1 2006-11-30 Jan Hubicka <jh@suse.cz>
3 * tree-ssa-operands.h (struct ssa_operands): New.
4 * tree-flow-inline.h (gimple_ssa_operands): New function.
5 * tree-flow.h: (struct gimple_df): Add ssa_operands.
6 * Makefile.in: Remove gt-tree-ssa-operands.h
7 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
8 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
9 operand_memory, operand_memory_index, ops_active): Remove statics.
10 (ALLOC_OPTYPE): Update.
11 (operand_build_sort_virtual): Update.
12 (ssa_operands_active): Update.
13 (init_ssa_operands): Update.
14 (fini_ssa_operands): Update.
15 (ssa_operand_alloc): Update.
16 (INITIALIZE_USE): Update.
17 (finalize_ssa_use_ops): Update.
18 (finalize_ssa_v_may_def_ops): Update.
19 (finalize_ssa_vuse_ops): Update.
20 (finalize_ssa_v_must_def_ops): Update.
22 2006-11-30 Richard Guenther <rguenther@suse.de>
24 * tree-vectorizer.h (vectorizable_function): Export.
25 * tree-vect-transform.c (vectorizable_function): Likewise.
26 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
27 type_in to scalar type in recognition of squaring.
28 Make sure the target can vectorize sqrt in recognition
29 of sqrt, set type_in to vector type in this case.
31 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
33 * config/i386/i386.md (R10_REG): New constant.
34 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
35 (ix86_emit_restore_regs_using_mov): Ditto.
36 (ix86_expand_call): Ditto.
37 (x86_output_mi_thunk): Ditto. Also use R10_REG.
39 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
41 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
42 * alias.c (canon_true_dependence): Update comment.
44 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
46 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
47 at the end of a diagnostics message.
49 * alloc-pool.c (pool_free): Postpone clearing the pool entry
50 until after asserting that it was allocated in the right pool.
52 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
53 successor edge information as well. Make output of live regs
54 on exit consistent with live regs on entry.
56 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
59 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
60 insn patterns for TARGET_80387.
61 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
62 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
63 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
64 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
65 Generate truncxf<mode>2 insn patterns for strict SSE math.
67 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
69 * config/i386/i386.md (movsf_1): Enable pattern for standard
70 80387 constants before reload when optimizing for size.
71 (*movdf_nointeger, *movdf_integer): Ditto.
72 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
73 80387 constants before reload when not optimizing for size.
75 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
76 extension of XFmode input operands.
78 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
80 * config/spu/crt0.c (__dso_handle): Define.
82 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
84 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
85 when clearing the used flags.
87 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
89 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
91 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
94 * config/spu/spu.md (extend_compare<mode>): New pattern.
95 (extend_compare): Change to expand and use the above pattern.
97 2006-11-29 Janis Johnson <janis187@us.ibm.com>
99 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
101 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
102 (DFP_INIT_ROUNDMODE): Define.
103 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
104 * mklibgcc.in: Fix dependencies for dfp-bit.c.
106 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
108 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
109 Update documentation.
110 (associate_line_notes_with_blocks): Kill.
111 (extend_bb): Remove basic block argument, put void instead.
112 Remove line number handling for each bb.
113 (save_line_notes): Kill.
114 (restore_line_notes): Kill.
115 (sched_init): Remove line_note_head initialization.
116 Change extend_bb call.
117 (sched_finish): Remove free of line_note_head.
118 (add_block): Change extend_bb call.
119 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
120 rm_line_notes and restore_line_notes calls.
121 (schedule_ebbs): Remove rm_redundant_line_notes.
122 * sched-int.h (struct haifa_insn_data): Remove line_note.
123 (save_line_notes): Remove declaration.
124 (restore_line_notes): Remove declaration.
125 * modulo-sched.c (loop_canon_p): Update debug info printing
126 by using insn locators instead of line note.
127 (sms_schedule): Update debug info printing, by using insn
128 locators instead of line note.
129 * sched-rgn.c (debug_dependencies): Remove handling of case
130 n>0 (line number), since it's a dead code.
131 (schedule_region): Remove save_line_notes and
132 restore_line_notes calls.
134 2006-11-29 Joseph Myers <joseph@codesourcery.com>
136 * config/rs6000/predicates.md (gpc_reg_operand): Check
138 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
139 SImode subregs of SPE vectors.
140 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
141 * jump.c (true_regnum): Require subregs to satisfy
142 subreg_offset_representable_p.
144 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
145 Steven Bosscher <stevenb.gcc@gmail.com>
147 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
148 since it no longer exists.
150 2006-11-29 Duncan Sands <baldrick@free.fr>
152 PR tree-optimization/23744
153 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
155 2006-11-29 Duncan Sands <baldrick@free.fr>
157 PR tree-optimization/23744
158 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
160 2006-11-29 Duncan Sands <baldrick@free.fr>
162 PR tree-optimization/23744
163 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
165 2006-11-29 Jie Zhang <jie.zhang@analog.com>
167 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
169 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
171 * sh.opt (minline-ic_invalidate): New option.
172 (musermode): Adjust comment.
173 * sh.c (sh_initialize_trampoline): Emit library call unless
174 is set; if it is set, don't emit library call if we can use icbi
176 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
177 icbi for TARGET_SH4_300.
178 * t-sh (LIB1ASMFUNCS_CACHE): Set.
179 * doc/invoke.texi: Document -minline-ic_invalidate; Update
180 -musermode documentation.
182 2006-11-29 Jim Tison <jtison@us.ibm.com>
184 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
185 __gthread_recursive_mutex_init): Define.
187 2006-11-29 Joseph Myers <joseph@codesourcery.com>
189 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
190 STRICT_ALIGNMENT and the type is more aligned than the saved
191 registers, copy via a temporary.
193 2006-11-28 Andrew Pinski <pinskia@gmail.com>
196 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
199 2006-11-28 Bob Wilson <bob.wilson@acm.org>
201 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
203 2006-11-28 Jan Hubicka <jh@suse.cz>
205 Privatize SSA variables into gimple_df.
207 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
208 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
209 gimple_nonlocal_all): New accessors.
210 (first_referenced_var): Update.
211 (mark_stmt_modified): Update.
212 (is_call_clobbered): Update.
213 (mark_call_clobbered): Update.
214 (clear_call_clobbered): Update.
215 (mark_non_addressable): Update.
216 * tree-vrp.c (get_value_range): Update.
217 * tree-into-ssa.c (in_ssa_p): Kill.
218 (get_default_def_for): Update.
219 (rewrite_into_ssa): Update.
220 * tree-complex.c (init_parameter_lattice_values): Update.
221 (update_complex_assignment): Update.
222 (update_parameter_components): Update.
223 (expand_complex_libcall): Update.
224 (expand_complex_operations_1): Update.
225 * tree-tailcall.c (arg_needs_copy_p): Update.
226 (add_virtual_phis): Update.
227 (tree_optimize_tail_calls_1): Update.
228 * tree-ssa-dse.c (memory_ssa_name_same): Update.
229 * tree-ssa-copyrename.c
230 (copy_rename_partition_coalesce): Update.
231 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
232 * tree-ssa-propagate.c (set_rhs): Update.
233 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
234 addressable_vars, global_var):Kill.
235 (set_initial_properties): Update.
236 (init_alias_info): Update.
237 (finalize_ref_all_pointers): Update.
238 (setup_pointers_and_addressables): Update.
239 (maybe_create_global_var): Update.
240 (create_global_var): Update.
241 (dump_points_to_info): Update.
242 * function.h (struct gimple_df): Forward declare.
243 (struct function): Add GIMPLE_DF field.
244 * gimplify.c (force_gimple_operand): Update.
245 * tree-dfa.c (referenced_vars, default_defs): KIll.
246 (make_rename_temp): Update.
247 (dump_variable): Update.
248 (referenced_var_lookup): Update.
249 (referenced_var_check_and_insert): Update.
250 (default_def): Rename to ...
251 (gimple_default_def): ... this one; accept cfun argument.
252 (set_default_def): Update.
253 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
254 (cleanup_control_flow): Update.
255 * tree-ssa-pre.c (compute_avail): Update
256 * tree-ssa-live.c (calculate_live_on_entry): Update.
257 * tree-ssa.c (verify_use): Update.
258 (verify_call_clobbering): Update.
259 (verify_call_clobbering): Update.
260 (init_tree_ssa): Update.
261 (delete_tree_ssa): Update.
262 * tree-outof-ssa.c (coalesce_ssa_name): Update.
263 (rewrite_out_of_ssa): Update.
264 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
265 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
267 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
268 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
269 addressable_vars, aliases_computed_p): Kill.
270 (default_def): Rename to...
271 (gimple_default_def): ... this one.
272 (defaule_def_fn): Kill.
273 (num_referenced_vars, ssa_names, num_ssa_names): Update.
274 * tree-ssa-structalias.c (nonlocal_all): Kill.
275 (get_constraint_exp_from_ssa_var): Update.
276 (create_nonlocal_var): Update.
277 (get_constraint_for): Update.
278 (update_alias_info): Update.
279 (find_global_initializers): Update.
280 (intra_create_variable_infos): Update.
281 (intra_create_variable_infos):
282 (find_what_p_points_to): Update.
283 (init_alias_heapvars): Update.
284 * tree-cfg.c (remove_bb): Update.
285 (gimplify_val): Update.
286 * tree-ssa-reassoc.c (get_rank): Update.
287 (init_reassoc): Update.
288 * tree-ssanames.c: Do not include gt-tree-ssanames.h
289 (ssa_names, free_ssanames): Kill.
290 (init_ssanames): Update.
291 (make_ssa_name): Update.
292 (release_ssa_name): Update.
293 (release_defs): Update.
294 (replace_ssa_name_symbol): Update.
295 * tree-ssa-operands.c (access_can_touch_variable): Update.
296 (add_virtual_operand): Update.
297 (add_call_clobber_ops): Update.
298 (add_call_read_ops): Update.
299 (get_call_expr_operands): Update.
300 (get_asm_expr_operands): Update.
302 2006-11-28 Jan Hubicka <jh@suse.cz>
304 * builtins.c: Include tree-flow.h.
305 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
306 assignment; convert memmove to memcpy for sizes greater than 1 where
307 alignment of operands prohibit the partial overlap.
309 2006-11-28 Jan Hubicka <jh@suse.cz>
311 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
312 * cgraph.c (dump_cgraph_node): Dump stack usage.
313 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
314 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
315 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
316 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
317 (cgraph_check_inline_limits): Limit stack growth.
318 * cfgexpand.c: Include tree-inline.h.
319 (account_stack_vars): New function.
320 (expand_one_var): New param to just account the stack; return estimated
322 (expand_used_vars_for_block): Update call of expand_one_var.
323 (account_used_vars_for_block): New function.
324 (estimated_stack_frame_size): Likewise.
325 (init_vars_expansion, fini_vars_expansion): Break out from..
326 (expand_used_vars): ... here.
327 * tree-inline.h (estimated_stack_frame_size): Declare.
328 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
330 2006-11-28 Richard Guenther <rguenther@suse.de>
332 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
333 unsigned long for printing OBJECT_SIZE.
335 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
337 * alias.c (init_alias_analysis): Remove simplification loop
338 after propagating pointers.
340 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
342 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
345 2006-11-27 Bob Wilson <bob.wilson@acm.org>
347 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
349 2006-11-27 Roger Sayle <roger@eyesopen.com>
350 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
352 * c-common.c (constant_fits_type_p): Delete.
353 (unsigned_conversion_warning): Delete.
354 (conversion_warning): Integrate Wconversion warning from
355 unsigned_conversion_warning.
356 (convert_and_check): Integrate Woverflow warning from
357 unsigned_conversion_warning. Reorganize and simplify to avoid
358 dependence upon the middle-end setting TREE_OVERFLOW on integral
359 conversions, by using int_fits_type_p directly.
361 2006-11-27 Tobias Burnus <burnus@net-b.de>
363 * doc/invoke.texi: Fixed typo.
365 2006-11-27 Michael Matz <matz@suse.de>
366 Andreas Krebbel <krebbel1@de.ibm.com>
369 * config/s390/predicates.md (larl_operand): Check addend of larl
370 operand to be in range of -/+2GB.
371 * config/s390/s390.c (legitimize_pic_address): Likewise.
372 Changed type of variable even to HOST_WIDE_INT.
374 2006-11-27 Jan Hubicka <jh@suse.cz>
376 * expr.c (emit_block_move_via_libcall): Export.
377 (clear_storage_via_libcall): Rename to ...
378 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
379 (clear_storage): Update to set_storage_via_libcall.
380 * expr.h (emit_block_move_via_libcall): Declare
381 * config/i386/i386.h (stringop_alg): New enum.
382 (MAX_STRINGOP_ALGS): New constant.
383 (stringop_algs): New struct.
384 (processor_costs): Add memcpy/memset descriptors.
385 (TARGET_REP_MOVEL_OPTIMAL): Remove.
386 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
387 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
389 * config/i386/i386.opt (minline-stringops-dynamically,
390 mstringop-strategy): New
392 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
393 (ix86_expand-clrmem): Rename to ...
394 (ix86_expand_setmem): ... this one; update prototype.
395 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
396 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
397 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
398 nocona_cost, core2_cost, generic_cost, generic64_cost,
399 generic32_cost): Add memcpy/memset descriptors.
400 (x86_rep_movl_optimal): Remove.
401 (stringop_alg): New static variable.
402 (ix86_expand_aligntest): Handle predictions.
403 (override_options): Add strgop_alg handling.
404 (predict_jump): New function.
405 (scale_counter): New function.
406 (expand_set_or_movmem_via_loop): New function.
407 (expand_movmem_via_rep_mov): New function.
408 (expand_setmem_via_rep_stots): New function.
409 (emit_strmov): New function.
410 (expand_movmem_epilogue): New function.
411 (expand_setmem_epilogue_via_loop): New function.
412 (expand_setmem_epilogue): New function.
413 (expand_movmem_prologue): New function.
414 (expand_setmem_prologue): New function.
415 (decide_alg): New function.
416 (decide_alignment): New function.
417 (ix86_exand_movmem): Rewrite.
418 (promote_duplicated_reg): New function.
419 (ix86_expand_clrmem): Rename to ...
420 (ix86_expand_setmem): ... this one. Rewrite.
422 * invoke.texi (minline-stringops-dynamically): New command line option.
423 (mstringop-strategy): Likewise.
425 2006-11-27 Jan Hubicka <jh@suse.cz>
427 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
428 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
429 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
430 * insn-notes.def (FUNCTION_END): Remove.
431 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
432 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
434 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
435 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
436 * cfglayout.c (duplicate_insn_chain): Don't worry about
439 2006-11-27 Richard Guenther <rguenther@suse.de>
440 Zdenek Dvorak <dvorakz@suse.cz>
442 * target.h (struct gcc_target): Add builtin_vectorized_function
444 * target-def.h (TARGET_VECTORIZE): Likewise.
445 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
446 Document new target hook.
447 * targhooks.h (default_builtin_vectorized_function): Declare.
448 * targhooks.c (default_builtin_vectorized_function): Define.
449 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
450 (vectorizable_call): Declare.
451 * tree-vect-analyze.c (vect_analyze_operations): Call
453 * tree-vect-transform.c (vectorizable_function): New static function.
454 (build_vectorized_function_call): Likewise.
455 (vectorizable_call): New function.
456 (vect_transform_stmt): Handle vectorizable calls.
458 2006-11-27 Richard Guenther <rguenther@suse.de>
461 * builtins.c (expand_builtin_pow): Optimize non integer valued
462 constant exponents using sqrt or cbrt if possible. Always fall back
463 to expanding via optabs.
465 2006-11-27 Ira Rosen <irar@il.ibm.com>
467 PR tree-optimization/22372
468 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
469 the type of the base address.
470 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
471 it in the data-ref pointer creation.
472 (vect_init_vector): Add an argument, type of the init vector. Use it in
474 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
475 (get_initial_def_for_reduction): Likewise.
476 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
478 (vectorizable_assignment, vect_permute_store_chain): Likewise.
479 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
480 correct type in stmt creation.
481 (vect_setup_realignment): Use the correct type in stmt creation.
482 (vect_permute_load_chain): Change type of MODIFY_EXPR to
484 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
485 of MODIFY_EXPR to void_type_node.
486 (vectorizable_condition): Change type of MODIFY_EXPR to
488 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
491 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
494 2006-05-08 Uros Bizjak <uros@kss-loka.si>
495 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
496 standard 80387 constants, raise the cost to prevent
497 compress_float_constant() to generate load from memory.
499 * config/i386/i386.md: Add new splitter pattern to split
500 float_extended load of constant from constant pool into
503 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
505 * doc/install.texi: Move GMP/MPFR configure options from Fortran
506 section to general section. Remove documentation for
507 --with-mpfr-dir and --with-gmp-dir, add documentation for
508 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
511 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
513 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
515 * testsuite/gcc.dg/ipa/ipa-6.c: New.
517 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
519 PR tree-optimization/29122
520 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
521 for the new version. Assign NULL to DECL_RTL of the new version.
523 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
525 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
527 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
529 * cse.c (cse_altered): Remove.
530 (record_jump_equiv): Make true/false argument a bool instead
532 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
533 where appropriate. Emit a new jump before the existing one
534 instead of after so that delete_insn_and_edges removes the
535 dead edges properly. Check any_condjump_p before calling
537 (cse_basic_block): Check any_condjump_p before calling
539 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
541 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
543 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
544 -ffixed-line-length-* options.
546 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
548 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
549 (fprem1xf4): Rename to fprem1xf4_i387.
551 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
552 Rename patterns to fmod<mode>3. Use general_operand operand
553 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
554 patterns for SSE math.
555 (remaindersf3, remainderdf3): Ditto.
557 2006-11-25 Joseph Myers <joseph@codesourcery.com>
559 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
560 inside start_sequence / end_sequence pair.
562 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
564 * jump.c (mark_all_labels): Work in cfglayout mode.
565 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
566 when in cfglayout mode, because there are no dead jumptables
568 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
570 (commit_edge_insertions): Do not allow insertion of instructions
571 with control flow insns when in cfglayout mode.
573 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
575 * tree-vrp.c (execute_vrp): Do not pass loops structure through
577 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
578 unswitch_loop): Ditto.
579 * tree-loop-linear.c (linear_transform_loops): Ditto.
580 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
581 tree_ssa_lim): Ditto.
582 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
583 free_numbers_of_iterations_estimates): Ditto.
584 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
585 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
586 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
587 remove_path, add_loop, loopify, unloop, fix_loop_placements,
588 place_new_loop, duplicate_loop, duplicate_subloops,
589 update_single_exit_for_duplicated_loops, copy_loops_to,
590 duplicate_loop_to_header_edge, create_preheaders,
591 force_single_succ_latches, loop_version, fix_loop_structure):
593 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
594 tree_unroll_loop): Ditto.
595 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
596 * tree-scalar-evolution.c (select_loops_exit_conditions,
597 scev_initialize, scev_analysis): Ditto.
598 * tree-scalar-evolution.h (scev_initialize): Ditto.
599 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
600 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
601 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
602 * modulo-sched.c (sms_schedule): Ditto.
603 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
604 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
605 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
606 * ifcvt.c (if_convert): Ditto.
607 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
608 canonicalize_loop_induction_variables,
609 canonicalize_induction_variables,
610 tree_unroll_loops_completely, remove_empty_loops): Ditto.
611 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
612 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
613 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
614 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
615 tree_ssa_loop_done): Ditto.
616 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
617 estimate_bb_frequencies): Ditto.
618 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
619 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
620 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
621 decide_unrolling_and_peeling, peel_loop_completely,
622 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
623 peel_loop_simple, unroll_loop_stupid): Ditto.
624 * loop-doloop.c (doloop_optimize_loops): Ditto.
625 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
626 * loop-invariant.c (move_loop_invariants): Ditto.
627 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
628 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
629 tree_ssa_prefetch_arrays): Ditto.
630 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
632 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
633 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
634 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
635 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
636 verify_loop_structure): Ditto.
637 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
638 canonicalize_induction_variables, tree_unroll_loops_completely,
639 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
640 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
641 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
642 tree_unroll_loop, linear_transform_loops): Declaration changed.
643 * basic-block.h: Remove declaration of struct loops.
644 * cfghooks.h (struct cfg_hooks): Change type of
645 cfg_hook_duplicate_loop_to_header_edge.
646 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
647 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
648 vect_transform_loop): Declaration changed.
649 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
650 * cfgloop.h (flow_loops_dump, fix_loop_structure,
651 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
652 cancel_loop_tree, create_preheaders, force_single_succ_latches,
653 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
654 loopify, loop_version, remove_path, unswitch_loops,
655 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
658 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
660 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
661 (X87MODEF): New mode macro.
662 (ssemodefsuffix): New mode attribute.
663 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
664 (sqrt_extend<mode>xf2_i387): New insn pattern.
665 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
666 insn and truncate result back to original mode using
667 UNSPEC_TRUNC_NOOP truncation.
668 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
669 ssemodefsuffix mode attribute.
670 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
671 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
672 (*sqrtextenddfxf2_i387): Remove insn patterns.
674 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
677 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
679 2006-11-24 Jakub Jelinek <jakub@redhat.com>
682 * c-tree.h (c_maybe_initialize_eh): New prototype.
683 * c-decl.c (finish_decl): Move EH initialization...
684 (c_maybe_initialize_eh): ... here. New function.
685 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
686 if not #pragma omp atomic.
689 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
690 or UNION_TYPE inner types.
692 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
695 * ipa-pure-const.c (check_tree): If the original tree
696 is volatile return early and say the function is not pure
697 nor const. Remove the volatile check for writes.
698 (analyze_function): Print out the result of the local
701 2006-11-24 Joseph Myers <joseph@codesourcery.com>
703 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
705 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
706 * config/rs6000/rs6000.c (rs6000_override_options): Use
707 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
710 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
712 * config/s390.c (s390_emit_compare_and_swap): New function.
713 (s390_expand_cs_hqi, s390_expand_atomic): Call
714 s390_emit_compare_and_swap.
716 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
718 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
720 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
724 * c-common.c (conversion_warning): New.
725 (convert_and_check): Call conversion_warning unless there is an
727 * doc/invoke.texi (-Wconversion): Update description.
729 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
731 * tree-ssa-alias.c (tree_pointer_compare): New function.
732 (compact_name_tags): New function.
733 (group_aliases): Call compact_name_tags.
735 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
737 * real.h (real_isinteger): Declare.
738 * real.c (real_isinteger): Define.
739 * builtins.c (integer_valued_real_p): Use it.
741 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
744 * c.opt (Wtraditional-conversion): New.
745 (Wconversion): Update description.
746 * c-typeck.c (convert_arguments): Warnings for prototypes causing
747 type conversions different from what would happen in the absence
748 of prototype are now handled by Wtraditional-conversion.
749 * doc/invoke.texi (Wtraditional-conversion): New.
750 (Wconversion): Update description.
751 * doc/trouble.texi (Wconversion): Replace Wconversion by
752 Wtraditional-conversion.
754 2006-11-23 Andrew Pinski <pinskia@gmail.com>
756 * predict.c (tree_estimate_probability): Check to make
757 sure current_loops is non null before calling flow_loops_dump.
759 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
761 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
763 2006-11-23 David Ung <davidu@mips.com>
765 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
767 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
768 (ASM_SPEC): Pass along -mfp32 and -mfp64.
769 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
770 high part of FP register when in 64-bit FP register mode. Similarly
771 use gen_mfhc1 to load high part of FP register.
772 (override_options): Allow -mgp32 and -mfp64 combination if
773 ISA_HAS_MXHC1 (currently for O32 only).
774 (mips_cannot_change_mode_class): If floating-point registers are
775 bigger than word size. disallow conversion of float register from a
776 large integer mode to a float mode smaller than the float register
778 (mips_class_max_nregs): Handle float registers case seperately.
779 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
781 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
782 (movdf_hardfloat_32bit): Similarly.
783 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
784 support a full 64-bit fpu.
785 (mthc1): New pattern to generate MTHC1 instruction.
786 (mfhc1): New pattern to generate MFHC1 instruction.
787 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
788 option for the MIPS32R2 and mention its use under O32 ABI.
790 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
792 * var-tracking.c (emit_note_insn_var_location): Take care not to
793 cause verify_flow_info failures.
795 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
797 * tree-ssa-structalias.c: Remove edge weights in favor of just
798 processing them as complex constraints.
799 (struct constraint_graph): Remove weighted succs and preds. Rename
800 nonweighted succs and preds.
801 (constraint_edge): Removed.
802 (constraint_edge_t): Ditto.
803 (constraint_edge_pool): Ditto.
804 (new_constraint_edge): Ditto.
805 (constraint_edge_equal): Ditto.
806 (constraint_edge_less): Ditto.
807 (constraint_edge_vec_find): Ditto.
808 (erase_self_graph_edge): Ditto.
809 (add_graph_edge): Removed.
810 (get_graph_weights): Ditto.
811 (allocate_graph_weights): Ditto.
812 (valid_weighted_graph_edge): Ditto
813 (bitmap_other_than_zero_bit_set): Ditto.
814 (int_add_graph_edge): Renamed to add_graph_edge.
815 (clear_edges_for_node): Remove support for weighted edges.
816 (merge_graph_nodes): Ditto.
817 (valid_graph_edge): Ditto.
818 (build_constraint_graph): Ditto.
820 (collapse_nodes): Ditto.
821 (process_unification_queue): Ditto.
823 (do_ds_constraint): Ditto.
824 (perform_var_subsitution): Ditto.
825 (solve_graph): Ditto.
826 (init_alias_vars): Ditto.
827 (delete_points_to_sets): Ditto.
828 (do_complex_constraint): Support offsetted copies here.
830 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
832 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
834 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
836 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
839 2006-11-23 Ben Elliston <bje@au.ibm.com>
841 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
843 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
845 PR tree-optimization/29921
846 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
847 signed and unsigned zero equal.
849 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
851 * config/rs6000/rs6000.c (get_store_dest): New.
852 (adjacent_mem_locations): Use get_store_dest() to get
853 the rtl of the store destination.
855 2006-11-22 Joseph Myers <joseph@codesourcery.com>
857 * config/rs6000/spe.md (SPE64): New mode macro.
858 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
860 (mov_si<mode>_e500_subreg0_2): New.
861 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
863 (mov_si<mode>_e500_subreg4_2): New.
864 * config/rs6000/predicates.md (input_operand): Do not allow
865 invalid E500 subregs.
866 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
868 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
869 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
870 involving vector modes if TARGET_SPE.
872 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
875 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
876 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
878 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
880 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
881 mem_i_address_operand): New predicates.
882 * config/bfin/bfin.c (bfin_issue_rate): New function.
883 (TARGET_SCHED_ISSUE_RATE): New macro.
884 * config/bfin/bfin.md (addrtype): New attribute.
885 (slot0, slot1, slot2, store, pregs): New cpu_units.
886 (core): Now a define_reservation.
887 (alu): Remove some insn types from this reservation.
888 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
890 (dummy reservation): Don't trigger for mcld insns.
891 (absence_sets): Two new absence sets to enforce slot ordering.
892 (popsi_insn): Set addrtype.
894 2006-11-22 Ira Rosen <irar@il.ibm.com>
896 * doc/c-tree.texi: Document new tree codes.
897 * doc/md.texi: Document new optabs.
898 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
900 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
901 * optabs.h (optab_index): Add new.
902 (vec_extract_even_optab, vec_extract_odd_optab,
903 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
904 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
905 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
907 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
908 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
909 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
910 along with macros for their access.
911 * tree-data-ref.h (first_location_in_loop, data_reference): Update
913 * tree-vect-analyze.c (toplev.h): Include.
914 (vect_determine_vectorization_factor): Fix indentation.
915 (vect_insert_into_interleaving_chain,
916 vect_update_interleaving_chain, vect_equal_offsets): New functions.
917 (vect_analyze_data_ref_dependence): Add argument for interleaving
918 check. Check for interleaving if it's true.
919 (vect_check_dependences): New function.
920 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
921 every ddr. Call vect_analyze_data_ref_dependence with new argument.
922 (vect_update_misalignment_for_peel): Update for interleaving.
923 (vect_verify_datarefs_alignment): Check only first data-ref for
925 (vect_enhance_data_refs_alignment): Update for interleaving. Check
926 only first data-ref for interleaving.
927 (vect_analyze_data_ref_access): Check interleaving, update
929 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
930 with different parameters.
931 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
932 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
933 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
934 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
935 Update step in case of interleaving.
936 (vect_strided_store_supported, vect_permute_store_chain): New
938 (vectorizable_store): Handle strided stores.
939 (vect_strided_load_supported, vect_permute_load_chain,
940 vect_transform_strided_load): New functions.
941 (vectorizable_load): Handle strided loads.
942 (vect_transform_stmt): Add argument. Handle strided stores. Check
943 that vectorized stmt exists for patterns.
944 (vect_gen_niters_for_prolog_loop): Update calculation for
946 (vect_transform_loop): Remove stmt_vec_info for strided stores after
947 whole chain vectorization.
948 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
949 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
950 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
951 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
952 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
954 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
956 * cse.c (enum taken): Remove PATH_AROUND.
957 (addr_affects_sp_p, invalidate_skipped_set,
958 invalidate_skipped_block): Remove.
959 (cse_end_of_basic_block): Remove skip_blocks and related code.
960 (cse_main): Don't test for flag_cse_skip_blocks.
961 Update cse_end_of_basic_block call.
962 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
963 code to lengthen the path if a jump was simplified.
965 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
967 PR rtl-optimization/29924
968 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
969 (unroll_loop_runtime_iterations): Assert that the argument passed to
970 split_edge_and_insert is not NULL.
971 * loop-doloop.c (add_test): Ditto.
973 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
975 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
977 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
978 * cfgloopmanip.c (update_single_exits_after_duplication,
979 update_single_exit_for_duplicated_loop, loop_version): Ditto.
980 * tree-scalar-evolution.c (get_loop_exit_condition,
981 get_exit_conditions_rec, loop_closed_phi_def,
982 number_of_iterations_in_loop, scev_const_prop): Ditto.
983 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
984 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
986 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
988 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
989 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
990 slpeel_make_loop_iterate_ntimes,
991 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
992 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
994 * tree-if-conv.c (if_convertible_loop_p): Ditto.
995 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
996 vect_analyze_loop_form): Ditto.
997 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
998 can_convert_to_perfect_nest, perfect_nestify): Ditto.
999 * tree-vect-transform.c (vect_create_epilog_for_reduction,
1000 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
1001 vect_transform_loop): Ditto.
1002 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
1003 (single_exit, set_single_exit): New functions.
1004 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
1005 (single_exit, set_single_exit): Declare.
1006 * doc/loop.texi: Undocument single_exit field. Document single_exit
1009 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1011 PR tree-optimization/29902
1012 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
1013 any involved ssa name appears in abnormal phi node.
1015 2006-11-21 Bob Wilson <bob.wilson@acm.org>
1017 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
1018 (xtensa_const_ok_for_letter_p): Delete.
1019 (xtensa_extra_constraint): Delete.
1020 (override_options): Delete xtensa_char_to_class initialization.
1021 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
1022 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1023 (EXTRA_CONSTRAINT): Delete.
1024 * config/xtensa/xtensa.md: Include constraints.md.
1025 (call_internal): Combine alternatives.
1026 (call_value_internal): Likewise, and remove invalid constraints.
1027 * config/xtensa/constraints.md: New file.
1028 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
1029 (xtensa_extra_constraint): Delete.
1030 * doc/md.texi (Machine Constraints): Refer to constraints.md for
1033 2006-11-21 Janis Johnson <janis187@us.ibm.com>
1035 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
1036 of conversion that doesn't fit.
1038 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
1039 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
1040 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
1042 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
1044 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
1046 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
1048 2006-11-21 Richard Guenther <rguenther@suse.de>
1050 * tree-vectorizer.h (NUM_PATTERNS): Increase.
1051 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
1052 vect_recog_pow_pattern.
1053 (vect_recog_pow_pattern): New function.
1055 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
1057 * config/bfin/bfin.opt (mstack-check-l1): New.
1058 * doc/invoke.texi (Blackfin Options): Document it.
1059 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
1060 stack bounds in L1 memory if the new option is enabled.
1061 (override_options): Don't allow combinations of -fstack-limit and
1063 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
1066 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
1068 (bfin_register_move_cost): Bump costs if trying to move plain
1069 integer values through accumulators.
1071 2006-11-21 Ben Elliston <bje@au.ibm.com>
1073 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
1075 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
1076 Russell Olsen <Russell_Olsen@playstation.sony.com>
1077 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
1078 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
1079 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
1080 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
1081 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1083 * config.gcc: Add target for SPU.
1084 * config/spu/constraints.md: New file.
1085 * config/spu/crt0.c: New file.
1086 * config/spu/crtend.c: New file.
1087 * config/spu/crti.asm: New file.
1088 * config/spu/crtn.asm: New file.
1089 * config/spu/float_unsdidf.c: New file.
1090 * config/spu/float_unssidf.c: New file.
1091 * config/spu/predicates.md: New file.
1092 * config/spu/spu-builtins.def: New file.
1093 * config/spu/spu-builtins.h: New file.
1094 * config/spu/spu-builtins.md: New file.
1095 * config/spu/spu-c.c: New file.
1096 * config/spu/spu-elf.h: New file.
1097 * config/spu/spu-modes.def: New file.
1098 * config/spu/spu-protos.h: New file.
1099 * config/spu/spu.c: New file.
1100 * config/spu/spu.h: New file.
1101 * config/spu/spu.md: New file.
1102 * config/spu/spu.opt: New file.
1103 * config/spu/spu_internals.h: New file.
1104 * config/spu/spu_intrinsics.h: New file.
1105 * config/spu/spu_mfcio.h: New file.
1106 * config/spu/t-spu-elf: New file.
1107 * config/spu/vec_types.h: New file.
1108 * config/spu/vmx2spu.h: New file.
1109 * doc/contrib.texi: Document SPU contributor.
1110 * doc/extend.texi: Document SPU extensions.
1111 * doc/invoke.texi: Document SPU options.
1112 * doc/md.texi: Document SPU constraints.
1114 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1116 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
1118 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
1120 (flow_loop_dump): Do not dump loop level.
1121 (flow_loops_find): Do not call flow_loops_level_compute.
1122 * cfgloop.h (struct loop): Remove level field.
1124 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1126 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
1127 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
1128 Use vector of edges instead of array.
1129 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
1130 estimate_numbers_of_iterations_loop): Ditto.
1131 * predict.c (predict_loops): Ditto.
1132 * loop-unroll.c (analyze_insns_in_loop): Ditto.
1133 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
1135 * basic-block.h: Declare heap allocation for edge vectors.
1136 * tree-outof-ssa.c: Ditto.
1137 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
1138 * cfgloop.h (get_loop_exit_edges): Declaration changed.
1140 2006-11-20 Zack Weinberg <zackw@panix.com>
1142 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
1143 Add another out parameter, "skip".
1144 (set_gc_used_type): Adjust calls to process_gc_options. If a field
1145 is tagged "skip", do not mark its type used.
1147 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1150 * tree-sra.c (single_scalar_field_in_record_p): New function.
1151 (decide_block_copy): Use it.
1153 2006-11-20 David Daney <ddaney@avtrex.com>
1155 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
1156 PC to point to following instruction.
1158 2006-11-20 Anatoly Sokolov <aesok@post.ru>
1162 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
1164 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
1166 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
1168 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1169 Add sh/superh.h to tm_file.
1171 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
1172 Mark Mitchell <mark@codesourcery.com>
1174 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
1176 (cpp_relocated): New function.
1177 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
1179 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
1180 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
1181 replace configured prefix with gcc_exec_prefix.
1183 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
1185 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
1186 bfin_legitimate_constant_p.
1187 * config/bfin/bfin.md (movsi expander): Check return value of
1189 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
1190 (expand_move): Adjust prototype.
1191 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
1192 invalid constants specially.
1193 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
1195 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
1197 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
1198 sibcall_value_symbol): Allow these patterns if
1199 TARGET_LEAF_ID_SHARED_LIBRARY.
1200 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
1201 (override_options): Turn on id shared library flags if -msep-data,
1202 but disallow the combination of these options on the command line.
1203 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
1204 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
1205 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
1206 -mid-shared-library.
1207 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
1208 * doc/invoke.texi (Blackfin Options): Document new switches.
1210 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
1211 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
1213 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
1214 inflate costs for addresses with an out-of-bounds address.
1216 2006-11-19 Andrew Pinski <pinskia@gmail.com>
1219 * fwprop.c (loops): Remove.
1220 (forward_propagate_into): Use current_loops instead of
1222 (fwprop_init): Call loop_optimizer_init instead of
1224 (fwprop_done): Call loop_optimizer_finalize instead of
1226 (fwprop): Use current_loops instead of loops.
1228 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
1231 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
1233 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1236 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
1237 larger than BITS_PER_WORD.
1239 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1243 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
1244 to MAX_FIXED_MODE_SIZE.
1246 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1248 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
1249 (fold_builtin_fmin_fmax): New.
1250 (fold_builtin_1): Use it.
1252 * fold-const.c (fold_strip_sign_ops): Handle copysign.
1254 2006-11-18 Richard Guenther <rguenther@suse.de>
1256 * config/i386/i386.c (ix86_builtins): New array for ix86
1257 builtin function decls.
1258 (def_builtin): New function.
1259 (def_builtin_const): Likewise.
1260 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
1262 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
1264 * doc/invoke.texi (core2): Add item.
1266 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
1268 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
1269 (TARGET_CPU_DEFAULT_generic): Change value.
1270 (TARGET_CPU_DEFAULT_NAMES): Add core2.
1271 (processor_type): Add new constant PROCESSOR_CORE2.
1273 * config/i386/i386.md (cpu): Add core2.
1275 * config/i386/i386.c (core2_cost): New initialized variable.
1276 (m_CORE2): New macro.
1277 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
1278 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
1279 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1280 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1281 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1282 x86_accumulate_outgoing_args, x86_prologue_using_move,
1283 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1284 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
1285 x86_use_incdec, x86_four_jump_limit, x86_schedule,
1286 x86_pad_returns): Add m_CORE2.
1287 (override_options): Add entries for Core2.
1288 (ix86_issue_rate): Add case for Core2.
1290 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
1292 * doc/invoke.texi: Fix mno-isel typo.
1294 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1296 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
1297 easy vector constant loads.
1299 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1301 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
1302 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1303 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
1304 * config/rs6000/sync.md (lwsync): Emit plain sync if
1307 2006-11-17 DJ Delorie <dj@redhat.com>
1309 * reload1.c (reloads_unique_chain): New.
1310 (reloads_conflict): Call it.
1312 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1314 * config/xtensa/predicates.md (addsubx_operand): New.
1315 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
1316 (xtensa_emit_bit_branch): New.
1317 (xtensa_emit_movcc): New.
1318 * config/xtensa/xtensa.md (any_minmax): New code macro.
1319 (minmax): New code attribute.
1320 (any_cond, any_scc, any_scc_sf): New code macros.
1321 (*addx2, *addx4, *addx8): Delete.
1323 (*subx2, *subx4, *subx8): Delete.
1325 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
1326 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
1327 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
1328 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
1329 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
1330 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
1331 (movsfcc_internal0, movsfcc_internal1): Likewise.
1332 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
1333 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
1334 (xtensa_emit_bit_branch): New.
1335 (xtensa_emit_movcc): New.
1336 (function_arg_boundary): Add missing prototype.
1338 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1340 * config/xtensa/xtensa.md (tstsi): Delete
1342 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1344 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
1346 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1348 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1350 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1352 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
1354 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1356 * tree-vrp.c (execute_vrp): Do not update current_loops.
1357 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
1358 * doc/loop.texi: Remove documentation for cancelled functions.
1359 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
1360 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
1362 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
1363 (remove_path): Ensure that in delete_basic_blocks, the loops
1364 are still allocated.
1365 (add_loop): Work on valid loop structures.
1366 (loopify): Modify call of add_loop.
1367 (mfb_update_loops): Removed.
1368 (create_preheader): Do not update loops explicitly.
1369 (force_single_succ_latches, loop_version): Do not use
1370 loop_split_edge_with.
1371 (loop_split_edge_with): Removed.
1372 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
1373 Do not use bsi_insert_on_edge_immediate_loop.
1374 (split_loop_exit_edge, tree_unroll_loop): Do not use
1375 loop_split_edge_with.
1376 (bsi_insert_on_edge_immediate_loop): Removed.
1377 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
1378 use loop_split_edge_with.
1379 * cfghooks.c: Include cfgloop.h.
1380 (verify_flow_info): Verify that loop_father is filled iff current_loops
1382 (redirect_edge_and_branch_force, split_block, delete_basic_block,
1383 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
1385 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
1387 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
1388 loop_split_edge_with.
1389 (sms_schedule): Use current_loops.
1390 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
1391 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
1393 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
1394 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
1395 * ifcvt.c (if_convert): Ditto.
1396 * predict.c (predict_loops): Do not clear current_loops.
1397 (tree_estimate_probability): Use current_loops.
1398 (propagate_freq): Receive head of the region to propagate instead of
1400 (estimate_loops_at_level): Do not use shared to_visit bitmap.
1401 (estimate_loops): New function. Handle case current_loops == NULL.
1402 (estimate_bb_frequencies): Do not allocate tovisit. Use
1404 * tree-ssa-loop.c (current_loops): Removed.
1405 (tree_loop_optimizer_init): Do not return loops.
1406 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
1407 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
1408 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
1409 Do not update loops explicitly.
1410 * function.h (struct function): Add x_current_loops field.
1411 (current_loops): New macro.
1412 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
1413 * loop-unroll.c (split_edge_and_insert): New function.
1414 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
1415 use loop_split_edge_with.
1416 * loop-doloop.c (add_test, doloop_modify): Ditto.
1417 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
1418 * cfglayout.c (copy_bbs): Do not update loops explicitly.
1419 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
1420 * tree-vect-transform.c (vect_transform_loop): Do not update loops
1422 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
1423 (flow_loops_free): Do not free dfs_order and rc_order.
1424 (flow_loops_find): Do not set dfs_order and rc_order in loops
1425 structure. Do not call loops and flow info verification.
1426 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
1427 already belongs to some loop.
1428 * cfgloop.h (struct loops): Remove struct cfg.
1429 (current_loops, loop_split_edge_with): Declaration removed.
1430 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
1431 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
1432 Declaration removed.
1433 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
1434 * basic-block.h (split_edge_and_insert): Declare.
1435 * tree-cfg.c (remove_bb): Do not update loops explicitly.
1437 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1439 PR tree-optimization/29801
1440 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
1441 (get_default_value): Use get_symbol_constant_value.
1442 (set_lattice_value): ICE when the value of the constant is
1444 (visit_assignment): Ignore VDEFs of read-only variables.
1446 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1448 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
1450 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1451 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
1453 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1455 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
1456 select subvars of var.
1458 2006-11-17 Jakub Jelinek <jakub@redhat.com>
1461 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
1462 optimize if DEF doesn't have integral type.
1464 2006-11-16 Mike Stump <mrs@apple.com>
1466 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
1467 pre-darwin9 system, unless the user asks for it directly.
1468 (PREFERRED_DEBUGGING_TYPE): Likewise.
1469 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
1470 * config.gcc: Add suppport for darwin9.h.
1471 * config/darwin9.h: Add.
1472 * doc/install.texi (Specific): Clarify darwin documentation.
1474 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1476 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
1477 optimizing for size.
1479 2006-11-16 Mike Stump <mrs@apple.com>
1481 * Makefile.in (targhooks.o): Add $(OPTABS_H).
1483 2006-11-16 Dirk Mueller <dmueller@suse.de>
1485 * tree-vrp.c (get_value_range): Use XCNEW instead
1487 (insert_range_assertions): Use XCNEWVEC instead
1488 of XNEWVEC and memset.
1489 (vrp_initialize): Same.
1490 (vrp_finalize): Same.
1491 * tree-ssa-ccp.c (ccp_initialize): Same.
1492 * predict.c (tree_bb_level_predictions): Same.
1493 * calls.c (expand_call): Same.
1494 * tree-ssa-copy.c (init_copy_prop): Same.
1495 (fini_copy_prop): Same.
1496 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
1497 of GGC_NEW and memset.
1499 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
1502 * gimplify.c (gimplify_expr): Only force a load for references to
1503 non-BLKmode volatile values.
1504 * doc/implement-c.texi (Qualifiers implementation): Document the
1505 interpretation of what a volatile access is.
1506 * doc/extend.texi (C++ Extensions): Rework same documentation.
1508 2006-11-16 Joseph Myers <joseph@codesourcery.com>
1510 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
1513 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1515 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
1517 (arm_neg_abssi2): Renamed from neg_abssi2.
1518 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
1520 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
1522 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
1523 number of arguments passed to local functions in SSE registers is 3.
1525 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
1526 number of arguments passed in SSE registers to 3.
1528 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1531 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
1533 (get_last_bb_insn): ... new global function.
1534 (basic_block.h): Declare it.
1535 * haifa-sched.c (create_recovery_block): Use it.
1537 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
1540 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
1542 2006-11-15 Paul Brook <paul@codesourcery.com>
1544 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
1545 _Unwind_GetTextRelBase): Move from here ...
1546 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
1547 _Unwind_GetTextRelBase): ... To here.
1549 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1551 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
1552 addresses we generate for testing are aligned.
1554 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
1557 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
1558 to what is the const decl is a place holder for.
1560 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1562 * config/i386/i386.opt: New target option -mx87regparm.
1564 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
1565 and float_in_x87 variables. mmx_words, sse_words: Remove.
1566 (X87_REGPARM_MAX): Define.
1568 * config/i386/i386.c (override_options): Error out for
1569 -mx87regparm but no 80387 support.
1570 (ix86_attribute_table): Add x87regparm.
1571 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1572 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1573 (ix86_function_x87regparm): New function.
1574 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1576 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1578 (function_arg_advance): Process x87_nregs and x87_regno when
1579 floating point argument is to be passed in 80387 register.
1580 (function_arg): Pass XFmode arguments in 80387 registers for local
1581 functions. Pass SFmode and DFmode arguments to local functions
1582 in 80387 registers when flag_unsafe_math_optimizations is set.
1584 * reg-stack.c (convert_regs_entry): Disable NaN load for
1585 stack registers that are used for argument passing.
1587 * doc/extend.texi: Document x87regparm function attribute.
1588 * doc/invoke.texi: Document -mx87regparm.
1590 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1592 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
1593 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
1594 arg MODE; all callers changed. Use it to determine validity per
1595 machine mode instead of using Pmode for all memory references.
1596 (get_address_cost): Likewise add and use new arg MEM_MODE.
1598 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
1599 J"orn Rennecke <joern.rennecke@st.com>
1601 * combine.c (likely_spilled_retval_1): Fix masking operation.
1602 (likely_spilled_retval_p): Use proper pattern for call to
1603 likely_spilled_retval_1.
1605 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1607 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
1609 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
1610 that tests for CONSTANT_POOL_ADDRESS_P.
1612 2006-11-15 Jakub Jelinek <jakub@redhat.com>
1614 PR tree-optimization/29581
1615 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
1616 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
1617 type is different between Y and USE, create a temporary
1618 variable, initialize it at the beginning of the body bb
1619 and use it as replacement instead of Y.
1621 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
1624 * gimplify.c (fold_indirect_ref_rhs): Use
1625 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
1627 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
1629 * expmed.c (emit_store_flag_1): New function.
1630 (emit_store_flag): Call it. If we can't find a suitable scc insn,
1632 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
1633 Use do_compare_rtx_and_jump.
1634 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
1635 * arm.md (cstoresi4): New define_expand.
1636 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
1637 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
1638 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
1640 2006-11-14 Caroline Tice <ctice@apple.com>
1642 * dwarf2out.c (debug_pubtypes_section): New static global variable.
1643 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
1645 (pubname_table): Redefine as a vector.
1646 (pubtype_table): New static global variable, defined as a vector.
1647 (pubname_table_allocated): Remove static global variable.
1648 (pubname_table_in_use): Remove static global variable.
1649 (PUBNAME_TABLE_INCREMENT): Remove constant.
1650 (size_of_pubnames): Add parameter to deal with either pubnames or
1651 pubtypes, and change code to deal with table being a vector.
1652 (add_pubname): Change to deal with table being a vector.
1653 (add_pubtype): New function.
1654 (output_pubnames): Add parameter to deal with either pubnames or
1655 pubtypes, and change code to deal with table being a vector.
1656 (gen_array_type_die): Add call to add_pubtype.
1657 (gen_enumeration_type_die): Add call to add_pubtype.
1658 (gen_struct_or_union_type_die): Add call to add_pubtype.
1659 (gen_subroutine_type_die): Add call to add_pubtype.
1660 (gen_typedef_die): Add call to add_pubtype.
1661 (dwarf2out_init): Add code to initialize pubname_table and
1662 pubtype_table vectors; also initialize debug_pubtypes_section.
1663 (prune_unused_types): Change to deal with pubnames being a vector.
1664 (dwarf2out_finish): Change to deal with pubnames being a vector; add
1665 pubnames table to call to output_pubnames; Add code to output pubtypes
1666 table if DEBUG_PUBTYPES_SECTION is defined.
1667 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
1669 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
1671 2006-11-14 Joseph Myers <joseph@codesourcery.com>
1673 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
1674 iwmmxt_nregs if TARGET_IWMMXT_ABI.
1675 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
1676 movv2si_internal): Support moves between core registers.
1678 2006-11-14 Eric Christopher <echristo@apple.com>
1680 * configure: Regenerate with autoconf 2.59.
1682 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
1684 Fix PR tree-optimization/27755
1686 * tree-ssa-pre.c: Update comments.
1687 (bb_bitmap_sets): Add pa_in and deferred member.
1688 (BB_DEFERRED): New macro.
1689 (maximal_set): New variable.
1690 (pre_stats): Add pa_insert member.
1691 (bitmap_set_and): Short circuit orig == dest.
1692 (bitmap_set_subtract_values): New function.
1693 (bitmap_set_contains_expr): Ditto.
1694 (translate_vuses_through_block): Add phiblock argument.
1695 (dependent_clean): New function.
1696 (compute_antic_aux): Update for maximal_set changes.
1697 (compute_partial_antic_aux): New function.
1698 (compute_antic): Handle partial anticipation.
1699 (do_partial_partial_insertion): New function.
1700 (insert_aux): Handle partial anticipation.
1701 (add_to_sets): Add to maximal set.
1702 (compute_avail): Ditto.
1703 (init_pre): Initialize maximal_set.
1704 (execute_pre): Do partial anticipation if -O3+.
1706 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
1708 PR rtl-optimization/29798
1710 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
1711 TARGET_INSN before any other check.
1712 (fwprop_init): Always calculate dominators.
1713 (fwprop_done): Always free them.
1715 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1717 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
1720 2006-11-13 DJ Delorie <dj@redhat.com>
1722 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
1723 temporary for intermediates.
1725 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
1727 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
1728 (sh_optimize_target_register_callee_saved): #if 0 the code
1729 using NOTE_INSN_LOOP_{BEG,END}.
1731 2006-11-13 Roger Sayle <roger@eyesopen.com>
1733 * fold-const.c (optimize_bit_field_compare): Recursively call
1734 fold when simplifying non-constant comparisons between bit-fields.
1736 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1738 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
1740 * configure: Rebuilt.
1742 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
1744 * config/rs6000/cell.md: New file.
1745 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
1747 (ppccell_cost): New cost matrix.
1748 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
1749 (rs6000_override_options): Set rs6000_always_hint to false
1750 for cell. Also align functions/lables/loops to 8byte
1751 for the Cell. Use PROCESSOR_CELL.
1752 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
1753 using_mtcr_multiple.
1754 (rs6000_variable_issue): If the insn is a nonpipelined instruction
1755 on the Cell, return 0.
1756 (rs6000_adjust_cost): Add Cell cost adjustments.
1757 (is_microcoded_insn): Return true for Cell microcoded
1759 (is_nonpipeline_insn): New function.
1760 (rs6000_issue_rate): Add PROCESSOR_CELL.
1761 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
1763 (rs6000_use_sched_lookahead_guard): New function.
1764 (rs6000_sched_reorder): Reorder the ready list, if the second
1765 to last ready insn is a nonepipeline insn on the Cell.
1766 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
1767 (ASM_CPU_SPEC): Add Cell.
1768 * config/rs6000/rs6000.md (cpu): Add Cell.
1769 (cell_micro): New Attr.
1772 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1774 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
1776 * configure: Rebuilt.
1778 2006-11-13 Richard Guenther <rguenther@suse.de>
1780 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
1782 (ix86_expand_lfloorceil): Likewise.
1783 (ix86_expand_rint): Likewise.
1784 (ix86_expand_floorceildf_32): Likewise.
1785 (ix86_expand_floorceil): Likewise.
1786 (ix86_expand_rounddf_32): Likewise.
1787 (ix86_expand_truncdf_32): Likewise.
1788 (ix86_expand_round): Likewise.
1790 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
1791 Mark Mitchell <mark@codesourcery.com>
1793 * gcc.c: Organize search path variables into $prefix relative,
1794 and well-known native. Add comments.
1795 (add_sysrooted_prefix): Add comment.
1796 (process_command): If !gcc_exec_prefix add $prefix based paths.
1797 If *cross_compile == '0', add native well-known paths.
1798 Assert tooldir_base_prefix is always relative.
1799 (main): If print_search_dirs, and if gcc_exec_prefix is set,
1800 use this value for 'install:' path.
1801 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
1803 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1805 * config/i386/i386.c: Fix a typo in comment.
1807 2006-11-13 Michael Matz <matz@suse.de>
1809 * genemit.c (gen_expand): Allocate enough memory.
1811 2006-11-13 Joseph Myers <joseph@codesourcery.com>
1813 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
1814 __GXX_TYPEINFO_EQUALITY_INLINE but not
1815 __GXX_MERGED_TYPEINFO_NAMES.
1816 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
1817 __GXX_MERGED_TYPEINFO_NAMES.
1818 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
1819 __GXX_TYPEINFO_EQUALITY_INLINE.
1821 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1822 Zdenek Dvorak <dvorakz@suse.cz>
1824 PR tree-optimization/29680
1825 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
1828 2006-11-12 Jason Merrill <jason@redhat.com>
1829 Andrew Pinski <pinskia@physics.uc.edu>
1832 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
1834 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
1836 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
1837 * tree.c (build_vector): Handle non-_CST elements.
1839 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
1841 * genemit.c (gen_insn): Call gen_exp with a non-null used
1842 when handling multiple insns.
1843 (gen_expand): Likewise.
1844 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
1845 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
1846 (movsi_const_16bit+1): Copy operands[1].
1847 (call_pcrel): Copy the call_site pattern.
1848 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
1850 2006-11-12 Roger Sayle <roger@eyesopen.com>
1852 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
1853 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
1854 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
1855 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
1857 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
1859 Fix PR tree-optimization/29587
1860 * tree-ssa-structalias.c (process_constraint): Don't
1861 mark address taken due only to escaped vars constraint.
1863 2006-11-12 Michael Matz <matz@suse.de>
1864 Roger Sayle <roger@eyesopen.com>
1866 PR rtl-optimization/29797
1867 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
1868 BITS_BIG_ENDIAN targets.
1870 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1872 * builtins.c (fold_builtin_cosh): New.
1873 (fold_builtin_1): Use it.
1874 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
1875 trunc to the list of "odd" functions. Also add llrint, lrint,
1876 rint and nearbyint when flag_rounding_math is false.
1878 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1880 * tree-flow.h (name_mappings_registered_p): Declare.
1881 * tree-into-ssa.c (name_mappings_registered_p): New function.
1882 * tree-cfg.c (tree_can_merge_blocks_p): Check
1883 name_mappings_registered_p instead of need_ssa_update_p.
1885 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1887 * tree-ssa-loop.c (tree_vectorize): Return the result of
1889 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
1890 if anything changed.
1891 * tree-vectorizer.h (vectorize_loops): Declaration removed.
1892 * tree-flow.h (vectorize_loops): Declaration changed.
1894 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1896 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
1898 (issue_prefetch_ref): Move assignment to write_p out of loop.
1899 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
1900 SIMULTANEOUS_PREFETCHES into account.
1901 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
1902 * lambda-code.c (lcm): Renamed to ...
1903 (least_common_multiple): ... and exported.
1904 * tree-flow.h (least_common_multiple): Declare.
1906 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1908 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
1909 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
1910 ud-chains. Handle AND_EXPR.
1911 (record_estimate): Record whether the estimate is realistic
1912 and whether it is derived from a loop exit.
1913 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
1914 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
1916 (compute_estimated_nb_iterations): Take only realistic bounds into
1917 account. Set estimate_state. Use double_ints.
1918 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
1919 and infer_loop_bounds_from_signedness. Do not consider basic blocks
1920 that do not have to be always executed.
1921 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
1922 to determine whether to call infer_loop_bounds_from_undefined
1923 and compute_estimated_nb_iterations.
1924 (n_of_executions_at_most): Use double_ints.
1925 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
1926 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
1927 * double-int.c (double_int_to_tree): Improve comment.
1928 (double_int_fits_to_tree_p): New function.
1929 * double-int.h (double_int_fits_to_tree_p): Declare.
1930 * tree-data-ref.c: Include langhooks.h.
1931 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
1932 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
1933 (analyze_array): Do not pass estimate_only argument to
1934 analyze_array_indexes.
1935 (get_number_of_iters_for_loop): Build tree from the stored double_int
1937 (get_references_in_stmt, find_data_references_in_stmt): New functions.
1938 (find_data_references_in_loop): Use find_data_references_in_stmt.
1939 * tree-data-ref.h (struct data_ref_loc_d): New.
1940 (get_references_in_stmt): Declare.
1941 (estimate_iters_using_array): Declaration removed.
1942 * cfgloop.h (struct nb_iter_bound): Change type of bound to
1943 double_int. Improve comments. Add is_exit and realistic
1945 (struct loop): Changed type of estimated_nb_iterations to double_int.
1946 Added estimate_state field.
1947 (record_estimate): Declaration removed.
1949 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1951 * params.c (set_param_value): Initialize the "set" field.
1952 * params.h (struct param_info): Add "set" field.
1953 (PARAM_SET_P): New macro.
1954 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
1955 L1_CACHE_LINE_SIZE): New macros.
1956 * toplev.c (DEFPARAM): Initialize the "set" field.
1957 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
1958 SIMULTANEOUS_PREFETCHES): Removed.
1959 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
1960 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
1961 * config/sparc/sparc.c: Include params.h.
1962 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
1963 L1_CACHE_LINE_SIZE parameters.
1964 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1966 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1968 * config/i386/i386.c: Include params.h.
1969 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
1970 (override_options): Set SIMULTANEOUS_PREFETCHES and
1971 L1_CACHE_LINE_SIZE parameters.
1972 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
1973 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
1974 L1_CACHE_LINE_SIZE parameters.
1975 * config/ia64/ia64.c (ia64_optimization_options): Set
1976 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
1977 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
1979 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
1980 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
1981 * doc/invoke.texi: Document new params.
1983 2006-11-12 Roger Sayle <roger@eyesopen.com>
1985 PR tree-optimization/13827
1986 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
1989 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1991 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
1992 update_single_exit_for_duplicated_loops): New functions.
1993 (duplicate_loop_to_header_edge): Use
1994 update_single_exit_for_duplicated_loops.
1995 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
1996 functions only with ENABLE_CHECKING.
1998 2006-11-12 Andreas Schwab <schwab@suse.de>
2000 * except.c (sjlj_emit_function_enter): Remove unused variable.
2002 2006-11-11 Roger Sayle <roger@eyesopen.com>
2004 * fold-const.c (int_binop_types_match_p): New function.
2005 (size_binop): Relax constraint that both arguments must both have
2006 exactly the same sizetype type. Instead use int_binop_types_match_p.
2007 (size_diffop): Likewise.
2009 (make_range): Use build_int_cst instead of fold_convert.
2010 (fold_cond_expr_with_comparison): Use build_int_cst to construct
2011 integer constants of the correct type.
2012 (fold_div_compare): Likewise.
2013 (fold_single_bit_test): Likewise.
2014 (fold_binary): Likewise.
2015 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
2016 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
2018 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
2021 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
2022 non null value if the struct memory access is in the 0th
2025 2006-11-12 Jie Zhang <jie.zhang@analog.com>
2028 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2029 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
2032 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
2033 instead of builtin_define for bfin and BFIN.
2035 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2037 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
2040 2006-11-11 Jan Hubicka <jh@suse.cz>
2042 * extend.texi (__builtin_expect): We no longer require second argument
2044 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
2045 * builtins.c (expand_builtin_expect): Simplify.
2046 (expand_builtin_expect_jump): Kill.
2047 * final.c (final_scan_insn): Do not skip the removed notes.
2048 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
2049 EXPECTED_VALUE): Remove.
2050 * dojump.c (do_jump): Do not care about __builtin_expect.
2051 * predict.c (expected_value_to_br_prob): Kill.
2052 * function.c (expand_function_end): Do not expand
2053 NOTE_INSN_REPEATED_LINE_NUMBER.
2054 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
2055 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
2056 * cfgexpand.c (add_reg_br_prob_note): Export.
2057 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2058 expected_value_to_br_prob.
2059 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
2060 * rtl.h (add_reg_br_prob_note): Declare.
2062 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2064 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
2066 2006-11-11 Jan Hubicka <jh@suse.cz>
2068 * predict.c (predict_loops): Kill RTL variant.
2070 2006-11-11 Jan Hubicka <jh@suse.cz>
2072 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
2073 * modulo-sched.c (find_line_note): Remove.
2074 (loop_canon_p): Do not worry about line number notes.
2075 (sms_schedule): Likewise.
2076 * cse.c (cse_main): Likewise.
2077 * regmove.c (fixup_match_1): Likewise
2078 * function.c (emit_return_info_block): Likewise.
2079 (expand_function_end): Likewise.
2080 (thread_prologue_an_epilogue_insns): Likewise.
2081 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
2083 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
2084 emit_note_copy_after): Kill.
2085 (emit_note_copy): Do not worry about line numbers.
2086 * jump.c (purge_line_number_notes): Kill.
2087 (pass_purge_lineno_notes): Kill.
2088 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
2090 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
2091 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
2092 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
2093 * tree-pass.h (pass_purge_lineno_notes): Kill.
2094 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
2095 rm_redundant_line_notes.
2096 * sched-rgb.c (schedule_region): Don't rm_line_notes,
2097 rm_redundant_line_notes.
2098 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
2099 * haifa-sched.c: Update comment about handling notes.
2100 (unlink_line_notes): Kill.
2101 (rm_line_notes): Kill.
2102 (save_line_notes): Simplify.
2103 (rm_redundant_line_notes): Kill.
2105 2006-11-11 Richard Guenther <rguenther@suse.de>
2107 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
2108 Remove unused tree codes.
2109 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
2110 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
2111 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2112 * tree.c (stabilize_reference): Likewise.
2113 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
2114 fold_unary): Likewise.
2115 * tree-gimple.c (is_gimple_cast): Likewise.
2116 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
2117 * expr.c (expand_expr_real_1): Likewise.
2118 * tree-eh.c (tree_could_trap_p): Likewise.
2119 * gimplify.c (gimplify_expr): Likewise.
2120 * tree-inline.c (estimate_num_insns_1): Likewise.
2121 * tree-cfg.c (verify_expr): Likewise.
2123 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
2125 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
2126 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
2127 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
2129 2006-11-11 Richard Sandiford <richard@codesourcery.com>
2132 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
2133 constraints accept neither registers or memories.
2135 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2137 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
2138 (NO_PROFILE_COUNTERS): Define as 1.
2140 2006-11-10 Roger Sayle <roger@eyesopen.com>
2142 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
2143 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
2145 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
2147 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
2149 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2151 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
2152 (fold_builtin_hypot): Likewise.
2153 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
2155 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
2157 2006-11-10 Roger Sayle <roger@eyesopen.com>
2159 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
2160 when attempting to build INTEGER_CSTs of non-integral types.
2161 * expmed.c (make_tree): Use the correct type, i.e. the inner
2162 type, when constructing the individual elements of a CONST_VECTOR.
2164 2006-11-10 Jan Hubicka <jh@suse.cz>
2166 * cse.c (cse_process_notes): Copy the propagated value.
2167 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
2169 * gcse.c (try_replace_reg): Copy the replacement.
2170 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
2171 (assign_386_stack_local): Always return copied memory expression
2172 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
2175 2006-11-10 Jan Hubicka <jh@suse.cz>
2177 * final.c (final): Walk from first instruction.
2178 * cfglayout.c (insn_locators_initialize): Remove line number notes.
2180 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
2183 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
2185 (umulv8hi3_highpart): Ditto.
2186 (vec_widen_smult_hi_v8hi): New expander.
2187 (vec_widen_smult_lo_v8hi): Ditto.
2189 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2192 * builtins.c (do_mpfr_arg3): New.
2193 (fold_builtin_1): Handle builtins fma, fmin and fmax.
2195 2006-11-09 Eric Christopher <echristo@apple.com>
2200 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
2201 * config.gcc (powerpc64-*-darwin*): New target.
2202 * config.host: Ditto.
2203 * config/rs6000/darwin64.h: New file.
2204 * config/rs6000/x-darwin64: Ditto.
2205 * config/rs6000/host-ppc64-darwin.c: Ditto.
2207 2006-11-09 Steve Ellcey <sje@cup.hp.com>
2209 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
2210 routines for integer division.
2212 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
2214 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
2216 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
2219 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
2221 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
2223 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
2224 simplify_subreg with BLKmode outer mode.
2226 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
2228 * doc/invoke.texi: Minor formatting fixes in option lists.
2230 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
2232 PR tree-optimization/29738
2233 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
2234 (ccp_lattice_t): Remove UNKNOWN_VAL.
2235 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
2236 Do not handle UNKNOWN_VAL.
2237 (get_default_value): Set initial value of virtual operands to
2239 (get_value): Always use get_default_value on uninitialized
2241 (set_value_varying, surely_varying_stmt_p): New functions.
2242 (set_lattice_value): Do not pass argument to get_value.
2243 Do not handle UNKNOWN_VAL.
2244 (likely_value): Follow the semantics described in the comment.
2245 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
2246 phi nodes DONT_SIMULATE_AGAIN.
2247 (ccp_fold): Do not pass argument to get_value.
2248 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
2251 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
2253 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2254 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
2256 2006-11-08 Roger Sayle <roger@eyesopen.com>
2258 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
2259 test for inclusion rather than as a test for exclusion.
2260 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
2261 the condition after calling fold_binary.
2262 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
2263 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
2264 * builtins.c (fold_builtin_isascii): Likewise.
2265 (fold_builtin_isdigit): Likewise.
2267 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
2269 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
2270 * configure: Regenerate.
2272 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2274 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
2275 enum argument instead of bool.
2276 (vect_analyze_operations): Call vectorizable_type_promotion.
2277 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
2278 stmt_vec_info_type value.
2279 (supportable_widening_operation, vectorizable_type_promotion): New
2280 function declarations.
2281 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
2282 (vectorizable_type_promotion): New function.
2283 (vect_transform_stmt): Call vectorizable_type_promotion.
2284 * tree-vect-analyze.c (supportable_widening_operation): New function.
2285 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
2287 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2290 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
2291 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
2292 * tree-inline.c (estimate_num_insns_1): Add cases for above new
2294 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2295 * expr.c (expand_expr_real_1): Likewise.
2296 * optabs.c (optab_for_tree_code): Likewise.
2297 (init_optabs): Initialize new optabs.
2298 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
2299 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
2300 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
2301 vec_unpacku_lo_optab): Initialize new optabs.
2302 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
2303 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
2304 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
2306 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
2307 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
2308 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
2309 (vec_unpacku_lo_optab): New optabs.
2310 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
2311 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
2312 (vec_widen_smult_hi, vec_widen_smult_lo): New.
2313 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
2314 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
2315 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
2317 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
2318 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
2319 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
2320 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
2321 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
2322 implement the unsigned unpacking patterns.
2323 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
2324 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
2325 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
2326 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
2327 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
2328 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
2329 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
2330 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
2331 multiplication patterns.
2333 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
2334 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
2335 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2336 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
2337 (rs6000_builtin_mul_widen_odd): New.
2338 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
2339 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
2340 * tree-vectorizer.h (enum vect_relevant): New enum type.
2341 (_stmt_vec_info): Field relevant chaned from bool to enum
2343 (STMT_VINFO_RELEVANT_P): Updated.
2344 (STMT_VINFO_RELEVANT): New.
2345 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
2346 instead of STMT_VINFO_RELEVANT_P.
2347 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
2348 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
2349 and boolean variable with enum vect_relevant.
2350 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
2351 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
2352 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2354 2006-11-08 Richard Henderson <rth@redhat.com>
2356 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
2357 vec_widen_umult_lo_v8hi): New.
2358 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
2359 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
2361 * config/i386/i386.c (ix86_expand_sse_unpack): New.
2362 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
2363 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
2364 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
2365 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
2366 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
2367 vec_unpacks_lo_v4si): New.
2369 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2371 * tree-vect-transform.c (vectorizable_type_demotion): New function.
2372 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
2373 (vect_analyze_operations): Call vectorizable_type_demotion.
2374 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
2375 stmt_vec_info_type value.
2376 (vectorizable_type_demotion): New function declaration.
2377 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2380 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
2381 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
2383 * tree-iniline.c (estimate_num_insns_1): Likewise.
2384 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2385 * optabs.c (optab_for_tree_code): Likewise.
2387 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
2388 compared against the predicate of the result is not 'mode' (the input
2389 to the function) but a mode with half the size of 'mode'.
2390 (init_optab): Initialize new optabs.
2391 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
2393 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
2395 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
2396 (vec_pack_usat_optab): Initialize new optabs.
2397 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
2398 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
2400 2006-11-08 Richard Henderson <rth@redehat.com>
2402 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
2403 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
2404 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
2405 (vec_interleave_highv4si, vec_interleave_lowv4si):
2406 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
2408 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2410 * tree-vect-transform.c (vectorizable_reduction): Support multiple
2412 (vect_transform_stmt): Removed redundant code.
2414 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2416 * tree-vect-transform.c (vectorizable_operation): Support multiple
2419 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2421 * tree-vect-transform.c (vect_align_data_ref): Removed.
2422 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
2423 Updated function documentation. Return the increment stmt in ptr_incr.
2424 (bump_vector_ptr): New function.
2425 (vect_get_vec_def_for_stmt_copy): New function.
2426 (vect_finish_stmt_generation): Create a stmt_info to newly created
2428 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
2430 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
2431 VF is greater than the number of elements that can fit in one vector
2433 (vectorizable_operation, vectorizable_condition): Likewise.
2434 (vectorizable_store, vectorizable_load): Support the case that the VF
2435 is greater than the number of elements that can fit in one vector word.
2436 (vect_transform_loop): Don't fail in case of multiple data-types.
2437 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
2438 in case of multiple data-types; the smallest type determines the VF.
2439 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
2440 if they are of different sizes.
2441 (vect_update_misalignment_for_peel): Compare misalignments in terms of
2442 number of elements rather than number of bytes.
2443 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
2444 (vect_can_advance_ivs_p): Fix a dump printout
2446 2006-11-07 Eric Christopher <echristo@apple.com>
2448 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
2449 (__bswapsi2): Ditto.
2450 * libgcc2.h: Remove transformation of bswap routines.
2451 * config/i386/i386.md (bswapsi2): New.
2454 2006-11-07 Jakub Jelinek <jakub@redhat.com>
2456 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
2457 (handle_gnu_inline_attribute): New function.
2458 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
2459 (merge_decls, start_decl, start_function): Likewise.
2460 * doc/extend.texi: Document gnu_inline attribute.
2462 2006-11-07 Steve Ellcey <sje@cup.hp.com>
2465 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
2466 _fixunstfdi, and _floatditf
2468 2006-11-06 Anatoly Sokolov <aesok@post.ru>
2470 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
2472 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
2473 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
2474 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
2475 which start in an odd register.
2477 2006-11-07 Richard Sandiford <richard@codesourcery.com>
2479 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
2481 2006-11-07 Josh Conner <jconner@apple.com>
2483 * doc/invoke.texi (fstrict-aliasing): Move implementation
2485 * doc/tree-ssa.texi (Alias analysis): ...here.
2487 2006-11-07 Richard Guenther <rguenther@suse.de>
2489 PR tree-optimization/29610
2490 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
2491 of tree_purge_dead_eh_edges as it may free dominators.
2493 * g++.dg/other/pr29610.C: New testcase.
2495 2006-11-07 David Ung <davidu@mips.com>
2497 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
2498 costs when optimizing for size.
2499 (override_options): Use mips_rtx_cost_optimize_size table for cost
2502 2006-11-07 Jie Zhang <jie.zhang@analog.com>
2504 * gcc.c (process_command): Treat -b as normal switch if its argument
2507 2006-11-07 David Ung <davidu@mips.com>
2509 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
2512 2006-11-06 Eric Christopher <echristo@apple.com>
2514 * config.gcc: Add x86_64-darwin host support.
2515 * config.host: Ditto.
2516 * config/i386/darwin64.h: New file.
2517 * config/i386/t-darwin64: Ditto.
2519 2006-11-06 Janis Johnson <janis187@us.ibm.com>
2521 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
2522 and output-exists-not.
2524 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2527 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
2528 checking for overflow.
2530 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
2532 * configure.ac: Fixed typo in case statement: :: changed to ;;
2534 2006-11-06 Bob Wilson <bob.wilson@acm.org>
2536 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
2537 count_leading_zeros, and count_trailing_zeros.
2538 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
2539 (TARGET_FOLD_BUILTIN): Define.
2540 (TARGET_EXPAND_BUILTIN): Define.
2541 (xtensa_init_builtins): New.
2542 (xtensa_fold_builtin): New.
2543 (xtensa_expand_builtin): New.
2544 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
2545 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
2546 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
2547 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
2548 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
2549 (any_extend): New code macro.
2550 (u, su): New code attributes.
2551 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
2552 (nsau): Remove; replaced by clzsi2.
2553 (ffssi2): Use clzsi2.
2554 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
2555 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
2556 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
2557 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
2558 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
2560 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
2562 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
2564 * config/arm/t-strongarm-elf: Likewise.
2565 * config/arm/t-pe: Likewise.
2566 * config/arm/t-arm-elf: Likewise.
2567 * config/arm/t-xscale-elf: Likewise.
2568 * config/arm/t-arm-coff: Likewise.
2569 * config/arm/t-xscale-coff: Likewise.
2570 * config/arm/t-wince-pe: Likewise.
2572 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
2574 * config/sh/lib1funcs-4-300.asm: Guard entire file with
2577 2006-11-05 Jakub Jelinek <jakub@redhat.com>
2580 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
2583 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2586 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
2587 as a valid 80387 constant.
2588 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
2589 * config/i386/i386.md (unnamed splitter): Split the load of
2590 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
2593 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
2595 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
2596 from the soft-frame, argument and virtual registers.
2598 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2600 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
2601 patterns for standard 80387 constants.
2603 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
2604 Steven Bosscher <steven@gcc.gnu.org>
2606 * fwprop.c: New file.
2607 * Makefile.in: Add fwprop.o.
2608 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
2609 * passes.c (init_optimization_passes): Schedule forward propagation.
2610 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
2612 * timevar.def (TV_FWPROP): New.
2613 * common.opt (-fforward-propagate): New.
2614 * opts.c (decode_options): Enable forward propagation at -O2.
2615 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
2616 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
2617 canon_for_address, table_size): Remove.
2618 (new_basic_block, insert, remove_from_table): Remove references to
2620 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
2621 simplification loop more straightforward by not calling fold_rtx
2623 (equiv_constant): Move here a small part of fold_rtx_subreg,
2624 do not call fold_rtx. Call avoid_constant_pool_reference
2626 * recog.h (canonicalize_change_group): New.
2628 * doc/invoke.texi (Optimization Options): Document fwprop.
2629 * doc/passes.texi (RTL passes): Document fwprop.
2631 2006-11-03 Geoffrey Keating <geoffk@apple.com>
2633 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
2634 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
2635 (grokdeclarator): Likewise.
2637 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
2639 * tree-dump.c (dump_enable_all): Rename local variable
2640 ir_type to avoid name conflicts.
2641 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
2642 instead of using ir_type().
2643 * profile.c (tree_register_profile_hooks): Likewise.
2644 * value-prof.c (tree_register_value_prof_hooks): Likewise.
2645 * basic-block.h (struct edge_def): Likewise.
2646 * config/arm/arm.c (legitimize_pic_address): Likewise.
2647 * coretypes.h (ir_type): New enum of all intermediate languages
2649 * cfghooks.c (ir_type): Rename to...
2650 (current_ir_type): ...this. Distinguish between cfgrtl and
2651 cfglayout mode when the current IR is RTL. Return enum ir_type.
2652 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
2654 2006-11-03 Paul Brook <paul@codesourcery.com>
2656 * config/arm/arm.c (arm_file_start): New function.
2657 (TARGET_ASM_FILE_START): Define.
2658 (arm_default_cpu): New variable.
2659 (arm_override_options): Set arm_default_cpu.
2661 2006-11-03 David Ung <davidu@mips.com>
2663 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
2664 PROCESSOR_24KC and PROCESSOR_24KF.
2665 * config/mips/mips.c (mips_cpu_info_table): Add processor names
2666 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
2667 (mips_rtx_cost_data): Add costs for the 24kc.
2668 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
2669 * config/mips/24k.md: Remove references to 24k and replace with
2670 uses of 24kc/24kf in the appropriate reservations.
2671 * doc/invoke.texi (MIPS Options): Updated.
2673 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2675 * config/sh/crt1.asm: Fix #ifdef indent.
2677 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2678 Merged from STMicroelectronics sources:
2679 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
2680 * config/sh/crt1.asm (vbr_600): Add missing #if.
2681 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
2682 * sh.opt (mfused-madd): New option.
2683 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
2684 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2685 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
2686 Remove pointless handler at VBR+0.
2687 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
2688 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
2689 fr7. Make sure the timer handler is called with the correct FPU
2690 precision setting, according to the ABI.
2691 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
2692 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
2693 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
2694 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
2695 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
2696 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
2697 zero as second operand.
2698 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
2699 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2700 Fixed some bugs related to negative values, in particular -0
2701 and overflow at -0x80000000.
2702 * config/sh/divcost-analysis: Added sh4-300 figures.
2703 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
2704 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
2705 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
2706 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
2707 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
2708 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2710 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
2712 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
2713 SH4-300 scheduling description & fixes to SH4-[12]00 description:
2714 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
2715 mac_mem, mem_mac, dfp_mul, fp_cmp.
2716 (insn_class, dfp_comp, any_fp_comp): Update.
2717 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
2718 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
2719 (muldf3_i): Likewise.
2720 (movsi_i): Split rI08 alternative into two separate alternatives.
2722 (movsi_ie, movsi_i_lowpart): Likewise.
2723 (movqi_i): Split ri alternative into two separate alternatives.
2725 * sh1.md (sh1_load_store, sh1_fp): Update.
2726 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
2727 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
2728 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
2729 (sh4a_fp_double_arith): Likewise.
2730 * sh4-300.md: New file.
2731 * sh.c (sh_handle_option): Handle m4-300* options.
2732 (sh_adjust_cost): Fix latency of auto-increments.
2733 Handle SH4-300 differently than other SH4s. Check for new insn types.
2734 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
2735 been set by an option.
2736 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
2737 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
2738 (mbranch-cost=): Likewise.
2739 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
2741 * sh.md (mulsf3): Remove special expansion code.
2742 (mulsf3_ie): Now a define_insn_and_split.
2743 (macsf3): Allow for TARGET_SH4.
2745 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
2746 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
2747 (expand_cbranchdi4): Likewise.
2748 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
2749 CONST_DOUBLE if the outer code is COMPARE.
2750 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
2751 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
2752 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
2753 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
2754 Remove redundant fp_{zero,one}_operand checks.
2755 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
2756 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
2757 (expand_cbranchdi4): Likewise.
2758 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
2759 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
2761 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
2763 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
2766 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
2768 * doc/invoke.texi: Fix mfp-trap-mode typo.
2770 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
2772 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
2773 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
2774 file_end_indicate_exec_stack.
2775 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
2777 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
2778 for a non-executable stack.
2779 * crti.asm: Likewise.
2780 * crtn.asm: Likewise.
2781 * libunwind.S: Likewise.
2783 2006-11-02 Ben Elliston <bje@au.ibm.com>
2785 * tree-ssa.c (warn_uninit): Use expand_location variables for
2786 locus and declaration locus.
2788 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
2791 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
2792 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
2793 cmp{eq,gt,gtu}{si,di}_media.
2794 (*cmpne0si_media): Remove.
2795 (*movsicc_umin): Adjust gen_cmp*_media call.
2796 (unordered): Change the mode of unordered and operands[1] to
2798 (seq): Adjust gen_cmp*_media calls. Make the mode of
2799 a temporary result of compare SImode if needed. If the mode
2800 of operands[0] is DImode, extend the temporary result to DImode.
2801 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
2802 (sunorderd): Change the mode of match_operand and unorderd to
2804 (cmpeq{sf,df}_media): Remove.
2805 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
2806 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
2807 and compare operation to SImode.
2809 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
2811 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
2813 (sparc64-sun-solaris2*): Likewise.
2815 2006-11-02 Paul Brook <paul@codesourcery.com>
2817 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
2818 from priority argument. Use different section for non-default
2820 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
2822 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
2825 * except.c (switch_to_exception_section): Do not cache the section
2826 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2827 and flag_function_sections is set.
2829 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2832 * builtins.c (do_mpfr_sincos): New.
2833 (fold_builtin_1): Use it to fold builtin sincos.
2835 2006-11-01 Roger Sayle <roger@eyesopen.com>
2837 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
2838 it into -D_REENTRANT.
2840 2006-11-01 Roger Sayle <roger@eyesopen.com>
2842 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
2843 whether the assembler supports taking the difference of symbols in
2844 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
2845 * configure: Regenerate.
2846 * config.in: Regenerate.
2847 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
2848 the assembler doesn't support taking the difference of symbols in
2849 different sections, i.e. we're using the native solaris assembler.
2851 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
2852 Peter Bergner <bergner@vnet.ibm.com>
2854 * doc/invoke.texi: Add cpu_type power6x
2855 (RS/6000 and PowerPC Options): Add -mmfpgpr.
2856 * config.gcc: Add cpu_type power6x.
2857 * configure.ac: Add test for mf{t,f}gpr instructions.
2858 (HAVE_AS_MFPGPR): New.
2859 * config.in: Regenerate.
2860 * configure: Regenerate.
2861 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
2862 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
2863 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
2864 and mftgpr attributes.
2865 (define_attr "cpu"): Add power6.
2866 Change instruction sequences to use new attributes.
2867 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
2868 (fix_truncdfsi2_mfpgpr): New.
2869 (floatsidf_ppc64_mfpgpr): New.
2870 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
2871 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
2872 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
2873 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
2874 (fix_truncdfsi2): Use gpc_reg_operand constraint.
2875 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
2876 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
2877 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
2878 cntlz,exts and var_delayed_compare.
2879 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2880 _ARCH_PWR6X, if features enabled.
2881 * config/rs6000/rs6000.opt (mmfpgpr): New.
2882 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
2883 (cached_can_issue_more): New variable.
2884 (processor_costs): Add power6_cost.
2885 (rs6000_sched_init): New function.
2886 (is_dispatch_slot_restricted): Deleted.
2887 (set_to_load_agen): New function.
2888 (is_load_insn,is_store_insn): New functions.
2889 (adjacent_mem_locations): New function.
2890 (insn_must_be_first_in_group): New function.
2891 (insn_must_be_last_in_group): New function.
2892 (rs6000_sched_reorder): New function.
2893 (rs6000_sched_reorder2): New function.
2894 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
2895 TARGET_SCHED_REORDER2): Define.
2896 (processor_target_table): Use PROCESSOR_POWER6 for power6.
2897 Add power6x. Add MASK_MFPGPR for power6x.
2898 (POWERPC_MASKS): Add MASK_MFPGPR.
2899 (rs6000_override_options): Set rs6000_always_hint to false
2900 for power6. Set rs6000_align_branch_targets. Replace
2901 rs6000_sched_groups check with rs6000_align_branch_targets.
2902 Use PROCESSOR_POWER6.
2903 (last_scheduled_insn): New variable.
2904 (load_store_pendulum): New variable.
2905 (rs6000_variable_issue): Set last_scheduled_insn and
2906 cached_can_issue_more.
2907 (rs6000_adjust_cost): Add power6 cost adjustments.
2908 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
2909 with insn_must_be_first_in_group. Add power6 priority adjustments.
2910 (rs6000_issue_rate): Add CPU_POWER6.
2911 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
2912 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
2913 (TARGET_MFPGPR): New.
2914 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
2915 (ASM_CPU_SPEC): Add power6x.
2916 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
2918 * config/rs6000/power6.md: New file.
2920 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
2922 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2923 HOST_WIDE_INT_PRINT to print high and low parts. Use
2924 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
2925 printing a hexadecimal number prefix it with 0x.
2927 2006-11-01 Chris Johns <chris@contemporary.net.au>
2930 * Makefile.in (install-driver): Use exeext when installing
2931 $target-gcc-$version.
2933 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
2935 * c-common.c (flag_cpp0x): New.
2936 * c-common.h (flag_cpp0x): New.
2937 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
2938 supported, define __GXX_EXPERIMENTAL_CPP0X__.
2939 * c-opts.c (set_std_cxx0x): New.
2940 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
2941 * c.opt (std=c++0x): Document.
2942 (std=gnu++0x): Ditto.
2943 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
2944 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
2946 2006-11-01 Richard Guenther <rguenther@suse.de>
2948 * config/i386/i386.c (ix86_expand_rint): Fix issues with
2950 (ix86_expand_floorceildf_32): Likewise.
2951 (ix86_expand_floorceil): Likewise.
2952 (ix86_expand_trunc): Likewise.
2954 2006-10-31 Andrew Pinski <pinskia@gmail.com>
2956 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
2959 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
2961 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
2963 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
2965 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
2967 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
2968 * configure.ac (use_cxa_atexit): As a special case, don't test
2969 for libc definition of __cxa_atexit on mingw32
2970 * configure: Regenerate.
2971 * config.gcc (i[34567]86-pc-mingw32): Default to
2972 enable__cxa_atexit=yes.
2974 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2976 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
2978 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2981 * c-decl.c (start_struct): Don't create self-containing
2983 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2985 * config/rs6000/rs6000-protos.h
2986 (darwin_rs6000_special_round_type_align): New.
2987 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
2988 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
2990 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2992 * toplev.c (compile_file): Call final_write_globals
2993 even if there have been errors.
2995 2006-10-31 Eric Christopher <echristo@apple.com>
2996 Falk Hueffner <falk@debian.org>
2998 * doc/extend.texi (__builtin_bswap32): Document.
2999 (__builtin_bswap64): Ditto.
3000 * doc/libgcc.texi (bswapsi2): Document.
3002 * doc/rtl.texi (bswap): Document.
3003 * optabs.c (expand_unop): Don't widen a bswap.
3004 (init_optabs): Init bswap. Set libfuncs explicitly
3005 for bswapsi2 and bswapdi2.
3006 * optabs.h (OTI_bswap): New.
3007 (bswap_optab): Ditto.
3008 * genopinit.c (optabs): Handle bswap_optab.
3009 * tree.h (tree_index): Add TI_UINT32_TYPE and
3011 (uint32_type_node): New.
3012 (uint64_type_node): Ditto.
3013 * tree.c (build_common_tree_nodes_2): Initialize
3014 uint32_type_node and uint64_type_node.
3015 * builtins.c (expand_builtin_bswap): New.
3016 (expand_builtin): Call.
3017 (fold_builtin_bswap): New.
3018 (fold_builtin_1): Call.
3019 * fold-const.c (tree_expr_nonnegative_p): Return true
3021 * builtin-types.def (BT_UINT32): New.
3023 (BT_FN_UINT32_UINT32): Ditto.
3024 (BT_FN_UINT64_UINT64): Ditto.
3025 * builtins.def (BUILT_IN_BSWAP32): New.
3026 (BUILT_IN_BSWAP64): Ditto.
3027 * rtl.def (BSWAP): New.
3028 * genattrtab.c (check_attr_value): New.
3029 * libgcc2.c (__bswapSI2): New.
3030 (__bswapDI2): Ditto.
3031 * libgcc2.h (__bswapSI2): Declare.
3032 (__bswapDI2): Ditto.
3033 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
3034 * simplify-rtx.c (simplify_const_unary_operation): Return
3036 * libgcc-std.ver (__bwapsi2): Add.
3037 (__bswapdi2): Ditto.
3038 * reload1.c (eliminate_regs_1): Add bswap.
3039 (elimination_effects): Ditto.
3040 * config/i386/i386.h (x86_bswap): New.
3041 (TARGET_BSWAP): Use.
3042 * config/i386/i386.c (x86_bswap): Set.
3044 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3046 * coverage.c (coverage_checksum_string): Update comment.
3047 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
3048 of get_file_function_name.
3049 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
3050 of get_file_function_name_long.
3051 * tree.c (get_file_function_name): Rename from
3052 get_file_function_name_long; improve comment; handle 'I' and 'D'
3053 specially when the target has ctor/dtor support; remove special
3055 (get_file_function_name): Remove.
3056 * tree.h (get_file_function_name): Rename from
3057 get_file_function_name_long.
3058 (get_file_function_name): Remove prototype.
3060 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3062 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
3063 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
3065 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
3066 Call dsymutil when compiling and linking one or more source files
3069 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3072 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
3074 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3076 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
3077 inline static functions in c99 mode.
3080 * doc/extend.texi (Inline): Update.
3081 * c-tree.h (struct language_function): Remove field 'extern_inline'.
3082 * c-decl.c (current_extern_inline): Delete.
3083 (pop_scope): Adjust test for an undefined nested function.
3084 Add warning about undeclared inline function.
3085 (diagnose_mismatched_decls): Update comments. Disallow overriding
3086 of inline functions in a translation unit in C99. Allow inline
3087 declarations in C99 at any time.
3088 (merge_decls): Boolize variables. Handle C99 'extern inline'
3090 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
3091 C99 inline semantics.
3092 (start_function): Don't clear current_extern_inline. Don't set
3094 (c_push_function_context): Don't push current_extern_inline.
3095 (c_pop_function_context): Don't restore current_extern_inline.
3098 * c-typeck.c (build_external_ref): Warn about static variables
3099 used in extern inline functions.
3100 * c-decl.c (start_decl): Warn about static variables declared
3101 in extern inline functions.
3103 2006-10-31 Roger Sayle <roger@eyesopen.com>
3106 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
3107 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
3108 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
3109 or y is an even integer.
3111 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
3114 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
3115 * gthr-posix95.h (__gthread_active_p): Likewise.
3117 2006-10-31 Richard Guenther <rguenther@suse.de>
3119 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
3120 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
3121 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
3122 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
3123 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
3124 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
3125 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
3126 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
3129 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
3131 * opts.c (decode_options): Disable CSE skip blocks.
3133 2006-10-30 Dirk Mueller <dmueller@suse.de>
3135 * c-common.h (strict_aliasing_warning): Fix whitespace.
3136 * c-decl (start_function): Move code for main decl warning ..
3137 * c-common.c (check_main_parameter_types): .. here.
3138 * c-common.h (check_main_parameter_types): Declare.
3140 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3143 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
3145 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
3147 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
3148 be a PARALLEL containing sets. Return false when out_pat is not
3151 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3153 * config/mips/mips.md (mul<mode>3): Split into...
3154 (mulsi3, muldi3): ...these separate patterns.
3156 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3158 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
3159 but with each set of options separated by spaces.
3161 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
3163 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
3164 dwarf_reg_size_table has been initialized.
3166 2006-10-30 Roger Sayle <roger@eyesopen.com>
3168 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
3169 * ddg.c (print_ddg_edge): Likewise.
3170 * dwarf2out.c (prune_unused_types_walk): Likewise.
3171 * ifcvt.c (noce_try_cmove_arith): Likewise.
3172 * langhooks.c (add_builtin_function): Likewise.
3173 * reg-stack.c (subst_stack_regs_pat): Likewise.
3174 * tree.c (expanded_location): Likewise.
3175 * tree-dump.c (dequeue_and_dump): Likewise.
3177 2006-10-30 David Daney <ddaney@avtrex.com>
3179 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
3181 2006-10-30 Jakub Jelinek <jakub@redhat.com>
3183 PR tree-optimization/29637
3184 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
3185 of the innertype is the innertype itself.
3187 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
3189 * dwarf2out.c (file_name_acquire): Correct typo.
3191 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
3193 * tree.h (tree_value_handle): Remove struct value_set declaration.
3194 Change value_set to bitmap_set.
3195 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
3196 * tree-vn.c (get_value_handle): Made inline and moved to
3198 * tree-flow-inline.h: (has_stmt_ann): New function.
3199 * tree-ssa-pre.c (expressions): New variable.
3200 (next_expression_id): Ditto.
3201 (alloc_expression_id): New function.
3202 (struct value_set): Remove.
3203 (get_expression_id): New function.
3204 (get_or_alloc_expression_id): Ditto.
3205 (expression_for_id): Ditto.
3206 (clear_expression_ids): Ditto.
3207 (FOR_EACH_EXPR_ID_IN_SET): New macro.
3208 (bb_value_sets): Renamed to bb_bitmap_sets.
3209 All value sets replaced with bitmap_sets.
3211 (BB_VISITED): New macro.
3212 (postorder): New variable.
3213 (add_to_value): Removed.
3214 (value_exists_in_set_bitmap): Ditto.
3215 (value_insert_into_set_bitmap): Ditto.
3218 (set_remove): Ditto.
3219 (set_contains_value): Ditto.
3220 (insert_into_set): Ditto.
3222 (find_leader): Ditto.
3223 (bitmap_set_subtract_from_value_set): Ditto.
3224 (value_insert_into_set): Ditto.
3225 (print_value_set): Ditto.
3226 (debug_value_set): Ditto.
3227 (constant_expr_p): New function.
3228 (bitmap_remove_from_set): Ditto.
3229 (bitmap_insert_into_set): Ditto.
3230 (bitmap_set_free): Ditto.
3231 (vh_compare): Ditto.
3232 (sorted_array_from_bitmap_set): Ditto.
3233 (bitmap_set_subtract): Ditto.
3234 (bitmap_set_equal): Ditto.
3235 (debug_bitmap_set): Ditto.
3236 (find_leader_in_sets): Ditto.
3237 (bitmap_set_replace_value): Modify for bitmapped sets.
3238 (phi_translate): Ditto.
3239 (phi_translate_set): Ditto.
3240 (bitmap_find_leader): Ditto.
3241 (valid_in_sets): Ditto.
3242 (union_contains_value): Ditto.
3244 (compute_antic_aux): Ditto. Mark changed blocks.
3245 (compute_antic): Ditto. Iterate in postorder and only over
3247 (compute_rvuse_and_antic_safe): Reuse postorder.
3248 (create_component_ref_by_pieces): Modify for bitmapped sets.
3249 (find_or_generate_expression): Ditto.
3250 (create_expression_by_pieces): Ditto.
3251 (insert_into_preds_of_block): Ditto.
3252 (changed_blocks): New variable.
3253 (do_regular_insertion): Broken out from insert_aux.
3254 (insert_aux): Modified for bitmapped sets.
3255 (find_existing_value_expr): New function.
3256 (create_value_expr_from): Use it.
3257 (insert_extra_phis): Removed.
3258 (print_bitmap_set): Renamed from bitmap_print_value_set.
3259 (compute_avail): Handle RETURN_EXPR.
3260 (init_pre): Modify for bitmapped sets.
3261 * tree-flow.h (has_stmt_ann): New function.
3263 2006-10-29 Roger Sayle <roger@eyesopen.com>
3265 * builtins.c (fold_builtin_floor): Check for the availability of
3266 the C99 trunc function before transforming floor into trunc.
3268 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3270 * builtins.c (fold_builtin_hypot): Rearrange recursive
3271 transformation before others, and also do ABS_EXPR. When
3272 necessary, check flag_unsafe_math_optimizations. When necessary,
3275 2006-10-29 Roger Sayle <roger@eyesopen.com>
3277 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
3278 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
3279 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
3280 Fold -X eq/ne -Y as X eq/ne Y.
3282 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3284 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
3285 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
3286 rather than GENERATE_MULT3_SI in the various define_peephole2s.
3287 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
3288 Use an inclusive test for "mult" rather than "mul".
3289 (rotr<mode>3): Depend on ISA_HAS_ROR.
3290 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
3292 (GENERATE_MULT3_DI): Delete.
3293 (ISA_HAS_64BIT_REGS): Use consistent formatting.
3294 (ISA_HAS_MUL3): New macro.
3295 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
3296 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
3297 (ISA_HAS_CLZ_CLO): Likewise.
3298 (ISA_HAS_DCLZ_DCLO): Delete.
3299 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
3300 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
3301 the VR4120 and VR4130.
3302 (ISA_HAS_MACCHI): Use consistent formatting.
3303 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
3304 (ISA_HAS_ROR): ...this new macro.
3305 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
3306 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
3307 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
3309 2006-10-29 Roger Sayle <roger@eyesopen.com>
3311 PR tree-optimization/15458
3312 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
3315 2006-10-29 Richard Guenther <rguenther@suse.de>
3317 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
3318 (ix86_expand_truncdf_32): Likewise.
3319 * config/i386/i386.c (ix86_expand_trunc): New function expanding
3320 trunc inline for SSE math and -fno-trapping-math and if not
3321 optimizing for size.
3322 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
3323 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
3324 for expanding btrunc inline for SSE math.
3326 2006-10-29 Joseph Myers <joseph@codesourcery.com>
3328 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
3329 Handle tuning for bi-arch i[34567]86-*-linux* like that for
3330 i[34567]86-*-solaris2.1[0-9]*.
3331 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
3332 Define conditionally depending on TARGET_64BIT_DEFAULT.
3333 (SPEC_32, SPEC_64): Define.
3334 (LINK_SPEC): Use them.
3335 * doc/install.texi (--enable-targets=all): Document for x86-linux.
3337 2006-10-29 Richard Guenther <rguenther@suse.de>
3339 * config/i386/i386-protos.h (ix86_expand_round): Declare.
3340 (ix86_expand_rounddf_32): Likewise.
3341 * config/i386/i386.c (ix86_expand_round): New function expanding
3342 round inline for SSE math and -fno-trapping-math and if not
3343 optimizing for size.
3344 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
3345 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
3346 round via ix86_expand_round.
3348 2006-10-29 Richard Guenther <rguenther@suse.de>
3350 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
3351 (ix86_expand_floorceildf_32): Likewise.
3352 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
3353 static helper function.
3354 (ix86_expand_floorceil): Expander for floor and ceil to SSE
3356 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
3357 * config/i386/i386.md (floordf2): Adjust to enable floor
3358 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
3359 -fno-trapping-math is enabled and if not optimizing for size.
3360 (floorsf2, ceildf2, ceilsf2): Likewise.
3361 * config/i386/sse.md (sse_maskcmpsf3): New insn.
3362 (sse2_maskcmpdf3): Likewise.
3364 2006-10-29 Richard Guenther <rguenther@suse.de>
3366 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
3367 rint in case -fno-trapping-math is enabled.
3368 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
3369 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
3370 (ix86_expand_sse_fabs): Likewise.
3371 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
3372 * config/i386/i386.md (rintdf2): Enable for SSE math if
3373 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
3374 (rintsf2): Likewise.
3376 2006-10-29 Richard Guenther <rguenther@suse.de>
3378 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
3379 to conversion optabs.
3380 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
3381 as conversion optab.
3382 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
3383 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
3384 (lfloor_optab, lceil_optab): Adjust defines.
3385 * builtins.c (expand_builtin_int_roundingfn): Adjust for
3386 lfloor and lceil optabs now being conversion optabs.
3387 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
3388 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
3389 New static helper function.
3390 (ix86_expand_lfloorceil): New function to expand lfloor and
3392 * config/i386/i386.md (lfloor<mode>2): Split into ...
3393 (lfloorxf<mode>2): ... x87 variant
3394 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
3395 using ix86_expand_lfloorceil.
3396 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
3398 * doc/md.texi (lfloorMN, lceilMN): Document.
3400 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3402 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
3403 -mno-shared assembler option on mips targets.
3404 * configure, config.in: Regenerate.
3405 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
3406 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
3407 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
3409 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3411 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
3412 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
3414 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
3416 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
3417 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
3420 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3423 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
3424 (fold_builtin_pow): Evaluate constant arguments at compile-time
3426 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
3427 (do_mpfr_ckconv): New helper function.
3428 (do_mpfr_arg1): Use do_mpfr_ckconv.
3429 (do_mpfr_arg2): New.
3431 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
3434 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
3435 (-fdump-rtl-sched): Rename to ..
3436 (-fdump-rtl-sched1): here. Also fix file extension number.
3438 2006-10-28 Richard Guenther <rguenther@suse.de>
3440 * fold-const.c (maybe_canonicalize_comparison): Fix code
3443 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3445 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
3446 (NON_QI_REG_P): Use IN_RANGE.
3447 (REX_INT_REGNO_P): Use IN_RANGE.
3448 (FP_REGNO_P): Use IN_RANGE.
3449 (SSE_REGNO_P): Use IN_RANGE.
3450 (REX_SSE_REGNO_P): Use IN_RANGE.
3451 (MMX_REGNO_P): Use IN_RANGE.
3452 (STACK_REGNO_P): New macro.
3453 (STACK_REG_P): Use STACK_REGNO_P.
3454 (NON_STACK_REG_P): Use STACK_REGNO_P.
3455 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
3456 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
3457 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
3458 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
3459 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
3461 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
3463 * except.h (output_function_exception_table): Add 'const char*' param.
3464 * except.c (switch_to_exception_section): Add 'const char*' param.
3465 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
3466 and flag_function_sections is set, use a function-specific section.
3467 (output_function_exception_table): Add 'const char*' param.
3468 Adjust call to switch_to_exception_section.
3469 * final.c (rest_of_handle_final): Adjust calls to
3470 output_function_exception_table.
3471 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
3472 * config.in: Regenerate.
3473 * configure: Likewise.
3475 2006-10-28 Richard Guenther <rguenther@suse.de>
3478 * fold-const.c (maybe_canonicalize_comparison_1): Helper
3479 for maybe_canonicalize_comparison.
3480 (maybe_canonicalize_comparison): New function for canonicalizing
3482 (fold_comparison): Call it to canonicalize comparisons with
3485 2006-10-28 Richard Guenther <rguenther@suse.de>
3488 * builtins.c (expand_builtin_int_roundingfn_2): Expand
3489 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
3490 (expand_builtin): Adjust likewise.
3491 * genopinit.c (optabs[]): Add lround optab.
3492 * optabs.c (init_optabs): Initialize lround_optab.
3493 * optabs.h (enum convert_optab_index): Add COI_lround.
3494 (lround_optab): Define.
3495 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
3496 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
3498 (ix86_expand_lround): New function.
3499 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
3501 * doc/md.texi (lroundMN2): Document.
3503 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3506 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
3507 argument to HOST_WIDE_INT. Update function prototype.
3508 (round_frame_size): Change return type to HOST_WIDE_INT. Change
3509 "size" argument to HOST_WIDE_INT. Update function prototype.
3511 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3513 * config/i386/i386.c (output_387_ffreep): Create output from a
3514 template string for !HAVE_AS_IX86_FFREEP.
3516 2006-10-27 Eric Christopher <echristo@apple.com>
3518 * config/darwin.c: Fix formatting and grammar.
3520 2006-10-27 Jan Hubicka <jh@suse.cz>
3522 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
3523 to be thrown away soon when IGNORE is set.
3524 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
3525 indicating when return value shall not be computed.
3526 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
3528 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
3530 * config/i386/i386.h (TARGET_GEODE):
3531 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
3532 (TARGET_CPU_DEFAULT_geode): New macro.
3533 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
3534 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
3535 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
3536 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
3537 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
3539 (TARGET_CPU_DEFAULT_NAMES): Add geode.
3540 (processor_type): Add PROCESSOR_GEODE.
3542 * config/i386/i386.md: Include geode.md.
3545 * config/i386/i386.c (geode_cost): New initialized global
3547 (m_GEODE, m_K6_GEODE): New macros.
3548 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
3549 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
3550 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
3551 x86_schedule): Use m_K6_GEODE instead of m_K6.
3552 (x86_movx, x86_cmove): Set up m_GEODE.
3553 (x86_integer_DFmode_moves): Clear m_GEODE.
3554 (processor_target_table): Add entry for geode.
3555 (processor_alias_table): Ditto.
3557 * config/i386/geode.md: New file.
3559 * doc/invoke.texi: Add entry about geode processor.
3561 2006-10-27 Mike Stump <mrs@apple.com>
3563 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
3564 __DYNAMIC__ from here back to ...
3565 * config/darwin.h (CPP_SPEC): ... here.
3567 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3568 Nathan Sidwell <nathan@codesourcery.com>
3570 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
3571 when choosing the minimum heapsize.
3573 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3575 * gcc/unwind-dw2.h: Move cfa-related variables into
3576 struct frame_state_reg_info to ensure that the CFA is properly
3577 handled when executing DW_CFA_{remember,restore}_state.
3578 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
3579 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
3580 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
3581 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
3582 gcc/config/rs6000/linux-unwind.h,
3583 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
3584 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
3585 Modify to use new cfa_* fields.
3587 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
3589 * config/s390/s390.c (s390_init_frame_layout): Check positive
3592 2006-10-26 Ben Elliston <bje@au.ibm.com>
3594 * gimplify.c (get_name): Remove extraneous break.
3595 (gimplify_omp_for): Initialise ret with GS_OK.
3597 2006-10-25 Steve Ellcey <sje@cup.hp.com>
3599 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
3600 Add unix98.o to link line.
3602 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3605 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
3606 Calculate compile-time constants using MPFR.
3607 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
3608 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
3610 2006-10-25 Bob Wilson <bob.wilson@acm.org>
3612 * config/xtensa/lib2funcs.S: Use C-style comments.
3614 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
3616 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
3617 (file_table_relative_p): Likewise.
3618 (dwarf2out_finish): Likewise.
3619 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
3621 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
3623 * tree-ssa-structalias.c (intra_create_variable_infos):
3624 Don't recreate nonlocal_all if it already exists.
3626 2006-10-25 Richard Guenther <rguenther@suse.de>
3629 * optabs.h (enum optab_index): Remove OTI_lrint.
3630 (enum convert_optab_index): Add COI_lrint.
3631 (lrint_optab): Adjust.
3632 (expand_sfix_optab): Declare.
3633 * optabs.c (expand_sfix_optab): New function.
3634 (init_optabs): Init lrint_optab as conversion optab.
3635 * genopinit.c (lrint_optab): Change to a conversion optab.
3636 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
3637 expansion via conversion optab.
3638 * config/i386/i386.md (*fistdi2_1): Remove
3639 flag_unsafe_math_optimizations guard.
3640 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
3641 fist<mode>2_with_temp): Likewise.
3642 (lrint<mode>2): Split into...
3643 (lrintxf<mode>2): ... x87 part
3644 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
3645 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
3646 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
3647 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
3648 * doc/md.texi (lrintMN2): Document.
3650 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3653 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
3654 Use inc and dec instructions for TARGET_USE_INCDEC.
3655 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
3656 ("sync_double_compare_and_swap<mode>"): Likewise.
3657 ("*sync_double_compare_and_swapdi_pic"): Likewise.
3658 ("*sync_compare_and_swap_cc<mode>"): Likewise.
3659 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
3660 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
3661 ("sync_old_add<mode>"): Likewise.
3662 ("sync_lock_test_and_set<mode>"): Likewise.
3663 ("sync_lock_test_and_set<mode>"): Likewise.
3664 ("sync_add<mode>"): Likewise.
3665 ("sync_sub<mode>"): Likewise.
3666 ("sync_ior<mode>"): Likewise.
3667 ("sync_and<mode>"): Likewise.
3668 ("sync_xor<mode>"): Likewise.
3670 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3672 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
3673 (remainder_optab): Define corresponding macro.
3674 (drem_optab): Remove.
3675 * optabs.c (init_optabs): Initialize remainder_optab. Remove
3676 drem_optab initialization.
3677 * genopinit.c (optabs): Implement remainder_optab using
3678 remainder?f3 patterns. Remove drem_optab.
3679 * builtins.c (expand_builtin_mathfn_2): Handle
3680 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
3681 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
3682 expand_builtin_mathfn_2.
3684 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
3685 depend on flag_unsafe_math_optimizations.
3687 * config/i386/i386.md ("remaindersf3", "remainderdf3")
3688 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
3689 Do not depend on flag_unsafe_math_optimizations. Use
3690 truncxf?f expander instead of truncxf?f_i387_noop.
3692 ("fpremxf4", "fprem1xf4"): Do not depend on
3693 flag_unsafe_math_optimizations.
3694 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
3695 flag_unsafe_math_optimizations. Use truncxf?f expander
3696 instead of truncxf?f_i387_noop.
3698 * doc/md.texi (fmod, remainder): Document standard named pattern.
3700 2006-10-24 Richard Sandiford <richard@codesourcery.com>
3701 David Daney <ddaney@avtrex.com>
3704 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
3706 2006-10-25 Ben Elliston <bje@au.ibm.com>
3708 * doc/extend.texi (Variable Attributes): Typo fix.
3710 2006-10-24 Uros Bizjak <uros@kss-loka.si>
3712 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
3713 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
3714 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
3715 (FRAME_POINTER_REGNUM): Update register number to 21.
3716 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
3717 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
3719 * config/i386/i386.c (regclass_map): Add fpcr entry.
3720 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
3722 (print_reg): Assert REGNO (x) != FPCR_REG.
3724 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
3725 (DIRFLAG_REG): Renumber.
3726 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
3727 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
3728 (sse_prologue_save, *sse_prologue_save_insn): Renumber
3729 hardcoded SSE register numbers.
3731 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
3732 hardcoded MMX register numbers.
3734 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3737 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
3738 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
3740 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
3741 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
3742 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
3743 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
3745 2006-10-24 Richard Guenther <rguenther@suse.de>
3748 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
3749 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
3750 for deciding optimizations in consistency with fold-const.c
3751 (fold_builtin_unordered_cmp): Likewise.
3753 2006-10-24 Richard Guenther <rguenther@suse.de>
3755 * builtins.c (fold_builtin_floor): Fold floor (x) where
3756 x is nonnegative to trunc (x).
3757 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
3758 nonnegative to FIX_TRUNC_EXPR.
3760 2006-10-24 Richard Guenther <rguenther@suse.de>
3762 PR tree-optimization/29567
3763 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
3764 for TRUTH_NOT_EXPR. Clarify comments.
3766 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3769 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
3770 at compile-time using MPFR. Change parameter VALUE to FUNC,
3772 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
3773 for overflow and underflow at all times and avoid folding in
3776 2006-10-24 Ben Elliston <bje@au.ibm.com>
3778 * reload1.c: Formatting fixes.
3780 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
3782 PR tree-optimization/14784
3783 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
3784 * tree-ssa-structalias.c (get_constraint_for,
3785 intra_create_variable_infos): Set is_heapvar.
3786 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
3787 non-heapvar pointer variables specially.
3789 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3792 * builtins.c (fold_builtin_sin, fold_builtin_cos,
3793 fold_builtin_tan): Fold all constant arguments. Take a "type"
3794 argument as necessary.
3795 (do_mpfr_arg1): New.
3796 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
3798 2006-10-23 Bob Wilson <bob.wilson@acm.org>
3800 * config/xtensa/lib1funcs.asm: Use C-style comments.
3802 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
3804 * tree.c (local_define_builtin): Replace calls to
3805 lang_hooks.builtin_function with add_builtin_function.
3806 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
3808 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
3810 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
3811 common code to add_builtin_function.
3812 * langhooks.c (add_builtin_function): New function.
3813 (lhd_builtin_function): New function.
3814 * langhooks.h (struct lang_hooks): Change the signature of
3816 (add_builtin_function): New function.
3817 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
3818 calls to lang_hooks.builtin_function with add_builtin_function.
3819 * c-common.c (decl_builtin_1): Replace calls to
3820 lang_hooks.builtin_function with add_builtin_function.
3821 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
3822 lang_hooks.builtin_function with add_builtin_function.
3823 * config/frv/frv.c (def_builtin): Replace calls to
3824 lang_hooks.builtin_function with add_builtin_function.
3825 * config/s390/s390.c (s390_init_builtins): Replace calls to
3826 lang_hooks.builtin_function with add_builtin_function.
3827 * config/sparc/sparc.c (def_builtin): Replace calls to
3828 lang_hooks.builtin_function with add_builtin_function.
3829 * config/i386/i386.c (def_builtin): Replace calls to
3830 lang_hooks.builtin_function with add_builtin_function.
3831 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
3832 lang_hooks.builtin_function with add_builtin_function.
3833 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
3834 lang_hooks.builtin_function with add_builtin_function.
3835 * config/stormy16/stormy16.c (xstormy16_init_builtins):
3836 Replace calls to lang_hooks.builtin_function with
3837 add_builtin_function.
3838 * config/iq2000/iq2000.c (def_builtin):
3839 Replace calls to lang_hooks.builtin_function with
3840 add_builtin_function.
3841 * config/ia64/ia64.c (def_builtin): Replace calls to
3842 lang_hooks.builtin_function with add_builtin_function.
3843 * config/rs6000/rs6000.c (def_builtin): Replace calls to
3844 lang_hooks.builtin_function with add_builtin_function.
3845 (altivec_init_builtins): Replace calls to
3846 lang_hooks.builtin_function with add_builtin_function.
3847 * config/arm/arm.c (def_mbuiltin): Replace calls to
3848 lang_hooks.builtin_function with add_builtin_function.
3849 (arm_init_tls_builtins): Replace calls to
3850 lang_hooks.builtin_function with add_builtin_function.
3851 * config/mips/mips.c (mips_init_builtins): Replace calls to
3852 lang_hooks.builtin_function with add_builtin_function.
3853 * config/bfin/bfin.c (def_builtin): Replace calls to
3854 lang_hooks.builtin_function with add_builtin_function.
3855 * langhooks-def.h (lhd_builtin_function): New function.
3856 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
3858 2006-10-23 Jakub Jelinek <jakub@redhat.com>
3860 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
3861 BUILT_IN_STRNCAT_CHK.
3863 2006-10-23 Jan Hubicka <jh@suse.cz>
3865 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
3866 don't do conversion from memmove to memcpy here.
3867 (expand_builtin_bcopy, expand_builtin): Update call of
3868 expand_builtin_memmove.
3869 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
3871 2006-10-23 Paul Brook <paul@codesourcery.com>
3873 * stor-layout.c (start_record_layout): maximum_field_alignment
3874 overrides STRUCTURE_SIZE_BOUNDARY.
3876 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
3878 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
3879 nonlocal function symbols if flag_pic.
3881 2006-10-23 Richard Guenther <rguenther@suse.de>
3885 * builtins.c (fold_binary): Remove checks for flag_wrapv
3886 and flag_trapv where negate_expr_p covers these cases.
3888 2006-10-23 Richard Guenther <rguenther@suse.de>
3891 * fold-const.c (fold_plusminus_mult_expr): Check exact power
3892 of two on the absolute value.
3893 (fold_binary): Fold x * -C to -x * C if x is easily negatable
3894 and negating -C does not overflow.
3896 2006-10-23 Richard Guenther <rguenther@suse.de>
3899 * convert.c (convert_to_real): Fold (float)-x to -(float)x
3900 only if not flag_rounding_math.
3902 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3903 Kaz Kojima <kkojima@gcc.gnu.org>
3906 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
3907 SImode memory reference for the source of a movua.
3908 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
3909 (movua): Use an unspec instead of sign_extract. Expect the source
3910 to have mode BLKmode.
3911 (extv, insv): Use a BLKmode rather than SImode memory reference
3912 for the source of a movua.
3914 2006-10-22 Jeff Law <law@redhat.com>
3915 Richard Guenther <rguenther@suse.de>
3917 PR tree-optimization/15911
3918 * tree-vrp.c (extract_code_and_val_from_cond): New function.
3919 (register_edge_assert_for_1): Likewise.
3920 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
3921 (find_conditional_asserts): Adjust for new function signature.
3922 (find_assert_locations): Likewise.
3924 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3926 * config/i386/tmmintrin.h: Remove the duplicated content.
3928 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3930 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
3931 (x86_64-*-*): Likewise.
3933 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
3934 (override_options): Check SSSE3.
3935 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
3936 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
3937 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
3938 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
3939 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
3940 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
3941 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
3942 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
3943 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
3944 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
3945 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
3946 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
3947 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
3948 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
3949 IX86_BUILTIN_PABSD128.
3950 (bdesc_2arg): Add SSSE3.
3951 (bdesc_1arg): Likewise.
3952 (ix86_init_mmx_sse_builtins): Support SSSE3.
3953 (ix86_expand_builtin): Likewise.
3954 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
3956 * config/i386/i386.md (UNSPEC_PSHUFB): New.
3957 (UNSPEC_PSIGN): Likewise.
3958 (UNSPEC_PALIGNR): Likewise.
3959 Include mmx.md before sse.md.
3961 * config/i386/i386.opt: Add -mssse3.
3963 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
3964 (ssse3_phaddwv4hi3): Likewise.
3965 (ssse3_phadddv4si3): Likewise.
3966 (ssse3_phadddv2si3): Likewise.
3967 (ssse3_phaddswv8hi3): Likewise.
3968 (ssse3_phaddswv4hi3): Likewise.
3969 (ssse3_phsubwv8hi3): Likewise.
3970 (ssse3_phsubwv4hi3): Likewise.
3971 (ssse3_phsubdv4si3): Likewise.
3972 (ssse3_phsubdv2si3): Likewise.
3973 (ssse3_phsubswv8hi3): Likewise.
3974 (ssse3_phsubswv4hi3): Likewise.
3975 (ssse3_pmaddubswv8hi3): Likewise.
3976 (ssse3_pmaddubswv4hi3): Likewise.
3977 (ssse3_pmulhrswv8hi3): Likewise.
3978 (ssse3_pmulhrswv4hi3): Likewise.
3979 (ssse3_pshufbv16qi3): Likewise.
3980 (ssse3_pshufbv8qi3): Likewise.
3981 (ssse3_psign<mode>3): Likewise.
3982 (ssse3_psign<mode>3): Likewise.
3983 (ssse3_palignrti): Likewise.
3984 (ssse3_palignrdi): Likewise.
3985 (abs<mode>2): Likewise.
3986 (abs<mode>2): Likewise.
3988 * config/i386/tmmintrin.h: New file.
3990 * doc/extend.texi: Document SSSE3 built-in functions.
3992 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
3994 2006-10-22 Ira Rosen <irar@il.ibm.com>
3996 * tree-vect-transform.c (vectorizable_load): Use the type of the
3997 return value of the mask_for_load builtin to create realign_load
4000 2006-10-22 Richard Sandiford <richard@codesourcery.com>
4002 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
4005 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
4007 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
4008 (UNSPEC_LDDQU): This.
4009 * config/i386/sse.md (sse3_lddqu): Updated.
4011 2006-10-21 Richard Guenther <rguenther@suse.de>
4013 * builtins.c (expand_builtin_int_roundingfn_2): New function.
4014 (expand_builtin): Use it to expand lrint instead of
4015 expand_builtin_mathfn.
4017 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4020 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
4021 flag_unsafe_math_optimizations is set.
4023 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4026 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
4027 patterns to use memory input operand in x87->mem->XMM
4028 reload sequences. Skip transformation for TARGET_K8.
4030 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4032 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
4033 force operand1 to register if both operands are memory operands.
4034 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
4035 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
4036 if both operands are memory operands.
4037 (truncdfsf2): Do not force operand1 to register if both operands
4038 are memory operands.
4040 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4042 * Makefile.in (LIBS): Add $(GMPLIBS).
4043 * doc/install.texi: Update GMP and MPFR requirements.
4044 * doc/sourcebuild.texi (need_gmp): Delete.
4046 2006-10-21 Richard Guenther <rguenther@suse.de>
4048 PR tree-optimization/3511
4049 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
4050 got new invariant arguments during PHI translation.
4052 2006-10-21 Richard Guenther <rguenther@suse.de>
4055 * fold-const.c (fold_comparison): Fold signed comparisons
4056 of the form X +- C1 CMP Y +- C2.
4058 2006-10-21 Richard Guenther <rguenther@suse.de>
4061 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
4062 if flag_unsafe_math_optimizations is specified. We have
4063 flag_finite_math_only for that.
4064 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
4065 or flag_unsafe_math_optimizations.
4067 2006-10-21 Richard Guenther <rguenther@suse.de>
4069 * builtins.c (fold_builtin_classify): Fix typo.
4071 2006-10-21 Richard Guenther <rguenther@suse.de>
4074 * simplify-rtx.c (simplify_const_relational_operation):
4075 Do not constant-fold ORDERED and UNORDERED for
4076 flag_unsafe_math_optimizations but only we do not need to
4077 honor NaNs for the given mode.
4079 2006-10-21 Richard Guenther <rguenther@suse.de>
4082 * config/i386/i386.c (classify_argument): Remove redundant
4083 walking of the BINFOs.
4084 (contains_128bit_aligned_vector_p): Likewise.
4086 2006-10-20 Mark Mitchell <mark@codesourcery.com>
4088 * BASE-VER: Set to 4.3.0.
4090 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
4092 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
4093 (tree_decl_with_vis): Remove artificial_pta_var flag.
4094 * tree-flow.h (referenced_var_check_and_insert): Expose.
4095 (nonlocal_all): New prototype.
4096 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
4097 (nonlocal_all): Make global.
4098 (nonlocal_lookup): Remove.
4099 (nonlocal_insert): Ditto.
4100 (create_nonlocal_var): Do not call nonlocal_insert.
4101 (get_nonlocal_id_for_type): Remove.
4102 (find_global_initializers): Mark new vars we find for renaming.
4103 (intra_create_variable_infos): Only create one nonlocal.
4104 (expand_nonlocal_solutions): Remove.
4105 (compute_points_to_sets): Don't call it.
4106 (ipa_pta_execute): Ditto.
4107 (init_alias_heapvars): Don't create nonlocal_for_type.
4108 (delete_alias_heapvars): Don't remove it.
4109 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
4112 2006-10-19 Brooks Moses <bmoses@stanford.edu>
4114 * doc/install.texi (Downloading GCC): Clarify mention of
4115 Fortran in the "full distribution" description.
4117 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
4119 Fix PR tree-optimization/28778
4120 Fix PR tree-optimization/29156
4121 Fix PR tree-optimization/29415
4122 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
4123 (tree_decl_with_vis): Add artificial_pta_var flag.
4124 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
4125 pushed into callers.
4126 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
4127 (nonlocal_all): Ditto.
4128 (struct variable_info): Add directly_dereferenced member.
4129 (var_escaped_vars): New variable.
4130 (escaped_vars_tree): Ditto.
4131 (escaped_vars_id): Ditto.
4132 (nonlocal_vars_id): Ditto.
4133 (new_var_info): Set directly_dereferenced.
4134 (graph_size): New variable
4135 (build_constraint_graph): Use graph_size.
4136 (solve_graph): Don't process constraints that cannot change the
4137 solution, don't try to propagate an empty solution to our
4139 (process_constraint): Set directly_dereferenced.
4140 (could_have_pointers): New function.
4141 (get_constraint_for_component_ref): Don't process STRING_CST.
4142 (nonlocal_lookup): New function.
4143 (nonlocal_insert): Ditto.
4144 (create_nonlocal_var): Ditto.
4145 (get_nonlocal_id_for_type): Ditto.
4146 (get_constraint_for): Allow results vector to be empty in the case
4147 of string constants.
4148 Handle results of calls properly.
4149 (update_alias_info): Update alias info stats on number and type of
4151 (find_func_aliases): Use could_have_pointers.
4152 (make_constraint_from_escaped): Renamed from
4153 make_constraint_to_anything, and changed to make constraints from
4155 (make_constraint_to_escaped): New function.
4156 (find_global_initializers): Ditto.
4157 (create_variable_info_for): Make constraint from escaped to any
4158 global variable, and from any global variable to the set of
4160 (intra_create_variable_infos): Deal with escaped instead of
4161 pointing to anything.
4162 (set_uids_in_ptset): Do type pruning on directly dereferenced
4164 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
4165 (init_base_vars): Fix comment, and initialize escaped_vars.
4166 (need_to_solve): Removed.
4167 (find_escape_constraints): New function.
4168 (expand_nonlocal_solutions): Ditto.
4169 (compute_points_to_sets): Call find_escape_constraints and
4170 expand_nonlocal_solutions.
4171 (delete_points_to_sets): Don't fall off the end of the graph.
4172 (init_alias_heapvars): Initialize nonlocal_for_type and
4174 (delete_alias_heapvars): Free nonlocal_for_type and null out
4177 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
4179 * fold-const.c (add_double): Rename to add_double_with_sign.
4180 Add 'unsigned_p' parameter and take it into account for the overflow.
4181 (mul_double): Rename to mul_double_with_sign.
4182 Add 'unsigned_p' parameter and take it into account for the overflow.
4183 (fold_div_compare): Call add_double_with_sign instead of add_double
4184 and mul_double_with_sign instead of mul_double, passing them the
4185 unsignedness of the type.
4186 * tree.h (add_double): Macroize.
4187 (add_double_with_sign): New prototype.
4188 (mul_double): Macroize.
4189 (mul_double_with_sign): New prototype.
4191 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
4193 * config/score/crti.asm: New file.
4194 * config/score/crtn.asm: New file.
4195 * config/score/elf.h: New file.
4196 * config/score/mac.md: New file.
4197 * config/score/misc.md: New file.
4198 * config/score/mul-div.S: New file.
4199 * config/score/predicates.md: New file.
4200 * config/score/score7.md: New file.
4201 * config/score/score.c: New file.
4202 * config/score/score-conv.h: New file.
4203 * config/score/score.h: New file.
4204 * config/score/score.md: New file.
4205 * config/score/score-mdaux.c: New file.
4206 * config/score/score-mdaux.h: New file.
4207 * config/score/score-modes.def: New file.
4208 * config/score/score.opt: New file.
4209 * config/score/score-protos.h: New file.
4210 * config/score/score-version.h: New file.
4211 * config/score/t-score-elf: New file.
4212 * config.gcc: Add score*-*-* configurations(Update before).
4213 * doc/invoke.texi (Score Options): New section.
4214 * doc/md.texi (Score family): New section to document constraints.
4216 2006-10-19 Nick Clifton <nickc@redhat.com>
4218 * config/arm/arm.c: Fix spelling typo.
4220 2006-10-18 Tom Tromey <tromey@redhat.com>
4222 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
4224 2006-10-18 Jan Hubicka <jh@suse.cz>
4227 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
4230 2006-10-18 Marcin Dalecki <martin@dalecki.de>
4232 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
4233 TSI_SAME_STMT, since that's the desired entity.
4235 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
4237 * config/s390/contraints.md: New file.
4238 * config/s390/s390-protos.h (s390_mem_constraint,
4239 s390_O_constraint_str, s390_N_constraint_str,
4240 s390_float_const_zero_p): Function prototypes added.
4241 * config/s390/s390.c (s390_extra_constraint_str,
4242 s390_const_double_ok_for_constraint_p,
4243 s390_const_ok_for_constraint_p): Functions removed.
4244 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
4245 s390_float_const_zero_p): New functions.
4246 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
4247 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
4248 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
4249 Macro definitions removed.
4250 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
4251 s390_extra_constraint_str): Functions removed.
4253 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
4254 Richard Sandiford <richard@codesourcery.com>
4257 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
4258 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
4260 2006-10-16 Geoffrey Keating <geoffk@apple.com>
4262 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
4263 (DWARF2_FRAME_REG_OUT): Likewise.
4264 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
4265 (DWARF2_FRAME_REG_OUT): Likewise.
4267 2006-10-17 Paul Brook <paul@codesourcery.com>
4269 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
4271 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4273 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
4274 Standardize on "GNU Fortran" as the official name of the Fortran
4277 2006-10-16 Mike Stump <mrs@apple.com>
4279 * doc/invoke.texi (Darwin Options): Document -mkernel.
4280 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
4282 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
4283 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
4284 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
4285 (OS_MISSING_ALTIVEC): Add.
4286 * config/i386/i386.c (override_options): Add
4287 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
4288 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
4289 -mkernel, -static or -mdynamic-no-pic is given.
4290 (C_COMMON_OVERRIDE_OPTIONS): Add.
4291 * config/darwin.opt (fapple-kext): Add.
4293 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
4294 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
4296 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
4297 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
4298 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
4299 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
4300 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
4301 (flag_mkernel): Add.
4302 (flag_apple_kext): Add.
4303 (TARGET_KEXTABI): Add.
4304 * config/darwin.c (darwin_handle_kext_attribute): Add.
4305 (DARWIN_VTABLE_P): Add.
4306 (darwin_binds_local_p): Add partial support for rebinding vtables
4308 (darwin_kextabi_p): Add.
4309 (darwin_override_options): Add.
4310 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
4311 (darwin_kextabi_p): Add.
4312 (darwin_override_options): Add.
4313 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
4314 __DYNAMIC__ and __STATIC__ here.
4316 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4318 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
4319 Added mention of "make pdf" target, and Texinfo requirements for
4322 2006-10-16 DJ Delorie <dj@redhat.com>
4324 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
4325 into the GOT in case we need a subreg of the address.
4327 2006-10-16 Richard Guenther <rguenther@suse.de>
4330 * doc/extend.texi (X86 Built-in Functions): Fix typos in
4331 SSE builtin documentation. Document SSE2 builtins.
4333 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4335 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
4336 symbol in the output file for non-shared links when -nostdlib or
4337 -nodefaultlibs isn't specified.
4339 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
4340 posix thread support.
4342 2006-10-15 Jan Hubicka <jh@suse.cz>
4345 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
4346 declared always_inline even when not inlining.
4348 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4349 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4350 Andrew Pinski <pinskia@gmail.com>
4353 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
4355 2006-10-15 Jan Hubicka <jh@suse.cz>
4356 Richard Guenther <rguenther@suse.de>
4359 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
4360 process_function_and_variable_attributes on all variables, including
4361 those discovered during cgraph construction phase.
4363 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
4365 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
4367 2006-10-14 Uros Bizjak <uros@kss-loka.si>
4369 * config/i386/athlon.md (athlon_fist): Add fisttp.
4371 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4372 Ian Lance Taylor <ian@airs.com>
4375 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
4376 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
4379 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
4381 * config/score/score.c, config/score/score.h: Fix comment
4384 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4387 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
4390 2006-10-13 Eric Christopher <echristo@apple.com>
4392 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4394 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4397 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4398 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4399 alignment supported by 32-bit ELF.
4401 2006-10-13 Eric Christopher <echristo@apple.com>
4403 * config/darwin.c (darwin_emit_unwind_label): Strip
4404 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
4406 2006-10-13 Richard Guenther <rguenther@suse.de>
4408 PR tree-optimization/29446
4409 * tree-vrp.c (fix_equivalence_set): Remove.
4410 (extract_range_from_assert): Do not call fix_equivalence_set.
4411 (debug_value_range): Print a newline.
4412 (compare_name_with_value): For equivalence sets with
4413 inconsistent value ranges conservatively bail out.
4414 (compare_names): Likewise.
4416 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4418 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
4419 and MPFR for gfortran.
4421 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4423 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4424 alignment supported by 32-bit ELF.
4426 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
4430 * c-typeck.c (digest_init): Always allow initializing vectors
4431 that have static storage duration with compound literals.
4432 * tree.c (build_type_attribute_qual_variant): New, based on
4433 build_type_attribute_variant.
4434 (build_type_attribute_variant): Rewrite using the former.
4435 (make_vector_type): Use build_type_attribute_qual_variant to build
4436 type variants. Use type_hash_canon on the others.
4438 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
4439 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
4441 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
4443 2006-10-12 Jan Hubicka <jh@suse.cz>
4446 * c-decl.c (c_make_fname_decl): Do not segfault in case where
4447 current_function_decl is set but current_function_scope is not.
4449 2006-10-12 Jie Zhang <jie.zhang@analog.com>
4451 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
4452 emit_insn to emit eh_return_internal instruction.
4453 (eh_return_internal): Explicitly set pc.
4455 2006-10-11 Richard Guenther <rguenther@suse.de>
4457 PR tree-optimization/28230
4458 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
4459 to the correct place.
4461 2006-10-11 Richard Guenther <rguenther@suse.de>
4464 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
4467 2006-10-10 Brooks Moses <bmoses@stanford.edu>
4469 * configure.ac: Added pdf to "Make-hooks"
4470 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
4471 targets and *.pdf file patterns in cleanup targets.
4472 * configure: Regenerated.
4474 2006-10-10 Anatoly Sokolov <aesok@post.ru>
4476 * config/avr/predicates.md: New file.
4477 * config/avr/avr.md: Include it.
4478 (REG_SP): New constant.
4479 (peepholes): Use predicates.
4480 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
4481 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
4482 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
4484 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
4486 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
4489 2006-10-10 Jakub Jelinek <jakub@redhat.com>
4492 * builtins.c (var_decl_component_p): New function.
4493 (fold_builtin_memset, fold_builtin_memory_op): Restrict
4494 single entry optimization to variables and components thereof.
4496 2006-10-10 Richard Guenther <rguenther@suse.de>
4498 PR rtl-optimization/29323
4499 * except.c (set_nothrow_function_flags): For functions
4500 that do not bind local bail out early.
4502 2006-10-10 Ben Elliston <bje@au.ibm.com>
4504 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
4507 2006-10-09 Richard Henderson <rth@redhat.com>
4509 Revert emutls patch.
4511 2006-10-09 Richard Guenther <rguenther@suse.de>
4514 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
4517 2006-10-09 Steve Ellcey <sje@cup.hp.com>
4520 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
4521 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
4522 * configure: Regenerate.
4523 * config.in: Regenerate.
4525 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
4527 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
4529 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4531 * config/mips/mips.c (mips_legitimize_tls_address): Implement
4532 all TLS models in the same way as local exec if !TARGET_ABICALLS.
4533 Remove stray newline.
4535 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4537 * config/mips/mips.c (mips_classify_symbol): Do not return
4538 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
4539 (mips_in_small_data_p): Tweak comments.
4541 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4543 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
4545 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
4547 * gimplify.c, sched-int.h: Fix comment typos.
4549 * sched-int.h: Fix comment typos.
4551 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4553 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
4555 * sched-ebb.c (begin_schedule_ready): Use them.
4556 * haifa-sched.c (schedule_insn, move_insn, try_ready,
4557 add_to_speculative_block, create_check_block_twin, speculate_insn,
4558 fix_jump_move, move_block_after_check): Ditto.
4559 * sched-rgn.c (new_ready): Ditto.
4561 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4563 PR rtl-optimization/29128
4564 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
4565 * sched-ebb.c (advance_target_bb): Use it to fix condition to
4566 allow interblock movement of speculation checks.
4568 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
4571 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
4572 casted to integer type.
4573 (get_address_cost): Decrease cost of [symbol + index] addressing modes
4574 if they are significantly more expensive than [reg + index] ones.
4576 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4578 PR tree-optimization/29330
4579 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
4580 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
4581 on newly allocated ddrs.
4582 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
4583 to VEC (loop_p, heap) pointer.
4584 (compute_data_dependences_for_loop): Adjust caller.
4585 (free_dependence_relations): Free DDR_LOOP_NEST.
4587 * tree-loop-linear.c (linear_transform_loops): Don't forget to
4588 free DEPENDENCE_RELATIONS and DATAREFS.
4591 * builtins.c (expand_builtin_sync_operation,
4592 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
4593 Use convert_to_mode to handle promoted arguments.
4595 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4597 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
4599 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4601 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
4603 2006-10-05 Uros Bizjak <uros@kss-loka.si>
4605 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
4606 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
4607 Use <modeconstraint> instead of "r" as operand 1 constraint.
4609 2006-10-06 Olivier Hainque <hainque@adacore.com>
4611 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
4612 Don't recurse on the pointed-to type.
4613 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
4614 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
4615 types with components of variable size.
4617 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
4619 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
4621 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4623 PR tree-optimization/29290
4624 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
4628 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
4629 * config/i386/predicates.md (local_symbolic_operand): Likewise.
4632 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
4633 the number of vector elements fill the rest with zeros.
4635 2006-10-05 Richard Sandiford <richard@codesourcery.com>
4637 * config/mips/mips.c (mips_pass_by_reference): Do not return false
4638 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
4641 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
4643 * config/bfin/bfin.md (subsi3): Lose expander, change previously
4644 unnamed pattern into subsi3. Use correct constraints/predicates.
4645 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
4646 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
4648 2006-10-05 Ira Rosen <irar@il.ibm.com>
4650 * doc/loop.texi: Add data references analysis description.
4652 2006-10-04 Brooks Moses <bmoses@stanford.edu>
4654 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
4656 2006-10-04 Richard Henderson <rth@redhat.com>
4657 Jakub Jelinek <jakub@redhat.com>
4659 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
4660 * builtin-types.def (BT_WORD): Make unsigned.
4661 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4662 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4663 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4664 * c-decl.c (grokdeclarator): Don't error if !have_tls.
4665 * c-parser.c (c_parser_omp_threadprivate): Likewise.
4666 * cgraph.c (decide_is_variable_needed): Look at force_output.
4667 Recurse for emulated tls.
4668 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
4669 checks redundant with decide_is_variable_needed.
4670 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
4671 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4673 * expr.c (emutls_var_address): New.
4674 (expand_expr_real_1): Expand emulated tls.
4675 (expand_expr_addr_expr_1): Likewise.
4676 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4677 * output.h (emutls_finish): Declare.
4678 * toplev.c (compile_file): Call it.
4679 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4680 address before wrapping in CONST.
4681 * varasm.c (emutls_htab, emutls_object_type): New.
4682 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4683 (get_emutls_object_name, get_emutls_object_type): New.
4684 (get_emutls_init_templ_addr, emutls_decl): New.
4685 (emutls_common_1, emutls_finish): New.
4686 (assemble_variable): When emulating tls, swap decls; generate
4687 constructor for the emutls objects.
4688 (do_assemble_alias): When emulating tls, swap decl and target name.
4689 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4691 * emutls.c: New file.
4692 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
4693 tls_object for real tls.
4695 2006-10-04 Zack Weinberg <zackw@panix.com>
4697 Fix bug in constraint-check generator, reported by Rask Ingemann
4699 * genpreds.c (add_constraint): Don't remove anything from the
4701 (write_tm_constrs_h): Detect whether "op" argument is used, and
4702 mark it ARG_UNUSED if it isn't.
4703 (write_insn_const_int_ok_for_constraint): Skip the part of the
4704 expression that would test whether "op" (which is not available
4705 here) is a CONST_INT.
4707 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
4710 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
4712 2006-10-03 Geoffrey Keating <geoffk@apple.com>
4714 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
4715 current Leopard versions.
4716 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
4718 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
4720 * doc/install.texi: Fix typos.
4722 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4724 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
4725 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
4726 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
4728 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
4730 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
4731 arg to be struct mach_header_64* instead.
4733 2006-10-02 Jakub Jelinek <jakub@redhat.com>
4736 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
4737 side effects after the outer expression's post side effects.
4739 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
4741 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
4742 comments to reflect actual behavior and relationship between
4743 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
4745 * doc/c-tree.texi (Working with declarations): Fix documentation
4746 of FIELD_DECL likewise.
4748 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
4751 * doc/extend.texi: Add used variable attribute description.
4753 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
4756 * c.opt (Woverride-init): New.
4757 * c-opts.c (c_common_post_options): Default warn_override_init to
4759 * c-typeck.c (add_pending_init, output_init_element): Warn for
4760 overriding initializers without side effects.
4761 * doc/invoke.texi (-Woverride-init): Document.
4764 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
4766 PR rtl-optimization/28096
4767 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
4768 assignment has already been used as a destination earlier in the block.
4770 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
4772 * builtins.c (expand_builtin_setjmp): Delete.
4773 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
4774 <BUILT_IN_SETJMP_SETUP>: New case.
4775 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
4776 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
4777 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
4778 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
4779 (BUILT_IN_SETJMP_RECEIVER): Likewise.
4780 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
4781 (lower_function_body): Initialize it to false. If it is set to true
4782 at the end of the processing, emit the setjmp dispatcher.
4783 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
4784 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
4785 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
4786 on the rhs of the assignment.
4787 (lower_builtin_setjmp): New function.
4788 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
4789 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
4790 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
4791 to detect calls that can go to non-local labels. Use specific
4792 helper to create the abnormal edges associated with them.
4793 <MODIFY_EXPR>: Likewise.
4794 (make_abnormal_goto_edges): New function extracted from...
4795 (make_goto_expr_edges): ...here. Call it for computed gotos.
4796 (simple_goto_p): Minor tweak.
4797 (tree_can_make_abnormal_goto): New predicate.
4798 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
4799 (tree_purge_dead_abnormal_call_edges): New function.
4800 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
4801 (tree_purge_dead_abnormal_call_edges): Likewise.
4802 (make_abnormal_goto_edges): Likewise.
4803 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
4804 Purge all dead abnormal edges if the call was in the last statement.
4805 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
4806 (execute_fixup_cfg): If there are non-local labels in the function,
4807 scan the basic blocks and split them at calls that can go to non-local
4808 labels or add missing abnormal call edges. Write down the CFG in the
4810 (pass_fixup_cfg): Remove TODO_dump_func flag.
4811 * unwind-sjlj.c: Poison setjmp.
4812 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
4813 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
4814 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
4815 (DONT_USE_BUILTIN_SETJMP): Document it.
4817 2006-09-28 Geoffrey Keating <geoffk@apple.com>
4820 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
4821 to 1 when __ppc64__ is defined.
4822 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
4824 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
4826 2006-09-28 Steve Ellcey <sje@cup.hp.com>
4828 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
4829 * config/ia64/unwind-hpux.c: Delete.
4831 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
4833 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
4834 on the element before gimplifying it, instead of punting if it is of
4837 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
4839 * doc/loop.texi: New file.
4840 * doc/gccint.texi: Reference loop.texi.
4841 * Makefile.in (loop.texi): Add.
4843 2006-09-27 Geoffrey Keating <geoffk@apple.com>
4845 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
4847 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4848 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4850 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
4852 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
4854 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
4856 * doc/install.texi: Document required versions of GMP and MPFR.
4858 2006-09-27 Paul Brook <paul@codesourcery.com>
4861 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
4863 2006-09-27 Richard Sandiford <richard@codesourcery.com>
4865 * reload1.c (alter_reg): Require the alignment of the stack slot to
4866 be at least reg_max_ref_width bytes.
4867 (scan_paradoxical_subregs): Record the largest width in
4870 2006-09-26 Jakub Jelinek <jakub@redhat.com>
4874 * tree-nested.c (struct nesting_info): Added static_chain_added.
4875 (convert_call_expr): Set static_chain_added when adding static
4876 chain. Handle OMP_PARALLEL and OMP_SECTION.
4878 2006-09-25 Matthias Klose <doko@debian.org>
4880 * doc/invoke.texi: Add missing full stop.
4882 2006-09-25 Richard Henderson <rth@redhat.com>
4884 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
4885 before cgraph_function_flags_ready.
4887 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
4888 Adam Nemet <anemet@caviumnetworks.com>
4890 * tree-ssa-loop-ivopts.c (aff_combination_convert,
4891 determine_common_wider_type): New functions.
4892 (get_computation_aff): Use them to simplify arithmetic between
4893 UBASE and CBASE if they are shortened from the same type.
4895 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
4898 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
4899 -2147483647 - 1 instead of 0x80000000.
4901 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
4903 * flags.h (HONOR_NANS): Fix typo in comment.
4905 2006-09-23 Uros Bizjak <uros@kss-loka.si>
4907 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
4909 2006-09-23 Jakub Jelinek <jakub@redhat.com>
4913 * tree.c (merge_attributes, attribute_list_contained): If both
4914 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
4916 * c-typeck.c (comptypes_internal): Don't consider aggregates
4917 in different TUs as compatible if there one set of attributes is
4918 not a subset of the other type's attributes.
4919 (composite_type): Try harder not to create a new aggregate type.
4921 2006-09-22 Geoffrey Keating <geoffk@apple.com>
4923 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
4924 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
4925 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
4926 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
4927 than replicating condition above.
4928 * config.host (i[34567]86-*-*): Always use driver-i386.o.
4930 * config/darwin.h (LINK_SYSROOT_SPEC): New.
4931 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
4932 the linker by default.
4934 2006-09-22 Mike Stump <mrs@apple.com>
4936 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
4939 2006-09-22 Richard Guenther <rguenther@suse.de>
4942 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
4943 sort of stack variables stable.
4945 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
4948 * explow.c (force_reg): Set REG_POINTER flag according to
4951 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
4953 PR tree-optimization/28888
4954 * tree-if-conv.c (combine_blocks): Rewritten.
4955 * tree-cfg.c (tree_verify_flow_info): Check that edges with
4956 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
4958 2006-09-22 Jakub Jelinek <jakub@redhat.com>
4960 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
4963 2006-09-21 Richard Sandiford <richard@codesourcery.com>
4965 * varasm.c (copy_constant): Fix reversed gcc_assert check.
4967 2006-09-21 Janis Johnson <janis187@us.ibm.com>
4969 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
4971 2006-09-21 Roger Sayle <roger@eyesopen.com>
4974 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
4975 dw_fde_current_label, to be the start of the function, i.e. the same
4976 value as dw_fde_begin.
4978 2006-09-20 Richard Sandiford <richard@codesourcery.com>
4980 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
4981 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
4982 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
4983 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
4984 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
4985 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
4986 (abs<mode>2, neg<mode>2): Likewise.
4987 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
4988 (*mips_abs_ps): New define_insn.
4990 2006-09-20 Josh Conner <jconner@apple.com>
4993 * calls.c (expand_call): Allow reuse of structure return stack
4996 2006-09-20 Paul Brook <paul@codesourcery.com>
4998 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
5001 2006-09-20 Janis Johnson <janis187@us.ibm.com>
5003 * doc/extend.texi (Decimal Float): Update for latest draft TR,
5004 clean up terminology.
5006 2006-09-20 Steve Ellcey <sje@cup.hp.com>
5009 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
5010 with tablejumps in them.
5012 2006-09-20 Jakub Jelinek <jakub@redhat.com>
5015 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
5016 wrap it into TARGET_EXPR.
5018 2006-09-20 Eric Christopher <echristo@apple.com>
5020 * config/i386/i386.c (x86_fisttp): Remove.
5021 * config/i386/i386.h (x86_fisttp): Ditto.
5022 (TARGET_FISTTP): Ditto.
5024 2006-09-19 Eric Christopher <echristo@apple.com>
5026 * doc/tm.texi (OBJC_JBLEN): Describe.
5027 * config/i386/darwin.h (OBJC_JBLEN): Define.
5028 * config/rs6000/darwin.h: Ditto.
5030 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
5032 PR rtl-optimization/21299
5033 * reload1.c (reload): Purge invalid ASMs in the final pass.
5035 2006-09-19 Steve Ellcey <sje@cup.hp.com>
5038 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
5039 pointers as legitimate constants.
5041 2006-09-19 Paul Brook <paul@codesourcery.com>
5044 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
5046 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
5048 PR tree-optimization/28887
5049 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
5050 component parts from the reference.
5051 (gather_memory_references_ref): Record the reference without the
5052 nonaddressable component parts.
5054 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
5057 * c-opts.c (c_common_handle_option): Ignore the -std options
5058 if the input language is assembly.
5060 2006-09-17 Ira Rosen <irar@il.ibm.com>
5063 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
5065 (ptr_ptr_may_alias_p): Likewise.
5066 (record_record_differ_p): New function.
5067 (base_object_differ_p): Call record_record_differ_p.
5069 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
5072 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
5073 away for the expr argument.
5075 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5078 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
5079 before using it for dumping after vectorizing loops.
5081 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
5082 Jack Howarth <howarth@bromo.med.uc.edu>
5085 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
5086 skip on error_mark_node.
5087 (rs6000_darwin64_record_arg_recurse): Likewise.
5089 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5091 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
5092 * doc/rtl.texi: Remove related documentation.
5094 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
5096 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
5099 2006-09-15 Jim Wilson <wilson@specifix.com>
5101 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
5102 Handle symbol offsets same as they are handled in ia64_expand_move
5105 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
5107 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
5108 Add forgotten parameter to the fprintf call.
5110 2006-09-15 Steve Ellcey <sje@cup.hp.com>
5112 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
5114 2006-09-15 Uros Bizjak <uros@kss-loka.si>
5116 * doc/contrib.texi: Add my entry.
5118 2006-09-15 Nick Clifton <nickc@redhat.com>
5120 * doc/md.texi (Processor pipeline description): Fix typo in
5121 example of how to use the absence_set directive and reword the
5122 description to make it slightly easier to read.
5124 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
5126 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
5127 * loop-doloop.c (doloop_optimize): Use it to limit costs of
5128 expanding the number of iterations.
5129 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
5131 * cfgrtl.c (emit_insn_at_entry): New function.
5132 * rtl.h (emit_insn_at_entry): Declare it.
5133 * integrate.c (emit_initial_value_sets): Use it.
5135 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
5137 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
5139 (struct loop_work and related VEC declarations): Delete.
5140 (bfin_dump_loops): Print out new member bad.
5141 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
5142 (bfin_scan_loop): Don't recurse.
5143 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
5144 loops. No longer need to update outer loops if the current one is
5145 found bad. Move some validitiy checks to bfin_discover_loop.
5146 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
5147 but changed not to check for nesting. Also changed to use the new bad
5149 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
5150 time. Use bitmap based test to discover loop nesting.
5152 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
5154 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
5157 2006-09-14 Richard Guenther <rguenther@suse.de>
5158 Kazu Hirata <kazu@codesourcery.com>
5160 PR middle-end/28884.
5161 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
5162 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
5163 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
5164 with TARGET_FUNCTION_VALUE.
5166 2006-09-14 Anatoly Sokolov <aesok@post.ru>
5169 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
5171 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
5173 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
5176 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
5179 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
5182 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5184 * basic_block.h (bb_has_eh_pred): Fix comment.
5186 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5188 * flow.c (calculate_global_regs_live): Invalidate eh registers
5189 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
5190 (propagate_block): Handle eh registers as if they were set at basic
5192 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
5194 * global.c (global_conflicts): Make eh registers to conflict with
5195 pseudos live at basic block begin.
5196 * basic_block.h (bb_has_eh_pred): New function.
5198 2006-09-13 Richard Sandiford <richard@codesourcery.com>
5200 PR rtl-optimization/28982
5201 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
5202 index of a PRE_MODIFY or POST_MODIFY address.
5203 * reload1.c (inc_for_reload): Use find_replacement on the original
5204 base and index registers.
5206 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
5208 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
5209 for -Os. Update __m128 alignment requirement.
5211 2006-09-13 Jan Hubicka <jh@suse.cz>
5213 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
5215 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
5217 PR rtl-optimization/28243
5218 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
5219 the insn to which the note was originally attached.
5221 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
5222 Roger Sayle <roger@eyesopen.com>
5224 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
5225 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
5226 on platforms that don't use dwarf for debug info.
5228 2006-09-12 Jason Merrill <jason@redhat.com>
5231 * builtins.c (expand_builtin_setjmp_receiver): Clobber
5232 hard_frame_pointer_rtx after using it to update the frame pointer.
5234 2006-09-12 Roger Sayle <roger@eyesopen.com>
5236 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
5237 (TARGET_ASM_CLOSE_PAREN): Likewise.
5238 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
5239 (TARGET_ASM_CLOSE_PAREN): Likewise.
5241 2006-09-12 Roger Sayle <roger@eyesopen.com>
5244 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
5245 frame information for frames larger than 512 Kbytes on Tru64 when
5246 using the native assembler.
5248 2006-09-12 Roger Sayle <roger@eyesopen.com>
5252 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
5253 and symbols. Instead use the implementation from cse.c's hash_rtx.
5255 2006-09-12 Jan Hubicka <jh@suse.cz>
5257 PR rtl-optimization/28071
5258 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
5259 (vect_transform_loop): Likewise.
5260 * tree-vectorizer.c (new_loop_vec_info): Likewise.
5261 (new_loop_vec_info): Likewise.
5262 (destroy_loop_vec_info): Likewise.
5263 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
5264 (create_stmt_ann): Likewise.
5265 (create_tree_ann): Rename to ...
5266 (create_tree_common_ann): ... this one; allocate only the common part
5268 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
5269 (get_value_handle): Likewise.
5270 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
5271 get_tree_common_ann.
5272 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
5273 (vinfo_for_stmt): Use stmt annotations.
5274 * tree-flow.h (tree_ann_common_t): New type.
5275 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
5276 (tree_ann, get_tree_ann, create_tree_ann): New.
5277 * tree-flow-inline.h (get_function_ann): Do more type checking.
5278 (stmt_ann): Likewise.
5279 (tree_ann): Rename to ...
5280 (tree_common_ann): ... this one; return ony common_ann
5281 (get_tree_ann): Rename to ...
5282 (tree_common_ann): This one; return only common_ann.
5283 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
5286 2006-09-11 Geoffrey Keating <geoffk@apple.com>
5288 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
5289 with_cpu by default.
5291 * dwarf2out.c (dwarf_file_data): New.
5292 (enum dw_val_class): Add dw_val_class_file.
5293 (struct dw_val_struct): Add val_file.
5294 (file_table): Change to a hash table.
5295 (file_table_emitted): Delete.
5296 (file_table_last_lookup_index): Delete.
5297 (emitcount): Delete.
5298 (last_emitted_file): New.
5299 (lookup_filename): Change prototype to return a struct dwarf_file_data.
5300 (init_file_table): Delete.
5301 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
5302 (AT_addr): Add comment.
5306 (print_die): Handle dw_val_class_file.
5307 (print_dwarf_line_table): Update for new file table structure.
5308 (attr_checksum): Do checksum a filename.
5309 (same_dw_val_p, same_attr_p): Do compare a filename.
5310 (size_of_die): Handle dw_val_class_file.
5311 (value_format): Likewise.
5312 (output_die): Likewise. Also, call maybe_emit_file here.
5313 (struct file_info): Constify filenames. Make file_idx a pointer
5314 to a struct dwarf_file_data.
5315 (struct dir_info): Constify directory names. Remove 'used' field.
5316 (struct file_name_acquire_data): New.
5317 (file_name_acquire): New.
5318 (output_file_names): Modify to handle new file data structures.
5319 (add_src_coords_attributes): Use add_AT_file.
5320 (add_call_src_coords_attributes): Likewise.
5321 (dwarf2out_imported_module_or_decl): Likewise.
5322 (gen_subprogram_die): Modify for new file data structures.
5323 (gen_variable_die): Likewise.
5324 (file_table_eq): New.
5325 (file_table_hash): New.
5326 (file_table_last_lookup): New.
5327 (lookup_filename): Rewrite to handle new file data structures.
5328 (maybe_emit_file): Rewrite to handle new file data structures.
5329 (dwarf2out_source_line): Always call lookup_filename and
5331 (dwarf2out_init): Create file_table here.
5332 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
5333 (file_table_relative_p): New.
5334 (dwarf2out_finish): Change detection of relative filenames
5335 to work with new file data structures. Move output_line_info call
5336 after debug_info output.
5338 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
5343 * config/i386/i386.c (override_options): Always default to 16
5344 byte stack boundary.
5346 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
5349 * var-tracking.c (dump_dataflow_set): Start dumping at
5351 (clobber_variable_part): Kill only the variable part in
5352 registers holding it, leaving other variables alone.
5354 2006-09-11 Josh Triplett <josh@freedesktop.org>
5356 * doc/extend.texi (Other Builtins): Actually use the macro
5357 argument in the documentation example for
5358 __builtin_types_compatible_p.
5360 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5362 PR rtl-optimization/28726
5363 * sched-deps.c (sched_analyze_reg): New function extracted from...
5364 (sched_analyze_1): ...here. Call it to analyze references to
5365 registers. Treat again writes to a stack register as writing to the
5367 (sched_analyze_2): ...and here. Call it to analyze references to
5368 registers. Treat again reads of a stack register as reading the
5371 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
5372 David Edelsohn <edelsohn@gnu.org>
5375 * config/rs6000/spe.md (frob_df_di): Remove %H.
5376 (frob_di_df): Remove %H. Change evmergelo to mr.
5377 (frob_di_df_2): Remove %H. Change evldd to two loads.
5379 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
5381 * doc/cpp.texi: Fix names of charset options.
5383 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
5386 * config/i386/i386.c (override_options): Use 128-bit
5387 stack boundary always for 64bits.
5389 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5391 PR rtl-optimization/28636
5392 * combine.c (force_to_mode): Test for side-effects before
5393 substituting by zero.
5394 (simplify_shift_const): Likewise for zero or other constants.
5396 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
5399 * builtins.c (expand_builtin_setjmp): Force next_lab to be
5402 2006-09-10 Richard Sandiford <richard@codesourcery.com>
5405 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
5406 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
5407 returned by mode_for_size, rather than the mode of src itself,
5408 to choose between 32-bit and 64-bit patterns.
5409 (mips_mem_fits_mode_p): New function.
5410 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
5411 that the size of the source matches the size of the destination.
5412 (mov_<store>l, mov_<store>r): Likewise.
5414 2006-09-10 Eric Christopher <echristo@apple.com>
5416 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
5419 2006-09-09 Eric Christopher <echristo@apple.com>
5422 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
5425 2006-09-09 Roger Sayle <roger@eyesopen.com>
5426 Nicolas Setton <setton@adacore.com>
5428 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
5430 2006-09-10 Andreas Schwab <schwab@suse.de>
5432 * config/m68k/m68k.md (bungt_rev): New pattern.
5434 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
5435 Dale Johannesen <dalej@apple.com>
5438 * regclass.c (struct reg_pref): Update documentation.
5439 (regclass): Set prefclass to NO_REGS if memory is the best option.
5440 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5442 2006-09-08 Eric Christopher <echristo@apple.com>
5444 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
5445 * config/t-slibgcc-darwin: Support x86_64 multilib.
5446 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
5447 Return 1 for x86_64-darwin.
5448 * config/i386/t-darwin: Add m64 multilib.
5449 (LIB2_SIDITI_CONV_FUNCS): Use.
5450 (LIB2FUNCS_EXTRA): Ditto.
5451 * config/i386/darwin.h: Support x86_64.
5452 * config/i386/i386.c (override_options): Turn on flag_pic
5453 for x86_64-darwin. Disable flag_omit_pointer.
5454 (get_pc_thunk_name): Assert !TARGET_64BIT.
5455 (legitimate_address_p): Disable machopic addressing for
5457 (legitimize_pic_address): Ditto.
5458 (ix86_expand_move): Ditto.
5459 (ix86_expand_call): Ditto.
5460 (machopic_output_stub): Ditto.
5461 * config/darwin.c (machopic_select_section): Support literal16.
5462 (machopic_select_rtx_section): Ditto.
5463 * config/darwin-sections.def: Ditto.
5464 * config/darwin-64.c: New.
5466 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
5469 * c-tree.h (struct c_arg_info): Add pending_sizes.
5470 * c-parser.c (c_parser_parms_declarator,
5471 c_parser_parms_list_declarator): Initialize pending_sizes.
5472 * c-decl.c (get_parm_info): Initialize pending_sizes.
5473 (get_parm_info): Set pending_sizes.
5474 (grokdeclarator): Call put_pending_sizes for parameters for
5475 function definition only.
5477 2006-09-07 Jason Merrill <jason@redhat.com>
5480 * varasm.c (output_constant): Only strip actual no-op conversions.
5483 * config/i386/i386.c (override_options): Use 128-bit
5484 stack boundary if -msse.
5486 2006-09-07 Eric Christopher <echristo@apple.com>
5488 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
5490 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
5493 2006-09-07 Geoffrey Keating <geoffk@apple.com>
5495 * dwarf2out.c: Remove strange characters from comment above
5496 dwarf2out_frame_debug_expr.
5498 2006-09-07 Eric Christopher <echristo@apple.com>
5500 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
5501 * config/darwin.h: ... to here.
5503 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
5505 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
5507 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
5508 (TARGET_PARTIAL_FLAG_REG_STALL): New.
5510 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
5511 TARGET_PARTIAL_FLAG_REG_STALL.
5512 (*ashldi3_cconly_rex64): Likewise.
5513 (*ashlsi3_cmp): Likewise.
5514 (*ashlsi3_cconly): Likewise.
5515 (*ashlsi3_cmp_zext): Likewise.
5516 (*ashlhi3_cmp): Likewise.
5517 (*ashlhi3_cconly): Likewise.
5518 (*ashlqi3_cmp): Likewise.
5519 (*ashlqi3_cconly): Likewise.
5520 (*ashrdi3_cmp_rex64): Likewise.
5521 (*ashrdi3_cconly_rex64): Likewise.
5522 (*ashrsi3_cmp): Likewise.
5523 (*ashrsi3_cconly): Likewise.
5524 (*ashrsi3_cmp_zext): Likewise.
5525 (*ashrhi3_cmp): Likewise.
5526 (*ashrhi3_cconly): Likewise.
5527 (*ashrqi3_cmp): Likewise.
5528 (*ashrqi3_cconly): Likewise.
5529 (*lshrdi3_cmp_rex64): Likewise.
5530 (*lshrdi3_cconly_rex64): Likewise.
5531 (*lshrsi3_cmp): Likewise.
5532 (*lshrsi3_cconly): Likewise.
5533 (*lshrsi3_cmp_zext): Likewise.
5534 (*lshrhi3_cmp): Likewise.
5535 (*lshrhi3_cconly): Likewise.
5536 (*lshrqi2_cmp): Likewise.
5537 (*lshrqi2_cconly): Likewise.
5539 2006-09-07 Uros Bizjak <uros@kss-loka.si>
5542 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
5543 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
5544 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
5545 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
5546 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
5547 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
5548 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
5549 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
5550 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
5551 implement only CC setting effects of shift instructions.
5553 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
5555 * doc/contrib.texi: Add myself.
5557 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
5560 * stor-layout.c (relayout_decl): Don't zero the alignment if it
5561 was set by the user.
5563 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
5566 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
5567 (divsi_inv_m1): Use them.
5568 (UNSPEC_DIV_INV_TABLE): New constant.
5570 2006-09-06 James E Wilson <wilson@specifix.com>
5573 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
5574 then call count_or_remove_death_notes.
5576 2006-09-06 Jason Merrill <jason@redhat.com>
5579 * tree-inline.c (copy_result_decl_to_var): New fn.
5580 (declare_return_variable): Use it. Call declare_inline_vars here.
5581 (expand_call_inline): Not here.
5583 2006-09-06 Diego Novillo <dnovillo@redhat.com>
5585 * doc/contrib.texi: Update my entry.
5587 2006-09-06 Nick Clifton <nickc@redhat.com>
5589 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
5591 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5594 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
5595 (canonicalize_induction_variables): Likewise.
5596 (tree_unroll_loops_completely): Likewise.
5597 (tree_ssa_prefetch_arrays): Likewise.
5598 (remove_empty_loops): Likewise.
5599 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
5600 TODO_cleanup_cfg instead of directly calling
5601 cleanup_tree_cfg_loop.
5602 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
5604 (tree_unroll_loops_completely): Likewise.
5605 (remove_empty_loops): Likewise.
5606 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
5607 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
5608 of tree_ssa_unswitch_loops.
5609 (tree_ssa_loop_ivcanon): Use the return value of
5610 canonicalize_induction_variables.
5611 (tree_ssa_empty_loop): Use the return value of
5613 (tree_complete_unroll): Use the return value of
5614 tree_unroll_loops_completely.
5615 (tree_ssa_loop_prefetch): Use the return value of
5616 tree_ssa_prefetch_arrays.
5617 * passes.c (execute_todo): Before Cleanup CFG, set
5618 updating_used_alone and after cleanup CFG, call
5619 recalculate_used_alone.
5621 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5624 * tree-vect-transform.c (vectorizable_condition): Move the check
5625 for the type after the check for simple condition.
5627 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
5628 Kaz Kojima <kkojima@gcc.gnu.org>
5631 * mode-switching.c (optimize_mode_switching): Make the destination
5632 block of an abnormal edge have no anticipatable mode. Don't
5633 insert mode switching code at the end of the source block of
5636 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
5638 PR rtl-optimization/26847
5639 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
5640 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
5641 (simplify_plus_minus): Count n_constants while filling ops. Replace
5642 qsort with insertion sort. Before going through the array to simplify
5643 pairs, sort it. Delay early exit until after the first sort, exiting
5644 only if no swaps occurred. Simplify pairs in reversed order, without
5645 special-casing the first iteration. Pack ops after simplifying pairs.
5647 2006-09-05 Anatoly Sokolov <aesok@post.ru>
5649 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
5650 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5651 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5652 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
5654 2006-09-05 Richard Guenther <rguenther@suse.de>
5656 PR tree-optimization/28900
5657 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
5658 compound conditional before creating COND_EXPR condition.
5660 2006-09-05 Richard Guenther <rguenther@suse.de>
5662 PR tree-optimization/28905
5663 * tree-vrp.c (fix_equivalence_set): Manually implement
5664 !value_ranges_intersect_p to also handle symbolic ranges.
5666 2006-09-05 Richard Guenther <rguenther@suse.de>
5669 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
5672 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5674 PR rtl-optimization/27616
5675 * cse.c (table_size): New static variable.
5676 (new_basic_block): Initialize it to 0.
5677 (remove_from_table): Decrement it.
5678 (insert): Increment it.
5679 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
5680 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
5681 fold_rtx_mem_1 if under the cap.
5682 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
5683 the lookup of the equivalent expression and test for equality of the
5684 first operand of the equivalent expression before in turn looking up
5685 an equivalent constant for the second operand.
5687 2006-09-02 Geoffrey Keating <geoffk@apple.com>
5690 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5691 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5692 pointer, instead of assuming it is possible to derive the
5693 correct args size from a call insn.
5695 2006-09-02 Jakub Jelinek <jakub@redhat.com>
5698 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
5699 (fold_builtin_mempcpy): Rename to...
5700 (fold_builtin_memory_op): ... this. Optimize one element copy
5702 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
5704 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
5705 (expand_builtin_memcpy, expand_builtin_mempcpy,
5706 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
5707 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
5708 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
5709 BUILT_IN_MEM{CPY,PCPY,MOVE}.
5711 2006-09-01 DJ Delorie <dj@redhat.com>
5713 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
5714 (stzx_16): Likewise.
5715 ("stzx_24_<mode>"): Likewise.
5716 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
5717 ("cmp<mode>_op"): New.
5718 (cmp<mode>): Change to expander; just save operands.
5720 (b<code>): Change to expander, emit compare here.
5721 (s<code>_op): Change to use split and expander.
5722 (s<code>_24_op): Likewise.
5723 (s<code>_<mode>): New.
5724 (s<code>_<mode>_24): New.
5725 (movqicc_<code>_<mode): New.
5726 (movhicc_<code>_<mode>): New.
5729 * config/m32c/m32c.c (compare_op0, compare_op1): New.
5730 (m32c_pend_compare): New.
5731 (m32c_unpend_compare): New.
5732 (m32c_expand_scc): New.
5733 (m32c_expand_movcc): Emit the compare also.
5734 * config/m32c/predicates.md (mra_nopp_operand): New.
5736 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
5737 Richard Guenther <rguenther@suse.de>
5738 Adam Nemet <anemet@caviumnetworks.com>
5741 * builtins.c (get_pointer_alignment): Handle more forms
5742 of base addresses that can be used to derive more precise
5743 information about alignment.
5745 2006-09-01 Jason Merrill <jason@redhat.com>
5748 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
5751 * gimplify.c (voidify_wrapper_expr): Handle null type.
5753 2006-09-01 Josh Conner <jconner@apple.com>
5756 * tree-nrv.c (dest_safe_for_nrv_p): New function.
5757 (execute_return_slot_opt): Use it.
5759 2006-08-31 Josh Conner <jconner@apple.com>
5762 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
5763 returning aggregates.
5765 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
5767 PR tree-optimization/28839
5768 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
5769 blocks in that phi arguments appear.
5771 2006-08-31 Roger Sayle <roger@eyesopen.com>
5774 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
5775 NULL, otherwise use an advance_loc4 to adjust relative to the
5777 (output_cfi) <DW_CFA_set_loc>: Update the current label.
5778 (dwarf2out_switch_text_section): Reset the current label to avoid
5779 using advance_loc4 over section boundaries.
5781 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
5784 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
5785 r12 + SYMBOLIC_CONST.
5787 2006-08-30 Richard Guenther <rguenther@suse.de>
5789 * Makefile.in (see.o): Add $(EXPR_H) dependency.
5791 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
5793 PR rtl-optimization/27735
5794 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
5795 Add new argument to keep track of whether an irreducible region
5796 was affected. All callers changed.
5797 (fix_irreducible_loops): Removed.
5798 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
5799 flags were invalidated.
5801 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
5803 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
5804 instead of SF operands.
5805 (*fop_df_comm_sse): Likewise.
5806 (*fop_df_comm_i387): Likewise.
5807 (*fop_df_1_mixed): Likewise.
5808 (*fop_df_1_sse): Likewise.
5810 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
5811 J"orn Rennecke <joern.rennecke@st.com>
5813 PR tree-optimization/17506
5814 * tree-ssa.c (warn_uninit): If warning about a location outside of
5815 the current function, note where the variable was declared.
5817 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
5819 PR tree-optimization/28411
5820 * double-int.c (double_int_div): Use double_int_divmod.
5821 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
5822 double_int_mod, double_int_smod, double_int_umod): New functions.
5823 * double-int.h (double_int_divmod, double_int_sdivmod,
5824 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
5826 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
5828 (get_computation_aff, get_computation_cost_at): Handle double_int
5829 return type of constant_multiple_of.
5831 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
5834 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
5835 an implicit conversion.
5837 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
5839 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
5841 2006-08-27 Roger Sayle <roger@eyesopen.com>
5843 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
5846 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
5848 * config/i386/crtfastmath.c: Fix a comment typo.
5850 2006-08-26 Roger Sayle <roger@eyesopen.com>
5852 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
5853 temporary visit flags on CASE_LABEL_EXPRs.
5854 * c-common.c (match_case_to_enum): Add function comment. Avoid
5855 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
5856 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
5857 CASE_HIGH_SEEN for enumerated types. If the switch expression is
5858 a constant, only warn if that constant value isn't handled.
5860 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
5863 * input.h (restore_input_file_stack): Declare.
5864 (INPUT_FILE_STACK_BITS): Define.
5865 * toplev.c (fs_p, input_file_stack_history,
5866 input_file_stack_restored, restore_input_file_stack): New.
5867 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
5868 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
5869 (pop_srcloc): Don't free old state of stack.
5871 2006-08-26 David Edelsohn <edelsohn@gnu.org>
5874 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
5875 (PowerPC Type Attributes): New.
5877 2006-08-26 Bob Wilson <bob.wilson@acm.org>
5879 * config/xtensa/xtensa.c (function_arg_boundary): New.
5880 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
5882 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
5883 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
5885 2006-08-26 Jakub Jelinek <jakub@redhat.com>
5888 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
5891 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5893 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
5894 (verify_local_live_at_start): Likewise.
5896 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5899 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
5900 omp_add_variable): Treat sizes as variable whenever not
5903 2006-08-26 Richard Guenther <rguenther@suse.de>
5906 * fold-const.c (fold_binary): Fold temporary to correct
5907 type before constructing new comparison.
5909 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
5912 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
5913 variable again if DECL_SEEN_IN_BIND_EXPR_P.
5915 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5918 * c-decl.c (start_function): Don't try to process prototype
5919 information from old declaration that isn't a function.
5921 2006-08-25 Jan Hubicka <jh@suse.cz>
5924 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
5926 2006-08-25 Alan Modra <amodra@bigpond.net.au>
5929 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
5932 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
5934 PR tree-optimization/16876
5935 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
5936 exit if PARM doesn't match VALUE.
5938 2006-08-25 Bob Wilson <bob.wilson@acm.org>
5940 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
5941 literal_prefix directive.
5942 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
5943 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5944 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5946 2006-08-25 David Edelsohn <edelsohn@gnu.org>
5949 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
5950 predicate to general_operand. Add 0->y and I->r alternatives.
5952 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
5954 * doc/tm.texi: Fix a typo.
5955 * predict.c: Fix comment typos.
5957 2006-08-25 Nick Clifton <nickc@redhat.com>
5959 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
5960 assertions of "cpu" and "machine".
5962 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
5965 * tree-ssa-operands.c (access_can_touch_variable): Don't say
5966 the access through a base which has an alias set of 0 cannot
5969 2006-08-24 Bill Wendling <wendling@apple.com>
5971 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
5973 2006-08-24 Jan Hubicka <jh@suse.cz>
5975 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
5977 2006-08-24 Jan Hubicka <jh@suse.cz>
5980 * cgraph.c: Fix comments.
5981 (cgraph_varpool_mark_needed_node): Mark only variables not already
5983 * cgraphunit.c: Update comments; include gt-cgraphunit.h
5984 (cgraph_varpool_assembled_nodes_queue): New static variable.
5985 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
5986 (cgraph_varpool_output_debug_info): New function.
5987 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
5988 * Makefile.in: Add gt-cgraphunit.h
5990 2006-08-24 Jan Hubicka <jh@suse.cz>
5992 * predict.c (probability_reliable_p): New predicate.
5993 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
5994 (predict_loops): Do not predict loop exit with less than 2%
5996 * basic-block.h (edge_probability_reliable_p,
5997 br_prob_note_reliable_p): Declare.
5998 * ia64.h (ia64_print_operand): Do not disable on-chip branch
5999 prediction when static predictor is not reliable.
6000 * rs6000.c (output_cbranch): Likewise.
6002 2006-08-23 Stuart Hastings <stuart@apple.com>
6005 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
6006 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
6008 2006-08-21 Geoffrey Keating <geoffk@apple.com>
6011 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
6012 complex values, nor for generic vector values.
6014 2006-08-22 Richard Guenther <rguenther@suse.de>
6017 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
6018 parameter. Convert arguments to arithmetic expression to the
6020 (analyze_scalar_evolution_1): Adjust caller.
6022 2006-08-22 Jan Hubicka <jh@suse.cz>
6024 Patch by Paolo Bonzini
6025 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
6028 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
6030 PR tree-optimization/28003
6031 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
6032 before grouping aliases.
6034 2006-08-22 Roger Sayle <roger@eyesopen.com>
6036 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
6037 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
6039 2006-08-21 Jason Merrill <jason@redhat.com>
6042 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
6043 wrapper. Loop to handle nested wrappers.
6044 (gimplify_bind_expr): Remove temp parameter.
6045 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
6046 and STATEMENT_LIST on the rhs.
6047 (gimplify_statement_list): Voidify the STATEMENT_LIST.
6048 (gimplify_expr): Pass pre_p to gimplify_statement_list.
6049 (gimplify_target_expr): Remove special BIND_EXPR handling.
6051 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
6053 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
6056 2006-08-21 Olivier Hainque <hainque@adacore.com>
6058 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
6059 Arrange for the temporary captures of components overlapping the lhs
6060 to happen before the lhs is possibly cleared.
6062 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
6064 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
6065 necessary places to pass the correct "number of registers" values
6068 2006-08-20 Jan Hubicka <jh@suse.cz>
6070 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
6071 (create_name_tags): Instead of quadratic checking use hashtable.
6072 * bitmap.h: Include hashtab.h.
6073 (bitmap_hash): Declare.
6074 * bitmap.c (bitmap_hash): New function.
6076 2006-08-20 Jan Hubicka <jh@suse.cz>
6078 PR rtl-optimization/28071
6079 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
6081 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
6082 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
6083 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
6084 cgraph_decide_inlining_incrementally): Update use of
6085 cgraph_check_inline_limits.
6086 * cgraph.c (edge_hash, edge_eq): New function.
6087 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
6088 cgraph_edge_remove_caller, cgraph_node_remove_callees,
6089 cgraph_remove_node): Maintain call site hash.
6090 * cgraph.h (struct cgraph_node): Add call_site_hash.
6091 (cgraph_set_call_stmt): New function.
6093 2006-08-20 Jan Hubicka <jh@suse.cz>
6095 PR rtl-optimization/28071
6096 * reload1.c (reg_has_output_reload): Turn into regset.
6097 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
6098 choose_reload_regs, emit_reload_insns): Update to new
6099 reg_has_output_reload.
6101 2006-08-20 Jan Hubicka <jh@suse.cz>
6104 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
6105 function body sizes.
6106 * cgraphunit.c (cgraph_analyze_function): Don't do so.
6108 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
6111 * tree.c (handle_dll_attribute): Return early if not a
6112 var or function decl.
6114 2006-08-18 Joseph Myers <joseph@codesourcery.com>
6117 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
6118 alignment of SPE vector types.
6120 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
6122 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
6124 2006-08-17 Jakub Jelinek <jakub@redhat.com>
6127 * cgraph.h (struct cgraph_node): Remove externally_visible
6129 * cgraphunit.c (process_function_and_variable_attributes): Set
6130 local.externally_visible rather than externally_visible.
6133 * c-common.c (handle_externally_visible_attribute): First look
6134 at TREE_CODE and only if it is function or var decl, check for
6135 non-public objects. Don't warn for DECL_EXTERNAL.
6136 * cgraphunit.c (process_function_and_variable_attributes): Warn
6137 if externally_visible attribute is used on non-public object.
6139 2006-08-17 Jan Hubicka <jh@suse.cz>
6141 PR tree-optimization/27865
6142 * reload1.c (forget_marked_reloads): New function.
6143 (forget_old_reloads_1): When data are passed, just mark the registers
6145 (reload_as_needed): Use the new mechanizm.
6147 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
6150 * reload.h (reg_equiv_alt_mem_list): New declaration.
6151 * reload1.c (reg_equiv_alt_mem_list): New definition.
6152 (reload): Initialize it and release it.
6153 (delete_output_reload): Use it.
6154 * reload.c (push_reg_equiv_alt_mem): New function.
6155 (find_reloads_toplev): Call it.
6156 (find_reloads_address, find_reloads_address_1): Likewise.
6157 (find_reloads_subreg_address): Likewise.
6159 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6161 PR rtl-optimization/28489
6162 * sched-ebb.c (begin_schedule_ready): Create basic block
6164 (advance_target_bb): Skip empty blocks.
6165 * haifa-sched.c (bb_note): Make global.
6166 * sched-int.h (bb_note): Add prototype.
6168 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6170 PR tree-optimization/27865
6171 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
6173 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
6174 fold_used_pointer, pointer_used_p): New functions.
6175 (analyze_scalar_evolution_1): Use fold_used_pointer.
6176 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
6177 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
6180 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
6183 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
6184 or the INTEGER_CST. Fail on a CALL_EXPR.
6185 (fold_offsetof): Pass new argument to fold_offsetof_1.
6186 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
6187 operand into an INDIRECT_REF.
6188 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
6190 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6192 PR gcov/profile/26570
6193 * value-prof.c (static_values): Removed.
6194 (tree_find_values_to_profile): Do not set static_values.
6195 (find_values_to_profile): Do not free static_values.
6196 * profile.c (instrument_values): Do not free the values.
6197 (branch_prob): Free the values.
6199 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
6201 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
6203 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
6206 * c-typeck.c (build_component_ref): Combine qualifiers of
6207 structure or union and field.
6209 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6211 PR rtl-optimization/28071
6212 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
6213 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
6214 * tree-into-ssa.c (struct dom_dfsnum): New.
6215 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
6217 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
6218 compute_global_livein.
6219 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
6220 in phi nodes in the correct blocks.
6222 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6224 PR tree-optimization/28364
6225 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
6227 (fold_affine_expr): New function.
6228 (may_eliminate_iv): Use fold_affine_expr.
6230 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6233 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
6236 2006-08-16 Mike Stump <mrs@apple.com>
6238 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
6239 * doc/cppopts.texi (-MD): Likewise.
6241 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
6244 * c-common.c (handle_weak_attribute): Ignore and warn if
6245 not a FUNCTION_ or VAR_DECL.
6247 2006-07-15 Mike Stump <mrs@apple.com>
6250 * c-parser.c (c_parser_typeof_specifier): Don't use
6251 c_finish_expr_stmt, open code desired semantics instead.
6253 2006-08-15 Nick Clifton <nickc@redhat.com>
6255 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
6256 fragment to tmake_file only if threads are enabled.
6257 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
6258 * config/i386/t-gthr-win32: New file. ... here.
6260 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6263 * c-parser.c (c_parser_compound_statement_nostart): Reset
6264 parser->error after each statement.
6266 2006-08-15 Jakub Jelinek <jakub@redhat.com>
6269 * omp-low.c (lower_omp_parallel): Convert t to
6270 receiver_decl's type.
6271 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
6272 source before comparison.
6275 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
6276 to itype in assignment to oldival2.
6278 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
6282 * c-typeck.c (build_compound_expr): If the second expression
6283 is an error mark, then just return an error mark instead of
6284 creating a COMPOUND_EXPR.
6286 2006-07-14 Mike Stump <mrs@apple.com>
6288 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
6290 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
6292 * c-decl.c, var-tracking.c: Fix comment typos.
6294 2006-08-14 Richard Sandiford <richard@codesourcery.com>
6296 PR rtl-optimization/28634
6297 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
6298 for floating-point modes unless flag_unsafe_math_optimizations.
6300 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
6301 Andrew Pinski <pinskia@physics.uc.edu>
6304 * tree.c (build_array_type): Unify array types with
6305 unspecified index_type.
6306 * c-decl.c (grokdeclarator): Make sure we do not modify a
6307 unified incomplete array type.
6308 * c-typeck.c (store_init_value): Create distinct type before
6309 filling in the index type in an initializer from a compound
6312 * c-decl.c (grokdeclarator): Remove code where we copy the
6315 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
6317 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
6318 into account for TODO_dump_cgraph.
6319 (TODO_update_ssa_no_phi): Likewise.
6320 (TODO_update_ssa_full_phi): Likewise.
6321 (TODO_update_ssa_only_virtuals): Likewise.
6322 (TODO_remove_unused_locals): Likewise.
6323 (TODO_set_props): Likewise.
6324 (TODO_update_stmt_usage): Likewise.
6326 2006-08-13 Dirk Mueller <dmueller@suse.de>
6328 * c-common.c (strict_aliasing_warning): Fix formatting.
6330 2006-08-13 Matthias Klose <doko@debian.org>
6332 * doc/invoke.texi: Fix spelling errors.
6334 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6336 PR rtl-optimization/23454
6337 * reorg.c (relax_delay_slots): Update comment.
6339 2006-08-11 Richard Guenther <rguenther@suse.de>
6342 * simplify-rtx.c (simplify_const_relational_operation):
6343 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
6346 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
6348 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
6349 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
6351 2006-08-10 Paul Brook <paul@codesourcery.com>
6353 * final.c (final_scan_insn): Clear current_insn_predicate before
6354 outputting inline asm.
6356 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
6358 PR tree-optimization/26197
6359 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
6360 get_ref_base_and_extent and overlap_subvar to add only relevant
6361 subvars as may-aliases.
6362 (add_may_alias_for_new_tag): New function, factored out of
6364 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
6365 with additional argument.
6366 * tree-flow.h (new_type_alias): Takes additional argument.
6368 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
6370 * gcov.c (no_data_file): New flag.
6371 (read_count_file): Set it if data file not present. Assume counts
6373 (output_lines): Don't name the data file, if there wasn't one.
6375 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
6377 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
6378 (rs6000_generate_compare): Tweak comments.
6379 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
6381 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
6383 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
6384 (var_debug_decl): New function.
6385 (var_reg_set): Follow debug decl link. Add location even if
6386 reg is already known to hold some other variable.
6387 (var_mem_set): Follow debug decl link.
6388 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
6389 decl link. Delete other known locations of the variable part
6391 (var_reg_delete, var_mem_delete): Delete other known locations
6392 of the variable part if requested.
6393 (same_variable_part_p): New function.
6394 (add_stores): Select MO_COPY when appropriate.
6395 (vt_initialize): Handle it.
6396 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
6397 known locations for MO_SET and MO_CLOBBER.
6398 (find_variable_location_part): New function.
6399 (set_variable_part, delete_variable_part): Use it.
6400 (clobber_variable_part): New function.
6401 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
6404 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
6406 PR tree-optimization/26969
6407 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
6408 with an empty list of PHIs.
6410 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
6414 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
6417 2006-08-06 Andreas Schwab <schwab@suse.de>
6419 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
6420 string. Whitespace and comment fixup.
6422 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6425 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
6429 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
6432 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
6434 2006-08-04 Jan Hubicka <jh@suse.cz>
6438 * reload.c (push_reload): Patch out the mismatching instruction;
6440 (find_reload): Bail out if the instruction was patched out.
6442 2006-08-04 Jan Hubicka <jh@suse.cz>
6444 PR tree-optimization/24888
6445 * tree-inline.c (expand_call_inline): Do not re-record variables.
6446 (declare_inline_vars): Add variable to unexpanded_var_list.
6448 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6449 Roger Sayle <roger@eyesopen.com>
6451 PR rtl-optimization/26244
6452 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
6453 inner_const are negative or greater than or equal to the bitsize of
6454 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
6455 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
6456 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
6457 CONST0_RTX (mode) when the new shift count is greater than or equal to
6458 to the bitsize of the object being shifted and XEXP (y, 0) has no side
6461 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
6463 * tree-cfg.c: Fix a comment typo.
6465 2006-08-03 Mark Mitchell <mark@codesourcery.com>
6468 * varasm.c (output_constant): Give the front end another chance to
6469 expand constants, after stripping NOPs.
6471 2006-08-03 Jan Hubicka <jh@suse.cz>
6473 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
6476 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
6478 PR tree-optimization/27770
6479 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
6480 declaration removed (moved to tree-flow.h).
6481 (vect_can_force_dr_alignment_p): Likewise.
6482 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
6483 (moved from tree-vectorizer.h).
6484 (vect_can_force_dr_alignment_p): Likewise.
6485 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
6486 from outside the vectorizer - in particular from cgraph stage.
6487 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
6488 the alignment of global arrays when -fsection-anchors is enabled.
6489 * cgraphunit.c (cgraph_increase_alignment): New function.
6490 (cgraph_optimize): Call cgraph_increase_alignment.
6492 2006-08-03 David Edelsohn <edelsohn@gnu.org>
6495 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
6496 not reload a SPE symbol_ref into a lo_sum address.
6498 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
6501 * dwarf2out.c (prune_unused_types_prune): Move call to
6502 prune_unused_types_update_strings to cover the parent DIE also.
6504 2006-08-02 Jan Hubicka <jh@suse.cz>
6506 PR gcov/profile/28480
6507 * tree-cfg.c (change_bb_for_stmt): New function.
6508 (tree_merge_blocks, tree_split_blocks): Use it.
6510 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6516 * toplev.c (compile_file): Return early on errorcount or sorrycount.
6517 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
6518 (cgraph_optimize): Likewise.
6520 2006-08-01 Stuart Hastings <stuart@apple.com>
6522 * rtl.h (UINTVAL) New.
6523 * config/rs6000/rs6000.c (SMALL_INT) Use it.
6524 * testsuite/gcc.dg/20060801-1.c: New.
6526 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
6529 * c-typeck.c (build_external_type): Mark used enum types.
6530 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
6532 (gen_subprogram_die): Whitespace fix.
6534 2006-08-01 Jan Hubicka <jh@suse.cz>
6536 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
6537 bitmap when not needed.
6538 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
6541 2006-08-01 Dirk Mueller <dmueller@suse.de>
6543 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
6545 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6547 * Makefile.in: Revert part of previous patch:
6548 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
6551 2006-07-30 Eric Christopher <echristo@apple.com>
6554 * doc/extend.texi (i386 Variable Attributes): Add anchor.
6555 (PowerPC Variable Attributes): New section.
6557 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
6559 PR target/28126 (partial fix)
6560 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
6562 2006-07-28 Jan Hubicka <jh@suse.cz>
6564 PR rtl-optimization/28071
6565 * cfgrtl.c (rtl_delete_block): Free regsets.
6566 * flow.c (allocate_bb_life_data): Re-use regsets if available.
6568 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6570 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
6571 and variables used in dependencies.
6573 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
6575 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
6576 %fs for -mcmodel=kernel.
6577 (stack_tls_protect_test_di): Likewise.
6579 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
6581 * Makefile.in: Use mkinstalldirs.
6583 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
6586 * opts-common.c (prune_options): Skip joined switches.
6588 2006-07-27 Jan Hubicka <jh@suse.cz>
6590 PR rtl-optimization/28071
6591 * cselib.c (cselib_process_insn): Don't remove useless values too
6592 often for very large hashtables.
6594 2006-07-27 Jan Hubicka <jh@suse.cz>
6596 PR rtl-optimization/28071
6597 * global.c (greg_obstack): New obstack.
6598 (allocate_bb_info): Use it.
6599 (free_bb_info): Likewise.
6600 (modify_reg_pav): Likewise.
6602 2006-07-27 Roger Sayle <roger@eyesopen.com>
6604 * builtins.c (fold_fixed_mathfn): When long and long long are the
6605 same size, canonicalize llceil*, llfloor*, llround* and llrint*
6606 functions to their lceil*, lfloor*, lround* and lrint* forms.
6608 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6611 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
6613 (rev_branch_insn): Likewise.
6615 2006-07-27 Jan Hubicka <jh@suse.cz>
6617 PR rtl-optimization/28071
6618 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
6619 (reg_set_in_bb, max_reg_computed): New static variables.
6620 (regmove_optimize): Free the new array.
6621 (fixup_match_1): Update call of reg_is_remote_constant_p.
6623 2006-07-26 Jan Hubicka <jh@suse.cz>
6625 PR tree-optimization/27882
6626 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
6628 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
6630 (cgraph_analyze_compilation_unit): Likewise.
6631 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
6632 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
6633 (cgraph_early_inlinine): Make order garbage collected.
6634 * Makefile.in (gt-ipa-inline): New garbagecollected file.
6636 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6638 * dbxout.c (output_types_sort): Add a comment.
6639 (output_used_types): Free the VEC.
6641 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6643 * function.c (reorder_fix_fragments): Delete.
6644 (reorder_blocks): Don't call it.
6645 (reorder_blocks_1): Put all subblocks under the origin block.
6647 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
6649 PR rtl-optimization/27907
6650 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
6653 2006-07-25 Roger Sayle <roger@eyesopen.com>
6656 * convert.c (convert_to_integer): When transforming (T)foo(x) into
6657 bar(x) check that bar's result type can represent all the values of T.
6659 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
6661 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
6663 2006-07-25 Nick Clifton <nickc@redhat.com>
6665 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
6666 size_lookup[] array.
6667 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
6668 (ggc_pch_count_object): Likewise.
6669 (ggc_pch_alloc_object): Likewise.
6670 (ggc_pch_write_object): Likewise.
6671 (init_ggc): Do not attempt to initialize entries in the
6672 size_lookup[] array for objects whose size is greater than than
6673 the length of the array.
6675 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
6677 * dbxout.c (output_used_types_helper): Push queued types
6679 (output_types_sort): New.
6680 (output_used_types): Collect used types on a VEC and sort them
6683 2006-07-24 Richard Guenther <rguenther@suse.de>
6686 * cgraph.c (cgraph_remove_node): Do not check if dumps
6688 * cgraphunit.c (cgraph_optimize): Likewise.
6690 2006-07-24 Jan Hubicka <jh@suse.cz>
6692 PR rtl-optimization/28071
6693 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
6694 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
6695 splitting before first stmt.
6697 2006-07-24 Jan Hubicka <jh@suse.cz>
6699 PR rtl-optimization/28071
6700 * ipa-inline.c (update_caller_keys): Remove edges that
6701 are no longer inline candidates.
6703 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
6706 * dbxout.c (output_used_types_helper, output_used_types): New.
6707 (dbxout_symbol): Call output_used_types.
6709 2006-07-23 Jan Hubicka <jh@suse.cz>
6713 * cgraph.c (cgraph_varpool_nodes): Export.
6714 (decide_is_variable_needed): Ignored "used" attribute in
6715 unit-at-a-time mode.
6716 * cgraph.h (cgraph_varpool_nodes): Declare.
6717 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
6718 unit-at-a-time mode.
6720 2006-07-23 Roger Sayle <roger@eyesopen.com>
6723 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
6724 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
6725 the __gthrw form of thr_keycreate.
6726 (__gthread_key_delete): Silence the unused argument warning.
6728 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
6731 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
6732 Cache the last found '\0' marker to avoid quadratic behavior.
6734 2006-07-23 Jan Hubicka <jh@suse.cz>
6736 * i386.md (subsi_3_zext): Fix output template.
6738 2006-07-21 Mike Stump <mrs@apple.com>
6740 * doc/invoke.texi (C++ Dialect Options): Note that
6741 -fvisibility-inlines-hidden doesn't affect explicitly
6742 instantiationed inline methods.
6744 2006-07-20 Roger Sayle <roger@eyesopen.com>
6746 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
6747 if the target assembler is GNU binutils' gas.
6748 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
6749 whether to pass GNU gas or native as command line options.
6751 2006-07-20 Jason Merrill <jason@redhat.com>
6753 * tree.c (remove_attribute): New fn.
6754 * tree.h: Declare it.
6756 2006-07-20 Paul Brook <paul@codesourcery.com>
6759 * cse.c (cse_insn): Add destination addresses to hash table. Check if
6760 they are invalidated by this instruction.
6762 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
6765 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
6767 2006-07-20 Eric Christopher <echristo@apple.com>
6770 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
6772 2006-07-19 Eric Christopher <echristo@apple.com>
6774 * config/t-slibgcc-darwin (stmp-lipo): Remove.
6775 Rewrite dependencies for libgcc_s.1.dylib.
6777 2006-07-19 Jakub Jelinek <jakub@redhat.com>
6779 * except.c (duplicate_eh_regions_1): Clear next_peer.
6781 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
6783 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
6784 -mlongcall does not guarantee all calls will be long.
6785 * doc/extend.texi (long_call/short_call): Document that longcall
6786 does not guarantee a long call will be used.
6787 (longcall/shortcall): Likewise.
6789 2006-07-18 Roger Sayle <roger@eyesopen.com>
6792 * expmed.c (expand_shift): Additionally check that the shift_cost
6793 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
6794 before implementing a LSHIFT_EXPR as a sequence of additions.
6795 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
6796 middle-end that DImode shifts need to be synthesized by expand.
6798 2006-07-18 Diego Novillo <dnovillo@redhat.com>
6801 * tree-ssa-operands.c (access_can_touch_variable): Update
6803 Return true if ALIAS is .GLOBAL_VAR.
6805 2006-07-18 David Daney <ddaney@avtrex.com>
6807 * gcc.c (display_help): Fix typo in help text.
6809 2006-07-18 Olivier Hainque <hainque@adacore.com>
6811 * tree.h (categorize_ctor_elements): Adjust prototype and add
6812 descriptive comment, both in accordance with the interface change
6814 * varasm.c (constructor_static_from_elts_p): New function.
6815 Whether a constructor node is a valid static constant initializer
6816 if all its elements are.
6817 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
6818 * output.h: Declare it.
6819 * expr.c (categorize_ctor_elements_1): Return whether the constructor
6820 is a valid constant initializer instead of computing the number of
6821 non-constant elements. Use constructor_static_from_elts_p for this
6822 purpose. Replace the head comment with an indication that this is a
6823 helper for categorize_ctor_elements.
6824 (categorize_ctor_elements): Same interface change as for the _1
6825 helper. Former head comment from this helper moved here, adjusted to
6826 account for the interface changes.
6827 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
6828 (all_zeros_p): Likewise.
6829 * gimplify.c (gimplify_init_constructor): Decide whether we can make
6830 static versions of the constructor from the categorize_ctor_elements
6831 return value instead of the formerly computed number of non-constant
6834 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
6836 * configure: Regenerate.
6837 * Makefile.in (build_libsubdir): New configure substitution
6838 (build_libobjdir): New variable.
6839 (BUILD_LIBIBERTY): Use it.
6841 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6844 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
6846 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
6849 * c-common.c (handle_weakref_attribute): Ignore attribute in
6850 the same conditions the alias attribute is ignored.
6852 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
6854 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
6855 (dbxout_begin_prologue): Increment scope_labelno.
6857 2006-07-17 Richard Henderson <rth@redhat.com>
6860 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
6863 2006-07-17 Roger Sayle <roger@eyesopen.com>
6864 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6866 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
6867 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
6868 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
6869 functions such as sbrk, write, etc.. Add function prototypes.
6870 Convert function declarations from K&R to ISO C. Cast pointers
6871 to "long" and "unsigned long" instead of "int" and "unsigned int".
6872 Convert tokens following #endif into comments.
6874 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
6876 * invoke.texi: Remove mention of f77; Reformat table for
6877 inline parameter options correctly; mention that -malign-double
6878 is default on x86-64 targets.
6880 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
6882 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
6883 (convert_affine_scev, chrec_convert_aggressive): Use
6884 avoid_arithmetics_in_type_p. Do not check for the subtypes
6887 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6890 * optabs.c (expand_doubleword_shift): Wrap the call to
6891 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
6893 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6896 * optabs.c (expand_binop): Pass next_methods rather than methods
6897 to expand_doubleword_shift.
6899 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
6902 * tree.h (dump_addr): Declare.
6903 * print-tree.c (dump_addr): New function.
6904 (print_node_brief, print_node): Use it.
6905 * print-rtl.c (print_rtx): Likewise.
6906 * common.opt (-fdump-noaddr): New option.
6907 * doc/invoke.texi (-fdump-noaddr): Document.
6908 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
6909 (ve_info_hash): Likewise.
6911 2006-07-13 Andrew Haley <aph@redhat.com>
6913 PR tree-optimization/19505
6914 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
6915 edge leaving this block, make sure that the destination of this
6916 block has only one predecessor.
6918 2006-07-17 Richard Guenther <rguenther@suse.de>
6920 PR tree-optimization/28238
6921 * tree-inline.c (copy_bb): Check if we produced valid
6922 gimple copying and substituting a stmt. If not, gimplify
6925 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
6927 * optabs.c (maybe_encapsulate_block): New function extracted from...
6928 (emit_libcall_block): ...here. Invoke it on the block of insns to
6929 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
6930 (emit_no_conflict_block): Likewise.
6932 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6934 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
6936 2006-07-15 Roger Sayle <roger@eyesopen.com>
6938 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
6939 a new NOP_EXPR case of the switch statement.
6941 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
6944 * stor-layout.c (place_field): Take the bit field with
6945 an excessive size into account in the ms-bitfiled case.
6948 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
6949 the previous bit field.
6951 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
6954 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
6956 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
6958 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
6959 signal frames correctly even when the signal was installed with
6962 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
6964 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
6965 (dbxout_function_end): Use local label LFBB. Remove hook
6967 (dbxout_source_line): Use local label LFBB.
6968 (dbxout_block): Likewise.
6969 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
6970 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
6971 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
6972 and DBX_OUTPUT_NFUN.
6974 2006-07-13 Janis Johnson <janis187@us.ibm.com>
6976 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
6978 2006-07-13 Jan Hubicka <jh@suse.cz>
6980 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
6982 * output.h (align_variable): Declare.
6983 * varasm.c (align_variable): Export.
6984 * value-prof.c (tree_value_profile_transformations): Recompute iterator
6985 when basic block changed.
6987 2006-07-13 Nick Clifton <nickc@redhat.com>
6989 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
6990 walking the LOG_LINKS chain.
6992 2006-07-12 Geoffrey Keating <geoffk@apple.com>
6994 * doc/invoke.texi (C++ Dialect Options): Explain difference
6995 between -fvisibility-inlines-hidden and setting hidden
6996 visibility explicitly.
6998 2006-07-12 Eric Christopher <echristo@apple.com>
7000 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
7001 (stmp-lipo): Depend on libgcc.a.
7003 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
7005 * tree.c: Fix a comment typo.
7007 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
7009 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
7011 (umulhisi3_r): Likewise.
7013 2006-07-12 Paolo Carlini <pcarlini@suse.de>
7016 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
7017 x < 19, vs wchar_t support.
7019 2006-07-12 Nick Clifton <nickc@redhat.com>
7021 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
7022 instead of -isa=sh4.
7024 2006-07-12 Mike Stump <mrs@apple.com>
7026 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
7028 2006-07-10 Eric Christopher <echristo@apple.com>
7030 * config/t-slibgcc-darwin: Rewrite.
7032 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
7035 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
7038 2006-07-08 Matthias Klose <doko@debian.org>
7040 * doc/sourcebuild.texi: Fix typo.
7042 2006-07-07 Mike Stump <mrs@apple.com>
7044 * toplev.c (process_options): Don't give -ffunction-sections may
7045 affect debugging warning for Mach-O.
7047 2006-07-07 James E Wilson <wilson@specifix.com>
7049 * config/mips/mips.md (cpu): Add sb1a.
7050 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
7051 addition to sb1. Adjust comments to clarify SB-1A differences from
7053 (ir_sb1a_load): New. Modify bypasses to use it.
7054 (ir_sb1a_simple_alu): Likewise.
7055 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
7056 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
7057 (mips_issue_rate): Add PROCESSOR_SB1A.
7058 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
7059 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
7060 (TARGET_SB1): Add PROCESSOR_SB1A check.
7061 (TUNE_SB1): Likewise.
7063 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
7064 * config/mips/mips.c (mips_store_data_bypass_p): New.
7065 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
7066 store_data_bypass_p.
7068 2006-07-08 Paul Brook <paul@codesourcery.com>
7071 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
7073 2006-07-07 Richard Guenther <rguenther@suse.de>
7076 * tree.h (build_one_cst): Declare.
7077 * tree.c (build_one_cst): New function.
7078 * tree-ssa-math-opts.c (get_constant_one): Remove.
7079 (insert_reciprocals): Use build_one_cst.
7080 * fold-const.c (fold_plusminus_mult): Likewise.
7082 2006-07-07 Roger Sayle <roger@eyesopen.com>
7084 * pointer-set.c (pointer_set_destroy): Correct whitespace.
7085 * cfgloopanal.c (dump_graph): Likewise.
7086 * dojump.c (discard_pending_stack_adjust): Likewise.
7087 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
7089 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
7090 * function.c (finalize_block_changes): Likewise.
7091 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
7092 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
7093 * rtl.c (dump_rtx_statistics): Likewise.
7094 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
7096 * varray.c (dump_varray_statistics): Likewise.
7097 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
7098 decode_decimal64, encode_decimal128, decode_decimal128,
7099 decimal_real_to_decimal): Likewise.
7101 2006-07-07 Richard Guenther <rguenther@suse.de>
7103 PR tree-optimization/28187
7104 * tree-vrp.c (vrp_operand_equal_p): New function.
7105 (vrp_bitmap_equal_p): Likewise.
7106 (update_value_range): Use them to compare old and new
7109 2006-07-06 Roger Sayle <roger@eyesopen.com>
7111 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
7112 a default case to switch statement to silence compiler warnings.
7114 2006-07-06 Roger Sayle <roger@eyesopen.com>
7117 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
7118 the configured assembler supports the x87's ffreep mnemonic.
7119 * configure: Regenerate.
7120 * config.in: Regenerate.
7122 * config/i386/i386.c (output_387_ffreep): New function.
7123 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
7124 (output_387_reg_move): Likewise.
7126 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
7128 Port to hosts whose 'sort' and 'tail' implementations
7129 treat operands with leading '+' as file names, as POSIX
7130 has required since 2001. However, make sure the code still
7131 works on pre-POSIX hosts.
7132 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
7133 which says you should use "tail -c +N" rather than "tail +Nc".
7134 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
7136 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
7138 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
7141 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7144 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
7145 PRE_{INC,DEC} of TFmode.
7147 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7148 Alan Modra <amodra@bigpond.net.au>
7151 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
7154 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7157 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
7158 Remove duplicate gtu.
7160 2006-07-05 Jason Merrill <jason@redhat.com>
7164 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
7165 * c-common.c (handle_packed_attribute): So don't copy it here.
7166 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
7168 2006-07-05 Mike Stump <mrs@apple.com>
7170 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
7172 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
7175 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
7177 2006-07-05 Richard Guenther <rguenther@suse.de>
7180 * config/i386/i386.md (*negdf2_1): Restrict pattern to
7181 TARGET_SSE2 targets if using SSE math.
7182 (*absdf2_1): Likewise.
7184 2006-07-05 Richard Guenther <rguenther@suse.de>
7186 PR tree-optimization/28162
7187 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
7188 make sure to convert the operands to the correct type.
7190 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
7192 PR tree-optimization/28218
7194 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
7195 to calculate and free the dominator information.
7197 2006-07-04 Peter O'Gorman <peter@pogma.com>
7199 * mklibgcc.in: chmod 644 before ranlib during install.
7201 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
7202 J"orn Rennecke <joern.rennecke@st.com>
7204 * configure.ac (.eh_frame data check): Use diff -b.
7206 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
7209 * Makefile.in (BUILD_RTL): Add build/vec.o.
7210 (build/gencondmd.o): Filter out -fkeep-inline-functions.
7211 (build/genextract): Delete.
7212 (build/genautomata): Likewise.
7214 2006-07-04 Alan Modra <amodra@bigpond.net.au>
7217 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
7218 128-bit IBM long doubles for ABI_V4.
7220 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
7222 * tree.c (range_in_array_bounds_p): New predicate.
7223 * tree.h (range_in_array_bounds_p): Declare it.
7224 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
7225 return a less conservative answer.
7226 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
7227 and flag 'is_group'.
7228 (IS_ELEMENT_FOR_GROUP): New macro.
7229 (FOR_EACH_ACTUAL_CHILD): Likewise.
7230 (next_child_for_group): New helper function.
7231 (can_completely_scalarize_p): Take into account groups.
7232 (sra_hash_tree): Handle RANGE_EXPR.
7233 (sra_elt_eq): Likewise.
7234 (lookup_element): Be prepared for handling groups.
7235 (is_valid_const_index): Delete.
7236 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
7237 instead of is_valid_const_index.
7238 <ARRAY_RANGE_REF>: New case.
7239 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
7240 is_valid_const_index.
7241 <ARRAY_RANGE_REF>: Do not unconditionally punt.
7242 (scan_dump): Dump info for groups too.
7243 (decide_instantiation_1): Likewise.
7244 (decide_block_copy): Assert that the element is not a group.
7245 Propagate decision to groups.
7246 (generate_one_element_ref): Handle RANGE_EXPR.
7247 (mark_no_warning): Iterate over actual childs.
7248 (generate_copy_inout): Likewise.
7249 (generate_element_copy): Likewise.
7250 (generate_element_zero): Likewise.
7251 (generate_element_init_1): Likewise.
7252 (dump_sra_elt_name): Handle RANGE_EXPR.
7254 2006-07-03 Roger Sayle <roger@eyesopen.com>
7256 PR tree-optimization/26251
7257 * tree-ssa-threadupdate.c (redirection_block_p): New function.
7258 (thread_block): When optimizing for size refuse to thread jumps
7259 that would require duplication of blocks other than redirection
7262 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7264 * configure.ac: Fix thinko in previous check-in.
7265 * configure: Regenerate.
7267 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7270 * configure.ac (for lang...): Simplify nesting of conditionals.
7271 Test subdir_requires for non-enabled languages. Move processing
7272 of lang_opt_files and lang_tree_fiels below that test.
7273 * configure: Regenerate.
7274 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
7276 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
7278 * doc/gcov.texi (Invoking Gcov): Add a missing word.
7280 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
7282 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
7285 2006-06-29 Jason Merrill <jason@redhat.com>
7292 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
7293 * c-common.c (c_determine_visibility): Handle it here.
7294 * c-decl.c (finish_decl): Call c_determine_visibility for
7296 * flags.h (enum symbol_visibility): Sort from most to least visibility.
7298 * varasm.c (default_assemble_visibility): Likewise.
7299 * c-common.c (handle_visibility_attribute): Complain about trying
7300 to give visibility to an already defined class, or trying to change
7301 declared visibility. Always attach the attribute.
7306 * attribs.c (decl_attributes): Ignore type-in-place attributes
7307 once the type has been defined.
7309 2006-06-29 Roger Sayle <roger@eyesopen.com>
7312 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
7313 to indicate the cpplib has issued an error message for us.
7315 2006-06-29 Asher Langton <langton2@llnl.gov>
7318 * config/i386/i386.c (ix86_output_function_epilogue): Don't
7319 insert a label at the end of an function under Mach-O.
7321 2006-06-29 Eric Christopher <echristo@apple.com>
7322 Evan Cheng <evan.cheng@apple.com>
7324 * predicates.md (vector_all_ones_operand): New.
7325 (nonimmediate_or_sse_const_operand): Ditto.
7326 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
7327 * config/i386/i386.c (standard_sse_constant_opcode): Define.
7328 (standard_sse_mode_p): Ditto.
7329 (standard_sse_constant_p): Add case for -1 vector.
7330 (ix86_expand_vector_move): Try to use.
7331 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
7332 Call standard_sse_constant_opcode.
7333 (*movv4sf_internal): Ditto.
7334 (*movv2df_internal): Ditto.
7336 2006-06-29 Roger Sayle <roger@eyesopen.com>
7338 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
7339 of XEXP to extract the operands of a MATCH_CODE rtx.
7341 2006-06-28 Andrew Pinski <pinskia@gmail.com>
7343 * tree.c (tree_size): Do not waste tail padding in
7344 struct tree_string and make the size be the same as
7345 build_string will generate.
7347 2006-06-28 Jason Merrill <jason@redhat.com>
7350 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
7351 may_aliases already in the tag's annotations to the bitmap.
7353 2006-06-28 Roger Sayle <roger@eyesopen.com>
7355 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
7357 2006-06-28 Roger Sayle <roger@eyesopen.com>
7359 * genpreds.c (generate_switch_p): New function.
7360 (add_mode_tests): Push the new mode test down inside an AND expr
7361 if this allows the switch-suitable MATCH_CODE to be near the root.
7362 (write_match_code_switch): New function to write a MATCH_CODE as
7364 (write_predicate_stmts): New function to write a predicate RTX
7365 expression as a sequence of statements.
7366 (write_one_predicate_function): Use write_predicate_stmts.
7367 (write_tm_constrs_h): Likewise.
7369 2006-06-26 Fred Fish <fnf@specifix.com>
7371 * config/mips/t-sb1: New file.
7372 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
7375 2006-06-26 DJ Delorie <dj@redhat.com>
7377 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
7379 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
7380 Jayant Sonar <jayants@kpitcummins.com>
7381 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
7383 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
7384 (subsi3, subsi3_1, subsi3_2): New.
7385 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
7386 * config/m32c/mov.md (SI mov peephole): New.
7387 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
7388 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
7390 2006-06-26 Olivier Hainque <hainque@adacore.com>
7392 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
7393 a CALL_EXPR target function declaration.
7395 2006-06-26 Richard Guenther <rguenther@suse.de>
7397 * tree.c (build_string): Do not waste tail padding in
7400 2006-06-26 Richard Guenther <rguenther@suse.de>
7402 * ggc-page.c (init_ggc): Add missing element to size_lookup
7406 2006-06-23 Richard Guenther <rguenther@suse.de>
7408 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7409 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7410 alignment requests instead. Add verification code.
7411 Add struct tree_function_decl and struct tree_binfo size to
7412 extra_order_size_table. Add missing element to size_lookup
7415 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
7418 * fold-const.c (const_binop): Be prepared for self returning zero.
7419 Simplify code handling complex values.
7421 2006-06-24 Olivier Hainque <hainque@adacore.com>
7423 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
7424 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
7427 2006-06-24 Olivier Hainque <hainque@adacore.com>
7429 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
7430 ARRAY_REF, so have the callback called for the low bound expression.
7432 2006-06-23 Janis Johnson <janis187@us.ibm.com>
7434 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
7435 * c-typeck.c (c_common_type): Disallow operations on decimal float
7436 types and other float types.
7437 * convert.c (convert_to_real): Don't ignore conversions involving
7438 decimal float types.
7440 2006-06-23 Olivier Hainque <hainque@adacore.com>
7442 * tree.c (max_int_size_in_bytes): New function, inspired from
7443 code in function.c:assign_temp.
7444 * tree.h (max_int_size_in_bytes): Declare.
7445 * function.c (assign_temp): Use it.
7446 * gimplify.c (create_tmp_var): Relax the assertions on the type
7447 properties, not mandating constant size any more.
7448 (force_constant_size): New static function.
7449 (gimple_add_tmp_var): Use it, forcing variable size to a
7450 constant upper bound if it is not constant on entry.
7452 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
7455 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
7456 for initialization and setting of one_only flag to ...
7457 (i386_pe_encode_section_info): ...here.
7458 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
7459 Recheck that the symbol has not been defined.
7461 2006-06-23 Richard Guenther <rguenther@suse.de>
7463 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7464 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7465 alignment requests instead. Add verification code.
7466 Add struct tree_function_decl and struct tree_binfo size to
7467 extra_order_size_table. Add missing element to size_lookup
7470 2006-06-22 Roger Sayle <roger@eyesopen.com>
7471 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7474 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
7475 call to lang_hooks.types.type_for_mode returned NULL_TREE.
7477 2006-06-23 Ben Elliston <bje@au.ibm.com>
7479 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
7480 negate dn -- manipulate it directly.
7482 2006-06-22 Roger Sayle <roger@eyesopen.com>
7483 Steven Bosscher <stevenb.gcc@gmail.com>
7486 * reload1.c (gen_reload): Call mark_jump_label on the new insns
7487 generated by gen_move_insn to add REG_LABEL notes if necessary.
7489 2006-06-22 Bob Wilson <bob.wilson@acm.org>
7491 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
7492 (leaf_entry): Remove use of MIN_ESA.
7494 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
7496 PR rtl-optimization/28121
7497 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
7500 2006-06-21 DJ Delorie <dj@redhat.com>
7502 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
7504 (mulhisi3_r): Likewise.
7506 2006-06-21 Richard Sandiford <richard@codesourcery.com>
7509 * coverage.c (coverage_counter_alloc): Leave the index type
7511 (coverage_counter_alloc): Use null arguments for operands 2 and 3
7514 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
7516 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
7517 section from the "Options for Code Generation Conventions".
7519 2006-06-21 Richard Henderson <rth@redhat.com>
7523 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
7525 (global_symbolic_operand): Allow weak symbols, even if local_p.
7527 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
7529 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
7530 (find_interesting_uses_address): Punt if above function returns true.
7532 2006-06-21 Richard Guenther <rguenther@suse.de>
7534 * configure: Regenerated.
7536 2006-06-21 Joseph Myers <joseph@codesourcery.com>
7538 * config/mips/mips.c (function_arg): Where one part of a
7539 complex argument is in registers and the other part in the stack,
7540 return a REG not a PARALLEL.
7542 2006-06-21 Mark Mitchell <mark@codesourcery.com>
7544 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
7545 when cross-compiling. Do not substitute libstdcxx_incdir.
7546 * configure: Regenerated.
7548 2006-06-21 Jakub Jelinek <jakub@redhat.com>
7550 * varasm.c (mergeable_string_section): Check for embedded NULs and
7551 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
7552 rather than TREE_STRING_LENGTH bytes.
7554 2006-06-21 Richard Guenther <rguenther@suse.de>
7556 * ggc-page.c (extra_order_size_table): Add var_ann_d,
7557 tree_ssa_name, bitmap_element and phi_node with 4 arguments
7560 2006-06-21 Richrad Guenther <rguenther@suse.de>
7562 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
7563 Limit iteration over the dominators.
7565 2006-06-20 Roger Sayle <roger@eyesopen.com>
7567 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
7568 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
7570 2006-06-20 Richard Guenther <rguenther@suse.de>
7571 Michael Matz <matz@suse.de>
7573 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
7575 * alloc-pool.c (free_alloc_pool_if_empty): New function.
7576 * et-forest.h (et_free_pools): Prototype new function.
7577 * et-forest.c (et_free_tree_force): Free parent occurrence.
7578 (et_free_pools): New function.
7579 * dominance.c (free_dominance_info): Free et-forest alloc
7582 2006-06-20 Roger Sayle <roger@eyesopen.com>
7584 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
7585 integer modes, attempt to directly construct an integer constant.
7587 * fold-const.c (native_encode_vector): Determine the size of each
7588 element from the vector type instead of the first vector element.
7590 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
7591 if all of its elements/components are constant.
7592 (build_constructor_from_list): Likewise.
7594 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
7596 PR tree-optimization/27331
7597 * tree-data-ref.c (free_data_ref): New function.
7598 (create_data_ref): Fail if the data reference has unknown access
7600 (free_data_refs): Use free_data_ref.
7602 2006-06-19 Andrew Pinski <pinskia@gmail.com>
7605 * tree-inline.c (setup_one_parameter): Strip useless
7606 type conversion before adding it to the IR.
7607 (declare_return_variable): Likewise.
7609 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
7612 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
7614 2006-06-19 Mike Stump <mrs@apple.com>
7616 * tree.c (variably_modified_type_p): VM arguments don't make the
7619 2006-06-19 Richard Guenther <rguenther@suse.de>
7621 * tree-ssa-pre.c (try_combine_conversion): Strip useless
7622 type conversions after folding.
7624 2006-06-19 Richard Guenther <rguenther@suse.de>
7626 * ggc-page.c (extra_order_size_tab): Add entries with
7627 size of struct function and basic_block.
7628 (size_lookup): Extend to cover sizes up to 511.
7629 (ggc_alloc_stat): Adjust user.
7630 (ggc_pch_count_object): Likewise.
7631 (ggc_pch_alloc_object): Likewise.
7632 (ggc_pch_write_object): Likewise.
7634 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
7636 * tree-ssa-loop-niter.c (implies_ge_p): New function.
7637 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
7640 2006-06-19 Denis Chertykov <denisc@overta.ru>
7642 * config/avr/libgcc.S : Correct my wrong previous commit.
7644 2006-06-19 Roger Sayle <roger@eyesopen.com>
7647 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
7648 have stripped a SUBREG from the shift count, so we may need to
7649 convert_to_mode back to the type's mode before calling make_tree.
7650 Use new_amount instead of amount to avoid expanding a tree twice.
7652 2006-06-19 Richard Guenther <rguenther@suse.de>
7655 * fold-const.c (operand_equal_p): Check if the argument types
7656 have the same precision before stripping NOPs.
7658 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
7660 Fix PR tree-optimization/27341
7661 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
7663 * tree-complex.c (pass_lower_complex): Update SMT usage.
7665 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
7667 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
7668 Add a new alternative to the constraint strings. Add move of
7669 operand 1 to 3 to the splitter definition.
7670 ("doloop_si_long"): Second contraint alternative removed.
7672 2006-06-08 Anatoly Sokolov <aesok@post.ru>
7674 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
7675 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
7677 (AVR_HAVE_MOVW) Define.
7678 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
7679 (ASM_SPEC): Add avr25.
7680 (LINK_SPEC): Add avr25.
7681 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
7682 (base_arch_s): Add new member 'have_movw_lpmx'.
7683 (avr_arch_types): Init 'have_movw_lpmx'.
7684 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
7685 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
7686 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
7687 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
7688 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
7690 (avr_file_start): Do not output '.arh' derective.
7691 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
7692 (__do_copy_data): Use __AVR_HAVE_LPMX__.
7693 * config/avr/avr.md (mcu_enhanced): Delete.
7694 (mcu_have_movw): Define.
7695 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
7696 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
7697 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
7698 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
7699 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
7700 attiny861 and at86rf401 devices.
7702 2006-06-18 Jie Zhang <jie.zhang@analog.com>
7704 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
7707 2006-06-17 Karl Berry <karl@gnu.org>
7709 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
7710 doc/gccint.texi, doc/install.texi (@dircategory): Use
7711 "Software development" instead of "Programming", following
7712 the Free Software Directory.
7714 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
7716 * config/i386/i386.c (legitimate_tls_address)
7717 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
7718 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
7719 (*tls_dynamic_gnu2_combine_64): Likewise.
7721 2006-06-16 Richard Guenther <rguenther@suse.de>
7724 * fold-const.c (negate_expr_p): Do not introduce undefined
7725 overflow in negating INTEGER_CSTs.
7726 (fold_negate_expr): Rename from negate_expr. Revert last
7727 change for folding BIT_NOT_EXPR. Change semantics to
7728 return NULL_TREE for non-simplified negations. Do not
7729 strip type conversions and unify type handling.
7730 (negate_expr): New function, wrap around fold_negate_expr
7731 but ensure building a tree always. Strip type conversions
7732 here, fold to result type.
7733 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
7735 2006-06-16 Roger Sayle <roger@eyesopen.com>
7738 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
7739 that (would) return their results in stack registers.
7741 2006-06-16 Michael Matz <matz@suse.de>
7742 Richard Guenther <rguenther@suse.de>
7744 * fold-const.c (fold_truthop): Only return new tree node if
7745 we canonicalized something.
7747 2006-06-16 Richard Guenther <rguenther@suse.de>
7749 * function.h (enum function_frequency): Move declaration
7750 out of struct function.
7751 (struct function): Move bool fields and the enum to the bitfield
7752 section. Reorder elements to avoid padding. Remove unused
7753 fields left over from the RTL inliner removal.
7754 * function.c (free_after_compilation): Do not zero removed fields.
7755 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
7756 (ipa-type-escape.o): Likewise.
7758 2006-06-16 Richard Guenther <rguenther@suse.de>
7760 * cgraph.h (struct cgraph_local_info): Turn bool elements
7762 (struct cgraph_node): Likewise.
7763 (struct cgraph_varpool_node): Likewise.
7765 2006-06-15 Richard Guenther <rguenther@suse.de>
7767 * fold-const.c (fold_truth_not_expr): Rename from
7768 invert_truthvalue. Give it fold_* semantics to avoid
7770 (invert_truthvalue): New function. Wrapper around
7771 fold_truth_not_expr.
7772 (optimize_minmax_comparison): Avoid creating garbage.
7773 (fold_unary): Use fold_truth_not_expr for folding
7775 (fold_ternary): Replace uses of invert_truthvalue with
7776 fold_truth_not_expr where applicable.
7777 * tree.h (fold_truth_not_expr): Prototype.
7779 2006-06-16 Richard Guenther <rguenther@suse.de>
7781 PR tree-optimization/27781
7782 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
7783 * ipa-pure-const.c (target.h): Include.
7784 (analyze_function): Do not analyze functions that do not
7787 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
7790 * tree-dfa.c (referenced_vars_dup_list): Remove.
7791 (find_referenced_vars): Remove assert.
7792 (referenced_var_check_and_insert): Replace dup list with assert.
7793 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
7794 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
7796 2006-06-15 Richard Guenther <rguenther@suse.de>
7798 * tree-ssa-structalias.c (alias_get_name): Avoid creating
7799 extra unused identifiers if not dumping.
7800 (create_variable_info_for): Likewise.
7802 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
7804 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
7805 (derive_constant_upper_bound): Derive more precise upper bound in
7806 common cases. Return type changed to double_int.
7807 (record_estimate): Reflect the changed return type of
7808 derive_constant_upper_bound.
7809 * double-int.c (double_int_zext, double_int_sext): Fix.
7811 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
7813 * configure.ac (CFLAGS): Get them from the toplevel or from the
7814 configure invocation.
7815 * configure: Regenerate.
7816 * Makefile.in (CFLAGS): Substitute value provided by configure.
7818 2006-06-14 Mark Mitchell <mark@codesourcery.com>
7821 * c-common.h (c_finish_omp_atomic): Adjust declaration.
7822 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
7823 rather than calling add_stmt on it.
7824 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
7826 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
7829 * reload1.c (reload): Remove registers returned by update_eliminables
7830 from used_spill_regs.
7832 2006-06-13 DJ Delorie <dj@redhat.com>
7834 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
7836 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
7838 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
7839 html__strip_dir, html__mkdir_p. Enhance install-html target.
7840 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
7841 * configure: Regenerate.
7843 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
7845 * fold-const.c (fold_cond_expr_with_comparison): Check for
7846 Objective-C++ as language in deciding COND_EXPR transformation.
7848 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
7851 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
7852 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
7853 * config/sh/lib1funcs.h (SL, SL1): Define.
7854 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
7855 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
7856 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
7857 (OBJS_Os_4_200): New variable.
7858 ($(T)libgcc-Os-4-200.a): Use it.
7859 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
7860 when dividing 1 and/or by 0.
7862 2006-06-13 Roger Sayle <roger@eyesopen.com>
7864 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
7865 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
7866 * configure: Regenerate.
7868 2006-06-13 Jie Zhang <jie.zhang@analog.com>
7870 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
7871 for real instruction.
7873 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7876 * haifa-sched.c (check_cfg): Handle special case.
7878 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
7881 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
7882 Add debug_info parameter. Chain the vars to the BLOCK instead
7883 of the BIND_EXPR if debug info are requested for them.
7884 (pop_gimplify_context): Adjust for above change.
7885 (gimple_add_tmp_var): Likewise.
7886 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
7888 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
7889 (convert_local_reference): Likewise.
7890 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
7891 (finalize_nesting_tree_1): Request that debug info be emitted
7892 for debug_var_chain.
7894 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7896 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
7897 for PR target/27863.
7899 2006-06-13 Richard Guenther <rguenther@suse.de>
7902 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
7904 2006-06-13 Richard Guenther <rguenther@suse.de>
7906 PR tree-optimization/27830
7907 * tree-inline.c (copy_body_r): For copying the operand
7908 of an ADDR_EXPR make sure to fold &* afterwards.
7910 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
7912 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
7913 lvalues in the fb_none case with side-effects.
7915 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
7917 * tree-flow.h: Remove the prototype for
7918 compute_phi_arg_on_exit.
7919 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
7920 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
7923 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
7925 * builtins.c (expand_builtin_return_addr): Only use
7926 frame_pointer_rtx when count == 0 and we are expanding
7927 __builtin_return_address.
7929 2006-06-12 Fred Fish <fnf@specifix.com>
7931 * config/mips/mips.c (mips_file_start): Create special section
7932 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
7934 2006-06-11 Eric Christopher <echristo@apple.com>
7937 * stor-layout.c (place_field): Remove check for
7938 remaining_in_alignment when aligning at the end of a run.
7940 2006-06-11 Eric Christopher <echristo@apple.com>
7943 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
7946 2006-06-11 Roger Sayle <roger@eyesopen.com>
7949 Revert incorrect fix for PR target/27158
7950 2006-05-08 Roger Sayle <roger@eyesopen.com>
7951 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7952 of a reg_equiv_constant if the result is a legitimate constant.
7954 2006-06-11 Roger Sayle <roger@eyesopen.com>
7957 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
7958 extract a CONST_VECTOR element and interpret it as an integer.
7959 (vspltis_constant): Use const_vector_elt_as_int instead of the
7960 macro CONST_VECTOR_ELT in order to handle FP vector modes.
7961 * config/rs6000/predicates.md (easy_vector_const): Consider
7962 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
7964 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
7967 * stor-layout.c (update_alignment_for_field): Don't add extra
7968 alignment for packed non-bitfield fields in ms_bitfield_layout_p
7971 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
7973 * config/mips/t-rtems: Add EL/EB multilib variants.
7975 2006-06-09 Mike Stump <mrs@apple.com>
7977 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
7979 2006-06-09 David Daney <ddaney@avtrex.com>
7981 * doc/install.texi: Add binutils version recommendation for mips-*-*.
7983 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
7985 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
7987 2006-06-09 Richard Guenther <rguenther@suse.de>
7989 PR tree-optimization/26998
7990 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
7991 of signed types, only TYPE_MIN_VALUE is special, but for both,
7992 minimum and maximum value. Likewise VR_ANTI_RANGE is special
7993 in this case, as is -fwrapv.
7995 2006-06-08 Mike Stump <mrs@apple.com>
7998 * config/darwin.c (darwin_asm_output_anchor): Disable
7999 -fsection-anchors on darwin for now.
8000 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
8001 * rs6000/rs6000.c (optimization_options): Likewise.
8003 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8006 * config/i386/i386.c (classify_argument): Skip fields with invalid
8009 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
8011 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
8012 (cse_insn): Likewise for the stack_pointer_rtx.
8014 2006-06-08 Roger Sayle <roger@eyesopen.com>
8016 * tree-ssa-dom.c (record_conditions): Only record "unordered"
8017 conditions from floating point comparisons.
8019 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
8022 * expmed.c (struct alg_hash_entry): Fix type of field T
8023 to match synth_mult argument.
8024 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
8026 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8029 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
8032 2006-06-08 Richard Guenther <rguenther@suse.de>
8035 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
8036 only, if overflow is defined and not trapping.
8037 (negate_expr): Likewise.
8039 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
8041 PR tree-optimization/27872
8042 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
8043 flag on the new exit edge of the unrolled loop.
8045 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
8047 PR rtl-optimization/26449
8048 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
8050 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
8053 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
8054 referenced_variables with matching DECL_UID's.
8055 (find_referenced_vars): Make sure duplicate list is empty to start.
8056 (referenced_var_p): Remove.
8057 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
8058 Check if var is in the list, and add if needed. Update the duplicate
8059 list if a different var is in the list with the same DECL_UID.
8060 (add_referenced_var): Call routine to check and insert.
8061 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
8062 * tree-flow.h (referenced_vars_dup_list): External declaration.
8064 2006-06-07 Fred Fish <fnf@specifix.com>
8066 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
8069 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
8072 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
8073 the imaginary and real parts of a clobbered register.
8074 Emit insn to set the imaginary part.
8076 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
8078 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
8079 in lieu of unwind-dw2-fde.c.
8081 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
8083 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
8085 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
8088 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
8089 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
8090 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
8091 V4SImode temporaries and operations instead.
8093 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
8095 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
8098 2006-06-06 Mike Stump <mrs@apple.com>
8100 * Makefile.in: Rename to htmldir to build_htmldir to avoid
8101 installing during build.
8103 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8105 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
8107 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8108 * config/ia64/ia64.c (params.h): New header.
8109 (ia64_optimization_options): New function to adjust parameters.
8110 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
8111 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
8112 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
8114 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
8116 * stor-layout.c (debug_rli): Fix a typo in a debug message.
8118 2006-06-05 Steve Ellcey <sje@cup.hp.com>
8121 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
8123 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
8124 Victor Kaplansky <victork@il.ibm.com>
8126 PR tree-optimization/26360
8127 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
8130 2006-06-04 Roger Sayle <roger@eyesopen.com>
8131 Andrew Pinski <pinskia@physics.uc.edu>
8134 * c-common.c (c_common_truthvalue_conversion): Explicitly check
8135 for LABEL_DECL before calling DECL_WEAK.
8138 * c-typeck.c (build_binary_op): Likewise, explicitly check for
8139 LABEL_DECL and PARM_DECL.
8141 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
8145 * c-decl.c (grokdeclarator): Disallow variably modified types at
8146 file scope. Avoid marking shared array type of constant size as
8149 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8152 * c-common.c (fold_offsetof_1): Handle static members.
8154 2006-06-04 Eric Christopher <echristo@apple.com>
8156 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
8157 (debug_rli): Output value for remaining_in_alignment.
8158 (update_alignment_for_field): Unconditionalize
8159 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
8160 extra alignment code.
8161 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
8162 ms_bitfield_layout_p code. Rewrite handling of structure fields.
8163 * tree.h (record_layout_info_s): Remove prev_packed.
8164 * doc/extend.texi (ms_struct): Add documentation of format.
8166 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
8168 * tree.h: Declare folding_initializer.
8169 * builtins.c (fold_builtin_constant_p): Give definite answer
8170 if folding inside an initializer.
8171 * fold-const.c: Define folding_initializer.
8172 (START_FOLD_INIT): Save and then set folding_initializer.
8173 (END_FOLD_INIT): Restore folding_initializer.
8175 2006-06-04 Richard Guenther <rguenther@suse.de>
8177 PR tree-optimization/27039
8178 * fold-const.c (fold_comparison): Handle pointer comparison
8179 again for all comparison codes. Compare offsets in signed
8181 (fold_binary): Move code from here.
8183 2006-06-03 Roger Sayle <roger@eyesopen.com>
8186 * config/i386/i386.c (construct_container): Split static issued_error
8187 flag into issued_sse_arg_error, issued_sse_ret_error and
8188 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
8189 requires the use of x87 registers and the user explicitly
8190 specified the -mno-80387 command line option.
8192 2006-06-02 Geoffrey Keating <geoffk@apple.com>
8194 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
8195 HAVE_DECL_SIGALTSTACK.
8197 (segv_handler): Use MC_FLD.
8198 * configure.ac: Check for a sigaltstack declaration.
8199 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
8200 * configure: Regenerate.
8201 * config.in: Regenerate.
8203 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
8206 * Makefile.in (stmp-fixinc): Fix typo.
8208 2006-06-02 Roger Sayle <roger@eyesopen.com>
8210 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
8211 are type correct. Clean-up.
8212 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
8213 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
8215 2006-06-01 DJ Delorie <dj@redhat.com>
8217 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
8218 shift, as we've disabled the "switch" insn that needs it.
8220 2006-06-01 Per Bothner <bothner@bothner.com>
8222 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
8223 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
8224 * c-ppoutput.c (cb_define): Don't increment line 0.
8226 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
8228 * doc/invoke.texi: Add cpu_type power6.
8229 * config.gcc: Add cpu_type power6.
8230 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
8231 to power5+ with Altivec.
8232 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
8233 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
8235 2006-05-30 Anatoly Sokolov <aesok@post.ru>
8237 * config/avr/avr.h (SET_ASM_OP): Define.
8239 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
8241 * config/bfin/bfin.c: Fix comment typos.
8243 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8246 * doc/install.texi: Document --enable-bootstrap and
8247 --disable-bootstrap.
8249 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8251 * doc/install.texi: Document that InfoZIP can replace jar.
8253 2006-05-31 Roger Sayle <roger@eyesopen.com>
8255 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
8256 isn't available, directly generate the simpler x87 patterns without
8257 the (use (const_int 0)).
8258 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
8259 implementation isn't available.
8260 (*negdf2_1): Likewise.
8261 (*negxf2_1): XF mode negation is always done using the x87.
8262 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
8264 2006-05-31 Roger Sayle <roger@eyesopen.com>
8266 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
8267 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
8269 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
8271 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8273 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
8274 * config/bfin/bfin.c (basic-block.h): Include.
8275 (struct machine_function): New.
8276 (bfin_init_machine_status): New.
8277 (override_options): Initialize init_machine_status.
8278 (bfin_hardware_loop): New.
8279 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
8280 (DEF_VEC_P (loop_info)): New.
8281 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
8282 (struct loop_info): New.
8283 (loop_info): New typedef.
8284 (struct loop_work): New.
8285 (loop_work): New typedef.
8286 (DEF_VEC_O (loop_work)): New.
8287 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
8288 (bfin_dump_loops): New.
8289 (bfin_bb_in_loop): New.
8290 (bfin_scan_loop): New.
8291 (bfin_optimize_loop): New.
8292 (bfin_reorg_loops): New.
8293 (bfin_reorg): Use bfin_reorg_loops.
8294 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
8296 (I_REGNO_P): Simplify.
8297 (DP_REGNO_P, DPREG_P): New macros.
8298 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
8299 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
8300 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8301 Add LT_REGS, LC_REGS, LB_REGS.
8302 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
8304 (REGNO_REG_CLASS): Deal with loop registers.
8305 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
8307 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
8308 New constants for loop registers.
8309 (UNSPEC_LSETUP_END): New.
8310 (seq_insns): New define_attr. Set it for appropriate insns.
8311 (movsi_insn): Add alternatives for move from/to
8312 loop count registers.
8313 (doloop_end): New define_expand.
8314 (loop_end): New define_insn.
8315 (define_split for bad doloop_end): New.
8316 (lsetup_with_autoinit): New define_insn.
8317 (lsetup_without_autoinit): New define_insn.
8318 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
8319 * config/bfin/predicates.md (lc_register_operand): New.
8320 (lt_register_operand): New.
8321 (lb_register_operand): New.
8322 (nondp_register_operand): New.
8323 (nondp_reg_or_memory_operand): New.
8324 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
8326 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8328 * config/bfin/bfin.c (bfin_delegitimize_address): New.
8329 (TARGET_DELEGITIMIZE_ADDRESS): Define.
8331 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
8333 * Makefile.in (CATALOGS): Add po/ prefix.
8334 * configure: Regenerated.
8336 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
8339 * arm.c (arm_print_operand case 'S'): Validate that the operand is
8340 a shift operand before calling shift_op. Avoid redundant call of
8343 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
8344 DJ Delorie <dj@redhat.com>
8346 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
8347 we're inserting is a singlt-bit constant.
8349 2006-05-30 Roger Sayle <roger@eyesopen.com>
8351 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
8352 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
8354 2006-05-30 Roger Sayle <roger@eyesopen.com>
8356 PR tree-optimization/23452
8357 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
8358 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
8359 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
8360 complex values and with -ffast-math for FP complex values.
8362 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
8364 * c-common.h: Remove the prototype for yyparse.
8365 * rtl.h: Remove the prototype for init_loop.
8367 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
8369 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
8372 2006-05-30 Roger Sayle <roger@eyesopen.com>
8374 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
8376 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
8377 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
8379 2006-05-30 Dirk Mueller <dmueller@suse.de>
8382 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
8383 for CONSTANT_CLASS_P expresisons.
8385 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8388 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
8390 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
8392 PR tree-optimization/27779
8393 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
8394 initial_condition instead of CHREC_LEFT.
8396 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
8398 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
8399 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
8400 Make prototypes ISO C90.
8402 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
8403 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8405 * see.c (see_analyze_one_def): Correct check.
8406 (see_get_extension_data): Check if extension is parallel.
8407 (see_get_extension_reg): Likewise.
8409 2006-05-30 Uros Bizjak <uros@kss-loka.si>
8412 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
8413 into register for (code == GTU).
8415 2006-05-29 Roger Sayle <roger@eyesopen.com>
8417 PR tree-optimization/24964
8418 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
8419 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
8420 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
8421 abs(x)*abs(x) as x*x for scalar floating point modes.
8423 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
8426 * lambda-code.c (perfect_nestify): Don't copy statements
8427 in the inner loop: move them to the inner loop header.
8429 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8432 * c-tree.texi: Document OpenMP directives and clauses.
8434 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8436 * varasm.c (globalize_decl): Fix indentation.
8438 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8441 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
8442 pass_fre, pass_store_ccp, pass_copy_prop,
8443 pass_store_copy_prop, pass_merge_phi, pass_nrv,
8444 pass_return_slot, pass_object_size, pass_lim,
8445 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
8446 pass_loop_prefetch and pass_stdarg.
8448 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
8450 * config/bfin/bfin.opt (mfdpic): New option.
8451 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
8452 (EXTRA_MULTILIB_PARTS): Likewise.
8453 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
8454 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
8456 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
8457 (CRT_CALL_STATIC_FUNCTION): New.
8458 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
8460 (CRT_CALL_STATIC_FUNCTION): New.
8461 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
8463 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
8464 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
8465 (initialize_trampoline): Changed to handle FD-PIC code generation.
8466 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
8467 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
8468 (override_options): Disallow -mid-shared-library -mfdpic combination.
8469 Can't do unaligned ops if FD-PIC.
8470 Turn off flag_pic if trying to generate non-id-shared-library
8471 non-fdpic code, since it's not supported.
8472 (bfin_assemble_integer): New function.
8473 (TARGET_ASM_INTEGER): Define.
8474 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
8476 * config/bfin/crtn.s: Restore them.
8477 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
8479 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
8480 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
8481 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
8482 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
8483 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
8485 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
8486 FDPIC_REGS and FDPIC_FPTR_REGS.
8487 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
8488 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
8489 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
8490 (load_funcdescsi): New pattern.
8491 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
8492 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
8493 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
8495 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8497 * gcse.c, rtlanal.c: Remove obsolete comments associated with
8500 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
8502 * tree-flow.h: Remove the prototype for add_type_alias.
8503 * tree-ssa-alias.c (add_type_alias): Remove.
8505 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
8507 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
8508 config/fr30/fr30.md, config/i386/i386-interix.h,
8509 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
8510 config/sh/superh64.h, config/v850/v850.c, df-core.c,
8511 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
8512 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
8513 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
8514 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
8515 Follow spelling conventions.
8516 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
8517 Follow spelling conventions.
8519 2006-05-27 Richard Guenther <rguenther@suse.de>
8522 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
8523 to produce a constant of value 1 of generic type.
8525 2006-05-27 Dirk Mueller <dmueller@suse.de>
8527 * cgraphunit.c (decide_is_function_needed): Fix wrong
8530 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
8532 PR rtl-optimization/27661
8533 * reload.c (find_reloads): When reloading a VOIDmode constant
8534 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
8535 use Pmode as mode of the reload register.
8537 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
8539 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
8540 is enabled at -O and above.
8542 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
8545 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
8548 2006-05-25 Mark Mitchell <mark@codesourcery.com>
8551 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
8552 for anonymous variables explicitly declared by front ends.
8554 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8556 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
8557 (struct alias_info): Add new field ref_all_symbol_mem_tag.
8558 * tree-ssa-alias.c (compute_may_aliases): If the program contains
8559 ref-all pointers, run a finalization pass for them.
8560 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
8561 (finalize_ref_all_pointers): New function.
8562 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
8563 regular pointer type to a ref-all pointer type.
8564 (get_tmt_for): Return the special memory tag for ref-all pointers.
8566 2006-05-25 Richard Guenther <rguenther@suse.de>
8569 * fold-const.c (fold_binary): Do not look at the stripped
8570 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
8572 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8574 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
8575 for LT and GT if the computed range is effectively empty.
8577 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8580 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
8581 mips_quad_format formats instead of ieee_single_format,
8582 ieee_double_format and ieee_quad_format formats, respectively.
8584 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
8586 PR tree-optimization/27639
8587 PR tree-optimization/26719
8588 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
8589 call to scev_probably_wraps_p.
8590 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
8591 used_in_pointer_arithmetic_p, convert_step): Removed.
8592 (nowrap_type_p): New function.
8593 (scev_probably_wraps_p): Rewritten.
8594 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
8595 chrec_convert if chrec_convert_aggressive might have been used.
8596 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
8597 scev_direction): New functions.
8598 (chrec_convert): Changed to a wrapper over chrec_convert_1.
8599 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
8600 instead of convert_step.
8601 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
8602 (convert_step): Declaration removed.
8603 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
8605 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
8607 * df-core.c: Added to header comments.
8608 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
8609 df_ur_bb_info, df_urec_bb_info): Added comments.
8610 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
8611 urec, ri problems): Fixed header comments.
8612 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
8613 code from df_rd_transfer_function.
8615 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8617 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
8618 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
8619 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
8621 2006-05-23 Joseph Myers <joseph@codesourcery.com>
8623 * expr.c (undefined_operand_subword_p): New.
8624 (emit_move_multi_word): Do not generate move from undefined bits
8625 of a paradoxical subreg.
8627 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8629 PR rtl-optimization/27736
8630 * combine.c (replaced_rhs_value): New variable.
8631 (combine_instructions): Set it.
8632 (distribute_notes): When distributing a note in replaced_rhs_insn,
8633 check whether the value was used in replaced_rhs_value.
8635 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
8638 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
8639 add_referenced_var instead of add_referenced_tmp_var.
8640 * tree-complex.c (create_one_component_var): Use add_referenced_var.
8641 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
8643 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
8644 tree_optimize_tail_calls_1): Use add_referenced_var.
8645 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
8646 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
8647 Use add_referenced_var.
8648 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
8649 * gimplify.c (force_gimple_operand): Use add_referenced_var.
8650 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
8651 Use add_referenced_var.
8652 * tree-dfa.c (struct walk_state): Remove.
8653 (find_referenced_vars): Remove walk state and vars_found hash table.
8654 (make_rename_temp): Use add_referenced_var.
8655 (find_vars_r): Pass less parameters to add_referenced_var.
8656 (referenced_var_p): New. Is var in referenced_var hash table.
8657 (referenced_var_insert): Assert var isn't already in hash table.
8658 (add_referenced_var): Don't need walk_state parameter. Add var if it
8659 isn't already in the hash table.
8660 (add_referenced_tmp_var): Remove.
8661 (find_new_referenced_vars_1): Use add_referenced_var.
8662 * tree-ssa-pre.c (create_expression_by_pieces,
8663 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
8664 Use add_referenced_var.
8665 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
8666 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
8667 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
8669 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8670 vect_create_data_ref_ptr, vect_create_destination_var,
8671 vect_init_vector, vect_build_loop_niters,
8672 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
8673 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
8674 Use add_referenced_var.
8675 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
8676 * tree-flow.h (add_referenced_tmp_var): Remove prototype
8677 (add_referenced_var): Add prototype.
8678 * tree-ssa-structalias.c (get_constraint_for,
8679 intra_create_variable_infos): Use add_referenced_var.
8681 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
8683 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
8684 big-endian paradoxical subregs.
8685 * var-tracking.c (struct micro_operation_def): Document that,
8686 for modify micro operations, insn is the subsequent instruction.
8687 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
8688 (var_reg_set, var_mem_set): ... new functions.
8689 (add_stores): Record subsequent insn.
8690 (compute_bb_dataflow): Use new functions for MO_USE.
8691 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
8692 notes after the insn, and modify notes before the insn known
8693 to be the subsequent one.
8694 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
8696 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
8699 * config/i386/i386.c (ix86_expand_builtin): Use
8700 gen_sse3_monitor64 for TARGET_64BIT.
8702 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
8704 PR rtl-optimization/26375
8705 PR rtl-optimization/26855
8706 * df-problems (df_ru_bb_local_compute_process_def): Removed update
8708 (df_ru_bb_local_compute): Reversed statements and removed bogus
8709 comment explaining why they should be in wrong order.
8710 (df_ru_dump, df_rd_dump): Enhanced debug info.
8711 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
8713 * ddg.c (add_deps_for_def): Converted use of reaching defs to
8714 reaching uses and fixed space problem.
8716 2006-05-23 Jan Hubicka <jh@suse.cz>
8718 * cgraphunit.c (decide_is_function_needed): Also nested functions
8719 and functions declared inline can be optimized out at -O0.
8721 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
8723 * doc/install.texi (Configuration): Remove reference to CrossGCC
8727 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8730 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
8731 ix86_compare_emitted is non-NULL.
8733 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8736 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
8739 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8741 PR rtl-optimization/25514
8742 * combine.c (replaced_rhs_insn): New variable.
8743 (combine_instructions): Set replaced_rhs_insn when trying to replace
8744 a SET_SRC with a REG_EQUAL note.
8745 (distribute_notes): Use replaced_rhs_insn when determining the live
8746 range of a REG_DEAD register.
8748 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
8749 Anatoly Sokolov <aesok@post.ru>
8751 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
8752 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
8753 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
8754 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
8755 atmega3290, atmega649, atmega6490, atmega406, atmega640,
8756 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
8757 at90usb647, at90usb1286 and at90usb1287 devices.
8758 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8759 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8761 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8763 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
8765 2006-05-22 Richard Guenther <rguenther@suse.de>
8768 2006-01-31 Richard Guenther <rguenther@suse.de>
8769 Paolo Bonzini <bonzini@gnu.org>
8771 * doc/install.texi (--disable-libgcc-math): Document.
8773 2006-05-22 Richard Guenther <rguenther@suse.de>
8776 2006-01-31 Richard Guenther <rguenther@suse.de>
8778 * doc/invoke.texi (-msselibm): Document.
8779 * target.h (expand_library_builtin): New target hook.
8780 * builtins.c (expand_builtin): Use expand_library_builtin.
8781 (default_expand_library_builtin): New function.
8782 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8783 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8784 (link_gcc_math_spec): Declare.
8785 (static_specs): Add link_gcc_math_spec.
8786 * expr.h (default_expand_library_builtin): Declare.
8787 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8788 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8789 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8790 * config/i386/i386.opt (msselibm): New target option.
8791 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8792 (ix86_init_sse_abi_builtins): New function.
8793 (ix86_expand_library_builtin): Likewise.
8794 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8795 (override_options): Handle error conditions wrt -msselibm.
8796 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8797 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8798 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8801 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8804 * c-common.c (self_promoting_args_p): Skip erroneous args.
8807 * c-decl.c (finish_struct): Skip erroneous fields.
8809 2006-05-22 Nick Clifton <nickc@redhat.com>
8811 * config/cris/cris.opt (march): Remove VarExists attribute.
8812 (max-stackframe=): Likewise.
8814 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8816 * doc/rtl.texi: Fix a typo.
8817 * see.c: Fix comment typos.
8819 * tree-ssa-structalias.h (alias_info): Remove num_references.
8821 2006-05-21 Mike Stump <mrs@apple.com>
8823 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
8825 (darwin_pragma_options): Use BAD instead.
8826 (darwin_pragma_unused): Likewise.
8827 (darwin_pragma_ms_struct): Likewise.
8829 2006-05-21 David Edelsohn <edelsohn@gnu.org>
8831 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
8833 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
8835 PR rtl-optimization/27671
8836 * simplify-rtx.c (simplify_relational_operation_1): Fix
8837 simplifications of (eq/ne (xor x y) y) and
8838 (eq/ne (xor x y) x).
8840 PR tree-optimization/26622.
8841 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
8844 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8846 * tree-cfg.c: Prune whitespace.
8847 (debug_tree_cfg): Point to correct header containing the
8850 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8853 * cgraphunit.c (verify_cgraph_node): Typo in error message.
8855 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
8858 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
8859 or sorry count is non zero.
8861 2006-05-20 Andreas Schwab <schwab@suse.de>
8863 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
8865 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
8866 Kenneth Zadeck <zadeck@naturalbridge.com>
8868 PR rtl-optimization/26855
8870 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
8872 (df_scan_alloc): Added code to properly handle multiword hard
8873 registers and add all_blocks parameter.
8874 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
8875 code to properly handle multiword hard registers.
8876 (df_rescan_blocks): Added code to remove deleted blocks from
8878 (df_ref_create_structure, df_ref_record): Added code to properly
8880 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
8881 and set DF_REF_PARTIAL.
8882 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
8883 (df_uses_record): Added DF_REF_PARTIAL for subreg.
8884 (df_scan_add_problem): Added flags parameter.
8885 (df_ref_create_structure): Changed switching structure.
8886 (df_bb_refs_record): Fixed case where duplicate artificial refs
8887 were created. Changed location of flags.
8888 (df_record_entry_block_defs): Added code to make stack pointer
8889 live in entry block. Refined cases where frame pointer is needed.
8890 Changed location of flags.
8891 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
8892 (df_set_state): Removed function.
8893 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
8894 df_insn_create_insn_record, df_insn_refs_delete,
8895 df_ref_create_structure): Formatting changes.
8896 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
8897 df_delete_basic_block): New function.
8898 (df_init): Changed location of flags.
8899 (df_add_problem): Added flags parameter and the way flags are
8901 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
8902 debug_df_chain): Improved debugging output.
8903 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
8904 (df_refs_chain_dump): Removed df parameter.
8905 (df_iterative_dataflow): Added consistency check.
8906 (df_prune_to_subcfg): Made public.
8907 (df_analyze_problem): Added blocks_to_init parameter and made
8909 (df_ref_record, df_bb_refs_record, df_mark_reg,
8910 df_record_exit_block_uses): Whitespace changes.
8911 (df_dump): Whitespace changes.
8912 * df.h: Some reordering to remove forward references.
8913 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
8914 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
8915 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
8916 (dataflow.flags): New field.
8917 (df.flag): Deleted field.
8918 (df_alloc_function): Added additional bitmap parameter.
8919 (df_dependent_problem_function): New type.
8920 (df_problem.changeable_flags): New field.
8921 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
8922 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
8923 (df_mw_hardreg): New struct.
8924 (DF_INSN_UID_MWS): New macro.
8925 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
8927 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
8928 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
8929 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
8930 (df_set_state): Removed function.
8931 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
8932 * df-problems.c (df_chain_dump): Removed df parameter.
8933 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
8934 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
8936 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
8937 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
8938 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
8939 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
8940 DF_REF_MUST_CLOBBER cases.
8941 (df_ru_bb_local_compute_process_def,
8942 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
8943 df_lr_bb_local_compute, df_ur_bb_local_compute,
8944 df_chain_create_bb): Made subreg aware.
8945 (df_ru_bb_local_compute, df_rd_bb_local_compute,
8946 df_lr_bb_local_compute, df_lr_bb_local_compute,
8947 df_chain_create_bb): Cleanup to use proper macros.
8948 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
8949 code to fixup bitvectors.
8950 (df_ri_alloc): Cleared lifetime.
8951 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
8952 df_create_unused_note): New function.
8953 (df_ri_bb_compute, df_ri_compute): Added code to create/update
8954 REG_DEAD and REG_UNUSED notes as well as register information.
8955 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
8956 df_chains_dump): Fixed crash if problem was never run.
8957 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
8958 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
8959 df_ri_add_problem): Processes flags in uniform manner.
8960 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
8961 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
8962 df_rd_dump, df_urec_free_bb_info): Formatting changes.
8963 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
8964 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
8965 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
8966 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
8967 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
8968 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
8969 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
8970 * see.c (see_initialize_data): Ditto.
8971 * final.c (rest_of_clean_state) Added regstack_completed.
8972 * rtl.h (regstack_completed): Ditto.
8973 * reg-stack.c (regstack_completed): Ditto.
8975 2006-05-19 Mike Stump <mrs@apple.com>
8977 * c-tree.h (default_conversion): Remove.
8978 * c-common.h (default_conversion): Add.
8980 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
8982 * tree-vrp.c (valid_value_p): New function.
8983 (adjust_range_with_scev): Fail if the value of bound is not
8986 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8988 * config/mips/linux-unwind.h: Include <asm/unistd.h>
8989 (mips_fallback_frame_state): Use syscall numbers to determine
8990 the appropriate li instruction for the current ABI. Only use
8991 __NR_sigreturn for o32.
8993 2006-05-19 Nicolas Setton <setton@adacore.com>
8995 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
8996 * langhooks.c (lhd_dwarf_name): New function.
8997 * langhooks-def.h (lhd_dwarf_name): Declare.
8998 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
8999 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
9001 2006-05-19 Richard Sandiford <richard@codesourcery.com>
9003 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
9005 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
9006 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
9007 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
9008 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
9009 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
9010 determine the size of Wtype, etc.
9011 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
9012 (swfloatfuncs): New variable.
9013 (dwfloatfuncs): Likewise.
9014 (lib2funcs): Remove floating-point conversion functions from
9015 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
9016 the set of conversion routines needed. Allow entries to specify
9017 an object name, filename and word size. Update users accordingly.
9018 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
9019 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
9023 2006-02-08 Roger Sayle <roger@eyesopen.com>
9026 * config/fixtfdi.c: New libgcc source file.
9027 * config/fixunstfdi.c: New source file.
9028 * config/floatditf.c: New source file.
9029 * config/floatunditf.c: New souce file.
9030 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9031 files above instead of config/mips/_tilib.c.
9032 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9034 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9036 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
9037 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
9039 2006-05-18 Mike Stump <mrs@apple.com>
9041 Fix up vla, vm and [*] sematics.
9047 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
9048 (c_vla_unspec_p): Add.
9049 (c_vla_type_p): Add.
9050 * c-decl.c (struct c_scope): Add had_vla_unspec.
9051 (build_array_declarator): Add support for [*].
9052 (grokdeclarator): Likewise.
9053 (grokparms): Likewise.
9054 (get_parm_info): Likewise.
9055 * c-objc-common.c (c_vla_unspec_p): Likewise.
9056 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
9057 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
9058 typeof when argument is a variably modified type not inside sizeof or alignof.
9059 (c_parser_direct_declarator_inner): Propagate errors.
9060 (c_parser_sizeof_expression): Add support for [*].
9061 (c_parser_parms_declarator): Initialize had_vla_unspec.
9062 (c_parser_parms_list_declarator): Likewise.
9063 * c-typeck.c (c_vla_type_p): Add.
9064 (composite_type): Add support for vla compositing.
9065 (comptypes_internal): Add support for vla compatibility.
9066 (c_expr_sizeof_expr): Evaluate vla arguments.
9067 * tree.c (variably_modified_type_p): Update comment for [*].
9069 2006-05-18 Michael Matz <matz@suse.de>
9072 * config.host: Make assignments to host_xmake_file cumulative.
9073 * config.host (*-darwin*): Test $host, not $target.
9075 2006-05-12 Stuart Hastings <stuart@apple.com>
9077 * config/i386/i386.opt (-mstackrealign): New flag.
9078 * config/i386/i386.c (force_align_arg_pointer): New attribute.
9079 (ix86_handle_cconv_attribute): Emit error when
9080 force_align_arg_pointer attribute collides with too many regparms.
9081 (ix86_function_regparm): Limit regparms when used with
9082 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
9083 Support stack-realigning prologue in non-main functions. Emit
9084 warning for nested functions under -mstackrealign, emit error for
9085 nested functions with force_align_arg_pointer attribute.
9086 * doc/extend.texi (force_align_arg_pointer): Document it.
9087 * doc/invoke.texi (-mstackrealign): Document it.
9089 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
9091 PR rtl-optimization/27477
9092 * combine.c (try_combine): Don't split a parallel consisting
9093 of two sets into two individual sets if both sets reference
9096 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
9098 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
9099 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
9101 * doc/options.texi (VarExists): Updated.
9103 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9105 * unwind-dw2.c: Add declarations for uw_update_context and
9107 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
9108 detected, advance frame state and context once to skip over stub.
9110 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9114 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
9115 Call rewrite_into_loop_closed_ssa only when something changed.
9116 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
9117 * lambda-code.c (can_convert_to_perfect_nest): Declared.
9118 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
9119 Test for perfect_nest_p here. Fix formating.
9120 (replace_uses_equiv_to_x_with_y): Fix formating.
9121 (stmt_uses_op): Removed.
9122 (can_convert_to_perfect_nest): Removed loopivs parameter.
9123 Complete the test by checking the scalar dependences.
9124 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
9127 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9130 From Dan Kegel <dank@kegel.com>:
9131 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
9133 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
9135 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
9136 if the element type is variably modified without recursing.
9138 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9141 * tree-loop-linear.c (try_interchange_loops): Test for
9142 no data dependences.
9144 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
9146 PR tree-optimization/27548
9147 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
9148 range of ssa names that appear on abnormal edges.
9149 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
9150 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
9152 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9155 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
9157 2006-05-17 Jakub Jelinek <jakub@redhat.com>
9160 * tree.h (OMP_PARALLEL_COMBINED): Define.
9161 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
9162 (new_omp_context): Add is_combined_parallel argument.
9163 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
9164 new_omp_context caller.
9165 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
9166 Adjust gimplify_scan_omp_clauses callers.
9167 (omp_is_private): Issue errors if iteration variable is firstprivate
9168 or reduction in the current context.
9169 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
9170 on combined parallel workshare constructs.
9172 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9174 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
9175 (gcc-options.o): New rule.
9177 * optc-gen.awk: Protect variables for gcc-options.o with
9178 #ifdef GCC_DRIVER/#endif.
9180 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
9182 Fix PR tree-optimization/27373
9183 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
9184 (forward_propagate_addr_expr): Update call.
9186 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9188 * doc/options.texi: Move the Negative option.
9190 2006-05-16 Richard Guenther <rguenther@suse.de>
9192 PR tree-optimization/22303
9193 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
9195 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
9196 ccp_fold did not simplify the statement.
9198 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9201 * Makefile.in (GCC_OBJS): New.
9202 (OBJS-common): Add opts-common.o.
9203 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
9204 (cpp$(exeext)): Likewise.
9205 (gcc.o): Also depend on opts.h.
9206 (opts-common.o): New.
9208 * common.opt (gcoff): Add Negative(gdwarf-2).
9209 (gdwarf-2): Add Negative(gstabs).
9210 (gstabs): Add Negative(gstabs+).
9211 (gstabs+): Add Negative(gvms).
9212 (gvms): Add Negative(gxcoff).
9213 (gxcoff): Add Negative(gxcoff+).
9214 (gxcoff+): Add Negative(gcoff).
9215 * config/i386/i386.opt (m32): Add Negative(m64).
9216 (m64): Add Negative(m32).
9218 * doc/options.texi: Document the Negative option.
9220 * gcc.c: Include "opts.h".
9221 (main): Call prune_options after expandargv.
9223 * optc-gen.awk: Generate common declarations for all flag
9224 variables in options.c. Output the neg_index field.
9226 * opts.c (find_opt): Moved to ...
9227 * opts-common.c: Here. New file.
9229 * opts.h (cl_option): Add a neg_index field.
9231 (prune_options): Likewise.
9233 2006-05-16 Jakub Jelinek <jakub@redhat.com>
9236 * omp-low.c (expand_omp_parallel): Don't assert
9237 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
9238 instead search for it.
9241 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
9244 2006-05-16 Andreas Schwab <schwab@suse.de>
9246 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
9249 2006-05-15 Roger Sayle <roger@eyesopen.com>
9252 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
9253 integer constants other than zero are only legitimate on TARGET_64BIT.
9254 <CONST_VECTOR> Only zero vectors are legitimate.
9255 (ix86_cannot_force_const_mem): Integral and vector constants can
9256 always be put in the constant pool.
9258 2006-05-16 DJ Delorie <dj@redhat.com>
9260 * crtstuff.c (__dso_handle): Set section from
9261 TARGET_LBIGCC_SDATA_SECTION if defined.
9262 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
9263 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
9265 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
9268 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
9271 2006-05-16 Ben Elliston <bje@au.ibm.com>
9273 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
9275 2006-05-15 Per Bothner <per@bothner.com>
9277 * tree.c: (last_annotated_node): Use source_locus typedef.
9278 This permits bootstrapping with --enable-mapped-location.
9280 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
9282 PR tree-optimization/26830
9283 * tree-into-ssa.c (struct ssa_name_info): Add age field.
9284 (info_for_ssa_name, current_info_for_ssa_name_age,
9285 blocks_to_update): New variables.
9286 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
9287 (clear_ssa_name_info, initialize_flags_in_bb,
9288 mark_block_for_update): New functions.
9289 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
9290 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
9291 prepare_def_site_for): Use mark_block_for_update.
9292 (mark_def_interesting): Assert that the processed block is marked in
9293 blocks_to_update. Do not take blocks argument.
9294 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
9296 (rewrite_update_init_block, rewrite_update_stmt): Only process
9297 blocks with statements to rewrite.
9298 (delete_update_ssa): Do not clear SSA_NAME_AUX.
9299 (update_ssa): Initialize and free blocks_to_update. Do not
9300 clear flags on statements. Do not use blocks bitmap.
9301 * tree.h (SSA_NAME_AUX): Removed.
9302 (struct tree_ssa_name): Removed aux field.
9303 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
9305 2006-05-15 Richard Guenther <rguenther@suse.de>
9307 PR tree-optimization/27603
9308 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
9309 Do computations in original type.
9311 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
9313 * see.c: Code style changes such as redundant paranthesis,
9314 redundant intialization of local variables etc.
9315 (see_main): Declared now as static.
9316 * doc/invoke.texi: Update that -fsee is not enabled by
9319 2006-05-15 Jakub Jelinek <jakub@redhat.com>
9321 * omp-low.c (check_omp_nesting_restrictions): New function.
9322 (scan_omp_1): Call it.
9325 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
9326 construct, return *VAR.
9328 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
9330 PR rtl-optimization/27406
9331 * bt-load.c (migrate_btr_def): Skip the block having abnormal
9334 2006-05-14 Roger Sayle <roger@eyesopen.com>
9336 PR rtl-optimization/27538
9337 * combine.c (expand_compound_operation): Call gen_lowpart
9338 before calling simplify_shift_const.
9340 2006-05-14 Roger Sayle <roger@eyesopen.com>
9342 PR rtl-optimization/22563
9343 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
9344 a fixed width bitfield, always force the intermediates into psuedos.
9346 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
9349 * mkconfig.sh: Use operator = instead of == for test.
9351 2006-05-13 Nick Clifton <nickc@redhat.com>
9353 * dwarf2out.c (dbx_reg_number): Check return value from
9354 LEAF_REG_REMAP and only use it if it is valid.
9355 (multiple_reg_loc_descriptor): Likewise.
9357 2006-05-13 Richard Guenther <rguenther@suse.de>
9359 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
9362 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
9364 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
9365 information attached to non-INSNs such as NOTEs.
9366 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
9368 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
9370 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
9372 * config/s390/s390.md: Adjust comment describing On constraint.
9374 2006-05-11 Jan Hubicka <jh@suse.cz>
9376 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
9377 to be output at -O0.
9379 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9382 * fold-const.c (size_binop): Move sanity check for arguments to
9383 the beginning of the function.
9386 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
9389 2006-05-11 Richard Guenther <rguenther@suse.de>
9392 * fold-const.c (fold_unary): Handle intermediate conversion
9393 to a pointer type like intermediate conversion to an integer
9394 type in folding of (T1)(T2)var to var.
9395 Match the code to the comment in the final conversion for
9396 (T1)(T2)var to (T1)var regarding to type precision. Rather
9397 than disallow T1 being of pointer type, assert that both T1
9398 and var are of pointer type or not. Make sure not to fall
9399 over the frontends lazyness wrt array to pointer decay though.
9401 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
9403 * arm.c (arm_struct_value_rtx): Delete.
9404 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
9405 (arm_init_cumulative_args): Always initialize nregs to zero.
9407 2006-05-10 Richard Guenther <rguenther@suse.de>
9409 PR tree-optimization/27532
9410 * tree-object-size.c (plus_expr_object_size): Fix typo.
9412 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
9415 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
9416 ashrdi_const, ashrdi3): Use a scratch register.
9418 2006-05-10 Richard Guenther <rguenther@suse.de>
9420 PR tree-optimization/27302
9421 * fold-const.c (operand_equal_p): For two comparisons,
9422 try comparison of one comparison code swapped if that yields
9425 2006-05-10 Ben Elliston <bje@au.ibm.com>
9427 * tree-pretty-print.c (pretty_print_string): No need to handle
9428 '\0' as a special character.
9430 * tree.h: Include "hashtab.h".
9431 (iterative_hash_expr): Use hashval_t in its prototype.
9432 * Makefile.in (TREE_H): Add $(HASHTAB_H).
9434 2006-05-09 Steve Ellcey <sje@cup.hp.com>
9437 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
9438 (hppa*64*-*-hpux11*): Ditto.
9439 (hppa[12]*-*-hpux11*): Ditto.
9441 2006-05-09 David Edelsohn <edelsohn@gnu.org>
9444 * config/rs6000/aix41.h (TARGET_64BIT): Define.
9446 2006-05-09 Michael Matz <matz@suse.de>
9448 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
9449 host_extra_gcc_objs and host_xmake_file.
9450 (<*-*-linux*>): Don't overwrite host_xmake_file.
9451 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
9452 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
9453 (host_detect_local_cpu): Declare.
9454 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
9455 * config/i386/i386.c (override_options): Handle -mtune=native
9457 * config/i386/x-i386: New file.
9458 * config/i386/driver-i386.c: New file.
9459 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
9462 2006-05-09 Dirk Mueller <dmueller@suse.de>
9463 Richard Guenther <rguenther@suse.de>
9466 * fold-const.c (fold_read_from_constant_string): Relax check
9467 for matching types to matching modes.
9469 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
9471 PR rtl-optimization/27335
9472 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
9475 2006-05-08 Chao-ying Fu <fu@mips.com>
9476 Richard Sandiford <richard@codesourcery.com>
9478 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
9479 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
9480 * config/mips/mips.md (UNSPEC_SCC): New constant.
9481 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
9482 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
9483 (mips_emit_compare): Use it.
9484 (mips_expand_vcondv2sf): New function.
9486 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
9488 Fix PR tree-optimization/27093
9489 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
9490 renaming when they become not-used_alone.
9492 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9494 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
9495 relocation and relocation stubs.
9497 2006-05-08 Eric Christopher <echristo@apple.com>
9499 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
9502 2006-05-08 Jan Hubicka <jh@suse.cz>
9505 * cgraphunit.c (decide_is_function_needed): When not optimizing even
9506 unused static functions are needed.
9508 2006-05-08 Roger Sayle <roger@eyesopen.com>
9511 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9512 of a reg_equiv_constant if the result is a legitimate constant.
9514 2006-05-08 Uros Bizjak <uros@kss-loka.si>
9517 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
9518 standard 80387 constants, raise the cost to prevent
9519 compress_float_constant() to generate load from memory.
9521 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
9523 * config/arm/constraints.md (c): Fix a typo.
9525 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
9528 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
9531 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
9533 (_mm_mwait): Likewise.
9535 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
9537 (sse3_monitor): Make it 32bit only.
9538 (sse3_monitor64): New. 64bit monitor.
9540 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9543 * config/i386/i386.c (classify_argument): Skip fields with invalid
9546 2006-05-07 Richard Guenther <rguenther@suse.de>
9548 PR tree-optimization/27409
9549 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9550 Do not try to find zero-sized subvars.
9552 2006-05-07 Richard Guenther <rguenther@suse.de>
9554 PR tree-optimization/27136
9555 * tree-ssa-loop-niter.c (get_val_for): Correct function
9556 comment, assert requirements.
9557 (loop_niter_by_eval): Stop processing if the iterated
9558 value did not simplify.
9560 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
9562 * opts.c (flag_see): remove its setting at -O3.
9564 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
9566 * genpeep.c (main): Make insn-peep.c depend on flags.h.
9567 * arm/constraints.md: New file.
9568 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
9569 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
9570 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
9571 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
9572 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
9573 (EXTRA_MEMORY_CONSTRAINT): Likewise.
9574 * arm.md: Include constraints.md.
9575 (thumb_movsi_insn): Use satisfies_constraint_J.
9576 (movhi, movqi): Use satisfies_constraint_I.
9578 2006-04-29 Anatoly Sokolov <aesok@post.ru>
9580 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
9581 for atmeg a645 device.
9583 2006-05-06 Richard Guenther <rguenther@suse.de>
9585 PR tree-optimization/27151
9586 * tree-vect-transform.c (vectorizable_condition): Punt on
9587 values that have a different type than the condition.
9589 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
9592 * c-parser.c (c_parser_cast_expression): Only insert casts into
9593 hash table if pointer.
9594 * function.c (used_types_insert_helper): Rename from
9596 (used_types_insert): Call used_types_insert_helper.
9597 * function.h (used_types_insert): Accept only one argument.
9599 2006-05-05 David Edelsohn <edesohn@gnu.org>
9601 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
9602 scratch with output modifier.
9604 2006-05-04 David Edelsohn <edelsohn@gnu.org>
9607 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
9608 with output modifier.
9610 2006-05-04 Richard Sandiford <richard@codesourcery.com>
9613 * config/mips/mips.c (mips_symbolic_address_p): Return true
9614 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
9615 SYMBOL_GOTTPREL, and SYMBOL_TLS.
9617 2006-05-04 Richard Guenther <rguenther@suse.de>
9619 PR tree-optimization/14287
9620 PR tree-optimization/14844
9621 PR tree-optimization/19792
9622 PR tree-optimization/21608
9623 PR tree-optimization/27090
9624 * tree-ssa-pre.c (try_combine_conversion): New function.
9625 (compute_avail): After constructing the value-handle
9626 expression, use try_combine_conversion to combine NOP_EXPRs
9627 with previous value-handle expressions and use the result if it
9630 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
9632 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
9634 2006-05-04 Jan Hubicka <jh@suse.cz>
9637 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
9639 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
9641 * config/bfin/predicates.md (const01_rtx): Tell generator programs
9642 that this only matches CONST_INTs. All users changed to VOIDmode
9645 * config/bfin/bfin.c: Include "optabs.h".
9646 (bfin_rtx_costs): Some costs for vector operations, to allow combine
9648 (enum bfin_builtins): Add a number of fractional and vector builtins.
9649 (bfin_init_builtins): Likewise.
9650 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
9651 (safe_vector_operand, bfin_expand_binop_builtin,
9652 bfin_expand_unop_builtin): New functions.
9653 (bfin_expand_builtin): Handle the new builtins.
9654 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9657 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
9660 * Makefile.in (OBJS-common): Add see.o.
9661 (see.o): Add dependencies.
9662 * common.opt (fsee): New flag for the see optimization was added.
9663 * opts.c (flag_see): Initialized.
9664 * passes.c (init_optimization_passes, pass_see): New pass.
9665 * rtl.h (see_main): Declaration as extern.
9666 * timevar.def (TV_SEE): New.
9667 * tree-pass.h (pass_see): Declaration as extern.
9668 * invoke.texi (-fsee): Document.
9669 * recog.c (validate_simplify_insn): New function.
9670 * recog.h (validate_simplify_insn): Declaration as extern.
9671 * df-problems.c (df_chain_dump): Check for NULL.
9673 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
9674 Daniel Berlin <dberlin@dberlin.org>
9676 * cfgrtl.c (insert_insn_bb_end_new): New function.
9677 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
9679 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9681 * df.h (struct web_entry): Moved from web.c.
9682 (union_defs): Declaration as extern.
9683 (unionfind_root): Likewise.
9684 (unionfind_union): Likewise.
9685 * web.c (struct web_entry): Moved to df.h.
9686 (unionfind_root): Remove static declaration.
9687 (unionfind_union): Likewise.
9688 (union_defs): Likewise and generalize to use callback function.
9689 (web_main): Update arguments for union_defs function call.
9691 2006-05-04 Richard Guenther <rguenther@suse.de>
9693 PR tree-optimization/26447
9694 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
9695 produce SSA_NAME copies before the store stmt to avoid
9696 breaking exception handling.
9698 2006-05-04 Jakub Jelinek <jakub@redhat.com>
9701 * gimplify.c (omp_is_private): If var is shared in some outer context,
9702 return false instead of true. Stop searching on parallel context
9705 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
9708 * coverage.c: Use get_gcov_unsigned_t() instead of
9709 unsigned_type_node all over.
9711 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
9713 PR tree-optimization/27381
9714 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
9715 maintain the same immediate_use links.
9716 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
9717 node rather than segfaulting.
9719 2006-05-03 Jakub Jelinek <jakub@redhat.com>
9722 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
9723 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
9724 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
9726 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
9728 Fix PR tree-optimization/26626
9729 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
9731 * tree-ssa-operands.c (access_can_touch_variable): Allow
9732 typecasting through union pointers.
9734 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9737 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
9738 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
9739 to find if var will be a global variable even in the nested context.
9740 (omp_copy_decl): Only check for global variable at the end, it might
9741 be overridden in outer contexts.
9742 (scan_sharing_clauses): For global variables don't create a field.
9743 (lower_rec_input_clauses): Do nothing for global shared variables.
9744 Emit a barrier at the end of ILIST if there were any decls in both
9745 firstprivate and lastprivate clauses.
9746 (lower_send_clauses): Do nothing for global variables except for
9749 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
9751 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
9752 of the correct signedness is returned.
9754 2006-05-02 Jeff Law <law@redhat.com>
9756 PR tree-optimization/27364
9757 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
9758 multiply expressions.
9760 2006-05-02 Tom Tromey <tromey@redhat.com>
9762 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
9764 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
9767 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
9768 -mthumb -fPIC are used.
9770 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
9771 Joshua Kinard <kumba@gentoo.org>
9774 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
9775 with 64-bit pointers.
9777 2006-05-02 Paul Brook <paul@codesourcery.com>
9779 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
9781 (create_fix_barrier): Check that a suitable barrier location is
9783 (arm_reorg): Include ftmp->address in allowable range of addresses.
9785 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
9788 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
9791 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9794 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
9795 around RESULT_DECL for result passed by reference.
9796 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
9797 * omp-low.c (use_pointer_for_field): Don't look at
9798 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
9799 (scan_omp_1): Call remap_decl on RESULT_DECLs.
9800 (lower_rec_input_clauses): Don't allocate VLA memory for the second
9801 time or var for passing by reference for
9802 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
9803 TREE_ADDRESSABLE variables when passing by reference.
9805 * omp-low.c (dump_omp_region): Fix output formatting.
9808 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
9809 (expand_omp_parallel): Likewise.
9810 * tree-cfg.c (move_sese_region_to_fn): Likewise.
9813 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
9814 on statement list containing also constructors and destructors.
9815 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
9818 * except.c (duplicate_eh_regions): Fix clearing of
9819 cfun->eh->region_array entries.
9821 2006-05-01 DJ Delorie <dj@redhat.com>
9823 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
9825 (gcc_cv_objdump): Likewise.
9826 * configure: Regenerated.
9828 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
9831 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
9832 templates for case 3 and 4.
9834 2006-05-01 DJ Delorie <dj@redhat.com>
9836 * vec.c: Include bconfig.h when appropriate.
9837 * Makefile.in (build/vec.o): Adjust dependencies.
9838 * mkconfig.sh: Make sure config.h isn't used for build machine
9841 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9843 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
9845 (mark_phi_for_rewrite): New function.
9846 (insert_phi_nodes_for, mark_use_interesting): Call
9847 mark_phi_for_rewrite.
9848 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
9849 (update_ssa): Initialize and free phis_to_rewrite.
9851 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9853 PR rtl-optimization/27291
9854 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
9855 folded to a constant.
9857 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9859 PR tree-optimization/27283
9860 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
9861 not whole # of iteration descriptions.
9862 (niter_for_exit): Return just # of iterations. Fail if # of iterations
9863 uses abnormal ssa name.
9864 (niter_for_single_dom_exit): Ditto.
9865 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
9866 return just the number of iterations.
9868 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9870 PR tree-optimization/27144
9871 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
9872 (record_estimate): Only record constant upper bound.
9873 (infer_loop_bounds_from_undefined): Call
9874 compute_estimated_nb_iterations just once.
9875 (proved_non_wrapping_p): Renamed to ...
9876 (n_of_executions_at_most): ... this. Expect bound to be a constant.
9877 (convert_step_widening, scev_probably_wraps_p): Call
9878 n_of_executions_at_most instead of proved_non_wrapping_p.
9879 (substitute_in_loop_info): Do not replace values in bounds.
9880 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
9883 2006-05-01 Richard Henderson <rth@redhat.com>
9886 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
9887 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
9890 2006-05-01 Roger Sayle <roger@eyesopen.com>
9892 * c-typeck.c (parser_build_binary_op): Don't call the function
9893 unsigned_conversion_warning to spot operand/result type overflow.
9894 (build_binary_op): Instead, call convert_and_check instead of
9895 convert to report the problem when the operands are promoted.
9896 * c-common.c (unsigned_conversion_warning): Make static.
9897 * c-common.h (unsigned_conversion_warning): Delete prototype.
9899 2006-05-01 Richard Guenther <rguenther@suse.de>
9901 PR tree-optimization/26726
9902 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
9904 (find_interesting_uses_address): ... we work around here
9905 by folding INDIRECT_REFs in the substituted base.
9907 2006-05-01 Diego Novillo <dnovillo@redhat.com>
9909 * omp-low.c (dump_omp_region): Add newlines.
9911 2006-04-30 Roger Sayle <roger@eyesopen.com>
9913 * common.opt (Woverflow): New command line option.
9914 * c-common.c (constant_expression_warning): Check warn_overflow.
9915 (overflow_waring): Pass OPT_Woverflow to warning.
9916 (unsigned_conversion_warning): Likewise.
9917 (convert_and_check): Likewise.
9918 * doc/invoke.texi: Document new command line option.
9920 2006-04-30 David Edelsohn <edelsohn@gnu.org>
9922 * config/rs6000/rs6000.c (rs6000_override_options): Enable
9923 TARGET_NO_FP_IN_TOC for section anchors.
9924 (optimization_options): Enable section anchors for all
9925 non-"Objective" languages.
9927 2006-04-28 Eric Christopher <echristo@apple.com>
9929 * config/darwin-c.c (darwin_ms_struct): Move this
9930 (darwin_set_default_type_attributes): and this...
9931 * config/darwin.c: ... here.
9932 * config/darwin.h (darwin_ms_struct): Declare.
9934 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
9936 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
9938 2006-04-28 Roger Sayle <roger@eyesopen.com>
9941 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
9942 (push_array_bounds): Delete prototype. Change BOUNDS argument to
9943 an unsigned HOST_WIDE_INT.
9944 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
9946 (really_start_incremental_init): No need to call convert because
9947 bitsize_zero_node is already of type bitsizetype.
9948 (push_init_level): Extract the value of constructor_index as an
9949 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
9950 (process_init_element): Likewise.
9952 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
9954 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
9955 value before passing to make_relative_prefix.
9957 2006-04-28 Alan Modra <amodra@bigpond.net.au>
9960 * builtins.c (expand_builtin_memset): Expand val in original mode.
9962 2006-04-27 Eric Christopher <echristo@apple.com>
9964 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
9965 with #ifndef/#endif.
9966 * config/darwin-c.c (darwin_ms_struct): New.
9967 (darwin_pragma_ms_struct): Ditto.
9968 (darwin_set_default_type_attributes): Ditto.
9969 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
9970 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
9971 Register ms_struct pragma.
9972 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
9973 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
9974 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
9975 darwin_set_default_type_attributes if TARGET_MACHO.
9977 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
9979 PR tree-optimization/26854
9980 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
9981 * doc/tree-ssa.texi: Update immuse iterator documentation.
9982 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
9983 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
9984 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
9985 first_safe_imm_use, next_safe_imm_use): Remove.
9986 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
9987 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
9988 (move_use_after_head): New. Helper function to sort immuses in a stmt.
9989 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
9990 (first_imm_use_stmt): New. Get first stmt in an immuse list.
9991 (next_imm_use_stmt): New. Get next stmt in an immuse list.
9992 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
9993 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
9994 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
9995 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
9996 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
9997 (perfect_nestify): Use new iterator.
9998 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
10000 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
10001 (next_imm_name): New field in struct immediate_use_iterator_d.
10002 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
10003 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
10004 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
10005 * tree-cfg.c (replace_uses_by): Use new iterator.
10006 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
10007 * tree-ssa-operands.c (correct_use_link): Remove.
10008 (finalize_ssa_use_ops): No longer call correct_use_link.
10010 2006-04-27 Stuart Hastings <stuart@apple.com>
10012 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
10013 * config/t-darwin (crt3.o): Use it.
10014 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
10015 'pmode', use Pmode instead of SImode for SYMBOL_REF.
10016 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
10017 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
10018 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
10021 2006-04-27 Roger Sayle <roger@eyesopen.com>
10023 * expmed.c (store_fixed_bit_field): If we're not optimizing for
10024 size, force the intermediate into a new pseudo rather instead of
10025 performing both a bitwise AND and a bitwise IOR in memory.
10027 2006-04-27 Richard Guenther <rguenther@suse.de>
10029 PR rtl-optimization/26685
10030 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
10031 this one "max-flow-memory-locations".
10033 2006-04-27 Richard Guenther <rguenther@suse.de>
10035 PR tree-optimization/25148
10036 * tree-vrp.c (compare_values): Remove code dealing with
10037 comparisons against type min/max value. Honour overflow
10038 and negative constants in code dealing with comparisons
10039 of plus and minus expressions.
10040 (value_inside_range): Use fold_binary with LE_EXPR and
10041 GE_EXPR rather than compare_values.
10043 2006-04-27 Dirk Mueller <dmueller@suse.de>
10045 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
10048 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
10050 * basic-block.h (safe_insert_insn_on_edge): Removed.
10051 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
10053 2006-04-26 David Edelsohn <edelsohn@gnu.org>
10054 Paolo Bonzini <bonzini@gnu.org>
10056 PR middle-end/27282
10057 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
10058 (simplify_and_const_int): Same.
10060 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
10062 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
10064 2006-04-26 Jakub Jelinek <jakub@redhat.com>
10067 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
10068 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
10069 cgraph_global_info_ready.
10071 PR middle-end/26913
10072 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
10075 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
10076 either decl or init is error_mark_node.
10078 PR middle-end/25989
10079 * tree-flow.h (struct omp_region): Add sched_kind.
10080 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
10081 instead of extracting omp for data.
10082 (expand_omp_for): Save extracted sched_kind.
10084 2006-04-25 Roger Sayle <roger@eyesopen.com>
10086 * expmed.c (store_bit_field): Also check whether the bitsize is
10087 valid for the machine's "insv" instruction before moving the
10088 target into a pseudo for use with the insv.
10089 * config/i386/predicates.md (const8_operand): New predicate.
10090 * config/i386/i386.md (extv, extzv, insv): Use the new
10091 const8_operand predicate where appropriate.
10093 2006-04-25 DJ Delorie <dj@redhat.com>
10095 * doc/install.texi (Specific): Clarify that this is not a list of
10096 supported hosts or targets.
10098 2006-04-25 Richard Sandiford <richard@codesourcery.com>
10100 PR rtl-optimization/26725
10101 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
10102 block's BB_DIRTY flag.
10104 2006-04-25 Geoffrey Keating <geoffk@apple.com>
10106 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
10109 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
10110 to print an integer.
10112 2006-04-25 David Edelsohn <edelsohn@gnu.org>
10114 * varasm.c (align_variable): New function.
10115 (get_block_for_decl): Apply align_variable to DECL before
10116 calculating section information.
10117 (assemble_variable): Split out alignment computation.
10119 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
10121 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
10124 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
10126 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
10127 MODE_PARTIAL_INT mode.
10128 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
10129 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
10131 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
10132 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
10134 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
10136 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
10138 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
10139 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
10140 MACFLAG_IH): Likewise.
10141 (movstricthi_1): Renamed from "*movstricthi".
10142 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
10143 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
10144 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
10145 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
10146 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
10147 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
10148 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
10149 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
10150 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
10151 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
10152 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
10153 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
10154 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
10155 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
10156 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
10158 * doc/rtl.texi (ss_ashift): Improve wording.
10160 2006-04-24 Geoffrey Keating <geoffk@apple.com>
10162 * dwarf2out.c (verify_marks_clear): New.
10163 (prune_unused_types): Call verify_marks_clear initially, not
10166 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
10168 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
10169 * doc/rtl.texi: Document them.
10170 * simplify-rtx.c (simplify_unary_operation,
10171 simplify_binary_operation_1): Don't abort when we see them.
10173 2006-04-24 Mark Mitchell <mark@codesourcery.com>
10176 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10177 * configure.ac: Completely disregard languages that are not
10179 * configure: Regenerated.
10181 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10182 Richard Guenther <rguenther@suse.de>
10184 PR tree-optimization/27236
10185 * tree-inline.c (copy_body_r): Make sure to copy
10186 TREE_THIS_VOLATILE flag.
10188 2006-04-24 Richard Guenther <rguenther@suse.de>
10190 PR middle-end/26869
10191 * tree-complex.c (update_parameter_components): Don't handle
10192 unused parameters which have no default def.
10194 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10195 Richard Guenther <rguenther@suse.de>
10197 PR tree-optimization/27218
10198 * tree-inline.c (expand_call_inline): Strip useless type
10199 conversions for the return slot address.
10201 2006-04-24 Richard Guenther <rguenther@suse.de>
10203 * cfgloop.h (struct loops): Remove unused field array. Reorder
10205 (LOOP_PREFETCH): Remove.
10207 2006-04-24 Richard Guenther <rguenther@suse.de>
10209 PR tree-optimization/22525
10210 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
10211 variable, adjust types of generated expressions.
10213 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
10215 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
10216 (tree-vect-patterns.o): Likewise.
10217 (jump.o): Likewise.
10218 (cselib.o): Likewise.
10219 (loop-doloop.o): Likewise.
10220 (regclass.o): Likewise.
10221 (reload1.o): Likewise.
10222 (explow.o): Replace target.h with $(TARGET_H).
10223 (ipa-prop.o): Likewise.
10224 (ipa-cp.o): Likewise.
10225 (ipa-inline.o): Likewise.
10226 (reorg.o): Likewise.
10227 (reg-stack.o): Likewise.
10229 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10231 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
10233 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10235 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
10237 * configure.ac: Completely disregard languages that are not
10239 * configure: Regenerated.
10242 * c-common.h (c_build_bitfield_integer_type): Declare.
10243 * c-decl.c (c_build_bitfield_integer_type): Move to ...
10244 * c-common.c (c_build_bitfield_integer_type): ... here.
10246 2006-04-23 Roger Sayle <roger@eyesopen.com>
10249 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
10250 a SImode SUBREG of a floating point register after no_new_pseudos.
10252 2006-04-23 Roger Sayle <roger@eyesopen.com>
10254 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
10255 identify potentially eliminable registers to additionally catch
10256 VIRTUAL_INCOMING_ARGS_REGNUM.
10257 (addsi3): Update the conditions on when to use addsi_small_int.
10259 2006-04-23 Roger Sayle <roger@eyesopen.com>
10262 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
10263 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
10264 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
10266 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10268 * fold-const.c (range_predecessor): Use operand_equal_p
10269 as the predicate for equality.
10270 (range_successor): Likewise.
10272 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10275 * config/soft-fp/op-common.h: Fix a typo.
10277 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
10279 PR libmudflap/26864
10280 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
10281 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
10283 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10285 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
10287 * doc/tm.texi: Fix a typo.
10289 2006-04-21 Geoffrey Keating <geoffk@apple.com>
10291 * dwarf2out.c (struct die_struct): Document that die_sib makes
10292 a circular linked list.
10293 (FOR_EACH_CHILD): New.
10294 (reverse_die_lists): Delete.
10295 (reverse_all_dies): Delete.
10296 (add_dwarf_attr): Correct documentation.
10297 (remove_child_with_prev): New.
10298 (remove_child_TAG): Update for change to die_struct, use
10299 remove_child_with_prev.
10300 (add_child_die): Update for change to die_struct.
10301 (splice_child_die): Use remove_child_with_prev and add_child_die.
10302 (print_die): Use FOR_EACH_CHILD.
10303 (die_checksum): Likewise.
10304 (assign_symbol_names): Likewise.
10305 (output_location_lists): Likewise.
10306 (build_abbrev_table): Likewise.
10307 (calc_die_sizes): Likewise.
10308 (mark_dies): Likewise.
10309 (unmark_dies): Likewise.
10310 (unmark_all_dies): Likewise.
10311 (output_die): Likewise.
10312 (prune_unused_types_mark): Likewise.
10313 (prune_unused_types_walk): Likewise.
10314 (same_die_p): Update for change to die_struct.
10315 (break_out_includes): Likewise.
10316 (prune_unused_types_prune): Likewise.
10317 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
10318 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
10319 it's already clear.
10320 (dwarf2out_finish): Don't call reverse_all_dies.
10322 2006-04-21 Eric Christopher <echristo@apple.com>
10324 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
10325 in comments and function names.
10327 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10330 * c-typeck.c (digest_init): Robustify.
10332 * c-typeck.c (pop_init_level): Simplify.
10334 2006-04-21 Steve Ellcey <sje@cup.hp.com>
10336 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
10338 2006-04-21 Paul Brook <paul@codesourcery.com>
10340 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
10341 hardware floating point.
10343 2006-04-21 David Edelsohn <edelsohn@gnu.org>
10345 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
10348 2006-04-21 Nick Clifton <nickc@redhat.com>
10350 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
10353 2006-04-21 Alan Modra <amodra@bigpond.net.au>
10356 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
10357 C++ lang type in traceback table for Objective-C++.
10359 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
10361 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
10363 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
10365 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10368 * tree-mudflap.c (mudflap_finish_file): Skip function when there
10369 were errors. Remove check for erroneous objects.
10371 2006-04-20 Jeff Law <law@redhat.com>
10373 PR tree-optimization/26854
10374 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
10375 checking for zero or one use.
10376 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
10377 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
10378 * tree-ssa-reassoc.c (negate_value): Similarly.
10379 (reassociate_bb): Similarly.
10381 2006-04-20 Jakub Jelinek <jakub@redhat.com>
10383 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
10384 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
10385 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
10387 2006-04-20 Alan Modra <amodra@bigpond.net.au>
10389 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
10390 fp regs if the last fp arg doesn't fit in regs.
10392 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
10395 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
10396 that the last insn has the REG_INC note.
10398 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
10399 Nathan Sidwell <nathan@codesourcery.com>
10402 * stor-layout.c (update_alignment_for_field): Do not align
10404 (place_union_field): Place union field at the start of the union.
10405 (place_field): Move ERROR_MARK check later, and use the current
10406 allocation position to maintain monotonicity.
10408 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
10410 * dominance.c: Include timevar.h.
10411 (calculate_dominance_info): Use TV_DOMINANCE.
10412 * timevar.def (TV_DOMINANCE): New timevar.
10413 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
10415 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10417 PR rtl-optimization/14261
10418 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
10419 move would be an INSV insn.
10420 (noce_process_if_block): Don't optimize if the destination is a
10421 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
10423 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10425 * config/s390/s390.md: Add comments with the instructions emitted
10426 by an insn pattern if macros are used.
10428 2006-04-19 Alan Modra <amodra@bigpond.net.au>
10430 PR rtl-optimization/26026
10431 * fold-const.c (fold_binary): Optimize div and mod where the divisor
10432 is a known power of two shifted left a variable amount.
10434 2006-04-18 Geoffrey Keating <geoffk@apple.com>
10436 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
10437 to hash table twice when the debug_str section has SECTION_MERGE.
10439 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
10441 * config/soft-fp: New directory. From glibc.
10442 * config/soft-fp/t-softfp: New.
10443 * config/soft-fp/README: New.
10444 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
10445 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
10446 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
10447 (LIBGCC_DEPS): Add $(SFP_MACHINE).
10448 * config.gcc: Use rs6000/t-fprules-fpbit or
10449 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
10451 * config/rs6000/sfp-machine.h: New. Based on glibc.
10452 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
10454 * config/rs6000/t-fprules: Remove fp-bit rules.
10455 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
10456 * config/rs6000/t-linux64: Likewise. Remove duplicates from
10457 LIB2FUNCS_EXTRA. Remove fp-bit rules.
10458 (softfp_wrap_start, softfp_wrap_end): New.
10460 2006-04-18 DJ Delorie <dj@redhat.com>
10462 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
10464 2006-04-18 Devang Patel <dpatel@apple.com>
10466 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
10468 2006-04-18 Nick Clifton <nickc@redhat.com>
10470 * config/sh/t-symbian: Add rule to build sh-c.o
10471 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
10472 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
10473 (sh_symbian_encode_section_info): Likewise.
10475 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
10477 * builtins.c (expand_builtin_strcmp): Cover label definition of
10478 do_libcall with HAVE_cmpstrnsi.
10480 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
10482 * function.c (temp_slots_at_level, max_slot_level): Use VEC
10484 * function.h (temp_slot_p): New.
10485 (function): Change the type of x_used_temp_slots to
10486 VEC(temp_slot_p,gc) *.
10488 2006-04-18 Nick Clifton <nickc@redhat.com>
10490 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
10491 flag_strength_reduce.
10493 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
10495 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10499 Partial revert of revision 112637
10500 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10501 Dale Johannesen <dalej@apple.com>
10504 * regclass.c (struct reg_pref): Update documentation.
10505 (regclass): Set prefclass to NO_REGS if memory is the best option.
10506 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10508 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10510 PR tree-optimization/26821
10511 * tree-ssa-math-opts.c (get_constant_one): New.
10512 (insert_reciprocals): Use it.
10514 2006-04-17 Geoffrey Keating <geoffk@apple.com>
10516 * dwarf2out.c (free_AT): Delete.
10517 (remove_AT): Update string ref counts.
10518 (remove_child_TAG): Don't call free_die.
10519 (free_die): Delete.
10520 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
10521 or DW_TAG_GNU_EINCL.
10522 (prune_unused_types_walk_attribs): Reset string refcounts.
10523 (prune_unused_types_update_strings): New.
10524 (prune_unused_types_prune): Don't make unnecessary stores. Don't
10525 call free_die. Do call prune_unused_types_update_strings.
10526 (prune_unused_types): Empty debug_str_hash.
10528 2006-04-17 Roger Sayle <roger@eyesopen.com>
10530 * expr.c (expand_assignment): Optimize away no-op moves where the
10531 source and destination are equal and have no side-effects.
10533 2006-04-17 Richard Guenther <rguenther@suse.de>
10536 * reload.c (push_reload): Guard calls to get_secondary_mem
10537 for memory subregs.
10539 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
10541 * alias.c (reg_base_value, old_reg_base_value): Change the
10542 type to VEC(rtx,gc) *.
10543 (REG_BASE_VALUE, find_base_value, record_set,
10544 init_alias_analysis): Use VEC instead of VARRAY.
10546 * alias.c (alias_sets): Change the type to
10547 VEC(alias_set_entry,gc) *.
10548 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
10549 VEC instead of VARRAY.
10550 (last_alias_set): Remove.
10552 * cgraph.h (cgraph_edge_p): New.
10553 Update the prototype of cgraph_function_versioning.
10554 * cgraphunit.c (cgraph_copy_node_for_versioning,
10555 cgraph_function_versioning): Use VEC instead of VARRAY.
10556 * ipa-cp.c (ipcp_insert_stage): Likewise.
10558 2006-04-16 Roger Sayle <roger@eyesopen.com>
10561 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
10562 "A op B" or "A op C", we may need to convert A to the type of B and C.
10564 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
10566 * target.h (struct gcc_target): Add mode_rep_extended.
10567 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
10568 (init_num_sign_bit_copies_in_rep): Initialize it using
10570 (truncate_to_mode): Use it.
10571 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
10572 * targhooks.h (default_mode_rep_extended): Declare it.
10573 * targhooks.c (default_mode_rep_extended): Define it.
10574 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
10575 default_mode_rep_extended.
10576 (TARGET_INITIALIZER): Include it.
10577 * doc/tm.texi (Misc): Document it.
10578 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
10579 (mips_truncated_to_mode): New function.
10581 2006-04-16 Roger Sayle <roger@eyesopen.com>
10583 PR middle-end/25474
10584 * expr.c (compress_float_constant): Copy the narrow constant into
10585 a new pseudo before extending it to its final width.
10587 2006-04-16 Roger Sayle <roger@eyesopen.com>
10588 Andrew Pinski <pinskia@gcc.gnu.org>
10589 Dale Johannesen <dalej@apple.com>
10592 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
10593 special case code to implement V8HImode and V16QImode with SSE2.
10595 2006-04-15 Roger Sayle <roger@eyesopen.com>
10597 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
10598 trees are constructed with a suitable tree type.
10600 2006-04-15 Roger Sayle <roger@eyesopen.com>
10602 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
10603 (integer_onep): Likewise.
10604 (integer_all_onesp): Likewise.
10605 (integer_pow2p): Likewise.
10606 (integer_nonzerop): Likewise.
10607 (real_zerop): Likewise.
10608 (real_onep): Likewise.
10609 (real_twop): Likewise.
10610 (real_minus_onep): Likewise.
10611 (int_size_in_bytes): Likewise.
10612 (host_integerp): Likewise.
10614 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
10616 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
10617 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
10618 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
10620 * tree-ssa-structalias.h (alias_info): Remove num_references.
10622 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10624 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
10625 (output_bvb patterns): Likewise.
10626 * pa.c (output_bb): Use 'bb' insn for long branch case.
10627 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
10628 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
10629 1. Correct length operand for alternatives 1 and 2.
10630 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
10631 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
10633 2006-04-14 Roger Sayle <roger@eyesopen.com>
10635 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
10636 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
10637 were accidentally reverted by r112959.
10639 2006-04-15 Jakub Jelinek <jakub@redhat.com>
10641 PR middle-end/26823
10642 * except.h (eh_region_outermost): New prototype.
10643 * except.c (eh_region_outermost): New function.
10644 * tree-cfg.c (find_outermost_region_in_block): Use it.
10646 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10648 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
10650 * reload1.c (reg_equiv_memory_loc_varray): Rename to
10651 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
10652 (init_reload, reload): Use VEC instead of VARRAY.
10653 * reload.h: Update the prototype for
10654 reg_equiv_memory_loc_varray.
10656 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
10657 Eric Botcazou <ebotcazou@libertysurf.fr>
10659 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
10660 register save area.
10662 2005-04-13 Uros Bizjak <uros@kss-loka.si>
10664 PR middle-end/27134
10665 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
10666 to expand fallback builtin function call.
10668 2006-04-14 Alan Modra <amodra@bigpond.net.au>
10670 PR middle-end/27095
10671 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
10672 and emit libcall here in case the builtin fails.
10673 (expand_builtin_strcmp): Always emit the libcall here on failure.
10675 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10677 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
10678 * flow.c (reg_n_info): Change the type to
10679 VEC(reg_info_p,heap) *.
10680 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
10682 * regs.h (reg_info_p): New.
10683 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
10684 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
10685 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
10688 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
10690 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
10692 * params.h (MAX_SCHED_READY_INSNS): New macro.
10693 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
10694 past MAX_SCHED_READY_INSNS during the first scheduling pass.
10695 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
10696 the ready list for 1 cycle during the first scheduling pass.
10697 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
10699 2006-04-13 Richard Henderson <rth@redhat.com>
10702 * gimple-low.c (lower_omp_directive): Remove dead code.
10703 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
10704 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
10705 * omp-low.c (struct omp_region): Move to tree-flow.h.
10706 (root_omp_region): Export.
10707 (omp_regions, lookup_omp_region): Remove.
10708 (determine_parallel_type): Update for struct omp_region changes.
10709 (dump_omp_region): Dump regions with block numbers.
10710 (new_omp_region): Take type and block instead of stmt; malloc
10712 (free_omp_region_1, free_omp_regions): New.
10713 (expand_parallel_call): Take entry_stmt as argument; update for
10714 changes to omp_region.
10715 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
10716 (remove_exit_barriers): New.
10717 (expand_omp_parallel): Update for struct omp_region changes.
10718 (expand_omp_synch): Likewise.
10719 (expand_omp): Likewise.
10720 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
10721 (expand_omp_for_static_chunk): Likewise.
10722 (expand_omp_for): Likewise.
10723 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
10724 (expand_omp_sections): Similarly, with GOMP_sections_end.
10725 (expand_omp_single): New.
10726 (build_omp_regions_1): Update for OMP_CONTINUE.
10727 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
10728 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
10729 OMP_SECTIONS_SECTIONS.
10730 (lower_omp_single_simple): Don't emit barrier here.
10731 (lower_omp_single_copy): Likewise.
10732 (lower_omp_single): Fix bindings, and lower to straightline now.
10733 (lower_omp_master, lower_omp_ordered): Likewise.
10734 (lower_omp_critical): Likewise.
10735 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
10736 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
10737 omp edges, free it afterward.
10738 (make_omp_sections_edges): Remove.
10739 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
10740 (move_stmt_r): Handle OMP_CONTINUE.
10741 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
10742 statement pointers to basic blocks. Add type member.
10743 (root_omp_region, new_omp_region, free_omp_regions): Declare.
10744 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
10745 * tree-inline.c (estimate_num_insns_1): Likewise.
10746 * tree-pretty-print.c (dump_generic_node): Likewise.
10747 * tree-ssa-operands.c (get_expr_operands): Likewise.
10748 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
10749 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
10750 (OMP_CONTINUE): New.
10751 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
10752 (OMP_SECTIONS_SECTIONS): Remove.
10753 (OMP_SECTION_LAST): New.
10754 (OMP_RETURN_NOWAIT): New.
10756 2006-04-13 Roger Sayle <roger@eyesopen.com>
10758 * fold-const.c (native_encode_vector, native_interpret_real):
10759 Correct obvious mistakes in the previous check-in.
10761 2006-04-13 Roger Sayle <roger@eyesopen.com>
10763 * fold-const.c (native_encode_expr): New function to encode
10764 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
10765 or VECTOR_CST into a specified buffer.
10766 (native_encode_int): New function.
10767 (native_encode_real): New function.
10768 (native_encode_complex): New function.
10769 (native_encode_vector): New function.
10770 (native_interpret_expr): Inverse of native_encode_expr to convert
10771 a target representation into an INTEGER_CST, REAL_CST etc...
10772 (native_interpret_int): New function.
10773 (native_interpret_real): New function.
10774 (native_interpret_complex): New function.
10775 (native_interpret_vector): New function.
10776 (fold_view_convert_expr): New function to constant fold/evaluate
10777 a VIEW_CONVERT_EXPR of a suitable constant expression.
10778 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
10779 Change call of build1 to fold_build1 when constructing a
10782 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
10783 Ulrich Weigand <uweigand@de.ibm.com>
10786 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
10789 2006-04-13 Alan Modra <amodra@bigpond.net.au>
10792 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
10793 optimize to lo_sum for DFmode if !TARGET_FPRS.
10795 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10797 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
10798 delete_alias_info, compute_flow_sensitive_aliasing,
10799 group_aliases): Use VEC instead of VARRAY.
10800 * tree-ssa-structalias.c (update_alias_info): Likewise.
10801 * tree-ssa-structalias.h (alias_info): Change the type of
10802 processed_ptrs to VEC(tree,heap) *.
10804 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
10807 * config/sh/lib1funcs.h: New file, broken out of:
10808 * config/sh/lib1funcs.asm.
10809 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
10811 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
10812 * config/sh/lib1funcs-Os-4-200.asm: New file.
10813 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
10814 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
10815 (EXTRA_MULTILIB_PARTS): Include it.
10816 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
10817 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
10818 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
10819 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
10822 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10824 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
10825 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
10826 tpa_compact, root_var_init, type_var_init): Use VEC instead of
10828 * tree-ssa-live.h: Include vecprim.h.
10829 (tree_partition_associator_d): Change the type of
10830 first_partition to VEC(int,heap) *.
10831 (tpa_first_partition): Use VEC instead of VARRAY.
10833 * Makefile.in (GTFILES): Move functions.h after tree.h.
10834 * function.c (reset_block_changes, record_block_change,
10835 check_block_change, free_block_changes): Use VEC instead of
10837 * function.h (function): Change the type of
10838 ib_boundaries_block to VEC(tree,gc) *.
10839 * tree-inline.c (copy_cfg_body): Initialize
10840 ib_boundaries_block to NULL instead of (varray_type) 0.
10842 2006-04-12 Roger Sayle <roger@eyesopen.com>
10844 * expr.c (emit_group_store): Correct operand order in call to
10845 subreg_lowpart_offset. Always create paradoxical SUBREGs with
10846 a SUBREG_BYTE of zero.
10848 2006-04-12 Richard Guenther <rguenther@suse.de>
10850 * profile.c (compute_branch_probabilities): Remove code
10851 encapsulated in !ir_type (), which are remanents of the
10852 removed RTL profiling code.
10853 * rtl-profile.c: Remove.
10855 2006-04-12 Alan Modra <amodra@bigpond.net.au>
10857 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
10858 magic NULL_RTX comment.
10859 (function_arg): Store entire fp arg to mem if any part should go
10861 (rs6000_arg_partial_bytes): Adjust for above change.
10863 2006-04-11 Roger Sayle <roger@eyesopen.com>
10865 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
10866 if it hasn't been initialized by dwarf2out_init.
10868 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
10870 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
10871 symbolic constants in branch patterns.
10873 2006-04-11 Roger Sayle <roger@eyesopen.com>
10875 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
10877 2006-04-11 Richard Sandiford <richard@codesourcery.com>
10879 PR rtl-optimization/27073
10880 * gcse.c (try_replace_reg): Revert last change. Continue to search
10881 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
10884 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
10886 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
10887 aggregate types other than record and union types.
10888 (function_arg): Likewise.
10889 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
10891 (function_value): In 64-bit mode, return objects that require it
10894 2006-04-11 Roger Sayle <roger@eyesopen.com>
10896 * dwarf2out.c (premark_used_types): Remove problematic prototype.
10898 2006-04-11 Jakub Jelinek <jakub@redhat.com>
10900 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
10902 2006-04-03 Jeff Law <law@redhat.com>
10905 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
10906 alias information too.
10908 2006-04-10 Mike Frysinger <vapier@gentoo.org>
10910 * Makefile.in (gcc-cross): Add $(exeext) to target name.
10912 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
10915 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
10916 (premark_used_types_helper): New.
10917 (premark_used_types): New.
10918 (gen_subprogram_die): Call premark_used_types.
10919 (prune_unused_types_walk): Do not prune perennial dies.
10920 * function.c (used_types_insert): New.
10921 * function.h (struct function): Add used_types_hash field.
10922 (used_types_insert): Add prototype.
10923 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
10924 * c-parser.c (c_parser_cast_expression): Save casted types in used
10927 2006-04-11 Mark Mitchell <mark@codesourcery.com>
10930 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
10931 rs6000_explicit_options.float_gprs.
10933 2006-04-10 Roger Sayle <roger@eyesopen.com>
10935 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
10936 from ix86_expand_vector_init_low_nonzero. Take an additional
10937 one_var argument indicating which element is non-zero. Support
10938 one_var != 0 for V4SFmode and V4SImode by permuting the result.
10939 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
10940 with one_var instead of ix86_expand_vector_init_low_nonzero.
10942 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
10944 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
10945 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
10946 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
10947 build/genextract.o): Depend on vecprim.h.
10948 * cfglayout.c, df-problems.c, function.c, genextract.c,
10949 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
10950 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
10954 2006-04-10 Geoffrey Keating <geoffk@apple.com>
10956 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
10957 Declare VECs of this type.
10958 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
10959 (remove_children): Delete.
10960 (add_dwarf_attr): Use VEC routines.
10961 (add_AT_flag): Update for changes to add_dwarf_attr.
10962 (add_AT_int): Likewise.
10963 (add_AT_unsigned): Likewise.
10964 (add_AT_long_long): Likewise.
10965 (add_AT_vec): Likewise.
10966 (add_AT_string): Likewise.
10967 (add_AT_die_ref): Likewise.
10968 (add_AT_fde_ref): Likewise.
10969 (add_AT_loc): Likewise.
10970 (add_AT_loc_list): Likewise.
10971 (add_AT_addr): Likewise.
10972 (add_AT_lbl_id): Likewise.
10973 (add_AT_lineptr): Likewise.
10974 (add_AT_macptr): Likewise.
10975 (add_AT_offset): Likewise.
10976 (add_AT_range_list): Likewise.
10977 (get_AT): Use VEC_iterate.
10978 (remove_AT): Use VEC_ordered_remove.
10979 (free_die): Fold remove_children into here; have it use VEC_iterate.
10980 (print_die): Use VEC_iterate on attrs.
10981 (reverse_die_lists): Don't reverse attr lists.
10982 (die_checksum): Use VEC_iterate on attrs.
10983 (same_die_p): Likewise.
10984 (output_location_lists): Likewise.
10985 (build_abbrev_table): Likewise.
10986 (size_of_die): Likewise.
10987 (unmark_all_dies): Likewise.
10988 (output_abbrev_section): Likewise.
10989 (output_die): Likewise.
10990 (prune_unused_types_walk_attribs): Likewise.
10992 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10994 * doc/install.texi (*-*-solaris2*): Point to the configure page.
10996 2006-04-10 Jakub Jelinek <jakub@redhat.com>
10999 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
11001 2006-04-09 Roger Sayle <roger@eyesopen.com>
11003 * expr.c (store_constructor): Don't bother clearing target if
11004 we're about to assign a vector to it using vec_init_optab.
11006 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
11008 * tree-ssa-alias.c (lhs_may_store_to): New function.
11009 (recalculate_used_alone): Handle LHS of calls.
11011 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11015 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
11016 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
11017 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
11018 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
11019 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
11020 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
11021 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
11022 stubs. Add ".align 8" directives before all ".dword" directives.
11023 (GTHREAD_USE_WEAK): Revise comment.
11024 (TARGET_ATTRIBUTE_WEAK): Define.
11025 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
11026 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
11027 * stublib.c: New file.
11032 * pa.md (cbranch patterns): Revise arguments used in calls to
11033 output_cbranch, output_bb and output_bvd. Add long branch length
11035 (fbranch patterns): Handle long branches.
11036 (jump): Revise length check. Revise arguments for output_lbranch call.
11037 Add long branch length attributes.
11038 (decrement_and_branch_until_zero): Add long branch length attributes.
11039 (output_movb, output_parallel_addb and output_parallel_movb patterns):
11040 Likewise. Revise arguments for output_parallel_addb and
11041 output_parallel_movb calls.
11042 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
11043 output_parallel_movb and output_parallel_addb): Update prototypes.
11044 * pa.c (output_cbranch): Revise arguments. Correct handling of
11045 nullification in long branches.
11046 (output_lbranch): Add new argument to control extraction of delay
11048 (output_bb): Handle long branches.
11049 (output_bvb, output_dbra, output_movb, output_parallel_movb,
11050 output_parallel_addb): Likewise.
11052 2006-04-09 Richard Sandiford <richard@codesourcery.com>
11054 PR rtl-optimization/27073
11055 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
11058 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
11060 * tree.h (tree_memory_tag): Add old_used_alone.
11061 (SMT_OLD_USED_ALONE): New macro.
11062 * tree-ssa-alias.c (recalculate_used_alone): Stop
11063 marking things for renaming unnecessarily.
11065 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
11067 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
11068 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
11069 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
11070 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
11071 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
11072 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
11073 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
11074 spelling convensions.
11075 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
11076 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
11077 typos. Follow spelling conventions.
11079 2006-04-07 DJ Delorie <dj@redhat.com>
11081 * config/m32c/m32c.c (m32c_function_arg): Structures are always
11082 passed on the stack.
11083 (m32c_init_cumulative_args): When a function returns a structure,
11084 always pass the pointer to that return area on the stack.
11085 (m32c_function_arg_advance): Don't increment the parameter number
11086 if we're processing the returned structure pointer.
11087 (pushm_info): Reverse order of registers.
11089 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
11091 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
11092 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11093 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
11094 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
11095 build_int_cst_type.
11096 * tree-chrec.c (chrec_fold_multiply_poly_poly,
11097 chrec_fold_multiply): Same.
11098 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
11099 force_expr_to_var_cost): Same.
11100 * tree-mudflap.c (mf_xform_derefs_1): Same.
11101 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
11103 2006-04-07 David Edelsohn <edelsohn@gnu.org>
11105 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
11106 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
11109 2006-04-07 Jan Hubicka <jh@suse.cz>
11111 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
11113 2006-04-07 Richard Guenther <rguenther@suse.de>
11115 PR tree-optimization/26135
11116 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
11117 loads for store copy-prop.
11118 (copy_prop_visit_stmt): Likewise.
11120 2006-04-05 Robert Millan <robertmh@gnu.org>
11122 * config/i386/linux.h: Add a comment to mark macros that are
11123 being overriden in config/k*bsd-gnu.h.
11124 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
11126 * config/knetbsd-gnu.h: Ditto.
11128 2006-04-06 Jan Hubicka <jh@suse.cz>
11132 * coverage.c (coverage_checksum_string): Reorganize loop to not read
11135 2006-04-06 Mike Stump <mrs@apple.com>
11137 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
11138 for HAVE_nonlocal_goto to be consistent.
11139 (expand_builtin_nonlocal_goto): Likewise.
11140 (expand_builtin_strcmp): Use #ifdef instead of #if
11141 for HAVE_cmpstrnsi to be consistent.
11143 2006-04-05 DJ Delorie <dj@redhat.com>
11145 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
11148 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
11150 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
11151 got-relative addressing for anything but SImode.
11153 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
11154 even if the calling function doesn't modify them.
11156 2006-04-05 Richard Guenther <rguenther@suse.de>
11158 PR tree-optimization/26919
11159 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
11160 to cgraph_estimate_size_after_inlining.
11162 2006-04-05 Alan Modra <amodra@bigpond.net.au>
11164 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
11166 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
11168 PR tree-optimization/26996
11169 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
11170 VECTOR_TYPE variables.
11172 2006-04-05 Richard Guenther <rguenther@suse.de>
11174 PR tree-optimization/26763
11175 * fold-const.c (fold_comparison): Move folding of
11176 PTR + CST CMP PTR + CST ...
11177 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
11179 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
11181 * doc/install.texi (Prerequisites): Refine some wording on
11182 bootstrapping and ksh.
11183 Move the version numbers of DejaGnu here from the testing section
11184 and fix casing of names.
11185 Fix markup and clarify wording for autogen requirements.
11186 Refer to GCJ instead of just java.
11187 Refer to SVN instead of CVS.
11188 Describe diffutils as useful instead of necessary.
11189 (Downloading the source): Refer to SVN instead of CVS.
11190 Adjust a link to our web site accordingly.
11191 (Configuration): Fix casing of Bison.
11192 (Building): Refer to SVN instead of CVS.
11193 Fix a sentence on the use of Bison and remove duplicate (and
11194 incorrect) version number of Bison requirement.
11195 Remove one redundant list of packages needed for building.
11196 (Specific): Avoid reference to CVS.
11198 2006-04-04 Eric Christopher <echristo@apple.com>
11200 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
11201 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
11202 (rs6000_handle_struct_attribute): New.
11203 (rs6000_ms_bitfield_layout_p): Ditto.
11205 2006-04-04 Geoffrey Keating <geoffk@apple.com>
11207 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
11208 NULL for dso parameter to atexit_common.
11210 2006-04-04 Eric Christopher <echristo@apple.com>
11212 * config/i386/i386.c (machopic_output_stub): Output \t
11213 between instructions and operands.
11215 2006-04-04 David Edelsohn <edelsohn@gnu.org>
11217 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
11218 satisfies_constraint_[IL] to explicit tests on value.
11220 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
11222 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11223 set_nb_iterations_in_loop): Use build_int_cst instead of
11224 build_int_cst_type.
11225 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
11226 build_int_cst instead of convert.
11228 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
11230 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
11231 new value 2 for incoming.
11232 * function.c (expand_function_start): Call struct_value_rtx
11233 with incoming as 2.
11234 * config/sparc/sparc.md: Comment updated_return.
11235 * config/sparc/sparc.opt: Add -mstd-struct-return option.
11236 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
11237 struct return if sparc_std_struct_return and incoming is 2.
11238 (print_operand): Do not adjust return if
11239 sparc_std_struct_return.
11241 2006-04-04 Roger Sayle <roger@eyesopen.com>
11243 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
11244 convert in the middle-end.
11245 * expr.c (store_expr, store_constructor, get_inner_reference,
11246 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
11248 * tree.c (build_range_type): Likewise.
11250 2006-04-04 Tom Tromey <tromey@redhat.com>
11252 * doc/install.texi (Prerequisites): Mention jar.
11254 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
11256 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
11259 2006-04-04 Matthias Klose <doko@debian.org>
11261 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
11265 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
11268 2006-04-03 Geoffrey Keating <geoffk@apple.com>
11270 * doc/extend.texi (Function Attributes): Rewrite visibility
11271 attribute documentation.
11272 * doc/invoke.texi (C++ Dialect Options): Rewrite
11273 -fvisibility-inlines-hidden documentation to describe something
11274 entirely different, although in practise compatible.
11275 (Code Gen Options): Warn about system headers in -fvisibility=
11278 * doc/extend.texi (Other Builtins): Document that
11279 __builtin_nan is a compile-time constant only when its argument
11282 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
11284 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
11285 trying to remove TRUNCATE check if all bits outside the new mode
11286 are identical to the sign bit.
11288 2006-04-03 Jeff Law <law@redhat.com>
11290 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
11291 and operand scanning in some common cases.
11293 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
11294 Dale Johannesen <dalej@apple.com>
11297 * regclass.c (struct reg_pref): Update documentation.
11298 (regclass): Set prefclass to NO_REGS if memory is the best option.
11299 (record_reg_classes): Cope with a prefclass set to NO_REGS.
11300 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
11301 into account. For non-registers, equate an empty preferred
11302 reload class to a `!' in the constraint; move the if clause to
11303 do so after those that reject the insn.
11304 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
11306 (find_dummy_reload): Likewise.
11307 * doc/tm.texi (Register Classes): Document what it means
11308 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
11309 * config/i386/i386.c (ix86_preferred_reload_class): Force
11310 using SSE registers (and return NO_REGS for floating-point
11311 constants) if math is done with SSE.
11312 (ix86_preferred_output_reload_class): New.
11313 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
11314 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
11315 * config/i386/i386.md: Remove # register preferences.
11317 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11320 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11321 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
11322 the type of nb_iter.
11323 (instantiate_parameters_1): Convert the operands before calling
11324 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
11325 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
11327 2006-04-02 Roger Sayle <roger@eyesopen.com>
11329 * builtins.c (dummy_object): Use build_int_cst instead of convert.
11330 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
11331 instead of convert.
11332 * dojump.c (do_jump): Likewise.
11333 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
11334 * gimplify.c (gimple_boolify, gimplify_init_constructor,
11335 gimplify_boolean_expr): Likewise.
11336 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
11337 * varasm.c (array_size_for_constructor): Likewise.
11338 * tree-object-size.c (compute_object_offset): Likewise.
11340 2006-04-02 Roger Sayle <roger@eyesopen.com>
11342 PR middle-end/26977
11343 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
11344 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
11346 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11348 PR tree-optimization/26939
11349 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
11351 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11353 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
11354 at_stmt. Convert the type of operands before calling
11355 build_polynomial_chrec.
11356 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
11357 add_to_evolution_1.
11358 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
11359 (instantiate_parameters_1): Convert the type of operands before calling
11360 build_polynomial_chrec.
11361 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
11362 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
11363 reset_evolution_in_loop): Insert asserts to check the types of the
11365 (chrec_type): Moved...
11366 (eq_evolutions_p): Use operand_equal_p.
11367 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
11368 the types of the operands.
11369 (chrec_type): ...here.
11370 * tree-data-ref.c (create_data_ref): Convert the operands before
11371 calling chrec_replace_initial_condition.
11372 (same_access_functions, analyze_subscript_affine_affine,
11373 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
11374 (compute_subscript_distance, analyze_ziv_subscript,
11375 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
11376 analyze_miv_subscript): Convert the operands before calling
11377 chrec_fold_minus or chrec_fold_plus.
11379 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11381 * tree-data-ref.c (compute_all_dependences): Use a pointer to
11382 the dependence_relations vector.
11383 (compute_data_dependences_for_loop): Adjust call to
11384 compute_all_dependences.
11386 2006-04-01 Roger Sayle <roger@eyesopen.com>
11387 Richard Henderson <rth@redhat.com>
11389 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
11390 gimple_boolify on the condition before calling gimplify_expr.
11392 2006-03-31 Bob Wilson <bob.wilson@acm.org>
11394 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
11395 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
11396 the frame size. Update to use the new macros.
11397 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
11398 * config/xtensa/ieee754-df.S: Likewise.
11400 2006-03-31 Richard Henderson <rth@redhat.com>
11402 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
11403 (make_edges): ... here. Control fallthru creation with a local
11404 variable. Do not play with fake edges.
11405 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
11406 (make_goto_expr_edges): Don't play with fake edges. Make for_call
11409 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
11411 * dwarf2.h (DW64_CIE_ID): Define.
11412 * dwarf2out.c (DWARF_CIE_ID): Define.
11413 (output_call_frame_info): Output 0xffffffff before standard 8-byte
11414 length header. Use DWARF_CIE_ID.
11415 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
11416 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
11418 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
11420 * config/sh/linux-atomic.asm: New file.
11421 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
11423 2006-03-31 DJ Delorie <dj@redhat.com>
11425 * config/m32c/cond.md: Set condition flags properly throughout.
11426 * config/m32c/minmax.md: Likewise.
11427 * config/m32c/prologue.md: Likewise.
11428 * config/m32c/bitops.md: Likewise.
11429 * config/m32c/muldiv.md: Likewise.
11430 * config/m32c/mov.md: Likewise.
11431 * config/m32c/addsub.md: Likewise.
11432 * config/m32c/m32c.md: Likewise.
11433 * config/m32c/jump.md: Likewise.
11434 * config/m32c/shift.md: Likewise.
11436 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
11437 conditionally output the pattern for this.
11438 * config/m32c/m32c.c (flags_needed_for_conditional): New.
11439 (m32c_compare_redundant): New.
11440 (m32c_output_compare): New.
11441 * config/m32c/m32c-protos.h (m32c_output_compare): New.
11443 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
11444 dest, not src. Allow other 4-byte modes.
11446 2006-03-30 Denis Chertykov <denisc@overta.ru>
11448 * doc/md.texi: Refer to avr/constraints.md instead of
11451 2006-03-30 Roger Sayle <roger@eyesopen.com>
11453 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
11454 signed vs. unsigned comparison failures on some hosts.
11456 2006-03-31 Alan Modra <amodra@bigpond.net.au>
11459 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
11460 change to FLOAT_REGS.
11462 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
11463 (rs6000_override_options): Use it.
11464 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
11465 only for -mabi=spe/no-spe and -mabi=altivec.
11467 2006-03-30 Geoffrey Keating <geoffk@apple.com>
11469 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
11472 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
11474 * Makefile.in: Rename docdir to gcc_docdir.
11476 2006-03-30 Roger Sayle <roger@eyesopen.com>
11479 * expr.c (emit_group_store): Optimize group stores into a pseudo
11480 register by using a paradoxical subreg to initialize the destination
11481 if the first or last member of the group specifies a "low part".
11483 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11486 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
11487 * target.h (struct gcc_target.speculate_insn): Change type of the
11488 second parameter to 'int'.
11489 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
11490 the second operand of the DEPS_LIST.
11491 (copy_DEPS_LIST_list): Update reference to the second operand of the
11493 * rtl.h (alloc_DEPS_LIST): Update signature.
11494 * sched-int.h (ds_t): Change typedef to 'int'.
11495 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11497 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11499 * haifa-sched.c (try_ready): Change condition to restore
11500 non-speculative pattern of the instruction.
11501 (process_insn_depend_be_in_spec): Code to keep probability of the
11502 speculative dependence non-decreasing.
11504 2006-03-30 Jie Zhang <jie.zhang@analog.com>
11506 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
11507 (single_move_for_movmem): ... this. Also change all uses.
11508 (bfin_expand_strmov): Renamed to...
11509 (bfin_expand_movmem): ... this. Also change all uses.
11510 * config/bfin/bfin.md (movstrsi): Renamed to...
11511 (movstrsi): ...this.
11513 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
11515 PR tree-optimization/26830
11517 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
11518 (copy_prop_visit_stmt): Remove write-only variable ann.
11519 (init_copy_prop): Check variable loop depth here. Do not simulate
11520 memory-tag and virtual operand PHIs except for store copy prop.
11522 2006-03-30 Richard Guenther <rguenther@suse.de>
11524 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
11525 variants with double arguments.
11527 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11529 * genpreds.c (write_tm_constrs_h): Delete variable p.
11530 * genconditions.c (write_header): Add tm-constrs.h to included
11532 * genpeep.c (main): Add toplev.h to included headers.
11533 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
11534 (build/genpeep.o): Add toplev.h dependency.
11535 * config/rs6000/constraints.md: Add "W" constraint.
11537 2006-03-29 Roger Sayle <roger@eyesopen.com>
11539 * stor-layout.c (mode_for_size_tree): Remove restiction on type
11540 sizes by correctly testing whether the size fits a host integer.
11541 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
11542 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
11543 SImode range for the default sizetype and bitsizetype.
11545 2006-03-29 Roger Sayle <roger@eyesopen.com>
11547 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
11548 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
11549 quickly if the argument is already of the correct type.
11550 Call fold_build1 instead of build1. Tidy up blank lines.
11552 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11554 * genemit.c (main): Add tm-constrs.h to included headers.
11555 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
11556 * genpeep.c (main): Add tm-constrs.h to included headers.
11557 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
11558 (write_tm_constrs_h): this and write complete file.
11559 (write_tm_preds_h): Do not emit satisfies_constraint fns.
11560 (write_insn_preds_c): Add tm-constrs.h to included headers.
11561 (gen_constrs): New variable.
11562 (parse_option): Parse "-c".
11563 (main): Invoke write_tm_constrs_h.
11564 * genrecog.c (write_header): Add tm-constrs.h to included headers.
11565 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
11566 (object_out_file): Add tm-constrs.h dependency.
11567 (insn-emit.o): Same.
11568 (insn-output.o): Same.
11569 (insn-peep.o): Same.
11570 (insn-preds.o): Same.
11571 (insn-recog.o): Same.
11572 (tm-constsr.h): New target.
11573 (s-constrs-h): New target.
11575 * config/rs6000/constraints.md: New file.
11576 * config/rs6000/rs6000.c: Include tm-constrs.h.
11577 (num_insn_constant_wide): Convert to satisfies_constraint.
11578 (rs6000_rtx_costs): Convert to satisfies_constraint.
11579 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
11580 (CONST_OK_FOR_LETTER_P): Delete.
11581 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11582 (EXTRA_CONSTRAINT): Delete.
11583 (EXTRA_MEMORY_CONSTRAINT): Delete.
11584 (EXTRA_ADDRESS_CONSTRAINT): Delete.
11585 * config/rs6000/predicates.md: Convert to satisfies_constraint.
11586 * config/rs6000/rs6000.md: Include constraints.md. Convert to
11587 satisfies_constraint.
11589 * config/i386/i386.c: Include tm-constrs.h.
11591 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11593 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
11594 * tree-data-ref.c (find_data_references_in_loop,
11595 compute_data_dependences_for_loop): Use pointers to VEC.
11596 (analyze_all_data_dependences): Adjust calls.
11597 * tree-data-ref.h (find_data_references_in_loop,
11598 compute_data_dependences_for_loop): Adjust declarations.
11599 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
11600 compute_data_dependences_for_loop.
11602 2006-03-29 Paul Brook <paul@codesourcery.com>
11604 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
11605 (movdf_vfp): Ditto.
11607 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11609 PR tree-optimization/26859
11610 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
11612 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
11613 for the step after fold_convert.
11615 2006-03-29 Paul Brook <paul@codesourcery.com>
11617 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
11618 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
11620 2006-03-29 Paul Brook <paul@codesourcery.com>
11622 PR middle-end/23623
11623 * targhooks.c (default_narrow_bitfield): New fuction.
11624 * targhooks.h (default_narrow_bitfield): add prototype.
11625 * target.h (gcc_target): Add narrow_volatile_bitfield.
11626 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11627 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
11628 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
11629 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11631 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
11633 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
11635 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
11636 (NR_C_MODES): Add TDmode, DDmode and SDmode.
11637 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
11638 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
11639 (s390_function_arg_float): Allow SDmode and DDmode values to be
11640 passed in floating point registers.
11641 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
11642 check with SCALAR_FLOAT_MODE_P.
11643 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
11645 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11647 PR tree-optimization/25985
11648 * tree-ssa-loop-niter.c (number_of_iterations_le,
11649 number_of_iterations_ne): Make comments more precise.
11650 (number_of_iterations_cond): Add only_exit argument. Use the
11651 fact that signed variables do not overflow only when only_exit
11653 (loop_only_exit_p): New.
11654 (number_of_iterations_exit): Pass result of loop_only_exit_p to
11655 number_of_iterations_cond.
11657 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11659 PR tree-optimization/26643
11660 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
11663 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
11665 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
11666 (divsi3_i4_int): Likewise.
11668 2006-03-28 Roger Sayle <roger@eyesopen.com>
11670 * expr.c (emit_group_store): Only create a new pseudo reg if the
11671 quantity it needs to hold isn't already a suitable pseudo.
11673 2006-03-28 Jeff Law <law@redhat.com>
11675 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
11676 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
11678 2006-03-28 Roger Sayle <roger@eyesopen.com>
11680 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
11681 the equivalent ~X & Y, and the symmetry related transformations.
11682 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
11683 ~X & Y, and symmetry related transforms.
11685 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11687 Revert my 2006-03-27 patches.
11689 2006-03-28 Roger Sayle <roger@eyesopen.com>
11691 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
11692 ~(T1)X, when T1 and T2 are integer types of the same precision
11693 and (T2)X isn't an extension.
11695 2006-03-28 Jeff Law <law@redhat.com>
11697 PR tree-optimization/26796
11698 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
11699 need EH edge cleanups rather than purging them immediately.
11700 (eliminate_degenerate_phis): Handle queued EH cleanups.
11702 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
11704 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
11707 2006-03-27 Roger Sayle <roger@eyesopen.com>
11709 PR middle-end/22524
11710 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
11711 cast BIT_NOT_EXPR operand to the correct type.
11713 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
11715 * tree-loop-linear.c: Don't include varray.h.
11716 (gather_interchange_stats, try_interchange_loops,
11717 linear_transform_loops): Use VEC instead of VARRAY.
11718 * lambda-mat.c: Don't include varray.h.
11719 * tree-chrec.c: Same.
11720 * lambda-trans.c: Same.
11721 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
11722 VEC instead of VARRAY.
11723 * tree-vectorizer.h: Idem.
11724 * tree-data-ref.c (dump_data_references,
11725 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
11726 initialize_data_dependence_relation, finalize_ddr_dependent,
11727 compute_all_dependences, find_data_references_in_loop,
11728 compute_data_dependences_for_loop, analyze_all_data_dependences,
11729 free_dependence_relation, free_dependence_relations,
11730 free_data_refs): Idem.
11731 * tree-data-ref.h (data_reference_p, subscript_p): New.
11732 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
11733 VEC instead of VARRAY.
11734 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
11735 (find_data_references_in_loop, compute_data_dependences_for_loop,
11736 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
11737 dump_data_dependence_relations, free_dependence_relations,
11738 free_data_refs): Adjust declaration.
11739 (lambda_transform_legal_p): Move declaration here...
11740 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
11741 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
11742 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
11743 vect_analyze_data_refs): Use VEC instead of VARRAY.
11744 * lambda.h (lambda_transform_legal_p): ...from here.
11745 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
11746 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
11747 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
11748 tree-chrec.o): Don't depend on VARRAY_H.
11750 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11752 * rtl.def (Copyright): Update date.
11753 (DEPS_LIST): Change type of the second operand to 'int'.
11754 * target.h (Copyright): Update date.
11755 (struct gcc_target.speculate_insn): Change type of the second parameter
11757 * lists.c (Copyright): Update date.
11758 (alloc_DEPS_LIST): Change signature. Update reference to the second
11759 operand of the DEPS_LIST.
11760 (copy_DEPS_LIST_list): Update reference to the second operand of the
11762 * rtl.h (Copyright): Update date.
11763 (alloc_DEPS_LIST): Update signature.
11764 * sched-int.h (Copyright): Update date.
11765 (ds_t): Change typedef to 'int'.
11766 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11768 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11770 * haifa-sched.c (Copyright): Update date.
11771 (try_ready): Change condition to restore non-speculative pattern
11772 of the instruction.
11773 (process_insn_depend_be_in_spec): Code to keep probability of the
11774 speculative dependence non-decreasing.
11776 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
11778 * regrename.c (replace_oldest_value_addr): Initialize a variable to
11779 shut up the compiler.
11781 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
11783 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
11784 to use lib prefix for target.
11785 ($(T)libic_invalidate_array_4-200.a): Likewise.
11786 ($(T)libic_invalidate_array_4a.a): Likewise.
11788 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
11789 J"orn Rennecke <joern.rennecke@st.com>
11791 * superh.opt: New file.
11792 * sh.c (boardtype, osruntime): Remove.
11793 * superh.h (SUBTARGET_OPTIONS): Remove.
11794 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
11796 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
11797 arguments with ^ and/or [].
11799 * config.gcc (sh-*-*): Add quoting to account for quirk of
11801 Replace == with = in enable_incomplete_targets test.
11803 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
11804 with MASK_LITTLE_ENDIAN.
11806 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
11807 * config/sh/sh.opt: Added to some comments.
11808 * config/sh/superh.h: Removed some chaff.
11810 * config/sh/sh.opt: Add m4-[1234]00* options.
11811 * config/sh/sh.c (sh_handle_option): Likewise.
11812 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
11813 (ic_invalidate_array_4-100.o): New rule.
11814 ($(T)libic_invalidate_array_4-100.a): Likewise.
11815 (ic_invalidate_array_4-200.o): Likewise.
11816 ($(T)libic_invalidate_array_4-200.a): Likewise.
11817 (ic_invalidate_array_4a.o): Likewise.
11818 ($(T)libic_invalidate_array_4a.a): Likewise.
11819 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
11820 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
11822 * config/sh/crt1.asm: Merged in profiling code.
11823 * config/sh/superh.h (STARTFILE_SPEC): Override.
11824 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
11825 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
11826 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
11828 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
11829 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
11830 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
11832 * sh.opt (mpretend-cmove): New option.
11833 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
11834 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
11835 (movsicc): Add TARGET_PRETEND_CMOVE code.
11837 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
11839 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
11840 s390_class_max_nregs): New function prototypes.
11841 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
11842 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
11843 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
11844 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
11846 2006-03-26 Geoffrey Keating <geoffk@apple.com>
11848 * dwarf2out.c (add_location_or_const_value_attribute): Call
11849 tree_add_const_value_attribute if nothing else works.
11850 (reference_to_unused): New.
11851 (rtl_for_decl_init): Use reference_to_unused to decide whether
11852 to output an initializer.
11854 2006-03-27 Alan Modra <amodra@bigpond.net.au>
11857 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
11858 peephole removing spe frob_di_df_2.
11860 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
11862 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
11863 (subscript_dependence_tester_1): Declared.
11864 (print_dir_vectors, print_dist_vectors): New.
11865 (debug_data_dependence_relation): New.
11866 (dump_data_dependence_relation): Print more details.
11867 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
11868 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
11869 (save_dist_v, save_dir_v, add_outer_distances,
11870 build_classic_dist_vector_1): New.
11871 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
11872 Don't test for lambda_vector_lexico_pos.
11873 (same_access_functions, add_multivariate_self_dist,
11874 add_other_self_distances, dir_from_dist): New.
11875 (build_classic_dir_vector): Replace implementation almost identical to
11876 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
11878 (subscript_dependence_tester_1): New.
11879 (subscript_dependence_tester): Handle the lexicographically negative
11880 distance vectors by recomputing the dependence relation.
11881 (compute_affine_dependence): Remove parameter loop_nest_depth.
11882 (compute_self_dependence): Don't call compute_subscript_distance.
11883 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
11884 Add a parameter for the loop_nest.
11885 (find_loop_nest_1, find_loop_nest): New.
11886 (compute_data_dependences_for_loop): Compute the loop nest, and give
11887 up if the nest is not well formed.
11888 * tree-data-ref.h (loop_p): New.
11889 (struct data_dependence_relation): Replace size_vect field with
11890 loop_nest, a vec of loops.
11891 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
11892 (DDR_LOOP_NEST): New.
11893 (print_dir_vectors, print_dist_vectors,
11894 debug_data_dependence_relation): Declared.
11895 (index_in_loop_nest): New.
11896 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
11897 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
11900 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
11902 * simplify-rtx.c (simplify_relational_operation): Call
11903 simplify_relational_operation_1 even if mode is VOIDmode.
11905 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
11907 PR tree-optimization/26804
11908 * tree.h (DECL_CALL_CLOBBERED): New macro.
11909 (tree_decl_common): Add call_clobbered_flag.
11910 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
11911 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
11912 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
11913 (mark_non_addressable): Ditto.
11914 * tree-ssa.c (verify_call_clobbered): New function.
11915 (verify_alias_info): Use it.
11916 * tree-pass.h (pass_reset_cc_flags): New prototype.
11917 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
11918 (reset_cc_flags): New function.
11919 * passes.c (init_optimization_passes): Call reset_cc_flags after
11920 initializing referenced_vars.
11922 2006-03-25 Uros Bizjak <uros@kss-loka.si>
11923 Roger Sayle <roger@eyesopen.com>
11925 PR middle-end/26717
11926 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
11927 to 1.0 for non-real operands. Implement A / A optimization for
11930 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
11932 * config/i386/i386.c (size_cost): Correct the comment for
11933 cost of storing fp registers.
11934 (i386_cost): Likewise.
11935 (i486_cost): Likewise.
11936 (pentium_cost): Likewise.
11937 (pentiumpro_cost): Likewise.
11938 (k6_cost): Likewise.
11939 (athlon_cost): Likewise.
11940 (k8_cost): Likewise.
11941 (pentium4_cost): Likewise.
11942 (nocona_cost): Likewise.
11943 (generic64_cost): Likewise.
11944 (generic32_cost): Likewise.
11946 2006-03-24 Denis Chertykov <denisc@overta.ru>
11948 * config/avr/avr-protos.h (extra_constraint): Delete.
11949 (extra_constraint_Q): New declaration.
11950 * config/avr/constraints.md: New file.
11951 * config/avr/avr.md: Include it.
11952 (REG_X, REG_Y, REG_Z, REG_W): New constants.
11953 (TMP_REGNO, ZERO_REGNO): Likewise.
11954 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
11955 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
11956 (extra_constraint): Delete.
11957 (extra_constraint_Q): Test for memory constraint 'Q'.
11958 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
11959 (REG_CLASS_FROM_LETTER): Delete.
11960 (CONST_OK_FOR_LETTER_P): Delete.
11961 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11962 (EXTRA_CONSTRAINT): Delete.
11963 (TMP_REGNO): Delete.
11964 (ZERO_REGNO): Delete.
11966 2006-03-24 Jeff Law <law@redhat.com>
11968 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
11969 directly. Call mark_new_vars_to_rename slightly earlier.
11971 2006-03-24 Geoffrey Keating <geoffk@apple.com>
11973 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
11974 (is_cxx): Likewise.
11975 (gen_compile_unit_die): Use new language types for Objective-C and
11977 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
11978 DW_LANG_C_plus_plus.
11981 * config/t-darwin (crt3.o): Work around bug 26840.
11982 * config/darwin-crt3.c: Rewrite.
11983 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
11985 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
11987 * doc/invoke.texi: Document -femit-class-debug-always
11988 * common.opt: Add -femit-class-debug-always.
11990 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
11992 * config/s390/s390.c (s390_decompose_address): Allow SImode for
11993 index and base register.
11994 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
11995 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
11996 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
11997 REGNO_OK_FOR_INDEX_P.
11998 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
12000 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
12001 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
12002 REG_OK_FOR_BASE_P): Definitions removed.
12004 2006-03-24 Jakub Jelinek <jakub@redhat.com>
12006 PR middle-end/26611
12007 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
12008 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
12009 set yet or weren't marked as local yet.
12011 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
12013 * regrename.c (scan_rtx_address): Initialize a variable to shut up
12016 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
12018 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
12019 (rs6000_legitimate_small_data_p): Delete.
12020 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
12021 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
12022 and make static. Add forward declaration. Update uses.
12023 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
12024 of offsettable_memref_p.
12025 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
12026 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
12028 2006-03-24 Jeff Law <law@redhat.com>
12030 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
12031 around bug in immediate-use iterator.
12033 2006-03-24 Alan Modra <amodra@bigpond.net.au>
12036 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
12037 or __LITTLE_ENDIAN__.
12039 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
12041 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
12042 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
12043 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
12044 * config/sh/sh.opt (mdiv=): Amend description.
12045 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
12046 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
12047 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
12048 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
12049 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
12050 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
12051 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
12052 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
12053 TARGET_DIVIDE_CALL_FP.
12055 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12057 * haifa-sched.c (choose_ready): Fix type of the local variable.
12058 Move local variables. Add comment.
12059 (check_reg_live): Change signature. Make callable from debugger.
12060 * sched-int.h (check_reg_live): Update signature.
12061 * sched-ebb.c (check_reg_live): Update parameters.
12062 * sched-rgn.c (check_reg_live): Ditto.
12063 (region_head_or_leaf_p): Check pointer before dereferencing.
12064 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
12065 before reload on optimization levels below 1.
12067 2006-03-23 Richard Henderson <rth@redhat.com>
12069 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
12073 * config/alpha/predicates.md (local_symbolic_operand): Reject
12076 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
12079 * tree-ssa-pre.c (create_value_expr_from): Don't reject
12080 expressions which have overflowed constants.
12082 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
12084 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
12086 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
12088 * cfgloopmanip.c (create_loop_notes): Removed.
12089 * final.c (final_scan_insn): Do not handle loop notes.
12090 * jump.c (squeeze_notes): Ditto.
12091 * cfglayout.c (skip_insns_after_block,
12092 duplicate_insn_chain): Ditto.
12093 * cfgcleanup.c (rest_of_handle_jump2): Do not call
12095 * cfgloop.h (create_loop_notes): Declaration removed.
12097 2006-03-23 Richard Sandiford <richard@codesourcery.com>
12099 * varasm.c (output_constant_pool): Restore fnname and fndecl
12101 (assemble_start_function): Adjust call accordingly.
12102 (assemble_end_function): Likewise.
12104 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12107 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
12110 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
12112 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12115 * system.h (ICE_EXIT_CODE): New macro.
12116 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
12117 (diagnostic_action_after_output): Likewise.
12118 * gcc.c (fatal_ice): New function.
12119 (execute): Use it instead of fatal.
12120 (fancy_abort): Likewise.
12121 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
12123 2006-03-22 Jeff Law <law@redhat.com>
12125 * loop-unroll.c (analyze_iv_to_split_insn): Handle
12126 iv_analyze_result returning false.
12128 2006-03-22 Jie Zhang <jie.zhang@analog.com>
12130 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
12132 2006-03-22 Richard Henderson <rth@redhat.com>
12134 PR middle-end/26084
12135 * except.c (duplicate_eh_regions_0): New.
12136 (duplicate_eh_region_1): Duplicate the children of the node as
12137 well as the node itself. Link them up properly.
12138 (duplicate_eh_region_2): Merge into ...
12139 (duplicate_eh_regions): ... here. Take copy_region argument, and
12140 copy only a sub-tree if asked. Simplify copying and fixup.
12141 (eh_region_outer_p): New.
12142 * except.h (duplicate_eh_regions): Update decl.
12143 (eh_region_outer_p): Declare.
12144 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
12145 (lower_omp_master): Likewise.
12146 (lower_omp_ordered): Likewise.
12147 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
12148 (move_stmt_r): Use it to remap labels. Handle recursion vs
12149 remap_decls_p properly.
12150 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
12151 (find_outermost_region_in_block): New.
12152 (new_label_mapper): New.
12153 (move_sese_region_to_fn): Copy eh information to the new function
12155 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
12157 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
12160 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12162 * doc/md.texi (-mshared): Mention that -mshared code can be linked
12163 into shared libraries.
12165 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12167 * doc/md.texi: Refer to i386/constraints.md instead of
12168 i386/predicates.md.
12169 * config/i386/constraints.md: New file, extracted from...
12170 * config/i386/predicates.md: ...here.
12171 * config/i386/i386.md: Include constraints.md.
12173 2006-03-21 Jason Merrill <jason@redhat.com>
12175 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
12177 PR middle-end/20297
12178 * expr.c (init_block_move_fn): Force default visibility.
12179 (init_block_clear_fn): Likewise.
12180 * builtins.c (expand_builtin_fork_or_exec): Likewise.
12181 * targhooks.c (default_external_stack_protect_fail): Likewise.
12183 2006-03-21 Richard Sandiford <richard@codesourcery.com>
12185 * config/mips/predicates.md (const_call_insn_operand): Allow direct
12186 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
12187 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
12188 Use TARGET_OLDABI instead of !TARGET_NEWABI.
12189 (loadgp): Use mips_current_loadgp_style.
12190 (loadgp_noshared): New pattern.
12191 (sibcall_internal): Use MIPS_CALL.
12192 (sibcall_value_internal): Likewise.
12193 (sibcall_value_multiple_internal): Likewise.
12194 (call_internal): Likewise.
12195 (call_value_internal): Likewise.
12196 (call_value_multiple_internal): Likewise.
12197 (call_split): Use MIPS_CALL and add an 'S' constraint.
12198 (call_value_split): Likewise.
12199 (call_value_multiple_split): Likewise.
12200 * config/mips/mips.opt (-mabicalls): Tweak docstring.
12201 (-mshared): New option.
12202 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
12203 (mips_current_loadgp_style): Declare.
12204 * config/mips/mips.c (mips_classify_symbol): Avoid using
12205 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
12206 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
12207 TARGET_ABSOLUTE_ABICALLS.
12208 (override_options): Adjust comments. Improve the warning that is
12209 issued when -mabicalls and -G are used together.
12210 (mips_file_start): Remove comment.
12211 (mips_current_loadgp_style): New function.
12212 (mips_gnu_local_gp): New variable.
12213 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
12215 (mips_output_function_prologue): Use mips_current_laodgp_style.
12216 (mips_expand_prologue): Call mips_emit_loadgp before emitting
12217 the cprestore instruction.
12218 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
12219 live for TARGET_ABSOLUTE_ABICALLS.
12220 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
12221 (ASM_SPEC): Pass down -mshared and -mno-shared.
12222 (MIPS_CALL): New macro.
12223 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
12225 * doc/invoke.texi (-mabicalls): Update documentation.
12226 (-mshared): Document.
12228 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12230 * config/ia64/unwind-hpux.c: New file.
12231 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
12233 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12236 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
12238 2006-03-21 Jeff Law <law@redhat.com>
12240 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
12241 type conversions of a VR_VARYING source to a wider type.
12243 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
12245 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
12246 tm_file on Solaris 10 and later.
12247 (sparc64-*-solaris2*): Likewise.
12248 (sparc-*-solaris2*): Likewise.
12249 * config/sol26.h: Rename to config/sol2-6.h.
12250 * config/sol2-10.h: New file.
12252 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
12255 * tree-ssa-pre.c (create_component_ref_by_pieces):
12258 2006-03-21 Jakub Jelinek <jakub@redhat.com>
12261 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
12262 return it immediately.
12264 2006-03-21 Michael Matz <matz@suse.de>
12266 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
12268 (remove_arc, add_arc): Update num_out_arcs member.
12269 (set_out_arc_insns_equiv_num): Returns nothing instead of number
12271 (cache_presence): New function.
12272 (compare_states_for_equiv): New function.
12273 (state_is_differed): Don't take number of outargs, adjust callers.
12274 Use new invariant for speeding up.
12275 (init_equiv_class): Create initial classes based on sorted
12277 (partition_equiv_class): Don't track out_arcs_num.
12278 (evaluate_equiv_classes): Call cache_presence on all states and
12281 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
12283 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
12284 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
12285 (bfin_valid_reg_p): Test for pseudos explicitly and use only
12286 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
12288 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
12289 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
12290 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
12291 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
12292 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
12294 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
12295 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
12296 (REGNO_REG_CLASS): ARGP is in PREGS.
12297 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
12299 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
12300 to deal with those addresses.
12301 * addresses.h: New file.
12302 * caller-save.c: Include "addresses.h".
12303 (init_caller_save): Use new base_reg_class function.
12304 * rtl-factoring.c: Include "addresses.h".
12305 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
12306 * recog.c: Include "addresses.h".
12307 (preprocess_constraints): Use new base_reg_class function.
12308 * regrename.c: Include "addresses.h".
12309 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
12310 functions. Keep track of a new var INDEX_CODE to compute valid
12312 (replace_oldest_value_addr): Likewise.
12313 (replace_oldest_value_mem): Use base_reg_class.
12314 * reload.c: Include "addresses.h".
12315 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
12316 (find_reloads): Use new base_reg_class function.
12317 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
12318 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
12319 all callers and prototype changed.
12320 * reload1.c: Include "addresses.h".
12321 (maybe_fix_stack_asms): Use base_reg_class.
12322 * regclass.c: Include "addresses.h".
12323 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
12324 (init_reg_autoinc): Use new base_reg_class function.
12325 (record_reg_classes): Likewise.
12326 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
12327 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
12328 Use new args to compute necessary class.
12330 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
12331 regrename.o, rtl-factoring.o): Update dependencies.
12332 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
12333 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
12334 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
12335 REG_OK_FOR_INDEX_P): Delete documentation.
12337 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
12339 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
12340 from V7 to V9 for Solaris 7 and above.
12342 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
12344 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
12345 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
12346 argument pointers may not alias any other storage.
12347 * common.opt: Define option -fargument-noalias-anything.
12348 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
12349 alias semantics is specified by flag_argument_noalias > 2.
12351 2006-03-20 Jeff Law <law@redhat.com>
12353 * tree-pass.h (pass_phi_only_copy_prop): Delete.
12354 (pass_phi_only_cprop): Declare.
12355 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
12356 with phi_only_cprop
12357 * tree-ssa-dom.c (degenerate_phi_result): New function.
12358 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
12359 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
12360 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
12361 (eliminate_degenerate_phis): Likewise.
12362 (pass_phi_only_cprop): New pass descriptor.
12363 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
12364 support code. Callers updated.
12365 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
12366 (store_copy_prop): Likewise.
12367 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
12369 2006-03-20 Jason Merrill <jason@redhat.com>
12372 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
12373 (push_visibility, pop_visibility): Likewise.
12374 * c-pragma.h: Declare them.
12376 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
12378 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
12380 * config/sh/sh.c (find_regmode_weight): Change the type of the first
12381 parameter and use get_ebb_head_tail.
12382 (sh_md_init_global): Adjust uses of find_regmode_weight.
12384 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
12386 * function.h (struct function) <x_tail_recursion_reentry>:
12387 Rename to x_stack_check_probe_note.
12388 (tail_recursion_reentry): Rename to stack_check_probe_note.
12389 * function.c: Replace tail_recursion_reentry with
12390 stack_check_probe_note everywhere.
12391 (expand_function_start): Only emit a note for
12392 stack_check_probe_note with -fstack-protect.
12393 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
12395 * emit-rtl.c (remove_unnecessary_notes): Remove.
12396 (pass_remove_unnecessary_notes): Remove.
12397 * rtl.h (remove_unnecessary_notes): Remove prototype.
12398 * final.c (final_start_function): Don't call remove_unnecessary_notes.
12399 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
12400 * passes.c (pass_remove_unnecessary_notes): Don't run it.
12402 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
12405 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
12406 (valid_in_set): Handle ARRAY_REF.
12407 Change "if min_variant or VH" to asserts.
12408 (create_component_ref_by_pieces): Handle ARRAY_REF.
12409 (create_expression_by_pieces): Likewise.
12410 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
12412 2006-03-20 David Edelsohn <edelsohn@gnu.org>
12414 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
12415 is operand of switch, not str[0].
12417 2006-03-20 Alan Modra <amodra@bigpond.net.au>
12419 * config/rs6000/rs6000.c (rs6000_handle_option): Use
12420 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
12422 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12424 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
12425 end of insn_extra_address_constraint declaration.
12427 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12429 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
12430 (no-sum-in-toc): Same.
12431 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
12433 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
12434 NO_FP_IN_TOC for -fPIC instead of mask.
12436 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
12437 (BOOT_LDFLAGS): Delete.
12439 * config/rs6000/t-aix52: Same.
12441 * config/rs6000/rs6000.md (store_multiple_power): Delete.
12442 (stmsi[345678]_power): New.
12444 2006-03-17 Steve Ellcey <sje@cup.hp.com>
12446 * config/ia64/ia64.opt: Add empty line to end of file.
12448 2006-03-17 Richard Guenther <rguenther@suse.de>
12450 PR middle-end/26721
12451 * builtins.c (get_pointer_alignment): For component style references
12452 adjust alignment to the component type alignment. Make sure
12453 to adjust alignment for component access of constants.
12455 2006-03-17 David Edelsohn <edelsohn@gnu.org>
12457 * config/rs6000/rs6000.md (strlensi): Emit barrier after
12458 unconditional jump.
12460 2006-03-17 Paul Brook <paul@codesourcery.com>
12462 * doc/install.texi: Docuemnt --with-mode.
12463 * config.gcc: Add --with-mode for arm*-*-*.
12464 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
12466 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
12468 * sh.c (max_labelno_before_reorg): New variable.
12469 (sh_reorg): Initialize it.
12470 (find_barrier): Check max_labelno_before_reorg before using
12471 label_to_alignment. Take length of explicit alignment insns
12472 into account. When seeing a UNSPECV_CONST_END, return it.
12474 * sh.c (fixup_mova): Set mode of affected label to QImode.
12475 (untangle_mova): New function.
12476 (find_barrier): Use it. Check mode of label before decrementing
12478 (sh_reorg): Likewise.
12479 Set mode of all insns back to VOIDmode.
12481 * sh.c (MOVA_LABELREF): New macro.
12482 (mova_p, fixup_mova, sh_reorg): Use it.
12483 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
12484 ADDR_DIFF_VEC matches mova.
12486 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
12488 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
12489 with ATTRIBUTE_UNUSED.
12491 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
12493 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
12494 pointer, instead of assuming it is possible to derive the
12495 correct args size from a call insn.
12497 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12499 * rtl.h (CONST_INT_P): Define.
12500 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
12501 instead of GET_CODE(x) == CONST_INT.
12502 (vax_rtx_costs): Likewise.
12503 (vax_output_int_move): Likewise.
12504 (vax_output_int_add): Likewise.
12505 (legitimate_constant_address_p): Likewise.
12506 (index_term_p): Likewise.
12507 * config/vax/vax.h (PRINT_OPERAND): Likewise.
12508 * config/vax/vax.md (and<mode>3): Likewise.
12509 (ashrsi3): Likewise.
12511 (movstricthi): Likewise.
12512 (movstrictqi): Likewise.
12513 (rotrsi3): Likewise.
12514 (five unnamed insns): Likewise.
12516 2006-03-16 Geoffrey Keating <geoffk@apple.com>
12518 * doc/tm.texi (SDB and DWARF): Add extra parameter to
12519 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
12520 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
12521 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
12522 Pass to ASM_OUTPUT_DWARF_OFFSET.
12523 * dwarf2out.c (debug_frame_section): New.
12524 (output_call_frame_info): Use debug_frame_section. Pass it to
12525 dw2_asm_output_offset.
12526 (output_die): Pass appropriate section to dw2_asm_output_offset.
12527 (output_compilation_unit_header): Likewise.
12528 (output_pubnames): Likewise.
12529 (output_aranges): Likewise.
12530 (enum dw_val_class): Break dw_val_class_lbl_offset into
12531 dw_val_class_lineptr and dw_val_class_macptr.
12532 (add_AT_lbl_offset): Delete.
12533 (add_AT_lineptr): New.
12534 (add_AT_macptr): New.
12535 (AT_lbl): Expect a lineptr or macptr.
12536 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
12537 (attr_checksum): Likewise.
12538 (same_dw_val_p): Likewise.
12539 (size_of_die): Likewise.
12540 (value_format): Likewise.
12541 (output_die): Likewise.
12542 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
12544 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12545 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
12546 * config/darwin-protos.h (darwin_file_start): New.
12547 (darwin_asm_output_dwarf_offset): New.
12548 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12549 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
12551 * config/darwin.c (darwin_emit_unwind_label): Don't output label
12552 if not EH section; simplify.
12553 (darwin_file_start): New.
12554 (darwin_asm_output_dwarf_offset): New.
12555 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
12557 (DEBUG_INFO_SECTION): Likewise.
12558 (DEBUG_ABBREV_SECTION): Likewise.
12559 (DEBUG_ARANGES_SECTION): Likewise.
12560 (DEBUG_MACINFO_SECTION): Likewise.
12561 (DEBUG_LINE_SECTION): Likewise.
12562 (DEBUG_LOC_SECTION): Likewise.
12563 (DEBUG_PUBNAMES_SECTION): Likewise.
12564 (DEBUG_STR_SECTION): Likewise.
12565 (DEBUG_RANGES_SECTION): Likewise.
12566 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
12567 (ASM_OUTPUT_DWARF_OFFSET): New.
12569 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
12571 * config.gcc (tm_defines): Always add to previous value rather
12574 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12576 * config/mips/predicates.md (splittable_const_int_operand): New,
12577 split from move_operand.
12578 (splittable_symbolic_operand): New.
12579 (move_operand): Add commentary. Use splittable_const_int_operand.
12580 Inline mips_atomic_symbolic_constant_p.
12581 * config/mips/mips.md: Add combine splitters for handling moves
12582 of splittable_const_int_operands and splittable_symbolic_operands.
12583 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
12584 (mips_split_symbol): Declare.
12585 (mips_move_integer): Declare.
12586 * config/mips/mips.c (mips_split_p): Make global.
12587 (TARGET_MIN_ANCHOR_OFFSET): Override default.
12588 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12589 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12590 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
12591 (mips_offset_within_object_p): Handle block symbols.
12592 (mips_atomic_symbolic_constant_p): Delete.
12593 (mips_cannot_force_const_mem): Return false for constants that
12594 mips_legitimize_move can handle.
12595 (mips_use_blocks_for_constant_p): New function.
12596 (mips_split_symbol): Make global.
12597 (mips_move_integer): Likewise. Add a temporary register argument.
12598 (mips_legitimize_const_move): Use splittable_const_int_operand and
12599 splittable_symbolic_operand.
12600 (mips_use_anchors_for_symbol_p): New function.
12601 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
12602 (mips_split_p): Declare.
12604 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12606 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
12607 (mips*-*-linux*): Likewise.
12609 2006-03-16 Roger Sayle <roger@eyesopen.com>
12610 Daniel Speyer <dspeyer@wam.umd.edu>
12612 PR middle-end/18259
12613 * tree-dump.c (dump_real): New function.
12614 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
12615 * Makefile.in (REAL_H): New macro for dependencies on real.h.
12616 (tree-dump.o): Add $(REAL_H) to the dependencies.
12618 2006-03-16 Roger Sayle <roger@eyesopen.com>
12620 PR middle-end/21781
12621 * real.c (real_from_string): If the mantissa is zero, don't bother
12622 parsing the exponent as the result should always be zero.
12624 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
12626 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
12628 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12630 * config/ia64/ia64.c (stops_p): Added explicit initialization.
12631 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
12632 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
12633 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
12634 ia64_sched_finish_global): New static functions to implement
12635 hooks from gcc_target.sched.
12636 (spec_check_no, max_uid, pending_data_specs): New static variables.
12637 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
12638 ia64_spec_check_src_p): New static functions.
12639 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
12640 (TARGET_SCHED_ADJUST_COST): Removed.
12641 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
12642 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
12643 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12644 TARGET_SCHED_GEN_CHECK,
12645 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12646 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
12647 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
12648 Fixed to handle speculation checks.
12649 (rtx_needs_barrier): Fixed to handle speculative loads and
12651 (ia64_variable_issue): Added code to count speculative loads and their
12653 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
12655 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
12657 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
12659 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
12660 (ia64_reorg): Reset stops_p to NULL after it is freed.
12661 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
12662 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
12663 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
12665 (data_speculative, control_speculative, check_load): New attributes.
12666 (mov<mode>_advanced, mov<mode>_speculative,
12667 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
12668 zero_extend<mode>di2_speculative,
12669 zero_extend<mode>di2_speculative_advanced): New patterns for
12670 data and control speculative loads.
12671 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
12673 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
12674 New pattern for data and control speculation checks.
12675 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
12676 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
12677 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
12678 Auxiliary definitions for the patterns.
12679 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
12680 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
12682 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
12684 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
12685 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
12686 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
12687 New resource constraints.
12688 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
12690 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
12691 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
12692 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12693 msched-in-control-spec, msched-ldc, msched-control-ldc,
12694 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12695 msched-prefer-non-control-spec-insns,
12696 msched-count-spec-in-critical-path): New flags to tune speculative
12698 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
12699 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12700 msched-in-control-spec, msched-ldc, msched-control-ldc,
12701 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12702 msched-prefer-non-control-spec-insns,
12703 msched-count-spec-in-critical-path): Document new flags.
12705 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12707 * target.h (struct spec_info_def): New opaque declaration.
12708 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
12709 speculate_insn, needs_block_p, gen_check,
12710 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
12711 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
12712 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
12713 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
12714 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12715 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
12717 (TARGET_SCHED): Use new macros.
12718 * rtl.h (copy_DEPS_LIST_list): New prototype.
12719 * sched-int.h (struct sched_info): Change signature of new_ready field,
12720 adjust all initializations. New fields: add_remove_insn,
12721 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
12722 region_head_or_leaf_p.
12723 (struct spec_info_def): New structure declaration.
12724 (spec_info_t): New typedef.
12725 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
12726 recovery_block, orig_pat.
12727 (glat_start, glat_end): New variables declaraions.
12728 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
12730 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
12731 DETACH_LIFE_INFO, USE_GLAT.
12732 (enum SPEC_SCHED_FLAGS): New enumeration.
12733 (NOTE_NOTE_BB_P): New macro.
12734 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
12735 attach_life_info, debug_spec_status, check_reg_live): New functions.
12736 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
12737 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
12739 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
12740 * ddg.c (get_block_head_tail): Adjust all uses.
12741 * modulo-sched.c (get_block_head_tail): Adjust all uses.
12742 (sms_sched_info): Initialize new fields.
12743 (contributes_to_priority): Removed.
12744 * haifa-sched.c (params.h): New include.
12745 (get_block_head_tail): Adjust all uses.
12746 (ISSUE_POINTS): New macro.
12747 (glat_start, glat_end): New global variables.
12748 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
12749 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
12750 old_last_basic_block, before_recovery, current_sched_info_var,
12751 rgn_n_insns, luid): New static variables.
12752 (insn_cost1): New function. Move logic from insn_cost to here.
12753 (find_insn_reg_weight1): New function. Move logic from
12754 find_insn_reg_weight to here.
12755 (reemit_notes, move_insn, max_issue): Change signature.
12756 (move_insn1): Removed.
12757 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
12758 extend_bb): New static functions to support extension of scheduler's
12760 (generate_recovery_code, process_insn_depend_be_in_spec,
12761 begin_speculative_block, add_to_speculative_block,
12762 init_before_recovery, create_recovery_block, create_check_block_twin,
12763 fix_recovery_deps): New static functions to support
12764 generation of recovery code.
12765 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
12766 restore_bb_notes, move_block_after_check, move_succs): New static
12767 functions to support ebb scheduling.
12768 (init_glat, init_glat1, attach_life_info1, free_glat): New static
12769 functions to support handling of register live information.
12770 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
12771 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
12772 add_jump_dependencies): New static functions.
12773 (check_cfg, has_edge_p, check_sched_flags): New static functions for
12774 consistancy checking.
12775 (debug_spec_status): New function to call from debugger.
12776 (priority): Added code to handle speculation checks.
12777 (rank_for_schedule): Added code to distinguish speculative instructions.
12778 (schedule_insn): Added code to handle speculation checks.
12779 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
12780 Fixed to handle ebbs.
12781 (move_insn): Added code to handle ebb scheduling.
12782 (max_issue): Added code to use ISSUE_POINTS of instructions.
12783 (choose_ready): Added code to choose between speculative and
12784 non-speculative instructions.
12785 (schedule_block): Added code to handle ebb scheduling and scheduling of
12786 speculative instructions.
12787 (sched_init): Initialize new variables.
12788 (sched_finish): Free new variables. Print statistics.
12789 (try_ready): Added code to handle speculative instructions.
12790 * lists.c (copy_DEPS_LIST_list): New function.
12791 * sched-deps.c (extend_dependency_caches): New function. Move logic
12792 from create_dependency_caches to here.
12793 (get_dep_weak, ds_merge): Make global.
12794 * genattr.c (main): Code to output prototype for
12795 dfa_clear_single_insn_cache.
12796 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
12797 (output_dfa_clean_insn_cache_func): Code to output
12798 dfa_clear_single_insn_cache function.
12799 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
12801 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
12803 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
12804 New static variables.
12805 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
12806 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
12808 (ebb_sched_info): Initialize new fields.
12809 (get_block_head_tail): Adjust all uses.
12810 (compute_jump_reg_dependencies): Fixed to use glat_start.
12811 (schedule_ebb): Code to remove unreachable last block.
12812 (schedule_ebbs): Added code to update register live information.
12813 * sched-rgn.c (region_sched_info): Initialize new fields.
12814 (get_block_head_tail): Adjust all uses.
12815 (last_was_jump): Removed. Adjust users.
12816 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
12817 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
12818 Implement new hooks.
12819 (check_dead_notes1): New static function.
12820 (struct region): New fields: dont_calc_deps, has_real_ebb.
12821 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
12822 (BB_TO_BLOCK): Fixed to handle EBBs.
12823 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
12824 (ebb_head): New static variable.
12825 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
12826 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
12828 (compute_dom_prob_ps): New assertion.
12829 (check_live_1, update_live_1): Fixed to work with glat_start instead of
12830 global_live_at_start.
12831 (init_ready_list): New assertions.
12832 (can_schedule_ready_p): Split update code to begin_schedule_ready.
12833 (new_ready): Add support for BEGIN_CONTROL speculation.
12834 (schedule_insns): Fixed code that updates register live information
12836 (schedule_region): Fixed to handle EBBs.
12837 (init_regions): Use extend_regions and check_dead_notes1.
12838 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
12839 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
12840 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
12841 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12842 TARGET_SCHED_GEN_CHECK,
12843 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12844 TARGET_SCHED_SET_SCHED_FLAGS): Document.
12845 * doc/invoke.texi (max-sched-insn-conflict-delay,
12846 sched-spec-prob-cutoff): Document.
12848 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12850 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
12851 inter_tick, queue_index.
12852 (struct sched_info): Change signature of init_ready_list field.
12853 Adjust all initializations.
12854 (RESOLVED_DEPS): New access macro.
12855 (ready_add): Remove prototype.
12856 (try_ready): Add prototype.
12857 * sched-rgn.c (init_ready_list): Use try_ready.
12858 (schedule_region): Initialize
12859 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
12860 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
12861 (init_ready_list): Use try_ready.
12862 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
12863 * lists.c (remove_list_elem): Remove `static'.
12864 (remove_free_INSN_LIST_elem): New function.
12865 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
12866 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
12867 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
12869 (readyp): New variable.
12870 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
12871 change_queue_index, resolve_dep): New static functions.
12872 (try_ready): New function. Adjust callers in sched-rgn.c and
12873 sched-ebb.c to use it instead of ready_add.
12874 (clock_var): Move at the begining of file.
12875 (rank_for_schedule): Fix typo.
12876 (queue_insn): Add assertion. Handle QUEUE_INDEX.
12877 (ready_lastpos): Enforce assertion.
12878 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
12879 update all callers.
12880 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
12881 (schedule_insn): Rewrite to use try_ready and resolve_dep.
12882 (queue_to_ready): Use free_INSN_LIST_list.
12883 (early_queue_to_ready): Fix typo.
12884 (schedule_block): Init readyp. Move init_ready_list call after the
12885 initialization of clock_var. Fix error in rejecting insn by
12886 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
12887 that previously corrected INSN_TICKs. Add code for handling
12889 (set_priorities): Fix typo.
12890 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
12891 Clarify comment and code that keeps current_sched_info->next_tail
12894 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12896 * sched-rgn.c (extend_rgns): New static function.
12897 (find_rgns): Use it.
12898 (gather_region_statistics, print_region_statistics): New static
12900 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
12901 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
12903 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12904 Andrey Belevantsev <abel@ispras.ru>
12906 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
12907 * lists.c (unused_deps_list): New variable.
12908 (free_list): Add assertions to verify the proper distinguishing
12909 between INSN_LISTs and DEPS_LISTs.
12910 (find_list_elem, remove_list_elem, remove_list_node): New static
12912 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
12913 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
12914 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
12915 (alloc_INSN_LIST): Assert that the list we're working on is indeed
12917 (free_INSN_LIST_node): Likewise.
12918 * modulo-sched.c (current_sched_info): Initialize flags field.
12919 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
12920 * rtl.def (DEPS_LIST): Define.
12921 * rtl.h: Declare new functions from lists.c.
12922 * sched-deps.c (spec_dependency_cache): New static variable.
12923 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
12924 (add_dependence): Change return type to void. Move the logic to ...
12925 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
12926 (delete_all_dependences): Add comment about forward_dependency_cache.
12927 Handle spec_dependency_cache. Handle DEPS_LISTs.
12928 (fixup_sched_groups): Clarify the change of priority of output
12929 and anti dependencies.
12930 (sched_analyze_2): Adjust add_dependence calls to create data
12931 speculative dependence.
12932 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
12933 Adjust all callers. Handle DEPS_LISTS.
12934 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
12935 presence of speculation.
12936 (init_dependency_caches, free_dependency_caches):
12937 Handle spec_dependency_cache.
12938 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
12939 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
12940 New static functions.
12941 (add_or_update_back_dep, add_or_update_back_forw_dep,
12942 add_back_forw_dep, delete_back_forw_dep): New functions.
12943 * sched-int.h (ds_t, dw_t): New typedefs.
12944 (struct sched_info): Add new field flags.
12945 (struct haifa_insn_data): Add new bitfield has_internal_dep.
12946 Prototype new sched-deps.c functions.
12947 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
12948 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
12949 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
12950 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
12951 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
12952 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
12954 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
12956 * sched-rgn.c (current_sched_info): Initialize flags field.
12957 (schedule_insns): Initialize current_sched_info before the sched_init
12959 * sched-ebb.c (current_sched_info): Initialize flags field.
12960 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
12961 Call add_or_update_back_dep instead of add_dependence.
12962 Create control speculative dependencies.
12963 (schedule_insns): Initialize current_sched_info before the sched_init
12966 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
12968 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
12970 (sh_fallback_frame_state): Likewise.
12972 2006-03-15 Geoffrey Keating <geoffk@apple.com>
12974 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
12975 Do switch on default_use_cxa_atexit.
12976 (powerpc*-*-darwin*): Build crt2.o on powerpc.
12977 * config/darwin-crt3.o: New.
12978 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
12979 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
12980 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
12982 * config/rs6000/t-darwin: Move crt2.o building to here.
12983 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
12984 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
12987 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12989 * config/vax/vax.c (nonindexed_address_p): Change logical negation
12990 from '! xxx' to '!xxx' for coding-style conformance.
12991 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
12992 (EXTRA_CONSTRAINT): Likewise.
12993 * config/vax/vax.md (four unnamed insns): Likewise.
12995 2006-03-15 Paul Brook <paul@codesourcery.com>
12997 * config/arm/arm.c (minipool_pad): New.
12998 (add_minipool_forward_ref): Include pool alignment padding in address
13000 (push_minipool_fix): Set minipool_pad.
13001 (minipool_pad): Ditto.
13003 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13005 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
13006 instead of GET_CODE() == MEM and REG_P() instead of
13008 (print_operand_address): Likewise.
13009 (vax_address_cost): Likewise.
13010 (vax_rtx_costs): Likewise.
13011 (vax_notice_update_cc): Likewise.
13012 (vax_output_int_add): Likewise.
13013 (INDEX_REGISTER_P): Likewise.
13014 (BASE_REGISTER_P): Likewise.
13015 (nonindexed_address_p): Likewise.
13016 (vax_mode_dependent_address_p): Likewise.
13017 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
13018 (PRINT_OPERAND): Likewise.
13019 * config/vax/vax.md (ashlsi3): Likewise.
13020 (ashlsi3): Likewise.
13021 (some more unnamed insns): Likewise.
13023 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
13025 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
13026 iterator-style macro.
13027 (mark_control_dependent_edges_necessary): Update the use of
13028 EXECUTE_IF_CONTROL_DEPENDENT.
13030 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
13032 * config/sh/predicates.md (cache_address_operand): Special.
13033 (ua_address_operand): Likewise.
13035 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
13037 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
13039 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
13041 2006-03-15 Andreas Schwab <schwab@suse.de>
13043 * gensupport.c (identify_predicable_attribute): Don't free p_false
13044 when it is still in use.
13046 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
13048 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
13049 the default setting here.
13051 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
13053 * tree-pass.h (pass_cfg): Remove.
13054 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
13055 * passes.c (pass_cfg): Don't run it.
13057 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
13059 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
13060 * reg-stack.c (stack_regs_mentioned_data): Change the type to
13062 (stack_regs_mentioned): Update the uses of
13063 stack_regs_mentioned_data. Don't access the array beyond its
13065 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
13066 Don't include gt-reg-stack.h.
13068 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
13069 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
13071 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
13073 PR middle-end/26684
13074 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
13077 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13079 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
13081 2006-03-14 Richard Guenther <rguenther@suse.de>
13083 PR tree-optimization/26672
13084 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
13087 2006-03-14 Richard Guenther <rguenther@suse.de>
13089 PR tree-optimization/26667
13090 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
13091 node for the callees. Always allow inlining if it will shrink
13094 2006-03-14 Richard Guenther <rguenther@suse.de>
13096 PR middle-end/26659
13097 * builtins.c (get_pointer_alignment): Prefer alignment
13098 information from decls over that from types.
13100 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
13103 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
13105 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
13107 * config/rs6000/rs6000.opt (mdlmzb): New option.
13108 (msched-prolog, msched-epilog): Use Var not Mask.
13109 * doc/invoke.texi (-mdlmzb): Document.
13110 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
13112 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
13113 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
13115 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
13117 PR rtl-optimization/25739
13118 * bt-load.c (augment_live_range): Free tos pointer.
13120 * gensupport.c (identify_predicable_attribute): Free
13122 * gcov.c (create_file_names): Free name pointer.
13124 2006-03-13 Roger Sayle <roger@eyesopen.com>
13126 PR middle-end/26557
13127 * stmt.c (emit_case_nodes): Handle the case where the index is a
13128 CONST_INT, where the comparison mode is specified by the index type.
13130 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13132 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
13135 2006-03-13 Richard Sandiford <richard@codesourcery.com>
13137 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
13138 (*branch_fp_inverted): Likewise.
13140 2006-03-13 Jakub Jelinek <jakub@redhat.com>
13142 PR middle-end/25989
13143 * omp-low.c (expand_omp_for_generic): Mark istart0
13144 and iend0 as addressable.
13146 2006-03-13 Jie Zhang <jie.zhang@analog.com>
13148 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
13150 2006-03-13 Jeff Law <law@redhat.com>
13152 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
13153 virtual operands are interesting.
13154 (vrp_visit_stmt): Corresponding changes.
13156 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
13158 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
13160 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
13161 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
13162 * config/bfin/crti.S: Use it instead of __PIC__.
13163 * config/bfin/crtn.S: Likewise.
13165 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
13166 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
13168 Lose 'G' modifier for call operand.
13169 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
13170 recognize 'G' modifier.
13172 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
13174 PR middle-end/18859
13175 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
13176 * stmt.c (expand_case): Likewise.
13178 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13180 PR rtl-optimization/26254
13181 * loop-invariant.c (seq_insns_valid_p): New function.
13182 (move_invariant_reg): Only emit new code if it is valid.
13184 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13186 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
13188 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
13189 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
13190 (commit_one_edge_insertion): Do not look for loop notes.
13192 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13194 * jump.c (follow_jumps): Do not check for loop notes. Move check for
13195 flag_test_coverage out of loop.
13197 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13199 * final.c (shorten_branches): Remove outdated comment, and turn
13200 the if branch that guards it to continue.
13202 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13204 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
13205 * cfgloop.h (struct loop): Remove unused fields.
13207 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
13209 * doc/invoke.texi (-fdump-rtl-loop): Remove.
13210 (-dL, -fdump-rtl-loop2): Update the dump file names
13212 * doc/invoke.texi: Update dump file names.
13214 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
13216 * predict.c (estimate_probability): Remove.
13217 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
13218 * basic-block.h (estimate_probability): Remove prototype.
13219 * passes.c (finish_optimization_passes): Dump branch prediction or
13220 profiling heuristics to the .profile tree dump.
13221 (init_optimization_passes): Unqueue pass_branch_prob.
13223 * doc/invoke.texi (-fdump-rtl-bp): Remove.
13225 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13227 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
13228 * rtl.h (LABEL_NEXTREF): Remove field accessor.
13230 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
13232 * function.h (frame_offset_overflow): Declare.
13233 * function.c (frame_offset_overflow): New function.
13234 (assign_stack_local_1): Call it to detect that the offset overflows.
13235 * cfgexpand.c (alloc_stack_frame_space): Likewise.
13237 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13239 * config/sh/sh.c: Include alloc-pool.h.
13240 (label_ref_list_pool): New alloc pool.
13241 (label_ref_list_t): New type for lists of labels.
13242 (struct pool_node): Make wend a label_ref_list_t.
13243 (add_constant): Use the new type, eradicate LABEL_NEXTREF
13245 (dump_table): Likewise.
13246 (sh_reorg): Set up the alloc pool before using add_constant and
13247 dump_table, and destroy it when finishing.
13249 2006-03-11 Richard Sandiford <richard@codesourcery.com>
13251 * config/mips/mips.c: Remove redundant comment.
13253 2006-03-10 Jason Merrill <jason@redhat.com>
13256 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
13257 the target was declared 'register'.
13259 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
13261 * genpreds.c (write_insn_constraint_len): Change definition of
13262 insn_constraint_len to return size_t to match the declaration.
13264 2006-03-10 DJ Delorie <dj@redhat.com>
13266 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
13268 (m32c_expand_insv): Fix test for an AND mask.
13270 2006-03-10 Richard Guenther <rguenther@suse.de>
13272 PR middle-end/26565
13273 * builtins.c (get_pointer_alignment): Handle component
13274 references for field alignment.
13276 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13278 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
13279 when building with libgloss.
13280 (sh*elf): Implement --without-fp option.
13281 (sh64-superh-linux*): Don't multilib.
13283 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13285 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
13287 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
13289 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
13290 Set it when one of the replacement functions returned true.
13291 Return TODO_cleanup_cfg if cfgchanged is true.
13292 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
13294 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
13296 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
13297 instead of gen_lowpart.
13299 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13301 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
13303 (mips_output_order_conditional_branch): Declare.
13304 * config/mips/mips.h (MIPS_BRANCH): New macro.
13305 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
13306 for the comparison. Use gen_condjump.
13307 (mips_output_conditional_branch): Rework interface to take the
13308 asm templates for a direct branch and the inverse of a direct branch.
13309 (mips_output_order_conditional_branch): New function.
13310 (mips_builtin_branch_and_move): New function.
13311 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
13312 branch condition. Use gen_single_cc as the condition for
13313 __builtin_mips_upper_* or __builtin_mips_lower_*.
13314 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
13315 Use VOIDmode for the branch condition.
13316 * config/mips/predicates.md (order_operator): New predicate.
13317 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
13318 (branch_fp): Rename to...
13319 (*branch_fp): ...this. Remove mode from comparison operator.
13320 Use new mips_output_conditional_branch interface.
13321 (branch_fp_inverted): Rename to...
13322 (*branch_fp_inverted): ...this and update as for *branch_fp.
13323 (*branch_zero<mode>): Rename to...
13324 (*branch_order<mode>): ...this. Remove mode from comparison operator.
13325 Use mips_output_order_conditional_branch. Only accept ordered
13327 (*branch_zero<mode>_inverted): Rename to...
13328 (*branch_order<mode>_inverted): ...this and update as for
13329 *branch_order<mode>.
13330 (*branch_equality<mode>): Accept zero as the second operand to
13331 the equality operator. Use the new mips_output_conditional_branch
13333 (*branch_equality<mode>_inverted): Likewise.
13334 (condjump): New expander.
13335 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
13337 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
13338 (bc1any2t, bc1any2f): Likewise.
13339 (single_cc): New expander.
13340 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
13342 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13344 * doc/md.texi: Update documentation of MIPS constraints.
13345 * config/mips/constraints.md: New file.
13346 * config/mips/mips.md: Include it.
13347 * config/mips/mips.c (mips_char_to_class): Delete.
13348 (override_options): Don't initialize mips_char_to_class.
13349 * config/mips/mips.h (mips_char_to_class): Delete.
13350 (REG_CLASS_FROM_LETTER): Delete.
13351 (CONST_OK_FOR_LETTER_P): Delete.
13352 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13353 (EXTRA_CONSTRAINT_Y): Delete.
13354 (EXTRA_CONSTRAINT_STR): Delete.
13355 (CONSTRAINT_LEN): Delete.
13356 (EXTRA_MEMORY_CONSTRAINT): Delete.
13358 2006-03-09 Diego Novillo <dnovillo@redhat.com>
13360 * tree-cfg.c (move_block_to_fn): Remove the statements from the
13361 original fn's eh regions.
13363 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
13365 * fold-const.c (build_range_check): Make sure to use a valid type to
13366 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
13369 (range_predecessor): New static function.
13370 (range_successor): Likewise.
13371 (merge_ranges): Use them to compute predecessors and successors of
13374 2006-03-09 Roger Sayle <roger@eyesopen.com>
13376 PR middle-end/26561
13377 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
13378 X op C3, consider whether C3 overflows towards +Inf or -Inf.
13380 2006-03-08 DJ Delorie <dj@redhat.com>
13382 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
13383 (addpsi3): Expand to include memory operands. Remove
13384 reload-specific splits.
13385 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
13386 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
13387 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
13388 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
13389 (shift1_qi, shift1_hi, insv): New.
13390 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
13391 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
13392 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
13394 * config/m32c/m32c-protos.h: Update as needed.
13395 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
13396 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
13397 Fail for unrecognized R* constraints.
13398 (m32c_cannot_change_mode_class): Be more picky about pseudos.
13399 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
13400 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
13402 (m32c_init_libfuncs): New.
13403 (m32c_legitimate_address_p): Add debug wrapper.
13404 (m32c_rtx_costs): New.
13405 (m32c_address_cost): New.
13406 (conversions): Add 'B' prefix.
13407 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
13408 operands, or word regnames for QI operands. 'B' prints bit
13410 (m32c_expand_setmemhi): New.
13411 (m32c_expand_movmemhi): New.
13412 (m32c_expand_movstr): New.
13413 (m32c_expand_cmpstr): New.
13414 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
13415 (m32c_expand_neg_mulpsi3): Handle non-ints.
13416 (m32c_cmp_flg_0): New.
13417 (m32c_expand_movcc): New.
13418 (m32c_expand_insv): New.
13419 (m32c_scc_pattern): New.
13420 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
13421 a0/a1 out of SIregs.
13422 (STORE_FLAG_VALUE): New.
13423 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
13426 * config/m32c/mov.md: Make constraints more liberal.
13427 (zero_extendqihi2): Optimize r0/r1 case.
13428 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
13429 * config/m32c/predicates.md (m32c_any_operand): New.
13430 (m32c_nonimmediate_operand): New.
13431 (m32c_hl_operand): New.
13432 (m32c_r3_operand): New.
13435 (memsym_operand): New.
13436 (memimmed_operand): New.
13437 (a_qi_operand): New.
13438 (m32c_eqne_operator): New.
13439 (m32c_1bit8_operand): New.
13440 (m32c_1bit16_operand): New.
13441 (m32c_1mask8_operand): New.
13442 (m32c_1mask16_operand): New.
13443 * config/m32c/blkmov.md: New file.
13444 * config/m32c/t-m32c (MD_FILES): Add blkmov.
13446 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
13448 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
13449 unsigned to fix signed/unsigned comparison issue in
13450 DWARF2_FRAME_REG_OUT.
13451 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
13452 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
13454 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
13455 of ptr into the ENABLE_CHECKING section.
13457 2006-03-08 Jeff Law <law@redhat.com>
13459 * tree-vrp.c (infer_value_range): Only count pointer uses
13460 and dereferences if -fdelete-null-pointer-checks is enabled.
13462 * tree-vrp.c (find_assert_locations): Infer value ranges for
13463 single use pointers, but do not create ASSERT_EXPRs for them.
13464 When a non-null range is inferred for a pointer, backwards
13465 propagate that range to other equivalent pointers through the
13468 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
13471 * Makefile.in (dvi, html, install-info): Invoke the corresponding
13472 language hook targets.
13473 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
13474 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
13475 if language hook targets were missing.
13477 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
13479 * tree-ssa-opfinalize.h: Removed.
13480 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
13482 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
13483 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
13484 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
13485 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
13486 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
13487 finalize_ssa_v_must_def_ops): New.
13489 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
13491 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
13492 block as parameter.
13494 2006-03-07 Geoffrey Keating <geoffk@apple.com>
13496 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
13498 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
13499 addresses with offsets; reorganize.
13501 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
13502 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
13503 (expand_builtin_init_dwarf_reg_sizes): Likewise.
13505 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
13508 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
13510 2006-03-08 Ben Elliston <bje@au.ibm.com>
13512 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
13514 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
13517 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
13520 2006-03-07 Richard Guenther <rguenther@suse.de>
13522 PR tree-optimization/26587
13523 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
13525 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13527 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
13529 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13531 * hooks.c (hook_bool_mode_rtx_true): New function.
13532 * hooks.h (hook_bool_mode_rtx_true): Declare.
13533 * toplev.c (compile_file): Call output_shared_constant_pool.
13534 * varasm.c (shared_constant_pool): New variable.
13535 (assemble_start_function, assemble_end_function): Remove arguments
13536 from call to output_constant_pool.
13537 (create_constant_pool): New function, split out from...
13538 (init_varasm_status): ...here.
13539 (force_const_mem): Choose between the shared and per-function constant
13540 pools. Set current_function_uses_const_pool when reusing old entries
13541 as well as when creating new ones.
13542 (mark_constant): Ignore data argument.
13543 (mark_constants): Remove pool argument.
13544 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
13545 to decide whether the function uses a constant pool.
13546 (output_constant_pool_contents): New function, split out from...
13547 (output_constant_pool): ...here.
13548 (output_shared_constant_pool): New function.
13549 (init_varasm_once): Initialize shared_constant_pool.
13550 * output.h (output_constant_pool): Delete.
13551 (output_shared_constant_pool): Declare.
13552 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
13553 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
13555 2006-03-06 Nick Clifton <nickc@redhat.com>
13557 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
13558 flag_strength_reduce.
13560 2006-03-06 Ben Elliston <bje@au.ibm.com>
13562 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
13563 x86_64-*-linux* configurations.
13565 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
13566 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
13568 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13570 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
13572 * basic-block.h: Remove the extern for
13573 rediscover_loops_after_threading.
13575 * cfgloop.c (cancel_loop): Make it static.
13576 * cfgloop.h: Remove the prototype for cancel_loop.
13578 * flow.c (recompute_reg_usage): Make it static.
13579 * rtl.h: Remove the prototype for recompute_reg_usage.
13581 * function.c (use_return_register): Make it static.
13582 * function.h: Remove the prototype.
13584 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13586 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
13588 * recog.h: Remove the prototype for
13589 validate_change_maybe_volatile.
13591 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13593 * rtlanal.c (replace_reg): Remove.
13594 * rtl.h: Remove the prototype for replace_reg.
13596 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13598 * regclass.c (reg_scan_update): Remove.
13599 (reg_scan_mark_refs): Remove the last argument.
13600 * rtl.h: Remove the prototype for reg_scan_update.
13602 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13604 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
13605 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
13606 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
13607 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
13608 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
13609 loop-invariant.c, omp-low.c, opts.c, passes.c,
13610 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
13611 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
13612 tree-ssa-structalias.c, tree-ssa-threadedge.c,
13613 tree-ssa-threadupdate.c, tree-vect-patterns.c,
13614 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
13615 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
13617 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13619 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
13620 * dwarf2out.h: Remove the prototype for
13621 dwarf2out_add_library_unit_info.
13623 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13625 * tree.c (add_var_to_bind_expr): Remove.
13626 * tree.h: Remove the prototype for add_var_to_bind_expr.
13628 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13630 * regclass.c (n_non_fixed_regs): Remove.
13631 (init_reg_sets_1, globalize_reg): Remove all uses of
13633 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
13635 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13637 * rtlanal.c (insns_safe_to_move_p): Remove.
13638 * rtl.h: Remove the prototype for insns_safe_to_move_p.
13640 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13642 * expmed.c (expand_mult_add): Remove.
13643 * expr.h: Remove the prototype for expand_mult_add.
13645 2006-03-04 Jakub Jelinek <jakub@redhat.com>
13647 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
13648 and REG_SAVED_VAL_EXP constants.
13649 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
13650 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
13651 Handle regs stored by value.
13652 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
13653 (execute_cfa_program): Handle DW_CFA_val_offset,
13654 DW_CFA_val_offset_sf and DW_CFA_val_expression.
13655 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
13656 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
13657 (uw_install_context_1): Handle target regs stored by value.
13659 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
13661 * tree-sra.c (tree_sra): Return todoflags;
13662 (generate_one_element): Set TODO_update_smt_usage if needed.
13663 (pass_sra): Remove TODO_update_smt_usage.
13664 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
13666 (tree_ssa_forward_propagate_single_use_vars): Return
13667 TODO_update_smt_usage if we need to update SMT usage.
13668 (pass_forwprop): Remove TODO_update_smt_usage.
13670 2006-03-03 Diego Novillo <dnovillo@redhat.com>
13672 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
13673 (correct_use_link): Remove reference to get_stmt_operands.
13674 (update_stmt_operands): Likewise.
13675 (get_modify_expr_operands): New function factored out of
13676 parse_ssa_operands and get_expr_operands.
13677 Try to create V_MUST_DEFs for LHS by default.
13678 (get_expr_operands) <case MODIFY_EXPR>: Call
13679 get_modify_expr_operands.
13680 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
13681 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
13682 (parse_ssa_operands) <case MODIFY_EXPR>: Call
13683 get_modify_expr_operands.
13685 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
13687 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
13688 * tree-flow.h: Remove the prototype for
13689 referenced_var_lookup_if_exists.
13691 2006-03-03 Steve Ellcey <sje@cup.hp.com>
13693 PR rtl-optimization/26345
13695 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
13697 2006-03-03 Roger Sayle <roger@eyesopen.com>
13699 PR tree-optimization/26524
13700 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
13701 fold_convert to create a constant of the appropriate type.
13703 2006-03-03 Richard Sandiford <richard@codesourcery.com>
13705 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13706 SYMBOL_REF_IN_BLOCK_P.
13707 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
13708 of SYMBOL_FLAG_IN_BLOCK.
13709 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
13710 instead of SYMBOL_REF_IN_BLOCK_P.
13711 * explow.c (use_anchored_address): Likewise.
13712 * rtl.c (rtx_size): Likewise.
13713 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
13714 instead of SYMBOL_FLAG_IN_BLOCK.
13715 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13716 SYMBOL_REF_IN_BLOCK_P.
13717 (assemble_variable): Likewise.
13718 (output_constant_def_contents): Likewise.
13719 (output_constant_pool): Likewise.
13720 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
13721 instead of SYMBOL_FLAG_IN_BLOCK.
13722 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13723 SYMBOL_REF_IN_BLOCK_P.
13724 (SYMBOL_REF_BLOCK): Likewise.
13725 (SYMBOL_REF_OFFSET): Likewise.
13726 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13727 SYMBOL_REF_IN_BLOCK_P.
13728 (SYMBOL_FLAG_IN_BLOCK): Replace with...
13729 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
13730 (SYMBOL_REF_IN_BLOCK_P): Replace with...
13731 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
13733 2006-03-03 Jakub Jelinek <jakub@redhat.com>
13735 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
13737 2006-03-02 Roger Sayle <roger@eyesopen.com>
13739 * simplify-rtx.c (simplify_unary_operation): When simplifying
13740 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
13741 that we perform the right shift in the appropriate mode, and
13742 then extend or truncate the result to requested mode.
13744 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
13746 * gengtype.c (main): Handle double_int type.
13747 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
13748 * double-int.c: New file.
13749 * double-int.h: New file.
13750 * system.h: Include doubleint.h.
13751 * Makefile.in (SYSTEM_H): Include double-int.h.
13752 (double-int.o): Add.
13754 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
13757 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
13760 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13762 * tree-vrp.c (remove_range_assertions): Do not update statements
13765 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13767 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
13769 * gcse.c (rest_of_handle_gcse): Ditto.
13770 * except.c (gate_handle_eh): Ditto.
13771 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
13772 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
13774 2006-03-02 Eric Christopher <echristo@apple.com>
13776 * config/i386/i386.c (machopic_output_stub): Add indirection to
13779 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13783 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
13785 Sun Niagara specific optimizations.
13786 * config.gcc: Recognize niagara as target.
13787 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
13788 (TARGET_CPU_niagara): Define.
13789 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
13790 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
13791 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13792 (ASM_CPU_SPEC): Likewise.
13793 (PROCESSOR_NIAGARA): New enum entry.
13794 (REGISTER_MOVE_COST): Handle Niagara.
13795 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
13796 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
13797 (sparc_override_options): Recognize "niagara", set appropriate
13798 default MASK_* values for it, and align functions to 32-bytes
13799 by default just like ULTRASPARC/ULTRASPARC3.
13800 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
13801 (sparc64_initialize_trampoline): Likewise.
13802 (sparc_use_sched_lookahead): Use zero for niagara.
13803 (sparc_issue_rate): Use one for niagara.
13804 * config/sparc/niagara.md: New file.
13805 * config/sparc/sparc.md: Include it.
13806 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
13807 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
13808 when default cpu is niagara.
13809 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13810 (ASM_CPU_SPEC): Likewise.
13811 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
13812 when default cpu is niagara.
13813 (ASM_CPU_SPEC): Handle -mcpu=niagara.
13814 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
13815 just like v9/ultrasparc/ultrasparc3.
13816 * doc/invoke.texi: Add documentation for "niagara" and improve
13817 existing documentation for ultrasparc variants.
13819 2006-03-02 Diego Novillo <dnovillo@redhat.com>
13821 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
13823 2006-03-02 Richard Sandiford <richard@codesourcery.com>
13825 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
13826 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
13827 and say that only one is needed.
13828 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
13829 * target.h (have_switchable_bss_sections): New hook.
13830 * explow.c (use_anchored_address): Check that the symbol is in a block.
13831 * varasm.c (tls_comm_section, comm_section, lcomm_section)
13832 (bss_noswitch_section): New variables.
13833 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
13834 (get_noswitch_section): New function.
13835 (get_block_for_section): Allow SECT to be null.
13836 (unlikely_text_section_p): Use SECTION_STYLE.
13837 (bss_initializer_p): New function.
13838 (get_variable_section): Move earlier in file. Take a new argument,
13839 prefer_noswitch_p. Move bss checks from assemble_variable to here.
13840 Return one of the new *_sections in such cases.
13841 (get_block_for_decl): New function, extracting some logic from
13842 use_blocks_for_decl_p.
13843 (change_symbol_section): Remove in favor of...
13844 (change_symbol_block): ...this new function.
13845 (use_blocks_for_decl_p): Remove checks now performed by
13846 get_block_for_decl.
13847 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
13848 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
13849 (emit_local, emit_bss, emit_common): ...these new functions.
13850 Return true if the alignment was honored.
13851 (emit_tls_common): New function.
13852 (asm_emit_uninitialised): Delete.
13853 (assemble_variable_noswitch): New function, split out from...
13854 (assemble_variable): ...here. Don't make decisions about common
13855 variables here. Globalize all public decls that go into non-common
13856 sections. Check whether SYMBOL_REF_BLOCK is null.
13857 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
13858 (output_constant_pool): Likewise.
13859 (init_varasm_once): Initialize the new section variables.
13860 (have_global_bss_p): New function.
13861 (categorize_decl_for_section): Use bss_initializer_p.
13862 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
13863 (place_block_symbol): Assert that the symbol must be in a block.
13864 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
13865 (TARGET_INITIALIZER): Include it.
13866 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
13867 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
13868 (SECTION_MACH_DEP): Bump by two.
13869 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
13870 (unnamed_section): Mention SECTION_UNNAMED in comment.
13871 (named_section): Likewise SECTION_NAMED.
13872 (noswitch_section_callback): New type.
13873 (noswitch_section): New structure.
13874 (section): Add a noswitch_section alternative.
13875 (SECTION_STYLE): New macro.
13876 (tls_comm_section, comm_section, lcomm_section): Declare.
13877 (bss_noswitch_section, have_global_bss_p): Declare.
13878 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13879 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13881 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13882 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13885 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
13887 * tree-vrp.c (execute_vrp): Return value.
13888 * regrename.c (rest_of_handle_regrename): Ditto.
13889 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
13890 * tree-complex.c (tree_lower_complex): Ditto.
13891 (tree_lower_complex_O0): Ditto.
13892 * tracer.c (rest_of_handle_tracer): Ditto.
13893 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
13894 * postreload.c (rest_of_handle_postreload): Ditto.
13895 * tree-tailcall.c (execute_tail_recursion): Ditto.
13896 (execute_tail_calls): Ditto.
13897 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13898 * tree.h (init_function_for_compilation): Ditto.
13899 * ipa-cp.c (ipcp_driver): Ditto.
13900 * tree-scalar-evolution.c (scev_const_prop): Ditto.
13901 * tree-scalar-evolution.h (scev_const_prop): Ditto.
13902 * final.c (compute_alignments): Ditto.
13903 (rest_of_handle_final): Ditto.
13904 (rest_of_handle_shorten_branches): Ditto.
13905 (rest_of_clean_state): Ditto.
13906 * omp-low.c (execute_expand_omp): Ditto.
13907 (execute_lower_omp): Ditto.
13908 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
13909 * ipa-reference.c (static_execute): Ditto.
13910 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
13911 * reorg.c (rest_of_handle_delay_slots): Ditto.
13912 (rest_of_handle_machine_reorg): Ditto.
13913 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
13914 * flow.c (recompute_reg_usage): Ditto.
13915 (rest_of_handle_remove_death_notes): Ditto.
13916 (rest_of_handle_life): Ditto.
13917 (rest_of_handle_flow2): Ditto.
13918 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
13919 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
13920 (do_ssa_store_ccp): Ditto.
13921 (execute_fold_all_builtins): Ditto.
13922 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
13923 * modulo-sched.c (rest_of_handle_sms): Ditto.
13924 * ipa-pure-const.c (static_execute): Ditto.
13925 * cse.c (rest_of_handle_cse): Ditto.
13926 (rest_of_handle_cse2): Ditto.
13927 * web.c (rest_of_handle_web): Ditto.
13928 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
13929 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
13930 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
13931 * tree-nrv.c (tree_nrv): Ditto.
13932 (execute_return_slot_opt): Ditto.
13933 * tree-ssa-alias.c (compute_may_aliases): Ditto.
13934 (create_structure_vars): Ditto.
13935 * loop-init.c (rtl_loop_init): Ditto.
13936 (rtl_loop_done): Ditto.
13937 (rtl_move_loop_invariants): Ditto.
13938 (rtl_unswitch): Ditto.
13939 (rtl_unroll_and_peel_loops): Ditto.
13940 (rtl_doloop): Ditto.
13941 * gimple-low.c (lower_function_body): Ditto.
13942 (mark_used_blocks): Ditto.
13943 * tree-ssa-sink.c (execute_sink_code): Ditto.
13944 * ipa-inline.c (cgraph_decide_inlining): Ditto.
13945 (cgraph_early_inlining): Ditto.
13946 * global.c (rest_of_handle_global_alloc): Ditto.
13947 * jump.c (cleanup_barriers): Ditto.
13948 (purge_line_number_notes): Ditto.
13949 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
13950 (rest_of_handle_if_after_reload): Ditto.
13951 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
13952 (tree_ssa_loop_im): Ditto.
13953 (tree_ssa_loop_unswitch): Ditto.
13954 (tree_vectorize): Ditto.
13955 (tree_linear_transform): Ditto.
13956 (tree_ssa_loop_ivcanon): Ditto.
13957 (tree_ssa_empty_loop): Ditto.
13958 (tree_ssa_loop_bounds): Ditto.
13959 (tree_complete_unroll): Ditto.
13960 (tree_ssa_loop_prefetch): Ditto.
13961 (tree_ssa_loop_ivopts): Ditto.
13962 (tree_ssa_loop_done): Ditto.
13963 * predict.c (tree_estimate_probability): Ditto.
13964 * recog.c (split_all_insns_noflow): Ditto.
13965 (rest_of_handle_peephole2): Ditto.
13966 (rest_of_handle_split_all_insns): Ditto.
13967 * tree-eh.c (lower_eh_constructs): Ditto.
13968 * regmove.c (rest_of_handle_regmove): Ditto.
13969 (rest_of_handle_stack_adjustments): Ditto.
13970 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
13971 * function.c (instantiate_virtual_regs): Ditto.
13972 (init_function_for_compilation): Ditto.
13973 (rest_of_handle_check_leaf_regs): Ditto.
13974 * gcse.c (rest_of_handle_jump_bypass): Ditto.
13975 (rest_of_handle_gcse): Ditto.
13976 * ipa-type-escape.c (type_escape_execute): Ditto.
13977 * alias.c (rest_of_handle_cfg): Ditto.
13978 * tree-if-conv.c (main_tree_if_conversion): Ditto.
13979 * profile.c (rest_of_handle_branch_prob): Ditto.
13980 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
13981 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
13982 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
13983 * tree-dfa.c (find_referenced_vars): Ditto.
13984 * except.c (set_nothrow_function_flags): Ditto.
13985 (convert_to_eh_region_ranges): Ditto.
13986 (rest_of_handle_eh): Ditto.
13987 * emit-rtl.c (unshare_all_rtl): Ditto.
13988 (remove_unnecessary_notes): Ditto.
13989 * except.h (set_nothrow_function_flags): Ditto.
13990 (convert_to_eh_region_ranges): Ditto.
13991 * cfgexpand.c (tree_expand_cfg): Ditto.
13992 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
13993 * tree-ssa-pre.c (do_pre): Ditto.
13994 (execute_fre): Ditto.
13995 * cfgcleanup.c (rest_of_handle_jump): Ditto.
13996 (rest_of_handle_jump2): Ditto.
13997 * tree-sra.c (tree_sra): Ditto.
13998 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
13999 (execute_mudflap_function_decls): Ditto.
14000 * tree-ssa-copy.c (do_copy_prop): Ditto.
14001 (do_store_copy_prop): Ditto.
14002 * ipa-prop.h (ipcp_driver): Ditto.
14003 * cfglayout.c (insn_locators_initialize): Ditto.
14004 * tree-ssa-forwprop.c
14005 (tree_ssa_forward_propagate_single_use_vars): Ditto.
14006 * cfglayout.h (insn_locators_initialize): Ditto.
14007 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
14008 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
14009 (execute_late_warn_uninitialized): Ditto.
14010 * rtl.h (cleanup_barriers): Ditto.
14011 (split_all_insns_noflow): Ditto.
14012 (purge_line_number_notes): Ditto.
14013 (unshare_all_rtl): Ditto.
14014 (remove_unnecessary_notes): Ditto.
14015 (recompute_reg_usage): Ditto.
14016 (variable_tracking_main): Ditto.
14017 * integrate.c (emit_initial_value_sets): Ditto.
14018 * integrate.h (emit_initial_value_sets): Ditto.
14019 * tree-optimize.c (execute_free_datastructures): Ditto
14020 (execute_free_cfg_annotations): Ditto.
14021 (execute_fixup_cfg): Ditto.
14022 (execute_cleanup_cfg_pre_ipa): Ditto.
14023 (execute_cleanup_cfg_post_optimizing): Ditto.
14024 (execute_init_datastructures): Ditto.
14025 * tree-object-size.c (compute_object_sizes): Ditto.
14026 * combine.c (rest_of_handle_combine): Ditto.
14027 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
14028 * bb-reorder.c (duplicate_computed_gotos): Ditto.
14029 (rest_of_handle_reorder_blocks): Ditto.
14030 (rest_of_handle_partition_blocks): Ditto.
14031 * var-tracking.c (variable_tracking_main): Ditto.
14032 * tree-profile.c (tree_profiling): Ditto.
14033 * tree-vect-generic.c (expand_vector_operations): Ditto.
14034 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
14035 * sched-rgn.c (rest_of_handle_sched): Ditto.
14036 (rest_of_handle_sched2): Ditto.
14037 * basic-block.h (free_bb_insn): Ditto.
14038 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
14039 * tree-cfg.c (execute_build_cfg): Ditto.
14040 (remove_useless_stmts): Ditto.
14041 (split_critical_edges): Ditto.
14042 (execute_warn_function_return): Ditto.
14043 (execute_warn_function_noreturn): Ditto.
14044 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
14045 * cfgrtl.c (free_bb_for_insn): Ditto.
14046 * passes.c (execute_one_pass): Run additional
14047 todos returned by execute function.
14048 * tree-pass.h (struct tree_opt_pass): Make execute
14051 2006-03-02 Richard Guenther <rguenther@suse.de>
14053 * tree-ssa-alias.c (find_used_portions): Consider taking
14054 the address as making the variable not write-only.
14056 2006-03-02 Nick Clifton <nickc@redhat.com>
14058 * config.gcc (default_use_cxa_atexit): Extend the description of
14059 this configure variable. Set its default value to "yes" for
14060 Linux, NetBSD and ELF targets on the assumption that they will
14061 use C libraries with the __cxa_atexit function.
14063 2006-03-02 Ben Elliston <bje@au.ibm.com>
14065 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
14066 parameter as unused to suppress a build warning.
14068 2006-03-02 Ben Elliston <bje@au.ibm.com>
14070 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
14073 2006-03-01 Roger Sayle <roger@eyesopen.com>
14076 * gthr-posix.h (__gthrw2): Define to take three parameters, the
14077 declared name, the weak reference name, and the typeof name.
14078 (__gthrw): Avoid expanding the declared name suffix.
14079 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
14081 2006-03-01 Jakub Jelinek <jakub@redhat.com>
14083 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
14085 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
14086 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
14087 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
14088 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
14089 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
14090 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
14091 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
14092 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
14093 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
14094 DW_DS_leading_separate, DW_DS_trailing_separate): New.
14095 (DW_END_default, DW_END_big, DW_END_little): New.
14096 (DW_END_lo_user, DW_END_hi_user): Define.
14097 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
14098 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
14099 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
14102 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14104 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
14106 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
14108 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
14110 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
14112 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
14113 to 'symbol_mem_tag'.
14115 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
14118 2006-03-01 Roger Sayle <roger@eyesopen.com>
14120 * builtins.c (fold_builtin_copysign): Delete unreachable code.
14122 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14125 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
14126 MACHO_DYNAMIC_NO_PIC_P.
14127 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
14129 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14132 * config/darwin-protos.h (darwin_asm_output_anchor):
14134 * config/darwin-sections.def (cstring_section):
14135 Add SECTION_MERGE to the flags.
14136 (literal4_section): Likewise.
14137 (literal8_section): Likewise.
14138 (objc_selector_refs_section): Likewise.
14139 (objc_cls_refs_section): Likewise.
14140 * config/darwin.c (darwin_asm_output_anchor): New
14142 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14144 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
14146 Fix PR tree-optimization/26443
14147 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
14148 to todo and PROP_tmt_usage to properties_destroyed.
14149 * tree-ssa-ccp.c (pass_ccp): Ditto.
14150 (pass_store_ccp): Ditto.
14151 * tree-ssa-dom.c (pass_dominator): Ditto.
14153 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14155 * tree-ssa-operands.c: Cleanup whitespace.
14156 (get_asm_expr_operands): Move before first invocation.
14157 (get_indirect_ref_operands): Likewise.
14158 (get_tmr_operands): Likewise.
14159 (get_call_expr_operands): Likewise.
14160 (append_def): Likewise.
14161 (append_use): Likewise.
14162 (append_v_may_def): Likewise.
14163 (append_v_must_def): Likewise.
14164 (add_call_clobber_ops): Likewise.
14165 (add_call_read_ops): Likewise.
14166 (add_stmt_operand): Likewise.
14167 (add_virtual_operand): Likewise.
14168 (build_ssa_operands): Likewise.
14170 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14172 PR middle-end/26022
14174 PR middle-end/24437
14175 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14176 with a call expr to ...
14177 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14179 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14181 * tree-vrp.c (extract_range_from_assert): Remove special
14182 handling for types with super-types.
14184 2006-03-01 Ben Elliston <bje@au.ibm.com>
14186 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
14187 and powerpc64-*-linux* configurations.
14188 * config/t-dfprules: New file.
14190 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
14191 Compile dfp-bit.c from the source directory using -DWIDTH and
14192 $DFP_CFLAGS to control the compilation of that file, rather than
14193 generating width-specific versions in the build directory.
14194 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
14195 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
14197 2006-02-28 Zack Weinberg <zackw@panix.com>
14199 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
14202 2006-02-28 Eric Christopher <echristo@apple.com>
14204 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
14205 Set up IN_LIBGCC definition of TARGET_64BIT.
14206 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
14208 2006-02-28 Roger Sayle <roger@eyesopen.com>
14210 PR middle-end/14752
14211 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
14212 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
14213 cases via the construction of "expr != 0".
14215 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
14217 * alias.c (alias_invariant, alias_invariant_size): Remove.
14218 (record_base_value): Remove.
14219 (memrefs_conflict_p): Don't look at alias_invariant.
14220 (end_alias_analysis): Don't free it.
14221 * alias.h (record_base_value): Remove prototype.
14223 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
14224 Adam Nemet <anemet@caviumnetworks.com>
14226 * rtl.h (truncated_to_mode): Declare it.
14227 (struct rtl_hooks): Add reg_truncated_to_mode hook.
14228 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
14229 (RTL_HOOKS_INITIALIZER): Include it.
14230 * rtlhooks.c (reg_truncated_to_mode_general): New function.
14231 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
14232 reg_truncated_to_mode.
14233 * rtlanal.c (truncated_to_mode): Define it.
14234 * simplify-rtx.c (simplify_unary_operation_1): Use it.
14236 2006-02-28 Jeff Law <law@redhat.com>
14238 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
14239 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
14240 the range allowed by TYPE_PRECISION.
14242 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
14244 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
14246 PR tree-optimization/26419
14247 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
14250 2006-02-27 Zack Weinberg <zackw@panix.com>
14252 * doc/md.texi: Fix typo in previous change.
14254 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
14258 2006-02-27 Zack Weinberg <zackw@panix.com>
14260 * rtl.def (define_constraint, define_register_constraint)
14261 (define_memory_constraint, define_address_constraint): New MD forms.
14262 * gensupport.c (process_rtx): Put define_constraint etc on the
14264 * genpreds.c (process_define_predicate): Adjust comment. Validate
14265 the name, and call validate_exp to validate the expression.
14266 (mark_mode_tests, write_extract_subexp): Can assume correct input.
14267 (write_predicate_expr): Likewise. NAME argument no longer necessary;
14268 all callers changed.
14269 (validate_exp, needs_variable, struct constraint_data)
14270 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
14271 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
14272 (const_dbl_constraints, constraint_max_namelen)
14273 (have_register_constraints, have_memory_constraints)
14274 (have_address_constraints, have_address_constraints)
14275 (have_extra_constraints, have_const_int_constraints)
14276 (have_const_dbl_constraints, mangle, add_constraint)
14277 (process_define_constraint, process_define_register_constraint)
14278 (write_enum_constraint_num, write_lookup_constraint)
14279 (write_insn_constraint_len, write_regclass_for_constraint)
14280 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
14281 (write_insn_extra_memory_constraint)
14282 (write_insn_extra_address_constraint)
14283 (write_satisfies_constraint_fns): New.
14284 (write_tm_preds_h): If we have new-style constraint definitions,
14285 prototype the functions generated from them, and define the
14286 old constraint interface (still used by generic code) in terms of
14288 (write_insn_preds_c): If we have new-style constraint definitions,
14289 generate all relevant functions from those definitions.
14290 (main): Handle define_constraint etc.
14291 * genoutput.c (struct constraint_data, indep_constraints)
14292 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
14293 (mdep_constraint_len): New data structures and functions, defined
14294 #ifdef USE_MD_CONSTRAINTS.
14295 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
14296 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
14297 use new logic to validate operand constraints against constraint
14299 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
14301 * defaults.h: If none of the old-style constraint macros are
14302 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
14303 old-style macros; and poison REG_CLASS_FROM_LETTER,
14304 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
14306 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
14307 * doc/md.texi: Document new constraint-definition mechanism and the
14308 C interface it provides. Remove references to old mechanism
14309 elsewhere in the document.
14310 (Machine Constraints): Use pathnames relative to gcc directory,
14311 i.e. config/ARCH/FILE. Change i386 section to refer to
14312 config/i386/predicates.md; update that section to match docstrings.
14313 * doc/tm.texi: Move all documentation of the old constraint-
14314 definition macros to their own section, clearly mark as obsolete.
14316 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
14317 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
14319 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
14320 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
14321 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
14322 constraint strings.
14323 (splits and peepholes): Use satisfies_constraint_*.
14324 * config/i386/i386.c (memory_address_length)
14325 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
14327 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14329 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
14330 scalar operation to be put back into the loop.
14332 2006-02-27 Jakub Jelinek <jakub@redhat.com>
14335 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
14336 (extract_cie_info): Handle S flag in augmentation string.
14337 (execute_cfa_program): If context->signal_frame, execute also
14338 fs->pc == context->ra instructions.
14339 (uw_frame_state_for): If context->signal_frame, don't subtract one
14340 from context->ra to find FDE.
14341 (uw_update_context_1): Set context->signal_frame to
14343 (_Unwind_GetIPInfo): New function.
14344 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
14345 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
14347 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
14348 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
14349 * unwind-compat.c (_Unwind_GetIPInfo): New function.
14350 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
14351 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
14352 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
14353 * config/i386/linux-unwind.h (x86_fallback_frame_state,
14354 x86_64_fallback_frame_state): Set fs->signal_frame.
14355 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
14356 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
14357 (frob_update_context): Likewise. Workaround missing S flag in
14358 Linux 2.6.12 - 2.6.16 kernel vDSOs.
14359 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
14360 Remove the psw_addr + 1 hack.
14362 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14364 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
14365 with aggregates here.
14366 (find_func_aliases): Remove code for &<aggregate> from here.
14368 2006-02-26 Roger Sayle <roger@eyesopen.com>
14370 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
14371 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
14372 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
14373 as (X & C) ne/eq 0.
14375 2006-02-26 Roger Sayle <roger@eyesopen.com>
14377 PR middle-end/19983
14378 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
14380 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
14382 * opts.c (decode_options): Do not handle flag_strength_reduce.
14383 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
14384 and OPT_fstrength_reduce.
14385 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
14386 flag_prefetch_loop_arrays for being nonzero.
14387 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
14389 (fprefetch-loop-arrays-rtl): Removed.
14390 (flag_prefetch_loop_arrays): Do not specify the value.
14392 * doc/passes.texi: Update documentation of loop optimizer
14394 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
14395 -frerun-loop-opt): Remove.
14397 2006-02-26 Richard Guenther <rguenther@suse.de>
14399 PR tree-optimization/26421
14400 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
14401 in function calls that are ADDR_EXPRs as using the whole structure.
14403 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
14405 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
14406 * tree-pass.h (pass_loop_optimize): Remove.
14407 * passes.c (pass_loop_optimize): Never run it.
14408 * toplev.c (backend_init): Don't call init_loop.
14409 * opts.c (flag_loop_optimize_set): Remove.
14410 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
14411 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
14412 the old RTL loop optimizer when profiling enabled.
14413 * predict.c (tree_estimate_probability): Always strip builtin_expect.
14414 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
14415 pre-headers for the sake of the old RTL loop optimizer.
14416 * Makefile.in: Remove all references to loop.o.
14418 * doc/invoke.texi: Remove all references to -floop-optimize
14419 and -frerun-loop-opt.
14421 2006-02-26 Zack Weinberg <zackw@panix.com>
14423 * doc/md.texi (Machine Constraints): Refer to all files with paths
14424 relative to gcc directory (i.e. config/CPU/file). Add missing
14425 @table @code ... @end table to M32C subsection.
14427 2006-02-26 Roger Sayle <roger@eyesopen.com>
14429 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
14431 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
14433 2006-02-26 Roger Sayle <roger@eyesopen.com>
14434 James A. Morrison <phython@gcc.gnu.org>
14436 PR middle-end/21137
14437 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
14438 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
14439 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
14440 signedness of the shift operation.
14442 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
14444 PR tree-optimization/26359
14445 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
14447 2006-02-25 Roger Sayle <roger@eyesopen.com>
14449 * simplify-rtx.c (simplify_relational_operation_1): Simplify
14450 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
14451 as X == 0, and some symmetry related transformations.
14452 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
14454 2006-02-25 Roger Sayle <roger@eyesopen.com>
14456 PR middle-end/23673
14457 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
14458 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
14459 symmetry related transformations. Fold (X^C1) == C2 as
14462 2006-02-25 Juergen Weigert <jw@suse.de>
14463 Richard Guenther <rguenther@suse.de>
14465 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
14467 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
14469 * combine.c (gen_lowpart_or_truncate): Call
14470 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
14472 2006-02-24 Diego Novillo <dnovillo@redhat.com>
14474 * doc/invoke.texi: Move -fopenmp description to "Options for
14476 Remove reference to -lgomp.
14478 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14480 * doc/install.texi: Require GNU tar version 1.14.
14482 2006-02-24 Geoffrey Keating <geoffk@apple.com>
14484 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
14485 * doc/invoke.texi (C++ Dialect Options): Document
14486 -fno-use-cxa-get-exception-ptr.
14487 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
14488 * configure: Regenerate.
14489 * c.opt (fuse-cxa-get-exception-ptr): New.
14490 * c-opts.c (c_common_handle_option): Handle
14491 OPT_fuse_cxa_get_exception_ptr.
14492 * c-common.c (flag_use_cxa_atexit): Update documentation.
14493 (flag_use_cxa_get_exception_ptr): New.
14494 * c-common.h (flag_use_cxa_get_exception_ptr): New.
14495 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
14497 (C_COMMON_OVERRIDE_OPTIONS): New.
14499 2006-02-24 Roger Sayle <roger@eyesopen.com>
14501 PR middle-end/24952
14502 * combine.c (try_combine): Explicitly check whether GET_CODE is
14503 a SET or a CLOBBER, instead on checking that it isn't a USE.
14505 2006-02-24 Roger Sayle <roger@eyesopen.com>
14507 * fold-const.c (fold_comparison): New subroutine of fold_binary
14508 containing transformations common to both the equality and
14509 ordering relational operators, factored out of fold_binary.
14510 (fold_binary): Separate out the equality operators (EQ_EXPR
14511 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
14512 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
14513 transformations common to both.
14514 (fold_div_compare): Fix latent bugs in the previously unreachable
14515 LT_EXPR and GE_EXPR cases.
14517 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14519 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
14520 decl libname for clog to __clog on AIX.
14522 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
14524 2006-02-24 Alan Modra <amodra@bigpond.net.au>
14527 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
14528 output traceback table for thunks. Localise rs6000_stack_info call.
14530 2006-02-23 Roger Sayle <roger@eyesopen.com>
14531 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14533 * gthr-posix.h (__gthrw): Fix typo in comment.
14535 2006-02-23 Geoffrey Keating <geoffk@apple.com>
14537 * doc/cpp.texi (Character sets): Document that we do support
14538 input files to be in any character set.
14540 2006-02-23 Jeff Law <law@redhat.com>
14542 * tree.h (PHI_ARG_NONZERO): Remove.
14543 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
14544 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
14545 node to the new node.
14547 PR tree-optimization/26425
14548 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
14549 min/max, then assume its varying.
14551 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14553 PR rtl-optimization/26316
14554 * rtlanal.c (enum may_trap_p_flags): New.
14555 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
14556 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
14557 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
14558 (may_trap_after_code_motion_p): New function.
14559 * loop-invariant.c (find_identical_invariants): Fix dump formating.
14560 (find_invariant_insn): Use may_trap_after_code_motion_p.
14561 * rtl.h (may_trap_after_code_motion_p): Declare.
14563 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14565 * emit-rtl.c (immed_double_const): Cleanup.
14567 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
14569 Fix PR tree-optimization/26376
14570 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
14573 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14575 PR middle-end/26412
14576 * gimplify.c (omp_add_variable): Guard variable size decl test with
14577 DECL_SIZE (decl) check.
14579 2006-02-23 Richard Guenther <rguenther@suse.de>
14581 PR middle-end/26439
14582 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
14583 like aggregate types.
14585 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14587 * configure.ac: Add --with{,out}-long-double-128 configure option.
14588 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
14589 * configure: Rebuilt.
14590 * config.in: Rebuilt.
14591 * doc/install.texi (Options specification): Document
14592 --with-long-double-128.
14594 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14595 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14596 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14597 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14599 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
14601 * config/s390/s390.c (override_options): Handle
14602 TARGET_DEFAULT_LONG_DOUBLE_128.
14604 * config/alpha/alpha.c (override_options): Handle
14605 TARGET_DEFAULT_LONG_DOUBLE_128.
14607 * config/sparc/sparc.c (sparc_override_options): Handle
14608 TARGET_DEFAULT_LONG_DOUBLE_128.
14610 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
14612 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
14613 (real-install-headers-tar, real-install-headers-cpio)
14614 (real-install-headers-cp): New targets.
14616 2006-02-22 Richard Sandiford <richard@codesourcery.com>
14618 * tree.h (variable_section): Delete.
14619 * varasm.c (variable_section): Delete.
14621 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
14623 * install.texi: Add notes on install.texi2html.
14624 (Building in parallel): Do not use footnotes.
14626 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
14629 * doc/install.texi (Configuration): Document --disable-libgomp.
14631 2006-02-21 Geoffrey Keating <geoffk@apple.com>
14633 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
14635 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14637 * config/i386/sse.md (vec_extractv2df_1_sse): New.
14638 (vec_extractv2df_0_sse): New.
14640 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14642 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
14643 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
14644 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
14645 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
14646 to the result of the expression.
14647 (def_cfa_1): Adjust.
14648 (frame_pointer_cfa_offset): Rename to...
14649 (frame_pointer_fb_offset): ... this. Adjust all uses.
14650 (convert_cfa_to_loc_list): Rename to...
14651 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
14652 Pass it on to build_cfa_loc.
14653 (compute_frame_pointer_to_cfa_displacement): Rename to...
14654 (compute_frame_pointer_to_fb_displacement): ... this. New
14655 offset parameter. Use it in computation.
14656 (gen_subprogram_die): Compute cfa_fb_offset with the new
14657 macro, and use it to compute the fb loc list and the
14660 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
14662 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
14663 replaced with register_operand.
14664 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
14665 non-DREG is expensive.
14666 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
14667 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
14670 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
14672 * doc/install.texi2html: Use set -e.
14674 2006-02-21 Richard Sandiford <richard@codesourcery.com>
14676 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14677 (ASM_OUTPUT_SHARED_LOCAL): Delete.
14678 * doc/invoke.texi (-fshared-data): Delete.
14679 * common.opt (fshared-data): Delete.
14680 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
14681 (assemble_static_space): Remove #if 0 code.
14682 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14683 (ASM_OUTPUT_SHARED_LOCAL): Poison.
14684 * config/cris/cris.h: Remove FIXME.
14686 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
14688 * doc/sourcebuild.texi (Front End Directory): No more double-colon
14691 2006-02-21 Jakub Jelinek <jakub@redhat.com>
14693 PR middle-end/26379
14694 * combine.c (simplify_shift_const_1): Disable nested shifts
14695 optimization for vector shifts.
14697 2006-02-20 Roger Sayle <roger@eyesopen.com>
14699 PR tree-optimization/26361
14700 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
14701 of unsigned integer types.
14703 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
14705 * tree-chrec.c (eq_evolutions_p): New.
14706 * tree-chrec.h (eq_evolutions_p): Declared.
14707 * tree-data-ref.c: Fix formatting.
14708 (datadep_stats, dependence_stats): New.
14710 (print_direction_vector): New.
14711 (dump_data_dependence_relation): Use print_direction_vector.
14712 (object_analysis, create_data_ref): Handle COMPONENT_REF.
14713 (compute_subscript_distance): Static.
14714 (initialize_data_dependence_relation): Static. Get the number
14715 of loops surrounding the references from the callers, and initialize
14716 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
14717 base_object_differ_p analyzers.
14718 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
14719 compute_overlap_steps_for_affine_1_2,
14720 analyze_subscript_affine_affine): Count the classified dependences.
14721 Print a message when a test failed.
14722 (can_use_analyze_subscript_affine_affine): New.
14723 (analyze_siv_subscript): Compute the data dependences on symbolic
14724 scevs that verify can_use_analyze_subscript_affine_affine.
14725 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
14726 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
14727 Handle symbolic scevs.
14728 (analyze_overlapping_iterations): Let symbolic affine scevs to be
14730 (subscript_dependence_tester): Moved...
14731 (build_classic_dist_vector, build_classic_dir_vector): Don't use
14732 lambda_vector_clear on newly allocated vectors. Get nb_loops from
14733 DDR_SIZE_VECT instead of getting it in parameter.
14734 (subscript_dependence_tester): ... here. Take as a parameter
14735 loop_nest_depth. Call build_classic_dist_vector and
14736 build_classic_dir_vector.
14737 (compute_affine_dependence): Update subscript_dependence_tester
14738 parameters. Update datadep_stats counters. Call
14739 compute_subscript_distance.
14740 (compute_self_dependence): Save the dist and dir vectors. Call
14741 compute_subscript_distance.
14742 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
14743 (compute_all_dependences): Reorder parameters as they were before
14744 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
14745 compute_subscript_distance. Update the use of
14746 compute_affine_dependence and initialize_data_dependence_relation.
14747 (find_data_references_in_loop): Handle COMPONENT_REF.
14748 (compute_data_dependences_for_loop): Initialize dependence_stats.
14749 Don't call build_classic_dist_vector and build_classic_dir_vector.
14750 Update the parameters of initialize_data_dependence_relation and
14751 compute_all_dependences. Print the statistics from datadep_stats.
14752 (analyze_all_data_dependences): Static. Not used until the pass for
14753 checking the data dependences is contributed.
14754 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
14755 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
14756 (initialize_data_dependence_relation, compute_affine_dependence,
14757 analyze_all_data_dependences, compute_subscript_distance): Removed.
14758 (print_direction_vector): New.
14759 * lambda.h (gcd): ... here.
14760 (lambda_vector_gcd): Moved here from gcd_vector.
14761 * lambda-code.c (gcd, gcd_vector): Removed.
14762 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
14763 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
14765 2006-02-20 Diego Novillo <dnovillo@redhat.com>
14767 * ipa-type-escape.c: Tidy some comments and white space.
14768 * tree-ssa-operands.c: Likewise.
14770 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
14773 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
14774 (dump_decl_name): Do not walk the decl tree chains.
14775 * tree-pass.h (TDF_CHAIN): Remove.
14777 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14779 * Makefile.in (C): Remove
14781 (.PHONY): Remove C and PROTO
14783 2006-02-20 Roger Sayle <roger@eyesopen.com>
14785 PR middle-end/26236
14786 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
14787 deprecated CHAR_TYPE tree code.
14789 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14791 * configure.ac (target_list): Add install-info, dvi, html.
14792 * configure: Regenerate.
14794 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
14795 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
14796 treelang/Make-lang.in: Do not use double-colon rules.
14798 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
14800 * tree.h (struct tree_memory_tag): Add is_used_alone member.
14801 (TMT_USED_ALONE): New macro.
14802 * tree-pass.h (PROP_tmt_usage): New property.
14803 (TODO_update_tmt_usage): New todo.
14804 * tree-ssa-alias.c (updating_used_alone): New variable.
14805 (recalculate_used_alone): New function.
14806 (compute_may_aliases): Set updating_used_alone, call
14807 recalculate_used_alone.
14808 * tree-sra.c (pass_sra): Note that this pass destroys
14809 PROP_tmt_usage, and add TODO_update_tmt_usage.
14810 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
14811 * tree-flow.h (updating_used_alone): Prototype.
14812 (recalculate_used_alone): Ditto.
14813 * passes.c (execute_todo): Add code to set updating_used_alone,
14814 and call recalculate.
14815 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
14816 for clobber if used alone, and add assert to verify used_alone
14819 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
14821 * config/s390/s390.c (legitimize_pic_address): Assertions checking
14822 for non tls symbols added.
14823 (legitimize_address): Do nothing for PLUS expressions if one of the
14824 addends is a tls symbol reference.
14826 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14830 * Makefile.in (LDFLAGS): Define from autoconf substitution.
14832 * Makefile.in (BOOTSTRAPPING): New.
14833 (quickstrap): New definition if BOOTSTRAPPING=yes.
14835 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
14836 * configure.ac: Substitute all_selected_languages with the languages
14837 that were configured. For all the other variables except
14838 lang_specs_files, include all the languages in the tree.
14839 * configure: Regenerate.
14841 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
14842 if there is one. Run the commands to run fixincludes in the same
14845 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
14846 * doc/install.texi: Document exact conventions for searching target tools.
14847 Document --with-build-time-tools. Document toplevel bootstrap. Document
14848 something more about building an Ada cross-compiler. Don't list GNU Make
14849 requirements which affect all platforms.
14851 2006-02-19 Roger Sayle <roger@eyesopen.com>
14853 PR middle-end/19543
14854 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
14855 only equivalent if the have both the same mode and precision.
14857 2006-02-20 Ben Elliston <bje@au.ibm.com>
14859 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
14861 2006-02-19 Roger Sayle <roger@eyesopen.com>
14862 Steven Bosscher <stevenb.gcc@gmail.com>
14864 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
14865 constant pool references to identify stack mode constants.
14866 * rtlanal.c (constant_pool_constant_p): New predicate to check
14867 whether operand is a floating point constant in the pool.
14868 * rtl.h (constant_pool_constant_p): Prototype here.
14869 * loop.c (scan_loop): Avoid hoisting constants from the constant
14870 pool on STACK_REGS targets.
14871 (load_mems): Likewise.
14872 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
14873 loads into x87 registers expensive in terms of register pressure.
14875 2006-02-19 Roger Sayle <roger@eyesopen.com>
14877 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
14878 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
14880 2006-02-19 David Edelsohn <edelsohn@gnu.org>
14882 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14883 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
14885 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
14887 * doc/invoke.texi: Document -fipa-pta.
14888 * common.opt: Add ipa-pta option.
14889 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
14890 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
14891 (do_ds_constraint): Ditto.
14892 (get_constraint_for): Only add to referenced_vars if
14893 referenced_vars exists.
14894 (insert_into_field_list): Rewrite to do this unsorted.
14895 (insert_into_field_list_sorted): Rename old insert_into_field_list
14897 (create_function_info_for): Use insert_into_field_list_sorted.
14898 (create_variable_info_for): Rewrite so it uses unsorted version,
14899 since the field list is sorted.
14900 (intra_create_variable_infos): Only add to referenced_vars if
14901 referenced_vars exists.
14902 (ipa_pta_execute): Init heapvars, and delete when done.
14903 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
14905 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14907 * doc/install.texi: Add missing `@samp'.
14909 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14911 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
14914 2006-02-18 Mark Wielaard <mark@klomp.org>
14916 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
14917 who added new 4.1 features, bug fixes and integration support.
14919 2006-02-18 David Edelsohn <edelsohn@gnu.org>
14922 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
14923 MEM for ABI_V4 pic.
14925 2006-02-18 Richard Sandiford <richard@codesourcery.com>
14927 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
14928 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
14929 (copy_insn_1): Likewise. Don't copy each field individually.
14931 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
14933 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
14934 * rtl.c (rtx_size): Rename variable to...
14935 (rtx_code_size): ...this.
14936 (rtx_size): New function.
14937 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
14938 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
14940 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
14941 * rtl.h (rtx_code_size): New variable.
14942 (rtx_size): Change from a variable to a function.
14943 (RTX_SIZE): Rename to...
14944 (RTX_CODE_SIZE): ...this.
14947 PR tree-optimization/17106
14948 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
14949 (Anchored Addresses): New section.
14950 * doc/invoke.texi (-fsection-anchors): Document.
14951 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
14952 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
14953 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
14954 * hooks.c (hook_bool_mode_rtx_false): New function.
14955 * hooks.h (hook_bool_mode_rtx_false): Declare.
14956 * gengtype.c (create_optional_field): New function.
14957 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
14958 SYMBOL_REF_IN_BLOCK_P is true.
14959 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
14960 (min_anchor_offset, max_anchor_offset): Likewise.
14961 (use_anchors_for_symbol_p): New hook.
14962 * toplev.c (compile_file): Call output_object_blocks.
14963 (target_supports_section_anchors_p): New function.
14964 (process_options): Check that -fsection-anchors is only used on
14965 targets that support it and when -funit-at-a-time is in effect.
14966 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
14967 if the decl doesn't have one.
14968 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
14969 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
14970 of force_const_mem through use_anchored_address.
14971 (expand_expr_constant): New function.
14972 (expand_expr_addr_expr_1): Call it. Use the same modifier when
14973 calling expand_expr for INDIRECT_REF.
14974 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
14975 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
14976 * expr.h (use_anchored_address): Declare.
14977 * loop-unroll.c: Don't declare rtx vectors here.
14978 * explow.c: Include output.h.
14979 (validize_mem): Call use_anchored_address.
14980 (use_anchored_address): New function.
14981 * common.opt (-fsection-anchors): New switch.
14982 * varasm.c (object_block_htab, anchor_labelno): New variables.
14983 (hash_section, object_block_entry_eq, object_block_entry_hash)
14984 (use_object_blocks_p, get_block_for_section, create_block_symbol)
14985 (use_blocks_for_decl_p, change_symbol_section): New functions.
14986 (get_variable_section): New function, split out from assemble_variable.
14987 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
14988 use_blocks_for_decl_p say so. Use change_symbol_section if the
14989 symbol has already been created.
14990 (assemble_variable_contents): New function, split out from...
14991 (assemble_variable): ...here. Don't output any code for
14992 block symbols; just pass them to place_block_symbol.
14993 Use get_variable_section and assemble_variable_contents.
14994 (get_constant_alignment, get_constant_section, get_constant_size): New
14995 functions, split from output_constant_def_contents.
14996 (build_constant_desc): Create a block symbol if use_object_blocks_p
14997 says so. Or into SYMBOL_REF_FLAGS.
14998 (assemble_constant_contents): New function, split from...
14999 (output_constant_def_contents): ...here. Don't output any code
15000 for block symbols; just pass them to place_section_symbol.
15001 Use get_constant_section and get_constant_alignment.
15002 (force_const_mem): Create a block symbol if use_object_blocks_p and
15003 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
15004 (output_constant_pool_1): Add an explicit alignment argument.
15005 Don't switch sections here.
15006 (output_constant_pool): Adjust call to output_constant_pool_1.
15007 Switch sections here instead. Don't output anything for block symbols;
15008 just pass them to place_block_symbol.
15009 (init_varasm_once): Initialize object_block_htab.
15010 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
15011 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
15012 (place_block_symbol, get_section_anchor, output_object_block)
15013 (output_object_block_htab, output_object_blocks): New functions.
15014 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
15015 (TARGET_ASM_OUT): Include it.
15016 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
15017 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
15018 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
15019 (TARGET_INITIALIZER): Include them.
15020 * rtl.c (rtl_check_failed_block_symbol): New function.
15021 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
15022 (block_symbol, object_block): New structures.
15023 (rtx_def): Add a block_symbol field to the union.
15024 (BLOCK_SYMBOL_CHECK): New macro.
15025 (rtl_check_failed_block_symbol): Declare.
15026 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
15027 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
15028 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
15029 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
15030 * output.h (output_section_symbols): Declare.
15031 (object_block): Name structure.
15032 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
15033 (default_use_anchors_for_symbol_p): Declare.
15034 * Makefile.in (RTL_BASE_H): Add vec.h.
15035 (explow.o): Depend on output.h.
15036 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
15037 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
15038 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
15039 (rs6000_use_blocks_for_constant_p): New function.
15041 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15043 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
15045 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
15048 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
15051 2006-02-18 Diego Novillo <dnovillo@redhat.com>
15053 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
15057 2006-02-18 Jakub Jelinek <jakub@redhat.com>
15059 PR middle-end/26334
15060 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
15061 instead of DECL_REGISTER.
15063 2006-02-18 Olivier Hainque <hainque@adacore.com>
15066 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
15068 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
15071 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
15072 * opth-gen.awk: Handle Var and InverseMask together.
15073 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
15074 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
15075 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
15076 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
15078 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15079 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15080 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
15081 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15082 LINUX_DYNAMIC_LINKER): Define.
15083 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
15084 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
15086 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15087 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
15088 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15089 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15090 (TARGET_C99_FUNCTIONS): Don't define.
15091 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
15092 GLIBC_DYNAMIC_LINKER.
15093 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
15094 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
15095 GLIBC_DYNAMIC_LINKER64): Define.
15096 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15097 LINUX_DYNAMIC_LINKER64.
15098 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15099 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15100 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
15101 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15102 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15103 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15104 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
15105 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
15106 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
15107 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
15108 and LINUX_DYNAMIC_LINKER32.
15109 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15110 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15111 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
15112 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15113 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
15115 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
15116 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
15117 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15118 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15119 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15120 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
15121 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
15122 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
15123 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15124 LINUX_DYNAMIC_LINKER): Define.
15125 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
15126 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
15127 GLIBC_DYNAMIC_LINKER64): Define.
15128 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15129 LINUX_DYNAMIC_LINKER64.
15130 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15131 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15132 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
15133 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15134 LINUX_DYNAMIC_LINKER): Define.
15135 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15136 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15137 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
15138 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
15139 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
15140 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15141 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
15142 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
15143 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15144 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15145 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15146 * doc/invoke.texi (-muclibc): Remove caveat about supported
15149 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
15151 * doc/cpp.texi (__TIMESTAMP__): Document.
15153 2006-02-17 Roger Sayle <roger@eyesopen.com>
15155 PR middle-end/25600
15156 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
15157 C is one less than the width of X (and related transformations).
15158 * simplify-rtx.c (simplify_unary_operation_1): Transform
15159 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
15160 depending on STORE_FLAG_VALUE, were C is one less then the
15163 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
15165 Fix PR tree-optimization/26341
15166 * tree-ssa-operands.c (add_virtual_operand): Remove assert
15167 about NAME_MEMORY_TAG's.
15169 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15172 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
15173 with hardware float support, and software float support. Add fcpy
15174 alternative to hardware patterns. Add alternatives to copy between
15175 general and floating-point registers to the 32-bit pattern.
15176 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
15177 secondary reload to load a QI or HI mode constant into a floating
15179 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
15180 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
15182 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
15185 * config/rs6000/darwin.md (load_macho_picbase_si): Add
15187 (load_macho_picbase_di): Likewise.
15189 2006-02-16 Jeff Law <law@redhat.com>
15191 * tree-vrp.c (set_value_range_to_nonnegative): New function.
15192 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
15193 (ssa_name_nonzero_p): Likewise.
15194 (get_value_range): Return NULL if VRP is not running.
15195 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
15196 VRP routines do not discover a range.
15197 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
15198 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
15199 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
15200 (tree_expr_nonnegative_p): Similarly.
15201 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
15202 (restore_nonzero_vars_to_original_value): Remove.
15203 (unsafe_associative_fp_binop): Remove.
15204 (tree_ssa_dominator_optimize): Remove initialization and
15205 finalization of nonzero_vars and nonzero_vars_stack.
15206 (dom_opt_initialize_block): No longer push marker on
15207 nonzero_vars_stack.
15208 (dom_opt_finalize_block): No longer call
15209 restore_nonzero_vars_to_original_value.
15210 (record_equivalences_from_phis): No longer look for
15211 nonzero PHI arguments.
15212 (cprop_into_successor_phis): No longer propagate nonzero
15213 property into PHI arguments. Lose unused argument. Caller
15215 (record_equivalences_from_stmt): No longer record nonzero
15216 values for SSA_NAMEs.
15217 (lookup_avail_expr): No longer use nonzero_vars.
15219 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
15220 for sizetype when sizetype is unsigned.
15222 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
15224 PR rtl-optimization/25603
15225 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
15226 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
15227 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
15228 with new meaning of SETS.
15230 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
15235 * config/linux.opt: New file.
15236 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
15237 LINUX_DYNAMIC_LINKER): Define.
15238 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
15239 * config.gcc (*-*-linux*): Define extra_options.
15240 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
15241 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
15242 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
15243 GLIBC_DYNAMIC_LINKER.
15244 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
15245 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15246 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15247 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15248 * doc/invoke.texi (GNU/Linux Options): New section.
15250 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
15252 * config/sparc/sparc.md (setjmp): Rewrite.
15253 (setjmp_32): Delete.
15254 (setjmp_64): Likewise.
15256 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
15258 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
15261 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15263 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
15266 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15268 PR rtl-optimization/26296
15269 * Makefile.in (loop-invariant.c): Add except.h dependency.
15270 * loop-invariant.c: Include except.h.
15271 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
15273 2005-02-16 Paul Brook <paul@codesourcery.com>
15275 * reload1.c (emit_reload_insns): Invalidate dead input registers used
15278 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
15280 PR rtl-optimization/25636
15281 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
15282 when deciding whether an insn is an initializing insn.
15284 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
15286 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
15287 (tree_code_size): Ditto.
15288 * tree.h (struct tree_memory_tag): Remove parent_var.
15289 (struct tree_struct_field_tag): New.
15292 (union tree_node): Add sft member.
15293 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
15295 (create_sft): Add size and offset argument, set SFT_OFFSET and
15297 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
15298 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
15299 * tree-flow-inline.h (get_subvar_at): Update for
15300 SFT_OFFSET/SFT_SIZE.
15301 (var_can_have_subvars): Ditto.
15302 (overlap_subvar): Ditto.
15303 * print-tree.c (print_node): Print out interesting things for
15305 * tree-flow.h (struct subvar): Remove offset and size members.
15306 * tree-ssa-operands.c (get_expr_operands): Update for
15307 get_indirect_ref_operands changes.
15308 (get_indirect_ref_operands): Call add_virtual_operand instead of
15309 add_stmt_operand. Only recurse on base var if requested.
15310 (access_can_touch_variable): New function.
15311 (add_stmt_operand): Split virtual operand handling into ...
15312 (add_virtual_operand): Here. Add offset, size, and for_clobber
15313 arguments. Prune alias sets.
15314 (add_call_clobber_ops): Call add_virtual_operand.
15316 2006-02-15 Jakub Jelinek <jakub@redhat.com>
15318 PR middle-end/26300
15319 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
15321 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
15322 than TREE_CODE as index into omp_clause_num_ops array.
15324 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
15326 PR rtl-optimization/26184
15327 * modulo-sched.c (generate_reg_moves): Free bitmap vector
15329 * modulo-sched.c (sms_schedule): Free g_arr pointer.
15330 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
15331 must_precede, must_follow and tobe_scheduled.
15334 * opts.c (common_handle_option): Free new_option pointer.
15335 * df-core.c (df_analyze): Free postorder pointer.
15337 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
15339 * Makefile.in: Fix the examples about the use of stamps
15341 2006-02-15 Michael Matz <matz@suse.de>
15343 PR middle-end/22275
15345 * stor-layout.c (layout_decl): Zero-width bitfields aren't
15346 influenced by maximum_field_alignment or DECL_PACKED.
15347 (update_alignment_for_field): Ditto.
15348 (place_field): Ditto.
15349 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
15352 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
15354 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
15355 (debug_flow_info): Pass it.
15356 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
15357 * bb-reorder.c (reorder_basic_blocks): Likewise.
15358 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
15359 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
15360 * flow.c (life_analysis, recompute_reg_usage): Likewise.
15361 * gcse.c (gcse_main, bypass_jumps): Likewise.
15362 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
15363 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
15364 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
15365 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
15366 * rtl.h (dump_flow_info): Adjust prototype.
15367 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
15368 * var-tracking.c (variable_tracking_main): Likewise.
15369 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
15370 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
15373 2006-02-15 Marcin Dalecki <martin@dalecki.de>
15375 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
15378 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15380 PR tree-optimization/26209
15381 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
15382 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
15384 * tree-cfg.c (replace_uses_by): Do not alter cfg.
15386 2006-02-14 Roger Sayle <roger@eyesopen.com>
15388 PR middle-end/23670
15389 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
15390 (X,Y) and the corresponding symmetry related transformations.
15391 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
15392 (X,Y) and its symmetry related transformations.
15394 2006-02-14 Roger Sayle <roger@eyesopen.com>
15396 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
15399 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
15401 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
15403 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15406 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
15407 support COMDAT group.
15408 * configure: Regenerate.
15410 2006-02-14 Roger Sayle <roger@eyesopen.com>
15412 PR middle-end/26279
15413 PR middle-end/26280
15414 PR middle-end/26283
15415 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
15417 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
15419 Fix PR tree-optimization/26260
15421 * doc/invoke.texi (max-fields-for-field-sensitive): Document
15423 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
15424 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
15425 * tree-ssa-structalias.c (create_variable_info_for): Use
15426 MAX_FIELDS_FOR_FIELD_SENSITIVE.
15428 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15430 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
15432 * tree-ssa-loop-niter.c (number_of_iterations_ne,
15433 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
15434 of the ending condition.
15435 * tree-ssa-loop-manip.c: Include params.h.
15436 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
15437 tree_unroll_loop): New functions.
15438 * tree-pass.h (pass_loop_prefetch): Declare.
15439 * loop.c (rest_of_handle_loop_optimize): Test for
15440 -fprefetch-loop-arrays-rtl.
15441 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
15442 * timevar.def (TV_TREE_PREFETCH): New timevar.
15443 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
15444 pass_loop_prefetch): New.
15445 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
15446 (cleanup_tree_cfg_loop): Call scev_reset.
15447 * common.opt (fprefetch-loop-arrays-rtl): Add.
15448 * tree-ssa-loop-prefetch.c: New file.
15449 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
15450 (new_temp_expr_table): Initialize expr_vars.
15451 (free_temp_expr_table): Cleanup expr_vars.
15452 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
15453 expressions from being merged into one.
15454 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
15455 (struct tree_niter_desc): Add control, bound and cmp fields.
15456 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
15458 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
15459 (tree-cfgcleanup.o): Add SCEV_H dependency.
15460 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
15461 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
15463 2006-02-14 Richard Guenther <rguenther@suse.de>
15465 PR tree-optimization/26258
15466 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
15467 in PHI argument processing.
15469 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
15471 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
15472 new expression in the requested machine mode.
15474 2006-02-13 Roger Sayle <roger@eyesopen.com>
15476 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
15477 directly, instead let do_compare_rtx_and_jump handle this for us.
15478 * expr.c (expand_expr_real_1): Likewise.
15479 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
15480 before do_jump_by_parts_greater.
15481 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
15482 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
15484 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15486 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
15488 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15490 PR rtl-optimization/26235
15491 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
15492 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
15495 2006-02-13 Jeff Law <law@redhat.com>
15497 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
15500 2006-02-13 Jakub Jelinek <jakub@redhat.com>
15502 PR middle-end/26092
15503 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
15504 twice if decl is a builtin. When trying again, call get_callee_fndecl
15505 first to verify it is still a builtin.
15507 2006-02-13 Geoffrey Keating <geoffk@apple.com>
15509 * dwarf2out.c (base_type_die): Don't add AT_name here.
15510 (subrange_type_die): Don't add AT_name here.
15511 (modified_type_die): Rearrange code flow. Do add AT_name here.
15513 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15515 PR rtl-optimization/26247
15516 PR rtl-optimization/26248
15517 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
15519 2006-02-13 Richard Sandiford <richard@codesourcery.com>
15521 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
15522 * config/fixtfdi.c: Likewise.
15523 * config/fixunstfdi.c: Likewise.
15524 * config/floatditf.c: Likewise.
15526 2006-02-13 Roger Sayle <roger@eyesopen.com>
15528 PR middle-end/24427
15529 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
15530 into (X,C2) if C1 is a subset of the bits of C2. Transform
15531 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
15533 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
15535 2006-02-13 Josh Conner <jconner@apple.com>
15538 * varasm.c (function_section): Check for section name before
15539 calling select_section on targets that define
15540 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
15541 unlikely_text_section instead of hot_function_section if
15542 first_function_block_is_cold.
15544 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
15546 PR middle-end/25335
15547 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
15549 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15551 PR rtl-optimization/26222
15552 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
15553 after tree->rtl expansion.
15554 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
15555 before passing it to emit_move_insn.
15557 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
15559 * doc/invoke.texi (-Write-strings): Document that it is enabled by
15561 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
15562 Clarify documentation.
15563 * c-common.h (warn_write_strings): Remove.
15564 * c-common.c (warn_write_strings): Likewise.
15565 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
15568 2006-02-12 Roger Sayle <roger@eyesopen.com>
15570 PR middle-end/25724
15571 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
15572 (do_jump_parts_zero_rtx): New function renamed from
15573 do_jump_parts_equality_rtx. Made static. Add a mode argument.
15574 (do_jump_parts_equality_rtx): New function split out from
15575 do_jump_parts_equality. Old implementation renamed as above.
15576 Call do_jump_parts_zero_rtx if either operand is zero.
15577 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
15578 do all of the heavy lifting.
15579 (do_compare_rtx_and_jump): Handle multi-word comparisons by
15580 calling either do_jump_by_parts_greater_rtx or
15581 do_jump_by_parts_equality_rtx.
15582 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
15583 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
15584 moved to do_compare_rtx_and_jump, call it directly.
15585 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
15586 mode argument. Call do_compare_rtx_and_jump.
15587 (emit_case_nodes): Update calls to do_jump_if_equal.
15589 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15591 PR rtl-optimization/26225
15592 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
15594 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15596 PR rtl-optimization/26232
15597 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
15599 2006-02-11 Jason Merrill <jason@redhat.com>
15602 * tree-inline.c (declare_return_variable): Just don't use the
15603 modify target if it's a gimple complex reg and the return slot
15606 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15608 * doc/contrib.texi: Update my entry.
15610 2006-02-10 Geoffrey Keating <geoffk@apple.com>
15612 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
15614 2006-02-10 Diego Novillo <dnovillo@redhat.com>
15616 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
15619 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
15621 * doc/invoke.texi (-floop-optimize2): Removed.
15622 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
15623 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
15624 Test flag_branch_on_count_reg only if HAVE_doloop_end.
15625 * common.opt (floop-optimize2): Removed.
15626 (fmove-loop-invariants): Enabled by default.
15628 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
15630 * tree-if-conv.c (combine_blocks): Free the result of
15631 get_loop_exit_edges.
15633 2006-02-10 Jeff Law <law@redhat.com>
15635 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
15637 PR tree-optimization/26213
15638 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
15639 loop trying to follow SSA_NAME_VALUE chains.
15641 2006-02-10 Richard Guenther <rguenther@suse.de>
15643 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
15644 deal with structures that end in implicitly variable sized arrays.
15646 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15648 PR rtl-optimization/24762
15649 * df-scan.c (df_bb_refs_record): Record correct registers defined on
15652 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15654 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
15655 (struct ivopts_data): Add regs_used field.
15656 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
15657 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
15658 instead of loop_data->regs_used;
15659 (free_loop_data): Do not free aux fields for loops.
15660 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
15661 and tree_ssa_iv_optimize_finalize.
15663 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
15665 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
15667 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15670 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
15671 computing the effective result type.
15673 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15675 PR inline-asm/16194
15676 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
15677 (tree_overlaps_hard_reg_set): Declare.
15678 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
15679 type and signature to match function type expected by walk_tree.
15680 (tree_overlaps_hard_reg_set): New function.
15681 (decl_conflicts_with_clobbers_p): Rename to:
15682 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
15683 Use tree_overlaps_hard_reg_set. Changed caller.
15684 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
15685 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
15686 * cris.c (cris_md_asm_clobbers): Likewise.
15688 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
15690 * reload1.c (emit_input_reload_insns): Delete code that tries to
15691 inherit using find_equiv_reg.
15693 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
15695 * c-common.h (flag_const_strings): Don't declare.
15696 * c-common.c (flag_const_strings): Remove.
15697 * c.opt (fconst_strings): Remove.
15698 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
15699 <OPT_Wwrite_strings>: Don't set flag_const_strings.
15700 (c_common_init_options): Don't set flag_const_strings.
15701 * doc/invoke.texi (-fno-const-strings): Remove documentation.
15703 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
15705 * arm.md (tlobits_cbranch): New pattern.
15706 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
15707 testing a single bit.
15709 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15712 * tree-ssa-pre.c (create_component_ref_by_pieces):
15713 Handle RETURN_DECL like VAR_DECL.
15715 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15717 PR middle-end/26134
15718 * fold-const.c (fold_indirect_ref_1): Fold
15719 "*(foo *)&complexfoo" to "__real__ complexfoo"
15720 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
15722 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15724 * tree-flow-inline.h (var_can_have_subvars):
15725 Volatile variables should not have subvariables.
15727 2006-02-09 Diego Novillo <dnovillo@redhat.com>
15730 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
15731 multiplying unsigned values.
15734 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
15736 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
15738 2006-02-08 Jason Merrill <jason@redhat.com>
15741 * tree.def: Elaborate on difference from MODIFY_EXPR.
15742 * doc/c-tree.texi (INIT_EXPR): Likewise.
15743 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
15744 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
15745 (gimplify_target_expr): Likewise.
15746 (gimplify_cond_expr): Remove target handling.
15747 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
15748 (gimplify_expr): Clobber it here.
15749 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
15750 Do return slot optimization if we have an INIT_EXPR.
15753 * tree-inline.c (declare_return_variable): Also clear
15754 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
15757 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
15759 PR middle-end/22439
15760 * gimplify.c (gimplify_one_sizepos): Fix typo.
15762 2006-02-08 Jeff Law <law@redhat.com>
15764 PR tree-optimization/21417
15765 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
15766 across a backedge if the control statement at the end of the
15767 block is data dependent on other statements in the same block.
15768 (record_temporary_equivalences_from_stmts): Remove over-conservative
15769 test for threading across backedges.
15771 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
15772 control statement, handle all three special cases in the same
15773 manner as they all have the same desired solution. No longer
15774 special case edge flag updating when the post dominator is
15777 2006-02-08 Roger Sayle <roger@eyesopen.com>
15779 * tree.def (CHAR_TYPE): Remove.
15780 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
15781 * dwarf2out.c (base_type_die, is_base_type): Likewise.
15782 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
15783 (gen_string_type_die): Delete unreachable function.
15785 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
15786 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
15787 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
15788 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
15789 * builtins.c (type_to_class): Likewise.
15790 * fold-const.c (fold_convert, build_range_check,
15791 merge_ranges): Likewise.
15792 * expr.c (count_type_elements): Likewise.
15793 * c-pretty-print.c (pp_c_type_specifier): Likewise.
15794 * stor-layout.c (layout_type): Likewise.
15795 * ipa-type-escape.c (type_to_consider): Likewise.
15796 * gimplify.c (omp_firstprivatize_type_sizes,
15797 gimplify_type_sizes): Likewise.
15798 * explow.c (promote_mode): Likewise.
15799 * tree-sra.c (is_sra_scalar_type): Likewise.
15800 * varasm.c (output_constant): Likewise.
15801 * tree-inline.c (remap_type_1): Likewise.
15802 * convert.c (convert_to_pointer, convert_to_real,
15803 convert_to_integer, convert_to_complex): Likewise.
15805 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
15807 * df-scan.c (df_def_record_1): A set destination may
15808 be a parallel regardless of mode.
15810 2006-02-08 Roger Sayle <roger@eyesopen.com>
15813 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
15814 * config/mips/_tilib.c: Remove.
15815 * config/fixtfdi.c: New libgcc source file.
15816 * config/fixunstfdi.c: New source file.
15817 * config/floatditf.c: New source file.
15818 * config/floatunditf.c: New souce file.
15819 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
15820 files above instead of config/mips/_tilib.c.
15821 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
15823 2006-02-08 Jeff Law <law@redhat.com>
15825 PR tree-optimization/26169
15826 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
15829 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
15831 * df.h (DF_REG_SIZE): Return the length of the initialized
15834 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
15836 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
15837 __muldf3): Return a correctly signed zero.
15839 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
15841 * passes.c (register_one_dump_file): Accept the current properties
15842 instead of pass number. Adjust call to dump_register. Remove
15844 (register_dump_files): Now a wrapper around...
15845 (register_dump_files_1): ... this one. Do not modify the pass
15847 (next_pass_1): Cosmetic fix.
15848 (execute_todo): Keep second parameter only. Use curr_properties
15849 instead of fetching it from the pass structure. Check and set
15851 (execute_one_pass): Handle TODO_set_props. Use curr_properties
15852 instead of fetching it from the pass structure. Fix calls to
15853 execute_todo. Update curr_properties and initialize .vcg RTL dump
15854 after running the pass. Reset last_verified.
15855 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
15857 (FIRST_AUTO_NUMBERED_DUMP): New.
15858 (dump_register): Remove "num" parameter, assign it within the
15860 (get_dump_file_name): Modify template for dumps.
15861 * tree-dump.h (dump_register): Adjust prototype.
15862 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
15863 (PROP_trees): Add PROP_gimple_lomp.
15864 (TODO_set_props): New.
15865 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
15866 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
15867 * cfgexpand.c (pass_expand): Destroy PROP_trees.
15869 2006-02-08 Jakub Jelinek <jakub@redhat.com>
15871 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
15872 (sparc64-*-linux*): Likewise.
15873 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
15874 * config/sparc/t-linux: New file.
15875 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
15876 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
15877 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
15878 -m32 -mlong-double-128.
15880 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
15881 * config/alpha/t-linux: New file.
15882 * config/alpha/libgcc-alpha-ldbl.ver: New file.
15884 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
15885 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
15886 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
15887 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
15888 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
15889 (CPP_ARCH32_SPEC): Remove.
15891 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
15893 PR tree-optimization/26145
15894 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
15897 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15900 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
15901 >= 240000 when generating code for SOM runtime.
15902 (output_indirect_call): Don't use "b,l" instruction for indirect calls
15903 to $$dyncall when generating code for SOM runtime..
15905 2006-02-07 Dirk Mueller <dmueller@suse.com>
15908 * doc/invoke.texi (-Wsequence-point): Update documentation
15909 that -Wsequence-point is implemented for C++ as well.
15911 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15913 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
15914 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
15915 (LIB_SPEC): Likewise.
15916 * doc/invoke.texi (SPARC options): Document -pthread.
15918 2006-02-07 Geoffrey Keating <geoffk@apple.com>
15920 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
15923 2006-02-07 Roger Sayle <roger@eyesopen.com>
15925 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
15926 Correct comment describing BOOLEAN_TYPE.
15928 2006-02-07 Dirk Mueller <dmueller@suse.com>
15930 * c.opt: C++ frontend supports -Wdiv-by-zero.
15931 * c-opts.c (c_common_handle_option): Remove dead case.
15933 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15935 * configure.ac (TLS assembler check): Do not enable TLS by
15936 default on SPARC/Solaris before version 10.
15937 * configure: Regenerate.
15939 2006-02-07 David Edelsohn <edelsohn@gnu.org>
15941 * doc/invoke.texi (xl-compat): Document conversion and support
15944 2006-02-07 Jeff Law <law@redhat.com>
15946 * tree-vrp.c (find_conditional_asserts): Update comments.
15947 (simplify_stmt_for_jump_threading): New.
15948 (identify_jump_threads, finalize_jump_threads): New.
15949 (vrp_finalize): Call identify_jump_threads.
15950 (execute_vrp): Call finalize_jump_threads.
15951 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
15952 (vrp_element, vrp_data, vrp_element_p): Remove.
15953 (vrp_hash_elt, vrp_variables_stack): Remove.
15954 (vrp_hash, vrp_eq, record_range): Remove.
15955 (simplify_cond_and_lookup_avail_expr): Remove.
15956 (extract_range_from_cond): Remove.
15957 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
15958 (simplify_stmt_for_jump_threading): New.
15959 (dom_thread_across_edge): New wrapper.
15960 (tree_ssa_dominator_optimize): No longer initialize or
15961 finalize any of the VRP datastructures. Remove iteration
15962 step and simplify as a result of removal of iteration step.
15963 (pass_dominator): Perform a cfg cleanup after DOM.
15964 (dom_opt_finalize_block): Use the new common routines
15965 for threading jumps. Simplify stack management slightly.
15966 No longer need to unwind VRP state.
15967 (record_equivalences_from_incoming_edge): No longer record
15969 (eliminate_redundant_computations): No longer call
15970 simplify_cond_and_lookup_avail_expr.
15971 * tree-flow.h (potentially_threadable_block): Prototype.
15972 (thread_across_edge): Likewise.
15973 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
15974 (tree-ssa-threadedge.o): Add dependencies.
15975 * tree-ssa-threadedge.c: New file.
15976 * passes.c (init_optimization_passes): Merge PHIs before
15977 calling VRP. Run VRP again late in the SSA optimization pipeline.
15979 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15981 * df-core.c (df_set_blocks): Do not dereference function pointers.
15982 (df_finish1): Likewise.
15983 (df_hybrid_search_forward): Likewise.
15984 (df_hybrid_search_backward): Likewise.
15985 (df_iterative_dataflow): Likewise.
15986 (df_analyze_problem): Likewise.
15987 (df_compact_blocks): Likewise.
15988 (df_dump): Likewise.
15989 * df-scan.c (df_rescan_blocks): Likewise.
15990 (df_record_entry_block_defs): Likewise.
15992 * genconditions.c (write_conditions): Guard the definition of
15993 'insn_conditions' with the check on GCC version.
15994 (write_writer): Guard the traversal 'insn_conditions' with
15995 the check on GCC version.
15997 2006-02-07 Richard Guenther <rguenther@suse.de>
16001 2006-01-30 Richard Guenther <rguenther@suse.de>
16003 * gimplify.c (gimplify_target_expr): Handle easy cases
16004 without creating a temporary.
16006 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
16008 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
16009 use of float in probability computations. Use edge probabilities
16010 in place of statically computed probabilities.
16011 (min_spec_prob): New static variable.
16012 (schedule_insns): Initialize it.
16013 (GET_SRC_PROB): Removed.
16014 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
16016 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
16019 * config/ia64/unwind-ia64.c: Revert last change.
16020 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
16021 (INCOMING_FRAME_SP_OFFSET): Define.
16023 2006-02-06 Roger Sayle <roger@eyesopen.com>
16025 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
16027 2006-02-07 Ben Elliston <bje@au.ibm.com>
16029 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
16030 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
16031 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
16032 (ix86_return_in_memory): Handle TDmode.
16033 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
16034 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
16036 2006-02-06 Richard Sandiford <richard@codesourcery.com>
16038 * reorg.c (dbr_schedule): Use dump_file instead of file.
16040 2006-02-06 Steve Ellcey <sje@cup.hp.com>
16043 * config/ia64/predicates.md (extr_len_operand): New predicate.
16044 * config/ia64/ia64.md (extv): Tighten constraints.
16046 (*tbit_and_2): Ditto.
16047 (*tbit_and_3): Ditto.
16048 (*tbit_or_2): Ditto.
16049 (*tbit_or_3): Ditto.
16050 (*bit_zero): Ditto.
16053 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
16056 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
16058 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
16060 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
16061 loop_optimizer_init and loop_optimizer_finalize
16062 * tree-ssa-sink.c (execute_sink_code): Ditto.
16063 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
16064 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
16065 tree_ssa_loop_done): Ditto.
16066 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
16067 * sched-ebb.c: Include output.h.
16068 (schedule_ebbs): Do not use dump argument.
16069 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
16070 * loop.c (loop_dump_stream): Removed.
16071 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
16073 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
16074 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
16075 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
16076 loop_iterations, strength_reduce, record_biv, record_giv,
16077 final_giv_value, check_final_value, check_ext_dependent_givs,
16078 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
16079 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
16080 dump_file instead of loop_dump_stream.
16081 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
16082 argument dump_file.
16083 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
16085 * flow.c (life_analysis, rest_of_handle_life): Ditto.
16086 * haifa-sched.c: Include output.h
16087 (schedule_insns, sched_init): Do not use dump argument.
16088 * mode-switching.c (optimize_mode_switching): Ditto.
16089 * modulo-sched.c (stats_file): Removed.
16090 (print_node_sched_params): Do not call argument dump_file.
16091 (sms_schedule_by_order, loop_canon_p, sms_schedule,
16092 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
16094 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
16096 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
16097 rtl_loop_init, rtl_loop_done): Ditto.
16098 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
16099 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
16101 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
16102 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
16103 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
16104 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
16105 * emit-rtl.c (renumber_insns): Ditto.
16106 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
16107 expand_gimple_basic_block, tree_expand_cfg): Ditto.
16108 * regclass.c (regclass): Ditto.
16109 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
16110 remove_ssa_form, rewrite_out_of_ssa): Ditto.
16111 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
16112 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
16114 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
16115 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
16117 * gcse.c (gcse_file, debug_stderr): Removed.
16118 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
16119 rest_of_handle_gcse): Do not use dump argument.
16120 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
16121 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
16122 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
16123 compute_code_hoist_vbeinout, compute_code_hoist_data,
16124 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
16125 compute_store_table, build_store_vectors, insert_insn_start_bb,
16126 insert_store, remove_reachable_equiv_notes, replace_store_insn,
16127 store_motion): Use dump_file instead of gcse_file.
16128 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
16129 * profile.c (profile_dump_file): Removed.
16130 (branch_prob): Use dump_file instead of profile_dump_file.
16131 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
16133 * tree-ssa-copy.c (dump_copy_of): Ditto.
16134 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
16135 dump file to life_analysis.
16136 * bt-load.c (branch_target_load_optimize): Ditto.
16137 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
16139 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
16140 regclass, dbr_schedule): Declaration changed.
16141 * sched-int.h (sched_init): Declaration changed.
16142 * tree-profile.c (tree_profile_dump_file): Removed.
16143 (tree_profile_hooks): Removed profile_dump_file hook.
16144 * rtl-profile (rtl_profile_dump_file): Removed.
16145 (rtl_profile_hooks): emoved profile_dump_file hook.
16146 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
16148 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
16149 * tree-cfg.c (build_tree_cfg): Ditto.
16150 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
16151 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
16152 Declaration changed.
16153 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
16154 life_analysis and schedule_insns.
16155 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
16157 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
16159 * config/mips/mips.c (mips_reorg): Ditto.
16160 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
16163 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
16165 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16166 (s390_mangle_fundamental_type): New.
16167 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16170 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16171 (alpha_mangle_fundamental_type): New.
16172 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16175 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16177 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16179 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16180 (sparc_mangle_fundamental_type): New.
16182 2006-02-06 Jakub Jelinek <jakub@redhat.com>
16184 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
16185 (s390x-*-linux*): Likewise.
16186 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
16187 * config/s390/t-linux: New file.
16189 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16191 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
16192 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
16194 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
16196 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
16197 (ANTIC_SAFE_LOADS): New macro.
16198 (find_or_generate_expression): Add prototype.
16199 (set_contains_value): Allow null set for sake of not always having
16200 to allocate ANTIC_SAFE_LOADS.
16201 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
16202 Allow COMPONENT_REF too.
16203 (valid_in_set): Allow COMPONENT_REF.
16204 Check ANTIC_SAFE_LOADS too.
16205 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
16206 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
16208 (can_PRE_operation): Add COMPONENT_REF.
16209 (create_component_ref_by_pieces): New function.
16210 (create_expression_by_pieces): Use create_component_ref_by_pieces.
16211 (insert_aux): Move AGGREGATE_TYPE_P check here.
16212 (compute_avail): Set bb local stmt uids.
16213 (pass_pre): Use TODO_update_ssa_only_virtuals.
16215 2006-02-06 Ben Elliston <bje@au.ibm.com>
16217 * configure.ac: Unconditionally disable decimal float by default.
16218 * configure: Regenerate.
16220 2006-02-06 Ben Elliston <bje@au.ibm.com>
16222 * read-rtl.c (read_name): Terminate reading on EOF.
16224 2006-02-06 Ben Elliston <bje@au.ibm.com>
16226 * dfp.c (decimal_real_arithmetic): Change second argument type
16227 from int to enum tree_code. Do not always return true, but now
16228 return result of any call to decimal_do helper functions.
16229 * dfp.h (decimal_real_arithmetic): Update prototype.
16231 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
16233 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
16235 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
16238 * tree-cfg.c (cleanup_dead_labels): Also don't remove
16241 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16243 * tree-vrp.c (cfg_loops): Removed.
16244 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
16245 Use current_loops instead of cfg_loops. Pass flags to
16246 loop_optimizer_init.
16247 * cfgloopmanip.c (fix_loop_structure): Update only available
16249 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
16250 loop_optimizer_init.
16251 * modulo-sched.c (build_loops_structure): Removed.
16252 (sms_schedule): Use loop_optimizer_init.
16253 * loop-init.c (loop_optimizer_init): Use flags to determine
16254 which properties of loops to prepare.
16255 (rtl_loop_init): Pass flags to loop_optimizer_init.
16256 * tree-ssa-sink.c (execute_sink_code): Ditto.
16257 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
16258 * tree-ssa-pre.c (init_pre): Ditto.
16259 * cfgloop.h (LOOPS_NORMAL): New.
16260 (loop_optimizer_init): Declaration changed.
16262 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16264 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
16265 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
16267 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
16269 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
16271 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
16272 * pa/t-pa64: Delete quadlib.c rule.
16273 * pa/x-ada: Revert last change.
16274 * pa/t-pa: Revert last change. Delete quadlib.c rule.
16276 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16278 PR rtl-optimization/26087
16279 * rtlanal.c (canonicalize_condition): Do not cross basic block
16282 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
16285 * config/ia64/ia64.c: Include debug.h.
16286 (MAX_ARTIFICIAL_LABEL_BYTES): New.
16287 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
16288 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
16289 (process_epilogue, process_set, process_for_unwind_directive):
16290 Output unwind info only if requested. Add CFA info if requested.
16291 Add new arguments as needed. Adjust callers.
16292 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
16294 (DWARF2_FRAME_INFO): Define to zero.
16295 * config/ia64/unwind-ia64.c: Remove code that compensated for
16296 the CFA offset error fixed above.
16297 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
16298 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
16299 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
16300 -funwind-tables and -fexceptions to enable frame info.
16301 (dwarf2out_frame_init): Define initial CFA even if
16302 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
16303 DWARF2_UNWIND_INFO is nonzero, not just defined.
16304 (dwarf2out_frame_finish): Output non-EH call frame info only
16305 if DWARF2_FRAME_INFO is nonzero.
16306 (convert_cfa_to_loc_list,
16307 compute_frame_pointer_to_cfa_displacement): Define even if
16308 unwind info is not supported.
16309 (gen_subprogram_die): Use the above unconditionally. Remove
16310 legacy alternate code.
16311 * toplev.c (compile_file): Compile in call to
16312 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
16313 (lang_dependent_init): Ditto for dwarf2out_frame_init.
16315 2006-02-04 David Edelsohn <edelsohn@gnu.org>
16316 Jakub Jelinek <jakub@redhat.com>
16318 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
16319 IBM extended float format long double as "g" on powerpc*-linux.
16321 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16324 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
16325 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
16327 2006-02-03 Jason Merrill <jason@redhat.com>
16330 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
16332 PR middle-end/25977
16333 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
16334 on the return slot if it's an NRV.
16336 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
16338 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
16339 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
16340 rewrite_use): Do not handle USE_OUTER.
16341 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
16342 add_iv_outer_candidates, may_replace_final_value,
16343 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
16344 (find_interesting_uses_op): Functionality of
16345 find_interesting_uses_outer_or_nonlin moved here.
16346 (find_interesting_uses_outside): Use find_interesting_uses_op.
16348 2006-02-03 Alan Modra <amodra@bigpond.net.au>
16351 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
16353 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
16354 Ulrich Weigand <uweigand@de.ibm.com>
16357 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
16358 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
16359 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
16360 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
16362 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
16363 (s390_rtx_costs): Use the new fields to calculate rtx costs.
16364 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
16365 Define secondary reloads for TFmode moves.
16366 (constant_modes): Add TFmode.
16367 (NR_C_MODES): Set to 8.
16368 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
16370 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
16371 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
16372 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
16373 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
16374 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
16375 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
16376 (FPR mode macro): Add TFmode.
16377 (DSF mode macro): New.
16378 (<de>, <dee> mode attributes): Removed.
16379 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
16380 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
16381 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
16382 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
16383 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
16384 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
16385 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
16386 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
16387 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
16388 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
16389 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
16390 "*negabs<mode>2", "sqrt<mode>2"):
16391 Changed <de> to <xde>. R constraint replaced by <Rf>.
16392 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
16394 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
16395 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
16396 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
16398 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
16399 "extenddftf2", "extendsftf2"): New expanders.
16400 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
16401 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
16402 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
16403 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
16405 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
16406 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
16407 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
16408 __floatditf): Add a GCC_4.1.0 symbol version tag.
16409 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
16412 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
16415 * config/i386/i386.c (ix86_function_ok_for_sibcall):
16416 Use targetm.binds_local_p instead of TREE_PUBLIC.
16418 2006-02-02 Roger Sayle <roger@eyesopen.com>
16420 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
16421 on INTEGER_TYPEs to indicate that it denotes a character type.
16422 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
16423 signed_char_type_node, unsigned_char_type_node and char_type_node.
16424 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
16425 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
16426 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
16428 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
16429 Daniel Berlin <dberlin@dberlin.org>
16431 * tree-tailcall.c (arg_needs_copy_p): New function.
16432 (eliminate_tail_call): Use arg_needs_copy_p.
16433 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
16434 (add_virtual_phis): New function.
16436 2006-02-02 Jakub Jelinek <jakub@redhat.com>
16438 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
16439 #ignore instead of #scratch for %g7 .register directive.
16441 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
16443 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
16446 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16448 * flow.c (calculate_global_regs_live): Assert that there aren't any
16451 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
16453 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
16454 what its name says.
16455 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
16456 bsi_after_labels iterator.
16457 * tree-if-conv.c (find_phi_replacement_condition,
16458 replace_phi_with_cond_modify_expr): Likewise.
16459 * tree-scalar-evolution.c (scev_const_prop): Likewise.
16460 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
16462 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16464 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
16466 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16469 * tree-cfg.c (move_block_to_fn): Clear out the basic block
16470 array after growing it.
16472 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16474 PR middle-end/24901
16475 * fold-const.c (fold_checksum_tree): Change type of buf.
16477 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
16479 * reload.c (push_secondary_reload): Initialize t_icode.
16481 2006-02-01 Jakub Jelinek <jakub@redhat.com>
16483 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
16484 -msoft-float -mlong-double-128 only issue a warning, but don't
16485 swich to DFmode long double.
16487 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
16489 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
16490 has a constant equivalent, iterate over equivalents for arg0,
16491 calling simplify_relational_operation and if there's a result
16492 cheaper than X, apply fold_rtx and return the result.
16494 2006-02-01 Jan Hubicka <jh@suse.cz>
16496 * opts.c (no_unit_at_a_time_default): New global variable.
16497 (decode_options): Use it.
16498 * opts.h (no_unit_at_a_time_default): Declare.
16500 2006-02-01 Paul Brook <paul@codesourcery.com>
16502 * function.c (assign_parm_setup_reg): Use function argument promotion
16504 * expr.c (expand_expr_real_1): Use function argument promotion rules
16507 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16509 * gcc.c (process_command): Change j to 'unsigned int'.
16511 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16513 PR middle-end/26001
16514 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
16515 Use the corrected index for the character
16516 out of the string constant.
16518 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16520 * mode-switching.c (optimize_mode_switching): Fix size
16521 allocated for bb_info[n_entities].
16523 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16525 * gcc.c (main): Correct type that is allocated for
16526 explicit_link_files.
16528 2006-01-31 Jakub Jelinek <jakub@redhat.com>
16530 * config/s390/s390.c (init_alignment_context): Set
16531 ALIAS_SET_MEMORY_BARRIER on the MEM.
16532 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
16534 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
16536 PR middle-end/25933
16537 * loop-unroll.c (unroll_loop_runtime_iterations): Free
16539 * tree-ssa-live.c (type_var_init): Allocate bitmap after
16542 2006-01-31 Marcin Dalecki <martin@dalecki.de>
16544 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
16545 * regrename.c: Ditto.
16546 * tree-ssa-loop-im.c: Ditto.
16547 * tree-dump.c: Ditto.
16548 * tree-complex.c: Ditto.
16549 * genrecog.c: Ditto.
16550 * tree-ssa-threadupdate.c: Ditto.
16552 * java/class.c: Ditto.
16553 * java/jcf-parse.c: Ditto.
16554 * java/resource.c: Ditto.
16555 * java/except.c: Ditto.
16556 * java/jvspec.c: Ditto.
16557 * java/jcf-write.c: Ditto.
16558 * java/jcf-path.c: Ditto.
16559 * java/gjavah.c: Ditto.
16560 * java/zextract.c: Ditto.
16561 * java/jcf-io.c: Ditto.
16562 * java/jcf.h: Ditto.
16563 * java/buffer.c: Ditto.
16564 * java/lang.c: Ditto.
16565 * java/parse-scan.y: Ditto.
16566 * java/lex.c: Ditto.
16567 * java/lex.h: Ditto.
16568 * cfgloopmanip.c: Ditto.
16569 * postreload-gcse.c: Ditto.
16570 * tree-ssa-loop-manip.c: Ditto.
16571 * postreload.c: Ditto.
16572 * tree-ssa-loop-ch.c: Ditto.
16575 * cppspec.c: Ditto.
16576 * diagnostic.c: Ditto.
16578 * genoutput.c: Ditto.
16580 * cfghooks.c: Ditto.
16581 * cfgloopanal.c: Ditto.
16582 * objc/objc-act.c: Ditto.
16584 * genextract.c: Ditto.
16585 * genautomata.c: Ditto.
16586 * pretty-print.c: Ditto.
16587 * genemit.c: Ditto.
16588 * cgraphunit.c: Ditto.
16590 * df-scan.c: Ditto.
16591 * haifa-sched.c: Ditto.
16592 * dominance.c: Ditto.
16594 * tree-ssa-loop-ivopts.c: Ditto.
16595 * df-core.c: Ditto.
16596 * mode-switching.c: Ditto.
16597 * modulo-sched.c: Ditto.
16599 * ipa-pure-const.c: Ditto.
16601 * fix-header.c: Ditto.
16603 * tree-stdarg.c: Ditto.
16604 * ipa-utils.c: Ditto.
16605 * loop-init.c: Ditto.
16606 * ipa-inline.c: Ditto.
16607 * cfganal.c: Ditto.
16609 * alloc-pool.c: Ditto.
16610 * dwarf2out.c: Ditto.
16612 * genattrtab.c: Ditto.
16613 * tree-ssa-loop-ivcanon.c: Ditto.
16614 * predict.c: Ditto.
16615 * timevar.c: Ditto.
16617 * fortran/gfortranspec.c: Ditto.
16618 * regmove.c: Ditto.
16619 * local-alloc.c: Ditto.
16620 * langhooks.c: Ditto.
16621 * function.c: Ditto.
16622 * tree-vectorizer.c: Ditto.
16624 * ipa-type-escape.c: Ditto.
16626 * tree-if-conv.c: Ditto.
16627 * profile.c: Ditto.
16629 * tree-data-ref.c: Ditto.
16630 * loop-unroll.c: Ditto.
16631 * treelang/treetree.c: Ditto.
16633 * bt-load.c: Ditto.
16634 * ggc-common.c: Ditto.
16636 * coverage.c: Ditto.
16638 * tree-cfgcleanup.c: Ditto.
16639 * tree-ssa-pre.c: Ditto.
16640 * cfgcleanup.c: Ditto.
16641 * loop-invariant.c: Ditto.
16642 * loop-iv.c: Ditto.
16643 * ipa-prop.c: Ditto.
16644 * print-tree.c: Ditto.
16645 * conflict.c: Ditto.
16646 * ggc-page.c: Ditto.
16647 * sched-deps.c: Ditto.
16648 * regclass.c: Ditto.
16649 * tree-object-size.c: Ditto.
16650 * combine.c: Ditto.
16651 * bb-reorder.c: Ditto.
16652 * resource.c: Ditto.
16653 * var-tracking.c: Ditto.
16654 * cfgloop.c: Ditto.
16655 * df-problems.c: Ditto.
16656 * reg-stack.c: Ditto.
16658 * gccspec.c: Ditto.
16659 * sched-rgn.c: Ditto.
16660 * tree-ssa-structalias.c: Ditto.
16661 * tree-ssa-reassoc.c: Ditto.
16662 * config/darwin-c.c: Ditto.
16663 * config/darwin.c: Ditto.
16664 * config/arm/arm.c: Ditto.
16666 * collect2.c: Ditto.
16667 * reload1.c: Ditto.
16669 2006-01-31 Nicolas Pitre <nico@cam.org>
16671 * arm.md (smaxsi3): Make aware of smax_m1.
16674 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
16676 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
16678 2006-01-31 Richard Guenther <rguenther@suse.de>
16680 * doc/invoke.texi (-msselibm): Document.
16681 * target.h (expand_library_builtin): New target hook.
16682 * builtins.c (expand_builtin): Use expand_library_builtin.
16683 (default_expand_library_builtin): New function.
16684 * gcc.c (LINK_GCC_MATH_SPEC): Define.
16685 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
16686 (link_gcc_math_spec): Declare.
16687 (static_specs): Add link_gcc_math_spec.
16688 * expr.h (default_expand_library_builtin): Declare.
16689 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16690 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
16691 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
16692 * config/i386/i386.opt (msselibm): New target option.
16693 * config/i386/i386.c (ix86_builtin_function_variants): New array.
16694 (ix86_init_sse_abi_builtins): New function.
16695 (ix86_expand_library_builtin): Likewise.
16696 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16697 (override_options): Handle error conditions wrt -msselibm.
16698 (ix86_builtins): Add function codes for SSE2 ABI builtins.
16699 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
16700 * doc/extend.texi (__builtin_sse2_*): Document new target specific
16703 2006-01-31 Richard Guenther <rguenther@suse.de>
16704 Paolo Bonzini <bonzini@gnu.org>
16706 * doc/install.texi (--disable-libgcc-math): Document.
16708 2006-01-30 Marcin Dalecki <martin@dalecki.de>
16710 * expr.h (expand_normal): new inline function.
16711 * builtins.c: use it, use EXPAND_NORMAL explicitely.
16712 * dojump.c: use it.
16713 * dwarf2out.c: use it.
16716 * expmed.c: use it.
16717 * except.c: use it.
16718 * config/sparc/sparc.c: use it.
16719 * config/i386/i386.c: use it.
16720 * config/rs6000/rs6000.c: use it.
16721 * config/arm/arm.c: use it.
16722 * config/mips/mips.c: use it.
16723 * stmt.c: use it, use EXPAND_NORMAL explicitely.
16725 2006-01-30 Roger Sayle <roger@eyesopen.com>
16727 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
16728 argv to the appropriate type.
16730 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
16732 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
16735 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
16738 * config/s390/s390.c (struct machine_function): New flag
16739 decomposed_literal_pool_addresses_ok_p.
16740 (s390_reorg): Set it before final stage of literal pool transforms.
16741 (s390_decompose_address): Only accept displacements of the form
16742 (minus (label_ref ...) (label_ref ...)) if that flag is set.
16744 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
16746 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
16747 the comparison routine return.
16749 2006-01-30 Michael Matz <matz@suse.de>
16751 * global.c (find_reg): Only evict for global regs.
16752 Take n_refs into account and dump more info.
16754 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
16757 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
16758 (pragma_trap, pragma_nosave_low_regs): Likewise.
16759 (current_function_anonymous_args): Likewise.
16760 (sh_deferred_function_attributes): New variable.
16761 (sh_deferred_function_attributes_tail): Likewise.
16762 (print_operand): For '@', look up trap_exit attribute.
16763 (calc_live_regs): Look up trapa_handler attribute. For trapa
16764 handlers, save/restore fpscr, but don't do any other
16765 interrupt-specific saves.
16766 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
16767 Fix check for partially saved registers to check for SHmedia.
16768 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
16769 (sh_output_function_epilogue): Don't clear any of the removed
16771 (sh_insert_attributes): Don't check pragma_interrupt.
16772 Insert deferred attributes. Check that interrupt attribute is
16773 present for other attributes that require its presence.
16774 (sh_attribute_table): Add new attributes trapa_handler and
16776 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
16777 Don't check for pragma_interrupt. Don't store argument.
16778 * sh.h (pragma_interrupt, sp_switch): Don't declare.
16779 (sh_deferred_function_attributes): Declare.
16780 (sh_deferred_function_attributes_tail): Likewise.
16781 * sh.md (sp_switch_1): Add operand. Change generator caller.
16782 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
16783 (*return_i): Don't use when trap_exit attribute is in effect.
16784 (*return_trapa): New insn pattern.
16785 * sh-c.c: New file.
16786 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
16787 setting c_target_objs and cxx_target_objs.
16788 * t-sh: Add rule for sh-c.o.
16790 2006-01-30 Richard Guenther <rguenther@suse.de>
16793 * gimplify.c (gimplify_target_expr): Handle easy cases
16794 without creating a temporary.
16796 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
16798 * vec.h (safe_grow): Remove duplicated line.
16800 2006-01-29 Diego Novillo <dnovillo@redhat.com>
16803 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
16804 (expand_omp): ... here.
16805 (expand_omp_parallel): Only remove barriers for combined
16806 parallel+workshare constructs.
16808 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
16812 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
16813 * tree.c (build_qualified_type): Chain the new type to the original
16814 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
16815 a POINTER_TYPE or a REFERENCE_TYPE respectively.
16816 (build_pointer_type_for_mode): Only return unqualified types.
16817 (build_reference_type_for_mode): Likewise.
16819 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
16821 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
16822 * Makefile.in (CXX_COMPAT_WARN): Define.
16823 * configure: Regenerate.
16825 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
16828 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
16831 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16833 * toplev.c: Fix thinko.
16835 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16836 Marcin Dalecki <martin@dalecki.de>
16838 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
16839 (push_srcloc): Use XNEW.
16840 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
16842 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
16844 * df-core.c (df_set_blocks): Deleted all variable.
16846 2006-01-28 Ian Lance Taylor <ian@airs.com>
16848 * cgraphunit.c (cgraph_assemble_pending_functions): Call
16849 cgraph_output_pending_asms.
16851 2006-01-28 Zack Weinberg <zackw@panix.com>
16853 * c.opt: Add -W(no-)overlength-strings.
16854 * doc/invoke.texi: Document it.
16855 * c-opts.c (c_common_handle_option): -pedantic implies
16856 -Woverlength-strings, if not explicitly disabled already.
16857 (c_common_post_options): -Woverlength-strings defaults to off, and
16858 is always off for C++.
16859 * c-common.c (fix_string_type): Issue warning about strings longer
16860 than is portable only if warn_overlength_strings. Rearrange code
16861 a little for clarity.
16862 * configure.in: Check for -Wno-overlength-strings as well before
16863 enabling -pedantic in stage 1.
16864 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
16865 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
16867 * genconditions.c (write_header, write_one_condition)
16868 (write_conditions, write_writer): Consolidate very long strings
16869 that were broken up to fit in C89 portable limit. Don't use
16870 printf when fputs will do.
16872 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
16874 * combine.c (simplify_comparison <AND>): Check
16875 TRULY_NOOP_TRUNCATION before start using a subreg.
16877 * config/mips/mips.md (*branch_zero<mode>,
16878 *branch_zero<mode>_inverted, *branch_equality<mode>,
16879 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
16880 Remove mode check from comparisons.
16882 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
16884 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
16886 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16888 * expmed.c (const_mult_add_overflow_p): Remove.
16889 * expr.h: Remove the prototype for const_mult_add_overflow_p.
16891 * recog.c (validate_replace_rtx_subexp): Remove.
16892 * recog.h: Remove the prototype for
16893 validate_replace_rtx_subexp.
16895 * integrate.h: Remove the prototype for
16896 copy_decl_for_inlining.
16897 * rtl.h: Remove the prototype for mark_constant_function.
16898 * tree-vectorizer.h: Remove the prototype for
16899 vect_strip_conversion.
16901 * modulo-sched.c (create_partial_schedule,
16902 free_partial_schedule, reset_partial_schedule): Make them
16905 * hooks.c (hook_bool_rtx_int_false): Remove.
16906 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
16908 2006-01-28 David Edelsohn <edelsohn@gnu.org>
16910 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16911 and -mlong-double-128 are incompatible.
16912 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
16913 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
16914 (TARGET_LIBGCC2_CFLAGS): Define.
16915 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
16916 (TARGET_LIBGCC2_CFLAGS): Same.
16917 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
16919 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16922 * c-typeck.c (build_binary_op): Perform implicit casts of
16923 operands before shortening them.
16925 * cfgloopmanip.c (split_loop_bb): Remove.
16926 * cfgloop.h: Remove the prototype for split_loop_bb.
16928 * cfgloop.c (flow_loop_outside_edge_p): Remove.
16929 * cfgloop.h: Remove the prototype for
16930 flow_loop_outside_edge_p.
16932 * emit-rtl.c (init_virtual_regs): Make it static.
16933 * function.h: Remove the prototype for init_virtual_regs.
16935 * recog.c (peephole2_optimize): Make it static.
16936 * recog.h: Remove the prototype for peephole2_optimize.
16938 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16940 * df-scan.c (df_record_entry_block_defs): Check if
16941 INCOMING_RETURN_ADDR_RTX is defined.
16943 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
16944 Kenneth Zadeck <zadeck@naturalbridge.com>
16946 PR rtl-optimization/24762
16947 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16948 * targhooks.c (hook_void_bitmap): New hook prototype.
16949 * targhoohs.h (hook_void_bitmap): Ditto.
16950 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
16951 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
16952 * target.h (live_on_entry): New function pointer.
16953 * df-scan.c (df_all_hard_regs): Removed.
16954 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
16955 (df_scan_free_internal): Added df->entry_block_defs.
16956 (df_scan_alloc): Ditto.
16957 (df_scan_dump): Ditto.
16958 (df_uses_record): Plumbed flag field properly thru calls.
16959 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
16960 This part fixes PR24762.
16961 (df_bb_refs_record): Added code to make the frame and arg
16962 pointers live in EH blocks.
16963 (df_refs_record): Added call to df_record_entry_block_defs.
16964 (df_record_entry_block_defs): New function.
16965 * df-core.c: Added comments to describe new artifical defs.
16966 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
16967 (entry_block_defs): New field in struct df.
16968 (df_all_hard_regs): Deleted.
16969 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16970 * df-problems.c (df_ru_bb_local_compute_process_def):
16971 Added code to handle artifical defs in the entry to a function.
16972 (df_ru_bb_local_compute): Ditto.
16973 (df_rd_bb_local_compute_process_def): Ditto.
16974 (df_rd_bb_local_compute): Ditto.
16975 (df_lr_bb_local_compute): Ditto.
16976 (df_ur_bb_local_compute): Ditto.
16977 (df_urec_bb_local_compute): Ditto.
16978 (df_chain_create_bb): Ditto.
16979 (df_ur_local_finalize): Removed entry.
16980 (df_urec_init): Ditto.
16981 (df_urec_local_finalize): Ditto.
16982 (df_ri_bb_compute): Added detection of last use of pseudos.
16983 * Makefile.in (df-scan.o): Updated dependencies.
16984 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
16985 * config/mips/mips.c (mips_set_live_on_entry): Added.
16986 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
16988 * dce.c (marked_insn_p): Added code to handle artifical defs.
16990 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16992 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
16994 (_mm_cvtsi128_si64): Likewise.
16995 (_mm_cvtsd_si64): Likewise.
16996 (_mm_cvttsd_si64): Likewise.
16997 (_mm_cvtsi64_sd): Likewise.
16998 (_mm_cvtsi64_si128): Likewise.
16999 * config/i386/mmintrin.h (_m_from_int64): Likewise.
17000 (_mm_cvtsi64_m64): Likewise.
17001 (_m_to_int64): Likewise.
17002 (_mm_cvtm64_si64): Likewise.
17003 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
17004 (_mm_cvttss_si64): Likewise.
17005 (_mm_cvtsi64_ss): Likewise.
17006 (_mm_cvtss_f32): Likewise.
17008 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
17010 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
17011 for pragma redefine_extname.
17013 2006-01-27 Jakub Jelinek <jakub@redhat.com>
17016 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
17017 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
17018 -mno-minimal-toc to previous content.
17019 (bispecs): Remove goal.
17020 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
17021 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
17022 compatibility aliases on powerpc-*-*gnu*.
17023 * config/rs6000/libgcc-ppc-glibc.ver: New file.
17024 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
17025 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
17026 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
17027 (ldblspecs): New goal.
17028 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
17029 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
17031 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
17032 L_sf_to_tf or L_df_to_tf is defined.
17034 2006-01-27 David Edelsohn <edelsohn@gnu.org>
17035 Alan Modra <amodra@bigpond.net.au>
17038 * config/rs6000/linux.h (POWERPC_LINUX): Define.
17039 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
17040 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
17041 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
17042 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
17043 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
17044 (rs6000_override_options): Initialize rs6000_ieeequad.
17045 Initialize TFmode format to ibm_extended_format if not
17047 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
17049 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
17050 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
17051 (function_arg_advance): IBM long double passed in two FPRs, not
17053 (function_arg): IBM long double passed in FPRs.
17054 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
17055 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
17056 Only multireg GPR aligned.
17057 (rs6000_init_libfuncs): Enable IBM long double functions if not
17059 (rs6000_generate_compare): Use IBM long double compare if not
17061 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
17062 (TARGET_IEEEQUAD): Define.
17063 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
17064 not TARGET_IEEEQUAD.
17065 * config/rs6000/rs6000.md: Enable TFmode patterns if
17067 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
17068 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
17069 and -mlong-double-128 are incompatible.
17070 * doc/invoke.texi (-mabi): Collect options together. Add
17071 ibmlongdouble and ieeelongdouble.
17073 2006-01-27 Richard Sandiford <richard@codesourcery.com>
17075 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
17077 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
17078 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
17079 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
17080 * rtl.h (rtunion_def): Remove rt_ptr.
17082 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
17083 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
17084 * config/i386/winnt.c (i386_pe_mark_dllexport)
17085 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
17087 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
17089 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
17091 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17095 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
17096 pthread_key_delete. From John David Anglin. gthrw-ify
17097 pthread_getunique_np only if it it's not a macro. Delete
17099 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
17100 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
17101 __gthread_objc_condition_signal, __gthread_key_delete): Add
17102 "__attribute__ ((__unused__))" to unused arguments.
17103 (__gthread_recursive_mutex_init_function): Add missing return.
17104 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
17105 gthr-posix95.h: Use macro-based approach for name redirection
17106 on targets missing weakref.
17108 2006-01-26 Zack Weinberg <zackw@panix.com>
17110 * genconditions.c (write_header): In generated code, #ifdef out
17111 all includes and fake declarations, except includes of bconfig.h
17112 and system.h, unless GCC_VERSION >= 3001. Do not include
17113 gensupport.h in any case.
17114 (write_conditions): Generate a definition of struct c_test. Add
17115 a comment to the generated #endif.
17116 (write_one_condition): Escape backslashes in string too.
17117 (write_writer): Generated code must escape backslashes and quote
17118 marks (but not newlines) in the strings it writes.
17119 * Makefile.in (build/gencondmd.o): Update dependencies.
17121 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17124 * Makefile.in (insn-automata.o): Add header file dependencies.
17125 * genautomata.c: Add includes.
17127 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17130 * Makefile.in (insn-automata.o): Add -Wno-error flag.
17132 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17134 * configure.ac: Expect target tools paths to be passed from the toplevel
17135 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
17137 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
17139 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17142 * c.opt (Wpointer-sign): Init to -1.
17143 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
17144 OPT_pedantic, to 0 otherwise.
17145 * doc/invoke.texi: Update.
17147 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17149 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
17150 constants provided by 80387 instructions in the destination mode.
17152 2006-01-26 Richard Guenther <rguenther@suse.de>
17153 Andrew Pinski <pinskia@physics.uc.edu>
17156 partial PR tree-opt/17064
17157 * tree-ssa-structalias.c (intra_create_variable_infos):
17158 Create heap variables for incoming parameters if
17159 flag_argument_noalias > 1.
17160 (find_what_p_points_to): Look through default defs of
17163 2006-01-26 Jeff Law <law@redhat.com>
17166 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
17167 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
17168 within the VR_RANGE, use the VR_RANGE as the result, not the
17170 (adjust_range_with_scev): Reject ranges from SCEV which are out of
17171 bounds for the type.
17173 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
17175 * tree-ssa-alias.c (maybe_create_global_var): Change
17176 subvar walking to an assertion that we don't have subvar'd variables.
17178 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
17181 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
17182 Use a new variable, inner. PARM_DECLs are always non-weak.
17184 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
17186 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
17187 --disable-checking.
17189 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
17191 * config/mips/mips.md (*clear_upper32): New combiner pattern.
17193 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
17195 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
17196 (smax_insn, smin_insn, smax_0, smin_0): New.
17198 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
17201 * config/cris/cris.c (cris_order_for_addsi3): New function.
17202 * config/cris/cris-protos.h: Prototype it.
17203 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
17204 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
17205 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
17206 (split for "op.S1 [rx=rx+i],ry (swapped)")
17207 (split for "op(s|u).S1 [rx=rx+i],ry")
17208 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
17209 Apply cris_order_for_addsi3 when generating addsi3 insns.
17211 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17213 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
17214 (TREE_BLOCK): Add call to EXPR_CHECK.
17216 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17219 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
17220 * tree-pretty-print.c (dump_omp_clause): Extract from ...
17221 (dump_omp_clauses): ... here.
17222 (dump_generic_node): Handle OMP_CLAUSE.
17223 * tree.c (omp_clause_num_ops): New.
17224 (omp_clause_code_name): New.
17225 (tree_code_size): Handle OMP_CLAUSE.
17226 (tree_size): Likewise.
17227 (make_node): Document handling of OMP_CLAUSE.
17228 (tree_node_structure): Handle OMP_CLAUSE.
17229 (omp_clause_check_failed): New.
17230 (omp_clause_range_check_failed): New.
17231 (omp_clause_operand_check_failed): New.
17232 (build_omp_clause): New.
17233 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
17234 * tree.h (enum omp_clause_code): Declare.
17235 (OMP_CLAUSE_SUBCODE_CHECK): Define.
17236 (OMP_CLAUSE_RANGE_CHECK): Define.
17237 (OMP_CLAUSE_ELT_CHECK): Define.
17238 (omp_clause_check_failed): Declare.
17239 (omp_clause_operand_check_failed): Declare.
17240 (omp_clause_range_check_failed): Declare.
17241 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
17242 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
17243 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
17244 (OMP_CLAUSE_LASTPRIVATE): Likewise.
17245 (OMP_CLAUSE_IF_EXPR): Likewise.
17246 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
17247 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
17248 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
17249 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
17250 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
17251 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
17252 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
17253 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
17254 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
17255 (OMP_CLAUSE_CODE): Define.
17256 (OMP_CLAUSE_SET_CODE): Define.
17257 (OMP_CLAUSE_CODE): Define.
17258 (OMP_CLAUSE_OPERAND): Define.
17259 (struct tree_omp_clause): Declare.
17260 (union tree_node): Add field 'omp_clause'.
17261 * treestruct.def (TS_OMP_CLAUSE): Define.
17262 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
17263 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
17264 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
17265 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
17266 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
17267 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
17268 (OMP_CLAUSE): Define.
17269 * print-tree.c (print_node): Handle OMP_CLAUSE.
17270 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
17271 * c-typeck.c: Likewise.
17272 * gimplify.c: Likewise.
17273 * c-omp.c: Likewise.
17274 * tree-nested.c: Likewise.
17275 * tree-inline.c: Likewise.
17276 * c-parser.c: Likewise.
17277 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
17280 2006-01-25 Roger Sayle <roger@eyesopen.com>
17282 PR rtl-optimization/25703
17283 * combine.c (try_combine): Handle zero_extract and strict_low_part
17284 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
17286 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
17288 * global.c: Fix comment typos.
17290 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
17293 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
17294 Use output_addr_const instead of assemble_name.
17296 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
17298 * Makefile.in (sched-vis.o): Update dependencies.
17299 * haifa-sched.c (sched_finish): Clear current_sched_info.
17300 * cfg.c (dump_bb_info): New, split from dump_flow_info.
17301 (dump_flow_info): Call it.
17302 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
17304 * basic-block.h (dump_bb_info): Declare.
17305 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
17306 option, and apply options only for dump files whose TDF_RTL,
17307 TDF_TREE, or TDF_IPA bits match.
17308 * rtl.h: Declare new functions exported from sched-vis.c.
17309 * sched-vis.c: Enable also if scheduling is not used.
17310 (print_value): Print the mode of registers if not inside scheduling.
17311 (print_insn): Make it work outside the scheduler. Beautify the output
17313 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
17315 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17317 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
17318 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
17319 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
17320 depending on the value of CONSTANT_POOL_ADDRESS_P.
17321 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
17323 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
17324 rather than SYMBOL_REF_DECL.
17325 (rtx_constant_pool): Remove const_rtx_sym_htab.
17326 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
17327 (init_varasm_status): Don't initialize const_rtx_sym_htab.
17328 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
17329 Remove handling of const_rtx_sym_htab.
17330 (find_pool_constant): Delete.
17331 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
17332 rather than find_pool_constant.
17333 (get_pool_constant_for_function): Delete.
17334 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
17335 find_pool_constant.
17336 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
17337 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
17338 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
17339 (SYMBOL_REF_CONSTANT): New macro.
17340 (get_pool_constant_for_function): Delete.
17341 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
17342 rather than SYMBOL_REF_DECL.
17343 (i386_pe_mark_dllimport): Likewise.
17344 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
17345 rather than SYMBOL_REF_DECL.
17346 * config/darwin.c (machopic_indirect_data_reference): Likewise.
17347 (machopic_indirect_call_target): Likewise.
17349 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
17351 * flow.c (delete_noop_moves): Add missing EOL to dump message.
17353 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17355 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
17357 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
17359 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
17361 2006-01-24 David Daney <ddaney@avtrex.com>
17364 * configure.ac (enable_tls): New enable option.
17365 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
17366 * configure: Regenerate.
17367 * doc/install.texi (--enable-tls): Document new option.
17368 (--disable-tls): Ditto.
17370 2006-01-24 Richard Henderson <rth@redehat.com>
17372 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
17373 * alias.c (true_dependence): Respect it.
17374 (canon_true_dependence, write_dependence_p): Likewise.
17375 * builtins.c (get_builtin_sync_mem): Set it.
17377 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
17379 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
17382 2006-01-24 DJ Delorie <dj@redhat.com>
17384 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
17385 for storing constants in single-bit bitfields.
17387 2006-01-25 Ben Elliston <bje@au.ibm.com>
17389 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
17391 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
17394 * tree-ssa-pre.c (phi_translate): Return NULL
17395 for AGGREGATE_TYPE's.
17397 2006-01-24 Zack Weinberg <zackw@panix.com>
17399 * genautomata.c (process_state_for_insn_equiv_partition):
17400 Use xcalloc for insn_arcs_array.
17401 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
17402 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
17404 2006-01-24 Richard Henderson <rth@redhat.com>
17406 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
17407 update all callers.
17409 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
17411 PR rtl-optimization/25890
17412 PR rtl-optimization/25905
17413 * combine.c (expand_compound_operation, expand_field_assignment):
17414 Fail if the bitfield's final position is out of bounds.
17416 2006-01-24 Ian Lance Taylor <ian@airs.com>
17418 PR middle-end/25930
17419 * cgraphunit.c (cgraph_output_in_order): Don't clear
17420 cgraph_asm_nodes until after asm strings have been output.
17422 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
17424 * fix-header.c (read_scan_file): Add new parameter imultilib when
17425 calling register_include_chains.
17427 2006-01-23 Diego Novillo <dnovillo@redhat.com>
17429 * omp-low.c: Update documentation.
17431 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17432 Daniel Berlin <dberlin@dberlin.org>
17436 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
17437 return from the function.
17439 2006-01-22 Zack Weinberg <zackw@panix.com>
17441 * rtl.def (match_code): Add second argument.
17442 * genpreds.c (write_extract_subexp): New function.
17443 (write_match_code): Add path argument. Use write_extract_subexp.
17444 (write_predicate_expr): Pass path to write_match_code.
17445 (mark_mode_tests): MATCH_CODE applied to a subexpression does
17446 not perform a mode test.
17447 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
17448 a subexpression does not constrain the top-level code set.
17449 * read-rtl.c (read_rtx_variadic): New function.
17450 (read_rtx_1): Use it; allow AND and IOR to be variadic.
17451 * doc/md.texi: Document new notation.
17452 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
17453 (cmpsi_operand): ... here, using new notation.
17455 2006-01-22 Zack Weinberg <zackw@panix.com>
17457 * varray.c: Remove GENERATOR_FILE #ifdefs.
17459 2006-01-22 Zack Weinberg <zackw@panix.com>
17461 * genautomata.c (output_reserved_units_table): Emit nothing if
17462 description->query_units_num is zero. Remove extra blank line.
17463 (output_cpu_unit_reservation_p): Short circuit
17464 if description->query_units_num is zero.
17466 2006-01-22 Zack Weinberg <zackw@panix.com>
17468 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
17469 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
17470 nor any of the random handful of variables that used to be necessary
17471 when this program was linked with rtlanal.o. Prune set of forward
17472 function declarations.
17473 (struct attr_desc): Remove static_p field.
17474 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
17475 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
17476 (attr_string): Do not read the character one past the length of
17478 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
17479 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
17480 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
17481 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
17482 (make_automaton_attrs): New.
17483 (main): Do not call into genautomata. Call local gen_bypass
17484 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
17485 Remove special case for insn_alts.
17486 * genautomata.c: Include gensupport.h; not genattrtab.h nor
17487 varray.h (leftover from previous change). Prune set of forward
17488 function declarations. Remove state_alts fields from all
17489 structures. Remove state_alts_table from struct automaton.
17490 Make everything except main static. Do not maintain num_dfa_decls.
17491 Do not maintain state_alts fields of various structures.
17492 (process_decls): Don't validate condexp for dm_insn_reserv decls.
17493 (add_arc): Remove state_alts argument. All callers updated.
17494 (output_reserved_units_table): Emit #ifdef here...
17495 (output_tables): ...not here. Don't generate state_alts tables.
17496 (expand_automata): Don't generate attributes.
17497 (write_automata): Don't generate state_alts functions.
17498 (main): New function.
17499 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
17500 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
17501 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
17502 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
17503 (BYPASS_P_FUNC_NAME, output_state_alts_table)
17504 (output_automata_list_state_alts_code, output_internal_state_alts_func)
17505 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
17506 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
17508 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
17509 * genattrtab.h: Delete file.
17510 * Makefile.in (OBJS-common): Add insn-automata.o.
17511 (insn-automata.o): New rule.
17512 (simple_generated_c): Add insn-automata.c.
17513 (build/genattrtab.o, build/genautomata.o): Update dependencies.
17514 (genprogmd): Add automata.
17515 (build/genattrtab): Needs no extra objects nor libraries.
17516 (build/genautomata): Needs build/vec.o and -lm.
17518 2006-01-22 Zack Weinberg <zackw@panix.com>
17520 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
17521 (output_dfa_max_issue_rate, locked_states_num): Delete.
17522 (struct automaton): Add locked_states field.
17523 (output_dead_lock_vect): Save number of locked states in
17524 automaton->locked_states. If it is zero, don't print anything.
17525 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
17526 (output_internal_dead_lock_func): Only test the dead_lock_vect
17527 for automata that have locked states.
17528 (output_statistics): Always print the number of locked states for
17529 each automaton. Calculate total number of locked states here.
17530 (write_automata): Don't call output_dfa_max_issue_rate.
17531 * genattrtab.c: Define length_unit_log as a const variable.
17532 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
17533 max_insn_queue_index const.
17534 * final.c (length_unit_log): Declare const.
17535 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
17537 2006-01-22 Zack Weinberg <zackw@panix.com>
17539 * genautomata.c: Include vec.h, not varray.h.
17540 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
17541 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
17542 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
17543 VEC_* macros operating on appropriately typed vectors, or to
17544 malloced arrays when the size is known in advance. Const-ify
17545 many char* variables and function arguments. No functional changes.
17546 * Makefile.in (build/varray.o): Delete rule.
17547 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
17548 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
17550 2006-01-22 Zack Weinberg <zackw@panix.com>
17552 * gensupport.c: Define get_insn_name and record_insn_name here.
17553 (read_md_rtx): Call record_insn_name as appropriate.
17554 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
17555 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
17556 * genpreds.c, genrecog.c: Don't define get_insn_name nor
17558 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
17559 (BUILD_VARRAY): Delete.
17560 (genprognormal): Rename genprogmd. Fold in all programs from
17561 genprognoprint; also attrtab.
17562 (build/genattrtab): Just mention genautomata.o and varray.o.
17563 Reorganize a bit, add comments to make the categories clearer.
17565 2006-01-22 Zack Weinberg <zackw@panix.com>
17567 * genconditions.c (condition_table, add_condition): Delete.
17568 (write_conditions): Don't emit n_insn_conditions nor
17569 insn_elision_unavailable. Issue the gcc version #ifdef here,
17570 inside the table, with no #else clause ...
17571 (write_header): ...not here.
17572 (write_writer): New function.
17573 (main): Don't initialize condition_table. Use add_c_test.
17575 * gensupport.c (init_md_reader_args_cb): Handle multiple input
17576 files on the command line.
17577 (maybe_eval_c_test): Don't check insn_elision_unavailable.
17578 Return -1 if there is no entry in the table, don't abort.
17579 (add_c_test, traverse_c_tests): New functions.
17580 * gensupport.h (insn_elision_unavailable, insn_conditions)
17581 (n_insn_conditions): Delete declarations.
17582 (add_c_test, traverse_c_tests): Declare.
17583 * read-rtl.c: Include gensupport.h.
17584 (read_conditions): New function.
17585 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
17586 (read_rtx_1): If we get EOF when we were looking for an initial
17587 open paren, return 0. Call read_conditions when appropriate.
17588 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
17589 dummy-conditions.o. Eliminate references to insn-conditions.o,
17590 or change them to build/gencondmd.o, as appropriate. Remove
17591 insn-constants.h from $(simple_generated_h) and insn-conditions.c
17592 from $(simple_generated_c). For all files remaining in those
17593 two lists, add insn-conditions.md to the generator command line.
17594 Give insn-constants.h/s-constants their own rules. Add rules
17595 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
17596 (build/read-rtl.o): Depend on gensupport.h.
17597 (genprognormal): Include preds.
17598 (genprogearly): Rename genprognoprint; only difference is now that
17599 they don't link with $(BUILD_PRINT).
17600 * dummy-conditions.c: Delete.
17602 2006-01-22 Zack Weinberg <zackw@panix.com>
17604 * genextract.c: Don't include insn-config.h. Do include vec.h.
17605 Declare vectors of int, char, and locstr.
17606 (locstr): New typedef.
17607 (struct extraction): Make all array fields into bare pointers.
17608 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
17609 (insn_code_number): Delete.
17610 (accum_extract): New struct.
17611 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
17612 (gen_insn): Take insn_code_number as an argument. Use an
17613 accum_extract structure instead of loading data directly into
17614 a struct extraction, and having to know how big it might get.
17615 (walk_rtx): Operate entirely on an accum_extract structure.
17616 (print_path): Avoid unnecessary use of printf.
17617 (print_header): New function, split out of main. Distinguish
17618 more carefully between an unrecognizable insn and an insn that
17619 has the code number of a define_expand.
17620 (main): Pass insn_code_number to gen_insn. Call print_header
17621 only after parsing. Avoid unnecessary use of printf.
17622 * Makefile.in (build/vec.o): New rule.
17623 (build/genextract): Depend on build/vec.o.
17624 (build/genextract.o): Don't depend on insn-config.h.
17626 2006-01-22 Zack Weinberg <zackw@panix.com>
17628 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
17629 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
17630 practical. Eliminate per-generator-program link rules.
17632 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17634 PR middle-end/24437
17635 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17636 with a call expr to ...
17637 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17639 2006-01-23 Richard Guenther <rguenther@suse.de>
17641 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
17642 before make_edge with conditional EDGE_TRUE_VALUE.
17644 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
17645 Jan Hubicka <jh@suse.cz>
17646 Richard Guenther <rguenther@suse.de>
17648 PR rtl-optimization/25654
17649 * cfgexpand.c (aggregate_contains_union_type): New function.
17650 (add_alias_set_conflicts): Call it. Make sure to add conflicts
17651 for structure variables that contain a union type.
17653 2006-01-23 Richard Sandiford <richard@codesourcery.com>
17655 * gengtype.c (new_structure): Return the structure.
17656 (create_option): Add an extra "next" argument.
17657 (create_field): New function.
17658 (adjust_field_rtx_def): Use create_option and create_field.
17659 Remove a now-unnecessary call to find_structure.
17660 (adjust_field_tree_def): Likewise.
17661 (note_yacc_type): Remove an unnecessary call to find_structure.
17662 * gengtype.h (new_structure): Return the structure.
17663 (create_option): Add an extra argument.
17664 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
17665 (option): Adjust calls to create_option.
17667 2006-01-22 David Edelsohn <edelsohn@gnu.org>
17669 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
17671 2006-01-22 Paul Brook <paul@codesourcery.com>
17672 Peter Barada <peter@the-baradas.com>
17674 * config/m68k/m68k.md: Add Coldfire FPU support.
17675 Define FP mode macro and associated attributes.
17676 Use it for float mode patterns.
17677 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
17678 (LIBCALL_VALUE): Use m68k_libcall_value.
17679 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
17680 (m68k_function_value): Ditto.
17681 (emit_move_sequence): Ditto.
17682 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
17683 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
17684 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
17685 (MULTILIB_EXCEPTIONS): Ditto.
17686 * config/m68k/m68k.opt: Add mcfv4e.
17687 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
17688 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
17689 (m68k_output_function_prologue): Save ColdFire FPU registers.
17690 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
17691 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
17692 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
17693 ColdFire FPU registers.
17694 (m68k_libcall_value, m68k_function_value): New functions.
17695 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
17696 (LIBCALL_VALUE): Use m68k_libcall_value.
17697 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
17698 (MASK_COLDFIRE): Add MASK_CFV4E.
17699 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
17700 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
17701 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
17702 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
17703 (GO_IF_LEGITIMATE_ADDRESS): Use it.
17704 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
17705 * doc/invoke.tex: Document -mcfv4e on m68k.
17707 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
17709 * doc/contribute.texi: Change CVS to SVN and update the corresponding
17712 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
17715 * c-opts.c (c_common_handle_option): Don't include
17716 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
17717 * doc/invoke.texi (C++ Dialect Options): Document that
17718 -Wnon-virtual-dtor is no longer included in -Wall.
17720 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
17722 * gcov.c (print_version), gcov-dump.c (print_version),
17723 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
17726 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
17728 * df-scan.c (problem_SCAN): Added NULL reset function.
17729 (df_scan_reset_blocks): Added code to call reset block function
17730 (df_bb_refs_delete) Fixed comment.
17731 (df_insn_refs_delete): Made tolerant of deleting non existent info
17732 for dataflow problems that need to be reset.
17733 * df-core.c (df_set_blocks): Ditto.
17734 * df.h (struct df_problem): Added reset_fun.
17735 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
17736 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
17737 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
17738 functions to clear out all references to def-use or use-def chains.
17740 2006-01-21 Ben Elliston <bje@au.ibm.com>
17742 * varasm.c (assemble_real): Initialise data array.
17744 2006-01-20 Paul Brook <paul@codesourcery.com>
17746 Merge from csl-arm-branch.
17747 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
17748 * config/arm/arm.md (movdi): Force operands[1] to a register
17749 if we have a non-register source.
17750 (*arm_movdi, *movdf_soft_insn): Require that one of the
17751 operands be a register.
17752 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
17753 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
17755 2006-01-20 DJ Delorie <dj@redhat.com>
17757 * varasm.c (initializer_constant_valid_p): Allow pointers
17758 initialized from integer constants of lesser precision.
17759 (output_constant): Allow non-int-sized pointer modes to be
17760 initialized from integer constants.
17762 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
17765 * cppdefault.h (struct default_include): Add multilib flag.
17766 * cppdefault.c (cpp_include_defaults): Set it.
17767 * c.opt (-imultilib): New option.
17768 * c-opts.c (imultilib): New.
17769 (c_common_handle_option): Handle -imultilib.
17770 (c_common_post_options): Likewise.
17771 * c-incpath.c (add_standard_paths, register_include_chains):
17773 * c-incpath.h (register_include_chains): Add extra parameter.
17774 * gcc.c (do_spec_1): Generate -imultilib option.
17775 (The Specs Language): Update %I description.
17776 (process_command): Update copyright notice.
17777 * doc/cppopts.texi (-imultilib): Document.
17778 * doc/invoke.texi (-imultilib): Include in option summary.
17779 (%I): Update specs documentation.
17781 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17783 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
17785 2006-01-20 Richard Sandiford <richard@codesourcery.com>
17787 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
17790 2006-01-20 Richard Guenther <rguenther@suse.de>
17791 Steven Bosscher <stevenb.gcc@gmail.com>
17793 PR rtl-optimization/24626
17794 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
17795 EDGE_TRUE_VALUE if in RTL mode.
17798 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
17799 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
17801 2006-01-20 Dirk Mueller <dmueller@suse.com>
17804 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
17805 instead of a special NOP marker.
17806 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
17807 NOP marker handling.
17808 * c-common.h (empty_body_warning): Add forward declaration.
17809 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
17810 Now uses IS_EMPTY_STMT() instead of special NOP markers.
17812 2006-01-20 Paul Brook <paul@codesourcery.com>
17814 * Makefile.in (lang_checks): Keep going if mkdir fails.
17816 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17818 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
17819 be able to clean out basic block when not necessary.
17820 (df_scan_free): Fixed to properly delete information if df is
17821 unused before calling df_finish.
17822 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
17823 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
17825 (df_bb_refs_delete): New function.
17826 (df_refs_delete): Moved per block code to df_bb_refs_delete.
17827 * df-core.c (df_set_blocks): Added code to properly clean out
17828 unused blocks if they are not part of the blocks to consider.
17829 Added additional null check.
17830 (df_compact_blocks): Added basic block parameter to free_bb_fun to
17831 be able to clean out basic block when not necessary
17832 * df.h (df_free_bb_function): Ditto.
17833 (df_bb_refs_delete): New function.
17834 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
17835 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
17836 basic block parameter to be able to clean out basic block when not
17838 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
17839 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
17840 Fixed to properly delete information if df is unused before
17843 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17845 PR rtl-optimization/25799
17846 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
17847 Corrected confluence operator to remove bits from op2 before oring
17848 with op1 rather than removing bits from op1.
17849 (df_ru_transfer_function): Corrected test on wrong bitmap which
17850 caused infinite loop. Both of these problems were introduced in
17851 the dataflow rewrite.
17853 2006-01-19 DJ Delorie <dj@redhat.com>
17855 * reload1.c (find_reload_regs): Note the details of reload
17856 failures in the dump file.
17857 (spill_failure): Likewise.
17859 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17861 * loop-iv.c: Include df.h and hashtab.h.
17862 (enum iv_grd_result): New enum.
17863 (DF_REF_IV, DF_REF_IV_SET): New macros.
17864 (struct biv_entry): New.
17865 (df, bivs): New global variables.
17866 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
17867 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
17869 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
17870 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
17871 analyzed_for_bivness_p, record_biv): New functions.
17872 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
17873 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
17874 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
17876 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
17878 (iv_number_of_iterations): Use new interface to iv analysis.
17879 * loop-unroll.c: Do not include varray.h.
17880 (analyze_iv_to_split_insn): Use new interface to iv
17882 * loop-unswitch.c (may_unswitch_on): Ditto.
17883 * df.c (df_bitmaps_free): Only work for bbs for that structures are
17885 (df_bb_modify): Realloc tables to the new index.
17886 (df_find_use): New function.
17887 * df.h (df_find_use): Declare.
17888 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
17890 * cfgloop.h (struct rtx_iv): Remove analysed field.
17891 (iv_get_reaching_def): Removed.
17892 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
17893 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
17894 (loop-iv.o): Add df.h and hashtab.h dependency.
17895 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
17897 2006-01-20 Alan Modra <amodra@bigpond.net.au>
17900 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
17902 (__floatundisf, __floatundidf): Likewise.
17903 * libgcc2.h (IS_IBM_EXTENDED): Define.
17905 2006-01-19 DJ Delorie <dj@redhat.com>
17907 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
17909 2006-01-19 Paul Brook <paul@codesourcery.com>
17911 * config/arm/arm.c (arm_compute_func_type): Treat all functions
17912 as nothrow when unwinding tables are disabled.
17914 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17917 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
17918 of bit-field" when in system header.
17920 2006-01-19 DJ Delorie <dj@redhat.com>
17922 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
17923 the 16 bit shift limit of the m16c.
17925 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
17928 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
17929 * config/i386/i386.c (output_set_got): Output the label if we have one
17930 for the TARGET_DEEP_BRANCH_PREDICTION case.
17932 2006-01-19 Jan Hubicka <jh@suse.cz>
17933 H.J. Lu <hongjiu.lu@intel.com>
17934 Evandro Menezes <evandro.menezes@amd.com>
17936 * invoke.texi (generic): Document
17938 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
17939 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
17940 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
17941 (x86_use_incdec, x86_pad_returns): New variables
17942 (TARGET_CPU_DEFAULT_generic): New constant
17943 (TARGET_CPU_DEFAULT_NAMES): Add generic.
17944 (enum processor_type): Add generic32 and generic64.
17945 * i386.md (cpu attribute): Add generic32/generic64
17946 (movhi splitter): Behave sanely when both partial_reg_dependency and
17947 partial_reg_stall are set.
17948 (K8 splitters): Enable for generic as well.
17949 * predicates.md (incdec_operand): Use TARGET_INCDEC
17950 (aligned_operand): Avoid memory mismatch stalls.
17951 * athlon.md: Enable for generic64, new patterns for 128bit moves.
17952 * ppro.md: Enable for generic32
17953 * i386.c (generic64_cost, generic32_cost): New.
17954 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
17955 (x86_use_leave): Enable for generic64. (x86_use_sahf,
17956 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
17957 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
17958 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
17959 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
17960 x86_partial_reg_dependency, x86_memory_mismatch_stall,
17961 x86_accumulate_outgoing_args, x86_prologue_using_move,
17962 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
17963 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
17964 Enable for generic.
17965 (x86_use_incdec, x86_pad_returns): New.
17966 (override_options): Add generic32 and generic64, translate "generic"
17967 to generic32/generic64 and "i686" to "generic32", refuse
17968 "generic32"/"generic64" as arch target.
17969 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
17970 (ix86_reorg): Honor PAD_RETURNS.
17972 2006-01-19 Diego Novillo <dnovillo@redhat.com>
17974 * tree-pretty-print.c (dump_generic_node): Handle
17975 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
17976 * cgraph.c (cgraph_expand_queue): Rename from
17977 cgraph_analyze_queue. Update all users.
17978 * cgraphunit.c (cgraph_assemble_pending_functions): Process
17979 cgraph_expand_queue.
17980 (cgraph_expand_all_functions): Likewise.
17981 (cgraph_finalize_pending_functions): Remove. Update callers.
17983 * tree.h (OMP_DIRECTIVE_P): Define.
17984 (OMP_PARALLEL_FN): Define.
17985 (OMP_PARALLEL_DATA_ARG): Define.
17986 (OMP_SECTIONS_SECTIONS): Define.
17987 * tree-pass.h (pass_expand_omp): Declare.
17988 * omp-low.c (struct omp_region): Declare.
17989 (struct omp_context): Remove fields 'parallel_type',
17990 'parallel_start_ix' and 'parallel_start_additional_args'.
17992 (struct omp_for_data): Rename from struct expand_omp_for_data.
17993 (omp_regions): New static variable.
17994 (root_omp_region): New static variable.
17995 (find_omp_clause): Make static.
17996 (is_in_combined_parallel_ctx): Remove.
17997 (is_combined_parallel): New.
17998 (extract_omp_for_data): Move earlier in the file.
17999 (workshare_safe_to_combine_p): New.
18000 (get_ws_args_for): New.
18001 (determine_parallel_type): Move earlier in the file.
18002 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
18004 (omp_copy_decl): Likewise.
18005 (create_omp_child_function): Likewise.
18006 (lookup_omp_region): New.
18007 (dump_omp_region): New.
18008 (debug_omp_region): New.
18009 (debug_all_omp_regions): New.
18010 (new_omp_region): New.
18011 (scan_omp_parallel): If parallel_nesting_level > 1, the
18012 directive is nested within another parallel directive.
18013 Set OMP_PARALLEL_FN.
18014 (scan_omp_for): Do not try to handle combined parallel+for
18016 Remove FIXME comment.
18017 (scan_omp_nested): Remove.
18018 (scan_omp_1): Do not call scan_omp_nested when
18019 parallel_nesting_level is > 1.
18020 Do not change the DECL_CONTEXT of local variables found.
18021 (lookup_decl_in_outer_ctx): New.
18022 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
18023 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
18024 (lower_reduction_clauses): Rename from expand_reduction_clauses.
18025 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
18026 If CTX is nested, lookup VAR in the outer context when
18027 building copy assignment.
18028 (lower_send_clauses): Rename from expand_send_clauses.
18029 If CTX is nested, lookup VAR in the outer context when
18030 building copy assignments.
18031 (lower_send_shared_vars): Rename from expand_send_shared_vars.
18032 If CTX is nested, lookup VAR in the outer context when
18033 building copy assignments.
18034 (expand_parallel_call): Rename from build_parallel_call.
18035 Handle combined parallel+workshare cases.
18036 Re-implement to emit code into the CFG.
18038 (expand_omp_parallel): Re-implement to emit code into the CFG.
18039 Call move_sese_region_to_fn to outline the sub-graph
18040 containing the parallel region.
18041 (expand_omp_for_1): Remove.
18042 (expand_omp_for_generic): Re-implement to emit code into the
18044 (expand_omp_for_static_nochunk): Likewise.
18045 (expand_omp_for_static_chunk): Likewise.
18046 (expand_omp_for): Likewise.
18047 (expand_omp_sections): Likewise.
18048 (remove_exit_barriers): New.
18049 (expand_omp_synch): New.
18051 (build_omp_regions_1): New.
18052 (build_omp_regions): New.
18053 (execute_expand_omp): New.
18054 (gate_expand_omp): New.
18055 (pass_expand_omp): Define.
18056 (lower_omp_sections): Rename from expand_omp_sections.
18057 Set OMP_SECTIONS_SECTIONS.
18058 (lower_omp_single_simple): Rename from expand_omp_single_simple.
18059 (lower_omp_single_copy): Rename from expand_omp_single_copy.
18060 (lower_omp_single): Rename from expand_omp_simple.
18061 (lower_omp_master): Rename from expand_omp_master.
18062 (lower_omp_ordered): Rename from expand_omp_ordered.
18063 (lower_omp_critical): Rename from expand_omp_critical.
18064 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
18065 (lower_omp_for): Re-implement.
18066 (lower_omp_parallel): Re-implement.
18067 (lower_regimplify): Rename from expand_regimplify.
18068 (lower_omp_1): Rename from expand_omp_1.
18069 If there are syntax errors in the program, replace every
18070 OpenMP directive with NOP.
18071 Call lower_omp_* instead of expand_omp_*.
18072 (lower_omp): Rename from expand_omp.
18074 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
18075 * tree-gimple.h (enum omp_parallel_type): Remove.
18076 (gimple_boolify): Declare extern.
18077 (find_omp_clause, determine_parallel_type): Remove.
18079 * gimple-low.c (lower_omp_directive): New.
18080 (lower_stmt): Call it.
18081 (record_vars_into): Move from ...
18082 (record_vars): ... here.
18083 Call record_vars_into with current_function_decl.
18085 * gimplify.c (struct gimplify_ctx): Remove fields
18086 combined_pre_p and combined_ctxp. Update users.
18087 (get_formal_tmp_var): Add documentation.
18088 (gimple_boolify): Make extern.
18089 (gimplify_expr_in_ctx): Remove. Update callers.
18090 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
18091 will always be a BIND_EXPR.
18092 (gimplify_expr): Handle OMP_RETURN_EXPR.
18093 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
18094 (OMP_PARALLEL): Add 3 operands.
18095 (OMP_SECTIONS): Add 1 operand.
18096 (OMP_RETURN_EXPR): Define.
18098 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
18099 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
18100 * tree-iterator.c (alloc_stmt_list): Assert that we are not
18101 creating a circular free list.
18102 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
18104 * tree-flow.h (move_sese_region_to_fn): Declare.
18105 (record_vars_into): Declare.
18106 * tree-cfg.c (make_omp_sections_edges): New.
18107 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
18108 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
18109 OMP_SECTIONS and OMP_SECTION.
18110 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
18111 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
18112 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
18113 (gather_blocks_in_sese_region): New.
18114 (struct move_stmt_d): Declare.
18115 (move_stmt_r): New.
18116 (move_block_to_fn): New.
18117 (move_sese_region_to_fn): New.
18119 * passes.c (init_optimization_passes): Schedule
18120 pass_expand_omp after pass_init_datastructures.
18122 * tree-ssa-operands.c (get_expr_operands): Handle
18123 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
18124 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
18126 2006-01-19 Jeff Law <law@redhat.com>
18128 * tree-vrp.c (extract_range_from_assert): Refine the result range
18129 if the variable referenced by the ASSERT_EXPR has a range and
18130 either the tentative result range or the previous range is a
18133 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18135 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
18137 2006-01-19 Jan Hubicka <jh@suse.cz>
18139 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
18141 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
18143 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
18144 (expand_compound_operation, expand_field_assignment): Fail if the
18145 bit lengths of an extract operation are out of range.
18146 (make_extraction): Compute wanted_inner_mode based on the position
18147 and length of the extraction. Make it extraction_mode for non-constant
18148 positions, and do not modify offset in that case. When generating a
18149 new MEM, use a mode that can hold the extraction while keeping correct
18150 alignment. Remove code that supported MEMs wrapped by USEs.
18151 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
18153 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
18155 * config/s390/s390.md ("Y", "y"): New mode attribute.
18156 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
18157 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
18158 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
18159 "*addsi3_imm_cc", "*addsi3_carry1_cc",
18160 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
18161 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
18162 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
18163 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
18164 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
18165 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
18166 "addsi3", "subsi3"): Insn patterns removed.
18167 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
18168 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
18169 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
18170 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
18171 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
18172 "*sub<mode>3_cconly2"): New insn patterns.
18173 ("addsi3", "subsi3"): New expanders.
18175 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
18177 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
18178 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
18179 existing STMT_VINFO_VECTYPE if available.
18180 (vect_mark_relevant): Add special handling for stmts that are
18181 marked as STMT_VINFO_IN_PATTERN_P.
18182 (vect_analyze_loop): Call vect_pattern_recog.
18183 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
18184 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
18186 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
18187 (vect_recog_func_ptr): New function-pointer type.
18188 * tree-vect-patterns.c: New file.
18189 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
18190 (vect_recog_dot_prod_pattern, vect_pattern_recog):
18191 (vect_pattern_recog_1): New functions.
18192 (vect_pattern_recog_funcs): New array of function pointers.
18194 * tree-vectorizer.h (ternary_op): New enum value.
18195 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
18196 declaration. Revised documentation. Removed redundant dump prints.
18197 Removed redundant argument. Added support for reduction patterns.
18198 (vectorizable_reduction): Added support for reduction patterns.
18199 (vect_transform_stmt): Added support for patterns.
18201 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
18202 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
18203 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
18204 (expand_widen_pattern_expr): New function.
18205 (init_optabs): Initialize new optabs udot_prod_optab,
18207 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
18208 (sdot_prod_optab, udot_prod_optab): Define new optabs.
18209 (expand_widen_pattern_expr): New function declaration.
18210 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
18212 * tree-inline.c (estimate_num_insns_1): Added cases for new
18213 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18214 * tree-pretty-print.c (dump_generic_node): Likewise.
18215 (op_prio): Likewise.
18216 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18217 * tree-ssa-operands.c (get_expr_operands): Added case for
18219 * tree-vect-patterns.c (widened_name_p): New function.
18220 (vect_recog_dot_prod_pattern): Added function implementation.
18221 * tree-vect-transform.c (get_initial_def_for_reduction): Added
18222 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
18223 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
18224 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
18226 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
18227 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
18228 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
18229 (init_optabs): Initialize new optabs widen_ssum_optab,
18231 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
18232 (widen_ssum_optab, widen_usum_optab): Define new optabs.
18233 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
18234 use instead of type of def.
18235 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
18236 function implementation.
18237 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
18238 widen_ssumv8hi): New.
18240 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
18243 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18246 * c-decl.c (add_flexible_array_elts_to_size): New function.
18247 (finish_decl): Use it.
18249 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
18251 * diagnostic.h: Include options.h.
18252 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
18253 dependancies for diagnostic.h.
18254 * Makefile.in (DIAGNOSTIC_H): Add options.h.
18256 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
18258 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
18259 (ssa_ro_call_cache_valid): Ditto.
18260 * tree-ssa-alias.c (sort_tags_by_id): New function.
18261 (init_transitive_clobber_worklist): Ditto.
18262 (add_to_worklist): Ditto.
18263 (mark_aliases_call_clobbered): Ditto.
18264 (compute_tag_properties): Ditto.
18265 (set_initial_properties): Ditto.
18266 (compute_call_clobbered): Ditto.
18267 (compute_may_aliases): Call compute_call_clobbered and grouping.
18268 (compute_flow_sensitive_aliasing): Remove clobbering related code.
18269 (compute_flow_insensitive_aliasing): Grouping now happens in our
18271 (setup_pointers_and_addressables): Remove clobbering related code.
18272 (add_may_alias): Ditto.
18273 (replace_may_alias): Ditto.
18274 (get_nmt_for): Ditto.
18275 (create_global_var):
18276 (is_escape_site): Return an escape_type enumeration.
18277 * tree-flow-inline.h (is_call_clobbered): Global var does not
18278 imply call clobbered.
18279 (mark_call_clobbered): Take a reason for marking this. Remove
18280 marking of globalness, and cache invalidation.
18281 (clear_call_clobbered): Remove cache invalidation code.
18282 * tree-dfa.c (dump_variable): If details is on, dump the reason
18284 * tree-outof-ssa.c (create_temp): Copy escape mask from original
18286 * tree-flow.h (struct ptr_info_def): Add escape mask member.
18287 (struct var_ann_d): Ditto.
18288 (enum escape_type): New.
18289 (mark_call_clobbered): Adjust prototype.
18290 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
18291 are never call clobbered.
18292 Record reasons for escaping.
18293 * tree-ssa-structalias.h (is_escape_site): Update prototype.
18294 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
18295 (ssa_ro_call_cache_valid): Ditto.
18296 (clobbered_v_may_defs): Ditto.
18297 (clobbered_vuses): Ditto.
18298 (ro_call_vuses): Ditto.
18299 (clobber_stats): New.
18300 (init_ssa_operands): Zero out clobber stats.
18301 (fini_ssa_operands): Print out clobber stats.
18302 (get_call_expr_operands): Pass callee fndecl to
18303 add_call_read_ops).
18304 (add_call_clobber_ops): Remove use of cache.
18305 Add use of PURE_CONST information.
18306 (add_call_read_ops): Remove use of cache.
18307 Add use of static not_read information.
18309 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
18311 Introduce TLS descriptors for i386 and x86_64.
18312 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
18313 (TARGET_ANY_GNU_TLS): New macro.
18314 (enum tls_dialect): Added TLS_DIALECT_GNU2.
18315 (struct machine_function): Add tls_descriptor_call_expanded_p.
18316 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
18317 (ix86_current_function_calls_tls_descriptor): Likewise.
18318 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
18319 (override_options): Introduce gnu2 tls dialect.
18320 (ix86_frame_pointer_required): Functions containing TLSCALLs are
18322 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
18324 (legitimize_tls_address): Adjust logic for GNU2 TLS.
18325 (ix86_init_machine_status): Initialize new field.
18326 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
18327 (ix86_tls_module_base): New.
18328 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
18329 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
18330 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
18331 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
18332 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
18333 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
18334 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
18335 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
18336 * config/i386/predicates.md (tls_modbase_operand): New.
18337 (tp_or_register_operand): New.
18339 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
18341 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
18342 (look_for_address_of): Ditto.
18343 (ipa_init): Walk the function decls.
18344 (static_execute): Don't set readonly on FUNCTION_DECL's.
18346 2006-01-18 Roger Sayle <roger@eyesopen.com>
18348 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
18349 for shifts where the source and destination registers are different.
18351 2006-01-18 Paul Brook <paul@codesourcery.com>
18353 Merge from csl-arm-branch.
18354 2005-03-14 Julian Brown <julian@codesourcery.com>
18355 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
18356 (aeabi_llsl): Likewise.
18357 (ashrdi3): Likewise.
18358 (aeabi_lasr): Likewise.
18359 (lshrdi3): Likewise.
18360 (aeabi_llsr): Likewise.
18361 2005-03-10 Julian Brown <julian@codesourcery.com>
18362 * config.gcc: Disable shared libgcc for SymbianOS.
18363 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
18365 2006-01-18 DJ Delorie <dj@redhat.com>
18367 * c-pragma.c (handle_pragma_diagnostic): New.
18368 (init_pragma): Register it.
18369 * doc/extend.texi: Document it.
18371 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
18372 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
18373 (diagnostic_context): Add classify_diagnostic[].
18374 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
18375 as errors if they're overridden to DK_WARNING.
18376 (diagnostic_initialize): Initialize classify_diagnostic[].
18377 (diagnostic_set_kind_override): New.
18378 (diagnostic_report_diagnostic): Check for kind changes.
18379 * opts.c (common_handle_option): Take lang_mask. Update callers.
18380 Handle OPT_Werror_.
18381 * common.opt (Werror=): New.
18382 * doc/invoke.texi: Document -Werror=*
18384 2006-01-18 Jeff Law <law@redhat.com>
18386 * tree-vrp.c (test_for_singularity): Correct test for new
18387 min limit. Use operand_equal_p rather than pointer equality
18388 for testing if new min/max values are equal.
18390 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
18391 using range information until after propagation and folding.
18393 2006-01-18 Richard Henderson <rth@redhat.com>
18394 Aldy Hernandez <aldyh@redhat.com>
18395 Jakub Jelinek <jakub@redhat.com>
18396 Diego Novillo <dnovillo@redhat.com>
18398 * omp-low.c: New file.
18399 * c-omp.c: New file.
18401 2006-01-18 Richard Henderson <rth@redhat.com>
18402 Jakub Jelinek <jakub@redhat.com>
18403 Diego Novillo <dnovillo@redhat.com>
18405 * doc/invoke.texi: Document -fopenmp.
18406 * tree-dump.h (debug_function): Declare.
18407 * hooks.c (hook_bool_tree_bool_false): New function.
18408 (hook_tree_tree_null): Remove.
18409 (hook_tree_tree_tree_null): New.
18410 * hooks.h: Update to match.
18411 * tree-pretty-print.c (debug_tree_chain): New.
18412 (print_generic_expr): Handle TDF_CHAIN.
18413 (dump_generic_node): Handle BLOCK.
18414 Do not abort with incomplete SWITCH_EXPRs.
18415 Do not dump body of an OpenMP directive if TDF_SLIM is given.
18416 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
18417 print space after directive name.
18418 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
18419 Handle OMP_MASTER and OMP_ORDERED.
18420 Handle printing of OMP_BODY just in one place, goto
18421 dump_omp_body in the rest of OMP_* nodes that have
18423 Don't handle clause nodes here. Update omp statements to
18424 use dump_omp_clauses.
18425 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
18426 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
18427 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
18428 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
18429 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
18430 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
18431 Adjust output for GOMP_PARALLEL.
18432 (dump_omp_clauses): New.
18433 (print_declaration): Dump DECL_VALUE_EXPR.
18434 (op_symbol_1): Split out of op_symbol.
18435 (dumping_stmts): Remove. Update all users.
18436 * cgraph.c (cgraph_analyze_queue): New.
18437 (cgraph_add_new_function): New.
18438 * cgraph.h (cgraph_analyze_queue): Declare.
18439 (cgraph_add_new_function): Declare.
18440 (cgraph_lower_function): Remove.
18441 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
18442 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
18443 and TYPE_P nodes in its default clause.
18444 (empty_body_p): New.
18445 (tree_range_check_failed): New.
18446 (build5_stat): New.
18447 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
18448 OMP_CLAUSE_REDUCTION_MERGE,
18449 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
18450 OMP_CLAUSE_PRIVATE_DEBUG,
18451 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
18452 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
18453 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
18454 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
18455 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
18456 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
18457 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
18458 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
18459 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
18460 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
18461 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
18462 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
18463 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
18464 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
18465 (TREE_RANGE_CHECK): New.
18466 (empty_body_p): Declare.
18467 (enum omp_clause_default_kind): New.
18468 (build_string_literal): Declare.
18469 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
18470 (build5_stat, build5): Declare.
18471 * tree-pass.h (TDF_CHAIN): Define.
18472 * tree-pass.h (PROP_gimple_lomp): Define.
18473 (pass_lower_omp): Declare.
18474 * diagnostic.h (debug_tree_chain): Declare.
18475 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
18477 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
18478 * builtins.c (build_string_literal): Make extern.
18479 * gcc.c (include_spec_function): New.
18480 (static_spec_functions): Add it.
18481 (main): Move load of libgomp.spec ...
18482 (LINK_COMMAND_SPEC): ... here.
18483 (link_gomp_spec): New.
18484 (static_specs): Include it.
18485 (LINK_COMMAND_SPEC): Add link_gomp.
18486 (GOMP_SELF_SPECS): New.
18487 (driver_self_specs): Include it.
18488 (switch_matches): Don't mark inline.
18489 (main): Load libgomp.spec.
18490 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
18491 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
18492 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
18493 * tree-gimple.h (enum omp_parallel): Declare.
18494 (determine_parallel_type): Declare.
18495 (omp_firstprivatize_variable): Declare.
18496 (omp_reduction_init): Declare.
18497 (diagnose_omp_structured_block_errors): Declare.
18498 (struct walk_stmt_info): Add want_return_expr.
18499 (struct walk_stmt_info): Add want_bind_expr, want_locations.
18500 (find_omp_clause): Declare.
18501 (insert_field_into_struct): Declare.
18502 (struct walk_stmt_info): Move from tree-nested.c
18503 (walk_stmts): Declare.
18504 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
18506 * cgraphunit.c (cgraph_lower_function): Make static.
18507 (cgraph_finalize_pending_functions): New.
18508 (cgraph_finalize_function): Call it.
18509 (cgraph_finalize_compilation_unit): Likewise.
18510 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
18511 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
18512 (BT_FN_UINT_UINT): New.
18513 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
18514 DEF_FUNCTION_TYPE_VAR_4): Document.
18515 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
18516 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
18517 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
18518 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
18519 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
18520 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
18521 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
18522 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
18523 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
18524 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
18525 into separate files.
18526 (DEF_GOMP_BUILTIN): New.
18527 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
18528 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
18529 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
18530 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
18531 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
18532 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
18533 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
18534 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
18535 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
18536 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
18537 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
18538 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
18539 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
18540 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
18541 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
18542 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
18543 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
18544 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
18545 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
18546 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
18547 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
18548 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
18549 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
18550 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
18551 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
18552 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
18553 * sync-builtins.def: New file, moved from builtins.def.
18554 * omp-builtins.def: New file, moved from builtins.def.
18555 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
18556 * gimple-low.c (lower_function_body): Clear data.
18557 (lower_stmt): Do not handle COMPOUND_EXPR.
18558 Remove call to print_node_brief.
18559 * c-tree.h (c_finish_omp_clauses): New prototype.
18560 (C_DECL_THREADPRIVATE_P): Define.
18561 (lookup_name_no_remap, c_omp_remap_private): Remove
18562 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
18563 (check_for_loop_decls): Update decl.
18564 (lookup_name_no_remap, c_omp_remap_private): Declare.
18565 (build_indirect_ref, build_modify_expr, pushdecl,
18566 pushdecl_top_level): Move to c-common.h.
18567 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
18568 before the switch, but just in the 2 places that need it.
18569 * c-decl.c (diagnose_mismatched_decls): Do not check for
18570 mismatched thread-local attributes when OLDDECL is marked
18571 threadprivate and NEWDECL has no thread-local attributes.
18572 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
18573 (c_gimple_diagnostics_recursively): Rename from
18574 c_warn_unused_result_recursively. Invoke
18575 diagnose_omp_structured_block_errors.
18576 (check_for_loop_decls): Return a singular decl found.
18577 * langhooks.c (lhd_omp_predetermined_sharing): Return
18578 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
18579 (lhd_omp_firstprivatize_type_sizes): New.
18580 (lhd_omp_assignment): New.
18581 (lhd_omp_predetermined_sharing): New.
18582 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
18583 (struct lang_hooks_for_types): Add
18584 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
18585 omp_predetermined_sharing, omp_disregard_value_expr,
18586 omp_private_debug_clause, omp_clause_default_ctor,
18587 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
18588 (c_finish_omp_clauses): New.
18589 (c_finish_bc_stmt): Diagnose break within omp for.
18590 (c_begin_omp_parallel, c_finish_omp_parallel): New.
18591 (build_unary_op): Return error_mark after reporting
18593 (build_modify_expr): Likewise.
18594 * gimplify.c: Include optabs.h and pointer-set.h.
18595 (enum gimplify_omp_var_data): Declare.
18596 (struct gimplify_omp_ctx): Declare.
18597 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
18599 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
18600 (push_gimplify_context, pop_gimplify_context): Allow nesting.
18601 (splay_tree_compare_decl_uid): New.
18602 (new_omp_context): New.
18603 (delete_omp_context): New.
18604 (gimple_add_tmp_var): Call omp_add_variable.
18605 (gimplify_bind_expr): Likewise.
18606 (gimplify_var_or_parm_decl): If omp_notice_variable returned
18607 true, disregard DECL_VALUE_EXPR on the decl if any.
18608 (gimplify_expr_in_ctx): New.
18609 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
18610 omp_add_variable, omp_notice_variable, omp_is_private
18611 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
18612 gimplify_adjust_omp_clauses, gimplify_omp_parallel
18613 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
18614 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
18615 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
18616 gimplify_omp_atomic): New.
18617 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18618 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18619 OMP_CRITICAL and OMP_ATOMIC.
18620 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
18621 * c-pragma.h (enum pragma_kind): Add
18622 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
18623 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
18624 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
18625 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
18626 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
18627 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
18628 PRAGMA_OMP_THREADPRIVATE.
18629 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18630 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18631 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
18632 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
18633 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
18634 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
18635 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
18636 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
18637 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
18638 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
18639 * tree-ssa-dce.c (find_control_dependence): Do not assume that
18640 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
18641 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
18643 (struct nesting_info): Add field_map,
18644 suppress_expansion, debug_var_chain.
18645 (create_nesting_tree): Initialize them.
18646 (lookup_field_for_decl): Use field_map.
18647 (get_nonlocal_debug_decl, get_local_debug_decl): New.
18648 (convert_local_omp_clauses): New.
18649 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
18650 (walk_body): Split out of walk_function.
18651 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
18652 (convert_nonlocal_reference): Handle omp statements.
18653 (convert_local_reference): Likewise.
18654 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
18655 (unnest_nesting_tree): New.
18656 (lower_nested_functions): Call it.
18657 (insert_field_into_struct): Make extern.
18658 (struct walk_stmt_info): Move to tree-gimple.h.
18659 (walk_stmts): Make extern.
18660 * omp-builtins.def: New file.
18661 * tree-iterator.c (expr_only): Clarify comment.
18662 * c-common.h (pushdecl_top_level, pushdecl,
18663 build_modify_expr, build_indirect_ref,
18664 c_finish_omp_master, c_finish_omp_critical,
18665 c_finish_omp_ordered, c_finish_omp_barrier,
18666 c_finish_omp_atomic, c_finish_omp_flush,
18667 c_finish_omp_for, c_split_parallel_clauses,
18668 omp_clause_default_kind, c_omp_sharing_predetermined,
18669 c_omp_remap_decl): Declare.
18670 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
18671 (OBJS-common): Add omp-low.o.
18672 (c-omp.o, omp-low.o): Add.
18673 (gimplify.o): Add dependency on $(OPTABS_H).
18674 (GTFILES): Add omp-low.c.
18675 (gt-stringpool.h): Add.
18676 * tree-cfg.c (set_bb_for_stmt): Do not update the
18677 block-to-labels map if we are currently expanding to RTL.
18678 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
18680 Handle IDENTIFIER_NODE.
18681 (tree_verify_flow_info): Do not ICE when emitting error
18682 messages about invalid labels.
18683 (dump_function_to_file): Reset CFUN before emitting the body
18685 (debug_function): New.
18686 * passes.c (init_optimization_passes): Schedule
18688 * langhooks-def.h (lhd_omp_predetermined_sharing,
18689 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
18691 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
18692 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
18693 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
18694 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
18695 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
18696 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
18697 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
18698 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
18699 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
18700 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
18701 (LANG_HOOK_DECLS): Use them.
18703 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
18704 Richard Henderson <rth@redhat.com>
18705 Jakub Jelinek <jakub@redhat.com>
18706 Diego Novillo <dnovillo@redhat.com>
18708 * c-parser.c (pragma_omp_clause): Define.
18709 (c_parser_declaration_or_fndef): Document OpenMP syntax.
18710 (c_parser_compound_statement): Likewise.
18711 (c_parser_statement): Likewise.
18712 (c_parser_pragma): Handle omp pragmas.
18713 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
18714 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
18715 (c_parser_omp_clause_name, check_no_duplicate_clause,
18716 c_parser_omp_variable_list,
18717 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
18718 c_parser_omp_clause_copyprivate,
18719 c_parser_omp_clause_default,
18720 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
18721 c_parser_omp_clause_lastprivate,
18722 c_parser_omp_clause_nowait,
18723 c_parser_omp_clause_num_threads,
18724 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
18725 c_parser_omp_clause_reduction,
18726 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
18727 c_parser_omp_all_clauses, c_parser_omp_structured_block,
18728 c_parser_omp_atomic, c_parser_omp_barrier,
18729 c_parser_omp_critical, c_parser_omp_flush,
18730 c_parser_omp_for_loop, c_parser_omp_for,
18731 c_parser_omp_master, c_parser_omp_ordered,
18732 c_parser_omp_sections_scope, c_parser_omp_sections,
18733 c_parser_omp_parallel, c_parser_omp_single,
18734 c_parser_omp_construct, c_parser_omp_threadprivate): New.
18735 * c-pragma.c (init_pragma): Do omp pragma registration here.
18736 * c.opt (fopenmp): New flag.
18738 2006-01-18 Eric Christopher <echristo@apple.com>
18740 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
18741 * config/darwin.h (GOMP_SELF_SPECS): Define.
18743 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18745 * rtl.h: Remove the prototype for reg_alloc.
18747 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18750 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
18751 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
18752 sjlj and dwarf2 exception handling.
18753 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
18754 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
18755 * pa/pa.c (function_value): Treat complex and vector types as
18757 (function_arg): Likewise. Only pass scalar floats in the floating
18758 point argument registers.
18759 * pa/t-slibgcc-dwarf-ver: New file.
18760 * pa/t-slibgcc-sjlj-ver: New file.
18761 * pa/t-slibgcc-elf-ver: Delete file.
18763 2006-01-19 Alan Modra <amodra@bigpond.net.au>
18765 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
18766 unlikely_test_section_p test.
18768 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18770 * mode-switching.c (optimize_mode_switching): Make it static.
18771 * basic-block.h: Remove the prototype for
18772 optimize_mode_switching.
18774 * modulo-sched.c (sms_schedule): Make it static.
18775 * rtl.h: Remove the prototype for sms_schedule.
18777 * postreload-gcse.c (gcse_after_reload_main): Make it static.
18778 * rtl.h: Remove the prototype for gcse_after_reload_main.
18780 * reg-stack.c (reg_to_stack): Make it static.
18781 * rtl.h: Remove the prototype for reg_to_stack.
18783 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
18785 * rtl.h: Remove the prototypes for regrename_optimize and
18786 copyprop_hardreg_forward.
18788 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
18790 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
18791 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
18792 Test against the appropriate null constant for the mode.
18793 If 'fixup_overlap' is true, swap the operands if they overlap.
18794 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
18795 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
18796 alpha_split_tmode_pair and adjust for above change.
18797 * config/alpha/alpha.md (movtf_internal): Adjust call to
18798 alpha_split_tfmode_pair and rely on it to swap the operands.
18799 (movti_internal): New insn and post-reload splitter.
18800 (movti): New expander.
18802 2006-01-18 Philippe De Muyter <phdm@macqel.be>
18804 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
18807 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18809 * rtlanal.c (global_reg_mentioned_p_1,
18810 global_reg_mentioned_p): Remove.
18811 * rtl.h: Remove the prototype for global_reg_mentioned_p.
18813 * flow.c (initialize_uninitialized_subregs): Make it static.
18814 * rtl.h: Remove the prototype for
18815 initialize_uninitialized_subregs.
18817 * function.c (instantiate_virtual_regs): Make it static.
18818 * function.h: Remove the prototype for
18819 instantiate_virtual_regs.
18821 * regmove.c (regmove_optimize, combine_stack_adjustments):
18823 * rtl.h: Remove the prototypes for regmove_optimize and
18824 combine_stack_adjustments.
18826 2006-01-17 Roger Sayle <roger@eyesopen.com>
18828 * config/i386/i386.c (COSTS_N_BYTES): New macro.
18829 (size_cost): Encode costs in bytes so that a reg-reg addition is
18830 equivalent to COSTS_N_INSNS(1).
18831 (override_options): Use the size_cost.branch_cost as the default
18832 ix86_branch_cost when optimizing for size.
18834 2006-01-18 Ben Elliston <bje@au.ibm.com>
18836 * Makefile.in (D32PBIT_FUNCS): New.
18837 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
18838 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
18839 D64PBIT_FUNCS and D128PBIT_FUNCS.
18840 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
18841 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
18843 (decnumber_dep): Define.
18844 * doc/libgcc.texi (Decimal float library routines): New node.
18845 * config/dfp-bit.h, config/dfp-bit.c: New files.
18847 2006-01-18 Ben Elliston <bje@au.ibm.com>
18849 * expr.c (emit_move_change_mode): Always adjust addresses, not
18850 just during reload. Copy replacements only during reload.
18851 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
18852 emit_move_via_integer.
18854 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
18856 * Makefile.in (check-%, check-consistency): Use $${srcdir}
18857 instead of $(srcdir) and ${srcdir}.
18859 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
18862 PR middle-end/11135
18863 * arm.h (struct machine_function): Add pic_reg.
18864 * arm.c (arm_pic_register): Make unsigned.
18865 (arm_override_options): Only set arm_pic_register if
18866 TARGET_SINGLE_PIC_BASE.
18867 (use_return_insn): Only test for a pic register if it is fixed.
18868 (arm_compute_save_reg0_reg12_mask): Likewise.
18869 (thumb_compute_save_reg_mask): Likewise.
18870 (legitimate_pic_operand): Factor out some known invariants.
18871 (legitimize_pic_address): If we don't have a fixed pic register,
18872 then set up a pseudo in the function entry sequence. Handle the
18873 pic base being in a pseudo.
18874 (arm_load_pic_register): Handle the pic register being in a pseudo.
18875 (arm_expand_prologue): Only set up the pic register if it is fixed.
18876 (thumb_expand_prologue): Likewise.
18877 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
18878 (pic_load_addr_based_insn): Likewise.
18879 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
18882 2006-01-18 Ben Elliston <bje@au.ibm.com>
18884 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
18885 decimal float modes for all floating point registers.
18887 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
18888 match_code "mem" with match_test "macho_lo_sum_memory_operand".
18890 2006-01-17 Jakub Jelinek <jakub@redhat.com>
18893 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
18894 even when the pointer is not NULL.
18896 2006-01-16 Ian Lance Taylor <ian@airs.com>
18898 * common.opt (ftoplevel-reorder): New option.
18899 * cgraph.c (cgraph_asm_nodes): New global variable.
18900 (cgraph_asm_last_node): New static variable.
18901 (cgraph_order): New global variable.
18902 (cgraph_create_node): Set new order field.
18903 (cgraph_varpool_node): Likewise.
18904 (decide_is_variable_needed): Return true if not
18905 flag_toplevel_reorder.
18906 (cgraph_add_asm_node): New function.
18907 * cgraph.h (struct cgraph_node): Add order field.
18908 (struct cgraph_varpool_node): Add order field.
18909 (struct cgraph_asm_node): Define.
18910 (cgraph_asm_nodes, cgraph_order): Declare.
18911 (cgraph_add_asm_node): Declare.
18912 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
18914 (cgraph_varpool_assemble_pending_decls): Call it.
18915 (cgraph_output_pending_asms): New static function.
18916 (cgraph_finalize_compilation_unit): Call it.
18917 (struct cgraph_order_sort): Define.
18918 (cgraph_output_in_order): New static function.
18919 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
18920 !flag_toplevel_reorder case.
18921 * c-parser.c: Include "cgraph.h".
18922 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
18924 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
18925 than -fno-unit-at-a-time.
18926 * doc/invoke.texi (Option Summary): Mention
18927 -fno-toplevel-reorder.
18928 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
18929 -funit-at-a-time documentation.
18931 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
18932 Kazu Hirata <kazu@codesourcery.com>
18934 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
18936 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
18938 * Makefile.in (FUNCTION_H): New. Use it instead of
18939 function.h throughout the file.
18940 * function.h: Include tree.h.
18942 2006-01-17 Ben Elliston <bje@au.ibm.com>
18944 * recog.c: Separate some functions with whitespace.
18946 2006-01-16 Richard Henderson <rth@redhat.com>
18948 Merge from gomp branch:
18949 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
18950 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
18951 and rename from struct inline_data. Rename callee* to dst*;
18952 caller* to src*; add copy_decl hook, transform_call_graph_edges,
18953 transform_new_cfg, transform_return_to_modify, and
18954 transform_lang_insert_block flags; remove cloning_p, versioning_p,
18956 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
18957 (copy_decl_for_dup): Remove.
18958 * tree-inline.c (struct inline_data): Move to header.
18959 (insert_decl_map): Export.
18960 (remap_decl): Update for member name changes. Use copy_decl hook.
18961 Allow for replacement to be a non-decl. Remove dead code.
18962 (remap_type_1): Check for existing mapping.
18963 (remap_type): Export.
18964 (remap_decls): Update for member name changes.
18965 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
18966 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
18967 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
18968 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
18969 (tree_function_versioning, build_duplicate_type): Likewise.
18970 (copy_body_r): Likewise. Export.
18971 (copy_decl_for_dup): Split into ...
18972 (copy_decl_for_dup_finish, copy_decl_to_var,
18973 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
18974 (replace_ref_tree, inlining_p): Remove.
18976 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18978 * ifcvt.c (if_convert): Make it static.
18979 * rtl.h: Remove the prototype for if_convert.
18981 * local-alloc.c (local_alloc): Make it static.
18982 * rtl.h: Remove the prototype for local_alloc.
18984 * loop.c (loop_optimize): Make it static.
18985 * cfgloop.h: Remove the prototype for loop_optimize.
18988 2006-01-16 DJ Delorie <dj@redhat.com>
18990 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
18993 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18995 * pa.md: Disparage copies between general and floating-point registers
18996 in 32-bit move patterns.
18998 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
19001 * Makefile.in (check-%): Depend on site.exp instead of
19002 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
19005 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19007 * global.c (global_alloc): Make it static.
19008 * rtl.h: Remove the prototype for global_alloc.
19010 2006-01-16 Richard Guenther <rguenther@suse.de>
19012 * tree-ssa-alias.c (struct used_part): Add write_only field.
19013 (get_or_create_used_part_for): Initialize it to true.
19014 (create_overlap_variables_for): Don't create structure variables
19015 for structures that only are written to.
19016 (find_used_portions): Handle MODIFY_EXPR to track whether a
19017 structure is only written to.
19019 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19021 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
19023 * basic-block.h: Remove the prototype for
19024 partition_hot_cold_basic_blocks.
19026 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
19028 * cppspec.c (lang_specific_spec_functions): Remove.
19029 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
19030 * gcc.h (lang_specific_spec_functions): Remove.
19031 * gccspec.c (lang_specific_spec_functions): Remove.
19033 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
19035 * combine.c (record_value_for_reg): Invalidate registers
19037 (record_dead_and_set_regs_1): Likewise, by passing them to
19038 record_value_for_reg.
19039 (record_dead_and_set_regs): Invalidate stores made by a
19040 call. We do not combine across a call, but we still
19041 relied on equivalences.
19043 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
19045 * tree-vrp.c (extract_range_from_binary_expr): Cope with
19046 vrp_int_const_binop returning non-constant nodes.
19048 2006-01-16 Paul Brook <paul@codesourcery.com>
19050 * config/m68k/m68k.c (output_move_const_into_data_reg):
19051 Output correct mnemonic for mvz and mvs.
19053 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
19055 * rtl-factoring.c: Add sequence abstraction algorithm.
19056 * cfgcleanup.c (outgoing_edges_match): Extra checks.
19057 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
19059 (block_has_preserve_label): New function.
19060 * common.opt: Register new pass.
19061 * Makefile.in: Ditto.
19063 * timevar.def: Ditto.
19064 * tree-pass.h: Ditto.
19065 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
19066 * rtl.h (make_jump_insn_raw): Add forward decl.
19067 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
19069 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
19070 Roger Sayle <roger@eyesopen.com>
19072 * fold-const.c (fold_minmax): New static function.
19073 (fold_binary) <MIN_EXPR>: Call it.
19074 <MAX_EXPR>: Likewise.
19075 * stor-layout.c (place_field): Use DECL_SIZE consistently
19076 in the computation of the new record size.
19078 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19080 * cse.c (cse_condition_code_reg): Make it static.
19081 * rtl.h: Remove the prototype for cse_condition_code_reg.
19083 * combine.c (combine_instructions): Make it static.
19084 * rtl.h: Remove the prototype for combine_instructions.
19086 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19089 * tree.c (get_file_function_name_long): Concatenate the first global
19090 object name with a string derived from the input filename of the object
19093 2006-01-16 Ben Elliston <bje@au.ibm.com>
19095 * config/i386/winnt-stubs.c: Update FSF address.
19096 * config/xtensa/ieee754-df.S: Ditto.
19097 * config/xtensa/ieee754-sf.S: Ditto.
19099 2006-01-14 Ian Lance Taylor <ian@airs.com>
19101 * ifcvt.c (noce_init_if_info): New static function, broken out of
19102 noce_process_if_block.
19103 (noce_process_if_block): Call noce_init_if_info.
19104 (check_cond_move_block): New static function.
19105 (cond_move_process_if_block): New static function.
19106 (process_if_block): Call cond_move_process_if_block.
19108 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
19110 * cselib.c (hash_table): Rename to cselib_hash_table.
19111 (cselib_clear_table, discard_useless_values,
19112 remove_useless_values, cselib_lookup_mem, cselib_lookup,
19113 cselib_init, cselib_finish): Adjust uses of hash_table.
19115 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
19117 PR tree-optimization/25485
19118 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
19119 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
19120 is known to be false and true, respectively.
19122 2006-01-14 Richard Guenther <rguenther@suse.de>
19124 PR tree-optimization/22548
19125 PR tree-optimization/22555
19126 PR tree-optimization/22501
19127 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
19128 * params.def (salias-max-array-elements): New parameter.
19129 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
19130 * doc/invoke.texi (salias-max-array-elements): Document.
19131 * tree-flow-inline.h (var_can_have_subvars): We also handle
19133 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
19135 * tree-ssa-structalias.c (params.h): Include.
19136 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
19137 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
19138 (get_constraint_for): For ADDR_EXPR operating on something
19139 containing an ARRAY_REF, add all subvars to the solution.
19140 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
19141 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
19142 for creating MUST_DEFs.
19143 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
19145 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
19147 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
19149 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
19150 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
19151 number_of_iterations_le): New functions.
19152 (number_of_iterations_special): Removed.
19153 (number_of_iterations_exit): Do not use number_of_iterations_special.
19154 * tree.c (unsigned_type_for): Always return integer type.
19156 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
19157 Richard Guenther <rguenther@suse.de>
19159 PR rtl-optimization/24257
19160 * gcse.c (find_moveable_store): Only consider a store movable
19161 when the SET_SRC of the insn can be assigned to a register.
19163 2006-01-14 Ian Lance Taylor <ian@airs.com>
19165 * tree.c (tree_not_class_check_failed): New function.
19166 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
19167 (tree_not_class_check_failed): Declare.
19169 2006-01-13 Ian Lance Taylor <ian@airs.com>
19171 * reload1.c (do_output_reload): Add assertion rejecting a
19174 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
19176 * combine.c (struct reg_stat): Add new fields truncation_label and
19178 (record_value_for_reg): Reset truncated_to_mode.
19179 (record_truncated_value): New function.
19180 (check_promoted_subreg): Call it. Rename to check_conversions.
19181 (combine_instructions): Rename check_promoted_subreg to
19183 (reg_truncated_to_mode): New function.
19184 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
19185 (gen_lowpart_or_truncate): New function.
19186 (force_to_mode): Use it instead of gen_lowpart.
19188 2006-01-13 Diego Novillo <dnovillo@redhat.com>
19190 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
19191 VAR is a tag, not its type tag.
19193 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
19195 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
19196 alternatives to match style of other entries.
19197 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
19199 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
19201 PR tree-optimization/25771
19202 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
19205 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
19208 * tree-inline.c (declare_return_variable): If the return variable
19209 was marked as a non gimple complex, set the return slot variable
19210 to be a non gimple comple variable.
19212 2006-01-13 Richard Guenther <rguenther@suse.de>
19214 * builtins.c (expand_builtin_sincos): New function.
19215 (expand_builtin_mathfn_3): Remove dead code, sin and cos
19217 (expand_builtin): Expand sincos using expand_builtin_sincos.
19219 2006-01-12 DJ Delorie <dj@redhat.com>
19221 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
19222 shift counts, separate SI shifts for m32c vs m16c, pass shift type
19223 so that constant shifts can be split.
19224 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
19225 (m32c_valid_pointer_mode): Make static.
19226 (shift_gen_func_for): New.
19227 (m32c_prepare_shift): Use it. Split large const shifts into
19229 * config/m32c/predicates.md (shiftcount_operand): Allow more
19231 (longshiftcount_operand): New.
19232 * doc/md.texi (Machine Constraints): Document In6.
19234 2006-01-13 Ben Elliston <bje@au.ibm.com>
19236 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
19237 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
19240 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
19242 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
19243 to try to avoid clobbering pieces of structures when we know
19244 something about the whole structure.
19245 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
19247 2006-01-13 Ben Elliston <bje@au.ibm.com>
19249 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
19250 return in memory, as this is no limitation is no longer present.
19252 2006-01-12 DJ Delorie <dj@redhat.com>
19254 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
19255 mova with fb, and for fb+0 -> An.
19257 * config/m32c/mov.md (peephole2): Fix enabling logic.
19259 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
19260 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
19261 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
19262 FINI_ARRAY_SECTION_ASM_OP): Define.
19264 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
19266 (m32c_legitimize_reload_address): New logic to reload FB to An.
19267 (m32c_output_reg_push): Add newline.
19268 (m32c_output_reg_pop): Likewise.
19270 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
19272 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
19274 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
19276 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
19278 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19280 * config/sh/predicates.md (sh_rep_vec): Add parallel to
19283 2006-01-11 Ben Elliston <bje@au.ibm.com>
19285 * rtlanal.c (find_reg_note): Assert insn is not null.
19287 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19289 * df-scan.c (df_hard_reg_init): Move declaration of i outside
19292 2006-01-11 Jeff Law <law@redhat.com>
19294 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
19296 (mark_threaded_blocks, register_jump_thread): New functions.
19297 (thread_through_all_blocks): Remove unwanted argument. No
19298 longer rely on e->aux to communicate thread target info.
19299 Call mark_threaded_blocks. Release the threaded_blocks
19300 bitmap and threaded_edges vector when complete.
19301 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
19302 (threaded_blocks): Remove.
19303 (tree_ssa_dominator_optimize): Remove initialization and
19304 finalization of threaded_blocks. Simplify call to
19305 thread_through_all_blocks.
19306 (thread_across_edge): Call register_jump_thread rather than
19307 storing thread information into e->aux.
19308 (free_all_edge_infos): Simplify now that e->aux is no longer
19309 used to communicate with thread_through_all_blocks.
19310 * tree-flow.h (thread_through_all_blocks): Update prototype.
19311 (register_jump_thread): Prototype.
19313 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19315 * df-core.c (df_compact_blocks, df_bb_replace): Use
19316 SET_BASIC_BLOCK instead of BASIC_BLOCK.
19318 2006-01-11 Richard Guenther <rguenther@suse.de>
19320 PR tree-optimization/25734
19321 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
19322 stop propagation after successful propagation to the LHS.
19324 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19326 * basic-block.h (control_flow_graph): Change the type of
19327 x_basic_block_info to VEC(basic_block,gc) *.
19328 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
19330 (SET_BASIC_BLOCK): New.
19331 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
19332 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
19333 * cfgbuild.c (find_basic_blocks): Likewise.
19334 * cfglayout.c (fixup_reorder_chain): Likewise.
19335 * cfgrtl.c (create_basic_block_structure,
19336 rtl_create_basic_block): Likewise.
19337 * ifcvt.c (find_if_case_1): Likewise.
19338 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
19341 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19343 * Makefile.in: Removed rotted odf.c entry.
19345 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
19348 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
19349 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
19350 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
19351 output pattern modifier, not %e.
19352 * config/cris/cris.c (cris_op_str): Update comment about pattern
19354 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
19355 before falling through into...
19356 <case 'E'>: Redefined from old 'e' case.
19358 2006-01-11 Jan Hubicka <jh@suse.cz>
19361 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
19363 2006-01-11 Jan Hubicka <jh@suse.cz>
19365 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
19366 * i386.c (x86_decompose_lea): Kill.
19367 (ix86_rtx_costs): Kill.
19369 2006-01-11 Jan Hubicka <jh@suse.cz>
19371 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
19372 * cgraph.h (cgraph_node): Add inline_decl.
19373 (cgraph_insert_node_to_hashtable): Declare.
19374 (save_inline_function_body): Declare.
19375 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
19377 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
19378 (cgraph_function_versioning): Update call of tree_function_versioning.
19379 (save_inline_function_body): New function.
19380 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
19381 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
19382 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
19383 (cgraph_default_inline_p): Likewise.
19384 (cgraph_decide_inlining_incrementally): Likewise.
19385 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
19386 (copy_bb): Kill saving; do updating of clones.
19387 (copy_cfg_body): Kill saving.
19388 (initialize_inlined-parameters): Likewise.
19389 (expand_call_inline): Likewise.
19391 (tree_function_versioning): New parameter "update_clones".
19392 (inlining_p): Kill saving.
19393 * tree-inline.h (tree_function_versioning): Update prototype.
19394 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
19397 2006-01-11 Ian Lance Taylor <ian@airs.com>
19399 * combine.c (struct undo): Remove is_int. Enumify types of undos.
19400 Allow undoing set of machine mode.
19401 (do_SUBST): Use enums instead of is_int.
19402 (do_SUBST_MODE): New function.
19403 (SUBST_MODE): New macro.
19404 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
19405 reg and trying to replace reg_regno_rtx with a new register.
19406 (undo_all): Use new enums, handle undoing a PUT_MODE change.
19407 (simplify_set): Use SUBST_MODE.
19408 (distribute_notes): Remove code that tried to update reg notes
19409 for regno_reg_rtx changes.
19411 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
19413 PR tree-optimization/23109
19414 PR tree-optimization/23948
19415 PR tree-optimization/24123
19417 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
19418 * tree-cfg.c (single_noncomplex_succ): New.
19419 * tree-flow.h (single_noncomplex_succ): Declare it.
19420 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19421 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19422 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
19423 insert_bb, register_division_in, insert_reciprocals,
19424 replace_reciprocal, free_bb): New.
19425 (execute_cse_reciprocals_1): Rewritten.
19426 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
19427 Do not commit any edge insertion. Always compute dominators and
19428 create the allocation pool.
19429 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
19430 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
19431 * targhooks.c (default_min_divistions_for_recip_mul): New.
19432 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
19433 * passes.c (init_optimization_passes): Run recip after tree loop
19435 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
19437 2006-01-11 Danny Berlin <dberlin@dberlin.org>
19438 Kenneth Zadeck <zadeck@naturalbridge.com>
19440 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
19441 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
19442 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
19443 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
19444 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
19445 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
19446 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
19447 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
19448 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
19449 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
19450 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
19451 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
19452 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
19453 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
19454 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
19455 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
19456 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
19457 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
19458 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
19459 DF_SCAN_POST_ALLOC): New macros.
19460 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
19461 df_free_bb_function, df_local_compute_function, df_init_function,
19462 df_dataflow_function, df_confluence_function_0,
19463 df_confluence_function_n, df_transfer_function,
19464 df_finalizer_function, df_free_function, df_dump_problem_function,
19465 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
19466 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
19467 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
19468 df_urec_bb_info, ) New types.
19469 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
19471 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
19472 df_analyze_simple_change_some_blocks,
19473 df_analyze_simple_change_one_block, df_compact_blocks,
19474 df_bb_replace, df_bb_regno_last_use_find,
19475 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
19476 df_insn_regno_def_p, df_find_def, df_find_use,
19477 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
19478 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
19479 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
19480 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
19481 debug_df_chain, df_get_dependent_problem, df_chain_create,
19482 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
19483 df_grow_bb_info, df_chain_dump, df_print_bb_index,
19484 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
19485 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
19486 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
19487 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
19488 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
19489 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
19490 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
19491 df_ref_remove, df_insn_refs_delete, df_refs_delete,
19492 df_reorganize_refs, df_set_state, df_hard_reg_init,
19493 df_read_modify_subreg_p) New public functions.
19494 * df-core.c: The core dataflow solver and glue routines for rtl
19496 (df_init, df_add_problem, df_set_blocks, df_finish,
19497 df_hybrid_search_forward, df_hybrid_search_backward,
19498 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
19499 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
19500 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
19501 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
19502 df_reg_defined, df_find_use, df_reg_used, df_dump,
19503 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
19504 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
19505 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
19506 debug_df_useno, reset_df_after_reload): New functions.
19507 * df-scan.c: The scanning fuctions, once in df.c, completely
19508 rewritten so that they now fully model the functionality of
19509 register usage at the backend.
19510 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
19511 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
19512 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
19513 df_grow_insn_info, df_rescan_blocks, df_ref_create,
19514 df_get_artificial_defs, df_get_artificial_uses,
19515 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
19516 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
19517 df_refs_delete, df_reorganize_refs, df_set_state,
19518 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
19519 df_def_record_1, df_defs_record, df_uses_record,
19520 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
19521 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
19522 df_record_exit_block_uses, df_hard_reg_init): New functions.
19524 * df-problems.c: Seven concrete dataflow problems that use the
19525 scanning in df-scan.c and are solved by the engine in df-core.c.
19526 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
19527 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
19528 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
19529 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
19530 df_ru_free_bb_info, df_ru_alloc,
19531 df_ru_bb_local_compute_process_def,
19532 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
19533 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
19534 df_ru_transfer_function, df_ru_free, df_ru_dump,
19535 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
19536 df_rd_free_bb_info, df_rd_alloc,
19537 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
19538 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
19539 df_rd_transfer_function, df_rd_free, df_rd_dump,
19540 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
19541 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
19542 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
19543 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
19544 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
19545 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
19546 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
19547 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
19548 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
19549 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
19550 df_urec_mark_reg_change, df_urec_check_earlyclobber,
19551 df_urec_mark_reg_use_for_earlyclobber,
19552 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
19553 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
19554 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
19555 df_urec_dump, df_urec_add_problem, df_chain_alloc,
19556 df_chain_create_bb_process_use, df_chain_create_bb,
19557 df_chain_finalize, df_chain_free, df_chains_dump,
19558 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
19559 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
19560 df_reg_lifetime): New functions.
19561 * df.c: Deleted file.
19562 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
19563 consistent with new df api.
19564 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
19565 rest_of_handle_sms): Ditto.
19566 * web.c (unionfind_union, union_defs, entry_register, web_main):
19568 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
19569 invariant_expr_equal_p, find_defs, check_dependencies,
19570 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
19571 free_inv_motion_data, move_loop_invariants): Ditto.
19572 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
19573 Update dependencies.
19574 (odf.c): Added defective entry that was deleted later in day.
19575 * sched-deps.c (sched_analyze_1): Ditto.
19577 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
19579 * tree-ssa-operands.c (get_expr_operands): Record addressable
19580 variables directly. Do not call add_stmt_operands for CONST_DECLs
19582 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
19583 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
19585 2006-01-11 Ben Elliston <bje@au.ibm.com>
19587 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
19588 function returns true in the positive case.
19590 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19593 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
19594 for SI, DI, SF and DF modes. Add alternatives to copy between
19595 general and floating point registers to the 32-bit patterns.
19596 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
19597 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
19598 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
19599 generating 64-bit code.
19600 * config/pa/pa.c (output_move_double): Handle copies between general
19601 and floating registers.
19603 2006-01-10 Stuart Hastings <stuart@apple.com>
19605 * config/i386/i386.md (set_got): Update.
19606 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
19607 (builtin_setjmp_receiver): Mach-O support.
19608 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
19609 (GOT_SYMBOL_NAME): Define.
19610 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
19611 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
19612 * config/i386/i386.c (override_options): Revise for Darwin.
19613 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
19614 support. (darwin_x86_file_end): New. (output_set_got): Add label
19615 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
19616 * config/i386/i386-protos.h (output_set_got): Likewise.
19617 * config/darwin.c (machopic_legitimize_pic_address): Update
19620 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
19622 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
19623 when MODE isn't BLKmode.
19625 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
19627 PR rtl-optimization/25367
19628 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
19630 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
19633 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
19634 for a negative bound.
19636 2006-01-10 Richard Guenther <rguenther@suse.de>
19638 * tree-ssa-structalias.c (get_constraint_for_component_ref):
19639 Never override with anything constraint.
19641 2006-01-10 Jan Beulich <jbeulich@novell.com>
19643 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
19644 256 bits when optimize_size.
19646 2006-01-10 Jan Beulich <jbeulich@novell.com>
19648 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
19650 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
19651 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
19654 2006-01-10 Ben Elliston <bje@au.ibm.com>
19656 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
19658 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
19659 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
19660 (USE_FP_FOR_ARG): Reject decimal float modes.
19661 (function_arg_advance): Likewise.
19662 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
19663 (rs6000_handle_altivec_attribute): Do not permit decimal floating
19664 point types in AltiVec vectors.
19665 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
19666 (rs6000_libcall_value): Likewise.
19668 2006-01-09 Bob Wilson <bob.wilson@acm.org>
19670 * config/xtensa/ieee754-df.S: New file.
19671 * config/xtensa/ieee754-sf.S: New file.
19672 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
19673 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
19674 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
19676 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
19678 * config/sh/predicates.md (binary_float_operator,
19679 binary_logical_operator, commutative_float_operator,
19680 equality_comparison_operator, greater_comparison_operator,
19681 less_comparison_operator, logical_operator,
19682 noncommutative_float_operator, shift_operator,
19683 symbol_ref_operand, unary_float_operator): Remove redundant
19686 2006-01-09 Jeff Law <law@redhat.com>
19688 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
19689 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
19690 now unused arguments. Callers updated.
19691 (eliminate_redundant_computations): Remove now unused arguments,
19693 (local_fold): Remove, no longer used.
19694 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
19696 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
19697 (simplify_cond): New function.
19698 (forward_propagate_into_cond): Call simplify_cond.
19700 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
19702 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
19703 (*vec_extractv2di_1_sse): New.
19705 2006-01-09 Ben Elliston <bje@au.ibm.com>
19707 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
19709 2006-01-08 Richard Guenther <rguenther@suse.de>
19711 * tree-ssa-structalias.c (get_constraint_for): Remove
19712 anyoffset argument.
19713 (get_constraint_for_component_ref): Likewise.
19714 (do_deref): Likewise.
19715 (get_constraint_for): Likewise.
19716 (do_structure_copy): Likewise.
19717 (handle_ptr_arith): Likewise.
19718 (find_func_aliases): Likewise. Remove unused need_anyoffset
19721 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
19722 Kaz Kojima <kkojima@gcc.gnu.org>
19724 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
19725 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
19726 (EXTRA_CONSTRAINT_C16): Remove.
19727 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
19728 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
19729 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
19730 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
19731 constants of SHmedia. Handle nested constant expressions of
19733 (andcosts): Fix the costs for SHmedia constants.
19734 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
19735 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
19736 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
19737 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
19738 (movv4hi_i, movv2si_i): Likewise.
19739 (movsi_const): Adjust the second operand of ior so to match with
19740 the Csu constraint.
19741 (movdi_const, movdi_const_32bit): Likewise.
19742 (movdi_const_16bit+1): Don't sign-extend LOW.
19743 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
19745 (*double_shori): Fix the split condition. Use GEN_INT instead
19746 of get_int_mode calls. Mask lower 16-bit of the argument of
19748 (sym2GOTPLT): Remove.
19749 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
19751 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
19752 instead of EXTRA_CONSTRAINT_C16.
19754 2006-01-07 Ian Lance Taylor <ian@airs.com>
19755 David Edelsohn <edelsohn@gnu.org>
19757 PR rtl-optimization/25662
19758 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
19759 for constant operands instead of simplify_gen_binary.
19760 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
19761 after trying simplify_binary_operation
19763 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
19765 * tree.c (iterative_hash_expr): Hash decls based on UID.
19767 2006-01-06 Eric Christopher <echristo@apple.com>
19769 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
19770 (TARGET_UNWIND_EMIT): Fix spelling.
19771 * target.h (gcc_target): Add except_table_label.
19772 * except.c (output_function_exception_table): Use.
19773 * varasm.c (default_emit_except_table_label): New.
19774 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
19776 (asm_out): Add here.
19777 * output.h (default_emit_except_table_label): Prototype.
19778 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
19779 * config/darwin.c (darwin_emit_except_table_label): Define.
19780 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
19782 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
19784 PR tree-optimization/18527
19785 * tree-ssa-loop-niter.c (number_of_iterations_cond,
19786 number_of_iterations_special, number_of_iterations_exit):
19787 Move base and step of an iv to a single structure. Add
19788 no_overflow flag, and use it in # of iterations analysis.
19789 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
19790 folded_casts argument.
19791 (simple_iv): Pass base and step in a structure. Set no_overflow
19793 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
19794 Evaluate expensiveness of computing # of iterations instead of
19795 the final expression.
19796 * tree-scalar-evolution.h (affine_iv): New structure.
19797 (simple_iv): Declaration changed.
19798 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
19799 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
19800 find_givs_in_stmt): Changed due to simple_iv change.
19802 2006-01-06 Jeff Law <law@redhat.com>
19805 * tree-cfg.c (bsi_replace): Rename final argument from
19806 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
19807 change (stmt -> orig_stmt).
19808 * tree-eh.c (verify_eh_throw_stmt_node): New function.
19809 (bsi_remove): Add new argument. Remove EH information
19811 (verify_eh_throw_table_statements): New function.
19812 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
19814 * tree-optimize.c (execute_free_cfg_annotations): Verify
19815 the EH throw statement table after removing annotations.
19816 * except.h (verify_eh_throw_table_statements): Prototype.
19817 * tree-flow.h (bsi_remove): Update prototype.
19818 * tree-vrp.c (remove_range_assertions): Add new argument to
19820 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
19821 * tree-complex.c (expand_complex_div_wide): Likewise.
19822 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
19823 * tree-tailcall.c (eliminate_tailcall): Likewise.
19824 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
19825 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
19826 * tree-nrv.c (tree_nrv): Likewise.
19827 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
19828 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
19829 (combine_blocks): Likewise.
19830 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
19831 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
19832 (cleanup_control_flow): Likewise.
19833 (remove_forwarder_block): Likewise.
19834 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
19835 * tree-sra.c (sra_replace): Likewise.
19836 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
19837 (forward_propagate_single_use_vars): Likewise.
19838 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
19839 * tree-inline.c (expand_call_inline): Likewise.
19840 * tree-vect-transform.c (vect_transform_loop): Likewise.
19841 * tree-outof-ssa.c (rewrite_trees): Likewise.
19842 * tree-cfg.c (make_goto_expr_edges): Likewise.
19843 (cleanup_dead_labels): Likewise.
19844 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
19845 (bsi_move_before, bsi_move_after): Likewise.
19846 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
19847 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
19849 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
19852 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
19854 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
19855 on non gimple variables. Also add checks at the top for decls and
19857 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
19859 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
19860 and IMAGPART_EXPR for creating MUST_DEFs.
19861 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
19862 and NAME_MEMORY_TAG separately from the DECLs.
19864 2006-01-06 Richard Guenther <rguenther@suse.de>
19866 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
19867 annotation, if necessary.
19868 * tree-ssa-pre.c (create_expression_by_pieces): Remove
19869 redundant calls to update_stmt.
19870 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
19873 2006-01-05 Richard Henderson <rth@redhat.com>
19875 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
19877 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19879 * c-typeck.c: Update copyright date.
19881 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19883 * c-typeck.c (build_c_cast): Always warn when casting
19884 from a pointer to an integer of different size, even if
19885 the node was constant.
19887 2006-01-05 Richard Guenther <rguenther@suse.de>
19889 PR tree-optimization/22555
19890 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
19891 if one structure field is an array.
19892 * tree-ssa-operands.c (get_expr_operands): Continue scanning
19893 operands even if we found a subvar, but ignore VOPs in this
19895 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
19897 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
19899 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
19901 PR middle-end/24998
19902 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
19904 2006-01-05 Richard Guenther <rguenther@suse.de>
19905 Diego Novillo <dnovillo@redhat.com>
19907 * tree-pass.h (TODO_remove_unused_locals): Define.
19908 * gimple-low.c (expand_var_p, remove_useless_vars,
19909 pass_remove_useless_vars): Remove. Update all users.
19910 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
19911 (remove_unused_locals): New function.
19912 * tree-flow.h (remove_unused_locals): Declare.
19913 * passes.c (execute_todo): Call remove_unused_locals if
19914 TODO_remove_unused_locals is set.
19915 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
19916 * tree-ssa-dce.c (pass_dce): Likewise.
19917 * tree-outof-ssa.c (pass_del_ssa): Likewise.
19919 2006-01-05 Richard Guenther <rguenther@suse.de>
19921 * tree-flow.h (struct fieldoff): Decompose field to
19922 type, size and decl.
19923 * tree-ssa-alias.c (create_sft): Take type as parameter.
19924 (create_overlap_variables_for): Store type, size and decl
19925 in the fieldoff structure.
19926 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
19927 of struct fieldoff.
19928 (push_fields_onto_fieldstack): Likewise.
19929 (create_variable_info_for): Likewise. Use offset for the
19930 SFT name if the decl is not available.
19932 2006-01-04 Paul Brook <paul@codesourcery.com>
19934 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
19936 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
19938 * lambda-code.c (can_put_in_inner_loop): Relax
19940 (can_put_after_inner_loop): New function.
19941 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
19942 (perfect_nestify): Change to make copies and modify uses.
19944 2006-01-04 Richard Henderson <rth@redhat.com>
19946 Merge from gomp branch:
19947 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
19948 via integer constant.
19949 (pragma_lex): Remove.
19950 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
19951 rather than parsing it.
19952 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
19953 handle_pragma_extern_prefix): Add %< %> quotes.
19954 (registered_pragmas): New.
19955 (c_register_pragma_1): New.
19956 (c_register_pragma): Use it.
19957 (c_register_pragma_with_expansion): Likewise.
19958 (c_invoke_pragma_handler): New.
19959 (init_pragma): Use cpp_register_deferred_pragma directly for
19961 * c-pragma.h (enum pragma_kind): New.
19962 (pragma_handler): New.
19963 (c_invoke_pragma_handler): Declare.
19964 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
19966 * c-common.h (c_common_pch_pragma): Update decl.
19967 * Makefile.in (c-parser.o): Update dependencies.
19968 (GTFILES): Add c-pragma.h.
19969 * c-parser.c (struct c_token): Add pragma_kind.
19970 (struct c_parser): Add in_pragma.
19971 (c_lex_one_token): Always initialize keyword and pragma_kind.
19972 Extract data for CPP_PRAGMA.
19973 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
19974 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
19975 Don't allow CPP_PRAGMA_EOL if in_pragma.
19976 (c_parser_consume_pragma): New.
19977 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
19978 (c_parser_skip_to_end_of_parameter): Likewise.
19979 (c_parser_skip_to_end_of_block_or_statement): Likewise.
19980 (c_parser_skip_to_pragma_eol): New.
19981 (c_parser_external_declaration): Handle CPP_PRAGMA.
19982 (c_parser_compound_statement_nostart): Likewise.
19983 (c_parser_statement_after_labels): Likewise.
19984 (c_parser_pragma): New.
19985 (pragma_lex): Likewise.
19986 (c_parser_pragma_pch_preprocess): New.
19987 (c_parser_new): Merge into ...
19988 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
19990 2006-01-04 Jeff Law <law@redhat.com>
19993 * tree-cfg.c (bsi_replace): Remove the original statement
19994 from the EH throw statement table.
19996 2006-01-04 Jakub Jelinek <jakub@redhat.com>
19998 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
19999 make the prototype extern "C" and add throw ().
20002 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
20003 and pos non-negative and pos + len <= 32.
20004 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
20005 drop pos + len < HOST_BITS_PER_WIDE_INT test.
20006 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
20009 * c-common.c (handle_vector_size_attribute): Reject zero vector size
20010 as well as sizes not multiple of component size.
20013 * function.c (instantiate_expr): New function.
20014 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
20015 walk its DECL_VALUE_EXPR with instantiate_expr.
20017 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
20018 DW_OP_deref{,_size} if address isn't going to be added.
20020 2006-01-04 Ben Elliston <bje@au.ibm.com>
20022 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
20023 * config/fp-bit.c: Likewise.
20025 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
20027 * dominance.c: Add comment about why we use DFS numbering
20030 2006-01-03 Jakub Jelinek <jakub@redhat.com>
20031 Richard Henderson <rth@redhat.com>
20033 Merge from gomp-branch:
20034 * varasm.c (assemble_variable): Handle thread-local COMMON data.
20035 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
20037 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
20039 PR rtl-optimization/25578
20040 * combine.c (combine_simplify_rtx, force_to_mode): Don't
20041 pass a parameter to simplify_shift_const if changing ASHIFTRT
20044 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
20046 * builtins.c (get_builtin_sync_mem): New function.
20047 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
20048 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
20049 Call get_builtin_sync_mem to generate mem rtx.
20051 2006-01-03 Richard Guenther <rguenther@suse.de>
20054 * stmt.c (add_case_node): Make sure to clear overflow flags
20057 2006-01-03 Jakub Jelinek <jakub@redhat.com>
20059 Merge from gomp-branch.
20060 * config/sparc/sync.md: New file.
20061 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
20062 UNSPECV_LDSTUB): New constants.
20063 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
20064 * config/sparc/predicates.md (memory_reg_operand): New predicate.
20065 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
20068 2006-01-03 Roger Sayle <roger@eyesopen.com>
20070 * combine.c (reg_subword_p): New predicate to test whether the
20071 destination of a set refers to a subword/piece of a register.
20072 (try_combine): Generalize the code to merge the setting of a
20073 pseudo to a constant followed by a set of a subword of that
20074 register to a constant.
20076 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
20078 * basic-block.h (control_flow_graph): Change the type of
20079 x_label_to_block_map to VEC(basic_block,gc) *.
20080 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
20081 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
20083 * tree-ssa-propagate.c (cfg_blocks): Change the type to
20084 VEC(basic_block,heap) *.
20085 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
20086 ssa_prop_fini): Adjust the uses of cfg_blocks.
20088 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
20090 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
20092 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
20093 hashing trees instead of a pointer hash.
20094 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
20095 compare for MEM_EXPR.
20097 PR rtl-optimization/25130
20098 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
20099 when comparing MEMs for GCSE
20101 2006-01-03 Ben Elliston <bje@au.ibm.com>
20103 * targhooks.h (default_decimal_float_supported_p): Declare.
20104 * targhooks.c (default_decimal_float_supported_p): Define.
20105 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
20106 `default_decimal_float_supported_p'.
20107 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
20109 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
20111 * combine.c (apply_distributive_law <SUBREG>): Check
20112 TRULY_NOOP_TRUNCATION.
20114 2006-01-02 Geoffrey Keating <geoffk@apple.com>
20116 * dwarf2out.c (have_switched_text_section): Delete.
20117 (have_multiple_function_sections): New.
20118 (have_location_lists): Make 'bool'.
20119 (add_AT_loc_list): Use 'true' not '1'.
20120 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
20121 (output_loc_list): Use have_multiple_function_sections.
20122 (output_ranges): Likewise.
20123 (dwarf2out_begin_function): Set have_multiple_function_sections if
20125 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
20126 Check function_section rather than DECL_SECTION_NAME.
20127 (dwarf2out_finish): Use have_multiple_function_sections.
20128 Don't clear have_location_lists.
20130 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
20131 Jan Hubicka <jh@suse.cz>
20133 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
20134 case of conditional jump jumping to the next instruction.
20135 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
20136 cases of conditional jump jumping to the next instruction.
20138 2006-01-02 Jan Hubicka <jh@suse.cz>
20140 * i386.c (*_cost): Add COSTS_N_INSNS.
20141 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
20143 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
20146 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
20148 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
20150 * config/arm/arm.c (all_fpus): Fix comment typo.
20151 * config/darwin.c: Likewise.
20152 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
20153 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
20154 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
20156 2006-01-01 David Edelsohn <edelsohn@gnu.org>
20158 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
20159 (rs6000_split_compare_and_swapqhi): New.
20160 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
20161 (sync_compare_and_swapqhi_internal): New.
20162 * config/rs6000/rs6000-protos.h: Declare.