1 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
3 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
4 * alias.c (canon_true_dependence): Update comment.
6 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
8 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
9 at the end of a diagnostics message.
11 * alloc-pool.c (pool_free): Postpone clearing the pool entry
12 until after asserting that it was allocated in the right pool.
14 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
15 successor edge information as well. Make output of live regs
16 on exit consistent with live regs on entry.
18 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
21 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
22 insn patterns for TARGET_80387.
23 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
24 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
25 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
26 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
27 Generate truncxf<mode>2 insn patterns for strict SSE math.
29 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
31 * config/i386/i386.md (movsf_1): Enable pattern for standard
32 80387 constants before reload when optimizing for size.
33 (*movdf_nointeger, *movdf_integer): Ditto.
34 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
35 80387 constants before reload when not optimizing for size.
37 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
38 extension of XFmode input operands.
40 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
42 * config/spu/crt0.c (__dso_handle): Define.
44 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
46 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
47 when clearing the used flags.
49 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
51 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
53 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
56 * config/spu/spu.md (extend_compare<mode>): New pattern.
57 (extend_compare): Change to expand and use the above pattern.
59 2006-11-29 Janis Johnson <janis187@us.ibm.com>
61 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
63 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
64 (DFP_INIT_ROUNDMODE): Define.
65 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
66 * mklibgcc.in: Fix dependencies for dfp-bit.c.
68 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
70 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
72 (associate_line_notes_with_blocks): Kill.
73 (extend_bb): Remove basic block argument, put void instead.
74 Remove line number handling for each bb.
75 (save_line_notes): Kill.
76 (restore_line_notes): Kill.
77 (sched_init): Remove line_note_head initialization.
78 Change extend_bb call.
79 (sched_finish): Remove free of line_note_head.
80 (add_block): Change extend_bb call.
81 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
82 rm_line_notes and restore_line_notes calls.
83 (schedule_ebbs): Remove rm_redundant_line_notes.
84 * sched-int.h (struct haifa_insn_data): Remove line_note.
85 (save_line_notes): Remove declaration.
86 (restore_line_notes): Remove declaration.
87 * modulo-sched.c (loop_canon_p): Update debug info printing
88 by using insn locators instead of line note.
89 (sms_schedule): Update debug info printing, by using insn
90 locators instead of line note.
91 * sched-rgn.c (debug_dependencies): Remove handling of case
92 n>0 (line number), since it's a dead code.
93 (schedule_region): Remove save_line_notes and
94 restore_line_notes calls.
96 2006-11-29 Joseph Myers <joseph@codesourcery.com>
98 * config/rs6000/predicates.md (gpc_reg_operand): Check
100 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
101 SImode subregs of SPE vectors.
102 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
103 * jump.c (true_regnum): Require subregs to satisfy
104 subreg_offset_representable_p.
106 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
107 Steven Bosscher <stevenb.gcc@gmail.com>
109 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
110 since it no longer exists.
112 2006-11-29 Duncan Sands <baldrick@free.fr>
114 PR tree-optimization/23744
115 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
117 2006-11-29 Duncan Sands <baldrick@free.fr>
119 PR tree-optimization/23744
120 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
122 2006-11-29 Duncan Sands <baldrick@free.fr>
124 PR tree-optimization/23744
125 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
127 2006-11-29 Jie Zhang <jie.zhang@analog.com>
129 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
131 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
133 * sh.opt (minline-ic_invalidate): New option.
134 (musermode): Adjust comment.
135 * sh.c (sh_initialize_trampoline): Emit library call unless
136 is set; if it is set, don't emit library call if we can use icbi
138 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
139 icbi for TARGET_SH4_300.
140 * t-sh (LIB1ASMFUNCS_CACHE): Set.
141 * doc/invoke.texi: Document -minline-ic_invalidate; Update
142 -musermode documentation.
144 2006-11-29 Jim Tison <jtison@us.ibm.com>
146 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
147 __gthread_recursive_mutex_init): Define.
149 2006-11-29 Joseph Myers <joseph@codesourcery.com>
151 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
152 STRICT_ALIGNMENT and the type is more aligned than the saved
153 registers, copy via a temporary.
155 2006-11-28 Andrew Pinski <pinskia@gmail.com>
158 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
161 2006-11-28 Bob Wilson <bob.wilson@acm.org>
163 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
165 2006-11-28 Jan Hubicka <jh@suse.cz>
167 Privatize SSA variables into gimple_df.
169 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
170 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
171 gimple_nonlocal_all): New accessors.
172 (first_referenced_var): Update.
173 (mark_stmt_modified): Update.
174 (is_call_clobbered): Update.
175 (mark_call_clobbered): Update.
176 (clear_call_clobbered): Update.
177 (mark_non_addressable): Update.
178 * tree-vrp.c (get_value_range): Update.
179 * tree-into-ssa.c (in_ssa_p): Kill.
180 (get_default_def_for): Update.
181 (rewrite_into_ssa): Update.
182 * tree-complex.c (init_parameter_lattice_values): Update.
183 (update_complex_assignment): Update.
184 (update_parameter_components): Update.
185 (expand_complex_libcall): Update.
186 (expand_complex_operations_1): Update.
187 * tree-tailcall.c (arg_needs_copy_p): Update.
188 (add_virtual_phis): Update.
189 (tree_optimize_tail_calls_1): Update.
190 * tree-ssa-dse.c (memory_ssa_name_same): Update.
191 * tree-ssa-copyrename.c
192 (copy_rename_partition_coalesce): Update.
193 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
194 * tree-ssa-propagate.c (set_rhs): Update.
195 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
196 addressable_vars, global_var):Kill.
197 (set_initial_properties): Update.
198 (init_alias_info): Update.
199 (finalize_ref_all_pointers): Update.
200 (setup_pointers_and_addressables): Update.
201 (maybe_create_global_var): Update.
202 (create_global_var): Update.
203 (dump_points_to_info): Update.
204 * function.h (struct gimple_df): Forward declare.
205 (struct function): Add GIMPLE_DF field.
206 * gimplify.c (force_gimple_operand): Update.
207 * tree-dfa.c (referenced_vars, default_defs): KIll.
208 (make_rename_temp): Update.
209 (dump_variable): Update.
210 (referenced_var_lookup): Update.
211 (referenced_var_check_and_insert): Update.
212 (default_def): Rename to ...
213 (gimple_default_def): ... this one; accept cfun argument.
214 (set_default_def): Update.
215 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
216 (cleanup_control_flow): Update.
217 * tree-ssa-pre.c (compute_avail): Update
218 * tree-ssa-live.c (calculate_live_on_entry): Update.
219 * tree-ssa.c (verify_use): Update.
220 (verify_call_clobbering): Update.
221 (verify_call_clobbering): Update.
222 (init_tree_ssa): Update.
223 (delete_tree_ssa): Update.
224 * tree-outof-ssa.c (coalesce_ssa_name): Update.
225 (rewrite_out_of_ssa): Update.
226 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
227 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
229 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
230 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
231 addressable_vars, aliases_computed_p): Kill.
232 (default_def): Rename to...
233 (gimple_default_def): ... this one.
234 (defaule_def_fn): Kill.
235 (num_referenced_vars, ssa_names, num_ssa_names): Update.
236 * tree-ssa-structalias.c (nonlocal_all): Kill.
237 (get_constraint_exp_from_ssa_var): Update.
238 (create_nonlocal_var): Update.
239 (get_constraint_for): Update.
240 (update_alias_info): Update.
241 (find_global_initializers): Update.
242 (intra_create_variable_infos): Update.
243 (intra_create_variable_infos):
244 (find_what_p_points_to): Update.
245 (init_alias_heapvars): Update.
246 * tree-cfg.c (remove_bb): Update.
247 (gimplify_val): Update.
248 * tree-ssa-reassoc.c (get_rank): Update.
249 (init_reassoc): Update.
250 * tree-ssanames.c: Do not include gt-tree-ssanames.h
251 (ssa_names, free_ssanames): Kill.
252 (init_ssanames): Update.
253 (make_ssa_name): Update.
254 (release_ssa_name): Update.
255 (release_defs): Update.
256 (replace_ssa_name_symbol): Update.
257 * tree-ssa-operands.c (access_can_touch_variable): Update.
258 (add_virtual_operand): Update.
259 (add_call_clobber_ops): Update.
260 (add_call_read_ops): Update.
261 (get_call_expr_operands): Update.
262 (get_asm_expr_operands): Update.
264 2006-11-28 Jan Hubicka <jh@suse.cz>
266 * builtins.c: Include tree-flow.h.
267 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
268 assignment; convert memmove to memcpy for sizes greater than 1 where
269 alignment of operands prohibit the partial overlap.
271 2006-11-28 Jan Hubicka <jh@suse.cz>
273 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
274 * cgraph.c (dump_cgraph_node): Dump stack usage.
275 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
276 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
277 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
278 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
279 (cgraph_check_inline_limits): Limit stack growth.
280 * cfgexpand.c: Include tree-inline.h.
281 (account_stack_vars): New function.
282 (expand_one_var): New param to just account the stack; return estimated
284 (expand_used_vars_for_block): Update call of expand_one_var.
285 (account_used_vars_for_block): New function.
286 (estimated_stack_frame_size): Likewise.
287 (init_vars_expansion, fini_vars_expansion): Break out from..
288 (expand_used_vars): ... here.
289 * tree-inline.h (estimated_stack_frame_size): Declare.
290 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
292 2006-11-28 Richard Guenther <rguenther@suse.de>
294 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
295 unsigned long for printing OBJECT_SIZE.
297 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
299 * alias.c (init_alias_analysis): Remove simplification loop
300 after propagating pointers.
302 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
304 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
307 2006-11-27 Bob Wilson <bob.wilson@acm.org>
309 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
311 2006-11-27 Roger Sayle <roger@eyesopen.com>
312 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
314 * c-common.c (constant_fits_type_p): Delete.
315 (unsigned_conversion_warning): Delete.
316 (conversion_warning): Integrate Wconversion warning from
317 unsigned_conversion_warning.
318 (convert_and_check): Integrate Woverflow warning from
319 unsigned_conversion_warning. Reorganize and simplify to avoid
320 dependence upon the middle-end setting TREE_OVERFLOW on integral
321 conversions, by using int_fits_type_p directly.
323 2006-11-27 Tobias Burnus <burnus@net-b.de>
325 * doc/invoke.texi: Fixed typo.
327 2006-11-27 Michael Matz <matz@suse.de>
328 Andreas Krebbel <krebbel1@de.ibm.com>
331 * config/s390/predicates.md (larl_operand): Check addend of larl
332 operand to be in range of -/+2GB.
333 * config/s390/s390.c (legitimize_pic_address): Likewise.
334 Changed type of variable even to HOST_WIDE_INT.
336 2006-11-27 Jan Hubicka <jh@suse.cz>
338 * expr.c (emit_block_move_via_libcall): Export.
339 (clear_storage_via_libcall): Rename to ...
340 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
341 (clear_storage): Update to set_storage_via_libcall.
342 * expr.h (emit_block_move_via_libcall): Declare
343 * config/i386/i386.h (stringop_alg): New enum.
344 (MAX_STRINGOP_ALGS): New constant.
345 (stringop_algs): New struct.
346 (processor_costs): Add memcpy/memset descriptors.
347 (TARGET_REP_MOVEL_OPTIMAL): Remove.
348 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
349 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
351 * config/i386/i386.opt (minline-stringops-dynamically,
352 mstringop-strategy): New
354 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
355 (ix86_expand-clrmem): Rename to ...
356 (ix86_expand_setmem): ... this one; update prototype.
357 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
358 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
359 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
360 nocona_cost, core2_cost, generic_cost, generic64_cost,
361 generic32_cost): Add memcpy/memset descriptors.
362 (x86_rep_movl_optimal): Remove.
363 (stringop_alg): New static variable.
364 (ix86_expand_aligntest): Handle predictions.
365 (override_options): Add strgop_alg handling.
366 (predict_jump): New function.
367 (scale_counter): New function.
368 (expand_set_or_movmem_via_loop): New function.
369 (expand_movmem_via_rep_mov): New function.
370 (expand_setmem_via_rep_stots): New function.
371 (emit_strmov): New function.
372 (expand_movmem_epilogue): New function.
373 (expand_setmem_epilogue_via_loop): New function.
374 (expand_setmem_epilogue): New function.
375 (expand_movmem_prologue): New function.
376 (expand_setmem_prologue): New function.
377 (decide_alg): New function.
378 (decide_alignment): New function.
379 (ix86_exand_movmem): Rewrite.
380 (promote_duplicated_reg): New function.
381 (ix86_expand_clrmem): Rename to ...
382 (ix86_expand_setmem): ... this one. Rewrite.
384 * invoke.texi (minline-stringops-dynamically): New command line option.
385 (mstringop-strategy): Likewise.
387 2006-11-27 Jan Hubicka <jh@suse.cz>
389 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
390 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
391 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
392 * insn-notes.def (FUNCTION_END): Remove.
393 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
394 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
396 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
397 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
398 * cfglayout.c (duplicate_insn_chain): Don't worry about
401 2006-11-27 Richard Guenther <rguenther@suse.de>
402 Zdenek Dvorak <dvorakz@suse.cz>
404 * target.h (struct gcc_target): Add builtin_vectorized_function
406 * target-def.h (TARGET_VECTORIZE): Likewise.
407 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
408 Document new target hook.
409 * targhooks.h (default_builtin_vectorized_function): Declare.
410 * targhooks.c (default_builtin_vectorized_function): Define.
411 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
412 (vectorizable_call): Declare.
413 * tree-vect-analyze.c (vect_analyze_operations): Call
415 * tree-vect-transform.c (vectorizable_function): New static function.
416 (build_vectorized_function_call): Likewise.
417 (vectorizable_call): New function.
418 (vect_transform_stmt): Handle vectorizable calls.
420 2006-11-27 Richard Guenther <rguenther@suse.de>
423 * builtins.c (expand_builtin_pow): Optimize non integer valued
424 constant exponents using sqrt or cbrt if possible. Always fall back
425 to expanding via optabs.
427 2006-11-27 Ira Rosen <irar@il.ibm.com>
429 PR tree-optimization/22372
430 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
431 the type of the base address.
432 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
433 it in the data-ref pointer creation.
434 (vect_init_vector): Add an argument, type of the init vector. Use it in
436 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
437 (get_initial_def_for_reduction): Likewise.
438 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
440 (vectorizable_assignment, vect_permute_store_chain): Likewise.
441 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
442 correct type in stmt creation.
443 (vect_setup_realignment): Use the correct type in stmt creation.
444 (vect_permute_load_chain): Change type of MODIFY_EXPR to
446 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
447 of MODIFY_EXPR to void_type_node.
448 (vectorizable_condition): Change type of MODIFY_EXPR to
450 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
453 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
456 2006-05-08 Uros Bizjak <uros@kss-loka.si>
457 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
458 standard 80387 constants, raise the cost to prevent
459 compress_float_constant() to generate load from memory.
461 * config/i386/i386.md: Add new splitter pattern to split
462 float_extended load of constant from constant pool into
465 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
467 * doc/install.texi: Move GMP/MPFR configure options from Fortran
468 section to general section. Remove documentation for
469 --with-mpfr-dir and --with-gmp-dir, add documentation for
470 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
473 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
475 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
477 * testsuite/gcc.dg/ipa/ipa-6.c: New.
479 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
481 PR tree-optimization/29122
482 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
483 for the new version. Assign NULL to DECL_RTL of the new version.
485 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
487 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
489 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
491 * cse.c (cse_altered): Remove.
492 (record_jump_equiv): Make true/false argument a bool instead
494 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
495 where appropriate. Emit a new jump before the existing one
496 instead of after so that delete_insn_and_edges removes the
497 dead edges properly. Check any_condjump_p before calling
499 (cse_basic_block): Check any_condjump_p before calling
501 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
503 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
505 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
506 -ffixed-line-length-* options.
508 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
510 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
511 (fprem1xf4): Rename to fprem1xf4_i387.
513 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
514 Rename patterns to fmod<mode>3. Use general_operand operand
515 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
516 patterns for SSE math.
517 (remaindersf3, remainderdf3): Ditto.
519 2006-11-25 Joseph Myers <joseph@codesourcery.com>
521 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
522 inside start_sequence / end_sequence pair.
524 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
526 * jump.c (mark_all_labels): Work in cfglayout mode.
527 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
528 when in cfglayout mode, because there are no dead jumptables
530 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
532 (commit_edge_insertions): Do not allow insertion of instructions
533 with control flow insns when in cfglayout mode.
535 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
537 * tree-vrp.c (execute_vrp): Do not pass loops structure through
539 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
540 unswitch_loop): Ditto.
541 * tree-loop-linear.c (linear_transform_loops): Ditto.
542 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
543 tree_ssa_lim): Ditto.
544 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
545 free_numbers_of_iterations_estimates): Ditto.
546 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
547 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
548 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
549 remove_path, add_loop, loopify, unloop, fix_loop_placements,
550 place_new_loop, duplicate_loop, duplicate_subloops,
551 update_single_exit_for_duplicated_loops, copy_loops_to,
552 duplicate_loop_to_header_edge, create_preheaders,
553 force_single_succ_latches, loop_version, fix_loop_structure):
555 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
556 tree_unroll_loop): Ditto.
557 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
558 * tree-scalar-evolution.c (select_loops_exit_conditions,
559 scev_initialize, scev_analysis): Ditto.
560 * tree-scalar-evolution.h (scev_initialize): Ditto.
561 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
562 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
563 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
564 * modulo-sched.c (sms_schedule): Ditto.
565 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
566 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
567 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
568 * ifcvt.c (if_convert): Ditto.
569 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
570 canonicalize_loop_induction_variables,
571 canonicalize_induction_variables,
572 tree_unroll_loops_completely, remove_empty_loops): Ditto.
573 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
574 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
575 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
576 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
577 tree_ssa_loop_done): Ditto.
578 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
579 estimate_bb_frequencies): Ditto.
580 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
581 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
582 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
583 decide_unrolling_and_peeling, peel_loop_completely,
584 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
585 peel_loop_simple, unroll_loop_stupid): Ditto.
586 * loop-doloop.c (doloop_optimize_loops): Ditto.
587 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
588 * loop-invariant.c (move_loop_invariants): Ditto.
589 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
590 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
591 tree_ssa_prefetch_arrays): Ditto.
592 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
594 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
595 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
596 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
597 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
598 verify_loop_structure): Ditto.
599 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
600 canonicalize_induction_variables, tree_unroll_loops_completely,
601 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
602 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
603 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
604 tree_unroll_loop, linear_transform_loops): Declaration changed.
605 * basic-block.h: Remove declaration of struct loops.
606 * cfghooks.h (struct cfg_hooks): Change type of
607 cfg_hook_duplicate_loop_to_header_edge.
608 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
609 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
610 vect_transform_loop): Declaration changed.
611 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
612 * cfgloop.h (flow_loops_dump, fix_loop_structure,
613 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
614 cancel_loop_tree, create_preheaders, force_single_succ_latches,
615 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
616 loopify, loop_version, remove_path, unswitch_loops,
617 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
620 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
622 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
623 (X87MODEF): New mode macro.
624 (ssemodefsuffix): New mode attribute.
625 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
626 (sqrt_extend<mode>xf2_i387): New insn pattern.
627 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
628 insn and truncate result back to original mode using
629 UNSPEC_TRUNC_NOOP truncation.
630 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
631 ssemodefsuffix mode attribute.
632 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
633 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
634 (*sqrtextenddfxf2_i387): Remove insn patterns.
636 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
639 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
641 2006-11-24 Jakub Jelinek <jakub@redhat.com>
644 * c-tree.h (c_maybe_initialize_eh): New prototype.
645 * c-decl.c (finish_decl): Move EH initialization...
646 (c_maybe_initialize_eh): ... here. New function.
647 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
648 if not #pragma omp atomic.
651 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
652 or UNION_TYPE inner types.
654 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
657 * ipa-pure-const.c (check_tree): If the original tree
658 is volatile return early and say the function is not pure
659 nor const. Remove the volatile check for writes.
660 (analyze_function): Print out the result of the local
663 2006-11-24 Joseph Myers <joseph@codesourcery.com>
665 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
667 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
668 * config/rs6000/rs6000.c (rs6000_override_options): Use
669 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
672 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
674 * config/s390.c (s390_emit_compare_and_swap): New function.
675 (s390_expand_cs_hqi, s390_expand_atomic): Call
676 s390_emit_compare_and_swap.
678 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
680 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
682 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
686 * c-common.c (conversion_warning): New.
687 (convert_and_check): Call conversion_warning unless there is an
689 * doc/invoke.texi (-Wconversion): Update description.
691 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
693 * tree-ssa-alias.c (tree_pointer_compare): New function.
694 (compact_name_tags): New function.
695 (group_aliases): Call compact_name_tags.
697 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
699 * real.h (real_isinteger): Declare.
700 * real.c (real_isinteger): Define.
701 * builtins.c (integer_valued_real_p): Use it.
703 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
706 * c.opt (Wtraditional-conversion): New.
707 (Wconversion): Update description.
708 * c-typeck.c (convert_arguments): Warnings for prototypes causing
709 type conversions different from what would happen in the absence
710 of prototype are now handled by Wtraditional-conversion.
711 * doc/invoke.texi (Wtraditional-conversion): New.
712 (Wconversion): Update description.
713 * doc/trouble.texi (Wconversion): Replace Wconversion by
714 Wtraditional-conversion.
716 2006-11-23 Andrew Pinski <pinskia@gmail.com>
718 * predict.c (tree_estimate_probability): Check to make
719 sure current_loops is non null before calling flow_loops_dump.
721 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
723 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
725 2006-11-23 David Ung <davidu@mips.com>
727 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
729 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
730 (ASM_SPEC): Pass along -mfp32 and -mfp64.
731 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
732 high part of FP register when in 64-bit FP register mode. Similarly
733 use gen_mfhc1 to load high part of FP register.
734 (override_options): Allow -mgp32 and -mfp64 combination if
735 ISA_HAS_MXHC1 (currently for O32 only).
736 (mips_cannot_change_mode_class): If floating-point registers are
737 bigger than word size. disallow conversion of float register from a
738 large integer mode to a float mode smaller than the float register
740 (mips_class_max_nregs): Handle float registers case seperately.
741 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
743 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
744 (movdf_hardfloat_32bit): Similarly.
745 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
746 support a full 64-bit fpu.
747 (mthc1): New pattern to generate MTHC1 instruction.
748 (mfhc1): New pattern to generate MFHC1 instruction.
749 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
750 option for the MIPS32R2 and mention its use under O32 ABI.
752 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
754 * var-tracking.c (emit_note_insn_var_location): Take care not to
755 cause verify_flow_info failures.
757 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
759 * tree-ssa-structalias.c: Remove edge weights in favor of just
760 processing them as complex constraints.
761 (struct constraint_graph): Remove weighted succs and preds. Rename
762 nonweighted succs and preds.
763 (constraint_edge): Removed.
764 (constraint_edge_t): Ditto.
765 (constraint_edge_pool): Ditto.
766 (new_constraint_edge): Ditto.
767 (constraint_edge_equal): Ditto.
768 (constraint_edge_less): Ditto.
769 (constraint_edge_vec_find): Ditto.
770 (erase_self_graph_edge): Ditto.
771 (add_graph_edge): Removed.
772 (get_graph_weights): Ditto.
773 (allocate_graph_weights): Ditto.
774 (valid_weighted_graph_edge): Ditto
775 (bitmap_other_than_zero_bit_set): Ditto.
776 (int_add_graph_edge): Renamed to add_graph_edge.
777 (clear_edges_for_node): Remove support for weighted edges.
778 (merge_graph_nodes): Ditto.
779 (valid_graph_edge): Ditto.
780 (build_constraint_graph): Ditto.
782 (collapse_nodes): Ditto.
783 (process_unification_queue): Ditto.
785 (do_ds_constraint): Ditto.
786 (perform_var_subsitution): Ditto.
787 (solve_graph): Ditto.
788 (init_alias_vars): Ditto.
789 (delete_points_to_sets): Ditto.
790 (do_complex_constraint): Support offsetted copies here.
792 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
794 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
796 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
798 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
801 2006-11-23 Ben Elliston <bje@au.ibm.com>
803 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
805 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
807 PR tree-optimization/29921
808 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
809 signed and unsigned zero equal.
811 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
813 * config/rs6000/rs6000.c (get_store_dest): New.
814 (adjacent_mem_locations): Use get_store_dest() to get
815 the rtl of the store destination.
817 2006-11-22 Joseph Myers <joseph@codesourcery.com>
819 * config/rs6000/spe.md (SPE64): New mode macro.
820 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
822 (mov_si<mode>_e500_subreg0_2): New.
823 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
825 (mov_si<mode>_e500_subreg4_2): New.
826 * config/rs6000/predicates.md (input_operand): Do not allow
827 invalid E500 subregs.
828 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
830 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
831 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
832 involving vector modes if TARGET_SPE.
834 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
837 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
838 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
840 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
842 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
843 mem_i_address_operand): New predicates.
844 * config/bfin/bfin.c (bfin_issue_rate): New function.
845 (TARGET_SCHED_ISSUE_RATE): New macro.
846 * config/bfin/bfin.md (addrtype): New attribute.
847 (slot0, slot1, slot2, store, pregs): New cpu_units.
848 (core): Now a define_reservation.
849 (alu): Remove some insn types from this reservation.
850 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
852 (dummy reservation): Don't trigger for mcld insns.
853 (absence_sets): Two new absence sets to enforce slot ordering.
854 (popsi_insn): Set addrtype.
856 2006-11-22 Ira Rosen <irar@il.ibm.com>
858 * doc/c-tree.texi: Document new tree codes.
859 * doc/md.texi: Document new optabs.
860 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
862 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
863 * optabs.h (optab_index): Add new.
864 (vec_extract_even_optab, vec_extract_odd_optab,
865 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
866 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
867 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
869 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
870 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
871 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
872 along with macros for their access.
873 * tree-data-ref.h (first_location_in_loop, data_reference): Update
875 * tree-vect-analyze.c (toplev.h): Include.
876 (vect_determine_vectorization_factor): Fix indentation.
877 (vect_insert_into_interleaving_chain,
878 vect_update_interleaving_chain, vect_equal_offsets): New functions.
879 (vect_analyze_data_ref_dependence): Add argument for interleaving
880 check. Check for interleaving if it's true.
881 (vect_check_dependences): New function.
882 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
883 every ddr. Call vect_analyze_data_ref_dependence with new argument.
884 (vect_update_misalignment_for_peel): Update for interleaving.
885 (vect_verify_datarefs_alignment): Check only first data-ref for
887 (vect_enhance_data_refs_alignment): Update for interleaving. Check
888 only first data-ref for interleaving.
889 (vect_analyze_data_ref_access): Check interleaving, update
891 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
892 with different parameters.
893 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
894 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
895 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
896 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
897 Update step in case of interleaving.
898 (vect_strided_store_supported, vect_permute_store_chain): New
900 (vectorizable_store): Handle strided stores.
901 (vect_strided_load_supported, vect_permute_load_chain,
902 vect_transform_strided_load): New functions.
903 (vectorizable_load): Handle strided loads.
904 (vect_transform_stmt): Add argument. Handle strided stores. Check
905 that vectorized stmt exists for patterns.
906 (vect_gen_niters_for_prolog_loop): Update calculation for
908 (vect_transform_loop): Remove stmt_vec_info for strided stores after
909 whole chain vectorization.
910 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
911 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
912 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
913 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
914 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
916 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
918 * cse.c (enum taken): Remove PATH_AROUND.
919 (addr_affects_sp_p, invalidate_skipped_set,
920 invalidate_skipped_block): Remove.
921 (cse_end_of_basic_block): Remove skip_blocks and related code.
922 (cse_main): Don't test for flag_cse_skip_blocks.
923 Update cse_end_of_basic_block call.
924 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
925 code to lengthen the path if a jump was simplified.
927 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
929 PR rtl-optimization/29924
930 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
931 (unroll_loop_runtime_iterations): Assert that the argument passed to
932 split_edge_and_insert is not NULL.
933 * loop-doloop.c (add_test): Ditto.
935 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
937 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
939 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
940 * cfgloopmanip.c (update_single_exits_after_duplication,
941 update_single_exit_for_duplicated_loop, loop_version): Ditto.
942 * tree-scalar-evolution.c (get_loop_exit_condition,
943 get_exit_conditions_rec, loop_closed_phi_def,
944 number_of_iterations_in_loop, scev_const_prop): Ditto.
945 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
946 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
948 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
950 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
951 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
952 slpeel_make_loop_iterate_ntimes,
953 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
954 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
956 * tree-if-conv.c (if_convertible_loop_p): Ditto.
957 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
958 vect_analyze_loop_form): Ditto.
959 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
960 can_convert_to_perfect_nest, perfect_nestify): Ditto.
961 * tree-vect-transform.c (vect_create_epilog_for_reduction,
962 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
963 vect_transform_loop): Ditto.
964 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
965 (single_exit, set_single_exit): New functions.
966 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
967 (single_exit, set_single_exit): Declare.
968 * doc/loop.texi: Undocument single_exit field. Document single_exit
971 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
973 PR tree-optimization/29902
974 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
975 any involved ssa name appears in abnormal phi node.
977 2006-11-21 Bob Wilson <bob.wilson@acm.org>
979 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
980 (xtensa_const_ok_for_letter_p): Delete.
981 (xtensa_extra_constraint): Delete.
982 (override_options): Delete xtensa_char_to_class initialization.
983 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
984 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
985 (EXTRA_CONSTRAINT): Delete.
986 * config/xtensa/xtensa.md: Include constraints.md.
987 (call_internal): Combine alternatives.
988 (call_value_internal): Likewise, and remove invalid constraints.
989 * config/xtensa/constraints.md: New file.
990 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
991 (xtensa_extra_constraint): Delete.
992 * doc/md.texi (Machine Constraints): Refer to constraints.md for
995 2006-11-21 Janis Johnson <janis187@us.ibm.com>
997 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
998 of conversion that doesn't fit.
1000 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
1001 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
1002 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
1004 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
1006 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
1008 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
1010 2006-11-21 Richard Guenther <rguenther@suse.de>
1012 * tree-vectorizer.h (NUM_PATTERNS): Increase.
1013 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
1014 vect_recog_pow_pattern.
1015 (vect_recog_pow_pattern): New function.
1017 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
1019 * config/bfin/bfin.opt (mstack-check-l1): New.
1020 * doc/invoke.texi (Blackfin Options): Document it.
1021 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
1022 stack bounds in L1 memory if the new option is enabled.
1023 (override_options): Don't allow combinations of -fstack-limit and
1025 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
1028 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
1030 (bfin_register_move_cost): Bump costs if trying to move plain
1031 integer values through accumulators.
1033 2006-11-21 Ben Elliston <bje@au.ibm.com>
1035 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
1037 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
1038 Russell Olsen <Russell_Olsen@playstation.sony.com>
1039 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
1040 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
1041 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
1042 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
1043 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1045 * config.gcc: Add target for SPU.
1046 * config/spu/constraints.md: New file.
1047 * config/spu/crt0.c: New file.
1048 * config/spu/crtend.c: New file.
1049 * config/spu/crti.asm: New file.
1050 * config/spu/crtn.asm: New file.
1051 * config/spu/float_unsdidf.c: New file.
1052 * config/spu/float_unssidf.c: New file.
1053 * config/spu/predicates.md: New file.
1054 * config/spu/spu-builtins.def: New file.
1055 * config/spu/spu-builtins.h: New file.
1056 * config/spu/spu-builtins.md: New file.
1057 * config/spu/spu-c.c: New file.
1058 * config/spu/spu-elf.h: New file.
1059 * config/spu/spu-modes.def: New file.
1060 * config/spu/spu-protos.h: New file.
1061 * config/spu/spu.c: New file.
1062 * config/spu/spu.h: New file.
1063 * config/spu/spu.md: New file.
1064 * config/spu/spu.opt: New file.
1065 * config/spu/spu_internals.h: New file.
1066 * config/spu/spu_intrinsics.h: New file.
1067 * config/spu/spu_mfcio.h: New file.
1068 * config/spu/t-spu-elf: New file.
1069 * config/spu/vec_types.h: New file.
1070 * config/spu/vmx2spu.h: New file.
1071 * doc/contrib.texi: Document SPU contributor.
1072 * doc/extend.texi: Document SPU extensions.
1073 * doc/invoke.texi: Document SPU options.
1074 * doc/md.texi: Document SPU constraints.
1076 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1078 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
1080 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
1082 (flow_loop_dump): Do not dump loop level.
1083 (flow_loops_find): Do not call flow_loops_level_compute.
1084 * cfgloop.h (struct loop): Remove level field.
1086 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1088 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
1089 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
1090 Use vector of edges instead of array.
1091 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
1092 estimate_numbers_of_iterations_loop): Ditto.
1093 * predict.c (predict_loops): Ditto.
1094 * loop-unroll.c (analyze_insns_in_loop): Ditto.
1095 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
1097 * basic-block.h: Declare heap allocation for edge vectors.
1098 * tree-outof-ssa.c: Ditto.
1099 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
1100 * cfgloop.h (get_loop_exit_edges): Declaration changed.
1102 2006-11-20 Zack Weinberg <zackw@panix.com>
1104 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
1105 Add another out parameter, "skip".
1106 (set_gc_used_type): Adjust calls to process_gc_options. If a field
1107 is tagged "skip", do not mark its type used.
1109 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1112 * tree-sra.c (single_scalar_field_in_record_p): New function.
1113 (decide_block_copy): Use it.
1115 2006-11-20 David Daney <ddaney@avtrex.com>
1117 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
1118 PC to point to following instruction.
1120 2006-11-20 Anatoly Sokolov <aesok@post.ru>
1124 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
1126 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
1128 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
1130 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1131 Add sh/superh.h to tm_file.
1133 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
1134 Mark Mitchell <mark@codesourcery.com>
1136 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
1138 (cpp_relocated): New function.
1139 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
1141 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
1142 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
1143 replace configured prefix with gcc_exec_prefix.
1145 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
1147 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
1148 bfin_legitimate_constant_p.
1149 * config/bfin/bfin.md (movsi expander): Check return value of
1151 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
1152 (expand_move): Adjust prototype.
1153 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
1154 invalid constants specially.
1155 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
1157 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
1159 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
1160 sibcall_value_symbol): Allow these patterns if
1161 TARGET_LEAF_ID_SHARED_LIBRARY.
1162 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
1163 (override_options): Turn on id shared library flags if -msep-data,
1164 but disallow the combination of these options on the command line.
1165 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
1166 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
1167 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
1168 -mid-shared-library.
1169 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
1170 * doc/invoke.texi (Blackfin Options): Document new switches.
1172 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
1173 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
1175 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
1176 inflate costs for addresses with an out-of-bounds address.
1178 2006-11-19 Andrew Pinski <pinskia@gmail.com>
1181 * fwprop.c (loops): Remove.
1182 (forward_propagate_into): Use current_loops instead of
1184 (fwprop_init): Call loop_optimizer_init instead of
1186 (fwprop_done): Call loop_optimizer_finalize instead of
1188 (fwprop): Use current_loops instead of loops.
1190 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
1193 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
1195 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1198 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
1199 larger than BITS_PER_WORD.
1201 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1205 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
1206 to MAX_FIXED_MODE_SIZE.
1208 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1210 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
1211 (fold_builtin_fmin_fmax): New.
1212 (fold_builtin_1): Use it.
1214 * fold-const.c (fold_strip_sign_ops): Handle copysign.
1216 2006-11-18 Richard Guenther <rguenther@suse.de>
1218 * config/i386/i386.c (ix86_builtins): New array for ix86
1219 builtin function decls.
1220 (def_builtin): New function.
1221 (def_builtin_const): Likewise.
1222 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
1224 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
1226 * doc/invoke.texi (core2): Add item.
1228 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
1230 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
1231 (TARGET_CPU_DEFAULT_generic): Change value.
1232 (TARGET_CPU_DEFAULT_NAMES): Add core2.
1233 (processor_type): Add new constant PROCESSOR_CORE2.
1235 * config/i386/i386.md (cpu): Add core2.
1237 * config/i386/i386.c (core2_cost): New initialized variable.
1238 (m_CORE2): New macro.
1239 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
1240 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
1241 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1242 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1243 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1244 x86_accumulate_outgoing_args, x86_prologue_using_move,
1245 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1246 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
1247 x86_use_incdec, x86_four_jump_limit, x86_schedule,
1248 x86_pad_returns): Add m_CORE2.
1249 (override_options): Add entries for Core2.
1250 (ix86_issue_rate): Add case for Core2.
1252 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
1254 * doc/invoke.texi: Fix mno-isel typo.
1256 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1258 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
1259 easy vector constant loads.
1261 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1263 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
1264 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1265 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
1266 * config/rs6000/sync.md (lwsync): Emit plain sync if
1269 2006-11-17 DJ Delorie <dj@redhat.com>
1271 * reload1.c (reloads_unique_chain): New.
1272 (reloads_conflict): Call it.
1274 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1276 * config/xtensa/predicates.md (addsubx_operand): New.
1277 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
1278 (xtensa_emit_bit_branch): New.
1279 (xtensa_emit_movcc): New.
1280 * config/xtensa/xtensa.md (any_minmax): New code macro.
1281 (minmax): New code attribute.
1282 (any_cond, any_scc, any_scc_sf): New code macros.
1283 (*addx2, *addx4, *addx8): Delete.
1285 (*subx2, *subx4, *subx8): Delete.
1287 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
1288 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
1289 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
1290 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
1291 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
1292 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
1293 (movsfcc_internal0, movsfcc_internal1): Likewise.
1294 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
1295 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
1296 (xtensa_emit_bit_branch): New.
1297 (xtensa_emit_movcc): New.
1298 (function_arg_boundary): Add missing prototype.
1300 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1302 * config/xtensa/xtensa.md (tstsi): Delete
1304 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1306 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
1308 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1310 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1312 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1314 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
1316 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1318 * tree-vrp.c (execute_vrp): Do not update current_loops.
1319 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
1320 * doc/loop.texi: Remove documentation for cancelled functions.
1321 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
1322 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
1324 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
1325 (remove_path): Ensure that in delete_basic_blocks, the loops
1326 are still allocated.
1327 (add_loop): Work on valid loop structures.
1328 (loopify): Modify call of add_loop.
1329 (mfb_update_loops): Removed.
1330 (create_preheader): Do not update loops explicitly.
1331 (force_single_succ_latches, loop_version): Do not use
1332 loop_split_edge_with.
1333 (loop_split_edge_with): Removed.
1334 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
1335 Do not use bsi_insert_on_edge_immediate_loop.
1336 (split_loop_exit_edge, tree_unroll_loop): Do not use
1337 loop_split_edge_with.
1338 (bsi_insert_on_edge_immediate_loop): Removed.
1339 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
1340 use loop_split_edge_with.
1341 * cfghooks.c: Include cfgloop.h.
1342 (verify_flow_info): Verify that loop_father is filled iff current_loops
1344 (redirect_edge_and_branch_force, split_block, delete_basic_block,
1345 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
1347 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
1349 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
1350 loop_split_edge_with.
1351 (sms_schedule): Use current_loops.
1352 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
1353 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
1355 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
1356 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
1357 * ifcvt.c (if_convert): Ditto.
1358 * predict.c (predict_loops): Do not clear current_loops.
1359 (tree_estimate_probability): Use current_loops.
1360 (propagate_freq): Receive head of the region to propagate instead of
1362 (estimate_loops_at_level): Do not use shared to_visit bitmap.
1363 (estimate_loops): New function. Handle case current_loops == NULL.
1364 (estimate_bb_frequencies): Do not allocate tovisit. Use
1366 * tree-ssa-loop.c (current_loops): Removed.
1367 (tree_loop_optimizer_init): Do not return loops.
1368 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
1369 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
1370 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
1371 Do not update loops explicitly.
1372 * function.h (struct function): Add x_current_loops field.
1373 (current_loops): New macro.
1374 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
1375 * loop-unroll.c (split_edge_and_insert): New function.
1376 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
1377 use loop_split_edge_with.
1378 * loop-doloop.c (add_test, doloop_modify): Ditto.
1379 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
1380 * cfglayout.c (copy_bbs): Do not update loops explicitly.
1381 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
1382 * tree-vect-transform.c (vect_transform_loop): Do not update loops
1384 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
1385 (flow_loops_free): Do not free dfs_order and rc_order.
1386 (flow_loops_find): Do not set dfs_order and rc_order in loops
1387 structure. Do not call loops and flow info verification.
1388 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
1389 already belongs to some loop.
1390 * cfgloop.h (struct loops): Remove struct cfg.
1391 (current_loops, loop_split_edge_with): Declaration removed.
1392 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
1393 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
1394 Declaration removed.
1395 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
1396 * basic-block.h (split_edge_and_insert): Declare.
1397 * tree-cfg.c (remove_bb): Do not update loops explicitly.
1399 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1401 PR tree-optimization/29801
1402 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
1403 (get_default_value): Use get_symbol_constant_value.
1404 (set_lattice_value): ICE when the value of the constant is
1406 (visit_assignment): Ignore VDEFs of read-only variables.
1408 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1410 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
1412 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1413 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
1415 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1417 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
1418 select subvars of var.
1420 2006-11-17 Jakub Jelinek <jakub@redhat.com>
1423 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
1424 optimize if DEF doesn't have integral type.
1426 2006-11-16 Mike Stump <mrs@apple.com>
1428 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
1429 pre-darwin9 system, unless the user asks for it directly.
1430 (PREFERRED_DEBUGGING_TYPE): Likewise.
1431 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
1432 * config.gcc: Add suppport for darwin9.h.
1433 * config/darwin9.h: Add.
1434 * doc/install.texi (Specific): Clarify darwin documentation.
1436 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1438 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
1439 optimizing for size.
1441 2006-11-16 Mike Stump <mrs@apple.com>
1443 * Makefile.in (targhooks.o): Add $(OPTABS_H).
1445 2006-11-16 Dirk Mueller <dmueller@suse.de>
1447 * tree-vrp.c (get_value_range): Use XCNEW instead
1449 (insert_range_assertions): Use XCNEWVEC instead
1450 of XNEWVEC and memset.
1451 (vrp_initialize): Same.
1452 (vrp_finalize): Same.
1453 * tree-ssa-ccp.c (ccp_initialize): Same.
1454 * predict.c (tree_bb_level_predictions): Same.
1455 * calls.c (expand_call): Same.
1456 * tree-ssa-copy.c (init_copy_prop): Same.
1457 (fini_copy_prop): Same.
1458 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
1459 of GGC_NEW and memset.
1461 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
1464 * gimplify.c (gimplify_expr): Only force a load for references to
1465 non-BLKmode volatile values.
1466 * doc/implement-c.texi (Qualifiers implementation): Document the
1467 interpretation of what a volatile access is.
1468 * doc/extend.texi (C++ Extensions): Rework same documentation.
1470 2006-11-16 Joseph Myers <joseph@codesourcery.com>
1472 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
1475 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1477 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
1479 (arm_neg_abssi2): Renamed from neg_abssi2.
1480 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
1482 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
1484 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
1485 number of arguments passed to local functions in SSE registers is 3.
1487 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
1488 number of arguments passed in SSE registers to 3.
1490 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1493 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
1495 (get_last_bb_insn): ... new global function.
1496 (basic_block.h): Declare it.
1497 * haifa-sched.c (create_recovery_block): Use it.
1499 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
1502 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
1504 2006-11-15 Paul Brook <paul@codesourcery.com>
1506 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
1507 _Unwind_GetTextRelBase): Move from here ...
1508 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
1509 _Unwind_GetTextRelBase): ... To here.
1511 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1513 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
1514 addresses we generate for testing are aligned.
1516 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
1519 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
1520 to what is the const decl is a place holder for.
1522 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1524 * config/i386/i386.opt: New target option -mx87regparm.
1526 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
1527 and float_in_x87 variables. mmx_words, sse_words: Remove.
1528 (X87_REGPARM_MAX): Define.
1530 * config/i386/i386.c (override_options): Error out for
1531 -mx87regparm but no 80387 support.
1532 (ix86_attribute_table): Add x87regparm.
1533 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1534 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1535 (ix86_function_x87regparm): New function.
1536 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1538 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1540 (function_arg_advance): Process x87_nregs and x87_regno when
1541 floating point argument is to be passed in 80387 register.
1542 (function_arg): Pass XFmode arguments in 80387 registers for local
1543 functions. Pass SFmode and DFmode arguments to local functions
1544 in 80387 registers when flag_unsafe_math_optimizations is set.
1546 * reg-stack.c (convert_regs_entry): Disable NaN load for
1547 stack registers that are used for argument passing.
1549 * doc/extend.texi: Document x87regparm function attribute.
1550 * doc/invoke.texi: Document -mx87regparm.
1552 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1554 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
1555 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
1556 arg MODE; all callers changed. Use it to determine validity per
1557 machine mode instead of using Pmode for all memory references.
1558 (get_address_cost): Likewise add and use new arg MEM_MODE.
1560 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
1561 J"orn Rennecke <joern.rennecke@st.com>
1563 * combine.c (likely_spilled_retval_1): Fix masking operation.
1564 (likely_spilled_retval_p): Use proper pattern for call to
1565 likely_spilled_retval_1.
1567 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1569 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
1571 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
1572 that tests for CONSTANT_POOL_ADDRESS_P.
1574 2006-11-15 Jakub Jelinek <jakub@redhat.com>
1576 PR tree-optimization/29581
1577 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
1578 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
1579 type is different between Y and USE, create a temporary
1580 variable, initialize it at the beginning of the body bb
1581 and use it as replacement instead of Y.
1583 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
1586 * gimplify.c (fold_indirect_ref_rhs): Use
1587 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
1589 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
1591 * expmed.c (emit_store_flag_1): New function.
1592 (emit_store_flag): Call it. If we can't find a suitable scc insn,
1594 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
1595 Use do_compare_rtx_and_jump.
1596 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
1597 * arm.md (cstoresi4): New define_expand.
1598 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
1599 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
1600 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
1602 2006-11-14 Caroline Tice <ctice@apple.com>
1604 * dwarf2out.c (debug_pubtypes_section): New static global variable.
1605 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
1607 (pubname_table): Redefine as a vector.
1608 (pubtype_table): New static global variable, defined as a vector.
1609 (pubname_table_allocated): Remove static global variable.
1610 (pubname_table_in_use): Remove static global variable.
1611 (PUBNAME_TABLE_INCREMENT): Remove constant.
1612 (size_of_pubnames): Add parameter to deal with either pubnames or
1613 pubtypes, and change code to deal with table being a vector.
1614 (add_pubname): Change to deal with table being a vector.
1615 (add_pubtype): New function.
1616 (output_pubnames): Add parameter to deal with either pubnames or
1617 pubtypes, and change code to deal with table being a vector.
1618 (gen_array_type_die): Add call to add_pubtype.
1619 (gen_enumeration_type_die): Add call to add_pubtype.
1620 (gen_struct_or_union_type_die): Add call to add_pubtype.
1621 (gen_subroutine_type_die): Add call to add_pubtype.
1622 (gen_typedef_die): Add call to add_pubtype.
1623 (dwarf2out_init): Add code to initialize pubname_table and
1624 pubtype_table vectors; also initialize debug_pubtypes_section.
1625 (prune_unused_types): Change to deal with pubnames being a vector.
1626 (dwarf2out_finish): Change to deal with pubnames being a vector; add
1627 pubnames table to call to output_pubnames; Add code to output pubtypes
1628 table if DEBUG_PUBTYPES_SECTION is defined.
1629 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
1631 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
1633 2006-11-14 Joseph Myers <joseph@codesourcery.com>
1635 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
1636 iwmmxt_nregs if TARGET_IWMMXT_ABI.
1637 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
1638 movv2si_internal): Support moves between core registers.
1640 2006-11-14 Eric Christopher <echristo@apple.com>
1642 * configure: Regenerate with autoconf 2.59.
1644 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
1646 Fix PR tree-optimization/27755
1648 * tree-ssa-pre.c: Update comments.
1649 (bb_bitmap_sets): Add pa_in and deferred member.
1650 (BB_DEFERRED): New macro.
1651 (maximal_set): New variable.
1652 (pre_stats): Add pa_insert member.
1653 (bitmap_set_and): Short circuit orig == dest.
1654 (bitmap_set_subtract_values): New function.
1655 (bitmap_set_contains_expr): Ditto.
1656 (translate_vuses_through_block): Add phiblock argument.
1657 (dependent_clean): New function.
1658 (compute_antic_aux): Update for maximal_set changes.
1659 (compute_partial_antic_aux): New function.
1660 (compute_antic): Handle partial anticipation.
1661 (do_partial_partial_insertion): New function.
1662 (insert_aux): Handle partial anticipation.
1663 (add_to_sets): Add to maximal set.
1664 (compute_avail): Ditto.
1665 (init_pre): Initialize maximal_set.
1666 (execute_pre): Do partial anticipation if -O3+.
1668 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
1670 PR rtl-optimization/29798
1672 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
1673 TARGET_INSN before any other check.
1674 (fwprop_init): Always calculate dominators.
1675 (fwprop_done): Always free them.
1677 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1679 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
1682 2006-11-13 DJ Delorie <dj@redhat.com>
1684 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
1685 temporary for intermediates.
1687 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
1689 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
1690 (sh_optimize_target_register_callee_saved): #if 0 the code
1691 using NOTE_INSN_LOOP_{BEG,END}.
1693 2006-11-13 Roger Sayle <roger@eyesopen.com>
1695 * fold-const.c (optimize_bit_field_compare): Recursively call
1696 fold when simplifying non-constant comparisons between bit-fields.
1698 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1700 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
1702 * configure: Rebuilt.
1704 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
1706 * config/rs6000/cell.md: New file.
1707 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
1709 (ppccell_cost): New cost matrix.
1710 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
1711 (rs6000_override_options): Set rs6000_always_hint to false
1712 for cell. Also align functions/lables/loops to 8byte
1713 for the Cell. Use PROCESSOR_CELL.
1714 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
1715 using_mtcr_multiple.
1716 (rs6000_variable_issue): If the insn is a nonpipelined instruction
1717 on the Cell, return 0.
1718 (rs6000_adjust_cost): Add Cell cost adjustments.
1719 (is_microcoded_insn): Return true for Cell microcoded
1721 (is_nonpipeline_insn): New function.
1722 (rs6000_issue_rate): Add PROCESSOR_CELL.
1723 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
1725 (rs6000_use_sched_lookahead_guard): New function.
1726 (rs6000_sched_reorder): Reorder the ready list, if the second
1727 to last ready insn is a nonepipeline insn on the Cell.
1728 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
1729 (ASM_CPU_SPEC): Add Cell.
1730 * config/rs6000/rs6000.md (cpu): Add Cell.
1731 (cell_micro): New Attr.
1734 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1736 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
1738 * configure: Rebuilt.
1740 2006-11-13 Richard Guenther <rguenther@suse.de>
1742 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
1744 (ix86_expand_lfloorceil): Likewise.
1745 (ix86_expand_rint): Likewise.
1746 (ix86_expand_floorceildf_32): Likewise.
1747 (ix86_expand_floorceil): Likewise.
1748 (ix86_expand_rounddf_32): Likewise.
1749 (ix86_expand_truncdf_32): Likewise.
1750 (ix86_expand_round): Likewise.
1752 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
1753 Mark Mitchell <mark@codesourcery.com>
1755 * gcc.c: Organize search path variables into $prefix relative,
1756 and well-known native. Add comments.
1757 (add_sysrooted_prefix): Add comment.
1758 (process_command): If !gcc_exec_prefix add $prefix based paths.
1759 If *cross_compile == '0', add native well-known paths.
1760 Assert tooldir_base_prefix is always relative.
1761 (main): If print_search_dirs, and if gcc_exec_prefix is set,
1762 use this value for 'install:' path.
1763 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
1765 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1767 * config/i386/i386.c: Fix a typo in comment.
1769 2006-11-13 Michael Matz <matz@suse.de>
1771 * genemit.c (gen_expand): Allocate enough memory.
1773 2006-11-13 Joseph Myers <joseph@codesourcery.com>
1775 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
1776 __GXX_TYPEINFO_EQUALITY_INLINE but not
1777 __GXX_MERGED_TYPEINFO_NAMES.
1778 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
1779 __GXX_MERGED_TYPEINFO_NAMES.
1780 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
1781 __GXX_TYPEINFO_EQUALITY_INLINE.
1783 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1784 Zdenek Dvorak <dvorakz@suse.cz>
1786 PR tree-optimization/29680
1787 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
1790 2006-11-12 Jason Merrill <jason@redhat.com>
1791 Andrew Pinski <pinskia@physics.uc.edu>
1794 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
1796 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
1798 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
1799 * tree.c (build_vector): Handle non-_CST elements.
1801 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
1803 * genemit.c (gen_insn): Call gen_exp with a non-null used
1804 when handling multiple insns.
1805 (gen_expand): Likewise.
1806 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
1807 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
1808 (movsi_const_16bit+1): Copy operands[1].
1809 (call_pcrel): Copy the call_site pattern.
1810 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
1812 2006-11-12 Roger Sayle <roger@eyesopen.com>
1814 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
1815 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
1816 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
1817 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
1819 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
1821 Fix PR tree-optimization/29587
1822 * tree-ssa-structalias.c (process_constraint): Don't
1823 mark address taken due only to escaped vars constraint.
1825 2006-11-12 Michael Matz <matz@suse.de>
1826 Roger Sayle <roger@eyesopen.com>
1828 PR rtl-optimization/29797
1829 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
1830 BITS_BIG_ENDIAN targets.
1832 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1834 * builtins.c (fold_builtin_cosh): New.
1835 (fold_builtin_1): Use it.
1836 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
1837 trunc to the list of "odd" functions. Also add llrint, lrint,
1838 rint and nearbyint when flag_rounding_math is false.
1840 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1842 * tree-flow.h (name_mappings_registered_p): Declare.
1843 * tree-into-ssa.c (name_mappings_registered_p): New function.
1844 * tree-cfg.c (tree_can_merge_blocks_p): Check
1845 name_mappings_registered_p instead of need_ssa_update_p.
1847 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1849 * tree-ssa-loop.c (tree_vectorize): Return the result of
1851 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
1852 if anything changed.
1853 * tree-vectorizer.h (vectorize_loops): Declaration removed.
1854 * tree-flow.h (vectorize_loops): Declaration changed.
1856 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1858 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
1860 (issue_prefetch_ref): Move assignment to write_p out of loop.
1861 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
1862 SIMULTANEOUS_PREFETCHES into account.
1863 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
1864 * lambda-code.c (lcm): Renamed to ...
1865 (least_common_multiple): ... and exported.
1866 * tree-flow.h (least_common_multiple): Declare.
1868 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1870 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
1871 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
1872 ud-chains. Handle AND_EXPR.
1873 (record_estimate): Record whether the estimate is realistic
1874 and whether it is derived from a loop exit.
1875 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
1876 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
1878 (compute_estimated_nb_iterations): Take only realistic bounds into
1879 account. Set estimate_state. Use double_ints.
1880 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
1881 and infer_loop_bounds_from_signedness. Do not consider basic blocks
1882 that do not have to be always executed.
1883 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
1884 to determine whether to call infer_loop_bounds_from_undefined
1885 and compute_estimated_nb_iterations.
1886 (n_of_executions_at_most): Use double_ints.
1887 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
1888 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
1889 * double-int.c (double_int_to_tree): Improve comment.
1890 (double_int_fits_to_tree_p): New function.
1891 * double-int.h (double_int_fits_to_tree_p): Declare.
1892 * tree-data-ref.c: Include langhooks.h.
1893 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
1894 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
1895 (analyze_array): Do not pass estimate_only argument to
1896 analyze_array_indexes.
1897 (get_number_of_iters_for_loop): Build tree from the stored double_int
1899 (get_references_in_stmt, find_data_references_in_stmt): New functions.
1900 (find_data_references_in_loop): Use find_data_references_in_stmt.
1901 * tree-data-ref.h (struct data_ref_loc_d): New.
1902 (get_references_in_stmt): Declare.
1903 (estimate_iters_using_array): Declaration removed.
1904 * cfgloop.h (struct nb_iter_bound): Change type of bound to
1905 double_int. Improve comments. Add is_exit and realistic
1907 (struct loop): Changed type of estimated_nb_iterations to double_int.
1908 Added estimate_state field.
1909 (record_estimate): Declaration removed.
1911 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1913 * params.c (set_param_value): Initialize the "set" field.
1914 * params.h (struct param_info): Add "set" field.
1915 (PARAM_SET_P): New macro.
1916 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
1917 L1_CACHE_LINE_SIZE): New macros.
1918 * toplev.c (DEFPARAM): Initialize the "set" field.
1919 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
1920 SIMULTANEOUS_PREFETCHES): Removed.
1921 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
1922 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
1923 * config/sparc/sparc.c: Include params.h.
1924 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
1925 L1_CACHE_LINE_SIZE parameters.
1926 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1928 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1930 * config/i386/i386.c: Include params.h.
1931 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
1932 (override_options): Set SIMULTANEOUS_PREFETCHES and
1933 L1_CACHE_LINE_SIZE parameters.
1934 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
1935 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
1936 L1_CACHE_LINE_SIZE parameters.
1937 * config/ia64/ia64.c (ia64_optimization_options): Set
1938 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
1939 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
1941 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
1942 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
1943 * doc/invoke.texi: Document new params.
1945 2006-11-12 Roger Sayle <roger@eyesopen.com>
1947 PR tree-optimization/13827
1948 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
1951 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1953 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
1954 update_single_exit_for_duplicated_loops): New functions.
1955 (duplicate_loop_to_header_edge): Use
1956 update_single_exit_for_duplicated_loops.
1957 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
1958 functions only with ENABLE_CHECKING.
1960 2006-11-12 Andreas Schwab <schwab@suse.de>
1962 * except.c (sjlj_emit_function_enter): Remove unused variable.
1964 2006-11-11 Roger Sayle <roger@eyesopen.com>
1966 * fold-const.c (int_binop_types_match_p): New function.
1967 (size_binop): Relax constraint that both arguments must both have
1968 exactly the same sizetype type. Instead use int_binop_types_match_p.
1969 (size_diffop): Likewise.
1971 (make_range): Use build_int_cst instead of fold_convert.
1972 (fold_cond_expr_with_comparison): Use build_int_cst to construct
1973 integer constants of the correct type.
1974 (fold_div_compare): Likewise.
1975 (fold_single_bit_test): Likewise.
1976 (fold_binary): Likewise.
1977 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
1978 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
1980 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1983 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
1984 non null value if the struct memory access is in the 0th
1987 2006-11-12 Jie Zhang <jie.zhang@analog.com>
1990 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1991 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1994 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
1995 instead of builtin_define for bfin and BFIN.
1997 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1999 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
2002 2006-11-11 Jan Hubicka <jh@suse.cz>
2004 * extend.texi (__builtin_expect): We no longer require second argument
2006 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
2007 * builtins.c (expand_builtin_expect): Simplify.
2008 (expand_builtin_expect_jump): Kill.
2009 * final.c (final_scan_insn): Do not skip the removed notes.
2010 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
2011 EXPECTED_VALUE): Remove.
2012 * dojump.c (do_jump): Do not care about __builtin_expect.
2013 * predict.c (expected_value_to_br_prob): Kill.
2014 * function.c (expand_function_end): Do not expand
2015 NOTE_INSN_REPEATED_LINE_NUMBER.
2016 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
2017 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
2018 * cfgexpand.c (add_reg_br_prob_note): Export.
2019 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2020 expected_value_to_br_prob.
2021 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
2022 * rtl.h (add_reg_br_prob_note): Declare.
2024 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2026 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
2028 2006-11-11 Jan Hubicka <jh@suse.cz>
2030 * predict.c (predict_loops): Kill RTL variant.
2032 2006-11-11 Jan Hubicka <jh@suse.cz>
2034 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
2035 * modulo-sched.c (find_line_note): Remove.
2036 (loop_canon_p): Do not worry about line number notes.
2037 (sms_schedule): Likewise.
2038 * cse.c (cse_main): Likewise.
2039 * regmove.c (fixup_match_1): Likewise
2040 * function.c (emit_return_info_block): Likewise.
2041 (expand_function_end): Likewise.
2042 (thread_prologue_an_epilogue_insns): Likewise.
2043 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
2045 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
2046 emit_note_copy_after): Kill.
2047 (emit_note_copy): Do not worry about line numbers.
2048 * jump.c (purge_line_number_notes): Kill.
2049 (pass_purge_lineno_notes): Kill.
2050 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
2052 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
2053 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
2054 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
2055 * tree-pass.h (pass_purge_lineno_notes): Kill.
2056 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
2057 rm_redundant_line_notes.
2058 * sched-rgb.c (schedule_region): Don't rm_line_notes,
2059 rm_redundant_line_notes.
2060 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
2061 * haifa-sched.c: Update comment about handling notes.
2062 (unlink_line_notes): Kill.
2063 (rm_line_notes): Kill.
2064 (save_line_notes): Simplify.
2065 (rm_redundant_line_notes): Kill.
2067 2006-11-11 Richard Guenther <rguenther@suse.de>
2069 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
2070 Remove unused tree codes.
2071 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
2072 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
2073 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2074 * tree.c (stabilize_reference): Likewise.
2075 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
2076 fold_unary): Likewise.
2077 * tree-gimple.c (is_gimple_cast): Likewise.
2078 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
2079 * expr.c (expand_expr_real_1): Likewise.
2080 * tree-eh.c (tree_could_trap_p): Likewise.
2081 * gimplify.c (gimplify_expr): Likewise.
2082 * tree-inline.c (estimate_num_insns_1): Likewise.
2083 * tree-cfg.c (verify_expr): Likewise.
2085 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
2087 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
2088 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
2089 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
2091 2006-11-11 Richard Sandiford <richard@codesourcery.com>
2094 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
2095 constraints accept neither registers or memories.
2097 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2099 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
2100 (NO_PROFILE_COUNTERS): Define as 1.
2102 2006-11-10 Roger Sayle <roger@eyesopen.com>
2104 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
2105 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
2107 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
2109 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
2111 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2113 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
2114 (fold_builtin_hypot): Likewise.
2115 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
2117 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
2119 2006-11-10 Roger Sayle <roger@eyesopen.com>
2121 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
2122 when attempting to build INTEGER_CSTs of non-integral types.
2123 * expmed.c (make_tree): Use the correct type, i.e. the inner
2124 type, when constructing the individual elements of a CONST_VECTOR.
2126 2006-11-10 Jan Hubicka <jh@suse.cz>
2128 * cse.c (cse_process_notes): Copy the propagated value.
2129 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
2131 * gcse.c (try_replace_reg): Copy the replacement.
2132 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
2133 (assign_386_stack_local): Always return copied memory expression
2134 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
2137 2006-11-10 Jan Hubicka <jh@suse.cz>
2139 * final.c (final): Walk from first instruction.
2140 * cfglayout.c (insn_locators_initialize): Remove line number notes.
2142 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
2145 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
2147 (umulv8hi3_highpart): Ditto.
2148 (vec_widen_smult_hi_v8hi): New expander.
2149 (vec_widen_smult_lo_v8hi): Ditto.
2151 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2154 * builtins.c (do_mpfr_arg3): New.
2155 (fold_builtin_1): Handle builtins fma, fmin and fmax.
2157 2006-11-09 Eric Christopher <echristo@apple.com>
2162 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
2163 * config.gcc (powerpc64-*-darwin*): New target.
2164 * config.host: Ditto.
2165 * config/rs6000/darwin64.h: New file.
2166 * config/rs6000/x-darwin64: Ditto.
2167 * config/rs6000/host-ppc64-darwin.c: Ditto.
2169 2006-11-09 Steve Ellcey <sje@cup.hp.com>
2171 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
2172 routines for integer division.
2174 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
2176 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
2178 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
2181 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
2183 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
2185 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
2186 simplify_subreg with BLKmode outer mode.
2188 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
2190 * doc/invoke.texi: Minor formatting fixes in option lists.
2192 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
2194 PR tree-optimization/29738
2195 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
2196 (ccp_lattice_t): Remove UNKNOWN_VAL.
2197 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
2198 Do not handle UNKNOWN_VAL.
2199 (get_default_value): Set initial value of virtual operands to
2201 (get_value): Always use get_default_value on uninitialized
2203 (set_value_varying, surely_varying_stmt_p): New functions.
2204 (set_lattice_value): Do not pass argument to get_value.
2205 Do not handle UNKNOWN_VAL.
2206 (likely_value): Follow the semantics described in the comment.
2207 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
2208 phi nodes DONT_SIMULATE_AGAIN.
2209 (ccp_fold): Do not pass argument to get_value.
2210 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
2213 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
2215 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2216 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
2218 2006-11-08 Roger Sayle <roger@eyesopen.com>
2220 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
2221 test for inclusion rather than as a test for exclusion.
2222 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
2223 the condition after calling fold_binary.
2224 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
2225 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
2226 * builtins.c (fold_builtin_isascii): Likewise.
2227 (fold_builtin_isdigit): Likewise.
2229 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
2231 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
2232 * configure: Regenerate.
2234 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2236 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
2237 enum argument instead of bool.
2238 (vect_analyze_operations): Call vectorizable_type_promotion.
2239 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
2240 stmt_vec_info_type value.
2241 (supportable_widening_operation, vectorizable_type_promotion): New
2242 function declarations.
2243 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
2244 (vectorizable_type_promotion): New function.
2245 (vect_transform_stmt): Call vectorizable_type_promotion.
2246 * tree-vect-analyze.c (supportable_widening_operation): New function.
2247 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
2249 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2252 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
2253 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
2254 * tree-inline.c (estimate_num_insns_1): Add cases for above new
2256 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2257 * expr.c (expand_expr_real_1): Likewise.
2258 * optabs.c (optab_for_tree_code): Likewise.
2259 (init_optabs): Initialize new optabs.
2260 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
2261 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
2262 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
2263 vec_unpacku_lo_optab): Initialize new optabs.
2264 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
2265 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
2266 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
2268 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
2269 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
2270 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
2271 (vec_unpacku_lo_optab): New optabs.
2272 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
2273 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
2274 (vec_widen_smult_hi, vec_widen_smult_lo): New.
2275 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
2276 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
2277 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
2279 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
2280 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
2281 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
2282 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
2283 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
2284 implement the unsigned unpacking patterns.
2285 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
2286 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
2287 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
2288 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
2289 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
2290 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
2291 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
2292 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
2293 multiplication patterns.
2295 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
2296 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
2297 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2298 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
2299 (rs6000_builtin_mul_widen_odd): New.
2300 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
2301 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
2302 * tree-vectorizer.h (enum vect_relevant): New enum type.
2303 (_stmt_vec_info): Field relevant chaned from bool to enum
2305 (STMT_VINFO_RELEVANT_P): Updated.
2306 (STMT_VINFO_RELEVANT): New.
2307 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
2308 instead of STMT_VINFO_RELEVANT_P.
2309 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
2310 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
2311 and boolean variable with enum vect_relevant.
2312 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
2313 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
2314 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2316 2006-11-08 Richard Henderson <rth@redhat.com>
2318 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
2319 vec_widen_umult_lo_v8hi): New.
2320 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
2321 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
2323 * config/i386/i386.c (ix86_expand_sse_unpack): New.
2324 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
2325 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
2326 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
2327 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
2328 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
2329 vec_unpacks_lo_v4si): New.
2331 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2333 * tree-vect-transform.c (vectorizable_type_demotion): New function.
2334 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
2335 (vect_analyze_operations): Call vectorizable_type_demotion.
2336 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
2337 stmt_vec_info_type value.
2338 (vectorizable_type_demotion): New function declaration.
2339 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2342 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
2343 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
2345 * tree-iniline.c (estimate_num_insns_1): Likewise.
2346 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2347 * optabs.c (optab_for_tree_code): Likewise.
2349 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
2350 compared against the predicate of the result is not 'mode' (the input
2351 to the function) but a mode with half the size of 'mode'.
2352 (init_optab): Initialize new optabs.
2353 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
2355 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
2357 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
2358 (vec_pack_usat_optab): Initialize new optabs.
2359 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
2360 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
2362 2006-11-08 Richard Henderson <rth@redehat.com>
2364 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
2365 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
2366 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
2367 (vec_interleave_highv4si, vec_interleave_lowv4si):
2368 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
2370 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2372 * tree-vect-transform.c (vectorizable_reduction): Support multiple
2374 (vect_transform_stmt): Removed redundant code.
2376 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2378 * tree-vect-transform.c (vectorizable_operation): Support multiple
2381 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2383 * tree-vect-transform.c (vect_align_data_ref): Removed.
2384 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
2385 Updated function documentation. Return the increment stmt in ptr_incr.
2386 (bump_vector_ptr): New function.
2387 (vect_get_vec_def_for_stmt_copy): New function.
2388 (vect_finish_stmt_generation): Create a stmt_info to newly created
2390 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
2392 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
2393 VF is greater than the number of elements that can fit in one vector
2395 (vectorizable_operation, vectorizable_condition): Likewise.
2396 (vectorizable_store, vectorizable_load): Support the case that the VF
2397 is greater than the number of elements that can fit in one vector word.
2398 (vect_transform_loop): Don't fail in case of multiple data-types.
2399 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
2400 in case of multiple data-types; the smallest type determines the VF.
2401 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
2402 if they are of different sizes.
2403 (vect_update_misalignment_for_peel): Compare misalignments in terms of
2404 number of elements rather than number of bytes.
2405 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
2406 (vect_can_advance_ivs_p): Fix a dump printout
2408 2006-11-07 Eric Christopher <echristo@apple.com>
2410 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
2411 (__bswapsi2): Ditto.
2412 * libgcc2.h: Remove transformation of bswap routines.
2413 * config/i386/i386.md (bswapsi2): New.
2416 2006-11-07 Jakub Jelinek <jakub@redhat.com>
2418 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
2419 (handle_gnu_inline_attribute): New function.
2420 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
2421 (merge_decls, start_decl, start_function): Likewise.
2422 * doc/extend.texi: Document gnu_inline attribute.
2424 2006-11-07 Steve Ellcey <sje@cup.hp.com>
2427 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
2428 _fixunstfdi, and _floatditf
2430 2006-11-06 Anatoly Sokolov <aesok@post.ru>
2432 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
2434 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
2435 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
2436 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
2437 which start in an odd register.
2439 2006-11-07 Richard Sandiford <richard@codesourcery.com>
2441 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
2443 2006-11-07 Josh Conner <jconner@apple.com>
2445 * doc/invoke.texi (fstrict-aliasing): Move implementation
2447 * doc/tree-ssa.texi (Alias analysis): ...here.
2449 2006-11-07 Richard Guenther <rguenther@suse.de>
2451 PR tree-optimization/29610
2452 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
2453 of tree_purge_dead_eh_edges as it may free dominators.
2455 * g++.dg/other/pr29610.C: New testcase.
2457 2006-11-07 David Ung <davidu@mips.com>
2459 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
2460 costs when optimizing for size.
2461 (override_options): Use mips_rtx_cost_optimize_size table for cost
2464 2006-11-07 Jie Zhang <jie.zhang@analog.com>
2466 * gcc.c (process_command): Treat -b as normal switch if its argument
2469 2006-11-07 David Ung <davidu@mips.com>
2471 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
2474 2006-11-06 Eric Christopher <echristo@apple.com>
2476 * config.gcc: Add x86_64-darwin host support.
2477 * config.host: Ditto.
2478 * config/i386/darwin64.h: New file.
2479 * config/i386/t-darwin64: Ditto.
2481 2006-11-06 Janis Johnson <janis187@us.ibm.com>
2483 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
2484 and output-exists-not.
2486 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2489 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
2490 checking for overflow.
2492 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
2494 * configure.ac: Fixed typo in case statement: :: changed to ;;
2496 2006-11-06 Bob Wilson <bob.wilson@acm.org>
2498 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
2499 count_leading_zeros, and count_trailing_zeros.
2500 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
2501 (TARGET_FOLD_BUILTIN): Define.
2502 (TARGET_EXPAND_BUILTIN): Define.
2503 (xtensa_init_builtins): New.
2504 (xtensa_fold_builtin): New.
2505 (xtensa_expand_builtin): New.
2506 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
2507 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
2508 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
2509 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
2510 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
2511 (any_extend): New code macro.
2512 (u, su): New code attributes.
2513 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
2514 (nsau): Remove; replaced by clzsi2.
2515 (ffssi2): Use clzsi2.
2516 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
2517 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
2518 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
2519 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
2520 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
2522 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
2524 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
2526 * config/arm/t-strongarm-elf: Likewise.
2527 * config/arm/t-pe: Likewise.
2528 * config/arm/t-arm-elf: Likewise.
2529 * config/arm/t-xscale-elf: Likewise.
2530 * config/arm/t-arm-coff: Likewise.
2531 * config/arm/t-xscale-coff: Likewise.
2532 * config/arm/t-wince-pe: Likewise.
2534 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
2536 * config/sh/lib1funcs-4-300.asm: Guard entire file with
2539 2006-11-05 Jakub Jelinek <jakub@redhat.com>
2542 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
2545 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2548 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
2549 as a valid 80387 constant.
2550 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
2551 * config/i386/i386.md (unnamed splitter): Split the load of
2552 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
2555 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
2557 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
2558 from the soft-frame, argument and virtual registers.
2560 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2562 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
2563 patterns for standard 80387 constants.
2565 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
2566 Steven Bosscher <steven@gcc.gnu.org>
2568 * fwprop.c: New file.
2569 * Makefile.in: Add fwprop.o.
2570 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
2571 * passes.c (init_optimization_passes): Schedule forward propagation.
2572 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
2574 * timevar.def (TV_FWPROP): New.
2575 * common.opt (-fforward-propagate): New.
2576 * opts.c (decode_options): Enable forward propagation at -O2.
2577 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
2578 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
2579 canon_for_address, table_size): Remove.
2580 (new_basic_block, insert, remove_from_table): Remove references to
2582 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
2583 simplification loop more straightforward by not calling fold_rtx
2585 (equiv_constant): Move here a small part of fold_rtx_subreg,
2586 do not call fold_rtx. Call avoid_constant_pool_reference
2588 * recog.h (canonicalize_change_group): New.
2590 * doc/invoke.texi (Optimization Options): Document fwprop.
2591 * doc/passes.texi (RTL passes): Document fwprop.
2593 2006-11-03 Geoffrey Keating <geoffk@apple.com>
2595 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
2596 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
2597 (grokdeclarator): Likewise.
2599 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
2601 * tree-dump.c (dump_enable_all): Rename local variable
2602 ir_type to avoid name conflicts.
2603 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
2604 instead of using ir_type().
2605 * profile.c (tree_register_profile_hooks): Likewise.
2606 * value-prof.c (tree_register_value_prof_hooks): Likewise.
2607 * basic-block.h (struct edge_def): Likewise.
2608 * config/arm/arm.c (legitimize_pic_address): Likewise.
2609 * coretypes.h (ir_type): New enum of all intermediate languages
2611 * cfghooks.c (ir_type): Rename to...
2612 (current_ir_type): ...this. Distinguish between cfgrtl and
2613 cfglayout mode when the current IR is RTL. Return enum ir_type.
2614 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
2616 2006-11-03 Paul Brook <paul@codesourcery.com>
2618 * config/arm/arm.c (arm_file_start): New function.
2619 (TARGET_ASM_FILE_START): Define.
2620 (arm_default_cpu): New variable.
2621 (arm_override_options): Set arm_default_cpu.
2623 2006-11-03 David Ung <davidu@mips.com>
2625 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
2626 PROCESSOR_24KC and PROCESSOR_24KF.
2627 * config/mips/mips.c (mips_cpu_info_table): Add processor names
2628 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
2629 (mips_rtx_cost_data): Add costs for the 24kc.
2630 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
2631 * config/mips/24k.md: Remove references to 24k and replace with
2632 uses of 24kc/24kf in the appropriate reservations.
2633 * doc/invoke.texi (MIPS Options): Updated.
2635 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2637 * config/sh/crt1.asm: Fix #ifdef indent.
2639 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2640 Merged from STMicroelectronics sources:
2641 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
2642 * config/sh/crt1.asm (vbr_600): Add missing #if.
2643 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
2644 * sh.opt (mfused-madd): New option.
2645 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
2646 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2647 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
2648 Remove pointless handler at VBR+0.
2649 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
2650 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
2651 fr7. Make sure the timer handler is called with the correct FPU
2652 precision setting, according to the ABI.
2653 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
2654 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
2655 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
2656 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
2657 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
2658 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
2659 zero as second operand.
2660 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
2661 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2662 Fixed some bugs related to negative values, in particular -0
2663 and overflow at -0x80000000.
2664 * config/sh/divcost-analysis: Added sh4-300 figures.
2665 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
2666 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
2667 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
2668 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
2669 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
2670 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2672 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
2674 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
2675 SH4-300 scheduling description & fixes to SH4-[12]00 description:
2676 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
2677 mac_mem, mem_mac, dfp_mul, fp_cmp.
2678 (insn_class, dfp_comp, any_fp_comp): Update.
2679 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
2680 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
2681 (muldf3_i): Likewise.
2682 (movsi_i): Split rI08 alternative into two separate alternatives.
2684 (movsi_ie, movsi_i_lowpart): Likewise.
2685 (movqi_i): Split ri alternative into two separate alternatives.
2687 * sh1.md (sh1_load_store, sh1_fp): Update.
2688 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
2689 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
2690 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
2691 (sh4a_fp_double_arith): Likewise.
2692 * sh4-300.md: New file.
2693 * sh.c (sh_handle_option): Handle m4-300* options.
2694 (sh_adjust_cost): Fix latency of auto-increments.
2695 Handle SH4-300 differently than other SH4s. Check for new insn types.
2696 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
2697 been set by an option.
2698 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
2699 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
2700 (mbranch-cost=): Likewise.
2701 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
2703 * sh.md (mulsf3): Remove special expansion code.
2704 (mulsf3_ie): Now a define_insn_and_split.
2705 (macsf3): Allow for TARGET_SH4.
2707 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
2708 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
2709 (expand_cbranchdi4): Likewise.
2710 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
2711 CONST_DOUBLE if the outer code is COMPARE.
2712 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
2713 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
2714 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
2715 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
2716 Remove redundant fp_{zero,one}_operand checks.
2717 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
2718 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
2719 (expand_cbranchdi4): Likewise.
2720 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
2721 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
2723 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
2725 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
2728 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
2730 * doc/invoke.texi: Fix mfp-trap-mode typo.
2732 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
2734 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
2735 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
2736 file_end_indicate_exec_stack.
2737 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
2739 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
2740 for a non-executable stack.
2741 * crti.asm: Likewise.
2742 * crtn.asm: Likewise.
2743 * libunwind.S: Likewise.
2745 2006-11-02 Ben Elliston <bje@au.ibm.com>
2747 * tree-ssa.c (warn_uninit): Use expand_location variables for
2748 locus and declaration locus.
2750 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
2753 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
2754 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
2755 cmp{eq,gt,gtu}{si,di}_media.
2756 (*cmpne0si_media): Remove.
2757 (*movsicc_umin): Adjust gen_cmp*_media call.
2758 (unordered): Change the mode of unordered and operands[1] to
2760 (seq): Adjust gen_cmp*_media calls. Make the mode of
2761 a temporary result of compare SImode if needed. If the mode
2762 of operands[0] is DImode, extend the temporary result to DImode.
2763 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
2764 (sunorderd): Change the mode of match_operand and unorderd to
2766 (cmpeq{sf,df}_media): Remove.
2767 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
2768 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
2769 and compare operation to SImode.
2771 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
2773 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
2775 (sparc64-sun-solaris2*): Likewise.
2777 2006-11-02 Paul Brook <paul@codesourcery.com>
2779 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
2780 from priority argument. Use different section for non-default
2782 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
2784 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
2787 * except.c (switch_to_exception_section): Do not cache the section
2788 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2789 and flag_function_sections is set.
2791 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2794 * builtins.c (do_mpfr_sincos): New.
2795 (fold_builtin_1): Use it to fold builtin sincos.
2797 2006-11-01 Roger Sayle <roger@eyesopen.com>
2799 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
2800 it into -D_REENTRANT.
2802 2006-11-01 Roger Sayle <roger@eyesopen.com>
2804 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
2805 whether the assembler supports taking the difference of symbols in
2806 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
2807 * configure: Regenerate.
2808 * config.in: Regenerate.
2809 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
2810 the assembler doesn't support taking the difference of symbols in
2811 different sections, i.e. we're using the native solaris assembler.
2813 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
2814 Peter Bergner <bergner@vnet.ibm.com>
2816 * doc/invoke.texi: Add cpu_type power6x
2817 (RS/6000 and PowerPC Options): Add -mmfpgpr.
2818 * config.gcc: Add cpu_type power6x.
2819 * configure.ac: Add test for mf{t,f}gpr instructions.
2820 (HAVE_AS_MFPGPR): New.
2821 * config.in: Regenerate.
2822 * configure: Regenerate.
2823 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
2824 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
2825 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
2826 and mftgpr attributes.
2827 (define_attr "cpu"): Add power6.
2828 Change instruction sequences to use new attributes.
2829 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
2830 (fix_truncdfsi2_mfpgpr): New.
2831 (floatsidf_ppc64_mfpgpr): New.
2832 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
2833 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
2834 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
2835 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
2836 (fix_truncdfsi2): Use gpc_reg_operand constraint.
2837 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
2838 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
2839 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
2840 cntlz,exts and var_delayed_compare.
2841 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2842 _ARCH_PWR6X, if features enabled.
2843 * config/rs6000/rs6000.opt (mmfpgpr): New.
2844 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
2845 (cached_can_issue_more): New variable.
2846 (processor_costs): Add power6_cost.
2847 (rs6000_sched_init): New function.
2848 (is_dispatch_slot_restricted): Deleted.
2849 (set_to_load_agen): New function.
2850 (is_load_insn,is_store_insn): New functions.
2851 (adjacent_mem_locations): New function.
2852 (insn_must_be_first_in_group): New function.
2853 (insn_must_be_last_in_group): New function.
2854 (rs6000_sched_reorder): New function.
2855 (rs6000_sched_reorder2): New function.
2856 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
2857 TARGET_SCHED_REORDER2): Define.
2858 (processor_target_table): Use PROCESSOR_POWER6 for power6.
2859 Add power6x. Add MASK_MFPGPR for power6x.
2860 (POWERPC_MASKS): Add MASK_MFPGPR.
2861 (rs6000_override_options): Set rs6000_always_hint to false
2862 for power6. Set rs6000_align_branch_targets. Replace
2863 rs6000_sched_groups check with rs6000_align_branch_targets.
2864 Use PROCESSOR_POWER6.
2865 (last_scheduled_insn): New variable.
2866 (load_store_pendulum): New variable.
2867 (rs6000_variable_issue): Set last_scheduled_insn and
2868 cached_can_issue_more.
2869 (rs6000_adjust_cost): Add power6 cost adjustments.
2870 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
2871 with insn_must_be_first_in_group. Add power6 priority adjustments.
2872 (rs6000_issue_rate): Add CPU_POWER6.
2873 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
2874 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
2875 (TARGET_MFPGPR): New.
2876 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
2877 (ASM_CPU_SPEC): Add power6x.
2878 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
2880 * config/rs6000/power6.md: New file.
2882 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
2884 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2885 HOST_WIDE_INT_PRINT to print high and low parts. Use
2886 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
2887 printing a hexadecimal number prefix it with 0x.
2889 2006-11-01 Chris Johns <chris@contemporary.net.au>
2892 * Makefile.in (install-driver): Use exeext when installing
2893 $target-gcc-$version.
2895 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
2897 * c-common.c (flag_cpp0x): New.
2898 * c-common.h (flag_cpp0x): New.
2899 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
2900 supported, define __GXX_EXPERIMENTAL_CPP0X__.
2901 * c-opts.c (set_std_cxx0x): New.
2902 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
2903 * c.opt (std=c++0x): Document.
2904 (std=gnu++0x): Ditto.
2905 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
2906 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
2908 2006-11-01 Richard Guenther <rguenther@suse.de>
2910 * config/i386/i386.c (ix86_expand_rint): Fix issues with
2912 (ix86_expand_floorceildf_32): Likewise.
2913 (ix86_expand_floorceil): Likewise.
2914 (ix86_expand_trunc): Likewise.
2916 2006-10-31 Andrew Pinski <pinskia@gmail.com>
2918 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
2921 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
2923 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
2925 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
2927 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
2929 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
2930 * configure.ac (use_cxa_atexit): As a special case, don't test
2931 for libc definition of __cxa_atexit on mingw32
2932 * configure: Regenerate.
2933 * config.gcc (i[34567]86-pc-mingw32): Default to
2934 enable__cxa_atexit=yes.
2936 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2938 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
2940 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2943 * c-decl.c (start_struct): Don't create self-containing
2945 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2947 * config/rs6000/rs6000-protos.h
2948 (darwin_rs6000_special_round_type_align): New.
2949 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
2950 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
2952 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2954 * toplev.c (compile_file): Call final_write_globals
2955 even if there have been errors.
2957 2006-10-31 Eric Christopher <echristo@apple.com>
2958 Falk Hueffner <falk@debian.org>
2960 * doc/extend.texi (__builtin_bswap32): Document.
2961 (__builtin_bswap64): Ditto.
2962 * doc/libgcc.texi (bswapsi2): Document.
2964 * doc/rtl.texi (bswap): Document.
2965 * optabs.c (expand_unop): Don't widen a bswap.
2966 (init_optabs): Init bswap. Set libfuncs explicitly
2967 for bswapsi2 and bswapdi2.
2968 * optabs.h (OTI_bswap): New.
2969 (bswap_optab): Ditto.
2970 * genopinit.c (optabs): Handle bswap_optab.
2971 * tree.h (tree_index): Add TI_UINT32_TYPE and
2973 (uint32_type_node): New.
2974 (uint64_type_node): Ditto.
2975 * tree.c (build_common_tree_nodes_2): Initialize
2976 uint32_type_node and uint64_type_node.
2977 * builtins.c (expand_builtin_bswap): New.
2978 (expand_builtin): Call.
2979 (fold_builtin_bswap): New.
2980 (fold_builtin_1): Call.
2981 * fold-const.c (tree_expr_nonnegative_p): Return true
2983 * builtin-types.def (BT_UINT32): New.
2985 (BT_FN_UINT32_UINT32): Ditto.
2986 (BT_FN_UINT64_UINT64): Ditto.
2987 * builtins.def (BUILT_IN_BSWAP32): New.
2988 (BUILT_IN_BSWAP64): Ditto.
2989 * rtl.def (BSWAP): New.
2990 * genattrtab.c (check_attr_value): New.
2991 * libgcc2.c (__bswapSI2): New.
2992 (__bswapDI2): Ditto.
2993 * libgcc2.h (__bswapSI2): Declare.
2994 (__bswapDI2): Ditto.
2995 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
2996 * simplify-rtx.c (simplify_const_unary_operation): Return
2998 * libgcc-std.ver (__bwapsi2): Add.
2999 (__bswapdi2): Ditto.
3000 * reload1.c (eliminate_regs_1): Add bswap.
3001 (elimination_effects): Ditto.
3002 * config/i386/i386.h (x86_bswap): New.
3003 (TARGET_BSWAP): Use.
3004 * config/i386/i386.c (x86_bswap): Set.
3006 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3008 * coverage.c (coverage_checksum_string): Update comment.
3009 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
3010 of get_file_function_name.
3011 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
3012 of get_file_function_name_long.
3013 * tree.c (get_file_function_name): Rename from
3014 get_file_function_name_long; improve comment; handle 'I' and 'D'
3015 specially when the target has ctor/dtor support; remove special
3017 (get_file_function_name): Remove.
3018 * tree.h (get_file_function_name): Rename from
3019 get_file_function_name_long.
3020 (get_file_function_name): Remove prototype.
3022 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3024 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
3025 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
3027 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
3028 Call dsymutil when compiling and linking one or more source files
3031 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3034 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
3036 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3038 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
3039 inline static functions in c99 mode.
3042 * doc/extend.texi (Inline): Update.
3043 * c-tree.h (struct language_function): Remove field 'extern_inline'.
3044 * c-decl.c (current_extern_inline): Delete.
3045 (pop_scope): Adjust test for an undefined nested function.
3046 Add warning about undeclared inline function.
3047 (diagnose_mismatched_decls): Update comments. Disallow overriding
3048 of inline functions in a translation unit in C99. Allow inline
3049 declarations in C99 at any time.
3050 (merge_decls): Boolize variables. Handle C99 'extern inline'
3052 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
3053 C99 inline semantics.
3054 (start_function): Don't clear current_extern_inline. Don't set
3056 (c_push_function_context): Don't push current_extern_inline.
3057 (c_pop_function_context): Don't restore current_extern_inline.
3060 * c-typeck.c (build_external_ref): Warn about static variables
3061 used in extern inline functions.
3062 * c-decl.c (start_decl): Warn about static variables declared
3063 in extern inline functions.
3065 2006-10-31 Roger Sayle <roger@eyesopen.com>
3068 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
3069 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
3070 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
3071 or y is an even integer.
3073 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
3076 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
3077 * gthr-posix95.h (__gthread_active_p): Likewise.
3079 2006-10-31 Richard Guenther <rguenther@suse.de>
3081 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
3082 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
3083 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
3084 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
3085 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
3086 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
3087 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
3088 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
3091 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
3093 * opts.c (decode_options): Disable CSE skip blocks.
3095 2006-10-30 Dirk Mueller <dmueller@suse.de>
3097 * c-common.h (strict_aliasing_warning): Fix whitespace.
3098 * c-decl (start_function): Move code for main decl warning ..
3099 * c-common.c (check_main_parameter_types): .. here.
3100 * c-common.h (check_main_parameter_types): Declare.
3102 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3105 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
3107 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
3109 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
3110 be a PARALLEL containing sets. Return false when out_pat is not
3113 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3115 * config/mips/mips.md (mul<mode>3): Split into...
3116 (mulsi3, muldi3): ...these separate patterns.
3118 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3120 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
3121 but with each set of options separated by spaces.
3123 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
3125 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
3126 dwarf_reg_size_table has been initialized.
3128 2006-10-30 Roger Sayle <roger@eyesopen.com>
3130 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
3131 * ddg.c (print_ddg_edge): Likewise.
3132 * dwarf2out.c (prune_unused_types_walk): Likewise.
3133 * ifcvt.c (noce_try_cmove_arith): Likewise.
3134 * langhooks.c (add_builtin_function): Likewise.
3135 * reg-stack.c (subst_stack_regs_pat): Likewise.
3136 * tree.c (expanded_location): Likewise.
3137 * tree-dump.c (dequeue_and_dump): Likewise.
3139 2006-10-30 David Daney <ddaney@avtrex.com>
3141 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
3143 2006-10-30 Jakub Jelinek <jakub@redhat.com>
3145 PR tree-optimization/29637
3146 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
3147 of the innertype is the innertype itself.
3149 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
3151 * dwarf2out.c (file_name_acquire): Correct typo.
3153 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
3155 * tree.h (tree_value_handle): Remove struct value_set declaration.
3156 Change value_set to bitmap_set.
3157 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
3158 * tree-vn.c (get_value_handle): Made inline and moved to
3160 * tree-flow-inline.h: (has_stmt_ann): New function.
3161 * tree-ssa-pre.c (expressions): New variable.
3162 (next_expression_id): Ditto.
3163 (alloc_expression_id): New function.
3164 (struct value_set): Remove.
3165 (get_expression_id): New function.
3166 (get_or_alloc_expression_id): Ditto.
3167 (expression_for_id): Ditto.
3168 (clear_expression_ids): Ditto.
3169 (FOR_EACH_EXPR_ID_IN_SET): New macro.
3170 (bb_value_sets): Renamed to bb_bitmap_sets.
3171 All value sets replaced with bitmap_sets.
3173 (BB_VISITED): New macro.
3174 (postorder): New variable.
3175 (add_to_value): Removed.
3176 (value_exists_in_set_bitmap): Ditto.
3177 (value_insert_into_set_bitmap): Ditto.
3180 (set_remove): Ditto.
3181 (set_contains_value): Ditto.
3182 (insert_into_set): Ditto.
3184 (find_leader): Ditto.
3185 (bitmap_set_subtract_from_value_set): Ditto.
3186 (value_insert_into_set): Ditto.
3187 (print_value_set): Ditto.
3188 (debug_value_set): Ditto.
3189 (constant_expr_p): New function.
3190 (bitmap_remove_from_set): Ditto.
3191 (bitmap_insert_into_set): Ditto.
3192 (bitmap_set_free): Ditto.
3193 (vh_compare): Ditto.
3194 (sorted_array_from_bitmap_set): Ditto.
3195 (bitmap_set_subtract): Ditto.
3196 (bitmap_set_equal): Ditto.
3197 (debug_bitmap_set): Ditto.
3198 (find_leader_in_sets): Ditto.
3199 (bitmap_set_replace_value): Modify for bitmapped sets.
3200 (phi_translate): Ditto.
3201 (phi_translate_set): Ditto.
3202 (bitmap_find_leader): Ditto.
3203 (valid_in_sets): Ditto.
3204 (union_contains_value): Ditto.
3206 (compute_antic_aux): Ditto. Mark changed blocks.
3207 (compute_antic): Ditto. Iterate in postorder and only over
3209 (compute_rvuse_and_antic_safe): Reuse postorder.
3210 (create_component_ref_by_pieces): Modify for bitmapped sets.
3211 (find_or_generate_expression): Ditto.
3212 (create_expression_by_pieces): Ditto.
3213 (insert_into_preds_of_block): Ditto.
3214 (changed_blocks): New variable.
3215 (do_regular_insertion): Broken out from insert_aux.
3216 (insert_aux): Modified for bitmapped sets.
3217 (find_existing_value_expr): New function.
3218 (create_value_expr_from): Use it.
3219 (insert_extra_phis): Removed.
3220 (print_bitmap_set): Renamed from bitmap_print_value_set.
3221 (compute_avail): Handle RETURN_EXPR.
3222 (init_pre): Modify for bitmapped sets.
3223 * tree-flow.h (has_stmt_ann): New function.
3225 2006-10-29 Roger Sayle <roger@eyesopen.com>
3227 * builtins.c (fold_builtin_floor): Check for the availability of
3228 the C99 trunc function before transforming floor into trunc.
3230 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3232 * builtins.c (fold_builtin_hypot): Rearrange recursive
3233 transformation before others, and also do ABS_EXPR. When
3234 necessary, check flag_unsafe_math_optimizations. When necessary,
3237 2006-10-29 Roger Sayle <roger@eyesopen.com>
3239 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
3240 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
3241 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
3242 Fold -X eq/ne -Y as X eq/ne Y.
3244 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3246 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
3247 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
3248 rather than GENERATE_MULT3_SI in the various define_peephole2s.
3249 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
3250 Use an inclusive test for "mult" rather than "mul".
3251 (rotr<mode>3): Depend on ISA_HAS_ROR.
3252 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
3254 (GENERATE_MULT3_DI): Delete.
3255 (ISA_HAS_64BIT_REGS): Use consistent formatting.
3256 (ISA_HAS_MUL3): New macro.
3257 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
3258 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
3259 (ISA_HAS_CLZ_CLO): Likewise.
3260 (ISA_HAS_DCLZ_DCLO): Delete.
3261 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
3262 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
3263 the VR4120 and VR4130.
3264 (ISA_HAS_MACCHI): Use consistent formatting.
3265 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
3266 (ISA_HAS_ROR): ...this new macro.
3267 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
3268 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
3269 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
3271 2006-10-29 Roger Sayle <roger@eyesopen.com>
3273 PR tree-optimization/15458
3274 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
3277 2006-10-29 Richard Guenther <rguenther@suse.de>
3279 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
3280 (ix86_expand_truncdf_32): Likewise.
3281 * config/i386/i386.c (ix86_expand_trunc): New function expanding
3282 trunc inline for SSE math and -fno-trapping-math and if not
3283 optimizing for size.
3284 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
3285 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
3286 for expanding btrunc inline for SSE math.
3288 2006-10-29 Joseph Myers <joseph@codesourcery.com>
3290 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
3291 Handle tuning for bi-arch i[34567]86-*-linux* like that for
3292 i[34567]86-*-solaris2.1[0-9]*.
3293 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
3294 Define conditionally depending on TARGET_64BIT_DEFAULT.
3295 (SPEC_32, SPEC_64): Define.
3296 (LINK_SPEC): Use them.
3297 * doc/install.texi (--enable-targets=all): Document for x86-linux.
3299 2006-10-29 Richard Guenther <rguenther@suse.de>
3301 * config/i386/i386-protos.h (ix86_expand_round): Declare.
3302 (ix86_expand_rounddf_32): Likewise.
3303 * config/i386/i386.c (ix86_expand_round): New function expanding
3304 round inline for SSE math and -fno-trapping-math and if not
3305 optimizing for size.
3306 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
3307 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
3308 round via ix86_expand_round.
3310 2006-10-29 Richard Guenther <rguenther@suse.de>
3312 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
3313 (ix86_expand_floorceildf_32): Likewise.
3314 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
3315 static helper function.
3316 (ix86_expand_floorceil): Expander for floor and ceil to SSE
3318 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
3319 * config/i386/i386.md (floordf2): Adjust to enable floor
3320 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
3321 -fno-trapping-math is enabled and if not optimizing for size.
3322 (floorsf2, ceildf2, ceilsf2): Likewise.
3323 * config/i386/sse.md (sse_maskcmpsf3): New insn.
3324 (sse2_maskcmpdf3): Likewise.
3326 2006-10-29 Richard Guenther <rguenther@suse.de>
3328 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
3329 rint in case -fno-trapping-math is enabled.
3330 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
3331 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
3332 (ix86_expand_sse_fabs): Likewise.
3333 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
3334 * config/i386/i386.md (rintdf2): Enable for SSE math if
3335 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
3336 (rintsf2): Likewise.
3338 2006-10-29 Richard Guenther <rguenther@suse.de>
3340 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
3341 to conversion optabs.
3342 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
3343 as conversion optab.
3344 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
3345 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
3346 (lfloor_optab, lceil_optab): Adjust defines.
3347 * builtins.c (expand_builtin_int_roundingfn): Adjust for
3348 lfloor and lceil optabs now being conversion optabs.
3349 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
3350 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
3351 New static helper function.
3352 (ix86_expand_lfloorceil): New function to expand lfloor and
3354 * config/i386/i386.md (lfloor<mode>2): Split into ...
3355 (lfloorxf<mode>2): ... x87 variant
3356 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
3357 using ix86_expand_lfloorceil.
3358 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
3360 * doc/md.texi (lfloorMN, lceilMN): Document.
3362 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3364 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
3365 -mno-shared assembler option on mips targets.
3366 * configure, config.in: Regenerate.
3367 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
3368 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
3369 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
3371 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3373 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
3374 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
3376 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
3378 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
3379 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
3382 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3385 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
3386 (fold_builtin_pow): Evaluate constant arguments at compile-time
3388 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
3389 (do_mpfr_ckconv): New helper function.
3390 (do_mpfr_arg1): Use do_mpfr_ckconv.
3391 (do_mpfr_arg2): New.
3393 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
3396 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
3397 (-fdump-rtl-sched): Rename to ..
3398 (-fdump-rtl-sched1): here. Also fix file extension number.
3400 2006-10-28 Richard Guenther <rguenther@suse.de>
3402 * fold-const.c (maybe_canonicalize_comparison): Fix code
3405 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3407 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
3408 (NON_QI_REG_P): Use IN_RANGE.
3409 (REX_INT_REGNO_P): Use IN_RANGE.
3410 (FP_REGNO_P): Use IN_RANGE.
3411 (SSE_REGNO_P): Use IN_RANGE.
3412 (REX_SSE_REGNO_P): Use IN_RANGE.
3413 (MMX_REGNO_P): Use IN_RANGE.
3414 (STACK_REGNO_P): New macro.
3415 (STACK_REG_P): Use STACK_REGNO_P.
3416 (NON_STACK_REG_P): Use STACK_REGNO_P.
3417 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
3418 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
3419 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
3420 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
3421 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
3423 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
3425 * except.h (output_function_exception_table): Add 'const char*' param.
3426 * except.c (switch_to_exception_section): Add 'const char*' param.
3427 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
3428 and flag_function_sections is set, use a function-specific section.
3429 (output_function_exception_table): Add 'const char*' param.
3430 Adjust call to switch_to_exception_section.
3431 * final.c (rest_of_handle_final): Adjust calls to
3432 output_function_exception_table.
3433 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
3434 * config.in: Regenerate.
3435 * configure: Likewise.
3437 2006-10-28 Richard Guenther <rguenther@suse.de>
3440 * fold-const.c (maybe_canonicalize_comparison_1): Helper
3441 for maybe_canonicalize_comparison.
3442 (maybe_canonicalize_comparison): New function for canonicalizing
3444 (fold_comparison): Call it to canonicalize comparisons with
3447 2006-10-28 Richard Guenther <rguenther@suse.de>
3450 * builtins.c (expand_builtin_int_roundingfn_2): Expand
3451 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
3452 (expand_builtin): Adjust likewise.
3453 * genopinit.c (optabs[]): Add lround optab.
3454 * optabs.c (init_optabs): Initialize lround_optab.
3455 * optabs.h (enum convert_optab_index): Add COI_lround.
3456 (lround_optab): Define.
3457 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
3458 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
3460 (ix86_expand_lround): New function.
3461 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
3463 * doc/md.texi (lroundMN2): Document.
3465 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3468 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
3469 argument to HOST_WIDE_INT. Update function prototype.
3470 (round_frame_size): Change return type to HOST_WIDE_INT. Change
3471 "size" argument to HOST_WIDE_INT. Update function prototype.
3473 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3475 * config/i386/i386.c (output_387_ffreep): Create output from a
3476 template string for !HAVE_AS_IX86_FFREEP.
3478 2006-10-27 Eric Christopher <echristo@apple.com>
3480 * config/darwin.c: Fix formatting and grammar.
3482 2006-10-27 Jan Hubicka <jh@suse.cz>
3484 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
3485 to be thrown away soon when IGNORE is set.
3486 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
3487 indicating when return value shall not be computed.
3488 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
3490 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
3492 * config/i386/i386.h (TARGET_GEODE):
3493 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
3494 (TARGET_CPU_DEFAULT_geode): New macro.
3495 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
3496 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
3497 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
3498 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
3499 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
3501 (TARGET_CPU_DEFAULT_NAMES): Add geode.
3502 (processor_type): Add PROCESSOR_GEODE.
3504 * config/i386/i386.md: Include geode.md.
3507 * config/i386/i386.c (geode_cost): New initialized global
3509 (m_GEODE, m_K6_GEODE): New macros.
3510 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
3511 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
3512 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
3513 x86_schedule): Use m_K6_GEODE instead of m_K6.
3514 (x86_movx, x86_cmove): Set up m_GEODE.
3515 (x86_integer_DFmode_moves): Clear m_GEODE.
3516 (processor_target_table): Add entry for geode.
3517 (processor_alias_table): Ditto.
3519 * config/i386/geode.md: New file.
3521 * doc/invoke.texi: Add entry about geode processor.
3523 2006-10-27 Mike Stump <mrs@apple.com>
3525 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
3526 __DYNAMIC__ from here back to ...
3527 * config/darwin.h (CPP_SPEC): ... here.
3529 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3530 Nathan Sidwell <nathan@codesourcery.com>
3532 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
3533 when choosing the minimum heapsize.
3535 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3537 * gcc/unwind-dw2.h: Move cfa-related variables into
3538 struct frame_state_reg_info to ensure that the CFA is properly
3539 handled when executing DW_CFA_{remember,restore}_state.
3540 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
3541 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
3542 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
3543 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
3544 gcc/config/rs6000/linux-unwind.h,
3545 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
3546 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
3547 Modify to use new cfa_* fields.
3549 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
3551 * config/s390/s390.c (s390_init_frame_layout): Check positive
3554 2006-10-26 Ben Elliston <bje@au.ibm.com>
3556 * gimplify.c (get_name): Remove extraneous break.
3557 (gimplify_omp_for): Initialise ret with GS_OK.
3559 2006-10-25 Steve Ellcey <sje@cup.hp.com>
3561 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
3562 Add unix98.o to link line.
3564 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3567 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
3568 Calculate compile-time constants using MPFR.
3569 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
3570 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
3572 2006-10-25 Bob Wilson <bob.wilson@acm.org>
3574 * config/xtensa/lib2funcs.S: Use C-style comments.
3576 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
3578 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
3579 (file_table_relative_p): Likewise.
3580 (dwarf2out_finish): Likewise.
3581 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
3583 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
3585 * tree-ssa-structalias.c (intra_create_variable_infos):
3586 Don't recreate nonlocal_all if it already exists.
3588 2006-10-25 Richard Guenther <rguenther@suse.de>
3591 * optabs.h (enum optab_index): Remove OTI_lrint.
3592 (enum convert_optab_index): Add COI_lrint.
3593 (lrint_optab): Adjust.
3594 (expand_sfix_optab): Declare.
3595 * optabs.c (expand_sfix_optab): New function.
3596 (init_optabs): Init lrint_optab as conversion optab.
3597 * genopinit.c (lrint_optab): Change to a conversion optab.
3598 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
3599 expansion via conversion optab.
3600 * config/i386/i386.md (*fistdi2_1): Remove
3601 flag_unsafe_math_optimizations guard.
3602 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
3603 fist<mode>2_with_temp): Likewise.
3604 (lrint<mode>2): Split into...
3605 (lrintxf<mode>2): ... x87 part
3606 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
3607 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
3608 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
3609 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
3610 * doc/md.texi (lrintMN2): Document.
3612 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3615 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
3616 Use inc and dec instructions for TARGET_USE_INCDEC.
3617 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
3618 ("sync_double_compare_and_swap<mode>"): Likewise.
3619 ("*sync_double_compare_and_swapdi_pic"): Likewise.
3620 ("*sync_compare_and_swap_cc<mode>"): Likewise.
3621 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
3622 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
3623 ("sync_old_add<mode>"): Likewise.
3624 ("sync_lock_test_and_set<mode>"): Likewise.
3625 ("sync_lock_test_and_set<mode>"): Likewise.
3626 ("sync_add<mode>"): Likewise.
3627 ("sync_sub<mode>"): Likewise.
3628 ("sync_ior<mode>"): Likewise.
3629 ("sync_and<mode>"): Likewise.
3630 ("sync_xor<mode>"): Likewise.
3632 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3634 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
3635 (remainder_optab): Define corresponding macro.
3636 (drem_optab): Remove.
3637 * optabs.c (init_optabs): Initialize remainder_optab. Remove
3638 drem_optab initialization.
3639 * genopinit.c (optabs): Implement remainder_optab using
3640 remainder?f3 patterns. Remove drem_optab.
3641 * builtins.c (expand_builtin_mathfn_2): Handle
3642 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
3643 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
3644 expand_builtin_mathfn_2.
3646 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
3647 depend on flag_unsafe_math_optimizations.
3649 * config/i386/i386.md ("remaindersf3", "remainderdf3")
3650 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
3651 Do not depend on flag_unsafe_math_optimizations. Use
3652 truncxf?f expander instead of truncxf?f_i387_noop.
3654 ("fpremxf4", "fprem1xf4"): Do not depend on
3655 flag_unsafe_math_optimizations.
3656 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
3657 flag_unsafe_math_optimizations. Use truncxf?f expander
3658 instead of truncxf?f_i387_noop.
3660 * doc/md.texi (fmod, remainder): Document standard named pattern.
3662 2006-10-24 Richard Sandiford <richard@codesourcery.com>
3663 David Daney <ddaney@avtrex.com>
3666 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
3668 2006-10-25 Ben Elliston <bje@au.ibm.com>
3670 * doc/extend.texi (Variable Attributes): Typo fix.
3672 2006-10-24 Uros Bizjak <uros@kss-loka.si>
3674 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
3675 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
3676 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
3677 (FRAME_POINTER_REGNUM): Update register number to 21.
3678 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
3679 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
3681 * config/i386/i386.c (regclass_map): Add fpcr entry.
3682 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
3684 (print_reg): Assert REGNO (x) != FPCR_REG.
3686 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
3687 (DIRFLAG_REG): Renumber.
3688 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
3689 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
3690 (sse_prologue_save, *sse_prologue_save_insn): Renumber
3691 hardcoded SSE register numbers.
3693 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
3694 hardcoded MMX register numbers.
3696 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3699 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
3700 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
3702 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
3703 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
3704 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
3705 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
3707 2006-10-24 Richard Guenther <rguenther@suse.de>
3710 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
3711 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
3712 for deciding optimizations in consistency with fold-const.c
3713 (fold_builtin_unordered_cmp): Likewise.
3715 2006-10-24 Richard Guenther <rguenther@suse.de>
3717 * builtins.c (fold_builtin_floor): Fold floor (x) where
3718 x is nonnegative to trunc (x).
3719 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
3720 nonnegative to FIX_TRUNC_EXPR.
3722 2006-10-24 Richard Guenther <rguenther@suse.de>
3724 PR tree-optimization/29567
3725 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
3726 for TRUTH_NOT_EXPR. Clarify comments.
3728 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3731 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
3732 at compile-time using MPFR. Change parameter VALUE to FUNC,
3734 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
3735 for overflow and underflow at all times and avoid folding in
3738 2006-10-24 Ben Elliston <bje@au.ibm.com>
3740 * reload1.c: Formatting fixes.
3742 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
3744 PR tree-optimization/14784
3745 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
3746 * tree-ssa-structalias.c (get_constraint_for,
3747 intra_create_variable_infos): Set is_heapvar.
3748 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
3749 non-heapvar pointer variables specially.
3751 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3754 * builtins.c (fold_builtin_sin, fold_builtin_cos,
3755 fold_builtin_tan): Fold all constant arguments. Take a "type"
3756 argument as necessary.
3757 (do_mpfr_arg1): New.
3758 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
3760 2006-10-23 Bob Wilson <bob.wilson@acm.org>
3762 * config/xtensa/lib1funcs.asm: Use C-style comments.
3764 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
3766 * tree.c (local_define_builtin): Replace calls to
3767 lang_hooks.builtin_function with add_builtin_function.
3768 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
3770 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
3772 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
3773 common code to add_builtin_function.
3774 * langhooks.c (add_builtin_function): New function.
3775 (lhd_builtin_function): New function.
3776 * langhooks.h (struct lang_hooks): Change the signature of
3778 (add_builtin_function): New function.
3779 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
3780 calls to lang_hooks.builtin_function with add_builtin_function.
3781 * c-common.c (decl_builtin_1): Replace calls to
3782 lang_hooks.builtin_function with add_builtin_function.
3783 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
3784 lang_hooks.builtin_function with add_builtin_function.
3785 * config/frv/frv.c (def_builtin): Replace calls to
3786 lang_hooks.builtin_function with add_builtin_function.
3787 * config/s390/s390.c (s390_init_builtins): Replace calls to
3788 lang_hooks.builtin_function with add_builtin_function.
3789 * config/sparc/sparc.c (def_builtin): Replace calls to
3790 lang_hooks.builtin_function with add_builtin_function.
3791 * config/i386/i386.c (def_builtin): Replace calls to
3792 lang_hooks.builtin_function with add_builtin_function.
3793 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
3794 lang_hooks.builtin_function with add_builtin_function.
3795 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
3796 lang_hooks.builtin_function with add_builtin_function.
3797 * config/stormy16/stormy16.c (xstormy16_init_builtins):
3798 Replace calls to lang_hooks.builtin_function with
3799 add_builtin_function.
3800 * config/iq2000/iq2000.c (def_builtin):
3801 Replace calls to lang_hooks.builtin_function with
3802 add_builtin_function.
3803 * config/ia64/ia64.c (def_builtin): Replace calls to
3804 lang_hooks.builtin_function with add_builtin_function.
3805 * config/rs6000/rs6000.c (def_builtin): Replace calls to
3806 lang_hooks.builtin_function with add_builtin_function.
3807 (altivec_init_builtins): Replace calls to
3808 lang_hooks.builtin_function with add_builtin_function.
3809 * config/arm/arm.c (def_mbuiltin): Replace calls to
3810 lang_hooks.builtin_function with add_builtin_function.
3811 (arm_init_tls_builtins): Replace calls to
3812 lang_hooks.builtin_function with add_builtin_function.
3813 * config/mips/mips.c (mips_init_builtins): Replace calls to
3814 lang_hooks.builtin_function with add_builtin_function.
3815 * config/bfin/bfin.c (def_builtin): Replace calls to
3816 lang_hooks.builtin_function with add_builtin_function.
3817 * langhooks-def.h (lhd_builtin_function): New function.
3818 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
3820 2006-10-23 Jakub Jelinek <jakub@redhat.com>
3822 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
3823 BUILT_IN_STRNCAT_CHK.
3825 2006-10-23 Jan Hubicka <jh@suse.cz>
3827 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
3828 don't do conversion from memmove to memcpy here.
3829 (expand_builtin_bcopy, expand_builtin): Update call of
3830 expand_builtin_memmove.
3831 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
3833 2006-10-23 Paul Brook <paul@codesourcery.com>
3835 * stor-layout.c (start_record_layout): maximum_field_alignment
3836 overrides STRUCTURE_SIZE_BOUNDARY.
3838 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
3840 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
3841 nonlocal function symbols if flag_pic.
3843 2006-10-23 Richard Guenther <rguenther@suse.de>
3847 * builtins.c (fold_binary): Remove checks for flag_wrapv
3848 and flag_trapv where negate_expr_p covers these cases.
3850 2006-10-23 Richard Guenther <rguenther@suse.de>
3853 * fold-const.c (fold_plusminus_mult_expr): Check exact power
3854 of two on the absolute value.
3855 (fold_binary): Fold x * -C to -x * C if x is easily negatable
3856 and negating -C does not overflow.
3858 2006-10-23 Richard Guenther <rguenther@suse.de>
3861 * convert.c (convert_to_real): Fold (float)-x to -(float)x
3862 only if not flag_rounding_math.
3864 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3865 Kaz Kojima <kkojima@gcc.gnu.org>
3868 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
3869 SImode memory reference for the source of a movua.
3870 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
3871 (movua): Use an unspec instead of sign_extract. Expect the source
3872 to have mode BLKmode.
3873 (extv, insv): Use a BLKmode rather than SImode memory reference
3874 for the source of a movua.
3876 2006-10-22 Jeff Law <law@redhat.com>
3877 Richard Guenther <rguenther@suse.de>
3879 PR tree-optimization/15911
3880 * tree-vrp.c (extract_code_and_val_from_cond): New function.
3881 (register_edge_assert_for_1): Likewise.
3882 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
3883 (find_conditional_asserts): Adjust for new function signature.
3884 (find_assert_locations): Likewise.
3886 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3888 * config/i386/tmmintrin.h: Remove the duplicated content.
3890 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3892 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
3893 (x86_64-*-*): Likewise.
3895 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
3896 (override_options): Check SSSE3.
3897 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
3898 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
3899 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
3900 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
3901 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
3902 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
3903 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
3904 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
3905 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
3906 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
3907 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
3908 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
3909 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
3910 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
3911 IX86_BUILTIN_PABSD128.
3912 (bdesc_2arg): Add SSSE3.
3913 (bdesc_1arg): Likewise.
3914 (ix86_init_mmx_sse_builtins): Support SSSE3.
3915 (ix86_expand_builtin): Likewise.
3916 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
3918 * config/i386/i386.md (UNSPEC_PSHUFB): New.
3919 (UNSPEC_PSIGN): Likewise.
3920 (UNSPEC_PALIGNR): Likewise.
3921 Include mmx.md before sse.md.
3923 * config/i386/i386.opt: Add -mssse3.
3925 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
3926 (ssse3_phaddwv4hi3): Likewise.
3927 (ssse3_phadddv4si3): Likewise.
3928 (ssse3_phadddv2si3): Likewise.
3929 (ssse3_phaddswv8hi3): Likewise.
3930 (ssse3_phaddswv4hi3): Likewise.
3931 (ssse3_phsubwv8hi3): Likewise.
3932 (ssse3_phsubwv4hi3): Likewise.
3933 (ssse3_phsubdv4si3): Likewise.
3934 (ssse3_phsubdv2si3): Likewise.
3935 (ssse3_phsubswv8hi3): Likewise.
3936 (ssse3_phsubswv4hi3): Likewise.
3937 (ssse3_pmaddubswv8hi3): Likewise.
3938 (ssse3_pmaddubswv4hi3): Likewise.
3939 (ssse3_pmulhrswv8hi3): Likewise.
3940 (ssse3_pmulhrswv4hi3): Likewise.
3941 (ssse3_pshufbv16qi3): Likewise.
3942 (ssse3_pshufbv8qi3): Likewise.
3943 (ssse3_psign<mode>3): Likewise.
3944 (ssse3_psign<mode>3): Likewise.
3945 (ssse3_palignrti): Likewise.
3946 (ssse3_palignrdi): Likewise.
3947 (abs<mode>2): Likewise.
3948 (abs<mode>2): Likewise.
3950 * config/i386/tmmintrin.h: New file.
3952 * doc/extend.texi: Document SSSE3 built-in functions.
3954 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
3956 2006-10-22 Ira Rosen <irar@il.ibm.com>
3958 * tree-vect-transform.c (vectorizable_load): Use the type of the
3959 return value of the mask_for_load builtin to create realign_load
3962 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3964 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
3967 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
3969 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
3970 (UNSPEC_LDDQU): This.
3971 * config/i386/sse.md (sse3_lddqu): Updated.
3973 2006-10-21 Richard Guenther <rguenther@suse.de>
3975 * builtins.c (expand_builtin_int_roundingfn_2): New function.
3976 (expand_builtin): Use it to expand lrint instead of
3977 expand_builtin_mathfn.
3979 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3982 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
3983 flag_unsafe_math_optimizations is set.
3985 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3988 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
3989 patterns to use memory input operand in x87->mem->XMM
3990 reload sequences. Skip transformation for TARGET_K8.
3992 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3994 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
3995 force operand1 to register if both operands are memory operands.
3996 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
3997 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
3998 if both operands are memory operands.
3999 (truncdfsf2): Do not force operand1 to register if both operands
4000 are memory operands.
4002 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4004 * Makefile.in (LIBS): Add $(GMPLIBS).
4005 * doc/install.texi: Update GMP and MPFR requirements.
4006 * doc/sourcebuild.texi (need_gmp): Delete.
4008 2006-10-21 Richard Guenther <rguenther@suse.de>
4010 PR tree-optimization/3511
4011 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
4012 got new invariant arguments during PHI translation.
4014 2006-10-21 Richard Guenther <rguenther@suse.de>
4017 * fold-const.c (fold_comparison): Fold signed comparisons
4018 of the form X +- C1 CMP Y +- C2.
4020 2006-10-21 Richard Guenther <rguenther@suse.de>
4023 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
4024 if flag_unsafe_math_optimizations is specified. We have
4025 flag_finite_math_only for that.
4026 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
4027 or flag_unsafe_math_optimizations.
4029 2006-10-21 Richard Guenther <rguenther@suse.de>
4031 * builtins.c (fold_builtin_classify): Fix typo.
4033 2006-10-21 Richard Guenther <rguenther@suse.de>
4036 * simplify-rtx.c (simplify_const_relational_operation):
4037 Do not constant-fold ORDERED and UNORDERED for
4038 flag_unsafe_math_optimizations but only we do not need to
4039 honor NaNs for the given mode.
4041 2006-10-21 Richard Guenther <rguenther@suse.de>
4044 * config/i386/i386.c (classify_argument): Remove redundant
4045 walking of the BINFOs.
4046 (contains_128bit_aligned_vector_p): Likewise.
4048 2006-10-20 Mark Mitchell <mark@codesourcery.com>
4050 * BASE-VER: Set to 4.3.0.
4052 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
4054 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
4055 (tree_decl_with_vis): Remove artificial_pta_var flag.
4056 * tree-flow.h (referenced_var_check_and_insert): Expose.
4057 (nonlocal_all): New prototype.
4058 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
4059 (nonlocal_all): Make global.
4060 (nonlocal_lookup): Remove.
4061 (nonlocal_insert): Ditto.
4062 (create_nonlocal_var): Do not call nonlocal_insert.
4063 (get_nonlocal_id_for_type): Remove.
4064 (find_global_initializers): Mark new vars we find for renaming.
4065 (intra_create_variable_infos): Only create one nonlocal.
4066 (expand_nonlocal_solutions): Remove.
4067 (compute_points_to_sets): Don't call it.
4068 (ipa_pta_execute): Ditto.
4069 (init_alias_heapvars): Don't create nonlocal_for_type.
4070 (delete_alias_heapvars): Don't remove it.
4071 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
4074 2006-10-19 Brooks Moses <bmoses@stanford.edu>
4076 * doc/install.texi (Downloading GCC): Clarify mention of
4077 Fortran in the "full distribution" description.
4079 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
4081 Fix PR tree-optimization/28778
4082 Fix PR tree-optimization/29156
4083 Fix PR tree-optimization/29415
4084 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
4085 (tree_decl_with_vis): Add artificial_pta_var flag.
4086 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
4087 pushed into callers.
4088 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
4089 (nonlocal_all): Ditto.
4090 (struct variable_info): Add directly_dereferenced member.
4091 (var_escaped_vars): New variable.
4092 (escaped_vars_tree): Ditto.
4093 (escaped_vars_id): Ditto.
4094 (nonlocal_vars_id): Ditto.
4095 (new_var_info): Set directly_dereferenced.
4096 (graph_size): New variable
4097 (build_constraint_graph): Use graph_size.
4098 (solve_graph): Don't process constraints that cannot change the
4099 solution, don't try to propagate an empty solution to our
4101 (process_constraint): Set directly_dereferenced.
4102 (could_have_pointers): New function.
4103 (get_constraint_for_component_ref): Don't process STRING_CST.
4104 (nonlocal_lookup): New function.
4105 (nonlocal_insert): Ditto.
4106 (create_nonlocal_var): Ditto.
4107 (get_nonlocal_id_for_type): Ditto.
4108 (get_constraint_for): Allow results vector to be empty in the case
4109 of string constants.
4110 Handle results of calls properly.
4111 (update_alias_info): Update alias info stats on number and type of
4113 (find_func_aliases): Use could_have_pointers.
4114 (make_constraint_from_escaped): Renamed from
4115 make_constraint_to_anything, and changed to make constraints from
4117 (make_constraint_to_escaped): New function.
4118 (find_global_initializers): Ditto.
4119 (create_variable_info_for): Make constraint from escaped to any
4120 global variable, and from any global variable to the set of
4122 (intra_create_variable_infos): Deal with escaped instead of
4123 pointing to anything.
4124 (set_uids_in_ptset): Do type pruning on directly dereferenced
4126 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
4127 (init_base_vars): Fix comment, and initialize escaped_vars.
4128 (need_to_solve): Removed.
4129 (find_escape_constraints): New function.
4130 (expand_nonlocal_solutions): Ditto.
4131 (compute_points_to_sets): Call find_escape_constraints and
4132 expand_nonlocal_solutions.
4133 (delete_points_to_sets): Don't fall off the end of the graph.
4134 (init_alias_heapvars): Initialize nonlocal_for_type and
4136 (delete_alias_heapvars): Free nonlocal_for_type and null out
4139 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
4141 * fold-const.c (add_double): Rename to add_double_with_sign.
4142 Add 'unsigned_p' parameter and take it into account for the overflow.
4143 (mul_double): Rename to mul_double_with_sign.
4144 Add 'unsigned_p' parameter and take it into account for the overflow.
4145 (fold_div_compare): Call add_double_with_sign instead of add_double
4146 and mul_double_with_sign instead of mul_double, passing them the
4147 unsignedness of the type.
4148 * tree.h (add_double): Macroize.
4149 (add_double_with_sign): New prototype.
4150 (mul_double): Macroize.
4151 (mul_double_with_sign): New prototype.
4153 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
4155 * config/score/crti.asm: New file.
4156 * config/score/crtn.asm: New file.
4157 * config/score/elf.h: New file.
4158 * config/score/mac.md: New file.
4159 * config/score/misc.md: New file.
4160 * config/score/mul-div.S: New file.
4161 * config/score/predicates.md: New file.
4162 * config/score/score7.md: New file.
4163 * config/score/score.c: New file.
4164 * config/score/score-conv.h: New file.
4165 * config/score/score.h: New file.
4166 * config/score/score.md: New file.
4167 * config/score/score-mdaux.c: New file.
4168 * config/score/score-mdaux.h: New file.
4169 * config/score/score-modes.def: New file.
4170 * config/score/score.opt: New file.
4171 * config/score/score-protos.h: New file.
4172 * config/score/score-version.h: New file.
4173 * config/score/t-score-elf: New file.
4174 * config.gcc: Add score*-*-* configurations(Update before).
4175 * doc/invoke.texi (Score Options): New section.
4176 * doc/md.texi (Score family): New section to document constraints.
4178 2006-10-19 Nick Clifton <nickc@redhat.com>
4180 * config/arm/arm.c: Fix spelling typo.
4182 2006-10-18 Tom Tromey <tromey@redhat.com>
4184 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
4186 2006-10-18 Jan Hubicka <jh@suse.cz>
4189 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
4192 2006-10-18 Marcin Dalecki <martin@dalecki.de>
4194 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
4195 TSI_SAME_STMT, since that's the desired entity.
4197 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
4199 * config/s390/contraints.md: New file.
4200 * config/s390/s390-protos.h (s390_mem_constraint,
4201 s390_O_constraint_str, s390_N_constraint_str,
4202 s390_float_const_zero_p): Function prototypes added.
4203 * config/s390/s390.c (s390_extra_constraint_str,
4204 s390_const_double_ok_for_constraint_p,
4205 s390_const_ok_for_constraint_p): Functions removed.
4206 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
4207 s390_float_const_zero_p): New functions.
4208 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
4209 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
4210 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
4211 Macro definitions removed.
4212 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
4213 s390_extra_constraint_str): Functions removed.
4215 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
4216 Richard Sandiford <richard@codesourcery.com>
4219 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
4220 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
4222 2006-10-16 Geoffrey Keating <geoffk@apple.com>
4224 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
4225 (DWARF2_FRAME_REG_OUT): Likewise.
4226 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
4227 (DWARF2_FRAME_REG_OUT): Likewise.
4229 2006-10-17 Paul Brook <paul@codesourcery.com>
4231 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
4233 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4235 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
4236 Standardize on "GNU Fortran" as the official name of the Fortran
4239 2006-10-16 Mike Stump <mrs@apple.com>
4241 * doc/invoke.texi (Darwin Options): Document -mkernel.
4242 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
4244 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
4245 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
4246 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
4247 (OS_MISSING_ALTIVEC): Add.
4248 * config/i386/i386.c (override_options): Add
4249 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
4250 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
4251 -mkernel, -static or -mdynamic-no-pic is given.
4252 (C_COMMON_OVERRIDE_OPTIONS): Add.
4253 * config/darwin.opt (fapple-kext): Add.
4255 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
4256 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
4258 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
4259 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
4260 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
4261 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
4262 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
4263 (flag_mkernel): Add.
4264 (flag_apple_kext): Add.
4265 (TARGET_KEXTABI): Add.
4266 * config/darwin.c (darwin_handle_kext_attribute): Add.
4267 (DARWIN_VTABLE_P): Add.
4268 (darwin_binds_local_p): Add partial support for rebinding vtables
4270 (darwin_kextabi_p): Add.
4271 (darwin_override_options): Add.
4272 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
4273 (darwin_kextabi_p): Add.
4274 (darwin_override_options): Add.
4275 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
4276 __DYNAMIC__ and __STATIC__ here.
4278 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4280 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
4281 Added mention of "make pdf" target, and Texinfo requirements for
4284 2006-10-16 DJ Delorie <dj@redhat.com>
4286 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
4287 into the GOT in case we need a subreg of the address.
4289 2006-10-16 Richard Guenther <rguenther@suse.de>
4292 * doc/extend.texi (X86 Built-in Functions): Fix typos in
4293 SSE builtin documentation. Document SSE2 builtins.
4295 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4297 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
4298 symbol in the output file for non-shared links when -nostdlib or
4299 -nodefaultlibs isn't specified.
4301 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
4302 posix thread support.
4304 2006-10-15 Jan Hubicka <jh@suse.cz>
4307 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
4308 declared always_inline even when not inlining.
4310 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4311 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4312 Andrew Pinski <pinskia@gmail.com>
4315 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
4317 2006-10-15 Jan Hubicka <jh@suse.cz>
4318 Richard Guenther <rguenther@suse.de>
4321 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
4322 process_function_and_variable_attributes on all variables, including
4323 those discovered during cgraph construction phase.
4325 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
4327 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
4329 2006-10-14 Uros Bizjak <uros@kss-loka.si>
4331 * config/i386/athlon.md (athlon_fist): Add fisttp.
4333 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4334 Ian Lance Taylor <ian@airs.com>
4337 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
4338 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
4341 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
4343 * config/score/score.c, config/score/score.h: Fix comment
4346 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4349 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
4352 2006-10-13 Eric Christopher <echristo@apple.com>
4354 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4356 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4359 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4360 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4361 alignment supported by 32-bit ELF.
4363 2006-10-13 Eric Christopher <echristo@apple.com>
4365 * config/darwin.c (darwin_emit_unwind_label): Strip
4366 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
4368 2006-10-13 Richard Guenther <rguenther@suse.de>
4370 PR tree-optimization/29446
4371 * tree-vrp.c (fix_equivalence_set): Remove.
4372 (extract_range_from_assert): Do not call fix_equivalence_set.
4373 (debug_value_range): Print a newline.
4374 (compare_name_with_value): For equivalence sets with
4375 inconsistent value ranges conservatively bail out.
4376 (compare_names): Likewise.
4378 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4380 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
4381 and MPFR for gfortran.
4383 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4385 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4386 alignment supported by 32-bit ELF.
4388 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
4392 * c-typeck.c (digest_init): Always allow initializing vectors
4393 that have static storage duration with compound literals.
4394 * tree.c (build_type_attribute_qual_variant): New, based on
4395 build_type_attribute_variant.
4396 (build_type_attribute_variant): Rewrite using the former.
4397 (make_vector_type): Use build_type_attribute_qual_variant to build
4398 type variants. Use type_hash_canon on the others.
4400 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
4401 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
4403 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
4405 2006-10-12 Jan Hubicka <jh@suse.cz>
4408 * c-decl.c (c_make_fname_decl): Do not segfault in case where
4409 current_function_decl is set but current_function_scope is not.
4411 2006-10-12 Jie Zhang <jie.zhang@analog.com>
4413 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
4414 emit_insn to emit eh_return_internal instruction.
4415 (eh_return_internal): Explicitly set pc.
4417 2006-10-11 Richard Guenther <rguenther@suse.de>
4419 PR tree-optimization/28230
4420 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
4421 to the correct place.
4423 2006-10-11 Richard Guenther <rguenther@suse.de>
4426 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
4429 2006-10-10 Brooks Moses <bmoses@stanford.edu>
4431 * configure.ac: Added pdf to "Make-hooks"
4432 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
4433 targets and *.pdf file patterns in cleanup targets.
4434 * configure: Regenerated.
4436 2006-10-10 Anatoly Sokolov <aesok@post.ru>
4438 * config/avr/predicates.md: New file.
4439 * config/avr/avr.md: Include it.
4440 (REG_SP): New constant.
4441 (peepholes): Use predicates.
4442 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
4443 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
4444 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
4446 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
4448 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
4451 2006-10-10 Jakub Jelinek <jakub@redhat.com>
4454 * builtins.c (var_decl_component_p): New function.
4455 (fold_builtin_memset, fold_builtin_memory_op): Restrict
4456 single entry optimization to variables and components thereof.
4458 2006-10-10 Richard Guenther <rguenther@suse.de>
4460 PR rtl-optimization/29323
4461 * except.c (set_nothrow_function_flags): For functions
4462 that do not bind local bail out early.
4464 2006-10-10 Ben Elliston <bje@au.ibm.com>
4466 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
4469 2006-10-09 Richard Henderson <rth@redhat.com>
4471 Revert emutls patch.
4473 2006-10-09 Richard Guenther <rguenther@suse.de>
4476 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
4479 2006-10-09 Steve Ellcey <sje@cup.hp.com>
4482 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
4483 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
4484 * configure: Regenerate.
4485 * config.in: Regenerate.
4487 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
4489 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
4491 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4493 * config/mips/mips.c (mips_legitimize_tls_address): Implement
4494 all TLS models in the same way as local exec if !TARGET_ABICALLS.
4495 Remove stray newline.
4497 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4499 * config/mips/mips.c (mips_classify_symbol): Do not return
4500 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
4501 (mips_in_small_data_p): Tweak comments.
4503 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4505 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
4507 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
4509 * gimplify.c, sched-int.h: Fix comment typos.
4511 * sched-int.h: Fix comment typos.
4513 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4515 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
4517 * sched-ebb.c (begin_schedule_ready): Use them.
4518 * haifa-sched.c (schedule_insn, move_insn, try_ready,
4519 add_to_speculative_block, create_check_block_twin, speculate_insn,
4520 fix_jump_move, move_block_after_check): Ditto.
4521 * sched-rgn.c (new_ready): Ditto.
4523 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4525 PR rtl-optimization/29128
4526 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
4527 * sched-ebb.c (advance_target_bb): Use it to fix condition to
4528 allow interblock movement of speculation checks.
4530 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
4533 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
4534 casted to integer type.
4535 (get_address_cost): Decrease cost of [symbol + index] addressing modes
4536 if they are significantly more expensive than [reg + index] ones.
4538 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4540 PR tree-optimization/29330
4541 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
4542 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
4543 on newly allocated ddrs.
4544 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
4545 to VEC (loop_p, heap) pointer.
4546 (compute_data_dependences_for_loop): Adjust caller.
4547 (free_dependence_relations): Free DDR_LOOP_NEST.
4549 * tree-loop-linear.c (linear_transform_loops): Don't forget to
4550 free DEPENDENCE_RELATIONS and DATAREFS.
4553 * builtins.c (expand_builtin_sync_operation,
4554 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
4555 Use convert_to_mode to handle promoted arguments.
4557 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4559 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
4561 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4563 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
4565 2006-10-05 Uros Bizjak <uros@kss-loka.si>
4567 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
4568 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
4569 Use <modeconstraint> instead of "r" as operand 1 constraint.
4571 2006-10-06 Olivier Hainque <hainque@adacore.com>
4573 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
4574 Don't recurse on the pointed-to type.
4575 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
4576 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
4577 types with components of variable size.
4579 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
4581 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
4583 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4585 PR tree-optimization/29290
4586 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
4590 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
4591 * config/i386/predicates.md (local_symbolic_operand): Likewise.
4594 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
4595 the number of vector elements fill the rest with zeros.
4597 2006-10-05 Richard Sandiford <richard@codesourcery.com>
4599 * config/mips/mips.c (mips_pass_by_reference): Do not return false
4600 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
4603 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
4605 * config/bfin/bfin.md (subsi3): Lose expander, change previously
4606 unnamed pattern into subsi3. Use correct constraints/predicates.
4607 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
4608 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
4610 2006-10-05 Ira Rosen <irar@il.ibm.com>
4612 * doc/loop.texi: Add data references analysis description.
4614 2006-10-04 Brooks Moses <bmoses@stanford.edu>
4616 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
4618 2006-10-04 Richard Henderson <rth@redhat.com>
4619 Jakub Jelinek <jakub@redhat.com>
4621 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
4622 * builtin-types.def (BT_WORD): Make unsigned.
4623 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4624 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4625 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4626 * c-decl.c (grokdeclarator): Don't error if !have_tls.
4627 * c-parser.c (c_parser_omp_threadprivate): Likewise.
4628 * cgraph.c (decide_is_variable_needed): Look at force_output.
4629 Recurse for emulated tls.
4630 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
4631 checks redundant with decide_is_variable_needed.
4632 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
4633 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4635 * expr.c (emutls_var_address): New.
4636 (expand_expr_real_1): Expand emulated tls.
4637 (expand_expr_addr_expr_1): Likewise.
4638 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4639 * output.h (emutls_finish): Declare.
4640 * toplev.c (compile_file): Call it.
4641 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4642 address before wrapping in CONST.
4643 * varasm.c (emutls_htab, emutls_object_type): New.
4644 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4645 (get_emutls_object_name, get_emutls_object_type): New.
4646 (get_emutls_init_templ_addr, emutls_decl): New.
4647 (emutls_common_1, emutls_finish): New.
4648 (assemble_variable): When emulating tls, swap decls; generate
4649 constructor for the emutls objects.
4650 (do_assemble_alias): When emulating tls, swap decl and target name.
4651 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4653 * emutls.c: New file.
4654 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
4655 tls_object for real tls.
4657 2006-10-04 Zack Weinberg <zackw@panix.com>
4659 Fix bug in constraint-check generator, reported by Rask Ingemann
4661 * genpreds.c (add_constraint): Don't remove anything from the
4663 (write_tm_constrs_h): Detect whether "op" argument is used, and
4664 mark it ARG_UNUSED if it isn't.
4665 (write_insn_const_int_ok_for_constraint): Skip the part of the
4666 expression that would test whether "op" (which is not available
4667 here) is a CONST_INT.
4669 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
4672 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
4674 2006-10-03 Geoffrey Keating <geoffk@apple.com>
4676 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
4677 current Leopard versions.
4678 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
4680 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
4682 * doc/install.texi: Fix typos.
4684 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4686 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
4687 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
4688 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
4690 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
4692 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
4693 arg to be struct mach_header_64* instead.
4695 2006-10-02 Jakub Jelinek <jakub@redhat.com>
4698 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
4699 side effects after the outer expression's post side effects.
4701 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
4703 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
4704 comments to reflect actual behavior and relationship between
4705 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
4707 * doc/c-tree.texi (Working with declarations): Fix documentation
4708 of FIELD_DECL likewise.
4710 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
4713 * doc/extend.texi: Add used variable attribute description.
4715 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
4718 * c.opt (Woverride-init): New.
4719 * c-opts.c (c_common_post_options): Default warn_override_init to
4721 * c-typeck.c (add_pending_init, output_init_element): Warn for
4722 overriding initializers without side effects.
4723 * doc/invoke.texi (-Woverride-init): Document.
4726 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
4728 PR rtl-optimization/28096
4729 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
4730 assignment has already been used as a destination earlier in the block.
4732 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
4734 * builtins.c (expand_builtin_setjmp): Delete.
4735 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
4736 <BUILT_IN_SETJMP_SETUP>: New case.
4737 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
4738 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
4739 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
4740 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
4741 (BUILT_IN_SETJMP_RECEIVER): Likewise.
4742 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
4743 (lower_function_body): Initialize it to false. If it is set to true
4744 at the end of the processing, emit the setjmp dispatcher.
4745 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
4746 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
4747 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
4748 on the rhs of the assignment.
4749 (lower_builtin_setjmp): New function.
4750 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
4751 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
4752 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
4753 to detect calls that can go to non-local labels. Use specific
4754 helper to create the abnormal edges associated with them.
4755 <MODIFY_EXPR>: Likewise.
4756 (make_abnormal_goto_edges): New function extracted from...
4757 (make_goto_expr_edges): ...here. Call it for computed gotos.
4758 (simple_goto_p): Minor tweak.
4759 (tree_can_make_abnormal_goto): New predicate.
4760 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
4761 (tree_purge_dead_abnormal_call_edges): New function.
4762 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
4763 (tree_purge_dead_abnormal_call_edges): Likewise.
4764 (make_abnormal_goto_edges): Likewise.
4765 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
4766 Purge all dead abnormal edges if the call was in the last statement.
4767 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
4768 (execute_fixup_cfg): If there are non-local labels in the function,
4769 scan the basic blocks and split them at calls that can go to non-local
4770 labels or add missing abnormal call edges. Write down the CFG in the
4772 (pass_fixup_cfg): Remove TODO_dump_func flag.
4773 * unwind-sjlj.c: Poison setjmp.
4774 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
4775 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
4776 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
4777 (DONT_USE_BUILTIN_SETJMP): Document it.
4779 2006-09-28 Geoffrey Keating <geoffk@apple.com>
4782 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
4783 to 1 when __ppc64__ is defined.
4784 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
4786 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
4788 2006-09-28 Steve Ellcey <sje@cup.hp.com>
4790 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
4791 * config/ia64/unwind-hpux.c: Delete.
4793 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
4795 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
4796 on the element before gimplifying it, instead of punting if it is of
4799 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
4801 * doc/loop.texi: New file.
4802 * doc/gccint.texi: Reference loop.texi.
4803 * Makefile.in (loop.texi): Add.
4805 2006-09-27 Geoffrey Keating <geoffk@apple.com>
4807 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
4809 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4810 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4812 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
4814 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
4816 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
4818 * doc/install.texi: Document required versions of GMP and MPFR.
4820 2006-09-27 Paul Brook <paul@codesourcery.com>
4823 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
4825 2006-09-27 Richard Sandiford <richard@codesourcery.com>
4827 * reload1.c (alter_reg): Require the alignment of the stack slot to
4828 be at least reg_max_ref_width bytes.
4829 (scan_paradoxical_subregs): Record the largest width in
4832 2006-09-26 Jakub Jelinek <jakub@redhat.com>
4836 * tree-nested.c (struct nesting_info): Added static_chain_added.
4837 (convert_call_expr): Set static_chain_added when adding static
4838 chain. Handle OMP_PARALLEL and OMP_SECTION.
4840 2006-09-25 Matthias Klose <doko@debian.org>
4842 * doc/invoke.texi: Add missing full stop.
4844 2006-09-25 Richard Henderson <rth@redhat.com>
4846 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
4847 before cgraph_function_flags_ready.
4849 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
4850 Adam Nemet <anemet@caviumnetworks.com>
4852 * tree-ssa-loop-ivopts.c (aff_combination_convert,
4853 determine_common_wider_type): New functions.
4854 (get_computation_aff): Use them to simplify arithmetic between
4855 UBASE and CBASE if they are shortened from the same type.
4857 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
4860 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
4861 -2147483647 - 1 instead of 0x80000000.
4863 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
4865 * flags.h (HONOR_NANS): Fix typo in comment.
4867 2006-09-23 Uros Bizjak <uros@kss-loka.si>
4869 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
4871 2006-09-23 Jakub Jelinek <jakub@redhat.com>
4875 * tree.c (merge_attributes, attribute_list_contained): If both
4876 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
4878 * c-typeck.c (comptypes_internal): Don't consider aggregates
4879 in different TUs as compatible if there one set of attributes is
4880 not a subset of the other type's attributes.
4881 (composite_type): Try harder not to create a new aggregate type.
4883 2006-09-22 Geoffrey Keating <geoffk@apple.com>
4885 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
4886 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
4887 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
4888 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
4889 than replicating condition above.
4890 * config.host (i[34567]86-*-*): Always use driver-i386.o.
4892 * config/darwin.h (LINK_SYSROOT_SPEC): New.
4893 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
4894 the linker by default.
4896 2006-09-22 Mike Stump <mrs@apple.com>
4898 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
4901 2006-09-22 Richard Guenther <rguenther@suse.de>
4904 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
4905 sort of stack variables stable.
4907 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
4910 * explow.c (force_reg): Set REG_POINTER flag according to
4913 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
4915 PR tree-optimization/28888
4916 * tree-if-conv.c (combine_blocks): Rewritten.
4917 * tree-cfg.c (tree_verify_flow_info): Check that edges with
4918 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
4920 2006-09-22 Jakub Jelinek <jakub@redhat.com>
4922 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
4925 2006-09-21 Richard Sandiford <richard@codesourcery.com>
4927 * varasm.c (copy_constant): Fix reversed gcc_assert check.
4929 2006-09-21 Janis Johnson <janis187@us.ibm.com>
4931 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
4933 2006-09-21 Roger Sayle <roger@eyesopen.com>
4936 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
4937 dw_fde_current_label, to be the start of the function, i.e. the same
4938 value as dw_fde_begin.
4940 2006-09-20 Richard Sandiford <richard@codesourcery.com>
4942 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
4943 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
4944 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
4945 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
4946 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
4947 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
4948 (abs<mode>2, neg<mode>2): Likewise.
4949 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
4950 (*mips_abs_ps): New define_insn.
4952 2006-09-20 Josh Conner <jconner@apple.com>
4955 * calls.c (expand_call): Allow reuse of structure return stack
4958 2006-09-20 Paul Brook <paul@codesourcery.com>
4960 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
4963 2006-09-20 Janis Johnson <janis187@us.ibm.com>
4965 * doc/extend.texi (Decimal Float): Update for latest draft TR,
4966 clean up terminology.
4968 2006-09-20 Steve Ellcey <sje@cup.hp.com>
4971 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
4972 with tablejumps in them.
4974 2006-09-20 Jakub Jelinek <jakub@redhat.com>
4977 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
4978 wrap it into TARGET_EXPR.
4980 2006-09-20 Eric Christopher <echristo@apple.com>
4982 * config/i386/i386.c (x86_fisttp): Remove.
4983 * config/i386/i386.h (x86_fisttp): Ditto.
4984 (TARGET_FISTTP): Ditto.
4986 2006-09-19 Eric Christopher <echristo@apple.com>
4988 * doc/tm.texi (OBJC_JBLEN): Describe.
4989 * config/i386/darwin.h (OBJC_JBLEN): Define.
4990 * config/rs6000/darwin.h: Ditto.
4992 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
4994 PR rtl-optimization/21299
4995 * reload1.c (reload): Purge invalid ASMs in the final pass.
4997 2006-09-19 Steve Ellcey <sje@cup.hp.com>
5000 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
5001 pointers as legitimate constants.
5003 2006-09-19 Paul Brook <paul@codesourcery.com>
5006 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
5008 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
5010 PR tree-optimization/28887
5011 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
5012 component parts from the reference.
5013 (gather_memory_references_ref): Record the reference without the
5014 nonaddressable component parts.
5016 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
5019 * c-opts.c (c_common_handle_option): Ignore the -std options
5020 if the input language is assembly.
5022 2006-09-17 Ira Rosen <irar@il.ibm.com>
5025 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
5027 (ptr_ptr_may_alias_p): Likewise.
5028 (record_record_differ_p): New function.
5029 (base_object_differ_p): Call record_record_differ_p.
5031 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
5034 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
5035 away for the expr argument.
5037 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5040 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
5041 before using it for dumping after vectorizing loops.
5043 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
5044 Jack Howarth <howarth@bromo.med.uc.edu>
5047 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
5048 skip on error_mark_node.
5049 (rs6000_darwin64_record_arg_recurse): Likewise.
5051 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5053 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
5054 * doc/rtl.texi: Remove related documentation.
5056 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
5058 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
5061 2006-09-15 Jim Wilson <wilson@specifix.com>
5063 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
5064 Handle symbol offsets same as they are handled in ia64_expand_move
5067 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
5069 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
5070 Add forgotten parameter to the fprintf call.
5072 2006-09-15 Steve Ellcey <sje@cup.hp.com>
5074 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
5076 2006-09-15 Uros Bizjak <uros@kss-loka.si>
5078 * doc/contrib.texi: Add my entry.
5080 2006-09-15 Nick Clifton <nickc@redhat.com>
5082 * doc/md.texi (Processor pipeline description): Fix typo in
5083 example of how to use the absence_set directive and reword the
5084 description to make it slightly easier to read.
5086 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
5088 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
5089 * loop-doloop.c (doloop_optimize): Use it to limit costs of
5090 expanding the number of iterations.
5091 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
5093 * cfgrtl.c (emit_insn_at_entry): New function.
5094 * rtl.h (emit_insn_at_entry): Declare it.
5095 * integrate.c (emit_initial_value_sets): Use it.
5097 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
5099 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
5101 (struct loop_work and related VEC declarations): Delete.
5102 (bfin_dump_loops): Print out new member bad.
5103 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
5104 (bfin_scan_loop): Don't recurse.
5105 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
5106 loops. No longer need to update outer loops if the current one is
5107 found bad. Move some validitiy checks to bfin_discover_loop.
5108 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
5109 but changed not to check for nesting. Also changed to use the new bad
5111 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
5112 time. Use bitmap based test to discover loop nesting.
5114 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
5116 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
5119 2006-09-14 Richard Guenther <rguenther@suse.de>
5120 Kazu Hirata <kazu@codesourcery.com>
5122 PR middle-end/28884.
5123 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
5124 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
5125 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
5126 with TARGET_FUNCTION_VALUE.
5128 2006-09-14 Anatoly Sokolov <aesok@post.ru>
5131 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
5133 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
5135 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
5138 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
5141 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
5144 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5146 * basic_block.h (bb_has_eh_pred): Fix comment.
5148 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5150 * flow.c (calculate_global_regs_live): Invalidate eh registers
5151 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
5152 (propagate_block): Handle eh registers as if they were set at basic
5154 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
5156 * global.c (global_conflicts): Make eh registers to conflict with
5157 pseudos live at basic block begin.
5158 * basic_block.h (bb_has_eh_pred): New function.
5160 2006-09-13 Richard Sandiford <richard@codesourcery.com>
5162 PR rtl-optimization/28982
5163 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
5164 index of a PRE_MODIFY or POST_MODIFY address.
5165 * reload1.c (inc_for_reload): Use find_replacement on the original
5166 base and index registers.
5168 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
5170 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
5171 for -Os. Update __m128 alignment requirement.
5173 2006-09-13 Jan Hubicka <jh@suse.cz>
5175 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
5177 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
5179 PR rtl-optimization/28243
5180 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
5181 the insn to which the note was originally attached.
5183 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
5184 Roger Sayle <roger@eyesopen.com>
5186 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
5187 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
5188 on platforms that don't use dwarf for debug info.
5190 2006-09-12 Jason Merrill <jason@redhat.com>
5193 * builtins.c (expand_builtin_setjmp_receiver): Clobber
5194 hard_frame_pointer_rtx after using it to update the frame pointer.
5196 2006-09-12 Roger Sayle <roger@eyesopen.com>
5198 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
5199 (TARGET_ASM_CLOSE_PAREN): Likewise.
5200 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
5201 (TARGET_ASM_CLOSE_PAREN): Likewise.
5203 2006-09-12 Roger Sayle <roger@eyesopen.com>
5206 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
5207 frame information for frames larger than 512 Kbytes on Tru64 when
5208 using the native assembler.
5210 2006-09-12 Roger Sayle <roger@eyesopen.com>
5214 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
5215 and symbols. Instead use the implementation from cse.c's hash_rtx.
5217 2006-09-12 Jan Hubicka <jh@suse.cz>
5219 PR rtl-optimization/28071
5220 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
5221 (vect_transform_loop): Likewise.
5222 * tree-vectorizer.c (new_loop_vec_info): Likewise.
5223 (new_loop_vec_info): Likewise.
5224 (destroy_loop_vec_info): Likewise.
5225 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
5226 (create_stmt_ann): Likewise.
5227 (create_tree_ann): Rename to ...
5228 (create_tree_common_ann): ... this one; allocate only the common part
5230 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
5231 (get_value_handle): Likewise.
5232 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
5233 get_tree_common_ann.
5234 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
5235 (vinfo_for_stmt): Use stmt annotations.
5236 * tree-flow.h (tree_ann_common_t): New type.
5237 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
5238 (tree_ann, get_tree_ann, create_tree_ann): New.
5239 * tree-flow-inline.h (get_function_ann): Do more type checking.
5240 (stmt_ann): Likewise.
5241 (tree_ann): Rename to ...
5242 (tree_common_ann): ... this one; return ony common_ann
5243 (get_tree_ann): Rename to ...
5244 (tree_common_ann): This one; return only common_ann.
5245 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
5248 2006-09-11 Geoffrey Keating <geoffk@apple.com>
5250 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
5251 with_cpu by default.
5253 * dwarf2out.c (dwarf_file_data): New.
5254 (enum dw_val_class): Add dw_val_class_file.
5255 (struct dw_val_struct): Add val_file.
5256 (file_table): Change to a hash table.
5257 (file_table_emitted): Delete.
5258 (file_table_last_lookup_index): Delete.
5259 (emitcount): Delete.
5260 (last_emitted_file): New.
5261 (lookup_filename): Change prototype to return a struct dwarf_file_data.
5262 (init_file_table): Delete.
5263 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
5264 (AT_addr): Add comment.
5268 (print_die): Handle dw_val_class_file.
5269 (print_dwarf_line_table): Update for new file table structure.
5270 (attr_checksum): Do checksum a filename.
5271 (same_dw_val_p, same_attr_p): Do compare a filename.
5272 (size_of_die): Handle dw_val_class_file.
5273 (value_format): Likewise.
5274 (output_die): Likewise. Also, call maybe_emit_file here.
5275 (struct file_info): Constify filenames. Make file_idx a pointer
5276 to a struct dwarf_file_data.
5277 (struct dir_info): Constify directory names. Remove 'used' field.
5278 (struct file_name_acquire_data): New.
5279 (file_name_acquire): New.
5280 (output_file_names): Modify to handle new file data structures.
5281 (add_src_coords_attributes): Use add_AT_file.
5282 (add_call_src_coords_attributes): Likewise.
5283 (dwarf2out_imported_module_or_decl): Likewise.
5284 (gen_subprogram_die): Modify for new file data structures.
5285 (gen_variable_die): Likewise.
5286 (file_table_eq): New.
5287 (file_table_hash): New.
5288 (file_table_last_lookup): New.
5289 (lookup_filename): Rewrite to handle new file data structures.
5290 (maybe_emit_file): Rewrite to handle new file data structures.
5291 (dwarf2out_source_line): Always call lookup_filename and
5293 (dwarf2out_init): Create file_table here.
5294 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
5295 (file_table_relative_p): New.
5296 (dwarf2out_finish): Change detection of relative filenames
5297 to work with new file data structures. Move output_line_info call
5298 after debug_info output.
5300 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
5305 * config/i386/i386.c (override_options): Always default to 16
5306 byte stack boundary.
5308 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
5311 * var-tracking.c (dump_dataflow_set): Start dumping at
5313 (clobber_variable_part): Kill only the variable part in
5314 registers holding it, leaving other variables alone.
5316 2006-09-11 Josh Triplett <josh@freedesktop.org>
5318 * doc/extend.texi (Other Builtins): Actually use the macro
5319 argument in the documentation example for
5320 __builtin_types_compatible_p.
5322 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5324 PR rtl-optimization/28726
5325 * sched-deps.c (sched_analyze_reg): New function extracted from...
5326 (sched_analyze_1): ...here. Call it to analyze references to
5327 registers. Treat again writes to a stack register as writing to the
5329 (sched_analyze_2): ...and here. Call it to analyze references to
5330 registers. Treat again reads of a stack register as reading the
5333 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
5334 David Edelsohn <edelsohn@gnu.org>
5337 * config/rs6000/spe.md (frob_df_di): Remove %H.
5338 (frob_di_df): Remove %H. Change evmergelo to mr.
5339 (frob_di_df_2): Remove %H. Change evldd to two loads.
5341 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
5343 * doc/cpp.texi: Fix names of charset options.
5345 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
5348 * config/i386/i386.c (override_options): Use 128-bit
5349 stack boundary always for 64bits.
5351 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5353 PR rtl-optimization/28636
5354 * combine.c (force_to_mode): Test for side-effects before
5355 substituting by zero.
5356 (simplify_shift_const): Likewise for zero or other constants.
5358 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
5361 * builtins.c (expand_builtin_setjmp): Force next_lab to be
5364 2006-09-10 Richard Sandiford <richard@codesourcery.com>
5367 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
5368 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
5369 returned by mode_for_size, rather than the mode of src itself,
5370 to choose between 32-bit and 64-bit patterns.
5371 (mips_mem_fits_mode_p): New function.
5372 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
5373 that the size of the source matches the size of the destination.
5374 (mov_<store>l, mov_<store>r): Likewise.
5376 2006-09-10 Eric Christopher <echristo@apple.com>
5378 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
5381 2006-09-09 Eric Christopher <echristo@apple.com>
5384 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
5387 2006-09-09 Roger Sayle <roger@eyesopen.com>
5388 Nicolas Setton <setton@adacore.com>
5390 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
5392 2006-09-10 Andreas Schwab <schwab@suse.de>
5394 * config/m68k/m68k.md (bungt_rev): New pattern.
5396 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
5397 Dale Johannesen <dalej@apple.com>
5400 * regclass.c (struct reg_pref): Update documentation.
5401 (regclass): Set prefclass to NO_REGS if memory is the best option.
5402 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5404 2006-09-08 Eric Christopher <echristo@apple.com>
5406 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
5407 * config/t-slibgcc-darwin: Support x86_64 multilib.
5408 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
5409 Return 1 for x86_64-darwin.
5410 * config/i386/t-darwin: Add m64 multilib.
5411 (LIB2_SIDITI_CONV_FUNCS): Use.
5412 (LIB2FUNCS_EXTRA): Ditto.
5413 * config/i386/darwin.h: Support x86_64.
5414 * config/i386/i386.c (override_options): Turn on flag_pic
5415 for x86_64-darwin. Disable flag_omit_pointer.
5416 (get_pc_thunk_name): Assert !TARGET_64BIT.
5417 (legitimate_address_p): Disable machopic addressing for
5419 (legitimize_pic_address): Ditto.
5420 (ix86_expand_move): Ditto.
5421 (ix86_expand_call): Ditto.
5422 (machopic_output_stub): Ditto.
5423 * config/darwin.c (machopic_select_section): Support literal16.
5424 (machopic_select_rtx_section): Ditto.
5425 * config/darwin-sections.def: Ditto.
5426 * config/darwin-64.c: New.
5428 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
5431 * c-tree.h (struct c_arg_info): Add pending_sizes.
5432 * c-parser.c (c_parser_parms_declarator,
5433 c_parser_parms_list_declarator): Initialize pending_sizes.
5434 * c-decl.c (get_parm_info): Initialize pending_sizes.
5435 (get_parm_info): Set pending_sizes.
5436 (grokdeclarator): Call put_pending_sizes for parameters for
5437 function definition only.
5439 2006-09-07 Jason Merrill <jason@redhat.com>
5442 * varasm.c (output_constant): Only strip actual no-op conversions.
5445 * config/i386/i386.c (override_options): Use 128-bit
5446 stack boundary if -msse.
5448 2006-09-07 Eric Christopher <echristo@apple.com>
5450 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
5452 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
5455 2006-09-07 Geoffrey Keating <geoffk@apple.com>
5457 * dwarf2out.c: Remove strange characters from comment above
5458 dwarf2out_frame_debug_expr.
5460 2006-09-07 Eric Christopher <echristo@apple.com>
5462 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
5463 * config/darwin.h: ... to here.
5465 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
5467 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
5469 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
5470 (TARGET_PARTIAL_FLAG_REG_STALL): New.
5472 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
5473 TARGET_PARTIAL_FLAG_REG_STALL.
5474 (*ashldi3_cconly_rex64): Likewise.
5475 (*ashlsi3_cmp): Likewise.
5476 (*ashlsi3_cconly): Likewise.
5477 (*ashlsi3_cmp_zext): Likewise.
5478 (*ashlhi3_cmp): Likewise.
5479 (*ashlhi3_cconly): Likewise.
5480 (*ashlqi3_cmp): Likewise.
5481 (*ashlqi3_cconly): Likewise.
5482 (*ashrdi3_cmp_rex64): Likewise.
5483 (*ashrdi3_cconly_rex64): Likewise.
5484 (*ashrsi3_cmp): Likewise.
5485 (*ashrsi3_cconly): Likewise.
5486 (*ashrsi3_cmp_zext): Likewise.
5487 (*ashrhi3_cmp): Likewise.
5488 (*ashrhi3_cconly): Likewise.
5489 (*ashrqi3_cmp): Likewise.
5490 (*ashrqi3_cconly): Likewise.
5491 (*lshrdi3_cmp_rex64): Likewise.
5492 (*lshrdi3_cconly_rex64): Likewise.
5493 (*lshrsi3_cmp): Likewise.
5494 (*lshrsi3_cconly): Likewise.
5495 (*lshrsi3_cmp_zext): Likewise.
5496 (*lshrhi3_cmp): Likewise.
5497 (*lshrhi3_cconly): Likewise.
5498 (*lshrqi2_cmp): Likewise.
5499 (*lshrqi2_cconly): Likewise.
5501 2006-09-07 Uros Bizjak <uros@kss-loka.si>
5504 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
5505 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
5506 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
5507 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
5508 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
5509 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
5510 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
5511 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
5512 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
5513 implement only CC setting effects of shift instructions.
5515 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
5517 * doc/contrib.texi: Add myself.
5519 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
5522 * stor-layout.c (relayout_decl): Don't zero the alignment if it
5523 was set by the user.
5525 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
5528 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
5529 (divsi_inv_m1): Use them.
5530 (UNSPEC_DIV_INV_TABLE): New constant.
5532 2006-09-06 James E Wilson <wilson@specifix.com>
5535 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
5536 then call count_or_remove_death_notes.
5538 2006-09-06 Jason Merrill <jason@redhat.com>
5541 * tree-inline.c (copy_result_decl_to_var): New fn.
5542 (declare_return_variable): Use it. Call declare_inline_vars here.
5543 (expand_call_inline): Not here.
5545 2006-09-06 Diego Novillo <dnovillo@redhat.com>
5547 * doc/contrib.texi: Update my entry.
5549 2006-09-06 Nick Clifton <nickc@redhat.com>
5551 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
5553 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5556 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
5557 (canonicalize_induction_variables): Likewise.
5558 (tree_unroll_loops_completely): Likewise.
5559 (tree_ssa_prefetch_arrays): Likewise.
5560 (remove_empty_loops): Likewise.
5561 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
5562 TODO_cleanup_cfg instead of directly calling
5563 cleanup_tree_cfg_loop.
5564 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
5566 (tree_unroll_loops_completely): Likewise.
5567 (remove_empty_loops): Likewise.
5568 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
5569 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
5570 of tree_ssa_unswitch_loops.
5571 (tree_ssa_loop_ivcanon): Use the return value of
5572 canonicalize_induction_variables.
5573 (tree_ssa_empty_loop): Use the return value of
5575 (tree_complete_unroll): Use the return value of
5576 tree_unroll_loops_completely.
5577 (tree_ssa_loop_prefetch): Use the return value of
5578 tree_ssa_prefetch_arrays.
5579 * passes.c (execute_todo): Before Cleanup CFG, set
5580 updating_used_alone and after cleanup CFG, call
5581 recalculate_used_alone.
5583 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5586 * tree-vect-transform.c (vectorizable_condition): Move the check
5587 for the type after the check for simple condition.
5589 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
5590 Kaz Kojima <kkojima@gcc.gnu.org>
5593 * mode-switching.c (optimize_mode_switching): Make the destination
5594 block of an abnormal edge have no anticipatable mode. Don't
5595 insert mode switching code at the end of the source block of
5598 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
5600 PR rtl-optimization/26847
5601 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
5602 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
5603 (simplify_plus_minus): Count n_constants while filling ops. Replace
5604 qsort with insertion sort. Before going through the array to simplify
5605 pairs, sort it. Delay early exit until after the first sort, exiting
5606 only if no swaps occurred. Simplify pairs in reversed order, without
5607 special-casing the first iteration. Pack ops after simplifying pairs.
5609 2006-09-05 Anatoly Sokolov <aesok@post.ru>
5611 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
5612 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5613 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5614 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
5616 2006-09-05 Richard Guenther <rguenther@suse.de>
5618 PR tree-optimization/28900
5619 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
5620 compound conditional before creating COND_EXPR condition.
5622 2006-09-05 Richard Guenther <rguenther@suse.de>
5624 PR tree-optimization/28905
5625 * tree-vrp.c (fix_equivalence_set): Manually implement
5626 !value_ranges_intersect_p to also handle symbolic ranges.
5628 2006-09-05 Richard Guenther <rguenther@suse.de>
5631 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
5634 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5636 PR rtl-optimization/27616
5637 * cse.c (table_size): New static variable.
5638 (new_basic_block): Initialize it to 0.
5639 (remove_from_table): Decrement it.
5640 (insert): Increment it.
5641 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
5642 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
5643 fold_rtx_mem_1 if under the cap.
5644 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
5645 the lookup of the equivalent expression and test for equality of the
5646 first operand of the equivalent expression before in turn looking up
5647 an equivalent constant for the second operand.
5649 2006-09-02 Geoffrey Keating <geoffk@apple.com>
5652 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5653 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5654 pointer, instead of assuming it is possible to derive the
5655 correct args size from a call insn.
5657 2006-09-02 Jakub Jelinek <jakub@redhat.com>
5660 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
5661 (fold_builtin_mempcpy): Rename to...
5662 (fold_builtin_memory_op): ... this. Optimize one element copy
5664 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
5666 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
5667 (expand_builtin_memcpy, expand_builtin_mempcpy,
5668 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
5669 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
5670 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
5671 BUILT_IN_MEM{CPY,PCPY,MOVE}.
5673 2006-09-01 DJ Delorie <dj@redhat.com>
5675 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
5676 (stzx_16): Likewise.
5677 ("stzx_24_<mode>"): Likewise.
5678 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
5679 ("cmp<mode>_op"): New.
5680 (cmp<mode>): Change to expander; just save operands.
5682 (b<code>): Change to expander, emit compare here.
5683 (s<code>_op): Change to use split and expander.
5684 (s<code>_24_op): Likewise.
5685 (s<code>_<mode>): New.
5686 (s<code>_<mode>_24): New.
5687 (movqicc_<code>_<mode): New.
5688 (movhicc_<code>_<mode>): New.
5691 * config/m32c/m32c.c (compare_op0, compare_op1): New.
5692 (m32c_pend_compare): New.
5693 (m32c_unpend_compare): New.
5694 (m32c_expand_scc): New.
5695 (m32c_expand_movcc): Emit the compare also.
5696 * config/m32c/predicates.md (mra_nopp_operand): New.
5698 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
5699 Richard Guenther <rguenther@suse.de>
5700 Adam Nemet <anemet@caviumnetworks.com>
5703 * builtins.c (get_pointer_alignment): Handle more forms
5704 of base addresses that can be used to derive more precise
5705 information about alignment.
5707 2006-09-01 Jason Merrill <jason@redhat.com>
5710 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
5713 * gimplify.c (voidify_wrapper_expr): Handle null type.
5715 2006-09-01 Josh Conner <jconner@apple.com>
5718 * tree-nrv.c (dest_safe_for_nrv_p): New function.
5719 (execute_return_slot_opt): Use it.
5721 2006-08-31 Josh Conner <jconner@apple.com>
5724 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
5725 returning aggregates.
5727 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
5729 PR tree-optimization/28839
5730 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
5731 blocks in that phi arguments appear.
5733 2006-08-31 Roger Sayle <roger@eyesopen.com>
5736 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
5737 NULL, otherwise use an advance_loc4 to adjust relative to the
5739 (output_cfi) <DW_CFA_set_loc>: Update the current label.
5740 (dwarf2out_switch_text_section): Reset the current label to avoid
5741 using advance_loc4 over section boundaries.
5743 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
5746 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
5747 r12 + SYMBOLIC_CONST.
5749 2006-08-30 Richard Guenther <rguenther@suse.de>
5751 * Makefile.in (see.o): Add $(EXPR_H) dependency.
5753 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
5755 PR rtl-optimization/27735
5756 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
5757 Add new argument to keep track of whether an irreducible region
5758 was affected. All callers changed.
5759 (fix_irreducible_loops): Removed.
5760 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
5761 flags were invalidated.
5763 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
5765 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
5766 instead of SF operands.
5767 (*fop_df_comm_sse): Likewise.
5768 (*fop_df_comm_i387): Likewise.
5769 (*fop_df_1_mixed): Likewise.
5770 (*fop_df_1_sse): Likewise.
5772 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
5773 J"orn Rennecke <joern.rennecke@st.com>
5775 PR tree-optimization/17506
5776 * tree-ssa.c (warn_uninit): If warning about a location outside of
5777 the current function, note where the variable was declared.
5779 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
5781 PR tree-optimization/28411
5782 * double-int.c (double_int_div): Use double_int_divmod.
5783 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
5784 double_int_mod, double_int_smod, double_int_umod): New functions.
5785 * double-int.h (double_int_divmod, double_int_sdivmod,
5786 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
5788 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
5790 (get_computation_aff, get_computation_cost_at): Handle double_int
5791 return type of constant_multiple_of.
5793 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
5796 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
5797 an implicit conversion.
5799 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
5801 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
5803 2006-08-27 Roger Sayle <roger@eyesopen.com>
5805 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
5808 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
5810 * config/i386/crtfastmath.c: Fix a comment typo.
5812 2006-08-26 Roger Sayle <roger@eyesopen.com>
5814 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
5815 temporary visit flags on CASE_LABEL_EXPRs.
5816 * c-common.c (match_case_to_enum): Add function comment. Avoid
5817 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
5818 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
5819 CASE_HIGH_SEEN for enumerated types. If the switch expression is
5820 a constant, only warn if that constant value isn't handled.
5822 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
5825 * input.h (restore_input_file_stack): Declare.
5826 (INPUT_FILE_STACK_BITS): Define.
5827 * toplev.c (fs_p, input_file_stack_history,
5828 input_file_stack_restored, restore_input_file_stack): New.
5829 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
5830 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
5831 (pop_srcloc): Don't free old state of stack.
5833 2006-08-26 David Edelsohn <edelsohn@gnu.org>
5836 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
5837 (PowerPC Type Attributes): New.
5839 2006-08-26 Bob Wilson <bob.wilson@acm.org>
5841 * config/xtensa/xtensa.c (function_arg_boundary): New.
5842 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
5844 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
5845 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
5847 2006-08-26 Jakub Jelinek <jakub@redhat.com>
5850 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
5853 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5855 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
5856 (verify_local_live_at_start): Likewise.
5858 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5861 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
5862 omp_add_variable): Treat sizes as variable whenever not
5865 2006-08-26 Richard Guenther <rguenther@suse.de>
5868 * fold-const.c (fold_binary): Fold temporary to correct
5869 type before constructing new comparison.
5871 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
5874 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
5875 variable again if DECL_SEEN_IN_BIND_EXPR_P.
5877 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5880 * c-decl.c (start_function): Don't try to process prototype
5881 information from old declaration that isn't a function.
5883 2006-08-25 Jan Hubicka <jh@suse.cz>
5886 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
5888 2006-08-25 Alan Modra <amodra@bigpond.net.au>
5891 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
5894 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
5896 PR tree-optimization/16876
5897 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
5898 exit if PARM doesn't match VALUE.
5900 2006-08-25 Bob Wilson <bob.wilson@acm.org>
5902 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
5903 literal_prefix directive.
5904 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
5905 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5906 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5908 2006-08-25 David Edelsohn <edelsohn@gnu.org>
5911 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
5912 predicate to general_operand. Add 0->y and I->r alternatives.
5914 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
5916 * doc/tm.texi: Fix a typo.
5917 * predict.c: Fix comment typos.
5919 2006-08-25 Nick Clifton <nickc@redhat.com>
5921 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
5922 assertions of "cpu" and "machine".
5924 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
5927 * tree-ssa-operands.c (access_can_touch_variable): Don't say
5928 the access through a base which has an alias set of 0 cannot
5931 2006-08-24 Bill Wendling <wendling@apple.com>
5933 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
5935 2006-08-24 Jan Hubicka <jh@suse.cz>
5937 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
5939 2006-08-24 Jan Hubicka <jh@suse.cz>
5942 * cgraph.c: Fix comments.
5943 (cgraph_varpool_mark_needed_node): Mark only variables not already
5945 * cgraphunit.c: Update comments; include gt-cgraphunit.h
5946 (cgraph_varpool_assembled_nodes_queue): New static variable.
5947 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
5948 (cgraph_varpool_output_debug_info): New function.
5949 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
5950 * Makefile.in: Add gt-cgraphunit.h
5952 2006-08-24 Jan Hubicka <jh@suse.cz>
5954 * predict.c (probability_reliable_p): New predicate.
5955 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
5956 (predict_loops): Do not predict loop exit with less than 2%
5958 * basic-block.h (edge_probability_reliable_p,
5959 br_prob_note_reliable_p): Declare.
5960 * ia64.h (ia64_print_operand): Do not disable on-chip branch
5961 prediction when static predictor is not reliable.
5962 * rs6000.c (output_cbranch): Likewise.
5964 2006-08-23 Stuart Hastings <stuart@apple.com>
5967 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
5968 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
5970 2006-08-21 Geoffrey Keating <geoffk@apple.com>
5973 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
5974 complex values, nor for generic vector values.
5976 2006-08-22 Richard Guenther <rguenther@suse.de>
5979 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
5980 parameter. Convert arguments to arithmetic expression to the
5982 (analyze_scalar_evolution_1): Adjust caller.
5984 2006-08-22 Jan Hubicka <jh@suse.cz>
5986 Patch by Paolo Bonzini
5987 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
5990 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
5992 PR tree-optimization/28003
5993 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
5994 before grouping aliases.
5996 2006-08-22 Roger Sayle <roger@eyesopen.com>
5998 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
5999 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
6001 2006-08-21 Jason Merrill <jason@redhat.com>
6004 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
6005 wrapper. Loop to handle nested wrappers.
6006 (gimplify_bind_expr): Remove temp parameter.
6007 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
6008 and STATEMENT_LIST on the rhs.
6009 (gimplify_statement_list): Voidify the STATEMENT_LIST.
6010 (gimplify_expr): Pass pre_p to gimplify_statement_list.
6011 (gimplify_target_expr): Remove special BIND_EXPR handling.
6013 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
6015 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
6018 2006-08-21 Olivier Hainque <hainque@adacore.com>
6020 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
6021 Arrange for the temporary captures of components overlapping the lhs
6022 to happen before the lhs is possibly cleared.
6024 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
6026 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
6027 necessary places to pass the correct "number of registers" values
6030 2006-08-20 Jan Hubicka <jh@suse.cz>
6032 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
6033 (create_name_tags): Instead of quadratic checking use hashtable.
6034 * bitmap.h: Include hashtab.h.
6035 (bitmap_hash): Declare.
6036 * bitmap.c (bitmap_hash): New function.
6038 2006-08-20 Jan Hubicka <jh@suse.cz>
6040 PR rtl-optimization/28071
6041 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
6043 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
6044 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
6045 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
6046 cgraph_decide_inlining_incrementally): Update use of
6047 cgraph_check_inline_limits.
6048 * cgraph.c (edge_hash, edge_eq): New function.
6049 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
6050 cgraph_edge_remove_caller, cgraph_node_remove_callees,
6051 cgraph_remove_node): Maintain call site hash.
6052 * cgraph.h (struct cgraph_node): Add call_site_hash.
6053 (cgraph_set_call_stmt): New function.
6055 2006-08-20 Jan Hubicka <jh@suse.cz>
6057 PR rtl-optimization/28071
6058 * reload1.c (reg_has_output_reload): Turn into regset.
6059 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
6060 choose_reload_regs, emit_reload_insns): Update to new
6061 reg_has_output_reload.
6063 2006-08-20 Jan Hubicka <jh@suse.cz>
6066 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
6067 function body sizes.
6068 * cgraphunit.c (cgraph_analyze_function): Don't do so.
6070 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
6073 * tree.c (handle_dll_attribute): Return early if not a
6074 var or function decl.
6076 2006-08-18 Joseph Myers <joseph@codesourcery.com>
6079 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
6080 alignment of SPE vector types.
6082 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
6084 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
6086 2006-08-17 Jakub Jelinek <jakub@redhat.com>
6089 * cgraph.h (struct cgraph_node): Remove externally_visible
6091 * cgraphunit.c (process_function_and_variable_attributes): Set
6092 local.externally_visible rather than externally_visible.
6095 * c-common.c (handle_externally_visible_attribute): First look
6096 at TREE_CODE and only if it is function or var decl, check for
6097 non-public objects. Don't warn for DECL_EXTERNAL.
6098 * cgraphunit.c (process_function_and_variable_attributes): Warn
6099 if externally_visible attribute is used on non-public object.
6101 2006-08-17 Jan Hubicka <jh@suse.cz>
6103 PR tree-optimization/27865
6104 * reload1.c (forget_marked_reloads): New function.
6105 (forget_old_reloads_1): When data are passed, just mark the registers
6107 (reload_as_needed): Use the new mechanizm.
6109 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
6112 * reload.h (reg_equiv_alt_mem_list): New declaration.
6113 * reload1.c (reg_equiv_alt_mem_list): New definition.
6114 (reload): Initialize it and release it.
6115 (delete_output_reload): Use it.
6116 * reload.c (push_reg_equiv_alt_mem): New function.
6117 (find_reloads_toplev): Call it.
6118 (find_reloads_address, find_reloads_address_1): Likewise.
6119 (find_reloads_subreg_address): Likewise.
6121 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6123 PR rtl-optimization/28489
6124 * sched-ebb.c (begin_schedule_ready): Create basic block
6126 (advance_target_bb): Skip empty blocks.
6127 * haifa-sched.c (bb_note): Make global.
6128 * sched-int.h (bb_note): Add prototype.
6130 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6132 PR tree-optimization/27865
6133 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
6135 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
6136 fold_used_pointer, pointer_used_p): New functions.
6137 (analyze_scalar_evolution_1): Use fold_used_pointer.
6138 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
6139 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
6142 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
6145 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
6146 or the INTEGER_CST. Fail on a CALL_EXPR.
6147 (fold_offsetof): Pass new argument to fold_offsetof_1.
6148 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
6149 operand into an INDIRECT_REF.
6150 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
6152 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6154 PR gcov/profile/26570
6155 * value-prof.c (static_values): Removed.
6156 (tree_find_values_to_profile): Do not set static_values.
6157 (find_values_to_profile): Do not free static_values.
6158 * profile.c (instrument_values): Do not free the values.
6159 (branch_prob): Free the values.
6161 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
6163 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
6165 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
6168 * c-typeck.c (build_component_ref): Combine qualifiers of
6169 structure or union and field.
6171 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6173 PR rtl-optimization/28071
6174 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
6175 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
6176 * tree-into-ssa.c (struct dom_dfsnum): New.
6177 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
6179 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
6180 compute_global_livein.
6181 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
6182 in phi nodes in the correct blocks.
6184 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6186 PR tree-optimization/28364
6187 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
6189 (fold_affine_expr): New function.
6190 (may_eliminate_iv): Use fold_affine_expr.
6192 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6195 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
6198 2006-08-16 Mike Stump <mrs@apple.com>
6200 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
6201 * doc/cppopts.texi (-MD): Likewise.
6203 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
6206 * c-common.c (handle_weak_attribute): Ignore and warn if
6207 not a FUNCTION_ or VAR_DECL.
6209 2006-07-15 Mike Stump <mrs@apple.com>
6212 * c-parser.c (c_parser_typeof_specifier): Don't use
6213 c_finish_expr_stmt, open code desired semantics instead.
6215 2006-08-15 Nick Clifton <nickc@redhat.com>
6217 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
6218 fragment to tmake_file only if threads are enabled.
6219 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
6220 * config/i386/t-gthr-win32: New file. ... here.
6222 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6225 * c-parser.c (c_parser_compound_statement_nostart): Reset
6226 parser->error after each statement.
6228 2006-08-15 Jakub Jelinek <jakub@redhat.com>
6231 * omp-low.c (lower_omp_parallel): Convert t to
6232 receiver_decl's type.
6233 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
6234 source before comparison.
6237 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
6238 to itype in assignment to oldival2.
6240 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
6244 * c-typeck.c (build_compound_expr): If the second expression
6245 is an error mark, then just return an error mark instead of
6246 creating a COMPOUND_EXPR.
6248 2006-07-14 Mike Stump <mrs@apple.com>
6250 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
6252 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
6254 * c-decl.c, var-tracking.c: Fix comment typos.
6256 2006-08-14 Richard Sandiford <richard@codesourcery.com>
6258 PR rtl-optimization/28634
6259 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
6260 for floating-point modes unless flag_unsafe_math_optimizations.
6262 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
6263 Andrew Pinski <pinskia@physics.uc.edu>
6266 * tree.c (build_array_type): Unify array types with
6267 unspecified index_type.
6268 * c-decl.c (grokdeclarator): Make sure we do not modify a
6269 unified incomplete array type.
6270 * c-typeck.c (store_init_value): Create distinct type before
6271 filling in the index type in an initializer from a compound
6274 * c-decl.c (grokdeclarator): Remove code where we copy the
6277 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
6279 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
6280 into account for TODO_dump_cgraph.
6281 (TODO_update_ssa_no_phi): Likewise.
6282 (TODO_update_ssa_full_phi): Likewise.
6283 (TODO_update_ssa_only_virtuals): Likewise.
6284 (TODO_remove_unused_locals): Likewise.
6285 (TODO_set_props): Likewise.
6286 (TODO_update_stmt_usage): Likewise.
6288 2006-08-13 Dirk Mueller <dmueller@suse.de>
6290 * c-common.c (strict_aliasing_warning): Fix formatting.
6292 2006-08-13 Matthias Klose <doko@debian.org>
6294 * doc/invoke.texi: Fix spelling errors.
6296 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6298 PR rtl-optimization/23454
6299 * reorg.c (relax_delay_slots): Update comment.
6301 2006-08-11 Richard Guenther <rguenther@suse.de>
6304 * simplify-rtx.c (simplify_const_relational_operation):
6305 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
6308 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
6310 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
6311 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
6313 2006-08-10 Paul Brook <paul@codesourcery.com>
6315 * final.c (final_scan_insn): Clear current_insn_predicate before
6316 outputting inline asm.
6318 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
6320 PR tree-optimization/26197
6321 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
6322 get_ref_base_and_extent and overlap_subvar to add only relevant
6323 subvars as may-aliases.
6324 (add_may_alias_for_new_tag): New function, factored out of
6326 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
6327 with additional argument.
6328 * tree-flow.h (new_type_alias): Takes additional argument.
6330 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
6332 * gcov.c (no_data_file): New flag.
6333 (read_count_file): Set it if data file not present. Assume counts
6335 (output_lines): Don't name the data file, if there wasn't one.
6337 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
6339 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
6340 (rs6000_generate_compare): Tweak comments.
6341 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
6343 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
6345 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
6346 (var_debug_decl): New function.
6347 (var_reg_set): Follow debug decl link. Add location even if
6348 reg is already known to hold some other variable.
6349 (var_mem_set): Follow debug decl link.
6350 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
6351 decl link. Delete other known locations of the variable part
6353 (var_reg_delete, var_mem_delete): Delete other known locations
6354 of the variable part if requested.
6355 (same_variable_part_p): New function.
6356 (add_stores): Select MO_COPY when appropriate.
6357 (vt_initialize): Handle it.
6358 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
6359 known locations for MO_SET and MO_CLOBBER.
6360 (find_variable_location_part): New function.
6361 (set_variable_part, delete_variable_part): Use it.
6362 (clobber_variable_part): New function.
6363 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
6366 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
6368 PR tree-optimization/26969
6369 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
6370 with an empty list of PHIs.
6372 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
6376 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
6379 2006-08-06 Andreas Schwab <schwab@suse.de>
6381 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
6382 string. Whitespace and comment fixup.
6384 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6387 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
6391 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
6394 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
6396 2006-08-04 Jan Hubicka <jh@suse.cz>
6400 * reload.c (push_reload): Patch out the mismatching instruction;
6402 (find_reload): Bail out if the instruction was patched out.
6404 2006-08-04 Jan Hubicka <jh@suse.cz>
6406 PR tree-optimization/24888
6407 * tree-inline.c (expand_call_inline): Do not re-record variables.
6408 (declare_inline_vars): Add variable to unexpanded_var_list.
6410 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6411 Roger Sayle <roger@eyesopen.com>
6413 PR rtl-optimization/26244
6414 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
6415 inner_const are negative or greater than or equal to the bitsize of
6416 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
6417 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
6418 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
6419 CONST0_RTX (mode) when the new shift count is greater than or equal to
6420 to the bitsize of the object being shifted and XEXP (y, 0) has no side
6423 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
6425 * tree-cfg.c: Fix a comment typo.
6427 2006-08-03 Mark Mitchell <mark@codesourcery.com>
6430 * varasm.c (output_constant): Give the front end another chance to
6431 expand constants, after stripping NOPs.
6433 2006-08-03 Jan Hubicka <jh@suse.cz>
6435 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
6438 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
6440 PR tree-optimization/27770
6441 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
6442 declaration removed (moved to tree-flow.h).
6443 (vect_can_force_dr_alignment_p): Likewise.
6444 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
6445 (moved from tree-vectorizer.h).
6446 (vect_can_force_dr_alignment_p): Likewise.
6447 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
6448 from outside the vectorizer - in particular from cgraph stage.
6449 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
6450 the alignment of global arrays when -fsection-anchors is enabled.
6451 * cgraphunit.c (cgraph_increase_alignment): New function.
6452 (cgraph_optimize): Call cgraph_increase_alignment.
6454 2006-08-03 David Edelsohn <edelsohn@gnu.org>
6457 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
6458 not reload a SPE symbol_ref into a lo_sum address.
6460 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
6463 * dwarf2out.c (prune_unused_types_prune): Move call to
6464 prune_unused_types_update_strings to cover the parent DIE also.
6466 2006-08-02 Jan Hubicka <jh@suse.cz>
6468 PR gcov/profile/28480
6469 * tree-cfg.c (change_bb_for_stmt): New function.
6470 (tree_merge_blocks, tree_split_blocks): Use it.
6472 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6478 * toplev.c (compile_file): Return early on errorcount or sorrycount.
6479 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
6480 (cgraph_optimize): Likewise.
6482 2006-08-01 Stuart Hastings <stuart@apple.com>
6484 * rtl.h (UINTVAL) New.
6485 * config/rs6000/rs6000.c (SMALL_INT) Use it.
6486 * testsuite/gcc.dg/20060801-1.c: New.
6488 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
6491 * c-typeck.c (build_external_type): Mark used enum types.
6492 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
6494 (gen_subprogram_die): Whitespace fix.
6496 2006-08-01 Jan Hubicka <jh@suse.cz>
6498 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
6499 bitmap when not needed.
6500 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
6503 2006-08-01 Dirk Mueller <dmueller@suse.de>
6505 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
6507 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6509 * Makefile.in: Revert part of previous patch:
6510 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
6513 2006-07-30 Eric Christopher <echristo@apple.com>
6516 * doc/extend.texi (i386 Variable Attributes): Add anchor.
6517 (PowerPC Variable Attributes): New section.
6519 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
6521 PR target/28126 (partial fix)
6522 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
6524 2006-07-28 Jan Hubicka <jh@suse.cz>
6526 PR rtl-optimization/28071
6527 * cfgrtl.c (rtl_delete_block): Free regsets.
6528 * flow.c (allocate_bb_life_data): Re-use regsets if available.
6530 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6532 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
6533 and variables used in dependencies.
6535 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
6537 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
6538 %fs for -mcmodel=kernel.
6539 (stack_tls_protect_test_di): Likewise.
6541 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
6543 * Makefile.in: Use mkinstalldirs.
6545 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
6548 * opts-common.c (prune_options): Skip joined switches.
6550 2006-07-27 Jan Hubicka <jh@suse.cz>
6552 PR rtl-optimization/28071
6553 * cselib.c (cselib_process_insn): Don't remove useless values too
6554 often for very large hashtables.
6556 2006-07-27 Jan Hubicka <jh@suse.cz>
6558 PR rtl-optimization/28071
6559 * global.c (greg_obstack): New obstack.
6560 (allocate_bb_info): Use it.
6561 (free_bb_info): Likewise.
6562 (modify_reg_pav): Likewise.
6564 2006-07-27 Roger Sayle <roger@eyesopen.com>
6566 * builtins.c (fold_fixed_mathfn): When long and long long are the
6567 same size, canonicalize llceil*, llfloor*, llround* and llrint*
6568 functions to their lceil*, lfloor*, lround* and lrint* forms.
6570 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6573 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
6575 (rev_branch_insn): Likewise.
6577 2006-07-27 Jan Hubicka <jh@suse.cz>
6579 PR rtl-optimization/28071
6580 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
6581 (reg_set_in_bb, max_reg_computed): New static variables.
6582 (regmove_optimize): Free the new array.
6583 (fixup_match_1): Update call of reg_is_remote_constant_p.
6585 2006-07-26 Jan Hubicka <jh@suse.cz>
6587 PR tree-optimization/27882
6588 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
6590 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
6592 (cgraph_analyze_compilation_unit): Likewise.
6593 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
6594 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
6595 (cgraph_early_inlinine): Make order garbage collected.
6596 * Makefile.in (gt-ipa-inline): New garbagecollected file.
6598 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6600 * dbxout.c (output_types_sort): Add a comment.
6601 (output_used_types): Free the VEC.
6603 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6605 * function.c (reorder_fix_fragments): Delete.
6606 (reorder_blocks): Don't call it.
6607 (reorder_blocks_1): Put all subblocks under the origin block.
6609 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
6611 PR rtl-optimization/27907
6612 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
6615 2006-07-25 Roger Sayle <roger@eyesopen.com>
6618 * convert.c (convert_to_integer): When transforming (T)foo(x) into
6619 bar(x) check that bar's result type can represent all the values of T.
6621 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
6623 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
6625 2006-07-25 Nick Clifton <nickc@redhat.com>
6627 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
6628 size_lookup[] array.
6629 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
6630 (ggc_pch_count_object): Likewise.
6631 (ggc_pch_alloc_object): Likewise.
6632 (ggc_pch_write_object): Likewise.
6633 (init_ggc): Do not attempt to initialize entries in the
6634 size_lookup[] array for objects whose size is greater than than
6635 the length of the array.
6637 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
6639 * dbxout.c (output_used_types_helper): Push queued types
6641 (output_types_sort): New.
6642 (output_used_types): Collect used types on a VEC and sort them
6645 2006-07-24 Richard Guenther <rguenther@suse.de>
6648 * cgraph.c (cgraph_remove_node): Do not check if dumps
6650 * cgraphunit.c (cgraph_optimize): Likewise.
6652 2006-07-24 Jan Hubicka <jh@suse.cz>
6654 PR rtl-optimization/28071
6655 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
6656 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
6657 splitting before first stmt.
6659 2006-07-24 Jan Hubicka <jh@suse.cz>
6661 PR rtl-optimization/28071
6662 * ipa-inline.c (update_caller_keys): Remove edges that
6663 are no longer inline candidates.
6665 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
6668 * dbxout.c (output_used_types_helper, output_used_types): New.
6669 (dbxout_symbol): Call output_used_types.
6671 2006-07-23 Jan Hubicka <jh@suse.cz>
6675 * cgraph.c (cgraph_varpool_nodes): Export.
6676 (decide_is_variable_needed): Ignored "used" attribute in
6677 unit-at-a-time mode.
6678 * cgraph.h (cgraph_varpool_nodes): Declare.
6679 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
6680 unit-at-a-time mode.
6682 2006-07-23 Roger Sayle <roger@eyesopen.com>
6685 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
6686 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
6687 the __gthrw form of thr_keycreate.
6688 (__gthread_key_delete): Silence the unused argument warning.
6690 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
6693 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
6694 Cache the last found '\0' marker to avoid quadratic behavior.
6696 2006-07-23 Jan Hubicka <jh@suse.cz>
6698 * i386.md (subsi_3_zext): Fix output template.
6700 2006-07-21 Mike Stump <mrs@apple.com>
6702 * doc/invoke.texi (C++ Dialect Options): Note that
6703 -fvisibility-inlines-hidden doesn't affect explicitly
6704 instantiationed inline methods.
6706 2006-07-20 Roger Sayle <roger@eyesopen.com>
6708 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
6709 if the target assembler is GNU binutils' gas.
6710 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
6711 whether to pass GNU gas or native as command line options.
6713 2006-07-20 Jason Merrill <jason@redhat.com>
6715 * tree.c (remove_attribute): New fn.
6716 * tree.h: Declare it.
6718 2006-07-20 Paul Brook <paul@codesourcery.com>
6721 * cse.c (cse_insn): Add destination addresses to hash table. Check if
6722 they are invalidated by this instruction.
6724 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
6727 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
6729 2006-07-20 Eric Christopher <echristo@apple.com>
6732 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
6734 2006-07-19 Eric Christopher <echristo@apple.com>
6736 * config/t-slibgcc-darwin (stmp-lipo): Remove.
6737 Rewrite dependencies for libgcc_s.1.dylib.
6739 2006-07-19 Jakub Jelinek <jakub@redhat.com>
6741 * except.c (duplicate_eh_regions_1): Clear next_peer.
6743 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
6745 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
6746 -mlongcall does not guarantee all calls will be long.
6747 * doc/extend.texi (long_call/short_call): Document that longcall
6748 does not guarantee a long call will be used.
6749 (longcall/shortcall): Likewise.
6751 2006-07-18 Roger Sayle <roger@eyesopen.com>
6754 * expmed.c (expand_shift): Additionally check that the shift_cost
6755 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
6756 before implementing a LSHIFT_EXPR as a sequence of additions.
6757 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
6758 middle-end that DImode shifts need to be synthesized by expand.
6760 2006-07-18 Diego Novillo <dnovillo@redhat.com>
6763 * tree-ssa-operands.c (access_can_touch_variable): Update
6765 Return true if ALIAS is .GLOBAL_VAR.
6767 2006-07-18 David Daney <ddaney@avtrex.com>
6769 * gcc.c (display_help): Fix typo in help text.
6771 2006-07-18 Olivier Hainque <hainque@adacore.com>
6773 * tree.h (categorize_ctor_elements): Adjust prototype and add
6774 descriptive comment, both in accordance with the interface change
6776 * varasm.c (constructor_static_from_elts_p): New function.
6777 Whether a constructor node is a valid static constant initializer
6778 if all its elements are.
6779 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
6780 * output.h: Declare it.
6781 * expr.c (categorize_ctor_elements_1): Return whether the constructor
6782 is a valid constant initializer instead of computing the number of
6783 non-constant elements. Use constructor_static_from_elts_p for this
6784 purpose. Replace the head comment with an indication that this is a
6785 helper for categorize_ctor_elements.
6786 (categorize_ctor_elements): Same interface change as for the _1
6787 helper. Former head comment from this helper moved here, adjusted to
6788 account for the interface changes.
6789 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
6790 (all_zeros_p): Likewise.
6791 * gimplify.c (gimplify_init_constructor): Decide whether we can make
6792 static versions of the constructor from the categorize_ctor_elements
6793 return value instead of the formerly computed number of non-constant
6796 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
6798 * configure: Regenerate.
6799 * Makefile.in (build_libsubdir): New configure substitution
6800 (build_libobjdir): New variable.
6801 (BUILD_LIBIBERTY): Use it.
6803 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6806 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
6808 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
6811 * c-common.c (handle_weakref_attribute): Ignore attribute in
6812 the same conditions the alias attribute is ignored.
6814 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
6816 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
6817 (dbxout_begin_prologue): Increment scope_labelno.
6819 2006-07-17 Richard Henderson <rth@redhat.com>
6822 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
6825 2006-07-17 Roger Sayle <roger@eyesopen.com>
6826 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6828 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
6829 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
6830 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
6831 functions such as sbrk, write, etc.. Add function prototypes.
6832 Convert function declarations from K&R to ISO C. Cast pointers
6833 to "long" and "unsigned long" instead of "int" and "unsigned int".
6834 Convert tokens following #endif into comments.
6836 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
6838 * invoke.texi: Remove mention of f77; Reformat table for
6839 inline parameter options correctly; mention that -malign-double
6840 is default on x86-64 targets.
6842 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
6844 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
6845 (convert_affine_scev, chrec_convert_aggressive): Use
6846 avoid_arithmetics_in_type_p. Do not check for the subtypes
6849 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6852 * optabs.c (expand_doubleword_shift): Wrap the call to
6853 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
6855 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6858 * optabs.c (expand_binop): Pass next_methods rather than methods
6859 to expand_doubleword_shift.
6861 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
6864 * tree.h (dump_addr): Declare.
6865 * print-tree.c (dump_addr): New function.
6866 (print_node_brief, print_node): Use it.
6867 * print-rtl.c (print_rtx): Likewise.
6868 * common.opt (-fdump-noaddr): New option.
6869 * doc/invoke.texi (-fdump-noaddr): Document.
6870 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
6871 (ve_info_hash): Likewise.
6873 2006-07-13 Andrew Haley <aph@redhat.com>
6875 PR tree-optimization/19505
6876 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
6877 edge leaving this block, make sure that the destination of this
6878 block has only one predecessor.
6880 2006-07-17 Richard Guenther <rguenther@suse.de>
6882 PR tree-optimization/28238
6883 * tree-inline.c (copy_bb): Check if we produced valid
6884 gimple copying and substituting a stmt. If not, gimplify
6887 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
6889 * optabs.c (maybe_encapsulate_block): New function extracted from...
6890 (emit_libcall_block): ...here. Invoke it on the block of insns to
6891 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
6892 (emit_no_conflict_block): Likewise.
6894 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6896 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
6898 2006-07-15 Roger Sayle <roger@eyesopen.com>
6900 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
6901 a new NOP_EXPR case of the switch statement.
6903 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
6906 * stor-layout.c (place_field): Take the bit field with
6907 an excessive size into account in the ms-bitfiled case.
6910 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
6911 the previous bit field.
6913 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
6916 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
6918 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
6920 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
6921 signal frames correctly even when the signal was installed with
6924 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
6926 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
6927 (dbxout_function_end): Use local label LFBB. Remove hook
6929 (dbxout_source_line): Use local label LFBB.
6930 (dbxout_block): Likewise.
6931 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
6932 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
6933 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
6934 and DBX_OUTPUT_NFUN.
6936 2006-07-13 Janis Johnson <janis187@us.ibm.com>
6938 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
6940 2006-07-13 Jan Hubicka <jh@suse.cz>
6942 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
6944 * output.h (align_variable): Declare.
6945 * varasm.c (align_variable): Export.
6946 * value-prof.c (tree_value_profile_transformations): Recompute iterator
6947 when basic block changed.
6949 2006-07-13 Nick Clifton <nickc@redhat.com>
6951 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
6952 walking the LOG_LINKS chain.
6954 2006-07-12 Geoffrey Keating <geoffk@apple.com>
6956 * doc/invoke.texi (C++ Dialect Options): Explain difference
6957 between -fvisibility-inlines-hidden and setting hidden
6958 visibility explicitly.
6960 2006-07-12 Eric Christopher <echristo@apple.com>
6962 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
6963 (stmp-lipo): Depend on libgcc.a.
6965 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
6967 * tree.c: Fix a comment typo.
6969 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
6971 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
6973 (umulhisi3_r): Likewise.
6975 2006-07-12 Paolo Carlini <pcarlini@suse.de>
6978 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
6979 x < 19, vs wchar_t support.
6981 2006-07-12 Nick Clifton <nickc@redhat.com>
6983 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
6984 instead of -isa=sh4.
6986 2006-07-12 Mike Stump <mrs@apple.com>
6988 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
6990 2006-07-10 Eric Christopher <echristo@apple.com>
6992 * config/t-slibgcc-darwin: Rewrite.
6994 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
6997 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
7000 2006-07-08 Matthias Klose <doko@debian.org>
7002 * doc/sourcebuild.texi: Fix typo.
7004 2006-07-07 Mike Stump <mrs@apple.com>
7006 * toplev.c (process_options): Don't give -ffunction-sections may
7007 affect debugging warning for Mach-O.
7009 2006-07-07 James E Wilson <wilson@specifix.com>
7011 * config/mips/mips.md (cpu): Add sb1a.
7012 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
7013 addition to sb1. Adjust comments to clarify SB-1A differences from
7015 (ir_sb1a_load): New. Modify bypasses to use it.
7016 (ir_sb1a_simple_alu): Likewise.
7017 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
7018 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
7019 (mips_issue_rate): Add PROCESSOR_SB1A.
7020 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
7021 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
7022 (TARGET_SB1): Add PROCESSOR_SB1A check.
7023 (TUNE_SB1): Likewise.
7025 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
7026 * config/mips/mips.c (mips_store_data_bypass_p): New.
7027 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
7028 store_data_bypass_p.
7030 2006-07-08 Paul Brook <paul@codesourcery.com>
7033 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
7035 2006-07-07 Richard Guenther <rguenther@suse.de>
7038 * tree.h (build_one_cst): Declare.
7039 * tree.c (build_one_cst): New function.
7040 * tree-ssa-math-opts.c (get_constant_one): Remove.
7041 (insert_reciprocals): Use build_one_cst.
7042 * fold-const.c (fold_plusminus_mult): Likewise.
7044 2006-07-07 Roger Sayle <roger@eyesopen.com>
7046 * pointer-set.c (pointer_set_destroy): Correct whitespace.
7047 * cfgloopanal.c (dump_graph): Likewise.
7048 * dojump.c (discard_pending_stack_adjust): Likewise.
7049 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
7051 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
7052 * function.c (finalize_block_changes): Likewise.
7053 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
7054 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
7055 * rtl.c (dump_rtx_statistics): Likewise.
7056 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
7058 * varray.c (dump_varray_statistics): Likewise.
7059 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
7060 decode_decimal64, encode_decimal128, decode_decimal128,
7061 decimal_real_to_decimal): Likewise.
7063 2006-07-07 Richard Guenther <rguenther@suse.de>
7065 PR tree-optimization/28187
7066 * tree-vrp.c (vrp_operand_equal_p): New function.
7067 (vrp_bitmap_equal_p): Likewise.
7068 (update_value_range): Use them to compare old and new
7071 2006-07-06 Roger Sayle <roger@eyesopen.com>
7073 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
7074 a default case to switch statement to silence compiler warnings.
7076 2006-07-06 Roger Sayle <roger@eyesopen.com>
7079 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
7080 the configured assembler supports the x87's ffreep mnemonic.
7081 * configure: Regenerate.
7082 * config.in: Regenerate.
7084 * config/i386/i386.c (output_387_ffreep): New function.
7085 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
7086 (output_387_reg_move): Likewise.
7088 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
7090 Port to hosts whose 'sort' and 'tail' implementations
7091 treat operands with leading '+' as file names, as POSIX
7092 has required since 2001. However, make sure the code still
7093 works on pre-POSIX hosts.
7094 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
7095 which says you should use "tail -c +N" rather than "tail +Nc".
7096 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
7098 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
7100 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
7103 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7106 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
7107 PRE_{INC,DEC} of TFmode.
7109 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7110 Alan Modra <amodra@bigpond.net.au>
7113 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
7116 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7119 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
7120 Remove duplicate gtu.
7122 2006-07-05 Jason Merrill <jason@redhat.com>
7126 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
7127 * c-common.c (handle_packed_attribute): So don't copy it here.
7128 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
7130 2006-07-05 Mike Stump <mrs@apple.com>
7132 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
7134 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
7137 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
7139 2006-07-05 Richard Guenther <rguenther@suse.de>
7142 * config/i386/i386.md (*negdf2_1): Restrict pattern to
7143 TARGET_SSE2 targets if using SSE math.
7144 (*absdf2_1): Likewise.
7146 2006-07-05 Richard Guenther <rguenther@suse.de>
7148 PR tree-optimization/28162
7149 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
7150 make sure to convert the operands to the correct type.
7152 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
7154 PR tree-optimization/28218
7156 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
7157 to calculate and free the dominator information.
7159 2006-07-04 Peter O'Gorman <peter@pogma.com>
7161 * mklibgcc.in: chmod 644 before ranlib during install.
7163 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
7164 J"orn Rennecke <joern.rennecke@st.com>
7166 * configure.ac (.eh_frame data check): Use diff -b.
7168 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
7171 * Makefile.in (BUILD_RTL): Add build/vec.o.
7172 (build/gencondmd.o): Filter out -fkeep-inline-functions.
7173 (build/genextract): Delete.
7174 (build/genautomata): Likewise.
7176 2006-07-04 Alan Modra <amodra@bigpond.net.au>
7179 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
7180 128-bit IBM long doubles for ABI_V4.
7182 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
7184 * tree.c (range_in_array_bounds_p): New predicate.
7185 * tree.h (range_in_array_bounds_p): Declare it.
7186 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
7187 return a less conservative answer.
7188 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
7189 and flag 'is_group'.
7190 (IS_ELEMENT_FOR_GROUP): New macro.
7191 (FOR_EACH_ACTUAL_CHILD): Likewise.
7192 (next_child_for_group): New helper function.
7193 (can_completely_scalarize_p): Take into account groups.
7194 (sra_hash_tree): Handle RANGE_EXPR.
7195 (sra_elt_eq): Likewise.
7196 (lookup_element): Be prepared for handling groups.
7197 (is_valid_const_index): Delete.
7198 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
7199 instead of is_valid_const_index.
7200 <ARRAY_RANGE_REF>: New case.
7201 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
7202 is_valid_const_index.
7203 <ARRAY_RANGE_REF>: Do not unconditionally punt.
7204 (scan_dump): Dump info for groups too.
7205 (decide_instantiation_1): Likewise.
7206 (decide_block_copy): Assert that the element is not a group.
7207 Propagate decision to groups.
7208 (generate_one_element_ref): Handle RANGE_EXPR.
7209 (mark_no_warning): Iterate over actual childs.
7210 (generate_copy_inout): Likewise.
7211 (generate_element_copy): Likewise.
7212 (generate_element_zero): Likewise.
7213 (generate_element_init_1): Likewise.
7214 (dump_sra_elt_name): Handle RANGE_EXPR.
7216 2006-07-03 Roger Sayle <roger@eyesopen.com>
7218 PR tree-optimization/26251
7219 * tree-ssa-threadupdate.c (redirection_block_p): New function.
7220 (thread_block): When optimizing for size refuse to thread jumps
7221 that would require duplication of blocks other than redirection
7224 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7226 * configure.ac: Fix thinko in previous check-in.
7227 * configure: Regenerate.
7229 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7232 * configure.ac (for lang...): Simplify nesting of conditionals.
7233 Test subdir_requires for non-enabled languages. Move processing
7234 of lang_opt_files and lang_tree_fiels below that test.
7235 * configure: Regenerate.
7236 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
7238 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
7240 * doc/gcov.texi (Invoking Gcov): Add a missing word.
7242 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
7244 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
7247 2006-06-29 Jason Merrill <jason@redhat.com>
7254 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
7255 * c-common.c (c_determine_visibility): Handle it here.
7256 * c-decl.c (finish_decl): Call c_determine_visibility for
7258 * flags.h (enum symbol_visibility): Sort from most to least visibility.
7260 * varasm.c (default_assemble_visibility): Likewise.
7261 * c-common.c (handle_visibility_attribute): Complain about trying
7262 to give visibility to an already defined class, or trying to change
7263 declared visibility. Always attach the attribute.
7268 * attribs.c (decl_attributes): Ignore type-in-place attributes
7269 once the type has been defined.
7271 2006-06-29 Roger Sayle <roger@eyesopen.com>
7274 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
7275 to indicate the cpplib has issued an error message for us.
7277 2006-06-29 Asher Langton <langton2@llnl.gov>
7280 * config/i386/i386.c (ix86_output_function_epilogue): Don't
7281 insert a label at the end of an function under Mach-O.
7283 2006-06-29 Eric Christopher <echristo@apple.com>
7284 Evan Cheng <evan.cheng@apple.com>
7286 * predicates.md (vector_all_ones_operand): New.
7287 (nonimmediate_or_sse_const_operand): Ditto.
7288 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
7289 * config/i386/i386.c (standard_sse_constant_opcode): Define.
7290 (standard_sse_mode_p): Ditto.
7291 (standard_sse_constant_p): Add case for -1 vector.
7292 (ix86_expand_vector_move): Try to use.
7293 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
7294 Call standard_sse_constant_opcode.
7295 (*movv4sf_internal): Ditto.
7296 (*movv2df_internal): Ditto.
7298 2006-06-29 Roger Sayle <roger@eyesopen.com>
7300 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
7301 of XEXP to extract the operands of a MATCH_CODE rtx.
7303 2006-06-28 Andrew Pinski <pinskia@gmail.com>
7305 * tree.c (tree_size): Do not waste tail padding in
7306 struct tree_string and make the size be the same as
7307 build_string will generate.
7309 2006-06-28 Jason Merrill <jason@redhat.com>
7312 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
7313 may_aliases already in the tag's annotations to the bitmap.
7315 2006-06-28 Roger Sayle <roger@eyesopen.com>
7317 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
7319 2006-06-28 Roger Sayle <roger@eyesopen.com>
7321 * genpreds.c (generate_switch_p): New function.
7322 (add_mode_tests): Push the new mode test down inside an AND expr
7323 if this allows the switch-suitable MATCH_CODE to be near the root.
7324 (write_match_code_switch): New function to write a MATCH_CODE as
7326 (write_predicate_stmts): New function to write a predicate RTX
7327 expression as a sequence of statements.
7328 (write_one_predicate_function): Use write_predicate_stmts.
7329 (write_tm_constrs_h): Likewise.
7331 2006-06-26 Fred Fish <fnf@specifix.com>
7333 * config/mips/t-sb1: New file.
7334 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
7337 2006-06-26 DJ Delorie <dj@redhat.com>
7339 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
7341 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
7342 Jayant Sonar <jayants@kpitcummins.com>
7343 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
7345 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
7346 (subsi3, subsi3_1, subsi3_2): New.
7347 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
7348 * config/m32c/mov.md (SI mov peephole): New.
7349 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
7350 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
7352 2006-06-26 Olivier Hainque <hainque@adacore.com>
7354 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
7355 a CALL_EXPR target function declaration.
7357 2006-06-26 Richard Guenther <rguenther@suse.de>
7359 * tree.c (build_string): Do not waste tail padding in
7362 2006-06-26 Richard Guenther <rguenther@suse.de>
7364 * ggc-page.c (init_ggc): Add missing element to size_lookup
7368 2006-06-23 Richard Guenther <rguenther@suse.de>
7370 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7371 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7372 alignment requests instead. Add verification code.
7373 Add struct tree_function_decl and struct tree_binfo size to
7374 extra_order_size_table. Add missing element to size_lookup
7377 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
7380 * fold-const.c (const_binop): Be prepared for self returning zero.
7381 Simplify code handling complex values.
7383 2006-06-24 Olivier Hainque <hainque@adacore.com>
7385 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
7386 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
7389 2006-06-24 Olivier Hainque <hainque@adacore.com>
7391 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
7392 ARRAY_REF, so have the callback called for the low bound expression.
7394 2006-06-23 Janis Johnson <janis187@us.ibm.com>
7396 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
7397 * c-typeck.c (c_common_type): Disallow operations on decimal float
7398 types and other float types.
7399 * convert.c (convert_to_real): Don't ignore conversions involving
7400 decimal float types.
7402 2006-06-23 Olivier Hainque <hainque@adacore.com>
7404 * tree.c (max_int_size_in_bytes): New function, inspired from
7405 code in function.c:assign_temp.
7406 * tree.h (max_int_size_in_bytes): Declare.
7407 * function.c (assign_temp): Use it.
7408 * gimplify.c (create_tmp_var): Relax the assertions on the type
7409 properties, not mandating constant size any more.
7410 (force_constant_size): New static function.
7411 (gimple_add_tmp_var): Use it, forcing variable size to a
7412 constant upper bound if it is not constant on entry.
7414 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
7417 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
7418 for initialization and setting of one_only flag to ...
7419 (i386_pe_encode_section_info): ...here.
7420 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
7421 Recheck that the symbol has not been defined.
7423 2006-06-23 Richard Guenther <rguenther@suse.de>
7425 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7426 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7427 alignment requests instead. Add verification code.
7428 Add struct tree_function_decl and struct tree_binfo size to
7429 extra_order_size_table. Add missing element to size_lookup
7432 2006-06-22 Roger Sayle <roger@eyesopen.com>
7433 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7436 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
7437 call to lang_hooks.types.type_for_mode returned NULL_TREE.
7439 2006-06-23 Ben Elliston <bje@au.ibm.com>
7441 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
7442 negate dn -- manipulate it directly.
7444 2006-06-22 Roger Sayle <roger@eyesopen.com>
7445 Steven Bosscher <stevenb.gcc@gmail.com>
7448 * reload1.c (gen_reload): Call mark_jump_label on the new insns
7449 generated by gen_move_insn to add REG_LABEL notes if necessary.
7451 2006-06-22 Bob Wilson <bob.wilson@acm.org>
7453 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
7454 (leaf_entry): Remove use of MIN_ESA.
7456 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
7458 PR rtl-optimization/28121
7459 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
7462 2006-06-21 DJ Delorie <dj@redhat.com>
7464 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
7466 (mulhisi3_r): Likewise.
7468 2006-06-21 Richard Sandiford <richard@codesourcery.com>
7471 * coverage.c (coverage_counter_alloc): Leave the index type
7473 (coverage_counter_alloc): Use null arguments for operands 2 and 3
7476 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
7478 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
7479 section from the "Options for Code Generation Conventions".
7481 2006-06-21 Richard Henderson <rth@redhat.com>
7485 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
7487 (global_symbolic_operand): Allow weak symbols, even if local_p.
7489 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
7491 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
7492 (find_interesting_uses_address): Punt if above function returns true.
7494 2006-06-21 Richard Guenther <rguenther@suse.de>
7496 * configure: Regenerated.
7498 2006-06-21 Joseph Myers <joseph@codesourcery.com>
7500 * config/mips/mips.c (function_arg): Where one part of a
7501 complex argument is in registers and the other part in the stack,
7502 return a REG not a PARALLEL.
7504 2006-06-21 Mark Mitchell <mark@codesourcery.com>
7506 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
7507 when cross-compiling. Do not substitute libstdcxx_incdir.
7508 * configure: Regenerated.
7510 2006-06-21 Jakub Jelinek <jakub@redhat.com>
7512 * varasm.c (mergeable_string_section): Check for embedded NULs and
7513 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
7514 rather than TREE_STRING_LENGTH bytes.
7516 2006-06-21 Richard Guenther <rguenther@suse.de>
7518 * ggc-page.c (extra_order_size_table): Add var_ann_d,
7519 tree_ssa_name, bitmap_element and phi_node with 4 arguments
7522 2006-06-21 Richrad Guenther <rguenther@suse.de>
7524 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
7525 Limit iteration over the dominators.
7527 2006-06-20 Roger Sayle <roger@eyesopen.com>
7529 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
7530 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
7532 2006-06-20 Richard Guenther <rguenther@suse.de>
7533 Michael Matz <matz@suse.de>
7535 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
7537 * alloc-pool.c (free_alloc_pool_if_empty): New function.
7538 * et-forest.h (et_free_pools): Prototype new function.
7539 * et-forest.c (et_free_tree_force): Free parent occurrence.
7540 (et_free_pools): New function.
7541 * dominance.c (free_dominance_info): Free et-forest alloc
7544 2006-06-20 Roger Sayle <roger@eyesopen.com>
7546 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
7547 integer modes, attempt to directly construct an integer constant.
7549 * fold-const.c (native_encode_vector): Determine the size of each
7550 element from the vector type instead of the first vector element.
7552 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
7553 if all of its elements/components are constant.
7554 (build_constructor_from_list): Likewise.
7556 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
7558 PR tree-optimization/27331
7559 * tree-data-ref.c (free_data_ref): New function.
7560 (create_data_ref): Fail if the data reference has unknown access
7562 (free_data_refs): Use free_data_ref.
7564 2006-06-19 Andrew Pinski <pinskia@gmail.com>
7567 * tree-inline.c (setup_one_parameter): Strip useless
7568 type conversion before adding it to the IR.
7569 (declare_return_variable): Likewise.
7571 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
7574 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
7576 2006-06-19 Mike Stump <mrs@apple.com>
7578 * tree.c (variably_modified_type_p): VM arguments don't make the
7581 2006-06-19 Richard Guenther <rguenther@suse.de>
7583 * tree-ssa-pre.c (try_combine_conversion): Strip useless
7584 type conversions after folding.
7586 2006-06-19 Richard Guenther <rguenther@suse.de>
7588 * ggc-page.c (extra_order_size_tab): Add entries with
7589 size of struct function and basic_block.
7590 (size_lookup): Extend to cover sizes up to 511.
7591 (ggc_alloc_stat): Adjust user.
7592 (ggc_pch_count_object): Likewise.
7593 (ggc_pch_alloc_object): Likewise.
7594 (ggc_pch_write_object): Likewise.
7596 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
7598 * tree-ssa-loop-niter.c (implies_ge_p): New function.
7599 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
7602 2006-06-19 Denis Chertykov <denisc@overta.ru>
7604 * config/avr/libgcc.S : Correct my wrong previous commit.
7606 2006-06-19 Roger Sayle <roger@eyesopen.com>
7609 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
7610 have stripped a SUBREG from the shift count, so we may need to
7611 convert_to_mode back to the type's mode before calling make_tree.
7612 Use new_amount instead of amount to avoid expanding a tree twice.
7614 2006-06-19 Richard Guenther <rguenther@suse.de>
7617 * fold-const.c (operand_equal_p): Check if the argument types
7618 have the same precision before stripping NOPs.
7620 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
7622 Fix PR tree-optimization/27341
7623 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
7625 * tree-complex.c (pass_lower_complex): Update SMT usage.
7627 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
7629 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
7630 Add a new alternative to the constraint strings. Add move of
7631 operand 1 to 3 to the splitter definition.
7632 ("doloop_si_long"): Second contraint alternative removed.
7634 2006-06-08 Anatoly Sokolov <aesok@post.ru>
7636 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
7637 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
7639 (AVR_HAVE_MOVW) Define.
7640 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
7641 (ASM_SPEC): Add avr25.
7642 (LINK_SPEC): Add avr25.
7643 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
7644 (base_arch_s): Add new member 'have_movw_lpmx'.
7645 (avr_arch_types): Init 'have_movw_lpmx'.
7646 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
7647 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
7648 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
7649 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
7650 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
7652 (avr_file_start): Do not output '.arh' derective.
7653 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
7654 (__do_copy_data): Use __AVR_HAVE_LPMX__.
7655 * config/avr/avr.md (mcu_enhanced): Delete.
7656 (mcu_have_movw): Define.
7657 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
7658 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
7659 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
7660 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
7661 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
7662 attiny861 and at86rf401 devices.
7664 2006-06-18 Jie Zhang <jie.zhang@analog.com>
7666 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
7669 2006-06-17 Karl Berry <karl@gnu.org>
7671 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
7672 doc/gccint.texi, doc/install.texi (@dircategory): Use
7673 "Software development" instead of "Programming", following
7674 the Free Software Directory.
7676 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
7678 * config/i386/i386.c (legitimate_tls_address)
7679 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
7680 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
7681 (*tls_dynamic_gnu2_combine_64): Likewise.
7683 2006-06-16 Richard Guenther <rguenther@suse.de>
7686 * fold-const.c (negate_expr_p): Do not introduce undefined
7687 overflow in negating INTEGER_CSTs.
7688 (fold_negate_expr): Rename from negate_expr. Revert last
7689 change for folding BIT_NOT_EXPR. Change semantics to
7690 return NULL_TREE for non-simplified negations. Do not
7691 strip type conversions and unify type handling.
7692 (negate_expr): New function, wrap around fold_negate_expr
7693 but ensure building a tree always. Strip type conversions
7694 here, fold to result type.
7695 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
7697 2006-06-16 Roger Sayle <roger@eyesopen.com>
7700 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
7701 that (would) return their results in stack registers.
7703 2006-06-16 Michael Matz <matz@suse.de>
7704 Richard Guenther <rguenther@suse.de>
7706 * fold-const.c (fold_truthop): Only return new tree node if
7707 we canonicalized something.
7709 2006-06-16 Richard Guenther <rguenther@suse.de>
7711 * function.h (enum function_frequency): Move declaration
7712 out of struct function.
7713 (struct function): Move bool fields and the enum to the bitfield
7714 section. Reorder elements to avoid padding. Remove unused
7715 fields left over from the RTL inliner removal.
7716 * function.c (free_after_compilation): Do not zero removed fields.
7717 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
7718 (ipa-type-escape.o): Likewise.
7720 2006-06-16 Richard Guenther <rguenther@suse.de>
7722 * cgraph.h (struct cgraph_local_info): Turn bool elements
7724 (struct cgraph_node): Likewise.
7725 (struct cgraph_varpool_node): Likewise.
7727 2006-06-15 Richard Guenther <rguenther@suse.de>
7729 * fold-const.c (fold_truth_not_expr): Rename from
7730 invert_truthvalue. Give it fold_* semantics to avoid
7732 (invert_truthvalue): New function. Wrapper around
7733 fold_truth_not_expr.
7734 (optimize_minmax_comparison): Avoid creating garbage.
7735 (fold_unary): Use fold_truth_not_expr for folding
7737 (fold_ternary): Replace uses of invert_truthvalue with
7738 fold_truth_not_expr where applicable.
7739 * tree.h (fold_truth_not_expr): Prototype.
7741 2006-06-16 Richard Guenther <rguenther@suse.de>
7743 PR tree-optimization/27781
7744 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
7745 * ipa-pure-const.c (target.h): Include.
7746 (analyze_function): Do not analyze functions that do not
7749 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
7752 * tree-dfa.c (referenced_vars_dup_list): Remove.
7753 (find_referenced_vars): Remove assert.
7754 (referenced_var_check_and_insert): Replace dup list with assert.
7755 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
7756 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
7758 2006-06-15 Richard Guenther <rguenther@suse.de>
7760 * tree-ssa-structalias.c (alias_get_name): Avoid creating
7761 extra unused identifiers if not dumping.
7762 (create_variable_info_for): Likewise.
7764 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
7766 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
7767 (derive_constant_upper_bound): Derive more precise upper bound in
7768 common cases. Return type changed to double_int.
7769 (record_estimate): Reflect the changed return type of
7770 derive_constant_upper_bound.
7771 * double-int.c (double_int_zext, double_int_sext): Fix.
7773 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
7775 * configure.ac (CFLAGS): Get them from the toplevel or from the
7776 configure invocation.
7777 * configure: Regenerate.
7778 * Makefile.in (CFLAGS): Substitute value provided by configure.
7780 2006-06-14 Mark Mitchell <mark@codesourcery.com>
7783 * c-common.h (c_finish_omp_atomic): Adjust declaration.
7784 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
7785 rather than calling add_stmt on it.
7786 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
7788 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
7791 * reload1.c (reload): Remove registers returned by update_eliminables
7792 from used_spill_regs.
7794 2006-06-13 DJ Delorie <dj@redhat.com>
7796 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
7798 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
7800 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
7801 html__strip_dir, html__mkdir_p. Enhance install-html target.
7802 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
7803 * configure: Regenerate.
7805 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
7807 * fold-const.c (fold_cond_expr_with_comparison): Check for
7808 Objective-C++ as language in deciding COND_EXPR transformation.
7810 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
7813 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
7814 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
7815 * config/sh/lib1funcs.h (SL, SL1): Define.
7816 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
7817 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
7818 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
7819 (OBJS_Os_4_200): New variable.
7820 ($(T)libgcc-Os-4-200.a): Use it.
7821 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
7822 when dividing 1 and/or by 0.
7824 2006-06-13 Roger Sayle <roger@eyesopen.com>
7826 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
7827 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
7828 * configure: Regenerate.
7830 2006-06-13 Jie Zhang <jie.zhang@analog.com>
7832 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
7833 for real instruction.
7835 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7838 * haifa-sched.c (check_cfg): Handle special case.
7840 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
7843 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
7844 Add debug_info parameter. Chain the vars to the BLOCK instead
7845 of the BIND_EXPR if debug info are requested for them.
7846 (pop_gimplify_context): Adjust for above change.
7847 (gimple_add_tmp_var): Likewise.
7848 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
7850 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
7851 (convert_local_reference): Likewise.
7852 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
7853 (finalize_nesting_tree_1): Request that debug info be emitted
7854 for debug_var_chain.
7856 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7858 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
7859 for PR target/27863.
7861 2006-06-13 Richard Guenther <rguenther@suse.de>
7864 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
7866 2006-06-13 Richard Guenther <rguenther@suse.de>
7868 PR tree-optimization/27830
7869 * tree-inline.c (copy_body_r): For copying the operand
7870 of an ADDR_EXPR make sure to fold &* afterwards.
7872 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
7874 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
7875 lvalues in the fb_none case with side-effects.
7877 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
7879 * tree-flow.h: Remove the prototype for
7880 compute_phi_arg_on_exit.
7881 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
7882 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
7885 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
7887 * builtins.c (expand_builtin_return_addr): Only use
7888 frame_pointer_rtx when count == 0 and we are expanding
7889 __builtin_return_address.
7891 2006-06-12 Fred Fish <fnf@specifix.com>
7893 * config/mips/mips.c (mips_file_start): Create special section
7894 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
7896 2006-06-11 Eric Christopher <echristo@apple.com>
7899 * stor-layout.c (place_field): Remove check for
7900 remaining_in_alignment when aligning at the end of a run.
7902 2006-06-11 Eric Christopher <echristo@apple.com>
7905 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
7908 2006-06-11 Roger Sayle <roger@eyesopen.com>
7911 Revert incorrect fix for PR target/27158
7912 2006-05-08 Roger Sayle <roger@eyesopen.com>
7913 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7914 of a reg_equiv_constant if the result is a legitimate constant.
7916 2006-06-11 Roger Sayle <roger@eyesopen.com>
7919 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
7920 extract a CONST_VECTOR element and interpret it as an integer.
7921 (vspltis_constant): Use const_vector_elt_as_int instead of the
7922 macro CONST_VECTOR_ELT in order to handle FP vector modes.
7923 * config/rs6000/predicates.md (easy_vector_const): Consider
7924 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
7926 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
7929 * stor-layout.c (update_alignment_for_field): Don't add extra
7930 alignment for packed non-bitfield fields in ms_bitfield_layout_p
7933 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
7935 * config/mips/t-rtems: Add EL/EB multilib variants.
7937 2006-06-09 Mike Stump <mrs@apple.com>
7939 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
7941 2006-06-09 David Daney <ddaney@avtrex.com>
7943 * doc/install.texi: Add binutils version recommendation for mips-*-*.
7945 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
7947 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
7949 2006-06-09 Richard Guenther <rguenther@suse.de>
7951 PR tree-optimization/26998
7952 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
7953 of signed types, only TYPE_MIN_VALUE is special, but for both,
7954 minimum and maximum value. Likewise VR_ANTI_RANGE is special
7955 in this case, as is -fwrapv.
7957 2006-06-08 Mike Stump <mrs@apple.com>
7960 * config/darwin.c (darwin_asm_output_anchor): Disable
7961 -fsection-anchors on darwin for now.
7962 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
7963 * rs6000/rs6000.c (optimization_options): Likewise.
7965 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7968 * config/i386/i386.c (classify_argument): Skip fields with invalid
7971 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
7973 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
7974 (cse_insn): Likewise for the stack_pointer_rtx.
7976 2006-06-08 Roger Sayle <roger@eyesopen.com>
7978 * tree-ssa-dom.c (record_conditions): Only record "unordered"
7979 conditions from floating point comparisons.
7981 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
7984 * expmed.c (struct alg_hash_entry): Fix type of field T
7985 to match synth_mult argument.
7986 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
7988 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7991 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
7994 2006-06-08 Richard Guenther <rguenther@suse.de>
7997 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
7998 only, if overflow is defined and not trapping.
7999 (negate_expr): Likewise.
8001 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
8003 PR tree-optimization/27872
8004 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
8005 flag on the new exit edge of the unrolled loop.
8007 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
8009 PR rtl-optimization/26449
8010 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
8012 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
8015 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
8016 referenced_variables with matching DECL_UID's.
8017 (find_referenced_vars): Make sure duplicate list is empty to start.
8018 (referenced_var_p): Remove.
8019 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
8020 Check if var is in the list, and add if needed. Update the duplicate
8021 list if a different var is in the list with the same DECL_UID.
8022 (add_referenced_var): Call routine to check and insert.
8023 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
8024 * tree-flow.h (referenced_vars_dup_list): External declaration.
8026 2006-06-07 Fred Fish <fnf@specifix.com>
8028 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
8031 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
8034 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
8035 the imaginary and real parts of a clobbered register.
8036 Emit insn to set the imaginary part.
8038 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
8040 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
8041 in lieu of unwind-dw2-fde.c.
8043 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
8045 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
8047 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
8050 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
8051 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
8052 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
8053 V4SImode temporaries and operations instead.
8055 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
8057 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
8060 2006-06-06 Mike Stump <mrs@apple.com>
8062 * Makefile.in: Rename to htmldir to build_htmldir to avoid
8063 installing during build.
8065 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8067 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
8069 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8070 * config/ia64/ia64.c (params.h): New header.
8071 (ia64_optimization_options): New function to adjust parameters.
8072 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
8073 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
8074 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
8076 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
8078 * stor-layout.c (debug_rli): Fix a typo in a debug message.
8080 2006-06-05 Steve Ellcey <sje@cup.hp.com>
8083 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
8085 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
8086 Victor Kaplansky <victork@il.ibm.com>
8088 PR tree-optimization/26360
8089 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
8092 2006-06-04 Roger Sayle <roger@eyesopen.com>
8093 Andrew Pinski <pinskia@physics.uc.edu>
8096 * c-common.c (c_common_truthvalue_conversion): Explicitly check
8097 for LABEL_DECL before calling DECL_WEAK.
8100 * c-typeck.c (build_binary_op): Likewise, explicitly check for
8101 LABEL_DECL and PARM_DECL.
8103 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
8107 * c-decl.c (grokdeclarator): Disallow variably modified types at
8108 file scope. Avoid marking shared array type of constant size as
8111 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8114 * c-common.c (fold_offsetof_1): Handle static members.
8116 2006-06-04 Eric Christopher <echristo@apple.com>
8118 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
8119 (debug_rli): Output value for remaining_in_alignment.
8120 (update_alignment_for_field): Unconditionalize
8121 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
8122 extra alignment code.
8123 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
8124 ms_bitfield_layout_p code. Rewrite handling of structure fields.
8125 * tree.h (record_layout_info_s): Remove prev_packed.
8126 * doc/extend.texi (ms_struct): Add documentation of format.
8128 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
8130 * tree.h: Declare folding_initializer.
8131 * builtins.c (fold_builtin_constant_p): Give definite answer
8132 if folding inside an initializer.
8133 * fold-const.c: Define folding_initializer.
8134 (START_FOLD_INIT): Save and then set folding_initializer.
8135 (END_FOLD_INIT): Restore folding_initializer.
8137 2006-06-04 Richard Guenther <rguenther@suse.de>
8139 PR tree-optimization/27039
8140 * fold-const.c (fold_comparison): Handle pointer comparison
8141 again for all comparison codes. Compare offsets in signed
8143 (fold_binary): Move code from here.
8145 2006-06-03 Roger Sayle <roger@eyesopen.com>
8148 * config/i386/i386.c (construct_container): Split static issued_error
8149 flag into issued_sse_arg_error, issued_sse_ret_error and
8150 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
8151 requires the use of x87 registers and the user explicitly
8152 specified the -mno-80387 command line option.
8154 2006-06-02 Geoffrey Keating <geoffk@apple.com>
8156 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
8157 HAVE_DECL_SIGALTSTACK.
8159 (segv_handler): Use MC_FLD.
8160 * configure.ac: Check for a sigaltstack declaration.
8161 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
8162 * configure: Regenerate.
8163 * config.in: Regenerate.
8165 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
8168 * Makefile.in (stmp-fixinc): Fix typo.
8170 2006-06-02 Roger Sayle <roger@eyesopen.com>
8172 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
8173 are type correct. Clean-up.
8174 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
8175 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
8177 2006-06-01 DJ Delorie <dj@redhat.com>
8179 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
8180 shift, as we've disabled the "switch" insn that needs it.
8182 2006-06-01 Per Bothner <bothner@bothner.com>
8184 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
8185 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
8186 * c-ppoutput.c (cb_define): Don't increment line 0.
8188 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
8190 * doc/invoke.texi: Add cpu_type power6.
8191 * config.gcc: Add cpu_type power6.
8192 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
8193 to power5+ with Altivec.
8194 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
8195 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
8197 2006-05-30 Anatoly Sokolov <aesok@post.ru>
8199 * config/avr/avr.h (SET_ASM_OP): Define.
8201 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
8203 * config/bfin/bfin.c: Fix comment typos.
8205 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8208 * doc/install.texi: Document --enable-bootstrap and
8209 --disable-bootstrap.
8211 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8213 * doc/install.texi: Document that InfoZIP can replace jar.
8215 2006-05-31 Roger Sayle <roger@eyesopen.com>
8217 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
8218 isn't available, directly generate the simpler x87 patterns without
8219 the (use (const_int 0)).
8220 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
8221 implementation isn't available.
8222 (*negdf2_1): Likewise.
8223 (*negxf2_1): XF mode negation is always done using the x87.
8224 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
8226 2006-05-31 Roger Sayle <roger@eyesopen.com>
8228 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
8229 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
8231 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
8233 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8235 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
8236 * config/bfin/bfin.c (basic-block.h): Include.
8237 (struct machine_function): New.
8238 (bfin_init_machine_status): New.
8239 (override_options): Initialize init_machine_status.
8240 (bfin_hardware_loop): New.
8241 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
8242 (DEF_VEC_P (loop_info)): New.
8243 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
8244 (struct loop_info): New.
8245 (loop_info): New typedef.
8246 (struct loop_work): New.
8247 (loop_work): New typedef.
8248 (DEF_VEC_O (loop_work)): New.
8249 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
8250 (bfin_dump_loops): New.
8251 (bfin_bb_in_loop): New.
8252 (bfin_scan_loop): New.
8253 (bfin_optimize_loop): New.
8254 (bfin_reorg_loops): New.
8255 (bfin_reorg): Use bfin_reorg_loops.
8256 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
8258 (I_REGNO_P): Simplify.
8259 (DP_REGNO_P, DPREG_P): New macros.
8260 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
8261 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
8262 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8263 Add LT_REGS, LC_REGS, LB_REGS.
8264 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
8266 (REGNO_REG_CLASS): Deal with loop registers.
8267 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
8269 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
8270 New constants for loop registers.
8271 (UNSPEC_LSETUP_END): New.
8272 (seq_insns): New define_attr. Set it for appropriate insns.
8273 (movsi_insn): Add alternatives for move from/to
8274 loop count registers.
8275 (doloop_end): New define_expand.
8276 (loop_end): New define_insn.
8277 (define_split for bad doloop_end): New.
8278 (lsetup_with_autoinit): New define_insn.
8279 (lsetup_without_autoinit): New define_insn.
8280 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
8281 * config/bfin/predicates.md (lc_register_operand): New.
8282 (lt_register_operand): New.
8283 (lb_register_operand): New.
8284 (nondp_register_operand): New.
8285 (nondp_reg_or_memory_operand): New.
8286 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
8288 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8290 * config/bfin/bfin.c (bfin_delegitimize_address): New.
8291 (TARGET_DELEGITIMIZE_ADDRESS): Define.
8293 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
8295 * Makefile.in (CATALOGS): Add po/ prefix.
8296 * configure: Regenerated.
8298 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
8301 * arm.c (arm_print_operand case 'S'): Validate that the operand is
8302 a shift operand before calling shift_op. Avoid redundant call of
8305 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
8306 DJ Delorie <dj@redhat.com>
8308 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
8309 we're inserting is a singlt-bit constant.
8311 2006-05-30 Roger Sayle <roger@eyesopen.com>
8313 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
8314 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
8316 2006-05-30 Roger Sayle <roger@eyesopen.com>
8318 PR tree-optimization/23452
8319 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
8320 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
8321 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
8322 complex values and with -ffast-math for FP complex values.
8324 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
8326 * c-common.h: Remove the prototype for yyparse.
8327 * rtl.h: Remove the prototype for init_loop.
8329 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
8331 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
8334 2006-05-30 Roger Sayle <roger@eyesopen.com>
8336 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
8338 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
8339 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
8341 2006-05-30 Dirk Mueller <dmueller@suse.de>
8344 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
8345 for CONSTANT_CLASS_P expresisons.
8347 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8350 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
8352 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
8354 PR tree-optimization/27779
8355 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
8356 initial_condition instead of CHREC_LEFT.
8358 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
8360 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
8361 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
8362 Make prototypes ISO C90.
8364 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
8365 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8367 * see.c (see_analyze_one_def): Correct check.
8368 (see_get_extension_data): Check if extension is parallel.
8369 (see_get_extension_reg): Likewise.
8371 2006-05-30 Uros Bizjak <uros@kss-loka.si>
8374 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
8375 into register for (code == GTU).
8377 2006-05-29 Roger Sayle <roger@eyesopen.com>
8379 PR tree-optimization/24964
8380 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
8381 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
8382 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
8383 abs(x)*abs(x) as x*x for scalar floating point modes.
8385 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
8388 * lambda-code.c (perfect_nestify): Don't copy statements
8389 in the inner loop: move them to the inner loop header.
8391 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8394 * c-tree.texi: Document OpenMP directives and clauses.
8396 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8398 * varasm.c (globalize_decl): Fix indentation.
8400 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8403 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
8404 pass_fre, pass_store_ccp, pass_copy_prop,
8405 pass_store_copy_prop, pass_merge_phi, pass_nrv,
8406 pass_return_slot, pass_object_size, pass_lim,
8407 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
8408 pass_loop_prefetch and pass_stdarg.
8410 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
8412 * config/bfin/bfin.opt (mfdpic): New option.
8413 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
8414 (EXTRA_MULTILIB_PARTS): Likewise.
8415 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
8416 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
8418 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
8419 (CRT_CALL_STATIC_FUNCTION): New.
8420 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
8422 (CRT_CALL_STATIC_FUNCTION): New.
8423 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
8425 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
8426 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
8427 (initialize_trampoline): Changed to handle FD-PIC code generation.
8428 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
8429 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
8430 (override_options): Disallow -mid-shared-library -mfdpic combination.
8431 Can't do unaligned ops if FD-PIC.
8432 Turn off flag_pic if trying to generate non-id-shared-library
8433 non-fdpic code, since it's not supported.
8434 (bfin_assemble_integer): New function.
8435 (TARGET_ASM_INTEGER): Define.
8436 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
8438 * config/bfin/crtn.s: Restore them.
8439 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
8441 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
8442 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
8443 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
8444 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
8445 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
8447 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
8448 FDPIC_REGS and FDPIC_FPTR_REGS.
8449 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
8450 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
8451 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
8452 (load_funcdescsi): New pattern.
8453 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
8454 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
8455 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
8457 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8459 * gcse.c, rtlanal.c: Remove obsolete comments associated with
8462 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
8464 * tree-flow.h: Remove the prototype for add_type_alias.
8465 * tree-ssa-alias.c (add_type_alias): Remove.
8467 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
8469 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
8470 config/fr30/fr30.md, config/i386/i386-interix.h,
8471 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
8472 config/sh/superh64.h, config/v850/v850.c, df-core.c,
8473 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
8474 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
8475 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
8476 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
8477 Follow spelling conventions.
8478 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
8479 Follow spelling conventions.
8481 2006-05-27 Richard Guenther <rguenther@suse.de>
8484 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
8485 to produce a constant of value 1 of generic type.
8487 2006-05-27 Dirk Mueller <dmueller@suse.de>
8489 * cgraphunit.c (decide_is_function_needed): Fix wrong
8492 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
8494 PR rtl-optimization/27661
8495 * reload.c (find_reloads): When reloading a VOIDmode constant
8496 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
8497 use Pmode as mode of the reload register.
8499 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
8501 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
8502 is enabled at -O and above.
8504 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
8507 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
8510 2006-05-25 Mark Mitchell <mark@codesourcery.com>
8513 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
8514 for anonymous variables explicitly declared by front ends.
8516 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8518 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
8519 (struct alias_info): Add new field ref_all_symbol_mem_tag.
8520 * tree-ssa-alias.c (compute_may_aliases): If the program contains
8521 ref-all pointers, run a finalization pass for them.
8522 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
8523 (finalize_ref_all_pointers): New function.
8524 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
8525 regular pointer type to a ref-all pointer type.
8526 (get_tmt_for): Return the special memory tag for ref-all pointers.
8528 2006-05-25 Richard Guenther <rguenther@suse.de>
8531 * fold-const.c (fold_binary): Do not look at the stripped
8532 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
8534 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8536 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
8537 for LT and GT if the computed range is effectively empty.
8539 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8542 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
8543 mips_quad_format formats instead of ieee_single_format,
8544 ieee_double_format and ieee_quad_format formats, respectively.
8546 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
8548 PR tree-optimization/27639
8549 PR tree-optimization/26719
8550 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
8551 call to scev_probably_wraps_p.
8552 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
8553 used_in_pointer_arithmetic_p, convert_step): Removed.
8554 (nowrap_type_p): New function.
8555 (scev_probably_wraps_p): Rewritten.
8556 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
8557 chrec_convert if chrec_convert_aggressive might have been used.
8558 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
8559 scev_direction): New functions.
8560 (chrec_convert): Changed to a wrapper over chrec_convert_1.
8561 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
8562 instead of convert_step.
8563 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
8564 (convert_step): Declaration removed.
8565 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
8567 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
8569 * df-core.c: Added to header comments.
8570 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
8571 df_ur_bb_info, df_urec_bb_info): Added comments.
8572 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
8573 urec, ri problems): Fixed header comments.
8574 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
8575 code from df_rd_transfer_function.
8577 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8579 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
8580 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
8581 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
8583 2006-05-23 Joseph Myers <joseph@codesourcery.com>
8585 * expr.c (undefined_operand_subword_p): New.
8586 (emit_move_multi_word): Do not generate move from undefined bits
8587 of a paradoxical subreg.
8589 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8591 PR rtl-optimization/27736
8592 * combine.c (replaced_rhs_value): New variable.
8593 (combine_instructions): Set it.
8594 (distribute_notes): When distributing a note in replaced_rhs_insn,
8595 check whether the value was used in replaced_rhs_value.
8597 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
8600 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
8601 add_referenced_var instead of add_referenced_tmp_var.
8602 * tree-complex.c (create_one_component_var): Use add_referenced_var.
8603 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
8605 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
8606 tree_optimize_tail_calls_1): Use add_referenced_var.
8607 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
8608 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
8609 Use add_referenced_var.
8610 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
8611 * gimplify.c (force_gimple_operand): Use add_referenced_var.
8612 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
8613 Use add_referenced_var.
8614 * tree-dfa.c (struct walk_state): Remove.
8615 (find_referenced_vars): Remove walk state and vars_found hash table.
8616 (make_rename_temp): Use add_referenced_var.
8617 (find_vars_r): Pass less parameters to add_referenced_var.
8618 (referenced_var_p): New. Is var in referenced_var hash table.
8619 (referenced_var_insert): Assert var isn't already in hash table.
8620 (add_referenced_var): Don't need walk_state parameter. Add var if it
8621 isn't already in the hash table.
8622 (add_referenced_tmp_var): Remove.
8623 (find_new_referenced_vars_1): Use add_referenced_var.
8624 * tree-ssa-pre.c (create_expression_by_pieces,
8625 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
8626 Use add_referenced_var.
8627 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
8628 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
8629 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
8631 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8632 vect_create_data_ref_ptr, vect_create_destination_var,
8633 vect_init_vector, vect_build_loop_niters,
8634 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
8635 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
8636 Use add_referenced_var.
8637 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
8638 * tree-flow.h (add_referenced_tmp_var): Remove prototype
8639 (add_referenced_var): Add prototype.
8640 * tree-ssa-structalias.c (get_constraint_for,
8641 intra_create_variable_infos): Use add_referenced_var.
8643 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
8645 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
8646 big-endian paradoxical subregs.
8647 * var-tracking.c (struct micro_operation_def): Document that,
8648 for modify micro operations, insn is the subsequent instruction.
8649 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
8650 (var_reg_set, var_mem_set): ... new functions.
8651 (add_stores): Record subsequent insn.
8652 (compute_bb_dataflow): Use new functions for MO_USE.
8653 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
8654 notes after the insn, and modify notes before the insn known
8655 to be the subsequent one.
8656 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
8658 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
8661 * config/i386/i386.c (ix86_expand_builtin): Use
8662 gen_sse3_monitor64 for TARGET_64BIT.
8664 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
8666 PR rtl-optimization/26375
8667 PR rtl-optimization/26855
8668 * df-problems (df_ru_bb_local_compute_process_def): Removed update
8670 (df_ru_bb_local_compute): Reversed statements and removed bogus
8671 comment explaining why they should be in wrong order.
8672 (df_ru_dump, df_rd_dump): Enhanced debug info.
8673 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
8675 * ddg.c (add_deps_for_def): Converted use of reaching defs to
8676 reaching uses and fixed space problem.
8678 2006-05-23 Jan Hubicka <jh@suse.cz>
8680 * cgraphunit.c (decide_is_function_needed): Also nested functions
8681 and functions declared inline can be optimized out at -O0.
8683 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
8685 * doc/install.texi (Configuration): Remove reference to CrossGCC
8689 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8692 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
8693 ix86_compare_emitted is non-NULL.
8695 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8698 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
8701 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8703 PR rtl-optimization/25514
8704 * combine.c (replaced_rhs_insn): New variable.
8705 (combine_instructions): Set replaced_rhs_insn when trying to replace
8706 a SET_SRC with a REG_EQUAL note.
8707 (distribute_notes): Use replaced_rhs_insn when determining the live
8708 range of a REG_DEAD register.
8710 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
8711 Anatoly Sokolov <aesok@post.ru>
8713 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
8714 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
8715 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
8716 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
8717 atmega3290, atmega649, atmega6490, atmega406, atmega640,
8718 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
8719 at90usb647, at90usb1286 and at90usb1287 devices.
8720 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8721 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8723 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8725 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
8727 2006-05-22 Richard Guenther <rguenther@suse.de>
8730 2006-01-31 Richard Guenther <rguenther@suse.de>
8731 Paolo Bonzini <bonzini@gnu.org>
8733 * doc/install.texi (--disable-libgcc-math): Document.
8735 2006-05-22 Richard Guenther <rguenther@suse.de>
8738 2006-01-31 Richard Guenther <rguenther@suse.de>
8740 * doc/invoke.texi (-msselibm): Document.
8741 * target.h (expand_library_builtin): New target hook.
8742 * builtins.c (expand_builtin): Use expand_library_builtin.
8743 (default_expand_library_builtin): New function.
8744 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8745 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8746 (link_gcc_math_spec): Declare.
8747 (static_specs): Add link_gcc_math_spec.
8748 * expr.h (default_expand_library_builtin): Declare.
8749 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8750 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8751 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8752 * config/i386/i386.opt (msselibm): New target option.
8753 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8754 (ix86_init_sse_abi_builtins): New function.
8755 (ix86_expand_library_builtin): Likewise.
8756 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8757 (override_options): Handle error conditions wrt -msselibm.
8758 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8759 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8760 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8763 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8766 * c-common.c (self_promoting_args_p): Skip erroneous args.
8769 * c-decl.c (finish_struct): Skip erroneous fields.
8771 2006-05-22 Nick Clifton <nickc@redhat.com>
8773 * config/cris/cris.opt (march): Remove VarExists attribute.
8774 (max-stackframe=): Likewise.
8776 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8778 * doc/rtl.texi: Fix a typo.
8779 * see.c: Fix comment typos.
8781 * tree-ssa-structalias.h (alias_info): Remove num_references.
8783 2006-05-21 Mike Stump <mrs@apple.com>
8785 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
8787 (darwin_pragma_options): Use BAD instead.
8788 (darwin_pragma_unused): Likewise.
8789 (darwin_pragma_ms_struct): Likewise.
8791 2006-05-21 David Edelsohn <edelsohn@gnu.org>
8793 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
8795 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
8797 PR rtl-optimization/27671
8798 * simplify-rtx.c (simplify_relational_operation_1): Fix
8799 simplifications of (eq/ne (xor x y) y) and
8800 (eq/ne (xor x y) x).
8802 PR tree-optimization/26622.
8803 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
8806 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8808 * tree-cfg.c: Prune whitespace.
8809 (debug_tree_cfg): Point to correct header containing the
8812 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8815 * cgraphunit.c (verify_cgraph_node): Typo in error message.
8817 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
8820 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
8821 or sorry count is non zero.
8823 2006-05-20 Andreas Schwab <schwab@suse.de>
8825 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
8827 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
8828 Kenneth Zadeck <zadeck@naturalbridge.com>
8830 PR rtl-optimization/26855
8832 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
8834 (df_scan_alloc): Added code to properly handle multiword hard
8835 registers and add all_blocks parameter.
8836 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
8837 code to properly handle multiword hard registers.
8838 (df_rescan_blocks): Added code to remove deleted blocks from
8840 (df_ref_create_structure, df_ref_record): Added code to properly
8842 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
8843 and set DF_REF_PARTIAL.
8844 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
8845 (df_uses_record): Added DF_REF_PARTIAL for subreg.
8846 (df_scan_add_problem): Added flags parameter.
8847 (df_ref_create_structure): Changed switching structure.
8848 (df_bb_refs_record): Fixed case where duplicate artificial refs
8849 were created. Changed location of flags.
8850 (df_record_entry_block_defs): Added code to make stack pointer
8851 live in entry block. Refined cases where frame pointer is needed.
8852 Changed location of flags.
8853 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
8854 (df_set_state): Removed function.
8855 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
8856 df_insn_create_insn_record, df_insn_refs_delete,
8857 df_ref_create_structure): Formatting changes.
8858 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
8859 df_delete_basic_block): New function.
8860 (df_init): Changed location of flags.
8861 (df_add_problem): Added flags parameter and the way flags are
8863 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
8864 debug_df_chain): Improved debugging output.
8865 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
8866 (df_refs_chain_dump): Removed df parameter.
8867 (df_iterative_dataflow): Added consistency check.
8868 (df_prune_to_subcfg): Made public.
8869 (df_analyze_problem): Added blocks_to_init parameter and made
8871 (df_ref_record, df_bb_refs_record, df_mark_reg,
8872 df_record_exit_block_uses): Whitespace changes.
8873 (df_dump): Whitespace changes.
8874 * df.h: Some reordering to remove forward references.
8875 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
8876 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
8877 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
8878 (dataflow.flags): New field.
8879 (df.flag): Deleted field.
8880 (df_alloc_function): Added additional bitmap parameter.
8881 (df_dependent_problem_function): New type.
8882 (df_problem.changeable_flags): New field.
8883 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
8884 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
8885 (df_mw_hardreg): New struct.
8886 (DF_INSN_UID_MWS): New macro.
8887 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
8889 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
8890 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
8891 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
8892 (df_set_state): Removed function.
8893 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
8894 * df-problems.c (df_chain_dump): Removed df parameter.
8895 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
8896 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
8898 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
8899 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
8900 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
8901 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
8902 DF_REF_MUST_CLOBBER cases.
8903 (df_ru_bb_local_compute_process_def,
8904 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
8905 df_lr_bb_local_compute, df_ur_bb_local_compute,
8906 df_chain_create_bb): Made subreg aware.
8907 (df_ru_bb_local_compute, df_rd_bb_local_compute,
8908 df_lr_bb_local_compute, df_lr_bb_local_compute,
8909 df_chain_create_bb): Cleanup to use proper macros.
8910 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
8911 code to fixup bitvectors.
8912 (df_ri_alloc): Cleared lifetime.
8913 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
8914 df_create_unused_note): New function.
8915 (df_ri_bb_compute, df_ri_compute): Added code to create/update
8916 REG_DEAD and REG_UNUSED notes as well as register information.
8917 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
8918 df_chains_dump): Fixed crash if problem was never run.
8919 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
8920 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
8921 df_ri_add_problem): Processes flags in uniform manner.
8922 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
8923 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
8924 df_rd_dump, df_urec_free_bb_info): Formatting changes.
8925 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
8926 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
8927 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
8928 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
8929 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
8930 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
8931 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
8932 * see.c (see_initialize_data): Ditto.
8933 * final.c (rest_of_clean_state) Added regstack_completed.
8934 * rtl.h (regstack_completed): Ditto.
8935 * reg-stack.c (regstack_completed): Ditto.
8937 2006-05-19 Mike Stump <mrs@apple.com>
8939 * c-tree.h (default_conversion): Remove.
8940 * c-common.h (default_conversion): Add.
8942 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
8944 * tree-vrp.c (valid_value_p): New function.
8945 (adjust_range_with_scev): Fail if the value of bound is not
8948 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8950 * config/mips/linux-unwind.h: Include <asm/unistd.h>
8951 (mips_fallback_frame_state): Use syscall numbers to determine
8952 the appropriate li instruction for the current ABI. Only use
8953 __NR_sigreturn for o32.
8955 2006-05-19 Nicolas Setton <setton@adacore.com>
8957 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
8958 * langhooks.c (lhd_dwarf_name): New function.
8959 * langhooks-def.h (lhd_dwarf_name): Declare.
8960 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
8961 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
8963 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8965 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
8967 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
8968 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
8969 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
8970 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
8971 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
8972 determine the size of Wtype, etc.
8973 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
8974 (swfloatfuncs): New variable.
8975 (dwfloatfuncs): Likewise.
8976 (lib2funcs): Remove floating-point conversion functions from
8977 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
8978 the set of conversion routines needed. Allow entries to specify
8979 an object name, filename and word size. Update users accordingly.
8980 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
8981 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
8985 2006-02-08 Roger Sayle <roger@eyesopen.com>
8988 * config/fixtfdi.c: New libgcc source file.
8989 * config/fixunstfdi.c: New source file.
8990 * config/floatditf.c: New source file.
8991 * config/floatunditf.c: New souce file.
8992 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8993 files above instead of config/mips/_tilib.c.
8994 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8996 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8998 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
8999 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
9001 2006-05-18 Mike Stump <mrs@apple.com>
9003 Fix up vla, vm and [*] sematics.
9009 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
9010 (c_vla_unspec_p): Add.
9011 (c_vla_type_p): Add.
9012 * c-decl.c (struct c_scope): Add had_vla_unspec.
9013 (build_array_declarator): Add support for [*].
9014 (grokdeclarator): Likewise.
9015 (grokparms): Likewise.
9016 (get_parm_info): Likewise.
9017 * c-objc-common.c (c_vla_unspec_p): Likewise.
9018 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
9019 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
9020 typeof when argument is a variably modified type not inside sizeof or alignof.
9021 (c_parser_direct_declarator_inner): Propagate errors.
9022 (c_parser_sizeof_expression): Add support for [*].
9023 (c_parser_parms_declarator): Initialize had_vla_unspec.
9024 (c_parser_parms_list_declarator): Likewise.
9025 * c-typeck.c (c_vla_type_p): Add.
9026 (composite_type): Add support for vla compositing.
9027 (comptypes_internal): Add support for vla compatibility.
9028 (c_expr_sizeof_expr): Evaluate vla arguments.
9029 * tree.c (variably_modified_type_p): Update comment for [*].
9031 2006-05-18 Michael Matz <matz@suse.de>
9034 * config.host: Make assignments to host_xmake_file cumulative.
9035 * config.host (*-darwin*): Test $host, not $target.
9037 2006-05-12 Stuart Hastings <stuart@apple.com>
9039 * config/i386/i386.opt (-mstackrealign): New flag.
9040 * config/i386/i386.c (force_align_arg_pointer): New attribute.
9041 (ix86_handle_cconv_attribute): Emit error when
9042 force_align_arg_pointer attribute collides with too many regparms.
9043 (ix86_function_regparm): Limit regparms when used with
9044 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
9045 Support stack-realigning prologue in non-main functions. Emit
9046 warning for nested functions under -mstackrealign, emit error for
9047 nested functions with force_align_arg_pointer attribute.
9048 * doc/extend.texi (force_align_arg_pointer): Document it.
9049 * doc/invoke.texi (-mstackrealign): Document it.
9051 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
9053 PR rtl-optimization/27477
9054 * combine.c (try_combine): Don't split a parallel consisting
9055 of two sets into two individual sets if both sets reference
9058 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
9060 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
9061 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
9063 * doc/options.texi (VarExists): Updated.
9065 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9067 * unwind-dw2.c: Add declarations for uw_update_context and
9069 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
9070 detected, advance frame state and context once to skip over stub.
9072 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9076 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
9077 Call rewrite_into_loop_closed_ssa only when something changed.
9078 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
9079 * lambda-code.c (can_convert_to_perfect_nest): Declared.
9080 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
9081 Test for perfect_nest_p here. Fix formating.
9082 (replace_uses_equiv_to_x_with_y): Fix formating.
9083 (stmt_uses_op): Removed.
9084 (can_convert_to_perfect_nest): Removed loopivs parameter.
9085 Complete the test by checking the scalar dependences.
9086 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
9089 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9092 From Dan Kegel <dank@kegel.com>:
9093 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
9095 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
9097 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
9098 if the element type is variably modified without recursing.
9100 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9103 * tree-loop-linear.c (try_interchange_loops): Test for
9104 no data dependences.
9106 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
9108 PR tree-optimization/27548
9109 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
9110 range of ssa names that appear on abnormal edges.
9111 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
9112 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
9114 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9117 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
9119 2006-05-17 Jakub Jelinek <jakub@redhat.com>
9122 * tree.h (OMP_PARALLEL_COMBINED): Define.
9123 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
9124 (new_omp_context): Add is_combined_parallel argument.
9125 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
9126 new_omp_context caller.
9127 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
9128 Adjust gimplify_scan_omp_clauses callers.
9129 (omp_is_private): Issue errors if iteration variable is firstprivate
9130 or reduction in the current context.
9131 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
9132 on combined parallel workshare constructs.
9134 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9136 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
9137 (gcc-options.o): New rule.
9139 * optc-gen.awk: Protect variables for gcc-options.o with
9140 #ifdef GCC_DRIVER/#endif.
9142 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
9144 Fix PR tree-optimization/27373
9145 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
9146 (forward_propagate_addr_expr): Update call.
9148 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9150 * doc/options.texi: Move the Negative option.
9152 2006-05-16 Richard Guenther <rguenther@suse.de>
9154 PR tree-optimization/22303
9155 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
9157 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
9158 ccp_fold did not simplify the statement.
9160 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9163 * Makefile.in (GCC_OBJS): New.
9164 (OBJS-common): Add opts-common.o.
9165 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
9166 (cpp$(exeext)): Likewise.
9167 (gcc.o): Also depend on opts.h.
9168 (opts-common.o): New.
9170 * common.opt (gcoff): Add Negative(gdwarf-2).
9171 (gdwarf-2): Add Negative(gstabs).
9172 (gstabs): Add Negative(gstabs+).
9173 (gstabs+): Add Negative(gvms).
9174 (gvms): Add Negative(gxcoff).
9175 (gxcoff): Add Negative(gxcoff+).
9176 (gxcoff+): Add Negative(gcoff).
9177 * config/i386/i386.opt (m32): Add Negative(m64).
9178 (m64): Add Negative(m32).
9180 * doc/options.texi: Document the Negative option.
9182 * gcc.c: Include "opts.h".
9183 (main): Call prune_options after expandargv.
9185 * optc-gen.awk: Generate common declarations for all flag
9186 variables in options.c. Output the neg_index field.
9188 * opts.c (find_opt): Moved to ...
9189 * opts-common.c: Here. New file.
9191 * opts.h (cl_option): Add a neg_index field.
9193 (prune_options): Likewise.
9195 2006-05-16 Jakub Jelinek <jakub@redhat.com>
9198 * omp-low.c (expand_omp_parallel): Don't assert
9199 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
9200 instead search for it.
9203 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
9206 2006-05-16 Andreas Schwab <schwab@suse.de>
9208 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
9211 2006-05-15 Roger Sayle <roger@eyesopen.com>
9214 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
9215 integer constants other than zero are only legitimate on TARGET_64BIT.
9216 <CONST_VECTOR> Only zero vectors are legitimate.
9217 (ix86_cannot_force_const_mem): Integral and vector constants can
9218 always be put in the constant pool.
9220 2006-05-16 DJ Delorie <dj@redhat.com>
9222 * crtstuff.c (__dso_handle): Set section from
9223 TARGET_LBIGCC_SDATA_SECTION if defined.
9224 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
9225 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
9227 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
9230 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
9233 2006-05-16 Ben Elliston <bje@au.ibm.com>
9235 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
9237 2006-05-15 Per Bothner <per@bothner.com>
9239 * tree.c: (last_annotated_node): Use source_locus typedef.
9240 This permits bootstrapping with --enable-mapped-location.
9242 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
9244 PR tree-optimization/26830
9245 * tree-into-ssa.c (struct ssa_name_info): Add age field.
9246 (info_for_ssa_name, current_info_for_ssa_name_age,
9247 blocks_to_update): New variables.
9248 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
9249 (clear_ssa_name_info, initialize_flags_in_bb,
9250 mark_block_for_update): New functions.
9251 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
9252 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
9253 prepare_def_site_for): Use mark_block_for_update.
9254 (mark_def_interesting): Assert that the processed block is marked in
9255 blocks_to_update. Do not take blocks argument.
9256 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
9258 (rewrite_update_init_block, rewrite_update_stmt): Only process
9259 blocks with statements to rewrite.
9260 (delete_update_ssa): Do not clear SSA_NAME_AUX.
9261 (update_ssa): Initialize and free blocks_to_update. Do not
9262 clear flags on statements. Do not use blocks bitmap.
9263 * tree.h (SSA_NAME_AUX): Removed.
9264 (struct tree_ssa_name): Removed aux field.
9265 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
9267 2006-05-15 Richard Guenther <rguenther@suse.de>
9269 PR tree-optimization/27603
9270 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
9271 Do computations in original type.
9273 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
9275 * see.c: Code style changes such as redundant paranthesis,
9276 redundant intialization of local variables etc.
9277 (see_main): Declared now as static.
9278 * doc/invoke.texi: Update that -fsee is not enabled by
9281 2006-05-15 Jakub Jelinek <jakub@redhat.com>
9283 * omp-low.c (check_omp_nesting_restrictions): New function.
9284 (scan_omp_1): Call it.
9287 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
9288 construct, return *VAR.
9290 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
9292 PR rtl-optimization/27406
9293 * bt-load.c (migrate_btr_def): Skip the block having abnormal
9296 2006-05-14 Roger Sayle <roger@eyesopen.com>
9298 PR rtl-optimization/27538
9299 * combine.c (expand_compound_operation): Call gen_lowpart
9300 before calling simplify_shift_const.
9302 2006-05-14 Roger Sayle <roger@eyesopen.com>
9304 PR rtl-optimization/22563
9305 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
9306 a fixed width bitfield, always force the intermediates into psuedos.
9308 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
9311 * mkconfig.sh: Use operator = instead of == for test.
9313 2006-05-13 Nick Clifton <nickc@redhat.com>
9315 * dwarf2out.c (dbx_reg_number): Check return value from
9316 LEAF_REG_REMAP and only use it if it is valid.
9317 (multiple_reg_loc_descriptor): Likewise.
9319 2006-05-13 Richard Guenther <rguenther@suse.de>
9321 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
9324 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
9326 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
9327 information attached to non-INSNs such as NOTEs.
9328 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
9330 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
9332 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
9334 * config/s390/s390.md: Adjust comment describing On constraint.
9336 2006-05-11 Jan Hubicka <jh@suse.cz>
9338 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
9339 to be output at -O0.
9341 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9344 * fold-const.c (size_binop): Move sanity check for arguments to
9345 the beginning of the function.
9348 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
9351 2006-05-11 Richard Guenther <rguenther@suse.de>
9354 * fold-const.c (fold_unary): Handle intermediate conversion
9355 to a pointer type like intermediate conversion to an integer
9356 type in folding of (T1)(T2)var to var.
9357 Match the code to the comment in the final conversion for
9358 (T1)(T2)var to (T1)var regarding to type precision. Rather
9359 than disallow T1 being of pointer type, assert that both T1
9360 and var are of pointer type or not. Make sure not to fall
9361 over the frontends lazyness wrt array to pointer decay though.
9363 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
9365 * arm.c (arm_struct_value_rtx): Delete.
9366 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
9367 (arm_init_cumulative_args): Always initialize nregs to zero.
9369 2006-05-10 Richard Guenther <rguenther@suse.de>
9371 PR tree-optimization/27532
9372 * tree-object-size.c (plus_expr_object_size): Fix typo.
9374 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
9377 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
9378 ashrdi_const, ashrdi3): Use a scratch register.
9380 2006-05-10 Richard Guenther <rguenther@suse.de>
9382 PR tree-optimization/27302
9383 * fold-const.c (operand_equal_p): For two comparisons,
9384 try comparison of one comparison code swapped if that yields
9387 2006-05-10 Ben Elliston <bje@au.ibm.com>
9389 * tree-pretty-print.c (pretty_print_string): No need to handle
9390 '\0' as a special character.
9392 * tree.h: Include "hashtab.h".
9393 (iterative_hash_expr): Use hashval_t in its prototype.
9394 * Makefile.in (TREE_H): Add $(HASHTAB_H).
9396 2006-05-09 Steve Ellcey <sje@cup.hp.com>
9399 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
9400 (hppa*64*-*-hpux11*): Ditto.
9401 (hppa[12]*-*-hpux11*): Ditto.
9403 2006-05-09 David Edelsohn <edelsohn@gnu.org>
9406 * config/rs6000/aix41.h (TARGET_64BIT): Define.
9408 2006-05-09 Michael Matz <matz@suse.de>
9410 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
9411 host_extra_gcc_objs and host_xmake_file.
9412 (<*-*-linux*>): Don't overwrite host_xmake_file.
9413 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
9414 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
9415 (host_detect_local_cpu): Declare.
9416 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
9417 * config/i386/i386.c (override_options): Handle -mtune=native
9419 * config/i386/x-i386: New file.
9420 * config/i386/driver-i386.c: New file.
9421 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
9424 2006-05-09 Dirk Mueller <dmueller@suse.de>
9425 Richard Guenther <rguenther@suse.de>
9428 * fold-const.c (fold_read_from_constant_string): Relax check
9429 for matching types to matching modes.
9431 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
9433 PR rtl-optimization/27335
9434 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
9437 2006-05-08 Chao-ying Fu <fu@mips.com>
9438 Richard Sandiford <richard@codesourcery.com>
9440 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
9441 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
9442 * config/mips/mips.md (UNSPEC_SCC): New constant.
9443 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
9444 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
9445 (mips_emit_compare): Use it.
9446 (mips_expand_vcondv2sf): New function.
9448 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
9450 Fix PR tree-optimization/27093
9451 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
9452 renaming when they become not-used_alone.
9454 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9456 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
9457 relocation and relocation stubs.
9459 2006-05-08 Eric Christopher <echristo@apple.com>
9461 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
9464 2006-05-08 Jan Hubicka <jh@suse.cz>
9467 * cgraphunit.c (decide_is_function_needed): When not optimizing even
9468 unused static functions are needed.
9470 2006-05-08 Roger Sayle <roger@eyesopen.com>
9473 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9474 of a reg_equiv_constant if the result is a legitimate constant.
9476 2006-05-08 Uros Bizjak <uros@kss-loka.si>
9479 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
9480 standard 80387 constants, raise the cost to prevent
9481 compress_float_constant() to generate load from memory.
9483 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
9485 * config/arm/constraints.md (c): Fix a typo.
9487 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
9490 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
9493 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
9495 (_mm_mwait): Likewise.
9497 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
9499 (sse3_monitor): Make it 32bit only.
9500 (sse3_monitor64): New. 64bit monitor.
9502 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9505 * config/i386/i386.c (classify_argument): Skip fields with invalid
9508 2006-05-07 Richard Guenther <rguenther@suse.de>
9510 PR tree-optimization/27409
9511 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9512 Do not try to find zero-sized subvars.
9514 2006-05-07 Richard Guenther <rguenther@suse.de>
9516 PR tree-optimization/27136
9517 * tree-ssa-loop-niter.c (get_val_for): Correct function
9518 comment, assert requirements.
9519 (loop_niter_by_eval): Stop processing if the iterated
9520 value did not simplify.
9522 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
9524 * opts.c (flag_see): remove its setting at -O3.
9526 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
9528 * genpeep.c (main): Make insn-peep.c depend on flags.h.
9529 * arm/constraints.md: New file.
9530 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
9531 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
9532 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
9533 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
9534 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
9535 (EXTRA_MEMORY_CONSTRAINT): Likewise.
9536 * arm.md: Include constraints.md.
9537 (thumb_movsi_insn): Use satisfies_constraint_J.
9538 (movhi, movqi): Use satisfies_constraint_I.
9540 2006-04-29 Anatoly Sokolov <aesok@post.ru>
9542 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
9543 for atmeg a645 device.
9545 2006-05-06 Richard Guenther <rguenther@suse.de>
9547 PR tree-optimization/27151
9548 * tree-vect-transform.c (vectorizable_condition): Punt on
9549 values that have a different type than the condition.
9551 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
9554 * c-parser.c (c_parser_cast_expression): Only insert casts into
9555 hash table if pointer.
9556 * function.c (used_types_insert_helper): Rename from
9558 (used_types_insert): Call used_types_insert_helper.
9559 * function.h (used_types_insert): Accept only one argument.
9561 2006-05-05 David Edelsohn <edesohn@gnu.org>
9563 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
9564 scratch with output modifier.
9566 2006-05-04 David Edelsohn <edelsohn@gnu.org>
9569 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
9570 with output modifier.
9572 2006-05-04 Richard Sandiford <richard@codesourcery.com>
9575 * config/mips/mips.c (mips_symbolic_address_p): Return true
9576 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
9577 SYMBOL_GOTTPREL, and SYMBOL_TLS.
9579 2006-05-04 Richard Guenther <rguenther@suse.de>
9581 PR tree-optimization/14287
9582 PR tree-optimization/14844
9583 PR tree-optimization/19792
9584 PR tree-optimization/21608
9585 PR tree-optimization/27090
9586 * tree-ssa-pre.c (try_combine_conversion): New function.
9587 (compute_avail): After constructing the value-handle
9588 expression, use try_combine_conversion to combine NOP_EXPRs
9589 with previous value-handle expressions and use the result if it
9592 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
9594 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
9596 2006-05-04 Jan Hubicka <jh@suse.cz>
9599 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
9601 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
9603 * config/bfin/predicates.md (const01_rtx): Tell generator programs
9604 that this only matches CONST_INTs. All users changed to VOIDmode
9607 * config/bfin/bfin.c: Include "optabs.h".
9608 (bfin_rtx_costs): Some costs for vector operations, to allow combine
9610 (enum bfin_builtins): Add a number of fractional and vector builtins.
9611 (bfin_init_builtins): Likewise.
9612 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
9613 (safe_vector_operand, bfin_expand_binop_builtin,
9614 bfin_expand_unop_builtin): New functions.
9615 (bfin_expand_builtin): Handle the new builtins.
9616 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9619 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
9622 * Makefile.in (OBJS-common): Add see.o.
9623 (see.o): Add dependencies.
9624 * common.opt (fsee): New flag for the see optimization was added.
9625 * opts.c (flag_see): Initialized.
9626 * passes.c (init_optimization_passes, pass_see): New pass.
9627 * rtl.h (see_main): Declaration as extern.
9628 * timevar.def (TV_SEE): New.
9629 * tree-pass.h (pass_see): Declaration as extern.
9630 * invoke.texi (-fsee): Document.
9631 * recog.c (validate_simplify_insn): New function.
9632 * recog.h (validate_simplify_insn): Declaration as extern.
9633 * df-problems.c (df_chain_dump): Check for NULL.
9635 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
9636 Daniel Berlin <dberlin@dberlin.org>
9638 * cfgrtl.c (insert_insn_bb_end_new): New function.
9639 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
9641 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9643 * df.h (struct web_entry): Moved from web.c.
9644 (union_defs): Declaration as extern.
9645 (unionfind_root): Likewise.
9646 (unionfind_union): Likewise.
9647 * web.c (struct web_entry): Moved to df.h.
9648 (unionfind_root): Remove static declaration.
9649 (unionfind_union): Likewise.
9650 (union_defs): Likewise and generalize to use callback function.
9651 (web_main): Update arguments for union_defs function call.
9653 2006-05-04 Richard Guenther <rguenther@suse.de>
9655 PR tree-optimization/26447
9656 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
9657 produce SSA_NAME copies before the store stmt to avoid
9658 breaking exception handling.
9660 2006-05-04 Jakub Jelinek <jakub@redhat.com>
9663 * gimplify.c (omp_is_private): If var is shared in some outer context,
9664 return false instead of true. Stop searching on parallel context
9667 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
9670 * coverage.c: Use get_gcov_unsigned_t() instead of
9671 unsigned_type_node all over.
9673 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
9675 PR tree-optimization/27381
9676 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
9677 maintain the same immediate_use links.
9678 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
9679 node rather than segfaulting.
9681 2006-05-03 Jakub Jelinek <jakub@redhat.com>
9684 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
9685 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
9686 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
9688 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
9690 Fix PR tree-optimization/26626
9691 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
9693 * tree-ssa-operands.c (access_can_touch_variable): Allow
9694 typecasting through union pointers.
9696 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9699 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
9700 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
9701 to find if var will be a global variable even in the nested context.
9702 (omp_copy_decl): Only check for global variable at the end, it might
9703 be overridden in outer contexts.
9704 (scan_sharing_clauses): For global variables don't create a field.
9705 (lower_rec_input_clauses): Do nothing for global shared variables.
9706 Emit a barrier at the end of ILIST if there were any decls in both
9707 firstprivate and lastprivate clauses.
9708 (lower_send_clauses): Do nothing for global variables except for
9711 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
9713 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
9714 of the correct signedness is returned.
9716 2006-05-02 Jeff Law <law@redhat.com>
9718 PR tree-optimization/27364
9719 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
9720 multiply expressions.
9722 2006-05-02 Tom Tromey <tromey@redhat.com>
9724 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
9726 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
9729 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
9730 -mthumb -fPIC are used.
9732 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
9733 Joshua Kinard <kumba@gentoo.org>
9736 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
9737 with 64-bit pointers.
9739 2006-05-02 Paul Brook <paul@codesourcery.com>
9741 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
9743 (create_fix_barrier): Check that a suitable barrier location is
9745 (arm_reorg): Include ftmp->address in allowable range of addresses.
9747 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
9750 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
9753 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9756 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
9757 around RESULT_DECL for result passed by reference.
9758 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
9759 * omp-low.c (use_pointer_for_field): Don't look at
9760 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
9761 (scan_omp_1): Call remap_decl on RESULT_DECLs.
9762 (lower_rec_input_clauses): Don't allocate VLA memory for the second
9763 time or var for passing by reference for
9764 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
9765 TREE_ADDRESSABLE variables when passing by reference.
9767 * omp-low.c (dump_omp_region): Fix output formatting.
9770 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
9771 (expand_omp_parallel): Likewise.
9772 * tree-cfg.c (move_sese_region_to_fn): Likewise.
9775 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
9776 on statement list containing also constructors and destructors.
9777 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
9780 * except.c (duplicate_eh_regions): Fix clearing of
9781 cfun->eh->region_array entries.
9783 2006-05-01 DJ Delorie <dj@redhat.com>
9785 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
9787 (gcc_cv_objdump): Likewise.
9788 * configure: Regenerated.
9790 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
9793 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
9794 templates for case 3 and 4.
9796 2006-05-01 DJ Delorie <dj@redhat.com>
9798 * vec.c: Include bconfig.h when appropriate.
9799 * Makefile.in (build/vec.o): Adjust dependencies.
9800 * mkconfig.sh: Make sure config.h isn't used for build machine
9803 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9805 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
9807 (mark_phi_for_rewrite): New function.
9808 (insert_phi_nodes_for, mark_use_interesting): Call
9809 mark_phi_for_rewrite.
9810 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
9811 (update_ssa): Initialize and free phis_to_rewrite.
9813 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9815 PR rtl-optimization/27291
9816 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
9817 folded to a constant.
9819 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9821 PR tree-optimization/27283
9822 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
9823 not whole # of iteration descriptions.
9824 (niter_for_exit): Return just # of iterations. Fail if # of iterations
9825 uses abnormal ssa name.
9826 (niter_for_single_dom_exit): Ditto.
9827 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
9828 return just the number of iterations.
9830 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9832 PR tree-optimization/27144
9833 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
9834 (record_estimate): Only record constant upper bound.
9835 (infer_loop_bounds_from_undefined): Call
9836 compute_estimated_nb_iterations just once.
9837 (proved_non_wrapping_p): Renamed to ...
9838 (n_of_executions_at_most): ... this. Expect bound to be a constant.
9839 (convert_step_widening, scev_probably_wraps_p): Call
9840 n_of_executions_at_most instead of proved_non_wrapping_p.
9841 (substitute_in_loop_info): Do not replace values in bounds.
9842 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
9845 2006-05-01 Richard Henderson <rth@redhat.com>
9848 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
9849 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
9852 2006-05-01 Roger Sayle <roger@eyesopen.com>
9854 * c-typeck.c (parser_build_binary_op): Don't call the function
9855 unsigned_conversion_warning to spot operand/result type overflow.
9856 (build_binary_op): Instead, call convert_and_check instead of
9857 convert to report the problem when the operands are promoted.
9858 * c-common.c (unsigned_conversion_warning): Make static.
9859 * c-common.h (unsigned_conversion_warning): Delete prototype.
9861 2006-05-01 Richard Guenther <rguenther@suse.de>
9863 PR tree-optimization/26726
9864 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
9866 (find_interesting_uses_address): ... we work around here
9867 by folding INDIRECT_REFs in the substituted base.
9869 2006-05-01 Diego Novillo <dnovillo@redhat.com>
9871 * omp-low.c (dump_omp_region): Add newlines.
9873 2006-04-30 Roger Sayle <roger@eyesopen.com>
9875 * common.opt (Woverflow): New command line option.
9876 * c-common.c (constant_expression_warning): Check warn_overflow.
9877 (overflow_waring): Pass OPT_Woverflow to warning.
9878 (unsigned_conversion_warning): Likewise.
9879 (convert_and_check): Likewise.
9880 * doc/invoke.texi: Document new command line option.
9882 2006-04-30 David Edelsohn <edelsohn@gnu.org>
9884 * config/rs6000/rs6000.c (rs6000_override_options): Enable
9885 TARGET_NO_FP_IN_TOC for section anchors.
9886 (optimization_options): Enable section anchors for all
9887 non-"Objective" languages.
9889 2006-04-28 Eric Christopher <echristo@apple.com>
9891 * config/darwin-c.c (darwin_ms_struct): Move this
9892 (darwin_set_default_type_attributes): and this...
9893 * config/darwin.c: ... here.
9894 * config/darwin.h (darwin_ms_struct): Declare.
9896 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
9898 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
9900 2006-04-28 Roger Sayle <roger@eyesopen.com>
9903 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
9904 (push_array_bounds): Delete prototype. Change BOUNDS argument to
9905 an unsigned HOST_WIDE_INT.
9906 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
9908 (really_start_incremental_init): No need to call convert because
9909 bitsize_zero_node is already of type bitsizetype.
9910 (push_init_level): Extract the value of constructor_index as an
9911 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
9912 (process_init_element): Likewise.
9914 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
9916 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
9917 value before passing to make_relative_prefix.
9919 2006-04-28 Alan Modra <amodra@bigpond.net.au>
9922 * builtins.c (expand_builtin_memset): Expand val in original mode.
9924 2006-04-27 Eric Christopher <echristo@apple.com>
9926 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
9927 with #ifndef/#endif.
9928 * config/darwin-c.c (darwin_ms_struct): New.
9929 (darwin_pragma_ms_struct): Ditto.
9930 (darwin_set_default_type_attributes): Ditto.
9931 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
9932 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
9933 Register ms_struct pragma.
9934 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
9935 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
9936 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
9937 darwin_set_default_type_attributes if TARGET_MACHO.
9939 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
9941 PR tree-optimization/26854
9942 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
9943 * doc/tree-ssa.texi: Update immuse iterator documentation.
9944 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
9945 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
9946 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
9947 first_safe_imm_use, next_safe_imm_use): Remove.
9948 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
9949 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
9950 (move_use_after_head): New. Helper function to sort immuses in a stmt.
9951 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
9952 (first_imm_use_stmt): New. Get first stmt in an immuse list.
9953 (next_imm_use_stmt): New. Get next stmt in an immuse list.
9954 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
9955 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
9956 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
9957 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
9958 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
9959 (perfect_nestify): Use new iterator.
9960 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
9962 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
9963 (next_imm_name): New field in struct immediate_use_iterator_d.
9964 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
9965 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
9966 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
9967 * tree-cfg.c (replace_uses_by): Use new iterator.
9968 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
9969 * tree-ssa-operands.c (correct_use_link): Remove.
9970 (finalize_ssa_use_ops): No longer call correct_use_link.
9972 2006-04-27 Stuart Hastings <stuart@apple.com>
9974 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
9975 * config/t-darwin (crt3.o): Use it.
9976 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
9977 'pmode', use Pmode instead of SImode for SYMBOL_REF.
9978 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
9979 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
9980 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
9983 2006-04-27 Roger Sayle <roger@eyesopen.com>
9985 * expmed.c (store_fixed_bit_field): If we're not optimizing for
9986 size, force the intermediate into a new pseudo rather instead of
9987 performing both a bitwise AND and a bitwise IOR in memory.
9989 2006-04-27 Richard Guenther <rguenther@suse.de>
9991 PR rtl-optimization/26685
9992 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
9993 this one "max-flow-memory-locations".
9995 2006-04-27 Richard Guenther <rguenther@suse.de>
9997 PR tree-optimization/25148
9998 * tree-vrp.c (compare_values): Remove code dealing with
9999 comparisons against type min/max value. Honour overflow
10000 and negative constants in code dealing with comparisons
10001 of plus and minus expressions.
10002 (value_inside_range): Use fold_binary with LE_EXPR and
10003 GE_EXPR rather than compare_values.
10005 2006-04-27 Dirk Mueller <dmueller@suse.de>
10007 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
10010 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
10012 * basic-block.h (safe_insert_insn_on_edge): Removed.
10013 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
10015 2006-04-26 David Edelsohn <edelsohn@gnu.org>
10016 Paolo Bonzini <bonzini@gnu.org>
10018 PR middle-end/27282
10019 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
10020 (simplify_and_const_int): Same.
10022 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
10024 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
10026 2006-04-26 Jakub Jelinek <jakub@redhat.com>
10029 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
10030 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
10031 cgraph_global_info_ready.
10033 PR middle-end/26913
10034 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
10037 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
10038 either decl or init is error_mark_node.
10040 PR middle-end/25989
10041 * tree-flow.h (struct omp_region): Add sched_kind.
10042 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
10043 instead of extracting omp for data.
10044 (expand_omp_for): Save extracted sched_kind.
10046 2006-04-25 Roger Sayle <roger@eyesopen.com>
10048 * expmed.c (store_bit_field): Also check whether the bitsize is
10049 valid for the machine's "insv" instruction before moving the
10050 target into a pseudo for use with the insv.
10051 * config/i386/predicates.md (const8_operand): New predicate.
10052 * config/i386/i386.md (extv, extzv, insv): Use the new
10053 const8_operand predicate where appropriate.
10055 2006-04-25 DJ Delorie <dj@redhat.com>
10057 * doc/install.texi (Specific): Clarify that this is not a list of
10058 supported hosts or targets.
10060 2006-04-25 Richard Sandiford <richard@codesourcery.com>
10062 PR rtl-optimization/26725
10063 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
10064 block's BB_DIRTY flag.
10066 2006-04-25 Geoffrey Keating <geoffk@apple.com>
10068 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
10071 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
10072 to print an integer.
10074 2006-04-25 David Edelsohn <edelsohn@gnu.org>
10076 * varasm.c (align_variable): New function.
10077 (get_block_for_decl): Apply align_variable to DECL before
10078 calculating section information.
10079 (assemble_variable): Split out alignment computation.
10081 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
10083 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
10086 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
10088 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
10089 MODE_PARTIAL_INT mode.
10090 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
10091 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
10093 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
10094 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
10096 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
10098 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
10100 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
10101 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
10102 MACFLAG_IH): Likewise.
10103 (movstricthi_1): Renamed from "*movstricthi".
10104 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
10105 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
10106 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
10107 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
10108 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
10109 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
10110 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
10111 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
10112 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
10113 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
10114 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
10115 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
10116 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
10117 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
10118 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
10120 * doc/rtl.texi (ss_ashift): Improve wording.
10122 2006-04-24 Geoffrey Keating <geoffk@apple.com>
10124 * dwarf2out.c (verify_marks_clear): New.
10125 (prune_unused_types): Call verify_marks_clear initially, not
10128 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
10130 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
10131 * doc/rtl.texi: Document them.
10132 * simplify-rtx.c (simplify_unary_operation,
10133 simplify_binary_operation_1): Don't abort when we see them.
10135 2006-04-24 Mark Mitchell <mark@codesourcery.com>
10138 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10139 * configure.ac: Completely disregard languages that are not
10141 * configure: Regenerated.
10143 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10144 Richard Guenther <rguenther@suse.de>
10146 PR tree-optimization/27236
10147 * tree-inline.c (copy_body_r): Make sure to copy
10148 TREE_THIS_VOLATILE flag.
10150 2006-04-24 Richard Guenther <rguenther@suse.de>
10152 PR middle-end/26869
10153 * tree-complex.c (update_parameter_components): Don't handle
10154 unused parameters which have no default def.
10156 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10157 Richard Guenther <rguenther@suse.de>
10159 PR tree-optimization/27218
10160 * tree-inline.c (expand_call_inline): Strip useless type
10161 conversions for the return slot address.
10163 2006-04-24 Richard Guenther <rguenther@suse.de>
10165 * cfgloop.h (struct loops): Remove unused field array. Reorder
10167 (LOOP_PREFETCH): Remove.
10169 2006-04-24 Richard Guenther <rguenther@suse.de>
10171 PR tree-optimization/22525
10172 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
10173 variable, adjust types of generated expressions.
10175 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
10177 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
10178 (tree-vect-patterns.o): Likewise.
10179 (jump.o): Likewise.
10180 (cselib.o): Likewise.
10181 (loop-doloop.o): Likewise.
10182 (regclass.o): Likewise.
10183 (reload1.o): Likewise.
10184 (explow.o): Replace target.h with $(TARGET_H).
10185 (ipa-prop.o): Likewise.
10186 (ipa-cp.o): Likewise.
10187 (ipa-inline.o): Likewise.
10188 (reorg.o): Likewise.
10189 (reg-stack.o): Likewise.
10191 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10193 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
10195 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10197 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
10199 * configure.ac: Completely disregard languages that are not
10201 * configure: Regenerated.
10204 * c-common.h (c_build_bitfield_integer_type): Declare.
10205 * c-decl.c (c_build_bitfield_integer_type): Move to ...
10206 * c-common.c (c_build_bitfield_integer_type): ... here.
10208 2006-04-23 Roger Sayle <roger@eyesopen.com>
10211 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
10212 a SImode SUBREG of a floating point register after no_new_pseudos.
10214 2006-04-23 Roger Sayle <roger@eyesopen.com>
10216 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
10217 identify potentially eliminable registers to additionally catch
10218 VIRTUAL_INCOMING_ARGS_REGNUM.
10219 (addsi3): Update the conditions on when to use addsi_small_int.
10221 2006-04-23 Roger Sayle <roger@eyesopen.com>
10224 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
10225 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
10226 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
10228 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10230 * fold-const.c (range_predecessor): Use operand_equal_p
10231 as the predicate for equality.
10232 (range_successor): Likewise.
10234 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10237 * config/soft-fp/op-common.h: Fix a typo.
10239 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
10241 PR libmudflap/26864
10242 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
10243 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
10245 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10247 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
10249 * doc/tm.texi: Fix a typo.
10251 2006-04-21 Geoffrey Keating <geoffk@apple.com>
10253 * dwarf2out.c (struct die_struct): Document that die_sib makes
10254 a circular linked list.
10255 (FOR_EACH_CHILD): New.
10256 (reverse_die_lists): Delete.
10257 (reverse_all_dies): Delete.
10258 (add_dwarf_attr): Correct documentation.
10259 (remove_child_with_prev): New.
10260 (remove_child_TAG): Update for change to die_struct, use
10261 remove_child_with_prev.
10262 (add_child_die): Update for change to die_struct.
10263 (splice_child_die): Use remove_child_with_prev and add_child_die.
10264 (print_die): Use FOR_EACH_CHILD.
10265 (die_checksum): Likewise.
10266 (assign_symbol_names): Likewise.
10267 (output_location_lists): Likewise.
10268 (build_abbrev_table): Likewise.
10269 (calc_die_sizes): Likewise.
10270 (mark_dies): Likewise.
10271 (unmark_dies): Likewise.
10272 (unmark_all_dies): Likewise.
10273 (output_die): Likewise.
10274 (prune_unused_types_mark): Likewise.
10275 (prune_unused_types_walk): Likewise.
10276 (same_die_p): Update for change to die_struct.
10277 (break_out_includes): Likewise.
10278 (prune_unused_types_prune): Likewise.
10279 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
10280 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
10281 it's already clear.
10282 (dwarf2out_finish): Don't call reverse_all_dies.
10284 2006-04-21 Eric Christopher <echristo@apple.com>
10286 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
10287 in comments and function names.
10289 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10292 * c-typeck.c (digest_init): Robustify.
10294 * c-typeck.c (pop_init_level): Simplify.
10296 2006-04-21 Steve Ellcey <sje@cup.hp.com>
10298 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
10300 2006-04-21 Paul Brook <paul@codesourcery.com>
10302 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
10303 hardware floating point.
10305 2006-04-21 David Edelsohn <edelsohn@gnu.org>
10307 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
10310 2006-04-21 Nick Clifton <nickc@redhat.com>
10312 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
10315 2006-04-21 Alan Modra <amodra@bigpond.net.au>
10318 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
10319 C++ lang type in traceback table for Objective-C++.
10321 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
10323 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
10325 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
10327 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10330 * tree-mudflap.c (mudflap_finish_file): Skip function when there
10331 were errors. Remove check for erroneous objects.
10333 2006-04-20 Jeff Law <law@redhat.com>
10335 PR tree-optimization/26854
10336 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
10337 checking for zero or one use.
10338 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
10339 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
10340 * tree-ssa-reassoc.c (negate_value): Similarly.
10341 (reassociate_bb): Similarly.
10343 2006-04-20 Jakub Jelinek <jakub@redhat.com>
10345 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
10346 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
10347 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
10349 2006-04-20 Alan Modra <amodra@bigpond.net.au>
10351 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
10352 fp regs if the last fp arg doesn't fit in regs.
10354 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
10357 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
10358 that the last insn has the REG_INC note.
10360 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
10361 Nathan Sidwell <nathan@codesourcery.com>
10364 * stor-layout.c (update_alignment_for_field): Do not align
10366 (place_union_field): Place union field at the start of the union.
10367 (place_field): Move ERROR_MARK check later, and use the current
10368 allocation position to maintain monotonicity.
10370 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
10372 * dominance.c: Include timevar.h.
10373 (calculate_dominance_info): Use TV_DOMINANCE.
10374 * timevar.def (TV_DOMINANCE): New timevar.
10375 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
10377 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10379 PR rtl-optimization/14261
10380 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
10381 move would be an INSV insn.
10382 (noce_process_if_block): Don't optimize if the destination is a
10383 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
10385 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10387 * config/s390/s390.md: Add comments with the instructions emitted
10388 by an insn pattern if macros are used.
10390 2006-04-19 Alan Modra <amodra@bigpond.net.au>
10392 PR rtl-optimization/26026
10393 * fold-const.c (fold_binary): Optimize div and mod where the divisor
10394 is a known power of two shifted left a variable amount.
10396 2006-04-18 Geoffrey Keating <geoffk@apple.com>
10398 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
10399 to hash table twice when the debug_str section has SECTION_MERGE.
10401 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
10403 * config/soft-fp: New directory. From glibc.
10404 * config/soft-fp/t-softfp: New.
10405 * config/soft-fp/README: New.
10406 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
10407 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
10408 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
10409 (LIBGCC_DEPS): Add $(SFP_MACHINE).
10410 * config.gcc: Use rs6000/t-fprules-fpbit or
10411 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
10413 * config/rs6000/sfp-machine.h: New. Based on glibc.
10414 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
10416 * config/rs6000/t-fprules: Remove fp-bit rules.
10417 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
10418 * config/rs6000/t-linux64: Likewise. Remove duplicates from
10419 LIB2FUNCS_EXTRA. Remove fp-bit rules.
10420 (softfp_wrap_start, softfp_wrap_end): New.
10422 2006-04-18 DJ Delorie <dj@redhat.com>
10424 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
10426 2006-04-18 Devang Patel <dpatel@apple.com>
10428 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
10430 2006-04-18 Nick Clifton <nickc@redhat.com>
10432 * config/sh/t-symbian: Add rule to build sh-c.o
10433 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
10434 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
10435 (sh_symbian_encode_section_info): Likewise.
10437 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
10439 * builtins.c (expand_builtin_strcmp): Cover label definition of
10440 do_libcall with HAVE_cmpstrnsi.
10442 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
10444 * function.c (temp_slots_at_level, max_slot_level): Use VEC
10446 * function.h (temp_slot_p): New.
10447 (function): Change the type of x_used_temp_slots to
10448 VEC(temp_slot_p,gc) *.
10450 2006-04-18 Nick Clifton <nickc@redhat.com>
10452 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
10453 flag_strength_reduce.
10455 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
10457 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10461 Partial revert of revision 112637
10462 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10463 Dale Johannesen <dalej@apple.com>
10466 * regclass.c (struct reg_pref): Update documentation.
10467 (regclass): Set prefclass to NO_REGS if memory is the best option.
10468 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10470 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10472 PR tree-optimization/26821
10473 * tree-ssa-math-opts.c (get_constant_one): New.
10474 (insert_reciprocals): Use it.
10476 2006-04-17 Geoffrey Keating <geoffk@apple.com>
10478 * dwarf2out.c (free_AT): Delete.
10479 (remove_AT): Update string ref counts.
10480 (remove_child_TAG): Don't call free_die.
10481 (free_die): Delete.
10482 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
10483 or DW_TAG_GNU_EINCL.
10484 (prune_unused_types_walk_attribs): Reset string refcounts.
10485 (prune_unused_types_update_strings): New.
10486 (prune_unused_types_prune): Don't make unnecessary stores. Don't
10487 call free_die. Do call prune_unused_types_update_strings.
10488 (prune_unused_types): Empty debug_str_hash.
10490 2006-04-17 Roger Sayle <roger@eyesopen.com>
10492 * expr.c (expand_assignment): Optimize away no-op moves where the
10493 source and destination are equal and have no side-effects.
10495 2006-04-17 Richard Guenther <rguenther@suse.de>
10498 * reload.c (push_reload): Guard calls to get_secondary_mem
10499 for memory subregs.
10501 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
10503 * alias.c (reg_base_value, old_reg_base_value): Change the
10504 type to VEC(rtx,gc) *.
10505 (REG_BASE_VALUE, find_base_value, record_set,
10506 init_alias_analysis): Use VEC instead of VARRAY.
10508 * alias.c (alias_sets): Change the type to
10509 VEC(alias_set_entry,gc) *.
10510 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
10511 VEC instead of VARRAY.
10512 (last_alias_set): Remove.
10514 * cgraph.h (cgraph_edge_p): New.
10515 Update the prototype of cgraph_function_versioning.
10516 * cgraphunit.c (cgraph_copy_node_for_versioning,
10517 cgraph_function_versioning): Use VEC instead of VARRAY.
10518 * ipa-cp.c (ipcp_insert_stage): Likewise.
10520 2006-04-16 Roger Sayle <roger@eyesopen.com>
10523 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
10524 "A op B" or "A op C", we may need to convert A to the type of B and C.
10526 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
10528 * target.h (struct gcc_target): Add mode_rep_extended.
10529 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
10530 (init_num_sign_bit_copies_in_rep): Initialize it using
10532 (truncate_to_mode): Use it.
10533 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
10534 * targhooks.h (default_mode_rep_extended): Declare it.
10535 * targhooks.c (default_mode_rep_extended): Define it.
10536 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
10537 default_mode_rep_extended.
10538 (TARGET_INITIALIZER): Include it.
10539 * doc/tm.texi (Misc): Document it.
10540 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
10541 (mips_truncated_to_mode): New function.
10543 2006-04-16 Roger Sayle <roger@eyesopen.com>
10545 PR middle-end/25474
10546 * expr.c (compress_float_constant): Copy the narrow constant into
10547 a new pseudo before extending it to its final width.
10549 2006-04-16 Roger Sayle <roger@eyesopen.com>
10550 Andrew Pinski <pinskia@gcc.gnu.org>
10551 Dale Johannesen <dalej@apple.com>
10554 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
10555 special case code to implement V8HImode and V16QImode with SSE2.
10557 2006-04-15 Roger Sayle <roger@eyesopen.com>
10559 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
10560 trees are constructed with a suitable tree type.
10562 2006-04-15 Roger Sayle <roger@eyesopen.com>
10564 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
10565 (integer_onep): Likewise.
10566 (integer_all_onesp): Likewise.
10567 (integer_pow2p): Likewise.
10568 (integer_nonzerop): Likewise.
10569 (real_zerop): Likewise.
10570 (real_onep): Likewise.
10571 (real_twop): Likewise.
10572 (real_minus_onep): Likewise.
10573 (int_size_in_bytes): Likewise.
10574 (host_integerp): Likewise.
10576 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
10578 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
10579 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
10580 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
10582 * tree-ssa-structalias.h (alias_info): Remove num_references.
10584 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10586 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
10587 (output_bvb patterns): Likewise.
10588 * pa.c (output_bb): Use 'bb' insn for long branch case.
10589 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
10590 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
10591 1. Correct length operand for alternatives 1 and 2.
10592 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
10593 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
10595 2006-04-14 Roger Sayle <roger@eyesopen.com>
10597 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
10598 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
10599 were accidentally reverted by r112959.
10601 2006-04-15 Jakub Jelinek <jakub@redhat.com>
10603 PR middle-end/26823
10604 * except.h (eh_region_outermost): New prototype.
10605 * except.c (eh_region_outermost): New function.
10606 * tree-cfg.c (find_outermost_region_in_block): Use it.
10608 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10610 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
10612 * reload1.c (reg_equiv_memory_loc_varray): Rename to
10613 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
10614 (init_reload, reload): Use VEC instead of VARRAY.
10615 * reload.h: Update the prototype for
10616 reg_equiv_memory_loc_varray.
10618 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
10619 Eric Botcazou <ebotcazou@libertysurf.fr>
10621 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
10622 register save area.
10624 2005-04-13 Uros Bizjak <uros@kss-loka.si>
10626 PR middle-end/27134
10627 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
10628 to expand fallback builtin function call.
10630 2006-04-14 Alan Modra <amodra@bigpond.net.au>
10632 PR middle-end/27095
10633 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
10634 and emit libcall here in case the builtin fails.
10635 (expand_builtin_strcmp): Always emit the libcall here on failure.
10637 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10639 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
10640 * flow.c (reg_n_info): Change the type to
10641 VEC(reg_info_p,heap) *.
10642 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
10644 * regs.h (reg_info_p): New.
10645 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
10646 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
10647 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
10650 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
10652 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
10654 * params.h (MAX_SCHED_READY_INSNS): New macro.
10655 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
10656 past MAX_SCHED_READY_INSNS during the first scheduling pass.
10657 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
10658 the ready list for 1 cycle during the first scheduling pass.
10659 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
10661 2006-04-13 Richard Henderson <rth@redhat.com>
10664 * gimple-low.c (lower_omp_directive): Remove dead code.
10665 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
10666 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
10667 * omp-low.c (struct omp_region): Move to tree-flow.h.
10668 (root_omp_region): Export.
10669 (omp_regions, lookup_omp_region): Remove.
10670 (determine_parallel_type): Update for struct omp_region changes.
10671 (dump_omp_region): Dump regions with block numbers.
10672 (new_omp_region): Take type and block instead of stmt; malloc
10674 (free_omp_region_1, free_omp_regions): New.
10675 (expand_parallel_call): Take entry_stmt as argument; update for
10676 changes to omp_region.
10677 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
10678 (remove_exit_barriers): New.
10679 (expand_omp_parallel): Update for struct omp_region changes.
10680 (expand_omp_synch): Likewise.
10681 (expand_omp): Likewise.
10682 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
10683 (expand_omp_for_static_chunk): Likewise.
10684 (expand_omp_for): Likewise.
10685 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
10686 (expand_omp_sections): Similarly, with GOMP_sections_end.
10687 (expand_omp_single): New.
10688 (build_omp_regions_1): Update for OMP_CONTINUE.
10689 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
10690 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
10691 OMP_SECTIONS_SECTIONS.
10692 (lower_omp_single_simple): Don't emit barrier here.
10693 (lower_omp_single_copy): Likewise.
10694 (lower_omp_single): Fix bindings, and lower to straightline now.
10695 (lower_omp_master, lower_omp_ordered): Likewise.
10696 (lower_omp_critical): Likewise.
10697 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
10698 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
10699 omp edges, free it afterward.
10700 (make_omp_sections_edges): Remove.
10701 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
10702 (move_stmt_r): Handle OMP_CONTINUE.
10703 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
10704 statement pointers to basic blocks. Add type member.
10705 (root_omp_region, new_omp_region, free_omp_regions): Declare.
10706 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
10707 * tree-inline.c (estimate_num_insns_1): Likewise.
10708 * tree-pretty-print.c (dump_generic_node): Likewise.
10709 * tree-ssa-operands.c (get_expr_operands): Likewise.
10710 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
10711 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
10712 (OMP_CONTINUE): New.
10713 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
10714 (OMP_SECTIONS_SECTIONS): Remove.
10715 (OMP_SECTION_LAST): New.
10716 (OMP_RETURN_NOWAIT): New.
10718 2006-04-13 Roger Sayle <roger@eyesopen.com>
10720 * fold-const.c (native_encode_vector, native_interpret_real):
10721 Correct obvious mistakes in the previous check-in.
10723 2006-04-13 Roger Sayle <roger@eyesopen.com>
10725 * fold-const.c (native_encode_expr): New function to encode
10726 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
10727 or VECTOR_CST into a specified buffer.
10728 (native_encode_int): New function.
10729 (native_encode_real): New function.
10730 (native_encode_complex): New function.
10731 (native_encode_vector): New function.
10732 (native_interpret_expr): Inverse of native_encode_expr to convert
10733 a target representation into an INTEGER_CST, REAL_CST etc...
10734 (native_interpret_int): New function.
10735 (native_interpret_real): New function.
10736 (native_interpret_complex): New function.
10737 (native_interpret_vector): New function.
10738 (fold_view_convert_expr): New function to constant fold/evaluate
10739 a VIEW_CONVERT_EXPR of a suitable constant expression.
10740 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
10741 Change call of build1 to fold_build1 when constructing a
10744 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
10745 Ulrich Weigand <uweigand@de.ibm.com>
10748 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
10751 2006-04-13 Alan Modra <amodra@bigpond.net.au>
10754 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
10755 optimize to lo_sum for DFmode if !TARGET_FPRS.
10757 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10759 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
10760 delete_alias_info, compute_flow_sensitive_aliasing,
10761 group_aliases): Use VEC instead of VARRAY.
10762 * tree-ssa-structalias.c (update_alias_info): Likewise.
10763 * tree-ssa-structalias.h (alias_info): Change the type of
10764 processed_ptrs to VEC(tree,heap) *.
10766 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
10769 * config/sh/lib1funcs.h: New file, broken out of:
10770 * config/sh/lib1funcs.asm.
10771 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
10773 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
10774 * config/sh/lib1funcs-Os-4-200.asm: New file.
10775 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
10776 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
10777 (EXTRA_MULTILIB_PARTS): Include it.
10778 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
10779 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
10780 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
10781 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
10784 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10786 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
10787 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
10788 tpa_compact, root_var_init, type_var_init): Use VEC instead of
10790 * tree-ssa-live.h: Include vecprim.h.
10791 (tree_partition_associator_d): Change the type of
10792 first_partition to VEC(int,heap) *.
10793 (tpa_first_partition): Use VEC instead of VARRAY.
10795 * Makefile.in (GTFILES): Move functions.h after tree.h.
10796 * function.c (reset_block_changes, record_block_change,
10797 check_block_change, free_block_changes): Use VEC instead of
10799 * function.h (function): Change the type of
10800 ib_boundaries_block to VEC(tree,gc) *.
10801 * tree-inline.c (copy_cfg_body): Initialize
10802 ib_boundaries_block to NULL instead of (varray_type) 0.
10804 2006-04-12 Roger Sayle <roger@eyesopen.com>
10806 * expr.c (emit_group_store): Correct operand order in call to
10807 subreg_lowpart_offset. Always create paradoxical SUBREGs with
10808 a SUBREG_BYTE of zero.
10810 2006-04-12 Richard Guenther <rguenther@suse.de>
10812 * profile.c (compute_branch_probabilities): Remove code
10813 encapsulated in !ir_type (), which are remanents of the
10814 removed RTL profiling code.
10815 * rtl-profile.c: Remove.
10817 2006-04-12 Alan Modra <amodra@bigpond.net.au>
10819 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
10820 magic NULL_RTX comment.
10821 (function_arg): Store entire fp arg to mem if any part should go
10823 (rs6000_arg_partial_bytes): Adjust for above change.
10825 2006-04-11 Roger Sayle <roger@eyesopen.com>
10827 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
10828 if it hasn't been initialized by dwarf2out_init.
10830 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
10832 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
10833 symbolic constants in branch patterns.
10835 2006-04-11 Roger Sayle <roger@eyesopen.com>
10837 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
10839 2006-04-11 Richard Sandiford <richard@codesourcery.com>
10841 PR rtl-optimization/27073
10842 * gcse.c (try_replace_reg): Revert last change. Continue to search
10843 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
10846 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
10848 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
10849 aggregate types other than record and union types.
10850 (function_arg): Likewise.
10851 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
10853 (function_value): In 64-bit mode, return objects that require it
10856 2006-04-11 Roger Sayle <roger@eyesopen.com>
10858 * dwarf2out.c (premark_used_types): Remove problematic prototype.
10860 2006-04-11 Jakub Jelinek <jakub@redhat.com>
10862 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
10864 2006-04-03 Jeff Law <law@redhat.com>
10867 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
10868 alias information too.
10870 2006-04-10 Mike Frysinger <vapier@gentoo.org>
10872 * Makefile.in (gcc-cross): Add $(exeext) to target name.
10874 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
10877 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
10878 (premark_used_types_helper): New.
10879 (premark_used_types): New.
10880 (gen_subprogram_die): Call premark_used_types.
10881 (prune_unused_types_walk): Do not prune perennial dies.
10882 * function.c (used_types_insert): New.
10883 * function.h (struct function): Add used_types_hash field.
10884 (used_types_insert): Add prototype.
10885 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
10886 * c-parser.c (c_parser_cast_expression): Save casted types in used
10889 2006-04-11 Mark Mitchell <mark@codesourcery.com>
10892 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
10893 rs6000_explicit_options.float_gprs.
10895 2006-04-10 Roger Sayle <roger@eyesopen.com>
10897 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
10898 from ix86_expand_vector_init_low_nonzero. Take an additional
10899 one_var argument indicating which element is non-zero. Support
10900 one_var != 0 for V4SFmode and V4SImode by permuting the result.
10901 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
10902 with one_var instead of ix86_expand_vector_init_low_nonzero.
10904 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
10906 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
10907 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
10908 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
10909 build/genextract.o): Depend on vecprim.h.
10910 * cfglayout.c, df-problems.c, function.c, genextract.c,
10911 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
10912 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
10916 2006-04-10 Geoffrey Keating <geoffk@apple.com>
10918 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
10919 Declare VECs of this type.
10920 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
10921 (remove_children): Delete.
10922 (add_dwarf_attr): Use VEC routines.
10923 (add_AT_flag): Update for changes to add_dwarf_attr.
10924 (add_AT_int): Likewise.
10925 (add_AT_unsigned): Likewise.
10926 (add_AT_long_long): Likewise.
10927 (add_AT_vec): Likewise.
10928 (add_AT_string): Likewise.
10929 (add_AT_die_ref): Likewise.
10930 (add_AT_fde_ref): Likewise.
10931 (add_AT_loc): Likewise.
10932 (add_AT_loc_list): Likewise.
10933 (add_AT_addr): Likewise.
10934 (add_AT_lbl_id): Likewise.
10935 (add_AT_lineptr): Likewise.
10936 (add_AT_macptr): Likewise.
10937 (add_AT_offset): Likewise.
10938 (add_AT_range_list): Likewise.
10939 (get_AT): Use VEC_iterate.
10940 (remove_AT): Use VEC_ordered_remove.
10941 (free_die): Fold remove_children into here; have it use VEC_iterate.
10942 (print_die): Use VEC_iterate on attrs.
10943 (reverse_die_lists): Don't reverse attr lists.
10944 (die_checksum): Use VEC_iterate on attrs.
10945 (same_die_p): Likewise.
10946 (output_location_lists): Likewise.
10947 (build_abbrev_table): Likewise.
10948 (size_of_die): Likewise.
10949 (unmark_all_dies): Likewise.
10950 (output_abbrev_section): Likewise.
10951 (output_die): Likewise.
10952 (prune_unused_types_walk_attribs): Likewise.
10954 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10956 * doc/install.texi (*-*-solaris2*): Point to the configure page.
10958 2006-04-10 Jakub Jelinek <jakub@redhat.com>
10961 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
10963 2006-04-09 Roger Sayle <roger@eyesopen.com>
10965 * expr.c (store_constructor): Don't bother clearing target if
10966 we're about to assign a vector to it using vec_init_optab.
10968 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
10970 * tree-ssa-alias.c (lhs_may_store_to): New function.
10971 (recalculate_used_alone): Handle LHS of calls.
10973 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10977 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
10978 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
10979 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
10980 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
10981 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
10982 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
10983 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
10984 stubs. Add ".align 8" directives before all ".dword" directives.
10985 (GTHREAD_USE_WEAK): Revise comment.
10986 (TARGET_ATTRIBUTE_WEAK): Define.
10987 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
10988 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
10989 * stublib.c: New file.
10994 * pa.md (cbranch patterns): Revise arguments used in calls to
10995 output_cbranch, output_bb and output_bvd. Add long branch length
10997 (fbranch patterns): Handle long branches.
10998 (jump): Revise length check. Revise arguments for output_lbranch call.
10999 Add long branch length attributes.
11000 (decrement_and_branch_until_zero): Add long branch length attributes.
11001 (output_movb, output_parallel_addb and output_parallel_movb patterns):
11002 Likewise. Revise arguments for output_parallel_addb and
11003 output_parallel_movb calls.
11004 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
11005 output_parallel_movb and output_parallel_addb): Update prototypes.
11006 * pa.c (output_cbranch): Revise arguments. Correct handling of
11007 nullification in long branches.
11008 (output_lbranch): Add new argument to control extraction of delay
11010 (output_bb): Handle long branches.
11011 (output_bvb, output_dbra, output_movb, output_parallel_movb,
11012 output_parallel_addb): Likewise.
11014 2006-04-09 Richard Sandiford <richard@codesourcery.com>
11016 PR rtl-optimization/27073
11017 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
11020 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
11022 * tree.h (tree_memory_tag): Add old_used_alone.
11023 (SMT_OLD_USED_ALONE): New macro.
11024 * tree-ssa-alias.c (recalculate_used_alone): Stop
11025 marking things for renaming unnecessarily.
11027 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
11029 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
11030 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
11031 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
11032 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
11033 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
11034 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
11035 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
11036 spelling convensions.
11037 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
11038 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
11039 typos. Follow spelling conventions.
11041 2006-04-07 DJ Delorie <dj@redhat.com>
11043 * config/m32c/m32c.c (m32c_function_arg): Structures are always
11044 passed on the stack.
11045 (m32c_init_cumulative_args): When a function returns a structure,
11046 always pass the pointer to that return area on the stack.
11047 (m32c_function_arg_advance): Don't increment the parameter number
11048 if we're processing the returned structure pointer.
11049 (pushm_info): Reverse order of registers.
11051 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
11053 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
11054 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11055 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
11056 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
11057 build_int_cst_type.
11058 * tree-chrec.c (chrec_fold_multiply_poly_poly,
11059 chrec_fold_multiply): Same.
11060 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
11061 force_expr_to_var_cost): Same.
11062 * tree-mudflap.c (mf_xform_derefs_1): Same.
11063 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
11065 2006-04-07 David Edelsohn <edelsohn@gnu.org>
11067 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
11068 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
11071 2006-04-07 Jan Hubicka <jh@suse.cz>
11073 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
11075 2006-04-07 Richard Guenther <rguenther@suse.de>
11077 PR tree-optimization/26135
11078 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
11079 loads for store copy-prop.
11080 (copy_prop_visit_stmt): Likewise.
11082 2006-04-05 Robert Millan <robertmh@gnu.org>
11084 * config/i386/linux.h: Add a comment to mark macros that are
11085 being overriden in config/k*bsd-gnu.h.
11086 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
11088 * config/knetbsd-gnu.h: Ditto.
11090 2006-04-06 Jan Hubicka <jh@suse.cz>
11094 * coverage.c (coverage_checksum_string): Reorganize loop to not read
11097 2006-04-06 Mike Stump <mrs@apple.com>
11099 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
11100 for HAVE_nonlocal_goto to be consistent.
11101 (expand_builtin_nonlocal_goto): Likewise.
11102 (expand_builtin_strcmp): Use #ifdef instead of #if
11103 for HAVE_cmpstrnsi to be consistent.
11105 2006-04-05 DJ Delorie <dj@redhat.com>
11107 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
11110 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
11112 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
11113 got-relative addressing for anything but SImode.
11115 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
11116 even if the calling function doesn't modify them.
11118 2006-04-05 Richard Guenther <rguenther@suse.de>
11120 PR tree-optimization/26919
11121 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
11122 to cgraph_estimate_size_after_inlining.
11124 2006-04-05 Alan Modra <amodra@bigpond.net.au>
11126 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
11128 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
11130 PR tree-optimization/26996
11131 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
11132 VECTOR_TYPE variables.
11134 2006-04-05 Richard Guenther <rguenther@suse.de>
11136 PR tree-optimization/26763
11137 * fold-const.c (fold_comparison): Move folding of
11138 PTR + CST CMP PTR + CST ...
11139 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
11141 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
11143 * doc/install.texi (Prerequisites): Refine some wording on
11144 bootstrapping and ksh.
11145 Move the version numbers of DejaGnu here from the testing section
11146 and fix casing of names.
11147 Fix markup and clarify wording for autogen requirements.
11148 Refer to GCJ instead of just java.
11149 Refer to SVN instead of CVS.
11150 Describe diffutils as useful instead of necessary.
11151 (Downloading the source): Refer to SVN instead of CVS.
11152 Adjust a link to our web site accordingly.
11153 (Configuration): Fix casing of Bison.
11154 (Building): Refer to SVN instead of CVS.
11155 Fix a sentence on the use of Bison and remove duplicate (and
11156 incorrect) version number of Bison requirement.
11157 Remove one redundant list of packages needed for building.
11158 (Specific): Avoid reference to CVS.
11160 2006-04-04 Eric Christopher <echristo@apple.com>
11162 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
11163 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
11164 (rs6000_handle_struct_attribute): New.
11165 (rs6000_ms_bitfield_layout_p): Ditto.
11167 2006-04-04 Geoffrey Keating <geoffk@apple.com>
11169 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
11170 NULL for dso parameter to atexit_common.
11172 2006-04-04 Eric Christopher <echristo@apple.com>
11174 * config/i386/i386.c (machopic_output_stub): Output \t
11175 between instructions and operands.
11177 2006-04-04 David Edelsohn <edelsohn@gnu.org>
11179 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
11180 satisfies_constraint_[IL] to explicit tests on value.
11182 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
11184 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11185 set_nb_iterations_in_loop): Use build_int_cst instead of
11186 build_int_cst_type.
11187 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
11188 build_int_cst instead of convert.
11190 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
11192 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
11193 new value 2 for incoming.
11194 * function.c (expand_function_start): Call struct_value_rtx
11195 with incoming as 2.
11196 * config/sparc/sparc.md: Comment updated_return.
11197 * config/sparc/sparc.opt: Add -mstd-struct-return option.
11198 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
11199 struct return if sparc_std_struct_return and incoming is 2.
11200 (print_operand): Do not adjust return if
11201 sparc_std_struct_return.
11203 2006-04-04 Roger Sayle <roger@eyesopen.com>
11205 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
11206 convert in the middle-end.
11207 * expr.c (store_expr, store_constructor, get_inner_reference,
11208 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
11210 * tree.c (build_range_type): Likewise.
11212 2006-04-04 Tom Tromey <tromey@redhat.com>
11214 * doc/install.texi (Prerequisites): Mention jar.
11216 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
11218 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
11221 2006-04-04 Matthias Klose <doko@debian.org>
11223 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
11227 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
11230 2006-04-03 Geoffrey Keating <geoffk@apple.com>
11232 * doc/extend.texi (Function Attributes): Rewrite visibility
11233 attribute documentation.
11234 * doc/invoke.texi (C++ Dialect Options): Rewrite
11235 -fvisibility-inlines-hidden documentation to describe something
11236 entirely different, although in practise compatible.
11237 (Code Gen Options): Warn about system headers in -fvisibility=
11240 * doc/extend.texi (Other Builtins): Document that
11241 __builtin_nan is a compile-time constant only when its argument
11244 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
11246 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
11247 trying to remove TRUNCATE check if all bits outside the new mode
11248 are identical to the sign bit.
11250 2006-04-03 Jeff Law <law@redhat.com>
11252 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
11253 and operand scanning in some common cases.
11255 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
11256 Dale Johannesen <dalej@apple.com>
11259 * regclass.c (struct reg_pref): Update documentation.
11260 (regclass): Set prefclass to NO_REGS if memory is the best option.
11261 (record_reg_classes): Cope with a prefclass set to NO_REGS.
11262 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
11263 into account. For non-registers, equate an empty preferred
11264 reload class to a `!' in the constraint; move the if clause to
11265 do so after those that reject the insn.
11266 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
11268 (find_dummy_reload): Likewise.
11269 * doc/tm.texi (Register Classes): Document what it means
11270 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
11271 * config/i386/i386.c (ix86_preferred_reload_class): Force
11272 using SSE registers (and return NO_REGS for floating-point
11273 constants) if math is done with SSE.
11274 (ix86_preferred_output_reload_class): New.
11275 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
11276 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
11277 * config/i386/i386.md: Remove # register preferences.
11279 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11282 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11283 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
11284 the type of nb_iter.
11285 (instantiate_parameters_1): Convert the operands before calling
11286 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
11287 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
11289 2006-04-02 Roger Sayle <roger@eyesopen.com>
11291 * builtins.c (dummy_object): Use build_int_cst instead of convert.
11292 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
11293 instead of convert.
11294 * dojump.c (do_jump): Likewise.
11295 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
11296 * gimplify.c (gimple_boolify, gimplify_init_constructor,
11297 gimplify_boolean_expr): Likewise.
11298 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
11299 * varasm.c (array_size_for_constructor): Likewise.
11300 * tree-object-size.c (compute_object_offset): Likewise.
11302 2006-04-02 Roger Sayle <roger@eyesopen.com>
11304 PR middle-end/26977
11305 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
11306 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
11308 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11310 PR tree-optimization/26939
11311 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
11313 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11315 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
11316 at_stmt. Convert the type of operands before calling
11317 build_polynomial_chrec.
11318 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
11319 add_to_evolution_1.
11320 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
11321 (instantiate_parameters_1): Convert the type of operands before calling
11322 build_polynomial_chrec.
11323 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
11324 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
11325 reset_evolution_in_loop): Insert asserts to check the types of the
11327 (chrec_type): Moved...
11328 (eq_evolutions_p): Use operand_equal_p.
11329 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
11330 the types of the operands.
11331 (chrec_type): ...here.
11332 * tree-data-ref.c (create_data_ref): Convert the operands before
11333 calling chrec_replace_initial_condition.
11334 (same_access_functions, analyze_subscript_affine_affine,
11335 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
11336 (compute_subscript_distance, analyze_ziv_subscript,
11337 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
11338 analyze_miv_subscript): Convert the operands before calling
11339 chrec_fold_minus or chrec_fold_plus.
11341 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11343 * tree-data-ref.c (compute_all_dependences): Use a pointer to
11344 the dependence_relations vector.
11345 (compute_data_dependences_for_loop): Adjust call to
11346 compute_all_dependences.
11348 2006-04-01 Roger Sayle <roger@eyesopen.com>
11349 Richard Henderson <rth@redhat.com>
11351 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
11352 gimple_boolify on the condition before calling gimplify_expr.
11354 2006-03-31 Bob Wilson <bob.wilson@acm.org>
11356 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
11357 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
11358 the frame size. Update to use the new macros.
11359 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
11360 * config/xtensa/ieee754-df.S: Likewise.
11362 2006-03-31 Richard Henderson <rth@redhat.com>
11364 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
11365 (make_edges): ... here. Control fallthru creation with a local
11366 variable. Do not play with fake edges.
11367 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
11368 (make_goto_expr_edges): Don't play with fake edges. Make for_call
11371 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
11373 * dwarf2.h (DW64_CIE_ID): Define.
11374 * dwarf2out.c (DWARF_CIE_ID): Define.
11375 (output_call_frame_info): Output 0xffffffff before standard 8-byte
11376 length header. Use DWARF_CIE_ID.
11377 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
11378 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
11380 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
11382 * config/sh/linux-atomic.asm: New file.
11383 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
11385 2006-03-31 DJ Delorie <dj@redhat.com>
11387 * config/m32c/cond.md: Set condition flags properly throughout.
11388 * config/m32c/minmax.md: Likewise.
11389 * config/m32c/prologue.md: Likewise.
11390 * config/m32c/bitops.md: Likewise.
11391 * config/m32c/muldiv.md: Likewise.
11392 * config/m32c/mov.md: Likewise.
11393 * config/m32c/addsub.md: Likewise.
11394 * config/m32c/m32c.md: Likewise.
11395 * config/m32c/jump.md: Likewise.
11396 * config/m32c/shift.md: Likewise.
11398 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
11399 conditionally output the pattern for this.
11400 * config/m32c/m32c.c (flags_needed_for_conditional): New.
11401 (m32c_compare_redundant): New.
11402 (m32c_output_compare): New.
11403 * config/m32c/m32c-protos.h (m32c_output_compare): New.
11405 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
11406 dest, not src. Allow other 4-byte modes.
11408 2006-03-30 Denis Chertykov <denisc@overta.ru>
11410 * doc/md.texi: Refer to avr/constraints.md instead of
11413 2006-03-30 Roger Sayle <roger@eyesopen.com>
11415 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
11416 signed vs. unsigned comparison failures on some hosts.
11418 2006-03-31 Alan Modra <amodra@bigpond.net.au>
11421 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
11422 change to FLOAT_REGS.
11424 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
11425 (rs6000_override_options): Use it.
11426 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
11427 only for -mabi=spe/no-spe and -mabi=altivec.
11429 2006-03-30 Geoffrey Keating <geoffk@apple.com>
11431 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
11434 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
11436 * Makefile.in: Rename docdir to gcc_docdir.
11438 2006-03-30 Roger Sayle <roger@eyesopen.com>
11441 * expr.c (emit_group_store): Optimize group stores into a pseudo
11442 register by using a paradoxical subreg to initialize the destination
11443 if the first or last member of the group specifies a "low part".
11445 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11448 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
11449 * target.h (struct gcc_target.speculate_insn): Change type of the
11450 second parameter to 'int'.
11451 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
11452 the second operand of the DEPS_LIST.
11453 (copy_DEPS_LIST_list): Update reference to the second operand of the
11455 * rtl.h (alloc_DEPS_LIST): Update signature.
11456 * sched-int.h (ds_t): Change typedef to 'int'.
11457 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11459 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11461 * haifa-sched.c (try_ready): Change condition to restore
11462 non-speculative pattern of the instruction.
11463 (process_insn_depend_be_in_spec): Code to keep probability of the
11464 speculative dependence non-decreasing.
11466 2006-03-30 Jie Zhang <jie.zhang@analog.com>
11468 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
11469 (single_move_for_movmem): ... this. Also change all uses.
11470 (bfin_expand_strmov): Renamed to...
11471 (bfin_expand_movmem): ... this. Also change all uses.
11472 * config/bfin/bfin.md (movstrsi): Renamed to...
11473 (movstrsi): ...this.
11475 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
11477 PR tree-optimization/26830
11479 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
11480 (copy_prop_visit_stmt): Remove write-only variable ann.
11481 (init_copy_prop): Check variable loop depth here. Do not simulate
11482 memory-tag and virtual operand PHIs except for store copy prop.
11484 2006-03-30 Richard Guenther <rguenther@suse.de>
11486 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
11487 variants with double arguments.
11489 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11491 * genpreds.c (write_tm_constrs_h): Delete variable p.
11492 * genconditions.c (write_header): Add tm-constrs.h to included
11494 * genpeep.c (main): Add toplev.h to included headers.
11495 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
11496 (build/genpeep.o): Add toplev.h dependency.
11497 * config/rs6000/constraints.md: Add "W" constraint.
11499 2006-03-29 Roger Sayle <roger@eyesopen.com>
11501 * stor-layout.c (mode_for_size_tree): Remove restiction on type
11502 sizes by correctly testing whether the size fits a host integer.
11503 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
11504 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
11505 SImode range for the default sizetype and bitsizetype.
11507 2006-03-29 Roger Sayle <roger@eyesopen.com>
11509 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
11510 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
11511 quickly if the argument is already of the correct type.
11512 Call fold_build1 instead of build1. Tidy up blank lines.
11514 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11516 * genemit.c (main): Add tm-constrs.h to included headers.
11517 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
11518 * genpeep.c (main): Add tm-constrs.h to included headers.
11519 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
11520 (write_tm_constrs_h): this and write complete file.
11521 (write_tm_preds_h): Do not emit satisfies_constraint fns.
11522 (write_insn_preds_c): Add tm-constrs.h to included headers.
11523 (gen_constrs): New variable.
11524 (parse_option): Parse "-c".
11525 (main): Invoke write_tm_constrs_h.
11526 * genrecog.c (write_header): Add tm-constrs.h to included headers.
11527 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
11528 (object_out_file): Add tm-constrs.h dependency.
11529 (insn-emit.o): Same.
11530 (insn-output.o): Same.
11531 (insn-peep.o): Same.
11532 (insn-preds.o): Same.
11533 (insn-recog.o): Same.
11534 (tm-constsr.h): New target.
11535 (s-constrs-h): New target.
11537 * config/rs6000/constraints.md: New file.
11538 * config/rs6000/rs6000.c: Include tm-constrs.h.
11539 (num_insn_constant_wide): Convert to satisfies_constraint.
11540 (rs6000_rtx_costs): Convert to satisfies_constraint.
11541 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
11542 (CONST_OK_FOR_LETTER_P): Delete.
11543 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11544 (EXTRA_CONSTRAINT): Delete.
11545 (EXTRA_MEMORY_CONSTRAINT): Delete.
11546 (EXTRA_ADDRESS_CONSTRAINT): Delete.
11547 * config/rs6000/predicates.md: Convert to satisfies_constraint.
11548 * config/rs6000/rs6000.md: Include constraints.md. Convert to
11549 satisfies_constraint.
11551 * config/i386/i386.c: Include tm-constrs.h.
11553 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11555 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
11556 * tree-data-ref.c (find_data_references_in_loop,
11557 compute_data_dependences_for_loop): Use pointers to VEC.
11558 (analyze_all_data_dependences): Adjust calls.
11559 * tree-data-ref.h (find_data_references_in_loop,
11560 compute_data_dependences_for_loop): Adjust declarations.
11561 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
11562 compute_data_dependences_for_loop.
11564 2006-03-29 Paul Brook <paul@codesourcery.com>
11566 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
11567 (movdf_vfp): Ditto.
11569 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11571 PR tree-optimization/26859
11572 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
11574 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
11575 for the step after fold_convert.
11577 2006-03-29 Paul Brook <paul@codesourcery.com>
11579 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
11580 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
11582 2006-03-29 Paul Brook <paul@codesourcery.com>
11584 PR middle-end/23623
11585 * targhooks.c (default_narrow_bitfield): New fuction.
11586 * targhooks.h (default_narrow_bitfield): add prototype.
11587 * target.h (gcc_target): Add narrow_volatile_bitfield.
11588 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11589 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
11590 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
11591 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11593 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
11595 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
11597 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
11598 (NR_C_MODES): Add TDmode, DDmode and SDmode.
11599 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
11600 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
11601 (s390_function_arg_float): Allow SDmode and DDmode values to be
11602 passed in floating point registers.
11603 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
11604 check with SCALAR_FLOAT_MODE_P.
11605 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
11607 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11609 PR tree-optimization/25985
11610 * tree-ssa-loop-niter.c (number_of_iterations_le,
11611 number_of_iterations_ne): Make comments more precise.
11612 (number_of_iterations_cond): Add only_exit argument. Use the
11613 fact that signed variables do not overflow only when only_exit
11615 (loop_only_exit_p): New.
11616 (number_of_iterations_exit): Pass result of loop_only_exit_p to
11617 number_of_iterations_cond.
11619 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11621 PR tree-optimization/26643
11622 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
11625 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
11627 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
11628 (divsi3_i4_int): Likewise.
11630 2006-03-28 Roger Sayle <roger@eyesopen.com>
11632 * expr.c (emit_group_store): Only create a new pseudo reg if the
11633 quantity it needs to hold isn't already a suitable pseudo.
11635 2006-03-28 Jeff Law <law@redhat.com>
11637 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
11638 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
11640 2006-03-28 Roger Sayle <roger@eyesopen.com>
11642 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
11643 the equivalent ~X & Y, and the symmetry related transformations.
11644 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
11645 ~X & Y, and symmetry related transforms.
11647 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11649 Revert my 2006-03-27 patches.
11651 2006-03-28 Roger Sayle <roger@eyesopen.com>
11653 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
11654 ~(T1)X, when T1 and T2 are integer types of the same precision
11655 and (T2)X isn't an extension.
11657 2006-03-28 Jeff Law <law@redhat.com>
11659 PR tree-optimization/26796
11660 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
11661 need EH edge cleanups rather than purging them immediately.
11662 (eliminate_degenerate_phis): Handle queued EH cleanups.
11664 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
11666 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
11669 2006-03-27 Roger Sayle <roger@eyesopen.com>
11671 PR middle-end/22524
11672 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
11673 cast BIT_NOT_EXPR operand to the correct type.
11675 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
11677 * tree-loop-linear.c: Don't include varray.h.
11678 (gather_interchange_stats, try_interchange_loops,
11679 linear_transform_loops): Use VEC instead of VARRAY.
11680 * lambda-mat.c: Don't include varray.h.
11681 * tree-chrec.c: Same.
11682 * lambda-trans.c: Same.
11683 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
11684 VEC instead of VARRAY.
11685 * tree-vectorizer.h: Idem.
11686 * tree-data-ref.c (dump_data_references,
11687 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
11688 initialize_data_dependence_relation, finalize_ddr_dependent,
11689 compute_all_dependences, find_data_references_in_loop,
11690 compute_data_dependences_for_loop, analyze_all_data_dependences,
11691 free_dependence_relation, free_dependence_relations,
11692 free_data_refs): Idem.
11693 * tree-data-ref.h (data_reference_p, subscript_p): New.
11694 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
11695 VEC instead of VARRAY.
11696 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
11697 (find_data_references_in_loop, compute_data_dependences_for_loop,
11698 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
11699 dump_data_dependence_relations, free_dependence_relations,
11700 free_data_refs): Adjust declaration.
11701 (lambda_transform_legal_p): Move declaration here...
11702 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
11703 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
11704 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
11705 vect_analyze_data_refs): Use VEC instead of VARRAY.
11706 * lambda.h (lambda_transform_legal_p): ...from here.
11707 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
11708 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
11709 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
11710 tree-chrec.o): Don't depend on VARRAY_H.
11712 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11714 * rtl.def (Copyright): Update date.
11715 (DEPS_LIST): Change type of the second operand to 'int'.
11716 * target.h (Copyright): Update date.
11717 (struct gcc_target.speculate_insn): Change type of the second parameter
11719 * lists.c (Copyright): Update date.
11720 (alloc_DEPS_LIST): Change signature. Update reference to the second
11721 operand of the DEPS_LIST.
11722 (copy_DEPS_LIST_list): Update reference to the second operand of the
11724 * rtl.h (Copyright): Update date.
11725 (alloc_DEPS_LIST): Update signature.
11726 * sched-int.h (Copyright): Update date.
11727 (ds_t): Change typedef to 'int'.
11728 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11730 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11732 * haifa-sched.c (Copyright): Update date.
11733 (try_ready): Change condition to restore non-speculative pattern
11734 of the instruction.
11735 (process_insn_depend_be_in_spec): Code to keep probability of the
11736 speculative dependence non-decreasing.
11738 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
11740 * regrename.c (replace_oldest_value_addr): Initialize a variable to
11741 shut up the compiler.
11743 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
11745 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
11746 to use lib prefix for target.
11747 ($(T)libic_invalidate_array_4-200.a): Likewise.
11748 ($(T)libic_invalidate_array_4a.a): Likewise.
11750 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
11751 J"orn Rennecke <joern.rennecke@st.com>
11753 * superh.opt: New file.
11754 * sh.c (boardtype, osruntime): Remove.
11755 * superh.h (SUBTARGET_OPTIONS): Remove.
11756 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
11758 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
11759 arguments with ^ and/or [].
11761 * config.gcc (sh-*-*): Add quoting to account for quirk of
11763 Replace == with = in enable_incomplete_targets test.
11765 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
11766 with MASK_LITTLE_ENDIAN.
11768 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
11769 * config/sh/sh.opt: Added to some comments.
11770 * config/sh/superh.h: Removed some chaff.
11772 * config/sh/sh.opt: Add m4-[1234]00* options.
11773 * config/sh/sh.c (sh_handle_option): Likewise.
11774 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
11775 (ic_invalidate_array_4-100.o): New rule.
11776 ($(T)libic_invalidate_array_4-100.a): Likewise.
11777 (ic_invalidate_array_4-200.o): Likewise.
11778 ($(T)libic_invalidate_array_4-200.a): Likewise.
11779 (ic_invalidate_array_4a.o): Likewise.
11780 ($(T)libic_invalidate_array_4a.a): Likewise.
11781 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
11782 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
11784 * config/sh/crt1.asm: Merged in profiling code.
11785 * config/sh/superh.h (STARTFILE_SPEC): Override.
11786 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
11787 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
11788 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
11790 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
11791 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
11792 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
11794 * sh.opt (mpretend-cmove): New option.
11795 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
11796 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
11797 (movsicc): Add TARGET_PRETEND_CMOVE code.
11799 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
11801 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
11802 s390_class_max_nregs): New function prototypes.
11803 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
11804 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
11805 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
11806 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
11808 2006-03-26 Geoffrey Keating <geoffk@apple.com>
11810 * dwarf2out.c (add_location_or_const_value_attribute): Call
11811 tree_add_const_value_attribute if nothing else works.
11812 (reference_to_unused): New.
11813 (rtl_for_decl_init): Use reference_to_unused to decide whether
11814 to output an initializer.
11816 2006-03-27 Alan Modra <amodra@bigpond.net.au>
11819 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
11820 peephole removing spe frob_di_df_2.
11822 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
11824 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
11825 (subscript_dependence_tester_1): Declared.
11826 (print_dir_vectors, print_dist_vectors): New.
11827 (debug_data_dependence_relation): New.
11828 (dump_data_dependence_relation): Print more details.
11829 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
11830 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
11831 (save_dist_v, save_dir_v, add_outer_distances,
11832 build_classic_dist_vector_1): New.
11833 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
11834 Don't test for lambda_vector_lexico_pos.
11835 (same_access_functions, add_multivariate_self_dist,
11836 add_other_self_distances, dir_from_dist): New.
11837 (build_classic_dir_vector): Replace implementation almost identical to
11838 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
11840 (subscript_dependence_tester_1): New.
11841 (subscript_dependence_tester): Handle the lexicographically negative
11842 distance vectors by recomputing the dependence relation.
11843 (compute_affine_dependence): Remove parameter loop_nest_depth.
11844 (compute_self_dependence): Don't call compute_subscript_distance.
11845 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
11846 Add a parameter for the loop_nest.
11847 (find_loop_nest_1, find_loop_nest): New.
11848 (compute_data_dependences_for_loop): Compute the loop nest, and give
11849 up if the nest is not well formed.
11850 * tree-data-ref.h (loop_p): New.
11851 (struct data_dependence_relation): Replace size_vect field with
11852 loop_nest, a vec of loops.
11853 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
11854 (DDR_LOOP_NEST): New.
11855 (print_dir_vectors, print_dist_vectors,
11856 debug_data_dependence_relation): Declared.
11857 (index_in_loop_nest): New.
11858 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
11859 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
11862 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
11864 * simplify-rtx.c (simplify_relational_operation): Call
11865 simplify_relational_operation_1 even if mode is VOIDmode.
11867 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
11869 PR tree-optimization/26804
11870 * tree.h (DECL_CALL_CLOBBERED): New macro.
11871 (tree_decl_common): Add call_clobbered_flag.
11872 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
11873 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
11874 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
11875 (mark_non_addressable): Ditto.
11876 * tree-ssa.c (verify_call_clobbered): New function.
11877 (verify_alias_info): Use it.
11878 * tree-pass.h (pass_reset_cc_flags): New prototype.
11879 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
11880 (reset_cc_flags): New function.
11881 * passes.c (init_optimization_passes): Call reset_cc_flags after
11882 initializing referenced_vars.
11884 2006-03-25 Uros Bizjak <uros@kss-loka.si>
11885 Roger Sayle <roger@eyesopen.com>
11887 PR middle-end/26717
11888 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
11889 to 1.0 for non-real operands. Implement A / A optimization for
11892 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
11894 * config/i386/i386.c (size_cost): Correct the comment for
11895 cost of storing fp registers.
11896 (i386_cost): Likewise.
11897 (i486_cost): Likewise.
11898 (pentium_cost): Likewise.
11899 (pentiumpro_cost): Likewise.
11900 (k6_cost): Likewise.
11901 (athlon_cost): Likewise.
11902 (k8_cost): Likewise.
11903 (pentium4_cost): Likewise.
11904 (nocona_cost): Likewise.
11905 (generic64_cost): Likewise.
11906 (generic32_cost): Likewise.
11908 2006-03-24 Denis Chertykov <denisc@overta.ru>
11910 * config/avr/avr-protos.h (extra_constraint): Delete.
11911 (extra_constraint_Q): New declaration.
11912 * config/avr/constraints.md: New file.
11913 * config/avr/avr.md: Include it.
11914 (REG_X, REG_Y, REG_Z, REG_W): New constants.
11915 (TMP_REGNO, ZERO_REGNO): Likewise.
11916 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
11917 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
11918 (extra_constraint): Delete.
11919 (extra_constraint_Q): Test for memory constraint 'Q'.
11920 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
11921 (REG_CLASS_FROM_LETTER): Delete.
11922 (CONST_OK_FOR_LETTER_P): Delete.
11923 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11924 (EXTRA_CONSTRAINT): Delete.
11925 (TMP_REGNO): Delete.
11926 (ZERO_REGNO): Delete.
11928 2006-03-24 Jeff Law <law@redhat.com>
11930 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
11931 directly. Call mark_new_vars_to_rename slightly earlier.
11933 2006-03-24 Geoffrey Keating <geoffk@apple.com>
11935 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
11936 (is_cxx): Likewise.
11937 (gen_compile_unit_die): Use new language types for Objective-C and
11939 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
11940 DW_LANG_C_plus_plus.
11943 * config/t-darwin (crt3.o): Work around bug 26840.
11944 * config/darwin-crt3.c: Rewrite.
11945 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
11947 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
11949 * doc/invoke.texi: Document -femit-class-debug-always
11950 * common.opt: Add -femit-class-debug-always.
11952 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
11954 * config/s390/s390.c (s390_decompose_address): Allow SImode for
11955 index and base register.
11956 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
11957 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
11958 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
11959 REGNO_OK_FOR_INDEX_P.
11960 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
11962 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
11963 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
11964 REG_OK_FOR_BASE_P): Definitions removed.
11966 2006-03-24 Jakub Jelinek <jakub@redhat.com>
11968 PR middle-end/26611
11969 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
11970 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
11971 set yet or weren't marked as local yet.
11973 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
11975 * regrename.c (scan_rtx_address): Initialize a variable to shut up
11978 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
11980 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
11981 (rs6000_legitimate_small_data_p): Delete.
11982 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
11983 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
11984 and make static. Add forward declaration. Update uses.
11985 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
11986 of offsettable_memref_p.
11987 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
11988 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
11990 2006-03-24 Jeff Law <law@redhat.com>
11992 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
11993 around bug in immediate-use iterator.
11995 2006-03-24 Alan Modra <amodra@bigpond.net.au>
11998 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
11999 or __LITTLE_ENDIAN__.
12001 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
12003 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
12004 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
12005 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
12006 * config/sh/sh.opt (mdiv=): Amend description.
12007 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
12008 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
12009 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
12010 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
12011 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
12012 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
12013 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
12014 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
12015 TARGET_DIVIDE_CALL_FP.
12017 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12019 * haifa-sched.c (choose_ready): Fix type of the local variable.
12020 Move local variables. Add comment.
12021 (check_reg_live): Change signature. Make callable from debugger.
12022 * sched-int.h (check_reg_live): Update signature.
12023 * sched-ebb.c (check_reg_live): Update parameters.
12024 * sched-rgn.c (check_reg_live): Ditto.
12025 (region_head_or_leaf_p): Check pointer before dereferencing.
12026 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
12027 before reload on optimization levels below 1.
12029 2006-03-23 Richard Henderson <rth@redhat.com>
12031 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
12035 * config/alpha/predicates.md (local_symbolic_operand): Reject
12038 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
12041 * tree-ssa-pre.c (create_value_expr_from): Don't reject
12042 expressions which have overflowed constants.
12044 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
12046 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
12048 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
12050 * cfgloopmanip.c (create_loop_notes): Removed.
12051 * final.c (final_scan_insn): Do not handle loop notes.
12052 * jump.c (squeeze_notes): Ditto.
12053 * cfglayout.c (skip_insns_after_block,
12054 duplicate_insn_chain): Ditto.
12055 * cfgcleanup.c (rest_of_handle_jump2): Do not call
12057 * cfgloop.h (create_loop_notes): Declaration removed.
12059 2006-03-23 Richard Sandiford <richard@codesourcery.com>
12061 * varasm.c (output_constant_pool): Restore fnname and fndecl
12063 (assemble_start_function): Adjust call accordingly.
12064 (assemble_end_function): Likewise.
12066 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12069 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
12072 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
12074 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12077 * system.h (ICE_EXIT_CODE): New macro.
12078 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
12079 (diagnostic_action_after_output): Likewise.
12080 * gcc.c (fatal_ice): New function.
12081 (execute): Use it instead of fatal.
12082 (fancy_abort): Likewise.
12083 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
12085 2006-03-22 Jeff Law <law@redhat.com>
12087 * loop-unroll.c (analyze_iv_to_split_insn): Handle
12088 iv_analyze_result returning false.
12090 2006-03-22 Jie Zhang <jie.zhang@analog.com>
12092 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
12094 2006-03-22 Richard Henderson <rth@redhat.com>
12096 PR middle-end/26084
12097 * except.c (duplicate_eh_regions_0): New.
12098 (duplicate_eh_region_1): Duplicate the children of the node as
12099 well as the node itself. Link them up properly.
12100 (duplicate_eh_region_2): Merge into ...
12101 (duplicate_eh_regions): ... here. Take copy_region argument, and
12102 copy only a sub-tree if asked. Simplify copying and fixup.
12103 (eh_region_outer_p): New.
12104 * except.h (duplicate_eh_regions): Update decl.
12105 (eh_region_outer_p): Declare.
12106 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
12107 (lower_omp_master): Likewise.
12108 (lower_omp_ordered): Likewise.
12109 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
12110 (move_stmt_r): Use it to remap labels. Handle recursion vs
12111 remap_decls_p properly.
12112 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
12113 (find_outermost_region_in_block): New.
12114 (new_label_mapper): New.
12115 (move_sese_region_to_fn): Copy eh information to the new function
12117 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
12119 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
12122 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12124 * doc/md.texi (-mshared): Mention that -mshared code can be linked
12125 into shared libraries.
12127 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12129 * doc/md.texi: Refer to i386/constraints.md instead of
12130 i386/predicates.md.
12131 * config/i386/constraints.md: New file, extracted from...
12132 * config/i386/predicates.md: ...here.
12133 * config/i386/i386.md: Include constraints.md.
12135 2006-03-21 Jason Merrill <jason@redhat.com>
12137 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
12139 PR middle-end/20297
12140 * expr.c (init_block_move_fn): Force default visibility.
12141 (init_block_clear_fn): Likewise.
12142 * builtins.c (expand_builtin_fork_or_exec): Likewise.
12143 * targhooks.c (default_external_stack_protect_fail): Likewise.
12145 2006-03-21 Richard Sandiford <richard@codesourcery.com>
12147 * config/mips/predicates.md (const_call_insn_operand): Allow direct
12148 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
12149 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
12150 Use TARGET_OLDABI instead of !TARGET_NEWABI.
12151 (loadgp): Use mips_current_loadgp_style.
12152 (loadgp_noshared): New pattern.
12153 (sibcall_internal): Use MIPS_CALL.
12154 (sibcall_value_internal): Likewise.
12155 (sibcall_value_multiple_internal): Likewise.
12156 (call_internal): Likewise.
12157 (call_value_internal): Likewise.
12158 (call_value_multiple_internal): Likewise.
12159 (call_split): Use MIPS_CALL and add an 'S' constraint.
12160 (call_value_split): Likewise.
12161 (call_value_multiple_split): Likewise.
12162 * config/mips/mips.opt (-mabicalls): Tweak docstring.
12163 (-mshared): New option.
12164 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
12165 (mips_current_loadgp_style): Declare.
12166 * config/mips/mips.c (mips_classify_symbol): Avoid using
12167 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
12168 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
12169 TARGET_ABSOLUTE_ABICALLS.
12170 (override_options): Adjust comments. Improve the warning that is
12171 issued when -mabicalls and -G are used together.
12172 (mips_file_start): Remove comment.
12173 (mips_current_loadgp_style): New function.
12174 (mips_gnu_local_gp): New variable.
12175 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
12177 (mips_output_function_prologue): Use mips_current_laodgp_style.
12178 (mips_expand_prologue): Call mips_emit_loadgp before emitting
12179 the cprestore instruction.
12180 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
12181 live for TARGET_ABSOLUTE_ABICALLS.
12182 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
12183 (ASM_SPEC): Pass down -mshared and -mno-shared.
12184 (MIPS_CALL): New macro.
12185 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
12187 * doc/invoke.texi (-mabicalls): Update documentation.
12188 (-mshared): Document.
12190 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12192 * config/ia64/unwind-hpux.c: New file.
12193 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
12195 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12198 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
12200 2006-03-21 Jeff Law <law@redhat.com>
12202 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
12203 type conversions of a VR_VARYING source to a wider type.
12205 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
12207 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
12208 tm_file on Solaris 10 and later.
12209 (sparc64-*-solaris2*): Likewise.
12210 (sparc-*-solaris2*): Likewise.
12211 * config/sol26.h: Rename to config/sol2-6.h.
12212 * config/sol2-10.h: New file.
12214 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
12217 * tree-ssa-pre.c (create_component_ref_by_pieces):
12220 2006-03-21 Jakub Jelinek <jakub@redhat.com>
12223 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
12224 return it immediately.
12226 2006-03-21 Michael Matz <matz@suse.de>
12228 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
12230 (remove_arc, add_arc): Update num_out_arcs member.
12231 (set_out_arc_insns_equiv_num): Returns nothing instead of number
12233 (cache_presence): New function.
12234 (compare_states_for_equiv): New function.
12235 (state_is_differed): Don't take number of outargs, adjust callers.
12236 Use new invariant for speeding up.
12237 (init_equiv_class): Create initial classes based on sorted
12239 (partition_equiv_class): Don't track out_arcs_num.
12240 (evaluate_equiv_classes): Call cache_presence on all states and
12243 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
12245 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
12246 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
12247 (bfin_valid_reg_p): Test for pseudos explicitly and use only
12248 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
12250 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
12251 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
12252 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
12253 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
12254 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
12256 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
12257 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
12258 (REGNO_REG_CLASS): ARGP is in PREGS.
12259 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
12261 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
12262 to deal with those addresses.
12263 * addresses.h: New file.
12264 * caller-save.c: Include "addresses.h".
12265 (init_caller_save): Use new base_reg_class function.
12266 * rtl-factoring.c: Include "addresses.h".
12267 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
12268 * recog.c: Include "addresses.h".
12269 (preprocess_constraints): Use new base_reg_class function.
12270 * regrename.c: Include "addresses.h".
12271 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
12272 functions. Keep track of a new var INDEX_CODE to compute valid
12274 (replace_oldest_value_addr): Likewise.
12275 (replace_oldest_value_mem): Use base_reg_class.
12276 * reload.c: Include "addresses.h".
12277 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
12278 (find_reloads): Use new base_reg_class function.
12279 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
12280 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
12281 all callers and prototype changed.
12282 * reload1.c: Include "addresses.h".
12283 (maybe_fix_stack_asms): Use base_reg_class.
12284 * regclass.c: Include "addresses.h".
12285 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
12286 (init_reg_autoinc): Use new base_reg_class function.
12287 (record_reg_classes): Likewise.
12288 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
12289 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
12290 Use new args to compute necessary class.
12292 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
12293 regrename.o, rtl-factoring.o): Update dependencies.
12294 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
12295 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
12296 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
12297 REG_OK_FOR_INDEX_P): Delete documentation.
12299 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
12301 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
12302 from V7 to V9 for Solaris 7 and above.
12304 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
12306 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
12307 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
12308 argument pointers may not alias any other storage.
12309 * common.opt: Define option -fargument-noalias-anything.
12310 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
12311 alias semantics is specified by flag_argument_noalias > 2.
12313 2006-03-20 Jeff Law <law@redhat.com>
12315 * tree-pass.h (pass_phi_only_copy_prop): Delete.
12316 (pass_phi_only_cprop): Declare.
12317 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
12318 with phi_only_cprop
12319 * tree-ssa-dom.c (degenerate_phi_result): New function.
12320 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
12321 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
12322 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
12323 (eliminate_degenerate_phis): Likewise.
12324 (pass_phi_only_cprop): New pass descriptor.
12325 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
12326 support code. Callers updated.
12327 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
12328 (store_copy_prop): Likewise.
12329 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
12331 2006-03-20 Jason Merrill <jason@redhat.com>
12334 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
12335 (push_visibility, pop_visibility): Likewise.
12336 * c-pragma.h: Declare them.
12338 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
12340 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
12342 * config/sh/sh.c (find_regmode_weight): Change the type of the first
12343 parameter and use get_ebb_head_tail.
12344 (sh_md_init_global): Adjust uses of find_regmode_weight.
12346 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
12348 * function.h (struct function) <x_tail_recursion_reentry>:
12349 Rename to x_stack_check_probe_note.
12350 (tail_recursion_reentry): Rename to stack_check_probe_note.
12351 * function.c: Replace tail_recursion_reentry with
12352 stack_check_probe_note everywhere.
12353 (expand_function_start): Only emit a note for
12354 stack_check_probe_note with -fstack-protect.
12355 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
12357 * emit-rtl.c (remove_unnecessary_notes): Remove.
12358 (pass_remove_unnecessary_notes): Remove.
12359 * rtl.h (remove_unnecessary_notes): Remove prototype.
12360 * final.c (final_start_function): Don't call remove_unnecessary_notes.
12361 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
12362 * passes.c (pass_remove_unnecessary_notes): Don't run it.
12364 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
12367 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
12368 (valid_in_set): Handle ARRAY_REF.
12369 Change "if min_variant or VH" to asserts.
12370 (create_component_ref_by_pieces): Handle ARRAY_REF.
12371 (create_expression_by_pieces): Likewise.
12372 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
12374 2006-03-20 David Edelsohn <edelsohn@gnu.org>
12376 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
12377 is operand of switch, not str[0].
12379 2006-03-20 Alan Modra <amodra@bigpond.net.au>
12381 * config/rs6000/rs6000.c (rs6000_handle_option): Use
12382 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
12384 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12386 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
12387 end of insn_extra_address_constraint declaration.
12389 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12391 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
12392 (no-sum-in-toc): Same.
12393 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
12395 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
12396 NO_FP_IN_TOC for -fPIC instead of mask.
12398 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
12399 (BOOT_LDFLAGS): Delete.
12401 * config/rs6000/t-aix52: Same.
12403 * config/rs6000/rs6000.md (store_multiple_power): Delete.
12404 (stmsi[345678]_power): New.
12406 2006-03-17 Steve Ellcey <sje@cup.hp.com>
12408 * config/ia64/ia64.opt: Add empty line to end of file.
12410 2006-03-17 Richard Guenther <rguenther@suse.de>
12412 PR middle-end/26721
12413 * builtins.c (get_pointer_alignment): For component style references
12414 adjust alignment to the component type alignment. Make sure
12415 to adjust alignment for component access of constants.
12417 2006-03-17 David Edelsohn <edelsohn@gnu.org>
12419 * config/rs6000/rs6000.md (strlensi): Emit barrier after
12420 unconditional jump.
12422 2006-03-17 Paul Brook <paul@codesourcery.com>
12424 * doc/install.texi: Docuemnt --with-mode.
12425 * config.gcc: Add --with-mode for arm*-*-*.
12426 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
12428 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
12430 * sh.c (max_labelno_before_reorg): New variable.
12431 (sh_reorg): Initialize it.
12432 (find_barrier): Check max_labelno_before_reorg before using
12433 label_to_alignment. Take length of explicit alignment insns
12434 into account. When seeing a UNSPECV_CONST_END, return it.
12436 * sh.c (fixup_mova): Set mode of affected label to QImode.
12437 (untangle_mova): New function.
12438 (find_barrier): Use it. Check mode of label before decrementing
12440 (sh_reorg): Likewise.
12441 Set mode of all insns back to VOIDmode.
12443 * sh.c (MOVA_LABELREF): New macro.
12444 (mova_p, fixup_mova, sh_reorg): Use it.
12445 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
12446 ADDR_DIFF_VEC matches mova.
12448 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
12450 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
12451 with ATTRIBUTE_UNUSED.
12453 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
12455 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
12456 pointer, instead of assuming it is possible to derive the
12457 correct args size from a call insn.
12459 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12461 * rtl.h (CONST_INT_P): Define.
12462 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
12463 instead of GET_CODE(x) == CONST_INT.
12464 (vax_rtx_costs): Likewise.
12465 (vax_output_int_move): Likewise.
12466 (vax_output_int_add): Likewise.
12467 (legitimate_constant_address_p): Likewise.
12468 (index_term_p): Likewise.
12469 * config/vax/vax.h (PRINT_OPERAND): Likewise.
12470 * config/vax/vax.md (and<mode>3): Likewise.
12471 (ashrsi3): Likewise.
12473 (movstricthi): Likewise.
12474 (movstrictqi): Likewise.
12475 (rotrsi3): Likewise.
12476 (five unnamed insns): Likewise.
12478 2006-03-16 Geoffrey Keating <geoffk@apple.com>
12480 * doc/tm.texi (SDB and DWARF): Add extra parameter to
12481 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
12482 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
12483 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
12484 Pass to ASM_OUTPUT_DWARF_OFFSET.
12485 * dwarf2out.c (debug_frame_section): New.
12486 (output_call_frame_info): Use debug_frame_section. Pass it to
12487 dw2_asm_output_offset.
12488 (output_die): Pass appropriate section to dw2_asm_output_offset.
12489 (output_compilation_unit_header): Likewise.
12490 (output_pubnames): Likewise.
12491 (output_aranges): Likewise.
12492 (enum dw_val_class): Break dw_val_class_lbl_offset into
12493 dw_val_class_lineptr and dw_val_class_macptr.
12494 (add_AT_lbl_offset): Delete.
12495 (add_AT_lineptr): New.
12496 (add_AT_macptr): New.
12497 (AT_lbl): Expect a lineptr or macptr.
12498 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
12499 (attr_checksum): Likewise.
12500 (same_dw_val_p): Likewise.
12501 (size_of_die): Likewise.
12502 (value_format): Likewise.
12503 (output_die): Likewise.
12504 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
12506 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12507 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
12508 * config/darwin-protos.h (darwin_file_start): New.
12509 (darwin_asm_output_dwarf_offset): New.
12510 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12511 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
12513 * config/darwin.c (darwin_emit_unwind_label): Don't output label
12514 if not EH section; simplify.
12515 (darwin_file_start): New.
12516 (darwin_asm_output_dwarf_offset): New.
12517 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
12519 (DEBUG_INFO_SECTION): Likewise.
12520 (DEBUG_ABBREV_SECTION): Likewise.
12521 (DEBUG_ARANGES_SECTION): Likewise.
12522 (DEBUG_MACINFO_SECTION): Likewise.
12523 (DEBUG_LINE_SECTION): Likewise.
12524 (DEBUG_LOC_SECTION): Likewise.
12525 (DEBUG_PUBNAMES_SECTION): Likewise.
12526 (DEBUG_STR_SECTION): Likewise.
12527 (DEBUG_RANGES_SECTION): Likewise.
12528 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
12529 (ASM_OUTPUT_DWARF_OFFSET): New.
12531 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
12533 * config.gcc (tm_defines): Always add to previous value rather
12536 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12538 * config/mips/predicates.md (splittable_const_int_operand): New,
12539 split from move_operand.
12540 (splittable_symbolic_operand): New.
12541 (move_operand): Add commentary. Use splittable_const_int_operand.
12542 Inline mips_atomic_symbolic_constant_p.
12543 * config/mips/mips.md: Add combine splitters for handling moves
12544 of splittable_const_int_operands and splittable_symbolic_operands.
12545 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
12546 (mips_split_symbol): Declare.
12547 (mips_move_integer): Declare.
12548 * config/mips/mips.c (mips_split_p): Make global.
12549 (TARGET_MIN_ANCHOR_OFFSET): Override default.
12550 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12551 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12552 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
12553 (mips_offset_within_object_p): Handle block symbols.
12554 (mips_atomic_symbolic_constant_p): Delete.
12555 (mips_cannot_force_const_mem): Return false for constants that
12556 mips_legitimize_move can handle.
12557 (mips_use_blocks_for_constant_p): New function.
12558 (mips_split_symbol): Make global.
12559 (mips_move_integer): Likewise. Add a temporary register argument.
12560 (mips_legitimize_const_move): Use splittable_const_int_operand and
12561 splittable_symbolic_operand.
12562 (mips_use_anchors_for_symbol_p): New function.
12563 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
12564 (mips_split_p): Declare.
12566 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12568 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
12569 (mips*-*-linux*): Likewise.
12571 2006-03-16 Roger Sayle <roger@eyesopen.com>
12572 Daniel Speyer <dspeyer@wam.umd.edu>
12574 PR middle-end/18259
12575 * tree-dump.c (dump_real): New function.
12576 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
12577 * Makefile.in (REAL_H): New macro for dependencies on real.h.
12578 (tree-dump.o): Add $(REAL_H) to the dependencies.
12580 2006-03-16 Roger Sayle <roger@eyesopen.com>
12582 PR middle-end/21781
12583 * real.c (real_from_string): If the mantissa is zero, don't bother
12584 parsing the exponent as the result should always be zero.
12586 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
12588 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
12590 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12592 * config/ia64/ia64.c (stops_p): Added explicit initialization.
12593 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
12594 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
12595 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
12596 ia64_sched_finish_global): New static functions to implement
12597 hooks from gcc_target.sched.
12598 (spec_check_no, max_uid, pending_data_specs): New static variables.
12599 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
12600 ia64_spec_check_src_p): New static functions.
12601 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
12602 (TARGET_SCHED_ADJUST_COST): Removed.
12603 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
12604 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
12605 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12606 TARGET_SCHED_GEN_CHECK,
12607 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12608 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
12609 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
12610 Fixed to handle speculation checks.
12611 (rtx_needs_barrier): Fixed to handle speculative loads and
12613 (ia64_variable_issue): Added code to count speculative loads and their
12615 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
12617 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
12619 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
12621 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
12622 (ia64_reorg): Reset stops_p to NULL after it is freed.
12623 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
12624 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
12625 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
12627 (data_speculative, control_speculative, check_load): New attributes.
12628 (mov<mode>_advanced, mov<mode>_speculative,
12629 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
12630 zero_extend<mode>di2_speculative,
12631 zero_extend<mode>di2_speculative_advanced): New patterns for
12632 data and control speculative loads.
12633 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
12635 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
12636 New pattern for data and control speculation checks.
12637 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
12638 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
12639 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
12640 Auxiliary definitions for the patterns.
12641 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
12642 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
12644 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
12646 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
12647 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
12648 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
12649 New resource constraints.
12650 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
12652 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
12653 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
12654 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12655 msched-in-control-spec, msched-ldc, msched-control-ldc,
12656 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12657 msched-prefer-non-control-spec-insns,
12658 msched-count-spec-in-critical-path): New flags to tune speculative
12660 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
12661 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12662 msched-in-control-spec, msched-ldc, msched-control-ldc,
12663 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12664 msched-prefer-non-control-spec-insns,
12665 msched-count-spec-in-critical-path): Document new flags.
12667 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12669 * target.h (struct spec_info_def): New opaque declaration.
12670 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
12671 speculate_insn, needs_block_p, gen_check,
12672 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
12673 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
12674 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
12675 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
12676 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12677 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
12679 (TARGET_SCHED): Use new macros.
12680 * rtl.h (copy_DEPS_LIST_list): New prototype.
12681 * sched-int.h (struct sched_info): Change signature of new_ready field,
12682 adjust all initializations. New fields: add_remove_insn,
12683 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
12684 region_head_or_leaf_p.
12685 (struct spec_info_def): New structure declaration.
12686 (spec_info_t): New typedef.
12687 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
12688 recovery_block, orig_pat.
12689 (glat_start, glat_end): New variables declaraions.
12690 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
12692 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
12693 DETACH_LIFE_INFO, USE_GLAT.
12694 (enum SPEC_SCHED_FLAGS): New enumeration.
12695 (NOTE_NOTE_BB_P): New macro.
12696 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
12697 attach_life_info, debug_spec_status, check_reg_live): New functions.
12698 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
12699 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
12701 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
12702 * ddg.c (get_block_head_tail): Adjust all uses.
12703 * modulo-sched.c (get_block_head_tail): Adjust all uses.
12704 (sms_sched_info): Initialize new fields.
12705 (contributes_to_priority): Removed.
12706 * haifa-sched.c (params.h): New include.
12707 (get_block_head_tail): Adjust all uses.
12708 (ISSUE_POINTS): New macro.
12709 (glat_start, glat_end): New global variables.
12710 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
12711 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
12712 old_last_basic_block, before_recovery, current_sched_info_var,
12713 rgn_n_insns, luid): New static variables.
12714 (insn_cost1): New function. Move logic from insn_cost to here.
12715 (find_insn_reg_weight1): New function. Move logic from
12716 find_insn_reg_weight to here.
12717 (reemit_notes, move_insn, max_issue): Change signature.
12718 (move_insn1): Removed.
12719 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
12720 extend_bb): New static functions to support extension of scheduler's
12722 (generate_recovery_code, process_insn_depend_be_in_spec,
12723 begin_speculative_block, add_to_speculative_block,
12724 init_before_recovery, create_recovery_block, create_check_block_twin,
12725 fix_recovery_deps): New static functions to support
12726 generation of recovery code.
12727 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
12728 restore_bb_notes, move_block_after_check, move_succs): New static
12729 functions to support ebb scheduling.
12730 (init_glat, init_glat1, attach_life_info1, free_glat): New static
12731 functions to support handling of register live information.
12732 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
12733 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
12734 add_jump_dependencies): New static functions.
12735 (check_cfg, has_edge_p, check_sched_flags): New static functions for
12736 consistancy checking.
12737 (debug_spec_status): New function to call from debugger.
12738 (priority): Added code to handle speculation checks.
12739 (rank_for_schedule): Added code to distinguish speculative instructions.
12740 (schedule_insn): Added code to handle speculation checks.
12741 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
12742 Fixed to handle ebbs.
12743 (move_insn): Added code to handle ebb scheduling.
12744 (max_issue): Added code to use ISSUE_POINTS of instructions.
12745 (choose_ready): Added code to choose between speculative and
12746 non-speculative instructions.
12747 (schedule_block): Added code to handle ebb scheduling and scheduling of
12748 speculative instructions.
12749 (sched_init): Initialize new variables.
12750 (sched_finish): Free new variables. Print statistics.
12751 (try_ready): Added code to handle speculative instructions.
12752 * lists.c (copy_DEPS_LIST_list): New function.
12753 * sched-deps.c (extend_dependency_caches): New function. Move logic
12754 from create_dependency_caches to here.
12755 (get_dep_weak, ds_merge): Make global.
12756 * genattr.c (main): Code to output prototype for
12757 dfa_clear_single_insn_cache.
12758 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
12759 (output_dfa_clean_insn_cache_func): Code to output
12760 dfa_clear_single_insn_cache function.
12761 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
12763 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
12765 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
12766 New static variables.
12767 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
12768 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
12770 (ebb_sched_info): Initialize new fields.
12771 (get_block_head_tail): Adjust all uses.
12772 (compute_jump_reg_dependencies): Fixed to use glat_start.
12773 (schedule_ebb): Code to remove unreachable last block.
12774 (schedule_ebbs): Added code to update register live information.
12775 * sched-rgn.c (region_sched_info): Initialize new fields.
12776 (get_block_head_tail): Adjust all uses.
12777 (last_was_jump): Removed. Adjust users.
12778 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
12779 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
12780 Implement new hooks.
12781 (check_dead_notes1): New static function.
12782 (struct region): New fields: dont_calc_deps, has_real_ebb.
12783 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
12784 (BB_TO_BLOCK): Fixed to handle EBBs.
12785 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
12786 (ebb_head): New static variable.
12787 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
12788 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
12790 (compute_dom_prob_ps): New assertion.
12791 (check_live_1, update_live_1): Fixed to work with glat_start instead of
12792 global_live_at_start.
12793 (init_ready_list): New assertions.
12794 (can_schedule_ready_p): Split update code to begin_schedule_ready.
12795 (new_ready): Add support for BEGIN_CONTROL speculation.
12796 (schedule_insns): Fixed code that updates register live information
12798 (schedule_region): Fixed to handle EBBs.
12799 (init_regions): Use extend_regions and check_dead_notes1.
12800 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
12801 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
12802 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
12803 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12804 TARGET_SCHED_GEN_CHECK,
12805 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12806 TARGET_SCHED_SET_SCHED_FLAGS): Document.
12807 * doc/invoke.texi (max-sched-insn-conflict-delay,
12808 sched-spec-prob-cutoff): Document.
12810 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12812 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
12813 inter_tick, queue_index.
12814 (struct sched_info): Change signature of init_ready_list field.
12815 Adjust all initializations.
12816 (RESOLVED_DEPS): New access macro.
12817 (ready_add): Remove prototype.
12818 (try_ready): Add prototype.
12819 * sched-rgn.c (init_ready_list): Use try_ready.
12820 (schedule_region): Initialize
12821 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
12822 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
12823 (init_ready_list): Use try_ready.
12824 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
12825 * lists.c (remove_list_elem): Remove `static'.
12826 (remove_free_INSN_LIST_elem): New function.
12827 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
12828 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
12829 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
12831 (readyp): New variable.
12832 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
12833 change_queue_index, resolve_dep): New static functions.
12834 (try_ready): New function. Adjust callers in sched-rgn.c and
12835 sched-ebb.c to use it instead of ready_add.
12836 (clock_var): Move at the begining of file.
12837 (rank_for_schedule): Fix typo.
12838 (queue_insn): Add assertion. Handle QUEUE_INDEX.
12839 (ready_lastpos): Enforce assertion.
12840 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
12841 update all callers.
12842 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
12843 (schedule_insn): Rewrite to use try_ready and resolve_dep.
12844 (queue_to_ready): Use free_INSN_LIST_list.
12845 (early_queue_to_ready): Fix typo.
12846 (schedule_block): Init readyp. Move init_ready_list call after the
12847 initialization of clock_var. Fix error in rejecting insn by
12848 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
12849 that previously corrected INSN_TICKs. Add code for handling
12851 (set_priorities): Fix typo.
12852 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
12853 Clarify comment and code that keeps current_sched_info->next_tail
12856 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12858 * sched-rgn.c (extend_rgns): New static function.
12859 (find_rgns): Use it.
12860 (gather_region_statistics, print_region_statistics): New static
12862 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
12863 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
12865 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12866 Andrey Belevantsev <abel@ispras.ru>
12868 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
12869 * lists.c (unused_deps_list): New variable.
12870 (free_list): Add assertions to verify the proper distinguishing
12871 between INSN_LISTs and DEPS_LISTs.
12872 (find_list_elem, remove_list_elem, remove_list_node): New static
12874 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
12875 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
12876 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
12877 (alloc_INSN_LIST): Assert that the list we're working on is indeed
12879 (free_INSN_LIST_node): Likewise.
12880 * modulo-sched.c (current_sched_info): Initialize flags field.
12881 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
12882 * rtl.def (DEPS_LIST): Define.
12883 * rtl.h: Declare new functions from lists.c.
12884 * sched-deps.c (spec_dependency_cache): New static variable.
12885 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
12886 (add_dependence): Change return type to void. Move the logic to ...
12887 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
12888 (delete_all_dependences): Add comment about forward_dependency_cache.
12889 Handle spec_dependency_cache. Handle DEPS_LISTs.
12890 (fixup_sched_groups): Clarify the change of priority of output
12891 and anti dependencies.
12892 (sched_analyze_2): Adjust add_dependence calls to create data
12893 speculative dependence.
12894 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
12895 Adjust all callers. Handle DEPS_LISTS.
12896 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
12897 presence of speculation.
12898 (init_dependency_caches, free_dependency_caches):
12899 Handle spec_dependency_cache.
12900 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
12901 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
12902 New static functions.
12903 (add_or_update_back_dep, add_or_update_back_forw_dep,
12904 add_back_forw_dep, delete_back_forw_dep): New functions.
12905 * sched-int.h (ds_t, dw_t): New typedefs.
12906 (struct sched_info): Add new field flags.
12907 (struct haifa_insn_data): Add new bitfield has_internal_dep.
12908 Prototype new sched-deps.c functions.
12909 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
12910 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
12911 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
12912 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
12913 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
12914 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
12916 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
12918 * sched-rgn.c (current_sched_info): Initialize flags field.
12919 (schedule_insns): Initialize current_sched_info before the sched_init
12921 * sched-ebb.c (current_sched_info): Initialize flags field.
12922 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
12923 Call add_or_update_back_dep instead of add_dependence.
12924 Create control speculative dependencies.
12925 (schedule_insns): Initialize current_sched_info before the sched_init
12928 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
12930 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
12932 (sh_fallback_frame_state): Likewise.
12934 2006-03-15 Geoffrey Keating <geoffk@apple.com>
12936 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
12937 Do switch on default_use_cxa_atexit.
12938 (powerpc*-*-darwin*): Build crt2.o on powerpc.
12939 * config/darwin-crt3.o: New.
12940 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
12941 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
12942 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
12944 * config/rs6000/t-darwin: Move crt2.o building to here.
12945 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
12946 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
12949 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12951 * config/vax/vax.c (nonindexed_address_p): Change logical negation
12952 from '! xxx' to '!xxx' for coding-style conformance.
12953 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
12954 (EXTRA_CONSTRAINT): Likewise.
12955 * config/vax/vax.md (four unnamed insns): Likewise.
12957 2006-03-15 Paul Brook <paul@codesourcery.com>
12959 * config/arm/arm.c (minipool_pad): New.
12960 (add_minipool_forward_ref): Include pool alignment padding in address
12962 (push_minipool_fix): Set minipool_pad.
12963 (minipool_pad): Ditto.
12965 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12967 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
12968 instead of GET_CODE() == MEM and REG_P() instead of
12970 (print_operand_address): Likewise.
12971 (vax_address_cost): Likewise.
12972 (vax_rtx_costs): Likewise.
12973 (vax_notice_update_cc): Likewise.
12974 (vax_output_int_add): Likewise.
12975 (INDEX_REGISTER_P): Likewise.
12976 (BASE_REGISTER_P): Likewise.
12977 (nonindexed_address_p): Likewise.
12978 (vax_mode_dependent_address_p): Likewise.
12979 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
12980 (PRINT_OPERAND): Likewise.
12981 * config/vax/vax.md (ashlsi3): Likewise.
12982 (ashlsi3): Likewise.
12983 (some more unnamed insns): Likewise.
12985 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
12987 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
12988 iterator-style macro.
12989 (mark_control_dependent_edges_necessary): Update the use of
12990 EXECUTE_IF_CONTROL_DEPENDENT.
12992 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
12994 * config/sh/predicates.md (cache_address_operand): Special.
12995 (ua_address_operand): Likewise.
12997 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
12999 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
13001 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
13003 2006-03-15 Andreas Schwab <schwab@suse.de>
13005 * gensupport.c (identify_predicable_attribute): Don't free p_false
13006 when it is still in use.
13008 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
13010 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
13011 the default setting here.
13013 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
13015 * tree-pass.h (pass_cfg): Remove.
13016 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
13017 * passes.c (pass_cfg): Don't run it.
13019 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
13021 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
13022 * reg-stack.c (stack_regs_mentioned_data): Change the type to
13024 (stack_regs_mentioned): Update the uses of
13025 stack_regs_mentioned_data. Don't access the array beyond its
13027 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
13028 Don't include gt-reg-stack.h.
13030 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
13031 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
13033 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
13035 PR middle-end/26684
13036 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
13039 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13041 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
13043 2006-03-14 Richard Guenther <rguenther@suse.de>
13045 PR tree-optimization/26672
13046 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
13049 2006-03-14 Richard Guenther <rguenther@suse.de>
13051 PR tree-optimization/26667
13052 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
13053 node for the callees. Always allow inlining if it will shrink
13056 2006-03-14 Richard Guenther <rguenther@suse.de>
13058 PR middle-end/26659
13059 * builtins.c (get_pointer_alignment): Prefer alignment
13060 information from decls over that from types.
13062 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
13065 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
13067 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
13069 * config/rs6000/rs6000.opt (mdlmzb): New option.
13070 (msched-prolog, msched-epilog): Use Var not Mask.
13071 * doc/invoke.texi (-mdlmzb): Document.
13072 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
13074 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
13075 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
13077 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
13079 PR rtl-optimization/25739
13080 * bt-load.c (augment_live_range): Free tos pointer.
13082 * gensupport.c (identify_predicable_attribute): Free
13084 * gcov.c (create_file_names): Free name pointer.
13086 2006-03-13 Roger Sayle <roger@eyesopen.com>
13088 PR middle-end/26557
13089 * stmt.c (emit_case_nodes): Handle the case where the index is a
13090 CONST_INT, where the comparison mode is specified by the index type.
13092 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13094 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
13097 2006-03-13 Richard Sandiford <richard@codesourcery.com>
13099 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
13100 (*branch_fp_inverted): Likewise.
13102 2006-03-13 Jakub Jelinek <jakub@redhat.com>
13104 PR middle-end/25989
13105 * omp-low.c (expand_omp_for_generic): Mark istart0
13106 and iend0 as addressable.
13108 2006-03-13 Jie Zhang <jie.zhang@analog.com>
13110 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
13112 2006-03-13 Jeff Law <law@redhat.com>
13114 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
13115 virtual operands are interesting.
13116 (vrp_visit_stmt): Corresponding changes.
13118 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
13120 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
13122 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
13123 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
13124 * config/bfin/crti.S: Use it instead of __PIC__.
13125 * config/bfin/crtn.S: Likewise.
13127 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
13128 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
13130 Lose 'G' modifier for call operand.
13131 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
13132 recognize 'G' modifier.
13134 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
13136 PR middle-end/18859
13137 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
13138 * stmt.c (expand_case): Likewise.
13140 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13142 PR rtl-optimization/26254
13143 * loop-invariant.c (seq_insns_valid_p): New function.
13144 (move_invariant_reg): Only emit new code if it is valid.
13146 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13148 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
13150 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
13151 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
13152 (commit_one_edge_insertion): Do not look for loop notes.
13154 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13156 * jump.c (follow_jumps): Do not check for loop notes. Move check for
13157 flag_test_coverage out of loop.
13159 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13161 * final.c (shorten_branches): Remove outdated comment, and turn
13162 the if branch that guards it to continue.
13164 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13166 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
13167 * cfgloop.h (struct loop): Remove unused fields.
13169 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
13171 * doc/invoke.texi (-fdump-rtl-loop): Remove.
13172 (-dL, -fdump-rtl-loop2): Update the dump file names
13174 * doc/invoke.texi: Update dump file names.
13176 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
13178 * predict.c (estimate_probability): Remove.
13179 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
13180 * basic-block.h (estimate_probability): Remove prototype.
13181 * passes.c (finish_optimization_passes): Dump branch prediction or
13182 profiling heuristics to the .profile tree dump.
13183 (init_optimization_passes): Unqueue pass_branch_prob.
13185 * doc/invoke.texi (-fdump-rtl-bp): Remove.
13187 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13189 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
13190 * rtl.h (LABEL_NEXTREF): Remove field accessor.
13192 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
13194 * function.h (frame_offset_overflow): Declare.
13195 * function.c (frame_offset_overflow): New function.
13196 (assign_stack_local_1): Call it to detect that the offset overflows.
13197 * cfgexpand.c (alloc_stack_frame_space): Likewise.
13199 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13201 * config/sh/sh.c: Include alloc-pool.h.
13202 (label_ref_list_pool): New alloc pool.
13203 (label_ref_list_t): New type for lists of labels.
13204 (struct pool_node): Make wend a label_ref_list_t.
13205 (add_constant): Use the new type, eradicate LABEL_NEXTREF
13207 (dump_table): Likewise.
13208 (sh_reorg): Set up the alloc pool before using add_constant and
13209 dump_table, and destroy it when finishing.
13211 2006-03-11 Richard Sandiford <richard@codesourcery.com>
13213 * config/mips/mips.c: Remove redundant comment.
13215 2006-03-10 Jason Merrill <jason@redhat.com>
13218 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
13219 the target was declared 'register'.
13221 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
13223 * genpreds.c (write_insn_constraint_len): Change definition of
13224 insn_constraint_len to return size_t to match the declaration.
13226 2006-03-10 DJ Delorie <dj@redhat.com>
13228 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
13230 (m32c_expand_insv): Fix test for an AND mask.
13232 2006-03-10 Richard Guenther <rguenther@suse.de>
13234 PR middle-end/26565
13235 * builtins.c (get_pointer_alignment): Handle component
13236 references for field alignment.
13238 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13240 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
13241 when building with libgloss.
13242 (sh*elf): Implement --without-fp option.
13243 (sh64-superh-linux*): Don't multilib.
13245 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13247 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
13249 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
13251 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
13252 Set it when one of the replacement functions returned true.
13253 Return TODO_cleanup_cfg if cfgchanged is true.
13254 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
13256 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
13258 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
13259 instead of gen_lowpart.
13261 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13263 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
13265 (mips_output_order_conditional_branch): Declare.
13266 * config/mips/mips.h (MIPS_BRANCH): New macro.
13267 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
13268 for the comparison. Use gen_condjump.
13269 (mips_output_conditional_branch): Rework interface to take the
13270 asm templates for a direct branch and the inverse of a direct branch.
13271 (mips_output_order_conditional_branch): New function.
13272 (mips_builtin_branch_and_move): New function.
13273 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
13274 branch condition. Use gen_single_cc as the condition for
13275 __builtin_mips_upper_* or __builtin_mips_lower_*.
13276 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
13277 Use VOIDmode for the branch condition.
13278 * config/mips/predicates.md (order_operator): New predicate.
13279 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
13280 (branch_fp): Rename to...
13281 (*branch_fp): ...this. Remove mode from comparison operator.
13282 Use new mips_output_conditional_branch interface.
13283 (branch_fp_inverted): Rename to...
13284 (*branch_fp_inverted): ...this and update as for *branch_fp.
13285 (*branch_zero<mode>): Rename to...
13286 (*branch_order<mode>): ...this. Remove mode from comparison operator.
13287 Use mips_output_order_conditional_branch. Only accept ordered
13289 (*branch_zero<mode>_inverted): Rename to...
13290 (*branch_order<mode>_inverted): ...this and update as for
13291 *branch_order<mode>.
13292 (*branch_equality<mode>): Accept zero as the second operand to
13293 the equality operator. Use the new mips_output_conditional_branch
13295 (*branch_equality<mode>_inverted): Likewise.
13296 (condjump): New expander.
13297 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
13299 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
13300 (bc1any2t, bc1any2f): Likewise.
13301 (single_cc): New expander.
13302 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
13304 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13306 * doc/md.texi: Update documentation of MIPS constraints.
13307 * config/mips/constraints.md: New file.
13308 * config/mips/mips.md: Include it.
13309 * config/mips/mips.c (mips_char_to_class): Delete.
13310 (override_options): Don't initialize mips_char_to_class.
13311 * config/mips/mips.h (mips_char_to_class): Delete.
13312 (REG_CLASS_FROM_LETTER): Delete.
13313 (CONST_OK_FOR_LETTER_P): Delete.
13314 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13315 (EXTRA_CONSTRAINT_Y): Delete.
13316 (EXTRA_CONSTRAINT_STR): Delete.
13317 (CONSTRAINT_LEN): Delete.
13318 (EXTRA_MEMORY_CONSTRAINT): Delete.
13320 2006-03-09 Diego Novillo <dnovillo@redhat.com>
13322 * tree-cfg.c (move_block_to_fn): Remove the statements from the
13323 original fn's eh regions.
13325 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
13327 * fold-const.c (build_range_check): Make sure to use a valid type to
13328 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
13331 (range_predecessor): New static function.
13332 (range_successor): Likewise.
13333 (merge_ranges): Use them to compute predecessors and successors of
13336 2006-03-09 Roger Sayle <roger@eyesopen.com>
13338 PR middle-end/26561
13339 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
13340 X op C3, consider whether C3 overflows towards +Inf or -Inf.
13342 2006-03-08 DJ Delorie <dj@redhat.com>
13344 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
13345 (addpsi3): Expand to include memory operands. Remove
13346 reload-specific splits.
13347 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
13348 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
13349 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
13350 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
13351 (shift1_qi, shift1_hi, insv): New.
13352 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
13353 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
13354 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
13356 * config/m32c/m32c-protos.h: Update as needed.
13357 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
13358 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
13359 Fail for unrecognized R* constraints.
13360 (m32c_cannot_change_mode_class): Be more picky about pseudos.
13361 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
13362 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
13364 (m32c_init_libfuncs): New.
13365 (m32c_legitimate_address_p): Add debug wrapper.
13366 (m32c_rtx_costs): New.
13367 (m32c_address_cost): New.
13368 (conversions): Add 'B' prefix.
13369 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
13370 operands, or word regnames for QI operands. 'B' prints bit
13372 (m32c_expand_setmemhi): New.
13373 (m32c_expand_movmemhi): New.
13374 (m32c_expand_movstr): New.
13375 (m32c_expand_cmpstr): New.
13376 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
13377 (m32c_expand_neg_mulpsi3): Handle non-ints.
13378 (m32c_cmp_flg_0): New.
13379 (m32c_expand_movcc): New.
13380 (m32c_expand_insv): New.
13381 (m32c_scc_pattern): New.
13382 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
13383 a0/a1 out of SIregs.
13384 (STORE_FLAG_VALUE): New.
13385 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
13388 * config/m32c/mov.md: Make constraints more liberal.
13389 (zero_extendqihi2): Optimize r0/r1 case.
13390 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
13391 * config/m32c/predicates.md (m32c_any_operand): New.
13392 (m32c_nonimmediate_operand): New.
13393 (m32c_hl_operand): New.
13394 (m32c_r3_operand): New.
13397 (memsym_operand): New.
13398 (memimmed_operand): New.
13399 (a_qi_operand): New.
13400 (m32c_eqne_operator): New.
13401 (m32c_1bit8_operand): New.
13402 (m32c_1bit16_operand): New.
13403 (m32c_1mask8_operand): New.
13404 (m32c_1mask16_operand): New.
13405 * config/m32c/blkmov.md: New file.
13406 * config/m32c/t-m32c (MD_FILES): Add blkmov.
13408 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
13410 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
13411 unsigned to fix signed/unsigned comparison issue in
13412 DWARF2_FRAME_REG_OUT.
13413 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
13414 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
13416 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
13417 of ptr into the ENABLE_CHECKING section.
13419 2006-03-08 Jeff Law <law@redhat.com>
13421 * tree-vrp.c (infer_value_range): Only count pointer uses
13422 and dereferences if -fdelete-null-pointer-checks is enabled.
13424 * tree-vrp.c (find_assert_locations): Infer value ranges for
13425 single use pointers, but do not create ASSERT_EXPRs for them.
13426 When a non-null range is inferred for a pointer, backwards
13427 propagate that range to other equivalent pointers through the
13430 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
13433 * Makefile.in (dvi, html, install-info): Invoke the corresponding
13434 language hook targets.
13435 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
13436 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
13437 if language hook targets were missing.
13439 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
13441 * tree-ssa-opfinalize.h: Removed.
13442 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
13444 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
13445 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
13446 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
13447 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
13448 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
13449 finalize_ssa_v_must_def_ops): New.
13451 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
13453 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
13454 block as parameter.
13456 2006-03-07 Geoffrey Keating <geoffk@apple.com>
13458 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
13460 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
13461 addresses with offsets; reorganize.
13463 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
13464 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
13465 (expand_builtin_init_dwarf_reg_sizes): Likewise.
13467 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
13470 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
13472 2006-03-08 Ben Elliston <bje@au.ibm.com>
13474 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
13476 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
13479 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
13482 2006-03-07 Richard Guenther <rguenther@suse.de>
13484 PR tree-optimization/26587
13485 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
13487 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13489 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
13491 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13493 * hooks.c (hook_bool_mode_rtx_true): New function.
13494 * hooks.h (hook_bool_mode_rtx_true): Declare.
13495 * toplev.c (compile_file): Call output_shared_constant_pool.
13496 * varasm.c (shared_constant_pool): New variable.
13497 (assemble_start_function, assemble_end_function): Remove arguments
13498 from call to output_constant_pool.
13499 (create_constant_pool): New function, split out from...
13500 (init_varasm_status): ...here.
13501 (force_const_mem): Choose between the shared and per-function constant
13502 pools. Set current_function_uses_const_pool when reusing old entries
13503 as well as when creating new ones.
13504 (mark_constant): Ignore data argument.
13505 (mark_constants): Remove pool argument.
13506 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
13507 to decide whether the function uses a constant pool.
13508 (output_constant_pool_contents): New function, split out from...
13509 (output_constant_pool): ...here.
13510 (output_shared_constant_pool): New function.
13511 (init_varasm_once): Initialize shared_constant_pool.
13512 * output.h (output_constant_pool): Delete.
13513 (output_shared_constant_pool): Declare.
13514 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
13515 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
13517 2006-03-06 Nick Clifton <nickc@redhat.com>
13519 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
13520 flag_strength_reduce.
13522 2006-03-06 Ben Elliston <bje@au.ibm.com>
13524 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
13525 x86_64-*-linux* configurations.
13527 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
13528 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
13530 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13532 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
13534 * basic-block.h: Remove the extern for
13535 rediscover_loops_after_threading.
13537 * cfgloop.c (cancel_loop): Make it static.
13538 * cfgloop.h: Remove the prototype for cancel_loop.
13540 * flow.c (recompute_reg_usage): Make it static.
13541 * rtl.h: Remove the prototype for recompute_reg_usage.
13543 * function.c (use_return_register): Make it static.
13544 * function.h: Remove the prototype.
13546 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13548 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
13550 * recog.h: Remove the prototype for
13551 validate_change_maybe_volatile.
13553 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13555 * rtlanal.c (replace_reg): Remove.
13556 * rtl.h: Remove the prototype for replace_reg.
13558 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13560 * regclass.c (reg_scan_update): Remove.
13561 (reg_scan_mark_refs): Remove the last argument.
13562 * rtl.h: Remove the prototype for reg_scan_update.
13564 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13566 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
13567 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
13568 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
13569 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
13570 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
13571 loop-invariant.c, omp-low.c, opts.c, passes.c,
13572 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
13573 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
13574 tree-ssa-structalias.c, tree-ssa-threadedge.c,
13575 tree-ssa-threadupdate.c, tree-vect-patterns.c,
13576 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
13577 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
13579 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13581 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
13582 * dwarf2out.h: Remove the prototype for
13583 dwarf2out_add_library_unit_info.
13585 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13587 * tree.c (add_var_to_bind_expr): Remove.
13588 * tree.h: Remove the prototype for add_var_to_bind_expr.
13590 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13592 * regclass.c (n_non_fixed_regs): Remove.
13593 (init_reg_sets_1, globalize_reg): Remove all uses of
13595 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
13597 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13599 * rtlanal.c (insns_safe_to_move_p): Remove.
13600 * rtl.h: Remove the prototype for insns_safe_to_move_p.
13602 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13604 * expmed.c (expand_mult_add): Remove.
13605 * expr.h: Remove the prototype for expand_mult_add.
13607 2006-03-04 Jakub Jelinek <jakub@redhat.com>
13609 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
13610 and REG_SAVED_VAL_EXP constants.
13611 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
13612 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
13613 Handle regs stored by value.
13614 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
13615 (execute_cfa_program): Handle DW_CFA_val_offset,
13616 DW_CFA_val_offset_sf and DW_CFA_val_expression.
13617 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
13618 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
13619 (uw_install_context_1): Handle target regs stored by value.
13621 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
13623 * tree-sra.c (tree_sra): Return todoflags;
13624 (generate_one_element): Set TODO_update_smt_usage if needed.
13625 (pass_sra): Remove TODO_update_smt_usage.
13626 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
13628 (tree_ssa_forward_propagate_single_use_vars): Return
13629 TODO_update_smt_usage if we need to update SMT usage.
13630 (pass_forwprop): Remove TODO_update_smt_usage.
13632 2006-03-03 Diego Novillo <dnovillo@redhat.com>
13634 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
13635 (correct_use_link): Remove reference to get_stmt_operands.
13636 (update_stmt_operands): Likewise.
13637 (get_modify_expr_operands): New function factored out of
13638 parse_ssa_operands and get_expr_operands.
13639 Try to create V_MUST_DEFs for LHS by default.
13640 (get_expr_operands) <case MODIFY_EXPR>: Call
13641 get_modify_expr_operands.
13642 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
13643 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
13644 (parse_ssa_operands) <case MODIFY_EXPR>: Call
13645 get_modify_expr_operands.
13647 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
13649 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
13650 * tree-flow.h: Remove the prototype for
13651 referenced_var_lookup_if_exists.
13653 2006-03-03 Steve Ellcey <sje@cup.hp.com>
13655 PR rtl-optimization/26345
13657 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
13659 2006-03-03 Roger Sayle <roger@eyesopen.com>
13661 PR tree-optimization/26524
13662 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
13663 fold_convert to create a constant of the appropriate type.
13665 2006-03-03 Richard Sandiford <richard@codesourcery.com>
13667 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13668 SYMBOL_REF_IN_BLOCK_P.
13669 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
13670 of SYMBOL_FLAG_IN_BLOCK.
13671 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
13672 instead of SYMBOL_REF_IN_BLOCK_P.
13673 * explow.c (use_anchored_address): Likewise.
13674 * rtl.c (rtx_size): Likewise.
13675 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
13676 instead of SYMBOL_FLAG_IN_BLOCK.
13677 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13678 SYMBOL_REF_IN_BLOCK_P.
13679 (assemble_variable): Likewise.
13680 (output_constant_def_contents): Likewise.
13681 (output_constant_pool): Likewise.
13682 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
13683 instead of SYMBOL_FLAG_IN_BLOCK.
13684 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13685 SYMBOL_REF_IN_BLOCK_P.
13686 (SYMBOL_REF_BLOCK): Likewise.
13687 (SYMBOL_REF_OFFSET): Likewise.
13688 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13689 SYMBOL_REF_IN_BLOCK_P.
13690 (SYMBOL_FLAG_IN_BLOCK): Replace with...
13691 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
13692 (SYMBOL_REF_IN_BLOCK_P): Replace with...
13693 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
13695 2006-03-03 Jakub Jelinek <jakub@redhat.com>
13697 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
13699 2006-03-02 Roger Sayle <roger@eyesopen.com>
13701 * simplify-rtx.c (simplify_unary_operation): When simplifying
13702 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
13703 that we perform the right shift in the appropriate mode, and
13704 then extend or truncate the result to requested mode.
13706 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
13708 * gengtype.c (main): Handle double_int type.
13709 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
13710 * double-int.c: New file.
13711 * double-int.h: New file.
13712 * system.h: Include doubleint.h.
13713 * Makefile.in (SYSTEM_H): Include double-int.h.
13714 (double-int.o): Add.
13716 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
13719 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
13722 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13724 * tree-vrp.c (remove_range_assertions): Do not update statements
13727 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13729 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
13731 * gcse.c (rest_of_handle_gcse): Ditto.
13732 * except.c (gate_handle_eh): Ditto.
13733 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
13734 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
13736 2006-03-02 Eric Christopher <echristo@apple.com>
13738 * config/i386/i386.c (machopic_output_stub): Add indirection to
13741 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13745 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
13747 Sun Niagara specific optimizations.
13748 * config.gcc: Recognize niagara as target.
13749 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
13750 (TARGET_CPU_niagara): Define.
13751 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
13752 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
13753 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13754 (ASM_CPU_SPEC): Likewise.
13755 (PROCESSOR_NIAGARA): New enum entry.
13756 (REGISTER_MOVE_COST): Handle Niagara.
13757 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
13758 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
13759 (sparc_override_options): Recognize "niagara", set appropriate
13760 default MASK_* values for it, and align functions to 32-bytes
13761 by default just like ULTRASPARC/ULTRASPARC3.
13762 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
13763 (sparc64_initialize_trampoline): Likewise.
13764 (sparc_use_sched_lookahead): Use zero for niagara.
13765 (sparc_issue_rate): Use one for niagara.
13766 * config/sparc/niagara.md: New file.
13767 * config/sparc/sparc.md: Include it.
13768 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
13769 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
13770 when default cpu is niagara.
13771 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13772 (ASM_CPU_SPEC): Likewise.
13773 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
13774 when default cpu is niagara.
13775 (ASM_CPU_SPEC): Handle -mcpu=niagara.
13776 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
13777 just like v9/ultrasparc/ultrasparc3.
13778 * doc/invoke.texi: Add documentation for "niagara" and improve
13779 existing documentation for ultrasparc variants.
13781 2006-03-02 Diego Novillo <dnovillo@redhat.com>
13783 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
13785 2006-03-02 Richard Sandiford <richard@codesourcery.com>
13787 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
13788 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
13789 and say that only one is needed.
13790 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
13791 * target.h (have_switchable_bss_sections): New hook.
13792 * explow.c (use_anchored_address): Check that the symbol is in a block.
13793 * varasm.c (tls_comm_section, comm_section, lcomm_section)
13794 (bss_noswitch_section): New variables.
13795 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
13796 (get_noswitch_section): New function.
13797 (get_block_for_section): Allow SECT to be null.
13798 (unlikely_text_section_p): Use SECTION_STYLE.
13799 (bss_initializer_p): New function.
13800 (get_variable_section): Move earlier in file. Take a new argument,
13801 prefer_noswitch_p. Move bss checks from assemble_variable to here.
13802 Return one of the new *_sections in such cases.
13803 (get_block_for_decl): New function, extracting some logic from
13804 use_blocks_for_decl_p.
13805 (change_symbol_section): Remove in favor of...
13806 (change_symbol_block): ...this new function.
13807 (use_blocks_for_decl_p): Remove checks now performed by
13808 get_block_for_decl.
13809 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
13810 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
13811 (emit_local, emit_bss, emit_common): ...these new functions.
13812 Return true if the alignment was honored.
13813 (emit_tls_common): New function.
13814 (asm_emit_uninitialised): Delete.
13815 (assemble_variable_noswitch): New function, split out from...
13816 (assemble_variable): ...here. Don't make decisions about common
13817 variables here. Globalize all public decls that go into non-common
13818 sections. Check whether SYMBOL_REF_BLOCK is null.
13819 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
13820 (output_constant_pool): Likewise.
13821 (init_varasm_once): Initialize the new section variables.
13822 (have_global_bss_p): New function.
13823 (categorize_decl_for_section): Use bss_initializer_p.
13824 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
13825 (place_block_symbol): Assert that the symbol must be in a block.
13826 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
13827 (TARGET_INITIALIZER): Include it.
13828 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
13829 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
13830 (SECTION_MACH_DEP): Bump by two.
13831 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
13832 (unnamed_section): Mention SECTION_UNNAMED in comment.
13833 (named_section): Likewise SECTION_NAMED.
13834 (noswitch_section_callback): New type.
13835 (noswitch_section): New structure.
13836 (section): Add a noswitch_section alternative.
13837 (SECTION_STYLE): New macro.
13838 (tls_comm_section, comm_section, lcomm_section): Declare.
13839 (bss_noswitch_section, have_global_bss_p): Declare.
13840 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13841 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13843 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13844 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13847 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
13849 * tree-vrp.c (execute_vrp): Return value.
13850 * regrename.c (rest_of_handle_regrename): Ditto.
13851 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
13852 * tree-complex.c (tree_lower_complex): Ditto.
13853 (tree_lower_complex_O0): Ditto.
13854 * tracer.c (rest_of_handle_tracer): Ditto.
13855 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
13856 * postreload.c (rest_of_handle_postreload): Ditto.
13857 * tree-tailcall.c (execute_tail_recursion): Ditto.
13858 (execute_tail_calls): Ditto.
13859 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13860 * tree.h (init_function_for_compilation): Ditto.
13861 * ipa-cp.c (ipcp_driver): Ditto.
13862 * tree-scalar-evolution.c (scev_const_prop): Ditto.
13863 * tree-scalar-evolution.h (scev_const_prop): Ditto.
13864 * final.c (compute_alignments): Ditto.
13865 (rest_of_handle_final): Ditto.
13866 (rest_of_handle_shorten_branches): Ditto.
13867 (rest_of_clean_state): Ditto.
13868 * omp-low.c (execute_expand_omp): Ditto.
13869 (execute_lower_omp): Ditto.
13870 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
13871 * ipa-reference.c (static_execute): Ditto.
13872 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
13873 * reorg.c (rest_of_handle_delay_slots): Ditto.
13874 (rest_of_handle_machine_reorg): Ditto.
13875 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
13876 * flow.c (recompute_reg_usage): Ditto.
13877 (rest_of_handle_remove_death_notes): Ditto.
13878 (rest_of_handle_life): Ditto.
13879 (rest_of_handle_flow2): Ditto.
13880 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
13881 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
13882 (do_ssa_store_ccp): Ditto.
13883 (execute_fold_all_builtins): Ditto.
13884 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
13885 * modulo-sched.c (rest_of_handle_sms): Ditto.
13886 * ipa-pure-const.c (static_execute): Ditto.
13887 * cse.c (rest_of_handle_cse): Ditto.
13888 (rest_of_handle_cse2): Ditto.
13889 * web.c (rest_of_handle_web): Ditto.
13890 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
13891 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
13892 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
13893 * tree-nrv.c (tree_nrv): Ditto.
13894 (execute_return_slot_opt): Ditto.
13895 * tree-ssa-alias.c (compute_may_aliases): Ditto.
13896 (create_structure_vars): Ditto.
13897 * loop-init.c (rtl_loop_init): Ditto.
13898 (rtl_loop_done): Ditto.
13899 (rtl_move_loop_invariants): Ditto.
13900 (rtl_unswitch): Ditto.
13901 (rtl_unroll_and_peel_loops): Ditto.
13902 (rtl_doloop): Ditto.
13903 * gimple-low.c (lower_function_body): Ditto.
13904 (mark_used_blocks): Ditto.
13905 * tree-ssa-sink.c (execute_sink_code): Ditto.
13906 * ipa-inline.c (cgraph_decide_inlining): Ditto.
13907 (cgraph_early_inlining): Ditto.
13908 * global.c (rest_of_handle_global_alloc): Ditto.
13909 * jump.c (cleanup_barriers): Ditto.
13910 (purge_line_number_notes): Ditto.
13911 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
13912 (rest_of_handle_if_after_reload): Ditto.
13913 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
13914 (tree_ssa_loop_im): Ditto.
13915 (tree_ssa_loop_unswitch): Ditto.
13916 (tree_vectorize): Ditto.
13917 (tree_linear_transform): Ditto.
13918 (tree_ssa_loop_ivcanon): Ditto.
13919 (tree_ssa_empty_loop): Ditto.
13920 (tree_ssa_loop_bounds): Ditto.
13921 (tree_complete_unroll): Ditto.
13922 (tree_ssa_loop_prefetch): Ditto.
13923 (tree_ssa_loop_ivopts): Ditto.
13924 (tree_ssa_loop_done): Ditto.
13925 * predict.c (tree_estimate_probability): Ditto.
13926 * recog.c (split_all_insns_noflow): Ditto.
13927 (rest_of_handle_peephole2): Ditto.
13928 (rest_of_handle_split_all_insns): Ditto.
13929 * tree-eh.c (lower_eh_constructs): Ditto.
13930 * regmove.c (rest_of_handle_regmove): Ditto.
13931 (rest_of_handle_stack_adjustments): Ditto.
13932 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
13933 * function.c (instantiate_virtual_regs): Ditto.
13934 (init_function_for_compilation): Ditto.
13935 (rest_of_handle_check_leaf_regs): Ditto.
13936 * gcse.c (rest_of_handle_jump_bypass): Ditto.
13937 (rest_of_handle_gcse): Ditto.
13938 * ipa-type-escape.c (type_escape_execute): Ditto.
13939 * alias.c (rest_of_handle_cfg): Ditto.
13940 * tree-if-conv.c (main_tree_if_conversion): Ditto.
13941 * profile.c (rest_of_handle_branch_prob): Ditto.
13942 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
13943 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
13944 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
13945 * tree-dfa.c (find_referenced_vars): Ditto.
13946 * except.c (set_nothrow_function_flags): Ditto.
13947 (convert_to_eh_region_ranges): Ditto.
13948 (rest_of_handle_eh): Ditto.
13949 * emit-rtl.c (unshare_all_rtl): Ditto.
13950 (remove_unnecessary_notes): Ditto.
13951 * except.h (set_nothrow_function_flags): Ditto.
13952 (convert_to_eh_region_ranges): Ditto.
13953 * cfgexpand.c (tree_expand_cfg): Ditto.
13954 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
13955 * tree-ssa-pre.c (do_pre): Ditto.
13956 (execute_fre): Ditto.
13957 * cfgcleanup.c (rest_of_handle_jump): Ditto.
13958 (rest_of_handle_jump2): Ditto.
13959 * tree-sra.c (tree_sra): Ditto.
13960 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
13961 (execute_mudflap_function_decls): Ditto.
13962 * tree-ssa-copy.c (do_copy_prop): Ditto.
13963 (do_store_copy_prop): Ditto.
13964 * ipa-prop.h (ipcp_driver): Ditto.
13965 * cfglayout.c (insn_locators_initialize): Ditto.
13966 * tree-ssa-forwprop.c
13967 (tree_ssa_forward_propagate_single_use_vars): Ditto.
13968 * cfglayout.h (insn_locators_initialize): Ditto.
13969 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
13970 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
13971 (execute_late_warn_uninitialized): Ditto.
13972 * rtl.h (cleanup_barriers): Ditto.
13973 (split_all_insns_noflow): Ditto.
13974 (purge_line_number_notes): Ditto.
13975 (unshare_all_rtl): Ditto.
13976 (remove_unnecessary_notes): Ditto.
13977 (recompute_reg_usage): Ditto.
13978 (variable_tracking_main): Ditto.
13979 * integrate.c (emit_initial_value_sets): Ditto.
13980 * integrate.h (emit_initial_value_sets): Ditto.
13981 * tree-optimize.c (execute_free_datastructures): Ditto
13982 (execute_free_cfg_annotations): Ditto.
13983 (execute_fixup_cfg): Ditto.
13984 (execute_cleanup_cfg_pre_ipa): Ditto.
13985 (execute_cleanup_cfg_post_optimizing): Ditto.
13986 (execute_init_datastructures): Ditto.
13987 * tree-object-size.c (compute_object_sizes): Ditto.
13988 * combine.c (rest_of_handle_combine): Ditto.
13989 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
13990 * bb-reorder.c (duplicate_computed_gotos): Ditto.
13991 (rest_of_handle_reorder_blocks): Ditto.
13992 (rest_of_handle_partition_blocks): Ditto.
13993 * var-tracking.c (variable_tracking_main): Ditto.
13994 * tree-profile.c (tree_profiling): Ditto.
13995 * tree-vect-generic.c (expand_vector_operations): Ditto.
13996 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
13997 * sched-rgn.c (rest_of_handle_sched): Ditto.
13998 (rest_of_handle_sched2): Ditto.
13999 * basic-block.h (free_bb_insn): Ditto.
14000 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
14001 * tree-cfg.c (execute_build_cfg): Ditto.
14002 (remove_useless_stmts): Ditto.
14003 (split_critical_edges): Ditto.
14004 (execute_warn_function_return): Ditto.
14005 (execute_warn_function_noreturn): Ditto.
14006 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
14007 * cfgrtl.c (free_bb_for_insn): Ditto.
14008 * passes.c (execute_one_pass): Run additional
14009 todos returned by execute function.
14010 * tree-pass.h (struct tree_opt_pass): Make execute
14013 2006-03-02 Richard Guenther <rguenther@suse.de>
14015 * tree-ssa-alias.c (find_used_portions): Consider taking
14016 the address as making the variable not write-only.
14018 2006-03-02 Nick Clifton <nickc@redhat.com>
14020 * config.gcc (default_use_cxa_atexit): Extend the description of
14021 this configure variable. Set its default value to "yes" for
14022 Linux, NetBSD and ELF targets on the assumption that they will
14023 use C libraries with the __cxa_atexit function.
14025 2006-03-02 Ben Elliston <bje@au.ibm.com>
14027 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
14028 parameter as unused to suppress a build warning.
14030 2006-03-02 Ben Elliston <bje@au.ibm.com>
14032 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
14035 2006-03-01 Roger Sayle <roger@eyesopen.com>
14038 * gthr-posix.h (__gthrw2): Define to take three parameters, the
14039 declared name, the weak reference name, and the typeof name.
14040 (__gthrw): Avoid expanding the declared name suffix.
14041 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
14043 2006-03-01 Jakub Jelinek <jakub@redhat.com>
14045 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
14047 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
14048 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
14049 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
14050 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
14051 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
14052 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
14053 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
14054 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
14055 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
14056 DW_DS_leading_separate, DW_DS_trailing_separate): New.
14057 (DW_END_default, DW_END_big, DW_END_little): New.
14058 (DW_END_lo_user, DW_END_hi_user): Define.
14059 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
14060 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
14061 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
14064 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14066 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
14068 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
14070 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
14072 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
14074 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
14075 to 'symbol_mem_tag'.
14077 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
14080 2006-03-01 Roger Sayle <roger@eyesopen.com>
14082 * builtins.c (fold_builtin_copysign): Delete unreachable code.
14084 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14087 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
14088 MACHO_DYNAMIC_NO_PIC_P.
14089 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
14091 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14094 * config/darwin-protos.h (darwin_asm_output_anchor):
14096 * config/darwin-sections.def (cstring_section):
14097 Add SECTION_MERGE to the flags.
14098 (literal4_section): Likewise.
14099 (literal8_section): Likewise.
14100 (objc_selector_refs_section): Likewise.
14101 (objc_cls_refs_section): Likewise.
14102 * config/darwin.c (darwin_asm_output_anchor): New
14104 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14106 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
14108 Fix PR tree-optimization/26443
14109 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
14110 to todo and PROP_tmt_usage to properties_destroyed.
14111 * tree-ssa-ccp.c (pass_ccp): Ditto.
14112 (pass_store_ccp): Ditto.
14113 * tree-ssa-dom.c (pass_dominator): Ditto.
14115 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14117 * tree-ssa-operands.c: Cleanup whitespace.
14118 (get_asm_expr_operands): Move before first invocation.
14119 (get_indirect_ref_operands): Likewise.
14120 (get_tmr_operands): Likewise.
14121 (get_call_expr_operands): Likewise.
14122 (append_def): Likewise.
14123 (append_use): Likewise.
14124 (append_v_may_def): Likewise.
14125 (append_v_must_def): Likewise.
14126 (add_call_clobber_ops): Likewise.
14127 (add_call_read_ops): Likewise.
14128 (add_stmt_operand): Likewise.
14129 (add_virtual_operand): Likewise.
14130 (build_ssa_operands): Likewise.
14132 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14134 PR middle-end/26022
14136 PR middle-end/24437
14137 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14138 with a call expr to ...
14139 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14141 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14143 * tree-vrp.c (extract_range_from_assert): Remove special
14144 handling for types with super-types.
14146 2006-03-01 Ben Elliston <bje@au.ibm.com>
14148 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
14149 and powerpc64-*-linux* configurations.
14150 * config/t-dfprules: New file.
14152 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
14153 Compile dfp-bit.c from the source directory using -DWIDTH and
14154 $DFP_CFLAGS to control the compilation of that file, rather than
14155 generating width-specific versions in the build directory.
14156 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
14157 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
14159 2006-02-28 Zack Weinberg <zackw@panix.com>
14161 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
14164 2006-02-28 Eric Christopher <echristo@apple.com>
14166 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
14167 Set up IN_LIBGCC definition of TARGET_64BIT.
14168 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
14170 2006-02-28 Roger Sayle <roger@eyesopen.com>
14172 PR middle-end/14752
14173 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
14174 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
14175 cases via the construction of "expr != 0".
14177 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
14179 * alias.c (alias_invariant, alias_invariant_size): Remove.
14180 (record_base_value): Remove.
14181 (memrefs_conflict_p): Don't look at alias_invariant.
14182 (end_alias_analysis): Don't free it.
14183 * alias.h (record_base_value): Remove prototype.
14185 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
14186 Adam Nemet <anemet@caviumnetworks.com>
14188 * rtl.h (truncated_to_mode): Declare it.
14189 (struct rtl_hooks): Add reg_truncated_to_mode hook.
14190 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
14191 (RTL_HOOKS_INITIALIZER): Include it.
14192 * rtlhooks.c (reg_truncated_to_mode_general): New function.
14193 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
14194 reg_truncated_to_mode.
14195 * rtlanal.c (truncated_to_mode): Define it.
14196 * simplify-rtx.c (simplify_unary_operation_1): Use it.
14198 2006-02-28 Jeff Law <law@redhat.com>
14200 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
14201 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
14202 the range allowed by TYPE_PRECISION.
14204 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
14206 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
14208 PR tree-optimization/26419
14209 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
14212 2006-02-27 Zack Weinberg <zackw@panix.com>
14214 * doc/md.texi: Fix typo in previous change.
14216 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
14220 2006-02-27 Zack Weinberg <zackw@panix.com>
14222 * rtl.def (define_constraint, define_register_constraint)
14223 (define_memory_constraint, define_address_constraint): New MD forms.
14224 * gensupport.c (process_rtx): Put define_constraint etc on the
14226 * genpreds.c (process_define_predicate): Adjust comment. Validate
14227 the name, and call validate_exp to validate the expression.
14228 (mark_mode_tests, write_extract_subexp): Can assume correct input.
14229 (write_predicate_expr): Likewise. NAME argument no longer necessary;
14230 all callers changed.
14231 (validate_exp, needs_variable, struct constraint_data)
14232 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
14233 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
14234 (const_dbl_constraints, constraint_max_namelen)
14235 (have_register_constraints, have_memory_constraints)
14236 (have_address_constraints, have_address_constraints)
14237 (have_extra_constraints, have_const_int_constraints)
14238 (have_const_dbl_constraints, mangle, add_constraint)
14239 (process_define_constraint, process_define_register_constraint)
14240 (write_enum_constraint_num, write_lookup_constraint)
14241 (write_insn_constraint_len, write_regclass_for_constraint)
14242 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
14243 (write_insn_extra_memory_constraint)
14244 (write_insn_extra_address_constraint)
14245 (write_satisfies_constraint_fns): New.
14246 (write_tm_preds_h): If we have new-style constraint definitions,
14247 prototype the functions generated from them, and define the
14248 old constraint interface (still used by generic code) in terms of
14250 (write_insn_preds_c): If we have new-style constraint definitions,
14251 generate all relevant functions from those definitions.
14252 (main): Handle define_constraint etc.
14253 * genoutput.c (struct constraint_data, indep_constraints)
14254 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
14255 (mdep_constraint_len): New data structures and functions, defined
14256 #ifdef USE_MD_CONSTRAINTS.
14257 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
14258 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
14259 use new logic to validate operand constraints against constraint
14261 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
14263 * defaults.h: If none of the old-style constraint macros are
14264 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
14265 old-style macros; and poison REG_CLASS_FROM_LETTER,
14266 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
14268 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
14269 * doc/md.texi: Document new constraint-definition mechanism and the
14270 C interface it provides. Remove references to old mechanism
14271 elsewhere in the document.
14272 (Machine Constraints): Use pathnames relative to gcc directory,
14273 i.e. config/ARCH/FILE. Change i386 section to refer to
14274 config/i386/predicates.md; update that section to match docstrings.
14275 * doc/tm.texi: Move all documentation of the old constraint-
14276 definition macros to their own section, clearly mark as obsolete.
14278 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
14279 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
14281 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
14282 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
14283 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
14284 constraint strings.
14285 (splits and peepholes): Use satisfies_constraint_*.
14286 * config/i386/i386.c (memory_address_length)
14287 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
14289 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14291 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
14292 scalar operation to be put back into the loop.
14294 2006-02-27 Jakub Jelinek <jakub@redhat.com>
14297 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
14298 (extract_cie_info): Handle S flag in augmentation string.
14299 (execute_cfa_program): If context->signal_frame, execute also
14300 fs->pc == context->ra instructions.
14301 (uw_frame_state_for): If context->signal_frame, don't subtract one
14302 from context->ra to find FDE.
14303 (uw_update_context_1): Set context->signal_frame to
14305 (_Unwind_GetIPInfo): New function.
14306 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
14307 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
14309 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
14310 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
14311 * unwind-compat.c (_Unwind_GetIPInfo): New function.
14312 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
14313 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
14314 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
14315 * config/i386/linux-unwind.h (x86_fallback_frame_state,
14316 x86_64_fallback_frame_state): Set fs->signal_frame.
14317 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
14318 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
14319 (frob_update_context): Likewise. Workaround missing S flag in
14320 Linux 2.6.12 - 2.6.16 kernel vDSOs.
14321 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
14322 Remove the psw_addr + 1 hack.
14324 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14326 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
14327 with aggregates here.
14328 (find_func_aliases): Remove code for &<aggregate> from here.
14330 2006-02-26 Roger Sayle <roger@eyesopen.com>
14332 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
14333 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
14334 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
14335 as (X & C) ne/eq 0.
14337 2006-02-26 Roger Sayle <roger@eyesopen.com>
14339 PR middle-end/19983
14340 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
14342 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
14344 * opts.c (decode_options): Do not handle flag_strength_reduce.
14345 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
14346 and OPT_fstrength_reduce.
14347 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
14348 flag_prefetch_loop_arrays for being nonzero.
14349 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
14351 (fprefetch-loop-arrays-rtl): Removed.
14352 (flag_prefetch_loop_arrays): Do not specify the value.
14354 * doc/passes.texi: Update documentation of loop optimizer
14356 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
14357 -frerun-loop-opt): Remove.
14359 2006-02-26 Richard Guenther <rguenther@suse.de>
14361 PR tree-optimization/26421
14362 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
14363 in function calls that are ADDR_EXPRs as using the whole structure.
14365 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
14367 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
14368 * tree-pass.h (pass_loop_optimize): Remove.
14369 * passes.c (pass_loop_optimize): Never run it.
14370 * toplev.c (backend_init): Don't call init_loop.
14371 * opts.c (flag_loop_optimize_set): Remove.
14372 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
14373 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
14374 the old RTL loop optimizer when profiling enabled.
14375 * predict.c (tree_estimate_probability): Always strip builtin_expect.
14376 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
14377 pre-headers for the sake of the old RTL loop optimizer.
14378 * Makefile.in: Remove all references to loop.o.
14380 * doc/invoke.texi: Remove all references to -floop-optimize
14381 and -frerun-loop-opt.
14383 2006-02-26 Zack Weinberg <zackw@panix.com>
14385 * doc/md.texi (Machine Constraints): Refer to all files with paths
14386 relative to gcc directory (i.e. config/CPU/file). Add missing
14387 @table @code ... @end table to M32C subsection.
14389 2006-02-26 Roger Sayle <roger@eyesopen.com>
14391 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
14393 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
14395 2006-02-26 Roger Sayle <roger@eyesopen.com>
14396 James A. Morrison <phython@gcc.gnu.org>
14398 PR middle-end/21137
14399 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
14400 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
14401 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
14402 signedness of the shift operation.
14404 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
14406 PR tree-optimization/26359
14407 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
14409 2006-02-25 Roger Sayle <roger@eyesopen.com>
14411 * simplify-rtx.c (simplify_relational_operation_1): Simplify
14412 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
14413 as X == 0, and some symmetry related transformations.
14414 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
14416 2006-02-25 Roger Sayle <roger@eyesopen.com>
14418 PR middle-end/23673
14419 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
14420 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
14421 symmetry related transformations. Fold (X^C1) == C2 as
14424 2006-02-25 Juergen Weigert <jw@suse.de>
14425 Richard Guenther <rguenther@suse.de>
14427 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
14429 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
14431 * combine.c (gen_lowpart_or_truncate): Call
14432 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
14434 2006-02-24 Diego Novillo <dnovillo@redhat.com>
14436 * doc/invoke.texi: Move -fopenmp description to "Options for
14438 Remove reference to -lgomp.
14440 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14442 * doc/install.texi: Require GNU tar version 1.14.
14444 2006-02-24 Geoffrey Keating <geoffk@apple.com>
14446 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
14447 * doc/invoke.texi (C++ Dialect Options): Document
14448 -fno-use-cxa-get-exception-ptr.
14449 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
14450 * configure: Regenerate.
14451 * c.opt (fuse-cxa-get-exception-ptr): New.
14452 * c-opts.c (c_common_handle_option): Handle
14453 OPT_fuse_cxa_get_exception_ptr.
14454 * c-common.c (flag_use_cxa_atexit): Update documentation.
14455 (flag_use_cxa_get_exception_ptr): New.
14456 * c-common.h (flag_use_cxa_get_exception_ptr): New.
14457 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
14459 (C_COMMON_OVERRIDE_OPTIONS): New.
14461 2006-02-24 Roger Sayle <roger@eyesopen.com>
14463 PR middle-end/24952
14464 * combine.c (try_combine): Explicitly check whether GET_CODE is
14465 a SET or a CLOBBER, instead on checking that it isn't a USE.
14467 2006-02-24 Roger Sayle <roger@eyesopen.com>
14469 * fold-const.c (fold_comparison): New subroutine of fold_binary
14470 containing transformations common to both the equality and
14471 ordering relational operators, factored out of fold_binary.
14472 (fold_binary): Separate out the equality operators (EQ_EXPR
14473 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
14474 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
14475 transformations common to both.
14476 (fold_div_compare): Fix latent bugs in the previously unreachable
14477 LT_EXPR and GE_EXPR cases.
14479 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14481 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
14482 decl libname for clog to __clog on AIX.
14484 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
14486 2006-02-24 Alan Modra <amodra@bigpond.net.au>
14489 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
14490 output traceback table for thunks. Localise rs6000_stack_info call.
14492 2006-02-23 Roger Sayle <roger@eyesopen.com>
14493 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14495 * gthr-posix.h (__gthrw): Fix typo in comment.
14497 2006-02-23 Geoffrey Keating <geoffk@apple.com>
14499 * doc/cpp.texi (Character sets): Document that we do support
14500 input files to be in any character set.
14502 2006-02-23 Jeff Law <law@redhat.com>
14504 * tree.h (PHI_ARG_NONZERO): Remove.
14505 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
14506 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
14507 node to the new node.
14509 PR tree-optimization/26425
14510 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
14511 min/max, then assume its varying.
14513 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14515 PR rtl-optimization/26316
14516 * rtlanal.c (enum may_trap_p_flags): New.
14517 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
14518 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
14519 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
14520 (may_trap_after_code_motion_p): New function.
14521 * loop-invariant.c (find_identical_invariants): Fix dump formating.
14522 (find_invariant_insn): Use may_trap_after_code_motion_p.
14523 * rtl.h (may_trap_after_code_motion_p): Declare.
14525 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14527 * emit-rtl.c (immed_double_const): Cleanup.
14529 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
14531 Fix PR tree-optimization/26376
14532 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
14535 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14537 PR middle-end/26412
14538 * gimplify.c (omp_add_variable): Guard variable size decl test with
14539 DECL_SIZE (decl) check.
14541 2006-02-23 Richard Guenther <rguenther@suse.de>
14543 PR middle-end/26439
14544 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
14545 like aggregate types.
14547 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14549 * configure.ac: Add --with{,out}-long-double-128 configure option.
14550 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
14551 * configure: Rebuilt.
14552 * config.in: Rebuilt.
14553 * doc/install.texi (Options specification): Document
14554 --with-long-double-128.
14556 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14557 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14558 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14559 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14561 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
14563 * config/s390/s390.c (override_options): Handle
14564 TARGET_DEFAULT_LONG_DOUBLE_128.
14566 * config/alpha/alpha.c (override_options): Handle
14567 TARGET_DEFAULT_LONG_DOUBLE_128.
14569 * config/sparc/sparc.c (sparc_override_options): Handle
14570 TARGET_DEFAULT_LONG_DOUBLE_128.
14572 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
14574 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
14575 (real-install-headers-tar, real-install-headers-cpio)
14576 (real-install-headers-cp): New targets.
14578 2006-02-22 Richard Sandiford <richard@codesourcery.com>
14580 * tree.h (variable_section): Delete.
14581 * varasm.c (variable_section): Delete.
14583 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
14585 * install.texi: Add notes on install.texi2html.
14586 (Building in parallel): Do not use footnotes.
14588 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
14591 * doc/install.texi (Configuration): Document --disable-libgomp.
14593 2006-02-21 Geoffrey Keating <geoffk@apple.com>
14595 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
14597 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14599 * config/i386/sse.md (vec_extractv2df_1_sse): New.
14600 (vec_extractv2df_0_sse): New.
14602 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14604 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
14605 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
14606 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
14607 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
14608 to the result of the expression.
14609 (def_cfa_1): Adjust.
14610 (frame_pointer_cfa_offset): Rename to...
14611 (frame_pointer_fb_offset): ... this. Adjust all uses.
14612 (convert_cfa_to_loc_list): Rename to...
14613 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
14614 Pass it on to build_cfa_loc.
14615 (compute_frame_pointer_to_cfa_displacement): Rename to...
14616 (compute_frame_pointer_to_fb_displacement): ... this. New
14617 offset parameter. Use it in computation.
14618 (gen_subprogram_die): Compute cfa_fb_offset with the new
14619 macro, and use it to compute the fb loc list and the
14622 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
14624 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
14625 replaced with register_operand.
14626 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
14627 non-DREG is expensive.
14628 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
14629 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
14632 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
14634 * doc/install.texi2html: Use set -e.
14636 2006-02-21 Richard Sandiford <richard@codesourcery.com>
14638 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14639 (ASM_OUTPUT_SHARED_LOCAL): Delete.
14640 * doc/invoke.texi (-fshared-data): Delete.
14641 * common.opt (fshared-data): Delete.
14642 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
14643 (assemble_static_space): Remove #if 0 code.
14644 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14645 (ASM_OUTPUT_SHARED_LOCAL): Poison.
14646 * config/cris/cris.h: Remove FIXME.
14648 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
14650 * doc/sourcebuild.texi (Front End Directory): No more double-colon
14653 2006-02-21 Jakub Jelinek <jakub@redhat.com>
14655 PR middle-end/26379
14656 * combine.c (simplify_shift_const_1): Disable nested shifts
14657 optimization for vector shifts.
14659 2006-02-20 Roger Sayle <roger@eyesopen.com>
14661 PR tree-optimization/26361
14662 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
14663 of unsigned integer types.
14665 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
14667 * tree-chrec.c (eq_evolutions_p): New.
14668 * tree-chrec.h (eq_evolutions_p): Declared.
14669 * tree-data-ref.c: Fix formatting.
14670 (datadep_stats, dependence_stats): New.
14672 (print_direction_vector): New.
14673 (dump_data_dependence_relation): Use print_direction_vector.
14674 (object_analysis, create_data_ref): Handle COMPONENT_REF.
14675 (compute_subscript_distance): Static.
14676 (initialize_data_dependence_relation): Static. Get the number
14677 of loops surrounding the references from the callers, and initialize
14678 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
14679 base_object_differ_p analyzers.
14680 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
14681 compute_overlap_steps_for_affine_1_2,
14682 analyze_subscript_affine_affine): Count the classified dependences.
14683 Print a message when a test failed.
14684 (can_use_analyze_subscript_affine_affine): New.
14685 (analyze_siv_subscript): Compute the data dependences on symbolic
14686 scevs that verify can_use_analyze_subscript_affine_affine.
14687 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
14688 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
14689 Handle symbolic scevs.
14690 (analyze_overlapping_iterations): Let symbolic affine scevs to be
14692 (subscript_dependence_tester): Moved...
14693 (build_classic_dist_vector, build_classic_dir_vector): Don't use
14694 lambda_vector_clear on newly allocated vectors. Get nb_loops from
14695 DDR_SIZE_VECT instead of getting it in parameter.
14696 (subscript_dependence_tester): ... here. Take as a parameter
14697 loop_nest_depth. Call build_classic_dist_vector and
14698 build_classic_dir_vector.
14699 (compute_affine_dependence): Update subscript_dependence_tester
14700 parameters. Update datadep_stats counters. Call
14701 compute_subscript_distance.
14702 (compute_self_dependence): Save the dist and dir vectors. Call
14703 compute_subscript_distance.
14704 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
14705 (compute_all_dependences): Reorder parameters as they were before
14706 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
14707 compute_subscript_distance. Update the use of
14708 compute_affine_dependence and initialize_data_dependence_relation.
14709 (find_data_references_in_loop): Handle COMPONENT_REF.
14710 (compute_data_dependences_for_loop): Initialize dependence_stats.
14711 Don't call build_classic_dist_vector and build_classic_dir_vector.
14712 Update the parameters of initialize_data_dependence_relation and
14713 compute_all_dependences. Print the statistics from datadep_stats.
14714 (analyze_all_data_dependences): Static. Not used until the pass for
14715 checking the data dependences is contributed.
14716 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
14717 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
14718 (initialize_data_dependence_relation, compute_affine_dependence,
14719 analyze_all_data_dependences, compute_subscript_distance): Removed.
14720 (print_direction_vector): New.
14721 * lambda.h (gcd): ... here.
14722 (lambda_vector_gcd): Moved here from gcd_vector.
14723 * lambda-code.c (gcd, gcd_vector): Removed.
14724 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
14725 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
14727 2006-02-20 Diego Novillo <dnovillo@redhat.com>
14729 * ipa-type-escape.c: Tidy some comments and white space.
14730 * tree-ssa-operands.c: Likewise.
14732 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
14735 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
14736 (dump_decl_name): Do not walk the decl tree chains.
14737 * tree-pass.h (TDF_CHAIN): Remove.
14739 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14741 * Makefile.in (C): Remove
14743 (.PHONY): Remove C and PROTO
14745 2006-02-20 Roger Sayle <roger@eyesopen.com>
14747 PR middle-end/26236
14748 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
14749 deprecated CHAR_TYPE tree code.
14751 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14753 * configure.ac (target_list): Add install-info, dvi, html.
14754 * configure: Regenerate.
14756 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
14757 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
14758 treelang/Make-lang.in: Do not use double-colon rules.
14760 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
14762 * tree.h (struct tree_memory_tag): Add is_used_alone member.
14763 (TMT_USED_ALONE): New macro.
14764 * tree-pass.h (PROP_tmt_usage): New property.
14765 (TODO_update_tmt_usage): New todo.
14766 * tree-ssa-alias.c (updating_used_alone): New variable.
14767 (recalculate_used_alone): New function.
14768 (compute_may_aliases): Set updating_used_alone, call
14769 recalculate_used_alone.
14770 * tree-sra.c (pass_sra): Note that this pass destroys
14771 PROP_tmt_usage, and add TODO_update_tmt_usage.
14772 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
14773 * tree-flow.h (updating_used_alone): Prototype.
14774 (recalculate_used_alone): Ditto.
14775 * passes.c (execute_todo): Add code to set updating_used_alone,
14776 and call recalculate.
14777 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
14778 for clobber if used alone, and add assert to verify used_alone
14781 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
14783 * config/s390/s390.c (legitimize_pic_address): Assertions checking
14784 for non tls symbols added.
14785 (legitimize_address): Do nothing for PLUS expressions if one of the
14786 addends is a tls symbol reference.
14788 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14792 * Makefile.in (LDFLAGS): Define from autoconf substitution.
14794 * Makefile.in (BOOTSTRAPPING): New.
14795 (quickstrap): New definition if BOOTSTRAPPING=yes.
14797 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
14798 * configure.ac: Substitute all_selected_languages with the languages
14799 that were configured. For all the other variables except
14800 lang_specs_files, include all the languages in the tree.
14801 * configure: Regenerate.
14803 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
14804 if there is one. Run the commands to run fixincludes in the same
14807 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
14808 * doc/install.texi: Document exact conventions for searching target tools.
14809 Document --with-build-time-tools. Document toplevel bootstrap. Document
14810 something more about building an Ada cross-compiler. Don't list GNU Make
14811 requirements which affect all platforms.
14813 2006-02-19 Roger Sayle <roger@eyesopen.com>
14815 PR middle-end/19543
14816 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
14817 only equivalent if the have both the same mode and precision.
14819 2006-02-20 Ben Elliston <bje@au.ibm.com>
14821 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
14823 2006-02-19 Roger Sayle <roger@eyesopen.com>
14824 Steven Bosscher <stevenb.gcc@gmail.com>
14826 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
14827 constant pool references to identify stack mode constants.
14828 * rtlanal.c (constant_pool_constant_p): New predicate to check
14829 whether operand is a floating point constant in the pool.
14830 * rtl.h (constant_pool_constant_p): Prototype here.
14831 * loop.c (scan_loop): Avoid hoisting constants from the constant
14832 pool on STACK_REGS targets.
14833 (load_mems): Likewise.
14834 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
14835 loads into x87 registers expensive in terms of register pressure.
14837 2006-02-19 Roger Sayle <roger@eyesopen.com>
14839 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
14840 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
14842 2006-02-19 David Edelsohn <edelsohn@gnu.org>
14844 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14845 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
14847 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
14849 * doc/invoke.texi: Document -fipa-pta.
14850 * common.opt: Add ipa-pta option.
14851 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
14852 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
14853 (do_ds_constraint): Ditto.
14854 (get_constraint_for): Only add to referenced_vars if
14855 referenced_vars exists.
14856 (insert_into_field_list): Rewrite to do this unsorted.
14857 (insert_into_field_list_sorted): Rename old insert_into_field_list
14859 (create_function_info_for): Use insert_into_field_list_sorted.
14860 (create_variable_info_for): Rewrite so it uses unsorted version,
14861 since the field list is sorted.
14862 (intra_create_variable_infos): Only add to referenced_vars if
14863 referenced_vars exists.
14864 (ipa_pta_execute): Init heapvars, and delete when done.
14865 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
14867 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14869 * doc/install.texi: Add missing `@samp'.
14871 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14873 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
14876 2006-02-18 Mark Wielaard <mark@klomp.org>
14878 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
14879 who added new 4.1 features, bug fixes and integration support.
14881 2006-02-18 David Edelsohn <edelsohn@gnu.org>
14884 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
14885 MEM for ABI_V4 pic.
14887 2006-02-18 Richard Sandiford <richard@codesourcery.com>
14889 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
14890 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
14891 (copy_insn_1): Likewise. Don't copy each field individually.
14893 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
14895 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
14896 * rtl.c (rtx_size): Rename variable to...
14897 (rtx_code_size): ...this.
14898 (rtx_size): New function.
14899 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
14900 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
14902 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
14903 * rtl.h (rtx_code_size): New variable.
14904 (rtx_size): Change from a variable to a function.
14905 (RTX_SIZE): Rename to...
14906 (RTX_CODE_SIZE): ...this.
14909 PR tree-optimization/17106
14910 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
14911 (Anchored Addresses): New section.
14912 * doc/invoke.texi (-fsection-anchors): Document.
14913 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
14914 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
14915 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
14916 * hooks.c (hook_bool_mode_rtx_false): New function.
14917 * hooks.h (hook_bool_mode_rtx_false): Declare.
14918 * gengtype.c (create_optional_field): New function.
14919 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
14920 SYMBOL_REF_IN_BLOCK_P is true.
14921 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
14922 (min_anchor_offset, max_anchor_offset): Likewise.
14923 (use_anchors_for_symbol_p): New hook.
14924 * toplev.c (compile_file): Call output_object_blocks.
14925 (target_supports_section_anchors_p): New function.
14926 (process_options): Check that -fsection-anchors is only used on
14927 targets that support it and when -funit-at-a-time is in effect.
14928 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
14929 if the decl doesn't have one.
14930 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
14931 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
14932 of force_const_mem through use_anchored_address.
14933 (expand_expr_constant): New function.
14934 (expand_expr_addr_expr_1): Call it. Use the same modifier when
14935 calling expand_expr for INDIRECT_REF.
14936 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
14937 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
14938 * expr.h (use_anchored_address): Declare.
14939 * loop-unroll.c: Don't declare rtx vectors here.
14940 * explow.c: Include output.h.
14941 (validize_mem): Call use_anchored_address.
14942 (use_anchored_address): New function.
14943 * common.opt (-fsection-anchors): New switch.
14944 * varasm.c (object_block_htab, anchor_labelno): New variables.
14945 (hash_section, object_block_entry_eq, object_block_entry_hash)
14946 (use_object_blocks_p, get_block_for_section, create_block_symbol)
14947 (use_blocks_for_decl_p, change_symbol_section): New functions.
14948 (get_variable_section): New function, split out from assemble_variable.
14949 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
14950 use_blocks_for_decl_p say so. Use change_symbol_section if the
14951 symbol has already been created.
14952 (assemble_variable_contents): New function, split out from...
14953 (assemble_variable): ...here. Don't output any code for
14954 block symbols; just pass them to place_block_symbol.
14955 Use get_variable_section and assemble_variable_contents.
14956 (get_constant_alignment, get_constant_section, get_constant_size): New
14957 functions, split from output_constant_def_contents.
14958 (build_constant_desc): Create a block symbol if use_object_blocks_p
14959 says so. Or into SYMBOL_REF_FLAGS.
14960 (assemble_constant_contents): New function, split from...
14961 (output_constant_def_contents): ...here. Don't output any code
14962 for block symbols; just pass them to place_section_symbol.
14963 Use get_constant_section and get_constant_alignment.
14964 (force_const_mem): Create a block symbol if use_object_blocks_p and
14965 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
14966 (output_constant_pool_1): Add an explicit alignment argument.
14967 Don't switch sections here.
14968 (output_constant_pool): Adjust call to output_constant_pool_1.
14969 Switch sections here instead. Don't output anything for block symbols;
14970 just pass them to place_block_symbol.
14971 (init_varasm_once): Initialize object_block_htab.
14972 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
14973 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
14974 (place_block_symbol, get_section_anchor, output_object_block)
14975 (output_object_block_htab, output_object_blocks): New functions.
14976 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
14977 (TARGET_ASM_OUT): Include it.
14978 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
14979 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
14980 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
14981 (TARGET_INITIALIZER): Include them.
14982 * rtl.c (rtl_check_failed_block_symbol): New function.
14983 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
14984 (block_symbol, object_block): New structures.
14985 (rtx_def): Add a block_symbol field to the union.
14986 (BLOCK_SYMBOL_CHECK): New macro.
14987 (rtl_check_failed_block_symbol): Declare.
14988 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
14989 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
14990 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
14991 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
14992 * output.h (output_section_symbols): Declare.
14993 (object_block): Name structure.
14994 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
14995 (default_use_anchors_for_symbol_p): Declare.
14996 * Makefile.in (RTL_BASE_H): Add vec.h.
14997 (explow.o): Depend on output.h.
14998 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
14999 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
15000 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
15001 (rs6000_use_blocks_for_constant_p): New function.
15003 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15005 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
15007 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
15010 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
15013 2006-02-18 Diego Novillo <dnovillo@redhat.com>
15015 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
15019 2006-02-18 Jakub Jelinek <jakub@redhat.com>
15021 PR middle-end/26334
15022 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
15023 instead of DECL_REGISTER.
15025 2006-02-18 Olivier Hainque <hainque@adacore.com>
15028 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
15030 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
15033 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
15034 * opth-gen.awk: Handle Var and InverseMask together.
15035 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
15036 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
15037 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
15038 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
15040 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15041 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15042 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
15043 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15044 LINUX_DYNAMIC_LINKER): Define.
15045 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
15046 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
15048 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15049 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
15050 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15051 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15052 (TARGET_C99_FUNCTIONS): Don't define.
15053 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
15054 GLIBC_DYNAMIC_LINKER.
15055 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
15056 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
15057 GLIBC_DYNAMIC_LINKER64): Define.
15058 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15059 LINUX_DYNAMIC_LINKER64.
15060 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15061 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15062 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
15063 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15064 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15065 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15066 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
15067 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
15068 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
15069 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
15070 and LINUX_DYNAMIC_LINKER32.
15071 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15072 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15073 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
15074 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15075 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
15077 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
15078 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
15079 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15080 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15081 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15082 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
15083 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
15084 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
15085 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15086 LINUX_DYNAMIC_LINKER): Define.
15087 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
15088 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
15089 GLIBC_DYNAMIC_LINKER64): Define.
15090 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15091 LINUX_DYNAMIC_LINKER64.
15092 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15093 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15094 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
15095 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15096 LINUX_DYNAMIC_LINKER): Define.
15097 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15098 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15099 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
15100 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
15101 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
15102 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15103 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
15104 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
15105 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15106 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15107 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15108 * doc/invoke.texi (-muclibc): Remove caveat about supported
15111 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
15113 * doc/cpp.texi (__TIMESTAMP__): Document.
15115 2006-02-17 Roger Sayle <roger@eyesopen.com>
15117 PR middle-end/25600
15118 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
15119 C is one less than the width of X (and related transformations).
15120 * simplify-rtx.c (simplify_unary_operation_1): Transform
15121 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
15122 depending on STORE_FLAG_VALUE, were C is one less then the
15125 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
15127 Fix PR tree-optimization/26341
15128 * tree-ssa-operands.c (add_virtual_operand): Remove assert
15129 about NAME_MEMORY_TAG's.
15131 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15134 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
15135 with hardware float support, and software float support. Add fcpy
15136 alternative to hardware patterns. Add alternatives to copy between
15137 general and floating-point registers to the 32-bit pattern.
15138 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
15139 secondary reload to load a QI or HI mode constant into a floating
15141 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
15142 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
15144 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
15147 * config/rs6000/darwin.md (load_macho_picbase_si): Add
15149 (load_macho_picbase_di): Likewise.
15151 2006-02-16 Jeff Law <law@redhat.com>
15153 * tree-vrp.c (set_value_range_to_nonnegative): New function.
15154 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
15155 (ssa_name_nonzero_p): Likewise.
15156 (get_value_range): Return NULL if VRP is not running.
15157 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
15158 VRP routines do not discover a range.
15159 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
15160 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
15161 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
15162 (tree_expr_nonnegative_p): Similarly.
15163 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
15164 (restore_nonzero_vars_to_original_value): Remove.
15165 (unsafe_associative_fp_binop): Remove.
15166 (tree_ssa_dominator_optimize): Remove initialization and
15167 finalization of nonzero_vars and nonzero_vars_stack.
15168 (dom_opt_initialize_block): No longer push marker on
15169 nonzero_vars_stack.
15170 (dom_opt_finalize_block): No longer call
15171 restore_nonzero_vars_to_original_value.
15172 (record_equivalences_from_phis): No longer look for
15173 nonzero PHI arguments.
15174 (cprop_into_successor_phis): No longer propagate nonzero
15175 property into PHI arguments. Lose unused argument. Caller
15177 (record_equivalences_from_stmt): No longer record nonzero
15178 values for SSA_NAMEs.
15179 (lookup_avail_expr): No longer use nonzero_vars.
15181 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
15182 for sizetype when sizetype is unsigned.
15184 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
15186 PR rtl-optimization/25603
15187 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
15188 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
15189 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
15190 with new meaning of SETS.
15192 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
15197 * config/linux.opt: New file.
15198 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
15199 LINUX_DYNAMIC_LINKER): Define.
15200 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
15201 * config.gcc (*-*-linux*): Define extra_options.
15202 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
15203 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
15204 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
15205 GLIBC_DYNAMIC_LINKER.
15206 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
15207 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15208 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15209 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15210 * doc/invoke.texi (GNU/Linux Options): New section.
15212 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
15214 * config/sparc/sparc.md (setjmp): Rewrite.
15215 (setjmp_32): Delete.
15216 (setjmp_64): Likewise.
15218 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
15220 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
15223 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15225 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
15228 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15230 PR rtl-optimization/26296
15231 * Makefile.in (loop-invariant.c): Add except.h dependency.
15232 * loop-invariant.c: Include except.h.
15233 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
15235 2005-02-16 Paul Brook <paul@codesourcery.com>
15237 * reload1.c (emit_reload_insns): Invalidate dead input registers used
15240 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
15242 PR rtl-optimization/25636
15243 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
15244 when deciding whether an insn is an initializing insn.
15246 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
15248 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
15249 (tree_code_size): Ditto.
15250 * tree.h (struct tree_memory_tag): Remove parent_var.
15251 (struct tree_struct_field_tag): New.
15254 (union tree_node): Add sft member.
15255 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
15257 (create_sft): Add size and offset argument, set SFT_OFFSET and
15259 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
15260 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
15261 * tree-flow-inline.h (get_subvar_at): Update for
15262 SFT_OFFSET/SFT_SIZE.
15263 (var_can_have_subvars): Ditto.
15264 (overlap_subvar): Ditto.
15265 * print-tree.c (print_node): Print out interesting things for
15267 * tree-flow.h (struct subvar): Remove offset and size members.
15268 * tree-ssa-operands.c (get_expr_operands): Update for
15269 get_indirect_ref_operands changes.
15270 (get_indirect_ref_operands): Call add_virtual_operand instead of
15271 add_stmt_operand. Only recurse on base var if requested.
15272 (access_can_touch_variable): New function.
15273 (add_stmt_operand): Split virtual operand handling into ...
15274 (add_virtual_operand): Here. Add offset, size, and for_clobber
15275 arguments. Prune alias sets.
15276 (add_call_clobber_ops): Call add_virtual_operand.
15278 2006-02-15 Jakub Jelinek <jakub@redhat.com>
15280 PR middle-end/26300
15281 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
15283 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
15284 than TREE_CODE as index into omp_clause_num_ops array.
15286 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
15288 PR rtl-optimization/26184
15289 * modulo-sched.c (generate_reg_moves): Free bitmap vector
15291 * modulo-sched.c (sms_schedule): Free g_arr pointer.
15292 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
15293 must_precede, must_follow and tobe_scheduled.
15296 * opts.c (common_handle_option): Free new_option pointer.
15297 * df-core.c (df_analyze): Free postorder pointer.
15299 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
15301 * Makefile.in: Fix the examples about the use of stamps
15303 2006-02-15 Michael Matz <matz@suse.de>
15305 PR middle-end/22275
15307 * stor-layout.c (layout_decl): Zero-width bitfields aren't
15308 influenced by maximum_field_alignment or DECL_PACKED.
15309 (update_alignment_for_field): Ditto.
15310 (place_field): Ditto.
15311 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
15314 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
15316 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
15317 (debug_flow_info): Pass it.
15318 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
15319 * bb-reorder.c (reorder_basic_blocks): Likewise.
15320 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
15321 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
15322 * flow.c (life_analysis, recompute_reg_usage): Likewise.
15323 * gcse.c (gcse_main, bypass_jumps): Likewise.
15324 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
15325 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
15326 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
15327 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
15328 * rtl.h (dump_flow_info): Adjust prototype.
15329 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
15330 * var-tracking.c (variable_tracking_main): Likewise.
15331 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
15332 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
15335 2006-02-15 Marcin Dalecki <martin@dalecki.de>
15337 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
15340 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15342 PR tree-optimization/26209
15343 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
15344 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
15346 * tree-cfg.c (replace_uses_by): Do not alter cfg.
15348 2006-02-14 Roger Sayle <roger@eyesopen.com>
15350 PR middle-end/23670
15351 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
15352 (X,Y) and the corresponding symmetry related transformations.
15353 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
15354 (X,Y) and its symmetry related transformations.
15356 2006-02-14 Roger Sayle <roger@eyesopen.com>
15358 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
15361 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
15363 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
15365 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15368 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
15369 support COMDAT group.
15370 * configure: Regenerate.
15372 2006-02-14 Roger Sayle <roger@eyesopen.com>
15374 PR middle-end/26279
15375 PR middle-end/26280
15376 PR middle-end/26283
15377 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
15379 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
15381 Fix PR tree-optimization/26260
15383 * doc/invoke.texi (max-fields-for-field-sensitive): Document
15385 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
15386 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
15387 * tree-ssa-structalias.c (create_variable_info_for): Use
15388 MAX_FIELDS_FOR_FIELD_SENSITIVE.
15390 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15392 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
15394 * tree-ssa-loop-niter.c (number_of_iterations_ne,
15395 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
15396 of the ending condition.
15397 * tree-ssa-loop-manip.c: Include params.h.
15398 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
15399 tree_unroll_loop): New functions.
15400 * tree-pass.h (pass_loop_prefetch): Declare.
15401 * loop.c (rest_of_handle_loop_optimize): Test for
15402 -fprefetch-loop-arrays-rtl.
15403 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
15404 * timevar.def (TV_TREE_PREFETCH): New timevar.
15405 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
15406 pass_loop_prefetch): New.
15407 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
15408 (cleanup_tree_cfg_loop): Call scev_reset.
15409 * common.opt (fprefetch-loop-arrays-rtl): Add.
15410 * tree-ssa-loop-prefetch.c: New file.
15411 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
15412 (new_temp_expr_table): Initialize expr_vars.
15413 (free_temp_expr_table): Cleanup expr_vars.
15414 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
15415 expressions from being merged into one.
15416 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
15417 (struct tree_niter_desc): Add control, bound and cmp fields.
15418 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
15420 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
15421 (tree-cfgcleanup.o): Add SCEV_H dependency.
15422 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
15423 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
15425 2006-02-14 Richard Guenther <rguenther@suse.de>
15427 PR tree-optimization/26258
15428 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
15429 in PHI argument processing.
15431 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
15433 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
15434 new expression in the requested machine mode.
15436 2006-02-13 Roger Sayle <roger@eyesopen.com>
15438 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
15439 directly, instead let do_compare_rtx_and_jump handle this for us.
15440 * expr.c (expand_expr_real_1): Likewise.
15441 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
15442 before do_jump_by_parts_greater.
15443 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
15444 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
15446 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15448 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
15450 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15452 PR rtl-optimization/26235
15453 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
15454 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
15457 2006-02-13 Jeff Law <law@redhat.com>
15459 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
15462 2006-02-13 Jakub Jelinek <jakub@redhat.com>
15464 PR middle-end/26092
15465 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
15466 twice if decl is a builtin. When trying again, call get_callee_fndecl
15467 first to verify it is still a builtin.
15469 2006-02-13 Geoffrey Keating <geoffk@apple.com>
15471 * dwarf2out.c (base_type_die): Don't add AT_name here.
15472 (subrange_type_die): Don't add AT_name here.
15473 (modified_type_die): Rearrange code flow. Do add AT_name here.
15475 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15477 PR rtl-optimization/26247
15478 PR rtl-optimization/26248
15479 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
15481 2006-02-13 Richard Sandiford <richard@codesourcery.com>
15483 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
15484 * config/fixtfdi.c: Likewise.
15485 * config/fixunstfdi.c: Likewise.
15486 * config/floatditf.c: Likewise.
15488 2006-02-13 Roger Sayle <roger@eyesopen.com>
15490 PR middle-end/24427
15491 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
15492 into (X,C2) if C1 is a subset of the bits of C2. Transform
15493 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
15495 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
15497 2006-02-13 Josh Conner <jconner@apple.com>
15500 * varasm.c (function_section): Check for section name before
15501 calling select_section on targets that define
15502 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
15503 unlikely_text_section instead of hot_function_section if
15504 first_function_block_is_cold.
15506 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
15508 PR middle-end/25335
15509 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
15511 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15513 PR rtl-optimization/26222
15514 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
15515 after tree->rtl expansion.
15516 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
15517 before passing it to emit_move_insn.
15519 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
15521 * doc/invoke.texi (-Write-strings): Document that it is enabled by
15523 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
15524 Clarify documentation.
15525 * c-common.h (warn_write_strings): Remove.
15526 * c-common.c (warn_write_strings): Likewise.
15527 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
15530 2006-02-12 Roger Sayle <roger@eyesopen.com>
15532 PR middle-end/25724
15533 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
15534 (do_jump_parts_zero_rtx): New function renamed from
15535 do_jump_parts_equality_rtx. Made static. Add a mode argument.
15536 (do_jump_parts_equality_rtx): New function split out from
15537 do_jump_parts_equality. Old implementation renamed as above.
15538 Call do_jump_parts_zero_rtx if either operand is zero.
15539 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
15540 do all of the heavy lifting.
15541 (do_compare_rtx_and_jump): Handle multi-word comparisons by
15542 calling either do_jump_by_parts_greater_rtx or
15543 do_jump_by_parts_equality_rtx.
15544 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
15545 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
15546 moved to do_compare_rtx_and_jump, call it directly.
15547 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
15548 mode argument. Call do_compare_rtx_and_jump.
15549 (emit_case_nodes): Update calls to do_jump_if_equal.
15551 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15553 PR rtl-optimization/26225
15554 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
15556 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15558 PR rtl-optimization/26232
15559 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
15561 2006-02-11 Jason Merrill <jason@redhat.com>
15564 * tree-inline.c (declare_return_variable): Just don't use the
15565 modify target if it's a gimple complex reg and the return slot
15568 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15570 * doc/contrib.texi: Update my entry.
15572 2006-02-10 Geoffrey Keating <geoffk@apple.com>
15574 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
15576 2006-02-10 Diego Novillo <dnovillo@redhat.com>
15578 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
15581 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
15583 * doc/invoke.texi (-floop-optimize2): Removed.
15584 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
15585 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
15586 Test flag_branch_on_count_reg only if HAVE_doloop_end.
15587 * common.opt (floop-optimize2): Removed.
15588 (fmove-loop-invariants): Enabled by default.
15590 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
15592 * tree-if-conv.c (combine_blocks): Free the result of
15593 get_loop_exit_edges.
15595 2006-02-10 Jeff Law <law@redhat.com>
15597 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
15599 PR tree-optimization/26213
15600 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
15601 loop trying to follow SSA_NAME_VALUE chains.
15603 2006-02-10 Richard Guenther <rguenther@suse.de>
15605 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
15606 deal with structures that end in implicitly variable sized arrays.
15608 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15610 PR rtl-optimization/24762
15611 * df-scan.c (df_bb_refs_record): Record correct registers defined on
15614 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15616 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
15617 (struct ivopts_data): Add regs_used field.
15618 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
15619 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
15620 instead of loop_data->regs_used;
15621 (free_loop_data): Do not free aux fields for loops.
15622 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
15623 and tree_ssa_iv_optimize_finalize.
15625 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
15627 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
15629 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15632 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
15633 computing the effective result type.
15635 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15637 PR inline-asm/16194
15638 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
15639 (tree_overlaps_hard_reg_set): Declare.
15640 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
15641 type and signature to match function type expected by walk_tree.
15642 (tree_overlaps_hard_reg_set): New function.
15643 (decl_conflicts_with_clobbers_p): Rename to:
15644 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
15645 Use tree_overlaps_hard_reg_set. Changed caller.
15646 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
15647 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
15648 * cris.c (cris_md_asm_clobbers): Likewise.
15650 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
15652 * reload1.c (emit_input_reload_insns): Delete code that tries to
15653 inherit using find_equiv_reg.
15655 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
15657 * c-common.h (flag_const_strings): Don't declare.
15658 * c-common.c (flag_const_strings): Remove.
15659 * c.opt (fconst_strings): Remove.
15660 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
15661 <OPT_Wwrite_strings>: Don't set flag_const_strings.
15662 (c_common_init_options): Don't set flag_const_strings.
15663 * doc/invoke.texi (-fno-const-strings): Remove documentation.
15665 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
15667 * arm.md (tlobits_cbranch): New pattern.
15668 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
15669 testing a single bit.
15671 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15674 * tree-ssa-pre.c (create_component_ref_by_pieces):
15675 Handle RETURN_DECL like VAR_DECL.
15677 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15679 PR middle-end/26134
15680 * fold-const.c (fold_indirect_ref_1): Fold
15681 "*(foo *)&complexfoo" to "__real__ complexfoo"
15682 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
15684 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15686 * tree-flow-inline.h (var_can_have_subvars):
15687 Volatile variables should not have subvariables.
15689 2006-02-09 Diego Novillo <dnovillo@redhat.com>
15692 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
15693 multiplying unsigned values.
15696 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
15698 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
15700 2006-02-08 Jason Merrill <jason@redhat.com>
15703 * tree.def: Elaborate on difference from MODIFY_EXPR.
15704 * doc/c-tree.texi (INIT_EXPR): Likewise.
15705 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
15706 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
15707 (gimplify_target_expr): Likewise.
15708 (gimplify_cond_expr): Remove target handling.
15709 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
15710 (gimplify_expr): Clobber it here.
15711 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
15712 Do return slot optimization if we have an INIT_EXPR.
15715 * tree-inline.c (declare_return_variable): Also clear
15716 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
15719 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
15721 PR middle-end/22439
15722 * gimplify.c (gimplify_one_sizepos): Fix typo.
15724 2006-02-08 Jeff Law <law@redhat.com>
15726 PR tree-optimization/21417
15727 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
15728 across a backedge if the control statement at the end of the
15729 block is data dependent on other statements in the same block.
15730 (record_temporary_equivalences_from_stmts): Remove over-conservative
15731 test for threading across backedges.
15733 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
15734 control statement, handle all three special cases in the same
15735 manner as they all have the same desired solution. No longer
15736 special case edge flag updating when the post dominator is
15739 2006-02-08 Roger Sayle <roger@eyesopen.com>
15741 * tree.def (CHAR_TYPE): Remove.
15742 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
15743 * dwarf2out.c (base_type_die, is_base_type): Likewise.
15744 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
15745 (gen_string_type_die): Delete unreachable function.
15747 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
15748 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
15749 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
15750 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
15751 * builtins.c (type_to_class): Likewise.
15752 * fold-const.c (fold_convert, build_range_check,
15753 merge_ranges): Likewise.
15754 * expr.c (count_type_elements): Likewise.
15755 * c-pretty-print.c (pp_c_type_specifier): Likewise.
15756 * stor-layout.c (layout_type): Likewise.
15757 * ipa-type-escape.c (type_to_consider): Likewise.
15758 * gimplify.c (omp_firstprivatize_type_sizes,
15759 gimplify_type_sizes): Likewise.
15760 * explow.c (promote_mode): Likewise.
15761 * tree-sra.c (is_sra_scalar_type): Likewise.
15762 * varasm.c (output_constant): Likewise.
15763 * tree-inline.c (remap_type_1): Likewise.
15764 * convert.c (convert_to_pointer, convert_to_real,
15765 convert_to_integer, convert_to_complex): Likewise.
15767 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
15769 * df-scan.c (df_def_record_1): A set destination may
15770 be a parallel regardless of mode.
15772 2006-02-08 Roger Sayle <roger@eyesopen.com>
15775 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
15776 * config/mips/_tilib.c: Remove.
15777 * config/fixtfdi.c: New libgcc source file.
15778 * config/fixunstfdi.c: New source file.
15779 * config/floatditf.c: New source file.
15780 * config/floatunditf.c: New souce file.
15781 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
15782 files above instead of config/mips/_tilib.c.
15783 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
15785 2006-02-08 Jeff Law <law@redhat.com>
15787 PR tree-optimization/26169
15788 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
15791 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
15793 * df.h (DF_REG_SIZE): Return the length of the initialized
15796 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
15798 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
15799 __muldf3): Return a correctly signed zero.
15801 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
15803 * passes.c (register_one_dump_file): Accept the current properties
15804 instead of pass number. Adjust call to dump_register. Remove
15806 (register_dump_files): Now a wrapper around...
15807 (register_dump_files_1): ... this one. Do not modify the pass
15809 (next_pass_1): Cosmetic fix.
15810 (execute_todo): Keep second parameter only. Use curr_properties
15811 instead of fetching it from the pass structure. Check and set
15813 (execute_one_pass): Handle TODO_set_props. Use curr_properties
15814 instead of fetching it from the pass structure. Fix calls to
15815 execute_todo. Update curr_properties and initialize .vcg RTL dump
15816 after running the pass. Reset last_verified.
15817 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
15819 (FIRST_AUTO_NUMBERED_DUMP): New.
15820 (dump_register): Remove "num" parameter, assign it within the
15822 (get_dump_file_name): Modify template for dumps.
15823 * tree-dump.h (dump_register): Adjust prototype.
15824 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
15825 (PROP_trees): Add PROP_gimple_lomp.
15826 (TODO_set_props): New.
15827 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
15828 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
15829 * cfgexpand.c (pass_expand): Destroy PROP_trees.
15831 2006-02-08 Jakub Jelinek <jakub@redhat.com>
15833 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
15834 (sparc64-*-linux*): Likewise.
15835 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
15836 * config/sparc/t-linux: New file.
15837 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
15838 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
15839 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
15840 -m32 -mlong-double-128.
15842 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
15843 * config/alpha/t-linux: New file.
15844 * config/alpha/libgcc-alpha-ldbl.ver: New file.
15846 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
15847 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
15848 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
15849 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
15850 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
15851 (CPP_ARCH32_SPEC): Remove.
15853 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
15855 PR tree-optimization/26145
15856 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
15859 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15862 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
15863 >= 240000 when generating code for SOM runtime.
15864 (output_indirect_call): Don't use "b,l" instruction for indirect calls
15865 to $$dyncall when generating code for SOM runtime..
15867 2006-02-07 Dirk Mueller <dmueller@suse.com>
15870 * doc/invoke.texi (-Wsequence-point): Update documentation
15871 that -Wsequence-point is implemented for C++ as well.
15873 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15875 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
15876 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
15877 (LIB_SPEC): Likewise.
15878 * doc/invoke.texi (SPARC options): Document -pthread.
15880 2006-02-07 Geoffrey Keating <geoffk@apple.com>
15882 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
15885 2006-02-07 Roger Sayle <roger@eyesopen.com>
15887 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
15888 Correct comment describing BOOLEAN_TYPE.
15890 2006-02-07 Dirk Mueller <dmueller@suse.com>
15892 * c.opt: C++ frontend supports -Wdiv-by-zero.
15893 * c-opts.c (c_common_handle_option): Remove dead case.
15895 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15897 * configure.ac (TLS assembler check): Do not enable TLS by
15898 default on SPARC/Solaris before version 10.
15899 * configure: Regenerate.
15901 2006-02-07 David Edelsohn <edelsohn@gnu.org>
15903 * doc/invoke.texi (xl-compat): Document conversion and support
15906 2006-02-07 Jeff Law <law@redhat.com>
15908 * tree-vrp.c (find_conditional_asserts): Update comments.
15909 (simplify_stmt_for_jump_threading): New.
15910 (identify_jump_threads, finalize_jump_threads): New.
15911 (vrp_finalize): Call identify_jump_threads.
15912 (execute_vrp): Call finalize_jump_threads.
15913 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
15914 (vrp_element, vrp_data, vrp_element_p): Remove.
15915 (vrp_hash_elt, vrp_variables_stack): Remove.
15916 (vrp_hash, vrp_eq, record_range): Remove.
15917 (simplify_cond_and_lookup_avail_expr): Remove.
15918 (extract_range_from_cond): Remove.
15919 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
15920 (simplify_stmt_for_jump_threading): New.
15921 (dom_thread_across_edge): New wrapper.
15922 (tree_ssa_dominator_optimize): No longer initialize or
15923 finalize any of the VRP datastructures. Remove iteration
15924 step and simplify as a result of removal of iteration step.
15925 (pass_dominator): Perform a cfg cleanup after DOM.
15926 (dom_opt_finalize_block): Use the new common routines
15927 for threading jumps. Simplify stack management slightly.
15928 No longer need to unwind VRP state.
15929 (record_equivalences_from_incoming_edge): No longer record
15931 (eliminate_redundant_computations): No longer call
15932 simplify_cond_and_lookup_avail_expr.
15933 * tree-flow.h (potentially_threadable_block): Prototype.
15934 (thread_across_edge): Likewise.
15935 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
15936 (tree-ssa-threadedge.o): Add dependencies.
15937 * tree-ssa-threadedge.c: New file.
15938 * passes.c (init_optimization_passes): Merge PHIs before
15939 calling VRP. Run VRP again late in the SSA optimization pipeline.
15941 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15943 * df-core.c (df_set_blocks): Do not dereference function pointers.
15944 (df_finish1): Likewise.
15945 (df_hybrid_search_forward): Likewise.
15946 (df_hybrid_search_backward): Likewise.
15947 (df_iterative_dataflow): Likewise.
15948 (df_analyze_problem): Likewise.
15949 (df_compact_blocks): Likewise.
15950 (df_dump): Likewise.
15951 * df-scan.c (df_rescan_blocks): Likewise.
15952 (df_record_entry_block_defs): Likewise.
15954 * genconditions.c (write_conditions): Guard the definition of
15955 'insn_conditions' with the check on GCC version.
15956 (write_writer): Guard the traversal 'insn_conditions' with
15957 the check on GCC version.
15959 2006-02-07 Richard Guenther <rguenther@suse.de>
15963 2006-01-30 Richard Guenther <rguenther@suse.de>
15965 * gimplify.c (gimplify_target_expr): Handle easy cases
15966 without creating a temporary.
15968 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
15970 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
15971 use of float in probability computations. Use edge probabilities
15972 in place of statically computed probabilities.
15973 (min_spec_prob): New static variable.
15974 (schedule_insns): Initialize it.
15975 (GET_SRC_PROB): Removed.
15976 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
15978 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
15981 * config/ia64/unwind-ia64.c: Revert last change.
15982 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
15983 (INCOMING_FRAME_SP_OFFSET): Define.
15985 2006-02-06 Roger Sayle <roger@eyesopen.com>
15987 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
15989 2006-02-07 Ben Elliston <bje@au.ibm.com>
15991 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
15992 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
15993 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
15994 (ix86_return_in_memory): Handle TDmode.
15995 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
15996 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
15998 2006-02-06 Richard Sandiford <richard@codesourcery.com>
16000 * reorg.c (dbr_schedule): Use dump_file instead of file.
16002 2006-02-06 Steve Ellcey <sje@cup.hp.com>
16005 * config/ia64/predicates.md (extr_len_operand): New predicate.
16006 * config/ia64/ia64.md (extv): Tighten constraints.
16008 (*tbit_and_2): Ditto.
16009 (*tbit_and_3): Ditto.
16010 (*tbit_or_2): Ditto.
16011 (*tbit_or_3): Ditto.
16012 (*bit_zero): Ditto.
16015 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
16018 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
16020 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
16022 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
16023 loop_optimizer_init and loop_optimizer_finalize
16024 * tree-ssa-sink.c (execute_sink_code): Ditto.
16025 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
16026 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
16027 tree_ssa_loop_done): Ditto.
16028 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
16029 * sched-ebb.c: Include output.h.
16030 (schedule_ebbs): Do not use dump argument.
16031 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
16032 * loop.c (loop_dump_stream): Removed.
16033 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
16035 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
16036 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
16037 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
16038 loop_iterations, strength_reduce, record_biv, record_giv,
16039 final_giv_value, check_final_value, check_ext_dependent_givs,
16040 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
16041 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
16042 dump_file instead of loop_dump_stream.
16043 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
16044 argument dump_file.
16045 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
16047 * flow.c (life_analysis, rest_of_handle_life): Ditto.
16048 * haifa-sched.c: Include output.h
16049 (schedule_insns, sched_init): Do not use dump argument.
16050 * mode-switching.c (optimize_mode_switching): Ditto.
16051 * modulo-sched.c (stats_file): Removed.
16052 (print_node_sched_params): Do not call argument dump_file.
16053 (sms_schedule_by_order, loop_canon_p, sms_schedule,
16054 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
16056 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
16058 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
16059 rtl_loop_init, rtl_loop_done): Ditto.
16060 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
16061 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
16063 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
16064 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
16065 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
16066 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
16067 * emit-rtl.c (renumber_insns): Ditto.
16068 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
16069 expand_gimple_basic_block, tree_expand_cfg): Ditto.
16070 * regclass.c (regclass): Ditto.
16071 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
16072 remove_ssa_form, rewrite_out_of_ssa): Ditto.
16073 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
16074 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
16076 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
16077 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
16079 * gcse.c (gcse_file, debug_stderr): Removed.
16080 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
16081 rest_of_handle_gcse): Do not use dump argument.
16082 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
16083 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
16084 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
16085 compute_code_hoist_vbeinout, compute_code_hoist_data,
16086 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
16087 compute_store_table, build_store_vectors, insert_insn_start_bb,
16088 insert_store, remove_reachable_equiv_notes, replace_store_insn,
16089 store_motion): Use dump_file instead of gcse_file.
16090 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
16091 * profile.c (profile_dump_file): Removed.
16092 (branch_prob): Use dump_file instead of profile_dump_file.
16093 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
16095 * tree-ssa-copy.c (dump_copy_of): Ditto.
16096 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
16097 dump file to life_analysis.
16098 * bt-load.c (branch_target_load_optimize): Ditto.
16099 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
16101 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
16102 regclass, dbr_schedule): Declaration changed.
16103 * sched-int.h (sched_init): Declaration changed.
16104 * tree-profile.c (tree_profile_dump_file): Removed.
16105 (tree_profile_hooks): Removed profile_dump_file hook.
16106 * rtl-profile (rtl_profile_dump_file): Removed.
16107 (rtl_profile_hooks): emoved profile_dump_file hook.
16108 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
16110 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
16111 * tree-cfg.c (build_tree_cfg): Ditto.
16112 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
16113 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
16114 Declaration changed.
16115 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
16116 life_analysis and schedule_insns.
16117 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
16119 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
16121 * config/mips/mips.c (mips_reorg): Ditto.
16122 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
16125 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
16127 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16128 (s390_mangle_fundamental_type): New.
16129 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16132 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16133 (alpha_mangle_fundamental_type): New.
16134 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16137 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16139 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16141 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16142 (sparc_mangle_fundamental_type): New.
16144 2006-02-06 Jakub Jelinek <jakub@redhat.com>
16146 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
16147 (s390x-*-linux*): Likewise.
16148 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
16149 * config/s390/t-linux: New file.
16151 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16153 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
16154 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
16156 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
16158 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
16159 (ANTIC_SAFE_LOADS): New macro.
16160 (find_or_generate_expression): Add prototype.
16161 (set_contains_value): Allow null set for sake of not always having
16162 to allocate ANTIC_SAFE_LOADS.
16163 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
16164 Allow COMPONENT_REF too.
16165 (valid_in_set): Allow COMPONENT_REF.
16166 Check ANTIC_SAFE_LOADS too.
16167 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
16168 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
16170 (can_PRE_operation): Add COMPONENT_REF.
16171 (create_component_ref_by_pieces): New function.
16172 (create_expression_by_pieces): Use create_component_ref_by_pieces.
16173 (insert_aux): Move AGGREGATE_TYPE_P check here.
16174 (compute_avail): Set bb local stmt uids.
16175 (pass_pre): Use TODO_update_ssa_only_virtuals.
16177 2006-02-06 Ben Elliston <bje@au.ibm.com>
16179 * configure.ac: Unconditionally disable decimal float by default.
16180 * configure: Regenerate.
16182 2006-02-06 Ben Elliston <bje@au.ibm.com>
16184 * read-rtl.c (read_name): Terminate reading on EOF.
16186 2006-02-06 Ben Elliston <bje@au.ibm.com>
16188 * dfp.c (decimal_real_arithmetic): Change second argument type
16189 from int to enum tree_code. Do not always return true, but now
16190 return result of any call to decimal_do helper functions.
16191 * dfp.h (decimal_real_arithmetic): Update prototype.
16193 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
16195 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
16197 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
16200 * tree-cfg.c (cleanup_dead_labels): Also don't remove
16203 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16205 * tree-vrp.c (cfg_loops): Removed.
16206 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
16207 Use current_loops instead of cfg_loops. Pass flags to
16208 loop_optimizer_init.
16209 * cfgloopmanip.c (fix_loop_structure): Update only available
16211 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
16212 loop_optimizer_init.
16213 * modulo-sched.c (build_loops_structure): Removed.
16214 (sms_schedule): Use loop_optimizer_init.
16215 * loop-init.c (loop_optimizer_init): Use flags to determine
16216 which properties of loops to prepare.
16217 (rtl_loop_init): Pass flags to loop_optimizer_init.
16218 * tree-ssa-sink.c (execute_sink_code): Ditto.
16219 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
16220 * tree-ssa-pre.c (init_pre): Ditto.
16221 * cfgloop.h (LOOPS_NORMAL): New.
16222 (loop_optimizer_init): Declaration changed.
16224 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16226 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
16227 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
16229 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
16231 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
16233 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
16234 * pa/t-pa64: Delete quadlib.c rule.
16235 * pa/x-ada: Revert last change.
16236 * pa/t-pa: Revert last change. Delete quadlib.c rule.
16238 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16240 PR rtl-optimization/26087
16241 * rtlanal.c (canonicalize_condition): Do not cross basic block
16244 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
16247 * config/ia64/ia64.c: Include debug.h.
16248 (MAX_ARTIFICIAL_LABEL_BYTES): New.
16249 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
16250 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
16251 (process_epilogue, process_set, process_for_unwind_directive):
16252 Output unwind info only if requested. Add CFA info if requested.
16253 Add new arguments as needed. Adjust callers.
16254 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
16256 (DWARF2_FRAME_INFO): Define to zero.
16257 * config/ia64/unwind-ia64.c: Remove code that compensated for
16258 the CFA offset error fixed above.
16259 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
16260 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
16261 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
16262 -funwind-tables and -fexceptions to enable frame info.
16263 (dwarf2out_frame_init): Define initial CFA even if
16264 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
16265 DWARF2_UNWIND_INFO is nonzero, not just defined.
16266 (dwarf2out_frame_finish): Output non-EH call frame info only
16267 if DWARF2_FRAME_INFO is nonzero.
16268 (convert_cfa_to_loc_list,
16269 compute_frame_pointer_to_cfa_displacement): Define even if
16270 unwind info is not supported.
16271 (gen_subprogram_die): Use the above unconditionally. Remove
16272 legacy alternate code.
16273 * toplev.c (compile_file): Compile in call to
16274 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
16275 (lang_dependent_init): Ditto for dwarf2out_frame_init.
16277 2006-02-04 David Edelsohn <edelsohn@gnu.org>
16278 Jakub Jelinek <jakub@redhat.com>
16280 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
16281 IBM extended float format long double as "g" on powerpc*-linux.
16283 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16286 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
16287 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
16289 2006-02-03 Jason Merrill <jason@redhat.com>
16292 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
16294 PR middle-end/25977
16295 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
16296 on the return slot if it's an NRV.
16298 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
16300 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
16301 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
16302 rewrite_use): Do not handle USE_OUTER.
16303 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
16304 add_iv_outer_candidates, may_replace_final_value,
16305 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
16306 (find_interesting_uses_op): Functionality of
16307 find_interesting_uses_outer_or_nonlin moved here.
16308 (find_interesting_uses_outside): Use find_interesting_uses_op.
16310 2006-02-03 Alan Modra <amodra@bigpond.net.au>
16313 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
16315 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
16316 Ulrich Weigand <uweigand@de.ibm.com>
16319 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
16320 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
16321 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
16322 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
16324 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
16325 (s390_rtx_costs): Use the new fields to calculate rtx costs.
16326 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
16327 Define secondary reloads for TFmode moves.
16328 (constant_modes): Add TFmode.
16329 (NR_C_MODES): Set to 8.
16330 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
16332 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
16333 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
16334 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
16335 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
16336 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
16337 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
16338 (FPR mode macro): Add TFmode.
16339 (DSF mode macro): New.
16340 (<de>, <dee> mode attributes): Removed.
16341 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
16342 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
16343 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
16344 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
16345 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
16346 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
16347 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
16348 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
16349 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
16350 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
16351 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
16352 "*negabs<mode>2", "sqrt<mode>2"):
16353 Changed <de> to <xde>. R constraint replaced by <Rf>.
16354 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
16356 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
16357 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
16358 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
16360 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
16361 "extenddftf2", "extendsftf2"): New expanders.
16362 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
16363 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
16364 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
16365 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
16367 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
16368 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
16369 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
16370 __floatditf): Add a GCC_4.1.0 symbol version tag.
16371 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
16374 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
16377 * config/i386/i386.c (ix86_function_ok_for_sibcall):
16378 Use targetm.binds_local_p instead of TREE_PUBLIC.
16380 2006-02-02 Roger Sayle <roger@eyesopen.com>
16382 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
16383 on INTEGER_TYPEs to indicate that it denotes a character type.
16384 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
16385 signed_char_type_node, unsigned_char_type_node and char_type_node.
16386 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
16387 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
16388 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
16390 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
16391 Daniel Berlin <dberlin@dberlin.org>
16393 * tree-tailcall.c (arg_needs_copy_p): New function.
16394 (eliminate_tail_call): Use arg_needs_copy_p.
16395 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
16396 (add_virtual_phis): New function.
16398 2006-02-02 Jakub Jelinek <jakub@redhat.com>
16400 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
16401 #ignore instead of #scratch for %g7 .register directive.
16403 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
16405 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
16408 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16410 * flow.c (calculate_global_regs_live): Assert that there aren't any
16413 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
16415 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
16416 what its name says.
16417 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
16418 bsi_after_labels iterator.
16419 * tree-if-conv.c (find_phi_replacement_condition,
16420 replace_phi_with_cond_modify_expr): Likewise.
16421 * tree-scalar-evolution.c (scev_const_prop): Likewise.
16422 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
16424 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16426 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
16428 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16431 * tree-cfg.c (move_block_to_fn): Clear out the basic block
16432 array after growing it.
16434 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16436 PR middle-end/24901
16437 * fold-const.c (fold_checksum_tree): Change type of buf.
16439 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
16441 * reload.c (push_secondary_reload): Initialize t_icode.
16443 2006-02-01 Jakub Jelinek <jakub@redhat.com>
16445 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
16446 -msoft-float -mlong-double-128 only issue a warning, but don't
16447 swich to DFmode long double.
16449 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
16451 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
16452 has a constant equivalent, iterate over equivalents for arg0,
16453 calling simplify_relational_operation and if there's a result
16454 cheaper than X, apply fold_rtx and return the result.
16456 2006-02-01 Jan Hubicka <jh@suse.cz>
16458 * opts.c (no_unit_at_a_time_default): New global variable.
16459 (decode_options): Use it.
16460 * opts.h (no_unit_at_a_time_default): Declare.
16462 2006-02-01 Paul Brook <paul@codesourcery.com>
16464 * function.c (assign_parm_setup_reg): Use function argument promotion
16466 * expr.c (expand_expr_real_1): Use function argument promotion rules
16469 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16471 * gcc.c (process_command): Change j to 'unsigned int'.
16473 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16475 PR middle-end/26001
16476 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
16477 Use the corrected index for the character
16478 out of the string constant.
16480 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16482 * mode-switching.c (optimize_mode_switching): Fix size
16483 allocated for bb_info[n_entities].
16485 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16487 * gcc.c (main): Correct type that is allocated for
16488 explicit_link_files.
16490 2006-01-31 Jakub Jelinek <jakub@redhat.com>
16492 * config/s390/s390.c (init_alignment_context): Set
16493 ALIAS_SET_MEMORY_BARRIER on the MEM.
16494 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
16496 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
16498 PR middle-end/25933
16499 * loop-unroll.c (unroll_loop_runtime_iterations): Free
16501 * tree-ssa-live.c (type_var_init): Allocate bitmap after
16504 2006-01-31 Marcin Dalecki <martin@dalecki.de>
16506 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
16507 * regrename.c: Ditto.
16508 * tree-ssa-loop-im.c: Ditto.
16509 * tree-dump.c: Ditto.
16510 * tree-complex.c: Ditto.
16511 * genrecog.c: Ditto.
16512 * tree-ssa-threadupdate.c: Ditto.
16514 * java/class.c: Ditto.
16515 * java/jcf-parse.c: Ditto.
16516 * java/resource.c: Ditto.
16517 * java/except.c: Ditto.
16518 * java/jvspec.c: Ditto.
16519 * java/jcf-write.c: Ditto.
16520 * java/jcf-path.c: Ditto.
16521 * java/gjavah.c: Ditto.
16522 * java/zextract.c: Ditto.
16523 * java/jcf-io.c: Ditto.
16524 * java/jcf.h: Ditto.
16525 * java/buffer.c: Ditto.
16526 * java/lang.c: Ditto.
16527 * java/parse-scan.y: Ditto.
16528 * java/lex.c: Ditto.
16529 * java/lex.h: Ditto.
16530 * cfgloopmanip.c: Ditto.
16531 * postreload-gcse.c: Ditto.
16532 * tree-ssa-loop-manip.c: Ditto.
16533 * postreload.c: Ditto.
16534 * tree-ssa-loop-ch.c: Ditto.
16537 * cppspec.c: Ditto.
16538 * diagnostic.c: Ditto.
16540 * genoutput.c: Ditto.
16542 * cfghooks.c: Ditto.
16543 * cfgloopanal.c: Ditto.
16544 * objc/objc-act.c: Ditto.
16546 * genextract.c: Ditto.
16547 * genautomata.c: Ditto.
16548 * pretty-print.c: Ditto.
16549 * genemit.c: Ditto.
16550 * cgraphunit.c: Ditto.
16552 * df-scan.c: Ditto.
16553 * haifa-sched.c: Ditto.
16554 * dominance.c: Ditto.
16556 * tree-ssa-loop-ivopts.c: Ditto.
16557 * df-core.c: Ditto.
16558 * mode-switching.c: Ditto.
16559 * modulo-sched.c: Ditto.
16561 * ipa-pure-const.c: Ditto.
16563 * fix-header.c: Ditto.
16565 * tree-stdarg.c: Ditto.
16566 * ipa-utils.c: Ditto.
16567 * loop-init.c: Ditto.
16568 * ipa-inline.c: Ditto.
16569 * cfganal.c: Ditto.
16571 * alloc-pool.c: Ditto.
16572 * dwarf2out.c: Ditto.
16574 * genattrtab.c: Ditto.
16575 * tree-ssa-loop-ivcanon.c: Ditto.
16576 * predict.c: Ditto.
16577 * timevar.c: Ditto.
16579 * fortran/gfortranspec.c: Ditto.
16580 * regmove.c: Ditto.
16581 * local-alloc.c: Ditto.
16582 * langhooks.c: Ditto.
16583 * function.c: Ditto.
16584 * tree-vectorizer.c: Ditto.
16586 * ipa-type-escape.c: Ditto.
16588 * tree-if-conv.c: Ditto.
16589 * profile.c: Ditto.
16591 * tree-data-ref.c: Ditto.
16592 * loop-unroll.c: Ditto.
16593 * treelang/treetree.c: Ditto.
16595 * bt-load.c: Ditto.
16596 * ggc-common.c: Ditto.
16598 * coverage.c: Ditto.
16600 * tree-cfgcleanup.c: Ditto.
16601 * tree-ssa-pre.c: Ditto.
16602 * cfgcleanup.c: Ditto.
16603 * loop-invariant.c: Ditto.
16604 * loop-iv.c: Ditto.
16605 * ipa-prop.c: Ditto.
16606 * print-tree.c: Ditto.
16607 * conflict.c: Ditto.
16608 * ggc-page.c: Ditto.
16609 * sched-deps.c: Ditto.
16610 * regclass.c: Ditto.
16611 * tree-object-size.c: Ditto.
16612 * combine.c: Ditto.
16613 * bb-reorder.c: Ditto.
16614 * resource.c: Ditto.
16615 * var-tracking.c: Ditto.
16616 * cfgloop.c: Ditto.
16617 * df-problems.c: Ditto.
16618 * reg-stack.c: Ditto.
16620 * gccspec.c: Ditto.
16621 * sched-rgn.c: Ditto.
16622 * tree-ssa-structalias.c: Ditto.
16623 * tree-ssa-reassoc.c: Ditto.
16624 * config/darwin-c.c: Ditto.
16625 * config/darwin.c: Ditto.
16626 * config/arm/arm.c: Ditto.
16628 * collect2.c: Ditto.
16629 * reload1.c: Ditto.
16631 2006-01-31 Nicolas Pitre <nico@cam.org>
16633 * arm.md (smaxsi3): Make aware of smax_m1.
16636 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
16638 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
16640 2006-01-31 Richard Guenther <rguenther@suse.de>
16642 * doc/invoke.texi (-msselibm): Document.
16643 * target.h (expand_library_builtin): New target hook.
16644 * builtins.c (expand_builtin): Use expand_library_builtin.
16645 (default_expand_library_builtin): New function.
16646 * gcc.c (LINK_GCC_MATH_SPEC): Define.
16647 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
16648 (link_gcc_math_spec): Declare.
16649 (static_specs): Add link_gcc_math_spec.
16650 * expr.h (default_expand_library_builtin): Declare.
16651 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16652 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
16653 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
16654 * config/i386/i386.opt (msselibm): New target option.
16655 * config/i386/i386.c (ix86_builtin_function_variants): New array.
16656 (ix86_init_sse_abi_builtins): New function.
16657 (ix86_expand_library_builtin): Likewise.
16658 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16659 (override_options): Handle error conditions wrt -msselibm.
16660 (ix86_builtins): Add function codes for SSE2 ABI builtins.
16661 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
16662 * doc/extend.texi (__builtin_sse2_*): Document new target specific
16665 2006-01-31 Richard Guenther <rguenther@suse.de>
16666 Paolo Bonzini <bonzini@gnu.org>
16668 * doc/install.texi (--disable-libgcc-math): Document.
16670 2006-01-30 Marcin Dalecki <martin@dalecki.de>
16672 * expr.h (expand_normal): new inline function.
16673 * builtins.c: use it, use EXPAND_NORMAL explicitely.
16674 * dojump.c: use it.
16675 * dwarf2out.c: use it.
16678 * expmed.c: use it.
16679 * except.c: use it.
16680 * config/sparc/sparc.c: use it.
16681 * config/i386/i386.c: use it.
16682 * config/rs6000/rs6000.c: use it.
16683 * config/arm/arm.c: use it.
16684 * config/mips/mips.c: use it.
16685 * stmt.c: use it, use EXPAND_NORMAL explicitely.
16687 2006-01-30 Roger Sayle <roger@eyesopen.com>
16689 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
16690 argv to the appropriate type.
16692 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
16694 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
16697 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
16700 * config/s390/s390.c (struct machine_function): New flag
16701 decomposed_literal_pool_addresses_ok_p.
16702 (s390_reorg): Set it before final stage of literal pool transforms.
16703 (s390_decompose_address): Only accept displacements of the form
16704 (minus (label_ref ...) (label_ref ...)) if that flag is set.
16706 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
16708 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
16709 the comparison routine return.
16711 2006-01-30 Michael Matz <matz@suse.de>
16713 * global.c (find_reg): Only evict for global regs.
16714 Take n_refs into account and dump more info.
16716 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
16719 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
16720 (pragma_trap, pragma_nosave_low_regs): Likewise.
16721 (current_function_anonymous_args): Likewise.
16722 (sh_deferred_function_attributes): New variable.
16723 (sh_deferred_function_attributes_tail): Likewise.
16724 (print_operand): For '@', look up trap_exit attribute.
16725 (calc_live_regs): Look up trapa_handler attribute. For trapa
16726 handlers, save/restore fpscr, but don't do any other
16727 interrupt-specific saves.
16728 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
16729 Fix check for partially saved registers to check for SHmedia.
16730 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
16731 (sh_output_function_epilogue): Don't clear any of the removed
16733 (sh_insert_attributes): Don't check pragma_interrupt.
16734 Insert deferred attributes. Check that interrupt attribute is
16735 present for other attributes that require its presence.
16736 (sh_attribute_table): Add new attributes trapa_handler and
16738 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
16739 Don't check for pragma_interrupt. Don't store argument.
16740 * sh.h (pragma_interrupt, sp_switch): Don't declare.
16741 (sh_deferred_function_attributes): Declare.
16742 (sh_deferred_function_attributes_tail): Likewise.
16743 * sh.md (sp_switch_1): Add operand. Change generator caller.
16744 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
16745 (*return_i): Don't use when trap_exit attribute is in effect.
16746 (*return_trapa): New insn pattern.
16747 * sh-c.c: New file.
16748 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
16749 setting c_target_objs and cxx_target_objs.
16750 * t-sh: Add rule for sh-c.o.
16752 2006-01-30 Richard Guenther <rguenther@suse.de>
16755 * gimplify.c (gimplify_target_expr): Handle easy cases
16756 without creating a temporary.
16758 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
16760 * vec.h (safe_grow): Remove duplicated line.
16762 2006-01-29 Diego Novillo <dnovillo@redhat.com>
16765 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
16766 (expand_omp): ... here.
16767 (expand_omp_parallel): Only remove barriers for combined
16768 parallel+workshare constructs.
16770 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
16774 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
16775 * tree.c (build_qualified_type): Chain the new type to the original
16776 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
16777 a POINTER_TYPE or a REFERENCE_TYPE respectively.
16778 (build_pointer_type_for_mode): Only return unqualified types.
16779 (build_reference_type_for_mode): Likewise.
16781 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
16783 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
16784 * Makefile.in (CXX_COMPAT_WARN): Define.
16785 * configure: Regenerate.
16787 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
16790 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
16793 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16795 * toplev.c: Fix thinko.
16797 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16798 Marcin Dalecki <martin@dalecki.de>
16800 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
16801 (push_srcloc): Use XNEW.
16802 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
16804 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
16806 * df-core.c (df_set_blocks): Deleted all variable.
16808 2006-01-28 Ian Lance Taylor <ian@airs.com>
16810 * cgraphunit.c (cgraph_assemble_pending_functions): Call
16811 cgraph_output_pending_asms.
16813 2006-01-28 Zack Weinberg <zackw@panix.com>
16815 * c.opt: Add -W(no-)overlength-strings.
16816 * doc/invoke.texi: Document it.
16817 * c-opts.c (c_common_handle_option): -pedantic implies
16818 -Woverlength-strings, if not explicitly disabled already.
16819 (c_common_post_options): -Woverlength-strings defaults to off, and
16820 is always off for C++.
16821 * c-common.c (fix_string_type): Issue warning about strings longer
16822 than is portable only if warn_overlength_strings. Rearrange code
16823 a little for clarity.
16824 * configure.in: Check for -Wno-overlength-strings as well before
16825 enabling -pedantic in stage 1.
16826 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
16827 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
16829 * genconditions.c (write_header, write_one_condition)
16830 (write_conditions, write_writer): Consolidate very long strings
16831 that were broken up to fit in C89 portable limit. Don't use
16832 printf when fputs will do.
16834 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
16836 * combine.c (simplify_comparison <AND>): Check
16837 TRULY_NOOP_TRUNCATION before start using a subreg.
16839 * config/mips/mips.md (*branch_zero<mode>,
16840 *branch_zero<mode>_inverted, *branch_equality<mode>,
16841 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
16842 Remove mode check from comparisons.
16844 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
16846 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
16848 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16850 * expmed.c (const_mult_add_overflow_p): Remove.
16851 * expr.h: Remove the prototype for const_mult_add_overflow_p.
16853 * recog.c (validate_replace_rtx_subexp): Remove.
16854 * recog.h: Remove the prototype for
16855 validate_replace_rtx_subexp.
16857 * integrate.h: Remove the prototype for
16858 copy_decl_for_inlining.
16859 * rtl.h: Remove the prototype for mark_constant_function.
16860 * tree-vectorizer.h: Remove the prototype for
16861 vect_strip_conversion.
16863 * modulo-sched.c (create_partial_schedule,
16864 free_partial_schedule, reset_partial_schedule): Make them
16867 * hooks.c (hook_bool_rtx_int_false): Remove.
16868 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
16870 2006-01-28 David Edelsohn <edelsohn@gnu.org>
16872 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16873 and -mlong-double-128 are incompatible.
16874 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
16875 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
16876 (TARGET_LIBGCC2_CFLAGS): Define.
16877 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
16878 (TARGET_LIBGCC2_CFLAGS): Same.
16879 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
16881 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16884 * c-typeck.c (build_binary_op): Perform implicit casts of
16885 operands before shortening them.
16887 * cfgloopmanip.c (split_loop_bb): Remove.
16888 * cfgloop.h: Remove the prototype for split_loop_bb.
16890 * cfgloop.c (flow_loop_outside_edge_p): Remove.
16891 * cfgloop.h: Remove the prototype for
16892 flow_loop_outside_edge_p.
16894 * emit-rtl.c (init_virtual_regs): Make it static.
16895 * function.h: Remove the prototype for init_virtual_regs.
16897 * recog.c (peephole2_optimize): Make it static.
16898 * recog.h: Remove the prototype for peephole2_optimize.
16900 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16902 * df-scan.c (df_record_entry_block_defs): Check if
16903 INCOMING_RETURN_ADDR_RTX is defined.
16905 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
16906 Kenneth Zadeck <zadeck@naturalbridge.com>
16908 PR rtl-optimization/24762
16909 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16910 * targhooks.c (hook_void_bitmap): New hook prototype.
16911 * targhoohs.h (hook_void_bitmap): Ditto.
16912 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
16913 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
16914 * target.h (live_on_entry): New function pointer.
16915 * df-scan.c (df_all_hard_regs): Removed.
16916 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
16917 (df_scan_free_internal): Added df->entry_block_defs.
16918 (df_scan_alloc): Ditto.
16919 (df_scan_dump): Ditto.
16920 (df_uses_record): Plumbed flag field properly thru calls.
16921 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
16922 This part fixes PR24762.
16923 (df_bb_refs_record): Added code to make the frame and arg
16924 pointers live in EH blocks.
16925 (df_refs_record): Added call to df_record_entry_block_defs.
16926 (df_record_entry_block_defs): New function.
16927 * df-core.c: Added comments to describe new artifical defs.
16928 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
16929 (entry_block_defs): New field in struct df.
16930 (df_all_hard_regs): Deleted.
16931 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16932 * df-problems.c (df_ru_bb_local_compute_process_def):
16933 Added code to handle artifical defs in the entry to a function.
16934 (df_ru_bb_local_compute): Ditto.
16935 (df_rd_bb_local_compute_process_def): Ditto.
16936 (df_rd_bb_local_compute): Ditto.
16937 (df_lr_bb_local_compute): Ditto.
16938 (df_ur_bb_local_compute): Ditto.
16939 (df_urec_bb_local_compute): Ditto.
16940 (df_chain_create_bb): Ditto.
16941 (df_ur_local_finalize): Removed entry.
16942 (df_urec_init): Ditto.
16943 (df_urec_local_finalize): Ditto.
16944 (df_ri_bb_compute): Added detection of last use of pseudos.
16945 * Makefile.in (df-scan.o): Updated dependencies.
16946 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
16947 * config/mips/mips.c (mips_set_live_on_entry): Added.
16948 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
16950 * dce.c (marked_insn_p): Added code to handle artifical defs.
16952 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16954 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
16956 (_mm_cvtsi128_si64): Likewise.
16957 (_mm_cvtsd_si64): Likewise.
16958 (_mm_cvttsd_si64): Likewise.
16959 (_mm_cvtsi64_sd): Likewise.
16960 (_mm_cvtsi64_si128): Likewise.
16961 * config/i386/mmintrin.h (_m_from_int64): Likewise.
16962 (_mm_cvtsi64_m64): Likewise.
16963 (_m_to_int64): Likewise.
16964 (_mm_cvtm64_si64): Likewise.
16965 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
16966 (_mm_cvttss_si64): Likewise.
16967 (_mm_cvtsi64_ss): Likewise.
16968 (_mm_cvtss_f32): Likewise.
16970 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
16972 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
16973 for pragma redefine_extname.
16975 2006-01-27 Jakub Jelinek <jakub@redhat.com>
16978 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
16979 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
16980 -mno-minimal-toc to previous content.
16981 (bispecs): Remove goal.
16982 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
16983 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
16984 compatibility aliases on powerpc-*-*gnu*.
16985 * config/rs6000/libgcc-ppc-glibc.ver: New file.
16986 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
16987 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
16988 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
16989 (ldblspecs): New goal.
16990 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
16991 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
16993 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
16994 L_sf_to_tf or L_df_to_tf is defined.
16996 2006-01-27 David Edelsohn <edelsohn@gnu.org>
16997 Alan Modra <amodra@bigpond.net.au>
17000 * config/rs6000/linux.h (POWERPC_LINUX): Define.
17001 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
17002 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
17003 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
17004 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
17005 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
17006 (rs6000_override_options): Initialize rs6000_ieeequad.
17007 Initialize TFmode format to ibm_extended_format if not
17009 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
17011 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
17012 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
17013 (function_arg_advance): IBM long double passed in two FPRs, not
17015 (function_arg): IBM long double passed in FPRs.
17016 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
17017 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
17018 Only multireg GPR aligned.
17019 (rs6000_init_libfuncs): Enable IBM long double functions if not
17021 (rs6000_generate_compare): Use IBM long double compare if not
17023 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
17024 (TARGET_IEEEQUAD): Define.
17025 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
17026 not TARGET_IEEEQUAD.
17027 * config/rs6000/rs6000.md: Enable TFmode patterns if
17029 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
17030 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
17031 and -mlong-double-128 are incompatible.
17032 * doc/invoke.texi (-mabi): Collect options together. Add
17033 ibmlongdouble and ieeelongdouble.
17035 2006-01-27 Richard Sandiford <richard@codesourcery.com>
17037 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
17039 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
17040 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
17041 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
17042 * rtl.h (rtunion_def): Remove rt_ptr.
17044 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
17045 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
17046 * config/i386/winnt.c (i386_pe_mark_dllexport)
17047 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
17049 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
17051 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
17053 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17057 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
17058 pthread_key_delete. From John David Anglin. gthrw-ify
17059 pthread_getunique_np only if it it's not a macro. Delete
17061 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
17062 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
17063 __gthread_objc_condition_signal, __gthread_key_delete): Add
17064 "__attribute__ ((__unused__))" to unused arguments.
17065 (__gthread_recursive_mutex_init_function): Add missing return.
17066 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
17067 gthr-posix95.h: Use macro-based approach for name redirection
17068 on targets missing weakref.
17070 2006-01-26 Zack Weinberg <zackw@panix.com>
17072 * genconditions.c (write_header): In generated code, #ifdef out
17073 all includes and fake declarations, except includes of bconfig.h
17074 and system.h, unless GCC_VERSION >= 3001. Do not include
17075 gensupport.h in any case.
17076 (write_conditions): Generate a definition of struct c_test. Add
17077 a comment to the generated #endif.
17078 (write_one_condition): Escape backslashes in string too.
17079 (write_writer): Generated code must escape backslashes and quote
17080 marks (but not newlines) in the strings it writes.
17081 * Makefile.in (build/gencondmd.o): Update dependencies.
17083 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17086 * Makefile.in (insn-automata.o): Add header file dependencies.
17087 * genautomata.c: Add includes.
17089 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17092 * Makefile.in (insn-automata.o): Add -Wno-error flag.
17094 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17096 * configure.ac: Expect target tools paths to be passed from the toplevel
17097 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
17099 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
17101 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17104 * c.opt (Wpointer-sign): Init to -1.
17105 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
17106 OPT_pedantic, to 0 otherwise.
17107 * doc/invoke.texi: Update.
17109 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17111 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
17112 constants provided by 80387 instructions in the destination mode.
17114 2006-01-26 Richard Guenther <rguenther@suse.de>
17115 Andrew Pinski <pinskia@physics.uc.edu>
17118 partial PR tree-opt/17064
17119 * tree-ssa-structalias.c (intra_create_variable_infos):
17120 Create heap variables for incoming parameters if
17121 flag_argument_noalias > 1.
17122 (find_what_p_points_to): Look through default defs of
17125 2006-01-26 Jeff Law <law@redhat.com>
17128 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
17129 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
17130 within the VR_RANGE, use the VR_RANGE as the result, not the
17132 (adjust_range_with_scev): Reject ranges from SCEV which are out of
17133 bounds for the type.
17135 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
17137 * tree-ssa-alias.c (maybe_create_global_var): Change
17138 subvar walking to an assertion that we don't have subvar'd variables.
17140 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
17143 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
17144 Use a new variable, inner. PARM_DECLs are always non-weak.
17146 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
17148 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
17149 --disable-checking.
17151 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
17153 * config/mips/mips.md (*clear_upper32): New combiner pattern.
17155 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
17157 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
17158 (smax_insn, smin_insn, smax_0, smin_0): New.
17160 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
17163 * config/cris/cris.c (cris_order_for_addsi3): New function.
17164 * config/cris/cris-protos.h: Prototype it.
17165 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
17166 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
17167 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
17168 (split for "op.S1 [rx=rx+i],ry (swapped)")
17169 (split for "op(s|u).S1 [rx=rx+i],ry")
17170 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
17171 Apply cris_order_for_addsi3 when generating addsi3 insns.
17173 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17175 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
17176 (TREE_BLOCK): Add call to EXPR_CHECK.
17178 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17181 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
17182 * tree-pretty-print.c (dump_omp_clause): Extract from ...
17183 (dump_omp_clauses): ... here.
17184 (dump_generic_node): Handle OMP_CLAUSE.
17185 * tree.c (omp_clause_num_ops): New.
17186 (omp_clause_code_name): New.
17187 (tree_code_size): Handle OMP_CLAUSE.
17188 (tree_size): Likewise.
17189 (make_node): Document handling of OMP_CLAUSE.
17190 (tree_node_structure): Handle OMP_CLAUSE.
17191 (omp_clause_check_failed): New.
17192 (omp_clause_range_check_failed): New.
17193 (omp_clause_operand_check_failed): New.
17194 (build_omp_clause): New.
17195 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
17196 * tree.h (enum omp_clause_code): Declare.
17197 (OMP_CLAUSE_SUBCODE_CHECK): Define.
17198 (OMP_CLAUSE_RANGE_CHECK): Define.
17199 (OMP_CLAUSE_ELT_CHECK): Define.
17200 (omp_clause_check_failed): Declare.
17201 (omp_clause_operand_check_failed): Declare.
17202 (omp_clause_range_check_failed): Declare.
17203 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
17204 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
17205 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
17206 (OMP_CLAUSE_LASTPRIVATE): Likewise.
17207 (OMP_CLAUSE_IF_EXPR): Likewise.
17208 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
17209 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
17210 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
17211 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
17212 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
17213 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
17214 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
17215 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
17216 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
17217 (OMP_CLAUSE_CODE): Define.
17218 (OMP_CLAUSE_SET_CODE): Define.
17219 (OMP_CLAUSE_CODE): Define.
17220 (OMP_CLAUSE_OPERAND): Define.
17221 (struct tree_omp_clause): Declare.
17222 (union tree_node): Add field 'omp_clause'.
17223 * treestruct.def (TS_OMP_CLAUSE): Define.
17224 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
17225 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
17226 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
17227 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
17228 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
17229 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
17230 (OMP_CLAUSE): Define.
17231 * print-tree.c (print_node): Handle OMP_CLAUSE.
17232 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
17233 * c-typeck.c: Likewise.
17234 * gimplify.c: Likewise.
17235 * c-omp.c: Likewise.
17236 * tree-nested.c: Likewise.
17237 * tree-inline.c: Likewise.
17238 * c-parser.c: Likewise.
17239 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
17242 2006-01-25 Roger Sayle <roger@eyesopen.com>
17244 PR rtl-optimization/25703
17245 * combine.c (try_combine): Handle zero_extract and strict_low_part
17246 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
17248 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
17250 * global.c: Fix comment typos.
17252 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
17255 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
17256 Use output_addr_const instead of assemble_name.
17258 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
17260 * Makefile.in (sched-vis.o): Update dependencies.
17261 * haifa-sched.c (sched_finish): Clear current_sched_info.
17262 * cfg.c (dump_bb_info): New, split from dump_flow_info.
17263 (dump_flow_info): Call it.
17264 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
17266 * basic-block.h (dump_bb_info): Declare.
17267 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
17268 option, and apply options only for dump files whose TDF_RTL,
17269 TDF_TREE, or TDF_IPA bits match.
17270 * rtl.h: Declare new functions exported from sched-vis.c.
17271 * sched-vis.c: Enable also if scheduling is not used.
17272 (print_value): Print the mode of registers if not inside scheduling.
17273 (print_insn): Make it work outside the scheduler. Beautify the output
17275 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
17277 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17279 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
17280 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
17281 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
17282 depending on the value of CONSTANT_POOL_ADDRESS_P.
17283 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
17285 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
17286 rather than SYMBOL_REF_DECL.
17287 (rtx_constant_pool): Remove const_rtx_sym_htab.
17288 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
17289 (init_varasm_status): Don't initialize const_rtx_sym_htab.
17290 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
17291 Remove handling of const_rtx_sym_htab.
17292 (find_pool_constant): Delete.
17293 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
17294 rather than find_pool_constant.
17295 (get_pool_constant_for_function): Delete.
17296 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
17297 find_pool_constant.
17298 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
17299 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
17300 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
17301 (SYMBOL_REF_CONSTANT): New macro.
17302 (get_pool_constant_for_function): Delete.
17303 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
17304 rather than SYMBOL_REF_DECL.
17305 (i386_pe_mark_dllimport): Likewise.
17306 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
17307 rather than SYMBOL_REF_DECL.
17308 * config/darwin.c (machopic_indirect_data_reference): Likewise.
17309 (machopic_indirect_call_target): Likewise.
17311 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
17313 * flow.c (delete_noop_moves): Add missing EOL to dump message.
17315 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17317 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
17319 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
17321 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
17323 2006-01-24 David Daney <ddaney@avtrex.com>
17326 * configure.ac (enable_tls): New enable option.
17327 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
17328 * configure: Regenerate.
17329 * doc/install.texi (--enable-tls): Document new option.
17330 (--disable-tls): Ditto.
17332 2006-01-24 Richard Henderson <rth@redehat.com>
17334 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
17335 * alias.c (true_dependence): Respect it.
17336 (canon_true_dependence, write_dependence_p): Likewise.
17337 * builtins.c (get_builtin_sync_mem): Set it.
17339 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
17341 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
17344 2006-01-24 DJ Delorie <dj@redhat.com>
17346 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
17347 for storing constants in single-bit bitfields.
17349 2006-01-25 Ben Elliston <bje@au.ibm.com>
17351 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
17353 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
17356 * tree-ssa-pre.c (phi_translate): Return NULL
17357 for AGGREGATE_TYPE's.
17359 2006-01-24 Zack Weinberg <zackw@panix.com>
17361 * genautomata.c (process_state_for_insn_equiv_partition):
17362 Use xcalloc for insn_arcs_array.
17363 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
17364 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
17366 2006-01-24 Richard Henderson <rth@redhat.com>
17368 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
17369 update all callers.
17371 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
17373 PR rtl-optimization/25890
17374 PR rtl-optimization/25905
17375 * combine.c (expand_compound_operation, expand_field_assignment):
17376 Fail if the bitfield's final position is out of bounds.
17378 2006-01-24 Ian Lance Taylor <ian@airs.com>
17380 PR middle-end/25930
17381 * cgraphunit.c (cgraph_output_in_order): Don't clear
17382 cgraph_asm_nodes until after asm strings have been output.
17384 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
17386 * fix-header.c (read_scan_file): Add new parameter imultilib when
17387 calling register_include_chains.
17389 2006-01-23 Diego Novillo <dnovillo@redhat.com>
17391 * omp-low.c: Update documentation.
17393 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17394 Daniel Berlin <dberlin@dberlin.org>
17398 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
17399 return from the function.
17401 2006-01-22 Zack Weinberg <zackw@panix.com>
17403 * rtl.def (match_code): Add second argument.
17404 * genpreds.c (write_extract_subexp): New function.
17405 (write_match_code): Add path argument. Use write_extract_subexp.
17406 (write_predicate_expr): Pass path to write_match_code.
17407 (mark_mode_tests): MATCH_CODE applied to a subexpression does
17408 not perform a mode test.
17409 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
17410 a subexpression does not constrain the top-level code set.
17411 * read-rtl.c (read_rtx_variadic): New function.
17412 (read_rtx_1): Use it; allow AND and IOR to be variadic.
17413 * doc/md.texi: Document new notation.
17414 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
17415 (cmpsi_operand): ... here, using new notation.
17417 2006-01-22 Zack Weinberg <zackw@panix.com>
17419 * varray.c: Remove GENERATOR_FILE #ifdefs.
17421 2006-01-22 Zack Weinberg <zackw@panix.com>
17423 * genautomata.c (output_reserved_units_table): Emit nothing if
17424 description->query_units_num is zero. Remove extra blank line.
17425 (output_cpu_unit_reservation_p): Short circuit
17426 if description->query_units_num is zero.
17428 2006-01-22 Zack Weinberg <zackw@panix.com>
17430 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
17431 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
17432 nor any of the random handful of variables that used to be necessary
17433 when this program was linked with rtlanal.o. Prune set of forward
17434 function declarations.
17435 (struct attr_desc): Remove static_p field.
17436 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
17437 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
17438 (attr_string): Do not read the character one past the length of
17440 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
17441 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
17442 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
17443 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
17444 (make_automaton_attrs): New.
17445 (main): Do not call into genautomata. Call local gen_bypass
17446 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
17447 Remove special case for insn_alts.
17448 * genautomata.c: Include gensupport.h; not genattrtab.h nor
17449 varray.h (leftover from previous change). Prune set of forward
17450 function declarations. Remove state_alts fields from all
17451 structures. Remove state_alts_table from struct automaton.
17452 Make everything except main static. Do not maintain num_dfa_decls.
17453 Do not maintain state_alts fields of various structures.
17454 (process_decls): Don't validate condexp for dm_insn_reserv decls.
17455 (add_arc): Remove state_alts argument. All callers updated.
17456 (output_reserved_units_table): Emit #ifdef here...
17457 (output_tables): ...not here. Don't generate state_alts tables.
17458 (expand_automata): Don't generate attributes.
17459 (write_automata): Don't generate state_alts functions.
17460 (main): New function.
17461 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
17462 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
17463 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
17464 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
17465 (BYPASS_P_FUNC_NAME, output_state_alts_table)
17466 (output_automata_list_state_alts_code, output_internal_state_alts_func)
17467 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
17468 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
17470 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
17471 * genattrtab.h: Delete file.
17472 * Makefile.in (OBJS-common): Add insn-automata.o.
17473 (insn-automata.o): New rule.
17474 (simple_generated_c): Add insn-automata.c.
17475 (build/genattrtab.o, build/genautomata.o): Update dependencies.
17476 (genprogmd): Add automata.
17477 (build/genattrtab): Needs no extra objects nor libraries.
17478 (build/genautomata): Needs build/vec.o and -lm.
17480 2006-01-22 Zack Weinberg <zackw@panix.com>
17482 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
17483 (output_dfa_max_issue_rate, locked_states_num): Delete.
17484 (struct automaton): Add locked_states field.
17485 (output_dead_lock_vect): Save number of locked states in
17486 automaton->locked_states. If it is zero, don't print anything.
17487 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
17488 (output_internal_dead_lock_func): Only test the dead_lock_vect
17489 for automata that have locked states.
17490 (output_statistics): Always print the number of locked states for
17491 each automaton. Calculate total number of locked states here.
17492 (write_automata): Don't call output_dfa_max_issue_rate.
17493 * genattrtab.c: Define length_unit_log as a const variable.
17494 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
17495 max_insn_queue_index const.
17496 * final.c (length_unit_log): Declare const.
17497 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
17499 2006-01-22 Zack Weinberg <zackw@panix.com>
17501 * genautomata.c: Include vec.h, not varray.h.
17502 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
17503 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
17504 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
17505 VEC_* macros operating on appropriately typed vectors, or to
17506 malloced arrays when the size is known in advance. Const-ify
17507 many char* variables and function arguments. No functional changes.
17508 * Makefile.in (build/varray.o): Delete rule.
17509 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
17510 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
17512 2006-01-22 Zack Weinberg <zackw@panix.com>
17514 * gensupport.c: Define get_insn_name and record_insn_name here.
17515 (read_md_rtx): Call record_insn_name as appropriate.
17516 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
17517 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
17518 * genpreds.c, genrecog.c: Don't define get_insn_name nor
17520 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
17521 (BUILD_VARRAY): Delete.
17522 (genprognormal): Rename genprogmd. Fold in all programs from
17523 genprognoprint; also attrtab.
17524 (build/genattrtab): Just mention genautomata.o and varray.o.
17525 Reorganize a bit, add comments to make the categories clearer.
17527 2006-01-22 Zack Weinberg <zackw@panix.com>
17529 * genconditions.c (condition_table, add_condition): Delete.
17530 (write_conditions): Don't emit n_insn_conditions nor
17531 insn_elision_unavailable. Issue the gcc version #ifdef here,
17532 inside the table, with no #else clause ...
17533 (write_header): ...not here.
17534 (write_writer): New function.
17535 (main): Don't initialize condition_table. Use add_c_test.
17537 * gensupport.c (init_md_reader_args_cb): Handle multiple input
17538 files on the command line.
17539 (maybe_eval_c_test): Don't check insn_elision_unavailable.
17540 Return -1 if there is no entry in the table, don't abort.
17541 (add_c_test, traverse_c_tests): New functions.
17542 * gensupport.h (insn_elision_unavailable, insn_conditions)
17543 (n_insn_conditions): Delete declarations.
17544 (add_c_test, traverse_c_tests): Declare.
17545 * read-rtl.c: Include gensupport.h.
17546 (read_conditions): New function.
17547 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
17548 (read_rtx_1): If we get EOF when we were looking for an initial
17549 open paren, return 0. Call read_conditions when appropriate.
17550 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
17551 dummy-conditions.o. Eliminate references to insn-conditions.o,
17552 or change them to build/gencondmd.o, as appropriate. Remove
17553 insn-constants.h from $(simple_generated_h) and insn-conditions.c
17554 from $(simple_generated_c). For all files remaining in those
17555 two lists, add insn-conditions.md to the generator command line.
17556 Give insn-constants.h/s-constants their own rules. Add rules
17557 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
17558 (build/read-rtl.o): Depend on gensupport.h.
17559 (genprognormal): Include preds.
17560 (genprogearly): Rename genprognoprint; only difference is now that
17561 they don't link with $(BUILD_PRINT).
17562 * dummy-conditions.c: Delete.
17564 2006-01-22 Zack Weinberg <zackw@panix.com>
17566 * genextract.c: Don't include insn-config.h. Do include vec.h.
17567 Declare vectors of int, char, and locstr.
17568 (locstr): New typedef.
17569 (struct extraction): Make all array fields into bare pointers.
17570 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
17571 (insn_code_number): Delete.
17572 (accum_extract): New struct.
17573 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
17574 (gen_insn): Take insn_code_number as an argument. Use an
17575 accum_extract structure instead of loading data directly into
17576 a struct extraction, and having to know how big it might get.
17577 (walk_rtx): Operate entirely on an accum_extract structure.
17578 (print_path): Avoid unnecessary use of printf.
17579 (print_header): New function, split out of main. Distinguish
17580 more carefully between an unrecognizable insn and an insn that
17581 has the code number of a define_expand.
17582 (main): Pass insn_code_number to gen_insn. Call print_header
17583 only after parsing. Avoid unnecessary use of printf.
17584 * Makefile.in (build/vec.o): New rule.
17585 (build/genextract): Depend on build/vec.o.
17586 (build/genextract.o): Don't depend on insn-config.h.
17588 2006-01-22 Zack Weinberg <zackw@panix.com>
17590 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
17591 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
17592 practical. Eliminate per-generator-program link rules.
17594 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17596 PR middle-end/24437
17597 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17598 with a call expr to ...
17599 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17601 2006-01-23 Richard Guenther <rguenther@suse.de>
17603 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
17604 before make_edge with conditional EDGE_TRUE_VALUE.
17606 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
17607 Jan Hubicka <jh@suse.cz>
17608 Richard Guenther <rguenther@suse.de>
17610 PR rtl-optimization/25654
17611 * cfgexpand.c (aggregate_contains_union_type): New function.
17612 (add_alias_set_conflicts): Call it. Make sure to add conflicts
17613 for structure variables that contain a union type.
17615 2006-01-23 Richard Sandiford <richard@codesourcery.com>
17617 * gengtype.c (new_structure): Return the structure.
17618 (create_option): Add an extra "next" argument.
17619 (create_field): New function.
17620 (adjust_field_rtx_def): Use create_option and create_field.
17621 Remove a now-unnecessary call to find_structure.
17622 (adjust_field_tree_def): Likewise.
17623 (note_yacc_type): Remove an unnecessary call to find_structure.
17624 * gengtype.h (new_structure): Return the structure.
17625 (create_option): Add an extra argument.
17626 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
17627 (option): Adjust calls to create_option.
17629 2006-01-22 David Edelsohn <edelsohn@gnu.org>
17631 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
17633 2006-01-22 Paul Brook <paul@codesourcery.com>
17634 Peter Barada <peter@the-baradas.com>
17636 * config/m68k/m68k.md: Add Coldfire FPU support.
17637 Define FP mode macro and associated attributes.
17638 Use it for float mode patterns.
17639 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
17640 (LIBCALL_VALUE): Use m68k_libcall_value.
17641 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
17642 (m68k_function_value): Ditto.
17643 (emit_move_sequence): Ditto.
17644 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
17645 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
17646 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
17647 (MULTILIB_EXCEPTIONS): Ditto.
17648 * config/m68k/m68k.opt: Add mcfv4e.
17649 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
17650 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
17651 (m68k_output_function_prologue): Save ColdFire FPU registers.
17652 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
17653 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
17654 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
17655 ColdFire FPU registers.
17656 (m68k_libcall_value, m68k_function_value): New functions.
17657 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
17658 (LIBCALL_VALUE): Use m68k_libcall_value.
17659 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
17660 (MASK_COLDFIRE): Add MASK_CFV4E.
17661 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
17662 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
17663 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
17664 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
17665 (GO_IF_LEGITIMATE_ADDRESS): Use it.
17666 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
17667 * doc/invoke.tex: Document -mcfv4e on m68k.
17669 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
17671 * doc/contribute.texi: Change CVS to SVN and update the corresponding
17674 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
17677 * c-opts.c (c_common_handle_option): Don't include
17678 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
17679 * doc/invoke.texi (C++ Dialect Options): Document that
17680 -Wnon-virtual-dtor is no longer included in -Wall.
17682 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
17684 * gcov.c (print_version), gcov-dump.c (print_version),
17685 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
17688 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
17690 * df-scan.c (problem_SCAN): Added NULL reset function.
17691 (df_scan_reset_blocks): Added code to call reset block function
17692 (df_bb_refs_delete) Fixed comment.
17693 (df_insn_refs_delete): Made tolerant of deleting non existent info
17694 for dataflow problems that need to be reset.
17695 * df-core.c (df_set_blocks): Ditto.
17696 * df.h (struct df_problem): Added reset_fun.
17697 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
17698 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
17699 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
17700 functions to clear out all references to def-use or use-def chains.
17702 2006-01-21 Ben Elliston <bje@au.ibm.com>
17704 * varasm.c (assemble_real): Initialise data array.
17706 2006-01-20 Paul Brook <paul@codesourcery.com>
17708 Merge from csl-arm-branch.
17709 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
17710 * config/arm/arm.md (movdi): Force operands[1] to a register
17711 if we have a non-register source.
17712 (*arm_movdi, *movdf_soft_insn): Require that one of the
17713 operands be a register.
17714 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
17715 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
17717 2006-01-20 DJ Delorie <dj@redhat.com>
17719 * varasm.c (initializer_constant_valid_p): Allow pointers
17720 initialized from integer constants of lesser precision.
17721 (output_constant): Allow non-int-sized pointer modes to be
17722 initialized from integer constants.
17724 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
17727 * cppdefault.h (struct default_include): Add multilib flag.
17728 * cppdefault.c (cpp_include_defaults): Set it.
17729 * c.opt (-imultilib): New option.
17730 * c-opts.c (imultilib): New.
17731 (c_common_handle_option): Handle -imultilib.
17732 (c_common_post_options): Likewise.
17733 * c-incpath.c (add_standard_paths, register_include_chains):
17735 * c-incpath.h (register_include_chains): Add extra parameter.
17736 * gcc.c (do_spec_1): Generate -imultilib option.
17737 (The Specs Language): Update %I description.
17738 (process_command): Update copyright notice.
17739 * doc/cppopts.texi (-imultilib): Document.
17740 * doc/invoke.texi (-imultilib): Include in option summary.
17741 (%I): Update specs documentation.
17743 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17745 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
17747 2006-01-20 Richard Sandiford <richard@codesourcery.com>
17749 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
17752 2006-01-20 Richard Guenther <rguenther@suse.de>
17753 Steven Bosscher <stevenb.gcc@gmail.com>
17755 PR rtl-optimization/24626
17756 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
17757 EDGE_TRUE_VALUE if in RTL mode.
17760 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
17761 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
17763 2006-01-20 Dirk Mueller <dmueller@suse.com>
17766 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
17767 instead of a special NOP marker.
17768 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
17769 NOP marker handling.
17770 * c-common.h (empty_body_warning): Add forward declaration.
17771 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
17772 Now uses IS_EMPTY_STMT() instead of special NOP markers.
17774 2006-01-20 Paul Brook <paul@codesourcery.com>
17776 * Makefile.in (lang_checks): Keep going if mkdir fails.
17778 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17780 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
17781 be able to clean out basic block when not necessary.
17782 (df_scan_free): Fixed to properly delete information if df is
17783 unused before calling df_finish.
17784 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
17785 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
17787 (df_bb_refs_delete): New function.
17788 (df_refs_delete): Moved per block code to df_bb_refs_delete.
17789 * df-core.c (df_set_blocks): Added code to properly clean out
17790 unused blocks if they are not part of the blocks to consider.
17791 Added additional null check.
17792 (df_compact_blocks): Added basic block parameter to free_bb_fun to
17793 be able to clean out basic block when not necessary
17794 * df.h (df_free_bb_function): Ditto.
17795 (df_bb_refs_delete): New function.
17796 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
17797 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
17798 basic block parameter to be able to clean out basic block when not
17800 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
17801 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
17802 Fixed to properly delete information if df is unused before
17805 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17807 PR rtl-optimization/25799
17808 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
17809 Corrected confluence operator to remove bits from op2 before oring
17810 with op1 rather than removing bits from op1.
17811 (df_ru_transfer_function): Corrected test on wrong bitmap which
17812 caused infinite loop. Both of these problems were introduced in
17813 the dataflow rewrite.
17815 2006-01-19 DJ Delorie <dj@redhat.com>
17817 * reload1.c (find_reload_regs): Note the details of reload
17818 failures in the dump file.
17819 (spill_failure): Likewise.
17821 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17823 * loop-iv.c: Include df.h and hashtab.h.
17824 (enum iv_grd_result): New enum.
17825 (DF_REF_IV, DF_REF_IV_SET): New macros.
17826 (struct biv_entry): New.
17827 (df, bivs): New global variables.
17828 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
17829 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
17831 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
17832 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
17833 analyzed_for_bivness_p, record_biv): New functions.
17834 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
17835 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
17836 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
17838 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
17840 (iv_number_of_iterations): Use new interface to iv analysis.
17841 * loop-unroll.c: Do not include varray.h.
17842 (analyze_iv_to_split_insn): Use new interface to iv
17844 * loop-unswitch.c (may_unswitch_on): Ditto.
17845 * df.c (df_bitmaps_free): Only work for bbs for that structures are
17847 (df_bb_modify): Realloc tables to the new index.
17848 (df_find_use): New function.
17849 * df.h (df_find_use): Declare.
17850 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
17852 * cfgloop.h (struct rtx_iv): Remove analysed field.
17853 (iv_get_reaching_def): Removed.
17854 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
17855 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
17856 (loop-iv.o): Add df.h and hashtab.h dependency.
17857 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
17859 2006-01-20 Alan Modra <amodra@bigpond.net.au>
17862 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
17864 (__floatundisf, __floatundidf): Likewise.
17865 * libgcc2.h (IS_IBM_EXTENDED): Define.
17867 2006-01-19 DJ Delorie <dj@redhat.com>
17869 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
17871 2006-01-19 Paul Brook <paul@codesourcery.com>
17873 * config/arm/arm.c (arm_compute_func_type): Treat all functions
17874 as nothrow when unwinding tables are disabled.
17876 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17879 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
17880 of bit-field" when in system header.
17882 2006-01-19 DJ Delorie <dj@redhat.com>
17884 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
17885 the 16 bit shift limit of the m16c.
17887 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
17890 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
17891 * config/i386/i386.c (output_set_got): Output the label if we have one
17892 for the TARGET_DEEP_BRANCH_PREDICTION case.
17894 2006-01-19 Jan Hubicka <jh@suse.cz>
17895 H.J. Lu <hongjiu.lu@intel.com>
17896 Evandro Menezes <evandro.menezes@amd.com>
17898 * invoke.texi (generic): Document
17900 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
17901 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
17902 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
17903 (x86_use_incdec, x86_pad_returns): New variables
17904 (TARGET_CPU_DEFAULT_generic): New constant
17905 (TARGET_CPU_DEFAULT_NAMES): Add generic.
17906 (enum processor_type): Add generic32 and generic64.
17907 * i386.md (cpu attribute): Add generic32/generic64
17908 (movhi splitter): Behave sanely when both partial_reg_dependency and
17909 partial_reg_stall are set.
17910 (K8 splitters): Enable for generic as well.
17911 * predicates.md (incdec_operand): Use TARGET_INCDEC
17912 (aligned_operand): Avoid memory mismatch stalls.
17913 * athlon.md: Enable for generic64, new patterns for 128bit moves.
17914 * ppro.md: Enable for generic32
17915 * i386.c (generic64_cost, generic32_cost): New.
17916 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
17917 (x86_use_leave): Enable for generic64. (x86_use_sahf,
17918 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
17919 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
17920 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
17921 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
17922 x86_partial_reg_dependency, x86_memory_mismatch_stall,
17923 x86_accumulate_outgoing_args, x86_prologue_using_move,
17924 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
17925 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
17926 Enable for generic.
17927 (x86_use_incdec, x86_pad_returns): New.
17928 (override_options): Add generic32 and generic64, translate "generic"
17929 to generic32/generic64 and "i686" to "generic32", refuse
17930 "generic32"/"generic64" as arch target.
17931 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
17932 (ix86_reorg): Honor PAD_RETURNS.
17934 2006-01-19 Diego Novillo <dnovillo@redhat.com>
17936 * tree-pretty-print.c (dump_generic_node): Handle
17937 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
17938 * cgraph.c (cgraph_expand_queue): Rename from
17939 cgraph_analyze_queue. Update all users.
17940 * cgraphunit.c (cgraph_assemble_pending_functions): Process
17941 cgraph_expand_queue.
17942 (cgraph_expand_all_functions): Likewise.
17943 (cgraph_finalize_pending_functions): Remove. Update callers.
17945 * tree.h (OMP_DIRECTIVE_P): Define.
17946 (OMP_PARALLEL_FN): Define.
17947 (OMP_PARALLEL_DATA_ARG): Define.
17948 (OMP_SECTIONS_SECTIONS): Define.
17949 * tree-pass.h (pass_expand_omp): Declare.
17950 * omp-low.c (struct omp_region): Declare.
17951 (struct omp_context): Remove fields 'parallel_type',
17952 'parallel_start_ix' and 'parallel_start_additional_args'.
17954 (struct omp_for_data): Rename from struct expand_omp_for_data.
17955 (omp_regions): New static variable.
17956 (root_omp_region): New static variable.
17957 (find_omp_clause): Make static.
17958 (is_in_combined_parallel_ctx): Remove.
17959 (is_combined_parallel): New.
17960 (extract_omp_for_data): Move earlier in the file.
17961 (workshare_safe_to_combine_p): New.
17962 (get_ws_args_for): New.
17963 (determine_parallel_type): Move earlier in the file.
17964 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
17966 (omp_copy_decl): Likewise.
17967 (create_omp_child_function): Likewise.
17968 (lookup_omp_region): New.
17969 (dump_omp_region): New.
17970 (debug_omp_region): New.
17971 (debug_all_omp_regions): New.
17972 (new_omp_region): New.
17973 (scan_omp_parallel): If parallel_nesting_level > 1, the
17974 directive is nested within another parallel directive.
17975 Set OMP_PARALLEL_FN.
17976 (scan_omp_for): Do not try to handle combined parallel+for
17978 Remove FIXME comment.
17979 (scan_omp_nested): Remove.
17980 (scan_omp_1): Do not call scan_omp_nested when
17981 parallel_nesting_level is > 1.
17982 Do not change the DECL_CONTEXT of local variables found.
17983 (lookup_decl_in_outer_ctx): New.
17984 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
17985 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
17986 (lower_reduction_clauses): Rename from expand_reduction_clauses.
17987 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
17988 If CTX is nested, lookup VAR in the outer context when
17989 building copy assignment.
17990 (lower_send_clauses): Rename from expand_send_clauses.
17991 If CTX is nested, lookup VAR in the outer context when
17992 building copy assignments.
17993 (lower_send_shared_vars): Rename from expand_send_shared_vars.
17994 If CTX is nested, lookup VAR in the outer context when
17995 building copy assignments.
17996 (expand_parallel_call): Rename from build_parallel_call.
17997 Handle combined parallel+workshare cases.
17998 Re-implement to emit code into the CFG.
18000 (expand_omp_parallel): Re-implement to emit code into the CFG.
18001 Call move_sese_region_to_fn to outline the sub-graph
18002 containing the parallel region.
18003 (expand_omp_for_1): Remove.
18004 (expand_omp_for_generic): Re-implement to emit code into the
18006 (expand_omp_for_static_nochunk): Likewise.
18007 (expand_omp_for_static_chunk): Likewise.
18008 (expand_omp_for): Likewise.
18009 (expand_omp_sections): Likewise.
18010 (remove_exit_barriers): New.
18011 (expand_omp_synch): New.
18013 (build_omp_regions_1): New.
18014 (build_omp_regions): New.
18015 (execute_expand_omp): New.
18016 (gate_expand_omp): New.
18017 (pass_expand_omp): Define.
18018 (lower_omp_sections): Rename from expand_omp_sections.
18019 Set OMP_SECTIONS_SECTIONS.
18020 (lower_omp_single_simple): Rename from expand_omp_single_simple.
18021 (lower_omp_single_copy): Rename from expand_omp_single_copy.
18022 (lower_omp_single): Rename from expand_omp_simple.
18023 (lower_omp_master): Rename from expand_omp_master.
18024 (lower_omp_ordered): Rename from expand_omp_ordered.
18025 (lower_omp_critical): Rename from expand_omp_critical.
18026 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
18027 (lower_omp_for): Re-implement.
18028 (lower_omp_parallel): Re-implement.
18029 (lower_regimplify): Rename from expand_regimplify.
18030 (lower_omp_1): Rename from expand_omp_1.
18031 If there are syntax errors in the program, replace every
18032 OpenMP directive with NOP.
18033 Call lower_omp_* instead of expand_omp_*.
18034 (lower_omp): Rename from expand_omp.
18036 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
18037 * tree-gimple.h (enum omp_parallel_type): Remove.
18038 (gimple_boolify): Declare extern.
18039 (find_omp_clause, determine_parallel_type): Remove.
18041 * gimple-low.c (lower_omp_directive): New.
18042 (lower_stmt): Call it.
18043 (record_vars_into): Move from ...
18044 (record_vars): ... here.
18045 Call record_vars_into with current_function_decl.
18047 * gimplify.c (struct gimplify_ctx): Remove fields
18048 combined_pre_p and combined_ctxp. Update users.
18049 (get_formal_tmp_var): Add documentation.
18050 (gimple_boolify): Make extern.
18051 (gimplify_expr_in_ctx): Remove. Update callers.
18052 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
18053 will always be a BIND_EXPR.
18054 (gimplify_expr): Handle OMP_RETURN_EXPR.
18055 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
18056 (OMP_PARALLEL): Add 3 operands.
18057 (OMP_SECTIONS): Add 1 operand.
18058 (OMP_RETURN_EXPR): Define.
18060 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
18061 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
18062 * tree-iterator.c (alloc_stmt_list): Assert that we are not
18063 creating a circular free list.
18064 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
18066 * tree-flow.h (move_sese_region_to_fn): Declare.
18067 (record_vars_into): Declare.
18068 * tree-cfg.c (make_omp_sections_edges): New.
18069 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
18070 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
18071 OMP_SECTIONS and OMP_SECTION.
18072 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
18073 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
18074 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
18075 (gather_blocks_in_sese_region): New.
18076 (struct move_stmt_d): Declare.
18077 (move_stmt_r): New.
18078 (move_block_to_fn): New.
18079 (move_sese_region_to_fn): New.
18081 * passes.c (init_optimization_passes): Schedule
18082 pass_expand_omp after pass_init_datastructures.
18084 * tree-ssa-operands.c (get_expr_operands): Handle
18085 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
18086 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
18088 2006-01-19 Jeff Law <law@redhat.com>
18090 * tree-vrp.c (extract_range_from_assert): Refine the result range
18091 if the variable referenced by the ASSERT_EXPR has a range and
18092 either the tentative result range or the previous range is a
18095 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18097 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
18099 2006-01-19 Jan Hubicka <jh@suse.cz>
18101 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
18103 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
18105 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
18106 (expand_compound_operation, expand_field_assignment): Fail if the
18107 bit lengths of an extract operation are out of range.
18108 (make_extraction): Compute wanted_inner_mode based on the position
18109 and length of the extraction. Make it extraction_mode for non-constant
18110 positions, and do not modify offset in that case. When generating a
18111 new MEM, use a mode that can hold the extraction while keeping correct
18112 alignment. Remove code that supported MEMs wrapped by USEs.
18113 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
18115 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
18117 * config/s390/s390.md ("Y", "y"): New mode attribute.
18118 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
18119 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
18120 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
18121 "*addsi3_imm_cc", "*addsi3_carry1_cc",
18122 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
18123 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
18124 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
18125 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
18126 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
18127 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
18128 "addsi3", "subsi3"): Insn patterns removed.
18129 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
18130 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
18131 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
18132 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
18133 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
18134 "*sub<mode>3_cconly2"): New insn patterns.
18135 ("addsi3", "subsi3"): New expanders.
18137 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
18139 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
18140 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
18141 existing STMT_VINFO_VECTYPE if available.
18142 (vect_mark_relevant): Add special handling for stmts that are
18143 marked as STMT_VINFO_IN_PATTERN_P.
18144 (vect_analyze_loop): Call vect_pattern_recog.
18145 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
18146 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
18148 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
18149 (vect_recog_func_ptr): New function-pointer type.
18150 * tree-vect-patterns.c: New file.
18151 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
18152 (vect_recog_dot_prod_pattern, vect_pattern_recog):
18153 (vect_pattern_recog_1): New functions.
18154 (vect_pattern_recog_funcs): New array of function pointers.
18156 * tree-vectorizer.h (ternary_op): New enum value.
18157 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
18158 declaration. Revised documentation. Removed redundant dump prints.
18159 Removed redundant argument. Added support for reduction patterns.
18160 (vectorizable_reduction): Added support for reduction patterns.
18161 (vect_transform_stmt): Added support for patterns.
18163 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
18164 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
18165 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
18166 (expand_widen_pattern_expr): New function.
18167 (init_optabs): Initialize new optabs udot_prod_optab,
18169 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
18170 (sdot_prod_optab, udot_prod_optab): Define new optabs.
18171 (expand_widen_pattern_expr): New function declaration.
18172 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
18174 * tree-inline.c (estimate_num_insns_1): Added cases for new
18175 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18176 * tree-pretty-print.c (dump_generic_node): Likewise.
18177 (op_prio): Likewise.
18178 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18179 * tree-ssa-operands.c (get_expr_operands): Added case for
18181 * tree-vect-patterns.c (widened_name_p): New function.
18182 (vect_recog_dot_prod_pattern): Added function implementation.
18183 * tree-vect-transform.c (get_initial_def_for_reduction): Added
18184 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
18185 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
18186 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
18188 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
18189 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
18190 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
18191 (init_optabs): Initialize new optabs widen_ssum_optab,
18193 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
18194 (widen_ssum_optab, widen_usum_optab): Define new optabs.
18195 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
18196 use instead of type of def.
18197 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
18198 function implementation.
18199 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
18200 widen_ssumv8hi): New.
18202 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
18205 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18208 * c-decl.c (add_flexible_array_elts_to_size): New function.
18209 (finish_decl): Use it.
18211 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
18213 * diagnostic.h: Include options.h.
18214 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
18215 dependancies for diagnostic.h.
18216 * Makefile.in (DIAGNOSTIC_H): Add options.h.
18218 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
18220 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
18221 (ssa_ro_call_cache_valid): Ditto.
18222 * tree-ssa-alias.c (sort_tags_by_id): New function.
18223 (init_transitive_clobber_worklist): Ditto.
18224 (add_to_worklist): Ditto.
18225 (mark_aliases_call_clobbered): Ditto.
18226 (compute_tag_properties): Ditto.
18227 (set_initial_properties): Ditto.
18228 (compute_call_clobbered): Ditto.
18229 (compute_may_aliases): Call compute_call_clobbered and grouping.
18230 (compute_flow_sensitive_aliasing): Remove clobbering related code.
18231 (compute_flow_insensitive_aliasing): Grouping now happens in our
18233 (setup_pointers_and_addressables): Remove clobbering related code.
18234 (add_may_alias): Ditto.
18235 (replace_may_alias): Ditto.
18236 (get_nmt_for): Ditto.
18237 (create_global_var):
18238 (is_escape_site): Return an escape_type enumeration.
18239 * tree-flow-inline.h (is_call_clobbered): Global var does not
18240 imply call clobbered.
18241 (mark_call_clobbered): Take a reason for marking this. Remove
18242 marking of globalness, and cache invalidation.
18243 (clear_call_clobbered): Remove cache invalidation code.
18244 * tree-dfa.c (dump_variable): If details is on, dump the reason
18246 * tree-outof-ssa.c (create_temp): Copy escape mask from original
18248 * tree-flow.h (struct ptr_info_def): Add escape mask member.
18249 (struct var_ann_d): Ditto.
18250 (enum escape_type): New.
18251 (mark_call_clobbered): Adjust prototype.
18252 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
18253 are never call clobbered.
18254 Record reasons for escaping.
18255 * tree-ssa-structalias.h (is_escape_site): Update prototype.
18256 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
18257 (ssa_ro_call_cache_valid): Ditto.
18258 (clobbered_v_may_defs): Ditto.
18259 (clobbered_vuses): Ditto.
18260 (ro_call_vuses): Ditto.
18261 (clobber_stats): New.
18262 (init_ssa_operands): Zero out clobber stats.
18263 (fini_ssa_operands): Print out clobber stats.
18264 (get_call_expr_operands): Pass callee fndecl to
18265 add_call_read_ops).
18266 (add_call_clobber_ops): Remove use of cache.
18267 Add use of PURE_CONST information.
18268 (add_call_read_ops): Remove use of cache.
18269 Add use of static not_read information.
18271 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
18273 Introduce TLS descriptors for i386 and x86_64.
18274 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
18275 (TARGET_ANY_GNU_TLS): New macro.
18276 (enum tls_dialect): Added TLS_DIALECT_GNU2.
18277 (struct machine_function): Add tls_descriptor_call_expanded_p.
18278 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
18279 (ix86_current_function_calls_tls_descriptor): Likewise.
18280 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
18281 (override_options): Introduce gnu2 tls dialect.
18282 (ix86_frame_pointer_required): Functions containing TLSCALLs are
18284 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
18286 (legitimize_tls_address): Adjust logic for GNU2 TLS.
18287 (ix86_init_machine_status): Initialize new field.
18288 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
18289 (ix86_tls_module_base): New.
18290 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
18291 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
18292 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
18293 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
18294 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
18295 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
18296 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
18297 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
18298 * config/i386/predicates.md (tls_modbase_operand): New.
18299 (tp_or_register_operand): New.
18301 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
18303 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
18304 (look_for_address_of): Ditto.
18305 (ipa_init): Walk the function decls.
18306 (static_execute): Don't set readonly on FUNCTION_DECL's.
18308 2006-01-18 Roger Sayle <roger@eyesopen.com>
18310 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
18311 for shifts where the source and destination registers are different.
18313 2006-01-18 Paul Brook <paul@codesourcery.com>
18315 Merge from csl-arm-branch.
18316 2005-03-14 Julian Brown <julian@codesourcery.com>
18317 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
18318 (aeabi_llsl): Likewise.
18319 (ashrdi3): Likewise.
18320 (aeabi_lasr): Likewise.
18321 (lshrdi3): Likewise.
18322 (aeabi_llsr): Likewise.
18323 2005-03-10 Julian Brown <julian@codesourcery.com>
18324 * config.gcc: Disable shared libgcc for SymbianOS.
18325 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
18327 2006-01-18 DJ Delorie <dj@redhat.com>
18329 * c-pragma.c (handle_pragma_diagnostic): New.
18330 (init_pragma): Register it.
18331 * doc/extend.texi: Document it.
18333 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
18334 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
18335 (diagnostic_context): Add classify_diagnostic[].
18336 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
18337 as errors if they're overridden to DK_WARNING.
18338 (diagnostic_initialize): Initialize classify_diagnostic[].
18339 (diagnostic_set_kind_override): New.
18340 (diagnostic_report_diagnostic): Check for kind changes.
18341 * opts.c (common_handle_option): Take lang_mask. Update callers.
18342 Handle OPT_Werror_.
18343 * common.opt (Werror=): New.
18344 * doc/invoke.texi: Document -Werror=*
18346 2006-01-18 Jeff Law <law@redhat.com>
18348 * tree-vrp.c (test_for_singularity): Correct test for new
18349 min limit. Use operand_equal_p rather than pointer equality
18350 for testing if new min/max values are equal.
18352 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
18353 using range information until after propagation and folding.
18355 2006-01-18 Richard Henderson <rth@redhat.com>
18356 Aldy Hernandez <aldyh@redhat.com>
18357 Jakub Jelinek <jakub@redhat.com>
18358 Diego Novillo <dnovillo@redhat.com>
18360 * omp-low.c: New file.
18361 * c-omp.c: New file.
18363 2006-01-18 Richard Henderson <rth@redhat.com>
18364 Jakub Jelinek <jakub@redhat.com>
18365 Diego Novillo <dnovillo@redhat.com>
18367 * doc/invoke.texi: Document -fopenmp.
18368 * tree-dump.h (debug_function): Declare.
18369 * hooks.c (hook_bool_tree_bool_false): New function.
18370 (hook_tree_tree_null): Remove.
18371 (hook_tree_tree_tree_null): New.
18372 * hooks.h: Update to match.
18373 * tree-pretty-print.c (debug_tree_chain): New.
18374 (print_generic_expr): Handle TDF_CHAIN.
18375 (dump_generic_node): Handle BLOCK.
18376 Do not abort with incomplete SWITCH_EXPRs.
18377 Do not dump body of an OpenMP directive if TDF_SLIM is given.
18378 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
18379 print space after directive name.
18380 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
18381 Handle OMP_MASTER and OMP_ORDERED.
18382 Handle printing of OMP_BODY just in one place, goto
18383 dump_omp_body in the rest of OMP_* nodes that have
18385 Don't handle clause nodes here. Update omp statements to
18386 use dump_omp_clauses.
18387 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
18388 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
18389 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
18390 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
18391 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
18392 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
18393 Adjust output for GOMP_PARALLEL.
18394 (dump_omp_clauses): New.
18395 (print_declaration): Dump DECL_VALUE_EXPR.
18396 (op_symbol_1): Split out of op_symbol.
18397 (dumping_stmts): Remove. Update all users.
18398 * cgraph.c (cgraph_analyze_queue): New.
18399 (cgraph_add_new_function): New.
18400 * cgraph.h (cgraph_analyze_queue): Declare.
18401 (cgraph_add_new_function): Declare.
18402 (cgraph_lower_function): Remove.
18403 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
18404 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
18405 and TYPE_P nodes in its default clause.
18406 (empty_body_p): New.
18407 (tree_range_check_failed): New.
18408 (build5_stat): New.
18409 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
18410 OMP_CLAUSE_REDUCTION_MERGE,
18411 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
18412 OMP_CLAUSE_PRIVATE_DEBUG,
18413 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
18414 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
18415 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
18416 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
18417 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
18418 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
18419 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
18420 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
18421 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
18422 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
18423 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
18424 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
18425 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
18426 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
18427 (TREE_RANGE_CHECK): New.
18428 (empty_body_p): Declare.
18429 (enum omp_clause_default_kind): New.
18430 (build_string_literal): Declare.
18431 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
18432 (build5_stat, build5): Declare.
18433 * tree-pass.h (TDF_CHAIN): Define.
18434 * tree-pass.h (PROP_gimple_lomp): Define.
18435 (pass_lower_omp): Declare.
18436 * diagnostic.h (debug_tree_chain): Declare.
18437 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
18439 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
18440 * builtins.c (build_string_literal): Make extern.
18441 * gcc.c (include_spec_function): New.
18442 (static_spec_functions): Add it.
18443 (main): Move load of libgomp.spec ...
18444 (LINK_COMMAND_SPEC): ... here.
18445 (link_gomp_spec): New.
18446 (static_specs): Include it.
18447 (LINK_COMMAND_SPEC): Add link_gomp.
18448 (GOMP_SELF_SPECS): New.
18449 (driver_self_specs): Include it.
18450 (switch_matches): Don't mark inline.
18451 (main): Load libgomp.spec.
18452 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
18453 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
18454 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
18455 * tree-gimple.h (enum omp_parallel): Declare.
18456 (determine_parallel_type): Declare.
18457 (omp_firstprivatize_variable): Declare.
18458 (omp_reduction_init): Declare.
18459 (diagnose_omp_structured_block_errors): Declare.
18460 (struct walk_stmt_info): Add want_return_expr.
18461 (struct walk_stmt_info): Add want_bind_expr, want_locations.
18462 (find_omp_clause): Declare.
18463 (insert_field_into_struct): Declare.
18464 (struct walk_stmt_info): Move from tree-nested.c
18465 (walk_stmts): Declare.
18466 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
18468 * cgraphunit.c (cgraph_lower_function): Make static.
18469 (cgraph_finalize_pending_functions): New.
18470 (cgraph_finalize_function): Call it.
18471 (cgraph_finalize_compilation_unit): Likewise.
18472 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
18473 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
18474 (BT_FN_UINT_UINT): New.
18475 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
18476 DEF_FUNCTION_TYPE_VAR_4): Document.
18477 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
18478 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
18479 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
18480 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
18481 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
18482 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
18483 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
18484 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
18485 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
18486 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
18487 into separate files.
18488 (DEF_GOMP_BUILTIN): New.
18489 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
18490 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
18491 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
18492 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
18493 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
18494 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
18495 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
18496 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
18497 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
18498 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
18499 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
18500 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
18501 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
18502 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
18503 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
18504 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
18505 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
18506 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
18507 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
18508 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
18509 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
18510 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
18511 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
18512 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
18513 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
18514 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
18515 * sync-builtins.def: New file, moved from builtins.def.
18516 * omp-builtins.def: New file, moved from builtins.def.
18517 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
18518 * gimple-low.c (lower_function_body): Clear data.
18519 (lower_stmt): Do not handle COMPOUND_EXPR.
18520 Remove call to print_node_brief.
18521 * c-tree.h (c_finish_omp_clauses): New prototype.
18522 (C_DECL_THREADPRIVATE_P): Define.
18523 (lookup_name_no_remap, c_omp_remap_private): Remove
18524 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
18525 (check_for_loop_decls): Update decl.
18526 (lookup_name_no_remap, c_omp_remap_private): Declare.
18527 (build_indirect_ref, build_modify_expr, pushdecl,
18528 pushdecl_top_level): Move to c-common.h.
18529 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
18530 before the switch, but just in the 2 places that need it.
18531 * c-decl.c (diagnose_mismatched_decls): Do not check for
18532 mismatched thread-local attributes when OLDDECL is marked
18533 threadprivate and NEWDECL has no thread-local attributes.
18534 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
18535 (c_gimple_diagnostics_recursively): Rename from
18536 c_warn_unused_result_recursively. Invoke
18537 diagnose_omp_structured_block_errors.
18538 (check_for_loop_decls): Return a singular decl found.
18539 * langhooks.c (lhd_omp_predetermined_sharing): Return
18540 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
18541 (lhd_omp_firstprivatize_type_sizes): New.
18542 (lhd_omp_assignment): New.
18543 (lhd_omp_predetermined_sharing): New.
18544 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
18545 (struct lang_hooks_for_types): Add
18546 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
18547 omp_predetermined_sharing, omp_disregard_value_expr,
18548 omp_private_debug_clause, omp_clause_default_ctor,
18549 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
18550 (c_finish_omp_clauses): New.
18551 (c_finish_bc_stmt): Diagnose break within omp for.
18552 (c_begin_omp_parallel, c_finish_omp_parallel): New.
18553 (build_unary_op): Return error_mark after reporting
18555 (build_modify_expr): Likewise.
18556 * gimplify.c: Include optabs.h and pointer-set.h.
18557 (enum gimplify_omp_var_data): Declare.
18558 (struct gimplify_omp_ctx): Declare.
18559 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
18561 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
18562 (push_gimplify_context, pop_gimplify_context): Allow nesting.
18563 (splay_tree_compare_decl_uid): New.
18564 (new_omp_context): New.
18565 (delete_omp_context): New.
18566 (gimple_add_tmp_var): Call omp_add_variable.
18567 (gimplify_bind_expr): Likewise.
18568 (gimplify_var_or_parm_decl): If omp_notice_variable returned
18569 true, disregard DECL_VALUE_EXPR on the decl if any.
18570 (gimplify_expr_in_ctx): New.
18571 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
18572 omp_add_variable, omp_notice_variable, omp_is_private
18573 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
18574 gimplify_adjust_omp_clauses, gimplify_omp_parallel
18575 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
18576 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
18577 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
18578 gimplify_omp_atomic): New.
18579 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18580 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18581 OMP_CRITICAL and OMP_ATOMIC.
18582 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
18583 * c-pragma.h (enum pragma_kind): Add
18584 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
18585 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
18586 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
18587 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
18588 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
18589 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
18590 PRAGMA_OMP_THREADPRIVATE.
18591 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18592 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18593 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
18594 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
18595 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
18596 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
18597 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
18598 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
18599 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
18600 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
18601 * tree-ssa-dce.c (find_control_dependence): Do not assume that
18602 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
18603 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
18605 (struct nesting_info): Add field_map,
18606 suppress_expansion, debug_var_chain.
18607 (create_nesting_tree): Initialize them.
18608 (lookup_field_for_decl): Use field_map.
18609 (get_nonlocal_debug_decl, get_local_debug_decl): New.
18610 (convert_local_omp_clauses): New.
18611 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
18612 (walk_body): Split out of walk_function.
18613 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
18614 (convert_nonlocal_reference): Handle omp statements.
18615 (convert_local_reference): Likewise.
18616 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
18617 (unnest_nesting_tree): New.
18618 (lower_nested_functions): Call it.
18619 (insert_field_into_struct): Make extern.
18620 (struct walk_stmt_info): Move to tree-gimple.h.
18621 (walk_stmts): Make extern.
18622 * omp-builtins.def: New file.
18623 * tree-iterator.c (expr_only): Clarify comment.
18624 * c-common.h (pushdecl_top_level, pushdecl,
18625 build_modify_expr, build_indirect_ref,
18626 c_finish_omp_master, c_finish_omp_critical,
18627 c_finish_omp_ordered, c_finish_omp_barrier,
18628 c_finish_omp_atomic, c_finish_omp_flush,
18629 c_finish_omp_for, c_split_parallel_clauses,
18630 omp_clause_default_kind, c_omp_sharing_predetermined,
18631 c_omp_remap_decl): Declare.
18632 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
18633 (OBJS-common): Add omp-low.o.
18634 (c-omp.o, omp-low.o): Add.
18635 (gimplify.o): Add dependency on $(OPTABS_H).
18636 (GTFILES): Add omp-low.c.
18637 (gt-stringpool.h): Add.
18638 * tree-cfg.c (set_bb_for_stmt): Do not update the
18639 block-to-labels map if we are currently expanding to RTL.
18640 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
18642 Handle IDENTIFIER_NODE.
18643 (tree_verify_flow_info): Do not ICE when emitting error
18644 messages about invalid labels.
18645 (dump_function_to_file): Reset CFUN before emitting the body
18647 (debug_function): New.
18648 * passes.c (init_optimization_passes): Schedule
18650 * langhooks-def.h (lhd_omp_predetermined_sharing,
18651 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
18653 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
18654 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
18655 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
18656 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
18657 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
18658 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
18659 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
18660 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
18661 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
18662 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
18663 (LANG_HOOK_DECLS): Use them.
18665 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
18666 Richard Henderson <rth@redhat.com>
18667 Jakub Jelinek <jakub@redhat.com>
18668 Diego Novillo <dnovillo@redhat.com>
18670 * c-parser.c (pragma_omp_clause): Define.
18671 (c_parser_declaration_or_fndef): Document OpenMP syntax.
18672 (c_parser_compound_statement): Likewise.
18673 (c_parser_statement): Likewise.
18674 (c_parser_pragma): Handle omp pragmas.
18675 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
18676 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
18677 (c_parser_omp_clause_name, check_no_duplicate_clause,
18678 c_parser_omp_variable_list,
18679 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
18680 c_parser_omp_clause_copyprivate,
18681 c_parser_omp_clause_default,
18682 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
18683 c_parser_omp_clause_lastprivate,
18684 c_parser_omp_clause_nowait,
18685 c_parser_omp_clause_num_threads,
18686 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
18687 c_parser_omp_clause_reduction,
18688 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
18689 c_parser_omp_all_clauses, c_parser_omp_structured_block,
18690 c_parser_omp_atomic, c_parser_omp_barrier,
18691 c_parser_omp_critical, c_parser_omp_flush,
18692 c_parser_omp_for_loop, c_parser_omp_for,
18693 c_parser_omp_master, c_parser_omp_ordered,
18694 c_parser_omp_sections_scope, c_parser_omp_sections,
18695 c_parser_omp_parallel, c_parser_omp_single,
18696 c_parser_omp_construct, c_parser_omp_threadprivate): New.
18697 * c-pragma.c (init_pragma): Do omp pragma registration here.
18698 * c.opt (fopenmp): New flag.
18700 2006-01-18 Eric Christopher <echristo@apple.com>
18702 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
18703 * config/darwin.h (GOMP_SELF_SPECS): Define.
18705 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18707 * rtl.h: Remove the prototype for reg_alloc.
18709 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18712 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
18713 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
18714 sjlj and dwarf2 exception handling.
18715 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
18716 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
18717 * pa/pa.c (function_value): Treat complex and vector types as
18719 (function_arg): Likewise. Only pass scalar floats in the floating
18720 point argument registers.
18721 * pa/t-slibgcc-dwarf-ver: New file.
18722 * pa/t-slibgcc-sjlj-ver: New file.
18723 * pa/t-slibgcc-elf-ver: Delete file.
18725 2006-01-19 Alan Modra <amodra@bigpond.net.au>
18727 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
18728 unlikely_test_section_p test.
18730 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18732 * mode-switching.c (optimize_mode_switching): Make it static.
18733 * basic-block.h: Remove the prototype for
18734 optimize_mode_switching.
18736 * modulo-sched.c (sms_schedule): Make it static.
18737 * rtl.h: Remove the prototype for sms_schedule.
18739 * postreload-gcse.c (gcse_after_reload_main): Make it static.
18740 * rtl.h: Remove the prototype for gcse_after_reload_main.
18742 * reg-stack.c (reg_to_stack): Make it static.
18743 * rtl.h: Remove the prototype for reg_to_stack.
18745 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
18747 * rtl.h: Remove the prototypes for regrename_optimize and
18748 copyprop_hardreg_forward.
18750 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
18752 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
18753 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
18754 Test against the appropriate null constant for the mode.
18755 If 'fixup_overlap' is true, swap the operands if they overlap.
18756 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
18757 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
18758 alpha_split_tmode_pair and adjust for above change.
18759 * config/alpha/alpha.md (movtf_internal): Adjust call to
18760 alpha_split_tfmode_pair and rely on it to swap the operands.
18761 (movti_internal): New insn and post-reload splitter.
18762 (movti): New expander.
18764 2006-01-18 Philippe De Muyter <phdm@macqel.be>
18766 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
18769 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18771 * rtlanal.c (global_reg_mentioned_p_1,
18772 global_reg_mentioned_p): Remove.
18773 * rtl.h: Remove the prototype for global_reg_mentioned_p.
18775 * flow.c (initialize_uninitialized_subregs): Make it static.
18776 * rtl.h: Remove the prototype for
18777 initialize_uninitialized_subregs.
18779 * function.c (instantiate_virtual_regs): Make it static.
18780 * function.h: Remove the prototype for
18781 instantiate_virtual_regs.
18783 * regmove.c (regmove_optimize, combine_stack_adjustments):
18785 * rtl.h: Remove the prototypes for regmove_optimize and
18786 combine_stack_adjustments.
18788 2006-01-17 Roger Sayle <roger@eyesopen.com>
18790 * config/i386/i386.c (COSTS_N_BYTES): New macro.
18791 (size_cost): Encode costs in bytes so that a reg-reg addition is
18792 equivalent to COSTS_N_INSNS(1).
18793 (override_options): Use the size_cost.branch_cost as the default
18794 ix86_branch_cost when optimizing for size.
18796 2006-01-18 Ben Elliston <bje@au.ibm.com>
18798 * Makefile.in (D32PBIT_FUNCS): New.
18799 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
18800 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
18801 D64PBIT_FUNCS and D128PBIT_FUNCS.
18802 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
18803 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
18805 (decnumber_dep): Define.
18806 * doc/libgcc.texi (Decimal float library routines): New node.
18807 * config/dfp-bit.h, config/dfp-bit.c: New files.
18809 2006-01-18 Ben Elliston <bje@au.ibm.com>
18811 * expr.c (emit_move_change_mode): Always adjust addresses, not
18812 just during reload. Copy replacements only during reload.
18813 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
18814 emit_move_via_integer.
18816 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
18818 * Makefile.in (check-%, check-consistency): Use $${srcdir}
18819 instead of $(srcdir) and ${srcdir}.
18821 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
18824 PR middle-end/11135
18825 * arm.h (struct machine_function): Add pic_reg.
18826 * arm.c (arm_pic_register): Make unsigned.
18827 (arm_override_options): Only set arm_pic_register if
18828 TARGET_SINGLE_PIC_BASE.
18829 (use_return_insn): Only test for a pic register if it is fixed.
18830 (arm_compute_save_reg0_reg12_mask): Likewise.
18831 (thumb_compute_save_reg_mask): Likewise.
18832 (legitimate_pic_operand): Factor out some known invariants.
18833 (legitimize_pic_address): If we don't have a fixed pic register,
18834 then set up a pseudo in the function entry sequence. Handle the
18835 pic base being in a pseudo.
18836 (arm_load_pic_register): Handle the pic register being in a pseudo.
18837 (arm_expand_prologue): Only set up the pic register if it is fixed.
18838 (thumb_expand_prologue): Likewise.
18839 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
18840 (pic_load_addr_based_insn): Likewise.
18841 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
18844 2006-01-18 Ben Elliston <bje@au.ibm.com>
18846 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
18847 decimal float modes for all floating point registers.
18849 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
18850 match_code "mem" with match_test "macho_lo_sum_memory_operand".
18852 2006-01-17 Jakub Jelinek <jakub@redhat.com>
18855 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
18856 even when the pointer is not NULL.
18858 2006-01-16 Ian Lance Taylor <ian@airs.com>
18860 * common.opt (ftoplevel-reorder): New option.
18861 * cgraph.c (cgraph_asm_nodes): New global variable.
18862 (cgraph_asm_last_node): New static variable.
18863 (cgraph_order): New global variable.
18864 (cgraph_create_node): Set new order field.
18865 (cgraph_varpool_node): Likewise.
18866 (decide_is_variable_needed): Return true if not
18867 flag_toplevel_reorder.
18868 (cgraph_add_asm_node): New function.
18869 * cgraph.h (struct cgraph_node): Add order field.
18870 (struct cgraph_varpool_node): Add order field.
18871 (struct cgraph_asm_node): Define.
18872 (cgraph_asm_nodes, cgraph_order): Declare.
18873 (cgraph_add_asm_node): Declare.
18874 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
18876 (cgraph_varpool_assemble_pending_decls): Call it.
18877 (cgraph_output_pending_asms): New static function.
18878 (cgraph_finalize_compilation_unit): Call it.
18879 (struct cgraph_order_sort): Define.
18880 (cgraph_output_in_order): New static function.
18881 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
18882 !flag_toplevel_reorder case.
18883 * c-parser.c: Include "cgraph.h".
18884 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
18886 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
18887 than -fno-unit-at-a-time.
18888 * doc/invoke.texi (Option Summary): Mention
18889 -fno-toplevel-reorder.
18890 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
18891 -funit-at-a-time documentation.
18893 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
18894 Kazu Hirata <kazu@codesourcery.com>
18896 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
18898 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
18900 * Makefile.in (FUNCTION_H): New. Use it instead of
18901 function.h throughout the file.
18902 * function.h: Include tree.h.
18904 2006-01-17 Ben Elliston <bje@au.ibm.com>
18906 * recog.c: Separate some functions with whitespace.
18908 2006-01-16 Richard Henderson <rth@redhat.com>
18910 Merge from gomp branch:
18911 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
18912 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
18913 and rename from struct inline_data. Rename callee* to dst*;
18914 caller* to src*; add copy_decl hook, transform_call_graph_edges,
18915 transform_new_cfg, transform_return_to_modify, and
18916 transform_lang_insert_block flags; remove cloning_p, versioning_p,
18918 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
18919 (copy_decl_for_dup): Remove.
18920 * tree-inline.c (struct inline_data): Move to header.
18921 (insert_decl_map): Export.
18922 (remap_decl): Update for member name changes. Use copy_decl hook.
18923 Allow for replacement to be a non-decl. Remove dead code.
18924 (remap_type_1): Check for existing mapping.
18925 (remap_type): Export.
18926 (remap_decls): Update for member name changes.
18927 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
18928 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
18929 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
18930 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
18931 (tree_function_versioning, build_duplicate_type): Likewise.
18932 (copy_body_r): Likewise. Export.
18933 (copy_decl_for_dup): Split into ...
18934 (copy_decl_for_dup_finish, copy_decl_to_var,
18935 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
18936 (replace_ref_tree, inlining_p): Remove.
18938 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18940 * ifcvt.c (if_convert): Make it static.
18941 * rtl.h: Remove the prototype for if_convert.
18943 * local-alloc.c (local_alloc): Make it static.
18944 * rtl.h: Remove the prototype for local_alloc.
18946 * loop.c (loop_optimize): Make it static.
18947 * cfgloop.h: Remove the prototype for loop_optimize.
18950 2006-01-16 DJ Delorie <dj@redhat.com>
18952 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
18955 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18957 * pa.md: Disparage copies between general and floating-point registers
18958 in 32-bit move patterns.
18960 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
18963 * Makefile.in (check-%): Depend on site.exp instead of
18964 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
18967 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18969 * global.c (global_alloc): Make it static.
18970 * rtl.h: Remove the prototype for global_alloc.
18972 2006-01-16 Richard Guenther <rguenther@suse.de>
18974 * tree-ssa-alias.c (struct used_part): Add write_only field.
18975 (get_or_create_used_part_for): Initialize it to true.
18976 (create_overlap_variables_for): Don't create structure variables
18977 for structures that only are written to.
18978 (find_used_portions): Handle MODIFY_EXPR to track whether a
18979 structure is only written to.
18981 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18983 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
18985 * basic-block.h: Remove the prototype for
18986 partition_hot_cold_basic_blocks.
18988 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
18990 * cppspec.c (lang_specific_spec_functions): Remove.
18991 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
18992 * gcc.h (lang_specific_spec_functions): Remove.
18993 * gccspec.c (lang_specific_spec_functions): Remove.
18995 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
18997 * combine.c (record_value_for_reg): Invalidate registers
18999 (record_dead_and_set_regs_1): Likewise, by passing them to
19000 record_value_for_reg.
19001 (record_dead_and_set_regs): Invalidate stores made by a
19002 call. We do not combine across a call, but we still
19003 relied on equivalences.
19005 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
19007 * tree-vrp.c (extract_range_from_binary_expr): Cope with
19008 vrp_int_const_binop returning non-constant nodes.
19010 2006-01-16 Paul Brook <paul@codesourcery.com>
19012 * config/m68k/m68k.c (output_move_const_into_data_reg):
19013 Output correct mnemonic for mvz and mvs.
19015 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
19017 * rtl-factoring.c: Add sequence abstraction algorithm.
19018 * cfgcleanup.c (outgoing_edges_match): Extra checks.
19019 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
19021 (block_has_preserve_label): New function.
19022 * common.opt: Register new pass.
19023 * Makefile.in: Ditto.
19025 * timevar.def: Ditto.
19026 * tree-pass.h: Ditto.
19027 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
19028 * rtl.h (make_jump_insn_raw): Add forward decl.
19029 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
19031 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
19032 Roger Sayle <roger@eyesopen.com>
19034 * fold-const.c (fold_minmax): New static function.
19035 (fold_binary) <MIN_EXPR>: Call it.
19036 <MAX_EXPR>: Likewise.
19037 * stor-layout.c (place_field): Use DECL_SIZE consistently
19038 in the computation of the new record size.
19040 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19042 * cse.c (cse_condition_code_reg): Make it static.
19043 * rtl.h: Remove the prototype for cse_condition_code_reg.
19045 * combine.c (combine_instructions): Make it static.
19046 * rtl.h: Remove the prototype for combine_instructions.
19048 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19051 * tree.c (get_file_function_name_long): Concatenate the first global
19052 object name with a string derived from the input filename of the object
19055 2006-01-16 Ben Elliston <bje@au.ibm.com>
19057 * config/i386/winnt-stubs.c: Update FSF address.
19058 * config/xtensa/ieee754-df.S: Ditto.
19059 * config/xtensa/ieee754-sf.S: Ditto.
19061 2006-01-14 Ian Lance Taylor <ian@airs.com>
19063 * ifcvt.c (noce_init_if_info): New static function, broken out of
19064 noce_process_if_block.
19065 (noce_process_if_block): Call noce_init_if_info.
19066 (check_cond_move_block): New static function.
19067 (cond_move_process_if_block): New static function.
19068 (process_if_block): Call cond_move_process_if_block.
19070 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
19072 * cselib.c (hash_table): Rename to cselib_hash_table.
19073 (cselib_clear_table, discard_useless_values,
19074 remove_useless_values, cselib_lookup_mem, cselib_lookup,
19075 cselib_init, cselib_finish): Adjust uses of hash_table.
19077 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
19079 PR tree-optimization/25485
19080 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
19081 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
19082 is known to be false and true, respectively.
19084 2006-01-14 Richard Guenther <rguenther@suse.de>
19086 PR tree-optimization/22548
19087 PR tree-optimization/22555
19088 PR tree-optimization/22501
19089 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
19090 * params.def (salias-max-array-elements): New parameter.
19091 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
19092 * doc/invoke.texi (salias-max-array-elements): Document.
19093 * tree-flow-inline.h (var_can_have_subvars): We also handle
19095 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
19097 * tree-ssa-structalias.c (params.h): Include.
19098 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
19099 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
19100 (get_constraint_for): For ADDR_EXPR operating on something
19101 containing an ARRAY_REF, add all subvars to the solution.
19102 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
19103 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
19104 for creating MUST_DEFs.
19105 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
19107 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
19109 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
19111 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
19112 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
19113 number_of_iterations_le): New functions.
19114 (number_of_iterations_special): Removed.
19115 (number_of_iterations_exit): Do not use number_of_iterations_special.
19116 * tree.c (unsigned_type_for): Always return integer type.
19118 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
19119 Richard Guenther <rguenther@suse.de>
19121 PR rtl-optimization/24257
19122 * gcse.c (find_moveable_store): Only consider a store movable
19123 when the SET_SRC of the insn can be assigned to a register.
19125 2006-01-14 Ian Lance Taylor <ian@airs.com>
19127 * tree.c (tree_not_class_check_failed): New function.
19128 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
19129 (tree_not_class_check_failed): Declare.
19131 2006-01-13 Ian Lance Taylor <ian@airs.com>
19133 * reload1.c (do_output_reload): Add assertion rejecting a
19136 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
19138 * combine.c (struct reg_stat): Add new fields truncation_label and
19140 (record_value_for_reg): Reset truncated_to_mode.
19141 (record_truncated_value): New function.
19142 (check_promoted_subreg): Call it. Rename to check_conversions.
19143 (combine_instructions): Rename check_promoted_subreg to
19145 (reg_truncated_to_mode): New function.
19146 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
19147 (gen_lowpart_or_truncate): New function.
19148 (force_to_mode): Use it instead of gen_lowpart.
19150 2006-01-13 Diego Novillo <dnovillo@redhat.com>
19152 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
19153 VAR is a tag, not its type tag.
19155 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
19157 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
19158 alternatives to match style of other entries.
19159 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
19161 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
19163 PR tree-optimization/25771
19164 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
19167 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
19170 * tree-inline.c (declare_return_variable): If the return variable
19171 was marked as a non gimple complex, set the return slot variable
19172 to be a non gimple comple variable.
19174 2006-01-13 Richard Guenther <rguenther@suse.de>
19176 * builtins.c (expand_builtin_sincos): New function.
19177 (expand_builtin_mathfn_3): Remove dead code, sin and cos
19179 (expand_builtin): Expand sincos using expand_builtin_sincos.
19181 2006-01-12 DJ Delorie <dj@redhat.com>
19183 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
19184 shift counts, separate SI shifts for m32c vs m16c, pass shift type
19185 so that constant shifts can be split.
19186 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
19187 (m32c_valid_pointer_mode): Make static.
19188 (shift_gen_func_for): New.
19189 (m32c_prepare_shift): Use it. Split large const shifts into
19191 * config/m32c/predicates.md (shiftcount_operand): Allow more
19193 (longshiftcount_operand): New.
19194 * doc/md.texi (Machine Constraints): Document In6.
19196 2006-01-13 Ben Elliston <bje@au.ibm.com>
19198 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
19199 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
19202 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
19204 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
19205 to try to avoid clobbering pieces of structures when we know
19206 something about the whole structure.
19207 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
19209 2006-01-13 Ben Elliston <bje@au.ibm.com>
19211 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
19212 return in memory, as this is no limitation is no longer present.
19214 2006-01-12 DJ Delorie <dj@redhat.com>
19216 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
19217 mova with fb, and for fb+0 -> An.
19219 * config/m32c/mov.md (peephole2): Fix enabling logic.
19221 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
19222 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
19223 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
19224 FINI_ARRAY_SECTION_ASM_OP): Define.
19226 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
19228 (m32c_legitimize_reload_address): New logic to reload FB to An.
19229 (m32c_output_reg_push): Add newline.
19230 (m32c_output_reg_pop): Likewise.
19232 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
19234 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
19236 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
19238 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
19240 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19242 * config/sh/predicates.md (sh_rep_vec): Add parallel to
19245 2006-01-11 Ben Elliston <bje@au.ibm.com>
19247 * rtlanal.c (find_reg_note): Assert insn is not null.
19249 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19251 * df-scan.c (df_hard_reg_init): Move declaration of i outside
19254 2006-01-11 Jeff Law <law@redhat.com>
19256 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
19258 (mark_threaded_blocks, register_jump_thread): New functions.
19259 (thread_through_all_blocks): Remove unwanted argument. No
19260 longer rely on e->aux to communicate thread target info.
19261 Call mark_threaded_blocks. Release the threaded_blocks
19262 bitmap and threaded_edges vector when complete.
19263 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
19264 (threaded_blocks): Remove.
19265 (tree_ssa_dominator_optimize): Remove initialization and
19266 finalization of threaded_blocks. Simplify call to
19267 thread_through_all_blocks.
19268 (thread_across_edge): Call register_jump_thread rather than
19269 storing thread information into e->aux.
19270 (free_all_edge_infos): Simplify now that e->aux is no longer
19271 used to communicate with thread_through_all_blocks.
19272 * tree-flow.h (thread_through_all_blocks): Update prototype.
19273 (register_jump_thread): Prototype.
19275 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19277 * df-core.c (df_compact_blocks, df_bb_replace): Use
19278 SET_BASIC_BLOCK instead of BASIC_BLOCK.
19280 2006-01-11 Richard Guenther <rguenther@suse.de>
19282 PR tree-optimization/25734
19283 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
19284 stop propagation after successful propagation to the LHS.
19286 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19288 * basic-block.h (control_flow_graph): Change the type of
19289 x_basic_block_info to VEC(basic_block,gc) *.
19290 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
19292 (SET_BASIC_BLOCK): New.
19293 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
19294 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
19295 * cfgbuild.c (find_basic_blocks): Likewise.
19296 * cfglayout.c (fixup_reorder_chain): Likewise.
19297 * cfgrtl.c (create_basic_block_structure,
19298 rtl_create_basic_block): Likewise.
19299 * ifcvt.c (find_if_case_1): Likewise.
19300 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
19303 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19305 * Makefile.in: Removed rotted odf.c entry.
19307 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
19310 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
19311 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
19312 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
19313 output pattern modifier, not %e.
19314 * config/cris/cris.c (cris_op_str): Update comment about pattern
19316 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
19317 before falling through into...
19318 <case 'E'>: Redefined from old 'e' case.
19320 2006-01-11 Jan Hubicka <jh@suse.cz>
19323 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
19325 2006-01-11 Jan Hubicka <jh@suse.cz>
19327 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
19328 * i386.c (x86_decompose_lea): Kill.
19329 (ix86_rtx_costs): Kill.
19331 2006-01-11 Jan Hubicka <jh@suse.cz>
19333 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
19334 * cgraph.h (cgraph_node): Add inline_decl.
19335 (cgraph_insert_node_to_hashtable): Declare.
19336 (save_inline_function_body): Declare.
19337 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
19339 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
19340 (cgraph_function_versioning): Update call of tree_function_versioning.
19341 (save_inline_function_body): New function.
19342 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
19343 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
19344 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
19345 (cgraph_default_inline_p): Likewise.
19346 (cgraph_decide_inlining_incrementally): Likewise.
19347 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
19348 (copy_bb): Kill saving; do updating of clones.
19349 (copy_cfg_body): Kill saving.
19350 (initialize_inlined-parameters): Likewise.
19351 (expand_call_inline): Likewise.
19353 (tree_function_versioning): New parameter "update_clones".
19354 (inlining_p): Kill saving.
19355 * tree-inline.h (tree_function_versioning): Update prototype.
19356 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
19359 2006-01-11 Ian Lance Taylor <ian@airs.com>
19361 * combine.c (struct undo): Remove is_int. Enumify types of undos.
19362 Allow undoing set of machine mode.
19363 (do_SUBST): Use enums instead of is_int.
19364 (do_SUBST_MODE): New function.
19365 (SUBST_MODE): New macro.
19366 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
19367 reg and trying to replace reg_regno_rtx with a new register.
19368 (undo_all): Use new enums, handle undoing a PUT_MODE change.
19369 (simplify_set): Use SUBST_MODE.
19370 (distribute_notes): Remove code that tried to update reg notes
19371 for regno_reg_rtx changes.
19373 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
19375 PR tree-optimization/23109
19376 PR tree-optimization/23948
19377 PR tree-optimization/24123
19379 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
19380 * tree-cfg.c (single_noncomplex_succ): New.
19381 * tree-flow.h (single_noncomplex_succ): Declare it.
19382 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19383 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19384 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
19385 insert_bb, register_division_in, insert_reciprocals,
19386 replace_reciprocal, free_bb): New.
19387 (execute_cse_reciprocals_1): Rewritten.
19388 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
19389 Do not commit any edge insertion. Always compute dominators and
19390 create the allocation pool.
19391 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
19392 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
19393 * targhooks.c (default_min_divistions_for_recip_mul): New.
19394 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
19395 * passes.c (init_optimization_passes): Run recip after tree loop
19397 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
19399 2006-01-11 Danny Berlin <dberlin@dberlin.org>
19400 Kenneth Zadeck <zadeck@naturalbridge.com>
19402 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
19403 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
19404 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
19405 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
19406 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
19407 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
19408 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
19409 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
19410 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
19411 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
19412 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
19413 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
19414 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
19415 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
19416 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
19417 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
19418 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
19419 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
19420 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
19421 DF_SCAN_POST_ALLOC): New macros.
19422 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
19423 df_free_bb_function, df_local_compute_function, df_init_function,
19424 df_dataflow_function, df_confluence_function_0,
19425 df_confluence_function_n, df_transfer_function,
19426 df_finalizer_function, df_free_function, df_dump_problem_function,
19427 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
19428 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
19429 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
19430 df_urec_bb_info, ) New types.
19431 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
19433 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
19434 df_analyze_simple_change_some_blocks,
19435 df_analyze_simple_change_one_block, df_compact_blocks,
19436 df_bb_replace, df_bb_regno_last_use_find,
19437 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
19438 df_insn_regno_def_p, df_find_def, df_find_use,
19439 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
19440 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
19441 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
19442 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
19443 debug_df_chain, df_get_dependent_problem, df_chain_create,
19444 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
19445 df_grow_bb_info, df_chain_dump, df_print_bb_index,
19446 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
19447 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
19448 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
19449 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
19450 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
19451 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
19452 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
19453 df_ref_remove, df_insn_refs_delete, df_refs_delete,
19454 df_reorganize_refs, df_set_state, df_hard_reg_init,
19455 df_read_modify_subreg_p) New public functions.
19456 * df-core.c: The core dataflow solver and glue routines for rtl
19458 (df_init, df_add_problem, df_set_blocks, df_finish,
19459 df_hybrid_search_forward, df_hybrid_search_backward,
19460 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
19461 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
19462 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
19463 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
19464 df_reg_defined, df_find_use, df_reg_used, df_dump,
19465 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
19466 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
19467 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
19468 debug_df_useno, reset_df_after_reload): New functions.
19469 * df-scan.c: The scanning fuctions, once in df.c, completely
19470 rewritten so that they now fully model the functionality of
19471 register usage at the backend.
19472 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
19473 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
19474 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
19475 df_grow_insn_info, df_rescan_blocks, df_ref_create,
19476 df_get_artificial_defs, df_get_artificial_uses,
19477 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
19478 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
19479 df_refs_delete, df_reorganize_refs, df_set_state,
19480 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
19481 df_def_record_1, df_defs_record, df_uses_record,
19482 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
19483 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
19484 df_record_exit_block_uses, df_hard_reg_init): New functions.
19486 * df-problems.c: Seven concrete dataflow problems that use the
19487 scanning in df-scan.c and are solved by the engine in df-core.c.
19488 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
19489 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
19490 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
19491 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
19492 df_ru_free_bb_info, df_ru_alloc,
19493 df_ru_bb_local_compute_process_def,
19494 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
19495 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
19496 df_ru_transfer_function, df_ru_free, df_ru_dump,
19497 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
19498 df_rd_free_bb_info, df_rd_alloc,
19499 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
19500 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
19501 df_rd_transfer_function, df_rd_free, df_rd_dump,
19502 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
19503 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
19504 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
19505 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
19506 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
19507 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
19508 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
19509 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
19510 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
19511 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
19512 df_urec_mark_reg_change, df_urec_check_earlyclobber,
19513 df_urec_mark_reg_use_for_earlyclobber,
19514 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
19515 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
19516 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
19517 df_urec_dump, df_urec_add_problem, df_chain_alloc,
19518 df_chain_create_bb_process_use, df_chain_create_bb,
19519 df_chain_finalize, df_chain_free, df_chains_dump,
19520 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
19521 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
19522 df_reg_lifetime): New functions.
19523 * df.c: Deleted file.
19524 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
19525 consistent with new df api.
19526 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
19527 rest_of_handle_sms): Ditto.
19528 * web.c (unionfind_union, union_defs, entry_register, web_main):
19530 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
19531 invariant_expr_equal_p, find_defs, check_dependencies,
19532 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
19533 free_inv_motion_data, move_loop_invariants): Ditto.
19534 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
19535 Update dependencies.
19536 (odf.c): Added defective entry that was deleted later in day.
19537 * sched-deps.c (sched_analyze_1): Ditto.
19539 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
19541 * tree-ssa-operands.c (get_expr_operands): Record addressable
19542 variables directly. Do not call add_stmt_operands for CONST_DECLs
19544 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
19545 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
19547 2006-01-11 Ben Elliston <bje@au.ibm.com>
19549 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
19550 function returns true in the positive case.
19552 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19555 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
19556 for SI, DI, SF and DF modes. Add alternatives to copy between
19557 general and floating point registers to the 32-bit patterns.
19558 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
19559 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
19560 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
19561 generating 64-bit code.
19562 * config/pa/pa.c (output_move_double): Handle copies between general
19563 and floating registers.
19565 2006-01-10 Stuart Hastings <stuart@apple.com>
19567 * config/i386/i386.md (set_got): Update.
19568 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
19569 (builtin_setjmp_receiver): Mach-O support.
19570 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
19571 (GOT_SYMBOL_NAME): Define.
19572 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
19573 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
19574 * config/i386/i386.c (override_options): Revise for Darwin.
19575 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
19576 support. (darwin_x86_file_end): New. (output_set_got): Add label
19577 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
19578 * config/i386/i386-protos.h (output_set_got): Likewise.
19579 * config/darwin.c (machopic_legitimize_pic_address): Update
19582 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
19584 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
19585 when MODE isn't BLKmode.
19587 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
19589 PR rtl-optimization/25367
19590 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
19592 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
19595 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
19596 for a negative bound.
19598 2006-01-10 Richard Guenther <rguenther@suse.de>
19600 * tree-ssa-structalias.c (get_constraint_for_component_ref):
19601 Never override with anything constraint.
19603 2006-01-10 Jan Beulich <jbeulich@novell.com>
19605 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
19606 256 bits when optimize_size.
19608 2006-01-10 Jan Beulich <jbeulich@novell.com>
19610 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
19612 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
19613 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
19616 2006-01-10 Ben Elliston <bje@au.ibm.com>
19618 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
19620 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
19621 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
19622 (USE_FP_FOR_ARG): Reject decimal float modes.
19623 (function_arg_advance): Likewise.
19624 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
19625 (rs6000_handle_altivec_attribute): Do not permit decimal floating
19626 point types in AltiVec vectors.
19627 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
19628 (rs6000_libcall_value): Likewise.
19630 2006-01-09 Bob Wilson <bob.wilson@acm.org>
19632 * config/xtensa/ieee754-df.S: New file.
19633 * config/xtensa/ieee754-sf.S: New file.
19634 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
19635 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
19636 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
19638 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
19640 * config/sh/predicates.md (binary_float_operator,
19641 binary_logical_operator, commutative_float_operator,
19642 equality_comparison_operator, greater_comparison_operator,
19643 less_comparison_operator, logical_operator,
19644 noncommutative_float_operator, shift_operator,
19645 symbol_ref_operand, unary_float_operator): Remove redundant
19648 2006-01-09 Jeff Law <law@redhat.com>
19650 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
19651 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
19652 now unused arguments. Callers updated.
19653 (eliminate_redundant_computations): Remove now unused arguments,
19655 (local_fold): Remove, no longer used.
19656 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
19658 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
19659 (simplify_cond): New function.
19660 (forward_propagate_into_cond): Call simplify_cond.
19662 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
19664 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
19665 (*vec_extractv2di_1_sse): New.
19667 2006-01-09 Ben Elliston <bje@au.ibm.com>
19669 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
19671 2006-01-08 Richard Guenther <rguenther@suse.de>
19673 * tree-ssa-structalias.c (get_constraint_for): Remove
19674 anyoffset argument.
19675 (get_constraint_for_component_ref): Likewise.
19676 (do_deref): Likewise.
19677 (get_constraint_for): Likewise.
19678 (do_structure_copy): Likewise.
19679 (handle_ptr_arith): Likewise.
19680 (find_func_aliases): Likewise. Remove unused need_anyoffset
19683 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
19684 Kaz Kojima <kkojima@gcc.gnu.org>
19686 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
19687 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
19688 (EXTRA_CONSTRAINT_C16): Remove.
19689 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
19690 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
19691 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
19692 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
19693 constants of SHmedia. Handle nested constant expressions of
19695 (andcosts): Fix the costs for SHmedia constants.
19696 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
19697 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
19698 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
19699 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
19700 (movv4hi_i, movv2si_i): Likewise.
19701 (movsi_const): Adjust the second operand of ior so to match with
19702 the Csu constraint.
19703 (movdi_const, movdi_const_32bit): Likewise.
19704 (movdi_const_16bit+1): Don't sign-extend LOW.
19705 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
19707 (*double_shori): Fix the split condition. Use GEN_INT instead
19708 of get_int_mode calls. Mask lower 16-bit of the argument of
19710 (sym2GOTPLT): Remove.
19711 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
19713 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
19714 instead of EXTRA_CONSTRAINT_C16.
19716 2006-01-07 Ian Lance Taylor <ian@airs.com>
19717 David Edelsohn <edelsohn@gnu.org>
19719 PR rtl-optimization/25662
19720 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
19721 for constant operands instead of simplify_gen_binary.
19722 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
19723 after trying simplify_binary_operation
19725 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
19727 * tree.c (iterative_hash_expr): Hash decls based on UID.
19729 2006-01-06 Eric Christopher <echristo@apple.com>
19731 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
19732 (TARGET_UNWIND_EMIT): Fix spelling.
19733 * target.h (gcc_target): Add except_table_label.
19734 * except.c (output_function_exception_table): Use.
19735 * varasm.c (default_emit_except_table_label): New.
19736 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
19738 (asm_out): Add here.
19739 * output.h (default_emit_except_table_label): Prototype.
19740 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
19741 * config/darwin.c (darwin_emit_except_table_label): Define.
19742 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
19744 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
19746 PR tree-optimization/18527
19747 * tree-ssa-loop-niter.c (number_of_iterations_cond,
19748 number_of_iterations_special, number_of_iterations_exit):
19749 Move base and step of an iv to a single structure. Add
19750 no_overflow flag, and use it in # of iterations analysis.
19751 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
19752 folded_casts argument.
19753 (simple_iv): Pass base and step in a structure. Set no_overflow
19755 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
19756 Evaluate expensiveness of computing # of iterations instead of
19757 the final expression.
19758 * tree-scalar-evolution.h (affine_iv): New structure.
19759 (simple_iv): Declaration changed.
19760 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
19761 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
19762 find_givs_in_stmt): Changed due to simple_iv change.
19764 2006-01-06 Jeff Law <law@redhat.com>
19767 * tree-cfg.c (bsi_replace): Rename final argument from
19768 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
19769 change (stmt -> orig_stmt).
19770 * tree-eh.c (verify_eh_throw_stmt_node): New function.
19771 (bsi_remove): Add new argument. Remove EH information
19773 (verify_eh_throw_table_statements): New function.
19774 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
19776 * tree-optimize.c (execute_free_cfg_annotations): Verify
19777 the EH throw statement table after removing annotations.
19778 * except.h (verify_eh_throw_table_statements): Prototype.
19779 * tree-flow.h (bsi_remove): Update prototype.
19780 * tree-vrp.c (remove_range_assertions): Add new argument to
19782 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
19783 * tree-complex.c (expand_complex_div_wide): Likewise.
19784 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
19785 * tree-tailcall.c (eliminate_tailcall): Likewise.
19786 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
19787 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
19788 * tree-nrv.c (tree_nrv): Likewise.
19789 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
19790 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
19791 (combine_blocks): Likewise.
19792 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
19793 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
19794 (cleanup_control_flow): Likewise.
19795 (remove_forwarder_block): Likewise.
19796 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
19797 * tree-sra.c (sra_replace): Likewise.
19798 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
19799 (forward_propagate_single_use_vars): Likewise.
19800 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
19801 * tree-inline.c (expand_call_inline): Likewise.
19802 * tree-vect-transform.c (vect_transform_loop): Likewise.
19803 * tree-outof-ssa.c (rewrite_trees): Likewise.
19804 * tree-cfg.c (make_goto_expr_edges): Likewise.
19805 (cleanup_dead_labels): Likewise.
19806 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
19807 (bsi_move_before, bsi_move_after): Likewise.
19808 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
19809 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
19811 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
19814 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
19816 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
19817 on non gimple variables. Also add checks at the top for decls and
19819 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
19821 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
19822 and IMAGPART_EXPR for creating MUST_DEFs.
19823 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
19824 and NAME_MEMORY_TAG separately from the DECLs.
19826 2006-01-06 Richard Guenther <rguenther@suse.de>
19828 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
19829 annotation, if necessary.
19830 * tree-ssa-pre.c (create_expression_by_pieces): Remove
19831 redundant calls to update_stmt.
19832 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
19835 2006-01-05 Richard Henderson <rth@redhat.com>
19837 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
19839 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19841 * c-typeck.c: Update copyright date.
19843 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19845 * c-typeck.c (build_c_cast): Always warn when casting
19846 from a pointer to an integer of different size, even if
19847 the node was constant.
19849 2006-01-05 Richard Guenther <rguenther@suse.de>
19851 PR tree-optimization/22555
19852 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
19853 if one structure field is an array.
19854 * tree-ssa-operands.c (get_expr_operands): Continue scanning
19855 operands even if we found a subvar, but ignore VOPs in this
19857 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
19859 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
19861 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
19863 PR middle-end/24998
19864 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
19866 2006-01-05 Richard Guenther <rguenther@suse.de>
19867 Diego Novillo <dnovillo@redhat.com>
19869 * tree-pass.h (TODO_remove_unused_locals): Define.
19870 * gimple-low.c (expand_var_p, remove_useless_vars,
19871 pass_remove_useless_vars): Remove. Update all users.
19872 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
19873 (remove_unused_locals): New function.
19874 * tree-flow.h (remove_unused_locals): Declare.
19875 * passes.c (execute_todo): Call remove_unused_locals if
19876 TODO_remove_unused_locals is set.
19877 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
19878 * tree-ssa-dce.c (pass_dce): Likewise.
19879 * tree-outof-ssa.c (pass_del_ssa): Likewise.
19881 2006-01-05 Richard Guenther <rguenther@suse.de>
19883 * tree-flow.h (struct fieldoff): Decompose field to
19884 type, size and decl.
19885 * tree-ssa-alias.c (create_sft): Take type as parameter.
19886 (create_overlap_variables_for): Store type, size and decl
19887 in the fieldoff structure.
19888 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
19889 of struct fieldoff.
19890 (push_fields_onto_fieldstack): Likewise.
19891 (create_variable_info_for): Likewise. Use offset for the
19892 SFT name if the decl is not available.
19894 2006-01-04 Paul Brook <paul@codesourcery.com>
19896 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
19898 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
19900 * lambda-code.c (can_put_in_inner_loop): Relax
19902 (can_put_after_inner_loop): New function.
19903 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
19904 (perfect_nestify): Change to make copies and modify uses.
19906 2006-01-04 Richard Henderson <rth@redhat.com>
19908 Merge from gomp branch:
19909 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
19910 via integer constant.
19911 (pragma_lex): Remove.
19912 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
19913 rather than parsing it.
19914 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
19915 handle_pragma_extern_prefix): Add %< %> quotes.
19916 (registered_pragmas): New.
19917 (c_register_pragma_1): New.
19918 (c_register_pragma): Use it.
19919 (c_register_pragma_with_expansion): Likewise.
19920 (c_invoke_pragma_handler): New.
19921 (init_pragma): Use cpp_register_deferred_pragma directly for
19923 * c-pragma.h (enum pragma_kind): New.
19924 (pragma_handler): New.
19925 (c_invoke_pragma_handler): Declare.
19926 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
19928 * c-common.h (c_common_pch_pragma): Update decl.
19929 * Makefile.in (c-parser.o): Update dependencies.
19930 (GTFILES): Add c-pragma.h.
19931 * c-parser.c (struct c_token): Add pragma_kind.
19932 (struct c_parser): Add in_pragma.
19933 (c_lex_one_token): Always initialize keyword and pragma_kind.
19934 Extract data for CPP_PRAGMA.
19935 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
19936 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
19937 Don't allow CPP_PRAGMA_EOL if in_pragma.
19938 (c_parser_consume_pragma): New.
19939 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
19940 (c_parser_skip_to_end_of_parameter): Likewise.
19941 (c_parser_skip_to_end_of_block_or_statement): Likewise.
19942 (c_parser_skip_to_pragma_eol): New.
19943 (c_parser_external_declaration): Handle CPP_PRAGMA.
19944 (c_parser_compound_statement_nostart): Likewise.
19945 (c_parser_statement_after_labels): Likewise.
19946 (c_parser_pragma): New.
19947 (pragma_lex): Likewise.
19948 (c_parser_pragma_pch_preprocess): New.
19949 (c_parser_new): Merge into ...
19950 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
19952 2006-01-04 Jeff Law <law@redhat.com>
19955 * tree-cfg.c (bsi_replace): Remove the original statement
19956 from the EH throw statement table.
19958 2006-01-04 Jakub Jelinek <jakub@redhat.com>
19960 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
19961 make the prototype extern "C" and add throw ().
19964 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
19965 and pos non-negative and pos + len <= 32.
19966 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
19967 drop pos + len < HOST_BITS_PER_WIDE_INT test.
19968 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
19971 * c-common.c (handle_vector_size_attribute): Reject zero vector size
19972 as well as sizes not multiple of component size.
19975 * function.c (instantiate_expr): New function.
19976 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
19977 walk its DECL_VALUE_EXPR with instantiate_expr.
19979 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
19980 DW_OP_deref{,_size} if address isn't going to be added.
19982 2006-01-04 Ben Elliston <bje@au.ibm.com>
19984 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
19985 * config/fp-bit.c: Likewise.
19987 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
19989 * dominance.c: Add comment about why we use DFS numbering
19992 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19993 Richard Henderson <rth@redhat.com>
19995 Merge from gomp-branch:
19996 * varasm.c (assemble_variable): Handle thread-local COMMON data.
19997 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
19999 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
20001 PR rtl-optimization/25578
20002 * combine.c (combine_simplify_rtx, force_to_mode): Don't
20003 pass a parameter to simplify_shift_const if changing ASHIFTRT
20006 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
20008 * builtins.c (get_builtin_sync_mem): New function.
20009 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
20010 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
20011 Call get_builtin_sync_mem to generate mem rtx.
20013 2006-01-03 Richard Guenther <rguenther@suse.de>
20016 * stmt.c (add_case_node): Make sure to clear overflow flags
20019 2006-01-03 Jakub Jelinek <jakub@redhat.com>
20021 Merge from gomp-branch.
20022 * config/sparc/sync.md: New file.
20023 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
20024 UNSPECV_LDSTUB): New constants.
20025 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
20026 * config/sparc/predicates.md (memory_reg_operand): New predicate.
20027 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
20030 2006-01-03 Roger Sayle <roger@eyesopen.com>
20032 * combine.c (reg_subword_p): New predicate to test whether the
20033 destination of a set refers to a subword/piece of a register.
20034 (try_combine): Generalize the code to merge the setting of a
20035 pseudo to a constant followed by a set of a subword of that
20036 register to a constant.
20038 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
20040 * basic-block.h (control_flow_graph): Change the type of
20041 x_label_to_block_map to VEC(basic_block,gc) *.
20042 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
20043 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
20045 * tree-ssa-propagate.c (cfg_blocks): Change the type to
20046 VEC(basic_block,heap) *.
20047 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
20048 ssa_prop_fini): Adjust the uses of cfg_blocks.
20050 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
20052 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
20054 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
20055 hashing trees instead of a pointer hash.
20056 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
20057 compare for MEM_EXPR.
20059 PR rtl-optimization/25130
20060 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
20061 when comparing MEMs for GCSE
20063 2006-01-03 Ben Elliston <bje@au.ibm.com>
20065 * targhooks.h (default_decimal_float_supported_p): Declare.
20066 * targhooks.c (default_decimal_float_supported_p): Define.
20067 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
20068 `default_decimal_float_supported_p'.
20069 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
20071 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
20073 * combine.c (apply_distributive_law <SUBREG>): Check
20074 TRULY_NOOP_TRUNCATION.
20076 2006-01-02 Geoffrey Keating <geoffk@apple.com>
20078 * dwarf2out.c (have_switched_text_section): Delete.
20079 (have_multiple_function_sections): New.
20080 (have_location_lists): Make 'bool'.
20081 (add_AT_loc_list): Use 'true' not '1'.
20082 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
20083 (output_loc_list): Use have_multiple_function_sections.
20084 (output_ranges): Likewise.
20085 (dwarf2out_begin_function): Set have_multiple_function_sections if
20087 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
20088 Check function_section rather than DECL_SECTION_NAME.
20089 (dwarf2out_finish): Use have_multiple_function_sections.
20090 Don't clear have_location_lists.
20092 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
20093 Jan Hubicka <jh@suse.cz>
20095 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
20096 case of conditional jump jumping to the next instruction.
20097 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
20098 cases of conditional jump jumping to the next instruction.
20100 2006-01-02 Jan Hubicka <jh@suse.cz>
20102 * i386.c (*_cost): Add COSTS_N_INSNS.
20103 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
20105 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
20108 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
20110 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
20112 * config/arm/arm.c (all_fpus): Fix comment typo.
20113 * config/darwin.c: Likewise.
20114 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
20115 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
20116 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
20118 2006-01-01 David Edelsohn <edelsohn@gnu.org>
20120 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
20121 (rs6000_split_compare_and_swapqhi): New.
20122 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
20123 (sync_compare_and_swapqhi_internal): New.
20124 * config/rs6000/rs6000-protos.h: Declare.