1 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
3 * config/i386/i386.md (movsf_1): Enable pattern for standard
4 80387 constants before reload when optimizing for size.
5 (*movdf_nointeger, *movdf_integer): Ditto.
6 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
7 80387 constants before reload when not optimizing for size.
9 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
10 extension of XFmode input operands.
12 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
14 * config/spu/crt0.c (__dso_handle): Define.
16 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
18 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
19 when clearing the used flags.
21 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
23 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
25 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
28 * config/spu/spu.md (extend_compare<mode>): New pattern.
29 (extend_compare): Change to expand and use the above pattern.
31 2006-11-29 Janis Johnson <janis187@us.ibm.com>
33 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
35 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
36 (DFP_INIT_ROUNDMODE): Define.
37 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
38 * mklibgcc.in: Fix dependencies for dfp-bit.c.
40 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
42 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
44 (associate_line_notes_with_blocks): Kill.
45 (extend_bb): Remove basic block argument, put void instead.
46 Remove line number handling for each bb.
47 (save_line_notes): Kill.
48 (restore_line_notes): Kill.
49 (sched_init): Remove line_note_head initialization.
50 Change extend_bb call.
51 (sched_finish): Remove free of line_note_head.
52 (add_block): Change extend_bb call.
53 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
54 rm_line_notes and restore_line_notes calls.
55 (schedule_ebbs): Remove rm_redundant_line_notes.
56 * sched-int.h (struct haifa_insn_data): Remove line_note.
57 (save_line_notes): Remove declaration.
58 (restore_line_notes): Remove declaration.
59 * modulo-sched.c (loop_canon_p): Update debug info printing
60 by using insn locators instead of line note.
61 (sms_schedule): Update debug info printing, by using insn
62 locators instead of line note.
63 * sched-rgn.c (debug_dependencies): Remove handling of case
64 n>0 (line number), since it's a dead code.
65 (schedule_region): Remove save_line_notes and
66 restore_line_notes calls.
68 2006-11-29 Joseph Myers <joseph@codesourcery.com>
70 * config/rs6000/predicates.md (gpc_reg_operand): Check
72 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
73 SImode subregs of SPE vectors.
74 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
75 * jump.c (true_regnum): Require subregs to satisfy
76 subreg_offset_representable_p.
78 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
79 Steven Bosscher <stevenb.gcc@gmail.com>
81 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
82 since it no longer exists.
84 2006-11-29 Duncan Sands <baldrick@free.fr>
86 PR tree-optimization/23744
87 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
89 2006-11-29 Duncan Sands <baldrick@free.fr>
91 PR tree-optimization/23744
92 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
94 2006-11-29 Duncan Sands <baldrick@free.fr>
96 PR tree-optimization/23744
97 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
99 2006-11-29 Jie Zhang <jie.zhang@analog.com>
101 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
103 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
105 * sh.opt (minline-ic_invalidate): New option.
106 (musermode): Adjust comment.
107 * sh.c (sh_initialize_trampoline): Emit library call unless
108 is set; if it is set, don't emit library call if we can use icbi
110 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
111 icbi for TARGET_SH4_300.
112 * t-sh (LIB1ASMFUNCS_CACHE): Set.
113 * doc/invoke.texi: Document -minline-ic_invalidate; Update
114 -musermode documentation.
116 2006-11-29 Jim Tison <jtison@us.ibm.com>
118 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
119 __gthread_recursive_mutex_init): Define.
121 2006-11-29 Joseph Myers <joseph@codesourcery.com>
123 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
124 STRICT_ALIGNMENT and the type is more aligned than the saved
125 registers, copy via a temporary.
127 2006-11-28 Andrew Pinski <pinskia@gmail.com>
130 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
133 2006-11-28 Bob Wilson <bob.wilson@acm.org>
135 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
137 2006-11-28 Jan Hubicka <jh@suse.cz>
139 Privatize SSA variables into gimple_df.
141 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
142 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
143 gimple_nonlocal_all): New accessors.
144 (first_referenced_var): Update.
145 (mark_stmt_modified): Update.
146 (is_call_clobbered): Update.
147 (mark_call_clobbered): Update.
148 (clear_call_clobbered): Update.
149 (mark_non_addressable): Update.
150 * tree-vrp.c (get_value_range): Update.
151 * tree-into-ssa.c (in_ssa_p): Kill.
152 (get_default_def_for): Update.
153 (rewrite_into_ssa): Update.
154 * tree-complex.c (init_parameter_lattice_values): Update.
155 (update_complex_assignment): Update.
156 (update_parameter_components): Update.
157 (expand_complex_libcall): Update.
158 (expand_complex_operations_1): Update.
159 * tree-tailcall.c (arg_needs_copy_p): Update.
160 (add_virtual_phis): Update.
161 (tree_optimize_tail_calls_1): Update.
162 * tree-ssa-dse.c (memory_ssa_name_same): Update.
163 * tree-ssa-copyrename.c
164 (copy_rename_partition_coalesce): Update.
165 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
166 * tree-ssa-propagate.c (set_rhs): Update.
167 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
168 addressable_vars, global_var):Kill.
169 (set_initial_properties): Update.
170 (init_alias_info): Update.
171 (finalize_ref_all_pointers): Update.
172 (setup_pointers_and_addressables): Update.
173 (maybe_create_global_var): Update.
174 (create_global_var): Update.
175 (dump_points_to_info): Update.
176 * function.h (struct gimple_df): Forward declare.
177 (struct function): Add GIMPLE_DF field.
178 * gimplify.c (force_gimple_operand): Update.
179 * tree-dfa.c (referenced_vars, default_defs): KIll.
180 (make_rename_temp): Update.
181 (dump_variable): Update.
182 (referenced_var_lookup): Update.
183 (referenced_var_check_and_insert): Update.
184 (default_def): Rename to ...
185 (gimple_default_def): ... this one; accept cfun argument.
186 (set_default_def): Update.
187 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
188 (cleanup_control_flow): Update.
189 * tree-ssa-pre.c (compute_avail): Update
190 * tree-ssa-live.c (calculate_live_on_entry): Update.
191 * tree-ssa.c (verify_use): Update.
192 (verify_call_clobbering): Update.
193 (verify_call_clobbering): Update.
194 (init_tree_ssa): Update.
195 (delete_tree_ssa): Update.
196 * tree-outof-ssa.c (coalesce_ssa_name): Update.
197 (rewrite_out_of_ssa): Update.
198 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
199 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
201 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
202 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
203 addressable_vars, aliases_computed_p): Kill.
204 (default_def): Rename to...
205 (gimple_default_def): ... this one.
206 (defaule_def_fn): Kill.
207 (num_referenced_vars, ssa_names, num_ssa_names): Update.
208 * tree-ssa-structalias.c (nonlocal_all): Kill.
209 (get_constraint_exp_from_ssa_var): Update.
210 (create_nonlocal_var): Update.
211 (get_constraint_for): Update.
212 (update_alias_info): Update.
213 (find_global_initializers): Update.
214 (intra_create_variable_infos): Update.
215 (intra_create_variable_infos):
216 (find_what_p_points_to): Update.
217 (init_alias_heapvars): Update.
218 * tree-cfg.c (remove_bb): Update.
219 (gimplify_val): Update.
220 * tree-ssa-reassoc.c (get_rank): Update.
221 (init_reassoc): Update.
222 * tree-ssanames.c: Do not include gt-tree-ssanames.h
223 (ssa_names, free_ssanames): Kill.
224 (init_ssanames): Update.
225 (make_ssa_name): Update.
226 (release_ssa_name): Update.
227 (release_defs): Update.
228 (replace_ssa_name_symbol): Update.
229 * tree-ssa-operands.c (access_can_touch_variable): Update.
230 (add_virtual_operand): Update.
231 (add_call_clobber_ops): Update.
232 (add_call_read_ops): Update.
233 (get_call_expr_operands): Update.
234 (get_asm_expr_operands): Update.
236 2006-11-28 Jan Hubicka <jh@suse.cz>
238 * builtins.c: Include tree-flow.h.
239 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
240 assignment; convert memmove to memcpy for sizes greater than 1 where
241 alignment of operands prohibit the partial overlap.
243 2006-11-28 Jan Hubicka <jh@suse.cz>
245 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
246 * cgraph.c (dump_cgraph_node): Dump stack usage.
247 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
248 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
249 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
250 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
251 (cgraph_check_inline_limits): Limit stack growth.
252 * cfgexpand.c: Include tree-inline.h.
253 (account_stack_vars): New function.
254 (expand_one_var): New param to just account the stack; return estimated
256 (expand_used_vars_for_block): Update call of expand_one_var.
257 (account_used_vars_for_block): New function.
258 (estimated_stack_frame_size): Likewise.
259 (init_vars_expansion, fini_vars_expansion): Break out from..
260 (expand_used_vars): ... here.
261 * tree-inline.h (estimated_stack_frame_size): Declare.
262 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
264 2006-11-28 Richard Guenther <rguenther@suse.de>
266 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
267 unsigned long for printing OBJECT_SIZE.
269 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
271 * alias.c (init_alias_analysis): Remove simplification loop
272 after propagating pointers.
274 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
276 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
279 2006-11-27 Bob Wilson <bob.wilson@acm.org>
281 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
283 2006-11-27 Roger Sayle <roger@eyesopen.com>
284 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
286 * c-common.c (constant_fits_type_p): Delete.
287 (unsigned_conversion_warning): Delete.
288 (conversion_warning): Integrate Wconversion warning from
289 unsigned_conversion_warning.
290 (convert_and_check): Integrate Woverflow warning from
291 unsigned_conversion_warning. Reorganize and simplify to avoid
292 dependence upon the middle-end setting TREE_OVERFLOW on integral
293 conversions, by using int_fits_type_p directly.
295 2006-11-27 Tobias Burnus <burnus@net-b.de>
297 * doc/invoke.texi: Fixed typo.
299 2006-11-27 Michael Matz <matz@suse.de>
300 Andreas Krebbel <krebbel1@de.ibm.com>
303 * config/s390/predicates.md (larl_operand): Check addend of larl
304 operand to be in range of -/+2GB.
305 * config/s390/s390.c (legitimize_pic_address): Likewise.
306 Changed type of variable even to HOST_WIDE_INT.
308 2006-11-27 Jan Hubicka <jh@suse.cz>
310 * expr.c (emit_block_move_via_libcall): Export.
311 (clear_storage_via_libcall): Rename to ...
312 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
313 (clear_storage): Update to set_storage_via_libcall.
314 * expr.h (emit_block_move_via_libcall): Declare
315 * config/i386/i386.h (stringop_alg): New enum.
316 (MAX_STRINGOP_ALGS): New constant.
317 (stringop_algs): New struct.
318 (processor_costs): Add memcpy/memset descriptors.
319 (TARGET_REP_MOVEL_OPTIMAL): Remove.
320 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
321 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
323 * config/i386/i386.opt (minline-stringops-dynamically,
324 mstringop-strategy): New
326 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
327 (ix86_expand-clrmem): Rename to ...
328 (ix86_expand_setmem): ... this one; update prototype.
329 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
330 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
331 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
332 nocona_cost, core2_cost, generic_cost, generic64_cost,
333 generic32_cost): Add memcpy/memset descriptors.
334 (x86_rep_movl_optimal): Remove.
335 (stringop_alg): New static variable.
336 (ix86_expand_aligntest): Handle predictions.
337 (override_options): Add strgop_alg handling.
338 (predict_jump): New function.
339 (scale_counter): New function.
340 (expand_set_or_movmem_via_loop): New function.
341 (expand_movmem_via_rep_mov): New function.
342 (expand_setmem_via_rep_stots): New function.
343 (emit_strmov): New function.
344 (expand_movmem_epilogue): New function.
345 (expand_setmem_epilogue_via_loop): New function.
346 (expand_setmem_epilogue): New function.
347 (expand_movmem_prologue): New function.
348 (expand_setmem_prologue): New function.
349 (decide_alg): New function.
350 (decide_alignment): New function.
351 (ix86_exand_movmem): Rewrite.
352 (promote_duplicated_reg): New function.
353 (ix86_expand_clrmem): Rename to ...
354 (ix86_expand_setmem): ... this one. Rewrite.
356 * invoke.texi (minline-stringops-dynamically): New command line option.
357 (mstringop-strategy): Likewise.
359 2006-11-27 Jan Hubicka <jh@suse.cz>
361 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
362 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
363 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
364 * insn-notes.def (FUNCTION_END): Remove.
365 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
366 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
368 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
369 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
370 * cfglayout.c (duplicate_insn_chain): Don't worry about
373 2006-11-27 Richard Guenther <rguenther@suse.de>
374 Zdenek Dvorak <dvorakz@suse.cz>
376 * target.h (struct gcc_target): Add builtin_vectorized_function
378 * target-def.h (TARGET_VECTORIZE): Likewise.
379 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
380 Document new target hook.
381 * targhooks.h (default_builtin_vectorized_function): Declare.
382 * targhooks.c (default_builtin_vectorized_function): Define.
383 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
384 (vectorizable_call): Declare.
385 * tree-vect-analyze.c (vect_analyze_operations): Call
387 * tree-vect-transform.c (vectorizable_function): New static function.
388 (build_vectorized_function_call): Likewise.
389 (vectorizable_call): New function.
390 (vect_transform_stmt): Handle vectorizable calls.
392 2006-11-27 Richard Guenther <rguenther@suse.de>
395 * builtins.c (expand_builtin_pow): Optimize non integer valued
396 constant exponents using sqrt or cbrt if possible. Always fall back
397 to expanding via optabs.
399 2006-11-27 Ira Rosen <irar@il.ibm.com>
401 PR tree-optimization/22372
402 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
403 the type of the base address.
404 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
405 it in the data-ref pointer creation.
406 (vect_init_vector): Add an argument, type of the init vector. Use it in
408 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
409 (get_initial_def_for_reduction): Likewise.
410 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
412 (vectorizable_assignment, vect_permute_store_chain): Likewise.
413 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
414 correct type in stmt creation.
415 (vect_setup_realignment): Use the correct type in stmt creation.
416 (vect_permute_load_chain): Change type of MODIFY_EXPR to
418 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
419 of MODIFY_EXPR to void_type_node.
420 (vectorizable_condition): Change type of MODIFY_EXPR to
422 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
425 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
428 2006-05-08 Uros Bizjak <uros@kss-loka.si>
429 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
430 standard 80387 constants, raise the cost to prevent
431 compress_float_constant() to generate load from memory.
433 * config/i386/i386.md: Add new splitter pattern to split
434 float_extended load of constant from constant pool into
437 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
439 * doc/install.texi: Move GMP/MPFR configure options from Fortran
440 section to general section. Remove documentation for
441 --with-mpfr-dir and --with-gmp-dir, add documentation for
442 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
445 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
447 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
449 * testsuite/gcc.dg/ipa/ipa-6.c: New.
451 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
453 PR tree-optimization/29122
454 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
455 for the new version. Assign NULL to DECL_RTL of the new version.
457 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
459 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
461 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
463 * cse.c (cse_altered): Remove.
464 (record_jump_equiv): Make true/false argument a bool instead
466 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
467 where appropriate. Emit a new jump before the existing one
468 instead of after so that delete_insn_and_edges removes the
469 dead edges properly. Check any_condjump_p before calling
471 (cse_basic_block): Check any_condjump_p before calling
473 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
475 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
477 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
478 -ffixed-line-length-* options.
480 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
482 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
483 (fprem1xf4): Rename to fprem1xf4_i387.
485 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
486 Rename patterns to fmod<mode>3. Use general_operand operand
487 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
488 patterns for SSE math.
489 (remaindersf3, remainderdf3): Ditto.
491 2006-11-25 Joseph Myers <joseph@codesourcery.com>
493 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
494 inside start_sequence / end_sequence pair.
496 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
498 * jump.c (mark_all_labels): Work in cfglayout mode.
499 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
500 when in cfglayout mode, because there are no dead jumptables
502 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
504 (commit_edge_insertions): Do not allow insertion of instructions
505 with control flow insns when in cfglayout mode.
507 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
509 * tree-vrp.c (execute_vrp): Do not pass loops structure through
511 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
512 unswitch_loop): Ditto.
513 * tree-loop-linear.c (linear_transform_loops): Ditto.
514 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
515 tree_ssa_lim): Ditto.
516 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
517 free_numbers_of_iterations_estimates): Ditto.
518 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
519 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
520 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
521 remove_path, add_loop, loopify, unloop, fix_loop_placements,
522 place_new_loop, duplicate_loop, duplicate_subloops,
523 update_single_exit_for_duplicated_loops, copy_loops_to,
524 duplicate_loop_to_header_edge, create_preheaders,
525 force_single_succ_latches, loop_version, fix_loop_structure):
527 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
528 tree_unroll_loop): Ditto.
529 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
530 * tree-scalar-evolution.c (select_loops_exit_conditions,
531 scev_initialize, scev_analysis): Ditto.
532 * tree-scalar-evolution.h (scev_initialize): Ditto.
533 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
534 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
535 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
536 * modulo-sched.c (sms_schedule): Ditto.
537 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
538 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
539 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
540 * ifcvt.c (if_convert): Ditto.
541 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
542 canonicalize_loop_induction_variables,
543 canonicalize_induction_variables,
544 tree_unroll_loops_completely, remove_empty_loops): Ditto.
545 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
546 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
547 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
548 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
549 tree_ssa_loop_done): Ditto.
550 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
551 estimate_bb_frequencies): Ditto.
552 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
553 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
554 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
555 decide_unrolling_and_peeling, peel_loop_completely,
556 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
557 peel_loop_simple, unroll_loop_stupid): Ditto.
558 * loop-doloop.c (doloop_optimize_loops): Ditto.
559 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
560 * loop-invariant.c (move_loop_invariants): Ditto.
561 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
562 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
563 tree_ssa_prefetch_arrays): Ditto.
564 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
566 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
567 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
568 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
569 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
570 verify_loop_structure): Ditto.
571 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
572 canonicalize_induction_variables, tree_unroll_loops_completely,
573 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
574 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
575 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
576 tree_unroll_loop, linear_transform_loops): Declaration changed.
577 * basic-block.h: Remove declaration of struct loops.
578 * cfghooks.h (struct cfg_hooks): Change type of
579 cfg_hook_duplicate_loop_to_header_edge.
580 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
581 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
582 vect_transform_loop): Declaration changed.
583 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
584 * cfgloop.h (flow_loops_dump, fix_loop_structure,
585 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
586 cancel_loop_tree, create_preheaders, force_single_succ_latches,
587 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
588 loopify, loop_version, remove_path, unswitch_loops,
589 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
592 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
594 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
595 (X87MODEF): New mode macro.
596 (ssemodefsuffix): New mode attribute.
597 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
598 (sqrt_extend<mode>xf2_i387): New insn pattern.
599 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
600 insn and truncate result back to original mode using
601 UNSPEC_TRUNC_NOOP truncation.
602 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
603 ssemodefsuffix mode attribute.
604 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
605 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
606 (*sqrtextenddfxf2_i387): Remove insn patterns.
608 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
611 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
613 2006-11-24 Jakub Jelinek <jakub@redhat.com>
616 * c-tree.h (c_maybe_initialize_eh): New prototype.
617 * c-decl.c (finish_decl): Move EH initialization...
618 (c_maybe_initialize_eh): ... here. New function.
619 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
620 if not #pragma omp atomic.
623 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
624 or UNION_TYPE inner types.
626 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
629 * ipa-pure-const.c (check_tree): If the original tree
630 is volatile return early and say the function is not pure
631 nor const. Remove the volatile check for writes.
632 (analyze_function): Print out the result of the local
635 2006-11-24 Joseph Myers <joseph@codesourcery.com>
637 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
639 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
640 * config/rs6000/rs6000.c (rs6000_override_options): Use
641 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
644 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
646 * config/s390.c (s390_emit_compare_and_swap): New function.
647 (s390_expand_cs_hqi, s390_expand_atomic): Call
648 s390_emit_compare_and_swap.
650 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
652 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
654 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
658 * c-common.c (conversion_warning): New.
659 (convert_and_check): Call conversion_warning unless there is an
661 * doc/invoke.texi (-Wconversion): Update description.
663 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
665 * tree-ssa-alias.c (tree_pointer_compare): New function.
666 (compact_name_tags): New function.
667 (group_aliases): Call compact_name_tags.
669 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
671 * real.h (real_isinteger): Declare.
672 * real.c (real_isinteger): Define.
673 * builtins.c (integer_valued_real_p): Use it.
675 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
678 * c.opt (Wtraditional-conversion): New.
679 (Wconversion): Update description.
680 * c-typeck.c (convert_arguments): Warnings for prototypes causing
681 type conversions different from what would happen in the absence
682 of prototype are now handled by Wtraditional-conversion.
683 * doc/invoke.texi (Wtraditional-conversion): New.
684 (Wconversion): Update description.
685 * doc/trouble.texi (Wconversion): Replace Wconversion by
686 Wtraditional-conversion.
688 2006-11-23 Andrew Pinski <pinskia@gmail.com>
690 * predict.c (tree_estimate_probability): Check to make
691 sure current_loops is non null before calling flow_loops_dump.
693 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
695 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
697 2006-11-23 David Ung <davidu@mips.com>
699 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
701 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
702 (ASM_SPEC): Pass along -mfp32 and -mfp64.
703 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
704 high part of FP register when in 64-bit FP register mode. Similarly
705 use gen_mfhc1 to load high part of FP register.
706 (override_options): Allow -mgp32 and -mfp64 combination if
707 ISA_HAS_MXHC1 (currently for O32 only).
708 (mips_cannot_change_mode_class): If floating-point registers are
709 bigger than word size. disallow conversion of float register from a
710 large integer mode to a float mode smaller than the float register
712 (mips_class_max_nregs): Handle float registers case seperately.
713 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
715 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
716 (movdf_hardfloat_32bit): Similarly.
717 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
718 support a full 64-bit fpu.
719 (mthc1): New pattern to generate MTHC1 instruction.
720 (mfhc1): New pattern to generate MFHC1 instruction.
721 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
722 option for the MIPS32R2 and mention its use under O32 ABI.
724 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
726 * var-tracking.c (emit_note_insn_var_location): Take care not to
727 cause verify_flow_info failures.
729 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
731 * tree-ssa-structalias.c: Remove edge weights in favor of just
732 processing them as complex constraints.
733 (struct constraint_graph): Remove weighted succs and preds. Rename
734 nonweighted succs and preds.
735 (constraint_edge): Removed.
736 (constraint_edge_t): Ditto.
737 (constraint_edge_pool): Ditto.
738 (new_constraint_edge): Ditto.
739 (constraint_edge_equal): Ditto.
740 (constraint_edge_less): Ditto.
741 (constraint_edge_vec_find): Ditto.
742 (erase_self_graph_edge): Ditto.
743 (add_graph_edge): Removed.
744 (get_graph_weights): Ditto.
745 (allocate_graph_weights): Ditto.
746 (valid_weighted_graph_edge): Ditto
747 (bitmap_other_than_zero_bit_set): Ditto.
748 (int_add_graph_edge): Renamed to add_graph_edge.
749 (clear_edges_for_node): Remove support for weighted edges.
750 (merge_graph_nodes): Ditto.
751 (valid_graph_edge): Ditto.
752 (build_constraint_graph): Ditto.
754 (collapse_nodes): Ditto.
755 (process_unification_queue): Ditto.
757 (do_ds_constraint): Ditto.
758 (perform_var_subsitution): Ditto.
759 (solve_graph): Ditto.
760 (init_alias_vars): Ditto.
761 (delete_points_to_sets): Ditto.
762 (do_complex_constraint): Support offsetted copies here.
764 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
766 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
768 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
770 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
773 2006-11-23 Ben Elliston <bje@au.ibm.com>
775 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
777 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
779 PR tree-optimization/29921
780 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
781 signed and unsigned zero equal.
783 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
785 * config/rs6000/rs6000.c (get_store_dest): New.
786 (adjacent_mem_locations): Use get_store_dest() to get
787 the rtl of the store destination.
789 2006-11-22 Joseph Myers <joseph@codesourcery.com>
791 * config/rs6000/spe.md (SPE64): New mode macro.
792 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
794 (mov_si<mode>_e500_subreg0_2): New.
795 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
797 (mov_si<mode>_e500_subreg4_2): New.
798 * config/rs6000/predicates.md (input_operand): Do not allow
799 invalid E500 subregs.
800 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
802 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
803 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
804 involving vector modes if TARGET_SPE.
806 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
809 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
810 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
812 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
814 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
815 mem_i_address_operand): New predicates.
816 * config/bfin/bfin.c (bfin_issue_rate): New function.
817 (TARGET_SCHED_ISSUE_RATE): New macro.
818 * config/bfin/bfin.md (addrtype): New attribute.
819 (slot0, slot1, slot2, store, pregs): New cpu_units.
820 (core): Now a define_reservation.
821 (alu): Remove some insn types from this reservation.
822 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
824 (dummy reservation): Don't trigger for mcld insns.
825 (absence_sets): Two new absence sets to enforce slot ordering.
826 (popsi_insn): Set addrtype.
828 2006-11-22 Ira Rosen <irar@il.ibm.com>
830 * doc/c-tree.texi: Document new tree codes.
831 * doc/md.texi: Document new optabs.
832 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
834 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
835 * optabs.h (optab_index): Add new.
836 (vec_extract_even_optab, vec_extract_odd_optab,
837 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
838 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
839 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
841 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
842 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
843 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
844 along with macros for their access.
845 * tree-data-ref.h (first_location_in_loop, data_reference): Update
847 * tree-vect-analyze.c (toplev.h): Include.
848 (vect_determine_vectorization_factor): Fix indentation.
849 (vect_insert_into_interleaving_chain,
850 vect_update_interleaving_chain, vect_equal_offsets): New functions.
851 (vect_analyze_data_ref_dependence): Add argument for interleaving
852 check. Check for interleaving if it's true.
853 (vect_check_dependences): New function.
854 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
855 every ddr. Call vect_analyze_data_ref_dependence with new argument.
856 (vect_update_misalignment_for_peel): Update for interleaving.
857 (vect_verify_datarefs_alignment): Check only first data-ref for
859 (vect_enhance_data_refs_alignment): Update for interleaving. Check
860 only first data-ref for interleaving.
861 (vect_analyze_data_ref_access): Check interleaving, update
863 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
864 with different parameters.
865 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
866 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
867 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
868 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
869 Update step in case of interleaving.
870 (vect_strided_store_supported, vect_permute_store_chain): New
872 (vectorizable_store): Handle strided stores.
873 (vect_strided_load_supported, vect_permute_load_chain,
874 vect_transform_strided_load): New functions.
875 (vectorizable_load): Handle strided loads.
876 (vect_transform_stmt): Add argument. Handle strided stores. Check
877 that vectorized stmt exists for patterns.
878 (vect_gen_niters_for_prolog_loop): Update calculation for
880 (vect_transform_loop): Remove stmt_vec_info for strided stores after
881 whole chain vectorization.
882 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
883 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
884 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
885 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
886 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
888 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
890 * cse.c (enum taken): Remove PATH_AROUND.
891 (addr_affects_sp_p, invalidate_skipped_set,
892 invalidate_skipped_block): Remove.
893 (cse_end_of_basic_block): Remove skip_blocks and related code.
894 (cse_main): Don't test for flag_cse_skip_blocks.
895 Update cse_end_of_basic_block call.
896 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
897 code to lengthen the path if a jump was simplified.
899 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
901 PR rtl-optimization/29924
902 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
903 (unroll_loop_runtime_iterations): Assert that the argument passed to
904 split_edge_and_insert is not NULL.
905 * loop-doloop.c (add_test): Ditto.
907 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
909 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
911 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
912 * cfgloopmanip.c (update_single_exits_after_duplication,
913 update_single_exit_for_duplicated_loop, loop_version): Ditto.
914 * tree-scalar-evolution.c (get_loop_exit_condition,
915 get_exit_conditions_rec, loop_closed_phi_def,
916 number_of_iterations_in_loop, scev_const_prop): Ditto.
917 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
918 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
920 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
922 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
923 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
924 slpeel_make_loop_iterate_ntimes,
925 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
926 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
928 * tree-if-conv.c (if_convertible_loop_p): Ditto.
929 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
930 vect_analyze_loop_form): Ditto.
931 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
932 can_convert_to_perfect_nest, perfect_nestify): Ditto.
933 * tree-vect-transform.c (vect_create_epilog_for_reduction,
934 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
935 vect_transform_loop): Ditto.
936 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
937 (single_exit, set_single_exit): New functions.
938 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
939 (single_exit, set_single_exit): Declare.
940 * doc/loop.texi: Undocument single_exit field. Document single_exit
943 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
945 PR tree-optimization/29902
946 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
947 any involved ssa name appears in abnormal phi node.
949 2006-11-21 Bob Wilson <bob.wilson@acm.org>
951 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
952 (xtensa_const_ok_for_letter_p): Delete.
953 (xtensa_extra_constraint): Delete.
954 (override_options): Delete xtensa_char_to_class initialization.
955 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
956 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
957 (EXTRA_CONSTRAINT): Delete.
958 * config/xtensa/xtensa.md: Include constraints.md.
959 (call_internal): Combine alternatives.
960 (call_value_internal): Likewise, and remove invalid constraints.
961 * config/xtensa/constraints.md: New file.
962 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
963 (xtensa_extra_constraint): Delete.
964 * doc/md.texi (Machine Constraints): Refer to constraints.md for
967 2006-11-21 Janis Johnson <janis187@us.ibm.com>
969 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
970 of conversion that doesn't fit.
972 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
973 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
974 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
976 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
978 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
980 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
982 2006-11-21 Richard Guenther <rguenther@suse.de>
984 * tree-vectorizer.h (NUM_PATTERNS): Increase.
985 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
986 vect_recog_pow_pattern.
987 (vect_recog_pow_pattern): New function.
989 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
991 * config/bfin/bfin.opt (mstack-check-l1): New.
992 * doc/invoke.texi (Blackfin Options): Document it.
993 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
994 stack bounds in L1 memory if the new option is enabled.
995 (override_options): Don't allow combinations of -fstack-limit and
997 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
1000 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
1002 (bfin_register_move_cost): Bump costs if trying to move plain
1003 integer values through accumulators.
1005 2006-11-21 Ben Elliston <bje@au.ibm.com>
1007 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
1009 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
1010 Russell Olsen <Russell_Olsen@playstation.sony.com>
1011 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
1012 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
1013 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
1014 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
1015 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1017 * config.gcc: Add target for SPU.
1018 * config/spu/constraints.md: New file.
1019 * config/spu/crt0.c: New file.
1020 * config/spu/crtend.c: New file.
1021 * config/spu/crti.asm: New file.
1022 * config/spu/crtn.asm: New file.
1023 * config/spu/float_unsdidf.c: New file.
1024 * config/spu/float_unssidf.c: New file.
1025 * config/spu/predicates.md: New file.
1026 * config/spu/spu-builtins.def: New file.
1027 * config/spu/spu-builtins.h: New file.
1028 * config/spu/spu-builtins.md: New file.
1029 * config/spu/spu-c.c: New file.
1030 * config/spu/spu-elf.h: New file.
1031 * config/spu/spu-modes.def: New file.
1032 * config/spu/spu-protos.h: New file.
1033 * config/spu/spu.c: New file.
1034 * config/spu/spu.h: New file.
1035 * config/spu/spu.md: New file.
1036 * config/spu/spu.opt: New file.
1037 * config/spu/spu_internals.h: New file.
1038 * config/spu/spu_intrinsics.h: New file.
1039 * config/spu/spu_mfcio.h: New file.
1040 * config/spu/t-spu-elf: New file.
1041 * config/spu/vec_types.h: New file.
1042 * config/spu/vmx2spu.h: New file.
1043 * doc/contrib.texi: Document SPU contributor.
1044 * doc/extend.texi: Document SPU extensions.
1045 * doc/invoke.texi: Document SPU options.
1046 * doc/md.texi: Document SPU constraints.
1048 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1050 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
1052 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
1054 (flow_loop_dump): Do not dump loop level.
1055 (flow_loops_find): Do not call flow_loops_level_compute.
1056 * cfgloop.h (struct loop): Remove level field.
1058 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1060 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
1061 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
1062 Use vector of edges instead of array.
1063 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
1064 estimate_numbers_of_iterations_loop): Ditto.
1065 * predict.c (predict_loops): Ditto.
1066 * loop-unroll.c (analyze_insns_in_loop): Ditto.
1067 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
1069 * basic-block.h: Declare heap allocation for edge vectors.
1070 * tree-outof-ssa.c: Ditto.
1071 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
1072 * cfgloop.h (get_loop_exit_edges): Declaration changed.
1074 2006-11-20 Zack Weinberg <zackw@panix.com>
1076 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
1077 Add another out parameter, "skip".
1078 (set_gc_used_type): Adjust calls to process_gc_options. If a field
1079 is tagged "skip", do not mark its type used.
1081 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1084 * tree-sra.c (single_scalar_field_in_record_p): New function.
1085 (decide_block_copy): Use it.
1087 2006-11-20 David Daney <ddaney@avtrex.com>
1089 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
1090 PC to point to following instruction.
1092 2006-11-20 Anatoly Sokolov <aesok@post.ru>
1096 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
1098 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
1100 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
1102 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1103 Add sh/superh.h to tm_file.
1105 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
1106 Mark Mitchell <mark@codesourcery.com>
1108 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
1110 (cpp_relocated): New function.
1111 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
1113 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
1114 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
1115 replace configured prefix with gcc_exec_prefix.
1117 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
1119 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
1120 bfin_legitimate_constant_p.
1121 * config/bfin/bfin.md (movsi expander): Check return value of
1123 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
1124 (expand_move): Adjust prototype.
1125 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
1126 invalid constants specially.
1127 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
1129 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
1131 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
1132 sibcall_value_symbol): Allow these patterns if
1133 TARGET_LEAF_ID_SHARED_LIBRARY.
1134 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
1135 (override_options): Turn on id shared library flags if -msep-data,
1136 but disallow the combination of these options on the command line.
1137 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
1138 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
1139 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
1140 -mid-shared-library.
1141 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
1142 * doc/invoke.texi (Blackfin Options): Document new switches.
1144 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
1145 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
1147 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
1148 inflate costs for addresses with an out-of-bounds address.
1150 2006-11-19 Andrew Pinski <pinskia@gmail.com>
1153 * fwprop.c (loops): Remove.
1154 (forward_propagate_into): Use current_loops instead of
1156 (fwprop_init): Call loop_optimizer_init instead of
1158 (fwprop_done): Call loop_optimizer_finalize instead of
1160 (fwprop): Use current_loops instead of loops.
1162 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
1165 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
1167 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1170 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
1171 larger than BITS_PER_WORD.
1173 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1177 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
1178 to MAX_FIXED_MODE_SIZE.
1180 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1182 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
1183 (fold_builtin_fmin_fmax): New.
1184 (fold_builtin_1): Use it.
1186 * fold-const.c (fold_strip_sign_ops): Handle copysign.
1188 2006-11-18 Richard Guenther <rguenther@suse.de>
1190 * config/i386/i386.c (ix86_builtins): New array for ix86
1191 builtin function decls.
1192 (def_builtin): New function.
1193 (def_builtin_const): Likewise.
1194 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
1196 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
1198 * doc/invoke.texi (core2): Add item.
1200 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
1202 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
1203 (TARGET_CPU_DEFAULT_generic): Change value.
1204 (TARGET_CPU_DEFAULT_NAMES): Add core2.
1205 (processor_type): Add new constant PROCESSOR_CORE2.
1207 * config/i386/i386.md (cpu): Add core2.
1209 * config/i386/i386.c (core2_cost): New initialized variable.
1210 (m_CORE2): New macro.
1211 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
1212 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
1213 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1214 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1215 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1216 x86_accumulate_outgoing_args, x86_prologue_using_move,
1217 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1218 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
1219 x86_use_incdec, x86_four_jump_limit, x86_schedule,
1220 x86_pad_returns): Add m_CORE2.
1221 (override_options): Add entries for Core2.
1222 (ix86_issue_rate): Add case for Core2.
1224 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
1226 * doc/invoke.texi: Fix mno-isel typo.
1228 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1230 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
1231 easy vector constant loads.
1233 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1235 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
1236 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1237 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
1238 * config/rs6000/sync.md (lwsync): Emit plain sync if
1241 2006-11-17 DJ Delorie <dj@redhat.com>
1243 * reload1.c (reloads_unique_chain): New.
1244 (reloads_conflict): Call it.
1246 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1248 * config/xtensa/predicates.md (addsubx_operand): New.
1249 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
1250 (xtensa_emit_bit_branch): New.
1251 (xtensa_emit_movcc): New.
1252 * config/xtensa/xtensa.md (any_minmax): New code macro.
1253 (minmax): New code attribute.
1254 (any_cond, any_scc, any_scc_sf): New code macros.
1255 (*addx2, *addx4, *addx8): Delete.
1257 (*subx2, *subx4, *subx8): Delete.
1259 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
1260 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
1261 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
1262 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
1263 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
1264 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
1265 (movsfcc_internal0, movsfcc_internal1): Likewise.
1266 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
1267 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
1268 (xtensa_emit_bit_branch): New.
1269 (xtensa_emit_movcc): New.
1270 (function_arg_boundary): Add missing prototype.
1272 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1274 * config/xtensa/xtensa.md (tstsi): Delete
1276 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1278 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
1280 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1282 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1284 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1286 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
1288 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1290 * tree-vrp.c (execute_vrp): Do not update current_loops.
1291 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
1292 * doc/loop.texi: Remove documentation for cancelled functions.
1293 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
1294 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
1296 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
1297 (remove_path): Ensure that in delete_basic_blocks, the loops
1298 are still allocated.
1299 (add_loop): Work on valid loop structures.
1300 (loopify): Modify call of add_loop.
1301 (mfb_update_loops): Removed.
1302 (create_preheader): Do not update loops explicitly.
1303 (force_single_succ_latches, loop_version): Do not use
1304 loop_split_edge_with.
1305 (loop_split_edge_with): Removed.
1306 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
1307 Do not use bsi_insert_on_edge_immediate_loop.
1308 (split_loop_exit_edge, tree_unroll_loop): Do not use
1309 loop_split_edge_with.
1310 (bsi_insert_on_edge_immediate_loop): Removed.
1311 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
1312 use loop_split_edge_with.
1313 * cfghooks.c: Include cfgloop.h.
1314 (verify_flow_info): Verify that loop_father is filled iff current_loops
1316 (redirect_edge_and_branch_force, split_block, delete_basic_block,
1317 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
1319 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
1321 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
1322 loop_split_edge_with.
1323 (sms_schedule): Use current_loops.
1324 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
1325 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
1327 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
1328 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
1329 * ifcvt.c (if_convert): Ditto.
1330 * predict.c (predict_loops): Do not clear current_loops.
1331 (tree_estimate_probability): Use current_loops.
1332 (propagate_freq): Receive head of the region to propagate instead of
1334 (estimate_loops_at_level): Do not use shared to_visit bitmap.
1335 (estimate_loops): New function. Handle case current_loops == NULL.
1336 (estimate_bb_frequencies): Do not allocate tovisit. Use
1338 * tree-ssa-loop.c (current_loops): Removed.
1339 (tree_loop_optimizer_init): Do not return loops.
1340 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
1341 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
1342 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
1343 Do not update loops explicitly.
1344 * function.h (struct function): Add x_current_loops field.
1345 (current_loops): New macro.
1346 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
1347 * loop-unroll.c (split_edge_and_insert): New function.
1348 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
1349 use loop_split_edge_with.
1350 * loop-doloop.c (add_test, doloop_modify): Ditto.
1351 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
1352 * cfglayout.c (copy_bbs): Do not update loops explicitly.
1353 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
1354 * tree-vect-transform.c (vect_transform_loop): Do not update loops
1356 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
1357 (flow_loops_free): Do not free dfs_order and rc_order.
1358 (flow_loops_find): Do not set dfs_order and rc_order in loops
1359 structure. Do not call loops and flow info verification.
1360 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
1361 already belongs to some loop.
1362 * cfgloop.h (struct loops): Remove struct cfg.
1363 (current_loops, loop_split_edge_with): Declaration removed.
1364 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
1365 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
1366 Declaration removed.
1367 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
1368 * basic-block.h (split_edge_and_insert): Declare.
1369 * tree-cfg.c (remove_bb): Do not update loops explicitly.
1371 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1373 PR tree-optimization/29801
1374 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
1375 (get_default_value): Use get_symbol_constant_value.
1376 (set_lattice_value): ICE when the value of the constant is
1378 (visit_assignment): Ignore VDEFs of read-only variables.
1380 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1382 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
1384 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1385 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
1387 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1389 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
1390 select subvars of var.
1392 2006-11-17 Jakub Jelinek <jakub@redhat.com>
1395 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
1396 optimize if DEF doesn't have integral type.
1398 2006-11-16 Mike Stump <mrs@apple.com>
1400 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
1401 pre-darwin9 system, unless the user asks for it directly.
1402 (PREFERRED_DEBUGGING_TYPE): Likewise.
1403 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
1404 * config.gcc: Add suppport for darwin9.h.
1405 * config/darwin9.h: Add.
1406 * doc/install.texi (Specific): Clarify darwin documentation.
1408 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1410 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
1411 optimizing for size.
1413 2006-11-16 Mike Stump <mrs@apple.com>
1415 * Makefile.in (targhooks.o): Add $(OPTABS_H).
1417 2006-11-16 Dirk Mueller <dmueller@suse.de>
1419 * tree-vrp.c (get_value_range): Use XCNEW instead
1421 (insert_range_assertions): Use XCNEWVEC instead
1422 of XNEWVEC and memset.
1423 (vrp_initialize): Same.
1424 (vrp_finalize): Same.
1425 * tree-ssa-ccp.c (ccp_initialize): Same.
1426 * predict.c (tree_bb_level_predictions): Same.
1427 * calls.c (expand_call): Same.
1428 * tree-ssa-copy.c (init_copy_prop): Same.
1429 (fini_copy_prop): Same.
1430 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
1431 of GGC_NEW and memset.
1433 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
1436 * gimplify.c (gimplify_expr): Only force a load for references to
1437 non-BLKmode volatile values.
1438 * doc/implement-c.texi (Qualifiers implementation): Document the
1439 interpretation of what a volatile access is.
1440 * doc/extend.texi (C++ Extensions): Rework same documentation.
1442 2006-11-16 Joseph Myers <joseph@codesourcery.com>
1444 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
1447 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1449 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
1451 (arm_neg_abssi2): Renamed from neg_abssi2.
1452 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
1454 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
1456 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
1457 number of arguments passed to local functions in SSE registers is 3.
1459 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
1460 number of arguments passed in SSE registers to 3.
1462 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1465 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
1467 (get_last_bb_insn): ... new global function.
1468 (basic_block.h): Declare it.
1469 * haifa-sched.c (create_recovery_block): Use it.
1471 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
1474 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
1476 2006-11-15 Paul Brook <paul@codesourcery.com>
1478 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
1479 _Unwind_GetTextRelBase): Move from here ...
1480 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
1481 _Unwind_GetTextRelBase): ... To here.
1483 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1485 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
1486 addresses we generate for testing are aligned.
1488 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
1491 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
1492 to what is the const decl is a place holder for.
1494 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1496 * config/i386/i386.opt: New target option -mx87regparm.
1498 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
1499 and float_in_x87 variables. mmx_words, sse_words: Remove.
1500 (X87_REGPARM_MAX): Define.
1502 * config/i386/i386.c (override_options): Error out for
1503 -mx87regparm but no 80387 support.
1504 (ix86_attribute_table): Add x87regparm.
1505 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1506 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1507 (ix86_function_x87regparm): New function.
1508 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1510 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1512 (function_arg_advance): Process x87_nregs and x87_regno when
1513 floating point argument is to be passed in 80387 register.
1514 (function_arg): Pass XFmode arguments in 80387 registers for local
1515 functions. Pass SFmode and DFmode arguments to local functions
1516 in 80387 registers when flag_unsafe_math_optimizations is set.
1518 * reg-stack.c (convert_regs_entry): Disable NaN load for
1519 stack registers that are used for argument passing.
1521 * doc/extend.texi: Document x87regparm function attribute.
1522 * doc/invoke.texi: Document -mx87regparm.
1524 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1526 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
1527 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
1528 arg MODE; all callers changed. Use it to determine validity per
1529 machine mode instead of using Pmode for all memory references.
1530 (get_address_cost): Likewise add and use new arg MEM_MODE.
1532 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
1533 J"orn Rennecke <joern.rennecke@st.com>
1535 * combine.c (likely_spilled_retval_1): Fix masking operation.
1536 (likely_spilled_retval_p): Use proper pattern for call to
1537 likely_spilled_retval_1.
1539 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1541 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
1543 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
1544 that tests for CONSTANT_POOL_ADDRESS_P.
1546 2006-11-15 Jakub Jelinek <jakub@redhat.com>
1548 PR tree-optimization/29581
1549 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
1550 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
1551 type is different between Y and USE, create a temporary
1552 variable, initialize it at the beginning of the body bb
1553 and use it as replacement instead of Y.
1555 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
1558 * gimplify.c (fold_indirect_ref_rhs): Use
1559 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
1561 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
1563 * expmed.c (emit_store_flag_1): New function.
1564 (emit_store_flag): Call it. If we can't find a suitable scc insn,
1566 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
1567 Use do_compare_rtx_and_jump.
1568 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
1569 * arm.md (cstoresi4): New define_expand.
1570 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
1571 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
1572 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
1574 2006-11-14 Caroline Tice <ctice@apple.com>
1576 * dwarf2out.c (debug_pubtypes_section): New static global variable.
1577 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
1579 (pubname_table): Redefine as a vector.
1580 (pubtype_table): New static global variable, defined as a vector.
1581 (pubname_table_allocated): Remove static global variable.
1582 (pubname_table_in_use): Remove static global variable.
1583 (PUBNAME_TABLE_INCREMENT): Remove constant.
1584 (size_of_pubnames): Add parameter to deal with either pubnames or
1585 pubtypes, and change code to deal with table being a vector.
1586 (add_pubname): Change to deal with table being a vector.
1587 (add_pubtype): New function.
1588 (output_pubnames): Add parameter to deal with either pubnames or
1589 pubtypes, and change code to deal with table being a vector.
1590 (gen_array_type_die): Add call to add_pubtype.
1591 (gen_enumeration_type_die): Add call to add_pubtype.
1592 (gen_struct_or_union_type_die): Add call to add_pubtype.
1593 (gen_subroutine_type_die): Add call to add_pubtype.
1594 (gen_typedef_die): Add call to add_pubtype.
1595 (dwarf2out_init): Add code to initialize pubname_table and
1596 pubtype_table vectors; also initialize debug_pubtypes_section.
1597 (prune_unused_types): Change to deal with pubnames being a vector.
1598 (dwarf2out_finish): Change to deal with pubnames being a vector; add
1599 pubnames table to call to output_pubnames; Add code to output pubtypes
1600 table if DEBUG_PUBTYPES_SECTION is defined.
1601 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
1603 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
1605 2006-11-14 Joseph Myers <joseph@codesourcery.com>
1607 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
1608 iwmmxt_nregs if TARGET_IWMMXT_ABI.
1609 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
1610 movv2si_internal): Support moves between core registers.
1612 2006-11-14 Eric Christopher <echristo@apple.com>
1614 * configure: Regenerate with autoconf 2.59.
1616 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
1618 Fix PR tree-optimization/27755
1620 * tree-ssa-pre.c: Update comments.
1621 (bb_bitmap_sets): Add pa_in and deferred member.
1622 (BB_DEFERRED): New macro.
1623 (maximal_set): New variable.
1624 (pre_stats): Add pa_insert member.
1625 (bitmap_set_and): Short circuit orig == dest.
1626 (bitmap_set_subtract_values): New function.
1627 (bitmap_set_contains_expr): Ditto.
1628 (translate_vuses_through_block): Add phiblock argument.
1629 (dependent_clean): New function.
1630 (compute_antic_aux): Update for maximal_set changes.
1631 (compute_partial_antic_aux): New function.
1632 (compute_antic): Handle partial anticipation.
1633 (do_partial_partial_insertion): New function.
1634 (insert_aux): Handle partial anticipation.
1635 (add_to_sets): Add to maximal set.
1636 (compute_avail): Ditto.
1637 (init_pre): Initialize maximal_set.
1638 (execute_pre): Do partial anticipation if -O3+.
1640 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
1642 PR rtl-optimization/29798
1644 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
1645 TARGET_INSN before any other check.
1646 (fwprop_init): Always calculate dominators.
1647 (fwprop_done): Always free them.
1649 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1651 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
1654 2006-11-13 DJ Delorie <dj@redhat.com>
1656 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
1657 temporary for intermediates.
1659 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
1661 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
1662 (sh_optimize_target_register_callee_saved): #if 0 the code
1663 using NOTE_INSN_LOOP_{BEG,END}.
1665 2006-11-13 Roger Sayle <roger@eyesopen.com>
1667 * fold-const.c (optimize_bit_field_compare): Recursively call
1668 fold when simplifying non-constant comparisons between bit-fields.
1670 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1672 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
1674 * configure: Rebuilt.
1676 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
1678 * config/rs6000/cell.md: New file.
1679 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
1681 (ppccell_cost): New cost matrix.
1682 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
1683 (rs6000_override_options): Set rs6000_always_hint to false
1684 for cell. Also align functions/lables/loops to 8byte
1685 for the Cell. Use PROCESSOR_CELL.
1686 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
1687 using_mtcr_multiple.
1688 (rs6000_variable_issue): If the insn is a nonpipelined instruction
1689 on the Cell, return 0.
1690 (rs6000_adjust_cost): Add Cell cost adjustments.
1691 (is_microcoded_insn): Return true for Cell microcoded
1693 (is_nonpipeline_insn): New function.
1694 (rs6000_issue_rate): Add PROCESSOR_CELL.
1695 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
1697 (rs6000_use_sched_lookahead_guard): New function.
1698 (rs6000_sched_reorder): Reorder the ready list, if the second
1699 to last ready insn is a nonepipeline insn on the Cell.
1700 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
1701 (ASM_CPU_SPEC): Add Cell.
1702 * config/rs6000/rs6000.md (cpu): Add Cell.
1703 (cell_micro): New Attr.
1706 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1708 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
1710 * configure: Rebuilt.
1712 2006-11-13 Richard Guenther <rguenther@suse.de>
1714 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
1716 (ix86_expand_lfloorceil): Likewise.
1717 (ix86_expand_rint): Likewise.
1718 (ix86_expand_floorceildf_32): Likewise.
1719 (ix86_expand_floorceil): Likewise.
1720 (ix86_expand_rounddf_32): Likewise.
1721 (ix86_expand_truncdf_32): Likewise.
1722 (ix86_expand_round): Likewise.
1724 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
1725 Mark Mitchell <mark@codesourcery.com>
1727 * gcc.c: Organize search path variables into $prefix relative,
1728 and well-known native. Add comments.
1729 (add_sysrooted_prefix): Add comment.
1730 (process_command): If !gcc_exec_prefix add $prefix based paths.
1731 If *cross_compile == '0', add native well-known paths.
1732 Assert tooldir_base_prefix is always relative.
1733 (main): If print_search_dirs, and if gcc_exec_prefix is set,
1734 use this value for 'install:' path.
1735 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
1737 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1739 * config/i386/i386.c: Fix a typo in comment.
1741 2006-11-13 Michael Matz <matz@suse.de>
1743 * genemit.c (gen_expand): Allocate enough memory.
1745 2006-11-13 Joseph Myers <joseph@codesourcery.com>
1747 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
1748 __GXX_TYPEINFO_EQUALITY_INLINE but not
1749 __GXX_MERGED_TYPEINFO_NAMES.
1750 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
1751 __GXX_MERGED_TYPEINFO_NAMES.
1752 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
1753 __GXX_TYPEINFO_EQUALITY_INLINE.
1755 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1756 Zdenek Dvorak <dvorakz@suse.cz>
1758 PR tree-optimization/29680
1759 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
1762 2006-11-12 Jason Merrill <jason@redhat.com>
1763 Andrew Pinski <pinskia@physics.uc.edu>
1766 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
1768 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
1770 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
1771 * tree.c (build_vector): Handle non-_CST elements.
1773 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
1775 * genemit.c (gen_insn): Call gen_exp with a non-null used
1776 when handling multiple insns.
1777 (gen_expand): Likewise.
1778 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
1779 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
1780 (movsi_const_16bit+1): Copy operands[1].
1781 (call_pcrel): Copy the call_site pattern.
1782 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
1784 2006-11-12 Roger Sayle <roger@eyesopen.com>
1786 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
1787 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
1788 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
1789 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
1791 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
1793 Fix PR tree-optimization/29587
1794 * tree-ssa-structalias.c (process_constraint): Don't
1795 mark address taken due only to escaped vars constraint.
1797 2006-11-12 Michael Matz <matz@suse.de>
1798 Roger Sayle <roger@eyesopen.com>
1800 PR rtl-optimization/29797
1801 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
1802 BITS_BIG_ENDIAN targets.
1804 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1806 * builtins.c (fold_builtin_cosh): New.
1807 (fold_builtin_1): Use it.
1808 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
1809 trunc to the list of "odd" functions. Also add llrint, lrint,
1810 rint and nearbyint when flag_rounding_math is false.
1812 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1814 * tree-flow.h (name_mappings_registered_p): Declare.
1815 * tree-into-ssa.c (name_mappings_registered_p): New function.
1816 * tree-cfg.c (tree_can_merge_blocks_p): Check
1817 name_mappings_registered_p instead of need_ssa_update_p.
1819 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1821 * tree-ssa-loop.c (tree_vectorize): Return the result of
1823 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
1824 if anything changed.
1825 * tree-vectorizer.h (vectorize_loops): Declaration removed.
1826 * tree-flow.h (vectorize_loops): Declaration changed.
1828 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1830 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
1832 (issue_prefetch_ref): Move assignment to write_p out of loop.
1833 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
1834 SIMULTANEOUS_PREFETCHES into account.
1835 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
1836 * lambda-code.c (lcm): Renamed to ...
1837 (least_common_multiple): ... and exported.
1838 * tree-flow.h (least_common_multiple): Declare.
1840 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1842 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
1843 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
1844 ud-chains. Handle AND_EXPR.
1845 (record_estimate): Record whether the estimate is realistic
1846 and whether it is derived from a loop exit.
1847 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
1848 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
1850 (compute_estimated_nb_iterations): Take only realistic bounds into
1851 account. Set estimate_state. Use double_ints.
1852 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
1853 and infer_loop_bounds_from_signedness. Do not consider basic blocks
1854 that do not have to be always executed.
1855 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
1856 to determine whether to call infer_loop_bounds_from_undefined
1857 and compute_estimated_nb_iterations.
1858 (n_of_executions_at_most): Use double_ints.
1859 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
1860 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
1861 * double-int.c (double_int_to_tree): Improve comment.
1862 (double_int_fits_to_tree_p): New function.
1863 * double-int.h (double_int_fits_to_tree_p): Declare.
1864 * tree-data-ref.c: Include langhooks.h.
1865 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
1866 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
1867 (analyze_array): Do not pass estimate_only argument to
1868 analyze_array_indexes.
1869 (get_number_of_iters_for_loop): Build tree from the stored double_int
1871 (get_references_in_stmt, find_data_references_in_stmt): New functions.
1872 (find_data_references_in_loop): Use find_data_references_in_stmt.
1873 * tree-data-ref.h (struct data_ref_loc_d): New.
1874 (get_references_in_stmt): Declare.
1875 (estimate_iters_using_array): Declaration removed.
1876 * cfgloop.h (struct nb_iter_bound): Change type of bound to
1877 double_int. Improve comments. Add is_exit and realistic
1879 (struct loop): Changed type of estimated_nb_iterations to double_int.
1880 Added estimate_state field.
1881 (record_estimate): Declaration removed.
1883 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1885 * params.c (set_param_value): Initialize the "set" field.
1886 * params.h (struct param_info): Add "set" field.
1887 (PARAM_SET_P): New macro.
1888 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
1889 L1_CACHE_LINE_SIZE): New macros.
1890 * toplev.c (DEFPARAM): Initialize the "set" field.
1891 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
1892 SIMULTANEOUS_PREFETCHES): Removed.
1893 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
1894 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
1895 * config/sparc/sparc.c: Include params.h.
1896 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
1897 L1_CACHE_LINE_SIZE parameters.
1898 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1900 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1902 * config/i386/i386.c: Include params.h.
1903 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
1904 (override_options): Set SIMULTANEOUS_PREFETCHES and
1905 L1_CACHE_LINE_SIZE parameters.
1906 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
1907 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
1908 L1_CACHE_LINE_SIZE parameters.
1909 * config/ia64/ia64.c (ia64_optimization_options): Set
1910 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
1911 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
1913 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
1914 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
1915 * doc/invoke.texi: Document new params.
1917 2006-11-12 Roger Sayle <roger@eyesopen.com>
1919 PR tree-optimization/13827
1920 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
1923 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1925 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
1926 update_single_exit_for_duplicated_loops): New functions.
1927 (duplicate_loop_to_header_edge): Use
1928 update_single_exit_for_duplicated_loops.
1929 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
1930 functions only with ENABLE_CHECKING.
1932 2006-11-12 Andreas Schwab <schwab@suse.de>
1934 * except.c (sjlj_emit_function_enter): Remove unused variable.
1936 2006-11-11 Roger Sayle <roger@eyesopen.com>
1938 * fold-const.c (int_binop_types_match_p): New function.
1939 (size_binop): Relax constraint that both arguments must both have
1940 exactly the same sizetype type. Instead use int_binop_types_match_p.
1941 (size_diffop): Likewise.
1943 (make_range): Use build_int_cst instead of fold_convert.
1944 (fold_cond_expr_with_comparison): Use build_int_cst to construct
1945 integer constants of the correct type.
1946 (fold_div_compare): Likewise.
1947 (fold_single_bit_test): Likewise.
1948 (fold_binary): Likewise.
1949 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
1950 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
1952 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1955 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
1956 non null value if the struct memory access is in the 0th
1959 2006-11-12 Jie Zhang <jie.zhang@analog.com>
1962 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1963 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1966 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
1967 instead of builtin_define for bfin and BFIN.
1969 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1971 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1974 2006-11-11 Jan Hubicka <jh@suse.cz>
1976 * extend.texi (__builtin_expect): We no longer require second argument
1978 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
1979 * builtins.c (expand_builtin_expect): Simplify.
1980 (expand_builtin_expect_jump): Kill.
1981 * final.c (final_scan_insn): Do not skip the removed notes.
1982 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
1983 EXPECTED_VALUE): Remove.
1984 * dojump.c (do_jump): Do not care about __builtin_expect.
1985 * predict.c (expected_value_to_br_prob): Kill.
1986 * function.c (expand_function_end): Do not expand
1987 NOTE_INSN_REPEATED_LINE_NUMBER.
1988 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
1989 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
1990 * cfgexpand.c (add_reg_br_prob_note): Export.
1991 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1992 expected_value_to_br_prob.
1993 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
1994 * rtl.h (add_reg_br_prob_note): Declare.
1996 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1998 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
2000 2006-11-11 Jan Hubicka <jh@suse.cz>
2002 * predict.c (predict_loops): Kill RTL variant.
2004 2006-11-11 Jan Hubicka <jh@suse.cz>
2006 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
2007 * modulo-sched.c (find_line_note): Remove.
2008 (loop_canon_p): Do not worry about line number notes.
2009 (sms_schedule): Likewise.
2010 * cse.c (cse_main): Likewise.
2011 * regmove.c (fixup_match_1): Likewise
2012 * function.c (emit_return_info_block): Likewise.
2013 (expand_function_end): Likewise.
2014 (thread_prologue_an_epilogue_insns): Likewise.
2015 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
2017 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
2018 emit_note_copy_after): Kill.
2019 (emit_note_copy): Do not worry about line numbers.
2020 * jump.c (purge_line_number_notes): Kill.
2021 (pass_purge_lineno_notes): Kill.
2022 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
2024 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
2025 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
2026 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
2027 * tree-pass.h (pass_purge_lineno_notes): Kill.
2028 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
2029 rm_redundant_line_notes.
2030 * sched-rgb.c (schedule_region): Don't rm_line_notes,
2031 rm_redundant_line_notes.
2032 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
2033 * haifa-sched.c: Update comment about handling notes.
2034 (unlink_line_notes): Kill.
2035 (rm_line_notes): Kill.
2036 (save_line_notes): Simplify.
2037 (rm_redundant_line_notes): Kill.
2039 2006-11-11 Richard Guenther <rguenther@suse.de>
2041 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
2042 Remove unused tree codes.
2043 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
2044 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
2045 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2046 * tree.c (stabilize_reference): Likewise.
2047 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
2048 fold_unary): Likewise.
2049 * tree-gimple.c (is_gimple_cast): Likewise.
2050 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
2051 * expr.c (expand_expr_real_1): Likewise.
2052 * tree-eh.c (tree_could_trap_p): Likewise.
2053 * gimplify.c (gimplify_expr): Likewise.
2054 * tree-inline.c (estimate_num_insns_1): Likewise.
2055 * tree-cfg.c (verify_expr): Likewise.
2057 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
2059 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
2060 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
2061 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
2063 2006-11-11 Richard Sandiford <richard@codesourcery.com>
2066 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
2067 constraints accept neither registers or memories.
2069 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2071 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
2072 (NO_PROFILE_COUNTERS): Define as 1.
2074 2006-11-10 Roger Sayle <roger@eyesopen.com>
2076 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
2077 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
2079 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
2081 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
2083 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2085 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
2086 (fold_builtin_hypot): Likewise.
2087 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
2089 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
2091 2006-11-10 Roger Sayle <roger@eyesopen.com>
2093 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
2094 when attempting to build INTEGER_CSTs of non-integral types.
2095 * expmed.c (make_tree): Use the correct type, i.e. the inner
2096 type, when constructing the individual elements of a CONST_VECTOR.
2098 2006-11-10 Jan Hubicka <jh@suse.cz>
2100 * cse.c (cse_process_notes): Copy the propagated value.
2101 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
2103 * gcse.c (try_replace_reg): Copy the replacement.
2104 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
2105 (assign_386_stack_local): Always return copied memory expression
2106 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
2109 2006-11-10 Jan Hubicka <jh@suse.cz>
2111 * final.c (final): Walk from first instruction.
2112 * cfglayout.c (insn_locators_initialize): Remove line number notes.
2114 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
2117 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
2119 (umulv8hi3_highpart): Ditto.
2120 (vec_widen_smult_hi_v8hi): New expander.
2121 (vec_widen_smult_lo_v8hi): Ditto.
2123 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2126 * builtins.c (do_mpfr_arg3): New.
2127 (fold_builtin_1): Handle builtins fma, fmin and fmax.
2129 2006-11-09 Eric Christopher <echristo@apple.com>
2134 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
2135 * config.gcc (powerpc64-*-darwin*): New target.
2136 * config.host: Ditto.
2137 * config/rs6000/darwin64.h: New file.
2138 * config/rs6000/x-darwin64: Ditto.
2139 * config/rs6000/host-ppc64-darwin.c: Ditto.
2141 2006-11-09 Steve Ellcey <sje@cup.hp.com>
2143 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
2144 routines for integer division.
2146 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
2148 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
2150 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
2153 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
2155 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
2157 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
2158 simplify_subreg with BLKmode outer mode.
2160 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
2162 * doc/invoke.texi: Minor formatting fixes in option lists.
2164 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
2166 PR tree-optimization/29738
2167 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
2168 (ccp_lattice_t): Remove UNKNOWN_VAL.
2169 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
2170 Do not handle UNKNOWN_VAL.
2171 (get_default_value): Set initial value of virtual operands to
2173 (get_value): Always use get_default_value on uninitialized
2175 (set_value_varying, surely_varying_stmt_p): New functions.
2176 (set_lattice_value): Do not pass argument to get_value.
2177 Do not handle UNKNOWN_VAL.
2178 (likely_value): Follow the semantics described in the comment.
2179 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
2180 phi nodes DONT_SIMULATE_AGAIN.
2181 (ccp_fold): Do not pass argument to get_value.
2182 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
2185 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
2187 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2188 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
2190 2006-11-08 Roger Sayle <roger@eyesopen.com>
2192 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
2193 test for inclusion rather than as a test for exclusion.
2194 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
2195 the condition after calling fold_binary.
2196 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
2197 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
2198 * builtins.c (fold_builtin_isascii): Likewise.
2199 (fold_builtin_isdigit): Likewise.
2201 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
2203 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
2204 * configure: Regenerate.
2206 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2208 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
2209 enum argument instead of bool.
2210 (vect_analyze_operations): Call vectorizable_type_promotion.
2211 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
2212 stmt_vec_info_type value.
2213 (supportable_widening_operation, vectorizable_type_promotion): New
2214 function declarations.
2215 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
2216 (vectorizable_type_promotion): New function.
2217 (vect_transform_stmt): Call vectorizable_type_promotion.
2218 * tree-vect-analyze.c (supportable_widening_operation): New function.
2219 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
2221 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2224 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
2225 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
2226 * tree-inline.c (estimate_num_insns_1): Add cases for above new
2228 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2229 * expr.c (expand_expr_real_1): Likewise.
2230 * optabs.c (optab_for_tree_code): Likewise.
2231 (init_optabs): Initialize new optabs.
2232 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
2233 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
2234 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
2235 vec_unpacku_lo_optab): Initialize new optabs.
2236 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
2237 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
2238 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
2240 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
2241 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
2242 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
2243 (vec_unpacku_lo_optab): New optabs.
2244 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
2245 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
2246 (vec_widen_smult_hi, vec_widen_smult_lo): New.
2247 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
2248 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
2249 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
2251 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
2252 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
2253 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
2254 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
2255 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
2256 implement the unsigned unpacking patterns.
2257 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
2258 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
2259 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
2260 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
2261 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
2262 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
2263 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
2264 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
2265 multiplication patterns.
2267 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
2268 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
2269 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2270 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
2271 (rs6000_builtin_mul_widen_odd): New.
2272 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
2273 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
2274 * tree-vectorizer.h (enum vect_relevant): New enum type.
2275 (_stmt_vec_info): Field relevant chaned from bool to enum
2277 (STMT_VINFO_RELEVANT_P): Updated.
2278 (STMT_VINFO_RELEVANT): New.
2279 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
2280 instead of STMT_VINFO_RELEVANT_P.
2281 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
2282 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
2283 and boolean variable with enum vect_relevant.
2284 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
2285 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
2286 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2288 2006-11-08 Richard Henderson <rth@redhat.com>
2290 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
2291 vec_widen_umult_lo_v8hi): New.
2292 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
2293 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
2295 * config/i386/i386.c (ix86_expand_sse_unpack): New.
2296 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
2297 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
2298 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
2299 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
2300 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
2301 vec_unpacks_lo_v4si): New.
2303 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2305 * tree-vect-transform.c (vectorizable_type_demotion): New function.
2306 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
2307 (vect_analyze_operations): Call vectorizable_type_demotion.
2308 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
2309 stmt_vec_info_type value.
2310 (vectorizable_type_demotion): New function declaration.
2311 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2314 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
2315 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
2317 * tree-iniline.c (estimate_num_insns_1): Likewise.
2318 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2319 * optabs.c (optab_for_tree_code): Likewise.
2321 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
2322 compared against the predicate of the result is not 'mode' (the input
2323 to the function) but a mode with half the size of 'mode'.
2324 (init_optab): Initialize new optabs.
2325 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
2327 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
2329 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
2330 (vec_pack_usat_optab): Initialize new optabs.
2331 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
2332 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
2334 2006-11-08 Richard Henderson <rth@redehat.com>
2336 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
2337 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
2338 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
2339 (vec_interleave_highv4si, vec_interleave_lowv4si):
2340 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
2342 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2344 * tree-vect-transform.c (vectorizable_reduction): Support multiple
2346 (vect_transform_stmt): Removed redundant code.
2348 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2350 * tree-vect-transform.c (vectorizable_operation): Support multiple
2353 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2355 * tree-vect-transform.c (vect_align_data_ref): Removed.
2356 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
2357 Updated function documentation. Return the increment stmt in ptr_incr.
2358 (bump_vector_ptr): New function.
2359 (vect_get_vec_def_for_stmt_copy): New function.
2360 (vect_finish_stmt_generation): Create a stmt_info to newly created
2362 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
2364 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
2365 VF is greater than the number of elements that can fit in one vector
2367 (vectorizable_operation, vectorizable_condition): Likewise.
2368 (vectorizable_store, vectorizable_load): Support the case that the VF
2369 is greater than the number of elements that can fit in one vector word.
2370 (vect_transform_loop): Don't fail in case of multiple data-types.
2371 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
2372 in case of multiple data-types; the smallest type determines the VF.
2373 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
2374 if they are of different sizes.
2375 (vect_update_misalignment_for_peel): Compare misalignments in terms of
2376 number of elements rather than number of bytes.
2377 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
2378 (vect_can_advance_ivs_p): Fix a dump printout
2380 2006-11-07 Eric Christopher <echristo@apple.com>
2382 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
2383 (__bswapsi2): Ditto.
2384 * libgcc2.h: Remove transformation of bswap routines.
2385 * config/i386/i386.md (bswapsi2): New.
2388 2006-11-07 Jakub Jelinek <jakub@redhat.com>
2390 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
2391 (handle_gnu_inline_attribute): New function.
2392 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
2393 (merge_decls, start_decl, start_function): Likewise.
2394 * doc/extend.texi: Document gnu_inline attribute.
2396 2006-11-07 Steve Ellcey <sje@cup.hp.com>
2399 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
2400 _fixunstfdi, and _floatditf
2402 2006-11-06 Anatoly Sokolov <aesok@post.ru>
2404 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
2406 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
2407 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
2408 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
2409 which start in an odd register.
2411 2006-11-07 Richard Sandiford <richard@codesourcery.com>
2413 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
2415 2006-11-07 Josh Conner <jconner@apple.com>
2417 * doc/invoke.texi (fstrict-aliasing): Move implementation
2419 * doc/tree-ssa.texi (Alias analysis): ...here.
2421 2006-11-07 Richard Guenther <rguenther@suse.de>
2423 PR tree-optimization/29610
2424 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
2425 of tree_purge_dead_eh_edges as it may free dominators.
2427 * g++.dg/other/pr29610.C: New testcase.
2429 2006-11-07 David Ung <davidu@mips.com>
2431 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
2432 costs when optimizing for size.
2433 (override_options): Use mips_rtx_cost_optimize_size table for cost
2436 2006-11-07 Jie Zhang <jie.zhang@analog.com>
2438 * gcc.c (process_command): Treat -b as normal switch if its argument
2441 2006-11-07 David Ung <davidu@mips.com>
2443 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
2446 2006-11-06 Eric Christopher <echristo@apple.com>
2448 * config.gcc: Add x86_64-darwin host support.
2449 * config.host: Ditto.
2450 * config/i386/darwin64.h: New file.
2451 * config/i386/t-darwin64: Ditto.
2453 2006-11-06 Janis Johnson <janis187@us.ibm.com>
2455 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
2456 and output-exists-not.
2458 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2461 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
2462 checking for overflow.
2464 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
2466 * configure.ac: Fixed typo in case statement: :: changed to ;;
2468 2006-11-06 Bob Wilson <bob.wilson@acm.org>
2470 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
2471 count_leading_zeros, and count_trailing_zeros.
2472 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
2473 (TARGET_FOLD_BUILTIN): Define.
2474 (TARGET_EXPAND_BUILTIN): Define.
2475 (xtensa_init_builtins): New.
2476 (xtensa_fold_builtin): New.
2477 (xtensa_expand_builtin): New.
2478 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
2479 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
2480 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
2481 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
2482 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
2483 (any_extend): New code macro.
2484 (u, su): New code attributes.
2485 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
2486 (nsau): Remove; replaced by clzsi2.
2487 (ffssi2): Use clzsi2.
2488 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
2489 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
2490 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
2491 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
2492 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
2494 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
2496 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
2498 * config/arm/t-strongarm-elf: Likewise.
2499 * config/arm/t-pe: Likewise.
2500 * config/arm/t-arm-elf: Likewise.
2501 * config/arm/t-xscale-elf: Likewise.
2502 * config/arm/t-arm-coff: Likewise.
2503 * config/arm/t-xscale-coff: Likewise.
2504 * config/arm/t-wince-pe: Likewise.
2506 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
2508 * config/sh/lib1funcs-4-300.asm: Guard entire file with
2511 2006-11-05 Jakub Jelinek <jakub@redhat.com>
2514 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
2517 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2520 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
2521 as a valid 80387 constant.
2522 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
2523 * config/i386/i386.md (unnamed splitter): Split the load of
2524 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
2527 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
2529 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
2530 from the soft-frame, argument and virtual registers.
2532 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2534 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
2535 patterns for standard 80387 constants.
2537 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
2538 Steven Bosscher <steven@gcc.gnu.org>
2540 * fwprop.c: New file.
2541 * Makefile.in: Add fwprop.o.
2542 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
2543 * passes.c (init_optimization_passes): Schedule forward propagation.
2544 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
2546 * timevar.def (TV_FWPROP): New.
2547 * common.opt (-fforward-propagate): New.
2548 * opts.c (decode_options): Enable forward propagation at -O2.
2549 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
2550 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
2551 canon_for_address, table_size): Remove.
2552 (new_basic_block, insert, remove_from_table): Remove references to
2554 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
2555 simplification loop more straightforward by not calling fold_rtx
2557 (equiv_constant): Move here a small part of fold_rtx_subreg,
2558 do not call fold_rtx. Call avoid_constant_pool_reference
2560 * recog.h (canonicalize_change_group): New.
2562 * doc/invoke.texi (Optimization Options): Document fwprop.
2563 * doc/passes.texi (RTL passes): Document fwprop.
2565 2006-11-03 Geoffrey Keating <geoffk@apple.com>
2567 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
2568 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
2569 (grokdeclarator): Likewise.
2571 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
2573 * tree-dump.c (dump_enable_all): Rename local variable
2574 ir_type to avoid name conflicts.
2575 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
2576 instead of using ir_type().
2577 * profile.c (tree_register_profile_hooks): Likewise.
2578 * value-prof.c (tree_register_value_prof_hooks): Likewise.
2579 * basic-block.h (struct edge_def): Likewise.
2580 * config/arm/arm.c (legitimize_pic_address): Likewise.
2581 * coretypes.h (ir_type): New enum of all intermediate languages
2583 * cfghooks.c (ir_type): Rename to...
2584 (current_ir_type): ...this. Distinguish between cfgrtl and
2585 cfglayout mode when the current IR is RTL. Return enum ir_type.
2586 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
2588 2006-11-03 Paul Brook <paul@codesourcery.com>
2590 * config/arm/arm.c (arm_file_start): New function.
2591 (TARGET_ASM_FILE_START): Define.
2592 (arm_default_cpu): New variable.
2593 (arm_override_options): Set arm_default_cpu.
2595 2006-11-03 David Ung <davidu@mips.com>
2597 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
2598 PROCESSOR_24KC and PROCESSOR_24KF.
2599 * config/mips/mips.c (mips_cpu_info_table): Add processor names
2600 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
2601 (mips_rtx_cost_data): Add costs for the 24kc.
2602 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
2603 * config/mips/24k.md: Remove references to 24k and replace with
2604 uses of 24kc/24kf in the appropriate reservations.
2605 * doc/invoke.texi (MIPS Options): Updated.
2607 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2609 * config/sh/crt1.asm: Fix #ifdef indent.
2611 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2612 Merged from STMicroelectronics sources:
2613 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
2614 * config/sh/crt1.asm (vbr_600): Add missing #if.
2615 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
2616 * sh.opt (mfused-madd): New option.
2617 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
2618 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2619 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
2620 Remove pointless handler at VBR+0.
2621 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
2622 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
2623 fr7. Make sure the timer handler is called with the correct FPU
2624 precision setting, according to the ABI.
2625 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
2626 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
2627 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
2628 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
2629 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
2630 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
2631 zero as second operand.
2632 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
2633 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2634 Fixed some bugs related to negative values, in particular -0
2635 and overflow at -0x80000000.
2636 * config/sh/divcost-analysis: Added sh4-300 figures.
2637 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
2638 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
2639 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
2640 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
2641 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
2642 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2644 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
2646 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
2647 SH4-300 scheduling description & fixes to SH4-[12]00 description:
2648 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
2649 mac_mem, mem_mac, dfp_mul, fp_cmp.
2650 (insn_class, dfp_comp, any_fp_comp): Update.
2651 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
2652 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
2653 (muldf3_i): Likewise.
2654 (movsi_i): Split rI08 alternative into two separate alternatives.
2656 (movsi_ie, movsi_i_lowpart): Likewise.
2657 (movqi_i): Split ri alternative into two separate alternatives.
2659 * sh1.md (sh1_load_store, sh1_fp): Update.
2660 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
2661 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
2662 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
2663 (sh4a_fp_double_arith): Likewise.
2664 * sh4-300.md: New file.
2665 * sh.c (sh_handle_option): Handle m4-300* options.
2666 (sh_adjust_cost): Fix latency of auto-increments.
2667 Handle SH4-300 differently than other SH4s. Check for new insn types.
2668 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
2669 been set by an option.
2670 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
2671 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
2672 (mbranch-cost=): Likewise.
2673 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
2675 * sh.md (mulsf3): Remove special expansion code.
2676 (mulsf3_ie): Now a define_insn_and_split.
2677 (macsf3): Allow for TARGET_SH4.
2679 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
2680 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
2681 (expand_cbranchdi4): Likewise.
2682 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
2683 CONST_DOUBLE if the outer code is COMPARE.
2684 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
2685 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
2686 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
2687 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
2688 Remove redundant fp_{zero,one}_operand checks.
2689 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
2690 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
2691 (expand_cbranchdi4): Likewise.
2692 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
2693 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
2695 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
2697 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
2700 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
2702 * doc/invoke.texi: Fix mfp-trap-mode typo.
2704 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
2706 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
2707 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
2708 file_end_indicate_exec_stack.
2709 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
2711 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
2712 for a non-executable stack.
2713 * crti.asm: Likewise.
2714 * crtn.asm: Likewise.
2715 * libunwind.S: Likewise.
2717 2006-11-02 Ben Elliston <bje@au.ibm.com>
2719 * tree-ssa.c (warn_uninit): Use expand_location variables for
2720 locus and declaration locus.
2722 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
2725 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
2726 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
2727 cmp{eq,gt,gtu}{si,di}_media.
2728 (*cmpne0si_media): Remove.
2729 (*movsicc_umin): Adjust gen_cmp*_media call.
2730 (unordered): Change the mode of unordered and operands[1] to
2732 (seq): Adjust gen_cmp*_media calls. Make the mode of
2733 a temporary result of compare SImode if needed. If the mode
2734 of operands[0] is DImode, extend the temporary result to DImode.
2735 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
2736 (sunorderd): Change the mode of match_operand and unorderd to
2738 (cmpeq{sf,df}_media): Remove.
2739 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
2740 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
2741 and compare operation to SImode.
2743 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
2745 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
2747 (sparc64-sun-solaris2*): Likewise.
2749 2006-11-02 Paul Brook <paul@codesourcery.com>
2751 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
2752 from priority argument. Use different section for non-default
2754 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
2756 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
2759 * except.c (switch_to_exception_section): Do not cache the section
2760 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2761 and flag_function_sections is set.
2763 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2766 * builtins.c (do_mpfr_sincos): New.
2767 (fold_builtin_1): Use it to fold builtin sincos.
2769 2006-11-01 Roger Sayle <roger@eyesopen.com>
2771 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
2772 it into -D_REENTRANT.
2774 2006-11-01 Roger Sayle <roger@eyesopen.com>
2776 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
2777 whether the assembler supports taking the difference of symbols in
2778 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
2779 * configure: Regenerate.
2780 * config.in: Regenerate.
2781 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
2782 the assembler doesn't support taking the difference of symbols in
2783 different sections, i.e. we're using the native solaris assembler.
2785 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
2786 Peter Bergner <bergner@vnet.ibm.com>
2788 * doc/invoke.texi: Add cpu_type power6x
2789 (RS/6000 and PowerPC Options): Add -mmfpgpr.
2790 * config.gcc: Add cpu_type power6x.
2791 * configure.ac: Add test for mf{t,f}gpr instructions.
2792 (HAVE_AS_MFPGPR): New.
2793 * config.in: Regenerate.
2794 * configure: Regenerate.
2795 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
2796 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
2797 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
2798 and mftgpr attributes.
2799 (define_attr "cpu"): Add power6.
2800 Change instruction sequences to use new attributes.
2801 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
2802 (fix_truncdfsi2_mfpgpr): New.
2803 (floatsidf_ppc64_mfpgpr): New.
2804 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
2805 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
2806 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
2807 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
2808 (fix_truncdfsi2): Use gpc_reg_operand constraint.
2809 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
2810 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
2811 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
2812 cntlz,exts and var_delayed_compare.
2813 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2814 _ARCH_PWR6X, if features enabled.
2815 * config/rs6000/rs6000.opt (mmfpgpr): New.
2816 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
2817 (cached_can_issue_more): New variable.
2818 (processor_costs): Add power6_cost.
2819 (rs6000_sched_init): New function.
2820 (is_dispatch_slot_restricted): Deleted.
2821 (set_to_load_agen): New function.
2822 (is_load_insn,is_store_insn): New functions.
2823 (adjacent_mem_locations): New function.
2824 (insn_must_be_first_in_group): New function.
2825 (insn_must_be_last_in_group): New function.
2826 (rs6000_sched_reorder): New function.
2827 (rs6000_sched_reorder2): New function.
2828 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
2829 TARGET_SCHED_REORDER2): Define.
2830 (processor_target_table): Use PROCESSOR_POWER6 for power6.
2831 Add power6x. Add MASK_MFPGPR for power6x.
2832 (POWERPC_MASKS): Add MASK_MFPGPR.
2833 (rs6000_override_options): Set rs6000_always_hint to false
2834 for power6. Set rs6000_align_branch_targets. Replace
2835 rs6000_sched_groups check with rs6000_align_branch_targets.
2836 Use PROCESSOR_POWER6.
2837 (last_scheduled_insn): New variable.
2838 (load_store_pendulum): New variable.
2839 (rs6000_variable_issue): Set last_scheduled_insn and
2840 cached_can_issue_more.
2841 (rs6000_adjust_cost): Add power6 cost adjustments.
2842 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
2843 with insn_must_be_first_in_group. Add power6 priority adjustments.
2844 (rs6000_issue_rate): Add CPU_POWER6.
2845 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
2846 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
2847 (TARGET_MFPGPR): New.
2848 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
2849 (ASM_CPU_SPEC): Add power6x.
2850 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
2852 * config/rs6000/power6.md: New file.
2854 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
2856 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2857 HOST_WIDE_INT_PRINT to print high and low parts. Use
2858 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
2859 printing a hexadecimal number prefix it with 0x.
2861 2006-11-01 Chris Johns <chris@contemporary.net.au>
2864 * Makefile.in (install-driver): Use exeext when installing
2865 $target-gcc-$version.
2867 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
2869 * c-common.c (flag_cpp0x): New.
2870 * c-common.h (flag_cpp0x): New.
2871 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
2872 supported, define __GXX_EXPERIMENTAL_CPP0X__.
2873 * c-opts.c (set_std_cxx0x): New.
2874 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
2875 * c.opt (std=c++0x): Document.
2876 (std=gnu++0x): Ditto.
2877 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
2878 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
2880 2006-11-01 Richard Guenther <rguenther@suse.de>
2882 * config/i386/i386.c (ix86_expand_rint): Fix issues with
2884 (ix86_expand_floorceildf_32): Likewise.
2885 (ix86_expand_floorceil): Likewise.
2886 (ix86_expand_trunc): Likewise.
2888 2006-10-31 Andrew Pinski <pinskia@gmail.com>
2890 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
2893 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
2895 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
2897 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
2899 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
2901 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
2902 * configure.ac (use_cxa_atexit): As a special case, don't test
2903 for libc definition of __cxa_atexit on mingw32
2904 * configure: Regenerate.
2905 * config.gcc (i[34567]86-pc-mingw32): Default to
2906 enable__cxa_atexit=yes.
2908 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2910 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
2912 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2915 * c-decl.c (start_struct): Don't create self-containing
2917 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2919 * config/rs6000/rs6000-protos.h
2920 (darwin_rs6000_special_round_type_align): New.
2921 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
2922 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
2924 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2926 * toplev.c (compile_file): Call final_write_globals
2927 even if there have been errors.
2929 2006-10-31 Eric Christopher <echristo@apple.com>
2930 Falk Hueffner <falk@debian.org>
2932 * doc/extend.texi (__builtin_bswap32): Document.
2933 (__builtin_bswap64): Ditto.
2934 * doc/libgcc.texi (bswapsi2): Document.
2936 * doc/rtl.texi (bswap): Document.
2937 * optabs.c (expand_unop): Don't widen a bswap.
2938 (init_optabs): Init bswap. Set libfuncs explicitly
2939 for bswapsi2 and bswapdi2.
2940 * optabs.h (OTI_bswap): New.
2941 (bswap_optab): Ditto.
2942 * genopinit.c (optabs): Handle bswap_optab.
2943 * tree.h (tree_index): Add TI_UINT32_TYPE and
2945 (uint32_type_node): New.
2946 (uint64_type_node): Ditto.
2947 * tree.c (build_common_tree_nodes_2): Initialize
2948 uint32_type_node and uint64_type_node.
2949 * builtins.c (expand_builtin_bswap): New.
2950 (expand_builtin): Call.
2951 (fold_builtin_bswap): New.
2952 (fold_builtin_1): Call.
2953 * fold-const.c (tree_expr_nonnegative_p): Return true
2955 * builtin-types.def (BT_UINT32): New.
2957 (BT_FN_UINT32_UINT32): Ditto.
2958 (BT_FN_UINT64_UINT64): Ditto.
2959 * builtins.def (BUILT_IN_BSWAP32): New.
2960 (BUILT_IN_BSWAP64): Ditto.
2961 * rtl.def (BSWAP): New.
2962 * genattrtab.c (check_attr_value): New.
2963 * libgcc2.c (__bswapSI2): New.
2964 (__bswapDI2): Ditto.
2965 * libgcc2.h (__bswapSI2): Declare.
2966 (__bswapDI2): Ditto.
2967 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
2968 * simplify-rtx.c (simplify_const_unary_operation): Return
2970 * libgcc-std.ver (__bwapsi2): Add.
2971 (__bswapdi2): Ditto.
2972 * reload1.c (eliminate_regs_1): Add bswap.
2973 (elimination_effects): Ditto.
2974 * config/i386/i386.h (x86_bswap): New.
2975 (TARGET_BSWAP): Use.
2976 * config/i386/i386.c (x86_bswap): Set.
2978 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2980 * coverage.c (coverage_checksum_string): Update comment.
2981 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
2982 of get_file_function_name.
2983 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
2984 of get_file_function_name_long.
2985 * tree.c (get_file_function_name): Rename from
2986 get_file_function_name_long; improve comment; handle 'I' and 'D'
2987 specially when the target has ctor/dtor support; remove special
2989 (get_file_function_name): Remove.
2990 * tree.h (get_file_function_name): Rename from
2991 get_file_function_name_long.
2992 (get_file_function_name): Remove prototype.
2994 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2996 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
2997 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
2999 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
3000 Call dsymutil when compiling and linking one or more source files
3003 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3006 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
3008 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3010 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
3011 inline static functions in c99 mode.
3014 * doc/extend.texi (Inline): Update.
3015 * c-tree.h (struct language_function): Remove field 'extern_inline'.
3016 * c-decl.c (current_extern_inline): Delete.
3017 (pop_scope): Adjust test for an undefined nested function.
3018 Add warning about undeclared inline function.
3019 (diagnose_mismatched_decls): Update comments. Disallow overriding
3020 of inline functions in a translation unit in C99. Allow inline
3021 declarations in C99 at any time.
3022 (merge_decls): Boolize variables. Handle C99 'extern inline'
3024 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
3025 C99 inline semantics.
3026 (start_function): Don't clear current_extern_inline. Don't set
3028 (c_push_function_context): Don't push current_extern_inline.
3029 (c_pop_function_context): Don't restore current_extern_inline.
3032 * c-typeck.c (build_external_ref): Warn about static variables
3033 used in extern inline functions.
3034 * c-decl.c (start_decl): Warn about static variables declared
3035 in extern inline functions.
3037 2006-10-31 Roger Sayle <roger@eyesopen.com>
3040 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
3041 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
3042 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
3043 or y is an even integer.
3045 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
3048 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
3049 * gthr-posix95.h (__gthread_active_p): Likewise.
3051 2006-10-31 Richard Guenther <rguenther@suse.de>
3053 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
3054 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
3055 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
3056 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
3057 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
3058 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
3059 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
3060 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
3063 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
3065 * opts.c (decode_options): Disable CSE skip blocks.
3067 2006-10-30 Dirk Mueller <dmueller@suse.de>
3069 * c-common.h (strict_aliasing_warning): Fix whitespace.
3070 * c-decl (start_function): Move code for main decl warning ..
3071 * c-common.c (check_main_parameter_types): .. here.
3072 * c-common.h (check_main_parameter_types): Declare.
3074 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3077 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
3079 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
3081 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
3082 be a PARALLEL containing sets. Return false when out_pat is not
3085 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3087 * config/mips/mips.md (mul<mode>3): Split into...
3088 (mulsi3, muldi3): ...these separate patterns.
3090 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3092 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
3093 but with each set of options separated by spaces.
3095 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
3097 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
3098 dwarf_reg_size_table has been initialized.
3100 2006-10-30 Roger Sayle <roger@eyesopen.com>
3102 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
3103 * ddg.c (print_ddg_edge): Likewise.
3104 * dwarf2out.c (prune_unused_types_walk): Likewise.
3105 * ifcvt.c (noce_try_cmove_arith): Likewise.
3106 * langhooks.c (add_builtin_function): Likewise.
3107 * reg-stack.c (subst_stack_regs_pat): Likewise.
3108 * tree.c (expanded_location): Likewise.
3109 * tree-dump.c (dequeue_and_dump): Likewise.
3111 2006-10-30 David Daney <ddaney@avtrex.com>
3113 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
3115 2006-10-30 Jakub Jelinek <jakub@redhat.com>
3117 PR tree-optimization/29637
3118 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
3119 of the innertype is the innertype itself.
3121 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
3123 * dwarf2out.c (file_name_acquire): Correct typo.
3125 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
3127 * tree.h (tree_value_handle): Remove struct value_set declaration.
3128 Change value_set to bitmap_set.
3129 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
3130 * tree-vn.c (get_value_handle): Made inline and moved to
3132 * tree-flow-inline.h: (has_stmt_ann): New function.
3133 * tree-ssa-pre.c (expressions): New variable.
3134 (next_expression_id): Ditto.
3135 (alloc_expression_id): New function.
3136 (struct value_set): Remove.
3137 (get_expression_id): New function.
3138 (get_or_alloc_expression_id): Ditto.
3139 (expression_for_id): Ditto.
3140 (clear_expression_ids): Ditto.
3141 (FOR_EACH_EXPR_ID_IN_SET): New macro.
3142 (bb_value_sets): Renamed to bb_bitmap_sets.
3143 All value sets replaced with bitmap_sets.
3145 (BB_VISITED): New macro.
3146 (postorder): New variable.
3147 (add_to_value): Removed.
3148 (value_exists_in_set_bitmap): Ditto.
3149 (value_insert_into_set_bitmap): Ditto.
3152 (set_remove): Ditto.
3153 (set_contains_value): Ditto.
3154 (insert_into_set): Ditto.
3156 (find_leader): Ditto.
3157 (bitmap_set_subtract_from_value_set): Ditto.
3158 (value_insert_into_set): Ditto.
3159 (print_value_set): Ditto.
3160 (debug_value_set): Ditto.
3161 (constant_expr_p): New function.
3162 (bitmap_remove_from_set): Ditto.
3163 (bitmap_insert_into_set): Ditto.
3164 (bitmap_set_free): Ditto.
3165 (vh_compare): Ditto.
3166 (sorted_array_from_bitmap_set): Ditto.
3167 (bitmap_set_subtract): Ditto.
3168 (bitmap_set_equal): Ditto.
3169 (debug_bitmap_set): Ditto.
3170 (find_leader_in_sets): Ditto.
3171 (bitmap_set_replace_value): Modify for bitmapped sets.
3172 (phi_translate): Ditto.
3173 (phi_translate_set): Ditto.
3174 (bitmap_find_leader): Ditto.
3175 (valid_in_sets): Ditto.
3176 (union_contains_value): Ditto.
3178 (compute_antic_aux): Ditto. Mark changed blocks.
3179 (compute_antic): Ditto. Iterate in postorder and only over
3181 (compute_rvuse_and_antic_safe): Reuse postorder.
3182 (create_component_ref_by_pieces): Modify for bitmapped sets.
3183 (find_or_generate_expression): Ditto.
3184 (create_expression_by_pieces): Ditto.
3185 (insert_into_preds_of_block): Ditto.
3186 (changed_blocks): New variable.
3187 (do_regular_insertion): Broken out from insert_aux.
3188 (insert_aux): Modified for bitmapped sets.
3189 (find_existing_value_expr): New function.
3190 (create_value_expr_from): Use it.
3191 (insert_extra_phis): Removed.
3192 (print_bitmap_set): Renamed from bitmap_print_value_set.
3193 (compute_avail): Handle RETURN_EXPR.
3194 (init_pre): Modify for bitmapped sets.
3195 * tree-flow.h (has_stmt_ann): New function.
3197 2006-10-29 Roger Sayle <roger@eyesopen.com>
3199 * builtins.c (fold_builtin_floor): Check for the availability of
3200 the C99 trunc function before transforming floor into trunc.
3202 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3204 * builtins.c (fold_builtin_hypot): Rearrange recursive
3205 transformation before others, and also do ABS_EXPR. When
3206 necessary, check flag_unsafe_math_optimizations. When necessary,
3209 2006-10-29 Roger Sayle <roger@eyesopen.com>
3211 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
3212 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
3213 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
3214 Fold -X eq/ne -Y as X eq/ne Y.
3216 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3218 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
3219 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
3220 rather than GENERATE_MULT3_SI in the various define_peephole2s.
3221 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
3222 Use an inclusive test for "mult" rather than "mul".
3223 (rotr<mode>3): Depend on ISA_HAS_ROR.
3224 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
3226 (GENERATE_MULT3_DI): Delete.
3227 (ISA_HAS_64BIT_REGS): Use consistent formatting.
3228 (ISA_HAS_MUL3): New macro.
3229 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
3230 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
3231 (ISA_HAS_CLZ_CLO): Likewise.
3232 (ISA_HAS_DCLZ_DCLO): Delete.
3233 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
3234 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
3235 the VR4120 and VR4130.
3236 (ISA_HAS_MACCHI): Use consistent formatting.
3237 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
3238 (ISA_HAS_ROR): ...this new macro.
3239 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
3240 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
3241 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
3243 2006-10-29 Roger Sayle <roger@eyesopen.com>
3245 PR tree-optimization/15458
3246 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
3249 2006-10-29 Richard Guenther <rguenther@suse.de>
3251 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
3252 (ix86_expand_truncdf_32): Likewise.
3253 * config/i386/i386.c (ix86_expand_trunc): New function expanding
3254 trunc inline for SSE math and -fno-trapping-math and if not
3255 optimizing for size.
3256 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
3257 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
3258 for expanding btrunc inline for SSE math.
3260 2006-10-29 Joseph Myers <joseph@codesourcery.com>
3262 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
3263 Handle tuning for bi-arch i[34567]86-*-linux* like that for
3264 i[34567]86-*-solaris2.1[0-9]*.
3265 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
3266 Define conditionally depending on TARGET_64BIT_DEFAULT.
3267 (SPEC_32, SPEC_64): Define.
3268 (LINK_SPEC): Use them.
3269 * doc/install.texi (--enable-targets=all): Document for x86-linux.
3271 2006-10-29 Richard Guenther <rguenther@suse.de>
3273 * config/i386/i386-protos.h (ix86_expand_round): Declare.
3274 (ix86_expand_rounddf_32): Likewise.
3275 * config/i386/i386.c (ix86_expand_round): New function expanding
3276 round inline for SSE math and -fno-trapping-math and if not
3277 optimizing for size.
3278 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
3279 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
3280 round via ix86_expand_round.
3282 2006-10-29 Richard Guenther <rguenther@suse.de>
3284 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
3285 (ix86_expand_floorceildf_32): Likewise.
3286 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
3287 static helper function.
3288 (ix86_expand_floorceil): Expander for floor and ceil to SSE
3290 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
3291 * config/i386/i386.md (floordf2): Adjust to enable floor
3292 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
3293 -fno-trapping-math is enabled and if not optimizing for size.
3294 (floorsf2, ceildf2, ceilsf2): Likewise.
3295 * config/i386/sse.md (sse_maskcmpsf3): New insn.
3296 (sse2_maskcmpdf3): Likewise.
3298 2006-10-29 Richard Guenther <rguenther@suse.de>
3300 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
3301 rint in case -fno-trapping-math is enabled.
3302 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
3303 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
3304 (ix86_expand_sse_fabs): Likewise.
3305 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
3306 * config/i386/i386.md (rintdf2): Enable for SSE math if
3307 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
3308 (rintsf2): Likewise.
3310 2006-10-29 Richard Guenther <rguenther@suse.de>
3312 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
3313 to conversion optabs.
3314 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
3315 as conversion optab.
3316 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
3317 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
3318 (lfloor_optab, lceil_optab): Adjust defines.
3319 * builtins.c (expand_builtin_int_roundingfn): Adjust for
3320 lfloor and lceil optabs now being conversion optabs.
3321 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
3322 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
3323 New static helper function.
3324 (ix86_expand_lfloorceil): New function to expand lfloor and
3326 * config/i386/i386.md (lfloor<mode>2): Split into ...
3327 (lfloorxf<mode>2): ... x87 variant
3328 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
3329 using ix86_expand_lfloorceil.
3330 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
3332 * doc/md.texi (lfloorMN, lceilMN): Document.
3334 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3336 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
3337 -mno-shared assembler option on mips targets.
3338 * configure, config.in: Regenerate.
3339 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
3340 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
3341 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
3343 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3345 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
3346 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
3348 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
3350 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
3351 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
3354 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3357 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
3358 (fold_builtin_pow): Evaluate constant arguments at compile-time
3360 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
3361 (do_mpfr_ckconv): New helper function.
3362 (do_mpfr_arg1): Use do_mpfr_ckconv.
3363 (do_mpfr_arg2): New.
3365 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
3368 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
3369 (-fdump-rtl-sched): Rename to ..
3370 (-fdump-rtl-sched1): here. Also fix file extension number.
3372 2006-10-28 Richard Guenther <rguenther@suse.de>
3374 * fold-const.c (maybe_canonicalize_comparison): Fix code
3377 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3379 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
3380 (NON_QI_REG_P): Use IN_RANGE.
3381 (REX_INT_REGNO_P): Use IN_RANGE.
3382 (FP_REGNO_P): Use IN_RANGE.
3383 (SSE_REGNO_P): Use IN_RANGE.
3384 (REX_SSE_REGNO_P): Use IN_RANGE.
3385 (MMX_REGNO_P): Use IN_RANGE.
3386 (STACK_REGNO_P): New macro.
3387 (STACK_REG_P): Use STACK_REGNO_P.
3388 (NON_STACK_REG_P): Use STACK_REGNO_P.
3389 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
3390 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
3391 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
3392 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
3393 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
3395 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
3397 * except.h (output_function_exception_table): Add 'const char*' param.
3398 * except.c (switch_to_exception_section): Add 'const char*' param.
3399 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
3400 and flag_function_sections is set, use a function-specific section.
3401 (output_function_exception_table): Add 'const char*' param.
3402 Adjust call to switch_to_exception_section.
3403 * final.c (rest_of_handle_final): Adjust calls to
3404 output_function_exception_table.
3405 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
3406 * config.in: Regenerate.
3407 * configure: Likewise.
3409 2006-10-28 Richard Guenther <rguenther@suse.de>
3412 * fold-const.c (maybe_canonicalize_comparison_1): Helper
3413 for maybe_canonicalize_comparison.
3414 (maybe_canonicalize_comparison): New function for canonicalizing
3416 (fold_comparison): Call it to canonicalize comparisons with
3419 2006-10-28 Richard Guenther <rguenther@suse.de>
3422 * builtins.c (expand_builtin_int_roundingfn_2): Expand
3423 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
3424 (expand_builtin): Adjust likewise.
3425 * genopinit.c (optabs[]): Add lround optab.
3426 * optabs.c (init_optabs): Initialize lround_optab.
3427 * optabs.h (enum convert_optab_index): Add COI_lround.
3428 (lround_optab): Define.
3429 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
3430 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
3432 (ix86_expand_lround): New function.
3433 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
3435 * doc/md.texi (lroundMN2): Document.
3437 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3440 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
3441 argument to HOST_WIDE_INT. Update function prototype.
3442 (round_frame_size): Change return type to HOST_WIDE_INT. Change
3443 "size" argument to HOST_WIDE_INT. Update function prototype.
3445 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3447 * config/i386/i386.c (output_387_ffreep): Create output from a
3448 template string for !HAVE_AS_IX86_FFREEP.
3450 2006-10-27 Eric Christopher <echristo@apple.com>
3452 * config/darwin.c: Fix formatting and grammar.
3454 2006-10-27 Jan Hubicka <jh@suse.cz>
3456 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
3457 to be thrown away soon when IGNORE is set.
3458 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
3459 indicating when return value shall not be computed.
3460 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
3462 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
3464 * config/i386/i386.h (TARGET_GEODE):
3465 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
3466 (TARGET_CPU_DEFAULT_geode): New macro.
3467 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
3468 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
3469 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
3470 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
3471 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
3473 (TARGET_CPU_DEFAULT_NAMES): Add geode.
3474 (processor_type): Add PROCESSOR_GEODE.
3476 * config/i386/i386.md: Include geode.md.
3479 * config/i386/i386.c (geode_cost): New initialized global
3481 (m_GEODE, m_K6_GEODE): New macros.
3482 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
3483 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
3484 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
3485 x86_schedule): Use m_K6_GEODE instead of m_K6.
3486 (x86_movx, x86_cmove): Set up m_GEODE.
3487 (x86_integer_DFmode_moves): Clear m_GEODE.
3488 (processor_target_table): Add entry for geode.
3489 (processor_alias_table): Ditto.
3491 * config/i386/geode.md: New file.
3493 * doc/invoke.texi: Add entry about geode processor.
3495 2006-10-27 Mike Stump <mrs@apple.com>
3497 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
3498 __DYNAMIC__ from here back to ...
3499 * config/darwin.h (CPP_SPEC): ... here.
3501 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3502 Nathan Sidwell <nathan@codesourcery.com>
3504 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
3505 when choosing the minimum heapsize.
3507 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3509 * gcc/unwind-dw2.h: Move cfa-related variables into
3510 struct frame_state_reg_info to ensure that the CFA is properly
3511 handled when executing DW_CFA_{remember,restore}_state.
3512 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
3513 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
3514 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
3515 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
3516 gcc/config/rs6000/linux-unwind.h,
3517 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
3518 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
3519 Modify to use new cfa_* fields.
3521 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
3523 * config/s390/s390.c (s390_init_frame_layout): Check positive
3526 2006-10-26 Ben Elliston <bje@au.ibm.com>
3528 * gimplify.c (get_name): Remove extraneous break.
3529 (gimplify_omp_for): Initialise ret with GS_OK.
3531 2006-10-25 Steve Ellcey <sje@cup.hp.com>
3533 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
3534 Add unix98.o to link line.
3536 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3539 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
3540 Calculate compile-time constants using MPFR.
3541 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
3542 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
3544 2006-10-25 Bob Wilson <bob.wilson@acm.org>
3546 * config/xtensa/lib2funcs.S: Use C-style comments.
3548 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
3550 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
3551 (file_table_relative_p): Likewise.
3552 (dwarf2out_finish): Likewise.
3553 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
3555 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
3557 * tree-ssa-structalias.c (intra_create_variable_infos):
3558 Don't recreate nonlocal_all if it already exists.
3560 2006-10-25 Richard Guenther <rguenther@suse.de>
3563 * optabs.h (enum optab_index): Remove OTI_lrint.
3564 (enum convert_optab_index): Add COI_lrint.
3565 (lrint_optab): Adjust.
3566 (expand_sfix_optab): Declare.
3567 * optabs.c (expand_sfix_optab): New function.
3568 (init_optabs): Init lrint_optab as conversion optab.
3569 * genopinit.c (lrint_optab): Change to a conversion optab.
3570 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
3571 expansion via conversion optab.
3572 * config/i386/i386.md (*fistdi2_1): Remove
3573 flag_unsafe_math_optimizations guard.
3574 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
3575 fist<mode>2_with_temp): Likewise.
3576 (lrint<mode>2): Split into...
3577 (lrintxf<mode>2): ... x87 part
3578 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
3579 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
3580 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
3581 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
3582 * doc/md.texi (lrintMN2): Document.
3584 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3587 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
3588 Use inc and dec instructions for TARGET_USE_INCDEC.
3589 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
3590 ("sync_double_compare_and_swap<mode>"): Likewise.
3591 ("*sync_double_compare_and_swapdi_pic"): Likewise.
3592 ("*sync_compare_and_swap_cc<mode>"): Likewise.
3593 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
3594 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
3595 ("sync_old_add<mode>"): Likewise.
3596 ("sync_lock_test_and_set<mode>"): Likewise.
3597 ("sync_lock_test_and_set<mode>"): Likewise.
3598 ("sync_add<mode>"): Likewise.
3599 ("sync_sub<mode>"): Likewise.
3600 ("sync_ior<mode>"): Likewise.
3601 ("sync_and<mode>"): Likewise.
3602 ("sync_xor<mode>"): Likewise.
3604 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3606 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
3607 (remainder_optab): Define corresponding macro.
3608 (drem_optab): Remove.
3609 * optabs.c (init_optabs): Initialize remainder_optab. Remove
3610 drem_optab initialization.
3611 * genopinit.c (optabs): Implement remainder_optab using
3612 remainder?f3 patterns. Remove drem_optab.
3613 * builtins.c (expand_builtin_mathfn_2): Handle
3614 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
3615 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
3616 expand_builtin_mathfn_2.
3618 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
3619 depend on flag_unsafe_math_optimizations.
3621 * config/i386/i386.md ("remaindersf3", "remainderdf3")
3622 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
3623 Do not depend on flag_unsafe_math_optimizations. Use
3624 truncxf?f expander instead of truncxf?f_i387_noop.
3626 ("fpremxf4", "fprem1xf4"): Do not depend on
3627 flag_unsafe_math_optimizations.
3628 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
3629 flag_unsafe_math_optimizations. Use truncxf?f expander
3630 instead of truncxf?f_i387_noop.
3632 * doc/md.texi (fmod, remainder): Document standard named pattern.
3634 2006-10-24 Richard Sandiford <richard@codesourcery.com>
3635 David Daney <ddaney@avtrex.com>
3638 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
3640 2006-10-25 Ben Elliston <bje@au.ibm.com>
3642 * doc/extend.texi (Variable Attributes): Typo fix.
3644 2006-10-24 Uros Bizjak <uros@kss-loka.si>
3646 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
3647 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
3648 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
3649 (FRAME_POINTER_REGNUM): Update register number to 21.
3650 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
3651 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
3653 * config/i386/i386.c (regclass_map): Add fpcr entry.
3654 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
3656 (print_reg): Assert REGNO (x) != FPCR_REG.
3658 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
3659 (DIRFLAG_REG): Renumber.
3660 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
3661 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
3662 (sse_prologue_save, *sse_prologue_save_insn): Renumber
3663 hardcoded SSE register numbers.
3665 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
3666 hardcoded MMX register numbers.
3668 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3671 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
3672 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
3674 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
3675 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
3676 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
3677 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
3679 2006-10-24 Richard Guenther <rguenther@suse.de>
3682 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
3683 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
3684 for deciding optimizations in consistency with fold-const.c
3685 (fold_builtin_unordered_cmp): Likewise.
3687 2006-10-24 Richard Guenther <rguenther@suse.de>
3689 * builtins.c (fold_builtin_floor): Fold floor (x) where
3690 x is nonnegative to trunc (x).
3691 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
3692 nonnegative to FIX_TRUNC_EXPR.
3694 2006-10-24 Richard Guenther <rguenther@suse.de>
3696 PR tree-optimization/29567
3697 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
3698 for TRUTH_NOT_EXPR. Clarify comments.
3700 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3703 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
3704 at compile-time using MPFR. Change parameter VALUE to FUNC,
3706 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
3707 for overflow and underflow at all times and avoid folding in
3710 2006-10-24 Ben Elliston <bje@au.ibm.com>
3712 * reload1.c: Formatting fixes.
3714 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
3716 PR tree-optimization/14784
3717 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
3718 * tree-ssa-structalias.c (get_constraint_for,
3719 intra_create_variable_infos): Set is_heapvar.
3720 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
3721 non-heapvar pointer variables specially.
3723 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3726 * builtins.c (fold_builtin_sin, fold_builtin_cos,
3727 fold_builtin_tan): Fold all constant arguments. Take a "type"
3728 argument as necessary.
3729 (do_mpfr_arg1): New.
3730 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
3732 2006-10-23 Bob Wilson <bob.wilson@acm.org>
3734 * config/xtensa/lib1funcs.asm: Use C-style comments.
3736 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
3738 * tree.c (local_define_builtin): Replace calls to
3739 lang_hooks.builtin_function with add_builtin_function.
3740 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
3742 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
3744 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
3745 common code to add_builtin_function.
3746 * langhooks.c (add_builtin_function): New function.
3747 (lhd_builtin_function): New function.
3748 * langhooks.h (struct lang_hooks): Change the signature of
3750 (add_builtin_function): New function.
3751 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
3752 calls to lang_hooks.builtin_function with add_builtin_function.
3753 * c-common.c (decl_builtin_1): Replace calls to
3754 lang_hooks.builtin_function with add_builtin_function.
3755 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
3756 lang_hooks.builtin_function with add_builtin_function.
3757 * config/frv/frv.c (def_builtin): Replace calls to
3758 lang_hooks.builtin_function with add_builtin_function.
3759 * config/s390/s390.c (s390_init_builtins): Replace calls to
3760 lang_hooks.builtin_function with add_builtin_function.
3761 * config/sparc/sparc.c (def_builtin): Replace calls to
3762 lang_hooks.builtin_function with add_builtin_function.
3763 * config/i386/i386.c (def_builtin): Replace calls to
3764 lang_hooks.builtin_function with add_builtin_function.
3765 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
3766 lang_hooks.builtin_function with add_builtin_function.
3767 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
3768 lang_hooks.builtin_function with add_builtin_function.
3769 * config/stormy16/stormy16.c (xstormy16_init_builtins):
3770 Replace calls to lang_hooks.builtin_function with
3771 add_builtin_function.
3772 * config/iq2000/iq2000.c (def_builtin):
3773 Replace calls to lang_hooks.builtin_function with
3774 add_builtin_function.
3775 * config/ia64/ia64.c (def_builtin): Replace calls to
3776 lang_hooks.builtin_function with add_builtin_function.
3777 * config/rs6000/rs6000.c (def_builtin): Replace calls to
3778 lang_hooks.builtin_function with add_builtin_function.
3779 (altivec_init_builtins): Replace calls to
3780 lang_hooks.builtin_function with add_builtin_function.
3781 * config/arm/arm.c (def_mbuiltin): Replace calls to
3782 lang_hooks.builtin_function with add_builtin_function.
3783 (arm_init_tls_builtins): Replace calls to
3784 lang_hooks.builtin_function with add_builtin_function.
3785 * config/mips/mips.c (mips_init_builtins): Replace calls to
3786 lang_hooks.builtin_function with add_builtin_function.
3787 * config/bfin/bfin.c (def_builtin): Replace calls to
3788 lang_hooks.builtin_function with add_builtin_function.
3789 * langhooks-def.h (lhd_builtin_function): New function.
3790 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
3792 2006-10-23 Jakub Jelinek <jakub@redhat.com>
3794 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
3795 BUILT_IN_STRNCAT_CHK.
3797 2006-10-23 Jan Hubicka <jh@suse.cz>
3799 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
3800 don't do conversion from memmove to memcpy here.
3801 (expand_builtin_bcopy, expand_builtin): Update call of
3802 expand_builtin_memmove.
3803 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
3805 2006-10-23 Paul Brook <paul@codesourcery.com>
3807 * stor-layout.c (start_record_layout): maximum_field_alignment
3808 overrides STRUCTURE_SIZE_BOUNDARY.
3810 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
3812 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
3813 nonlocal function symbols if flag_pic.
3815 2006-10-23 Richard Guenther <rguenther@suse.de>
3819 * builtins.c (fold_binary): Remove checks for flag_wrapv
3820 and flag_trapv where negate_expr_p covers these cases.
3822 2006-10-23 Richard Guenther <rguenther@suse.de>
3825 * fold-const.c (fold_plusminus_mult_expr): Check exact power
3826 of two on the absolute value.
3827 (fold_binary): Fold x * -C to -x * C if x is easily negatable
3828 and negating -C does not overflow.
3830 2006-10-23 Richard Guenther <rguenther@suse.de>
3833 * convert.c (convert_to_real): Fold (float)-x to -(float)x
3834 only if not flag_rounding_math.
3836 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3837 Kaz Kojima <kkojima@gcc.gnu.org>
3840 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
3841 SImode memory reference for the source of a movua.
3842 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
3843 (movua): Use an unspec instead of sign_extract. Expect the source
3844 to have mode BLKmode.
3845 (extv, insv): Use a BLKmode rather than SImode memory reference
3846 for the source of a movua.
3848 2006-10-22 Jeff Law <law@redhat.com>
3849 Richard Guenther <rguenther@suse.de>
3851 PR tree-optimization/15911
3852 * tree-vrp.c (extract_code_and_val_from_cond): New function.
3853 (register_edge_assert_for_1): Likewise.
3854 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
3855 (find_conditional_asserts): Adjust for new function signature.
3856 (find_assert_locations): Likewise.
3858 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3860 * config/i386/tmmintrin.h: Remove the duplicated content.
3862 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3864 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
3865 (x86_64-*-*): Likewise.
3867 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
3868 (override_options): Check SSSE3.
3869 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
3870 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
3871 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
3872 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
3873 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
3874 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
3875 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
3876 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
3877 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
3878 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
3879 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
3880 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
3881 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
3882 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
3883 IX86_BUILTIN_PABSD128.
3884 (bdesc_2arg): Add SSSE3.
3885 (bdesc_1arg): Likewise.
3886 (ix86_init_mmx_sse_builtins): Support SSSE3.
3887 (ix86_expand_builtin): Likewise.
3888 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
3890 * config/i386/i386.md (UNSPEC_PSHUFB): New.
3891 (UNSPEC_PSIGN): Likewise.
3892 (UNSPEC_PALIGNR): Likewise.
3893 Include mmx.md before sse.md.
3895 * config/i386/i386.opt: Add -mssse3.
3897 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
3898 (ssse3_phaddwv4hi3): Likewise.
3899 (ssse3_phadddv4si3): Likewise.
3900 (ssse3_phadddv2si3): Likewise.
3901 (ssse3_phaddswv8hi3): Likewise.
3902 (ssse3_phaddswv4hi3): Likewise.
3903 (ssse3_phsubwv8hi3): Likewise.
3904 (ssse3_phsubwv4hi3): Likewise.
3905 (ssse3_phsubdv4si3): Likewise.
3906 (ssse3_phsubdv2si3): Likewise.
3907 (ssse3_phsubswv8hi3): Likewise.
3908 (ssse3_phsubswv4hi3): Likewise.
3909 (ssse3_pmaddubswv8hi3): Likewise.
3910 (ssse3_pmaddubswv4hi3): Likewise.
3911 (ssse3_pmulhrswv8hi3): Likewise.
3912 (ssse3_pmulhrswv4hi3): Likewise.
3913 (ssse3_pshufbv16qi3): Likewise.
3914 (ssse3_pshufbv8qi3): Likewise.
3915 (ssse3_psign<mode>3): Likewise.
3916 (ssse3_psign<mode>3): Likewise.
3917 (ssse3_palignrti): Likewise.
3918 (ssse3_palignrdi): Likewise.
3919 (abs<mode>2): Likewise.
3920 (abs<mode>2): Likewise.
3922 * config/i386/tmmintrin.h: New file.
3924 * doc/extend.texi: Document SSSE3 built-in functions.
3926 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
3928 2006-10-22 Ira Rosen <irar@il.ibm.com>
3930 * tree-vect-transform.c (vectorizable_load): Use the type of the
3931 return value of the mask_for_load builtin to create realign_load
3934 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3936 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
3939 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
3941 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
3942 (UNSPEC_LDDQU): This.
3943 * config/i386/sse.md (sse3_lddqu): Updated.
3945 2006-10-21 Richard Guenther <rguenther@suse.de>
3947 * builtins.c (expand_builtin_int_roundingfn_2): New function.
3948 (expand_builtin): Use it to expand lrint instead of
3949 expand_builtin_mathfn.
3951 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3954 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
3955 flag_unsafe_math_optimizations is set.
3957 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3960 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
3961 patterns to use memory input operand in x87->mem->XMM
3962 reload sequences. Skip transformation for TARGET_K8.
3964 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3966 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
3967 force operand1 to register if both operands are memory operands.
3968 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
3969 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
3970 if both operands are memory operands.
3971 (truncdfsf2): Do not force operand1 to register if both operands
3972 are memory operands.
3974 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3976 * Makefile.in (LIBS): Add $(GMPLIBS).
3977 * doc/install.texi: Update GMP and MPFR requirements.
3978 * doc/sourcebuild.texi (need_gmp): Delete.
3980 2006-10-21 Richard Guenther <rguenther@suse.de>
3982 PR tree-optimization/3511
3983 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
3984 got new invariant arguments during PHI translation.
3986 2006-10-21 Richard Guenther <rguenther@suse.de>
3989 * fold-const.c (fold_comparison): Fold signed comparisons
3990 of the form X +- C1 CMP Y +- C2.
3992 2006-10-21 Richard Guenther <rguenther@suse.de>
3995 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
3996 if flag_unsafe_math_optimizations is specified. We have
3997 flag_finite_math_only for that.
3998 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
3999 or flag_unsafe_math_optimizations.
4001 2006-10-21 Richard Guenther <rguenther@suse.de>
4003 * builtins.c (fold_builtin_classify): Fix typo.
4005 2006-10-21 Richard Guenther <rguenther@suse.de>
4008 * simplify-rtx.c (simplify_const_relational_operation):
4009 Do not constant-fold ORDERED and UNORDERED for
4010 flag_unsafe_math_optimizations but only we do not need to
4011 honor NaNs for the given mode.
4013 2006-10-21 Richard Guenther <rguenther@suse.de>
4016 * config/i386/i386.c (classify_argument): Remove redundant
4017 walking of the BINFOs.
4018 (contains_128bit_aligned_vector_p): Likewise.
4020 2006-10-20 Mark Mitchell <mark@codesourcery.com>
4022 * BASE-VER: Set to 4.3.0.
4024 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
4026 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
4027 (tree_decl_with_vis): Remove artificial_pta_var flag.
4028 * tree-flow.h (referenced_var_check_and_insert): Expose.
4029 (nonlocal_all): New prototype.
4030 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
4031 (nonlocal_all): Make global.
4032 (nonlocal_lookup): Remove.
4033 (nonlocal_insert): Ditto.
4034 (create_nonlocal_var): Do not call nonlocal_insert.
4035 (get_nonlocal_id_for_type): Remove.
4036 (find_global_initializers): Mark new vars we find for renaming.
4037 (intra_create_variable_infos): Only create one nonlocal.
4038 (expand_nonlocal_solutions): Remove.
4039 (compute_points_to_sets): Don't call it.
4040 (ipa_pta_execute): Ditto.
4041 (init_alias_heapvars): Don't create nonlocal_for_type.
4042 (delete_alias_heapvars): Don't remove it.
4043 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
4046 2006-10-19 Brooks Moses <bmoses@stanford.edu>
4048 * doc/install.texi (Downloading GCC): Clarify mention of
4049 Fortran in the "full distribution" description.
4051 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
4053 Fix PR tree-optimization/28778
4054 Fix PR tree-optimization/29156
4055 Fix PR tree-optimization/29415
4056 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
4057 (tree_decl_with_vis): Add artificial_pta_var flag.
4058 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
4059 pushed into callers.
4060 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
4061 (nonlocal_all): Ditto.
4062 (struct variable_info): Add directly_dereferenced member.
4063 (var_escaped_vars): New variable.
4064 (escaped_vars_tree): Ditto.
4065 (escaped_vars_id): Ditto.
4066 (nonlocal_vars_id): Ditto.
4067 (new_var_info): Set directly_dereferenced.
4068 (graph_size): New variable
4069 (build_constraint_graph): Use graph_size.
4070 (solve_graph): Don't process constraints that cannot change the
4071 solution, don't try to propagate an empty solution to our
4073 (process_constraint): Set directly_dereferenced.
4074 (could_have_pointers): New function.
4075 (get_constraint_for_component_ref): Don't process STRING_CST.
4076 (nonlocal_lookup): New function.
4077 (nonlocal_insert): Ditto.
4078 (create_nonlocal_var): Ditto.
4079 (get_nonlocal_id_for_type): Ditto.
4080 (get_constraint_for): Allow results vector to be empty in the case
4081 of string constants.
4082 Handle results of calls properly.
4083 (update_alias_info): Update alias info stats on number and type of
4085 (find_func_aliases): Use could_have_pointers.
4086 (make_constraint_from_escaped): Renamed from
4087 make_constraint_to_anything, and changed to make constraints from
4089 (make_constraint_to_escaped): New function.
4090 (find_global_initializers): Ditto.
4091 (create_variable_info_for): Make constraint from escaped to any
4092 global variable, and from any global variable to the set of
4094 (intra_create_variable_infos): Deal with escaped instead of
4095 pointing to anything.
4096 (set_uids_in_ptset): Do type pruning on directly dereferenced
4098 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
4099 (init_base_vars): Fix comment, and initialize escaped_vars.
4100 (need_to_solve): Removed.
4101 (find_escape_constraints): New function.
4102 (expand_nonlocal_solutions): Ditto.
4103 (compute_points_to_sets): Call find_escape_constraints and
4104 expand_nonlocal_solutions.
4105 (delete_points_to_sets): Don't fall off the end of the graph.
4106 (init_alias_heapvars): Initialize nonlocal_for_type and
4108 (delete_alias_heapvars): Free nonlocal_for_type and null out
4111 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
4113 * fold-const.c (add_double): Rename to add_double_with_sign.
4114 Add 'unsigned_p' parameter and take it into account for the overflow.
4115 (mul_double): Rename to mul_double_with_sign.
4116 Add 'unsigned_p' parameter and take it into account for the overflow.
4117 (fold_div_compare): Call add_double_with_sign instead of add_double
4118 and mul_double_with_sign instead of mul_double, passing them the
4119 unsignedness of the type.
4120 * tree.h (add_double): Macroize.
4121 (add_double_with_sign): New prototype.
4122 (mul_double): Macroize.
4123 (mul_double_with_sign): New prototype.
4125 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
4127 * config/score/crti.asm: New file.
4128 * config/score/crtn.asm: New file.
4129 * config/score/elf.h: New file.
4130 * config/score/mac.md: New file.
4131 * config/score/misc.md: New file.
4132 * config/score/mul-div.S: New file.
4133 * config/score/predicates.md: New file.
4134 * config/score/score7.md: New file.
4135 * config/score/score.c: New file.
4136 * config/score/score-conv.h: New file.
4137 * config/score/score.h: New file.
4138 * config/score/score.md: New file.
4139 * config/score/score-mdaux.c: New file.
4140 * config/score/score-mdaux.h: New file.
4141 * config/score/score-modes.def: New file.
4142 * config/score/score.opt: New file.
4143 * config/score/score-protos.h: New file.
4144 * config/score/score-version.h: New file.
4145 * config/score/t-score-elf: New file.
4146 * config.gcc: Add score*-*-* configurations(Update before).
4147 * doc/invoke.texi (Score Options): New section.
4148 * doc/md.texi (Score family): New section to document constraints.
4150 2006-10-19 Nick Clifton <nickc@redhat.com>
4152 * config/arm/arm.c: Fix spelling typo.
4154 2006-10-18 Tom Tromey <tromey@redhat.com>
4156 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
4158 2006-10-18 Jan Hubicka <jh@suse.cz>
4161 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
4164 2006-10-18 Marcin Dalecki <martin@dalecki.de>
4166 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
4167 TSI_SAME_STMT, since that's the desired entity.
4169 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
4171 * config/s390/contraints.md: New file.
4172 * config/s390/s390-protos.h (s390_mem_constraint,
4173 s390_O_constraint_str, s390_N_constraint_str,
4174 s390_float_const_zero_p): Function prototypes added.
4175 * config/s390/s390.c (s390_extra_constraint_str,
4176 s390_const_double_ok_for_constraint_p,
4177 s390_const_ok_for_constraint_p): Functions removed.
4178 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
4179 s390_float_const_zero_p): New functions.
4180 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
4181 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
4182 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
4183 Macro definitions removed.
4184 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
4185 s390_extra_constraint_str): Functions removed.
4187 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
4188 Richard Sandiford <richard@codesourcery.com>
4191 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
4192 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
4194 2006-10-16 Geoffrey Keating <geoffk@apple.com>
4196 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
4197 (DWARF2_FRAME_REG_OUT): Likewise.
4198 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
4199 (DWARF2_FRAME_REG_OUT): Likewise.
4201 2006-10-17 Paul Brook <paul@codesourcery.com>
4203 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
4205 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4207 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
4208 Standardize on "GNU Fortran" as the official name of the Fortran
4211 2006-10-16 Mike Stump <mrs@apple.com>
4213 * doc/invoke.texi (Darwin Options): Document -mkernel.
4214 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
4216 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
4217 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
4218 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
4219 (OS_MISSING_ALTIVEC): Add.
4220 * config/i386/i386.c (override_options): Add
4221 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
4222 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
4223 -mkernel, -static or -mdynamic-no-pic is given.
4224 (C_COMMON_OVERRIDE_OPTIONS): Add.
4225 * config/darwin.opt (fapple-kext): Add.
4227 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
4228 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
4230 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
4231 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
4232 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
4233 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
4234 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
4235 (flag_mkernel): Add.
4236 (flag_apple_kext): Add.
4237 (TARGET_KEXTABI): Add.
4238 * config/darwin.c (darwin_handle_kext_attribute): Add.
4239 (DARWIN_VTABLE_P): Add.
4240 (darwin_binds_local_p): Add partial support for rebinding vtables
4242 (darwin_kextabi_p): Add.
4243 (darwin_override_options): Add.
4244 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
4245 (darwin_kextabi_p): Add.
4246 (darwin_override_options): Add.
4247 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
4248 __DYNAMIC__ and __STATIC__ here.
4250 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4252 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
4253 Added mention of "make pdf" target, and Texinfo requirements for
4256 2006-10-16 DJ Delorie <dj@redhat.com>
4258 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
4259 into the GOT in case we need a subreg of the address.
4261 2006-10-16 Richard Guenther <rguenther@suse.de>
4264 * doc/extend.texi (X86 Built-in Functions): Fix typos in
4265 SSE builtin documentation. Document SSE2 builtins.
4267 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4269 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
4270 symbol in the output file for non-shared links when -nostdlib or
4271 -nodefaultlibs isn't specified.
4273 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
4274 posix thread support.
4276 2006-10-15 Jan Hubicka <jh@suse.cz>
4279 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
4280 declared always_inline even when not inlining.
4282 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4283 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4284 Andrew Pinski <pinskia@gmail.com>
4287 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
4289 2006-10-15 Jan Hubicka <jh@suse.cz>
4290 Richard Guenther <rguenther@suse.de>
4293 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
4294 process_function_and_variable_attributes on all variables, including
4295 those discovered during cgraph construction phase.
4297 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
4299 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
4301 2006-10-14 Uros Bizjak <uros@kss-loka.si>
4303 * config/i386/athlon.md (athlon_fist): Add fisttp.
4305 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4306 Ian Lance Taylor <ian@airs.com>
4309 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
4310 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
4313 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
4315 * config/score/score.c, config/score/score.h: Fix comment
4318 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4321 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
4324 2006-10-13 Eric Christopher <echristo@apple.com>
4326 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4328 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4331 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4332 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4333 alignment supported by 32-bit ELF.
4335 2006-10-13 Eric Christopher <echristo@apple.com>
4337 * config/darwin.c (darwin_emit_unwind_label): Strip
4338 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
4340 2006-10-13 Richard Guenther <rguenther@suse.de>
4342 PR tree-optimization/29446
4343 * tree-vrp.c (fix_equivalence_set): Remove.
4344 (extract_range_from_assert): Do not call fix_equivalence_set.
4345 (debug_value_range): Print a newline.
4346 (compare_name_with_value): For equivalence sets with
4347 inconsistent value ranges conservatively bail out.
4348 (compare_names): Likewise.
4350 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4352 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
4353 and MPFR for gfortran.
4355 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4357 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4358 alignment supported by 32-bit ELF.
4360 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
4364 * c-typeck.c (digest_init): Always allow initializing vectors
4365 that have static storage duration with compound literals.
4366 * tree.c (build_type_attribute_qual_variant): New, based on
4367 build_type_attribute_variant.
4368 (build_type_attribute_variant): Rewrite using the former.
4369 (make_vector_type): Use build_type_attribute_qual_variant to build
4370 type variants. Use type_hash_canon on the others.
4372 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
4373 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
4375 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
4377 2006-10-12 Jan Hubicka <jh@suse.cz>
4380 * c-decl.c (c_make_fname_decl): Do not segfault in case where
4381 current_function_decl is set but current_function_scope is not.
4383 2006-10-12 Jie Zhang <jie.zhang@analog.com>
4385 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
4386 emit_insn to emit eh_return_internal instruction.
4387 (eh_return_internal): Explicitly set pc.
4389 2006-10-11 Richard Guenther <rguenther@suse.de>
4391 PR tree-optimization/28230
4392 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
4393 to the correct place.
4395 2006-10-11 Richard Guenther <rguenther@suse.de>
4398 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
4401 2006-10-10 Brooks Moses <bmoses@stanford.edu>
4403 * configure.ac: Added pdf to "Make-hooks"
4404 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
4405 targets and *.pdf file patterns in cleanup targets.
4406 * configure: Regenerated.
4408 2006-10-10 Anatoly Sokolov <aesok@post.ru>
4410 * config/avr/predicates.md: New file.
4411 * config/avr/avr.md: Include it.
4412 (REG_SP): New constant.
4413 (peepholes): Use predicates.
4414 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
4415 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
4416 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
4418 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
4420 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
4423 2006-10-10 Jakub Jelinek <jakub@redhat.com>
4426 * builtins.c (var_decl_component_p): New function.
4427 (fold_builtin_memset, fold_builtin_memory_op): Restrict
4428 single entry optimization to variables and components thereof.
4430 2006-10-10 Richard Guenther <rguenther@suse.de>
4432 PR rtl-optimization/29323
4433 * except.c (set_nothrow_function_flags): For functions
4434 that do not bind local bail out early.
4436 2006-10-10 Ben Elliston <bje@au.ibm.com>
4438 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
4441 2006-10-09 Richard Henderson <rth@redhat.com>
4443 Revert emutls patch.
4445 2006-10-09 Richard Guenther <rguenther@suse.de>
4448 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
4451 2006-10-09 Steve Ellcey <sje@cup.hp.com>
4454 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
4455 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
4456 * configure: Regenerate.
4457 * config.in: Regenerate.
4459 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
4461 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
4463 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4465 * config/mips/mips.c (mips_legitimize_tls_address): Implement
4466 all TLS models in the same way as local exec if !TARGET_ABICALLS.
4467 Remove stray newline.
4469 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4471 * config/mips/mips.c (mips_classify_symbol): Do not return
4472 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
4473 (mips_in_small_data_p): Tweak comments.
4475 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4477 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
4479 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
4481 * gimplify.c, sched-int.h: Fix comment typos.
4483 * sched-int.h: Fix comment typos.
4485 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4487 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
4489 * sched-ebb.c (begin_schedule_ready): Use them.
4490 * haifa-sched.c (schedule_insn, move_insn, try_ready,
4491 add_to_speculative_block, create_check_block_twin, speculate_insn,
4492 fix_jump_move, move_block_after_check): Ditto.
4493 * sched-rgn.c (new_ready): Ditto.
4495 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4497 PR rtl-optimization/29128
4498 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
4499 * sched-ebb.c (advance_target_bb): Use it to fix condition to
4500 allow interblock movement of speculation checks.
4502 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
4505 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
4506 casted to integer type.
4507 (get_address_cost): Decrease cost of [symbol + index] addressing modes
4508 if they are significantly more expensive than [reg + index] ones.
4510 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4512 PR tree-optimization/29330
4513 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
4514 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
4515 on newly allocated ddrs.
4516 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
4517 to VEC (loop_p, heap) pointer.
4518 (compute_data_dependences_for_loop): Adjust caller.
4519 (free_dependence_relations): Free DDR_LOOP_NEST.
4521 * tree-loop-linear.c (linear_transform_loops): Don't forget to
4522 free DEPENDENCE_RELATIONS and DATAREFS.
4525 * builtins.c (expand_builtin_sync_operation,
4526 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
4527 Use convert_to_mode to handle promoted arguments.
4529 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4531 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
4533 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4535 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
4537 2006-10-05 Uros Bizjak <uros@kss-loka.si>
4539 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
4540 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
4541 Use <modeconstraint> instead of "r" as operand 1 constraint.
4543 2006-10-06 Olivier Hainque <hainque@adacore.com>
4545 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
4546 Don't recurse on the pointed-to type.
4547 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
4548 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
4549 types with components of variable size.
4551 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
4553 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
4555 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4557 PR tree-optimization/29290
4558 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
4562 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
4563 * config/i386/predicates.md (local_symbolic_operand): Likewise.
4566 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
4567 the number of vector elements fill the rest with zeros.
4569 2006-10-05 Richard Sandiford <richard@codesourcery.com>
4571 * config/mips/mips.c (mips_pass_by_reference): Do not return false
4572 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
4575 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
4577 * config/bfin/bfin.md (subsi3): Lose expander, change previously
4578 unnamed pattern into subsi3. Use correct constraints/predicates.
4579 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
4580 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
4582 2006-10-05 Ira Rosen <irar@il.ibm.com>
4584 * doc/loop.texi: Add data references analysis description.
4586 2006-10-04 Brooks Moses <bmoses@stanford.edu>
4588 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
4590 2006-10-04 Richard Henderson <rth@redhat.com>
4591 Jakub Jelinek <jakub@redhat.com>
4593 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
4594 * builtin-types.def (BT_WORD): Make unsigned.
4595 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4596 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4597 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4598 * c-decl.c (grokdeclarator): Don't error if !have_tls.
4599 * c-parser.c (c_parser_omp_threadprivate): Likewise.
4600 * cgraph.c (decide_is_variable_needed): Look at force_output.
4601 Recurse for emulated tls.
4602 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
4603 checks redundant with decide_is_variable_needed.
4604 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
4605 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4607 * expr.c (emutls_var_address): New.
4608 (expand_expr_real_1): Expand emulated tls.
4609 (expand_expr_addr_expr_1): Likewise.
4610 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4611 * output.h (emutls_finish): Declare.
4612 * toplev.c (compile_file): Call it.
4613 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4614 address before wrapping in CONST.
4615 * varasm.c (emutls_htab, emutls_object_type): New.
4616 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4617 (get_emutls_object_name, get_emutls_object_type): New.
4618 (get_emutls_init_templ_addr, emutls_decl): New.
4619 (emutls_common_1, emutls_finish): New.
4620 (assemble_variable): When emulating tls, swap decls; generate
4621 constructor for the emutls objects.
4622 (do_assemble_alias): When emulating tls, swap decl and target name.
4623 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4625 * emutls.c: New file.
4626 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
4627 tls_object for real tls.
4629 2006-10-04 Zack Weinberg <zackw@panix.com>
4631 Fix bug in constraint-check generator, reported by Rask Ingemann
4633 * genpreds.c (add_constraint): Don't remove anything from the
4635 (write_tm_constrs_h): Detect whether "op" argument is used, and
4636 mark it ARG_UNUSED if it isn't.
4637 (write_insn_const_int_ok_for_constraint): Skip the part of the
4638 expression that would test whether "op" (which is not available
4639 here) is a CONST_INT.
4641 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
4644 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
4646 2006-10-03 Geoffrey Keating <geoffk@apple.com>
4648 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
4649 current Leopard versions.
4650 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
4652 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
4654 * doc/install.texi: Fix typos.
4656 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4658 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
4659 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
4660 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
4662 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
4664 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
4665 arg to be struct mach_header_64* instead.
4667 2006-10-02 Jakub Jelinek <jakub@redhat.com>
4670 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
4671 side effects after the outer expression's post side effects.
4673 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
4675 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
4676 comments to reflect actual behavior and relationship between
4677 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
4679 * doc/c-tree.texi (Working with declarations): Fix documentation
4680 of FIELD_DECL likewise.
4682 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
4685 * doc/extend.texi: Add used variable attribute description.
4687 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
4690 * c.opt (Woverride-init): New.
4691 * c-opts.c (c_common_post_options): Default warn_override_init to
4693 * c-typeck.c (add_pending_init, output_init_element): Warn for
4694 overriding initializers without side effects.
4695 * doc/invoke.texi (-Woverride-init): Document.
4698 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
4700 PR rtl-optimization/28096
4701 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
4702 assignment has already been used as a destination earlier in the block.
4704 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
4706 * builtins.c (expand_builtin_setjmp): Delete.
4707 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
4708 <BUILT_IN_SETJMP_SETUP>: New case.
4709 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
4710 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
4711 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
4712 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
4713 (BUILT_IN_SETJMP_RECEIVER): Likewise.
4714 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
4715 (lower_function_body): Initialize it to false. If it is set to true
4716 at the end of the processing, emit the setjmp dispatcher.
4717 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
4718 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
4719 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
4720 on the rhs of the assignment.
4721 (lower_builtin_setjmp): New function.
4722 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
4723 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
4724 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
4725 to detect calls that can go to non-local labels. Use specific
4726 helper to create the abnormal edges associated with them.
4727 <MODIFY_EXPR>: Likewise.
4728 (make_abnormal_goto_edges): New function extracted from...
4729 (make_goto_expr_edges): ...here. Call it for computed gotos.
4730 (simple_goto_p): Minor tweak.
4731 (tree_can_make_abnormal_goto): New predicate.
4732 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
4733 (tree_purge_dead_abnormal_call_edges): New function.
4734 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
4735 (tree_purge_dead_abnormal_call_edges): Likewise.
4736 (make_abnormal_goto_edges): Likewise.
4737 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
4738 Purge all dead abnormal edges if the call was in the last statement.
4739 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
4740 (execute_fixup_cfg): If there are non-local labels in the function,
4741 scan the basic blocks and split them at calls that can go to non-local
4742 labels or add missing abnormal call edges. Write down the CFG in the
4744 (pass_fixup_cfg): Remove TODO_dump_func flag.
4745 * unwind-sjlj.c: Poison setjmp.
4746 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
4747 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
4748 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
4749 (DONT_USE_BUILTIN_SETJMP): Document it.
4751 2006-09-28 Geoffrey Keating <geoffk@apple.com>
4754 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
4755 to 1 when __ppc64__ is defined.
4756 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
4758 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
4760 2006-09-28 Steve Ellcey <sje@cup.hp.com>
4762 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
4763 * config/ia64/unwind-hpux.c: Delete.
4765 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
4767 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
4768 on the element before gimplifying it, instead of punting if it is of
4771 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
4773 * doc/loop.texi: New file.
4774 * doc/gccint.texi: Reference loop.texi.
4775 * Makefile.in (loop.texi): Add.
4777 2006-09-27 Geoffrey Keating <geoffk@apple.com>
4779 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
4781 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4782 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4784 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
4786 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
4788 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
4790 * doc/install.texi: Document required versions of GMP and MPFR.
4792 2006-09-27 Paul Brook <paul@codesourcery.com>
4795 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
4797 2006-09-27 Richard Sandiford <richard@codesourcery.com>
4799 * reload1.c (alter_reg): Require the alignment of the stack slot to
4800 be at least reg_max_ref_width bytes.
4801 (scan_paradoxical_subregs): Record the largest width in
4804 2006-09-26 Jakub Jelinek <jakub@redhat.com>
4808 * tree-nested.c (struct nesting_info): Added static_chain_added.
4809 (convert_call_expr): Set static_chain_added when adding static
4810 chain. Handle OMP_PARALLEL and OMP_SECTION.
4812 2006-09-25 Matthias Klose <doko@debian.org>
4814 * doc/invoke.texi: Add missing full stop.
4816 2006-09-25 Richard Henderson <rth@redhat.com>
4818 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
4819 before cgraph_function_flags_ready.
4821 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
4822 Adam Nemet <anemet@caviumnetworks.com>
4824 * tree-ssa-loop-ivopts.c (aff_combination_convert,
4825 determine_common_wider_type): New functions.
4826 (get_computation_aff): Use them to simplify arithmetic between
4827 UBASE and CBASE if they are shortened from the same type.
4829 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
4832 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
4833 -2147483647 - 1 instead of 0x80000000.
4835 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
4837 * flags.h (HONOR_NANS): Fix typo in comment.
4839 2006-09-23 Uros Bizjak <uros@kss-loka.si>
4841 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
4843 2006-09-23 Jakub Jelinek <jakub@redhat.com>
4847 * tree.c (merge_attributes, attribute_list_contained): If both
4848 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
4850 * c-typeck.c (comptypes_internal): Don't consider aggregates
4851 in different TUs as compatible if there one set of attributes is
4852 not a subset of the other type's attributes.
4853 (composite_type): Try harder not to create a new aggregate type.
4855 2006-09-22 Geoffrey Keating <geoffk@apple.com>
4857 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
4858 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
4859 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
4860 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
4861 than replicating condition above.
4862 * config.host (i[34567]86-*-*): Always use driver-i386.o.
4864 * config/darwin.h (LINK_SYSROOT_SPEC): New.
4865 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
4866 the linker by default.
4868 2006-09-22 Mike Stump <mrs@apple.com>
4870 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
4873 2006-09-22 Richard Guenther <rguenther@suse.de>
4876 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
4877 sort of stack variables stable.
4879 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
4882 * explow.c (force_reg): Set REG_POINTER flag according to
4885 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
4887 PR tree-optimization/28888
4888 * tree-if-conv.c (combine_blocks): Rewritten.
4889 * tree-cfg.c (tree_verify_flow_info): Check that edges with
4890 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
4892 2006-09-22 Jakub Jelinek <jakub@redhat.com>
4894 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
4897 2006-09-21 Richard Sandiford <richard@codesourcery.com>
4899 * varasm.c (copy_constant): Fix reversed gcc_assert check.
4901 2006-09-21 Janis Johnson <janis187@us.ibm.com>
4903 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
4905 2006-09-21 Roger Sayle <roger@eyesopen.com>
4908 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
4909 dw_fde_current_label, to be the start of the function, i.e. the same
4910 value as dw_fde_begin.
4912 2006-09-20 Richard Sandiford <richard@codesourcery.com>
4914 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
4915 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
4916 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
4917 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
4918 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
4919 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
4920 (abs<mode>2, neg<mode>2): Likewise.
4921 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
4922 (*mips_abs_ps): New define_insn.
4924 2006-09-20 Josh Conner <jconner@apple.com>
4927 * calls.c (expand_call): Allow reuse of structure return stack
4930 2006-09-20 Paul Brook <paul@codesourcery.com>
4932 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
4935 2006-09-20 Janis Johnson <janis187@us.ibm.com>
4937 * doc/extend.texi (Decimal Float): Update for latest draft TR,
4938 clean up terminology.
4940 2006-09-20 Steve Ellcey <sje@cup.hp.com>
4943 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
4944 with tablejumps in them.
4946 2006-09-20 Jakub Jelinek <jakub@redhat.com>
4949 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
4950 wrap it into TARGET_EXPR.
4952 2006-09-20 Eric Christopher <echristo@apple.com>
4954 * config/i386/i386.c (x86_fisttp): Remove.
4955 * config/i386/i386.h (x86_fisttp): Ditto.
4956 (TARGET_FISTTP): Ditto.
4958 2006-09-19 Eric Christopher <echristo@apple.com>
4960 * doc/tm.texi (OBJC_JBLEN): Describe.
4961 * config/i386/darwin.h (OBJC_JBLEN): Define.
4962 * config/rs6000/darwin.h: Ditto.
4964 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
4966 PR rtl-optimization/21299
4967 * reload1.c (reload): Purge invalid ASMs in the final pass.
4969 2006-09-19 Steve Ellcey <sje@cup.hp.com>
4972 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
4973 pointers as legitimate constants.
4975 2006-09-19 Paul Brook <paul@codesourcery.com>
4978 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
4980 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
4982 PR tree-optimization/28887
4983 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
4984 component parts from the reference.
4985 (gather_memory_references_ref): Record the reference without the
4986 nonaddressable component parts.
4988 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
4991 * c-opts.c (c_common_handle_option): Ignore the -std options
4992 if the input language is assembly.
4994 2006-09-17 Ira Rosen <irar@il.ibm.com>
4997 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
4999 (ptr_ptr_may_alias_p): Likewise.
5000 (record_record_differ_p): New function.
5001 (base_object_differ_p): Call record_record_differ_p.
5003 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
5006 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
5007 away for the expr argument.
5009 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5012 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
5013 before using it for dumping after vectorizing loops.
5015 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
5016 Jack Howarth <howarth@bromo.med.uc.edu>
5019 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
5020 skip on error_mark_node.
5021 (rs6000_darwin64_record_arg_recurse): Likewise.
5023 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5025 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
5026 * doc/rtl.texi: Remove related documentation.
5028 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
5030 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
5033 2006-09-15 Jim Wilson <wilson@specifix.com>
5035 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
5036 Handle symbol offsets same as they are handled in ia64_expand_move
5039 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
5041 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
5042 Add forgotten parameter to the fprintf call.
5044 2006-09-15 Steve Ellcey <sje@cup.hp.com>
5046 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
5048 2006-09-15 Uros Bizjak <uros@kss-loka.si>
5050 * doc/contrib.texi: Add my entry.
5052 2006-09-15 Nick Clifton <nickc@redhat.com>
5054 * doc/md.texi (Processor pipeline description): Fix typo in
5055 example of how to use the absence_set directive and reword the
5056 description to make it slightly easier to read.
5058 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
5060 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
5061 * loop-doloop.c (doloop_optimize): Use it to limit costs of
5062 expanding the number of iterations.
5063 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
5065 * cfgrtl.c (emit_insn_at_entry): New function.
5066 * rtl.h (emit_insn_at_entry): Declare it.
5067 * integrate.c (emit_initial_value_sets): Use it.
5069 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
5071 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
5073 (struct loop_work and related VEC declarations): Delete.
5074 (bfin_dump_loops): Print out new member bad.
5075 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
5076 (bfin_scan_loop): Don't recurse.
5077 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
5078 loops. No longer need to update outer loops if the current one is
5079 found bad. Move some validitiy checks to bfin_discover_loop.
5080 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
5081 but changed not to check for nesting. Also changed to use the new bad
5083 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
5084 time. Use bitmap based test to discover loop nesting.
5086 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
5088 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
5091 2006-09-14 Richard Guenther <rguenther@suse.de>
5092 Kazu Hirata <kazu@codesourcery.com>
5094 PR middle-end/28884.
5095 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
5096 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
5097 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
5098 with TARGET_FUNCTION_VALUE.
5100 2006-09-14 Anatoly Sokolov <aesok@post.ru>
5103 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
5105 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
5107 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
5110 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
5113 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
5116 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5118 * basic_block.h (bb_has_eh_pred): Fix comment.
5120 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5122 * flow.c (calculate_global_regs_live): Invalidate eh registers
5123 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
5124 (propagate_block): Handle eh registers as if they were set at basic
5126 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
5128 * global.c (global_conflicts): Make eh registers to conflict with
5129 pseudos live at basic block begin.
5130 * basic_block.h (bb_has_eh_pred): New function.
5132 2006-09-13 Richard Sandiford <richard@codesourcery.com>
5134 PR rtl-optimization/28982
5135 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
5136 index of a PRE_MODIFY or POST_MODIFY address.
5137 * reload1.c (inc_for_reload): Use find_replacement on the original
5138 base and index registers.
5140 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
5142 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
5143 for -Os. Update __m128 alignment requirement.
5145 2006-09-13 Jan Hubicka <jh@suse.cz>
5147 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
5149 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
5151 PR rtl-optimization/28243
5152 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
5153 the insn to which the note was originally attached.
5155 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
5156 Roger Sayle <roger@eyesopen.com>
5158 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
5159 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
5160 on platforms that don't use dwarf for debug info.
5162 2006-09-12 Jason Merrill <jason@redhat.com>
5165 * builtins.c (expand_builtin_setjmp_receiver): Clobber
5166 hard_frame_pointer_rtx after using it to update the frame pointer.
5168 2006-09-12 Roger Sayle <roger@eyesopen.com>
5170 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
5171 (TARGET_ASM_CLOSE_PAREN): Likewise.
5172 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
5173 (TARGET_ASM_CLOSE_PAREN): Likewise.
5175 2006-09-12 Roger Sayle <roger@eyesopen.com>
5178 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
5179 frame information for frames larger than 512 Kbytes on Tru64 when
5180 using the native assembler.
5182 2006-09-12 Roger Sayle <roger@eyesopen.com>
5186 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
5187 and symbols. Instead use the implementation from cse.c's hash_rtx.
5189 2006-09-12 Jan Hubicka <jh@suse.cz>
5191 PR rtl-optimization/28071
5192 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
5193 (vect_transform_loop): Likewise.
5194 * tree-vectorizer.c (new_loop_vec_info): Likewise.
5195 (new_loop_vec_info): Likewise.
5196 (destroy_loop_vec_info): Likewise.
5197 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
5198 (create_stmt_ann): Likewise.
5199 (create_tree_ann): Rename to ...
5200 (create_tree_common_ann): ... this one; allocate only the common part
5202 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
5203 (get_value_handle): Likewise.
5204 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
5205 get_tree_common_ann.
5206 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
5207 (vinfo_for_stmt): Use stmt annotations.
5208 * tree-flow.h (tree_ann_common_t): New type.
5209 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
5210 (tree_ann, get_tree_ann, create_tree_ann): New.
5211 * tree-flow-inline.h (get_function_ann): Do more type checking.
5212 (stmt_ann): Likewise.
5213 (tree_ann): Rename to ...
5214 (tree_common_ann): ... this one; return ony common_ann
5215 (get_tree_ann): Rename to ...
5216 (tree_common_ann): This one; return only common_ann.
5217 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
5220 2006-09-11 Geoffrey Keating <geoffk@apple.com>
5222 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
5223 with_cpu by default.
5225 * dwarf2out.c (dwarf_file_data): New.
5226 (enum dw_val_class): Add dw_val_class_file.
5227 (struct dw_val_struct): Add val_file.
5228 (file_table): Change to a hash table.
5229 (file_table_emitted): Delete.
5230 (file_table_last_lookup_index): Delete.
5231 (emitcount): Delete.
5232 (last_emitted_file): New.
5233 (lookup_filename): Change prototype to return a struct dwarf_file_data.
5234 (init_file_table): Delete.
5235 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
5236 (AT_addr): Add comment.
5240 (print_die): Handle dw_val_class_file.
5241 (print_dwarf_line_table): Update for new file table structure.
5242 (attr_checksum): Do checksum a filename.
5243 (same_dw_val_p, same_attr_p): Do compare a filename.
5244 (size_of_die): Handle dw_val_class_file.
5245 (value_format): Likewise.
5246 (output_die): Likewise. Also, call maybe_emit_file here.
5247 (struct file_info): Constify filenames. Make file_idx a pointer
5248 to a struct dwarf_file_data.
5249 (struct dir_info): Constify directory names. Remove 'used' field.
5250 (struct file_name_acquire_data): New.
5251 (file_name_acquire): New.
5252 (output_file_names): Modify to handle new file data structures.
5253 (add_src_coords_attributes): Use add_AT_file.
5254 (add_call_src_coords_attributes): Likewise.
5255 (dwarf2out_imported_module_or_decl): Likewise.
5256 (gen_subprogram_die): Modify for new file data structures.
5257 (gen_variable_die): Likewise.
5258 (file_table_eq): New.
5259 (file_table_hash): New.
5260 (file_table_last_lookup): New.
5261 (lookup_filename): Rewrite to handle new file data structures.
5262 (maybe_emit_file): Rewrite to handle new file data structures.
5263 (dwarf2out_source_line): Always call lookup_filename and
5265 (dwarf2out_init): Create file_table here.
5266 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
5267 (file_table_relative_p): New.
5268 (dwarf2out_finish): Change detection of relative filenames
5269 to work with new file data structures. Move output_line_info call
5270 after debug_info output.
5272 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
5277 * config/i386/i386.c (override_options): Always default to 16
5278 byte stack boundary.
5280 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
5283 * var-tracking.c (dump_dataflow_set): Start dumping at
5285 (clobber_variable_part): Kill only the variable part in
5286 registers holding it, leaving other variables alone.
5288 2006-09-11 Josh Triplett <josh@freedesktop.org>
5290 * doc/extend.texi (Other Builtins): Actually use the macro
5291 argument in the documentation example for
5292 __builtin_types_compatible_p.
5294 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5296 PR rtl-optimization/28726
5297 * sched-deps.c (sched_analyze_reg): New function extracted from...
5298 (sched_analyze_1): ...here. Call it to analyze references to
5299 registers. Treat again writes to a stack register as writing to the
5301 (sched_analyze_2): ...and here. Call it to analyze references to
5302 registers. Treat again reads of a stack register as reading the
5305 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
5306 David Edelsohn <edelsohn@gnu.org>
5309 * config/rs6000/spe.md (frob_df_di): Remove %H.
5310 (frob_di_df): Remove %H. Change evmergelo to mr.
5311 (frob_di_df_2): Remove %H. Change evldd to two loads.
5313 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
5315 * doc/cpp.texi: Fix names of charset options.
5317 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
5320 * config/i386/i386.c (override_options): Use 128-bit
5321 stack boundary always for 64bits.
5323 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5325 PR rtl-optimization/28636
5326 * combine.c (force_to_mode): Test for side-effects before
5327 substituting by zero.
5328 (simplify_shift_const): Likewise for zero or other constants.
5330 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
5333 * builtins.c (expand_builtin_setjmp): Force next_lab to be
5336 2006-09-10 Richard Sandiford <richard@codesourcery.com>
5339 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
5340 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
5341 returned by mode_for_size, rather than the mode of src itself,
5342 to choose between 32-bit and 64-bit patterns.
5343 (mips_mem_fits_mode_p): New function.
5344 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
5345 that the size of the source matches the size of the destination.
5346 (mov_<store>l, mov_<store>r): Likewise.
5348 2006-09-10 Eric Christopher <echristo@apple.com>
5350 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
5353 2006-09-09 Eric Christopher <echristo@apple.com>
5356 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
5359 2006-09-09 Roger Sayle <roger@eyesopen.com>
5360 Nicolas Setton <setton@adacore.com>
5362 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
5364 2006-09-10 Andreas Schwab <schwab@suse.de>
5366 * config/m68k/m68k.md (bungt_rev): New pattern.
5368 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
5369 Dale Johannesen <dalej@apple.com>
5372 * regclass.c (struct reg_pref): Update documentation.
5373 (regclass): Set prefclass to NO_REGS if memory is the best option.
5374 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5376 2006-09-08 Eric Christopher <echristo@apple.com>
5378 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
5379 * config/t-slibgcc-darwin: Support x86_64 multilib.
5380 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
5381 Return 1 for x86_64-darwin.
5382 * config/i386/t-darwin: Add m64 multilib.
5383 (LIB2_SIDITI_CONV_FUNCS): Use.
5384 (LIB2FUNCS_EXTRA): Ditto.
5385 * config/i386/darwin.h: Support x86_64.
5386 * config/i386/i386.c (override_options): Turn on flag_pic
5387 for x86_64-darwin. Disable flag_omit_pointer.
5388 (get_pc_thunk_name): Assert !TARGET_64BIT.
5389 (legitimate_address_p): Disable machopic addressing for
5391 (legitimize_pic_address): Ditto.
5392 (ix86_expand_move): Ditto.
5393 (ix86_expand_call): Ditto.
5394 (machopic_output_stub): Ditto.
5395 * config/darwin.c (machopic_select_section): Support literal16.
5396 (machopic_select_rtx_section): Ditto.
5397 * config/darwin-sections.def: Ditto.
5398 * config/darwin-64.c: New.
5400 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
5403 * c-tree.h (struct c_arg_info): Add pending_sizes.
5404 * c-parser.c (c_parser_parms_declarator,
5405 c_parser_parms_list_declarator): Initialize pending_sizes.
5406 * c-decl.c (get_parm_info): Initialize pending_sizes.
5407 (get_parm_info): Set pending_sizes.
5408 (grokdeclarator): Call put_pending_sizes for parameters for
5409 function definition only.
5411 2006-09-07 Jason Merrill <jason@redhat.com>
5414 * varasm.c (output_constant): Only strip actual no-op conversions.
5417 * config/i386/i386.c (override_options): Use 128-bit
5418 stack boundary if -msse.
5420 2006-09-07 Eric Christopher <echristo@apple.com>
5422 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
5424 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
5427 2006-09-07 Geoffrey Keating <geoffk@apple.com>
5429 * dwarf2out.c: Remove strange characters from comment above
5430 dwarf2out_frame_debug_expr.
5432 2006-09-07 Eric Christopher <echristo@apple.com>
5434 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
5435 * config/darwin.h: ... to here.
5437 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
5439 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
5441 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
5442 (TARGET_PARTIAL_FLAG_REG_STALL): New.
5444 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
5445 TARGET_PARTIAL_FLAG_REG_STALL.
5446 (*ashldi3_cconly_rex64): Likewise.
5447 (*ashlsi3_cmp): Likewise.
5448 (*ashlsi3_cconly): Likewise.
5449 (*ashlsi3_cmp_zext): Likewise.
5450 (*ashlhi3_cmp): Likewise.
5451 (*ashlhi3_cconly): Likewise.
5452 (*ashlqi3_cmp): Likewise.
5453 (*ashlqi3_cconly): Likewise.
5454 (*ashrdi3_cmp_rex64): Likewise.
5455 (*ashrdi3_cconly_rex64): Likewise.
5456 (*ashrsi3_cmp): Likewise.
5457 (*ashrsi3_cconly): Likewise.
5458 (*ashrsi3_cmp_zext): Likewise.
5459 (*ashrhi3_cmp): Likewise.
5460 (*ashrhi3_cconly): Likewise.
5461 (*ashrqi3_cmp): Likewise.
5462 (*ashrqi3_cconly): Likewise.
5463 (*lshrdi3_cmp_rex64): Likewise.
5464 (*lshrdi3_cconly_rex64): Likewise.
5465 (*lshrsi3_cmp): Likewise.
5466 (*lshrsi3_cconly): Likewise.
5467 (*lshrsi3_cmp_zext): Likewise.
5468 (*lshrhi3_cmp): Likewise.
5469 (*lshrhi3_cconly): Likewise.
5470 (*lshrqi2_cmp): Likewise.
5471 (*lshrqi2_cconly): Likewise.
5473 2006-09-07 Uros Bizjak <uros@kss-loka.si>
5476 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
5477 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
5478 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
5479 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
5480 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
5481 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
5482 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
5483 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
5484 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
5485 implement only CC setting effects of shift instructions.
5487 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
5489 * doc/contrib.texi: Add myself.
5491 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
5494 * stor-layout.c (relayout_decl): Don't zero the alignment if it
5495 was set by the user.
5497 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
5500 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
5501 (divsi_inv_m1): Use them.
5502 (UNSPEC_DIV_INV_TABLE): New constant.
5504 2006-09-06 James E Wilson <wilson@specifix.com>
5507 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
5508 then call count_or_remove_death_notes.
5510 2006-09-06 Jason Merrill <jason@redhat.com>
5513 * tree-inline.c (copy_result_decl_to_var): New fn.
5514 (declare_return_variable): Use it. Call declare_inline_vars here.
5515 (expand_call_inline): Not here.
5517 2006-09-06 Diego Novillo <dnovillo@redhat.com>
5519 * doc/contrib.texi: Update my entry.
5521 2006-09-06 Nick Clifton <nickc@redhat.com>
5523 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
5525 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5528 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
5529 (canonicalize_induction_variables): Likewise.
5530 (tree_unroll_loops_completely): Likewise.
5531 (tree_ssa_prefetch_arrays): Likewise.
5532 (remove_empty_loops): Likewise.
5533 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
5534 TODO_cleanup_cfg instead of directly calling
5535 cleanup_tree_cfg_loop.
5536 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
5538 (tree_unroll_loops_completely): Likewise.
5539 (remove_empty_loops): Likewise.
5540 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
5541 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
5542 of tree_ssa_unswitch_loops.
5543 (tree_ssa_loop_ivcanon): Use the return value of
5544 canonicalize_induction_variables.
5545 (tree_ssa_empty_loop): Use the return value of
5547 (tree_complete_unroll): Use the return value of
5548 tree_unroll_loops_completely.
5549 (tree_ssa_loop_prefetch): Use the return value of
5550 tree_ssa_prefetch_arrays.
5551 * passes.c (execute_todo): Before Cleanup CFG, set
5552 updating_used_alone and after cleanup CFG, call
5553 recalculate_used_alone.
5555 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5558 * tree-vect-transform.c (vectorizable_condition): Move the check
5559 for the type after the check for simple condition.
5561 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
5562 Kaz Kojima <kkojima@gcc.gnu.org>
5565 * mode-switching.c (optimize_mode_switching): Make the destination
5566 block of an abnormal edge have no anticipatable mode. Don't
5567 insert mode switching code at the end of the source block of
5570 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
5572 PR rtl-optimization/26847
5573 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
5574 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
5575 (simplify_plus_minus): Count n_constants while filling ops. Replace
5576 qsort with insertion sort. Before going through the array to simplify
5577 pairs, sort it. Delay early exit until after the first sort, exiting
5578 only if no swaps occurred. Simplify pairs in reversed order, without
5579 special-casing the first iteration. Pack ops after simplifying pairs.
5581 2006-09-05 Anatoly Sokolov <aesok@post.ru>
5583 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
5584 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5585 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5586 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
5588 2006-09-05 Richard Guenther <rguenther@suse.de>
5590 PR tree-optimization/28900
5591 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
5592 compound conditional before creating COND_EXPR condition.
5594 2006-09-05 Richard Guenther <rguenther@suse.de>
5596 PR tree-optimization/28905
5597 * tree-vrp.c (fix_equivalence_set): Manually implement
5598 !value_ranges_intersect_p to also handle symbolic ranges.
5600 2006-09-05 Richard Guenther <rguenther@suse.de>
5603 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
5606 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5608 PR rtl-optimization/27616
5609 * cse.c (table_size): New static variable.
5610 (new_basic_block): Initialize it to 0.
5611 (remove_from_table): Decrement it.
5612 (insert): Increment it.
5613 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
5614 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
5615 fold_rtx_mem_1 if under the cap.
5616 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
5617 the lookup of the equivalent expression and test for equality of the
5618 first operand of the equivalent expression before in turn looking up
5619 an equivalent constant for the second operand.
5621 2006-09-02 Geoffrey Keating <geoffk@apple.com>
5624 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5625 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5626 pointer, instead of assuming it is possible to derive the
5627 correct args size from a call insn.
5629 2006-09-02 Jakub Jelinek <jakub@redhat.com>
5632 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
5633 (fold_builtin_mempcpy): Rename to...
5634 (fold_builtin_memory_op): ... this. Optimize one element copy
5636 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
5638 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
5639 (expand_builtin_memcpy, expand_builtin_mempcpy,
5640 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
5641 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
5642 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
5643 BUILT_IN_MEM{CPY,PCPY,MOVE}.
5645 2006-09-01 DJ Delorie <dj@redhat.com>
5647 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
5648 (stzx_16): Likewise.
5649 ("stzx_24_<mode>"): Likewise.
5650 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
5651 ("cmp<mode>_op"): New.
5652 (cmp<mode>): Change to expander; just save operands.
5654 (b<code>): Change to expander, emit compare here.
5655 (s<code>_op): Change to use split and expander.
5656 (s<code>_24_op): Likewise.
5657 (s<code>_<mode>): New.
5658 (s<code>_<mode>_24): New.
5659 (movqicc_<code>_<mode): New.
5660 (movhicc_<code>_<mode>): New.
5663 * config/m32c/m32c.c (compare_op0, compare_op1): New.
5664 (m32c_pend_compare): New.
5665 (m32c_unpend_compare): New.
5666 (m32c_expand_scc): New.
5667 (m32c_expand_movcc): Emit the compare also.
5668 * config/m32c/predicates.md (mra_nopp_operand): New.
5670 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
5671 Richard Guenther <rguenther@suse.de>
5672 Adam Nemet <anemet@caviumnetworks.com>
5675 * builtins.c (get_pointer_alignment): Handle more forms
5676 of base addresses that can be used to derive more precise
5677 information about alignment.
5679 2006-09-01 Jason Merrill <jason@redhat.com>
5682 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
5685 * gimplify.c (voidify_wrapper_expr): Handle null type.
5687 2006-09-01 Josh Conner <jconner@apple.com>
5690 * tree-nrv.c (dest_safe_for_nrv_p): New function.
5691 (execute_return_slot_opt): Use it.
5693 2006-08-31 Josh Conner <jconner@apple.com>
5696 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
5697 returning aggregates.
5699 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
5701 PR tree-optimization/28839
5702 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
5703 blocks in that phi arguments appear.
5705 2006-08-31 Roger Sayle <roger@eyesopen.com>
5708 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
5709 NULL, otherwise use an advance_loc4 to adjust relative to the
5711 (output_cfi) <DW_CFA_set_loc>: Update the current label.
5712 (dwarf2out_switch_text_section): Reset the current label to avoid
5713 using advance_loc4 over section boundaries.
5715 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
5718 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
5719 r12 + SYMBOLIC_CONST.
5721 2006-08-30 Richard Guenther <rguenther@suse.de>
5723 * Makefile.in (see.o): Add $(EXPR_H) dependency.
5725 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
5727 PR rtl-optimization/27735
5728 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
5729 Add new argument to keep track of whether an irreducible region
5730 was affected. All callers changed.
5731 (fix_irreducible_loops): Removed.
5732 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
5733 flags were invalidated.
5735 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
5737 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
5738 instead of SF operands.
5739 (*fop_df_comm_sse): Likewise.
5740 (*fop_df_comm_i387): Likewise.
5741 (*fop_df_1_mixed): Likewise.
5742 (*fop_df_1_sse): Likewise.
5744 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
5745 J"orn Rennecke <joern.rennecke@st.com>
5747 PR tree-optimization/17506
5748 * tree-ssa.c (warn_uninit): If warning about a location outside of
5749 the current function, note where the variable was declared.
5751 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
5753 PR tree-optimization/28411
5754 * double-int.c (double_int_div): Use double_int_divmod.
5755 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
5756 double_int_mod, double_int_smod, double_int_umod): New functions.
5757 * double-int.h (double_int_divmod, double_int_sdivmod,
5758 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
5760 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
5762 (get_computation_aff, get_computation_cost_at): Handle double_int
5763 return type of constant_multiple_of.
5765 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
5768 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
5769 an implicit conversion.
5771 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
5773 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
5775 2006-08-27 Roger Sayle <roger@eyesopen.com>
5777 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
5780 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
5782 * config/i386/crtfastmath.c: Fix a comment typo.
5784 2006-08-26 Roger Sayle <roger@eyesopen.com>
5786 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
5787 temporary visit flags on CASE_LABEL_EXPRs.
5788 * c-common.c (match_case_to_enum): Add function comment. Avoid
5789 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
5790 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
5791 CASE_HIGH_SEEN for enumerated types. If the switch expression is
5792 a constant, only warn if that constant value isn't handled.
5794 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
5797 * input.h (restore_input_file_stack): Declare.
5798 (INPUT_FILE_STACK_BITS): Define.
5799 * toplev.c (fs_p, input_file_stack_history,
5800 input_file_stack_restored, restore_input_file_stack): New.
5801 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
5802 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
5803 (pop_srcloc): Don't free old state of stack.
5805 2006-08-26 David Edelsohn <edelsohn@gnu.org>
5808 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
5809 (PowerPC Type Attributes): New.
5811 2006-08-26 Bob Wilson <bob.wilson@acm.org>
5813 * config/xtensa/xtensa.c (function_arg_boundary): New.
5814 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
5816 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
5817 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
5819 2006-08-26 Jakub Jelinek <jakub@redhat.com>
5822 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
5825 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5827 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
5828 (verify_local_live_at_start): Likewise.
5830 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5833 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
5834 omp_add_variable): Treat sizes as variable whenever not
5837 2006-08-26 Richard Guenther <rguenther@suse.de>
5840 * fold-const.c (fold_binary): Fold temporary to correct
5841 type before constructing new comparison.
5843 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
5846 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
5847 variable again if DECL_SEEN_IN_BIND_EXPR_P.
5849 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5852 * c-decl.c (start_function): Don't try to process prototype
5853 information from old declaration that isn't a function.
5855 2006-08-25 Jan Hubicka <jh@suse.cz>
5858 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
5860 2006-08-25 Alan Modra <amodra@bigpond.net.au>
5863 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
5866 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
5868 PR tree-optimization/16876
5869 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
5870 exit if PARM doesn't match VALUE.
5872 2006-08-25 Bob Wilson <bob.wilson@acm.org>
5874 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
5875 literal_prefix directive.
5876 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
5877 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5878 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5880 2006-08-25 David Edelsohn <edelsohn@gnu.org>
5883 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
5884 predicate to general_operand. Add 0->y and I->r alternatives.
5886 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
5888 * doc/tm.texi: Fix a typo.
5889 * predict.c: Fix comment typos.
5891 2006-08-25 Nick Clifton <nickc@redhat.com>
5893 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
5894 assertions of "cpu" and "machine".
5896 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
5899 * tree-ssa-operands.c (access_can_touch_variable): Don't say
5900 the access through a base which has an alias set of 0 cannot
5903 2006-08-24 Bill Wendling <wendling@apple.com>
5905 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
5907 2006-08-24 Jan Hubicka <jh@suse.cz>
5909 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
5911 2006-08-24 Jan Hubicka <jh@suse.cz>
5914 * cgraph.c: Fix comments.
5915 (cgraph_varpool_mark_needed_node): Mark only variables not already
5917 * cgraphunit.c: Update comments; include gt-cgraphunit.h
5918 (cgraph_varpool_assembled_nodes_queue): New static variable.
5919 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
5920 (cgraph_varpool_output_debug_info): New function.
5921 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
5922 * Makefile.in: Add gt-cgraphunit.h
5924 2006-08-24 Jan Hubicka <jh@suse.cz>
5926 * predict.c (probability_reliable_p): New predicate.
5927 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
5928 (predict_loops): Do not predict loop exit with less than 2%
5930 * basic-block.h (edge_probability_reliable_p,
5931 br_prob_note_reliable_p): Declare.
5932 * ia64.h (ia64_print_operand): Do not disable on-chip branch
5933 prediction when static predictor is not reliable.
5934 * rs6000.c (output_cbranch): Likewise.
5936 2006-08-23 Stuart Hastings <stuart@apple.com>
5939 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
5940 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
5942 2006-08-21 Geoffrey Keating <geoffk@apple.com>
5945 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
5946 complex values, nor for generic vector values.
5948 2006-08-22 Richard Guenther <rguenther@suse.de>
5951 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
5952 parameter. Convert arguments to arithmetic expression to the
5954 (analyze_scalar_evolution_1): Adjust caller.
5956 2006-08-22 Jan Hubicka <jh@suse.cz>
5958 Patch by Paolo Bonzini
5959 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
5962 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
5964 PR tree-optimization/28003
5965 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
5966 before grouping aliases.
5968 2006-08-22 Roger Sayle <roger@eyesopen.com>
5970 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
5971 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
5973 2006-08-21 Jason Merrill <jason@redhat.com>
5976 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
5977 wrapper. Loop to handle nested wrappers.
5978 (gimplify_bind_expr): Remove temp parameter.
5979 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
5980 and STATEMENT_LIST on the rhs.
5981 (gimplify_statement_list): Voidify the STATEMENT_LIST.
5982 (gimplify_expr): Pass pre_p to gimplify_statement_list.
5983 (gimplify_target_expr): Remove special BIND_EXPR handling.
5985 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
5987 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
5990 2006-08-21 Olivier Hainque <hainque@adacore.com>
5992 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
5993 Arrange for the temporary captures of components overlapping the lhs
5994 to happen before the lhs is possibly cleared.
5996 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
5998 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
5999 necessary places to pass the correct "number of registers" values
6002 2006-08-20 Jan Hubicka <jh@suse.cz>
6004 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
6005 (create_name_tags): Instead of quadratic checking use hashtable.
6006 * bitmap.h: Include hashtab.h.
6007 (bitmap_hash): Declare.
6008 * bitmap.c (bitmap_hash): New function.
6010 2006-08-20 Jan Hubicka <jh@suse.cz>
6012 PR rtl-optimization/28071
6013 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
6015 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
6016 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
6017 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
6018 cgraph_decide_inlining_incrementally): Update use of
6019 cgraph_check_inline_limits.
6020 * cgraph.c (edge_hash, edge_eq): New function.
6021 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
6022 cgraph_edge_remove_caller, cgraph_node_remove_callees,
6023 cgraph_remove_node): Maintain call site hash.
6024 * cgraph.h (struct cgraph_node): Add call_site_hash.
6025 (cgraph_set_call_stmt): New function.
6027 2006-08-20 Jan Hubicka <jh@suse.cz>
6029 PR rtl-optimization/28071
6030 * reload1.c (reg_has_output_reload): Turn into regset.
6031 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
6032 choose_reload_regs, emit_reload_insns): Update to new
6033 reg_has_output_reload.
6035 2006-08-20 Jan Hubicka <jh@suse.cz>
6038 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
6039 function body sizes.
6040 * cgraphunit.c (cgraph_analyze_function): Don't do so.
6042 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
6045 * tree.c (handle_dll_attribute): Return early if not a
6046 var or function decl.
6048 2006-08-18 Joseph Myers <joseph@codesourcery.com>
6051 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
6052 alignment of SPE vector types.
6054 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
6056 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
6058 2006-08-17 Jakub Jelinek <jakub@redhat.com>
6061 * cgraph.h (struct cgraph_node): Remove externally_visible
6063 * cgraphunit.c (process_function_and_variable_attributes): Set
6064 local.externally_visible rather than externally_visible.
6067 * c-common.c (handle_externally_visible_attribute): First look
6068 at TREE_CODE and only if it is function or var decl, check for
6069 non-public objects. Don't warn for DECL_EXTERNAL.
6070 * cgraphunit.c (process_function_and_variable_attributes): Warn
6071 if externally_visible attribute is used on non-public object.
6073 2006-08-17 Jan Hubicka <jh@suse.cz>
6075 PR tree-optimization/27865
6076 * reload1.c (forget_marked_reloads): New function.
6077 (forget_old_reloads_1): When data are passed, just mark the registers
6079 (reload_as_needed): Use the new mechanizm.
6081 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
6084 * reload.h (reg_equiv_alt_mem_list): New declaration.
6085 * reload1.c (reg_equiv_alt_mem_list): New definition.
6086 (reload): Initialize it and release it.
6087 (delete_output_reload): Use it.
6088 * reload.c (push_reg_equiv_alt_mem): New function.
6089 (find_reloads_toplev): Call it.
6090 (find_reloads_address, find_reloads_address_1): Likewise.
6091 (find_reloads_subreg_address): Likewise.
6093 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6095 PR rtl-optimization/28489
6096 * sched-ebb.c (begin_schedule_ready): Create basic block
6098 (advance_target_bb): Skip empty blocks.
6099 * haifa-sched.c (bb_note): Make global.
6100 * sched-int.h (bb_note): Add prototype.
6102 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6104 PR tree-optimization/27865
6105 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
6107 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
6108 fold_used_pointer, pointer_used_p): New functions.
6109 (analyze_scalar_evolution_1): Use fold_used_pointer.
6110 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
6111 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
6114 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
6117 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
6118 or the INTEGER_CST. Fail on a CALL_EXPR.
6119 (fold_offsetof): Pass new argument to fold_offsetof_1.
6120 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
6121 operand into an INDIRECT_REF.
6122 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
6124 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6126 PR gcov/profile/26570
6127 * value-prof.c (static_values): Removed.
6128 (tree_find_values_to_profile): Do not set static_values.
6129 (find_values_to_profile): Do not free static_values.
6130 * profile.c (instrument_values): Do not free the values.
6131 (branch_prob): Free the values.
6133 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
6135 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
6137 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
6140 * c-typeck.c (build_component_ref): Combine qualifiers of
6141 structure or union and field.
6143 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6145 PR rtl-optimization/28071
6146 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
6147 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
6148 * tree-into-ssa.c (struct dom_dfsnum): New.
6149 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
6151 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
6152 compute_global_livein.
6153 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
6154 in phi nodes in the correct blocks.
6156 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6158 PR tree-optimization/28364
6159 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
6161 (fold_affine_expr): New function.
6162 (may_eliminate_iv): Use fold_affine_expr.
6164 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6167 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
6170 2006-08-16 Mike Stump <mrs@apple.com>
6172 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
6173 * doc/cppopts.texi (-MD): Likewise.
6175 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
6178 * c-common.c (handle_weak_attribute): Ignore and warn if
6179 not a FUNCTION_ or VAR_DECL.
6181 2006-07-15 Mike Stump <mrs@apple.com>
6184 * c-parser.c (c_parser_typeof_specifier): Don't use
6185 c_finish_expr_stmt, open code desired semantics instead.
6187 2006-08-15 Nick Clifton <nickc@redhat.com>
6189 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
6190 fragment to tmake_file only if threads are enabled.
6191 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
6192 * config/i386/t-gthr-win32: New file. ... here.
6194 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6197 * c-parser.c (c_parser_compound_statement_nostart): Reset
6198 parser->error after each statement.
6200 2006-08-15 Jakub Jelinek <jakub@redhat.com>
6203 * omp-low.c (lower_omp_parallel): Convert t to
6204 receiver_decl's type.
6205 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
6206 source before comparison.
6209 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
6210 to itype in assignment to oldival2.
6212 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
6216 * c-typeck.c (build_compound_expr): If the second expression
6217 is an error mark, then just return an error mark instead of
6218 creating a COMPOUND_EXPR.
6220 2006-07-14 Mike Stump <mrs@apple.com>
6222 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
6224 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
6226 * c-decl.c, var-tracking.c: Fix comment typos.
6228 2006-08-14 Richard Sandiford <richard@codesourcery.com>
6230 PR rtl-optimization/28634
6231 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
6232 for floating-point modes unless flag_unsafe_math_optimizations.
6234 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
6235 Andrew Pinski <pinskia@physics.uc.edu>
6238 * tree.c (build_array_type): Unify array types with
6239 unspecified index_type.
6240 * c-decl.c (grokdeclarator): Make sure we do not modify a
6241 unified incomplete array type.
6242 * c-typeck.c (store_init_value): Create distinct type before
6243 filling in the index type in an initializer from a compound
6246 * c-decl.c (grokdeclarator): Remove code where we copy the
6249 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
6251 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
6252 into account for TODO_dump_cgraph.
6253 (TODO_update_ssa_no_phi): Likewise.
6254 (TODO_update_ssa_full_phi): Likewise.
6255 (TODO_update_ssa_only_virtuals): Likewise.
6256 (TODO_remove_unused_locals): Likewise.
6257 (TODO_set_props): Likewise.
6258 (TODO_update_stmt_usage): Likewise.
6260 2006-08-13 Dirk Mueller <dmueller@suse.de>
6262 * c-common.c (strict_aliasing_warning): Fix formatting.
6264 2006-08-13 Matthias Klose <doko@debian.org>
6266 * doc/invoke.texi: Fix spelling errors.
6268 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6270 PR rtl-optimization/23454
6271 * reorg.c (relax_delay_slots): Update comment.
6273 2006-08-11 Richard Guenther <rguenther@suse.de>
6276 * simplify-rtx.c (simplify_const_relational_operation):
6277 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
6280 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
6282 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
6283 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
6285 2006-08-10 Paul Brook <paul@codesourcery.com>
6287 * final.c (final_scan_insn): Clear current_insn_predicate before
6288 outputting inline asm.
6290 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
6292 PR tree-optimization/26197
6293 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
6294 get_ref_base_and_extent and overlap_subvar to add only relevant
6295 subvars as may-aliases.
6296 (add_may_alias_for_new_tag): New function, factored out of
6298 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
6299 with additional argument.
6300 * tree-flow.h (new_type_alias): Takes additional argument.
6302 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
6304 * gcov.c (no_data_file): New flag.
6305 (read_count_file): Set it if data file not present. Assume counts
6307 (output_lines): Don't name the data file, if there wasn't one.
6309 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
6311 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
6312 (rs6000_generate_compare): Tweak comments.
6313 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
6315 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
6317 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
6318 (var_debug_decl): New function.
6319 (var_reg_set): Follow debug decl link. Add location even if
6320 reg is already known to hold some other variable.
6321 (var_mem_set): Follow debug decl link.
6322 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
6323 decl link. Delete other known locations of the variable part
6325 (var_reg_delete, var_mem_delete): Delete other known locations
6326 of the variable part if requested.
6327 (same_variable_part_p): New function.
6328 (add_stores): Select MO_COPY when appropriate.
6329 (vt_initialize): Handle it.
6330 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
6331 known locations for MO_SET and MO_CLOBBER.
6332 (find_variable_location_part): New function.
6333 (set_variable_part, delete_variable_part): Use it.
6334 (clobber_variable_part): New function.
6335 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
6338 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
6340 PR tree-optimization/26969
6341 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
6342 with an empty list of PHIs.
6344 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
6348 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
6351 2006-08-06 Andreas Schwab <schwab@suse.de>
6353 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
6354 string. Whitespace and comment fixup.
6356 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6359 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
6363 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
6366 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
6368 2006-08-04 Jan Hubicka <jh@suse.cz>
6372 * reload.c (push_reload): Patch out the mismatching instruction;
6374 (find_reload): Bail out if the instruction was patched out.
6376 2006-08-04 Jan Hubicka <jh@suse.cz>
6378 PR tree-optimization/24888
6379 * tree-inline.c (expand_call_inline): Do not re-record variables.
6380 (declare_inline_vars): Add variable to unexpanded_var_list.
6382 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6383 Roger Sayle <roger@eyesopen.com>
6385 PR rtl-optimization/26244
6386 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
6387 inner_const are negative or greater than or equal to the bitsize of
6388 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
6389 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
6390 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
6391 CONST0_RTX (mode) when the new shift count is greater than or equal to
6392 to the bitsize of the object being shifted and XEXP (y, 0) has no side
6395 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
6397 * tree-cfg.c: Fix a comment typo.
6399 2006-08-03 Mark Mitchell <mark@codesourcery.com>
6402 * varasm.c (output_constant): Give the front end another chance to
6403 expand constants, after stripping NOPs.
6405 2006-08-03 Jan Hubicka <jh@suse.cz>
6407 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
6410 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
6412 PR tree-optimization/27770
6413 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
6414 declaration removed (moved to tree-flow.h).
6415 (vect_can_force_dr_alignment_p): Likewise.
6416 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
6417 (moved from tree-vectorizer.h).
6418 (vect_can_force_dr_alignment_p): Likewise.
6419 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
6420 from outside the vectorizer - in particular from cgraph stage.
6421 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
6422 the alignment of global arrays when -fsection-anchors is enabled.
6423 * cgraphunit.c (cgraph_increase_alignment): New function.
6424 (cgraph_optimize): Call cgraph_increase_alignment.
6426 2006-08-03 David Edelsohn <edelsohn@gnu.org>
6429 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
6430 not reload a SPE symbol_ref into a lo_sum address.
6432 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
6435 * dwarf2out.c (prune_unused_types_prune): Move call to
6436 prune_unused_types_update_strings to cover the parent DIE also.
6438 2006-08-02 Jan Hubicka <jh@suse.cz>
6440 PR gcov/profile/28480
6441 * tree-cfg.c (change_bb_for_stmt): New function.
6442 (tree_merge_blocks, tree_split_blocks): Use it.
6444 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6450 * toplev.c (compile_file): Return early on errorcount or sorrycount.
6451 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
6452 (cgraph_optimize): Likewise.
6454 2006-08-01 Stuart Hastings <stuart@apple.com>
6456 * rtl.h (UINTVAL) New.
6457 * config/rs6000/rs6000.c (SMALL_INT) Use it.
6458 * testsuite/gcc.dg/20060801-1.c: New.
6460 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
6463 * c-typeck.c (build_external_type): Mark used enum types.
6464 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
6466 (gen_subprogram_die): Whitespace fix.
6468 2006-08-01 Jan Hubicka <jh@suse.cz>
6470 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
6471 bitmap when not needed.
6472 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
6475 2006-08-01 Dirk Mueller <dmueller@suse.de>
6477 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
6479 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6481 * Makefile.in: Revert part of previous patch:
6482 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
6485 2006-07-30 Eric Christopher <echristo@apple.com>
6488 * doc/extend.texi (i386 Variable Attributes): Add anchor.
6489 (PowerPC Variable Attributes): New section.
6491 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
6493 PR target/28126 (partial fix)
6494 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
6496 2006-07-28 Jan Hubicka <jh@suse.cz>
6498 PR rtl-optimization/28071
6499 * cfgrtl.c (rtl_delete_block): Free regsets.
6500 * flow.c (allocate_bb_life_data): Re-use regsets if available.
6502 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6504 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
6505 and variables used in dependencies.
6507 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
6509 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
6510 %fs for -mcmodel=kernel.
6511 (stack_tls_protect_test_di): Likewise.
6513 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
6515 * Makefile.in: Use mkinstalldirs.
6517 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
6520 * opts-common.c (prune_options): Skip joined switches.
6522 2006-07-27 Jan Hubicka <jh@suse.cz>
6524 PR rtl-optimization/28071
6525 * cselib.c (cselib_process_insn): Don't remove useless values too
6526 often for very large hashtables.
6528 2006-07-27 Jan Hubicka <jh@suse.cz>
6530 PR rtl-optimization/28071
6531 * global.c (greg_obstack): New obstack.
6532 (allocate_bb_info): Use it.
6533 (free_bb_info): Likewise.
6534 (modify_reg_pav): Likewise.
6536 2006-07-27 Roger Sayle <roger@eyesopen.com>
6538 * builtins.c (fold_fixed_mathfn): When long and long long are the
6539 same size, canonicalize llceil*, llfloor*, llround* and llrint*
6540 functions to their lceil*, lfloor*, lround* and lrint* forms.
6542 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6545 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
6547 (rev_branch_insn): Likewise.
6549 2006-07-27 Jan Hubicka <jh@suse.cz>
6551 PR rtl-optimization/28071
6552 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
6553 (reg_set_in_bb, max_reg_computed): New static variables.
6554 (regmove_optimize): Free the new array.
6555 (fixup_match_1): Update call of reg_is_remote_constant_p.
6557 2006-07-26 Jan Hubicka <jh@suse.cz>
6559 PR tree-optimization/27882
6560 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
6562 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
6564 (cgraph_analyze_compilation_unit): Likewise.
6565 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
6566 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
6567 (cgraph_early_inlinine): Make order garbage collected.
6568 * Makefile.in (gt-ipa-inline): New garbagecollected file.
6570 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6572 * dbxout.c (output_types_sort): Add a comment.
6573 (output_used_types): Free the VEC.
6575 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6577 * function.c (reorder_fix_fragments): Delete.
6578 (reorder_blocks): Don't call it.
6579 (reorder_blocks_1): Put all subblocks under the origin block.
6581 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
6583 PR rtl-optimization/27907
6584 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
6587 2006-07-25 Roger Sayle <roger@eyesopen.com>
6590 * convert.c (convert_to_integer): When transforming (T)foo(x) into
6591 bar(x) check that bar's result type can represent all the values of T.
6593 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
6595 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
6597 2006-07-25 Nick Clifton <nickc@redhat.com>
6599 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
6600 size_lookup[] array.
6601 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
6602 (ggc_pch_count_object): Likewise.
6603 (ggc_pch_alloc_object): Likewise.
6604 (ggc_pch_write_object): Likewise.
6605 (init_ggc): Do not attempt to initialize entries in the
6606 size_lookup[] array for objects whose size is greater than than
6607 the length of the array.
6609 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
6611 * dbxout.c (output_used_types_helper): Push queued types
6613 (output_types_sort): New.
6614 (output_used_types): Collect used types on a VEC and sort them
6617 2006-07-24 Richard Guenther <rguenther@suse.de>
6620 * cgraph.c (cgraph_remove_node): Do not check if dumps
6622 * cgraphunit.c (cgraph_optimize): Likewise.
6624 2006-07-24 Jan Hubicka <jh@suse.cz>
6626 PR rtl-optimization/28071
6627 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
6628 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
6629 splitting before first stmt.
6631 2006-07-24 Jan Hubicka <jh@suse.cz>
6633 PR rtl-optimization/28071
6634 * ipa-inline.c (update_caller_keys): Remove edges that
6635 are no longer inline candidates.
6637 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
6640 * dbxout.c (output_used_types_helper, output_used_types): New.
6641 (dbxout_symbol): Call output_used_types.
6643 2006-07-23 Jan Hubicka <jh@suse.cz>
6647 * cgraph.c (cgraph_varpool_nodes): Export.
6648 (decide_is_variable_needed): Ignored "used" attribute in
6649 unit-at-a-time mode.
6650 * cgraph.h (cgraph_varpool_nodes): Declare.
6651 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
6652 unit-at-a-time mode.
6654 2006-07-23 Roger Sayle <roger@eyesopen.com>
6657 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
6658 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
6659 the __gthrw form of thr_keycreate.
6660 (__gthread_key_delete): Silence the unused argument warning.
6662 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
6665 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
6666 Cache the last found '\0' marker to avoid quadratic behavior.
6668 2006-07-23 Jan Hubicka <jh@suse.cz>
6670 * i386.md (subsi_3_zext): Fix output template.
6672 2006-07-21 Mike Stump <mrs@apple.com>
6674 * doc/invoke.texi (C++ Dialect Options): Note that
6675 -fvisibility-inlines-hidden doesn't affect explicitly
6676 instantiationed inline methods.
6678 2006-07-20 Roger Sayle <roger@eyesopen.com>
6680 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
6681 if the target assembler is GNU binutils' gas.
6682 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
6683 whether to pass GNU gas or native as command line options.
6685 2006-07-20 Jason Merrill <jason@redhat.com>
6687 * tree.c (remove_attribute): New fn.
6688 * tree.h: Declare it.
6690 2006-07-20 Paul Brook <paul@codesourcery.com>
6693 * cse.c (cse_insn): Add destination addresses to hash table. Check if
6694 they are invalidated by this instruction.
6696 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
6699 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
6701 2006-07-20 Eric Christopher <echristo@apple.com>
6704 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
6706 2006-07-19 Eric Christopher <echristo@apple.com>
6708 * config/t-slibgcc-darwin (stmp-lipo): Remove.
6709 Rewrite dependencies for libgcc_s.1.dylib.
6711 2006-07-19 Jakub Jelinek <jakub@redhat.com>
6713 * except.c (duplicate_eh_regions_1): Clear next_peer.
6715 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
6717 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
6718 -mlongcall does not guarantee all calls will be long.
6719 * doc/extend.texi (long_call/short_call): Document that longcall
6720 does not guarantee a long call will be used.
6721 (longcall/shortcall): Likewise.
6723 2006-07-18 Roger Sayle <roger@eyesopen.com>
6726 * expmed.c (expand_shift): Additionally check that the shift_cost
6727 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
6728 before implementing a LSHIFT_EXPR as a sequence of additions.
6729 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
6730 middle-end that DImode shifts need to be synthesized by expand.
6732 2006-07-18 Diego Novillo <dnovillo@redhat.com>
6735 * tree-ssa-operands.c (access_can_touch_variable): Update
6737 Return true if ALIAS is .GLOBAL_VAR.
6739 2006-07-18 David Daney <ddaney@avtrex.com>
6741 * gcc.c (display_help): Fix typo in help text.
6743 2006-07-18 Olivier Hainque <hainque@adacore.com>
6745 * tree.h (categorize_ctor_elements): Adjust prototype and add
6746 descriptive comment, both in accordance with the interface change
6748 * varasm.c (constructor_static_from_elts_p): New function.
6749 Whether a constructor node is a valid static constant initializer
6750 if all its elements are.
6751 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
6752 * output.h: Declare it.
6753 * expr.c (categorize_ctor_elements_1): Return whether the constructor
6754 is a valid constant initializer instead of computing the number of
6755 non-constant elements. Use constructor_static_from_elts_p for this
6756 purpose. Replace the head comment with an indication that this is a
6757 helper for categorize_ctor_elements.
6758 (categorize_ctor_elements): Same interface change as for the _1
6759 helper. Former head comment from this helper moved here, adjusted to
6760 account for the interface changes.
6761 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
6762 (all_zeros_p): Likewise.
6763 * gimplify.c (gimplify_init_constructor): Decide whether we can make
6764 static versions of the constructor from the categorize_ctor_elements
6765 return value instead of the formerly computed number of non-constant
6768 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
6770 * configure: Regenerate.
6771 * Makefile.in (build_libsubdir): New configure substitution
6772 (build_libobjdir): New variable.
6773 (BUILD_LIBIBERTY): Use it.
6775 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6778 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
6780 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
6783 * c-common.c (handle_weakref_attribute): Ignore attribute in
6784 the same conditions the alias attribute is ignored.
6786 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
6788 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
6789 (dbxout_begin_prologue): Increment scope_labelno.
6791 2006-07-17 Richard Henderson <rth@redhat.com>
6794 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
6797 2006-07-17 Roger Sayle <roger@eyesopen.com>
6798 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6800 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
6801 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
6802 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
6803 functions such as sbrk, write, etc.. Add function prototypes.
6804 Convert function declarations from K&R to ISO C. Cast pointers
6805 to "long" and "unsigned long" instead of "int" and "unsigned int".
6806 Convert tokens following #endif into comments.
6808 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
6810 * invoke.texi: Remove mention of f77; Reformat table for
6811 inline parameter options correctly; mention that -malign-double
6812 is default on x86-64 targets.
6814 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
6816 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
6817 (convert_affine_scev, chrec_convert_aggressive): Use
6818 avoid_arithmetics_in_type_p. Do not check for the subtypes
6821 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6824 * optabs.c (expand_doubleword_shift): Wrap the call to
6825 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
6827 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6830 * optabs.c (expand_binop): Pass next_methods rather than methods
6831 to expand_doubleword_shift.
6833 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
6836 * tree.h (dump_addr): Declare.
6837 * print-tree.c (dump_addr): New function.
6838 (print_node_brief, print_node): Use it.
6839 * print-rtl.c (print_rtx): Likewise.
6840 * common.opt (-fdump-noaddr): New option.
6841 * doc/invoke.texi (-fdump-noaddr): Document.
6842 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
6843 (ve_info_hash): Likewise.
6845 2006-07-13 Andrew Haley <aph@redhat.com>
6847 PR tree-optimization/19505
6848 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
6849 edge leaving this block, make sure that the destination of this
6850 block has only one predecessor.
6852 2006-07-17 Richard Guenther <rguenther@suse.de>
6854 PR tree-optimization/28238
6855 * tree-inline.c (copy_bb): Check if we produced valid
6856 gimple copying and substituting a stmt. If not, gimplify
6859 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
6861 * optabs.c (maybe_encapsulate_block): New function extracted from...
6862 (emit_libcall_block): ...here. Invoke it on the block of insns to
6863 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
6864 (emit_no_conflict_block): Likewise.
6866 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6868 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
6870 2006-07-15 Roger Sayle <roger@eyesopen.com>
6872 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
6873 a new NOP_EXPR case of the switch statement.
6875 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
6878 * stor-layout.c (place_field): Take the bit field with
6879 an excessive size into account in the ms-bitfiled case.
6882 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
6883 the previous bit field.
6885 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
6888 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
6890 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
6892 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
6893 signal frames correctly even when the signal was installed with
6896 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
6898 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
6899 (dbxout_function_end): Use local label LFBB. Remove hook
6901 (dbxout_source_line): Use local label LFBB.
6902 (dbxout_block): Likewise.
6903 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
6904 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
6905 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
6906 and DBX_OUTPUT_NFUN.
6908 2006-07-13 Janis Johnson <janis187@us.ibm.com>
6910 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
6912 2006-07-13 Jan Hubicka <jh@suse.cz>
6914 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
6916 * output.h (align_variable): Declare.
6917 * varasm.c (align_variable): Export.
6918 * value-prof.c (tree_value_profile_transformations): Recompute iterator
6919 when basic block changed.
6921 2006-07-13 Nick Clifton <nickc@redhat.com>
6923 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
6924 walking the LOG_LINKS chain.
6926 2006-07-12 Geoffrey Keating <geoffk@apple.com>
6928 * doc/invoke.texi (C++ Dialect Options): Explain difference
6929 between -fvisibility-inlines-hidden and setting hidden
6930 visibility explicitly.
6932 2006-07-12 Eric Christopher <echristo@apple.com>
6934 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
6935 (stmp-lipo): Depend on libgcc.a.
6937 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
6939 * tree.c: Fix a comment typo.
6941 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
6943 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
6945 (umulhisi3_r): Likewise.
6947 2006-07-12 Paolo Carlini <pcarlini@suse.de>
6950 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
6951 x < 19, vs wchar_t support.
6953 2006-07-12 Nick Clifton <nickc@redhat.com>
6955 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
6956 instead of -isa=sh4.
6958 2006-07-12 Mike Stump <mrs@apple.com>
6960 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
6962 2006-07-10 Eric Christopher <echristo@apple.com>
6964 * config/t-slibgcc-darwin: Rewrite.
6966 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
6969 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
6972 2006-07-08 Matthias Klose <doko@debian.org>
6974 * doc/sourcebuild.texi: Fix typo.
6976 2006-07-07 Mike Stump <mrs@apple.com>
6978 * toplev.c (process_options): Don't give -ffunction-sections may
6979 affect debugging warning for Mach-O.
6981 2006-07-07 James E Wilson <wilson@specifix.com>
6983 * config/mips/mips.md (cpu): Add sb1a.
6984 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
6985 addition to sb1. Adjust comments to clarify SB-1A differences from
6987 (ir_sb1a_load): New. Modify bypasses to use it.
6988 (ir_sb1a_simple_alu): Likewise.
6989 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
6990 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
6991 (mips_issue_rate): Add PROCESSOR_SB1A.
6992 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
6993 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
6994 (TARGET_SB1): Add PROCESSOR_SB1A check.
6995 (TUNE_SB1): Likewise.
6997 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
6998 * config/mips/mips.c (mips_store_data_bypass_p): New.
6999 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
7000 store_data_bypass_p.
7002 2006-07-08 Paul Brook <paul@codesourcery.com>
7005 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
7007 2006-07-07 Richard Guenther <rguenther@suse.de>
7010 * tree.h (build_one_cst): Declare.
7011 * tree.c (build_one_cst): New function.
7012 * tree-ssa-math-opts.c (get_constant_one): Remove.
7013 (insert_reciprocals): Use build_one_cst.
7014 * fold-const.c (fold_plusminus_mult): Likewise.
7016 2006-07-07 Roger Sayle <roger@eyesopen.com>
7018 * pointer-set.c (pointer_set_destroy): Correct whitespace.
7019 * cfgloopanal.c (dump_graph): Likewise.
7020 * dojump.c (discard_pending_stack_adjust): Likewise.
7021 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
7023 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
7024 * function.c (finalize_block_changes): Likewise.
7025 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
7026 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
7027 * rtl.c (dump_rtx_statistics): Likewise.
7028 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
7030 * varray.c (dump_varray_statistics): Likewise.
7031 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
7032 decode_decimal64, encode_decimal128, decode_decimal128,
7033 decimal_real_to_decimal): Likewise.
7035 2006-07-07 Richard Guenther <rguenther@suse.de>
7037 PR tree-optimization/28187
7038 * tree-vrp.c (vrp_operand_equal_p): New function.
7039 (vrp_bitmap_equal_p): Likewise.
7040 (update_value_range): Use them to compare old and new
7043 2006-07-06 Roger Sayle <roger@eyesopen.com>
7045 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
7046 a default case to switch statement to silence compiler warnings.
7048 2006-07-06 Roger Sayle <roger@eyesopen.com>
7051 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
7052 the configured assembler supports the x87's ffreep mnemonic.
7053 * configure: Regenerate.
7054 * config.in: Regenerate.
7056 * config/i386/i386.c (output_387_ffreep): New function.
7057 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
7058 (output_387_reg_move): Likewise.
7060 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
7062 Port to hosts whose 'sort' and 'tail' implementations
7063 treat operands with leading '+' as file names, as POSIX
7064 has required since 2001. However, make sure the code still
7065 works on pre-POSIX hosts.
7066 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
7067 which says you should use "tail -c +N" rather than "tail +Nc".
7068 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
7070 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
7072 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
7075 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7078 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
7079 PRE_{INC,DEC} of TFmode.
7081 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7082 Alan Modra <amodra@bigpond.net.au>
7085 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
7088 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7091 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
7092 Remove duplicate gtu.
7094 2006-07-05 Jason Merrill <jason@redhat.com>
7098 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
7099 * c-common.c (handle_packed_attribute): So don't copy it here.
7100 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
7102 2006-07-05 Mike Stump <mrs@apple.com>
7104 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
7106 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
7109 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
7111 2006-07-05 Richard Guenther <rguenther@suse.de>
7114 * config/i386/i386.md (*negdf2_1): Restrict pattern to
7115 TARGET_SSE2 targets if using SSE math.
7116 (*absdf2_1): Likewise.
7118 2006-07-05 Richard Guenther <rguenther@suse.de>
7120 PR tree-optimization/28162
7121 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
7122 make sure to convert the operands to the correct type.
7124 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
7126 PR tree-optimization/28218
7128 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
7129 to calculate and free the dominator information.
7131 2006-07-04 Peter O'Gorman <peter@pogma.com>
7133 * mklibgcc.in: chmod 644 before ranlib during install.
7135 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
7136 J"orn Rennecke <joern.rennecke@st.com>
7138 * configure.ac (.eh_frame data check): Use diff -b.
7140 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
7143 * Makefile.in (BUILD_RTL): Add build/vec.o.
7144 (build/gencondmd.o): Filter out -fkeep-inline-functions.
7145 (build/genextract): Delete.
7146 (build/genautomata): Likewise.
7148 2006-07-04 Alan Modra <amodra@bigpond.net.au>
7151 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
7152 128-bit IBM long doubles for ABI_V4.
7154 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
7156 * tree.c (range_in_array_bounds_p): New predicate.
7157 * tree.h (range_in_array_bounds_p): Declare it.
7158 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
7159 return a less conservative answer.
7160 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
7161 and flag 'is_group'.
7162 (IS_ELEMENT_FOR_GROUP): New macro.
7163 (FOR_EACH_ACTUAL_CHILD): Likewise.
7164 (next_child_for_group): New helper function.
7165 (can_completely_scalarize_p): Take into account groups.
7166 (sra_hash_tree): Handle RANGE_EXPR.
7167 (sra_elt_eq): Likewise.
7168 (lookup_element): Be prepared for handling groups.
7169 (is_valid_const_index): Delete.
7170 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
7171 instead of is_valid_const_index.
7172 <ARRAY_RANGE_REF>: New case.
7173 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
7174 is_valid_const_index.
7175 <ARRAY_RANGE_REF>: Do not unconditionally punt.
7176 (scan_dump): Dump info for groups too.
7177 (decide_instantiation_1): Likewise.
7178 (decide_block_copy): Assert that the element is not a group.
7179 Propagate decision to groups.
7180 (generate_one_element_ref): Handle RANGE_EXPR.
7181 (mark_no_warning): Iterate over actual childs.
7182 (generate_copy_inout): Likewise.
7183 (generate_element_copy): Likewise.
7184 (generate_element_zero): Likewise.
7185 (generate_element_init_1): Likewise.
7186 (dump_sra_elt_name): Handle RANGE_EXPR.
7188 2006-07-03 Roger Sayle <roger@eyesopen.com>
7190 PR tree-optimization/26251
7191 * tree-ssa-threadupdate.c (redirection_block_p): New function.
7192 (thread_block): When optimizing for size refuse to thread jumps
7193 that would require duplication of blocks other than redirection
7196 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7198 * configure.ac: Fix thinko in previous check-in.
7199 * configure: Regenerate.
7201 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7204 * configure.ac (for lang...): Simplify nesting of conditionals.
7205 Test subdir_requires for non-enabled languages. Move processing
7206 of lang_opt_files and lang_tree_fiels below that test.
7207 * configure: Regenerate.
7208 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
7210 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
7212 * doc/gcov.texi (Invoking Gcov): Add a missing word.
7214 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
7216 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
7219 2006-06-29 Jason Merrill <jason@redhat.com>
7226 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
7227 * c-common.c (c_determine_visibility): Handle it here.
7228 * c-decl.c (finish_decl): Call c_determine_visibility for
7230 * flags.h (enum symbol_visibility): Sort from most to least visibility.
7232 * varasm.c (default_assemble_visibility): Likewise.
7233 * c-common.c (handle_visibility_attribute): Complain about trying
7234 to give visibility to an already defined class, or trying to change
7235 declared visibility. Always attach the attribute.
7240 * attribs.c (decl_attributes): Ignore type-in-place attributes
7241 once the type has been defined.
7243 2006-06-29 Roger Sayle <roger@eyesopen.com>
7246 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
7247 to indicate the cpplib has issued an error message for us.
7249 2006-06-29 Asher Langton <langton2@llnl.gov>
7252 * config/i386/i386.c (ix86_output_function_epilogue): Don't
7253 insert a label at the end of an function under Mach-O.
7255 2006-06-29 Eric Christopher <echristo@apple.com>
7256 Evan Cheng <evan.cheng@apple.com>
7258 * predicates.md (vector_all_ones_operand): New.
7259 (nonimmediate_or_sse_const_operand): Ditto.
7260 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
7261 * config/i386/i386.c (standard_sse_constant_opcode): Define.
7262 (standard_sse_mode_p): Ditto.
7263 (standard_sse_constant_p): Add case for -1 vector.
7264 (ix86_expand_vector_move): Try to use.
7265 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
7266 Call standard_sse_constant_opcode.
7267 (*movv4sf_internal): Ditto.
7268 (*movv2df_internal): Ditto.
7270 2006-06-29 Roger Sayle <roger@eyesopen.com>
7272 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
7273 of XEXP to extract the operands of a MATCH_CODE rtx.
7275 2006-06-28 Andrew Pinski <pinskia@gmail.com>
7277 * tree.c (tree_size): Do not waste tail padding in
7278 struct tree_string and make the size be the same as
7279 build_string will generate.
7281 2006-06-28 Jason Merrill <jason@redhat.com>
7284 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
7285 may_aliases already in the tag's annotations to the bitmap.
7287 2006-06-28 Roger Sayle <roger@eyesopen.com>
7289 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
7291 2006-06-28 Roger Sayle <roger@eyesopen.com>
7293 * genpreds.c (generate_switch_p): New function.
7294 (add_mode_tests): Push the new mode test down inside an AND expr
7295 if this allows the switch-suitable MATCH_CODE to be near the root.
7296 (write_match_code_switch): New function to write a MATCH_CODE as
7298 (write_predicate_stmts): New function to write a predicate RTX
7299 expression as a sequence of statements.
7300 (write_one_predicate_function): Use write_predicate_stmts.
7301 (write_tm_constrs_h): Likewise.
7303 2006-06-26 Fred Fish <fnf@specifix.com>
7305 * config/mips/t-sb1: New file.
7306 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
7309 2006-06-26 DJ Delorie <dj@redhat.com>
7311 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
7313 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
7314 Jayant Sonar <jayants@kpitcummins.com>
7315 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
7317 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
7318 (subsi3, subsi3_1, subsi3_2): New.
7319 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
7320 * config/m32c/mov.md (SI mov peephole): New.
7321 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
7322 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
7324 2006-06-26 Olivier Hainque <hainque@adacore.com>
7326 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
7327 a CALL_EXPR target function declaration.
7329 2006-06-26 Richard Guenther <rguenther@suse.de>
7331 * tree.c (build_string): Do not waste tail padding in
7334 2006-06-26 Richard Guenther <rguenther@suse.de>
7336 * ggc-page.c (init_ggc): Add missing element to size_lookup
7340 2006-06-23 Richard Guenther <rguenther@suse.de>
7342 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7343 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7344 alignment requests instead. Add verification code.
7345 Add struct tree_function_decl and struct tree_binfo size to
7346 extra_order_size_table. Add missing element to size_lookup
7349 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
7352 * fold-const.c (const_binop): Be prepared for self returning zero.
7353 Simplify code handling complex values.
7355 2006-06-24 Olivier Hainque <hainque@adacore.com>
7357 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
7358 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
7361 2006-06-24 Olivier Hainque <hainque@adacore.com>
7363 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
7364 ARRAY_REF, so have the callback called for the low bound expression.
7366 2006-06-23 Janis Johnson <janis187@us.ibm.com>
7368 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
7369 * c-typeck.c (c_common_type): Disallow operations on decimal float
7370 types and other float types.
7371 * convert.c (convert_to_real): Don't ignore conversions involving
7372 decimal float types.
7374 2006-06-23 Olivier Hainque <hainque@adacore.com>
7376 * tree.c (max_int_size_in_bytes): New function, inspired from
7377 code in function.c:assign_temp.
7378 * tree.h (max_int_size_in_bytes): Declare.
7379 * function.c (assign_temp): Use it.
7380 * gimplify.c (create_tmp_var): Relax the assertions on the type
7381 properties, not mandating constant size any more.
7382 (force_constant_size): New static function.
7383 (gimple_add_tmp_var): Use it, forcing variable size to a
7384 constant upper bound if it is not constant on entry.
7386 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
7389 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
7390 for initialization and setting of one_only flag to ...
7391 (i386_pe_encode_section_info): ...here.
7392 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
7393 Recheck that the symbol has not been defined.
7395 2006-06-23 Richard Guenther <rguenther@suse.de>
7397 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7398 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7399 alignment requests instead. Add verification code.
7400 Add struct tree_function_decl and struct tree_binfo size to
7401 extra_order_size_table. Add missing element to size_lookup
7404 2006-06-22 Roger Sayle <roger@eyesopen.com>
7405 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7408 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
7409 call to lang_hooks.types.type_for_mode returned NULL_TREE.
7411 2006-06-23 Ben Elliston <bje@au.ibm.com>
7413 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
7414 negate dn -- manipulate it directly.
7416 2006-06-22 Roger Sayle <roger@eyesopen.com>
7417 Steven Bosscher <stevenb.gcc@gmail.com>
7420 * reload1.c (gen_reload): Call mark_jump_label on the new insns
7421 generated by gen_move_insn to add REG_LABEL notes if necessary.
7423 2006-06-22 Bob Wilson <bob.wilson@acm.org>
7425 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
7426 (leaf_entry): Remove use of MIN_ESA.
7428 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
7430 PR rtl-optimization/28121
7431 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
7434 2006-06-21 DJ Delorie <dj@redhat.com>
7436 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
7438 (mulhisi3_r): Likewise.
7440 2006-06-21 Richard Sandiford <richard@codesourcery.com>
7443 * coverage.c (coverage_counter_alloc): Leave the index type
7445 (coverage_counter_alloc): Use null arguments for operands 2 and 3
7448 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
7450 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
7451 section from the "Options for Code Generation Conventions".
7453 2006-06-21 Richard Henderson <rth@redhat.com>
7457 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
7459 (global_symbolic_operand): Allow weak symbols, even if local_p.
7461 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
7463 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
7464 (find_interesting_uses_address): Punt if above function returns true.
7466 2006-06-21 Richard Guenther <rguenther@suse.de>
7468 * configure: Regenerated.
7470 2006-06-21 Joseph Myers <joseph@codesourcery.com>
7472 * config/mips/mips.c (function_arg): Where one part of a
7473 complex argument is in registers and the other part in the stack,
7474 return a REG not a PARALLEL.
7476 2006-06-21 Mark Mitchell <mark@codesourcery.com>
7478 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
7479 when cross-compiling. Do not substitute libstdcxx_incdir.
7480 * configure: Regenerated.
7482 2006-06-21 Jakub Jelinek <jakub@redhat.com>
7484 * varasm.c (mergeable_string_section): Check for embedded NULs and
7485 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
7486 rather than TREE_STRING_LENGTH bytes.
7488 2006-06-21 Richard Guenther <rguenther@suse.de>
7490 * ggc-page.c (extra_order_size_table): Add var_ann_d,
7491 tree_ssa_name, bitmap_element and phi_node with 4 arguments
7494 2006-06-21 Richrad Guenther <rguenther@suse.de>
7496 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
7497 Limit iteration over the dominators.
7499 2006-06-20 Roger Sayle <roger@eyesopen.com>
7501 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
7502 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
7504 2006-06-20 Richard Guenther <rguenther@suse.de>
7505 Michael Matz <matz@suse.de>
7507 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
7509 * alloc-pool.c (free_alloc_pool_if_empty): New function.
7510 * et-forest.h (et_free_pools): Prototype new function.
7511 * et-forest.c (et_free_tree_force): Free parent occurrence.
7512 (et_free_pools): New function.
7513 * dominance.c (free_dominance_info): Free et-forest alloc
7516 2006-06-20 Roger Sayle <roger@eyesopen.com>
7518 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
7519 integer modes, attempt to directly construct an integer constant.
7521 * fold-const.c (native_encode_vector): Determine the size of each
7522 element from the vector type instead of the first vector element.
7524 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
7525 if all of its elements/components are constant.
7526 (build_constructor_from_list): Likewise.
7528 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
7530 PR tree-optimization/27331
7531 * tree-data-ref.c (free_data_ref): New function.
7532 (create_data_ref): Fail if the data reference has unknown access
7534 (free_data_refs): Use free_data_ref.
7536 2006-06-19 Andrew Pinski <pinskia@gmail.com>
7539 * tree-inline.c (setup_one_parameter): Strip useless
7540 type conversion before adding it to the IR.
7541 (declare_return_variable): Likewise.
7543 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
7546 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
7548 2006-06-19 Mike Stump <mrs@apple.com>
7550 * tree.c (variably_modified_type_p): VM arguments don't make the
7553 2006-06-19 Richard Guenther <rguenther@suse.de>
7555 * tree-ssa-pre.c (try_combine_conversion): Strip useless
7556 type conversions after folding.
7558 2006-06-19 Richard Guenther <rguenther@suse.de>
7560 * ggc-page.c (extra_order_size_tab): Add entries with
7561 size of struct function and basic_block.
7562 (size_lookup): Extend to cover sizes up to 511.
7563 (ggc_alloc_stat): Adjust user.
7564 (ggc_pch_count_object): Likewise.
7565 (ggc_pch_alloc_object): Likewise.
7566 (ggc_pch_write_object): Likewise.
7568 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
7570 * tree-ssa-loop-niter.c (implies_ge_p): New function.
7571 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
7574 2006-06-19 Denis Chertykov <denisc@overta.ru>
7576 * config/avr/libgcc.S : Correct my wrong previous commit.
7578 2006-06-19 Roger Sayle <roger@eyesopen.com>
7581 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
7582 have stripped a SUBREG from the shift count, so we may need to
7583 convert_to_mode back to the type's mode before calling make_tree.
7584 Use new_amount instead of amount to avoid expanding a tree twice.
7586 2006-06-19 Richard Guenther <rguenther@suse.de>
7589 * fold-const.c (operand_equal_p): Check if the argument types
7590 have the same precision before stripping NOPs.
7592 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
7594 Fix PR tree-optimization/27341
7595 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
7597 * tree-complex.c (pass_lower_complex): Update SMT usage.
7599 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
7601 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
7602 Add a new alternative to the constraint strings. Add move of
7603 operand 1 to 3 to the splitter definition.
7604 ("doloop_si_long"): Second contraint alternative removed.
7606 2006-06-08 Anatoly Sokolov <aesok@post.ru>
7608 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
7609 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
7611 (AVR_HAVE_MOVW) Define.
7612 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
7613 (ASM_SPEC): Add avr25.
7614 (LINK_SPEC): Add avr25.
7615 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
7616 (base_arch_s): Add new member 'have_movw_lpmx'.
7617 (avr_arch_types): Init 'have_movw_lpmx'.
7618 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
7619 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
7620 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
7621 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
7622 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
7624 (avr_file_start): Do not output '.arh' derective.
7625 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
7626 (__do_copy_data): Use __AVR_HAVE_LPMX__.
7627 * config/avr/avr.md (mcu_enhanced): Delete.
7628 (mcu_have_movw): Define.
7629 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
7630 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
7631 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
7632 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
7633 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
7634 attiny861 and at86rf401 devices.
7636 2006-06-18 Jie Zhang <jie.zhang@analog.com>
7638 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
7641 2006-06-17 Karl Berry <karl@gnu.org>
7643 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
7644 doc/gccint.texi, doc/install.texi (@dircategory): Use
7645 "Software development" instead of "Programming", following
7646 the Free Software Directory.
7648 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
7650 * config/i386/i386.c (legitimate_tls_address)
7651 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
7652 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
7653 (*tls_dynamic_gnu2_combine_64): Likewise.
7655 2006-06-16 Richard Guenther <rguenther@suse.de>
7658 * fold-const.c (negate_expr_p): Do not introduce undefined
7659 overflow in negating INTEGER_CSTs.
7660 (fold_negate_expr): Rename from negate_expr. Revert last
7661 change for folding BIT_NOT_EXPR. Change semantics to
7662 return NULL_TREE for non-simplified negations. Do not
7663 strip type conversions and unify type handling.
7664 (negate_expr): New function, wrap around fold_negate_expr
7665 but ensure building a tree always. Strip type conversions
7666 here, fold to result type.
7667 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
7669 2006-06-16 Roger Sayle <roger@eyesopen.com>
7672 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
7673 that (would) return their results in stack registers.
7675 2006-06-16 Michael Matz <matz@suse.de>
7676 Richard Guenther <rguenther@suse.de>
7678 * fold-const.c (fold_truthop): Only return new tree node if
7679 we canonicalized something.
7681 2006-06-16 Richard Guenther <rguenther@suse.de>
7683 * function.h (enum function_frequency): Move declaration
7684 out of struct function.
7685 (struct function): Move bool fields and the enum to the bitfield
7686 section. Reorder elements to avoid padding. Remove unused
7687 fields left over from the RTL inliner removal.
7688 * function.c (free_after_compilation): Do not zero removed fields.
7689 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
7690 (ipa-type-escape.o): Likewise.
7692 2006-06-16 Richard Guenther <rguenther@suse.de>
7694 * cgraph.h (struct cgraph_local_info): Turn bool elements
7696 (struct cgraph_node): Likewise.
7697 (struct cgraph_varpool_node): Likewise.
7699 2006-06-15 Richard Guenther <rguenther@suse.de>
7701 * fold-const.c (fold_truth_not_expr): Rename from
7702 invert_truthvalue. Give it fold_* semantics to avoid
7704 (invert_truthvalue): New function. Wrapper around
7705 fold_truth_not_expr.
7706 (optimize_minmax_comparison): Avoid creating garbage.
7707 (fold_unary): Use fold_truth_not_expr for folding
7709 (fold_ternary): Replace uses of invert_truthvalue with
7710 fold_truth_not_expr where applicable.
7711 * tree.h (fold_truth_not_expr): Prototype.
7713 2006-06-16 Richard Guenther <rguenther@suse.de>
7715 PR tree-optimization/27781
7716 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
7717 * ipa-pure-const.c (target.h): Include.
7718 (analyze_function): Do not analyze functions that do not
7721 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
7724 * tree-dfa.c (referenced_vars_dup_list): Remove.
7725 (find_referenced_vars): Remove assert.
7726 (referenced_var_check_and_insert): Replace dup list with assert.
7727 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
7728 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
7730 2006-06-15 Richard Guenther <rguenther@suse.de>
7732 * tree-ssa-structalias.c (alias_get_name): Avoid creating
7733 extra unused identifiers if not dumping.
7734 (create_variable_info_for): Likewise.
7736 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
7738 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
7739 (derive_constant_upper_bound): Derive more precise upper bound in
7740 common cases. Return type changed to double_int.
7741 (record_estimate): Reflect the changed return type of
7742 derive_constant_upper_bound.
7743 * double-int.c (double_int_zext, double_int_sext): Fix.
7745 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
7747 * configure.ac (CFLAGS): Get them from the toplevel or from the
7748 configure invocation.
7749 * configure: Regenerate.
7750 * Makefile.in (CFLAGS): Substitute value provided by configure.
7752 2006-06-14 Mark Mitchell <mark@codesourcery.com>
7755 * c-common.h (c_finish_omp_atomic): Adjust declaration.
7756 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
7757 rather than calling add_stmt on it.
7758 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
7760 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
7763 * reload1.c (reload): Remove registers returned by update_eliminables
7764 from used_spill_regs.
7766 2006-06-13 DJ Delorie <dj@redhat.com>
7768 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
7770 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
7772 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
7773 html__strip_dir, html__mkdir_p. Enhance install-html target.
7774 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
7775 * configure: Regenerate.
7777 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
7779 * fold-const.c (fold_cond_expr_with_comparison): Check for
7780 Objective-C++ as language in deciding COND_EXPR transformation.
7782 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
7785 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
7786 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
7787 * config/sh/lib1funcs.h (SL, SL1): Define.
7788 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
7789 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
7790 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
7791 (OBJS_Os_4_200): New variable.
7792 ($(T)libgcc-Os-4-200.a): Use it.
7793 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
7794 when dividing 1 and/or by 0.
7796 2006-06-13 Roger Sayle <roger@eyesopen.com>
7798 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
7799 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
7800 * configure: Regenerate.
7802 2006-06-13 Jie Zhang <jie.zhang@analog.com>
7804 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
7805 for real instruction.
7807 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7810 * haifa-sched.c (check_cfg): Handle special case.
7812 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
7815 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
7816 Add debug_info parameter. Chain the vars to the BLOCK instead
7817 of the BIND_EXPR if debug info are requested for them.
7818 (pop_gimplify_context): Adjust for above change.
7819 (gimple_add_tmp_var): Likewise.
7820 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
7822 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
7823 (convert_local_reference): Likewise.
7824 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
7825 (finalize_nesting_tree_1): Request that debug info be emitted
7826 for debug_var_chain.
7828 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7830 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
7831 for PR target/27863.
7833 2006-06-13 Richard Guenther <rguenther@suse.de>
7836 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
7838 2006-06-13 Richard Guenther <rguenther@suse.de>
7840 PR tree-optimization/27830
7841 * tree-inline.c (copy_body_r): For copying the operand
7842 of an ADDR_EXPR make sure to fold &* afterwards.
7844 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
7846 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
7847 lvalues in the fb_none case with side-effects.
7849 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
7851 * tree-flow.h: Remove the prototype for
7852 compute_phi_arg_on_exit.
7853 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
7854 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
7857 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
7859 * builtins.c (expand_builtin_return_addr): Only use
7860 frame_pointer_rtx when count == 0 and we are expanding
7861 __builtin_return_address.
7863 2006-06-12 Fred Fish <fnf@specifix.com>
7865 * config/mips/mips.c (mips_file_start): Create special section
7866 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
7868 2006-06-11 Eric Christopher <echristo@apple.com>
7871 * stor-layout.c (place_field): Remove check for
7872 remaining_in_alignment when aligning at the end of a run.
7874 2006-06-11 Eric Christopher <echristo@apple.com>
7877 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
7880 2006-06-11 Roger Sayle <roger@eyesopen.com>
7883 Revert incorrect fix for PR target/27158
7884 2006-05-08 Roger Sayle <roger@eyesopen.com>
7885 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7886 of a reg_equiv_constant if the result is a legitimate constant.
7888 2006-06-11 Roger Sayle <roger@eyesopen.com>
7891 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
7892 extract a CONST_VECTOR element and interpret it as an integer.
7893 (vspltis_constant): Use const_vector_elt_as_int instead of the
7894 macro CONST_VECTOR_ELT in order to handle FP vector modes.
7895 * config/rs6000/predicates.md (easy_vector_const): Consider
7896 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
7898 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
7901 * stor-layout.c (update_alignment_for_field): Don't add extra
7902 alignment for packed non-bitfield fields in ms_bitfield_layout_p
7905 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
7907 * config/mips/t-rtems: Add EL/EB multilib variants.
7909 2006-06-09 Mike Stump <mrs@apple.com>
7911 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
7913 2006-06-09 David Daney <ddaney@avtrex.com>
7915 * doc/install.texi: Add binutils version recommendation for mips-*-*.
7917 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
7919 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
7921 2006-06-09 Richard Guenther <rguenther@suse.de>
7923 PR tree-optimization/26998
7924 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
7925 of signed types, only TYPE_MIN_VALUE is special, but for both,
7926 minimum and maximum value. Likewise VR_ANTI_RANGE is special
7927 in this case, as is -fwrapv.
7929 2006-06-08 Mike Stump <mrs@apple.com>
7932 * config/darwin.c (darwin_asm_output_anchor): Disable
7933 -fsection-anchors on darwin for now.
7934 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
7935 * rs6000/rs6000.c (optimization_options): Likewise.
7937 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7940 * config/i386/i386.c (classify_argument): Skip fields with invalid
7943 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
7945 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
7946 (cse_insn): Likewise for the stack_pointer_rtx.
7948 2006-06-08 Roger Sayle <roger@eyesopen.com>
7950 * tree-ssa-dom.c (record_conditions): Only record "unordered"
7951 conditions from floating point comparisons.
7953 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
7956 * expmed.c (struct alg_hash_entry): Fix type of field T
7957 to match synth_mult argument.
7958 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
7960 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7963 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
7966 2006-06-08 Richard Guenther <rguenther@suse.de>
7969 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
7970 only, if overflow is defined and not trapping.
7971 (negate_expr): Likewise.
7973 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7975 PR tree-optimization/27872
7976 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
7977 flag on the new exit edge of the unrolled loop.
7979 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7981 PR rtl-optimization/26449
7982 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
7984 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
7987 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
7988 referenced_variables with matching DECL_UID's.
7989 (find_referenced_vars): Make sure duplicate list is empty to start.
7990 (referenced_var_p): Remove.
7991 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
7992 Check if var is in the list, and add if needed. Update the duplicate
7993 list if a different var is in the list with the same DECL_UID.
7994 (add_referenced_var): Call routine to check and insert.
7995 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
7996 * tree-flow.h (referenced_vars_dup_list): External declaration.
7998 2006-06-07 Fred Fish <fnf@specifix.com>
8000 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
8003 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
8006 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
8007 the imaginary and real parts of a clobbered register.
8008 Emit insn to set the imaginary part.
8010 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
8012 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
8013 in lieu of unwind-dw2-fde.c.
8015 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
8017 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
8019 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
8022 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
8023 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
8024 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
8025 V4SImode temporaries and operations instead.
8027 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
8029 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
8032 2006-06-06 Mike Stump <mrs@apple.com>
8034 * Makefile.in: Rename to htmldir to build_htmldir to avoid
8035 installing during build.
8037 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8039 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
8041 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8042 * config/ia64/ia64.c (params.h): New header.
8043 (ia64_optimization_options): New function to adjust parameters.
8044 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
8045 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
8046 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
8048 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
8050 * stor-layout.c (debug_rli): Fix a typo in a debug message.
8052 2006-06-05 Steve Ellcey <sje@cup.hp.com>
8055 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
8057 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
8058 Victor Kaplansky <victork@il.ibm.com>
8060 PR tree-optimization/26360
8061 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
8064 2006-06-04 Roger Sayle <roger@eyesopen.com>
8065 Andrew Pinski <pinskia@physics.uc.edu>
8068 * c-common.c (c_common_truthvalue_conversion): Explicitly check
8069 for LABEL_DECL before calling DECL_WEAK.
8072 * c-typeck.c (build_binary_op): Likewise, explicitly check for
8073 LABEL_DECL and PARM_DECL.
8075 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
8079 * c-decl.c (grokdeclarator): Disallow variably modified types at
8080 file scope. Avoid marking shared array type of constant size as
8083 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8086 * c-common.c (fold_offsetof_1): Handle static members.
8088 2006-06-04 Eric Christopher <echristo@apple.com>
8090 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
8091 (debug_rli): Output value for remaining_in_alignment.
8092 (update_alignment_for_field): Unconditionalize
8093 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
8094 extra alignment code.
8095 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
8096 ms_bitfield_layout_p code. Rewrite handling of structure fields.
8097 * tree.h (record_layout_info_s): Remove prev_packed.
8098 * doc/extend.texi (ms_struct): Add documentation of format.
8100 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
8102 * tree.h: Declare folding_initializer.
8103 * builtins.c (fold_builtin_constant_p): Give definite answer
8104 if folding inside an initializer.
8105 * fold-const.c: Define folding_initializer.
8106 (START_FOLD_INIT): Save and then set folding_initializer.
8107 (END_FOLD_INIT): Restore folding_initializer.
8109 2006-06-04 Richard Guenther <rguenther@suse.de>
8111 PR tree-optimization/27039
8112 * fold-const.c (fold_comparison): Handle pointer comparison
8113 again for all comparison codes. Compare offsets in signed
8115 (fold_binary): Move code from here.
8117 2006-06-03 Roger Sayle <roger@eyesopen.com>
8120 * config/i386/i386.c (construct_container): Split static issued_error
8121 flag into issued_sse_arg_error, issued_sse_ret_error and
8122 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
8123 requires the use of x87 registers and the user explicitly
8124 specified the -mno-80387 command line option.
8126 2006-06-02 Geoffrey Keating <geoffk@apple.com>
8128 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
8129 HAVE_DECL_SIGALTSTACK.
8131 (segv_handler): Use MC_FLD.
8132 * configure.ac: Check for a sigaltstack declaration.
8133 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
8134 * configure: Regenerate.
8135 * config.in: Regenerate.
8137 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
8140 * Makefile.in (stmp-fixinc): Fix typo.
8142 2006-06-02 Roger Sayle <roger@eyesopen.com>
8144 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
8145 are type correct. Clean-up.
8146 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
8147 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
8149 2006-06-01 DJ Delorie <dj@redhat.com>
8151 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
8152 shift, as we've disabled the "switch" insn that needs it.
8154 2006-06-01 Per Bothner <bothner@bothner.com>
8156 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
8157 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
8158 * c-ppoutput.c (cb_define): Don't increment line 0.
8160 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
8162 * doc/invoke.texi: Add cpu_type power6.
8163 * config.gcc: Add cpu_type power6.
8164 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
8165 to power5+ with Altivec.
8166 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
8167 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
8169 2006-05-30 Anatoly Sokolov <aesok@post.ru>
8171 * config/avr/avr.h (SET_ASM_OP): Define.
8173 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
8175 * config/bfin/bfin.c: Fix comment typos.
8177 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8180 * doc/install.texi: Document --enable-bootstrap and
8181 --disable-bootstrap.
8183 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8185 * doc/install.texi: Document that InfoZIP can replace jar.
8187 2006-05-31 Roger Sayle <roger@eyesopen.com>
8189 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
8190 isn't available, directly generate the simpler x87 patterns without
8191 the (use (const_int 0)).
8192 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
8193 implementation isn't available.
8194 (*negdf2_1): Likewise.
8195 (*negxf2_1): XF mode negation is always done using the x87.
8196 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
8198 2006-05-31 Roger Sayle <roger@eyesopen.com>
8200 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
8201 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
8203 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
8205 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8207 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
8208 * config/bfin/bfin.c (basic-block.h): Include.
8209 (struct machine_function): New.
8210 (bfin_init_machine_status): New.
8211 (override_options): Initialize init_machine_status.
8212 (bfin_hardware_loop): New.
8213 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
8214 (DEF_VEC_P (loop_info)): New.
8215 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
8216 (struct loop_info): New.
8217 (loop_info): New typedef.
8218 (struct loop_work): New.
8219 (loop_work): New typedef.
8220 (DEF_VEC_O (loop_work)): New.
8221 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
8222 (bfin_dump_loops): New.
8223 (bfin_bb_in_loop): New.
8224 (bfin_scan_loop): New.
8225 (bfin_optimize_loop): New.
8226 (bfin_reorg_loops): New.
8227 (bfin_reorg): Use bfin_reorg_loops.
8228 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
8230 (I_REGNO_P): Simplify.
8231 (DP_REGNO_P, DPREG_P): New macros.
8232 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
8233 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
8234 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8235 Add LT_REGS, LC_REGS, LB_REGS.
8236 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
8238 (REGNO_REG_CLASS): Deal with loop registers.
8239 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
8241 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
8242 New constants for loop registers.
8243 (UNSPEC_LSETUP_END): New.
8244 (seq_insns): New define_attr. Set it for appropriate insns.
8245 (movsi_insn): Add alternatives for move from/to
8246 loop count registers.
8247 (doloop_end): New define_expand.
8248 (loop_end): New define_insn.
8249 (define_split for bad doloop_end): New.
8250 (lsetup_with_autoinit): New define_insn.
8251 (lsetup_without_autoinit): New define_insn.
8252 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
8253 * config/bfin/predicates.md (lc_register_operand): New.
8254 (lt_register_operand): New.
8255 (lb_register_operand): New.
8256 (nondp_register_operand): New.
8257 (nondp_reg_or_memory_operand): New.
8258 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
8260 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8262 * config/bfin/bfin.c (bfin_delegitimize_address): New.
8263 (TARGET_DELEGITIMIZE_ADDRESS): Define.
8265 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
8267 * Makefile.in (CATALOGS): Add po/ prefix.
8268 * configure: Regenerated.
8270 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
8273 * arm.c (arm_print_operand case 'S'): Validate that the operand is
8274 a shift operand before calling shift_op. Avoid redundant call of
8277 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
8278 DJ Delorie <dj@redhat.com>
8280 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
8281 we're inserting is a singlt-bit constant.
8283 2006-05-30 Roger Sayle <roger@eyesopen.com>
8285 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
8286 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
8288 2006-05-30 Roger Sayle <roger@eyesopen.com>
8290 PR tree-optimization/23452
8291 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
8292 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
8293 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
8294 complex values and with -ffast-math for FP complex values.
8296 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
8298 * c-common.h: Remove the prototype for yyparse.
8299 * rtl.h: Remove the prototype for init_loop.
8301 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
8303 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
8306 2006-05-30 Roger Sayle <roger@eyesopen.com>
8308 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
8310 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
8311 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
8313 2006-05-30 Dirk Mueller <dmueller@suse.de>
8316 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
8317 for CONSTANT_CLASS_P expresisons.
8319 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8322 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
8324 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
8326 PR tree-optimization/27779
8327 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
8328 initial_condition instead of CHREC_LEFT.
8330 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
8332 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
8333 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
8334 Make prototypes ISO C90.
8336 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
8337 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8339 * see.c (see_analyze_one_def): Correct check.
8340 (see_get_extension_data): Check if extension is parallel.
8341 (see_get_extension_reg): Likewise.
8343 2006-05-30 Uros Bizjak <uros@kss-loka.si>
8346 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
8347 into register for (code == GTU).
8349 2006-05-29 Roger Sayle <roger@eyesopen.com>
8351 PR tree-optimization/24964
8352 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
8353 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
8354 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
8355 abs(x)*abs(x) as x*x for scalar floating point modes.
8357 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
8360 * lambda-code.c (perfect_nestify): Don't copy statements
8361 in the inner loop: move them to the inner loop header.
8363 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8366 * c-tree.texi: Document OpenMP directives and clauses.
8368 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8370 * varasm.c (globalize_decl): Fix indentation.
8372 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8375 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
8376 pass_fre, pass_store_ccp, pass_copy_prop,
8377 pass_store_copy_prop, pass_merge_phi, pass_nrv,
8378 pass_return_slot, pass_object_size, pass_lim,
8379 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
8380 pass_loop_prefetch and pass_stdarg.
8382 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
8384 * config/bfin/bfin.opt (mfdpic): New option.
8385 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
8386 (EXTRA_MULTILIB_PARTS): Likewise.
8387 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
8388 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
8390 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
8391 (CRT_CALL_STATIC_FUNCTION): New.
8392 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
8394 (CRT_CALL_STATIC_FUNCTION): New.
8395 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
8397 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
8398 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
8399 (initialize_trampoline): Changed to handle FD-PIC code generation.
8400 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
8401 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
8402 (override_options): Disallow -mid-shared-library -mfdpic combination.
8403 Can't do unaligned ops if FD-PIC.
8404 Turn off flag_pic if trying to generate non-id-shared-library
8405 non-fdpic code, since it's not supported.
8406 (bfin_assemble_integer): New function.
8407 (TARGET_ASM_INTEGER): Define.
8408 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
8410 * config/bfin/crtn.s: Restore them.
8411 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
8413 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
8414 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
8415 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
8416 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
8417 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
8419 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
8420 FDPIC_REGS and FDPIC_FPTR_REGS.
8421 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
8422 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
8423 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
8424 (load_funcdescsi): New pattern.
8425 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
8426 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
8427 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
8429 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8431 * gcse.c, rtlanal.c: Remove obsolete comments associated with
8434 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
8436 * tree-flow.h: Remove the prototype for add_type_alias.
8437 * tree-ssa-alias.c (add_type_alias): Remove.
8439 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
8441 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
8442 config/fr30/fr30.md, config/i386/i386-interix.h,
8443 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
8444 config/sh/superh64.h, config/v850/v850.c, df-core.c,
8445 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
8446 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
8447 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
8448 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
8449 Follow spelling conventions.
8450 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
8451 Follow spelling conventions.
8453 2006-05-27 Richard Guenther <rguenther@suse.de>
8456 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
8457 to produce a constant of value 1 of generic type.
8459 2006-05-27 Dirk Mueller <dmueller@suse.de>
8461 * cgraphunit.c (decide_is_function_needed): Fix wrong
8464 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
8466 PR rtl-optimization/27661
8467 * reload.c (find_reloads): When reloading a VOIDmode constant
8468 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
8469 use Pmode as mode of the reload register.
8471 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
8473 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
8474 is enabled at -O and above.
8476 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
8479 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
8482 2006-05-25 Mark Mitchell <mark@codesourcery.com>
8485 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
8486 for anonymous variables explicitly declared by front ends.
8488 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8490 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
8491 (struct alias_info): Add new field ref_all_symbol_mem_tag.
8492 * tree-ssa-alias.c (compute_may_aliases): If the program contains
8493 ref-all pointers, run a finalization pass for them.
8494 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
8495 (finalize_ref_all_pointers): New function.
8496 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
8497 regular pointer type to a ref-all pointer type.
8498 (get_tmt_for): Return the special memory tag for ref-all pointers.
8500 2006-05-25 Richard Guenther <rguenther@suse.de>
8503 * fold-const.c (fold_binary): Do not look at the stripped
8504 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
8506 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8508 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
8509 for LT and GT if the computed range is effectively empty.
8511 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8514 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
8515 mips_quad_format formats instead of ieee_single_format,
8516 ieee_double_format and ieee_quad_format formats, respectively.
8518 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
8520 PR tree-optimization/27639
8521 PR tree-optimization/26719
8522 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
8523 call to scev_probably_wraps_p.
8524 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
8525 used_in_pointer_arithmetic_p, convert_step): Removed.
8526 (nowrap_type_p): New function.
8527 (scev_probably_wraps_p): Rewritten.
8528 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
8529 chrec_convert if chrec_convert_aggressive might have been used.
8530 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
8531 scev_direction): New functions.
8532 (chrec_convert): Changed to a wrapper over chrec_convert_1.
8533 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
8534 instead of convert_step.
8535 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
8536 (convert_step): Declaration removed.
8537 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
8539 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
8541 * df-core.c: Added to header comments.
8542 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
8543 df_ur_bb_info, df_urec_bb_info): Added comments.
8544 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
8545 urec, ri problems): Fixed header comments.
8546 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
8547 code from df_rd_transfer_function.
8549 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8551 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
8552 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
8553 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
8555 2006-05-23 Joseph Myers <joseph@codesourcery.com>
8557 * expr.c (undefined_operand_subword_p): New.
8558 (emit_move_multi_word): Do not generate move from undefined bits
8559 of a paradoxical subreg.
8561 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8563 PR rtl-optimization/27736
8564 * combine.c (replaced_rhs_value): New variable.
8565 (combine_instructions): Set it.
8566 (distribute_notes): When distributing a note in replaced_rhs_insn,
8567 check whether the value was used in replaced_rhs_value.
8569 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
8572 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
8573 add_referenced_var instead of add_referenced_tmp_var.
8574 * tree-complex.c (create_one_component_var): Use add_referenced_var.
8575 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
8577 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
8578 tree_optimize_tail_calls_1): Use add_referenced_var.
8579 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
8580 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
8581 Use add_referenced_var.
8582 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
8583 * gimplify.c (force_gimple_operand): Use add_referenced_var.
8584 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
8585 Use add_referenced_var.
8586 * tree-dfa.c (struct walk_state): Remove.
8587 (find_referenced_vars): Remove walk state and vars_found hash table.
8588 (make_rename_temp): Use add_referenced_var.
8589 (find_vars_r): Pass less parameters to add_referenced_var.
8590 (referenced_var_p): New. Is var in referenced_var hash table.
8591 (referenced_var_insert): Assert var isn't already in hash table.
8592 (add_referenced_var): Don't need walk_state parameter. Add var if it
8593 isn't already in the hash table.
8594 (add_referenced_tmp_var): Remove.
8595 (find_new_referenced_vars_1): Use add_referenced_var.
8596 * tree-ssa-pre.c (create_expression_by_pieces,
8597 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
8598 Use add_referenced_var.
8599 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
8600 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
8601 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
8603 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8604 vect_create_data_ref_ptr, vect_create_destination_var,
8605 vect_init_vector, vect_build_loop_niters,
8606 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
8607 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
8608 Use add_referenced_var.
8609 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
8610 * tree-flow.h (add_referenced_tmp_var): Remove prototype
8611 (add_referenced_var): Add prototype.
8612 * tree-ssa-structalias.c (get_constraint_for,
8613 intra_create_variable_infos): Use add_referenced_var.
8615 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
8617 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
8618 big-endian paradoxical subregs.
8619 * var-tracking.c (struct micro_operation_def): Document that,
8620 for modify micro operations, insn is the subsequent instruction.
8621 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
8622 (var_reg_set, var_mem_set): ... new functions.
8623 (add_stores): Record subsequent insn.
8624 (compute_bb_dataflow): Use new functions for MO_USE.
8625 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
8626 notes after the insn, and modify notes before the insn known
8627 to be the subsequent one.
8628 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
8630 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
8633 * config/i386/i386.c (ix86_expand_builtin): Use
8634 gen_sse3_monitor64 for TARGET_64BIT.
8636 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
8638 PR rtl-optimization/26375
8639 PR rtl-optimization/26855
8640 * df-problems (df_ru_bb_local_compute_process_def): Removed update
8642 (df_ru_bb_local_compute): Reversed statements and removed bogus
8643 comment explaining why they should be in wrong order.
8644 (df_ru_dump, df_rd_dump): Enhanced debug info.
8645 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
8647 * ddg.c (add_deps_for_def): Converted use of reaching defs to
8648 reaching uses and fixed space problem.
8650 2006-05-23 Jan Hubicka <jh@suse.cz>
8652 * cgraphunit.c (decide_is_function_needed): Also nested functions
8653 and functions declared inline can be optimized out at -O0.
8655 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
8657 * doc/install.texi (Configuration): Remove reference to CrossGCC
8661 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8664 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
8665 ix86_compare_emitted is non-NULL.
8667 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8670 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
8673 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8675 PR rtl-optimization/25514
8676 * combine.c (replaced_rhs_insn): New variable.
8677 (combine_instructions): Set replaced_rhs_insn when trying to replace
8678 a SET_SRC with a REG_EQUAL note.
8679 (distribute_notes): Use replaced_rhs_insn when determining the live
8680 range of a REG_DEAD register.
8682 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
8683 Anatoly Sokolov <aesok@post.ru>
8685 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
8686 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
8687 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
8688 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
8689 atmega3290, atmega649, atmega6490, atmega406, atmega640,
8690 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
8691 at90usb647, at90usb1286 and at90usb1287 devices.
8692 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8693 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8695 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8697 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
8699 2006-05-22 Richard Guenther <rguenther@suse.de>
8702 2006-01-31 Richard Guenther <rguenther@suse.de>
8703 Paolo Bonzini <bonzini@gnu.org>
8705 * doc/install.texi (--disable-libgcc-math): Document.
8707 2006-05-22 Richard Guenther <rguenther@suse.de>
8710 2006-01-31 Richard Guenther <rguenther@suse.de>
8712 * doc/invoke.texi (-msselibm): Document.
8713 * target.h (expand_library_builtin): New target hook.
8714 * builtins.c (expand_builtin): Use expand_library_builtin.
8715 (default_expand_library_builtin): New function.
8716 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8717 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8718 (link_gcc_math_spec): Declare.
8719 (static_specs): Add link_gcc_math_spec.
8720 * expr.h (default_expand_library_builtin): Declare.
8721 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8722 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8723 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8724 * config/i386/i386.opt (msselibm): New target option.
8725 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8726 (ix86_init_sse_abi_builtins): New function.
8727 (ix86_expand_library_builtin): Likewise.
8728 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8729 (override_options): Handle error conditions wrt -msselibm.
8730 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8731 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8732 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8735 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8738 * c-common.c (self_promoting_args_p): Skip erroneous args.
8741 * c-decl.c (finish_struct): Skip erroneous fields.
8743 2006-05-22 Nick Clifton <nickc@redhat.com>
8745 * config/cris/cris.opt (march): Remove VarExists attribute.
8746 (max-stackframe=): Likewise.
8748 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8750 * doc/rtl.texi: Fix a typo.
8751 * see.c: Fix comment typos.
8753 * tree-ssa-structalias.h (alias_info): Remove num_references.
8755 2006-05-21 Mike Stump <mrs@apple.com>
8757 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
8759 (darwin_pragma_options): Use BAD instead.
8760 (darwin_pragma_unused): Likewise.
8761 (darwin_pragma_ms_struct): Likewise.
8763 2006-05-21 David Edelsohn <edelsohn@gnu.org>
8765 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
8767 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
8769 PR rtl-optimization/27671
8770 * simplify-rtx.c (simplify_relational_operation_1): Fix
8771 simplifications of (eq/ne (xor x y) y) and
8772 (eq/ne (xor x y) x).
8774 PR tree-optimization/26622.
8775 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
8778 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8780 * tree-cfg.c: Prune whitespace.
8781 (debug_tree_cfg): Point to correct header containing the
8784 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8787 * cgraphunit.c (verify_cgraph_node): Typo in error message.
8789 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
8792 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
8793 or sorry count is non zero.
8795 2006-05-20 Andreas Schwab <schwab@suse.de>
8797 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
8799 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
8800 Kenneth Zadeck <zadeck@naturalbridge.com>
8802 PR rtl-optimization/26855
8804 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
8806 (df_scan_alloc): Added code to properly handle multiword hard
8807 registers and add all_blocks parameter.
8808 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
8809 code to properly handle multiword hard registers.
8810 (df_rescan_blocks): Added code to remove deleted blocks from
8812 (df_ref_create_structure, df_ref_record): Added code to properly
8814 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
8815 and set DF_REF_PARTIAL.
8816 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
8817 (df_uses_record): Added DF_REF_PARTIAL for subreg.
8818 (df_scan_add_problem): Added flags parameter.
8819 (df_ref_create_structure): Changed switching structure.
8820 (df_bb_refs_record): Fixed case where duplicate artificial refs
8821 were created. Changed location of flags.
8822 (df_record_entry_block_defs): Added code to make stack pointer
8823 live in entry block. Refined cases where frame pointer is needed.
8824 Changed location of flags.
8825 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
8826 (df_set_state): Removed function.
8827 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
8828 df_insn_create_insn_record, df_insn_refs_delete,
8829 df_ref_create_structure): Formatting changes.
8830 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
8831 df_delete_basic_block): New function.
8832 (df_init): Changed location of flags.
8833 (df_add_problem): Added flags parameter and the way flags are
8835 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
8836 debug_df_chain): Improved debugging output.
8837 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
8838 (df_refs_chain_dump): Removed df parameter.
8839 (df_iterative_dataflow): Added consistency check.
8840 (df_prune_to_subcfg): Made public.
8841 (df_analyze_problem): Added blocks_to_init parameter and made
8843 (df_ref_record, df_bb_refs_record, df_mark_reg,
8844 df_record_exit_block_uses): Whitespace changes.
8845 (df_dump): Whitespace changes.
8846 * df.h: Some reordering to remove forward references.
8847 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
8848 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
8849 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
8850 (dataflow.flags): New field.
8851 (df.flag): Deleted field.
8852 (df_alloc_function): Added additional bitmap parameter.
8853 (df_dependent_problem_function): New type.
8854 (df_problem.changeable_flags): New field.
8855 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
8856 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
8857 (df_mw_hardreg): New struct.
8858 (DF_INSN_UID_MWS): New macro.
8859 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
8861 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
8862 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
8863 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
8864 (df_set_state): Removed function.
8865 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
8866 * df-problems.c (df_chain_dump): Removed df parameter.
8867 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
8868 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
8870 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
8871 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
8872 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
8873 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
8874 DF_REF_MUST_CLOBBER cases.
8875 (df_ru_bb_local_compute_process_def,
8876 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
8877 df_lr_bb_local_compute, df_ur_bb_local_compute,
8878 df_chain_create_bb): Made subreg aware.
8879 (df_ru_bb_local_compute, df_rd_bb_local_compute,
8880 df_lr_bb_local_compute, df_lr_bb_local_compute,
8881 df_chain_create_bb): Cleanup to use proper macros.
8882 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
8883 code to fixup bitvectors.
8884 (df_ri_alloc): Cleared lifetime.
8885 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
8886 df_create_unused_note): New function.
8887 (df_ri_bb_compute, df_ri_compute): Added code to create/update
8888 REG_DEAD and REG_UNUSED notes as well as register information.
8889 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
8890 df_chains_dump): Fixed crash if problem was never run.
8891 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
8892 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
8893 df_ri_add_problem): Processes flags in uniform manner.
8894 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
8895 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
8896 df_rd_dump, df_urec_free_bb_info): Formatting changes.
8897 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
8898 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
8899 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
8900 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
8901 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
8902 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
8903 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
8904 * see.c (see_initialize_data): Ditto.
8905 * final.c (rest_of_clean_state) Added regstack_completed.
8906 * rtl.h (regstack_completed): Ditto.
8907 * reg-stack.c (regstack_completed): Ditto.
8909 2006-05-19 Mike Stump <mrs@apple.com>
8911 * c-tree.h (default_conversion): Remove.
8912 * c-common.h (default_conversion): Add.
8914 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
8916 * tree-vrp.c (valid_value_p): New function.
8917 (adjust_range_with_scev): Fail if the value of bound is not
8920 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8922 * config/mips/linux-unwind.h: Include <asm/unistd.h>
8923 (mips_fallback_frame_state): Use syscall numbers to determine
8924 the appropriate li instruction for the current ABI. Only use
8925 __NR_sigreturn for o32.
8927 2006-05-19 Nicolas Setton <setton@adacore.com>
8929 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
8930 * langhooks.c (lhd_dwarf_name): New function.
8931 * langhooks-def.h (lhd_dwarf_name): Declare.
8932 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
8933 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
8935 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8937 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
8939 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
8940 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
8941 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
8942 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
8943 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
8944 determine the size of Wtype, etc.
8945 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
8946 (swfloatfuncs): New variable.
8947 (dwfloatfuncs): Likewise.
8948 (lib2funcs): Remove floating-point conversion functions from
8949 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
8950 the set of conversion routines needed. Allow entries to specify
8951 an object name, filename and word size. Update users accordingly.
8952 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
8953 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
8957 2006-02-08 Roger Sayle <roger@eyesopen.com>
8960 * config/fixtfdi.c: New libgcc source file.
8961 * config/fixunstfdi.c: New source file.
8962 * config/floatditf.c: New source file.
8963 * config/floatunditf.c: New souce file.
8964 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8965 files above instead of config/mips/_tilib.c.
8966 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8968 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8970 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
8971 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
8973 2006-05-18 Mike Stump <mrs@apple.com>
8975 Fix up vla, vm and [*] sematics.
8981 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
8982 (c_vla_unspec_p): Add.
8983 (c_vla_type_p): Add.
8984 * c-decl.c (struct c_scope): Add had_vla_unspec.
8985 (build_array_declarator): Add support for [*].
8986 (grokdeclarator): Likewise.
8987 (grokparms): Likewise.
8988 (get_parm_info): Likewise.
8989 * c-objc-common.c (c_vla_unspec_p): Likewise.
8990 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
8991 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
8992 typeof when argument is a variably modified type not inside sizeof or alignof.
8993 (c_parser_direct_declarator_inner): Propagate errors.
8994 (c_parser_sizeof_expression): Add support for [*].
8995 (c_parser_parms_declarator): Initialize had_vla_unspec.
8996 (c_parser_parms_list_declarator): Likewise.
8997 * c-typeck.c (c_vla_type_p): Add.
8998 (composite_type): Add support for vla compositing.
8999 (comptypes_internal): Add support for vla compatibility.
9000 (c_expr_sizeof_expr): Evaluate vla arguments.
9001 * tree.c (variably_modified_type_p): Update comment for [*].
9003 2006-05-18 Michael Matz <matz@suse.de>
9006 * config.host: Make assignments to host_xmake_file cumulative.
9007 * config.host (*-darwin*): Test $host, not $target.
9009 2006-05-12 Stuart Hastings <stuart@apple.com>
9011 * config/i386/i386.opt (-mstackrealign): New flag.
9012 * config/i386/i386.c (force_align_arg_pointer): New attribute.
9013 (ix86_handle_cconv_attribute): Emit error when
9014 force_align_arg_pointer attribute collides with too many regparms.
9015 (ix86_function_regparm): Limit regparms when used with
9016 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
9017 Support stack-realigning prologue in non-main functions. Emit
9018 warning for nested functions under -mstackrealign, emit error for
9019 nested functions with force_align_arg_pointer attribute.
9020 * doc/extend.texi (force_align_arg_pointer): Document it.
9021 * doc/invoke.texi (-mstackrealign): Document it.
9023 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
9025 PR rtl-optimization/27477
9026 * combine.c (try_combine): Don't split a parallel consisting
9027 of two sets into two individual sets if both sets reference
9030 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
9032 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
9033 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
9035 * doc/options.texi (VarExists): Updated.
9037 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9039 * unwind-dw2.c: Add declarations for uw_update_context and
9041 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
9042 detected, advance frame state and context once to skip over stub.
9044 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9048 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
9049 Call rewrite_into_loop_closed_ssa only when something changed.
9050 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
9051 * lambda-code.c (can_convert_to_perfect_nest): Declared.
9052 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
9053 Test for perfect_nest_p here. Fix formating.
9054 (replace_uses_equiv_to_x_with_y): Fix formating.
9055 (stmt_uses_op): Removed.
9056 (can_convert_to_perfect_nest): Removed loopivs parameter.
9057 Complete the test by checking the scalar dependences.
9058 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
9061 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9064 From Dan Kegel <dank@kegel.com>:
9065 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
9067 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
9069 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
9070 if the element type is variably modified without recursing.
9072 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9075 * tree-loop-linear.c (try_interchange_loops): Test for
9076 no data dependences.
9078 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
9080 PR tree-optimization/27548
9081 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
9082 range of ssa names that appear on abnormal edges.
9083 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
9084 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
9086 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9089 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
9091 2006-05-17 Jakub Jelinek <jakub@redhat.com>
9094 * tree.h (OMP_PARALLEL_COMBINED): Define.
9095 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
9096 (new_omp_context): Add is_combined_parallel argument.
9097 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
9098 new_omp_context caller.
9099 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
9100 Adjust gimplify_scan_omp_clauses callers.
9101 (omp_is_private): Issue errors if iteration variable is firstprivate
9102 or reduction in the current context.
9103 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
9104 on combined parallel workshare constructs.
9106 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9108 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
9109 (gcc-options.o): New rule.
9111 * optc-gen.awk: Protect variables for gcc-options.o with
9112 #ifdef GCC_DRIVER/#endif.
9114 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
9116 Fix PR tree-optimization/27373
9117 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
9118 (forward_propagate_addr_expr): Update call.
9120 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9122 * doc/options.texi: Move the Negative option.
9124 2006-05-16 Richard Guenther <rguenther@suse.de>
9126 PR tree-optimization/22303
9127 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
9129 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
9130 ccp_fold did not simplify the statement.
9132 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9135 * Makefile.in (GCC_OBJS): New.
9136 (OBJS-common): Add opts-common.o.
9137 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
9138 (cpp$(exeext)): Likewise.
9139 (gcc.o): Also depend on opts.h.
9140 (opts-common.o): New.
9142 * common.opt (gcoff): Add Negative(gdwarf-2).
9143 (gdwarf-2): Add Negative(gstabs).
9144 (gstabs): Add Negative(gstabs+).
9145 (gstabs+): Add Negative(gvms).
9146 (gvms): Add Negative(gxcoff).
9147 (gxcoff): Add Negative(gxcoff+).
9148 (gxcoff+): Add Negative(gcoff).
9149 * config/i386/i386.opt (m32): Add Negative(m64).
9150 (m64): Add Negative(m32).
9152 * doc/options.texi: Document the Negative option.
9154 * gcc.c: Include "opts.h".
9155 (main): Call prune_options after expandargv.
9157 * optc-gen.awk: Generate common declarations for all flag
9158 variables in options.c. Output the neg_index field.
9160 * opts.c (find_opt): Moved to ...
9161 * opts-common.c: Here. New file.
9163 * opts.h (cl_option): Add a neg_index field.
9165 (prune_options): Likewise.
9167 2006-05-16 Jakub Jelinek <jakub@redhat.com>
9170 * omp-low.c (expand_omp_parallel): Don't assert
9171 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
9172 instead search for it.
9175 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
9178 2006-05-16 Andreas Schwab <schwab@suse.de>
9180 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
9183 2006-05-15 Roger Sayle <roger@eyesopen.com>
9186 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
9187 integer constants other than zero are only legitimate on TARGET_64BIT.
9188 <CONST_VECTOR> Only zero vectors are legitimate.
9189 (ix86_cannot_force_const_mem): Integral and vector constants can
9190 always be put in the constant pool.
9192 2006-05-16 DJ Delorie <dj@redhat.com>
9194 * crtstuff.c (__dso_handle): Set section from
9195 TARGET_LBIGCC_SDATA_SECTION if defined.
9196 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
9197 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
9199 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
9202 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
9205 2006-05-16 Ben Elliston <bje@au.ibm.com>
9207 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
9209 2006-05-15 Per Bothner <per@bothner.com>
9211 * tree.c: (last_annotated_node): Use source_locus typedef.
9212 This permits bootstrapping with --enable-mapped-location.
9214 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
9216 PR tree-optimization/26830
9217 * tree-into-ssa.c (struct ssa_name_info): Add age field.
9218 (info_for_ssa_name, current_info_for_ssa_name_age,
9219 blocks_to_update): New variables.
9220 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
9221 (clear_ssa_name_info, initialize_flags_in_bb,
9222 mark_block_for_update): New functions.
9223 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
9224 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
9225 prepare_def_site_for): Use mark_block_for_update.
9226 (mark_def_interesting): Assert that the processed block is marked in
9227 blocks_to_update. Do not take blocks argument.
9228 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
9230 (rewrite_update_init_block, rewrite_update_stmt): Only process
9231 blocks with statements to rewrite.
9232 (delete_update_ssa): Do not clear SSA_NAME_AUX.
9233 (update_ssa): Initialize and free blocks_to_update. Do not
9234 clear flags on statements. Do not use blocks bitmap.
9235 * tree.h (SSA_NAME_AUX): Removed.
9236 (struct tree_ssa_name): Removed aux field.
9237 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
9239 2006-05-15 Richard Guenther <rguenther@suse.de>
9241 PR tree-optimization/27603
9242 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
9243 Do computations in original type.
9245 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
9247 * see.c: Code style changes such as redundant paranthesis,
9248 redundant intialization of local variables etc.
9249 (see_main): Declared now as static.
9250 * doc/invoke.texi: Update that -fsee is not enabled by
9253 2006-05-15 Jakub Jelinek <jakub@redhat.com>
9255 * omp-low.c (check_omp_nesting_restrictions): New function.
9256 (scan_omp_1): Call it.
9259 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
9260 construct, return *VAR.
9262 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
9264 PR rtl-optimization/27406
9265 * bt-load.c (migrate_btr_def): Skip the block having abnormal
9268 2006-05-14 Roger Sayle <roger@eyesopen.com>
9270 PR rtl-optimization/27538
9271 * combine.c (expand_compound_operation): Call gen_lowpart
9272 before calling simplify_shift_const.
9274 2006-05-14 Roger Sayle <roger@eyesopen.com>
9276 PR rtl-optimization/22563
9277 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
9278 a fixed width bitfield, always force the intermediates into psuedos.
9280 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
9283 * mkconfig.sh: Use operator = instead of == for test.
9285 2006-05-13 Nick Clifton <nickc@redhat.com>
9287 * dwarf2out.c (dbx_reg_number): Check return value from
9288 LEAF_REG_REMAP and only use it if it is valid.
9289 (multiple_reg_loc_descriptor): Likewise.
9291 2006-05-13 Richard Guenther <rguenther@suse.de>
9293 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
9296 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
9298 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
9299 information attached to non-INSNs such as NOTEs.
9300 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
9302 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
9304 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
9306 * config/s390/s390.md: Adjust comment describing On constraint.
9308 2006-05-11 Jan Hubicka <jh@suse.cz>
9310 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
9311 to be output at -O0.
9313 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9316 * fold-const.c (size_binop): Move sanity check for arguments to
9317 the beginning of the function.
9320 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
9323 2006-05-11 Richard Guenther <rguenther@suse.de>
9326 * fold-const.c (fold_unary): Handle intermediate conversion
9327 to a pointer type like intermediate conversion to an integer
9328 type in folding of (T1)(T2)var to var.
9329 Match the code to the comment in the final conversion for
9330 (T1)(T2)var to (T1)var regarding to type precision. Rather
9331 than disallow T1 being of pointer type, assert that both T1
9332 and var are of pointer type or not. Make sure not to fall
9333 over the frontends lazyness wrt array to pointer decay though.
9335 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
9337 * arm.c (arm_struct_value_rtx): Delete.
9338 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
9339 (arm_init_cumulative_args): Always initialize nregs to zero.
9341 2006-05-10 Richard Guenther <rguenther@suse.de>
9343 PR tree-optimization/27532
9344 * tree-object-size.c (plus_expr_object_size): Fix typo.
9346 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
9349 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
9350 ashrdi_const, ashrdi3): Use a scratch register.
9352 2006-05-10 Richard Guenther <rguenther@suse.de>
9354 PR tree-optimization/27302
9355 * fold-const.c (operand_equal_p): For two comparisons,
9356 try comparison of one comparison code swapped if that yields
9359 2006-05-10 Ben Elliston <bje@au.ibm.com>
9361 * tree-pretty-print.c (pretty_print_string): No need to handle
9362 '\0' as a special character.
9364 * tree.h: Include "hashtab.h".
9365 (iterative_hash_expr): Use hashval_t in its prototype.
9366 * Makefile.in (TREE_H): Add $(HASHTAB_H).
9368 2006-05-09 Steve Ellcey <sje@cup.hp.com>
9371 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
9372 (hppa*64*-*-hpux11*): Ditto.
9373 (hppa[12]*-*-hpux11*): Ditto.
9375 2006-05-09 David Edelsohn <edelsohn@gnu.org>
9378 * config/rs6000/aix41.h (TARGET_64BIT): Define.
9380 2006-05-09 Michael Matz <matz@suse.de>
9382 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
9383 host_extra_gcc_objs and host_xmake_file.
9384 (<*-*-linux*>): Don't overwrite host_xmake_file.
9385 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
9386 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
9387 (host_detect_local_cpu): Declare.
9388 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
9389 * config/i386/i386.c (override_options): Handle -mtune=native
9391 * config/i386/x-i386: New file.
9392 * config/i386/driver-i386.c: New file.
9393 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
9396 2006-05-09 Dirk Mueller <dmueller@suse.de>
9397 Richard Guenther <rguenther@suse.de>
9400 * fold-const.c (fold_read_from_constant_string): Relax check
9401 for matching types to matching modes.
9403 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
9405 PR rtl-optimization/27335
9406 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
9409 2006-05-08 Chao-ying Fu <fu@mips.com>
9410 Richard Sandiford <richard@codesourcery.com>
9412 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
9413 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
9414 * config/mips/mips.md (UNSPEC_SCC): New constant.
9415 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
9416 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
9417 (mips_emit_compare): Use it.
9418 (mips_expand_vcondv2sf): New function.
9420 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
9422 Fix PR tree-optimization/27093
9423 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
9424 renaming when they become not-used_alone.
9426 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9428 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
9429 relocation and relocation stubs.
9431 2006-05-08 Eric Christopher <echristo@apple.com>
9433 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
9436 2006-05-08 Jan Hubicka <jh@suse.cz>
9439 * cgraphunit.c (decide_is_function_needed): When not optimizing even
9440 unused static functions are needed.
9442 2006-05-08 Roger Sayle <roger@eyesopen.com>
9445 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9446 of a reg_equiv_constant if the result is a legitimate constant.
9448 2006-05-08 Uros Bizjak <uros@kss-loka.si>
9451 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
9452 standard 80387 constants, raise the cost to prevent
9453 compress_float_constant() to generate load from memory.
9455 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
9457 * config/arm/constraints.md (c): Fix a typo.
9459 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
9462 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
9465 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
9467 (_mm_mwait): Likewise.
9469 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
9471 (sse3_monitor): Make it 32bit only.
9472 (sse3_monitor64): New. 64bit monitor.
9474 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9477 * config/i386/i386.c (classify_argument): Skip fields with invalid
9480 2006-05-07 Richard Guenther <rguenther@suse.de>
9482 PR tree-optimization/27409
9483 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9484 Do not try to find zero-sized subvars.
9486 2006-05-07 Richard Guenther <rguenther@suse.de>
9488 PR tree-optimization/27136
9489 * tree-ssa-loop-niter.c (get_val_for): Correct function
9490 comment, assert requirements.
9491 (loop_niter_by_eval): Stop processing if the iterated
9492 value did not simplify.
9494 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
9496 * opts.c (flag_see): remove its setting at -O3.
9498 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
9500 * genpeep.c (main): Make insn-peep.c depend on flags.h.
9501 * arm/constraints.md: New file.
9502 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
9503 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
9504 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
9505 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
9506 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
9507 (EXTRA_MEMORY_CONSTRAINT): Likewise.
9508 * arm.md: Include constraints.md.
9509 (thumb_movsi_insn): Use satisfies_constraint_J.
9510 (movhi, movqi): Use satisfies_constraint_I.
9512 2006-04-29 Anatoly Sokolov <aesok@post.ru>
9514 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
9515 for atmeg a645 device.
9517 2006-05-06 Richard Guenther <rguenther@suse.de>
9519 PR tree-optimization/27151
9520 * tree-vect-transform.c (vectorizable_condition): Punt on
9521 values that have a different type than the condition.
9523 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
9526 * c-parser.c (c_parser_cast_expression): Only insert casts into
9527 hash table if pointer.
9528 * function.c (used_types_insert_helper): Rename from
9530 (used_types_insert): Call used_types_insert_helper.
9531 * function.h (used_types_insert): Accept only one argument.
9533 2006-05-05 David Edelsohn <edesohn@gnu.org>
9535 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
9536 scratch with output modifier.
9538 2006-05-04 David Edelsohn <edelsohn@gnu.org>
9541 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
9542 with output modifier.
9544 2006-05-04 Richard Sandiford <richard@codesourcery.com>
9547 * config/mips/mips.c (mips_symbolic_address_p): Return true
9548 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
9549 SYMBOL_GOTTPREL, and SYMBOL_TLS.
9551 2006-05-04 Richard Guenther <rguenther@suse.de>
9553 PR tree-optimization/14287
9554 PR tree-optimization/14844
9555 PR tree-optimization/19792
9556 PR tree-optimization/21608
9557 PR tree-optimization/27090
9558 * tree-ssa-pre.c (try_combine_conversion): New function.
9559 (compute_avail): After constructing the value-handle
9560 expression, use try_combine_conversion to combine NOP_EXPRs
9561 with previous value-handle expressions and use the result if it
9564 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
9566 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
9568 2006-05-04 Jan Hubicka <jh@suse.cz>
9571 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
9573 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
9575 * config/bfin/predicates.md (const01_rtx): Tell generator programs
9576 that this only matches CONST_INTs. All users changed to VOIDmode
9579 * config/bfin/bfin.c: Include "optabs.h".
9580 (bfin_rtx_costs): Some costs for vector operations, to allow combine
9582 (enum bfin_builtins): Add a number of fractional and vector builtins.
9583 (bfin_init_builtins): Likewise.
9584 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
9585 (safe_vector_operand, bfin_expand_binop_builtin,
9586 bfin_expand_unop_builtin): New functions.
9587 (bfin_expand_builtin): Handle the new builtins.
9588 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9591 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
9594 * Makefile.in (OBJS-common): Add see.o.
9595 (see.o): Add dependencies.
9596 * common.opt (fsee): New flag for the see optimization was added.
9597 * opts.c (flag_see): Initialized.
9598 * passes.c (init_optimization_passes, pass_see): New pass.
9599 * rtl.h (see_main): Declaration as extern.
9600 * timevar.def (TV_SEE): New.
9601 * tree-pass.h (pass_see): Declaration as extern.
9602 * invoke.texi (-fsee): Document.
9603 * recog.c (validate_simplify_insn): New function.
9604 * recog.h (validate_simplify_insn): Declaration as extern.
9605 * df-problems.c (df_chain_dump): Check for NULL.
9607 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
9608 Daniel Berlin <dberlin@dberlin.org>
9610 * cfgrtl.c (insert_insn_bb_end_new): New function.
9611 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
9613 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9615 * df.h (struct web_entry): Moved from web.c.
9616 (union_defs): Declaration as extern.
9617 (unionfind_root): Likewise.
9618 (unionfind_union): Likewise.
9619 * web.c (struct web_entry): Moved to df.h.
9620 (unionfind_root): Remove static declaration.
9621 (unionfind_union): Likewise.
9622 (union_defs): Likewise and generalize to use callback function.
9623 (web_main): Update arguments for union_defs function call.
9625 2006-05-04 Richard Guenther <rguenther@suse.de>
9627 PR tree-optimization/26447
9628 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
9629 produce SSA_NAME copies before the store stmt to avoid
9630 breaking exception handling.
9632 2006-05-04 Jakub Jelinek <jakub@redhat.com>
9635 * gimplify.c (omp_is_private): If var is shared in some outer context,
9636 return false instead of true. Stop searching on parallel context
9639 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
9642 * coverage.c: Use get_gcov_unsigned_t() instead of
9643 unsigned_type_node all over.
9645 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
9647 PR tree-optimization/27381
9648 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
9649 maintain the same immediate_use links.
9650 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
9651 node rather than segfaulting.
9653 2006-05-03 Jakub Jelinek <jakub@redhat.com>
9656 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
9657 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
9658 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
9660 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
9662 Fix PR tree-optimization/26626
9663 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
9665 * tree-ssa-operands.c (access_can_touch_variable): Allow
9666 typecasting through union pointers.
9668 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9671 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
9672 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
9673 to find if var will be a global variable even in the nested context.
9674 (omp_copy_decl): Only check for global variable at the end, it might
9675 be overridden in outer contexts.
9676 (scan_sharing_clauses): For global variables don't create a field.
9677 (lower_rec_input_clauses): Do nothing for global shared variables.
9678 Emit a barrier at the end of ILIST if there were any decls in both
9679 firstprivate and lastprivate clauses.
9680 (lower_send_clauses): Do nothing for global variables except for
9683 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
9685 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
9686 of the correct signedness is returned.
9688 2006-05-02 Jeff Law <law@redhat.com>
9690 PR tree-optimization/27364
9691 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
9692 multiply expressions.
9694 2006-05-02 Tom Tromey <tromey@redhat.com>
9696 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
9698 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
9701 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
9702 -mthumb -fPIC are used.
9704 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
9705 Joshua Kinard <kumba@gentoo.org>
9708 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
9709 with 64-bit pointers.
9711 2006-05-02 Paul Brook <paul@codesourcery.com>
9713 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
9715 (create_fix_barrier): Check that a suitable barrier location is
9717 (arm_reorg): Include ftmp->address in allowable range of addresses.
9719 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
9722 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
9725 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9728 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
9729 around RESULT_DECL for result passed by reference.
9730 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
9731 * omp-low.c (use_pointer_for_field): Don't look at
9732 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
9733 (scan_omp_1): Call remap_decl on RESULT_DECLs.
9734 (lower_rec_input_clauses): Don't allocate VLA memory for the second
9735 time or var for passing by reference for
9736 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
9737 TREE_ADDRESSABLE variables when passing by reference.
9739 * omp-low.c (dump_omp_region): Fix output formatting.
9742 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
9743 (expand_omp_parallel): Likewise.
9744 * tree-cfg.c (move_sese_region_to_fn): Likewise.
9747 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
9748 on statement list containing also constructors and destructors.
9749 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
9752 * except.c (duplicate_eh_regions): Fix clearing of
9753 cfun->eh->region_array entries.
9755 2006-05-01 DJ Delorie <dj@redhat.com>
9757 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
9759 (gcc_cv_objdump): Likewise.
9760 * configure: Regenerated.
9762 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
9765 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
9766 templates for case 3 and 4.
9768 2006-05-01 DJ Delorie <dj@redhat.com>
9770 * vec.c: Include bconfig.h when appropriate.
9771 * Makefile.in (build/vec.o): Adjust dependencies.
9772 * mkconfig.sh: Make sure config.h isn't used for build machine
9775 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9777 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
9779 (mark_phi_for_rewrite): New function.
9780 (insert_phi_nodes_for, mark_use_interesting): Call
9781 mark_phi_for_rewrite.
9782 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
9783 (update_ssa): Initialize and free phis_to_rewrite.
9785 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9787 PR rtl-optimization/27291
9788 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
9789 folded to a constant.
9791 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9793 PR tree-optimization/27283
9794 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
9795 not whole # of iteration descriptions.
9796 (niter_for_exit): Return just # of iterations. Fail if # of iterations
9797 uses abnormal ssa name.
9798 (niter_for_single_dom_exit): Ditto.
9799 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
9800 return just the number of iterations.
9802 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9804 PR tree-optimization/27144
9805 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
9806 (record_estimate): Only record constant upper bound.
9807 (infer_loop_bounds_from_undefined): Call
9808 compute_estimated_nb_iterations just once.
9809 (proved_non_wrapping_p): Renamed to ...
9810 (n_of_executions_at_most): ... this. Expect bound to be a constant.
9811 (convert_step_widening, scev_probably_wraps_p): Call
9812 n_of_executions_at_most instead of proved_non_wrapping_p.
9813 (substitute_in_loop_info): Do not replace values in bounds.
9814 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
9817 2006-05-01 Richard Henderson <rth@redhat.com>
9820 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
9821 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
9824 2006-05-01 Roger Sayle <roger@eyesopen.com>
9826 * c-typeck.c (parser_build_binary_op): Don't call the function
9827 unsigned_conversion_warning to spot operand/result type overflow.
9828 (build_binary_op): Instead, call convert_and_check instead of
9829 convert to report the problem when the operands are promoted.
9830 * c-common.c (unsigned_conversion_warning): Make static.
9831 * c-common.h (unsigned_conversion_warning): Delete prototype.
9833 2006-05-01 Richard Guenther <rguenther@suse.de>
9835 PR tree-optimization/26726
9836 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
9838 (find_interesting_uses_address): ... we work around here
9839 by folding INDIRECT_REFs in the substituted base.
9841 2006-05-01 Diego Novillo <dnovillo@redhat.com>
9843 * omp-low.c (dump_omp_region): Add newlines.
9845 2006-04-30 Roger Sayle <roger@eyesopen.com>
9847 * common.opt (Woverflow): New command line option.
9848 * c-common.c (constant_expression_warning): Check warn_overflow.
9849 (overflow_waring): Pass OPT_Woverflow to warning.
9850 (unsigned_conversion_warning): Likewise.
9851 (convert_and_check): Likewise.
9852 * doc/invoke.texi: Document new command line option.
9854 2006-04-30 David Edelsohn <edelsohn@gnu.org>
9856 * config/rs6000/rs6000.c (rs6000_override_options): Enable
9857 TARGET_NO_FP_IN_TOC for section anchors.
9858 (optimization_options): Enable section anchors for all
9859 non-"Objective" languages.
9861 2006-04-28 Eric Christopher <echristo@apple.com>
9863 * config/darwin-c.c (darwin_ms_struct): Move this
9864 (darwin_set_default_type_attributes): and this...
9865 * config/darwin.c: ... here.
9866 * config/darwin.h (darwin_ms_struct): Declare.
9868 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
9870 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
9872 2006-04-28 Roger Sayle <roger@eyesopen.com>
9875 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
9876 (push_array_bounds): Delete prototype. Change BOUNDS argument to
9877 an unsigned HOST_WIDE_INT.
9878 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
9880 (really_start_incremental_init): No need to call convert because
9881 bitsize_zero_node is already of type bitsizetype.
9882 (push_init_level): Extract the value of constructor_index as an
9883 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
9884 (process_init_element): Likewise.
9886 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
9888 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
9889 value before passing to make_relative_prefix.
9891 2006-04-28 Alan Modra <amodra@bigpond.net.au>
9894 * builtins.c (expand_builtin_memset): Expand val in original mode.
9896 2006-04-27 Eric Christopher <echristo@apple.com>
9898 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
9899 with #ifndef/#endif.
9900 * config/darwin-c.c (darwin_ms_struct): New.
9901 (darwin_pragma_ms_struct): Ditto.
9902 (darwin_set_default_type_attributes): Ditto.
9903 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
9904 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
9905 Register ms_struct pragma.
9906 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
9907 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
9908 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
9909 darwin_set_default_type_attributes if TARGET_MACHO.
9911 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
9913 PR tree-optimization/26854
9914 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
9915 * doc/tree-ssa.texi: Update immuse iterator documentation.
9916 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
9917 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
9918 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
9919 first_safe_imm_use, next_safe_imm_use): Remove.
9920 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
9921 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
9922 (move_use_after_head): New. Helper function to sort immuses in a stmt.
9923 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
9924 (first_imm_use_stmt): New. Get first stmt in an immuse list.
9925 (next_imm_use_stmt): New. Get next stmt in an immuse list.
9926 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
9927 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
9928 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
9929 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
9930 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
9931 (perfect_nestify): Use new iterator.
9932 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
9934 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
9935 (next_imm_name): New field in struct immediate_use_iterator_d.
9936 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
9937 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
9938 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
9939 * tree-cfg.c (replace_uses_by): Use new iterator.
9940 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
9941 * tree-ssa-operands.c (correct_use_link): Remove.
9942 (finalize_ssa_use_ops): No longer call correct_use_link.
9944 2006-04-27 Stuart Hastings <stuart@apple.com>
9946 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
9947 * config/t-darwin (crt3.o): Use it.
9948 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
9949 'pmode', use Pmode instead of SImode for SYMBOL_REF.
9950 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
9951 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
9952 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
9955 2006-04-27 Roger Sayle <roger@eyesopen.com>
9957 * expmed.c (store_fixed_bit_field): If we're not optimizing for
9958 size, force the intermediate into a new pseudo rather instead of
9959 performing both a bitwise AND and a bitwise IOR in memory.
9961 2006-04-27 Richard Guenther <rguenther@suse.de>
9963 PR rtl-optimization/26685
9964 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
9965 this one "max-flow-memory-locations".
9967 2006-04-27 Richard Guenther <rguenther@suse.de>
9969 PR tree-optimization/25148
9970 * tree-vrp.c (compare_values): Remove code dealing with
9971 comparisons against type min/max value. Honour overflow
9972 and negative constants in code dealing with comparisons
9973 of plus and minus expressions.
9974 (value_inside_range): Use fold_binary with LE_EXPR and
9975 GE_EXPR rather than compare_values.
9977 2006-04-27 Dirk Mueller <dmueller@suse.de>
9979 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
9982 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
9984 * basic-block.h (safe_insert_insn_on_edge): Removed.
9985 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
9987 2006-04-26 David Edelsohn <edelsohn@gnu.org>
9988 Paolo Bonzini <bonzini@gnu.org>
9991 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
9992 (simplify_and_const_int): Same.
9994 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
9996 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
9998 2006-04-26 Jakub Jelinek <jakub@redhat.com>
10001 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
10002 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
10003 cgraph_global_info_ready.
10005 PR middle-end/26913
10006 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
10009 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
10010 either decl or init is error_mark_node.
10012 PR middle-end/25989
10013 * tree-flow.h (struct omp_region): Add sched_kind.
10014 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
10015 instead of extracting omp for data.
10016 (expand_omp_for): Save extracted sched_kind.
10018 2006-04-25 Roger Sayle <roger@eyesopen.com>
10020 * expmed.c (store_bit_field): Also check whether the bitsize is
10021 valid for the machine's "insv" instruction before moving the
10022 target into a pseudo for use with the insv.
10023 * config/i386/predicates.md (const8_operand): New predicate.
10024 * config/i386/i386.md (extv, extzv, insv): Use the new
10025 const8_operand predicate where appropriate.
10027 2006-04-25 DJ Delorie <dj@redhat.com>
10029 * doc/install.texi (Specific): Clarify that this is not a list of
10030 supported hosts or targets.
10032 2006-04-25 Richard Sandiford <richard@codesourcery.com>
10034 PR rtl-optimization/26725
10035 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
10036 block's BB_DIRTY flag.
10038 2006-04-25 Geoffrey Keating <geoffk@apple.com>
10040 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
10043 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
10044 to print an integer.
10046 2006-04-25 David Edelsohn <edelsohn@gnu.org>
10048 * varasm.c (align_variable): New function.
10049 (get_block_for_decl): Apply align_variable to DECL before
10050 calculating section information.
10051 (assemble_variable): Split out alignment computation.
10053 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
10055 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
10058 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
10060 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
10061 MODE_PARTIAL_INT mode.
10062 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
10063 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
10065 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
10066 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
10068 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
10070 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
10072 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
10073 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
10074 MACFLAG_IH): Likewise.
10075 (movstricthi_1): Renamed from "*movstricthi".
10076 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
10077 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
10078 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
10079 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
10080 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
10081 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
10082 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
10083 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
10084 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
10085 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
10086 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
10087 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
10088 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
10089 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
10090 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
10092 * doc/rtl.texi (ss_ashift): Improve wording.
10094 2006-04-24 Geoffrey Keating <geoffk@apple.com>
10096 * dwarf2out.c (verify_marks_clear): New.
10097 (prune_unused_types): Call verify_marks_clear initially, not
10100 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
10102 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
10103 * doc/rtl.texi: Document them.
10104 * simplify-rtx.c (simplify_unary_operation,
10105 simplify_binary_operation_1): Don't abort when we see them.
10107 2006-04-24 Mark Mitchell <mark@codesourcery.com>
10110 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10111 * configure.ac: Completely disregard languages that are not
10113 * configure: Regenerated.
10115 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10116 Richard Guenther <rguenther@suse.de>
10118 PR tree-optimization/27236
10119 * tree-inline.c (copy_body_r): Make sure to copy
10120 TREE_THIS_VOLATILE flag.
10122 2006-04-24 Richard Guenther <rguenther@suse.de>
10124 PR middle-end/26869
10125 * tree-complex.c (update_parameter_components): Don't handle
10126 unused parameters which have no default def.
10128 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10129 Richard Guenther <rguenther@suse.de>
10131 PR tree-optimization/27218
10132 * tree-inline.c (expand_call_inline): Strip useless type
10133 conversions for the return slot address.
10135 2006-04-24 Richard Guenther <rguenther@suse.de>
10137 * cfgloop.h (struct loops): Remove unused field array. Reorder
10139 (LOOP_PREFETCH): Remove.
10141 2006-04-24 Richard Guenther <rguenther@suse.de>
10143 PR tree-optimization/22525
10144 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
10145 variable, adjust types of generated expressions.
10147 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
10149 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
10150 (tree-vect-patterns.o): Likewise.
10151 (jump.o): Likewise.
10152 (cselib.o): Likewise.
10153 (loop-doloop.o): Likewise.
10154 (regclass.o): Likewise.
10155 (reload1.o): Likewise.
10156 (explow.o): Replace target.h with $(TARGET_H).
10157 (ipa-prop.o): Likewise.
10158 (ipa-cp.o): Likewise.
10159 (ipa-inline.o): Likewise.
10160 (reorg.o): Likewise.
10161 (reg-stack.o): Likewise.
10163 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10165 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
10167 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10169 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
10171 * configure.ac: Completely disregard languages that are not
10173 * configure: Regenerated.
10176 * c-common.h (c_build_bitfield_integer_type): Declare.
10177 * c-decl.c (c_build_bitfield_integer_type): Move to ...
10178 * c-common.c (c_build_bitfield_integer_type): ... here.
10180 2006-04-23 Roger Sayle <roger@eyesopen.com>
10183 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
10184 a SImode SUBREG of a floating point register after no_new_pseudos.
10186 2006-04-23 Roger Sayle <roger@eyesopen.com>
10188 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
10189 identify potentially eliminable registers to additionally catch
10190 VIRTUAL_INCOMING_ARGS_REGNUM.
10191 (addsi3): Update the conditions on when to use addsi_small_int.
10193 2006-04-23 Roger Sayle <roger@eyesopen.com>
10196 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
10197 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
10198 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
10200 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10202 * fold-const.c (range_predecessor): Use operand_equal_p
10203 as the predicate for equality.
10204 (range_successor): Likewise.
10206 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10209 * config/soft-fp/op-common.h: Fix a typo.
10211 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
10213 PR libmudflap/26864
10214 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
10215 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
10217 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10219 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
10221 * doc/tm.texi: Fix a typo.
10223 2006-04-21 Geoffrey Keating <geoffk@apple.com>
10225 * dwarf2out.c (struct die_struct): Document that die_sib makes
10226 a circular linked list.
10227 (FOR_EACH_CHILD): New.
10228 (reverse_die_lists): Delete.
10229 (reverse_all_dies): Delete.
10230 (add_dwarf_attr): Correct documentation.
10231 (remove_child_with_prev): New.
10232 (remove_child_TAG): Update for change to die_struct, use
10233 remove_child_with_prev.
10234 (add_child_die): Update for change to die_struct.
10235 (splice_child_die): Use remove_child_with_prev and add_child_die.
10236 (print_die): Use FOR_EACH_CHILD.
10237 (die_checksum): Likewise.
10238 (assign_symbol_names): Likewise.
10239 (output_location_lists): Likewise.
10240 (build_abbrev_table): Likewise.
10241 (calc_die_sizes): Likewise.
10242 (mark_dies): Likewise.
10243 (unmark_dies): Likewise.
10244 (unmark_all_dies): Likewise.
10245 (output_die): Likewise.
10246 (prune_unused_types_mark): Likewise.
10247 (prune_unused_types_walk): Likewise.
10248 (same_die_p): Update for change to die_struct.
10249 (break_out_includes): Likewise.
10250 (prune_unused_types_prune): Likewise.
10251 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
10252 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
10253 it's already clear.
10254 (dwarf2out_finish): Don't call reverse_all_dies.
10256 2006-04-21 Eric Christopher <echristo@apple.com>
10258 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
10259 in comments and function names.
10261 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10264 * c-typeck.c (digest_init): Robustify.
10266 * c-typeck.c (pop_init_level): Simplify.
10268 2006-04-21 Steve Ellcey <sje@cup.hp.com>
10270 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
10272 2006-04-21 Paul Brook <paul@codesourcery.com>
10274 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
10275 hardware floating point.
10277 2006-04-21 David Edelsohn <edelsohn@gnu.org>
10279 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
10282 2006-04-21 Nick Clifton <nickc@redhat.com>
10284 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
10287 2006-04-21 Alan Modra <amodra@bigpond.net.au>
10290 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
10291 C++ lang type in traceback table for Objective-C++.
10293 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
10295 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
10297 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
10299 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10302 * tree-mudflap.c (mudflap_finish_file): Skip function when there
10303 were errors. Remove check for erroneous objects.
10305 2006-04-20 Jeff Law <law@redhat.com>
10307 PR tree-optimization/26854
10308 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
10309 checking for zero or one use.
10310 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
10311 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
10312 * tree-ssa-reassoc.c (negate_value): Similarly.
10313 (reassociate_bb): Similarly.
10315 2006-04-20 Jakub Jelinek <jakub@redhat.com>
10317 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
10318 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
10319 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
10321 2006-04-20 Alan Modra <amodra@bigpond.net.au>
10323 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
10324 fp regs if the last fp arg doesn't fit in regs.
10326 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
10329 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
10330 that the last insn has the REG_INC note.
10332 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
10333 Nathan Sidwell <nathan@codesourcery.com>
10336 * stor-layout.c (update_alignment_for_field): Do not align
10338 (place_union_field): Place union field at the start of the union.
10339 (place_field): Move ERROR_MARK check later, and use the current
10340 allocation position to maintain monotonicity.
10342 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
10344 * dominance.c: Include timevar.h.
10345 (calculate_dominance_info): Use TV_DOMINANCE.
10346 * timevar.def (TV_DOMINANCE): New timevar.
10347 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
10349 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10351 PR rtl-optimization/14261
10352 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
10353 move would be an INSV insn.
10354 (noce_process_if_block): Don't optimize if the destination is a
10355 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
10357 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10359 * config/s390/s390.md: Add comments with the instructions emitted
10360 by an insn pattern if macros are used.
10362 2006-04-19 Alan Modra <amodra@bigpond.net.au>
10364 PR rtl-optimization/26026
10365 * fold-const.c (fold_binary): Optimize div and mod where the divisor
10366 is a known power of two shifted left a variable amount.
10368 2006-04-18 Geoffrey Keating <geoffk@apple.com>
10370 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
10371 to hash table twice when the debug_str section has SECTION_MERGE.
10373 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
10375 * config/soft-fp: New directory. From glibc.
10376 * config/soft-fp/t-softfp: New.
10377 * config/soft-fp/README: New.
10378 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
10379 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
10380 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
10381 (LIBGCC_DEPS): Add $(SFP_MACHINE).
10382 * config.gcc: Use rs6000/t-fprules-fpbit or
10383 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
10385 * config/rs6000/sfp-machine.h: New. Based on glibc.
10386 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
10388 * config/rs6000/t-fprules: Remove fp-bit rules.
10389 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
10390 * config/rs6000/t-linux64: Likewise. Remove duplicates from
10391 LIB2FUNCS_EXTRA. Remove fp-bit rules.
10392 (softfp_wrap_start, softfp_wrap_end): New.
10394 2006-04-18 DJ Delorie <dj@redhat.com>
10396 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
10398 2006-04-18 Devang Patel <dpatel@apple.com>
10400 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
10402 2006-04-18 Nick Clifton <nickc@redhat.com>
10404 * config/sh/t-symbian: Add rule to build sh-c.o
10405 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
10406 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
10407 (sh_symbian_encode_section_info): Likewise.
10409 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
10411 * builtins.c (expand_builtin_strcmp): Cover label definition of
10412 do_libcall with HAVE_cmpstrnsi.
10414 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
10416 * function.c (temp_slots_at_level, max_slot_level): Use VEC
10418 * function.h (temp_slot_p): New.
10419 (function): Change the type of x_used_temp_slots to
10420 VEC(temp_slot_p,gc) *.
10422 2006-04-18 Nick Clifton <nickc@redhat.com>
10424 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
10425 flag_strength_reduce.
10427 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
10429 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10433 Partial revert of revision 112637
10434 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10435 Dale Johannesen <dalej@apple.com>
10438 * regclass.c (struct reg_pref): Update documentation.
10439 (regclass): Set prefclass to NO_REGS if memory is the best option.
10440 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10442 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10444 PR tree-optimization/26821
10445 * tree-ssa-math-opts.c (get_constant_one): New.
10446 (insert_reciprocals): Use it.
10448 2006-04-17 Geoffrey Keating <geoffk@apple.com>
10450 * dwarf2out.c (free_AT): Delete.
10451 (remove_AT): Update string ref counts.
10452 (remove_child_TAG): Don't call free_die.
10453 (free_die): Delete.
10454 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
10455 or DW_TAG_GNU_EINCL.
10456 (prune_unused_types_walk_attribs): Reset string refcounts.
10457 (prune_unused_types_update_strings): New.
10458 (prune_unused_types_prune): Don't make unnecessary stores. Don't
10459 call free_die. Do call prune_unused_types_update_strings.
10460 (prune_unused_types): Empty debug_str_hash.
10462 2006-04-17 Roger Sayle <roger@eyesopen.com>
10464 * expr.c (expand_assignment): Optimize away no-op moves where the
10465 source and destination are equal and have no side-effects.
10467 2006-04-17 Richard Guenther <rguenther@suse.de>
10470 * reload.c (push_reload): Guard calls to get_secondary_mem
10471 for memory subregs.
10473 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
10475 * alias.c (reg_base_value, old_reg_base_value): Change the
10476 type to VEC(rtx,gc) *.
10477 (REG_BASE_VALUE, find_base_value, record_set,
10478 init_alias_analysis): Use VEC instead of VARRAY.
10480 * alias.c (alias_sets): Change the type to
10481 VEC(alias_set_entry,gc) *.
10482 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
10483 VEC instead of VARRAY.
10484 (last_alias_set): Remove.
10486 * cgraph.h (cgraph_edge_p): New.
10487 Update the prototype of cgraph_function_versioning.
10488 * cgraphunit.c (cgraph_copy_node_for_versioning,
10489 cgraph_function_versioning): Use VEC instead of VARRAY.
10490 * ipa-cp.c (ipcp_insert_stage): Likewise.
10492 2006-04-16 Roger Sayle <roger@eyesopen.com>
10495 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
10496 "A op B" or "A op C", we may need to convert A to the type of B and C.
10498 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
10500 * target.h (struct gcc_target): Add mode_rep_extended.
10501 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
10502 (init_num_sign_bit_copies_in_rep): Initialize it using
10504 (truncate_to_mode): Use it.
10505 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
10506 * targhooks.h (default_mode_rep_extended): Declare it.
10507 * targhooks.c (default_mode_rep_extended): Define it.
10508 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
10509 default_mode_rep_extended.
10510 (TARGET_INITIALIZER): Include it.
10511 * doc/tm.texi (Misc): Document it.
10512 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
10513 (mips_truncated_to_mode): New function.
10515 2006-04-16 Roger Sayle <roger@eyesopen.com>
10517 PR middle-end/25474
10518 * expr.c (compress_float_constant): Copy the narrow constant into
10519 a new pseudo before extending it to its final width.
10521 2006-04-16 Roger Sayle <roger@eyesopen.com>
10522 Andrew Pinski <pinskia@gcc.gnu.org>
10523 Dale Johannesen <dalej@apple.com>
10526 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
10527 special case code to implement V8HImode and V16QImode with SSE2.
10529 2006-04-15 Roger Sayle <roger@eyesopen.com>
10531 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
10532 trees are constructed with a suitable tree type.
10534 2006-04-15 Roger Sayle <roger@eyesopen.com>
10536 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
10537 (integer_onep): Likewise.
10538 (integer_all_onesp): Likewise.
10539 (integer_pow2p): Likewise.
10540 (integer_nonzerop): Likewise.
10541 (real_zerop): Likewise.
10542 (real_onep): Likewise.
10543 (real_twop): Likewise.
10544 (real_minus_onep): Likewise.
10545 (int_size_in_bytes): Likewise.
10546 (host_integerp): Likewise.
10548 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
10550 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
10551 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
10552 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
10554 * tree-ssa-structalias.h (alias_info): Remove num_references.
10556 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10558 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
10559 (output_bvb patterns): Likewise.
10560 * pa.c (output_bb): Use 'bb' insn for long branch case.
10561 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
10562 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
10563 1. Correct length operand for alternatives 1 and 2.
10564 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
10565 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
10567 2006-04-14 Roger Sayle <roger@eyesopen.com>
10569 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
10570 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
10571 were accidentally reverted by r112959.
10573 2006-04-15 Jakub Jelinek <jakub@redhat.com>
10575 PR middle-end/26823
10576 * except.h (eh_region_outermost): New prototype.
10577 * except.c (eh_region_outermost): New function.
10578 * tree-cfg.c (find_outermost_region_in_block): Use it.
10580 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10582 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
10584 * reload1.c (reg_equiv_memory_loc_varray): Rename to
10585 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
10586 (init_reload, reload): Use VEC instead of VARRAY.
10587 * reload.h: Update the prototype for
10588 reg_equiv_memory_loc_varray.
10590 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
10591 Eric Botcazou <ebotcazou@libertysurf.fr>
10593 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
10594 register save area.
10596 2005-04-13 Uros Bizjak <uros@kss-loka.si>
10598 PR middle-end/27134
10599 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
10600 to expand fallback builtin function call.
10602 2006-04-14 Alan Modra <amodra@bigpond.net.au>
10604 PR middle-end/27095
10605 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
10606 and emit libcall here in case the builtin fails.
10607 (expand_builtin_strcmp): Always emit the libcall here on failure.
10609 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10611 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
10612 * flow.c (reg_n_info): Change the type to
10613 VEC(reg_info_p,heap) *.
10614 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
10616 * regs.h (reg_info_p): New.
10617 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
10618 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
10619 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
10622 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
10624 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
10626 * params.h (MAX_SCHED_READY_INSNS): New macro.
10627 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
10628 past MAX_SCHED_READY_INSNS during the first scheduling pass.
10629 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
10630 the ready list for 1 cycle during the first scheduling pass.
10631 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
10633 2006-04-13 Richard Henderson <rth@redhat.com>
10636 * gimple-low.c (lower_omp_directive): Remove dead code.
10637 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
10638 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
10639 * omp-low.c (struct omp_region): Move to tree-flow.h.
10640 (root_omp_region): Export.
10641 (omp_regions, lookup_omp_region): Remove.
10642 (determine_parallel_type): Update for struct omp_region changes.
10643 (dump_omp_region): Dump regions with block numbers.
10644 (new_omp_region): Take type and block instead of stmt; malloc
10646 (free_omp_region_1, free_omp_regions): New.
10647 (expand_parallel_call): Take entry_stmt as argument; update for
10648 changes to omp_region.
10649 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
10650 (remove_exit_barriers): New.
10651 (expand_omp_parallel): Update for struct omp_region changes.
10652 (expand_omp_synch): Likewise.
10653 (expand_omp): Likewise.
10654 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
10655 (expand_omp_for_static_chunk): Likewise.
10656 (expand_omp_for): Likewise.
10657 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
10658 (expand_omp_sections): Similarly, with GOMP_sections_end.
10659 (expand_omp_single): New.
10660 (build_omp_regions_1): Update for OMP_CONTINUE.
10661 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
10662 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
10663 OMP_SECTIONS_SECTIONS.
10664 (lower_omp_single_simple): Don't emit barrier here.
10665 (lower_omp_single_copy): Likewise.
10666 (lower_omp_single): Fix bindings, and lower to straightline now.
10667 (lower_omp_master, lower_omp_ordered): Likewise.
10668 (lower_omp_critical): Likewise.
10669 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
10670 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
10671 omp edges, free it afterward.
10672 (make_omp_sections_edges): Remove.
10673 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
10674 (move_stmt_r): Handle OMP_CONTINUE.
10675 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
10676 statement pointers to basic blocks. Add type member.
10677 (root_omp_region, new_omp_region, free_omp_regions): Declare.
10678 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
10679 * tree-inline.c (estimate_num_insns_1): Likewise.
10680 * tree-pretty-print.c (dump_generic_node): Likewise.
10681 * tree-ssa-operands.c (get_expr_operands): Likewise.
10682 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
10683 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
10684 (OMP_CONTINUE): New.
10685 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
10686 (OMP_SECTIONS_SECTIONS): Remove.
10687 (OMP_SECTION_LAST): New.
10688 (OMP_RETURN_NOWAIT): New.
10690 2006-04-13 Roger Sayle <roger@eyesopen.com>
10692 * fold-const.c (native_encode_vector, native_interpret_real):
10693 Correct obvious mistakes in the previous check-in.
10695 2006-04-13 Roger Sayle <roger@eyesopen.com>
10697 * fold-const.c (native_encode_expr): New function to encode
10698 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
10699 or VECTOR_CST into a specified buffer.
10700 (native_encode_int): New function.
10701 (native_encode_real): New function.
10702 (native_encode_complex): New function.
10703 (native_encode_vector): New function.
10704 (native_interpret_expr): Inverse of native_encode_expr to convert
10705 a target representation into an INTEGER_CST, REAL_CST etc...
10706 (native_interpret_int): New function.
10707 (native_interpret_real): New function.
10708 (native_interpret_complex): New function.
10709 (native_interpret_vector): New function.
10710 (fold_view_convert_expr): New function to constant fold/evaluate
10711 a VIEW_CONVERT_EXPR of a suitable constant expression.
10712 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
10713 Change call of build1 to fold_build1 when constructing a
10716 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
10717 Ulrich Weigand <uweigand@de.ibm.com>
10720 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
10723 2006-04-13 Alan Modra <amodra@bigpond.net.au>
10726 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
10727 optimize to lo_sum for DFmode if !TARGET_FPRS.
10729 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10731 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
10732 delete_alias_info, compute_flow_sensitive_aliasing,
10733 group_aliases): Use VEC instead of VARRAY.
10734 * tree-ssa-structalias.c (update_alias_info): Likewise.
10735 * tree-ssa-structalias.h (alias_info): Change the type of
10736 processed_ptrs to VEC(tree,heap) *.
10738 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
10741 * config/sh/lib1funcs.h: New file, broken out of:
10742 * config/sh/lib1funcs.asm.
10743 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
10745 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
10746 * config/sh/lib1funcs-Os-4-200.asm: New file.
10747 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
10748 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
10749 (EXTRA_MULTILIB_PARTS): Include it.
10750 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
10751 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
10752 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
10753 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
10756 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10758 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
10759 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
10760 tpa_compact, root_var_init, type_var_init): Use VEC instead of
10762 * tree-ssa-live.h: Include vecprim.h.
10763 (tree_partition_associator_d): Change the type of
10764 first_partition to VEC(int,heap) *.
10765 (tpa_first_partition): Use VEC instead of VARRAY.
10767 * Makefile.in (GTFILES): Move functions.h after tree.h.
10768 * function.c (reset_block_changes, record_block_change,
10769 check_block_change, free_block_changes): Use VEC instead of
10771 * function.h (function): Change the type of
10772 ib_boundaries_block to VEC(tree,gc) *.
10773 * tree-inline.c (copy_cfg_body): Initialize
10774 ib_boundaries_block to NULL instead of (varray_type) 0.
10776 2006-04-12 Roger Sayle <roger@eyesopen.com>
10778 * expr.c (emit_group_store): Correct operand order in call to
10779 subreg_lowpart_offset. Always create paradoxical SUBREGs with
10780 a SUBREG_BYTE of zero.
10782 2006-04-12 Richard Guenther <rguenther@suse.de>
10784 * profile.c (compute_branch_probabilities): Remove code
10785 encapsulated in !ir_type (), which are remanents of the
10786 removed RTL profiling code.
10787 * rtl-profile.c: Remove.
10789 2006-04-12 Alan Modra <amodra@bigpond.net.au>
10791 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
10792 magic NULL_RTX comment.
10793 (function_arg): Store entire fp arg to mem if any part should go
10795 (rs6000_arg_partial_bytes): Adjust for above change.
10797 2006-04-11 Roger Sayle <roger@eyesopen.com>
10799 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
10800 if it hasn't been initialized by dwarf2out_init.
10802 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
10804 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
10805 symbolic constants in branch patterns.
10807 2006-04-11 Roger Sayle <roger@eyesopen.com>
10809 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
10811 2006-04-11 Richard Sandiford <richard@codesourcery.com>
10813 PR rtl-optimization/27073
10814 * gcse.c (try_replace_reg): Revert last change. Continue to search
10815 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
10818 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
10820 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
10821 aggregate types other than record and union types.
10822 (function_arg): Likewise.
10823 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
10825 (function_value): In 64-bit mode, return objects that require it
10828 2006-04-11 Roger Sayle <roger@eyesopen.com>
10830 * dwarf2out.c (premark_used_types): Remove problematic prototype.
10832 2006-04-11 Jakub Jelinek <jakub@redhat.com>
10834 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
10836 2006-04-03 Jeff Law <law@redhat.com>
10839 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
10840 alias information too.
10842 2006-04-10 Mike Frysinger <vapier@gentoo.org>
10844 * Makefile.in (gcc-cross): Add $(exeext) to target name.
10846 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
10849 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
10850 (premark_used_types_helper): New.
10851 (premark_used_types): New.
10852 (gen_subprogram_die): Call premark_used_types.
10853 (prune_unused_types_walk): Do not prune perennial dies.
10854 * function.c (used_types_insert): New.
10855 * function.h (struct function): Add used_types_hash field.
10856 (used_types_insert): Add prototype.
10857 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
10858 * c-parser.c (c_parser_cast_expression): Save casted types in used
10861 2006-04-11 Mark Mitchell <mark@codesourcery.com>
10864 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
10865 rs6000_explicit_options.float_gprs.
10867 2006-04-10 Roger Sayle <roger@eyesopen.com>
10869 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
10870 from ix86_expand_vector_init_low_nonzero. Take an additional
10871 one_var argument indicating which element is non-zero. Support
10872 one_var != 0 for V4SFmode and V4SImode by permuting the result.
10873 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
10874 with one_var instead of ix86_expand_vector_init_low_nonzero.
10876 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
10878 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
10879 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
10880 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
10881 build/genextract.o): Depend on vecprim.h.
10882 * cfglayout.c, df-problems.c, function.c, genextract.c,
10883 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
10884 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
10888 2006-04-10 Geoffrey Keating <geoffk@apple.com>
10890 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
10891 Declare VECs of this type.
10892 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
10893 (remove_children): Delete.
10894 (add_dwarf_attr): Use VEC routines.
10895 (add_AT_flag): Update for changes to add_dwarf_attr.
10896 (add_AT_int): Likewise.
10897 (add_AT_unsigned): Likewise.
10898 (add_AT_long_long): Likewise.
10899 (add_AT_vec): Likewise.
10900 (add_AT_string): Likewise.
10901 (add_AT_die_ref): Likewise.
10902 (add_AT_fde_ref): Likewise.
10903 (add_AT_loc): Likewise.
10904 (add_AT_loc_list): Likewise.
10905 (add_AT_addr): Likewise.
10906 (add_AT_lbl_id): Likewise.
10907 (add_AT_lineptr): Likewise.
10908 (add_AT_macptr): Likewise.
10909 (add_AT_offset): Likewise.
10910 (add_AT_range_list): Likewise.
10911 (get_AT): Use VEC_iterate.
10912 (remove_AT): Use VEC_ordered_remove.
10913 (free_die): Fold remove_children into here; have it use VEC_iterate.
10914 (print_die): Use VEC_iterate on attrs.
10915 (reverse_die_lists): Don't reverse attr lists.
10916 (die_checksum): Use VEC_iterate on attrs.
10917 (same_die_p): Likewise.
10918 (output_location_lists): Likewise.
10919 (build_abbrev_table): Likewise.
10920 (size_of_die): Likewise.
10921 (unmark_all_dies): Likewise.
10922 (output_abbrev_section): Likewise.
10923 (output_die): Likewise.
10924 (prune_unused_types_walk_attribs): Likewise.
10926 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10928 * doc/install.texi (*-*-solaris2*): Point to the configure page.
10930 2006-04-10 Jakub Jelinek <jakub@redhat.com>
10933 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
10935 2006-04-09 Roger Sayle <roger@eyesopen.com>
10937 * expr.c (store_constructor): Don't bother clearing target if
10938 we're about to assign a vector to it using vec_init_optab.
10940 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
10942 * tree-ssa-alias.c (lhs_may_store_to): New function.
10943 (recalculate_used_alone): Handle LHS of calls.
10945 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10949 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
10950 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
10951 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
10952 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
10953 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
10954 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
10955 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
10956 stubs. Add ".align 8" directives before all ".dword" directives.
10957 (GTHREAD_USE_WEAK): Revise comment.
10958 (TARGET_ATTRIBUTE_WEAK): Define.
10959 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
10960 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
10961 * stublib.c: New file.
10966 * pa.md (cbranch patterns): Revise arguments used in calls to
10967 output_cbranch, output_bb and output_bvd. Add long branch length
10969 (fbranch patterns): Handle long branches.
10970 (jump): Revise length check. Revise arguments for output_lbranch call.
10971 Add long branch length attributes.
10972 (decrement_and_branch_until_zero): Add long branch length attributes.
10973 (output_movb, output_parallel_addb and output_parallel_movb patterns):
10974 Likewise. Revise arguments for output_parallel_addb and
10975 output_parallel_movb calls.
10976 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
10977 output_parallel_movb and output_parallel_addb): Update prototypes.
10978 * pa.c (output_cbranch): Revise arguments. Correct handling of
10979 nullification in long branches.
10980 (output_lbranch): Add new argument to control extraction of delay
10982 (output_bb): Handle long branches.
10983 (output_bvb, output_dbra, output_movb, output_parallel_movb,
10984 output_parallel_addb): Likewise.
10986 2006-04-09 Richard Sandiford <richard@codesourcery.com>
10988 PR rtl-optimization/27073
10989 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
10992 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
10994 * tree.h (tree_memory_tag): Add old_used_alone.
10995 (SMT_OLD_USED_ALONE): New macro.
10996 * tree-ssa-alias.c (recalculate_used_alone): Stop
10997 marking things for renaming unnecessarily.
10999 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
11001 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
11002 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
11003 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
11004 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
11005 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
11006 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
11007 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
11008 spelling convensions.
11009 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
11010 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
11011 typos. Follow spelling conventions.
11013 2006-04-07 DJ Delorie <dj@redhat.com>
11015 * config/m32c/m32c.c (m32c_function_arg): Structures are always
11016 passed on the stack.
11017 (m32c_init_cumulative_args): When a function returns a structure,
11018 always pass the pointer to that return area on the stack.
11019 (m32c_function_arg_advance): Don't increment the parameter number
11020 if we're processing the returned structure pointer.
11021 (pushm_info): Reverse order of registers.
11023 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
11025 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
11026 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11027 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
11028 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
11029 build_int_cst_type.
11030 * tree-chrec.c (chrec_fold_multiply_poly_poly,
11031 chrec_fold_multiply): Same.
11032 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
11033 force_expr_to_var_cost): Same.
11034 * tree-mudflap.c (mf_xform_derefs_1): Same.
11035 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
11037 2006-04-07 David Edelsohn <edelsohn@gnu.org>
11039 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
11040 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
11043 2006-04-07 Jan Hubicka <jh@suse.cz>
11045 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
11047 2006-04-07 Richard Guenther <rguenther@suse.de>
11049 PR tree-optimization/26135
11050 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
11051 loads for store copy-prop.
11052 (copy_prop_visit_stmt): Likewise.
11054 2006-04-05 Robert Millan <robertmh@gnu.org>
11056 * config/i386/linux.h: Add a comment to mark macros that are
11057 being overriden in config/k*bsd-gnu.h.
11058 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
11060 * config/knetbsd-gnu.h: Ditto.
11062 2006-04-06 Jan Hubicka <jh@suse.cz>
11066 * coverage.c (coverage_checksum_string): Reorganize loop to not read
11069 2006-04-06 Mike Stump <mrs@apple.com>
11071 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
11072 for HAVE_nonlocal_goto to be consistent.
11073 (expand_builtin_nonlocal_goto): Likewise.
11074 (expand_builtin_strcmp): Use #ifdef instead of #if
11075 for HAVE_cmpstrnsi to be consistent.
11077 2006-04-05 DJ Delorie <dj@redhat.com>
11079 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
11082 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
11084 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
11085 got-relative addressing for anything but SImode.
11087 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
11088 even if the calling function doesn't modify them.
11090 2006-04-05 Richard Guenther <rguenther@suse.de>
11092 PR tree-optimization/26919
11093 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
11094 to cgraph_estimate_size_after_inlining.
11096 2006-04-05 Alan Modra <amodra@bigpond.net.au>
11098 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
11100 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
11102 PR tree-optimization/26996
11103 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
11104 VECTOR_TYPE variables.
11106 2006-04-05 Richard Guenther <rguenther@suse.de>
11108 PR tree-optimization/26763
11109 * fold-const.c (fold_comparison): Move folding of
11110 PTR + CST CMP PTR + CST ...
11111 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
11113 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
11115 * doc/install.texi (Prerequisites): Refine some wording on
11116 bootstrapping and ksh.
11117 Move the version numbers of DejaGnu here from the testing section
11118 and fix casing of names.
11119 Fix markup and clarify wording for autogen requirements.
11120 Refer to GCJ instead of just java.
11121 Refer to SVN instead of CVS.
11122 Describe diffutils as useful instead of necessary.
11123 (Downloading the source): Refer to SVN instead of CVS.
11124 Adjust a link to our web site accordingly.
11125 (Configuration): Fix casing of Bison.
11126 (Building): Refer to SVN instead of CVS.
11127 Fix a sentence on the use of Bison and remove duplicate (and
11128 incorrect) version number of Bison requirement.
11129 Remove one redundant list of packages needed for building.
11130 (Specific): Avoid reference to CVS.
11132 2006-04-04 Eric Christopher <echristo@apple.com>
11134 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
11135 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
11136 (rs6000_handle_struct_attribute): New.
11137 (rs6000_ms_bitfield_layout_p): Ditto.
11139 2006-04-04 Geoffrey Keating <geoffk@apple.com>
11141 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
11142 NULL for dso parameter to atexit_common.
11144 2006-04-04 Eric Christopher <echristo@apple.com>
11146 * config/i386/i386.c (machopic_output_stub): Output \t
11147 between instructions and operands.
11149 2006-04-04 David Edelsohn <edelsohn@gnu.org>
11151 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
11152 satisfies_constraint_[IL] to explicit tests on value.
11154 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
11156 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11157 set_nb_iterations_in_loop): Use build_int_cst instead of
11158 build_int_cst_type.
11159 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
11160 build_int_cst instead of convert.
11162 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
11164 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
11165 new value 2 for incoming.
11166 * function.c (expand_function_start): Call struct_value_rtx
11167 with incoming as 2.
11168 * config/sparc/sparc.md: Comment updated_return.
11169 * config/sparc/sparc.opt: Add -mstd-struct-return option.
11170 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
11171 struct return if sparc_std_struct_return and incoming is 2.
11172 (print_operand): Do not adjust return if
11173 sparc_std_struct_return.
11175 2006-04-04 Roger Sayle <roger@eyesopen.com>
11177 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
11178 convert in the middle-end.
11179 * expr.c (store_expr, store_constructor, get_inner_reference,
11180 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
11182 * tree.c (build_range_type): Likewise.
11184 2006-04-04 Tom Tromey <tromey@redhat.com>
11186 * doc/install.texi (Prerequisites): Mention jar.
11188 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
11190 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
11193 2006-04-04 Matthias Klose <doko@debian.org>
11195 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
11199 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
11202 2006-04-03 Geoffrey Keating <geoffk@apple.com>
11204 * doc/extend.texi (Function Attributes): Rewrite visibility
11205 attribute documentation.
11206 * doc/invoke.texi (C++ Dialect Options): Rewrite
11207 -fvisibility-inlines-hidden documentation to describe something
11208 entirely different, although in practise compatible.
11209 (Code Gen Options): Warn about system headers in -fvisibility=
11212 * doc/extend.texi (Other Builtins): Document that
11213 __builtin_nan is a compile-time constant only when its argument
11216 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
11218 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
11219 trying to remove TRUNCATE check if all bits outside the new mode
11220 are identical to the sign bit.
11222 2006-04-03 Jeff Law <law@redhat.com>
11224 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
11225 and operand scanning in some common cases.
11227 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
11228 Dale Johannesen <dalej@apple.com>
11231 * regclass.c (struct reg_pref): Update documentation.
11232 (regclass): Set prefclass to NO_REGS if memory is the best option.
11233 (record_reg_classes): Cope with a prefclass set to NO_REGS.
11234 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
11235 into account. For non-registers, equate an empty preferred
11236 reload class to a `!' in the constraint; move the if clause to
11237 do so after those that reject the insn.
11238 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
11240 (find_dummy_reload): Likewise.
11241 * doc/tm.texi (Register Classes): Document what it means
11242 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
11243 * config/i386/i386.c (ix86_preferred_reload_class): Force
11244 using SSE registers (and return NO_REGS for floating-point
11245 constants) if math is done with SSE.
11246 (ix86_preferred_output_reload_class): New.
11247 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
11248 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
11249 * config/i386/i386.md: Remove # register preferences.
11251 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11254 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11255 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
11256 the type of nb_iter.
11257 (instantiate_parameters_1): Convert the operands before calling
11258 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
11259 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
11261 2006-04-02 Roger Sayle <roger@eyesopen.com>
11263 * builtins.c (dummy_object): Use build_int_cst instead of convert.
11264 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
11265 instead of convert.
11266 * dojump.c (do_jump): Likewise.
11267 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
11268 * gimplify.c (gimple_boolify, gimplify_init_constructor,
11269 gimplify_boolean_expr): Likewise.
11270 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
11271 * varasm.c (array_size_for_constructor): Likewise.
11272 * tree-object-size.c (compute_object_offset): Likewise.
11274 2006-04-02 Roger Sayle <roger@eyesopen.com>
11276 PR middle-end/26977
11277 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
11278 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
11280 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11282 PR tree-optimization/26939
11283 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
11285 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11287 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
11288 at_stmt. Convert the type of operands before calling
11289 build_polynomial_chrec.
11290 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
11291 add_to_evolution_1.
11292 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
11293 (instantiate_parameters_1): Convert the type of operands before calling
11294 build_polynomial_chrec.
11295 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
11296 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
11297 reset_evolution_in_loop): Insert asserts to check the types of the
11299 (chrec_type): Moved...
11300 (eq_evolutions_p): Use operand_equal_p.
11301 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
11302 the types of the operands.
11303 (chrec_type): ...here.
11304 * tree-data-ref.c (create_data_ref): Convert the operands before
11305 calling chrec_replace_initial_condition.
11306 (same_access_functions, analyze_subscript_affine_affine,
11307 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
11308 (compute_subscript_distance, analyze_ziv_subscript,
11309 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
11310 analyze_miv_subscript): Convert the operands before calling
11311 chrec_fold_minus or chrec_fold_plus.
11313 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11315 * tree-data-ref.c (compute_all_dependences): Use a pointer to
11316 the dependence_relations vector.
11317 (compute_data_dependences_for_loop): Adjust call to
11318 compute_all_dependences.
11320 2006-04-01 Roger Sayle <roger@eyesopen.com>
11321 Richard Henderson <rth@redhat.com>
11323 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
11324 gimple_boolify on the condition before calling gimplify_expr.
11326 2006-03-31 Bob Wilson <bob.wilson@acm.org>
11328 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
11329 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
11330 the frame size. Update to use the new macros.
11331 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
11332 * config/xtensa/ieee754-df.S: Likewise.
11334 2006-03-31 Richard Henderson <rth@redhat.com>
11336 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
11337 (make_edges): ... here. Control fallthru creation with a local
11338 variable. Do not play with fake edges.
11339 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
11340 (make_goto_expr_edges): Don't play with fake edges. Make for_call
11343 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
11345 * dwarf2.h (DW64_CIE_ID): Define.
11346 * dwarf2out.c (DWARF_CIE_ID): Define.
11347 (output_call_frame_info): Output 0xffffffff before standard 8-byte
11348 length header. Use DWARF_CIE_ID.
11349 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
11350 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
11352 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
11354 * config/sh/linux-atomic.asm: New file.
11355 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
11357 2006-03-31 DJ Delorie <dj@redhat.com>
11359 * config/m32c/cond.md: Set condition flags properly throughout.
11360 * config/m32c/minmax.md: Likewise.
11361 * config/m32c/prologue.md: Likewise.
11362 * config/m32c/bitops.md: Likewise.
11363 * config/m32c/muldiv.md: Likewise.
11364 * config/m32c/mov.md: Likewise.
11365 * config/m32c/addsub.md: Likewise.
11366 * config/m32c/m32c.md: Likewise.
11367 * config/m32c/jump.md: Likewise.
11368 * config/m32c/shift.md: Likewise.
11370 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
11371 conditionally output the pattern for this.
11372 * config/m32c/m32c.c (flags_needed_for_conditional): New.
11373 (m32c_compare_redundant): New.
11374 (m32c_output_compare): New.
11375 * config/m32c/m32c-protos.h (m32c_output_compare): New.
11377 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
11378 dest, not src. Allow other 4-byte modes.
11380 2006-03-30 Denis Chertykov <denisc@overta.ru>
11382 * doc/md.texi: Refer to avr/constraints.md instead of
11385 2006-03-30 Roger Sayle <roger@eyesopen.com>
11387 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
11388 signed vs. unsigned comparison failures on some hosts.
11390 2006-03-31 Alan Modra <amodra@bigpond.net.au>
11393 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
11394 change to FLOAT_REGS.
11396 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
11397 (rs6000_override_options): Use it.
11398 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
11399 only for -mabi=spe/no-spe and -mabi=altivec.
11401 2006-03-30 Geoffrey Keating <geoffk@apple.com>
11403 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
11406 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
11408 * Makefile.in: Rename docdir to gcc_docdir.
11410 2006-03-30 Roger Sayle <roger@eyesopen.com>
11413 * expr.c (emit_group_store): Optimize group stores into a pseudo
11414 register by using a paradoxical subreg to initialize the destination
11415 if the first or last member of the group specifies a "low part".
11417 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11420 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
11421 * target.h (struct gcc_target.speculate_insn): Change type of the
11422 second parameter to 'int'.
11423 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
11424 the second operand of the DEPS_LIST.
11425 (copy_DEPS_LIST_list): Update reference to the second operand of the
11427 * rtl.h (alloc_DEPS_LIST): Update signature.
11428 * sched-int.h (ds_t): Change typedef to 'int'.
11429 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11431 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11433 * haifa-sched.c (try_ready): Change condition to restore
11434 non-speculative pattern of the instruction.
11435 (process_insn_depend_be_in_spec): Code to keep probability of the
11436 speculative dependence non-decreasing.
11438 2006-03-30 Jie Zhang <jie.zhang@analog.com>
11440 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
11441 (single_move_for_movmem): ... this. Also change all uses.
11442 (bfin_expand_strmov): Renamed to...
11443 (bfin_expand_movmem): ... this. Also change all uses.
11444 * config/bfin/bfin.md (movstrsi): Renamed to...
11445 (movstrsi): ...this.
11447 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
11449 PR tree-optimization/26830
11451 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
11452 (copy_prop_visit_stmt): Remove write-only variable ann.
11453 (init_copy_prop): Check variable loop depth here. Do not simulate
11454 memory-tag and virtual operand PHIs except for store copy prop.
11456 2006-03-30 Richard Guenther <rguenther@suse.de>
11458 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
11459 variants with double arguments.
11461 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11463 * genpreds.c (write_tm_constrs_h): Delete variable p.
11464 * genconditions.c (write_header): Add tm-constrs.h to included
11466 * genpeep.c (main): Add toplev.h to included headers.
11467 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
11468 (build/genpeep.o): Add toplev.h dependency.
11469 * config/rs6000/constraints.md: Add "W" constraint.
11471 2006-03-29 Roger Sayle <roger@eyesopen.com>
11473 * stor-layout.c (mode_for_size_tree): Remove restiction on type
11474 sizes by correctly testing whether the size fits a host integer.
11475 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
11476 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
11477 SImode range for the default sizetype and bitsizetype.
11479 2006-03-29 Roger Sayle <roger@eyesopen.com>
11481 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
11482 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
11483 quickly if the argument is already of the correct type.
11484 Call fold_build1 instead of build1. Tidy up blank lines.
11486 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11488 * genemit.c (main): Add tm-constrs.h to included headers.
11489 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
11490 * genpeep.c (main): Add tm-constrs.h to included headers.
11491 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
11492 (write_tm_constrs_h): this and write complete file.
11493 (write_tm_preds_h): Do not emit satisfies_constraint fns.
11494 (write_insn_preds_c): Add tm-constrs.h to included headers.
11495 (gen_constrs): New variable.
11496 (parse_option): Parse "-c".
11497 (main): Invoke write_tm_constrs_h.
11498 * genrecog.c (write_header): Add tm-constrs.h to included headers.
11499 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
11500 (object_out_file): Add tm-constrs.h dependency.
11501 (insn-emit.o): Same.
11502 (insn-output.o): Same.
11503 (insn-peep.o): Same.
11504 (insn-preds.o): Same.
11505 (insn-recog.o): Same.
11506 (tm-constsr.h): New target.
11507 (s-constrs-h): New target.
11509 * config/rs6000/constraints.md: New file.
11510 * config/rs6000/rs6000.c: Include tm-constrs.h.
11511 (num_insn_constant_wide): Convert to satisfies_constraint.
11512 (rs6000_rtx_costs): Convert to satisfies_constraint.
11513 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
11514 (CONST_OK_FOR_LETTER_P): Delete.
11515 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11516 (EXTRA_CONSTRAINT): Delete.
11517 (EXTRA_MEMORY_CONSTRAINT): Delete.
11518 (EXTRA_ADDRESS_CONSTRAINT): Delete.
11519 * config/rs6000/predicates.md: Convert to satisfies_constraint.
11520 * config/rs6000/rs6000.md: Include constraints.md. Convert to
11521 satisfies_constraint.
11523 * config/i386/i386.c: Include tm-constrs.h.
11525 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11527 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
11528 * tree-data-ref.c (find_data_references_in_loop,
11529 compute_data_dependences_for_loop): Use pointers to VEC.
11530 (analyze_all_data_dependences): Adjust calls.
11531 * tree-data-ref.h (find_data_references_in_loop,
11532 compute_data_dependences_for_loop): Adjust declarations.
11533 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
11534 compute_data_dependences_for_loop.
11536 2006-03-29 Paul Brook <paul@codesourcery.com>
11538 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
11539 (movdf_vfp): Ditto.
11541 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11543 PR tree-optimization/26859
11544 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
11546 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
11547 for the step after fold_convert.
11549 2006-03-29 Paul Brook <paul@codesourcery.com>
11551 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
11552 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
11554 2006-03-29 Paul Brook <paul@codesourcery.com>
11556 PR middle-end/23623
11557 * targhooks.c (default_narrow_bitfield): New fuction.
11558 * targhooks.h (default_narrow_bitfield): add prototype.
11559 * target.h (gcc_target): Add narrow_volatile_bitfield.
11560 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11561 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
11562 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
11563 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11565 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
11567 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
11569 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
11570 (NR_C_MODES): Add TDmode, DDmode and SDmode.
11571 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
11572 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
11573 (s390_function_arg_float): Allow SDmode and DDmode values to be
11574 passed in floating point registers.
11575 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
11576 check with SCALAR_FLOAT_MODE_P.
11577 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
11579 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11581 PR tree-optimization/25985
11582 * tree-ssa-loop-niter.c (number_of_iterations_le,
11583 number_of_iterations_ne): Make comments more precise.
11584 (number_of_iterations_cond): Add only_exit argument. Use the
11585 fact that signed variables do not overflow only when only_exit
11587 (loop_only_exit_p): New.
11588 (number_of_iterations_exit): Pass result of loop_only_exit_p to
11589 number_of_iterations_cond.
11591 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11593 PR tree-optimization/26643
11594 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
11597 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
11599 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
11600 (divsi3_i4_int): Likewise.
11602 2006-03-28 Roger Sayle <roger@eyesopen.com>
11604 * expr.c (emit_group_store): Only create a new pseudo reg if the
11605 quantity it needs to hold isn't already a suitable pseudo.
11607 2006-03-28 Jeff Law <law@redhat.com>
11609 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
11610 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
11612 2006-03-28 Roger Sayle <roger@eyesopen.com>
11614 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
11615 the equivalent ~X & Y, and the symmetry related transformations.
11616 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
11617 ~X & Y, and symmetry related transforms.
11619 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11621 Revert my 2006-03-27 patches.
11623 2006-03-28 Roger Sayle <roger@eyesopen.com>
11625 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
11626 ~(T1)X, when T1 and T2 are integer types of the same precision
11627 and (T2)X isn't an extension.
11629 2006-03-28 Jeff Law <law@redhat.com>
11631 PR tree-optimization/26796
11632 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
11633 need EH edge cleanups rather than purging them immediately.
11634 (eliminate_degenerate_phis): Handle queued EH cleanups.
11636 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
11638 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
11641 2006-03-27 Roger Sayle <roger@eyesopen.com>
11643 PR middle-end/22524
11644 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
11645 cast BIT_NOT_EXPR operand to the correct type.
11647 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
11649 * tree-loop-linear.c: Don't include varray.h.
11650 (gather_interchange_stats, try_interchange_loops,
11651 linear_transform_loops): Use VEC instead of VARRAY.
11652 * lambda-mat.c: Don't include varray.h.
11653 * tree-chrec.c: Same.
11654 * lambda-trans.c: Same.
11655 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
11656 VEC instead of VARRAY.
11657 * tree-vectorizer.h: Idem.
11658 * tree-data-ref.c (dump_data_references,
11659 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
11660 initialize_data_dependence_relation, finalize_ddr_dependent,
11661 compute_all_dependences, find_data_references_in_loop,
11662 compute_data_dependences_for_loop, analyze_all_data_dependences,
11663 free_dependence_relation, free_dependence_relations,
11664 free_data_refs): Idem.
11665 * tree-data-ref.h (data_reference_p, subscript_p): New.
11666 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
11667 VEC instead of VARRAY.
11668 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
11669 (find_data_references_in_loop, compute_data_dependences_for_loop,
11670 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
11671 dump_data_dependence_relations, free_dependence_relations,
11672 free_data_refs): Adjust declaration.
11673 (lambda_transform_legal_p): Move declaration here...
11674 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
11675 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
11676 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
11677 vect_analyze_data_refs): Use VEC instead of VARRAY.
11678 * lambda.h (lambda_transform_legal_p): ...from here.
11679 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
11680 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
11681 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
11682 tree-chrec.o): Don't depend on VARRAY_H.
11684 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11686 * rtl.def (Copyright): Update date.
11687 (DEPS_LIST): Change type of the second operand to 'int'.
11688 * target.h (Copyright): Update date.
11689 (struct gcc_target.speculate_insn): Change type of the second parameter
11691 * lists.c (Copyright): Update date.
11692 (alloc_DEPS_LIST): Change signature. Update reference to the second
11693 operand of the DEPS_LIST.
11694 (copy_DEPS_LIST_list): Update reference to the second operand of the
11696 * rtl.h (Copyright): Update date.
11697 (alloc_DEPS_LIST): Update signature.
11698 * sched-int.h (Copyright): Update date.
11699 (ds_t): Change typedef to 'int'.
11700 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11702 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11704 * haifa-sched.c (Copyright): Update date.
11705 (try_ready): Change condition to restore non-speculative pattern
11706 of the instruction.
11707 (process_insn_depend_be_in_spec): Code to keep probability of the
11708 speculative dependence non-decreasing.
11710 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
11712 * regrename.c (replace_oldest_value_addr): Initialize a variable to
11713 shut up the compiler.
11715 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
11717 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
11718 to use lib prefix for target.
11719 ($(T)libic_invalidate_array_4-200.a): Likewise.
11720 ($(T)libic_invalidate_array_4a.a): Likewise.
11722 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
11723 J"orn Rennecke <joern.rennecke@st.com>
11725 * superh.opt: New file.
11726 * sh.c (boardtype, osruntime): Remove.
11727 * superh.h (SUBTARGET_OPTIONS): Remove.
11728 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
11730 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
11731 arguments with ^ and/or [].
11733 * config.gcc (sh-*-*): Add quoting to account for quirk of
11735 Replace == with = in enable_incomplete_targets test.
11737 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
11738 with MASK_LITTLE_ENDIAN.
11740 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
11741 * config/sh/sh.opt: Added to some comments.
11742 * config/sh/superh.h: Removed some chaff.
11744 * config/sh/sh.opt: Add m4-[1234]00* options.
11745 * config/sh/sh.c (sh_handle_option): Likewise.
11746 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
11747 (ic_invalidate_array_4-100.o): New rule.
11748 ($(T)libic_invalidate_array_4-100.a): Likewise.
11749 (ic_invalidate_array_4-200.o): Likewise.
11750 ($(T)libic_invalidate_array_4-200.a): Likewise.
11751 (ic_invalidate_array_4a.o): Likewise.
11752 ($(T)libic_invalidate_array_4a.a): Likewise.
11753 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
11754 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
11756 * config/sh/crt1.asm: Merged in profiling code.
11757 * config/sh/superh.h (STARTFILE_SPEC): Override.
11758 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
11759 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
11760 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
11762 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
11763 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
11764 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
11766 * sh.opt (mpretend-cmove): New option.
11767 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
11768 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
11769 (movsicc): Add TARGET_PRETEND_CMOVE code.
11771 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
11773 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
11774 s390_class_max_nregs): New function prototypes.
11775 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
11776 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
11777 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
11778 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
11780 2006-03-26 Geoffrey Keating <geoffk@apple.com>
11782 * dwarf2out.c (add_location_or_const_value_attribute): Call
11783 tree_add_const_value_attribute if nothing else works.
11784 (reference_to_unused): New.
11785 (rtl_for_decl_init): Use reference_to_unused to decide whether
11786 to output an initializer.
11788 2006-03-27 Alan Modra <amodra@bigpond.net.au>
11791 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
11792 peephole removing spe frob_di_df_2.
11794 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
11796 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
11797 (subscript_dependence_tester_1): Declared.
11798 (print_dir_vectors, print_dist_vectors): New.
11799 (debug_data_dependence_relation): New.
11800 (dump_data_dependence_relation): Print more details.
11801 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
11802 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
11803 (save_dist_v, save_dir_v, add_outer_distances,
11804 build_classic_dist_vector_1): New.
11805 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
11806 Don't test for lambda_vector_lexico_pos.
11807 (same_access_functions, add_multivariate_self_dist,
11808 add_other_self_distances, dir_from_dist): New.
11809 (build_classic_dir_vector): Replace implementation almost identical to
11810 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
11812 (subscript_dependence_tester_1): New.
11813 (subscript_dependence_tester): Handle the lexicographically negative
11814 distance vectors by recomputing the dependence relation.
11815 (compute_affine_dependence): Remove parameter loop_nest_depth.
11816 (compute_self_dependence): Don't call compute_subscript_distance.
11817 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
11818 Add a parameter for the loop_nest.
11819 (find_loop_nest_1, find_loop_nest): New.
11820 (compute_data_dependences_for_loop): Compute the loop nest, and give
11821 up if the nest is not well formed.
11822 * tree-data-ref.h (loop_p): New.
11823 (struct data_dependence_relation): Replace size_vect field with
11824 loop_nest, a vec of loops.
11825 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
11826 (DDR_LOOP_NEST): New.
11827 (print_dir_vectors, print_dist_vectors,
11828 debug_data_dependence_relation): Declared.
11829 (index_in_loop_nest): New.
11830 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
11831 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
11834 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
11836 * simplify-rtx.c (simplify_relational_operation): Call
11837 simplify_relational_operation_1 even if mode is VOIDmode.
11839 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
11841 PR tree-optimization/26804
11842 * tree.h (DECL_CALL_CLOBBERED): New macro.
11843 (tree_decl_common): Add call_clobbered_flag.
11844 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
11845 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
11846 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
11847 (mark_non_addressable): Ditto.
11848 * tree-ssa.c (verify_call_clobbered): New function.
11849 (verify_alias_info): Use it.
11850 * tree-pass.h (pass_reset_cc_flags): New prototype.
11851 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
11852 (reset_cc_flags): New function.
11853 * passes.c (init_optimization_passes): Call reset_cc_flags after
11854 initializing referenced_vars.
11856 2006-03-25 Uros Bizjak <uros@kss-loka.si>
11857 Roger Sayle <roger@eyesopen.com>
11859 PR middle-end/26717
11860 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
11861 to 1.0 for non-real operands. Implement A / A optimization for
11864 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
11866 * config/i386/i386.c (size_cost): Correct the comment for
11867 cost of storing fp registers.
11868 (i386_cost): Likewise.
11869 (i486_cost): Likewise.
11870 (pentium_cost): Likewise.
11871 (pentiumpro_cost): Likewise.
11872 (k6_cost): Likewise.
11873 (athlon_cost): Likewise.
11874 (k8_cost): Likewise.
11875 (pentium4_cost): Likewise.
11876 (nocona_cost): Likewise.
11877 (generic64_cost): Likewise.
11878 (generic32_cost): Likewise.
11880 2006-03-24 Denis Chertykov <denisc@overta.ru>
11882 * config/avr/avr-protos.h (extra_constraint): Delete.
11883 (extra_constraint_Q): New declaration.
11884 * config/avr/constraints.md: New file.
11885 * config/avr/avr.md: Include it.
11886 (REG_X, REG_Y, REG_Z, REG_W): New constants.
11887 (TMP_REGNO, ZERO_REGNO): Likewise.
11888 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
11889 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
11890 (extra_constraint): Delete.
11891 (extra_constraint_Q): Test for memory constraint 'Q'.
11892 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
11893 (REG_CLASS_FROM_LETTER): Delete.
11894 (CONST_OK_FOR_LETTER_P): Delete.
11895 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11896 (EXTRA_CONSTRAINT): Delete.
11897 (TMP_REGNO): Delete.
11898 (ZERO_REGNO): Delete.
11900 2006-03-24 Jeff Law <law@redhat.com>
11902 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
11903 directly. Call mark_new_vars_to_rename slightly earlier.
11905 2006-03-24 Geoffrey Keating <geoffk@apple.com>
11907 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
11908 (is_cxx): Likewise.
11909 (gen_compile_unit_die): Use new language types for Objective-C and
11911 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
11912 DW_LANG_C_plus_plus.
11915 * config/t-darwin (crt3.o): Work around bug 26840.
11916 * config/darwin-crt3.c: Rewrite.
11917 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
11919 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
11921 * doc/invoke.texi: Document -femit-class-debug-always
11922 * common.opt: Add -femit-class-debug-always.
11924 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
11926 * config/s390/s390.c (s390_decompose_address): Allow SImode for
11927 index and base register.
11928 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
11929 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
11930 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
11931 REGNO_OK_FOR_INDEX_P.
11932 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
11934 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
11935 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
11936 REG_OK_FOR_BASE_P): Definitions removed.
11938 2006-03-24 Jakub Jelinek <jakub@redhat.com>
11940 PR middle-end/26611
11941 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
11942 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
11943 set yet or weren't marked as local yet.
11945 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
11947 * regrename.c (scan_rtx_address): Initialize a variable to shut up
11950 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
11952 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
11953 (rs6000_legitimate_small_data_p): Delete.
11954 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
11955 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
11956 and make static. Add forward declaration. Update uses.
11957 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
11958 of offsettable_memref_p.
11959 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
11960 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
11962 2006-03-24 Jeff Law <law@redhat.com>
11964 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
11965 around bug in immediate-use iterator.
11967 2006-03-24 Alan Modra <amodra@bigpond.net.au>
11970 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
11971 or __LITTLE_ENDIAN__.
11973 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
11975 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
11976 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
11977 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
11978 * config/sh/sh.opt (mdiv=): Amend description.
11979 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
11980 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
11981 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
11982 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
11983 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
11984 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
11985 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
11986 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
11987 TARGET_DIVIDE_CALL_FP.
11989 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11991 * haifa-sched.c (choose_ready): Fix type of the local variable.
11992 Move local variables. Add comment.
11993 (check_reg_live): Change signature. Make callable from debugger.
11994 * sched-int.h (check_reg_live): Update signature.
11995 * sched-ebb.c (check_reg_live): Update parameters.
11996 * sched-rgn.c (check_reg_live): Ditto.
11997 (region_head_or_leaf_p): Check pointer before dereferencing.
11998 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
11999 before reload on optimization levels below 1.
12001 2006-03-23 Richard Henderson <rth@redhat.com>
12003 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
12007 * config/alpha/predicates.md (local_symbolic_operand): Reject
12010 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
12013 * tree-ssa-pre.c (create_value_expr_from): Don't reject
12014 expressions which have overflowed constants.
12016 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
12018 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
12020 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
12022 * cfgloopmanip.c (create_loop_notes): Removed.
12023 * final.c (final_scan_insn): Do not handle loop notes.
12024 * jump.c (squeeze_notes): Ditto.
12025 * cfglayout.c (skip_insns_after_block,
12026 duplicate_insn_chain): Ditto.
12027 * cfgcleanup.c (rest_of_handle_jump2): Do not call
12029 * cfgloop.h (create_loop_notes): Declaration removed.
12031 2006-03-23 Richard Sandiford <richard@codesourcery.com>
12033 * varasm.c (output_constant_pool): Restore fnname and fndecl
12035 (assemble_start_function): Adjust call accordingly.
12036 (assemble_end_function): Likewise.
12038 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12041 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
12044 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
12046 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12049 * system.h (ICE_EXIT_CODE): New macro.
12050 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
12051 (diagnostic_action_after_output): Likewise.
12052 * gcc.c (fatal_ice): New function.
12053 (execute): Use it instead of fatal.
12054 (fancy_abort): Likewise.
12055 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
12057 2006-03-22 Jeff Law <law@redhat.com>
12059 * loop-unroll.c (analyze_iv_to_split_insn): Handle
12060 iv_analyze_result returning false.
12062 2006-03-22 Jie Zhang <jie.zhang@analog.com>
12064 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
12066 2006-03-22 Richard Henderson <rth@redhat.com>
12068 PR middle-end/26084
12069 * except.c (duplicate_eh_regions_0): New.
12070 (duplicate_eh_region_1): Duplicate the children of the node as
12071 well as the node itself. Link them up properly.
12072 (duplicate_eh_region_2): Merge into ...
12073 (duplicate_eh_regions): ... here. Take copy_region argument, and
12074 copy only a sub-tree if asked. Simplify copying and fixup.
12075 (eh_region_outer_p): New.
12076 * except.h (duplicate_eh_regions): Update decl.
12077 (eh_region_outer_p): Declare.
12078 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
12079 (lower_omp_master): Likewise.
12080 (lower_omp_ordered): Likewise.
12081 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
12082 (move_stmt_r): Use it to remap labels. Handle recursion vs
12083 remap_decls_p properly.
12084 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
12085 (find_outermost_region_in_block): New.
12086 (new_label_mapper): New.
12087 (move_sese_region_to_fn): Copy eh information to the new function
12089 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
12091 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
12094 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12096 * doc/md.texi (-mshared): Mention that -mshared code can be linked
12097 into shared libraries.
12099 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12101 * doc/md.texi: Refer to i386/constraints.md instead of
12102 i386/predicates.md.
12103 * config/i386/constraints.md: New file, extracted from...
12104 * config/i386/predicates.md: ...here.
12105 * config/i386/i386.md: Include constraints.md.
12107 2006-03-21 Jason Merrill <jason@redhat.com>
12109 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
12111 PR middle-end/20297
12112 * expr.c (init_block_move_fn): Force default visibility.
12113 (init_block_clear_fn): Likewise.
12114 * builtins.c (expand_builtin_fork_or_exec): Likewise.
12115 * targhooks.c (default_external_stack_protect_fail): Likewise.
12117 2006-03-21 Richard Sandiford <richard@codesourcery.com>
12119 * config/mips/predicates.md (const_call_insn_operand): Allow direct
12120 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
12121 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
12122 Use TARGET_OLDABI instead of !TARGET_NEWABI.
12123 (loadgp): Use mips_current_loadgp_style.
12124 (loadgp_noshared): New pattern.
12125 (sibcall_internal): Use MIPS_CALL.
12126 (sibcall_value_internal): Likewise.
12127 (sibcall_value_multiple_internal): Likewise.
12128 (call_internal): Likewise.
12129 (call_value_internal): Likewise.
12130 (call_value_multiple_internal): Likewise.
12131 (call_split): Use MIPS_CALL and add an 'S' constraint.
12132 (call_value_split): Likewise.
12133 (call_value_multiple_split): Likewise.
12134 * config/mips/mips.opt (-mabicalls): Tweak docstring.
12135 (-mshared): New option.
12136 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
12137 (mips_current_loadgp_style): Declare.
12138 * config/mips/mips.c (mips_classify_symbol): Avoid using
12139 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
12140 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
12141 TARGET_ABSOLUTE_ABICALLS.
12142 (override_options): Adjust comments. Improve the warning that is
12143 issued when -mabicalls and -G are used together.
12144 (mips_file_start): Remove comment.
12145 (mips_current_loadgp_style): New function.
12146 (mips_gnu_local_gp): New variable.
12147 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
12149 (mips_output_function_prologue): Use mips_current_laodgp_style.
12150 (mips_expand_prologue): Call mips_emit_loadgp before emitting
12151 the cprestore instruction.
12152 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
12153 live for TARGET_ABSOLUTE_ABICALLS.
12154 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
12155 (ASM_SPEC): Pass down -mshared and -mno-shared.
12156 (MIPS_CALL): New macro.
12157 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
12159 * doc/invoke.texi (-mabicalls): Update documentation.
12160 (-mshared): Document.
12162 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12164 * config/ia64/unwind-hpux.c: New file.
12165 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
12167 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12170 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
12172 2006-03-21 Jeff Law <law@redhat.com>
12174 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
12175 type conversions of a VR_VARYING source to a wider type.
12177 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
12179 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
12180 tm_file on Solaris 10 and later.
12181 (sparc64-*-solaris2*): Likewise.
12182 (sparc-*-solaris2*): Likewise.
12183 * config/sol26.h: Rename to config/sol2-6.h.
12184 * config/sol2-10.h: New file.
12186 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
12189 * tree-ssa-pre.c (create_component_ref_by_pieces):
12192 2006-03-21 Jakub Jelinek <jakub@redhat.com>
12195 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
12196 return it immediately.
12198 2006-03-21 Michael Matz <matz@suse.de>
12200 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
12202 (remove_arc, add_arc): Update num_out_arcs member.
12203 (set_out_arc_insns_equiv_num): Returns nothing instead of number
12205 (cache_presence): New function.
12206 (compare_states_for_equiv): New function.
12207 (state_is_differed): Don't take number of outargs, adjust callers.
12208 Use new invariant for speeding up.
12209 (init_equiv_class): Create initial classes based on sorted
12211 (partition_equiv_class): Don't track out_arcs_num.
12212 (evaluate_equiv_classes): Call cache_presence on all states and
12215 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
12217 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
12218 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
12219 (bfin_valid_reg_p): Test for pseudos explicitly and use only
12220 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
12222 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
12223 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
12224 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
12225 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
12226 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
12228 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
12229 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
12230 (REGNO_REG_CLASS): ARGP is in PREGS.
12231 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
12233 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
12234 to deal with those addresses.
12235 * addresses.h: New file.
12236 * caller-save.c: Include "addresses.h".
12237 (init_caller_save): Use new base_reg_class function.
12238 * rtl-factoring.c: Include "addresses.h".
12239 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
12240 * recog.c: Include "addresses.h".
12241 (preprocess_constraints): Use new base_reg_class function.
12242 * regrename.c: Include "addresses.h".
12243 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
12244 functions. Keep track of a new var INDEX_CODE to compute valid
12246 (replace_oldest_value_addr): Likewise.
12247 (replace_oldest_value_mem): Use base_reg_class.
12248 * reload.c: Include "addresses.h".
12249 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
12250 (find_reloads): Use new base_reg_class function.
12251 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
12252 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
12253 all callers and prototype changed.
12254 * reload1.c: Include "addresses.h".
12255 (maybe_fix_stack_asms): Use base_reg_class.
12256 * regclass.c: Include "addresses.h".
12257 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
12258 (init_reg_autoinc): Use new base_reg_class function.
12259 (record_reg_classes): Likewise.
12260 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
12261 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
12262 Use new args to compute necessary class.
12264 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
12265 regrename.o, rtl-factoring.o): Update dependencies.
12266 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
12267 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
12268 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
12269 REG_OK_FOR_INDEX_P): Delete documentation.
12271 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
12273 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
12274 from V7 to V9 for Solaris 7 and above.
12276 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
12278 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
12279 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
12280 argument pointers may not alias any other storage.
12281 * common.opt: Define option -fargument-noalias-anything.
12282 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
12283 alias semantics is specified by flag_argument_noalias > 2.
12285 2006-03-20 Jeff Law <law@redhat.com>
12287 * tree-pass.h (pass_phi_only_copy_prop): Delete.
12288 (pass_phi_only_cprop): Declare.
12289 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
12290 with phi_only_cprop
12291 * tree-ssa-dom.c (degenerate_phi_result): New function.
12292 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
12293 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
12294 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
12295 (eliminate_degenerate_phis): Likewise.
12296 (pass_phi_only_cprop): New pass descriptor.
12297 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
12298 support code. Callers updated.
12299 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
12300 (store_copy_prop): Likewise.
12301 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
12303 2006-03-20 Jason Merrill <jason@redhat.com>
12306 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
12307 (push_visibility, pop_visibility): Likewise.
12308 * c-pragma.h: Declare them.
12310 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
12312 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
12314 * config/sh/sh.c (find_regmode_weight): Change the type of the first
12315 parameter and use get_ebb_head_tail.
12316 (sh_md_init_global): Adjust uses of find_regmode_weight.
12318 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
12320 * function.h (struct function) <x_tail_recursion_reentry>:
12321 Rename to x_stack_check_probe_note.
12322 (tail_recursion_reentry): Rename to stack_check_probe_note.
12323 * function.c: Replace tail_recursion_reentry with
12324 stack_check_probe_note everywhere.
12325 (expand_function_start): Only emit a note for
12326 stack_check_probe_note with -fstack-protect.
12327 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
12329 * emit-rtl.c (remove_unnecessary_notes): Remove.
12330 (pass_remove_unnecessary_notes): Remove.
12331 * rtl.h (remove_unnecessary_notes): Remove prototype.
12332 * final.c (final_start_function): Don't call remove_unnecessary_notes.
12333 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
12334 * passes.c (pass_remove_unnecessary_notes): Don't run it.
12336 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
12339 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
12340 (valid_in_set): Handle ARRAY_REF.
12341 Change "if min_variant or VH" to asserts.
12342 (create_component_ref_by_pieces): Handle ARRAY_REF.
12343 (create_expression_by_pieces): Likewise.
12344 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
12346 2006-03-20 David Edelsohn <edelsohn@gnu.org>
12348 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
12349 is operand of switch, not str[0].
12351 2006-03-20 Alan Modra <amodra@bigpond.net.au>
12353 * config/rs6000/rs6000.c (rs6000_handle_option): Use
12354 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
12356 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12358 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
12359 end of insn_extra_address_constraint declaration.
12361 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12363 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
12364 (no-sum-in-toc): Same.
12365 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
12367 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
12368 NO_FP_IN_TOC for -fPIC instead of mask.
12370 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
12371 (BOOT_LDFLAGS): Delete.
12373 * config/rs6000/t-aix52: Same.
12375 * config/rs6000/rs6000.md (store_multiple_power): Delete.
12376 (stmsi[345678]_power): New.
12378 2006-03-17 Steve Ellcey <sje@cup.hp.com>
12380 * config/ia64/ia64.opt: Add empty line to end of file.
12382 2006-03-17 Richard Guenther <rguenther@suse.de>
12384 PR middle-end/26721
12385 * builtins.c (get_pointer_alignment): For component style references
12386 adjust alignment to the component type alignment. Make sure
12387 to adjust alignment for component access of constants.
12389 2006-03-17 David Edelsohn <edelsohn@gnu.org>
12391 * config/rs6000/rs6000.md (strlensi): Emit barrier after
12392 unconditional jump.
12394 2006-03-17 Paul Brook <paul@codesourcery.com>
12396 * doc/install.texi: Docuemnt --with-mode.
12397 * config.gcc: Add --with-mode for arm*-*-*.
12398 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
12400 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
12402 * sh.c (max_labelno_before_reorg): New variable.
12403 (sh_reorg): Initialize it.
12404 (find_barrier): Check max_labelno_before_reorg before using
12405 label_to_alignment. Take length of explicit alignment insns
12406 into account. When seeing a UNSPECV_CONST_END, return it.
12408 * sh.c (fixup_mova): Set mode of affected label to QImode.
12409 (untangle_mova): New function.
12410 (find_barrier): Use it. Check mode of label before decrementing
12412 (sh_reorg): Likewise.
12413 Set mode of all insns back to VOIDmode.
12415 * sh.c (MOVA_LABELREF): New macro.
12416 (mova_p, fixup_mova, sh_reorg): Use it.
12417 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
12418 ADDR_DIFF_VEC matches mova.
12420 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
12422 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
12423 with ATTRIBUTE_UNUSED.
12425 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
12427 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
12428 pointer, instead of assuming it is possible to derive the
12429 correct args size from a call insn.
12431 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12433 * rtl.h (CONST_INT_P): Define.
12434 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
12435 instead of GET_CODE(x) == CONST_INT.
12436 (vax_rtx_costs): Likewise.
12437 (vax_output_int_move): Likewise.
12438 (vax_output_int_add): Likewise.
12439 (legitimate_constant_address_p): Likewise.
12440 (index_term_p): Likewise.
12441 * config/vax/vax.h (PRINT_OPERAND): Likewise.
12442 * config/vax/vax.md (and<mode>3): Likewise.
12443 (ashrsi3): Likewise.
12445 (movstricthi): Likewise.
12446 (movstrictqi): Likewise.
12447 (rotrsi3): Likewise.
12448 (five unnamed insns): Likewise.
12450 2006-03-16 Geoffrey Keating <geoffk@apple.com>
12452 * doc/tm.texi (SDB and DWARF): Add extra parameter to
12453 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
12454 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
12455 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
12456 Pass to ASM_OUTPUT_DWARF_OFFSET.
12457 * dwarf2out.c (debug_frame_section): New.
12458 (output_call_frame_info): Use debug_frame_section. Pass it to
12459 dw2_asm_output_offset.
12460 (output_die): Pass appropriate section to dw2_asm_output_offset.
12461 (output_compilation_unit_header): Likewise.
12462 (output_pubnames): Likewise.
12463 (output_aranges): Likewise.
12464 (enum dw_val_class): Break dw_val_class_lbl_offset into
12465 dw_val_class_lineptr and dw_val_class_macptr.
12466 (add_AT_lbl_offset): Delete.
12467 (add_AT_lineptr): New.
12468 (add_AT_macptr): New.
12469 (AT_lbl): Expect a lineptr or macptr.
12470 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
12471 (attr_checksum): Likewise.
12472 (same_dw_val_p): Likewise.
12473 (size_of_die): Likewise.
12474 (value_format): Likewise.
12475 (output_die): Likewise.
12476 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
12478 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12479 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
12480 * config/darwin-protos.h (darwin_file_start): New.
12481 (darwin_asm_output_dwarf_offset): New.
12482 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12483 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
12485 * config/darwin.c (darwin_emit_unwind_label): Don't output label
12486 if not EH section; simplify.
12487 (darwin_file_start): New.
12488 (darwin_asm_output_dwarf_offset): New.
12489 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
12491 (DEBUG_INFO_SECTION): Likewise.
12492 (DEBUG_ABBREV_SECTION): Likewise.
12493 (DEBUG_ARANGES_SECTION): Likewise.
12494 (DEBUG_MACINFO_SECTION): Likewise.
12495 (DEBUG_LINE_SECTION): Likewise.
12496 (DEBUG_LOC_SECTION): Likewise.
12497 (DEBUG_PUBNAMES_SECTION): Likewise.
12498 (DEBUG_STR_SECTION): Likewise.
12499 (DEBUG_RANGES_SECTION): Likewise.
12500 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
12501 (ASM_OUTPUT_DWARF_OFFSET): New.
12503 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
12505 * config.gcc (tm_defines): Always add to previous value rather
12508 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12510 * config/mips/predicates.md (splittable_const_int_operand): New,
12511 split from move_operand.
12512 (splittable_symbolic_operand): New.
12513 (move_operand): Add commentary. Use splittable_const_int_operand.
12514 Inline mips_atomic_symbolic_constant_p.
12515 * config/mips/mips.md: Add combine splitters for handling moves
12516 of splittable_const_int_operands and splittable_symbolic_operands.
12517 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
12518 (mips_split_symbol): Declare.
12519 (mips_move_integer): Declare.
12520 * config/mips/mips.c (mips_split_p): Make global.
12521 (TARGET_MIN_ANCHOR_OFFSET): Override default.
12522 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12523 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12524 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
12525 (mips_offset_within_object_p): Handle block symbols.
12526 (mips_atomic_symbolic_constant_p): Delete.
12527 (mips_cannot_force_const_mem): Return false for constants that
12528 mips_legitimize_move can handle.
12529 (mips_use_blocks_for_constant_p): New function.
12530 (mips_split_symbol): Make global.
12531 (mips_move_integer): Likewise. Add a temporary register argument.
12532 (mips_legitimize_const_move): Use splittable_const_int_operand and
12533 splittable_symbolic_operand.
12534 (mips_use_anchors_for_symbol_p): New function.
12535 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
12536 (mips_split_p): Declare.
12538 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12540 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
12541 (mips*-*-linux*): Likewise.
12543 2006-03-16 Roger Sayle <roger@eyesopen.com>
12544 Daniel Speyer <dspeyer@wam.umd.edu>
12546 PR middle-end/18259
12547 * tree-dump.c (dump_real): New function.
12548 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
12549 * Makefile.in (REAL_H): New macro for dependencies on real.h.
12550 (tree-dump.o): Add $(REAL_H) to the dependencies.
12552 2006-03-16 Roger Sayle <roger@eyesopen.com>
12554 PR middle-end/21781
12555 * real.c (real_from_string): If the mantissa is zero, don't bother
12556 parsing the exponent as the result should always be zero.
12558 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
12560 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
12562 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12564 * config/ia64/ia64.c (stops_p): Added explicit initialization.
12565 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
12566 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
12567 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
12568 ia64_sched_finish_global): New static functions to implement
12569 hooks from gcc_target.sched.
12570 (spec_check_no, max_uid, pending_data_specs): New static variables.
12571 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
12572 ia64_spec_check_src_p): New static functions.
12573 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
12574 (TARGET_SCHED_ADJUST_COST): Removed.
12575 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
12576 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
12577 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12578 TARGET_SCHED_GEN_CHECK,
12579 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12580 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
12581 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
12582 Fixed to handle speculation checks.
12583 (rtx_needs_barrier): Fixed to handle speculative loads and
12585 (ia64_variable_issue): Added code to count speculative loads and their
12587 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
12589 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
12591 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
12593 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
12594 (ia64_reorg): Reset stops_p to NULL after it is freed.
12595 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
12596 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
12597 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
12599 (data_speculative, control_speculative, check_load): New attributes.
12600 (mov<mode>_advanced, mov<mode>_speculative,
12601 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
12602 zero_extend<mode>di2_speculative,
12603 zero_extend<mode>di2_speculative_advanced): New patterns for
12604 data and control speculative loads.
12605 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
12607 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
12608 New pattern for data and control speculation checks.
12609 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
12610 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
12611 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
12612 Auxiliary definitions for the patterns.
12613 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
12614 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
12616 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
12618 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
12619 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
12620 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
12621 New resource constraints.
12622 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
12624 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
12625 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
12626 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12627 msched-in-control-spec, msched-ldc, msched-control-ldc,
12628 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12629 msched-prefer-non-control-spec-insns,
12630 msched-count-spec-in-critical-path): New flags to tune speculative
12632 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
12633 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12634 msched-in-control-spec, msched-ldc, msched-control-ldc,
12635 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12636 msched-prefer-non-control-spec-insns,
12637 msched-count-spec-in-critical-path): Document new flags.
12639 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12641 * target.h (struct spec_info_def): New opaque declaration.
12642 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
12643 speculate_insn, needs_block_p, gen_check,
12644 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
12645 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
12646 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
12647 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
12648 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12649 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
12651 (TARGET_SCHED): Use new macros.
12652 * rtl.h (copy_DEPS_LIST_list): New prototype.
12653 * sched-int.h (struct sched_info): Change signature of new_ready field,
12654 adjust all initializations. New fields: add_remove_insn,
12655 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
12656 region_head_or_leaf_p.
12657 (struct spec_info_def): New structure declaration.
12658 (spec_info_t): New typedef.
12659 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
12660 recovery_block, orig_pat.
12661 (glat_start, glat_end): New variables declaraions.
12662 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
12664 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
12665 DETACH_LIFE_INFO, USE_GLAT.
12666 (enum SPEC_SCHED_FLAGS): New enumeration.
12667 (NOTE_NOTE_BB_P): New macro.
12668 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
12669 attach_life_info, debug_spec_status, check_reg_live): New functions.
12670 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
12671 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
12673 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
12674 * ddg.c (get_block_head_tail): Adjust all uses.
12675 * modulo-sched.c (get_block_head_tail): Adjust all uses.
12676 (sms_sched_info): Initialize new fields.
12677 (contributes_to_priority): Removed.
12678 * haifa-sched.c (params.h): New include.
12679 (get_block_head_tail): Adjust all uses.
12680 (ISSUE_POINTS): New macro.
12681 (glat_start, glat_end): New global variables.
12682 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
12683 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
12684 old_last_basic_block, before_recovery, current_sched_info_var,
12685 rgn_n_insns, luid): New static variables.
12686 (insn_cost1): New function. Move logic from insn_cost to here.
12687 (find_insn_reg_weight1): New function. Move logic from
12688 find_insn_reg_weight to here.
12689 (reemit_notes, move_insn, max_issue): Change signature.
12690 (move_insn1): Removed.
12691 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
12692 extend_bb): New static functions to support extension of scheduler's
12694 (generate_recovery_code, process_insn_depend_be_in_spec,
12695 begin_speculative_block, add_to_speculative_block,
12696 init_before_recovery, create_recovery_block, create_check_block_twin,
12697 fix_recovery_deps): New static functions to support
12698 generation of recovery code.
12699 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
12700 restore_bb_notes, move_block_after_check, move_succs): New static
12701 functions to support ebb scheduling.
12702 (init_glat, init_glat1, attach_life_info1, free_glat): New static
12703 functions to support handling of register live information.
12704 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
12705 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
12706 add_jump_dependencies): New static functions.
12707 (check_cfg, has_edge_p, check_sched_flags): New static functions for
12708 consistancy checking.
12709 (debug_spec_status): New function to call from debugger.
12710 (priority): Added code to handle speculation checks.
12711 (rank_for_schedule): Added code to distinguish speculative instructions.
12712 (schedule_insn): Added code to handle speculation checks.
12713 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
12714 Fixed to handle ebbs.
12715 (move_insn): Added code to handle ebb scheduling.
12716 (max_issue): Added code to use ISSUE_POINTS of instructions.
12717 (choose_ready): Added code to choose between speculative and
12718 non-speculative instructions.
12719 (schedule_block): Added code to handle ebb scheduling and scheduling of
12720 speculative instructions.
12721 (sched_init): Initialize new variables.
12722 (sched_finish): Free new variables. Print statistics.
12723 (try_ready): Added code to handle speculative instructions.
12724 * lists.c (copy_DEPS_LIST_list): New function.
12725 * sched-deps.c (extend_dependency_caches): New function. Move logic
12726 from create_dependency_caches to here.
12727 (get_dep_weak, ds_merge): Make global.
12728 * genattr.c (main): Code to output prototype for
12729 dfa_clear_single_insn_cache.
12730 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
12731 (output_dfa_clean_insn_cache_func): Code to output
12732 dfa_clear_single_insn_cache function.
12733 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
12735 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
12737 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
12738 New static variables.
12739 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
12740 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
12742 (ebb_sched_info): Initialize new fields.
12743 (get_block_head_tail): Adjust all uses.
12744 (compute_jump_reg_dependencies): Fixed to use glat_start.
12745 (schedule_ebb): Code to remove unreachable last block.
12746 (schedule_ebbs): Added code to update register live information.
12747 * sched-rgn.c (region_sched_info): Initialize new fields.
12748 (get_block_head_tail): Adjust all uses.
12749 (last_was_jump): Removed. Adjust users.
12750 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
12751 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
12752 Implement new hooks.
12753 (check_dead_notes1): New static function.
12754 (struct region): New fields: dont_calc_deps, has_real_ebb.
12755 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
12756 (BB_TO_BLOCK): Fixed to handle EBBs.
12757 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
12758 (ebb_head): New static variable.
12759 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
12760 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
12762 (compute_dom_prob_ps): New assertion.
12763 (check_live_1, update_live_1): Fixed to work with glat_start instead of
12764 global_live_at_start.
12765 (init_ready_list): New assertions.
12766 (can_schedule_ready_p): Split update code to begin_schedule_ready.
12767 (new_ready): Add support for BEGIN_CONTROL speculation.
12768 (schedule_insns): Fixed code that updates register live information
12770 (schedule_region): Fixed to handle EBBs.
12771 (init_regions): Use extend_regions and check_dead_notes1.
12772 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
12773 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
12774 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
12775 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12776 TARGET_SCHED_GEN_CHECK,
12777 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12778 TARGET_SCHED_SET_SCHED_FLAGS): Document.
12779 * doc/invoke.texi (max-sched-insn-conflict-delay,
12780 sched-spec-prob-cutoff): Document.
12782 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12784 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
12785 inter_tick, queue_index.
12786 (struct sched_info): Change signature of init_ready_list field.
12787 Adjust all initializations.
12788 (RESOLVED_DEPS): New access macro.
12789 (ready_add): Remove prototype.
12790 (try_ready): Add prototype.
12791 * sched-rgn.c (init_ready_list): Use try_ready.
12792 (schedule_region): Initialize
12793 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
12794 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
12795 (init_ready_list): Use try_ready.
12796 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
12797 * lists.c (remove_list_elem): Remove `static'.
12798 (remove_free_INSN_LIST_elem): New function.
12799 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
12800 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
12801 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
12803 (readyp): New variable.
12804 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
12805 change_queue_index, resolve_dep): New static functions.
12806 (try_ready): New function. Adjust callers in sched-rgn.c and
12807 sched-ebb.c to use it instead of ready_add.
12808 (clock_var): Move at the begining of file.
12809 (rank_for_schedule): Fix typo.
12810 (queue_insn): Add assertion. Handle QUEUE_INDEX.
12811 (ready_lastpos): Enforce assertion.
12812 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
12813 update all callers.
12814 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
12815 (schedule_insn): Rewrite to use try_ready and resolve_dep.
12816 (queue_to_ready): Use free_INSN_LIST_list.
12817 (early_queue_to_ready): Fix typo.
12818 (schedule_block): Init readyp. Move init_ready_list call after the
12819 initialization of clock_var. Fix error in rejecting insn by
12820 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
12821 that previously corrected INSN_TICKs. Add code for handling
12823 (set_priorities): Fix typo.
12824 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
12825 Clarify comment and code that keeps current_sched_info->next_tail
12828 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12830 * sched-rgn.c (extend_rgns): New static function.
12831 (find_rgns): Use it.
12832 (gather_region_statistics, print_region_statistics): New static
12834 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
12835 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
12837 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12838 Andrey Belevantsev <abel@ispras.ru>
12840 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
12841 * lists.c (unused_deps_list): New variable.
12842 (free_list): Add assertions to verify the proper distinguishing
12843 between INSN_LISTs and DEPS_LISTs.
12844 (find_list_elem, remove_list_elem, remove_list_node): New static
12846 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
12847 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
12848 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
12849 (alloc_INSN_LIST): Assert that the list we're working on is indeed
12851 (free_INSN_LIST_node): Likewise.
12852 * modulo-sched.c (current_sched_info): Initialize flags field.
12853 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
12854 * rtl.def (DEPS_LIST): Define.
12855 * rtl.h: Declare new functions from lists.c.
12856 * sched-deps.c (spec_dependency_cache): New static variable.
12857 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
12858 (add_dependence): Change return type to void. Move the logic to ...
12859 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
12860 (delete_all_dependences): Add comment about forward_dependency_cache.
12861 Handle spec_dependency_cache. Handle DEPS_LISTs.
12862 (fixup_sched_groups): Clarify the change of priority of output
12863 and anti dependencies.
12864 (sched_analyze_2): Adjust add_dependence calls to create data
12865 speculative dependence.
12866 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
12867 Adjust all callers. Handle DEPS_LISTS.
12868 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
12869 presence of speculation.
12870 (init_dependency_caches, free_dependency_caches):
12871 Handle spec_dependency_cache.
12872 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
12873 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
12874 New static functions.
12875 (add_or_update_back_dep, add_or_update_back_forw_dep,
12876 add_back_forw_dep, delete_back_forw_dep): New functions.
12877 * sched-int.h (ds_t, dw_t): New typedefs.
12878 (struct sched_info): Add new field flags.
12879 (struct haifa_insn_data): Add new bitfield has_internal_dep.
12880 Prototype new sched-deps.c functions.
12881 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
12882 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
12883 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
12884 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
12885 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
12886 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
12888 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
12890 * sched-rgn.c (current_sched_info): Initialize flags field.
12891 (schedule_insns): Initialize current_sched_info before the sched_init
12893 * sched-ebb.c (current_sched_info): Initialize flags field.
12894 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
12895 Call add_or_update_back_dep instead of add_dependence.
12896 Create control speculative dependencies.
12897 (schedule_insns): Initialize current_sched_info before the sched_init
12900 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
12902 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
12904 (sh_fallback_frame_state): Likewise.
12906 2006-03-15 Geoffrey Keating <geoffk@apple.com>
12908 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
12909 Do switch on default_use_cxa_atexit.
12910 (powerpc*-*-darwin*): Build crt2.o on powerpc.
12911 * config/darwin-crt3.o: New.
12912 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
12913 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
12914 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
12916 * config/rs6000/t-darwin: Move crt2.o building to here.
12917 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
12918 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
12921 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12923 * config/vax/vax.c (nonindexed_address_p): Change logical negation
12924 from '! xxx' to '!xxx' for coding-style conformance.
12925 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
12926 (EXTRA_CONSTRAINT): Likewise.
12927 * config/vax/vax.md (four unnamed insns): Likewise.
12929 2006-03-15 Paul Brook <paul@codesourcery.com>
12931 * config/arm/arm.c (minipool_pad): New.
12932 (add_minipool_forward_ref): Include pool alignment padding in address
12934 (push_minipool_fix): Set minipool_pad.
12935 (minipool_pad): Ditto.
12937 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12939 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
12940 instead of GET_CODE() == MEM and REG_P() instead of
12942 (print_operand_address): Likewise.
12943 (vax_address_cost): Likewise.
12944 (vax_rtx_costs): Likewise.
12945 (vax_notice_update_cc): Likewise.
12946 (vax_output_int_add): Likewise.
12947 (INDEX_REGISTER_P): Likewise.
12948 (BASE_REGISTER_P): Likewise.
12949 (nonindexed_address_p): Likewise.
12950 (vax_mode_dependent_address_p): Likewise.
12951 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
12952 (PRINT_OPERAND): Likewise.
12953 * config/vax/vax.md (ashlsi3): Likewise.
12954 (ashlsi3): Likewise.
12955 (some more unnamed insns): Likewise.
12957 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
12959 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
12960 iterator-style macro.
12961 (mark_control_dependent_edges_necessary): Update the use of
12962 EXECUTE_IF_CONTROL_DEPENDENT.
12964 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
12966 * config/sh/predicates.md (cache_address_operand): Special.
12967 (ua_address_operand): Likewise.
12969 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
12971 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
12973 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
12975 2006-03-15 Andreas Schwab <schwab@suse.de>
12977 * gensupport.c (identify_predicable_attribute): Don't free p_false
12978 when it is still in use.
12980 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
12982 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
12983 the default setting here.
12985 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
12987 * tree-pass.h (pass_cfg): Remove.
12988 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
12989 * passes.c (pass_cfg): Don't run it.
12991 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
12993 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
12994 * reg-stack.c (stack_regs_mentioned_data): Change the type to
12996 (stack_regs_mentioned): Update the uses of
12997 stack_regs_mentioned_data. Don't access the array beyond its
12999 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
13000 Don't include gt-reg-stack.h.
13002 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
13003 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
13005 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
13007 PR middle-end/26684
13008 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
13011 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13013 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
13015 2006-03-14 Richard Guenther <rguenther@suse.de>
13017 PR tree-optimization/26672
13018 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
13021 2006-03-14 Richard Guenther <rguenther@suse.de>
13023 PR tree-optimization/26667
13024 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
13025 node for the callees. Always allow inlining if it will shrink
13028 2006-03-14 Richard Guenther <rguenther@suse.de>
13030 PR middle-end/26659
13031 * builtins.c (get_pointer_alignment): Prefer alignment
13032 information from decls over that from types.
13034 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
13037 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
13039 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
13041 * config/rs6000/rs6000.opt (mdlmzb): New option.
13042 (msched-prolog, msched-epilog): Use Var not Mask.
13043 * doc/invoke.texi (-mdlmzb): Document.
13044 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
13046 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
13047 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
13049 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
13051 PR rtl-optimization/25739
13052 * bt-load.c (augment_live_range): Free tos pointer.
13054 * gensupport.c (identify_predicable_attribute): Free
13056 * gcov.c (create_file_names): Free name pointer.
13058 2006-03-13 Roger Sayle <roger@eyesopen.com>
13060 PR middle-end/26557
13061 * stmt.c (emit_case_nodes): Handle the case where the index is a
13062 CONST_INT, where the comparison mode is specified by the index type.
13064 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13066 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
13069 2006-03-13 Richard Sandiford <richard@codesourcery.com>
13071 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
13072 (*branch_fp_inverted): Likewise.
13074 2006-03-13 Jakub Jelinek <jakub@redhat.com>
13076 PR middle-end/25989
13077 * omp-low.c (expand_omp_for_generic): Mark istart0
13078 and iend0 as addressable.
13080 2006-03-13 Jie Zhang <jie.zhang@analog.com>
13082 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
13084 2006-03-13 Jeff Law <law@redhat.com>
13086 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
13087 virtual operands are interesting.
13088 (vrp_visit_stmt): Corresponding changes.
13090 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
13092 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
13094 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
13095 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
13096 * config/bfin/crti.S: Use it instead of __PIC__.
13097 * config/bfin/crtn.S: Likewise.
13099 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
13100 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
13102 Lose 'G' modifier for call operand.
13103 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
13104 recognize 'G' modifier.
13106 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
13108 PR middle-end/18859
13109 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
13110 * stmt.c (expand_case): Likewise.
13112 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13114 PR rtl-optimization/26254
13115 * loop-invariant.c (seq_insns_valid_p): New function.
13116 (move_invariant_reg): Only emit new code if it is valid.
13118 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13120 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
13122 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
13123 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
13124 (commit_one_edge_insertion): Do not look for loop notes.
13126 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13128 * jump.c (follow_jumps): Do not check for loop notes. Move check for
13129 flag_test_coverage out of loop.
13131 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13133 * final.c (shorten_branches): Remove outdated comment, and turn
13134 the if branch that guards it to continue.
13136 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13138 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
13139 * cfgloop.h (struct loop): Remove unused fields.
13141 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
13143 * doc/invoke.texi (-fdump-rtl-loop): Remove.
13144 (-dL, -fdump-rtl-loop2): Update the dump file names
13146 * doc/invoke.texi: Update dump file names.
13148 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
13150 * predict.c (estimate_probability): Remove.
13151 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
13152 * basic-block.h (estimate_probability): Remove prototype.
13153 * passes.c (finish_optimization_passes): Dump branch prediction or
13154 profiling heuristics to the .profile tree dump.
13155 (init_optimization_passes): Unqueue pass_branch_prob.
13157 * doc/invoke.texi (-fdump-rtl-bp): Remove.
13159 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13161 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
13162 * rtl.h (LABEL_NEXTREF): Remove field accessor.
13164 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
13166 * function.h (frame_offset_overflow): Declare.
13167 * function.c (frame_offset_overflow): New function.
13168 (assign_stack_local_1): Call it to detect that the offset overflows.
13169 * cfgexpand.c (alloc_stack_frame_space): Likewise.
13171 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13173 * config/sh/sh.c: Include alloc-pool.h.
13174 (label_ref_list_pool): New alloc pool.
13175 (label_ref_list_t): New type for lists of labels.
13176 (struct pool_node): Make wend a label_ref_list_t.
13177 (add_constant): Use the new type, eradicate LABEL_NEXTREF
13179 (dump_table): Likewise.
13180 (sh_reorg): Set up the alloc pool before using add_constant and
13181 dump_table, and destroy it when finishing.
13183 2006-03-11 Richard Sandiford <richard@codesourcery.com>
13185 * config/mips/mips.c: Remove redundant comment.
13187 2006-03-10 Jason Merrill <jason@redhat.com>
13190 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
13191 the target was declared 'register'.
13193 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
13195 * genpreds.c (write_insn_constraint_len): Change definition of
13196 insn_constraint_len to return size_t to match the declaration.
13198 2006-03-10 DJ Delorie <dj@redhat.com>
13200 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
13202 (m32c_expand_insv): Fix test for an AND mask.
13204 2006-03-10 Richard Guenther <rguenther@suse.de>
13206 PR middle-end/26565
13207 * builtins.c (get_pointer_alignment): Handle component
13208 references for field alignment.
13210 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13212 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
13213 when building with libgloss.
13214 (sh*elf): Implement --without-fp option.
13215 (sh64-superh-linux*): Don't multilib.
13217 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13219 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
13221 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
13223 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
13224 Set it when one of the replacement functions returned true.
13225 Return TODO_cleanup_cfg if cfgchanged is true.
13226 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
13228 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
13230 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
13231 instead of gen_lowpart.
13233 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13235 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
13237 (mips_output_order_conditional_branch): Declare.
13238 * config/mips/mips.h (MIPS_BRANCH): New macro.
13239 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
13240 for the comparison. Use gen_condjump.
13241 (mips_output_conditional_branch): Rework interface to take the
13242 asm templates for a direct branch and the inverse of a direct branch.
13243 (mips_output_order_conditional_branch): New function.
13244 (mips_builtin_branch_and_move): New function.
13245 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
13246 branch condition. Use gen_single_cc as the condition for
13247 __builtin_mips_upper_* or __builtin_mips_lower_*.
13248 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
13249 Use VOIDmode for the branch condition.
13250 * config/mips/predicates.md (order_operator): New predicate.
13251 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
13252 (branch_fp): Rename to...
13253 (*branch_fp): ...this. Remove mode from comparison operator.
13254 Use new mips_output_conditional_branch interface.
13255 (branch_fp_inverted): Rename to...
13256 (*branch_fp_inverted): ...this and update as for *branch_fp.
13257 (*branch_zero<mode>): Rename to...
13258 (*branch_order<mode>): ...this. Remove mode from comparison operator.
13259 Use mips_output_order_conditional_branch. Only accept ordered
13261 (*branch_zero<mode>_inverted): Rename to...
13262 (*branch_order<mode>_inverted): ...this and update as for
13263 *branch_order<mode>.
13264 (*branch_equality<mode>): Accept zero as the second operand to
13265 the equality operator. Use the new mips_output_conditional_branch
13267 (*branch_equality<mode>_inverted): Likewise.
13268 (condjump): New expander.
13269 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
13271 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
13272 (bc1any2t, bc1any2f): Likewise.
13273 (single_cc): New expander.
13274 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
13276 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13278 * doc/md.texi: Update documentation of MIPS constraints.
13279 * config/mips/constraints.md: New file.
13280 * config/mips/mips.md: Include it.
13281 * config/mips/mips.c (mips_char_to_class): Delete.
13282 (override_options): Don't initialize mips_char_to_class.
13283 * config/mips/mips.h (mips_char_to_class): Delete.
13284 (REG_CLASS_FROM_LETTER): Delete.
13285 (CONST_OK_FOR_LETTER_P): Delete.
13286 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13287 (EXTRA_CONSTRAINT_Y): Delete.
13288 (EXTRA_CONSTRAINT_STR): Delete.
13289 (CONSTRAINT_LEN): Delete.
13290 (EXTRA_MEMORY_CONSTRAINT): Delete.
13292 2006-03-09 Diego Novillo <dnovillo@redhat.com>
13294 * tree-cfg.c (move_block_to_fn): Remove the statements from the
13295 original fn's eh regions.
13297 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
13299 * fold-const.c (build_range_check): Make sure to use a valid type to
13300 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
13303 (range_predecessor): New static function.
13304 (range_successor): Likewise.
13305 (merge_ranges): Use them to compute predecessors and successors of
13308 2006-03-09 Roger Sayle <roger@eyesopen.com>
13310 PR middle-end/26561
13311 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
13312 X op C3, consider whether C3 overflows towards +Inf or -Inf.
13314 2006-03-08 DJ Delorie <dj@redhat.com>
13316 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
13317 (addpsi3): Expand to include memory operands. Remove
13318 reload-specific splits.
13319 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
13320 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
13321 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
13322 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
13323 (shift1_qi, shift1_hi, insv): New.
13324 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
13325 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
13326 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
13328 * config/m32c/m32c-protos.h: Update as needed.
13329 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
13330 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
13331 Fail for unrecognized R* constraints.
13332 (m32c_cannot_change_mode_class): Be more picky about pseudos.
13333 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
13334 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
13336 (m32c_init_libfuncs): New.
13337 (m32c_legitimate_address_p): Add debug wrapper.
13338 (m32c_rtx_costs): New.
13339 (m32c_address_cost): New.
13340 (conversions): Add 'B' prefix.
13341 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
13342 operands, or word regnames for QI operands. 'B' prints bit
13344 (m32c_expand_setmemhi): New.
13345 (m32c_expand_movmemhi): New.
13346 (m32c_expand_movstr): New.
13347 (m32c_expand_cmpstr): New.
13348 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
13349 (m32c_expand_neg_mulpsi3): Handle non-ints.
13350 (m32c_cmp_flg_0): New.
13351 (m32c_expand_movcc): New.
13352 (m32c_expand_insv): New.
13353 (m32c_scc_pattern): New.
13354 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
13355 a0/a1 out of SIregs.
13356 (STORE_FLAG_VALUE): New.
13357 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
13360 * config/m32c/mov.md: Make constraints more liberal.
13361 (zero_extendqihi2): Optimize r0/r1 case.
13362 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
13363 * config/m32c/predicates.md (m32c_any_operand): New.
13364 (m32c_nonimmediate_operand): New.
13365 (m32c_hl_operand): New.
13366 (m32c_r3_operand): New.
13369 (memsym_operand): New.
13370 (memimmed_operand): New.
13371 (a_qi_operand): New.
13372 (m32c_eqne_operator): New.
13373 (m32c_1bit8_operand): New.
13374 (m32c_1bit16_operand): New.
13375 (m32c_1mask8_operand): New.
13376 (m32c_1mask16_operand): New.
13377 * config/m32c/blkmov.md: New file.
13378 * config/m32c/t-m32c (MD_FILES): Add blkmov.
13380 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
13382 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
13383 unsigned to fix signed/unsigned comparison issue in
13384 DWARF2_FRAME_REG_OUT.
13385 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
13386 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
13388 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
13389 of ptr into the ENABLE_CHECKING section.
13391 2006-03-08 Jeff Law <law@redhat.com>
13393 * tree-vrp.c (infer_value_range): Only count pointer uses
13394 and dereferences if -fdelete-null-pointer-checks is enabled.
13396 * tree-vrp.c (find_assert_locations): Infer value ranges for
13397 single use pointers, but do not create ASSERT_EXPRs for them.
13398 When a non-null range is inferred for a pointer, backwards
13399 propagate that range to other equivalent pointers through the
13402 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
13405 * Makefile.in (dvi, html, install-info): Invoke the corresponding
13406 language hook targets.
13407 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
13408 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
13409 if language hook targets were missing.
13411 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
13413 * tree-ssa-opfinalize.h: Removed.
13414 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
13416 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
13417 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
13418 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
13419 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
13420 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
13421 finalize_ssa_v_must_def_ops): New.
13423 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
13425 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
13426 block as parameter.
13428 2006-03-07 Geoffrey Keating <geoffk@apple.com>
13430 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
13432 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
13433 addresses with offsets; reorganize.
13435 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
13436 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
13437 (expand_builtin_init_dwarf_reg_sizes): Likewise.
13439 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
13442 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
13444 2006-03-08 Ben Elliston <bje@au.ibm.com>
13446 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
13448 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
13451 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
13454 2006-03-07 Richard Guenther <rguenther@suse.de>
13456 PR tree-optimization/26587
13457 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
13459 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13461 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
13463 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13465 * hooks.c (hook_bool_mode_rtx_true): New function.
13466 * hooks.h (hook_bool_mode_rtx_true): Declare.
13467 * toplev.c (compile_file): Call output_shared_constant_pool.
13468 * varasm.c (shared_constant_pool): New variable.
13469 (assemble_start_function, assemble_end_function): Remove arguments
13470 from call to output_constant_pool.
13471 (create_constant_pool): New function, split out from...
13472 (init_varasm_status): ...here.
13473 (force_const_mem): Choose between the shared and per-function constant
13474 pools. Set current_function_uses_const_pool when reusing old entries
13475 as well as when creating new ones.
13476 (mark_constant): Ignore data argument.
13477 (mark_constants): Remove pool argument.
13478 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
13479 to decide whether the function uses a constant pool.
13480 (output_constant_pool_contents): New function, split out from...
13481 (output_constant_pool): ...here.
13482 (output_shared_constant_pool): New function.
13483 (init_varasm_once): Initialize shared_constant_pool.
13484 * output.h (output_constant_pool): Delete.
13485 (output_shared_constant_pool): Declare.
13486 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
13487 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
13489 2006-03-06 Nick Clifton <nickc@redhat.com>
13491 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
13492 flag_strength_reduce.
13494 2006-03-06 Ben Elliston <bje@au.ibm.com>
13496 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
13497 x86_64-*-linux* configurations.
13499 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
13500 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
13502 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13504 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
13506 * basic-block.h: Remove the extern for
13507 rediscover_loops_after_threading.
13509 * cfgloop.c (cancel_loop): Make it static.
13510 * cfgloop.h: Remove the prototype for cancel_loop.
13512 * flow.c (recompute_reg_usage): Make it static.
13513 * rtl.h: Remove the prototype for recompute_reg_usage.
13515 * function.c (use_return_register): Make it static.
13516 * function.h: Remove the prototype.
13518 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13520 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
13522 * recog.h: Remove the prototype for
13523 validate_change_maybe_volatile.
13525 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13527 * rtlanal.c (replace_reg): Remove.
13528 * rtl.h: Remove the prototype for replace_reg.
13530 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13532 * regclass.c (reg_scan_update): Remove.
13533 (reg_scan_mark_refs): Remove the last argument.
13534 * rtl.h: Remove the prototype for reg_scan_update.
13536 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13538 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
13539 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
13540 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
13541 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
13542 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
13543 loop-invariant.c, omp-low.c, opts.c, passes.c,
13544 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
13545 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
13546 tree-ssa-structalias.c, tree-ssa-threadedge.c,
13547 tree-ssa-threadupdate.c, tree-vect-patterns.c,
13548 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
13549 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
13551 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13553 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
13554 * dwarf2out.h: Remove the prototype for
13555 dwarf2out_add_library_unit_info.
13557 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13559 * tree.c (add_var_to_bind_expr): Remove.
13560 * tree.h: Remove the prototype for add_var_to_bind_expr.
13562 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13564 * regclass.c (n_non_fixed_regs): Remove.
13565 (init_reg_sets_1, globalize_reg): Remove all uses of
13567 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
13569 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13571 * rtlanal.c (insns_safe_to_move_p): Remove.
13572 * rtl.h: Remove the prototype for insns_safe_to_move_p.
13574 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13576 * expmed.c (expand_mult_add): Remove.
13577 * expr.h: Remove the prototype for expand_mult_add.
13579 2006-03-04 Jakub Jelinek <jakub@redhat.com>
13581 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
13582 and REG_SAVED_VAL_EXP constants.
13583 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
13584 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
13585 Handle regs stored by value.
13586 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
13587 (execute_cfa_program): Handle DW_CFA_val_offset,
13588 DW_CFA_val_offset_sf and DW_CFA_val_expression.
13589 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
13590 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
13591 (uw_install_context_1): Handle target regs stored by value.
13593 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
13595 * tree-sra.c (tree_sra): Return todoflags;
13596 (generate_one_element): Set TODO_update_smt_usage if needed.
13597 (pass_sra): Remove TODO_update_smt_usage.
13598 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
13600 (tree_ssa_forward_propagate_single_use_vars): Return
13601 TODO_update_smt_usage if we need to update SMT usage.
13602 (pass_forwprop): Remove TODO_update_smt_usage.
13604 2006-03-03 Diego Novillo <dnovillo@redhat.com>
13606 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
13607 (correct_use_link): Remove reference to get_stmt_operands.
13608 (update_stmt_operands): Likewise.
13609 (get_modify_expr_operands): New function factored out of
13610 parse_ssa_operands and get_expr_operands.
13611 Try to create V_MUST_DEFs for LHS by default.
13612 (get_expr_operands) <case MODIFY_EXPR>: Call
13613 get_modify_expr_operands.
13614 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
13615 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
13616 (parse_ssa_operands) <case MODIFY_EXPR>: Call
13617 get_modify_expr_operands.
13619 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
13621 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
13622 * tree-flow.h: Remove the prototype for
13623 referenced_var_lookup_if_exists.
13625 2006-03-03 Steve Ellcey <sje@cup.hp.com>
13627 PR rtl-optimization/26345
13629 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
13631 2006-03-03 Roger Sayle <roger@eyesopen.com>
13633 PR tree-optimization/26524
13634 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
13635 fold_convert to create a constant of the appropriate type.
13637 2006-03-03 Richard Sandiford <richard@codesourcery.com>
13639 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13640 SYMBOL_REF_IN_BLOCK_P.
13641 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
13642 of SYMBOL_FLAG_IN_BLOCK.
13643 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
13644 instead of SYMBOL_REF_IN_BLOCK_P.
13645 * explow.c (use_anchored_address): Likewise.
13646 * rtl.c (rtx_size): Likewise.
13647 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
13648 instead of SYMBOL_FLAG_IN_BLOCK.
13649 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13650 SYMBOL_REF_IN_BLOCK_P.
13651 (assemble_variable): Likewise.
13652 (output_constant_def_contents): Likewise.
13653 (output_constant_pool): Likewise.
13654 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
13655 instead of SYMBOL_FLAG_IN_BLOCK.
13656 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13657 SYMBOL_REF_IN_BLOCK_P.
13658 (SYMBOL_REF_BLOCK): Likewise.
13659 (SYMBOL_REF_OFFSET): Likewise.
13660 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13661 SYMBOL_REF_IN_BLOCK_P.
13662 (SYMBOL_FLAG_IN_BLOCK): Replace with...
13663 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
13664 (SYMBOL_REF_IN_BLOCK_P): Replace with...
13665 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
13667 2006-03-03 Jakub Jelinek <jakub@redhat.com>
13669 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
13671 2006-03-02 Roger Sayle <roger@eyesopen.com>
13673 * simplify-rtx.c (simplify_unary_operation): When simplifying
13674 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
13675 that we perform the right shift in the appropriate mode, and
13676 then extend or truncate the result to requested mode.
13678 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
13680 * gengtype.c (main): Handle double_int type.
13681 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
13682 * double-int.c: New file.
13683 * double-int.h: New file.
13684 * system.h: Include doubleint.h.
13685 * Makefile.in (SYSTEM_H): Include double-int.h.
13686 (double-int.o): Add.
13688 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
13691 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
13694 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13696 * tree-vrp.c (remove_range_assertions): Do not update statements
13699 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13701 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
13703 * gcse.c (rest_of_handle_gcse): Ditto.
13704 * except.c (gate_handle_eh): Ditto.
13705 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
13706 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
13708 2006-03-02 Eric Christopher <echristo@apple.com>
13710 * config/i386/i386.c (machopic_output_stub): Add indirection to
13713 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13717 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
13719 Sun Niagara specific optimizations.
13720 * config.gcc: Recognize niagara as target.
13721 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
13722 (TARGET_CPU_niagara): Define.
13723 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
13724 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
13725 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13726 (ASM_CPU_SPEC): Likewise.
13727 (PROCESSOR_NIAGARA): New enum entry.
13728 (REGISTER_MOVE_COST): Handle Niagara.
13729 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
13730 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
13731 (sparc_override_options): Recognize "niagara", set appropriate
13732 default MASK_* values for it, and align functions to 32-bytes
13733 by default just like ULTRASPARC/ULTRASPARC3.
13734 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
13735 (sparc64_initialize_trampoline): Likewise.
13736 (sparc_use_sched_lookahead): Use zero for niagara.
13737 (sparc_issue_rate): Use one for niagara.
13738 * config/sparc/niagara.md: New file.
13739 * config/sparc/sparc.md: Include it.
13740 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
13741 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
13742 when default cpu is niagara.
13743 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13744 (ASM_CPU_SPEC): Likewise.
13745 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
13746 when default cpu is niagara.
13747 (ASM_CPU_SPEC): Handle -mcpu=niagara.
13748 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
13749 just like v9/ultrasparc/ultrasparc3.
13750 * doc/invoke.texi: Add documentation for "niagara" and improve
13751 existing documentation for ultrasparc variants.
13753 2006-03-02 Diego Novillo <dnovillo@redhat.com>
13755 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
13757 2006-03-02 Richard Sandiford <richard@codesourcery.com>
13759 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
13760 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
13761 and say that only one is needed.
13762 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
13763 * target.h (have_switchable_bss_sections): New hook.
13764 * explow.c (use_anchored_address): Check that the symbol is in a block.
13765 * varasm.c (tls_comm_section, comm_section, lcomm_section)
13766 (bss_noswitch_section): New variables.
13767 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
13768 (get_noswitch_section): New function.
13769 (get_block_for_section): Allow SECT to be null.
13770 (unlikely_text_section_p): Use SECTION_STYLE.
13771 (bss_initializer_p): New function.
13772 (get_variable_section): Move earlier in file. Take a new argument,
13773 prefer_noswitch_p. Move bss checks from assemble_variable to here.
13774 Return one of the new *_sections in such cases.
13775 (get_block_for_decl): New function, extracting some logic from
13776 use_blocks_for_decl_p.
13777 (change_symbol_section): Remove in favor of...
13778 (change_symbol_block): ...this new function.
13779 (use_blocks_for_decl_p): Remove checks now performed by
13780 get_block_for_decl.
13781 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
13782 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
13783 (emit_local, emit_bss, emit_common): ...these new functions.
13784 Return true if the alignment was honored.
13785 (emit_tls_common): New function.
13786 (asm_emit_uninitialised): Delete.
13787 (assemble_variable_noswitch): New function, split out from...
13788 (assemble_variable): ...here. Don't make decisions about common
13789 variables here. Globalize all public decls that go into non-common
13790 sections. Check whether SYMBOL_REF_BLOCK is null.
13791 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
13792 (output_constant_pool): Likewise.
13793 (init_varasm_once): Initialize the new section variables.
13794 (have_global_bss_p): New function.
13795 (categorize_decl_for_section): Use bss_initializer_p.
13796 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
13797 (place_block_symbol): Assert that the symbol must be in a block.
13798 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
13799 (TARGET_INITIALIZER): Include it.
13800 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
13801 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
13802 (SECTION_MACH_DEP): Bump by two.
13803 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
13804 (unnamed_section): Mention SECTION_UNNAMED in comment.
13805 (named_section): Likewise SECTION_NAMED.
13806 (noswitch_section_callback): New type.
13807 (noswitch_section): New structure.
13808 (section): Add a noswitch_section alternative.
13809 (SECTION_STYLE): New macro.
13810 (tls_comm_section, comm_section, lcomm_section): Declare.
13811 (bss_noswitch_section, have_global_bss_p): Declare.
13812 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13813 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13815 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13816 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13819 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
13821 * tree-vrp.c (execute_vrp): Return value.
13822 * regrename.c (rest_of_handle_regrename): Ditto.
13823 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
13824 * tree-complex.c (tree_lower_complex): Ditto.
13825 (tree_lower_complex_O0): Ditto.
13826 * tracer.c (rest_of_handle_tracer): Ditto.
13827 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
13828 * postreload.c (rest_of_handle_postreload): Ditto.
13829 * tree-tailcall.c (execute_tail_recursion): Ditto.
13830 (execute_tail_calls): Ditto.
13831 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13832 * tree.h (init_function_for_compilation): Ditto.
13833 * ipa-cp.c (ipcp_driver): Ditto.
13834 * tree-scalar-evolution.c (scev_const_prop): Ditto.
13835 * tree-scalar-evolution.h (scev_const_prop): Ditto.
13836 * final.c (compute_alignments): Ditto.
13837 (rest_of_handle_final): Ditto.
13838 (rest_of_handle_shorten_branches): Ditto.
13839 (rest_of_clean_state): Ditto.
13840 * omp-low.c (execute_expand_omp): Ditto.
13841 (execute_lower_omp): Ditto.
13842 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
13843 * ipa-reference.c (static_execute): Ditto.
13844 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
13845 * reorg.c (rest_of_handle_delay_slots): Ditto.
13846 (rest_of_handle_machine_reorg): Ditto.
13847 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
13848 * flow.c (recompute_reg_usage): Ditto.
13849 (rest_of_handle_remove_death_notes): Ditto.
13850 (rest_of_handle_life): Ditto.
13851 (rest_of_handle_flow2): Ditto.
13852 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
13853 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
13854 (do_ssa_store_ccp): Ditto.
13855 (execute_fold_all_builtins): Ditto.
13856 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
13857 * modulo-sched.c (rest_of_handle_sms): Ditto.
13858 * ipa-pure-const.c (static_execute): Ditto.
13859 * cse.c (rest_of_handle_cse): Ditto.
13860 (rest_of_handle_cse2): Ditto.
13861 * web.c (rest_of_handle_web): Ditto.
13862 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
13863 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
13864 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
13865 * tree-nrv.c (tree_nrv): Ditto.
13866 (execute_return_slot_opt): Ditto.
13867 * tree-ssa-alias.c (compute_may_aliases): Ditto.
13868 (create_structure_vars): Ditto.
13869 * loop-init.c (rtl_loop_init): Ditto.
13870 (rtl_loop_done): Ditto.
13871 (rtl_move_loop_invariants): Ditto.
13872 (rtl_unswitch): Ditto.
13873 (rtl_unroll_and_peel_loops): Ditto.
13874 (rtl_doloop): Ditto.
13875 * gimple-low.c (lower_function_body): Ditto.
13876 (mark_used_blocks): Ditto.
13877 * tree-ssa-sink.c (execute_sink_code): Ditto.
13878 * ipa-inline.c (cgraph_decide_inlining): Ditto.
13879 (cgraph_early_inlining): Ditto.
13880 * global.c (rest_of_handle_global_alloc): Ditto.
13881 * jump.c (cleanup_barriers): Ditto.
13882 (purge_line_number_notes): Ditto.
13883 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
13884 (rest_of_handle_if_after_reload): Ditto.
13885 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
13886 (tree_ssa_loop_im): Ditto.
13887 (tree_ssa_loop_unswitch): Ditto.
13888 (tree_vectorize): Ditto.
13889 (tree_linear_transform): Ditto.
13890 (tree_ssa_loop_ivcanon): Ditto.
13891 (tree_ssa_empty_loop): Ditto.
13892 (tree_ssa_loop_bounds): Ditto.
13893 (tree_complete_unroll): Ditto.
13894 (tree_ssa_loop_prefetch): Ditto.
13895 (tree_ssa_loop_ivopts): Ditto.
13896 (tree_ssa_loop_done): Ditto.
13897 * predict.c (tree_estimate_probability): Ditto.
13898 * recog.c (split_all_insns_noflow): Ditto.
13899 (rest_of_handle_peephole2): Ditto.
13900 (rest_of_handle_split_all_insns): Ditto.
13901 * tree-eh.c (lower_eh_constructs): Ditto.
13902 * regmove.c (rest_of_handle_regmove): Ditto.
13903 (rest_of_handle_stack_adjustments): Ditto.
13904 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
13905 * function.c (instantiate_virtual_regs): Ditto.
13906 (init_function_for_compilation): Ditto.
13907 (rest_of_handle_check_leaf_regs): Ditto.
13908 * gcse.c (rest_of_handle_jump_bypass): Ditto.
13909 (rest_of_handle_gcse): Ditto.
13910 * ipa-type-escape.c (type_escape_execute): Ditto.
13911 * alias.c (rest_of_handle_cfg): Ditto.
13912 * tree-if-conv.c (main_tree_if_conversion): Ditto.
13913 * profile.c (rest_of_handle_branch_prob): Ditto.
13914 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
13915 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
13916 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
13917 * tree-dfa.c (find_referenced_vars): Ditto.
13918 * except.c (set_nothrow_function_flags): Ditto.
13919 (convert_to_eh_region_ranges): Ditto.
13920 (rest_of_handle_eh): Ditto.
13921 * emit-rtl.c (unshare_all_rtl): Ditto.
13922 (remove_unnecessary_notes): Ditto.
13923 * except.h (set_nothrow_function_flags): Ditto.
13924 (convert_to_eh_region_ranges): Ditto.
13925 * cfgexpand.c (tree_expand_cfg): Ditto.
13926 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
13927 * tree-ssa-pre.c (do_pre): Ditto.
13928 (execute_fre): Ditto.
13929 * cfgcleanup.c (rest_of_handle_jump): Ditto.
13930 (rest_of_handle_jump2): Ditto.
13931 * tree-sra.c (tree_sra): Ditto.
13932 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
13933 (execute_mudflap_function_decls): Ditto.
13934 * tree-ssa-copy.c (do_copy_prop): Ditto.
13935 (do_store_copy_prop): Ditto.
13936 * ipa-prop.h (ipcp_driver): Ditto.
13937 * cfglayout.c (insn_locators_initialize): Ditto.
13938 * tree-ssa-forwprop.c
13939 (tree_ssa_forward_propagate_single_use_vars): Ditto.
13940 * cfglayout.h (insn_locators_initialize): Ditto.
13941 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
13942 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
13943 (execute_late_warn_uninitialized): Ditto.
13944 * rtl.h (cleanup_barriers): Ditto.
13945 (split_all_insns_noflow): Ditto.
13946 (purge_line_number_notes): Ditto.
13947 (unshare_all_rtl): Ditto.
13948 (remove_unnecessary_notes): Ditto.
13949 (recompute_reg_usage): Ditto.
13950 (variable_tracking_main): Ditto.
13951 * integrate.c (emit_initial_value_sets): Ditto.
13952 * integrate.h (emit_initial_value_sets): Ditto.
13953 * tree-optimize.c (execute_free_datastructures): Ditto
13954 (execute_free_cfg_annotations): Ditto.
13955 (execute_fixup_cfg): Ditto.
13956 (execute_cleanup_cfg_pre_ipa): Ditto.
13957 (execute_cleanup_cfg_post_optimizing): Ditto.
13958 (execute_init_datastructures): Ditto.
13959 * tree-object-size.c (compute_object_sizes): Ditto.
13960 * combine.c (rest_of_handle_combine): Ditto.
13961 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
13962 * bb-reorder.c (duplicate_computed_gotos): Ditto.
13963 (rest_of_handle_reorder_blocks): Ditto.
13964 (rest_of_handle_partition_blocks): Ditto.
13965 * var-tracking.c (variable_tracking_main): Ditto.
13966 * tree-profile.c (tree_profiling): Ditto.
13967 * tree-vect-generic.c (expand_vector_operations): Ditto.
13968 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
13969 * sched-rgn.c (rest_of_handle_sched): Ditto.
13970 (rest_of_handle_sched2): Ditto.
13971 * basic-block.h (free_bb_insn): Ditto.
13972 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
13973 * tree-cfg.c (execute_build_cfg): Ditto.
13974 (remove_useless_stmts): Ditto.
13975 (split_critical_edges): Ditto.
13976 (execute_warn_function_return): Ditto.
13977 (execute_warn_function_noreturn): Ditto.
13978 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
13979 * cfgrtl.c (free_bb_for_insn): Ditto.
13980 * passes.c (execute_one_pass): Run additional
13981 todos returned by execute function.
13982 * tree-pass.h (struct tree_opt_pass): Make execute
13985 2006-03-02 Richard Guenther <rguenther@suse.de>
13987 * tree-ssa-alias.c (find_used_portions): Consider taking
13988 the address as making the variable not write-only.
13990 2006-03-02 Nick Clifton <nickc@redhat.com>
13992 * config.gcc (default_use_cxa_atexit): Extend the description of
13993 this configure variable. Set its default value to "yes" for
13994 Linux, NetBSD and ELF targets on the assumption that they will
13995 use C libraries with the __cxa_atexit function.
13997 2006-03-02 Ben Elliston <bje@au.ibm.com>
13999 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
14000 parameter as unused to suppress a build warning.
14002 2006-03-02 Ben Elliston <bje@au.ibm.com>
14004 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
14007 2006-03-01 Roger Sayle <roger@eyesopen.com>
14010 * gthr-posix.h (__gthrw2): Define to take three parameters, the
14011 declared name, the weak reference name, and the typeof name.
14012 (__gthrw): Avoid expanding the declared name suffix.
14013 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
14015 2006-03-01 Jakub Jelinek <jakub@redhat.com>
14017 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
14019 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
14020 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
14021 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
14022 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
14023 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
14024 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
14025 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
14026 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
14027 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
14028 DW_DS_leading_separate, DW_DS_trailing_separate): New.
14029 (DW_END_default, DW_END_big, DW_END_little): New.
14030 (DW_END_lo_user, DW_END_hi_user): Define.
14031 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
14032 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
14033 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
14036 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14038 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
14040 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
14042 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
14044 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
14046 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
14047 to 'symbol_mem_tag'.
14049 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
14052 2006-03-01 Roger Sayle <roger@eyesopen.com>
14054 * builtins.c (fold_builtin_copysign): Delete unreachable code.
14056 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14059 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
14060 MACHO_DYNAMIC_NO_PIC_P.
14061 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
14063 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14066 * config/darwin-protos.h (darwin_asm_output_anchor):
14068 * config/darwin-sections.def (cstring_section):
14069 Add SECTION_MERGE to the flags.
14070 (literal4_section): Likewise.
14071 (literal8_section): Likewise.
14072 (objc_selector_refs_section): Likewise.
14073 (objc_cls_refs_section): Likewise.
14074 * config/darwin.c (darwin_asm_output_anchor): New
14076 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14078 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
14080 Fix PR tree-optimization/26443
14081 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
14082 to todo and PROP_tmt_usage to properties_destroyed.
14083 * tree-ssa-ccp.c (pass_ccp): Ditto.
14084 (pass_store_ccp): Ditto.
14085 * tree-ssa-dom.c (pass_dominator): Ditto.
14087 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14089 * tree-ssa-operands.c: Cleanup whitespace.
14090 (get_asm_expr_operands): Move before first invocation.
14091 (get_indirect_ref_operands): Likewise.
14092 (get_tmr_operands): Likewise.
14093 (get_call_expr_operands): Likewise.
14094 (append_def): Likewise.
14095 (append_use): Likewise.
14096 (append_v_may_def): Likewise.
14097 (append_v_must_def): Likewise.
14098 (add_call_clobber_ops): Likewise.
14099 (add_call_read_ops): Likewise.
14100 (add_stmt_operand): Likewise.
14101 (add_virtual_operand): Likewise.
14102 (build_ssa_operands): Likewise.
14104 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14106 PR middle-end/26022
14108 PR middle-end/24437
14109 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14110 with a call expr to ...
14111 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14113 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14115 * tree-vrp.c (extract_range_from_assert): Remove special
14116 handling for types with super-types.
14118 2006-03-01 Ben Elliston <bje@au.ibm.com>
14120 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
14121 and powerpc64-*-linux* configurations.
14122 * config/t-dfprules: New file.
14124 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
14125 Compile dfp-bit.c from the source directory using -DWIDTH and
14126 $DFP_CFLAGS to control the compilation of that file, rather than
14127 generating width-specific versions in the build directory.
14128 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
14129 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
14131 2006-02-28 Zack Weinberg <zackw@panix.com>
14133 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
14136 2006-02-28 Eric Christopher <echristo@apple.com>
14138 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
14139 Set up IN_LIBGCC definition of TARGET_64BIT.
14140 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
14142 2006-02-28 Roger Sayle <roger@eyesopen.com>
14144 PR middle-end/14752
14145 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
14146 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
14147 cases via the construction of "expr != 0".
14149 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
14151 * alias.c (alias_invariant, alias_invariant_size): Remove.
14152 (record_base_value): Remove.
14153 (memrefs_conflict_p): Don't look at alias_invariant.
14154 (end_alias_analysis): Don't free it.
14155 * alias.h (record_base_value): Remove prototype.
14157 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
14158 Adam Nemet <anemet@caviumnetworks.com>
14160 * rtl.h (truncated_to_mode): Declare it.
14161 (struct rtl_hooks): Add reg_truncated_to_mode hook.
14162 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
14163 (RTL_HOOKS_INITIALIZER): Include it.
14164 * rtlhooks.c (reg_truncated_to_mode_general): New function.
14165 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
14166 reg_truncated_to_mode.
14167 * rtlanal.c (truncated_to_mode): Define it.
14168 * simplify-rtx.c (simplify_unary_operation_1): Use it.
14170 2006-02-28 Jeff Law <law@redhat.com>
14172 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
14173 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
14174 the range allowed by TYPE_PRECISION.
14176 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
14178 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
14180 PR tree-optimization/26419
14181 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
14184 2006-02-27 Zack Weinberg <zackw@panix.com>
14186 * doc/md.texi: Fix typo in previous change.
14188 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
14192 2006-02-27 Zack Weinberg <zackw@panix.com>
14194 * rtl.def (define_constraint, define_register_constraint)
14195 (define_memory_constraint, define_address_constraint): New MD forms.
14196 * gensupport.c (process_rtx): Put define_constraint etc on the
14198 * genpreds.c (process_define_predicate): Adjust comment. Validate
14199 the name, and call validate_exp to validate the expression.
14200 (mark_mode_tests, write_extract_subexp): Can assume correct input.
14201 (write_predicate_expr): Likewise. NAME argument no longer necessary;
14202 all callers changed.
14203 (validate_exp, needs_variable, struct constraint_data)
14204 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
14205 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
14206 (const_dbl_constraints, constraint_max_namelen)
14207 (have_register_constraints, have_memory_constraints)
14208 (have_address_constraints, have_address_constraints)
14209 (have_extra_constraints, have_const_int_constraints)
14210 (have_const_dbl_constraints, mangle, add_constraint)
14211 (process_define_constraint, process_define_register_constraint)
14212 (write_enum_constraint_num, write_lookup_constraint)
14213 (write_insn_constraint_len, write_regclass_for_constraint)
14214 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
14215 (write_insn_extra_memory_constraint)
14216 (write_insn_extra_address_constraint)
14217 (write_satisfies_constraint_fns): New.
14218 (write_tm_preds_h): If we have new-style constraint definitions,
14219 prototype the functions generated from them, and define the
14220 old constraint interface (still used by generic code) in terms of
14222 (write_insn_preds_c): If we have new-style constraint definitions,
14223 generate all relevant functions from those definitions.
14224 (main): Handle define_constraint etc.
14225 * genoutput.c (struct constraint_data, indep_constraints)
14226 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
14227 (mdep_constraint_len): New data structures and functions, defined
14228 #ifdef USE_MD_CONSTRAINTS.
14229 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
14230 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
14231 use new logic to validate operand constraints against constraint
14233 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
14235 * defaults.h: If none of the old-style constraint macros are
14236 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
14237 old-style macros; and poison REG_CLASS_FROM_LETTER,
14238 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
14240 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
14241 * doc/md.texi: Document new constraint-definition mechanism and the
14242 C interface it provides. Remove references to old mechanism
14243 elsewhere in the document.
14244 (Machine Constraints): Use pathnames relative to gcc directory,
14245 i.e. config/ARCH/FILE. Change i386 section to refer to
14246 config/i386/predicates.md; update that section to match docstrings.
14247 * doc/tm.texi: Move all documentation of the old constraint-
14248 definition macros to their own section, clearly mark as obsolete.
14250 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
14251 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
14253 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
14254 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
14255 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
14256 constraint strings.
14257 (splits and peepholes): Use satisfies_constraint_*.
14258 * config/i386/i386.c (memory_address_length)
14259 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
14261 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14263 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
14264 scalar operation to be put back into the loop.
14266 2006-02-27 Jakub Jelinek <jakub@redhat.com>
14269 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
14270 (extract_cie_info): Handle S flag in augmentation string.
14271 (execute_cfa_program): If context->signal_frame, execute also
14272 fs->pc == context->ra instructions.
14273 (uw_frame_state_for): If context->signal_frame, don't subtract one
14274 from context->ra to find FDE.
14275 (uw_update_context_1): Set context->signal_frame to
14277 (_Unwind_GetIPInfo): New function.
14278 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
14279 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
14281 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
14282 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
14283 * unwind-compat.c (_Unwind_GetIPInfo): New function.
14284 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
14285 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
14286 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
14287 * config/i386/linux-unwind.h (x86_fallback_frame_state,
14288 x86_64_fallback_frame_state): Set fs->signal_frame.
14289 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
14290 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
14291 (frob_update_context): Likewise. Workaround missing S flag in
14292 Linux 2.6.12 - 2.6.16 kernel vDSOs.
14293 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
14294 Remove the psw_addr + 1 hack.
14296 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14298 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
14299 with aggregates here.
14300 (find_func_aliases): Remove code for &<aggregate> from here.
14302 2006-02-26 Roger Sayle <roger@eyesopen.com>
14304 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
14305 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
14306 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
14307 as (X & C) ne/eq 0.
14309 2006-02-26 Roger Sayle <roger@eyesopen.com>
14311 PR middle-end/19983
14312 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
14314 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
14316 * opts.c (decode_options): Do not handle flag_strength_reduce.
14317 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
14318 and OPT_fstrength_reduce.
14319 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
14320 flag_prefetch_loop_arrays for being nonzero.
14321 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
14323 (fprefetch-loop-arrays-rtl): Removed.
14324 (flag_prefetch_loop_arrays): Do not specify the value.
14326 * doc/passes.texi: Update documentation of loop optimizer
14328 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
14329 -frerun-loop-opt): Remove.
14331 2006-02-26 Richard Guenther <rguenther@suse.de>
14333 PR tree-optimization/26421
14334 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
14335 in function calls that are ADDR_EXPRs as using the whole structure.
14337 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
14339 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
14340 * tree-pass.h (pass_loop_optimize): Remove.
14341 * passes.c (pass_loop_optimize): Never run it.
14342 * toplev.c (backend_init): Don't call init_loop.
14343 * opts.c (flag_loop_optimize_set): Remove.
14344 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
14345 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
14346 the old RTL loop optimizer when profiling enabled.
14347 * predict.c (tree_estimate_probability): Always strip builtin_expect.
14348 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
14349 pre-headers for the sake of the old RTL loop optimizer.
14350 * Makefile.in: Remove all references to loop.o.
14352 * doc/invoke.texi: Remove all references to -floop-optimize
14353 and -frerun-loop-opt.
14355 2006-02-26 Zack Weinberg <zackw@panix.com>
14357 * doc/md.texi (Machine Constraints): Refer to all files with paths
14358 relative to gcc directory (i.e. config/CPU/file). Add missing
14359 @table @code ... @end table to M32C subsection.
14361 2006-02-26 Roger Sayle <roger@eyesopen.com>
14363 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
14365 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
14367 2006-02-26 Roger Sayle <roger@eyesopen.com>
14368 James A. Morrison <phython@gcc.gnu.org>
14370 PR middle-end/21137
14371 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
14372 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
14373 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
14374 signedness of the shift operation.
14376 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
14378 PR tree-optimization/26359
14379 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
14381 2006-02-25 Roger Sayle <roger@eyesopen.com>
14383 * simplify-rtx.c (simplify_relational_operation_1): Simplify
14384 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
14385 as X == 0, and some symmetry related transformations.
14386 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
14388 2006-02-25 Roger Sayle <roger@eyesopen.com>
14390 PR middle-end/23673
14391 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
14392 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
14393 symmetry related transformations. Fold (X^C1) == C2 as
14396 2006-02-25 Juergen Weigert <jw@suse.de>
14397 Richard Guenther <rguenther@suse.de>
14399 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
14401 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
14403 * combine.c (gen_lowpart_or_truncate): Call
14404 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
14406 2006-02-24 Diego Novillo <dnovillo@redhat.com>
14408 * doc/invoke.texi: Move -fopenmp description to "Options for
14410 Remove reference to -lgomp.
14412 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14414 * doc/install.texi: Require GNU tar version 1.14.
14416 2006-02-24 Geoffrey Keating <geoffk@apple.com>
14418 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
14419 * doc/invoke.texi (C++ Dialect Options): Document
14420 -fno-use-cxa-get-exception-ptr.
14421 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
14422 * configure: Regenerate.
14423 * c.opt (fuse-cxa-get-exception-ptr): New.
14424 * c-opts.c (c_common_handle_option): Handle
14425 OPT_fuse_cxa_get_exception_ptr.
14426 * c-common.c (flag_use_cxa_atexit): Update documentation.
14427 (flag_use_cxa_get_exception_ptr): New.
14428 * c-common.h (flag_use_cxa_get_exception_ptr): New.
14429 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
14431 (C_COMMON_OVERRIDE_OPTIONS): New.
14433 2006-02-24 Roger Sayle <roger@eyesopen.com>
14435 PR middle-end/24952
14436 * combine.c (try_combine): Explicitly check whether GET_CODE is
14437 a SET or a CLOBBER, instead on checking that it isn't a USE.
14439 2006-02-24 Roger Sayle <roger@eyesopen.com>
14441 * fold-const.c (fold_comparison): New subroutine of fold_binary
14442 containing transformations common to both the equality and
14443 ordering relational operators, factored out of fold_binary.
14444 (fold_binary): Separate out the equality operators (EQ_EXPR
14445 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
14446 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
14447 transformations common to both.
14448 (fold_div_compare): Fix latent bugs in the previously unreachable
14449 LT_EXPR and GE_EXPR cases.
14451 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14453 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
14454 decl libname for clog to __clog on AIX.
14456 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
14458 2006-02-24 Alan Modra <amodra@bigpond.net.au>
14461 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
14462 output traceback table for thunks. Localise rs6000_stack_info call.
14464 2006-02-23 Roger Sayle <roger@eyesopen.com>
14465 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14467 * gthr-posix.h (__gthrw): Fix typo in comment.
14469 2006-02-23 Geoffrey Keating <geoffk@apple.com>
14471 * doc/cpp.texi (Character sets): Document that we do support
14472 input files to be in any character set.
14474 2006-02-23 Jeff Law <law@redhat.com>
14476 * tree.h (PHI_ARG_NONZERO): Remove.
14477 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
14478 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
14479 node to the new node.
14481 PR tree-optimization/26425
14482 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
14483 min/max, then assume its varying.
14485 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14487 PR rtl-optimization/26316
14488 * rtlanal.c (enum may_trap_p_flags): New.
14489 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
14490 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
14491 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
14492 (may_trap_after_code_motion_p): New function.
14493 * loop-invariant.c (find_identical_invariants): Fix dump formating.
14494 (find_invariant_insn): Use may_trap_after_code_motion_p.
14495 * rtl.h (may_trap_after_code_motion_p): Declare.
14497 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14499 * emit-rtl.c (immed_double_const): Cleanup.
14501 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
14503 Fix PR tree-optimization/26376
14504 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
14507 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14509 PR middle-end/26412
14510 * gimplify.c (omp_add_variable): Guard variable size decl test with
14511 DECL_SIZE (decl) check.
14513 2006-02-23 Richard Guenther <rguenther@suse.de>
14515 PR middle-end/26439
14516 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
14517 like aggregate types.
14519 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14521 * configure.ac: Add --with{,out}-long-double-128 configure option.
14522 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
14523 * configure: Rebuilt.
14524 * config.in: Rebuilt.
14525 * doc/install.texi (Options specification): Document
14526 --with-long-double-128.
14528 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14529 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14530 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14531 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14533 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
14535 * config/s390/s390.c (override_options): Handle
14536 TARGET_DEFAULT_LONG_DOUBLE_128.
14538 * config/alpha/alpha.c (override_options): Handle
14539 TARGET_DEFAULT_LONG_DOUBLE_128.
14541 * config/sparc/sparc.c (sparc_override_options): Handle
14542 TARGET_DEFAULT_LONG_DOUBLE_128.
14544 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
14546 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
14547 (real-install-headers-tar, real-install-headers-cpio)
14548 (real-install-headers-cp): New targets.
14550 2006-02-22 Richard Sandiford <richard@codesourcery.com>
14552 * tree.h (variable_section): Delete.
14553 * varasm.c (variable_section): Delete.
14555 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
14557 * install.texi: Add notes on install.texi2html.
14558 (Building in parallel): Do not use footnotes.
14560 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
14563 * doc/install.texi (Configuration): Document --disable-libgomp.
14565 2006-02-21 Geoffrey Keating <geoffk@apple.com>
14567 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
14569 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14571 * config/i386/sse.md (vec_extractv2df_1_sse): New.
14572 (vec_extractv2df_0_sse): New.
14574 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14576 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
14577 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
14578 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
14579 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
14580 to the result of the expression.
14581 (def_cfa_1): Adjust.
14582 (frame_pointer_cfa_offset): Rename to...
14583 (frame_pointer_fb_offset): ... this. Adjust all uses.
14584 (convert_cfa_to_loc_list): Rename to...
14585 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
14586 Pass it on to build_cfa_loc.
14587 (compute_frame_pointer_to_cfa_displacement): Rename to...
14588 (compute_frame_pointer_to_fb_displacement): ... this. New
14589 offset parameter. Use it in computation.
14590 (gen_subprogram_die): Compute cfa_fb_offset with the new
14591 macro, and use it to compute the fb loc list and the
14594 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
14596 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
14597 replaced with register_operand.
14598 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
14599 non-DREG is expensive.
14600 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
14601 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
14604 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
14606 * doc/install.texi2html: Use set -e.
14608 2006-02-21 Richard Sandiford <richard@codesourcery.com>
14610 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14611 (ASM_OUTPUT_SHARED_LOCAL): Delete.
14612 * doc/invoke.texi (-fshared-data): Delete.
14613 * common.opt (fshared-data): Delete.
14614 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
14615 (assemble_static_space): Remove #if 0 code.
14616 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14617 (ASM_OUTPUT_SHARED_LOCAL): Poison.
14618 * config/cris/cris.h: Remove FIXME.
14620 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
14622 * doc/sourcebuild.texi (Front End Directory): No more double-colon
14625 2006-02-21 Jakub Jelinek <jakub@redhat.com>
14627 PR middle-end/26379
14628 * combine.c (simplify_shift_const_1): Disable nested shifts
14629 optimization for vector shifts.
14631 2006-02-20 Roger Sayle <roger@eyesopen.com>
14633 PR tree-optimization/26361
14634 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
14635 of unsigned integer types.
14637 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
14639 * tree-chrec.c (eq_evolutions_p): New.
14640 * tree-chrec.h (eq_evolutions_p): Declared.
14641 * tree-data-ref.c: Fix formatting.
14642 (datadep_stats, dependence_stats): New.
14644 (print_direction_vector): New.
14645 (dump_data_dependence_relation): Use print_direction_vector.
14646 (object_analysis, create_data_ref): Handle COMPONENT_REF.
14647 (compute_subscript_distance): Static.
14648 (initialize_data_dependence_relation): Static. Get the number
14649 of loops surrounding the references from the callers, and initialize
14650 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
14651 base_object_differ_p analyzers.
14652 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
14653 compute_overlap_steps_for_affine_1_2,
14654 analyze_subscript_affine_affine): Count the classified dependences.
14655 Print a message when a test failed.
14656 (can_use_analyze_subscript_affine_affine): New.
14657 (analyze_siv_subscript): Compute the data dependences on symbolic
14658 scevs that verify can_use_analyze_subscript_affine_affine.
14659 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
14660 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
14661 Handle symbolic scevs.
14662 (analyze_overlapping_iterations): Let symbolic affine scevs to be
14664 (subscript_dependence_tester): Moved...
14665 (build_classic_dist_vector, build_classic_dir_vector): Don't use
14666 lambda_vector_clear on newly allocated vectors. Get nb_loops from
14667 DDR_SIZE_VECT instead of getting it in parameter.
14668 (subscript_dependence_tester): ... here. Take as a parameter
14669 loop_nest_depth. Call build_classic_dist_vector and
14670 build_classic_dir_vector.
14671 (compute_affine_dependence): Update subscript_dependence_tester
14672 parameters. Update datadep_stats counters. Call
14673 compute_subscript_distance.
14674 (compute_self_dependence): Save the dist and dir vectors. Call
14675 compute_subscript_distance.
14676 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
14677 (compute_all_dependences): Reorder parameters as they were before
14678 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
14679 compute_subscript_distance. Update the use of
14680 compute_affine_dependence and initialize_data_dependence_relation.
14681 (find_data_references_in_loop): Handle COMPONENT_REF.
14682 (compute_data_dependences_for_loop): Initialize dependence_stats.
14683 Don't call build_classic_dist_vector and build_classic_dir_vector.
14684 Update the parameters of initialize_data_dependence_relation and
14685 compute_all_dependences. Print the statistics from datadep_stats.
14686 (analyze_all_data_dependences): Static. Not used until the pass for
14687 checking the data dependences is contributed.
14688 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
14689 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
14690 (initialize_data_dependence_relation, compute_affine_dependence,
14691 analyze_all_data_dependences, compute_subscript_distance): Removed.
14692 (print_direction_vector): New.
14693 * lambda.h (gcd): ... here.
14694 (lambda_vector_gcd): Moved here from gcd_vector.
14695 * lambda-code.c (gcd, gcd_vector): Removed.
14696 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
14697 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
14699 2006-02-20 Diego Novillo <dnovillo@redhat.com>
14701 * ipa-type-escape.c: Tidy some comments and white space.
14702 * tree-ssa-operands.c: Likewise.
14704 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
14707 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
14708 (dump_decl_name): Do not walk the decl tree chains.
14709 * tree-pass.h (TDF_CHAIN): Remove.
14711 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14713 * Makefile.in (C): Remove
14715 (.PHONY): Remove C and PROTO
14717 2006-02-20 Roger Sayle <roger@eyesopen.com>
14719 PR middle-end/26236
14720 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
14721 deprecated CHAR_TYPE tree code.
14723 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14725 * configure.ac (target_list): Add install-info, dvi, html.
14726 * configure: Regenerate.
14728 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
14729 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
14730 treelang/Make-lang.in: Do not use double-colon rules.
14732 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
14734 * tree.h (struct tree_memory_tag): Add is_used_alone member.
14735 (TMT_USED_ALONE): New macro.
14736 * tree-pass.h (PROP_tmt_usage): New property.
14737 (TODO_update_tmt_usage): New todo.
14738 * tree-ssa-alias.c (updating_used_alone): New variable.
14739 (recalculate_used_alone): New function.
14740 (compute_may_aliases): Set updating_used_alone, call
14741 recalculate_used_alone.
14742 * tree-sra.c (pass_sra): Note that this pass destroys
14743 PROP_tmt_usage, and add TODO_update_tmt_usage.
14744 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
14745 * tree-flow.h (updating_used_alone): Prototype.
14746 (recalculate_used_alone): Ditto.
14747 * passes.c (execute_todo): Add code to set updating_used_alone,
14748 and call recalculate.
14749 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
14750 for clobber if used alone, and add assert to verify used_alone
14753 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
14755 * config/s390/s390.c (legitimize_pic_address): Assertions checking
14756 for non tls symbols added.
14757 (legitimize_address): Do nothing for PLUS expressions if one of the
14758 addends is a tls symbol reference.
14760 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14764 * Makefile.in (LDFLAGS): Define from autoconf substitution.
14766 * Makefile.in (BOOTSTRAPPING): New.
14767 (quickstrap): New definition if BOOTSTRAPPING=yes.
14769 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
14770 * configure.ac: Substitute all_selected_languages with the languages
14771 that were configured. For all the other variables except
14772 lang_specs_files, include all the languages in the tree.
14773 * configure: Regenerate.
14775 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
14776 if there is one. Run the commands to run fixincludes in the same
14779 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
14780 * doc/install.texi: Document exact conventions for searching target tools.
14781 Document --with-build-time-tools. Document toplevel bootstrap. Document
14782 something more about building an Ada cross-compiler. Don't list GNU Make
14783 requirements which affect all platforms.
14785 2006-02-19 Roger Sayle <roger@eyesopen.com>
14787 PR middle-end/19543
14788 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
14789 only equivalent if the have both the same mode and precision.
14791 2006-02-20 Ben Elliston <bje@au.ibm.com>
14793 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
14795 2006-02-19 Roger Sayle <roger@eyesopen.com>
14796 Steven Bosscher <stevenb.gcc@gmail.com>
14798 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
14799 constant pool references to identify stack mode constants.
14800 * rtlanal.c (constant_pool_constant_p): New predicate to check
14801 whether operand is a floating point constant in the pool.
14802 * rtl.h (constant_pool_constant_p): Prototype here.
14803 * loop.c (scan_loop): Avoid hoisting constants from the constant
14804 pool on STACK_REGS targets.
14805 (load_mems): Likewise.
14806 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
14807 loads into x87 registers expensive in terms of register pressure.
14809 2006-02-19 Roger Sayle <roger@eyesopen.com>
14811 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
14812 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
14814 2006-02-19 David Edelsohn <edelsohn@gnu.org>
14816 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14817 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
14819 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
14821 * doc/invoke.texi: Document -fipa-pta.
14822 * common.opt: Add ipa-pta option.
14823 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
14824 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
14825 (do_ds_constraint): Ditto.
14826 (get_constraint_for): Only add to referenced_vars if
14827 referenced_vars exists.
14828 (insert_into_field_list): Rewrite to do this unsorted.
14829 (insert_into_field_list_sorted): Rename old insert_into_field_list
14831 (create_function_info_for): Use insert_into_field_list_sorted.
14832 (create_variable_info_for): Rewrite so it uses unsorted version,
14833 since the field list is sorted.
14834 (intra_create_variable_infos): Only add to referenced_vars if
14835 referenced_vars exists.
14836 (ipa_pta_execute): Init heapvars, and delete when done.
14837 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
14839 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14841 * doc/install.texi: Add missing `@samp'.
14843 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14845 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
14848 2006-02-18 Mark Wielaard <mark@klomp.org>
14850 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
14851 who added new 4.1 features, bug fixes and integration support.
14853 2006-02-18 David Edelsohn <edelsohn@gnu.org>
14856 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
14857 MEM for ABI_V4 pic.
14859 2006-02-18 Richard Sandiford <richard@codesourcery.com>
14861 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
14862 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
14863 (copy_insn_1): Likewise. Don't copy each field individually.
14865 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
14867 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
14868 * rtl.c (rtx_size): Rename variable to...
14869 (rtx_code_size): ...this.
14870 (rtx_size): New function.
14871 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
14872 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
14874 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
14875 * rtl.h (rtx_code_size): New variable.
14876 (rtx_size): Change from a variable to a function.
14877 (RTX_SIZE): Rename to...
14878 (RTX_CODE_SIZE): ...this.
14881 PR tree-optimization/17106
14882 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
14883 (Anchored Addresses): New section.
14884 * doc/invoke.texi (-fsection-anchors): Document.
14885 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
14886 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
14887 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
14888 * hooks.c (hook_bool_mode_rtx_false): New function.
14889 * hooks.h (hook_bool_mode_rtx_false): Declare.
14890 * gengtype.c (create_optional_field): New function.
14891 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
14892 SYMBOL_REF_IN_BLOCK_P is true.
14893 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
14894 (min_anchor_offset, max_anchor_offset): Likewise.
14895 (use_anchors_for_symbol_p): New hook.
14896 * toplev.c (compile_file): Call output_object_blocks.
14897 (target_supports_section_anchors_p): New function.
14898 (process_options): Check that -fsection-anchors is only used on
14899 targets that support it and when -funit-at-a-time is in effect.
14900 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
14901 if the decl doesn't have one.
14902 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
14903 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
14904 of force_const_mem through use_anchored_address.
14905 (expand_expr_constant): New function.
14906 (expand_expr_addr_expr_1): Call it. Use the same modifier when
14907 calling expand_expr for INDIRECT_REF.
14908 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
14909 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
14910 * expr.h (use_anchored_address): Declare.
14911 * loop-unroll.c: Don't declare rtx vectors here.
14912 * explow.c: Include output.h.
14913 (validize_mem): Call use_anchored_address.
14914 (use_anchored_address): New function.
14915 * common.opt (-fsection-anchors): New switch.
14916 * varasm.c (object_block_htab, anchor_labelno): New variables.
14917 (hash_section, object_block_entry_eq, object_block_entry_hash)
14918 (use_object_blocks_p, get_block_for_section, create_block_symbol)
14919 (use_blocks_for_decl_p, change_symbol_section): New functions.
14920 (get_variable_section): New function, split out from assemble_variable.
14921 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
14922 use_blocks_for_decl_p say so. Use change_symbol_section if the
14923 symbol has already been created.
14924 (assemble_variable_contents): New function, split out from...
14925 (assemble_variable): ...here. Don't output any code for
14926 block symbols; just pass them to place_block_symbol.
14927 Use get_variable_section and assemble_variable_contents.
14928 (get_constant_alignment, get_constant_section, get_constant_size): New
14929 functions, split from output_constant_def_contents.
14930 (build_constant_desc): Create a block symbol if use_object_blocks_p
14931 says so. Or into SYMBOL_REF_FLAGS.
14932 (assemble_constant_contents): New function, split from...
14933 (output_constant_def_contents): ...here. Don't output any code
14934 for block symbols; just pass them to place_section_symbol.
14935 Use get_constant_section and get_constant_alignment.
14936 (force_const_mem): Create a block symbol if use_object_blocks_p and
14937 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
14938 (output_constant_pool_1): Add an explicit alignment argument.
14939 Don't switch sections here.
14940 (output_constant_pool): Adjust call to output_constant_pool_1.
14941 Switch sections here instead. Don't output anything for block symbols;
14942 just pass them to place_block_symbol.
14943 (init_varasm_once): Initialize object_block_htab.
14944 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
14945 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
14946 (place_block_symbol, get_section_anchor, output_object_block)
14947 (output_object_block_htab, output_object_blocks): New functions.
14948 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
14949 (TARGET_ASM_OUT): Include it.
14950 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
14951 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
14952 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
14953 (TARGET_INITIALIZER): Include them.
14954 * rtl.c (rtl_check_failed_block_symbol): New function.
14955 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
14956 (block_symbol, object_block): New structures.
14957 (rtx_def): Add a block_symbol field to the union.
14958 (BLOCK_SYMBOL_CHECK): New macro.
14959 (rtl_check_failed_block_symbol): Declare.
14960 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
14961 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
14962 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
14963 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
14964 * output.h (output_section_symbols): Declare.
14965 (object_block): Name structure.
14966 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
14967 (default_use_anchors_for_symbol_p): Declare.
14968 * Makefile.in (RTL_BASE_H): Add vec.h.
14969 (explow.o): Depend on output.h.
14970 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
14971 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
14972 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
14973 (rs6000_use_blocks_for_constant_p): New function.
14975 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14977 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
14979 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14982 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
14985 2006-02-18 Diego Novillo <dnovillo@redhat.com>
14987 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
14991 2006-02-18 Jakub Jelinek <jakub@redhat.com>
14993 PR middle-end/26334
14994 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
14995 instead of DECL_REGISTER.
14997 2006-02-18 Olivier Hainque <hainque@adacore.com>
15000 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
15002 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
15005 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
15006 * opth-gen.awk: Handle Var and InverseMask together.
15007 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
15008 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
15009 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
15010 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
15012 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15013 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15014 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
15015 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15016 LINUX_DYNAMIC_LINKER): Define.
15017 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
15018 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
15020 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15021 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
15022 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15023 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15024 (TARGET_C99_FUNCTIONS): Don't define.
15025 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
15026 GLIBC_DYNAMIC_LINKER.
15027 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
15028 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
15029 GLIBC_DYNAMIC_LINKER64): Define.
15030 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15031 LINUX_DYNAMIC_LINKER64.
15032 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15033 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15034 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
15035 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15036 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15037 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15038 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
15039 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
15040 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
15041 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
15042 and LINUX_DYNAMIC_LINKER32.
15043 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15044 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15045 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
15046 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15047 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
15049 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
15050 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
15051 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15052 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15053 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15054 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
15055 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
15056 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
15057 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15058 LINUX_DYNAMIC_LINKER): Define.
15059 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
15060 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
15061 GLIBC_DYNAMIC_LINKER64): Define.
15062 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15063 LINUX_DYNAMIC_LINKER64.
15064 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15065 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15066 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
15067 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15068 LINUX_DYNAMIC_LINKER): Define.
15069 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15070 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15071 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
15072 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
15073 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
15074 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15075 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
15076 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
15077 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15078 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15079 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15080 * doc/invoke.texi (-muclibc): Remove caveat about supported
15083 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
15085 * doc/cpp.texi (__TIMESTAMP__): Document.
15087 2006-02-17 Roger Sayle <roger@eyesopen.com>
15089 PR middle-end/25600
15090 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
15091 C is one less than the width of X (and related transformations).
15092 * simplify-rtx.c (simplify_unary_operation_1): Transform
15093 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
15094 depending on STORE_FLAG_VALUE, were C is one less then the
15097 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
15099 Fix PR tree-optimization/26341
15100 * tree-ssa-operands.c (add_virtual_operand): Remove assert
15101 about NAME_MEMORY_TAG's.
15103 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15106 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
15107 with hardware float support, and software float support. Add fcpy
15108 alternative to hardware patterns. Add alternatives to copy between
15109 general and floating-point registers to the 32-bit pattern.
15110 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
15111 secondary reload to load a QI or HI mode constant into a floating
15113 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
15114 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
15116 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
15119 * config/rs6000/darwin.md (load_macho_picbase_si): Add
15121 (load_macho_picbase_di): Likewise.
15123 2006-02-16 Jeff Law <law@redhat.com>
15125 * tree-vrp.c (set_value_range_to_nonnegative): New function.
15126 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
15127 (ssa_name_nonzero_p): Likewise.
15128 (get_value_range): Return NULL if VRP is not running.
15129 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
15130 VRP routines do not discover a range.
15131 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
15132 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
15133 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
15134 (tree_expr_nonnegative_p): Similarly.
15135 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
15136 (restore_nonzero_vars_to_original_value): Remove.
15137 (unsafe_associative_fp_binop): Remove.
15138 (tree_ssa_dominator_optimize): Remove initialization and
15139 finalization of nonzero_vars and nonzero_vars_stack.
15140 (dom_opt_initialize_block): No longer push marker on
15141 nonzero_vars_stack.
15142 (dom_opt_finalize_block): No longer call
15143 restore_nonzero_vars_to_original_value.
15144 (record_equivalences_from_phis): No longer look for
15145 nonzero PHI arguments.
15146 (cprop_into_successor_phis): No longer propagate nonzero
15147 property into PHI arguments. Lose unused argument. Caller
15149 (record_equivalences_from_stmt): No longer record nonzero
15150 values for SSA_NAMEs.
15151 (lookup_avail_expr): No longer use nonzero_vars.
15153 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
15154 for sizetype when sizetype is unsigned.
15156 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
15158 PR rtl-optimization/25603
15159 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
15160 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
15161 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
15162 with new meaning of SETS.
15164 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
15169 * config/linux.opt: New file.
15170 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
15171 LINUX_DYNAMIC_LINKER): Define.
15172 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
15173 * config.gcc (*-*-linux*): Define extra_options.
15174 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
15175 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
15176 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
15177 GLIBC_DYNAMIC_LINKER.
15178 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
15179 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15180 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15181 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15182 * doc/invoke.texi (GNU/Linux Options): New section.
15184 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
15186 * config/sparc/sparc.md (setjmp): Rewrite.
15187 (setjmp_32): Delete.
15188 (setjmp_64): Likewise.
15190 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
15192 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
15195 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15197 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
15200 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15202 PR rtl-optimization/26296
15203 * Makefile.in (loop-invariant.c): Add except.h dependency.
15204 * loop-invariant.c: Include except.h.
15205 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
15207 2005-02-16 Paul Brook <paul@codesourcery.com>
15209 * reload1.c (emit_reload_insns): Invalidate dead input registers used
15212 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
15214 PR rtl-optimization/25636
15215 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
15216 when deciding whether an insn is an initializing insn.
15218 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
15220 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
15221 (tree_code_size): Ditto.
15222 * tree.h (struct tree_memory_tag): Remove parent_var.
15223 (struct tree_struct_field_tag): New.
15226 (union tree_node): Add sft member.
15227 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
15229 (create_sft): Add size and offset argument, set SFT_OFFSET and
15231 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
15232 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
15233 * tree-flow-inline.h (get_subvar_at): Update for
15234 SFT_OFFSET/SFT_SIZE.
15235 (var_can_have_subvars): Ditto.
15236 (overlap_subvar): Ditto.
15237 * print-tree.c (print_node): Print out interesting things for
15239 * tree-flow.h (struct subvar): Remove offset and size members.
15240 * tree-ssa-operands.c (get_expr_operands): Update for
15241 get_indirect_ref_operands changes.
15242 (get_indirect_ref_operands): Call add_virtual_operand instead of
15243 add_stmt_operand. Only recurse on base var if requested.
15244 (access_can_touch_variable): New function.
15245 (add_stmt_operand): Split virtual operand handling into ...
15246 (add_virtual_operand): Here. Add offset, size, and for_clobber
15247 arguments. Prune alias sets.
15248 (add_call_clobber_ops): Call add_virtual_operand.
15250 2006-02-15 Jakub Jelinek <jakub@redhat.com>
15252 PR middle-end/26300
15253 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
15255 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
15256 than TREE_CODE as index into omp_clause_num_ops array.
15258 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
15260 PR rtl-optimization/26184
15261 * modulo-sched.c (generate_reg_moves): Free bitmap vector
15263 * modulo-sched.c (sms_schedule): Free g_arr pointer.
15264 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
15265 must_precede, must_follow and tobe_scheduled.
15268 * opts.c (common_handle_option): Free new_option pointer.
15269 * df-core.c (df_analyze): Free postorder pointer.
15271 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
15273 * Makefile.in: Fix the examples about the use of stamps
15275 2006-02-15 Michael Matz <matz@suse.de>
15277 PR middle-end/22275
15279 * stor-layout.c (layout_decl): Zero-width bitfields aren't
15280 influenced by maximum_field_alignment or DECL_PACKED.
15281 (update_alignment_for_field): Ditto.
15282 (place_field): Ditto.
15283 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
15286 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
15288 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
15289 (debug_flow_info): Pass it.
15290 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
15291 * bb-reorder.c (reorder_basic_blocks): Likewise.
15292 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
15293 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
15294 * flow.c (life_analysis, recompute_reg_usage): Likewise.
15295 * gcse.c (gcse_main, bypass_jumps): Likewise.
15296 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
15297 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
15298 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
15299 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
15300 * rtl.h (dump_flow_info): Adjust prototype.
15301 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
15302 * var-tracking.c (variable_tracking_main): Likewise.
15303 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
15304 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
15307 2006-02-15 Marcin Dalecki <martin@dalecki.de>
15309 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
15312 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15314 PR tree-optimization/26209
15315 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
15316 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
15318 * tree-cfg.c (replace_uses_by): Do not alter cfg.
15320 2006-02-14 Roger Sayle <roger@eyesopen.com>
15322 PR middle-end/23670
15323 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
15324 (X,Y) and the corresponding symmetry related transformations.
15325 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
15326 (X,Y) and its symmetry related transformations.
15328 2006-02-14 Roger Sayle <roger@eyesopen.com>
15330 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
15333 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
15335 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
15337 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15340 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
15341 support COMDAT group.
15342 * configure: Regenerate.
15344 2006-02-14 Roger Sayle <roger@eyesopen.com>
15346 PR middle-end/26279
15347 PR middle-end/26280
15348 PR middle-end/26283
15349 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
15351 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
15353 Fix PR tree-optimization/26260
15355 * doc/invoke.texi (max-fields-for-field-sensitive): Document
15357 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
15358 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
15359 * tree-ssa-structalias.c (create_variable_info_for): Use
15360 MAX_FIELDS_FOR_FIELD_SENSITIVE.
15362 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15364 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
15366 * tree-ssa-loop-niter.c (number_of_iterations_ne,
15367 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
15368 of the ending condition.
15369 * tree-ssa-loop-manip.c: Include params.h.
15370 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
15371 tree_unroll_loop): New functions.
15372 * tree-pass.h (pass_loop_prefetch): Declare.
15373 * loop.c (rest_of_handle_loop_optimize): Test for
15374 -fprefetch-loop-arrays-rtl.
15375 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
15376 * timevar.def (TV_TREE_PREFETCH): New timevar.
15377 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
15378 pass_loop_prefetch): New.
15379 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
15380 (cleanup_tree_cfg_loop): Call scev_reset.
15381 * common.opt (fprefetch-loop-arrays-rtl): Add.
15382 * tree-ssa-loop-prefetch.c: New file.
15383 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
15384 (new_temp_expr_table): Initialize expr_vars.
15385 (free_temp_expr_table): Cleanup expr_vars.
15386 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
15387 expressions from being merged into one.
15388 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
15389 (struct tree_niter_desc): Add control, bound and cmp fields.
15390 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
15392 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
15393 (tree-cfgcleanup.o): Add SCEV_H dependency.
15394 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
15395 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
15397 2006-02-14 Richard Guenther <rguenther@suse.de>
15399 PR tree-optimization/26258
15400 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
15401 in PHI argument processing.
15403 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
15405 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
15406 new expression in the requested machine mode.
15408 2006-02-13 Roger Sayle <roger@eyesopen.com>
15410 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
15411 directly, instead let do_compare_rtx_and_jump handle this for us.
15412 * expr.c (expand_expr_real_1): Likewise.
15413 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
15414 before do_jump_by_parts_greater.
15415 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
15416 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
15418 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15420 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
15422 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15424 PR rtl-optimization/26235
15425 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
15426 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
15429 2006-02-13 Jeff Law <law@redhat.com>
15431 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
15434 2006-02-13 Jakub Jelinek <jakub@redhat.com>
15436 PR middle-end/26092
15437 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
15438 twice if decl is a builtin. When trying again, call get_callee_fndecl
15439 first to verify it is still a builtin.
15441 2006-02-13 Geoffrey Keating <geoffk@apple.com>
15443 * dwarf2out.c (base_type_die): Don't add AT_name here.
15444 (subrange_type_die): Don't add AT_name here.
15445 (modified_type_die): Rearrange code flow. Do add AT_name here.
15447 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15449 PR rtl-optimization/26247
15450 PR rtl-optimization/26248
15451 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
15453 2006-02-13 Richard Sandiford <richard@codesourcery.com>
15455 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
15456 * config/fixtfdi.c: Likewise.
15457 * config/fixunstfdi.c: Likewise.
15458 * config/floatditf.c: Likewise.
15460 2006-02-13 Roger Sayle <roger@eyesopen.com>
15462 PR middle-end/24427
15463 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
15464 into (X,C2) if C1 is a subset of the bits of C2. Transform
15465 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
15467 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
15469 2006-02-13 Josh Conner <jconner@apple.com>
15472 * varasm.c (function_section): Check for section name before
15473 calling select_section on targets that define
15474 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
15475 unlikely_text_section instead of hot_function_section if
15476 first_function_block_is_cold.
15478 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
15480 PR middle-end/25335
15481 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
15483 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15485 PR rtl-optimization/26222
15486 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
15487 after tree->rtl expansion.
15488 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
15489 before passing it to emit_move_insn.
15491 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
15493 * doc/invoke.texi (-Write-strings): Document that it is enabled by
15495 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
15496 Clarify documentation.
15497 * c-common.h (warn_write_strings): Remove.
15498 * c-common.c (warn_write_strings): Likewise.
15499 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
15502 2006-02-12 Roger Sayle <roger@eyesopen.com>
15504 PR middle-end/25724
15505 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
15506 (do_jump_parts_zero_rtx): New function renamed from
15507 do_jump_parts_equality_rtx. Made static. Add a mode argument.
15508 (do_jump_parts_equality_rtx): New function split out from
15509 do_jump_parts_equality. Old implementation renamed as above.
15510 Call do_jump_parts_zero_rtx if either operand is zero.
15511 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
15512 do all of the heavy lifting.
15513 (do_compare_rtx_and_jump): Handle multi-word comparisons by
15514 calling either do_jump_by_parts_greater_rtx or
15515 do_jump_by_parts_equality_rtx.
15516 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
15517 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
15518 moved to do_compare_rtx_and_jump, call it directly.
15519 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
15520 mode argument. Call do_compare_rtx_and_jump.
15521 (emit_case_nodes): Update calls to do_jump_if_equal.
15523 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15525 PR rtl-optimization/26225
15526 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
15528 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15530 PR rtl-optimization/26232
15531 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
15533 2006-02-11 Jason Merrill <jason@redhat.com>
15536 * tree-inline.c (declare_return_variable): Just don't use the
15537 modify target if it's a gimple complex reg and the return slot
15540 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15542 * doc/contrib.texi: Update my entry.
15544 2006-02-10 Geoffrey Keating <geoffk@apple.com>
15546 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
15548 2006-02-10 Diego Novillo <dnovillo@redhat.com>
15550 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
15553 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
15555 * doc/invoke.texi (-floop-optimize2): Removed.
15556 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
15557 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
15558 Test flag_branch_on_count_reg only if HAVE_doloop_end.
15559 * common.opt (floop-optimize2): Removed.
15560 (fmove-loop-invariants): Enabled by default.
15562 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
15564 * tree-if-conv.c (combine_blocks): Free the result of
15565 get_loop_exit_edges.
15567 2006-02-10 Jeff Law <law@redhat.com>
15569 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
15571 PR tree-optimization/26213
15572 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
15573 loop trying to follow SSA_NAME_VALUE chains.
15575 2006-02-10 Richard Guenther <rguenther@suse.de>
15577 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
15578 deal with structures that end in implicitly variable sized arrays.
15580 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15582 PR rtl-optimization/24762
15583 * df-scan.c (df_bb_refs_record): Record correct registers defined on
15586 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15588 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
15589 (struct ivopts_data): Add regs_used field.
15590 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
15591 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
15592 instead of loop_data->regs_used;
15593 (free_loop_data): Do not free aux fields for loops.
15594 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
15595 and tree_ssa_iv_optimize_finalize.
15597 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
15599 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
15601 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15604 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
15605 computing the effective result type.
15607 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15609 PR inline-asm/16194
15610 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
15611 (tree_overlaps_hard_reg_set): Declare.
15612 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
15613 type and signature to match function type expected by walk_tree.
15614 (tree_overlaps_hard_reg_set): New function.
15615 (decl_conflicts_with_clobbers_p): Rename to:
15616 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
15617 Use tree_overlaps_hard_reg_set. Changed caller.
15618 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
15619 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
15620 * cris.c (cris_md_asm_clobbers): Likewise.
15622 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
15624 * reload1.c (emit_input_reload_insns): Delete code that tries to
15625 inherit using find_equiv_reg.
15627 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
15629 * c-common.h (flag_const_strings): Don't declare.
15630 * c-common.c (flag_const_strings): Remove.
15631 * c.opt (fconst_strings): Remove.
15632 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
15633 <OPT_Wwrite_strings>: Don't set flag_const_strings.
15634 (c_common_init_options): Don't set flag_const_strings.
15635 * doc/invoke.texi (-fno-const-strings): Remove documentation.
15637 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
15639 * arm.md (tlobits_cbranch): New pattern.
15640 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
15641 testing a single bit.
15643 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15646 * tree-ssa-pre.c (create_component_ref_by_pieces):
15647 Handle RETURN_DECL like VAR_DECL.
15649 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15651 PR middle-end/26134
15652 * fold-const.c (fold_indirect_ref_1): Fold
15653 "*(foo *)&complexfoo" to "__real__ complexfoo"
15654 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
15656 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15658 * tree-flow-inline.h (var_can_have_subvars):
15659 Volatile variables should not have subvariables.
15661 2006-02-09 Diego Novillo <dnovillo@redhat.com>
15664 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
15665 multiplying unsigned values.
15668 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
15670 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
15672 2006-02-08 Jason Merrill <jason@redhat.com>
15675 * tree.def: Elaborate on difference from MODIFY_EXPR.
15676 * doc/c-tree.texi (INIT_EXPR): Likewise.
15677 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
15678 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
15679 (gimplify_target_expr): Likewise.
15680 (gimplify_cond_expr): Remove target handling.
15681 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
15682 (gimplify_expr): Clobber it here.
15683 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
15684 Do return slot optimization if we have an INIT_EXPR.
15687 * tree-inline.c (declare_return_variable): Also clear
15688 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
15691 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
15693 PR middle-end/22439
15694 * gimplify.c (gimplify_one_sizepos): Fix typo.
15696 2006-02-08 Jeff Law <law@redhat.com>
15698 PR tree-optimization/21417
15699 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
15700 across a backedge if the control statement at the end of the
15701 block is data dependent on other statements in the same block.
15702 (record_temporary_equivalences_from_stmts): Remove over-conservative
15703 test for threading across backedges.
15705 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
15706 control statement, handle all three special cases in the same
15707 manner as they all have the same desired solution. No longer
15708 special case edge flag updating when the post dominator is
15711 2006-02-08 Roger Sayle <roger@eyesopen.com>
15713 * tree.def (CHAR_TYPE): Remove.
15714 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
15715 * dwarf2out.c (base_type_die, is_base_type): Likewise.
15716 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
15717 (gen_string_type_die): Delete unreachable function.
15719 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
15720 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
15721 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
15722 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
15723 * builtins.c (type_to_class): Likewise.
15724 * fold-const.c (fold_convert, build_range_check,
15725 merge_ranges): Likewise.
15726 * expr.c (count_type_elements): Likewise.
15727 * c-pretty-print.c (pp_c_type_specifier): Likewise.
15728 * stor-layout.c (layout_type): Likewise.
15729 * ipa-type-escape.c (type_to_consider): Likewise.
15730 * gimplify.c (omp_firstprivatize_type_sizes,
15731 gimplify_type_sizes): Likewise.
15732 * explow.c (promote_mode): Likewise.
15733 * tree-sra.c (is_sra_scalar_type): Likewise.
15734 * varasm.c (output_constant): Likewise.
15735 * tree-inline.c (remap_type_1): Likewise.
15736 * convert.c (convert_to_pointer, convert_to_real,
15737 convert_to_integer, convert_to_complex): Likewise.
15739 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
15741 * df-scan.c (df_def_record_1): A set destination may
15742 be a parallel regardless of mode.
15744 2006-02-08 Roger Sayle <roger@eyesopen.com>
15747 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
15748 * config/mips/_tilib.c: Remove.
15749 * config/fixtfdi.c: New libgcc source file.
15750 * config/fixunstfdi.c: New source file.
15751 * config/floatditf.c: New source file.
15752 * config/floatunditf.c: New souce file.
15753 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
15754 files above instead of config/mips/_tilib.c.
15755 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
15757 2006-02-08 Jeff Law <law@redhat.com>
15759 PR tree-optimization/26169
15760 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
15763 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
15765 * df.h (DF_REG_SIZE): Return the length of the initialized
15768 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
15770 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
15771 __muldf3): Return a correctly signed zero.
15773 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
15775 * passes.c (register_one_dump_file): Accept the current properties
15776 instead of pass number. Adjust call to dump_register. Remove
15778 (register_dump_files): Now a wrapper around...
15779 (register_dump_files_1): ... this one. Do not modify the pass
15781 (next_pass_1): Cosmetic fix.
15782 (execute_todo): Keep second parameter only. Use curr_properties
15783 instead of fetching it from the pass structure. Check and set
15785 (execute_one_pass): Handle TODO_set_props. Use curr_properties
15786 instead of fetching it from the pass structure. Fix calls to
15787 execute_todo. Update curr_properties and initialize .vcg RTL dump
15788 after running the pass. Reset last_verified.
15789 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
15791 (FIRST_AUTO_NUMBERED_DUMP): New.
15792 (dump_register): Remove "num" parameter, assign it within the
15794 (get_dump_file_name): Modify template for dumps.
15795 * tree-dump.h (dump_register): Adjust prototype.
15796 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
15797 (PROP_trees): Add PROP_gimple_lomp.
15798 (TODO_set_props): New.
15799 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
15800 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
15801 * cfgexpand.c (pass_expand): Destroy PROP_trees.
15803 2006-02-08 Jakub Jelinek <jakub@redhat.com>
15805 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
15806 (sparc64-*-linux*): Likewise.
15807 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
15808 * config/sparc/t-linux: New file.
15809 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
15810 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
15811 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
15812 -m32 -mlong-double-128.
15814 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
15815 * config/alpha/t-linux: New file.
15816 * config/alpha/libgcc-alpha-ldbl.ver: New file.
15818 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
15819 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
15820 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
15821 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
15822 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
15823 (CPP_ARCH32_SPEC): Remove.
15825 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
15827 PR tree-optimization/26145
15828 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
15831 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15834 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
15835 >= 240000 when generating code for SOM runtime.
15836 (output_indirect_call): Don't use "b,l" instruction for indirect calls
15837 to $$dyncall when generating code for SOM runtime..
15839 2006-02-07 Dirk Mueller <dmueller@suse.com>
15842 * doc/invoke.texi (-Wsequence-point): Update documentation
15843 that -Wsequence-point is implemented for C++ as well.
15845 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15847 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
15848 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
15849 (LIB_SPEC): Likewise.
15850 * doc/invoke.texi (SPARC options): Document -pthread.
15852 2006-02-07 Geoffrey Keating <geoffk@apple.com>
15854 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
15857 2006-02-07 Roger Sayle <roger@eyesopen.com>
15859 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
15860 Correct comment describing BOOLEAN_TYPE.
15862 2006-02-07 Dirk Mueller <dmueller@suse.com>
15864 * c.opt: C++ frontend supports -Wdiv-by-zero.
15865 * c-opts.c (c_common_handle_option): Remove dead case.
15867 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15869 * configure.ac (TLS assembler check): Do not enable TLS by
15870 default on SPARC/Solaris before version 10.
15871 * configure: Regenerate.
15873 2006-02-07 David Edelsohn <edelsohn@gnu.org>
15875 * doc/invoke.texi (xl-compat): Document conversion and support
15878 2006-02-07 Jeff Law <law@redhat.com>
15880 * tree-vrp.c (find_conditional_asserts): Update comments.
15881 (simplify_stmt_for_jump_threading): New.
15882 (identify_jump_threads, finalize_jump_threads): New.
15883 (vrp_finalize): Call identify_jump_threads.
15884 (execute_vrp): Call finalize_jump_threads.
15885 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
15886 (vrp_element, vrp_data, vrp_element_p): Remove.
15887 (vrp_hash_elt, vrp_variables_stack): Remove.
15888 (vrp_hash, vrp_eq, record_range): Remove.
15889 (simplify_cond_and_lookup_avail_expr): Remove.
15890 (extract_range_from_cond): Remove.
15891 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
15892 (simplify_stmt_for_jump_threading): New.
15893 (dom_thread_across_edge): New wrapper.
15894 (tree_ssa_dominator_optimize): No longer initialize or
15895 finalize any of the VRP datastructures. Remove iteration
15896 step and simplify as a result of removal of iteration step.
15897 (pass_dominator): Perform a cfg cleanup after DOM.
15898 (dom_opt_finalize_block): Use the new common routines
15899 for threading jumps. Simplify stack management slightly.
15900 No longer need to unwind VRP state.
15901 (record_equivalences_from_incoming_edge): No longer record
15903 (eliminate_redundant_computations): No longer call
15904 simplify_cond_and_lookup_avail_expr.
15905 * tree-flow.h (potentially_threadable_block): Prototype.
15906 (thread_across_edge): Likewise.
15907 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
15908 (tree-ssa-threadedge.o): Add dependencies.
15909 * tree-ssa-threadedge.c: New file.
15910 * passes.c (init_optimization_passes): Merge PHIs before
15911 calling VRP. Run VRP again late in the SSA optimization pipeline.
15913 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15915 * df-core.c (df_set_blocks): Do not dereference function pointers.
15916 (df_finish1): Likewise.
15917 (df_hybrid_search_forward): Likewise.
15918 (df_hybrid_search_backward): Likewise.
15919 (df_iterative_dataflow): Likewise.
15920 (df_analyze_problem): Likewise.
15921 (df_compact_blocks): Likewise.
15922 (df_dump): Likewise.
15923 * df-scan.c (df_rescan_blocks): Likewise.
15924 (df_record_entry_block_defs): Likewise.
15926 * genconditions.c (write_conditions): Guard the definition of
15927 'insn_conditions' with the check on GCC version.
15928 (write_writer): Guard the traversal 'insn_conditions' with
15929 the check on GCC version.
15931 2006-02-07 Richard Guenther <rguenther@suse.de>
15935 2006-01-30 Richard Guenther <rguenther@suse.de>
15937 * gimplify.c (gimplify_target_expr): Handle easy cases
15938 without creating a temporary.
15940 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
15942 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
15943 use of float in probability computations. Use edge probabilities
15944 in place of statically computed probabilities.
15945 (min_spec_prob): New static variable.
15946 (schedule_insns): Initialize it.
15947 (GET_SRC_PROB): Removed.
15948 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
15950 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
15953 * config/ia64/unwind-ia64.c: Revert last change.
15954 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
15955 (INCOMING_FRAME_SP_OFFSET): Define.
15957 2006-02-06 Roger Sayle <roger@eyesopen.com>
15959 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
15961 2006-02-07 Ben Elliston <bje@au.ibm.com>
15963 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
15964 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
15965 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
15966 (ix86_return_in_memory): Handle TDmode.
15967 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
15968 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
15970 2006-02-06 Richard Sandiford <richard@codesourcery.com>
15972 * reorg.c (dbr_schedule): Use dump_file instead of file.
15974 2006-02-06 Steve Ellcey <sje@cup.hp.com>
15977 * config/ia64/predicates.md (extr_len_operand): New predicate.
15978 * config/ia64/ia64.md (extv): Tighten constraints.
15980 (*tbit_and_2): Ditto.
15981 (*tbit_and_3): Ditto.
15982 (*tbit_or_2): Ditto.
15983 (*tbit_or_3): Ditto.
15984 (*bit_zero): Ditto.
15987 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
15990 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
15992 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
15994 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
15995 loop_optimizer_init and loop_optimizer_finalize
15996 * tree-ssa-sink.c (execute_sink_code): Ditto.
15997 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15998 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
15999 tree_ssa_loop_done): Ditto.
16000 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
16001 * sched-ebb.c: Include output.h.
16002 (schedule_ebbs): Do not use dump argument.
16003 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
16004 * loop.c (loop_dump_stream): Removed.
16005 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
16007 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
16008 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
16009 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
16010 loop_iterations, strength_reduce, record_biv, record_giv,
16011 final_giv_value, check_final_value, check_ext_dependent_givs,
16012 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
16013 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
16014 dump_file instead of loop_dump_stream.
16015 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
16016 argument dump_file.
16017 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
16019 * flow.c (life_analysis, rest_of_handle_life): Ditto.
16020 * haifa-sched.c: Include output.h
16021 (schedule_insns, sched_init): Do not use dump argument.
16022 * mode-switching.c (optimize_mode_switching): Ditto.
16023 * modulo-sched.c (stats_file): Removed.
16024 (print_node_sched_params): Do not call argument dump_file.
16025 (sms_schedule_by_order, loop_canon_p, sms_schedule,
16026 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
16028 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
16030 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
16031 rtl_loop_init, rtl_loop_done): Ditto.
16032 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
16033 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
16035 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
16036 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
16037 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
16038 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
16039 * emit-rtl.c (renumber_insns): Ditto.
16040 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
16041 expand_gimple_basic_block, tree_expand_cfg): Ditto.
16042 * regclass.c (regclass): Ditto.
16043 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
16044 remove_ssa_form, rewrite_out_of_ssa): Ditto.
16045 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
16046 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
16048 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
16049 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
16051 * gcse.c (gcse_file, debug_stderr): Removed.
16052 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
16053 rest_of_handle_gcse): Do not use dump argument.
16054 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
16055 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
16056 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
16057 compute_code_hoist_vbeinout, compute_code_hoist_data,
16058 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
16059 compute_store_table, build_store_vectors, insert_insn_start_bb,
16060 insert_store, remove_reachable_equiv_notes, replace_store_insn,
16061 store_motion): Use dump_file instead of gcse_file.
16062 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
16063 * profile.c (profile_dump_file): Removed.
16064 (branch_prob): Use dump_file instead of profile_dump_file.
16065 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
16067 * tree-ssa-copy.c (dump_copy_of): Ditto.
16068 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
16069 dump file to life_analysis.
16070 * bt-load.c (branch_target_load_optimize): Ditto.
16071 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
16073 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
16074 regclass, dbr_schedule): Declaration changed.
16075 * sched-int.h (sched_init): Declaration changed.
16076 * tree-profile.c (tree_profile_dump_file): Removed.
16077 (tree_profile_hooks): Removed profile_dump_file hook.
16078 * rtl-profile (rtl_profile_dump_file): Removed.
16079 (rtl_profile_hooks): emoved profile_dump_file hook.
16080 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
16082 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
16083 * tree-cfg.c (build_tree_cfg): Ditto.
16084 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
16085 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
16086 Declaration changed.
16087 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
16088 life_analysis and schedule_insns.
16089 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
16091 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
16093 * config/mips/mips.c (mips_reorg): Ditto.
16094 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
16097 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
16099 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16100 (s390_mangle_fundamental_type): New.
16101 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16104 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16105 (alpha_mangle_fundamental_type): New.
16106 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16109 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16111 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16113 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16114 (sparc_mangle_fundamental_type): New.
16116 2006-02-06 Jakub Jelinek <jakub@redhat.com>
16118 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
16119 (s390x-*-linux*): Likewise.
16120 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
16121 * config/s390/t-linux: New file.
16123 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16125 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
16126 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
16128 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
16130 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
16131 (ANTIC_SAFE_LOADS): New macro.
16132 (find_or_generate_expression): Add prototype.
16133 (set_contains_value): Allow null set for sake of not always having
16134 to allocate ANTIC_SAFE_LOADS.
16135 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
16136 Allow COMPONENT_REF too.
16137 (valid_in_set): Allow COMPONENT_REF.
16138 Check ANTIC_SAFE_LOADS too.
16139 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
16140 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
16142 (can_PRE_operation): Add COMPONENT_REF.
16143 (create_component_ref_by_pieces): New function.
16144 (create_expression_by_pieces): Use create_component_ref_by_pieces.
16145 (insert_aux): Move AGGREGATE_TYPE_P check here.
16146 (compute_avail): Set bb local stmt uids.
16147 (pass_pre): Use TODO_update_ssa_only_virtuals.
16149 2006-02-06 Ben Elliston <bje@au.ibm.com>
16151 * configure.ac: Unconditionally disable decimal float by default.
16152 * configure: Regenerate.
16154 2006-02-06 Ben Elliston <bje@au.ibm.com>
16156 * read-rtl.c (read_name): Terminate reading on EOF.
16158 2006-02-06 Ben Elliston <bje@au.ibm.com>
16160 * dfp.c (decimal_real_arithmetic): Change second argument type
16161 from int to enum tree_code. Do not always return true, but now
16162 return result of any call to decimal_do helper functions.
16163 * dfp.h (decimal_real_arithmetic): Update prototype.
16165 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
16167 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
16169 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
16172 * tree-cfg.c (cleanup_dead_labels): Also don't remove
16175 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16177 * tree-vrp.c (cfg_loops): Removed.
16178 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
16179 Use current_loops instead of cfg_loops. Pass flags to
16180 loop_optimizer_init.
16181 * cfgloopmanip.c (fix_loop_structure): Update only available
16183 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
16184 loop_optimizer_init.
16185 * modulo-sched.c (build_loops_structure): Removed.
16186 (sms_schedule): Use loop_optimizer_init.
16187 * loop-init.c (loop_optimizer_init): Use flags to determine
16188 which properties of loops to prepare.
16189 (rtl_loop_init): Pass flags to loop_optimizer_init.
16190 * tree-ssa-sink.c (execute_sink_code): Ditto.
16191 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
16192 * tree-ssa-pre.c (init_pre): Ditto.
16193 * cfgloop.h (LOOPS_NORMAL): New.
16194 (loop_optimizer_init): Declaration changed.
16196 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16198 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
16199 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
16201 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
16203 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
16205 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
16206 * pa/t-pa64: Delete quadlib.c rule.
16207 * pa/x-ada: Revert last change.
16208 * pa/t-pa: Revert last change. Delete quadlib.c rule.
16210 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16212 PR rtl-optimization/26087
16213 * rtlanal.c (canonicalize_condition): Do not cross basic block
16216 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
16219 * config/ia64/ia64.c: Include debug.h.
16220 (MAX_ARTIFICIAL_LABEL_BYTES): New.
16221 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
16222 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
16223 (process_epilogue, process_set, process_for_unwind_directive):
16224 Output unwind info only if requested. Add CFA info if requested.
16225 Add new arguments as needed. Adjust callers.
16226 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
16228 (DWARF2_FRAME_INFO): Define to zero.
16229 * config/ia64/unwind-ia64.c: Remove code that compensated for
16230 the CFA offset error fixed above.
16231 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
16232 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
16233 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
16234 -funwind-tables and -fexceptions to enable frame info.
16235 (dwarf2out_frame_init): Define initial CFA even if
16236 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
16237 DWARF2_UNWIND_INFO is nonzero, not just defined.
16238 (dwarf2out_frame_finish): Output non-EH call frame info only
16239 if DWARF2_FRAME_INFO is nonzero.
16240 (convert_cfa_to_loc_list,
16241 compute_frame_pointer_to_cfa_displacement): Define even if
16242 unwind info is not supported.
16243 (gen_subprogram_die): Use the above unconditionally. Remove
16244 legacy alternate code.
16245 * toplev.c (compile_file): Compile in call to
16246 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
16247 (lang_dependent_init): Ditto for dwarf2out_frame_init.
16249 2006-02-04 David Edelsohn <edelsohn@gnu.org>
16250 Jakub Jelinek <jakub@redhat.com>
16252 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
16253 IBM extended float format long double as "g" on powerpc*-linux.
16255 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16258 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
16259 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
16261 2006-02-03 Jason Merrill <jason@redhat.com>
16264 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
16266 PR middle-end/25977
16267 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
16268 on the return slot if it's an NRV.
16270 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
16272 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
16273 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
16274 rewrite_use): Do not handle USE_OUTER.
16275 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
16276 add_iv_outer_candidates, may_replace_final_value,
16277 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
16278 (find_interesting_uses_op): Functionality of
16279 find_interesting_uses_outer_or_nonlin moved here.
16280 (find_interesting_uses_outside): Use find_interesting_uses_op.
16282 2006-02-03 Alan Modra <amodra@bigpond.net.au>
16285 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
16287 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
16288 Ulrich Weigand <uweigand@de.ibm.com>
16291 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
16292 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
16293 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
16294 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
16296 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
16297 (s390_rtx_costs): Use the new fields to calculate rtx costs.
16298 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
16299 Define secondary reloads for TFmode moves.
16300 (constant_modes): Add TFmode.
16301 (NR_C_MODES): Set to 8.
16302 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
16304 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
16305 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
16306 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
16307 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
16308 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
16309 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
16310 (FPR mode macro): Add TFmode.
16311 (DSF mode macro): New.
16312 (<de>, <dee> mode attributes): Removed.
16313 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
16314 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
16315 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
16316 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
16317 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
16318 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
16319 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
16320 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
16321 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
16322 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
16323 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
16324 "*negabs<mode>2", "sqrt<mode>2"):
16325 Changed <de> to <xde>. R constraint replaced by <Rf>.
16326 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
16328 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
16329 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
16330 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
16332 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
16333 "extenddftf2", "extendsftf2"): New expanders.
16334 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
16335 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
16336 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
16337 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
16339 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
16340 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
16341 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
16342 __floatditf): Add a GCC_4.1.0 symbol version tag.
16343 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
16346 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
16349 * config/i386/i386.c (ix86_function_ok_for_sibcall):
16350 Use targetm.binds_local_p instead of TREE_PUBLIC.
16352 2006-02-02 Roger Sayle <roger@eyesopen.com>
16354 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
16355 on INTEGER_TYPEs to indicate that it denotes a character type.
16356 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
16357 signed_char_type_node, unsigned_char_type_node and char_type_node.
16358 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
16359 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
16360 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
16362 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
16363 Daniel Berlin <dberlin@dberlin.org>
16365 * tree-tailcall.c (arg_needs_copy_p): New function.
16366 (eliminate_tail_call): Use arg_needs_copy_p.
16367 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
16368 (add_virtual_phis): New function.
16370 2006-02-02 Jakub Jelinek <jakub@redhat.com>
16372 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
16373 #ignore instead of #scratch for %g7 .register directive.
16375 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
16377 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
16380 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16382 * flow.c (calculate_global_regs_live): Assert that there aren't any
16385 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
16387 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
16388 what its name says.
16389 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
16390 bsi_after_labels iterator.
16391 * tree-if-conv.c (find_phi_replacement_condition,
16392 replace_phi_with_cond_modify_expr): Likewise.
16393 * tree-scalar-evolution.c (scev_const_prop): Likewise.
16394 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
16396 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16398 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
16400 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16403 * tree-cfg.c (move_block_to_fn): Clear out the basic block
16404 array after growing it.
16406 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16408 PR middle-end/24901
16409 * fold-const.c (fold_checksum_tree): Change type of buf.
16411 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
16413 * reload.c (push_secondary_reload): Initialize t_icode.
16415 2006-02-01 Jakub Jelinek <jakub@redhat.com>
16417 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
16418 -msoft-float -mlong-double-128 only issue a warning, but don't
16419 swich to DFmode long double.
16421 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
16423 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
16424 has a constant equivalent, iterate over equivalents for arg0,
16425 calling simplify_relational_operation and if there's a result
16426 cheaper than X, apply fold_rtx and return the result.
16428 2006-02-01 Jan Hubicka <jh@suse.cz>
16430 * opts.c (no_unit_at_a_time_default): New global variable.
16431 (decode_options): Use it.
16432 * opts.h (no_unit_at_a_time_default): Declare.
16434 2006-02-01 Paul Brook <paul@codesourcery.com>
16436 * function.c (assign_parm_setup_reg): Use function argument promotion
16438 * expr.c (expand_expr_real_1): Use function argument promotion rules
16441 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16443 * gcc.c (process_command): Change j to 'unsigned int'.
16445 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16447 PR middle-end/26001
16448 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
16449 Use the corrected index for the character
16450 out of the string constant.
16452 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16454 * mode-switching.c (optimize_mode_switching): Fix size
16455 allocated for bb_info[n_entities].
16457 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16459 * gcc.c (main): Correct type that is allocated for
16460 explicit_link_files.
16462 2006-01-31 Jakub Jelinek <jakub@redhat.com>
16464 * config/s390/s390.c (init_alignment_context): Set
16465 ALIAS_SET_MEMORY_BARRIER on the MEM.
16466 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
16468 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
16470 PR middle-end/25933
16471 * loop-unroll.c (unroll_loop_runtime_iterations): Free
16473 * tree-ssa-live.c (type_var_init): Allocate bitmap after
16476 2006-01-31 Marcin Dalecki <martin@dalecki.de>
16478 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
16479 * regrename.c: Ditto.
16480 * tree-ssa-loop-im.c: Ditto.
16481 * tree-dump.c: Ditto.
16482 * tree-complex.c: Ditto.
16483 * genrecog.c: Ditto.
16484 * tree-ssa-threadupdate.c: Ditto.
16486 * java/class.c: Ditto.
16487 * java/jcf-parse.c: Ditto.
16488 * java/resource.c: Ditto.
16489 * java/except.c: Ditto.
16490 * java/jvspec.c: Ditto.
16491 * java/jcf-write.c: Ditto.
16492 * java/jcf-path.c: Ditto.
16493 * java/gjavah.c: Ditto.
16494 * java/zextract.c: Ditto.
16495 * java/jcf-io.c: Ditto.
16496 * java/jcf.h: Ditto.
16497 * java/buffer.c: Ditto.
16498 * java/lang.c: Ditto.
16499 * java/parse-scan.y: Ditto.
16500 * java/lex.c: Ditto.
16501 * java/lex.h: Ditto.
16502 * cfgloopmanip.c: Ditto.
16503 * postreload-gcse.c: Ditto.
16504 * tree-ssa-loop-manip.c: Ditto.
16505 * postreload.c: Ditto.
16506 * tree-ssa-loop-ch.c: Ditto.
16509 * cppspec.c: Ditto.
16510 * diagnostic.c: Ditto.
16512 * genoutput.c: Ditto.
16514 * cfghooks.c: Ditto.
16515 * cfgloopanal.c: Ditto.
16516 * objc/objc-act.c: Ditto.
16518 * genextract.c: Ditto.
16519 * genautomata.c: Ditto.
16520 * pretty-print.c: Ditto.
16521 * genemit.c: Ditto.
16522 * cgraphunit.c: Ditto.
16524 * df-scan.c: Ditto.
16525 * haifa-sched.c: Ditto.
16526 * dominance.c: Ditto.
16528 * tree-ssa-loop-ivopts.c: Ditto.
16529 * df-core.c: Ditto.
16530 * mode-switching.c: Ditto.
16531 * modulo-sched.c: Ditto.
16533 * ipa-pure-const.c: Ditto.
16535 * fix-header.c: Ditto.
16537 * tree-stdarg.c: Ditto.
16538 * ipa-utils.c: Ditto.
16539 * loop-init.c: Ditto.
16540 * ipa-inline.c: Ditto.
16541 * cfganal.c: Ditto.
16543 * alloc-pool.c: Ditto.
16544 * dwarf2out.c: Ditto.
16546 * genattrtab.c: Ditto.
16547 * tree-ssa-loop-ivcanon.c: Ditto.
16548 * predict.c: Ditto.
16549 * timevar.c: Ditto.
16551 * fortran/gfortranspec.c: Ditto.
16552 * regmove.c: Ditto.
16553 * local-alloc.c: Ditto.
16554 * langhooks.c: Ditto.
16555 * function.c: Ditto.
16556 * tree-vectorizer.c: Ditto.
16558 * ipa-type-escape.c: Ditto.
16560 * tree-if-conv.c: Ditto.
16561 * profile.c: Ditto.
16563 * tree-data-ref.c: Ditto.
16564 * loop-unroll.c: Ditto.
16565 * treelang/treetree.c: Ditto.
16567 * bt-load.c: Ditto.
16568 * ggc-common.c: Ditto.
16570 * coverage.c: Ditto.
16572 * tree-cfgcleanup.c: Ditto.
16573 * tree-ssa-pre.c: Ditto.
16574 * cfgcleanup.c: Ditto.
16575 * loop-invariant.c: Ditto.
16576 * loop-iv.c: Ditto.
16577 * ipa-prop.c: Ditto.
16578 * print-tree.c: Ditto.
16579 * conflict.c: Ditto.
16580 * ggc-page.c: Ditto.
16581 * sched-deps.c: Ditto.
16582 * regclass.c: Ditto.
16583 * tree-object-size.c: Ditto.
16584 * combine.c: Ditto.
16585 * bb-reorder.c: Ditto.
16586 * resource.c: Ditto.
16587 * var-tracking.c: Ditto.
16588 * cfgloop.c: Ditto.
16589 * df-problems.c: Ditto.
16590 * reg-stack.c: Ditto.
16592 * gccspec.c: Ditto.
16593 * sched-rgn.c: Ditto.
16594 * tree-ssa-structalias.c: Ditto.
16595 * tree-ssa-reassoc.c: Ditto.
16596 * config/darwin-c.c: Ditto.
16597 * config/darwin.c: Ditto.
16598 * config/arm/arm.c: Ditto.
16600 * collect2.c: Ditto.
16601 * reload1.c: Ditto.
16603 2006-01-31 Nicolas Pitre <nico@cam.org>
16605 * arm.md (smaxsi3): Make aware of smax_m1.
16608 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
16610 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
16612 2006-01-31 Richard Guenther <rguenther@suse.de>
16614 * doc/invoke.texi (-msselibm): Document.
16615 * target.h (expand_library_builtin): New target hook.
16616 * builtins.c (expand_builtin): Use expand_library_builtin.
16617 (default_expand_library_builtin): New function.
16618 * gcc.c (LINK_GCC_MATH_SPEC): Define.
16619 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
16620 (link_gcc_math_spec): Declare.
16621 (static_specs): Add link_gcc_math_spec.
16622 * expr.h (default_expand_library_builtin): Declare.
16623 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16624 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
16625 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
16626 * config/i386/i386.opt (msselibm): New target option.
16627 * config/i386/i386.c (ix86_builtin_function_variants): New array.
16628 (ix86_init_sse_abi_builtins): New function.
16629 (ix86_expand_library_builtin): Likewise.
16630 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16631 (override_options): Handle error conditions wrt -msselibm.
16632 (ix86_builtins): Add function codes for SSE2 ABI builtins.
16633 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
16634 * doc/extend.texi (__builtin_sse2_*): Document new target specific
16637 2006-01-31 Richard Guenther <rguenther@suse.de>
16638 Paolo Bonzini <bonzini@gnu.org>
16640 * doc/install.texi (--disable-libgcc-math): Document.
16642 2006-01-30 Marcin Dalecki <martin@dalecki.de>
16644 * expr.h (expand_normal): new inline function.
16645 * builtins.c: use it, use EXPAND_NORMAL explicitely.
16646 * dojump.c: use it.
16647 * dwarf2out.c: use it.
16650 * expmed.c: use it.
16651 * except.c: use it.
16652 * config/sparc/sparc.c: use it.
16653 * config/i386/i386.c: use it.
16654 * config/rs6000/rs6000.c: use it.
16655 * config/arm/arm.c: use it.
16656 * config/mips/mips.c: use it.
16657 * stmt.c: use it, use EXPAND_NORMAL explicitely.
16659 2006-01-30 Roger Sayle <roger@eyesopen.com>
16661 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
16662 argv to the appropriate type.
16664 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
16666 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
16669 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
16672 * config/s390/s390.c (struct machine_function): New flag
16673 decomposed_literal_pool_addresses_ok_p.
16674 (s390_reorg): Set it before final stage of literal pool transforms.
16675 (s390_decompose_address): Only accept displacements of the form
16676 (minus (label_ref ...) (label_ref ...)) if that flag is set.
16678 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
16680 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
16681 the comparison routine return.
16683 2006-01-30 Michael Matz <matz@suse.de>
16685 * global.c (find_reg): Only evict for global regs.
16686 Take n_refs into account and dump more info.
16688 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
16691 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
16692 (pragma_trap, pragma_nosave_low_regs): Likewise.
16693 (current_function_anonymous_args): Likewise.
16694 (sh_deferred_function_attributes): New variable.
16695 (sh_deferred_function_attributes_tail): Likewise.
16696 (print_operand): For '@', look up trap_exit attribute.
16697 (calc_live_regs): Look up trapa_handler attribute. For trapa
16698 handlers, save/restore fpscr, but don't do any other
16699 interrupt-specific saves.
16700 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
16701 Fix check for partially saved registers to check for SHmedia.
16702 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
16703 (sh_output_function_epilogue): Don't clear any of the removed
16705 (sh_insert_attributes): Don't check pragma_interrupt.
16706 Insert deferred attributes. Check that interrupt attribute is
16707 present for other attributes that require its presence.
16708 (sh_attribute_table): Add new attributes trapa_handler and
16710 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
16711 Don't check for pragma_interrupt. Don't store argument.
16712 * sh.h (pragma_interrupt, sp_switch): Don't declare.
16713 (sh_deferred_function_attributes): Declare.
16714 (sh_deferred_function_attributes_tail): Likewise.
16715 * sh.md (sp_switch_1): Add operand. Change generator caller.
16716 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
16717 (*return_i): Don't use when trap_exit attribute is in effect.
16718 (*return_trapa): New insn pattern.
16719 * sh-c.c: New file.
16720 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
16721 setting c_target_objs and cxx_target_objs.
16722 * t-sh: Add rule for sh-c.o.
16724 2006-01-30 Richard Guenther <rguenther@suse.de>
16727 * gimplify.c (gimplify_target_expr): Handle easy cases
16728 without creating a temporary.
16730 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
16732 * vec.h (safe_grow): Remove duplicated line.
16734 2006-01-29 Diego Novillo <dnovillo@redhat.com>
16737 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
16738 (expand_omp): ... here.
16739 (expand_omp_parallel): Only remove barriers for combined
16740 parallel+workshare constructs.
16742 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
16746 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
16747 * tree.c (build_qualified_type): Chain the new type to the original
16748 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
16749 a POINTER_TYPE or a REFERENCE_TYPE respectively.
16750 (build_pointer_type_for_mode): Only return unqualified types.
16751 (build_reference_type_for_mode): Likewise.
16753 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
16755 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
16756 * Makefile.in (CXX_COMPAT_WARN): Define.
16757 * configure: Regenerate.
16759 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
16762 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
16765 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16767 * toplev.c: Fix thinko.
16769 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16770 Marcin Dalecki <martin@dalecki.de>
16772 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
16773 (push_srcloc): Use XNEW.
16774 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
16776 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
16778 * df-core.c (df_set_blocks): Deleted all variable.
16780 2006-01-28 Ian Lance Taylor <ian@airs.com>
16782 * cgraphunit.c (cgraph_assemble_pending_functions): Call
16783 cgraph_output_pending_asms.
16785 2006-01-28 Zack Weinberg <zackw@panix.com>
16787 * c.opt: Add -W(no-)overlength-strings.
16788 * doc/invoke.texi: Document it.
16789 * c-opts.c (c_common_handle_option): -pedantic implies
16790 -Woverlength-strings, if not explicitly disabled already.
16791 (c_common_post_options): -Woverlength-strings defaults to off, and
16792 is always off for C++.
16793 * c-common.c (fix_string_type): Issue warning about strings longer
16794 than is portable only if warn_overlength_strings. Rearrange code
16795 a little for clarity.
16796 * configure.in: Check for -Wno-overlength-strings as well before
16797 enabling -pedantic in stage 1.
16798 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
16799 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
16801 * genconditions.c (write_header, write_one_condition)
16802 (write_conditions, write_writer): Consolidate very long strings
16803 that were broken up to fit in C89 portable limit. Don't use
16804 printf when fputs will do.
16806 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
16808 * combine.c (simplify_comparison <AND>): Check
16809 TRULY_NOOP_TRUNCATION before start using a subreg.
16811 * config/mips/mips.md (*branch_zero<mode>,
16812 *branch_zero<mode>_inverted, *branch_equality<mode>,
16813 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
16814 Remove mode check from comparisons.
16816 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
16818 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
16820 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16822 * expmed.c (const_mult_add_overflow_p): Remove.
16823 * expr.h: Remove the prototype for const_mult_add_overflow_p.
16825 * recog.c (validate_replace_rtx_subexp): Remove.
16826 * recog.h: Remove the prototype for
16827 validate_replace_rtx_subexp.
16829 * integrate.h: Remove the prototype for
16830 copy_decl_for_inlining.
16831 * rtl.h: Remove the prototype for mark_constant_function.
16832 * tree-vectorizer.h: Remove the prototype for
16833 vect_strip_conversion.
16835 * modulo-sched.c (create_partial_schedule,
16836 free_partial_schedule, reset_partial_schedule): Make them
16839 * hooks.c (hook_bool_rtx_int_false): Remove.
16840 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
16842 2006-01-28 David Edelsohn <edelsohn@gnu.org>
16844 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16845 and -mlong-double-128 are incompatible.
16846 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
16847 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
16848 (TARGET_LIBGCC2_CFLAGS): Define.
16849 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
16850 (TARGET_LIBGCC2_CFLAGS): Same.
16851 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
16853 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16856 * c-typeck.c (build_binary_op): Perform implicit casts of
16857 operands before shortening them.
16859 * cfgloopmanip.c (split_loop_bb): Remove.
16860 * cfgloop.h: Remove the prototype for split_loop_bb.
16862 * cfgloop.c (flow_loop_outside_edge_p): Remove.
16863 * cfgloop.h: Remove the prototype for
16864 flow_loop_outside_edge_p.
16866 * emit-rtl.c (init_virtual_regs): Make it static.
16867 * function.h: Remove the prototype for init_virtual_regs.
16869 * recog.c (peephole2_optimize): Make it static.
16870 * recog.h: Remove the prototype for peephole2_optimize.
16872 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16874 * df-scan.c (df_record_entry_block_defs): Check if
16875 INCOMING_RETURN_ADDR_RTX is defined.
16877 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
16878 Kenneth Zadeck <zadeck@naturalbridge.com>
16880 PR rtl-optimization/24762
16881 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16882 * targhooks.c (hook_void_bitmap): New hook prototype.
16883 * targhoohs.h (hook_void_bitmap): Ditto.
16884 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
16885 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
16886 * target.h (live_on_entry): New function pointer.
16887 * df-scan.c (df_all_hard_regs): Removed.
16888 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
16889 (df_scan_free_internal): Added df->entry_block_defs.
16890 (df_scan_alloc): Ditto.
16891 (df_scan_dump): Ditto.
16892 (df_uses_record): Plumbed flag field properly thru calls.
16893 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
16894 This part fixes PR24762.
16895 (df_bb_refs_record): Added code to make the frame and arg
16896 pointers live in EH blocks.
16897 (df_refs_record): Added call to df_record_entry_block_defs.
16898 (df_record_entry_block_defs): New function.
16899 * df-core.c: Added comments to describe new artifical defs.
16900 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
16901 (entry_block_defs): New field in struct df.
16902 (df_all_hard_regs): Deleted.
16903 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16904 * df-problems.c (df_ru_bb_local_compute_process_def):
16905 Added code to handle artifical defs in the entry to a function.
16906 (df_ru_bb_local_compute): Ditto.
16907 (df_rd_bb_local_compute_process_def): Ditto.
16908 (df_rd_bb_local_compute): Ditto.
16909 (df_lr_bb_local_compute): Ditto.
16910 (df_ur_bb_local_compute): Ditto.
16911 (df_urec_bb_local_compute): Ditto.
16912 (df_chain_create_bb): Ditto.
16913 (df_ur_local_finalize): Removed entry.
16914 (df_urec_init): Ditto.
16915 (df_urec_local_finalize): Ditto.
16916 (df_ri_bb_compute): Added detection of last use of pseudos.
16917 * Makefile.in (df-scan.o): Updated dependencies.
16918 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
16919 * config/mips/mips.c (mips_set_live_on_entry): Added.
16920 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
16922 * dce.c (marked_insn_p): Added code to handle artifical defs.
16924 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16926 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
16928 (_mm_cvtsi128_si64): Likewise.
16929 (_mm_cvtsd_si64): Likewise.
16930 (_mm_cvttsd_si64): Likewise.
16931 (_mm_cvtsi64_sd): Likewise.
16932 (_mm_cvtsi64_si128): Likewise.
16933 * config/i386/mmintrin.h (_m_from_int64): Likewise.
16934 (_mm_cvtsi64_m64): Likewise.
16935 (_m_to_int64): Likewise.
16936 (_mm_cvtm64_si64): Likewise.
16937 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
16938 (_mm_cvttss_si64): Likewise.
16939 (_mm_cvtsi64_ss): Likewise.
16940 (_mm_cvtss_f32): Likewise.
16942 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
16944 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
16945 for pragma redefine_extname.
16947 2006-01-27 Jakub Jelinek <jakub@redhat.com>
16950 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
16951 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
16952 -mno-minimal-toc to previous content.
16953 (bispecs): Remove goal.
16954 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
16955 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
16956 compatibility aliases on powerpc-*-*gnu*.
16957 * config/rs6000/libgcc-ppc-glibc.ver: New file.
16958 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
16959 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
16960 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
16961 (ldblspecs): New goal.
16962 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
16963 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
16965 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
16966 L_sf_to_tf or L_df_to_tf is defined.
16968 2006-01-27 David Edelsohn <edelsohn@gnu.org>
16969 Alan Modra <amodra@bigpond.net.au>
16972 * config/rs6000/linux.h (POWERPC_LINUX): Define.
16973 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
16974 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
16975 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
16976 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
16977 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
16978 (rs6000_override_options): Initialize rs6000_ieeequad.
16979 Initialize TFmode format to ibm_extended_format if not
16981 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
16983 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
16984 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
16985 (function_arg_advance): IBM long double passed in two FPRs, not
16987 (function_arg): IBM long double passed in FPRs.
16988 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
16989 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
16990 Only multireg GPR aligned.
16991 (rs6000_init_libfuncs): Enable IBM long double functions if not
16993 (rs6000_generate_compare): Use IBM long double compare if not
16995 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
16996 (TARGET_IEEEQUAD): Define.
16997 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
16998 not TARGET_IEEEQUAD.
16999 * config/rs6000/rs6000.md: Enable TFmode patterns if
17001 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
17002 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
17003 and -mlong-double-128 are incompatible.
17004 * doc/invoke.texi (-mabi): Collect options together. Add
17005 ibmlongdouble and ieeelongdouble.
17007 2006-01-27 Richard Sandiford <richard@codesourcery.com>
17009 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
17011 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
17012 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
17013 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
17014 * rtl.h (rtunion_def): Remove rt_ptr.
17016 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
17017 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
17018 * config/i386/winnt.c (i386_pe_mark_dllexport)
17019 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
17021 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
17023 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
17025 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17029 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
17030 pthread_key_delete. From John David Anglin. gthrw-ify
17031 pthread_getunique_np only if it it's not a macro. Delete
17033 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
17034 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
17035 __gthread_objc_condition_signal, __gthread_key_delete): Add
17036 "__attribute__ ((__unused__))" to unused arguments.
17037 (__gthread_recursive_mutex_init_function): Add missing return.
17038 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
17039 gthr-posix95.h: Use macro-based approach for name redirection
17040 on targets missing weakref.
17042 2006-01-26 Zack Weinberg <zackw@panix.com>
17044 * genconditions.c (write_header): In generated code, #ifdef out
17045 all includes and fake declarations, except includes of bconfig.h
17046 and system.h, unless GCC_VERSION >= 3001. Do not include
17047 gensupport.h in any case.
17048 (write_conditions): Generate a definition of struct c_test. Add
17049 a comment to the generated #endif.
17050 (write_one_condition): Escape backslashes in string too.
17051 (write_writer): Generated code must escape backslashes and quote
17052 marks (but not newlines) in the strings it writes.
17053 * Makefile.in (build/gencondmd.o): Update dependencies.
17055 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17058 * Makefile.in (insn-automata.o): Add header file dependencies.
17059 * genautomata.c: Add includes.
17061 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17064 * Makefile.in (insn-automata.o): Add -Wno-error flag.
17066 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17068 * configure.ac: Expect target tools paths to be passed from the toplevel
17069 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
17071 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
17073 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17076 * c.opt (Wpointer-sign): Init to -1.
17077 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
17078 OPT_pedantic, to 0 otherwise.
17079 * doc/invoke.texi: Update.
17081 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17083 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
17084 constants provided by 80387 instructions in the destination mode.
17086 2006-01-26 Richard Guenther <rguenther@suse.de>
17087 Andrew Pinski <pinskia@physics.uc.edu>
17090 partial PR tree-opt/17064
17091 * tree-ssa-structalias.c (intra_create_variable_infos):
17092 Create heap variables for incoming parameters if
17093 flag_argument_noalias > 1.
17094 (find_what_p_points_to): Look through default defs of
17097 2006-01-26 Jeff Law <law@redhat.com>
17100 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
17101 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
17102 within the VR_RANGE, use the VR_RANGE as the result, not the
17104 (adjust_range_with_scev): Reject ranges from SCEV which are out of
17105 bounds for the type.
17107 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
17109 * tree-ssa-alias.c (maybe_create_global_var): Change
17110 subvar walking to an assertion that we don't have subvar'd variables.
17112 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
17115 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
17116 Use a new variable, inner. PARM_DECLs are always non-weak.
17118 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
17120 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
17121 --disable-checking.
17123 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
17125 * config/mips/mips.md (*clear_upper32): New combiner pattern.
17127 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
17129 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
17130 (smax_insn, smin_insn, smax_0, smin_0): New.
17132 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
17135 * config/cris/cris.c (cris_order_for_addsi3): New function.
17136 * config/cris/cris-protos.h: Prototype it.
17137 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
17138 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
17139 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
17140 (split for "op.S1 [rx=rx+i],ry (swapped)")
17141 (split for "op(s|u).S1 [rx=rx+i],ry")
17142 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
17143 Apply cris_order_for_addsi3 when generating addsi3 insns.
17145 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17147 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
17148 (TREE_BLOCK): Add call to EXPR_CHECK.
17150 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17153 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
17154 * tree-pretty-print.c (dump_omp_clause): Extract from ...
17155 (dump_omp_clauses): ... here.
17156 (dump_generic_node): Handle OMP_CLAUSE.
17157 * tree.c (omp_clause_num_ops): New.
17158 (omp_clause_code_name): New.
17159 (tree_code_size): Handle OMP_CLAUSE.
17160 (tree_size): Likewise.
17161 (make_node): Document handling of OMP_CLAUSE.
17162 (tree_node_structure): Handle OMP_CLAUSE.
17163 (omp_clause_check_failed): New.
17164 (omp_clause_range_check_failed): New.
17165 (omp_clause_operand_check_failed): New.
17166 (build_omp_clause): New.
17167 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
17168 * tree.h (enum omp_clause_code): Declare.
17169 (OMP_CLAUSE_SUBCODE_CHECK): Define.
17170 (OMP_CLAUSE_RANGE_CHECK): Define.
17171 (OMP_CLAUSE_ELT_CHECK): Define.
17172 (omp_clause_check_failed): Declare.
17173 (omp_clause_operand_check_failed): Declare.
17174 (omp_clause_range_check_failed): Declare.
17175 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
17176 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
17177 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
17178 (OMP_CLAUSE_LASTPRIVATE): Likewise.
17179 (OMP_CLAUSE_IF_EXPR): Likewise.
17180 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
17181 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
17182 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
17183 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
17184 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
17185 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
17186 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
17187 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
17188 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
17189 (OMP_CLAUSE_CODE): Define.
17190 (OMP_CLAUSE_SET_CODE): Define.
17191 (OMP_CLAUSE_CODE): Define.
17192 (OMP_CLAUSE_OPERAND): Define.
17193 (struct tree_omp_clause): Declare.
17194 (union tree_node): Add field 'omp_clause'.
17195 * treestruct.def (TS_OMP_CLAUSE): Define.
17196 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
17197 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
17198 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
17199 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
17200 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
17201 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
17202 (OMP_CLAUSE): Define.
17203 * print-tree.c (print_node): Handle OMP_CLAUSE.
17204 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
17205 * c-typeck.c: Likewise.
17206 * gimplify.c: Likewise.
17207 * c-omp.c: Likewise.
17208 * tree-nested.c: Likewise.
17209 * tree-inline.c: Likewise.
17210 * c-parser.c: Likewise.
17211 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
17214 2006-01-25 Roger Sayle <roger@eyesopen.com>
17216 PR rtl-optimization/25703
17217 * combine.c (try_combine): Handle zero_extract and strict_low_part
17218 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
17220 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
17222 * global.c: Fix comment typos.
17224 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
17227 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
17228 Use output_addr_const instead of assemble_name.
17230 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
17232 * Makefile.in (sched-vis.o): Update dependencies.
17233 * haifa-sched.c (sched_finish): Clear current_sched_info.
17234 * cfg.c (dump_bb_info): New, split from dump_flow_info.
17235 (dump_flow_info): Call it.
17236 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
17238 * basic-block.h (dump_bb_info): Declare.
17239 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
17240 option, and apply options only for dump files whose TDF_RTL,
17241 TDF_TREE, or TDF_IPA bits match.
17242 * rtl.h: Declare new functions exported from sched-vis.c.
17243 * sched-vis.c: Enable also if scheduling is not used.
17244 (print_value): Print the mode of registers if not inside scheduling.
17245 (print_insn): Make it work outside the scheduler. Beautify the output
17247 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
17249 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17251 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
17252 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
17253 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
17254 depending on the value of CONSTANT_POOL_ADDRESS_P.
17255 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
17257 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
17258 rather than SYMBOL_REF_DECL.
17259 (rtx_constant_pool): Remove const_rtx_sym_htab.
17260 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
17261 (init_varasm_status): Don't initialize const_rtx_sym_htab.
17262 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
17263 Remove handling of const_rtx_sym_htab.
17264 (find_pool_constant): Delete.
17265 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
17266 rather than find_pool_constant.
17267 (get_pool_constant_for_function): Delete.
17268 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
17269 find_pool_constant.
17270 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
17271 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
17272 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
17273 (SYMBOL_REF_CONSTANT): New macro.
17274 (get_pool_constant_for_function): Delete.
17275 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
17276 rather than SYMBOL_REF_DECL.
17277 (i386_pe_mark_dllimport): Likewise.
17278 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
17279 rather than SYMBOL_REF_DECL.
17280 * config/darwin.c (machopic_indirect_data_reference): Likewise.
17281 (machopic_indirect_call_target): Likewise.
17283 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
17285 * flow.c (delete_noop_moves): Add missing EOL to dump message.
17287 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17289 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
17291 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
17293 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
17295 2006-01-24 David Daney <ddaney@avtrex.com>
17298 * configure.ac (enable_tls): New enable option.
17299 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
17300 * configure: Regenerate.
17301 * doc/install.texi (--enable-tls): Document new option.
17302 (--disable-tls): Ditto.
17304 2006-01-24 Richard Henderson <rth@redehat.com>
17306 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
17307 * alias.c (true_dependence): Respect it.
17308 (canon_true_dependence, write_dependence_p): Likewise.
17309 * builtins.c (get_builtin_sync_mem): Set it.
17311 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
17313 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
17316 2006-01-24 DJ Delorie <dj@redhat.com>
17318 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
17319 for storing constants in single-bit bitfields.
17321 2006-01-25 Ben Elliston <bje@au.ibm.com>
17323 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
17325 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
17328 * tree-ssa-pre.c (phi_translate): Return NULL
17329 for AGGREGATE_TYPE's.
17331 2006-01-24 Zack Weinberg <zackw@panix.com>
17333 * genautomata.c (process_state_for_insn_equiv_partition):
17334 Use xcalloc for insn_arcs_array.
17335 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
17336 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
17338 2006-01-24 Richard Henderson <rth@redhat.com>
17340 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
17341 update all callers.
17343 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
17345 PR rtl-optimization/25890
17346 PR rtl-optimization/25905
17347 * combine.c (expand_compound_operation, expand_field_assignment):
17348 Fail if the bitfield's final position is out of bounds.
17350 2006-01-24 Ian Lance Taylor <ian@airs.com>
17352 PR middle-end/25930
17353 * cgraphunit.c (cgraph_output_in_order): Don't clear
17354 cgraph_asm_nodes until after asm strings have been output.
17356 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
17358 * fix-header.c (read_scan_file): Add new parameter imultilib when
17359 calling register_include_chains.
17361 2006-01-23 Diego Novillo <dnovillo@redhat.com>
17363 * omp-low.c: Update documentation.
17365 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17366 Daniel Berlin <dberlin@dberlin.org>
17370 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
17371 return from the function.
17373 2006-01-22 Zack Weinberg <zackw@panix.com>
17375 * rtl.def (match_code): Add second argument.
17376 * genpreds.c (write_extract_subexp): New function.
17377 (write_match_code): Add path argument. Use write_extract_subexp.
17378 (write_predicate_expr): Pass path to write_match_code.
17379 (mark_mode_tests): MATCH_CODE applied to a subexpression does
17380 not perform a mode test.
17381 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
17382 a subexpression does not constrain the top-level code set.
17383 * read-rtl.c (read_rtx_variadic): New function.
17384 (read_rtx_1): Use it; allow AND and IOR to be variadic.
17385 * doc/md.texi: Document new notation.
17386 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
17387 (cmpsi_operand): ... here, using new notation.
17389 2006-01-22 Zack Weinberg <zackw@panix.com>
17391 * varray.c: Remove GENERATOR_FILE #ifdefs.
17393 2006-01-22 Zack Weinberg <zackw@panix.com>
17395 * genautomata.c (output_reserved_units_table): Emit nothing if
17396 description->query_units_num is zero. Remove extra blank line.
17397 (output_cpu_unit_reservation_p): Short circuit
17398 if description->query_units_num is zero.
17400 2006-01-22 Zack Weinberg <zackw@panix.com>
17402 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
17403 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
17404 nor any of the random handful of variables that used to be necessary
17405 when this program was linked with rtlanal.o. Prune set of forward
17406 function declarations.
17407 (struct attr_desc): Remove static_p field.
17408 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
17409 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
17410 (attr_string): Do not read the character one past the length of
17412 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
17413 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
17414 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
17415 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
17416 (make_automaton_attrs): New.
17417 (main): Do not call into genautomata. Call local gen_bypass
17418 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
17419 Remove special case for insn_alts.
17420 * genautomata.c: Include gensupport.h; not genattrtab.h nor
17421 varray.h (leftover from previous change). Prune set of forward
17422 function declarations. Remove state_alts fields from all
17423 structures. Remove state_alts_table from struct automaton.
17424 Make everything except main static. Do not maintain num_dfa_decls.
17425 Do not maintain state_alts fields of various structures.
17426 (process_decls): Don't validate condexp for dm_insn_reserv decls.
17427 (add_arc): Remove state_alts argument. All callers updated.
17428 (output_reserved_units_table): Emit #ifdef here...
17429 (output_tables): ...not here. Don't generate state_alts tables.
17430 (expand_automata): Don't generate attributes.
17431 (write_automata): Don't generate state_alts functions.
17432 (main): New function.
17433 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
17434 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
17435 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
17436 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
17437 (BYPASS_P_FUNC_NAME, output_state_alts_table)
17438 (output_automata_list_state_alts_code, output_internal_state_alts_func)
17439 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
17440 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
17442 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
17443 * genattrtab.h: Delete file.
17444 * Makefile.in (OBJS-common): Add insn-automata.o.
17445 (insn-automata.o): New rule.
17446 (simple_generated_c): Add insn-automata.c.
17447 (build/genattrtab.o, build/genautomata.o): Update dependencies.
17448 (genprogmd): Add automata.
17449 (build/genattrtab): Needs no extra objects nor libraries.
17450 (build/genautomata): Needs build/vec.o and -lm.
17452 2006-01-22 Zack Weinberg <zackw@panix.com>
17454 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
17455 (output_dfa_max_issue_rate, locked_states_num): Delete.
17456 (struct automaton): Add locked_states field.
17457 (output_dead_lock_vect): Save number of locked states in
17458 automaton->locked_states. If it is zero, don't print anything.
17459 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
17460 (output_internal_dead_lock_func): Only test the dead_lock_vect
17461 for automata that have locked states.
17462 (output_statistics): Always print the number of locked states for
17463 each automaton. Calculate total number of locked states here.
17464 (write_automata): Don't call output_dfa_max_issue_rate.
17465 * genattrtab.c: Define length_unit_log as a const variable.
17466 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
17467 max_insn_queue_index const.
17468 * final.c (length_unit_log): Declare const.
17469 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
17471 2006-01-22 Zack Weinberg <zackw@panix.com>
17473 * genautomata.c: Include vec.h, not varray.h.
17474 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
17475 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
17476 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
17477 VEC_* macros operating on appropriately typed vectors, or to
17478 malloced arrays when the size is known in advance. Const-ify
17479 many char* variables and function arguments. No functional changes.
17480 * Makefile.in (build/varray.o): Delete rule.
17481 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
17482 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
17484 2006-01-22 Zack Weinberg <zackw@panix.com>
17486 * gensupport.c: Define get_insn_name and record_insn_name here.
17487 (read_md_rtx): Call record_insn_name as appropriate.
17488 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
17489 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
17490 * genpreds.c, genrecog.c: Don't define get_insn_name nor
17492 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
17493 (BUILD_VARRAY): Delete.
17494 (genprognormal): Rename genprogmd. Fold in all programs from
17495 genprognoprint; also attrtab.
17496 (build/genattrtab): Just mention genautomata.o and varray.o.
17497 Reorganize a bit, add comments to make the categories clearer.
17499 2006-01-22 Zack Weinberg <zackw@panix.com>
17501 * genconditions.c (condition_table, add_condition): Delete.
17502 (write_conditions): Don't emit n_insn_conditions nor
17503 insn_elision_unavailable. Issue the gcc version #ifdef here,
17504 inside the table, with no #else clause ...
17505 (write_header): ...not here.
17506 (write_writer): New function.
17507 (main): Don't initialize condition_table. Use add_c_test.
17509 * gensupport.c (init_md_reader_args_cb): Handle multiple input
17510 files on the command line.
17511 (maybe_eval_c_test): Don't check insn_elision_unavailable.
17512 Return -1 if there is no entry in the table, don't abort.
17513 (add_c_test, traverse_c_tests): New functions.
17514 * gensupport.h (insn_elision_unavailable, insn_conditions)
17515 (n_insn_conditions): Delete declarations.
17516 (add_c_test, traverse_c_tests): Declare.
17517 * read-rtl.c: Include gensupport.h.
17518 (read_conditions): New function.
17519 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
17520 (read_rtx_1): If we get EOF when we were looking for an initial
17521 open paren, return 0. Call read_conditions when appropriate.
17522 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
17523 dummy-conditions.o. Eliminate references to insn-conditions.o,
17524 or change them to build/gencondmd.o, as appropriate. Remove
17525 insn-constants.h from $(simple_generated_h) and insn-conditions.c
17526 from $(simple_generated_c). For all files remaining in those
17527 two lists, add insn-conditions.md to the generator command line.
17528 Give insn-constants.h/s-constants their own rules. Add rules
17529 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
17530 (build/read-rtl.o): Depend on gensupport.h.
17531 (genprognormal): Include preds.
17532 (genprogearly): Rename genprognoprint; only difference is now that
17533 they don't link with $(BUILD_PRINT).
17534 * dummy-conditions.c: Delete.
17536 2006-01-22 Zack Weinberg <zackw@panix.com>
17538 * genextract.c: Don't include insn-config.h. Do include vec.h.
17539 Declare vectors of int, char, and locstr.
17540 (locstr): New typedef.
17541 (struct extraction): Make all array fields into bare pointers.
17542 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
17543 (insn_code_number): Delete.
17544 (accum_extract): New struct.
17545 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
17546 (gen_insn): Take insn_code_number as an argument. Use an
17547 accum_extract structure instead of loading data directly into
17548 a struct extraction, and having to know how big it might get.
17549 (walk_rtx): Operate entirely on an accum_extract structure.
17550 (print_path): Avoid unnecessary use of printf.
17551 (print_header): New function, split out of main. Distinguish
17552 more carefully between an unrecognizable insn and an insn that
17553 has the code number of a define_expand.
17554 (main): Pass insn_code_number to gen_insn. Call print_header
17555 only after parsing. Avoid unnecessary use of printf.
17556 * Makefile.in (build/vec.o): New rule.
17557 (build/genextract): Depend on build/vec.o.
17558 (build/genextract.o): Don't depend on insn-config.h.
17560 2006-01-22 Zack Weinberg <zackw@panix.com>
17562 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
17563 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
17564 practical. Eliminate per-generator-program link rules.
17566 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17568 PR middle-end/24437
17569 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17570 with a call expr to ...
17571 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17573 2006-01-23 Richard Guenther <rguenther@suse.de>
17575 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
17576 before make_edge with conditional EDGE_TRUE_VALUE.
17578 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
17579 Jan Hubicka <jh@suse.cz>
17580 Richard Guenther <rguenther@suse.de>
17582 PR rtl-optimization/25654
17583 * cfgexpand.c (aggregate_contains_union_type): New function.
17584 (add_alias_set_conflicts): Call it. Make sure to add conflicts
17585 for structure variables that contain a union type.
17587 2006-01-23 Richard Sandiford <richard@codesourcery.com>
17589 * gengtype.c (new_structure): Return the structure.
17590 (create_option): Add an extra "next" argument.
17591 (create_field): New function.
17592 (adjust_field_rtx_def): Use create_option and create_field.
17593 Remove a now-unnecessary call to find_structure.
17594 (adjust_field_tree_def): Likewise.
17595 (note_yacc_type): Remove an unnecessary call to find_structure.
17596 * gengtype.h (new_structure): Return the structure.
17597 (create_option): Add an extra argument.
17598 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
17599 (option): Adjust calls to create_option.
17601 2006-01-22 David Edelsohn <edelsohn@gnu.org>
17603 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
17605 2006-01-22 Paul Brook <paul@codesourcery.com>
17606 Peter Barada <peter@the-baradas.com>
17608 * config/m68k/m68k.md: Add Coldfire FPU support.
17609 Define FP mode macro and associated attributes.
17610 Use it for float mode patterns.
17611 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
17612 (LIBCALL_VALUE): Use m68k_libcall_value.
17613 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
17614 (m68k_function_value): Ditto.
17615 (emit_move_sequence): Ditto.
17616 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
17617 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
17618 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
17619 (MULTILIB_EXCEPTIONS): Ditto.
17620 * config/m68k/m68k.opt: Add mcfv4e.
17621 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
17622 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
17623 (m68k_output_function_prologue): Save ColdFire FPU registers.
17624 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
17625 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
17626 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
17627 ColdFire FPU registers.
17628 (m68k_libcall_value, m68k_function_value): New functions.
17629 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
17630 (LIBCALL_VALUE): Use m68k_libcall_value.
17631 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
17632 (MASK_COLDFIRE): Add MASK_CFV4E.
17633 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
17634 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
17635 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
17636 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
17637 (GO_IF_LEGITIMATE_ADDRESS): Use it.
17638 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
17639 * doc/invoke.tex: Document -mcfv4e on m68k.
17641 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
17643 * doc/contribute.texi: Change CVS to SVN and update the corresponding
17646 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
17649 * c-opts.c (c_common_handle_option): Don't include
17650 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
17651 * doc/invoke.texi (C++ Dialect Options): Document that
17652 -Wnon-virtual-dtor is no longer included in -Wall.
17654 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
17656 * gcov.c (print_version), gcov-dump.c (print_version),
17657 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
17660 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
17662 * df-scan.c (problem_SCAN): Added NULL reset function.
17663 (df_scan_reset_blocks): Added code to call reset block function
17664 (df_bb_refs_delete) Fixed comment.
17665 (df_insn_refs_delete): Made tolerant of deleting non existent info
17666 for dataflow problems that need to be reset.
17667 * df-core.c (df_set_blocks): Ditto.
17668 * df.h (struct df_problem): Added reset_fun.
17669 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
17670 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
17671 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
17672 functions to clear out all references to def-use or use-def chains.
17674 2006-01-21 Ben Elliston <bje@au.ibm.com>
17676 * varasm.c (assemble_real): Initialise data array.
17678 2006-01-20 Paul Brook <paul@codesourcery.com>
17680 Merge from csl-arm-branch.
17681 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
17682 * config/arm/arm.md (movdi): Force operands[1] to a register
17683 if we have a non-register source.
17684 (*arm_movdi, *movdf_soft_insn): Require that one of the
17685 operands be a register.
17686 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
17687 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
17689 2006-01-20 DJ Delorie <dj@redhat.com>
17691 * varasm.c (initializer_constant_valid_p): Allow pointers
17692 initialized from integer constants of lesser precision.
17693 (output_constant): Allow non-int-sized pointer modes to be
17694 initialized from integer constants.
17696 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
17699 * cppdefault.h (struct default_include): Add multilib flag.
17700 * cppdefault.c (cpp_include_defaults): Set it.
17701 * c.opt (-imultilib): New option.
17702 * c-opts.c (imultilib): New.
17703 (c_common_handle_option): Handle -imultilib.
17704 (c_common_post_options): Likewise.
17705 * c-incpath.c (add_standard_paths, register_include_chains):
17707 * c-incpath.h (register_include_chains): Add extra parameter.
17708 * gcc.c (do_spec_1): Generate -imultilib option.
17709 (The Specs Language): Update %I description.
17710 (process_command): Update copyright notice.
17711 * doc/cppopts.texi (-imultilib): Document.
17712 * doc/invoke.texi (-imultilib): Include in option summary.
17713 (%I): Update specs documentation.
17715 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17717 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
17719 2006-01-20 Richard Sandiford <richard@codesourcery.com>
17721 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
17724 2006-01-20 Richard Guenther <rguenther@suse.de>
17725 Steven Bosscher <stevenb.gcc@gmail.com>
17727 PR rtl-optimization/24626
17728 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
17729 EDGE_TRUE_VALUE if in RTL mode.
17732 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
17733 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
17735 2006-01-20 Dirk Mueller <dmueller@suse.com>
17738 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
17739 instead of a special NOP marker.
17740 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
17741 NOP marker handling.
17742 * c-common.h (empty_body_warning): Add forward declaration.
17743 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
17744 Now uses IS_EMPTY_STMT() instead of special NOP markers.
17746 2006-01-20 Paul Brook <paul@codesourcery.com>
17748 * Makefile.in (lang_checks): Keep going if mkdir fails.
17750 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17752 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
17753 be able to clean out basic block when not necessary.
17754 (df_scan_free): Fixed to properly delete information if df is
17755 unused before calling df_finish.
17756 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
17757 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
17759 (df_bb_refs_delete): New function.
17760 (df_refs_delete): Moved per block code to df_bb_refs_delete.
17761 * df-core.c (df_set_blocks): Added code to properly clean out
17762 unused blocks if they are not part of the blocks to consider.
17763 Added additional null check.
17764 (df_compact_blocks): Added basic block parameter to free_bb_fun to
17765 be able to clean out basic block when not necessary
17766 * df.h (df_free_bb_function): Ditto.
17767 (df_bb_refs_delete): New function.
17768 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
17769 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
17770 basic block parameter to be able to clean out basic block when not
17772 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
17773 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
17774 Fixed to properly delete information if df is unused before
17777 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17779 PR rtl-optimization/25799
17780 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
17781 Corrected confluence operator to remove bits from op2 before oring
17782 with op1 rather than removing bits from op1.
17783 (df_ru_transfer_function): Corrected test on wrong bitmap which
17784 caused infinite loop. Both of these problems were introduced in
17785 the dataflow rewrite.
17787 2006-01-19 DJ Delorie <dj@redhat.com>
17789 * reload1.c (find_reload_regs): Note the details of reload
17790 failures in the dump file.
17791 (spill_failure): Likewise.
17793 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17795 * loop-iv.c: Include df.h and hashtab.h.
17796 (enum iv_grd_result): New enum.
17797 (DF_REF_IV, DF_REF_IV_SET): New macros.
17798 (struct biv_entry): New.
17799 (df, bivs): New global variables.
17800 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
17801 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
17803 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
17804 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
17805 analyzed_for_bivness_p, record_biv): New functions.
17806 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
17807 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
17808 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
17810 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
17812 (iv_number_of_iterations): Use new interface to iv analysis.
17813 * loop-unroll.c: Do not include varray.h.
17814 (analyze_iv_to_split_insn): Use new interface to iv
17816 * loop-unswitch.c (may_unswitch_on): Ditto.
17817 * df.c (df_bitmaps_free): Only work for bbs for that structures are
17819 (df_bb_modify): Realloc tables to the new index.
17820 (df_find_use): New function.
17821 * df.h (df_find_use): Declare.
17822 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
17824 * cfgloop.h (struct rtx_iv): Remove analysed field.
17825 (iv_get_reaching_def): Removed.
17826 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
17827 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
17828 (loop-iv.o): Add df.h and hashtab.h dependency.
17829 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
17831 2006-01-20 Alan Modra <amodra@bigpond.net.au>
17834 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
17836 (__floatundisf, __floatundidf): Likewise.
17837 * libgcc2.h (IS_IBM_EXTENDED): Define.
17839 2006-01-19 DJ Delorie <dj@redhat.com>
17841 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
17843 2006-01-19 Paul Brook <paul@codesourcery.com>
17845 * config/arm/arm.c (arm_compute_func_type): Treat all functions
17846 as nothrow when unwinding tables are disabled.
17848 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17851 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
17852 of bit-field" when in system header.
17854 2006-01-19 DJ Delorie <dj@redhat.com>
17856 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
17857 the 16 bit shift limit of the m16c.
17859 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
17862 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
17863 * config/i386/i386.c (output_set_got): Output the label if we have one
17864 for the TARGET_DEEP_BRANCH_PREDICTION case.
17866 2006-01-19 Jan Hubicka <jh@suse.cz>
17867 H.J. Lu <hongjiu.lu@intel.com>
17868 Evandro Menezes <evandro.menezes@amd.com>
17870 * invoke.texi (generic): Document
17872 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
17873 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
17874 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
17875 (x86_use_incdec, x86_pad_returns): New variables
17876 (TARGET_CPU_DEFAULT_generic): New constant
17877 (TARGET_CPU_DEFAULT_NAMES): Add generic.
17878 (enum processor_type): Add generic32 and generic64.
17879 * i386.md (cpu attribute): Add generic32/generic64
17880 (movhi splitter): Behave sanely when both partial_reg_dependency and
17881 partial_reg_stall are set.
17882 (K8 splitters): Enable for generic as well.
17883 * predicates.md (incdec_operand): Use TARGET_INCDEC
17884 (aligned_operand): Avoid memory mismatch stalls.
17885 * athlon.md: Enable for generic64, new patterns for 128bit moves.
17886 * ppro.md: Enable for generic32
17887 * i386.c (generic64_cost, generic32_cost): New.
17888 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
17889 (x86_use_leave): Enable for generic64. (x86_use_sahf,
17890 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
17891 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
17892 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
17893 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
17894 x86_partial_reg_dependency, x86_memory_mismatch_stall,
17895 x86_accumulate_outgoing_args, x86_prologue_using_move,
17896 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
17897 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
17898 Enable for generic.
17899 (x86_use_incdec, x86_pad_returns): New.
17900 (override_options): Add generic32 and generic64, translate "generic"
17901 to generic32/generic64 and "i686" to "generic32", refuse
17902 "generic32"/"generic64" as arch target.
17903 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
17904 (ix86_reorg): Honor PAD_RETURNS.
17906 2006-01-19 Diego Novillo <dnovillo@redhat.com>
17908 * tree-pretty-print.c (dump_generic_node): Handle
17909 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
17910 * cgraph.c (cgraph_expand_queue): Rename from
17911 cgraph_analyze_queue. Update all users.
17912 * cgraphunit.c (cgraph_assemble_pending_functions): Process
17913 cgraph_expand_queue.
17914 (cgraph_expand_all_functions): Likewise.
17915 (cgraph_finalize_pending_functions): Remove. Update callers.
17917 * tree.h (OMP_DIRECTIVE_P): Define.
17918 (OMP_PARALLEL_FN): Define.
17919 (OMP_PARALLEL_DATA_ARG): Define.
17920 (OMP_SECTIONS_SECTIONS): Define.
17921 * tree-pass.h (pass_expand_omp): Declare.
17922 * omp-low.c (struct omp_region): Declare.
17923 (struct omp_context): Remove fields 'parallel_type',
17924 'parallel_start_ix' and 'parallel_start_additional_args'.
17926 (struct omp_for_data): Rename from struct expand_omp_for_data.
17927 (omp_regions): New static variable.
17928 (root_omp_region): New static variable.
17929 (find_omp_clause): Make static.
17930 (is_in_combined_parallel_ctx): Remove.
17931 (is_combined_parallel): New.
17932 (extract_omp_for_data): Move earlier in the file.
17933 (workshare_safe_to_combine_p): New.
17934 (get_ws_args_for): New.
17935 (determine_parallel_type): Move earlier in the file.
17936 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
17938 (omp_copy_decl): Likewise.
17939 (create_omp_child_function): Likewise.
17940 (lookup_omp_region): New.
17941 (dump_omp_region): New.
17942 (debug_omp_region): New.
17943 (debug_all_omp_regions): New.
17944 (new_omp_region): New.
17945 (scan_omp_parallel): If parallel_nesting_level > 1, the
17946 directive is nested within another parallel directive.
17947 Set OMP_PARALLEL_FN.
17948 (scan_omp_for): Do not try to handle combined parallel+for
17950 Remove FIXME comment.
17951 (scan_omp_nested): Remove.
17952 (scan_omp_1): Do not call scan_omp_nested when
17953 parallel_nesting_level is > 1.
17954 Do not change the DECL_CONTEXT of local variables found.
17955 (lookup_decl_in_outer_ctx): New.
17956 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
17957 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
17958 (lower_reduction_clauses): Rename from expand_reduction_clauses.
17959 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
17960 If CTX is nested, lookup VAR in the outer context when
17961 building copy assignment.
17962 (lower_send_clauses): Rename from expand_send_clauses.
17963 If CTX is nested, lookup VAR in the outer context when
17964 building copy assignments.
17965 (lower_send_shared_vars): Rename from expand_send_shared_vars.
17966 If CTX is nested, lookup VAR in the outer context when
17967 building copy assignments.
17968 (expand_parallel_call): Rename from build_parallel_call.
17969 Handle combined parallel+workshare cases.
17970 Re-implement to emit code into the CFG.
17972 (expand_omp_parallel): Re-implement to emit code into the CFG.
17973 Call move_sese_region_to_fn to outline the sub-graph
17974 containing the parallel region.
17975 (expand_omp_for_1): Remove.
17976 (expand_omp_for_generic): Re-implement to emit code into the
17978 (expand_omp_for_static_nochunk): Likewise.
17979 (expand_omp_for_static_chunk): Likewise.
17980 (expand_omp_for): Likewise.
17981 (expand_omp_sections): Likewise.
17982 (remove_exit_barriers): New.
17983 (expand_omp_synch): New.
17985 (build_omp_regions_1): New.
17986 (build_omp_regions): New.
17987 (execute_expand_omp): New.
17988 (gate_expand_omp): New.
17989 (pass_expand_omp): Define.
17990 (lower_omp_sections): Rename from expand_omp_sections.
17991 Set OMP_SECTIONS_SECTIONS.
17992 (lower_omp_single_simple): Rename from expand_omp_single_simple.
17993 (lower_omp_single_copy): Rename from expand_omp_single_copy.
17994 (lower_omp_single): Rename from expand_omp_simple.
17995 (lower_omp_master): Rename from expand_omp_master.
17996 (lower_omp_ordered): Rename from expand_omp_ordered.
17997 (lower_omp_critical): Rename from expand_omp_critical.
17998 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
17999 (lower_omp_for): Re-implement.
18000 (lower_omp_parallel): Re-implement.
18001 (lower_regimplify): Rename from expand_regimplify.
18002 (lower_omp_1): Rename from expand_omp_1.
18003 If there are syntax errors in the program, replace every
18004 OpenMP directive with NOP.
18005 Call lower_omp_* instead of expand_omp_*.
18006 (lower_omp): Rename from expand_omp.
18008 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
18009 * tree-gimple.h (enum omp_parallel_type): Remove.
18010 (gimple_boolify): Declare extern.
18011 (find_omp_clause, determine_parallel_type): Remove.
18013 * gimple-low.c (lower_omp_directive): New.
18014 (lower_stmt): Call it.
18015 (record_vars_into): Move from ...
18016 (record_vars): ... here.
18017 Call record_vars_into with current_function_decl.
18019 * gimplify.c (struct gimplify_ctx): Remove fields
18020 combined_pre_p and combined_ctxp. Update users.
18021 (get_formal_tmp_var): Add documentation.
18022 (gimple_boolify): Make extern.
18023 (gimplify_expr_in_ctx): Remove. Update callers.
18024 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
18025 will always be a BIND_EXPR.
18026 (gimplify_expr): Handle OMP_RETURN_EXPR.
18027 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
18028 (OMP_PARALLEL): Add 3 operands.
18029 (OMP_SECTIONS): Add 1 operand.
18030 (OMP_RETURN_EXPR): Define.
18032 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
18033 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
18034 * tree-iterator.c (alloc_stmt_list): Assert that we are not
18035 creating a circular free list.
18036 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
18038 * tree-flow.h (move_sese_region_to_fn): Declare.
18039 (record_vars_into): Declare.
18040 * tree-cfg.c (make_omp_sections_edges): New.
18041 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
18042 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
18043 OMP_SECTIONS and OMP_SECTION.
18044 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
18045 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
18046 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
18047 (gather_blocks_in_sese_region): New.
18048 (struct move_stmt_d): Declare.
18049 (move_stmt_r): New.
18050 (move_block_to_fn): New.
18051 (move_sese_region_to_fn): New.
18053 * passes.c (init_optimization_passes): Schedule
18054 pass_expand_omp after pass_init_datastructures.
18056 * tree-ssa-operands.c (get_expr_operands): Handle
18057 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
18058 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
18060 2006-01-19 Jeff Law <law@redhat.com>
18062 * tree-vrp.c (extract_range_from_assert): Refine the result range
18063 if the variable referenced by the ASSERT_EXPR has a range and
18064 either the tentative result range or the previous range is a
18067 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18069 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
18071 2006-01-19 Jan Hubicka <jh@suse.cz>
18073 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
18075 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
18077 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
18078 (expand_compound_operation, expand_field_assignment): Fail if the
18079 bit lengths of an extract operation are out of range.
18080 (make_extraction): Compute wanted_inner_mode based on the position
18081 and length of the extraction. Make it extraction_mode for non-constant
18082 positions, and do not modify offset in that case. When generating a
18083 new MEM, use a mode that can hold the extraction while keeping correct
18084 alignment. Remove code that supported MEMs wrapped by USEs.
18085 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
18087 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
18089 * config/s390/s390.md ("Y", "y"): New mode attribute.
18090 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
18091 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
18092 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
18093 "*addsi3_imm_cc", "*addsi3_carry1_cc",
18094 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
18095 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
18096 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
18097 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
18098 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
18099 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
18100 "addsi3", "subsi3"): Insn patterns removed.
18101 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
18102 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
18103 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
18104 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
18105 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
18106 "*sub<mode>3_cconly2"): New insn patterns.
18107 ("addsi3", "subsi3"): New expanders.
18109 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
18111 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
18112 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
18113 existing STMT_VINFO_VECTYPE if available.
18114 (vect_mark_relevant): Add special handling for stmts that are
18115 marked as STMT_VINFO_IN_PATTERN_P.
18116 (vect_analyze_loop): Call vect_pattern_recog.
18117 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
18118 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
18120 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
18121 (vect_recog_func_ptr): New function-pointer type.
18122 * tree-vect-patterns.c: New file.
18123 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
18124 (vect_recog_dot_prod_pattern, vect_pattern_recog):
18125 (vect_pattern_recog_1): New functions.
18126 (vect_pattern_recog_funcs): New array of function pointers.
18128 * tree-vectorizer.h (ternary_op): New enum value.
18129 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
18130 declaration. Revised documentation. Removed redundant dump prints.
18131 Removed redundant argument. Added support for reduction patterns.
18132 (vectorizable_reduction): Added support for reduction patterns.
18133 (vect_transform_stmt): Added support for patterns.
18135 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
18136 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
18137 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
18138 (expand_widen_pattern_expr): New function.
18139 (init_optabs): Initialize new optabs udot_prod_optab,
18141 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
18142 (sdot_prod_optab, udot_prod_optab): Define new optabs.
18143 (expand_widen_pattern_expr): New function declaration.
18144 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
18146 * tree-inline.c (estimate_num_insns_1): Added cases for new
18147 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18148 * tree-pretty-print.c (dump_generic_node): Likewise.
18149 (op_prio): Likewise.
18150 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18151 * tree-ssa-operands.c (get_expr_operands): Added case for
18153 * tree-vect-patterns.c (widened_name_p): New function.
18154 (vect_recog_dot_prod_pattern): Added function implementation.
18155 * tree-vect-transform.c (get_initial_def_for_reduction): Added
18156 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
18157 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
18158 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
18160 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
18161 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
18162 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
18163 (init_optabs): Initialize new optabs widen_ssum_optab,
18165 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
18166 (widen_ssum_optab, widen_usum_optab): Define new optabs.
18167 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
18168 use instead of type of def.
18169 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
18170 function implementation.
18171 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
18172 widen_ssumv8hi): New.
18174 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
18177 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18180 * c-decl.c (add_flexible_array_elts_to_size): New function.
18181 (finish_decl): Use it.
18183 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
18185 * diagnostic.h: Include options.h.
18186 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
18187 dependancies for diagnostic.h.
18188 * Makefile.in (DIAGNOSTIC_H): Add options.h.
18190 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
18192 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
18193 (ssa_ro_call_cache_valid): Ditto.
18194 * tree-ssa-alias.c (sort_tags_by_id): New function.
18195 (init_transitive_clobber_worklist): Ditto.
18196 (add_to_worklist): Ditto.
18197 (mark_aliases_call_clobbered): Ditto.
18198 (compute_tag_properties): Ditto.
18199 (set_initial_properties): Ditto.
18200 (compute_call_clobbered): Ditto.
18201 (compute_may_aliases): Call compute_call_clobbered and grouping.
18202 (compute_flow_sensitive_aliasing): Remove clobbering related code.
18203 (compute_flow_insensitive_aliasing): Grouping now happens in our
18205 (setup_pointers_and_addressables): Remove clobbering related code.
18206 (add_may_alias): Ditto.
18207 (replace_may_alias): Ditto.
18208 (get_nmt_for): Ditto.
18209 (create_global_var):
18210 (is_escape_site): Return an escape_type enumeration.
18211 * tree-flow-inline.h (is_call_clobbered): Global var does not
18212 imply call clobbered.
18213 (mark_call_clobbered): Take a reason for marking this. Remove
18214 marking of globalness, and cache invalidation.
18215 (clear_call_clobbered): Remove cache invalidation code.
18216 * tree-dfa.c (dump_variable): If details is on, dump the reason
18218 * tree-outof-ssa.c (create_temp): Copy escape mask from original
18220 * tree-flow.h (struct ptr_info_def): Add escape mask member.
18221 (struct var_ann_d): Ditto.
18222 (enum escape_type): New.
18223 (mark_call_clobbered): Adjust prototype.
18224 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
18225 are never call clobbered.
18226 Record reasons for escaping.
18227 * tree-ssa-structalias.h (is_escape_site): Update prototype.
18228 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
18229 (ssa_ro_call_cache_valid): Ditto.
18230 (clobbered_v_may_defs): Ditto.
18231 (clobbered_vuses): Ditto.
18232 (ro_call_vuses): Ditto.
18233 (clobber_stats): New.
18234 (init_ssa_operands): Zero out clobber stats.
18235 (fini_ssa_operands): Print out clobber stats.
18236 (get_call_expr_operands): Pass callee fndecl to
18237 add_call_read_ops).
18238 (add_call_clobber_ops): Remove use of cache.
18239 Add use of PURE_CONST information.
18240 (add_call_read_ops): Remove use of cache.
18241 Add use of static not_read information.
18243 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
18245 Introduce TLS descriptors for i386 and x86_64.
18246 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
18247 (TARGET_ANY_GNU_TLS): New macro.
18248 (enum tls_dialect): Added TLS_DIALECT_GNU2.
18249 (struct machine_function): Add tls_descriptor_call_expanded_p.
18250 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
18251 (ix86_current_function_calls_tls_descriptor): Likewise.
18252 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
18253 (override_options): Introduce gnu2 tls dialect.
18254 (ix86_frame_pointer_required): Functions containing TLSCALLs are
18256 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
18258 (legitimize_tls_address): Adjust logic for GNU2 TLS.
18259 (ix86_init_machine_status): Initialize new field.
18260 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
18261 (ix86_tls_module_base): New.
18262 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
18263 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
18264 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
18265 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
18266 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
18267 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
18268 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
18269 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
18270 * config/i386/predicates.md (tls_modbase_operand): New.
18271 (tp_or_register_operand): New.
18273 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
18275 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
18276 (look_for_address_of): Ditto.
18277 (ipa_init): Walk the function decls.
18278 (static_execute): Don't set readonly on FUNCTION_DECL's.
18280 2006-01-18 Roger Sayle <roger@eyesopen.com>
18282 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
18283 for shifts where the source and destination registers are different.
18285 2006-01-18 Paul Brook <paul@codesourcery.com>
18287 Merge from csl-arm-branch.
18288 2005-03-14 Julian Brown <julian@codesourcery.com>
18289 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
18290 (aeabi_llsl): Likewise.
18291 (ashrdi3): Likewise.
18292 (aeabi_lasr): Likewise.
18293 (lshrdi3): Likewise.
18294 (aeabi_llsr): Likewise.
18295 2005-03-10 Julian Brown <julian@codesourcery.com>
18296 * config.gcc: Disable shared libgcc for SymbianOS.
18297 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
18299 2006-01-18 DJ Delorie <dj@redhat.com>
18301 * c-pragma.c (handle_pragma_diagnostic): New.
18302 (init_pragma): Register it.
18303 * doc/extend.texi: Document it.
18305 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
18306 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
18307 (diagnostic_context): Add classify_diagnostic[].
18308 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
18309 as errors if they're overridden to DK_WARNING.
18310 (diagnostic_initialize): Initialize classify_diagnostic[].
18311 (diagnostic_set_kind_override): New.
18312 (diagnostic_report_diagnostic): Check for kind changes.
18313 * opts.c (common_handle_option): Take lang_mask. Update callers.
18314 Handle OPT_Werror_.
18315 * common.opt (Werror=): New.
18316 * doc/invoke.texi: Document -Werror=*
18318 2006-01-18 Jeff Law <law@redhat.com>
18320 * tree-vrp.c (test_for_singularity): Correct test for new
18321 min limit. Use operand_equal_p rather than pointer equality
18322 for testing if new min/max values are equal.
18324 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
18325 using range information until after propagation and folding.
18327 2006-01-18 Richard Henderson <rth@redhat.com>
18328 Aldy Hernandez <aldyh@redhat.com>
18329 Jakub Jelinek <jakub@redhat.com>
18330 Diego Novillo <dnovillo@redhat.com>
18332 * omp-low.c: New file.
18333 * c-omp.c: New file.
18335 2006-01-18 Richard Henderson <rth@redhat.com>
18336 Jakub Jelinek <jakub@redhat.com>
18337 Diego Novillo <dnovillo@redhat.com>
18339 * doc/invoke.texi: Document -fopenmp.
18340 * tree-dump.h (debug_function): Declare.
18341 * hooks.c (hook_bool_tree_bool_false): New function.
18342 (hook_tree_tree_null): Remove.
18343 (hook_tree_tree_tree_null): New.
18344 * hooks.h: Update to match.
18345 * tree-pretty-print.c (debug_tree_chain): New.
18346 (print_generic_expr): Handle TDF_CHAIN.
18347 (dump_generic_node): Handle BLOCK.
18348 Do not abort with incomplete SWITCH_EXPRs.
18349 Do not dump body of an OpenMP directive if TDF_SLIM is given.
18350 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
18351 print space after directive name.
18352 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
18353 Handle OMP_MASTER and OMP_ORDERED.
18354 Handle printing of OMP_BODY just in one place, goto
18355 dump_omp_body in the rest of OMP_* nodes that have
18357 Don't handle clause nodes here. Update omp statements to
18358 use dump_omp_clauses.
18359 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
18360 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
18361 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
18362 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
18363 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
18364 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
18365 Adjust output for GOMP_PARALLEL.
18366 (dump_omp_clauses): New.
18367 (print_declaration): Dump DECL_VALUE_EXPR.
18368 (op_symbol_1): Split out of op_symbol.
18369 (dumping_stmts): Remove. Update all users.
18370 * cgraph.c (cgraph_analyze_queue): New.
18371 (cgraph_add_new_function): New.
18372 * cgraph.h (cgraph_analyze_queue): Declare.
18373 (cgraph_add_new_function): Declare.
18374 (cgraph_lower_function): Remove.
18375 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
18376 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
18377 and TYPE_P nodes in its default clause.
18378 (empty_body_p): New.
18379 (tree_range_check_failed): New.
18380 (build5_stat): New.
18381 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
18382 OMP_CLAUSE_REDUCTION_MERGE,
18383 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
18384 OMP_CLAUSE_PRIVATE_DEBUG,
18385 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
18386 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
18387 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
18388 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
18389 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
18390 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
18391 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
18392 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
18393 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
18394 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
18395 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
18396 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
18397 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
18398 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
18399 (TREE_RANGE_CHECK): New.
18400 (empty_body_p): Declare.
18401 (enum omp_clause_default_kind): New.
18402 (build_string_literal): Declare.
18403 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
18404 (build5_stat, build5): Declare.
18405 * tree-pass.h (TDF_CHAIN): Define.
18406 * tree-pass.h (PROP_gimple_lomp): Define.
18407 (pass_lower_omp): Declare.
18408 * diagnostic.h (debug_tree_chain): Declare.
18409 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
18411 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
18412 * builtins.c (build_string_literal): Make extern.
18413 * gcc.c (include_spec_function): New.
18414 (static_spec_functions): Add it.
18415 (main): Move load of libgomp.spec ...
18416 (LINK_COMMAND_SPEC): ... here.
18417 (link_gomp_spec): New.
18418 (static_specs): Include it.
18419 (LINK_COMMAND_SPEC): Add link_gomp.
18420 (GOMP_SELF_SPECS): New.
18421 (driver_self_specs): Include it.
18422 (switch_matches): Don't mark inline.
18423 (main): Load libgomp.spec.
18424 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
18425 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
18426 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
18427 * tree-gimple.h (enum omp_parallel): Declare.
18428 (determine_parallel_type): Declare.
18429 (omp_firstprivatize_variable): Declare.
18430 (omp_reduction_init): Declare.
18431 (diagnose_omp_structured_block_errors): Declare.
18432 (struct walk_stmt_info): Add want_return_expr.
18433 (struct walk_stmt_info): Add want_bind_expr, want_locations.
18434 (find_omp_clause): Declare.
18435 (insert_field_into_struct): Declare.
18436 (struct walk_stmt_info): Move from tree-nested.c
18437 (walk_stmts): Declare.
18438 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
18440 * cgraphunit.c (cgraph_lower_function): Make static.
18441 (cgraph_finalize_pending_functions): New.
18442 (cgraph_finalize_function): Call it.
18443 (cgraph_finalize_compilation_unit): Likewise.
18444 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
18445 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
18446 (BT_FN_UINT_UINT): New.
18447 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
18448 DEF_FUNCTION_TYPE_VAR_4): Document.
18449 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
18450 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
18451 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
18452 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
18453 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
18454 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
18455 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
18456 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
18457 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
18458 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
18459 into separate files.
18460 (DEF_GOMP_BUILTIN): New.
18461 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
18462 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
18463 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
18464 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
18465 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
18466 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
18467 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
18468 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
18469 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
18470 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
18471 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
18472 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
18473 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
18474 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
18475 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
18476 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
18477 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
18478 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
18479 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
18480 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
18481 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
18482 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
18483 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
18484 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
18485 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
18486 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
18487 * sync-builtins.def: New file, moved from builtins.def.
18488 * omp-builtins.def: New file, moved from builtins.def.
18489 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
18490 * gimple-low.c (lower_function_body): Clear data.
18491 (lower_stmt): Do not handle COMPOUND_EXPR.
18492 Remove call to print_node_brief.
18493 * c-tree.h (c_finish_omp_clauses): New prototype.
18494 (C_DECL_THREADPRIVATE_P): Define.
18495 (lookup_name_no_remap, c_omp_remap_private): Remove
18496 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
18497 (check_for_loop_decls): Update decl.
18498 (lookup_name_no_remap, c_omp_remap_private): Declare.
18499 (build_indirect_ref, build_modify_expr, pushdecl,
18500 pushdecl_top_level): Move to c-common.h.
18501 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
18502 before the switch, but just in the 2 places that need it.
18503 * c-decl.c (diagnose_mismatched_decls): Do not check for
18504 mismatched thread-local attributes when OLDDECL is marked
18505 threadprivate and NEWDECL has no thread-local attributes.
18506 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
18507 (c_gimple_diagnostics_recursively): Rename from
18508 c_warn_unused_result_recursively. Invoke
18509 diagnose_omp_structured_block_errors.
18510 (check_for_loop_decls): Return a singular decl found.
18511 * langhooks.c (lhd_omp_predetermined_sharing): Return
18512 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
18513 (lhd_omp_firstprivatize_type_sizes): New.
18514 (lhd_omp_assignment): New.
18515 (lhd_omp_predetermined_sharing): New.
18516 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
18517 (struct lang_hooks_for_types): Add
18518 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
18519 omp_predetermined_sharing, omp_disregard_value_expr,
18520 omp_private_debug_clause, omp_clause_default_ctor,
18521 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
18522 (c_finish_omp_clauses): New.
18523 (c_finish_bc_stmt): Diagnose break within omp for.
18524 (c_begin_omp_parallel, c_finish_omp_parallel): New.
18525 (build_unary_op): Return error_mark after reporting
18527 (build_modify_expr): Likewise.
18528 * gimplify.c: Include optabs.h and pointer-set.h.
18529 (enum gimplify_omp_var_data): Declare.
18530 (struct gimplify_omp_ctx): Declare.
18531 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
18533 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
18534 (push_gimplify_context, pop_gimplify_context): Allow nesting.
18535 (splay_tree_compare_decl_uid): New.
18536 (new_omp_context): New.
18537 (delete_omp_context): New.
18538 (gimple_add_tmp_var): Call omp_add_variable.
18539 (gimplify_bind_expr): Likewise.
18540 (gimplify_var_or_parm_decl): If omp_notice_variable returned
18541 true, disregard DECL_VALUE_EXPR on the decl if any.
18542 (gimplify_expr_in_ctx): New.
18543 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
18544 omp_add_variable, omp_notice_variable, omp_is_private
18545 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
18546 gimplify_adjust_omp_clauses, gimplify_omp_parallel
18547 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
18548 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
18549 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
18550 gimplify_omp_atomic): New.
18551 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18552 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18553 OMP_CRITICAL and OMP_ATOMIC.
18554 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
18555 * c-pragma.h (enum pragma_kind): Add
18556 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
18557 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
18558 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
18559 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
18560 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
18561 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
18562 PRAGMA_OMP_THREADPRIVATE.
18563 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18564 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18565 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
18566 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
18567 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
18568 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
18569 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
18570 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
18571 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
18572 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
18573 * tree-ssa-dce.c (find_control_dependence): Do not assume that
18574 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
18575 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
18577 (struct nesting_info): Add field_map,
18578 suppress_expansion, debug_var_chain.
18579 (create_nesting_tree): Initialize them.
18580 (lookup_field_for_decl): Use field_map.
18581 (get_nonlocal_debug_decl, get_local_debug_decl): New.
18582 (convert_local_omp_clauses): New.
18583 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
18584 (walk_body): Split out of walk_function.
18585 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
18586 (convert_nonlocal_reference): Handle omp statements.
18587 (convert_local_reference): Likewise.
18588 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
18589 (unnest_nesting_tree): New.
18590 (lower_nested_functions): Call it.
18591 (insert_field_into_struct): Make extern.
18592 (struct walk_stmt_info): Move to tree-gimple.h.
18593 (walk_stmts): Make extern.
18594 * omp-builtins.def: New file.
18595 * tree-iterator.c (expr_only): Clarify comment.
18596 * c-common.h (pushdecl_top_level, pushdecl,
18597 build_modify_expr, build_indirect_ref,
18598 c_finish_omp_master, c_finish_omp_critical,
18599 c_finish_omp_ordered, c_finish_omp_barrier,
18600 c_finish_omp_atomic, c_finish_omp_flush,
18601 c_finish_omp_for, c_split_parallel_clauses,
18602 omp_clause_default_kind, c_omp_sharing_predetermined,
18603 c_omp_remap_decl): Declare.
18604 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
18605 (OBJS-common): Add omp-low.o.
18606 (c-omp.o, omp-low.o): Add.
18607 (gimplify.o): Add dependency on $(OPTABS_H).
18608 (GTFILES): Add omp-low.c.
18609 (gt-stringpool.h): Add.
18610 * tree-cfg.c (set_bb_for_stmt): Do not update the
18611 block-to-labels map if we are currently expanding to RTL.
18612 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
18614 Handle IDENTIFIER_NODE.
18615 (tree_verify_flow_info): Do not ICE when emitting error
18616 messages about invalid labels.
18617 (dump_function_to_file): Reset CFUN before emitting the body
18619 (debug_function): New.
18620 * passes.c (init_optimization_passes): Schedule
18622 * langhooks-def.h (lhd_omp_predetermined_sharing,
18623 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
18625 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
18626 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
18627 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
18628 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
18629 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
18630 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
18631 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
18632 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
18633 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
18634 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
18635 (LANG_HOOK_DECLS): Use them.
18637 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
18638 Richard Henderson <rth@redhat.com>
18639 Jakub Jelinek <jakub@redhat.com>
18640 Diego Novillo <dnovillo@redhat.com>
18642 * c-parser.c (pragma_omp_clause): Define.
18643 (c_parser_declaration_or_fndef): Document OpenMP syntax.
18644 (c_parser_compound_statement): Likewise.
18645 (c_parser_statement): Likewise.
18646 (c_parser_pragma): Handle omp pragmas.
18647 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
18648 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
18649 (c_parser_omp_clause_name, check_no_duplicate_clause,
18650 c_parser_omp_variable_list,
18651 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
18652 c_parser_omp_clause_copyprivate,
18653 c_parser_omp_clause_default,
18654 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
18655 c_parser_omp_clause_lastprivate,
18656 c_parser_omp_clause_nowait,
18657 c_parser_omp_clause_num_threads,
18658 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
18659 c_parser_omp_clause_reduction,
18660 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
18661 c_parser_omp_all_clauses, c_parser_omp_structured_block,
18662 c_parser_omp_atomic, c_parser_omp_barrier,
18663 c_parser_omp_critical, c_parser_omp_flush,
18664 c_parser_omp_for_loop, c_parser_omp_for,
18665 c_parser_omp_master, c_parser_omp_ordered,
18666 c_parser_omp_sections_scope, c_parser_omp_sections,
18667 c_parser_omp_parallel, c_parser_omp_single,
18668 c_parser_omp_construct, c_parser_omp_threadprivate): New.
18669 * c-pragma.c (init_pragma): Do omp pragma registration here.
18670 * c.opt (fopenmp): New flag.
18672 2006-01-18 Eric Christopher <echristo@apple.com>
18674 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
18675 * config/darwin.h (GOMP_SELF_SPECS): Define.
18677 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18679 * rtl.h: Remove the prototype for reg_alloc.
18681 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18684 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
18685 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
18686 sjlj and dwarf2 exception handling.
18687 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
18688 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
18689 * pa/pa.c (function_value): Treat complex and vector types as
18691 (function_arg): Likewise. Only pass scalar floats in the floating
18692 point argument registers.
18693 * pa/t-slibgcc-dwarf-ver: New file.
18694 * pa/t-slibgcc-sjlj-ver: New file.
18695 * pa/t-slibgcc-elf-ver: Delete file.
18697 2006-01-19 Alan Modra <amodra@bigpond.net.au>
18699 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
18700 unlikely_test_section_p test.
18702 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18704 * mode-switching.c (optimize_mode_switching): Make it static.
18705 * basic-block.h: Remove the prototype for
18706 optimize_mode_switching.
18708 * modulo-sched.c (sms_schedule): Make it static.
18709 * rtl.h: Remove the prototype for sms_schedule.
18711 * postreload-gcse.c (gcse_after_reload_main): Make it static.
18712 * rtl.h: Remove the prototype for gcse_after_reload_main.
18714 * reg-stack.c (reg_to_stack): Make it static.
18715 * rtl.h: Remove the prototype for reg_to_stack.
18717 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
18719 * rtl.h: Remove the prototypes for regrename_optimize and
18720 copyprop_hardreg_forward.
18722 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
18724 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
18725 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
18726 Test against the appropriate null constant for the mode.
18727 If 'fixup_overlap' is true, swap the operands if they overlap.
18728 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
18729 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
18730 alpha_split_tmode_pair and adjust for above change.
18731 * config/alpha/alpha.md (movtf_internal): Adjust call to
18732 alpha_split_tfmode_pair and rely on it to swap the operands.
18733 (movti_internal): New insn and post-reload splitter.
18734 (movti): New expander.
18736 2006-01-18 Philippe De Muyter <phdm@macqel.be>
18738 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
18741 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18743 * rtlanal.c (global_reg_mentioned_p_1,
18744 global_reg_mentioned_p): Remove.
18745 * rtl.h: Remove the prototype for global_reg_mentioned_p.
18747 * flow.c (initialize_uninitialized_subregs): Make it static.
18748 * rtl.h: Remove the prototype for
18749 initialize_uninitialized_subregs.
18751 * function.c (instantiate_virtual_regs): Make it static.
18752 * function.h: Remove the prototype for
18753 instantiate_virtual_regs.
18755 * regmove.c (regmove_optimize, combine_stack_adjustments):
18757 * rtl.h: Remove the prototypes for regmove_optimize and
18758 combine_stack_adjustments.
18760 2006-01-17 Roger Sayle <roger@eyesopen.com>
18762 * config/i386/i386.c (COSTS_N_BYTES): New macro.
18763 (size_cost): Encode costs in bytes so that a reg-reg addition is
18764 equivalent to COSTS_N_INSNS(1).
18765 (override_options): Use the size_cost.branch_cost as the default
18766 ix86_branch_cost when optimizing for size.
18768 2006-01-18 Ben Elliston <bje@au.ibm.com>
18770 * Makefile.in (D32PBIT_FUNCS): New.
18771 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
18772 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
18773 D64PBIT_FUNCS and D128PBIT_FUNCS.
18774 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
18775 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
18777 (decnumber_dep): Define.
18778 * doc/libgcc.texi (Decimal float library routines): New node.
18779 * config/dfp-bit.h, config/dfp-bit.c: New files.
18781 2006-01-18 Ben Elliston <bje@au.ibm.com>
18783 * expr.c (emit_move_change_mode): Always adjust addresses, not
18784 just during reload. Copy replacements only during reload.
18785 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
18786 emit_move_via_integer.
18788 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
18790 * Makefile.in (check-%, check-consistency): Use $${srcdir}
18791 instead of $(srcdir) and ${srcdir}.
18793 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
18796 PR middle-end/11135
18797 * arm.h (struct machine_function): Add pic_reg.
18798 * arm.c (arm_pic_register): Make unsigned.
18799 (arm_override_options): Only set arm_pic_register if
18800 TARGET_SINGLE_PIC_BASE.
18801 (use_return_insn): Only test for a pic register if it is fixed.
18802 (arm_compute_save_reg0_reg12_mask): Likewise.
18803 (thumb_compute_save_reg_mask): Likewise.
18804 (legitimate_pic_operand): Factor out some known invariants.
18805 (legitimize_pic_address): If we don't have a fixed pic register,
18806 then set up a pseudo in the function entry sequence. Handle the
18807 pic base being in a pseudo.
18808 (arm_load_pic_register): Handle the pic register being in a pseudo.
18809 (arm_expand_prologue): Only set up the pic register if it is fixed.
18810 (thumb_expand_prologue): Likewise.
18811 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
18812 (pic_load_addr_based_insn): Likewise.
18813 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
18816 2006-01-18 Ben Elliston <bje@au.ibm.com>
18818 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
18819 decimal float modes for all floating point registers.
18821 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
18822 match_code "mem" with match_test "macho_lo_sum_memory_operand".
18824 2006-01-17 Jakub Jelinek <jakub@redhat.com>
18827 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
18828 even when the pointer is not NULL.
18830 2006-01-16 Ian Lance Taylor <ian@airs.com>
18832 * common.opt (ftoplevel-reorder): New option.
18833 * cgraph.c (cgraph_asm_nodes): New global variable.
18834 (cgraph_asm_last_node): New static variable.
18835 (cgraph_order): New global variable.
18836 (cgraph_create_node): Set new order field.
18837 (cgraph_varpool_node): Likewise.
18838 (decide_is_variable_needed): Return true if not
18839 flag_toplevel_reorder.
18840 (cgraph_add_asm_node): New function.
18841 * cgraph.h (struct cgraph_node): Add order field.
18842 (struct cgraph_varpool_node): Add order field.
18843 (struct cgraph_asm_node): Define.
18844 (cgraph_asm_nodes, cgraph_order): Declare.
18845 (cgraph_add_asm_node): Declare.
18846 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
18848 (cgraph_varpool_assemble_pending_decls): Call it.
18849 (cgraph_output_pending_asms): New static function.
18850 (cgraph_finalize_compilation_unit): Call it.
18851 (struct cgraph_order_sort): Define.
18852 (cgraph_output_in_order): New static function.
18853 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
18854 !flag_toplevel_reorder case.
18855 * c-parser.c: Include "cgraph.h".
18856 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
18858 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
18859 than -fno-unit-at-a-time.
18860 * doc/invoke.texi (Option Summary): Mention
18861 -fno-toplevel-reorder.
18862 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
18863 -funit-at-a-time documentation.
18865 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
18866 Kazu Hirata <kazu@codesourcery.com>
18868 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
18870 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
18872 * Makefile.in (FUNCTION_H): New. Use it instead of
18873 function.h throughout the file.
18874 * function.h: Include tree.h.
18876 2006-01-17 Ben Elliston <bje@au.ibm.com>
18878 * recog.c: Separate some functions with whitespace.
18880 2006-01-16 Richard Henderson <rth@redhat.com>
18882 Merge from gomp branch:
18883 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
18884 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
18885 and rename from struct inline_data. Rename callee* to dst*;
18886 caller* to src*; add copy_decl hook, transform_call_graph_edges,
18887 transform_new_cfg, transform_return_to_modify, and
18888 transform_lang_insert_block flags; remove cloning_p, versioning_p,
18890 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
18891 (copy_decl_for_dup): Remove.
18892 * tree-inline.c (struct inline_data): Move to header.
18893 (insert_decl_map): Export.
18894 (remap_decl): Update for member name changes. Use copy_decl hook.
18895 Allow for replacement to be a non-decl. Remove dead code.
18896 (remap_type_1): Check for existing mapping.
18897 (remap_type): Export.
18898 (remap_decls): Update for member name changes.
18899 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
18900 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
18901 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
18902 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
18903 (tree_function_versioning, build_duplicate_type): Likewise.
18904 (copy_body_r): Likewise. Export.
18905 (copy_decl_for_dup): Split into ...
18906 (copy_decl_for_dup_finish, copy_decl_to_var,
18907 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
18908 (replace_ref_tree, inlining_p): Remove.
18910 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18912 * ifcvt.c (if_convert): Make it static.
18913 * rtl.h: Remove the prototype for if_convert.
18915 * local-alloc.c (local_alloc): Make it static.
18916 * rtl.h: Remove the prototype for local_alloc.
18918 * loop.c (loop_optimize): Make it static.
18919 * cfgloop.h: Remove the prototype for loop_optimize.
18922 2006-01-16 DJ Delorie <dj@redhat.com>
18924 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
18927 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18929 * pa.md: Disparage copies between general and floating-point registers
18930 in 32-bit move patterns.
18932 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
18935 * Makefile.in (check-%): Depend on site.exp instead of
18936 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
18939 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18941 * global.c (global_alloc): Make it static.
18942 * rtl.h: Remove the prototype for global_alloc.
18944 2006-01-16 Richard Guenther <rguenther@suse.de>
18946 * tree-ssa-alias.c (struct used_part): Add write_only field.
18947 (get_or_create_used_part_for): Initialize it to true.
18948 (create_overlap_variables_for): Don't create structure variables
18949 for structures that only are written to.
18950 (find_used_portions): Handle MODIFY_EXPR to track whether a
18951 structure is only written to.
18953 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18955 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
18957 * basic-block.h: Remove the prototype for
18958 partition_hot_cold_basic_blocks.
18960 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
18962 * cppspec.c (lang_specific_spec_functions): Remove.
18963 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
18964 * gcc.h (lang_specific_spec_functions): Remove.
18965 * gccspec.c (lang_specific_spec_functions): Remove.
18967 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
18969 * combine.c (record_value_for_reg): Invalidate registers
18971 (record_dead_and_set_regs_1): Likewise, by passing them to
18972 record_value_for_reg.
18973 (record_dead_and_set_regs): Invalidate stores made by a
18974 call. We do not combine across a call, but we still
18975 relied on equivalences.
18977 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18979 * tree-vrp.c (extract_range_from_binary_expr): Cope with
18980 vrp_int_const_binop returning non-constant nodes.
18982 2006-01-16 Paul Brook <paul@codesourcery.com>
18984 * config/m68k/m68k.c (output_move_const_into_data_reg):
18985 Output correct mnemonic for mvz and mvs.
18987 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
18989 * rtl-factoring.c: Add sequence abstraction algorithm.
18990 * cfgcleanup.c (outgoing_edges_match): Extra checks.
18991 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
18993 (block_has_preserve_label): New function.
18994 * common.opt: Register new pass.
18995 * Makefile.in: Ditto.
18997 * timevar.def: Ditto.
18998 * tree-pass.h: Ditto.
18999 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
19000 * rtl.h (make_jump_insn_raw): Add forward decl.
19001 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
19003 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
19004 Roger Sayle <roger@eyesopen.com>
19006 * fold-const.c (fold_minmax): New static function.
19007 (fold_binary) <MIN_EXPR>: Call it.
19008 <MAX_EXPR>: Likewise.
19009 * stor-layout.c (place_field): Use DECL_SIZE consistently
19010 in the computation of the new record size.
19012 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19014 * cse.c (cse_condition_code_reg): Make it static.
19015 * rtl.h: Remove the prototype for cse_condition_code_reg.
19017 * combine.c (combine_instructions): Make it static.
19018 * rtl.h: Remove the prototype for combine_instructions.
19020 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19023 * tree.c (get_file_function_name_long): Concatenate the first global
19024 object name with a string derived from the input filename of the object
19027 2006-01-16 Ben Elliston <bje@au.ibm.com>
19029 * config/i386/winnt-stubs.c: Update FSF address.
19030 * config/xtensa/ieee754-df.S: Ditto.
19031 * config/xtensa/ieee754-sf.S: Ditto.
19033 2006-01-14 Ian Lance Taylor <ian@airs.com>
19035 * ifcvt.c (noce_init_if_info): New static function, broken out of
19036 noce_process_if_block.
19037 (noce_process_if_block): Call noce_init_if_info.
19038 (check_cond_move_block): New static function.
19039 (cond_move_process_if_block): New static function.
19040 (process_if_block): Call cond_move_process_if_block.
19042 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
19044 * cselib.c (hash_table): Rename to cselib_hash_table.
19045 (cselib_clear_table, discard_useless_values,
19046 remove_useless_values, cselib_lookup_mem, cselib_lookup,
19047 cselib_init, cselib_finish): Adjust uses of hash_table.
19049 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
19051 PR tree-optimization/25485
19052 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
19053 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
19054 is known to be false and true, respectively.
19056 2006-01-14 Richard Guenther <rguenther@suse.de>
19058 PR tree-optimization/22548
19059 PR tree-optimization/22555
19060 PR tree-optimization/22501
19061 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
19062 * params.def (salias-max-array-elements): New parameter.
19063 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
19064 * doc/invoke.texi (salias-max-array-elements): Document.
19065 * tree-flow-inline.h (var_can_have_subvars): We also handle
19067 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
19069 * tree-ssa-structalias.c (params.h): Include.
19070 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
19071 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
19072 (get_constraint_for): For ADDR_EXPR operating on something
19073 containing an ARRAY_REF, add all subvars to the solution.
19074 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
19075 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
19076 for creating MUST_DEFs.
19077 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
19079 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
19081 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
19083 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
19084 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
19085 number_of_iterations_le): New functions.
19086 (number_of_iterations_special): Removed.
19087 (number_of_iterations_exit): Do not use number_of_iterations_special.
19088 * tree.c (unsigned_type_for): Always return integer type.
19090 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
19091 Richard Guenther <rguenther@suse.de>
19093 PR rtl-optimization/24257
19094 * gcse.c (find_moveable_store): Only consider a store movable
19095 when the SET_SRC of the insn can be assigned to a register.
19097 2006-01-14 Ian Lance Taylor <ian@airs.com>
19099 * tree.c (tree_not_class_check_failed): New function.
19100 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
19101 (tree_not_class_check_failed): Declare.
19103 2006-01-13 Ian Lance Taylor <ian@airs.com>
19105 * reload1.c (do_output_reload): Add assertion rejecting a
19108 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
19110 * combine.c (struct reg_stat): Add new fields truncation_label and
19112 (record_value_for_reg): Reset truncated_to_mode.
19113 (record_truncated_value): New function.
19114 (check_promoted_subreg): Call it. Rename to check_conversions.
19115 (combine_instructions): Rename check_promoted_subreg to
19117 (reg_truncated_to_mode): New function.
19118 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
19119 (gen_lowpart_or_truncate): New function.
19120 (force_to_mode): Use it instead of gen_lowpart.
19122 2006-01-13 Diego Novillo <dnovillo@redhat.com>
19124 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
19125 VAR is a tag, not its type tag.
19127 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
19129 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
19130 alternatives to match style of other entries.
19131 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
19133 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
19135 PR tree-optimization/25771
19136 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
19139 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
19142 * tree-inline.c (declare_return_variable): If the return variable
19143 was marked as a non gimple complex, set the return slot variable
19144 to be a non gimple comple variable.
19146 2006-01-13 Richard Guenther <rguenther@suse.de>
19148 * builtins.c (expand_builtin_sincos): New function.
19149 (expand_builtin_mathfn_3): Remove dead code, sin and cos
19151 (expand_builtin): Expand sincos using expand_builtin_sincos.
19153 2006-01-12 DJ Delorie <dj@redhat.com>
19155 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
19156 shift counts, separate SI shifts for m32c vs m16c, pass shift type
19157 so that constant shifts can be split.
19158 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
19159 (m32c_valid_pointer_mode): Make static.
19160 (shift_gen_func_for): New.
19161 (m32c_prepare_shift): Use it. Split large const shifts into
19163 * config/m32c/predicates.md (shiftcount_operand): Allow more
19165 (longshiftcount_operand): New.
19166 * doc/md.texi (Machine Constraints): Document In6.
19168 2006-01-13 Ben Elliston <bje@au.ibm.com>
19170 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
19171 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
19174 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
19176 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
19177 to try to avoid clobbering pieces of structures when we know
19178 something about the whole structure.
19179 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
19181 2006-01-13 Ben Elliston <bje@au.ibm.com>
19183 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
19184 return in memory, as this is no limitation is no longer present.
19186 2006-01-12 DJ Delorie <dj@redhat.com>
19188 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
19189 mova with fb, and for fb+0 -> An.
19191 * config/m32c/mov.md (peephole2): Fix enabling logic.
19193 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
19194 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
19195 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
19196 FINI_ARRAY_SECTION_ASM_OP): Define.
19198 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
19200 (m32c_legitimize_reload_address): New logic to reload FB to An.
19201 (m32c_output_reg_push): Add newline.
19202 (m32c_output_reg_pop): Likewise.
19204 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
19206 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
19208 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
19210 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
19212 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19214 * config/sh/predicates.md (sh_rep_vec): Add parallel to
19217 2006-01-11 Ben Elliston <bje@au.ibm.com>
19219 * rtlanal.c (find_reg_note): Assert insn is not null.
19221 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19223 * df-scan.c (df_hard_reg_init): Move declaration of i outside
19226 2006-01-11 Jeff Law <law@redhat.com>
19228 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
19230 (mark_threaded_blocks, register_jump_thread): New functions.
19231 (thread_through_all_blocks): Remove unwanted argument. No
19232 longer rely on e->aux to communicate thread target info.
19233 Call mark_threaded_blocks. Release the threaded_blocks
19234 bitmap and threaded_edges vector when complete.
19235 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
19236 (threaded_blocks): Remove.
19237 (tree_ssa_dominator_optimize): Remove initialization and
19238 finalization of threaded_blocks. Simplify call to
19239 thread_through_all_blocks.
19240 (thread_across_edge): Call register_jump_thread rather than
19241 storing thread information into e->aux.
19242 (free_all_edge_infos): Simplify now that e->aux is no longer
19243 used to communicate with thread_through_all_blocks.
19244 * tree-flow.h (thread_through_all_blocks): Update prototype.
19245 (register_jump_thread): Prototype.
19247 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19249 * df-core.c (df_compact_blocks, df_bb_replace): Use
19250 SET_BASIC_BLOCK instead of BASIC_BLOCK.
19252 2006-01-11 Richard Guenther <rguenther@suse.de>
19254 PR tree-optimization/25734
19255 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
19256 stop propagation after successful propagation to the LHS.
19258 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19260 * basic-block.h (control_flow_graph): Change the type of
19261 x_basic_block_info to VEC(basic_block,gc) *.
19262 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
19264 (SET_BASIC_BLOCK): New.
19265 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
19266 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
19267 * cfgbuild.c (find_basic_blocks): Likewise.
19268 * cfglayout.c (fixup_reorder_chain): Likewise.
19269 * cfgrtl.c (create_basic_block_structure,
19270 rtl_create_basic_block): Likewise.
19271 * ifcvt.c (find_if_case_1): Likewise.
19272 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
19275 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19277 * Makefile.in: Removed rotted odf.c entry.
19279 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
19282 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
19283 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
19284 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
19285 output pattern modifier, not %e.
19286 * config/cris/cris.c (cris_op_str): Update comment about pattern
19288 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
19289 before falling through into...
19290 <case 'E'>: Redefined from old 'e' case.
19292 2006-01-11 Jan Hubicka <jh@suse.cz>
19295 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
19297 2006-01-11 Jan Hubicka <jh@suse.cz>
19299 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
19300 * i386.c (x86_decompose_lea): Kill.
19301 (ix86_rtx_costs): Kill.
19303 2006-01-11 Jan Hubicka <jh@suse.cz>
19305 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
19306 * cgraph.h (cgraph_node): Add inline_decl.
19307 (cgraph_insert_node_to_hashtable): Declare.
19308 (save_inline_function_body): Declare.
19309 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
19311 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
19312 (cgraph_function_versioning): Update call of tree_function_versioning.
19313 (save_inline_function_body): New function.
19314 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
19315 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
19316 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
19317 (cgraph_default_inline_p): Likewise.
19318 (cgraph_decide_inlining_incrementally): Likewise.
19319 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
19320 (copy_bb): Kill saving; do updating of clones.
19321 (copy_cfg_body): Kill saving.
19322 (initialize_inlined-parameters): Likewise.
19323 (expand_call_inline): Likewise.
19325 (tree_function_versioning): New parameter "update_clones".
19326 (inlining_p): Kill saving.
19327 * tree-inline.h (tree_function_versioning): Update prototype.
19328 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
19331 2006-01-11 Ian Lance Taylor <ian@airs.com>
19333 * combine.c (struct undo): Remove is_int. Enumify types of undos.
19334 Allow undoing set of machine mode.
19335 (do_SUBST): Use enums instead of is_int.
19336 (do_SUBST_MODE): New function.
19337 (SUBST_MODE): New macro.
19338 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
19339 reg and trying to replace reg_regno_rtx with a new register.
19340 (undo_all): Use new enums, handle undoing a PUT_MODE change.
19341 (simplify_set): Use SUBST_MODE.
19342 (distribute_notes): Remove code that tried to update reg notes
19343 for regno_reg_rtx changes.
19345 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
19347 PR tree-optimization/23109
19348 PR tree-optimization/23948
19349 PR tree-optimization/24123
19351 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
19352 * tree-cfg.c (single_noncomplex_succ): New.
19353 * tree-flow.h (single_noncomplex_succ): Declare it.
19354 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19355 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19356 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
19357 insert_bb, register_division_in, insert_reciprocals,
19358 replace_reciprocal, free_bb): New.
19359 (execute_cse_reciprocals_1): Rewritten.
19360 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
19361 Do not commit any edge insertion. Always compute dominators and
19362 create the allocation pool.
19363 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
19364 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
19365 * targhooks.c (default_min_divistions_for_recip_mul): New.
19366 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
19367 * passes.c (init_optimization_passes): Run recip after tree loop
19369 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
19371 2006-01-11 Danny Berlin <dberlin@dberlin.org>
19372 Kenneth Zadeck <zadeck@naturalbridge.com>
19374 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
19375 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
19376 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
19377 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
19378 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
19379 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
19380 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
19381 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
19382 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
19383 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
19384 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
19385 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
19386 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
19387 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
19388 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
19389 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
19390 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
19391 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
19392 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
19393 DF_SCAN_POST_ALLOC): New macros.
19394 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
19395 df_free_bb_function, df_local_compute_function, df_init_function,
19396 df_dataflow_function, df_confluence_function_0,
19397 df_confluence_function_n, df_transfer_function,
19398 df_finalizer_function, df_free_function, df_dump_problem_function,
19399 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
19400 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
19401 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
19402 df_urec_bb_info, ) New types.
19403 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
19405 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
19406 df_analyze_simple_change_some_blocks,
19407 df_analyze_simple_change_one_block, df_compact_blocks,
19408 df_bb_replace, df_bb_regno_last_use_find,
19409 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
19410 df_insn_regno_def_p, df_find_def, df_find_use,
19411 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
19412 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
19413 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
19414 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
19415 debug_df_chain, df_get_dependent_problem, df_chain_create,
19416 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
19417 df_grow_bb_info, df_chain_dump, df_print_bb_index,
19418 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
19419 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
19420 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
19421 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
19422 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
19423 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
19424 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
19425 df_ref_remove, df_insn_refs_delete, df_refs_delete,
19426 df_reorganize_refs, df_set_state, df_hard_reg_init,
19427 df_read_modify_subreg_p) New public functions.
19428 * df-core.c: The core dataflow solver and glue routines for rtl
19430 (df_init, df_add_problem, df_set_blocks, df_finish,
19431 df_hybrid_search_forward, df_hybrid_search_backward,
19432 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
19433 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
19434 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
19435 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
19436 df_reg_defined, df_find_use, df_reg_used, df_dump,
19437 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
19438 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
19439 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
19440 debug_df_useno, reset_df_after_reload): New functions.
19441 * df-scan.c: The scanning fuctions, once in df.c, completely
19442 rewritten so that they now fully model the functionality of
19443 register usage at the backend.
19444 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
19445 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
19446 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
19447 df_grow_insn_info, df_rescan_blocks, df_ref_create,
19448 df_get_artificial_defs, df_get_artificial_uses,
19449 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
19450 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
19451 df_refs_delete, df_reorganize_refs, df_set_state,
19452 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
19453 df_def_record_1, df_defs_record, df_uses_record,
19454 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
19455 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
19456 df_record_exit_block_uses, df_hard_reg_init): New functions.
19458 * df-problems.c: Seven concrete dataflow problems that use the
19459 scanning in df-scan.c and are solved by the engine in df-core.c.
19460 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
19461 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
19462 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
19463 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
19464 df_ru_free_bb_info, df_ru_alloc,
19465 df_ru_bb_local_compute_process_def,
19466 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
19467 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
19468 df_ru_transfer_function, df_ru_free, df_ru_dump,
19469 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
19470 df_rd_free_bb_info, df_rd_alloc,
19471 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
19472 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
19473 df_rd_transfer_function, df_rd_free, df_rd_dump,
19474 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
19475 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
19476 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
19477 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
19478 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
19479 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
19480 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
19481 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
19482 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
19483 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
19484 df_urec_mark_reg_change, df_urec_check_earlyclobber,
19485 df_urec_mark_reg_use_for_earlyclobber,
19486 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
19487 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
19488 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
19489 df_urec_dump, df_urec_add_problem, df_chain_alloc,
19490 df_chain_create_bb_process_use, df_chain_create_bb,
19491 df_chain_finalize, df_chain_free, df_chains_dump,
19492 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
19493 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
19494 df_reg_lifetime): New functions.
19495 * df.c: Deleted file.
19496 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
19497 consistent with new df api.
19498 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
19499 rest_of_handle_sms): Ditto.
19500 * web.c (unionfind_union, union_defs, entry_register, web_main):
19502 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
19503 invariant_expr_equal_p, find_defs, check_dependencies,
19504 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
19505 free_inv_motion_data, move_loop_invariants): Ditto.
19506 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
19507 Update dependencies.
19508 (odf.c): Added defective entry that was deleted later in day.
19509 * sched-deps.c (sched_analyze_1): Ditto.
19511 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
19513 * tree-ssa-operands.c (get_expr_operands): Record addressable
19514 variables directly. Do not call add_stmt_operands for CONST_DECLs
19516 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
19517 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
19519 2006-01-11 Ben Elliston <bje@au.ibm.com>
19521 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
19522 function returns true in the positive case.
19524 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19527 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
19528 for SI, DI, SF and DF modes. Add alternatives to copy between
19529 general and floating point registers to the 32-bit patterns.
19530 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
19531 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
19532 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
19533 generating 64-bit code.
19534 * config/pa/pa.c (output_move_double): Handle copies between general
19535 and floating registers.
19537 2006-01-10 Stuart Hastings <stuart@apple.com>
19539 * config/i386/i386.md (set_got): Update.
19540 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
19541 (builtin_setjmp_receiver): Mach-O support.
19542 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
19543 (GOT_SYMBOL_NAME): Define.
19544 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
19545 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
19546 * config/i386/i386.c (override_options): Revise for Darwin.
19547 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
19548 support. (darwin_x86_file_end): New. (output_set_got): Add label
19549 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
19550 * config/i386/i386-protos.h (output_set_got): Likewise.
19551 * config/darwin.c (machopic_legitimize_pic_address): Update
19554 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
19556 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
19557 when MODE isn't BLKmode.
19559 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
19561 PR rtl-optimization/25367
19562 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
19564 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
19567 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
19568 for a negative bound.
19570 2006-01-10 Richard Guenther <rguenther@suse.de>
19572 * tree-ssa-structalias.c (get_constraint_for_component_ref):
19573 Never override with anything constraint.
19575 2006-01-10 Jan Beulich <jbeulich@novell.com>
19577 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
19578 256 bits when optimize_size.
19580 2006-01-10 Jan Beulich <jbeulich@novell.com>
19582 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
19584 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
19585 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
19588 2006-01-10 Ben Elliston <bje@au.ibm.com>
19590 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
19592 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
19593 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
19594 (USE_FP_FOR_ARG): Reject decimal float modes.
19595 (function_arg_advance): Likewise.
19596 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
19597 (rs6000_handle_altivec_attribute): Do not permit decimal floating
19598 point types in AltiVec vectors.
19599 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
19600 (rs6000_libcall_value): Likewise.
19602 2006-01-09 Bob Wilson <bob.wilson@acm.org>
19604 * config/xtensa/ieee754-df.S: New file.
19605 * config/xtensa/ieee754-sf.S: New file.
19606 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
19607 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
19608 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
19610 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
19612 * config/sh/predicates.md (binary_float_operator,
19613 binary_logical_operator, commutative_float_operator,
19614 equality_comparison_operator, greater_comparison_operator,
19615 less_comparison_operator, logical_operator,
19616 noncommutative_float_operator, shift_operator,
19617 symbol_ref_operand, unary_float_operator): Remove redundant
19620 2006-01-09 Jeff Law <law@redhat.com>
19622 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
19623 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
19624 now unused arguments. Callers updated.
19625 (eliminate_redundant_computations): Remove now unused arguments,
19627 (local_fold): Remove, no longer used.
19628 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
19630 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
19631 (simplify_cond): New function.
19632 (forward_propagate_into_cond): Call simplify_cond.
19634 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
19636 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
19637 (*vec_extractv2di_1_sse): New.
19639 2006-01-09 Ben Elliston <bje@au.ibm.com>
19641 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
19643 2006-01-08 Richard Guenther <rguenther@suse.de>
19645 * tree-ssa-structalias.c (get_constraint_for): Remove
19646 anyoffset argument.
19647 (get_constraint_for_component_ref): Likewise.
19648 (do_deref): Likewise.
19649 (get_constraint_for): Likewise.
19650 (do_structure_copy): Likewise.
19651 (handle_ptr_arith): Likewise.
19652 (find_func_aliases): Likewise. Remove unused need_anyoffset
19655 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
19656 Kaz Kojima <kkojima@gcc.gnu.org>
19658 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
19659 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
19660 (EXTRA_CONSTRAINT_C16): Remove.
19661 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
19662 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
19663 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
19664 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
19665 constants of SHmedia. Handle nested constant expressions of
19667 (andcosts): Fix the costs for SHmedia constants.
19668 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
19669 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
19670 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
19671 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
19672 (movv4hi_i, movv2si_i): Likewise.
19673 (movsi_const): Adjust the second operand of ior so to match with
19674 the Csu constraint.
19675 (movdi_const, movdi_const_32bit): Likewise.
19676 (movdi_const_16bit+1): Don't sign-extend LOW.
19677 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
19679 (*double_shori): Fix the split condition. Use GEN_INT instead
19680 of get_int_mode calls. Mask lower 16-bit of the argument of
19682 (sym2GOTPLT): Remove.
19683 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
19685 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
19686 instead of EXTRA_CONSTRAINT_C16.
19688 2006-01-07 Ian Lance Taylor <ian@airs.com>
19689 David Edelsohn <edelsohn@gnu.org>
19691 PR rtl-optimization/25662
19692 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
19693 for constant operands instead of simplify_gen_binary.
19694 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
19695 after trying simplify_binary_operation
19697 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
19699 * tree.c (iterative_hash_expr): Hash decls based on UID.
19701 2006-01-06 Eric Christopher <echristo@apple.com>
19703 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
19704 (TARGET_UNWIND_EMIT): Fix spelling.
19705 * target.h (gcc_target): Add except_table_label.
19706 * except.c (output_function_exception_table): Use.
19707 * varasm.c (default_emit_except_table_label): New.
19708 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
19710 (asm_out): Add here.
19711 * output.h (default_emit_except_table_label): Prototype.
19712 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
19713 * config/darwin.c (darwin_emit_except_table_label): Define.
19714 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
19716 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
19718 PR tree-optimization/18527
19719 * tree-ssa-loop-niter.c (number_of_iterations_cond,
19720 number_of_iterations_special, number_of_iterations_exit):
19721 Move base and step of an iv to a single structure. Add
19722 no_overflow flag, and use it in # of iterations analysis.
19723 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
19724 folded_casts argument.
19725 (simple_iv): Pass base and step in a structure. Set no_overflow
19727 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
19728 Evaluate expensiveness of computing # of iterations instead of
19729 the final expression.
19730 * tree-scalar-evolution.h (affine_iv): New structure.
19731 (simple_iv): Declaration changed.
19732 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
19733 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
19734 find_givs_in_stmt): Changed due to simple_iv change.
19736 2006-01-06 Jeff Law <law@redhat.com>
19739 * tree-cfg.c (bsi_replace): Rename final argument from
19740 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
19741 change (stmt -> orig_stmt).
19742 * tree-eh.c (verify_eh_throw_stmt_node): New function.
19743 (bsi_remove): Add new argument. Remove EH information
19745 (verify_eh_throw_table_statements): New function.
19746 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
19748 * tree-optimize.c (execute_free_cfg_annotations): Verify
19749 the EH throw statement table after removing annotations.
19750 * except.h (verify_eh_throw_table_statements): Prototype.
19751 * tree-flow.h (bsi_remove): Update prototype.
19752 * tree-vrp.c (remove_range_assertions): Add new argument to
19754 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
19755 * tree-complex.c (expand_complex_div_wide): Likewise.
19756 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
19757 * tree-tailcall.c (eliminate_tailcall): Likewise.
19758 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
19759 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
19760 * tree-nrv.c (tree_nrv): Likewise.
19761 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
19762 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
19763 (combine_blocks): Likewise.
19764 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
19765 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
19766 (cleanup_control_flow): Likewise.
19767 (remove_forwarder_block): Likewise.
19768 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
19769 * tree-sra.c (sra_replace): Likewise.
19770 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
19771 (forward_propagate_single_use_vars): Likewise.
19772 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
19773 * tree-inline.c (expand_call_inline): Likewise.
19774 * tree-vect-transform.c (vect_transform_loop): Likewise.
19775 * tree-outof-ssa.c (rewrite_trees): Likewise.
19776 * tree-cfg.c (make_goto_expr_edges): Likewise.
19777 (cleanup_dead_labels): Likewise.
19778 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
19779 (bsi_move_before, bsi_move_after): Likewise.
19780 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
19781 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
19783 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
19786 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
19788 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
19789 on non gimple variables. Also add checks at the top for decls and
19791 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
19793 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
19794 and IMAGPART_EXPR for creating MUST_DEFs.
19795 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
19796 and NAME_MEMORY_TAG separately from the DECLs.
19798 2006-01-06 Richard Guenther <rguenther@suse.de>
19800 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
19801 annotation, if necessary.
19802 * tree-ssa-pre.c (create_expression_by_pieces): Remove
19803 redundant calls to update_stmt.
19804 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
19807 2006-01-05 Richard Henderson <rth@redhat.com>
19809 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
19811 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19813 * c-typeck.c: Update copyright date.
19815 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19817 * c-typeck.c (build_c_cast): Always warn when casting
19818 from a pointer to an integer of different size, even if
19819 the node was constant.
19821 2006-01-05 Richard Guenther <rguenther@suse.de>
19823 PR tree-optimization/22555
19824 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
19825 if one structure field is an array.
19826 * tree-ssa-operands.c (get_expr_operands): Continue scanning
19827 operands even if we found a subvar, but ignore VOPs in this
19829 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
19831 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
19833 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
19835 PR middle-end/24998
19836 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
19838 2006-01-05 Richard Guenther <rguenther@suse.de>
19839 Diego Novillo <dnovillo@redhat.com>
19841 * tree-pass.h (TODO_remove_unused_locals): Define.
19842 * gimple-low.c (expand_var_p, remove_useless_vars,
19843 pass_remove_useless_vars): Remove. Update all users.
19844 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
19845 (remove_unused_locals): New function.
19846 * tree-flow.h (remove_unused_locals): Declare.
19847 * passes.c (execute_todo): Call remove_unused_locals if
19848 TODO_remove_unused_locals is set.
19849 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
19850 * tree-ssa-dce.c (pass_dce): Likewise.
19851 * tree-outof-ssa.c (pass_del_ssa): Likewise.
19853 2006-01-05 Richard Guenther <rguenther@suse.de>
19855 * tree-flow.h (struct fieldoff): Decompose field to
19856 type, size and decl.
19857 * tree-ssa-alias.c (create_sft): Take type as parameter.
19858 (create_overlap_variables_for): Store type, size and decl
19859 in the fieldoff structure.
19860 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
19861 of struct fieldoff.
19862 (push_fields_onto_fieldstack): Likewise.
19863 (create_variable_info_for): Likewise. Use offset for the
19864 SFT name if the decl is not available.
19866 2006-01-04 Paul Brook <paul@codesourcery.com>
19868 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
19870 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
19872 * lambda-code.c (can_put_in_inner_loop): Relax
19874 (can_put_after_inner_loop): New function.
19875 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
19876 (perfect_nestify): Change to make copies and modify uses.
19878 2006-01-04 Richard Henderson <rth@redhat.com>
19880 Merge from gomp branch:
19881 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
19882 via integer constant.
19883 (pragma_lex): Remove.
19884 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
19885 rather than parsing it.
19886 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
19887 handle_pragma_extern_prefix): Add %< %> quotes.
19888 (registered_pragmas): New.
19889 (c_register_pragma_1): New.
19890 (c_register_pragma): Use it.
19891 (c_register_pragma_with_expansion): Likewise.
19892 (c_invoke_pragma_handler): New.
19893 (init_pragma): Use cpp_register_deferred_pragma directly for
19895 * c-pragma.h (enum pragma_kind): New.
19896 (pragma_handler): New.
19897 (c_invoke_pragma_handler): Declare.
19898 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
19900 * c-common.h (c_common_pch_pragma): Update decl.
19901 * Makefile.in (c-parser.o): Update dependencies.
19902 (GTFILES): Add c-pragma.h.
19903 * c-parser.c (struct c_token): Add pragma_kind.
19904 (struct c_parser): Add in_pragma.
19905 (c_lex_one_token): Always initialize keyword and pragma_kind.
19906 Extract data for CPP_PRAGMA.
19907 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
19908 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
19909 Don't allow CPP_PRAGMA_EOL if in_pragma.
19910 (c_parser_consume_pragma): New.
19911 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
19912 (c_parser_skip_to_end_of_parameter): Likewise.
19913 (c_parser_skip_to_end_of_block_or_statement): Likewise.
19914 (c_parser_skip_to_pragma_eol): New.
19915 (c_parser_external_declaration): Handle CPP_PRAGMA.
19916 (c_parser_compound_statement_nostart): Likewise.
19917 (c_parser_statement_after_labels): Likewise.
19918 (c_parser_pragma): New.
19919 (pragma_lex): Likewise.
19920 (c_parser_pragma_pch_preprocess): New.
19921 (c_parser_new): Merge into ...
19922 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
19924 2006-01-04 Jeff Law <law@redhat.com>
19927 * tree-cfg.c (bsi_replace): Remove the original statement
19928 from the EH throw statement table.
19930 2006-01-04 Jakub Jelinek <jakub@redhat.com>
19932 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
19933 make the prototype extern "C" and add throw ().
19936 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
19937 and pos non-negative and pos + len <= 32.
19938 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
19939 drop pos + len < HOST_BITS_PER_WIDE_INT test.
19940 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
19943 * c-common.c (handle_vector_size_attribute): Reject zero vector size
19944 as well as sizes not multiple of component size.
19947 * function.c (instantiate_expr): New function.
19948 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
19949 walk its DECL_VALUE_EXPR with instantiate_expr.
19951 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
19952 DW_OP_deref{,_size} if address isn't going to be added.
19954 2006-01-04 Ben Elliston <bje@au.ibm.com>
19956 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
19957 * config/fp-bit.c: Likewise.
19959 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
19961 * dominance.c: Add comment about why we use DFS numbering
19964 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19965 Richard Henderson <rth@redhat.com>
19967 Merge from gomp-branch:
19968 * varasm.c (assemble_variable): Handle thread-local COMMON data.
19969 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
19971 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
19973 PR rtl-optimization/25578
19974 * combine.c (combine_simplify_rtx, force_to_mode): Don't
19975 pass a parameter to simplify_shift_const if changing ASHIFTRT
19978 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
19980 * builtins.c (get_builtin_sync_mem): New function.
19981 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
19982 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
19983 Call get_builtin_sync_mem to generate mem rtx.
19985 2006-01-03 Richard Guenther <rguenther@suse.de>
19988 * stmt.c (add_case_node): Make sure to clear overflow flags
19991 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19993 Merge from gomp-branch.
19994 * config/sparc/sync.md: New file.
19995 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
19996 UNSPECV_LDSTUB): New constants.
19997 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
19998 * config/sparc/predicates.md (memory_reg_operand): New predicate.
19999 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
20002 2006-01-03 Roger Sayle <roger@eyesopen.com>
20004 * combine.c (reg_subword_p): New predicate to test whether the
20005 destination of a set refers to a subword/piece of a register.
20006 (try_combine): Generalize the code to merge the setting of a
20007 pseudo to a constant followed by a set of a subword of that
20008 register to a constant.
20010 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
20012 * basic-block.h (control_flow_graph): Change the type of
20013 x_label_to_block_map to VEC(basic_block,gc) *.
20014 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
20015 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
20017 * tree-ssa-propagate.c (cfg_blocks): Change the type to
20018 VEC(basic_block,heap) *.
20019 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
20020 ssa_prop_fini): Adjust the uses of cfg_blocks.
20022 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
20024 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
20026 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
20027 hashing trees instead of a pointer hash.
20028 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
20029 compare for MEM_EXPR.
20031 PR rtl-optimization/25130
20032 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
20033 when comparing MEMs for GCSE
20035 2006-01-03 Ben Elliston <bje@au.ibm.com>
20037 * targhooks.h (default_decimal_float_supported_p): Declare.
20038 * targhooks.c (default_decimal_float_supported_p): Define.
20039 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
20040 `default_decimal_float_supported_p'.
20041 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
20043 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
20045 * combine.c (apply_distributive_law <SUBREG>): Check
20046 TRULY_NOOP_TRUNCATION.
20048 2006-01-02 Geoffrey Keating <geoffk@apple.com>
20050 * dwarf2out.c (have_switched_text_section): Delete.
20051 (have_multiple_function_sections): New.
20052 (have_location_lists): Make 'bool'.
20053 (add_AT_loc_list): Use 'true' not '1'.
20054 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
20055 (output_loc_list): Use have_multiple_function_sections.
20056 (output_ranges): Likewise.
20057 (dwarf2out_begin_function): Set have_multiple_function_sections if
20059 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
20060 Check function_section rather than DECL_SECTION_NAME.
20061 (dwarf2out_finish): Use have_multiple_function_sections.
20062 Don't clear have_location_lists.
20064 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
20065 Jan Hubicka <jh@suse.cz>
20067 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
20068 case of conditional jump jumping to the next instruction.
20069 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
20070 cases of conditional jump jumping to the next instruction.
20072 2006-01-02 Jan Hubicka <jh@suse.cz>
20074 * i386.c (*_cost): Add COSTS_N_INSNS.
20075 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
20077 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
20080 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
20082 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
20084 * config/arm/arm.c (all_fpus): Fix comment typo.
20085 * config/darwin.c: Likewise.
20086 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
20087 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
20088 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
20090 2006-01-01 David Edelsohn <edelsohn@gnu.org>
20092 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
20093 (rs6000_split_compare_and_swapqhi): New.
20094 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
20095 (sync_compare_and_swapqhi_internal): New.
20096 * config/rs6000/rs6000-protos.h: Declare.