1 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
3 * config/i386/i386.md (R10_REG): New constant.
4 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
5 (ix86_emit_restore_regs_using_mov): Ditto.
6 (ix86_expand_call): Ditto.
7 (x86_output_mi_thunk): Ditto. Also use R10_REG.
9 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
11 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
12 * alias.c (canon_true_dependence): Update comment.
14 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
16 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
17 at the end of a diagnostics message.
19 * alloc-pool.c (pool_free): Postpone clearing the pool entry
20 until after asserting that it was allocated in the right pool.
22 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
23 successor edge information as well. Make output of live regs
24 on exit consistent with live regs on entry.
26 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
29 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
30 insn patterns for TARGET_80387.
31 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
32 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
33 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
34 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
35 Generate truncxf<mode>2 insn patterns for strict SSE math.
37 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
39 * config/i386/i386.md (movsf_1): Enable pattern for standard
40 80387 constants before reload when optimizing for size.
41 (*movdf_nointeger, *movdf_integer): Ditto.
42 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
43 80387 constants before reload when not optimizing for size.
45 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
46 extension of XFmode input operands.
48 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
50 * config/spu/crt0.c (__dso_handle): Define.
52 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
54 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
55 when clearing the used flags.
57 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
59 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
61 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
64 * config/spu/spu.md (extend_compare<mode>): New pattern.
65 (extend_compare): Change to expand and use the above pattern.
67 2006-11-29 Janis Johnson <janis187@us.ibm.com>
69 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
71 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
72 (DFP_INIT_ROUNDMODE): Define.
73 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
74 * mklibgcc.in: Fix dependencies for dfp-bit.c.
76 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
78 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
80 (associate_line_notes_with_blocks): Kill.
81 (extend_bb): Remove basic block argument, put void instead.
82 Remove line number handling for each bb.
83 (save_line_notes): Kill.
84 (restore_line_notes): Kill.
85 (sched_init): Remove line_note_head initialization.
86 Change extend_bb call.
87 (sched_finish): Remove free of line_note_head.
88 (add_block): Change extend_bb call.
89 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
90 rm_line_notes and restore_line_notes calls.
91 (schedule_ebbs): Remove rm_redundant_line_notes.
92 * sched-int.h (struct haifa_insn_data): Remove line_note.
93 (save_line_notes): Remove declaration.
94 (restore_line_notes): Remove declaration.
95 * modulo-sched.c (loop_canon_p): Update debug info printing
96 by using insn locators instead of line note.
97 (sms_schedule): Update debug info printing, by using insn
98 locators instead of line note.
99 * sched-rgn.c (debug_dependencies): Remove handling of case
100 n>0 (line number), since it's a dead code.
101 (schedule_region): Remove save_line_notes and
102 restore_line_notes calls.
104 2006-11-29 Joseph Myers <joseph@codesourcery.com>
106 * config/rs6000/predicates.md (gpc_reg_operand): Check
108 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
109 SImode subregs of SPE vectors.
110 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
111 * jump.c (true_regnum): Require subregs to satisfy
112 subreg_offset_representable_p.
114 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
115 Steven Bosscher <stevenb.gcc@gmail.com>
117 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
118 since it no longer exists.
120 2006-11-29 Duncan Sands <baldrick@free.fr>
122 PR tree-optimization/23744
123 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
125 2006-11-29 Duncan Sands <baldrick@free.fr>
127 PR tree-optimization/23744
128 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
130 2006-11-29 Duncan Sands <baldrick@free.fr>
132 PR tree-optimization/23744
133 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
135 2006-11-29 Jie Zhang <jie.zhang@analog.com>
137 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
139 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
141 * sh.opt (minline-ic_invalidate): New option.
142 (musermode): Adjust comment.
143 * sh.c (sh_initialize_trampoline): Emit library call unless
144 is set; if it is set, don't emit library call if we can use icbi
146 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
147 icbi for TARGET_SH4_300.
148 * t-sh (LIB1ASMFUNCS_CACHE): Set.
149 * doc/invoke.texi: Document -minline-ic_invalidate; Update
150 -musermode documentation.
152 2006-11-29 Jim Tison <jtison@us.ibm.com>
154 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
155 __gthread_recursive_mutex_init): Define.
157 2006-11-29 Joseph Myers <joseph@codesourcery.com>
159 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
160 STRICT_ALIGNMENT and the type is more aligned than the saved
161 registers, copy via a temporary.
163 2006-11-28 Andrew Pinski <pinskia@gmail.com>
166 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
169 2006-11-28 Bob Wilson <bob.wilson@acm.org>
171 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
173 2006-11-28 Jan Hubicka <jh@suse.cz>
175 Privatize SSA variables into gimple_df.
177 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
178 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
179 gimple_nonlocal_all): New accessors.
180 (first_referenced_var): Update.
181 (mark_stmt_modified): Update.
182 (is_call_clobbered): Update.
183 (mark_call_clobbered): Update.
184 (clear_call_clobbered): Update.
185 (mark_non_addressable): Update.
186 * tree-vrp.c (get_value_range): Update.
187 * tree-into-ssa.c (in_ssa_p): Kill.
188 (get_default_def_for): Update.
189 (rewrite_into_ssa): Update.
190 * tree-complex.c (init_parameter_lattice_values): Update.
191 (update_complex_assignment): Update.
192 (update_parameter_components): Update.
193 (expand_complex_libcall): Update.
194 (expand_complex_operations_1): Update.
195 * tree-tailcall.c (arg_needs_copy_p): Update.
196 (add_virtual_phis): Update.
197 (tree_optimize_tail_calls_1): Update.
198 * tree-ssa-dse.c (memory_ssa_name_same): Update.
199 * tree-ssa-copyrename.c
200 (copy_rename_partition_coalesce): Update.
201 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
202 * tree-ssa-propagate.c (set_rhs): Update.
203 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
204 addressable_vars, global_var):Kill.
205 (set_initial_properties): Update.
206 (init_alias_info): Update.
207 (finalize_ref_all_pointers): Update.
208 (setup_pointers_and_addressables): Update.
209 (maybe_create_global_var): Update.
210 (create_global_var): Update.
211 (dump_points_to_info): Update.
212 * function.h (struct gimple_df): Forward declare.
213 (struct function): Add GIMPLE_DF field.
214 * gimplify.c (force_gimple_operand): Update.
215 * tree-dfa.c (referenced_vars, default_defs): KIll.
216 (make_rename_temp): Update.
217 (dump_variable): Update.
218 (referenced_var_lookup): Update.
219 (referenced_var_check_and_insert): Update.
220 (default_def): Rename to ...
221 (gimple_default_def): ... this one; accept cfun argument.
222 (set_default_def): Update.
223 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
224 (cleanup_control_flow): Update.
225 * tree-ssa-pre.c (compute_avail): Update
226 * tree-ssa-live.c (calculate_live_on_entry): Update.
227 * tree-ssa.c (verify_use): Update.
228 (verify_call_clobbering): Update.
229 (verify_call_clobbering): Update.
230 (init_tree_ssa): Update.
231 (delete_tree_ssa): Update.
232 * tree-outof-ssa.c (coalesce_ssa_name): Update.
233 (rewrite_out_of_ssa): Update.
234 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
235 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
237 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
238 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
239 addressable_vars, aliases_computed_p): Kill.
240 (default_def): Rename to...
241 (gimple_default_def): ... this one.
242 (defaule_def_fn): Kill.
243 (num_referenced_vars, ssa_names, num_ssa_names): Update.
244 * tree-ssa-structalias.c (nonlocal_all): Kill.
245 (get_constraint_exp_from_ssa_var): Update.
246 (create_nonlocal_var): Update.
247 (get_constraint_for): Update.
248 (update_alias_info): Update.
249 (find_global_initializers): Update.
250 (intra_create_variable_infos): Update.
251 (intra_create_variable_infos):
252 (find_what_p_points_to): Update.
253 (init_alias_heapvars): Update.
254 * tree-cfg.c (remove_bb): Update.
255 (gimplify_val): Update.
256 * tree-ssa-reassoc.c (get_rank): Update.
257 (init_reassoc): Update.
258 * tree-ssanames.c: Do not include gt-tree-ssanames.h
259 (ssa_names, free_ssanames): Kill.
260 (init_ssanames): Update.
261 (make_ssa_name): Update.
262 (release_ssa_name): Update.
263 (release_defs): Update.
264 (replace_ssa_name_symbol): Update.
265 * tree-ssa-operands.c (access_can_touch_variable): Update.
266 (add_virtual_operand): Update.
267 (add_call_clobber_ops): Update.
268 (add_call_read_ops): Update.
269 (get_call_expr_operands): Update.
270 (get_asm_expr_operands): Update.
272 2006-11-28 Jan Hubicka <jh@suse.cz>
274 * builtins.c: Include tree-flow.h.
275 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
276 assignment; convert memmove to memcpy for sizes greater than 1 where
277 alignment of operands prohibit the partial overlap.
279 2006-11-28 Jan Hubicka <jh@suse.cz>
281 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
282 * cgraph.c (dump_cgraph_node): Dump stack usage.
283 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
284 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
285 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
286 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
287 (cgraph_check_inline_limits): Limit stack growth.
288 * cfgexpand.c: Include tree-inline.h.
289 (account_stack_vars): New function.
290 (expand_one_var): New param to just account the stack; return estimated
292 (expand_used_vars_for_block): Update call of expand_one_var.
293 (account_used_vars_for_block): New function.
294 (estimated_stack_frame_size): Likewise.
295 (init_vars_expansion, fini_vars_expansion): Break out from..
296 (expand_used_vars): ... here.
297 * tree-inline.h (estimated_stack_frame_size): Declare.
298 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
300 2006-11-28 Richard Guenther <rguenther@suse.de>
302 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
303 unsigned long for printing OBJECT_SIZE.
305 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
307 * alias.c (init_alias_analysis): Remove simplification loop
308 after propagating pointers.
310 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
312 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
315 2006-11-27 Bob Wilson <bob.wilson@acm.org>
317 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
319 2006-11-27 Roger Sayle <roger@eyesopen.com>
320 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
322 * c-common.c (constant_fits_type_p): Delete.
323 (unsigned_conversion_warning): Delete.
324 (conversion_warning): Integrate Wconversion warning from
325 unsigned_conversion_warning.
326 (convert_and_check): Integrate Woverflow warning from
327 unsigned_conversion_warning. Reorganize and simplify to avoid
328 dependence upon the middle-end setting TREE_OVERFLOW on integral
329 conversions, by using int_fits_type_p directly.
331 2006-11-27 Tobias Burnus <burnus@net-b.de>
333 * doc/invoke.texi: Fixed typo.
335 2006-11-27 Michael Matz <matz@suse.de>
336 Andreas Krebbel <krebbel1@de.ibm.com>
339 * config/s390/predicates.md (larl_operand): Check addend of larl
340 operand to be in range of -/+2GB.
341 * config/s390/s390.c (legitimize_pic_address): Likewise.
342 Changed type of variable even to HOST_WIDE_INT.
344 2006-11-27 Jan Hubicka <jh@suse.cz>
346 * expr.c (emit_block_move_via_libcall): Export.
347 (clear_storage_via_libcall): Rename to ...
348 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
349 (clear_storage): Update to set_storage_via_libcall.
350 * expr.h (emit_block_move_via_libcall): Declare
351 * config/i386/i386.h (stringop_alg): New enum.
352 (MAX_STRINGOP_ALGS): New constant.
353 (stringop_algs): New struct.
354 (processor_costs): Add memcpy/memset descriptors.
355 (TARGET_REP_MOVEL_OPTIMAL): Remove.
356 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
357 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
359 * config/i386/i386.opt (minline-stringops-dynamically,
360 mstringop-strategy): New
362 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
363 (ix86_expand-clrmem): Rename to ...
364 (ix86_expand_setmem): ... this one; update prototype.
365 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
366 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
367 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
368 nocona_cost, core2_cost, generic_cost, generic64_cost,
369 generic32_cost): Add memcpy/memset descriptors.
370 (x86_rep_movl_optimal): Remove.
371 (stringop_alg): New static variable.
372 (ix86_expand_aligntest): Handle predictions.
373 (override_options): Add strgop_alg handling.
374 (predict_jump): New function.
375 (scale_counter): New function.
376 (expand_set_or_movmem_via_loop): New function.
377 (expand_movmem_via_rep_mov): New function.
378 (expand_setmem_via_rep_stots): New function.
379 (emit_strmov): New function.
380 (expand_movmem_epilogue): New function.
381 (expand_setmem_epilogue_via_loop): New function.
382 (expand_setmem_epilogue): New function.
383 (expand_movmem_prologue): New function.
384 (expand_setmem_prologue): New function.
385 (decide_alg): New function.
386 (decide_alignment): New function.
387 (ix86_exand_movmem): Rewrite.
388 (promote_duplicated_reg): New function.
389 (ix86_expand_clrmem): Rename to ...
390 (ix86_expand_setmem): ... this one. Rewrite.
392 * invoke.texi (minline-stringops-dynamically): New command line option.
393 (mstringop-strategy): Likewise.
395 2006-11-27 Jan Hubicka <jh@suse.cz>
397 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
398 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
399 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
400 * insn-notes.def (FUNCTION_END): Remove.
401 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
402 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
404 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
405 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
406 * cfglayout.c (duplicate_insn_chain): Don't worry about
409 2006-11-27 Richard Guenther <rguenther@suse.de>
410 Zdenek Dvorak <dvorakz@suse.cz>
412 * target.h (struct gcc_target): Add builtin_vectorized_function
414 * target-def.h (TARGET_VECTORIZE): Likewise.
415 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
416 Document new target hook.
417 * targhooks.h (default_builtin_vectorized_function): Declare.
418 * targhooks.c (default_builtin_vectorized_function): Define.
419 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
420 (vectorizable_call): Declare.
421 * tree-vect-analyze.c (vect_analyze_operations): Call
423 * tree-vect-transform.c (vectorizable_function): New static function.
424 (build_vectorized_function_call): Likewise.
425 (vectorizable_call): New function.
426 (vect_transform_stmt): Handle vectorizable calls.
428 2006-11-27 Richard Guenther <rguenther@suse.de>
431 * builtins.c (expand_builtin_pow): Optimize non integer valued
432 constant exponents using sqrt or cbrt if possible. Always fall back
433 to expanding via optabs.
435 2006-11-27 Ira Rosen <irar@il.ibm.com>
437 PR tree-optimization/22372
438 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
439 the type of the base address.
440 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
441 it in the data-ref pointer creation.
442 (vect_init_vector): Add an argument, type of the init vector. Use it in
444 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
445 (get_initial_def_for_reduction): Likewise.
446 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
448 (vectorizable_assignment, vect_permute_store_chain): Likewise.
449 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
450 correct type in stmt creation.
451 (vect_setup_realignment): Use the correct type in stmt creation.
452 (vect_permute_load_chain): Change type of MODIFY_EXPR to
454 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
455 of MODIFY_EXPR to void_type_node.
456 (vectorizable_condition): Change type of MODIFY_EXPR to
458 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
461 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
464 2006-05-08 Uros Bizjak <uros@kss-loka.si>
465 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
466 standard 80387 constants, raise the cost to prevent
467 compress_float_constant() to generate load from memory.
469 * config/i386/i386.md: Add new splitter pattern to split
470 float_extended load of constant from constant pool into
473 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
475 * doc/install.texi: Move GMP/MPFR configure options from Fortran
476 section to general section. Remove documentation for
477 --with-mpfr-dir and --with-gmp-dir, add documentation for
478 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
481 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
483 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
485 * testsuite/gcc.dg/ipa/ipa-6.c: New.
487 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
489 PR tree-optimization/29122
490 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
491 for the new version. Assign NULL to DECL_RTL of the new version.
493 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
495 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
497 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
499 * cse.c (cse_altered): Remove.
500 (record_jump_equiv): Make true/false argument a bool instead
502 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
503 where appropriate. Emit a new jump before the existing one
504 instead of after so that delete_insn_and_edges removes the
505 dead edges properly. Check any_condjump_p before calling
507 (cse_basic_block): Check any_condjump_p before calling
509 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
511 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
513 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
514 -ffixed-line-length-* options.
516 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
518 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
519 (fprem1xf4): Rename to fprem1xf4_i387.
521 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
522 Rename patterns to fmod<mode>3. Use general_operand operand
523 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
524 patterns for SSE math.
525 (remaindersf3, remainderdf3): Ditto.
527 2006-11-25 Joseph Myers <joseph@codesourcery.com>
529 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
530 inside start_sequence / end_sequence pair.
532 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
534 * jump.c (mark_all_labels): Work in cfglayout mode.
535 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
536 when in cfglayout mode, because there are no dead jumptables
538 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
540 (commit_edge_insertions): Do not allow insertion of instructions
541 with control flow insns when in cfglayout mode.
543 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
545 * tree-vrp.c (execute_vrp): Do not pass loops structure through
547 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
548 unswitch_loop): Ditto.
549 * tree-loop-linear.c (linear_transform_loops): Ditto.
550 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
551 tree_ssa_lim): Ditto.
552 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
553 free_numbers_of_iterations_estimates): Ditto.
554 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
555 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
556 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
557 remove_path, add_loop, loopify, unloop, fix_loop_placements,
558 place_new_loop, duplicate_loop, duplicate_subloops,
559 update_single_exit_for_duplicated_loops, copy_loops_to,
560 duplicate_loop_to_header_edge, create_preheaders,
561 force_single_succ_latches, loop_version, fix_loop_structure):
563 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
564 tree_unroll_loop): Ditto.
565 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
566 * tree-scalar-evolution.c (select_loops_exit_conditions,
567 scev_initialize, scev_analysis): Ditto.
568 * tree-scalar-evolution.h (scev_initialize): Ditto.
569 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
570 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
571 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
572 * modulo-sched.c (sms_schedule): Ditto.
573 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
574 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
575 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
576 * ifcvt.c (if_convert): Ditto.
577 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
578 canonicalize_loop_induction_variables,
579 canonicalize_induction_variables,
580 tree_unroll_loops_completely, remove_empty_loops): Ditto.
581 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
582 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
583 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
584 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
585 tree_ssa_loop_done): Ditto.
586 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
587 estimate_bb_frequencies): Ditto.
588 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
589 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
590 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
591 decide_unrolling_and_peeling, peel_loop_completely,
592 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
593 peel_loop_simple, unroll_loop_stupid): Ditto.
594 * loop-doloop.c (doloop_optimize_loops): Ditto.
595 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
596 * loop-invariant.c (move_loop_invariants): Ditto.
597 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
598 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
599 tree_ssa_prefetch_arrays): Ditto.
600 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
602 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
603 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
604 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
605 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
606 verify_loop_structure): Ditto.
607 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
608 canonicalize_induction_variables, tree_unroll_loops_completely,
609 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
610 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
611 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
612 tree_unroll_loop, linear_transform_loops): Declaration changed.
613 * basic-block.h: Remove declaration of struct loops.
614 * cfghooks.h (struct cfg_hooks): Change type of
615 cfg_hook_duplicate_loop_to_header_edge.
616 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
617 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
618 vect_transform_loop): Declaration changed.
619 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
620 * cfgloop.h (flow_loops_dump, fix_loop_structure,
621 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
622 cancel_loop_tree, create_preheaders, force_single_succ_latches,
623 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
624 loopify, loop_version, remove_path, unswitch_loops,
625 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
628 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
630 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
631 (X87MODEF): New mode macro.
632 (ssemodefsuffix): New mode attribute.
633 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
634 (sqrt_extend<mode>xf2_i387): New insn pattern.
635 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
636 insn and truncate result back to original mode using
637 UNSPEC_TRUNC_NOOP truncation.
638 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
639 ssemodefsuffix mode attribute.
640 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
641 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
642 (*sqrtextenddfxf2_i387): Remove insn patterns.
644 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
647 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
649 2006-11-24 Jakub Jelinek <jakub@redhat.com>
652 * c-tree.h (c_maybe_initialize_eh): New prototype.
653 * c-decl.c (finish_decl): Move EH initialization...
654 (c_maybe_initialize_eh): ... here. New function.
655 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
656 if not #pragma omp atomic.
659 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
660 or UNION_TYPE inner types.
662 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
665 * ipa-pure-const.c (check_tree): If the original tree
666 is volatile return early and say the function is not pure
667 nor const. Remove the volatile check for writes.
668 (analyze_function): Print out the result of the local
671 2006-11-24 Joseph Myers <joseph@codesourcery.com>
673 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
675 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
676 * config/rs6000/rs6000.c (rs6000_override_options): Use
677 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
680 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
682 * config/s390.c (s390_emit_compare_and_swap): New function.
683 (s390_expand_cs_hqi, s390_expand_atomic): Call
684 s390_emit_compare_and_swap.
686 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
688 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
690 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
694 * c-common.c (conversion_warning): New.
695 (convert_and_check): Call conversion_warning unless there is an
697 * doc/invoke.texi (-Wconversion): Update description.
699 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
701 * tree-ssa-alias.c (tree_pointer_compare): New function.
702 (compact_name_tags): New function.
703 (group_aliases): Call compact_name_tags.
705 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
707 * real.h (real_isinteger): Declare.
708 * real.c (real_isinteger): Define.
709 * builtins.c (integer_valued_real_p): Use it.
711 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
714 * c.opt (Wtraditional-conversion): New.
715 (Wconversion): Update description.
716 * c-typeck.c (convert_arguments): Warnings for prototypes causing
717 type conversions different from what would happen in the absence
718 of prototype are now handled by Wtraditional-conversion.
719 * doc/invoke.texi (Wtraditional-conversion): New.
720 (Wconversion): Update description.
721 * doc/trouble.texi (Wconversion): Replace Wconversion by
722 Wtraditional-conversion.
724 2006-11-23 Andrew Pinski <pinskia@gmail.com>
726 * predict.c (tree_estimate_probability): Check to make
727 sure current_loops is non null before calling flow_loops_dump.
729 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
731 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
733 2006-11-23 David Ung <davidu@mips.com>
735 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
737 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
738 (ASM_SPEC): Pass along -mfp32 and -mfp64.
739 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
740 high part of FP register when in 64-bit FP register mode. Similarly
741 use gen_mfhc1 to load high part of FP register.
742 (override_options): Allow -mgp32 and -mfp64 combination if
743 ISA_HAS_MXHC1 (currently for O32 only).
744 (mips_cannot_change_mode_class): If floating-point registers are
745 bigger than word size. disallow conversion of float register from a
746 large integer mode to a float mode smaller than the float register
748 (mips_class_max_nregs): Handle float registers case seperately.
749 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
751 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
752 (movdf_hardfloat_32bit): Similarly.
753 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
754 support a full 64-bit fpu.
755 (mthc1): New pattern to generate MTHC1 instruction.
756 (mfhc1): New pattern to generate MFHC1 instruction.
757 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
758 option for the MIPS32R2 and mention its use under O32 ABI.
760 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
762 * var-tracking.c (emit_note_insn_var_location): Take care not to
763 cause verify_flow_info failures.
765 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
767 * tree-ssa-structalias.c: Remove edge weights in favor of just
768 processing them as complex constraints.
769 (struct constraint_graph): Remove weighted succs and preds. Rename
770 nonweighted succs and preds.
771 (constraint_edge): Removed.
772 (constraint_edge_t): Ditto.
773 (constraint_edge_pool): Ditto.
774 (new_constraint_edge): Ditto.
775 (constraint_edge_equal): Ditto.
776 (constraint_edge_less): Ditto.
777 (constraint_edge_vec_find): Ditto.
778 (erase_self_graph_edge): Ditto.
779 (add_graph_edge): Removed.
780 (get_graph_weights): Ditto.
781 (allocate_graph_weights): Ditto.
782 (valid_weighted_graph_edge): Ditto
783 (bitmap_other_than_zero_bit_set): Ditto.
784 (int_add_graph_edge): Renamed to add_graph_edge.
785 (clear_edges_for_node): Remove support for weighted edges.
786 (merge_graph_nodes): Ditto.
787 (valid_graph_edge): Ditto.
788 (build_constraint_graph): Ditto.
790 (collapse_nodes): Ditto.
791 (process_unification_queue): Ditto.
793 (do_ds_constraint): Ditto.
794 (perform_var_subsitution): Ditto.
795 (solve_graph): Ditto.
796 (init_alias_vars): Ditto.
797 (delete_points_to_sets): Ditto.
798 (do_complex_constraint): Support offsetted copies here.
800 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
802 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
804 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
806 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
809 2006-11-23 Ben Elliston <bje@au.ibm.com>
811 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
813 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
815 PR tree-optimization/29921
816 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
817 signed and unsigned zero equal.
819 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
821 * config/rs6000/rs6000.c (get_store_dest): New.
822 (adjacent_mem_locations): Use get_store_dest() to get
823 the rtl of the store destination.
825 2006-11-22 Joseph Myers <joseph@codesourcery.com>
827 * config/rs6000/spe.md (SPE64): New mode macro.
828 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
830 (mov_si<mode>_e500_subreg0_2): New.
831 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
833 (mov_si<mode>_e500_subreg4_2): New.
834 * config/rs6000/predicates.md (input_operand): Do not allow
835 invalid E500 subregs.
836 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
838 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
839 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
840 involving vector modes if TARGET_SPE.
842 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
845 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
846 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
848 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
850 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
851 mem_i_address_operand): New predicates.
852 * config/bfin/bfin.c (bfin_issue_rate): New function.
853 (TARGET_SCHED_ISSUE_RATE): New macro.
854 * config/bfin/bfin.md (addrtype): New attribute.
855 (slot0, slot1, slot2, store, pregs): New cpu_units.
856 (core): Now a define_reservation.
857 (alu): Remove some insn types from this reservation.
858 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
860 (dummy reservation): Don't trigger for mcld insns.
861 (absence_sets): Two new absence sets to enforce slot ordering.
862 (popsi_insn): Set addrtype.
864 2006-11-22 Ira Rosen <irar@il.ibm.com>
866 * doc/c-tree.texi: Document new tree codes.
867 * doc/md.texi: Document new optabs.
868 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
870 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
871 * optabs.h (optab_index): Add new.
872 (vec_extract_even_optab, vec_extract_odd_optab,
873 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
874 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
875 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
877 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
878 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
879 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
880 along with macros for their access.
881 * tree-data-ref.h (first_location_in_loop, data_reference): Update
883 * tree-vect-analyze.c (toplev.h): Include.
884 (vect_determine_vectorization_factor): Fix indentation.
885 (vect_insert_into_interleaving_chain,
886 vect_update_interleaving_chain, vect_equal_offsets): New functions.
887 (vect_analyze_data_ref_dependence): Add argument for interleaving
888 check. Check for interleaving if it's true.
889 (vect_check_dependences): New function.
890 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
891 every ddr. Call vect_analyze_data_ref_dependence with new argument.
892 (vect_update_misalignment_for_peel): Update for interleaving.
893 (vect_verify_datarefs_alignment): Check only first data-ref for
895 (vect_enhance_data_refs_alignment): Update for interleaving. Check
896 only first data-ref for interleaving.
897 (vect_analyze_data_ref_access): Check interleaving, update
899 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
900 with different parameters.
901 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
902 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
903 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
904 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
905 Update step in case of interleaving.
906 (vect_strided_store_supported, vect_permute_store_chain): New
908 (vectorizable_store): Handle strided stores.
909 (vect_strided_load_supported, vect_permute_load_chain,
910 vect_transform_strided_load): New functions.
911 (vectorizable_load): Handle strided loads.
912 (vect_transform_stmt): Add argument. Handle strided stores. Check
913 that vectorized stmt exists for patterns.
914 (vect_gen_niters_for_prolog_loop): Update calculation for
916 (vect_transform_loop): Remove stmt_vec_info for strided stores after
917 whole chain vectorization.
918 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
919 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
920 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
921 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
922 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
924 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
926 * cse.c (enum taken): Remove PATH_AROUND.
927 (addr_affects_sp_p, invalidate_skipped_set,
928 invalidate_skipped_block): Remove.
929 (cse_end_of_basic_block): Remove skip_blocks and related code.
930 (cse_main): Don't test for flag_cse_skip_blocks.
931 Update cse_end_of_basic_block call.
932 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
933 code to lengthen the path if a jump was simplified.
935 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
937 PR rtl-optimization/29924
938 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
939 (unroll_loop_runtime_iterations): Assert that the argument passed to
940 split_edge_and_insert is not NULL.
941 * loop-doloop.c (add_test): Ditto.
943 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
945 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
947 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
948 * cfgloopmanip.c (update_single_exits_after_duplication,
949 update_single_exit_for_duplicated_loop, loop_version): Ditto.
950 * tree-scalar-evolution.c (get_loop_exit_condition,
951 get_exit_conditions_rec, loop_closed_phi_def,
952 number_of_iterations_in_loop, scev_const_prop): Ditto.
953 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
954 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
956 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
958 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
959 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
960 slpeel_make_loop_iterate_ntimes,
961 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
962 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
964 * tree-if-conv.c (if_convertible_loop_p): Ditto.
965 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
966 vect_analyze_loop_form): Ditto.
967 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
968 can_convert_to_perfect_nest, perfect_nestify): Ditto.
969 * tree-vect-transform.c (vect_create_epilog_for_reduction,
970 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
971 vect_transform_loop): Ditto.
972 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
973 (single_exit, set_single_exit): New functions.
974 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
975 (single_exit, set_single_exit): Declare.
976 * doc/loop.texi: Undocument single_exit field. Document single_exit
979 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
981 PR tree-optimization/29902
982 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
983 any involved ssa name appears in abnormal phi node.
985 2006-11-21 Bob Wilson <bob.wilson@acm.org>
987 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
988 (xtensa_const_ok_for_letter_p): Delete.
989 (xtensa_extra_constraint): Delete.
990 (override_options): Delete xtensa_char_to_class initialization.
991 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
992 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
993 (EXTRA_CONSTRAINT): Delete.
994 * config/xtensa/xtensa.md: Include constraints.md.
995 (call_internal): Combine alternatives.
996 (call_value_internal): Likewise, and remove invalid constraints.
997 * config/xtensa/constraints.md: New file.
998 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
999 (xtensa_extra_constraint): Delete.
1000 * doc/md.texi (Machine Constraints): Refer to constraints.md for
1003 2006-11-21 Janis Johnson <janis187@us.ibm.com>
1005 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
1006 of conversion that doesn't fit.
1008 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
1009 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
1010 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
1012 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
1014 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
1016 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
1018 2006-11-21 Richard Guenther <rguenther@suse.de>
1020 * tree-vectorizer.h (NUM_PATTERNS): Increase.
1021 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
1022 vect_recog_pow_pattern.
1023 (vect_recog_pow_pattern): New function.
1025 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
1027 * config/bfin/bfin.opt (mstack-check-l1): New.
1028 * doc/invoke.texi (Blackfin Options): Document it.
1029 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
1030 stack bounds in L1 memory if the new option is enabled.
1031 (override_options): Don't allow combinations of -fstack-limit and
1033 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
1036 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
1038 (bfin_register_move_cost): Bump costs if trying to move plain
1039 integer values through accumulators.
1041 2006-11-21 Ben Elliston <bje@au.ibm.com>
1043 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
1045 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
1046 Russell Olsen <Russell_Olsen@playstation.sony.com>
1047 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
1048 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
1049 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
1050 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
1051 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1053 * config.gcc: Add target for SPU.
1054 * config/spu/constraints.md: New file.
1055 * config/spu/crt0.c: New file.
1056 * config/spu/crtend.c: New file.
1057 * config/spu/crti.asm: New file.
1058 * config/spu/crtn.asm: New file.
1059 * config/spu/float_unsdidf.c: New file.
1060 * config/spu/float_unssidf.c: New file.
1061 * config/spu/predicates.md: New file.
1062 * config/spu/spu-builtins.def: New file.
1063 * config/spu/spu-builtins.h: New file.
1064 * config/spu/spu-builtins.md: New file.
1065 * config/spu/spu-c.c: New file.
1066 * config/spu/spu-elf.h: New file.
1067 * config/spu/spu-modes.def: New file.
1068 * config/spu/spu-protos.h: New file.
1069 * config/spu/spu.c: New file.
1070 * config/spu/spu.h: New file.
1071 * config/spu/spu.md: New file.
1072 * config/spu/spu.opt: New file.
1073 * config/spu/spu_internals.h: New file.
1074 * config/spu/spu_intrinsics.h: New file.
1075 * config/spu/spu_mfcio.h: New file.
1076 * config/spu/t-spu-elf: New file.
1077 * config/spu/vec_types.h: New file.
1078 * config/spu/vmx2spu.h: New file.
1079 * doc/contrib.texi: Document SPU contributor.
1080 * doc/extend.texi: Document SPU extensions.
1081 * doc/invoke.texi: Document SPU options.
1082 * doc/md.texi: Document SPU constraints.
1084 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1086 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
1088 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
1090 (flow_loop_dump): Do not dump loop level.
1091 (flow_loops_find): Do not call flow_loops_level_compute.
1092 * cfgloop.h (struct loop): Remove level field.
1094 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1096 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
1097 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
1098 Use vector of edges instead of array.
1099 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
1100 estimate_numbers_of_iterations_loop): Ditto.
1101 * predict.c (predict_loops): Ditto.
1102 * loop-unroll.c (analyze_insns_in_loop): Ditto.
1103 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
1105 * basic-block.h: Declare heap allocation for edge vectors.
1106 * tree-outof-ssa.c: Ditto.
1107 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
1108 * cfgloop.h (get_loop_exit_edges): Declaration changed.
1110 2006-11-20 Zack Weinberg <zackw@panix.com>
1112 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
1113 Add another out parameter, "skip".
1114 (set_gc_used_type): Adjust calls to process_gc_options. If a field
1115 is tagged "skip", do not mark its type used.
1117 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1120 * tree-sra.c (single_scalar_field_in_record_p): New function.
1121 (decide_block_copy): Use it.
1123 2006-11-20 David Daney <ddaney@avtrex.com>
1125 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
1126 PC to point to following instruction.
1128 2006-11-20 Anatoly Sokolov <aesok@post.ru>
1132 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
1134 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
1136 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
1138 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1139 Add sh/superh.h to tm_file.
1141 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
1142 Mark Mitchell <mark@codesourcery.com>
1144 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
1146 (cpp_relocated): New function.
1147 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
1149 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
1150 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
1151 replace configured prefix with gcc_exec_prefix.
1153 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
1155 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
1156 bfin_legitimate_constant_p.
1157 * config/bfin/bfin.md (movsi expander): Check return value of
1159 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
1160 (expand_move): Adjust prototype.
1161 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
1162 invalid constants specially.
1163 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
1165 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
1167 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
1168 sibcall_value_symbol): Allow these patterns if
1169 TARGET_LEAF_ID_SHARED_LIBRARY.
1170 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
1171 (override_options): Turn on id shared library flags if -msep-data,
1172 but disallow the combination of these options on the command line.
1173 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
1174 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
1175 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
1176 -mid-shared-library.
1177 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
1178 * doc/invoke.texi (Blackfin Options): Document new switches.
1180 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
1181 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
1183 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
1184 inflate costs for addresses with an out-of-bounds address.
1186 2006-11-19 Andrew Pinski <pinskia@gmail.com>
1189 * fwprop.c (loops): Remove.
1190 (forward_propagate_into): Use current_loops instead of
1192 (fwprop_init): Call loop_optimizer_init instead of
1194 (fwprop_done): Call loop_optimizer_finalize instead of
1196 (fwprop): Use current_loops instead of loops.
1198 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
1201 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
1203 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1206 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
1207 larger than BITS_PER_WORD.
1209 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1213 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
1214 to MAX_FIXED_MODE_SIZE.
1216 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1218 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
1219 (fold_builtin_fmin_fmax): New.
1220 (fold_builtin_1): Use it.
1222 * fold-const.c (fold_strip_sign_ops): Handle copysign.
1224 2006-11-18 Richard Guenther <rguenther@suse.de>
1226 * config/i386/i386.c (ix86_builtins): New array for ix86
1227 builtin function decls.
1228 (def_builtin): New function.
1229 (def_builtin_const): Likewise.
1230 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
1232 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
1234 * doc/invoke.texi (core2): Add item.
1236 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
1238 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
1239 (TARGET_CPU_DEFAULT_generic): Change value.
1240 (TARGET_CPU_DEFAULT_NAMES): Add core2.
1241 (processor_type): Add new constant PROCESSOR_CORE2.
1243 * config/i386/i386.md (cpu): Add core2.
1245 * config/i386/i386.c (core2_cost): New initialized variable.
1246 (m_CORE2): New macro.
1247 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
1248 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
1249 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1250 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1251 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1252 x86_accumulate_outgoing_args, x86_prologue_using_move,
1253 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1254 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
1255 x86_use_incdec, x86_four_jump_limit, x86_schedule,
1256 x86_pad_returns): Add m_CORE2.
1257 (override_options): Add entries for Core2.
1258 (ix86_issue_rate): Add case for Core2.
1260 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
1262 * doc/invoke.texi: Fix mno-isel typo.
1264 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1266 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
1267 easy vector constant loads.
1269 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1271 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
1272 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1273 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
1274 * config/rs6000/sync.md (lwsync): Emit plain sync if
1277 2006-11-17 DJ Delorie <dj@redhat.com>
1279 * reload1.c (reloads_unique_chain): New.
1280 (reloads_conflict): Call it.
1282 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1284 * config/xtensa/predicates.md (addsubx_operand): New.
1285 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
1286 (xtensa_emit_bit_branch): New.
1287 (xtensa_emit_movcc): New.
1288 * config/xtensa/xtensa.md (any_minmax): New code macro.
1289 (minmax): New code attribute.
1290 (any_cond, any_scc, any_scc_sf): New code macros.
1291 (*addx2, *addx4, *addx8): Delete.
1293 (*subx2, *subx4, *subx8): Delete.
1295 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
1296 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
1297 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
1298 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
1299 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
1300 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
1301 (movsfcc_internal0, movsfcc_internal1): Likewise.
1302 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
1303 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
1304 (xtensa_emit_bit_branch): New.
1305 (xtensa_emit_movcc): New.
1306 (function_arg_boundary): Add missing prototype.
1308 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1310 * config/xtensa/xtensa.md (tstsi): Delete
1312 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1314 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
1316 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1318 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1320 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1322 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
1324 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1326 * tree-vrp.c (execute_vrp): Do not update current_loops.
1327 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
1328 * doc/loop.texi: Remove documentation for cancelled functions.
1329 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
1330 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
1332 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
1333 (remove_path): Ensure that in delete_basic_blocks, the loops
1334 are still allocated.
1335 (add_loop): Work on valid loop structures.
1336 (loopify): Modify call of add_loop.
1337 (mfb_update_loops): Removed.
1338 (create_preheader): Do not update loops explicitly.
1339 (force_single_succ_latches, loop_version): Do not use
1340 loop_split_edge_with.
1341 (loop_split_edge_with): Removed.
1342 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
1343 Do not use bsi_insert_on_edge_immediate_loop.
1344 (split_loop_exit_edge, tree_unroll_loop): Do not use
1345 loop_split_edge_with.
1346 (bsi_insert_on_edge_immediate_loop): Removed.
1347 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
1348 use loop_split_edge_with.
1349 * cfghooks.c: Include cfgloop.h.
1350 (verify_flow_info): Verify that loop_father is filled iff current_loops
1352 (redirect_edge_and_branch_force, split_block, delete_basic_block,
1353 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
1355 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
1357 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
1358 loop_split_edge_with.
1359 (sms_schedule): Use current_loops.
1360 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
1361 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
1363 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
1364 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
1365 * ifcvt.c (if_convert): Ditto.
1366 * predict.c (predict_loops): Do not clear current_loops.
1367 (tree_estimate_probability): Use current_loops.
1368 (propagate_freq): Receive head of the region to propagate instead of
1370 (estimate_loops_at_level): Do not use shared to_visit bitmap.
1371 (estimate_loops): New function. Handle case current_loops == NULL.
1372 (estimate_bb_frequencies): Do not allocate tovisit. Use
1374 * tree-ssa-loop.c (current_loops): Removed.
1375 (tree_loop_optimizer_init): Do not return loops.
1376 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
1377 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
1378 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
1379 Do not update loops explicitly.
1380 * function.h (struct function): Add x_current_loops field.
1381 (current_loops): New macro.
1382 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
1383 * loop-unroll.c (split_edge_and_insert): New function.
1384 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
1385 use loop_split_edge_with.
1386 * loop-doloop.c (add_test, doloop_modify): Ditto.
1387 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
1388 * cfglayout.c (copy_bbs): Do not update loops explicitly.
1389 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
1390 * tree-vect-transform.c (vect_transform_loop): Do not update loops
1392 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
1393 (flow_loops_free): Do not free dfs_order and rc_order.
1394 (flow_loops_find): Do not set dfs_order and rc_order in loops
1395 structure. Do not call loops and flow info verification.
1396 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
1397 already belongs to some loop.
1398 * cfgloop.h (struct loops): Remove struct cfg.
1399 (current_loops, loop_split_edge_with): Declaration removed.
1400 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
1401 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
1402 Declaration removed.
1403 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
1404 * basic-block.h (split_edge_and_insert): Declare.
1405 * tree-cfg.c (remove_bb): Do not update loops explicitly.
1407 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1409 PR tree-optimization/29801
1410 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
1411 (get_default_value): Use get_symbol_constant_value.
1412 (set_lattice_value): ICE when the value of the constant is
1414 (visit_assignment): Ignore VDEFs of read-only variables.
1416 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1418 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
1420 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1421 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
1423 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1425 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
1426 select subvars of var.
1428 2006-11-17 Jakub Jelinek <jakub@redhat.com>
1431 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
1432 optimize if DEF doesn't have integral type.
1434 2006-11-16 Mike Stump <mrs@apple.com>
1436 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
1437 pre-darwin9 system, unless the user asks for it directly.
1438 (PREFERRED_DEBUGGING_TYPE): Likewise.
1439 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
1440 * config.gcc: Add suppport for darwin9.h.
1441 * config/darwin9.h: Add.
1442 * doc/install.texi (Specific): Clarify darwin documentation.
1444 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1446 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
1447 optimizing for size.
1449 2006-11-16 Mike Stump <mrs@apple.com>
1451 * Makefile.in (targhooks.o): Add $(OPTABS_H).
1453 2006-11-16 Dirk Mueller <dmueller@suse.de>
1455 * tree-vrp.c (get_value_range): Use XCNEW instead
1457 (insert_range_assertions): Use XCNEWVEC instead
1458 of XNEWVEC and memset.
1459 (vrp_initialize): Same.
1460 (vrp_finalize): Same.
1461 * tree-ssa-ccp.c (ccp_initialize): Same.
1462 * predict.c (tree_bb_level_predictions): Same.
1463 * calls.c (expand_call): Same.
1464 * tree-ssa-copy.c (init_copy_prop): Same.
1465 (fini_copy_prop): Same.
1466 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
1467 of GGC_NEW and memset.
1469 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
1472 * gimplify.c (gimplify_expr): Only force a load for references to
1473 non-BLKmode volatile values.
1474 * doc/implement-c.texi (Qualifiers implementation): Document the
1475 interpretation of what a volatile access is.
1476 * doc/extend.texi (C++ Extensions): Rework same documentation.
1478 2006-11-16 Joseph Myers <joseph@codesourcery.com>
1480 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
1483 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1485 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
1487 (arm_neg_abssi2): Renamed from neg_abssi2.
1488 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
1490 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
1492 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
1493 number of arguments passed to local functions in SSE registers is 3.
1495 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
1496 number of arguments passed in SSE registers to 3.
1498 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1501 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
1503 (get_last_bb_insn): ... new global function.
1504 (basic_block.h): Declare it.
1505 * haifa-sched.c (create_recovery_block): Use it.
1507 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
1510 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
1512 2006-11-15 Paul Brook <paul@codesourcery.com>
1514 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
1515 _Unwind_GetTextRelBase): Move from here ...
1516 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
1517 _Unwind_GetTextRelBase): ... To here.
1519 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1521 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
1522 addresses we generate for testing are aligned.
1524 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
1527 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
1528 to what is the const decl is a place holder for.
1530 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1532 * config/i386/i386.opt: New target option -mx87regparm.
1534 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
1535 and float_in_x87 variables. mmx_words, sse_words: Remove.
1536 (X87_REGPARM_MAX): Define.
1538 * config/i386/i386.c (override_options): Error out for
1539 -mx87regparm but no 80387 support.
1540 (ix86_attribute_table): Add x87regparm.
1541 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1542 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1543 (ix86_function_x87regparm): New function.
1544 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1546 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1548 (function_arg_advance): Process x87_nregs and x87_regno when
1549 floating point argument is to be passed in 80387 register.
1550 (function_arg): Pass XFmode arguments in 80387 registers for local
1551 functions. Pass SFmode and DFmode arguments to local functions
1552 in 80387 registers when flag_unsafe_math_optimizations is set.
1554 * reg-stack.c (convert_regs_entry): Disable NaN load for
1555 stack registers that are used for argument passing.
1557 * doc/extend.texi: Document x87regparm function attribute.
1558 * doc/invoke.texi: Document -mx87regparm.
1560 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1562 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
1563 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
1564 arg MODE; all callers changed. Use it to determine validity per
1565 machine mode instead of using Pmode for all memory references.
1566 (get_address_cost): Likewise add and use new arg MEM_MODE.
1568 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
1569 J"orn Rennecke <joern.rennecke@st.com>
1571 * combine.c (likely_spilled_retval_1): Fix masking operation.
1572 (likely_spilled_retval_p): Use proper pattern for call to
1573 likely_spilled_retval_1.
1575 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1577 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
1579 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
1580 that tests for CONSTANT_POOL_ADDRESS_P.
1582 2006-11-15 Jakub Jelinek <jakub@redhat.com>
1584 PR tree-optimization/29581
1585 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
1586 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
1587 type is different between Y and USE, create a temporary
1588 variable, initialize it at the beginning of the body bb
1589 and use it as replacement instead of Y.
1591 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
1594 * gimplify.c (fold_indirect_ref_rhs): Use
1595 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
1597 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
1599 * expmed.c (emit_store_flag_1): New function.
1600 (emit_store_flag): Call it. If we can't find a suitable scc insn,
1602 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
1603 Use do_compare_rtx_and_jump.
1604 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
1605 * arm.md (cstoresi4): New define_expand.
1606 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
1607 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
1608 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
1610 2006-11-14 Caroline Tice <ctice@apple.com>
1612 * dwarf2out.c (debug_pubtypes_section): New static global variable.
1613 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
1615 (pubname_table): Redefine as a vector.
1616 (pubtype_table): New static global variable, defined as a vector.
1617 (pubname_table_allocated): Remove static global variable.
1618 (pubname_table_in_use): Remove static global variable.
1619 (PUBNAME_TABLE_INCREMENT): Remove constant.
1620 (size_of_pubnames): Add parameter to deal with either pubnames or
1621 pubtypes, and change code to deal with table being a vector.
1622 (add_pubname): Change to deal with table being a vector.
1623 (add_pubtype): New function.
1624 (output_pubnames): Add parameter to deal with either pubnames or
1625 pubtypes, and change code to deal with table being a vector.
1626 (gen_array_type_die): Add call to add_pubtype.
1627 (gen_enumeration_type_die): Add call to add_pubtype.
1628 (gen_struct_or_union_type_die): Add call to add_pubtype.
1629 (gen_subroutine_type_die): Add call to add_pubtype.
1630 (gen_typedef_die): Add call to add_pubtype.
1631 (dwarf2out_init): Add code to initialize pubname_table and
1632 pubtype_table vectors; also initialize debug_pubtypes_section.
1633 (prune_unused_types): Change to deal with pubnames being a vector.
1634 (dwarf2out_finish): Change to deal with pubnames being a vector; add
1635 pubnames table to call to output_pubnames; Add code to output pubtypes
1636 table if DEBUG_PUBTYPES_SECTION is defined.
1637 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
1639 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
1641 2006-11-14 Joseph Myers <joseph@codesourcery.com>
1643 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
1644 iwmmxt_nregs if TARGET_IWMMXT_ABI.
1645 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
1646 movv2si_internal): Support moves between core registers.
1648 2006-11-14 Eric Christopher <echristo@apple.com>
1650 * configure: Regenerate with autoconf 2.59.
1652 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
1654 Fix PR tree-optimization/27755
1656 * tree-ssa-pre.c: Update comments.
1657 (bb_bitmap_sets): Add pa_in and deferred member.
1658 (BB_DEFERRED): New macro.
1659 (maximal_set): New variable.
1660 (pre_stats): Add pa_insert member.
1661 (bitmap_set_and): Short circuit orig == dest.
1662 (bitmap_set_subtract_values): New function.
1663 (bitmap_set_contains_expr): Ditto.
1664 (translate_vuses_through_block): Add phiblock argument.
1665 (dependent_clean): New function.
1666 (compute_antic_aux): Update for maximal_set changes.
1667 (compute_partial_antic_aux): New function.
1668 (compute_antic): Handle partial anticipation.
1669 (do_partial_partial_insertion): New function.
1670 (insert_aux): Handle partial anticipation.
1671 (add_to_sets): Add to maximal set.
1672 (compute_avail): Ditto.
1673 (init_pre): Initialize maximal_set.
1674 (execute_pre): Do partial anticipation if -O3+.
1676 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
1678 PR rtl-optimization/29798
1680 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
1681 TARGET_INSN before any other check.
1682 (fwprop_init): Always calculate dominators.
1683 (fwprop_done): Always free them.
1685 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1687 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
1690 2006-11-13 DJ Delorie <dj@redhat.com>
1692 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
1693 temporary for intermediates.
1695 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
1697 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
1698 (sh_optimize_target_register_callee_saved): #if 0 the code
1699 using NOTE_INSN_LOOP_{BEG,END}.
1701 2006-11-13 Roger Sayle <roger@eyesopen.com>
1703 * fold-const.c (optimize_bit_field_compare): Recursively call
1704 fold when simplifying non-constant comparisons between bit-fields.
1706 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1708 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
1710 * configure: Rebuilt.
1712 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
1714 * config/rs6000/cell.md: New file.
1715 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
1717 (ppccell_cost): New cost matrix.
1718 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
1719 (rs6000_override_options): Set rs6000_always_hint to false
1720 for cell. Also align functions/lables/loops to 8byte
1721 for the Cell. Use PROCESSOR_CELL.
1722 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
1723 using_mtcr_multiple.
1724 (rs6000_variable_issue): If the insn is a nonpipelined instruction
1725 on the Cell, return 0.
1726 (rs6000_adjust_cost): Add Cell cost adjustments.
1727 (is_microcoded_insn): Return true for Cell microcoded
1729 (is_nonpipeline_insn): New function.
1730 (rs6000_issue_rate): Add PROCESSOR_CELL.
1731 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
1733 (rs6000_use_sched_lookahead_guard): New function.
1734 (rs6000_sched_reorder): Reorder the ready list, if the second
1735 to last ready insn is a nonepipeline insn on the Cell.
1736 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
1737 (ASM_CPU_SPEC): Add Cell.
1738 * config/rs6000/rs6000.md (cpu): Add Cell.
1739 (cell_micro): New Attr.
1742 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1744 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
1746 * configure: Rebuilt.
1748 2006-11-13 Richard Guenther <rguenther@suse.de>
1750 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
1752 (ix86_expand_lfloorceil): Likewise.
1753 (ix86_expand_rint): Likewise.
1754 (ix86_expand_floorceildf_32): Likewise.
1755 (ix86_expand_floorceil): Likewise.
1756 (ix86_expand_rounddf_32): Likewise.
1757 (ix86_expand_truncdf_32): Likewise.
1758 (ix86_expand_round): Likewise.
1760 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
1761 Mark Mitchell <mark@codesourcery.com>
1763 * gcc.c: Organize search path variables into $prefix relative,
1764 and well-known native. Add comments.
1765 (add_sysrooted_prefix): Add comment.
1766 (process_command): If !gcc_exec_prefix add $prefix based paths.
1767 If *cross_compile == '0', add native well-known paths.
1768 Assert tooldir_base_prefix is always relative.
1769 (main): If print_search_dirs, and if gcc_exec_prefix is set,
1770 use this value for 'install:' path.
1771 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
1773 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1775 * config/i386/i386.c: Fix a typo in comment.
1777 2006-11-13 Michael Matz <matz@suse.de>
1779 * genemit.c (gen_expand): Allocate enough memory.
1781 2006-11-13 Joseph Myers <joseph@codesourcery.com>
1783 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
1784 __GXX_TYPEINFO_EQUALITY_INLINE but not
1785 __GXX_MERGED_TYPEINFO_NAMES.
1786 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
1787 __GXX_MERGED_TYPEINFO_NAMES.
1788 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
1789 __GXX_TYPEINFO_EQUALITY_INLINE.
1791 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1792 Zdenek Dvorak <dvorakz@suse.cz>
1794 PR tree-optimization/29680
1795 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
1798 2006-11-12 Jason Merrill <jason@redhat.com>
1799 Andrew Pinski <pinskia@physics.uc.edu>
1802 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
1804 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
1806 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
1807 * tree.c (build_vector): Handle non-_CST elements.
1809 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
1811 * genemit.c (gen_insn): Call gen_exp with a non-null used
1812 when handling multiple insns.
1813 (gen_expand): Likewise.
1814 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
1815 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
1816 (movsi_const_16bit+1): Copy operands[1].
1817 (call_pcrel): Copy the call_site pattern.
1818 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
1820 2006-11-12 Roger Sayle <roger@eyesopen.com>
1822 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
1823 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
1824 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
1825 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
1827 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
1829 Fix PR tree-optimization/29587
1830 * tree-ssa-structalias.c (process_constraint): Don't
1831 mark address taken due only to escaped vars constraint.
1833 2006-11-12 Michael Matz <matz@suse.de>
1834 Roger Sayle <roger@eyesopen.com>
1836 PR rtl-optimization/29797
1837 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
1838 BITS_BIG_ENDIAN targets.
1840 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1842 * builtins.c (fold_builtin_cosh): New.
1843 (fold_builtin_1): Use it.
1844 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
1845 trunc to the list of "odd" functions. Also add llrint, lrint,
1846 rint and nearbyint when flag_rounding_math is false.
1848 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1850 * tree-flow.h (name_mappings_registered_p): Declare.
1851 * tree-into-ssa.c (name_mappings_registered_p): New function.
1852 * tree-cfg.c (tree_can_merge_blocks_p): Check
1853 name_mappings_registered_p instead of need_ssa_update_p.
1855 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1857 * tree-ssa-loop.c (tree_vectorize): Return the result of
1859 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
1860 if anything changed.
1861 * tree-vectorizer.h (vectorize_loops): Declaration removed.
1862 * tree-flow.h (vectorize_loops): Declaration changed.
1864 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1866 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
1868 (issue_prefetch_ref): Move assignment to write_p out of loop.
1869 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
1870 SIMULTANEOUS_PREFETCHES into account.
1871 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
1872 * lambda-code.c (lcm): Renamed to ...
1873 (least_common_multiple): ... and exported.
1874 * tree-flow.h (least_common_multiple): Declare.
1876 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1878 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
1879 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
1880 ud-chains. Handle AND_EXPR.
1881 (record_estimate): Record whether the estimate is realistic
1882 and whether it is derived from a loop exit.
1883 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
1884 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
1886 (compute_estimated_nb_iterations): Take only realistic bounds into
1887 account. Set estimate_state. Use double_ints.
1888 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
1889 and infer_loop_bounds_from_signedness. Do not consider basic blocks
1890 that do not have to be always executed.
1891 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
1892 to determine whether to call infer_loop_bounds_from_undefined
1893 and compute_estimated_nb_iterations.
1894 (n_of_executions_at_most): Use double_ints.
1895 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
1896 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
1897 * double-int.c (double_int_to_tree): Improve comment.
1898 (double_int_fits_to_tree_p): New function.
1899 * double-int.h (double_int_fits_to_tree_p): Declare.
1900 * tree-data-ref.c: Include langhooks.h.
1901 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
1902 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
1903 (analyze_array): Do not pass estimate_only argument to
1904 analyze_array_indexes.
1905 (get_number_of_iters_for_loop): Build tree from the stored double_int
1907 (get_references_in_stmt, find_data_references_in_stmt): New functions.
1908 (find_data_references_in_loop): Use find_data_references_in_stmt.
1909 * tree-data-ref.h (struct data_ref_loc_d): New.
1910 (get_references_in_stmt): Declare.
1911 (estimate_iters_using_array): Declaration removed.
1912 * cfgloop.h (struct nb_iter_bound): Change type of bound to
1913 double_int. Improve comments. Add is_exit and realistic
1915 (struct loop): Changed type of estimated_nb_iterations to double_int.
1916 Added estimate_state field.
1917 (record_estimate): Declaration removed.
1919 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1921 * params.c (set_param_value): Initialize the "set" field.
1922 * params.h (struct param_info): Add "set" field.
1923 (PARAM_SET_P): New macro.
1924 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
1925 L1_CACHE_LINE_SIZE): New macros.
1926 * toplev.c (DEFPARAM): Initialize the "set" field.
1927 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
1928 SIMULTANEOUS_PREFETCHES): Removed.
1929 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
1930 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
1931 * config/sparc/sparc.c: Include params.h.
1932 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
1933 L1_CACHE_LINE_SIZE parameters.
1934 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1936 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1938 * config/i386/i386.c: Include params.h.
1939 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
1940 (override_options): Set SIMULTANEOUS_PREFETCHES and
1941 L1_CACHE_LINE_SIZE parameters.
1942 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
1943 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
1944 L1_CACHE_LINE_SIZE parameters.
1945 * config/ia64/ia64.c (ia64_optimization_options): Set
1946 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
1947 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
1949 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
1950 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
1951 * doc/invoke.texi: Document new params.
1953 2006-11-12 Roger Sayle <roger@eyesopen.com>
1955 PR tree-optimization/13827
1956 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
1959 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1961 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
1962 update_single_exit_for_duplicated_loops): New functions.
1963 (duplicate_loop_to_header_edge): Use
1964 update_single_exit_for_duplicated_loops.
1965 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
1966 functions only with ENABLE_CHECKING.
1968 2006-11-12 Andreas Schwab <schwab@suse.de>
1970 * except.c (sjlj_emit_function_enter): Remove unused variable.
1972 2006-11-11 Roger Sayle <roger@eyesopen.com>
1974 * fold-const.c (int_binop_types_match_p): New function.
1975 (size_binop): Relax constraint that both arguments must both have
1976 exactly the same sizetype type. Instead use int_binop_types_match_p.
1977 (size_diffop): Likewise.
1979 (make_range): Use build_int_cst instead of fold_convert.
1980 (fold_cond_expr_with_comparison): Use build_int_cst to construct
1981 integer constants of the correct type.
1982 (fold_div_compare): Likewise.
1983 (fold_single_bit_test): Likewise.
1984 (fold_binary): Likewise.
1985 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
1986 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
1988 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1991 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
1992 non null value if the struct memory access is in the 0th
1995 2006-11-12 Jie Zhang <jie.zhang@analog.com>
1998 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1999 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
2002 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
2003 instead of builtin_define for bfin and BFIN.
2005 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2007 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
2010 2006-11-11 Jan Hubicka <jh@suse.cz>
2012 * extend.texi (__builtin_expect): We no longer require second argument
2014 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
2015 * builtins.c (expand_builtin_expect): Simplify.
2016 (expand_builtin_expect_jump): Kill.
2017 * final.c (final_scan_insn): Do not skip the removed notes.
2018 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
2019 EXPECTED_VALUE): Remove.
2020 * dojump.c (do_jump): Do not care about __builtin_expect.
2021 * predict.c (expected_value_to_br_prob): Kill.
2022 * function.c (expand_function_end): Do not expand
2023 NOTE_INSN_REPEATED_LINE_NUMBER.
2024 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
2025 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
2026 * cfgexpand.c (add_reg_br_prob_note): Export.
2027 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2028 expected_value_to_br_prob.
2029 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
2030 * rtl.h (add_reg_br_prob_note): Declare.
2032 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2034 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
2036 2006-11-11 Jan Hubicka <jh@suse.cz>
2038 * predict.c (predict_loops): Kill RTL variant.
2040 2006-11-11 Jan Hubicka <jh@suse.cz>
2042 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
2043 * modulo-sched.c (find_line_note): Remove.
2044 (loop_canon_p): Do not worry about line number notes.
2045 (sms_schedule): Likewise.
2046 * cse.c (cse_main): Likewise.
2047 * regmove.c (fixup_match_1): Likewise
2048 * function.c (emit_return_info_block): Likewise.
2049 (expand_function_end): Likewise.
2050 (thread_prologue_an_epilogue_insns): Likewise.
2051 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
2053 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
2054 emit_note_copy_after): Kill.
2055 (emit_note_copy): Do not worry about line numbers.
2056 * jump.c (purge_line_number_notes): Kill.
2057 (pass_purge_lineno_notes): Kill.
2058 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
2060 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
2061 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
2062 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
2063 * tree-pass.h (pass_purge_lineno_notes): Kill.
2064 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
2065 rm_redundant_line_notes.
2066 * sched-rgb.c (schedule_region): Don't rm_line_notes,
2067 rm_redundant_line_notes.
2068 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
2069 * haifa-sched.c: Update comment about handling notes.
2070 (unlink_line_notes): Kill.
2071 (rm_line_notes): Kill.
2072 (save_line_notes): Simplify.
2073 (rm_redundant_line_notes): Kill.
2075 2006-11-11 Richard Guenther <rguenther@suse.de>
2077 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
2078 Remove unused tree codes.
2079 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
2080 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
2081 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2082 * tree.c (stabilize_reference): Likewise.
2083 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
2084 fold_unary): Likewise.
2085 * tree-gimple.c (is_gimple_cast): Likewise.
2086 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
2087 * expr.c (expand_expr_real_1): Likewise.
2088 * tree-eh.c (tree_could_trap_p): Likewise.
2089 * gimplify.c (gimplify_expr): Likewise.
2090 * tree-inline.c (estimate_num_insns_1): Likewise.
2091 * tree-cfg.c (verify_expr): Likewise.
2093 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
2095 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
2096 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
2097 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
2099 2006-11-11 Richard Sandiford <richard@codesourcery.com>
2102 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
2103 constraints accept neither registers or memories.
2105 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2107 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
2108 (NO_PROFILE_COUNTERS): Define as 1.
2110 2006-11-10 Roger Sayle <roger@eyesopen.com>
2112 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
2113 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
2115 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
2117 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
2119 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2121 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
2122 (fold_builtin_hypot): Likewise.
2123 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
2125 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
2127 2006-11-10 Roger Sayle <roger@eyesopen.com>
2129 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
2130 when attempting to build INTEGER_CSTs of non-integral types.
2131 * expmed.c (make_tree): Use the correct type, i.e. the inner
2132 type, when constructing the individual elements of a CONST_VECTOR.
2134 2006-11-10 Jan Hubicka <jh@suse.cz>
2136 * cse.c (cse_process_notes): Copy the propagated value.
2137 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
2139 * gcse.c (try_replace_reg): Copy the replacement.
2140 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
2141 (assign_386_stack_local): Always return copied memory expression
2142 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
2145 2006-11-10 Jan Hubicka <jh@suse.cz>
2147 * final.c (final): Walk from first instruction.
2148 * cfglayout.c (insn_locators_initialize): Remove line number notes.
2150 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
2153 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
2155 (umulv8hi3_highpart): Ditto.
2156 (vec_widen_smult_hi_v8hi): New expander.
2157 (vec_widen_smult_lo_v8hi): Ditto.
2159 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2162 * builtins.c (do_mpfr_arg3): New.
2163 (fold_builtin_1): Handle builtins fma, fmin and fmax.
2165 2006-11-09 Eric Christopher <echristo@apple.com>
2170 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
2171 * config.gcc (powerpc64-*-darwin*): New target.
2172 * config.host: Ditto.
2173 * config/rs6000/darwin64.h: New file.
2174 * config/rs6000/x-darwin64: Ditto.
2175 * config/rs6000/host-ppc64-darwin.c: Ditto.
2177 2006-11-09 Steve Ellcey <sje@cup.hp.com>
2179 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
2180 routines for integer division.
2182 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
2184 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
2186 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
2189 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
2191 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
2193 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
2194 simplify_subreg with BLKmode outer mode.
2196 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
2198 * doc/invoke.texi: Minor formatting fixes in option lists.
2200 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
2202 PR tree-optimization/29738
2203 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
2204 (ccp_lattice_t): Remove UNKNOWN_VAL.
2205 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
2206 Do not handle UNKNOWN_VAL.
2207 (get_default_value): Set initial value of virtual operands to
2209 (get_value): Always use get_default_value on uninitialized
2211 (set_value_varying, surely_varying_stmt_p): New functions.
2212 (set_lattice_value): Do not pass argument to get_value.
2213 Do not handle UNKNOWN_VAL.
2214 (likely_value): Follow the semantics described in the comment.
2215 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
2216 phi nodes DONT_SIMULATE_AGAIN.
2217 (ccp_fold): Do not pass argument to get_value.
2218 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
2221 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
2223 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2224 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
2226 2006-11-08 Roger Sayle <roger@eyesopen.com>
2228 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
2229 test for inclusion rather than as a test for exclusion.
2230 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
2231 the condition after calling fold_binary.
2232 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
2233 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
2234 * builtins.c (fold_builtin_isascii): Likewise.
2235 (fold_builtin_isdigit): Likewise.
2237 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
2239 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
2240 * configure: Regenerate.
2242 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2244 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
2245 enum argument instead of bool.
2246 (vect_analyze_operations): Call vectorizable_type_promotion.
2247 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
2248 stmt_vec_info_type value.
2249 (supportable_widening_operation, vectorizable_type_promotion): New
2250 function declarations.
2251 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
2252 (vectorizable_type_promotion): New function.
2253 (vect_transform_stmt): Call vectorizable_type_promotion.
2254 * tree-vect-analyze.c (supportable_widening_operation): New function.
2255 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
2257 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2260 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
2261 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
2262 * tree-inline.c (estimate_num_insns_1): Add cases for above new
2264 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2265 * expr.c (expand_expr_real_1): Likewise.
2266 * optabs.c (optab_for_tree_code): Likewise.
2267 (init_optabs): Initialize new optabs.
2268 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
2269 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
2270 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
2271 vec_unpacku_lo_optab): Initialize new optabs.
2272 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
2273 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
2274 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
2276 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
2277 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
2278 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
2279 (vec_unpacku_lo_optab): New optabs.
2280 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
2281 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
2282 (vec_widen_smult_hi, vec_widen_smult_lo): New.
2283 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
2284 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
2285 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
2287 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
2288 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
2289 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
2290 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
2291 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
2292 implement the unsigned unpacking patterns.
2293 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
2294 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
2295 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
2296 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
2297 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
2298 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
2299 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
2300 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
2301 multiplication patterns.
2303 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
2304 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
2305 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2306 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
2307 (rs6000_builtin_mul_widen_odd): New.
2308 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
2309 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
2310 * tree-vectorizer.h (enum vect_relevant): New enum type.
2311 (_stmt_vec_info): Field relevant chaned from bool to enum
2313 (STMT_VINFO_RELEVANT_P): Updated.
2314 (STMT_VINFO_RELEVANT): New.
2315 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
2316 instead of STMT_VINFO_RELEVANT_P.
2317 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
2318 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
2319 and boolean variable with enum vect_relevant.
2320 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
2321 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
2322 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2324 2006-11-08 Richard Henderson <rth@redhat.com>
2326 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
2327 vec_widen_umult_lo_v8hi): New.
2328 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
2329 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
2331 * config/i386/i386.c (ix86_expand_sse_unpack): New.
2332 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
2333 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
2334 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
2335 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
2336 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
2337 vec_unpacks_lo_v4si): New.
2339 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2341 * tree-vect-transform.c (vectorizable_type_demotion): New function.
2342 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
2343 (vect_analyze_operations): Call vectorizable_type_demotion.
2344 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
2345 stmt_vec_info_type value.
2346 (vectorizable_type_demotion): New function declaration.
2347 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2350 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
2351 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
2353 * tree-iniline.c (estimate_num_insns_1): Likewise.
2354 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2355 * optabs.c (optab_for_tree_code): Likewise.
2357 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
2358 compared against the predicate of the result is not 'mode' (the input
2359 to the function) but a mode with half the size of 'mode'.
2360 (init_optab): Initialize new optabs.
2361 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
2363 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
2365 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
2366 (vec_pack_usat_optab): Initialize new optabs.
2367 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
2368 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
2370 2006-11-08 Richard Henderson <rth@redehat.com>
2372 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
2373 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
2374 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
2375 (vec_interleave_highv4si, vec_interleave_lowv4si):
2376 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
2378 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2380 * tree-vect-transform.c (vectorizable_reduction): Support multiple
2382 (vect_transform_stmt): Removed redundant code.
2384 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2386 * tree-vect-transform.c (vectorizable_operation): Support multiple
2389 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2391 * tree-vect-transform.c (vect_align_data_ref): Removed.
2392 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
2393 Updated function documentation. Return the increment stmt in ptr_incr.
2394 (bump_vector_ptr): New function.
2395 (vect_get_vec_def_for_stmt_copy): New function.
2396 (vect_finish_stmt_generation): Create a stmt_info to newly created
2398 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
2400 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
2401 VF is greater than the number of elements that can fit in one vector
2403 (vectorizable_operation, vectorizable_condition): Likewise.
2404 (vectorizable_store, vectorizable_load): Support the case that the VF
2405 is greater than the number of elements that can fit in one vector word.
2406 (vect_transform_loop): Don't fail in case of multiple data-types.
2407 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
2408 in case of multiple data-types; the smallest type determines the VF.
2409 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
2410 if they are of different sizes.
2411 (vect_update_misalignment_for_peel): Compare misalignments in terms of
2412 number of elements rather than number of bytes.
2413 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
2414 (vect_can_advance_ivs_p): Fix a dump printout
2416 2006-11-07 Eric Christopher <echristo@apple.com>
2418 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
2419 (__bswapsi2): Ditto.
2420 * libgcc2.h: Remove transformation of bswap routines.
2421 * config/i386/i386.md (bswapsi2): New.
2424 2006-11-07 Jakub Jelinek <jakub@redhat.com>
2426 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
2427 (handle_gnu_inline_attribute): New function.
2428 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
2429 (merge_decls, start_decl, start_function): Likewise.
2430 * doc/extend.texi: Document gnu_inline attribute.
2432 2006-11-07 Steve Ellcey <sje@cup.hp.com>
2435 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
2436 _fixunstfdi, and _floatditf
2438 2006-11-06 Anatoly Sokolov <aesok@post.ru>
2440 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
2442 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
2443 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
2444 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
2445 which start in an odd register.
2447 2006-11-07 Richard Sandiford <richard@codesourcery.com>
2449 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
2451 2006-11-07 Josh Conner <jconner@apple.com>
2453 * doc/invoke.texi (fstrict-aliasing): Move implementation
2455 * doc/tree-ssa.texi (Alias analysis): ...here.
2457 2006-11-07 Richard Guenther <rguenther@suse.de>
2459 PR tree-optimization/29610
2460 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
2461 of tree_purge_dead_eh_edges as it may free dominators.
2463 * g++.dg/other/pr29610.C: New testcase.
2465 2006-11-07 David Ung <davidu@mips.com>
2467 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
2468 costs when optimizing for size.
2469 (override_options): Use mips_rtx_cost_optimize_size table for cost
2472 2006-11-07 Jie Zhang <jie.zhang@analog.com>
2474 * gcc.c (process_command): Treat -b as normal switch if its argument
2477 2006-11-07 David Ung <davidu@mips.com>
2479 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
2482 2006-11-06 Eric Christopher <echristo@apple.com>
2484 * config.gcc: Add x86_64-darwin host support.
2485 * config.host: Ditto.
2486 * config/i386/darwin64.h: New file.
2487 * config/i386/t-darwin64: Ditto.
2489 2006-11-06 Janis Johnson <janis187@us.ibm.com>
2491 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
2492 and output-exists-not.
2494 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2497 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
2498 checking for overflow.
2500 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
2502 * configure.ac: Fixed typo in case statement: :: changed to ;;
2504 2006-11-06 Bob Wilson <bob.wilson@acm.org>
2506 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
2507 count_leading_zeros, and count_trailing_zeros.
2508 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
2509 (TARGET_FOLD_BUILTIN): Define.
2510 (TARGET_EXPAND_BUILTIN): Define.
2511 (xtensa_init_builtins): New.
2512 (xtensa_fold_builtin): New.
2513 (xtensa_expand_builtin): New.
2514 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
2515 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
2516 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
2517 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
2518 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
2519 (any_extend): New code macro.
2520 (u, su): New code attributes.
2521 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
2522 (nsau): Remove; replaced by clzsi2.
2523 (ffssi2): Use clzsi2.
2524 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
2525 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
2526 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
2527 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
2528 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
2530 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
2532 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
2534 * config/arm/t-strongarm-elf: Likewise.
2535 * config/arm/t-pe: Likewise.
2536 * config/arm/t-arm-elf: Likewise.
2537 * config/arm/t-xscale-elf: Likewise.
2538 * config/arm/t-arm-coff: Likewise.
2539 * config/arm/t-xscale-coff: Likewise.
2540 * config/arm/t-wince-pe: Likewise.
2542 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
2544 * config/sh/lib1funcs-4-300.asm: Guard entire file with
2547 2006-11-05 Jakub Jelinek <jakub@redhat.com>
2550 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
2553 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2556 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
2557 as a valid 80387 constant.
2558 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
2559 * config/i386/i386.md (unnamed splitter): Split the load of
2560 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
2563 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
2565 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
2566 from the soft-frame, argument and virtual registers.
2568 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2570 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
2571 patterns for standard 80387 constants.
2573 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
2574 Steven Bosscher <steven@gcc.gnu.org>
2576 * fwprop.c: New file.
2577 * Makefile.in: Add fwprop.o.
2578 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
2579 * passes.c (init_optimization_passes): Schedule forward propagation.
2580 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
2582 * timevar.def (TV_FWPROP): New.
2583 * common.opt (-fforward-propagate): New.
2584 * opts.c (decode_options): Enable forward propagation at -O2.
2585 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
2586 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
2587 canon_for_address, table_size): Remove.
2588 (new_basic_block, insert, remove_from_table): Remove references to
2590 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
2591 simplification loop more straightforward by not calling fold_rtx
2593 (equiv_constant): Move here a small part of fold_rtx_subreg,
2594 do not call fold_rtx. Call avoid_constant_pool_reference
2596 * recog.h (canonicalize_change_group): New.
2598 * doc/invoke.texi (Optimization Options): Document fwprop.
2599 * doc/passes.texi (RTL passes): Document fwprop.
2601 2006-11-03 Geoffrey Keating <geoffk@apple.com>
2603 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
2604 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
2605 (grokdeclarator): Likewise.
2607 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
2609 * tree-dump.c (dump_enable_all): Rename local variable
2610 ir_type to avoid name conflicts.
2611 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
2612 instead of using ir_type().
2613 * profile.c (tree_register_profile_hooks): Likewise.
2614 * value-prof.c (tree_register_value_prof_hooks): Likewise.
2615 * basic-block.h (struct edge_def): Likewise.
2616 * config/arm/arm.c (legitimize_pic_address): Likewise.
2617 * coretypes.h (ir_type): New enum of all intermediate languages
2619 * cfghooks.c (ir_type): Rename to...
2620 (current_ir_type): ...this. Distinguish between cfgrtl and
2621 cfglayout mode when the current IR is RTL. Return enum ir_type.
2622 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
2624 2006-11-03 Paul Brook <paul@codesourcery.com>
2626 * config/arm/arm.c (arm_file_start): New function.
2627 (TARGET_ASM_FILE_START): Define.
2628 (arm_default_cpu): New variable.
2629 (arm_override_options): Set arm_default_cpu.
2631 2006-11-03 David Ung <davidu@mips.com>
2633 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
2634 PROCESSOR_24KC and PROCESSOR_24KF.
2635 * config/mips/mips.c (mips_cpu_info_table): Add processor names
2636 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
2637 (mips_rtx_cost_data): Add costs for the 24kc.
2638 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
2639 * config/mips/24k.md: Remove references to 24k and replace with
2640 uses of 24kc/24kf in the appropriate reservations.
2641 * doc/invoke.texi (MIPS Options): Updated.
2643 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2645 * config/sh/crt1.asm: Fix #ifdef indent.
2647 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2648 Merged from STMicroelectronics sources:
2649 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
2650 * config/sh/crt1.asm (vbr_600): Add missing #if.
2651 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
2652 * sh.opt (mfused-madd): New option.
2653 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
2654 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2655 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
2656 Remove pointless handler at VBR+0.
2657 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
2658 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
2659 fr7. Make sure the timer handler is called with the correct FPU
2660 precision setting, according to the ABI.
2661 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
2662 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
2663 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
2664 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
2665 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
2666 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
2667 zero as second operand.
2668 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
2669 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2670 Fixed some bugs related to negative values, in particular -0
2671 and overflow at -0x80000000.
2672 * config/sh/divcost-analysis: Added sh4-300 figures.
2673 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
2674 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
2675 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
2676 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
2677 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
2678 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2680 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
2682 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
2683 SH4-300 scheduling description & fixes to SH4-[12]00 description:
2684 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
2685 mac_mem, mem_mac, dfp_mul, fp_cmp.
2686 (insn_class, dfp_comp, any_fp_comp): Update.
2687 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
2688 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
2689 (muldf3_i): Likewise.
2690 (movsi_i): Split rI08 alternative into two separate alternatives.
2692 (movsi_ie, movsi_i_lowpart): Likewise.
2693 (movqi_i): Split ri alternative into two separate alternatives.
2695 * sh1.md (sh1_load_store, sh1_fp): Update.
2696 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
2697 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
2698 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
2699 (sh4a_fp_double_arith): Likewise.
2700 * sh4-300.md: New file.
2701 * sh.c (sh_handle_option): Handle m4-300* options.
2702 (sh_adjust_cost): Fix latency of auto-increments.
2703 Handle SH4-300 differently than other SH4s. Check for new insn types.
2704 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
2705 been set by an option.
2706 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
2707 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
2708 (mbranch-cost=): Likewise.
2709 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
2711 * sh.md (mulsf3): Remove special expansion code.
2712 (mulsf3_ie): Now a define_insn_and_split.
2713 (macsf3): Allow for TARGET_SH4.
2715 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
2716 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
2717 (expand_cbranchdi4): Likewise.
2718 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
2719 CONST_DOUBLE if the outer code is COMPARE.
2720 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
2721 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
2722 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
2723 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
2724 Remove redundant fp_{zero,one}_operand checks.
2725 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
2726 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
2727 (expand_cbranchdi4): Likewise.
2728 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
2729 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
2731 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
2733 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
2736 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
2738 * doc/invoke.texi: Fix mfp-trap-mode typo.
2740 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
2742 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
2743 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
2744 file_end_indicate_exec_stack.
2745 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
2747 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
2748 for a non-executable stack.
2749 * crti.asm: Likewise.
2750 * crtn.asm: Likewise.
2751 * libunwind.S: Likewise.
2753 2006-11-02 Ben Elliston <bje@au.ibm.com>
2755 * tree-ssa.c (warn_uninit): Use expand_location variables for
2756 locus and declaration locus.
2758 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
2761 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
2762 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
2763 cmp{eq,gt,gtu}{si,di}_media.
2764 (*cmpne0si_media): Remove.
2765 (*movsicc_umin): Adjust gen_cmp*_media call.
2766 (unordered): Change the mode of unordered and operands[1] to
2768 (seq): Adjust gen_cmp*_media calls. Make the mode of
2769 a temporary result of compare SImode if needed. If the mode
2770 of operands[0] is DImode, extend the temporary result to DImode.
2771 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
2772 (sunorderd): Change the mode of match_operand and unorderd to
2774 (cmpeq{sf,df}_media): Remove.
2775 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
2776 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
2777 and compare operation to SImode.
2779 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
2781 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
2783 (sparc64-sun-solaris2*): Likewise.
2785 2006-11-02 Paul Brook <paul@codesourcery.com>
2787 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
2788 from priority argument. Use different section for non-default
2790 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
2792 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
2795 * except.c (switch_to_exception_section): Do not cache the section
2796 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2797 and flag_function_sections is set.
2799 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2802 * builtins.c (do_mpfr_sincos): New.
2803 (fold_builtin_1): Use it to fold builtin sincos.
2805 2006-11-01 Roger Sayle <roger@eyesopen.com>
2807 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
2808 it into -D_REENTRANT.
2810 2006-11-01 Roger Sayle <roger@eyesopen.com>
2812 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
2813 whether the assembler supports taking the difference of symbols in
2814 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
2815 * configure: Regenerate.
2816 * config.in: Regenerate.
2817 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
2818 the assembler doesn't support taking the difference of symbols in
2819 different sections, i.e. we're using the native solaris assembler.
2821 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
2822 Peter Bergner <bergner@vnet.ibm.com>
2824 * doc/invoke.texi: Add cpu_type power6x
2825 (RS/6000 and PowerPC Options): Add -mmfpgpr.
2826 * config.gcc: Add cpu_type power6x.
2827 * configure.ac: Add test for mf{t,f}gpr instructions.
2828 (HAVE_AS_MFPGPR): New.
2829 * config.in: Regenerate.
2830 * configure: Regenerate.
2831 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
2832 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
2833 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
2834 and mftgpr attributes.
2835 (define_attr "cpu"): Add power6.
2836 Change instruction sequences to use new attributes.
2837 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
2838 (fix_truncdfsi2_mfpgpr): New.
2839 (floatsidf_ppc64_mfpgpr): New.
2840 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
2841 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
2842 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
2843 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
2844 (fix_truncdfsi2): Use gpc_reg_operand constraint.
2845 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
2846 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
2847 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
2848 cntlz,exts and var_delayed_compare.
2849 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2850 _ARCH_PWR6X, if features enabled.
2851 * config/rs6000/rs6000.opt (mmfpgpr): New.
2852 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
2853 (cached_can_issue_more): New variable.
2854 (processor_costs): Add power6_cost.
2855 (rs6000_sched_init): New function.
2856 (is_dispatch_slot_restricted): Deleted.
2857 (set_to_load_agen): New function.
2858 (is_load_insn,is_store_insn): New functions.
2859 (adjacent_mem_locations): New function.
2860 (insn_must_be_first_in_group): New function.
2861 (insn_must_be_last_in_group): New function.
2862 (rs6000_sched_reorder): New function.
2863 (rs6000_sched_reorder2): New function.
2864 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
2865 TARGET_SCHED_REORDER2): Define.
2866 (processor_target_table): Use PROCESSOR_POWER6 for power6.
2867 Add power6x. Add MASK_MFPGPR for power6x.
2868 (POWERPC_MASKS): Add MASK_MFPGPR.
2869 (rs6000_override_options): Set rs6000_always_hint to false
2870 for power6. Set rs6000_align_branch_targets. Replace
2871 rs6000_sched_groups check with rs6000_align_branch_targets.
2872 Use PROCESSOR_POWER6.
2873 (last_scheduled_insn): New variable.
2874 (load_store_pendulum): New variable.
2875 (rs6000_variable_issue): Set last_scheduled_insn and
2876 cached_can_issue_more.
2877 (rs6000_adjust_cost): Add power6 cost adjustments.
2878 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
2879 with insn_must_be_first_in_group. Add power6 priority adjustments.
2880 (rs6000_issue_rate): Add CPU_POWER6.
2881 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
2882 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
2883 (TARGET_MFPGPR): New.
2884 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
2885 (ASM_CPU_SPEC): Add power6x.
2886 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
2888 * config/rs6000/power6.md: New file.
2890 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
2892 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2893 HOST_WIDE_INT_PRINT to print high and low parts. Use
2894 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
2895 printing a hexadecimal number prefix it with 0x.
2897 2006-11-01 Chris Johns <chris@contemporary.net.au>
2900 * Makefile.in (install-driver): Use exeext when installing
2901 $target-gcc-$version.
2903 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
2905 * c-common.c (flag_cpp0x): New.
2906 * c-common.h (flag_cpp0x): New.
2907 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
2908 supported, define __GXX_EXPERIMENTAL_CPP0X__.
2909 * c-opts.c (set_std_cxx0x): New.
2910 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
2911 * c.opt (std=c++0x): Document.
2912 (std=gnu++0x): Ditto.
2913 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
2914 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
2916 2006-11-01 Richard Guenther <rguenther@suse.de>
2918 * config/i386/i386.c (ix86_expand_rint): Fix issues with
2920 (ix86_expand_floorceildf_32): Likewise.
2921 (ix86_expand_floorceil): Likewise.
2922 (ix86_expand_trunc): Likewise.
2924 2006-10-31 Andrew Pinski <pinskia@gmail.com>
2926 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
2929 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
2931 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
2933 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
2935 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
2937 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
2938 * configure.ac (use_cxa_atexit): As a special case, don't test
2939 for libc definition of __cxa_atexit on mingw32
2940 * configure: Regenerate.
2941 * config.gcc (i[34567]86-pc-mingw32): Default to
2942 enable__cxa_atexit=yes.
2944 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2946 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
2948 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2951 * c-decl.c (start_struct): Don't create self-containing
2953 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2955 * config/rs6000/rs6000-protos.h
2956 (darwin_rs6000_special_round_type_align): New.
2957 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
2958 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
2960 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2962 * toplev.c (compile_file): Call final_write_globals
2963 even if there have been errors.
2965 2006-10-31 Eric Christopher <echristo@apple.com>
2966 Falk Hueffner <falk@debian.org>
2968 * doc/extend.texi (__builtin_bswap32): Document.
2969 (__builtin_bswap64): Ditto.
2970 * doc/libgcc.texi (bswapsi2): Document.
2972 * doc/rtl.texi (bswap): Document.
2973 * optabs.c (expand_unop): Don't widen a bswap.
2974 (init_optabs): Init bswap. Set libfuncs explicitly
2975 for bswapsi2 and bswapdi2.
2976 * optabs.h (OTI_bswap): New.
2977 (bswap_optab): Ditto.
2978 * genopinit.c (optabs): Handle bswap_optab.
2979 * tree.h (tree_index): Add TI_UINT32_TYPE and
2981 (uint32_type_node): New.
2982 (uint64_type_node): Ditto.
2983 * tree.c (build_common_tree_nodes_2): Initialize
2984 uint32_type_node and uint64_type_node.
2985 * builtins.c (expand_builtin_bswap): New.
2986 (expand_builtin): Call.
2987 (fold_builtin_bswap): New.
2988 (fold_builtin_1): Call.
2989 * fold-const.c (tree_expr_nonnegative_p): Return true
2991 * builtin-types.def (BT_UINT32): New.
2993 (BT_FN_UINT32_UINT32): Ditto.
2994 (BT_FN_UINT64_UINT64): Ditto.
2995 * builtins.def (BUILT_IN_BSWAP32): New.
2996 (BUILT_IN_BSWAP64): Ditto.
2997 * rtl.def (BSWAP): New.
2998 * genattrtab.c (check_attr_value): New.
2999 * libgcc2.c (__bswapSI2): New.
3000 (__bswapDI2): Ditto.
3001 * libgcc2.h (__bswapSI2): Declare.
3002 (__bswapDI2): Ditto.
3003 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
3004 * simplify-rtx.c (simplify_const_unary_operation): Return
3006 * libgcc-std.ver (__bwapsi2): Add.
3007 (__bswapdi2): Ditto.
3008 * reload1.c (eliminate_regs_1): Add bswap.
3009 (elimination_effects): Ditto.
3010 * config/i386/i386.h (x86_bswap): New.
3011 (TARGET_BSWAP): Use.
3012 * config/i386/i386.c (x86_bswap): Set.
3014 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3016 * coverage.c (coverage_checksum_string): Update comment.
3017 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
3018 of get_file_function_name.
3019 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
3020 of get_file_function_name_long.
3021 * tree.c (get_file_function_name): Rename from
3022 get_file_function_name_long; improve comment; handle 'I' and 'D'
3023 specially when the target has ctor/dtor support; remove special
3025 (get_file_function_name): Remove.
3026 * tree.h (get_file_function_name): Rename from
3027 get_file_function_name_long.
3028 (get_file_function_name): Remove prototype.
3030 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3032 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
3033 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
3035 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
3036 Call dsymutil when compiling and linking one or more source files
3039 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3042 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
3044 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3046 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
3047 inline static functions in c99 mode.
3050 * doc/extend.texi (Inline): Update.
3051 * c-tree.h (struct language_function): Remove field 'extern_inline'.
3052 * c-decl.c (current_extern_inline): Delete.
3053 (pop_scope): Adjust test for an undefined nested function.
3054 Add warning about undeclared inline function.
3055 (diagnose_mismatched_decls): Update comments. Disallow overriding
3056 of inline functions in a translation unit in C99. Allow inline
3057 declarations in C99 at any time.
3058 (merge_decls): Boolize variables. Handle C99 'extern inline'
3060 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
3061 C99 inline semantics.
3062 (start_function): Don't clear current_extern_inline. Don't set
3064 (c_push_function_context): Don't push current_extern_inline.
3065 (c_pop_function_context): Don't restore current_extern_inline.
3068 * c-typeck.c (build_external_ref): Warn about static variables
3069 used in extern inline functions.
3070 * c-decl.c (start_decl): Warn about static variables declared
3071 in extern inline functions.
3073 2006-10-31 Roger Sayle <roger@eyesopen.com>
3076 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
3077 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
3078 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
3079 or y is an even integer.
3081 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
3084 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
3085 * gthr-posix95.h (__gthread_active_p): Likewise.
3087 2006-10-31 Richard Guenther <rguenther@suse.de>
3089 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
3090 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
3091 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
3092 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
3093 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
3094 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
3095 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
3096 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
3099 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
3101 * opts.c (decode_options): Disable CSE skip blocks.
3103 2006-10-30 Dirk Mueller <dmueller@suse.de>
3105 * c-common.h (strict_aliasing_warning): Fix whitespace.
3106 * c-decl (start_function): Move code for main decl warning ..
3107 * c-common.c (check_main_parameter_types): .. here.
3108 * c-common.h (check_main_parameter_types): Declare.
3110 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3113 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
3115 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
3117 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
3118 be a PARALLEL containing sets. Return false when out_pat is not
3121 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3123 * config/mips/mips.md (mul<mode>3): Split into...
3124 (mulsi3, muldi3): ...these separate patterns.
3126 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3128 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
3129 but with each set of options separated by spaces.
3131 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
3133 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
3134 dwarf_reg_size_table has been initialized.
3136 2006-10-30 Roger Sayle <roger@eyesopen.com>
3138 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
3139 * ddg.c (print_ddg_edge): Likewise.
3140 * dwarf2out.c (prune_unused_types_walk): Likewise.
3141 * ifcvt.c (noce_try_cmove_arith): Likewise.
3142 * langhooks.c (add_builtin_function): Likewise.
3143 * reg-stack.c (subst_stack_regs_pat): Likewise.
3144 * tree.c (expanded_location): Likewise.
3145 * tree-dump.c (dequeue_and_dump): Likewise.
3147 2006-10-30 David Daney <ddaney@avtrex.com>
3149 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
3151 2006-10-30 Jakub Jelinek <jakub@redhat.com>
3153 PR tree-optimization/29637
3154 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
3155 of the innertype is the innertype itself.
3157 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
3159 * dwarf2out.c (file_name_acquire): Correct typo.
3161 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
3163 * tree.h (tree_value_handle): Remove struct value_set declaration.
3164 Change value_set to bitmap_set.
3165 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
3166 * tree-vn.c (get_value_handle): Made inline and moved to
3168 * tree-flow-inline.h: (has_stmt_ann): New function.
3169 * tree-ssa-pre.c (expressions): New variable.
3170 (next_expression_id): Ditto.
3171 (alloc_expression_id): New function.
3172 (struct value_set): Remove.
3173 (get_expression_id): New function.
3174 (get_or_alloc_expression_id): Ditto.
3175 (expression_for_id): Ditto.
3176 (clear_expression_ids): Ditto.
3177 (FOR_EACH_EXPR_ID_IN_SET): New macro.
3178 (bb_value_sets): Renamed to bb_bitmap_sets.
3179 All value sets replaced with bitmap_sets.
3181 (BB_VISITED): New macro.
3182 (postorder): New variable.
3183 (add_to_value): Removed.
3184 (value_exists_in_set_bitmap): Ditto.
3185 (value_insert_into_set_bitmap): Ditto.
3188 (set_remove): Ditto.
3189 (set_contains_value): Ditto.
3190 (insert_into_set): Ditto.
3192 (find_leader): Ditto.
3193 (bitmap_set_subtract_from_value_set): Ditto.
3194 (value_insert_into_set): Ditto.
3195 (print_value_set): Ditto.
3196 (debug_value_set): Ditto.
3197 (constant_expr_p): New function.
3198 (bitmap_remove_from_set): Ditto.
3199 (bitmap_insert_into_set): Ditto.
3200 (bitmap_set_free): Ditto.
3201 (vh_compare): Ditto.
3202 (sorted_array_from_bitmap_set): Ditto.
3203 (bitmap_set_subtract): Ditto.
3204 (bitmap_set_equal): Ditto.
3205 (debug_bitmap_set): Ditto.
3206 (find_leader_in_sets): Ditto.
3207 (bitmap_set_replace_value): Modify for bitmapped sets.
3208 (phi_translate): Ditto.
3209 (phi_translate_set): Ditto.
3210 (bitmap_find_leader): Ditto.
3211 (valid_in_sets): Ditto.
3212 (union_contains_value): Ditto.
3214 (compute_antic_aux): Ditto. Mark changed blocks.
3215 (compute_antic): Ditto. Iterate in postorder and only over
3217 (compute_rvuse_and_antic_safe): Reuse postorder.
3218 (create_component_ref_by_pieces): Modify for bitmapped sets.
3219 (find_or_generate_expression): Ditto.
3220 (create_expression_by_pieces): Ditto.
3221 (insert_into_preds_of_block): Ditto.
3222 (changed_blocks): New variable.
3223 (do_regular_insertion): Broken out from insert_aux.
3224 (insert_aux): Modified for bitmapped sets.
3225 (find_existing_value_expr): New function.
3226 (create_value_expr_from): Use it.
3227 (insert_extra_phis): Removed.
3228 (print_bitmap_set): Renamed from bitmap_print_value_set.
3229 (compute_avail): Handle RETURN_EXPR.
3230 (init_pre): Modify for bitmapped sets.
3231 * tree-flow.h (has_stmt_ann): New function.
3233 2006-10-29 Roger Sayle <roger@eyesopen.com>
3235 * builtins.c (fold_builtin_floor): Check for the availability of
3236 the C99 trunc function before transforming floor into trunc.
3238 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3240 * builtins.c (fold_builtin_hypot): Rearrange recursive
3241 transformation before others, and also do ABS_EXPR. When
3242 necessary, check flag_unsafe_math_optimizations. When necessary,
3245 2006-10-29 Roger Sayle <roger@eyesopen.com>
3247 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
3248 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
3249 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
3250 Fold -X eq/ne -Y as X eq/ne Y.
3252 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3254 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
3255 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
3256 rather than GENERATE_MULT3_SI in the various define_peephole2s.
3257 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
3258 Use an inclusive test for "mult" rather than "mul".
3259 (rotr<mode>3): Depend on ISA_HAS_ROR.
3260 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
3262 (GENERATE_MULT3_DI): Delete.
3263 (ISA_HAS_64BIT_REGS): Use consistent formatting.
3264 (ISA_HAS_MUL3): New macro.
3265 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
3266 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
3267 (ISA_HAS_CLZ_CLO): Likewise.
3268 (ISA_HAS_DCLZ_DCLO): Delete.
3269 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
3270 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
3271 the VR4120 and VR4130.
3272 (ISA_HAS_MACCHI): Use consistent formatting.
3273 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
3274 (ISA_HAS_ROR): ...this new macro.
3275 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
3276 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
3277 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
3279 2006-10-29 Roger Sayle <roger@eyesopen.com>
3281 PR tree-optimization/15458
3282 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
3285 2006-10-29 Richard Guenther <rguenther@suse.de>
3287 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
3288 (ix86_expand_truncdf_32): Likewise.
3289 * config/i386/i386.c (ix86_expand_trunc): New function expanding
3290 trunc inline for SSE math and -fno-trapping-math and if not
3291 optimizing for size.
3292 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
3293 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
3294 for expanding btrunc inline for SSE math.
3296 2006-10-29 Joseph Myers <joseph@codesourcery.com>
3298 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
3299 Handle tuning for bi-arch i[34567]86-*-linux* like that for
3300 i[34567]86-*-solaris2.1[0-9]*.
3301 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
3302 Define conditionally depending on TARGET_64BIT_DEFAULT.
3303 (SPEC_32, SPEC_64): Define.
3304 (LINK_SPEC): Use them.
3305 * doc/install.texi (--enable-targets=all): Document for x86-linux.
3307 2006-10-29 Richard Guenther <rguenther@suse.de>
3309 * config/i386/i386-protos.h (ix86_expand_round): Declare.
3310 (ix86_expand_rounddf_32): Likewise.
3311 * config/i386/i386.c (ix86_expand_round): New function expanding
3312 round inline for SSE math and -fno-trapping-math and if not
3313 optimizing for size.
3314 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
3315 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
3316 round via ix86_expand_round.
3318 2006-10-29 Richard Guenther <rguenther@suse.de>
3320 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
3321 (ix86_expand_floorceildf_32): Likewise.
3322 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
3323 static helper function.
3324 (ix86_expand_floorceil): Expander for floor and ceil to SSE
3326 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
3327 * config/i386/i386.md (floordf2): Adjust to enable floor
3328 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
3329 -fno-trapping-math is enabled and if not optimizing for size.
3330 (floorsf2, ceildf2, ceilsf2): Likewise.
3331 * config/i386/sse.md (sse_maskcmpsf3): New insn.
3332 (sse2_maskcmpdf3): Likewise.
3334 2006-10-29 Richard Guenther <rguenther@suse.de>
3336 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
3337 rint in case -fno-trapping-math is enabled.
3338 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
3339 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
3340 (ix86_expand_sse_fabs): Likewise.
3341 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
3342 * config/i386/i386.md (rintdf2): Enable for SSE math if
3343 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
3344 (rintsf2): Likewise.
3346 2006-10-29 Richard Guenther <rguenther@suse.de>
3348 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
3349 to conversion optabs.
3350 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
3351 as conversion optab.
3352 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
3353 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
3354 (lfloor_optab, lceil_optab): Adjust defines.
3355 * builtins.c (expand_builtin_int_roundingfn): Adjust for
3356 lfloor and lceil optabs now being conversion optabs.
3357 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
3358 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
3359 New static helper function.
3360 (ix86_expand_lfloorceil): New function to expand lfloor and
3362 * config/i386/i386.md (lfloor<mode>2): Split into ...
3363 (lfloorxf<mode>2): ... x87 variant
3364 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
3365 using ix86_expand_lfloorceil.
3366 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
3368 * doc/md.texi (lfloorMN, lceilMN): Document.
3370 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3372 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
3373 -mno-shared assembler option on mips targets.
3374 * configure, config.in: Regenerate.
3375 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
3376 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
3377 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
3379 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3381 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
3382 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
3384 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
3386 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
3387 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
3390 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3393 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
3394 (fold_builtin_pow): Evaluate constant arguments at compile-time
3396 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
3397 (do_mpfr_ckconv): New helper function.
3398 (do_mpfr_arg1): Use do_mpfr_ckconv.
3399 (do_mpfr_arg2): New.
3401 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
3404 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
3405 (-fdump-rtl-sched): Rename to ..
3406 (-fdump-rtl-sched1): here. Also fix file extension number.
3408 2006-10-28 Richard Guenther <rguenther@suse.de>
3410 * fold-const.c (maybe_canonicalize_comparison): Fix code
3413 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3415 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
3416 (NON_QI_REG_P): Use IN_RANGE.
3417 (REX_INT_REGNO_P): Use IN_RANGE.
3418 (FP_REGNO_P): Use IN_RANGE.
3419 (SSE_REGNO_P): Use IN_RANGE.
3420 (REX_SSE_REGNO_P): Use IN_RANGE.
3421 (MMX_REGNO_P): Use IN_RANGE.
3422 (STACK_REGNO_P): New macro.
3423 (STACK_REG_P): Use STACK_REGNO_P.
3424 (NON_STACK_REG_P): Use STACK_REGNO_P.
3425 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
3426 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
3427 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
3428 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
3429 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
3431 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
3433 * except.h (output_function_exception_table): Add 'const char*' param.
3434 * except.c (switch_to_exception_section): Add 'const char*' param.
3435 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
3436 and flag_function_sections is set, use a function-specific section.
3437 (output_function_exception_table): Add 'const char*' param.
3438 Adjust call to switch_to_exception_section.
3439 * final.c (rest_of_handle_final): Adjust calls to
3440 output_function_exception_table.
3441 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
3442 * config.in: Regenerate.
3443 * configure: Likewise.
3445 2006-10-28 Richard Guenther <rguenther@suse.de>
3448 * fold-const.c (maybe_canonicalize_comparison_1): Helper
3449 for maybe_canonicalize_comparison.
3450 (maybe_canonicalize_comparison): New function for canonicalizing
3452 (fold_comparison): Call it to canonicalize comparisons with
3455 2006-10-28 Richard Guenther <rguenther@suse.de>
3458 * builtins.c (expand_builtin_int_roundingfn_2): Expand
3459 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
3460 (expand_builtin): Adjust likewise.
3461 * genopinit.c (optabs[]): Add lround optab.
3462 * optabs.c (init_optabs): Initialize lround_optab.
3463 * optabs.h (enum convert_optab_index): Add COI_lround.
3464 (lround_optab): Define.
3465 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
3466 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
3468 (ix86_expand_lround): New function.
3469 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
3471 * doc/md.texi (lroundMN2): Document.
3473 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3476 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
3477 argument to HOST_WIDE_INT. Update function prototype.
3478 (round_frame_size): Change return type to HOST_WIDE_INT. Change
3479 "size" argument to HOST_WIDE_INT. Update function prototype.
3481 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3483 * config/i386/i386.c (output_387_ffreep): Create output from a
3484 template string for !HAVE_AS_IX86_FFREEP.
3486 2006-10-27 Eric Christopher <echristo@apple.com>
3488 * config/darwin.c: Fix formatting and grammar.
3490 2006-10-27 Jan Hubicka <jh@suse.cz>
3492 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
3493 to be thrown away soon when IGNORE is set.
3494 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
3495 indicating when return value shall not be computed.
3496 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
3498 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
3500 * config/i386/i386.h (TARGET_GEODE):
3501 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
3502 (TARGET_CPU_DEFAULT_geode): New macro.
3503 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
3504 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
3505 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
3506 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
3507 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
3509 (TARGET_CPU_DEFAULT_NAMES): Add geode.
3510 (processor_type): Add PROCESSOR_GEODE.
3512 * config/i386/i386.md: Include geode.md.
3515 * config/i386/i386.c (geode_cost): New initialized global
3517 (m_GEODE, m_K6_GEODE): New macros.
3518 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
3519 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
3520 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
3521 x86_schedule): Use m_K6_GEODE instead of m_K6.
3522 (x86_movx, x86_cmove): Set up m_GEODE.
3523 (x86_integer_DFmode_moves): Clear m_GEODE.
3524 (processor_target_table): Add entry for geode.
3525 (processor_alias_table): Ditto.
3527 * config/i386/geode.md: New file.
3529 * doc/invoke.texi: Add entry about geode processor.
3531 2006-10-27 Mike Stump <mrs@apple.com>
3533 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
3534 __DYNAMIC__ from here back to ...
3535 * config/darwin.h (CPP_SPEC): ... here.
3537 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3538 Nathan Sidwell <nathan@codesourcery.com>
3540 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
3541 when choosing the minimum heapsize.
3543 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3545 * gcc/unwind-dw2.h: Move cfa-related variables into
3546 struct frame_state_reg_info to ensure that the CFA is properly
3547 handled when executing DW_CFA_{remember,restore}_state.
3548 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
3549 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
3550 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
3551 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
3552 gcc/config/rs6000/linux-unwind.h,
3553 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
3554 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
3555 Modify to use new cfa_* fields.
3557 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
3559 * config/s390/s390.c (s390_init_frame_layout): Check positive
3562 2006-10-26 Ben Elliston <bje@au.ibm.com>
3564 * gimplify.c (get_name): Remove extraneous break.
3565 (gimplify_omp_for): Initialise ret with GS_OK.
3567 2006-10-25 Steve Ellcey <sje@cup.hp.com>
3569 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
3570 Add unix98.o to link line.
3572 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3575 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
3576 Calculate compile-time constants using MPFR.
3577 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
3578 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
3580 2006-10-25 Bob Wilson <bob.wilson@acm.org>
3582 * config/xtensa/lib2funcs.S: Use C-style comments.
3584 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
3586 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
3587 (file_table_relative_p): Likewise.
3588 (dwarf2out_finish): Likewise.
3589 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
3591 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
3593 * tree-ssa-structalias.c (intra_create_variable_infos):
3594 Don't recreate nonlocal_all if it already exists.
3596 2006-10-25 Richard Guenther <rguenther@suse.de>
3599 * optabs.h (enum optab_index): Remove OTI_lrint.
3600 (enum convert_optab_index): Add COI_lrint.
3601 (lrint_optab): Adjust.
3602 (expand_sfix_optab): Declare.
3603 * optabs.c (expand_sfix_optab): New function.
3604 (init_optabs): Init lrint_optab as conversion optab.
3605 * genopinit.c (lrint_optab): Change to a conversion optab.
3606 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
3607 expansion via conversion optab.
3608 * config/i386/i386.md (*fistdi2_1): Remove
3609 flag_unsafe_math_optimizations guard.
3610 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
3611 fist<mode>2_with_temp): Likewise.
3612 (lrint<mode>2): Split into...
3613 (lrintxf<mode>2): ... x87 part
3614 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
3615 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
3616 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
3617 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
3618 * doc/md.texi (lrintMN2): Document.
3620 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3623 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
3624 Use inc and dec instructions for TARGET_USE_INCDEC.
3625 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
3626 ("sync_double_compare_and_swap<mode>"): Likewise.
3627 ("*sync_double_compare_and_swapdi_pic"): Likewise.
3628 ("*sync_compare_and_swap_cc<mode>"): Likewise.
3629 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
3630 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
3631 ("sync_old_add<mode>"): Likewise.
3632 ("sync_lock_test_and_set<mode>"): Likewise.
3633 ("sync_lock_test_and_set<mode>"): Likewise.
3634 ("sync_add<mode>"): Likewise.
3635 ("sync_sub<mode>"): Likewise.
3636 ("sync_ior<mode>"): Likewise.
3637 ("sync_and<mode>"): Likewise.
3638 ("sync_xor<mode>"): Likewise.
3640 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3642 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
3643 (remainder_optab): Define corresponding macro.
3644 (drem_optab): Remove.
3645 * optabs.c (init_optabs): Initialize remainder_optab. Remove
3646 drem_optab initialization.
3647 * genopinit.c (optabs): Implement remainder_optab using
3648 remainder?f3 patterns. Remove drem_optab.
3649 * builtins.c (expand_builtin_mathfn_2): Handle
3650 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
3651 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
3652 expand_builtin_mathfn_2.
3654 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
3655 depend on flag_unsafe_math_optimizations.
3657 * config/i386/i386.md ("remaindersf3", "remainderdf3")
3658 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
3659 Do not depend on flag_unsafe_math_optimizations. Use
3660 truncxf?f expander instead of truncxf?f_i387_noop.
3662 ("fpremxf4", "fprem1xf4"): Do not depend on
3663 flag_unsafe_math_optimizations.
3664 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
3665 flag_unsafe_math_optimizations. Use truncxf?f expander
3666 instead of truncxf?f_i387_noop.
3668 * doc/md.texi (fmod, remainder): Document standard named pattern.
3670 2006-10-24 Richard Sandiford <richard@codesourcery.com>
3671 David Daney <ddaney@avtrex.com>
3674 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
3676 2006-10-25 Ben Elliston <bje@au.ibm.com>
3678 * doc/extend.texi (Variable Attributes): Typo fix.
3680 2006-10-24 Uros Bizjak <uros@kss-loka.si>
3682 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
3683 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
3684 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
3685 (FRAME_POINTER_REGNUM): Update register number to 21.
3686 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
3687 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
3689 * config/i386/i386.c (regclass_map): Add fpcr entry.
3690 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
3692 (print_reg): Assert REGNO (x) != FPCR_REG.
3694 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
3695 (DIRFLAG_REG): Renumber.
3696 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
3697 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
3698 (sse_prologue_save, *sse_prologue_save_insn): Renumber
3699 hardcoded SSE register numbers.
3701 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
3702 hardcoded MMX register numbers.
3704 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3707 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
3708 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
3710 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
3711 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
3712 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
3713 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
3715 2006-10-24 Richard Guenther <rguenther@suse.de>
3718 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
3719 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
3720 for deciding optimizations in consistency with fold-const.c
3721 (fold_builtin_unordered_cmp): Likewise.
3723 2006-10-24 Richard Guenther <rguenther@suse.de>
3725 * builtins.c (fold_builtin_floor): Fold floor (x) where
3726 x is nonnegative to trunc (x).
3727 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
3728 nonnegative to FIX_TRUNC_EXPR.
3730 2006-10-24 Richard Guenther <rguenther@suse.de>
3732 PR tree-optimization/29567
3733 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
3734 for TRUTH_NOT_EXPR. Clarify comments.
3736 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3739 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
3740 at compile-time using MPFR. Change parameter VALUE to FUNC,
3742 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
3743 for overflow and underflow at all times and avoid folding in
3746 2006-10-24 Ben Elliston <bje@au.ibm.com>
3748 * reload1.c: Formatting fixes.
3750 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
3752 PR tree-optimization/14784
3753 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
3754 * tree-ssa-structalias.c (get_constraint_for,
3755 intra_create_variable_infos): Set is_heapvar.
3756 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
3757 non-heapvar pointer variables specially.
3759 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3762 * builtins.c (fold_builtin_sin, fold_builtin_cos,
3763 fold_builtin_tan): Fold all constant arguments. Take a "type"
3764 argument as necessary.
3765 (do_mpfr_arg1): New.
3766 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
3768 2006-10-23 Bob Wilson <bob.wilson@acm.org>
3770 * config/xtensa/lib1funcs.asm: Use C-style comments.
3772 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
3774 * tree.c (local_define_builtin): Replace calls to
3775 lang_hooks.builtin_function with add_builtin_function.
3776 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
3778 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
3780 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
3781 common code to add_builtin_function.
3782 * langhooks.c (add_builtin_function): New function.
3783 (lhd_builtin_function): New function.
3784 * langhooks.h (struct lang_hooks): Change the signature of
3786 (add_builtin_function): New function.
3787 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
3788 calls to lang_hooks.builtin_function with add_builtin_function.
3789 * c-common.c (decl_builtin_1): Replace calls to
3790 lang_hooks.builtin_function with add_builtin_function.
3791 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
3792 lang_hooks.builtin_function with add_builtin_function.
3793 * config/frv/frv.c (def_builtin): Replace calls to
3794 lang_hooks.builtin_function with add_builtin_function.
3795 * config/s390/s390.c (s390_init_builtins): Replace calls to
3796 lang_hooks.builtin_function with add_builtin_function.
3797 * config/sparc/sparc.c (def_builtin): Replace calls to
3798 lang_hooks.builtin_function with add_builtin_function.
3799 * config/i386/i386.c (def_builtin): Replace calls to
3800 lang_hooks.builtin_function with add_builtin_function.
3801 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
3802 lang_hooks.builtin_function with add_builtin_function.
3803 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
3804 lang_hooks.builtin_function with add_builtin_function.
3805 * config/stormy16/stormy16.c (xstormy16_init_builtins):
3806 Replace calls to lang_hooks.builtin_function with
3807 add_builtin_function.
3808 * config/iq2000/iq2000.c (def_builtin):
3809 Replace calls to lang_hooks.builtin_function with
3810 add_builtin_function.
3811 * config/ia64/ia64.c (def_builtin): Replace calls to
3812 lang_hooks.builtin_function with add_builtin_function.
3813 * config/rs6000/rs6000.c (def_builtin): Replace calls to
3814 lang_hooks.builtin_function with add_builtin_function.
3815 (altivec_init_builtins): Replace calls to
3816 lang_hooks.builtin_function with add_builtin_function.
3817 * config/arm/arm.c (def_mbuiltin): Replace calls to
3818 lang_hooks.builtin_function with add_builtin_function.
3819 (arm_init_tls_builtins): Replace calls to
3820 lang_hooks.builtin_function with add_builtin_function.
3821 * config/mips/mips.c (mips_init_builtins): Replace calls to
3822 lang_hooks.builtin_function with add_builtin_function.
3823 * config/bfin/bfin.c (def_builtin): Replace calls to
3824 lang_hooks.builtin_function with add_builtin_function.
3825 * langhooks-def.h (lhd_builtin_function): New function.
3826 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
3828 2006-10-23 Jakub Jelinek <jakub@redhat.com>
3830 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
3831 BUILT_IN_STRNCAT_CHK.
3833 2006-10-23 Jan Hubicka <jh@suse.cz>
3835 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
3836 don't do conversion from memmove to memcpy here.
3837 (expand_builtin_bcopy, expand_builtin): Update call of
3838 expand_builtin_memmove.
3839 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
3841 2006-10-23 Paul Brook <paul@codesourcery.com>
3843 * stor-layout.c (start_record_layout): maximum_field_alignment
3844 overrides STRUCTURE_SIZE_BOUNDARY.
3846 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
3848 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
3849 nonlocal function symbols if flag_pic.
3851 2006-10-23 Richard Guenther <rguenther@suse.de>
3855 * builtins.c (fold_binary): Remove checks for flag_wrapv
3856 and flag_trapv where negate_expr_p covers these cases.
3858 2006-10-23 Richard Guenther <rguenther@suse.de>
3861 * fold-const.c (fold_plusminus_mult_expr): Check exact power
3862 of two on the absolute value.
3863 (fold_binary): Fold x * -C to -x * C if x is easily negatable
3864 and negating -C does not overflow.
3866 2006-10-23 Richard Guenther <rguenther@suse.de>
3869 * convert.c (convert_to_real): Fold (float)-x to -(float)x
3870 only if not flag_rounding_math.
3872 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3873 Kaz Kojima <kkojima@gcc.gnu.org>
3876 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
3877 SImode memory reference for the source of a movua.
3878 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
3879 (movua): Use an unspec instead of sign_extract. Expect the source
3880 to have mode BLKmode.
3881 (extv, insv): Use a BLKmode rather than SImode memory reference
3882 for the source of a movua.
3884 2006-10-22 Jeff Law <law@redhat.com>
3885 Richard Guenther <rguenther@suse.de>
3887 PR tree-optimization/15911
3888 * tree-vrp.c (extract_code_and_val_from_cond): New function.
3889 (register_edge_assert_for_1): Likewise.
3890 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
3891 (find_conditional_asserts): Adjust for new function signature.
3892 (find_assert_locations): Likewise.
3894 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3896 * config/i386/tmmintrin.h: Remove the duplicated content.
3898 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3900 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
3901 (x86_64-*-*): Likewise.
3903 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
3904 (override_options): Check SSSE3.
3905 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
3906 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
3907 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
3908 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
3909 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
3910 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
3911 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
3912 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
3913 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
3914 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
3915 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
3916 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
3917 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
3918 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
3919 IX86_BUILTIN_PABSD128.
3920 (bdesc_2arg): Add SSSE3.
3921 (bdesc_1arg): Likewise.
3922 (ix86_init_mmx_sse_builtins): Support SSSE3.
3923 (ix86_expand_builtin): Likewise.
3924 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
3926 * config/i386/i386.md (UNSPEC_PSHUFB): New.
3927 (UNSPEC_PSIGN): Likewise.
3928 (UNSPEC_PALIGNR): Likewise.
3929 Include mmx.md before sse.md.
3931 * config/i386/i386.opt: Add -mssse3.
3933 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
3934 (ssse3_phaddwv4hi3): Likewise.
3935 (ssse3_phadddv4si3): Likewise.
3936 (ssse3_phadddv2si3): Likewise.
3937 (ssse3_phaddswv8hi3): Likewise.
3938 (ssse3_phaddswv4hi3): Likewise.
3939 (ssse3_phsubwv8hi3): Likewise.
3940 (ssse3_phsubwv4hi3): Likewise.
3941 (ssse3_phsubdv4si3): Likewise.
3942 (ssse3_phsubdv2si3): Likewise.
3943 (ssse3_phsubswv8hi3): Likewise.
3944 (ssse3_phsubswv4hi3): Likewise.
3945 (ssse3_pmaddubswv8hi3): Likewise.
3946 (ssse3_pmaddubswv4hi3): Likewise.
3947 (ssse3_pmulhrswv8hi3): Likewise.
3948 (ssse3_pmulhrswv4hi3): Likewise.
3949 (ssse3_pshufbv16qi3): Likewise.
3950 (ssse3_pshufbv8qi3): Likewise.
3951 (ssse3_psign<mode>3): Likewise.
3952 (ssse3_psign<mode>3): Likewise.
3953 (ssse3_palignrti): Likewise.
3954 (ssse3_palignrdi): Likewise.
3955 (abs<mode>2): Likewise.
3956 (abs<mode>2): Likewise.
3958 * config/i386/tmmintrin.h: New file.
3960 * doc/extend.texi: Document SSSE3 built-in functions.
3962 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
3964 2006-10-22 Ira Rosen <irar@il.ibm.com>
3966 * tree-vect-transform.c (vectorizable_load): Use the type of the
3967 return value of the mask_for_load builtin to create realign_load
3970 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3972 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
3975 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
3977 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
3978 (UNSPEC_LDDQU): This.
3979 * config/i386/sse.md (sse3_lddqu): Updated.
3981 2006-10-21 Richard Guenther <rguenther@suse.de>
3983 * builtins.c (expand_builtin_int_roundingfn_2): New function.
3984 (expand_builtin): Use it to expand lrint instead of
3985 expand_builtin_mathfn.
3987 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3990 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
3991 flag_unsafe_math_optimizations is set.
3993 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3996 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
3997 patterns to use memory input operand in x87->mem->XMM
3998 reload sequences. Skip transformation for TARGET_K8.
4000 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4002 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
4003 force operand1 to register if both operands are memory operands.
4004 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
4005 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
4006 if both operands are memory operands.
4007 (truncdfsf2): Do not force operand1 to register if both operands
4008 are memory operands.
4010 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4012 * Makefile.in (LIBS): Add $(GMPLIBS).
4013 * doc/install.texi: Update GMP and MPFR requirements.
4014 * doc/sourcebuild.texi (need_gmp): Delete.
4016 2006-10-21 Richard Guenther <rguenther@suse.de>
4018 PR tree-optimization/3511
4019 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
4020 got new invariant arguments during PHI translation.
4022 2006-10-21 Richard Guenther <rguenther@suse.de>
4025 * fold-const.c (fold_comparison): Fold signed comparisons
4026 of the form X +- C1 CMP Y +- C2.
4028 2006-10-21 Richard Guenther <rguenther@suse.de>
4031 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
4032 if flag_unsafe_math_optimizations is specified. We have
4033 flag_finite_math_only for that.
4034 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
4035 or flag_unsafe_math_optimizations.
4037 2006-10-21 Richard Guenther <rguenther@suse.de>
4039 * builtins.c (fold_builtin_classify): Fix typo.
4041 2006-10-21 Richard Guenther <rguenther@suse.de>
4044 * simplify-rtx.c (simplify_const_relational_operation):
4045 Do not constant-fold ORDERED and UNORDERED for
4046 flag_unsafe_math_optimizations but only we do not need to
4047 honor NaNs for the given mode.
4049 2006-10-21 Richard Guenther <rguenther@suse.de>
4052 * config/i386/i386.c (classify_argument): Remove redundant
4053 walking of the BINFOs.
4054 (contains_128bit_aligned_vector_p): Likewise.
4056 2006-10-20 Mark Mitchell <mark@codesourcery.com>
4058 * BASE-VER: Set to 4.3.0.
4060 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
4062 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
4063 (tree_decl_with_vis): Remove artificial_pta_var flag.
4064 * tree-flow.h (referenced_var_check_and_insert): Expose.
4065 (nonlocal_all): New prototype.
4066 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
4067 (nonlocal_all): Make global.
4068 (nonlocal_lookup): Remove.
4069 (nonlocal_insert): Ditto.
4070 (create_nonlocal_var): Do not call nonlocal_insert.
4071 (get_nonlocal_id_for_type): Remove.
4072 (find_global_initializers): Mark new vars we find for renaming.
4073 (intra_create_variable_infos): Only create one nonlocal.
4074 (expand_nonlocal_solutions): Remove.
4075 (compute_points_to_sets): Don't call it.
4076 (ipa_pta_execute): Ditto.
4077 (init_alias_heapvars): Don't create nonlocal_for_type.
4078 (delete_alias_heapvars): Don't remove it.
4079 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
4082 2006-10-19 Brooks Moses <bmoses@stanford.edu>
4084 * doc/install.texi (Downloading GCC): Clarify mention of
4085 Fortran in the "full distribution" description.
4087 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
4089 Fix PR tree-optimization/28778
4090 Fix PR tree-optimization/29156
4091 Fix PR tree-optimization/29415
4092 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
4093 (tree_decl_with_vis): Add artificial_pta_var flag.
4094 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
4095 pushed into callers.
4096 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
4097 (nonlocal_all): Ditto.
4098 (struct variable_info): Add directly_dereferenced member.
4099 (var_escaped_vars): New variable.
4100 (escaped_vars_tree): Ditto.
4101 (escaped_vars_id): Ditto.
4102 (nonlocal_vars_id): Ditto.
4103 (new_var_info): Set directly_dereferenced.
4104 (graph_size): New variable
4105 (build_constraint_graph): Use graph_size.
4106 (solve_graph): Don't process constraints that cannot change the
4107 solution, don't try to propagate an empty solution to our
4109 (process_constraint): Set directly_dereferenced.
4110 (could_have_pointers): New function.
4111 (get_constraint_for_component_ref): Don't process STRING_CST.
4112 (nonlocal_lookup): New function.
4113 (nonlocal_insert): Ditto.
4114 (create_nonlocal_var): Ditto.
4115 (get_nonlocal_id_for_type): Ditto.
4116 (get_constraint_for): Allow results vector to be empty in the case
4117 of string constants.
4118 Handle results of calls properly.
4119 (update_alias_info): Update alias info stats on number and type of
4121 (find_func_aliases): Use could_have_pointers.
4122 (make_constraint_from_escaped): Renamed from
4123 make_constraint_to_anything, and changed to make constraints from
4125 (make_constraint_to_escaped): New function.
4126 (find_global_initializers): Ditto.
4127 (create_variable_info_for): Make constraint from escaped to any
4128 global variable, and from any global variable to the set of
4130 (intra_create_variable_infos): Deal with escaped instead of
4131 pointing to anything.
4132 (set_uids_in_ptset): Do type pruning on directly dereferenced
4134 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
4135 (init_base_vars): Fix comment, and initialize escaped_vars.
4136 (need_to_solve): Removed.
4137 (find_escape_constraints): New function.
4138 (expand_nonlocal_solutions): Ditto.
4139 (compute_points_to_sets): Call find_escape_constraints and
4140 expand_nonlocal_solutions.
4141 (delete_points_to_sets): Don't fall off the end of the graph.
4142 (init_alias_heapvars): Initialize nonlocal_for_type and
4144 (delete_alias_heapvars): Free nonlocal_for_type and null out
4147 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
4149 * fold-const.c (add_double): Rename to add_double_with_sign.
4150 Add 'unsigned_p' parameter and take it into account for the overflow.
4151 (mul_double): Rename to mul_double_with_sign.
4152 Add 'unsigned_p' parameter and take it into account for the overflow.
4153 (fold_div_compare): Call add_double_with_sign instead of add_double
4154 and mul_double_with_sign instead of mul_double, passing them the
4155 unsignedness of the type.
4156 * tree.h (add_double): Macroize.
4157 (add_double_with_sign): New prototype.
4158 (mul_double): Macroize.
4159 (mul_double_with_sign): New prototype.
4161 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
4163 * config/score/crti.asm: New file.
4164 * config/score/crtn.asm: New file.
4165 * config/score/elf.h: New file.
4166 * config/score/mac.md: New file.
4167 * config/score/misc.md: New file.
4168 * config/score/mul-div.S: New file.
4169 * config/score/predicates.md: New file.
4170 * config/score/score7.md: New file.
4171 * config/score/score.c: New file.
4172 * config/score/score-conv.h: New file.
4173 * config/score/score.h: New file.
4174 * config/score/score.md: New file.
4175 * config/score/score-mdaux.c: New file.
4176 * config/score/score-mdaux.h: New file.
4177 * config/score/score-modes.def: New file.
4178 * config/score/score.opt: New file.
4179 * config/score/score-protos.h: New file.
4180 * config/score/score-version.h: New file.
4181 * config/score/t-score-elf: New file.
4182 * config.gcc: Add score*-*-* configurations(Update before).
4183 * doc/invoke.texi (Score Options): New section.
4184 * doc/md.texi (Score family): New section to document constraints.
4186 2006-10-19 Nick Clifton <nickc@redhat.com>
4188 * config/arm/arm.c: Fix spelling typo.
4190 2006-10-18 Tom Tromey <tromey@redhat.com>
4192 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
4194 2006-10-18 Jan Hubicka <jh@suse.cz>
4197 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
4200 2006-10-18 Marcin Dalecki <martin@dalecki.de>
4202 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
4203 TSI_SAME_STMT, since that's the desired entity.
4205 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
4207 * config/s390/contraints.md: New file.
4208 * config/s390/s390-protos.h (s390_mem_constraint,
4209 s390_O_constraint_str, s390_N_constraint_str,
4210 s390_float_const_zero_p): Function prototypes added.
4211 * config/s390/s390.c (s390_extra_constraint_str,
4212 s390_const_double_ok_for_constraint_p,
4213 s390_const_ok_for_constraint_p): Functions removed.
4214 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
4215 s390_float_const_zero_p): New functions.
4216 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
4217 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
4218 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
4219 Macro definitions removed.
4220 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
4221 s390_extra_constraint_str): Functions removed.
4223 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
4224 Richard Sandiford <richard@codesourcery.com>
4227 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
4228 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
4230 2006-10-16 Geoffrey Keating <geoffk@apple.com>
4232 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
4233 (DWARF2_FRAME_REG_OUT): Likewise.
4234 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
4235 (DWARF2_FRAME_REG_OUT): Likewise.
4237 2006-10-17 Paul Brook <paul@codesourcery.com>
4239 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
4241 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4243 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
4244 Standardize on "GNU Fortran" as the official name of the Fortran
4247 2006-10-16 Mike Stump <mrs@apple.com>
4249 * doc/invoke.texi (Darwin Options): Document -mkernel.
4250 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
4252 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
4253 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
4254 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
4255 (OS_MISSING_ALTIVEC): Add.
4256 * config/i386/i386.c (override_options): Add
4257 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
4258 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
4259 -mkernel, -static or -mdynamic-no-pic is given.
4260 (C_COMMON_OVERRIDE_OPTIONS): Add.
4261 * config/darwin.opt (fapple-kext): Add.
4263 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
4264 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
4266 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
4267 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
4268 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
4269 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
4270 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
4271 (flag_mkernel): Add.
4272 (flag_apple_kext): Add.
4273 (TARGET_KEXTABI): Add.
4274 * config/darwin.c (darwin_handle_kext_attribute): Add.
4275 (DARWIN_VTABLE_P): Add.
4276 (darwin_binds_local_p): Add partial support for rebinding vtables
4278 (darwin_kextabi_p): Add.
4279 (darwin_override_options): Add.
4280 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
4281 (darwin_kextabi_p): Add.
4282 (darwin_override_options): Add.
4283 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
4284 __DYNAMIC__ and __STATIC__ here.
4286 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4288 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
4289 Added mention of "make pdf" target, and Texinfo requirements for
4292 2006-10-16 DJ Delorie <dj@redhat.com>
4294 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
4295 into the GOT in case we need a subreg of the address.
4297 2006-10-16 Richard Guenther <rguenther@suse.de>
4300 * doc/extend.texi (X86 Built-in Functions): Fix typos in
4301 SSE builtin documentation. Document SSE2 builtins.
4303 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4305 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
4306 symbol in the output file for non-shared links when -nostdlib or
4307 -nodefaultlibs isn't specified.
4309 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
4310 posix thread support.
4312 2006-10-15 Jan Hubicka <jh@suse.cz>
4315 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
4316 declared always_inline even when not inlining.
4318 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4319 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4320 Andrew Pinski <pinskia@gmail.com>
4323 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
4325 2006-10-15 Jan Hubicka <jh@suse.cz>
4326 Richard Guenther <rguenther@suse.de>
4329 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
4330 process_function_and_variable_attributes on all variables, including
4331 those discovered during cgraph construction phase.
4333 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
4335 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
4337 2006-10-14 Uros Bizjak <uros@kss-loka.si>
4339 * config/i386/athlon.md (athlon_fist): Add fisttp.
4341 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4342 Ian Lance Taylor <ian@airs.com>
4345 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
4346 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
4349 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
4351 * config/score/score.c, config/score/score.h: Fix comment
4354 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4357 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
4360 2006-10-13 Eric Christopher <echristo@apple.com>
4362 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4364 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4367 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4368 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4369 alignment supported by 32-bit ELF.
4371 2006-10-13 Eric Christopher <echristo@apple.com>
4373 * config/darwin.c (darwin_emit_unwind_label): Strip
4374 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
4376 2006-10-13 Richard Guenther <rguenther@suse.de>
4378 PR tree-optimization/29446
4379 * tree-vrp.c (fix_equivalence_set): Remove.
4380 (extract_range_from_assert): Do not call fix_equivalence_set.
4381 (debug_value_range): Print a newline.
4382 (compare_name_with_value): For equivalence sets with
4383 inconsistent value ranges conservatively bail out.
4384 (compare_names): Likewise.
4386 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4388 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
4389 and MPFR for gfortran.
4391 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4393 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4394 alignment supported by 32-bit ELF.
4396 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
4400 * c-typeck.c (digest_init): Always allow initializing vectors
4401 that have static storage duration with compound literals.
4402 * tree.c (build_type_attribute_qual_variant): New, based on
4403 build_type_attribute_variant.
4404 (build_type_attribute_variant): Rewrite using the former.
4405 (make_vector_type): Use build_type_attribute_qual_variant to build
4406 type variants. Use type_hash_canon on the others.
4408 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
4409 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
4411 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
4413 2006-10-12 Jan Hubicka <jh@suse.cz>
4416 * c-decl.c (c_make_fname_decl): Do not segfault in case where
4417 current_function_decl is set but current_function_scope is not.
4419 2006-10-12 Jie Zhang <jie.zhang@analog.com>
4421 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
4422 emit_insn to emit eh_return_internal instruction.
4423 (eh_return_internal): Explicitly set pc.
4425 2006-10-11 Richard Guenther <rguenther@suse.de>
4427 PR tree-optimization/28230
4428 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
4429 to the correct place.
4431 2006-10-11 Richard Guenther <rguenther@suse.de>
4434 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
4437 2006-10-10 Brooks Moses <bmoses@stanford.edu>
4439 * configure.ac: Added pdf to "Make-hooks"
4440 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
4441 targets and *.pdf file patterns in cleanup targets.
4442 * configure: Regenerated.
4444 2006-10-10 Anatoly Sokolov <aesok@post.ru>
4446 * config/avr/predicates.md: New file.
4447 * config/avr/avr.md: Include it.
4448 (REG_SP): New constant.
4449 (peepholes): Use predicates.
4450 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
4451 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
4452 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
4454 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
4456 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
4459 2006-10-10 Jakub Jelinek <jakub@redhat.com>
4462 * builtins.c (var_decl_component_p): New function.
4463 (fold_builtin_memset, fold_builtin_memory_op): Restrict
4464 single entry optimization to variables and components thereof.
4466 2006-10-10 Richard Guenther <rguenther@suse.de>
4468 PR rtl-optimization/29323
4469 * except.c (set_nothrow_function_flags): For functions
4470 that do not bind local bail out early.
4472 2006-10-10 Ben Elliston <bje@au.ibm.com>
4474 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
4477 2006-10-09 Richard Henderson <rth@redhat.com>
4479 Revert emutls patch.
4481 2006-10-09 Richard Guenther <rguenther@suse.de>
4484 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
4487 2006-10-09 Steve Ellcey <sje@cup.hp.com>
4490 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
4491 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
4492 * configure: Regenerate.
4493 * config.in: Regenerate.
4495 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
4497 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
4499 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4501 * config/mips/mips.c (mips_legitimize_tls_address): Implement
4502 all TLS models in the same way as local exec if !TARGET_ABICALLS.
4503 Remove stray newline.
4505 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4507 * config/mips/mips.c (mips_classify_symbol): Do not return
4508 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
4509 (mips_in_small_data_p): Tweak comments.
4511 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4513 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
4515 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
4517 * gimplify.c, sched-int.h: Fix comment typos.
4519 * sched-int.h: Fix comment typos.
4521 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4523 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
4525 * sched-ebb.c (begin_schedule_ready): Use them.
4526 * haifa-sched.c (schedule_insn, move_insn, try_ready,
4527 add_to_speculative_block, create_check_block_twin, speculate_insn,
4528 fix_jump_move, move_block_after_check): Ditto.
4529 * sched-rgn.c (new_ready): Ditto.
4531 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4533 PR rtl-optimization/29128
4534 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
4535 * sched-ebb.c (advance_target_bb): Use it to fix condition to
4536 allow interblock movement of speculation checks.
4538 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
4541 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
4542 casted to integer type.
4543 (get_address_cost): Decrease cost of [symbol + index] addressing modes
4544 if they are significantly more expensive than [reg + index] ones.
4546 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4548 PR tree-optimization/29330
4549 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
4550 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
4551 on newly allocated ddrs.
4552 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
4553 to VEC (loop_p, heap) pointer.
4554 (compute_data_dependences_for_loop): Adjust caller.
4555 (free_dependence_relations): Free DDR_LOOP_NEST.
4557 * tree-loop-linear.c (linear_transform_loops): Don't forget to
4558 free DEPENDENCE_RELATIONS and DATAREFS.
4561 * builtins.c (expand_builtin_sync_operation,
4562 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
4563 Use convert_to_mode to handle promoted arguments.
4565 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4567 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
4569 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4571 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
4573 2006-10-05 Uros Bizjak <uros@kss-loka.si>
4575 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
4576 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
4577 Use <modeconstraint> instead of "r" as operand 1 constraint.
4579 2006-10-06 Olivier Hainque <hainque@adacore.com>
4581 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
4582 Don't recurse on the pointed-to type.
4583 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
4584 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
4585 types with components of variable size.
4587 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
4589 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
4591 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4593 PR tree-optimization/29290
4594 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
4598 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
4599 * config/i386/predicates.md (local_symbolic_operand): Likewise.
4602 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
4603 the number of vector elements fill the rest with zeros.
4605 2006-10-05 Richard Sandiford <richard@codesourcery.com>
4607 * config/mips/mips.c (mips_pass_by_reference): Do not return false
4608 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
4611 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
4613 * config/bfin/bfin.md (subsi3): Lose expander, change previously
4614 unnamed pattern into subsi3. Use correct constraints/predicates.
4615 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
4616 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
4618 2006-10-05 Ira Rosen <irar@il.ibm.com>
4620 * doc/loop.texi: Add data references analysis description.
4622 2006-10-04 Brooks Moses <bmoses@stanford.edu>
4624 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
4626 2006-10-04 Richard Henderson <rth@redhat.com>
4627 Jakub Jelinek <jakub@redhat.com>
4629 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
4630 * builtin-types.def (BT_WORD): Make unsigned.
4631 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4632 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4633 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4634 * c-decl.c (grokdeclarator): Don't error if !have_tls.
4635 * c-parser.c (c_parser_omp_threadprivate): Likewise.
4636 * cgraph.c (decide_is_variable_needed): Look at force_output.
4637 Recurse for emulated tls.
4638 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
4639 checks redundant with decide_is_variable_needed.
4640 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
4641 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4643 * expr.c (emutls_var_address): New.
4644 (expand_expr_real_1): Expand emulated tls.
4645 (expand_expr_addr_expr_1): Likewise.
4646 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4647 * output.h (emutls_finish): Declare.
4648 * toplev.c (compile_file): Call it.
4649 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4650 address before wrapping in CONST.
4651 * varasm.c (emutls_htab, emutls_object_type): New.
4652 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4653 (get_emutls_object_name, get_emutls_object_type): New.
4654 (get_emutls_init_templ_addr, emutls_decl): New.
4655 (emutls_common_1, emutls_finish): New.
4656 (assemble_variable): When emulating tls, swap decls; generate
4657 constructor for the emutls objects.
4658 (do_assemble_alias): When emulating tls, swap decl and target name.
4659 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4661 * emutls.c: New file.
4662 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
4663 tls_object for real tls.
4665 2006-10-04 Zack Weinberg <zackw@panix.com>
4667 Fix bug in constraint-check generator, reported by Rask Ingemann
4669 * genpreds.c (add_constraint): Don't remove anything from the
4671 (write_tm_constrs_h): Detect whether "op" argument is used, and
4672 mark it ARG_UNUSED if it isn't.
4673 (write_insn_const_int_ok_for_constraint): Skip the part of the
4674 expression that would test whether "op" (which is not available
4675 here) is a CONST_INT.
4677 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
4680 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
4682 2006-10-03 Geoffrey Keating <geoffk@apple.com>
4684 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
4685 current Leopard versions.
4686 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
4688 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
4690 * doc/install.texi: Fix typos.
4692 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4694 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
4695 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
4696 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
4698 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
4700 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
4701 arg to be struct mach_header_64* instead.
4703 2006-10-02 Jakub Jelinek <jakub@redhat.com>
4706 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
4707 side effects after the outer expression's post side effects.
4709 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
4711 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
4712 comments to reflect actual behavior and relationship between
4713 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
4715 * doc/c-tree.texi (Working with declarations): Fix documentation
4716 of FIELD_DECL likewise.
4718 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
4721 * doc/extend.texi: Add used variable attribute description.
4723 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
4726 * c.opt (Woverride-init): New.
4727 * c-opts.c (c_common_post_options): Default warn_override_init to
4729 * c-typeck.c (add_pending_init, output_init_element): Warn for
4730 overriding initializers without side effects.
4731 * doc/invoke.texi (-Woverride-init): Document.
4734 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
4736 PR rtl-optimization/28096
4737 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
4738 assignment has already been used as a destination earlier in the block.
4740 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
4742 * builtins.c (expand_builtin_setjmp): Delete.
4743 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
4744 <BUILT_IN_SETJMP_SETUP>: New case.
4745 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
4746 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
4747 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
4748 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
4749 (BUILT_IN_SETJMP_RECEIVER): Likewise.
4750 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
4751 (lower_function_body): Initialize it to false. If it is set to true
4752 at the end of the processing, emit the setjmp dispatcher.
4753 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
4754 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
4755 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
4756 on the rhs of the assignment.
4757 (lower_builtin_setjmp): New function.
4758 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
4759 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
4760 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
4761 to detect calls that can go to non-local labels. Use specific
4762 helper to create the abnormal edges associated with them.
4763 <MODIFY_EXPR>: Likewise.
4764 (make_abnormal_goto_edges): New function extracted from...
4765 (make_goto_expr_edges): ...here. Call it for computed gotos.
4766 (simple_goto_p): Minor tweak.
4767 (tree_can_make_abnormal_goto): New predicate.
4768 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
4769 (tree_purge_dead_abnormal_call_edges): New function.
4770 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
4771 (tree_purge_dead_abnormal_call_edges): Likewise.
4772 (make_abnormal_goto_edges): Likewise.
4773 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
4774 Purge all dead abnormal edges if the call was in the last statement.
4775 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
4776 (execute_fixup_cfg): If there are non-local labels in the function,
4777 scan the basic blocks and split them at calls that can go to non-local
4778 labels or add missing abnormal call edges. Write down the CFG in the
4780 (pass_fixup_cfg): Remove TODO_dump_func flag.
4781 * unwind-sjlj.c: Poison setjmp.
4782 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
4783 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
4784 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
4785 (DONT_USE_BUILTIN_SETJMP): Document it.
4787 2006-09-28 Geoffrey Keating <geoffk@apple.com>
4790 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
4791 to 1 when __ppc64__ is defined.
4792 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
4794 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
4796 2006-09-28 Steve Ellcey <sje@cup.hp.com>
4798 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
4799 * config/ia64/unwind-hpux.c: Delete.
4801 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
4803 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
4804 on the element before gimplifying it, instead of punting if it is of
4807 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
4809 * doc/loop.texi: New file.
4810 * doc/gccint.texi: Reference loop.texi.
4811 * Makefile.in (loop.texi): Add.
4813 2006-09-27 Geoffrey Keating <geoffk@apple.com>
4815 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
4817 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4818 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4820 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
4822 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
4824 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
4826 * doc/install.texi: Document required versions of GMP and MPFR.
4828 2006-09-27 Paul Brook <paul@codesourcery.com>
4831 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
4833 2006-09-27 Richard Sandiford <richard@codesourcery.com>
4835 * reload1.c (alter_reg): Require the alignment of the stack slot to
4836 be at least reg_max_ref_width bytes.
4837 (scan_paradoxical_subregs): Record the largest width in
4840 2006-09-26 Jakub Jelinek <jakub@redhat.com>
4844 * tree-nested.c (struct nesting_info): Added static_chain_added.
4845 (convert_call_expr): Set static_chain_added when adding static
4846 chain. Handle OMP_PARALLEL and OMP_SECTION.
4848 2006-09-25 Matthias Klose <doko@debian.org>
4850 * doc/invoke.texi: Add missing full stop.
4852 2006-09-25 Richard Henderson <rth@redhat.com>
4854 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
4855 before cgraph_function_flags_ready.
4857 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
4858 Adam Nemet <anemet@caviumnetworks.com>
4860 * tree-ssa-loop-ivopts.c (aff_combination_convert,
4861 determine_common_wider_type): New functions.
4862 (get_computation_aff): Use them to simplify arithmetic between
4863 UBASE and CBASE if they are shortened from the same type.
4865 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
4868 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
4869 -2147483647 - 1 instead of 0x80000000.
4871 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
4873 * flags.h (HONOR_NANS): Fix typo in comment.
4875 2006-09-23 Uros Bizjak <uros@kss-loka.si>
4877 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
4879 2006-09-23 Jakub Jelinek <jakub@redhat.com>
4883 * tree.c (merge_attributes, attribute_list_contained): If both
4884 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
4886 * c-typeck.c (comptypes_internal): Don't consider aggregates
4887 in different TUs as compatible if there one set of attributes is
4888 not a subset of the other type's attributes.
4889 (composite_type): Try harder not to create a new aggregate type.
4891 2006-09-22 Geoffrey Keating <geoffk@apple.com>
4893 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
4894 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
4895 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
4896 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
4897 than replicating condition above.
4898 * config.host (i[34567]86-*-*): Always use driver-i386.o.
4900 * config/darwin.h (LINK_SYSROOT_SPEC): New.
4901 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
4902 the linker by default.
4904 2006-09-22 Mike Stump <mrs@apple.com>
4906 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
4909 2006-09-22 Richard Guenther <rguenther@suse.de>
4912 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
4913 sort of stack variables stable.
4915 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
4918 * explow.c (force_reg): Set REG_POINTER flag according to
4921 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
4923 PR tree-optimization/28888
4924 * tree-if-conv.c (combine_blocks): Rewritten.
4925 * tree-cfg.c (tree_verify_flow_info): Check that edges with
4926 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
4928 2006-09-22 Jakub Jelinek <jakub@redhat.com>
4930 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
4933 2006-09-21 Richard Sandiford <richard@codesourcery.com>
4935 * varasm.c (copy_constant): Fix reversed gcc_assert check.
4937 2006-09-21 Janis Johnson <janis187@us.ibm.com>
4939 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
4941 2006-09-21 Roger Sayle <roger@eyesopen.com>
4944 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
4945 dw_fde_current_label, to be the start of the function, i.e. the same
4946 value as dw_fde_begin.
4948 2006-09-20 Richard Sandiford <richard@codesourcery.com>
4950 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
4951 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
4952 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
4953 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
4954 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
4955 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
4956 (abs<mode>2, neg<mode>2): Likewise.
4957 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
4958 (*mips_abs_ps): New define_insn.
4960 2006-09-20 Josh Conner <jconner@apple.com>
4963 * calls.c (expand_call): Allow reuse of structure return stack
4966 2006-09-20 Paul Brook <paul@codesourcery.com>
4968 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
4971 2006-09-20 Janis Johnson <janis187@us.ibm.com>
4973 * doc/extend.texi (Decimal Float): Update for latest draft TR,
4974 clean up terminology.
4976 2006-09-20 Steve Ellcey <sje@cup.hp.com>
4979 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
4980 with tablejumps in them.
4982 2006-09-20 Jakub Jelinek <jakub@redhat.com>
4985 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
4986 wrap it into TARGET_EXPR.
4988 2006-09-20 Eric Christopher <echristo@apple.com>
4990 * config/i386/i386.c (x86_fisttp): Remove.
4991 * config/i386/i386.h (x86_fisttp): Ditto.
4992 (TARGET_FISTTP): Ditto.
4994 2006-09-19 Eric Christopher <echristo@apple.com>
4996 * doc/tm.texi (OBJC_JBLEN): Describe.
4997 * config/i386/darwin.h (OBJC_JBLEN): Define.
4998 * config/rs6000/darwin.h: Ditto.
5000 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
5002 PR rtl-optimization/21299
5003 * reload1.c (reload): Purge invalid ASMs in the final pass.
5005 2006-09-19 Steve Ellcey <sje@cup.hp.com>
5008 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
5009 pointers as legitimate constants.
5011 2006-09-19 Paul Brook <paul@codesourcery.com>
5014 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
5016 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
5018 PR tree-optimization/28887
5019 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
5020 component parts from the reference.
5021 (gather_memory_references_ref): Record the reference without the
5022 nonaddressable component parts.
5024 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
5027 * c-opts.c (c_common_handle_option): Ignore the -std options
5028 if the input language is assembly.
5030 2006-09-17 Ira Rosen <irar@il.ibm.com>
5033 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
5035 (ptr_ptr_may_alias_p): Likewise.
5036 (record_record_differ_p): New function.
5037 (base_object_differ_p): Call record_record_differ_p.
5039 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
5042 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
5043 away for the expr argument.
5045 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5048 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
5049 before using it for dumping after vectorizing loops.
5051 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
5052 Jack Howarth <howarth@bromo.med.uc.edu>
5055 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
5056 skip on error_mark_node.
5057 (rs6000_darwin64_record_arg_recurse): Likewise.
5059 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5061 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
5062 * doc/rtl.texi: Remove related documentation.
5064 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
5066 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
5069 2006-09-15 Jim Wilson <wilson@specifix.com>
5071 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
5072 Handle symbol offsets same as they are handled in ia64_expand_move
5075 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
5077 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
5078 Add forgotten parameter to the fprintf call.
5080 2006-09-15 Steve Ellcey <sje@cup.hp.com>
5082 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
5084 2006-09-15 Uros Bizjak <uros@kss-loka.si>
5086 * doc/contrib.texi: Add my entry.
5088 2006-09-15 Nick Clifton <nickc@redhat.com>
5090 * doc/md.texi (Processor pipeline description): Fix typo in
5091 example of how to use the absence_set directive and reword the
5092 description to make it slightly easier to read.
5094 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
5096 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
5097 * loop-doloop.c (doloop_optimize): Use it to limit costs of
5098 expanding the number of iterations.
5099 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
5101 * cfgrtl.c (emit_insn_at_entry): New function.
5102 * rtl.h (emit_insn_at_entry): Declare it.
5103 * integrate.c (emit_initial_value_sets): Use it.
5105 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
5107 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
5109 (struct loop_work and related VEC declarations): Delete.
5110 (bfin_dump_loops): Print out new member bad.
5111 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
5112 (bfin_scan_loop): Don't recurse.
5113 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
5114 loops. No longer need to update outer loops if the current one is
5115 found bad. Move some validitiy checks to bfin_discover_loop.
5116 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
5117 but changed not to check for nesting. Also changed to use the new bad
5119 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
5120 time. Use bitmap based test to discover loop nesting.
5122 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
5124 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
5127 2006-09-14 Richard Guenther <rguenther@suse.de>
5128 Kazu Hirata <kazu@codesourcery.com>
5130 PR middle-end/28884.
5131 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
5132 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
5133 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
5134 with TARGET_FUNCTION_VALUE.
5136 2006-09-14 Anatoly Sokolov <aesok@post.ru>
5139 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
5141 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
5143 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
5146 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
5149 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
5152 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5154 * basic_block.h (bb_has_eh_pred): Fix comment.
5156 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5158 * flow.c (calculate_global_regs_live): Invalidate eh registers
5159 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
5160 (propagate_block): Handle eh registers as if they were set at basic
5162 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
5164 * global.c (global_conflicts): Make eh registers to conflict with
5165 pseudos live at basic block begin.
5166 * basic_block.h (bb_has_eh_pred): New function.
5168 2006-09-13 Richard Sandiford <richard@codesourcery.com>
5170 PR rtl-optimization/28982
5171 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
5172 index of a PRE_MODIFY or POST_MODIFY address.
5173 * reload1.c (inc_for_reload): Use find_replacement on the original
5174 base and index registers.
5176 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
5178 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
5179 for -Os. Update __m128 alignment requirement.
5181 2006-09-13 Jan Hubicka <jh@suse.cz>
5183 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
5185 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
5187 PR rtl-optimization/28243
5188 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
5189 the insn to which the note was originally attached.
5191 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
5192 Roger Sayle <roger@eyesopen.com>
5194 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
5195 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
5196 on platforms that don't use dwarf for debug info.
5198 2006-09-12 Jason Merrill <jason@redhat.com>
5201 * builtins.c (expand_builtin_setjmp_receiver): Clobber
5202 hard_frame_pointer_rtx after using it to update the frame pointer.
5204 2006-09-12 Roger Sayle <roger@eyesopen.com>
5206 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
5207 (TARGET_ASM_CLOSE_PAREN): Likewise.
5208 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
5209 (TARGET_ASM_CLOSE_PAREN): Likewise.
5211 2006-09-12 Roger Sayle <roger@eyesopen.com>
5214 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
5215 frame information for frames larger than 512 Kbytes on Tru64 when
5216 using the native assembler.
5218 2006-09-12 Roger Sayle <roger@eyesopen.com>
5222 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
5223 and symbols. Instead use the implementation from cse.c's hash_rtx.
5225 2006-09-12 Jan Hubicka <jh@suse.cz>
5227 PR rtl-optimization/28071
5228 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
5229 (vect_transform_loop): Likewise.
5230 * tree-vectorizer.c (new_loop_vec_info): Likewise.
5231 (new_loop_vec_info): Likewise.
5232 (destroy_loop_vec_info): Likewise.
5233 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
5234 (create_stmt_ann): Likewise.
5235 (create_tree_ann): Rename to ...
5236 (create_tree_common_ann): ... this one; allocate only the common part
5238 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
5239 (get_value_handle): Likewise.
5240 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
5241 get_tree_common_ann.
5242 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
5243 (vinfo_for_stmt): Use stmt annotations.
5244 * tree-flow.h (tree_ann_common_t): New type.
5245 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
5246 (tree_ann, get_tree_ann, create_tree_ann): New.
5247 * tree-flow-inline.h (get_function_ann): Do more type checking.
5248 (stmt_ann): Likewise.
5249 (tree_ann): Rename to ...
5250 (tree_common_ann): ... this one; return ony common_ann
5251 (get_tree_ann): Rename to ...
5252 (tree_common_ann): This one; return only common_ann.
5253 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
5256 2006-09-11 Geoffrey Keating <geoffk@apple.com>
5258 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
5259 with_cpu by default.
5261 * dwarf2out.c (dwarf_file_data): New.
5262 (enum dw_val_class): Add dw_val_class_file.
5263 (struct dw_val_struct): Add val_file.
5264 (file_table): Change to a hash table.
5265 (file_table_emitted): Delete.
5266 (file_table_last_lookup_index): Delete.
5267 (emitcount): Delete.
5268 (last_emitted_file): New.
5269 (lookup_filename): Change prototype to return a struct dwarf_file_data.
5270 (init_file_table): Delete.
5271 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
5272 (AT_addr): Add comment.
5276 (print_die): Handle dw_val_class_file.
5277 (print_dwarf_line_table): Update for new file table structure.
5278 (attr_checksum): Do checksum a filename.
5279 (same_dw_val_p, same_attr_p): Do compare a filename.
5280 (size_of_die): Handle dw_val_class_file.
5281 (value_format): Likewise.
5282 (output_die): Likewise. Also, call maybe_emit_file here.
5283 (struct file_info): Constify filenames. Make file_idx a pointer
5284 to a struct dwarf_file_data.
5285 (struct dir_info): Constify directory names. Remove 'used' field.
5286 (struct file_name_acquire_data): New.
5287 (file_name_acquire): New.
5288 (output_file_names): Modify to handle new file data structures.
5289 (add_src_coords_attributes): Use add_AT_file.
5290 (add_call_src_coords_attributes): Likewise.
5291 (dwarf2out_imported_module_or_decl): Likewise.
5292 (gen_subprogram_die): Modify for new file data structures.
5293 (gen_variable_die): Likewise.
5294 (file_table_eq): New.
5295 (file_table_hash): New.
5296 (file_table_last_lookup): New.
5297 (lookup_filename): Rewrite to handle new file data structures.
5298 (maybe_emit_file): Rewrite to handle new file data structures.
5299 (dwarf2out_source_line): Always call lookup_filename and
5301 (dwarf2out_init): Create file_table here.
5302 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
5303 (file_table_relative_p): New.
5304 (dwarf2out_finish): Change detection of relative filenames
5305 to work with new file data structures. Move output_line_info call
5306 after debug_info output.
5308 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
5313 * config/i386/i386.c (override_options): Always default to 16
5314 byte stack boundary.
5316 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
5319 * var-tracking.c (dump_dataflow_set): Start dumping at
5321 (clobber_variable_part): Kill only the variable part in
5322 registers holding it, leaving other variables alone.
5324 2006-09-11 Josh Triplett <josh@freedesktop.org>
5326 * doc/extend.texi (Other Builtins): Actually use the macro
5327 argument in the documentation example for
5328 __builtin_types_compatible_p.
5330 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5332 PR rtl-optimization/28726
5333 * sched-deps.c (sched_analyze_reg): New function extracted from...
5334 (sched_analyze_1): ...here. Call it to analyze references to
5335 registers. Treat again writes to a stack register as writing to the
5337 (sched_analyze_2): ...and here. Call it to analyze references to
5338 registers. Treat again reads of a stack register as reading the
5341 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
5342 David Edelsohn <edelsohn@gnu.org>
5345 * config/rs6000/spe.md (frob_df_di): Remove %H.
5346 (frob_di_df): Remove %H. Change evmergelo to mr.
5347 (frob_di_df_2): Remove %H. Change evldd to two loads.
5349 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
5351 * doc/cpp.texi: Fix names of charset options.
5353 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
5356 * config/i386/i386.c (override_options): Use 128-bit
5357 stack boundary always for 64bits.
5359 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5361 PR rtl-optimization/28636
5362 * combine.c (force_to_mode): Test for side-effects before
5363 substituting by zero.
5364 (simplify_shift_const): Likewise for zero or other constants.
5366 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
5369 * builtins.c (expand_builtin_setjmp): Force next_lab to be
5372 2006-09-10 Richard Sandiford <richard@codesourcery.com>
5375 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
5376 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
5377 returned by mode_for_size, rather than the mode of src itself,
5378 to choose between 32-bit and 64-bit patterns.
5379 (mips_mem_fits_mode_p): New function.
5380 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
5381 that the size of the source matches the size of the destination.
5382 (mov_<store>l, mov_<store>r): Likewise.
5384 2006-09-10 Eric Christopher <echristo@apple.com>
5386 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
5389 2006-09-09 Eric Christopher <echristo@apple.com>
5392 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
5395 2006-09-09 Roger Sayle <roger@eyesopen.com>
5396 Nicolas Setton <setton@adacore.com>
5398 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
5400 2006-09-10 Andreas Schwab <schwab@suse.de>
5402 * config/m68k/m68k.md (bungt_rev): New pattern.
5404 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
5405 Dale Johannesen <dalej@apple.com>
5408 * regclass.c (struct reg_pref): Update documentation.
5409 (regclass): Set prefclass to NO_REGS if memory is the best option.
5410 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5412 2006-09-08 Eric Christopher <echristo@apple.com>
5414 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
5415 * config/t-slibgcc-darwin: Support x86_64 multilib.
5416 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
5417 Return 1 for x86_64-darwin.
5418 * config/i386/t-darwin: Add m64 multilib.
5419 (LIB2_SIDITI_CONV_FUNCS): Use.
5420 (LIB2FUNCS_EXTRA): Ditto.
5421 * config/i386/darwin.h: Support x86_64.
5422 * config/i386/i386.c (override_options): Turn on flag_pic
5423 for x86_64-darwin. Disable flag_omit_pointer.
5424 (get_pc_thunk_name): Assert !TARGET_64BIT.
5425 (legitimate_address_p): Disable machopic addressing for
5427 (legitimize_pic_address): Ditto.
5428 (ix86_expand_move): Ditto.
5429 (ix86_expand_call): Ditto.
5430 (machopic_output_stub): Ditto.
5431 * config/darwin.c (machopic_select_section): Support literal16.
5432 (machopic_select_rtx_section): Ditto.
5433 * config/darwin-sections.def: Ditto.
5434 * config/darwin-64.c: New.
5436 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
5439 * c-tree.h (struct c_arg_info): Add pending_sizes.
5440 * c-parser.c (c_parser_parms_declarator,
5441 c_parser_parms_list_declarator): Initialize pending_sizes.
5442 * c-decl.c (get_parm_info): Initialize pending_sizes.
5443 (get_parm_info): Set pending_sizes.
5444 (grokdeclarator): Call put_pending_sizes for parameters for
5445 function definition only.
5447 2006-09-07 Jason Merrill <jason@redhat.com>
5450 * varasm.c (output_constant): Only strip actual no-op conversions.
5453 * config/i386/i386.c (override_options): Use 128-bit
5454 stack boundary if -msse.
5456 2006-09-07 Eric Christopher <echristo@apple.com>
5458 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
5460 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
5463 2006-09-07 Geoffrey Keating <geoffk@apple.com>
5465 * dwarf2out.c: Remove strange characters from comment above
5466 dwarf2out_frame_debug_expr.
5468 2006-09-07 Eric Christopher <echristo@apple.com>
5470 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
5471 * config/darwin.h: ... to here.
5473 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
5475 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
5477 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
5478 (TARGET_PARTIAL_FLAG_REG_STALL): New.
5480 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
5481 TARGET_PARTIAL_FLAG_REG_STALL.
5482 (*ashldi3_cconly_rex64): Likewise.
5483 (*ashlsi3_cmp): Likewise.
5484 (*ashlsi3_cconly): Likewise.
5485 (*ashlsi3_cmp_zext): Likewise.
5486 (*ashlhi3_cmp): Likewise.
5487 (*ashlhi3_cconly): Likewise.
5488 (*ashlqi3_cmp): Likewise.
5489 (*ashlqi3_cconly): Likewise.
5490 (*ashrdi3_cmp_rex64): Likewise.
5491 (*ashrdi3_cconly_rex64): Likewise.
5492 (*ashrsi3_cmp): Likewise.
5493 (*ashrsi3_cconly): Likewise.
5494 (*ashrsi3_cmp_zext): Likewise.
5495 (*ashrhi3_cmp): Likewise.
5496 (*ashrhi3_cconly): Likewise.
5497 (*ashrqi3_cmp): Likewise.
5498 (*ashrqi3_cconly): Likewise.
5499 (*lshrdi3_cmp_rex64): Likewise.
5500 (*lshrdi3_cconly_rex64): Likewise.
5501 (*lshrsi3_cmp): Likewise.
5502 (*lshrsi3_cconly): Likewise.
5503 (*lshrsi3_cmp_zext): Likewise.
5504 (*lshrhi3_cmp): Likewise.
5505 (*lshrhi3_cconly): Likewise.
5506 (*lshrqi2_cmp): Likewise.
5507 (*lshrqi2_cconly): Likewise.
5509 2006-09-07 Uros Bizjak <uros@kss-loka.si>
5512 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
5513 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
5514 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
5515 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
5516 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
5517 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
5518 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
5519 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
5520 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
5521 implement only CC setting effects of shift instructions.
5523 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
5525 * doc/contrib.texi: Add myself.
5527 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
5530 * stor-layout.c (relayout_decl): Don't zero the alignment if it
5531 was set by the user.
5533 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
5536 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
5537 (divsi_inv_m1): Use them.
5538 (UNSPEC_DIV_INV_TABLE): New constant.
5540 2006-09-06 James E Wilson <wilson@specifix.com>
5543 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
5544 then call count_or_remove_death_notes.
5546 2006-09-06 Jason Merrill <jason@redhat.com>
5549 * tree-inline.c (copy_result_decl_to_var): New fn.
5550 (declare_return_variable): Use it. Call declare_inline_vars here.
5551 (expand_call_inline): Not here.
5553 2006-09-06 Diego Novillo <dnovillo@redhat.com>
5555 * doc/contrib.texi: Update my entry.
5557 2006-09-06 Nick Clifton <nickc@redhat.com>
5559 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
5561 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5564 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
5565 (canonicalize_induction_variables): Likewise.
5566 (tree_unroll_loops_completely): Likewise.
5567 (tree_ssa_prefetch_arrays): Likewise.
5568 (remove_empty_loops): Likewise.
5569 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
5570 TODO_cleanup_cfg instead of directly calling
5571 cleanup_tree_cfg_loop.
5572 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
5574 (tree_unroll_loops_completely): Likewise.
5575 (remove_empty_loops): Likewise.
5576 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
5577 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
5578 of tree_ssa_unswitch_loops.
5579 (tree_ssa_loop_ivcanon): Use the return value of
5580 canonicalize_induction_variables.
5581 (tree_ssa_empty_loop): Use the return value of
5583 (tree_complete_unroll): Use the return value of
5584 tree_unroll_loops_completely.
5585 (tree_ssa_loop_prefetch): Use the return value of
5586 tree_ssa_prefetch_arrays.
5587 * passes.c (execute_todo): Before Cleanup CFG, set
5588 updating_used_alone and after cleanup CFG, call
5589 recalculate_used_alone.
5591 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5594 * tree-vect-transform.c (vectorizable_condition): Move the check
5595 for the type after the check for simple condition.
5597 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
5598 Kaz Kojima <kkojima@gcc.gnu.org>
5601 * mode-switching.c (optimize_mode_switching): Make the destination
5602 block of an abnormal edge have no anticipatable mode. Don't
5603 insert mode switching code at the end of the source block of
5606 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
5608 PR rtl-optimization/26847
5609 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
5610 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
5611 (simplify_plus_minus): Count n_constants while filling ops. Replace
5612 qsort with insertion sort. Before going through the array to simplify
5613 pairs, sort it. Delay early exit until after the first sort, exiting
5614 only if no swaps occurred. Simplify pairs in reversed order, without
5615 special-casing the first iteration. Pack ops after simplifying pairs.
5617 2006-09-05 Anatoly Sokolov <aesok@post.ru>
5619 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
5620 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5621 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5622 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
5624 2006-09-05 Richard Guenther <rguenther@suse.de>
5626 PR tree-optimization/28900
5627 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
5628 compound conditional before creating COND_EXPR condition.
5630 2006-09-05 Richard Guenther <rguenther@suse.de>
5632 PR tree-optimization/28905
5633 * tree-vrp.c (fix_equivalence_set): Manually implement
5634 !value_ranges_intersect_p to also handle symbolic ranges.
5636 2006-09-05 Richard Guenther <rguenther@suse.de>
5639 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
5642 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5644 PR rtl-optimization/27616
5645 * cse.c (table_size): New static variable.
5646 (new_basic_block): Initialize it to 0.
5647 (remove_from_table): Decrement it.
5648 (insert): Increment it.
5649 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
5650 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
5651 fold_rtx_mem_1 if under the cap.
5652 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
5653 the lookup of the equivalent expression and test for equality of the
5654 first operand of the equivalent expression before in turn looking up
5655 an equivalent constant for the second operand.
5657 2006-09-02 Geoffrey Keating <geoffk@apple.com>
5660 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5661 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5662 pointer, instead of assuming it is possible to derive the
5663 correct args size from a call insn.
5665 2006-09-02 Jakub Jelinek <jakub@redhat.com>
5668 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
5669 (fold_builtin_mempcpy): Rename to...
5670 (fold_builtin_memory_op): ... this. Optimize one element copy
5672 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
5674 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
5675 (expand_builtin_memcpy, expand_builtin_mempcpy,
5676 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
5677 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
5678 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
5679 BUILT_IN_MEM{CPY,PCPY,MOVE}.
5681 2006-09-01 DJ Delorie <dj@redhat.com>
5683 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
5684 (stzx_16): Likewise.
5685 ("stzx_24_<mode>"): Likewise.
5686 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
5687 ("cmp<mode>_op"): New.
5688 (cmp<mode>): Change to expander; just save operands.
5690 (b<code>): Change to expander, emit compare here.
5691 (s<code>_op): Change to use split and expander.
5692 (s<code>_24_op): Likewise.
5693 (s<code>_<mode>): New.
5694 (s<code>_<mode>_24): New.
5695 (movqicc_<code>_<mode): New.
5696 (movhicc_<code>_<mode>): New.
5699 * config/m32c/m32c.c (compare_op0, compare_op1): New.
5700 (m32c_pend_compare): New.
5701 (m32c_unpend_compare): New.
5702 (m32c_expand_scc): New.
5703 (m32c_expand_movcc): Emit the compare also.
5704 * config/m32c/predicates.md (mra_nopp_operand): New.
5706 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
5707 Richard Guenther <rguenther@suse.de>
5708 Adam Nemet <anemet@caviumnetworks.com>
5711 * builtins.c (get_pointer_alignment): Handle more forms
5712 of base addresses that can be used to derive more precise
5713 information about alignment.
5715 2006-09-01 Jason Merrill <jason@redhat.com>
5718 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
5721 * gimplify.c (voidify_wrapper_expr): Handle null type.
5723 2006-09-01 Josh Conner <jconner@apple.com>
5726 * tree-nrv.c (dest_safe_for_nrv_p): New function.
5727 (execute_return_slot_opt): Use it.
5729 2006-08-31 Josh Conner <jconner@apple.com>
5732 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
5733 returning aggregates.
5735 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
5737 PR tree-optimization/28839
5738 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
5739 blocks in that phi arguments appear.
5741 2006-08-31 Roger Sayle <roger@eyesopen.com>
5744 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
5745 NULL, otherwise use an advance_loc4 to adjust relative to the
5747 (output_cfi) <DW_CFA_set_loc>: Update the current label.
5748 (dwarf2out_switch_text_section): Reset the current label to avoid
5749 using advance_loc4 over section boundaries.
5751 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
5754 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
5755 r12 + SYMBOLIC_CONST.
5757 2006-08-30 Richard Guenther <rguenther@suse.de>
5759 * Makefile.in (see.o): Add $(EXPR_H) dependency.
5761 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
5763 PR rtl-optimization/27735
5764 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
5765 Add new argument to keep track of whether an irreducible region
5766 was affected. All callers changed.
5767 (fix_irreducible_loops): Removed.
5768 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
5769 flags were invalidated.
5771 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
5773 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
5774 instead of SF operands.
5775 (*fop_df_comm_sse): Likewise.
5776 (*fop_df_comm_i387): Likewise.
5777 (*fop_df_1_mixed): Likewise.
5778 (*fop_df_1_sse): Likewise.
5780 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
5781 J"orn Rennecke <joern.rennecke@st.com>
5783 PR tree-optimization/17506
5784 * tree-ssa.c (warn_uninit): If warning about a location outside of
5785 the current function, note where the variable was declared.
5787 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
5789 PR tree-optimization/28411
5790 * double-int.c (double_int_div): Use double_int_divmod.
5791 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
5792 double_int_mod, double_int_smod, double_int_umod): New functions.
5793 * double-int.h (double_int_divmod, double_int_sdivmod,
5794 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
5796 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
5798 (get_computation_aff, get_computation_cost_at): Handle double_int
5799 return type of constant_multiple_of.
5801 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
5804 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
5805 an implicit conversion.
5807 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
5809 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
5811 2006-08-27 Roger Sayle <roger@eyesopen.com>
5813 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
5816 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
5818 * config/i386/crtfastmath.c: Fix a comment typo.
5820 2006-08-26 Roger Sayle <roger@eyesopen.com>
5822 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
5823 temporary visit flags on CASE_LABEL_EXPRs.
5824 * c-common.c (match_case_to_enum): Add function comment. Avoid
5825 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
5826 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
5827 CASE_HIGH_SEEN for enumerated types. If the switch expression is
5828 a constant, only warn if that constant value isn't handled.
5830 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
5833 * input.h (restore_input_file_stack): Declare.
5834 (INPUT_FILE_STACK_BITS): Define.
5835 * toplev.c (fs_p, input_file_stack_history,
5836 input_file_stack_restored, restore_input_file_stack): New.
5837 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
5838 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
5839 (pop_srcloc): Don't free old state of stack.
5841 2006-08-26 David Edelsohn <edelsohn@gnu.org>
5844 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
5845 (PowerPC Type Attributes): New.
5847 2006-08-26 Bob Wilson <bob.wilson@acm.org>
5849 * config/xtensa/xtensa.c (function_arg_boundary): New.
5850 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
5852 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
5853 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
5855 2006-08-26 Jakub Jelinek <jakub@redhat.com>
5858 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
5861 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5863 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
5864 (verify_local_live_at_start): Likewise.
5866 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5869 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
5870 omp_add_variable): Treat sizes as variable whenever not
5873 2006-08-26 Richard Guenther <rguenther@suse.de>
5876 * fold-const.c (fold_binary): Fold temporary to correct
5877 type before constructing new comparison.
5879 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
5882 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
5883 variable again if DECL_SEEN_IN_BIND_EXPR_P.
5885 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5888 * c-decl.c (start_function): Don't try to process prototype
5889 information from old declaration that isn't a function.
5891 2006-08-25 Jan Hubicka <jh@suse.cz>
5894 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
5896 2006-08-25 Alan Modra <amodra@bigpond.net.au>
5899 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
5902 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
5904 PR tree-optimization/16876
5905 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
5906 exit if PARM doesn't match VALUE.
5908 2006-08-25 Bob Wilson <bob.wilson@acm.org>
5910 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
5911 literal_prefix directive.
5912 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
5913 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5914 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5916 2006-08-25 David Edelsohn <edelsohn@gnu.org>
5919 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
5920 predicate to general_operand. Add 0->y and I->r alternatives.
5922 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
5924 * doc/tm.texi: Fix a typo.
5925 * predict.c: Fix comment typos.
5927 2006-08-25 Nick Clifton <nickc@redhat.com>
5929 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
5930 assertions of "cpu" and "machine".
5932 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
5935 * tree-ssa-operands.c (access_can_touch_variable): Don't say
5936 the access through a base which has an alias set of 0 cannot
5939 2006-08-24 Bill Wendling <wendling@apple.com>
5941 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
5943 2006-08-24 Jan Hubicka <jh@suse.cz>
5945 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
5947 2006-08-24 Jan Hubicka <jh@suse.cz>
5950 * cgraph.c: Fix comments.
5951 (cgraph_varpool_mark_needed_node): Mark only variables not already
5953 * cgraphunit.c: Update comments; include gt-cgraphunit.h
5954 (cgraph_varpool_assembled_nodes_queue): New static variable.
5955 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
5956 (cgraph_varpool_output_debug_info): New function.
5957 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
5958 * Makefile.in: Add gt-cgraphunit.h
5960 2006-08-24 Jan Hubicka <jh@suse.cz>
5962 * predict.c (probability_reliable_p): New predicate.
5963 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
5964 (predict_loops): Do not predict loop exit with less than 2%
5966 * basic-block.h (edge_probability_reliable_p,
5967 br_prob_note_reliable_p): Declare.
5968 * ia64.h (ia64_print_operand): Do not disable on-chip branch
5969 prediction when static predictor is not reliable.
5970 * rs6000.c (output_cbranch): Likewise.
5972 2006-08-23 Stuart Hastings <stuart@apple.com>
5975 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
5976 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
5978 2006-08-21 Geoffrey Keating <geoffk@apple.com>
5981 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
5982 complex values, nor for generic vector values.
5984 2006-08-22 Richard Guenther <rguenther@suse.de>
5987 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
5988 parameter. Convert arguments to arithmetic expression to the
5990 (analyze_scalar_evolution_1): Adjust caller.
5992 2006-08-22 Jan Hubicka <jh@suse.cz>
5994 Patch by Paolo Bonzini
5995 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
5998 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
6000 PR tree-optimization/28003
6001 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
6002 before grouping aliases.
6004 2006-08-22 Roger Sayle <roger@eyesopen.com>
6006 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
6007 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
6009 2006-08-21 Jason Merrill <jason@redhat.com>
6012 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
6013 wrapper. Loop to handle nested wrappers.
6014 (gimplify_bind_expr): Remove temp parameter.
6015 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
6016 and STATEMENT_LIST on the rhs.
6017 (gimplify_statement_list): Voidify the STATEMENT_LIST.
6018 (gimplify_expr): Pass pre_p to gimplify_statement_list.
6019 (gimplify_target_expr): Remove special BIND_EXPR handling.
6021 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
6023 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
6026 2006-08-21 Olivier Hainque <hainque@adacore.com>
6028 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
6029 Arrange for the temporary captures of components overlapping the lhs
6030 to happen before the lhs is possibly cleared.
6032 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
6034 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
6035 necessary places to pass the correct "number of registers" values
6038 2006-08-20 Jan Hubicka <jh@suse.cz>
6040 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
6041 (create_name_tags): Instead of quadratic checking use hashtable.
6042 * bitmap.h: Include hashtab.h.
6043 (bitmap_hash): Declare.
6044 * bitmap.c (bitmap_hash): New function.
6046 2006-08-20 Jan Hubicka <jh@suse.cz>
6048 PR rtl-optimization/28071
6049 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
6051 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
6052 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
6053 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
6054 cgraph_decide_inlining_incrementally): Update use of
6055 cgraph_check_inline_limits.
6056 * cgraph.c (edge_hash, edge_eq): New function.
6057 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
6058 cgraph_edge_remove_caller, cgraph_node_remove_callees,
6059 cgraph_remove_node): Maintain call site hash.
6060 * cgraph.h (struct cgraph_node): Add call_site_hash.
6061 (cgraph_set_call_stmt): New function.
6063 2006-08-20 Jan Hubicka <jh@suse.cz>
6065 PR rtl-optimization/28071
6066 * reload1.c (reg_has_output_reload): Turn into regset.
6067 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
6068 choose_reload_regs, emit_reload_insns): Update to new
6069 reg_has_output_reload.
6071 2006-08-20 Jan Hubicka <jh@suse.cz>
6074 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
6075 function body sizes.
6076 * cgraphunit.c (cgraph_analyze_function): Don't do so.
6078 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
6081 * tree.c (handle_dll_attribute): Return early if not a
6082 var or function decl.
6084 2006-08-18 Joseph Myers <joseph@codesourcery.com>
6087 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
6088 alignment of SPE vector types.
6090 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
6092 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
6094 2006-08-17 Jakub Jelinek <jakub@redhat.com>
6097 * cgraph.h (struct cgraph_node): Remove externally_visible
6099 * cgraphunit.c (process_function_and_variable_attributes): Set
6100 local.externally_visible rather than externally_visible.
6103 * c-common.c (handle_externally_visible_attribute): First look
6104 at TREE_CODE and only if it is function or var decl, check for
6105 non-public objects. Don't warn for DECL_EXTERNAL.
6106 * cgraphunit.c (process_function_and_variable_attributes): Warn
6107 if externally_visible attribute is used on non-public object.
6109 2006-08-17 Jan Hubicka <jh@suse.cz>
6111 PR tree-optimization/27865
6112 * reload1.c (forget_marked_reloads): New function.
6113 (forget_old_reloads_1): When data are passed, just mark the registers
6115 (reload_as_needed): Use the new mechanizm.
6117 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
6120 * reload.h (reg_equiv_alt_mem_list): New declaration.
6121 * reload1.c (reg_equiv_alt_mem_list): New definition.
6122 (reload): Initialize it and release it.
6123 (delete_output_reload): Use it.
6124 * reload.c (push_reg_equiv_alt_mem): New function.
6125 (find_reloads_toplev): Call it.
6126 (find_reloads_address, find_reloads_address_1): Likewise.
6127 (find_reloads_subreg_address): Likewise.
6129 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6131 PR rtl-optimization/28489
6132 * sched-ebb.c (begin_schedule_ready): Create basic block
6134 (advance_target_bb): Skip empty blocks.
6135 * haifa-sched.c (bb_note): Make global.
6136 * sched-int.h (bb_note): Add prototype.
6138 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6140 PR tree-optimization/27865
6141 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
6143 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
6144 fold_used_pointer, pointer_used_p): New functions.
6145 (analyze_scalar_evolution_1): Use fold_used_pointer.
6146 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
6147 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
6150 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
6153 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
6154 or the INTEGER_CST. Fail on a CALL_EXPR.
6155 (fold_offsetof): Pass new argument to fold_offsetof_1.
6156 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
6157 operand into an INDIRECT_REF.
6158 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
6160 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6162 PR gcov/profile/26570
6163 * value-prof.c (static_values): Removed.
6164 (tree_find_values_to_profile): Do not set static_values.
6165 (find_values_to_profile): Do not free static_values.
6166 * profile.c (instrument_values): Do not free the values.
6167 (branch_prob): Free the values.
6169 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
6171 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
6173 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
6176 * c-typeck.c (build_component_ref): Combine qualifiers of
6177 structure or union and field.
6179 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6181 PR rtl-optimization/28071
6182 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
6183 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
6184 * tree-into-ssa.c (struct dom_dfsnum): New.
6185 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
6187 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
6188 compute_global_livein.
6189 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
6190 in phi nodes in the correct blocks.
6192 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6194 PR tree-optimization/28364
6195 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
6197 (fold_affine_expr): New function.
6198 (may_eliminate_iv): Use fold_affine_expr.
6200 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6203 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
6206 2006-08-16 Mike Stump <mrs@apple.com>
6208 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
6209 * doc/cppopts.texi (-MD): Likewise.
6211 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
6214 * c-common.c (handle_weak_attribute): Ignore and warn if
6215 not a FUNCTION_ or VAR_DECL.
6217 2006-07-15 Mike Stump <mrs@apple.com>
6220 * c-parser.c (c_parser_typeof_specifier): Don't use
6221 c_finish_expr_stmt, open code desired semantics instead.
6223 2006-08-15 Nick Clifton <nickc@redhat.com>
6225 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
6226 fragment to tmake_file only if threads are enabled.
6227 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
6228 * config/i386/t-gthr-win32: New file. ... here.
6230 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6233 * c-parser.c (c_parser_compound_statement_nostart): Reset
6234 parser->error after each statement.
6236 2006-08-15 Jakub Jelinek <jakub@redhat.com>
6239 * omp-low.c (lower_omp_parallel): Convert t to
6240 receiver_decl's type.
6241 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
6242 source before comparison.
6245 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
6246 to itype in assignment to oldival2.
6248 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
6252 * c-typeck.c (build_compound_expr): If the second expression
6253 is an error mark, then just return an error mark instead of
6254 creating a COMPOUND_EXPR.
6256 2006-07-14 Mike Stump <mrs@apple.com>
6258 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
6260 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
6262 * c-decl.c, var-tracking.c: Fix comment typos.
6264 2006-08-14 Richard Sandiford <richard@codesourcery.com>
6266 PR rtl-optimization/28634
6267 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
6268 for floating-point modes unless flag_unsafe_math_optimizations.
6270 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
6271 Andrew Pinski <pinskia@physics.uc.edu>
6274 * tree.c (build_array_type): Unify array types with
6275 unspecified index_type.
6276 * c-decl.c (grokdeclarator): Make sure we do not modify a
6277 unified incomplete array type.
6278 * c-typeck.c (store_init_value): Create distinct type before
6279 filling in the index type in an initializer from a compound
6282 * c-decl.c (grokdeclarator): Remove code where we copy the
6285 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
6287 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
6288 into account for TODO_dump_cgraph.
6289 (TODO_update_ssa_no_phi): Likewise.
6290 (TODO_update_ssa_full_phi): Likewise.
6291 (TODO_update_ssa_only_virtuals): Likewise.
6292 (TODO_remove_unused_locals): Likewise.
6293 (TODO_set_props): Likewise.
6294 (TODO_update_stmt_usage): Likewise.
6296 2006-08-13 Dirk Mueller <dmueller@suse.de>
6298 * c-common.c (strict_aliasing_warning): Fix formatting.
6300 2006-08-13 Matthias Klose <doko@debian.org>
6302 * doc/invoke.texi: Fix spelling errors.
6304 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6306 PR rtl-optimization/23454
6307 * reorg.c (relax_delay_slots): Update comment.
6309 2006-08-11 Richard Guenther <rguenther@suse.de>
6312 * simplify-rtx.c (simplify_const_relational_operation):
6313 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
6316 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
6318 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
6319 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
6321 2006-08-10 Paul Brook <paul@codesourcery.com>
6323 * final.c (final_scan_insn): Clear current_insn_predicate before
6324 outputting inline asm.
6326 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
6328 PR tree-optimization/26197
6329 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
6330 get_ref_base_and_extent and overlap_subvar to add only relevant
6331 subvars as may-aliases.
6332 (add_may_alias_for_new_tag): New function, factored out of
6334 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
6335 with additional argument.
6336 * tree-flow.h (new_type_alias): Takes additional argument.
6338 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
6340 * gcov.c (no_data_file): New flag.
6341 (read_count_file): Set it if data file not present. Assume counts
6343 (output_lines): Don't name the data file, if there wasn't one.
6345 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
6347 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
6348 (rs6000_generate_compare): Tweak comments.
6349 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
6351 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
6353 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
6354 (var_debug_decl): New function.
6355 (var_reg_set): Follow debug decl link. Add location even if
6356 reg is already known to hold some other variable.
6357 (var_mem_set): Follow debug decl link.
6358 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
6359 decl link. Delete other known locations of the variable part
6361 (var_reg_delete, var_mem_delete): Delete other known locations
6362 of the variable part if requested.
6363 (same_variable_part_p): New function.
6364 (add_stores): Select MO_COPY when appropriate.
6365 (vt_initialize): Handle it.
6366 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
6367 known locations for MO_SET and MO_CLOBBER.
6368 (find_variable_location_part): New function.
6369 (set_variable_part, delete_variable_part): Use it.
6370 (clobber_variable_part): New function.
6371 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
6374 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
6376 PR tree-optimization/26969
6377 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
6378 with an empty list of PHIs.
6380 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
6384 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
6387 2006-08-06 Andreas Schwab <schwab@suse.de>
6389 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
6390 string. Whitespace and comment fixup.
6392 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6395 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
6399 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
6402 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
6404 2006-08-04 Jan Hubicka <jh@suse.cz>
6408 * reload.c (push_reload): Patch out the mismatching instruction;
6410 (find_reload): Bail out if the instruction was patched out.
6412 2006-08-04 Jan Hubicka <jh@suse.cz>
6414 PR tree-optimization/24888
6415 * tree-inline.c (expand_call_inline): Do not re-record variables.
6416 (declare_inline_vars): Add variable to unexpanded_var_list.
6418 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6419 Roger Sayle <roger@eyesopen.com>
6421 PR rtl-optimization/26244
6422 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
6423 inner_const are negative or greater than or equal to the bitsize of
6424 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
6425 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
6426 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
6427 CONST0_RTX (mode) when the new shift count is greater than or equal to
6428 to the bitsize of the object being shifted and XEXP (y, 0) has no side
6431 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
6433 * tree-cfg.c: Fix a comment typo.
6435 2006-08-03 Mark Mitchell <mark@codesourcery.com>
6438 * varasm.c (output_constant): Give the front end another chance to
6439 expand constants, after stripping NOPs.
6441 2006-08-03 Jan Hubicka <jh@suse.cz>
6443 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
6446 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
6448 PR tree-optimization/27770
6449 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
6450 declaration removed (moved to tree-flow.h).
6451 (vect_can_force_dr_alignment_p): Likewise.
6452 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
6453 (moved from tree-vectorizer.h).
6454 (vect_can_force_dr_alignment_p): Likewise.
6455 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
6456 from outside the vectorizer - in particular from cgraph stage.
6457 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
6458 the alignment of global arrays when -fsection-anchors is enabled.
6459 * cgraphunit.c (cgraph_increase_alignment): New function.
6460 (cgraph_optimize): Call cgraph_increase_alignment.
6462 2006-08-03 David Edelsohn <edelsohn@gnu.org>
6465 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
6466 not reload a SPE symbol_ref into a lo_sum address.
6468 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
6471 * dwarf2out.c (prune_unused_types_prune): Move call to
6472 prune_unused_types_update_strings to cover the parent DIE also.
6474 2006-08-02 Jan Hubicka <jh@suse.cz>
6476 PR gcov/profile/28480
6477 * tree-cfg.c (change_bb_for_stmt): New function.
6478 (tree_merge_blocks, tree_split_blocks): Use it.
6480 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6486 * toplev.c (compile_file): Return early on errorcount or sorrycount.
6487 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
6488 (cgraph_optimize): Likewise.
6490 2006-08-01 Stuart Hastings <stuart@apple.com>
6492 * rtl.h (UINTVAL) New.
6493 * config/rs6000/rs6000.c (SMALL_INT) Use it.
6494 * testsuite/gcc.dg/20060801-1.c: New.
6496 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
6499 * c-typeck.c (build_external_type): Mark used enum types.
6500 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
6502 (gen_subprogram_die): Whitespace fix.
6504 2006-08-01 Jan Hubicka <jh@suse.cz>
6506 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
6507 bitmap when not needed.
6508 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
6511 2006-08-01 Dirk Mueller <dmueller@suse.de>
6513 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
6515 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6517 * Makefile.in: Revert part of previous patch:
6518 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
6521 2006-07-30 Eric Christopher <echristo@apple.com>
6524 * doc/extend.texi (i386 Variable Attributes): Add anchor.
6525 (PowerPC Variable Attributes): New section.
6527 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
6529 PR target/28126 (partial fix)
6530 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
6532 2006-07-28 Jan Hubicka <jh@suse.cz>
6534 PR rtl-optimization/28071
6535 * cfgrtl.c (rtl_delete_block): Free regsets.
6536 * flow.c (allocate_bb_life_data): Re-use regsets if available.
6538 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6540 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
6541 and variables used in dependencies.
6543 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
6545 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
6546 %fs for -mcmodel=kernel.
6547 (stack_tls_protect_test_di): Likewise.
6549 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
6551 * Makefile.in: Use mkinstalldirs.
6553 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
6556 * opts-common.c (prune_options): Skip joined switches.
6558 2006-07-27 Jan Hubicka <jh@suse.cz>
6560 PR rtl-optimization/28071
6561 * cselib.c (cselib_process_insn): Don't remove useless values too
6562 often for very large hashtables.
6564 2006-07-27 Jan Hubicka <jh@suse.cz>
6566 PR rtl-optimization/28071
6567 * global.c (greg_obstack): New obstack.
6568 (allocate_bb_info): Use it.
6569 (free_bb_info): Likewise.
6570 (modify_reg_pav): Likewise.
6572 2006-07-27 Roger Sayle <roger@eyesopen.com>
6574 * builtins.c (fold_fixed_mathfn): When long and long long are the
6575 same size, canonicalize llceil*, llfloor*, llround* and llrint*
6576 functions to their lceil*, lfloor*, lround* and lrint* forms.
6578 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6581 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
6583 (rev_branch_insn): Likewise.
6585 2006-07-27 Jan Hubicka <jh@suse.cz>
6587 PR rtl-optimization/28071
6588 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
6589 (reg_set_in_bb, max_reg_computed): New static variables.
6590 (regmove_optimize): Free the new array.
6591 (fixup_match_1): Update call of reg_is_remote_constant_p.
6593 2006-07-26 Jan Hubicka <jh@suse.cz>
6595 PR tree-optimization/27882
6596 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
6598 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
6600 (cgraph_analyze_compilation_unit): Likewise.
6601 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
6602 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
6603 (cgraph_early_inlinine): Make order garbage collected.
6604 * Makefile.in (gt-ipa-inline): New garbagecollected file.
6606 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6608 * dbxout.c (output_types_sort): Add a comment.
6609 (output_used_types): Free the VEC.
6611 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6613 * function.c (reorder_fix_fragments): Delete.
6614 (reorder_blocks): Don't call it.
6615 (reorder_blocks_1): Put all subblocks under the origin block.
6617 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
6619 PR rtl-optimization/27907
6620 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
6623 2006-07-25 Roger Sayle <roger@eyesopen.com>
6626 * convert.c (convert_to_integer): When transforming (T)foo(x) into
6627 bar(x) check that bar's result type can represent all the values of T.
6629 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
6631 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
6633 2006-07-25 Nick Clifton <nickc@redhat.com>
6635 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
6636 size_lookup[] array.
6637 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
6638 (ggc_pch_count_object): Likewise.
6639 (ggc_pch_alloc_object): Likewise.
6640 (ggc_pch_write_object): Likewise.
6641 (init_ggc): Do not attempt to initialize entries in the
6642 size_lookup[] array for objects whose size is greater than than
6643 the length of the array.
6645 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
6647 * dbxout.c (output_used_types_helper): Push queued types
6649 (output_types_sort): New.
6650 (output_used_types): Collect used types on a VEC and sort them
6653 2006-07-24 Richard Guenther <rguenther@suse.de>
6656 * cgraph.c (cgraph_remove_node): Do not check if dumps
6658 * cgraphunit.c (cgraph_optimize): Likewise.
6660 2006-07-24 Jan Hubicka <jh@suse.cz>
6662 PR rtl-optimization/28071
6663 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
6664 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
6665 splitting before first stmt.
6667 2006-07-24 Jan Hubicka <jh@suse.cz>
6669 PR rtl-optimization/28071
6670 * ipa-inline.c (update_caller_keys): Remove edges that
6671 are no longer inline candidates.
6673 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
6676 * dbxout.c (output_used_types_helper, output_used_types): New.
6677 (dbxout_symbol): Call output_used_types.
6679 2006-07-23 Jan Hubicka <jh@suse.cz>
6683 * cgraph.c (cgraph_varpool_nodes): Export.
6684 (decide_is_variable_needed): Ignored "used" attribute in
6685 unit-at-a-time mode.
6686 * cgraph.h (cgraph_varpool_nodes): Declare.
6687 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
6688 unit-at-a-time mode.
6690 2006-07-23 Roger Sayle <roger@eyesopen.com>
6693 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
6694 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
6695 the __gthrw form of thr_keycreate.
6696 (__gthread_key_delete): Silence the unused argument warning.
6698 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
6701 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
6702 Cache the last found '\0' marker to avoid quadratic behavior.
6704 2006-07-23 Jan Hubicka <jh@suse.cz>
6706 * i386.md (subsi_3_zext): Fix output template.
6708 2006-07-21 Mike Stump <mrs@apple.com>
6710 * doc/invoke.texi (C++ Dialect Options): Note that
6711 -fvisibility-inlines-hidden doesn't affect explicitly
6712 instantiationed inline methods.
6714 2006-07-20 Roger Sayle <roger@eyesopen.com>
6716 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
6717 if the target assembler is GNU binutils' gas.
6718 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
6719 whether to pass GNU gas or native as command line options.
6721 2006-07-20 Jason Merrill <jason@redhat.com>
6723 * tree.c (remove_attribute): New fn.
6724 * tree.h: Declare it.
6726 2006-07-20 Paul Brook <paul@codesourcery.com>
6729 * cse.c (cse_insn): Add destination addresses to hash table. Check if
6730 they are invalidated by this instruction.
6732 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
6735 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
6737 2006-07-20 Eric Christopher <echristo@apple.com>
6740 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
6742 2006-07-19 Eric Christopher <echristo@apple.com>
6744 * config/t-slibgcc-darwin (stmp-lipo): Remove.
6745 Rewrite dependencies for libgcc_s.1.dylib.
6747 2006-07-19 Jakub Jelinek <jakub@redhat.com>
6749 * except.c (duplicate_eh_regions_1): Clear next_peer.
6751 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
6753 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
6754 -mlongcall does not guarantee all calls will be long.
6755 * doc/extend.texi (long_call/short_call): Document that longcall
6756 does not guarantee a long call will be used.
6757 (longcall/shortcall): Likewise.
6759 2006-07-18 Roger Sayle <roger@eyesopen.com>
6762 * expmed.c (expand_shift): Additionally check that the shift_cost
6763 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
6764 before implementing a LSHIFT_EXPR as a sequence of additions.
6765 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
6766 middle-end that DImode shifts need to be synthesized by expand.
6768 2006-07-18 Diego Novillo <dnovillo@redhat.com>
6771 * tree-ssa-operands.c (access_can_touch_variable): Update
6773 Return true if ALIAS is .GLOBAL_VAR.
6775 2006-07-18 David Daney <ddaney@avtrex.com>
6777 * gcc.c (display_help): Fix typo in help text.
6779 2006-07-18 Olivier Hainque <hainque@adacore.com>
6781 * tree.h (categorize_ctor_elements): Adjust prototype and add
6782 descriptive comment, both in accordance with the interface change
6784 * varasm.c (constructor_static_from_elts_p): New function.
6785 Whether a constructor node is a valid static constant initializer
6786 if all its elements are.
6787 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
6788 * output.h: Declare it.
6789 * expr.c (categorize_ctor_elements_1): Return whether the constructor
6790 is a valid constant initializer instead of computing the number of
6791 non-constant elements. Use constructor_static_from_elts_p for this
6792 purpose. Replace the head comment with an indication that this is a
6793 helper for categorize_ctor_elements.
6794 (categorize_ctor_elements): Same interface change as for the _1
6795 helper. Former head comment from this helper moved here, adjusted to
6796 account for the interface changes.
6797 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
6798 (all_zeros_p): Likewise.
6799 * gimplify.c (gimplify_init_constructor): Decide whether we can make
6800 static versions of the constructor from the categorize_ctor_elements
6801 return value instead of the formerly computed number of non-constant
6804 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
6806 * configure: Regenerate.
6807 * Makefile.in (build_libsubdir): New configure substitution
6808 (build_libobjdir): New variable.
6809 (BUILD_LIBIBERTY): Use it.
6811 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6814 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
6816 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
6819 * c-common.c (handle_weakref_attribute): Ignore attribute in
6820 the same conditions the alias attribute is ignored.
6822 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
6824 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
6825 (dbxout_begin_prologue): Increment scope_labelno.
6827 2006-07-17 Richard Henderson <rth@redhat.com>
6830 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
6833 2006-07-17 Roger Sayle <roger@eyesopen.com>
6834 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6836 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
6837 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
6838 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
6839 functions such as sbrk, write, etc.. Add function prototypes.
6840 Convert function declarations from K&R to ISO C. Cast pointers
6841 to "long" and "unsigned long" instead of "int" and "unsigned int".
6842 Convert tokens following #endif into comments.
6844 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
6846 * invoke.texi: Remove mention of f77; Reformat table for
6847 inline parameter options correctly; mention that -malign-double
6848 is default on x86-64 targets.
6850 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
6852 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
6853 (convert_affine_scev, chrec_convert_aggressive): Use
6854 avoid_arithmetics_in_type_p. Do not check for the subtypes
6857 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6860 * optabs.c (expand_doubleword_shift): Wrap the call to
6861 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
6863 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6866 * optabs.c (expand_binop): Pass next_methods rather than methods
6867 to expand_doubleword_shift.
6869 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
6872 * tree.h (dump_addr): Declare.
6873 * print-tree.c (dump_addr): New function.
6874 (print_node_brief, print_node): Use it.
6875 * print-rtl.c (print_rtx): Likewise.
6876 * common.opt (-fdump-noaddr): New option.
6877 * doc/invoke.texi (-fdump-noaddr): Document.
6878 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
6879 (ve_info_hash): Likewise.
6881 2006-07-13 Andrew Haley <aph@redhat.com>
6883 PR tree-optimization/19505
6884 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
6885 edge leaving this block, make sure that the destination of this
6886 block has only one predecessor.
6888 2006-07-17 Richard Guenther <rguenther@suse.de>
6890 PR tree-optimization/28238
6891 * tree-inline.c (copy_bb): Check if we produced valid
6892 gimple copying and substituting a stmt. If not, gimplify
6895 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
6897 * optabs.c (maybe_encapsulate_block): New function extracted from...
6898 (emit_libcall_block): ...here. Invoke it on the block of insns to
6899 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
6900 (emit_no_conflict_block): Likewise.
6902 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6904 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
6906 2006-07-15 Roger Sayle <roger@eyesopen.com>
6908 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
6909 a new NOP_EXPR case of the switch statement.
6911 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
6914 * stor-layout.c (place_field): Take the bit field with
6915 an excessive size into account in the ms-bitfiled case.
6918 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
6919 the previous bit field.
6921 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
6924 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
6926 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
6928 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
6929 signal frames correctly even when the signal was installed with
6932 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
6934 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
6935 (dbxout_function_end): Use local label LFBB. Remove hook
6937 (dbxout_source_line): Use local label LFBB.
6938 (dbxout_block): Likewise.
6939 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
6940 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
6941 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
6942 and DBX_OUTPUT_NFUN.
6944 2006-07-13 Janis Johnson <janis187@us.ibm.com>
6946 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
6948 2006-07-13 Jan Hubicka <jh@suse.cz>
6950 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
6952 * output.h (align_variable): Declare.
6953 * varasm.c (align_variable): Export.
6954 * value-prof.c (tree_value_profile_transformations): Recompute iterator
6955 when basic block changed.
6957 2006-07-13 Nick Clifton <nickc@redhat.com>
6959 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
6960 walking the LOG_LINKS chain.
6962 2006-07-12 Geoffrey Keating <geoffk@apple.com>
6964 * doc/invoke.texi (C++ Dialect Options): Explain difference
6965 between -fvisibility-inlines-hidden and setting hidden
6966 visibility explicitly.
6968 2006-07-12 Eric Christopher <echristo@apple.com>
6970 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
6971 (stmp-lipo): Depend on libgcc.a.
6973 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
6975 * tree.c: Fix a comment typo.
6977 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
6979 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
6981 (umulhisi3_r): Likewise.
6983 2006-07-12 Paolo Carlini <pcarlini@suse.de>
6986 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
6987 x < 19, vs wchar_t support.
6989 2006-07-12 Nick Clifton <nickc@redhat.com>
6991 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
6992 instead of -isa=sh4.
6994 2006-07-12 Mike Stump <mrs@apple.com>
6996 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
6998 2006-07-10 Eric Christopher <echristo@apple.com>
7000 * config/t-slibgcc-darwin: Rewrite.
7002 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
7005 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
7008 2006-07-08 Matthias Klose <doko@debian.org>
7010 * doc/sourcebuild.texi: Fix typo.
7012 2006-07-07 Mike Stump <mrs@apple.com>
7014 * toplev.c (process_options): Don't give -ffunction-sections may
7015 affect debugging warning for Mach-O.
7017 2006-07-07 James E Wilson <wilson@specifix.com>
7019 * config/mips/mips.md (cpu): Add sb1a.
7020 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
7021 addition to sb1. Adjust comments to clarify SB-1A differences from
7023 (ir_sb1a_load): New. Modify bypasses to use it.
7024 (ir_sb1a_simple_alu): Likewise.
7025 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
7026 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
7027 (mips_issue_rate): Add PROCESSOR_SB1A.
7028 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
7029 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
7030 (TARGET_SB1): Add PROCESSOR_SB1A check.
7031 (TUNE_SB1): Likewise.
7033 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
7034 * config/mips/mips.c (mips_store_data_bypass_p): New.
7035 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
7036 store_data_bypass_p.
7038 2006-07-08 Paul Brook <paul@codesourcery.com>
7041 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
7043 2006-07-07 Richard Guenther <rguenther@suse.de>
7046 * tree.h (build_one_cst): Declare.
7047 * tree.c (build_one_cst): New function.
7048 * tree-ssa-math-opts.c (get_constant_one): Remove.
7049 (insert_reciprocals): Use build_one_cst.
7050 * fold-const.c (fold_plusminus_mult): Likewise.
7052 2006-07-07 Roger Sayle <roger@eyesopen.com>
7054 * pointer-set.c (pointer_set_destroy): Correct whitespace.
7055 * cfgloopanal.c (dump_graph): Likewise.
7056 * dojump.c (discard_pending_stack_adjust): Likewise.
7057 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
7059 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
7060 * function.c (finalize_block_changes): Likewise.
7061 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
7062 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
7063 * rtl.c (dump_rtx_statistics): Likewise.
7064 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
7066 * varray.c (dump_varray_statistics): Likewise.
7067 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
7068 decode_decimal64, encode_decimal128, decode_decimal128,
7069 decimal_real_to_decimal): Likewise.
7071 2006-07-07 Richard Guenther <rguenther@suse.de>
7073 PR tree-optimization/28187
7074 * tree-vrp.c (vrp_operand_equal_p): New function.
7075 (vrp_bitmap_equal_p): Likewise.
7076 (update_value_range): Use them to compare old and new
7079 2006-07-06 Roger Sayle <roger@eyesopen.com>
7081 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
7082 a default case to switch statement to silence compiler warnings.
7084 2006-07-06 Roger Sayle <roger@eyesopen.com>
7087 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
7088 the configured assembler supports the x87's ffreep mnemonic.
7089 * configure: Regenerate.
7090 * config.in: Regenerate.
7092 * config/i386/i386.c (output_387_ffreep): New function.
7093 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
7094 (output_387_reg_move): Likewise.
7096 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
7098 Port to hosts whose 'sort' and 'tail' implementations
7099 treat operands with leading '+' as file names, as POSIX
7100 has required since 2001. However, make sure the code still
7101 works on pre-POSIX hosts.
7102 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
7103 which says you should use "tail -c +N" rather than "tail +Nc".
7104 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
7106 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
7108 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
7111 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7114 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
7115 PRE_{INC,DEC} of TFmode.
7117 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7118 Alan Modra <amodra@bigpond.net.au>
7121 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
7124 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7127 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
7128 Remove duplicate gtu.
7130 2006-07-05 Jason Merrill <jason@redhat.com>
7134 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
7135 * c-common.c (handle_packed_attribute): So don't copy it here.
7136 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
7138 2006-07-05 Mike Stump <mrs@apple.com>
7140 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
7142 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
7145 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
7147 2006-07-05 Richard Guenther <rguenther@suse.de>
7150 * config/i386/i386.md (*negdf2_1): Restrict pattern to
7151 TARGET_SSE2 targets if using SSE math.
7152 (*absdf2_1): Likewise.
7154 2006-07-05 Richard Guenther <rguenther@suse.de>
7156 PR tree-optimization/28162
7157 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
7158 make sure to convert the operands to the correct type.
7160 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
7162 PR tree-optimization/28218
7164 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
7165 to calculate and free the dominator information.
7167 2006-07-04 Peter O'Gorman <peter@pogma.com>
7169 * mklibgcc.in: chmod 644 before ranlib during install.
7171 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
7172 J"orn Rennecke <joern.rennecke@st.com>
7174 * configure.ac (.eh_frame data check): Use diff -b.
7176 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
7179 * Makefile.in (BUILD_RTL): Add build/vec.o.
7180 (build/gencondmd.o): Filter out -fkeep-inline-functions.
7181 (build/genextract): Delete.
7182 (build/genautomata): Likewise.
7184 2006-07-04 Alan Modra <amodra@bigpond.net.au>
7187 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
7188 128-bit IBM long doubles for ABI_V4.
7190 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
7192 * tree.c (range_in_array_bounds_p): New predicate.
7193 * tree.h (range_in_array_bounds_p): Declare it.
7194 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
7195 return a less conservative answer.
7196 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
7197 and flag 'is_group'.
7198 (IS_ELEMENT_FOR_GROUP): New macro.
7199 (FOR_EACH_ACTUAL_CHILD): Likewise.
7200 (next_child_for_group): New helper function.
7201 (can_completely_scalarize_p): Take into account groups.
7202 (sra_hash_tree): Handle RANGE_EXPR.
7203 (sra_elt_eq): Likewise.
7204 (lookup_element): Be prepared for handling groups.
7205 (is_valid_const_index): Delete.
7206 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
7207 instead of is_valid_const_index.
7208 <ARRAY_RANGE_REF>: New case.
7209 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
7210 is_valid_const_index.
7211 <ARRAY_RANGE_REF>: Do not unconditionally punt.
7212 (scan_dump): Dump info for groups too.
7213 (decide_instantiation_1): Likewise.
7214 (decide_block_copy): Assert that the element is not a group.
7215 Propagate decision to groups.
7216 (generate_one_element_ref): Handle RANGE_EXPR.
7217 (mark_no_warning): Iterate over actual childs.
7218 (generate_copy_inout): Likewise.
7219 (generate_element_copy): Likewise.
7220 (generate_element_zero): Likewise.
7221 (generate_element_init_1): Likewise.
7222 (dump_sra_elt_name): Handle RANGE_EXPR.
7224 2006-07-03 Roger Sayle <roger@eyesopen.com>
7226 PR tree-optimization/26251
7227 * tree-ssa-threadupdate.c (redirection_block_p): New function.
7228 (thread_block): When optimizing for size refuse to thread jumps
7229 that would require duplication of blocks other than redirection
7232 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7234 * configure.ac: Fix thinko in previous check-in.
7235 * configure: Regenerate.
7237 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7240 * configure.ac (for lang...): Simplify nesting of conditionals.
7241 Test subdir_requires for non-enabled languages. Move processing
7242 of lang_opt_files and lang_tree_fiels below that test.
7243 * configure: Regenerate.
7244 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
7246 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
7248 * doc/gcov.texi (Invoking Gcov): Add a missing word.
7250 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
7252 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
7255 2006-06-29 Jason Merrill <jason@redhat.com>
7262 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
7263 * c-common.c (c_determine_visibility): Handle it here.
7264 * c-decl.c (finish_decl): Call c_determine_visibility for
7266 * flags.h (enum symbol_visibility): Sort from most to least visibility.
7268 * varasm.c (default_assemble_visibility): Likewise.
7269 * c-common.c (handle_visibility_attribute): Complain about trying
7270 to give visibility to an already defined class, or trying to change
7271 declared visibility. Always attach the attribute.
7276 * attribs.c (decl_attributes): Ignore type-in-place attributes
7277 once the type has been defined.
7279 2006-06-29 Roger Sayle <roger@eyesopen.com>
7282 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
7283 to indicate the cpplib has issued an error message for us.
7285 2006-06-29 Asher Langton <langton2@llnl.gov>
7288 * config/i386/i386.c (ix86_output_function_epilogue): Don't
7289 insert a label at the end of an function under Mach-O.
7291 2006-06-29 Eric Christopher <echristo@apple.com>
7292 Evan Cheng <evan.cheng@apple.com>
7294 * predicates.md (vector_all_ones_operand): New.
7295 (nonimmediate_or_sse_const_operand): Ditto.
7296 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
7297 * config/i386/i386.c (standard_sse_constant_opcode): Define.
7298 (standard_sse_mode_p): Ditto.
7299 (standard_sse_constant_p): Add case for -1 vector.
7300 (ix86_expand_vector_move): Try to use.
7301 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
7302 Call standard_sse_constant_opcode.
7303 (*movv4sf_internal): Ditto.
7304 (*movv2df_internal): Ditto.
7306 2006-06-29 Roger Sayle <roger@eyesopen.com>
7308 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
7309 of XEXP to extract the operands of a MATCH_CODE rtx.
7311 2006-06-28 Andrew Pinski <pinskia@gmail.com>
7313 * tree.c (tree_size): Do not waste tail padding in
7314 struct tree_string and make the size be the same as
7315 build_string will generate.
7317 2006-06-28 Jason Merrill <jason@redhat.com>
7320 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
7321 may_aliases already in the tag's annotations to the bitmap.
7323 2006-06-28 Roger Sayle <roger@eyesopen.com>
7325 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
7327 2006-06-28 Roger Sayle <roger@eyesopen.com>
7329 * genpreds.c (generate_switch_p): New function.
7330 (add_mode_tests): Push the new mode test down inside an AND expr
7331 if this allows the switch-suitable MATCH_CODE to be near the root.
7332 (write_match_code_switch): New function to write a MATCH_CODE as
7334 (write_predicate_stmts): New function to write a predicate RTX
7335 expression as a sequence of statements.
7336 (write_one_predicate_function): Use write_predicate_stmts.
7337 (write_tm_constrs_h): Likewise.
7339 2006-06-26 Fred Fish <fnf@specifix.com>
7341 * config/mips/t-sb1: New file.
7342 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
7345 2006-06-26 DJ Delorie <dj@redhat.com>
7347 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
7349 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
7350 Jayant Sonar <jayants@kpitcummins.com>
7351 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
7353 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
7354 (subsi3, subsi3_1, subsi3_2): New.
7355 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
7356 * config/m32c/mov.md (SI mov peephole): New.
7357 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
7358 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
7360 2006-06-26 Olivier Hainque <hainque@adacore.com>
7362 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
7363 a CALL_EXPR target function declaration.
7365 2006-06-26 Richard Guenther <rguenther@suse.de>
7367 * tree.c (build_string): Do not waste tail padding in
7370 2006-06-26 Richard Guenther <rguenther@suse.de>
7372 * ggc-page.c (init_ggc): Add missing element to size_lookup
7376 2006-06-23 Richard Guenther <rguenther@suse.de>
7378 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7379 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7380 alignment requests instead. Add verification code.
7381 Add struct tree_function_decl and struct tree_binfo size to
7382 extra_order_size_table. Add missing element to size_lookup
7385 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
7388 * fold-const.c (const_binop): Be prepared for self returning zero.
7389 Simplify code handling complex values.
7391 2006-06-24 Olivier Hainque <hainque@adacore.com>
7393 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
7394 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
7397 2006-06-24 Olivier Hainque <hainque@adacore.com>
7399 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
7400 ARRAY_REF, so have the callback called for the low bound expression.
7402 2006-06-23 Janis Johnson <janis187@us.ibm.com>
7404 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
7405 * c-typeck.c (c_common_type): Disallow operations on decimal float
7406 types and other float types.
7407 * convert.c (convert_to_real): Don't ignore conversions involving
7408 decimal float types.
7410 2006-06-23 Olivier Hainque <hainque@adacore.com>
7412 * tree.c (max_int_size_in_bytes): New function, inspired from
7413 code in function.c:assign_temp.
7414 * tree.h (max_int_size_in_bytes): Declare.
7415 * function.c (assign_temp): Use it.
7416 * gimplify.c (create_tmp_var): Relax the assertions on the type
7417 properties, not mandating constant size any more.
7418 (force_constant_size): New static function.
7419 (gimple_add_tmp_var): Use it, forcing variable size to a
7420 constant upper bound if it is not constant on entry.
7422 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
7425 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
7426 for initialization and setting of one_only flag to ...
7427 (i386_pe_encode_section_info): ...here.
7428 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
7429 Recheck that the symbol has not been defined.
7431 2006-06-23 Richard Guenther <rguenther@suse.de>
7433 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7434 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7435 alignment requests instead. Add verification code.
7436 Add struct tree_function_decl and struct tree_binfo size to
7437 extra_order_size_table. Add missing element to size_lookup
7440 2006-06-22 Roger Sayle <roger@eyesopen.com>
7441 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7444 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
7445 call to lang_hooks.types.type_for_mode returned NULL_TREE.
7447 2006-06-23 Ben Elliston <bje@au.ibm.com>
7449 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
7450 negate dn -- manipulate it directly.
7452 2006-06-22 Roger Sayle <roger@eyesopen.com>
7453 Steven Bosscher <stevenb.gcc@gmail.com>
7456 * reload1.c (gen_reload): Call mark_jump_label on the new insns
7457 generated by gen_move_insn to add REG_LABEL notes if necessary.
7459 2006-06-22 Bob Wilson <bob.wilson@acm.org>
7461 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
7462 (leaf_entry): Remove use of MIN_ESA.
7464 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
7466 PR rtl-optimization/28121
7467 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
7470 2006-06-21 DJ Delorie <dj@redhat.com>
7472 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
7474 (mulhisi3_r): Likewise.
7476 2006-06-21 Richard Sandiford <richard@codesourcery.com>
7479 * coverage.c (coverage_counter_alloc): Leave the index type
7481 (coverage_counter_alloc): Use null arguments for operands 2 and 3
7484 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
7486 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
7487 section from the "Options for Code Generation Conventions".
7489 2006-06-21 Richard Henderson <rth@redhat.com>
7493 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
7495 (global_symbolic_operand): Allow weak symbols, even if local_p.
7497 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
7499 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
7500 (find_interesting_uses_address): Punt if above function returns true.
7502 2006-06-21 Richard Guenther <rguenther@suse.de>
7504 * configure: Regenerated.
7506 2006-06-21 Joseph Myers <joseph@codesourcery.com>
7508 * config/mips/mips.c (function_arg): Where one part of a
7509 complex argument is in registers and the other part in the stack,
7510 return a REG not a PARALLEL.
7512 2006-06-21 Mark Mitchell <mark@codesourcery.com>
7514 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
7515 when cross-compiling. Do not substitute libstdcxx_incdir.
7516 * configure: Regenerated.
7518 2006-06-21 Jakub Jelinek <jakub@redhat.com>
7520 * varasm.c (mergeable_string_section): Check for embedded NULs and
7521 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
7522 rather than TREE_STRING_LENGTH bytes.
7524 2006-06-21 Richard Guenther <rguenther@suse.de>
7526 * ggc-page.c (extra_order_size_table): Add var_ann_d,
7527 tree_ssa_name, bitmap_element and phi_node with 4 arguments
7530 2006-06-21 Richrad Guenther <rguenther@suse.de>
7532 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
7533 Limit iteration over the dominators.
7535 2006-06-20 Roger Sayle <roger@eyesopen.com>
7537 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
7538 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
7540 2006-06-20 Richard Guenther <rguenther@suse.de>
7541 Michael Matz <matz@suse.de>
7543 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
7545 * alloc-pool.c (free_alloc_pool_if_empty): New function.
7546 * et-forest.h (et_free_pools): Prototype new function.
7547 * et-forest.c (et_free_tree_force): Free parent occurrence.
7548 (et_free_pools): New function.
7549 * dominance.c (free_dominance_info): Free et-forest alloc
7552 2006-06-20 Roger Sayle <roger@eyesopen.com>
7554 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
7555 integer modes, attempt to directly construct an integer constant.
7557 * fold-const.c (native_encode_vector): Determine the size of each
7558 element from the vector type instead of the first vector element.
7560 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
7561 if all of its elements/components are constant.
7562 (build_constructor_from_list): Likewise.
7564 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
7566 PR tree-optimization/27331
7567 * tree-data-ref.c (free_data_ref): New function.
7568 (create_data_ref): Fail if the data reference has unknown access
7570 (free_data_refs): Use free_data_ref.
7572 2006-06-19 Andrew Pinski <pinskia@gmail.com>
7575 * tree-inline.c (setup_one_parameter): Strip useless
7576 type conversion before adding it to the IR.
7577 (declare_return_variable): Likewise.
7579 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
7582 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
7584 2006-06-19 Mike Stump <mrs@apple.com>
7586 * tree.c (variably_modified_type_p): VM arguments don't make the
7589 2006-06-19 Richard Guenther <rguenther@suse.de>
7591 * tree-ssa-pre.c (try_combine_conversion): Strip useless
7592 type conversions after folding.
7594 2006-06-19 Richard Guenther <rguenther@suse.de>
7596 * ggc-page.c (extra_order_size_tab): Add entries with
7597 size of struct function and basic_block.
7598 (size_lookup): Extend to cover sizes up to 511.
7599 (ggc_alloc_stat): Adjust user.
7600 (ggc_pch_count_object): Likewise.
7601 (ggc_pch_alloc_object): Likewise.
7602 (ggc_pch_write_object): Likewise.
7604 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
7606 * tree-ssa-loop-niter.c (implies_ge_p): New function.
7607 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
7610 2006-06-19 Denis Chertykov <denisc@overta.ru>
7612 * config/avr/libgcc.S : Correct my wrong previous commit.
7614 2006-06-19 Roger Sayle <roger@eyesopen.com>
7617 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
7618 have stripped a SUBREG from the shift count, so we may need to
7619 convert_to_mode back to the type's mode before calling make_tree.
7620 Use new_amount instead of amount to avoid expanding a tree twice.
7622 2006-06-19 Richard Guenther <rguenther@suse.de>
7625 * fold-const.c (operand_equal_p): Check if the argument types
7626 have the same precision before stripping NOPs.
7628 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
7630 Fix PR tree-optimization/27341
7631 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
7633 * tree-complex.c (pass_lower_complex): Update SMT usage.
7635 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
7637 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
7638 Add a new alternative to the constraint strings. Add move of
7639 operand 1 to 3 to the splitter definition.
7640 ("doloop_si_long"): Second contraint alternative removed.
7642 2006-06-08 Anatoly Sokolov <aesok@post.ru>
7644 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
7645 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
7647 (AVR_HAVE_MOVW) Define.
7648 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
7649 (ASM_SPEC): Add avr25.
7650 (LINK_SPEC): Add avr25.
7651 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
7652 (base_arch_s): Add new member 'have_movw_lpmx'.
7653 (avr_arch_types): Init 'have_movw_lpmx'.
7654 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
7655 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
7656 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
7657 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
7658 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
7660 (avr_file_start): Do not output '.arh' derective.
7661 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
7662 (__do_copy_data): Use __AVR_HAVE_LPMX__.
7663 * config/avr/avr.md (mcu_enhanced): Delete.
7664 (mcu_have_movw): Define.
7665 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
7666 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
7667 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
7668 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
7669 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
7670 attiny861 and at86rf401 devices.
7672 2006-06-18 Jie Zhang <jie.zhang@analog.com>
7674 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
7677 2006-06-17 Karl Berry <karl@gnu.org>
7679 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
7680 doc/gccint.texi, doc/install.texi (@dircategory): Use
7681 "Software development" instead of "Programming", following
7682 the Free Software Directory.
7684 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
7686 * config/i386/i386.c (legitimate_tls_address)
7687 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
7688 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
7689 (*tls_dynamic_gnu2_combine_64): Likewise.
7691 2006-06-16 Richard Guenther <rguenther@suse.de>
7694 * fold-const.c (negate_expr_p): Do not introduce undefined
7695 overflow in negating INTEGER_CSTs.
7696 (fold_negate_expr): Rename from negate_expr. Revert last
7697 change for folding BIT_NOT_EXPR. Change semantics to
7698 return NULL_TREE for non-simplified negations. Do not
7699 strip type conversions and unify type handling.
7700 (negate_expr): New function, wrap around fold_negate_expr
7701 but ensure building a tree always. Strip type conversions
7702 here, fold to result type.
7703 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
7705 2006-06-16 Roger Sayle <roger@eyesopen.com>
7708 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
7709 that (would) return their results in stack registers.
7711 2006-06-16 Michael Matz <matz@suse.de>
7712 Richard Guenther <rguenther@suse.de>
7714 * fold-const.c (fold_truthop): Only return new tree node if
7715 we canonicalized something.
7717 2006-06-16 Richard Guenther <rguenther@suse.de>
7719 * function.h (enum function_frequency): Move declaration
7720 out of struct function.
7721 (struct function): Move bool fields and the enum to the bitfield
7722 section. Reorder elements to avoid padding. Remove unused
7723 fields left over from the RTL inliner removal.
7724 * function.c (free_after_compilation): Do not zero removed fields.
7725 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
7726 (ipa-type-escape.o): Likewise.
7728 2006-06-16 Richard Guenther <rguenther@suse.de>
7730 * cgraph.h (struct cgraph_local_info): Turn bool elements
7732 (struct cgraph_node): Likewise.
7733 (struct cgraph_varpool_node): Likewise.
7735 2006-06-15 Richard Guenther <rguenther@suse.de>
7737 * fold-const.c (fold_truth_not_expr): Rename from
7738 invert_truthvalue. Give it fold_* semantics to avoid
7740 (invert_truthvalue): New function. Wrapper around
7741 fold_truth_not_expr.
7742 (optimize_minmax_comparison): Avoid creating garbage.
7743 (fold_unary): Use fold_truth_not_expr for folding
7745 (fold_ternary): Replace uses of invert_truthvalue with
7746 fold_truth_not_expr where applicable.
7747 * tree.h (fold_truth_not_expr): Prototype.
7749 2006-06-16 Richard Guenther <rguenther@suse.de>
7751 PR tree-optimization/27781
7752 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
7753 * ipa-pure-const.c (target.h): Include.
7754 (analyze_function): Do not analyze functions that do not
7757 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
7760 * tree-dfa.c (referenced_vars_dup_list): Remove.
7761 (find_referenced_vars): Remove assert.
7762 (referenced_var_check_and_insert): Replace dup list with assert.
7763 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
7764 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
7766 2006-06-15 Richard Guenther <rguenther@suse.de>
7768 * tree-ssa-structalias.c (alias_get_name): Avoid creating
7769 extra unused identifiers if not dumping.
7770 (create_variable_info_for): Likewise.
7772 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
7774 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
7775 (derive_constant_upper_bound): Derive more precise upper bound in
7776 common cases. Return type changed to double_int.
7777 (record_estimate): Reflect the changed return type of
7778 derive_constant_upper_bound.
7779 * double-int.c (double_int_zext, double_int_sext): Fix.
7781 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
7783 * configure.ac (CFLAGS): Get them from the toplevel or from the
7784 configure invocation.
7785 * configure: Regenerate.
7786 * Makefile.in (CFLAGS): Substitute value provided by configure.
7788 2006-06-14 Mark Mitchell <mark@codesourcery.com>
7791 * c-common.h (c_finish_omp_atomic): Adjust declaration.
7792 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
7793 rather than calling add_stmt on it.
7794 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
7796 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
7799 * reload1.c (reload): Remove registers returned by update_eliminables
7800 from used_spill_regs.
7802 2006-06-13 DJ Delorie <dj@redhat.com>
7804 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
7806 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
7808 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
7809 html__strip_dir, html__mkdir_p. Enhance install-html target.
7810 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
7811 * configure: Regenerate.
7813 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
7815 * fold-const.c (fold_cond_expr_with_comparison): Check for
7816 Objective-C++ as language in deciding COND_EXPR transformation.
7818 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
7821 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
7822 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
7823 * config/sh/lib1funcs.h (SL, SL1): Define.
7824 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
7825 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
7826 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
7827 (OBJS_Os_4_200): New variable.
7828 ($(T)libgcc-Os-4-200.a): Use it.
7829 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
7830 when dividing 1 and/or by 0.
7832 2006-06-13 Roger Sayle <roger@eyesopen.com>
7834 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
7835 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
7836 * configure: Regenerate.
7838 2006-06-13 Jie Zhang <jie.zhang@analog.com>
7840 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
7841 for real instruction.
7843 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7846 * haifa-sched.c (check_cfg): Handle special case.
7848 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
7851 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
7852 Add debug_info parameter. Chain the vars to the BLOCK instead
7853 of the BIND_EXPR if debug info are requested for them.
7854 (pop_gimplify_context): Adjust for above change.
7855 (gimple_add_tmp_var): Likewise.
7856 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
7858 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
7859 (convert_local_reference): Likewise.
7860 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
7861 (finalize_nesting_tree_1): Request that debug info be emitted
7862 for debug_var_chain.
7864 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7866 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
7867 for PR target/27863.
7869 2006-06-13 Richard Guenther <rguenther@suse.de>
7872 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
7874 2006-06-13 Richard Guenther <rguenther@suse.de>
7876 PR tree-optimization/27830
7877 * tree-inline.c (copy_body_r): For copying the operand
7878 of an ADDR_EXPR make sure to fold &* afterwards.
7880 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
7882 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
7883 lvalues in the fb_none case with side-effects.
7885 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
7887 * tree-flow.h: Remove the prototype for
7888 compute_phi_arg_on_exit.
7889 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
7890 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
7893 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
7895 * builtins.c (expand_builtin_return_addr): Only use
7896 frame_pointer_rtx when count == 0 and we are expanding
7897 __builtin_return_address.
7899 2006-06-12 Fred Fish <fnf@specifix.com>
7901 * config/mips/mips.c (mips_file_start): Create special section
7902 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
7904 2006-06-11 Eric Christopher <echristo@apple.com>
7907 * stor-layout.c (place_field): Remove check for
7908 remaining_in_alignment when aligning at the end of a run.
7910 2006-06-11 Eric Christopher <echristo@apple.com>
7913 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
7916 2006-06-11 Roger Sayle <roger@eyesopen.com>
7919 Revert incorrect fix for PR target/27158
7920 2006-05-08 Roger Sayle <roger@eyesopen.com>
7921 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7922 of a reg_equiv_constant if the result is a legitimate constant.
7924 2006-06-11 Roger Sayle <roger@eyesopen.com>
7927 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
7928 extract a CONST_VECTOR element and interpret it as an integer.
7929 (vspltis_constant): Use const_vector_elt_as_int instead of the
7930 macro CONST_VECTOR_ELT in order to handle FP vector modes.
7931 * config/rs6000/predicates.md (easy_vector_const): Consider
7932 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
7934 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
7937 * stor-layout.c (update_alignment_for_field): Don't add extra
7938 alignment for packed non-bitfield fields in ms_bitfield_layout_p
7941 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
7943 * config/mips/t-rtems: Add EL/EB multilib variants.
7945 2006-06-09 Mike Stump <mrs@apple.com>
7947 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
7949 2006-06-09 David Daney <ddaney@avtrex.com>
7951 * doc/install.texi: Add binutils version recommendation for mips-*-*.
7953 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
7955 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
7957 2006-06-09 Richard Guenther <rguenther@suse.de>
7959 PR tree-optimization/26998
7960 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
7961 of signed types, only TYPE_MIN_VALUE is special, but for both,
7962 minimum and maximum value. Likewise VR_ANTI_RANGE is special
7963 in this case, as is -fwrapv.
7965 2006-06-08 Mike Stump <mrs@apple.com>
7968 * config/darwin.c (darwin_asm_output_anchor): Disable
7969 -fsection-anchors on darwin for now.
7970 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
7971 * rs6000/rs6000.c (optimization_options): Likewise.
7973 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7976 * config/i386/i386.c (classify_argument): Skip fields with invalid
7979 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
7981 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
7982 (cse_insn): Likewise for the stack_pointer_rtx.
7984 2006-06-08 Roger Sayle <roger@eyesopen.com>
7986 * tree-ssa-dom.c (record_conditions): Only record "unordered"
7987 conditions from floating point comparisons.
7989 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
7992 * expmed.c (struct alg_hash_entry): Fix type of field T
7993 to match synth_mult argument.
7994 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
7996 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7999 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
8002 2006-06-08 Richard Guenther <rguenther@suse.de>
8005 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
8006 only, if overflow is defined and not trapping.
8007 (negate_expr): Likewise.
8009 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
8011 PR tree-optimization/27872
8012 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
8013 flag on the new exit edge of the unrolled loop.
8015 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
8017 PR rtl-optimization/26449
8018 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
8020 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
8023 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
8024 referenced_variables with matching DECL_UID's.
8025 (find_referenced_vars): Make sure duplicate list is empty to start.
8026 (referenced_var_p): Remove.
8027 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
8028 Check if var is in the list, and add if needed. Update the duplicate
8029 list if a different var is in the list with the same DECL_UID.
8030 (add_referenced_var): Call routine to check and insert.
8031 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
8032 * tree-flow.h (referenced_vars_dup_list): External declaration.
8034 2006-06-07 Fred Fish <fnf@specifix.com>
8036 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
8039 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
8042 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
8043 the imaginary and real parts of a clobbered register.
8044 Emit insn to set the imaginary part.
8046 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
8048 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
8049 in lieu of unwind-dw2-fde.c.
8051 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
8053 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
8055 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
8058 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
8059 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
8060 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
8061 V4SImode temporaries and operations instead.
8063 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
8065 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
8068 2006-06-06 Mike Stump <mrs@apple.com>
8070 * Makefile.in: Rename to htmldir to build_htmldir to avoid
8071 installing during build.
8073 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8075 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
8077 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8078 * config/ia64/ia64.c (params.h): New header.
8079 (ia64_optimization_options): New function to adjust parameters.
8080 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
8081 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
8082 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
8084 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
8086 * stor-layout.c (debug_rli): Fix a typo in a debug message.
8088 2006-06-05 Steve Ellcey <sje@cup.hp.com>
8091 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
8093 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
8094 Victor Kaplansky <victork@il.ibm.com>
8096 PR tree-optimization/26360
8097 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
8100 2006-06-04 Roger Sayle <roger@eyesopen.com>
8101 Andrew Pinski <pinskia@physics.uc.edu>
8104 * c-common.c (c_common_truthvalue_conversion): Explicitly check
8105 for LABEL_DECL before calling DECL_WEAK.
8108 * c-typeck.c (build_binary_op): Likewise, explicitly check for
8109 LABEL_DECL and PARM_DECL.
8111 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
8115 * c-decl.c (grokdeclarator): Disallow variably modified types at
8116 file scope. Avoid marking shared array type of constant size as
8119 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8122 * c-common.c (fold_offsetof_1): Handle static members.
8124 2006-06-04 Eric Christopher <echristo@apple.com>
8126 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
8127 (debug_rli): Output value for remaining_in_alignment.
8128 (update_alignment_for_field): Unconditionalize
8129 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
8130 extra alignment code.
8131 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
8132 ms_bitfield_layout_p code. Rewrite handling of structure fields.
8133 * tree.h (record_layout_info_s): Remove prev_packed.
8134 * doc/extend.texi (ms_struct): Add documentation of format.
8136 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
8138 * tree.h: Declare folding_initializer.
8139 * builtins.c (fold_builtin_constant_p): Give definite answer
8140 if folding inside an initializer.
8141 * fold-const.c: Define folding_initializer.
8142 (START_FOLD_INIT): Save and then set folding_initializer.
8143 (END_FOLD_INIT): Restore folding_initializer.
8145 2006-06-04 Richard Guenther <rguenther@suse.de>
8147 PR tree-optimization/27039
8148 * fold-const.c (fold_comparison): Handle pointer comparison
8149 again for all comparison codes. Compare offsets in signed
8151 (fold_binary): Move code from here.
8153 2006-06-03 Roger Sayle <roger@eyesopen.com>
8156 * config/i386/i386.c (construct_container): Split static issued_error
8157 flag into issued_sse_arg_error, issued_sse_ret_error and
8158 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
8159 requires the use of x87 registers and the user explicitly
8160 specified the -mno-80387 command line option.
8162 2006-06-02 Geoffrey Keating <geoffk@apple.com>
8164 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
8165 HAVE_DECL_SIGALTSTACK.
8167 (segv_handler): Use MC_FLD.
8168 * configure.ac: Check for a sigaltstack declaration.
8169 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
8170 * configure: Regenerate.
8171 * config.in: Regenerate.
8173 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
8176 * Makefile.in (stmp-fixinc): Fix typo.
8178 2006-06-02 Roger Sayle <roger@eyesopen.com>
8180 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
8181 are type correct. Clean-up.
8182 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
8183 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
8185 2006-06-01 DJ Delorie <dj@redhat.com>
8187 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
8188 shift, as we've disabled the "switch" insn that needs it.
8190 2006-06-01 Per Bothner <bothner@bothner.com>
8192 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
8193 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
8194 * c-ppoutput.c (cb_define): Don't increment line 0.
8196 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
8198 * doc/invoke.texi: Add cpu_type power6.
8199 * config.gcc: Add cpu_type power6.
8200 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
8201 to power5+ with Altivec.
8202 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
8203 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
8205 2006-05-30 Anatoly Sokolov <aesok@post.ru>
8207 * config/avr/avr.h (SET_ASM_OP): Define.
8209 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
8211 * config/bfin/bfin.c: Fix comment typos.
8213 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8216 * doc/install.texi: Document --enable-bootstrap and
8217 --disable-bootstrap.
8219 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8221 * doc/install.texi: Document that InfoZIP can replace jar.
8223 2006-05-31 Roger Sayle <roger@eyesopen.com>
8225 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
8226 isn't available, directly generate the simpler x87 patterns without
8227 the (use (const_int 0)).
8228 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
8229 implementation isn't available.
8230 (*negdf2_1): Likewise.
8231 (*negxf2_1): XF mode negation is always done using the x87.
8232 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
8234 2006-05-31 Roger Sayle <roger@eyesopen.com>
8236 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
8237 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
8239 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
8241 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8243 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
8244 * config/bfin/bfin.c (basic-block.h): Include.
8245 (struct machine_function): New.
8246 (bfin_init_machine_status): New.
8247 (override_options): Initialize init_machine_status.
8248 (bfin_hardware_loop): New.
8249 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
8250 (DEF_VEC_P (loop_info)): New.
8251 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
8252 (struct loop_info): New.
8253 (loop_info): New typedef.
8254 (struct loop_work): New.
8255 (loop_work): New typedef.
8256 (DEF_VEC_O (loop_work)): New.
8257 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
8258 (bfin_dump_loops): New.
8259 (bfin_bb_in_loop): New.
8260 (bfin_scan_loop): New.
8261 (bfin_optimize_loop): New.
8262 (bfin_reorg_loops): New.
8263 (bfin_reorg): Use bfin_reorg_loops.
8264 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
8266 (I_REGNO_P): Simplify.
8267 (DP_REGNO_P, DPREG_P): New macros.
8268 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
8269 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
8270 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8271 Add LT_REGS, LC_REGS, LB_REGS.
8272 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
8274 (REGNO_REG_CLASS): Deal with loop registers.
8275 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
8277 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
8278 New constants for loop registers.
8279 (UNSPEC_LSETUP_END): New.
8280 (seq_insns): New define_attr. Set it for appropriate insns.
8281 (movsi_insn): Add alternatives for move from/to
8282 loop count registers.
8283 (doloop_end): New define_expand.
8284 (loop_end): New define_insn.
8285 (define_split for bad doloop_end): New.
8286 (lsetup_with_autoinit): New define_insn.
8287 (lsetup_without_autoinit): New define_insn.
8288 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
8289 * config/bfin/predicates.md (lc_register_operand): New.
8290 (lt_register_operand): New.
8291 (lb_register_operand): New.
8292 (nondp_register_operand): New.
8293 (nondp_reg_or_memory_operand): New.
8294 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
8296 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8298 * config/bfin/bfin.c (bfin_delegitimize_address): New.
8299 (TARGET_DELEGITIMIZE_ADDRESS): Define.
8301 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
8303 * Makefile.in (CATALOGS): Add po/ prefix.
8304 * configure: Regenerated.
8306 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
8309 * arm.c (arm_print_operand case 'S'): Validate that the operand is
8310 a shift operand before calling shift_op. Avoid redundant call of
8313 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
8314 DJ Delorie <dj@redhat.com>
8316 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
8317 we're inserting is a singlt-bit constant.
8319 2006-05-30 Roger Sayle <roger@eyesopen.com>
8321 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
8322 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
8324 2006-05-30 Roger Sayle <roger@eyesopen.com>
8326 PR tree-optimization/23452
8327 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
8328 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
8329 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
8330 complex values and with -ffast-math for FP complex values.
8332 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
8334 * c-common.h: Remove the prototype for yyparse.
8335 * rtl.h: Remove the prototype for init_loop.
8337 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
8339 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
8342 2006-05-30 Roger Sayle <roger@eyesopen.com>
8344 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
8346 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
8347 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
8349 2006-05-30 Dirk Mueller <dmueller@suse.de>
8352 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
8353 for CONSTANT_CLASS_P expresisons.
8355 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8358 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
8360 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
8362 PR tree-optimization/27779
8363 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
8364 initial_condition instead of CHREC_LEFT.
8366 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
8368 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
8369 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
8370 Make prototypes ISO C90.
8372 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
8373 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8375 * see.c (see_analyze_one_def): Correct check.
8376 (see_get_extension_data): Check if extension is parallel.
8377 (see_get_extension_reg): Likewise.
8379 2006-05-30 Uros Bizjak <uros@kss-loka.si>
8382 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
8383 into register for (code == GTU).
8385 2006-05-29 Roger Sayle <roger@eyesopen.com>
8387 PR tree-optimization/24964
8388 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
8389 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
8390 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
8391 abs(x)*abs(x) as x*x for scalar floating point modes.
8393 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
8396 * lambda-code.c (perfect_nestify): Don't copy statements
8397 in the inner loop: move them to the inner loop header.
8399 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8402 * c-tree.texi: Document OpenMP directives and clauses.
8404 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8406 * varasm.c (globalize_decl): Fix indentation.
8408 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8411 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
8412 pass_fre, pass_store_ccp, pass_copy_prop,
8413 pass_store_copy_prop, pass_merge_phi, pass_nrv,
8414 pass_return_slot, pass_object_size, pass_lim,
8415 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
8416 pass_loop_prefetch and pass_stdarg.
8418 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
8420 * config/bfin/bfin.opt (mfdpic): New option.
8421 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
8422 (EXTRA_MULTILIB_PARTS): Likewise.
8423 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
8424 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
8426 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
8427 (CRT_CALL_STATIC_FUNCTION): New.
8428 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
8430 (CRT_CALL_STATIC_FUNCTION): New.
8431 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
8433 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
8434 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
8435 (initialize_trampoline): Changed to handle FD-PIC code generation.
8436 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
8437 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
8438 (override_options): Disallow -mid-shared-library -mfdpic combination.
8439 Can't do unaligned ops if FD-PIC.
8440 Turn off flag_pic if trying to generate non-id-shared-library
8441 non-fdpic code, since it's not supported.
8442 (bfin_assemble_integer): New function.
8443 (TARGET_ASM_INTEGER): Define.
8444 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
8446 * config/bfin/crtn.s: Restore them.
8447 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
8449 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
8450 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
8451 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
8452 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
8453 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
8455 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
8456 FDPIC_REGS and FDPIC_FPTR_REGS.
8457 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
8458 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
8459 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
8460 (load_funcdescsi): New pattern.
8461 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
8462 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
8463 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
8465 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8467 * gcse.c, rtlanal.c: Remove obsolete comments associated with
8470 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
8472 * tree-flow.h: Remove the prototype for add_type_alias.
8473 * tree-ssa-alias.c (add_type_alias): Remove.
8475 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
8477 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
8478 config/fr30/fr30.md, config/i386/i386-interix.h,
8479 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
8480 config/sh/superh64.h, config/v850/v850.c, df-core.c,
8481 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
8482 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
8483 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
8484 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
8485 Follow spelling conventions.
8486 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
8487 Follow spelling conventions.
8489 2006-05-27 Richard Guenther <rguenther@suse.de>
8492 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
8493 to produce a constant of value 1 of generic type.
8495 2006-05-27 Dirk Mueller <dmueller@suse.de>
8497 * cgraphunit.c (decide_is_function_needed): Fix wrong
8500 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
8502 PR rtl-optimization/27661
8503 * reload.c (find_reloads): When reloading a VOIDmode constant
8504 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
8505 use Pmode as mode of the reload register.
8507 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
8509 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
8510 is enabled at -O and above.
8512 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
8515 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
8518 2006-05-25 Mark Mitchell <mark@codesourcery.com>
8521 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
8522 for anonymous variables explicitly declared by front ends.
8524 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8526 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
8527 (struct alias_info): Add new field ref_all_symbol_mem_tag.
8528 * tree-ssa-alias.c (compute_may_aliases): If the program contains
8529 ref-all pointers, run a finalization pass for them.
8530 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
8531 (finalize_ref_all_pointers): New function.
8532 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
8533 regular pointer type to a ref-all pointer type.
8534 (get_tmt_for): Return the special memory tag for ref-all pointers.
8536 2006-05-25 Richard Guenther <rguenther@suse.de>
8539 * fold-const.c (fold_binary): Do not look at the stripped
8540 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
8542 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8544 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
8545 for LT and GT if the computed range is effectively empty.
8547 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8550 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
8551 mips_quad_format formats instead of ieee_single_format,
8552 ieee_double_format and ieee_quad_format formats, respectively.
8554 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
8556 PR tree-optimization/27639
8557 PR tree-optimization/26719
8558 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
8559 call to scev_probably_wraps_p.
8560 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
8561 used_in_pointer_arithmetic_p, convert_step): Removed.
8562 (nowrap_type_p): New function.
8563 (scev_probably_wraps_p): Rewritten.
8564 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
8565 chrec_convert if chrec_convert_aggressive might have been used.
8566 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
8567 scev_direction): New functions.
8568 (chrec_convert): Changed to a wrapper over chrec_convert_1.
8569 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
8570 instead of convert_step.
8571 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
8572 (convert_step): Declaration removed.
8573 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
8575 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
8577 * df-core.c: Added to header comments.
8578 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
8579 df_ur_bb_info, df_urec_bb_info): Added comments.
8580 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
8581 urec, ri problems): Fixed header comments.
8582 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
8583 code from df_rd_transfer_function.
8585 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8587 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
8588 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
8589 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
8591 2006-05-23 Joseph Myers <joseph@codesourcery.com>
8593 * expr.c (undefined_operand_subword_p): New.
8594 (emit_move_multi_word): Do not generate move from undefined bits
8595 of a paradoxical subreg.
8597 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8599 PR rtl-optimization/27736
8600 * combine.c (replaced_rhs_value): New variable.
8601 (combine_instructions): Set it.
8602 (distribute_notes): When distributing a note in replaced_rhs_insn,
8603 check whether the value was used in replaced_rhs_value.
8605 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
8608 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
8609 add_referenced_var instead of add_referenced_tmp_var.
8610 * tree-complex.c (create_one_component_var): Use add_referenced_var.
8611 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
8613 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
8614 tree_optimize_tail_calls_1): Use add_referenced_var.
8615 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
8616 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
8617 Use add_referenced_var.
8618 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
8619 * gimplify.c (force_gimple_operand): Use add_referenced_var.
8620 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
8621 Use add_referenced_var.
8622 * tree-dfa.c (struct walk_state): Remove.
8623 (find_referenced_vars): Remove walk state and vars_found hash table.
8624 (make_rename_temp): Use add_referenced_var.
8625 (find_vars_r): Pass less parameters to add_referenced_var.
8626 (referenced_var_p): New. Is var in referenced_var hash table.
8627 (referenced_var_insert): Assert var isn't already in hash table.
8628 (add_referenced_var): Don't need walk_state parameter. Add var if it
8629 isn't already in the hash table.
8630 (add_referenced_tmp_var): Remove.
8631 (find_new_referenced_vars_1): Use add_referenced_var.
8632 * tree-ssa-pre.c (create_expression_by_pieces,
8633 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
8634 Use add_referenced_var.
8635 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
8636 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
8637 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
8639 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8640 vect_create_data_ref_ptr, vect_create_destination_var,
8641 vect_init_vector, vect_build_loop_niters,
8642 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
8643 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
8644 Use add_referenced_var.
8645 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
8646 * tree-flow.h (add_referenced_tmp_var): Remove prototype
8647 (add_referenced_var): Add prototype.
8648 * tree-ssa-structalias.c (get_constraint_for,
8649 intra_create_variable_infos): Use add_referenced_var.
8651 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
8653 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
8654 big-endian paradoxical subregs.
8655 * var-tracking.c (struct micro_operation_def): Document that,
8656 for modify micro operations, insn is the subsequent instruction.
8657 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
8658 (var_reg_set, var_mem_set): ... new functions.
8659 (add_stores): Record subsequent insn.
8660 (compute_bb_dataflow): Use new functions for MO_USE.
8661 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
8662 notes after the insn, and modify notes before the insn known
8663 to be the subsequent one.
8664 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
8666 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
8669 * config/i386/i386.c (ix86_expand_builtin): Use
8670 gen_sse3_monitor64 for TARGET_64BIT.
8672 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
8674 PR rtl-optimization/26375
8675 PR rtl-optimization/26855
8676 * df-problems (df_ru_bb_local_compute_process_def): Removed update
8678 (df_ru_bb_local_compute): Reversed statements and removed bogus
8679 comment explaining why they should be in wrong order.
8680 (df_ru_dump, df_rd_dump): Enhanced debug info.
8681 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
8683 * ddg.c (add_deps_for_def): Converted use of reaching defs to
8684 reaching uses and fixed space problem.
8686 2006-05-23 Jan Hubicka <jh@suse.cz>
8688 * cgraphunit.c (decide_is_function_needed): Also nested functions
8689 and functions declared inline can be optimized out at -O0.
8691 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
8693 * doc/install.texi (Configuration): Remove reference to CrossGCC
8697 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8700 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
8701 ix86_compare_emitted is non-NULL.
8703 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8706 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
8709 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8711 PR rtl-optimization/25514
8712 * combine.c (replaced_rhs_insn): New variable.
8713 (combine_instructions): Set replaced_rhs_insn when trying to replace
8714 a SET_SRC with a REG_EQUAL note.
8715 (distribute_notes): Use replaced_rhs_insn when determining the live
8716 range of a REG_DEAD register.
8718 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
8719 Anatoly Sokolov <aesok@post.ru>
8721 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
8722 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
8723 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
8724 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
8725 atmega3290, atmega649, atmega6490, atmega406, atmega640,
8726 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
8727 at90usb647, at90usb1286 and at90usb1287 devices.
8728 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8729 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8731 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8733 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
8735 2006-05-22 Richard Guenther <rguenther@suse.de>
8738 2006-01-31 Richard Guenther <rguenther@suse.de>
8739 Paolo Bonzini <bonzini@gnu.org>
8741 * doc/install.texi (--disable-libgcc-math): Document.
8743 2006-05-22 Richard Guenther <rguenther@suse.de>
8746 2006-01-31 Richard Guenther <rguenther@suse.de>
8748 * doc/invoke.texi (-msselibm): Document.
8749 * target.h (expand_library_builtin): New target hook.
8750 * builtins.c (expand_builtin): Use expand_library_builtin.
8751 (default_expand_library_builtin): New function.
8752 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8753 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8754 (link_gcc_math_spec): Declare.
8755 (static_specs): Add link_gcc_math_spec.
8756 * expr.h (default_expand_library_builtin): Declare.
8757 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8758 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8759 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8760 * config/i386/i386.opt (msselibm): New target option.
8761 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8762 (ix86_init_sse_abi_builtins): New function.
8763 (ix86_expand_library_builtin): Likewise.
8764 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8765 (override_options): Handle error conditions wrt -msselibm.
8766 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8767 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8768 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8771 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8774 * c-common.c (self_promoting_args_p): Skip erroneous args.
8777 * c-decl.c (finish_struct): Skip erroneous fields.
8779 2006-05-22 Nick Clifton <nickc@redhat.com>
8781 * config/cris/cris.opt (march): Remove VarExists attribute.
8782 (max-stackframe=): Likewise.
8784 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8786 * doc/rtl.texi: Fix a typo.
8787 * see.c: Fix comment typos.
8789 * tree-ssa-structalias.h (alias_info): Remove num_references.
8791 2006-05-21 Mike Stump <mrs@apple.com>
8793 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
8795 (darwin_pragma_options): Use BAD instead.
8796 (darwin_pragma_unused): Likewise.
8797 (darwin_pragma_ms_struct): Likewise.
8799 2006-05-21 David Edelsohn <edelsohn@gnu.org>
8801 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
8803 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
8805 PR rtl-optimization/27671
8806 * simplify-rtx.c (simplify_relational_operation_1): Fix
8807 simplifications of (eq/ne (xor x y) y) and
8808 (eq/ne (xor x y) x).
8810 PR tree-optimization/26622.
8811 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
8814 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8816 * tree-cfg.c: Prune whitespace.
8817 (debug_tree_cfg): Point to correct header containing the
8820 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8823 * cgraphunit.c (verify_cgraph_node): Typo in error message.
8825 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
8828 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
8829 or sorry count is non zero.
8831 2006-05-20 Andreas Schwab <schwab@suse.de>
8833 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
8835 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
8836 Kenneth Zadeck <zadeck@naturalbridge.com>
8838 PR rtl-optimization/26855
8840 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
8842 (df_scan_alloc): Added code to properly handle multiword hard
8843 registers and add all_blocks parameter.
8844 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
8845 code to properly handle multiword hard registers.
8846 (df_rescan_blocks): Added code to remove deleted blocks from
8848 (df_ref_create_structure, df_ref_record): Added code to properly
8850 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
8851 and set DF_REF_PARTIAL.
8852 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
8853 (df_uses_record): Added DF_REF_PARTIAL for subreg.
8854 (df_scan_add_problem): Added flags parameter.
8855 (df_ref_create_structure): Changed switching structure.
8856 (df_bb_refs_record): Fixed case where duplicate artificial refs
8857 were created. Changed location of flags.
8858 (df_record_entry_block_defs): Added code to make stack pointer
8859 live in entry block. Refined cases where frame pointer is needed.
8860 Changed location of flags.
8861 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
8862 (df_set_state): Removed function.
8863 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
8864 df_insn_create_insn_record, df_insn_refs_delete,
8865 df_ref_create_structure): Formatting changes.
8866 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
8867 df_delete_basic_block): New function.
8868 (df_init): Changed location of flags.
8869 (df_add_problem): Added flags parameter and the way flags are
8871 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
8872 debug_df_chain): Improved debugging output.
8873 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
8874 (df_refs_chain_dump): Removed df parameter.
8875 (df_iterative_dataflow): Added consistency check.
8876 (df_prune_to_subcfg): Made public.
8877 (df_analyze_problem): Added blocks_to_init parameter and made
8879 (df_ref_record, df_bb_refs_record, df_mark_reg,
8880 df_record_exit_block_uses): Whitespace changes.
8881 (df_dump): Whitespace changes.
8882 * df.h: Some reordering to remove forward references.
8883 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
8884 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
8885 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
8886 (dataflow.flags): New field.
8887 (df.flag): Deleted field.
8888 (df_alloc_function): Added additional bitmap parameter.
8889 (df_dependent_problem_function): New type.
8890 (df_problem.changeable_flags): New field.
8891 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
8892 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
8893 (df_mw_hardreg): New struct.
8894 (DF_INSN_UID_MWS): New macro.
8895 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
8897 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
8898 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
8899 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
8900 (df_set_state): Removed function.
8901 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
8902 * df-problems.c (df_chain_dump): Removed df parameter.
8903 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
8904 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
8906 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
8907 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
8908 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
8909 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
8910 DF_REF_MUST_CLOBBER cases.
8911 (df_ru_bb_local_compute_process_def,
8912 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
8913 df_lr_bb_local_compute, df_ur_bb_local_compute,
8914 df_chain_create_bb): Made subreg aware.
8915 (df_ru_bb_local_compute, df_rd_bb_local_compute,
8916 df_lr_bb_local_compute, df_lr_bb_local_compute,
8917 df_chain_create_bb): Cleanup to use proper macros.
8918 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
8919 code to fixup bitvectors.
8920 (df_ri_alloc): Cleared lifetime.
8921 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
8922 df_create_unused_note): New function.
8923 (df_ri_bb_compute, df_ri_compute): Added code to create/update
8924 REG_DEAD and REG_UNUSED notes as well as register information.
8925 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
8926 df_chains_dump): Fixed crash if problem was never run.
8927 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
8928 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
8929 df_ri_add_problem): Processes flags in uniform manner.
8930 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
8931 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
8932 df_rd_dump, df_urec_free_bb_info): Formatting changes.
8933 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
8934 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
8935 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
8936 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
8937 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
8938 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
8939 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
8940 * see.c (see_initialize_data): Ditto.
8941 * final.c (rest_of_clean_state) Added regstack_completed.
8942 * rtl.h (regstack_completed): Ditto.
8943 * reg-stack.c (regstack_completed): Ditto.
8945 2006-05-19 Mike Stump <mrs@apple.com>
8947 * c-tree.h (default_conversion): Remove.
8948 * c-common.h (default_conversion): Add.
8950 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
8952 * tree-vrp.c (valid_value_p): New function.
8953 (adjust_range_with_scev): Fail if the value of bound is not
8956 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8958 * config/mips/linux-unwind.h: Include <asm/unistd.h>
8959 (mips_fallback_frame_state): Use syscall numbers to determine
8960 the appropriate li instruction for the current ABI. Only use
8961 __NR_sigreturn for o32.
8963 2006-05-19 Nicolas Setton <setton@adacore.com>
8965 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
8966 * langhooks.c (lhd_dwarf_name): New function.
8967 * langhooks-def.h (lhd_dwarf_name): Declare.
8968 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
8969 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
8971 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8973 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
8975 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
8976 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
8977 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
8978 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
8979 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
8980 determine the size of Wtype, etc.
8981 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
8982 (swfloatfuncs): New variable.
8983 (dwfloatfuncs): Likewise.
8984 (lib2funcs): Remove floating-point conversion functions from
8985 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
8986 the set of conversion routines needed. Allow entries to specify
8987 an object name, filename and word size. Update users accordingly.
8988 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
8989 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
8993 2006-02-08 Roger Sayle <roger@eyesopen.com>
8996 * config/fixtfdi.c: New libgcc source file.
8997 * config/fixunstfdi.c: New source file.
8998 * config/floatditf.c: New source file.
8999 * config/floatunditf.c: New souce file.
9000 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9001 files above instead of config/mips/_tilib.c.
9002 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9004 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9006 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
9007 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
9009 2006-05-18 Mike Stump <mrs@apple.com>
9011 Fix up vla, vm and [*] sematics.
9017 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
9018 (c_vla_unspec_p): Add.
9019 (c_vla_type_p): Add.
9020 * c-decl.c (struct c_scope): Add had_vla_unspec.
9021 (build_array_declarator): Add support for [*].
9022 (grokdeclarator): Likewise.
9023 (grokparms): Likewise.
9024 (get_parm_info): Likewise.
9025 * c-objc-common.c (c_vla_unspec_p): Likewise.
9026 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
9027 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
9028 typeof when argument is a variably modified type not inside sizeof or alignof.
9029 (c_parser_direct_declarator_inner): Propagate errors.
9030 (c_parser_sizeof_expression): Add support for [*].
9031 (c_parser_parms_declarator): Initialize had_vla_unspec.
9032 (c_parser_parms_list_declarator): Likewise.
9033 * c-typeck.c (c_vla_type_p): Add.
9034 (composite_type): Add support for vla compositing.
9035 (comptypes_internal): Add support for vla compatibility.
9036 (c_expr_sizeof_expr): Evaluate vla arguments.
9037 * tree.c (variably_modified_type_p): Update comment for [*].
9039 2006-05-18 Michael Matz <matz@suse.de>
9042 * config.host: Make assignments to host_xmake_file cumulative.
9043 * config.host (*-darwin*): Test $host, not $target.
9045 2006-05-12 Stuart Hastings <stuart@apple.com>
9047 * config/i386/i386.opt (-mstackrealign): New flag.
9048 * config/i386/i386.c (force_align_arg_pointer): New attribute.
9049 (ix86_handle_cconv_attribute): Emit error when
9050 force_align_arg_pointer attribute collides with too many regparms.
9051 (ix86_function_regparm): Limit regparms when used with
9052 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
9053 Support stack-realigning prologue in non-main functions. Emit
9054 warning for nested functions under -mstackrealign, emit error for
9055 nested functions with force_align_arg_pointer attribute.
9056 * doc/extend.texi (force_align_arg_pointer): Document it.
9057 * doc/invoke.texi (-mstackrealign): Document it.
9059 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
9061 PR rtl-optimization/27477
9062 * combine.c (try_combine): Don't split a parallel consisting
9063 of two sets into two individual sets if both sets reference
9066 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
9068 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
9069 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
9071 * doc/options.texi (VarExists): Updated.
9073 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9075 * unwind-dw2.c: Add declarations for uw_update_context and
9077 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
9078 detected, advance frame state and context once to skip over stub.
9080 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9084 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
9085 Call rewrite_into_loop_closed_ssa only when something changed.
9086 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
9087 * lambda-code.c (can_convert_to_perfect_nest): Declared.
9088 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
9089 Test for perfect_nest_p here. Fix formating.
9090 (replace_uses_equiv_to_x_with_y): Fix formating.
9091 (stmt_uses_op): Removed.
9092 (can_convert_to_perfect_nest): Removed loopivs parameter.
9093 Complete the test by checking the scalar dependences.
9094 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
9097 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9100 From Dan Kegel <dank@kegel.com>:
9101 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
9103 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
9105 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
9106 if the element type is variably modified without recursing.
9108 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9111 * tree-loop-linear.c (try_interchange_loops): Test for
9112 no data dependences.
9114 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
9116 PR tree-optimization/27548
9117 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
9118 range of ssa names that appear on abnormal edges.
9119 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
9120 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
9122 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9125 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
9127 2006-05-17 Jakub Jelinek <jakub@redhat.com>
9130 * tree.h (OMP_PARALLEL_COMBINED): Define.
9131 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
9132 (new_omp_context): Add is_combined_parallel argument.
9133 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
9134 new_omp_context caller.
9135 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
9136 Adjust gimplify_scan_omp_clauses callers.
9137 (omp_is_private): Issue errors if iteration variable is firstprivate
9138 or reduction in the current context.
9139 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
9140 on combined parallel workshare constructs.
9142 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9144 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
9145 (gcc-options.o): New rule.
9147 * optc-gen.awk: Protect variables for gcc-options.o with
9148 #ifdef GCC_DRIVER/#endif.
9150 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
9152 Fix PR tree-optimization/27373
9153 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
9154 (forward_propagate_addr_expr): Update call.
9156 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9158 * doc/options.texi: Move the Negative option.
9160 2006-05-16 Richard Guenther <rguenther@suse.de>
9162 PR tree-optimization/22303
9163 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
9165 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
9166 ccp_fold did not simplify the statement.
9168 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9171 * Makefile.in (GCC_OBJS): New.
9172 (OBJS-common): Add opts-common.o.
9173 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
9174 (cpp$(exeext)): Likewise.
9175 (gcc.o): Also depend on opts.h.
9176 (opts-common.o): New.
9178 * common.opt (gcoff): Add Negative(gdwarf-2).
9179 (gdwarf-2): Add Negative(gstabs).
9180 (gstabs): Add Negative(gstabs+).
9181 (gstabs+): Add Negative(gvms).
9182 (gvms): Add Negative(gxcoff).
9183 (gxcoff): Add Negative(gxcoff+).
9184 (gxcoff+): Add Negative(gcoff).
9185 * config/i386/i386.opt (m32): Add Negative(m64).
9186 (m64): Add Negative(m32).
9188 * doc/options.texi: Document the Negative option.
9190 * gcc.c: Include "opts.h".
9191 (main): Call prune_options after expandargv.
9193 * optc-gen.awk: Generate common declarations for all flag
9194 variables in options.c. Output the neg_index field.
9196 * opts.c (find_opt): Moved to ...
9197 * opts-common.c: Here. New file.
9199 * opts.h (cl_option): Add a neg_index field.
9201 (prune_options): Likewise.
9203 2006-05-16 Jakub Jelinek <jakub@redhat.com>
9206 * omp-low.c (expand_omp_parallel): Don't assert
9207 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
9208 instead search for it.
9211 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
9214 2006-05-16 Andreas Schwab <schwab@suse.de>
9216 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
9219 2006-05-15 Roger Sayle <roger@eyesopen.com>
9222 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
9223 integer constants other than zero are only legitimate on TARGET_64BIT.
9224 <CONST_VECTOR> Only zero vectors are legitimate.
9225 (ix86_cannot_force_const_mem): Integral and vector constants can
9226 always be put in the constant pool.
9228 2006-05-16 DJ Delorie <dj@redhat.com>
9230 * crtstuff.c (__dso_handle): Set section from
9231 TARGET_LBIGCC_SDATA_SECTION if defined.
9232 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
9233 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
9235 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
9238 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
9241 2006-05-16 Ben Elliston <bje@au.ibm.com>
9243 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
9245 2006-05-15 Per Bothner <per@bothner.com>
9247 * tree.c: (last_annotated_node): Use source_locus typedef.
9248 This permits bootstrapping with --enable-mapped-location.
9250 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
9252 PR tree-optimization/26830
9253 * tree-into-ssa.c (struct ssa_name_info): Add age field.
9254 (info_for_ssa_name, current_info_for_ssa_name_age,
9255 blocks_to_update): New variables.
9256 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
9257 (clear_ssa_name_info, initialize_flags_in_bb,
9258 mark_block_for_update): New functions.
9259 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
9260 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
9261 prepare_def_site_for): Use mark_block_for_update.
9262 (mark_def_interesting): Assert that the processed block is marked in
9263 blocks_to_update. Do not take blocks argument.
9264 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
9266 (rewrite_update_init_block, rewrite_update_stmt): Only process
9267 blocks with statements to rewrite.
9268 (delete_update_ssa): Do not clear SSA_NAME_AUX.
9269 (update_ssa): Initialize and free blocks_to_update. Do not
9270 clear flags on statements. Do not use blocks bitmap.
9271 * tree.h (SSA_NAME_AUX): Removed.
9272 (struct tree_ssa_name): Removed aux field.
9273 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
9275 2006-05-15 Richard Guenther <rguenther@suse.de>
9277 PR tree-optimization/27603
9278 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
9279 Do computations in original type.
9281 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
9283 * see.c: Code style changes such as redundant paranthesis,
9284 redundant intialization of local variables etc.
9285 (see_main): Declared now as static.
9286 * doc/invoke.texi: Update that -fsee is not enabled by
9289 2006-05-15 Jakub Jelinek <jakub@redhat.com>
9291 * omp-low.c (check_omp_nesting_restrictions): New function.
9292 (scan_omp_1): Call it.
9295 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
9296 construct, return *VAR.
9298 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
9300 PR rtl-optimization/27406
9301 * bt-load.c (migrate_btr_def): Skip the block having abnormal
9304 2006-05-14 Roger Sayle <roger@eyesopen.com>
9306 PR rtl-optimization/27538
9307 * combine.c (expand_compound_operation): Call gen_lowpart
9308 before calling simplify_shift_const.
9310 2006-05-14 Roger Sayle <roger@eyesopen.com>
9312 PR rtl-optimization/22563
9313 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
9314 a fixed width bitfield, always force the intermediates into psuedos.
9316 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
9319 * mkconfig.sh: Use operator = instead of == for test.
9321 2006-05-13 Nick Clifton <nickc@redhat.com>
9323 * dwarf2out.c (dbx_reg_number): Check return value from
9324 LEAF_REG_REMAP and only use it if it is valid.
9325 (multiple_reg_loc_descriptor): Likewise.
9327 2006-05-13 Richard Guenther <rguenther@suse.de>
9329 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
9332 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
9334 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
9335 information attached to non-INSNs such as NOTEs.
9336 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
9338 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
9340 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
9342 * config/s390/s390.md: Adjust comment describing On constraint.
9344 2006-05-11 Jan Hubicka <jh@suse.cz>
9346 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
9347 to be output at -O0.
9349 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9352 * fold-const.c (size_binop): Move sanity check for arguments to
9353 the beginning of the function.
9356 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
9359 2006-05-11 Richard Guenther <rguenther@suse.de>
9362 * fold-const.c (fold_unary): Handle intermediate conversion
9363 to a pointer type like intermediate conversion to an integer
9364 type in folding of (T1)(T2)var to var.
9365 Match the code to the comment in the final conversion for
9366 (T1)(T2)var to (T1)var regarding to type precision. Rather
9367 than disallow T1 being of pointer type, assert that both T1
9368 and var are of pointer type or not. Make sure not to fall
9369 over the frontends lazyness wrt array to pointer decay though.
9371 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
9373 * arm.c (arm_struct_value_rtx): Delete.
9374 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
9375 (arm_init_cumulative_args): Always initialize nregs to zero.
9377 2006-05-10 Richard Guenther <rguenther@suse.de>
9379 PR tree-optimization/27532
9380 * tree-object-size.c (plus_expr_object_size): Fix typo.
9382 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
9385 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
9386 ashrdi_const, ashrdi3): Use a scratch register.
9388 2006-05-10 Richard Guenther <rguenther@suse.de>
9390 PR tree-optimization/27302
9391 * fold-const.c (operand_equal_p): For two comparisons,
9392 try comparison of one comparison code swapped if that yields
9395 2006-05-10 Ben Elliston <bje@au.ibm.com>
9397 * tree-pretty-print.c (pretty_print_string): No need to handle
9398 '\0' as a special character.
9400 * tree.h: Include "hashtab.h".
9401 (iterative_hash_expr): Use hashval_t in its prototype.
9402 * Makefile.in (TREE_H): Add $(HASHTAB_H).
9404 2006-05-09 Steve Ellcey <sje@cup.hp.com>
9407 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
9408 (hppa*64*-*-hpux11*): Ditto.
9409 (hppa[12]*-*-hpux11*): Ditto.
9411 2006-05-09 David Edelsohn <edelsohn@gnu.org>
9414 * config/rs6000/aix41.h (TARGET_64BIT): Define.
9416 2006-05-09 Michael Matz <matz@suse.de>
9418 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
9419 host_extra_gcc_objs and host_xmake_file.
9420 (<*-*-linux*>): Don't overwrite host_xmake_file.
9421 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
9422 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
9423 (host_detect_local_cpu): Declare.
9424 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
9425 * config/i386/i386.c (override_options): Handle -mtune=native
9427 * config/i386/x-i386: New file.
9428 * config/i386/driver-i386.c: New file.
9429 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
9432 2006-05-09 Dirk Mueller <dmueller@suse.de>
9433 Richard Guenther <rguenther@suse.de>
9436 * fold-const.c (fold_read_from_constant_string): Relax check
9437 for matching types to matching modes.
9439 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
9441 PR rtl-optimization/27335
9442 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
9445 2006-05-08 Chao-ying Fu <fu@mips.com>
9446 Richard Sandiford <richard@codesourcery.com>
9448 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
9449 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
9450 * config/mips/mips.md (UNSPEC_SCC): New constant.
9451 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
9452 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
9453 (mips_emit_compare): Use it.
9454 (mips_expand_vcondv2sf): New function.
9456 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
9458 Fix PR tree-optimization/27093
9459 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
9460 renaming when they become not-used_alone.
9462 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9464 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
9465 relocation and relocation stubs.
9467 2006-05-08 Eric Christopher <echristo@apple.com>
9469 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
9472 2006-05-08 Jan Hubicka <jh@suse.cz>
9475 * cgraphunit.c (decide_is_function_needed): When not optimizing even
9476 unused static functions are needed.
9478 2006-05-08 Roger Sayle <roger@eyesopen.com>
9481 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9482 of a reg_equiv_constant if the result is a legitimate constant.
9484 2006-05-08 Uros Bizjak <uros@kss-loka.si>
9487 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
9488 standard 80387 constants, raise the cost to prevent
9489 compress_float_constant() to generate load from memory.
9491 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
9493 * config/arm/constraints.md (c): Fix a typo.
9495 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
9498 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
9501 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
9503 (_mm_mwait): Likewise.
9505 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
9507 (sse3_monitor): Make it 32bit only.
9508 (sse3_monitor64): New. 64bit monitor.
9510 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9513 * config/i386/i386.c (classify_argument): Skip fields with invalid
9516 2006-05-07 Richard Guenther <rguenther@suse.de>
9518 PR tree-optimization/27409
9519 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9520 Do not try to find zero-sized subvars.
9522 2006-05-07 Richard Guenther <rguenther@suse.de>
9524 PR tree-optimization/27136
9525 * tree-ssa-loop-niter.c (get_val_for): Correct function
9526 comment, assert requirements.
9527 (loop_niter_by_eval): Stop processing if the iterated
9528 value did not simplify.
9530 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
9532 * opts.c (flag_see): remove its setting at -O3.
9534 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
9536 * genpeep.c (main): Make insn-peep.c depend on flags.h.
9537 * arm/constraints.md: New file.
9538 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
9539 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
9540 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
9541 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
9542 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
9543 (EXTRA_MEMORY_CONSTRAINT): Likewise.
9544 * arm.md: Include constraints.md.
9545 (thumb_movsi_insn): Use satisfies_constraint_J.
9546 (movhi, movqi): Use satisfies_constraint_I.
9548 2006-04-29 Anatoly Sokolov <aesok@post.ru>
9550 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
9551 for atmeg a645 device.
9553 2006-05-06 Richard Guenther <rguenther@suse.de>
9555 PR tree-optimization/27151
9556 * tree-vect-transform.c (vectorizable_condition): Punt on
9557 values that have a different type than the condition.
9559 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
9562 * c-parser.c (c_parser_cast_expression): Only insert casts into
9563 hash table if pointer.
9564 * function.c (used_types_insert_helper): Rename from
9566 (used_types_insert): Call used_types_insert_helper.
9567 * function.h (used_types_insert): Accept only one argument.
9569 2006-05-05 David Edelsohn <edesohn@gnu.org>
9571 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
9572 scratch with output modifier.
9574 2006-05-04 David Edelsohn <edelsohn@gnu.org>
9577 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
9578 with output modifier.
9580 2006-05-04 Richard Sandiford <richard@codesourcery.com>
9583 * config/mips/mips.c (mips_symbolic_address_p): Return true
9584 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
9585 SYMBOL_GOTTPREL, and SYMBOL_TLS.
9587 2006-05-04 Richard Guenther <rguenther@suse.de>
9589 PR tree-optimization/14287
9590 PR tree-optimization/14844
9591 PR tree-optimization/19792
9592 PR tree-optimization/21608
9593 PR tree-optimization/27090
9594 * tree-ssa-pre.c (try_combine_conversion): New function.
9595 (compute_avail): After constructing the value-handle
9596 expression, use try_combine_conversion to combine NOP_EXPRs
9597 with previous value-handle expressions and use the result if it
9600 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
9602 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
9604 2006-05-04 Jan Hubicka <jh@suse.cz>
9607 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
9609 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
9611 * config/bfin/predicates.md (const01_rtx): Tell generator programs
9612 that this only matches CONST_INTs. All users changed to VOIDmode
9615 * config/bfin/bfin.c: Include "optabs.h".
9616 (bfin_rtx_costs): Some costs for vector operations, to allow combine
9618 (enum bfin_builtins): Add a number of fractional and vector builtins.
9619 (bfin_init_builtins): Likewise.
9620 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
9621 (safe_vector_operand, bfin_expand_binop_builtin,
9622 bfin_expand_unop_builtin): New functions.
9623 (bfin_expand_builtin): Handle the new builtins.
9624 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9627 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
9630 * Makefile.in (OBJS-common): Add see.o.
9631 (see.o): Add dependencies.
9632 * common.opt (fsee): New flag for the see optimization was added.
9633 * opts.c (flag_see): Initialized.
9634 * passes.c (init_optimization_passes, pass_see): New pass.
9635 * rtl.h (see_main): Declaration as extern.
9636 * timevar.def (TV_SEE): New.
9637 * tree-pass.h (pass_see): Declaration as extern.
9638 * invoke.texi (-fsee): Document.
9639 * recog.c (validate_simplify_insn): New function.
9640 * recog.h (validate_simplify_insn): Declaration as extern.
9641 * df-problems.c (df_chain_dump): Check for NULL.
9643 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
9644 Daniel Berlin <dberlin@dberlin.org>
9646 * cfgrtl.c (insert_insn_bb_end_new): New function.
9647 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
9649 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9651 * df.h (struct web_entry): Moved from web.c.
9652 (union_defs): Declaration as extern.
9653 (unionfind_root): Likewise.
9654 (unionfind_union): Likewise.
9655 * web.c (struct web_entry): Moved to df.h.
9656 (unionfind_root): Remove static declaration.
9657 (unionfind_union): Likewise.
9658 (union_defs): Likewise and generalize to use callback function.
9659 (web_main): Update arguments for union_defs function call.
9661 2006-05-04 Richard Guenther <rguenther@suse.de>
9663 PR tree-optimization/26447
9664 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
9665 produce SSA_NAME copies before the store stmt to avoid
9666 breaking exception handling.
9668 2006-05-04 Jakub Jelinek <jakub@redhat.com>
9671 * gimplify.c (omp_is_private): If var is shared in some outer context,
9672 return false instead of true. Stop searching on parallel context
9675 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
9678 * coverage.c: Use get_gcov_unsigned_t() instead of
9679 unsigned_type_node all over.
9681 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
9683 PR tree-optimization/27381
9684 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
9685 maintain the same immediate_use links.
9686 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
9687 node rather than segfaulting.
9689 2006-05-03 Jakub Jelinek <jakub@redhat.com>
9692 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
9693 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
9694 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
9696 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
9698 Fix PR tree-optimization/26626
9699 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
9701 * tree-ssa-operands.c (access_can_touch_variable): Allow
9702 typecasting through union pointers.
9704 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9707 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
9708 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
9709 to find if var will be a global variable even in the nested context.
9710 (omp_copy_decl): Only check for global variable at the end, it might
9711 be overridden in outer contexts.
9712 (scan_sharing_clauses): For global variables don't create a field.
9713 (lower_rec_input_clauses): Do nothing for global shared variables.
9714 Emit a barrier at the end of ILIST if there were any decls in both
9715 firstprivate and lastprivate clauses.
9716 (lower_send_clauses): Do nothing for global variables except for
9719 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
9721 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
9722 of the correct signedness is returned.
9724 2006-05-02 Jeff Law <law@redhat.com>
9726 PR tree-optimization/27364
9727 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
9728 multiply expressions.
9730 2006-05-02 Tom Tromey <tromey@redhat.com>
9732 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
9734 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
9737 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
9738 -mthumb -fPIC are used.
9740 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
9741 Joshua Kinard <kumba@gentoo.org>
9744 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
9745 with 64-bit pointers.
9747 2006-05-02 Paul Brook <paul@codesourcery.com>
9749 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
9751 (create_fix_barrier): Check that a suitable barrier location is
9753 (arm_reorg): Include ftmp->address in allowable range of addresses.
9755 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
9758 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
9761 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9764 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
9765 around RESULT_DECL for result passed by reference.
9766 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
9767 * omp-low.c (use_pointer_for_field): Don't look at
9768 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
9769 (scan_omp_1): Call remap_decl on RESULT_DECLs.
9770 (lower_rec_input_clauses): Don't allocate VLA memory for the second
9771 time or var for passing by reference for
9772 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
9773 TREE_ADDRESSABLE variables when passing by reference.
9775 * omp-low.c (dump_omp_region): Fix output formatting.
9778 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
9779 (expand_omp_parallel): Likewise.
9780 * tree-cfg.c (move_sese_region_to_fn): Likewise.
9783 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
9784 on statement list containing also constructors and destructors.
9785 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
9788 * except.c (duplicate_eh_regions): Fix clearing of
9789 cfun->eh->region_array entries.
9791 2006-05-01 DJ Delorie <dj@redhat.com>
9793 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
9795 (gcc_cv_objdump): Likewise.
9796 * configure: Regenerated.
9798 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
9801 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
9802 templates for case 3 and 4.
9804 2006-05-01 DJ Delorie <dj@redhat.com>
9806 * vec.c: Include bconfig.h when appropriate.
9807 * Makefile.in (build/vec.o): Adjust dependencies.
9808 * mkconfig.sh: Make sure config.h isn't used for build machine
9811 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9813 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
9815 (mark_phi_for_rewrite): New function.
9816 (insert_phi_nodes_for, mark_use_interesting): Call
9817 mark_phi_for_rewrite.
9818 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
9819 (update_ssa): Initialize and free phis_to_rewrite.
9821 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9823 PR rtl-optimization/27291
9824 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
9825 folded to a constant.
9827 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9829 PR tree-optimization/27283
9830 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
9831 not whole # of iteration descriptions.
9832 (niter_for_exit): Return just # of iterations. Fail if # of iterations
9833 uses abnormal ssa name.
9834 (niter_for_single_dom_exit): Ditto.
9835 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
9836 return just the number of iterations.
9838 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9840 PR tree-optimization/27144
9841 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
9842 (record_estimate): Only record constant upper bound.
9843 (infer_loop_bounds_from_undefined): Call
9844 compute_estimated_nb_iterations just once.
9845 (proved_non_wrapping_p): Renamed to ...
9846 (n_of_executions_at_most): ... this. Expect bound to be a constant.
9847 (convert_step_widening, scev_probably_wraps_p): Call
9848 n_of_executions_at_most instead of proved_non_wrapping_p.
9849 (substitute_in_loop_info): Do not replace values in bounds.
9850 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
9853 2006-05-01 Richard Henderson <rth@redhat.com>
9856 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
9857 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
9860 2006-05-01 Roger Sayle <roger@eyesopen.com>
9862 * c-typeck.c (parser_build_binary_op): Don't call the function
9863 unsigned_conversion_warning to spot operand/result type overflow.
9864 (build_binary_op): Instead, call convert_and_check instead of
9865 convert to report the problem when the operands are promoted.
9866 * c-common.c (unsigned_conversion_warning): Make static.
9867 * c-common.h (unsigned_conversion_warning): Delete prototype.
9869 2006-05-01 Richard Guenther <rguenther@suse.de>
9871 PR tree-optimization/26726
9872 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
9874 (find_interesting_uses_address): ... we work around here
9875 by folding INDIRECT_REFs in the substituted base.
9877 2006-05-01 Diego Novillo <dnovillo@redhat.com>
9879 * omp-low.c (dump_omp_region): Add newlines.
9881 2006-04-30 Roger Sayle <roger@eyesopen.com>
9883 * common.opt (Woverflow): New command line option.
9884 * c-common.c (constant_expression_warning): Check warn_overflow.
9885 (overflow_waring): Pass OPT_Woverflow to warning.
9886 (unsigned_conversion_warning): Likewise.
9887 (convert_and_check): Likewise.
9888 * doc/invoke.texi: Document new command line option.
9890 2006-04-30 David Edelsohn <edelsohn@gnu.org>
9892 * config/rs6000/rs6000.c (rs6000_override_options): Enable
9893 TARGET_NO_FP_IN_TOC for section anchors.
9894 (optimization_options): Enable section anchors for all
9895 non-"Objective" languages.
9897 2006-04-28 Eric Christopher <echristo@apple.com>
9899 * config/darwin-c.c (darwin_ms_struct): Move this
9900 (darwin_set_default_type_attributes): and this...
9901 * config/darwin.c: ... here.
9902 * config/darwin.h (darwin_ms_struct): Declare.
9904 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
9906 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
9908 2006-04-28 Roger Sayle <roger@eyesopen.com>
9911 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
9912 (push_array_bounds): Delete prototype. Change BOUNDS argument to
9913 an unsigned HOST_WIDE_INT.
9914 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
9916 (really_start_incremental_init): No need to call convert because
9917 bitsize_zero_node is already of type bitsizetype.
9918 (push_init_level): Extract the value of constructor_index as an
9919 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
9920 (process_init_element): Likewise.
9922 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
9924 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
9925 value before passing to make_relative_prefix.
9927 2006-04-28 Alan Modra <amodra@bigpond.net.au>
9930 * builtins.c (expand_builtin_memset): Expand val in original mode.
9932 2006-04-27 Eric Christopher <echristo@apple.com>
9934 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
9935 with #ifndef/#endif.
9936 * config/darwin-c.c (darwin_ms_struct): New.
9937 (darwin_pragma_ms_struct): Ditto.
9938 (darwin_set_default_type_attributes): Ditto.
9939 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
9940 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
9941 Register ms_struct pragma.
9942 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
9943 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
9944 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
9945 darwin_set_default_type_attributes if TARGET_MACHO.
9947 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
9949 PR tree-optimization/26854
9950 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
9951 * doc/tree-ssa.texi: Update immuse iterator documentation.
9952 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
9953 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
9954 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
9955 first_safe_imm_use, next_safe_imm_use): Remove.
9956 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
9957 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
9958 (move_use_after_head): New. Helper function to sort immuses in a stmt.
9959 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
9960 (first_imm_use_stmt): New. Get first stmt in an immuse list.
9961 (next_imm_use_stmt): New. Get next stmt in an immuse list.
9962 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
9963 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
9964 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
9965 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
9966 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
9967 (perfect_nestify): Use new iterator.
9968 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
9970 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
9971 (next_imm_name): New field in struct immediate_use_iterator_d.
9972 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
9973 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
9974 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
9975 * tree-cfg.c (replace_uses_by): Use new iterator.
9976 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
9977 * tree-ssa-operands.c (correct_use_link): Remove.
9978 (finalize_ssa_use_ops): No longer call correct_use_link.
9980 2006-04-27 Stuart Hastings <stuart@apple.com>
9982 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
9983 * config/t-darwin (crt3.o): Use it.
9984 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
9985 'pmode', use Pmode instead of SImode for SYMBOL_REF.
9986 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
9987 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
9988 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
9991 2006-04-27 Roger Sayle <roger@eyesopen.com>
9993 * expmed.c (store_fixed_bit_field): If we're not optimizing for
9994 size, force the intermediate into a new pseudo rather instead of
9995 performing both a bitwise AND and a bitwise IOR in memory.
9997 2006-04-27 Richard Guenther <rguenther@suse.de>
9999 PR rtl-optimization/26685
10000 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
10001 this one "max-flow-memory-locations".
10003 2006-04-27 Richard Guenther <rguenther@suse.de>
10005 PR tree-optimization/25148
10006 * tree-vrp.c (compare_values): Remove code dealing with
10007 comparisons against type min/max value. Honour overflow
10008 and negative constants in code dealing with comparisons
10009 of plus and minus expressions.
10010 (value_inside_range): Use fold_binary with LE_EXPR and
10011 GE_EXPR rather than compare_values.
10013 2006-04-27 Dirk Mueller <dmueller@suse.de>
10015 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
10018 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
10020 * basic-block.h (safe_insert_insn_on_edge): Removed.
10021 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
10023 2006-04-26 David Edelsohn <edelsohn@gnu.org>
10024 Paolo Bonzini <bonzini@gnu.org>
10026 PR middle-end/27282
10027 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
10028 (simplify_and_const_int): Same.
10030 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
10032 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
10034 2006-04-26 Jakub Jelinek <jakub@redhat.com>
10037 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
10038 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
10039 cgraph_global_info_ready.
10041 PR middle-end/26913
10042 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
10045 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
10046 either decl or init is error_mark_node.
10048 PR middle-end/25989
10049 * tree-flow.h (struct omp_region): Add sched_kind.
10050 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
10051 instead of extracting omp for data.
10052 (expand_omp_for): Save extracted sched_kind.
10054 2006-04-25 Roger Sayle <roger@eyesopen.com>
10056 * expmed.c (store_bit_field): Also check whether the bitsize is
10057 valid for the machine's "insv" instruction before moving the
10058 target into a pseudo for use with the insv.
10059 * config/i386/predicates.md (const8_operand): New predicate.
10060 * config/i386/i386.md (extv, extzv, insv): Use the new
10061 const8_operand predicate where appropriate.
10063 2006-04-25 DJ Delorie <dj@redhat.com>
10065 * doc/install.texi (Specific): Clarify that this is not a list of
10066 supported hosts or targets.
10068 2006-04-25 Richard Sandiford <richard@codesourcery.com>
10070 PR rtl-optimization/26725
10071 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
10072 block's BB_DIRTY flag.
10074 2006-04-25 Geoffrey Keating <geoffk@apple.com>
10076 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
10079 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
10080 to print an integer.
10082 2006-04-25 David Edelsohn <edelsohn@gnu.org>
10084 * varasm.c (align_variable): New function.
10085 (get_block_for_decl): Apply align_variable to DECL before
10086 calculating section information.
10087 (assemble_variable): Split out alignment computation.
10089 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
10091 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
10094 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
10096 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
10097 MODE_PARTIAL_INT mode.
10098 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
10099 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
10101 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
10102 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
10104 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
10106 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
10108 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
10109 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
10110 MACFLAG_IH): Likewise.
10111 (movstricthi_1): Renamed from "*movstricthi".
10112 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
10113 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
10114 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
10115 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
10116 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
10117 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
10118 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
10119 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
10120 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
10121 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
10122 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
10123 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
10124 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
10125 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
10126 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
10128 * doc/rtl.texi (ss_ashift): Improve wording.
10130 2006-04-24 Geoffrey Keating <geoffk@apple.com>
10132 * dwarf2out.c (verify_marks_clear): New.
10133 (prune_unused_types): Call verify_marks_clear initially, not
10136 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
10138 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
10139 * doc/rtl.texi: Document them.
10140 * simplify-rtx.c (simplify_unary_operation,
10141 simplify_binary_operation_1): Don't abort when we see them.
10143 2006-04-24 Mark Mitchell <mark@codesourcery.com>
10146 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10147 * configure.ac: Completely disregard languages that are not
10149 * configure: Regenerated.
10151 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10152 Richard Guenther <rguenther@suse.de>
10154 PR tree-optimization/27236
10155 * tree-inline.c (copy_body_r): Make sure to copy
10156 TREE_THIS_VOLATILE flag.
10158 2006-04-24 Richard Guenther <rguenther@suse.de>
10160 PR middle-end/26869
10161 * tree-complex.c (update_parameter_components): Don't handle
10162 unused parameters which have no default def.
10164 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10165 Richard Guenther <rguenther@suse.de>
10167 PR tree-optimization/27218
10168 * tree-inline.c (expand_call_inline): Strip useless type
10169 conversions for the return slot address.
10171 2006-04-24 Richard Guenther <rguenther@suse.de>
10173 * cfgloop.h (struct loops): Remove unused field array. Reorder
10175 (LOOP_PREFETCH): Remove.
10177 2006-04-24 Richard Guenther <rguenther@suse.de>
10179 PR tree-optimization/22525
10180 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
10181 variable, adjust types of generated expressions.
10183 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
10185 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
10186 (tree-vect-patterns.o): Likewise.
10187 (jump.o): Likewise.
10188 (cselib.o): Likewise.
10189 (loop-doloop.o): Likewise.
10190 (regclass.o): Likewise.
10191 (reload1.o): Likewise.
10192 (explow.o): Replace target.h with $(TARGET_H).
10193 (ipa-prop.o): Likewise.
10194 (ipa-cp.o): Likewise.
10195 (ipa-inline.o): Likewise.
10196 (reorg.o): Likewise.
10197 (reg-stack.o): Likewise.
10199 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10201 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
10203 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10205 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
10207 * configure.ac: Completely disregard languages that are not
10209 * configure: Regenerated.
10212 * c-common.h (c_build_bitfield_integer_type): Declare.
10213 * c-decl.c (c_build_bitfield_integer_type): Move to ...
10214 * c-common.c (c_build_bitfield_integer_type): ... here.
10216 2006-04-23 Roger Sayle <roger@eyesopen.com>
10219 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
10220 a SImode SUBREG of a floating point register after no_new_pseudos.
10222 2006-04-23 Roger Sayle <roger@eyesopen.com>
10224 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
10225 identify potentially eliminable registers to additionally catch
10226 VIRTUAL_INCOMING_ARGS_REGNUM.
10227 (addsi3): Update the conditions on when to use addsi_small_int.
10229 2006-04-23 Roger Sayle <roger@eyesopen.com>
10232 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
10233 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
10234 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
10236 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10238 * fold-const.c (range_predecessor): Use operand_equal_p
10239 as the predicate for equality.
10240 (range_successor): Likewise.
10242 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10245 * config/soft-fp/op-common.h: Fix a typo.
10247 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
10249 PR libmudflap/26864
10250 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
10251 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
10253 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10255 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
10257 * doc/tm.texi: Fix a typo.
10259 2006-04-21 Geoffrey Keating <geoffk@apple.com>
10261 * dwarf2out.c (struct die_struct): Document that die_sib makes
10262 a circular linked list.
10263 (FOR_EACH_CHILD): New.
10264 (reverse_die_lists): Delete.
10265 (reverse_all_dies): Delete.
10266 (add_dwarf_attr): Correct documentation.
10267 (remove_child_with_prev): New.
10268 (remove_child_TAG): Update for change to die_struct, use
10269 remove_child_with_prev.
10270 (add_child_die): Update for change to die_struct.
10271 (splice_child_die): Use remove_child_with_prev and add_child_die.
10272 (print_die): Use FOR_EACH_CHILD.
10273 (die_checksum): Likewise.
10274 (assign_symbol_names): Likewise.
10275 (output_location_lists): Likewise.
10276 (build_abbrev_table): Likewise.
10277 (calc_die_sizes): Likewise.
10278 (mark_dies): Likewise.
10279 (unmark_dies): Likewise.
10280 (unmark_all_dies): Likewise.
10281 (output_die): Likewise.
10282 (prune_unused_types_mark): Likewise.
10283 (prune_unused_types_walk): Likewise.
10284 (same_die_p): Update for change to die_struct.
10285 (break_out_includes): Likewise.
10286 (prune_unused_types_prune): Likewise.
10287 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
10288 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
10289 it's already clear.
10290 (dwarf2out_finish): Don't call reverse_all_dies.
10292 2006-04-21 Eric Christopher <echristo@apple.com>
10294 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
10295 in comments and function names.
10297 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10300 * c-typeck.c (digest_init): Robustify.
10302 * c-typeck.c (pop_init_level): Simplify.
10304 2006-04-21 Steve Ellcey <sje@cup.hp.com>
10306 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
10308 2006-04-21 Paul Brook <paul@codesourcery.com>
10310 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
10311 hardware floating point.
10313 2006-04-21 David Edelsohn <edelsohn@gnu.org>
10315 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
10318 2006-04-21 Nick Clifton <nickc@redhat.com>
10320 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
10323 2006-04-21 Alan Modra <amodra@bigpond.net.au>
10326 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
10327 C++ lang type in traceback table for Objective-C++.
10329 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
10331 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
10333 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
10335 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10338 * tree-mudflap.c (mudflap_finish_file): Skip function when there
10339 were errors. Remove check for erroneous objects.
10341 2006-04-20 Jeff Law <law@redhat.com>
10343 PR tree-optimization/26854
10344 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
10345 checking for zero or one use.
10346 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
10347 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
10348 * tree-ssa-reassoc.c (negate_value): Similarly.
10349 (reassociate_bb): Similarly.
10351 2006-04-20 Jakub Jelinek <jakub@redhat.com>
10353 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
10354 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
10355 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
10357 2006-04-20 Alan Modra <amodra@bigpond.net.au>
10359 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
10360 fp regs if the last fp arg doesn't fit in regs.
10362 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
10365 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
10366 that the last insn has the REG_INC note.
10368 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
10369 Nathan Sidwell <nathan@codesourcery.com>
10372 * stor-layout.c (update_alignment_for_field): Do not align
10374 (place_union_field): Place union field at the start of the union.
10375 (place_field): Move ERROR_MARK check later, and use the current
10376 allocation position to maintain monotonicity.
10378 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
10380 * dominance.c: Include timevar.h.
10381 (calculate_dominance_info): Use TV_DOMINANCE.
10382 * timevar.def (TV_DOMINANCE): New timevar.
10383 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
10385 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10387 PR rtl-optimization/14261
10388 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
10389 move would be an INSV insn.
10390 (noce_process_if_block): Don't optimize if the destination is a
10391 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
10393 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10395 * config/s390/s390.md: Add comments with the instructions emitted
10396 by an insn pattern if macros are used.
10398 2006-04-19 Alan Modra <amodra@bigpond.net.au>
10400 PR rtl-optimization/26026
10401 * fold-const.c (fold_binary): Optimize div and mod where the divisor
10402 is a known power of two shifted left a variable amount.
10404 2006-04-18 Geoffrey Keating <geoffk@apple.com>
10406 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
10407 to hash table twice when the debug_str section has SECTION_MERGE.
10409 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
10411 * config/soft-fp: New directory. From glibc.
10412 * config/soft-fp/t-softfp: New.
10413 * config/soft-fp/README: New.
10414 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
10415 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
10416 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
10417 (LIBGCC_DEPS): Add $(SFP_MACHINE).
10418 * config.gcc: Use rs6000/t-fprules-fpbit or
10419 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
10421 * config/rs6000/sfp-machine.h: New. Based on glibc.
10422 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
10424 * config/rs6000/t-fprules: Remove fp-bit rules.
10425 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
10426 * config/rs6000/t-linux64: Likewise. Remove duplicates from
10427 LIB2FUNCS_EXTRA. Remove fp-bit rules.
10428 (softfp_wrap_start, softfp_wrap_end): New.
10430 2006-04-18 DJ Delorie <dj@redhat.com>
10432 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
10434 2006-04-18 Devang Patel <dpatel@apple.com>
10436 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
10438 2006-04-18 Nick Clifton <nickc@redhat.com>
10440 * config/sh/t-symbian: Add rule to build sh-c.o
10441 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
10442 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
10443 (sh_symbian_encode_section_info): Likewise.
10445 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
10447 * builtins.c (expand_builtin_strcmp): Cover label definition of
10448 do_libcall with HAVE_cmpstrnsi.
10450 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
10452 * function.c (temp_slots_at_level, max_slot_level): Use VEC
10454 * function.h (temp_slot_p): New.
10455 (function): Change the type of x_used_temp_slots to
10456 VEC(temp_slot_p,gc) *.
10458 2006-04-18 Nick Clifton <nickc@redhat.com>
10460 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
10461 flag_strength_reduce.
10463 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
10465 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10469 Partial revert of revision 112637
10470 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10471 Dale Johannesen <dalej@apple.com>
10474 * regclass.c (struct reg_pref): Update documentation.
10475 (regclass): Set prefclass to NO_REGS if memory is the best option.
10476 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10478 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10480 PR tree-optimization/26821
10481 * tree-ssa-math-opts.c (get_constant_one): New.
10482 (insert_reciprocals): Use it.
10484 2006-04-17 Geoffrey Keating <geoffk@apple.com>
10486 * dwarf2out.c (free_AT): Delete.
10487 (remove_AT): Update string ref counts.
10488 (remove_child_TAG): Don't call free_die.
10489 (free_die): Delete.
10490 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
10491 or DW_TAG_GNU_EINCL.
10492 (prune_unused_types_walk_attribs): Reset string refcounts.
10493 (prune_unused_types_update_strings): New.
10494 (prune_unused_types_prune): Don't make unnecessary stores. Don't
10495 call free_die. Do call prune_unused_types_update_strings.
10496 (prune_unused_types): Empty debug_str_hash.
10498 2006-04-17 Roger Sayle <roger@eyesopen.com>
10500 * expr.c (expand_assignment): Optimize away no-op moves where the
10501 source and destination are equal and have no side-effects.
10503 2006-04-17 Richard Guenther <rguenther@suse.de>
10506 * reload.c (push_reload): Guard calls to get_secondary_mem
10507 for memory subregs.
10509 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
10511 * alias.c (reg_base_value, old_reg_base_value): Change the
10512 type to VEC(rtx,gc) *.
10513 (REG_BASE_VALUE, find_base_value, record_set,
10514 init_alias_analysis): Use VEC instead of VARRAY.
10516 * alias.c (alias_sets): Change the type to
10517 VEC(alias_set_entry,gc) *.
10518 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
10519 VEC instead of VARRAY.
10520 (last_alias_set): Remove.
10522 * cgraph.h (cgraph_edge_p): New.
10523 Update the prototype of cgraph_function_versioning.
10524 * cgraphunit.c (cgraph_copy_node_for_versioning,
10525 cgraph_function_versioning): Use VEC instead of VARRAY.
10526 * ipa-cp.c (ipcp_insert_stage): Likewise.
10528 2006-04-16 Roger Sayle <roger@eyesopen.com>
10531 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
10532 "A op B" or "A op C", we may need to convert A to the type of B and C.
10534 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
10536 * target.h (struct gcc_target): Add mode_rep_extended.
10537 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
10538 (init_num_sign_bit_copies_in_rep): Initialize it using
10540 (truncate_to_mode): Use it.
10541 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
10542 * targhooks.h (default_mode_rep_extended): Declare it.
10543 * targhooks.c (default_mode_rep_extended): Define it.
10544 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
10545 default_mode_rep_extended.
10546 (TARGET_INITIALIZER): Include it.
10547 * doc/tm.texi (Misc): Document it.
10548 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
10549 (mips_truncated_to_mode): New function.
10551 2006-04-16 Roger Sayle <roger@eyesopen.com>
10553 PR middle-end/25474
10554 * expr.c (compress_float_constant): Copy the narrow constant into
10555 a new pseudo before extending it to its final width.
10557 2006-04-16 Roger Sayle <roger@eyesopen.com>
10558 Andrew Pinski <pinskia@gcc.gnu.org>
10559 Dale Johannesen <dalej@apple.com>
10562 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
10563 special case code to implement V8HImode and V16QImode with SSE2.
10565 2006-04-15 Roger Sayle <roger@eyesopen.com>
10567 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
10568 trees are constructed with a suitable tree type.
10570 2006-04-15 Roger Sayle <roger@eyesopen.com>
10572 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
10573 (integer_onep): Likewise.
10574 (integer_all_onesp): Likewise.
10575 (integer_pow2p): Likewise.
10576 (integer_nonzerop): Likewise.
10577 (real_zerop): Likewise.
10578 (real_onep): Likewise.
10579 (real_twop): Likewise.
10580 (real_minus_onep): Likewise.
10581 (int_size_in_bytes): Likewise.
10582 (host_integerp): Likewise.
10584 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
10586 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
10587 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
10588 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
10590 * tree-ssa-structalias.h (alias_info): Remove num_references.
10592 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10594 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
10595 (output_bvb patterns): Likewise.
10596 * pa.c (output_bb): Use 'bb' insn for long branch case.
10597 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
10598 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
10599 1. Correct length operand for alternatives 1 and 2.
10600 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
10601 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
10603 2006-04-14 Roger Sayle <roger@eyesopen.com>
10605 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
10606 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
10607 were accidentally reverted by r112959.
10609 2006-04-15 Jakub Jelinek <jakub@redhat.com>
10611 PR middle-end/26823
10612 * except.h (eh_region_outermost): New prototype.
10613 * except.c (eh_region_outermost): New function.
10614 * tree-cfg.c (find_outermost_region_in_block): Use it.
10616 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10618 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
10620 * reload1.c (reg_equiv_memory_loc_varray): Rename to
10621 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
10622 (init_reload, reload): Use VEC instead of VARRAY.
10623 * reload.h: Update the prototype for
10624 reg_equiv_memory_loc_varray.
10626 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
10627 Eric Botcazou <ebotcazou@libertysurf.fr>
10629 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
10630 register save area.
10632 2005-04-13 Uros Bizjak <uros@kss-loka.si>
10634 PR middle-end/27134
10635 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
10636 to expand fallback builtin function call.
10638 2006-04-14 Alan Modra <amodra@bigpond.net.au>
10640 PR middle-end/27095
10641 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
10642 and emit libcall here in case the builtin fails.
10643 (expand_builtin_strcmp): Always emit the libcall here on failure.
10645 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10647 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
10648 * flow.c (reg_n_info): Change the type to
10649 VEC(reg_info_p,heap) *.
10650 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
10652 * regs.h (reg_info_p): New.
10653 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
10654 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
10655 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
10658 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
10660 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
10662 * params.h (MAX_SCHED_READY_INSNS): New macro.
10663 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
10664 past MAX_SCHED_READY_INSNS during the first scheduling pass.
10665 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
10666 the ready list for 1 cycle during the first scheduling pass.
10667 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
10669 2006-04-13 Richard Henderson <rth@redhat.com>
10672 * gimple-low.c (lower_omp_directive): Remove dead code.
10673 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
10674 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
10675 * omp-low.c (struct omp_region): Move to tree-flow.h.
10676 (root_omp_region): Export.
10677 (omp_regions, lookup_omp_region): Remove.
10678 (determine_parallel_type): Update for struct omp_region changes.
10679 (dump_omp_region): Dump regions with block numbers.
10680 (new_omp_region): Take type and block instead of stmt; malloc
10682 (free_omp_region_1, free_omp_regions): New.
10683 (expand_parallel_call): Take entry_stmt as argument; update for
10684 changes to omp_region.
10685 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
10686 (remove_exit_barriers): New.
10687 (expand_omp_parallel): Update for struct omp_region changes.
10688 (expand_omp_synch): Likewise.
10689 (expand_omp): Likewise.
10690 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
10691 (expand_omp_for_static_chunk): Likewise.
10692 (expand_omp_for): Likewise.
10693 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
10694 (expand_omp_sections): Similarly, with GOMP_sections_end.
10695 (expand_omp_single): New.
10696 (build_omp_regions_1): Update for OMP_CONTINUE.
10697 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
10698 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
10699 OMP_SECTIONS_SECTIONS.
10700 (lower_omp_single_simple): Don't emit barrier here.
10701 (lower_omp_single_copy): Likewise.
10702 (lower_omp_single): Fix bindings, and lower to straightline now.
10703 (lower_omp_master, lower_omp_ordered): Likewise.
10704 (lower_omp_critical): Likewise.
10705 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
10706 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
10707 omp edges, free it afterward.
10708 (make_omp_sections_edges): Remove.
10709 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
10710 (move_stmt_r): Handle OMP_CONTINUE.
10711 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
10712 statement pointers to basic blocks. Add type member.
10713 (root_omp_region, new_omp_region, free_omp_regions): Declare.
10714 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
10715 * tree-inline.c (estimate_num_insns_1): Likewise.
10716 * tree-pretty-print.c (dump_generic_node): Likewise.
10717 * tree-ssa-operands.c (get_expr_operands): Likewise.
10718 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
10719 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
10720 (OMP_CONTINUE): New.
10721 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
10722 (OMP_SECTIONS_SECTIONS): Remove.
10723 (OMP_SECTION_LAST): New.
10724 (OMP_RETURN_NOWAIT): New.
10726 2006-04-13 Roger Sayle <roger@eyesopen.com>
10728 * fold-const.c (native_encode_vector, native_interpret_real):
10729 Correct obvious mistakes in the previous check-in.
10731 2006-04-13 Roger Sayle <roger@eyesopen.com>
10733 * fold-const.c (native_encode_expr): New function to encode
10734 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
10735 or VECTOR_CST into a specified buffer.
10736 (native_encode_int): New function.
10737 (native_encode_real): New function.
10738 (native_encode_complex): New function.
10739 (native_encode_vector): New function.
10740 (native_interpret_expr): Inverse of native_encode_expr to convert
10741 a target representation into an INTEGER_CST, REAL_CST etc...
10742 (native_interpret_int): New function.
10743 (native_interpret_real): New function.
10744 (native_interpret_complex): New function.
10745 (native_interpret_vector): New function.
10746 (fold_view_convert_expr): New function to constant fold/evaluate
10747 a VIEW_CONVERT_EXPR of a suitable constant expression.
10748 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
10749 Change call of build1 to fold_build1 when constructing a
10752 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
10753 Ulrich Weigand <uweigand@de.ibm.com>
10756 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
10759 2006-04-13 Alan Modra <amodra@bigpond.net.au>
10762 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
10763 optimize to lo_sum for DFmode if !TARGET_FPRS.
10765 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10767 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
10768 delete_alias_info, compute_flow_sensitive_aliasing,
10769 group_aliases): Use VEC instead of VARRAY.
10770 * tree-ssa-structalias.c (update_alias_info): Likewise.
10771 * tree-ssa-structalias.h (alias_info): Change the type of
10772 processed_ptrs to VEC(tree,heap) *.
10774 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
10777 * config/sh/lib1funcs.h: New file, broken out of:
10778 * config/sh/lib1funcs.asm.
10779 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
10781 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
10782 * config/sh/lib1funcs-Os-4-200.asm: New file.
10783 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
10784 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
10785 (EXTRA_MULTILIB_PARTS): Include it.
10786 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
10787 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
10788 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
10789 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
10792 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10794 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
10795 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
10796 tpa_compact, root_var_init, type_var_init): Use VEC instead of
10798 * tree-ssa-live.h: Include vecprim.h.
10799 (tree_partition_associator_d): Change the type of
10800 first_partition to VEC(int,heap) *.
10801 (tpa_first_partition): Use VEC instead of VARRAY.
10803 * Makefile.in (GTFILES): Move functions.h after tree.h.
10804 * function.c (reset_block_changes, record_block_change,
10805 check_block_change, free_block_changes): Use VEC instead of
10807 * function.h (function): Change the type of
10808 ib_boundaries_block to VEC(tree,gc) *.
10809 * tree-inline.c (copy_cfg_body): Initialize
10810 ib_boundaries_block to NULL instead of (varray_type) 0.
10812 2006-04-12 Roger Sayle <roger@eyesopen.com>
10814 * expr.c (emit_group_store): Correct operand order in call to
10815 subreg_lowpart_offset. Always create paradoxical SUBREGs with
10816 a SUBREG_BYTE of zero.
10818 2006-04-12 Richard Guenther <rguenther@suse.de>
10820 * profile.c (compute_branch_probabilities): Remove code
10821 encapsulated in !ir_type (), which are remanents of the
10822 removed RTL profiling code.
10823 * rtl-profile.c: Remove.
10825 2006-04-12 Alan Modra <amodra@bigpond.net.au>
10827 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
10828 magic NULL_RTX comment.
10829 (function_arg): Store entire fp arg to mem if any part should go
10831 (rs6000_arg_partial_bytes): Adjust for above change.
10833 2006-04-11 Roger Sayle <roger@eyesopen.com>
10835 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
10836 if it hasn't been initialized by dwarf2out_init.
10838 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
10840 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
10841 symbolic constants in branch patterns.
10843 2006-04-11 Roger Sayle <roger@eyesopen.com>
10845 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
10847 2006-04-11 Richard Sandiford <richard@codesourcery.com>
10849 PR rtl-optimization/27073
10850 * gcse.c (try_replace_reg): Revert last change. Continue to search
10851 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
10854 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
10856 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
10857 aggregate types other than record and union types.
10858 (function_arg): Likewise.
10859 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
10861 (function_value): In 64-bit mode, return objects that require it
10864 2006-04-11 Roger Sayle <roger@eyesopen.com>
10866 * dwarf2out.c (premark_used_types): Remove problematic prototype.
10868 2006-04-11 Jakub Jelinek <jakub@redhat.com>
10870 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
10872 2006-04-03 Jeff Law <law@redhat.com>
10875 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
10876 alias information too.
10878 2006-04-10 Mike Frysinger <vapier@gentoo.org>
10880 * Makefile.in (gcc-cross): Add $(exeext) to target name.
10882 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
10885 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
10886 (premark_used_types_helper): New.
10887 (premark_used_types): New.
10888 (gen_subprogram_die): Call premark_used_types.
10889 (prune_unused_types_walk): Do not prune perennial dies.
10890 * function.c (used_types_insert): New.
10891 * function.h (struct function): Add used_types_hash field.
10892 (used_types_insert): Add prototype.
10893 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
10894 * c-parser.c (c_parser_cast_expression): Save casted types in used
10897 2006-04-11 Mark Mitchell <mark@codesourcery.com>
10900 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
10901 rs6000_explicit_options.float_gprs.
10903 2006-04-10 Roger Sayle <roger@eyesopen.com>
10905 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
10906 from ix86_expand_vector_init_low_nonzero. Take an additional
10907 one_var argument indicating which element is non-zero. Support
10908 one_var != 0 for V4SFmode and V4SImode by permuting the result.
10909 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
10910 with one_var instead of ix86_expand_vector_init_low_nonzero.
10912 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
10914 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
10915 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
10916 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
10917 build/genextract.o): Depend on vecprim.h.
10918 * cfglayout.c, df-problems.c, function.c, genextract.c,
10919 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
10920 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
10924 2006-04-10 Geoffrey Keating <geoffk@apple.com>
10926 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
10927 Declare VECs of this type.
10928 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
10929 (remove_children): Delete.
10930 (add_dwarf_attr): Use VEC routines.
10931 (add_AT_flag): Update for changes to add_dwarf_attr.
10932 (add_AT_int): Likewise.
10933 (add_AT_unsigned): Likewise.
10934 (add_AT_long_long): Likewise.
10935 (add_AT_vec): Likewise.
10936 (add_AT_string): Likewise.
10937 (add_AT_die_ref): Likewise.
10938 (add_AT_fde_ref): Likewise.
10939 (add_AT_loc): Likewise.
10940 (add_AT_loc_list): Likewise.
10941 (add_AT_addr): Likewise.
10942 (add_AT_lbl_id): Likewise.
10943 (add_AT_lineptr): Likewise.
10944 (add_AT_macptr): Likewise.
10945 (add_AT_offset): Likewise.
10946 (add_AT_range_list): Likewise.
10947 (get_AT): Use VEC_iterate.
10948 (remove_AT): Use VEC_ordered_remove.
10949 (free_die): Fold remove_children into here; have it use VEC_iterate.
10950 (print_die): Use VEC_iterate on attrs.
10951 (reverse_die_lists): Don't reverse attr lists.
10952 (die_checksum): Use VEC_iterate on attrs.
10953 (same_die_p): Likewise.
10954 (output_location_lists): Likewise.
10955 (build_abbrev_table): Likewise.
10956 (size_of_die): Likewise.
10957 (unmark_all_dies): Likewise.
10958 (output_abbrev_section): Likewise.
10959 (output_die): Likewise.
10960 (prune_unused_types_walk_attribs): Likewise.
10962 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10964 * doc/install.texi (*-*-solaris2*): Point to the configure page.
10966 2006-04-10 Jakub Jelinek <jakub@redhat.com>
10969 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
10971 2006-04-09 Roger Sayle <roger@eyesopen.com>
10973 * expr.c (store_constructor): Don't bother clearing target if
10974 we're about to assign a vector to it using vec_init_optab.
10976 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
10978 * tree-ssa-alias.c (lhs_may_store_to): New function.
10979 (recalculate_used_alone): Handle LHS of calls.
10981 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10985 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
10986 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
10987 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
10988 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
10989 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
10990 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
10991 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
10992 stubs. Add ".align 8" directives before all ".dword" directives.
10993 (GTHREAD_USE_WEAK): Revise comment.
10994 (TARGET_ATTRIBUTE_WEAK): Define.
10995 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
10996 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
10997 * stublib.c: New file.
11002 * pa.md (cbranch patterns): Revise arguments used in calls to
11003 output_cbranch, output_bb and output_bvd. Add long branch length
11005 (fbranch patterns): Handle long branches.
11006 (jump): Revise length check. Revise arguments for output_lbranch call.
11007 Add long branch length attributes.
11008 (decrement_and_branch_until_zero): Add long branch length attributes.
11009 (output_movb, output_parallel_addb and output_parallel_movb patterns):
11010 Likewise. Revise arguments for output_parallel_addb and
11011 output_parallel_movb calls.
11012 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
11013 output_parallel_movb and output_parallel_addb): Update prototypes.
11014 * pa.c (output_cbranch): Revise arguments. Correct handling of
11015 nullification in long branches.
11016 (output_lbranch): Add new argument to control extraction of delay
11018 (output_bb): Handle long branches.
11019 (output_bvb, output_dbra, output_movb, output_parallel_movb,
11020 output_parallel_addb): Likewise.
11022 2006-04-09 Richard Sandiford <richard@codesourcery.com>
11024 PR rtl-optimization/27073
11025 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
11028 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
11030 * tree.h (tree_memory_tag): Add old_used_alone.
11031 (SMT_OLD_USED_ALONE): New macro.
11032 * tree-ssa-alias.c (recalculate_used_alone): Stop
11033 marking things for renaming unnecessarily.
11035 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
11037 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
11038 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
11039 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
11040 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
11041 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
11042 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
11043 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
11044 spelling convensions.
11045 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
11046 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
11047 typos. Follow spelling conventions.
11049 2006-04-07 DJ Delorie <dj@redhat.com>
11051 * config/m32c/m32c.c (m32c_function_arg): Structures are always
11052 passed on the stack.
11053 (m32c_init_cumulative_args): When a function returns a structure,
11054 always pass the pointer to that return area on the stack.
11055 (m32c_function_arg_advance): Don't increment the parameter number
11056 if we're processing the returned structure pointer.
11057 (pushm_info): Reverse order of registers.
11059 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
11061 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
11062 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11063 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
11064 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
11065 build_int_cst_type.
11066 * tree-chrec.c (chrec_fold_multiply_poly_poly,
11067 chrec_fold_multiply): Same.
11068 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
11069 force_expr_to_var_cost): Same.
11070 * tree-mudflap.c (mf_xform_derefs_1): Same.
11071 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
11073 2006-04-07 David Edelsohn <edelsohn@gnu.org>
11075 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
11076 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
11079 2006-04-07 Jan Hubicka <jh@suse.cz>
11081 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
11083 2006-04-07 Richard Guenther <rguenther@suse.de>
11085 PR tree-optimization/26135
11086 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
11087 loads for store copy-prop.
11088 (copy_prop_visit_stmt): Likewise.
11090 2006-04-05 Robert Millan <robertmh@gnu.org>
11092 * config/i386/linux.h: Add a comment to mark macros that are
11093 being overriden in config/k*bsd-gnu.h.
11094 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
11096 * config/knetbsd-gnu.h: Ditto.
11098 2006-04-06 Jan Hubicka <jh@suse.cz>
11102 * coverage.c (coverage_checksum_string): Reorganize loop to not read
11105 2006-04-06 Mike Stump <mrs@apple.com>
11107 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
11108 for HAVE_nonlocal_goto to be consistent.
11109 (expand_builtin_nonlocal_goto): Likewise.
11110 (expand_builtin_strcmp): Use #ifdef instead of #if
11111 for HAVE_cmpstrnsi to be consistent.
11113 2006-04-05 DJ Delorie <dj@redhat.com>
11115 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
11118 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
11120 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
11121 got-relative addressing for anything but SImode.
11123 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
11124 even if the calling function doesn't modify them.
11126 2006-04-05 Richard Guenther <rguenther@suse.de>
11128 PR tree-optimization/26919
11129 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
11130 to cgraph_estimate_size_after_inlining.
11132 2006-04-05 Alan Modra <amodra@bigpond.net.au>
11134 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
11136 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
11138 PR tree-optimization/26996
11139 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
11140 VECTOR_TYPE variables.
11142 2006-04-05 Richard Guenther <rguenther@suse.de>
11144 PR tree-optimization/26763
11145 * fold-const.c (fold_comparison): Move folding of
11146 PTR + CST CMP PTR + CST ...
11147 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
11149 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
11151 * doc/install.texi (Prerequisites): Refine some wording on
11152 bootstrapping and ksh.
11153 Move the version numbers of DejaGnu here from the testing section
11154 and fix casing of names.
11155 Fix markup and clarify wording for autogen requirements.
11156 Refer to GCJ instead of just java.
11157 Refer to SVN instead of CVS.
11158 Describe diffutils as useful instead of necessary.
11159 (Downloading the source): Refer to SVN instead of CVS.
11160 Adjust a link to our web site accordingly.
11161 (Configuration): Fix casing of Bison.
11162 (Building): Refer to SVN instead of CVS.
11163 Fix a sentence on the use of Bison and remove duplicate (and
11164 incorrect) version number of Bison requirement.
11165 Remove one redundant list of packages needed for building.
11166 (Specific): Avoid reference to CVS.
11168 2006-04-04 Eric Christopher <echristo@apple.com>
11170 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
11171 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
11172 (rs6000_handle_struct_attribute): New.
11173 (rs6000_ms_bitfield_layout_p): Ditto.
11175 2006-04-04 Geoffrey Keating <geoffk@apple.com>
11177 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
11178 NULL for dso parameter to atexit_common.
11180 2006-04-04 Eric Christopher <echristo@apple.com>
11182 * config/i386/i386.c (machopic_output_stub): Output \t
11183 between instructions and operands.
11185 2006-04-04 David Edelsohn <edelsohn@gnu.org>
11187 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
11188 satisfies_constraint_[IL] to explicit tests on value.
11190 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
11192 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11193 set_nb_iterations_in_loop): Use build_int_cst instead of
11194 build_int_cst_type.
11195 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
11196 build_int_cst instead of convert.
11198 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
11200 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
11201 new value 2 for incoming.
11202 * function.c (expand_function_start): Call struct_value_rtx
11203 with incoming as 2.
11204 * config/sparc/sparc.md: Comment updated_return.
11205 * config/sparc/sparc.opt: Add -mstd-struct-return option.
11206 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
11207 struct return if sparc_std_struct_return and incoming is 2.
11208 (print_operand): Do not adjust return if
11209 sparc_std_struct_return.
11211 2006-04-04 Roger Sayle <roger@eyesopen.com>
11213 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
11214 convert in the middle-end.
11215 * expr.c (store_expr, store_constructor, get_inner_reference,
11216 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
11218 * tree.c (build_range_type): Likewise.
11220 2006-04-04 Tom Tromey <tromey@redhat.com>
11222 * doc/install.texi (Prerequisites): Mention jar.
11224 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
11226 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
11229 2006-04-04 Matthias Klose <doko@debian.org>
11231 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
11235 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
11238 2006-04-03 Geoffrey Keating <geoffk@apple.com>
11240 * doc/extend.texi (Function Attributes): Rewrite visibility
11241 attribute documentation.
11242 * doc/invoke.texi (C++ Dialect Options): Rewrite
11243 -fvisibility-inlines-hidden documentation to describe something
11244 entirely different, although in practise compatible.
11245 (Code Gen Options): Warn about system headers in -fvisibility=
11248 * doc/extend.texi (Other Builtins): Document that
11249 __builtin_nan is a compile-time constant only when its argument
11252 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
11254 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
11255 trying to remove TRUNCATE check if all bits outside the new mode
11256 are identical to the sign bit.
11258 2006-04-03 Jeff Law <law@redhat.com>
11260 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
11261 and operand scanning in some common cases.
11263 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
11264 Dale Johannesen <dalej@apple.com>
11267 * regclass.c (struct reg_pref): Update documentation.
11268 (regclass): Set prefclass to NO_REGS if memory is the best option.
11269 (record_reg_classes): Cope with a prefclass set to NO_REGS.
11270 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
11271 into account. For non-registers, equate an empty preferred
11272 reload class to a `!' in the constraint; move the if clause to
11273 do so after those that reject the insn.
11274 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
11276 (find_dummy_reload): Likewise.
11277 * doc/tm.texi (Register Classes): Document what it means
11278 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
11279 * config/i386/i386.c (ix86_preferred_reload_class): Force
11280 using SSE registers (and return NO_REGS for floating-point
11281 constants) if math is done with SSE.
11282 (ix86_preferred_output_reload_class): New.
11283 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
11284 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
11285 * config/i386/i386.md: Remove # register preferences.
11287 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11290 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11291 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
11292 the type of nb_iter.
11293 (instantiate_parameters_1): Convert the operands before calling
11294 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
11295 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
11297 2006-04-02 Roger Sayle <roger@eyesopen.com>
11299 * builtins.c (dummy_object): Use build_int_cst instead of convert.
11300 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
11301 instead of convert.
11302 * dojump.c (do_jump): Likewise.
11303 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
11304 * gimplify.c (gimple_boolify, gimplify_init_constructor,
11305 gimplify_boolean_expr): Likewise.
11306 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
11307 * varasm.c (array_size_for_constructor): Likewise.
11308 * tree-object-size.c (compute_object_offset): Likewise.
11310 2006-04-02 Roger Sayle <roger@eyesopen.com>
11312 PR middle-end/26977
11313 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
11314 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
11316 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11318 PR tree-optimization/26939
11319 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
11321 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11323 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
11324 at_stmt. Convert the type of operands before calling
11325 build_polynomial_chrec.
11326 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
11327 add_to_evolution_1.
11328 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
11329 (instantiate_parameters_1): Convert the type of operands before calling
11330 build_polynomial_chrec.
11331 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
11332 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
11333 reset_evolution_in_loop): Insert asserts to check the types of the
11335 (chrec_type): Moved...
11336 (eq_evolutions_p): Use operand_equal_p.
11337 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
11338 the types of the operands.
11339 (chrec_type): ...here.
11340 * tree-data-ref.c (create_data_ref): Convert the operands before
11341 calling chrec_replace_initial_condition.
11342 (same_access_functions, analyze_subscript_affine_affine,
11343 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
11344 (compute_subscript_distance, analyze_ziv_subscript,
11345 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
11346 analyze_miv_subscript): Convert the operands before calling
11347 chrec_fold_minus or chrec_fold_plus.
11349 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11351 * tree-data-ref.c (compute_all_dependences): Use a pointer to
11352 the dependence_relations vector.
11353 (compute_data_dependences_for_loop): Adjust call to
11354 compute_all_dependences.
11356 2006-04-01 Roger Sayle <roger@eyesopen.com>
11357 Richard Henderson <rth@redhat.com>
11359 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
11360 gimple_boolify on the condition before calling gimplify_expr.
11362 2006-03-31 Bob Wilson <bob.wilson@acm.org>
11364 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
11365 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
11366 the frame size. Update to use the new macros.
11367 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
11368 * config/xtensa/ieee754-df.S: Likewise.
11370 2006-03-31 Richard Henderson <rth@redhat.com>
11372 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
11373 (make_edges): ... here. Control fallthru creation with a local
11374 variable. Do not play with fake edges.
11375 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
11376 (make_goto_expr_edges): Don't play with fake edges. Make for_call
11379 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
11381 * dwarf2.h (DW64_CIE_ID): Define.
11382 * dwarf2out.c (DWARF_CIE_ID): Define.
11383 (output_call_frame_info): Output 0xffffffff before standard 8-byte
11384 length header. Use DWARF_CIE_ID.
11385 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
11386 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
11388 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
11390 * config/sh/linux-atomic.asm: New file.
11391 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
11393 2006-03-31 DJ Delorie <dj@redhat.com>
11395 * config/m32c/cond.md: Set condition flags properly throughout.
11396 * config/m32c/minmax.md: Likewise.
11397 * config/m32c/prologue.md: Likewise.
11398 * config/m32c/bitops.md: Likewise.
11399 * config/m32c/muldiv.md: Likewise.
11400 * config/m32c/mov.md: Likewise.
11401 * config/m32c/addsub.md: Likewise.
11402 * config/m32c/m32c.md: Likewise.
11403 * config/m32c/jump.md: Likewise.
11404 * config/m32c/shift.md: Likewise.
11406 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
11407 conditionally output the pattern for this.
11408 * config/m32c/m32c.c (flags_needed_for_conditional): New.
11409 (m32c_compare_redundant): New.
11410 (m32c_output_compare): New.
11411 * config/m32c/m32c-protos.h (m32c_output_compare): New.
11413 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
11414 dest, not src. Allow other 4-byte modes.
11416 2006-03-30 Denis Chertykov <denisc@overta.ru>
11418 * doc/md.texi: Refer to avr/constraints.md instead of
11421 2006-03-30 Roger Sayle <roger@eyesopen.com>
11423 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
11424 signed vs. unsigned comparison failures on some hosts.
11426 2006-03-31 Alan Modra <amodra@bigpond.net.au>
11429 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
11430 change to FLOAT_REGS.
11432 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
11433 (rs6000_override_options): Use it.
11434 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
11435 only for -mabi=spe/no-spe and -mabi=altivec.
11437 2006-03-30 Geoffrey Keating <geoffk@apple.com>
11439 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
11442 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
11444 * Makefile.in: Rename docdir to gcc_docdir.
11446 2006-03-30 Roger Sayle <roger@eyesopen.com>
11449 * expr.c (emit_group_store): Optimize group stores into a pseudo
11450 register by using a paradoxical subreg to initialize the destination
11451 if the first or last member of the group specifies a "low part".
11453 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11456 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
11457 * target.h (struct gcc_target.speculate_insn): Change type of the
11458 second parameter to 'int'.
11459 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
11460 the second operand of the DEPS_LIST.
11461 (copy_DEPS_LIST_list): Update reference to the second operand of the
11463 * rtl.h (alloc_DEPS_LIST): Update signature.
11464 * sched-int.h (ds_t): Change typedef to 'int'.
11465 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11467 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11469 * haifa-sched.c (try_ready): Change condition to restore
11470 non-speculative pattern of the instruction.
11471 (process_insn_depend_be_in_spec): Code to keep probability of the
11472 speculative dependence non-decreasing.
11474 2006-03-30 Jie Zhang <jie.zhang@analog.com>
11476 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
11477 (single_move_for_movmem): ... this. Also change all uses.
11478 (bfin_expand_strmov): Renamed to...
11479 (bfin_expand_movmem): ... this. Also change all uses.
11480 * config/bfin/bfin.md (movstrsi): Renamed to...
11481 (movstrsi): ...this.
11483 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
11485 PR tree-optimization/26830
11487 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
11488 (copy_prop_visit_stmt): Remove write-only variable ann.
11489 (init_copy_prop): Check variable loop depth here. Do not simulate
11490 memory-tag and virtual operand PHIs except for store copy prop.
11492 2006-03-30 Richard Guenther <rguenther@suse.de>
11494 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
11495 variants with double arguments.
11497 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11499 * genpreds.c (write_tm_constrs_h): Delete variable p.
11500 * genconditions.c (write_header): Add tm-constrs.h to included
11502 * genpeep.c (main): Add toplev.h to included headers.
11503 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
11504 (build/genpeep.o): Add toplev.h dependency.
11505 * config/rs6000/constraints.md: Add "W" constraint.
11507 2006-03-29 Roger Sayle <roger@eyesopen.com>
11509 * stor-layout.c (mode_for_size_tree): Remove restiction on type
11510 sizes by correctly testing whether the size fits a host integer.
11511 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
11512 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
11513 SImode range for the default sizetype and bitsizetype.
11515 2006-03-29 Roger Sayle <roger@eyesopen.com>
11517 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
11518 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
11519 quickly if the argument is already of the correct type.
11520 Call fold_build1 instead of build1. Tidy up blank lines.
11522 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11524 * genemit.c (main): Add tm-constrs.h to included headers.
11525 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
11526 * genpeep.c (main): Add tm-constrs.h to included headers.
11527 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
11528 (write_tm_constrs_h): this and write complete file.
11529 (write_tm_preds_h): Do not emit satisfies_constraint fns.
11530 (write_insn_preds_c): Add tm-constrs.h to included headers.
11531 (gen_constrs): New variable.
11532 (parse_option): Parse "-c".
11533 (main): Invoke write_tm_constrs_h.
11534 * genrecog.c (write_header): Add tm-constrs.h to included headers.
11535 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
11536 (object_out_file): Add tm-constrs.h dependency.
11537 (insn-emit.o): Same.
11538 (insn-output.o): Same.
11539 (insn-peep.o): Same.
11540 (insn-preds.o): Same.
11541 (insn-recog.o): Same.
11542 (tm-constsr.h): New target.
11543 (s-constrs-h): New target.
11545 * config/rs6000/constraints.md: New file.
11546 * config/rs6000/rs6000.c: Include tm-constrs.h.
11547 (num_insn_constant_wide): Convert to satisfies_constraint.
11548 (rs6000_rtx_costs): Convert to satisfies_constraint.
11549 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
11550 (CONST_OK_FOR_LETTER_P): Delete.
11551 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11552 (EXTRA_CONSTRAINT): Delete.
11553 (EXTRA_MEMORY_CONSTRAINT): Delete.
11554 (EXTRA_ADDRESS_CONSTRAINT): Delete.
11555 * config/rs6000/predicates.md: Convert to satisfies_constraint.
11556 * config/rs6000/rs6000.md: Include constraints.md. Convert to
11557 satisfies_constraint.
11559 * config/i386/i386.c: Include tm-constrs.h.
11561 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11563 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
11564 * tree-data-ref.c (find_data_references_in_loop,
11565 compute_data_dependences_for_loop): Use pointers to VEC.
11566 (analyze_all_data_dependences): Adjust calls.
11567 * tree-data-ref.h (find_data_references_in_loop,
11568 compute_data_dependences_for_loop): Adjust declarations.
11569 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
11570 compute_data_dependences_for_loop.
11572 2006-03-29 Paul Brook <paul@codesourcery.com>
11574 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
11575 (movdf_vfp): Ditto.
11577 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11579 PR tree-optimization/26859
11580 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
11582 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
11583 for the step after fold_convert.
11585 2006-03-29 Paul Brook <paul@codesourcery.com>
11587 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
11588 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
11590 2006-03-29 Paul Brook <paul@codesourcery.com>
11592 PR middle-end/23623
11593 * targhooks.c (default_narrow_bitfield): New fuction.
11594 * targhooks.h (default_narrow_bitfield): add prototype.
11595 * target.h (gcc_target): Add narrow_volatile_bitfield.
11596 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11597 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
11598 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
11599 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11601 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
11603 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
11605 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
11606 (NR_C_MODES): Add TDmode, DDmode and SDmode.
11607 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
11608 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
11609 (s390_function_arg_float): Allow SDmode and DDmode values to be
11610 passed in floating point registers.
11611 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
11612 check with SCALAR_FLOAT_MODE_P.
11613 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
11615 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11617 PR tree-optimization/25985
11618 * tree-ssa-loop-niter.c (number_of_iterations_le,
11619 number_of_iterations_ne): Make comments more precise.
11620 (number_of_iterations_cond): Add only_exit argument. Use the
11621 fact that signed variables do not overflow only when only_exit
11623 (loop_only_exit_p): New.
11624 (number_of_iterations_exit): Pass result of loop_only_exit_p to
11625 number_of_iterations_cond.
11627 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11629 PR tree-optimization/26643
11630 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
11633 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
11635 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
11636 (divsi3_i4_int): Likewise.
11638 2006-03-28 Roger Sayle <roger@eyesopen.com>
11640 * expr.c (emit_group_store): Only create a new pseudo reg if the
11641 quantity it needs to hold isn't already a suitable pseudo.
11643 2006-03-28 Jeff Law <law@redhat.com>
11645 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
11646 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
11648 2006-03-28 Roger Sayle <roger@eyesopen.com>
11650 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
11651 the equivalent ~X & Y, and the symmetry related transformations.
11652 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
11653 ~X & Y, and symmetry related transforms.
11655 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11657 Revert my 2006-03-27 patches.
11659 2006-03-28 Roger Sayle <roger@eyesopen.com>
11661 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
11662 ~(T1)X, when T1 and T2 are integer types of the same precision
11663 and (T2)X isn't an extension.
11665 2006-03-28 Jeff Law <law@redhat.com>
11667 PR tree-optimization/26796
11668 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
11669 need EH edge cleanups rather than purging them immediately.
11670 (eliminate_degenerate_phis): Handle queued EH cleanups.
11672 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
11674 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
11677 2006-03-27 Roger Sayle <roger@eyesopen.com>
11679 PR middle-end/22524
11680 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
11681 cast BIT_NOT_EXPR operand to the correct type.
11683 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
11685 * tree-loop-linear.c: Don't include varray.h.
11686 (gather_interchange_stats, try_interchange_loops,
11687 linear_transform_loops): Use VEC instead of VARRAY.
11688 * lambda-mat.c: Don't include varray.h.
11689 * tree-chrec.c: Same.
11690 * lambda-trans.c: Same.
11691 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
11692 VEC instead of VARRAY.
11693 * tree-vectorizer.h: Idem.
11694 * tree-data-ref.c (dump_data_references,
11695 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
11696 initialize_data_dependence_relation, finalize_ddr_dependent,
11697 compute_all_dependences, find_data_references_in_loop,
11698 compute_data_dependences_for_loop, analyze_all_data_dependences,
11699 free_dependence_relation, free_dependence_relations,
11700 free_data_refs): Idem.
11701 * tree-data-ref.h (data_reference_p, subscript_p): New.
11702 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
11703 VEC instead of VARRAY.
11704 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
11705 (find_data_references_in_loop, compute_data_dependences_for_loop,
11706 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
11707 dump_data_dependence_relations, free_dependence_relations,
11708 free_data_refs): Adjust declaration.
11709 (lambda_transform_legal_p): Move declaration here...
11710 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
11711 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
11712 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
11713 vect_analyze_data_refs): Use VEC instead of VARRAY.
11714 * lambda.h (lambda_transform_legal_p): ...from here.
11715 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
11716 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
11717 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
11718 tree-chrec.o): Don't depend on VARRAY_H.
11720 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11722 * rtl.def (Copyright): Update date.
11723 (DEPS_LIST): Change type of the second operand to 'int'.
11724 * target.h (Copyright): Update date.
11725 (struct gcc_target.speculate_insn): Change type of the second parameter
11727 * lists.c (Copyright): Update date.
11728 (alloc_DEPS_LIST): Change signature. Update reference to the second
11729 operand of the DEPS_LIST.
11730 (copy_DEPS_LIST_list): Update reference to the second operand of the
11732 * rtl.h (Copyright): Update date.
11733 (alloc_DEPS_LIST): Update signature.
11734 * sched-int.h (Copyright): Update date.
11735 (ds_t): Change typedef to 'int'.
11736 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11738 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11740 * haifa-sched.c (Copyright): Update date.
11741 (try_ready): Change condition to restore non-speculative pattern
11742 of the instruction.
11743 (process_insn_depend_be_in_spec): Code to keep probability of the
11744 speculative dependence non-decreasing.
11746 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
11748 * regrename.c (replace_oldest_value_addr): Initialize a variable to
11749 shut up the compiler.
11751 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
11753 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
11754 to use lib prefix for target.
11755 ($(T)libic_invalidate_array_4-200.a): Likewise.
11756 ($(T)libic_invalidate_array_4a.a): Likewise.
11758 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
11759 J"orn Rennecke <joern.rennecke@st.com>
11761 * superh.opt: New file.
11762 * sh.c (boardtype, osruntime): Remove.
11763 * superh.h (SUBTARGET_OPTIONS): Remove.
11764 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
11766 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
11767 arguments with ^ and/or [].
11769 * config.gcc (sh-*-*): Add quoting to account for quirk of
11771 Replace == with = in enable_incomplete_targets test.
11773 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
11774 with MASK_LITTLE_ENDIAN.
11776 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
11777 * config/sh/sh.opt: Added to some comments.
11778 * config/sh/superh.h: Removed some chaff.
11780 * config/sh/sh.opt: Add m4-[1234]00* options.
11781 * config/sh/sh.c (sh_handle_option): Likewise.
11782 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
11783 (ic_invalidate_array_4-100.o): New rule.
11784 ($(T)libic_invalidate_array_4-100.a): Likewise.
11785 (ic_invalidate_array_4-200.o): Likewise.
11786 ($(T)libic_invalidate_array_4-200.a): Likewise.
11787 (ic_invalidate_array_4a.o): Likewise.
11788 ($(T)libic_invalidate_array_4a.a): Likewise.
11789 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
11790 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
11792 * config/sh/crt1.asm: Merged in profiling code.
11793 * config/sh/superh.h (STARTFILE_SPEC): Override.
11794 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
11795 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
11796 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
11798 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
11799 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
11800 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
11802 * sh.opt (mpretend-cmove): New option.
11803 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
11804 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
11805 (movsicc): Add TARGET_PRETEND_CMOVE code.
11807 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
11809 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
11810 s390_class_max_nregs): New function prototypes.
11811 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
11812 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
11813 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
11814 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
11816 2006-03-26 Geoffrey Keating <geoffk@apple.com>
11818 * dwarf2out.c (add_location_or_const_value_attribute): Call
11819 tree_add_const_value_attribute if nothing else works.
11820 (reference_to_unused): New.
11821 (rtl_for_decl_init): Use reference_to_unused to decide whether
11822 to output an initializer.
11824 2006-03-27 Alan Modra <amodra@bigpond.net.au>
11827 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
11828 peephole removing spe frob_di_df_2.
11830 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
11832 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
11833 (subscript_dependence_tester_1): Declared.
11834 (print_dir_vectors, print_dist_vectors): New.
11835 (debug_data_dependence_relation): New.
11836 (dump_data_dependence_relation): Print more details.
11837 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
11838 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
11839 (save_dist_v, save_dir_v, add_outer_distances,
11840 build_classic_dist_vector_1): New.
11841 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
11842 Don't test for lambda_vector_lexico_pos.
11843 (same_access_functions, add_multivariate_self_dist,
11844 add_other_self_distances, dir_from_dist): New.
11845 (build_classic_dir_vector): Replace implementation almost identical to
11846 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
11848 (subscript_dependence_tester_1): New.
11849 (subscript_dependence_tester): Handle the lexicographically negative
11850 distance vectors by recomputing the dependence relation.
11851 (compute_affine_dependence): Remove parameter loop_nest_depth.
11852 (compute_self_dependence): Don't call compute_subscript_distance.
11853 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
11854 Add a parameter for the loop_nest.
11855 (find_loop_nest_1, find_loop_nest): New.
11856 (compute_data_dependences_for_loop): Compute the loop nest, and give
11857 up if the nest is not well formed.
11858 * tree-data-ref.h (loop_p): New.
11859 (struct data_dependence_relation): Replace size_vect field with
11860 loop_nest, a vec of loops.
11861 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
11862 (DDR_LOOP_NEST): New.
11863 (print_dir_vectors, print_dist_vectors,
11864 debug_data_dependence_relation): Declared.
11865 (index_in_loop_nest): New.
11866 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
11867 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
11870 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
11872 * simplify-rtx.c (simplify_relational_operation): Call
11873 simplify_relational_operation_1 even if mode is VOIDmode.
11875 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
11877 PR tree-optimization/26804
11878 * tree.h (DECL_CALL_CLOBBERED): New macro.
11879 (tree_decl_common): Add call_clobbered_flag.
11880 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
11881 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
11882 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
11883 (mark_non_addressable): Ditto.
11884 * tree-ssa.c (verify_call_clobbered): New function.
11885 (verify_alias_info): Use it.
11886 * tree-pass.h (pass_reset_cc_flags): New prototype.
11887 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
11888 (reset_cc_flags): New function.
11889 * passes.c (init_optimization_passes): Call reset_cc_flags after
11890 initializing referenced_vars.
11892 2006-03-25 Uros Bizjak <uros@kss-loka.si>
11893 Roger Sayle <roger@eyesopen.com>
11895 PR middle-end/26717
11896 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
11897 to 1.0 for non-real operands. Implement A / A optimization for
11900 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
11902 * config/i386/i386.c (size_cost): Correct the comment for
11903 cost of storing fp registers.
11904 (i386_cost): Likewise.
11905 (i486_cost): Likewise.
11906 (pentium_cost): Likewise.
11907 (pentiumpro_cost): Likewise.
11908 (k6_cost): Likewise.
11909 (athlon_cost): Likewise.
11910 (k8_cost): Likewise.
11911 (pentium4_cost): Likewise.
11912 (nocona_cost): Likewise.
11913 (generic64_cost): Likewise.
11914 (generic32_cost): Likewise.
11916 2006-03-24 Denis Chertykov <denisc@overta.ru>
11918 * config/avr/avr-protos.h (extra_constraint): Delete.
11919 (extra_constraint_Q): New declaration.
11920 * config/avr/constraints.md: New file.
11921 * config/avr/avr.md: Include it.
11922 (REG_X, REG_Y, REG_Z, REG_W): New constants.
11923 (TMP_REGNO, ZERO_REGNO): Likewise.
11924 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
11925 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
11926 (extra_constraint): Delete.
11927 (extra_constraint_Q): Test for memory constraint 'Q'.
11928 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
11929 (REG_CLASS_FROM_LETTER): Delete.
11930 (CONST_OK_FOR_LETTER_P): Delete.
11931 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11932 (EXTRA_CONSTRAINT): Delete.
11933 (TMP_REGNO): Delete.
11934 (ZERO_REGNO): Delete.
11936 2006-03-24 Jeff Law <law@redhat.com>
11938 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
11939 directly. Call mark_new_vars_to_rename slightly earlier.
11941 2006-03-24 Geoffrey Keating <geoffk@apple.com>
11943 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
11944 (is_cxx): Likewise.
11945 (gen_compile_unit_die): Use new language types for Objective-C and
11947 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
11948 DW_LANG_C_plus_plus.
11951 * config/t-darwin (crt3.o): Work around bug 26840.
11952 * config/darwin-crt3.c: Rewrite.
11953 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
11955 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
11957 * doc/invoke.texi: Document -femit-class-debug-always
11958 * common.opt: Add -femit-class-debug-always.
11960 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
11962 * config/s390/s390.c (s390_decompose_address): Allow SImode for
11963 index and base register.
11964 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
11965 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
11966 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
11967 REGNO_OK_FOR_INDEX_P.
11968 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
11970 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
11971 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
11972 REG_OK_FOR_BASE_P): Definitions removed.
11974 2006-03-24 Jakub Jelinek <jakub@redhat.com>
11976 PR middle-end/26611
11977 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
11978 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
11979 set yet or weren't marked as local yet.
11981 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
11983 * regrename.c (scan_rtx_address): Initialize a variable to shut up
11986 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
11988 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
11989 (rs6000_legitimate_small_data_p): Delete.
11990 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
11991 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
11992 and make static. Add forward declaration. Update uses.
11993 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
11994 of offsettable_memref_p.
11995 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
11996 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
11998 2006-03-24 Jeff Law <law@redhat.com>
12000 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
12001 around bug in immediate-use iterator.
12003 2006-03-24 Alan Modra <amodra@bigpond.net.au>
12006 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
12007 or __LITTLE_ENDIAN__.
12009 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
12011 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
12012 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
12013 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
12014 * config/sh/sh.opt (mdiv=): Amend description.
12015 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
12016 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
12017 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
12018 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
12019 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
12020 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
12021 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
12022 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
12023 TARGET_DIVIDE_CALL_FP.
12025 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12027 * haifa-sched.c (choose_ready): Fix type of the local variable.
12028 Move local variables. Add comment.
12029 (check_reg_live): Change signature. Make callable from debugger.
12030 * sched-int.h (check_reg_live): Update signature.
12031 * sched-ebb.c (check_reg_live): Update parameters.
12032 * sched-rgn.c (check_reg_live): Ditto.
12033 (region_head_or_leaf_p): Check pointer before dereferencing.
12034 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
12035 before reload on optimization levels below 1.
12037 2006-03-23 Richard Henderson <rth@redhat.com>
12039 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
12043 * config/alpha/predicates.md (local_symbolic_operand): Reject
12046 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
12049 * tree-ssa-pre.c (create_value_expr_from): Don't reject
12050 expressions which have overflowed constants.
12052 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
12054 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
12056 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
12058 * cfgloopmanip.c (create_loop_notes): Removed.
12059 * final.c (final_scan_insn): Do not handle loop notes.
12060 * jump.c (squeeze_notes): Ditto.
12061 * cfglayout.c (skip_insns_after_block,
12062 duplicate_insn_chain): Ditto.
12063 * cfgcleanup.c (rest_of_handle_jump2): Do not call
12065 * cfgloop.h (create_loop_notes): Declaration removed.
12067 2006-03-23 Richard Sandiford <richard@codesourcery.com>
12069 * varasm.c (output_constant_pool): Restore fnname and fndecl
12071 (assemble_start_function): Adjust call accordingly.
12072 (assemble_end_function): Likewise.
12074 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12077 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
12080 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
12082 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12085 * system.h (ICE_EXIT_CODE): New macro.
12086 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
12087 (diagnostic_action_after_output): Likewise.
12088 * gcc.c (fatal_ice): New function.
12089 (execute): Use it instead of fatal.
12090 (fancy_abort): Likewise.
12091 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
12093 2006-03-22 Jeff Law <law@redhat.com>
12095 * loop-unroll.c (analyze_iv_to_split_insn): Handle
12096 iv_analyze_result returning false.
12098 2006-03-22 Jie Zhang <jie.zhang@analog.com>
12100 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
12102 2006-03-22 Richard Henderson <rth@redhat.com>
12104 PR middle-end/26084
12105 * except.c (duplicate_eh_regions_0): New.
12106 (duplicate_eh_region_1): Duplicate the children of the node as
12107 well as the node itself. Link them up properly.
12108 (duplicate_eh_region_2): Merge into ...
12109 (duplicate_eh_regions): ... here. Take copy_region argument, and
12110 copy only a sub-tree if asked. Simplify copying and fixup.
12111 (eh_region_outer_p): New.
12112 * except.h (duplicate_eh_regions): Update decl.
12113 (eh_region_outer_p): Declare.
12114 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
12115 (lower_omp_master): Likewise.
12116 (lower_omp_ordered): Likewise.
12117 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
12118 (move_stmt_r): Use it to remap labels. Handle recursion vs
12119 remap_decls_p properly.
12120 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
12121 (find_outermost_region_in_block): New.
12122 (new_label_mapper): New.
12123 (move_sese_region_to_fn): Copy eh information to the new function
12125 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
12127 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
12130 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12132 * doc/md.texi (-mshared): Mention that -mshared code can be linked
12133 into shared libraries.
12135 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12137 * doc/md.texi: Refer to i386/constraints.md instead of
12138 i386/predicates.md.
12139 * config/i386/constraints.md: New file, extracted from...
12140 * config/i386/predicates.md: ...here.
12141 * config/i386/i386.md: Include constraints.md.
12143 2006-03-21 Jason Merrill <jason@redhat.com>
12145 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
12147 PR middle-end/20297
12148 * expr.c (init_block_move_fn): Force default visibility.
12149 (init_block_clear_fn): Likewise.
12150 * builtins.c (expand_builtin_fork_or_exec): Likewise.
12151 * targhooks.c (default_external_stack_protect_fail): Likewise.
12153 2006-03-21 Richard Sandiford <richard@codesourcery.com>
12155 * config/mips/predicates.md (const_call_insn_operand): Allow direct
12156 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
12157 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
12158 Use TARGET_OLDABI instead of !TARGET_NEWABI.
12159 (loadgp): Use mips_current_loadgp_style.
12160 (loadgp_noshared): New pattern.
12161 (sibcall_internal): Use MIPS_CALL.
12162 (sibcall_value_internal): Likewise.
12163 (sibcall_value_multiple_internal): Likewise.
12164 (call_internal): Likewise.
12165 (call_value_internal): Likewise.
12166 (call_value_multiple_internal): Likewise.
12167 (call_split): Use MIPS_CALL and add an 'S' constraint.
12168 (call_value_split): Likewise.
12169 (call_value_multiple_split): Likewise.
12170 * config/mips/mips.opt (-mabicalls): Tweak docstring.
12171 (-mshared): New option.
12172 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
12173 (mips_current_loadgp_style): Declare.
12174 * config/mips/mips.c (mips_classify_symbol): Avoid using
12175 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
12176 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
12177 TARGET_ABSOLUTE_ABICALLS.
12178 (override_options): Adjust comments. Improve the warning that is
12179 issued when -mabicalls and -G are used together.
12180 (mips_file_start): Remove comment.
12181 (mips_current_loadgp_style): New function.
12182 (mips_gnu_local_gp): New variable.
12183 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
12185 (mips_output_function_prologue): Use mips_current_laodgp_style.
12186 (mips_expand_prologue): Call mips_emit_loadgp before emitting
12187 the cprestore instruction.
12188 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
12189 live for TARGET_ABSOLUTE_ABICALLS.
12190 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
12191 (ASM_SPEC): Pass down -mshared and -mno-shared.
12192 (MIPS_CALL): New macro.
12193 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
12195 * doc/invoke.texi (-mabicalls): Update documentation.
12196 (-mshared): Document.
12198 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12200 * config/ia64/unwind-hpux.c: New file.
12201 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
12203 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12206 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
12208 2006-03-21 Jeff Law <law@redhat.com>
12210 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
12211 type conversions of a VR_VARYING source to a wider type.
12213 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
12215 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
12216 tm_file on Solaris 10 and later.
12217 (sparc64-*-solaris2*): Likewise.
12218 (sparc-*-solaris2*): Likewise.
12219 * config/sol26.h: Rename to config/sol2-6.h.
12220 * config/sol2-10.h: New file.
12222 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
12225 * tree-ssa-pre.c (create_component_ref_by_pieces):
12228 2006-03-21 Jakub Jelinek <jakub@redhat.com>
12231 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
12232 return it immediately.
12234 2006-03-21 Michael Matz <matz@suse.de>
12236 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
12238 (remove_arc, add_arc): Update num_out_arcs member.
12239 (set_out_arc_insns_equiv_num): Returns nothing instead of number
12241 (cache_presence): New function.
12242 (compare_states_for_equiv): New function.
12243 (state_is_differed): Don't take number of outargs, adjust callers.
12244 Use new invariant for speeding up.
12245 (init_equiv_class): Create initial classes based on sorted
12247 (partition_equiv_class): Don't track out_arcs_num.
12248 (evaluate_equiv_classes): Call cache_presence on all states and
12251 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
12253 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
12254 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
12255 (bfin_valid_reg_p): Test for pseudos explicitly and use only
12256 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
12258 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
12259 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
12260 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
12261 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
12262 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
12264 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
12265 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
12266 (REGNO_REG_CLASS): ARGP is in PREGS.
12267 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
12269 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
12270 to deal with those addresses.
12271 * addresses.h: New file.
12272 * caller-save.c: Include "addresses.h".
12273 (init_caller_save): Use new base_reg_class function.
12274 * rtl-factoring.c: Include "addresses.h".
12275 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
12276 * recog.c: Include "addresses.h".
12277 (preprocess_constraints): Use new base_reg_class function.
12278 * regrename.c: Include "addresses.h".
12279 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
12280 functions. Keep track of a new var INDEX_CODE to compute valid
12282 (replace_oldest_value_addr): Likewise.
12283 (replace_oldest_value_mem): Use base_reg_class.
12284 * reload.c: Include "addresses.h".
12285 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
12286 (find_reloads): Use new base_reg_class function.
12287 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
12288 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
12289 all callers and prototype changed.
12290 * reload1.c: Include "addresses.h".
12291 (maybe_fix_stack_asms): Use base_reg_class.
12292 * regclass.c: Include "addresses.h".
12293 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
12294 (init_reg_autoinc): Use new base_reg_class function.
12295 (record_reg_classes): Likewise.
12296 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
12297 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
12298 Use new args to compute necessary class.
12300 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
12301 regrename.o, rtl-factoring.o): Update dependencies.
12302 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
12303 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
12304 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
12305 REG_OK_FOR_INDEX_P): Delete documentation.
12307 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
12309 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
12310 from V7 to V9 for Solaris 7 and above.
12312 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
12314 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
12315 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
12316 argument pointers may not alias any other storage.
12317 * common.opt: Define option -fargument-noalias-anything.
12318 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
12319 alias semantics is specified by flag_argument_noalias > 2.
12321 2006-03-20 Jeff Law <law@redhat.com>
12323 * tree-pass.h (pass_phi_only_copy_prop): Delete.
12324 (pass_phi_only_cprop): Declare.
12325 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
12326 with phi_only_cprop
12327 * tree-ssa-dom.c (degenerate_phi_result): New function.
12328 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
12329 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
12330 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
12331 (eliminate_degenerate_phis): Likewise.
12332 (pass_phi_only_cprop): New pass descriptor.
12333 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
12334 support code. Callers updated.
12335 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
12336 (store_copy_prop): Likewise.
12337 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
12339 2006-03-20 Jason Merrill <jason@redhat.com>
12342 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
12343 (push_visibility, pop_visibility): Likewise.
12344 * c-pragma.h: Declare them.
12346 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
12348 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
12350 * config/sh/sh.c (find_regmode_weight): Change the type of the first
12351 parameter and use get_ebb_head_tail.
12352 (sh_md_init_global): Adjust uses of find_regmode_weight.
12354 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
12356 * function.h (struct function) <x_tail_recursion_reentry>:
12357 Rename to x_stack_check_probe_note.
12358 (tail_recursion_reentry): Rename to stack_check_probe_note.
12359 * function.c: Replace tail_recursion_reentry with
12360 stack_check_probe_note everywhere.
12361 (expand_function_start): Only emit a note for
12362 stack_check_probe_note with -fstack-protect.
12363 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
12365 * emit-rtl.c (remove_unnecessary_notes): Remove.
12366 (pass_remove_unnecessary_notes): Remove.
12367 * rtl.h (remove_unnecessary_notes): Remove prototype.
12368 * final.c (final_start_function): Don't call remove_unnecessary_notes.
12369 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
12370 * passes.c (pass_remove_unnecessary_notes): Don't run it.
12372 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
12375 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
12376 (valid_in_set): Handle ARRAY_REF.
12377 Change "if min_variant or VH" to asserts.
12378 (create_component_ref_by_pieces): Handle ARRAY_REF.
12379 (create_expression_by_pieces): Likewise.
12380 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
12382 2006-03-20 David Edelsohn <edelsohn@gnu.org>
12384 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
12385 is operand of switch, not str[0].
12387 2006-03-20 Alan Modra <amodra@bigpond.net.au>
12389 * config/rs6000/rs6000.c (rs6000_handle_option): Use
12390 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
12392 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12394 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
12395 end of insn_extra_address_constraint declaration.
12397 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12399 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
12400 (no-sum-in-toc): Same.
12401 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
12403 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
12404 NO_FP_IN_TOC for -fPIC instead of mask.
12406 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
12407 (BOOT_LDFLAGS): Delete.
12409 * config/rs6000/t-aix52: Same.
12411 * config/rs6000/rs6000.md (store_multiple_power): Delete.
12412 (stmsi[345678]_power): New.
12414 2006-03-17 Steve Ellcey <sje@cup.hp.com>
12416 * config/ia64/ia64.opt: Add empty line to end of file.
12418 2006-03-17 Richard Guenther <rguenther@suse.de>
12420 PR middle-end/26721
12421 * builtins.c (get_pointer_alignment): For component style references
12422 adjust alignment to the component type alignment. Make sure
12423 to adjust alignment for component access of constants.
12425 2006-03-17 David Edelsohn <edelsohn@gnu.org>
12427 * config/rs6000/rs6000.md (strlensi): Emit barrier after
12428 unconditional jump.
12430 2006-03-17 Paul Brook <paul@codesourcery.com>
12432 * doc/install.texi: Docuemnt --with-mode.
12433 * config.gcc: Add --with-mode for arm*-*-*.
12434 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
12436 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
12438 * sh.c (max_labelno_before_reorg): New variable.
12439 (sh_reorg): Initialize it.
12440 (find_barrier): Check max_labelno_before_reorg before using
12441 label_to_alignment. Take length of explicit alignment insns
12442 into account. When seeing a UNSPECV_CONST_END, return it.
12444 * sh.c (fixup_mova): Set mode of affected label to QImode.
12445 (untangle_mova): New function.
12446 (find_barrier): Use it. Check mode of label before decrementing
12448 (sh_reorg): Likewise.
12449 Set mode of all insns back to VOIDmode.
12451 * sh.c (MOVA_LABELREF): New macro.
12452 (mova_p, fixup_mova, sh_reorg): Use it.
12453 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
12454 ADDR_DIFF_VEC matches mova.
12456 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
12458 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
12459 with ATTRIBUTE_UNUSED.
12461 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
12463 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
12464 pointer, instead of assuming it is possible to derive the
12465 correct args size from a call insn.
12467 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12469 * rtl.h (CONST_INT_P): Define.
12470 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
12471 instead of GET_CODE(x) == CONST_INT.
12472 (vax_rtx_costs): Likewise.
12473 (vax_output_int_move): Likewise.
12474 (vax_output_int_add): Likewise.
12475 (legitimate_constant_address_p): Likewise.
12476 (index_term_p): Likewise.
12477 * config/vax/vax.h (PRINT_OPERAND): Likewise.
12478 * config/vax/vax.md (and<mode>3): Likewise.
12479 (ashrsi3): Likewise.
12481 (movstricthi): Likewise.
12482 (movstrictqi): Likewise.
12483 (rotrsi3): Likewise.
12484 (five unnamed insns): Likewise.
12486 2006-03-16 Geoffrey Keating <geoffk@apple.com>
12488 * doc/tm.texi (SDB and DWARF): Add extra parameter to
12489 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
12490 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
12491 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
12492 Pass to ASM_OUTPUT_DWARF_OFFSET.
12493 * dwarf2out.c (debug_frame_section): New.
12494 (output_call_frame_info): Use debug_frame_section. Pass it to
12495 dw2_asm_output_offset.
12496 (output_die): Pass appropriate section to dw2_asm_output_offset.
12497 (output_compilation_unit_header): Likewise.
12498 (output_pubnames): Likewise.
12499 (output_aranges): Likewise.
12500 (enum dw_val_class): Break dw_val_class_lbl_offset into
12501 dw_val_class_lineptr and dw_val_class_macptr.
12502 (add_AT_lbl_offset): Delete.
12503 (add_AT_lineptr): New.
12504 (add_AT_macptr): New.
12505 (AT_lbl): Expect a lineptr or macptr.
12506 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
12507 (attr_checksum): Likewise.
12508 (same_dw_val_p): Likewise.
12509 (size_of_die): Likewise.
12510 (value_format): Likewise.
12511 (output_die): Likewise.
12512 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
12514 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12515 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
12516 * config/darwin-protos.h (darwin_file_start): New.
12517 (darwin_asm_output_dwarf_offset): New.
12518 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12519 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
12521 * config/darwin.c (darwin_emit_unwind_label): Don't output label
12522 if not EH section; simplify.
12523 (darwin_file_start): New.
12524 (darwin_asm_output_dwarf_offset): New.
12525 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
12527 (DEBUG_INFO_SECTION): Likewise.
12528 (DEBUG_ABBREV_SECTION): Likewise.
12529 (DEBUG_ARANGES_SECTION): Likewise.
12530 (DEBUG_MACINFO_SECTION): Likewise.
12531 (DEBUG_LINE_SECTION): Likewise.
12532 (DEBUG_LOC_SECTION): Likewise.
12533 (DEBUG_PUBNAMES_SECTION): Likewise.
12534 (DEBUG_STR_SECTION): Likewise.
12535 (DEBUG_RANGES_SECTION): Likewise.
12536 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
12537 (ASM_OUTPUT_DWARF_OFFSET): New.
12539 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
12541 * config.gcc (tm_defines): Always add to previous value rather
12544 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12546 * config/mips/predicates.md (splittable_const_int_operand): New,
12547 split from move_operand.
12548 (splittable_symbolic_operand): New.
12549 (move_operand): Add commentary. Use splittable_const_int_operand.
12550 Inline mips_atomic_symbolic_constant_p.
12551 * config/mips/mips.md: Add combine splitters for handling moves
12552 of splittable_const_int_operands and splittable_symbolic_operands.
12553 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
12554 (mips_split_symbol): Declare.
12555 (mips_move_integer): Declare.
12556 * config/mips/mips.c (mips_split_p): Make global.
12557 (TARGET_MIN_ANCHOR_OFFSET): Override default.
12558 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12559 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12560 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
12561 (mips_offset_within_object_p): Handle block symbols.
12562 (mips_atomic_symbolic_constant_p): Delete.
12563 (mips_cannot_force_const_mem): Return false for constants that
12564 mips_legitimize_move can handle.
12565 (mips_use_blocks_for_constant_p): New function.
12566 (mips_split_symbol): Make global.
12567 (mips_move_integer): Likewise. Add a temporary register argument.
12568 (mips_legitimize_const_move): Use splittable_const_int_operand and
12569 splittable_symbolic_operand.
12570 (mips_use_anchors_for_symbol_p): New function.
12571 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
12572 (mips_split_p): Declare.
12574 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12576 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
12577 (mips*-*-linux*): Likewise.
12579 2006-03-16 Roger Sayle <roger@eyesopen.com>
12580 Daniel Speyer <dspeyer@wam.umd.edu>
12582 PR middle-end/18259
12583 * tree-dump.c (dump_real): New function.
12584 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
12585 * Makefile.in (REAL_H): New macro for dependencies on real.h.
12586 (tree-dump.o): Add $(REAL_H) to the dependencies.
12588 2006-03-16 Roger Sayle <roger@eyesopen.com>
12590 PR middle-end/21781
12591 * real.c (real_from_string): If the mantissa is zero, don't bother
12592 parsing the exponent as the result should always be zero.
12594 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
12596 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
12598 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12600 * config/ia64/ia64.c (stops_p): Added explicit initialization.
12601 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
12602 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
12603 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
12604 ia64_sched_finish_global): New static functions to implement
12605 hooks from gcc_target.sched.
12606 (spec_check_no, max_uid, pending_data_specs): New static variables.
12607 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
12608 ia64_spec_check_src_p): New static functions.
12609 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
12610 (TARGET_SCHED_ADJUST_COST): Removed.
12611 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
12612 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
12613 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12614 TARGET_SCHED_GEN_CHECK,
12615 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12616 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
12617 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
12618 Fixed to handle speculation checks.
12619 (rtx_needs_barrier): Fixed to handle speculative loads and
12621 (ia64_variable_issue): Added code to count speculative loads and their
12623 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
12625 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
12627 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
12629 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
12630 (ia64_reorg): Reset stops_p to NULL after it is freed.
12631 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
12632 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
12633 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
12635 (data_speculative, control_speculative, check_load): New attributes.
12636 (mov<mode>_advanced, mov<mode>_speculative,
12637 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
12638 zero_extend<mode>di2_speculative,
12639 zero_extend<mode>di2_speculative_advanced): New patterns for
12640 data and control speculative loads.
12641 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
12643 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
12644 New pattern for data and control speculation checks.
12645 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
12646 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
12647 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
12648 Auxiliary definitions for the patterns.
12649 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
12650 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
12652 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
12654 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
12655 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
12656 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
12657 New resource constraints.
12658 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
12660 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
12661 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
12662 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12663 msched-in-control-spec, msched-ldc, msched-control-ldc,
12664 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12665 msched-prefer-non-control-spec-insns,
12666 msched-count-spec-in-critical-path): New flags to tune speculative
12668 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
12669 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12670 msched-in-control-spec, msched-ldc, msched-control-ldc,
12671 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12672 msched-prefer-non-control-spec-insns,
12673 msched-count-spec-in-critical-path): Document new flags.
12675 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12677 * target.h (struct spec_info_def): New opaque declaration.
12678 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
12679 speculate_insn, needs_block_p, gen_check,
12680 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
12681 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
12682 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
12683 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
12684 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12685 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
12687 (TARGET_SCHED): Use new macros.
12688 * rtl.h (copy_DEPS_LIST_list): New prototype.
12689 * sched-int.h (struct sched_info): Change signature of new_ready field,
12690 adjust all initializations. New fields: add_remove_insn,
12691 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
12692 region_head_or_leaf_p.
12693 (struct spec_info_def): New structure declaration.
12694 (spec_info_t): New typedef.
12695 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
12696 recovery_block, orig_pat.
12697 (glat_start, glat_end): New variables declaraions.
12698 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
12700 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
12701 DETACH_LIFE_INFO, USE_GLAT.
12702 (enum SPEC_SCHED_FLAGS): New enumeration.
12703 (NOTE_NOTE_BB_P): New macro.
12704 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
12705 attach_life_info, debug_spec_status, check_reg_live): New functions.
12706 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
12707 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
12709 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
12710 * ddg.c (get_block_head_tail): Adjust all uses.
12711 * modulo-sched.c (get_block_head_tail): Adjust all uses.
12712 (sms_sched_info): Initialize new fields.
12713 (contributes_to_priority): Removed.
12714 * haifa-sched.c (params.h): New include.
12715 (get_block_head_tail): Adjust all uses.
12716 (ISSUE_POINTS): New macro.
12717 (glat_start, glat_end): New global variables.
12718 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
12719 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
12720 old_last_basic_block, before_recovery, current_sched_info_var,
12721 rgn_n_insns, luid): New static variables.
12722 (insn_cost1): New function. Move logic from insn_cost to here.
12723 (find_insn_reg_weight1): New function. Move logic from
12724 find_insn_reg_weight to here.
12725 (reemit_notes, move_insn, max_issue): Change signature.
12726 (move_insn1): Removed.
12727 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
12728 extend_bb): New static functions to support extension of scheduler's
12730 (generate_recovery_code, process_insn_depend_be_in_spec,
12731 begin_speculative_block, add_to_speculative_block,
12732 init_before_recovery, create_recovery_block, create_check_block_twin,
12733 fix_recovery_deps): New static functions to support
12734 generation of recovery code.
12735 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
12736 restore_bb_notes, move_block_after_check, move_succs): New static
12737 functions to support ebb scheduling.
12738 (init_glat, init_glat1, attach_life_info1, free_glat): New static
12739 functions to support handling of register live information.
12740 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
12741 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
12742 add_jump_dependencies): New static functions.
12743 (check_cfg, has_edge_p, check_sched_flags): New static functions for
12744 consistancy checking.
12745 (debug_spec_status): New function to call from debugger.
12746 (priority): Added code to handle speculation checks.
12747 (rank_for_schedule): Added code to distinguish speculative instructions.
12748 (schedule_insn): Added code to handle speculation checks.
12749 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
12750 Fixed to handle ebbs.
12751 (move_insn): Added code to handle ebb scheduling.
12752 (max_issue): Added code to use ISSUE_POINTS of instructions.
12753 (choose_ready): Added code to choose between speculative and
12754 non-speculative instructions.
12755 (schedule_block): Added code to handle ebb scheduling and scheduling of
12756 speculative instructions.
12757 (sched_init): Initialize new variables.
12758 (sched_finish): Free new variables. Print statistics.
12759 (try_ready): Added code to handle speculative instructions.
12760 * lists.c (copy_DEPS_LIST_list): New function.
12761 * sched-deps.c (extend_dependency_caches): New function. Move logic
12762 from create_dependency_caches to here.
12763 (get_dep_weak, ds_merge): Make global.
12764 * genattr.c (main): Code to output prototype for
12765 dfa_clear_single_insn_cache.
12766 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
12767 (output_dfa_clean_insn_cache_func): Code to output
12768 dfa_clear_single_insn_cache function.
12769 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
12771 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
12773 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
12774 New static variables.
12775 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
12776 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
12778 (ebb_sched_info): Initialize new fields.
12779 (get_block_head_tail): Adjust all uses.
12780 (compute_jump_reg_dependencies): Fixed to use glat_start.
12781 (schedule_ebb): Code to remove unreachable last block.
12782 (schedule_ebbs): Added code to update register live information.
12783 * sched-rgn.c (region_sched_info): Initialize new fields.
12784 (get_block_head_tail): Adjust all uses.
12785 (last_was_jump): Removed. Adjust users.
12786 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
12787 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
12788 Implement new hooks.
12789 (check_dead_notes1): New static function.
12790 (struct region): New fields: dont_calc_deps, has_real_ebb.
12791 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
12792 (BB_TO_BLOCK): Fixed to handle EBBs.
12793 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
12794 (ebb_head): New static variable.
12795 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
12796 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
12798 (compute_dom_prob_ps): New assertion.
12799 (check_live_1, update_live_1): Fixed to work with glat_start instead of
12800 global_live_at_start.
12801 (init_ready_list): New assertions.
12802 (can_schedule_ready_p): Split update code to begin_schedule_ready.
12803 (new_ready): Add support for BEGIN_CONTROL speculation.
12804 (schedule_insns): Fixed code that updates register live information
12806 (schedule_region): Fixed to handle EBBs.
12807 (init_regions): Use extend_regions and check_dead_notes1.
12808 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
12809 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
12810 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
12811 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12812 TARGET_SCHED_GEN_CHECK,
12813 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12814 TARGET_SCHED_SET_SCHED_FLAGS): Document.
12815 * doc/invoke.texi (max-sched-insn-conflict-delay,
12816 sched-spec-prob-cutoff): Document.
12818 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12820 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
12821 inter_tick, queue_index.
12822 (struct sched_info): Change signature of init_ready_list field.
12823 Adjust all initializations.
12824 (RESOLVED_DEPS): New access macro.
12825 (ready_add): Remove prototype.
12826 (try_ready): Add prototype.
12827 * sched-rgn.c (init_ready_list): Use try_ready.
12828 (schedule_region): Initialize
12829 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
12830 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
12831 (init_ready_list): Use try_ready.
12832 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
12833 * lists.c (remove_list_elem): Remove `static'.
12834 (remove_free_INSN_LIST_elem): New function.
12835 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
12836 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
12837 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
12839 (readyp): New variable.
12840 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
12841 change_queue_index, resolve_dep): New static functions.
12842 (try_ready): New function. Adjust callers in sched-rgn.c and
12843 sched-ebb.c to use it instead of ready_add.
12844 (clock_var): Move at the begining of file.
12845 (rank_for_schedule): Fix typo.
12846 (queue_insn): Add assertion. Handle QUEUE_INDEX.
12847 (ready_lastpos): Enforce assertion.
12848 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
12849 update all callers.
12850 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
12851 (schedule_insn): Rewrite to use try_ready and resolve_dep.
12852 (queue_to_ready): Use free_INSN_LIST_list.
12853 (early_queue_to_ready): Fix typo.
12854 (schedule_block): Init readyp. Move init_ready_list call after the
12855 initialization of clock_var. Fix error in rejecting insn by
12856 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
12857 that previously corrected INSN_TICKs. Add code for handling
12859 (set_priorities): Fix typo.
12860 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
12861 Clarify comment and code that keeps current_sched_info->next_tail
12864 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12866 * sched-rgn.c (extend_rgns): New static function.
12867 (find_rgns): Use it.
12868 (gather_region_statistics, print_region_statistics): New static
12870 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
12871 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
12873 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12874 Andrey Belevantsev <abel@ispras.ru>
12876 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
12877 * lists.c (unused_deps_list): New variable.
12878 (free_list): Add assertions to verify the proper distinguishing
12879 between INSN_LISTs and DEPS_LISTs.
12880 (find_list_elem, remove_list_elem, remove_list_node): New static
12882 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
12883 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
12884 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
12885 (alloc_INSN_LIST): Assert that the list we're working on is indeed
12887 (free_INSN_LIST_node): Likewise.
12888 * modulo-sched.c (current_sched_info): Initialize flags field.
12889 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
12890 * rtl.def (DEPS_LIST): Define.
12891 * rtl.h: Declare new functions from lists.c.
12892 * sched-deps.c (spec_dependency_cache): New static variable.
12893 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
12894 (add_dependence): Change return type to void. Move the logic to ...
12895 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
12896 (delete_all_dependences): Add comment about forward_dependency_cache.
12897 Handle spec_dependency_cache. Handle DEPS_LISTs.
12898 (fixup_sched_groups): Clarify the change of priority of output
12899 and anti dependencies.
12900 (sched_analyze_2): Adjust add_dependence calls to create data
12901 speculative dependence.
12902 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
12903 Adjust all callers. Handle DEPS_LISTS.
12904 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
12905 presence of speculation.
12906 (init_dependency_caches, free_dependency_caches):
12907 Handle spec_dependency_cache.
12908 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
12909 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
12910 New static functions.
12911 (add_or_update_back_dep, add_or_update_back_forw_dep,
12912 add_back_forw_dep, delete_back_forw_dep): New functions.
12913 * sched-int.h (ds_t, dw_t): New typedefs.
12914 (struct sched_info): Add new field flags.
12915 (struct haifa_insn_data): Add new bitfield has_internal_dep.
12916 Prototype new sched-deps.c functions.
12917 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
12918 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
12919 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
12920 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
12921 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
12922 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
12924 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
12926 * sched-rgn.c (current_sched_info): Initialize flags field.
12927 (schedule_insns): Initialize current_sched_info before the sched_init
12929 * sched-ebb.c (current_sched_info): Initialize flags field.
12930 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
12931 Call add_or_update_back_dep instead of add_dependence.
12932 Create control speculative dependencies.
12933 (schedule_insns): Initialize current_sched_info before the sched_init
12936 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
12938 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
12940 (sh_fallback_frame_state): Likewise.
12942 2006-03-15 Geoffrey Keating <geoffk@apple.com>
12944 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
12945 Do switch on default_use_cxa_atexit.
12946 (powerpc*-*-darwin*): Build crt2.o on powerpc.
12947 * config/darwin-crt3.o: New.
12948 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
12949 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
12950 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
12952 * config/rs6000/t-darwin: Move crt2.o building to here.
12953 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
12954 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
12957 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12959 * config/vax/vax.c (nonindexed_address_p): Change logical negation
12960 from '! xxx' to '!xxx' for coding-style conformance.
12961 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
12962 (EXTRA_CONSTRAINT): Likewise.
12963 * config/vax/vax.md (four unnamed insns): Likewise.
12965 2006-03-15 Paul Brook <paul@codesourcery.com>
12967 * config/arm/arm.c (minipool_pad): New.
12968 (add_minipool_forward_ref): Include pool alignment padding in address
12970 (push_minipool_fix): Set minipool_pad.
12971 (minipool_pad): Ditto.
12973 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12975 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
12976 instead of GET_CODE() == MEM and REG_P() instead of
12978 (print_operand_address): Likewise.
12979 (vax_address_cost): Likewise.
12980 (vax_rtx_costs): Likewise.
12981 (vax_notice_update_cc): Likewise.
12982 (vax_output_int_add): Likewise.
12983 (INDEX_REGISTER_P): Likewise.
12984 (BASE_REGISTER_P): Likewise.
12985 (nonindexed_address_p): Likewise.
12986 (vax_mode_dependent_address_p): Likewise.
12987 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
12988 (PRINT_OPERAND): Likewise.
12989 * config/vax/vax.md (ashlsi3): Likewise.
12990 (ashlsi3): Likewise.
12991 (some more unnamed insns): Likewise.
12993 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
12995 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
12996 iterator-style macro.
12997 (mark_control_dependent_edges_necessary): Update the use of
12998 EXECUTE_IF_CONTROL_DEPENDENT.
13000 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
13002 * config/sh/predicates.md (cache_address_operand): Special.
13003 (ua_address_operand): Likewise.
13005 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
13007 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
13009 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
13011 2006-03-15 Andreas Schwab <schwab@suse.de>
13013 * gensupport.c (identify_predicable_attribute): Don't free p_false
13014 when it is still in use.
13016 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
13018 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
13019 the default setting here.
13021 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
13023 * tree-pass.h (pass_cfg): Remove.
13024 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
13025 * passes.c (pass_cfg): Don't run it.
13027 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
13029 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
13030 * reg-stack.c (stack_regs_mentioned_data): Change the type to
13032 (stack_regs_mentioned): Update the uses of
13033 stack_regs_mentioned_data. Don't access the array beyond its
13035 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
13036 Don't include gt-reg-stack.h.
13038 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
13039 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
13041 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
13043 PR middle-end/26684
13044 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
13047 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13049 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
13051 2006-03-14 Richard Guenther <rguenther@suse.de>
13053 PR tree-optimization/26672
13054 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
13057 2006-03-14 Richard Guenther <rguenther@suse.de>
13059 PR tree-optimization/26667
13060 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
13061 node for the callees. Always allow inlining if it will shrink
13064 2006-03-14 Richard Guenther <rguenther@suse.de>
13066 PR middle-end/26659
13067 * builtins.c (get_pointer_alignment): Prefer alignment
13068 information from decls over that from types.
13070 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
13073 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
13075 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
13077 * config/rs6000/rs6000.opt (mdlmzb): New option.
13078 (msched-prolog, msched-epilog): Use Var not Mask.
13079 * doc/invoke.texi (-mdlmzb): Document.
13080 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
13082 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
13083 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
13085 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
13087 PR rtl-optimization/25739
13088 * bt-load.c (augment_live_range): Free tos pointer.
13090 * gensupport.c (identify_predicable_attribute): Free
13092 * gcov.c (create_file_names): Free name pointer.
13094 2006-03-13 Roger Sayle <roger@eyesopen.com>
13096 PR middle-end/26557
13097 * stmt.c (emit_case_nodes): Handle the case where the index is a
13098 CONST_INT, where the comparison mode is specified by the index type.
13100 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13102 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
13105 2006-03-13 Richard Sandiford <richard@codesourcery.com>
13107 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
13108 (*branch_fp_inverted): Likewise.
13110 2006-03-13 Jakub Jelinek <jakub@redhat.com>
13112 PR middle-end/25989
13113 * omp-low.c (expand_omp_for_generic): Mark istart0
13114 and iend0 as addressable.
13116 2006-03-13 Jie Zhang <jie.zhang@analog.com>
13118 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
13120 2006-03-13 Jeff Law <law@redhat.com>
13122 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
13123 virtual operands are interesting.
13124 (vrp_visit_stmt): Corresponding changes.
13126 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
13128 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
13130 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
13131 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
13132 * config/bfin/crti.S: Use it instead of __PIC__.
13133 * config/bfin/crtn.S: Likewise.
13135 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
13136 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
13138 Lose 'G' modifier for call operand.
13139 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
13140 recognize 'G' modifier.
13142 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
13144 PR middle-end/18859
13145 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
13146 * stmt.c (expand_case): Likewise.
13148 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13150 PR rtl-optimization/26254
13151 * loop-invariant.c (seq_insns_valid_p): New function.
13152 (move_invariant_reg): Only emit new code if it is valid.
13154 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13156 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
13158 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
13159 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
13160 (commit_one_edge_insertion): Do not look for loop notes.
13162 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13164 * jump.c (follow_jumps): Do not check for loop notes. Move check for
13165 flag_test_coverage out of loop.
13167 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13169 * final.c (shorten_branches): Remove outdated comment, and turn
13170 the if branch that guards it to continue.
13172 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13174 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
13175 * cfgloop.h (struct loop): Remove unused fields.
13177 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
13179 * doc/invoke.texi (-fdump-rtl-loop): Remove.
13180 (-dL, -fdump-rtl-loop2): Update the dump file names
13182 * doc/invoke.texi: Update dump file names.
13184 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
13186 * predict.c (estimate_probability): Remove.
13187 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
13188 * basic-block.h (estimate_probability): Remove prototype.
13189 * passes.c (finish_optimization_passes): Dump branch prediction or
13190 profiling heuristics to the .profile tree dump.
13191 (init_optimization_passes): Unqueue pass_branch_prob.
13193 * doc/invoke.texi (-fdump-rtl-bp): Remove.
13195 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13197 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
13198 * rtl.h (LABEL_NEXTREF): Remove field accessor.
13200 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
13202 * function.h (frame_offset_overflow): Declare.
13203 * function.c (frame_offset_overflow): New function.
13204 (assign_stack_local_1): Call it to detect that the offset overflows.
13205 * cfgexpand.c (alloc_stack_frame_space): Likewise.
13207 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13209 * config/sh/sh.c: Include alloc-pool.h.
13210 (label_ref_list_pool): New alloc pool.
13211 (label_ref_list_t): New type for lists of labels.
13212 (struct pool_node): Make wend a label_ref_list_t.
13213 (add_constant): Use the new type, eradicate LABEL_NEXTREF
13215 (dump_table): Likewise.
13216 (sh_reorg): Set up the alloc pool before using add_constant and
13217 dump_table, and destroy it when finishing.
13219 2006-03-11 Richard Sandiford <richard@codesourcery.com>
13221 * config/mips/mips.c: Remove redundant comment.
13223 2006-03-10 Jason Merrill <jason@redhat.com>
13226 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
13227 the target was declared 'register'.
13229 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
13231 * genpreds.c (write_insn_constraint_len): Change definition of
13232 insn_constraint_len to return size_t to match the declaration.
13234 2006-03-10 DJ Delorie <dj@redhat.com>
13236 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
13238 (m32c_expand_insv): Fix test for an AND mask.
13240 2006-03-10 Richard Guenther <rguenther@suse.de>
13242 PR middle-end/26565
13243 * builtins.c (get_pointer_alignment): Handle component
13244 references for field alignment.
13246 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13248 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
13249 when building with libgloss.
13250 (sh*elf): Implement --without-fp option.
13251 (sh64-superh-linux*): Don't multilib.
13253 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13255 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
13257 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
13259 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
13260 Set it when one of the replacement functions returned true.
13261 Return TODO_cleanup_cfg if cfgchanged is true.
13262 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
13264 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
13266 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
13267 instead of gen_lowpart.
13269 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13271 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
13273 (mips_output_order_conditional_branch): Declare.
13274 * config/mips/mips.h (MIPS_BRANCH): New macro.
13275 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
13276 for the comparison. Use gen_condjump.
13277 (mips_output_conditional_branch): Rework interface to take the
13278 asm templates for a direct branch and the inverse of a direct branch.
13279 (mips_output_order_conditional_branch): New function.
13280 (mips_builtin_branch_and_move): New function.
13281 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
13282 branch condition. Use gen_single_cc as the condition for
13283 __builtin_mips_upper_* or __builtin_mips_lower_*.
13284 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
13285 Use VOIDmode for the branch condition.
13286 * config/mips/predicates.md (order_operator): New predicate.
13287 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
13288 (branch_fp): Rename to...
13289 (*branch_fp): ...this. Remove mode from comparison operator.
13290 Use new mips_output_conditional_branch interface.
13291 (branch_fp_inverted): Rename to...
13292 (*branch_fp_inverted): ...this and update as for *branch_fp.
13293 (*branch_zero<mode>): Rename to...
13294 (*branch_order<mode>): ...this. Remove mode from comparison operator.
13295 Use mips_output_order_conditional_branch. Only accept ordered
13297 (*branch_zero<mode>_inverted): Rename to...
13298 (*branch_order<mode>_inverted): ...this and update as for
13299 *branch_order<mode>.
13300 (*branch_equality<mode>): Accept zero as the second operand to
13301 the equality operator. Use the new mips_output_conditional_branch
13303 (*branch_equality<mode>_inverted): Likewise.
13304 (condjump): New expander.
13305 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
13307 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
13308 (bc1any2t, bc1any2f): Likewise.
13309 (single_cc): New expander.
13310 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
13312 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13314 * doc/md.texi: Update documentation of MIPS constraints.
13315 * config/mips/constraints.md: New file.
13316 * config/mips/mips.md: Include it.
13317 * config/mips/mips.c (mips_char_to_class): Delete.
13318 (override_options): Don't initialize mips_char_to_class.
13319 * config/mips/mips.h (mips_char_to_class): Delete.
13320 (REG_CLASS_FROM_LETTER): Delete.
13321 (CONST_OK_FOR_LETTER_P): Delete.
13322 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13323 (EXTRA_CONSTRAINT_Y): Delete.
13324 (EXTRA_CONSTRAINT_STR): Delete.
13325 (CONSTRAINT_LEN): Delete.
13326 (EXTRA_MEMORY_CONSTRAINT): Delete.
13328 2006-03-09 Diego Novillo <dnovillo@redhat.com>
13330 * tree-cfg.c (move_block_to_fn): Remove the statements from the
13331 original fn's eh regions.
13333 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
13335 * fold-const.c (build_range_check): Make sure to use a valid type to
13336 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
13339 (range_predecessor): New static function.
13340 (range_successor): Likewise.
13341 (merge_ranges): Use them to compute predecessors and successors of
13344 2006-03-09 Roger Sayle <roger@eyesopen.com>
13346 PR middle-end/26561
13347 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
13348 X op C3, consider whether C3 overflows towards +Inf or -Inf.
13350 2006-03-08 DJ Delorie <dj@redhat.com>
13352 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
13353 (addpsi3): Expand to include memory operands. Remove
13354 reload-specific splits.
13355 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
13356 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
13357 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
13358 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
13359 (shift1_qi, shift1_hi, insv): New.
13360 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
13361 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
13362 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
13364 * config/m32c/m32c-protos.h: Update as needed.
13365 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
13366 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
13367 Fail for unrecognized R* constraints.
13368 (m32c_cannot_change_mode_class): Be more picky about pseudos.
13369 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
13370 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
13372 (m32c_init_libfuncs): New.
13373 (m32c_legitimate_address_p): Add debug wrapper.
13374 (m32c_rtx_costs): New.
13375 (m32c_address_cost): New.
13376 (conversions): Add 'B' prefix.
13377 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
13378 operands, or word regnames for QI operands. 'B' prints bit
13380 (m32c_expand_setmemhi): New.
13381 (m32c_expand_movmemhi): New.
13382 (m32c_expand_movstr): New.
13383 (m32c_expand_cmpstr): New.
13384 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
13385 (m32c_expand_neg_mulpsi3): Handle non-ints.
13386 (m32c_cmp_flg_0): New.
13387 (m32c_expand_movcc): New.
13388 (m32c_expand_insv): New.
13389 (m32c_scc_pattern): New.
13390 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
13391 a0/a1 out of SIregs.
13392 (STORE_FLAG_VALUE): New.
13393 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
13396 * config/m32c/mov.md: Make constraints more liberal.
13397 (zero_extendqihi2): Optimize r0/r1 case.
13398 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
13399 * config/m32c/predicates.md (m32c_any_operand): New.
13400 (m32c_nonimmediate_operand): New.
13401 (m32c_hl_operand): New.
13402 (m32c_r3_operand): New.
13405 (memsym_operand): New.
13406 (memimmed_operand): New.
13407 (a_qi_operand): New.
13408 (m32c_eqne_operator): New.
13409 (m32c_1bit8_operand): New.
13410 (m32c_1bit16_operand): New.
13411 (m32c_1mask8_operand): New.
13412 (m32c_1mask16_operand): New.
13413 * config/m32c/blkmov.md: New file.
13414 * config/m32c/t-m32c (MD_FILES): Add blkmov.
13416 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
13418 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
13419 unsigned to fix signed/unsigned comparison issue in
13420 DWARF2_FRAME_REG_OUT.
13421 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
13422 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
13424 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
13425 of ptr into the ENABLE_CHECKING section.
13427 2006-03-08 Jeff Law <law@redhat.com>
13429 * tree-vrp.c (infer_value_range): Only count pointer uses
13430 and dereferences if -fdelete-null-pointer-checks is enabled.
13432 * tree-vrp.c (find_assert_locations): Infer value ranges for
13433 single use pointers, but do not create ASSERT_EXPRs for them.
13434 When a non-null range is inferred for a pointer, backwards
13435 propagate that range to other equivalent pointers through the
13438 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
13441 * Makefile.in (dvi, html, install-info): Invoke the corresponding
13442 language hook targets.
13443 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
13444 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
13445 if language hook targets were missing.
13447 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
13449 * tree-ssa-opfinalize.h: Removed.
13450 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
13452 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
13453 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
13454 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
13455 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
13456 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
13457 finalize_ssa_v_must_def_ops): New.
13459 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
13461 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
13462 block as parameter.
13464 2006-03-07 Geoffrey Keating <geoffk@apple.com>
13466 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
13468 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
13469 addresses with offsets; reorganize.
13471 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
13472 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
13473 (expand_builtin_init_dwarf_reg_sizes): Likewise.
13475 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
13478 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
13480 2006-03-08 Ben Elliston <bje@au.ibm.com>
13482 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
13484 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
13487 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
13490 2006-03-07 Richard Guenther <rguenther@suse.de>
13492 PR tree-optimization/26587
13493 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
13495 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13497 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
13499 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13501 * hooks.c (hook_bool_mode_rtx_true): New function.
13502 * hooks.h (hook_bool_mode_rtx_true): Declare.
13503 * toplev.c (compile_file): Call output_shared_constant_pool.
13504 * varasm.c (shared_constant_pool): New variable.
13505 (assemble_start_function, assemble_end_function): Remove arguments
13506 from call to output_constant_pool.
13507 (create_constant_pool): New function, split out from...
13508 (init_varasm_status): ...here.
13509 (force_const_mem): Choose between the shared and per-function constant
13510 pools. Set current_function_uses_const_pool when reusing old entries
13511 as well as when creating new ones.
13512 (mark_constant): Ignore data argument.
13513 (mark_constants): Remove pool argument.
13514 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
13515 to decide whether the function uses a constant pool.
13516 (output_constant_pool_contents): New function, split out from...
13517 (output_constant_pool): ...here.
13518 (output_shared_constant_pool): New function.
13519 (init_varasm_once): Initialize shared_constant_pool.
13520 * output.h (output_constant_pool): Delete.
13521 (output_shared_constant_pool): Declare.
13522 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
13523 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
13525 2006-03-06 Nick Clifton <nickc@redhat.com>
13527 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
13528 flag_strength_reduce.
13530 2006-03-06 Ben Elliston <bje@au.ibm.com>
13532 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
13533 x86_64-*-linux* configurations.
13535 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
13536 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
13538 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13540 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
13542 * basic-block.h: Remove the extern for
13543 rediscover_loops_after_threading.
13545 * cfgloop.c (cancel_loop): Make it static.
13546 * cfgloop.h: Remove the prototype for cancel_loop.
13548 * flow.c (recompute_reg_usage): Make it static.
13549 * rtl.h: Remove the prototype for recompute_reg_usage.
13551 * function.c (use_return_register): Make it static.
13552 * function.h: Remove the prototype.
13554 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13556 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
13558 * recog.h: Remove the prototype for
13559 validate_change_maybe_volatile.
13561 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13563 * rtlanal.c (replace_reg): Remove.
13564 * rtl.h: Remove the prototype for replace_reg.
13566 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13568 * regclass.c (reg_scan_update): Remove.
13569 (reg_scan_mark_refs): Remove the last argument.
13570 * rtl.h: Remove the prototype for reg_scan_update.
13572 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13574 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
13575 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
13576 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
13577 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
13578 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
13579 loop-invariant.c, omp-low.c, opts.c, passes.c,
13580 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
13581 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
13582 tree-ssa-structalias.c, tree-ssa-threadedge.c,
13583 tree-ssa-threadupdate.c, tree-vect-patterns.c,
13584 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
13585 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
13587 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13589 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
13590 * dwarf2out.h: Remove the prototype for
13591 dwarf2out_add_library_unit_info.
13593 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13595 * tree.c (add_var_to_bind_expr): Remove.
13596 * tree.h: Remove the prototype for add_var_to_bind_expr.
13598 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13600 * regclass.c (n_non_fixed_regs): Remove.
13601 (init_reg_sets_1, globalize_reg): Remove all uses of
13603 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
13605 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13607 * rtlanal.c (insns_safe_to_move_p): Remove.
13608 * rtl.h: Remove the prototype for insns_safe_to_move_p.
13610 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13612 * expmed.c (expand_mult_add): Remove.
13613 * expr.h: Remove the prototype for expand_mult_add.
13615 2006-03-04 Jakub Jelinek <jakub@redhat.com>
13617 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
13618 and REG_SAVED_VAL_EXP constants.
13619 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
13620 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
13621 Handle regs stored by value.
13622 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
13623 (execute_cfa_program): Handle DW_CFA_val_offset,
13624 DW_CFA_val_offset_sf and DW_CFA_val_expression.
13625 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
13626 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
13627 (uw_install_context_1): Handle target regs stored by value.
13629 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
13631 * tree-sra.c (tree_sra): Return todoflags;
13632 (generate_one_element): Set TODO_update_smt_usage if needed.
13633 (pass_sra): Remove TODO_update_smt_usage.
13634 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
13636 (tree_ssa_forward_propagate_single_use_vars): Return
13637 TODO_update_smt_usage if we need to update SMT usage.
13638 (pass_forwprop): Remove TODO_update_smt_usage.
13640 2006-03-03 Diego Novillo <dnovillo@redhat.com>
13642 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
13643 (correct_use_link): Remove reference to get_stmt_operands.
13644 (update_stmt_operands): Likewise.
13645 (get_modify_expr_operands): New function factored out of
13646 parse_ssa_operands and get_expr_operands.
13647 Try to create V_MUST_DEFs for LHS by default.
13648 (get_expr_operands) <case MODIFY_EXPR>: Call
13649 get_modify_expr_operands.
13650 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
13651 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
13652 (parse_ssa_operands) <case MODIFY_EXPR>: Call
13653 get_modify_expr_operands.
13655 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
13657 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
13658 * tree-flow.h: Remove the prototype for
13659 referenced_var_lookup_if_exists.
13661 2006-03-03 Steve Ellcey <sje@cup.hp.com>
13663 PR rtl-optimization/26345
13665 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
13667 2006-03-03 Roger Sayle <roger@eyesopen.com>
13669 PR tree-optimization/26524
13670 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
13671 fold_convert to create a constant of the appropriate type.
13673 2006-03-03 Richard Sandiford <richard@codesourcery.com>
13675 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13676 SYMBOL_REF_IN_BLOCK_P.
13677 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
13678 of SYMBOL_FLAG_IN_BLOCK.
13679 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
13680 instead of SYMBOL_REF_IN_BLOCK_P.
13681 * explow.c (use_anchored_address): Likewise.
13682 * rtl.c (rtx_size): Likewise.
13683 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
13684 instead of SYMBOL_FLAG_IN_BLOCK.
13685 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13686 SYMBOL_REF_IN_BLOCK_P.
13687 (assemble_variable): Likewise.
13688 (output_constant_def_contents): Likewise.
13689 (output_constant_pool): Likewise.
13690 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
13691 instead of SYMBOL_FLAG_IN_BLOCK.
13692 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13693 SYMBOL_REF_IN_BLOCK_P.
13694 (SYMBOL_REF_BLOCK): Likewise.
13695 (SYMBOL_REF_OFFSET): Likewise.
13696 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13697 SYMBOL_REF_IN_BLOCK_P.
13698 (SYMBOL_FLAG_IN_BLOCK): Replace with...
13699 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
13700 (SYMBOL_REF_IN_BLOCK_P): Replace with...
13701 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
13703 2006-03-03 Jakub Jelinek <jakub@redhat.com>
13705 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
13707 2006-03-02 Roger Sayle <roger@eyesopen.com>
13709 * simplify-rtx.c (simplify_unary_operation): When simplifying
13710 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
13711 that we perform the right shift in the appropriate mode, and
13712 then extend or truncate the result to requested mode.
13714 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
13716 * gengtype.c (main): Handle double_int type.
13717 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
13718 * double-int.c: New file.
13719 * double-int.h: New file.
13720 * system.h: Include doubleint.h.
13721 * Makefile.in (SYSTEM_H): Include double-int.h.
13722 (double-int.o): Add.
13724 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
13727 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
13730 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13732 * tree-vrp.c (remove_range_assertions): Do not update statements
13735 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13737 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
13739 * gcse.c (rest_of_handle_gcse): Ditto.
13740 * except.c (gate_handle_eh): Ditto.
13741 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
13742 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
13744 2006-03-02 Eric Christopher <echristo@apple.com>
13746 * config/i386/i386.c (machopic_output_stub): Add indirection to
13749 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13753 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
13755 Sun Niagara specific optimizations.
13756 * config.gcc: Recognize niagara as target.
13757 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
13758 (TARGET_CPU_niagara): Define.
13759 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
13760 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
13761 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13762 (ASM_CPU_SPEC): Likewise.
13763 (PROCESSOR_NIAGARA): New enum entry.
13764 (REGISTER_MOVE_COST): Handle Niagara.
13765 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
13766 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
13767 (sparc_override_options): Recognize "niagara", set appropriate
13768 default MASK_* values for it, and align functions to 32-bytes
13769 by default just like ULTRASPARC/ULTRASPARC3.
13770 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
13771 (sparc64_initialize_trampoline): Likewise.
13772 (sparc_use_sched_lookahead): Use zero for niagara.
13773 (sparc_issue_rate): Use one for niagara.
13774 * config/sparc/niagara.md: New file.
13775 * config/sparc/sparc.md: Include it.
13776 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
13777 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
13778 when default cpu is niagara.
13779 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13780 (ASM_CPU_SPEC): Likewise.
13781 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
13782 when default cpu is niagara.
13783 (ASM_CPU_SPEC): Handle -mcpu=niagara.
13784 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
13785 just like v9/ultrasparc/ultrasparc3.
13786 * doc/invoke.texi: Add documentation for "niagara" and improve
13787 existing documentation for ultrasparc variants.
13789 2006-03-02 Diego Novillo <dnovillo@redhat.com>
13791 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
13793 2006-03-02 Richard Sandiford <richard@codesourcery.com>
13795 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
13796 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
13797 and say that only one is needed.
13798 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
13799 * target.h (have_switchable_bss_sections): New hook.
13800 * explow.c (use_anchored_address): Check that the symbol is in a block.
13801 * varasm.c (tls_comm_section, comm_section, lcomm_section)
13802 (bss_noswitch_section): New variables.
13803 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
13804 (get_noswitch_section): New function.
13805 (get_block_for_section): Allow SECT to be null.
13806 (unlikely_text_section_p): Use SECTION_STYLE.
13807 (bss_initializer_p): New function.
13808 (get_variable_section): Move earlier in file. Take a new argument,
13809 prefer_noswitch_p. Move bss checks from assemble_variable to here.
13810 Return one of the new *_sections in such cases.
13811 (get_block_for_decl): New function, extracting some logic from
13812 use_blocks_for_decl_p.
13813 (change_symbol_section): Remove in favor of...
13814 (change_symbol_block): ...this new function.
13815 (use_blocks_for_decl_p): Remove checks now performed by
13816 get_block_for_decl.
13817 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
13818 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
13819 (emit_local, emit_bss, emit_common): ...these new functions.
13820 Return true if the alignment was honored.
13821 (emit_tls_common): New function.
13822 (asm_emit_uninitialised): Delete.
13823 (assemble_variable_noswitch): New function, split out from...
13824 (assemble_variable): ...here. Don't make decisions about common
13825 variables here. Globalize all public decls that go into non-common
13826 sections. Check whether SYMBOL_REF_BLOCK is null.
13827 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
13828 (output_constant_pool): Likewise.
13829 (init_varasm_once): Initialize the new section variables.
13830 (have_global_bss_p): New function.
13831 (categorize_decl_for_section): Use bss_initializer_p.
13832 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
13833 (place_block_symbol): Assert that the symbol must be in a block.
13834 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
13835 (TARGET_INITIALIZER): Include it.
13836 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
13837 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
13838 (SECTION_MACH_DEP): Bump by two.
13839 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
13840 (unnamed_section): Mention SECTION_UNNAMED in comment.
13841 (named_section): Likewise SECTION_NAMED.
13842 (noswitch_section_callback): New type.
13843 (noswitch_section): New structure.
13844 (section): Add a noswitch_section alternative.
13845 (SECTION_STYLE): New macro.
13846 (tls_comm_section, comm_section, lcomm_section): Declare.
13847 (bss_noswitch_section, have_global_bss_p): Declare.
13848 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13849 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13851 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13852 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13855 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
13857 * tree-vrp.c (execute_vrp): Return value.
13858 * regrename.c (rest_of_handle_regrename): Ditto.
13859 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
13860 * tree-complex.c (tree_lower_complex): Ditto.
13861 (tree_lower_complex_O0): Ditto.
13862 * tracer.c (rest_of_handle_tracer): Ditto.
13863 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
13864 * postreload.c (rest_of_handle_postreload): Ditto.
13865 * tree-tailcall.c (execute_tail_recursion): Ditto.
13866 (execute_tail_calls): Ditto.
13867 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13868 * tree.h (init_function_for_compilation): Ditto.
13869 * ipa-cp.c (ipcp_driver): Ditto.
13870 * tree-scalar-evolution.c (scev_const_prop): Ditto.
13871 * tree-scalar-evolution.h (scev_const_prop): Ditto.
13872 * final.c (compute_alignments): Ditto.
13873 (rest_of_handle_final): Ditto.
13874 (rest_of_handle_shorten_branches): Ditto.
13875 (rest_of_clean_state): Ditto.
13876 * omp-low.c (execute_expand_omp): Ditto.
13877 (execute_lower_omp): Ditto.
13878 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
13879 * ipa-reference.c (static_execute): Ditto.
13880 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
13881 * reorg.c (rest_of_handle_delay_slots): Ditto.
13882 (rest_of_handle_machine_reorg): Ditto.
13883 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
13884 * flow.c (recompute_reg_usage): Ditto.
13885 (rest_of_handle_remove_death_notes): Ditto.
13886 (rest_of_handle_life): Ditto.
13887 (rest_of_handle_flow2): Ditto.
13888 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
13889 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
13890 (do_ssa_store_ccp): Ditto.
13891 (execute_fold_all_builtins): Ditto.
13892 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
13893 * modulo-sched.c (rest_of_handle_sms): Ditto.
13894 * ipa-pure-const.c (static_execute): Ditto.
13895 * cse.c (rest_of_handle_cse): Ditto.
13896 (rest_of_handle_cse2): Ditto.
13897 * web.c (rest_of_handle_web): Ditto.
13898 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
13899 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
13900 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
13901 * tree-nrv.c (tree_nrv): Ditto.
13902 (execute_return_slot_opt): Ditto.
13903 * tree-ssa-alias.c (compute_may_aliases): Ditto.
13904 (create_structure_vars): Ditto.
13905 * loop-init.c (rtl_loop_init): Ditto.
13906 (rtl_loop_done): Ditto.
13907 (rtl_move_loop_invariants): Ditto.
13908 (rtl_unswitch): Ditto.
13909 (rtl_unroll_and_peel_loops): Ditto.
13910 (rtl_doloop): Ditto.
13911 * gimple-low.c (lower_function_body): Ditto.
13912 (mark_used_blocks): Ditto.
13913 * tree-ssa-sink.c (execute_sink_code): Ditto.
13914 * ipa-inline.c (cgraph_decide_inlining): Ditto.
13915 (cgraph_early_inlining): Ditto.
13916 * global.c (rest_of_handle_global_alloc): Ditto.
13917 * jump.c (cleanup_barriers): Ditto.
13918 (purge_line_number_notes): Ditto.
13919 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
13920 (rest_of_handle_if_after_reload): Ditto.
13921 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
13922 (tree_ssa_loop_im): Ditto.
13923 (tree_ssa_loop_unswitch): Ditto.
13924 (tree_vectorize): Ditto.
13925 (tree_linear_transform): Ditto.
13926 (tree_ssa_loop_ivcanon): Ditto.
13927 (tree_ssa_empty_loop): Ditto.
13928 (tree_ssa_loop_bounds): Ditto.
13929 (tree_complete_unroll): Ditto.
13930 (tree_ssa_loop_prefetch): Ditto.
13931 (tree_ssa_loop_ivopts): Ditto.
13932 (tree_ssa_loop_done): Ditto.
13933 * predict.c (tree_estimate_probability): Ditto.
13934 * recog.c (split_all_insns_noflow): Ditto.
13935 (rest_of_handle_peephole2): Ditto.
13936 (rest_of_handle_split_all_insns): Ditto.
13937 * tree-eh.c (lower_eh_constructs): Ditto.
13938 * regmove.c (rest_of_handle_regmove): Ditto.
13939 (rest_of_handle_stack_adjustments): Ditto.
13940 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
13941 * function.c (instantiate_virtual_regs): Ditto.
13942 (init_function_for_compilation): Ditto.
13943 (rest_of_handle_check_leaf_regs): Ditto.
13944 * gcse.c (rest_of_handle_jump_bypass): Ditto.
13945 (rest_of_handle_gcse): Ditto.
13946 * ipa-type-escape.c (type_escape_execute): Ditto.
13947 * alias.c (rest_of_handle_cfg): Ditto.
13948 * tree-if-conv.c (main_tree_if_conversion): Ditto.
13949 * profile.c (rest_of_handle_branch_prob): Ditto.
13950 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
13951 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
13952 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
13953 * tree-dfa.c (find_referenced_vars): Ditto.
13954 * except.c (set_nothrow_function_flags): Ditto.
13955 (convert_to_eh_region_ranges): Ditto.
13956 (rest_of_handle_eh): Ditto.
13957 * emit-rtl.c (unshare_all_rtl): Ditto.
13958 (remove_unnecessary_notes): Ditto.
13959 * except.h (set_nothrow_function_flags): Ditto.
13960 (convert_to_eh_region_ranges): Ditto.
13961 * cfgexpand.c (tree_expand_cfg): Ditto.
13962 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
13963 * tree-ssa-pre.c (do_pre): Ditto.
13964 (execute_fre): Ditto.
13965 * cfgcleanup.c (rest_of_handle_jump): Ditto.
13966 (rest_of_handle_jump2): Ditto.
13967 * tree-sra.c (tree_sra): Ditto.
13968 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
13969 (execute_mudflap_function_decls): Ditto.
13970 * tree-ssa-copy.c (do_copy_prop): Ditto.
13971 (do_store_copy_prop): Ditto.
13972 * ipa-prop.h (ipcp_driver): Ditto.
13973 * cfglayout.c (insn_locators_initialize): Ditto.
13974 * tree-ssa-forwprop.c
13975 (tree_ssa_forward_propagate_single_use_vars): Ditto.
13976 * cfglayout.h (insn_locators_initialize): Ditto.
13977 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
13978 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
13979 (execute_late_warn_uninitialized): Ditto.
13980 * rtl.h (cleanup_barriers): Ditto.
13981 (split_all_insns_noflow): Ditto.
13982 (purge_line_number_notes): Ditto.
13983 (unshare_all_rtl): Ditto.
13984 (remove_unnecessary_notes): Ditto.
13985 (recompute_reg_usage): Ditto.
13986 (variable_tracking_main): Ditto.
13987 * integrate.c (emit_initial_value_sets): Ditto.
13988 * integrate.h (emit_initial_value_sets): Ditto.
13989 * tree-optimize.c (execute_free_datastructures): Ditto
13990 (execute_free_cfg_annotations): Ditto.
13991 (execute_fixup_cfg): Ditto.
13992 (execute_cleanup_cfg_pre_ipa): Ditto.
13993 (execute_cleanup_cfg_post_optimizing): Ditto.
13994 (execute_init_datastructures): Ditto.
13995 * tree-object-size.c (compute_object_sizes): Ditto.
13996 * combine.c (rest_of_handle_combine): Ditto.
13997 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
13998 * bb-reorder.c (duplicate_computed_gotos): Ditto.
13999 (rest_of_handle_reorder_blocks): Ditto.
14000 (rest_of_handle_partition_blocks): Ditto.
14001 * var-tracking.c (variable_tracking_main): Ditto.
14002 * tree-profile.c (tree_profiling): Ditto.
14003 * tree-vect-generic.c (expand_vector_operations): Ditto.
14004 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
14005 * sched-rgn.c (rest_of_handle_sched): Ditto.
14006 (rest_of_handle_sched2): Ditto.
14007 * basic-block.h (free_bb_insn): Ditto.
14008 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
14009 * tree-cfg.c (execute_build_cfg): Ditto.
14010 (remove_useless_stmts): Ditto.
14011 (split_critical_edges): Ditto.
14012 (execute_warn_function_return): Ditto.
14013 (execute_warn_function_noreturn): Ditto.
14014 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
14015 * cfgrtl.c (free_bb_for_insn): Ditto.
14016 * passes.c (execute_one_pass): Run additional
14017 todos returned by execute function.
14018 * tree-pass.h (struct tree_opt_pass): Make execute
14021 2006-03-02 Richard Guenther <rguenther@suse.de>
14023 * tree-ssa-alias.c (find_used_portions): Consider taking
14024 the address as making the variable not write-only.
14026 2006-03-02 Nick Clifton <nickc@redhat.com>
14028 * config.gcc (default_use_cxa_atexit): Extend the description of
14029 this configure variable. Set its default value to "yes" for
14030 Linux, NetBSD and ELF targets on the assumption that they will
14031 use C libraries with the __cxa_atexit function.
14033 2006-03-02 Ben Elliston <bje@au.ibm.com>
14035 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
14036 parameter as unused to suppress a build warning.
14038 2006-03-02 Ben Elliston <bje@au.ibm.com>
14040 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
14043 2006-03-01 Roger Sayle <roger@eyesopen.com>
14046 * gthr-posix.h (__gthrw2): Define to take three parameters, the
14047 declared name, the weak reference name, and the typeof name.
14048 (__gthrw): Avoid expanding the declared name suffix.
14049 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
14051 2006-03-01 Jakub Jelinek <jakub@redhat.com>
14053 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
14055 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
14056 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
14057 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
14058 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
14059 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
14060 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
14061 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
14062 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
14063 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
14064 DW_DS_leading_separate, DW_DS_trailing_separate): New.
14065 (DW_END_default, DW_END_big, DW_END_little): New.
14066 (DW_END_lo_user, DW_END_hi_user): Define.
14067 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
14068 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
14069 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
14072 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14074 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
14076 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
14078 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
14080 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
14082 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
14083 to 'symbol_mem_tag'.
14085 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
14088 2006-03-01 Roger Sayle <roger@eyesopen.com>
14090 * builtins.c (fold_builtin_copysign): Delete unreachable code.
14092 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14095 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
14096 MACHO_DYNAMIC_NO_PIC_P.
14097 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
14099 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14102 * config/darwin-protos.h (darwin_asm_output_anchor):
14104 * config/darwin-sections.def (cstring_section):
14105 Add SECTION_MERGE to the flags.
14106 (literal4_section): Likewise.
14107 (literal8_section): Likewise.
14108 (objc_selector_refs_section): Likewise.
14109 (objc_cls_refs_section): Likewise.
14110 * config/darwin.c (darwin_asm_output_anchor): New
14112 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14114 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
14116 Fix PR tree-optimization/26443
14117 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
14118 to todo and PROP_tmt_usage to properties_destroyed.
14119 * tree-ssa-ccp.c (pass_ccp): Ditto.
14120 (pass_store_ccp): Ditto.
14121 * tree-ssa-dom.c (pass_dominator): Ditto.
14123 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14125 * tree-ssa-operands.c: Cleanup whitespace.
14126 (get_asm_expr_operands): Move before first invocation.
14127 (get_indirect_ref_operands): Likewise.
14128 (get_tmr_operands): Likewise.
14129 (get_call_expr_operands): Likewise.
14130 (append_def): Likewise.
14131 (append_use): Likewise.
14132 (append_v_may_def): Likewise.
14133 (append_v_must_def): Likewise.
14134 (add_call_clobber_ops): Likewise.
14135 (add_call_read_ops): Likewise.
14136 (add_stmt_operand): Likewise.
14137 (add_virtual_operand): Likewise.
14138 (build_ssa_operands): Likewise.
14140 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14142 PR middle-end/26022
14144 PR middle-end/24437
14145 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14146 with a call expr to ...
14147 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14149 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14151 * tree-vrp.c (extract_range_from_assert): Remove special
14152 handling for types with super-types.
14154 2006-03-01 Ben Elliston <bje@au.ibm.com>
14156 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
14157 and powerpc64-*-linux* configurations.
14158 * config/t-dfprules: New file.
14160 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
14161 Compile dfp-bit.c from the source directory using -DWIDTH and
14162 $DFP_CFLAGS to control the compilation of that file, rather than
14163 generating width-specific versions in the build directory.
14164 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
14165 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
14167 2006-02-28 Zack Weinberg <zackw@panix.com>
14169 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
14172 2006-02-28 Eric Christopher <echristo@apple.com>
14174 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
14175 Set up IN_LIBGCC definition of TARGET_64BIT.
14176 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
14178 2006-02-28 Roger Sayle <roger@eyesopen.com>
14180 PR middle-end/14752
14181 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
14182 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
14183 cases via the construction of "expr != 0".
14185 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
14187 * alias.c (alias_invariant, alias_invariant_size): Remove.
14188 (record_base_value): Remove.
14189 (memrefs_conflict_p): Don't look at alias_invariant.
14190 (end_alias_analysis): Don't free it.
14191 * alias.h (record_base_value): Remove prototype.
14193 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
14194 Adam Nemet <anemet@caviumnetworks.com>
14196 * rtl.h (truncated_to_mode): Declare it.
14197 (struct rtl_hooks): Add reg_truncated_to_mode hook.
14198 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
14199 (RTL_HOOKS_INITIALIZER): Include it.
14200 * rtlhooks.c (reg_truncated_to_mode_general): New function.
14201 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
14202 reg_truncated_to_mode.
14203 * rtlanal.c (truncated_to_mode): Define it.
14204 * simplify-rtx.c (simplify_unary_operation_1): Use it.
14206 2006-02-28 Jeff Law <law@redhat.com>
14208 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
14209 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
14210 the range allowed by TYPE_PRECISION.
14212 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
14214 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
14216 PR tree-optimization/26419
14217 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
14220 2006-02-27 Zack Weinberg <zackw@panix.com>
14222 * doc/md.texi: Fix typo in previous change.
14224 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
14228 2006-02-27 Zack Weinberg <zackw@panix.com>
14230 * rtl.def (define_constraint, define_register_constraint)
14231 (define_memory_constraint, define_address_constraint): New MD forms.
14232 * gensupport.c (process_rtx): Put define_constraint etc on the
14234 * genpreds.c (process_define_predicate): Adjust comment. Validate
14235 the name, and call validate_exp to validate the expression.
14236 (mark_mode_tests, write_extract_subexp): Can assume correct input.
14237 (write_predicate_expr): Likewise. NAME argument no longer necessary;
14238 all callers changed.
14239 (validate_exp, needs_variable, struct constraint_data)
14240 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
14241 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
14242 (const_dbl_constraints, constraint_max_namelen)
14243 (have_register_constraints, have_memory_constraints)
14244 (have_address_constraints, have_address_constraints)
14245 (have_extra_constraints, have_const_int_constraints)
14246 (have_const_dbl_constraints, mangle, add_constraint)
14247 (process_define_constraint, process_define_register_constraint)
14248 (write_enum_constraint_num, write_lookup_constraint)
14249 (write_insn_constraint_len, write_regclass_for_constraint)
14250 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
14251 (write_insn_extra_memory_constraint)
14252 (write_insn_extra_address_constraint)
14253 (write_satisfies_constraint_fns): New.
14254 (write_tm_preds_h): If we have new-style constraint definitions,
14255 prototype the functions generated from them, and define the
14256 old constraint interface (still used by generic code) in terms of
14258 (write_insn_preds_c): If we have new-style constraint definitions,
14259 generate all relevant functions from those definitions.
14260 (main): Handle define_constraint etc.
14261 * genoutput.c (struct constraint_data, indep_constraints)
14262 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
14263 (mdep_constraint_len): New data structures and functions, defined
14264 #ifdef USE_MD_CONSTRAINTS.
14265 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
14266 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
14267 use new logic to validate operand constraints against constraint
14269 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
14271 * defaults.h: If none of the old-style constraint macros are
14272 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
14273 old-style macros; and poison REG_CLASS_FROM_LETTER,
14274 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
14276 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
14277 * doc/md.texi: Document new constraint-definition mechanism and the
14278 C interface it provides. Remove references to old mechanism
14279 elsewhere in the document.
14280 (Machine Constraints): Use pathnames relative to gcc directory,
14281 i.e. config/ARCH/FILE. Change i386 section to refer to
14282 config/i386/predicates.md; update that section to match docstrings.
14283 * doc/tm.texi: Move all documentation of the old constraint-
14284 definition macros to their own section, clearly mark as obsolete.
14286 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
14287 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
14289 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
14290 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
14291 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
14292 constraint strings.
14293 (splits and peepholes): Use satisfies_constraint_*.
14294 * config/i386/i386.c (memory_address_length)
14295 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
14297 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14299 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
14300 scalar operation to be put back into the loop.
14302 2006-02-27 Jakub Jelinek <jakub@redhat.com>
14305 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
14306 (extract_cie_info): Handle S flag in augmentation string.
14307 (execute_cfa_program): If context->signal_frame, execute also
14308 fs->pc == context->ra instructions.
14309 (uw_frame_state_for): If context->signal_frame, don't subtract one
14310 from context->ra to find FDE.
14311 (uw_update_context_1): Set context->signal_frame to
14313 (_Unwind_GetIPInfo): New function.
14314 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
14315 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
14317 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
14318 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
14319 * unwind-compat.c (_Unwind_GetIPInfo): New function.
14320 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
14321 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
14322 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
14323 * config/i386/linux-unwind.h (x86_fallback_frame_state,
14324 x86_64_fallback_frame_state): Set fs->signal_frame.
14325 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
14326 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
14327 (frob_update_context): Likewise. Workaround missing S flag in
14328 Linux 2.6.12 - 2.6.16 kernel vDSOs.
14329 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
14330 Remove the psw_addr + 1 hack.
14332 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14334 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
14335 with aggregates here.
14336 (find_func_aliases): Remove code for &<aggregate> from here.
14338 2006-02-26 Roger Sayle <roger@eyesopen.com>
14340 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
14341 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
14342 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
14343 as (X & C) ne/eq 0.
14345 2006-02-26 Roger Sayle <roger@eyesopen.com>
14347 PR middle-end/19983
14348 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
14350 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
14352 * opts.c (decode_options): Do not handle flag_strength_reduce.
14353 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
14354 and OPT_fstrength_reduce.
14355 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
14356 flag_prefetch_loop_arrays for being nonzero.
14357 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
14359 (fprefetch-loop-arrays-rtl): Removed.
14360 (flag_prefetch_loop_arrays): Do not specify the value.
14362 * doc/passes.texi: Update documentation of loop optimizer
14364 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
14365 -frerun-loop-opt): Remove.
14367 2006-02-26 Richard Guenther <rguenther@suse.de>
14369 PR tree-optimization/26421
14370 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
14371 in function calls that are ADDR_EXPRs as using the whole structure.
14373 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
14375 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
14376 * tree-pass.h (pass_loop_optimize): Remove.
14377 * passes.c (pass_loop_optimize): Never run it.
14378 * toplev.c (backend_init): Don't call init_loop.
14379 * opts.c (flag_loop_optimize_set): Remove.
14380 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
14381 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
14382 the old RTL loop optimizer when profiling enabled.
14383 * predict.c (tree_estimate_probability): Always strip builtin_expect.
14384 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
14385 pre-headers for the sake of the old RTL loop optimizer.
14386 * Makefile.in: Remove all references to loop.o.
14388 * doc/invoke.texi: Remove all references to -floop-optimize
14389 and -frerun-loop-opt.
14391 2006-02-26 Zack Weinberg <zackw@panix.com>
14393 * doc/md.texi (Machine Constraints): Refer to all files with paths
14394 relative to gcc directory (i.e. config/CPU/file). Add missing
14395 @table @code ... @end table to M32C subsection.
14397 2006-02-26 Roger Sayle <roger@eyesopen.com>
14399 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
14401 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
14403 2006-02-26 Roger Sayle <roger@eyesopen.com>
14404 James A. Morrison <phython@gcc.gnu.org>
14406 PR middle-end/21137
14407 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
14408 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
14409 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
14410 signedness of the shift operation.
14412 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
14414 PR tree-optimization/26359
14415 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
14417 2006-02-25 Roger Sayle <roger@eyesopen.com>
14419 * simplify-rtx.c (simplify_relational_operation_1): Simplify
14420 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
14421 as X == 0, and some symmetry related transformations.
14422 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
14424 2006-02-25 Roger Sayle <roger@eyesopen.com>
14426 PR middle-end/23673
14427 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
14428 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
14429 symmetry related transformations. Fold (X^C1) == C2 as
14432 2006-02-25 Juergen Weigert <jw@suse.de>
14433 Richard Guenther <rguenther@suse.de>
14435 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
14437 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
14439 * combine.c (gen_lowpart_or_truncate): Call
14440 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
14442 2006-02-24 Diego Novillo <dnovillo@redhat.com>
14444 * doc/invoke.texi: Move -fopenmp description to "Options for
14446 Remove reference to -lgomp.
14448 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14450 * doc/install.texi: Require GNU tar version 1.14.
14452 2006-02-24 Geoffrey Keating <geoffk@apple.com>
14454 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
14455 * doc/invoke.texi (C++ Dialect Options): Document
14456 -fno-use-cxa-get-exception-ptr.
14457 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
14458 * configure: Regenerate.
14459 * c.opt (fuse-cxa-get-exception-ptr): New.
14460 * c-opts.c (c_common_handle_option): Handle
14461 OPT_fuse_cxa_get_exception_ptr.
14462 * c-common.c (flag_use_cxa_atexit): Update documentation.
14463 (flag_use_cxa_get_exception_ptr): New.
14464 * c-common.h (flag_use_cxa_get_exception_ptr): New.
14465 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
14467 (C_COMMON_OVERRIDE_OPTIONS): New.
14469 2006-02-24 Roger Sayle <roger@eyesopen.com>
14471 PR middle-end/24952
14472 * combine.c (try_combine): Explicitly check whether GET_CODE is
14473 a SET or a CLOBBER, instead on checking that it isn't a USE.
14475 2006-02-24 Roger Sayle <roger@eyesopen.com>
14477 * fold-const.c (fold_comparison): New subroutine of fold_binary
14478 containing transformations common to both the equality and
14479 ordering relational operators, factored out of fold_binary.
14480 (fold_binary): Separate out the equality operators (EQ_EXPR
14481 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
14482 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
14483 transformations common to both.
14484 (fold_div_compare): Fix latent bugs in the previously unreachable
14485 LT_EXPR and GE_EXPR cases.
14487 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14489 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
14490 decl libname for clog to __clog on AIX.
14492 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
14494 2006-02-24 Alan Modra <amodra@bigpond.net.au>
14497 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
14498 output traceback table for thunks. Localise rs6000_stack_info call.
14500 2006-02-23 Roger Sayle <roger@eyesopen.com>
14501 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14503 * gthr-posix.h (__gthrw): Fix typo in comment.
14505 2006-02-23 Geoffrey Keating <geoffk@apple.com>
14507 * doc/cpp.texi (Character sets): Document that we do support
14508 input files to be in any character set.
14510 2006-02-23 Jeff Law <law@redhat.com>
14512 * tree.h (PHI_ARG_NONZERO): Remove.
14513 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
14514 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
14515 node to the new node.
14517 PR tree-optimization/26425
14518 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
14519 min/max, then assume its varying.
14521 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14523 PR rtl-optimization/26316
14524 * rtlanal.c (enum may_trap_p_flags): New.
14525 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
14526 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
14527 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
14528 (may_trap_after_code_motion_p): New function.
14529 * loop-invariant.c (find_identical_invariants): Fix dump formating.
14530 (find_invariant_insn): Use may_trap_after_code_motion_p.
14531 * rtl.h (may_trap_after_code_motion_p): Declare.
14533 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14535 * emit-rtl.c (immed_double_const): Cleanup.
14537 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
14539 Fix PR tree-optimization/26376
14540 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
14543 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14545 PR middle-end/26412
14546 * gimplify.c (omp_add_variable): Guard variable size decl test with
14547 DECL_SIZE (decl) check.
14549 2006-02-23 Richard Guenther <rguenther@suse.de>
14551 PR middle-end/26439
14552 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
14553 like aggregate types.
14555 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14557 * configure.ac: Add --with{,out}-long-double-128 configure option.
14558 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
14559 * configure: Rebuilt.
14560 * config.in: Rebuilt.
14561 * doc/install.texi (Options specification): Document
14562 --with-long-double-128.
14564 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14565 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14566 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14567 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14569 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
14571 * config/s390/s390.c (override_options): Handle
14572 TARGET_DEFAULT_LONG_DOUBLE_128.
14574 * config/alpha/alpha.c (override_options): Handle
14575 TARGET_DEFAULT_LONG_DOUBLE_128.
14577 * config/sparc/sparc.c (sparc_override_options): Handle
14578 TARGET_DEFAULT_LONG_DOUBLE_128.
14580 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
14582 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
14583 (real-install-headers-tar, real-install-headers-cpio)
14584 (real-install-headers-cp): New targets.
14586 2006-02-22 Richard Sandiford <richard@codesourcery.com>
14588 * tree.h (variable_section): Delete.
14589 * varasm.c (variable_section): Delete.
14591 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
14593 * install.texi: Add notes on install.texi2html.
14594 (Building in parallel): Do not use footnotes.
14596 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
14599 * doc/install.texi (Configuration): Document --disable-libgomp.
14601 2006-02-21 Geoffrey Keating <geoffk@apple.com>
14603 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
14605 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14607 * config/i386/sse.md (vec_extractv2df_1_sse): New.
14608 (vec_extractv2df_0_sse): New.
14610 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14612 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
14613 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
14614 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
14615 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
14616 to the result of the expression.
14617 (def_cfa_1): Adjust.
14618 (frame_pointer_cfa_offset): Rename to...
14619 (frame_pointer_fb_offset): ... this. Adjust all uses.
14620 (convert_cfa_to_loc_list): Rename to...
14621 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
14622 Pass it on to build_cfa_loc.
14623 (compute_frame_pointer_to_cfa_displacement): Rename to...
14624 (compute_frame_pointer_to_fb_displacement): ... this. New
14625 offset parameter. Use it in computation.
14626 (gen_subprogram_die): Compute cfa_fb_offset with the new
14627 macro, and use it to compute the fb loc list and the
14630 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
14632 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
14633 replaced with register_operand.
14634 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
14635 non-DREG is expensive.
14636 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
14637 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
14640 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
14642 * doc/install.texi2html: Use set -e.
14644 2006-02-21 Richard Sandiford <richard@codesourcery.com>
14646 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14647 (ASM_OUTPUT_SHARED_LOCAL): Delete.
14648 * doc/invoke.texi (-fshared-data): Delete.
14649 * common.opt (fshared-data): Delete.
14650 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
14651 (assemble_static_space): Remove #if 0 code.
14652 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14653 (ASM_OUTPUT_SHARED_LOCAL): Poison.
14654 * config/cris/cris.h: Remove FIXME.
14656 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
14658 * doc/sourcebuild.texi (Front End Directory): No more double-colon
14661 2006-02-21 Jakub Jelinek <jakub@redhat.com>
14663 PR middle-end/26379
14664 * combine.c (simplify_shift_const_1): Disable nested shifts
14665 optimization for vector shifts.
14667 2006-02-20 Roger Sayle <roger@eyesopen.com>
14669 PR tree-optimization/26361
14670 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
14671 of unsigned integer types.
14673 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
14675 * tree-chrec.c (eq_evolutions_p): New.
14676 * tree-chrec.h (eq_evolutions_p): Declared.
14677 * tree-data-ref.c: Fix formatting.
14678 (datadep_stats, dependence_stats): New.
14680 (print_direction_vector): New.
14681 (dump_data_dependence_relation): Use print_direction_vector.
14682 (object_analysis, create_data_ref): Handle COMPONENT_REF.
14683 (compute_subscript_distance): Static.
14684 (initialize_data_dependence_relation): Static. Get the number
14685 of loops surrounding the references from the callers, and initialize
14686 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
14687 base_object_differ_p analyzers.
14688 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
14689 compute_overlap_steps_for_affine_1_2,
14690 analyze_subscript_affine_affine): Count the classified dependences.
14691 Print a message when a test failed.
14692 (can_use_analyze_subscript_affine_affine): New.
14693 (analyze_siv_subscript): Compute the data dependences on symbolic
14694 scevs that verify can_use_analyze_subscript_affine_affine.
14695 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
14696 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
14697 Handle symbolic scevs.
14698 (analyze_overlapping_iterations): Let symbolic affine scevs to be
14700 (subscript_dependence_tester): Moved...
14701 (build_classic_dist_vector, build_classic_dir_vector): Don't use
14702 lambda_vector_clear on newly allocated vectors. Get nb_loops from
14703 DDR_SIZE_VECT instead of getting it in parameter.
14704 (subscript_dependence_tester): ... here. Take as a parameter
14705 loop_nest_depth. Call build_classic_dist_vector and
14706 build_classic_dir_vector.
14707 (compute_affine_dependence): Update subscript_dependence_tester
14708 parameters. Update datadep_stats counters. Call
14709 compute_subscript_distance.
14710 (compute_self_dependence): Save the dist and dir vectors. Call
14711 compute_subscript_distance.
14712 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
14713 (compute_all_dependences): Reorder parameters as they were before
14714 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
14715 compute_subscript_distance. Update the use of
14716 compute_affine_dependence and initialize_data_dependence_relation.
14717 (find_data_references_in_loop): Handle COMPONENT_REF.
14718 (compute_data_dependences_for_loop): Initialize dependence_stats.
14719 Don't call build_classic_dist_vector and build_classic_dir_vector.
14720 Update the parameters of initialize_data_dependence_relation and
14721 compute_all_dependences. Print the statistics from datadep_stats.
14722 (analyze_all_data_dependences): Static. Not used until the pass for
14723 checking the data dependences is contributed.
14724 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
14725 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
14726 (initialize_data_dependence_relation, compute_affine_dependence,
14727 analyze_all_data_dependences, compute_subscript_distance): Removed.
14728 (print_direction_vector): New.
14729 * lambda.h (gcd): ... here.
14730 (lambda_vector_gcd): Moved here from gcd_vector.
14731 * lambda-code.c (gcd, gcd_vector): Removed.
14732 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
14733 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
14735 2006-02-20 Diego Novillo <dnovillo@redhat.com>
14737 * ipa-type-escape.c: Tidy some comments and white space.
14738 * tree-ssa-operands.c: Likewise.
14740 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
14743 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
14744 (dump_decl_name): Do not walk the decl tree chains.
14745 * tree-pass.h (TDF_CHAIN): Remove.
14747 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14749 * Makefile.in (C): Remove
14751 (.PHONY): Remove C and PROTO
14753 2006-02-20 Roger Sayle <roger@eyesopen.com>
14755 PR middle-end/26236
14756 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
14757 deprecated CHAR_TYPE tree code.
14759 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14761 * configure.ac (target_list): Add install-info, dvi, html.
14762 * configure: Regenerate.
14764 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
14765 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
14766 treelang/Make-lang.in: Do not use double-colon rules.
14768 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
14770 * tree.h (struct tree_memory_tag): Add is_used_alone member.
14771 (TMT_USED_ALONE): New macro.
14772 * tree-pass.h (PROP_tmt_usage): New property.
14773 (TODO_update_tmt_usage): New todo.
14774 * tree-ssa-alias.c (updating_used_alone): New variable.
14775 (recalculate_used_alone): New function.
14776 (compute_may_aliases): Set updating_used_alone, call
14777 recalculate_used_alone.
14778 * tree-sra.c (pass_sra): Note that this pass destroys
14779 PROP_tmt_usage, and add TODO_update_tmt_usage.
14780 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
14781 * tree-flow.h (updating_used_alone): Prototype.
14782 (recalculate_used_alone): Ditto.
14783 * passes.c (execute_todo): Add code to set updating_used_alone,
14784 and call recalculate.
14785 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
14786 for clobber if used alone, and add assert to verify used_alone
14789 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
14791 * config/s390/s390.c (legitimize_pic_address): Assertions checking
14792 for non tls symbols added.
14793 (legitimize_address): Do nothing for PLUS expressions if one of the
14794 addends is a tls symbol reference.
14796 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14800 * Makefile.in (LDFLAGS): Define from autoconf substitution.
14802 * Makefile.in (BOOTSTRAPPING): New.
14803 (quickstrap): New definition if BOOTSTRAPPING=yes.
14805 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
14806 * configure.ac: Substitute all_selected_languages with the languages
14807 that were configured. For all the other variables except
14808 lang_specs_files, include all the languages in the tree.
14809 * configure: Regenerate.
14811 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
14812 if there is one. Run the commands to run fixincludes in the same
14815 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
14816 * doc/install.texi: Document exact conventions for searching target tools.
14817 Document --with-build-time-tools. Document toplevel bootstrap. Document
14818 something more about building an Ada cross-compiler. Don't list GNU Make
14819 requirements which affect all platforms.
14821 2006-02-19 Roger Sayle <roger@eyesopen.com>
14823 PR middle-end/19543
14824 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
14825 only equivalent if the have both the same mode and precision.
14827 2006-02-20 Ben Elliston <bje@au.ibm.com>
14829 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
14831 2006-02-19 Roger Sayle <roger@eyesopen.com>
14832 Steven Bosscher <stevenb.gcc@gmail.com>
14834 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
14835 constant pool references to identify stack mode constants.
14836 * rtlanal.c (constant_pool_constant_p): New predicate to check
14837 whether operand is a floating point constant in the pool.
14838 * rtl.h (constant_pool_constant_p): Prototype here.
14839 * loop.c (scan_loop): Avoid hoisting constants from the constant
14840 pool on STACK_REGS targets.
14841 (load_mems): Likewise.
14842 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
14843 loads into x87 registers expensive in terms of register pressure.
14845 2006-02-19 Roger Sayle <roger@eyesopen.com>
14847 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
14848 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
14850 2006-02-19 David Edelsohn <edelsohn@gnu.org>
14852 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14853 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
14855 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
14857 * doc/invoke.texi: Document -fipa-pta.
14858 * common.opt: Add ipa-pta option.
14859 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
14860 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
14861 (do_ds_constraint): Ditto.
14862 (get_constraint_for): Only add to referenced_vars if
14863 referenced_vars exists.
14864 (insert_into_field_list): Rewrite to do this unsorted.
14865 (insert_into_field_list_sorted): Rename old insert_into_field_list
14867 (create_function_info_for): Use insert_into_field_list_sorted.
14868 (create_variable_info_for): Rewrite so it uses unsorted version,
14869 since the field list is sorted.
14870 (intra_create_variable_infos): Only add to referenced_vars if
14871 referenced_vars exists.
14872 (ipa_pta_execute): Init heapvars, and delete when done.
14873 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
14875 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14877 * doc/install.texi: Add missing `@samp'.
14879 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14881 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
14884 2006-02-18 Mark Wielaard <mark@klomp.org>
14886 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
14887 who added new 4.1 features, bug fixes and integration support.
14889 2006-02-18 David Edelsohn <edelsohn@gnu.org>
14892 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
14893 MEM for ABI_V4 pic.
14895 2006-02-18 Richard Sandiford <richard@codesourcery.com>
14897 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
14898 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
14899 (copy_insn_1): Likewise. Don't copy each field individually.
14901 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
14903 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
14904 * rtl.c (rtx_size): Rename variable to...
14905 (rtx_code_size): ...this.
14906 (rtx_size): New function.
14907 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
14908 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
14910 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
14911 * rtl.h (rtx_code_size): New variable.
14912 (rtx_size): Change from a variable to a function.
14913 (RTX_SIZE): Rename to...
14914 (RTX_CODE_SIZE): ...this.
14917 PR tree-optimization/17106
14918 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
14919 (Anchored Addresses): New section.
14920 * doc/invoke.texi (-fsection-anchors): Document.
14921 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
14922 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
14923 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
14924 * hooks.c (hook_bool_mode_rtx_false): New function.
14925 * hooks.h (hook_bool_mode_rtx_false): Declare.
14926 * gengtype.c (create_optional_field): New function.
14927 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
14928 SYMBOL_REF_IN_BLOCK_P is true.
14929 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
14930 (min_anchor_offset, max_anchor_offset): Likewise.
14931 (use_anchors_for_symbol_p): New hook.
14932 * toplev.c (compile_file): Call output_object_blocks.
14933 (target_supports_section_anchors_p): New function.
14934 (process_options): Check that -fsection-anchors is only used on
14935 targets that support it and when -funit-at-a-time is in effect.
14936 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
14937 if the decl doesn't have one.
14938 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
14939 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
14940 of force_const_mem through use_anchored_address.
14941 (expand_expr_constant): New function.
14942 (expand_expr_addr_expr_1): Call it. Use the same modifier when
14943 calling expand_expr for INDIRECT_REF.
14944 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
14945 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
14946 * expr.h (use_anchored_address): Declare.
14947 * loop-unroll.c: Don't declare rtx vectors here.
14948 * explow.c: Include output.h.
14949 (validize_mem): Call use_anchored_address.
14950 (use_anchored_address): New function.
14951 * common.opt (-fsection-anchors): New switch.
14952 * varasm.c (object_block_htab, anchor_labelno): New variables.
14953 (hash_section, object_block_entry_eq, object_block_entry_hash)
14954 (use_object_blocks_p, get_block_for_section, create_block_symbol)
14955 (use_blocks_for_decl_p, change_symbol_section): New functions.
14956 (get_variable_section): New function, split out from assemble_variable.
14957 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
14958 use_blocks_for_decl_p say so. Use change_symbol_section if the
14959 symbol has already been created.
14960 (assemble_variable_contents): New function, split out from...
14961 (assemble_variable): ...here. Don't output any code for
14962 block symbols; just pass them to place_block_symbol.
14963 Use get_variable_section and assemble_variable_contents.
14964 (get_constant_alignment, get_constant_section, get_constant_size): New
14965 functions, split from output_constant_def_contents.
14966 (build_constant_desc): Create a block symbol if use_object_blocks_p
14967 says so. Or into SYMBOL_REF_FLAGS.
14968 (assemble_constant_contents): New function, split from...
14969 (output_constant_def_contents): ...here. Don't output any code
14970 for block symbols; just pass them to place_section_symbol.
14971 Use get_constant_section and get_constant_alignment.
14972 (force_const_mem): Create a block symbol if use_object_blocks_p and
14973 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
14974 (output_constant_pool_1): Add an explicit alignment argument.
14975 Don't switch sections here.
14976 (output_constant_pool): Adjust call to output_constant_pool_1.
14977 Switch sections here instead. Don't output anything for block symbols;
14978 just pass them to place_block_symbol.
14979 (init_varasm_once): Initialize object_block_htab.
14980 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
14981 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
14982 (place_block_symbol, get_section_anchor, output_object_block)
14983 (output_object_block_htab, output_object_blocks): New functions.
14984 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
14985 (TARGET_ASM_OUT): Include it.
14986 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
14987 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
14988 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
14989 (TARGET_INITIALIZER): Include them.
14990 * rtl.c (rtl_check_failed_block_symbol): New function.
14991 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
14992 (block_symbol, object_block): New structures.
14993 (rtx_def): Add a block_symbol field to the union.
14994 (BLOCK_SYMBOL_CHECK): New macro.
14995 (rtl_check_failed_block_symbol): Declare.
14996 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
14997 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
14998 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
14999 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
15000 * output.h (output_section_symbols): Declare.
15001 (object_block): Name structure.
15002 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
15003 (default_use_anchors_for_symbol_p): Declare.
15004 * Makefile.in (RTL_BASE_H): Add vec.h.
15005 (explow.o): Depend on output.h.
15006 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
15007 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
15008 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
15009 (rs6000_use_blocks_for_constant_p): New function.
15011 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15013 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
15015 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
15018 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
15021 2006-02-18 Diego Novillo <dnovillo@redhat.com>
15023 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
15027 2006-02-18 Jakub Jelinek <jakub@redhat.com>
15029 PR middle-end/26334
15030 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
15031 instead of DECL_REGISTER.
15033 2006-02-18 Olivier Hainque <hainque@adacore.com>
15036 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
15038 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
15041 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
15042 * opth-gen.awk: Handle Var and InverseMask together.
15043 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
15044 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
15045 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
15046 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
15048 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15049 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15050 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
15051 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15052 LINUX_DYNAMIC_LINKER): Define.
15053 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
15054 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
15056 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15057 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
15058 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15059 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15060 (TARGET_C99_FUNCTIONS): Don't define.
15061 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
15062 GLIBC_DYNAMIC_LINKER.
15063 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
15064 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
15065 GLIBC_DYNAMIC_LINKER64): Define.
15066 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15067 LINUX_DYNAMIC_LINKER64.
15068 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15069 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15070 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
15071 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15072 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15073 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15074 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
15075 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
15076 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
15077 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
15078 and LINUX_DYNAMIC_LINKER32.
15079 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15080 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15081 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
15082 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15083 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
15085 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
15086 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
15087 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15088 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15089 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15090 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
15091 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
15092 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
15093 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15094 LINUX_DYNAMIC_LINKER): Define.
15095 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
15096 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
15097 GLIBC_DYNAMIC_LINKER64): Define.
15098 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15099 LINUX_DYNAMIC_LINKER64.
15100 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15101 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15102 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
15103 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15104 LINUX_DYNAMIC_LINKER): Define.
15105 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15106 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15107 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
15108 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
15109 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
15110 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15111 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
15112 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
15113 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15114 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15115 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15116 * doc/invoke.texi (-muclibc): Remove caveat about supported
15119 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
15121 * doc/cpp.texi (__TIMESTAMP__): Document.
15123 2006-02-17 Roger Sayle <roger@eyesopen.com>
15125 PR middle-end/25600
15126 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
15127 C is one less than the width of X (and related transformations).
15128 * simplify-rtx.c (simplify_unary_operation_1): Transform
15129 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
15130 depending on STORE_FLAG_VALUE, were C is one less then the
15133 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
15135 Fix PR tree-optimization/26341
15136 * tree-ssa-operands.c (add_virtual_operand): Remove assert
15137 about NAME_MEMORY_TAG's.
15139 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15142 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
15143 with hardware float support, and software float support. Add fcpy
15144 alternative to hardware patterns. Add alternatives to copy between
15145 general and floating-point registers to the 32-bit pattern.
15146 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
15147 secondary reload to load a QI or HI mode constant into a floating
15149 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
15150 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
15152 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
15155 * config/rs6000/darwin.md (load_macho_picbase_si): Add
15157 (load_macho_picbase_di): Likewise.
15159 2006-02-16 Jeff Law <law@redhat.com>
15161 * tree-vrp.c (set_value_range_to_nonnegative): New function.
15162 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
15163 (ssa_name_nonzero_p): Likewise.
15164 (get_value_range): Return NULL if VRP is not running.
15165 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
15166 VRP routines do not discover a range.
15167 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
15168 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
15169 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
15170 (tree_expr_nonnegative_p): Similarly.
15171 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
15172 (restore_nonzero_vars_to_original_value): Remove.
15173 (unsafe_associative_fp_binop): Remove.
15174 (tree_ssa_dominator_optimize): Remove initialization and
15175 finalization of nonzero_vars and nonzero_vars_stack.
15176 (dom_opt_initialize_block): No longer push marker on
15177 nonzero_vars_stack.
15178 (dom_opt_finalize_block): No longer call
15179 restore_nonzero_vars_to_original_value.
15180 (record_equivalences_from_phis): No longer look for
15181 nonzero PHI arguments.
15182 (cprop_into_successor_phis): No longer propagate nonzero
15183 property into PHI arguments. Lose unused argument. Caller
15185 (record_equivalences_from_stmt): No longer record nonzero
15186 values for SSA_NAMEs.
15187 (lookup_avail_expr): No longer use nonzero_vars.
15189 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
15190 for sizetype when sizetype is unsigned.
15192 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
15194 PR rtl-optimization/25603
15195 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
15196 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
15197 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
15198 with new meaning of SETS.
15200 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
15205 * config/linux.opt: New file.
15206 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
15207 LINUX_DYNAMIC_LINKER): Define.
15208 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
15209 * config.gcc (*-*-linux*): Define extra_options.
15210 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
15211 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
15212 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
15213 GLIBC_DYNAMIC_LINKER.
15214 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
15215 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15216 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15217 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15218 * doc/invoke.texi (GNU/Linux Options): New section.
15220 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
15222 * config/sparc/sparc.md (setjmp): Rewrite.
15223 (setjmp_32): Delete.
15224 (setjmp_64): Likewise.
15226 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
15228 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
15231 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15233 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
15236 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15238 PR rtl-optimization/26296
15239 * Makefile.in (loop-invariant.c): Add except.h dependency.
15240 * loop-invariant.c: Include except.h.
15241 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
15243 2005-02-16 Paul Brook <paul@codesourcery.com>
15245 * reload1.c (emit_reload_insns): Invalidate dead input registers used
15248 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
15250 PR rtl-optimization/25636
15251 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
15252 when deciding whether an insn is an initializing insn.
15254 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
15256 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
15257 (tree_code_size): Ditto.
15258 * tree.h (struct tree_memory_tag): Remove parent_var.
15259 (struct tree_struct_field_tag): New.
15262 (union tree_node): Add sft member.
15263 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
15265 (create_sft): Add size and offset argument, set SFT_OFFSET and
15267 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
15268 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
15269 * tree-flow-inline.h (get_subvar_at): Update for
15270 SFT_OFFSET/SFT_SIZE.
15271 (var_can_have_subvars): Ditto.
15272 (overlap_subvar): Ditto.
15273 * print-tree.c (print_node): Print out interesting things for
15275 * tree-flow.h (struct subvar): Remove offset and size members.
15276 * tree-ssa-operands.c (get_expr_operands): Update for
15277 get_indirect_ref_operands changes.
15278 (get_indirect_ref_operands): Call add_virtual_operand instead of
15279 add_stmt_operand. Only recurse on base var if requested.
15280 (access_can_touch_variable): New function.
15281 (add_stmt_operand): Split virtual operand handling into ...
15282 (add_virtual_operand): Here. Add offset, size, and for_clobber
15283 arguments. Prune alias sets.
15284 (add_call_clobber_ops): Call add_virtual_operand.
15286 2006-02-15 Jakub Jelinek <jakub@redhat.com>
15288 PR middle-end/26300
15289 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
15291 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
15292 than TREE_CODE as index into omp_clause_num_ops array.
15294 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
15296 PR rtl-optimization/26184
15297 * modulo-sched.c (generate_reg_moves): Free bitmap vector
15299 * modulo-sched.c (sms_schedule): Free g_arr pointer.
15300 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
15301 must_precede, must_follow and tobe_scheduled.
15304 * opts.c (common_handle_option): Free new_option pointer.
15305 * df-core.c (df_analyze): Free postorder pointer.
15307 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
15309 * Makefile.in: Fix the examples about the use of stamps
15311 2006-02-15 Michael Matz <matz@suse.de>
15313 PR middle-end/22275
15315 * stor-layout.c (layout_decl): Zero-width bitfields aren't
15316 influenced by maximum_field_alignment or DECL_PACKED.
15317 (update_alignment_for_field): Ditto.
15318 (place_field): Ditto.
15319 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
15322 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
15324 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
15325 (debug_flow_info): Pass it.
15326 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
15327 * bb-reorder.c (reorder_basic_blocks): Likewise.
15328 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
15329 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
15330 * flow.c (life_analysis, recompute_reg_usage): Likewise.
15331 * gcse.c (gcse_main, bypass_jumps): Likewise.
15332 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
15333 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
15334 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
15335 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
15336 * rtl.h (dump_flow_info): Adjust prototype.
15337 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
15338 * var-tracking.c (variable_tracking_main): Likewise.
15339 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
15340 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
15343 2006-02-15 Marcin Dalecki <martin@dalecki.de>
15345 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
15348 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15350 PR tree-optimization/26209
15351 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
15352 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
15354 * tree-cfg.c (replace_uses_by): Do not alter cfg.
15356 2006-02-14 Roger Sayle <roger@eyesopen.com>
15358 PR middle-end/23670
15359 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
15360 (X,Y) and the corresponding symmetry related transformations.
15361 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
15362 (X,Y) and its symmetry related transformations.
15364 2006-02-14 Roger Sayle <roger@eyesopen.com>
15366 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
15369 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
15371 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
15373 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15376 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
15377 support COMDAT group.
15378 * configure: Regenerate.
15380 2006-02-14 Roger Sayle <roger@eyesopen.com>
15382 PR middle-end/26279
15383 PR middle-end/26280
15384 PR middle-end/26283
15385 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
15387 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
15389 Fix PR tree-optimization/26260
15391 * doc/invoke.texi (max-fields-for-field-sensitive): Document
15393 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
15394 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
15395 * tree-ssa-structalias.c (create_variable_info_for): Use
15396 MAX_FIELDS_FOR_FIELD_SENSITIVE.
15398 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15400 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
15402 * tree-ssa-loop-niter.c (number_of_iterations_ne,
15403 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
15404 of the ending condition.
15405 * tree-ssa-loop-manip.c: Include params.h.
15406 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
15407 tree_unroll_loop): New functions.
15408 * tree-pass.h (pass_loop_prefetch): Declare.
15409 * loop.c (rest_of_handle_loop_optimize): Test for
15410 -fprefetch-loop-arrays-rtl.
15411 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
15412 * timevar.def (TV_TREE_PREFETCH): New timevar.
15413 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
15414 pass_loop_prefetch): New.
15415 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
15416 (cleanup_tree_cfg_loop): Call scev_reset.
15417 * common.opt (fprefetch-loop-arrays-rtl): Add.
15418 * tree-ssa-loop-prefetch.c: New file.
15419 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
15420 (new_temp_expr_table): Initialize expr_vars.
15421 (free_temp_expr_table): Cleanup expr_vars.
15422 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
15423 expressions from being merged into one.
15424 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
15425 (struct tree_niter_desc): Add control, bound and cmp fields.
15426 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
15428 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
15429 (tree-cfgcleanup.o): Add SCEV_H dependency.
15430 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
15431 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
15433 2006-02-14 Richard Guenther <rguenther@suse.de>
15435 PR tree-optimization/26258
15436 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
15437 in PHI argument processing.
15439 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
15441 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
15442 new expression in the requested machine mode.
15444 2006-02-13 Roger Sayle <roger@eyesopen.com>
15446 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
15447 directly, instead let do_compare_rtx_and_jump handle this for us.
15448 * expr.c (expand_expr_real_1): Likewise.
15449 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
15450 before do_jump_by_parts_greater.
15451 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
15452 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
15454 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15456 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
15458 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15460 PR rtl-optimization/26235
15461 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
15462 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
15465 2006-02-13 Jeff Law <law@redhat.com>
15467 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
15470 2006-02-13 Jakub Jelinek <jakub@redhat.com>
15472 PR middle-end/26092
15473 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
15474 twice if decl is a builtin. When trying again, call get_callee_fndecl
15475 first to verify it is still a builtin.
15477 2006-02-13 Geoffrey Keating <geoffk@apple.com>
15479 * dwarf2out.c (base_type_die): Don't add AT_name here.
15480 (subrange_type_die): Don't add AT_name here.
15481 (modified_type_die): Rearrange code flow. Do add AT_name here.
15483 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15485 PR rtl-optimization/26247
15486 PR rtl-optimization/26248
15487 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
15489 2006-02-13 Richard Sandiford <richard@codesourcery.com>
15491 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
15492 * config/fixtfdi.c: Likewise.
15493 * config/fixunstfdi.c: Likewise.
15494 * config/floatditf.c: Likewise.
15496 2006-02-13 Roger Sayle <roger@eyesopen.com>
15498 PR middle-end/24427
15499 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
15500 into (X,C2) if C1 is a subset of the bits of C2. Transform
15501 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
15503 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
15505 2006-02-13 Josh Conner <jconner@apple.com>
15508 * varasm.c (function_section): Check for section name before
15509 calling select_section on targets that define
15510 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
15511 unlikely_text_section instead of hot_function_section if
15512 first_function_block_is_cold.
15514 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
15516 PR middle-end/25335
15517 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
15519 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15521 PR rtl-optimization/26222
15522 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
15523 after tree->rtl expansion.
15524 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
15525 before passing it to emit_move_insn.
15527 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
15529 * doc/invoke.texi (-Write-strings): Document that it is enabled by
15531 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
15532 Clarify documentation.
15533 * c-common.h (warn_write_strings): Remove.
15534 * c-common.c (warn_write_strings): Likewise.
15535 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
15538 2006-02-12 Roger Sayle <roger@eyesopen.com>
15540 PR middle-end/25724
15541 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
15542 (do_jump_parts_zero_rtx): New function renamed from
15543 do_jump_parts_equality_rtx. Made static. Add a mode argument.
15544 (do_jump_parts_equality_rtx): New function split out from
15545 do_jump_parts_equality. Old implementation renamed as above.
15546 Call do_jump_parts_zero_rtx if either operand is zero.
15547 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
15548 do all of the heavy lifting.
15549 (do_compare_rtx_and_jump): Handle multi-word comparisons by
15550 calling either do_jump_by_parts_greater_rtx or
15551 do_jump_by_parts_equality_rtx.
15552 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
15553 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
15554 moved to do_compare_rtx_and_jump, call it directly.
15555 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
15556 mode argument. Call do_compare_rtx_and_jump.
15557 (emit_case_nodes): Update calls to do_jump_if_equal.
15559 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15561 PR rtl-optimization/26225
15562 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
15564 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15566 PR rtl-optimization/26232
15567 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
15569 2006-02-11 Jason Merrill <jason@redhat.com>
15572 * tree-inline.c (declare_return_variable): Just don't use the
15573 modify target if it's a gimple complex reg and the return slot
15576 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15578 * doc/contrib.texi: Update my entry.
15580 2006-02-10 Geoffrey Keating <geoffk@apple.com>
15582 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
15584 2006-02-10 Diego Novillo <dnovillo@redhat.com>
15586 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
15589 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
15591 * doc/invoke.texi (-floop-optimize2): Removed.
15592 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
15593 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
15594 Test flag_branch_on_count_reg only if HAVE_doloop_end.
15595 * common.opt (floop-optimize2): Removed.
15596 (fmove-loop-invariants): Enabled by default.
15598 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
15600 * tree-if-conv.c (combine_blocks): Free the result of
15601 get_loop_exit_edges.
15603 2006-02-10 Jeff Law <law@redhat.com>
15605 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
15607 PR tree-optimization/26213
15608 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
15609 loop trying to follow SSA_NAME_VALUE chains.
15611 2006-02-10 Richard Guenther <rguenther@suse.de>
15613 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
15614 deal with structures that end in implicitly variable sized arrays.
15616 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15618 PR rtl-optimization/24762
15619 * df-scan.c (df_bb_refs_record): Record correct registers defined on
15622 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15624 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
15625 (struct ivopts_data): Add regs_used field.
15626 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
15627 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
15628 instead of loop_data->regs_used;
15629 (free_loop_data): Do not free aux fields for loops.
15630 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
15631 and tree_ssa_iv_optimize_finalize.
15633 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
15635 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
15637 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15640 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
15641 computing the effective result type.
15643 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15645 PR inline-asm/16194
15646 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
15647 (tree_overlaps_hard_reg_set): Declare.
15648 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
15649 type and signature to match function type expected by walk_tree.
15650 (tree_overlaps_hard_reg_set): New function.
15651 (decl_conflicts_with_clobbers_p): Rename to:
15652 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
15653 Use tree_overlaps_hard_reg_set. Changed caller.
15654 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
15655 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
15656 * cris.c (cris_md_asm_clobbers): Likewise.
15658 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
15660 * reload1.c (emit_input_reload_insns): Delete code that tries to
15661 inherit using find_equiv_reg.
15663 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
15665 * c-common.h (flag_const_strings): Don't declare.
15666 * c-common.c (flag_const_strings): Remove.
15667 * c.opt (fconst_strings): Remove.
15668 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
15669 <OPT_Wwrite_strings>: Don't set flag_const_strings.
15670 (c_common_init_options): Don't set flag_const_strings.
15671 * doc/invoke.texi (-fno-const-strings): Remove documentation.
15673 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
15675 * arm.md (tlobits_cbranch): New pattern.
15676 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
15677 testing a single bit.
15679 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15682 * tree-ssa-pre.c (create_component_ref_by_pieces):
15683 Handle RETURN_DECL like VAR_DECL.
15685 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15687 PR middle-end/26134
15688 * fold-const.c (fold_indirect_ref_1): Fold
15689 "*(foo *)&complexfoo" to "__real__ complexfoo"
15690 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
15692 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15694 * tree-flow-inline.h (var_can_have_subvars):
15695 Volatile variables should not have subvariables.
15697 2006-02-09 Diego Novillo <dnovillo@redhat.com>
15700 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
15701 multiplying unsigned values.
15704 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
15706 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
15708 2006-02-08 Jason Merrill <jason@redhat.com>
15711 * tree.def: Elaborate on difference from MODIFY_EXPR.
15712 * doc/c-tree.texi (INIT_EXPR): Likewise.
15713 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
15714 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
15715 (gimplify_target_expr): Likewise.
15716 (gimplify_cond_expr): Remove target handling.
15717 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
15718 (gimplify_expr): Clobber it here.
15719 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
15720 Do return slot optimization if we have an INIT_EXPR.
15723 * tree-inline.c (declare_return_variable): Also clear
15724 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
15727 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
15729 PR middle-end/22439
15730 * gimplify.c (gimplify_one_sizepos): Fix typo.
15732 2006-02-08 Jeff Law <law@redhat.com>
15734 PR tree-optimization/21417
15735 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
15736 across a backedge if the control statement at the end of the
15737 block is data dependent on other statements in the same block.
15738 (record_temporary_equivalences_from_stmts): Remove over-conservative
15739 test for threading across backedges.
15741 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
15742 control statement, handle all three special cases in the same
15743 manner as they all have the same desired solution. No longer
15744 special case edge flag updating when the post dominator is
15747 2006-02-08 Roger Sayle <roger@eyesopen.com>
15749 * tree.def (CHAR_TYPE): Remove.
15750 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
15751 * dwarf2out.c (base_type_die, is_base_type): Likewise.
15752 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
15753 (gen_string_type_die): Delete unreachable function.
15755 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
15756 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
15757 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
15758 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
15759 * builtins.c (type_to_class): Likewise.
15760 * fold-const.c (fold_convert, build_range_check,
15761 merge_ranges): Likewise.
15762 * expr.c (count_type_elements): Likewise.
15763 * c-pretty-print.c (pp_c_type_specifier): Likewise.
15764 * stor-layout.c (layout_type): Likewise.
15765 * ipa-type-escape.c (type_to_consider): Likewise.
15766 * gimplify.c (omp_firstprivatize_type_sizes,
15767 gimplify_type_sizes): Likewise.
15768 * explow.c (promote_mode): Likewise.
15769 * tree-sra.c (is_sra_scalar_type): Likewise.
15770 * varasm.c (output_constant): Likewise.
15771 * tree-inline.c (remap_type_1): Likewise.
15772 * convert.c (convert_to_pointer, convert_to_real,
15773 convert_to_integer, convert_to_complex): Likewise.
15775 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
15777 * df-scan.c (df_def_record_1): A set destination may
15778 be a parallel regardless of mode.
15780 2006-02-08 Roger Sayle <roger@eyesopen.com>
15783 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
15784 * config/mips/_tilib.c: Remove.
15785 * config/fixtfdi.c: New libgcc source file.
15786 * config/fixunstfdi.c: New source file.
15787 * config/floatditf.c: New source file.
15788 * config/floatunditf.c: New souce file.
15789 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
15790 files above instead of config/mips/_tilib.c.
15791 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
15793 2006-02-08 Jeff Law <law@redhat.com>
15795 PR tree-optimization/26169
15796 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
15799 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
15801 * df.h (DF_REG_SIZE): Return the length of the initialized
15804 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
15806 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
15807 __muldf3): Return a correctly signed zero.
15809 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
15811 * passes.c (register_one_dump_file): Accept the current properties
15812 instead of pass number. Adjust call to dump_register. Remove
15814 (register_dump_files): Now a wrapper around...
15815 (register_dump_files_1): ... this one. Do not modify the pass
15817 (next_pass_1): Cosmetic fix.
15818 (execute_todo): Keep second parameter only. Use curr_properties
15819 instead of fetching it from the pass structure. Check and set
15821 (execute_one_pass): Handle TODO_set_props. Use curr_properties
15822 instead of fetching it from the pass structure. Fix calls to
15823 execute_todo. Update curr_properties and initialize .vcg RTL dump
15824 after running the pass. Reset last_verified.
15825 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
15827 (FIRST_AUTO_NUMBERED_DUMP): New.
15828 (dump_register): Remove "num" parameter, assign it within the
15830 (get_dump_file_name): Modify template for dumps.
15831 * tree-dump.h (dump_register): Adjust prototype.
15832 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
15833 (PROP_trees): Add PROP_gimple_lomp.
15834 (TODO_set_props): New.
15835 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
15836 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
15837 * cfgexpand.c (pass_expand): Destroy PROP_trees.
15839 2006-02-08 Jakub Jelinek <jakub@redhat.com>
15841 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
15842 (sparc64-*-linux*): Likewise.
15843 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
15844 * config/sparc/t-linux: New file.
15845 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
15846 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
15847 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
15848 -m32 -mlong-double-128.
15850 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
15851 * config/alpha/t-linux: New file.
15852 * config/alpha/libgcc-alpha-ldbl.ver: New file.
15854 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
15855 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
15856 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
15857 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
15858 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
15859 (CPP_ARCH32_SPEC): Remove.
15861 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
15863 PR tree-optimization/26145
15864 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
15867 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15870 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
15871 >= 240000 when generating code for SOM runtime.
15872 (output_indirect_call): Don't use "b,l" instruction for indirect calls
15873 to $$dyncall when generating code for SOM runtime..
15875 2006-02-07 Dirk Mueller <dmueller@suse.com>
15878 * doc/invoke.texi (-Wsequence-point): Update documentation
15879 that -Wsequence-point is implemented for C++ as well.
15881 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15883 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
15884 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
15885 (LIB_SPEC): Likewise.
15886 * doc/invoke.texi (SPARC options): Document -pthread.
15888 2006-02-07 Geoffrey Keating <geoffk@apple.com>
15890 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
15893 2006-02-07 Roger Sayle <roger@eyesopen.com>
15895 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
15896 Correct comment describing BOOLEAN_TYPE.
15898 2006-02-07 Dirk Mueller <dmueller@suse.com>
15900 * c.opt: C++ frontend supports -Wdiv-by-zero.
15901 * c-opts.c (c_common_handle_option): Remove dead case.
15903 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15905 * configure.ac (TLS assembler check): Do not enable TLS by
15906 default on SPARC/Solaris before version 10.
15907 * configure: Regenerate.
15909 2006-02-07 David Edelsohn <edelsohn@gnu.org>
15911 * doc/invoke.texi (xl-compat): Document conversion and support
15914 2006-02-07 Jeff Law <law@redhat.com>
15916 * tree-vrp.c (find_conditional_asserts): Update comments.
15917 (simplify_stmt_for_jump_threading): New.
15918 (identify_jump_threads, finalize_jump_threads): New.
15919 (vrp_finalize): Call identify_jump_threads.
15920 (execute_vrp): Call finalize_jump_threads.
15921 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
15922 (vrp_element, vrp_data, vrp_element_p): Remove.
15923 (vrp_hash_elt, vrp_variables_stack): Remove.
15924 (vrp_hash, vrp_eq, record_range): Remove.
15925 (simplify_cond_and_lookup_avail_expr): Remove.
15926 (extract_range_from_cond): Remove.
15927 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
15928 (simplify_stmt_for_jump_threading): New.
15929 (dom_thread_across_edge): New wrapper.
15930 (tree_ssa_dominator_optimize): No longer initialize or
15931 finalize any of the VRP datastructures. Remove iteration
15932 step and simplify as a result of removal of iteration step.
15933 (pass_dominator): Perform a cfg cleanup after DOM.
15934 (dom_opt_finalize_block): Use the new common routines
15935 for threading jumps. Simplify stack management slightly.
15936 No longer need to unwind VRP state.
15937 (record_equivalences_from_incoming_edge): No longer record
15939 (eliminate_redundant_computations): No longer call
15940 simplify_cond_and_lookup_avail_expr.
15941 * tree-flow.h (potentially_threadable_block): Prototype.
15942 (thread_across_edge): Likewise.
15943 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
15944 (tree-ssa-threadedge.o): Add dependencies.
15945 * tree-ssa-threadedge.c: New file.
15946 * passes.c (init_optimization_passes): Merge PHIs before
15947 calling VRP. Run VRP again late in the SSA optimization pipeline.
15949 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15951 * df-core.c (df_set_blocks): Do not dereference function pointers.
15952 (df_finish1): Likewise.
15953 (df_hybrid_search_forward): Likewise.
15954 (df_hybrid_search_backward): Likewise.
15955 (df_iterative_dataflow): Likewise.
15956 (df_analyze_problem): Likewise.
15957 (df_compact_blocks): Likewise.
15958 (df_dump): Likewise.
15959 * df-scan.c (df_rescan_blocks): Likewise.
15960 (df_record_entry_block_defs): Likewise.
15962 * genconditions.c (write_conditions): Guard the definition of
15963 'insn_conditions' with the check on GCC version.
15964 (write_writer): Guard the traversal 'insn_conditions' with
15965 the check on GCC version.
15967 2006-02-07 Richard Guenther <rguenther@suse.de>
15971 2006-01-30 Richard Guenther <rguenther@suse.de>
15973 * gimplify.c (gimplify_target_expr): Handle easy cases
15974 without creating a temporary.
15976 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
15978 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
15979 use of float in probability computations. Use edge probabilities
15980 in place of statically computed probabilities.
15981 (min_spec_prob): New static variable.
15982 (schedule_insns): Initialize it.
15983 (GET_SRC_PROB): Removed.
15984 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
15986 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
15989 * config/ia64/unwind-ia64.c: Revert last change.
15990 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
15991 (INCOMING_FRAME_SP_OFFSET): Define.
15993 2006-02-06 Roger Sayle <roger@eyesopen.com>
15995 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
15997 2006-02-07 Ben Elliston <bje@au.ibm.com>
15999 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
16000 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
16001 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
16002 (ix86_return_in_memory): Handle TDmode.
16003 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
16004 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
16006 2006-02-06 Richard Sandiford <richard@codesourcery.com>
16008 * reorg.c (dbr_schedule): Use dump_file instead of file.
16010 2006-02-06 Steve Ellcey <sje@cup.hp.com>
16013 * config/ia64/predicates.md (extr_len_operand): New predicate.
16014 * config/ia64/ia64.md (extv): Tighten constraints.
16016 (*tbit_and_2): Ditto.
16017 (*tbit_and_3): Ditto.
16018 (*tbit_or_2): Ditto.
16019 (*tbit_or_3): Ditto.
16020 (*bit_zero): Ditto.
16023 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
16026 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
16028 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
16030 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
16031 loop_optimizer_init and loop_optimizer_finalize
16032 * tree-ssa-sink.c (execute_sink_code): Ditto.
16033 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
16034 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
16035 tree_ssa_loop_done): Ditto.
16036 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
16037 * sched-ebb.c: Include output.h.
16038 (schedule_ebbs): Do not use dump argument.
16039 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
16040 * loop.c (loop_dump_stream): Removed.
16041 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
16043 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
16044 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
16045 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
16046 loop_iterations, strength_reduce, record_biv, record_giv,
16047 final_giv_value, check_final_value, check_ext_dependent_givs,
16048 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
16049 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
16050 dump_file instead of loop_dump_stream.
16051 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
16052 argument dump_file.
16053 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
16055 * flow.c (life_analysis, rest_of_handle_life): Ditto.
16056 * haifa-sched.c: Include output.h
16057 (schedule_insns, sched_init): Do not use dump argument.
16058 * mode-switching.c (optimize_mode_switching): Ditto.
16059 * modulo-sched.c (stats_file): Removed.
16060 (print_node_sched_params): Do not call argument dump_file.
16061 (sms_schedule_by_order, loop_canon_p, sms_schedule,
16062 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
16064 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
16066 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
16067 rtl_loop_init, rtl_loop_done): Ditto.
16068 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
16069 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
16071 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
16072 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
16073 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
16074 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
16075 * emit-rtl.c (renumber_insns): Ditto.
16076 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
16077 expand_gimple_basic_block, tree_expand_cfg): Ditto.
16078 * regclass.c (regclass): Ditto.
16079 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
16080 remove_ssa_form, rewrite_out_of_ssa): Ditto.
16081 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
16082 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
16084 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
16085 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
16087 * gcse.c (gcse_file, debug_stderr): Removed.
16088 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
16089 rest_of_handle_gcse): Do not use dump argument.
16090 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
16091 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
16092 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
16093 compute_code_hoist_vbeinout, compute_code_hoist_data,
16094 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
16095 compute_store_table, build_store_vectors, insert_insn_start_bb,
16096 insert_store, remove_reachable_equiv_notes, replace_store_insn,
16097 store_motion): Use dump_file instead of gcse_file.
16098 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
16099 * profile.c (profile_dump_file): Removed.
16100 (branch_prob): Use dump_file instead of profile_dump_file.
16101 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
16103 * tree-ssa-copy.c (dump_copy_of): Ditto.
16104 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
16105 dump file to life_analysis.
16106 * bt-load.c (branch_target_load_optimize): Ditto.
16107 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
16109 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
16110 regclass, dbr_schedule): Declaration changed.
16111 * sched-int.h (sched_init): Declaration changed.
16112 * tree-profile.c (tree_profile_dump_file): Removed.
16113 (tree_profile_hooks): Removed profile_dump_file hook.
16114 * rtl-profile (rtl_profile_dump_file): Removed.
16115 (rtl_profile_hooks): emoved profile_dump_file hook.
16116 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
16118 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
16119 * tree-cfg.c (build_tree_cfg): Ditto.
16120 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
16121 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
16122 Declaration changed.
16123 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
16124 life_analysis and schedule_insns.
16125 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
16127 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
16129 * config/mips/mips.c (mips_reorg): Ditto.
16130 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
16133 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
16135 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16136 (s390_mangle_fundamental_type): New.
16137 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16140 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16141 (alpha_mangle_fundamental_type): New.
16142 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16145 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16147 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16149 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16150 (sparc_mangle_fundamental_type): New.
16152 2006-02-06 Jakub Jelinek <jakub@redhat.com>
16154 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
16155 (s390x-*-linux*): Likewise.
16156 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
16157 * config/s390/t-linux: New file.
16159 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16161 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
16162 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
16164 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
16166 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
16167 (ANTIC_SAFE_LOADS): New macro.
16168 (find_or_generate_expression): Add prototype.
16169 (set_contains_value): Allow null set for sake of not always having
16170 to allocate ANTIC_SAFE_LOADS.
16171 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
16172 Allow COMPONENT_REF too.
16173 (valid_in_set): Allow COMPONENT_REF.
16174 Check ANTIC_SAFE_LOADS too.
16175 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
16176 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
16178 (can_PRE_operation): Add COMPONENT_REF.
16179 (create_component_ref_by_pieces): New function.
16180 (create_expression_by_pieces): Use create_component_ref_by_pieces.
16181 (insert_aux): Move AGGREGATE_TYPE_P check here.
16182 (compute_avail): Set bb local stmt uids.
16183 (pass_pre): Use TODO_update_ssa_only_virtuals.
16185 2006-02-06 Ben Elliston <bje@au.ibm.com>
16187 * configure.ac: Unconditionally disable decimal float by default.
16188 * configure: Regenerate.
16190 2006-02-06 Ben Elliston <bje@au.ibm.com>
16192 * read-rtl.c (read_name): Terminate reading on EOF.
16194 2006-02-06 Ben Elliston <bje@au.ibm.com>
16196 * dfp.c (decimal_real_arithmetic): Change second argument type
16197 from int to enum tree_code. Do not always return true, but now
16198 return result of any call to decimal_do helper functions.
16199 * dfp.h (decimal_real_arithmetic): Update prototype.
16201 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
16203 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
16205 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
16208 * tree-cfg.c (cleanup_dead_labels): Also don't remove
16211 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16213 * tree-vrp.c (cfg_loops): Removed.
16214 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
16215 Use current_loops instead of cfg_loops. Pass flags to
16216 loop_optimizer_init.
16217 * cfgloopmanip.c (fix_loop_structure): Update only available
16219 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
16220 loop_optimizer_init.
16221 * modulo-sched.c (build_loops_structure): Removed.
16222 (sms_schedule): Use loop_optimizer_init.
16223 * loop-init.c (loop_optimizer_init): Use flags to determine
16224 which properties of loops to prepare.
16225 (rtl_loop_init): Pass flags to loop_optimizer_init.
16226 * tree-ssa-sink.c (execute_sink_code): Ditto.
16227 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
16228 * tree-ssa-pre.c (init_pre): Ditto.
16229 * cfgloop.h (LOOPS_NORMAL): New.
16230 (loop_optimizer_init): Declaration changed.
16232 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16234 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
16235 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
16237 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
16239 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
16241 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
16242 * pa/t-pa64: Delete quadlib.c rule.
16243 * pa/x-ada: Revert last change.
16244 * pa/t-pa: Revert last change. Delete quadlib.c rule.
16246 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16248 PR rtl-optimization/26087
16249 * rtlanal.c (canonicalize_condition): Do not cross basic block
16252 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
16255 * config/ia64/ia64.c: Include debug.h.
16256 (MAX_ARTIFICIAL_LABEL_BYTES): New.
16257 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
16258 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
16259 (process_epilogue, process_set, process_for_unwind_directive):
16260 Output unwind info only if requested. Add CFA info if requested.
16261 Add new arguments as needed. Adjust callers.
16262 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
16264 (DWARF2_FRAME_INFO): Define to zero.
16265 * config/ia64/unwind-ia64.c: Remove code that compensated for
16266 the CFA offset error fixed above.
16267 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
16268 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
16269 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
16270 -funwind-tables and -fexceptions to enable frame info.
16271 (dwarf2out_frame_init): Define initial CFA even if
16272 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
16273 DWARF2_UNWIND_INFO is nonzero, not just defined.
16274 (dwarf2out_frame_finish): Output non-EH call frame info only
16275 if DWARF2_FRAME_INFO is nonzero.
16276 (convert_cfa_to_loc_list,
16277 compute_frame_pointer_to_cfa_displacement): Define even if
16278 unwind info is not supported.
16279 (gen_subprogram_die): Use the above unconditionally. Remove
16280 legacy alternate code.
16281 * toplev.c (compile_file): Compile in call to
16282 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
16283 (lang_dependent_init): Ditto for dwarf2out_frame_init.
16285 2006-02-04 David Edelsohn <edelsohn@gnu.org>
16286 Jakub Jelinek <jakub@redhat.com>
16288 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
16289 IBM extended float format long double as "g" on powerpc*-linux.
16291 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16294 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
16295 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
16297 2006-02-03 Jason Merrill <jason@redhat.com>
16300 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
16302 PR middle-end/25977
16303 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
16304 on the return slot if it's an NRV.
16306 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
16308 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
16309 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
16310 rewrite_use): Do not handle USE_OUTER.
16311 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
16312 add_iv_outer_candidates, may_replace_final_value,
16313 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
16314 (find_interesting_uses_op): Functionality of
16315 find_interesting_uses_outer_or_nonlin moved here.
16316 (find_interesting_uses_outside): Use find_interesting_uses_op.
16318 2006-02-03 Alan Modra <amodra@bigpond.net.au>
16321 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
16323 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
16324 Ulrich Weigand <uweigand@de.ibm.com>
16327 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
16328 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
16329 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
16330 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
16332 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
16333 (s390_rtx_costs): Use the new fields to calculate rtx costs.
16334 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
16335 Define secondary reloads for TFmode moves.
16336 (constant_modes): Add TFmode.
16337 (NR_C_MODES): Set to 8.
16338 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
16340 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
16341 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
16342 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
16343 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
16344 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
16345 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
16346 (FPR mode macro): Add TFmode.
16347 (DSF mode macro): New.
16348 (<de>, <dee> mode attributes): Removed.
16349 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
16350 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
16351 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
16352 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
16353 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
16354 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
16355 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
16356 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
16357 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
16358 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
16359 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
16360 "*negabs<mode>2", "sqrt<mode>2"):
16361 Changed <de> to <xde>. R constraint replaced by <Rf>.
16362 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
16364 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
16365 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
16366 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
16368 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
16369 "extenddftf2", "extendsftf2"): New expanders.
16370 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
16371 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
16372 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
16373 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
16375 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
16376 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
16377 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
16378 __floatditf): Add a GCC_4.1.0 symbol version tag.
16379 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
16382 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
16385 * config/i386/i386.c (ix86_function_ok_for_sibcall):
16386 Use targetm.binds_local_p instead of TREE_PUBLIC.
16388 2006-02-02 Roger Sayle <roger@eyesopen.com>
16390 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
16391 on INTEGER_TYPEs to indicate that it denotes a character type.
16392 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
16393 signed_char_type_node, unsigned_char_type_node and char_type_node.
16394 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
16395 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
16396 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
16398 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
16399 Daniel Berlin <dberlin@dberlin.org>
16401 * tree-tailcall.c (arg_needs_copy_p): New function.
16402 (eliminate_tail_call): Use arg_needs_copy_p.
16403 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
16404 (add_virtual_phis): New function.
16406 2006-02-02 Jakub Jelinek <jakub@redhat.com>
16408 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
16409 #ignore instead of #scratch for %g7 .register directive.
16411 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
16413 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
16416 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16418 * flow.c (calculate_global_regs_live): Assert that there aren't any
16421 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
16423 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
16424 what its name says.
16425 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
16426 bsi_after_labels iterator.
16427 * tree-if-conv.c (find_phi_replacement_condition,
16428 replace_phi_with_cond_modify_expr): Likewise.
16429 * tree-scalar-evolution.c (scev_const_prop): Likewise.
16430 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
16432 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16434 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
16436 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16439 * tree-cfg.c (move_block_to_fn): Clear out the basic block
16440 array after growing it.
16442 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16444 PR middle-end/24901
16445 * fold-const.c (fold_checksum_tree): Change type of buf.
16447 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
16449 * reload.c (push_secondary_reload): Initialize t_icode.
16451 2006-02-01 Jakub Jelinek <jakub@redhat.com>
16453 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
16454 -msoft-float -mlong-double-128 only issue a warning, but don't
16455 swich to DFmode long double.
16457 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
16459 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
16460 has a constant equivalent, iterate over equivalents for arg0,
16461 calling simplify_relational_operation and if there's a result
16462 cheaper than X, apply fold_rtx and return the result.
16464 2006-02-01 Jan Hubicka <jh@suse.cz>
16466 * opts.c (no_unit_at_a_time_default): New global variable.
16467 (decode_options): Use it.
16468 * opts.h (no_unit_at_a_time_default): Declare.
16470 2006-02-01 Paul Brook <paul@codesourcery.com>
16472 * function.c (assign_parm_setup_reg): Use function argument promotion
16474 * expr.c (expand_expr_real_1): Use function argument promotion rules
16477 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16479 * gcc.c (process_command): Change j to 'unsigned int'.
16481 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16483 PR middle-end/26001
16484 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
16485 Use the corrected index for the character
16486 out of the string constant.
16488 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16490 * mode-switching.c (optimize_mode_switching): Fix size
16491 allocated for bb_info[n_entities].
16493 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16495 * gcc.c (main): Correct type that is allocated for
16496 explicit_link_files.
16498 2006-01-31 Jakub Jelinek <jakub@redhat.com>
16500 * config/s390/s390.c (init_alignment_context): Set
16501 ALIAS_SET_MEMORY_BARRIER on the MEM.
16502 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
16504 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
16506 PR middle-end/25933
16507 * loop-unroll.c (unroll_loop_runtime_iterations): Free
16509 * tree-ssa-live.c (type_var_init): Allocate bitmap after
16512 2006-01-31 Marcin Dalecki <martin@dalecki.de>
16514 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
16515 * regrename.c: Ditto.
16516 * tree-ssa-loop-im.c: Ditto.
16517 * tree-dump.c: Ditto.
16518 * tree-complex.c: Ditto.
16519 * genrecog.c: Ditto.
16520 * tree-ssa-threadupdate.c: Ditto.
16522 * java/class.c: Ditto.
16523 * java/jcf-parse.c: Ditto.
16524 * java/resource.c: Ditto.
16525 * java/except.c: Ditto.
16526 * java/jvspec.c: Ditto.
16527 * java/jcf-write.c: Ditto.
16528 * java/jcf-path.c: Ditto.
16529 * java/gjavah.c: Ditto.
16530 * java/zextract.c: Ditto.
16531 * java/jcf-io.c: Ditto.
16532 * java/jcf.h: Ditto.
16533 * java/buffer.c: Ditto.
16534 * java/lang.c: Ditto.
16535 * java/parse-scan.y: Ditto.
16536 * java/lex.c: Ditto.
16537 * java/lex.h: Ditto.
16538 * cfgloopmanip.c: Ditto.
16539 * postreload-gcse.c: Ditto.
16540 * tree-ssa-loop-manip.c: Ditto.
16541 * postreload.c: Ditto.
16542 * tree-ssa-loop-ch.c: Ditto.
16545 * cppspec.c: Ditto.
16546 * diagnostic.c: Ditto.
16548 * genoutput.c: Ditto.
16550 * cfghooks.c: Ditto.
16551 * cfgloopanal.c: Ditto.
16552 * objc/objc-act.c: Ditto.
16554 * genextract.c: Ditto.
16555 * genautomata.c: Ditto.
16556 * pretty-print.c: Ditto.
16557 * genemit.c: Ditto.
16558 * cgraphunit.c: Ditto.
16560 * df-scan.c: Ditto.
16561 * haifa-sched.c: Ditto.
16562 * dominance.c: Ditto.
16564 * tree-ssa-loop-ivopts.c: Ditto.
16565 * df-core.c: Ditto.
16566 * mode-switching.c: Ditto.
16567 * modulo-sched.c: Ditto.
16569 * ipa-pure-const.c: Ditto.
16571 * fix-header.c: Ditto.
16573 * tree-stdarg.c: Ditto.
16574 * ipa-utils.c: Ditto.
16575 * loop-init.c: Ditto.
16576 * ipa-inline.c: Ditto.
16577 * cfganal.c: Ditto.
16579 * alloc-pool.c: Ditto.
16580 * dwarf2out.c: Ditto.
16582 * genattrtab.c: Ditto.
16583 * tree-ssa-loop-ivcanon.c: Ditto.
16584 * predict.c: Ditto.
16585 * timevar.c: Ditto.
16587 * fortran/gfortranspec.c: Ditto.
16588 * regmove.c: Ditto.
16589 * local-alloc.c: Ditto.
16590 * langhooks.c: Ditto.
16591 * function.c: Ditto.
16592 * tree-vectorizer.c: Ditto.
16594 * ipa-type-escape.c: Ditto.
16596 * tree-if-conv.c: Ditto.
16597 * profile.c: Ditto.
16599 * tree-data-ref.c: Ditto.
16600 * loop-unroll.c: Ditto.
16601 * treelang/treetree.c: Ditto.
16603 * bt-load.c: Ditto.
16604 * ggc-common.c: Ditto.
16606 * coverage.c: Ditto.
16608 * tree-cfgcleanup.c: Ditto.
16609 * tree-ssa-pre.c: Ditto.
16610 * cfgcleanup.c: Ditto.
16611 * loop-invariant.c: Ditto.
16612 * loop-iv.c: Ditto.
16613 * ipa-prop.c: Ditto.
16614 * print-tree.c: Ditto.
16615 * conflict.c: Ditto.
16616 * ggc-page.c: Ditto.
16617 * sched-deps.c: Ditto.
16618 * regclass.c: Ditto.
16619 * tree-object-size.c: Ditto.
16620 * combine.c: Ditto.
16621 * bb-reorder.c: Ditto.
16622 * resource.c: Ditto.
16623 * var-tracking.c: Ditto.
16624 * cfgloop.c: Ditto.
16625 * df-problems.c: Ditto.
16626 * reg-stack.c: Ditto.
16628 * gccspec.c: Ditto.
16629 * sched-rgn.c: Ditto.
16630 * tree-ssa-structalias.c: Ditto.
16631 * tree-ssa-reassoc.c: Ditto.
16632 * config/darwin-c.c: Ditto.
16633 * config/darwin.c: Ditto.
16634 * config/arm/arm.c: Ditto.
16636 * collect2.c: Ditto.
16637 * reload1.c: Ditto.
16639 2006-01-31 Nicolas Pitre <nico@cam.org>
16641 * arm.md (smaxsi3): Make aware of smax_m1.
16644 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
16646 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
16648 2006-01-31 Richard Guenther <rguenther@suse.de>
16650 * doc/invoke.texi (-msselibm): Document.
16651 * target.h (expand_library_builtin): New target hook.
16652 * builtins.c (expand_builtin): Use expand_library_builtin.
16653 (default_expand_library_builtin): New function.
16654 * gcc.c (LINK_GCC_MATH_SPEC): Define.
16655 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
16656 (link_gcc_math_spec): Declare.
16657 (static_specs): Add link_gcc_math_spec.
16658 * expr.h (default_expand_library_builtin): Declare.
16659 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16660 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
16661 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
16662 * config/i386/i386.opt (msselibm): New target option.
16663 * config/i386/i386.c (ix86_builtin_function_variants): New array.
16664 (ix86_init_sse_abi_builtins): New function.
16665 (ix86_expand_library_builtin): Likewise.
16666 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16667 (override_options): Handle error conditions wrt -msselibm.
16668 (ix86_builtins): Add function codes for SSE2 ABI builtins.
16669 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
16670 * doc/extend.texi (__builtin_sse2_*): Document new target specific
16673 2006-01-31 Richard Guenther <rguenther@suse.de>
16674 Paolo Bonzini <bonzini@gnu.org>
16676 * doc/install.texi (--disable-libgcc-math): Document.
16678 2006-01-30 Marcin Dalecki <martin@dalecki.de>
16680 * expr.h (expand_normal): new inline function.
16681 * builtins.c: use it, use EXPAND_NORMAL explicitely.
16682 * dojump.c: use it.
16683 * dwarf2out.c: use it.
16686 * expmed.c: use it.
16687 * except.c: use it.
16688 * config/sparc/sparc.c: use it.
16689 * config/i386/i386.c: use it.
16690 * config/rs6000/rs6000.c: use it.
16691 * config/arm/arm.c: use it.
16692 * config/mips/mips.c: use it.
16693 * stmt.c: use it, use EXPAND_NORMAL explicitely.
16695 2006-01-30 Roger Sayle <roger@eyesopen.com>
16697 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
16698 argv to the appropriate type.
16700 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
16702 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
16705 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
16708 * config/s390/s390.c (struct machine_function): New flag
16709 decomposed_literal_pool_addresses_ok_p.
16710 (s390_reorg): Set it before final stage of literal pool transforms.
16711 (s390_decompose_address): Only accept displacements of the form
16712 (minus (label_ref ...) (label_ref ...)) if that flag is set.
16714 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
16716 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
16717 the comparison routine return.
16719 2006-01-30 Michael Matz <matz@suse.de>
16721 * global.c (find_reg): Only evict for global regs.
16722 Take n_refs into account and dump more info.
16724 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
16727 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
16728 (pragma_trap, pragma_nosave_low_regs): Likewise.
16729 (current_function_anonymous_args): Likewise.
16730 (sh_deferred_function_attributes): New variable.
16731 (sh_deferred_function_attributes_tail): Likewise.
16732 (print_operand): For '@', look up trap_exit attribute.
16733 (calc_live_regs): Look up trapa_handler attribute. For trapa
16734 handlers, save/restore fpscr, but don't do any other
16735 interrupt-specific saves.
16736 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
16737 Fix check for partially saved registers to check for SHmedia.
16738 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
16739 (sh_output_function_epilogue): Don't clear any of the removed
16741 (sh_insert_attributes): Don't check pragma_interrupt.
16742 Insert deferred attributes. Check that interrupt attribute is
16743 present for other attributes that require its presence.
16744 (sh_attribute_table): Add new attributes trapa_handler and
16746 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
16747 Don't check for pragma_interrupt. Don't store argument.
16748 * sh.h (pragma_interrupt, sp_switch): Don't declare.
16749 (sh_deferred_function_attributes): Declare.
16750 (sh_deferred_function_attributes_tail): Likewise.
16751 * sh.md (sp_switch_1): Add operand. Change generator caller.
16752 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
16753 (*return_i): Don't use when trap_exit attribute is in effect.
16754 (*return_trapa): New insn pattern.
16755 * sh-c.c: New file.
16756 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
16757 setting c_target_objs and cxx_target_objs.
16758 * t-sh: Add rule for sh-c.o.
16760 2006-01-30 Richard Guenther <rguenther@suse.de>
16763 * gimplify.c (gimplify_target_expr): Handle easy cases
16764 without creating a temporary.
16766 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
16768 * vec.h (safe_grow): Remove duplicated line.
16770 2006-01-29 Diego Novillo <dnovillo@redhat.com>
16773 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
16774 (expand_omp): ... here.
16775 (expand_omp_parallel): Only remove barriers for combined
16776 parallel+workshare constructs.
16778 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
16782 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
16783 * tree.c (build_qualified_type): Chain the new type to the original
16784 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
16785 a POINTER_TYPE or a REFERENCE_TYPE respectively.
16786 (build_pointer_type_for_mode): Only return unqualified types.
16787 (build_reference_type_for_mode): Likewise.
16789 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
16791 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
16792 * Makefile.in (CXX_COMPAT_WARN): Define.
16793 * configure: Regenerate.
16795 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
16798 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
16801 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16803 * toplev.c: Fix thinko.
16805 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16806 Marcin Dalecki <martin@dalecki.de>
16808 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
16809 (push_srcloc): Use XNEW.
16810 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
16812 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
16814 * df-core.c (df_set_blocks): Deleted all variable.
16816 2006-01-28 Ian Lance Taylor <ian@airs.com>
16818 * cgraphunit.c (cgraph_assemble_pending_functions): Call
16819 cgraph_output_pending_asms.
16821 2006-01-28 Zack Weinberg <zackw@panix.com>
16823 * c.opt: Add -W(no-)overlength-strings.
16824 * doc/invoke.texi: Document it.
16825 * c-opts.c (c_common_handle_option): -pedantic implies
16826 -Woverlength-strings, if not explicitly disabled already.
16827 (c_common_post_options): -Woverlength-strings defaults to off, and
16828 is always off for C++.
16829 * c-common.c (fix_string_type): Issue warning about strings longer
16830 than is portable only if warn_overlength_strings. Rearrange code
16831 a little for clarity.
16832 * configure.in: Check for -Wno-overlength-strings as well before
16833 enabling -pedantic in stage 1.
16834 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
16835 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
16837 * genconditions.c (write_header, write_one_condition)
16838 (write_conditions, write_writer): Consolidate very long strings
16839 that were broken up to fit in C89 portable limit. Don't use
16840 printf when fputs will do.
16842 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
16844 * combine.c (simplify_comparison <AND>): Check
16845 TRULY_NOOP_TRUNCATION before start using a subreg.
16847 * config/mips/mips.md (*branch_zero<mode>,
16848 *branch_zero<mode>_inverted, *branch_equality<mode>,
16849 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
16850 Remove mode check from comparisons.
16852 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
16854 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
16856 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16858 * expmed.c (const_mult_add_overflow_p): Remove.
16859 * expr.h: Remove the prototype for const_mult_add_overflow_p.
16861 * recog.c (validate_replace_rtx_subexp): Remove.
16862 * recog.h: Remove the prototype for
16863 validate_replace_rtx_subexp.
16865 * integrate.h: Remove the prototype for
16866 copy_decl_for_inlining.
16867 * rtl.h: Remove the prototype for mark_constant_function.
16868 * tree-vectorizer.h: Remove the prototype for
16869 vect_strip_conversion.
16871 * modulo-sched.c (create_partial_schedule,
16872 free_partial_schedule, reset_partial_schedule): Make them
16875 * hooks.c (hook_bool_rtx_int_false): Remove.
16876 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
16878 2006-01-28 David Edelsohn <edelsohn@gnu.org>
16880 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16881 and -mlong-double-128 are incompatible.
16882 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
16883 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
16884 (TARGET_LIBGCC2_CFLAGS): Define.
16885 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
16886 (TARGET_LIBGCC2_CFLAGS): Same.
16887 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
16889 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16892 * c-typeck.c (build_binary_op): Perform implicit casts of
16893 operands before shortening them.
16895 * cfgloopmanip.c (split_loop_bb): Remove.
16896 * cfgloop.h: Remove the prototype for split_loop_bb.
16898 * cfgloop.c (flow_loop_outside_edge_p): Remove.
16899 * cfgloop.h: Remove the prototype for
16900 flow_loop_outside_edge_p.
16902 * emit-rtl.c (init_virtual_regs): Make it static.
16903 * function.h: Remove the prototype for init_virtual_regs.
16905 * recog.c (peephole2_optimize): Make it static.
16906 * recog.h: Remove the prototype for peephole2_optimize.
16908 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16910 * df-scan.c (df_record_entry_block_defs): Check if
16911 INCOMING_RETURN_ADDR_RTX is defined.
16913 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
16914 Kenneth Zadeck <zadeck@naturalbridge.com>
16916 PR rtl-optimization/24762
16917 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16918 * targhooks.c (hook_void_bitmap): New hook prototype.
16919 * targhoohs.h (hook_void_bitmap): Ditto.
16920 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
16921 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
16922 * target.h (live_on_entry): New function pointer.
16923 * df-scan.c (df_all_hard_regs): Removed.
16924 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
16925 (df_scan_free_internal): Added df->entry_block_defs.
16926 (df_scan_alloc): Ditto.
16927 (df_scan_dump): Ditto.
16928 (df_uses_record): Plumbed flag field properly thru calls.
16929 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
16930 This part fixes PR24762.
16931 (df_bb_refs_record): Added code to make the frame and arg
16932 pointers live in EH blocks.
16933 (df_refs_record): Added call to df_record_entry_block_defs.
16934 (df_record_entry_block_defs): New function.
16935 * df-core.c: Added comments to describe new artifical defs.
16936 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
16937 (entry_block_defs): New field in struct df.
16938 (df_all_hard_regs): Deleted.
16939 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16940 * df-problems.c (df_ru_bb_local_compute_process_def):
16941 Added code to handle artifical defs in the entry to a function.
16942 (df_ru_bb_local_compute): Ditto.
16943 (df_rd_bb_local_compute_process_def): Ditto.
16944 (df_rd_bb_local_compute): Ditto.
16945 (df_lr_bb_local_compute): Ditto.
16946 (df_ur_bb_local_compute): Ditto.
16947 (df_urec_bb_local_compute): Ditto.
16948 (df_chain_create_bb): Ditto.
16949 (df_ur_local_finalize): Removed entry.
16950 (df_urec_init): Ditto.
16951 (df_urec_local_finalize): Ditto.
16952 (df_ri_bb_compute): Added detection of last use of pseudos.
16953 * Makefile.in (df-scan.o): Updated dependencies.
16954 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
16955 * config/mips/mips.c (mips_set_live_on_entry): Added.
16956 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
16958 * dce.c (marked_insn_p): Added code to handle artifical defs.
16960 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16962 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
16964 (_mm_cvtsi128_si64): Likewise.
16965 (_mm_cvtsd_si64): Likewise.
16966 (_mm_cvttsd_si64): Likewise.
16967 (_mm_cvtsi64_sd): Likewise.
16968 (_mm_cvtsi64_si128): Likewise.
16969 * config/i386/mmintrin.h (_m_from_int64): Likewise.
16970 (_mm_cvtsi64_m64): Likewise.
16971 (_m_to_int64): Likewise.
16972 (_mm_cvtm64_si64): Likewise.
16973 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
16974 (_mm_cvttss_si64): Likewise.
16975 (_mm_cvtsi64_ss): Likewise.
16976 (_mm_cvtss_f32): Likewise.
16978 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
16980 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
16981 for pragma redefine_extname.
16983 2006-01-27 Jakub Jelinek <jakub@redhat.com>
16986 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
16987 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
16988 -mno-minimal-toc to previous content.
16989 (bispecs): Remove goal.
16990 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
16991 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
16992 compatibility aliases on powerpc-*-*gnu*.
16993 * config/rs6000/libgcc-ppc-glibc.ver: New file.
16994 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
16995 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
16996 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
16997 (ldblspecs): New goal.
16998 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
16999 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
17001 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
17002 L_sf_to_tf or L_df_to_tf is defined.
17004 2006-01-27 David Edelsohn <edelsohn@gnu.org>
17005 Alan Modra <amodra@bigpond.net.au>
17008 * config/rs6000/linux.h (POWERPC_LINUX): Define.
17009 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
17010 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
17011 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
17012 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
17013 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
17014 (rs6000_override_options): Initialize rs6000_ieeequad.
17015 Initialize TFmode format to ibm_extended_format if not
17017 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
17019 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
17020 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
17021 (function_arg_advance): IBM long double passed in two FPRs, not
17023 (function_arg): IBM long double passed in FPRs.
17024 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
17025 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
17026 Only multireg GPR aligned.
17027 (rs6000_init_libfuncs): Enable IBM long double functions if not
17029 (rs6000_generate_compare): Use IBM long double compare if not
17031 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
17032 (TARGET_IEEEQUAD): Define.
17033 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
17034 not TARGET_IEEEQUAD.
17035 * config/rs6000/rs6000.md: Enable TFmode patterns if
17037 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
17038 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
17039 and -mlong-double-128 are incompatible.
17040 * doc/invoke.texi (-mabi): Collect options together. Add
17041 ibmlongdouble and ieeelongdouble.
17043 2006-01-27 Richard Sandiford <richard@codesourcery.com>
17045 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
17047 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
17048 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
17049 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
17050 * rtl.h (rtunion_def): Remove rt_ptr.
17052 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
17053 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
17054 * config/i386/winnt.c (i386_pe_mark_dllexport)
17055 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
17057 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
17059 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
17061 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17065 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
17066 pthread_key_delete. From John David Anglin. gthrw-ify
17067 pthread_getunique_np only if it it's not a macro. Delete
17069 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
17070 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
17071 __gthread_objc_condition_signal, __gthread_key_delete): Add
17072 "__attribute__ ((__unused__))" to unused arguments.
17073 (__gthread_recursive_mutex_init_function): Add missing return.
17074 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
17075 gthr-posix95.h: Use macro-based approach for name redirection
17076 on targets missing weakref.
17078 2006-01-26 Zack Weinberg <zackw@panix.com>
17080 * genconditions.c (write_header): In generated code, #ifdef out
17081 all includes and fake declarations, except includes of bconfig.h
17082 and system.h, unless GCC_VERSION >= 3001. Do not include
17083 gensupport.h in any case.
17084 (write_conditions): Generate a definition of struct c_test. Add
17085 a comment to the generated #endif.
17086 (write_one_condition): Escape backslashes in string too.
17087 (write_writer): Generated code must escape backslashes and quote
17088 marks (but not newlines) in the strings it writes.
17089 * Makefile.in (build/gencondmd.o): Update dependencies.
17091 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17094 * Makefile.in (insn-automata.o): Add header file dependencies.
17095 * genautomata.c: Add includes.
17097 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17100 * Makefile.in (insn-automata.o): Add -Wno-error flag.
17102 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17104 * configure.ac: Expect target tools paths to be passed from the toplevel
17105 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
17107 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
17109 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17112 * c.opt (Wpointer-sign): Init to -1.
17113 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
17114 OPT_pedantic, to 0 otherwise.
17115 * doc/invoke.texi: Update.
17117 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17119 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
17120 constants provided by 80387 instructions in the destination mode.
17122 2006-01-26 Richard Guenther <rguenther@suse.de>
17123 Andrew Pinski <pinskia@physics.uc.edu>
17126 partial PR tree-opt/17064
17127 * tree-ssa-structalias.c (intra_create_variable_infos):
17128 Create heap variables for incoming parameters if
17129 flag_argument_noalias > 1.
17130 (find_what_p_points_to): Look through default defs of
17133 2006-01-26 Jeff Law <law@redhat.com>
17136 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
17137 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
17138 within the VR_RANGE, use the VR_RANGE as the result, not the
17140 (adjust_range_with_scev): Reject ranges from SCEV which are out of
17141 bounds for the type.
17143 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
17145 * tree-ssa-alias.c (maybe_create_global_var): Change
17146 subvar walking to an assertion that we don't have subvar'd variables.
17148 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
17151 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
17152 Use a new variable, inner. PARM_DECLs are always non-weak.
17154 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
17156 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
17157 --disable-checking.
17159 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
17161 * config/mips/mips.md (*clear_upper32): New combiner pattern.
17163 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
17165 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
17166 (smax_insn, smin_insn, smax_0, smin_0): New.
17168 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
17171 * config/cris/cris.c (cris_order_for_addsi3): New function.
17172 * config/cris/cris-protos.h: Prototype it.
17173 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
17174 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
17175 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
17176 (split for "op.S1 [rx=rx+i],ry (swapped)")
17177 (split for "op(s|u).S1 [rx=rx+i],ry")
17178 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
17179 Apply cris_order_for_addsi3 when generating addsi3 insns.
17181 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17183 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
17184 (TREE_BLOCK): Add call to EXPR_CHECK.
17186 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17189 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
17190 * tree-pretty-print.c (dump_omp_clause): Extract from ...
17191 (dump_omp_clauses): ... here.
17192 (dump_generic_node): Handle OMP_CLAUSE.
17193 * tree.c (omp_clause_num_ops): New.
17194 (omp_clause_code_name): New.
17195 (tree_code_size): Handle OMP_CLAUSE.
17196 (tree_size): Likewise.
17197 (make_node): Document handling of OMP_CLAUSE.
17198 (tree_node_structure): Handle OMP_CLAUSE.
17199 (omp_clause_check_failed): New.
17200 (omp_clause_range_check_failed): New.
17201 (omp_clause_operand_check_failed): New.
17202 (build_omp_clause): New.
17203 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
17204 * tree.h (enum omp_clause_code): Declare.
17205 (OMP_CLAUSE_SUBCODE_CHECK): Define.
17206 (OMP_CLAUSE_RANGE_CHECK): Define.
17207 (OMP_CLAUSE_ELT_CHECK): Define.
17208 (omp_clause_check_failed): Declare.
17209 (omp_clause_operand_check_failed): Declare.
17210 (omp_clause_range_check_failed): Declare.
17211 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
17212 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
17213 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
17214 (OMP_CLAUSE_LASTPRIVATE): Likewise.
17215 (OMP_CLAUSE_IF_EXPR): Likewise.
17216 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
17217 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
17218 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
17219 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
17220 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
17221 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
17222 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
17223 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
17224 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
17225 (OMP_CLAUSE_CODE): Define.
17226 (OMP_CLAUSE_SET_CODE): Define.
17227 (OMP_CLAUSE_CODE): Define.
17228 (OMP_CLAUSE_OPERAND): Define.
17229 (struct tree_omp_clause): Declare.
17230 (union tree_node): Add field 'omp_clause'.
17231 * treestruct.def (TS_OMP_CLAUSE): Define.
17232 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
17233 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
17234 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
17235 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
17236 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
17237 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
17238 (OMP_CLAUSE): Define.
17239 * print-tree.c (print_node): Handle OMP_CLAUSE.
17240 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
17241 * c-typeck.c: Likewise.
17242 * gimplify.c: Likewise.
17243 * c-omp.c: Likewise.
17244 * tree-nested.c: Likewise.
17245 * tree-inline.c: Likewise.
17246 * c-parser.c: Likewise.
17247 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
17250 2006-01-25 Roger Sayle <roger@eyesopen.com>
17252 PR rtl-optimization/25703
17253 * combine.c (try_combine): Handle zero_extract and strict_low_part
17254 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
17256 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
17258 * global.c: Fix comment typos.
17260 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
17263 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
17264 Use output_addr_const instead of assemble_name.
17266 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
17268 * Makefile.in (sched-vis.o): Update dependencies.
17269 * haifa-sched.c (sched_finish): Clear current_sched_info.
17270 * cfg.c (dump_bb_info): New, split from dump_flow_info.
17271 (dump_flow_info): Call it.
17272 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
17274 * basic-block.h (dump_bb_info): Declare.
17275 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
17276 option, and apply options only for dump files whose TDF_RTL,
17277 TDF_TREE, or TDF_IPA bits match.
17278 * rtl.h: Declare new functions exported from sched-vis.c.
17279 * sched-vis.c: Enable also if scheduling is not used.
17280 (print_value): Print the mode of registers if not inside scheduling.
17281 (print_insn): Make it work outside the scheduler. Beautify the output
17283 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
17285 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17287 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
17288 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
17289 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
17290 depending on the value of CONSTANT_POOL_ADDRESS_P.
17291 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
17293 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
17294 rather than SYMBOL_REF_DECL.
17295 (rtx_constant_pool): Remove const_rtx_sym_htab.
17296 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
17297 (init_varasm_status): Don't initialize const_rtx_sym_htab.
17298 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
17299 Remove handling of const_rtx_sym_htab.
17300 (find_pool_constant): Delete.
17301 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
17302 rather than find_pool_constant.
17303 (get_pool_constant_for_function): Delete.
17304 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
17305 find_pool_constant.
17306 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
17307 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
17308 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
17309 (SYMBOL_REF_CONSTANT): New macro.
17310 (get_pool_constant_for_function): Delete.
17311 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
17312 rather than SYMBOL_REF_DECL.
17313 (i386_pe_mark_dllimport): Likewise.
17314 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
17315 rather than SYMBOL_REF_DECL.
17316 * config/darwin.c (machopic_indirect_data_reference): Likewise.
17317 (machopic_indirect_call_target): Likewise.
17319 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
17321 * flow.c (delete_noop_moves): Add missing EOL to dump message.
17323 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17325 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
17327 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
17329 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
17331 2006-01-24 David Daney <ddaney@avtrex.com>
17334 * configure.ac (enable_tls): New enable option.
17335 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
17336 * configure: Regenerate.
17337 * doc/install.texi (--enable-tls): Document new option.
17338 (--disable-tls): Ditto.
17340 2006-01-24 Richard Henderson <rth@redehat.com>
17342 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
17343 * alias.c (true_dependence): Respect it.
17344 (canon_true_dependence, write_dependence_p): Likewise.
17345 * builtins.c (get_builtin_sync_mem): Set it.
17347 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
17349 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
17352 2006-01-24 DJ Delorie <dj@redhat.com>
17354 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
17355 for storing constants in single-bit bitfields.
17357 2006-01-25 Ben Elliston <bje@au.ibm.com>
17359 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
17361 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
17364 * tree-ssa-pre.c (phi_translate): Return NULL
17365 for AGGREGATE_TYPE's.
17367 2006-01-24 Zack Weinberg <zackw@panix.com>
17369 * genautomata.c (process_state_for_insn_equiv_partition):
17370 Use xcalloc for insn_arcs_array.
17371 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
17372 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
17374 2006-01-24 Richard Henderson <rth@redhat.com>
17376 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
17377 update all callers.
17379 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
17381 PR rtl-optimization/25890
17382 PR rtl-optimization/25905
17383 * combine.c (expand_compound_operation, expand_field_assignment):
17384 Fail if the bitfield's final position is out of bounds.
17386 2006-01-24 Ian Lance Taylor <ian@airs.com>
17388 PR middle-end/25930
17389 * cgraphunit.c (cgraph_output_in_order): Don't clear
17390 cgraph_asm_nodes until after asm strings have been output.
17392 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
17394 * fix-header.c (read_scan_file): Add new parameter imultilib when
17395 calling register_include_chains.
17397 2006-01-23 Diego Novillo <dnovillo@redhat.com>
17399 * omp-low.c: Update documentation.
17401 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17402 Daniel Berlin <dberlin@dberlin.org>
17406 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
17407 return from the function.
17409 2006-01-22 Zack Weinberg <zackw@panix.com>
17411 * rtl.def (match_code): Add second argument.
17412 * genpreds.c (write_extract_subexp): New function.
17413 (write_match_code): Add path argument. Use write_extract_subexp.
17414 (write_predicate_expr): Pass path to write_match_code.
17415 (mark_mode_tests): MATCH_CODE applied to a subexpression does
17416 not perform a mode test.
17417 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
17418 a subexpression does not constrain the top-level code set.
17419 * read-rtl.c (read_rtx_variadic): New function.
17420 (read_rtx_1): Use it; allow AND and IOR to be variadic.
17421 * doc/md.texi: Document new notation.
17422 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
17423 (cmpsi_operand): ... here, using new notation.
17425 2006-01-22 Zack Weinberg <zackw@panix.com>
17427 * varray.c: Remove GENERATOR_FILE #ifdefs.
17429 2006-01-22 Zack Weinberg <zackw@panix.com>
17431 * genautomata.c (output_reserved_units_table): Emit nothing if
17432 description->query_units_num is zero. Remove extra blank line.
17433 (output_cpu_unit_reservation_p): Short circuit
17434 if description->query_units_num is zero.
17436 2006-01-22 Zack Weinberg <zackw@panix.com>
17438 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
17439 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
17440 nor any of the random handful of variables that used to be necessary
17441 when this program was linked with rtlanal.o. Prune set of forward
17442 function declarations.
17443 (struct attr_desc): Remove static_p field.
17444 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
17445 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
17446 (attr_string): Do not read the character one past the length of
17448 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
17449 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
17450 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
17451 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
17452 (make_automaton_attrs): New.
17453 (main): Do not call into genautomata. Call local gen_bypass
17454 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
17455 Remove special case for insn_alts.
17456 * genautomata.c: Include gensupport.h; not genattrtab.h nor
17457 varray.h (leftover from previous change). Prune set of forward
17458 function declarations. Remove state_alts fields from all
17459 structures. Remove state_alts_table from struct automaton.
17460 Make everything except main static. Do not maintain num_dfa_decls.
17461 Do not maintain state_alts fields of various structures.
17462 (process_decls): Don't validate condexp for dm_insn_reserv decls.
17463 (add_arc): Remove state_alts argument. All callers updated.
17464 (output_reserved_units_table): Emit #ifdef here...
17465 (output_tables): ...not here. Don't generate state_alts tables.
17466 (expand_automata): Don't generate attributes.
17467 (write_automata): Don't generate state_alts functions.
17468 (main): New function.
17469 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
17470 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
17471 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
17472 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
17473 (BYPASS_P_FUNC_NAME, output_state_alts_table)
17474 (output_automata_list_state_alts_code, output_internal_state_alts_func)
17475 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
17476 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
17478 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
17479 * genattrtab.h: Delete file.
17480 * Makefile.in (OBJS-common): Add insn-automata.o.
17481 (insn-automata.o): New rule.
17482 (simple_generated_c): Add insn-automata.c.
17483 (build/genattrtab.o, build/genautomata.o): Update dependencies.
17484 (genprogmd): Add automata.
17485 (build/genattrtab): Needs no extra objects nor libraries.
17486 (build/genautomata): Needs build/vec.o and -lm.
17488 2006-01-22 Zack Weinberg <zackw@panix.com>
17490 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
17491 (output_dfa_max_issue_rate, locked_states_num): Delete.
17492 (struct automaton): Add locked_states field.
17493 (output_dead_lock_vect): Save number of locked states in
17494 automaton->locked_states. If it is zero, don't print anything.
17495 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
17496 (output_internal_dead_lock_func): Only test the dead_lock_vect
17497 for automata that have locked states.
17498 (output_statistics): Always print the number of locked states for
17499 each automaton. Calculate total number of locked states here.
17500 (write_automata): Don't call output_dfa_max_issue_rate.
17501 * genattrtab.c: Define length_unit_log as a const variable.
17502 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
17503 max_insn_queue_index const.
17504 * final.c (length_unit_log): Declare const.
17505 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
17507 2006-01-22 Zack Weinberg <zackw@panix.com>
17509 * genautomata.c: Include vec.h, not varray.h.
17510 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
17511 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
17512 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
17513 VEC_* macros operating on appropriately typed vectors, or to
17514 malloced arrays when the size is known in advance. Const-ify
17515 many char* variables and function arguments. No functional changes.
17516 * Makefile.in (build/varray.o): Delete rule.
17517 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
17518 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
17520 2006-01-22 Zack Weinberg <zackw@panix.com>
17522 * gensupport.c: Define get_insn_name and record_insn_name here.
17523 (read_md_rtx): Call record_insn_name as appropriate.
17524 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
17525 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
17526 * genpreds.c, genrecog.c: Don't define get_insn_name nor
17528 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
17529 (BUILD_VARRAY): Delete.
17530 (genprognormal): Rename genprogmd. Fold in all programs from
17531 genprognoprint; also attrtab.
17532 (build/genattrtab): Just mention genautomata.o and varray.o.
17533 Reorganize a bit, add comments to make the categories clearer.
17535 2006-01-22 Zack Weinberg <zackw@panix.com>
17537 * genconditions.c (condition_table, add_condition): Delete.
17538 (write_conditions): Don't emit n_insn_conditions nor
17539 insn_elision_unavailable. Issue the gcc version #ifdef here,
17540 inside the table, with no #else clause ...
17541 (write_header): ...not here.
17542 (write_writer): New function.
17543 (main): Don't initialize condition_table. Use add_c_test.
17545 * gensupport.c (init_md_reader_args_cb): Handle multiple input
17546 files on the command line.
17547 (maybe_eval_c_test): Don't check insn_elision_unavailable.
17548 Return -1 if there is no entry in the table, don't abort.
17549 (add_c_test, traverse_c_tests): New functions.
17550 * gensupport.h (insn_elision_unavailable, insn_conditions)
17551 (n_insn_conditions): Delete declarations.
17552 (add_c_test, traverse_c_tests): Declare.
17553 * read-rtl.c: Include gensupport.h.
17554 (read_conditions): New function.
17555 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
17556 (read_rtx_1): If we get EOF when we were looking for an initial
17557 open paren, return 0. Call read_conditions when appropriate.
17558 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
17559 dummy-conditions.o. Eliminate references to insn-conditions.o,
17560 or change them to build/gencondmd.o, as appropriate. Remove
17561 insn-constants.h from $(simple_generated_h) and insn-conditions.c
17562 from $(simple_generated_c). For all files remaining in those
17563 two lists, add insn-conditions.md to the generator command line.
17564 Give insn-constants.h/s-constants their own rules. Add rules
17565 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
17566 (build/read-rtl.o): Depend on gensupport.h.
17567 (genprognormal): Include preds.
17568 (genprogearly): Rename genprognoprint; only difference is now that
17569 they don't link with $(BUILD_PRINT).
17570 * dummy-conditions.c: Delete.
17572 2006-01-22 Zack Weinberg <zackw@panix.com>
17574 * genextract.c: Don't include insn-config.h. Do include vec.h.
17575 Declare vectors of int, char, and locstr.
17576 (locstr): New typedef.
17577 (struct extraction): Make all array fields into bare pointers.
17578 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
17579 (insn_code_number): Delete.
17580 (accum_extract): New struct.
17581 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
17582 (gen_insn): Take insn_code_number as an argument. Use an
17583 accum_extract structure instead of loading data directly into
17584 a struct extraction, and having to know how big it might get.
17585 (walk_rtx): Operate entirely on an accum_extract structure.
17586 (print_path): Avoid unnecessary use of printf.
17587 (print_header): New function, split out of main. Distinguish
17588 more carefully between an unrecognizable insn and an insn that
17589 has the code number of a define_expand.
17590 (main): Pass insn_code_number to gen_insn. Call print_header
17591 only after parsing. Avoid unnecessary use of printf.
17592 * Makefile.in (build/vec.o): New rule.
17593 (build/genextract): Depend on build/vec.o.
17594 (build/genextract.o): Don't depend on insn-config.h.
17596 2006-01-22 Zack Weinberg <zackw@panix.com>
17598 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
17599 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
17600 practical. Eliminate per-generator-program link rules.
17602 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17604 PR middle-end/24437
17605 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17606 with a call expr to ...
17607 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17609 2006-01-23 Richard Guenther <rguenther@suse.de>
17611 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
17612 before make_edge with conditional EDGE_TRUE_VALUE.
17614 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
17615 Jan Hubicka <jh@suse.cz>
17616 Richard Guenther <rguenther@suse.de>
17618 PR rtl-optimization/25654
17619 * cfgexpand.c (aggregate_contains_union_type): New function.
17620 (add_alias_set_conflicts): Call it. Make sure to add conflicts
17621 for structure variables that contain a union type.
17623 2006-01-23 Richard Sandiford <richard@codesourcery.com>
17625 * gengtype.c (new_structure): Return the structure.
17626 (create_option): Add an extra "next" argument.
17627 (create_field): New function.
17628 (adjust_field_rtx_def): Use create_option and create_field.
17629 Remove a now-unnecessary call to find_structure.
17630 (adjust_field_tree_def): Likewise.
17631 (note_yacc_type): Remove an unnecessary call to find_structure.
17632 * gengtype.h (new_structure): Return the structure.
17633 (create_option): Add an extra argument.
17634 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
17635 (option): Adjust calls to create_option.
17637 2006-01-22 David Edelsohn <edelsohn@gnu.org>
17639 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
17641 2006-01-22 Paul Brook <paul@codesourcery.com>
17642 Peter Barada <peter@the-baradas.com>
17644 * config/m68k/m68k.md: Add Coldfire FPU support.
17645 Define FP mode macro and associated attributes.
17646 Use it for float mode patterns.
17647 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
17648 (LIBCALL_VALUE): Use m68k_libcall_value.
17649 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
17650 (m68k_function_value): Ditto.
17651 (emit_move_sequence): Ditto.
17652 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
17653 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
17654 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
17655 (MULTILIB_EXCEPTIONS): Ditto.
17656 * config/m68k/m68k.opt: Add mcfv4e.
17657 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
17658 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
17659 (m68k_output_function_prologue): Save ColdFire FPU registers.
17660 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
17661 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
17662 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
17663 ColdFire FPU registers.
17664 (m68k_libcall_value, m68k_function_value): New functions.
17665 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
17666 (LIBCALL_VALUE): Use m68k_libcall_value.
17667 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
17668 (MASK_COLDFIRE): Add MASK_CFV4E.
17669 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
17670 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
17671 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
17672 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
17673 (GO_IF_LEGITIMATE_ADDRESS): Use it.
17674 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
17675 * doc/invoke.tex: Document -mcfv4e on m68k.
17677 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
17679 * doc/contribute.texi: Change CVS to SVN and update the corresponding
17682 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
17685 * c-opts.c (c_common_handle_option): Don't include
17686 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
17687 * doc/invoke.texi (C++ Dialect Options): Document that
17688 -Wnon-virtual-dtor is no longer included in -Wall.
17690 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
17692 * gcov.c (print_version), gcov-dump.c (print_version),
17693 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
17696 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
17698 * df-scan.c (problem_SCAN): Added NULL reset function.
17699 (df_scan_reset_blocks): Added code to call reset block function
17700 (df_bb_refs_delete) Fixed comment.
17701 (df_insn_refs_delete): Made tolerant of deleting non existent info
17702 for dataflow problems that need to be reset.
17703 * df-core.c (df_set_blocks): Ditto.
17704 * df.h (struct df_problem): Added reset_fun.
17705 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
17706 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
17707 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
17708 functions to clear out all references to def-use or use-def chains.
17710 2006-01-21 Ben Elliston <bje@au.ibm.com>
17712 * varasm.c (assemble_real): Initialise data array.
17714 2006-01-20 Paul Brook <paul@codesourcery.com>
17716 Merge from csl-arm-branch.
17717 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
17718 * config/arm/arm.md (movdi): Force operands[1] to a register
17719 if we have a non-register source.
17720 (*arm_movdi, *movdf_soft_insn): Require that one of the
17721 operands be a register.
17722 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
17723 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
17725 2006-01-20 DJ Delorie <dj@redhat.com>
17727 * varasm.c (initializer_constant_valid_p): Allow pointers
17728 initialized from integer constants of lesser precision.
17729 (output_constant): Allow non-int-sized pointer modes to be
17730 initialized from integer constants.
17732 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
17735 * cppdefault.h (struct default_include): Add multilib flag.
17736 * cppdefault.c (cpp_include_defaults): Set it.
17737 * c.opt (-imultilib): New option.
17738 * c-opts.c (imultilib): New.
17739 (c_common_handle_option): Handle -imultilib.
17740 (c_common_post_options): Likewise.
17741 * c-incpath.c (add_standard_paths, register_include_chains):
17743 * c-incpath.h (register_include_chains): Add extra parameter.
17744 * gcc.c (do_spec_1): Generate -imultilib option.
17745 (The Specs Language): Update %I description.
17746 (process_command): Update copyright notice.
17747 * doc/cppopts.texi (-imultilib): Document.
17748 * doc/invoke.texi (-imultilib): Include in option summary.
17749 (%I): Update specs documentation.
17751 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17753 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
17755 2006-01-20 Richard Sandiford <richard@codesourcery.com>
17757 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
17760 2006-01-20 Richard Guenther <rguenther@suse.de>
17761 Steven Bosscher <stevenb.gcc@gmail.com>
17763 PR rtl-optimization/24626
17764 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
17765 EDGE_TRUE_VALUE if in RTL mode.
17768 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
17769 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
17771 2006-01-20 Dirk Mueller <dmueller@suse.com>
17774 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
17775 instead of a special NOP marker.
17776 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
17777 NOP marker handling.
17778 * c-common.h (empty_body_warning): Add forward declaration.
17779 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
17780 Now uses IS_EMPTY_STMT() instead of special NOP markers.
17782 2006-01-20 Paul Brook <paul@codesourcery.com>
17784 * Makefile.in (lang_checks): Keep going if mkdir fails.
17786 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17788 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
17789 be able to clean out basic block when not necessary.
17790 (df_scan_free): Fixed to properly delete information if df is
17791 unused before calling df_finish.
17792 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
17793 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
17795 (df_bb_refs_delete): New function.
17796 (df_refs_delete): Moved per block code to df_bb_refs_delete.
17797 * df-core.c (df_set_blocks): Added code to properly clean out
17798 unused blocks if they are not part of the blocks to consider.
17799 Added additional null check.
17800 (df_compact_blocks): Added basic block parameter to free_bb_fun to
17801 be able to clean out basic block when not necessary
17802 * df.h (df_free_bb_function): Ditto.
17803 (df_bb_refs_delete): New function.
17804 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
17805 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
17806 basic block parameter to be able to clean out basic block when not
17808 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
17809 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
17810 Fixed to properly delete information if df is unused before
17813 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17815 PR rtl-optimization/25799
17816 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
17817 Corrected confluence operator to remove bits from op2 before oring
17818 with op1 rather than removing bits from op1.
17819 (df_ru_transfer_function): Corrected test on wrong bitmap which
17820 caused infinite loop. Both of these problems were introduced in
17821 the dataflow rewrite.
17823 2006-01-19 DJ Delorie <dj@redhat.com>
17825 * reload1.c (find_reload_regs): Note the details of reload
17826 failures in the dump file.
17827 (spill_failure): Likewise.
17829 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17831 * loop-iv.c: Include df.h and hashtab.h.
17832 (enum iv_grd_result): New enum.
17833 (DF_REF_IV, DF_REF_IV_SET): New macros.
17834 (struct biv_entry): New.
17835 (df, bivs): New global variables.
17836 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
17837 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
17839 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
17840 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
17841 analyzed_for_bivness_p, record_biv): New functions.
17842 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
17843 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
17844 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
17846 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
17848 (iv_number_of_iterations): Use new interface to iv analysis.
17849 * loop-unroll.c: Do not include varray.h.
17850 (analyze_iv_to_split_insn): Use new interface to iv
17852 * loop-unswitch.c (may_unswitch_on): Ditto.
17853 * df.c (df_bitmaps_free): Only work for bbs for that structures are
17855 (df_bb_modify): Realloc tables to the new index.
17856 (df_find_use): New function.
17857 * df.h (df_find_use): Declare.
17858 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
17860 * cfgloop.h (struct rtx_iv): Remove analysed field.
17861 (iv_get_reaching_def): Removed.
17862 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
17863 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
17864 (loop-iv.o): Add df.h and hashtab.h dependency.
17865 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
17867 2006-01-20 Alan Modra <amodra@bigpond.net.au>
17870 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
17872 (__floatundisf, __floatundidf): Likewise.
17873 * libgcc2.h (IS_IBM_EXTENDED): Define.
17875 2006-01-19 DJ Delorie <dj@redhat.com>
17877 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
17879 2006-01-19 Paul Brook <paul@codesourcery.com>
17881 * config/arm/arm.c (arm_compute_func_type): Treat all functions
17882 as nothrow when unwinding tables are disabled.
17884 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17887 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
17888 of bit-field" when in system header.
17890 2006-01-19 DJ Delorie <dj@redhat.com>
17892 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
17893 the 16 bit shift limit of the m16c.
17895 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
17898 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
17899 * config/i386/i386.c (output_set_got): Output the label if we have one
17900 for the TARGET_DEEP_BRANCH_PREDICTION case.
17902 2006-01-19 Jan Hubicka <jh@suse.cz>
17903 H.J. Lu <hongjiu.lu@intel.com>
17904 Evandro Menezes <evandro.menezes@amd.com>
17906 * invoke.texi (generic): Document
17908 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
17909 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
17910 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
17911 (x86_use_incdec, x86_pad_returns): New variables
17912 (TARGET_CPU_DEFAULT_generic): New constant
17913 (TARGET_CPU_DEFAULT_NAMES): Add generic.
17914 (enum processor_type): Add generic32 and generic64.
17915 * i386.md (cpu attribute): Add generic32/generic64
17916 (movhi splitter): Behave sanely when both partial_reg_dependency and
17917 partial_reg_stall are set.
17918 (K8 splitters): Enable for generic as well.
17919 * predicates.md (incdec_operand): Use TARGET_INCDEC
17920 (aligned_operand): Avoid memory mismatch stalls.
17921 * athlon.md: Enable for generic64, new patterns for 128bit moves.
17922 * ppro.md: Enable for generic32
17923 * i386.c (generic64_cost, generic32_cost): New.
17924 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
17925 (x86_use_leave): Enable for generic64. (x86_use_sahf,
17926 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
17927 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
17928 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
17929 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
17930 x86_partial_reg_dependency, x86_memory_mismatch_stall,
17931 x86_accumulate_outgoing_args, x86_prologue_using_move,
17932 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
17933 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
17934 Enable for generic.
17935 (x86_use_incdec, x86_pad_returns): New.
17936 (override_options): Add generic32 and generic64, translate "generic"
17937 to generic32/generic64 and "i686" to "generic32", refuse
17938 "generic32"/"generic64" as arch target.
17939 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
17940 (ix86_reorg): Honor PAD_RETURNS.
17942 2006-01-19 Diego Novillo <dnovillo@redhat.com>
17944 * tree-pretty-print.c (dump_generic_node): Handle
17945 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
17946 * cgraph.c (cgraph_expand_queue): Rename from
17947 cgraph_analyze_queue. Update all users.
17948 * cgraphunit.c (cgraph_assemble_pending_functions): Process
17949 cgraph_expand_queue.
17950 (cgraph_expand_all_functions): Likewise.
17951 (cgraph_finalize_pending_functions): Remove. Update callers.
17953 * tree.h (OMP_DIRECTIVE_P): Define.
17954 (OMP_PARALLEL_FN): Define.
17955 (OMP_PARALLEL_DATA_ARG): Define.
17956 (OMP_SECTIONS_SECTIONS): Define.
17957 * tree-pass.h (pass_expand_omp): Declare.
17958 * omp-low.c (struct omp_region): Declare.
17959 (struct omp_context): Remove fields 'parallel_type',
17960 'parallel_start_ix' and 'parallel_start_additional_args'.
17962 (struct omp_for_data): Rename from struct expand_omp_for_data.
17963 (omp_regions): New static variable.
17964 (root_omp_region): New static variable.
17965 (find_omp_clause): Make static.
17966 (is_in_combined_parallel_ctx): Remove.
17967 (is_combined_parallel): New.
17968 (extract_omp_for_data): Move earlier in the file.
17969 (workshare_safe_to_combine_p): New.
17970 (get_ws_args_for): New.
17971 (determine_parallel_type): Move earlier in the file.
17972 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
17974 (omp_copy_decl): Likewise.
17975 (create_omp_child_function): Likewise.
17976 (lookup_omp_region): New.
17977 (dump_omp_region): New.
17978 (debug_omp_region): New.
17979 (debug_all_omp_regions): New.
17980 (new_omp_region): New.
17981 (scan_omp_parallel): If parallel_nesting_level > 1, the
17982 directive is nested within another parallel directive.
17983 Set OMP_PARALLEL_FN.
17984 (scan_omp_for): Do not try to handle combined parallel+for
17986 Remove FIXME comment.
17987 (scan_omp_nested): Remove.
17988 (scan_omp_1): Do not call scan_omp_nested when
17989 parallel_nesting_level is > 1.
17990 Do not change the DECL_CONTEXT of local variables found.
17991 (lookup_decl_in_outer_ctx): New.
17992 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
17993 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
17994 (lower_reduction_clauses): Rename from expand_reduction_clauses.
17995 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
17996 If CTX is nested, lookup VAR in the outer context when
17997 building copy assignment.
17998 (lower_send_clauses): Rename from expand_send_clauses.
17999 If CTX is nested, lookup VAR in the outer context when
18000 building copy assignments.
18001 (lower_send_shared_vars): Rename from expand_send_shared_vars.
18002 If CTX is nested, lookup VAR in the outer context when
18003 building copy assignments.
18004 (expand_parallel_call): Rename from build_parallel_call.
18005 Handle combined parallel+workshare cases.
18006 Re-implement to emit code into the CFG.
18008 (expand_omp_parallel): Re-implement to emit code into the CFG.
18009 Call move_sese_region_to_fn to outline the sub-graph
18010 containing the parallel region.
18011 (expand_omp_for_1): Remove.
18012 (expand_omp_for_generic): Re-implement to emit code into the
18014 (expand_omp_for_static_nochunk): Likewise.
18015 (expand_omp_for_static_chunk): Likewise.
18016 (expand_omp_for): Likewise.
18017 (expand_omp_sections): Likewise.
18018 (remove_exit_barriers): New.
18019 (expand_omp_synch): New.
18021 (build_omp_regions_1): New.
18022 (build_omp_regions): New.
18023 (execute_expand_omp): New.
18024 (gate_expand_omp): New.
18025 (pass_expand_omp): Define.
18026 (lower_omp_sections): Rename from expand_omp_sections.
18027 Set OMP_SECTIONS_SECTIONS.
18028 (lower_omp_single_simple): Rename from expand_omp_single_simple.
18029 (lower_omp_single_copy): Rename from expand_omp_single_copy.
18030 (lower_omp_single): Rename from expand_omp_simple.
18031 (lower_omp_master): Rename from expand_omp_master.
18032 (lower_omp_ordered): Rename from expand_omp_ordered.
18033 (lower_omp_critical): Rename from expand_omp_critical.
18034 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
18035 (lower_omp_for): Re-implement.
18036 (lower_omp_parallel): Re-implement.
18037 (lower_regimplify): Rename from expand_regimplify.
18038 (lower_omp_1): Rename from expand_omp_1.
18039 If there are syntax errors in the program, replace every
18040 OpenMP directive with NOP.
18041 Call lower_omp_* instead of expand_omp_*.
18042 (lower_omp): Rename from expand_omp.
18044 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
18045 * tree-gimple.h (enum omp_parallel_type): Remove.
18046 (gimple_boolify): Declare extern.
18047 (find_omp_clause, determine_parallel_type): Remove.
18049 * gimple-low.c (lower_omp_directive): New.
18050 (lower_stmt): Call it.
18051 (record_vars_into): Move from ...
18052 (record_vars): ... here.
18053 Call record_vars_into with current_function_decl.
18055 * gimplify.c (struct gimplify_ctx): Remove fields
18056 combined_pre_p and combined_ctxp. Update users.
18057 (get_formal_tmp_var): Add documentation.
18058 (gimple_boolify): Make extern.
18059 (gimplify_expr_in_ctx): Remove. Update callers.
18060 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
18061 will always be a BIND_EXPR.
18062 (gimplify_expr): Handle OMP_RETURN_EXPR.
18063 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
18064 (OMP_PARALLEL): Add 3 operands.
18065 (OMP_SECTIONS): Add 1 operand.
18066 (OMP_RETURN_EXPR): Define.
18068 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
18069 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
18070 * tree-iterator.c (alloc_stmt_list): Assert that we are not
18071 creating a circular free list.
18072 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
18074 * tree-flow.h (move_sese_region_to_fn): Declare.
18075 (record_vars_into): Declare.
18076 * tree-cfg.c (make_omp_sections_edges): New.
18077 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
18078 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
18079 OMP_SECTIONS and OMP_SECTION.
18080 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
18081 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
18082 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
18083 (gather_blocks_in_sese_region): New.
18084 (struct move_stmt_d): Declare.
18085 (move_stmt_r): New.
18086 (move_block_to_fn): New.
18087 (move_sese_region_to_fn): New.
18089 * passes.c (init_optimization_passes): Schedule
18090 pass_expand_omp after pass_init_datastructures.
18092 * tree-ssa-operands.c (get_expr_operands): Handle
18093 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
18094 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
18096 2006-01-19 Jeff Law <law@redhat.com>
18098 * tree-vrp.c (extract_range_from_assert): Refine the result range
18099 if the variable referenced by the ASSERT_EXPR has a range and
18100 either the tentative result range or the previous range is a
18103 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18105 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
18107 2006-01-19 Jan Hubicka <jh@suse.cz>
18109 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
18111 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
18113 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
18114 (expand_compound_operation, expand_field_assignment): Fail if the
18115 bit lengths of an extract operation are out of range.
18116 (make_extraction): Compute wanted_inner_mode based on the position
18117 and length of the extraction. Make it extraction_mode for non-constant
18118 positions, and do not modify offset in that case. When generating a
18119 new MEM, use a mode that can hold the extraction while keeping correct
18120 alignment. Remove code that supported MEMs wrapped by USEs.
18121 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
18123 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
18125 * config/s390/s390.md ("Y", "y"): New mode attribute.
18126 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
18127 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
18128 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
18129 "*addsi3_imm_cc", "*addsi3_carry1_cc",
18130 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
18131 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
18132 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
18133 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
18134 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
18135 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
18136 "addsi3", "subsi3"): Insn patterns removed.
18137 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
18138 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
18139 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
18140 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
18141 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
18142 "*sub<mode>3_cconly2"): New insn patterns.
18143 ("addsi3", "subsi3"): New expanders.
18145 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
18147 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
18148 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
18149 existing STMT_VINFO_VECTYPE if available.
18150 (vect_mark_relevant): Add special handling for stmts that are
18151 marked as STMT_VINFO_IN_PATTERN_P.
18152 (vect_analyze_loop): Call vect_pattern_recog.
18153 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
18154 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
18156 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
18157 (vect_recog_func_ptr): New function-pointer type.
18158 * tree-vect-patterns.c: New file.
18159 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
18160 (vect_recog_dot_prod_pattern, vect_pattern_recog):
18161 (vect_pattern_recog_1): New functions.
18162 (vect_pattern_recog_funcs): New array of function pointers.
18164 * tree-vectorizer.h (ternary_op): New enum value.
18165 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
18166 declaration. Revised documentation. Removed redundant dump prints.
18167 Removed redundant argument. Added support for reduction patterns.
18168 (vectorizable_reduction): Added support for reduction patterns.
18169 (vect_transform_stmt): Added support for patterns.
18171 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
18172 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
18173 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
18174 (expand_widen_pattern_expr): New function.
18175 (init_optabs): Initialize new optabs udot_prod_optab,
18177 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
18178 (sdot_prod_optab, udot_prod_optab): Define new optabs.
18179 (expand_widen_pattern_expr): New function declaration.
18180 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
18182 * tree-inline.c (estimate_num_insns_1): Added cases for new
18183 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18184 * tree-pretty-print.c (dump_generic_node): Likewise.
18185 (op_prio): Likewise.
18186 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18187 * tree-ssa-operands.c (get_expr_operands): Added case for
18189 * tree-vect-patterns.c (widened_name_p): New function.
18190 (vect_recog_dot_prod_pattern): Added function implementation.
18191 * tree-vect-transform.c (get_initial_def_for_reduction): Added
18192 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
18193 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
18194 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
18196 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
18197 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
18198 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
18199 (init_optabs): Initialize new optabs widen_ssum_optab,
18201 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
18202 (widen_ssum_optab, widen_usum_optab): Define new optabs.
18203 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
18204 use instead of type of def.
18205 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
18206 function implementation.
18207 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
18208 widen_ssumv8hi): New.
18210 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
18213 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18216 * c-decl.c (add_flexible_array_elts_to_size): New function.
18217 (finish_decl): Use it.
18219 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
18221 * diagnostic.h: Include options.h.
18222 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
18223 dependancies for diagnostic.h.
18224 * Makefile.in (DIAGNOSTIC_H): Add options.h.
18226 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
18228 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
18229 (ssa_ro_call_cache_valid): Ditto.
18230 * tree-ssa-alias.c (sort_tags_by_id): New function.
18231 (init_transitive_clobber_worklist): Ditto.
18232 (add_to_worklist): Ditto.
18233 (mark_aliases_call_clobbered): Ditto.
18234 (compute_tag_properties): Ditto.
18235 (set_initial_properties): Ditto.
18236 (compute_call_clobbered): Ditto.
18237 (compute_may_aliases): Call compute_call_clobbered and grouping.
18238 (compute_flow_sensitive_aliasing): Remove clobbering related code.
18239 (compute_flow_insensitive_aliasing): Grouping now happens in our
18241 (setup_pointers_and_addressables): Remove clobbering related code.
18242 (add_may_alias): Ditto.
18243 (replace_may_alias): Ditto.
18244 (get_nmt_for): Ditto.
18245 (create_global_var):
18246 (is_escape_site): Return an escape_type enumeration.
18247 * tree-flow-inline.h (is_call_clobbered): Global var does not
18248 imply call clobbered.
18249 (mark_call_clobbered): Take a reason for marking this. Remove
18250 marking of globalness, and cache invalidation.
18251 (clear_call_clobbered): Remove cache invalidation code.
18252 * tree-dfa.c (dump_variable): If details is on, dump the reason
18254 * tree-outof-ssa.c (create_temp): Copy escape mask from original
18256 * tree-flow.h (struct ptr_info_def): Add escape mask member.
18257 (struct var_ann_d): Ditto.
18258 (enum escape_type): New.
18259 (mark_call_clobbered): Adjust prototype.
18260 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
18261 are never call clobbered.
18262 Record reasons for escaping.
18263 * tree-ssa-structalias.h (is_escape_site): Update prototype.
18264 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
18265 (ssa_ro_call_cache_valid): Ditto.
18266 (clobbered_v_may_defs): Ditto.
18267 (clobbered_vuses): Ditto.
18268 (ro_call_vuses): Ditto.
18269 (clobber_stats): New.
18270 (init_ssa_operands): Zero out clobber stats.
18271 (fini_ssa_operands): Print out clobber stats.
18272 (get_call_expr_operands): Pass callee fndecl to
18273 add_call_read_ops).
18274 (add_call_clobber_ops): Remove use of cache.
18275 Add use of PURE_CONST information.
18276 (add_call_read_ops): Remove use of cache.
18277 Add use of static not_read information.
18279 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
18281 Introduce TLS descriptors for i386 and x86_64.
18282 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
18283 (TARGET_ANY_GNU_TLS): New macro.
18284 (enum tls_dialect): Added TLS_DIALECT_GNU2.
18285 (struct machine_function): Add tls_descriptor_call_expanded_p.
18286 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
18287 (ix86_current_function_calls_tls_descriptor): Likewise.
18288 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
18289 (override_options): Introduce gnu2 tls dialect.
18290 (ix86_frame_pointer_required): Functions containing TLSCALLs are
18292 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
18294 (legitimize_tls_address): Adjust logic for GNU2 TLS.
18295 (ix86_init_machine_status): Initialize new field.
18296 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
18297 (ix86_tls_module_base): New.
18298 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
18299 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
18300 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
18301 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
18302 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
18303 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
18304 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
18305 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
18306 * config/i386/predicates.md (tls_modbase_operand): New.
18307 (tp_or_register_operand): New.
18309 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
18311 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
18312 (look_for_address_of): Ditto.
18313 (ipa_init): Walk the function decls.
18314 (static_execute): Don't set readonly on FUNCTION_DECL's.
18316 2006-01-18 Roger Sayle <roger@eyesopen.com>
18318 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
18319 for shifts where the source and destination registers are different.
18321 2006-01-18 Paul Brook <paul@codesourcery.com>
18323 Merge from csl-arm-branch.
18324 2005-03-14 Julian Brown <julian@codesourcery.com>
18325 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
18326 (aeabi_llsl): Likewise.
18327 (ashrdi3): Likewise.
18328 (aeabi_lasr): Likewise.
18329 (lshrdi3): Likewise.
18330 (aeabi_llsr): Likewise.
18331 2005-03-10 Julian Brown <julian@codesourcery.com>
18332 * config.gcc: Disable shared libgcc for SymbianOS.
18333 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
18335 2006-01-18 DJ Delorie <dj@redhat.com>
18337 * c-pragma.c (handle_pragma_diagnostic): New.
18338 (init_pragma): Register it.
18339 * doc/extend.texi: Document it.
18341 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
18342 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
18343 (diagnostic_context): Add classify_diagnostic[].
18344 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
18345 as errors if they're overridden to DK_WARNING.
18346 (diagnostic_initialize): Initialize classify_diagnostic[].
18347 (diagnostic_set_kind_override): New.
18348 (diagnostic_report_diagnostic): Check for kind changes.
18349 * opts.c (common_handle_option): Take lang_mask. Update callers.
18350 Handle OPT_Werror_.
18351 * common.opt (Werror=): New.
18352 * doc/invoke.texi: Document -Werror=*
18354 2006-01-18 Jeff Law <law@redhat.com>
18356 * tree-vrp.c (test_for_singularity): Correct test for new
18357 min limit. Use operand_equal_p rather than pointer equality
18358 for testing if new min/max values are equal.
18360 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
18361 using range information until after propagation and folding.
18363 2006-01-18 Richard Henderson <rth@redhat.com>
18364 Aldy Hernandez <aldyh@redhat.com>
18365 Jakub Jelinek <jakub@redhat.com>
18366 Diego Novillo <dnovillo@redhat.com>
18368 * omp-low.c: New file.
18369 * c-omp.c: New file.
18371 2006-01-18 Richard Henderson <rth@redhat.com>
18372 Jakub Jelinek <jakub@redhat.com>
18373 Diego Novillo <dnovillo@redhat.com>
18375 * doc/invoke.texi: Document -fopenmp.
18376 * tree-dump.h (debug_function): Declare.
18377 * hooks.c (hook_bool_tree_bool_false): New function.
18378 (hook_tree_tree_null): Remove.
18379 (hook_tree_tree_tree_null): New.
18380 * hooks.h: Update to match.
18381 * tree-pretty-print.c (debug_tree_chain): New.
18382 (print_generic_expr): Handle TDF_CHAIN.
18383 (dump_generic_node): Handle BLOCK.
18384 Do not abort with incomplete SWITCH_EXPRs.
18385 Do not dump body of an OpenMP directive if TDF_SLIM is given.
18386 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
18387 print space after directive name.
18388 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
18389 Handle OMP_MASTER and OMP_ORDERED.
18390 Handle printing of OMP_BODY just in one place, goto
18391 dump_omp_body in the rest of OMP_* nodes that have
18393 Don't handle clause nodes here. Update omp statements to
18394 use dump_omp_clauses.
18395 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
18396 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
18397 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
18398 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
18399 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
18400 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
18401 Adjust output for GOMP_PARALLEL.
18402 (dump_omp_clauses): New.
18403 (print_declaration): Dump DECL_VALUE_EXPR.
18404 (op_symbol_1): Split out of op_symbol.
18405 (dumping_stmts): Remove. Update all users.
18406 * cgraph.c (cgraph_analyze_queue): New.
18407 (cgraph_add_new_function): New.
18408 * cgraph.h (cgraph_analyze_queue): Declare.
18409 (cgraph_add_new_function): Declare.
18410 (cgraph_lower_function): Remove.
18411 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
18412 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
18413 and TYPE_P nodes in its default clause.
18414 (empty_body_p): New.
18415 (tree_range_check_failed): New.
18416 (build5_stat): New.
18417 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
18418 OMP_CLAUSE_REDUCTION_MERGE,
18419 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
18420 OMP_CLAUSE_PRIVATE_DEBUG,
18421 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
18422 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
18423 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
18424 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
18425 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
18426 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
18427 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
18428 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
18429 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
18430 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
18431 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
18432 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
18433 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
18434 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
18435 (TREE_RANGE_CHECK): New.
18436 (empty_body_p): Declare.
18437 (enum omp_clause_default_kind): New.
18438 (build_string_literal): Declare.
18439 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
18440 (build5_stat, build5): Declare.
18441 * tree-pass.h (TDF_CHAIN): Define.
18442 * tree-pass.h (PROP_gimple_lomp): Define.
18443 (pass_lower_omp): Declare.
18444 * diagnostic.h (debug_tree_chain): Declare.
18445 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
18447 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
18448 * builtins.c (build_string_literal): Make extern.
18449 * gcc.c (include_spec_function): New.
18450 (static_spec_functions): Add it.
18451 (main): Move load of libgomp.spec ...
18452 (LINK_COMMAND_SPEC): ... here.
18453 (link_gomp_spec): New.
18454 (static_specs): Include it.
18455 (LINK_COMMAND_SPEC): Add link_gomp.
18456 (GOMP_SELF_SPECS): New.
18457 (driver_self_specs): Include it.
18458 (switch_matches): Don't mark inline.
18459 (main): Load libgomp.spec.
18460 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
18461 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
18462 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
18463 * tree-gimple.h (enum omp_parallel): Declare.
18464 (determine_parallel_type): Declare.
18465 (omp_firstprivatize_variable): Declare.
18466 (omp_reduction_init): Declare.
18467 (diagnose_omp_structured_block_errors): Declare.
18468 (struct walk_stmt_info): Add want_return_expr.
18469 (struct walk_stmt_info): Add want_bind_expr, want_locations.
18470 (find_omp_clause): Declare.
18471 (insert_field_into_struct): Declare.
18472 (struct walk_stmt_info): Move from tree-nested.c
18473 (walk_stmts): Declare.
18474 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
18476 * cgraphunit.c (cgraph_lower_function): Make static.
18477 (cgraph_finalize_pending_functions): New.
18478 (cgraph_finalize_function): Call it.
18479 (cgraph_finalize_compilation_unit): Likewise.
18480 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
18481 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
18482 (BT_FN_UINT_UINT): New.
18483 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
18484 DEF_FUNCTION_TYPE_VAR_4): Document.
18485 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
18486 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
18487 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
18488 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
18489 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
18490 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
18491 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
18492 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
18493 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
18494 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
18495 into separate files.
18496 (DEF_GOMP_BUILTIN): New.
18497 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
18498 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
18499 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
18500 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
18501 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
18502 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
18503 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
18504 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
18505 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
18506 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
18507 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
18508 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
18509 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
18510 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
18511 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
18512 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
18513 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
18514 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
18515 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
18516 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
18517 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
18518 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
18519 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
18520 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
18521 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
18522 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
18523 * sync-builtins.def: New file, moved from builtins.def.
18524 * omp-builtins.def: New file, moved from builtins.def.
18525 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
18526 * gimple-low.c (lower_function_body): Clear data.
18527 (lower_stmt): Do not handle COMPOUND_EXPR.
18528 Remove call to print_node_brief.
18529 * c-tree.h (c_finish_omp_clauses): New prototype.
18530 (C_DECL_THREADPRIVATE_P): Define.
18531 (lookup_name_no_remap, c_omp_remap_private): Remove
18532 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
18533 (check_for_loop_decls): Update decl.
18534 (lookup_name_no_remap, c_omp_remap_private): Declare.
18535 (build_indirect_ref, build_modify_expr, pushdecl,
18536 pushdecl_top_level): Move to c-common.h.
18537 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
18538 before the switch, but just in the 2 places that need it.
18539 * c-decl.c (diagnose_mismatched_decls): Do not check for
18540 mismatched thread-local attributes when OLDDECL is marked
18541 threadprivate and NEWDECL has no thread-local attributes.
18542 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
18543 (c_gimple_diagnostics_recursively): Rename from
18544 c_warn_unused_result_recursively. Invoke
18545 diagnose_omp_structured_block_errors.
18546 (check_for_loop_decls): Return a singular decl found.
18547 * langhooks.c (lhd_omp_predetermined_sharing): Return
18548 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
18549 (lhd_omp_firstprivatize_type_sizes): New.
18550 (lhd_omp_assignment): New.
18551 (lhd_omp_predetermined_sharing): New.
18552 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
18553 (struct lang_hooks_for_types): Add
18554 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
18555 omp_predetermined_sharing, omp_disregard_value_expr,
18556 omp_private_debug_clause, omp_clause_default_ctor,
18557 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
18558 (c_finish_omp_clauses): New.
18559 (c_finish_bc_stmt): Diagnose break within omp for.
18560 (c_begin_omp_parallel, c_finish_omp_parallel): New.
18561 (build_unary_op): Return error_mark after reporting
18563 (build_modify_expr): Likewise.
18564 * gimplify.c: Include optabs.h and pointer-set.h.
18565 (enum gimplify_omp_var_data): Declare.
18566 (struct gimplify_omp_ctx): Declare.
18567 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
18569 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
18570 (push_gimplify_context, pop_gimplify_context): Allow nesting.
18571 (splay_tree_compare_decl_uid): New.
18572 (new_omp_context): New.
18573 (delete_omp_context): New.
18574 (gimple_add_tmp_var): Call omp_add_variable.
18575 (gimplify_bind_expr): Likewise.
18576 (gimplify_var_or_parm_decl): If omp_notice_variable returned
18577 true, disregard DECL_VALUE_EXPR on the decl if any.
18578 (gimplify_expr_in_ctx): New.
18579 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
18580 omp_add_variable, omp_notice_variable, omp_is_private
18581 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
18582 gimplify_adjust_omp_clauses, gimplify_omp_parallel
18583 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
18584 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
18585 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
18586 gimplify_omp_atomic): New.
18587 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18588 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18589 OMP_CRITICAL and OMP_ATOMIC.
18590 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
18591 * c-pragma.h (enum pragma_kind): Add
18592 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
18593 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
18594 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
18595 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
18596 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
18597 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
18598 PRAGMA_OMP_THREADPRIVATE.
18599 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18600 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18601 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
18602 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
18603 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
18604 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
18605 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
18606 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
18607 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
18608 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
18609 * tree-ssa-dce.c (find_control_dependence): Do not assume that
18610 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
18611 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
18613 (struct nesting_info): Add field_map,
18614 suppress_expansion, debug_var_chain.
18615 (create_nesting_tree): Initialize them.
18616 (lookup_field_for_decl): Use field_map.
18617 (get_nonlocal_debug_decl, get_local_debug_decl): New.
18618 (convert_local_omp_clauses): New.
18619 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
18620 (walk_body): Split out of walk_function.
18621 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
18622 (convert_nonlocal_reference): Handle omp statements.
18623 (convert_local_reference): Likewise.
18624 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
18625 (unnest_nesting_tree): New.
18626 (lower_nested_functions): Call it.
18627 (insert_field_into_struct): Make extern.
18628 (struct walk_stmt_info): Move to tree-gimple.h.
18629 (walk_stmts): Make extern.
18630 * omp-builtins.def: New file.
18631 * tree-iterator.c (expr_only): Clarify comment.
18632 * c-common.h (pushdecl_top_level, pushdecl,
18633 build_modify_expr, build_indirect_ref,
18634 c_finish_omp_master, c_finish_omp_critical,
18635 c_finish_omp_ordered, c_finish_omp_barrier,
18636 c_finish_omp_atomic, c_finish_omp_flush,
18637 c_finish_omp_for, c_split_parallel_clauses,
18638 omp_clause_default_kind, c_omp_sharing_predetermined,
18639 c_omp_remap_decl): Declare.
18640 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
18641 (OBJS-common): Add omp-low.o.
18642 (c-omp.o, omp-low.o): Add.
18643 (gimplify.o): Add dependency on $(OPTABS_H).
18644 (GTFILES): Add omp-low.c.
18645 (gt-stringpool.h): Add.
18646 * tree-cfg.c (set_bb_for_stmt): Do not update the
18647 block-to-labels map if we are currently expanding to RTL.
18648 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
18650 Handle IDENTIFIER_NODE.
18651 (tree_verify_flow_info): Do not ICE when emitting error
18652 messages about invalid labels.
18653 (dump_function_to_file): Reset CFUN before emitting the body
18655 (debug_function): New.
18656 * passes.c (init_optimization_passes): Schedule
18658 * langhooks-def.h (lhd_omp_predetermined_sharing,
18659 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
18661 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
18662 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
18663 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
18664 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
18665 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
18666 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
18667 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
18668 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
18669 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
18670 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
18671 (LANG_HOOK_DECLS): Use them.
18673 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
18674 Richard Henderson <rth@redhat.com>
18675 Jakub Jelinek <jakub@redhat.com>
18676 Diego Novillo <dnovillo@redhat.com>
18678 * c-parser.c (pragma_omp_clause): Define.
18679 (c_parser_declaration_or_fndef): Document OpenMP syntax.
18680 (c_parser_compound_statement): Likewise.
18681 (c_parser_statement): Likewise.
18682 (c_parser_pragma): Handle omp pragmas.
18683 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
18684 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
18685 (c_parser_omp_clause_name, check_no_duplicate_clause,
18686 c_parser_omp_variable_list,
18687 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
18688 c_parser_omp_clause_copyprivate,
18689 c_parser_omp_clause_default,
18690 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
18691 c_parser_omp_clause_lastprivate,
18692 c_parser_omp_clause_nowait,
18693 c_parser_omp_clause_num_threads,
18694 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
18695 c_parser_omp_clause_reduction,
18696 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
18697 c_parser_omp_all_clauses, c_parser_omp_structured_block,
18698 c_parser_omp_atomic, c_parser_omp_barrier,
18699 c_parser_omp_critical, c_parser_omp_flush,
18700 c_parser_omp_for_loop, c_parser_omp_for,
18701 c_parser_omp_master, c_parser_omp_ordered,
18702 c_parser_omp_sections_scope, c_parser_omp_sections,
18703 c_parser_omp_parallel, c_parser_omp_single,
18704 c_parser_omp_construct, c_parser_omp_threadprivate): New.
18705 * c-pragma.c (init_pragma): Do omp pragma registration here.
18706 * c.opt (fopenmp): New flag.
18708 2006-01-18 Eric Christopher <echristo@apple.com>
18710 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
18711 * config/darwin.h (GOMP_SELF_SPECS): Define.
18713 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18715 * rtl.h: Remove the prototype for reg_alloc.
18717 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18720 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
18721 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
18722 sjlj and dwarf2 exception handling.
18723 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
18724 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
18725 * pa/pa.c (function_value): Treat complex and vector types as
18727 (function_arg): Likewise. Only pass scalar floats in the floating
18728 point argument registers.
18729 * pa/t-slibgcc-dwarf-ver: New file.
18730 * pa/t-slibgcc-sjlj-ver: New file.
18731 * pa/t-slibgcc-elf-ver: Delete file.
18733 2006-01-19 Alan Modra <amodra@bigpond.net.au>
18735 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
18736 unlikely_test_section_p test.
18738 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18740 * mode-switching.c (optimize_mode_switching): Make it static.
18741 * basic-block.h: Remove the prototype for
18742 optimize_mode_switching.
18744 * modulo-sched.c (sms_schedule): Make it static.
18745 * rtl.h: Remove the prototype for sms_schedule.
18747 * postreload-gcse.c (gcse_after_reload_main): Make it static.
18748 * rtl.h: Remove the prototype for gcse_after_reload_main.
18750 * reg-stack.c (reg_to_stack): Make it static.
18751 * rtl.h: Remove the prototype for reg_to_stack.
18753 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
18755 * rtl.h: Remove the prototypes for regrename_optimize and
18756 copyprop_hardreg_forward.
18758 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
18760 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
18761 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
18762 Test against the appropriate null constant for the mode.
18763 If 'fixup_overlap' is true, swap the operands if they overlap.
18764 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
18765 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
18766 alpha_split_tmode_pair and adjust for above change.
18767 * config/alpha/alpha.md (movtf_internal): Adjust call to
18768 alpha_split_tfmode_pair and rely on it to swap the operands.
18769 (movti_internal): New insn and post-reload splitter.
18770 (movti): New expander.
18772 2006-01-18 Philippe De Muyter <phdm@macqel.be>
18774 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
18777 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18779 * rtlanal.c (global_reg_mentioned_p_1,
18780 global_reg_mentioned_p): Remove.
18781 * rtl.h: Remove the prototype for global_reg_mentioned_p.
18783 * flow.c (initialize_uninitialized_subregs): Make it static.
18784 * rtl.h: Remove the prototype for
18785 initialize_uninitialized_subregs.
18787 * function.c (instantiate_virtual_regs): Make it static.
18788 * function.h: Remove the prototype for
18789 instantiate_virtual_regs.
18791 * regmove.c (regmove_optimize, combine_stack_adjustments):
18793 * rtl.h: Remove the prototypes for regmove_optimize and
18794 combine_stack_adjustments.
18796 2006-01-17 Roger Sayle <roger@eyesopen.com>
18798 * config/i386/i386.c (COSTS_N_BYTES): New macro.
18799 (size_cost): Encode costs in bytes so that a reg-reg addition is
18800 equivalent to COSTS_N_INSNS(1).
18801 (override_options): Use the size_cost.branch_cost as the default
18802 ix86_branch_cost when optimizing for size.
18804 2006-01-18 Ben Elliston <bje@au.ibm.com>
18806 * Makefile.in (D32PBIT_FUNCS): New.
18807 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
18808 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
18809 D64PBIT_FUNCS and D128PBIT_FUNCS.
18810 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
18811 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
18813 (decnumber_dep): Define.
18814 * doc/libgcc.texi (Decimal float library routines): New node.
18815 * config/dfp-bit.h, config/dfp-bit.c: New files.
18817 2006-01-18 Ben Elliston <bje@au.ibm.com>
18819 * expr.c (emit_move_change_mode): Always adjust addresses, not
18820 just during reload. Copy replacements only during reload.
18821 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
18822 emit_move_via_integer.
18824 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
18826 * Makefile.in (check-%, check-consistency): Use $${srcdir}
18827 instead of $(srcdir) and ${srcdir}.
18829 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
18832 PR middle-end/11135
18833 * arm.h (struct machine_function): Add pic_reg.
18834 * arm.c (arm_pic_register): Make unsigned.
18835 (arm_override_options): Only set arm_pic_register if
18836 TARGET_SINGLE_PIC_BASE.
18837 (use_return_insn): Only test for a pic register if it is fixed.
18838 (arm_compute_save_reg0_reg12_mask): Likewise.
18839 (thumb_compute_save_reg_mask): Likewise.
18840 (legitimate_pic_operand): Factor out some known invariants.
18841 (legitimize_pic_address): If we don't have a fixed pic register,
18842 then set up a pseudo in the function entry sequence. Handle the
18843 pic base being in a pseudo.
18844 (arm_load_pic_register): Handle the pic register being in a pseudo.
18845 (arm_expand_prologue): Only set up the pic register if it is fixed.
18846 (thumb_expand_prologue): Likewise.
18847 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
18848 (pic_load_addr_based_insn): Likewise.
18849 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
18852 2006-01-18 Ben Elliston <bje@au.ibm.com>
18854 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
18855 decimal float modes for all floating point registers.
18857 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
18858 match_code "mem" with match_test "macho_lo_sum_memory_operand".
18860 2006-01-17 Jakub Jelinek <jakub@redhat.com>
18863 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
18864 even when the pointer is not NULL.
18866 2006-01-16 Ian Lance Taylor <ian@airs.com>
18868 * common.opt (ftoplevel-reorder): New option.
18869 * cgraph.c (cgraph_asm_nodes): New global variable.
18870 (cgraph_asm_last_node): New static variable.
18871 (cgraph_order): New global variable.
18872 (cgraph_create_node): Set new order field.
18873 (cgraph_varpool_node): Likewise.
18874 (decide_is_variable_needed): Return true if not
18875 flag_toplevel_reorder.
18876 (cgraph_add_asm_node): New function.
18877 * cgraph.h (struct cgraph_node): Add order field.
18878 (struct cgraph_varpool_node): Add order field.
18879 (struct cgraph_asm_node): Define.
18880 (cgraph_asm_nodes, cgraph_order): Declare.
18881 (cgraph_add_asm_node): Declare.
18882 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
18884 (cgraph_varpool_assemble_pending_decls): Call it.
18885 (cgraph_output_pending_asms): New static function.
18886 (cgraph_finalize_compilation_unit): Call it.
18887 (struct cgraph_order_sort): Define.
18888 (cgraph_output_in_order): New static function.
18889 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
18890 !flag_toplevel_reorder case.
18891 * c-parser.c: Include "cgraph.h".
18892 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
18894 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
18895 than -fno-unit-at-a-time.
18896 * doc/invoke.texi (Option Summary): Mention
18897 -fno-toplevel-reorder.
18898 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
18899 -funit-at-a-time documentation.
18901 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
18902 Kazu Hirata <kazu@codesourcery.com>
18904 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
18906 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
18908 * Makefile.in (FUNCTION_H): New. Use it instead of
18909 function.h throughout the file.
18910 * function.h: Include tree.h.
18912 2006-01-17 Ben Elliston <bje@au.ibm.com>
18914 * recog.c: Separate some functions with whitespace.
18916 2006-01-16 Richard Henderson <rth@redhat.com>
18918 Merge from gomp branch:
18919 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
18920 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
18921 and rename from struct inline_data. Rename callee* to dst*;
18922 caller* to src*; add copy_decl hook, transform_call_graph_edges,
18923 transform_new_cfg, transform_return_to_modify, and
18924 transform_lang_insert_block flags; remove cloning_p, versioning_p,
18926 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
18927 (copy_decl_for_dup): Remove.
18928 * tree-inline.c (struct inline_data): Move to header.
18929 (insert_decl_map): Export.
18930 (remap_decl): Update for member name changes. Use copy_decl hook.
18931 Allow for replacement to be a non-decl. Remove dead code.
18932 (remap_type_1): Check for existing mapping.
18933 (remap_type): Export.
18934 (remap_decls): Update for member name changes.
18935 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
18936 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
18937 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
18938 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
18939 (tree_function_versioning, build_duplicate_type): Likewise.
18940 (copy_body_r): Likewise. Export.
18941 (copy_decl_for_dup): Split into ...
18942 (copy_decl_for_dup_finish, copy_decl_to_var,
18943 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
18944 (replace_ref_tree, inlining_p): Remove.
18946 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18948 * ifcvt.c (if_convert): Make it static.
18949 * rtl.h: Remove the prototype for if_convert.
18951 * local-alloc.c (local_alloc): Make it static.
18952 * rtl.h: Remove the prototype for local_alloc.
18954 * loop.c (loop_optimize): Make it static.
18955 * cfgloop.h: Remove the prototype for loop_optimize.
18958 2006-01-16 DJ Delorie <dj@redhat.com>
18960 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
18963 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18965 * pa.md: Disparage copies between general and floating-point registers
18966 in 32-bit move patterns.
18968 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
18971 * Makefile.in (check-%): Depend on site.exp instead of
18972 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
18975 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18977 * global.c (global_alloc): Make it static.
18978 * rtl.h: Remove the prototype for global_alloc.
18980 2006-01-16 Richard Guenther <rguenther@suse.de>
18982 * tree-ssa-alias.c (struct used_part): Add write_only field.
18983 (get_or_create_used_part_for): Initialize it to true.
18984 (create_overlap_variables_for): Don't create structure variables
18985 for structures that only are written to.
18986 (find_used_portions): Handle MODIFY_EXPR to track whether a
18987 structure is only written to.
18989 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18991 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
18993 * basic-block.h: Remove the prototype for
18994 partition_hot_cold_basic_blocks.
18996 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
18998 * cppspec.c (lang_specific_spec_functions): Remove.
18999 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
19000 * gcc.h (lang_specific_spec_functions): Remove.
19001 * gccspec.c (lang_specific_spec_functions): Remove.
19003 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
19005 * combine.c (record_value_for_reg): Invalidate registers
19007 (record_dead_and_set_regs_1): Likewise, by passing them to
19008 record_value_for_reg.
19009 (record_dead_and_set_regs): Invalidate stores made by a
19010 call. We do not combine across a call, but we still
19011 relied on equivalences.
19013 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
19015 * tree-vrp.c (extract_range_from_binary_expr): Cope with
19016 vrp_int_const_binop returning non-constant nodes.
19018 2006-01-16 Paul Brook <paul@codesourcery.com>
19020 * config/m68k/m68k.c (output_move_const_into_data_reg):
19021 Output correct mnemonic for mvz and mvs.
19023 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
19025 * rtl-factoring.c: Add sequence abstraction algorithm.
19026 * cfgcleanup.c (outgoing_edges_match): Extra checks.
19027 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
19029 (block_has_preserve_label): New function.
19030 * common.opt: Register new pass.
19031 * Makefile.in: Ditto.
19033 * timevar.def: Ditto.
19034 * tree-pass.h: Ditto.
19035 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
19036 * rtl.h (make_jump_insn_raw): Add forward decl.
19037 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
19039 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
19040 Roger Sayle <roger@eyesopen.com>
19042 * fold-const.c (fold_minmax): New static function.
19043 (fold_binary) <MIN_EXPR>: Call it.
19044 <MAX_EXPR>: Likewise.
19045 * stor-layout.c (place_field): Use DECL_SIZE consistently
19046 in the computation of the new record size.
19048 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19050 * cse.c (cse_condition_code_reg): Make it static.
19051 * rtl.h: Remove the prototype for cse_condition_code_reg.
19053 * combine.c (combine_instructions): Make it static.
19054 * rtl.h: Remove the prototype for combine_instructions.
19056 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19059 * tree.c (get_file_function_name_long): Concatenate the first global
19060 object name with a string derived from the input filename of the object
19063 2006-01-16 Ben Elliston <bje@au.ibm.com>
19065 * config/i386/winnt-stubs.c: Update FSF address.
19066 * config/xtensa/ieee754-df.S: Ditto.
19067 * config/xtensa/ieee754-sf.S: Ditto.
19069 2006-01-14 Ian Lance Taylor <ian@airs.com>
19071 * ifcvt.c (noce_init_if_info): New static function, broken out of
19072 noce_process_if_block.
19073 (noce_process_if_block): Call noce_init_if_info.
19074 (check_cond_move_block): New static function.
19075 (cond_move_process_if_block): New static function.
19076 (process_if_block): Call cond_move_process_if_block.
19078 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
19080 * cselib.c (hash_table): Rename to cselib_hash_table.
19081 (cselib_clear_table, discard_useless_values,
19082 remove_useless_values, cselib_lookup_mem, cselib_lookup,
19083 cselib_init, cselib_finish): Adjust uses of hash_table.
19085 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
19087 PR tree-optimization/25485
19088 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
19089 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
19090 is known to be false and true, respectively.
19092 2006-01-14 Richard Guenther <rguenther@suse.de>
19094 PR tree-optimization/22548
19095 PR tree-optimization/22555
19096 PR tree-optimization/22501
19097 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
19098 * params.def (salias-max-array-elements): New parameter.
19099 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
19100 * doc/invoke.texi (salias-max-array-elements): Document.
19101 * tree-flow-inline.h (var_can_have_subvars): We also handle
19103 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
19105 * tree-ssa-structalias.c (params.h): Include.
19106 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
19107 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
19108 (get_constraint_for): For ADDR_EXPR operating on something
19109 containing an ARRAY_REF, add all subvars to the solution.
19110 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
19111 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
19112 for creating MUST_DEFs.
19113 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
19115 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
19117 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
19119 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
19120 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
19121 number_of_iterations_le): New functions.
19122 (number_of_iterations_special): Removed.
19123 (number_of_iterations_exit): Do not use number_of_iterations_special.
19124 * tree.c (unsigned_type_for): Always return integer type.
19126 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
19127 Richard Guenther <rguenther@suse.de>
19129 PR rtl-optimization/24257
19130 * gcse.c (find_moveable_store): Only consider a store movable
19131 when the SET_SRC of the insn can be assigned to a register.
19133 2006-01-14 Ian Lance Taylor <ian@airs.com>
19135 * tree.c (tree_not_class_check_failed): New function.
19136 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
19137 (tree_not_class_check_failed): Declare.
19139 2006-01-13 Ian Lance Taylor <ian@airs.com>
19141 * reload1.c (do_output_reload): Add assertion rejecting a
19144 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
19146 * combine.c (struct reg_stat): Add new fields truncation_label and
19148 (record_value_for_reg): Reset truncated_to_mode.
19149 (record_truncated_value): New function.
19150 (check_promoted_subreg): Call it. Rename to check_conversions.
19151 (combine_instructions): Rename check_promoted_subreg to
19153 (reg_truncated_to_mode): New function.
19154 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
19155 (gen_lowpart_or_truncate): New function.
19156 (force_to_mode): Use it instead of gen_lowpart.
19158 2006-01-13 Diego Novillo <dnovillo@redhat.com>
19160 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
19161 VAR is a tag, not its type tag.
19163 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
19165 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
19166 alternatives to match style of other entries.
19167 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
19169 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
19171 PR tree-optimization/25771
19172 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
19175 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
19178 * tree-inline.c (declare_return_variable): If the return variable
19179 was marked as a non gimple complex, set the return slot variable
19180 to be a non gimple comple variable.
19182 2006-01-13 Richard Guenther <rguenther@suse.de>
19184 * builtins.c (expand_builtin_sincos): New function.
19185 (expand_builtin_mathfn_3): Remove dead code, sin and cos
19187 (expand_builtin): Expand sincos using expand_builtin_sincos.
19189 2006-01-12 DJ Delorie <dj@redhat.com>
19191 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
19192 shift counts, separate SI shifts for m32c vs m16c, pass shift type
19193 so that constant shifts can be split.
19194 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
19195 (m32c_valid_pointer_mode): Make static.
19196 (shift_gen_func_for): New.
19197 (m32c_prepare_shift): Use it. Split large const shifts into
19199 * config/m32c/predicates.md (shiftcount_operand): Allow more
19201 (longshiftcount_operand): New.
19202 * doc/md.texi (Machine Constraints): Document In6.
19204 2006-01-13 Ben Elliston <bje@au.ibm.com>
19206 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
19207 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
19210 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
19212 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
19213 to try to avoid clobbering pieces of structures when we know
19214 something about the whole structure.
19215 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
19217 2006-01-13 Ben Elliston <bje@au.ibm.com>
19219 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
19220 return in memory, as this is no limitation is no longer present.
19222 2006-01-12 DJ Delorie <dj@redhat.com>
19224 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
19225 mova with fb, and for fb+0 -> An.
19227 * config/m32c/mov.md (peephole2): Fix enabling logic.
19229 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
19230 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
19231 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
19232 FINI_ARRAY_SECTION_ASM_OP): Define.
19234 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
19236 (m32c_legitimize_reload_address): New logic to reload FB to An.
19237 (m32c_output_reg_push): Add newline.
19238 (m32c_output_reg_pop): Likewise.
19240 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
19242 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
19244 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
19246 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
19248 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19250 * config/sh/predicates.md (sh_rep_vec): Add parallel to
19253 2006-01-11 Ben Elliston <bje@au.ibm.com>
19255 * rtlanal.c (find_reg_note): Assert insn is not null.
19257 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19259 * df-scan.c (df_hard_reg_init): Move declaration of i outside
19262 2006-01-11 Jeff Law <law@redhat.com>
19264 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
19266 (mark_threaded_blocks, register_jump_thread): New functions.
19267 (thread_through_all_blocks): Remove unwanted argument. No
19268 longer rely on e->aux to communicate thread target info.
19269 Call mark_threaded_blocks. Release the threaded_blocks
19270 bitmap and threaded_edges vector when complete.
19271 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
19272 (threaded_blocks): Remove.
19273 (tree_ssa_dominator_optimize): Remove initialization and
19274 finalization of threaded_blocks. Simplify call to
19275 thread_through_all_blocks.
19276 (thread_across_edge): Call register_jump_thread rather than
19277 storing thread information into e->aux.
19278 (free_all_edge_infos): Simplify now that e->aux is no longer
19279 used to communicate with thread_through_all_blocks.
19280 * tree-flow.h (thread_through_all_blocks): Update prototype.
19281 (register_jump_thread): Prototype.
19283 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19285 * df-core.c (df_compact_blocks, df_bb_replace): Use
19286 SET_BASIC_BLOCK instead of BASIC_BLOCK.
19288 2006-01-11 Richard Guenther <rguenther@suse.de>
19290 PR tree-optimization/25734
19291 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
19292 stop propagation after successful propagation to the LHS.
19294 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19296 * basic-block.h (control_flow_graph): Change the type of
19297 x_basic_block_info to VEC(basic_block,gc) *.
19298 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
19300 (SET_BASIC_BLOCK): New.
19301 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
19302 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
19303 * cfgbuild.c (find_basic_blocks): Likewise.
19304 * cfglayout.c (fixup_reorder_chain): Likewise.
19305 * cfgrtl.c (create_basic_block_structure,
19306 rtl_create_basic_block): Likewise.
19307 * ifcvt.c (find_if_case_1): Likewise.
19308 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
19311 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19313 * Makefile.in: Removed rotted odf.c entry.
19315 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
19318 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
19319 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
19320 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
19321 output pattern modifier, not %e.
19322 * config/cris/cris.c (cris_op_str): Update comment about pattern
19324 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
19325 before falling through into...
19326 <case 'E'>: Redefined from old 'e' case.
19328 2006-01-11 Jan Hubicka <jh@suse.cz>
19331 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
19333 2006-01-11 Jan Hubicka <jh@suse.cz>
19335 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
19336 * i386.c (x86_decompose_lea): Kill.
19337 (ix86_rtx_costs): Kill.
19339 2006-01-11 Jan Hubicka <jh@suse.cz>
19341 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
19342 * cgraph.h (cgraph_node): Add inline_decl.
19343 (cgraph_insert_node_to_hashtable): Declare.
19344 (save_inline_function_body): Declare.
19345 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
19347 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
19348 (cgraph_function_versioning): Update call of tree_function_versioning.
19349 (save_inline_function_body): New function.
19350 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
19351 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
19352 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
19353 (cgraph_default_inline_p): Likewise.
19354 (cgraph_decide_inlining_incrementally): Likewise.
19355 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
19356 (copy_bb): Kill saving; do updating of clones.
19357 (copy_cfg_body): Kill saving.
19358 (initialize_inlined-parameters): Likewise.
19359 (expand_call_inline): Likewise.
19361 (tree_function_versioning): New parameter "update_clones".
19362 (inlining_p): Kill saving.
19363 * tree-inline.h (tree_function_versioning): Update prototype.
19364 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
19367 2006-01-11 Ian Lance Taylor <ian@airs.com>
19369 * combine.c (struct undo): Remove is_int. Enumify types of undos.
19370 Allow undoing set of machine mode.
19371 (do_SUBST): Use enums instead of is_int.
19372 (do_SUBST_MODE): New function.
19373 (SUBST_MODE): New macro.
19374 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
19375 reg and trying to replace reg_regno_rtx with a new register.
19376 (undo_all): Use new enums, handle undoing a PUT_MODE change.
19377 (simplify_set): Use SUBST_MODE.
19378 (distribute_notes): Remove code that tried to update reg notes
19379 for regno_reg_rtx changes.
19381 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
19383 PR tree-optimization/23109
19384 PR tree-optimization/23948
19385 PR tree-optimization/24123
19387 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
19388 * tree-cfg.c (single_noncomplex_succ): New.
19389 * tree-flow.h (single_noncomplex_succ): Declare it.
19390 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19391 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19392 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
19393 insert_bb, register_division_in, insert_reciprocals,
19394 replace_reciprocal, free_bb): New.
19395 (execute_cse_reciprocals_1): Rewritten.
19396 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
19397 Do not commit any edge insertion. Always compute dominators and
19398 create the allocation pool.
19399 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
19400 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
19401 * targhooks.c (default_min_divistions_for_recip_mul): New.
19402 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
19403 * passes.c (init_optimization_passes): Run recip after tree loop
19405 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
19407 2006-01-11 Danny Berlin <dberlin@dberlin.org>
19408 Kenneth Zadeck <zadeck@naturalbridge.com>
19410 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
19411 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
19412 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
19413 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
19414 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
19415 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
19416 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
19417 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
19418 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
19419 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
19420 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
19421 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
19422 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
19423 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
19424 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
19425 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
19426 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
19427 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
19428 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
19429 DF_SCAN_POST_ALLOC): New macros.
19430 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
19431 df_free_bb_function, df_local_compute_function, df_init_function,
19432 df_dataflow_function, df_confluence_function_0,
19433 df_confluence_function_n, df_transfer_function,
19434 df_finalizer_function, df_free_function, df_dump_problem_function,
19435 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
19436 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
19437 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
19438 df_urec_bb_info, ) New types.
19439 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
19441 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
19442 df_analyze_simple_change_some_blocks,
19443 df_analyze_simple_change_one_block, df_compact_blocks,
19444 df_bb_replace, df_bb_regno_last_use_find,
19445 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
19446 df_insn_regno_def_p, df_find_def, df_find_use,
19447 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
19448 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
19449 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
19450 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
19451 debug_df_chain, df_get_dependent_problem, df_chain_create,
19452 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
19453 df_grow_bb_info, df_chain_dump, df_print_bb_index,
19454 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
19455 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
19456 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
19457 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
19458 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
19459 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
19460 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
19461 df_ref_remove, df_insn_refs_delete, df_refs_delete,
19462 df_reorganize_refs, df_set_state, df_hard_reg_init,
19463 df_read_modify_subreg_p) New public functions.
19464 * df-core.c: The core dataflow solver and glue routines for rtl
19466 (df_init, df_add_problem, df_set_blocks, df_finish,
19467 df_hybrid_search_forward, df_hybrid_search_backward,
19468 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
19469 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
19470 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
19471 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
19472 df_reg_defined, df_find_use, df_reg_used, df_dump,
19473 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
19474 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
19475 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
19476 debug_df_useno, reset_df_after_reload): New functions.
19477 * df-scan.c: The scanning fuctions, once in df.c, completely
19478 rewritten so that they now fully model the functionality of
19479 register usage at the backend.
19480 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
19481 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
19482 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
19483 df_grow_insn_info, df_rescan_blocks, df_ref_create,
19484 df_get_artificial_defs, df_get_artificial_uses,
19485 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
19486 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
19487 df_refs_delete, df_reorganize_refs, df_set_state,
19488 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
19489 df_def_record_1, df_defs_record, df_uses_record,
19490 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
19491 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
19492 df_record_exit_block_uses, df_hard_reg_init): New functions.
19494 * df-problems.c: Seven concrete dataflow problems that use the
19495 scanning in df-scan.c and are solved by the engine in df-core.c.
19496 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
19497 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
19498 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
19499 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
19500 df_ru_free_bb_info, df_ru_alloc,
19501 df_ru_bb_local_compute_process_def,
19502 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
19503 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
19504 df_ru_transfer_function, df_ru_free, df_ru_dump,
19505 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
19506 df_rd_free_bb_info, df_rd_alloc,
19507 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
19508 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
19509 df_rd_transfer_function, df_rd_free, df_rd_dump,
19510 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
19511 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
19512 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
19513 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
19514 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
19515 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
19516 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
19517 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
19518 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
19519 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
19520 df_urec_mark_reg_change, df_urec_check_earlyclobber,
19521 df_urec_mark_reg_use_for_earlyclobber,
19522 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
19523 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
19524 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
19525 df_urec_dump, df_urec_add_problem, df_chain_alloc,
19526 df_chain_create_bb_process_use, df_chain_create_bb,
19527 df_chain_finalize, df_chain_free, df_chains_dump,
19528 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
19529 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
19530 df_reg_lifetime): New functions.
19531 * df.c: Deleted file.
19532 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
19533 consistent with new df api.
19534 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
19535 rest_of_handle_sms): Ditto.
19536 * web.c (unionfind_union, union_defs, entry_register, web_main):
19538 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
19539 invariant_expr_equal_p, find_defs, check_dependencies,
19540 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
19541 free_inv_motion_data, move_loop_invariants): Ditto.
19542 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
19543 Update dependencies.
19544 (odf.c): Added defective entry that was deleted later in day.
19545 * sched-deps.c (sched_analyze_1): Ditto.
19547 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
19549 * tree-ssa-operands.c (get_expr_operands): Record addressable
19550 variables directly. Do not call add_stmt_operands for CONST_DECLs
19552 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
19553 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
19555 2006-01-11 Ben Elliston <bje@au.ibm.com>
19557 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
19558 function returns true in the positive case.
19560 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19563 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
19564 for SI, DI, SF and DF modes. Add alternatives to copy between
19565 general and floating point registers to the 32-bit patterns.
19566 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
19567 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
19568 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
19569 generating 64-bit code.
19570 * config/pa/pa.c (output_move_double): Handle copies between general
19571 and floating registers.
19573 2006-01-10 Stuart Hastings <stuart@apple.com>
19575 * config/i386/i386.md (set_got): Update.
19576 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
19577 (builtin_setjmp_receiver): Mach-O support.
19578 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
19579 (GOT_SYMBOL_NAME): Define.
19580 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
19581 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
19582 * config/i386/i386.c (override_options): Revise for Darwin.
19583 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
19584 support. (darwin_x86_file_end): New. (output_set_got): Add label
19585 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
19586 * config/i386/i386-protos.h (output_set_got): Likewise.
19587 * config/darwin.c (machopic_legitimize_pic_address): Update
19590 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
19592 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
19593 when MODE isn't BLKmode.
19595 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
19597 PR rtl-optimization/25367
19598 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
19600 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
19603 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
19604 for a negative bound.
19606 2006-01-10 Richard Guenther <rguenther@suse.de>
19608 * tree-ssa-structalias.c (get_constraint_for_component_ref):
19609 Never override with anything constraint.
19611 2006-01-10 Jan Beulich <jbeulich@novell.com>
19613 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
19614 256 bits when optimize_size.
19616 2006-01-10 Jan Beulich <jbeulich@novell.com>
19618 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
19620 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
19621 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
19624 2006-01-10 Ben Elliston <bje@au.ibm.com>
19626 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
19628 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
19629 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
19630 (USE_FP_FOR_ARG): Reject decimal float modes.
19631 (function_arg_advance): Likewise.
19632 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
19633 (rs6000_handle_altivec_attribute): Do not permit decimal floating
19634 point types in AltiVec vectors.
19635 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
19636 (rs6000_libcall_value): Likewise.
19638 2006-01-09 Bob Wilson <bob.wilson@acm.org>
19640 * config/xtensa/ieee754-df.S: New file.
19641 * config/xtensa/ieee754-sf.S: New file.
19642 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
19643 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
19644 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
19646 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
19648 * config/sh/predicates.md (binary_float_operator,
19649 binary_logical_operator, commutative_float_operator,
19650 equality_comparison_operator, greater_comparison_operator,
19651 less_comparison_operator, logical_operator,
19652 noncommutative_float_operator, shift_operator,
19653 symbol_ref_operand, unary_float_operator): Remove redundant
19656 2006-01-09 Jeff Law <law@redhat.com>
19658 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
19659 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
19660 now unused arguments. Callers updated.
19661 (eliminate_redundant_computations): Remove now unused arguments,
19663 (local_fold): Remove, no longer used.
19664 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
19666 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
19667 (simplify_cond): New function.
19668 (forward_propagate_into_cond): Call simplify_cond.
19670 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
19672 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
19673 (*vec_extractv2di_1_sse): New.
19675 2006-01-09 Ben Elliston <bje@au.ibm.com>
19677 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
19679 2006-01-08 Richard Guenther <rguenther@suse.de>
19681 * tree-ssa-structalias.c (get_constraint_for): Remove
19682 anyoffset argument.
19683 (get_constraint_for_component_ref): Likewise.
19684 (do_deref): Likewise.
19685 (get_constraint_for): Likewise.
19686 (do_structure_copy): Likewise.
19687 (handle_ptr_arith): Likewise.
19688 (find_func_aliases): Likewise. Remove unused need_anyoffset
19691 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
19692 Kaz Kojima <kkojima@gcc.gnu.org>
19694 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
19695 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
19696 (EXTRA_CONSTRAINT_C16): Remove.
19697 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
19698 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
19699 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
19700 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
19701 constants of SHmedia. Handle nested constant expressions of
19703 (andcosts): Fix the costs for SHmedia constants.
19704 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
19705 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
19706 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
19707 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
19708 (movv4hi_i, movv2si_i): Likewise.
19709 (movsi_const): Adjust the second operand of ior so to match with
19710 the Csu constraint.
19711 (movdi_const, movdi_const_32bit): Likewise.
19712 (movdi_const_16bit+1): Don't sign-extend LOW.
19713 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
19715 (*double_shori): Fix the split condition. Use GEN_INT instead
19716 of get_int_mode calls. Mask lower 16-bit of the argument of
19718 (sym2GOTPLT): Remove.
19719 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
19721 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
19722 instead of EXTRA_CONSTRAINT_C16.
19724 2006-01-07 Ian Lance Taylor <ian@airs.com>
19725 David Edelsohn <edelsohn@gnu.org>
19727 PR rtl-optimization/25662
19728 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
19729 for constant operands instead of simplify_gen_binary.
19730 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
19731 after trying simplify_binary_operation
19733 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
19735 * tree.c (iterative_hash_expr): Hash decls based on UID.
19737 2006-01-06 Eric Christopher <echristo@apple.com>
19739 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
19740 (TARGET_UNWIND_EMIT): Fix spelling.
19741 * target.h (gcc_target): Add except_table_label.
19742 * except.c (output_function_exception_table): Use.
19743 * varasm.c (default_emit_except_table_label): New.
19744 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
19746 (asm_out): Add here.
19747 * output.h (default_emit_except_table_label): Prototype.
19748 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
19749 * config/darwin.c (darwin_emit_except_table_label): Define.
19750 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
19752 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
19754 PR tree-optimization/18527
19755 * tree-ssa-loop-niter.c (number_of_iterations_cond,
19756 number_of_iterations_special, number_of_iterations_exit):
19757 Move base and step of an iv to a single structure. Add
19758 no_overflow flag, and use it in # of iterations analysis.
19759 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
19760 folded_casts argument.
19761 (simple_iv): Pass base and step in a structure. Set no_overflow
19763 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
19764 Evaluate expensiveness of computing # of iterations instead of
19765 the final expression.
19766 * tree-scalar-evolution.h (affine_iv): New structure.
19767 (simple_iv): Declaration changed.
19768 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
19769 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
19770 find_givs_in_stmt): Changed due to simple_iv change.
19772 2006-01-06 Jeff Law <law@redhat.com>
19775 * tree-cfg.c (bsi_replace): Rename final argument from
19776 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
19777 change (stmt -> orig_stmt).
19778 * tree-eh.c (verify_eh_throw_stmt_node): New function.
19779 (bsi_remove): Add new argument. Remove EH information
19781 (verify_eh_throw_table_statements): New function.
19782 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
19784 * tree-optimize.c (execute_free_cfg_annotations): Verify
19785 the EH throw statement table after removing annotations.
19786 * except.h (verify_eh_throw_table_statements): Prototype.
19787 * tree-flow.h (bsi_remove): Update prototype.
19788 * tree-vrp.c (remove_range_assertions): Add new argument to
19790 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
19791 * tree-complex.c (expand_complex_div_wide): Likewise.
19792 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
19793 * tree-tailcall.c (eliminate_tailcall): Likewise.
19794 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
19795 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
19796 * tree-nrv.c (tree_nrv): Likewise.
19797 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
19798 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
19799 (combine_blocks): Likewise.
19800 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
19801 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
19802 (cleanup_control_flow): Likewise.
19803 (remove_forwarder_block): Likewise.
19804 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
19805 * tree-sra.c (sra_replace): Likewise.
19806 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
19807 (forward_propagate_single_use_vars): Likewise.
19808 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
19809 * tree-inline.c (expand_call_inline): Likewise.
19810 * tree-vect-transform.c (vect_transform_loop): Likewise.
19811 * tree-outof-ssa.c (rewrite_trees): Likewise.
19812 * tree-cfg.c (make_goto_expr_edges): Likewise.
19813 (cleanup_dead_labels): Likewise.
19814 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
19815 (bsi_move_before, bsi_move_after): Likewise.
19816 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
19817 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
19819 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
19822 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
19824 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
19825 on non gimple variables. Also add checks at the top for decls and
19827 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
19829 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
19830 and IMAGPART_EXPR for creating MUST_DEFs.
19831 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
19832 and NAME_MEMORY_TAG separately from the DECLs.
19834 2006-01-06 Richard Guenther <rguenther@suse.de>
19836 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
19837 annotation, if necessary.
19838 * tree-ssa-pre.c (create_expression_by_pieces): Remove
19839 redundant calls to update_stmt.
19840 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
19843 2006-01-05 Richard Henderson <rth@redhat.com>
19845 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
19847 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19849 * c-typeck.c: Update copyright date.
19851 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19853 * c-typeck.c (build_c_cast): Always warn when casting
19854 from a pointer to an integer of different size, even if
19855 the node was constant.
19857 2006-01-05 Richard Guenther <rguenther@suse.de>
19859 PR tree-optimization/22555
19860 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
19861 if one structure field is an array.
19862 * tree-ssa-operands.c (get_expr_operands): Continue scanning
19863 operands even if we found a subvar, but ignore VOPs in this
19865 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
19867 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
19869 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
19871 PR middle-end/24998
19872 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
19874 2006-01-05 Richard Guenther <rguenther@suse.de>
19875 Diego Novillo <dnovillo@redhat.com>
19877 * tree-pass.h (TODO_remove_unused_locals): Define.
19878 * gimple-low.c (expand_var_p, remove_useless_vars,
19879 pass_remove_useless_vars): Remove. Update all users.
19880 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
19881 (remove_unused_locals): New function.
19882 * tree-flow.h (remove_unused_locals): Declare.
19883 * passes.c (execute_todo): Call remove_unused_locals if
19884 TODO_remove_unused_locals is set.
19885 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
19886 * tree-ssa-dce.c (pass_dce): Likewise.
19887 * tree-outof-ssa.c (pass_del_ssa): Likewise.
19889 2006-01-05 Richard Guenther <rguenther@suse.de>
19891 * tree-flow.h (struct fieldoff): Decompose field to
19892 type, size and decl.
19893 * tree-ssa-alias.c (create_sft): Take type as parameter.
19894 (create_overlap_variables_for): Store type, size and decl
19895 in the fieldoff structure.
19896 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
19897 of struct fieldoff.
19898 (push_fields_onto_fieldstack): Likewise.
19899 (create_variable_info_for): Likewise. Use offset for the
19900 SFT name if the decl is not available.
19902 2006-01-04 Paul Brook <paul@codesourcery.com>
19904 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
19906 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
19908 * lambda-code.c (can_put_in_inner_loop): Relax
19910 (can_put_after_inner_loop): New function.
19911 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
19912 (perfect_nestify): Change to make copies and modify uses.
19914 2006-01-04 Richard Henderson <rth@redhat.com>
19916 Merge from gomp branch:
19917 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
19918 via integer constant.
19919 (pragma_lex): Remove.
19920 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
19921 rather than parsing it.
19922 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
19923 handle_pragma_extern_prefix): Add %< %> quotes.
19924 (registered_pragmas): New.
19925 (c_register_pragma_1): New.
19926 (c_register_pragma): Use it.
19927 (c_register_pragma_with_expansion): Likewise.
19928 (c_invoke_pragma_handler): New.
19929 (init_pragma): Use cpp_register_deferred_pragma directly for
19931 * c-pragma.h (enum pragma_kind): New.
19932 (pragma_handler): New.
19933 (c_invoke_pragma_handler): Declare.
19934 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
19936 * c-common.h (c_common_pch_pragma): Update decl.
19937 * Makefile.in (c-parser.o): Update dependencies.
19938 (GTFILES): Add c-pragma.h.
19939 * c-parser.c (struct c_token): Add pragma_kind.
19940 (struct c_parser): Add in_pragma.
19941 (c_lex_one_token): Always initialize keyword and pragma_kind.
19942 Extract data for CPP_PRAGMA.
19943 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
19944 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
19945 Don't allow CPP_PRAGMA_EOL if in_pragma.
19946 (c_parser_consume_pragma): New.
19947 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
19948 (c_parser_skip_to_end_of_parameter): Likewise.
19949 (c_parser_skip_to_end_of_block_or_statement): Likewise.
19950 (c_parser_skip_to_pragma_eol): New.
19951 (c_parser_external_declaration): Handle CPP_PRAGMA.
19952 (c_parser_compound_statement_nostart): Likewise.
19953 (c_parser_statement_after_labels): Likewise.
19954 (c_parser_pragma): New.
19955 (pragma_lex): Likewise.
19956 (c_parser_pragma_pch_preprocess): New.
19957 (c_parser_new): Merge into ...
19958 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
19960 2006-01-04 Jeff Law <law@redhat.com>
19963 * tree-cfg.c (bsi_replace): Remove the original statement
19964 from the EH throw statement table.
19966 2006-01-04 Jakub Jelinek <jakub@redhat.com>
19968 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
19969 make the prototype extern "C" and add throw ().
19972 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
19973 and pos non-negative and pos + len <= 32.
19974 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
19975 drop pos + len < HOST_BITS_PER_WIDE_INT test.
19976 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
19979 * c-common.c (handle_vector_size_attribute): Reject zero vector size
19980 as well as sizes not multiple of component size.
19983 * function.c (instantiate_expr): New function.
19984 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
19985 walk its DECL_VALUE_EXPR with instantiate_expr.
19987 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
19988 DW_OP_deref{,_size} if address isn't going to be added.
19990 2006-01-04 Ben Elliston <bje@au.ibm.com>
19992 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
19993 * config/fp-bit.c: Likewise.
19995 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
19997 * dominance.c: Add comment about why we use DFS numbering
20000 2006-01-03 Jakub Jelinek <jakub@redhat.com>
20001 Richard Henderson <rth@redhat.com>
20003 Merge from gomp-branch:
20004 * varasm.c (assemble_variable): Handle thread-local COMMON data.
20005 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
20007 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
20009 PR rtl-optimization/25578
20010 * combine.c (combine_simplify_rtx, force_to_mode): Don't
20011 pass a parameter to simplify_shift_const if changing ASHIFTRT
20014 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
20016 * builtins.c (get_builtin_sync_mem): New function.
20017 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
20018 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
20019 Call get_builtin_sync_mem to generate mem rtx.
20021 2006-01-03 Richard Guenther <rguenther@suse.de>
20024 * stmt.c (add_case_node): Make sure to clear overflow flags
20027 2006-01-03 Jakub Jelinek <jakub@redhat.com>
20029 Merge from gomp-branch.
20030 * config/sparc/sync.md: New file.
20031 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
20032 UNSPECV_LDSTUB): New constants.
20033 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
20034 * config/sparc/predicates.md (memory_reg_operand): New predicate.
20035 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
20038 2006-01-03 Roger Sayle <roger@eyesopen.com>
20040 * combine.c (reg_subword_p): New predicate to test whether the
20041 destination of a set refers to a subword/piece of a register.
20042 (try_combine): Generalize the code to merge the setting of a
20043 pseudo to a constant followed by a set of a subword of that
20044 register to a constant.
20046 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
20048 * basic-block.h (control_flow_graph): Change the type of
20049 x_label_to_block_map to VEC(basic_block,gc) *.
20050 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
20051 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
20053 * tree-ssa-propagate.c (cfg_blocks): Change the type to
20054 VEC(basic_block,heap) *.
20055 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
20056 ssa_prop_fini): Adjust the uses of cfg_blocks.
20058 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
20060 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
20062 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
20063 hashing trees instead of a pointer hash.
20064 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
20065 compare for MEM_EXPR.
20067 PR rtl-optimization/25130
20068 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
20069 when comparing MEMs for GCSE
20071 2006-01-03 Ben Elliston <bje@au.ibm.com>
20073 * targhooks.h (default_decimal_float_supported_p): Declare.
20074 * targhooks.c (default_decimal_float_supported_p): Define.
20075 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
20076 `default_decimal_float_supported_p'.
20077 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
20079 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
20081 * combine.c (apply_distributive_law <SUBREG>): Check
20082 TRULY_NOOP_TRUNCATION.
20084 2006-01-02 Geoffrey Keating <geoffk@apple.com>
20086 * dwarf2out.c (have_switched_text_section): Delete.
20087 (have_multiple_function_sections): New.
20088 (have_location_lists): Make 'bool'.
20089 (add_AT_loc_list): Use 'true' not '1'.
20090 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
20091 (output_loc_list): Use have_multiple_function_sections.
20092 (output_ranges): Likewise.
20093 (dwarf2out_begin_function): Set have_multiple_function_sections if
20095 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
20096 Check function_section rather than DECL_SECTION_NAME.
20097 (dwarf2out_finish): Use have_multiple_function_sections.
20098 Don't clear have_location_lists.
20100 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
20101 Jan Hubicka <jh@suse.cz>
20103 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
20104 case of conditional jump jumping to the next instruction.
20105 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
20106 cases of conditional jump jumping to the next instruction.
20108 2006-01-02 Jan Hubicka <jh@suse.cz>
20110 * i386.c (*_cost): Add COSTS_N_INSNS.
20111 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
20113 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
20116 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
20118 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
20120 * config/arm/arm.c (all_fpus): Fix comment typo.
20121 * config/darwin.c: Likewise.
20122 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
20123 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
20124 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
20126 2006-01-01 David Edelsohn <edelsohn@gnu.org>
20128 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
20129 (rs6000_split_compare_and_swapqhi): New.
20130 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
20131 (sync_compare_and_swapqhi_internal): New.
20132 * config/rs6000/rs6000-protos.h: Declare.