1 2006-11-30 Janis Johnson <janis187@us.ibm.com>
3 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
5 2006-11-30 Jan Hubicka <jh@suse.cz>
7 * tree-ssa-operands.h (struct ssa_operands): New.
8 * tree-flow-inline.h (gimple_ssa_operands): New function.
9 * tree-flow.h: (struct gimple_df): Add ssa_operands.
10 * Makefile.in: Remove gt-tree-ssa-operands.h
11 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
12 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
13 operand_memory, operand_memory_index, ops_active): Remove statics.
14 (ALLOC_OPTYPE): Update.
15 (operand_build_sort_virtual): Update.
16 (ssa_operands_active): Update.
17 (init_ssa_operands): Update.
18 (fini_ssa_operands): Update.
19 (ssa_operand_alloc): Update.
20 (INITIALIZE_USE): Update.
21 (finalize_ssa_use_ops): Update.
22 (finalize_ssa_v_may_def_ops): Update.
23 (finalize_ssa_vuse_ops): Update.
24 (finalize_ssa_v_must_def_ops): Update.
26 2006-11-30 Richard Guenther <rguenther@suse.de>
28 * tree-vectorizer.h (vectorizable_function): Export.
29 * tree-vect-transform.c (vectorizable_function): Likewise.
30 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
31 type_in to scalar type in recognition of squaring.
32 Make sure the target can vectorize sqrt in recognition
33 of sqrt, set type_in to vector type in this case.
35 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
37 * config/i386/i386.md (R10_REG): New constant.
38 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
39 (ix86_emit_restore_regs_using_mov): Ditto.
40 (ix86_expand_call): Ditto.
41 (x86_output_mi_thunk): Ditto. Also use R10_REG.
43 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
45 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
46 * alias.c (canon_true_dependence): Update comment.
48 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
50 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
51 at the end of a diagnostics message.
53 * alloc-pool.c (pool_free): Postpone clearing the pool entry
54 until after asserting that it was allocated in the right pool.
56 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
57 successor edge information as well. Make output of live regs
58 on exit consistent with live regs on entry.
60 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
63 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
64 insn patterns for TARGET_80387.
65 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
66 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
67 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
68 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
69 Generate truncxf<mode>2 insn patterns for strict SSE math.
71 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
73 * config/i386/i386.md (movsf_1): Enable pattern for standard
74 80387 constants before reload when optimizing for size.
75 (*movdf_nointeger, *movdf_integer): Ditto.
76 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
77 80387 constants before reload when not optimizing for size.
79 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
80 extension of XFmode input operands.
82 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
84 * config/spu/crt0.c (__dso_handle): Define.
86 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
88 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
89 when clearing the used flags.
91 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
93 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
95 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
98 * config/spu/spu.md (extend_compare<mode>): New pattern.
99 (extend_compare): Change to expand and use the above pattern.
101 2006-11-29 Janis Johnson <janis187@us.ibm.com>
103 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
105 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
106 (DFP_INIT_ROUNDMODE): Define.
107 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
108 * mklibgcc.in: Fix dependencies for dfp-bit.c.
110 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
112 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
113 Update documentation.
114 (associate_line_notes_with_blocks): Kill.
115 (extend_bb): Remove basic block argument, put void instead.
116 Remove line number handling for each bb.
117 (save_line_notes): Kill.
118 (restore_line_notes): Kill.
119 (sched_init): Remove line_note_head initialization.
120 Change extend_bb call.
121 (sched_finish): Remove free of line_note_head.
122 (add_block): Change extend_bb call.
123 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
124 rm_line_notes and restore_line_notes calls.
125 (schedule_ebbs): Remove rm_redundant_line_notes.
126 * sched-int.h (struct haifa_insn_data): Remove line_note.
127 (save_line_notes): Remove declaration.
128 (restore_line_notes): Remove declaration.
129 * modulo-sched.c (loop_canon_p): Update debug info printing
130 by using insn locators instead of line note.
131 (sms_schedule): Update debug info printing, by using insn
132 locators instead of line note.
133 * sched-rgn.c (debug_dependencies): Remove handling of case
134 n>0 (line number), since it's a dead code.
135 (schedule_region): Remove save_line_notes and
136 restore_line_notes calls.
138 2006-11-29 Joseph Myers <joseph@codesourcery.com>
140 * config/rs6000/predicates.md (gpc_reg_operand): Check
142 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
143 SImode subregs of SPE vectors.
144 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
145 * jump.c (true_regnum): Require subregs to satisfy
146 subreg_offset_representable_p.
148 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
149 Steven Bosscher <stevenb.gcc@gmail.com>
151 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
152 since it no longer exists.
154 2006-11-29 Duncan Sands <baldrick@free.fr>
156 PR tree-optimization/23744
157 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
159 2006-11-29 Duncan Sands <baldrick@free.fr>
161 PR tree-optimization/23744
162 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
164 2006-11-29 Duncan Sands <baldrick@free.fr>
166 PR tree-optimization/23744
167 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
169 2006-11-29 Jie Zhang <jie.zhang@analog.com>
171 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
173 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
175 * sh.opt (minline-ic_invalidate): New option.
176 (musermode): Adjust comment.
177 * sh.c (sh_initialize_trampoline): Emit library call unless
178 is set; if it is set, don't emit library call if we can use icbi
180 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
181 icbi for TARGET_SH4_300.
182 * t-sh (LIB1ASMFUNCS_CACHE): Set.
183 * doc/invoke.texi: Document -minline-ic_invalidate; Update
184 -musermode documentation.
186 2006-11-29 Jim Tison <jtison@us.ibm.com>
188 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
189 __gthread_recursive_mutex_init): Define.
191 2006-11-29 Joseph Myers <joseph@codesourcery.com>
193 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
194 STRICT_ALIGNMENT and the type is more aligned than the saved
195 registers, copy via a temporary.
197 2006-11-28 Andrew Pinski <pinskia@gmail.com>
200 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
203 2006-11-28 Bob Wilson <bob.wilson@acm.org>
205 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
207 2006-11-28 Jan Hubicka <jh@suse.cz>
209 Privatize SSA variables into gimple_df.
211 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
212 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
213 gimple_nonlocal_all): New accessors.
214 (first_referenced_var): Update.
215 (mark_stmt_modified): Update.
216 (is_call_clobbered): Update.
217 (mark_call_clobbered): Update.
218 (clear_call_clobbered): Update.
219 (mark_non_addressable): Update.
220 * tree-vrp.c (get_value_range): Update.
221 * tree-into-ssa.c (in_ssa_p): Kill.
222 (get_default_def_for): Update.
223 (rewrite_into_ssa): Update.
224 * tree-complex.c (init_parameter_lattice_values): Update.
225 (update_complex_assignment): Update.
226 (update_parameter_components): Update.
227 (expand_complex_libcall): Update.
228 (expand_complex_operations_1): Update.
229 * tree-tailcall.c (arg_needs_copy_p): Update.
230 (add_virtual_phis): Update.
231 (tree_optimize_tail_calls_1): Update.
232 * tree-ssa-dse.c (memory_ssa_name_same): Update.
233 * tree-ssa-copyrename.c
234 (copy_rename_partition_coalesce): Update.
235 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
236 * tree-ssa-propagate.c (set_rhs): Update.
237 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
238 addressable_vars, global_var):Kill.
239 (set_initial_properties): Update.
240 (init_alias_info): Update.
241 (finalize_ref_all_pointers): Update.
242 (setup_pointers_and_addressables): Update.
243 (maybe_create_global_var): Update.
244 (create_global_var): Update.
245 (dump_points_to_info): Update.
246 * function.h (struct gimple_df): Forward declare.
247 (struct function): Add GIMPLE_DF field.
248 * gimplify.c (force_gimple_operand): Update.
249 * tree-dfa.c (referenced_vars, default_defs): KIll.
250 (make_rename_temp): Update.
251 (dump_variable): Update.
252 (referenced_var_lookup): Update.
253 (referenced_var_check_and_insert): Update.
254 (default_def): Rename to ...
255 (gimple_default_def): ... this one; accept cfun argument.
256 (set_default_def): Update.
257 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
258 (cleanup_control_flow): Update.
259 * tree-ssa-pre.c (compute_avail): Update
260 * tree-ssa-live.c (calculate_live_on_entry): Update.
261 * tree-ssa.c (verify_use): Update.
262 (verify_call_clobbering): Update.
263 (verify_call_clobbering): Update.
264 (init_tree_ssa): Update.
265 (delete_tree_ssa): Update.
266 * tree-outof-ssa.c (coalesce_ssa_name): Update.
267 (rewrite_out_of_ssa): Update.
268 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
269 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
271 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
272 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
273 addressable_vars, aliases_computed_p): Kill.
274 (default_def): Rename to...
275 (gimple_default_def): ... this one.
276 (defaule_def_fn): Kill.
277 (num_referenced_vars, ssa_names, num_ssa_names): Update.
278 * tree-ssa-structalias.c (nonlocal_all): Kill.
279 (get_constraint_exp_from_ssa_var): Update.
280 (create_nonlocal_var): Update.
281 (get_constraint_for): Update.
282 (update_alias_info): Update.
283 (find_global_initializers): Update.
284 (intra_create_variable_infos): Update.
285 (intra_create_variable_infos):
286 (find_what_p_points_to): Update.
287 (init_alias_heapvars): Update.
288 * tree-cfg.c (remove_bb): Update.
289 (gimplify_val): Update.
290 * tree-ssa-reassoc.c (get_rank): Update.
291 (init_reassoc): Update.
292 * tree-ssanames.c: Do not include gt-tree-ssanames.h
293 (ssa_names, free_ssanames): Kill.
294 (init_ssanames): Update.
295 (make_ssa_name): Update.
296 (release_ssa_name): Update.
297 (release_defs): Update.
298 (replace_ssa_name_symbol): Update.
299 * tree-ssa-operands.c (access_can_touch_variable): Update.
300 (add_virtual_operand): Update.
301 (add_call_clobber_ops): Update.
302 (add_call_read_ops): Update.
303 (get_call_expr_operands): Update.
304 (get_asm_expr_operands): Update.
306 2006-11-28 Jan Hubicka <jh@suse.cz>
308 * builtins.c: Include tree-flow.h.
309 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
310 assignment; convert memmove to memcpy for sizes greater than 1 where
311 alignment of operands prohibit the partial overlap.
313 2006-11-28 Jan Hubicka <jh@suse.cz>
315 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
316 * cgraph.c (dump_cgraph_node): Dump stack usage.
317 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
318 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
319 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
320 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
321 (cgraph_check_inline_limits): Limit stack growth.
322 * cfgexpand.c: Include tree-inline.h.
323 (account_stack_vars): New function.
324 (expand_one_var): New param to just account the stack; return estimated
326 (expand_used_vars_for_block): Update call of expand_one_var.
327 (account_used_vars_for_block): New function.
328 (estimated_stack_frame_size): Likewise.
329 (init_vars_expansion, fini_vars_expansion): Break out from..
330 (expand_used_vars): ... here.
331 * tree-inline.h (estimated_stack_frame_size): Declare.
332 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
334 2006-11-28 Richard Guenther <rguenther@suse.de>
336 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
337 unsigned long for printing OBJECT_SIZE.
339 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
341 * alias.c (init_alias_analysis): Remove simplification loop
342 after propagating pointers.
344 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
346 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
349 2006-11-27 Bob Wilson <bob.wilson@acm.org>
351 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
353 2006-11-27 Roger Sayle <roger@eyesopen.com>
354 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
356 * c-common.c (constant_fits_type_p): Delete.
357 (unsigned_conversion_warning): Delete.
358 (conversion_warning): Integrate Wconversion warning from
359 unsigned_conversion_warning.
360 (convert_and_check): Integrate Woverflow warning from
361 unsigned_conversion_warning. Reorganize and simplify to avoid
362 dependence upon the middle-end setting TREE_OVERFLOW on integral
363 conversions, by using int_fits_type_p directly.
365 2006-11-27 Tobias Burnus <burnus@net-b.de>
367 * doc/invoke.texi: Fixed typo.
369 2006-11-27 Michael Matz <matz@suse.de>
370 Andreas Krebbel <krebbel1@de.ibm.com>
373 * config/s390/predicates.md (larl_operand): Check addend of larl
374 operand to be in range of -/+2GB.
375 * config/s390/s390.c (legitimize_pic_address): Likewise.
376 Changed type of variable even to HOST_WIDE_INT.
378 2006-11-27 Jan Hubicka <jh@suse.cz>
380 * expr.c (emit_block_move_via_libcall): Export.
381 (clear_storage_via_libcall): Rename to ...
382 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
383 (clear_storage): Update to set_storage_via_libcall.
384 * expr.h (emit_block_move_via_libcall): Declare
385 * config/i386/i386.h (stringop_alg): New enum.
386 (MAX_STRINGOP_ALGS): New constant.
387 (stringop_algs): New struct.
388 (processor_costs): Add memcpy/memset descriptors.
389 (TARGET_REP_MOVEL_OPTIMAL): Remove.
390 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
391 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
393 * config/i386/i386.opt (minline-stringops-dynamically,
394 mstringop-strategy): New
396 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
397 (ix86_expand-clrmem): Rename to ...
398 (ix86_expand_setmem): ... this one; update prototype.
399 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
400 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
401 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
402 nocona_cost, core2_cost, generic_cost, generic64_cost,
403 generic32_cost): Add memcpy/memset descriptors.
404 (x86_rep_movl_optimal): Remove.
405 (stringop_alg): New static variable.
406 (ix86_expand_aligntest): Handle predictions.
407 (override_options): Add strgop_alg handling.
408 (predict_jump): New function.
409 (scale_counter): New function.
410 (expand_set_or_movmem_via_loop): New function.
411 (expand_movmem_via_rep_mov): New function.
412 (expand_setmem_via_rep_stots): New function.
413 (emit_strmov): New function.
414 (expand_movmem_epilogue): New function.
415 (expand_setmem_epilogue_via_loop): New function.
416 (expand_setmem_epilogue): New function.
417 (expand_movmem_prologue): New function.
418 (expand_setmem_prologue): New function.
419 (decide_alg): New function.
420 (decide_alignment): New function.
421 (ix86_exand_movmem): Rewrite.
422 (promote_duplicated_reg): New function.
423 (ix86_expand_clrmem): Rename to ...
424 (ix86_expand_setmem): ... this one. Rewrite.
426 * invoke.texi (minline-stringops-dynamically): New command line option.
427 (mstringop-strategy): Likewise.
429 2006-11-27 Jan Hubicka <jh@suse.cz>
431 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
432 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
433 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
434 * insn-notes.def (FUNCTION_END): Remove.
435 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
436 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
438 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
439 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
440 * cfglayout.c (duplicate_insn_chain): Don't worry about
443 2006-11-27 Richard Guenther <rguenther@suse.de>
444 Zdenek Dvorak <dvorakz@suse.cz>
446 * target.h (struct gcc_target): Add builtin_vectorized_function
448 * target-def.h (TARGET_VECTORIZE): Likewise.
449 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
450 Document new target hook.
451 * targhooks.h (default_builtin_vectorized_function): Declare.
452 * targhooks.c (default_builtin_vectorized_function): Define.
453 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
454 (vectorizable_call): Declare.
455 * tree-vect-analyze.c (vect_analyze_operations): Call
457 * tree-vect-transform.c (vectorizable_function): New static function.
458 (build_vectorized_function_call): Likewise.
459 (vectorizable_call): New function.
460 (vect_transform_stmt): Handle vectorizable calls.
462 2006-11-27 Richard Guenther <rguenther@suse.de>
465 * builtins.c (expand_builtin_pow): Optimize non integer valued
466 constant exponents using sqrt or cbrt if possible. Always fall back
467 to expanding via optabs.
469 2006-11-27 Ira Rosen <irar@il.ibm.com>
471 PR tree-optimization/22372
472 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
473 the type of the base address.
474 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
475 it in the data-ref pointer creation.
476 (vect_init_vector): Add an argument, type of the init vector. Use it in
478 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
479 (get_initial_def_for_reduction): Likewise.
480 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
482 (vectorizable_assignment, vect_permute_store_chain): Likewise.
483 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
484 correct type in stmt creation.
485 (vect_setup_realignment): Use the correct type in stmt creation.
486 (vect_permute_load_chain): Change type of MODIFY_EXPR to
488 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
489 of MODIFY_EXPR to void_type_node.
490 (vectorizable_condition): Change type of MODIFY_EXPR to
492 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
495 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
498 2006-05-08 Uros Bizjak <uros@kss-loka.si>
499 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
500 standard 80387 constants, raise the cost to prevent
501 compress_float_constant() to generate load from memory.
503 * config/i386/i386.md: Add new splitter pattern to split
504 float_extended load of constant from constant pool into
507 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
509 * doc/install.texi: Move GMP/MPFR configure options from Fortran
510 section to general section. Remove documentation for
511 --with-mpfr-dir and --with-gmp-dir, add documentation for
512 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
515 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
517 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
519 * testsuite/gcc.dg/ipa/ipa-6.c: New.
521 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
523 PR tree-optimization/29122
524 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
525 for the new version. Assign NULL to DECL_RTL of the new version.
527 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
529 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
531 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
533 * cse.c (cse_altered): Remove.
534 (record_jump_equiv): Make true/false argument a bool instead
536 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
537 where appropriate. Emit a new jump before the existing one
538 instead of after so that delete_insn_and_edges removes the
539 dead edges properly. Check any_condjump_p before calling
541 (cse_basic_block): Check any_condjump_p before calling
543 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
545 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
547 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
548 -ffixed-line-length-* options.
550 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
552 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
553 (fprem1xf4): Rename to fprem1xf4_i387.
555 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
556 Rename patterns to fmod<mode>3. Use general_operand operand
557 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
558 patterns for SSE math.
559 (remaindersf3, remainderdf3): Ditto.
561 2006-11-25 Joseph Myers <joseph@codesourcery.com>
563 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
564 inside start_sequence / end_sequence pair.
566 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
568 * jump.c (mark_all_labels): Work in cfglayout mode.
569 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
570 when in cfglayout mode, because there are no dead jumptables
572 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
574 (commit_edge_insertions): Do not allow insertion of instructions
575 with control flow insns when in cfglayout mode.
577 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
579 * tree-vrp.c (execute_vrp): Do not pass loops structure through
581 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
582 unswitch_loop): Ditto.
583 * tree-loop-linear.c (linear_transform_loops): Ditto.
584 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
585 tree_ssa_lim): Ditto.
586 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
587 free_numbers_of_iterations_estimates): Ditto.
588 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
589 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
590 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
591 remove_path, add_loop, loopify, unloop, fix_loop_placements,
592 place_new_loop, duplicate_loop, duplicate_subloops,
593 update_single_exit_for_duplicated_loops, copy_loops_to,
594 duplicate_loop_to_header_edge, create_preheaders,
595 force_single_succ_latches, loop_version, fix_loop_structure):
597 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
598 tree_unroll_loop): Ditto.
599 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
600 * tree-scalar-evolution.c (select_loops_exit_conditions,
601 scev_initialize, scev_analysis): Ditto.
602 * tree-scalar-evolution.h (scev_initialize): Ditto.
603 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
604 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
605 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
606 * modulo-sched.c (sms_schedule): Ditto.
607 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
608 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
609 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
610 * ifcvt.c (if_convert): Ditto.
611 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
612 canonicalize_loop_induction_variables,
613 canonicalize_induction_variables,
614 tree_unroll_loops_completely, remove_empty_loops): Ditto.
615 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
616 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
617 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
618 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
619 tree_ssa_loop_done): Ditto.
620 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
621 estimate_bb_frequencies): Ditto.
622 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
623 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
624 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
625 decide_unrolling_and_peeling, peel_loop_completely,
626 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
627 peel_loop_simple, unroll_loop_stupid): Ditto.
628 * loop-doloop.c (doloop_optimize_loops): Ditto.
629 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
630 * loop-invariant.c (move_loop_invariants): Ditto.
631 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
632 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
633 tree_ssa_prefetch_arrays): Ditto.
634 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
636 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
637 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
638 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
639 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
640 verify_loop_structure): Ditto.
641 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
642 canonicalize_induction_variables, tree_unroll_loops_completely,
643 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
644 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
645 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
646 tree_unroll_loop, linear_transform_loops): Declaration changed.
647 * basic-block.h: Remove declaration of struct loops.
648 * cfghooks.h (struct cfg_hooks): Change type of
649 cfg_hook_duplicate_loop_to_header_edge.
650 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
651 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
652 vect_transform_loop): Declaration changed.
653 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
654 * cfgloop.h (flow_loops_dump, fix_loop_structure,
655 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
656 cancel_loop_tree, create_preheaders, force_single_succ_latches,
657 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
658 loopify, loop_version, remove_path, unswitch_loops,
659 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
662 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
664 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
665 (X87MODEF): New mode macro.
666 (ssemodefsuffix): New mode attribute.
667 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
668 (sqrt_extend<mode>xf2_i387): New insn pattern.
669 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
670 insn and truncate result back to original mode using
671 UNSPEC_TRUNC_NOOP truncation.
672 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
673 ssemodefsuffix mode attribute.
674 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
675 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
676 (*sqrtextenddfxf2_i387): Remove insn patterns.
678 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
681 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
683 2006-11-24 Jakub Jelinek <jakub@redhat.com>
686 * c-tree.h (c_maybe_initialize_eh): New prototype.
687 * c-decl.c (finish_decl): Move EH initialization...
688 (c_maybe_initialize_eh): ... here. New function.
689 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
690 if not #pragma omp atomic.
693 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
694 or UNION_TYPE inner types.
696 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
699 * ipa-pure-const.c (check_tree): If the original tree
700 is volatile return early and say the function is not pure
701 nor const. Remove the volatile check for writes.
702 (analyze_function): Print out the result of the local
705 2006-11-24 Joseph Myers <joseph@codesourcery.com>
707 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
709 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
710 * config/rs6000/rs6000.c (rs6000_override_options): Use
711 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
714 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
716 * config/s390.c (s390_emit_compare_and_swap): New function.
717 (s390_expand_cs_hqi, s390_expand_atomic): Call
718 s390_emit_compare_and_swap.
720 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
722 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
724 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
728 * c-common.c (conversion_warning): New.
729 (convert_and_check): Call conversion_warning unless there is an
731 * doc/invoke.texi (-Wconversion): Update description.
733 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
735 * tree-ssa-alias.c (tree_pointer_compare): New function.
736 (compact_name_tags): New function.
737 (group_aliases): Call compact_name_tags.
739 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
741 * real.h (real_isinteger): Declare.
742 * real.c (real_isinteger): Define.
743 * builtins.c (integer_valued_real_p): Use it.
745 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
748 * c.opt (Wtraditional-conversion): New.
749 (Wconversion): Update description.
750 * c-typeck.c (convert_arguments): Warnings for prototypes causing
751 type conversions different from what would happen in the absence
752 of prototype are now handled by Wtraditional-conversion.
753 * doc/invoke.texi (Wtraditional-conversion): New.
754 (Wconversion): Update description.
755 * doc/trouble.texi (Wconversion): Replace Wconversion by
756 Wtraditional-conversion.
758 2006-11-23 Andrew Pinski <pinskia@gmail.com>
760 * predict.c (tree_estimate_probability): Check to make
761 sure current_loops is non null before calling flow_loops_dump.
763 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
765 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
767 2006-11-23 David Ung <davidu@mips.com>
769 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
771 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
772 (ASM_SPEC): Pass along -mfp32 and -mfp64.
773 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
774 high part of FP register when in 64-bit FP register mode. Similarly
775 use gen_mfhc1 to load high part of FP register.
776 (override_options): Allow -mgp32 and -mfp64 combination if
777 ISA_HAS_MXHC1 (currently for O32 only).
778 (mips_cannot_change_mode_class): If floating-point registers are
779 bigger than word size. disallow conversion of float register from a
780 large integer mode to a float mode smaller than the float register
782 (mips_class_max_nregs): Handle float registers case seperately.
783 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
785 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
786 (movdf_hardfloat_32bit): Similarly.
787 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
788 support a full 64-bit fpu.
789 (mthc1): New pattern to generate MTHC1 instruction.
790 (mfhc1): New pattern to generate MFHC1 instruction.
791 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
792 option for the MIPS32R2 and mention its use under O32 ABI.
794 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
796 * var-tracking.c (emit_note_insn_var_location): Take care not to
797 cause verify_flow_info failures.
799 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
801 * tree-ssa-structalias.c: Remove edge weights in favor of just
802 processing them as complex constraints.
803 (struct constraint_graph): Remove weighted succs and preds. Rename
804 nonweighted succs and preds.
805 (constraint_edge): Removed.
806 (constraint_edge_t): Ditto.
807 (constraint_edge_pool): Ditto.
808 (new_constraint_edge): Ditto.
809 (constraint_edge_equal): Ditto.
810 (constraint_edge_less): Ditto.
811 (constraint_edge_vec_find): Ditto.
812 (erase_self_graph_edge): Ditto.
813 (add_graph_edge): Removed.
814 (get_graph_weights): Ditto.
815 (allocate_graph_weights): Ditto.
816 (valid_weighted_graph_edge): Ditto
817 (bitmap_other_than_zero_bit_set): Ditto.
818 (int_add_graph_edge): Renamed to add_graph_edge.
819 (clear_edges_for_node): Remove support for weighted edges.
820 (merge_graph_nodes): Ditto.
821 (valid_graph_edge): Ditto.
822 (build_constraint_graph): Ditto.
824 (collapse_nodes): Ditto.
825 (process_unification_queue): Ditto.
827 (do_ds_constraint): Ditto.
828 (perform_var_subsitution): Ditto.
829 (solve_graph): Ditto.
830 (init_alias_vars): Ditto.
831 (delete_points_to_sets): Ditto.
832 (do_complex_constraint): Support offsetted copies here.
834 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
836 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
838 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
840 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
843 2006-11-23 Ben Elliston <bje@au.ibm.com>
845 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
847 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
849 PR tree-optimization/29921
850 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
851 signed and unsigned zero equal.
853 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
855 * config/rs6000/rs6000.c (get_store_dest): New.
856 (adjacent_mem_locations): Use get_store_dest() to get
857 the rtl of the store destination.
859 2006-11-22 Joseph Myers <joseph@codesourcery.com>
861 * config/rs6000/spe.md (SPE64): New mode macro.
862 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
864 (mov_si<mode>_e500_subreg0_2): New.
865 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
867 (mov_si<mode>_e500_subreg4_2): New.
868 * config/rs6000/predicates.md (input_operand): Do not allow
869 invalid E500 subregs.
870 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
872 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
873 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
874 involving vector modes if TARGET_SPE.
876 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
879 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
880 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
882 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
884 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
885 mem_i_address_operand): New predicates.
886 * config/bfin/bfin.c (bfin_issue_rate): New function.
887 (TARGET_SCHED_ISSUE_RATE): New macro.
888 * config/bfin/bfin.md (addrtype): New attribute.
889 (slot0, slot1, slot2, store, pregs): New cpu_units.
890 (core): Now a define_reservation.
891 (alu): Remove some insn types from this reservation.
892 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
894 (dummy reservation): Don't trigger for mcld insns.
895 (absence_sets): Two new absence sets to enforce slot ordering.
896 (popsi_insn): Set addrtype.
898 2006-11-22 Ira Rosen <irar@il.ibm.com>
900 * doc/c-tree.texi: Document new tree codes.
901 * doc/md.texi: Document new optabs.
902 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
904 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
905 * optabs.h (optab_index): Add new.
906 (vec_extract_even_optab, vec_extract_odd_optab,
907 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
908 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
909 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
911 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
912 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
913 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
914 along with macros for their access.
915 * tree-data-ref.h (first_location_in_loop, data_reference): Update
917 * tree-vect-analyze.c (toplev.h): Include.
918 (vect_determine_vectorization_factor): Fix indentation.
919 (vect_insert_into_interleaving_chain,
920 vect_update_interleaving_chain, vect_equal_offsets): New functions.
921 (vect_analyze_data_ref_dependence): Add argument for interleaving
922 check. Check for interleaving if it's true.
923 (vect_check_dependences): New function.
924 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
925 every ddr. Call vect_analyze_data_ref_dependence with new argument.
926 (vect_update_misalignment_for_peel): Update for interleaving.
927 (vect_verify_datarefs_alignment): Check only first data-ref for
929 (vect_enhance_data_refs_alignment): Update for interleaving. Check
930 only first data-ref for interleaving.
931 (vect_analyze_data_ref_access): Check interleaving, update
933 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
934 with different parameters.
935 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
936 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
937 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
938 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
939 Update step in case of interleaving.
940 (vect_strided_store_supported, vect_permute_store_chain): New
942 (vectorizable_store): Handle strided stores.
943 (vect_strided_load_supported, vect_permute_load_chain,
944 vect_transform_strided_load): New functions.
945 (vectorizable_load): Handle strided loads.
946 (vect_transform_stmt): Add argument. Handle strided stores. Check
947 that vectorized stmt exists for patterns.
948 (vect_gen_niters_for_prolog_loop): Update calculation for
950 (vect_transform_loop): Remove stmt_vec_info for strided stores after
951 whole chain vectorization.
952 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
953 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
954 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
955 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
956 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
958 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
960 * cse.c (enum taken): Remove PATH_AROUND.
961 (addr_affects_sp_p, invalidate_skipped_set,
962 invalidate_skipped_block): Remove.
963 (cse_end_of_basic_block): Remove skip_blocks and related code.
964 (cse_main): Don't test for flag_cse_skip_blocks.
965 Update cse_end_of_basic_block call.
966 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
967 code to lengthen the path if a jump was simplified.
969 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
971 PR rtl-optimization/29924
972 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
973 (unroll_loop_runtime_iterations): Assert that the argument passed to
974 split_edge_and_insert is not NULL.
975 * loop-doloop.c (add_test): Ditto.
977 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
979 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
981 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
982 * cfgloopmanip.c (update_single_exits_after_duplication,
983 update_single_exit_for_duplicated_loop, loop_version): Ditto.
984 * tree-scalar-evolution.c (get_loop_exit_condition,
985 get_exit_conditions_rec, loop_closed_phi_def,
986 number_of_iterations_in_loop, scev_const_prop): Ditto.
987 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
988 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
990 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
992 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
993 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
994 slpeel_make_loop_iterate_ntimes,
995 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
996 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
998 * tree-if-conv.c (if_convertible_loop_p): Ditto.
999 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
1000 vect_analyze_loop_form): Ditto.
1001 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
1002 can_convert_to_perfect_nest, perfect_nestify): Ditto.
1003 * tree-vect-transform.c (vect_create_epilog_for_reduction,
1004 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
1005 vect_transform_loop): Ditto.
1006 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
1007 (single_exit, set_single_exit): New functions.
1008 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
1009 (single_exit, set_single_exit): Declare.
1010 * doc/loop.texi: Undocument single_exit field. Document single_exit
1013 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1015 PR tree-optimization/29902
1016 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
1017 any involved ssa name appears in abnormal phi node.
1019 2006-11-21 Bob Wilson <bob.wilson@acm.org>
1021 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
1022 (xtensa_const_ok_for_letter_p): Delete.
1023 (xtensa_extra_constraint): Delete.
1024 (override_options): Delete xtensa_char_to_class initialization.
1025 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
1026 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1027 (EXTRA_CONSTRAINT): Delete.
1028 * config/xtensa/xtensa.md: Include constraints.md.
1029 (call_internal): Combine alternatives.
1030 (call_value_internal): Likewise, and remove invalid constraints.
1031 * config/xtensa/constraints.md: New file.
1032 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
1033 (xtensa_extra_constraint): Delete.
1034 * doc/md.texi (Machine Constraints): Refer to constraints.md for
1037 2006-11-21 Janis Johnson <janis187@us.ibm.com>
1039 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
1040 of conversion that doesn't fit.
1042 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
1043 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
1044 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
1046 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
1048 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
1050 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
1052 2006-11-21 Richard Guenther <rguenther@suse.de>
1054 * tree-vectorizer.h (NUM_PATTERNS): Increase.
1055 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
1056 vect_recog_pow_pattern.
1057 (vect_recog_pow_pattern): New function.
1059 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
1061 * config/bfin/bfin.opt (mstack-check-l1): New.
1062 * doc/invoke.texi (Blackfin Options): Document it.
1063 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
1064 stack bounds in L1 memory if the new option is enabled.
1065 (override_options): Don't allow combinations of -fstack-limit and
1067 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
1070 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
1072 (bfin_register_move_cost): Bump costs if trying to move plain
1073 integer values through accumulators.
1075 2006-11-21 Ben Elliston <bje@au.ibm.com>
1077 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
1079 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
1080 Russell Olsen <Russell_Olsen@playstation.sony.com>
1081 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
1082 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
1083 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
1084 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
1085 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1087 * config.gcc: Add target for SPU.
1088 * config/spu/constraints.md: New file.
1089 * config/spu/crt0.c: New file.
1090 * config/spu/crtend.c: New file.
1091 * config/spu/crti.asm: New file.
1092 * config/spu/crtn.asm: New file.
1093 * config/spu/float_unsdidf.c: New file.
1094 * config/spu/float_unssidf.c: New file.
1095 * config/spu/predicates.md: New file.
1096 * config/spu/spu-builtins.def: New file.
1097 * config/spu/spu-builtins.h: New file.
1098 * config/spu/spu-builtins.md: New file.
1099 * config/spu/spu-c.c: New file.
1100 * config/spu/spu-elf.h: New file.
1101 * config/spu/spu-modes.def: New file.
1102 * config/spu/spu-protos.h: New file.
1103 * config/spu/spu.c: New file.
1104 * config/spu/spu.h: New file.
1105 * config/spu/spu.md: New file.
1106 * config/spu/spu.opt: New file.
1107 * config/spu/spu_internals.h: New file.
1108 * config/spu/spu_intrinsics.h: New file.
1109 * config/spu/spu_mfcio.h: New file.
1110 * config/spu/t-spu-elf: New file.
1111 * config/spu/vec_types.h: New file.
1112 * config/spu/vmx2spu.h: New file.
1113 * doc/contrib.texi: Document SPU contributor.
1114 * doc/extend.texi: Document SPU extensions.
1115 * doc/invoke.texi: Document SPU options.
1116 * doc/md.texi: Document SPU constraints.
1118 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1120 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
1122 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
1124 (flow_loop_dump): Do not dump loop level.
1125 (flow_loops_find): Do not call flow_loops_level_compute.
1126 * cfgloop.h (struct loop): Remove level field.
1128 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1130 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
1131 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
1132 Use vector of edges instead of array.
1133 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
1134 estimate_numbers_of_iterations_loop): Ditto.
1135 * predict.c (predict_loops): Ditto.
1136 * loop-unroll.c (analyze_insns_in_loop): Ditto.
1137 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
1139 * basic-block.h: Declare heap allocation for edge vectors.
1140 * tree-outof-ssa.c: Ditto.
1141 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
1142 * cfgloop.h (get_loop_exit_edges): Declaration changed.
1144 2006-11-20 Zack Weinberg <zackw@panix.com>
1146 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
1147 Add another out parameter, "skip".
1148 (set_gc_used_type): Adjust calls to process_gc_options. If a field
1149 is tagged "skip", do not mark its type used.
1151 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1154 * tree-sra.c (single_scalar_field_in_record_p): New function.
1155 (decide_block_copy): Use it.
1157 2006-11-20 David Daney <ddaney@avtrex.com>
1159 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
1160 PC to point to following instruction.
1162 2006-11-20 Anatoly Sokolov <aesok@post.ru>
1166 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
1168 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
1170 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
1172 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1173 Add sh/superh.h to tm_file.
1175 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
1176 Mark Mitchell <mark@codesourcery.com>
1178 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
1180 (cpp_relocated): New function.
1181 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
1183 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
1184 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
1185 replace configured prefix with gcc_exec_prefix.
1187 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
1189 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
1190 bfin_legitimate_constant_p.
1191 * config/bfin/bfin.md (movsi expander): Check return value of
1193 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
1194 (expand_move): Adjust prototype.
1195 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
1196 invalid constants specially.
1197 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
1199 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
1201 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
1202 sibcall_value_symbol): Allow these patterns if
1203 TARGET_LEAF_ID_SHARED_LIBRARY.
1204 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
1205 (override_options): Turn on id shared library flags if -msep-data,
1206 but disallow the combination of these options on the command line.
1207 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
1208 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
1209 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
1210 -mid-shared-library.
1211 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
1212 * doc/invoke.texi (Blackfin Options): Document new switches.
1214 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
1215 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
1217 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
1218 inflate costs for addresses with an out-of-bounds address.
1220 2006-11-19 Andrew Pinski <pinskia@gmail.com>
1223 * fwprop.c (loops): Remove.
1224 (forward_propagate_into): Use current_loops instead of
1226 (fwprop_init): Call loop_optimizer_init instead of
1228 (fwprop_done): Call loop_optimizer_finalize instead of
1230 (fwprop): Use current_loops instead of loops.
1232 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
1235 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
1237 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1240 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
1241 larger than BITS_PER_WORD.
1243 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1247 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
1248 to MAX_FIXED_MODE_SIZE.
1250 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1252 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
1253 (fold_builtin_fmin_fmax): New.
1254 (fold_builtin_1): Use it.
1256 * fold-const.c (fold_strip_sign_ops): Handle copysign.
1258 2006-11-18 Richard Guenther <rguenther@suse.de>
1260 * config/i386/i386.c (ix86_builtins): New array for ix86
1261 builtin function decls.
1262 (def_builtin): New function.
1263 (def_builtin_const): Likewise.
1264 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
1266 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
1268 * doc/invoke.texi (core2): Add item.
1270 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
1272 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
1273 (TARGET_CPU_DEFAULT_generic): Change value.
1274 (TARGET_CPU_DEFAULT_NAMES): Add core2.
1275 (processor_type): Add new constant PROCESSOR_CORE2.
1277 * config/i386/i386.md (cpu): Add core2.
1279 * config/i386/i386.c (core2_cost): New initialized variable.
1280 (m_CORE2): New macro.
1281 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
1282 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
1283 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1284 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1285 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1286 x86_accumulate_outgoing_args, x86_prologue_using_move,
1287 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1288 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
1289 x86_use_incdec, x86_four_jump_limit, x86_schedule,
1290 x86_pad_returns): Add m_CORE2.
1291 (override_options): Add entries for Core2.
1292 (ix86_issue_rate): Add case for Core2.
1294 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
1296 * doc/invoke.texi: Fix mno-isel typo.
1298 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1300 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
1301 easy vector constant loads.
1303 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1305 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
1306 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1307 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
1308 * config/rs6000/sync.md (lwsync): Emit plain sync if
1311 2006-11-17 DJ Delorie <dj@redhat.com>
1313 * reload1.c (reloads_unique_chain): New.
1314 (reloads_conflict): Call it.
1316 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1318 * config/xtensa/predicates.md (addsubx_operand): New.
1319 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
1320 (xtensa_emit_bit_branch): New.
1321 (xtensa_emit_movcc): New.
1322 * config/xtensa/xtensa.md (any_minmax): New code macro.
1323 (minmax): New code attribute.
1324 (any_cond, any_scc, any_scc_sf): New code macros.
1325 (*addx2, *addx4, *addx8): Delete.
1327 (*subx2, *subx4, *subx8): Delete.
1329 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
1330 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
1331 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
1332 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
1333 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
1334 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
1335 (movsfcc_internal0, movsfcc_internal1): Likewise.
1336 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
1337 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
1338 (xtensa_emit_bit_branch): New.
1339 (xtensa_emit_movcc): New.
1340 (function_arg_boundary): Add missing prototype.
1342 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1344 * config/xtensa/xtensa.md (tstsi): Delete
1346 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1348 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
1350 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1352 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1354 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1356 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
1358 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1360 * tree-vrp.c (execute_vrp): Do not update current_loops.
1361 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
1362 * doc/loop.texi: Remove documentation for cancelled functions.
1363 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
1364 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
1366 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
1367 (remove_path): Ensure that in delete_basic_blocks, the loops
1368 are still allocated.
1369 (add_loop): Work on valid loop structures.
1370 (loopify): Modify call of add_loop.
1371 (mfb_update_loops): Removed.
1372 (create_preheader): Do not update loops explicitly.
1373 (force_single_succ_latches, loop_version): Do not use
1374 loop_split_edge_with.
1375 (loop_split_edge_with): Removed.
1376 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
1377 Do not use bsi_insert_on_edge_immediate_loop.
1378 (split_loop_exit_edge, tree_unroll_loop): Do not use
1379 loop_split_edge_with.
1380 (bsi_insert_on_edge_immediate_loop): Removed.
1381 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
1382 use loop_split_edge_with.
1383 * cfghooks.c: Include cfgloop.h.
1384 (verify_flow_info): Verify that loop_father is filled iff current_loops
1386 (redirect_edge_and_branch_force, split_block, delete_basic_block,
1387 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
1389 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
1391 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
1392 loop_split_edge_with.
1393 (sms_schedule): Use current_loops.
1394 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
1395 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
1397 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
1398 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
1399 * ifcvt.c (if_convert): Ditto.
1400 * predict.c (predict_loops): Do not clear current_loops.
1401 (tree_estimate_probability): Use current_loops.
1402 (propagate_freq): Receive head of the region to propagate instead of
1404 (estimate_loops_at_level): Do not use shared to_visit bitmap.
1405 (estimate_loops): New function. Handle case current_loops == NULL.
1406 (estimate_bb_frequencies): Do not allocate tovisit. Use
1408 * tree-ssa-loop.c (current_loops): Removed.
1409 (tree_loop_optimizer_init): Do not return loops.
1410 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
1411 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
1412 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
1413 Do not update loops explicitly.
1414 * function.h (struct function): Add x_current_loops field.
1415 (current_loops): New macro.
1416 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
1417 * loop-unroll.c (split_edge_and_insert): New function.
1418 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
1419 use loop_split_edge_with.
1420 * loop-doloop.c (add_test, doloop_modify): Ditto.
1421 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
1422 * cfglayout.c (copy_bbs): Do not update loops explicitly.
1423 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
1424 * tree-vect-transform.c (vect_transform_loop): Do not update loops
1426 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
1427 (flow_loops_free): Do not free dfs_order and rc_order.
1428 (flow_loops_find): Do not set dfs_order and rc_order in loops
1429 structure. Do not call loops and flow info verification.
1430 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
1431 already belongs to some loop.
1432 * cfgloop.h (struct loops): Remove struct cfg.
1433 (current_loops, loop_split_edge_with): Declaration removed.
1434 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
1435 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
1436 Declaration removed.
1437 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
1438 * basic-block.h (split_edge_and_insert): Declare.
1439 * tree-cfg.c (remove_bb): Do not update loops explicitly.
1441 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1443 PR tree-optimization/29801
1444 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
1445 (get_default_value): Use get_symbol_constant_value.
1446 (set_lattice_value): ICE when the value of the constant is
1448 (visit_assignment): Ignore VDEFs of read-only variables.
1450 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1452 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
1454 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1455 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
1457 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1459 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
1460 select subvars of var.
1462 2006-11-17 Jakub Jelinek <jakub@redhat.com>
1465 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
1466 optimize if DEF doesn't have integral type.
1468 2006-11-16 Mike Stump <mrs@apple.com>
1470 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
1471 pre-darwin9 system, unless the user asks for it directly.
1472 (PREFERRED_DEBUGGING_TYPE): Likewise.
1473 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
1474 * config.gcc: Add suppport for darwin9.h.
1475 * config/darwin9.h: Add.
1476 * doc/install.texi (Specific): Clarify darwin documentation.
1478 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1480 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
1481 optimizing for size.
1483 2006-11-16 Mike Stump <mrs@apple.com>
1485 * Makefile.in (targhooks.o): Add $(OPTABS_H).
1487 2006-11-16 Dirk Mueller <dmueller@suse.de>
1489 * tree-vrp.c (get_value_range): Use XCNEW instead
1491 (insert_range_assertions): Use XCNEWVEC instead
1492 of XNEWVEC and memset.
1493 (vrp_initialize): Same.
1494 (vrp_finalize): Same.
1495 * tree-ssa-ccp.c (ccp_initialize): Same.
1496 * predict.c (tree_bb_level_predictions): Same.
1497 * calls.c (expand_call): Same.
1498 * tree-ssa-copy.c (init_copy_prop): Same.
1499 (fini_copy_prop): Same.
1500 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
1501 of GGC_NEW and memset.
1503 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
1506 * gimplify.c (gimplify_expr): Only force a load for references to
1507 non-BLKmode volatile values.
1508 * doc/implement-c.texi (Qualifiers implementation): Document the
1509 interpretation of what a volatile access is.
1510 * doc/extend.texi (C++ Extensions): Rework same documentation.
1512 2006-11-16 Joseph Myers <joseph@codesourcery.com>
1514 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
1517 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1519 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
1521 (arm_neg_abssi2): Renamed from neg_abssi2.
1522 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
1524 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
1526 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
1527 number of arguments passed to local functions in SSE registers is 3.
1529 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
1530 number of arguments passed in SSE registers to 3.
1532 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1535 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
1537 (get_last_bb_insn): ... new global function.
1538 (basic_block.h): Declare it.
1539 * haifa-sched.c (create_recovery_block): Use it.
1541 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
1544 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
1546 2006-11-15 Paul Brook <paul@codesourcery.com>
1548 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
1549 _Unwind_GetTextRelBase): Move from here ...
1550 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
1551 _Unwind_GetTextRelBase): ... To here.
1553 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1555 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
1556 addresses we generate for testing are aligned.
1558 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
1561 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
1562 to what is the const decl is a place holder for.
1564 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1566 * config/i386/i386.opt: New target option -mx87regparm.
1568 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
1569 and float_in_x87 variables. mmx_words, sse_words: Remove.
1570 (X87_REGPARM_MAX): Define.
1572 * config/i386/i386.c (override_options): Error out for
1573 -mx87regparm but no 80387 support.
1574 (ix86_attribute_table): Add x87regparm.
1575 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1576 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1577 (ix86_function_x87regparm): New function.
1578 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1580 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1582 (function_arg_advance): Process x87_nregs and x87_regno when
1583 floating point argument is to be passed in 80387 register.
1584 (function_arg): Pass XFmode arguments in 80387 registers for local
1585 functions. Pass SFmode and DFmode arguments to local functions
1586 in 80387 registers when flag_unsafe_math_optimizations is set.
1588 * reg-stack.c (convert_regs_entry): Disable NaN load for
1589 stack registers that are used for argument passing.
1591 * doc/extend.texi: Document x87regparm function attribute.
1592 * doc/invoke.texi: Document -mx87regparm.
1594 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1596 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
1597 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
1598 arg MODE; all callers changed. Use it to determine validity per
1599 machine mode instead of using Pmode for all memory references.
1600 (get_address_cost): Likewise add and use new arg MEM_MODE.
1602 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
1603 J"orn Rennecke <joern.rennecke@st.com>
1605 * combine.c (likely_spilled_retval_1): Fix masking operation.
1606 (likely_spilled_retval_p): Use proper pattern for call to
1607 likely_spilled_retval_1.
1609 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1611 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
1613 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
1614 that tests for CONSTANT_POOL_ADDRESS_P.
1616 2006-11-15 Jakub Jelinek <jakub@redhat.com>
1618 PR tree-optimization/29581
1619 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
1620 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
1621 type is different between Y and USE, create a temporary
1622 variable, initialize it at the beginning of the body bb
1623 and use it as replacement instead of Y.
1625 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
1628 * gimplify.c (fold_indirect_ref_rhs): Use
1629 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
1631 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
1633 * expmed.c (emit_store_flag_1): New function.
1634 (emit_store_flag): Call it. If we can't find a suitable scc insn,
1636 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
1637 Use do_compare_rtx_and_jump.
1638 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
1639 * arm.md (cstoresi4): New define_expand.
1640 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
1641 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
1642 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
1644 2006-11-14 Caroline Tice <ctice@apple.com>
1646 * dwarf2out.c (debug_pubtypes_section): New static global variable.
1647 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
1649 (pubname_table): Redefine as a vector.
1650 (pubtype_table): New static global variable, defined as a vector.
1651 (pubname_table_allocated): Remove static global variable.
1652 (pubname_table_in_use): Remove static global variable.
1653 (PUBNAME_TABLE_INCREMENT): Remove constant.
1654 (size_of_pubnames): Add parameter to deal with either pubnames or
1655 pubtypes, and change code to deal with table being a vector.
1656 (add_pubname): Change to deal with table being a vector.
1657 (add_pubtype): New function.
1658 (output_pubnames): Add parameter to deal with either pubnames or
1659 pubtypes, and change code to deal with table being a vector.
1660 (gen_array_type_die): Add call to add_pubtype.
1661 (gen_enumeration_type_die): Add call to add_pubtype.
1662 (gen_struct_or_union_type_die): Add call to add_pubtype.
1663 (gen_subroutine_type_die): Add call to add_pubtype.
1664 (gen_typedef_die): Add call to add_pubtype.
1665 (dwarf2out_init): Add code to initialize pubname_table and
1666 pubtype_table vectors; also initialize debug_pubtypes_section.
1667 (prune_unused_types): Change to deal with pubnames being a vector.
1668 (dwarf2out_finish): Change to deal with pubnames being a vector; add
1669 pubnames table to call to output_pubnames; Add code to output pubtypes
1670 table if DEBUG_PUBTYPES_SECTION is defined.
1671 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
1673 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
1675 2006-11-14 Joseph Myers <joseph@codesourcery.com>
1677 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
1678 iwmmxt_nregs if TARGET_IWMMXT_ABI.
1679 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
1680 movv2si_internal): Support moves between core registers.
1682 2006-11-14 Eric Christopher <echristo@apple.com>
1684 * configure: Regenerate with autoconf 2.59.
1686 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
1688 Fix PR tree-optimization/27755
1690 * tree-ssa-pre.c: Update comments.
1691 (bb_bitmap_sets): Add pa_in and deferred member.
1692 (BB_DEFERRED): New macro.
1693 (maximal_set): New variable.
1694 (pre_stats): Add pa_insert member.
1695 (bitmap_set_and): Short circuit orig == dest.
1696 (bitmap_set_subtract_values): New function.
1697 (bitmap_set_contains_expr): Ditto.
1698 (translate_vuses_through_block): Add phiblock argument.
1699 (dependent_clean): New function.
1700 (compute_antic_aux): Update for maximal_set changes.
1701 (compute_partial_antic_aux): New function.
1702 (compute_antic): Handle partial anticipation.
1703 (do_partial_partial_insertion): New function.
1704 (insert_aux): Handle partial anticipation.
1705 (add_to_sets): Add to maximal set.
1706 (compute_avail): Ditto.
1707 (init_pre): Initialize maximal_set.
1708 (execute_pre): Do partial anticipation if -O3+.
1710 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
1712 PR rtl-optimization/29798
1714 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
1715 TARGET_INSN before any other check.
1716 (fwprop_init): Always calculate dominators.
1717 (fwprop_done): Always free them.
1719 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1721 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
1724 2006-11-13 DJ Delorie <dj@redhat.com>
1726 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
1727 temporary for intermediates.
1729 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
1731 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
1732 (sh_optimize_target_register_callee_saved): #if 0 the code
1733 using NOTE_INSN_LOOP_{BEG,END}.
1735 2006-11-13 Roger Sayle <roger@eyesopen.com>
1737 * fold-const.c (optimize_bit_field_compare): Recursively call
1738 fold when simplifying non-constant comparisons between bit-fields.
1740 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1742 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
1744 * configure: Rebuilt.
1746 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
1748 * config/rs6000/cell.md: New file.
1749 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
1751 (ppccell_cost): New cost matrix.
1752 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
1753 (rs6000_override_options): Set rs6000_always_hint to false
1754 for cell. Also align functions/lables/loops to 8byte
1755 for the Cell. Use PROCESSOR_CELL.
1756 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
1757 using_mtcr_multiple.
1758 (rs6000_variable_issue): If the insn is a nonpipelined instruction
1759 on the Cell, return 0.
1760 (rs6000_adjust_cost): Add Cell cost adjustments.
1761 (is_microcoded_insn): Return true for Cell microcoded
1763 (is_nonpipeline_insn): New function.
1764 (rs6000_issue_rate): Add PROCESSOR_CELL.
1765 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
1767 (rs6000_use_sched_lookahead_guard): New function.
1768 (rs6000_sched_reorder): Reorder the ready list, if the second
1769 to last ready insn is a nonepipeline insn on the Cell.
1770 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
1771 (ASM_CPU_SPEC): Add Cell.
1772 * config/rs6000/rs6000.md (cpu): Add Cell.
1773 (cell_micro): New Attr.
1776 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1778 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
1780 * configure: Rebuilt.
1782 2006-11-13 Richard Guenther <rguenther@suse.de>
1784 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
1786 (ix86_expand_lfloorceil): Likewise.
1787 (ix86_expand_rint): Likewise.
1788 (ix86_expand_floorceildf_32): Likewise.
1789 (ix86_expand_floorceil): Likewise.
1790 (ix86_expand_rounddf_32): Likewise.
1791 (ix86_expand_truncdf_32): Likewise.
1792 (ix86_expand_round): Likewise.
1794 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
1795 Mark Mitchell <mark@codesourcery.com>
1797 * gcc.c: Organize search path variables into $prefix relative,
1798 and well-known native. Add comments.
1799 (add_sysrooted_prefix): Add comment.
1800 (process_command): If !gcc_exec_prefix add $prefix based paths.
1801 If *cross_compile == '0', add native well-known paths.
1802 Assert tooldir_base_prefix is always relative.
1803 (main): If print_search_dirs, and if gcc_exec_prefix is set,
1804 use this value for 'install:' path.
1805 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
1807 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1809 * config/i386/i386.c: Fix a typo in comment.
1811 2006-11-13 Michael Matz <matz@suse.de>
1813 * genemit.c (gen_expand): Allocate enough memory.
1815 2006-11-13 Joseph Myers <joseph@codesourcery.com>
1817 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
1818 __GXX_TYPEINFO_EQUALITY_INLINE but not
1819 __GXX_MERGED_TYPEINFO_NAMES.
1820 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
1821 __GXX_MERGED_TYPEINFO_NAMES.
1822 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
1823 __GXX_TYPEINFO_EQUALITY_INLINE.
1825 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1826 Zdenek Dvorak <dvorakz@suse.cz>
1828 PR tree-optimization/29680
1829 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
1832 2006-11-12 Jason Merrill <jason@redhat.com>
1833 Andrew Pinski <pinskia@physics.uc.edu>
1836 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
1838 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
1840 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
1841 * tree.c (build_vector): Handle non-_CST elements.
1843 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
1845 * genemit.c (gen_insn): Call gen_exp with a non-null used
1846 when handling multiple insns.
1847 (gen_expand): Likewise.
1848 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
1849 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
1850 (movsi_const_16bit+1): Copy operands[1].
1851 (call_pcrel): Copy the call_site pattern.
1852 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
1854 2006-11-12 Roger Sayle <roger@eyesopen.com>
1856 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
1857 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
1858 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
1859 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
1861 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
1863 Fix PR tree-optimization/29587
1864 * tree-ssa-structalias.c (process_constraint): Don't
1865 mark address taken due only to escaped vars constraint.
1867 2006-11-12 Michael Matz <matz@suse.de>
1868 Roger Sayle <roger@eyesopen.com>
1870 PR rtl-optimization/29797
1871 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
1872 BITS_BIG_ENDIAN targets.
1874 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1876 * builtins.c (fold_builtin_cosh): New.
1877 (fold_builtin_1): Use it.
1878 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
1879 trunc to the list of "odd" functions. Also add llrint, lrint,
1880 rint and nearbyint when flag_rounding_math is false.
1882 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1884 * tree-flow.h (name_mappings_registered_p): Declare.
1885 * tree-into-ssa.c (name_mappings_registered_p): New function.
1886 * tree-cfg.c (tree_can_merge_blocks_p): Check
1887 name_mappings_registered_p instead of need_ssa_update_p.
1889 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1891 * tree-ssa-loop.c (tree_vectorize): Return the result of
1893 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
1894 if anything changed.
1895 * tree-vectorizer.h (vectorize_loops): Declaration removed.
1896 * tree-flow.h (vectorize_loops): Declaration changed.
1898 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1900 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
1902 (issue_prefetch_ref): Move assignment to write_p out of loop.
1903 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
1904 SIMULTANEOUS_PREFETCHES into account.
1905 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
1906 * lambda-code.c (lcm): Renamed to ...
1907 (least_common_multiple): ... and exported.
1908 * tree-flow.h (least_common_multiple): Declare.
1910 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1912 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
1913 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
1914 ud-chains. Handle AND_EXPR.
1915 (record_estimate): Record whether the estimate is realistic
1916 and whether it is derived from a loop exit.
1917 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
1918 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
1920 (compute_estimated_nb_iterations): Take only realistic bounds into
1921 account. Set estimate_state. Use double_ints.
1922 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
1923 and infer_loop_bounds_from_signedness. Do not consider basic blocks
1924 that do not have to be always executed.
1925 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
1926 to determine whether to call infer_loop_bounds_from_undefined
1927 and compute_estimated_nb_iterations.
1928 (n_of_executions_at_most): Use double_ints.
1929 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
1930 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
1931 * double-int.c (double_int_to_tree): Improve comment.
1932 (double_int_fits_to_tree_p): New function.
1933 * double-int.h (double_int_fits_to_tree_p): Declare.
1934 * tree-data-ref.c: Include langhooks.h.
1935 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
1936 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
1937 (analyze_array): Do not pass estimate_only argument to
1938 analyze_array_indexes.
1939 (get_number_of_iters_for_loop): Build tree from the stored double_int
1941 (get_references_in_stmt, find_data_references_in_stmt): New functions.
1942 (find_data_references_in_loop): Use find_data_references_in_stmt.
1943 * tree-data-ref.h (struct data_ref_loc_d): New.
1944 (get_references_in_stmt): Declare.
1945 (estimate_iters_using_array): Declaration removed.
1946 * cfgloop.h (struct nb_iter_bound): Change type of bound to
1947 double_int. Improve comments. Add is_exit and realistic
1949 (struct loop): Changed type of estimated_nb_iterations to double_int.
1950 Added estimate_state field.
1951 (record_estimate): Declaration removed.
1953 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1955 * params.c (set_param_value): Initialize the "set" field.
1956 * params.h (struct param_info): Add "set" field.
1957 (PARAM_SET_P): New macro.
1958 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
1959 L1_CACHE_LINE_SIZE): New macros.
1960 * toplev.c (DEFPARAM): Initialize the "set" field.
1961 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
1962 SIMULTANEOUS_PREFETCHES): Removed.
1963 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
1964 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
1965 * config/sparc/sparc.c: Include params.h.
1966 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
1967 L1_CACHE_LINE_SIZE parameters.
1968 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1970 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1972 * config/i386/i386.c: Include params.h.
1973 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
1974 (override_options): Set SIMULTANEOUS_PREFETCHES and
1975 L1_CACHE_LINE_SIZE parameters.
1976 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
1977 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
1978 L1_CACHE_LINE_SIZE parameters.
1979 * config/ia64/ia64.c (ia64_optimization_options): Set
1980 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
1981 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
1983 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
1984 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
1985 * doc/invoke.texi: Document new params.
1987 2006-11-12 Roger Sayle <roger@eyesopen.com>
1989 PR tree-optimization/13827
1990 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
1993 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1995 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
1996 update_single_exit_for_duplicated_loops): New functions.
1997 (duplicate_loop_to_header_edge): Use
1998 update_single_exit_for_duplicated_loops.
1999 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
2000 functions only with ENABLE_CHECKING.
2002 2006-11-12 Andreas Schwab <schwab@suse.de>
2004 * except.c (sjlj_emit_function_enter): Remove unused variable.
2006 2006-11-11 Roger Sayle <roger@eyesopen.com>
2008 * fold-const.c (int_binop_types_match_p): New function.
2009 (size_binop): Relax constraint that both arguments must both have
2010 exactly the same sizetype type. Instead use int_binop_types_match_p.
2011 (size_diffop): Likewise.
2013 (make_range): Use build_int_cst instead of fold_convert.
2014 (fold_cond_expr_with_comparison): Use build_int_cst to construct
2015 integer constants of the correct type.
2016 (fold_div_compare): Likewise.
2017 (fold_single_bit_test): Likewise.
2018 (fold_binary): Likewise.
2019 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
2020 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
2022 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
2025 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
2026 non null value if the struct memory access is in the 0th
2029 2006-11-12 Jie Zhang <jie.zhang@analog.com>
2032 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2033 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
2036 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
2037 instead of builtin_define for bfin and BFIN.
2039 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2041 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
2044 2006-11-11 Jan Hubicka <jh@suse.cz>
2046 * extend.texi (__builtin_expect): We no longer require second argument
2048 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
2049 * builtins.c (expand_builtin_expect): Simplify.
2050 (expand_builtin_expect_jump): Kill.
2051 * final.c (final_scan_insn): Do not skip the removed notes.
2052 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
2053 EXPECTED_VALUE): Remove.
2054 * dojump.c (do_jump): Do not care about __builtin_expect.
2055 * predict.c (expected_value_to_br_prob): Kill.
2056 * function.c (expand_function_end): Do not expand
2057 NOTE_INSN_REPEATED_LINE_NUMBER.
2058 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
2059 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
2060 * cfgexpand.c (add_reg_br_prob_note): Export.
2061 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2062 expected_value_to_br_prob.
2063 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
2064 * rtl.h (add_reg_br_prob_note): Declare.
2066 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2068 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
2070 2006-11-11 Jan Hubicka <jh@suse.cz>
2072 * predict.c (predict_loops): Kill RTL variant.
2074 2006-11-11 Jan Hubicka <jh@suse.cz>
2076 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
2077 * modulo-sched.c (find_line_note): Remove.
2078 (loop_canon_p): Do not worry about line number notes.
2079 (sms_schedule): Likewise.
2080 * cse.c (cse_main): Likewise.
2081 * regmove.c (fixup_match_1): Likewise
2082 * function.c (emit_return_info_block): Likewise.
2083 (expand_function_end): Likewise.
2084 (thread_prologue_an_epilogue_insns): Likewise.
2085 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
2087 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
2088 emit_note_copy_after): Kill.
2089 (emit_note_copy): Do not worry about line numbers.
2090 * jump.c (purge_line_number_notes): Kill.
2091 (pass_purge_lineno_notes): Kill.
2092 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
2094 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
2095 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
2096 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
2097 * tree-pass.h (pass_purge_lineno_notes): Kill.
2098 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
2099 rm_redundant_line_notes.
2100 * sched-rgb.c (schedule_region): Don't rm_line_notes,
2101 rm_redundant_line_notes.
2102 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
2103 * haifa-sched.c: Update comment about handling notes.
2104 (unlink_line_notes): Kill.
2105 (rm_line_notes): Kill.
2106 (save_line_notes): Simplify.
2107 (rm_redundant_line_notes): Kill.
2109 2006-11-11 Richard Guenther <rguenther@suse.de>
2111 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
2112 Remove unused tree codes.
2113 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
2114 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
2115 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2116 * tree.c (stabilize_reference): Likewise.
2117 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
2118 fold_unary): Likewise.
2119 * tree-gimple.c (is_gimple_cast): Likewise.
2120 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
2121 * expr.c (expand_expr_real_1): Likewise.
2122 * tree-eh.c (tree_could_trap_p): Likewise.
2123 * gimplify.c (gimplify_expr): Likewise.
2124 * tree-inline.c (estimate_num_insns_1): Likewise.
2125 * tree-cfg.c (verify_expr): Likewise.
2127 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
2129 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
2130 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
2131 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
2133 2006-11-11 Richard Sandiford <richard@codesourcery.com>
2136 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
2137 constraints accept neither registers or memories.
2139 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2141 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
2142 (NO_PROFILE_COUNTERS): Define as 1.
2144 2006-11-10 Roger Sayle <roger@eyesopen.com>
2146 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
2147 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
2149 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
2151 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
2153 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2155 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
2156 (fold_builtin_hypot): Likewise.
2157 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
2159 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
2161 2006-11-10 Roger Sayle <roger@eyesopen.com>
2163 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
2164 when attempting to build INTEGER_CSTs of non-integral types.
2165 * expmed.c (make_tree): Use the correct type, i.e. the inner
2166 type, when constructing the individual elements of a CONST_VECTOR.
2168 2006-11-10 Jan Hubicka <jh@suse.cz>
2170 * cse.c (cse_process_notes): Copy the propagated value.
2171 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
2173 * gcse.c (try_replace_reg): Copy the replacement.
2174 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
2175 (assign_386_stack_local): Always return copied memory expression
2176 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
2179 2006-11-10 Jan Hubicka <jh@suse.cz>
2181 * final.c (final): Walk from first instruction.
2182 * cfglayout.c (insn_locators_initialize): Remove line number notes.
2184 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
2187 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
2189 (umulv8hi3_highpart): Ditto.
2190 (vec_widen_smult_hi_v8hi): New expander.
2191 (vec_widen_smult_lo_v8hi): Ditto.
2193 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2196 * builtins.c (do_mpfr_arg3): New.
2197 (fold_builtin_1): Handle builtins fma, fmin and fmax.
2199 2006-11-09 Eric Christopher <echristo@apple.com>
2204 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
2205 * config.gcc (powerpc64-*-darwin*): New target.
2206 * config.host: Ditto.
2207 * config/rs6000/darwin64.h: New file.
2208 * config/rs6000/x-darwin64: Ditto.
2209 * config/rs6000/host-ppc64-darwin.c: Ditto.
2211 2006-11-09 Steve Ellcey <sje@cup.hp.com>
2213 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
2214 routines for integer division.
2216 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
2218 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
2220 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
2223 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
2225 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
2227 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
2228 simplify_subreg with BLKmode outer mode.
2230 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
2232 * doc/invoke.texi: Minor formatting fixes in option lists.
2234 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
2236 PR tree-optimization/29738
2237 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
2238 (ccp_lattice_t): Remove UNKNOWN_VAL.
2239 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
2240 Do not handle UNKNOWN_VAL.
2241 (get_default_value): Set initial value of virtual operands to
2243 (get_value): Always use get_default_value on uninitialized
2245 (set_value_varying, surely_varying_stmt_p): New functions.
2246 (set_lattice_value): Do not pass argument to get_value.
2247 Do not handle UNKNOWN_VAL.
2248 (likely_value): Follow the semantics described in the comment.
2249 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
2250 phi nodes DONT_SIMULATE_AGAIN.
2251 (ccp_fold): Do not pass argument to get_value.
2252 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
2255 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
2257 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2258 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
2260 2006-11-08 Roger Sayle <roger@eyesopen.com>
2262 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
2263 test for inclusion rather than as a test for exclusion.
2264 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
2265 the condition after calling fold_binary.
2266 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
2267 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
2268 * builtins.c (fold_builtin_isascii): Likewise.
2269 (fold_builtin_isdigit): Likewise.
2271 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
2273 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
2274 * configure: Regenerate.
2276 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2278 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
2279 enum argument instead of bool.
2280 (vect_analyze_operations): Call vectorizable_type_promotion.
2281 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
2282 stmt_vec_info_type value.
2283 (supportable_widening_operation, vectorizable_type_promotion): New
2284 function declarations.
2285 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
2286 (vectorizable_type_promotion): New function.
2287 (vect_transform_stmt): Call vectorizable_type_promotion.
2288 * tree-vect-analyze.c (supportable_widening_operation): New function.
2289 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
2291 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2294 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
2295 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
2296 * tree-inline.c (estimate_num_insns_1): Add cases for above new
2298 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2299 * expr.c (expand_expr_real_1): Likewise.
2300 * optabs.c (optab_for_tree_code): Likewise.
2301 (init_optabs): Initialize new optabs.
2302 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
2303 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
2304 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
2305 vec_unpacku_lo_optab): Initialize new optabs.
2306 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
2307 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
2308 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
2310 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
2311 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
2312 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
2313 (vec_unpacku_lo_optab): New optabs.
2314 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
2315 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
2316 (vec_widen_smult_hi, vec_widen_smult_lo): New.
2317 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
2318 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
2319 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
2321 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
2322 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
2323 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
2324 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
2325 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
2326 implement the unsigned unpacking patterns.
2327 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
2328 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
2329 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
2330 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
2331 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
2332 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
2333 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
2334 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
2335 multiplication patterns.
2337 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
2338 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
2339 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2340 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
2341 (rs6000_builtin_mul_widen_odd): New.
2342 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
2343 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
2344 * tree-vectorizer.h (enum vect_relevant): New enum type.
2345 (_stmt_vec_info): Field relevant chaned from bool to enum
2347 (STMT_VINFO_RELEVANT_P): Updated.
2348 (STMT_VINFO_RELEVANT): New.
2349 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
2350 instead of STMT_VINFO_RELEVANT_P.
2351 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
2352 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
2353 and boolean variable with enum vect_relevant.
2354 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
2355 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
2356 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2358 2006-11-08 Richard Henderson <rth@redhat.com>
2360 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
2361 vec_widen_umult_lo_v8hi): New.
2362 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
2363 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
2365 * config/i386/i386.c (ix86_expand_sse_unpack): New.
2366 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
2367 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
2368 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
2369 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
2370 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
2371 vec_unpacks_lo_v4si): New.
2373 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2375 * tree-vect-transform.c (vectorizable_type_demotion): New function.
2376 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
2377 (vect_analyze_operations): Call vectorizable_type_demotion.
2378 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
2379 stmt_vec_info_type value.
2380 (vectorizable_type_demotion): New function declaration.
2381 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2384 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
2385 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
2387 * tree-iniline.c (estimate_num_insns_1): Likewise.
2388 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2389 * optabs.c (optab_for_tree_code): Likewise.
2391 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
2392 compared against the predicate of the result is not 'mode' (the input
2393 to the function) but a mode with half the size of 'mode'.
2394 (init_optab): Initialize new optabs.
2395 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
2397 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
2399 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
2400 (vec_pack_usat_optab): Initialize new optabs.
2401 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
2402 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
2404 2006-11-08 Richard Henderson <rth@redehat.com>
2406 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
2407 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
2408 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
2409 (vec_interleave_highv4si, vec_interleave_lowv4si):
2410 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
2412 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2414 * tree-vect-transform.c (vectorizable_reduction): Support multiple
2416 (vect_transform_stmt): Removed redundant code.
2418 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2420 * tree-vect-transform.c (vectorizable_operation): Support multiple
2423 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2425 * tree-vect-transform.c (vect_align_data_ref): Removed.
2426 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
2427 Updated function documentation. Return the increment stmt in ptr_incr.
2428 (bump_vector_ptr): New function.
2429 (vect_get_vec_def_for_stmt_copy): New function.
2430 (vect_finish_stmt_generation): Create a stmt_info to newly created
2432 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
2434 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
2435 VF is greater than the number of elements that can fit in one vector
2437 (vectorizable_operation, vectorizable_condition): Likewise.
2438 (vectorizable_store, vectorizable_load): Support the case that the VF
2439 is greater than the number of elements that can fit in one vector word.
2440 (vect_transform_loop): Don't fail in case of multiple data-types.
2441 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
2442 in case of multiple data-types; the smallest type determines the VF.
2443 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
2444 if they are of different sizes.
2445 (vect_update_misalignment_for_peel): Compare misalignments in terms of
2446 number of elements rather than number of bytes.
2447 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
2448 (vect_can_advance_ivs_p): Fix a dump printout
2450 2006-11-07 Eric Christopher <echristo@apple.com>
2452 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
2453 (__bswapsi2): Ditto.
2454 * libgcc2.h: Remove transformation of bswap routines.
2455 * config/i386/i386.md (bswapsi2): New.
2458 2006-11-07 Jakub Jelinek <jakub@redhat.com>
2460 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
2461 (handle_gnu_inline_attribute): New function.
2462 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
2463 (merge_decls, start_decl, start_function): Likewise.
2464 * doc/extend.texi: Document gnu_inline attribute.
2466 2006-11-07 Steve Ellcey <sje@cup.hp.com>
2469 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
2470 _fixunstfdi, and _floatditf
2472 2006-11-06 Anatoly Sokolov <aesok@post.ru>
2474 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
2476 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
2477 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
2478 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
2479 which start in an odd register.
2481 2006-11-07 Richard Sandiford <richard@codesourcery.com>
2483 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
2485 2006-11-07 Josh Conner <jconner@apple.com>
2487 * doc/invoke.texi (fstrict-aliasing): Move implementation
2489 * doc/tree-ssa.texi (Alias analysis): ...here.
2491 2006-11-07 Richard Guenther <rguenther@suse.de>
2493 PR tree-optimization/29610
2494 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
2495 of tree_purge_dead_eh_edges as it may free dominators.
2497 * g++.dg/other/pr29610.C: New testcase.
2499 2006-11-07 David Ung <davidu@mips.com>
2501 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
2502 costs when optimizing for size.
2503 (override_options): Use mips_rtx_cost_optimize_size table for cost
2506 2006-11-07 Jie Zhang <jie.zhang@analog.com>
2508 * gcc.c (process_command): Treat -b as normal switch if its argument
2511 2006-11-07 David Ung <davidu@mips.com>
2513 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
2516 2006-11-06 Eric Christopher <echristo@apple.com>
2518 * config.gcc: Add x86_64-darwin host support.
2519 * config.host: Ditto.
2520 * config/i386/darwin64.h: New file.
2521 * config/i386/t-darwin64: Ditto.
2523 2006-11-06 Janis Johnson <janis187@us.ibm.com>
2525 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
2526 and output-exists-not.
2528 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2531 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
2532 checking for overflow.
2534 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
2536 * configure.ac: Fixed typo in case statement: :: changed to ;;
2538 2006-11-06 Bob Wilson <bob.wilson@acm.org>
2540 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
2541 count_leading_zeros, and count_trailing_zeros.
2542 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
2543 (TARGET_FOLD_BUILTIN): Define.
2544 (TARGET_EXPAND_BUILTIN): Define.
2545 (xtensa_init_builtins): New.
2546 (xtensa_fold_builtin): New.
2547 (xtensa_expand_builtin): New.
2548 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
2549 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
2550 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
2551 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
2552 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
2553 (any_extend): New code macro.
2554 (u, su): New code attributes.
2555 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
2556 (nsau): Remove; replaced by clzsi2.
2557 (ffssi2): Use clzsi2.
2558 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
2559 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
2560 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
2561 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
2562 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
2564 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
2566 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
2568 * config/arm/t-strongarm-elf: Likewise.
2569 * config/arm/t-pe: Likewise.
2570 * config/arm/t-arm-elf: Likewise.
2571 * config/arm/t-xscale-elf: Likewise.
2572 * config/arm/t-arm-coff: Likewise.
2573 * config/arm/t-xscale-coff: Likewise.
2574 * config/arm/t-wince-pe: Likewise.
2576 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
2578 * config/sh/lib1funcs-4-300.asm: Guard entire file with
2581 2006-11-05 Jakub Jelinek <jakub@redhat.com>
2584 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
2587 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2590 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
2591 as a valid 80387 constant.
2592 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
2593 * config/i386/i386.md (unnamed splitter): Split the load of
2594 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
2597 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
2599 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
2600 from the soft-frame, argument and virtual registers.
2602 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2604 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
2605 patterns for standard 80387 constants.
2607 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
2608 Steven Bosscher <steven@gcc.gnu.org>
2610 * fwprop.c: New file.
2611 * Makefile.in: Add fwprop.o.
2612 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
2613 * passes.c (init_optimization_passes): Schedule forward propagation.
2614 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
2616 * timevar.def (TV_FWPROP): New.
2617 * common.opt (-fforward-propagate): New.
2618 * opts.c (decode_options): Enable forward propagation at -O2.
2619 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
2620 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
2621 canon_for_address, table_size): Remove.
2622 (new_basic_block, insert, remove_from_table): Remove references to
2624 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
2625 simplification loop more straightforward by not calling fold_rtx
2627 (equiv_constant): Move here a small part of fold_rtx_subreg,
2628 do not call fold_rtx. Call avoid_constant_pool_reference
2630 * recog.h (canonicalize_change_group): New.
2632 * doc/invoke.texi (Optimization Options): Document fwprop.
2633 * doc/passes.texi (RTL passes): Document fwprop.
2635 2006-11-03 Geoffrey Keating <geoffk@apple.com>
2637 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
2638 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
2639 (grokdeclarator): Likewise.
2641 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
2643 * tree-dump.c (dump_enable_all): Rename local variable
2644 ir_type to avoid name conflicts.
2645 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
2646 instead of using ir_type().
2647 * profile.c (tree_register_profile_hooks): Likewise.
2648 * value-prof.c (tree_register_value_prof_hooks): Likewise.
2649 * basic-block.h (struct edge_def): Likewise.
2650 * config/arm/arm.c (legitimize_pic_address): Likewise.
2651 * coretypes.h (ir_type): New enum of all intermediate languages
2653 * cfghooks.c (ir_type): Rename to...
2654 (current_ir_type): ...this. Distinguish between cfgrtl and
2655 cfglayout mode when the current IR is RTL. Return enum ir_type.
2656 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
2658 2006-11-03 Paul Brook <paul@codesourcery.com>
2660 * config/arm/arm.c (arm_file_start): New function.
2661 (TARGET_ASM_FILE_START): Define.
2662 (arm_default_cpu): New variable.
2663 (arm_override_options): Set arm_default_cpu.
2665 2006-11-03 David Ung <davidu@mips.com>
2667 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
2668 PROCESSOR_24KC and PROCESSOR_24KF.
2669 * config/mips/mips.c (mips_cpu_info_table): Add processor names
2670 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
2671 (mips_rtx_cost_data): Add costs for the 24kc.
2672 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
2673 * config/mips/24k.md: Remove references to 24k and replace with
2674 uses of 24kc/24kf in the appropriate reservations.
2675 * doc/invoke.texi (MIPS Options): Updated.
2677 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2679 * config/sh/crt1.asm: Fix #ifdef indent.
2681 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2682 Merged from STMicroelectronics sources:
2683 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
2684 * config/sh/crt1.asm (vbr_600): Add missing #if.
2685 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
2686 * sh.opt (mfused-madd): New option.
2687 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
2688 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2689 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
2690 Remove pointless handler at VBR+0.
2691 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
2692 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
2693 fr7. Make sure the timer handler is called with the correct FPU
2694 precision setting, according to the ABI.
2695 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
2696 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
2697 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
2698 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
2699 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
2700 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
2701 zero as second operand.
2702 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
2703 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2704 Fixed some bugs related to negative values, in particular -0
2705 and overflow at -0x80000000.
2706 * config/sh/divcost-analysis: Added sh4-300 figures.
2707 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
2708 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
2709 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
2710 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
2711 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
2712 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2714 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
2716 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
2717 SH4-300 scheduling description & fixes to SH4-[12]00 description:
2718 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
2719 mac_mem, mem_mac, dfp_mul, fp_cmp.
2720 (insn_class, dfp_comp, any_fp_comp): Update.
2721 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
2722 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
2723 (muldf3_i): Likewise.
2724 (movsi_i): Split rI08 alternative into two separate alternatives.
2726 (movsi_ie, movsi_i_lowpart): Likewise.
2727 (movqi_i): Split ri alternative into two separate alternatives.
2729 * sh1.md (sh1_load_store, sh1_fp): Update.
2730 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
2731 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
2732 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
2733 (sh4a_fp_double_arith): Likewise.
2734 * sh4-300.md: New file.
2735 * sh.c (sh_handle_option): Handle m4-300* options.
2736 (sh_adjust_cost): Fix latency of auto-increments.
2737 Handle SH4-300 differently than other SH4s. Check for new insn types.
2738 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
2739 been set by an option.
2740 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
2741 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
2742 (mbranch-cost=): Likewise.
2743 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
2745 * sh.md (mulsf3): Remove special expansion code.
2746 (mulsf3_ie): Now a define_insn_and_split.
2747 (macsf3): Allow for TARGET_SH4.
2749 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
2750 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
2751 (expand_cbranchdi4): Likewise.
2752 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
2753 CONST_DOUBLE if the outer code is COMPARE.
2754 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
2755 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
2756 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
2757 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
2758 Remove redundant fp_{zero,one}_operand checks.
2759 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
2760 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
2761 (expand_cbranchdi4): Likewise.
2762 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
2763 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
2765 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
2767 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
2770 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
2772 * doc/invoke.texi: Fix mfp-trap-mode typo.
2774 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
2776 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
2777 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
2778 file_end_indicate_exec_stack.
2779 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
2781 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
2782 for a non-executable stack.
2783 * crti.asm: Likewise.
2784 * crtn.asm: Likewise.
2785 * libunwind.S: Likewise.
2787 2006-11-02 Ben Elliston <bje@au.ibm.com>
2789 * tree-ssa.c (warn_uninit): Use expand_location variables for
2790 locus and declaration locus.
2792 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
2795 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
2796 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
2797 cmp{eq,gt,gtu}{si,di}_media.
2798 (*cmpne0si_media): Remove.
2799 (*movsicc_umin): Adjust gen_cmp*_media call.
2800 (unordered): Change the mode of unordered and operands[1] to
2802 (seq): Adjust gen_cmp*_media calls. Make the mode of
2803 a temporary result of compare SImode if needed. If the mode
2804 of operands[0] is DImode, extend the temporary result to DImode.
2805 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
2806 (sunorderd): Change the mode of match_operand and unorderd to
2808 (cmpeq{sf,df}_media): Remove.
2809 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
2810 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
2811 and compare operation to SImode.
2813 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
2815 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
2817 (sparc64-sun-solaris2*): Likewise.
2819 2006-11-02 Paul Brook <paul@codesourcery.com>
2821 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
2822 from priority argument. Use different section for non-default
2824 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
2826 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
2829 * except.c (switch_to_exception_section): Do not cache the section
2830 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2831 and flag_function_sections is set.
2833 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2836 * builtins.c (do_mpfr_sincos): New.
2837 (fold_builtin_1): Use it to fold builtin sincos.
2839 2006-11-01 Roger Sayle <roger@eyesopen.com>
2841 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
2842 it into -D_REENTRANT.
2844 2006-11-01 Roger Sayle <roger@eyesopen.com>
2846 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
2847 whether the assembler supports taking the difference of symbols in
2848 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
2849 * configure: Regenerate.
2850 * config.in: Regenerate.
2851 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
2852 the assembler doesn't support taking the difference of symbols in
2853 different sections, i.e. we're using the native solaris assembler.
2855 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
2856 Peter Bergner <bergner@vnet.ibm.com>
2858 * doc/invoke.texi: Add cpu_type power6x
2859 (RS/6000 and PowerPC Options): Add -mmfpgpr.
2860 * config.gcc: Add cpu_type power6x.
2861 * configure.ac: Add test for mf{t,f}gpr instructions.
2862 (HAVE_AS_MFPGPR): New.
2863 * config.in: Regenerate.
2864 * configure: Regenerate.
2865 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
2866 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
2867 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
2868 and mftgpr attributes.
2869 (define_attr "cpu"): Add power6.
2870 Change instruction sequences to use new attributes.
2871 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
2872 (fix_truncdfsi2_mfpgpr): New.
2873 (floatsidf_ppc64_mfpgpr): New.
2874 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
2875 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
2876 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
2877 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
2878 (fix_truncdfsi2): Use gpc_reg_operand constraint.
2879 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
2880 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
2881 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
2882 cntlz,exts and var_delayed_compare.
2883 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2884 _ARCH_PWR6X, if features enabled.
2885 * config/rs6000/rs6000.opt (mmfpgpr): New.
2886 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
2887 (cached_can_issue_more): New variable.
2888 (processor_costs): Add power6_cost.
2889 (rs6000_sched_init): New function.
2890 (is_dispatch_slot_restricted): Deleted.
2891 (set_to_load_agen): New function.
2892 (is_load_insn,is_store_insn): New functions.
2893 (adjacent_mem_locations): New function.
2894 (insn_must_be_first_in_group): New function.
2895 (insn_must_be_last_in_group): New function.
2896 (rs6000_sched_reorder): New function.
2897 (rs6000_sched_reorder2): New function.
2898 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
2899 TARGET_SCHED_REORDER2): Define.
2900 (processor_target_table): Use PROCESSOR_POWER6 for power6.
2901 Add power6x. Add MASK_MFPGPR for power6x.
2902 (POWERPC_MASKS): Add MASK_MFPGPR.
2903 (rs6000_override_options): Set rs6000_always_hint to false
2904 for power6. Set rs6000_align_branch_targets. Replace
2905 rs6000_sched_groups check with rs6000_align_branch_targets.
2906 Use PROCESSOR_POWER6.
2907 (last_scheduled_insn): New variable.
2908 (load_store_pendulum): New variable.
2909 (rs6000_variable_issue): Set last_scheduled_insn and
2910 cached_can_issue_more.
2911 (rs6000_adjust_cost): Add power6 cost adjustments.
2912 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
2913 with insn_must_be_first_in_group. Add power6 priority adjustments.
2914 (rs6000_issue_rate): Add CPU_POWER6.
2915 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
2916 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
2917 (TARGET_MFPGPR): New.
2918 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
2919 (ASM_CPU_SPEC): Add power6x.
2920 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
2922 * config/rs6000/power6.md: New file.
2924 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
2926 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2927 HOST_WIDE_INT_PRINT to print high and low parts. Use
2928 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
2929 printing a hexadecimal number prefix it with 0x.
2931 2006-11-01 Chris Johns <chris@contemporary.net.au>
2934 * Makefile.in (install-driver): Use exeext when installing
2935 $target-gcc-$version.
2937 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
2939 * c-common.c (flag_cpp0x): New.
2940 * c-common.h (flag_cpp0x): New.
2941 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
2942 supported, define __GXX_EXPERIMENTAL_CPP0X__.
2943 * c-opts.c (set_std_cxx0x): New.
2944 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
2945 * c.opt (std=c++0x): Document.
2946 (std=gnu++0x): Ditto.
2947 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
2948 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
2950 2006-11-01 Richard Guenther <rguenther@suse.de>
2952 * config/i386/i386.c (ix86_expand_rint): Fix issues with
2954 (ix86_expand_floorceildf_32): Likewise.
2955 (ix86_expand_floorceil): Likewise.
2956 (ix86_expand_trunc): Likewise.
2958 2006-10-31 Andrew Pinski <pinskia@gmail.com>
2960 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
2963 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
2965 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
2967 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
2969 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
2971 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
2972 * configure.ac (use_cxa_atexit): As a special case, don't test
2973 for libc definition of __cxa_atexit on mingw32
2974 * configure: Regenerate.
2975 * config.gcc (i[34567]86-pc-mingw32): Default to
2976 enable__cxa_atexit=yes.
2978 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2980 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
2982 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2985 * c-decl.c (start_struct): Don't create self-containing
2987 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2989 * config/rs6000/rs6000-protos.h
2990 (darwin_rs6000_special_round_type_align): New.
2991 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
2992 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
2994 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2996 * toplev.c (compile_file): Call final_write_globals
2997 even if there have been errors.
2999 2006-10-31 Eric Christopher <echristo@apple.com>
3000 Falk Hueffner <falk@debian.org>
3002 * doc/extend.texi (__builtin_bswap32): Document.
3003 (__builtin_bswap64): Ditto.
3004 * doc/libgcc.texi (bswapsi2): Document.
3006 * doc/rtl.texi (bswap): Document.
3007 * optabs.c (expand_unop): Don't widen a bswap.
3008 (init_optabs): Init bswap. Set libfuncs explicitly
3009 for bswapsi2 and bswapdi2.
3010 * optabs.h (OTI_bswap): New.
3011 (bswap_optab): Ditto.
3012 * genopinit.c (optabs): Handle bswap_optab.
3013 * tree.h (tree_index): Add TI_UINT32_TYPE and
3015 (uint32_type_node): New.
3016 (uint64_type_node): Ditto.
3017 * tree.c (build_common_tree_nodes_2): Initialize
3018 uint32_type_node and uint64_type_node.
3019 * builtins.c (expand_builtin_bswap): New.
3020 (expand_builtin): Call.
3021 (fold_builtin_bswap): New.
3022 (fold_builtin_1): Call.
3023 * fold-const.c (tree_expr_nonnegative_p): Return true
3025 * builtin-types.def (BT_UINT32): New.
3027 (BT_FN_UINT32_UINT32): Ditto.
3028 (BT_FN_UINT64_UINT64): Ditto.
3029 * builtins.def (BUILT_IN_BSWAP32): New.
3030 (BUILT_IN_BSWAP64): Ditto.
3031 * rtl.def (BSWAP): New.
3032 * genattrtab.c (check_attr_value): New.
3033 * libgcc2.c (__bswapSI2): New.
3034 (__bswapDI2): Ditto.
3035 * libgcc2.h (__bswapSI2): Declare.
3036 (__bswapDI2): Ditto.
3037 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
3038 * simplify-rtx.c (simplify_const_unary_operation): Return
3040 * libgcc-std.ver (__bwapsi2): Add.
3041 (__bswapdi2): Ditto.
3042 * reload1.c (eliminate_regs_1): Add bswap.
3043 (elimination_effects): Ditto.
3044 * config/i386/i386.h (x86_bswap): New.
3045 (TARGET_BSWAP): Use.
3046 * config/i386/i386.c (x86_bswap): Set.
3048 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3050 * coverage.c (coverage_checksum_string): Update comment.
3051 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
3052 of get_file_function_name.
3053 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
3054 of get_file_function_name_long.
3055 * tree.c (get_file_function_name): Rename from
3056 get_file_function_name_long; improve comment; handle 'I' and 'D'
3057 specially when the target has ctor/dtor support; remove special
3059 (get_file_function_name): Remove.
3060 * tree.h (get_file_function_name): Rename from
3061 get_file_function_name_long.
3062 (get_file_function_name): Remove prototype.
3064 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3066 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
3067 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
3069 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
3070 Call dsymutil when compiling and linking one or more source files
3073 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3076 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
3078 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3080 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
3081 inline static functions in c99 mode.
3084 * doc/extend.texi (Inline): Update.
3085 * c-tree.h (struct language_function): Remove field 'extern_inline'.
3086 * c-decl.c (current_extern_inline): Delete.
3087 (pop_scope): Adjust test for an undefined nested function.
3088 Add warning about undeclared inline function.
3089 (diagnose_mismatched_decls): Update comments. Disallow overriding
3090 of inline functions in a translation unit in C99. Allow inline
3091 declarations in C99 at any time.
3092 (merge_decls): Boolize variables. Handle C99 'extern inline'
3094 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
3095 C99 inline semantics.
3096 (start_function): Don't clear current_extern_inline. Don't set
3098 (c_push_function_context): Don't push current_extern_inline.
3099 (c_pop_function_context): Don't restore current_extern_inline.
3102 * c-typeck.c (build_external_ref): Warn about static variables
3103 used in extern inline functions.
3104 * c-decl.c (start_decl): Warn about static variables declared
3105 in extern inline functions.
3107 2006-10-31 Roger Sayle <roger@eyesopen.com>
3110 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
3111 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
3112 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
3113 or y is an even integer.
3115 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
3118 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
3119 * gthr-posix95.h (__gthread_active_p): Likewise.
3121 2006-10-31 Richard Guenther <rguenther@suse.de>
3123 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
3124 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
3125 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
3126 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
3127 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
3128 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
3129 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
3130 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
3133 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
3135 * opts.c (decode_options): Disable CSE skip blocks.
3137 2006-10-30 Dirk Mueller <dmueller@suse.de>
3139 * c-common.h (strict_aliasing_warning): Fix whitespace.
3140 * c-decl (start_function): Move code for main decl warning ..
3141 * c-common.c (check_main_parameter_types): .. here.
3142 * c-common.h (check_main_parameter_types): Declare.
3144 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3147 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
3149 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
3151 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
3152 be a PARALLEL containing sets. Return false when out_pat is not
3155 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3157 * config/mips/mips.md (mul<mode>3): Split into...
3158 (mulsi3, muldi3): ...these separate patterns.
3160 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3162 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
3163 but with each set of options separated by spaces.
3165 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
3167 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
3168 dwarf_reg_size_table has been initialized.
3170 2006-10-30 Roger Sayle <roger@eyesopen.com>
3172 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
3173 * ddg.c (print_ddg_edge): Likewise.
3174 * dwarf2out.c (prune_unused_types_walk): Likewise.
3175 * ifcvt.c (noce_try_cmove_arith): Likewise.
3176 * langhooks.c (add_builtin_function): Likewise.
3177 * reg-stack.c (subst_stack_regs_pat): Likewise.
3178 * tree.c (expanded_location): Likewise.
3179 * tree-dump.c (dequeue_and_dump): Likewise.
3181 2006-10-30 David Daney <ddaney@avtrex.com>
3183 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
3185 2006-10-30 Jakub Jelinek <jakub@redhat.com>
3187 PR tree-optimization/29637
3188 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
3189 of the innertype is the innertype itself.
3191 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
3193 * dwarf2out.c (file_name_acquire): Correct typo.
3195 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
3197 * tree.h (tree_value_handle): Remove struct value_set declaration.
3198 Change value_set to bitmap_set.
3199 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
3200 * tree-vn.c (get_value_handle): Made inline and moved to
3202 * tree-flow-inline.h: (has_stmt_ann): New function.
3203 * tree-ssa-pre.c (expressions): New variable.
3204 (next_expression_id): Ditto.
3205 (alloc_expression_id): New function.
3206 (struct value_set): Remove.
3207 (get_expression_id): New function.
3208 (get_or_alloc_expression_id): Ditto.
3209 (expression_for_id): Ditto.
3210 (clear_expression_ids): Ditto.
3211 (FOR_EACH_EXPR_ID_IN_SET): New macro.
3212 (bb_value_sets): Renamed to bb_bitmap_sets.
3213 All value sets replaced with bitmap_sets.
3215 (BB_VISITED): New macro.
3216 (postorder): New variable.
3217 (add_to_value): Removed.
3218 (value_exists_in_set_bitmap): Ditto.
3219 (value_insert_into_set_bitmap): Ditto.
3222 (set_remove): Ditto.
3223 (set_contains_value): Ditto.
3224 (insert_into_set): Ditto.
3226 (find_leader): Ditto.
3227 (bitmap_set_subtract_from_value_set): Ditto.
3228 (value_insert_into_set): Ditto.
3229 (print_value_set): Ditto.
3230 (debug_value_set): Ditto.
3231 (constant_expr_p): New function.
3232 (bitmap_remove_from_set): Ditto.
3233 (bitmap_insert_into_set): Ditto.
3234 (bitmap_set_free): Ditto.
3235 (vh_compare): Ditto.
3236 (sorted_array_from_bitmap_set): Ditto.
3237 (bitmap_set_subtract): Ditto.
3238 (bitmap_set_equal): Ditto.
3239 (debug_bitmap_set): Ditto.
3240 (find_leader_in_sets): Ditto.
3241 (bitmap_set_replace_value): Modify for bitmapped sets.
3242 (phi_translate): Ditto.
3243 (phi_translate_set): Ditto.
3244 (bitmap_find_leader): Ditto.
3245 (valid_in_sets): Ditto.
3246 (union_contains_value): Ditto.
3248 (compute_antic_aux): Ditto. Mark changed blocks.
3249 (compute_antic): Ditto. Iterate in postorder and only over
3251 (compute_rvuse_and_antic_safe): Reuse postorder.
3252 (create_component_ref_by_pieces): Modify for bitmapped sets.
3253 (find_or_generate_expression): Ditto.
3254 (create_expression_by_pieces): Ditto.
3255 (insert_into_preds_of_block): Ditto.
3256 (changed_blocks): New variable.
3257 (do_regular_insertion): Broken out from insert_aux.
3258 (insert_aux): Modified for bitmapped sets.
3259 (find_existing_value_expr): New function.
3260 (create_value_expr_from): Use it.
3261 (insert_extra_phis): Removed.
3262 (print_bitmap_set): Renamed from bitmap_print_value_set.
3263 (compute_avail): Handle RETURN_EXPR.
3264 (init_pre): Modify for bitmapped sets.
3265 * tree-flow.h (has_stmt_ann): New function.
3267 2006-10-29 Roger Sayle <roger@eyesopen.com>
3269 * builtins.c (fold_builtin_floor): Check for the availability of
3270 the C99 trunc function before transforming floor into trunc.
3272 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3274 * builtins.c (fold_builtin_hypot): Rearrange recursive
3275 transformation before others, and also do ABS_EXPR. When
3276 necessary, check flag_unsafe_math_optimizations. When necessary,
3279 2006-10-29 Roger Sayle <roger@eyesopen.com>
3281 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
3282 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
3283 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
3284 Fold -X eq/ne -Y as X eq/ne Y.
3286 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3288 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
3289 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
3290 rather than GENERATE_MULT3_SI in the various define_peephole2s.
3291 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
3292 Use an inclusive test for "mult" rather than "mul".
3293 (rotr<mode>3): Depend on ISA_HAS_ROR.
3294 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
3296 (GENERATE_MULT3_DI): Delete.
3297 (ISA_HAS_64BIT_REGS): Use consistent formatting.
3298 (ISA_HAS_MUL3): New macro.
3299 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
3300 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
3301 (ISA_HAS_CLZ_CLO): Likewise.
3302 (ISA_HAS_DCLZ_DCLO): Delete.
3303 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
3304 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
3305 the VR4120 and VR4130.
3306 (ISA_HAS_MACCHI): Use consistent formatting.
3307 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
3308 (ISA_HAS_ROR): ...this new macro.
3309 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
3310 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
3311 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
3313 2006-10-29 Roger Sayle <roger@eyesopen.com>
3315 PR tree-optimization/15458
3316 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
3319 2006-10-29 Richard Guenther <rguenther@suse.de>
3321 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
3322 (ix86_expand_truncdf_32): Likewise.
3323 * config/i386/i386.c (ix86_expand_trunc): New function expanding
3324 trunc inline for SSE math and -fno-trapping-math and if not
3325 optimizing for size.
3326 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
3327 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
3328 for expanding btrunc inline for SSE math.
3330 2006-10-29 Joseph Myers <joseph@codesourcery.com>
3332 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
3333 Handle tuning for bi-arch i[34567]86-*-linux* like that for
3334 i[34567]86-*-solaris2.1[0-9]*.
3335 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
3336 Define conditionally depending on TARGET_64BIT_DEFAULT.
3337 (SPEC_32, SPEC_64): Define.
3338 (LINK_SPEC): Use them.
3339 * doc/install.texi (--enable-targets=all): Document for x86-linux.
3341 2006-10-29 Richard Guenther <rguenther@suse.de>
3343 * config/i386/i386-protos.h (ix86_expand_round): Declare.
3344 (ix86_expand_rounddf_32): Likewise.
3345 * config/i386/i386.c (ix86_expand_round): New function expanding
3346 round inline for SSE math and -fno-trapping-math and if not
3347 optimizing for size.
3348 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
3349 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
3350 round via ix86_expand_round.
3352 2006-10-29 Richard Guenther <rguenther@suse.de>
3354 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
3355 (ix86_expand_floorceildf_32): Likewise.
3356 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
3357 static helper function.
3358 (ix86_expand_floorceil): Expander for floor and ceil to SSE
3360 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
3361 * config/i386/i386.md (floordf2): Adjust to enable floor
3362 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
3363 -fno-trapping-math is enabled and if not optimizing for size.
3364 (floorsf2, ceildf2, ceilsf2): Likewise.
3365 * config/i386/sse.md (sse_maskcmpsf3): New insn.
3366 (sse2_maskcmpdf3): Likewise.
3368 2006-10-29 Richard Guenther <rguenther@suse.de>
3370 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
3371 rint in case -fno-trapping-math is enabled.
3372 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
3373 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
3374 (ix86_expand_sse_fabs): Likewise.
3375 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
3376 * config/i386/i386.md (rintdf2): Enable for SSE math if
3377 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
3378 (rintsf2): Likewise.
3380 2006-10-29 Richard Guenther <rguenther@suse.de>
3382 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
3383 to conversion optabs.
3384 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
3385 as conversion optab.
3386 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
3387 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
3388 (lfloor_optab, lceil_optab): Adjust defines.
3389 * builtins.c (expand_builtin_int_roundingfn): Adjust for
3390 lfloor and lceil optabs now being conversion optabs.
3391 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
3392 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
3393 New static helper function.
3394 (ix86_expand_lfloorceil): New function to expand lfloor and
3396 * config/i386/i386.md (lfloor<mode>2): Split into ...
3397 (lfloorxf<mode>2): ... x87 variant
3398 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
3399 using ix86_expand_lfloorceil.
3400 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
3402 * doc/md.texi (lfloorMN, lceilMN): Document.
3404 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3406 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
3407 -mno-shared assembler option on mips targets.
3408 * configure, config.in: Regenerate.
3409 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
3410 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
3411 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
3413 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3415 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
3416 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
3418 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
3420 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
3421 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
3424 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3427 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
3428 (fold_builtin_pow): Evaluate constant arguments at compile-time
3430 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
3431 (do_mpfr_ckconv): New helper function.
3432 (do_mpfr_arg1): Use do_mpfr_ckconv.
3433 (do_mpfr_arg2): New.
3435 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
3438 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
3439 (-fdump-rtl-sched): Rename to ..
3440 (-fdump-rtl-sched1): here. Also fix file extension number.
3442 2006-10-28 Richard Guenther <rguenther@suse.de>
3444 * fold-const.c (maybe_canonicalize_comparison): Fix code
3447 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3449 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
3450 (NON_QI_REG_P): Use IN_RANGE.
3451 (REX_INT_REGNO_P): Use IN_RANGE.
3452 (FP_REGNO_P): Use IN_RANGE.
3453 (SSE_REGNO_P): Use IN_RANGE.
3454 (REX_SSE_REGNO_P): Use IN_RANGE.
3455 (MMX_REGNO_P): Use IN_RANGE.
3456 (STACK_REGNO_P): New macro.
3457 (STACK_REG_P): Use STACK_REGNO_P.
3458 (NON_STACK_REG_P): Use STACK_REGNO_P.
3459 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
3460 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
3461 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
3462 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
3463 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
3465 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
3467 * except.h (output_function_exception_table): Add 'const char*' param.
3468 * except.c (switch_to_exception_section): Add 'const char*' param.
3469 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
3470 and flag_function_sections is set, use a function-specific section.
3471 (output_function_exception_table): Add 'const char*' param.
3472 Adjust call to switch_to_exception_section.
3473 * final.c (rest_of_handle_final): Adjust calls to
3474 output_function_exception_table.
3475 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
3476 * config.in: Regenerate.
3477 * configure: Likewise.
3479 2006-10-28 Richard Guenther <rguenther@suse.de>
3482 * fold-const.c (maybe_canonicalize_comparison_1): Helper
3483 for maybe_canonicalize_comparison.
3484 (maybe_canonicalize_comparison): New function for canonicalizing
3486 (fold_comparison): Call it to canonicalize comparisons with
3489 2006-10-28 Richard Guenther <rguenther@suse.de>
3492 * builtins.c (expand_builtin_int_roundingfn_2): Expand
3493 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
3494 (expand_builtin): Adjust likewise.
3495 * genopinit.c (optabs[]): Add lround optab.
3496 * optabs.c (init_optabs): Initialize lround_optab.
3497 * optabs.h (enum convert_optab_index): Add COI_lround.
3498 (lround_optab): Define.
3499 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
3500 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
3502 (ix86_expand_lround): New function.
3503 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
3505 * doc/md.texi (lroundMN2): Document.
3507 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3510 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
3511 argument to HOST_WIDE_INT. Update function prototype.
3512 (round_frame_size): Change return type to HOST_WIDE_INT. Change
3513 "size" argument to HOST_WIDE_INT. Update function prototype.
3515 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3517 * config/i386/i386.c (output_387_ffreep): Create output from a
3518 template string for !HAVE_AS_IX86_FFREEP.
3520 2006-10-27 Eric Christopher <echristo@apple.com>
3522 * config/darwin.c: Fix formatting and grammar.
3524 2006-10-27 Jan Hubicka <jh@suse.cz>
3526 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
3527 to be thrown away soon when IGNORE is set.
3528 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
3529 indicating when return value shall not be computed.
3530 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
3532 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
3534 * config/i386/i386.h (TARGET_GEODE):
3535 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
3536 (TARGET_CPU_DEFAULT_geode): New macro.
3537 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
3538 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
3539 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
3540 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
3541 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
3543 (TARGET_CPU_DEFAULT_NAMES): Add geode.
3544 (processor_type): Add PROCESSOR_GEODE.
3546 * config/i386/i386.md: Include geode.md.
3549 * config/i386/i386.c (geode_cost): New initialized global
3551 (m_GEODE, m_K6_GEODE): New macros.
3552 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
3553 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
3554 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
3555 x86_schedule): Use m_K6_GEODE instead of m_K6.
3556 (x86_movx, x86_cmove): Set up m_GEODE.
3557 (x86_integer_DFmode_moves): Clear m_GEODE.
3558 (processor_target_table): Add entry for geode.
3559 (processor_alias_table): Ditto.
3561 * config/i386/geode.md: New file.
3563 * doc/invoke.texi: Add entry about geode processor.
3565 2006-10-27 Mike Stump <mrs@apple.com>
3567 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
3568 __DYNAMIC__ from here back to ...
3569 * config/darwin.h (CPP_SPEC): ... here.
3571 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3572 Nathan Sidwell <nathan@codesourcery.com>
3574 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
3575 when choosing the minimum heapsize.
3577 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3579 * gcc/unwind-dw2.h: Move cfa-related variables into
3580 struct frame_state_reg_info to ensure that the CFA is properly
3581 handled when executing DW_CFA_{remember,restore}_state.
3582 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
3583 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
3584 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
3585 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
3586 gcc/config/rs6000/linux-unwind.h,
3587 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
3588 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
3589 Modify to use new cfa_* fields.
3591 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
3593 * config/s390/s390.c (s390_init_frame_layout): Check positive
3596 2006-10-26 Ben Elliston <bje@au.ibm.com>
3598 * gimplify.c (get_name): Remove extraneous break.
3599 (gimplify_omp_for): Initialise ret with GS_OK.
3601 2006-10-25 Steve Ellcey <sje@cup.hp.com>
3603 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
3604 Add unix98.o to link line.
3606 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3609 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
3610 Calculate compile-time constants using MPFR.
3611 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
3612 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
3614 2006-10-25 Bob Wilson <bob.wilson@acm.org>
3616 * config/xtensa/lib2funcs.S: Use C-style comments.
3618 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
3620 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
3621 (file_table_relative_p): Likewise.
3622 (dwarf2out_finish): Likewise.
3623 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
3625 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
3627 * tree-ssa-structalias.c (intra_create_variable_infos):
3628 Don't recreate nonlocal_all if it already exists.
3630 2006-10-25 Richard Guenther <rguenther@suse.de>
3633 * optabs.h (enum optab_index): Remove OTI_lrint.
3634 (enum convert_optab_index): Add COI_lrint.
3635 (lrint_optab): Adjust.
3636 (expand_sfix_optab): Declare.
3637 * optabs.c (expand_sfix_optab): New function.
3638 (init_optabs): Init lrint_optab as conversion optab.
3639 * genopinit.c (lrint_optab): Change to a conversion optab.
3640 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
3641 expansion via conversion optab.
3642 * config/i386/i386.md (*fistdi2_1): Remove
3643 flag_unsafe_math_optimizations guard.
3644 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
3645 fist<mode>2_with_temp): Likewise.
3646 (lrint<mode>2): Split into...
3647 (lrintxf<mode>2): ... x87 part
3648 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
3649 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
3650 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
3651 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
3652 * doc/md.texi (lrintMN2): Document.
3654 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3657 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
3658 Use inc and dec instructions for TARGET_USE_INCDEC.
3659 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
3660 ("sync_double_compare_and_swap<mode>"): Likewise.
3661 ("*sync_double_compare_and_swapdi_pic"): Likewise.
3662 ("*sync_compare_and_swap_cc<mode>"): Likewise.
3663 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
3664 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
3665 ("sync_old_add<mode>"): Likewise.
3666 ("sync_lock_test_and_set<mode>"): Likewise.
3667 ("sync_lock_test_and_set<mode>"): Likewise.
3668 ("sync_add<mode>"): Likewise.
3669 ("sync_sub<mode>"): Likewise.
3670 ("sync_ior<mode>"): Likewise.
3671 ("sync_and<mode>"): Likewise.
3672 ("sync_xor<mode>"): Likewise.
3674 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3676 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
3677 (remainder_optab): Define corresponding macro.
3678 (drem_optab): Remove.
3679 * optabs.c (init_optabs): Initialize remainder_optab. Remove
3680 drem_optab initialization.
3681 * genopinit.c (optabs): Implement remainder_optab using
3682 remainder?f3 patterns. Remove drem_optab.
3683 * builtins.c (expand_builtin_mathfn_2): Handle
3684 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
3685 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
3686 expand_builtin_mathfn_2.
3688 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
3689 depend on flag_unsafe_math_optimizations.
3691 * config/i386/i386.md ("remaindersf3", "remainderdf3")
3692 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
3693 Do not depend on flag_unsafe_math_optimizations. Use
3694 truncxf?f expander instead of truncxf?f_i387_noop.
3696 ("fpremxf4", "fprem1xf4"): Do not depend on
3697 flag_unsafe_math_optimizations.
3698 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
3699 flag_unsafe_math_optimizations. Use truncxf?f expander
3700 instead of truncxf?f_i387_noop.
3702 * doc/md.texi (fmod, remainder): Document standard named pattern.
3704 2006-10-24 Richard Sandiford <richard@codesourcery.com>
3705 David Daney <ddaney@avtrex.com>
3708 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
3710 2006-10-25 Ben Elliston <bje@au.ibm.com>
3712 * doc/extend.texi (Variable Attributes): Typo fix.
3714 2006-10-24 Uros Bizjak <uros@kss-loka.si>
3716 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
3717 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
3718 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
3719 (FRAME_POINTER_REGNUM): Update register number to 21.
3720 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
3721 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
3723 * config/i386/i386.c (regclass_map): Add fpcr entry.
3724 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
3726 (print_reg): Assert REGNO (x) != FPCR_REG.
3728 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
3729 (DIRFLAG_REG): Renumber.
3730 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
3731 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
3732 (sse_prologue_save, *sse_prologue_save_insn): Renumber
3733 hardcoded SSE register numbers.
3735 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
3736 hardcoded MMX register numbers.
3738 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3741 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
3742 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
3744 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
3745 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
3746 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
3747 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
3749 2006-10-24 Richard Guenther <rguenther@suse.de>
3752 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
3753 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
3754 for deciding optimizations in consistency with fold-const.c
3755 (fold_builtin_unordered_cmp): Likewise.
3757 2006-10-24 Richard Guenther <rguenther@suse.de>
3759 * builtins.c (fold_builtin_floor): Fold floor (x) where
3760 x is nonnegative to trunc (x).
3761 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
3762 nonnegative to FIX_TRUNC_EXPR.
3764 2006-10-24 Richard Guenther <rguenther@suse.de>
3766 PR tree-optimization/29567
3767 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
3768 for TRUTH_NOT_EXPR. Clarify comments.
3770 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3773 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
3774 at compile-time using MPFR. Change parameter VALUE to FUNC,
3776 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
3777 for overflow and underflow at all times and avoid folding in
3780 2006-10-24 Ben Elliston <bje@au.ibm.com>
3782 * reload1.c: Formatting fixes.
3784 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
3786 PR tree-optimization/14784
3787 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
3788 * tree-ssa-structalias.c (get_constraint_for,
3789 intra_create_variable_infos): Set is_heapvar.
3790 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
3791 non-heapvar pointer variables specially.
3793 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3796 * builtins.c (fold_builtin_sin, fold_builtin_cos,
3797 fold_builtin_tan): Fold all constant arguments. Take a "type"
3798 argument as necessary.
3799 (do_mpfr_arg1): New.
3800 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
3802 2006-10-23 Bob Wilson <bob.wilson@acm.org>
3804 * config/xtensa/lib1funcs.asm: Use C-style comments.
3806 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
3808 * tree.c (local_define_builtin): Replace calls to
3809 lang_hooks.builtin_function with add_builtin_function.
3810 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
3812 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
3814 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
3815 common code to add_builtin_function.
3816 * langhooks.c (add_builtin_function): New function.
3817 (lhd_builtin_function): New function.
3818 * langhooks.h (struct lang_hooks): Change the signature of
3820 (add_builtin_function): New function.
3821 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
3822 calls to lang_hooks.builtin_function with add_builtin_function.
3823 * c-common.c (decl_builtin_1): Replace calls to
3824 lang_hooks.builtin_function with add_builtin_function.
3825 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
3826 lang_hooks.builtin_function with add_builtin_function.
3827 * config/frv/frv.c (def_builtin): Replace calls to
3828 lang_hooks.builtin_function with add_builtin_function.
3829 * config/s390/s390.c (s390_init_builtins): Replace calls to
3830 lang_hooks.builtin_function with add_builtin_function.
3831 * config/sparc/sparc.c (def_builtin): Replace calls to
3832 lang_hooks.builtin_function with add_builtin_function.
3833 * config/i386/i386.c (def_builtin): Replace calls to
3834 lang_hooks.builtin_function with add_builtin_function.
3835 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
3836 lang_hooks.builtin_function with add_builtin_function.
3837 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
3838 lang_hooks.builtin_function with add_builtin_function.
3839 * config/stormy16/stormy16.c (xstormy16_init_builtins):
3840 Replace calls to lang_hooks.builtin_function with
3841 add_builtin_function.
3842 * config/iq2000/iq2000.c (def_builtin):
3843 Replace calls to lang_hooks.builtin_function with
3844 add_builtin_function.
3845 * config/ia64/ia64.c (def_builtin): Replace calls to
3846 lang_hooks.builtin_function with add_builtin_function.
3847 * config/rs6000/rs6000.c (def_builtin): Replace calls to
3848 lang_hooks.builtin_function with add_builtin_function.
3849 (altivec_init_builtins): Replace calls to
3850 lang_hooks.builtin_function with add_builtin_function.
3851 * config/arm/arm.c (def_mbuiltin): Replace calls to
3852 lang_hooks.builtin_function with add_builtin_function.
3853 (arm_init_tls_builtins): Replace calls to
3854 lang_hooks.builtin_function with add_builtin_function.
3855 * config/mips/mips.c (mips_init_builtins): Replace calls to
3856 lang_hooks.builtin_function with add_builtin_function.
3857 * config/bfin/bfin.c (def_builtin): Replace calls to
3858 lang_hooks.builtin_function with add_builtin_function.
3859 * langhooks-def.h (lhd_builtin_function): New function.
3860 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
3862 2006-10-23 Jakub Jelinek <jakub@redhat.com>
3864 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
3865 BUILT_IN_STRNCAT_CHK.
3867 2006-10-23 Jan Hubicka <jh@suse.cz>
3869 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
3870 don't do conversion from memmove to memcpy here.
3871 (expand_builtin_bcopy, expand_builtin): Update call of
3872 expand_builtin_memmove.
3873 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
3875 2006-10-23 Paul Brook <paul@codesourcery.com>
3877 * stor-layout.c (start_record_layout): maximum_field_alignment
3878 overrides STRUCTURE_SIZE_BOUNDARY.
3880 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
3882 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
3883 nonlocal function symbols if flag_pic.
3885 2006-10-23 Richard Guenther <rguenther@suse.de>
3889 * builtins.c (fold_binary): Remove checks for flag_wrapv
3890 and flag_trapv where negate_expr_p covers these cases.
3892 2006-10-23 Richard Guenther <rguenther@suse.de>
3895 * fold-const.c (fold_plusminus_mult_expr): Check exact power
3896 of two on the absolute value.
3897 (fold_binary): Fold x * -C to -x * C if x is easily negatable
3898 and negating -C does not overflow.
3900 2006-10-23 Richard Guenther <rguenther@suse.de>
3903 * convert.c (convert_to_real): Fold (float)-x to -(float)x
3904 only if not flag_rounding_math.
3906 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3907 Kaz Kojima <kkojima@gcc.gnu.org>
3910 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
3911 SImode memory reference for the source of a movua.
3912 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
3913 (movua): Use an unspec instead of sign_extract. Expect the source
3914 to have mode BLKmode.
3915 (extv, insv): Use a BLKmode rather than SImode memory reference
3916 for the source of a movua.
3918 2006-10-22 Jeff Law <law@redhat.com>
3919 Richard Guenther <rguenther@suse.de>
3921 PR tree-optimization/15911
3922 * tree-vrp.c (extract_code_and_val_from_cond): New function.
3923 (register_edge_assert_for_1): Likewise.
3924 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
3925 (find_conditional_asserts): Adjust for new function signature.
3926 (find_assert_locations): Likewise.
3928 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3930 * config/i386/tmmintrin.h: Remove the duplicated content.
3932 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3934 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
3935 (x86_64-*-*): Likewise.
3937 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
3938 (override_options): Check SSSE3.
3939 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
3940 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
3941 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
3942 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
3943 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
3944 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
3945 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
3946 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
3947 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
3948 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
3949 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
3950 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
3951 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
3952 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
3953 IX86_BUILTIN_PABSD128.
3954 (bdesc_2arg): Add SSSE3.
3955 (bdesc_1arg): Likewise.
3956 (ix86_init_mmx_sse_builtins): Support SSSE3.
3957 (ix86_expand_builtin): Likewise.
3958 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
3960 * config/i386/i386.md (UNSPEC_PSHUFB): New.
3961 (UNSPEC_PSIGN): Likewise.
3962 (UNSPEC_PALIGNR): Likewise.
3963 Include mmx.md before sse.md.
3965 * config/i386/i386.opt: Add -mssse3.
3967 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
3968 (ssse3_phaddwv4hi3): Likewise.
3969 (ssse3_phadddv4si3): Likewise.
3970 (ssse3_phadddv2si3): Likewise.
3971 (ssse3_phaddswv8hi3): Likewise.
3972 (ssse3_phaddswv4hi3): Likewise.
3973 (ssse3_phsubwv8hi3): Likewise.
3974 (ssse3_phsubwv4hi3): Likewise.
3975 (ssse3_phsubdv4si3): Likewise.
3976 (ssse3_phsubdv2si3): Likewise.
3977 (ssse3_phsubswv8hi3): Likewise.
3978 (ssse3_phsubswv4hi3): Likewise.
3979 (ssse3_pmaddubswv8hi3): Likewise.
3980 (ssse3_pmaddubswv4hi3): Likewise.
3981 (ssse3_pmulhrswv8hi3): Likewise.
3982 (ssse3_pmulhrswv4hi3): Likewise.
3983 (ssse3_pshufbv16qi3): Likewise.
3984 (ssse3_pshufbv8qi3): Likewise.
3985 (ssse3_psign<mode>3): Likewise.
3986 (ssse3_psign<mode>3): Likewise.
3987 (ssse3_palignrti): Likewise.
3988 (ssse3_palignrdi): Likewise.
3989 (abs<mode>2): Likewise.
3990 (abs<mode>2): Likewise.
3992 * config/i386/tmmintrin.h: New file.
3994 * doc/extend.texi: Document SSSE3 built-in functions.
3996 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
3998 2006-10-22 Ira Rosen <irar@il.ibm.com>
4000 * tree-vect-transform.c (vectorizable_load): Use the type of the
4001 return value of the mask_for_load builtin to create realign_load
4004 2006-10-22 Richard Sandiford <richard@codesourcery.com>
4006 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
4009 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
4011 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
4012 (UNSPEC_LDDQU): This.
4013 * config/i386/sse.md (sse3_lddqu): Updated.
4015 2006-10-21 Richard Guenther <rguenther@suse.de>
4017 * builtins.c (expand_builtin_int_roundingfn_2): New function.
4018 (expand_builtin): Use it to expand lrint instead of
4019 expand_builtin_mathfn.
4021 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4024 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
4025 flag_unsafe_math_optimizations is set.
4027 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4030 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
4031 patterns to use memory input operand in x87->mem->XMM
4032 reload sequences. Skip transformation for TARGET_K8.
4034 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4036 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
4037 force operand1 to register if both operands are memory operands.
4038 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
4039 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
4040 if both operands are memory operands.
4041 (truncdfsf2): Do not force operand1 to register if both operands
4042 are memory operands.
4044 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4046 * Makefile.in (LIBS): Add $(GMPLIBS).
4047 * doc/install.texi: Update GMP and MPFR requirements.
4048 * doc/sourcebuild.texi (need_gmp): Delete.
4050 2006-10-21 Richard Guenther <rguenther@suse.de>
4052 PR tree-optimization/3511
4053 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
4054 got new invariant arguments during PHI translation.
4056 2006-10-21 Richard Guenther <rguenther@suse.de>
4059 * fold-const.c (fold_comparison): Fold signed comparisons
4060 of the form X +- C1 CMP Y +- C2.
4062 2006-10-21 Richard Guenther <rguenther@suse.de>
4065 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
4066 if flag_unsafe_math_optimizations is specified. We have
4067 flag_finite_math_only for that.
4068 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
4069 or flag_unsafe_math_optimizations.
4071 2006-10-21 Richard Guenther <rguenther@suse.de>
4073 * builtins.c (fold_builtin_classify): Fix typo.
4075 2006-10-21 Richard Guenther <rguenther@suse.de>
4078 * simplify-rtx.c (simplify_const_relational_operation):
4079 Do not constant-fold ORDERED and UNORDERED for
4080 flag_unsafe_math_optimizations but only we do not need to
4081 honor NaNs for the given mode.
4083 2006-10-21 Richard Guenther <rguenther@suse.de>
4086 * config/i386/i386.c (classify_argument): Remove redundant
4087 walking of the BINFOs.
4088 (contains_128bit_aligned_vector_p): Likewise.
4090 2006-10-20 Mark Mitchell <mark@codesourcery.com>
4092 * BASE-VER: Set to 4.3.0.
4094 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
4096 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
4097 (tree_decl_with_vis): Remove artificial_pta_var flag.
4098 * tree-flow.h (referenced_var_check_and_insert): Expose.
4099 (nonlocal_all): New prototype.
4100 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
4101 (nonlocal_all): Make global.
4102 (nonlocal_lookup): Remove.
4103 (nonlocal_insert): Ditto.
4104 (create_nonlocal_var): Do not call nonlocal_insert.
4105 (get_nonlocal_id_for_type): Remove.
4106 (find_global_initializers): Mark new vars we find for renaming.
4107 (intra_create_variable_infos): Only create one nonlocal.
4108 (expand_nonlocal_solutions): Remove.
4109 (compute_points_to_sets): Don't call it.
4110 (ipa_pta_execute): Ditto.
4111 (init_alias_heapvars): Don't create nonlocal_for_type.
4112 (delete_alias_heapvars): Don't remove it.
4113 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
4116 2006-10-19 Brooks Moses <bmoses@stanford.edu>
4118 * doc/install.texi (Downloading GCC): Clarify mention of
4119 Fortran in the "full distribution" description.
4121 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
4123 Fix PR tree-optimization/28778
4124 Fix PR tree-optimization/29156
4125 Fix PR tree-optimization/29415
4126 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
4127 (tree_decl_with_vis): Add artificial_pta_var flag.
4128 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
4129 pushed into callers.
4130 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
4131 (nonlocal_all): Ditto.
4132 (struct variable_info): Add directly_dereferenced member.
4133 (var_escaped_vars): New variable.
4134 (escaped_vars_tree): Ditto.
4135 (escaped_vars_id): Ditto.
4136 (nonlocal_vars_id): Ditto.
4137 (new_var_info): Set directly_dereferenced.
4138 (graph_size): New variable
4139 (build_constraint_graph): Use graph_size.
4140 (solve_graph): Don't process constraints that cannot change the
4141 solution, don't try to propagate an empty solution to our
4143 (process_constraint): Set directly_dereferenced.
4144 (could_have_pointers): New function.
4145 (get_constraint_for_component_ref): Don't process STRING_CST.
4146 (nonlocal_lookup): New function.
4147 (nonlocal_insert): Ditto.
4148 (create_nonlocal_var): Ditto.
4149 (get_nonlocal_id_for_type): Ditto.
4150 (get_constraint_for): Allow results vector to be empty in the case
4151 of string constants.
4152 Handle results of calls properly.
4153 (update_alias_info): Update alias info stats on number and type of
4155 (find_func_aliases): Use could_have_pointers.
4156 (make_constraint_from_escaped): Renamed from
4157 make_constraint_to_anything, and changed to make constraints from
4159 (make_constraint_to_escaped): New function.
4160 (find_global_initializers): Ditto.
4161 (create_variable_info_for): Make constraint from escaped to any
4162 global variable, and from any global variable to the set of
4164 (intra_create_variable_infos): Deal with escaped instead of
4165 pointing to anything.
4166 (set_uids_in_ptset): Do type pruning on directly dereferenced
4168 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
4169 (init_base_vars): Fix comment, and initialize escaped_vars.
4170 (need_to_solve): Removed.
4171 (find_escape_constraints): New function.
4172 (expand_nonlocal_solutions): Ditto.
4173 (compute_points_to_sets): Call find_escape_constraints and
4174 expand_nonlocal_solutions.
4175 (delete_points_to_sets): Don't fall off the end of the graph.
4176 (init_alias_heapvars): Initialize nonlocal_for_type and
4178 (delete_alias_heapvars): Free nonlocal_for_type and null out
4181 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
4183 * fold-const.c (add_double): Rename to add_double_with_sign.
4184 Add 'unsigned_p' parameter and take it into account for the overflow.
4185 (mul_double): Rename to mul_double_with_sign.
4186 Add 'unsigned_p' parameter and take it into account for the overflow.
4187 (fold_div_compare): Call add_double_with_sign instead of add_double
4188 and mul_double_with_sign instead of mul_double, passing them the
4189 unsignedness of the type.
4190 * tree.h (add_double): Macroize.
4191 (add_double_with_sign): New prototype.
4192 (mul_double): Macroize.
4193 (mul_double_with_sign): New prototype.
4195 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
4197 * config/score/crti.asm: New file.
4198 * config/score/crtn.asm: New file.
4199 * config/score/elf.h: New file.
4200 * config/score/mac.md: New file.
4201 * config/score/misc.md: New file.
4202 * config/score/mul-div.S: New file.
4203 * config/score/predicates.md: New file.
4204 * config/score/score7.md: New file.
4205 * config/score/score.c: New file.
4206 * config/score/score-conv.h: New file.
4207 * config/score/score.h: New file.
4208 * config/score/score.md: New file.
4209 * config/score/score-mdaux.c: New file.
4210 * config/score/score-mdaux.h: New file.
4211 * config/score/score-modes.def: New file.
4212 * config/score/score.opt: New file.
4213 * config/score/score-protos.h: New file.
4214 * config/score/score-version.h: New file.
4215 * config/score/t-score-elf: New file.
4216 * config.gcc: Add score*-*-* configurations(Update before).
4217 * doc/invoke.texi (Score Options): New section.
4218 * doc/md.texi (Score family): New section to document constraints.
4220 2006-10-19 Nick Clifton <nickc@redhat.com>
4222 * config/arm/arm.c: Fix spelling typo.
4224 2006-10-18 Tom Tromey <tromey@redhat.com>
4226 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
4228 2006-10-18 Jan Hubicka <jh@suse.cz>
4231 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
4234 2006-10-18 Marcin Dalecki <martin@dalecki.de>
4236 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
4237 TSI_SAME_STMT, since that's the desired entity.
4239 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
4241 * config/s390/contraints.md: New file.
4242 * config/s390/s390-protos.h (s390_mem_constraint,
4243 s390_O_constraint_str, s390_N_constraint_str,
4244 s390_float_const_zero_p): Function prototypes added.
4245 * config/s390/s390.c (s390_extra_constraint_str,
4246 s390_const_double_ok_for_constraint_p,
4247 s390_const_ok_for_constraint_p): Functions removed.
4248 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
4249 s390_float_const_zero_p): New functions.
4250 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
4251 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
4252 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
4253 Macro definitions removed.
4254 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
4255 s390_extra_constraint_str): Functions removed.
4257 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
4258 Richard Sandiford <richard@codesourcery.com>
4261 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
4262 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
4264 2006-10-16 Geoffrey Keating <geoffk@apple.com>
4266 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
4267 (DWARF2_FRAME_REG_OUT): Likewise.
4268 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
4269 (DWARF2_FRAME_REG_OUT): Likewise.
4271 2006-10-17 Paul Brook <paul@codesourcery.com>
4273 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
4275 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4277 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
4278 Standardize on "GNU Fortran" as the official name of the Fortran
4281 2006-10-16 Mike Stump <mrs@apple.com>
4283 * doc/invoke.texi (Darwin Options): Document -mkernel.
4284 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
4286 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
4287 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
4288 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
4289 (OS_MISSING_ALTIVEC): Add.
4290 * config/i386/i386.c (override_options): Add
4291 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
4292 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
4293 -mkernel, -static or -mdynamic-no-pic is given.
4294 (C_COMMON_OVERRIDE_OPTIONS): Add.
4295 * config/darwin.opt (fapple-kext): Add.
4297 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
4298 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
4300 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
4301 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
4302 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
4303 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
4304 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
4305 (flag_mkernel): Add.
4306 (flag_apple_kext): Add.
4307 (TARGET_KEXTABI): Add.
4308 * config/darwin.c (darwin_handle_kext_attribute): Add.
4309 (DARWIN_VTABLE_P): Add.
4310 (darwin_binds_local_p): Add partial support for rebinding vtables
4312 (darwin_kextabi_p): Add.
4313 (darwin_override_options): Add.
4314 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
4315 (darwin_kextabi_p): Add.
4316 (darwin_override_options): Add.
4317 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
4318 __DYNAMIC__ and __STATIC__ here.
4320 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4322 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
4323 Added mention of "make pdf" target, and Texinfo requirements for
4326 2006-10-16 DJ Delorie <dj@redhat.com>
4328 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
4329 into the GOT in case we need a subreg of the address.
4331 2006-10-16 Richard Guenther <rguenther@suse.de>
4334 * doc/extend.texi (X86 Built-in Functions): Fix typos in
4335 SSE builtin documentation. Document SSE2 builtins.
4337 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4339 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
4340 symbol in the output file for non-shared links when -nostdlib or
4341 -nodefaultlibs isn't specified.
4343 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
4344 posix thread support.
4346 2006-10-15 Jan Hubicka <jh@suse.cz>
4349 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
4350 declared always_inline even when not inlining.
4352 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4353 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4354 Andrew Pinski <pinskia@gmail.com>
4357 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
4359 2006-10-15 Jan Hubicka <jh@suse.cz>
4360 Richard Guenther <rguenther@suse.de>
4363 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
4364 process_function_and_variable_attributes on all variables, including
4365 those discovered during cgraph construction phase.
4367 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
4369 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
4371 2006-10-14 Uros Bizjak <uros@kss-loka.si>
4373 * config/i386/athlon.md (athlon_fist): Add fisttp.
4375 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4376 Ian Lance Taylor <ian@airs.com>
4379 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
4380 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
4383 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
4385 * config/score/score.c, config/score/score.h: Fix comment
4388 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4391 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
4394 2006-10-13 Eric Christopher <echristo@apple.com>
4396 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4398 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4401 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4402 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4403 alignment supported by 32-bit ELF.
4405 2006-10-13 Eric Christopher <echristo@apple.com>
4407 * config/darwin.c (darwin_emit_unwind_label): Strip
4408 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
4410 2006-10-13 Richard Guenther <rguenther@suse.de>
4412 PR tree-optimization/29446
4413 * tree-vrp.c (fix_equivalence_set): Remove.
4414 (extract_range_from_assert): Do not call fix_equivalence_set.
4415 (debug_value_range): Print a newline.
4416 (compare_name_with_value): For equivalence sets with
4417 inconsistent value ranges conservatively bail out.
4418 (compare_names): Likewise.
4420 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4422 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
4423 and MPFR for gfortran.
4425 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4427 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4428 alignment supported by 32-bit ELF.
4430 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
4434 * c-typeck.c (digest_init): Always allow initializing vectors
4435 that have static storage duration with compound literals.
4436 * tree.c (build_type_attribute_qual_variant): New, based on
4437 build_type_attribute_variant.
4438 (build_type_attribute_variant): Rewrite using the former.
4439 (make_vector_type): Use build_type_attribute_qual_variant to build
4440 type variants. Use type_hash_canon on the others.
4442 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
4443 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
4445 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
4447 2006-10-12 Jan Hubicka <jh@suse.cz>
4450 * c-decl.c (c_make_fname_decl): Do not segfault in case where
4451 current_function_decl is set but current_function_scope is not.
4453 2006-10-12 Jie Zhang <jie.zhang@analog.com>
4455 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
4456 emit_insn to emit eh_return_internal instruction.
4457 (eh_return_internal): Explicitly set pc.
4459 2006-10-11 Richard Guenther <rguenther@suse.de>
4461 PR tree-optimization/28230
4462 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
4463 to the correct place.
4465 2006-10-11 Richard Guenther <rguenther@suse.de>
4468 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
4471 2006-10-10 Brooks Moses <bmoses@stanford.edu>
4473 * configure.ac: Added pdf to "Make-hooks"
4474 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
4475 targets and *.pdf file patterns in cleanup targets.
4476 * configure: Regenerated.
4478 2006-10-10 Anatoly Sokolov <aesok@post.ru>
4480 * config/avr/predicates.md: New file.
4481 * config/avr/avr.md: Include it.
4482 (REG_SP): New constant.
4483 (peepholes): Use predicates.
4484 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
4485 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
4486 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
4488 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
4490 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
4493 2006-10-10 Jakub Jelinek <jakub@redhat.com>
4496 * builtins.c (var_decl_component_p): New function.
4497 (fold_builtin_memset, fold_builtin_memory_op): Restrict
4498 single entry optimization to variables and components thereof.
4500 2006-10-10 Richard Guenther <rguenther@suse.de>
4502 PR rtl-optimization/29323
4503 * except.c (set_nothrow_function_flags): For functions
4504 that do not bind local bail out early.
4506 2006-10-10 Ben Elliston <bje@au.ibm.com>
4508 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
4511 2006-10-09 Richard Henderson <rth@redhat.com>
4513 Revert emutls patch.
4515 2006-10-09 Richard Guenther <rguenther@suse.de>
4518 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
4521 2006-10-09 Steve Ellcey <sje@cup.hp.com>
4524 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
4525 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
4526 * configure: Regenerate.
4527 * config.in: Regenerate.
4529 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
4531 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
4533 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4535 * config/mips/mips.c (mips_legitimize_tls_address): Implement
4536 all TLS models in the same way as local exec if !TARGET_ABICALLS.
4537 Remove stray newline.
4539 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4541 * config/mips/mips.c (mips_classify_symbol): Do not return
4542 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
4543 (mips_in_small_data_p): Tweak comments.
4545 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4547 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
4549 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
4551 * gimplify.c, sched-int.h: Fix comment typos.
4553 * sched-int.h: Fix comment typos.
4555 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4557 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
4559 * sched-ebb.c (begin_schedule_ready): Use them.
4560 * haifa-sched.c (schedule_insn, move_insn, try_ready,
4561 add_to_speculative_block, create_check_block_twin, speculate_insn,
4562 fix_jump_move, move_block_after_check): Ditto.
4563 * sched-rgn.c (new_ready): Ditto.
4565 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4567 PR rtl-optimization/29128
4568 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
4569 * sched-ebb.c (advance_target_bb): Use it to fix condition to
4570 allow interblock movement of speculation checks.
4572 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
4575 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
4576 casted to integer type.
4577 (get_address_cost): Decrease cost of [symbol + index] addressing modes
4578 if they are significantly more expensive than [reg + index] ones.
4580 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4582 PR tree-optimization/29330
4583 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
4584 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
4585 on newly allocated ddrs.
4586 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
4587 to VEC (loop_p, heap) pointer.
4588 (compute_data_dependences_for_loop): Adjust caller.
4589 (free_dependence_relations): Free DDR_LOOP_NEST.
4591 * tree-loop-linear.c (linear_transform_loops): Don't forget to
4592 free DEPENDENCE_RELATIONS and DATAREFS.
4595 * builtins.c (expand_builtin_sync_operation,
4596 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
4597 Use convert_to_mode to handle promoted arguments.
4599 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4601 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
4603 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4605 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
4607 2006-10-05 Uros Bizjak <uros@kss-loka.si>
4609 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
4610 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
4611 Use <modeconstraint> instead of "r" as operand 1 constraint.
4613 2006-10-06 Olivier Hainque <hainque@adacore.com>
4615 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
4616 Don't recurse on the pointed-to type.
4617 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
4618 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
4619 types with components of variable size.
4621 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
4623 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
4625 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4627 PR tree-optimization/29290
4628 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
4632 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
4633 * config/i386/predicates.md (local_symbolic_operand): Likewise.
4636 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
4637 the number of vector elements fill the rest with zeros.
4639 2006-10-05 Richard Sandiford <richard@codesourcery.com>
4641 * config/mips/mips.c (mips_pass_by_reference): Do not return false
4642 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
4645 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
4647 * config/bfin/bfin.md (subsi3): Lose expander, change previously
4648 unnamed pattern into subsi3. Use correct constraints/predicates.
4649 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
4650 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
4652 2006-10-05 Ira Rosen <irar@il.ibm.com>
4654 * doc/loop.texi: Add data references analysis description.
4656 2006-10-04 Brooks Moses <bmoses@stanford.edu>
4658 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
4660 2006-10-04 Richard Henderson <rth@redhat.com>
4661 Jakub Jelinek <jakub@redhat.com>
4663 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
4664 * builtin-types.def (BT_WORD): Make unsigned.
4665 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4666 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4667 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4668 * c-decl.c (grokdeclarator): Don't error if !have_tls.
4669 * c-parser.c (c_parser_omp_threadprivate): Likewise.
4670 * cgraph.c (decide_is_variable_needed): Look at force_output.
4671 Recurse for emulated tls.
4672 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
4673 checks redundant with decide_is_variable_needed.
4674 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
4675 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4677 * expr.c (emutls_var_address): New.
4678 (expand_expr_real_1): Expand emulated tls.
4679 (expand_expr_addr_expr_1): Likewise.
4680 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4681 * output.h (emutls_finish): Declare.
4682 * toplev.c (compile_file): Call it.
4683 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4684 address before wrapping in CONST.
4685 * varasm.c (emutls_htab, emutls_object_type): New.
4686 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4687 (get_emutls_object_name, get_emutls_object_type): New.
4688 (get_emutls_init_templ_addr, emutls_decl): New.
4689 (emutls_common_1, emutls_finish): New.
4690 (assemble_variable): When emulating tls, swap decls; generate
4691 constructor for the emutls objects.
4692 (do_assemble_alias): When emulating tls, swap decl and target name.
4693 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4695 * emutls.c: New file.
4696 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
4697 tls_object for real tls.
4699 2006-10-04 Zack Weinberg <zackw@panix.com>
4701 Fix bug in constraint-check generator, reported by Rask Ingemann
4703 * genpreds.c (add_constraint): Don't remove anything from the
4705 (write_tm_constrs_h): Detect whether "op" argument is used, and
4706 mark it ARG_UNUSED if it isn't.
4707 (write_insn_const_int_ok_for_constraint): Skip the part of the
4708 expression that would test whether "op" (which is not available
4709 here) is a CONST_INT.
4711 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
4714 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
4716 2006-10-03 Geoffrey Keating <geoffk@apple.com>
4718 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
4719 current Leopard versions.
4720 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
4722 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
4724 * doc/install.texi: Fix typos.
4726 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4728 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
4729 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
4730 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
4732 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
4734 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
4735 arg to be struct mach_header_64* instead.
4737 2006-10-02 Jakub Jelinek <jakub@redhat.com>
4740 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
4741 side effects after the outer expression's post side effects.
4743 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
4745 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
4746 comments to reflect actual behavior and relationship between
4747 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
4749 * doc/c-tree.texi (Working with declarations): Fix documentation
4750 of FIELD_DECL likewise.
4752 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
4755 * doc/extend.texi: Add used variable attribute description.
4757 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
4760 * c.opt (Woverride-init): New.
4761 * c-opts.c (c_common_post_options): Default warn_override_init to
4763 * c-typeck.c (add_pending_init, output_init_element): Warn for
4764 overriding initializers without side effects.
4765 * doc/invoke.texi (-Woverride-init): Document.
4768 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
4770 PR rtl-optimization/28096
4771 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
4772 assignment has already been used as a destination earlier in the block.
4774 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
4776 * builtins.c (expand_builtin_setjmp): Delete.
4777 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
4778 <BUILT_IN_SETJMP_SETUP>: New case.
4779 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
4780 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
4781 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
4782 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
4783 (BUILT_IN_SETJMP_RECEIVER): Likewise.
4784 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
4785 (lower_function_body): Initialize it to false. If it is set to true
4786 at the end of the processing, emit the setjmp dispatcher.
4787 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
4788 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
4789 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
4790 on the rhs of the assignment.
4791 (lower_builtin_setjmp): New function.
4792 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
4793 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
4794 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
4795 to detect calls that can go to non-local labels. Use specific
4796 helper to create the abnormal edges associated with them.
4797 <MODIFY_EXPR>: Likewise.
4798 (make_abnormal_goto_edges): New function extracted from...
4799 (make_goto_expr_edges): ...here. Call it for computed gotos.
4800 (simple_goto_p): Minor tweak.
4801 (tree_can_make_abnormal_goto): New predicate.
4802 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
4803 (tree_purge_dead_abnormal_call_edges): New function.
4804 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
4805 (tree_purge_dead_abnormal_call_edges): Likewise.
4806 (make_abnormal_goto_edges): Likewise.
4807 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
4808 Purge all dead abnormal edges if the call was in the last statement.
4809 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
4810 (execute_fixup_cfg): If there are non-local labels in the function,
4811 scan the basic blocks and split them at calls that can go to non-local
4812 labels or add missing abnormal call edges. Write down the CFG in the
4814 (pass_fixup_cfg): Remove TODO_dump_func flag.
4815 * unwind-sjlj.c: Poison setjmp.
4816 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
4817 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
4818 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
4819 (DONT_USE_BUILTIN_SETJMP): Document it.
4821 2006-09-28 Geoffrey Keating <geoffk@apple.com>
4824 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
4825 to 1 when __ppc64__ is defined.
4826 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
4828 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
4830 2006-09-28 Steve Ellcey <sje@cup.hp.com>
4832 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
4833 * config/ia64/unwind-hpux.c: Delete.
4835 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
4837 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
4838 on the element before gimplifying it, instead of punting if it is of
4841 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
4843 * doc/loop.texi: New file.
4844 * doc/gccint.texi: Reference loop.texi.
4845 * Makefile.in (loop.texi): Add.
4847 2006-09-27 Geoffrey Keating <geoffk@apple.com>
4849 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
4851 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4852 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4854 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
4856 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
4858 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
4860 * doc/install.texi: Document required versions of GMP and MPFR.
4862 2006-09-27 Paul Brook <paul@codesourcery.com>
4865 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
4867 2006-09-27 Richard Sandiford <richard@codesourcery.com>
4869 * reload1.c (alter_reg): Require the alignment of the stack slot to
4870 be at least reg_max_ref_width bytes.
4871 (scan_paradoxical_subregs): Record the largest width in
4874 2006-09-26 Jakub Jelinek <jakub@redhat.com>
4878 * tree-nested.c (struct nesting_info): Added static_chain_added.
4879 (convert_call_expr): Set static_chain_added when adding static
4880 chain. Handle OMP_PARALLEL and OMP_SECTION.
4882 2006-09-25 Matthias Klose <doko@debian.org>
4884 * doc/invoke.texi: Add missing full stop.
4886 2006-09-25 Richard Henderson <rth@redhat.com>
4888 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
4889 before cgraph_function_flags_ready.
4891 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
4892 Adam Nemet <anemet@caviumnetworks.com>
4894 * tree-ssa-loop-ivopts.c (aff_combination_convert,
4895 determine_common_wider_type): New functions.
4896 (get_computation_aff): Use them to simplify arithmetic between
4897 UBASE and CBASE if they are shortened from the same type.
4899 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
4902 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
4903 -2147483647 - 1 instead of 0x80000000.
4905 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
4907 * flags.h (HONOR_NANS): Fix typo in comment.
4909 2006-09-23 Uros Bizjak <uros@kss-loka.si>
4911 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
4913 2006-09-23 Jakub Jelinek <jakub@redhat.com>
4917 * tree.c (merge_attributes, attribute_list_contained): If both
4918 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
4920 * c-typeck.c (comptypes_internal): Don't consider aggregates
4921 in different TUs as compatible if there one set of attributes is
4922 not a subset of the other type's attributes.
4923 (composite_type): Try harder not to create a new aggregate type.
4925 2006-09-22 Geoffrey Keating <geoffk@apple.com>
4927 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
4928 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
4929 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
4930 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
4931 than replicating condition above.
4932 * config.host (i[34567]86-*-*): Always use driver-i386.o.
4934 * config/darwin.h (LINK_SYSROOT_SPEC): New.
4935 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
4936 the linker by default.
4938 2006-09-22 Mike Stump <mrs@apple.com>
4940 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
4943 2006-09-22 Richard Guenther <rguenther@suse.de>
4946 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
4947 sort of stack variables stable.
4949 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
4952 * explow.c (force_reg): Set REG_POINTER flag according to
4955 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
4957 PR tree-optimization/28888
4958 * tree-if-conv.c (combine_blocks): Rewritten.
4959 * tree-cfg.c (tree_verify_flow_info): Check that edges with
4960 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
4962 2006-09-22 Jakub Jelinek <jakub@redhat.com>
4964 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
4967 2006-09-21 Richard Sandiford <richard@codesourcery.com>
4969 * varasm.c (copy_constant): Fix reversed gcc_assert check.
4971 2006-09-21 Janis Johnson <janis187@us.ibm.com>
4973 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
4975 2006-09-21 Roger Sayle <roger@eyesopen.com>
4978 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
4979 dw_fde_current_label, to be the start of the function, i.e. the same
4980 value as dw_fde_begin.
4982 2006-09-20 Richard Sandiford <richard@codesourcery.com>
4984 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
4985 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
4986 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
4987 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
4988 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
4989 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
4990 (abs<mode>2, neg<mode>2): Likewise.
4991 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
4992 (*mips_abs_ps): New define_insn.
4994 2006-09-20 Josh Conner <jconner@apple.com>
4997 * calls.c (expand_call): Allow reuse of structure return stack
5000 2006-09-20 Paul Brook <paul@codesourcery.com>
5002 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
5005 2006-09-20 Janis Johnson <janis187@us.ibm.com>
5007 * doc/extend.texi (Decimal Float): Update for latest draft TR,
5008 clean up terminology.
5010 2006-09-20 Steve Ellcey <sje@cup.hp.com>
5013 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
5014 with tablejumps in them.
5016 2006-09-20 Jakub Jelinek <jakub@redhat.com>
5019 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
5020 wrap it into TARGET_EXPR.
5022 2006-09-20 Eric Christopher <echristo@apple.com>
5024 * config/i386/i386.c (x86_fisttp): Remove.
5025 * config/i386/i386.h (x86_fisttp): Ditto.
5026 (TARGET_FISTTP): Ditto.
5028 2006-09-19 Eric Christopher <echristo@apple.com>
5030 * doc/tm.texi (OBJC_JBLEN): Describe.
5031 * config/i386/darwin.h (OBJC_JBLEN): Define.
5032 * config/rs6000/darwin.h: Ditto.
5034 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
5036 PR rtl-optimization/21299
5037 * reload1.c (reload): Purge invalid ASMs in the final pass.
5039 2006-09-19 Steve Ellcey <sje@cup.hp.com>
5042 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
5043 pointers as legitimate constants.
5045 2006-09-19 Paul Brook <paul@codesourcery.com>
5048 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
5050 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
5052 PR tree-optimization/28887
5053 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
5054 component parts from the reference.
5055 (gather_memory_references_ref): Record the reference without the
5056 nonaddressable component parts.
5058 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
5061 * c-opts.c (c_common_handle_option): Ignore the -std options
5062 if the input language is assembly.
5064 2006-09-17 Ira Rosen <irar@il.ibm.com>
5067 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
5069 (ptr_ptr_may_alias_p): Likewise.
5070 (record_record_differ_p): New function.
5071 (base_object_differ_p): Call record_record_differ_p.
5073 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
5076 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
5077 away for the expr argument.
5079 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5082 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
5083 before using it for dumping after vectorizing loops.
5085 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
5086 Jack Howarth <howarth@bromo.med.uc.edu>
5089 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
5090 skip on error_mark_node.
5091 (rs6000_darwin64_record_arg_recurse): Likewise.
5093 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5095 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
5096 * doc/rtl.texi: Remove related documentation.
5098 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
5100 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
5103 2006-09-15 Jim Wilson <wilson@specifix.com>
5105 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
5106 Handle symbol offsets same as they are handled in ia64_expand_move
5109 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
5111 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
5112 Add forgotten parameter to the fprintf call.
5114 2006-09-15 Steve Ellcey <sje@cup.hp.com>
5116 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
5118 2006-09-15 Uros Bizjak <uros@kss-loka.si>
5120 * doc/contrib.texi: Add my entry.
5122 2006-09-15 Nick Clifton <nickc@redhat.com>
5124 * doc/md.texi (Processor pipeline description): Fix typo in
5125 example of how to use the absence_set directive and reword the
5126 description to make it slightly easier to read.
5128 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
5130 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
5131 * loop-doloop.c (doloop_optimize): Use it to limit costs of
5132 expanding the number of iterations.
5133 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
5135 * cfgrtl.c (emit_insn_at_entry): New function.
5136 * rtl.h (emit_insn_at_entry): Declare it.
5137 * integrate.c (emit_initial_value_sets): Use it.
5139 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
5141 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
5143 (struct loop_work and related VEC declarations): Delete.
5144 (bfin_dump_loops): Print out new member bad.
5145 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
5146 (bfin_scan_loop): Don't recurse.
5147 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
5148 loops. No longer need to update outer loops if the current one is
5149 found bad. Move some validitiy checks to bfin_discover_loop.
5150 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
5151 but changed not to check for nesting. Also changed to use the new bad
5153 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
5154 time. Use bitmap based test to discover loop nesting.
5156 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
5158 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
5161 2006-09-14 Richard Guenther <rguenther@suse.de>
5162 Kazu Hirata <kazu@codesourcery.com>
5164 PR middle-end/28884.
5165 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
5166 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
5167 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
5168 with TARGET_FUNCTION_VALUE.
5170 2006-09-14 Anatoly Sokolov <aesok@post.ru>
5173 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
5175 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
5177 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
5180 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
5183 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
5186 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5188 * basic_block.h (bb_has_eh_pred): Fix comment.
5190 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5192 * flow.c (calculate_global_regs_live): Invalidate eh registers
5193 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
5194 (propagate_block): Handle eh registers as if they were set at basic
5196 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
5198 * global.c (global_conflicts): Make eh registers to conflict with
5199 pseudos live at basic block begin.
5200 * basic_block.h (bb_has_eh_pred): New function.
5202 2006-09-13 Richard Sandiford <richard@codesourcery.com>
5204 PR rtl-optimization/28982
5205 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
5206 index of a PRE_MODIFY or POST_MODIFY address.
5207 * reload1.c (inc_for_reload): Use find_replacement on the original
5208 base and index registers.
5210 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
5212 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
5213 for -Os. Update __m128 alignment requirement.
5215 2006-09-13 Jan Hubicka <jh@suse.cz>
5217 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
5219 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
5221 PR rtl-optimization/28243
5222 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
5223 the insn to which the note was originally attached.
5225 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
5226 Roger Sayle <roger@eyesopen.com>
5228 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
5229 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
5230 on platforms that don't use dwarf for debug info.
5232 2006-09-12 Jason Merrill <jason@redhat.com>
5235 * builtins.c (expand_builtin_setjmp_receiver): Clobber
5236 hard_frame_pointer_rtx after using it to update the frame pointer.
5238 2006-09-12 Roger Sayle <roger@eyesopen.com>
5240 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
5241 (TARGET_ASM_CLOSE_PAREN): Likewise.
5242 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
5243 (TARGET_ASM_CLOSE_PAREN): Likewise.
5245 2006-09-12 Roger Sayle <roger@eyesopen.com>
5248 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
5249 frame information for frames larger than 512 Kbytes on Tru64 when
5250 using the native assembler.
5252 2006-09-12 Roger Sayle <roger@eyesopen.com>
5256 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
5257 and symbols. Instead use the implementation from cse.c's hash_rtx.
5259 2006-09-12 Jan Hubicka <jh@suse.cz>
5261 PR rtl-optimization/28071
5262 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
5263 (vect_transform_loop): Likewise.
5264 * tree-vectorizer.c (new_loop_vec_info): Likewise.
5265 (new_loop_vec_info): Likewise.
5266 (destroy_loop_vec_info): Likewise.
5267 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
5268 (create_stmt_ann): Likewise.
5269 (create_tree_ann): Rename to ...
5270 (create_tree_common_ann): ... this one; allocate only the common part
5272 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
5273 (get_value_handle): Likewise.
5274 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
5275 get_tree_common_ann.
5276 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
5277 (vinfo_for_stmt): Use stmt annotations.
5278 * tree-flow.h (tree_ann_common_t): New type.
5279 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
5280 (tree_ann, get_tree_ann, create_tree_ann): New.
5281 * tree-flow-inline.h (get_function_ann): Do more type checking.
5282 (stmt_ann): Likewise.
5283 (tree_ann): Rename to ...
5284 (tree_common_ann): ... this one; return ony common_ann
5285 (get_tree_ann): Rename to ...
5286 (tree_common_ann): This one; return only common_ann.
5287 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
5290 2006-09-11 Geoffrey Keating <geoffk@apple.com>
5292 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
5293 with_cpu by default.
5295 * dwarf2out.c (dwarf_file_data): New.
5296 (enum dw_val_class): Add dw_val_class_file.
5297 (struct dw_val_struct): Add val_file.
5298 (file_table): Change to a hash table.
5299 (file_table_emitted): Delete.
5300 (file_table_last_lookup_index): Delete.
5301 (emitcount): Delete.
5302 (last_emitted_file): New.
5303 (lookup_filename): Change prototype to return a struct dwarf_file_data.
5304 (init_file_table): Delete.
5305 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
5306 (AT_addr): Add comment.
5310 (print_die): Handle dw_val_class_file.
5311 (print_dwarf_line_table): Update for new file table structure.
5312 (attr_checksum): Do checksum a filename.
5313 (same_dw_val_p, same_attr_p): Do compare a filename.
5314 (size_of_die): Handle dw_val_class_file.
5315 (value_format): Likewise.
5316 (output_die): Likewise. Also, call maybe_emit_file here.
5317 (struct file_info): Constify filenames. Make file_idx a pointer
5318 to a struct dwarf_file_data.
5319 (struct dir_info): Constify directory names. Remove 'used' field.
5320 (struct file_name_acquire_data): New.
5321 (file_name_acquire): New.
5322 (output_file_names): Modify to handle new file data structures.
5323 (add_src_coords_attributes): Use add_AT_file.
5324 (add_call_src_coords_attributes): Likewise.
5325 (dwarf2out_imported_module_or_decl): Likewise.
5326 (gen_subprogram_die): Modify for new file data structures.
5327 (gen_variable_die): Likewise.
5328 (file_table_eq): New.
5329 (file_table_hash): New.
5330 (file_table_last_lookup): New.
5331 (lookup_filename): Rewrite to handle new file data structures.
5332 (maybe_emit_file): Rewrite to handle new file data structures.
5333 (dwarf2out_source_line): Always call lookup_filename and
5335 (dwarf2out_init): Create file_table here.
5336 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
5337 (file_table_relative_p): New.
5338 (dwarf2out_finish): Change detection of relative filenames
5339 to work with new file data structures. Move output_line_info call
5340 after debug_info output.
5342 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
5347 * config/i386/i386.c (override_options): Always default to 16
5348 byte stack boundary.
5350 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
5353 * var-tracking.c (dump_dataflow_set): Start dumping at
5355 (clobber_variable_part): Kill only the variable part in
5356 registers holding it, leaving other variables alone.
5358 2006-09-11 Josh Triplett <josh@freedesktop.org>
5360 * doc/extend.texi (Other Builtins): Actually use the macro
5361 argument in the documentation example for
5362 __builtin_types_compatible_p.
5364 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5366 PR rtl-optimization/28726
5367 * sched-deps.c (sched_analyze_reg): New function extracted from...
5368 (sched_analyze_1): ...here. Call it to analyze references to
5369 registers. Treat again writes to a stack register as writing to the
5371 (sched_analyze_2): ...and here. Call it to analyze references to
5372 registers. Treat again reads of a stack register as reading the
5375 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
5376 David Edelsohn <edelsohn@gnu.org>
5379 * config/rs6000/spe.md (frob_df_di): Remove %H.
5380 (frob_di_df): Remove %H. Change evmergelo to mr.
5381 (frob_di_df_2): Remove %H. Change evldd to two loads.
5383 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
5385 * doc/cpp.texi: Fix names of charset options.
5387 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
5390 * config/i386/i386.c (override_options): Use 128-bit
5391 stack boundary always for 64bits.
5393 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5395 PR rtl-optimization/28636
5396 * combine.c (force_to_mode): Test for side-effects before
5397 substituting by zero.
5398 (simplify_shift_const): Likewise for zero or other constants.
5400 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
5403 * builtins.c (expand_builtin_setjmp): Force next_lab to be
5406 2006-09-10 Richard Sandiford <richard@codesourcery.com>
5409 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
5410 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
5411 returned by mode_for_size, rather than the mode of src itself,
5412 to choose between 32-bit and 64-bit patterns.
5413 (mips_mem_fits_mode_p): New function.
5414 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
5415 that the size of the source matches the size of the destination.
5416 (mov_<store>l, mov_<store>r): Likewise.
5418 2006-09-10 Eric Christopher <echristo@apple.com>
5420 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
5423 2006-09-09 Eric Christopher <echristo@apple.com>
5426 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
5429 2006-09-09 Roger Sayle <roger@eyesopen.com>
5430 Nicolas Setton <setton@adacore.com>
5432 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
5434 2006-09-10 Andreas Schwab <schwab@suse.de>
5436 * config/m68k/m68k.md (bungt_rev): New pattern.
5438 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
5439 Dale Johannesen <dalej@apple.com>
5442 * regclass.c (struct reg_pref): Update documentation.
5443 (regclass): Set prefclass to NO_REGS if memory is the best option.
5444 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5446 2006-09-08 Eric Christopher <echristo@apple.com>
5448 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
5449 * config/t-slibgcc-darwin: Support x86_64 multilib.
5450 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
5451 Return 1 for x86_64-darwin.
5452 * config/i386/t-darwin: Add m64 multilib.
5453 (LIB2_SIDITI_CONV_FUNCS): Use.
5454 (LIB2FUNCS_EXTRA): Ditto.
5455 * config/i386/darwin.h: Support x86_64.
5456 * config/i386/i386.c (override_options): Turn on flag_pic
5457 for x86_64-darwin. Disable flag_omit_pointer.
5458 (get_pc_thunk_name): Assert !TARGET_64BIT.
5459 (legitimate_address_p): Disable machopic addressing for
5461 (legitimize_pic_address): Ditto.
5462 (ix86_expand_move): Ditto.
5463 (ix86_expand_call): Ditto.
5464 (machopic_output_stub): Ditto.
5465 * config/darwin.c (machopic_select_section): Support literal16.
5466 (machopic_select_rtx_section): Ditto.
5467 * config/darwin-sections.def: Ditto.
5468 * config/darwin-64.c: New.
5470 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
5473 * c-tree.h (struct c_arg_info): Add pending_sizes.
5474 * c-parser.c (c_parser_parms_declarator,
5475 c_parser_parms_list_declarator): Initialize pending_sizes.
5476 * c-decl.c (get_parm_info): Initialize pending_sizes.
5477 (get_parm_info): Set pending_sizes.
5478 (grokdeclarator): Call put_pending_sizes for parameters for
5479 function definition only.
5481 2006-09-07 Jason Merrill <jason@redhat.com>
5484 * varasm.c (output_constant): Only strip actual no-op conversions.
5487 * config/i386/i386.c (override_options): Use 128-bit
5488 stack boundary if -msse.
5490 2006-09-07 Eric Christopher <echristo@apple.com>
5492 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
5494 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
5497 2006-09-07 Geoffrey Keating <geoffk@apple.com>
5499 * dwarf2out.c: Remove strange characters from comment above
5500 dwarf2out_frame_debug_expr.
5502 2006-09-07 Eric Christopher <echristo@apple.com>
5504 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
5505 * config/darwin.h: ... to here.
5507 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
5509 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
5511 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
5512 (TARGET_PARTIAL_FLAG_REG_STALL): New.
5514 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
5515 TARGET_PARTIAL_FLAG_REG_STALL.
5516 (*ashldi3_cconly_rex64): Likewise.
5517 (*ashlsi3_cmp): Likewise.
5518 (*ashlsi3_cconly): Likewise.
5519 (*ashlsi3_cmp_zext): Likewise.
5520 (*ashlhi3_cmp): Likewise.
5521 (*ashlhi3_cconly): Likewise.
5522 (*ashlqi3_cmp): Likewise.
5523 (*ashlqi3_cconly): Likewise.
5524 (*ashrdi3_cmp_rex64): Likewise.
5525 (*ashrdi3_cconly_rex64): Likewise.
5526 (*ashrsi3_cmp): Likewise.
5527 (*ashrsi3_cconly): Likewise.
5528 (*ashrsi3_cmp_zext): Likewise.
5529 (*ashrhi3_cmp): Likewise.
5530 (*ashrhi3_cconly): Likewise.
5531 (*ashrqi3_cmp): Likewise.
5532 (*ashrqi3_cconly): Likewise.
5533 (*lshrdi3_cmp_rex64): Likewise.
5534 (*lshrdi3_cconly_rex64): Likewise.
5535 (*lshrsi3_cmp): Likewise.
5536 (*lshrsi3_cconly): Likewise.
5537 (*lshrsi3_cmp_zext): Likewise.
5538 (*lshrhi3_cmp): Likewise.
5539 (*lshrhi3_cconly): Likewise.
5540 (*lshrqi2_cmp): Likewise.
5541 (*lshrqi2_cconly): Likewise.
5543 2006-09-07 Uros Bizjak <uros@kss-loka.si>
5546 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
5547 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
5548 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
5549 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
5550 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
5551 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
5552 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
5553 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
5554 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
5555 implement only CC setting effects of shift instructions.
5557 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
5559 * doc/contrib.texi: Add myself.
5561 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
5564 * stor-layout.c (relayout_decl): Don't zero the alignment if it
5565 was set by the user.
5567 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
5570 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
5571 (divsi_inv_m1): Use them.
5572 (UNSPEC_DIV_INV_TABLE): New constant.
5574 2006-09-06 James E Wilson <wilson@specifix.com>
5577 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
5578 then call count_or_remove_death_notes.
5580 2006-09-06 Jason Merrill <jason@redhat.com>
5583 * tree-inline.c (copy_result_decl_to_var): New fn.
5584 (declare_return_variable): Use it. Call declare_inline_vars here.
5585 (expand_call_inline): Not here.
5587 2006-09-06 Diego Novillo <dnovillo@redhat.com>
5589 * doc/contrib.texi: Update my entry.
5591 2006-09-06 Nick Clifton <nickc@redhat.com>
5593 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
5595 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5598 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
5599 (canonicalize_induction_variables): Likewise.
5600 (tree_unroll_loops_completely): Likewise.
5601 (tree_ssa_prefetch_arrays): Likewise.
5602 (remove_empty_loops): Likewise.
5603 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
5604 TODO_cleanup_cfg instead of directly calling
5605 cleanup_tree_cfg_loop.
5606 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
5608 (tree_unroll_loops_completely): Likewise.
5609 (remove_empty_loops): Likewise.
5610 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
5611 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
5612 of tree_ssa_unswitch_loops.
5613 (tree_ssa_loop_ivcanon): Use the return value of
5614 canonicalize_induction_variables.
5615 (tree_ssa_empty_loop): Use the return value of
5617 (tree_complete_unroll): Use the return value of
5618 tree_unroll_loops_completely.
5619 (tree_ssa_loop_prefetch): Use the return value of
5620 tree_ssa_prefetch_arrays.
5621 * passes.c (execute_todo): Before Cleanup CFG, set
5622 updating_used_alone and after cleanup CFG, call
5623 recalculate_used_alone.
5625 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5628 * tree-vect-transform.c (vectorizable_condition): Move the check
5629 for the type after the check for simple condition.
5631 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
5632 Kaz Kojima <kkojima@gcc.gnu.org>
5635 * mode-switching.c (optimize_mode_switching): Make the destination
5636 block of an abnormal edge have no anticipatable mode. Don't
5637 insert mode switching code at the end of the source block of
5640 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
5642 PR rtl-optimization/26847
5643 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
5644 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
5645 (simplify_plus_minus): Count n_constants while filling ops. Replace
5646 qsort with insertion sort. Before going through the array to simplify
5647 pairs, sort it. Delay early exit until after the first sort, exiting
5648 only if no swaps occurred. Simplify pairs in reversed order, without
5649 special-casing the first iteration. Pack ops after simplifying pairs.
5651 2006-09-05 Anatoly Sokolov <aesok@post.ru>
5653 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
5654 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5655 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5656 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
5658 2006-09-05 Richard Guenther <rguenther@suse.de>
5660 PR tree-optimization/28900
5661 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
5662 compound conditional before creating COND_EXPR condition.
5664 2006-09-05 Richard Guenther <rguenther@suse.de>
5666 PR tree-optimization/28905
5667 * tree-vrp.c (fix_equivalence_set): Manually implement
5668 !value_ranges_intersect_p to also handle symbolic ranges.
5670 2006-09-05 Richard Guenther <rguenther@suse.de>
5673 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
5676 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5678 PR rtl-optimization/27616
5679 * cse.c (table_size): New static variable.
5680 (new_basic_block): Initialize it to 0.
5681 (remove_from_table): Decrement it.
5682 (insert): Increment it.
5683 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
5684 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
5685 fold_rtx_mem_1 if under the cap.
5686 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
5687 the lookup of the equivalent expression and test for equality of the
5688 first operand of the equivalent expression before in turn looking up
5689 an equivalent constant for the second operand.
5691 2006-09-02 Geoffrey Keating <geoffk@apple.com>
5694 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5695 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5696 pointer, instead of assuming it is possible to derive the
5697 correct args size from a call insn.
5699 2006-09-02 Jakub Jelinek <jakub@redhat.com>
5702 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
5703 (fold_builtin_mempcpy): Rename to...
5704 (fold_builtin_memory_op): ... this. Optimize one element copy
5706 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
5708 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
5709 (expand_builtin_memcpy, expand_builtin_mempcpy,
5710 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
5711 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
5712 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
5713 BUILT_IN_MEM{CPY,PCPY,MOVE}.
5715 2006-09-01 DJ Delorie <dj@redhat.com>
5717 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
5718 (stzx_16): Likewise.
5719 ("stzx_24_<mode>"): Likewise.
5720 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
5721 ("cmp<mode>_op"): New.
5722 (cmp<mode>): Change to expander; just save operands.
5724 (b<code>): Change to expander, emit compare here.
5725 (s<code>_op): Change to use split and expander.
5726 (s<code>_24_op): Likewise.
5727 (s<code>_<mode>): New.
5728 (s<code>_<mode>_24): New.
5729 (movqicc_<code>_<mode): New.
5730 (movhicc_<code>_<mode>): New.
5733 * config/m32c/m32c.c (compare_op0, compare_op1): New.
5734 (m32c_pend_compare): New.
5735 (m32c_unpend_compare): New.
5736 (m32c_expand_scc): New.
5737 (m32c_expand_movcc): Emit the compare also.
5738 * config/m32c/predicates.md (mra_nopp_operand): New.
5740 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
5741 Richard Guenther <rguenther@suse.de>
5742 Adam Nemet <anemet@caviumnetworks.com>
5745 * builtins.c (get_pointer_alignment): Handle more forms
5746 of base addresses that can be used to derive more precise
5747 information about alignment.
5749 2006-09-01 Jason Merrill <jason@redhat.com>
5752 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
5755 * gimplify.c (voidify_wrapper_expr): Handle null type.
5757 2006-09-01 Josh Conner <jconner@apple.com>
5760 * tree-nrv.c (dest_safe_for_nrv_p): New function.
5761 (execute_return_slot_opt): Use it.
5763 2006-08-31 Josh Conner <jconner@apple.com>
5766 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
5767 returning aggregates.
5769 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
5771 PR tree-optimization/28839
5772 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
5773 blocks in that phi arguments appear.
5775 2006-08-31 Roger Sayle <roger@eyesopen.com>
5778 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
5779 NULL, otherwise use an advance_loc4 to adjust relative to the
5781 (output_cfi) <DW_CFA_set_loc>: Update the current label.
5782 (dwarf2out_switch_text_section): Reset the current label to avoid
5783 using advance_loc4 over section boundaries.
5785 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
5788 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
5789 r12 + SYMBOLIC_CONST.
5791 2006-08-30 Richard Guenther <rguenther@suse.de>
5793 * Makefile.in (see.o): Add $(EXPR_H) dependency.
5795 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
5797 PR rtl-optimization/27735
5798 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
5799 Add new argument to keep track of whether an irreducible region
5800 was affected. All callers changed.
5801 (fix_irreducible_loops): Removed.
5802 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
5803 flags were invalidated.
5805 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
5807 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
5808 instead of SF operands.
5809 (*fop_df_comm_sse): Likewise.
5810 (*fop_df_comm_i387): Likewise.
5811 (*fop_df_1_mixed): Likewise.
5812 (*fop_df_1_sse): Likewise.
5814 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
5815 J"orn Rennecke <joern.rennecke@st.com>
5817 PR tree-optimization/17506
5818 * tree-ssa.c (warn_uninit): If warning about a location outside of
5819 the current function, note where the variable was declared.
5821 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
5823 PR tree-optimization/28411
5824 * double-int.c (double_int_div): Use double_int_divmod.
5825 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
5826 double_int_mod, double_int_smod, double_int_umod): New functions.
5827 * double-int.h (double_int_divmod, double_int_sdivmod,
5828 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
5830 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
5832 (get_computation_aff, get_computation_cost_at): Handle double_int
5833 return type of constant_multiple_of.
5835 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
5838 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
5839 an implicit conversion.
5841 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
5843 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
5845 2006-08-27 Roger Sayle <roger@eyesopen.com>
5847 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
5850 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
5852 * config/i386/crtfastmath.c: Fix a comment typo.
5854 2006-08-26 Roger Sayle <roger@eyesopen.com>
5856 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
5857 temporary visit flags on CASE_LABEL_EXPRs.
5858 * c-common.c (match_case_to_enum): Add function comment. Avoid
5859 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
5860 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
5861 CASE_HIGH_SEEN for enumerated types. If the switch expression is
5862 a constant, only warn if that constant value isn't handled.
5864 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
5867 * input.h (restore_input_file_stack): Declare.
5868 (INPUT_FILE_STACK_BITS): Define.
5869 * toplev.c (fs_p, input_file_stack_history,
5870 input_file_stack_restored, restore_input_file_stack): New.
5871 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
5872 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
5873 (pop_srcloc): Don't free old state of stack.
5875 2006-08-26 David Edelsohn <edelsohn@gnu.org>
5878 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
5879 (PowerPC Type Attributes): New.
5881 2006-08-26 Bob Wilson <bob.wilson@acm.org>
5883 * config/xtensa/xtensa.c (function_arg_boundary): New.
5884 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
5886 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
5887 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
5889 2006-08-26 Jakub Jelinek <jakub@redhat.com>
5892 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
5895 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5897 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
5898 (verify_local_live_at_start): Likewise.
5900 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5903 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
5904 omp_add_variable): Treat sizes as variable whenever not
5907 2006-08-26 Richard Guenther <rguenther@suse.de>
5910 * fold-const.c (fold_binary): Fold temporary to correct
5911 type before constructing new comparison.
5913 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
5916 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
5917 variable again if DECL_SEEN_IN_BIND_EXPR_P.
5919 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5922 * c-decl.c (start_function): Don't try to process prototype
5923 information from old declaration that isn't a function.
5925 2006-08-25 Jan Hubicka <jh@suse.cz>
5928 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
5930 2006-08-25 Alan Modra <amodra@bigpond.net.au>
5933 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
5936 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
5938 PR tree-optimization/16876
5939 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
5940 exit if PARM doesn't match VALUE.
5942 2006-08-25 Bob Wilson <bob.wilson@acm.org>
5944 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
5945 literal_prefix directive.
5946 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
5947 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5948 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5950 2006-08-25 David Edelsohn <edelsohn@gnu.org>
5953 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
5954 predicate to general_operand. Add 0->y and I->r alternatives.
5956 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
5958 * doc/tm.texi: Fix a typo.
5959 * predict.c: Fix comment typos.
5961 2006-08-25 Nick Clifton <nickc@redhat.com>
5963 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
5964 assertions of "cpu" and "machine".
5966 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
5969 * tree-ssa-operands.c (access_can_touch_variable): Don't say
5970 the access through a base which has an alias set of 0 cannot
5973 2006-08-24 Bill Wendling <wendling@apple.com>
5975 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
5977 2006-08-24 Jan Hubicka <jh@suse.cz>
5979 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
5981 2006-08-24 Jan Hubicka <jh@suse.cz>
5984 * cgraph.c: Fix comments.
5985 (cgraph_varpool_mark_needed_node): Mark only variables not already
5987 * cgraphunit.c: Update comments; include gt-cgraphunit.h
5988 (cgraph_varpool_assembled_nodes_queue): New static variable.
5989 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
5990 (cgraph_varpool_output_debug_info): New function.
5991 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
5992 * Makefile.in: Add gt-cgraphunit.h
5994 2006-08-24 Jan Hubicka <jh@suse.cz>
5996 * predict.c (probability_reliable_p): New predicate.
5997 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
5998 (predict_loops): Do not predict loop exit with less than 2%
6000 * basic-block.h (edge_probability_reliable_p,
6001 br_prob_note_reliable_p): Declare.
6002 * ia64.h (ia64_print_operand): Do not disable on-chip branch
6003 prediction when static predictor is not reliable.
6004 * rs6000.c (output_cbranch): Likewise.
6006 2006-08-23 Stuart Hastings <stuart@apple.com>
6009 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
6010 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
6012 2006-08-21 Geoffrey Keating <geoffk@apple.com>
6015 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
6016 complex values, nor for generic vector values.
6018 2006-08-22 Richard Guenther <rguenther@suse.de>
6021 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
6022 parameter. Convert arguments to arithmetic expression to the
6024 (analyze_scalar_evolution_1): Adjust caller.
6026 2006-08-22 Jan Hubicka <jh@suse.cz>
6028 Patch by Paolo Bonzini
6029 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
6032 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
6034 PR tree-optimization/28003
6035 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
6036 before grouping aliases.
6038 2006-08-22 Roger Sayle <roger@eyesopen.com>
6040 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
6041 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
6043 2006-08-21 Jason Merrill <jason@redhat.com>
6046 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
6047 wrapper. Loop to handle nested wrappers.
6048 (gimplify_bind_expr): Remove temp parameter.
6049 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
6050 and STATEMENT_LIST on the rhs.
6051 (gimplify_statement_list): Voidify the STATEMENT_LIST.
6052 (gimplify_expr): Pass pre_p to gimplify_statement_list.
6053 (gimplify_target_expr): Remove special BIND_EXPR handling.
6055 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
6057 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
6060 2006-08-21 Olivier Hainque <hainque@adacore.com>
6062 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
6063 Arrange for the temporary captures of components overlapping the lhs
6064 to happen before the lhs is possibly cleared.
6066 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
6068 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
6069 necessary places to pass the correct "number of registers" values
6072 2006-08-20 Jan Hubicka <jh@suse.cz>
6074 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
6075 (create_name_tags): Instead of quadratic checking use hashtable.
6076 * bitmap.h: Include hashtab.h.
6077 (bitmap_hash): Declare.
6078 * bitmap.c (bitmap_hash): New function.
6080 2006-08-20 Jan Hubicka <jh@suse.cz>
6082 PR rtl-optimization/28071
6083 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
6085 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
6086 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
6087 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
6088 cgraph_decide_inlining_incrementally): Update use of
6089 cgraph_check_inline_limits.
6090 * cgraph.c (edge_hash, edge_eq): New function.
6091 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
6092 cgraph_edge_remove_caller, cgraph_node_remove_callees,
6093 cgraph_remove_node): Maintain call site hash.
6094 * cgraph.h (struct cgraph_node): Add call_site_hash.
6095 (cgraph_set_call_stmt): New function.
6097 2006-08-20 Jan Hubicka <jh@suse.cz>
6099 PR rtl-optimization/28071
6100 * reload1.c (reg_has_output_reload): Turn into regset.
6101 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
6102 choose_reload_regs, emit_reload_insns): Update to new
6103 reg_has_output_reload.
6105 2006-08-20 Jan Hubicka <jh@suse.cz>
6108 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
6109 function body sizes.
6110 * cgraphunit.c (cgraph_analyze_function): Don't do so.
6112 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
6115 * tree.c (handle_dll_attribute): Return early if not a
6116 var or function decl.
6118 2006-08-18 Joseph Myers <joseph@codesourcery.com>
6121 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
6122 alignment of SPE vector types.
6124 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
6126 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
6128 2006-08-17 Jakub Jelinek <jakub@redhat.com>
6131 * cgraph.h (struct cgraph_node): Remove externally_visible
6133 * cgraphunit.c (process_function_and_variable_attributes): Set
6134 local.externally_visible rather than externally_visible.
6137 * c-common.c (handle_externally_visible_attribute): First look
6138 at TREE_CODE and only if it is function or var decl, check for
6139 non-public objects. Don't warn for DECL_EXTERNAL.
6140 * cgraphunit.c (process_function_and_variable_attributes): Warn
6141 if externally_visible attribute is used on non-public object.
6143 2006-08-17 Jan Hubicka <jh@suse.cz>
6145 PR tree-optimization/27865
6146 * reload1.c (forget_marked_reloads): New function.
6147 (forget_old_reloads_1): When data are passed, just mark the registers
6149 (reload_as_needed): Use the new mechanizm.
6151 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
6154 * reload.h (reg_equiv_alt_mem_list): New declaration.
6155 * reload1.c (reg_equiv_alt_mem_list): New definition.
6156 (reload): Initialize it and release it.
6157 (delete_output_reload): Use it.
6158 * reload.c (push_reg_equiv_alt_mem): New function.
6159 (find_reloads_toplev): Call it.
6160 (find_reloads_address, find_reloads_address_1): Likewise.
6161 (find_reloads_subreg_address): Likewise.
6163 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6165 PR rtl-optimization/28489
6166 * sched-ebb.c (begin_schedule_ready): Create basic block
6168 (advance_target_bb): Skip empty blocks.
6169 * haifa-sched.c (bb_note): Make global.
6170 * sched-int.h (bb_note): Add prototype.
6172 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6174 PR tree-optimization/27865
6175 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
6177 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
6178 fold_used_pointer, pointer_used_p): New functions.
6179 (analyze_scalar_evolution_1): Use fold_used_pointer.
6180 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
6181 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
6184 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
6187 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
6188 or the INTEGER_CST. Fail on a CALL_EXPR.
6189 (fold_offsetof): Pass new argument to fold_offsetof_1.
6190 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
6191 operand into an INDIRECT_REF.
6192 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
6194 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6196 PR gcov/profile/26570
6197 * value-prof.c (static_values): Removed.
6198 (tree_find_values_to_profile): Do not set static_values.
6199 (find_values_to_profile): Do not free static_values.
6200 * profile.c (instrument_values): Do not free the values.
6201 (branch_prob): Free the values.
6203 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
6205 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
6207 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
6210 * c-typeck.c (build_component_ref): Combine qualifiers of
6211 structure or union and field.
6213 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6215 PR rtl-optimization/28071
6216 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
6217 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
6218 * tree-into-ssa.c (struct dom_dfsnum): New.
6219 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
6221 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
6222 compute_global_livein.
6223 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
6224 in phi nodes in the correct blocks.
6226 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6228 PR tree-optimization/28364
6229 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
6231 (fold_affine_expr): New function.
6232 (may_eliminate_iv): Use fold_affine_expr.
6234 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6237 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
6240 2006-08-16 Mike Stump <mrs@apple.com>
6242 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
6243 * doc/cppopts.texi (-MD): Likewise.
6245 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
6248 * c-common.c (handle_weak_attribute): Ignore and warn if
6249 not a FUNCTION_ or VAR_DECL.
6251 2006-07-15 Mike Stump <mrs@apple.com>
6254 * c-parser.c (c_parser_typeof_specifier): Don't use
6255 c_finish_expr_stmt, open code desired semantics instead.
6257 2006-08-15 Nick Clifton <nickc@redhat.com>
6259 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
6260 fragment to tmake_file only if threads are enabled.
6261 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
6262 * config/i386/t-gthr-win32: New file. ... here.
6264 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6267 * c-parser.c (c_parser_compound_statement_nostart): Reset
6268 parser->error after each statement.
6270 2006-08-15 Jakub Jelinek <jakub@redhat.com>
6273 * omp-low.c (lower_omp_parallel): Convert t to
6274 receiver_decl's type.
6275 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
6276 source before comparison.
6279 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
6280 to itype in assignment to oldival2.
6282 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
6286 * c-typeck.c (build_compound_expr): If the second expression
6287 is an error mark, then just return an error mark instead of
6288 creating a COMPOUND_EXPR.
6290 2006-07-14 Mike Stump <mrs@apple.com>
6292 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
6294 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
6296 * c-decl.c, var-tracking.c: Fix comment typos.
6298 2006-08-14 Richard Sandiford <richard@codesourcery.com>
6300 PR rtl-optimization/28634
6301 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
6302 for floating-point modes unless flag_unsafe_math_optimizations.
6304 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
6305 Andrew Pinski <pinskia@physics.uc.edu>
6308 * tree.c (build_array_type): Unify array types with
6309 unspecified index_type.
6310 * c-decl.c (grokdeclarator): Make sure we do not modify a
6311 unified incomplete array type.
6312 * c-typeck.c (store_init_value): Create distinct type before
6313 filling in the index type in an initializer from a compound
6316 * c-decl.c (grokdeclarator): Remove code where we copy the
6319 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
6321 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
6322 into account for TODO_dump_cgraph.
6323 (TODO_update_ssa_no_phi): Likewise.
6324 (TODO_update_ssa_full_phi): Likewise.
6325 (TODO_update_ssa_only_virtuals): Likewise.
6326 (TODO_remove_unused_locals): Likewise.
6327 (TODO_set_props): Likewise.
6328 (TODO_update_stmt_usage): Likewise.
6330 2006-08-13 Dirk Mueller <dmueller@suse.de>
6332 * c-common.c (strict_aliasing_warning): Fix formatting.
6334 2006-08-13 Matthias Klose <doko@debian.org>
6336 * doc/invoke.texi: Fix spelling errors.
6338 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6340 PR rtl-optimization/23454
6341 * reorg.c (relax_delay_slots): Update comment.
6343 2006-08-11 Richard Guenther <rguenther@suse.de>
6346 * simplify-rtx.c (simplify_const_relational_operation):
6347 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
6350 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
6352 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
6353 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
6355 2006-08-10 Paul Brook <paul@codesourcery.com>
6357 * final.c (final_scan_insn): Clear current_insn_predicate before
6358 outputting inline asm.
6360 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
6362 PR tree-optimization/26197
6363 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
6364 get_ref_base_and_extent and overlap_subvar to add only relevant
6365 subvars as may-aliases.
6366 (add_may_alias_for_new_tag): New function, factored out of
6368 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
6369 with additional argument.
6370 * tree-flow.h (new_type_alias): Takes additional argument.
6372 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
6374 * gcov.c (no_data_file): New flag.
6375 (read_count_file): Set it if data file not present. Assume counts
6377 (output_lines): Don't name the data file, if there wasn't one.
6379 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
6381 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
6382 (rs6000_generate_compare): Tweak comments.
6383 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
6385 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
6387 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
6388 (var_debug_decl): New function.
6389 (var_reg_set): Follow debug decl link. Add location even if
6390 reg is already known to hold some other variable.
6391 (var_mem_set): Follow debug decl link.
6392 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
6393 decl link. Delete other known locations of the variable part
6395 (var_reg_delete, var_mem_delete): Delete other known locations
6396 of the variable part if requested.
6397 (same_variable_part_p): New function.
6398 (add_stores): Select MO_COPY when appropriate.
6399 (vt_initialize): Handle it.
6400 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
6401 known locations for MO_SET and MO_CLOBBER.
6402 (find_variable_location_part): New function.
6403 (set_variable_part, delete_variable_part): Use it.
6404 (clobber_variable_part): New function.
6405 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
6408 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
6410 PR tree-optimization/26969
6411 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
6412 with an empty list of PHIs.
6414 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
6418 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
6421 2006-08-06 Andreas Schwab <schwab@suse.de>
6423 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
6424 string. Whitespace and comment fixup.
6426 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6429 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
6433 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
6436 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
6438 2006-08-04 Jan Hubicka <jh@suse.cz>
6442 * reload.c (push_reload): Patch out the mismatching instruction;
6444 (find_reload): Bail out if the instruction was patched out.
6446 2006-08-04 Jan Hubicka <jh@suse.cz>
6448 PR tree-optimization/24888
6449 * tree-inline.c (expand_call_inline): Do not re-record variables.
6450 (declare_inline_vars): Add variable to unexpanded_var_list.
6452 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6453 Roger Sayle <roger@eyesopen.com>
6455 PR rtl-optimization/26244
6456 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
6457 inner_const are negative or greater than or equal to the bitsize of
6458 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
6459 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
6460 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
6461 CONST0_RTX (mode) when the new shift count is greater than or equal to
6462 to the bitsize of the object being shifted and XEXP (y, 0) has no side
6465 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
6467 * tree-cfg.c: Fix a comment typo.
6469 2006-08-03 Mark Mitchell <mark@codesourcery.com>
6472 * varasm.c (output_constant): Give the front end another chance to
6473 expand constants, after stripping NOPs.
6475 2006-08-03 Jan Hubicka <jh@suse.cz>
6477 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
6480 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
6482 PR tree-optimization/27770
6483 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
6484 declaration removed (moved to tree-flow.h).
6485 (vect_can_force_dr_alignment_p): Likewise.
6486 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
6487 (moved from tree-vectorizer.h).
6488 (vect_can_force_dr_alignment_p): Likewise.
6489 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
6490 from outside the vectorizer - in particular from cgraph stage.
6491 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
6492 the alignment of global arrays when -fsection-anchors is enabled.
6493 * cgraphunit.c (cgraph_increase_alignment): New function.
6494 (cgraph_optimize): Call cgraph_increase_alignment.
6496 2006-08-03 David Edelsohn <edelsohn@gnu.org>
6499 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
6500 not reload a SPE symbol_ref into a lo_sum address.
6502 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
6505 * dwarf2out.c (prune_unused_types_prune): Move call to
6506 prune_unused_types_update_strings to cover the parent DIE also.
6508 2006-08-02 Jan Hubicka <jh@suse.cz>
6510 PR gcov/profile/28480
6511 * tree-cfg.c (change_bb_for_stmt): New function.
6512 (tree_merge_blocks, tree_split_blocks): Use it.
6514 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6520 * toplev.c (compile_file): Return early on errorcount or sorrycount.
6521 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
6522 (cgraph_optimize): Likewise.
6524 2006-08-01 Stuart Hastings <stuart@apple.com>
6526 * rtl.h (UINTVAL) New.
6527 * config/rs6000/rs6000.c (SMALL_INT) Use it.
6528 * testsuite/gcc.dg/20060801-1.c: New.
6530 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
6533 * c-typeck.c (build_external_type): Mark used enum types.
6534 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
6536 (gen_subprogram_die): Whitespace fix.
6538 2006-08-01 Jan Hubicka <jh@suse.cz>
6540 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
6541 bitmap when not needed.
6542 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
6545 2006-08-01 Dirk Mueller <dmueller@suse.de>
6547 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
6549 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6551 * Makefile.in: Revert part of previous patch:
6552 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
6555 2006-07-30 Eric Christopher <echristo@apple.com>
6558 * doc/extend.texi (i386 Variable Attributes): Add anchor.
6559 (PowerPC Variable Attributes): New section.
6561 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
6563 PR target/28126 (partial fix)
6564 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
6566 2006-07-28 Jan Hubicka <jh@suse.cz>
6568 PR rtl-optimization/28071
6569 * cfgrtl.c (rtl_delete_block): Free regsets.
6570 * flow.c (allocate_bb_life_data): Re-use regsets if available.
6572 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6574 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
6575 and variables used in dependencies.
6577 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
6579 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
6580 %fs for -mcmodel=kernel.
6581 (stack_tls_protect_test_di): Likewise.
6583 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
6585 * Makefile.in: Use mkinstalldirs.
6587 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
6590 * opts-common.c (prune_options): Skip joined switches.
6592 2006-07-27 Jan Hubicka <jh@suse.cz>
6594 PR rtl-optimization/28071
6595 * cselib.c (cselib_process_insn): Don't remove useless values too
6596 often for very large hashtables.
6598 2006-07-27 Jan Hubicka <jh@suse.cz>
6600 PR rtl-optimization/28071
6601 * global.c (greg_obstack): New obstack.
6602 (allocate_bb_info): Use it.
6603 (free_bb_info): Likewise.
6604 (modify_reg_pav): Likewise.
6606 2006-07-27 Roger Sayle <roger@eyesopen.com>
6608 * builtins.c (fold_fixed_mathfn): When long and long long are the
6609 same size, canonicalize llceil*, llfloor*, llround* and llrint*
6610 functions to their lceil*, lfloor*, lround* and lrint* forms.
6612 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6615 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
6617 (rev_branch_insn): Likewise.
6619 2006-07-27 Jan Hubicka <jh@suse.cz>
6621 PR rtl-optimization/28071
6622 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
6623 (reg_set_in_bb, max_reg_computed): New static variables.
6624 (regmove_optimize): Free the new array.
6625 (fixup_match_1): Update call of reg_is_remote_constant_p.
6627 2006-07-26 Jan Hubicka <jh@suse.cz>
6629 PR tree-optimization/27882
6630 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
6632 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
6634 (cgraph_analyze_compilation_unit): Likewise.
6635 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
6636 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
6637 (cgraph_early_inlinine): Make order garbage collected.
6638 * Makefile.in (gt-ipa-inline): New garbagecollected file.
6640 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6642 * dbxout.c (output_types_sort): Add a comment.
6643 (output_used_types): Free the VEC.
6645 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6647 * function.c (reorder_fix_fragments): Delete.
6648 (reorder_blocks): Don't call it.
6649 (reorder_blocks_1): Put all subblocks under the origin block.
6651 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
6653 PR rtl-optimization/27907
6654 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
6657 2006-07-25 Roger Sayle <roger@eyesopen.com>
6660 * convert.c (convert_to_integer): When transforming (T)foo(x) into
6661 bar(x) check that bar's result type can represent all the values of T.
6663 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
6665 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
6667 2006-07-25 Nick Clifton <nickc@redhat.com>
6669 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
6670 size_lookup[] array.
6671 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
6672 (ggc_pch_count_object): Likewise.
6673 (ggc_pch_alloc_object): Likewise.
6674 (ggc_pch_write_object): Likewise.
6675 (init_ggc): Do not attempt to initialize entries in the
6676 size_lookup[] array for objects whose size is greater than than
6677 the length of the array.
6679 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
6681 * dbxout.c (output_used_types_helper): Push queued types
6683 (output_types_sort): New.
6684 (output_used_types): Collect used types on a VEC and sort them
6687 2006-07-24 Richard Guenther <rguenther@suse.de>
6690 * cgraph.c (cgraph_remove_node): Do not check if dumps
6692 * cgraphunit.c (cgraph_optimize): Likewise.
6694 2006-07-24 Jan Hubicka <jh@suse.cz>
6696 PR rtl-optimization/28071
6697 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
6698 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
6699 splitting before first stmt.
6701 2006-07-24 Jan Hubicka <jh@suse.cz>
6703 PR rtl-optimization/28071
6704 * ipa-inline.c (update_caller_keys): Remove edges that
6705 are no longer inline candidates.
6707 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
6710 * dbxout.c (output_used_types_helper, output_used_types): New.
6711 (dbxout_symbol): Call output_used_types.
6713 2006-07-23 Jan Hubicka <jh@suse.cz>
6717 * cgraph.c (cgraph_varpool_nodes): Export.
6718 (decide_is_variable_needed): Ignored "used" attribute in
6719 unit-at-a-time mode.
6720 * cgraph.h (cgraph_varpool_nodes): Declare.
6721 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
6722 unit-at-a-time mode.
6724 2006-07-23 Roger Sayle <roger@eyesopen.com>
6727 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
6728 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
6729 the __gthrw form of thr_keycreate.
6730 (__gthread_key_delete): Silence the unused argument warning.
6732 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
6735 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
6736 Cache the last found '\0' marker to avoid quadratic behavior.
6738 2006-07-23 Jan Hubicka <jh@suse.cz>
6740 * i386.md (subsi_3_zext): Fix output template.
6742 2006-07-21 Mike Stump <mrs@apple.com>
6744 * doc/invoke.texi (C++ Dialect Options): Note that
6745 -fvisibility-inlines-hidden doesn't affect explicitly
6746 instantiationed inline methods.
6748 2006-07-20 Roger Sayle <roger@eyesopen.com>
6750 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
6751 if the target assembler is GNU binutils' gas.
6752 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
6753 whether to pass GNU gas or native as command line options.
6755 2006-07-20 Jason Merrill <jason@redhat.com>
6757 * tree.c (remove_attribute): New fn.
6758 * tree.h: Declare it.
6760 2006-07-20 Paul Brook <paul@codesourcery.com>
6763 * cse.c (cse_insn): Add destination addresses to hash table. Check if
6764 they are invalidated by this instruction.
6766 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
6769 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
6771 2006-07-20 Eric Christopher <echristo@apple.com>
6774 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
6776 2006-07-19 Eric Christopher <echristo@apple.com>
6778 * config/t-slibgcc-darwin (stmp-lipo): Remove.
6779 Rewrite dependencies for libgcc_s.1.dylib.
6781 2006-07-19 Jakub Jelinek <jakub@redhat.com>
6783 * except.c (duplicate_eh_regions_1): Clear next_peer.
6785 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
6787 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
6788 -mlongcall does not guarantee all calls will be long.
6789 * doc/extend.texi (long_call/short_call): Document that longcall
6790 does not guarantee a long call will be used.
6791 (longcall/shortcall): Likewise.
6793 2006-07-18 Roger Sayle <roger@eyesopen.com>
6796 * expmed.c (expand_shift): Additionally check that the shift_cost
6797 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
6798 before implementing a LSHIFT_EXPR as a sequence of additions.
6799 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
6800 middle-end that DImode shifts need to be synthesized by expand.
6802 2006-07-18 Diego Novillo <dnovillo@redhat.com>
6805 * tree-ssa-operands.c (access_can_touch_variable): Update
6807 Return true if ALIAS is .GLOBAL_VAR.
6809 2006-07-18 David Daney <ddaney@avtrex.com>
6811 * gcc.c (display_help): Fix typo in help text.
6813 2006-07-18 Olivier Hainque <hainque@adacore.com>
6815 * tree.h (categorize_ctor_elements): Adjust prototype and add
6816 descriptive comment, both in accordance with the interface change
6818 * varasm.c (constructor_static_from_elts_p): New function.
6819 Whether a constructor node is a valid static constant initializer
6820 if all its elements are.
6821 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
6822 * output.h: Declare it.
6823 * expr.c (categorize_ctor_elements_1): Return whether the constructor
6824 is a valid constant initializer instead of computing the number of
6825 non-constant elements. Use constructor_static_from_elts_p for this
6826 purpose. Replace the head comment with an indication that this is a
6827 helper for categorize_ctor_elements.
6828 (categorize_ctor_elements): Same interface change as for the _1
6829 helper. Former head comment from this helper moved here, adjusted to
6830 account for the interface changes.
6831 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
6832 (all_zeros_p): Likewise.
6833 * gimplify.c (gimplify_init_constructor): Decide whether we can make
6834 static versions of the constructor from the categorize_ctor_elements
6835 return value instead of the formerly computed number of non-constant
6838 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
6840 * configure: Regenerate.
6841 * Makefile.in (build_libsubdir): New configure substitution
6842 (build_libobjdir): New variable.
6843 (BUILD_LIBIBERTY): Use it.
6845 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6848 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
6850 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
6853 * c-common.c (handle_weakref_attribute): Ignore attribute in
6854 the same conditions the alias attribute is ignored.
6856 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
6858 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
6859 (dbxout_begin_prologue): Increment scope_labelno.
6861 2006-07-17 Richard Henderson <rth@redhat.com>
6864 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
6867 2006-07-17 Roger Sayle <roger@eyesopen.com>
6868 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6870 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
6871 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
6872 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
6873 functions such as sbrk, write, etc.. Add function prototypes.
6874 Convert function declarations from K&R to ISO C. Cast pointers
6875 to "long" and "unsigned long" instead of "int" and "unsigned int".
6876 Convert tokens following #endif into comments.
6878 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
6880 * invoke.texi: Remove mention of f77; Reformat table for
6881 inline parameter options correctly; mention that -malign-double
6882 is default on x86-64 targets.
6884 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
6886 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
6887 (convert_affine_scev, chrec_convert_aggressive): Use
6888 avoid_arithmetics_in_type_p. Do not check for the subtypes
6891 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6894 * optabs.c (expand_doubleword_shift): Wrap the call to
6895 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
6897 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6900 * optabs.c (expand_binop): Pass next_methods rather than methods
6901 to expand_doubleword_shift.
6903 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
6906 * tree.h (dump_addr): Declare.
6907 * print-tree.c (dump_addr): New function.
6908 (print_node_brief, print_node): Use it.
6909 * print-rtl.c (print_rtx): Likewise.
6910 * common.opt (-fdump-noaddr): New option.
6911 * doc/invoke.texi (-fdump-noaddr): Document.
6912 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
6913 (ve_info_hash): Likewise.
6915 2006-07-13 Andrew Haley <aph@redhat.com>
6917 PR tree-optimization/19505
6918 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
6919 edge leaving this block, make sure that the destination of this
6920 block has only one predecessor.
6922 2006-07-17 Richard Guenther <rguenther@suse.de>
6924 PR tree-optimization/28238
6925 * tree-inline.c (copy_bb): Check if we produced valid
6926 gimple copying and substituting a stmt. If not, gimplify
6929 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
6931 * optabs.c (maybe_encapsulate_block): New function extracted from...
6932 (emit_libcall_block): ...here. Invoke it on the block of insns to
6933 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
6934 (emit_no_conflict_block): Likewise.
6936 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6938 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
6940 2006-07-15 Roger Sayle <roger@eyesopen.com>
6942 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
6943 a new NOP_EXPR case of the switch statement.
6945 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
6948 * stor-layout.c (place_field): Take the bit field with
6949 an excessive size into account in the ms-bitfiled case.
6952 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
6953 the previous bit field.
6955 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
6958 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
6960 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
6962 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
6963 signal frames correctly even when the signal was installed with
6966 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
6968 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
6969 (dbxout_function_end): Use local label LFBB. Remove hook
6971 (dbxout_source_line): Use local label LFBB.
6972 (dbxout_block): Likewise.
6973 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
6974 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
6975 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
6976 and DBX_OUTPUT_NFUN.
6978 2006-07-13 Janis Johnson <janis187@us.ibm.com>
6980 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
6982 2006-07-13 Jan Hubicka <jh@suse.cz>
6984 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
6986 * output.h (align_variable): Declare.
6987 * varasm.c (align_variable): Export.
6988 * value-prof.c (tree_value_profile_transformations): Recompute iterator
6989 when basic block changed.
6991 2006-07-13 Nick Clifton <nickc@redhat.com>
6993 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
6994 walking the LOG_LINKS chain.
6996 2006-07-12 Geoffrey Keating <geoffk@apple.com>
6998 * doc/invoke.texi (C++ Dialect Options): Explain difference
6999 between -fvisibility-inlines-hidden and setting hidden
7000 visibility explicitly.
7002 2006-07-12 Eric Christopher <echristo@apple.com>
7004 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
7005 (stmp-lipo): Depend on libgcc.a.
7007 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
7009 * tree.c: Fix a comment typo.
7011 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
7013 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
7015 (umulhisi3_r): Likewise.
7017 2006-07-12 Paolo Carlini <pcarlini@suse.de>
7020 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
7021 x < 19, vs wchar_t support.
7023 2006-07-12 Nick Clifton <nickc@redhat.com>
7025 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
7026 instead of -isa=sh4.
7028 2006-07-12 Mike Stump <mrs@apple.com>
7030 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
7032 2006-07-10 Eric Christopher <echristo@apple.com>
7034 * config/t-slibgcc-darwin: Rewrite.
7036 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
7039 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
7042 2006-07-08 Matthias Klose <doko@debian.org>
7044 * doc/sourcebuild.texi: Fix typo.
7046 2006-07-07 Mike Stump <mrs@apple.com>
7048 * toplev.c (process_options): Don't give -ffunction-sections may
7049 affect debugging warning for Mach-O.
7051 2006-07-07 James E Wilson <wilson@specifix.com>
7053 * config/mips/mips.md (cpu): Add sb1a.
7054 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
7055 addition to sb1. Adjust comments to clarify SB-1A differences from
7057 (ir_sb1a_load): New. Modify bypasses to use it.
7058 (ir_sb1a_simple_alu): Likewise.
7059 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
7060 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
7061 (mips_issue_rate): Add PROCESSOR_SB1A.
7062 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
7063 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
7064 (TARGET_SB1): Add PROCESSOR_SB1A check.
7065 (TUNE_SB1): Likewise.
7067 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
7068 * config/mips/mips.c (mips_store_data_bypass_p): New.
7069 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
7070 store_data_bypass_p.
7072 2006-07-08 Paul Brook <paul@codesourcery.com>
7075 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
7077 2006-07-07 Richard Guenther <rguenther@suse.de>
7080 * tree.h (build_one_cst): Declare.
7081 * tree.c (build_one_cst): New function.
7082 * tree-ssa-math-opts.c (get_constant_one): Remove.
7083 (insert_reciprocals): Use build_one_cst.
7084 * fold-const.c (fold_plusminus_mult): Likewise.
7086 2006-07-07 Roger Sayle <roger@eyesopen.com>
7088 * pointer-set.c (pointer_set_destroy): Correct whitespace.
7089 * cfgloopanal.c (dump_graph): Likewise.
7090 * dojump.c (discard_pending_stack_adjust): Likewise.
7091 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
7093 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
7094 * function.c (finalize_block_changes): Likewise.
7095 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
7096 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
7097 * rtl.c (dump_rtx_statistics): Likewise.
7098 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
7100 * varray.c (dump_varray_statistics): Likewise.
7101 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
7102 decode_decimal64, encode_decimal128, decode_decimal128,
7103 decimal_real_to_decimal): Likewise.
7105 2006-07-07 Richard Guenther <rguenther@suse.de>
7107 PR tree-optimization/28187
7108 * tree-vrp.c (vrp_operand_equal_p): New function.
7109 (vrp_bitmap_equal_p): Likewise.
7110 (update_value_range): Use them to compare old and new
7113 2006-07-06 Roger Sayle <roger@eyesopen.com>
7115 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
7116 a default case to switch statement to silence compiler warnings.
7118 2006-07-06 Roger Sayle <roger@eyesopen.com>
7121 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
7122 the configured assembler supports the x87's ffreep mnemonic.
7123 * configure: Regenerate.
7124 * config.in: Regenerate.
7126 * config/i386/i386.c (output_387_ffreep): New function.
7127 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
7128 (output_387_reg_move): Likewise.
7130 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
7132 Port to hosts whose 'sort' and 'tail' implementations
7133 treat operands with leading '+' as file names, as POSIX
7134 has required since 2001. However, make sure the code still
7135 works on pre-POSIX hosts.
7136 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
7137 which says you should use "tail -c +N" rather than "tail +Nc".
7138 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
7140 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
7142 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
7145 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7148 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
7149 PRE_{INC,DEC} of TFmode.
7151 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7152 Alan Modra <amodra@bigpond.net.au>
7155 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
7158 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7161 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
7162 Remove duplicate gtu.
7164 2006-07-05 Jason Merrill <jason@redhat.com>
7168 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
7169 * c-common.c (handle_packed_attribute): So don't copy it here.
7170 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
7172 2006-07-05 Mike Stump <mrs@apple.com>
7174 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
7176 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
7179 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
7181 2006-07-05 Richard Guenther <rguenther@suse.de>
7184 * config/i386/i386.md (*negdf2_1): Restrict pattern to
7185 TARGET_SSE2 targets if using SSE math.
7186 (*absdf2_1): Likewise.
7188 2006-07-05 Richard Guenther <rguenther@suse.de>
7190 PR tree-optimization/28162
7191 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
7192 make sure to convert the operands to the correct type.
7194 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
7196 PR tree-optimization/28218
7198 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
7199 to calculate and free the dominator information.
7201 2006-07-04 Peter O'Gorman <peter@pogma.com>
7203 * mklibgcc.in: chmod 644 before ranlib during install.
7205 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
7206 J"orn Rennecke <joern.rennecke@st.com>
7208 * configure.ac (.eh_frame data check): Use diff -b.
7210 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
7213 * Makefile.in (BUILD_RTL): Add build/vec.o.
7214 (build/gencondmd.o): Filter out -fkeep-inline-functions.
7215 (build/genextract): Delete.
7216 (build/genautomata): Likewise.
7218 2006-07-04 Alan Modra <amodra@bigpond.net.au>
7221 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
7222 128-bit IBM long doubles for ABI_V4.
7224 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
7226 * tree.c (range_in_array_bounds_p): New predicate.
7227 * tree.h (range_in_array_bounds_p): Declare it.
7228 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
7229 return a less conservative answer.
7230 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
7231 and flag 'is_group'.
7232 (IS_ELEMENT_FOR_GROUP): New macro.
7233 (FOR_EACH_ACTUAL_CHILD): Likewise.
7234 (next_child_for_group): New helper function.
7235 (can_completely_scalarize_p): Take into account groups.
7236 (sra_hash_tree): Handle RANGE_EXPR.
7237 (sra_elt_eq): Likewise.
7238 (lookup_element): Be prepared for handling groups.
7239 (is_valid_const_index): Delete.
7240 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
7241 instead of is_valid_const_index.
7242 <ARRAY_RANGE_REF>: New case.
7243 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
7244 is_valid_const_index.
7245 <ARRAY_RANGE_REF>: Do not unconditionally punt.
7246 (scan_dump): Dump info for groups too.
7247 (decide_instantiation_1): Likewise.
7248 (decide_block_copy): Assert that the element is not a group.
7249 Propagate decision to groups.
7250 (generate_one_element_ref): Handle RANGE_EXPR.
7251 (mark_no_warning): Iterate over actual childs.
7252 (generate_copy_inout): Likewise.
7253 (generate_element_copy): Likewise.
7254 (generate_element_zero): Likewise.
7255 (generate_element_init_1): Likewise.
7256 (dump_sra_elt_name): Handle RANGE_EXPR.
7258 2006-07-03 Roger Sayle <roger@eyesopen.com>
7260 PR tree-optimization/26251
7261 * tree-ssa-threadupdate.c (redirection_block_p): New function.
7262 (thread_block): When optimizing for size refuse to thread jumps
7263 that would require duplication of blocks other than redirection
7266 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7268 * configure.ac: Fix thinko in previous check-in.
7269 * configure: Regenerate.
7271 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7274 * configure.ac (for lang...): Simplify nesting of conditionals.
7275 Test subdir_requires for non-enabled languages. Move processing
7276 of lang_opt_files and lang_tree_fiels below that test.
7277 * configure: Regenerate.
7278 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
7280 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
7282 * doc/gcov.texi (Invoking Gcov): Add a missing word.
7284 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
7286 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
7289 2006-06-29 Jason Merrill <jason@redhat.com>
7296 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
7297 * c-common.c (c_determine_visibility): Handle it here.
7298 * c-decl.c (finish_decl): Call c_determine_visibility for
7300 * flags.h (enum symbol_visibility): Sort from most to least visibility.
7302 * varasm.c (default_assemble_visibility): Likewise.
7303 * c-common.c (handle_visibility_attribute): Complain about trying
7304 to give visibility to an already defined class, or trying to change
7305 declared visibility. Always attach the attribute.
7310 * attribs.c (decl_attributes): Ignore type-in-place attributes
7311 once the type has been defined.
7313 2006-06-29 Roger Sayle <roger@eyesopen.com>
7316 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
7317 to indicate the cpplib has issued an error message for us.
7319 2006-06-29 Asher Langton <langton2@llnl.gov>
7322 * config/i386/i386.c (ix86_output_function_epilogue): Don't
7323 insert a label at the end of an function under Mach-O.
7325 2006-06-29 Eric Christopher <echristo@apple.com>
7326 Evan Cheng <evan.cheng@apple.com>
7328 * predicates.md (vector_all_ones_operand): New.
7329 (nonimmediate_or_sse_const_operand): Ditto.
7330 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
7331 * config/i386/i386.c (standard_sse_constant_opcode): Define.
7332 (standard_sse_mode_p): Ditto.
7333 (standard_sse_constant_p): Add case for -1 vector.
7334 (ix86_expand_vector_move): Try to use.
7335 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
7336 Call standard_sse_constant_opcode.
7337 (*movv4sf_internal): Ditto.
7338 (*movv2df_internal): Ditto.
7340 2006-06-29 Roger Sayle <roger@eyesopen.com>
7342 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
7343 of XEXP to extract the operands of a MATCH_CODE rtx.
7345 2006-06-28 Andrew Pinski <pinskia@gmail.com>
7347 * tree.c (tree_size): Do not waste tail padding in
7348 struct tree_string and make the size be the same as
7349 build_string will generate.
7351 2006-06-28 Jason Merrill <jason@redhat.com>
7354 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
7355 may_aliases already in the tag's annotations to the bitmap.
7357 2006-06-28 Roger Sayle <roger@eyesopen.com>
7359 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
7361 2006-06-28 Roger Sayle <roger@eyesopen.com>
7363 * genpreds.c (generate_switch_p): New function.
7364 (add_mode_tests): Push the new mode test down inside an AND expr
7365 if this allows the switch-suitable MATCH_CODE to be near the root.
7366 (write_match_code_switch): New function to write a MATCH_CODE as
7368 (write_predicate_stmts): New function to write a predicate RTX
7369 expression as a sequence of statements.
7370 (write_one_predicate_function): Use write_predicate_stmts.
7371 (write_tm_constrs_h): Likewise.
7373 2006-06-26 Fred Fish <fnf@specifix.com>
7375 * config/mips/t-sb1: New file.
7376 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
7379 2006-06-26 DJ Delorie <dj@redhat.com>
7381 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
7383 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
7384 Jayant Sonar <jayants@kpitcummins.com>
7385 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
7387 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
7388 (subsi3, subsi3_1, subsi3_2): New.
7389 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
7390 * config/m32c/mov.md (SI mov peephole): New.
7391 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
7392 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
7394 2006-06-26 Olivier Hainque <hainque@adacore.com>
7396 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
7397 a CALL_EXPR target function declaration.
7399 2006-06-26 Richard Guenther <rguenther@suse.de>
7401 * tree.c (build_string): Do not waste tail padding in
7404 2006-06-26 Richard Guenther <rguenther@suse.de>
7406 * ggc-page.c (init_ggc): Add missing element to size_lookup
7410 2006-06-23 Richard Guenther <rguenther@suse.de>
7412 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7413 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7414 alignment requests instead. Add verification code.
7415 Add struct tree_function_decl and struct tree_binfo size to
7416 extra_order_size_table. Add missing element to size_lookup
7419 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
7422 * fold-const.c (const_binop): Be prepared for self returning zero.
7423 Simplify code handling complex values.
7425 2006-06-24 Olivier Hainque <hainque@adacore.com>
7427 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
7428 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
7431 2006-06-24 Olivier Hainque <hainque@adacore.com>
7433 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
7434 ARRAY_REF, so have the callback called for the low bound expression.
7436 2006-06-23 Janis Johnson <janis187@us.ibm.com>
7438 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
7439 * c-typeck.c (c_common_type): Disallow operations on decimal float
7440 types and other float types.
7441 * convert.c (convert_to_real): Don't ignore conversions involving
7442 decimal float types.
7444 2006-06-23 Olivier Hainque <hainque@adacore.com>
7446 * tree.c (max_int_size_in_bytes): New function, inspired from
7447 code in function.c:assign_temp.
7448 * tree.h (max_int_size_in_bytes): Declare.
7449 * function.c (assign_temp): Use it.
7450 * gimplify.c (create_tmp_var): Relax the assertions on the type
7451 properties, not mandating constant size any more.
7452 (force_constant_size): New static function.
7453 (gimple_add_tmp_var): Use it, forcing variable size to a
7454 constant upper bound if it is not constant on entry.
7456 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
7459 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
7460 for initialization and setting of one_only flag to ...
7461 (i386_pe_encode_section_info): ...here.
7462 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
7463 Recheck that the symbol has not been defined.
7465 2006-06-23 Richard Guenther <rguenther@suse.de>
7467 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7468 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7469 alignment requests instead. Add verification code.
7470 Add struct tree_function_decl and struct tree_binfo size to
7471 extra_order_size_table. Add missing element to size_lookup
7474 2006-06-22 Roger Sayle <roger@eyesopen.com>
7475 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7478 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
7479 call to lang_hooks.types.type_for_mode returned NULL_TREE.
7481 2006-06-23 Ben Elliston <bje@au.ibm.com>
7483 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
7484 negate dn -- manipulate it directly.
7486 2006-06-22 Roger Sayle <roger@eyesopen.com>
7487 Steven Bosscher <stevenb.gcc@gmail.com>
7490 * reload1.c (gen_reload): Call mark_jump_label on the new insns
7491 generated by gen_move_insn to add REG_LABEL notes if necessary.
7493 2006-06-22 Bob Wilson <bob.wilson@acm.org>
7495 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
7496 (leaf_entry): Remove use of MIN_ESA.
7498 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
7500 PR rtl-optimization/28121
7501 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
7504 2006-06-21 DJ Delorie <dj@redhat.com>
7506 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
7508 (mulhisi3_r): Likewise.
7510 2006-06-21 Richard Sandiford <richard@codesourcery.com>
7513 * coverage.c (coverage_counter_alloc): Leave the index type
7515 (coverage_counter_alloc): Use null arguments for operands 2 and 3
7518 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
7520 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
7521 section from the "Options for Code Generation Conventions".
7523 2006-06-21 Richard Henderson <rth@redhat.com>
7527 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
7529 (global_symbolic_operand): Allow weak symbols, even if local_p.
7531 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
7533 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
7534 (find_interesting_uses_address): Punt if above function returns true.
7536 2006-06-21 Richard Guenther <rguenther@suse.de>
7538 * configure: Regenerated.
7540 2006-06-21 Joseph Myers <joseph@codesourcery.com>
7542 * config/mips/mips.c (function_arg): Where one part of a
7543 complex argument is in registers and the other part in the stack,
7544 return a REG not a PARALLEL.
7546 2006-06-21 Mark Mitchell <mark@codesourcery.com>
7548 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
7549 when cross-compiling. Do not substitute libstdcxx_incdir.
7550 * configure: Regenerated.
7552 2006-06-21 Jakub Jelinek <jakub@redhat.com>
7554 * varasm.c (mergeable_string_section): Check for embedded NULs and
7555 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
7556 rather than TREE_STRING_LENGTH bytes.
7558 2006-06-21 Richard Guenther <rguenther@suse.de>
7560 * ggc-page.c (extra_order_size_table): Add var_ann_d,
7561 tree_ssa_name, bitmap_element and phi_node with 4 arguments
7564 2006-06-21 Richrad Guenther <rguenther@suse.de>
7566 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
7567 Limit iteration over the dominators.
7569 2006-06-20 Roger Sayle <roger@eyesopen.com>
7571 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
7572 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
7574 2006-06-20 Richard Guenther <rguenther@suse.de>
7575 Michael Matz <matz@suse.de>
7577 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
7579 * alloc-pool.c (free_alloc_pool_if_empty): New function.
7580 * et-forest.h (et_free_pools): Prototype new function.
7581 * et-forest.c (et_free_tree_force): Free parent occurrence.
7582 (et_free_pools): New function.
7583 * dominance.c (free_dominance_info): Free et-forest alloc
7586 2006-06-20 Roger Sayle <roger@eyesopen.com>
7588 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
7589 integer modes, attempt to directly construct an integer constant.
7591 * fold-const.c (native_encode_vector): Determine the size of each
7592 element from the vector type instead of the first vector element.
7594 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
7595 if all of its elements/components are constant.
7596 (build_constructor_from_list): Likewise.
7598 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
7600 PR tree-optimization/27331
7601 * tree-data-ref.c (free_data_ref): New function.
7602 (create_data_ref): Fail if the data reference has unknown access
7604 (free_data_refs): Use free_data_ref.
7606 2006-06-19 Andrew Pinski <pinskia@gmail.com>
7609 * tree-inline.c (setup_one_parameter): Strip useless
7610 type conversion before adding it to the IR.
7611 (declare_return_variable): Likewise.
7613 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
7616 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
7618 2006-06-19 Mike Stump <mrs@apple.com>
7620 * tree.c (variably_modified_type_p): VM arguments don't make the
7623 2006-06-19 Richard Guenther <rguenther@suse.de>
7625 * tree-ssa-pre.c (try_combine_conversion): Strip useless
7626 type conversions after folding.
7628 2006-06-19 Richard Guenther <rguenther@suse.de>
7630 * ggc-page.c (extra_order_size_tab): Add entries with
7631 size of struct function and basic_block.
7632 (size_lookup): Extend to cover sizes up to 511.
7633 (ggc_alloc_stat): Adjust user.
7634 (ggc_pch_count_object): Likewise.
7635 (ggc_pch_alloc_object): Likewise.
7636 (ggc_pch_write_object): Likewise.
7638 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
7640 * tree-ssa-loop-niter.c (implies_ge_p): New function.
7641 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
7644 2006-06-19 Denis Chertykov <denisc@overta.ru>
7646 * config/avr/libgcc.S : Correct my wrong previous commit.
7648 2006-06-19 Roger Sayle <roger@eyesopen.com>
7651 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
7652 have stripped a SUBREG from the shift count, so we may need to
7653 convert_to_mode back to the type's mode before calling make_tree.
7654 Use new_amount instead of amount to avoid expanding a tree twice.
7656 2006-06-19 Richard Guenther <rguenther@suse.de>
7659 * fold-const.c (operand_equal_p): Check if the argument types
7660 have the same precision before stripping NOPs.
7662 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
7664 Fix PR tree-optimization/27341
7665 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
7667 * tree-complex.c (pass_lower_complex): Update SMT usage.
7669 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
7671 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
7672 Add a new alternative to the constraint strings. Add move of
7673 operand 1 to 3 to the splitter definition.
7674 ("doloop_si_long"): Second contraint alternative removed.
7676 2006-06-08 Anatoly Sokolov <aesok@post.ru>
7678 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
7679 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
7681 (AVR_HAVE_MOVW) Define.
7682 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
7683 (ASM_SPEC): Add avr25.
7684 (LINK_SPEC): Add avr25.
7685 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
7686 (base_arch_s): Add new member 'have_movw_lpmx'.
7687 (avr_arch_types): Init 'have_movw_lpmx'.
7688 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
7689 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
7690 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
7691 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
7692 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
7694 (avr_file_start): Do not output '.arh' derective.
7695 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
7696 (__do_copy_data): Use __AVR_HAVE_LPMX__.
7697 * config/avr/avr.md (mcu_enhanced): Delete.
7698 (mcu_have_movw): Define.
7699 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
7700 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
7701 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
7702 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
7703 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
7704 attiny861 and at86rf401 devices.
7706 2006-06-18 Jie Zhang <jie.zhang@analog.com>
7708 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
7711 2006-06-17 Karl Berry <karl@gnu.org>
7713 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
7714 doc/gccint.texi, doc/install.texi (@dircategory): Use
7715 "Software development" instead of "Programming", following
7716 the Free Software Directory.
7718 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
7720 * config/i386/i386.c (legitimate_tls_address)
7721 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
7722 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
7723 (*tls_dynamic_gnu2_combine_64): Likewise.
7725 2006-06-16 Richard Guenther <rguenther@suse.de>
7728 * fold-const.c (negate_expr_p): Do not introduce undefined
7729 overflow in negating INTEGER_CSTs.
7730 (fold_negate_expr): Rename from negate_expr. Revert last
7731 change for folding BIT_NOT_EXPR. Change semantics to
7732 return NULL_TREE for non-simplified negations. Do not
7733 strip type conversions and unify type handling.
7734 (negate_expr): New function, wrap around fold_negate_expr
7735 but ensure building a tree always. Strip type conversions
7736 here, fold to result type.
7737 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
7739 2006-06-16 Roger Sayle <roger@eyesopen.com>
7742 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
7743 that (would) return their results in stack registers.
7745 2006-06-16 Michael Matz <matz@suse.de>
7746 Richard Guenther <rguenther@suse.de>
7748 * fold-const.c (fold_truthop): Only return new tree node if
7749 we canonicalized something.
7751 2006-06-16 Richard Guenther <rguenther@suse.de>
7753 * function.h (enum function_frequency): Move declaration
7754 out of struct function.
7755 (struct function): Move bool fields and the enum to the bitfield
7756 section. Reorder elements to avoid padding. Remove unused
7757 fields left over from the RTL inliner removal.
7758 * function.c (free_after_compilation): Do not zero removed fields.
7759 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
7760 (ipa-type-escape.o): Likewise.
7762 2006-06-16 Richard Guenther <rguenther@suse.de>
7764 * cgraph.h (struct cgraph_local_info): Turn bool elements
7766 (struct cgraph_node): Likewise.
7767 (struct cgraph_varpool_node): Likewise.
7769 2006-06-15 Richard Guenther <rguenther@suse.de>
7771 * fold-const.c (fold_truth_not_expr): Rename from
7772 invert_truthvalue. Give it fold_* semantics to avoid
7774 (invert_truthvalue): New function. Wrapper around
7775 fold_truth_not_expr.
7776 (optimize_minmax_comparison): Avoid creating garbage.
7777 (fold_unary): Use fold_truth_not_expr for folding
7779 (fold_ternary): Replace uses of invert_truthvalue with
7780 fold_truth_not_expr where applicable.
7781 * tree.h (fold_truth_not_expr): Prototype.
7783 2006-06-16 Richard Guenther <rguenther@suse.de>
7785 PR tree-optimization/27781
7786 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
7787 * ipa-pure-const.c (target.h): Include.
7788 (analyze_function): Do not analyze functions that do not
7791 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
7794 * tree-dfa.c (referenced_vars_dup_list): Remove.
7795 (find_referenced_vars): Remove assert.
7796 (referenced_var_check_and_insert): Replace dup list with assert.
7797 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
7798 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
7800 2006-06-15 Richard Guenther <rguenther@suse.de>
7802 * tree-ssa-structalias.c (alias_get_name): Avoid creating
7803 extra unused identifiers if not dumping.
7804 (create_variable_info_for): Likewise.
7806 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
7808 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
7809 (derive_constant_upper_bound): Derive more precise upper bound in
7810 common cases. Return type changed to double_int.
7811 (record_estimate): Reflect the changed return type of
7812 derive_constant_upper_bound.
7813 * double-int.c (double_int_zext, double_int_sext): Fix.
7815 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
7817 * configure.ac (CFLAGS): Get them from the toplevel or from the
7818 configure invocation.
7819 * configure: Regenerate.
7820 * Makefile.in (CFLAGS): Substitute value provided by configure.
7822 2006-06-14 Mark Mitchell <mark@codesourcery.com>
7825 * c-common.h (c_finish_omp_atomic): Adjust declaration.
7826 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
7827 rather than calling add_stmt on it.
7828 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
7830 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
7833 * reload1.c (reload): Remove registers returned by update_eliminables
7834 from used_spill_regs.
7836 2006-06-13 DJ Delorie <dj@redhat.com>
7838 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
7840 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
7842 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
7843 html__strip_dir, html__mkdir_p. Enhance install-html target.
7844 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
7845 * configure: Regenerate.
7847 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
7849 * fold-const.c (fold_cond_expr_with_comparison): Check for
7850 Objective-C++ as language in deciding COND_EXPR transformation.
7852 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
7855 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
7856 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
7857 * config/sh/lib1funcs.h (SL, SL1): Define.
7858 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
7859 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
7860 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
7861 (OBJS_Os_4_200): New variable.
7862 ($(T)libgcc-Os-4-200.a): Use it.
7863 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
7864 when dividing 1 and/or by 0.
7866 2006-06-13 Roger Sayle <roger@eyesopen.com>
7868 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
7869 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
7870 * configure: Regenerate.
7872 2006-06-13 Jie Zhang <jie.zhang@analog.com>
7874 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
7875 for real instruction.
7877 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7880 * haifa-sched.c (check_cfg): Handle special case.
7882 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
7885 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
7886 Add debug_info parameter. Chain the vars to the BLOCK instead
7887 of the BIND_EXPR if debug info are requested for them.
7888 (pop_gimplify_context): Adjust for above change.
7889 (gimple_add_tmp_var): Likewise.
7890 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
7892 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
7893 (convert_local_reference): Likewise.
7894 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
7895 (finalize_nesting_tree_1): Request that debug info be emitted
7896 for debug_var_chain.
7898 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7900 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
7901 for PR target/27863.
7903 2006-06-13 Richard Guenther <rguenther@suse.de>
7906 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
7908 2006-06-13 Richard Guenther <rguenther@suse.de>
7910 PR tree-optimization/27830
7911 * tree-inline.c (copy_body_r): For copying the operand
7912 of an ADDR_EXPR make sure to fold &* afterwards.
7914 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
7916 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
7917 lvalues in the fb_none case with side-effects.
7919 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
7921 * tree-flow.h: Remove the prototype for
7922 compute_phi_arg_on_exit.
7923 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
7924 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
7927 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
7929 * builtins.c (expand_builtin_return_addr): Only use
7930 frame_pointer_rtx when count == 0 and we are expanding
7931 __builtin_return_address.
7933 2006-06-12 Fred Fish <fnf@specifix.com>
7935 * config/mips/mips.c (mips_file_start): Create special section
7936 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
7938 2006-06-11 Eric Christopher <echristo@apple.com>
7941 * stor-layout.c (place_field): Remove check for
7942 remaining_in_alignment when aligning at the end of a run.
7944 2006-06-11 Eric Christopher <echristo@apple.com>
7947 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
7950 2006-06-11 Roger Sayle <roger@eyesopen.com>
7953 Revert incorrect fix for PR target/27158
7954 2006-05-08 Roger Sayle <roger@eyesopen.com>
7955 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7956 of a reg_equiv_constant if the result is a legitimate constant.
7958 2006-06-11 Roger Sayle <roger@eyesopen.com>
7961 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
7962 extract a CONST_VECTOR element and interpret it as an integer.
7963 (vspltis_constant): Use const_vector_elt_as_int instead of the
7964 macro CONST_VECTOR_ELT in order to handle FP vector modes.
7965 * config/rs6000/predicates.md (easy_vector_const): Consider
7966 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
7968 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
7971 * stor-layout.c (update_alignment_for_field): Don't add extra
7972 alignment for packed non-bitfield fields in ms_bitfield_layout_p
7975 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
7977 * config/mips/t-rtems: Add EL/EB multilib variants.
7979 2006-06-09 Mike Stump <mrs@apple.com>
7981 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
7983 2006-06-09 David Daney <ddaney@avtrex.com>
7985 * doc/install.texi: Add binutils version recommendation for mips-*-*.
7987 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
7989 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
7991 2006-06-09 Richard Guenther <rguenther@suse.de>
7993 PR tree-optimization/26998
7994 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
7995 of signed types, only TYPE_MIN_VALUE is special, but for both,
7996 minimum and maximum value. Likewise VR_ANTI_RANGE is special
7997 in this case, as is -fwrapv.
7999 2006-06-08 Mike Stump <mrs@apple.com>
8002 * config/darwin.c (darwin_asm_output_anchor): Disable
8003 -fsection-anchors on darwin for now.
8004 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
8005 * rs6000/rs6000.c (optimization_options): Likewise.
8007 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8010 * config/i386/i386.c (classify_argument): Skip fields with invalid
8013 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
8015 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
8016 (cse_insn): Likewise for the stack_pointer_rtx.
8018 2006-06-08 Roger Sayle <roger@eyesopen.com>
8020 * tree-ssa-dom.c (record_conditions): Only record "unordered"
8021 conditions from floating point comparisons.
8023 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
8026 * expmed.c (struct alg_hash_entry): Fix type of field T
8027 to match synth_mult argument.
8028 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
8030 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8033 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
8036 2006-06-08 Richard Guenther <rguenther@suse.de>
8039 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
8040 only, if overflow is defined and not trapping.
8041 (negate_expr): Likewise.
8043 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
8045 PR tree-optimization/27872
8046 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
8047 flag on the new exit edge of the unrolled loop.
8049 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
8051 PR rtl-optimization/26449
8052 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
8054 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
8057 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
8058 referenced_variables with matching DECL_UID's.
8059 (find_referenced_vars): Make sure duplicate list is empty to start.
8060 (referenced_var_p): Remove.
8061 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
8062 Check if var is in the list, and add if needed. Update the duplicate
8063 list if a different var is in the list with the same DECL_UID.
8064 (add_referenced_var): Call routine to check and insert.
8065 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
8066 * tree-flow.h (referenced_vars_dup_list): External declaration.
8068 2006-06-07 Fred Fish <fnf@specifix.com>
8070 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
8073 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
8076 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
8077 the imaginary and real parts of a clobbered register.
8078 Emit insn to set the imaginary part.
8080 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
8082 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
8083 in lieu of unwind-dw2-fde.c.
8085 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
8087 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
8089 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
8092 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
8093 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
8094 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
8095 V4SImode temporaries and operations instead.
8097 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
8099 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
8102 2006-06-06 Mike Stump <mrs@apple.com>
8104 * Makefile.in: Rename to htmldir to build_htmldir to avoid
8105 installing during build.
8107 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8109 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
8111 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8112 * config/ia64/ia64.c (params.h): New header.
8113 (ia64_optimization_options): New function to adjust parameters.
8114 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
8115 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
8116 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
8118 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
8120 * stor-layout.c (debug_rli): Fix a typo in a debug message.
8122 2006-06-05 Steve Ellcey <sje@cup.hp.com>
8125 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
8127 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
8128 Victor Kaplansky <victork@il.ibm.com>
8130 PR tree-optimization/26360
8131 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
8134 2006-06-04 Roger Sayle <roger@eyesopen.com>
8135 Andrew Pinski <pinskia@physics.uc.edu>
8138 * c-common.c (c_common_truthvalue_conversion): Explicitly check
8139 for LABEL_DECL before calling DECL_WEAK.
8142 * c-typeck.c (build_binary_op): Likewise, explicitly check for
8143 LABEL_DECL and PARM_DECL.
8145 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
8149 * c-decl.c (grokdeclarator): Disallow variably modified types at
8150 file scope. Avoid marking shared array type of constant size as
8153 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8156 * c-common.c (fold_offsetof_1): Handle static members.
8158 2006-06-04 Eric Christopher <echristo@apple.com>
8160 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
8161 (debug_rli): Output value for remaining_in_alignment.
8162 (update_alignment_for_field): Unconditionalize
8163 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
8164 extra alignment code.
8165 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
8166 ms_bitfield_layout_p code. Rewrite handling of structure fields.
8167 * tree.h (record_layout_info_s): Remove prev_packed.
8168 * doc/extend.texi (ms_struct): Add documentation of format.
8170 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
8172 * tree.h: Declare folding_initializer.
8173 * builtins.c (fold_builtin_constant_p): Give definite answer
8174 if folding inside an initializer.
8175 * fold-const.c: Define folding_initializer.
8176 (START_FOLD_INIT): Save and then set folding_initializer.
8177 (END_FOLD_INIT): Restore folding_initializer.
8179 2006-06-04 Richard Guenther <rguenther@suse.de>
8181 PR tree-optimization/27039
8182 * fold-const.c (fold_comparison): Handle pointer comparison
8183 again for all comparison codes. Compare offsets in signed
8185 (fold_binary): Move code from here.
8187 2006-06-03 Roger Sayle <roger@eyesopen.com>
8190 * config/i386/i386.c (construct_container): Split static issued_error
8191 flag into issued_sse_arg_error, issued_sse_ret_error and
8192 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
8193 requires the use of x87 registers and the user explicitly
8194 specified the -mno-80387 command line option.
8196 2006-06-02 Geoffrey Keating <geoffk@apple.com>
8198 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
8199 HAVE_DECL_SIGALTSTACK.
8201 (segv_handler): Use MC_FLD.
8202 * configure.ac: Check for a sigaltstack declaration.
8203 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
8204 * configure: Regenerate.
8205 * config.in: Regenerate.
8207 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
8210 * Makefile.in (stmp-fixinc): Fix typo.
8212 2006-06-02 Roger Sayle <roger@eyesopen.com>
8214 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
8215 are type correct. Clean-up.
8216 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
8217 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
8219 2006-06-01 DJ Delorie <dj@redhat.com>
8221 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
8222 shift, as we've disabled the "switch" insn that needs it.
8224 2006-06-01 Per Bothner <bothner@bothner.com>
8226 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
8227 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
8228 * c-ppoutput.c (cb_define): Don't increment line 0.
8230 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
8232 * doc/invoke.texi: Add cpu_type power6.
8233 * config.gcc: Add cpu_type power6.
8234 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
8235 to power5+ with Altivec.
8236 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
8237 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
8239 2006-05-30 Anatoly Sokolov <aesok@post.ru>
8241 * config/avr/avr.h (SET_ASM_OP): Define.
8243 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
8245 * config/bfin/bfin.c: Fix comment typos.
8247 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8250 * doc/install.texi: Document --enable-bootstrap and
8251 --disable-bootstrap.
8253 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8255 * doc/install.texi: Document that InfoZIP can replace jar.
8257 2006-05-31 Roger Sayle <roger@eyesopen.com>
8259 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
8260 isn't available, directly generate the simpler x87 patterns without
8261 the (use (const_int 0)).
8262 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
8263 implementation isn't available.
8264 (*negdf2_1): Likewise.
8265 (*negxf2_1): XF mode negation is always done using the x87.
8266 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
8268 2006-05-31 Roger Sayle <roger@eyesopen.com>
8270 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
8271 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
8273 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
8275 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8277 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
8278 * config/bfin/bfin.c (basic-block.h): Include.
8279 (struct machine_function): New.
8280 (bfin_init_machine_status): New.
8281 (override_options): Initialize init_machine_status.
8282 (bfin_hardware_loop): New.
8283 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
8284 (DEF_VEC_P (loop_info)): New.
8285 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
8286 (struct loop_info): New.
8287 (loop_info): New typedef.
8288 (struct loop_work): New.
8289 (loop_work): New typedef.
8290 (DEF_VEC_O (loop_work)): New.
8291 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
8292 (bfin_dump_loops): New.
8293 (bfin_bb_in_loop): New.
8294 (bfin_scan_loop): New.
8295 (bfin_optimize_loop): New.
8296 (bfin_reorg_loops): New.
8297 (bfin_reorg): Use bfin_reorg_loops.
8298 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
8300 (I_REGNO_P): Simplify.
8301 (DP_REGNO_P, DPREG_P): New macros.
8302 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
8303 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
8304 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8305 Add LT_REGS, LC_REGS, LB_REGS.
8306 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
8308 (REGNO_REG_CLASS): Deal with loop registers.
8309 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
8311 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
8312 New constants for loop registers.
8313 (UNSPEC_LSETUP_END): New.
8314 (seq_insns): New define_attr. Set it for appropriate insns.
8315 (movsi_insn): Add alternatives for move from/to
8316 loop count registers.
8317 (doloop_end): New define_expand.
8318 (loop_end): New define_insn.
8319 (define_split for bad doloop_end): New.
8320 (lsetup_with_autoinit): New define_insn.
8321 (lsetup_without_autoinit): New define_insn.
8322 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
8323 * config/bfin/predicates.md (lc_register_operand): New.
8324 (lt_register_operand): New.
8325 (lb_register_operand): New.
8326 (nondp_register_operand): New.
8327 (nondp_reg_or_memory_operand): New.
8328 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
8330 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8332 * config/bfin/bfin.c (bfin_delegitimize_address): New.
8333 (TARGET_DELEGITIMIZE_ADDRESS): Define.
8335 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
8337 * Makefile.in (CATALOGS): Add po/ prefix.
8338 * configure: Regenerated.
8340 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
8343 * arm.c (arm_print_operand case 'S'): Validate that the operand is
8344 a shift operand before calling shift_op. Avoid redundant call of
8347 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
8348 DJ Delorie <dj@redhat.com>
8350 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
8351 we're inserting is a singlt-bit constant.
8353 2006-05-30 Roger Sayle <roger@eyesopen.com>
8355 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
8356 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
8358 2006-05-30 Roger Sayle <roger@eyesopen.com>
8360 PR tree-optimization/23452
8361 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
8362 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
8363 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
8364 complex values and with -ffast-math for FP complex values.
8366 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
8368 * c-common.h: Remove the prototype for yyparse.
8369 * rtl.h: Remove the prototype for init_loop.
8371 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
8373 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
8376 2006-05-30 Roger Sayle <roger@eyesopen.com>
8378 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
8380 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
8381 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
8383 2006-05-30 Dirk Mueller <dmueller@suse.de>
8386 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
8387 for CONSTANT_CLASS_P expresisons.
8389 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8392 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
8394 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
8396 PR tree-optimization/27779
8397 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
8398 initial_condition instead of CHREC_LEFT.
8400 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
8402 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
8403 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
8404 Make prototypes ISO C90.
8406 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
8407 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8409 * see.c (see_analyze_one_def): Correct check.
8410 (see_get_extension_data): Check if extension is parallel.
8411 (see_get_extension_reg): Likewise.
8413 2006-05-30 Uros Bizjak <uros@kss-loka.si>
8416 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
8417 into register for (code == GTU).
8419 2006-05-29 Roger Sayle <roger@eyesopen.com>
8421 PR tree-optimization/24964
8422 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
8423 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
8424 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
8425 abs(x)*abs(x) as x*x for scalar floating point modes.
8427 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
8430 * lambda-code.c (perfect_nestify): Don't copy statements
8431 in the inner loop: move them to the inner loop header.
8433 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8436 * c-tree.texi: Document OpenMP directives and clauses.
8438 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8440 * varasm.c (globalize_decl): Fix indentation.
8442 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8445 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
8446 pass_fre, pass_store_ccp, pass_copy_prop,
8447 pass_store_copy_prop, pass_merge_phi, pass_nrv,
8448 pass_return_slot, pass_object_size, pass_lim,
8449 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
8450 pass_loop_prefetch and pass_stdarg.
8452 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
8454 * config/bfin/bfin.opt (mfdpic): New option.
8455 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
8456 (EXTRA_MULTILIB_PARTS): Likewise.
8457 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
8458 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
8460 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
8461 (CRT_CALL_STATIC_FUNCTION): New.
8462 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
8464 (CRT_CALL_STATIC_FUNCTION): New.
8465 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
8467 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
8468 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
8469 (initialize_trampoline): Changed to handle FD-PIC code generation.
8470 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
8471 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
8472 (override_options): Disallow -mid-shared-library -mfdpic combination.
8473 Can't do unaligned ops if FD-PIC.
8474 Turn off flag_pic if trying to generate non-id-shared-library
8475 non-fdpic code, since it's not supported.
8476 (bfin_assemble_integer): New function.
8477 (TARGET_ASM_INTEGER): Define.
8478 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
8480 * config/bfin/crtn.s: Restore them.
8481 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
8483 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
8484 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
8485 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
8486 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
8487 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
8489 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
8490 FDPIC_REGS and FDPIC_FPTR_REGS.
8491 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
8492 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
8493 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
8494 (load_funcdescsi): New pattern.
8495 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
8496 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
8497 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
8499 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8501 * gcse.c, rtlanal.c: Remove obsolete comments associated with
8504 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
8506 * tree-flow.h: Remove the prototype for add_type_alias.
8507 * tree-ssa-alias.c (add_type_alias): Remove.
8509 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
8511 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
8512 config/fr30/fr30.md, config/i386/i386-interix.h,
8513 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
8514 config/sh/superh64.h, config/v850/v850.c, df-core.c,
8515 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
8516 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
8517 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
8518 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
8519 Follow spelling conventions.
8520 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
8521 Follow spelling conventions.
8523 2006-05-27 Richard Guenther <rguenther@suse.de>
8526 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
8527 to produce a constant of value 1 of generic type.
8529 2006-05-27 Dirk Mueller <dmueller@suse.de>
8531 * cgraphunit.c (decide_is_function_needed): Fix wrong
8534 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
8536 PR rtl-optimization/27661
8537 * reload.c (find_reloads): When reloading a VOIDmode constant
8538 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
8539 use Pmode as mode of the reload register.
8541 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
8543 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
8544 is enabled at -O and above.
8546 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
8549 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
8552 2006-05-25 Mark Mitchell <mark@codesourcery.com>
8555 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
8556 for anonymous variables explicitly declared by front ends.
8558 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8560 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
8561 (struct alias_info): Add new field ref_all_symbol_mem_tag.
8562 * tree-ssa-alias.c (compute_may_aliases): If the program contains
8563 ref-all pointers, run a finalization pass for them.
8564 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
8565 (finalize_ref_all_pointers): New function.
8566 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
8567 regular pointer type to a ref-all pointer type.
8568 (get_tmt_for): Return the special memory tag for ref-all pointers.
8570 2006-05-25 Richard Guenther <rguenther@suse.de>
8573 * fold-const.c (fold_binary): Do not look at the stripped
8574 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
8576 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8578 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
8579 for LT and GT if the computed range is effectively empty.
8581 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8584 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
8585 mips_quad_format formats instead of ieee_single_format,
8586 ieee_double_format and ieee_quad_format formats, respectively.
8588 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
8590 PR tree-optimization/27639
8591 PR tree-optimization/26719
8592 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
8593 call to scev_probably_wraps_p.
8594 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
8595 used_in_pointer_arithmetic_p, convert_step): Removed.
8596 (nowrap_type_p): New function.
8597 (scev_probably_wraps_p): Rewritten.
8598 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
8599 chrec_convert if chrec_convert_aggressive might have been used.
8600 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
8601 scev_direction): New functions.
8602 (chrec_convert): Changed to a wrapper over chrec_convert_1.
8603 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
8604 instead of convert_step.
8605 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
8606 (convert_step): Declaration removed.
8607 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
8609 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
8611 * df-core.c: Added to header comments.
8612 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
8613 df_ur_bb_info, df_urec_bb_info): Added comments.
8614 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
8615 urec, ri problems): Fixed header comments.
8616 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
8617 code from df_rd_transfer_function.
8619 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8621 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
8622 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
8623 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
8625 2006-05-23 Joseph Myers <joseph@codesourcery.com>
8627 * expr.c (undefined_operand_subword_p): New.
8628 (emit_move_multi_word): Do not generate move from undefined bits
8629 of a paradoxical subreg.
8631 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8633 PR rtl-optimization/27736
8634 * combine.c (replaced_rhs_value): New variable.
8635 (combine_instructions): Set it.
8636 (distribute_notes): When distributing a note in replaced_rhs_insn,
8637 check whether the value was used in replaced_rhs_value.
8639 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
8642 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
8643 add_referenced_var instead of add_referenced_tmp_var.
8644 * tree-complex.c (create_one_component_var): Use add_referenced_var.
8645 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
8647 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
8648 tree_optimize_tail_calls_1): Use add_referenced_var.
8649 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
8650 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
8651 Use add_referenced_var.
8652 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
8653 * gimplify.c (force_gimple_operand): Use add_referenced_var.
8654 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
8655 Use add_referenced_var.
8656 * tree-dfa.c (struct walk_state): Remove.
8657 (find_referenced_vars): Remove walk state and vars_found hash table.
8658 (make_rename_temp): Use add_referenced_var.
8659 (find_vars_r): Pass less parameters to add_referenced_var.
8660 (referenced_var_p): New. Is var in referenced_var hash table.
8661 (referenced_var_insert): Assert var isn't already in hash table.
8662 (add_referenced_var): Don't need walk_state parameter. Add var if it
8663 isn't already in the hash table.
8664 (add_referenced_tmp_var): Remove.
8665 (find_new_referenced_vars_1): Use add_referenced_var.
8666 * tree-ssa-pre.c (create_expression_by_pieces,
8667 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
8668 Use add_referenced_var.
8669 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
8670 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
8671 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
8673 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8674 vect_create_data_ref_ptr, vect_create_destination_var,
8675 vect_init_vector, vect_build_loop_niters,
8676 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
8677 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
8678 Use add_referenced_var.
8679 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
8680 * tree-flow.h (add_referenced_tmp_var): Remove prototype
8681 (add_referenced_var): Add prototype.
8682 * tree-ssa-structalias.c (get_constraint_for,
8683 intra_create_variable_infos): Use add_referenced_var.
8685 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
8687 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
8688 big-endian paradoxical subregs.
8689 * var-tracking.c (struct micro_operation_def): Document that,
8690 for modify micro operations, insn is the subsequent instruction.
8691 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
8692 (var_reg_set, var_mem_set): ... new functions.
8693 (add_stores): Record subsequent insn.
8694 (compute_bb_dataflow): Use new functions for MO_USE.
8695 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
8696 notes after the insn, and modify notes before the insn known
8697 to be the subsequent one.
8698 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
8700 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
8703 * config/i386/i386.c (ix86_expand_builtin): Use
8704 gen_sse3_monitor64 for TARGET_64BIT.
8706 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
8708 PR rtl-optimization/26375
8709 PR rtl-optimization/26855
8710 * df-problems (df_ru_bb_local_compute_process_def): Removed update
8712 (df_ru_bb_local_compute): Reversed statements and removed bogus
8713 comment explaining why they should be in wrong order.
8714 (df_ru_dump, df_rd_dump): Enhanced debug info.
8715 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
8717 * ddg.c (add_deps_for_def): Converted use of reaching defs to
8718 reaching uses and fixed space problem.
8720 2006-05-23 Jan Hubicka <jh@suse.cz>
8722 * cgraphunit.c (decide_is_function_needed): Also nested functions
8723 and functions declared inline can be optimized out at -O0.
8725 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
8727 * doc/install.texi (Configuration): Remove reference to CrossGCC
8731 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8734 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
8735 ix86_compare_emitted is non-NULL.
8737 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8740 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
8743 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8745 PR rtl-optimization/25514
8746 * combine.c (replaced_rhs_insn): New variable.
8747 (combine_instructions): Set replaced_rhs_insn when trying to replace
8748 a SET_SRC with a REG_EQUAL note.
8749 (distribute_notes): Use replaced_rhs_insn when determining the live
8750 range of a REG_DEAD register.
8752 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
8753 Anatoly Sokolov <aesok@post.ru>
8755 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
8756 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
8757 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
8758 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
8759 atmega3290, atmega649, atmega6490, atmega406, atmega640,
8760 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
8761 at90usb647, at90usb1286 and at90usb1287 devices.
8762 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8763 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8765 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8767 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
8769 2006-05-22 Richard Guenther <rguenther@suse.de>
8772 2006-01-31 Richard Guenther <rguenther@suse.de>
8773 Paolo Bonzini <bonzini@gnu.org>
8775 * doc/install.texi (--disable-libgcc-math): Document.
8777 2006-05-22 Richard Guenther <rguenther@suse.de>
8780 2006-01-31 Richard Guenther <rguenther@suse.de>
8782 * doc/invoke.texi (-msselibm): Document.
8783 * target.h (expand_library_builtin): New target hook.
8784 * builtins.c (expand_builtin): Use expand_library_builtin.
8785 (default_expand_library_builtin): New function.
8786 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8787 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8788 (link_gcc_math_spec): Declare.
8789 (static_specs): Add link_gcc_math_spec.
8790 * expr.h (default_expand_library_builtin): Declare.
8791 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8792 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8793 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8794 * config/i386/i386.opt (msselibm): New target option.
8795 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8796 (ix86_init_sse_abi_builtins): New function.
8797 (ix86_expand_library_builtin): Likewise.
8798 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8799 (override_options): Handle error conditions wrt -msselibm.
8800 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8801 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8802 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8805 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8808 * c-common.c (self_promoting_args_p): Skip erroneous args.
8811 * c-decl.c (finish_struct): Skip erroneous fields.
8813 2006-05-22 Nick Clifton <nickc@redhat.com>
8815 * config/cris/cris.opt (march): Remove VarExists attribute.
8816 (max-stackframe=): Likewise.
8818 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8820 * doc/rtl.texi: Fix a typo.
8821 * see.c: Fix comment typos.
8823 * tree-ssa-structalias.h (alias_info): Remove num_references.
8825 2006-05-21 Mike Stump <mrs@apple.com>
8827 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
8829 (darwin_pragma_options): Use BAD instead.
8830 (darwin_pragma_unused): Likewise.
8831 (darwin_pragma_ms_struct): Likewise.
8833 2006-05-21 David Edelsohn <edelsohn@gnu.org>
8835 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
8837 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
8839 PR rtl-optimization/27671
8840 * simplify-rtx.c (simplify_relational_operation_1): Fix
8841 simplifications of (eq/ne (xor x y) y) and
8842 (eq/ne (xor x y) x).
8844 PR tree-optimization/26622.
8845 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
8848 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8850 * tree-cfg.c: Prune whitespace.
8851 (debug_tree_cfg): Point to correct header containing the
8854 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8857 * cgraphunit.c (verify_cgraph_node): Typo in error message.
8859 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
8862 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
8863 or sorry count is non zero.
8865 2006-05-20 Andreas Schwab <schwab@suse.de>
8867 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
8869 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
8870 Kenneth Zadeck <zadeck@naturalbridge.com>
8872 PR rtl-optimization/26855
8874 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
8876 (df_scan_alloc): Added code to properly handle multiword hard
8877 registers and add all_blocks parameter.
8878 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
8879 code to properly handle multiword hard registers.
8880 (df_rescan_blocks): Added code to remove deleted blocks from
8882 (df_ref_create_structure, df_ref_record): Added code to properly
8884 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
8885 and set DF_REF_PARTIAL.
8886 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
8887 (df_uses_record): Added DF_REF_PARTIAL for subreg.
8888 (df_scan_add_problem): Added flags parameter.
8889 (df_ref_create_structure): Changed switching structure.
8890 (df_bb_refs_record): Fixed case where duplicate artificial refs
8891 were created. Changed location of flags.
8892 (df_record_entry_block_defs): Added code to make stack pointer
8893 live in entry block. Refined cases where frame pointer is needed.
8894 Changed location of flags.
8895 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
8896 (df_set_state): Removed function.
8897 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
8898 df_insn_create_insn_record, df_insn_refs_delete,
8899 df_ref_create_structure): Formatting changes.
8900 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
8901 df_delete_basic_block): New function.
8902 (df_init): Changed location of flags.
8903 (df_add_problem): Added flags parameter and the way flags are
8905 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
8906 debug_df_chain): Improved debugging output.
8907 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
8908 (df_refs_chain_dump): Removed df parameter.
8909 (df_iterative_dataflow): Added consistency check.
8910 (df_prune_to_subcfg): Made public.
8911 (df_analyze_problem): Added blocks_to_init parameter and made
8913 (df_ref_record, df_bb_refs_record, df_mark_reg,
8914 df_record_exit_block_uses): Whitespace changes.
8915 (df_dump): Whitespace changes.
8916 * df.h: Some reordering to remove forward references.
8917 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
8918 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
8919 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
8920 (dataflow.flags): New field.
8921 (df.flag): Deleted field.
8922 (df_alloc_function): Added additional bitmap parameter.
8923 (df_dependent_problem_function): New type.
8924 (df_problem.changeable_flags): New field.
8925 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
8926 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
8927 (df_mw_hardreg): New struct.
8928 (DF_INSN_UID_MWS): New macro.
8929 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
8931 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
8932 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
8933 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
8934 (df_set_state): Removed function.
8935 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
8936 * df-problems.c (df_chain_dump): Removed df parameter.
8937 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
8938 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
8940 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
8941 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
8942 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
8943 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
8944 DF_REF_MUST_CLOBBER cases.
8945 (df_ru_bb_local_compute_process_def,
8946 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
8947 df_lr_bb_local_compute, df_ur_bb_local_compute,
8948 df_chain_create_bb): Made subreg aware.
8949 (df_ru_bb_local_compute, df_rd_bb_local_compute,
8950 df_lr_bb_local_compute, df_lr_bb_local_compute,
8951 df_chain_create_bb): Cleanup to use proper macros.
8952 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
8953 code to fixup bitvectors.
8954 (df_ri_alloc): Cleared lifetime.
8955 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
8956 df_create_unused_note): New function.
8957 (df_ri_bb_compute, df_ri_compute): Added code to create/update
8958 REG_DEAD and REG_UNUSED notes as well as register information.
8959 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
8960 df_chains_dump): Fixed crash if problem was never run.
8961 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
8962 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
8963 df_ri_add_problem): Processes flags in uniform manner.
8964 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
8965 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
8966 df_rd_dump, df_urec_free_bb_info): Formatting changes.
8967 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
8968 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
8969 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
8970 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
8971 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
8972 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
8973 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
8974 * see.c (see_initialize_data): Ditto.
8975 * final.c (rest_of_clean_state) Added regstack_completed.
8976 * rtl.h (regstack_completed): Ditto.
8977 * reg-stack.c (regstack_completed): Ditto.
8979 2006-05-19 Mike Stump <mrs@apple.com>
8981 * c-tree.h (default_conversion): Remove.
8982 * c-common.h (default_conversion): Add.
8984 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
8986 * tree-vrp.c (valid_value_p): New function.
8987 (adjust_range_with_scev): Fail if the value of bound is not
8990 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8992 * config/mips/linux-unwind.h: Include <asm/unistd.h>
8993 (mips_fallback_frame_state): Use syscall numbers to determine
8994 the appropriate li instruction for the current ABI. Only use
8995 __NR_sigreturn for o32.
8997 2006-05-19 Nicolas Setton <setton@adacore.com>
8999 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
9000 * langhooks.c (lhd_dwarf_name): New function.
9001 * langhooks-def.h (lhd_dwarf_name): Declare.
9002 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
9003 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
9005 2006-05-19 Richard Sandiford <richard@codesourcery.com>
9007 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
9009 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
9010 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
9011 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
9012 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
9013 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
9014 determine the size of Wtype, etc.
9015 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
9016 (swfloatfuncs): New variable.
9017 (dwfloatfuncs): Likewise.
9018 (lib2funcs): Remove floating-point conversion functions from
9019 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
9020 the set of conversion routines needed. Allow entries to specify
9021 an object name, filename and word size. Update users accordingly.
9022 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
9023 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
9027 2006-02-08 Roger Sayle <roger@eyesopen.com>
9030 * config/fixtfdi.c: New libgcc source file.
9031 * config/fixunstfdi.c: New source file.
9032 * config/floatditf.c: New source file.
9033 * config/floatunditf.c: New souce file.
9034 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9035 files above instead of config/mips/_tilib.c.
9036 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9038 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9040 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
9041 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
9043 2006-05-18 Mike Stump <mrs@apple.com>
9045 Fix up vla, vm and [*] sematics.
9051 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
9052 (c_vla_unspec_p): Add.
9053 (c_vla_type_p): Add.
9054 * c-decl.c (struct c_scope): Add had_vla_unspec.
9055 (build_array_declarator): Add support for [*].
9056 (grokdeclarator): Likewise.
9057 (grokparms): Likewise.
9058 (get_parm_info): Likewise.
9059 * c-objc-common.c (c_vla_unspec_p): Likewise.
9060 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
9061 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
9062 typeof when argument is a variably modified type not inside sizeof or alignof.
9063 (c_parser_direct_declarator_inner): Propagate errors.
9064 (c_parser_sizeof_expression): Add support for [*].
9065 (c_parser_parms_declarator): Initialize had_vla_unspec.
9066 (c_parser_parms_list_declarator): Likewise.
9067 * c-typeck.c (c_vla_type_p): Add.
9068 (composite_type): Add support for vla compositing.
9069 (comptypes_internal): Add support for vla compatibility.
9070 (c_expr_sizeof_expr): Evaluate vla arguments.
9071 * tree.c (variably_modified_type_p): Update comment for [*].
9073 2006-05-18 Michael Matz <matz@suse.de>
9076 * config.host: Make assignments to host_xmake_file cumulative.
9077 * config.host (*-darwin*): Test $host, not $target.
9079 2006-05-12 Stuart Hastings <stuart@apple.com>
9081 * config/i386/i386.opt (-mstackrealign): New flag.
9082 * config/i386/i386.c (force_align_arg_pointer): New attribute.
9083 (ix86_handle_cconv_attribute): Emit error when
9084 force_align_arg_pointer attribute collides with too many regparms.
9085 (ix86_function_regparm): Limit regparms when used with
9086 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
9087 Support stack-realigning prologue in non-main functions. Emit
9088 warning for nested functions under -mstackrealign, emit error for
9089 nested functions with force_align_arg_pointer attribute.
9090 * doc/extend.texi (force_align_arg_pointer): Document it.
9091 * doc/invoke.texi (-mstackrealign): Document it.
9093 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
9095 PR rtl-optimization/27477
9096 * combine.c (try_combine): Don't split a parallel consisting
9097 of two sets into two individual sets if both sets reference
9100 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
9102 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
9103 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
9105 * doc/options.texi (VarExists): Updated.
9107 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9109 * unwind-dw2.c: Add declarations for uw_update_context and
9111 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
9112 detected, advance frame state and context once to skip over stub.
9114 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9118 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
9119 Call rewrite_into_loop_closed_ssa only when something changed.
9120 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
9121 * lambda-code.c (can_convert_to_perfect_nest): Declared.
9122 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
9123 Test for perfect_nest_p here. Fix formating.
9124 (replace_uses_equiv_to_x_with_y): Fix formating.
9125 (stmt_uses_op): Removed.
9126 (can_convert_to_perfect_nest): Removed loopivs parameter.
9127 Complete the test by checking the scalar dependences.
9128 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
9131 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9134 From Dan Kegel <dank@kegel.com>:
9135 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
9137 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
9139 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
9140 if the element type is variably modified without recursing.
9142 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9145 * tree-loop-linear.c (try_interchange_loops): Test for
9146 no data dependences.
9148 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
9150 PR tree-optimization/27548
9151 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
9152 range of ssa names that appear on abnormal edges.
9153 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
9154 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
9156 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9159 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
9161 2006-05-17 Jakub Jelinek <jakub@redhat.com>
9164 * tree.h (OMP_PARALLEL_COMBINED): Define.
9165 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
9166 (new_omp_context): Add is_combined_parallel argument.
9167 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
9168 new_omp_context caller.
9169 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
9170 Adjust gimplify_scan_omp_clauses callers.
9171 (omp_is_private): Issue errors if iteration variable is firstprivate
9172 or reduction in the current context.
9173 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
9174 on combined parallel workshare constructs.
9176 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9178 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
9179 (gcc-options.o): New rule.
9181 * optc-gen.awk: Protect variables for gcc-options.o with
9182 #ifdef GCC_DRIVER/#endif.
9184 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
9186 Fix PR tree-optimization/27373
9187 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
9188 (forward_propagate_addr_expr): Update call.
9190 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9192 * doc/options.texi: Move the Negative option.
9194 2006-05-16 Richard Guenther <rguenther@suse.de>
9196 PR tree-optimization/22303
9197 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
9199 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
9200 ccp_fold did not simplify the statement.
9202 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9205 * Makefile.in (GCC_OBJS): New.
9206 (OBJS-common): Add opts-common.o.
9207 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
9208 (cpp$(exeext)): Likewise.
9209 (gcc.o): Also depend on opts.h.
9210 (opts-common.o): New.
9212 * common.opt (gcoff): Add Negative(gdwarf-2).
9213 (gdwarf-2): Add Negative(gstabs).
9214 (gstabs): Add Negative(gstabs+).
9215 (gstabs+): Add Negative(gvms).
9216 (gvms): Add Negative(gxcoff).
9217 (gxcoff): Add Negative(gxcoff+).
9218 (gxcoff+): Add Negative(gcoff).
9219 * config/i386/i386.opt (m32): Add Negative(m64).
9220 (m64): Add Negative(m32).
9222 * doc/options.texi: Document the Negative option.
9224 * gcc.c: Include "opts.h".
9225 (main): Call prune_options after expandargv.
9227 * optc-gen.awk: Generate common declarations for all flag
9228 variables in options.c. Output the neg_index field.
9230 * opts.c (find_opt): Moved to ...
9231 * opts-common.c: Here. New file.
9233 * opts.h (cl_option): Add a neg_index field.
9235 (prune_options): Likewise.
9237 2006-05-16 Jakub Jelinek <jakub@redhat.com>
9240 * omp-low.c (expand_omp_parallel): Don't assert
9241 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
9242 instead search for it.
9245 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
9248 2006-05-16 Andreas Schwab <schwab@suse.de>
9250 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
9253 2006-05-15 Roger Sayle <roger@eyesopen.com>
9256 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
9257 integer constants other than zero are only legitimate on TARGET_64BIT.
9258 <CONST_VECTOR> Only zero vectors are legitimate.
9259 (ix86_cannot_force_const_mem): Integral and vector constants can
9260 always be put in the constant pool.
9262 2006-05-16 DJ Delorie <dj@redhat.com>
9264 * crtstuff.c (__dso_handle): Set section from
9265 TARGET_LBIGCC_SDATA_SECTION if defined.
9266 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
9267 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
9269 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
9272 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
9275 2006-05-16 Ben Elliston <bje@au.ibm.com>
9277 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
9279 2006-05-15 Per Bothner <per@bothner.com>
9281 * tree.c: (last_annotated_node): Use source_locus typedef.
9282 This permits bootstrapping with --enable-mapped-location.
9284 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
9286 PR tree-optimization/26830
9287 * tree-into-ssa.c (struct ssa_name_info): Add age field.
9288 (info_for_ssa_name, current_info_for_ssa_name_age,
9289 blocks_to_update): New variables.
9290 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
9291 (clear_ssa_name_info, initialize_flags_in_bb,
9292 mark_block_for_update): New functions.
9293 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
9294 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
9295 prepare_def_site_for): Use mark_block_for_update.
9296 (mark_def_interesting): Assert that the processed block is marked in
9297 blocks_to_update. Do not take blocks argument.
9298 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
9300 (rewrite_update_init_block, rewrite_update_stmt): Only process
9301 blocks with statements to rewrite.
9302 (delete_update_ssa): Do not clear SSA_NAME_AUX.
9303 (update_ssa): Initialize and free blocks_to_update. Do not
9304 clear flags on statements. Do not use blocks bitmap.
9305 * tree.h (SSA_NAME_AUX): Removed.
9306 (struct tree_ssa_name): Removed aux field.
9307 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
9309 2006-05-15 Richard Guenther <rguenther@suse.de>
9311 PR tree-optimization/27603
9312 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
9313 Do computations in original type.
9315 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
9317 * see.c: Code style changes such as redundant paranthesis,
9318 redundant intialization of local variables etc.
9319 (see_main): Declared now as static.
9320 * doc/invoke.texi: Update that -fsee is not enabled by
9323 2006-05-15 Jakub Jelinek <jakub@redhat.com>
9325 * omp-low.c (check_omp_nesting_restrictions): New function.
9326 (scan_omp_1): Call it.
9329 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
9330 construct, return *VAR.
9332 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
9334 PR rtl-optimization/27406
9335 * bt-load.c (migrate_btr_def): Skip the block having abnormal
9338 2006-05-14 Roger Sayle <roger@eyesopen.com>
9340 PR rtl-optimization/27538
9341 * combine.c (expand_compound_operation): Call gen_lowpart
9342 before calling simplify_shift_const.
9344 2006-05-14 Roger Sayle <roger@eyesopen.com>
9346 PR rtl-optimization/22563
9347 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
9348 a fixed width bitfield, always force the intermediates into psuedos.
9350 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
9353 * mkconfig.sh: Use operator = instead of == for test.
9355 2006-05-13 Nick Clifton <nickc@redhat.com>
9357 * dwarf2out.c (dbx_reg_number): Check return value from
9358 LEAF_REG_REMAP and only use it if it is valid.
9359 (multiple_reg_loc_descriptor): Likewise.
9361 2006-05-13 Richard Guenther <rguenther@suse.de>
9363 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
9366 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
9368 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
9369 information attached to non-INSNs such as NOTEs.
9370 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
9372 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
9374 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
9376 * config/s390/s390.md: Adjust comment describing On constraint.
9378 2006-05-11 Jan Hubicka <jh@suse.cz>
9380 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
9381 to be output at -O0.
9383 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9386 * fold-const.c (size_binop): Move sanity check for arguments to
9387 the beginning of the function.
9390 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
9393 2006-05-11 Richard Guenther <rguenther@suse.de>
9396 * fold-const.c (fold_unary): Handle intermediate conversion
9397 to a pointer type like intermediate conversion to an integer
9398 type in folding of (T1)(T2)var to var.
9399 Match the code to the comment in the final conversion for
9400 (T1)(T2)var to (T1)var regarding to type precision. Rather
9401 than disallow T1 being of pointer type, assert that both T1
9402 and var are of pointer type or not. Make sure not to fall
9403 over the frontends lazyness wrt array to pointer decay though.
9405 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
9407 * arm.c (arm_struct_value_rtx): Delete.
9408 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
9409 (arm_init_cumulative_args): Always initialize nregs to zero.
9411 2006-05-10 Richard Guenther <rguenther@suse.de>
9413 PR tree-optimization/27532
9414 * tree-object-size.c (plus_expr_object_size): Fix typo.
9416 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
9419 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
9420 ashrdi_const, ashrdi3): Use a scratch register.
9422 2006-05-10 Richard Guenther <rguenther@suse.de>
9424 PR tree-optimization/27302
9425 * fold-const.c (operand_equal_p): For two comparisons,
9426 try comparison of one comparison code swapped if that yields
9429 2006-05-10 Ben Elliston <bje@au.ibm.com>
9431 * tree-pretty-print.c (pretty_print_string): No need to handle
9432 '\0' as a special character.
9434 * tree.h: Include "hashtab.h".
9435 (iterative_hash_expr): Use hashval_t in its prototype.
9436 * Makefile.in (TREE_H): Add $(HASHTAB_H).
9438 2006-05-09 Steve Ellcey <sje@cup.hp.com>
9441 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
9442 (hppa*64*-*-hpux11*): Ditto.
9443 (hppa[12]*-*-hpux11*): Ditto.
9445 2006-05-09 David Edelsohn <edelsohn@gnu.org>
9448 * config/rs6000/aix41.h (TARGET_64BIT): Define.
9450 2006-05-09 Michael Matz <matz@suse.de>
9452 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
9453 host_extra_gcc_objs and host_xmake_file.
9454 (<*-*-linux*>): Don't overwrite host_xmake_file.
9455 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
9456 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
9457 (host_detect_local_cpu): Declare.
9458 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
9459 * config/i386/i386.c (override_options): Handle -mtune=native
9461 * config/i386/x-i386: New file.
9462 * config/i386/driver-i386.c: New file.
9463 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
9466 2006-05-09 Dirk Mueller <dmueller@suse.de>
9467 Richard Guenther <rguenther@suse.de>
9470 * fold-const.c (fold_read_from_constant_string): Relax check
9471 for matching types to matching modes.
9473 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
9475 PR rtl-optimization/27335
9476 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
9479 2006-05-08 Chao-ying Fu <fu@mips.com>
9480 Richard Sandiford <richard@codesourcery.com>
9482 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
9483 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
9484 * config/mips/mips.md (UNSPEC_SCC): New constant.
9485 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
9486 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
9487 (mips_emit_compare): Use it.
9488 (mips_expand_vcondv2sf): New function.
9490 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
9492 Fix PR tree-optimization/27093
9493 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
9494 renaming when they become not-used_alone.
9496 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9498 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
9499 relocation and relocation stubs.
9501 2006-05-08 Eric Christopher <echristo@apple.com>
9503 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
9506 2006-05-08 Jan Hubicka <jh@suse.cz>
9509 * cgraphunit.c (decide_is_function_needed): When not optimizing even
9510 unused static functions are needed.
9512 2006-05-08 Roger Sayle <roger@eyesopen.com>
9515 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9516 of a reg_equiv_constant if the result is a legitimate constant.
9518 2006-05-08 Uros Bizjak <uros@kss-loka.si>
9521 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
9522 standard 80387 constants, raise the cost to prevent
9523 compress_float_constant() to generate load from memory.
9525 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
9527 * config/arm/constraints.md (c): Fix a typo.
9529 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
9532 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
9535 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
9537 (_mm_mwait): Likewise.
9539 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
9541 (sse3_monitor): Make it 32bit only.
9542 (sse3_monitor64): New. 64bit monitor.
9544 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9547 * config/i386/i386.c (classify_argument): Skip fields with invalid
9550 2006-05-07 Richard Guenther <rguenther@suse.de>
9552 PR tree-optimization/27409
9553 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9554 Do not try to find zero-sized subvars.
9556 2006-05-07 Richard Guenther <rguenther@suse.de>
9558 PR tree-optimization/27136
9559 * tree-ssa-loop-niter.c (get_val_for): Correct function
9560 comment, assert requirements.
9561 (loop_niter_by_eval): Stop processing if the iterated
9562 value did not simplify.
9564 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
9566 * opts.c (flag_see): remove its setting at -O3.
9568 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
9570 * genpeep.c (main): Make insn-peep.c depend on flags.h.
9571 * arm/constraints.md: New file.
9572 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
9573 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
9574 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
9575 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
9576 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
9577 (EXTRA_MEMORY_CONSTRAINT): Likewise.
9578 * arm.md: Include constraints.md.
9579 (thumb_movsi_insn): Use satisfies_constraint_J.
9580 (movhi, movqi): Use satisfies_constraint_I.
9582 2006-04-29 Anatoly Sokolov <aesok@post.ru>
9584 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
9585 for atmeg a645 device.
9587 2006-05-06 Richard Guenther <rguenther@suse.de>
9589 PR tree-optimization/27151
9590 * tree-vect-transform.c (vectorizable_condition): Punt on
9591 values that have a different type than the condition.
9593 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
9596 * c-parser.c (c_parser_cast_expression): Only insert casts into
9597 hash table if pointer.
9598 * function.c (used_types_insert_helper): Rename from
9600 (used_types_insert): Call used_types_insert_helper.
9601 * function.h (used_types_insert): Accept only one argument.
9603 2006-05-05 David Edelsohn <edesohn@gnu.org>
9605 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
9606 scratch with output modifier.
9608 2006-05-04 David Edelsohn <edelsohn@gnu.org>
9611 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
9612 with output modifier.
9614 2006-05-04 Richard Sandiford <richard@codesourcery.com>
9617 * config/mips/mips.c (mips_symbolic_address_p): Return true
9618 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
9619 SYMBOL_GOTTPREL, and SYMBOL_TLS.
9621 2006-05-04 Richard Guenther <rguenther@suse.de>
9623 PR tree-optimization/14287
9624 PR tree-optimization/14844
9625 PR tree-optimization/19792
9626 PR tree-optimization/21608
9627 PR tree-optimization/27090
9628 * tree-ssa-pre.c (try_combine_conversion): New function.
9629 (compute_avail): After constructing the value-handle
9630 expression, use try_combine_conversion to combine NOP_EXPRs
9631 with previous value-handle expressions and use the result if it
9634 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
9636 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
9638 2006-05-04 Jan Hubicka <jh@suse.cz>
9641 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
9643 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
9645 * config/bfin/predicates.md (const01_rtx): Tell generator programs
9646 that this only matches CONST_INTs. All users changed to VOIDmode
9649 * config/bfin/bfin.c: Include "optabs.h".
9650 (bfin_rtx_costs): Some costs for vector operations, to allow combine
9652 (enum bfin_builtins): Add a number of fractional and vector builtins.
9653 (bfin_init_builtins): Likewise.
9654 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
9655 (safe_vector_operand, bfin_expand_binop_builtin,
9656 bfin_expand_unop_builtin): New functions.
9657 (bfin_expand_builtin): Handle the new builtins.
9658 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9661 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
9664 * Makefile.in (OBJS-common): Add see.o.
9665 (see.o): Add dependencies.
9666 * common.opt (fsee): New flag for the see optimization was added.
9667 * opts.c (flag_see): Initialized.
9668 * passes.c (init_optimization_passes, pass_see): New pass.
9669 * rtl.h (see_main): Declaration as extern.
9670 * timevar.def (TV_SEE): New.
9671 * tree-pass.h (pass_see): Declaration as extern.
9672 * invoke.texi (-fsee): Document.
9673 * recog.c (validate_simplify_insn): New function.
9674 * recog.h (validate_simplify_insn): Declaration as extern.
9675 * df-problems.c (df_chain_dump): Check for NULL.
9677 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
9678 Daniel Berlin <dberlin@dberlin.org>
9680 * cfgrtl.c (insert_insn_bb_end_new): New function.
9681 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
9683 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9685 * df.h (struct web_entry): Moved from web.c.
9686 (union_defs): Declaration as extern.
9687 (unionfind_root): Likewise.
9688 (unionfind_union): Likewise.
9689 * web.c (struct web_entry): Moved to df.h.
9690 (unionfind_root): Remove static declaration.
9691 (unionfind_union): Likewise.
9692 (union_defs): Likewise and generalize to use callback function.
9693 (web_main): Update arguments for union_defs function call.
9695 2006-05-04 Richard Guenther <rguenther@suse.de>
9697 PR tree-optimization/26447
9698 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
9699 produce SSA_NAME copies before the store stmt to avoid
9700 breaking exception handling.
9702 2006-05-04 Jakub Jelinek <jakub@redhat.com>
9705 * gimplify.c (omp_is_private): If var is shared in some outer context,
9706 return false instead of true. Stop searching on parallel context
9709 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
9712 * coverage.c: Use get_gcov_unsigned_t() instead of
9713 unsigned_type_node all over.
9715 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
9717 PR tree-optimization/27381
9718 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
9719 maintain the same immediate_use links.
9720 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
9721 node rather than segfaulting.
9723 2006-05-03 Jakub Jelinek <jakub@redhat.com>
9726 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
9727 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
9728 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
9730 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
9732 Fix PR tree-optimization/26626
9733 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
9735 * tree-ssa-operands.c (access_can_touch_variable): Allow
9736 typecasting through union pointers.
9738 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9741 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
9742 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
9743 to find if var will be a global variable even in the nested context.
9744 (omp_copy_decl): Only check for global variable at the end, it might
9745 be overridden in outer contexts.
9746 (scan_sharing_clauses): For global variables don't create a field.
9747 (lower_rec_input_clauses): Do nothing for global shared variables.
9748 Emit a barrier at the end of ILIST if there were any decls in both
9749 firstprivate and lastprivate clauses.
9750 (lower_send_clauses): Do nothing for global variables except for
9753 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
9755 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
9756 of the correct signedness is returned.
9758 2006-05-02 Jeff Law <law@redhat.com>
9760 PR tree-optimization/27364
9761 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
9762 multiply expressions.
9764 2006-05-02 Tom Tromey <tromey@redhat.com>
9766 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
9768 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
9771 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
9772 -mthumb -fPIC are used.
9774 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
9775 Joshua Kinard <kumba@gentoo.org>
9778 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
9779 with 64-bit pointers.
9781 2006-05-02 Paul Brook <paul@codesourcery.com>
9783 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
9785 (create_fix_barrier): Check that a suitable barrier location is
9787 (arm_reorg): Include ftmp->address in allowable range of addresses.
9789 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
9792 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
9795 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9798 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
9799 around RESULT_DECL for result passed by reference.
9800 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
9801 * omp-low.c (use_pointer_for_field): Don't look at
9802 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
9803 (scan_omp_1): Call remap_decl on RESULT_DECLs.
9804 (lower_rec_input_clauses): Don't allocate VLA memory for the second
9805 time or var for passing by reference for
9806 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
9807 TREE_ADDRESSABLE variables when passing by reference.
9809 * omp-low.c (dump_omp_region): Fix output formatting.
9812 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
9813 (expand_omp_parallel): Likewise.
9814 * tree-cfg.c (move_sese_region_to_fn): Likewise.
9817 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
9818 on statement list containing also constructors and destructors.
9819 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
9822 * except.c (duplicate_eh_regions): Fix clearing of
9823 cfun->eh->region_array entries.
9825 2006-05-01 DJ Delorie <dj@redhat.com>
9827 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
9829 (gcc_cv_objdump): Likewise.
9830 * configure: Regenerated.
9832 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
9835 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
9836 templates for case 3 and 4.
9838 2006-05-01 DJ Delorie <dj@redhat.com>
9840 * vec.c: Include bconfig.h when appropriate.
9841 * Makefile.in (build/vec.o): Adjust dependencies.
9842 * mkconfig.sh: Make sure config.h isn't used for build machine
9845 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9847 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
9849 (mark_phi_for_rewrite): New function.
9850 (insert_phi_nodes_for, mark_use_interesting): Call
9851 mark_phi_for_rewrite.
9852 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
9853 (update_ssa): Initialize and free phis_to_rewrite.
9855 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9857 PR rtl-optimization/27291
9858 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
9859 folded to a constant.
9861 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9863 PR tree-optimization/27283
9864 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
9865 not whole # of iteration descriptions.
9866 (niter_for_exit): Return just # of iterations. Fail if # of iterations
9867 uses abnormal ssa name.
9868 (niter_for_single_dom_exit): Ditto.
9869 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
9870 return just the number of iterations.
9872 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9874 PR tree-optimization/27144
9875 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
9876 (record_estimate): Only record constant upper bound.
9877 (infer_loop_bounds_from_undefined): Call
9878 compute_estimated_nb_iterations just once.
9879 (proved_non_wrapping_p): Renamed to ...
9880 (n_of_executions_at_most): ... this. Expect bound to be a constant.
9881 (convert_step_widening, scev_probably_wraps_p): Call
9882 n_of_executions_at_most instead of proved_non_wrapping_p.
9883 (substitute_in_loop_info): Do not replace values in bounds.
9884 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
9887 2006-05-01 Richard Henderson <rth@redhat.com>
9890 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
9891 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
9894 2006-05-01 Roger Sayle <roger@eyesopen.com>
9896 * c-typeck.c (parser_build_binary_op): Don't call the function
9897 unsigned_conversion_warning to spot operand/result type overflow.
9898 (build_binary_op): Instead, call convert_and_check instead of
9899 convert to report the problem when the operands are promoted.
9900 * c-common.c (unsigned_conversion_warning): Make static.
9901 * c-common.h (unsigned_conversion_warning): Delete prototype.
9903 2006-05-01 Richard Guenther <rguenther@suse.de>
9905 PR tree-optimization/26726
9906 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
9908 (find_interesting_uses_address): ... we work around here
9909 by folding INDIRECT_REFs in the substituted base.
9911 2006-05-01 Diego Novillo <dnovillo@redhat.com>
9913 * omp-low.c (dump_omp_region): Add newlines.
9915 2006-04-30 Roger Sayle <roger@eyesopen.com>
9917 * common.opt (Woverflow): New command line option.
9918 * c-common.c (constant_expression_warning): Check warn_overflow.
9919 (overflow_waring): Pass OPT_Woverflow to warning.
9920 (unsigned_conversion_warning): Likewise.
9921 (convert_and_check): Likewise.
9922 * doc/invoke.texi: Document new command line option.
9924 2006-04-30 David Edelsohn <edelsohn@gnu.org>
9926 * config/rs6000/rs6000.c (rs6000_override_options): Enable
9927 TARGET_NO_FP_IN_TOC for section anchors.
9928 (optimization_options): Enable section anchors for all
9929 non-"Objective" languages.
9931 2006-04-28 Eric Christopher <echristo@apple.com>
9933 * config/darwin-c.c (darwin_ms_struct): Move this
9934 (darwin_set_default_type_attributes): and this...
9935 * config/darwin.c: ... here.
9936 * config/darwin.h (darwin_ms_struct): Declare.
9938 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
9940 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
9942 2006-04-28 Roger Sayle <roger@eyesopen.com>
9945 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
9946 (push_array_bounds): Delete prototype. Change BOUNDS argument to
9947 an unsigned HOST_WIDE_INT.
9948 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
9950 (really_start_incremental_init): No need to call convert because
9951 bitsize_zero_node is already of type bitsizetype.
9952 (push_init_level): Extract the value of constructor_index as an
9953 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
9954 (process_init_element): Likewise.
9956 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
9958 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
9959 value before passing to make_relative_prefix.
9961 2006-04-28 Alan Modra <amodra@bigpond.net.au>
9964 * builtins.c (expand_builtin_memset): Expand val in original mode.
9966 2006-04-27 Eric Christopher <echristo@apple.com>
9968 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
9969 with #ifndef/#endif.
9970 * config/darwin-c.c (darwin_ms_struct): New.
9971 (darwin_pragma_ms_struct): Ditto.
9972 (darwin_set_default_type_attributes): Ditto.
9973 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
9974 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
9975 Register ms_struct pragma.
9976 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
9977 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
9978 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
9979 darwin_set_default_type_attributes if TARGET_MACHO.
9981 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
9983 PR tree-optimization/26854
9984 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
9985 * doc/tree-ssa.texi: Update immuse iterator documentation.
9986 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
9987 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
9988 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
9989 first_safe_imm_use, next_safe_imm_use): Remove.
9990 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
9991 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
9992 (move_use_after_head): New. Helper function to sort immuses in a stmt.
9993 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
9994 (first_imm_use_stmt): New. Get first stmt in an immuse list.
9995 (next_imm_use_stmt): New. Get next stmt in an immuse list.
9996 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
9997 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
9998 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
9999 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
10000 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
10001 (perfect_nestify): Use new iterator.
10002 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
10004 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
10005 (next_imm_name): New field in struct immediate_use_iterator_d.
10006 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
10007 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
10008 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
10009 * tree-cfg.c (replace_uses_by): Use new iterator.
10010 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
10011 * tree-ssa-operands.c (correct_use_link): Remove.
10012 (finalize_ssa_use_ops): No longer call correct_use_link.
10014 2006-04-27 Stuart Hastings <stuart@apple.com>
10016 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
10017 * config/t-darwin (crt3.o): Use it.
10018 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
10019 'pmode', use Pmode instead of SImode for SYMBOL_REF.
10020 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
10021 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
10022 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
10025 2006-04-27 Roger Sayle <roger@eyesopen.com>
10027 * expmed.c (store_fixed_bit_field): If we're not optimizing for
10028 size, force the intermediate into a new pseudo rather instead of
10029 performing both a bitwise AND and a bitwise IOR in memory.
10031 2006-04-27 Richard Guenther <rguenther@suse.de>
10033 PR rtl-optimization/26685
10034 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
10035 this one "max-flow-memory-locations".
10037 2006-04-27 Richard Guenther <rguenther@suse.de>
10039 PR tree-optimization/25148
10040 * tree-vrp.c (compare_values): Remove code dealing with
10041 comparisons against type min/max value. Honour overflow
10042 and negative constants in code dealing with comparisons
10043 of plus and minus expressions.
10044 (value_inside_range): Use fold_binary with LE_EXPR and
10045 GE_EXPR rather than compare_values.
10047 2006-04-27 Dirk Mueller <dmueller@suse.de>
10049 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
10052 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
10054 * basic-block.h (safe_insert_insn_on_edge): Removed.
10055 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
10057 2006-04-26 David Edelsohn <edelsohn@gnu.org>
10058 Paolo Bonzini <bonzini@gnu.org>
10060 PR middle-end/27282
10061 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
10062 (simplify_and_const_int): Same.
10064 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
10066 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
10068 2006-04-26 Jakub Jelinek <jakub@redhat.com>
10071 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
10072 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
10073 cgraph_global_info_ready.
10075 PR middle-end/26913
10076 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
10079 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
10080 either decl or init is error_mark_node.
10082 PR middle-end/25989
10083 * tree-flow.h (struct omp_region): Add sched_kind.
10084 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
10085 instead of extracting omp for data.
10086 (expand_omp_for): Save extracted sched_kind.
10088 2006-04-25 Roger Sayle <roger@eyesopen.com>
10090 * expmed.c (store_bit_field): Also check whether the bitsize is
10091 valid for the machine's "insv" instruction before moving the
10092 target into a pseudo for use with the insv.
10093 * config/i386/predicates.md (const8_operand): New predicate.
10094 * config/i386/i386.md (extv, extzv, insv): Use the new
10095 const8_operand predicate where appropriate.
10097 2006-04-25 DJ Delorie <dj@redhat.com>
10099 * doc/install.texi (Specific): Clarify that this is not a list of
10100 supported hosts or targets.
10102 2006-04-25 Richard Sandiford <richard@codesourcery.com>
10104 PR rtl-optimization/26725
10105 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
10106 block's BB_DIRTY flag.
10108 2006-04-25 Geoffrey Keating <geoffk@apple.com>
10110 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
10113 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
10114 to print an integer.
10116 2006-04-25 David Edelsohn <edelsohn@gnu.org>
10118 * varasm.c (align_variable): New function.
10119 (get_block_for_decl): Apply align_variable to DECL before
10120 calculating section information.
10121 (assemble_variable): Split out alignment computation.
10123 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
10125 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
10128 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
10130 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
10131 MODE_PARTIAL_INT mode.
10132 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
10133 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
10135 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
10136 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
10138 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
10140 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
10142 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
10143 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
10144 MACFLAG_IH): Likewise.
10145 (movstricthi_1): Renamed from "*movstricthi".
10146 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
10147 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
10148 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
10149 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
10150 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
10151 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
10152 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
10153 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
10154 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
10155 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
10156 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
10157 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
10158 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
10159 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
10160 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
10162 * doc/rtl.texi (ss_ashift): Improve wording.
10164 2006-04-24 Geoffrey Keating <geoffk@apple.com>
10166 * dwarf2out.c (verify_marks_clear): New.
10167 (prune_unused_types): Call verify_marks_clear initially, not
10170 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
10172 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
10173 * doc/rtl.texi: Document them.
10174 * simplify-rtx.c (simplify_unary_operation,
10175 simplify_binary_operation_1): Don't abort when we see them.
10177 2006-04-24 Mark Mitchell <mark@codesourcery.com>
10180 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10181 * configure.ac: Completely disregard languages that are not
10183 * configure: Regenerated.
10185 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10186 Richard Guenther <rguenther@suse.de>
10188 PR tree-optimization/27236
10189 * tree-inline.c (copy_body_r): Make sure to copy
10190 TREE_THIS_VOLATILE flag.
10192 2006-04-24 Richard Guenther <rguenther@suse.de>
10194 PR middle-end/26869
10195 * tree-complex.c (update_parameter_components): Don't handle
10196 unused parameters which have no default def.
10198 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10199 Richard Guenther <rguenther@suse.de>
10201 PR tree-optimization/27218
10202 * tree-inline.c (expand_call_inline): Strip useless type
10203 conversions for the return slot address.
10205 2006-04-24 Richard Guenther <rguenther@suse.de>
10207 * cfgloop.h (struct loops): Remove unused field array. Reorder
10209 (LOOP_PREFETCH): Remove.
10211 2006-04-24 Richard Guenther <rguenther@suse.de>
10213 PR tree-optimization/22525
10214 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
10215 variable, adjust types of generated expressions.
10217 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
10219 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
10220 (tree-vect-patterns.o): Likewise.
10221 (jump.o): Likewise.
10222 (cselib.o): Likewise.
10223 (loop-doloop.o): Likewise.
10224 (regclass.o): Likewise.
10225 (reload1.o): Likewise.
10226 (explow.o): Replace target.h with $(TARGET_H).
10227 (ipa-prop.o): Likewise.
10228 (ipa-cp.o): Likewise.
10229 (ipa-inline.o): Likewise.
10230 (reorg.o): Likewise.
10231 (reg-stack.o): Likewise.
10233 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10235 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
10237 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10239 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
10241 * configure.ac: Completely disregard languages that are not
10243 * configure: Regenerated.
10246 * c-common.h (c_build_bitfield_integer_type): Declare.
10247 * c-decl.c (c_build_bitfield_integer_type): Move to ...
10248 * c-common.c (c_build_bitfield_integer_type): ... here.
10250 2006-04-23 Roger Sayle <roger@eyesopen.com>
10253 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
10254 a SImode SUBREG of a floating point register after no_new_pseudos.
10256 2006-04-23 Roger Sayle <roger@eyesopen.com>
10258 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
10259 identify potentially eliminable registers to additionally catch
10260 VIRTUAL_INCOMING_ARGS_REGNUM.
10261 (addsi3): Update the conditions on when to use addsi_small_int.
10263 2006-04-23 Roger Sayle <roger@eyesopen.com>
10266 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
10267 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
10268 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
10270 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10272 * fold-const.c (range_predecessor): Use operand_equal_p
10273 as the predicate for equality.
10274 (range_successor): Likewise.
10276 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10279 * config/soft-fp/op-common.h: Fix a typo.
10281 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
10283 PR libmudflap/26864
10284 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
10285 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
10287 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10289 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
10291 * doc/tm.texi: Fix a typo.
10293 2006-04-21 Geoffrey Keating <geoffk@apple.com>
10295 * dwarf2out.c (struct die_struct): Document that die_sib makes
10296 a circular linked list.
10297 (FOR_EACH_CHILD): New.
10298 (reverse_die_lists): Delete.
10299 (reverse_all_dies): Delete.
10300 (add_dwarf_attr): Correct documentation.
10301 (remove_child_with_prev): New.
10302 (remove_child_TAG): Update for change to die_struct, use
10303 remove_child_with_prev.
10304 (add_child_die): Update for change to die_struct.
10305 (splice_child_die): Use remove_child_with_prev and add_child_die.
10306 (print_die): Use FOR_EACH_CHILD.
10307 (die_checksum): Likewise.
10308 (assign_symbol_names): Likewise.
10309 (output_location_lists): Likewise.
10310 (build_abbrev_table): Likewise.
10311 (calc_die_sizes): Likewise.
10312 (mark_dies): Likewise.
10313 (unmark_dies): Likewise.
10314 (unmark_all_dies): Likewise.
10315 (output_die): Likewise.
10316 (prune_unused_types_mark): Likewise.
10317 (prune_unused_types_walk): Likewise.
10318 (same_die_p): Update for change to die_struct.
10319 (break_out_includes): Likewise.
10320 (prune_unused_types_prune): Likewise.
10321 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
10322 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
10323 it's already clear.
10324 (dwarf2out_finish): Don't call reverse_all_dies.
10326 2006-04-21 Eric Christopher <echristo@apple.com>
10328 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
10329 in comments and function names.
10331 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10334 * c-typeck.c (digest_init): Robustify.
10336 * c-typeck.c (pop_init_level): Simplify.
10338 2006-04-21 Steve Ellcey <sje@cup.hp.com>
10340 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
10342 2006-04-21 Paul Brook <paul@codesourcery.com>
10344 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
10345 hardware floating point.
10347 2006-04-21 David Edelsohn <edelsohn@gnu.org>
10349 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
10352 2006-04-21 Nick Clifton <nickc@redhat.com>
10354 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
10357 2006-04-21 Alan Modra <amodra@bigpond.net.au>
10360 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
10361 C++ lang type in traceback table for Objective-C++.
10363 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
10365 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
10367 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
10369 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10372 * tree-mudflap.c (mudflap_finish_file): Skip function when there
10373 were errors. Remove check for erroneous objects.
10375 2006-04-20 Jeff Law <law@redhat.com>
10377 PR tree-optimization/26854
10378 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
10379 checking for zero or one use.
10380 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
10381 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
10382 * tree-ssa-reassoc.c (negate_value): Similarly.
10383 (reassociate_bb): Similarly.
10385 2006-04-20 Jakub Jelinek <jakub@redhat.com>
10387 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
10388 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
10389 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
10391 2006-04-20 Alan Modra <amodra@bigpond.net.au>
10393 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
10394 fp regs if the last fp arg doesn't fit in regs.
10396 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
10399 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
10400 that the last insn has the REG_INC note.
10402 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
10403 Nathan Sidwell <nathan@codesourcery.com>
10406 * stor-layout.c (update_alignment_for_field): Do not align
10408 (place_union_field): Place union field at the start of the union.
10409 (place_field): Move ERROR_MARK check later, and use the current
10410 allocation position to maintain monotonicity.
10412 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
10414 * dominance.c: Include timevar.h.
10415 (calculate_dominance_info): Use TV_DOMINANCE.
10416 * timevar.def (TV_DOMINANCE): New timevar.
10417 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
10419 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10421 PR rtl-optimization/14261
10422 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
10423 move would be an INSV insn.
10424 (noce_process_if_block): Don't optimize if the destination is a
10425 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
10427 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10429 * config/s390/s390.md: Add comments with the instructions emitted
10430 by an insn pattern if macros are used.
10432 2006-04-19 Alan Modra <amodra@bigpond.net.au>
10434 PR rtl-optimization/26026
10435 * fold-const.c (fold_binary): Optimize div and mod where the divisor
10436 is a known power of two shifted left a variable amount.
10438 2006-04-18 Geoffrey Keating <geoffk@apple.com>
10440 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
10441 to hash table twice when the debug_str section has SECTION_MERGE.
10443 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
10445 * config/soft-fp: New directory. From glibc.
10446 * config/soft-fp/t-softfp: New.
10447 * config/soft-fp/README: New.
10448 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
10449 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
10450 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
10451 (LIBGCC_DEPS): Add $(SFP_MACHINE).
10452 * config.gcc: Use rs6000/t-fprules-fpbit or
10453 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
10455 * config/rs6000/sfp-machine.h: New. Based on glibc.
10456 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
10458 * config/rs6000/t-fprules: Remove fp-bit rules.
10459 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
10460 * config/rs6000/t-linux64: Likewise. Remove duplicates from
10461 LIB2FUNCS_EXTRA. Remove fp-bit rules.
10462 (softfp_wrap_start, softfp_wrap_end): New.
10464 2006-04-18 DJ Delorie <dj@redhat.com>
10466 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
10468 2006-04-18 Devang Patel <dpatel@apple.com>
10470 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
10472 2006-04-18 Nick Clifton <nickc@redhat.com>
10474 * config/sh/t-symbian: Add rule to build sh-c.o
10475 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
10476 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
10477 (sh_symbian_encode_section_info): Likewise.
10479 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
10481 * builtins.c (expand_builtin_strcmp): Cover label definition of
10482 do_libcall with HAVE_cmpstrnsi.
10484 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
10486 * function.c (temp_slots_at_level, max_slot_level): Use VEC
10488 * function.h (temp_slot_p): New.
10489 (function): Change the type of x_used_temp_slots to
10490 VEC(temp_slot_p,gc) *.
10492 2006-04-18 Nick Clifton <nickc@redhat.com>
10494 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
10495 flag_strength_reduce.
10497 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
10499 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10503 Partial revert of revision 112637
10504 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10505 Dale Johannesen <dalej@apple.com>
10508 * regclass.c (struct reg_pref): Update documentation.
10509 (regclass): Set prefclass to NO_REGS if memory is the best option.
10510 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10512 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10514 PR tree-optimization/26821
10515 * tree-ssa-math-opts.c (get_constant_one): New.
10516 (insert_reciprocals): Use it.
10518 2006-04-17 Geoffrey Keating <geoffk@apple.com>
10520 * dwarf2out.c (free_AT): Delete.
10521 (remove_AT): Update string ref counts.
10522 (remove_child_TAG): Don't call free_die.
10523 (free_die): Delete.
10524 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
10525 or DW_TAG_GNU_EINCL.
10526 (prune_unused_types_walk_attribs): Reset string refcounts.
10527 (prune_unused_types_update_strings): New.
10528 (prune_unused_types_prune): Don't make unnecessary stores. Don't
10529 call free_die. Do call prune_unused_types_update_strings.
10530 (prune_unused_types): Empty debug_str_hash.
10532 2006-04-17 Roger Sayle <roger@eyesopen.com>
10534 * expr.c (expand_assignment): Optimize away no-op moves where the
10535 source and destination are equal and have no side-effects.
10537 2006-04-17 Richard Guenther <rguenther@suse.de>
10540 * reload.c (push_reload): Guard calls to get_secondary_mem
10541 for memory subregs.
10543 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
10545 * alias.c (reg_base_value, old_reg_base_value): Change the
10546 type to VEC(rtx,gc) *.
10547 (REG_BASE_VALUE, find_base_value, record_set,
10548 init_alias_analysis): Use VEC instead of VARRAY.
10550 * alias.c (alias_sets): Change the type to
10551 VEC(alias_set_entry,gc) *.
10552 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
10553 VEC instead of VARRAY.
10554 (last_alias_set): Remove.
10556 * cgraph.h (cgraph_edge_p): New.
10557 Update the prototype of cgraph_function_versioning.
10558 * cgraphunit.c (cgraph_copy_node_for_versioning,
10559 cgraph_function_versioning): Use VEC instead of VARRAY.
10560 * ipa-cp.c (ipcp_insert_stage): Likewise.
10562 2006-04-16 Roger Sayle <roger@eyesopen.com>
10565 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
10566 "A op B" or "A op C", we may need to convert A to the type of B and C.
10568 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
10570 * target.h (struct gcc_target): Add mode_rep_extended.
10571 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
10572 (init_num_sign_bit_copies_in_rep): Initialize it using
10574 (truncate_to_mode): Use it.
10575 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
10576 * targhooks.h (default_mode_rep_extended): Declare it.
10577 * targhooks.c (default_mode_rep_extended): Define it.
10578 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
10579 default_mode_rep_extended.
10580 (TARGET_INITIALIZER): Include it.
10581 * doc/tm.texi (Misc): Document it.
10582 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
10583 (mips_truncated_to_mode): New function.
10585 2006-04-16 Roger Sayle <roger@eyesopen.com>
10587 PR middle-end/25474
10588 * expr.c (compress_float_constant): Copy the narrow constant into
10589 a new pseudo before extending it to its final width.
10591 2006-04-16 Roger Sayle <roger@eyesopen.com>
10592 Andrew Pinski <pinskia@gcc.gnu.org>
10593 Dale Johannesen <dalej@apple.com>
10596 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
10597 special case code to implement V8HImode and V16QImode with SSE2.
10599 2006-04-15 Roger Sayle <roger@eyesopen.com>
10601 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
10602 trees are constructed with a suitable tree type.
10604 2006-04-15 Roger Sayle <roger@eyesopen.com>
10606 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
10607 (integer_onep): Likewise.
10608 (integer_all_onesp): Likewise.
10609 (integer_pow2p): Likewise.
10610 (integer_nonzerop): Likewise.
10611 (real_zerop): Likewise.
10612 (real_onep): Likewise.
10613 (real_twop): Likewise.
10614 (real_minus_onep): Likewise.
10615 (int_size_in_bytes): Likewise.
10616 (host_integerp): Likewise.
10618 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
10620 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
10621 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
10622 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
10624 * tree-ssa-structalias.h (alias_info): Remove num_references.
10626 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10628 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
10629 (output_bvb patterns): Likewise.
10630 * pa.c (output_bb): Use 'bb' insn for long branch case.
10631 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
10632 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
10633 1. Correct length operand for alternatives 1 and 2.
10634 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
10635 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
10637 2006-04-14 Roger Sayle <roger@eyesopen.com>
10639 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
10640 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
10641 were accidentally reverted by r112959.
10643 2006-04-15 Jakub Jelinek <jakub@redhat.com>
10645 PR middle-end/26823
10646 * except.h (eh_region_outermost): New prototype.
10647 * except.c (eh_region_outermost): New function.
10648 * tree-cfg.c (find_outermost_region_in_block): Use it.
10650 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10652 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
10654 * reload1.c (reg_equiv_memory_loc_varray): Rename to
10655 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
10656 (init_reload, reload): Use VEC instead of VARRAY.
10657 * reload.h: Update the prototype for
10658 reg_equiv_memory_loc_varray.
10660 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
10661 Eric Botcazou <ebotcazou@libertysurf.fr>
10663 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
10664 register save area.
10666 2005-04-13 Uros Bizjak <uros@kss-loka.si>
10668 PR middle-end/27134
10669 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
10670 to expand fallback builtin function call.
10672 2006-04-14 Alan Modra <amodra@bigpond.net.au>
10674 PR middle-end/27095
10675 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
10676 and emit libcall here in case the builtin fails.
10677 (expand_builtin_strcmp): Always emit the libcall here on failure.
10679 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10681 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
10682 * flow.c (reg_n_info): Change the type to
10683 VEC(reg_info_p,heap) *.
10684 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
10686 * regs.h (reg_info_p): New.
10687 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
10688 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
10689 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
10692 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
10694 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
10696 * params.h (MAX_SCHED_READY_INSNS): New macro.
10697 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
10698 past MAX_SCHED_READY_INSNS during the first scheduling pass.
10699 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
10700 the ready list for 1 cycle during the first scheduling pass.
10701 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
10703 2006-04-13 Richard Henderson <rth@redhat.com>
10706 * gimple-low.c (lower_omp_directive): Remove dead code.
10707 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
10708 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
10709 * omp-low.c (struct omp_region): Move to tree-flow.h.
10710 (root_omp_region): Export.
10711 (omp_regions, lookup_omp_region): Remove.
10712 (determine_parallel_type): Update for struct omp_region changes.
10713 (dump_omp_region): Dump regions with block numbers.
10714 (new_omp_region): Take type and block instead of stmt; malloc
10716 (free_omp_region_1, free_omp_regions): New.
10717 (expand_parallel_call): Take entry_stmt as argument; update for
10718 changes to omp_region.
10719 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
10720 (remove_exit_barriers): New.
10721 (expand_omp_parallel): Update for struct omp_region changes.
10722 (expand_omp_synch): Likewise.
10723 (expand_omp): Likewise.
10724 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
10725 (expand_omp_for_static_chunk): Likewise.
10726 (expand_omp_for): Likewise.
10727 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
10728 (expand_omp_sections): Similarly, with GOMP_sections_end.
10729 (expand_omp_single): New.
10730 (build_omp_regions_1): Update for OMP_CONTINUE.
10731 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
10732 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
10733 OMP_SECTIONS_SECTIONS.
10734 (lower_omp_single_simple): Don't emit barrier here.
10735 (lower_omp_single_copy): Likewise.
10736 (lower_omp_single): Fix bindings, and lower to straightline now.
10737 (lower_omp_master, lower_omp_ordered): Likewise.
10738 (lower_omp_critical): Likewise.
10739 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
10740 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
10741 omp edges, free it afterward.
10742 (make_omp_sections_edges): Remove.
10743 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
10744 (move_stmt_r): Handle OMP_CONTINUE.
10745 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
10746 statement pointers to basic blocks. Add type member.
10747 (root_omp_region, new_omp_region, free_omp_regions): Declare.
10748 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
10749 * tree-inline.c (estimate_num_insns_1): Likewise.
10750 * tree-pretty-print.c (dump_generic_node): Likewise.
10751 * tree-ssa-operands.c (get_expr_operands): Likewise.
10752 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
10753 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
10754 (OMP_CONTINUE): New.
10755 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
10756 (OMP_SECTIONS_SECTIONS): Remove.
10757 (OMP_SECTION_LAST): New.
10758 (OMP_RETURN_NOWAIT): New.
10760 2006-04-13 Roger Sayle <roger@eyesopen.com>
10762 * fold-const.c (native_encode_vector, native_interpret_real):
10763 Correct obvious mistakes in the previous check-in.
10765 2006-04-13 Roger Sayle <roger@eyesopen.com>
10767 * fold-const.c (native_encode_expr): New function to encode
10768 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
10769 or VECTOR_CST into a specified buffer.
10770 (native_encode_int): New function.
10771 (native_encode_real): New function.
10772 (native_encode_complex): New function.
10773 (native_encode_vector): New function.
10774 (native_interpret_expr): Inverse of native_encode_expr to convert
10775 a target representation into an INTEGER_CST, REAL_CST etc...
10776 (native_interpret_int): New function.
10777 (native_interpret_real): New function.
10778 (native_interpret_complex): New function.
10779 (native_interpret_vector): New function.
10780 (fold_view_convert_expr): New function to constant fold/evaluate
10781 a VIEW_CONVERT_EXPR of a suitable constant expression.
10782 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
10783 Change call of build1 to fold_build1 when constructing a
10786 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
10787 Ulrich Weigand <uweigand@de.ibm.com>
10790 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
10793 2006-04-13 Alan Modra <amodra@bigpond.net.au>
10796 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
10797 optimize to lo_sum for DFmode if !TARGET_FPRS.
10799 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10801 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
10802 delete_alias_info, compute_flow_sensitive_aliasing,
10803 group_aliases): Use VEC instead of VARRAY.
10804 * tree-ssa-structalias.c (update_alias_info): Likewise.
10805 * tree-ssa-structalias.h (alias_info): Change the type of
10806 processed_ptrs to VEC(tree,heap) *.
10808 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
10811 * config/sh/lib1funcs.h: New file, broken out of:
10812 * config/sh/lib1funcs.asm.
10813 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
10815 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
10816 * config/sh/lib1funcs-Os-4-200.asm: New file.
10817 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
10818 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
10819 (EXTRA_MULTILIB_PARTS): Include it.
10820 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
10821 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
10822 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
10823 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
10826 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10828 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
10829 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
10830 tpa_compact, root_var_init, type_var_init): Use VEC instead of
10832 * tree-ssa-live.h: Include vecprim.h.
10833 (tree_partition_associator_d): Change the type of
10834 first_partition to VEC(int,heap) *.
10835 (tpa_first_partition): Use VEC instead of VARRAY.
10837 * Makefile.in (GTFILES): Move functions.h after tree.h.
10838 * function.c (reset_block_changes, record_block_change,
10839 check_block_change, free_block_changes): Use VEC instead of
10841 * function.h (function): Change the type of
10842 ib_boundaries_block to VEC(tree,gc) *.
10843 * tree-inline.c (copy_cfg_body): Initialize
10844 ib_boundaries_block to NULL instead of (varray_type) 0.
10846 2006-04-12 Roger Sayle <roger@eyesopen.com>
10848 * expr.c (emit_group_store): Correct operand order in call to
10849 subreg_lowpart_offset. Always create paradoxical SUBREGs with
10850 a SUBREG_BYTE of zero.
10852 2006-04-12 Richard Guenther <rguenther@suse.de>
10854 * profile.c (compute_branch_probabilities): Remove code
10855 encapsulated in !ir_type (), which are remanents of the
10856 removed RTL profiling code.
10857 * rtl-profile.c: Remove.
10859 2006-04-12 Alan Modra <amodra@bigpond.net.au>
10861 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
10862 magic NULL_RTX comment.
10863 (function_arg): Store entire fp arg to mem if any part should go
10865 (rs6000_arg_partial_bytes): Adjust for above change.
10867 2006-04-11 Roger Sayle <roger@eyesopen.com>
10869 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
10870 if it hasn't been initialized by dwarf2out_init.
10872 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
10874 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
10875 symbolic constants in branch patterns.
10877 2006-04-11 Roger Sayle <roger@eyesopen.com>
10879 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
10881 2006-04-11 Richard Sandiford <richard@codesourcery.com>
10883 PR rtl-optimization/27073
10884 * gcse.c (try_replace_reg): Revert last change. Continue to search
10885 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
10888 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
10890 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
10891 aggregate types other than record and union types.
10892 (function_arg): Likewise.
10893 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
10895 (function_value): In 64-bit mode, return objects that require it
10898 2006-04-11 Roger Sayle <roger@eyesopen.com>
10900 * dwarf2out.c (premark_used_types): Remove problematic prototype.
10902 2006-04-11 Jakub Jelinek <jakub@redhat.com>
10904 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
10906 2006-04-03 Jeff Law <law@redhat.com>
10909 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
10910 alias information too.
10912 2006-04-10 Mike Frysinger <vapier@gentoo.org>
10914 * Makefile.in (gcc-cross): Add $(exeext) to target name.
10916 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
10919 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
10920 (premark_used_types_helper): New.
10921 (premark_used_types): New.
10922 (gen_subprogram_die): Call premark_used_types.
10923 (prune_unused_types_walk): Do not prune perennial dies.
10924 * function.c (used_types_insert): New.
10925 * function.h (struct function): Add used_types_hash field.
10926 (used_types_insert): Add prototype.
10927 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
10928 * c-parser.c (c_parser_cast_expression): Save casted types in used
10931 2006-04-11 Mark Mitchell <mark@codesourcery.com>
10934 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
10935 rs6000_explicit_options.float_gprs.
10937 2006-04-10 Roger Sayle <roger@eyesopen.com>
10939 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
10940 from ix86_expand_vector_init_low_nonzero. Take an additional
10941 one_var argument indicating which element is non-zero. Support
10942 one_var != 0 for V4SFmode and V4SImode by permuting the result.
10943 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
10944 with one_var instead of ix86_expand_vector_init_low_nonzero.
10946 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
10948 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
10949 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
10950 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
10951 build/genextract.o): Depend on vecprim.h.
10952 * cfglayout.c, df-problems.c, function.c, genextract.c,
10953 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
10954 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
10958 2006-04-10 Geoffrey Keating <geoffk@apple.com>
10960 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
10961 Declare VECs of this type.
10962 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
10963 (remove_children): Delete.
10964 (add_dwarf_attr): Use VEC routines.
10965 (add_AT_flag): Update for changes to add_dwarf_attr.
10966 (add_AT_int): Likewise.
10967 (add_AT_unsigned): Likewise.
10968 (add_AT_long_long): Likewise.
10969 (add_AT_vec): Likewise.
10970 (add_AT_string): Likewise.
10971 (add_AT_die_ref): Likewise.
10972 (add_AT_fde_ref): Likewise.
10973 (add_AT_loc): Likewise.
10974 (add_AT_loc_list): Likewise.
10975 (add_AT_addr): Likewise.
10976 (add_AT_lbl_id): Likewise.
10977 (add_AT_lineptr): Likewise.
10978 (add_AT_macptr): Likewise.
10979 (add_AT_offset): Likewise.
10980 (add_AT_range_list): Likewise.
10981 (get_AT): Use VEC_iterate.
10982 (remove_AT): Use VEC_ordered_remove.
10983 (free_die): Fold remove_children into here; have it use VEC_iterate.
10984 (print_die): Use VEC_iterate on attrs.
10985 (reverse_die_lists): Don't reverse attr lists.
10986 (die_checksum): Use VEC_iterate on attrs.
10987 (same_die_p): Likewise.
10988 (output_location_lists): Likewise.
10989 (build_abbrev_table): Likewise.
10990 (size_of_die): Likewise.
10991 (unmark_all_dies): Likewise.
10992 (output_abbrev_section): Likewise.
10993 (output_die): Likewise.
10994 (prune_unused_types_walk_attribs): Likewise.
10996 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10998 * doc/install.texi (*-*-solaris2*): Point to the configure page.
11000 2006-04-10 Jakub Jelinek <jakub@redhat.com>
11003 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
11005 2006-04-09 Roger Sayle <roger@eyesopen.com>
11007 * expr.c (store_constructor): Don't bother clearing target if
11008 we're about to assign a vector to it using vec_init_optab.
11010 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
11012 * tree-ssa-alias.c (lhs_may_store_to): New function.
11013 (recalculate_used_alone): Handle LHS of calls.
11015 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11019 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
11020 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
11021 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
11022 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
11023 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
11024 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
11025 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
11026 stubs. Add ".align 8" directives before all ".dword" directives.
11027 (GTHREAD_USE_WEAK): Revise comment.
11028 (TARGET_ATTRIBUTE_WEAK): Define.
11029 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
11030 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
11031 * stublib.c: New file.
11036 * pa.md (cbranch patterns): Revise arguments used in calls to
11037 output_cbranch, output_bb and output_bvd. Add long branch length
11039 (fbranch patterns): Handle long branches.
11040 (jump): Revise length check. Revise arguments for output_lbranch call.
11041 Add long branch length attributes.
11042 (decrement_and_branch_until_zero): Add long branch length attributes.
11043 (output_movb, output_parallel_addb and output_parallel_movb patterns):
11044 Likewise. Revise arguments for output_parallel_addb and
11045 output_parallel_movb calls.
11046 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
11047 output_parallel_movb and output_parallel_addb): Update prototypes.
11048 * pa.c (output_cbranch): Revise arguments. Correct handling of
11049 nullification in long branches.
11050 (output_lbranch): Add new argument to control extraction of delay
11052 (output_bb): Handle long branches.
11053 (output_bvb, output_dbra, output_movb, output_parallel_movb,
11054 output_parallel_addb): Likewise.
11056 2006-04-09 Richard Sandiford <richard@codesourcery.com>
11058 PR rtl-optimization/27073
11059 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
11062 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
11064 * tree.h (tree_memory_tag): Add old_used_alone.
11065 (SMT_OLD_USED_ALONE): New macro.
11066 * tree-ssa-alias.c (recalculate_used_alone): Stop
11067 marking things for renaming unnecessarily.
11069 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
11071 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
11072 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
11073 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
11074 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
11075 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
11076 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
11077 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
11078 spelling convensions.
11079 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
11080 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
11081 typos. Follow spelling conventions.
11083 2006-04-07 DJ Delorie <dj@redhat.com>
11085 * config/m32c/m32c.c (m32c_function_arg): Structures are always
11086 passed on the stack.
11087 (m32c_init_cumulative_args): When a function returns a structure,
11088 always pass the pointer to that return area on the stack.
11089 (m32c_function_arg_advance): Don't increment the parameter number
11090 if we're processing the returned structure pointer.
11091 (pushm_info): Reverse order of registers.
11093 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
11095 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
11096 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11097 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
11098 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
11099 build_int_cst_type.
11100 * tree-chrec.c (chrec_fold_multiply_poly_poly,
11101 chrec_fold_multiply): Same.
11102 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
11103 force_expr_to_var_cost): Same.
11104 * tree-mudflap.c (mf_xform_derefs_1): Same.
11105 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
11107 2006-04-07 David Edelsohn <edelsohn@gnu.org>
11109 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
11110 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
11113 2006-04-07 Jan Hubicka <jh@suse.cz>
11115 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
11117 2006-04-07 Richard Guenther <rguenther@suse.de>
11119 PR tree-optimization/26135
11120 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
11121 loads for store copy-prop.
11122 (copy_prop_visit_stmt): Likewise.
11124 2006-04-05 Robert Millan <robertmh@gnu.org>
11126 * config/i386/linux.h: Add a comment to mark macros that are
11127 being overriden in config/k*bsd-gnu.h.
11128 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
11130 * config/knetbsd-gnu.h: Ditto.
11132 2006-04-06 Jan Hubicka <jh@suse.cz>
11136 * coverage.c (coverage_checksum_string): Reorganize loop to not read
11139 2006-04-06 Mike Stump <mrs@apple.com>
11141 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
11142 for HAVE_nonlocal_goto to be consistent.
11143 (expand_builtin_nonlocal_goto): Likewise.
11144 (expand_builtin_strcmp): Use #ifdef instead of #if
11145 for HAVE_cmpstrnsi to be consistent.
11147 2006-04-05 DJ Delorie <dj@redhat.com>
11149 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
11152 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
11154 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
11155 got-relative addressing for anything but SImode.
11157 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
11158 even if the calling function doesn't modify them.
11160 2006-04-05 Richard Guenther <rguenther@suse.de>
11162 PR tree-optimization/26919
11163 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
11164 to cgraph_estimate_size_after_inlining.
11166 2006-04-05 Alan Modra <amodra@bigpond.net.au>
11168 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
11170 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
11172 PR tree-optimization/26996
11173 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
11174 VECTOR_TYPE variables.
11176 2006-04-05 Richard Guenther <rguenther@suse.de>
11178 PR tree-optimization/26763
11179 * fold-const.c (fold_comparison): Move folding of
11180 PTR + CST CMP PTR + CST ...
11181 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
11183 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
11185 * doc/install.texi (Prerequisites): Refine some wording on
11186 bootstrapping and ksh.
11187 Move the version numbers of DejaGnu here from the testing section
11188 and fix casing of names.
11189 Fix markup and clarify wording for autogen requirements.
11190 Refer to GCJ instead of just java.
11191 Refer to SVN instead of CVS.
11192 Describe diffutils as useful instead of necessary.
11193 (Downloading the source): Refer to SVN instead of CVS.
11194 Adjust a link to our web site accordingly.
11195 (Configuration): Fix casing of Bison.
11196 (Building): Refer to SVN instead of CVS.
11197 Fix a sentence on the use of Bison and remove duplicate (and
11198 incorrect) version number of Bison requirement.
11199 Remove one redundant list of packages needed for building.
11200 (Specific): Avoid reference to CVS.
11202 2006-04-04 Eric Christopher <echristo@apple.com>
11204 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
11205 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
11206 (rs6000_handle_struct_attribute): New.
11207 (rs6000_ms_bitfield_layout_p): Ditto.
11209 2006-04-04 Geoffrey Keating <geoffk@apple.com>
11211 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
11212 NULL for dso parameter to atexit_common.
11214 2006-04-04 Eric Christopher <echristo@apple.com>
11216 * config/i386/i386.c (machopic_output_stub): Output \t
11217 between instructions and operands.
11219 2006-04-04 David Edelsohn <edelsohn@gnu.org>
11221 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
11222 satisfies_constraint_[IL] to explicit tests on value.
11224 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
11226 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11227 set_nb_iterations_in_loop): Use build_int_cst instead of
11228 build_int_cst_type.
11229 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
11230 build_int_cst instead of convert.
11232 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
11234 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
11235 new value 2 for incoming.
11236 * function.c (expand_function_start): Call struct_value_rtx
11237 with incoming as 2.
11238 * config/sparc/sparc.md: Comment updated_return.
11239 * config/sparc/sparc.opt: Add -mstd-struct-return option.
11240 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
11241 struct return if sparc_std_struct_return and incoming is 2.
11242 (print_operand): Do not adjust return if
11243 sparc_std_struct_return.
11245 2006-04-04 Roger Sayle <roger@eyesopen.com>
11247 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
11248 convert in the middle-end.
11249 * expr.c (store_expr, store_constructor, get_inner_reference,
11250 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
11252 * tree.c (build_range_type): Likewise.
11254 2006-04-04 Tom Tromey <tromey@redhat.com>
11256 * doc/install.texi (Prerequisites): Mention jar.
11258 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
11260 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
11263 2006-04-04 Matthias Klose <doko@debian.org>
11265 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
11269 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
11272 2006-04-03 Geoffrey Keating <geoffk@apple.com>
11274 * doc/extend.texi (Function Attributes): Rewrite visibility
11275 attribute documentation.
11276 * doc/invoke.texi (C++ Dialect Options): Rewrite
11277 -fvisibility-inlines-hidden documentation to describe something
11278 entirely different, although in practise compatible.
11279 (Code Gen Options): Warn about system headers in -fvisibility=
11282 * doc/extend.texi (Other Builtins): Document that
11283 __builtin_nan is a compile-time constant only when its argument
11286 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
11288 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
11289 trying to remove TRUNCATE check if all bits outside the new mode
11290 are identical to the sign bit.
11292 2006-04-03 Jeff Law <law@redhat.com>
11294 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
11295 and operand scanning in some common cases.
11297 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
11298 Dale Johannesen <dalej@apple.com>
11301 * regclass.c (struct reg_pref): Update documentation.
11302 (regclass): Set prefclass to NO_REGS if memory is the best option.
11303 (record_reg_classes): Cope with a prefclass set to NO_REGS.
11304 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
11305 into account. For non-registers, equate an empty preferred
11306 reload class to a `!' in the constraint; move the if clause to
11307 do so after those that reject the insn.
11308 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
11310 (find_dummy_reload): Likewise.
11311 * doc/tm.texi (Register Classes): Document what it means
11312 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
11313 * config/i386/i386.c (ix86_preferred_reload_class): Force
11314 using SSE registers (and return NO_REGS for floating-point
11315 constants) if math is done with SSE.
11316 (ix86_preferred_output_reload_class): New.
11317 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
11318 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
11319 * config/i386/i386.md: Remove # register preferences.
11321 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11324 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11325 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
11326 the type of nb_iter.
11327 (instantiate_parameters_1): Convert the operands before calling
11328 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
11329 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
11331 2006-04-02 Roger Sayle <roger@eyesopen.com>
11333 * builtins.c (dummy_object): Use build_int_cst instead of convert.
11334 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
11335 instead of convert.
11336 * dojump.c (do_jump): Likewise.
11337 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
11338 * gimplify.c (gimple_boolify, gimplify_init_constructor,
11339 gimplify_boolean_expr): Likewise.
11340 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
11341 * varasm.c (array_size_for_constructor): Likewise.
11342 * tree-object-size.c (compute_object_offset): Likewise.
11344 2006-04-02 Roger Sayle <roger@eyesopen.com>
11346 PR middle-end/26977
11347 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
11348 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
11350 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11352 PR tree-optimization/26939
11353 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
11355 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11357 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
11358 at_stmt. Convert the type of operands before calling
11359 build_polynomial_chrec.
11360 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
11361 add_to_evolution_1.
11362 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
11363 (instantiate_parameters_1): Convert the type of operands before calling
11364 build_polynomial_chrec.
11365 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
11366 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
11367 reset_evolution_in_loop): Insert asserts to check the types of the
11369 (chrec_type): Moved...
11370 (eq_evolutions_p): Use operand_equal_p.
11371 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
11372 the types of the operands.
11373 (chrec_type): ...here.
11374 * tree-data-ref.c (create_data_ref): Convert the operands before
11375 calling chrec_replace_initial_condition.
11376 (same_access_functions, analyze_subscript_affine_affine,
11377 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
11378 (compute_subscript_distance, analyze_ziv_subscript,
11379 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
11380 analyze_miv_subscript): Convert the operands before calling
11381 chrec_fold_minus or chrec_fold_plus.
11383 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11385 * tree-data-ref.c (compute_all_dependences): Use a pointer to
11386 the dependence_relations vector.
11387 (compute_data_dependences_for_loop): Adjust call to
11388 compute_all_dependences.
11390 2006-04-01 Roger Sayle <roger@eyesopen.com>
11391 Richard Henderson <rth@redhat.com>
11393 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
11394 gimple_boolify on the condition before calling gimplify_expr.
11396 2006-03-31 Bob Wilson <bob.wilson@acm.org>
11398 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
11399 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
11400 the frame size. Update to use the new macros.
11401 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
11402 * config/xtensa/ieee754-df.S: Likewise.
11404 2006-03-31 Richard Henderson <rth@redhat.com>
11406 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
11407 (make_edges): ... here. Control fallthru creation with a local
11408 variable. Do not play with fake edges.
11409 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
11410 (make_goto_expr_edges): Don't play with fake edges. Make for_call
11413 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
11415 * dwarf2.h (DW64_CIE_ID): Define.
11416 * dwarf2out.c (DWARF_CIE_ID): Define.
11417 (output_call_frame_info): Output 0xffffffff before standard 8-byte
11418 length header. Use DWARF_CIE_ID.
11419 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
11420 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
11422 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
11424 * config/sh/linux-atomic.asm: New file.
11425 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
11427 2006-03-31 DJ Delorie <dj@redhat.com>
11429 * config/m32c/cond.md: Set condition flags properly throughout.
11430 * config/m32c/minmax.md: Likewise.
11431 * config/m32c/prologue.md: Likewise.
11432 * config/m32c/bitops.md: Likewise.
11433 * config/m32c/muldiv.md: Likewise.
11434 * config/m32c/mov.md: Likewise.
11435 * config/m32c/addsub.md: Likewise.
11436 * config/m32c/m32c.md: Likewise.
11437 * config/m32c/jump.md: Likewise.
11438 * config/m32c/shift.md: Likewise.
11440 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
11441 conditionally output the pattern for this.
11442 * config/m32c/m32c.c (flags_needed_for_conditional): New.
11443 (m32c_compare_redundant): New.
11444 (m32c_output_compare): New.
11445 * config/m32c/m32c-protos.h (m32c_output_compare): New.
11447 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
11448 dest, not src. Allow other 4-byte modes.
11450 2006-03-30 Denis Chertykov <denisc@overta.ru>
11452 * doc/md.texi: Refer to avr/constraints.md instead of
11455 2006-03-30 Roger Sayle <roger@eyesopen.com>
11457 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
11458 signed vs. unsigned comparison failures on some hosts.
11460 2006-03-31 Alan Modra <amodra@bigpond.net.au>
11463 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
11464 change to FLOAT_REGS.
11466 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
11467 (rs6000_override_options): Use it.
11468 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
11469 only for -mabi=spe/no-spe and -mabi=altivec.
11471 2006-03-30 Geoffrey Keating <geoffk@apple.com>
11473 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
11476 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
11478 * Makefile.in: Rename docdir to gcc_docdir.
11480 2006-03-30 Roger Sayle <roger@eyesopen.com>
11483 * expr.c (emit_group_store): Optimize group stores into a pseudo
11484 register by using a paradoxical subreg to initialize the destination
11485 if the first or last member of the group specifies a "low part".
11487 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11490 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
11491 * target.h (struct gcc_target.speculate_insn): Change type of the
11492 second parameter to 'int'.
11493 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
11494 the second operand of the DEPS_LIST.
11495 (copy_DEPS_LIST_list): Update reference to the second operand of the
11497 * rtl.h (alloc_DEPS_LIST): Update signature.
11498 * sched-int.h (ds_t): Change typedef to 'int'.
11499 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11501 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11503 * haifa-sched.c (try_ready): Change condition to restore
11504 non-speculative pattern of the instruction.
11505 (process_insn_depend_be_in_spec): Code to keep probability of the
11506 speculative dependence non-decreasing.
11508 2006-03-30 Jie Zhang <jie.zhang@analog.com>
11510 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
11511 (single_move_for_movmem): ... this. Also change all uses.
11512 (bfin_expand_strmov): Renamed to...
11513 (bfin_expand_movmem): ... this. Also change all uses.
11514 * config/bfin/bfin.md (movstrsi): Renamed to...
11515 (movstrsi): ...this.
11517 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
11519 PR tree-optimization/26830
11521 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
11522 (copy_prop_visit_stmt): Remove write-only variable ann.
11523 (init_copy_prop): Check variable loop depth here. Do not simulate
11524 memory-tag and virtual operand PHIs except for store copy prop.
11526 2006-03-30 Richard Guenther <rguenther@suse.de>
11528 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
11529 variants with double arguments.
11531 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11533 * genpreds.c (write_tm_constrs_h): Delete variable p.
11534 * genconditions.c (write_header): Add tm-constrs.h to included
11536 * genpeep.c (main): Add toplev.h to included headers.
11537 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
11538 (build/genpeep.o): Add toplev.h dependency.
11539 * config/rs6000/constraints.md: Add "W" constraint.
11541 2006-03-29 Roger Sayle <roger@eyesopen.com>
11543 * stor-layout.c (mode_for_size_tree): Remove restiction on type
11544 sizes by correctly testing whether the size fits a host integer.
11545 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
11546 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
11547 SImode range for the default sizetype and bitsizetype.
11549 2006-03-29 Roger Sayle <roger@eyesopen.com>
11551 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
11552 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
11553 quickly if the argument is already of the correct type.
11554 Call fold_build1 instead of build1. Tidy up blank lines.
11556 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11558 * genemit.c (main): Add tm-constrs.h to included headers.
11559 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
11560 * genpeep.c (main): Add tm-constrs.h to included headers.
11561 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
11562 (write_tm_constrs_h): this and write complete file.
11563 (write_tm_preds_h): Do not emit satisfies_constraint fns.
11564 (write_insn_preds_c): Add tm-constrs.h to included headers.
11565 (gen_constrs): New variable.
11566 (parse_option): Parse "-c".
11567 (main): Invoke write_tm_constrs_h.
11568 * genrecog.c (write_header): Add tm-constrs.h to included headers.
11569 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
11570 (object_out_file): Add tm-constrs.h dependency.
11571 (insn-emit.o): Same.
11572 (insn-output.o): Same.
11573 (insn-peep.o): Same.
11574 (insn-preds.o): Same.
11575 (insn-recog.o): Same.
11576 (tm-constsr.h): New target.
11577 (s-constrs-h): New target.
11579 * config/rs6000/constraints.md: New file.
11580 * config/rs6000/rs6000.c: Include tm-constrs.h.
11581 (num_insn_constant_wide): Convert to satisfies_constraint.
11582 (rs6000_rtx_costs): Convert to satisfies_constraint.
11583 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
11584 (CONST_OK_FOR_LETTER_P): Delete.
11585 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11586 (EXTRA_CONSTRAINT): Delete.
11587 (EXTRA_MEMORY_CONSTRAINT): Delete.
11588 (EXTRA_ADDRESS_CONSTRAINT): Delete.
11589 * config/rs6000/predicates.md: Convert to satisfies_constraint.
11590 * config/rs6000/rs6000.md: Include constraints.md. Convert to
11591 satisfies_constraint.
11593 * config/i386/i386.c: Include tm-constrs.h.
11595 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11597 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
11598 * tree-data-ref.c (find_data_references_in_loop,
11599 compute_data_dependences_for_loop): Use pointers to VEC.
11600 (analyze_all_data_dependences): Adjust calls.
11601 * tree-data-ref.h (find_data_references_in_loop,
11602 compute_data_dependences_for_loop): Adjust declarations.
11603 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
11604 compute_data_dependences_for_loop.
11606 2006-03-29 Paul Brook <paul@codesourcery.com>
11608 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
11609 (movdf_vfp): Ditto.
11611 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11613 PR tree-optimization/26859
11614 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
11616 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
11617 for the step after fold_convert.
11619 2006-03-29 Paul Brook <paul@codesourcery.com>
11621 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
11622 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
11624 2006-03-29 Paul Brook <paul@codesourcery.com>
11626 PR middle-end/23623
11627 * targhooks.c (default_narrow_bitfield): New fuction.
11628 * targhooks.h (default_narrow_bitfield): add prototype.
11629 * target.h (gcc_target): Add narrow_volatile_bitfield.
11630 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11631 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
11632 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
11633 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11635 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
11637 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
11639 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
11640 (NR_C_MODES): Add TDmode, DDmode and SDmode.
11641 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
11642 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
11643 (s390_function_arg_float): Allow SDmode and DDmode values to be
11644 passed in floating point registers.
11645 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
11646 check with SCALAR_FLOAT_MODE_P.
11647 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
11649 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11651 PR tree-optimization/25985
11652 * tree-ssa-loop-niter.c (number_of_iterations_le,
11653 number_of_iterations_ne): Make comments more precise.
11654 (number_of_iterations_cond): Add only_exit argument. Use the
11655 fact that signed variables do not overflow only when only_exit
11657 (loop_only_exit_p): New.
11658 (number_of_iterations_exit): Pass result of loop_only_exit_p to
11659 number_of_iterations_cond.
11661 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11663 PR tree-optimization/26643
11664 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
11667 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
11669 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
11670 (divsi3_i4_int): Likewise.
11672 2006-03-28 Roger Sayle <roger@eyesopen.com>
11674 * expr.c (emit_group_store): Only create a new pseudo reg if the
11675 quantity it needs to hold isn't already a suitable pseudo.
11677 2006-03-28 Jeff Law <law@redhat.com>
11679 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
11680 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
11682 2006-03-28 Roger Sayle <roger@eyesopen.com>
11684 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
11685 the equivalent ~X & Y, and the symmetry related transformations.
11686 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
11687 ~X & Y, and symmetry related transforms.
11689 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11691 Revert my 2006-03-27 patches.
11693 2006-03-28 Roger Sayle <roger@eyesopen.com>
11695 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
11696 ~(T1)X, when T1 and T2 are integer types of the same precision
11697 and (T2)X isn't an extension.
11699 2006-03-28 Jeff Law <law@redhat.com>
11701 PR tree-optimization/26796
11702 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
11703 need EH edge cleanups rather than purging them immediately.
11704 (eliminate_degenerate_phis): Handle queued EH cleanups.
11706 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
11708 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
11711 2006-03-27 Roger Sayle <roger@eyesopen.com>
11713 PR middle-end/22524
11714 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
11715 cast BIT_NOT_EXPR operand to the correct type.
11717 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
11719 * tree-loop-linear.c: Don't include varray.h.
11720 (gather_interchange_stats, try_interchange_loops,
11721 linear_transform_loops): Use VEC instead of VARRAY.
11722 * lambda-mat.c: Don't include varray.h.
11723 * tree-chrec.c: Same.
11724 * lambda-trans.c: Same.
11725 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
11726 VEC instead of VARRAY.
11727 * tree-vectorizer.h: Idem.
11728 * tree-data-ref.c (dump_data_references,
11729 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
11730 initialize_data_dependence_relation, finalize_ddr_dependent,
11731 compute_all_dependences, find_data_references_in_loop,
11732 compute_data_dependences_for_loop, analyze_all_data_dependences,
11733 free_dependence_relation, free_dependence_relations,
11734 free_data_refs): Idem.
11735 * tree-data-ref.h (data_reference_p, subscript_p): New.
11736 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
11737 VEC instead of VARRAY.
11738 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
11739 (find_data_references_in_loop, compute_data_dependences_for_loop,
11740 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
11741 dump_data_dependence_relations, free_dependence_relations,
11742 free_data_refs): Adjust declaration.
11743 (lambda_transform_legal_p): Move declaration here...
11744 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
11745 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
11746 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
11747 vect_analyze_data_refs): Use VEC instead of VARRAY.
11748 * lambda.h (lambda_transform_legal_p): ...from here.
11749 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
11750 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
11751 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
11752 tree-chrec.o): Don't depend on VARRAY_H.
11754 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11756 * rtl.def (Copyright): Update date.
11757 (DEPS_LIST): Change type of the second operand to 'int'.
11758 * target.h (Copyright): Update date.
11759 (struct gcc_target.speculate_insn): Change type of the second parameter
11761 * lists.c (Copyright): Update date.
11762 (alloc_DEPS_LIST): Change signature. Update reference to the second
11763 operand of the DEPS_LIST.
11764 (copy_DEPS_LIST_list): Update reference to the second operand of the
11766 * rtl.h (Copyright): Update date.
11767 (alloc_DEPS_LIST): Update signature.
11768 * sched-int.h (Copyright): Update date.
11769 (ds_t): Change typedef to 'int'.
11770 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11772 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11774 * haifa-sched.c (Copyright): Update date.
11775 (try_ready): Change condition to restore non-speculative pattern
11776 of the instruction.
11777 (process_insn_depend_be_in_spec): Code to keep probability of the
11778 speculative dependence non-decreasing.
11780 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
11782 * regrename.c (replace_oldest_value_addr): Initialize a variable to
11783 shut up the compiler.
11785 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
11787 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
11788 to use lib prefix for target.
11789 ($(T)libic_invalidate_array_4-200.a): Likewise.
11790 ($(T)libic_invalidate_array_4a.a): Likewise.
11792 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
11793 J"orn Rennecke <joern.rennecke@st.com>
11795 * superh.opt: New file.
11796 * sh.c (boardtype, osruntime): Remove.
11797 * superh.h (SUBTARGET_OPTIONS): Remove.
11798 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
11800 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
11801 arguments with ^ and/or [].
11803 * config.gcc (sh-*-*): Add quoting to account for quirk of
11805 Replace == with = in enable_incomplete_targets test.
11807 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
11808 with MASK_LITTLE_ENDIAN.
11810 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
11811 * config/sh/sh.opt: Added to some comments.
11812 * config/sh/superh.h: Removed some chaff.
11814 * config/sh/sh.opt: Add m4-[1234]00* options.
11815 * config/sh/sh.c (sh_handle_option): Likewise.
11816 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
11817 (ic_invalidate_array_4-100.o): New rule.
11818 ($(T)libic_invalidate_array_4-100.a): Likewise.
11819 (ic_invalidate_array_4-200.o): Likewise.
11820 ($(T)libic_invalidate_array_4-200.a): Likewise.
11821 (ic_invalidate_array_4a.o): Likewise.
11822 ($(T)libic_invalidate_array_4a.a): Likewise.
11823 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
11824 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
11826 * config/sh/crt1.asm: Merged in profiling code.
11827 * config/sh/superh.h (STARTFILE_SPEC): Override.
11828 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
11829 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
11830 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
11832 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
11833 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
11834 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
11836 * sh.opt (mpretend-cmove): New option.
11837 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
11838 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
11839 (movsicc): Add TARGET_PRETEND_CMOVE code.
11841 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
11843 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
11844 s390_class_max_nregs): New function prototypes.
11845 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
11846 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
11847 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
11848 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
11850 2006-03-26 Geoffrey Keating <geoffk@apple.com>
11852 * dwarf2out.c (add_location_or_const_value_attribute): Call
11853 tree_add_const_value_attribute if nothing else works.
11854 (reference_to_unused): New.
11855 (rtl_for_decl_init): Use reference_to_unused to decide whether
11856 to output an initializer.
11858 2006-03-27 Alan Modra <amodra@bigpond.net.au>
11861 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
11862 peephole removing spe frob_di_df_2.
11864 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
11866 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
11867 (subscript_dependence_tester_1): Declared.
11868 (print_dir_vectors, print_dist_vectors): New.
11869 (debug_data_dependence_relation): New.
11870 (dump_data_dependence_relation): Print more details.
11871 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
11872 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
11873 (save_dist_v, save_dir_v, add_outer_distances,
11874 build_classic_dist_vector_1): New.
11875 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
11876 Don't test for lambda_vector_lexico_pos.
11877 (same_access_functions, add_multivariate_self_dist,
11878 add_other_self_distances, dir_from_dist): New.
11879 (build_classic_dir_vector): Replace implementation almost identical to
11880 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
11882 (subscript_dependence_tester_1): New.
11883 (subscript_dependence_tester): Handle the lexicographically negative
11884 distance vectors by recomputing the dependence relation.
11885 (compute_affine_dependence): Remove parameter loop_nest_depth.
11886 (compute_self_dependence): Don't call compute_subscript_distance.
11887 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
11888 Add a parameter for the loop_nest.
11889 (find_loop_nest_1, find_loop_nest): New.
11890 (compute_data_dependences_for_loop): Compute the loop nest, and give
11891 up if the nest is not well formed.
11892 * tree-data-ref.h (loop_p): New.
11893 (struct data_dependence_relation): Replace size_vect field with
11894 loop_nest, a vec of loops.
11895 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
11896 (DDR_LOOP_NEST): New.
11897 (print_dir_vectors, print_dist_vectors,
11898 debug_data_dependence_relation): Declared.
11899 (index_in_loop_nest): New.
11900 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
11901 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
11904 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
11906 * simplify-rtx.c (simplify_relational_operation): Call
11907 simplify_relational_operation_1 even if mode is VOIDmode.
11909 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
11911 PR tree-optimization/26804
11912 * tree.h (DECL_CALL_CLOBBERED): New macro.
11913 (tree_decl_common): Add call_clobbered_flag.
11914 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
11915 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
11916 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
11917 (mark_non_addressable): Ditto.
11918 * tree-ssa.c (verify_call_clobbered): New function.
11919 (verify_alias_info): Use it.
11920 * tree-pass.h (pass_reset_cc_flags): New prototype.
11921 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
11922 (reset_cc_flags): New function.
11923 * passes.c (init_optimization_passes): Call reset_cc_flags after
11924 initializing referenced_vars.
11926 2006-03-25 Uros Bizjak <uros@kss-loka.si>
11927 Roger Sayle <roger@eyesopen.com>
11929 PR middle-end/26717
11930 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
11931 to 1.0 for non-real operands. Implement A / A optimization for
11934 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
11936 * config/i386/i386.c (size_cost): Correct the comment for
11937 cost of storing fp registers.
11938 (i386_cost): Likewise.
11939 (i486_cost): Likewise.
11940 (pentium_cost): Likewise.
11941 (pentiumpro_cost): Likewise.
11942 (k6_cost): Likewise.
11943 (athlon_cost): Likewise.
11944 (k8_cost): Likewise.
11945 (pentium4_cost): Likewise.
11946 (nocona_cost): Likewise.
11947 (generic64_cost): Likewise.
11948 (generic32_cost): Likewise.
11950 2006-03-24 Denis Chertykov <denisc@overta.ru>
11952 * config/avr/avr-protos.h (extra_constraint): Delete.
11953 (extra_constraint_Q): New declaration.
11954 * config/avr/constraints.md: New file.
11955 * config/avr/avr.md: Include it.
11956 (REG_X, REG_Y, REG_Z, REG_W): New constants.
11957 (TMP_REGNO, ZERO_REGNO): Likewise.
11958 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
11959 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
11960 (extra_constraint): Delete.
11961 (extra_constraint_Q): Test for memory constraint 'Q'.
11962 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
11963 (REG_CLASS_FROM_LETTER): Delete.
11964 (CONST_OK_FOR_LETTER_P): Delete.
11965 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11966 (EXTRA_CONSTRAINT): Delete.
11967 (TMP_REGNO): Delete.
11968 (ZERO_REGNO): Delete.
11970 2006-03-24 Jeff Law <law@redhat.com>
11972 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
11973 directly. Call mark_new_vars_to_rename slightly earlier.
11975 2006-03-24 Geoffrey Keating <geoffk@apple.com>
11977 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
11978 (is_cxx): Likewise.
11979 (gen_compile_unit_die): Use new language types for Objective-C and
11981 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
11982 DW_LANG_C_plus_plus.
11985 * config/t-darwin (crt3.o): Work around bug 26840.
11986 * config/darwin-crt3.c: Rewrite.
11987 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
11989 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
11991 * doc/invoke.texi: Document -femit-class-debug-always
11992 * common.opt: Add -femit-class-debug-always.
11994 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
11996 * config/s390/s390.c (s390_decompose_address): Allow SImode for
11997 index and base register.
11998 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
11999 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
12000 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
12001 REGNO_OK_FOR_INDEX_P.
12002 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
12004 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
12005 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
12006 REG_OK_FOR_BASE_P): Definitions removed.
12008 2006-03-24 Jakub Jelinek <jakub@redhat.com>
12010 PR middle-end/26611
12011 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
12012 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
12013 set yet or weren't marked as local yet.
12015 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
12017 * regrename.c (scan_rtx_address): Initialize a variable to shut up
12020 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
12022 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
12023 (rs6000_legitimate_small_data_p): Delete.
12024 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
12025 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
12026 and make static. Add forward declaration. Update uses.
12027 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
12028 of offsettable_memref_p.
12029 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
12030 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
12032 2006-03-24 Jeff Law <law@redhat.com>
12034 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
12035 around bug in immediate-use iterator.
12037 2006-03-24 Alan Modra <amodra@bigpond.net.au>
12040 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
12041 or __LITTLE_ENDIAN__.
12043 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
12045 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
12046 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
12047 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
12048 * config/sh/sh.opt (mdiv=): Amend description.
12049 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
12050 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
12051 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
12052 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
12053 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
12054 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
12055 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
12056 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
12057 TARGET_DIVIDE_CALL_FP.
12059 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12061 * haifa-sched.c (choose_ready): Fix type of the local variable.
12062 Move local variables. Add comment.
12063 (check_reg_live): Change signature. Make callable from debugger.
12064 * sched-int.h (check_reg_live): Update signature.
12065 * sched-ebb.c (check_reg_live): Update parameters.
12066 * sched-rgn.c (check_reg_live): Ditto.
12067 (region_head_or_leaf_p): Check pointer before dereferencing.
12068 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
12069 before reload on optimization levels below 1.
12071 2006-03-23 Richard Henderson <rth@redhat.com>
12073 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
12077 * config/alpha/predicates.md (local_symbolic_operand): Reject
12080 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
12083 * tree-ssa-pre.c (create_value_expr_from): Don't reject
12084 expressions which have overflowed constants.
12086 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
12088 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
12090 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
12092 * cfgloopmanip.c (create_loop_notes): Removed.
12093 * final.c (final_scan_insn): Do not handle loop notes.
12094 * jump.c (squeeze_notes): Ditto.
12095 * cfglayout.c (skip_insns_after_block,
12096 duplicate_insn_chain): Ditto.
12097 * cfgcleanup.c (rest_of_handle_jump2): Do not call
12099 * cfgloop.h (create_loop_notes): Declaration removed.
12101 2006-03-23 Richard Sandiford <richard@codesourcery.com>
12103 * varasm.c (output_constant_pool): Restore fnname and fndecl
12105 (assemble_start_function): Adjust call accordingly.
12106 (assemble_end_function): Likewise.
12108 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12111 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
12114 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
12116 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12119 * system.h (ICE_EXIT_CODE): New macro.
12120 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
12121 (diagnostic_action_after_output): Likewise.
12122 * gcc.c (fatal_ice): New function.
12123 (execute): Use it instead of fatal.
12124 (fancy_abort): Likewise.
12125 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
12127 2006-03-22 Jeff Law <law@redhat.com>
12129 * loop-unroll.c (analyze_iv_to_split_insn): Handle
12130 iv_analyze_result returning false.
12132 2006-03-22 Jie Zhang <jie.zhang@analog.com>
12134 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
12136 2006-03-22 Richard Henderson <rth@redhat.com>
12138 PR middle-end/26084
12139 * except.c (duplicate_eh_regions_0): New.
12140 (duplicate_eh_region_1): Duplicate the children of the node as
12141 well as the node itself. Link them up properly.
12142 (duplicate_eh_region_2): Merge into ...
12143 (duplicate_eh_regions): ... here. Take copy_region argument, and
12144 copy only a sub-tree if asked. Simplify copying and fixup.
12145 (eh_region_outer_p): New.
12146 * except.h (duplicate_eh_regions): Update decl.
12147 (eh_region_outer_p): Declare.
12148 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
12149 (lower_omp_master): Likewise.
12150 (lower_omp_ordered): Likewise.
12151 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
12152 (move_stmt_r): Use it to remap labels. Handle recursion vs
12153 remap_decls_p properly.
12154 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
12155 (find_outermost_region_in_block): New.
12156 (new_label_mapper): New.
12157 (move_sese_region_to_fn): Copy eh information to the new function
12159 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
12161 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
12164 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12166 * doc/md.texi (-mshared): Mention that -mshared code can be linked
12167 into shared libraries.
12169 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12171 * doc/md.texi: Refer to i386/constraints.md instead of
12172 i386/predicates.md.
12173 * config/i386/constraints.md: New file, extracted from...
12174 * config/i386/predicates.md: ...here.
12175 * config/i386/i386.md: Include constraints.md.
12177 2006-03-21 Jason Merrill <jason@redhat.com>
12179 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
12181 PR middle-end/20297
12182 * expr.c (init_block_move_fn): Force default visibility.
12183 (init_block_clear_fn): Likewise.
12184 * builtins.c (expand_builtin_fork_or_exec): Likewise.
12185 * targhooks.c (default_external_stack_protect_fail): Likewise.
12187 2006-03-21 Richard Sandiford <richard@codesourcery.com>
12189 * config/mips/predicates.md (const_call_insn_operand): Allow direct
12190 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
12191 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
12192 Use TARGET_OLDABI instead of !TARGET_NEWABI.
12193 (loadgp): Use mips_current_loadgp_style.
12194 (loadgp_noshared): New pattern.
12195 (sibcall_internal): Use MIPS_CALL.
12196 (sibcall_value_internal): Likewise.
12197 (sibcall_value_multiple_internal): Likewise.
12198 (call_internal): Likewise.
12199 (call_value_internal): Likewise.
12200 (call_value_multiple_internal): Likewise.
12201 (call_split): Use MIPS_CALL and add an 'S' constraint.
12202 (call_value_split): Likewise.
12203 (call_value_multiple_split): Likewise.
12204 * config/mips/mips.opt (-mabicalls): Tweak docstring.
12205 (-mshared): New option.
12206 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
12207 (mips_current_loadgp_style): Declare.
12208 * config/mips/mips.c (mips_classify_symbol): Avoid using
12209 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
12210 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
12211 TARGET_ABSOLUTE_ABICALLS.
12212 (override_options): Adjust comments. Improve the warning that is
12213 issued when -mabicalls and -G are used together.
12214 (mips_file_start): Remove comment.
12215 (mips_current_loadgp_style): New function.
12216 (mips_gnu_local_gp): New variable.
12217 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
12219 (mips_output_function_prologue): Use mips_current_laodgp_style.
12220 (mips_expand_prologue): Call mips_emit_loadgp before emitting
12221 the cprestore instruction.
12222 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
12223 live for TARGET_ABSOLUTE_ABICALLS.
12224 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
12225 (ASM_SPEC): Pass down -mshared and -mno-shared.
12226 (MIPS_CALL): New macro.
12227 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
12229 * doc/invoke.texi (-mabicalls): Update documentation.
12230 (-mshared): Document.
12232 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12234 * config/ia64/unwind-hpux.c: New file.
12235 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
12237 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12240 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
12242 2006-03-21 Jeff Law <law@redhat.com>
12244 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
12245 type conversions of a VR_VARYING source to a wider type.
12247 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
12249 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
12250 tm_file on Solaris 10 and later.
12251 (sparc64-*-solaris2*): Likewise.
12252 (sparc-*-solaris2*): Likewise.
12253 * config/sol26.h: Rename to config/sol2-6.h.
12254 * config/sol2-10.h: New file.
12256 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
12259 * tree-ssa-pre.c (create_component_ref_by_pieces):
12262 2006-03-21 Jakub Jelinek <jakub@redhat.com>
12265 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
12266 return it immediately.
12268 2006-03-21 Michael Matz <matz@suse.de>
12270 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
12272 (remove_arc, add_arc): Update num_out_arcs member.
12273 (set_out_arc_insns_equiv_num): Returns nothing instead of number
12275 (cache_presence): New function.
12276 (compare_states_for_equiv): New function.
12277 (state_is_differed): Don't take number of outargs, adjust callers.
12278 Use new invariant for speeding up.
12279 (init_equiv_class): Create initial classes based on sorted
12281 (partition_equiv_class): Don't track out_arcs_num.
12282 (evaluate_equiv_classes): Call cache_presence on all states and
12285 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
12287 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
12288 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
12289 (bfin_valid_reg_p): Test for pseudos explicitly and use only
12290 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
12292 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
12293 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
12294 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
12295 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
12296 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
12298 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
12299 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
12300 (REGNO_REG_CLASS): ARGP is in PREGS.
12301 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
12303 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
12304 to deal with those addresses.
12305 * addresses.h: New file.
12306 * caller-save.c: Include "addresses.h".
12307 (init_caller_save): Use new base_reg_class function.
12308 * rtl-factoring.c: Include "addresses.h".
12309 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
12310 * recog.c: Include "addresses.h".
12311 (preprocess_constraints): Use new base_reg_class function.
12312 * regrename.c: Include "addresses.h".
12313 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
12314 functions. Keep track of a new var INDEX_CODE to compute valid
12316 (replace_oldest_value_addr): Likewise.
12317 (replace_oldest_value_mem): Use base_reg_class.
12318 * reload.c: Include "addresses.h".
12319 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
12320 (find_reloads): Use new base_reg_class function.
12321 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
12322 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
12323 all callers and prototype changed.
12324 * reload1.c: Include "addresses.h".
12325 (maybe_fix_stack_asms): Use base_reg_class.
12326 * regclass.c: Include "addresses.h".
12327 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
12328 (init_reg_autoinc): Use new base_reg_class function.
12329 (record_reg_classes): Likewise.
12330 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
12331 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
12332 Use new args to compute necessary class.
12334 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
12335 regrename.o, rtl-factoring.o): Update dependencies.
12336 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
12337 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
12338 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
12339 REG_OK_FOR_INDEX_P): Delete documentation.
12341 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
12343 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
12344 from V7 to V9 for Solaris 7 and above.
12346 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
12348 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
12349 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
12350 argument pointers may not alias any other storage.
12351 * common.opt: Define option -fargument-noalias-anything.
12352 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
12353 alias semantics is specified by flag_argument_noalias > 2.
12355 2006-03-20 Jeff Law <law@redhat.com>
12357 * tree-pass.h (pass_phi_only_copy_prop): Delete.
12358 (pass_phi_only_cprop): Declare.
12359 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
12360 with phi_only_cprop
12361 * tree-ssa-dom.c (degenerate_phi_result): New function.
12362 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
12363 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
12364 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
12365 (eliminate_degenerate_phis): Likewise.
12366 (pass_phi_only_cprop): New pass descriptor.
12367 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
12368 support code. Callers updated.
12369 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
12370 (store_copy_prop): Likewise.
12371 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
12373 2006-03-20 Jason Merrill <jason@redhat.com>
12376 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
12377 (push_visibility, pop_visibility): Likewise.
12378 * c-pragma.h: Declare them.
12380 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
12382 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
12384 * config/sh/sh.c (find_regmode_weight): Change the type of the first
12385 parameter and use get_ebb_head_tail.
12386 (sh_md_init_global): Adjust uses of find_regmode_weight.
12388 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
12390 * function.h (struct function) <x_tail_recursion_reentry>:
12391 Rename to x_stack_check_probe_note.
12392 (tail_recursion_reentry): Rename to stack_check_probe_note.
12393 * function.c: Replace tail_recursion_reentry with
12394 stack_check_probe_note everywhere.
12395 (expand_function_start): Only emit a note for
12396 stack_check_probe_note with -fstack-protect.
12397 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
12399 * emit-rtl.c (remove_unnecessary_notes): Remove.
12400 (pass_remove_unnecessary_notes): Remove.
12401 * rtl.h (remove_unnecessary_notes): Remove prototype.
12402 * final.c (final_start_function): Don't call remove_unnecessary_notes.
12403 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
12404 * passes.c (pass_remove_unnecessary_notes): Don't run it.
12406 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
12409 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
12410 (valid_in_set): Handle ARRAY_REF.
12411 Change "if min_variant or VH" to asserts.
12412 (create_component_ref_by_pieces): Handle ARRAY_REF.
12413 (create_expression_by_pieces): Likewise.
12414 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
12416 2006-03-20 David Edelsohn <edelsohn@gnu.org>
12418 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
12419 is operand of switch, not str[0].
12421 2006-03-20 Alan Modra <amodra@bigpond.net.au>
12423 * config/rs6000/rs6000.c (rs6000_handle_option): Use
12424 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
12426 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12428 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
12429 end of insn_extra_address_constraint declaration.
12431 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12433 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
12434 (no-sum-in-toc): Same.
12435 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
12437 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
12438 NO_FP_IN_TOC for -fPIC instead of mask.
12440 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
12441 (BOOT_LDFLAGS): Delete.
12443 * config/rs6000/t-aix52: Same.
12445 * config/rs6000/rs6000.md (store_multiple_power): Delete.
12446 (stmsi[345678]_power): New.
12448 2006-03-17 Steve Ellcey <sje@cup.hp.com>
12450 * config/ia64/ia64.opt: Add empty line to end of file.
12452 2006-03-17 Richard Guenther <rguenther@suse.de>
12454 PR middle-end/26721
12455 * builtins.c (get_pointer_alignment): For component style references
12456 adjust alignment to the component type alignment. Make sure
12457 to adjust alignment for component access of constants.
12459 2006-03-17 David Edelsohn <edelsohn@gnu.org>
12461 * config/rs6000/rs6000.md (strlensi): Emit barrier after
12462 unconditional jump.
12464 2006-03-17 Paul Brook <paul@codesourcery.com>
12466 * doc/install.texi: Docuemnt --with-mode.
12467 * config.gcc: Add --with-mode for arm*-*-*.
12468 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
12470 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
12472 * sh.c (max_labelno_before_reorg): New variable.
12473 (sh_reorg): Initialize it.
12474 (find_barrier): Check max_labelno_before_reorg before using
12475 label_to_alignment. Take length of explicit alignment insns
12476 into account. When seeing a UNSPECV_CONST_END, return it.
12478 * sh.c (fixup_mova): Set mode of affected label to QImode.
12479 (untangle_mova): New function.
12480 (find_barrier): Use it. Check mode of label before decrementing
12482 (sh_reorg): Likewise.
12483 Set mode of all insns back to VOIDmode.
12485 * sh.c (MOVA_LABELREF): New macro.
12486 (mova_p, fixup_mova, sh_reorg): Use it.
12487 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
12488 ADDR_DIFF_VEC matches mova.
12490 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
12492 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
12493 with ATTRIBUTE_UNUSED.
12495 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
12497 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
12498 pointer, instead of assuming it is possible to derive the
12499 correct args size from a call insn.
12501 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12503 * rtl.h (CONST_INT_P): Define.
12504 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
12505 instead of GET_CODE(x) == CONST_INT.
12506 (vax_rtx_costs): Likewise.
12507 (vax_output_int_move): Likewise.
12508 (vax_output_int_add): Likewise.
12509 (legitimate_constant_address_p): Likewise.
12510 (index_term_p): Likewise.
12511 * config/vax/vax.h (PRINT_OPERAND): Likewise.
12512 * config/vax/vax.md (and<mode>3): Likewise.
12513 (ashrsi3): Likewise.
12515 (movstricthi): Likewise.
12516 (movstrictqi): Likewise.
12517 (rotrsi3): Likewise.
12518 (five unnamed insns): Likewise.
12520 2006-03-16 Geoffrey Keating <geoffk@apple.com>
12522 * doc/tm.texi (SDB and DWARF): Add extra parameter to
12523 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
12524 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
12525 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
12526 Pass to ASM_OUTPUT_DWARF_OFFSET.
12527 * dwarf2out.c (debug_frame_section): New.
12528 (output_call_frame_info): Use debug_frame_section. Pass it to
12529 dw2_asm_output_offset.
12530 (output_die): Pass appropriate section to dw2_asm_output_offset.
12531 (output_compilation_unit_header): Likewise.
12532 (output_pubnames): Likewise.
12533 (output_aranges): Likewise.
12534 (enum dw_val_class): Break dw_val_class_lbl_offset into
12535 dw_val_class_lineptr and dw_val_class_macptr.
12536 (add_AT_lbl_offset): Delete.
12537 (add_AT_lineptr): New.
12538 (add_AT_macptr): New.
12539 (AT_lbl): Expect a lineptr or macptr.
12540 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
12541 (attr_checksum): Likewise.
12542 (same_dw_val_p): Likewise.
12543 (size_of_die): Likewise.
12544 (value_format): Likewise.
12545 (output_die): Likewise.
12546 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
12548 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12549 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
12550 * config/darwin-protos.h (darwin_file_start): New.
12551 (darwin_asm_output_dwarf_offset): New.
12552 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12553 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
12555 * config/darwin.c (darwin_emit_unwind_label): Don't output label
12556 if not EH section; simplify.
12557 (darwin_file_start): New.
12558 (darwin_asm_output_dwarf_offset): New.
12559 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
12561 (DEBUG_INFO_SECTION): Likewise.
12562 (DEBUG_ABBREV_SECTION): Likewise.
12563 (DEBUG_ARANGES_SECTION): Likewise.
12564 (DEBUG_MACINFO_SECTION): Likewise.
12565 (DEBUG_LINE_SECTION): Likewise.
12566 (DEBUG_LOC_SECTION): Likewise.
12567 (DEBUG_PUBNAMES_SECTION): Likewise.
12568 (DEBUG_STR_SECTION): Likewise.
12569 (DEBUG_RANGES_SECTION): Likewise.
12570 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
12571 (ASM_OUTPUT_DWARF_OFFSET): New.
12573 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
12575 * config.gcc (tm_defines): Always add to previous value rather
12578 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12580 * config/mips/predicates.md (splittable_const_int_operand): New,
12581 split from move_operand.
12582 (splittable_symbolic_operand): New.
12583 (move_operand): Add commentary. Use splittable_const_int_operand.
12584 Inline mips_atomic_symbolic_constant_p.
12585 * config/mips/mips.md: Add combine splitters for handling moves
12586 of splittable_const_int_operands and splittable_symbolic_operands.
12587 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
12588 (mips_split_symbol): Declare.
12589 (mips_move_integer): Declare.
12590 * config/mips/mips.c (mips_split_p): Make global.
12591 (TARGET_MIN_ANCHOR_OFFSET): Override default.
12592 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12593 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12594 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
12595 (mips_offset_within_object_p): Handle block symbols.
12596 (mips_atomic_symbolic_constant_p): Delete.
12597 (mips_cannot_force_const_mem): Return false for constants that
12598 mips_legitimize_move can handle.
12599 (mips_use_blocks_for_constant_p): New function.
12600 (mips_split_symbol): Make global.
12601 (mips_move_integer): Likewise. Add a temporary register argument.
12602 (mips_legitimize_const_move): Use splittable_const_int_operand and
12603 splittable_symbolic_operand.
12604 (mips_use_anchors_for_symbol_p): New function.
12605 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
12606 (mips_split_p): Declare.
12608 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12610 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
12611 (mips*-*-linux*): Likewise.
12613 2006-03-16 Roger Sayle <roger@eyesopen.com>
12614 Daniel Speyer <dspeyer@wam.umd.edu>
12616 PR middle-end/18259
12617 * tree-dump.c (dump_real): New function.
12618 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
12619 * Makefile.in (REAL_H): New macro for dependencies on real.h.
12620 (tree-dump.o): Add $(REAL_H) to the dependencies.
12622 2006-03-16 Roger Sayle <roger@eyesopen.com>
12624 PR middle-end/21781
12625 * real.c (real_from_string): If the mantissa is zero, don't bother
12626 parsing the exponent as the result should always be zero.
12628 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
12630 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
12632 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12634 * config/ia64/ia64.c (stops_p): Added explicit initialization.
12635 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
12636 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
12637 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
12638 ia64_sched_finish_global): New static functions to implement
12639 hooks from gcc_target.sched.
12640 (spec_check_no, max_uid, pending_data_specs): New static variables.
12641 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
12642 ia64_spec_check_src_p): New static functions.
12643 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
12644 (TARGET_SCHED_ADJUST_COST): Removed.
12645 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
12646 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
12647 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12648 TARGET_SCHED_GEN_CHECK,
12649 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12650 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
12651 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
12652 Fixed to handle speculation checks.
12653 (rtx_needs_barrier): Fixed to handle speculative loads and
12655 (ia64_variable_issue): Added code to count speculative loads and their
12657 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
12659 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
12661 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
12663 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
12664 (ia64_reorg): Reset stops_p to NULL after it is freed.
12665 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
12666 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
12667 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
12669 (data_speculative, control_speculative, check_load): New attributes.
12670 (mov<mode>_advanced, mov<mode>_speculative,
12671 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
12672 zero_extend<mode>di2_speculative,
12673 zero_extend<mode>di2_speculative_advanced): New patterns for
12674 data and control speculative loads.
12675 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
12677 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
12678 New pattern for data and control speculation checks.
12679 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
12680 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
12681 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
12682 Auxiliary definitions for the patterns.
12683 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
12684 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
12686 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
12688 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
12689 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
12690 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
12691 New resource constraints.
12692 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
12694 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
12695 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
12696 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12697 msched-in-control-spec, msched-ldc, msched-control-ldc,
12698 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12699 msched-prefer-non-control-spec-insns,
12700 msched-count-spec-in-critical-path): New flags to tune speculative
12702 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
12703 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12704 msched-in-control-spec, msched-ldc, msched-control-ldc,
12705 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12706 msched-prefer-non-control-spec-insns,
12707 msched-count-spec-in-critical-path): Document new flags.
12709 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12711 * target.h (struct spec_info_def): New opaque declaration.
12712 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
12713 speculate_insn, needs_block_p, gen_check,
12714 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
12715 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
12716 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
12717 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
12718 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12719 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
12721 (TARGET_SCHED): Use new macros.
12722 * rtl.h (copy_DEPS_LIST_list): New prototype.
12723 * sched-int.h (struct sched_info): Change signature of new_ready field,
12724 adjust all initializations. New fields: add_remove_insn,
12725 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
12726 region_head_or_leaf_p.
12727 (struct spec_info_def): New structure declaration.
12728 (spec_info_t): New typedef.
12729 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
12730 recovery_block, orig_pat.
12731 (glat_start, glat_end): New variables declaraions.
12732 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
12734 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
12735 DETACH_LIFE_INFO, USE_GLAT.
12736 (enum SPEC_SCHED_FLAGS): New enumeration.
12737 (NOTE_NOTE_BB_P): New macro.
12738 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
12739 attach_life_info, debug_spec_status, check_reg_live): New functions.
12740 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
12741 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
12743 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
12744 * ddg.c (get_block_head_tail): Adjust all uses.
12745 * modulo-sched.c (get_block_head_tail): Adjust all uses.
12746 (sms_sched_info): Initialize new fields.
12747 (contributes_to_priority): Removed.
12748 * haifa-sched.c (params.h): New include.
12749 (get_block_head_tail): Adjust all uses.
12750 (ISSUE_POINTS): New macro.
12751 (glat_start, glat_end): New global variables.
12752 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
12753 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
12754 old_last_basic_block, before_recovery, current_sched_info_var,
12755 rgn_n_insns, luid): New static variables.
12756 (insn_cost1): New function. Move logic from insn_cost to here.
12757 (find_insn_reg_weight1): New function. Move logic from
12758 find_insn_reg_weight to here.
12759 (reemit_notes, move_insn, max_issue): Change signature.
12760 (move_insn1): Removed.
12761 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
12762 extend_bb): New static functions to support extension of scheduler's
12764 (generate_recovery_code, process_insn_depend_be_in_spec,
12765 begin_speculative_block, add_to_speculative_block,
12766 init_before_recovery, create_recovery_block, create_check_block_twin,
12767 fix_recovery_deps): New static functions to support
12768 generation of recovery code.
12769 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
12770 restore_bb_notes, move_block_after_check, move_succs): New static
12771 functions to support ebb scheduling.
12772 (init_glat, init_glat1, attach_life_info1, free_glat): New static
12773 functions to support handling of register live information.
12774 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
12775 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
12776 add_jump_dependencies): New static functions.
12777 (check_cfg, has_edge_p, check_sched_flags): New static functions for
12778 consistancy checking.
12779 (debug_spec_status): New function to call from debugger.
12780 (priority): Added code to handle speculation checks.
12781 (rank_for_schedule): Added code to distinguish speculative instructions.
12782 (schedule_insn): Added code to handle speculation checks.
12783 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
12784 Fixed to handle ebbs.
12785 (move_insn): Added code to handle ebb scheduling.
12786 (max_issue): Added code to use ISSUE_POINTS of instructions.
12787 (choose_ready): Added code to choose between speculative and
12788 non-speculative instructions.
12789 (schedule_block): Added code to handle ebb scheduling and scheduling of
12790 speculative instructions.
12791 (sched_init): Initialize new variables.
12792 (sched_finish): Free new variables. Print statistics.
12793 (try_ready): Added code to handle speculative instructions.
12794 * lists.c (copy_DEPS_LIST_list): New function.
12795 * sched-deps.c (extend_dependency_caches): New function. Move logic
12796 from create_dependency_caches to here.
12797 (get_dep_weak, ds_merge): Make global.
12798 * genattr.c (main): Code to output prototype for
12799 dfa_clear_single_insn_cache.
12800 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
12801 (output_dfa_clean_insn_cache_func): Code to output
12802 dfa_clear_single_insn_cache function.
12803 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
12805 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
12807 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
12808 New static variables.
12809 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
12810 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
12812 (ebb_sched_info): Initialize new fields.
12813 (get_block_head_tail): Adjust all uses.
12814 (compute_jump_reg_dependencies): Fixed to use glat_start.
12815 (schedule_ebb): Code to remove unreachable last block.
12816 (schedule_ebbs): Added code to update register live information.
12817 * sched-rgn.c (region_sched_info): Initialize new fields.
12818 (get_block_head_tail): Adjust all uses.
12819 (last_was_jump): Removed. Adjust users.
12820 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
12821 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
12822 Implement new hooks.
12823 (check_dead_notes1): New static function.
12824 (struct region): New fields: dont_calc_deps, has_real_ebb.
12825 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
12826 (BB_TO_BLOCK): Fixed to handle EBBs.
12827 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
12828 (ebb_head): New static variable.
12829 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
12830 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
12832 (compute_dom_prob_ps): New assertion.
12833 (check_live_1, update_live_1): Fixed to work with glat_start instead of
12834 global_live_at_start.
12835 (init_ready_list): New assertions.
12836 (can_schedule_ready_p): Split update code to begin_schedule_ready.
12837 (new_ready): Add support for BEGIN_CONTROL speculation.
12838 (schedule_insns): Fixed code that updates register live information
12840 (schedule_region): Fixed to handle EBBs.
12841 (init_regions): Use extend_regions and check_dead_notes1.
12842 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
12843 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
12844 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
12845 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12846 TARGET_SCHED_GEN_CHECK,
12847 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12848 TARGET_SCHED_SET_SCHED_FLAGS): Document.
12849 * doc/invoke.texi (max-sched-insn-conflict-delay,
12850 sched-spec-prob-cutoff): Document.
12852 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12854 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
12855 inter_tick, queue_index.
12856 (struct sched_info): Change signature of init_ready_list field.
12857 Adjust all initializations.
12858 (RESOLVED_DEPS): New access macro.
12859 (ready_add): Remove prototype.
12860 (try_ready): Add prototype.
12861 * sched-rgn.c (init_ready_list): Use try_ready.
12862 (schedule_region): Initialize
12863 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
12864 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
12865 (init_ready_list): Use try_ready.
12866 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
12867 * lists.c (remove_list_elem): Remove `static'.
12868 (remove_free_INSN_LIST_elem): New function.
12869 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
12870 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
12871 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
12873 (readyp): New variable.
12874 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
12875 change_queue_index, resolve_dep): New static functions.
12876 (try_ready): New function. Adjust callers in sched-rgn.c and
12877 sched-ebb.c to use it instead of ready_add.
12878 (clock_var): Move at the begining of file.
12879 (rank_for_schedule): Fix typo.
12880 (queue_insn): Add assertion. Handle QUEUE_INDEX.
12881 (ready_lastpos): Enforce assertion.
12882 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
12883 update all callers.
12884 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
12885 (schedule_insn): Rewrite to use try_ready and resolve_dep.
12886 (queue_to_ready): Use free_INSN_LIST_list.
12887 (early_queue_to_ready): Fix typo.
12888 (schedule_block): Init readyp. Move init_ready_list call after the
12889 initialization of clock_var. Fix error in rejecting insn by
12890 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
12891 that previously corrected INSN_TICKs. Add code for handling
12893 (set_priorities): Fix typo.
12894 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
12895 Clarify comment and code that keeps current_sched_info->next_tail
12898 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12900 * sched-rgn.c (extend_rgns): New static function.
12901 (find_rgns): Use it.
12902 (gather_region_statistics, print_region_statistics): New static
12904 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
12905 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
12907 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12908 Andrey Belevantsev <abel@ispras.ru>
12910 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
12911 * lists.c (unused_deps_list): New variable.
12912 (free_list): Add assertions to verify the proper distinguishing
12913 between INSN_LISTs and DEPS_LISTs.
12914 (find_list_elem, remove_list_elem, remove_list_node): New static
12916 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
12917 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
12918 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
12919 (alloc_INSN_LIST): Assert that the list we're working on is indeed
12921 (free_INSN_LIST_node): Likewise.
12922 * modulo-sched.c (current_sched_info): Initialize flags field.
12923 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
12924 * rtl.def (DEPS_LIST): Define.
12925 * rtl.h: Declare new functions from lists.c.
12926 * sched-deps.c (spec_dependency_cache): New static variable.
12927 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
12928 (add_dependence): Change return type to void. Move the logic to ...
12929 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
12930 (delete_all_dependences): Add comment about forward_dependency_cache.
12931 Handle spec_dependency_cache. Handle DEPS_LISTs.
12932 (fixup_sched_groups): Clarify the change of priority of output
12933 and anti dependencies.
12934 (sched_analyze_2): Adjust add_dependence calls to create data
12935 speculative dependence.
12936 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
12937 Adjust all callers. Handle DEPS_LISTS.
12938 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
12939 presence of speculation.
12940 (init_dependency_caches, free_dependency_caches):
12941 Handle spec_dependency_cache.
12942 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
12943 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
12944 New static functions.
12945 (add_or_update_back_dep, add_or_update_back_forw_dep,
12946 add_back_forw_dep, delete_back_forw_dep): New functions.
12947 * sched-int.h (ds_t, dw_t): New typedefs.
12948 (struct sched_info): Add new field flags.
12949 (struct haifa_insn_data): Add new bitfield has_internal_dep.
12950 Prototype new sched-deps.c functions.
12951 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
12952 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
12953 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
12954 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
12955 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
12956 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
12958 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
12960 * sched-rgn.c (current_sched_info): Initialize flags field.
12961 (schedule_insns): Initialize current_sched_info before the sched_init
12963 * sched-ebb.c (current_sched_info): Initialize flags field.
12964 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
12965 Call add_or_update_back_dep instead of add_dependence.
12966 Create control speculative dependencies.
12967 (schedule_insns): Initialize current_sched_info before the sched_init
12970 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
12972 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
12974 (sh_fallback_frame_state): Likewise.
12976 2006-03-15 Geoffrey Keating <geoffk@apple.com>
12978 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
12979 Do switch on default_use_cxa_atexit.
12980 (powerpc*-*-darwin*): Build crt2.o on powerpc.
12981 * config/darwin-crt3.o: New.
12982 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
12983 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
12984 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
12986 * config/rs6000/t-darwin: Move crt2.o building to here.
12987 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
12988 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
12991 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12993 * config/vax/vax.c (nonindexed_address_p): Change logical negation
12994 from '! xxx' to '!xxx' for coding-style conformance.
12995 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
12996 (EXTRA_CONSTRAINT): Likewise.
12997 * config/vax/vax.md (four unnamed insns): Likewise.
12999 2006-03-15 Paul Brook <paul@codesourcery.com>
13001 * config/arm/arm.c (minipool_pad): New.
13002 (add_minipool_forward_ref): Include pool alignment padding in address
13004 (push_minipool_fix): Set minipool_pad.
13005 (minipool_pad): Ditto.
13007 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13009 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
13010 instead of GET_CODE() == MEM and REG_P() instead of
13012 (print_operand_address): Likewise.
13013 (vax_address_cost): Likewise.
13014 (vax_rtx_costs): Likewise.
13015 (vax_notice_update_cc): Likewise.
13016 (vax_output_int_add): Likewise.
13017 (INDEX_REGISTER_P): Likewise.
13018 (BASE_REGISTER_P): Likewise.
13019 (nonindexed_address_p): Likewise.
13020 (vax_mode_dependent_address_p): Likewise.
13021 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
13022 (PRINT_OPERAND): Likewise.
13023 * config/vax/vax.md (ashlsi3): Likewise.
13024 (ashlsi3): Likewise.
13025 (some more unnamed insns): Likewise.
13027 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
13029 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
13030 iterator-style macro.
13031 (mark_control_dependent_edges_necessary): Update the use of
13032 EXECUTE_IF_CONTROL_DEPENDENT.
13034 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
13036 * config/sh/predicates.md (cache_address_operand): Special.
13037 (ua_address_operand): Likewise.
13039 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
13041 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
13043 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
13045 2006-03-15 Andreas Schwab <schwab@suse.de>
13047 * gensupport.c (identify_predicable_attribute): Don't free p_false
13048 when it is still in use.
13050 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
13052 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
13053 the default setting here.
13055 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
13057 * tree-pass.h (pass_cfg): Remove.
13058 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
13059 * passes.c (pass_cfg): Don't run it.
13061 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
13063 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
13064 * reg-stack.c (stack_regs_mentioned_data): Change the type to
13066 (stack_regs_mentioned): Update the uses of
13067 stack_regs_mentioned_data. Don't access the array beyond its
13069 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
13070 Don't include gt-reg-stack.h.
13072 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
13073 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
13075 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
13077 PR middle-end/26684
13078 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
13081 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13083 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
13085 2006-03-14 Richard Guenther <rguenther@suse.de>
13087 PR tree-optimization/26672
13088 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
13091 2006-03-14 Richard Guenther <rguenther@suse.de>
13093 PR tree-optimization/26667
13094 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
13095 node for the callees. Always allow inlining if it will shrink
13098 2006-03-14 Richard Guenther <rguenther@suse.de>
13100 PR middle-end/26659
13101 * builtins.c (get_pointer_alignment): Prefer alignment
13102 information from decls over that from types.
13104 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
13107 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
13109 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
13111 * config/rs6000/rs6000.opt (mdlmzb): New option.
13112 (msched-prolog, msched-epilog): Use Var not Mask.
13113 * doc/invoke.texi (-mdlmzb): Document.
13114 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
13116 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
13117 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
13119 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
13121 PR rtl-optimization/25739
13122 * bt-load.c (augment_live_range): Free tos pointer.
13124 * gensupport.c (identify_predicable_attribute): Free
13126 * gcov.c (create_file_names): Free name pointer.
13128 2006-03-13 Roger Sayle <roger@eyesopen.com>
13130 PR middle-end/26557
13131 * stmt.c (emit_case_nodes): Handle the case where the index is a
13132 CONST_INT, where the comparison mode is specified by the index type.
13134 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13136 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
13139 2006-03-13 Richard Sandiford <richard@codesourcery.com>
13141 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
13142 (*branch_fp_inverted): Likewise.
13144 2006-03-13 Jakub Jelinek <jakub@redhat.com>
13146 PR middle-end/25989
13147 * omp-low.c (expand_omp_for_generic): Mark istart0
13148 and iend0 as addressable.
13150 2006-03-13 Jie Zhang <jie.zhang@analog.com>
13152 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
13154 2006-03-13 Jeff Law <law@redhat.com>
13156 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
13157 virtual operands are interesting.
13158 (vrp_visit_stmt): Corresponding changes.
13160 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
13162 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
13164 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
13165 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
13166 * config/bfin/crti.S: Use it instead of __PIC__.
13167 * config/bfin/crtn.S: Likewise.
13169 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
13170 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
13172 Lose 'G' modifier for call operand.
13173 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
13174 recognize 'G' modifier.
13176 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
13178 PR middle-end/18859
13179 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
13180 * stmt.c (expand_case): Likewise.
13182 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13184 PR rtl-optimization/26254
13185 * loop-invariant.c (seq_insns_valid_p): New function.
13186 (move_invariant_reg): Only emit new code if it is valid.
13188 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13190 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
13192 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
13193 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
13194 (commit_one_edge_insertion): Do not look for loop notes.
13196 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13198 * jump.c (follow_jumps): Do not check for loop notes. Move check for
13199 flag_test_coverage out of loop.
13201 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13203 * final.c (shorten_branches): Remove outdated comment, and turn
13204 the if branch that guards it to continue.
13206 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13208 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
13209 * cfgloop.h (struct loop): Remove unused fields.
13211 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
13213 * doc/invoke.texi (-fdump-rtl-loop): Remove.
13214 (-dL, -fdump-rtl-loop2): Update the dump file names
13216 * doc/invoke.texi: Update dump file names.
13218 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
13220 * predict.c (estimate_probability): Remove.
13221 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
13222 * basic-block.h (estimate_probability): Remove prototype.
13223 * passes.c (finish_optimization_passes): Dump branch prediction or
13224 profiling heuristics to the .profile tree dump.
13225 (init_optimization_passes): Unqueue pass_branch_prob.
13227 * doc/invoke.texi (-fdump-rtl-bp): Remove.
13229 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13231 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
13232 * rtl.h (LABEL_NEXTREF): Remove field accessor.
13234 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
13236 * function.h (frame_offset_overflow): Declare.
13237 * function.c (frame_offset_overflow): New function.
13238 (assign_stack_local_1): Call it to detect that the offset overflows.
13239 * cfgexpand.c (alloc_stack_frame_space): Likewise.
13241 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13243 * config/sh/sh.c: Include alloc-pool.h.
13244 (label_ref_list_pool): New alloc pool.
13245 (label_ref_list_t): New type for lists of labels.
13246 (struct pool_node): Make wend a label_ref_list_t.
13247 (add_constant): Use the new type, eradicate LABEL_NEXTREF
13249 (dump_table): Likewise.
13250 (sh_reorg): Set up the alloc pool before using add_constant and
13251 dump_table, and destroy it when finishing.
13253 2006-03-11 Richard Sandiford <richard@codesourcery.com>
13255 * config/mips/mips.c: Remove redundant comment.
13257 2006-03-10 Jason Merrill <jason@redhat.com>
13260 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
13261 the target was declared 'register'.
13263 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
13265 * genpreds.c (write_insn_constraint_len): Change definition of
13266 insn_constraint_len to return size_t to match the declaration.
13268 2006-03-10 DJ Delorie <dj@redhat.com>
13270 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
13272 (m32c_expand_insv): Fix test for an AND mask.
13274 2006-03-10 Richard Guenther <rguenther@suse.de>
13276 PR middle-end/26565
13277 * builtins.c (get_pointer_alignment): Handle component
13278 references for field alignment.
13280 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13282 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
13283 when building with libgloss.
13284 (sh*elf): Implement --without-fp option.
13285 (sh64-superh-linux*): Don't multilib.
13287 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13289 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
13291 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
13293 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
13294 Set it when one of the replacement functions returned true.
13295 Return TODO_cleanup_cfg if cfgchanged is true.
13296 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
13298 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
13300 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
13301 instead of gen_lowpart.
13303 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13305 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
13307 (mips_output_order_conditional_branch): Declare.
13308 * config/mips/mips.h (MIPS_BRANCH): New macro.
13309 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
13310 for the comparison. Use gen_condjump.
13311 (mips_output_conditional_branch): Rework interface to take the
13312 asm templates for a direct branch and the inverse of a direct branch.
13313 (mips_output_order_conditional_branch): New function.
13314 (mips_builtin_branch_and_move): New function.
13315 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
13316 branch condition. Use gen_single_cc as the condition for
13317 __builtin_mips_upper_* or __builtin_mips_lower_*.
13318 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
13319 Use VOIDmode for the branch condition.
13320 * config/mips/predicates.md (order_operator): New predicate.
13321 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
13322 (branch_fp): Rename to...
13323 (*branch_fp): ...this. Remove mode from comparison operator.
13324 Use new mips_output_conditional_branch interface.
13325 (branch_fp_inverted): Rename to...
13326 (*branch_fp_inverted): ...this and update as for *branch_fp.
13327 (*branch_zero<mode>): Rename to...
13328 (*branch_order<mode>): ...this. Remove mode from comparison operator.
13329 Use mips_output_order_conditional_branch. Only accept ordered
13331 (*branch_zero<mode>_inverted): Rename to...
13332 (*branch_order<mode>_inverted): ...this and update as for
13333 *branch_order<mode>.
13334 (*branch_equality<mode>): Accept zero as the second operand to
13335 the equality operator. Use the new mips_output_conditional_branch
13337 (*branch_equality<mode>_inverted): Likewise.
13338 (condjump): New expander.
13339 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
13341 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
13342 (bc1any2t, bc1any2f): Likewise.
13343 (single_cc): New expander.
13344 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
13346 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13348 * doc/md.texi: Update documentation of MIPS constraints.
13349 * config/mips/constraints.md: New file.
13350 * config/mips/mips.md: Include it.
13351 * config/mips/mips.c (mips_char_to_class): Delete.
13352 (override_options): Don't initialize mips_char_to_class.
13353 * config/mips/mips.h (mips_char_to_class): Delete.
13354 (REG_CLASS_FROM_LETTER): Delete.
13355 (CONST_OK_FOR_LETTER_P): Delete.
13356 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13357 (EXTRA_CONSTRAINT_Y): Delete.
13358 (EXTRA_CONSTRAINT_STR): Delete.
13359 (CONSTRAINT_LEN): Delete.
13360 (EXTRA_MEMORY_CONSTRAINT): Delete.
13362 2006-03-09 Diego Novillo <dnovillo@redhat.com>
13364 * tree-cfg.c (move_block_to_fn): Remove the statements from the
13365 original fn's eh regions.
13367 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
13369 * fold-const.c (build_range_check): Make sure to use a valid type to
13370 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
13373 (range_predecessor): New static function.
13374 (range_successor): Likewise.
13375 (merge_ranges): Use them to compute predecessors and successors of
13378 2006-03-09 Roger Sayle <roger@eyesopen.com>
13380 PR middle-end/26561
13381 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
13382 X op C3, consider whether C3 overflows towards +Inf or -Inf.
13384 2006-03-08 DJ Delorie <dj@redhat.com>
13386 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
13387 (addpsi3): Expand to include memory operands. Remove
13388 reload-specific splits.
13389 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
13390 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
13391 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
13392 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
13393 (shift1_qi, shift1_hi, insv): New.
13394 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
13395 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
13396 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
13398 * config/m32c/m32c-protos.h: Update as needed.
13399 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
13400 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
13401 Fail for unrecognized R* constraints.
13402 (m32c_cannot_change_mode_class): Be more picky about pseudos.
13403 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
13404 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
13406 (m32c_init_libfuncs): New.
13407 (m32c_legitimate_address_p): Add debug wrapper.
13408 (m32c_rtx_costs): New.
13409 (m32c_address_cost): New.
13410 (conversions): Add 'B' prefix.
13411 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
13412 operands, or word regnames for QI operands. 'B' prints bit
13414 (m32c_expand_setmemhi): New.
13415 (m32c_expand_movmemhi): New.
13416 (m32c_expand_movstr): New.
13417 (m32c_expand_cmpstr): New.
13418 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
13419 (m32c_expand_neg_mulpsi3): Handle non-ints.
13420 (m32c_cmp_flg_0): New.
13421 (m32c_expand_movcc): New.
13422 (m32c_expand_insv): New.
13423 (m32c_scc_pattern): New.
13424 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
13425 a0/a1 out of SIregs.
13426 (STORE_FLAG_VALUE): New.
13427 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
13430 * config/m32c/mov.md: Make constraints more liberal.
13431 (zero_extendqihi2): Optimize r0/r1 case.
13432 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
13433 * config/m32c/predicates.md (m32c_any_operand): New.
13434 (m32c_nonimmediate_operand): New.
13435 (m32c_hl_operand): New.
13436 (m32c_r3_operand): New.
13439 (memsym_operand): New.
13440 (memimmed_operand): New.
13441 (a_qi_operand): New.
13442 (m32c_eqne_operator): New.
13443 (m32c_1bit8_operand): New.
13444 (m32c_1bit16_operand): New.
13445 (m32c_1mask8_operand): New.
13446 (m32c_1mask16_operand): New.
13447 * config/m32c/blkmov.md: New file.
13448 * config/m32c/t-m32c (MD_FILES): Add blkmov.
13450 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
13452 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
13453 unsigned to fix signed/unsigned comparison issue in
13454 DWARF2_FRAME_REG_OUT.
13455 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
13456 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
13458 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
13459 of ptr into the ENABLE_CHECKING section.
13461 2006-03-08 Jeff Law <law@redhat.com>
13463 * tree-vrp.c (infer_value_range): Only count pointer uses
13464 and dereferences if -fdelete-null-pointer-checks is enabled.
13466 * tree-vrp.c (find_assert_locations): Infer value ranges for
13467 single use pointers, but do not create ASSERT_EXPRs for them.
13468 When a non-null range is inferred for a pointer, backwards
13469 propagate that range to other equivalent pointers through the
13472 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
13475 * Makefile.in (dvi, html, install-info): Invoke the corresponding
13476 language hook targets.
13477 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
13478 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
13479 if language hook targets were missing.
13481 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
13483 * tree-ssa-opfinalize.h: Removed.
13484 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
13486 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
13487 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
13488 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
13489 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
13490 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
13491 finalize_ssa_v_must_def_ops): New.
13493 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
13495 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
13496 block as parameter.
13498 2006-03-07 Geoffrey Keating <geoffk@apple.com>
13500 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
13502 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
13503 addresses with offsets; reorganize.
13505 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
13506 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
13507 (expand_builtin_init_dwarf_reg_sizes): Likewise.
13509 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
13512 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
13514 2006-03-08 Ben Elliston <bje@au.ibm.com>
13516 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
13518 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
13521 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
13524 2006-03-07 Richard Guenther <rguenther@suse.de>
13526 PR tree-optimization/26587
13527 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
13529 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13531 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
13533 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13535 * hooks.c (hook_bool_mode_rtx_true): New function.
13536 * hooks.h (hook_bool_mode_rtx_true): Declare.
13537 * toplev.c (compile_file): Call output_shared_constant_pool.
13538 * varasm.c (shared_constant_pool): New variable.
13539 (assemble_start_function, assemble_end_function): Remove arguments
13540 from call to output_constant_pool.
13541 (create_constant_pool): New function, split out from...
13542 (init_varasm_status): ...here.
13543 (force_const_mem): Choose between the shared and per-function constant
13544 pools. Set current_function_uses_const_pool when reusing old entries
13545 as well as when creating new ones.
13546 (mark_constant): Ignore data argument.
13547 (mark_constants): Remove pool argument.
13548 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
13549 to decide whether the function uses a constant pool.
13550 (output_constant_pool_contents): New function, split out from...
13551 (output_constant_pool): ...here.
13552 (output_shared_constant_pool): New function.
13553 (init_varasm_once): Initialize shared_constant_pool.
13554 * output.h (output_constant_pool): Delete.
13555 (output_shared_constant_pool): Declare.
13556 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
13557 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
13559 2006-03-06 Nick Clifton <nickc@redhat.com>
13561 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
13562 flag_strength_reduce.
13564 2006-03-06 Ben Elliston <bje@au.ibm.com>
13566 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
13567 x86_64-*-linux* configurations.
13569 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
13570 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
13572 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13574 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
13576 * basic-block.h: Remove the extern for
13577 rediscover_loops_after_threading.
13579 * cfgloop.c (cancel_loop): Make it static.
13580 * cfgloop.h: Remove the prototype for cancel_loop.
13582 * flow.c (recompute_reg_usage): Make it static.
13583 * rtl.h: Remove the prototype for recompute_reg_usage.
13585 * function.c (use_return_register): Make it static.
13586 * function.h: Remove the prototype.
13588 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13590 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
13592 * recog.h: Remove the prototype for
13593 validate_change_maybe_volatile.
13595 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13597 * rtlanal.c (replace_reg): Remove.
13598 * rtl.h: Remove the prototype for replace_reg.
13600 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13602 * regclass.c (reg_scan_update): Remove.
13603 (reg_scan_mark_refs): Remove the last argument.
13604 * rtl.h: Remove the prototype for reg_scan_update.
13606 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13608 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
13609 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
13610 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
13611 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
13612 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
13613 loop-invariant.c, omp-low.c, opts.c, passes.c,
13614 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
13615 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
13616 tree-ssa-structalias.c, tree-ssa-threadedge.c,
13617 tree-ssa-threadupdate.c, tree-vect-patterns.c,
13618 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
13619 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
13621 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13623 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
13624 * dwarf2out.h: Remove the prototype for
13625 dwarf2out_add_library_unit_info.
13627 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13629 * tree.c (add_var_to_bind_expr): Remove.
13630 * tree.h: Remove the prototype for add_var_to_bind_expr.
13632 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13634 * regclass.c (n_non_fixed_regs): Remove.
13635 (init_reg_sets_1, globalize_reg): Remove all uses of
13637 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
13639 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13641 * rtlanal.c (insns_safe_to_move_p): Remove.
13642 * rtl.h: Remove the prototype for insns_safe_to_move_p.
13644 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13646 * expmed.c (expand_mult_add): Remove.
13647 * expr.h: Remove the prototype for expand_mult_add.
13649 2006-03-04 Jakub Jelinek <jakub@redhat.com>
13651 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
13652 and REG_SAVED_VAL_EXP constants.
13653 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
13654 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
13655 Handle regs stored by value.
13656 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
13657 (execute_cfa_program): Handle DW_CFA_val_offset,
13658 DW_CFA_val_offset_sf and DW_CFA_val_expression.
13659 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
13660 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
13661 (uw_install_context_1): Handle target regs stored by value.
13663 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
13665 * tree-sra.c (tree_sra): Return todoflags;
13666 (generate_one_element): Set TODO_update_smt_usage if needed.
13667 (pass_sra): Remove TODO_update_smt_usage.
13668 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
13670 (tree_ssa_forward_propagate_single_use_vars): Return
13671 TODO_update_smt_usage if we need to update SMT usage.
13672 (pass_forwprop): Remove TODO_update_smt_usage.
13674 2006-03-03 Diego Novillo <dnovillo@redhat.com>
13676 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
13677 (correct_use_link): Remove reference to get_stmt_operands.
13678 (update_stmt_operands): Likewise.
13679 (get_modify_expr_operands): New function factored out of
13680 parse_ssa_operands and get_expr_operands.
13681 Try to create V_MUST_DEFs for LHS by default.
13682 (get_expr_operands) <case MODIFY_EXPR>: Call
13683 get_modify_expr_operands.
13684 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
13685 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
13686 (parse_ssa_operands) <case MODIFY_EXPR>: Call
13687 get_modify_expr_operands.
13689 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
13691 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
13692 * tree-flow.h: Remove the prototype for
13693 referenced_var_lookup_if_exists.
13695 2006-03-03 Steve Ellcey <sje@cup.hp.com>
13697 PR rtl-optimization/26345
13699 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
13701 2006-03-03 Roger Sayle <roger@eyesopen.com>
13703 PR tree-optimization/26524
13704 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
13705 fold_convert to create a constant of the appropriate type.
13707 2006-03-03 Richard Sandiford <richard@codesourcery.com>
13709 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13710 SYMBOL_REF_IN_BLOCK_P.
13711 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
13712 of SYMBOL_FLAG_IN_BLOCK.
13713 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
13714 instead of SYMBOL_REF_IN_BLOCK_P.
13715 * explow.c (use_anchored_address): Likewise.
13716 * rtl.c (rtx_size): Likewise.
13717 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
13718 instead of SYMBOL_FLAG_IN_BLOCK.
13719 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13720 SYMBOL_REF_IN_BLOCK_P.
13721 (assemble_variable): Likewise.
13722 (output_constant_def_contents): Likewise.
13723 (output_constant_pool): Likewise.
13724 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
13725 instead of SYMBOL_FLAG_IN_BLOCK.
13726 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13727 SYMBOL_REF_IN_BLOCK_P.
13728 (SYMBOL_REF_BLOCK): Likewise.
13729 (SYMBOL_REF_OFFSET): Likewise.
13730 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13731 SYMBOL_REF_IN_BLOCK_P.
13732 (SYMBOL_FLAG_IN_BLOCK): Replace with...
13733 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
13734 (SYMBOL_REF_IN_BLOCK_P): Replace with...
13735 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
13737 2006-03-03 Jakub Jelinek <jakub@redhat.com>
13739 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
13741 2006-03-02 Roger Sayle <roger@eyesopen.com>
13743 * simplify-rtx.c (simplify_unary_operation): When simplifying
13744 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
13745 that we perform the right shift in the appropriate mode, and
13746 then extend or truncate the result to requested mode.
13748 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
13750 * gengtype.c (main): Handle double_int type.
13751 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
13752 * double-int.c: New file.
13753 * double-int.h: New file.
13754 * system.h: Include doubleint.h.
13755 * Makefile.in (SYSTEM_H): Include double-int.h.
13756 (double-int.o): Add.
13758 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
13761 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
13764 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13766 * tree-vrp.c (remove_range_assertions): Do not update statements
13769 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13771 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
13773 * gcse.c (rest_of_handle_gcse): Ditto.
13774 * except.c (gate_handle_eh): Ditto.
13775 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
13776 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
13778 2006-03-02 Eric Christopher <echristo@apple.com>
13780 * config/i386/i386.c (machopic_output_stub): Add indirection to
13783 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13787 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
13789 Sun Niagara specific optimizations.
13790 * config.gcc: Recognize niagara as target.
13791 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
13792 (TARGET_CPU_niagara): Define.
13793 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
13794 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
13795 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13796 (ASM_CPU_SPEC): Likewise.
13797 (PROCESSOR_NIAGARA): New enum entry.
13798 (REGISTER_MOVE_COST): Handle Niagara.
13799 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
13800 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
13801 (sparc_override_options): Recognize "niagara", set appropriate
13802 default MASK_* values for it, and align functions to 32-bytes
13803 by default just like ULTRASPARC/ULTRASPARC3.
13804 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
13805 (sparc64_initialize_trampoline): Likewise.
13806 (sparc_use_sched_lookahead): Use zero for niagara.
13807 (sparc_issue_rate): Use one for niagara.
13808 * config/sparc/niagara.md: New file.
13809 * config/sparc/sparc.md: Include it.
13810 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
13811 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
13812 when default cpu is niagara.
13813 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13814 (ASM_CPU_SPEC): Likewise.
13815 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
13816 when default cpu is niagara.
13817 (ASM_CPU_SPEC): Handle -mcpu=niagara.
13818 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
13819 just like v9/ultrasparc/ultrasparc3.
13820 * doc/invoke.texi: Add documentation for "niagara" and improve
13821 existing documentation for ultrasparc variants.
13823 2006-03-02 Diego Novillo <dnovillo@redhat.com>
13825 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
13827 2006-03-02 Richard Sandiford <richard@codesourcery.com>
13829 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
13830 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
13831 and say that only one is needed.
13832 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
13833 * target.h (have_switchable_bss_sections): New hook.
13834 * explow.c (use_anchored_address): Check that the symbol is in a block.
13835 * varasm.c (tls_comm_section, comm_section, lcomm_section)
13836 (bss_noswitch_section): New variables.
13837 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
13838 (get_noswitch_section): New function.
13839 (get_block_for_section): Allow SECT to be null.
13840 (unlikely_text_section_p): Use SECTION_STYLE.
13841 (bss_initializer_p): New function.
13842 (get_variable_section): Move earlier in file. Take a new argument,
13843 prefer_noswitch_p. Move bss checks from assemble_variable to here.
13844 Return one of the new *_sections in such cases.
13845 (get_block_for_decl): New function, extracting some logic from
13846 use_blocks_for_decl_p.
13847 (change_symbol_section): Remove in favor of...
13848 (change_symbol_block): ...this new function.
13849 (use_blocks_for_decl_p): Remove checks now performed by
13850 get_block_for_decl.
13851 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
13852 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
13853 (emit_local, emit_bss, emit_common): ...these new functions.
13854 Return true if the alignment was honored.
13855 (emit_tls_common): New function.
13856 (asm_emit_uninitialised): Delete.
13857 (assemble_variable_noswitch): New function, split out from...
13858 (assemble_variable): ...here. Don't make decisions about common
13859 variables here. Globalize all public decls that go into non-common
13860 sections. Check whether SYMBOL_REF_BLOCK is null.
13861 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
13862 (output_constant_pool): Likewise.
13863 (init_varasm_once): Initialize the new section variables.
13864 (have_global_bss_p): New function.
13865 (categorize_decl_for_section): Use bss_initializer_p.
13866 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
13867 (place_block_symbol): Assert that the symbol must be in a block.
13868 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
13869 (TARGET_INITIALIZER): Include it.
13870 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
13871 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
13872 (SECTION_MACH_DEP): Bump by two.
13873 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
13874 (unnamed_section): Mention SECTION_UNNAMED in comment.
13875 (named_section): Likewise SECTION_NAMED.
13876 (noswitch_section_callback): New type.
13877 (noswitch_section): New structure.
13878 (section): Add a noswitch_section alternative.
13879 (SECTION_STYLE): New macro.
13880 (tls_comm_section, comm_section, lcomm_section): Declare.
13881 (bss_noswitch_section, have_global_bss_p): Declare.
13882 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13883 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13885 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13886 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13889 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
13891 * tree-vrp.c (execute_vrp): Return value.
13892 * regrename.c (rest_of_handle_regrename): Ditto.
13893 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
13894 * tree-complex.c (tree_lower_complex): Ditto.
13895 (tree_lower_complex_O0): Ditto.
13896 * tracer.c (rest_of_handle_tracer): Ditto.
13897 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
13898 * postreload.c (rest_of_handle_postreload): Ditto.
13899 * tree-tailcall.c (execute_tail_recursion): Ditto.
13900 (execute_tail_calls): Ditto.
13901 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13902 * tree.h (init_function_for_compilation): Ditto.
13903 * ipa-cp.c (ipcp_driver): Ditto.
13904 * tree-scalar-evolution.c (scev_const_prop): Ditto.
13905 * tree-scalar-evolution.h (scev_const_prop): Ditto.
13906 * final.c (compute_alignments): Ditto.
13907 (rest_of_handle_final): Ditto.
13908 (rest_of_handle_shorten_branches): Ditto.
13909 (rest_of_clean_state): Ditto.
13910 * omp-low.c (execute_expand_omp): Ditto.
13911 (execute_lower_omp): Ditto.
13912 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
13913 * ipa-reference.c (static_execute): Ditto.
13914 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
13915 * reorg.c (rest_of_handle_delay_slots): Ditto.
13916 (rest_of_handle_machine_reorg): Ditto.
13917 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
13918 * flow.c (recompute_reg_usage): Ditto.
13919 (rest_of_handle_remove_death_notes): Ditto.
13920 (rest_of_handle_life): Ditto.
13921 (rest_of_handle_flow2): Ditto.
13922 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
13923 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
13924 (do_ssa_store_ccp): Ditto.
13925 (execute_fold_all_builtins): Ditto.
13926 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
13927 * modulo-sched.c (rest_of_handle_sms): Ditto.
13928 * ipa-pure-const.c (static_execute): Ditto.
13929 * cse.c (rest_of_handle_cse): Ditto.
13930 (rest_of_handle_cse2): Ditto.
13931 * web.c (rest_of_handle_web): Ditto.
13932 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
13933 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
13934 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
13935 * tree-nrv.c (tree_nrv): Ditto.
13936 (execute_return_slot_opt): Ditto.
13937 * tree-ssa-alias.c (compute_may_aliases): Ditto.
13938 (create_structure_vars): Ditto.
13939 * loop-init.c (rtl_loop_init): Ditto.
13940 (rtl_loop_done): Ditto.
13941 (rtl_move_loop_invariants): Ditto.
13942 (rtl_unswitch): Ditto.
13943 (rtl_unroll_and_peel_loops): Ditto.
13944 (rtl_doloop): Ditto.
13945 * gimple-low.c (lower_function_body): Ditto.
13946 (mark_used_blocks): Ditto.
13947 * tree-ssa-sink.c (execute_sink_code): Ditto.
13948 * ipa-inline.c (cgraph_decide_inlining): Ditto.
13949 (cgraph_early_inlining): Ditto.
13950 * global.c (rest_of_handle_global_alloc): Ditto.
13951 * jump.c (cleanup_barriers): Ditto.
13952 (purge_line_number_notes): Ditto.
13953 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
13954 (rest_of_handle_if_after_reload): Ditto.
13955 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
13956 (tree_ssa_loop_im): Ditto.
13957 (tree_ssa_loop_unswitch): Ditto.
13958 (tree_vectorize): Ditto.
13959 (tree_linear_transform): Ditto.
13960 (tree_ssa_loop_ivcanon): Ditto.
13961 (tree_ssa_empty_loop): Ditto.
13962 (tree_ssa_loop_bounds): Ditto.
13963 (tree_complete_unroll): Ditto.
13964 (tree_ssa_loop_prefetch): Ditto.
13965 (tree_ssa_loop_ivopts): Ditto.
13966 (tree_ssa_loop_done): Ditto.
13967 * predict.c (tree_estimate_probability): Ditto.
13968 * recog.c (split_all_insns_noflow): Ditto.
13969 (rest_of_handle_peephole2): Ditto.
13970 (rest_of_handle_split_all_insns): Ditto.
13971 * tree-eh.c (lower_eh_constructs): Ditto.
13972 * regmove.c (rest_of_handle_regmove): Ditto.
13973 (rest_of_handle_stack_adjustments): Ditto.
13974 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
13975 * function.c (instantiate_virtual_regs): Ditto.
13976 (init_function_for_compilation): Ditto.
13977 (rest_of_handle_check_leaf_regs): Ditto.
13978 * gcse.c (rest_of_handle_jump_bypass): Ditto.
13979 (rest_of_handle_gcse): Ditto.
13980 * ipa-type-escape.c (type_escape_execute): Ditto.
13981 * alias.c (rest_of_handle_cfg): Ditto.
13982 * tree-if-conv.c (main_tree_if_conversion): Ditto.
13983 * profile.c (rest_of_handle_branch_prob): Ditto.
13984 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
13985 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
13986 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
13987 * tree-dfa.c (find_referenced_vars): Ditto.
13988 * except.c (set_nothrow_function_flags): Ditto.
13989 (convert_to_eh_region_ranges): Ditto.
13990 (rest_of_handle_eh): Ditto.
13991 * emit-rtl.c (unshare_all_rtl): Ditto.
13992 (remove_unnecessary_notes): Ditto.
13993 * except.h (set_nothrow_function_flags): Ditto.
13994 (convert_to_eh_region_ranges): Ditto.
13995 * cfgexpand.c (tree_expand_cfg): Ditto.
13996 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
13997 * tree-ssa-pre.c (do_pre): Ditto.
13998 (execute_fre): Ditto.
13999 * cfgcleanup.c (rest_of_handle_jump): Ditto.
14000 (rest_of_handle_jump2): Ditto.
14001 * tree-sra.c (tree_sra): Ditto.
14002 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
14003 (execute_mudflap_function_decls): Ditto.
14004 * tree-ssa-copy.c (do_copy_prop): Ditto.
14005 (do_store_copy_prop): Ditto.
14006 * ipa-prop.h (ipcp_driver): Ditto.
14007 * cfglayout.c (insn_locators_initialize): Ditto.
14008 * tree-ssa-forwprop.c
14009 (tree_ssa_forward_propagate_single_use_vars): Ditto.
14010 * cfglayout.h (insn_locators_initialize): Ditto.
14011 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
14012 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
14013 (execute_late_warn_uninitialized): Ditto.
14014 * rtl.h (cleanup_barriers): Ditto.
14015 (split_all_insns_noflow): Ditto.
14016 (purge_line_number_notes): Ditto.
14017 (unshare_all_rtl): Ditto.
14018 (remove_unnecessary_notes): Ditto.
14019 (recompute_reg_usage): Ditto.
14020 (variable_tracking_main): Ditto.
14021 * integrate.c (emit_initial_value_sets): Ditto.
14022 * integrate.h (emit_initial_value_sets): Ditto.
14023 * tree-optimize.c (execute_free_datastructures): Ditto
14024 (execute_free_cfg_annotations): Ditto.
14025 (execute_fixup_cfg): Ditto.
14026 (execute_cleanup_cfg_pre_ipa): Ditto.
14027 (execute_cleanup_cfg_post_optimizing): Ditto.
14028 (execute_init_datastructures): Ditto.
14029 * tree-object-size.c (compute_object_sizes): Ditto.
14030 * combine.c (rest_of_handle_combine): Ditto.
14031 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
14032 * bb-reorder.c (duplicate_computed_gotos): Ditto.
14033 (rest_of_handle_reorder_blocks): Ditto.
14034 (rest_of_handle_partition_blocks): Ditto.
14035 * var-tracking.c (variable_tracking_main): Ditto.
14036 * tree-profile.c (tree_profiling): Ditto.
14037 * tree-vect-generic.c (expand_vector_operations): Ditto.
14038 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
14039 * sched-rgn.c (rest_of_handle_sched): Ditto.
14040 (rest_of_handle_sched2): Ditto.
14041 * basic-block.h (free_bb_insn): Ditto.
14042 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
14043 * tree-cfg.c (execute_build_cfg): Ditto.
14044 (remove_useless_stmts): Ditto.
14045 (split_critical_edges): Ditto.
14046 (execute_warn_function_return): Ditto.
14047 (execute_warn_function_noreturn): Ditto.
14048 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
14049 * cfgrtl.c (free_bb_for_insn): Ditto.
14050 * passes.c (execute_one_pass): Run additional
14051 todos returned by execute function.
14052 * tree-pass.h (struct tree_opt_pass): Make execute
14055 2006-03-02 Richard Guenther <rguenther@suse.de>
14057 * tree-ssa-alias.c (find_used_portions): Consider taking
14058 the address as making the variable not write-only.
14060 2006-03-02 Nick Clifton <nickc@redhat.com>
14062 * config.gcc (default_use_cxa_atexit): Extend the description of
14063 this configure variable. Set its default value to "yes" for
14064 Linux, NetBSD and ELF targets on the assumption that they will
14065 use C libraries with the __cxa_atexit function.
14067 2006-03-02 Ben Elliston <bje@au.ibm.com>
14069 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
14070 parameter as unused to suppress a build warning.
14072 2006-03-02 Ben Elliston <bje@au.ibm.com>
14074 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
14077 2006-03-01 Roger Sayle <roger@eyesopen.com>
14080 * gthr-posix.h (__gthrw2): Define to take three parameters, the
14081 declared name, the weak reference name, and the typeof name.
14082 (__gthrw): Avoid expanding the declared name suffix.
14083 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
14085 2006-03-01 Jakub Jelinek <jakub@redhat.com>
14087 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
14089 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
14090 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
14091 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
14092 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
14093 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
14094 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
14095 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
14096 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
14097 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
14098 DW_DS_leading_separate, DW_DS_trailing_separate): New.
14099 (DW_END_default, DW_END_big, DW_END_little): New.
14100 (DW_END_lo_user, DW_END_hi_user): Define.
14101 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
14102 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
14103 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
14106 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14108 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
14110 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
14112 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
14114 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
14116 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
14117 to 'symbol_mem_tag'.
14119 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
14122 2006-03-01 Roger Sayle <roger@eyesopen.com>
14124 * builtins.c (fold_builtin_copysign): Delete unreachable code.
14126 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14129 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
14130 MACHO_DYNAMIC_NO_PIC_P.
14131 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
14133 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14136 * config/darwin-protos.h (darwin_asm_output_anchor):
14138 * config/darwin-sections.def (cstring_section):
14139 Add SECTION_MERGE to the flags.
14140 (literal4_section): Likewise.
14141 (literal8_section): Likewise.
14142 (objc_selector_refs_section): Likewise.
14143 (objc_cls_refs_section): Likewise.
14144 * config/darwin.c (darwin_asm_output_anchor): New
14146 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14148 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
14150 Fix PR tree-optimization/26443
14151 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
14152 to todo and PROP_tmt_usage to properties_destroyed.
14153 * tree-ssa-ccp.c (pass_ccp): Ditto.
14154 (pass_store_ccp): Ditto.
14155 * tree-ssa-dom.c (pass_dominator): Ditto.
14157 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14159 * tree-ssa-operands.c: Cleanup whitespace.
14160 (get_asm_expr_operands): Move before first invocation.
14161 (get_indirect_ref_operands): Likewise.
14162 (get_tmr_operands): Likewise.
14163 (get_call_expr_operands): Likewise.
14164 (append_def): Likewise.
14165 (append_use): Likewise.
14166 (append_v_may_def): Likewise.
14167 (append_v_must_def): Likewise.
14168 (add_call_clobber_ops): Likewise.
14169 (add_call_read_ops): Likewise.
14170 (add_stmt_operand): Likewise.
14171 (add_virtual_operand): Likewise.
14172 (build_ssa_operands): Likewise.
14174 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14176 PR middle-end/26022
14178 PR middle-end/24437
14179 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14180 with a call expr to ...
14181 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14183 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14185 * tree-vrp.c (extract_range_from_assert): Remove special
14186 handling for types with super-types.
14188 2006-03-01 Ben Elliston <bje@au.ibm.com>
14190 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
14191 and powerpc64-*-linux* configurations.
14192 * config/t-dfprules: New file.
14194 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
14195 Compile dfp-bit.c from the source directory using -DWIDTH and
14196 $DFP_CFLAGS to control the compilation of that file, rather than
14197 generating width-specific versions in the build directory.
14198 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
14199 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
14201 2006-02-28 Zack Weinberg <zackw@panix.com>
14203 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
14206 2006-02-28 Eric Christopher <echristo@apple.com>
14208 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
14209 Set up IN_LIBGCC definition of TARGET_64BIT.
14210 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
14212 2006-02-28 Roger Sayle <roger@eyesopen.com>
14214 PR middle-end/14752
14215 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
14216 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
14217 cases via the construction of "expr != 0".
14219 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
14221 * alias.c (alias_invariant, alias_invariant_size): Remove.
14222 (record_base_value): Remove.
14223 (memrefs_conflict_p): Don't look at alias_invariant.
14224 (end_alias_analysis): Don't free it.
14225 * alias.h (record_base_value): Remove prototype.
14227 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
14228 Adam Nemet <anemet@caviumnetworks.com>
14230 * rtl.h (truncated_to_mode): Declare it.
14231 (struct rtl_hooks): Add reg_truncated_to_mode hook.
14232 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
14233 (RTL_HOOKS_INITIALIZER): Include it.
14234 * rtlhooks.c (reg_truncated_to_mode_general): New function.
14235 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
14236 reg_truncated_to_mode.
14237 * rtlanal.c (truncated_to_mode): Define it.
14238 * simplify-rtx.c (simplify_unary_operation_1): Use it.
14240 2006-02-28 Jeff Law <law@redhat.com>
14242 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
14243 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
14244 the range allowed by TYPE_PRECISION.
14246 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
14248 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
14250 PR tree-optimization/26419
14251 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
14254 2006-02-27 Zack Weinberg <zackw@panix.com>
14256 * doc/md.texi: Fix typo in previous change.
14258 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
14262 2006-02-27 Zack Weinberg <zackw@panix.com>
14264 * rtl.def (define_constraint, define_register_constraint)
14265 (define_memory_constraint, define_address_constraint): New MD forms.
14266 * gensupport.c (process_rtx): Put define_constraint etc on the
14268 * genpreds.c (process_define_predicate): Adjust comment. Validate
14269 the name, and call validate_exp to validate the expression.
14270 (mark_mode_tests, write_extract_subexp): Can assume correct input.
14271 (write_predicate_expr): Likewise. NAME argument no longer necessary;
14272 all callers changed.
14273 (validate_exp, needs_variable, struct constraint_data)
14274 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
14275 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
14276 (const_dbl_constraints, constraint_max_namelen)
14277 (have_register_constraints, have_memory_constraints)
14278 (have_address_constraints, have_address_constraints)
14279 (have_extra_constraints, have_const_int_constraints)
14280 (have_const_dbl_constraints, mangle, add_constraint)
14281 (process_define_constraint, process_define_register_constraint)
14282 (write_enum_constraint_num, write_lookup_constraint)
14283 (write_insn_constraint_len, write_regclass_for_constraint)
14284 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
14285 (write_insn_extra_memory_constraint)
14286 (write_insn_extra_address_constraint)
14287 (write_satisfies_constraint_fns): New.
14288 (write_tm_preds_h): If we have new-style constraint definitions,
14289 prototype the functions generated from them, and define the
14290 old constraint interface (still used by generic code) in terms of
14292 (write_insn_preds_c): If we have new-style constraint definitions,
14293 generate all relevant functions from those definitions.
14294 (main): Handle define_constraint etc.
14295 * genoutput.c (struct constraint_data, indep_constraints)
14296 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
14297 (mdep_constraint_len): New data structures and functions, defined
14298 #ifdef USE_MD_CONSTRAINTS.
14299 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
14300 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
14301 use new logic to validate operand constraints against constraint
14303 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
14305 * defaults.h: If none of the old-style constraint macros are
14306 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
14307 old-style macros; and poison REG_CLASS_FROM_LETTER,
14308 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
14310 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
14311 * doc/md.texi: Document new constraint-definition mechanism and the
14312 C interface it provides. Remove references to old mechanism
14313 elsewhere in the document.
14314 (Machine Constraints): Use pathnames relative to gcc directory,
14315 i.e. config/ARCH/FILE. Change i386 section to refer to
14316 config/i386/predicates.md; update that section to match docstrings.
14317 * doc/tm.texi: Move all documentation of the old constraint-
14318 definition macros to their own section, clearly mark as obsolete.
14320 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
14321 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
14323 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
14324 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
14325 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
14326 constraint strings.
14327 (splits and peepholes): Use satisfies_constraint_*.
14328 * config/i386/i386.c (memory_address_length)
14329 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
14331 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14333 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
14334 scalar operation to be put back into the loop.
14336 2006-02-27 Jakub Jelinek <jakub@redhat.com>
14339 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
14340 (extract_cie_info): Handle S flag in augmentation string.
14341 (execute_cfa_program): If context->signal_frame, execute also
14342 fs->pc == context->ra instructions.
14343 (uw_frame_state_for): If context->signal_frame, don't subtract one
14344 from context->ra to find FDE.
14345 (uw_update_context_1): Set context->signal_frame to
14347 (_Unwind_GetIPInfo): New function.
14348 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
14349 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
14351 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
14352 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
14353 * unwind-compat.c (_Unwind_GetIPInfo): New function.
14354 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
14355 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
14356 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
14357 * config/i386/linux-unwind.h (x86_fallback_frame_state,
14358 x86_64_fallback_frame_state): Set fs->signal_frame.
14359 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
14360 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
14361 (frob_update_context): Likewise. Workaround missing S flag in
14362 Linux 2.6.12 - 2.6.16 kernel vDSOs.
14363 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
14364 Remove the psw_addr + 1 hack.
14366 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14368 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
14369 with aggregates here.
14370 (find_func_aliases): Remove code for &<aggregate> from here.
14372 2006-02-26 Roger Sayle <roger@eyesopen.com>
14374 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
14375 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
14376 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
14377 as (X & C) ne/eq 0.
14379 2006-02-26 Roger Sayle <roger@eyesopen.com>
14381 PR middle-end/19983
14382 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
14384 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
14386 * opts.c (decode_options): Do not handle flag_strength_reduce.
14387 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
14388 and OPT_fstrength_reduce.
14389 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
14390 flag_prefetch_loop_arrays for being nonzero.
14391 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
14393 (fprefetch-loop-arrays-rtl): Removed.
14394 (flag_prefetch_loop_arrays): Do not specify the value.
14396 * doc/passes.texi: Update documentation of loop optimizer
14398 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
14399 -frerun-loop-opt): Remove.
14401 2006-02-26 Richard Guenther <rguenther@suse.de>
14403 PR tree-optimization/26421
14404 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
14405 in function calls that are ADDR_EXPRs as using the whole structure.
14407 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
14409 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
14410 * tree-pass.h (pass_loop_optimize): Remove.
14411 * passes.c (pass_loop_optimize): Never run it.
14412 * toplev.c (backend_init): Don't call init_loop.
14413 * opts.c (flag_loop_optimize_set): Remove.
14414 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
14415 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
14416 the old RTL loop optimizer when profiling enabled.
14417 * predict.c (tree_estimate_probability): Always strip builtin_expect.
14418 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
14419 pre-headers for the sake of the old RTL loop optimizer.
14420 * Makefile.in: Remove all references to loop.o.
14422 * doc/invoke.texi: Remove all references to -floop-optimize
14423 and -frerun-loop-opt.
14425 2006-02-26 Zack Weinberg <zackw@panix.com>
14427 * doc/md.texi (Machine Constraints): Refer to all files with paths
14428 relative to gcc directory (i.e. config/CPU/file). Add missing
14429 @table @code ... @end table to M32C subsection.
14431 2006-02-26 Roger Sayle <roger@eyesopen.com>
14433 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
14435 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
14437 2006-02-26 Roger Sayle <roger@eyesopen.com>
14438 James A. Morrison <phython@gcc.gnu.org>
14440 PR middle-end/21137
14441 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
14442 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
14443 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
14444 signedness of the shift operation.
14446 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
14448 PR tree-optimization/26359
14449 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
14451 2006-02-25 Roger Sayle <roger@eyesopen.com>
14453 * simplify-rtx.c (simplify_relational_operation_1): Simplify
14454 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
14455 as X == 0, and some symmetry related transformations.
14456 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
14458 2006-02-25 Roger Sayle <roger@eyesopen.com>
14460 PR middle-end/23673
14461 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
14462 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
14463 symmetry related transformations. Fold (X^C1) == C2 as
14466 2006-02-25 Juergen Weigert <jw@suse.de>
14467 Richard Guenther <rguenther@suse.de>
14469 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
14471 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
14473 * combine.c (gen_lowpart_or_truncate): Call
14474 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
14476 2006-02-24 Diego Novillo <dnovillo@redhat.com>
14478 * doc/invoke.texi: Move -fopenmp description to "Options for
14480 Remove reference to -lgomp.
14482 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14484 * doc/install.texi: Require GNU tar version 1.14.
14486 2006-02-24 Geoffrey Keating <geoffk@apple.com>
14488 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
14489 * doc/invoke.texi (C++ Dialect Options): Document
14490 -fno-use-cxa-get-exception-ptr.
14491 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
14492 * configure: Regenerate.
14493 * c.opt (fuse-cxa-get-exception-ptr): New.
14494 * c-opts.c (c_common_handle_option): Handle
14495 OPT_fuse_cxa_get_exception_ptr.
14496 * c-common.c (flag_use_cxa_atexit): Update documentation.
14497 (flag_use_cxa_get_exception_ptr): New.
14498 * c-common.h (flag_use_cxa_get_exception_ptr): New.
14499 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
14501 (C_COMMON_OVERRIDE_OPTIONS): New.
14503 2006-02-24 Roger Sayle <roger@eyesopen.com>
14505 PR middle-end/24952
14506 * combine.c (try_combine): Explicitly check whether GET_CODE is
14507 a SET or a CLOBBER, instead on checking that it isn't a USE.
14509 2006-02-24 Roger Sayle <roger@eyesopen.com>
14511 * fold-const.c (fold_comparison): New subroutine of fold_binary
14512 containing transformations common to both the equality and
14513 ordering relational operators, factored out of fold_binary.
14514 (fold_binary): Separate out the equality operators (EQ_EXPR
14515 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
14516 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
14517 transformations common to both.
14518 (fold_div_compare): Fix latent bugs in the previously unreachable
14519 LT_EXPR and GE_EXPR cases.
14521 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14523 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
14524 decl libname for clog to __clog on AIX.
14526 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
14528 2006-02-24 Alan Modra <amodra@bigpond.net.au>
14531 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
14532 output traceback table for thunks. Localise rs6000_stack_info call.
14534 2006-02-23 Roger Sayle <roger@eyesopen.com>
14535 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14537 * gthr-posix.h (__gthrw): Fix typo in comment.
14539 2006-02-23 Geoffrey Keating <geoffk@apple.com>
14541 * doc/cpp.texi (Character sets): Document that we do support
14542 input files to be in any character set.
14544 2006-02-23 Jeff Law <law@redhat.com>
14546 * tree.h (PHI_ARG_NONZERO): Remove.
14547 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
14548 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
14549 node to the new node.
14551 PR tree-optimization/26425
14552 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
14553 min/max, then assume its varying.
14555 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14557 PR rtl-optimization/26316
14558 * rtlanal.c (enum may_trap_p_flags): New.
14559 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
14560 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
14561 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
14562 (may_trap_after_code_motion_p): New function.
14563 * loop-invariant.c (find_identical_invariants): Fix dump formating.
14564 (find_invariant_insn): Use may_trap_after_code_motion_p.
14565 * rtl.h (may_trap_after_code_motion_p): Declare.
14567 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14569 * emit-rtl.c (immed_double_const): Cleanup.
14571 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
14573 Fix PR tree-optimization/26376
14574 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
14577 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14579 PR middle-end/26412
14580 * gimplify.c (omp_add_variable): Guard variable size decl test with
14581 DECL_SIZE (decl) check.
14583 2006-02-23 Richard Guenther <rguenther@suse.de>
14585 PR middle-end/26439
14586 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
14587 like aggregate types.
14589 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14591 * configure.ac: Add --with{,out}-long-double-128 configure option.
14592 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
14593 * configure: Rebuilt.
14594 * config.in: Rebuilt.
14595 * doc/install.texi (Options specification): Document
14596 --with-long-double-128.
14598 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14599 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14600 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14601 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14603 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
14605 * config/s390/s390.c (override_options): Handle
14606 TARGET_DEFAULT_LONG_DOUBLE_128.
14608 * config/alpha/alpha.c (override_options): Handle
14609 TARGET_DEFAULT_LONG_DOUBLE_128.
14611 * config/sparc/sparc.c (sparc_override_options): Handle
14612 TARGET_DEFAULT_LONG_DOUBLE_128.
14614 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
14616 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
14617 (real-install-headers-tar, real-install-headers-cpio)
14618 (real-install-headers-cp): New targets.
14620 2006-02-22 Richard Sandiford <richard@codesourcery.com>
14622 * tree.h (variable_section): Delete.
14623 * varasm.c (variable_section): Delete.
14625 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
14627 * install.texi: Add notes on install.texi2html.
14628 (Building in parallel): Do not use footnotes.
14630 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
14633 * doc/install.texi (Configuration): Document --disable-libgomp.
14635 2006-02-21 Geoffrey Keating <geoffk@apple.com>
14637 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
14639 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14641 * config/i386/sse.md (vec_extractv2df_1_sse): New.
14642 (vec_extractv2df_0_sse): New.
14644 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14646 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
14647 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
14648 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
14649 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
14650 to the result of the expression.
14651 (def_cfa_1): Adjust.
14652 (frame_pointer_cfa_offset): Rename to...
14653 (frame_pointer_fb_offset): ... this. Adjust all uses.
14654 (convert_cfa_to_loc_list): Rename to...
14655 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
14656 Pass it on to build_cfa_loc.
14657 (compute_frame_pointer_to_cfa_displacement): Rename to...
14658 (compute_frame_pointer_to_fb_displacement): ... this. New
14659 offset parameter. Use it in computation.
14660 (gen_subprogram_die): Compute cfa_fb_offset with the new
14661 macro, and use it to compute the fb loc list and the
14664 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
14666 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
14667 replaced with register_operand.
14668 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
14669 non-DREG is expensive.
14670 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
14671 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
14674 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
14676 * doc/install.texi2html: Use set -e.
14678 2006-02-21 Richard Sandiford <richard@codesourcery.com>
14680 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14681 (ASM_OUTPUT_SHARED_LOCAL): Delete.
14682 * doc/invoke.texi (-fshared-data): Delete.
14683 * common.opt (fshared-data): Delete.
14684 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
14685 (assemble_static_space): Remove #if 0 code.
14686 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14687 (ASM_OUTPUT_SHARED_LOCAL): Poison.
14688 * config/cris/cris.h: Remove FIXME.
14690 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
14692 * doc/sourcebuild.texi (Front End Directory): No more double-colon
14695 2006-02-21 Jakub Jelinek <jakub@redhat.com>
14697 PR middle-end/26379
14698 * combine.c (simplify_shift_const_1): Disable nested shifts
14699 optimization for vector shifts.
14701 2006-02-20 Roger Sayle <roger@eyesopen.com>
14703 PR tree-optimization/26361
14704 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
14705 of unsigned integer types.
14707 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
14709 * tree-chrec.c (eq_evolutions_p): New.
14710 * tree-chrec.h (eq_evolutions_p): Declared.
14711 * tree-data-ref.c: Fix formatting.
14712 (datadep_stats, dependence_stats): New.
14714 (print_direction_vector): New.
14715 (dump_data_dependence_relation): Use print_direction_vector.
14716 (object_analysis, create_data_ref): Handle COMPONENT_REF.
14717 (compute_subscript_distance): Static.
14718 (initialize_data_dependence_relation): Static. Get the number
14719 of loops surrounding the references from the callers, and initialize
14720 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
14721 base_object_differ_p analyzers.
14722 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
14723 compute_overlap_steps_for_affine_1_2,
14724 analyze_subscript_affine_affine): Count the classified dependences.
14725 Print a message when a test failed.
14726 (can_use_analyze_subscript_affine_affine): New.
14727 (analyze_siv_subscript): Compute the data dependences on symbolic
14728 scevs that verify can_use_analyze_subscript_affine_affine.
14729 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
14730 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
14731 Handle symbolic scevs.
14732 (analyze_overlapping_iterations): Let symbolic affine scevs to be
14734 (subscript_dependence_tester): Moved...
14735 (build_classic_dist_vector, build_classic_dir_vector): Don't use
14736 lambda_vector_clear on newly allocated vectors. Get nb_loops from
14737 DDR_SIZE_VECT instead of getting it in parameter.
14738 (subscript_dependence_tester): ... here. Take as a parameter
14739 loop_nest_depth. Call build_classic_dist_vector and
14740 build_classic_dir_vector.
14741 (compute_affine_dependence): Update subscript_dependence_tester
14742 parameters. Update datadep_stats counters. Call
14743 compute_subscript_distance.
14744 (compute_self_dependence): Save the dist and dir vectors. Call
14745 compute_subscript_distance.
14746 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
14747 (compute_all_dependences): Reorder parameters as they were before
14748 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
14749 compute_subscript_distance. Update the use of
14750 compute_affine_dependence and initialize_data_dependence_relation.
14751 (find_data_references_in_loop): Handle COMPONENT_REF.
14752 (compute_data_dependences_for_loop): Initialize dependence_stats.
14753 Don't call build_classic_dist_vector and build_classic_dir_vector.
14754 Update the parameters of initialize_data_dependence_relation and
14755 compute_all_dependences. Print the statistics from datadep_stats.
14756 (analyze_all_data_dependences): Static. Not used until the pass for
14757 checking the data dependences is contributed.
14758 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
14759 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
14760 (initialize_data_dependence_relation, compute_affine_dependence,
14761 analyze_all_data_dependences, compute_subscript_distance): Removed.
14762 (print_direction_vector): New.
14763 * lambda.h (gcd): ... here.
14764 (lambda_vector_gcd): Moved here from gcd_vector.
14765 * lambda-code.c (gcd, gcd_vector): Removed.
14766 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
14767 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
14769 2006-02-20 Diego Novillo <dnovillo@redhat.com>
14771 * ipa-type-escape.c: Tidy some comments and white space.
14772 * tree-ssa-operands.c: Likewise.
14774 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
14777 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
14778 (dump_decl_name): Do not walk the decl tree chains.
14779 * tree-pass.h (TDF_CHAIN): Remove.
14781 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14783 * Makefile.in (C): Remove
14785 (.PHONY): Remove C and PROTO
14787 2006-02-20 Roger Sayle <roger@eyesopen.com>
14789 PR middle-end/26236
14790 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
14791 deprecated CHAR_TYPE tree code.
14793 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14795 * configure.ac (target_list): Add install-info, dvi, html.
14796 * configure: Regenerate.
14798 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
14799 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
14800 treelang/Make-lang.in: Do not use double-colon rules.
14802 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
14804 * tree.h (struct tree_memory_tag): Add is_used_alone member.
14805 (TMT_USED_ALONE): New macro.
14806 * tree-pass.h (PROP_tmt_usage): New property.
14807 (TODO_update_tmt_usage): New todo.
14808 * tree-ssa-alias.c (updating_used_alone): New variable.
14809 (recalculate_used_alone): New function.
14810 (compute_may_aliases): Set updating_used_alone, call
14811 recalculate_used_alone.
14812 * tree-sra.c (pass_sra): Note that this pass destroys
14813 PROP_tmt_usage, and add TODO_update_tmt_usage.
14814 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
14815 * tree-flow.h (updating_used_alone): Prototype.
14816 (recalculate_used_alone): Ditto.
14817 * passes.c (execute_todo): Add code to set updating_used_alone,
14818 and call recalculate.
14819 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
14820 for clobber if used alone, and add assert to verify used_alone
14823 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
14825 * config/s390/s390.c (legitimize_pic_address): Assertions checking
14826 for non tls symbols added.
14827 (legitimize_address): Do nothing for PLUS expressions if one of the
14828 addends is a tls symbol reference.
14830 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14834 * Makefile.in (LDFLAGS): Define from autoconf substitution.
14836 * Makefile.in (BOOTSTRAPPING): New.
14837 (quickstrap): New definition if BOOTSTRAPPING=yes.
14839 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
14840 * configure.ac: Substitute all_selected_languages with the languages
14841 that were configured. For all the other variables except
14842 lang_specs_files, include all the languages in the tree.
14843 * configure: Regenerate.
14845 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
14846 if there is one. Run the commands to run fixincludes in the same
14849 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
14850 * doc/install.texi: Document exact conventions for searching target tools.
14851 Document --with-build-time-tools. Document toplevel bootstrap. Document
14852 something more about building an Ada cross-compiler. Don't list GNU Make
14853 requirements which affect all platforms.
14855 2006-02-19 Roger Sayle <roger@eyesopen.com>
14857 PR middle-end/19543
14858 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
14859 only equivalent if the have both the same mode and precision.
14861 2006-02-20 Ben Elliston <bje@au.ibm.com>
14863 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
14865 2006-02-19 Roger Sayle <roger@eyesopen.com>
14866 Steven Bosscher <stevenb.gcc@gmail.com>
14868 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
14869 constant pool references to identify stack mode constants.
14870 * rtlanal.c (constant_pool_constant_p): New predicate to check
14871 whether operand is a floating point constant in the pool.
14872 * rtl.h (constant_pool_constant_p): Prototype here.
14873 * loop.c (scan_loop): Avoid hoisting constants from the constant
14874 pool on STACK_REGS targets.
14875 (load_mems): Likewise.
14876 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
14877 loads into x87 registers expensive in terms of register pressure.
14879 2006-02-19 Roger Sayle <roger@eyesopen.com>
14881 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
14882 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
14884 2006-02-19 David Edelsohn <edelsohn@gnu.org>
14886 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14887 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
14889 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
14891 * doc/invoke.texi: Document -fipa-pta.
14892 * common.opt: Add ipa-pta option.
14893 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
14894 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
14895 (do_ds_constraint): Ditto.
14896 (get_constraint_for): Only add to referenced_vars if
14897 referenced_vars exists.
14898 (insert_into_field_list): Rewrite to do this unsorted.
14899 (insert_into_field_list_sorted): Rename old insert_into_field_list
14901 (create_function_info_for): Use insert_into_field_list_sorted.
14902 (create_variable_info_for): Rewrite so it uses unsorted version,
14903 since the field list is sorted.
14904 (intra_create_variable_infos): Only add to referenced_vars if
14905 referenced_vars exists.
14906 (ipa_pta_execute): Init heapvars, and delete when done.
14907 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
14909 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14911 * doc/install.texi: Add missing `@samp'.
14913 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14915 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
14918 2006-02-18 Mark Wielaard <mark@klomp.org>
14920 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
14921 who added new 4.1 features, bug fixes and integration support.
14923 2006-02-18 David Edelsohn <edelsohn@gnu.org>
14926 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
14927 MEM for ABI_V4 pic.
14929 2006-02-18 Richard Sandiford <richard@codesourcery.com>
14931 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
14932 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
14933 (copy_insn_1): Likewise. Don't copy each field individually.
14935 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
14937 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
14938 * rtl.c (rtx_size): Rename variable to...
14939 (rtx_code_size): ...this.
14940 (rtx_size): New function.
14941 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
14942 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
14944 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
14945 * rtl.h (rtx_code_size): New variable.
14946 (rtx_size): Change from a variable to a function.
14947 (RTX_SIZE): Rename to...
14948 (RTX_CODE_SIZE): ...this.
14951 PR tree-optimization/17106
14952 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
14953 (Anchored Addresses): New section.
14954 * doc/invoke.texi (-fsection-anchors): Document.
14955 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
14956 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
14957 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
14958 * hooks.c (hook_bool_mode_rtx_false): New function.
14959 * hooks.h (hook_bool_mode_rtx_false): Declare.
14960 * gengtype.c (create_optional_field): New function.
14961 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
14962 SYMBOL_REF_IN_BLOCK_P is true.
14963 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
14964 (min_anchor_offset, max_anchor_offset): Likewise.
14965 (use_anchors_for_symbol_p): New hook.
14966 * toplev.c (compile_file): Call output_object_blocks.
14967 (target_supports_section_anchors_p): New function.
14968 (process_options): Check that -fsection-anchors is only used on
14969 targets that support it and when -funit-at-a-time is in effect.
14970 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
14971 if the decl doesn't have one.
14972 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
14973 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
14974 of force_const_mem through use_anchored_address.
14975 (expand_expr_constant): New function.
14976 (expand_expr_addr_expr_1): Call it. Use the same modifier when
14977 calling expand_expr for INDIRECT_REF.
14978 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
14979 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
14980 * expr.h (use_anchored_address): Declare.
14981 * loop-unroll.c: Don't declare rtx vectors here.
14982 * explow.c: Include output.h.
14983 (validize_mem): Call use_anchored_address.
14984 (use_anchored_address): New function.
14985 * common.opt (-fsection-anchors): New switch.
14986 * varasm.c (object_block_htab, anchor_labelno): New variables.
14987 (hash_section, object_block_entry_eq, object_block_entry_hash)
14988 (use_object_blocks_p, get_block_for_section, create_block_symbol)
14989 (use_blocks_for_decl_p, change_symbol_section): New functions.
14990 (get_variable_section): New function, split out from assemble_variable.
14991 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
14992 use_blocks_for_decl_p say so. Use change_symbol_section if the
14993 symbol has already been created.
14994 (assemble_variable_contents): New function, split out from...
14995 (assemble_variable): ...here. Don't output any code for
14996 block symbols; just pass them to place_block_symbol.
14997 Use get_variable_section and assemble_variable_contents.
14998 (get_constant_alignment, get_constant_section, get_constant_size): New
14999 functions, split from output_constant_def_contents.
15000 (build_constant_desc): Create a block symbol if use_object_blocks_p
15001 says so. Or into SYMBOL_REF_FLAGS.
15002 (assemble_constant_contents): New function, split from...
15003 (output_constant_def_contents): ...here. Don't output any code
15004 for block symbols; just pass them to place_section_symbol.
15005 Use get_constant_section and get_constant_alignment.
15006 (force_const_mem): Create a block symbol if use_object_blocks_p and
15007 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
15008 (output_constant_pool_1): Add an explicit alignment argument.
15009 Don't switch sections here.
15010 (output_constant_pool): Adjust call to output_constant_pool_1.
15011 Switch sections here instead. Don't output anything for block symbols;
15012 just pass them to place_block_symbol.
15013 (init_varasm_once): Initialize object_block_htab.
15014 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
15015 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
15016 (place_block_symbol, get_section_anchor, output_object_block)
15017 (output_object_block_htab, output_object_blocks): New functions.
15018 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
15019 (TARGET_ASM_OUT): Include it.
15020 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
15021 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
15022 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
15023 (TARGET_INITIALIZER): Include them.
15024 * rtl.c (rtl_check_failed_block_symbol): New function.
15025 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
15026 (block_symbol, object_block): New structures.
15027 (rtx_def): Add a block_symbol field to the union.
15028 (BLOCK_SYMBOL_CHECK): New macro.
15029 (rtl_check_failed_block_symbol): Declare.
15030 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
15031 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
15032 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
15033 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
15034 * output.h (output_section_symbols): Declare.
15035 (object_block): Name structure.
15036 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
15037 (default_use_anchors_for_symbol_p): Declare.
15038 * Makefile.in (RTL_BASE_H): Add vec.h.
15039 (explow.o): Depend on output.h.
15040 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
15041 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
15042 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
15043 (rs6000_use_blocks_for_constant_p): New function.
15045 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15047 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
15049 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
15052 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
15055 2006-02-18 Diego Novillo <dnovillo@redhat.com>
15057 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
15061 2006-02-18 Jakub Jelinek <jakub@redhat.com>
15063 PR middle-end/26334
15064 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
15065 instead of DECL_REGISTER.
15067 2006-02-18 Olivier Hainque <hainque@adacore.com>
15070 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
15072 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
15075 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
15076 * opth-gen.awk: Handle Var and InverseMask together.
15077 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
15078 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
15079 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
15080 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
15082 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15083 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15084 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
15085 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15086 LINUX_DYNAMIC_LINKER): Define.
15087 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
15088 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
15090 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15091 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
15092 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15093 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15094 (TARGET_C99_FUNCTIONS): Don't define.
15095 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
15096 GLIBC_DYNAMIC_LINKER.
15097 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
15098 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
15099 GLIBC_DYNAMIC_LINKER64): Define.
15100 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15101 LINUX_DYNAMIC_LINKER64.
15102 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15103 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15104 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
15105 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15106 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15107 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15108 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
15109 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
15110 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
15111 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
15112 and LINUX_DYNAMIC_LINKER32.
15113 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15114 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15115 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
15116 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15117 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
15119 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
15120 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
15121 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15122 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15123 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15124 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
15125 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
15126 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
15127 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15128 LINUX_DYNAMIC_LINKER): Define.
15129 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
15130 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
15131 GLIBC_DYNAMIC_LINKER64): Define.
15132 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15133 LINUX_DYNAMIC_LINKER64.
15134 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15135 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15136 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
15137 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15138 LINUX_DYNAMIC_LINKER): Define.
15139 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15140 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15141 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
15142 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
15143 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
15144 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15145 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
15146 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
15147 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15148 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15149 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15150 * doc/invoke.texi (-muclibc): Remove caveat about supported
15153 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
15155 * doc/cpp.texi (__TIMESTAMP__): Document.
15157 2006-02-17 Roger Sayle <roger@eyesopen.com>
15159 PR middle-end/25600
15160 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
15161 C is one less than the width of X (and related transformations).
15162 * simplify-rtx.c (simplify_unary_operation_1): Transform
15163 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
15164 depending on STORE_FLAG_VALUE, were C is one less then the
15167 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
15169 Fix PR tree-optimization/26341
15170 * tree-ssa-operands.c (add_virtual_operand): Remove assert
15171 about NAME_MEMORY_TAG's.
15173 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15176 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
15177 with hardware float support, and software float support. Add fcpy
15178 alternative to hardware patterns. Add alternatives to copy between
15179 general and floating-point registers to the 32-bit pattern.
15180 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
15181 secondary reload to load a QI or HI mode constant into a floating
15183 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
15184 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
15186 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
15189 * config/rs6000/darwin.md (load_macho_picbase_si): Add
15191 (load_macho_picbase_di): Likewise.
15193 2006-02-16 Jeff Law <law@redhat.com>
15195 * tree-vrp.c (set_value_range_to_nonnegative): New function.
15196 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
15197 (ssa_name_nonzero_p): Likewise.
15198 (get_value_range): Return NULL if VRP is not running.
15199 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
15200 VRP routines do not discover a range.
15201 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
15202 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
15203 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
15204 (tree_expr_nonnegative_p): Similarly.
15205 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
15206 (restore_nonzero_vars_to_original_value): Remove.
15207 (unsafe_associative_fp_binop): Remove.
15208 (tree_ssa_dominator_optimize): Remove initialization and
15209 finalization of nonzero_vars and nonzero_vars_stack.
15210 (dom_opt_initialize_block): No longer push marker on
15211 nonzero_vars_stack.
15212 (dom_opt_finalize_block): No longer call
15213 restore_nonzero_vars_to_original_value.
15214 (record_equivalences_from_phis): No longer look for
15215 nonzero PHI arguments.
15216 (cprop_into_successor_phis): No longer propagate nonzero
15217 property into PHI arguments. Lose unused argument. Caller
15219 (record_equivalences_from_stmt): No longer record nonzero
15220 values for SSA_NAMEs.
15221 (lookup_avail_expr): No longer use nonzero_vars.
15223 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
15224 for sizetype when sizetype is unsigned.
15226 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
15228 PR rtl-optimization/25603
15229 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
15230 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
15231 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
15232 with new meaning of SETS.
15234 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
15239 * config/linux.opt: New file.
15240 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
15241 LINUX_DYNAMIC_LINKER): Define.
15242 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
15243 * config.gcc (*-*-linux*): Define extra_options.
15244 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
15245 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
15246 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
15247 GLIBC_DYNAMIC_LINKER.
15248 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
15249 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15250 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15251 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15252 * doc/invoke.texi (GNU/Linux Options): New section.
15254 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
15256 * config/sparc/sparc.md (setjmp): Rewrite.
15257 (setjmp_32): Delete.
15258 (setjmp_64): Likewise.
15260 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
15262 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
15265 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15267 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
15270 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15272 PR rtl-optimization/26296
15273 * Makefile.in (loop-invariant.c): Add except.h dependency.
15274 * loop-invariant.c: Include except.h.
15275 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
15277 2005-02-16 Paul Brook <paul@codesourcery.com>
15279 * reload1.c (emit_reload_insns): Invalidate dead input registers used
15282 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
15284 PR rtl-optimization/25636
15285 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
15286 when deciding whether an insn is an initializing insn.
15288 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
15290 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
15291 (tree_code_size): Ditto.
15292 * tree.h (struct tree_memory_tag): Remove parent_var.
15293 (struct tree_struct_field_tag): New.
15296 (union tree_node): Add sft member.
15297 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
15299 (create_sft): Add size and offset argument, set SFT_OFFSET and
15301 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
15302 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
15303 * tree-flow-inline.h (get_subvar_at): Update for
15304 SFT_OFFSET/SFT_SIZE.
15305 (var_can_have_subvars): Ditto.
15306 (overlap_subvar): Ditto.
15307 * print-tree.c (print_node): Print out interesting things for
15309 * tree-flow.h (struct subvar): Remove offset and size members.
15310 * tree-ssa-operands.c (get_expr_operands): Update for
15311 get_indirect_ref_operands changes.
15312 (get_indirect_ref_operands): Call add_virtual_operand instead of
15313 add_stmt_operand. Only recurse on base var if requested.
15314 (access_can_touch_variable): New function.
15315 (add_stmt_operand): Split virtual operand handling into ...
15316 (add_virtual_operand): Here. Add offset, size, and for_clobber
15317 arguments. Prune alias sets.
15318 (add_call_clobber_ops): Call add_virtual_operand.
15320 2006-02-15 Jakub Jelinek <jakub@redhat.com>
15322 PR middle-end/26300
15323 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
15325 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
15326 than TREE_CODE as index into omp_clause_num_ops array.
15328 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
15330 PR rtl-optimization/26184
15331 * modulo-sched.c (generate_reg_moves): Free bitmap vector
15333 * modulo-sched.c (sms_schedule): Free g_arr pointer.
15334 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
15335 must_precede, must_follow and tobe_scheduled.
15338 * opts.c (common_handle_option): Free new_option pointer.
15339 * df-core.c (df_analyze): Free postorder pointer.
15341 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
15343 * Makefile.in: Fix the examples about the use of stamps
15345 2006-02-15 Michael Matz <matz@suse.de>
15347 PR middle-end/22275
15349 * stor-layout.c (layout_decl): Zero-width bitfields aren't
15350 influenced by maximum_field_alignment or DECL_PACKED.
15351 (update_alignment_for_field): Ditto.
15352 (place_field): Ditto.
15353 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
15356 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
15358 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
15359 (debug_flow_info): Pass it.
15360 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
15361 * bb-reorder.c (reorder_basic_blocks): Likewise.
15362 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
15363 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
15364 * flow.c (life_analysis, recompute_reg_usage): Likewise.
15365 * gcse.c (gcse_main, bypass_jumps): Likewise.
15366 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
15367 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
15368 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
15369 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
15370 * rtl.h (dump_flow_info): Adjust prototype.
15371 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
15372 * var-tracking.c (variable_tracking_main): Likewise.
15373 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
15374 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
15377 2006-02-15 Marcin Dalecki <martin@dalecki.de>
15379 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
15382 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15384 PR tree-optimization/26209
15385 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
15386 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
15388 * tree-cfg.c (replace_uses_by): Do not alter cfg.
15390 2006-02-14 Roger Sayle <roger@eyesopen.com>
15392 PR middle-end/23670
15393 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
15394 (X,Y) and the corresponding symmetry related transformations.
15395 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
15396 (X,Y) and its symmetry related transformations.
15398 2006-02-14 Roger Sayle <roger@eyesopen.com>
15400 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
15403 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
15405 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
15407 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15410 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
15411 support COMDAT group.
15412 * configure: Regenerate.
15414 2006-02-14 Roger Sayle <roger@eyesopen.com>
15416 PR middle-end/26279
15417 PR middle-end/26280
15418 PR middle-end/26283
15419 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
15421 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
15423 Fix PR tree-optimization/26260
15425 * doc/invoke.texi (max-fields-for-field-sensitive): Document
15427 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
15428 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
15429 * tree-ssa-structalias.c (create_variable_info_for): Use
15430 MAX_FIELDS_FOR_FIELD_SENSITIVE.
15432 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15434 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
15436 * tree-ssa-loop-niter.c (number_of_iterations_ne,
15437 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
15438 of the ending condition.
15439 * tree-ssa-loop-manip.c: Include params.h.
15440 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
15441 tree_unroll_loop): New functions.
15442 * tree-pass.h (pass_loop_prefetch): Declare.
15443 * loop.c (rest_of_handle_loop_optimize): Test for
15444 -fprefetch-loop-arrays-rtl.
15445 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
15446 * timevar.def (TV_TREE_PREFETCH): New timevar.
15447 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
15448 pass_loop_prefetch): New.
15449 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
15450 (cleanup_tree_cfg_loop): Call scev_reset.
15451 * common.opt (fprefetch-loop-arrays-rtl): Add.
15452 * tree-ssa-loop-prefetch.c: New file.
15453 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
15454 (new_temp_expr_table): Initialize expr_vars.
15455 (free_temp_expr_table): Cleanup expr_vars.
15456 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
15457 expressions from being merged into one.
15458 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
15459 (struct tree_niter_desc): Add control, bound and cmp fields.
15460 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
15462 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
15463 (tree-cfgcleanup.o): Add SCEV_H dependency.
15464 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
15465 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
15467 2006-02-14 Richard Guenther <rguenther@suse.de>
15469 PR tree-optimization/26258
15470 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
15471 in PHI argument processing.
15473 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
15475 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
15476 new expression in the requested machine mode.
15478 2006-02-13 Roger Sayle <roger@eyesopen.com>
15480 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
15481 directly, instead let do_compare_rtx_and_jump handle this for us.
15482 * expr.c (expand_expr_real_1): Likewise.
15483 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
15484 before do_jump_by_parts_greater.
15485 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
15486 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
15488 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15490 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
15492 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15494 PR rtl-optimization/26235
15495 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
15496 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
15499 2006-02-13 Jeff Law <law@redhat.com>
15501 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
15504 2006-02-13 Jakub Jelinek <jakub@redhat.com>
15506 PR middle-end/26092
15507 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
15508 twice if decl is a builtin. When trying again, call get_callee_fndecl
15509 first to verify it is still a builtin.
15511 2006-02-13 Geoffrey Keating <geoffk@apple.com>
15513 * dwarf2out.c (base_type_die): Don't add AT_name here.
15514 (subrange_type_die): Don't add AT_name here.
15515 (modified_type_die): Rearrange code flow. Do add AT_name here.
15517 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15519 PR rtl-optimization/26247
15520 PR rtl-optimization/26248
15521 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
15523 2006-02-13 Richard Sandiford <richard@codesourcery.com>
15525 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
15526 * config/fixtfdi.c: Likewise.
15527 * config/fixunstfdi.c: Likewise.
15528 * config/floatditf.c: Likewise.
15530 2006-02-13 Roger Sayle <roger@eyesopen.com>
15532 PR middle-end/24427
15533 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
15534 into (X,C2) if C1 is a subset of the bits of C2. Transform
15535 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
15537 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
15539 2006-02-13 Josh Conner <jconner@apple.com>
15542 * varasm.c (function_section): Check for section name before
15543 calling select_section on targets that define
15544 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
15545 unlikely_text_section instead of hot_function_section if
15546 first_function_block_is_cold.
15548 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
15550 PR middle-end/25335
15551 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
15553 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15555 PR rtl-optimization/26222
15556 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
15557 after tree->rtl expansion.
15558 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
15559 before passing it to emit_move_insn.
15561 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
15563 * doc/invoke.texi (-Write-strings): Document that it is enabled by
15565 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
15566 Clarify documentation.
15567 * c-common.h (warn_write_strings): Remove.
15568 * c-common.c (warn_write_strings): Likewise.
15569 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
15572 2006-02-12 Roger Sayle <roger@eyesopen.com>
15574 PR middle-end/25724
15575 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
15576 (do_jump_parts_zero_rtx): New function renamed from
15577 do_jump_parts_equality_rtx. Made static. Add a mode argument.
15578 (do_jump_parts_equality_rtx): New function split out from
15579 do_jump_parts_equality. Old implementation renamed as above.
15580 Call do_jump_parts_zero_rtx if either operand is zero.
15581 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
15582 do all of the heavy lifting.
15583 (do_compare_rtx_and_jump): Handle multi-word comparisons by
15584 calling either do_jump_by_parts_greater_rtx or
15585 do_jump_by_parts_equality_rtx.
15586 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
15587 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
15588 moved to do_compare_rtx_and_jump, call it directly.
15589 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
15590 mode argument. Call do_compare_rtx_and_jump.
15591 (emit_case_nodes): Update calls to do_jump_if_equal.
15593 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15595 PR rtl-optimization/26225
15596 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
15598 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15600 PR rtl-optimization/26232
15601 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
15603 2006-02-11 Jason Merrill <jason@redhat.com>
15606 * tree-inline.c (declare_return_variable): Just don't use the
15607 modify target if it's a gimple complex reg and the return slot
15610 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15612 * doc/contrib.texi: Update my entry.
15614 2006-02-10 Geoffrey Keating <geoffk@apple.com>
15616 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
15618 2006-02-10 Diego Novillo <dnovillo@redhat.com>
15620 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
15623 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
15625 * doc/invoke.texi (-floop-optimize2): Removed.
15626 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
15627 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
15628 Test flag_branch_on_count_reg only if HAVE_doloop_end.
15629 * common.opt (floop-optimize2): Removed.
15630 (fmove-loop-invariants): Enabled by default.
15632 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
15634 * tree-if-conv.c (combine_blocks): Free the result of
15635 get_loop_exit_edges.
15637 2006-02-10 Jeff Law <law@redhat.com>
15639 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
15641 PR tree-optimization/26213
15642 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
15643 loop trying to follow SSA_NAME_VALUE chains.
15645 2006-02-10 Richard Guenther <rguenther@suse.de>
15647 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
15648 deal with structures that end in implicitly variable sized arrays.
15650 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15652 PR rtl-optimization/24762
15653 * df-scan.c (df_bb_refs_record): Record correct registers defined on
15656 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15658 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
15659 (struct ivopts_data): Add regs_used field.
15660 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
15661 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
15662 instead of loop_data->regs_used;
15663 (free_loop_data): Do not free aux fields for loops.
15664 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
15665 and tree_ssa_iv_optimize_finalize.
15667 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
15669 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
15671 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15674 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
15675 computing the effective result type.
15677 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15679 PR inline-asm/16194
15680 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
15681 (tree_overlaps_hard_reg_set): Declare.
15682 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
15683 type and signature to match function type expected by walk_tree.
15684 (tree_overlaps_hard_reg_set): New function.
15685 (decl_conflicts_with_clobbers_p): Rename to:
15686 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
15687 Use tree_overlaps_hard_reg_set. Changed caller.
15688 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
15689 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
15690 * cris.c (cris_md_asm_clobbers): Likewise.
15692 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
15694 * reload1.c (emit_input_reload_insns): Delete code that tries to
15695 inherit using find_equiv_reg.
15697 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
15699 * c-common.h (flag_const_strings): Don't declare.
15700 * c-common.c (flag_const_strings): Remove.
15701 * c.opt (fconst_strings): Remove.
15702 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
15703 <OPT_Wwrite_strings>: Don't set flag_const_strings.
15704 (c_common_init_options): Don't set flag_const_strings.
15705 * doc/invoke.texi (-fno-const-strings): Remove documentation.
15707 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
15709 * arm.md (tlobits_cbranch): New pattern.
15710 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
15711 testing a single bit.
15713 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15716 * tree-ssa-pre.c (create_component_ref_by_pieces):
15717 Handle RETURN_DECL like VAR_DECL.
15719 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15721 PR middle-end/26134
15722 * fold-const.c (fold_indirect_ref_1): Fold
15723 "*(foo *)&complexfoo" to "__real__ complexfoo"
15724 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
15726 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15728 * tree-flow-inline.h (var_can_have_subvars):
15729 Volatile variables should not have subvariables.
15731 2006-02-09 Diego Novillo <dnovillo@redhat.com>
15734 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
15735 multiplying unsigned values.
15738 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
15740 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
15742 2006-02-08 Jason Merrill <jason@redhat.com>
15745 * tree.def: Elaborate on difference from MODIFY_EXPR.
15746 * doc/c-tree.texi (INIT_EXPR): Likewise.
15747 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
15748 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
15749 (gimplify_target_expr): Likewise.
15750 (gimplify_cond_expr): Remove target handling.
15751 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
15752 (gimplify_expr): Clobber it here.
15753 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
15754 Do return slot optimization if we have an INIT_EXPR.
15757 * tree-inline.c (declare_return_variable): Also clear
15758 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
15761 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
15763 PR middle-end/22439
15764 * gimplify.c (gimplify_one_sizepos): Fix typo.
15766 2006-02-08 Jeff Law <law@redhat.com>
15768 PR tree-optimization/21417
15769 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
15770 across a backedge if the control statement at the end of the
15771 block is data dependent on other statements in the same block.
15772 (record_temporary_equivalences_from_stmts): Remove over-conservative
15773 test for threading across backedges.
15775 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
15776 control statement, handle all three special cases in the same
15777 manner as they all have the same desired solution. No longer
15778 special case edge flag updating when the post dominator is
15781 2006-02-08 Roger Sayle <roger@eyesopen.com>
15783 * tree.def (CHAR_TYPE): Remove.
15784 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
15785 * dwarf2out.c (base_type_die, is_base_type): Likewise.
15786 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
15787 (gen_string_type_die): Delete unreachable function.
15789 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
15790 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
15791 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
15792 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
15793 * builtins.c (type_to_class): Likewise.
15794 * fold-const.c (fold_convert, build_range_check,
15795 merge_ranges): Likewise.
15796 * expr.c (count_type_elements): Likewise.
15797 * c-pretty-print.c (pp_c_type_specifier): Likewise.
15798 * stor-layout.c (layout_type): Likewise.
15799 * ipa-type-escape.c (type_to_consider): Likewise.
15800 * gimplify.c (omp_firstprivatize_type_sizes,
15801 gimplify_type_sizes): Likewise.
15802 * explow.c (promote_mode): Likewise.
15803 * tree-sra.c (is_sra_scalar_type): Likewise.
15804 * varasm.c (output_constant): Likewise.
15805 * tree-inline.c (remap_type_1): Likewise.
15806 * convert.c (convert_to_pointer, convert_to_real,
15807 convert_to_integer, convert_to_complex): Likewise.
15809 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
15811 * df-scan.c (df_def_record_1): A set destination may
15812 be a parallel regardless of mode.
15814 2006-02-08 Roger Sayle <roger@eyesopen.com>
15817 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
15818 * config/mips/_tilib.c: Remove.
15819 * config/fixtfdi.c: New libgcc source file.
15820 * config/fixunstfdi.c: New source file.
15821 * config/floatditf.c: New source file.
15822 * config/floatunditf.c: New souce file.
15823 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
15824 files above instead of config/mips/_tilib.c.
15825 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
15827 2006-02-08 Jeff Law <law@redhat.com>
15829 PR tree-optimization/26169
15830 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
15833 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
15835 * df.h (DF_REG_SIZE): Return the length of the initialized
15838 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
15840 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
15841 __muldf3): Return a correctly signed zero.
15843 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
15845 * passes.c (register_one_dump_file): Accept the current properties
15846 instead of pass number. Adjust call to dump_register. Remove
15848 (register_dump_files): Now a wrapper around...
15849 (register_dump_files_1): ... this one. Do not modify the pass
15851 (next_pass_1): Cosmetic fix.
15852 (execute_todo): Keep second parameter only. Use curr_properties
15853 instead of fetching it from the pass structure. Check and set
15855 (execute_one_pass): Handle TODO_set_props. Use curr_properties
15856 instead of fetching it from the pass structure. Fix calls to
15857 execute_todo. Update curr_properties and initialize .vcg RTL dump
15858 after running the pass. Reset last_verified.
15859 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
15861 (FIRST_AUTO_NUMBERED_DUMP): New.
15862 (dump_register): Remove "num" parameter, assign it within the
15864 (get_dump_file_name): Modify template for dumps.
15865 * tree-dump.h (dump_register): Adjust prototype.
15866 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
15867 (PROP_trees): Add PROP_gimple_lomp.
15868 (TODO_set_props): New.
15869 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
15870 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
15871 * cfgexpand.c (pass_expand): Destroy PROP_trees.
15873 2006-02-08 Jakub Jelinek <jakub@redhat.com>
15875 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
15876 (sparc64-*-linux*): Likewise.
15877 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
15878 * config/sparc/t-linux: New file.
15879 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
15880 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
15881 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
15882 -m32 -mlong-double-128.
15884 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
15885 * config/alpha/t-linux: New file.
15886 * config/alpha/libgcc-alpha-ldbl.ver: New file.
15888 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
15889 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
15890 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
15891 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
15892 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
15893 (CPP_ARCH32_SPEC): Remove.
15895 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
15897 PR tree-optimization/26145
15898 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
15901 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15904 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
15905 >= 240000 when generating code for SOM runtime.
15906 (output_indirect_call): Don't use "b,l" instruction for indirect calls
15907 to $$dyncall when generating code for SOM runtime..
15909 2006-02-07 Dirk Mueller <dmueller@suse.com>
15912 * doc/invoke.texi (-Wsequence-point): Update documentation
15913 that -Wsequence-point is implemented for C++ as well.
15915 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15917 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
15918 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
15919 (LIB_SPEC): Likewise.
15920 * doc/invoke.texi (SPARC options): Document -pthread.
15922 2006-02-07 Geoffrey Keating <geoffk@apple.com>
15924 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
15927 2006-02-07 Roger Sayle <roger@eyesopen.com>
15929 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
15930 Correct comment describing BOOLEAN_TYPE.
15932 2006-02-07 Dirk Mueller <dmueller@suse.com>
15934 * c.opt: C++ frontend supports -Wdiv-by-zero.
15935 * c-opts.c (c_common_handle_option): Remove dead case.
15937 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15939 * configure.ac (TLS assembler check): Do not enable TLS by
15940 default on SPARC/Solaris before version 10.
15941 * configure: Regenerate.
15943 2006-02-07 David Edelsohn <edelsohn@gnu.org>
15945 * doc/invoke.texi (xl-compat): Document conversion and support
15948 2006-02-07 Jeff Law <law@redhat.com>
15950 * tree-vrp.c (find_conditional_asserts): Update comments.
15951 (simplify_stmt_for_jump_threading): New.
15952 (identify_jump_threads, finalize_jump_threads): New.
15953 (vrp_finalize): Call identify_jump_threads.
15954 (execute_vrp): Call finalize_jump_threads.
15955 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
15956 (vrp_element, vrp_data, vrp_element_p): Remove.
15957 (vrp_hash_elt, vrp_variables_stack): Remove.
15958 (vrp_hash, vrp_eq, record_range): Remove.
15959 (simplify_cond_and_lookup_avail_expr): Remove.
15960 (extract_range_from_cond): Remove.
15961 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
15962 (simplify_stmt_for_jump_threading): New.
15963 (dom_thread_across_edge): New wrapper.
15964 (tree_ssa_dominator_optimize): No longer initialize or
15965 finalize any of the VRP datastructures. Remove iteration
15966 step and simplify as a result of removal of iteration step.
15967 (pass_dominator): Perform a cfg cleanup after DOM.
15968 (dom_opt_finalize_block): Use the new common routines
15969 for threading jumps. Simplify stack management slightly.
15970 No longer need to unwind VRP state.
15971 (record_equivalences_from_incoming_edge): No longer record
15973 (eliminate_redundant_computations): No longer call
15974 simplify_cond_and_lookup_avail_expr.
15975 * tree-flow.h (potentially_threadable_block): Prototype.
15976 (thread_across_edge): Likewise.
15977 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
15978 (tree-ssa-threadedge.o): Add dependencies.
15979 * tree-ssa-threadedge.c: New file.
15980 * passes.c (init_optimization_passes): Merge PHIs before
15981 calling VRP. Run VRP again late in the SSA optimization pipeline.
15983 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15985 * df-core.c (df_set_blocks): Do not dereference function pointers.
15986 (df_finish1): Likewise.
15987 (df_hybrid_search_forward): Likewise.
15988 (df_hybrid_search_backward): Likewise.
15989 (df_iterative_dataflow): Likewise.
15990 (df_analyze_problem): Likewise.
15991 (df_compact_blocks): Likewise.
15992 (df_dump): Likewise.
15993 * df-scan.c (df_rescan_blocks): Likewise.
15994 (df_record_entry_block_defs): Likewise.
15996 * genconditions.c (write_conditions): Guard the definition of
15997 'insn_conditions' with the check on GCC version.
15998 (write_writer): Guard the traversal 'insn_conditions' with
15999 the check on GCC version.
16001 2006-02-07 Richard Guenther <rguenther@suse.de>
16005 2006-01-30 Richard Guenther <rguenther@suse.de>
16007 * gimplify.c (gimplify_target_expr): Handle easy cases
16008 without creating a temporary.
16010 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
16012 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
16013 use of float in probability computations. Use edge probabilities
16014 in place of statically computed probabilities.
16015 (min_spec_prob): New static variable.
16016 (schedule_insns): Initialize it.
16017 (GET_SRC_PROB): Removed.
16018 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
16020 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
16023 * config/ia64/unwind-ia64.c: Revert last change.
16024 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
16025 (INCOMING_FRAME_SP_OFFSET): Define.
16027 2006-02-06 Roger Sayle <roger@eyesopen.com>
16029 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
16031 2006-02-07 Ben Elliston <bje@au.ibm.com>
16033 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
16034 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
16035 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
16036 (ix86_return_in_memory): Handle TDmode.
16037 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
16038 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
16040 2006-02-06 Richard Sandiford <richard@codesourcery.com>
16042 * reorg.c (dbr_schedule): Use dump_file instead of file.
16044 2006-02-06 Steve Ellcey <sje@cup.hp.com>
16047 * config/ia64/predicates.md (extr_len_operand): New predicate.
16048 * config/ia64/ia64.md (extv): Tighten constraints.
16050 (*tbit_and_2): Ditto.
16051 (*tbit_and_3): Ditto.
16052 (*tbit_or_2): Ditto.
16053 (*tbit_or_3): Ditto.
16054 (*bit_zero): Ditto.
16057 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
16060 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
16062 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
16064 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
16065 loop_optimizer_init and loop_optimizer_finalize
16066 * tree-ssa-sink.c (execute_sink_code): Ditto.
16067 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
16068 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
16069 tree_ssa_loop_done): Ditto.
16070 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
16071 * sched-ebb.c: Include output.h.
16072 (schedule_ebbs): Do not use dump argument.
16073 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
16074 * loop.c (loop_dump_stream): Removed.
16075 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
16077 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
16078 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
16079 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
16080 loop_iterations, strength_reduce, record_biv, record_giv,
16081 final_giv_value, check_final_value, check_ext_dependent_givs,
16082 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
16083 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
16084 dump_file instead of loop_dump_stream.
16085 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
16086 argument dump_file.
16087 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
16089 * flow.c (life_analysis, rest_of_handle_life): Ditto.
16090 * haifa-sched.c: Include output.h
16091 (schedule_insns, sched_init): Do not use dump argument.
16092 * mode-switching.c (optimize_mode_switching): Ditto.
16093 * modulo-sched.c (stats_file): Removed.
16094 (print_node_sched_params): Do not call argument dump_file.
16095 (sms_schedule_by_order, loop_canon_p, sms_schedule,
16096 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
16098 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
16100 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
16101 rtl_loop_init, rtl_loop_done): Ditto.
16102 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
16103 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
16105 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
16106 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
16107 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
16108 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
16109 * emit-rtl.c (renumber_insns): Ditto.
16110 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
16111 expand_gimple_basic_block, tree_expand_cfg): Ditto.
16112 * regclass.c (regclass): Ditto.
16113 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
16114 remove_ssa_form, rewrite_out_of_ssa): Ditto.
16115 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
16116 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
16118 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
16119 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
16121 * gcse.c (gcse_file, debug_stderr): Removed.
16122 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
16123 rest_of_handle_gcse): Do not use dump argument.
16124 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
16125 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
16126 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
16127 compute_code_hoist_vbeinout, compute_code_hoist_data,
16128 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
16129 compute_store_table, build_store_vectors, insert_insn_start_bb,
16130 insert_store, remove_reachable_equiv_notes, replace_store_insn,
16131 store_motion): Use dump_file instead of gcse_file.
16132 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
16133 * profile.c (profile_dump_file): Removed.
16134 (branch_prob): Use dump_file instead of profile_dump_file.
16135 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
16137 * tree-ssa-copy.c (dump_copy_of): Ditto.
16138 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
16139 dump file to life_analysis.
16140 * bt-load.c (branch_target_load_optimize): Ditto.
16141 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
16143 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
16144 regclass, dbr_schedule): Declaration changed.
16145 * sched-int.h (sched_init): Declaration changed.
16146 * tree-profile.c (tree_profile_dump_file): Removed.
16147 (tree_profile_hooks): Removed profile_dump_file hook.
16148 * rtl-profile (rtl_profile_dump_file): Removed.
16149 (rtl_profile_hooks): emoved profile_dump_file hook.
16150 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
16152 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
16153 * tree-cfg.c (build_tree_cfg): Ditto.
16154 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
16155 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
16156 Declaration changed.
16157 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
16158 life_analysis and schedule_insns.
16159 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
16161 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
16163 * config/mips/mips.c (mips_reorg): Ditto.
16164 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
16167 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
16169 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16170 (s390_mangle_fundamental_type): New.
16171 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16174 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16175 (alpha_mangle_fundamental_type): New.
16176 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16179 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16181 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16183 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16184 (sparc_mangle_fundamental_type): New.
16186 2006-02-06 Jakub Jelinek <jakub@redhat.com>
16188 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
16189 (s390x-*-linux*): Likewise.
16190 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
16191 * config/s390/t-linux: New file.
16193 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16195 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
16196 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
16198 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
16200 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
16201 (ANTIC_SAFE_LOADS): New macro.
16202 (find_or_generate_expression): Add prototype.
16203 (set_contains_value): Allow null set for sake of not always having
16204 to allocate ANTIC_SAFE_LOADS.
16205 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
16206 Allow COMPONENT_REF too.
16207 (valid_in_set): Allow COMPONENT_REF.
16208 Check ANTIC_SAFE_LOADS too.
16209 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
16210 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
16212 (can_PRE_operation): Add COMPONENT_REF.
16213 (create_component_ref_by_pieces): New function.
16214 (create_expression_by_pieces): Use create_component_ref_by_pieces.
16215 (insert_aux): Move AGGREGATE_TYPE_P check here.
16216 (compute_avail): Set bb local stmt uids.
16217 (pass_pre): Use TODO_update_ssa_only_virtuals.
16219 2006-02-06 Ben Elliston <bje@au.ibm.com>
16221 * configure.ac: Unconditionally disable decimal float by default.
16222 * configure: Regenerate.
16224 2006-02-06 Ben Elliston <bje@au.ibm.com>
16226 * read-rtl.c (read_name): Terminate reading on EOF.
16228 2006-02-06 Ben Elliston <bje@au.ibm.com>
16230 * dfp.c (decimal_real_arithmetic): Change second argument type
16231 from int to enum tree_code. Do not always return true, but now
16232 return result of any call to decimal_do helper functions.
16233 * dfp.h (decimal_real_arithmetic): Update prototype.
16235 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
16237 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
16239 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
16242 * tree-cfg.c (cleanup_dead_labels): Also don't remove
16245 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16247 * tree-vrp.c (cfg_loops): Removed.
16248 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
16249 Use current_loops instead of cfg_loops. Pass flags to
16250 loop_optimizer_init.
16251 * cfgloopmanip.c (fix_loop_structure): Update only available
16253 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
16254 loop_optimizer_init.
16255 * modulo-sched.c (build_loops_structure): Removed.
16256 (sms_schedule): Use loop_optimizer_init.
16257 * loop-init.c (loop_optimizer_init): Use flags to determine
16258 which properties of loops to prepare.
16259 (rtl_loop_init): Pass flags to loop_optimizer_init.
16260 * tree-ssa-sink.c (execute_sink_code): Ditto.
16261 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
16262 * tree-ssa-pre.c (init_pre): Ditto.
16263 * cfgloop.h (LOOPS_NORMAL): New.
16264 (loop_optimizer_init): Declaration changed.
16266 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16268 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
16269 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
16271 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
16273 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
16275 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
16276 * pa/t-pa64: Delete quadlib.c rule.
16277 * pa/x-ada: Revert last change.
16278 * pa/t-pa: Revert last change. Delete quadlib.c rule.
16280 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16282 PR rtl-optimization/26087
16283 * rtlanal.c (canonicalize_condition): Do not cross basic block
16286 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
16289 * config/ia64/ia64.c: Include debug.h.
16290 (MAX_ARTIFICIAL_LABEL_BYTES): New.
16291 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
16292 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
16293 (process_epilogue, process_set, process_for_unwind_directive):
16294 Output unwind info only if requested. Add CFA info if requested.
16295 Add new arguments as needed. Adjust callers.
16296 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
16298 (DWARF2_FRAME_INFO): Define to zero.
16299 * config/ia64/unwind-ia64.c: Remove code that compensated for
16300 the CFA offset error fixed above.
16301 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
16302 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
16303 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
16304 -funwind-tables and -fexceptions to enable frame info.
16305 (dwarf2out_frame_init): Define initial CFA even if
16306 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
16307 DWARF2_UNWIND_INFO is nonzero, not just defined.
16308 (dwarf2out_frame_finish): Output non-EH call frame info only
16309 if DWARF2_FRAME_INFO is nonzero.
16310 (convert_cfa_to_loc_list,
16311 compute_frame_pointer_to_cfa_displacement): Define even if
16312 unwind info is not supported.
16313 (gen_subprogram_die): Use the above unconditionally. Remove
16314 legacy alternate code.
16315 * toplev.c (compile_file): Compile in call to
16316 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
16317 (lang_dependent_init): Ditto for dwarf2out_frame_init.
16319 2006-02-04 David Edelsohn <edelsohn@gnu.org>
16320 Jakub Jelinek <jakub@redhat.com>
16322 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
16323 IBM extended float format long double as "g" on powerpc*-linux.
16325 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16328 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
16329 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
16331 2006-02-03 Jason Merrill <jason@redhat.com>
16334 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
16336 PR middle-end/25977
16337 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
16338 on the return slot if it's an NRV.
16340 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
16342 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
16343 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
16344 rewrite_use): Do not handle USE_OUTER.
16345 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
16346 add_iv_outer_candidates, may_replace_final_value,
16347 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
16348 (find_interesting_uses_op): Functionality of
16349 find_interesting_uses_outer_or_nonlin moved here.
16350 (find_interesting_uses_outside): Use find_interesting_uses_op.
16352 2006-02-03 Alan Modra <amodra@bigpond.net.au>
16355 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
16357 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
16358 Ulrich Weigand <uweigand@de.ibm.com>
16361 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
16362 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
16363 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
16364 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
16366 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
16367 (s390_rtx_costs): Use the new fields to calculate rtx costs.
16368 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
16369 Define secondary reloads for TFmode moves.
16370 (constant_modes): Add TFmode.
16371 (NR_C_MODES): Set to 8.
16372 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
16374 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
16375 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
16376 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
16377 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
16378 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
16379 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
16380 (FPR mode macro): Add TFmode.
16381 (DSF mode macro): New.
16382 (<de>, <dee> mode attributes): Removed.
16383 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
16384 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
16385 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
16386 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
16387 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
16388 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
16389 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
16390 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
16391 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
16392 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
16393 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
16394 "*negabs<mode>2", "sqrt<mode>2"):
16395 Changed <de> to <xde>. R constraint replaced by <Rf>.
16396 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
16398 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
16399 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
16400 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
16402 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
16403 "extenddftf2", "extendsftf2"): New expanders.
16404 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
16405 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
16406 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
16407 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
16409 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
16410 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
16411 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
16412 __floatditf): Add a GCC_4.1.0 symbol version tag.
16413 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
16416 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
16419 * config/i386/i386.c (ix86_function_ok_for_sibcall):
16420 Use targetm.binds_local_p instead of TREE_PUBLIC.
16422 2006-02-02 Roger Sayle <roger@eyesopen.com>
16424 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
16425 on INTEGER_TYPEs to indicate that it denotes a character type.
16426 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
16427 signed_char_type_node, unsigned_char_type_node and char_type_node.
16428 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
16429 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
16430 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
16432 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
16433 Daniel Berlin <dberlin@dberlin.org>
16435 * tree-tailcall.c (arg_needs_copy_p): New function.
16436 (eliminate_tail_call): Use arg_needs_copy_p.
16437 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
16438 (add_virtual_phis): New function.
16440 2006-02-02 Jakub Jelinek <jakub@redhat.com>
16442 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
16443 #ignore instead of #scratch for %g7 .register directive.
16445 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
16447 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
16450 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16452 * flow.c (calculate_global_regs_live): Assert that there aren't any
16455 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
16457 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
16458 what its name says.
16459 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
16460 bsi_after_labels iterator.
16461 * tree-if-conv.c (find_phi_replacement_condition,
16462 replace_phi_with_cond_modify_expr): Likewise.
16463 * tree-scalar-evolution.c (scev_const_prop): Likewise.
16464 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
16466 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16468 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
16470 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16473 * tree-cfg.c (move_block_to_fn): Clear out the basic block
16474 array after growing it.
16476 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16478 PR middle-end/24901
16479 * fold-const.c (fold_checksum_tree): Change type of buf.
16481 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
16483 * reload.c (push_secondary_reload): Initialize t_icode.
16485 2006-02-01 Jakub Jelinek <jakub@redhat.com>
16487 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
16488 -msoft-float -mlong-double-128 only issue a warning, but don't
16489 swich to DFmode long double.
16491 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
16493 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
16494 has a constant equivalent, iterate over equivalents for arg0,
16495 calling simplify_relational_operation and if there's a result
16496 cheaper than X, apply fold_rtx and return the result.
16498 2006-02-01 Jan Hubicka <jh@suse.cz>
16500 * opts.c (no_unit_at_a_time_default): New global variable.
16501 (decode_options): Use it.
16502 * opts.h (no_unit_at_a_time_default): Declare.
16504 2006-02-01 Paul Brook <paul@codesourcery.com>
16506 * function.c (assign_parm_setup_reg): Use function argument promotion
16508 * expr.c (expand_expr_real_1): Use function argument promotion rules
16511 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16513 * gcc.c (process_command): Change j to 'unsigned int'.
16515 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16517 PR middle-end/26001
16518 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
16519 Use the corrected index for the character
16520 out of the string constant.
16522 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16524 * mode-switching.c (optimize_mode_switching): Fix size
16525 allocated for bb_info[n_entities].
16527 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16529 * gcc.c (main): Correct type that is allocated for
16530 explicit_link_files.
16532 2006-01-31 Jakub Jelinek <jakub@redhat.com>
16534 * config/s390/s390.c (init_alignment_context): Set
16535 ALIAS_SET_MEMORY_BARRIER on the MEM.
16536 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
16538 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
16540 PR middle-end/25933
16541 * loop-unroll.c (unroll_loop_runtime_iterations): Free
16543 * tree-ssa-live.c (type_var_init): Allocate bitmap after
16546 2006-01-31 Marcin Dalecki <martin@dalecki.de>
16548 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
16549 * regrename.c: Ditto.
16550 * tree-ssa-loop-im.c: Ditto.
16551 * tree-dump.c: Ditto.
16552 * tree-complex.c: Ditto.
16553 * genrecog.c: Ditto.
16554 * tree-ssa-threadupdate.c: Ditto.
16556 * java/class.c: Ditto.
16557 * java/jcf-parse.c: Ditto.
16558 * java/resource.c: Ditto.
16559 * java/except.c: Ditto.
16560 * java/jvspec.c: Ditto.
16561 * java/jcf-write.c: Ditto.
16562 * java/jcf-path.c: Ditto.
16563 * java/gjavah.c: Ditto.
16564 * java/zextract.c: Ditto.
16565 * java/jcf-io.c: Ditto.
16566 * java/jcf.h: Ditto.
16567 * java/buffer.c: Ditto.
16568 * java/lang.c: Ditto.
16569 * java/parse-scan.y: Ditto.
16570 * java/lex.c: Ditto.
16571 * java/lex.h: Ditto.
16572 * cfgloopmanip.c: Ditto.
16573 * postreload-gcse.c: Ditto.
16574 * tree-ssa-loop-manip.c: Ditto.
16575 * postreload.c: Ditto.
16576 * tree-ssa-loop-ch.c: Ditto.
16579 * cppspec.c: Ditto.
16580 * diagnostic.c: Ditto.
16582 * genoutput.c: Ditto.
16584 * cfghooks.c: Ditto.
16585 * cfgloopanal.c: Ditto.
16586 * objc/objc-act.c: Ditto.
16588 * genextract.c: Ditto.
16589 * genautomata.c: Ditto.
16590 * pretty-print.c: Ditto.
16591 * genemit.c: Ditto.
16592 * cgraphunit.c: Ditto.
16594 * df-scan.c: Ditto.
16595 * haifa-sched.c: Ditto.
16596 * dominance.c: Ditto.
16598 * tree-ssa-loop-ivopts.c: Ditto.
16599 * df-core.c: Ditto.
16600 * mode-switching.c: Ditto.
16601 * modulo-sched.c: Ditto.
16603 * ipa-pure-const.c: Ditto.
16605 * fix-header.c: Ditto.
16607 * tree-stdarg.c: Ditto.
16608 * ipa-utils.c: Ditto.
16609 * loop-init.c: Ditto.
16610 * ipa-inline.c: Ditto.
16611 * cfganal.c: Ditto.
16613 * alloc-pool.c: Ditto.
16614 * dwarf2out.c: Ditto.
16616 * genattrtab.c: Ditto.
16617 * tree-ssa-loop-ivcanon.c: Ditto.
16618 * predict.c: Ditto.
16619 * timevar.c: Ditto.
16621 * fortran/gfortranspec.c: Ditto.
16622 * regmove.c: Ditto.
16623 * local-alloc.c: Ditto.
16624 * langhooks.c: Ditto.
16625 * function.c: Ditto.
16626 * tree-vectorizer.c: Ditto.
16628 * ipa-type-escape.c: Ditto.
16630 * tree-if-conv.c: Ditto.
16631 * profile.c: Ditto.
16633 * tree-data-ref.c: Ditto.
16634 * loop-unroll.c: Ditto.
16635 * treelang/treetree.c: Ditto.
16637 * bt-load.c: Ditto.
16638 * ggc-common.c: Ditto.
16640 * coverage.c: Ditto.
16642 * tree-cfgcleanup.c: Ditto.
16643 * tree-ssa-pre.c: Ditto.
16644 * cfgcleanup.c: Ditto.
16645 * loop-invariant.c: Ditto.
16646 * loop-iv.c: Ditto.
16647 * ipa-prop.c: Ditto.
16648 * print-tree.c: Ditto.
16649 * conflict.c: Ditto.
16650 * ggc-page.c: Ditto.
16651 * sched-deps.c: Ditto.
16652 * regclass.c: Ditto.
16653 * tree-object-size.c: Ditto.
16654 * combine.c: Ditto.
16655 * bb-reorder.c: Ditto.
16656 * resource.c: Ditto.
16657 * var-tracking.c: Ditto.
16658 * cfgloop.c: Ditto.
16659 * df-problems.c: Ditto.
16660 * reg-stack.c: Ditto.
16662 * gccspec.c: Ditto.
16663 * sched-rgn.c: Ditto.
16664 * tree-ssa-structalias.c: Ditto.
16665 * tree-ssa-reassoc.c: Ditto.
16666 * config/darwin-c.c: Ditto.
16667 * config/darwin.c: Ditto.
16668 * config/arm/arm.c: Ditto.
16670 * collect2.c: Ditto.
16671 * reload1.c: Ditto.
16673 2006-01-31 Nicolas Pitre <nico@cam.org>
16675 * arm.md (smaxsi3): Make aware of smax_m1.
16678 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
16680 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
16682 2006-01-31 Richard Guenther <rguenther@suse.de>
16684 * doc/invoke.texi (-msselibm): Document.
16685 * target.h (expand_library_builtin): New target hook.
16686 * builtins.c (expand_builtin): Use expand_library_builtin.
16687 (default_expand_library_builtin): New function.
16688 * gcc.c (LINK_GCC_MATH_SPEC): Define.
16689 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
16690 (link_gcc_math_spec): Declare.
16691 (static_specs): Add link_gcc_math_spec.
16692 * expr.h (default_expand_library_builtin): Declare.
16693 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16694 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
16695 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
16696 * config/i386/i386.opt (msselibm): New target option.
16697 * config/i386/i386.c (ix86_builtin_function_variants): New array.
16698 (ix86_init_sse_abi_builtins): New function.
16699 (ix86_expand_library_builtin): Likewise.
16700 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16701 (override_options): Handle error conditions wrt -msselibm.
16702 (ix86_builtins): Add function codes for SSE2 ABI builtins.
16703 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
16704 * doc/extend.texi (__builtin_sse2_*): Document new target specific
16707 2006-01-31 Richard Guenther <rguenther@suse.de>
16708 Paolo Bonzini <bonzini@gnu.org>
16710 * doc/install.texi (--disable-libgcc-math): Document.
16712 2006-01-30 Marcin Dalecki <martin@dalecki.de>
16714 * expr.h (expand_normal): new inline function.
16715 * builtins.c: use it, use EXPAND_NORMAL explicitely.
16716 * dojump.c: use it.
16717 * dwarf2out.c: use it.
16720 * expmed.c: use it.
16721 * except.c: use it.
16722 * config/sparc/sparc.c: use it.
16723 * config/i386/i386.c: use it.
16724 * config/rs6000/rs6000.c: use it.
16725 * config/arm/arm.c: use it.
16726 * config/mips/mips.c: use it.
16727 * stmt.c: use it, use EXPAND_NORMAL explicitely.
16729 2006-01-30 Roger Sayle <roger@eyesopen.com>
16731 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
16732 argv to the appropriate type.
16734 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
16736 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
16739 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
16742 * config/s390/s390.c (struct machine_function): New flag
16743 decomposed_literal_pool_addresses_ok_p.
16744 (s390_reorg): Set it before final stage of literal pool transforms.
16745 (s390_decompose_address): Only accept displacements of the form
16746 (minus (label_ref ...) (label_ref ...)) if that flag is set.
16748 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
16750 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
16751 the comparison routine return.
16753 2006-01-30 Michael Matz <matz@suse.de>
16755 * global.c (find_reg): Only evict for global regs.
16756 Take n_refs into account and dump more info.
16758 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
16761 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
16762 (pragma_trap, pragma_nosave_low_regs): Likewise.
16763 (current_function_anonymous_args): Likewise.
16764 (sh_deferred_function_attributes): New variable.
16765 (sh_deferred_function_attributes_tail): Likewise.
16766 (print_operand): For '@', look up trap_exit attribute.
16767 (calc_live_regs): Look up trapa_handler attribute. For trapa
16768 handlers, save/restore fpscr, but don't do any other
16769 interrupt-specific saves.
16770 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
16771 Fix check for partially saved registers to check for SHmedia.
16772 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
16773 (sh_output_function_epilogue): Don't clear any of the removed
16775 (sh_insert_attributes): Don't check pragma_interrupt.
16776 Insert deferred attributes. Check that interrupt attribute is
16777 present for other attributes that require its presence.
16778 (sh_attribute_table): Add new attributes trapa_handler and
16780 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
16781 Don't check for pragma_interrupt. Don't store argument.
16782 * sh.h (pragma_interrupt, sp_switch): Don't declare.
16783 (sh_deferred_function_attributes): Declare.
16784 (sh_deferred_function_attributes_tail): Likewise.
16785 * sh.md (sp_switch_1): Add operand. Change generator caller.
16786 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
16787 (*return_i): Don't use when trap_exit attribute is in effect.
16788 (*return_trapa): New insn pattern.
16789 * sh-c.c: New file.
16790 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
16791 setting c_target_objs and cxx_target_objs.
16792 * t-sh: Add rule for sh-c.o.
16794 2006-01-30 Richard Guenther <rguenther@suse.de>
16797 * gimplify.c (gimplify_target_expr): Handle easy cases
16798 without creating a temporary.
16800 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
16802 * vec.h (safe_grow): Remove duplicated line.
16804 2006-01-29 Diego Novillo <dnovillo@redhat.com>
16807 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
16808 (expand_omp): ... here.
16809 (expand_omp_parallel): Only remove barriers for combined
16810 parallel+workshare constructs.
16812 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
16816 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
16817 * tree.c (build_qualified_type): Chain the new type to the original
16818 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
16819 a POINTER_TYPE or a REFERENCE_TYPE respectively.
16820 (build_pointer_type_for_mode): Only return unqualified types.
16821 (build_reference_type_for_mode): Likewise.
16823 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
16825 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
16826 * Makefile.in (CXX_COMPAT_WARN): Define.
16827 * configure: Regenerate.
16829 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
16832 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
16835 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16837 * toplev.c: Fix thinko.
16839 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16840 Marcin Dalecki <martin@dalecki.de>
16842 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
16843 (push_srcloc): Use XNEW.
16844 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
16846 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
16848 * df-core.c (df_set_blocks): Deleted all variable.
16850 2006-01-28 Ian Lance Taylor <ian@airs.com>
16852 * cgraphunit.c (cgraph_assemble_pending_functions): Call
16853 cgraph_output_pending_asms.
16855 2006-01-28 Zack Weinberg <zackw@panix.com>
16857 * c.opt: Add -W(no-)overlength-strings.
16858 * doc/invoke.texi: Document it.
16859 * c-opts.c (c_common_handle_option): -pedantic implies
16860 -Woverlength-strings, if not explicitly disabled already.
16861 (c_common_post_options): -Woverlength-strings defaults to off, and
16862 is always off for C++.
16863 * c-common.c (fix_string_type): Issue warning about strings longer
16864 than is portable only if warn_overlength_strings. Rearrange code
16865 a little for clarity.
16866 * configure.in: Check for -Wno-overlength-strings as well before
16867 enabling -pedantic in stage 1.
16868 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
16869 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
16871 * genconditions.c (write_header, write_one_condition)
16872 (write_conditions, write_writer): Consolidate very long strings
16873 that were broken up to fit in C89 portable limit. Don't use
16874 printf when fputs will do.
16876 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
16878 * combine.c (simplify_comparison <AND>): Check
16879 TRULY_NOOP_TRUNCATION before start using a subreg.
16881 * config/mips/mips.md (*branch_zero<mode>,
16882 *branch_zero<mode>_inverted, *branch_equality<mode>,
16883 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
16884 Remove mode check from comparisons.
16886 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
16888 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
16890 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16892 * expmed.c (const_mult_add_overflow_p): Remove.
16893 * expr.h: Remove the prototype for const_mult_add_overflow_p.
16895 * recog.c (validate_replace_rtx_subexp): Remove.
16896 * recog.h: Remove the prototype for
16897 validate_replace_rtx_subexp.
16899 * integrate.h: Remove the prototype for
16900 copy_decl_for_inlining.
16901 * rtl.h: Remove the prototype for mark_constant_function.
16902 * tree-vectorizer.h: Remove the prototype for
16903 vect_strip_conversion.
16905 * modulo-sched.c (create_partial_schedule,
16906 free_partial_schedule, reset_partial_schedule): Make them
16909 * hooks.c (hook_bool_rtx_int_false): Remove.
16910 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
16912 2006-01-28 David Edelsohn <edelsohn@gnu.org>
16914 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16915 and -mlong-double-128 are incompatible.
16916 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
16917 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
16918 (TARGET_LIBGCC2_CFLAGS): Define.
16919 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
16920 (TARGET_LIBGCC2_CFLAGS): Same.
16921 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
16923 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16926 * c-typeck.c (build_binary_op): Perform implicit casts of
16927 operands before shortening them.
16929 * cfgloopmanip.c (split_loop_bb): Remove.
16930 * cfgloop.h: Remove the prototype for split_loop_bb.
16932 * cfgloop.c (flow_loop_outside_edge_p): Remove.
16933 * cfgloop.h: Remove the prototype for
16934 flow_loop_outside_edge_p.
16936 * emit-rtl.c (init_virtual_regs): Make it static.
16937 * function.h: Remove the prototype for init_virtual_regs.
16939 * recog.c (peephole2_optimize): Make it static.
16940 * recog.h: Remove the prototype for peephole2_optimize.
16942 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16944 * df-scan.c (df_record_entry_block_defs): Check if
16945 INCOMING_RETURN_ADDR_RTX is defined.
16947 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
16948 Kenneth Zadeck <zadeck@naturalbridge.com>
16950 PR rtl-optimization/24762
16951 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16952 * targhooks.c (hook_void_bitmap): New hook prototype.
16953 * targhoohs.h (hook_void_bitmap): Ditto.
16954 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
16955 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
16956 * target.h (live_on_entry): New function pointer.
16957 * df-scan.c (df_all_hard_regs): Removed.
16958 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
16959 (df_scan_free_internal): Added df->entry_block_defs.
16960 (df_scan_alloc): Ditto.
16961 (df_scan_dump): Ditto.
16962 (df_uses_record): Plumbed flag field properly thru calls.
16963 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
16964 This part fixes PR24762.
16965 (df_bb_refs_record): Added code to make the frame and arg
16966 pointers live in EH blocks.
16967 (df_refs_record): Added call to df_record_entry_block_defs.
16968 (df_record_entry_block_defs): New function.
16969 * df-core.c: Added comments to describe new artifical defs.
16970 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
16971 (entry_block_defs): New field in struct df.
16972 (df_all_hard_regs): Deleted.
16973 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16974 * df-problems.c (df_ru_bb_local_compute_process_def):
16975 Added code to handle artifical defs in the entry to a function.
16976 (df_ru_bb_local_compute): Ditto.
16977 (df_rd_bb_local_compute_process_def): Ditto.
16978 (df_rd_bb_local_compute): Ditto.
16979 (df_lr_bb_local_compute): Ditto.
16980 (df_ur_bb_local_compute): Ditto.
16981 (df_urec_bb_local_compute): Ditto.
16982 (df_chain_create_bb): Ditto.
16983 (df_ur_local_finalize): Removed entry.
16984 (df_urec_init): Ditto.
16985 (df_urec_local_finalize): Ditto.
16986 (df_ri_bb_compute): Added detection of last use of pseudos.
16987 * Makefile.in (df-scan.o): Updated dependencies.
16988 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
16989 * config/mips/mips.c (mips_set_live_on_entry): Added.
16990 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
16992 * dce.c (marked_insn_p): Added code to handle artifical defs.
16994 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16996 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
16998 (_mm_cvtsi128_si64): Likewise.
16999 (_mm_cvtsd_si64): Likewise.
17000 (_mm_cvttsd_si64): Likewise.
17001 (_mm_cvtsi64_sd): Likewise.
17002 (_mm_cvtsi64_si128): Likewise.
17003 * config/i386/mmintrin.h (_m_from_int64): Likewise.
17004 (_mm_cvtsi64_m64): Likewise.
17005 (_m_to_int64): Likewise.
17006 (_mm_cvtm64_si64): Likewise.
17007 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
17008 (_mm_cvttss_si64): Likewise.
17009 (_mm_cvtsi64_ss): Likewise.
17010 (_mm_cvtss_f32): Likewise.
17012 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
17014 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
17015 for pragma redefine_extname.
17017 2006-01-27 Jakub Jelinek <jakub@redhat.com>
17020 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
17021 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
17022 -mno-minimal-toc to previous content.
17023 (bispecs): Remove goal.
17024 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
17025 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
17026 compatibility aliases on powerpc-*-*gnu*.
17027 * config/rs6000/libgcc-ppc-glibc.ver: New file.
17028 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
17029 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
17030 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
17031 (ldblspecs): New goal.
17032 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
17033 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
17035 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
17036 L_sf_to_tf or L_df_to_tf is defined.
17038 2006-01-27 David Edelsohn <edelsohn@gnu.org>
17039 Alan Modra <amodra@bigpond.net.au>
17042 * config/rs6000/linux.h (POWERPC_LINUX): Define.
17043 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
17044 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
17045 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
17046 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
17047 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
17048 (rs6000_override_options): Initialize rs6000_ieeequad.
17049 Initialize TFmode format to ibm_extended_format if not
17051 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
17053 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
17054 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
17055 (function_arg_advance): IBM long double passed in two FPRs, not
17057 (function_arg): IBM long double passed in FPRs.
17058 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
17059 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
17060 Only multireg GPR aligned.
17061 (rs6000_init_libfuncs): Enable IBM long double functions if not
17063 (rs6000_generate_compare): Use IBM long double compare if not
17065 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
17066 (TARGET_IEEEQUAD): Define.
17067 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
17068 not TARGET_IEEEQUAD.
17069 * config/rs6000/rs6000.md: Enable TFmode patterns if
17071 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
17072 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
17073 and -mlong-double-128 are incompatible.
17074 * doc/invoke.texi (-mabi): Collect options together. Add
17075 ibmlongdouble and ieeelongdouble.
17077 2006-01-27 Richard Sandiford <richard@codesourcery.com>
17079 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
17081 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
17082 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
17083 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
17084 * rtl.h (rtunion_def): Remove rt_ptr.
17086 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
17087 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
17088 * config/i386/winnt.c (i386_pe_mark_dllexport)
17089 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
17091 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
17093 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
17095 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17099 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
17100 pthread_key_delete. From John David Anglin. gthrw-ify
17101 pthread_getunique_np only if it it's not a macro. Delete
17103 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
17104 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
17105 __gthread_objc_condition_signal, __gthread_key_delete): Add
17106 "__attribute__ ((__unused__))" to unused arguments.
17107 (__gthread_recursive_mutex_init_function): Add missing return.
17108 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
17109 gthr-posix95.h: Use macro-based approach for name redirection
17110 on targets missing weakref.
17112 2006-01-26 Zack Weinberg <zackw@panix.com>
17114 * genconditions.c (write_header): In generated code, #ifdef out
17115 all includes and fake declarations, except includes of bconfig.h
17116 and system.h, unless GCC_VERSION >= 3001. Do not include
17117 gensupport.h in any case.
17118 (write_conditions): Generate a definition of struct c_test. Add
17119 a comment to the generated #endif.
17120 (write_one_condition): Escape backslashes in string too.
17121 (write_writer): Generated code must escape backslashes and quote
17122 marks (but not newlines) in the strings it writes.
17123 * Makefile.in (build/gencondmd.o): Update dependencies.
17125 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17128 * Makefile.in (insn-automata.o): Add header file dependencies.
17129 * genautomata.c: Add includes.
17131 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17134 * Makefile.in (insn-automata.o): Add -Wno-error flag.
17136 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17138 * configure.ac: Expect target tools paths to be passed from the toplevel
17139 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
17141 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
17143 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17146 * c.opt (Wpointer-sign): Init to -1.
17147 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
17148 OPT_pedantic, to 0 otherwise.
17149 * doc/invoke.texi: Update.
17151 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17153 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
17154 constants provided by 80387 instructions in the destination mode.
17156 2006-01-26 Richard Guenther <rguenther@suse.de>
17157 Andrew Pinski <pinskia@physics.uc.edu>
17160 partial PR tree-opt/17064
17161 * tree-ssa-structalias.c (intra_create_variable_infos):
17162 Create heap variables for incoming parameters if
17163 flag_argument_noalias > 1.
17164 (find_what_p_points_to): Look through default defs of
17167 2006-01-26 Jeff Law <law@redhat.com>
17170 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
17171 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
17172 within the VR_RANGE, use the VR_RANGE as the result, not the
17174 (adjust_range_with_scev): Reject ranges from SCEV which are out of
17175 bounds for the type.
17177 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
17179 * tree-ssa-alias.c (maybe_create_global_var): Change
17180 subvar walking to an assertion that we don't have subvar'd variables.
17182 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
17185 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
17186 Use a new variable, inner. PARM_DECLs are always non-weak.
17188 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
17190 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
17191 --disable-checking.
17193 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
17195 * config/mips/mips.md (*clear_upper32): New combiner pattern.
17197 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
17199 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
17200 (smax_insn, smin_insn, smax_0, smin_0): New.
17202 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
17205 * config/cris/cris.c (cris_order_for_addsi3): New function.
17206 * config/cris/cris-protos.h: Prototype it.
17207 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
17208 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
17209 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
17210 (split for "op.S1 [rx=rx+i],ry (swapped)")
17211 (split for "op(s|u).S1 [rx=rx+i],ry")
17212 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
17213 Apply cris_order_for_addsi3 when generating addsi3 insns.
17215 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17217 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
17218 (TREE_BLOCK): Add call to EXPR_CHECK.
17220 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17223 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
17224 * tree-pretty-print.c (dump_omp_clause): Extract from ...
17225 (dump_omp_clauses): ... here.
17226 (dump_generic_node): Handle OMP_CLAUSE.
17227 * tree.c (omp_clause_num_ops): New.
17228 (omp_clause_code_name): New.
17229 (tree_code_size): Handle OMP_CLAUSE.
17230 (tree_size): Likewise.
17231 (make_node): Document handling of OMP_CLAUSE.
17232 (tree_node_structure): Handle OMP_CLAUSE.
17233 (omp_clause_check_failed): New.
17234 (omp_clause_range_check_failed): New.
17235 (omp_clause_operand_check_failed): New.
17236 (build_omp_clause): New.
17237 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
17238 * tree.h (enum omp_clause_code): Declare.
17239 (OMP_CLAUSE_SUBCODE_CHECK): Define.
17240 (OMP_CLAUSE_RANGE_CHECK): Define.
17241 (OMP_CLAUSE_ELT_CHECK): Define.
17242 (omp_clause_check_failed): Declare.
17243 (omp_clause_operand_check_failed): Declare.
17244 (omp_clause_range_check_failed): Declare.
17245 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
17246 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
17247 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
17248 (OMP_CLAUSE_LASTPRIVATE): Likewise.
17249 (OMP_CLAUSE_IF_EXPR): Likewise.
17250 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
17251 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
17252 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
17253 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
17254 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
17255 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
17256 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
17257 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
17258 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
17259 (OMP_CLAUSE_CODE): Define.
17260 (OMP_CLAUSE_SET_CODE): Define.
17261 (OMP_CLAUSE_CODE): Define.
17262 (OMP_CLAUSE_OPERAND): Define.
17263 (struct tree_omp_clause): Declare.
17264 (union tree_node): Add field 'omp_clause'.
17265 * treestruct.def (TS_OMP_CLAUSE): Define.
17266 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
17267 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
17268 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
17269 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
17270 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
17271 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
17272 (OMP_CLAUSE): Define.
17273 * print-tree.c (print_node): Handle OMP_CLAUSE.
17274 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
17275 * c-typeck.c: Likewise.
17276 * gimplify.c: Likewise.
17277 * c-omp.c: Likewise.
17278 * tree-nested.c: Likewise.
17279 * tree-inline.c: Likewise.
17280 * c-parser.c: Likewise.
17281 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
17284 2006-01-25 Roger Sayle <roger@eyesopen.com>
17286 PR rtl-optimization/25703
17287 * combine.c (try_combine): Handle zero_extract and strict_low_part
17288 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
17290 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
17292 * global.c: Fix comment typos.
17294 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
17297 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
17298 Use output_addr_const instead of assemble_name.
17300 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
17302 * Makefile.in (sched-vis.o): Update dependencies.
17303 * haifa-sched.c (sched_finish): Clear current_sched_info.
17304 * cfg.c (dump_bb_info): New, split from dump_flow_info.
17305 (dump_flow_info): Call it.
17306 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
17308 * basic-block.h (dump_bb_info): Declare.
17309 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
17310 option, and apply options only for dump files whose TDF_RTL,
17311 TDF_TREE, or TDF_IPA bits match.
17312 * rtl.h: Declare new functions exported from sched-vis.c.
17313 * sched-vis.c: Enable also if scheduling is not used.
17314 (print_value): Print the mode of registers if not inside scheduling.
17315 (print_insn): Make it work outside the scheduler. Beautify the output
17317 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
17319 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17321 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
17322 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
17323 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
17324 depending on the value of CONSTANT_POOL_ADDRESS_P.
17325 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
17327 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
17328 rather than SYMBOL_REF_DECL.
17329 (rtx_constant_pool): Remove const_rtx_sym_htab.
17330 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
17331 (init_varasm_status): Don't initialize const_rtx_sym_htab.
17332 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
17333 Remove handling of const_rtx_sym_htab.
17334 (find_pool_constant): Delete.
17335 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
17336 rather than find_pool_constant.
17337 (get_pool_constant_for_function): Delete.
17338 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
17339 find_pool_constant.
17340 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
17341 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
17342 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
17343 (SYMBOL_REF_CONSTANT): New macro.
17344 (get_pool_constant_for_function): Delete.
17345 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
17346 rather than SYMBOL_REF_DECL.
17347 (i386_pe_mark_dllimport): Likewise.
17348 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
17349 rather than SYMBOL_REF_DECL.
17350 * config/darwin.c (machopic_indirect_data_reference): Likewise.
17351 (machopic_indirect_call_target): Likewise.
17353 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
17355 * flow.c (delete_noop_moves): Add missing EOL to dump message.
17357 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17359 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
17361 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
17363 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
17365 2006-01-24 David Daney <ddaney@avtrex.com>
17368 * configure.ac (enable_tls): New enable option.
17369 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
17370 * configure: Regenerate.
17371 * doc/install.texi (--enable-tls): Document new option.
17372 (--disable-tls): Ditto.
17374 2006-01-24 Richard Henderson <rth@redehat.com>
17376 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
17377 * alias.c (true_dependence): Respect it.
17378 (canon_true_dependence, write_dependence_p): Likewise.
17379 * builtins.c (get_builtin_sync_mem): Set it.
17381 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
17383 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
17386 2006-01-24 DJ Delorie <dj@redhat.com>
17388 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
17389 for storing constants in single-bit bitfields.
17391 2006-01-25 Ben Elliston <bje@au.ibm.com>
17393 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
17395 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
17398 * tree-ssa-pre.c (phi_translate): Return NULL
17399 for AGGREGATE_TYPE's.
17401 2006-01-24 Zack Weinberg <zackw@panix.com>
17403 * genautomata.c (process_state_for_insn_equiv_partition):
17404 Use xcalloc for insn_arcs_array.
17405 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
17406 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
17408 2006-01-24 Richard Henderson <rth@redhat.com>
17410 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
17411 update all callers.
17413 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
17415 PR rtl-optimization/25890
17416 PR rtl-optimization/25905
17417 * combine.c (expand_compound_operation, expand_field_assignment):
17418 Fail if the bitfield's final position is out of bounds.
17420 2006-01-24 Ian Lance Taylor <ian@airs.com>
17422 PR middle-end/25930
17423 * cgraphunit.c (cgraph_output_in_order): Don't clear
17424 cgraph_asm_nodes until after asm strings have been output.
17426 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
17428 * fix-header.c (read_scan_file): Add new parameter imultilib when
17429 calling register_include_chains.
17431 2006-01-23 Diego Novillo <dnovillo@redhat.com>
17433 * omp-low.c: Update documentation.
17435 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17436 Daniel Berlin <dberlin@dberlin.org>
17440 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
17441 return from the function.
17443 2006-01-22 Zack Weinberg <zackw@panix.com>
17445 * rtl.def (match_code): Add second argument.
17446 * genpreds.c (write_extract_subexp): New function.
17447 (write_match_code): Add path argument. Use write_extract_subexp.
17448 (write_predicate_expr): Pass path to write_match_code.
17449 (mark_mode_tests): MATCH_CODE applied to a subexpression does
17450 not perform a mode test.
17451 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
17452 a subexpression does not constrain the top-level code set.
17453 * read-rtl.c (read_rtx_variadic): New function.
17454 (read_rtx_1): Use it; allow AND and IOR to be variadic.
17455 * doc/md.texi: Document new notation.
17456 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
17457 (cmpsi_operand): ... here, using new notation.
17459 2006-01-22 Zack Weinberg <zackw@panix.com>
17461 * varray.c: Remove GENERATOR_FILE #ifdefs.
17463 2006-01-22 Zack Weinberg <zackw@panix.com>
17465 * genautomata.c (output_reserved_units_table): Emit nothing if
17466 description->query_units_num is zero. Remove extra blank line.
17467 (output_cpu_unit_reservation_p): Short circuit
17468 if description->query_units_num is zero.
17470 2006-01-22 Zack Weinberg <zackw@panix.com>
17472 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
17473 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
17474 nor any of the random handful of variables that used to be necessary
17475 when this program was linked with rtlanal.o. Prune set of forward
17476 function declarations.
17477 (struct attr_desc): Remove static_p field.
17478 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
17479 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
17480 (attr_string): Do not read the character one past the length of
17482 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
17483 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
17484 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
17485 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
17486 (make_automaton_attrs): New.
17487 (main): Do not call into genautomata. Call local gen_bypass
17488 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
17489 Remove special case for insn_alts.
17490 * genautomata.c: Include gensupport.h; not genattrtab.h nor
17491 varray.h (leftover from previous change). Prune set of forward
17492 function declarations. Remove state_alts fields from all
17493 structures. Remove state_alts_table from struct automaton.
17494 Make everything except main static. Do not maintain num_dfa_decls.
17495 Do not maintain state_alts fields of various structures.
17496 (process_decls): Don't validate condexp for dm_insn_reserv decls.
17497 (add_arc): Remove state_alts argument. All callers updated.
17498 (output_reserved_units_table): Emit #ifdef here...
17499 (output_tables): ...not here. Don't generate state_alts tables.
17500 (expand_automata): Don't generate attributes.
17501 (write_automata): Don't generate state_alts functions.
17502 (main): New function.
17503 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
17504 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
17505 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
17506 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
17507 (BYPASS_P_FUNC_NAME, output_state_alts_table)
17508 (output_automata_list_state_alts_code, output_internal_state_alts_func)
17509 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
17510 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
17512 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
17513 * genattrtab.h: Delete file.
17514 * Makefile.in (OBJS-common): Add insn-automata.o.
17515 (insn-automata.o): New rule.
17516 (simple_generated_c): Add insn-automata.c.
17517 (build/genattrtab.o, build/genautomata.o): Update dependencies.
17518 (genprogmd): Add automata.
17519 (build/genattrtab): Needs no extra objects nor libraries.
17520 (build/genautomata): Needs build/vec.o and -lm.
17522 2006-01-22 Zack Weinberg <zackw@panix.com>
17524 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
17525 (output_dfa_max_issue_rate, locked_states_num): Delete.
17526 (struct automaton): Add locked_states field.
17527 (output_dead_lock_vect): Save number of locked states in
17528 automaton->locked_states. If it is zero, don't print anything.
17529 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
17530 (output_internal_dead_lock_func): Only test the dead_lock_vect
17531 for automata that have locked states.
17532 (output_statistics): Always print the number of locked states for
17533 each automaton. Calculate total number of locked states here.
17534 (write_automata): Don't call output_dfa_max_issue_rate.
17535 * genattrtab.c: Define length_unit_log as a const variable.
17536 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
17537 max_insn_queue_index const.
17538 * final.c (length_unit_log): Declare const.
17539 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
17541 2006-01-22 Zack Weinberg <zackw@panix.com>
17543 * genautomata.c: Include vec.h, not varray.h.
17544 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
17545 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
17546 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
17547 VEC_* macros operating on appropriately typed vectors, or to
17548 malloced arrays when the size is known in advance. Const-ify
17549 many char* variables and function arguments. No functional changes.
17550 * Makefile.in (build/varray.o): Delete rule.
17551 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
17552 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
17554 2006-01-22 Zack Weinberg <zackw@panix.com>
17556 * gensupport.c: Define get_insn_name and record_insn_name here.
17557 (read_md_rtx): Call record_insn_name as appropriate.
17558 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
17559 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
17560 * genpreds.c, genrecog.c: Don't define get_insn_name nor
17562 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
17563 (BUILD_VARRAY): Delete.
17564 (genprognormal): Rename genprogmd. Fold in all programs from
17565 genprognoprint; also attrtab.
17566 (build/genattrtab): Just mention genautomata.o and varray.o.
17567 Reorganize a bit, add comments to make the categories clearer.
17569 2006-01-22 Zack Weinberg <zackw@panix.com>
17571 * genconditions.c (condition_table, add_condition): Delete.
17572 (write_conditions): Don't emit n_insn_conditions nor
17573 insn_elision_unavailable. Issue the gcc version #ifdef here,
17574 inside the table, with no #else clause ...
17575 (write_header): ...not here.
17576 (write_writer): New function.
17577 (main): Don't initialize condition_table. Use add_c_test.
17579 * gensupport.c (init_md_reader_args_cb): Handle multiple input
17580 files on the command line.
17581 (maybe_eval_c_test): Don't check insn_elision_unavailable.
17582 Return -1 if there is no entry in the table, don't abort.
17583 (add_c_test, traverse_c_tests): New functions.
17584 * gensupport.h (insn_elision_unavailable, insn_conditions)
17585 (n_insn_conditions): Delete declarations.
17586 (add_c_test, traverse_c_tests): Declare.
17587 * read-rtl.c: Include gensupport.h.
17588 (read_conditions): New function.
17589 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
17590 (read_rtx_1): If we get EOF when we were looking for an initial
17591 open paren, return 0. Call read_conditions when appropriate.
17592 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
17593 dummy-conditions.o. Eliminate references to insn-conditions.o,
17594 or change them to build/gencondmd.o, as appropriate. Remove
17595 insn-constants.h from $(simple_generated_h) and insn-conditions.c
17596 from $(simple_generated_c). For all files remaining in those
17597 two lists, add insn-conditions.md to the generator command line.
17598 Give insn-constants.h/s-constants their own rules. Add rules
17599 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
17600 (build/read-rtl.o): Depend on gensupport.h.
17601 (genprognormal): Include preds.
17602 (genprogearly): Rename genprognoprint; only difference is now that
17603 they don't link with $(BUILD_PRINT).
17604 * dummy-conditions.c: Delete.
17606 2006-01-22 Zack Weinberg <zackw@panix.com>
17608 * genextract.c: Don't include insn-config.h. Do include vec.h.
17609 Declare vectors of int, char, and locstr.
17610 (locstr): New typedef.
17611 (struct extraction): Make all array fields into bare pointers.
17612 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
17613 (insn_code_number): Delete.
17614 (accum_extract): New struct.
17615 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
17616 (gen_insn): Take insn_code_number as an argument. Use an
17617 accum_extract structure instead of loading data directly into
17618 a struct extraction, and having to know how big it might get.
17619 (walk_rtx): Operate entirely on an accum_extract structure.
17620 (print_path): Avoid unnecessary use of printf.
17621 (print_header): New function, split out of main. Distinguish
17622 more carefully between an unrecognizable insn and an insn that
17623 has the code number of a define_expand.
17624 (main): Pass insn_code_number to gen_insn. Call print_header
17625 only after parsing. Avoid unnecessary use of printf.
17626 * Makefile.in (build/vec.o): New rule.
17627 (build/genextract): Depend on build/vec.o.
17628 (build/genextract.o): Don't depend on insn-config.h.
17630 2006-01-22 Zack Weinberg <zackw@panix.com>
17632 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
17633 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
17634 practical. Eliminate per-generator-program link rules.
17636 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17638 PR middle-end/24437
17639 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17640 with a call expr to ...
17641 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17643 2006-01-23 Richard Guenther <rguenther@suse.de>
17645 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
17646 before make_edge with conditional EDGE_TRUE_VALUE.
17648 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
17649 Jan Hubicka <jh@suse.cz>
17650 Richard Guenther <rguenther@suse.de>
17652 PR rtl-optimization/25654
17653 * cfgexpand.c (aggregate_contains_union_type): New function.
17654 (add_alias_set_conflicts): Call it. Make sure to add conflicts
17655 for structure variables that contain a union type.
17657 2006-01-23 Richard Sandiford <richard@codesourcery.com>
17659 * gengtype.c (new_structure): Return the structure.
17660 (create_option): Add an extra "next" argument.
17661 (create_field): New function.
17662 (adjust_field_rtx_def): Use create_option and create_field.
17663 Remove a now-unnecessary call to find_structure.
17664 (adjust_field_tree_def): Likewise.
17665 (note_yacc_type): Remove an unnecessary call to find_structure.
17666 * gengtype.h (new_structure): Return the structure.
17667 (create_option): Add an extra argument.
17668 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
17669 (option): Adjust calls to create_option.
17671 2006-01-22 David Edelsohn <edelsohn@gnu.org>
17673 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
17675 2006-01-22 Paul Brook <paul@codesourcery.com>
17676 Peter Barada <peter@the-baradas.com>
17678 * config/m68k/m68k.md: Add Coldfire FPU support.
17679 Define FP mode macro and associated attributes.
17680 Use it for float mode patterns.
17681 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
17682 (LIBCALL_VALUE): Use m68k_libcall_value.
17683 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
17684 (m68k_function_value): Ditto.
17685 (emit_move_sequence): Ditto.
17686 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
17687 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
17688 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
17689 (MULTILIB_EXCEPTIONS): Ditto.
17690 * config/m68k/m68k.opt: Add mcfv4e.
17691 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
17692 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
17693 (m68k_output_function_prologue): Save ColdFire FPU registers.
17694 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
17695 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
17696 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
17697 ColdFire FPU registers.
17698 (m68k_libcall_value, m68k_function_value): New functions.
17699 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
17700 (LIBCALL_VALUE): Use m68k_libcall_value.
17701 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
17702 (MASK_COLDFIRE): Add MASK_CFV4E.
17703 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
17704 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
17705 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
17706 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
17707 (GO_IF_LEGITIMATE_ADDRESS): Use it.
17708 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
17709 * doc/invoke.tex: Document -mcfv4e on m68k.
17711 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
17713 * doc/contribute.texi: Change CVS to SVN and update the corresponding
17716 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
17719 * c-opts.c (c_common_handle_option): Don't include
17720 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
17721 * doc/invoke.texi (C++ Dialect Options): Document that
17722 -Wnon-virtual-dtor is no longer included in -Wall.
17724 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
17726 * gcov.c (print_version), gcov-dump.c (print_version),
17727 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
17730 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
17732 * df-scan.c (problem_SCAN): Added NULL reset function.
17733 (df_scan_reset_blocks): Added code to call reset block function
17734 (df_bb_refs_delete) Fixed comment.
17735 (df_insn_refs_delete): Made tolerant of deleting non existent info
17736 for dataflow problems that need to be reset.
17737 * df-core.c (df_set_blocks): Ditto.
17738 * df.h (struct df_problem): Added reset_fun.
17739 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
17740 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
17741 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
17742 functions to clear out all references to def-use or use-def chains.
17744 2006-01-21 Ben Elliston <bje@au.ibm.com>
17746 * varasm.c (assemble_real): Initialise data array.
17748 2006-01-20 Paul Brook <paul@codesourcery.com>
17750 Merge from csl-arm-branch.
17751 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
17752 * config/arm/arm.md (movdi): Force operands[1] to a register
17753 if we have a non-register source.
17754 (*arm_movdi, *movdf_soft_insn): Require that one of the
17755 operands be a register.
17756 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
17757 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
17759 2006-01-20 DJ Delorie <dj@redhat.com>
17761 * varasm.c (initializer_constant_valid_p): Allow pointers
17762 initialized from integer constants of lesser precision.
17763 (output_constant): Allow non-int-sized pointer modes to be
17764 initialized from integer constants.
17766 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
17769 * cppdefault.h (struct default_include): Add multilib flag.
17770 * cppdefault.c (cpp_include_defaults): Set it.
17771 * c.opt (-imultilib): New option.
17772 * c-opts.c (imultilib): New.
17773 (c_common_handle_option): Handle -imultilib.
17774 (c_common_post_options): Likewise.
17775 * c-incpath.c (add_standard_paths, register_include_chains):
17777 * c-incpath.h (register_include_chains): Add extra parameter.
17778 * gcc.c (do_spec_1): Generate -imultilib option.
17779 (The Specs Language): Update %I description.
17780 (process_command): Update copyright notice.
17781 * doc/cppopts.texi (-imultilib): Document.
17782 * doc/invoke.texi (-imultilib): Include in option summary.
17783 (%I): Update specs documentation.
17785 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17787 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
17789 2006-01-20 Richard Sandiford <richard@codesourcery.com>
17791 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
17794 2006-01-20 Richard Guenther <rguenther@suse.de>
17795 Steven Bosscher <stevenb.gcc@gmail.com>
17797 PR rtl-optimization/24626
17798 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
17799 EDGE_TRUE_VALUE if in RTL mode.
17802 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
17803 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
17805 2006-01-20 Dirk Mueller <dmueller@suse.com>
17808 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
17809 instead of a special NOP marker.
17810 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
17811 NOP marker handling.
17812 * c-common.h (empty_body_warning): Add forward declaration.
17813 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
17814 Now uses IS_EMPTY_STMT() instead of special NOP markers.
17816 2006-01-20 Paul Brook <paul@codesourcery.com>
17818 * Makefile.in (lang_checks): Keep going if mkdir fails.
17820 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17822 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
17823 be able to clean out basic block when not necessary.
17824 (df_scan_free): Fixed to properly delete information if df is
17825 unused before calling df_finish.
17826 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
17827 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
17829 (df_bb_refs_delete): New function.
17830 (df_refs_delete): Moved per block code to df_bb_refs_delete.
17831 * df-core.c (df_set_blocks): Added code to properly clean out
17832 unused blocks if they are not part of the blocks to consider.
17833 Added additional null check.
17834 (df_compact_blocks): Added basic block parameter to free_bb_fun to
17835 be able to clean out basic block when not necessary
17836 * df.h (df_free_bb_function): Ditto.
17837 (df_bb_refs_delete): New function.
17838 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
17839 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
17840 basic block parameter to be able to clean out basic block when not
17842 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
17843 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
17844 Fixed to properly delete information if df is unused before
17847 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17849 PR rtl-optimization/25799
17850 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
17851 Corrected confluence operator to remove bits from op2 before oring
17852 with op1 rather than removing bits from op1.
17853 (df_ru_transfer_function): Corrected test on wrong bitmap which
17854 caused infinite loop. Both of these problems were introduced in
17855 the dataflow rewrite.
17857 2006-01-19 DJ Delorie <dj@redhat.com>
17859 * reload1.c (find_reload_regs): Note the details of reload
17860 failures in the dump file.
17861 (spill_failure): Likewise.
17863 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17865 * loop-iv.c: Include df.h and hashtab.h.
17866 (enum iv_grd_result): New enum.
17867 (DF_REF_IV, DF_REF_IV_SET): New macros.
17868 (struct biv_entry): New.
17869 (df, bivs): New global variables.
17870 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
17871 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
17873 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
17874 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
17875 analyzed_for_bivness_p, record_biv): New functions.
17876 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
17877 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
17878 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
17880 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
17882 (iv_number_of_iterations): Use new interface to iv analysis.
17883 * loop-unroll.c: Do not include varray.h.
17884 (analyze_iv_to_split_insn): Use new interface to iv
17886 * loop-unswitch.c (may_unswitch_on): Ditto.
17887 * df.c (df_bitmaps_free): Only work for bbs for that structures are
17889 (df_bb_modify): Realloc tables to the new index.
17890 (df_find_use): New function.
17891 * df.h (df_find_use): Declare.
17892 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
17894 * cfgloop.h (struct rtx_iv): Remove analysed field.
17895 (iv_get_reaching_def): Removed.
17896 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
17897 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
17898 (loop-iv.o): Add df.h and hashtab.h dependency.
17899 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
17901 2006-01-20 Alan Modra <amodra@bigpond.net.au>
17904 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
17906 (__floatundisf, __floatundidf): Likewise.
17907 * libgcc2.h (IS_IBM_EXTENDED): Define.
17909 2006-01-19 DJ Delorie <dj@redhat.com>
17911 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
17913 2006-01-19 Paul Brook <paul@codesourcery.com>
17915 * config/arm/arm.c (arm_compute_func_type): Treat all functions
17916 as nothrow when unwinding tables are disabled.
17918 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17921 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
17922 of bit-field" when in system header.
17924 2006-01-19 DJ Delorie <dj@redhat.com>
17926 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
17927 the 16 bit shift limit of the m16c.
17929 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
17932 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
17933 * config/i386/i386.c (output_set_got): Output the label if we have one
17934 for the TARGET_DEEP_BRANCH_PREDICTION case.
17936 2006-01-19 Jan Hubicka <jh@suse.cz>
17937 H.J. Lu <hongjiu.lu@intel.com>
17938 Evandro Menezes <evandro.menezes@amd.com>
17940 * invoke.texi (generic): Document
17942 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
17943 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
17944 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
17945 (x86_use_incdec, x86_pad_returns): New variables
17946 (TARGET_CPU_DEFAULT_generic): New constant
17947 (TARGET_CPU_DEFAULT_NAMES): Add generic.
17948 (enum processor_type): Add generic32 and generic64.
17949 * i386.md (cpu attribute): Add generic32/generic64
17950 (movhi splitter): Behave sanely when both partial_reg_dependency and
17951 partial_reg_stall are set.
17952 (K8 splitters): Enable for generic as well.
17953 * predicates.md (incdec_operand): Use TARGET_INCDEC
17954 (aligned_operand): Avoid memory mismatch stalls.
17955 * athlon.md: Enable for generic64, new patterns for 128bit moves.
17956 * ppro.md: Enable for generic32
17957 * i386.c (generic64_cost, generic32_cost): New.
17958 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
17959 (x86_use_leave): Enable for generic64. (x86_use_sahf,
17960 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
17961 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
17962 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
17963 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
17964 x86_partial_reg_dependency, x86_memory_mismatch_stall,
17965 x86_accumulate_outgoing_args, x86_prologue_using_move,
17966 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
17967 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
17968 Enable for generic.
17969 (x86_use_incdec, x86_pad_returns): New.
17970 (override_options): Add generic32 and generic64, translate "generic"
17971 to generic32/generic64 and "i686" to "generic32", refuse
17972 "generic32"/"generic64" as arch target.
17973 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
17974 (ix86_reorg): Honor PAD_RETURNS.
17976 2006-01-19 Diego Novillo <dnovillo@redhat.com>
17978 * tree-pretty-print.c (dump_generic_node): Handle
17979 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
17980 * cgraph.c (cgraph_expand_queue): Rename from
17981 cgraph_analyze_queue. Update all users.
17982 * cgraphunit.c (cgraph_assemble_pending_functions): Process
17983 cgraph_expand_queue.
17984 (cgraph_expand_all_functions): Likewise.
17985 (cgraph_finalize_pending_functions): Remove. Update callers.
17987 * tree.h (OMP_DIRECTIVE_P): Define.
17988 (OMP_PARALLEL_FN): Define.
17989 (OMP_PARALLEL_DATA_ARG): Define.
17990 (OMP_SECTIONS_SECTIONS): Define.
17991 * tree-pass.h (pass_expand_omp): Declare.
17992 * omp-low.c (struct omp_region): Declare.
17993 (struct omp_context): Remove fields 'parallel_type',
17994 'parallel_start_ix' and 'parallel_start_additional_args'.
17996 (struct omp_for_data): Rename from struct expand_omp_for_data.
17997 (omp_regions): New static variable.
17998 (root_omp_region): New static variable.
17999 (find_omp_clause): Make static.
18000 (is_in_combined_parallel_ctx): Remove.
18001 (is_combined_parallel): New.
18002 (extract_omp_for_data): Move earlier in the file.
18003 (workshare_safe_to_combine_p): New.
18004 (get_ws_args_for): New.
18005 (determine_parallel_type): Move earlier in the file.
18006 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
18008 (omp_copy_decl): Likewise.
18009 (create_omp_child_function): Likewise.
18010 (lookup_omp_region): New.
18011 (dump_omp_region): New.
18012 (debug_omp_region): New.
18013 (debug_all_omp_regions): New.
18014 (new_omp_region): New.
18015 (scan_omp_parallel): If parallel_nesting_level > 1, the
18016 directive is nested within another parallel directive.
18017 Set OMP_PARALLEL_FN.
18018 (scan_omp_for): Do not try to handle combined parallel+for
18020 Remove FIXME comment.
18021 (scan_omp_nested): Remove.
18022 (scan_omp_1): Do not call scan_omp_nested when
18023 parallel_nesting_level is > 1.
18024 Do not change the DECL_CONTEXT of local variables found.
18025 (lookup_decl_in_outer_ctx): New.
18026 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
18027 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
18028 (lower_reduction_clauses): Rename from expand_reduction_clauses.
18029 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
18030 If CTX is nested, lookup VAR in the outer context when
18031 building copy assignment.
18032 (lower_send_clauses): Rename from expand_send_clauses.
18033 If CTX is nested, lookup VAR in the outer context when
18034 building copy assignments.
18035 (lower_send_shared_vars): Rename from expand_send_shared_vars.
18036 If CTX is nested, lookup VAR in the outer context when
18037 building copy assignments.
18038 (expand_parallel_call): Rename from build_parallel_call.
18039 Handle combined parallel+workshare cases.
18040 Re-implement to emit code into the CFG.
18042 (expand_omp_parallel): Re-implement to emit code into the CFG.
18043 Call move_sese_region_to_fn to outline the sub-graph
18044 containing the parallel region.
18045 (expand_omp_for_1): Remove.
18046 (expand_omp_for_generic): Re-implement to emit code into the
18048 (expand_omp_for_static_nochunk): Likewise.
18049 (expand_omp_for_static_chunk): Likewise.
18050 (expand_omp_for): Likewise.
18051 (expand_omp_sections): Likewise.
18052 (remove_exit_barriers): New.
18053 (expand_omp_synch): New.
18055 (build_omp_regions_1): New.
18056 (build_omp_regions): New.
18057 (execute_expand_omp): New.
18058 (gate_expand_omp): New.
18059 (pass_expand_omp): Define.
18060 (lower_omp_sections): Rename from expand_omp_sections.
18061 Set OMP_SECTIONS_SECTIONS.
18062 (lower_omp_single_simple): Rename from expand_omp_single_simple.
18063 (lower_omp_single_copy): Rename from expand_omp_single_copy.
18064 (lower_omp_single): Rename from expand_omp_simple.
18065 (lower_omp_master): Rename from expand_omp_master.
18066 (lower_omp_ordered): Rename from expand_omp_ordered.
18067 (lower_omp_critical): Rename from expand_omp_critical.
18068 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
18069 (lower_omp_for): Re-implement.
18070 (lower_omp_parallel): Re-implement.
18071 (lower_regimplify): Rename from expand_regimplify.
18072 (lower_omp_1): Rename from expand_omp_1.
18073 If there are syntax errors in the program, replace every
18074 OpenMP directive with NOP.
18075 Call lower_omp_* instead of expand_omp_*.
18076 (lower_omp): Rename from expand_omp.
18078 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
18079 * tree-gimple.h (enum omp_parallel_type): Remove.
18080 (gimple_boolify): Declare extern.
18081 (find_omp_clause, determine_parallel_type): Remove.
18083 * gimple-low.c (lower_omp_directive): New.
18084 (lower_stmt): Call it.
18085 (record_vars_into): Move from ...
18086 (record_vars): ... here.
18087 Call record_vars_into with current_function_decl.
18089 * gimplify.c (struct gimplify_ctx): Remove fields
18090 combined_pre_p and combined_ctxp. Update users.
18091 (get_formal_tmp_var): Add documentation.
18092 (gimple_boolify): Make extern.
18093 (gimplify_expr_in_ctx): Remove. Update callers.
18094 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
18095 will always be a BIND_EXPR.
18096 (gimplify_expr): Handle OMP_RETURN_EXPR.
18097 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
18098 (OMP_PARALLEL): Add 3 operands.
18099 (OMP_SECTIONS): Add 1 operand.
18100 (OMP_RETURN_EXPR): Define.
18102 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
18103 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
18104 * tree-iterator.c (alloc_stmt_list): Assert that we are not
18105 creating a circular free list.
18106 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
18108 * tree-flow.h (move_sese_region_to_fn): Declare.
18109 (record_vars_into): Declare.
18110 * tree-cfg.c (make_omp_sections_edges): New.
18111 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
18112 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
18113 OMP_SECTIONS and OMP_SECTION.
18114 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
18115 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
18116 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
18117 (gather_blocks_in_sese_region): New.
18118 (struct move_stmt_d): Declare.
18119 (move_stmt_r): New.
18120 (move_block_to_fn): New.
18121 (move_sese_region_to_fn): New.
18123 * passes.c (init_optimization_passes): Schedule
18124 pass_expand_omp after pass_init_datastructures.
18126 * tree-ssa-operands.c (get_expr_operands): Handle
18127 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
18128 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
18130 2006-01-19 Jeff Law <law@redhat.com>
18132 * tree-vrp.c (extract_range_from_assert): Refine the result range
18133 if the variable referenced by the ASSERT_EXPR has a range and
18134 either the tentative result range or the previous range is a
18137 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18139 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
18141 2006-01-19 Jan Hubicka <jh@suse.cz>
18143 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
18145 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
18147 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
18148 (expand_compound_operation, expand_field_assignment): Fail if the
18149 bit lengths of an extract operation are out of range.
18150 (make_extraction): Compute wanted_inner_mode based on the position
18151 and length of the extraction. Make it extraction_mode for non-constant
18152 positions, and do not modify offset in that case. When generating a
18153 new MEM, use a mode that can hold the extraction while keeping correct
18154 alignment. Remove code that supported MEMs wrapped by USEs.
18155 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
18157 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
18159 * config/s390/s390.md ("Y", "y"): New mode attribute.
18160 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
18161 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
18162 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
18163 "*addsi3_imm_cc", "*addsi3_carry1_cc",
18164 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
18165 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
18166 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
18167 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
18168 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
18169 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
18170 "addsi3", "subsi3"): Insn patterns removed.
18171 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
18172 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
18173 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
18174 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
18175 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
18176 "*sub<mode>3_cconly2"): New insn patterns.
18177 ("addsi3", "subsi3"): New expanders.
18179 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
18181 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
18182 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
18183 existing STMT_VINFO_VECTYPE if available.
18184 (vect_mark_relevant): Add special handling for stmts that are
18185 marked as STMT_VINFO_IN_PATTERN_P.
18186 (vect_analyze_loop): Call vect_pattern_recog.
18187 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
18188 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
18190 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
18191 (vect_recog_func_ptr): New function-pointer type.
18192 * tree-vect-patterns.c: New file.
18193 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
18194 (vect_recog_dot_prod_pattern, vect_pattern_recog):
18195 (vect_pattern_recog_1): New functions.
18196 (vect_pattern_recog_funcs): New array of function pointers.
18198 * tree-vectorizer.h (ternary_op): New enum value.
18199 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
18200 declaration. Revised documentation. Removed redundant dump prints.
18201 Removed redundant argument. Added support for reduction patterns.
18202 (vectorizable_reduction): Added support for reduction patterns.
18203 (vect_transform_stmt): Added support for patterns.
18205 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
18206 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
18207 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
18208 (expand_widen_pattern_expr): New function.
18209 (init_optabs): Initialize new optabs udot_prod_optab,
18211 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
18212 (sdot_prod_optab, udot_prod_optab): Define new optabs.
18213 (expand_widen_pattern_expr): New function declaration.
18214 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
18216 * tree-inline.c (estimate_num_insns_1): Added cases for new
18217 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18218 * tree-pretty-print.c (dump_generic_node): Likewise.
18219 (op_prio): Likewise.
18220 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18221 * tree-ssa-operands.c (get_expr_operands): Added case for
18223 * tree-vect-patterns.c (widened_name_p): New function.
18224 (vect_recog_dot_prod_pattern): Added function implementation.
18225 * tree-vect-transform.c (get_initial_def_for_reduction): Added
18226 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
18227 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
18228 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
18230 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
18231 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
18232 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
18233 (init_optabs): Initialize new optabs widen_ssum_optab,
18235 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
18236 (widen_ssum_optab, widen_usum_optab): Define new optabs.
18237 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
18238 use instead of type of def.
18239 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
18240 function implementation.
18241 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
18242 widen_ssumv8hi): New.
18244 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
18247 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18250 * c-decl.c (add_flexible_array_elts_to_size): New function.
18251 (finish_decl): Use it.
18253 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
18255 * diagnostic.h: Include options.h.
18256 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
18257 dependancies for diagnostic.h.
18258 * Makefile.in (DIAGNOSTIC_H): Add options.h.
18260 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
18262 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
18263 (ssa_ro_call_cache_valid): Ditto.
18264 * tree-ssa-alias.c (sort_tags_by_id): New function.
18265 (init_transitive_clobber_worklist): Ditto.
18266 (add_to_worklist): Ditto.
18267 (mark_aliases_call_clobbered): Ditto.
18268 (compute_tag_properties): Ditto.
18269 (set_initial_properties): Ditto.
18270 (compute_call_clobbered): Ditto.
18271 (compute_may_aliases): Call compute_call_clobbered and grouping.
18272 (compute_flow_sensitive_aliasing): Remove clobbering related code.
18273 (compute_flow_insensitive_aliasing): Grouping now happens in our
18275 (setup_pointers_and_addressables): Remove clobbering related code.
18276 (add_may_alias): Ditto.
18277 (replace_may_alias): Ditto.
18278 (get_nmt_for): Ditto.
18279 (create_global_var):
18280 (is_escape_site): Return an escape_type enumeration.
18281 * tree-flow-inline.h (is_call_clobbered): Global var does not
18282 imply call clobbered.
18283 (mark_call_clobbered): Take a reason for marking this. Remove
18284 marking of globalness, and cache invalidation.
18285 (clear_call_clobbered): Remove cache invalidation code.
18286 * tree-dfa.c (dump_variable): If details is on, dump the reason
18288 * tree-outof-ssa.c (create_temp): Copy escape mask from original
18290 * tree-flow.h (struct ptr_info_def): Add escape mask member.
18291 (struct var_ann_d): Ditto.
18292 (enum escape_type): New.
18293 (mark_call_clobbered): Adjust prototype.
18294 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
18295 are never call clobbered.
18296 Record reasons for escaping.
18297 * tree-ssa-structalias.h (is_escape_site): Update prototype.
18298 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
18299 (ssa_ro_call_cache_valid): Ditto.
18300 (clobbered_v_may_defs): Ditto.
18301 (clobbered_vuses): Ditto.
18302 (ro_call_vuses): Ditto.
18303 (clobber_stats): New.
18304 (init_ssa_operands): Zero out clobber stats.
18305 (fini_ssa_operands): Print out clobber stats.
18306 (get_call_expr_operands): Pass callee fndecl to
18307 add_call_read_ops).
18308 (add_call_clobber_ops): Remove use of cache.
18309 Add use of PURE_CONST information.
18310 (add_call_read_ops): Remove use of cache.
18311 Add use of static not_read information.
18313 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
18315 Introduce TLS descriptors for i386 and x86_64.
18316 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
18317 (TARGET_ANY_GNU_TLS): New macro.
18318 (enum tls_dialect): Added TLS_DIALECT_GNU2.
18319 (struct machine_function): Add tls_descriptor_call_expanded_p.
18320 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
18321 (ix86_current_function_calls_tls_descriptor): Likewise.
18322 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
18323 (override_options): Introduce gnu2 tls dialect.
18324 (ix86_frame_pointer_required): Functions containing TLSCALLs are
18326 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
18328 (legitimize_tls_address): Adjust logic for GNU2 TLS.
18329 (ix86_init_machine_status): Initialize new field.
18330 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
18331 (ix86_tls_module_base): New.
18332 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
18333 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
18334 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
18335 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
18336 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
18337 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
18338 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
18339 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
18340 * config/i386/predicates.md (tls_modbase_operand): New.
18341 (tp_or_register_operand): New.
18343 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
18345 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
18346 (look_for_address_of): Ditto.
18347 (ipa_init): Walk the function decls.
18348 (static_execute): Don't set readonly on FUNCTION_DECL's.
18350 2006-01-18 Roger Sayle <roger@eyesopen.com>
18352 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
18353 for shifts where the source and destination registers are different.
18355 2006-01-18 Paul Brook <paul@codesourcery.com>
18357 Merge from csl-arm-branch.
18358 2005-03-14 Julian Brown <julian@codesourcery.com>
18359 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
18360 (aeabi_llsl): Likewise.
18361 (ashrdi3): Likewise.
18362 (aeabi_lasr): Likewise.
18363 (lshrdi3): Likewise.
18364 (aeabi_llsr): Likewise.
18365 2005-03-10 Julian Brown <julian@codesourcery.com>
18366 * config.gcc: Disable shared libgcc for SymbianOS.
18367 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
18369 2006-01-18 DJ Delorie <dj@redhat.com>
18371 * c-pragma.c (handle_pragma_diagnostic): New.
18372 (init_pragma): Register it.
18373 * doc/extend.texi: Document it.
18375 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
18376 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
18377 (diagnostic_context): Add classify_diagnostic[].
18378 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
18379 as errors if they're overridden to DK_WARNING.
18380 (diagnostic_initialize): Initialize classify_diagnostic[].
18381 (diagnostic_set_kind_override): New.
18382 (diagnostic_report_diagnostic): Check for kind changes.
18383 * opts.c (common_handle_option): Take lang_mask. Update callers.
18384 Handle OPT_Werror_.
18385 * common.opt (Werror=): New.
18386 * doc/invoke.texi: Document -Werror=*
18388 2006-01-18 Jeff Law <law@redhat.com>
18390 * tree-vrp.c (test_for_singularity): Correct test for new
18391 min limit. Use operand_equal_p rather than pointer equality
18392 for testing if new min/max values are equal.
18394 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
18395 using range information until after propagation and folding.
18397 2006-01-18 Richard Henderson <rth@redhat.com>
18398 Aldy Hernandez <aldyh@redhat.com>
18399 Jakub Jelinek <jakub@redhat.com>
18400 Diego Novillo <dnovillo@redhat.com>
18402 * omp-low.c: New file.
18403 * c-omp.c: New file.
18405 2006-01-18 Richard Henderson <rth@redhat.com>
18406 Jakub Jelinek <jakub@redhat.com>
18407 Diego Novillo <dnovillo@redhat.com>
18409 * doc/invoke.texi: Document -fopenmp.
18410 * tree-dump.h (debug_function): Declare.
18411 * hooks.c (hook_bool_tree_bool_false): New function.
18412 (hook_tree_tree_null): Remove.
18413 (hook_tree_tree_tree_null): New.
18414 * hooks.h: Update to match.
18415 * tree-pretty-print.c (debug_tree_chain): New.
18416 (print_generic_expr): Handle TDF_CHAIN.
18417 (dump_generic_node): Handle BLOCK.
18418 Do not abort with incomplete SWITCH_EXPRs.
18419 Do not dump body of an OpenMP directive if TDF_SLIM is given.
18420 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
18421 print space after directive name.
18422 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
18423 Handle OMP_MASTER and OMP_ORDERED.
18424 Handle printing of OMP_BODY just in one place, goto
18425 dump_omp_body in the rest of OMP_* nodes that have
18427 Don't handle clause nodes here. Update omp statements to
18428 use dump_omp_clauses.
18429 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
18430 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
18431 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
18432 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
18433 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
18434 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
18435 Adjust output for GOMP_PARALLEL.
18436 (dump_omp_clauses): New.
18437 (print_declaration): Dump DECL_VALUE_EXPR.
18438 (op_symbol_1): Split out of op_symbol.
18439 (dumping_stmts): Remove. Update all users.
18440 * cgraph.c (cgraph_analyze_queue): New.
18441 (cgraph_add_new_function): New.
18442 * cgraph.h (cgraph_analyze_queue): Declare.
18443 (cgraph_add_new_function): Declare.
18444 (cgraph_lower_function): Remove.
18445 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
18446 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
18447 and TYPE_P nodes in its default clause.
18448 (empty_body_p): New.
18449 (tree_range_check_failed): New.
18450 (build5_stat): New.
18451 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
18452 OMP_CLAUSE_REDUCTION_MERGE,
18453 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
18454 OMP_CLAUSE_PRIVATE_DEBUG,
18455 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
18456 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
18457 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
18458 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
18459 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
18460 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
18461 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
18462 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
18463 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
18464 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
18465 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
18466 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
18467 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
18468 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
18469 (TREE_RANGE_CHECK): New.
18470 (empty_body_p): Declare.
18471 (enum omp_clause_default_kind): New.
18472 (build_string_literal): Declare.
18473 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
18474 (build5_stat, build5): Declare.
18475 * tree-pass.h (TDF_CHAIN): Define.
18476 * tree-pass.h (PROP_gimple_lomp): Define.
18477 (pass_lower_omp): Declare.
18478 * diagnostic.h (debug_tree_chain): Declare.
18479 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
18481 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
18482 * builtins.c (build_string_literal): Make extern.
18483 * gcc.c (include_spec_function): New.
18484 (static_spec_functions): Add it.
18485 (main): Move load of libgomp.spec ...
18486 (LINK_COMMAND_SPEC): ... here.
18487 (link_gomp_spec): New.
18488 (static_specs): Include it.
18489 (LINK_COMMAND_SPEC): Add link_gomp.
18490 (GOMP_SELF_SPECS): New.
18491 (driver_self_specs): Include it.
18492 (switch_matches): Don't mark inline.
18493 (main): Load libgomp.spec.
18494 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
18495 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
18496 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
18497 * tree-gimple.h (enum omp_parallel): Declare.
18498 (determine_parallel_type): Declare.
18499 (omp_firstprivatize_variable): Declare.
18500 (omp_reduction_init): Declare.
18501 (diagnose_omp_structured_block_errors): Declare.
18502 (struct walk_stmt_info): Add want_return_expr.
18503 (struct walk_stmt_info): Add want_bind_expr, want_locations.
18504 (find_omp_clause): Declare.
18505 (insert_field_into_struct): Declare.
18506 (struct walk_stmt_info): Move from tree-nested.c
18507 (walk_stmts): Declare.
18508 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
18510 * cgraphunit.c (cgraph_lower_function): Make static.
18511 (cgraph_finalize_pending_functions): New.
18512 (cgraph_finalize_function): Call it.
18513 (cgraph_finalize_compilation_unit): Likewise.
18514 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
18515 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
18516 (BT_FN_UINT_UINT): New.
18517 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
18518 DEF_FUNCTION_TYPE_VAR_4): Document.
18519 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
18520 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
18521 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
18522 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
18523 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
18524 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
18525 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
18526 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
18527 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
18528 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
18529 into separate files.
18530 (DEF_GOMP_BUILTIN): New.
18531 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
18532 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
18533 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
18534 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
18535 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
18536 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
18537 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
18538 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
18539 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
18540 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
18541 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
18542 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
18543 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
18544 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
18545 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
18546 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
18547 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
18548 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
18549 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
18550 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
18551 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
18552 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
18553 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
18554 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
18555 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
18556 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
18557 * sync-builtins.def: New file, moved from builtins.def.
18558 * omp-builtins.def: New file, moved from builtins.def.
18559 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
18560 * gimple-low.c (lower_function_body): Clear data.
18561 (lower_stmt): Do not handle COMPOUND_EXPR.
18562 Remove call to print_node_brief.
18563 * c-tree.h (c_finish_omp_clauses): New prototype.
18564 (C_DECL_THREADPRIVATE_P): Define.
18565 (lookup_name_no_remap, c_omp_remap_private): Remove
18566 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
18567 (check_for_loop_decls): Update decl.
18568 (lookup_name_no_remap, c_omp_remap_private): Declare.
18569 (build_indirect_ref, build_modify_expr, pushdecl,
18570 pushdecl_top_level): Move to c-common.h.
18571 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
18572 before the switch, but just in the 2 places that need it.
18573 * c-decl.c (diagnose_mismatched_decls): Do not check for
18574 mismatched thread-local attributes when OLDDECL is marked
18575 threadprivate and NEWDECL has no thread-local attributes.
18576 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
18577 (c_gimple_diagnostics_recursively): Rename from
18578 c_warn_unused_result_recursively. Invoke
18579 diagnose_omp_structured_block_errors.
18580 (check_for_loop_decls): Return a singular decl found.
18581 * langhooks.c (lhd_omp_predetermined_sharing): Return
18582 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
18583 (lhd_omp_firstprivatize_type_sizes): New.
18584 (lhd_omp_assignment): New.
18585 (lhd_omp_predetermined_sharing): New.
18586 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
18587 (struct lang_hooks_for_types): Add
18588 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
18589 omp_predetermined_sharing, omp_disregard_value_expr,
18590 omp_private_debug_clause, omp_clause_default_ctor,
18591 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
18592 (c_finish_omp_clauses): New.
18593 (c_finish_bc_stmt): Diagnose break within omp for.
18594 (c_begin_omp_parallel, c_finish_omp_parallel): New.
18595 (build_unary_op): Return error_mark after reporting
18597 (build_modify_expr): Likewise.
18598 * gimplify.c: Include optabs.h and pointer-set.h.
18599 (enum gimplify_omp_var_data): Declare.
18600 (struct gimplify_omp_ctx): Declare.
18601 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
18603 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
18604 (push_gimplify_context, pop_gimplify_context): Allow nesting.
18605 (splay_tree_compare_decl_uid): New.
18606 (new_omp_context): New.
18607 (delete_omp_context): New.
18608 (gimple_add_tmp_var): Call omp_add_variable.
18609 (gimplify_bind_expr): Likewise.
18610 (gimplify_var_or_parm_decl): If omp_notice_variable returned
18611 true, disregard DECL_VALUE_EXPR on the decl if any.
18612 (gimplify_expr_in_ctx): New.
18613 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
18614 omp_add_variable, omp_notice_variable, omp_is_private
18615 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
18616 gimplify_adjust_omp_clauses, gimplify_omp_parallel
18617 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
18618 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
18619 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
18620 gimplify_omp_atomic): New.
18621 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18622 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18623 OMP_CRITICAL and OMP_ATOMIC.
18624 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
18625 * c-pragma.h (enum pragma_kind): Add
18626 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
18627 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
18628 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
18629 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
18630 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
18631 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
18632 PRAGMA_OMP_THREADPRIVATE.
18633 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18634 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18635 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
18636 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
18637 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
18638 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
18639 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
18640 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
18641 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
18642 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
18643 * tree-ssa-dce.c (find_control_dependence): Do not assume that
18644 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
18645 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
18647 (struct nesting_info): Add field_map,
18648 suppress_expansion, debug_var_chain.
18649 (create_nesting_tree): Initialize them.
18650 (lookup_field_for_decl): Use field_map.
18651 (get_nonlocal_debug_decl, get_local_debug_decl): New.
18652 (convert_local_omp_clauses): New.
18653 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
18654 (walk_body): Split out of walk_function.
18655 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
18656 (convert_nonlocal_reference): Handle omp statements.
18657 (convert_local_reference): Likewise.
18658 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
18659 (unnest_nesting_tree): New.
18660 (lower_nested_functions): Call it.
18661 (insert_field_into_struct): Make extern.
18662 (struct walk_stmt_info): Move to tree-gimple.h.
18663 (walk_stmts): Make extern.
18664 * omp-builtins.def: New file.
18665 * tree-iterator.c (expr_only): Clarify comment.
18666 * c-common.h (pushdecl_top_level, pushdecl,
18667 build_modify_expr, build_indirect_ref,
18668 c_finish_omp_master, c_finish_omp_critical,
18669 c_finish_omp_ordered, c_finish_omp_barrier,
18670 c_finish_omp_atomic, c_finish_omp_flush,
18671 c_finish_omp_for, c_split_parallel_clauses,
18672 omp_clause_default_kind, c_omp_sharing_predetermined,
18673 c_omp_remap_decl): Declare.
18674 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
18675 (OBJS-common): Add omp-low.o.
18676 (c-omp.o, omp-low.o): Add.
18677 (gimplify.o): Add dependency on $(OPTABS_H).
18678 (GTFILES): Add omp-low.c.
18679 (gt-stringpool.h): Add.
18680 * tree-cfg.c (set_bb_for_stmt): Do not update the
18681 block-to-labels map if we are currently expanding to RTL.
18682 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
18684 Handle IDENTIFIER_NODE.
18685 (tree_verify_flow_info): Do not ICE when emitting error
18686 messages about invalid labels.
18687 (dump_function_to_file): Reset CFUN before emitting the body
18689 (debug_function): New.
18690 * passes.c (init_optimization_passes): Schedule
18692 * langhooks-def.h (lhd_omp_predetermined_sharing,
18693 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
18695 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
18696 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
18697 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
18698 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
18699 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
18700 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
18701 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
18702 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
18703 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
18704 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
18705 (LANG_HOOK_DECLS): Use them.
18707 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
18708 Richard Henderson <rth@redhat.com>
18709 Jakub Jelinek <jakub@redhat.com>
18710 Diego Novillo <dnovillo@redhat.com>
18712 * c-parser.c (pragma_omp_clause): Define.
18713 (c_parser_declaration_or_fndef): Document OpenMP syntax.
18714 (c_parser_compound_statement): Likewise.
18715 (c_parser_statement): Likewise.
18716 (c_parser_pragma): Handle omp pragmas.
18717 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
18718 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
18719 (c_parser_omp_clause_name, check_no_duplicate_clause,
18720 c_parser_omp_variable_list,
18721 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
18722 c_parser_omp_clause_copyprivate,
18723 c_parser_omp_clause_default,
18724 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
18725 c_parser_omp_clause_lastprivate,
18726 c_parser_omp_clause_nowait,
18727 c_parser_omp_clause_num_threads,
18728 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
18729 c_parser_omp_clause_reduction,
18730 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
18731 c_parser_omp_all_clauses, c_parser_omp_structured_block,
18732 c_parser_omp_atomic, c_parser_omp_barrier,
18733 c_parser_omp_critical, c_parser_omp_flush,
18734 c_parser_omp_for_loop, c_parser_omp_for,
18735 c_parser_omp_master, c_parser_omp_ordered,
18736 c_parser_omp_sections_scope, c_parser_omp_sections,
18737 c_parser_omp_parallel, c_parser_omp_single,
18738 c_parser_omp_construct, c_parser_omp_threadprivate): New.
18739 * c-pragma.c (init_pragma): Do omp pragma registration here.
18740 * c.opt (fopenmp): New flag.
18742 2006-01-18 Eric Christopher <echristo@apple.com>
18744 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
18745 * config/darwin.h (GOMP_SELF_SPECS): Define.
18747 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18749 * rtl.h: Remove the prototype for reg_alloc.
18751 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18754 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
18755 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
18756 sjlj and dwarf2 exception handling.
18757 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
18758 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
18759 * pa/pa.c (function_value): Treat complex and vector types as
18761 (function_arg): Likewise. Only pass scalar floats in the floating
18762 point argument registers.
18763 * pa/t-slibgcc-dwarf-ver: New file.
18764 * pa/t-slibgcc-sjlj-ver: New file.
18765 * pa/t-slibgcc-elf-ver: Delete file.
18767 2006-01-19 Alan Modra <amodra@bigpond.net.au>
18769 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
18770 unlikely_test_section_p test.
18772 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18774 * mode-switching.c (optimize_mode_switching): Make it static.
18775 * basic-block.h: Remove the prototype for
18776 optimize_mode_switching.
18778 * modulo-sched.c (sms_schedule): Make it static.
18779 * rtl.h: Remove the prototype for sms_schedule.
18781 * postreload-gcse.c (gcse_after_reload_main): Make it static.
18782 * rtl.h: Remove the prototype for gcse_after_reload_main.
18784 * reg-stack.c (reg_to_stack): Make it static.
18785 * rtl.h: Remove the prototype for reg_to_stack.
18787 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
18789 * rtl.h: Remove the prototypes for regrename_optimize and
18790 copyprop_hardreg_forward.
18792 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
18794 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
18795 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
18796 Test against the appropriate null constant for the mode.
18797 If 'fixup_overlap' is true, swap the operands if they overlap.
18798 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
18799 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
18800 alpha_split_tmode_pair and adjust for above change.
18801 * config/alpha/alpha.md (movtf_internal): Adjust call to
18802 alpha_split_tfmode_pair and rely on it to swap the operands.
18803 (movti_internal): New insn and post-reload splitter.
18804 (movti): New expander.
18806 2006-01-18 Philippe De Muyter <phdm@macqel.be>
18808 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
18811 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18813 * rtlanal.c (global_reg_mentioned_p_1,
18814 global_reg_mentioned_p): Remove.
18815 * rtl.h: Remove the prototype for global_reg_mentioned_p.
18817 * flow.c (initialize_uninitialized_subregs): Make it static.
18818 * rtl.h: Remove the prototype for
18819 initialize_uninitialized_subregs.
18821 * function.c (instantiate_virtual_regs): Make it static.
18822 * function.h: Remove the prototype for
18823 instantiate_virtual_regs.
18825 * regmove.c (regmove_optimize, combine_stack_adjustments):
18827 * rtl.h: Remove the prototypes for regmove_optimize and
18828 combine_stack_adjustments.
18830 2006-01-17 Roger Sayle <roger@eyesopen.com>
18832 * config/i386/i386.c (COSTS_N_BYTES): New macro.
18833 (size_cost): Encode costs in bytes so that a reg-reg addition is
18834 equivalent to COSTS_N_INSNS(1).
18835 (override_options): Use the size_cost.branch_cost as the default
18836 ix86_branch_cost when optimizing for size.
18838 2006-01-18 Ben Elliston <bje@au.ibm.com>
18840 * Makefile.in (D32PBIT_FUNCS): New.
18841 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
18842 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
18843 D64PBIT_FUNCS and D128PBIT_FUNCS.
18844 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
18845 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
18847 (decnumber_dep): Define.
18848 * doc/libgcc.texi (Decimal float library routines): New node.
18849 * config/dfp-bit.h, config/dfp-bit.c: New files.
18851 2006-01-18 Ben Elliston <bje@au.ibm.com>
18853 * expr.c (emit_move_change_mode): Always adjust addresses, not
18854 just during reload. Copy replacements only during reload.
18855 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
18856 emit_move_via_integer.
18858 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
18860 * Makefile.in (check-%, check-consistency): Use $${srcdir}
18861 instead of $(srcdir) and ${srcdir}.
18863 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
18866 PR middle-end/11135
18867 * arm.h (struct machine_function): Add pic_reg.
18868 * arm.c (arm_pic_register): Make unsigned.
18869 (arm_override_options): Only set arm_pic_register if
18870 TARGET_SINGLE_PIC_BASE.
18871 (use_return_insn): Only test for a pic register if it is fixed.
18872 (arm_compute_save_reg0_reg12_mask): Likewise.
18873 (thumb_compute_save_reg_mask): Likewise.
18874 (legitimate_pic_operand): Factor out some known invariants.
18875 (legitimize_pic_address): If we don't have a fixed pic register,
18876 then set up a pseudo in the function entry sequence. Handle the
18877 pic base being in a pseudo.
18878 (arm_load_pic_register): Handle the pic register being in a pseudo.
18879 (arm_expand_prologue): Only set up the pic register if it is fixed.
18880 (thumb_expand_prologue): Likewise.
18881 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
18882 (pic_load_addr_based_insn): Likewise.
18883 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
18886 2006-01-18 Ben Elliston <bje@au.ibm.com>
18888 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
18889 decimal float modes for all floating point registers.
18891 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
18892 match_code "mem" with match_test "macho_lo_sum_memory_operand".
18894 2006-01-17 Jakub Jelinek <jakub@redhat.com>
18897 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
18898 even when the pointer is not NULL.
18900 2006-01-16 Ian Lance Taylor <ian@airs.com>
18902 * common.opt (ftoplevel-reorder): New option.
18903 * cgraph.c (cgraph_asm_nodes): New global variable.
18904 (cgraph_asm_last_node): New static variable.
18905 (cgraph_order): New global variable.
18906 (cgraph_create_node): Set new order field.
18907 (cgraph_varpool_node): Likewise.
18908 (decide_is_variable_needed): Return true if not
18909 flag_toplevel_reorder.
18910 (cgraph_add_asm_node): New function.
18911 * cgraph.h (struct cgraph_node): Add order field.
18912 (struct cgraph_varpool_node): Add order field.
18913 (struct cgraph_asm_node): Define.
18914 (cgraph_asm_nodes, cgraph_order): Declare.
18915 (cgraph_add_asm_node): Declare.
18916 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
18918 (cgraph_varpool_assemble_pending_decls): Call it.
18919 (cgraph_output_pending_asms): New static function.
18920 (cgraph_finalize_compilation_unit): Call it.
18921 (struct cgraph_order_sort): Define.
18922 (cgraph_output_in_order): New static function.
18923 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
18924 !flag_toplevel_reorder case.
18925 * c-parser.c: Include "cgraph.h".
18926 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
18928 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
18929 than -fno-unit-at-a-time.
18930 * doc/invoke.texi (Option Summary): Mention
18931 -fno-toplevel-reorder.
18932 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
18933 -funit-at-a-time documentation.
18935 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
18936 Kazu Hirata <kazu@codesourcery.com>
18938 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
18940 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
18942 * Makefile.in (FUNCTION_H): New. Use it instead of
18943 function.h throughout the file.
18944 * function.h: Include tree.h.
18946 2006-01-17 Ben Elliston <bje@au.ibm.com>
18948 * recog.c: Separate some functions with whitespace.
18950 2006-01-16 Richard Henderson <rth@redhat.com>
18952 Merge from gomp branch:
18953 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
18954 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
18955 and rename from struct inline_data. Rename callee* to dst*;
18956 caller* to src*; add copy_decl hook, transform_call_graph_edges,
18957 transform_new_cfg, transform_return_to_modify, and
18958 transform_lang_insert_block flags; remove cloning_p, versioning_p,
18960 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
18961 (copy_decl_for_dup): Remove.
18962 * tree-inline.c (struct inline_data): Move to header.
18963 (insert_decl_map): Export.
18964 (remap_decl): Update for member name changes. Use copy_decl hook.
18965 Allow for replacement to be a non-decl. Remove dead code.
18966 (remap_type_1): Check for existing mapping.
18967 (remap_type): Export.
18968 (remap_decls): Update for member name changes.
18969 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
18970 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
18971 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
18972 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
18973 (tree_function_versioning, build_duplicate_type): Likewise.
18974 (copy_body_r): Likewise. Export.
18975 (copy_decl_for_dup): Split into ...
18976 (copy_decl_for_dup_finish, copy_decl_to_var,
18977 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
18978 (replace_ref_tree, inlining_p): Remove.
18980 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18982 * ifcvt.c (if_convert): Make it static.
18983 * rtl.h: Remove the prototype for if_convert.
18985 * local-alloc.c (local_alloc): Make it static.
18986 * rtl.h: Remove the prototype for local_alloc.
18988 * loop.c (loop_optimize): Make it static.
18989 * cfgloop.h: Remove the prototype for loop_optimize.
18992 2006-01-16 DJ Delorie <dj@redhat.com>
18994 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
18997 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18999 * pa.md: Disparage copies between general and floating-point registers
19000 in 32-bit move patterns.
19002 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
19005 * Makefile.in (check-%): Depend on site.exp instead of
19006 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
19009 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19011 * global.c (global_alloc): Make it static.
19012 * rtl.h: Remove the prototype for global_alloc.
19014 2006-01-16 Richard Guenther <rguenther@suse.de>
19016 * tree-ssa-alias.c (struct used_part): Add write_only field.
19017 (get_or_create_used_part_for): Initialize it to true.
19018 (create_overlap_variables_for): Don't create structure variables
19019 for structures that only are written to.
19020 (find_used_portions): Handle MODIFY_EXPR to track whether a
19021 structure is only written to.
19023 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19025 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
19027 * basic-block.h: Remove the prototype for
19028 partition_hot_cold_basic_blocks.
19030 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
19032 * cppspec.c (lang_specific_spec_functions): Remove.
19033 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
19034 * gcc.h (lang_specific_spec_functions): Remove.
19035 * gccspec.c (lang_specific_spec_functions): Remove.
19037 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
19039 * combine.c (record_value_for_reg): Invalidate registers
19041 (record_dead_and_set_regs_1): Likewise, by passing them to
19042 record_value_for_reg.
19043 (record_dead_and_set_regs): Invalidate stores made by a
19044 call. We do not combine across a call, but we still
19045 relied on equivalences.
19047 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
19049 * tree-vrp.c (extract_range_from_binary_expr): Cope with
19050 vrp_int_const_binop returning non-constant nodes.
19052 2006-01-16 Paul Brook <paul@codesourcery.com>
19054 * config/m68k/m68k.c (output_move_const_into_data_reg):
19055 Output correct mnemonic for mvz and mvs.
19057 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
19059 * rtl-factoring.c: Add sequence abstraction algorithm.
19060 * cfgcleanup.c (outgoing_edges_match): Extra checks.
19061 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
19063 (block_has_preserve_label): New function.
19064 * common.opt: Register new pass.
19065 * Makefile.in: Ditto.
19067 * timevar.def: Ditto.
19068 * tree-pass.h: Ditto.
19069 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
19070 * rtl.h (make_jump_insn_raw): Add forward decl.
19071 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
19073 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
19074 Roger Sayle <roger@eyesopen.com>
19076 * fold-const.c (fold_minmax): New static function.
19077 (fold_binary) <MIN_EXPR>: Call it.
19078 <MAX_EXPR>: Likewise.
19079 * stor-layout.c (place_field): Use DECL_SIZE consistently
19080 in the computation of the new record size.
19082 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19084 * cse.c (cse_condition_code_reg): Make it static.
19085 * rtl.h: Remove the prototype for cse_condition_code_reg.
19087 * combine.c (combine_instructions): Make it static.
19088 * rtl.h: Remove the prototype for combine_instructions.
19090 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19093 * tree.c (get_file_function_name_long): Concatenate the first global
19094 object name with a string derived from the input filename of the object
19097 2006-01-16 Ben Elliston <bje@au.ibm.com>
19099 * config/i386/winnt-stubs.c: Update FSF address.
19100 * config/xtensa/ieee754-df.S: Ditto.
19101 * config/xtensa/ieee754-sf.S: Ditto.
19103 2006-01-14 Ian Lance Taylor <ian@airs.com>
19105 * ifcvt.c (noce_init_if_info): New static function, broken out of
19106 noce_process_if_block.
19107 (noce_process_if_block): Call noce_init_if_info.
19108 (check_cond_move_block): New static function.
19109 (cond_move_process_if_block): New static function.
19110 (process_if_block): Call cond_move_process_if_block.
19112 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
19114 * cselib.c (hash_table): Rename to cselib_hash_table.
19115 (cselib_clear_table, discard_useless_values,
19116 remove_useless_values, cselib_lookup_mem, cselib_lookup,
19117 cselib_init, cselib_finish): Adjust uses of hash_table.
19119 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
19121 PR tree-optimization/25485
19122 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
19123 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
19124 is known to be false and true, respectively.
19126 2006-01-14 Richard Guenther <rguenther@suse.de>
19128 PR tree-optimization/22548
19129 PR tree-optimization/22555
19130 PR tree-optimization/22501
19131 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
19132 * params.def (salias-max-array-elements): New parameter.
19133 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
19134 * doc/invoke.texi (salias-max-array-elements): Document.
19135 * tree-flow-inline.h (var_can_have_subvars): We also handle
19137 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
19139 * tree-ssa-structalias.c (params.h): Include.
19140 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
19141 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
19142 (get_constraint_for): For ADDR_EXPR operating on something
19143 containing an ARRAY_REF, add all subvars to the solution.
19144 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
19145 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
19146 for creating MUST_DEFs.
19147 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
19149 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
19151 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
19153 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
19154 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
19155 number_of_iterations_le): New functions.
19156 (number_of_iterations_special): Removed.
19157 (number_of_iterations_exit): Do not use number_of_iterations_special.
19158 * tree.c (unsigned_type_for): Always return integer type.
19160 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
19161 Richard Guenther <rguenther@suse.de>
19163 PR rtl-optimization/24257
19164 * gcse.c (find_moveable_store): Only consider a store movable
19165 when the SET_SRC of the insn can be assigned to a register.
19167 2006-01-14 Ian Lance Taylor <ian@airs.com>
19169 * tree.c (tree_not_class_check_failed): New function.
19170 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
19171 (tree_not_class_check_failed): Declare.
19173 2006-01-13 Ian Lance Taylor <ian@airs.com>
19175 * reload1.c (do_output_reload): Add assertion rejecting a
19178 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
19180 * combine.c (struct reg_stat): Add new fields truncation_label and
19182 (record_value_for_reg): Reset truncated_to_mode.
19183 (record_truncated_value): New function.
19184 (check_promoted_subreg): Call it. Rename to check_conversions.
19185 (combine_instructions): Rename check_promoted_subreg to
19187 (reg_truncated_to_mode): New function.
19188 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
19189 (gen_lowpart_or_truncate): New function.
19190 (force_to_mode): Use it instead of gen_lowpart.
19192 2006-01-13 Diego Novillo <dnovillo@redhat.com>
19194 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
19195 VAR is a tag, not its type tag.
19197 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
19199 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
19200 alternatives to match style of other entries.
19201 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
19203 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
19205 PR tree-optimization/25771
19206 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
19209 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
19212 * tree-inline.c (declare_return_variable): If the return variable
19213 was marked as a non gimple complex, set the return slot variable
19214 to be a non gimple comple variable.
19216 2006-01-13 Richard Guenther <rguenther@suse.de>
19218 * builtins.c (expand_builtin_sincos): New function.
19219 (expand_builtin_mathfn_3): Remove dead code, sin and cos
19221 (expand_builtin): Expand sincos using expand_builtin_sincos.
19223 2006-01-12 DJ Delorie <dj@redhat.com>
19225 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
19226 shift counts, separate SI shifts for m32c vs m16c, pass shift type
19227 so that constant shifts can be split.
19228 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
19229 (m32c_valid_pointer_mode): Make static.
19230 (shift_gen_func_for): New.
19231 (m32c_prepare_shift): Use it. Split large const shifts into
19233 * config/m32c/predicates.md (shiftcount_operand): Allow more
19235 (longshiftcount_operand): New.
19236 * doc/md.texi (Machine Constraints): Document In6.
19238 2006-01-13 Ben Elliston <bje@au.ibm.com>
19240 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
19241 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
19244 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
19246 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
19247 to try to avoid clobbering pieces of structures when we know
19248 something about the whole structure.
19249 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
19251 2006-01-13 Ben Elliston <bje@au.ibm.com>
19253 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
19254 return in memory, as this is no limitation is no longer present.
19256 2006-01-12 DJ Delorie <dj@redhat.com>
19258 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
19259 mova with fb, and for fb+0 -> An.
19261 * config/m32c/mov.md (peephole2): Fix enabling logic.
19263 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
19264 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
19265 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
19266 FINI_ARRAY_SECTION_ASM_OP): Define.
19268 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
19270 (m32c_legitimize_reload_address): New logic to reload FB to An.
19271 (m32c_output_reg_push): Add newline.
19272 (m32c_output_reg_pop): Likewise.
19274 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
19276 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
19278 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
19280 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
19282 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19284 * config/sh/predicates.md (sh_rep_vec): Add parallel to
19287 2006-01-11 Ben Elliston <bje@au.ibm.com>
19289 * rtlanal.c (find_reg_note): Assert insn is not null.
19291 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19293 * df-scan.c (df_hard_reg_init): Move declaration of i outside
19296 2006-01-11 Jeff Law <law@redhat.com>
19298 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
19300 (mark_threaded_blocks, register_jump_thread): New functions.
19301 (thread_through_all_blocks): Remove unwanted argument. No
19302 longer rely on e->aux to communicate thread target info.
19303 Call mark_threaded_blocks. Release the threaded_blocks
19304 bitmap and threaded_edges vector when complete.
19305 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
19306 (threaded_blocks): Remove.
19307 (tree_ssa_dominator_optimize): Remove initialization and
19308 finalization of threaded_blocks. Simplify call to
19309 thread_through_all_blocks.
19310 (thread_across_edge): Call register_jump_thread rather than
19311 storing thread information into e->aux.
19312 (free_all_edge_infos): Simplify now that e->aux is no longer
19313 used to communicate with thread_through_all_blocks.
19314 * tree-flow.h (thread_through_all_blocks): Update prototype.
19315 (register_jump_thread): Prototype.
19317 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19319 * df-core.c (df_compact_blocks, df_bb_replace): Use
19320 SET_BASIC_BLOCK instead of BASIC_BLOCK.
19322 2006-01-11 Richard Guenther <rguenther@suse.de>
19324 PR tree-optimization/25734
19325 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
19326 stop propagation after successful propagation to the LHS.
19328 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19330 * basic-block.h (control_flow_graph): Change the type of
19331 x_basic_block_info to VEC(basic_block,gc) *.
19332 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
19334 (SET_BASIC_BLOCK): New.
19335 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
19336 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
19337 * cfgbuild.c (find_basic_blocks): Likewise.
19338 * cfglayout.c (fixup_reorder_chain): Likewise.
19339 * cfgrtl.c (create_basic_block_structure,
19340 rtl_create_basic_block): Likewise.
19341 * ifcvt.c (find_if_case_1): Likewise.
19342 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
19345 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19347 * Makefile.in: Removed rotted odf.c entry.
19349 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
19352 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
19353 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
19354 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
19355 output pattern modifier, not %e.
19356 * config/cris/cris.c (cris_op_str): Update comment about pattern
19358 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
19359 before falling through into...
19360 <case 'E'>: Redefined from old 'e' case.
19362 2006-01-11 Jan Hubicka <jh@suse.cz>
19365 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
19367 2006-01-11 Jan Hubicka <jh@suse.cz>
19369 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
19370 * i386.c (x86_decompose_lea): Kill.
19371 (ix86_rtx_costs): Kill.
19373 2006-01-11 Jan Hubicka <jh@suse.cz>
19375 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
19376 * cgraph.h (cgraph_node): Add inline_decl.
19377 (cgraph_insert_node_to_hashtable): Declare.
19378 (save_inline_function_body): Declare.
19379 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
19381 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
19382 (cgraph_function_versioning): Update call of tree_function_versioning.
19383 (save_inline_function_body): New function.
19384 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
19385 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
19386 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
19387 (cgraph_default_inline_p): Likewise.
19388 (cgraph_decide_inlining_incrementally): Likewise.
19389 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
19390 (copy_bb): Kill saving; do updating of clones.
19391 (copy_cfg_body): Kill saving.
19392 (initialize_inlined-parameters): Likewise.
19393 (expand_call_inline): Likewise.
19395 (tree_function_versioning): New parameter "update_clones".
19396 (inlining_p): Kill saving.
19397 * tree-inline.h (tree_function_versioning): Update prototype.
19398 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
19401 2006-01-11 Ian Lance Taylor <ian@airs.com>
19403 * combine.c (struct undo): Remove is_int. Enumify types of undos.
19404 Allow undoing set of machine mode.
19405 (do_SUBST): Use enums instead of is_int.
19406 (do_SUBST_MODE): New function.
19407 (SUBST_MODE): New macro.
19408 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
19409 reg and trying to replace reg_regno_rtx with a new register.
19410 (undo_all): Use new enums, handle undoing a PUT_MODE change.
19411 (simplify_set): Use SUBST_MODE.
19412 (distribute_notes): Remove code that tried to update reg notes
19413 for regno_reg_rtx changes.
19415 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
19417 PR tree-optimization/23109
19418 PR tree-optimization/23948
19419 PR tree-optimization/24123
19421 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
19422 * tree-cfg.c (single_noncomplex_succ): New.
19423 * tree-flow.h (single_noncomplex_succ): Declare it.
19424 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19425 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19426 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
19427 insert_bb, register_division_in, insert_reciprocals,
19428 replace_reciprocal, free_bb): New.
19429 (execute_cse_reciprocals_1): Rewritten.
19430 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
19431 Do not commit any edge insertion. Always compute dominators and
19432 create the allocation pool.
19433 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
19434 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
19435 * targhooks.c (default_min_divistions_for_recip_mul): New.
19436 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
19437 * passes.c (init_optimization_passes): Run recip after tree loop
19439 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
19441 2006-01-11 Danny Berlin <dberlin@dberlin.org>
19442 Kenneth Zadeck <zadeck@naturalbridge.com>
19444 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
19445 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
19446 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
19447 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
19448 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
19449 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
19450 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
19451 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
19452 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
19453 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
19454 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
19455 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
19456 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
19457 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
19458 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
19459 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
19460 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
19461 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
19462 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
19463 DF_SCAN_POST_ALLOC): New macros.
19464 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
19465 df_free_bb_function, df_local_compute_function, df_init_function,
19466 df_dataflow_function, df_confluence_function_0,
19467 df_confluence_function_n, df_transfer_function,
19468 df_finalizer_function, df_free_function, df_dump_problem_function,
19469 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
19470 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
19471 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
19472 df_urec_bb_info, ) New types.
19473 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
19475 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
19476 df_analyze_simple_change_some_blocks,
19477 df_analyze_simple_change_one_block, df_compact_blocks,
19478 df_bb_replace, df_bb_regno_last_use_find,
19479 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
19480 df_insn_regno_def_p, df_find_def, df_find_use,
19481 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
19482 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
19483 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
19484 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
19485 debug_df_chain, df_get_dependent_problem, df_chain_create,
19486 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
19487 df_grow_bb_info, df_chain_dump, df_print_bb_index,
19488 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
19489 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
19490 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
19491 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
19492 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
19493 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
19494 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
19495 df_ref_remove, df_insn_refs_delete, df_refs_delete,
19496 df_reorganize_refs, df_set_state, df_hard_reg_init,
19497 df_read_modify_subreg_p) New public functions.
19498 * df-core.c: The core dataflow solver and glue routines for rtl
19500 (df_init, df_add_problem, df_set_blocks, df_finish,
19501 df_hybrid_search_forward, df_hybrid_search_backward,
19502 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
19503 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
19504 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
19505 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
19506 df_reg_defined, df_find_use, df_reg_used, df_dump,
19507 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
19508 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
19509 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
19510 debug_df_useno, reset_df_after_reload): New functions.
19511 * df-scan.c: The scanning fuctions, once in df.c, completely
19512 rewritten so that they now fully model the functionality of
19513 register usage at the backend.
19514 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
19515 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
19516 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
19517 df_grow_insn_info, df_rescan_blocks, df_ref_create,
19518 df_get_artificial_defs, df_get_artificial_uses,
19519 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
19520 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
19521 df_refs_delete, df_reorganize_refs, df_set_state,
19522 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
19523 df_def_record_1, df_defs_record, df_uses_record,
19524 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
19525 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
19526 df_record_exit_block_uses, df_hard_reg_init): New functions.
19528 * df-problems.c: Seven concrete dataflow problems that use the
19529 scanning in df-scan.c and are solved by the engine in df-core.c.
19530 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
19531 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
19532 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
19533 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
19534 df_ru_free_bb_info, df_ru_alloc,
19535 df_ru_bb_local_compute_process_def,
19536 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
19537 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
19538 df_ru_transfer_function, df_ru_free, df_ru_dump,
19539 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
19540 df_rd_free_bb_info, df_rd_alloc,
19541 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
19542 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
19543 df_rd_transfer_function, df_rd_free, df_rd_dump,
19544 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
19545 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
19546 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
19547 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
19548 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
19549 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
19550 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
19551 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
19552 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
19553 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
19554 df_urec_mark_reg_change, df_urec_check_earlyclobber,
19555 df_urec_mark_reg_use_for_earlyclobber,
19556 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
19557 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
19558 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
19559 df_urec_dump, df_urec_add_problem, df_chain_alloc,
19560 df_chain_create_bb_process_use, df_chain_create_bb,
19561 df_chain_finalize, df_chain_free, df_chains_dump,
19562 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
19563 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
19564 df_reg_lifetime): New functions.
19565 * df.c: Deleted file.
19566 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
19567 consistent with new df api.
19568 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
19569 rest_of_handle_sms): Ditto.
19570 * web.c (unionfind_union, union_defs, entry_register, web_main):
19572 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
19573 invariant_expr_equal_p, find_defs, check_dependencies,
19574 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
19575 free_inv_motion_data, move_loop_invariants): Ditto.
19576 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
19577 Update dependencies.
19578 (odf.c): Added defective entry that was deleted later in day.
19579 * sched-deps.c (sched_analyze_1): Ditto.
19581 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
19583 * tree-ssa-operands.c (get_expr_operands): Record addressable
19584 variables directly. Do not call add_stmt_operands for CONST_DECLs
19586 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
19587 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
19589 2006-01-11 Ben Elliston <bje@au.ibm.com>
19591 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
19592 function returns true in the positive case.
19594 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19597 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
19598 for SI, DI, SF and DF modes. Add alternatives to copy between
19599 general and floating point registers to the 32-bit patterns.
19600 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
19601 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
19602 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
19603 generating 64-bit code.
19604 * config/pa/pa.c (output_move_double): Handle copies between general
19605 and floating registers.
19607 2006-01-10 Stuart Hastings <stuart@apple.com>
19609 * config/i386/i386.md (set_got): Update.
19610 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
19611 (builtin_setjmp_receiver): Mach-O support.
19612 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
19613 (GOT_SYMBOL_NAME): Define.
19614 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
19615 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
19616 * config/i386/i386.c (override_options): Revise for Darwin.
19617 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
19618 support. (darwin_x86_file_end): New. (output_set_got): Add label
19619 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
19620 * config/i386/i386-protos.h (output_set_got): Likewise.
19621 * config/darwin.c (machopic_legitimize_pic_address): Update
19624 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
19626 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
19627 when MODE isn't BLKmode.
19629 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
19631 PR rtl-optimization/25367
19632 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
19634 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
19637 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
19638 for a negative bound.
19640 2006-01-10 Richard Guenther <rguenther@suse.de>
19642 * tree-ssa-structalias.c (get_constraint_for_component_ref):
19643 Never override with anything constraint.
19645 2006-01-10 Jan Beulich <jbeulich@novell.com>
19647 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
19648 256 bits when optimize_size.
19650 2006-01-10 Jan Beulich <jbeulich@novell.com>
19652 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
19654 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
19655 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
19658 2006-01-10 Ben Elliston <bje@au.ibm.com>
19660 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
19662 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
19663 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
19664 (USE_FP_FOR_ARG): Reject decimal float modes.
19665 (function_arg_advance): Likewise.
19666 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
19667 (rs6000_handle_altivec_attribute): Do not permit decimal floating
19668 point types in AltiVec vectors.
19669 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
19670 (rs6000_libcall_value): Likewise.
19672 2006-01-09 Bob Wilson <bob.wilson@acm.org>
19674 * config/xtensa/ieee754-df.S: New file.
19675 * config/xtensa/ieee754-sf.S: New file.
19676 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
19677 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
19678 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
19680 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
19682 * config/sh/predicates.md (binary_float_operator,
19683 binary_logical_operator, commutative_float_operator,
19684 equality_comparison_operator, greater_comparison_operator,
19685 less_comparison_operator, logical_operator,
19686 noncommutative_float_operator, shift_operator,
19687 symbol_ref_operand, unary_float_operator): Remove redundant
19690 2006-01-09 Jeff Law <law@redhat.com>
19692 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
19693 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
19694 now unused arguments. Callers updated.
19695 (eliminate_redundant_computations): Remove now unused arguments,
19697 (local_fold): Remove, no longer used.
19698 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
19700 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
19701 (simplify_cond): New function.
19702 (forward_propagate_into_cond): Call simplify_cond.
19704 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
19706 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
19707 (*vec_extractv2di_1_sse): New.
19709 2006-01-09 Ben Elliston <bje@au.ibm.com>
19711 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
19713 2006-01-08 Richard Guenther <rguenther@suse.de>
19715 * tree-ssa-structalias.c (get_constraint_for): Remove
19716 anyoffset argument.
19717 (get_constraint_for_component_ref): Likewise.
19718 (do_deref): Likewise.
19719 (get_constraint_for): Likewise.
19720 (do_structure_copy): Likewise.
19721 (handle_ptr_arith): Likewise.
19722 (find_func_aliases): Likewise. Remove unused need_anyoffset
19725 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
19726 Kaz Kojima <kkojima@gcc.gnu.org>
19728 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
19729 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
19730 (EXTRA_CONSTRAINT_C16): Remove.
19731 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
19732 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
19733 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
19734 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
19735 constants of SHmedia. Handle nested constant expressions of
19737 (andcosts): Fix the costs for SHmedia constants.
19738 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
19739 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
19740 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
19741 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
19742 (movv4hi_i, movv2si_i): Likewise.
19743 (movsi_const): Adjust the second operand of ior so to match with
19744 the Csu constraint.
19745 (movdi_const, movdi_const_32bit): Likewise.
19746 (movdi_const_16bit+1): Don't sign-extend LOW.
19747 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
19749 (*double_shori): Fix the split condition. Use GEN_INT instead
19750 of get_int_mode calls. Mask lower 16-bit of the argument of
19752 (sym2GOTPLT): Remove.
19753 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
19755 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
19756 instead of EXTRA_CONSTRAINT_C16.
19758 2006-01-07 Ian Lance Taylor <ian@airs.com>
19759 David Edelsohn <edelsohn@gnu.org>
19761 PR rtl-optimization/25662
19762 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
19763 for constant operands instead of simplify_gen_binary.
19764 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
19765 after trying simplify_binary_operation
19767 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
19769 * tree.c (iterative_hash_expr): Hash decls based on UID.
19771 2006-01-06 Eric Christopher <echristo@apple.com>
19773 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
19774 (TARGET_UNWIND_EMIT): Fix spelling.
19775 * target.h (gcc_target): Add except_table_label.
19776 * except.c (output_function_exception_table): Use.
19777 * varasm.c (default_emit_except_table_label): New.
19778 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
19780 (asm_out): Add here.
19781 * output.h (default_emit_except_table_label): Prototype.
19782 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
19783 * config/darwin.c (darwin_emit_except_table_label): Define.
19784 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
19786 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
19788 PR tree-optimization/18527
19789 * tree-ssa-loop-niter.c (number_of_iterations_cond,
19790 number_of_iterations_special, number_of_iterations_exit):
19791 Move base and step of an iv to a single structure. Add
19792 no_overflow flag, and use it in # of iterations analysis.
19793 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
19794 folded_casts argument.
19795 (simple_iv): Pass base and step in a structure. Set no_overflow
19797 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
19798 Evaluate expensiveness of computing # of iterations instead of
19799 the final expression.
19800 * tree-scalar-evolution.h (affine_iv): New structure.
19801 (simple_iv): Declaration changed.
19802 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
19803 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
19804 find_givs_in_stmt): Changed due to simple_iv change.
19806 2006-01-06 Jeff Law <law@redhat.com>
19809 * tree-cfg.c (bsi_replace): Rename final argument from
19810 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
19811 change (stmt -> orig_stmt).
19812 * tree-eh.c (verify_eh_throw_stmt_node): New function.
19813 (bsi_remove): Add new argument. Remove EH information
19815 (verify_eh_throw_table_statements): New function.
19816 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
19818 * tree-optimize.c (execute_free_cfg_annotations): Verify
19819 the EH throw statement table after removing annotations.
19820 * except.h (verify_eh_throw_table_statements): Prototype.
19821 * tree-flow.h (bsi_remove): Update prototype.
19822 * tree-vrp.c (remove_range_assertions): Add new argument to
19824 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
19825 * tree-complex.c (expand_complex_div_wide): Likewise.
19826 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
19827 * tree-tailcall.c (eliminate_tailcall): Likewise.
19828 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
19829 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
19830 * tree-nrv.c (tree_nrv): Likewise.
19831 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
19832 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
19833 (combine_blocks): Likewise.
19834 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
19835 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
19836 (cleanup_control_flow): Likewise.
19837 (remove_forwarder_block): Likewise.
19838 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
19839 * tree-sra.c (sra_replace): Likewise.
19840 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
19841 (forward_propagate_single_use_vars): Likewise.
19842 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
19843 * tree-inline.c (expand_call_inline): Likewise.
19844 * tree-vect-transform.c (vect_transform_loop): Likewise.
19845 * tree-outof-ssa.c (rewrite_trees): Likewise.
19846 * tree-cfg.c (make_goto_expr_edges): Likewise.
19847 (cleanup_dead_labels): Likewise.
19848 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
19849 (bsi_move_before, bsi_move_after): Likewise.
19850 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
19851 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
19853 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
19856 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
19858 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
19859 on non gimple variables. Also add checks at the top for decls and
19861 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
19863 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
19864 and IMAGPART_EXPR for creating MUST_DEFs.
19865 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
19866 and NAME_MEMORY_TAG separately from the DECLs.
19868 2006-01-06 Richard Guenther <rguenther@suse.de>
19870 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
19871 annotation, if necessary.
19872 * tree-ssa-pre.c (create_expression_by_pieces): Remove
19873 redundant calls to update_stmt.
19874 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
19877 2006-01-05 Richard Henderson <rth@redhat.com>
19879 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
19881 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19883 * c-typeck.c: Update copyright date.
19885 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19887 * c-typeck.c (build_c_cast): Always warn when casting
19888 from a pointer to an integer of different size, even if
19889 the node was constant.
19891 2006-01-05 Richard Guenther <rguenther@suse.de>
19893 PR tree-optimization/22555
19894 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
19895 if one structure field is an array.
19896 * tree-ssa-operands.c (get_expr_operands): Continue scanning
19897 operands even if we found a subvar, but ignore VOPs in this
19899 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
19901 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
19903 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
19905 PR middle-end/24998
19906 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
19908 2006-01-05 Richard Guenther <rguenther@suse.de>
19909 Diego Novillo <dnovillo@redhat.com>
19911 * tree-pass.h (TODO_remove_unused_locals): Define.
19912 * gimple-low.c (expand_var_p, remove_useless_vars,
19913 pass_remove_useless_vars): Remove. Update all users.
19914 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
19915 (remove_unused_locals): New function.
19916 * tree-flow.h (remove_unused_locals): Declare.
19917 * passes.c (execute_todo): Call remove_unused_locals if
19918 TODO_remove_unused_locals is set.
19919 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
19920 * tree-ssa-dce.c (pass_dce): Likewise.
19921 * tree-outof-ssa.c (pass_del_ssa): Likewise.
19923 2006-01-05 Richard Guenther <rguenther@suse.de>
19925 * tree-flow.h (struct fieldoff): Decompose field to
19926 type, size and decl.
19927 * tree-ssa-alias.c (create_sft): Take type as parameter.
19928 (create_overlap_variables_for): Store type, size and decl
19929 in the fieldoff structure.
19930 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
19931 of struct fieldoff.
19932 (push_fields_onto_fieldstack): Likewise.
19933 (create_variable_info_for): Likewise. Use offset for the
19934 SFT name if the decl is not available.
19936 2006-01-04 Paul Brook <paul@codesourcery.com>
19938 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
19940 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
19942 * lambda-code.c (can_put_in_inner_loop): Relax
19944 (can_put_after_inner_loop): New function.
19945 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
19946 (perfect_nestify): Change to make copies and modify uses.
19948 2006-01-04 Richard Henderson <rth@redhat.com>
19950 Merge from gomp branch:
19951 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
19952 via integer constant.
19953 (pragma_lex): Remove.
19954 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
19955 rather than parsing it.
19956 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
19957 handle_pragma_extern_prefix): Add %< %> quotes.
19958 (registered_pragmas): New.
19959 (c_register_pragma_1): New.
19960 (c_register_pragma): Use it.
19961 (c_register_pragma_with_expansion): Likewise.
19962 (c_invoke_pragma_handler): New.
19963 (init_pragma): Use cpp_register_deferred_pragma directly for
19965 * c-pragma.h (enum pragma_kind): New.
19966 (pragma_handler): New.
19967 (c_invoke_pragma_handler): Declare.
19968 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
19970 * c-common.h (c_common_pch_pragma): Update decl.
19971 * Makefile.in (c-parser.o): Update dependencies.
19972 (GTFILES): Add c-pragma.h.
19973 * c-parser.c (struct c_token): Add pragma_kind.
19974 (struct c_parser): Add in_pragma.
19975 (c_lex_one_token): Always initialize keyword and pragma_kind.
19976 Extract data for CPP_PRAGMA.
19977 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
19978 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
19979 Don't allow CPP_PRAGMA_EOL if in_pragma.
19980 (c_parser_consume_pragma): New.
19981 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
19982 (c_parser_skip_to_end_of_parameter): Likewise.
19983 (c_parser_skip_to_end_of_block_or_statement): Likewise.
19984 (c_parser_skip_to_pragma_eol): New.
19985 (c_parser_external_declaration): Handle CPP_PRAGMA.
19986 (c_parser_compound_statement_nostart): Likewise.
19987 (c_parser_statement_after_labels): Likewise.
19988 (c_parser_pragma): New.
19989 (pragma_lex): Likewise.
19990 (c_parser_pragma_pch_preprocess): New.
19991 (c_parser_new): Merge into ...
19992 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
19994 2006-01-04 Jeff Law <law@redhat.com>
19997 * tree-cfg.c (bsi_replace): Remove the original statement
19998 from the EH throw statement table.
20000 2006-01-04 Jakub Jelinek <jakub@redhat.com>
20002 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
20003 make the prototype extern "C" and add throw ().
20006 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
20007 and pos non-negative and pos + len <= 32.
20008 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
20009 drop pos + len < HOST_BITS_PER_WIDE_INT test.
20010 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
20013 * c-common.c (handle_vector_size_attribute): Reject zero vector size
20014 as well as sizes not multiple of component size.
20017 * function.c (instantiate_expr): New function.
20018 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
20019 walk its DECL_VALUE_EXPR with instantiate_expr.
20021 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
20022 DW_OP_deref{,_size} if address isn't going to be added.
20024 2006-01-04 Ben Elliston <bje@au.ibm.com>
20026 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
20027 * config/fp-bit.c: Likewise.
20029 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
20031 * dominance.c: Add comment about why we use DFS numbering
20034 2006-01-03 Jakub Jelinek <jakub@redhat.com>
20035 Richard Henderson <rth@redhat.com>
20037 Merge from gomp-branch:
20038 * varasm.c (assemble_variable): Handle thread-local COMMON data.
20039 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
20041 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
20043 PR rtl-optimization/25578
20044 * combine.c (combine_simplify_rtx, force_to_mode): Don't
20045 pass a parameter to simplify_shift_const if changing ASHIFTRT
20048 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
20050 * builtins.c (get_builtin_sync_mem): New function.
20051 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
20052 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
20053 Call get_builtin_sync_mem to generate mem rtx.
20055 2006-01-03 Richard Guenther <rguenther@suse.de>
20058 * stmt.c (add_case_node): Make sure to clear overflow flags
20061 2006-01-03 Jakub Jelinek <jakub@redhat.com>
20063 Merge from gomp-branch.
20064 * config/sparc/sync.md: New file.
20065 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
20066 UNSPECV_LDSTUB): New constants.
20067 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
20068 * config/sparc/predicates.md (memory_reg_operand): New predicate.
20069 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
20072 2006-01-03 Roger Sayle <roger@eyesopen.com>
20074 * combine.c (reg_subword_p): New predicate to test whether the
20075 destination of a set refers to a subword/piece of a register.
20076 (try_combine): Generalize the code to merge the setting of a
20077 pseudo to a constant followed by a set of a subword of that
20078 register to a constant.
20080 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
20082 * basic-block.h (control_flow_graph): Change the type of
20083 x_label_to_block_map to VEC(basic_block,gc) *.
20084 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
20085 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
20087 * tree-ssa-propagate.c (cfg_blocks): Change the type to
20088 VEC(basic_block,heap) *.
20089 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
20090 ssa_prop_fini): Adjust the uses of cfg_blocks.
20092 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
20094 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
20096 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
20097 hashing trees instead of a pointer hash.
20098 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
20099 compare for MEM_EXPR.
20101 PR rtl-optimization/25130
20102 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
20103 when comparing MEMs for GCSE
20105 2006-01-03 Ben Elliston <bje@au.ibm.com>
20107 * targhooks.h (default_decimal_float_supported_p): Declare.
20108 * targhooks.c (default_decimal_float_supported_p): Define.
20109 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
20110 `default_decimal_float_supported_p'.
20111 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
20113 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
20115 * combine.c (apply_distributive_law <SUBREG>): Check
20116 TRULY_NOOP_TRUNCATION.
20118 2006-01-02 Geoffrey Keating <geoffk@apple.com>
20120 * dwarf2out.c (have_switched_text_section): Delete.
20121 (have_multiple_function_sections): New.
20122 (have_location_lists): Make 'bool'.
20123 (add_AT_loc_list): Use 'true' not '1'.
20124 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
20125 (output_loc_list): Use have_multiple_function_sections.
20126 (output_ranges): Likewise.
20127 (dwarf2out_begin_function): Set have_multiple_function_sections if
20129 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
20130 Check function_section rather than DECL_SECTION_NAME.
20131 (dwarf2out_finish): Use have_multiple_function_sections.
20132 Don't clear have_location_lists.
20134 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
20135 Jan Hubicka <jh@suse.cz>
20137 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
20138 case of conditional jump jumping to the next instruction.
20139 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
20140 cases of conditional jump jumping to the next instruction.
20142 2006-01-02 Jan Hubicka <jh@suse.cz>
20144 * i386.c (*_cost): Add COSTS_N_INSNS.
20145 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
20147 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
20150 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
20152 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
20154 * config/arm/arm.c (all_fpus): Fix comment typo.
20155 * config/darwin.c: Likewise.
20156 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
20157 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
20158 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
20160 2006-01-01 David Edelsohn <edelsohn@gnu.org>
20162 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
20163 (rs6000_split_compare_and_swapqhi): New.
20164 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
20165 (sync_compare_and_swapqhi_internal): New.
20166 * config/rs6000/rs6000-protos.h: Declare.