1 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
5 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
8 * config/spu/spu.md (extend_compare<mode>): New pattern.
9 (extend_compare): Change to expand and use the above pattern.
11 2006-11-29 Janis Johnson <janis187@us.ibm.com>
13 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
15 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
16 (DFP_INIT_ROUNDMODE): Define.
17 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
18 * mklibgcc.in: Fix dependencies for dfp-bit.c.
20 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
22 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
24 (associate_line_notes_with_blocks): Kill.
25 (extend_bb): Remove basic block argument, put void instead.
26 Remove line number handling for each bb.
27 (save_line_notes): Kill.
28 (restore_line_notes): Kill.
29 (sched_init): Remove line_note_head initialization.
30 Change extend_bb call.
31 (sched_finish): Remove free of line_note_head.
32 (add_block): Change extend_bb call.
33 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
34 rm_line_notes and restore_line_notes calls.
35 (schedule_ebbs): Remove rm_redundant_line_notes.
36 * sched-int.h (struct haifa_insn_data): Remove line_note.
37 (save_line_notes): Remove declaration.
38 (restore_line_notes): Remove declaration.
39 * modulo-sched.c (loop_canon_p): Update debug info printing
40 by using insn locators instead of line note.
41 (sms_schedule): Update debug info printing, by using insn
42 locators instead of line note.
43 * sched-rgn.c (debug_dependencies): Remove handling of case
44 n>0 (line number), since it's a dead code.
45 (schedule_region): Remove save_line_notes and
46 restore_line_notes calls.
48 2006-11-29 Joseph Myers <joseph@codesourcery.com>
50 * config/rs6000/predicates.md (gpc_reg_operand): Check
52 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
53 SImode subregs of SPE vectors.
54 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
55 * jump.c (true_regnum): Require subregs to satisfy
56 subreg_offset_representable_p.
58 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
59 Steven Bosscher <stevenb.gcc@gmail.com>
61 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
62 since it no longer exists.
64 2006-11-29 Duncan Sands <baldrick@free.fr>
66 PR tree-optimization/23744
67 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
69 2006-11-29 Duncan Sands <baldrick@free.fr>
71 PR tree-optimization/23744
72 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
74 2006-11-29 Duncan Sands <baldrick@free.fr>
76 PR tree-optimization/23744
77 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
79 2006-11-29 Jie Zhang <jie.zhang@analog.com>
81 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
83 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
85 * sh.opt (minline-ic_invalidate): New option.
86 (musermode): Adjust comment.
87 * sh.c (sh_initialize_trampoline): Emit library call unless
88 is set; if it is set, don't emit library call if we can use icbi
90 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
91 icbi for TARGET_SH4_300.
92 * t-sh (LIB1ASMFUNCS_CACHE): Set.
93 * doc/invoke.texi: Document -minline-ic_invalidate; Update
94 -musermode documentation.
96 2006-11-29 Jim Tison <jtison@us.ibm.com>
98 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
99 __gthread_recursive_mutex_init): Define.
101 2006-11-29 Joseph Myers <joseph@codesourcery.com>
103 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
104 STRICT_ALIGNMENT and the type is more aligned than the saved
105 registers, copy via a temporary.
107 2006-11-28 Andrew Pinski <pinskia@gmail.com>
110 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
113 2006-11-28 Bob Wilson <bob.wilson@acm.org>
115 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
117 2006-11-28 Jan Hubicka <jh@suse.cz>
119 Privatize SSA variables into gimple_df.
121 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
122 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
123 gimple_nonlocal_all): New accessors.
124 (first_referenced_var): Update.
125 (mark_stmt_modified): Update.
126 (is_call_clobbered): Update.
127 (mark_call_clobbered): Update.
128 (clear_call_clobbered): Update.
129 (mark_non_addressable): Update.
130 * tree-vrp.c (get_value_range): Update.
131 * tree-into-ssa.c (in_ssa_p): Kill.
132 (get_default_def_for): Update.
133 (rewrite_into_ssa): Update.
134 * tree-complex.c (init_parameter_lattice_values): Update.
135 (update_complex_assignment): Update.
136 (update_parameter_components): Update.
137 (expand_complex_libcall): Update.
138 (expand_complex_operations_1): Update.
139 * tree-tailcall.c (arg_needs_copy_p): Update.
140 (add_virtual_phis): Update.
141 (tree_optimize_tail_calls_1): Update.
142 * tree-ssa-dse.c (memory_ssa_name_same): Update.
143 * tree-ssa-copyrename.c
144 (copy_rename_partition_coalesce): Update.
145 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
146 * tree-ssa-propagate.c (set_rhs): Update.
147 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
148 addressable_vars, global_var):Kill.
149 (set_initial_properties): Update.
150 (init_alias_info): Update.
151 (finalize_ref_all_pointers): Update.
152 (setup_pointers_and_addressables): Update.
153 (maybe_create_global_var): Update.
154 (create_global_var): Update.
155 (dump_points_to_info): Update.
156 * function.h (struct gimple_df): Forward declare.
157 (struct function): Add GIMPLE_DF field.
158 * gimplify.c (force_gimple_operand): Update.
159 * tree-dfa.c (referenced_vars, default_defs): KIll.
160 (make_rename_temp): Update.
161 (dump_variable): Update.
162 (referenced_var_lookup): Update.
163 (referenced_var_check_and_insert): Update.
164 (default_def): Rename to ...
165 (gimple_default_def): ... this one; accept cfun argument.
166 (set_default_def): Update.
167 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
168 (cleanup_control_flow): Update.
169 * tree-ssa-pre.c (compute_avail): Update
170 * tree-ssa-live.c (calculate_live_on_entry): Update.
171 * tree-ssa.c (verify_use): Update.
172 (verify_call_clobbering): Update.
173 (verify_call_clobbering): Update.
174 (init_tree_ssa): Update.
175 (delete_tree_ssa): Update.
176 * tree-outof-ssa.c (coalesce_ssa_name): Update.
177 (rewrite_out_of_ssa): Update.
178 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
179 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
181 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
182 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
183 addressable_vars, aliases_computed_p): Kill.
184 (default_def): Rename to...
185 (gimple_default_def): ... this one.
186 (defaule_def_fn): Kill.
187 (num_referenced_vars, ssa_names, num_ssa_names): Update.
188 * tree-ssa-structalias.c (nonlocal_all): Kill.
189 (get_constraint_exp_from_ssa_var): Update.
190 (create_nonlocal_var): Update.
191 (get_constraint_for): Update.
192 (update_alias_info): Update.
193 (find_global_initializers): Update.
194 (intra_create_variable_infos): Update.
195 (intra_create_variable_infos):
196 (find_what_p_points_to): Update.
197 (init_alias_heapvars): Update.
198 * tree-cfg.c (remove_bb): Update.
199 (gimplify_val): Update.
200 * tree-ssa-reassoc.c (get_rank): Update.
201 (init_reassoc): Update.
202 * tree-ssanames.c: Do not include gt-tree-ssanames.h
203 (ssa_names, free_ssanames): Kill.
204 (init_ssanames): Update.
205 (make_ssa_name): Update.
206 (release_ssa_name): Update.
207 (release_defs): Update.
208 (replace_ssa_name_symbol): Update.
209 * tree-ssa-operands.c (access_can_touch_variable): Update.
210 (add_virtual_operand): Update.
211 (add_call_clobber_ops): Update.
212 (add_call_read_ops): Update.
213 (get_call_expr_operands): Update.
214 (get_asm_expr_operands): Update.
216 2006-11-28 Jan Hubicka <jh@suse.cz>
218 * builtins.c: Include tree-flow.h.
219 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
220 assignment; convert memmove to memcpy for sizes greater than 1 where
221 alignment of operands prohibit the partial overlap.
223 2006-11-28 Jan Hubicka <jh@suse.cz>
225 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
226 * cgraph.c (dump_cgraph_node): Dump stack usage.
227 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
228 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
229 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
230 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
231 (cgraph_check_inline_limits): Limit stack growth.
232 * cfgexpand.c: Include tree-inline.h.
233 (account_stack_vars): New function.
234 (expand_one_var): New param to just account the stack; return estimated
236 (expand_used_vars_for_block): Update call of expand_one_var.
237 (account_used_vars_for_block): New function.
238 (estimated_stack_frame_size): Likewise.
239 (init_vars_expansion, fini_vars_expansion): Break out from..
240 (expand_used_vars): ... here.
241 * tree-inline.h (estimated_stack_frame_size): Declare.
242 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
244 2006-11-28 Richard Guenther <rguenther@suse.de>
246 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
247 unsigned long for printing OBJECT_SIZE.
249 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
251 * alias.c (init_alias_analysis): Remove simplification loop
252 after propagating pointers.
254 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
256 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
259 2006-11-27 Bob Wilson <bob.wilson@acm.org>
261 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
263 2006-11-27 Roger Sayle <roger@eyesopen.com>
264 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
266 * c-common.c (constant_fits_type_p): Delete.
267 (unsigned_conversion_warning): Delete.
268 (conversion_warning): Integrate Wconversion warning from
269 unsigned_conversion_warning.
270 (convert_and_check): Integrate Woverflow warning from
271 unsigned_conversion_warning. Reorganize and simplify to avoid
272 dependence upon the middle-end setting TREE_OVERFLOW on integral
273 conversions, by using int_fits_type_p directly.
275 2006-11-27 Tobias Burnus <burnus@net-b.de>
277 * doc/invoke.texi: Fixed typo.
279 2006-11-27 Michael Matz <matz@suse.de>
280 Andreas Krebbel <krebbel1@de.ibm.com>
283 * config/s390/predicates.md (larl_operand): Check addend of larl
284 operand to be in range of -/+2GB.
285 * config/s390/s390.c (legitimize_pic_address): Likewise.
286 Changed type of variable even to HOST_WIDE_INT.
288 2006-11-27 Jan Hubicka <jh@suse.cz>
290 * expr.c (emit_block_move_via_libcall): Export.
291 (clear_storage_via_libcall): Rename to ...
292 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
293 (clear_storage): Update to set_storage_via_libcall.
294 * expr.h (emit_block_move_via_libcall): Declare
295 * config/i386/i386.h (stringop_alg): New enum.
296 (MAX_STRINGOP_ALGS): New constant.
297 (stringop_algs): New struct.
298 (processor_costs): Add memcpy/memset descriptors.
299 (TARGET_REP_MOVEL_OPTIMAL): Remove.
300 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
301 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
303 * config/i386/i386.opt (minline-stringops-dynamically,
304 mstringop-strategy): New
306 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
307 (ix86_expand-clrmem): Rename to ...
308 (ix86_expand_setmem): ... this one; update prototype.
309 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
310 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
311 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
312 nocona_cost, core2_cost, generic_cost, generic64_cost,
313 generic32_cost): Add memcpy/memset descriptors.
314 (x86_rep_movl_optimal): Remove.
315 (stringop_alg): New static variable.
316 (ix86_expand_aligntest): Handle predictions.
317 (override_options): Add strgop_alg handling.
318 (predict_jump): New function.
319 (scale_counter): New function.
320 (expand_set_or_movmem_via_loop): New function.
321 (expand_movmem_via_rep_mov): New function.
322 (expand_setmem_via_rep_stots): New function.
323 (emit_strmov): New function.
324 (expand_movmem_epilogue): New function.
325 (expand_setmem_epilogue_via_loop): New function.
326 (expand_setmem_epilogue): New function.
327 (expand_movmem_prologue): New function.
328 (expand_setmem_prologue): New function.
329 (decide_alg): New function.
330 (decide_alignment): New function.
331 (ix86_exand_movmem): Rewrite.
332 (promote_duplicated_reg): New function.
333 (ix86_expand_clrmem): Rename to ...
334 (ix86_expand_setmem): ... this one. Rewrite.
336 * invoke.texi (minline-stringops-dynamically): New command line option.
337 (mstringop-strategy): Likewise.
339 2006-11-27 Jan Hubicka <jh@suse.cz>
341 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
342 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
343 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
344 * insn-notes.def (FUNCTION_END): Remove.
345 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
346 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
348 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
349 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
350 * cfglayout.c (duplicate_insn_chain): Don't worry about
353 2006-11-27 Richard Guenther <rguenther@suse.de>
354 Zdenek Dvorak <dvorakz@suse.cz>
356 * target.h (struct gcc_target): Add builtin_vectorized_function
358 * target-def.h (TARGET_VECTORIZE): Likewise.
359 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
360 Document new target hook.
361 * targhooks.h (default_builtin_vectorized_function): Declare.
362 * targhooks.c (default_builtin_vectorized_function): Define.
363 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
364 (vectorizable_call): Declare.
365 * tree-vect-analyze.c (vect_analyze_operations): Call
367 * tree-vect-transform.c (vectorizable_function): New static function.
368 (build_vectorized_function_call): Likewise.
369 (vectorizable_call): New function.
370 (vect_transform_stmt): Handle vectorizable calls.
372 2006-11-27 Richard Guenther <rguenther@suse.de>
375 * builtins.c (expand_builtin_pow): Optimize non integer valued
376 constant exponents using sqrt or cbrt if possible. Always fall back
377 to expanding via optabs.
379 2006-11-27 Ira Rosen <irar@il.ibm.com>
381 PR tree-optimization/22372
382 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
383 the type of the base address.
384 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
385 it in the data-ref pointer creation.
386 (vect_init_vector): Add an argument, type of the init vector. Use it in
388 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
389 (get_initial_def_for_reduction): Likewise.
390 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
392 (vectorizable_assignment, vect_permute_store_chain): Likewise.
393 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
394 correct type in stmt creation.
395 (vect_setup_realignment): Use the correct type in stmt creation.
396 (vect_permute_load_chain): Change type of MODIFY_EXPR to
398 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
399 of MODIFY_EXPR to void_type_node.
400 (vectorizable_condition): Change type of MODIFY_EXPR to
402 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
405 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
408 2006-05-08 Uros Bizjak <uros@kss-loka.si>
409 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
410 standard 80387 constants, raise the cost to prevent
411 compress_float_constant() to generate load from memory.
413 * config/i386/i386.md: Add new splitter pattern to split
414 float_extended load of constant from constant pool into
417 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
419 * doc/install.texi: Move GMP/MPFR configure options from Fortran
420 section to general section. Remove documentation for
421 --with-mpfr-dir and --with-gmp-dir, add documentation for
422 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
425 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
427 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
429 * testsuite/gcc.dg/ipa/ipa-6.c: New.
431 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
433 PR tree-optimization/29122
434 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
435 for the new version. Assign NULL to DECL_RTL of the new version.
437 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
439 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
441 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
443 * cse.c (cse_altered): Remove.
444 (record_jump_equiv): Make true/false argument a bool instead
446 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
447 where appropriate. Emit a new jump before the existing one
448 instead of after so that delete_insn_and_edges removes the
449 dead edges properly. Check any_condjump_p before calling
451 (cse_basic_block): Check any_condjump_p before calling
453 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
455 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
457 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
458 -ffixed-line-length-* options.
460 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
462 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
463 (fprem1xf4): Rename to fprem1xf4_i387.
465 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
466 Rename patterns to fmod<mode>3. Use general_operand operand
467 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
468 patterns for SSE math.
469 (remaindersf3, remainderdf3): Ditto.
471 2006-11-25 Joseph Myers <joseph@codesourcery.com>
473 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
474 inside start_sequence / end_sequence pair.
476 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
478 * jump.c (mark_all_labels): Work in cfglayout mode.
479 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
480 when in cfglayout mode, because there are no dead jumptables
482 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
484 (commit_edge_insertions): Do not allow insertion of instructions
485 with control flow insns when in cfglayout mode.
487 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
489 * tree-vrp.c (execute_vrp): Do not pass loops structure through
491 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
492 unswitch_loop): Ditto.
493 * tree-loop-linear.c (linear_transform_loops): Ditto.
494 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
495 tree_ssa_lim): Ditto.
496 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
497 free_numbers_of_iterations_estimates): Ditto.
498 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
499 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
500 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
501 remove_path, add_loop, loopify, unloop, fix_loop_placements,
502 place_new_loop, duplicate_loop, duplicate_subloops,
503 update_single_exit_for_duplicated_loops, copy_loops_to,
504 duplicate_loop_to_header_edge, create_preheaders,
505 force_single_succ_latches, loop_version, fix_loop_structure):
507 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
508 tree_unroll_loop): Ditto.
509 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
510 * tree-scalar-evolution.c (select_loops_exit_conditions,
511 scev_initialize, scev_analysis): Ditto.
512 * tree-scalar-evolution.h (scev_initialize): Ditto.
513 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
514 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
515 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
516 * modulo-sched.c (sms_schedule): Ditto.
517 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
518 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
519 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
520 * ifcvt.c (if_convert): Ditto.
521 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
522 canonicalize_loop_induction_variables,
523 canonicalize_induction_variables,
524 tree_unroll_loops_completely, remove_empty_loops): Ditto.
525 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
526 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
527 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
528 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
529 tree_ssa_loop_done): Ditto.
530 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
531 estimate_bb_frequencies): Ditto.
532 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
533 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
534 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
535 decide_unrolling_and_peeling, peel_loop_completely,
536 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
537 peel_loop_simple, unroll_loop_stupid): Ditto.
538 * loop-doloop.c (doloop_optimize_loops): Ditto.
539 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
540 * loop-invariant.c (move_loop_invariants): Ditto.
541 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
542 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
543 tree_ssa_prefetch_arrays): Ditto.
544 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
546 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
547 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
548 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
549 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
550 verify_loop_structure): Ditto.
551 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
552 canonicalize_induction_variables, tree_unroll_loops_completely,
553 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
554 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
555 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
556 tree_unroll_loop, linear_transform_loops): Declaration changed.
557 * basic-block.h: Remove declaration of struct loops.
558 * cfghooks.h (struct cfg_hooks): Change type of
559 cfg_hook_duplicate_loop_to_header_edge.
560 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
561 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
562 vect_transform_loop): Declaration changed.
563 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
564 * cfgloop.h (flow_loops_dump, fix_loop_structure,
565 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
566 cancel_loop_tree, create_preheaders, force_single_succ_latches,
567 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
568 loopify, loop_version, remove_path, unswitch_loops,
569 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
572 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
574 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
575 (X87MODEF): New mode macro.
576 (ssemodefsuffix): New mode attribute.
577 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
578 (sqrt_extend<mode>xf2_i387): New insn pattern.
579 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
580 insn and truncate result back to original mode using
581 UNSPEC_TRUNC_NOOP truncation.
582 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
583 ssemodefsuffix mode attribute.
584 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
585 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
586 (*sqrtextenddfxf2_i387): Remove insn patterns.
588 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
591 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
593 2006-11-24 Jakub Jelinek <jakub@redhat.com>
596 * c-tree.h (c_maybe_initialize_eh): New prototype.
597 * c-decl.c (finish_decl): Move EH initialization...
598 (c_maybe_initialize_eh): ... here. New function.
599 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
600 if not #pragma omp atomic.
603 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
604 or UNION_TYPE inner types.
606 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
609 * ipa-pure-const.c (check_tree): If the original tree
610 is volatile return early and say the function is not pure
611 nor const. Remove the volatile check for writes.
612 (analyze_function): Print out the result of the local
615 2006-11-24 Joseph Myers <joseph@codesourcery.com>
617 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
619 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
620 * config/rs6000/rs6000.c (rs6000_override_options): Use
621 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
624 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
626 * config/s390.c (s390_emit_compare_and_swap): New function.
627 (s390_expand_cs_hqi, s390_expand_atomic): Call
628 s390_emit_compare_and_swap.
630 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
632 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
634 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
638 * c-common.c (conversion_warning): New.
639 (convert_and_check): Call conversion_warning unless there is an
641 * doc/invoke.texi (-Wconversion): Update description.
643 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
645 * tree-ssa-alias.c (tree_pointer_compare): New function.
646 (compact_name_tags): New function.
647 (group_aliases): Call compact_name_tags.
649 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
651 * real.h (real_isinteger): Declare.
652 * real.c (real_isinteger): Define.
653 * builtins.c (integer_valued_real_p): Use it.
655 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
658 * c.opt (Wtraditional-conversion): New.
659 (Wconversion): Update description.
660 * c-typeck.c (convert_arguments): Warnings for prototypes causing
661 type conversions different from what would happen in the absence
662 of prototype are now handled by Wtraditional-conversion.
663 * doc/invoke.texi (Wtraditional-conversion): New.
664 (Wconversion): Update description.
665 * doc/trouble.texi (Wconversion): Replace Wconversion by
666 Wtraditional-conversion.
668 2006-11-23 Andrew Pinski <pinskia@gmail.com>
670 * predict.c (tree_estimate_probability): Check to make
671 sure current_loops is non null before calling flow_loops_dump.
673 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
675 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
677 2006-11-23 David Ung <davidu@mips.com>
679 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
681 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
682 (ASM_SPEC): Pass along -mfp32 and -mfp64.
683 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
684 high part of FP register when in 64-bit FP register mode. Similarly
685 use gen_mfhc1 to load high part of FP register.
686 (override_options): Allow -mgp32 and -mfp64 combination if
687 ISA_HAS_MXHC1 (currently for O32 only).
688 (mips_cannot_change_mode_class): If floating-point registers are
689 bigger than word size. disallow conversion of float register from a
690 large integer mode to a float mode smaller than the float register
692 (mips_class_max_nregs): Handle float registers case seperately.
693 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
695 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
696 (movdf_hardfloat_32bit): Similarly.
697 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
698 support a full 64-bit fpu.
699 (mthc1): New pattern to generate MTHC1 instruction.
700 (mfhc1): New pattern to generate MFHC1 instruction.
701 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
702 option for the MIPS32R2 and mention its use under O32 ABI.
704 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
706 * var-tracking.c (emit_note_insn_var_location): Take care not to
707 cause verify_flow_info failures.
709 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
711 * tree-ssa-structalias.c: Remove edge weights in favor of just
712 processing them as complex constraints.
713 (struct constraint_graph): Remove weighted succs and preds. Rename
714 nonweighted succs and preds.
715 (constraint_edge): Removed.
716 (constraint_edge_t): Ditto.
717 (constraint_edge_pool): Ditto.
718 (new_constraint_edge): Ditto.
719 (constraint_edge_equal): Ditto.
720 (constraint_edge_less): Ditto.
721 (constraint_edge_vec_find): Ditto.
722 (erase_self_graph_edge): Ditto.
723 (add_graph_edge): Removed.
724 (get_graph_weights): Ditto.
725 (allocate_graph_weights): Ditto.
726 (valid_weighted_graph_edge): Ditto
727 (bitmap_other_than_zero_bit_set): Ditto.
728 (int_add_graph_edge): Renamed to add_graph_edge.
729 (clear_edges_for_node): Remove support for weighted edges.
730 (merge_graph_nodes): Ditto.
731 (valid_graph_edge): Ditto.
732 (build_constraint_graph): Ditto.
734 (collapse_nodes): Ditto.
735 (process_unification_queue): Ditto.
737 (do_ds_constraint): Ditto.
738 (perform_var_subsitution): Ditto.
739 (solve_graph): Ditto.
740 (init_alias_vars): Ditto.
741 (delete_points_to_sets): Ditto.
742 (do_complex_constraint): Support offsetted copies here.
744 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
746 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
748 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
750 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
753 2006-11-23 Ben Elliston <bje@au.ibm.com>
755 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
757 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
759 PR tree-optimization/29921
760 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
761 signed and unsigned zero equal.
763 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
765 * config/rs6000/rs6000.c (get_store_dest): New.
766 (adjacent_mem_locations): Use get_store_dest() to get
767 the rtl of the store destination.
769 2006-11-22 Joseph Myers <joseph@codesourcery.com>
771 * config/rs6000/spe.md (SPE64): New mode macro.
772 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
774 (mov_si<mode>_e500_subreg0_2): New.
775 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
777 (mov_si<mode>_e500_subreg4_2): New.
778 * config/rs6000/predicates.md (input_operand): Do not allow
779 invalid E500 subregs.
780 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
782 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
783 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
784 involving vector modes if TARGET_SPE.
786 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
789 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
790 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
792 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
794 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
795 mem_i_address_operand): New predicates.
796 * config/bfin/bfin.c (bfin_issue_rate): New function.
797 (TARGET_SCHED_ISSUE_RATE): New macro.
798 * config/bfin/bfin.md (addrtype): New attribute.
799 (slot0, slot1, slot2, store, pregs): New cpu_units.
800 (core): Now a define_reservation.
801 (alu): Remove some insn types from this reservation.
802 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
804 (dummy reservation): Don't trigger for mcld insns.
805 (absence_sets): Two new absence sets to enforce slot ordering.
806 (popsi_insn): Set addrtype.
808 2006-11-22 Ira Rosen <irar@il.ibm.com>
810 * doc/c-tree.texi: Document new tree codes.
811 * doc/md.texi: Document new optabs.
812 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
814 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
815 * optabs.h (optab_index): Add new.
816 (vec_extract_even_optab, vec_extract_odd_optab,
817 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
818 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
819 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
821 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
822 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
823 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
824 along with macros for their access.
825 * tree-data-ref.h (first_location_in_loop, data_reference): Update
827 * tree-vect-analyze.c (toplev.h): Include.
828 (vect_determine_vectorization_factor): Fix indentation.
829 (vect_insert_into_interleaving_chain,
830 vect_update_interleaving_chain, vect_equal_offsets): New functions.
831 (vect_analyze_data_ref_dependence): Add argument for interleaving
832 check. Check for interleaving if it's true.
833 (vect_check_dependences): New function.
834 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
835 every ddr. Call vect_analyze_data_ref_dependence with new argument.
836 (vect_update_misalignment_for_peel): Update for interleaving.
837 (vect_verify_datarefs_alignment): Check only first data-ref for
839 (vect_enhance_data_refs_alignment): Update for interleaving. Check
840 only first data-ref for interleaving.
841 (vect_analyze_data_ref_access): Check interleaving, update
843 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
844 with different parameters.
845 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
846 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
847 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
848 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
849 Update step in case of interleaving.
850 (vect_strided_store_supported, vect_permute_store_chain): New
852 (vectorizable_store): Handle strided stores.
853 (vect_strided_load_supported, vect_permute_load_chain,
854 vect_transform_strided_load): New functions.
855 (vectorizable_load): Handle strided loads.
856 (vect_transform_stmt): Add argument. Handle strided stores. Check
857 that vectorized stmt exists for patterns.
858 (vect_gen_niters_for_prolog_loop): Update calculation for
860 (vect_transform_loop): Remove stmt_vec_info for strided stores after
861 whole chain vectorization.
862 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
863 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
864 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
865 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
866 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
868 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
870 * cse.c (enum taken): Remove PATH_AROUND.
871 (addr_affects_sp_p, invalidate_skipped_set,
872 invalidate_skipped_block): Remove.
873 (cse_end_of_basic_block): Remove skip_blocks and related code.
874 (cse_main): Don't test for flag_cse_skip_blocks.
875 Update cse_end_of_basic_block call.
876 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
877 code to lengthen the path if a jump was simplified.
879 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
881 PR rtl-optimization/29924
882 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
883 (unroll_loop_runtime_iterations): Assert that the argument passed to
884 split_edge_and_insert is not NULL.
885 * loop-doloop.c (add_test): Ditto.
887 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
889 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
891 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
892 * cfgloopmanip.c (update_single_exits_after_duplication,
893 update_single_exit_for_duplicated_loop, loop_version): Ditto.
894 * tree-scalar-evolution.c (get_loop_exit_condition,
895 get_exit_conditions_rec, loop_closed_phi_def,
896 number_of_iterations_in_loop, scev_const_prop): Ditto.
897 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
898 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
900 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
902 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
903 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
904 slpeel_make_loop_iterate_ntimes,
905 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
906 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
908 * tree-if-conv.c (if_convertible_loop_p): Ditto.
909 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
910 vect_analyze_loop_form): Ditto.
911 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
912 can_convert_to_perfect_nest, perfect_nestify): Ditto.
913 * tree-vect-transform.c (vect_create_epilog_for_reduction,
914 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
915 vect_transform_loop): Ditto.
916 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
917 (single_exit, set_single_exit): New functions.
918 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
919 (single_exit, set_single_exit): Declare.
920 * doc/loop.texi: Undocument single_exit field. Document single_exit
923 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
925 PR tree-optimization/29902
926 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
927 any involved ssa name appears in abnormal phi node.
929 2006-11-21 Bob Wilson <bob.wilson@acm.org>
931 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
932 (xtensa_const_ok_for_letter_p): Delete.
933 (xtensa_extra_constraint): Delete.
934 (override_options): Delete xtensa_char_to_class initialization.
935 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
936 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
937 (EXTRA_CONSTRAINT): Delete.
938 * config/xtensa/xtensa.md: Include constraints.md.
939 (call_internal): Combine alternatives.
940 (call_value_internal): Likewise, and remove invalid constraints.
941 * config/xtensa/constraints.md: New file.
942 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
943 (xtensa_extra_constraint): Delete.
944 * doc/md.texi (Machine Constraints): Refer to constraints.md for
947 2006-11-21 Janis Johnson <janis187@us.ibm.com>
949 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
950 of conversion that doesn't fit.
952 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
953 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
954 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
956 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
958 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
960 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
962 2006-11-21 Richard Guenther <rguenther@suse.de>
964 * tree-vectorizer.h (NUM_PATTERNS): Increase.
965 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
966 vect_recog_pow_pattern.
967 (vect_recog_pow_pattern): New function.
969 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
971 * config/bfin/bfin.opt (mstack-check-l1): New.
972 * doc/invoke.texi (Blackfin Options): Document it.
973 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
974 stack bounds in L1 memory if the new option is enabled.
975 (override_options): Don't allow combinations of -fstack-limit and
977 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
980 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
982 (bfin_register_move_cost): Bump costs if trying to move plain
983 integer values through accumulators.
985 2006-11-21 Ben Elliston <bje@au.ibm.com>
987 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
989 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
990 Russell Olsen <Russell_Olsen@playstation.sony.com>
991 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
992 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
993 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
994 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
995 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
997 * config.gcc: Add target for SPU.
998 * config/spu/constraints.md: New file.
999 * config/spu/crt0.c: New file.
1000 * config/spu/crtend.c: New file.
1001 * config/spu/crti.asm: New file.
1002 * config/spu/crtn.asm: New file.
1003 * config/spu/float_unsdidf.c: New file.
1004 * config/spu/float_unssidf.c: New file.
1005 * config/spu/predicates.md: New file.
1006 * config/spu/spu-builtins.def: New file.
1007 * config/spu/spu-builtins.h: New file.
1008 * config/spu/spu-builtins.md: New file.
1009 * config/spu/spu-c.c: New file.
1010 * config/spu/spu-elf.h: New file.
1011 * config/spu/spu-modes.def: New file.
1012 * config/spu/spu-protos.h: New file.
1013 * config/spu/spu.c: New file.
1014 * config/spu/spu.h: New file.
1015 * config/spu/spu.md: New file.
1016 * config/spu/spu.opt: New file.
1017 * config/spu/spu_internals.h: New file.
1018 * config/spu/spu_intrinsics.h: New file.
1019 * config/spu/spu_mfcio.h: New file.
1020 * config/spu/t-spu-elf: New file.
1021 * config/spu/vec_types.h: New file.
1022 * config/spu/vmx2spu.h: New file.
1023 * doc/contrib.texi: Document SPU contributor.
1024 * doc/extend.texi: Document SPU extensions.
1025 * doc/invoke.texi: Document SPU options.
1026 * doc/md.texi: Document SPU constraints.
1028 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1030 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
1032 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
1034 (flow_loop_dump): Do not dump loop level.
1035 (flow_loops_find): Do not call flow_loops_level_compute.
1036 * cfgloop.h (struct loop): Remove level field.
1038 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1040 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
1041 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
1042 Use vector of edges instead of array.
1043 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
1044 estimate_numbers_of_iterations_loop): Ditto.
1045 * predict.c (predict_loops): Ditto.
1046 * loop-unroll.c (analyze_insns_in_loop): Ditto.
1047 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
1049 * basic-block.h: Declare heap allocation for edge vectors.
1050 * tree-outof-ssa.c: Ditto.
1051 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
1052 * cfgloop.h (get_loop_exit_edges): Declaration changed.
1054 2006-11-20 Zack Weinberg <zackw@panix.com>
1056 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
1057 Add another out parameter, "skip".
1058 (set_gc_used_type): Adjust calls to process_gc_options. If a field
1059 is tagged "skip", do not mark its type used.
1061 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1064 * tree-sra.c (single_scalar_field_in_record_p): New function.
1065 (decide_block_copy): Use it.
1067 2006-11-20 David Daney <ddaney@avtrex.com>
1069 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
1070 PC to point to following instruction.
1072 2006-11-20 Anatoly Sokolov <aesok@post.ru>
1076 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
1078 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
1080 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
1082 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1083 Add sh/superh.h to tm_file.
1085 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
1086 Mark Mitchell <mark@codesourcery.com>
1088 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
1090 (cpp_relocated): New function.
1091 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
1093 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
1094 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
1095 replace configured prefix with gcc_exec_prefix.
1097 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
1099 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
1100 bfin_legitimate_constant_p.
1101 * config/bfin/bfin.md (movsi expander): Check return value of
1103 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
1104 (expand_move): Adjust prototype.
1105 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
1106 invalid constants specially.
1107 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
1109 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
1111 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
1112 sibcall_value_symbol): Allow these patterns if
1113 TARGET_LEAF_ID_SHARED_LIBRARY.
1114 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
1115 (override_options): Turn on id shared library flags if -msep-data,
1116 but disallow the combination of these options on the command line.
1117 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
1118 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
1119 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
1120 -mid-shared-library.
1121 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
1122 * doc/invoke.texi (Blackfin Options): Document new switches.
1124 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
1125 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
1127 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
1128 inflate costs for addresses with an out-of-bounds address.
1130 2006-11-19 Andrew Pinski <pinskia@gmail.com>
1133 * fwprop.c (loops): Remove.
1134 (forward_propagate_into): Use current_loops instead of
1136 (fwprop_init): Call loop_optimizer_init instead of
1138 (fwprop_done): Call loop_optimizer_finalize instead of
1140 (fwprop): Use current_loops instead of loops.
1142 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
1145 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
1147 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1150 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
1151 larger than BITS_PER_WORD.
1153 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1157 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
1158 to MAX_FIXED_MODE_SIZE.
1160 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1162 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
1163 (fold_builtin_fmin_fmax): New.
1164 (fold_builtin_1): Use it.
1166 * fold-const.c (fold_strip_sign_ops): Handle copysign.
1168 2006-11-18 Richard Guenther <rguenther@suse.de>
1170 * config/i386/i386.c (ix86_builtins): New array for ix86
1171 builtin function decls.
1172 (def_builtin): New function.
1173 (def_builtin_const): Likewise.
1174 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
1176 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
1178 * doc/invoke.texi (core2): Add item.
1180 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
1182 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
1183 (TARGET_CPU_DEFAULT_generic): Change value.
1184 (TARGET_CPU_DEFAULT_NAMES): Add core2.
1185 (processor_type): Add new constant PROCESSOR_CORE2.
1187 * config/i386/i386.md (cpu): Add core2.
1189 * config/i386/i386.c (core2_cost): New initialized variable.
1190 (m_CORE2): New macro.
1191 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
1192 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
1193 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1194 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1195 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1196 x86_accumulate_outgoing_args, x86_prologue_using_move,
1197 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1198 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
1199 x86_use_incdec, x86_four_jump_limit, x86_schedule,
1200 x86_pad_returns): Add m_CORE2.
1201 (override_options): Add entries for Core2.
1202 (ix86_issue_rate): Add case for Core2.
1204 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
1206 * doc/invoke.texi: Fix mno-isel typo.
1208 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1210 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
1211 easy vector constant loads.
1213 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1215 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
1216 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1217 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
1218 * config/rs6000/sync.md (lwsync): Emit plain sync if
1221 2006-11-17 DJ Delorie <dj@redhat.com>
1223 * reload1.c (reloads_unique_chain): New.
1224 (reloads_conflict): Call it.
1226 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1228 * config/xtensa/predicates.md (addsubx_operand): New.
1229 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
1230 (xtensa_emit_bit_branch): New.
1231 (xtensa_emit_movcc): New.
1232 * config/xtensa/xtensa.md (any_minmax): New code macro.
1233 (minmax): New code attribute.
1234 (any_cond, any_scc, any_scc_sf): New code macros.
1235 (*addx2, *addx4, *addx8): Delete.
1237 (*subx2, *subx4, *subx8): Delete.
1239 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
1240 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
1241 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
1242 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
1243 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
1244 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
1245 (movsfcc_internal0, movsfcc_internal1): Likewise.
1246 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
1247 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
1248 (xtensa_emit_bit_branch): New.
1249 (xtensa_emit_movcc): New.
1250 (function_arg_boundary): Add missing prototype.
1252 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1254 * config/xtensa/xtensa.md (tstsi): Delete
1256 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1258 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
1260 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1262 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1264 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1266 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
1268 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1270 * tree-vrp.c (execute_vrp): Do not update current_loops.
1271 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
1272 * doc/loop.texi: Remove documentation for cancelled functions.
1273 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
1274 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
1276 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
1277 (remove_path): Ensure that in delete_basic_blocks, the loops
1278 are still allocated.
1279 (add_loop): Work on valid loop structures.
1280 (loopify): Modify call of add_loop.
1281 (mfb_update_loops): Removed.
1282 (create_preheader): Do not update loops explicitly.
1283 (force_single_succ_latches, loop_version): Do not use
1284 loop_split_edge_with.
1285 (loop_split_edge_with): Removed.
1286 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
1287 Do not use bsi_insert_on_edge_immediate_loop.
1288 (split_loop_exit_edge, tree_unroll_loop): Do not use
1289 loop_split_edge_with.
1290 (bsi_insert_on_edge_immediate_loop): Removed.
1291 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
1292 use loop_split_edge_with.
1293 * cfghooks.c: Include cfgloop.h.
1294 (verify_flow_info): Verify that loop_father is filled iff current_loops
1296 (redirect_edge_and_branch_force, split_block, delete_basic_block,
1297 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
1299 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
1301 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
1302 loop_split_edge_with.
1303 (sms_schedule): Use current_loops.
1304 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
1305 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
1307 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
1308 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
1309 * ifcvt.c (if_convert): Ditto.
1310 * predict.c (predict_loops): Do not clear current_loops.
1311 (tree_estimate_probability): Use current_loops.
1312 (propagate_freq): Receive head of the region to propagate instead of
1314 (estimate_loops_at_level): Do not use shared to_visit bitmap.
1315 (estimate_loops): New function. Handle case current_loops == NULL.
1316 (estimate_bb_frequencies): Do not allocate tovisit. Use
1318 * tree-ssa-loop.c (current_loops): Removed.
1319 (tree_loop_optimizer_init): Do not return loops.
1320 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
1321 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
1322 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
1323 Do not update loops explicitly.
1324 * function.h (struct function): Add x_current_loops field.
1325 (current_loops): New macro.
1326 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
1327 * loop-unroll.c (split_edge_and_insert): New function.
1328 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
1329 use loop_split_edge_with.
1330 * loop-doloop.c (add_test, doloop_modify): Ditto.
1331 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
1332 * cfglayout.c (copy_bbs): Do not update loops explicitly.
1333 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
1334 * tree-vect-transform.c (vect_transform_loop): Do not update loops
1336 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
1337 (flow_loops_free): Do not free dfs_order and rc_order.
1338 (flow_loops_find): Do not set dfs_order and rc_order in loops
1339 structure. Do not call loops and flow info verification.
1340 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
1341 already belongs to some loop.
1342 * cfgloop.h (struct loops): Remove struct cfg.
1343 (current_loops, loop_split_edge_with): Declaration removed.
1344 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
1345 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
1346 Declaration removed.
1347 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
1348 * basic-block.h (split_edge_and_insert): Declare.
1349 * tree-cfg.c (remove_bb): Do not update loops explicitly.
1351 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1353 PR tree-optimization/29801
1354 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
1355 (get_default_value): Use get_symbol_constant_value.
1356 (set_lattice_value): ICE when the value of the constant is
1358 (visit_assignment): Ignore VDEFs of read-only variables.
1360 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1362 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
1364 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1365 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
1367 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1369 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
1370 select subvars of var.
1372 2006-11-17 Jakub Jelinek <jakub@redhat.com>
1375 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
1376 optimize if DEF doesn't have integral type.
1378 2006-11-16 Mike Stump <mrs@apple.com>
1380 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
1381 pre-darwin9 system, unless the user asks for it directly.
1382 (PREFERRED_DEBUGGING_TYPE): Likewise.
1383 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
1384 * config.gcc: Add suppport for darwin9.h.
1385 * config/darwin9.h: Add.
1386 * doc/install.texi (Specific): Clarify darwin documentation.
1388 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1390 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
1391 optimizing for size.
1393 2006-11-16 Mike Stump <mrs@apple.com>
1395 * Makefile.in (targhooks.o): Add $(OPTABS_H).
1397 2006-11-16 Dirk Mueller <dmueller@suse.de>
1399 * tree-vrp.c (get_value_range): Use XCNEW instead
1401 (insert_range_assertions): Use XCNEWVEC instead
1402 of XNEWVEC and memset.
1403 (vrp_initialize): Same.
1404 (vrp_finalize): Same.
1405 * tree-ssa-ccp.c (ccp_initialize): Same.
1406 * predict.c (tree_bb_level_predictions): Same.
1407 * calls.c (expand_call): Same.
1408 * tree-ssa-copy.c (init_copy_prop): Same.
1409 (fini_copy_prop): Same.
1410 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
1411 of GGC_NEW and memset.
1413 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
1416 * gimplify.c (gimplify_expr): Only force a load for references to
1417 non-BLKmode volatile values.
1418 * doc/implement-c.texi (Qualifiers implementation): Document the
1419 interpretation of what a volatile access is.
1420 * doc/extend.texi (C++ Extensions): Rework same documentation.
1422 2006-11-16 Joseph Myers <joseph@codesourcery.com>
1424 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
1427 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1429 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
1431 (arm_neg_abssi2): Renamed from neg_abssi2.
1432 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
1434 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
1436 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
1437 number of arguments passed to local functions in SSE registers is 3.
1439 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
1440 number of arguments passed in SSE registers to 3.
1442 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1445 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
1447 (get_last_bb_insn): ... new global function.
1448 (basic_block.h): Declare it.
1449 * haifa-sched.c (create_recovery_block): Use it.
1451 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
1454 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
1456 2006-11-15 Paul Brook <paul@codesourcery.com>
1458 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
1459 _Unwind_GetTextRelBase): Move from here ...
1460 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
1461 _Unwind_GetTextRelBase): ... To here.
1463 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1465 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
1466 addresses we generate for testing are aligned.
1468 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
1471 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
1472 to what is the const decl is a place holder for.
1474 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1476 * config/i386/i386.opt: New target option -mx87regparm.
1478 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
1479 and float_in_x87 variables. mmx_words, sse_words: Remove.
1480 (X87_REGPARM_MAX): Define.
1482 * config/i386/i386.c (override_options): Error out for
1483 -mx87regparm but no 80387 support.
1484 (ix86_attribute_table): Add x87regparm.
1485 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1486 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1487 (ix86_function_x87regparm): New function.
1488 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1490 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1492 (function_arg_advance): Process x87_nregs and x87_regno when
1493 floating point argument is to be passed in 80387 register.
1494 (function_arg): Pass XFmode arguments in 80387 registers for local
1495 functions. Pass SFmode and DFmode arguments to local functions
1496 in 80387 registers when flag_unsafe_math_optimizations is set.
1498 * reg-stack.c (convert_regs_entry): Disable NaN load for
1499 stack registers that are used for argument passing.
1501 * doc/extend.texi: Document x87regparm function attribute.
1502 * doc/invoke.texi: Document -mx87regparm.
1504 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1506 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
1507 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
1508 arg MODE; all callers changed. Use it to determine validity per
1509 machine mode instead of using Pmode for all memory references.
1510 (get_address_cost): Likewise add and use new arg MEM_MODE.
1512 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
1513 J"orn Rennecke <joern.rennecke@st.com>
1515 * combine.c (likely_spilled_retval_1): Fix masking operation.
1516 (likely_spilled_retval_p): Use proper pattern for call to
1517 likely_spilled_retval_1.
1519 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1521 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
1523 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
1524 that tests for CONSTANT_POOL_ADDRESS_P.
1526 2006-11-15 Jakub Jelinek <jakub@redhat.com>
1528 PR tree-optimization/29581
1529 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
1530 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
1531 type is different between Y and USE, create a temporary
1532 variable, initialize it at the beginning of the body bb
1533 and use it as replacement instead of Y.
1535 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
1538 * gimplify.c (fold_indirect_ref_rhs): Use
1539 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
1541 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
1543 * expmed.c (emit_store_flag_1): New function.
1544 (emit_store_flag): Call it. If we can't find a suitable scc insn,
1546 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
1547 Use do_compare_rtx_and_jump.
1548 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
1549 * arm.md (cstoresi4): New define_expand.
1550 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
1551 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
1552 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
1554 2006-11-14 Caroline Tice <ctice@apple.com>
1556 * dwarf2out.c (debug_pubtypes_section): New static global variable.
1557 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
1559 (pubname_table): Redefine as a vector.
1560 (pubtype_table): New static global variable, defined as a vector.
1561 (pubname_table_allocated): Remove static global variable.
1562 (pubname_table_in_use): Remove static global variable.
1563 (PUBNAME_TABLE_INCREMENT): Remove constant.
1564 (size_of_pubnames): Add parameter to deal with either pubnames or
1565 pubtypes, and change code to deal with table being a vector.
1566 (add_pubname): Change to deal with table being a vector.
1567 (add_pubtype): New function.
1568 (output_pubnames): Add parameter to deal with either pubnames or
1569 pubtypes, and change code to deal with table being a vector.
1570 (gen_array_type_die): Add call to add_pubtype.
1571 (gen_enumeration_type_die): Add call to add_pubtype.
1572 (gen_struct_or_union_type_die): Add call to add_pubtype.
1573 (gen_subroutine_type_die): Add call to add_pubtype.
1574 (gen_typedef_die): Add call to add_pubtype.
1575 (dwarf2out_init): Add code to initialize pubname_table and
1576 pubtype_table vectors; also initialize debug_pubtypes_section.
1577 (prune_unused_types): Change to deal with pubnames being a vector.
1578 (dwarf2out_finish): Change to deal with pubnames being a vector; add
1579 pubnames table to call to output_pubnames; Add code to output pubtypes
1580 table if DEBUG_PUBTYPES_SECTION is defined.
1581 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
1583 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
1585 2006-11-14 Joseph Myers <joseph@codesourcery.com>
1587 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
1588 iwmmxt_nregs if TARGET_IWMMXT_ABI.
1589 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
1590 movv2si_internal): Support moves between core registers.
1592 2006-11-14 Eric Christopher <echristo@apple.com>
1594 * configure: Regenerate with autoconf 2.59.
1596 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
1598 Fix PR tree-optimization/27755
1600 * tree-ssa-pre.c: Update comments.
1601 (bb_bitmap_sets): Add pa_in and deferred member.
1602 (BB_DEFERRED): New macro.
1603 (maximal_set): New variable.
1604 (pre_stats): Add pa_insert member.
1605 (bitmap_set_and): Short circuit orig == dest.
1606 (bitmap_set_subtract_values): New function.
1607 (bitmap_set_contains_expr): Ditto.
1608 (translate_vuses_through_block): Add phiblock argument.
1609 (dependent_clean): New function.
1610 (compute_antic_aux): Update for maximal_set changes.
1611 (compute_partial_antic_aux): New function.
1612 (compute_antic): Handle partial anticipation.
1613 (do_partial_partial_insertion): New function.
1614 (insert_aux): Handle partial anticipation.
1615 (add_to_sets): Add to maximal set.
1616 (compute_avail): Ditto.
1617 (init_pre): Initialize maximal_set.
1618 (execute_pre): Do partial anticipation if -O3+.
1620 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
1622 PR rtl-optimization/29798
1624 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
1625 TARGET_INSN before any other check.
1626 (fwprop_init): Always calculate dominators.
1627 (fwprop_done): Always free them.
1629 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1631 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
1634 2006-11-13 DJ Delorie <dj@redhat.com>
1636 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
1637 temporary for intermediates.
1639 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
1641 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
1642 (sh_optimize_target_register_callee_saved): #if 0 the code
1643 using NOTE_INSN_LOOP_{BEG,END}.
1645 2006-11-13 Roger Sayle <roger@eyesopen.com>
1647 * fold-const.c (optimize_bit_field_compare): Recursively call
1648 fold when simplifying non-constant comparisons between bit-fields.
1650 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1652 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
1654 * configure: Rebuilt.
1656 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
1658 * config/rs6000/cell.md: New file.
1659 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
1661 (ppccell_cost): New cost matrix.
1662 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
1663 (rs6000_override_options): Set rs6000_always_hint to false
1664 for cell. Also align functions/lables/loops to 8byte
1665 for the Cell. Use PROCESSOR_CELL.
1666 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
1667 using_mtcr_multiple.
1668 (rs6000_variable_issue): If the insn is a nonpipelined instruction
1669 on the Cell, return 0.
1670 (rs6000_adjust_cost): Add Cell cost adjustments.
1671 (is_microcoded_insn): Return true for Cell microcoded
1673 (is_nonpipeline_insn): New function.
1674 (rs6000_issue_rate): Add PROCESSOR_CELL.
1675 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
1677 (rs6000_use_sched_lookahead_guard): New function.
1678 (rs6000_sched_reorder): Reorder the ready list, if the second
1679 to last ready insn is a nonepipeline insn on the Cell.
1680 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
1681 (ASM_CPU_SPEC): Add Cell.
1682 * config/rs6000/rs6000.md (cpu): Add Cell.
1683 (cell_micro): New Attr.
1686 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1688 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
1690 * configure: Rebuilt.
1692 2006-11-13 Richard Guenther <rguenther@suse.de>
1694 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
1696 (ix86_expand_lfloorceil): Likewise.
1697 (ix86_expand_rint): Likewise.
1698 (ix86_expand_floorceildf_32): Likewise.
1699 (ix86_expand_floorceil): Likewise.
1700 (ix86_expand_rounddf_32): Likewise.
1701 (ix86_expand_truncdf_32): Likewise.
1702 (ix86_expand_round): Likewise.
1704 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
1705 Mark Mitchell <mark@codesourcery.com>
1707 * gcc.c: Organize search path variables into $prefix relative,
1708 and well-known native. Add comments.
1709 (add_sysrooted_prefix): Add comment.
1710 (process_command): If !gcc_exec_prefix add $prefix based paths.
1711 If *cross_compile == '0', add native well-known paths.
1712 Assert tooldir_base_prefix is always relative.
1713 (main): If print_search_dirs, and if gcc_exec_prefix is set,
1714 use this value for 'install:' path.
1715 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
1717 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1719 * config/i386/i386.c: Fix a typo in comment.
1721 2006-11-13 Michael Matz <matz@suse.de>
1723 * genemit.c (gen_expand): Allocate enough memory.
1725 2006-11-13 Joseph Myers <joseph@codesourcery.com>
1727 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
1728 __GXX_TYPEINFO_EQUALITY_INLINE but not
1729 __GXX_MERGED_TYPEINFO_NAMES.
1730 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
1731 __GXX_MERGED_TYPEINFO_NAMES.
1732 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
1733 __GXX_TYPEINFO_EQUALITY_INLINE.
1735 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1736 Zdenek Dvorak <dvorakz@suse.cz>
1738 PR tree-optimization/29680
1739 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
1742 2006-11-12 Jason Merrill <jason@redhat.com>
1743 Andrew Pinski <pinskia@physics.uc.edu>
1746 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
1748 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
1750 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
1751 * tree.c (build_vector): Handle non-_CST elements.
1753 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
1755 * genemit.c (gen_insn): Call gen_exp with a non-null used
1756 when handling multiple insns.
1757 (gen_expand): Likewise.
1758 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
1759 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
1760 (movsi_const_16bit+1): Copy operands[1].
1761 (call_pcrel): Copy the call_site pattern.
1762 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
1764 2006-11-12 Roger Sayle <roger@eyesopen.com>
1766 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
1767 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
1768 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
1769 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
1771 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
1773 Fix PR tree-optimization/29587
1774 * tree-ssa-structalias.c (process_constraint): Don't
1775 mark address taken due only to escaped vars constraint.
1777 2006-11-12 Michael Matz <matz@suse.de>
1778 Roger Sayle <roger@eyesopen.com>
1780 PR rtl-optimization/29797
1781 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
1782 BITS_BIG_ENDIAN targets.
1784 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1786 * builtins.c (fold_builtin_cosh): New.
1787 (fold_builtin_1): Use it.
1788 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
1789 trunc to the list of "odd" functions. Also add llrint, lrint,
1790 rint and nearbyint when flag_rounding_math is false.
1792 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1794 * tree-flow.h (name_mappings_registered_p): Declare.
1795 * tree-into-ssa.c (name_mappings_registered_p): New function.
1796 * tree-cfg.c (tree_can_merge_blocks_p): Check
1797 name_mappings_registered_p instead of need_ssa_update_p.
1799 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1801 * tree-ssa-loop.c (tree_vectorize): Return the result of
1803 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
1804 if anything changed.
1805 * tree-vectorizer.h (vectorize_loops): Declaration removed.
1806 * tree-flow.h (vectorize_loops): Declaration changed.
1808 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1810 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
1812 (issue_prefetch_ref): Move assignment to write_p out of loop.
1813 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
1814 SIMULTANEOUS_PREFETCHES into account.
1815 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
1816 * lambda-code.c (lcm): Renamed to ...
1817 (least_common_multiple): ... and exported.
1818 * tree-flow.h (least_common_multiple): Declare.
1820 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1822 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
1823 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
1824 ud-chains. Handle AND_EXPR.
1825 (record_estimate): Record whether the estimate is realistic
1826 and whether it is derived from a loop exit.
1827 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
1828 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
1830 (compute_estimated_nb_iterations): Take only realistic bounds into
1831 account. Set estimate_state. Use double_ints.
1832 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
1833 and infer_loop_bounds_from_signedness. Do not consider basic blocks
1834 that do not have to be always executed.
1835 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
1836 to determine whether to call infer_loop_bounds_from_undefined
1837 and compute_estimated_nb_iterations.
1838 (n_of_executions_at_most): Use double_ints.
1839 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
1840 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
1841 * double-int.c (double_int_to_tree): Improve comment.
1842 (double_int_fits_to_tree_p): New function.
1843 * double-int.h (double_int_fits_to_tree_p): Declare.
1844 * tree-data-ref.c: Include langhooks.h.
1845 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
1846 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
1847 (analyze_array): Do not pass estimate_only argument to
1848 analyze_array_indexes.
1849 (get_number_of_iters_for_loop): Build tree from the stored double_int
1851 (get_references_in_stmt, find_data_references_in_stmt): New functions.
1852 (find_data_references_in_loop): Use find_data_references_in_stmt.
1853 * tree-data-ref.h (struct data_ref_loc_d): New.
1854 (get_references_in_stmt): Declare.
1855 (estimate_iters_using_array): Declaration removed.
1856 * cfgloop.h (struct nb_iter_bound): Change type of bound to
1857 double_int. Improve comments. Add is_exit and realistic
1859 (struct loop): Changed type of estimated_nb_iterations to double_int.
1860 Added estimate_state field.
1861 (record_estimate): Declaration removed.
1863 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1865 * params.c (set_param_value): Initialize the "set" field.
1866 * params.h (struct param_info): Add "set" field.
1867 (PARAM_SET_P): New macro.
1868 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
1869 L1_CACHE_LINE_SIZE): New macros.
1870 * toplev.c (DEFPARAM): Initialize the "set" field.
1871 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
1872 SIMULTANEOUS_PREFETCHES): Removed.
1873 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
1874 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
1875 * config/sparc/sparc.c: Include params.h.
1876 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
1877 L1_CACHE_LINE_SIZE parameters.
1878 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1880 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1882 * config/i386/i386.c: Include params.h.
1883 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
1884 (override_options): Set SIMULTANEOUS_PREFETCHES and
1885 L1_CACHE_LINE_SIZE parameters.
1886 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
1887 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
1888 L1_CACHE_LINE_SIZE parameters.
1889 * config/ia64/ia64.c (ia64_optimization_options): Set
1890 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
1891 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
1893 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
1894 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
1895 * doc/invoke.texi: Document new params.
1897 2006-11-12 Roger Sayle <roger@eyesopen.com>
1899 PR tree-optimization/13827
1900 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
1903 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1905 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
1906 update_single_exit_for_duplicated_loops): New functions.
1907 (duplicate_loop_to_header_edge): Use
1908 update_single_exit_for_duplicated_loops.
1909 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
1910 functions only with ENABLE_CHECKING.
1912 2006-11-12 Andreas Schwab <schwab@suse.de>
1914 * except.c (sjlj_emit_function_enter): Remove unused variable.
1916 2006-11-11 Roger Sayle <roger@eyesopen.com>
1918 * fold-const.c (int_binop_types_match_p): New function.
1919 (size_binop): Relax constraint that both arguments must both have
1920 exactly the same sizetype type. Instead use int_binop_types_match_p.
1921 (size_diffop): Likewise.
1923 (make_range): Use build_int_cst instead of fold_convert.
1924 (fold_cond_expr_with_comparison): Use build_int_cst to construct
1925 integer constants of the correct type.
1926 (fold_div_compare): Likewise.
1927 (fold_single_bit_test): Likewise.
1928 (fold_binary): Likewise.
1929 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
1930 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
1932 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1935 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
1936 non null value if the struct memory access is in the 0th
1939 2006-11-12 Jie Zhang <jie.zhang@analog.com>
1942 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1943 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1946 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
1947 instead of builtin_define for bfin and BFIN.
1949 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1951 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1954 2006-11-11 Jan Hubicka <jh@suse.cz>
1956 * extend.texi (__builtin_expect): We no longer require second argument
1958 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
1959 * builtins.c (expand_builtin_expect): Simplify.
1960 (expand_builtin_expect_jump): Kill.
1961 * final.c (final_scan_insn): Do not skip the removed notes.
1962 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
1963 EXPECTED_VALUE): Remove.
1964 * dojump.c (do_jump): Do not care about __builtin_expect.
1965 * predict.c (expected_value_to_br_prob): Kill.
1966 * function.c (expand_function_end): Do not expand
1967 NOTE_INSN_REPEATED_LINE_NUMBER.
1968 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
1969 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
1970 * cfgexpand.c (add_reg_br_prob_note): Export.
1971 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1972 expected_value_to_br_prob.
1973 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
1974 * rtl.h (add_reg_br_prob_note): Declare.
1976 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1978 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
1980 2006-11-11 Jan Hubicka <jh@suse.cz>
1982 * predict.c (predict_loops): Kill RTL variant.
1984 2006-11-11 Jan Hubicka <jh@suse.cz>
1986 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
1987 * modulo-sched.c (find_line_note): Remove.
1988 (loop_canon_p): Do not worry about line number notes.
1989 (sms_schedule): Likewise.
1990 * cse.c (cse_main): Likewise.
1991 * regmove.c (fixup_match_1): Likewise
1992 * function.c (emit_return_info_block): Likewise.
1993 (expand_function_end): Likewise.
1994 (thread_prologue_an_epilogue_insns): Likewise.
1995 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
1997 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
1998 emit_note_copy_after): Kill.
1999 (emit_note_copy): Do not worry about line numbers.
2000 * jump.c (purge_line_number_notes): Kill.
2001 (pass_purge_lineno_notes): Kill.
2002 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
2004 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
2005 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
2006 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
2007 * tree-pass.h (pass_purge_lineno_notes): Kill.
2008 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
2009 rm_redundant_line_notes.
2010 * sched-rgb.c (schedule_region): Don't rm_line_notes,
2011 rm_redundant_line_notes.
2012 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
2013 * haifa-sched.c: Update comment about handling notes.
2014 (unlink_line_notes): Kill.
2015 (rm_line_notes): Kill.
2016 (save_line_notes): Simplify.
2017 (rm_redundant_line_notes): Kill.
2019 2006-11-11 Richard Guenther <rguenther@suse.de>
2021 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
2022 Remove unused tree codes.
2023 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
2024 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
2025 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2026 * tree.c (stabilize_reference): Likewise.
2027 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
2028 fold_unary): Likewise.
2029 * tree-gimple.c (is_gimple_cast): Likewise.
2030 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
2031 * expr.c (expand_expr_real_1): Likewise.
2032 * tree-eh.c (tree_could_trap_p): Likewise.
2033 * gimplify.c (gimplify_expr): Likewise.
2034 * tree-inline.c (estimate_num_insns_1): Likewise.
2035 * tree-cfg.c (verify_expr): Likewise.
2037 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
2039 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
2040 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
2041 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
2043 2006-11-11 Richard Sandiford <richard@codesourcery.com>
2046 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
2047 constraints accept neither registers or memories.
2049 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2051 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
2052 (NO_PROFILE_COUNTERS): Define as 1.
2054 2006-11-10 Roger Sayle <roger@eyesopen.com>
2056 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
2057 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
2059 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
2061 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
2063 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2065 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
2066 (fold_builtin_hypot): Likewise.
2067 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
2069 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
2071 2006-11-10 Roger Sayle <roger@eyesopen.com>
2073 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
2074 when attempting to build INTEGER_CSTs of non-integral types.
2075 * expmed.c (make_tree): Use the correct type, i.e. the inner
2076 type, when constructing the individual elements of a CONST_VECTOR.
2078 2006-11-10 Jan Hubicka <jh@suse.cz>
2080 * cse.c (cse_process_notes): Copy the propagated value.
2081 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
2083 * gcse.c (try_replace_reg): Copy the replacement.
2084 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
2085 (assign_386_stack_local): Always return copied memory expression
2086 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
2089 2006-11-10 Jan Hubicka <jh@suse.cz>
2091 * final.c (final): Walk from first instruction.
2092 * cfglayout.c (insn_locators_initialize): Remove line number notes.
2094 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
2097 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
2099 (umulv8hi3_highpart): Ditto.
2100 (vec_widen_smult_hi_v8hi): New expander.
2101 (vec_widen_smult_lo_v8hi): Ditto.
2103 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2106 * builtins.c (do_mpfr_arg3): New.
2107 (fold_builtin_1): Handle builtins fma, fmin and fmax.
2109 2006-11-09 Eric Christopher <echristo@apple.com>
2114 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
2115 * config.gcc (powerpc64-*-darwin*): New target.
2116 * config.host: Ditto.
2117 * config/rs6000/darwin64.h: New file.
2118 * config/rs6000/x-darwin64: Ditto.
2119 * config/rs6000/host-ppc64-darwin.c: Ditto.
2121 2006-11-09 Steve Ellcey <sje@cup.hp.com>
2123 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
2124 routines for integer division.
2126 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
2128 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
2130 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
2133 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
2135 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
2137 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
2138 simplify_subreg with BLKmode outer mode.
2140 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
2142 * doc/invoke.texi: Minor formatting fixes in option lists.
2144 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
2146 PR tree-optimization/29738
2147 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
2148 (ccp_lattice_t): Remove UNKNOWN_VAL.
2149 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
2150 Do not handle UNKNOWN_VAL.
2151 (get_default_value): Set initial value of virtual operands to
2153 (get_value): Always use get_default_value on uninitialized
2155 (set_value_varying, surely_varying_stmt_p): New functions.
2156 (set_lattice_value): Do not pass argument to get_value.
2157 Do not handle UNKNOWN_VAL.
2158 (likely_value): Follow the semantics described in the comment.
2159 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
2160 phi nodes DONT_SIMULATE_AGAIN.
2161 (ccp_fold): Do not pass argument to get_value.
2162 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
2165 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
2167 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2168 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
2170 2006-11-08 Roger Sayle <roger@eyesopen.com>
2172 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
2173 test for inclusion rather than as a test for exclusion.
2174 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
2175 the condition after calling fold_binary.
2176 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
2177 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
2178 * builtins.c (fold_builtin_isascii): Likewise.
2179 (fold_builtin_isdigit): Likewise.
2181 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
2183 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
2184 * configure: Regenerate.
2186 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2188 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
2189 enum argument instead of bool.
2190 (vect_analyze_operations): Call vectorizable_type_promotion.
2191 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
2192 stmt_vec_info_type value.
2193 (supportable_widening_operation, vectorizable_type_promotion): New
2194 function declarations.
2195 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
2196 (vectorizable_type_promotion): New function.
2197 (vect_transform_stmt): Call vectorizable_type_promotion.
2198 * tree-vect-analyze.c (supportable_widening_operation): New function.
2199 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
2201 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2204 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
2205 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
2206 * tree-inline.c (estimate_num_insns_1): Add cases for above new
2208 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2209 * expr.c (expand_expr_real_1): Likewise.
2210 * optabs.c (optab_for_tree_code): Likewise.
2211 (init_optabs): Initialize new optabs.
2212 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
2213 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
2214 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
2215 vec_unpacku_lo_optab): Initialize new optabs.
2216 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
2217 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
2218 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
2220 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
2221 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
2222 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
2223 (vec_unpacku_lo_optab): New optabs.
2224 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
2225 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
2226 (vec_widen_smult_hi, vec_widen_smult_lo): New.
2227 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
2228 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
2229 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
2231 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
2232 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
2233 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
2234 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
2235 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
2236 implement the unsigned unpacking patterns.
2237 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
2238 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
2239 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
2240 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
2241 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
2242 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
2243 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
2244 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
2245 multiplication patterns.
2247 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
2248 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
2249 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2250 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
2251 (rs6000_builtin_mul_widen_odd): New.
2252 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
2253 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
2254 * tree-vectorizer.h (enum vect_relevant): New enum type.
2255 (_stmt_vec_info): Field relevant chaned from bool to enum
2257 (STMT_VINFO_RELEVANT_P): Updated.
2258 (STMT_VINFO_RELEVANT): New.
2259 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
2260 instead of STMT_VINFO_RELEVANT_P.
2261 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
2262 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
2263 and boolean variable with enum vect_relevant.
2264 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
2265 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
2266 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2268 2006-11-08 Richard Henderson <rth@redhat.com>
2270 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
2271 vec_widen_umult_lo_v8hi): New.
2272 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
2273 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
2275 * config/i386/i386.c (ix86_expand_sse_unpack): New.
2276 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
2277 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
2278 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
2279 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
2280 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
2281 vec_unpacks_lo_v4si): New.
2283 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2285 * tree-vect-transform.c (vectorizable_type_demotion): New function.
2286 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
2287 (vect_analyze_operations): Call vectorizable_type_demotion.
2288 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
2289 stmt_vec_info_type value.
2290 (vectorizable_type_demotion): New function declaration.
2291 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2294 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
2295 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
2297 * tree-iniline.c (estimate_num_insns_1): Likewise.
2298 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2299 * optabs.c (optab_for_tree_code): Likewise.
2301 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
2302 compared against the predicate of the result is not 'mode' (the input
2303 to the function) but a mode with half the size of 'mode'.
2304 (init_optab): Initialize new optabs.
2305 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
2307 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
2309 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
2310 (vec_pack_usat_optab): Initialize new optabs.
2311 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
2312 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
2314 2006-11-08 Richard Henderson <rth@redehat.com>
2316 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
2317 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
2318 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
2319 (vec_interleave_highv4si, vec_interleave_lowv4si):
2320 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
2322 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2324 * tree-vect-transform.c (vectorizable_reduction): Support multiple
2326 (vect_transform_stmt): Removed redundant code.
2328 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2330 * tree-vect-transform.c (vectorizable_operation): Support multiple
2333 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2335 * tree-vect-transform.c (vect_align_data_ref): Removed.
2336 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
2337 Updated function documentation. Return the increment stmt in ptr_incr.
2338 (bump_vector_ptr): New function.
2339 (vect_get_vec_def_for_stmt_copy): New function.
2340 (vect_finish_stmt_generation): Create a stmt_info to newly created
2342 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
2344 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
2345 VF is greater than the number of elements that can fit in one vector
2347 (vectorizable_operation, vectorizable_condition): Likewise.
2348 (vectorizable_store, vectorizable_load): Support the case that the VF
2349 is greater than the number of elements that can fit in one vector word.
2350 (vect_transform_loop): Don't fail in case of multiple data-types.
2351 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
2352 in case of multiple data-types; the smallest type determines the VF.
2353 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
2354 if they are of different sizes.
2355 (vect_update_misalignment_for_peel): Compare misalignments in terms of
2356 number of elements rather than number of bytes.
2357 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
2358 (vect_can_advance_ivs_p): Fix a dump printout
2360 2006-11-07 Eric Christopher <echristo@apple.com>
2362 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
2363 (__bswapsi2): Ditto.
2364 * libgcc2.h: Remove transformation of bswap routines.
2365 * config/i386/i386.md (bswapsi2): New.
2368 2006-11-07 Jakub Jelinek <jakub@redhat.com>
2370 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
2371 (handle_gnu_inline_attribute): New function.
2372 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
2373 (merge_decls, start_decl, start_function): Likewise.
2374 * doc/extend.texi: Document gnu_inline attribute.
2376 2006-11-07 Steve Ellcey <sje@cup.hp.com>
2379 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
2380 _fixunstfdi, and _floatditf
2382 2006-11-06 Anatoly Sokolov <aesok@post.ru>
2384 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
2386 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
2387 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
2388 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
2389 which start in an odd register.
2391 2006-11-07 Richard Sandiford <richard@codesourcery.com>
2393 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
2395 2006-11-07 Josh Conner <jconner@apple.com>
2397 * doc/invoke.texi (fstrict-aliasing): Move implementation
2399 * doc/tree-ssa.texi (Alias analysis): ...here.
2401 2006-11-07 Richard Guenther <rguenther@suse.de>
2403 PR tree-optimization/29610
2404 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
2405 of tree_purge_dead_eh_edges as it may free dominators.
2407 * g++.dg/other/pr29610.C: New testcase.
2409 2006-11-07 David Ung <davidu@mips.com>
2411 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
2412 costs when optimizing for size.
2413 (override_options): Use mips_rtx_cost_optimize_size table for cost
2416 2006-11-07 Jie Zhang <jie.zhang@analog.com>
2418 * gcc.c (process_command): Treat -b as normal switch if its argument
2421 2006-11-07 David Ung <davidu@mips.com>
2423 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
2426 2006-11-06 Eric Christopher <echristo@apple.com>
2428 * config.gcc: Add x86_64-darwin host support.
2429 * config.host: Ditto.
2430 * config/i386/darwin64.h: New file.
2431 * config/i386/t-darwin64: Ditto.
2433 2006-11-06 Janis Johnson <janis187@us.ibm.com>
2435 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
2436 and output-exists-not.
2438 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2441 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
2442 checking for overflow.
2444 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
2446 * configure.ac: Fixed typo in case statement: :: changed to ;;
2448 2006-11-06 Bob Wilson <bob.wilson@acm.org>
2450 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
2451 count_leading_zeros, and count_trailing_zeros.
2452 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
2453 (TARGET_FOLD_BUILTIN): Define.
2454 (TARGET_EXPAND_BUILTIN): Define.
2455 (xtensa_init_builtins): New.
2456 (xtensa_fold_builtin): New.
2457 (xtensa_expand_builtin): New.
2458 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
2459 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
2460 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
2461 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
2462 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
2463 (any_extend): New code macro.
2464 (u, su): New code attributes.
2465 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
2466 (nsau): Remove; replaced by clzsi2.
2467 (ffssi2): Use clzsi2.
2468 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
2469 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
2470 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
2471 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
2472 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
2474 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
2476 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
2478 * config/arm/t-strongarm-elf: Likewise.
2479 * config/arm/t-pe: Likewise.
2480 * config/arm/t-arm-elf: Likewise.
2481 * config/arm/t-xscale-elf: Likewise.
2482 * config/arm/t-arm-coff: Likewise.
2483 * config/arm/t-xscale-coff: Likewise.
2484 * config/arm/t-wince-pe: Likewise.
2486 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
2488 * config/sh/lib1funcs-4-300.asm: Guard entire file with
2491 2006-11-05 Jakub Jelinek <jakub@redhat.com>
2494 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
2497 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2500 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
2501 as a valid 80387 constant.
2502 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
2503 * config/i386/i386.md (unnamed splitter): Split the load of
2504 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
2507 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
2509 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
2510 from the soft-frame, argument and virtual registers.
2512 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2514 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
2515 patterns for standard 80387 constants.
2517 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
2518 Steven Bosscher <steven@gcc.gnu.org>
2520 * fwprop.c: New file.
2521 * Makefile.in: Add fwprop.o.
2522 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
2523 * passes.c (init_optimization_passes): Schedule forward propagation.
2524 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
2526 * timevar.def (TV_FWPROP): New.
2527 * common.opt (-fforward-propagate): New.
2528 * opts.c (decode_options): Enable forward propagation at -O2.
2529 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
2530 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
2531 canon_for_address, table_size): Remove.
2532 (new_basic_block, insert, remove_from_table): Remove references to
2534 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
2535 simplification loop more straightforward by not calling fold_rtx
2537 (equiv_constant): Move here a small part of fold_rtx_subreg,
2538 do not call fold_rtx. Call avoid_constant_pool_reference
2540 * recog.h (canonicalize_change_group): New.
2542 * doc/invoke.texi (Optimization Options): Document fwprop.
2543 * doc/passes.texi (RTL passes): Document fwprop.
2545 2006-11-03 Geoffrey Keating <geoffk@apple.com>
2547 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
2548 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
2549 (grokdeclarator): Likewise.
2551 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
2553 * tree-dump.c (dump_enable_all): Rename local variable
2554 ir_type to avoid name conflicts.
2555 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
2556 instead of using ir_type().
2557 * profile.c (tree_register_profile_hooks): Likewise.
2558 * value-prof.c (tree_register_value_prof_hooks): Likewise.
2559 * basic-block.h (struct edge_def): Likewise.
2560 * config/arm/arm.c (legitimize_pic_address): Likewise.
2561 * coretypes.h (ir_type): New enum of all intermediate languages
2563 * cfghooks.c (ir_type): Rename to...
2564 (current_ir_type): ...this. Distinguish between cfgrtl and
2565 cfglayout mode when the current IR is RTL. Return enum ir_type.
2566 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
2568 2006-11-03 Paul Brook <paul@codesourcery.com>
2570 * config/arm/arm.c (arm_file_start): New function.
2571 (TARGET_ASM_FILE_START): Define.
2572 (arm_default_cpu): New variable.
2573 (arm_override_options): Set arm_default_cpu.
2575 2006-11-03 David Ung <davidu@mips.com>
2577 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
2578 PROCESSOR_24KC and PROCESSOR_24KF.
2579 * config/mips/mips.c (mips_cpu_info_table): Add processor names
2580 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
2581 (mips_rtx_cost_data): Add costs for the 24kc.
2582 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
2583 * config/mips/24k.md: Remove references to 24k and replace with
2584 uses of 24kc/24kf in the appropriate reservations.
2585 * doc/invoke.texi (MIPS Options): Updated.
2587 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2589 * config/sh/crt1.asm: Fix #ifdef indent.
2591 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2592 Merged from STMicroelectronics sources:
2593 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
2594 * config/sh/crt1.asm (vbr_600): Add missing #if.
2595 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
2596 * sh.opt (mfused-madd): New option.
2597 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
2598 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2599 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
2600 Remove pointless handler at VBR+0.
2601 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
2602 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
2603 fr7. Make sure the timer handler is called with the correct FPU
2604 precision setting, according to the ABI.
2605 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
2606 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
2607 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
2608 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
2609 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
2610 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
2611 zero as second operand.
2612 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
2613 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2614 Fixed some bugs related to negative values, in particular -0
2615 and overflow at -0x80000000.
2616 * config/sh/divcost-analysis: Added sh4-300 figures.
2617 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
2618 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
2619 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
2620 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
2621 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
2622 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2624 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
2626 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
2627 SH4-300 scheduling description & fixes to SH4-[12]00 description:
2628 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
2629 mac_mem, mem_mac, dfp_mul, fp_cmp.
2630 (insn_class, dfp_comp, any_fp_comp): Update.
2631 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
2632 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
2633 (muldf3_i): Likewise.
2634 (movsi_i): Split rI08 alternative into two separate alternatives.
2636 (movsi_ie, movsi_i_lowpart): Likewise.
2637 (movqi_i): Split ri alternative into two separate alternatives.
2639 * sh1.md (sh1_load_store, sh1_fp): Update.
2640 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
2641 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
2642 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
2643 (sh4a_fp_double_arith): Likewise.
2644 * sh4-300.md: New file.
2645 * sh.c (sh_handle_option): Handle m4-300* options.
2646 (sh_adjust_cost): Fix latency of auto-increments.
2647 Handle SH4-300 differently than other SH4s. Check for new insn types.
2648 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
2649 been set by an option.
2650 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
2651 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
2652 (mbranch-cost=): Likewise.
2653 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
2655 * sh.md (mulsf3): Remove special expansion code.
2656 (mulsf3_ie): Now a define_insn_and_split.
2657 (macsf3): Allow for TARGET_SH4.
2659 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
2660 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
2661 (expand_cbranchdi4): Likewise.
2662 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
2663 CONST_DOUBLE if the outer code is COMPARE.
2664 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
2665 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
2666 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
2667 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
2668 Remove redundant fp_{zero,one}_operand checks.
2669 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
2670 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
2671 (expand_cbranchdi4): Likewise.
2672 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
2673 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
2675 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
2677 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
2680 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
2682 * doc/invoke.texi: Fix mfp-trap-mode typo.
2684 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
2686 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
2687 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
2688 file_end_indicate_exec_stack.
2689 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
2691 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
2692 for a non-executable stack.
2693 * crti.asm: Likewise.
2694 * crtn.asm: Likewise.
2695 * libunwind.S: Likewise.
2697 2006-11-02 Ben Elliston <bje@au.ibm.com>
2699 * tree-ssa.c (warn_uninit): Use expand_location variables for
2700 locus and declaration locus.
2702 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
2705 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
2706 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
2707 cmp{eq,gt,gtu}{si,di}_media.
2708 (*cmpne0si_media): Remove.
2709 (*movsicc_umin): Adjust gen_cmp*_media call.
2710 (unordered): Change the mode of unordered and operands[1] to
2712 (seq): Adjust gen_cmp*_media calls. Make the mode of
2713 a temporary result of compare SImode if needed. If the mode
2714 of operands[0] is DImode, extend the temporary result to DImode.
2715 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
2716 (sunorderd): Change the mode of match_operand and unorderd to
2718 (cmpeq{sf,df}_media): Remove.
2719 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
2720 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
2721 and compare operation to SImode.
2723 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
2725 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
2727 (sparc64-sun-solaris2*): Likewise.
2729 2006-11-02 Paul Brook <paul@codesourcery.com>
2731 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
2732 from priority argument. Use different section for non-default
2734 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
2736 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
2739 * except.c (switch_to_exception_section): Do not cache the section
2740 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2741 and flag_function_sections is set.
2743 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2746 * builtins.c (do_mpfr_sincos): New.
2747 (fold_builtin_1): Use it to fold builtin sincos.
2749 2006-11-01 Roger Sayle <roger@eyesopen.com>
2751 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
2752 it into -D_REENTRANT.
2754 2006-11-01 Roger Sayle <roger@eyesopen.com>
2756 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
2757 whether the assembler supports taking the difference of symbols in
2758 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
2759 * configure: Regenerate.
2760 * config.in: Regenerate.
2761 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
2762 the assembler doesn't support taking the difference of symbols in
2763 different sections, i.e. we're using the native solaris assembler.
2765 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
2766 Peter Bergner <bergner@vnet.ibm.com>
2768 * doc/invoke.texi: Add cpu_type power6x
2769 (RS/6000 and PowerPC Options): Add -mmfpgpr.
2770 * config.gcc: Add cpu_type power6x.
2771 * configure.ac: Add test for mf{t,f}gpr instructions.
2772 (HAVE_AS_MFPGPR): New.
2773 * config.in: Regenerate.
2774 * configure: Regenerate.
2775 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
2776 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
2777 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
2778 and mftgpr attributes.
2779 (define_attr "cpu"): Add power6.
2780 Change instruction sequences to use new attributes.
2781 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
2782 (fix_truncdfsi2_mfpgpr): New.
2783 (floatsidf_ppc64_mfpgpr): New.
2784 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
2785 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
2786 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
2787 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
2788 (fix_truncdfsi2): Use gpc_reg_operand constraint.
2789 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
2790 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
2791 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
2792 cntlz,exts and var_delayed_compare.
2793 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2794 _ARCH_PWR6X, if features enabled.
2795 * config/rs6000/rs6000.opt (mmfpgpr): New.
2796 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
2797 (cached_can_issue_more): New variable.
2798 (processor_costs): Add power6_cost.
2799 (rs6000_sched_init): New function.
2800 (is_dispatch_slot_restricted): Deleted.
2801 (set_to_load_agen): New function.
2802 (is_load_insn,is_store_insn): New functions.
2803 (adjacent_mem_locations): New function.
2804 (insn_must_be_first_in_group): New function.
2805 (insn_must_be_last_in_group): New function.
2806 (rs6000_sched_reorder): New function.
2807 (rs6000_sched_reorder2): New function.
2808 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
2809 TARGET_SCHED_REORDER2): Define.
2810 (processor_target_table): Use PROCESSOR_POWER6 for power6.
2811 Add power6x. Add MASK_MFPGPR for power6x.
2812 (POWERPC_MASKS): Add MASK_MFPGPR.
2813 (rs6000_override_options): Set rs6000_always_hint to false
2814 for power6. Set rs6000_align_branch_targets. Replace
2815 rs6000_sched_groups check with rs6000_align_branch_targets.
2816 Use PROCESSOR_POWER6.
2817 (last_scheduled_insn): New variable.
2818 (load_store_pendulum): New variable.
2819 (rs6000_variable_issue): Set last_scheduled_insn and
2820 cached_can_issue_more.
2821 (rs6000_adjust_cost): Add power6 cost adjustments.
2822 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
2823 with insn_must_be_first_in_group. Add power6 priority adjustments.
2824 (rs6000_issue_rate): Add CPU_POWER6.
2825 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
2826 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
2827 (TARGET_MFPGPR): New.
2828 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
2829 (ASM_CPU_SPEC): Add power6x.
2830 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
2832 * config/rs6000/power6.md: New file.
2834 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
2836 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2837 HOST_WIDE_INT_PRINT to print high and low parts. Use
2838 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
2839 printing a hexadecimal number prefix it with 0x.
2841 2006-11-01 Chris Johns <chris@contemporary.net.au>
2844 * Makefile.in (install-driver): Use exeext when installing
2845 $target-gcc-$version.
2847 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
2849 * c-common.c (flag_cpp0x): New.
2850 * c-common.h (flag_cpp0x): New.
2851 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
2852 supported, define __GXX_EXPERIMENTAL_CPP0X__.
2853 * c-opts.c (set_std_cxx0x): New.
2854 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
2855 * c.opt (std=c++0x): Document.
2856 (std=gnu++0x): Ditto.
2857 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
2858 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
2860 2006-11-01 Richard Guenther <rguenther@suse.de>
2862 * config/i386/i386.c (ix86_expand_rint): Fix issues with
2864 (ix86_expand_floorceildf_32): Likewise.
2865 (ix86_expand_floorceil): Likewise.
2866 (ix86_expand_trunc): Likewise.
2868 2006-10-31 Andrew Pinski <pinskia@gmail.com>
2870 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
2873 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
2875 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
2877 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
2879 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
2881 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
2882 * configure.ac (use_cxa_atexit): As a special case, don't test
2883 for libc definition of __cxa_atexit on mingw32
2884 * configure: Regenerate.
2885 * config.gcc (i[34567]86-pc-mingw32): Default to
2886 enable__cxa_atexit=yes.
2888 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2890 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
2892 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2895 * c-decl.c (start_struct): Don't create self-containing
2897 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2899 * config/rs6000/rs6000-protos.h
2900 (darwin_rs6000_special_round_type_align): New.
2901 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
2902 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
2904 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2906 * toplev.c (compile_file): Call final_write_globals
2907 even if there have been errors.
2909 2006-10-31 Eric Christopher <echristo@apple.com>
2910 Falk Hueffner <falk@debian.org>
2912 * doc/extend.texi (__builtin_bswap32): Document.
2913 (__builtin_bswap64): Ditto.
2914 * doc/libgcc.texi (bswapsi2): Document.
2916 * doc/rtl.texi (bswap): Document.
2917 * optabs.c (expand_unop): Don't widen a bswap.
2918 (init_optabs): Init bswap. Set libfuncs explicitly
2919 for bswapsi2 and bswapdi2.
2920 * optabs.h (OTI_bswap): New.
2921 (bswap_optab): Ditto.
2922 * genopinit.c (optabs): Handle bswap_optab.
2923 * tree.h (tree_index): Add TI_UINT32_TYPE and
2925 (uint32_type_node): New.
2926 (uint64_type_node): Ditto.
2927 * tree.c (build_common_tree_nodes_2): Initialize
2928 uint32_type_node and uint64_type_node.
2929 * builtins.c (expand_builtin_bswap): New.
2930 (expand_builtin): Call.
2931 (fold_builtin_bswap): New.
2932 (fold_builtin_1): Call.
2933 * fold-const.c (tree_expr_nonnegative_p): Return true
2935 * builtin-types.def (BT_UINT32): New.
2937 (BT_FN_UINT32_UINT32): Ditto.
2938 (BT_FN_UINT64_UINT64): Ditto.
2939 * builtins.def (BUILT_IN_BSWAP32): New.
2940 (BUILT_IN_BSWAP64): Ditto.
2941 * rtl.def (BSWAP): New.
2942 * genattrtab.c (check_attr_value): New.
2943 * libgcc2.c (__bswapSI2): New.
2944 (__bswapDI2): Ditto.
2945 * libgcc2.h (__bswapSI2): Declare.
2946 (__bswapDI2): Ditto.
2947 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
2948 * simplify-rtx.c (simplify_const_unary_operation): Return
2950 * libgcc-std.ver (__bwapsi2): Add.
2951 (__bswapdi2): Ditto.
2952 * reload1.c (eliminate_regs_1): Add bswap.
2953 (elimination_effects): Ditto.
2954 * config/i386/i386.h (x86_bswap): New.
2955 (TARGET_BSWAP): Use.
2956 * config/i386/i386.c (x86_bswap): Set.
2958 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2960 * coverage.c (coverage_checksum_string): Update comment.
2961 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
2962 of get_file_function_name.
2963 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
2964 of get_file_function_name_long.
2965 * tree.c (get_file_function_name): Rename from
2966 get_file_function_name_long; improve comment; handle 'I' and 'D'
2967 specially when the target has ctor/dtor support; remove special
2969 (get_file_function_name): Remove.
2970 * tree.h (get_file_function_name): Rename from
2971 get_file_function_name_long.
2972 (get_file_function_name): Remove prototype.
2974 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2976 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
2977 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
2979 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
2980 Call dsymutil when compiling and linking one or more source files
2983 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2986 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
2988 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2990 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
2991 inline static functions in c99 mode.
2994 * doc/extend.texi (Inline): Update.
2995 * c-tree.h (struct language_function): Remove field 'extern_inline'.
2996 * c-decl.c (current_extern_inline): Delete.
2997 (pop_scope): Adjust test for an undefined nested function.
2998 Add warning about undeclared inline function.
2999 (diagnose_mismatched_decls): Update comments. Disallow overriding
3000 of inline functions in a translation unit in C99. Allow inline
3001 declarations in C99 at any time.
3002 (merge_decls): Boolize variables. Handle C99 'extern inline'
3004 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
3005 C99 inline semantics.
3006 (start_function): Don't clear current_extern_inline. Don't set
3008 (c_push_function_context): Don't push current_extern_inline.
3009 (c_pop_function_context): Don't restore current_extern_inline.
3012 * c-typeck.c (build_external_ref): Warn about static variables
3013 used in extern inline functions.
3014 * c-decl.c (start_decl): Warn about static variables declared
3015 in extern inline functions.
3017 2006-10-31 Roger Sayle <roger@eyesopen.com>
3020 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
3021 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
3022 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
3023 or y is an even integer.
3025 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
3028 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
3029 * gthr-posix95.h (__gthread_active_p): Likewise.
3031 2006-10-31 Richard Guenther <rguenther@suse.de>
3033 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
3034 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
3035 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
3036 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
3037 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
3038 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
3039 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
3040 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
3043 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
3045 * opts.c (decode_options): Disable CSE skip blocks.
3047 2006-10-30 Dirk Mueller <dmueller@suse.de>
3049 * c-common.h (strict_aliasing_warning): Fix whitespace.
3050 * c-decl (start_function): Move code for main decl warning ..
3051 * c-common.c (check_main_parameter_types): .. here.
3052 * c-common.h (check_main_parameter_types): Declare.
3054 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3057 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
3059 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
3061 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
3062 be a PARALLEL containing sets. Return false when out_pat is not
3065 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3067 * config/mips/mips.md (mul<mode>3): Split into...
3068 (mulsi3, muldi3): ...these separate patterns.
3070 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3072 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
3073 but with each set of options separated by spaces.
3075 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
3077 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
3078 dwarf_reg_size_table has been initialized.
3080 2006-10-30 Roger Sayle <roger@eyesopen.com>
3082 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
3083 * ddg.c (print_ddg_edge): Likewise.
3084 * dwarf2out.c (prune_unused_types_walk): Likewise.
3085 * ifcvt.c (noce_try_cmove_arith): Likewise.
3086 * langhooks.c (add_builtin_function): Likewise.
3087 * reg-stack.c (subst_stack_regs_pat): Likewise.
3088 * tree.c (expanded_location): Likewise.
3089 * tree-dump.c (dequeue_and_dump): Likewise.
3091 2006-10-30 David Daney <ddaney@avtrex.com>
3093 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
3095 2006-10-30 Jakub Jelinek <jakub@redhat.com>
3097 PR tree-optimization/29637
3098 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
3099 of the innertype is the innertype itself.
3101 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
3103 * dwarf2out.c (file_name_acquire): Correct typo.
3105 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
3107 * tree.h (tree_value_handle): Remove struct value_set declaration.
3108 Change value_set to bitmap_set.
3109 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
3110 * tree-vn.c (get_value_handle): Made inline and moved to
3112 * tree-flow-inline.h: (has_stmt_ann): New function.
3113 * tree-ssa-pre.c (expressions): New variable.
3114 (next_expression_id): Ditto.
3115 (alloc_expression_id): New function.
3116 (struct value_set): Remove.
3117 (get_expression_id): New function.
3118 (get_or_alloc_expression_id): Ditto.
3119 (expression_for_id): Ditto.
3120 (clear_expression_ids): Ditto.
3121 (FOR_EACH_EXPR_ID_IN_SET): New macro.
3122 (bb_value_sets): Renamed to bb_bitmap_sets.
3123 All value sets replaced with bitmap_sets.
3125 (BB_VISITED): New macro.
3126 (postorder): New variable.
3127 (add_to_value): Removed.
3128 (value_exists_in_set_bitmap): Ditto.
3129 (value_insert_into_set_bitmap): Ditto.
3132 (set_remove): Ditto.
3133 (set_contains_value): Ditto.
3134 (insert_into_set): Ditto.
3136 (find_leader): Ditto.
3137 (bitmap_set_subtract_from_value_set): Ditto.
3138 (value_insert_into_set): Ditto.
3139 (print_value_set): Ditto.
3140 (debug_value_set): Ditto.
3141 (constant_expr_p): New function.
3142 (bitmap_remove_from_set): Ditto.
3143 (bitmap_insert_into_set): Ditto.
3144 (bitmap_set_free): Ditto.
3145 (vh_compare): Ditto.
3146 (sorted_array_from_bitmap_set): Ditto.
3147 (bitmap_set_subtract): Ditto.
3148 (bitmap_set_equal): Ditto.
3149 (debug_bitmap_set): Ditto.
3150 (find_leader_in_sets): Ditto.
3151 (bitmap_set_replace_value): Modify for bitmapped sets.
3152 (phi_translate): Ditto.
3153 (phi_translate_set): Ditto.
3154 (bitmap_find_leader): Ditto.
3155 (valid_in_sets): Ditto.
3156 (union_contains_value): Ditto.
3158 (compute_antic_aux): Ditto. Mark changed blocks.
3159 (compute_antic): Ditto. Iterate in postorder and only over
3161 (compute_rvuse_and_antic_safe): Reuse postorder.
3162 (create_component_ref_by_pieces): Modify for bitmapped sets.
3163 (find_or_generate_expression): Ditto.
3164 (create_expression_by_pieces): Ditto.
3165 (insert_into_preds_of_block): Ditto.
3166 (changed_blocks): New variable.
3167 (do_regular_insertion): Broken out from insert_aux.
3168 (insert_aux): Modified for bitmapped sets.
3169 (find_existing_value_expr): New function.
3170 (create_value_expr_from): Use it.
3171 (insert_extra_phis): Removed.
3172 (print_bitmap_set): Renamed from bitmap_print_value_set.
3173 (compute_avail): Handle RETURN_EXPR.
3174 (init_pre): Modify for bitmapped sets.
3175 * tree-flow.h (has_stmt_ann): New function.
3177 2006-10-29 Roger Sayle <roger@eyesopen.com>
3179 * builtins.c (fold_builtin_floor): Check for the availability of
3180 the C99 trunc function before transforming floor into trunc.
3182 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3184 * builtins.c (fold_builtin_hypot): Rearrange recursive
3185 transformation before others, and also do ABS_EXPR. When
3186 necessary, check flag_unsafe_math_optimizations. When necessary,
3189 2006-10-29 Roger Sayle <roger@eyesopen.com>
3191 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
3192 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
3193 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
3194 Fold -X eq/ne -Y as X eq/ne Y.
3196 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3198 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
3199 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
3200 rather than GENERATE_MULT3_SI in the various define_peephole2s.
3201 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
3202 Use an inclusive test for "mult" rather than "mul".
3203 (rotr<mode>3): Depend on ISA_HAS_ROR.
3204 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
3206 (GENERATE_MULT3_DI): Delete.
3207 (ISA_HAS_64BIT_REGS): Use consistent formatting.
3208 (ISA_HAS_MUL3): New macro.
3209 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
3210 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
3211 (ISA_HAS_CLZ_CLO): Likewise.
3212 (ISA_HAS_DCLZ_DCLO): Delete.
3213 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
3214 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
3215 the VR4120 and VR4130.
3216 (ISA_HAS_MACCHI): Use consistent formatting.
3217 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
3218 (ISA_HAS_ROR): ...this new macro.
3219 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
3220 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
3221 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
3223 2006-10-29 Roger Sayle <roger@eyesopen.com>
3225 PR tree-optimization/15458
3226 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
3229 2006-10-29 Richard Guenther <rguenther@suse.de>
3231 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
3232 (ix86_expand_truncdf_32): Likewise.
3233 * config/i386/i386.c (ix86_expand_trunc): New function expanding
3234 trunc inline for SSE math and -fno-trapping-math and if not
3235 optimizing for size.
3236 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
3237 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
3238 for expanding btrunc inline for SSE math.
3240 2006-10-29 Joseph Myers <joseph@codesourcery.com>
3242 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
3243 Handle tuning for bi-arch i[34567]86-*-linux* like that for
3244 i[34567]86-*-solaris2.1[0-9]*.
3245 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
3246 Define conditionally depending on TARGET_64BIT_DEFAULT.
3247 (SPEC_32, SPEC_64): Define.
3248 (LINK_SPEC): Use them.
3249 * doc/install.texi (--enable-targets=all): Document for x86-linux.
3251 2006-10-29 Richard Guenther <rguenther@suse.de>
3253 * config/i386/i386-protos.h (ix86_expand_round): Declare.
3254 (ix86_expand_rounddf_32): Likewise.
3255 * config/i386/i386.c (ix86_expand_round): New function expanding
3256 round inline for SSE math and -fno-trapping-math and if not
3257 optimizing for size.
3258 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
3259 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
3260 round via ix86_expand_round.
3262 2006-10-29 Richard Guenther <rguenther@suse.de>
3264 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
3265 (ix86_expand_floorceildf_32): Likewise.
3266 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
3267 static helper function.
3268 (ix86_expand_floorceil): Expander for floor and ceil to SSE
3270 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
3271 * config/i386/i386.md (floordf2): Adjust to enable floor
3272 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
3273 -fno-trapping-math is enabled and if not optimizing for size.
3274 (floorsf2, ceildf2, ceilsf2): Likewise.
3275 * config/i386/sse.md (sse_maskcmpsf3): New insn.
3276 (sse2_maskcmpdf3): Likewise.
3278 2006-10-29 Richard Guenther <rguenther@suse.de>
3280 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
3281 rint in case -fno-trapping-math is enabled.
3282 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
3283 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
3284 (ix86_expand_sse_fabs): Likewise.
3285 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
3286 * config/i386/i386.md (rintdf2): Enable for SSE math if
3287 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
3288 (rintsf2): Likewise.
3290 2006-10-29 Richard Guenther <rguenther@suse.de>
3292 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
3293 to conversion optabs.
3294 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
3295 as conversion optab.
3296 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
3297 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
3298 (lfloor_optab, lceil_optab): Adjust defines.
3299 * builtins.c (expand_builtin_int_roundingfn): Adjust for
3300 lfloor and lceil optabs now being conversion optabs.
3301 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
3302 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
3303 New static helper function.
3304 (ix86_expand_lfloorceil): New function to expand lfloor and
3306 * config/i386/i386.md (lfloor<mode>2): Split into ...
3307 (lfloorxf<mode>2): ... x87 variant
3308 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
3309 using ix86_expand_lfloorceil.
3310 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
3312 * doc/md.texi (lfloorMN, lceilMN): Document.
3314 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3316 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
3317 -mno-shared assembler option on mips targets.
3318 * configure, config.in: Regenerate.
3319 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
3320 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
3321 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
3323 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3325 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
3326 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
3328 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
3330 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
3331 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
3334 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3337 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
3338 (fold_builtin_pow): Evaluate constant arguments at compile-time
3340 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
3341 (do_mpfr_ckconv): New helper function.
3342 (do_mpfr_arg1): Use do_mpfr_ckconv.
3343 (do_mpfr_arg2): New.
3345 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
3348 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
3349 (-fdump-rtl-sched): Rename to ..
3350 (-fdump-rtl-sched1): here. Also fix file extension number.
3352 2006-10-28 Richard Guenther <rguenther@suse.de>
3354 * fold-const.c (maybe_canonicalize_comparison): Fix code
3357 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3359 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
3360 (NON_QI_REG_P): Use IN_RANGE.
3361 (REX_INT_REGNO_P): Use IN_RANGE.
3362 (FP_REGNO_P): Use IN_RANGE.
3363 (SSE_REGNO_P): Use IN_RANGE.
3364 (REX_SSE_REGNO_P): Use IN_RANGE.
3365 (MMX_REGNO_P): Use IN_RANGE.
3366 (STACK_REGNO_P): New macro.
3367 (STACK_REG_P): Use STACK_REGNO_P.
3368 (NON_STACK_REG_P): Use STACK_REGNO_P.
3369 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
3370 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
3371 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
3372 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
3373 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
3375 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
3377 * except.h (output_function_exception_table): Add 'const char*' param.
3378 * except.c (switch_to_exception_section): Add 'const char*' param.
3379 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
3380 and flag_function_sections is set, use a function-specific section.
3381 (output_function_exception_table): Add 'const char*' param.
3382 Adjust call to switch_to_exception_section.
3383 * final.c (rest_of_handle_final): Adjust calls to
3384 output_function_exception_table.
3385 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
3386 * config.in: Regenerate.
3387 * configure: Likewise.
3389 2006-10-28 Richard Guenther <rguenther@suse.de>
3392 * fold-const.c (maybe_canonicalize_comparison_1): Helper
3393 for maybe_canonicalize_comparison.
3394 (maybe_canonicalize_comparison): New function for canonicalizing
3396 (fold_comparison): Call it to canonicalize comparisons with
3399 2006-10-28 Richard Guenther <rguenther@suse.de>
3402 * builtins.c (expand_builtin_int_roundingfn_2): Expand
3403 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
3404 (expand_builtin): Adjust likewise.
3405 * genopinit.c (optabs[]): Add lround optab.
3406 * optabs.c (init_optabs): Initialize lround_optab.
3407 * optabs.h (enum convert_optab_index): Add COI_lround.
3408 (lround_optab): Define.
3409 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
3410 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
3412 (ix86_expand_lround): New function.
3413 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
3415 * doc/md.texi (lroundMN2): Document.
3417 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3420 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
3421 argument to HOST_WIDE_INT. Update function prototype.
3422 (round_frame_size): Change return type to HOST_WIDE_INT. Change
3423 "size" argument to HOST_WIDE_INT. Update function prototype.
3425 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3427 * config/i386/i386.c (output_387_ffreep): Create output from a
3428 template string for !HAVE_AS_IX86_FFREEP.
3430 2006-10-27 Eric Christopher <echristo@apple.com>
3432 * config/darwin.c: Fix formatting and grammar.
3434 2006-10-27 Jan Hubicka <jh@suse.cz>
3436 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
3437 to be thrown away soon when IGNORE is set.
3438 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
3439 indicating when return value shall not be computed.
3440 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
3442 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
3444 * config/i386/i386.h (TARGET_GEODE):
3445 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
3446 (TARGET_CPU_DEFAULT_geode): New macro.
3447 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
3448 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
3449 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
3450 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
3451 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
3453 (TARGET_CPU_DEFAULT_NAMES): Add geode.
3454 (processor_type): Add PROCESSOR_GEODE.
3456 * config/i386/i386.md: Include geode.md.
3459 * config/i386/i386.c (geode_cost): New initialized global
3461 (m_GEODE, m_K6_GEODE): New macros.
3462 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
3463 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
3464 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
3465 x86_schedule): Use m_K6_GEODE instead of m_K6.
3466 (x86_movx, x86_cmove): Set up m_GEODE.
3467 (x86_integer_DFmode_moves): Clear m_GEODE.
3468 (processor_target_table): Add entry for geode.
3469 (processor_alias_table): Ditto.
3471 * config/i386/geode.md: New file.
3473 * doc/invoke.texi: Add entry about geode processor.
3475 2006-10-27 Mike Stump <mrs@apple.com>
3477 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
3478 __DYNAMIC__ from here back to ...
3479 * config/darwin.h (CPP_SPEC): ... here.
3481 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3482 Nathan Sidwell <nathan@codesourcery.com>
3484 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
3485 when choosing the minimum heapsize.
3487 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3489 * gcc/unwind-dw2.h: Move cfa-related variables into
3490 struct frame_state_reg_info to ensure that the CFA is properly
3491 handled when executing DW_CFA_{remember,restore}_state.
3492 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
3493 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
3494 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
3495 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
3496 gcc/config/rs6000/linux-unwind.h,
3497 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
3498 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
3499 Modify to use new cfa_* fields.
3501 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
3503 * config/s390/s390.c (s390_init_frame_layout): Check positive
3506 2006-10-26 Ben Elliston <bje@au.ibm.com>
3508 * gimplify.c (get_name): Remove extraneous break.
3509 (gimplify_omp_for): Initialise ret with GS_OK.
3511 2006-10-25 Steve Ellcey <sje@cup.hp.com>
3513 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
3514 Add unix98.o to link line.
3516 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3519 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
3520 Calculate compile-time constants using MPFR.
3521 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
3522 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
3524 2006-10-25 Bob Wilson <bob.wilson@acm.org>
3526 * config/xtensa/lib2funcs.S: Use C-style comments.
3528 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
3530 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
3531 (file_table_relative_p): Likewise.
3532 (dwarf2out_finish): Likewise.
3533 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
3535 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
3537 * tree-ssa-structalias.c (intra_create_variable_infos):
3538 Don't recreate nonlocal_all if it already exists.
3540 2006-10-25 Richard Guenther <rguenther@suse.de>
3543 * optabs.h (enum optab_index): Remove OTI_lrint.
3544 (enum convert_optab_index): Add COI_lrint.
3545 (lrint_optab): Adjust.
3546 (expand_sfix_optab): Declare.
3547 * optabs.c (expand_sfix_optab): New function.
3548 (init_optabs): Init lrint_optab as conversion optab.
3549 * genopinit.c (lrint_optab): Change to a conversion optab.
3550 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
3551 expansion via conversion optab.
3552 * config/i386/i386.md (*fistdi2_1): Remove
3553 flag_unsafe_math_optimizations guard.
3554 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
3555 fist<mode>2_with_temp): Likewise.
3556 (lrint<mode>2): Split into...
3557 (lrintxf<mode>2): ... x87 part
3558 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
3559 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
3560 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
3561 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
3562 * doc/md.texi (lrintMN2): Document.
3564 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3567 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
3568 Use inc and dec instructions for TARGET_USE_INCDEC.
3569 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
3570 ("sync_double_compare_and_swap<mode>"): Likewise.
3571 ("*sync_double_compare_and_swapdi_pic"): Likewise.
3572 ("*sync_compare_and_swap_cc<mode>"): Likewise.
3573 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
3574 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
3575 ("sync_old_add<mode>"): Likewise.
3576 ("sync_lock_test_and_set<mode>"): Likewise.
3577 ("sync_lock_test_and_set<mode>"): Likewise.
3578 ("sync_add<mode>"): Likewise.
3579 ("sync_sub<mode>"): Likewise.
3580 ("sync_ior<mode>"): Likewise.
3581 ("sync_and<mode>"): Likewise.
3582 ("sync_xor<mode>"): Likewise.
3584 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3586 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
3587 (remainder_optab): Define corresponding macro.
3588 (drem_optab): Remove.
3589 * optabs.c (init_optabs): Initialize remainder_optab. Remove
3590 drem_optab initialization.
3591 * genopinit.c (optabs): Implement remainder_optab using
3592 remainder?f3 patterns. Remove drem_optab.
3593 * builtins.c (expand_builtin_mathfn_2): Handle
3594 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
3595 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
3596 expand_builtin_mathfn_2.
3598 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
3599 depend on flag_unsafe_math_optimizations.
3601 * config/i386/i386.md ("remaindersf3", "remainderdf3")
3602 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
3603 Do not depend on flag_unsafe_math_optimizations. Use
3604 truncxf?f expander instead of truncxf?f_i387_noop.
3606 ("fpremxf4", "fprem1xf4"): Do not depend on
3607 flag_unsafe_math_optimizations.
3608 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
3609 flag_unsafe_math_optimizations. Use truncxf?f expander
3610 instead of truncxf?f_i387_noop.
3612 * doc/md.texi (fmod, remainder): Document standard named pattern.
3614 2006-10-24 Richard Sandiford <richard@codesourcery.com>
3615 David Daney <ddaney@avtrex.com>
3618 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
3620 2006-10-25 Ben Elliston <bje@au.ibm.com>
3622 * doc/extend.texi (Variable Attributes): Typo fix.
3624 2006-10-24 Uros Bizjak <uros@kss-loka.si>
3626 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
3627 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
3628 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
3629 (FRAME_POINTER_REGNUM): Update register number to 21.
3630 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
3631 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
3633 * config/i386/i386.c (regclass_map): Add fpcr entry.
3634 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
3636 (print_reg): Assert REGNO (x) != FPCR_REG.
3638 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
3639 (DIRFLAG_REG): Renumber.
3640 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
3641 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
3642 (sse_prologue_save, *sse_prologue_save_insn): Renumber
3643 hardcoded SSE register numbers.
3645 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
3646 hardcoded MMX register numbers.
3648 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3651 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
3652 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
3654 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
3655 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
3656 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
3657 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
3659 2006-10-24 Richard Guenther <rguenther@suse.de>
3662 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
3663 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
3664 for deciding optimizations in consistency with fold-const.c
3665 (fold_builtin_unordered_cmp): Likewise.
3667 2006-10-24 Richard Guenther <rguenther@suse.de>
3669 * builtins.c (fold_builtin_floor): Fold floor (x) where
3670 x is nonnegative to trunc (x).
3671 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
3672 nonnegative to FIX_TRUNC_EXPR.
3674 2006-10-24 Richard Guenther <rguenther@suse.de>
3676 PR tree-optimization/29567
3677 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
3678 for TRUTH_NOT_EXPR. Clarify comments.
3680 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3683 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
3684 at compile-time using MPFR. Change parameter VALUE to FUNC,
3686 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
3687 for overflow and underflow at all times and avoid folding in
3690 2006-10-24 Ben Elliston <bje@au.ibm.com>
3692 * reload1.c: Formatting fixes.
3694 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
3696 PR tree-optimization/14784
3697 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
3698 * tree-ssa-structalias.c (get_constraint_for,
3699 intra_create_variable_infos): Set is_heapvar.
3700 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
3701 non-heapvar pointer variables specially.
3703 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3706 * builtins.c (fold_builtin_sin, fold_builtin_cos,
3707 fold_builtin_tan): Fold all constant arguments. Take a "type"
3708 argument as necessary.
3709 (do_mpfr_arg1): New.
3710 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
3712 2006-10-23 Bob Wilson <bob.wilson@acm.org>
3714 * config/xtensa/lib1funcs.asm: Use C-style comments.
3716 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
3718 * tree.c (local_define_builtin): Replace calls to
3719 lang_hooks.builtin_function with add_builtin_function.
3720 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
3722 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
3724 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
3725 common code to add_builtin_function.
3726 * langhooks.c (add_builtin_function): New function.
3727 (lhd_builtin_function): New function.
3728 * langhooks.h (struct lang_hooks): Change the signature of
3730 (add_builtin_function): New function.
3731 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
3732 calls to lang_hooks.builtin_function with add_builtin_function.
3733 * c-common.c (decl_builtin_1): Replace calls to
3734 lang_hooks.builtin_function with add_builtin_function.
3735 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
3736 lang_hooks.builtin_function with add_builtin_function.
3737 * config/frv/frv.c (def_builtin): Replace calls to
3738 lang_hooks.builtin_function with add_builtin_function.
3739 * config/s390/s390.c (s390_init_builtins): Replace calls to
3740 lang_hooks.builtin_function with add_builtin_function.
3741 * config/sparc/sparc.c (def_builtin): Replace calls to
3742 lang_hooks.builtin_function with add_builtin_function.
3743 * config/i386/i386.c (def_builtin): Replace calls to
3744 lang_hooks.builtin_function with add_builtin_function.
3745 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
3746 lang_hooks.builtin_function with add_builtin_function.
3747 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
3748 lang_hooks.builtin_function with add_builtin_function.
3749 * config/stormy16/stormy16.c (xstormy16_init_builtins):
3750 Replace calls to lang_hooks.builtin_function with
3751 add_builtin_function.
3752 * config/iq2000/iq2000.c (def_builtin):
3753 Replace calls to lang_hooks.builtin_function with
3754 add_builtin_function.
3755 * config/ia64/ia64.c (def_builtin): Replace calls to
3756 lang_hooks.builtin_function with add_builtin_function.
3757 * config/rs6000/rs6000.c (def_builtin): Replace calls to
3758 lang_hooks.builtin_function with add_builtin_function.
3759 (altivec_init_builtins): Replace calls to
3760 lang_hooks.builtin_function with add_builtin_function.
3761 * config/arm/arm.c (def_mbuiltin): Replace calls to
3762 lang_hooks.builtin_function with add_builtin_function.
3763 (arm_init_tls_builtins): Replace calls to
3764 lang_hooks.builtin_function with add_builtin_function.
3765 * config/mips/mips.c (mips_init_builtins): Replace calls to
3766 lang_hooks.builtin_function with add_builtin_function.
3767 * config/bfin/bfin.c (def_builtin): Replace calls to
3768 lang_hooks.builtin_function with add_builtin_function.
3769 * langhooks-def.h (lhd_builtin_function): New function.
3770 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
3772 2006-10-23 Jakub Jelinek <jakub@redhat.com>
3774 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
3775 BUILT_IN_STRNCAT_CHK.
3777 2006-10-23 Jan Hubicka <jh@suse.cz>
3779 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
3780 don't do conversion from memmove to memcpy here.
3781 (expand_builtin_bcopy, expand_builtin): Update call of
3782 expand_builtin_memmove.
3783 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
3785 2006-10-23 Paul Brook <paul@codesourcery.com>
3787 * stor-layout.c (start_record_layout): maximum_field_alignment
3788 overrides STRUCTURE_SIZE_BOUNDARY.
3790 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
3792 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
3793 nonlocal function symbols if flag_pic.
3795 2006-10-23 Richard Guenther <rguenther@suse.de>
3799 * builtins.c (fold_binary): Remove checks for flag_wrapv
3800 and flag_trapv where negate_expr_p covers these cases.
3802 2006-10-23 Richard Guenther <rguenther@suse.de>
3805 * fold-const.c (fold_plusminus_mult_expr): Check exact power
3806 of two on the absolute value.
3807 (fold_binary): Fold x * -C to -x * C if x is easily negatable
3808 and negating -C does not overflow.
3810 2006-10-23 Richard Guenther <rguenther@suse.de>
3813 * convert.c (convert_to_real): Fold (float)-x to -(float)x
3814 only if not flag_rounding_math.
3816 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3817 Kaz Kojima <kkojima@gcc.gnu.org>
3820 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
3821 SImode memory reference for the source of a movua.
3822 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
3823 (movua): Use an unspec instead of sign_extract. Expect the source
3824 to have mode BLKmode.
3825 (extv, insv): Use a BLKmode rather than SImode memory reference
3826 for the source of a movua.
3828 2006-10-22 Jeff Law <law@redhat.com>
3829 Richard Guenther <rguenther@suse.de>
3831 PR tree-optimization/15911
3832 * tree-vrp.c (extract_code_and_val_from_cond): New function.
3833 (register_edge_assert_for_1): Likewise.
3834 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
3835 (find_conditional_asserts): Adjust for new function signature.
3836 (find_assert_locations): Likewise.
3838 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3840 * config/i386/tmmintrin.h: Remove the duplicated content.
3842 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3844 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
3845 (x86_64-*-*): Likewise.
3847 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
3848 (override_options): Check SSSE3.
3849 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
3850 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
3851 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
3852 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
3853 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
3854 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
3855 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
3856 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
3857 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
3858 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
3859 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
3860 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
3861 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
3862 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
3863 IX86_BUILTIN_PABSD128.
3864 (bdesc_2arg): Add SSSE3.
3865 (bdesc_1arg): Likewise.
3866 (ix86_init_mmx_sse_builtins): Support SSSE3.
3867 (ix86_expand_builtin): Likewise.
3868 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
3870 * config/i386/i386.md (UNSPEC_PSHUFB): New.
3871 (UNSPEC_PSIGN): Likewise.
3872 (UNSPEC_PALIGNR): Likewise.
3873 Include mmx.md before sse.md.
3875 * config/i386/i386.opt: Add -mssse3.
3877 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
3878 (ssse3_phaddwv4hi3): Likewise.
3879 (ssse3_phadddv4si3): Likewise.
3880 (ssse3_phadddv2si3): Likewise.
3881 (ssse3_phaddswv8hi3): Likewise.
3882 (ssse3_phaddswv4hi3): Likewise.
3883 (ssse3_phsubwv8hi3): Likewise.
3884 (ssse3_phsubwv4hi3): Likewise.
3885 (ssse3_phsubdv4si3): Likewise.
3886 (ssse3_phsubdv2si3): Likewise.
3887 (ssse3_phsubswv8hi3): Likewise.
3888 (ssse3_phsubswv4hi3): Likewise.
3889 (ssse3_pmaddubswv8hi3): Likewise.
3890 (ssse3_pmaddubswv4hi3): Likewise.
3891 (ssse3_pmulhrswv8hi3): Likewise.
3892 (ssse3_pmulhrswv4hi3): Likewise.
3893 (ssse3_pshufbv16qi3): Likewise.
3894 (ssse3_pshufbv8qi3): Likewise.
3895 (ssse3_psign<mode>3): Likewise.
3896 (ssse3_psign<mode>3): Likewise.
3897 (ssse3_palignrti): Likewise.
3898 (ssse3_palignrdi): Likewise.
3899 (abs<mode>2): Likewise.
3900 (abs<mode>2): Likewise.
3902 * config/i386/tmmintrin.h: New file.
3904 * doc/extend.texi: Document SSSE3 built-in functions.
3906 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
3908 2006-10-22 Ira Rosen <irar@il.ibm.com>
3910 * tree-vect-transform.c (vectorizable_load): Use the type of the
3911 return value of the mask_for_load builtin to create realign_load
3914 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3916 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
3919 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
3921 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
3922 (UNSPEC_LDDQU): This.
3923 * config/i386/sse.md (sse3_lddqu): Updated.
3925 2006-10-21 Richard Guenther <rguenther@suse.de>
3927 * builtins.c (expand_builtin_int_roundingfn_2): New function.
3928 (expand_builtin): Use it to expand lrint instead of
3929 expand_builtin_mathfn.
3931 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3934 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
3935 flag_unsafe_math_optimizations is set.
3937 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3940 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
3941 patterns to use memory input operand in x87->mem->XMM
3942 reload sequences. Skip transformation for TARGET_K8.
3944 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3946 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
3947 force operand1 to register if both operands are memory operands.
3948 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
3949 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
3950 if both operands are memory operands.
3951 (truncdfsf2): Do not force operand1 to register if both operands
3952 are memory operands.
3954 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3956 * Makefile.in (LIBS): Add $(GMPLIBS).
3957 * doc/install.texi: Update GMP and MPFR requirements.
3958 * doc/sourcebuild.texi (need_gmp): Delete.
3960 2006-10-21 Richard Guenther <rguenther@suse.de>
3962 PR tree-optimization/3511
3963 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
3964 got new invariant arguments during PHI translation.
3966 2006-10-21 Richard Guenther <rguenther@suse.de>
3969 * fold-const.c (fold_comparison): Fold signed comparisons
3970 of the form X +- C1 CMP Y +- C2.
3972 2006-10-21 Richard Guenther <rguenther@suse.de>
3975 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
3976 if flag_unsafe_math_optimizations is specified. We have
3977 flag_finite_math_only for that.
3978 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
3979 or flag_unsafe_math_optimizations.
3981 2006-10-21 Richard Guenther <rguenther@suse.de>
3983 * builtins.c (fold_builtin_classify): Fix typo.
3985 2006-10-21 Richard Guenther <rguenther@suse.de>
3988 * simplify-rtx.c (simplify_const_relational_operation):
3989 Do not constant-fold ORDERED and UNORDERED for
3990 flag_unsafe_math_optimizations but only we do not need to
3991 honor NaNs for the given mode.
3993 2006-10-21 Richard Guenther <rguenther@suse.de>
3996 * config/i386/i386.c (classify_argument): Remove redundant
3997 walking of the BINFOs.
3998 (contains_128bit_aligned_vector_p): Likewise.
4000 2006-10-20 Mark Mitchell <mark@codesourcery.com>
4002 * BASE-VER: Set to 4.3.0.
4004 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
4006 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
4007 (tree_decl_with_vis): Remove artificial_pta_var flag.
4008 * tree-flow.h (referenced_var_check_and_insert): Expose.
4009 (nonlocal_all): New prototype.
4010 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
4011 (nonlocal_all): Make global.
4012 (nonlocal_lookup): Remove.
4013 (nonlocal_insert): Ditto.
4014 (create_nonlocal_var): Do not call nonlocal_insert.
4015 (get_nonlocal_id_for_type): Remove.
4016 (find_global_initializers): Mark new vars we find for renaming.
4017 (intra_create_variable_infos): Only create one nonlocal.
4018 (expand_nonlocal_solutions): Remove.
4019 (compute_points_to_sets): Don't call it.
4020 (ipa_pta_execute): Ditto.
4021 (init_alias_heapvars): Don't create nonlocal_for_type.
4022 (delete_alias_heapvars): Don't remove it.
4023 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
4026 2006-10-19 Brooks Moses <bmoses@stanford.edu>
4028 * doc/install.texi (Downloading GCC): Clarify mention of
4029 Fortran in the "full distribution" description.
4031 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
4033 Fix PR tree-optimization/28778
4034 Fix PR tree-optimization/29156
4035 Fix PR tree-optimization/29415
4036 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
4037 (tree_decl_with_vis): Add artificial_pta_var flag.
4038 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
4039 pushed into callers.
4040 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
4041 (nonlocal_all): Ditto.
4042 (struct variable_info): Add directly_dereferenced member.
4043 (var_escaped_vars): New variable.
4044 (escaped_vars_tree): Ditto.
4045 (escaped_vars_id): Ditto.
4046 (nonlocal_vars_id): Ditto.
4047 (new_var_info): Set directly_dereferenced.
4048 (graph_size): New variable
4049 (build_constraint_graph): Use graph_size.
4050 (solve_graph): Don't process constraints that cannot change the
4051 solution, don't try to propagate an empty solution to our
4053 (process_constraint): Set directly_dereferenced.
4054 (could_have_pointers): New function.
4055 (get_constraint_for_component_ref): Don't process STRING_CST.
4056 (nonlocal_lookup): New function.
4057 (nonlocal_insert): Ditto.
4058 (create_nonlocal_var): Ditto.
4059 (get_nonlocal_id_for_type): Ditto.
4060 (get_constraint_for): Allow results vector to be empty in the case
4061 of string constants.
4062 Handle results of calls properly.
4063 (update_alias_info): Update alias info stats on number and type of
4065 (find_func_aliases): Use could_have_pointers.
4066 (make_constraint_from_escaped): Renamed from
4067 make_constraint_to_anything, and changed to make constraints from
4069 (make_constraint_to_escaped): New function.
4070 (find_global_initializers): Ditto.
4071 (create_variable_info_for): Make constraint from escaped to any
4072 global variable, and from any global variable to the set of
4074 (intra_create_variable_infos): Deal with escaped instead of
4075 pointing to anything.
4076 (set_uids_in_ptset): Do type pruning on directly dereferenced
4078 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
4079 (init_base_vars): Fix comment, and initialize escaped_vars.
4080 (need_to_solve): Removed.
4081 (find_escape_constraints): New function.
4082 (expand_nonlocal_solutions): Ditto.
4083 (compute_points_to_sets): Call find_escape_constraints and
4084 expand_nonlocal_solutions.
4085 (delete_points_to_sets): Don't fall off the end of the graph.
4086 (init_alias_heapvars): Initialize nonlocal_for_type and
4088 (delete_alias_heapvars): Free nonlocal_for_type and null out
4091 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
4093 * fold-const.c (add_double): Rename to add_double_with_sign.
4094 Add 'unsigned_p' parameter and take it into account for the overflow.
4095 (mul_double): Rename to mul_double_with_sign.
4096 Add 'unsigned_p' parameter and take it into account for the overflow.
4097 (fold_div_compare): Call add_double_with_sign instead of add_double
4098 and mul_double_with_sign instead of mul_double, passing them the
4099 unsignedness of the type.
4100 * tree.h (add_double): Macroize.
4101 (add_double_with_sign): New prototype.
4102 (mul_double): Macroize.
4103 (mul_double_with_sign): New prototype.
4105 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
4107 * config/score/crti.asm: New file.
4108 * config/score/crtn.asm: New file.
4109 * config/score/elf.h: New file.
4110 * config/score/mac.md: New file.
4111 * config/score/misc.md: New file.
4112 * config/score/mul-div.S: New file.
4113 * config/score/predicates.md: New file.
4114 * config/score/score7.md: New file.
4115 * config/score/score.c: New file.
4116 * config/score/score-conv.h: New file.
4117 * config/score/score.h: New file.
4118 * config/score/score.md: New file.
4119 * config/score/score-mdaux.c: New file.
4120 * config/score/score-mdaux.h: New file.
4121 * config/score/score-modes.def: New file.
4122 * config/score/score.opt: New file.
4123 * config/score/score-protos.h: New file.
4124 * config/score/score-version.h: New file.
4125 * config/score/t-score-elf: New file.
4126 * config.gcc: Add score*-*-* configurations(Update before).
4127 * doc/invoke.texi (Score Options): New section.
4128 * doc/md.texi (Score family): New section to document constraints.
4130 2006-10-19 Nick Clifton <nickc@redhat.com>
4132 * config/arm/arm.c: Fix spelling typo.
4134 2006-10-18 Tom Tromey <tromey@redhat.com>
4136 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
4138 2006-10-18 Jan Hubicka <jh@suse.cz>
4141 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
4144 2006-10-18 Marcin Dalecki <martin@dalecki.de>
4146 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
4147 TSI_SAME_STMT, since that's the desired entity.
4149 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
4151 * config/s390/contraints.md: New file.
4152 * config/s390/s390-protos.h (s390_mem_constraint,
4153 s390_O_constraint_str, s390_N_constraint_str,
4154 s390_float_const_zero_p): Function prototypes added.
4155 * config/s390/s390.c (s390_extra_constraint_str,
4156 s390_const_double_ok_for_constraint_p,
4157 s390_const_ok_for_constraint_p): Functions removed.
4158 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
4159 s390_float_const_zero_p): New functions.
4160 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
4161 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
4162 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
4163 Macro definitions removed.
4164 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
4165 s390_extra_constraint_str): Functions removed.
4167 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
4168 Richard Sandiford <richard@codesourcery.com>
4171 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
4172 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
4174 2006-10-16 Geoffrey Keating <geoffk@apple.com>
4176 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
4177 (DWARF2_FRAME_REG_OUT): Likewise.
4178 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
4179 (DWARF2_FRAME_REG_OUT): Likewise.
4181 2006-10-17 Paul Brook <paul@codesourcery.com>
4183 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
4185 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4187 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
4188 Standardize on "GNU Fortran" as the official name of the Fortran
4191 2006-10-16 Mike Stump <mrs@apple.com>
4193 * doc/invoke.texi (Darwin Options): Document -mkernel.
4194 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
4196 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
4197 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
4198 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
4199 (OS_MISSING_ALTIVEC): Add.
4200 * config/i386/i386.c (override_options): Add
4201 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
4202 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
4203 -mkernel, -static or -mdynamic-no-pic is given.
4204 (C_COMMON_OVERRIDE_OPTIONS): Add.
4205 * config/darwin.opt (fapple-kext): Add.
4207 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
4208 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
4210 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
4211 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
4212 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
4213 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
4214 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
4215 (flag_mkernel): Add.
4216 (flag_apple_kext): Add.
4217 (TARGET_KEXTABI): Add.
4218 * config/darwin.c (darwin_handle_kext_attribute): Add.
4219 (DARWIN_VTABLE_P): Add.
4220 (darwin_binds_local_p): Add partial support for rebinding vtables
4222 (darwin_kextabi_p): Add.
4223 (darwin_override_options): Add.
4224 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
4225 (darwin_kextabi_p): Add.
4226 (darwin_override_options): Add.
4227 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
4228 __DYNAMIC__ and __STATIC__ here.
4230 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4232 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
4233 Added mention of "make pdf" target, and Texinfo requirements for
4236 2006-10-16 DJ Delorie <dj@redhat.com>
4238 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
4239 into the GOT in case we need a subreg of the address.
4241 2006-10-16 Richard Guenther <rguenther@suse.de>
4244 * doc/extend.texi (X86 Built-in Functions): Fix typos in
4245 SSE builtin documentation. Document SSE2 builtins.
4247 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4249 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
4250 symbol in the output file for non-shared links when -nostdlib or
4251 -nodefaultlibs isn't specified.
4253 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
4254 posix thread support.
4256 2006-10-15 Jan Hubicka <jh@suse.cz>
4259 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
4260 declared always_inline even when not inlining.
4262 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4263 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4264 Andrew Pinski <pinskia@gmail.com>
4267 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
4269 2006-10-15 Jan Hubicka <jh@suse.cz>
4270 Richard Guenther <rguenther@suse.de>
4273 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
4274 process_function_and_variable_attributes on all variables, including
4275 those discovered during cgraph construction phase.
4277 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
4279 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
4281 2006-10-14 Uros Bizjak <uros@kss-loka.si>
4283 * config/i386/athlon.md (athlon_fist): Add fisttp.
4285 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4286 Ian Lance Taylor <ian@airs.com>
4289 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
4290 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
4293 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
4295 * config/score/score.c, config/score/score.h: Fix comment
4298 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4301 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
4304 2006-10-13 Eric Christopher <echristo@apple.com>
4306 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4308 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4311 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4312 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4313 alignment supported by 32-bit ELF.
4315 2006-10-13 Eric Christopher <echristo@apple.com>
4317 * config/darwin.c (darwin_emit_unwind_label): Strip
4318 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
4320 2006-10-13 Richard Guenther <rguenther@suse.de>
4322 PR tree-optimization/29446
4323 * tree-vrp.c (fix_equivalence_set): Remove.
4324 (extract_range_from_assert): Do not call fix_equivalence_set.
4325 (debug_value_range): Print a newline.
4326 (compare_name_with_value): For equivalence sets with
4327 inconsistent value ranges conservatively bail out.
4328 (compare_names): Likewise.
4330 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4332 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
4333 and MPFR for gfortran.
4335 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4337 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4338 alignment supported by 32-bit ELF.
4340 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
4344 * c-typeck.c (digest_init): Always allow initializing vectors
4345 that have static storage duration with compound literals.
4346 * tree.c (build_type_attribute_qual_variant): New, based on
4347 build_type_attribute_variant.
4348 (build_type_attribute_variant): Rewrite using the former.
4349 (make_vector_type): Use build_type_attribute_qual_variant to build
4350 type variants. Use type_hash_canon on the others.
4352 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
4353 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
4355 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
4357 2006-10-12 Jan Hubicka <jh@suse.cz>
4360 * c-decl.c (c_make_fname_decl): Do not segfault in case where
4361 current_function_decl is set but current_function_scope is not.
4363 2006-10-12 Jie Zhang <jie.zhang@analog.com>
4365 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
4366 emit_insn to emit eh_return_internal instruction.
4367 (eh_return_internal): Explicitly set pc.
4369 2006-10-11 Richard Guenther <rguenther@suse.de>
4371 PR tree-optimization/28230
4372 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
4373 to the correct place.
4375 2006-10-11 Richard Guenther <rguenther@suse.de>
4378 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
4381 2006-10-10 Brooks Moses <bmoses@stanford.edu>
4383 * configure.ac: Added pdf to "Make-hooks"
4384 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
4385 targets and *.pdf file patterns in cleanup targets.
4386 * configure: Regenerated.
4388 2006-10-10 Anatoly Sokolov <aesok@post.ru>
4390 * config/avr/predicates.md: New file.
4391 * config/avr/avr.md: Include it.
4392 (REG_SP): New constant.
4393 (peepholes): Use predicates.
4394 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
4395 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
4396 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
4398 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
4400 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
4403 2006-10-10 Jakub Jelinek <jakub@redhat.com>
4406 * builtins.c (var_decl_component_p): New function.
4407 (fold_builtin_memset, fold_builtin_memory_op): Restrict
4408 single entry optimization to variables and components thereof.
4410 2006-10-10 Richard Guenther <rguenther@suse.de>
4412 PR rtl-optimization/29323
4413 * except.c (set_nothrow_function_flags): For functions
4414 that do not bind local bail out early.
4416 2006-10-10 Ben Elliston <bje@au.ibm.com>
4418 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
4421 2006-10-09 Richard Henderson <rth@redhat.com>
4423 Revert emutls patch.
4425 2006-10-09 Richard Guenther <rguenther@suse.de>
4428 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
4431 2006-10-09 Steve Ellcey <sje@cup.hp.com>
4434 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
4435 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
4436 * configure: Regenerate.
4437 * config.in: Regenerate.
4439 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
4441 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
4443 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4445 * config/mips/mips.c (mips_legitimize_tls_address): Implement
4446 all TLS models in the same way as local exec if !TARGET_ABICALLS.
4447 Remove stray newline.
4449 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4451 * config/mips/mips.c (mips_classify_symbol): Do not return
4452 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
4453 (mips_in_small_data_p): Tweak comments.
4455 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4457 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
4459 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
4461 * gimplify.c, sched-int.h: Fix comment typos.
4463 * sched-int.h: Fix comment typos.
4465 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4467 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
4469 * sched-ebb.c (begin_schedule_ready): Use them.
4470 * haifa-sched.c (schedule_insn, move_insn, try_ready,
4471 add_to_speculative_block, create_check_block_twin, speculate_insn,
4472 fix_jump_move, move_block_after_check): Ditto.
4473 * sched-rgn.c (new_ready): Ditto.
4475 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4477 PR rtl-optimization/29128
4478 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
4479 * sched-ebb.c (advance_target_bb): Use it to fix condition to
4480 allow interblock movement of speculation checks.
4482 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
4485 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
4486 casted to integer type.
4487 (get_address_cost): Decrease cost of [symbol + index] addressing modes
4488 if they are significantly more expensive than [reg + index] ones.
4490 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4492 PR tree-optimization/29330
4493 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
4494 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
4495 on newly allocated ddrs.
4496 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
4497 to VEC (loop_p, heap) pointer.
4498 (compute_data_dependences_for_loop): Adjust caller.
4499 (free_dependence_relations): Free DDR_LOOP_NEST.
4501 * tree-loop-linear.c (linear_transform_loops): Don't forget to
4502 free DEPENDENCE_RELATIONS and DATAREFS.
4505 * builtins.c (expand_builtin_sync_operation,
4506 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
4507 Use convert_to_mode to handle promoted arguments.
4509 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4511 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
4513 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4515 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
4517 2006-10-05 Uros Bizjak <uros@kss-loka.si>
4519 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
4520 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
4521 Use <modeconstraint> instead of "r" as operand 1 constraint.
4523 2006-10-06 Olivier Hainque <hainque@adacore.com>
4525 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
4526 Don't recurse on the pointed-to type.
4527 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
4528 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
4529 types with components of variable size.
4531 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
4533 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
4535 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4537 PR tree-optimization/29290
4538 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
4542 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
4543 * config/i386/predicates.md (local_symbolic_operand): Likewise.
4546 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
4547 the number of vector elements fill the rest with zeros.
4549 2006-10-05 Richard Sandiford <richard@codesourcery.com>
4551 * config/mips/mips.c (mips_pass_by_reference): Do not return false
4552 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
4555 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
4557 * config/bfin/bfin.md (subsi3): Lose expander, change previously
4558 unnamed pattern into subsi3. Use correct constraints/predicates.
4559 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
4560 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
4562 2006-10-05 Ira Rosen <irar@il.ibm.com>
4564 * doc/loop.texi: Add data references analysis description.
4566 2006-10-04 Brooks Moses <bmoses@stanford.edu>
4568 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
4570 2006-10-04 Richard Henderson <rth@redhat.com>
4571 Jakub Jelinek <jakub@redhat.com>
4573 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
4574 * builtin-types.def (BT_WORD): Make unsigned.
4575 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4576 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4577 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4578 * c-decl.c (grokdeclarator): Don't error if !have_tls.
4579 * c-parser.c (c_parser_omp_threadprivate): Likewise.
4580 * cgraph.c (decide_is_variable_needed): Look at force_output.
4581 Recurse for emulated tls.
4582 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
4583 checks redundant with decide_is_variable_needed.
4584 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
4585 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4587 * expr.c (emutls_var_address): New.
4588 (expand_expr_real_1): Expand emulated tls.
4589 (expand_expr_addr_expr_1): Likewise.
4590 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4591 * output.h (emutls_finish): Declare.
4592 * toplev.c (compile_file): Call it.
4593 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4594 address before wrapping in CONST.
4595 * varasm.c (emutls_htab, emutls_object_type): New.
4596 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4597 (get_emutls_object_name, get_emutls_object_type): New.
4598 (get_emutls_init_templ_addr, emutls_decl): New.
4599 (emutls_common_1, emutls_finish): New.
4600 (assemble_variable): When emulating tls, swap decls; generate
4601 constructor for the emutls objects.
4602 (do_assemble_alias): When emulating tls, swap decl and target name.
4603 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4605 * emutls.c: New file.
4606 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
4607 tls_object for real tls.
4609 2006-10-04 Zack Weinberg <zackw@panix.com>
4611 Fix bug in constraint-check generator, reported by Rask Ingemann
4613 * genpreds.c (add_constraint): Don't remove anything from the
4615 (write_tm_constrs_h): Detect whether "op" argument is used, and
4616 mark it ARG_UNUSED if it isn't.
4617 (write_insn_const_int_ok_for_constraint): Skip the part of the
4618 expression that would test whether "op" (which is not available
4619 here) is a CONST_INT.
4621 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
4624 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
4626 2006-10-03 Geoffrey Keating <geoffk@apple.com>
4628 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
4629 current Leopard versions.
4630 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
4632 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
4634 * doc/install.texi: Fix typos.
4636 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4638 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
4639 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
4640 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
4642 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
4644 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
4645 arg to be struct mach_header_64* instead.
4647 2006-10-02 Jakub Jelinek <jakub@redhat.com>
4650 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
4651 side effects after the outer expression's post side effects.
4653 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
4655 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
4656 comments to reflect actual behavior and relationship between
4657 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
4659 * doc/c-tree.texi (Working with declarations): Fix documentation
4660 of FIELD_DECL likewise.
4662 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
4665 * doc/extend.texi: Add used variable attribute description.
4667 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
4670 * c.opt (Woverride-init): New.
4671 * c-opts.c (c_common_post_options): Default warn_override_init to
4673 * c-typeck.c (add_pending_init, output_init_element): Warn for
4674 overriding initializers without side effects.
4675 * doc/invoke.texi (-Woverride-init): Document.
4678 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
4680 PR rtl-optimization/28096
4681 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
4682 assignment has already been used as a destination earlier in the block.
4684 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
4686 * builtins.c (expand_builtin_setjmp): Delete.
4687 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
4688 <BUILT_IN_SETJMP_SETUP>: New case.
4689 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
4690 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
4691 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
4692 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
4693 (BUILT_IN_SETJMP_RECEIVER): Likewise.
4694 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
4695 (lower_function_body): Initialize it to false. If it is set to true
4696 at the end of the processing, emit the setjmp dispatcher.
4697 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
4698 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
4699 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
4700 on the rhs of the assignment.
4701 (lower_builtin_setjmp): New function.
4702 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
4703 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
4704 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
4705 to detect calls that can go to non-local labels. Use specific
4706 helper to create the abnormal edges associated with them.
4707 <MODIFY_EXPR>: Likewise.
4708 (make_abnormal_goto_edges): New function extracted from...
4709 (make_goto_expr_edges): ...here. Call it for computed gotos.
4710 (simple_goto_p): Minor tweak.
4711 (tree_can_make_abnormal_goto): New predicate.
4712 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
4713 (tree_purge_dead_abnormal_call_edges): New function.
4714 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
4715 (tree_purge_dead_abnormal_call_edges): Likewise.
4716 (make_abnormal_goto_edges): Likewise.
4717 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
4718 Purge all dead abnormal edges if the call was in the last statement.
4719 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
4720 (execute_fixup_cfg): If there are non-local labels in the function,
4721 scan the basic blocks and split them at calls that can go to non-local
4722 labels or add missing abnormal call edges. Write down the CFG in the
4724 (pass_fixup_cfg): Remove TODO_dump_func flag.
4725 * unwind-sjlj.c: Poison setjmp.
4726 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
4727 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
4728 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
4729 (DONT_USE_BUILTIN_SETJMP): Document it.
4731 2006-09-28 Geoffrey Keating <geoffk@apple.com>
4734 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
4735 to 1 when __ppc64__ is defined.
4736 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
4738 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
4740 2006-09-28 Steve Ellcey <sje@cup.hp.com>
4742 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
4743 * config/ia64/unwind-hpux.c: Delete.
4745 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
4747 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
4748 on the element before gimplifying it, instead of punting if it is of
4751 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
4753 * doc/loop.texi: New file.
4754 * doc/gccint.texi: Reference loop.texi.
4755 * Makefile.in (loop.texi): Add.
4757 2006-09-27 Geoffrey Keating <geoffk@apple.com>
4759 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
4761 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4762 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4764 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
4766 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
4768 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
4770 * doc/install.texi: Document required versions of GMP and MPFR.
4772 2006-09-27 Paul Brook <paul@codesourcery.com>
4775 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
4777 2006-09-27 Richard Sandiford <richard@codesourcery.com>
4779 * reload1.c (alter_reg): Require the alignment of the stack slot to
4780 be at least reg_max_ref_width bytes.
4781 (scan_paradoxical_subregs): Record the largest width in
4784 2006-09-26 Jakub Jelinek <jakub@redhat.com>
4788 * tree-nested.c (struct nesting_info): Added static_chain_added.
4789 (convert_call_expr): Set static_chain_added when adding static
4790 chain. Handle OMP_PARALLEL and OMP_SECTION.
4792 2006-09-25 Matthias Klose <doko@debian.org>
4794 * doc/invoke.texi: Add missing full stop.
4796 2006-09-25 Richard Henderson <rth@redhat.com>
4798 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
4799 before cgraph_function_flags_ready.
4801 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
4802 Adam Nemet <anemet@caviumnetworks.com>
4804 * tree-ssa-loop-ivopts.c (aff_combination_convert,
4805 determine_common_wider_type): New functions.
4806 (get_computation_aff): Use them to simplify arithmetic between
4807 UBASE and CBASE if they are shortened from the same type.
4809 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
4812 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
4813 -2147483647 - 1 instead of 0x80000000.
4815 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
4817 * flags.h (HONOR_NANS): Fix typo in comment.
4819 2006-09-23 Uros Bizjak <uros@kss-loka.si>
4821 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
4823 2006-09-23 Jakub Jelinek <jakub@redhat.com>
4827 * tree.c (merge_attributes, attribute_list_contained): If both
4828 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
4830 * c-typeck.c (comptypes_internal): Don't consider aggregates
4831 in different TUs as compatible if there one set of attributes is
4832 not a subset of the other type's attributes.
4833 (composite_type): Try harder not to create a new aggregate type.
4835 2006-09-22 Geoffrey Keating <geoffk@apple.com>
4837 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
4838 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
4839 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
4840 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
4841 than replicating condition above.
4842 * config.host (i[34567]86-*-*): Always use driver-i386.o.
4844 * config/darwin.h (LINK_SYSROOT_SPEC): New.
4845 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
4846 the linker by default.
4848 2006-09-22 Mike Stump <mrs@apple.com>
4850 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
4853 2006-09-22 Richard Guenther <rguenther@suse.de>
4856 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
4857 sort of stack variables stable.
4859 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
4862 * explow.c (force_reg): Set REG_POINTER flag according to
4865 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
4867 PR tree-optimization/28888
4868 * tree-if-conv.c (combine_blocks): Rewritten.
4869 * tree-cfg.c (tree_verify_flow_info): Check that edges with
4870 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
4872 2006-09-22 Jakub Jelinek <jakub@redhat.com>
4874 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
4877 2006-09-21 Richard Sandiford <richard@codesourcery.com>
4879 * varasm.c (copy_constant): Fix reversed gcc_assert check.
4881 2006-09-21 Janis Johnson <janis187@us.ibm.com>
4883 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
4885 2006-09-21 Roger Sayle <roger@eyesopen.com>
4888 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
4889 dw_fde_current_label, to be the start of the function, i.e. the same
4890 value as dw_fde_begin.
4892 2006-09-20 Richard Sandiford <richard@codesourcery.com>
4894 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
4895 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
4896 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
4897 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
4898 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
4899 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
4900 (abs<mode>2, neg<mode>2): Likewise.
4901 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
4902 (*mips_abs_ps): New define_insn.
4904 2006-09-20 Josh Conner <jconner@apple.com>
4907 * calls.c (expand_call): Allow reuse of structure return stack
4910 2006-09-20 Paul Brook <paul@codesourcery.com>
4912 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
4915 2006-09-20 Janis Johnson <janis187@us.ibm.com>
4917 * doc/extend.texi (Decimal Float): Update for latest draft TR,
4918 clean up terminology.
4920 2006-09-20 Steve Ellcey <sje@cup.hp.com>
4923 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
4924 with tablejumps in them.
4926 2006-09-20 Jakub Jelinek <jakub@redhat.com>
4929 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
4930 wrap it into TARGET_EXPR.
4932 2006-09-20 Eric Christopher <echristo@apple.com>
4934 * config/i386/i386.c (x86_fisttp): Remove.
4935 * config/i386/i386.h (x86_fisttp): Ditto.
4936 (TARGET_FISTTP): Ditto.
4938 2006-09-19 Eric Christopher <echristo@apple.com>
4940 * doc/tm.texi (OBJC_JBLEN): Describe.
4941 * config/i386/darwin.h (OBJC_JBLEN): Define.
4942 * config/rs6000/darwin.h: Ditto.
4944 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
4946 PR rtl-optimization/21299
4947 * reload1.c (reload): Purge invalid ASMs in the final pass.
4949 2006-09-19 Steve Ellcey <sje@cup.hp.com>
4952 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
4953 pointers as legitimate constants.
4955 2006-09-19 Paul Brook <paul@codesourcery.com>
4958 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
4960 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
4962 PR tree-optimization/28887
4963 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
4964 component parts from the reference.
4965 (gather_memory_references_ref): Record the reference without the
4966 nonaddressable component parts.
4968 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
4971 * c-opts.c (c_common_handle_option): Ignore the -std options
4972 if the input language is assembly.
4974 2006-09-17 Ira Rosen <irar@il.ibm.com>
4977 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
4979 (ptr_ptr_may_alias_p): Likewise.
4980 (record_record_differ_p): New function.
4981 (base_object_differ_p): Call record_record_differ_p.
4983 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4986 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
4987 away for the expr argument.
4989 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4992 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
4993 before using it for dumping after vectorizing loops.
4995 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4996 Jack Howarth <howarth@bromo.med.uc.edu>
4999 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
5000 skip on error_mark_node.
5001 (rs6000_darwin64_record_arg_recurse): Likewise.
5003 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5005 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
5006 * doc/rtl.texi: Remove related documentation.
5008 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
5010 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
5013 2006-09-15 Jim Wilson <wilson@specifix.com>
5015 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
5016 Handle symbol offsets same as they are handled in ia64_expand_move
5019 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
5021 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
5022 Add forgotten parameter to the fprintf call.
5024 2006-09-15 Steve Ellcey <sje@cup.hp.com>
5026 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
5028 2006-09-15 Uros Bizjak <uros@kss-loka.si>
5030 * doc/contrib.texi: Add my entry.
5032 2006-09-15 Nick Clifton <nickc@redhat.com>
5034 * doc/md.texi (Processor pipeline description): Fix typo in
5035 example of how to use the absence_set directive and reword the
5036 description to make it slightly easier to read.
5038 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
5040 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
5041 * loop-doloop.c (doloop_optimize): Use it to limit costs of
5042 expanding the number of iterations.
5043 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
5045 * cfgrtl.c (emit_insn_at_entry): New function.
5046 * rtl.h (emit_insn_at_entry): Declare it.
5047 * integrate.c (emit_initial_value_sets): Use it.
5049 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
5051 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
5053 (struct loop_work and related VEC declarations): Delete.
5054 (bfin_dump_loops): Print out new member bad.
5055 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
5056 (bfin_scan_loop): Don't recurse.
5057 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
5058 loops. No longer need to update outer loops if the current one is
5059 found bad. Move some validitiy checks to bfin_discover_loop.
5060 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
5061 but changed not to check for nesting. Also changed to use the new bad
5063 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
5064 time. Use bitmap based test to discover loop nesting.
5066 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
5068 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
5071 2006-09-14 Richard Guenther <rguenther@suse.de>
5072 Kazu Hirata <kazu@codesourcery.com>
5074 PR middle-end/28884.
5075 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
5076 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
5077 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
5078 with TARGET_FUNCTION_VALUE.
5080 2006-09-14 Anatoly Sokolov <aesok@post.ru>
5083 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
5085 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
5087 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
5090 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
5093 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
5096 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5098 * basic_block.h (bb_has_eh_pred): Fix comment.
5100 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5102 * flow.c (calculate_global_regs_live): Invalidate eh registers
5103 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
5104 (propagate_block): Handle eh registers as if they were set at basic
5106 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
5108 * global.c (global_conflicts): Make eh registers to conflict with
5109 pseudos live at basic block begin.
5110 * basic_block.h (bb_has_eh_pred): New function.
5112 2006-09-13 Richard Sandiford <richard@codesourcery.com>
5114 PR rtl-optimization/28982
5115 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
5116 index of a PRE_MODIFY or POST_MODIFY address.
5117 * reload1.c (inc_for_reload): Use find_replacement on the original
5118 base and index registers.
5120 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
5122 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
5123 for -Os. Update __m128 alignment requirement.
5125 2006-09-13 Jan Hubicka <jh@suse.cz>
5127 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
5129 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
5131 PR rtl-optimization/28243
5132 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
5133 the insn to which the note was originally attached.
5135 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
5136 Roger Sayle <roger@eyesopen.com>
5138 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
5139 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
5140 on platforms that don't use dwarf for debug info.
5142 2006-09-12 Jason Merrill <jason@redhat.com>
5145 * builtins.c (expand_builtin_setjmp_receiver): Clobber
5146 hard_frame_pointer_rtx after using it to update the frame pointer.
5148 2006-09-12 Roger Sayle <roger@eyesopen.com>
5150 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
5151 (TARGET_ASM_CLOSE_PAREN): Likewise.
5152 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
5153 (TARGET_ASM_CLOSE_PAREN): Likewise.
5155 2006-09-12 Roger Sayle <roger@eyesopen.com>
5158 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
5159 frame information for frames larger than 512 Kbytes on Tru64 when
5160 using the native assembler.
5162 2006-09-12 Roger Sayle <roger@eyesopen.com>
5166 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
5167 and symbols. Instead use the implementation from cse.c's hash_rtx.
5169 2006-09-12 Jan Hubicka <jh@suse.cz>
5171 PR rtl-optimization/28071
5172 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
5173 (vect_transform_loop): Likewise.
5174 * tree-vectorizer.c (new_loop_vec_info): Likewise.
5175 (new_loop_vec_info): Likewise.
5176 (destroy_loop_vec_info): Likewise.
5177 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
5178 (create_stmt_ann): Likewise.
5179 (create_tree_ann): Rename to ...
5180 (create_tree_common_ann): ... this one; allocate only the common part
5182 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
5183 (get_value_handle): Likewise.
5184 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
5185 get_tree_common_ann.
5186 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
5187 (vinfo_for_stmt): Use stmt annotations.
5188 * tree-flow.h (tree_ann_common_t): New type.
5189 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
5190 (tree_ann, get_tree_ann, create_tree_ann): New.
5191 * tree-flow-inline.h (get_function_ann): Do more type checking.
5192 (stmt_ann): Likewise.
5193 (tree_ann): Rename to ...
5194 (tree_common_ann): ... this one; return ony common_ann
5195 (get_tree_ann): Rename to ...
5196 (tree_common_ann): This one; return only common_ann.
5197 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
5200 2006-09-11 Geoffrey Keating <geoffk@apple.com>
5202 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
5203 with_cpu by default.
5205 * dwarf2out.c (dwarf_file_data): New.
5206 (enum dw_val_class): Add dw_val_class_file.
5207 (struct dw_val_struct): Add val_file.
5208 (file_table): Change to a hash table.
5209 (file_table_emitted): Delete.
5210 (file_table_last_lookup_index): Delete.
5211 (emitcount): Delete.
5212 (last_emitted_file): New.
5213 (lookup_filename): Change prototype to return a struct dwarf_file_data.
5214 (init_file_table): Delete.
5215 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
5216 (AT_addr): Add comment.
5220 (print_die): Handle dw_val_class_file.
5221 (print_dwarf_line_table): Update for new file table structure.
5222 (attr_checksum): Do checksum a filename.
5223 (same_dw_val_p, same_attr_p): Do compare a filename.
5224 (size_of_die): Handle dw_val_class_file.
5225 (value_format): Likewise.
5226 (output_die): Likewise. Also, call maybe_emit_file here.
5227 (struct file_info): Constify filenames. Make file_idx a pointer
5228 to a struct dwarf_file_data.
5229 (struct dir_info): Constify directory names. Remove 'used' field.
5230 (struct file_name_acquire_data): New.
5231 (file_name_acquire): New.
5232 (output_file_names): Modify to handle new file data structures.
5233 (add_src_coords_attributes): Use add_AT_file.
5234 (add_call_src_coords_attributes): Likewise.
5235 (dwarf2out_imported_module_or_decl): Likewise.
5236 (gen_subprogram_die): Modify for new file data structures.
5237 (gen_variable_die): Likewise.
5238 (file_table_eq): New.
5239 (file_table_hash): New.
5240 (file_table_last_lookup): New.
5241 (lookup_filename): Rewrite to handle new file data structures.
5242 (maybe_emit_file): Rewrite to handle new file data structures.
5243 (dwarf2out_source_line): Always call lookup_filename and
5245 (dwarf2out_init): Create file_table here.
5246 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
5247 (file_table_relative_p): New.
5248 (dwarf2out_finish): Change detection of relative filenames
5249 to work with new file data structures. Move output_line_info call
5250 after debug_info output.
5252 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
5257 * config/i386/i386.c (override_options): Always default to 16
5258 byte stack boundary.
5260 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
5263 * var-tracking.c (dump_dataflow_set): Start dumping at
5265 (clobber_variable_part): Kill only the variable part in
5266 registers holding it, leaving other variables alone.
5268 2006-09-11 Josh Triplett <josh@freedesktop.org>
5270 * doc/extend.texi (Other Builtins): Actually use the macro
5271 argument in the documentation example for
5272 __builtin_types_compatible_p.
5274 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5276 PR rtl-optimization/28726
5277 * sched-deps.c (sched_analyze_reg): New function extracted from...
5278 (sched_analyze_1): ...here. Call it to analyze references to
5279 registers. Treat again writes to a stack register as writing to the
5281 (sched_analyze_2): ...and here. Call it to analyze references to
5282 registers. Treat again reads of a stack register as reading the
5285 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
5286 David Edelsohn <edelsohn@gnu.org>
5289 * config/rs6000/spe.md (frob_df_di): Remove %H.
5290 (frob_di_df): Remove %H. Change evmergelo to mr.
5291 (frob_di_df_2): Remove %H. Change evldd to two loads.
5293 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
5295 * doc/cpp.texi: Fix names of charset options.
5297 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
5300 * config/i386/i386.c (override_options): Use 128-bit
5301 stack boundary always for 64bits.
5303 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5305 PR rtl-optimization/28636
5306 * combine.c (force_to_mode): Test for side-effects before
5307 substituting by zero.
5308 (simplify_shift_const): Likewise for zero or other constants.
5310 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
5313 * builtins.c (expand_builtin_setjmp): Force next_lab to be
5316 2006-09-10 Richard Sandiford <richard@codesourcery.com>
5319 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
5320 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
5321 returned by mode_for_size, rather than the mode of src itself,
5322 to choose between 32-bit and 64-bit patterns.
5323 (mips_mem_fits_mode_p): New function.
5324 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
5325 that the size of the source matches the size of the destination.
5326 (mov_<store>l, mov_<store>r): Likewise.
5328 2006-09-10 Eric Christopher <echristo@apple.com>
5330 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
5333 2006-09-09 Eric Christopher <echristo@apple.com>
5336 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
5339 2006-09-09 Roger Sayle <roger@eyesopen.com>
5340 Nicolas Setton <setton@adacore.com>
5342 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
5344 2006-09-10 Andreas Schwab <schwab@suse.de>
5346 * config/m68k/m68k.md (bungt_rev): New pattern.
5348 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
5349 Dale Johannesen <dalej@apple.com>
5352 * regclass.c (struct reg_pref): Update documentation.
5353 (regclass): Set prefclass to NO_REGS if memory is the best option.
5354 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5356 2006-09-08 Eric Christopher <echristo@apple.com>
5358 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
5359 * config/t-slibgcc-darwin: Support x86_64 multilib.
5360 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
5361 Return 1 for x86_64-darwin.
5362 * config/i386/t-darwin: Add m64 multilib.
5363 (LIB2_SIDITI_CONV_FUNCS): Use.
5364 (LIB2FUNCS_EXTRA): Ditto.
5365 * config/i386/darwin.h: Support x86_64.
5366 * config/i386/i386.c (override_options): Turn on flag_pic
5367 for x86_64-darwin. Disable flag_omit_pointer.
5368 (get_pc_thunk_name): Assert !TARGET_64BIT.
5369 (legitimate_address_p): Disable machopic addressing for
5371 (legitimize_pic_address): Ditto.
5372 (ix86_expand_move): Ditto.
5373 (ix86_expand_call): Ditto.
5374 (machopic_output_stub): Ditto.
5375 * config/darwin.c (machopic_select_section): Support literal16.
5376 (machopic_select_rtx_section): Ditto.
5377 * config/darwin-sections.def: Ditto.
5378 * config/darwin-64.c: New.
5380 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
5383 * c-tree.h (struct c_arg_info): Add pending_sizes.
5384 * c-parser.c (c_parser_parms_declarator,
5385 c_parser_parms_list_declarator): Initialize pending_sizes.
5386 * c-decl.c (get_parm_info): Initialize pending_sizes.
5387 (get_parm_info): Set pending_sizes.
5388 (grokdeclarator): Call put_pending_sizes for parameters for
5389 function definition only.
5391 2006-09-07 Jason Merrill <jason@redhat.com>
5394 * varasm.c (output_constant): Only strip actual no-op conversions.
5397 * config/i386/i386.c (override_options): Use 128-bit
5398 stack boundary if -msse.
5400 2006-09-07 Eric Christopher <echristo@apple.com>
5402 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
5404 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
5407 2006-09-07 Geoffrey Keating <geoffk@apple.com>
5409 * dwarf2out.c: Remove strange characters from comment above
5410 dwarf2out_frame_debug_expr.
5412 2006-09-07 Eric Christopher <echristo@apple.com>
5414 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
5415 * config/darwin.h: ... to here.
5417 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
5419 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
5421 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
5422 (TARGET_PARTIAL_FLAG_REG_STALL): New.
5424 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
5425 TARGET_PARTIAL_FLAG_REG_STALL.
5426 (*ashldi3_cconly_rex64): Likewise.
5427 (*ashlsi3_cmp): Likewise.
5428 (*ashlsi3_cconly): Likewise.
5429 (*ashlsi3_cmp_zext): Likewise.
5430 (*ashlhi3_cmp): Likewise.
5431 (*ashlhi3_cconly): Likewise.
5432 (*ashlqi3_cmp): Likewise.
5433 (*ashlqi3_cconly): Likewise.
5434 (*ashrdi3_cmp_rex64): Likewise.
5435 (*ashrdi3_cconly_rex64): Likewise.
5436 (*ashrsi3_cmp): Likewise.
5437 (*ashrsi3_cconly): Likewise.
5438 (*ashrsi3_cmp_zext): Likewise.
5439 (*ashrhi3_cmp): Likewise.
5440 (*ashrhi3_cconly): Likewise.
5441 (*ashrqi3_cmp): Likewise.
5442 (*ashrqi3_cconly): Likewise.
5443 (*lshrdi3_cmp_rex64): Likewise.
5444 (*lshrdi3_cconly_rex64): Likewise.
5445 (*lshrsi3_cmp): Likewise.
5446 (*lshrsi3_cconly): Likewise.
5447 (*lshrsi3_cmp_zext): Likewise.
5448 (*lshrhi3_cmp): Likewise.
5449 (*lshrhi3_cconly): Likewise.
5450 (*lshrqi2_cmp): Likewise.
5451 (*lshrqi2_cconly): Likewise.
5453 2006-09-07 Uros Bizjak <uros@kss-loka.si>
5456 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
5457 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
5458 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
5459 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
5460 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
5461 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
5462 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
5463 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
5464 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
5465 implement only CC setting effects of shift instructions.
5467 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
5469 * doc/contrib.texi: Add myself.
5471 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
5474 * stor-layout.c (relayout_decl): Don't zero the alignment if it
5475 was set by the user.
5477 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
5480 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
5481 (divsi_inv_m1): Use them.
5482 (UNSPEC_DIV_INV_TABLE): New constant.
5484 2006-09-06 James E Wilson <wilson@specifix.com>
5487 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
5488 then call count_or_remove_death_notes.
5490 2006-09-06 Jason Merrill <jason@redhat.com>
5493 * tree-inline.c (copy_result_decl_to_var): New fn.
5494 (declare_return_variable): Use it. Call declare_inline_vars here.
5495 (expand_call_inline): Not here.
5497 2006-09-06 Diego Novillo <dnovillo@redhat.com>
5499 * doc/contrib.texi: Update my entry.
5501 2006-09-06 Nick Clifton <nickc@redhat.com>
5503 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
5505 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5508 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
5509 (canonicalize_induction_variables): Likewise.
5510 (tree_unroll_loops_completely): Likewise.
5511 (tree_ssa_prefetch_arrays): Likewise.
5512 (remove_empty_loops): Likewise.
5513 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
5514 TODO_cleanup_cfg instead of directly calling
5515 cleanup_tree_cfg_loop.
5516 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
5518 (tree_unroll_loops_completely): Likewise.
5519 (remove_empty_loops): Likewise.
5520 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
5521 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
5522 of tree_ssa_unswitch_loops.
5523 (tree_ssa_loop_ivcanon): Use the return value of
5524 canonicalize_induction_variables.
5525 (tree_ssa_empty_loop): Use the return value of
5527 (tree_complete_unroll): Use the return value of
5528 tree_unroll_loops_completely.
5529 (tree_ssa_loop_prefetch): Use the return value of
5530 tree_ssa_prefetch_arrays.
5531 * passes.c (execute_todo): Before Cleanup CFG, set
5532 updating_used_alone and after cleanup CFG, call
5533 recalculate_used_alone.
5535 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5538 * tree-vect-transform.c (vectorizable_condition): Move the check
5539 for the type after the check for simple condition.
5541 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
5542 Kaz Kojima <kkojima@gcc.gnu.org>
5545 * mode-switching.c (optimize_mode_switching): Make the destination
5546 block of an abnormal edge have no anticipatable mode. Don't
5547 insert mode switching code at the end of the source block of
5550 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
5552 PR rtl-optimization/26847
5553 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
5554 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
5555 (simplify_plus_minus): Count n_constants while filling ops. Replace
5556 qsort with insertion sort. Before going through the array to simplify
5557 pairs, sort it. Delay early exit until after the first sort, exiting
5558 only if no swaps occurred. Simplify pairs in reversed order, without
5559 special-casing the first iteration. Pack ops after simplifying pairs.
5561 2006-09-05 Anatoly Sokolov <aesok@post.ru>
5563 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
5564 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5565 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5566 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
5568 2006-09-05 Richard Guenther <rguenther@suse.de>
5570 PR tree-optimization/28900
5571 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
5572 compound conditional before creating COND_EXPR condition.
5574 2006-09-05 Richard Guenther <rguenther@suse.de>
5576 PR tree-optimization/28905
5577 * tree-vrp.c (fix_equivalence_set): Manually implement
5578 !value_ranges_intersect_p to also handle symbolic ranges.
5580 2006-09-05 Richard Guenther <rguenther@suse.de>
5583 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
5586 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5588 PR rtl-optimization/27616
5589 * cse.c (table_size): New static variable.
5590 (new_basic_block): Initialize it to 0.
5591 (remove_from_table): Decrement it.
5592 (insert): Increment it.
5593 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
5594 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
5595 fold_rtx_mem_1 if under the cap.
5596 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
5597 the lookup of the equivalent expression and test for equality of the
5598 first operand of the equivalent expression before in turn looking up
5599 an equivalent constant for the second operand.
5601 2006-09-02 Geoffrey Keating <geoffk@apple.com>
5604 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5605 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5606 pointer, instead of assuming it is possible to derive the
5607 correct args size from a call insn.
5609 2006-09-02 Jakub Jelinek <jakub@redhat.com>
5612 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
5613 (fold_builtin_mempcpy): Rename to...
5614 (fold_builtin_memory_op): ... this. Optimize one element copy
5616 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
5618 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
5619 (expand_builtin_memcpy, expand_builtin_mempcpy,
5620 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
5621 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
5622 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
5623 BUILT_IN_MEM{CPY,PCPY,MOVE}.
5625 2006-09-01 DJ Delorie <dj@redhat.com>
5627 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
5628 (stzx_16): Likewise.
5629 ("stzx_24_<mode>"): Likewise.
5630 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
5631 ("cmp<mode>_op"): New.
5632 (cmp<mode>): Change to expander; just save operands.
5634 (b<code>): Change to expander, emit compare here.
5635 (s<code>_op): Change to use split and expander.
5636 (s<code>_24_op): Likewise.
5637 (s<code>_<mode>): New.
5638 (s<code>_<mode>_24): New.
5639 (movqicc_<code>_<mode): New.
5640 (movhicc_<code>_<mode>): New.
5643 * config/m32c/m32c.c (compare_op0, compare_op1): New.
5644 (m32c_pend_compare): New.
5645 (m32c_unpend_compare): New.
5646 (m32c_expand_scc): New.
5647 (m32c_expand_movcc): Emit the compare also.
5648 * config/m32c/predicates.md (mra_nopp_operand): New.
5650 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
5651 Richard Guenther <rguenther@suse.de>
5652 Adam Nemet <anemet@caviumnetworks.com>
5655 * builtins.c (get_pointer_alignment): Handle more forms
5656 of base addresses that can be used to derive more precise
5657 information about alignment.
5659 2006-09-01 Jason Merrill <jason@redhat.com>
5662 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
5665 * gimplify.c (voidify_wrapper_expr): Handle null type.
5667 2006-09-01 Josh Conner <jconner@apple.com>
5670 * tree-nrv.c (dest_safe_for_nrv_p): New function.
5671 (execute_return_slot_opt): Use it.
5673 2006-08-31 Josh Conner <jconner@apple.com>
5676 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
5677 returning aggregates.
5679 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
5681 PR tree-optimization/28839
5682 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
5683 blocks in that phi arguments appear.
5685 2006-08-31 Roger Sayle <roger@eyesopen.com>
5688 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
5689 NULL, otherwise use an advance_loc4 to adjust relative to the
5691 (output_cfi) <DW_CFA_set_loc>: Update the current label.
5692 (dwarf2out_switch_text_section): Reset the current label to avoid
5693 using advance_loc4 over section boundaries.
5695 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
5698 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
5699 r12 + SYMBOLIC_CONST.
5701 2006-08-30 Richard Guenther <rguenther@suse.de>
5703 * Makefile.in (see.o): Add $(EXPR_H) dependency.
5705 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
5707 PR rtl-optimization/27735
5708 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
5709 Add new argument to keep track of whether an irreducible region
5710 was affected. All callers changed.
5711 (fix_irreducible_loops): Removed.
5712 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
5713 flags were invalidated.
5715 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
5717 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
5718 instead of SF operands.
5719 (*fop_df_comm_sse): Likewise.
5720 (*fop_df_comm_i387): Likewise.
5721 (*fop_df_1_mixed): Likewise.
5722 (*fop_df_1_sse): Likewise.
5724 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
5725 J"orn Rennecke <joern.rennecke@st.com>
5727 PR tree-optimization/17506
5728 * tree-ssa.c (warn_uninit): If warning about a location outside of
5729 the current function, note where the variable was declared.
5731 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
5733 PR tree-optimization/28411
5734 * double-int.c (double_int_div): Use double_int_divmod.
5735 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
5736 double_int_mod, double_int_smod, double_int_umod): New functions.
5737 * double-int.h (double_int_divmod, double_int_sdivmod,
5738 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
5740 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
5742 (get_computation_aff, get_computation_cost_at): Handle double_int
5743 return type of constant_multiple_of.
5745 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
5748 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
5749 an implicit conversion.
5751 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
5753 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
5755 2006-08-27 Roger Sayle <roger@eyesopen.com>
5757 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
5760 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
5762 * config/i386/crtfastmath.c: Fix a comment typo.
5764 2006-08-26 Roger Sayle <roger@eyesopen.com>
5766 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
5767 temporary visit flags on CASE_LABEL_EXPRs.
5768 * c-common.c (match_case_to_enum): Add function comment. Avoid
5769 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
5770 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
5771 CASE_HIGH_SEEN for enumerated types. If the switch expression is
5772 a constant, only warn if that constant value isn't handled.
5774 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
5777 * input.h (restore_input_file_stack): Declare.
5778 (INPUT_FILE_STACK_BITS): Define.
5779 * toplev.c (fs_p, input_file_stack_history,
5780 input_file_stack_restored, restore_input_file_stack): New.
5781 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
5782 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
5783 (pop_srcloc): Don't free old state of stack.
5785 2006-08-26 David Edelsohn <edelsohn@gnu.org>
5788 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
5789 (PowerPC Type Attributes): New.
5791 2006-08-26 Bob Wilson <bob.wilson@acm.org>
5793 * config/xtensa/xtensa.c (function_arg_boundary): New.
5794 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
5796 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
5797 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
5799 2006-08-26 Jakub Jelinek <jakub@redhat.com>
5802 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
5805 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5807 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
5808 (verify_local_live_at_start): Likewise.
5810 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5813 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
5814 omp_add_variable): Treat sizes as variable whenever not
5817 2006-08-26 Richard Guenther <rguenther@suse.de>
5820 * fold-const.c (fold_binary): Fold temporary to correct
5821 type before constructing new comparison.
5823 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
5826 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
5827 variable again if DECL_SEEN_IN_BIND_EXPR_P.
5829 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5832 * c-decl.c (start_function): Don't try to process prototype
5833 information from old declaration that isn't a function.
5835 2006-08-25 Jan Hubicka <jh@suse.cz>
5838 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
5840 2006-08-25 Alan Modra <amodra@bigpond.net.au>
5843 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
5846 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
5848 PR tree-optimization/16876
5849 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
5850 exit if PARM doesn't match VALUE.
5852 2006-08-25 Bob Wilson <bob.wilson@acm.org>
5854 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
5855 literal_prefix directive.
5856 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
5857 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5858 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5860 2006-08-25 David Edelsohn <edelsohn@gnu.org>
5863 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
5864 predicate to general_operand. Add 0->y and I->r alternatives.
5866 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
5868 * doc/tm.texi: Fix a typo.
5869 * predict.c: Fix comment typos.
5871 2006-08-25 Nick Clifton <nickc@redhat.com>
5873 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
5874 assertions of "cpu" and "machine".
5876 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
5879 * tree-ssa-operands.c (access_can_touch_variable): Don't say
5880 the access through a base which has an alias set of 0 cannot
5883 2006-08-24 Bill Wendling <wendling@apple.com>
5885 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
5887 2006-08-24 Jan Hubicka <jh@suse.cz>
5889 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
5891 2006-08-24 Jan Hubicka <jh@suse.cz>
5894 * cgraph.c: Fix comments.
5895 (cgraph_varpool_mark_needed_node): Mark only variables not already
5897 * cgraphunit.c: Update comments; include gt-cgraphunit.h
5898 (cgraph_varpool_assembled_nodes_queue): New static variable.
5899 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
5900 (cgraph_varpool_output_debug_info): New function.
5901 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
5902 * Makefile.in: Add gt-cgraphunit.h
5904 2006-08-24 Jan Hubicka <jh@suse.cz>
5906 * predict.c (probability_reliable_p): New predicate.
5907 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
5908 (predict_loops): Do not predict loop exit with less than 2%
5910 * basic-block.h (edge_probability_reliable_p,
5911 br_prob_note_reliable_p): Declare.
5912 * ia64.h (ia64_print_operand): Do not disable on-chip branch
5913 prediction when static predictor is not reliable.
5914 * rs6000.c (output_cbranch): Likewise.
5916 2006-08-23 Stuart Hastings <stuart@apple.com>
5919 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
5920 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
5922 2006-08-21 Geoffrey Keating <geoffk@apple.com>
5925 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
5926 complex values, nor for generic vector values.
5928 2006-08-22 Richard Guenther <rguenther@suse.de>
5931 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
5932 parameter. Convert arguments to arithmetic expression to the
5934 (analyze_scalar_evolution_1): Adjust caller.
5936 2006-08-22 Jan Hubicka <jh@suse.cz>
5938 Patch by Paolo Bonzini
5939 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
5942 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
5944 PR tree-optimization/28003
5945 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
5946 before grouping aliases.
5948 2006-08-22 Roger Sayle <roger@eyesopen.com>
5950 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
5951 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
5953 2006-08-21 Jason Merrill <jason@redhat.com>
5956 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
5957 wrapper. Loop to handle nested wrappers.
5958 (gimplify_bind_expr): Remove temp parameter.
5959 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
5960 and STATEMENT_LIST on the rhs.
5961 (gimplify_statement_list): Voidify the STATEMENT_LIST.
5962 (gimplify_expr): Pass pre_p to gimplify_statement_list.
5963 (gimplify_target_expr): Remove special BIND_EXPR handling.
5965 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
5967 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
5970 2006-08-21 Olivier Hainque <hainque@adacore.com>
5972 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
5973 Arrange for the temporary captures of components overlapping the lhs
5974 to happen before the lhs is possibly cleared.
5976 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
5978 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
5979 necessary places to pass the correct "number of registers" values
5982 2006-08-20 Jan Hubicka <jh@suse.cz>
5984 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
5985 (create_name_tags): Instead of quadratic checking use hashtable.
5986 * bitmap.h: Include hashtab.h.
5987 (bitmap_hash): Declare.
5988 * bitmap.c (bitmap_hash): New function.
5990 2006-08-20 Jan Hubicka <jh@suse.cz>
5992 PR rtl-optimization/28071
5993 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
5995 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
5996 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
5997 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
5998 cgraph_decide_inlining_incrementally): Update use of
5999 cgraph_check_inline_limits.
6000 * cgraph.c (edge_hash, edge_eq): New function.
6001 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
6002 cgraph_edge_remove_caller, cgraph_node_remove_callees,
6003 cgraph_remove_node): Maintain call site hash.
6004 * cgraph.h (struct cgraph_node): Add call_site_hash.
6005 (cgraph_set_call_stmt): New function.
6007 2006-08-20 Jan Hubicka <jh@suse.cz>
6009 PR rtl-optimization/28071
6010 * reload1.c (reg_has_output_reload): Turn into regset.
6011 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
6012 choose_reload_regs, emit_reload_insns): Update to new
6013 reg_has_output_reload.
6015 2006-08-20 Jan Hubicka <jh@suse.cz>
6018 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
6019 function body sizes.
6020 * cgraphunit.c (cgraph_analyze_function): Don't do so.
6022 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
6025 * tree.c (handle_dll_attribute): Return early if not a
6026 var or function decl.
6028 2006-08-18 Joseph Myers <joseph@codesourcery.com>
6031 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
6032 alignment of SPE vector types.
6034 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
6036 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
6038 2006-08-17 Jakub Jelinek <jakub@redhat.com>
6041 * cgraph.h (struct cgraph_node): Remove externally_visible
6043 * cgraphunit.c (process_function_and_variable_attributes): Set
6044 local.externally_visible rather than externally_visible.
6047 * c-common.c (handle_externally_visible_attribute): First look
6048 at TREE_CODE and only if it is function or var decl, check for
6049 non-public objects. Don't warn for DECL_EXTERNAL.
6050 * cgraphunit.c (process_function_and_variable_attributes): Warn
6051 if externally_visible attribute is used on non-public object.
6053 2006-08-17 Jan Hubicka <jh@suse.cz>
6055 PR tree-optimization/27865
6056 * reload1.c (forget_marked_reloads): New function.
6057 (forget_old_reloads_1): When data are passed, just mark the registers
6059 (reload_as_needed): Use the new mechanizm.
6061 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
6064 * reload.h (reg_equiv_alt_mem_list): New declaration.
6065 * reload1.c (reg_equiv_alt_mem_list): New definition.
6066 (reload): Initialize it and release it.
6067 (delete_output_reload): Use it.
6068 * reload.c (push_reg_equiv_alt_mem): New function.
6069 (find_reloads_toplev): Call it.
6070 (find_reloads_address, find_reloads_address_1): Likewise.
6071 (find_reloads_subreg_address): Likewise.
6073 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6075 PR rtl-optimization/28489
6076 * sched-ebb.c (begin_schedule_ready): Create basic block
6078 (advance_target_bb): Skip empty blocks.
6079 * haifa-sched.c (bb_note): Make global.
6080 * sched-int.h (bb_note): Add prototype.
6082 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6084 PR tree-optimization/27865
6085 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
6087 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
6088 fold_used_pointer, pointer_used_p): New functions.
6089 (analyze_scalar_evolution_1): Use fold_used_pointer.
6090 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
6091 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
6094 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
6097 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
6098 or the INTEGER_CST. Fail on a CALL_EXPR.
6099 (fold_offsetof): Pass new argument to fold_offsetof_1.
6100 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
6101 operand into an INDIRECT_REF.
6102 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
6104 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6106 PR gcov/profile/26570
6107 * value-prof.c (static_values): Removed.
6108 (tree_find_values_to_profile): Do not set static_values.
6109 (find_values_to_profile): Do not free static_values.
6110 * profile.c (instrument_values): Do not free the values.
6111 (branch_prob): Free the values.
6113 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
6115 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
6117 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
6120 * c-typeck.c (build_component_ref): Combine qualifiers of
6121 structure or union and field.
6123 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6125 PR rtl-optimization/28071
6126 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
6127 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
6128 * tree-into-ssa.c (struct dom_dfsnum): New.
6129 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
6131 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
6132 compute_global_livein.
6133 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
6134 in phi nodes in the correct blocks.
6136 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6138 PR tree-optimization/28364
6139 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
6141 (fold_affine_expr): New function.
6142 (may_eliminate_iv): Use fold_affine_expr.
6144 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6147 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
6150 2006-08-16 Mike Stump <mrs@apple.com>
6152 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
6153 * doc/cppopts.texi (-MD): Likewise.
6155 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
6158 * c-common.c (handle_weak_attribute): Ignore and warn if
6159 not a FUNCTION_ or VAR_DECL.
6161 2006-07-15 Mike Stump <mrs@apple.com>
6164 * c-parser.c (c_parser_typeof_specifier): Don't use
6165 c_finish_expr_stmt, open code desired semantics instead.
6167 2006-08-15 Nick Clifton <nickc@redhat.com>
6169 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
6170 fragment to tmake_file only if threads are enabled.
6171 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
6172 * config/i386/t-gthr-win32: New file. ... here.
6174 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6177 * c-parser.c (c_parser_compound_statement_nostart): Reset
6178 parser->error after each statement.
6180 2006-08-15 Jakub Jelinek <jakub@redhat.com>
6183 * omp-low.c (lower_omp_parallel): Convert t to
6184 receiver_decl's type.
6185 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
6186 source before comparison.
6189 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
6190 to itype in assignment to oldival2.
6192 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
6196 * c-typeck.c (build_compound_expr): If the second expression
6197 is an error mark, then just return an error mark instead of
6198 creating a COMPOUND_EXPR.
6200 2006-07-14 Mike Stump <mrs@apple.com>
6202 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
6204 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
6206 * c-decl.c, var-tracking.c: Fix comment typos.
6208 2006-08-14 Richard Sandiford <richard@codesourcery.com>
6210 PR rtl-optimization/28634
6211 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
6212 for floating-point modes unless flag_unsafe_math_optimizations.
6214 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
6215 Andrew Pinski <pinskia@physics.uc.edu>
6218 * tree.c (build_array_type): Unify array types with
6219 unspecified index_type.
6220 * c-decl.c (grokdeclarator): Make sure we do not modify a
6221 unified incomplete array type.
6222 * c-typeck.c (store_init_value): Create distinct type before
6223 filling in the index type in an initializer from a compound
6226 * c-decl.c (grokdeclarator): Remove code where we copy the
6229 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
6231 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
6232 into account for TODO_dump_cgraph.
6233 (TODO_update_ssa_no_phi): Likewise.
6234 (TODO_update_ssa_full_phi): Likewise.
6235 (TODO_update_ssa_only_virtuals): Likewise.
6236 (TODO_remove_unused_locals): Likewise.
6237 (TODO_set_props): Likewise.
6238 (TODO_update_stmt_usage): Likewise.
6240 2006-08-13 Dirk Mueller <dmueller@suse.de>
6242 * c-common.c (strict_aliasing_warning): Fix formatting.
6244 2006-08-13 Matthias Klose <doko@debian.org>
6246 * doc/invoke.texi: Fix spelling errors.
6248 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6250 PR rtl-optimization/23454
6251 * reorg.c (relax_delay_slots): Update comment.
6253 2006-08-11 Richard Guenther <rguenther@suse.de>
6256 * simplify-rtx.c (simplify_const_relational_operation):
6257 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
6260 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
6262 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
6263 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
6265 2006-08-10 Paul Brook <paul@codesourcery.com>
6267 * final.c (final_scan_insn): Clear current_insn_predicate before
6268 outputting inline asm.
6270 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
6272 PR tree-optimization/26197
6273 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
6274 get_ref_base_and_extent and overlap_subvar to add only relevant
6275 subvars as may-aliases.
6276 (add_may_alias_for_new_tag): New function, factored out of
6278 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
6279 with additional argument.
6280 * tree-flow.h (new_type_alias): Takes additional argument.
6282 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
6284 * gcov.c (no_data_file): New flag.
6285 (read_count_file): Set it if data file not present. Assume counts
6287 (output_lines): Don't name the data file, if there wasn't one.
6289 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
6291 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
6292 (rs6000_generate_compare): Tweak comments.
6293 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
6295 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
6297 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
6298 (var_debug_decl): New function.
6299 (var_reg_set): Follow debug decl link. Add location even if
6300 reg is already known to hold some other variable.
6301 (var_mem_set): Follow debug decl link.
6302 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
6303 decl link. Delete other known locations of the variable part
6305 (var_reg_delete, var_mem_delete): Delete other known locations
6306 of the variable part if requested.
6307 (same_variable_part_p): New function.
6308 (add_stores): Select MO_COPY when appropriate.
6309 (vt_initialize): Handle it.
6310 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
6311 known locations for MO_SET and MO_CLOBBER.
6312 (find_variable_location_part): New function.
6313 (set_variable_part, delete_variable_part): Use it.
6314 (clobber_variable_part): New function.
6315 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
6318 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
6320 PR tree-optimization/26969
6321 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
6322 with an empty list of PHIs.
6324 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
6328 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
6331 2006-08-06 Andreas Schwab <schwab@suse.de>
6333 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
6334 string. Whitespace and comment fixup.
6336 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6339 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
6343 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
6346 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
6348 2006-08-04 Jan Hubicka <jh@suse.cz>
6352 * reload.c (push_reload): Patch out the mismatching instruction;
6354 (find_reload): Bail out if the instruction was patched out.
6356 2006-08-04 Jan Hubicka <jh@suse.cz>
6358 PR tree-optimization/24888
6359 * tree-inline.c (expand_call_inline): Do not re-record variables.
6360 (declare_inline_vars): Add variable to unexpanded_var_list.
6362 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6363 Roger Sayle <roger@eyesopen.com>
6365 PR rtl-optimization/26244
6366 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
6367 inner_const are negative or greater than or equal to the bitsize of
6368 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
6369 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
6370 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
6371 CONST0_RTX (mode) when the new shift count is greater than or equal to
6372 to the bitsize of the object being shifted and XEXP (y, 0) has no side
6375 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
6377 * tree-cfg.c: Fix a comment typo.
6379 2006-08-03 Mark Mitchell <mark@codesourcery.com>
6382 * varasm.c (output_constant): Give the front end another chance to
6383 expand constants, after stripping NOPs.
6385 2006-08-03 Jan Hubicka <jh@suse.cz>
6387 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
6390 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
6392 PR tree-optimization/27770
6393 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
6394 declaration removed (moved to tree-flow.h).
6395 (vect_can_force_dr_alignment_p): Likewise.
6396 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
6397 (moved from tree-vectorizer.h).
6398 (vect_can_force_dr_alignment_p): Likewise.
6399 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
6400 from outside the vectorizer - in particular from cgraph stage.
6401 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
6402 the alignment of global arrays when -fsection-anchors is enabled.
6403 * cgraphunit.c (cgraph_increase_alignment): New function.
6404 (cgraph_optimize): Call cgraph_increase_alignment.
6406 2006-08-03 David Edelsohn <edelsohn@gnu.org>
6409 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
6410 not reload a SPE symbol_ref into a lo_sum address.
6412 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
6415 * dwarf2out.c (prune_unused_types_prune): Move call to
6416 prune_unused_types_update_strings to cover the parent DIE also.
6418 2006-08-02 Jan Hubicka <jh@suse.cz>
6420 PR gcov/profile/28480
6421 * tree-cfg.c (change_bb_for_stmt): New function.
6422 (tree_merge_blocks, tree_split_blocks): Use it.
6424 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6430 * toplev.c (compile_file): Return early on errorcount or sorrycount.
6431 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
6432 (cgraph_optimize): Likewise.
6434 2006-08-01 Stuart Hastings <stuart@apple.com>
6436 * rtl.h (UINTVAL) New.
6437 * config/rs6000/rs6000.c (SMALL_INT) Use it.
6438 * testsuite/gcc.dg/20060801-1.c: New.
6440 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
6443 * c-typeck.c (build_external_type): Mark used enum types.
6444 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
6446 (gen_subprogram_die): Whitespace fix.
6448 2006-08-01 Jan Hubicka <jh@suse.cz>
6450 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
6451 bitmap when not needed.
6452 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
6455 2006-08-01 Dirk Mueller <dmueller@suse.de>
6457 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
6459 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6461 * Makefile.in: Revert part of previous patch:
6462 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
6465 2006-07-30 Eric Christopher <echristo@apple.com>
6468 * doc/extend.texi (i386 Variable Attributes): Add anchor.
6469 (PowerPC Variable Attributes): New section.
6471 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
6473 PR target/28126 (partial fix)
6474 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
6476 2006-07-28 Jan Hubicka <jh@suse.cz>
6478 PR rtl-optimization/28071
6479 * cfgrtl.c (rtl_delete_block): Free regsets.
6480 * flow.c (allocate_bb_life_data): Re-use regsets if available.
6482 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6484 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
6485 and variables used in dependencies.
6487 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
6489 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
6490 %fs for -mcmodel=kernel.
6491 (stack_tls_protect_test_di): Likewise.
6493 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
6495 * Makefile.in: Use mkinstalldirs.
6497 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
6500 * opts-common.c (prune_options): Skip joined switches.
6502 2006-07-27 Jan Hubicka <jh@suse.cz>
6504 PR rtl-optimization/28071
6505 * cselib.c (cselib_process_insn): Don't remove useless values too
6506 often for very large hashtables.
6508 2006-07-27 Jan Hubicka <jh@suse.cz>
6510 PR rtl-optimization/28071
6511 * global.c (greg_obstack): New obstack.
6512 (allocate_bb_info): Use it.
6513 (free_bb_info): Likewise.
6514 (modify_reg_pav): Likewise.
6516 2006-07-27 Roger Sayle <roger@eyesopen.com>
6518 * builtins.c (fold_fixed_mathfn): When long and long long are the
6519 same size, canonicalize llceil*, llfloor*, llround* and llrint*
6520 functions to their lceil*, lfloor*, lround* and lrint* forms.
6522 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6525 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
6527 (rev_branch_insn): Likewise.
6529 2006-07-27 Jan Hubicka <jh@suse.cz>
6531 PR rtl-optimization/28071
6532 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
6533 (reg_set_in_bb, max_reg_computed): New static variables.
6534 (regmove_optimize): Free the new array.
6535 (fixup_match_1): Update call of reg_is_remote_constant_p.
6537 2006-07-26 Jan Hubicka <jh@suse.cz>
6539 PR tree-optimization/27882
6540 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
6542 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
6544 (cgraph_analyze_compilation_unit): Likewise.
6545 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
6546 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
6547 (cgraph_early_inlinine): Make order garbage collected.
6548 * Makefile.in (gt-ipa-inline): New garbagecollected file.
6550 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6552 * dbxout.c (output_types_sort): Add a comment.
6553 (output_used_types): Free the VEC.
6555 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6557 * function.c (reorder_fix_fragments): Delete.
6558 (reorder_blocks): Don't call it.
6559 (reorder_blocks_1): Put all subblocks under the origin block.
6561 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
6563 PR rtl-optimization/27907
6564 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
6567 2006-07-25 Roger Sayle <roger@eyesopen.com>
6570 * convert.c (convert_to_integer): When transforming (T)foo(x) into
6571 bar(x) check that bar's result type can represent all the values of T.
6573 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
6575 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
6577 2006-07-25 Nick Clifton <nickc@redhat.com>
6579 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
6580 size_lookup[] array.
6581 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
6582 (ggc_pch_count_object): Likewise.
6583 (ggc_pch_alloc_object): Likewise.
6584 (ggc_pch_write_object): Likewise.
6585 (init_ggc): Do not attempt to initialize entries in the
6586 size_lookup[] array for objects whose size is greater than than
6587 the length of the array.
6589 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
6591 * dbxout.c (output_used_types_helper): Push queued types
6593 (output_types_sort): New.
6594 (output_used_types): Collect used types on a VEC and sort them
6597 2006-07-24 Richard Guenther <rguenther@suse.de>
6600 * cgraph.c (cgraph_remove_node): Do not check if dumps
6602 * cgraphunit.c (cgraph_optimize): Likewise.
6604 2006-07-24 Jan Hubicka <jh@suse.cz>
6606 PR rtl-optimization/28071
6607 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
6608 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
6609 splitting before first stmt.
6611 2006-07-24 Jan Hubicka <jh@suse.cz>
6613 PR rtl-optimization/28071
6614 * ipa-inline.c (update_caller_keys): Remove edges that
6615 are no longer inline candidates.
6617 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
6620 * dbxout.c (output_used_types_helper, output_used_types): New.
6621 (dbxout_symbol): Call output_used_types.
6623 2006-07-23 Jan Hubicka <jh@suse.cz>
6627 * cgraph.c (cgraph_varpool_nodes): Export.
6628 (decide_is_variable_needed): Ignored "used" attribute in
6629 unit-at-a-time mode.
6630 * cgraph.h (cgraph_varpool_nodes): Declare.
6631 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
6632 unit-at-a-time mode.
6634 2006-07-23 Roger Sayle <roger@eyesopen.com>
6637 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
6638 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
6639 the __gthrw form of thr_keycreate.
6640 (__gthread_key_delete): Silence the unused argument warning.
6642 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
6645 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
6646 Cache the last found '\0' marker to avoid quadratic behavior.
6648 2006-07-23 Jan Hubicka <jh@suse.cz>
6650 * i386.md (subsi_3_zext): Fix output template.
6652 2006-07-21 Mike Stump <mrs@apple.com>
6654 * doc/invoke.texi (C++ Dialect Options): Note that
6655 -fvisibility-inlines-hidden doesn't affect explicitly
6656 instantiationed inline methods.
6658 2006-07-20 Roger Sayle <roger@eyesopen.com>
6660 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
6661 if the target assembler is GNU binutils' gas.
6662 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
6663 whether to pass GNU gas or native as command line options.
6665 2006-07-20 Jason Merrill <jason@redhat.com>
6667 * tree.c (remove_attribute): New fn.
6668 * tree.h: Declare it.
6670 2006-07-20 Paul Brook <paul@codesourcery.com>
6673 * cse.c (cse_insn): Add destination addresses to hash table. Check if
6674 they are invalidated by this instruction.
6676 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
6679 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
6681 2006-07-20 Eric Christopher <echristo@apple.com>
6684 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
6686 2006-07-19 Eric Christopher <echristo@apple.com>
6688 * config/t-slibgcc-darwin (stmp-lipo): Remove.
6689 Rewrite dependencies for libgcc_s.1.dylib.
6691 2006-07-19 Jakub Jelinek <jakub@redhat.com>
6693 * except.c (duplicate_eh_regions_1): Clear next_peer.
6695 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
6697 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
6698 -mlongcall does not guarantee all calls will be long.
6699 * doc/extend.texi (long_call/short_call): Document that longcall
6700 does not guarantee a long call will be used.
6701 (longcall/shortcall): Likewise.
6703 2006-07-18 Roger Sayle <roger@eyesopen.com>
6706 * expmed.c (expand_shift): Additionally check that the shift_cost
6707 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
6708 before implementing a LSHIFT_EXPR as a sequence of additions.
6709 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
6710 middle-end that DImode shifts need to be synthesized by expand.
6712 2006-07-18 Diego Novillo <dnovillo@redhat.com>
6715 * tree-ssa-operands.c (access_can_touch_variable): Update
6717 Return true if ALIAS is .GLOBAL_VAR.
6719 2006-07-18 David Daney <ddaney@avtrex.com>
6721 * gcc.c (display_help): Fix typo in help text.
6723 2006-07-18 Olivier Hainque <hainque@adacore.com>
6725 * tree.h (categorize_ctor_elements): Adjust prototype and add
6726 descriptive comment, both in accordance with the interface change
6728 * varasm.c (constructor_static_from_elts_p): New function.
6729 Whether a constructor node is a valid static constant initializer
6730 if all its elements are.
6731 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
6732 * output.h: Declare it.
6733 * expr.c (categorize_ctor_elements_1): Return whether the constructor
6734 is a valid constant initializer instead of computing the number of
6735 non-constant elements. Use constructor_static_from_elts_p for this
6736 purpose. Replace the head comment with an indication that this is a
6737 helper for categorize_ctor_elements.
6738 (categorize_ctor_elements): Same interface change as for the _1
6739 helper. Former head comment from this helper moved here, adjusted to
6740 account for the interface changes.
6741 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
6742 (all_zeros_p): Likewise.
6743 * gimplify.c (gimplify_init_constructor): Decide whether we can make
6744 static versions of the constructor from the categorize_ctor_elements
6745 return value instead of the formerly computed number of non-constant
6748 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
6750 * configure: Regenerate.
6751 * Makefile.in (build_libsubdir): New configure substitution
6752 (build_libobjdir): New variable.
6753 (BUILD_LIBIBERTY): Use it.
6755 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6758 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
6760 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
6763 * c-common.c (handle_weakref_attribute): Ignore attribute in
6764 the same conditions the alias attribute is ignored.
6766 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
6768 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
6769 (dbxout_begin_prologue): Increment scope_labelno.
6771 2006-07-17 Richard Henderson <rth@redhat.com>
6774 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
6777 2006-07-17 Roger Sayle <roger@eyesopen.com>
6778 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6780 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
6781 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
6782 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
6783 functions such as sbrk, write, etc.. Add function prototypes.
6784 Convert function declarations from K&R to ISO C. Cast pointers
6785 to "long" and "unsigned long" instead of "int" and "unsigned int".
6786 Convert tokens following #endif into comments.
6788 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
6790 * invoke.texi: Remove mention of f77; Reformat table for
6791 inline parameter options correctly; mention that -malign-double
6792 is default on x86-64 targets.
6794 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
6796 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
6797 (convert_affine_scev, chrec_convert_aggressive): Use
6798 avoid_arithmetics_in_type_p. Do not check for the subtypes
6801 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6804 * optabs.c (expand_doubleword_shift): Wrap the call to
6805 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
6807 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6810 * optabs.c (expand_binop): Pass next_methods rather than methods
6811 to expand_doubleword_shift.
6813 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
6816 * tree.h (dump_addr): Declare.
6817 * print-tree.c (dump_addr): New function.
6818 (print_node_brief, print_node): Use it.
6819 * print-rtl.c (print_rtx): Likewise.
6820 * common.opt (-fdump-noaddr): New option.
6821 * doc/invoke.texi (-fdump-noaddr): Document.
6822 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
6823 (ve_info_hash): Likewise.
6825 2006-07-13 Andrew Haley <aph@redhat.com>
6827 PR tree-optimization/19505
6828 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
6829 edge leaving this block, make sure that the destination of this
6830 block has only one predecessor.
6832 2006-07-17 Richard Guenther <rguenther@suse.de>
6834 PR tree-optimization/28238
6835 * tree-inline.c (copy_bb): Check if we produced valid
6836 gimple copying and substituting a stmt. If not, gimplify
6839 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
6841 * optabs.c (maybe_encapsulate_block): New function extracted from...
6842 (emit_libcall_block): ...here. Invoke it on the block of insns to
6843 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
6844 (emit_no_conflict_block): Likewise.
6846 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6848 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
6850 2006-07-15 Roger Sayle <roger@eyesopen.com>
6852 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
6853 a new NOP_EXPR case of the switch statement.
6855 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
6858 * stor-layout.c (place_field): Take the bit field with
6859 an excessive size into account in the ms-bitfiled case.
6862 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
6863 the previous bit field.
6865 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
6868 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
6870 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
6872 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
6873 signal frames correctly even when the signal was installed with
6876 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
6878 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
6879 (dbxout_function_end): Use local label LFBB. Remove hook
6881 (dbxout_source_line): Use local label LFBB.
6882 (dbxout_block): Likewise.
6883 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
6884 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
6885 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
6886 and DBX_OUTPUT_NFUN.
6888 2006-07-13 Janis Johnson <janis187@us.ibm.com>
6890 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
6892 2006-07-13 Jan Hubicka <jh@suse.cz>
6894 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
6896 * output.h (align_variable): Declare.
6897 * varasm.c (align_variable): Export.
6898 * value-prof.c (tree_value_profile_transformations): Recompute iterator
6899 when basic block changed.
6901 2006-07-13 Nick Clifton <nickc@redhat.com>
6903 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
6904 walking the LOG_LINKS chain.
6906 2006-07-12 Geoffrey Keating <geoffk@apple.com>
6908 * doc/invoke.texi (C++ Dialect Options): Explain difference
6909 between -fvisibility-inlines-hidden and setting hidden
6910 visibility explicitly.
6912 2006-07-12 Eric Christopher <echristo@apple.com>
6914 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
6915 (stmp-lipo): Depend on libgcc.a.
6917 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
6919 * tree.c: Fix a comment typo.
6921 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
6923 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
6925 (umulhisi3_r): Likewise.
6927 2006-07-12 Paolo Carlini <pcarlini@suse.de>
6930 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
6931 x < 19, vs wchar_t support.
6933 2006-07-12 Nick Clifton <nickc@redhat.com>
6935 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
6936 instead of -isa=sh4.
6938 2006-07-12 Mike Stump <mrs@apple.com>
6940 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
6942 2006-07-10 Eric Christopher <echristo@apple.com>
6944 * config/t-slibgcc-darwin: Rewrite.
6946 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
6949 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
6952 2006-07-08 Matthias Klose <doko@debian.org>
6954 * doc/sourcebuild.texi: Fix typo.
6956 2006-07-07 Mike Stump <mrs@apple.com>
6958 * toplev.c (process_options): Don't give -ffunction-sections may
6959 affect debugging warning for Mach-O.
6961 2006-07-07 James E Wilson <wilson@specifix.com>
6963 * config/mips/mips.md (cpu): Add sb1a.
6964 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
6965 addition to sb1. Adjust comments to clarify SB-1A differences from
6967 (ir_sb1a_load): New. Modify bypasses to use it.
6968 (ir_sb1a_simple_alu): Likewise.
6969 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
6970 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
6971 (mips_issue_rate): Add PROCESSOR_SB1A.
6972 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
6973 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
6974 (TARGET_SB1): Add PROCESSOR_SB1A check.
6975 (TUNE_SB1): Likewise.
6977 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
6978 * config/mips/mips.c (mips_store_data_bypass_p): New.
6979 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
6980 store_data_bypass_p.
6982 2006-07-08 Paul Brook <paul@codesourcery.com>
6985 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
6987 2006-07-07 Richard Guenther <rguenther@suse.de>
6990 * tree.h (build_one_cst): Declare.
6991 * tree.c (build_one_cst): New function.
6992 * tree-ssa-math-opts.c (get_constant_one): Remove.
6993 (insert_reciprocals): Use build_one_cst.
6994 * fold-const.c (fold_plusminus_mult): Likewise.
6996 2006-07-07 Roger Sayle <roger@eyesopen.com>
6998 * pointer-set.c (pointer_set_destroy): Correct whitespace.
6999 * cfgloopanal.c (dump_graph): Likewise.
7000 * dojump.c (discard_pending_stack_adjust): Likewise.
7001 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
7003 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
7004 * function.c (finalize_block_changes): Likewise.
7005 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
7006 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
7007 * rtl.c (dump_rtx_statistics): Likewise.
7008 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
7010 * varray.c (dump_varray_statistics): Likewise.
7011 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
7012 decode_decimal64, encode_decimal128, decode_decimal128,
7013 decimal_real_to_decimal): Likewise.
7015 2006-07-07 Richard Guenther <rguenther@suse.de>
7017 PR tree-optimization/28187
7018 * tree-vrp.c (vrp_operand_equal_p): New function.
7019 (vrp_bitmap_equal_p): Likewise.
7020 (update_value_range): Use them to compare old and new
7023 2006-07-06 Roger Sayle <roger@eyesopen.com>
7025 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
7026 a default case to switch statement to silence compiler warnings.
7028 2006-07-06 Roger Sayle <roger@eyesopen.com>
7031 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
7032 the configured assembler supports the x87's ffreep mnemonic.
7033 * configure: Regenerate.
7034 * config.in: Regenerate.
7036 * config/i386/i386.c (output_387_ffreep): New function.
7037 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
7038 (output_387_reg_move): Likewise.
7040 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
7042 Port to hosts whose 'sort' and 'tail' implementations
7043 treat operands with leading '+' as file names, as POSIX
7044 has required since 2001. However, make sure the code still
7045 works on pre-POSIX hosts.
7046 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
7047 which says you should use "tail -c +N" rather than "tail +Nc".
7048 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
7050 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
7052 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
7055 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7058 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
7059 PRE_{INC,DEC} of TFmode.
7061 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7062 Alan Modra <amodra@bigpond.net.au>
7065 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
7068 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7071 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
7072 Remove duplicate gtu.
7074 2006-07-05 Jason Merrill <jason@redhat.com>
7078 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
7079 * c-common.c (handle_packed_attribute): So don't copy it here.
7080 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
7082 2006-07-05 Mike Stump <mrs@apple.com>
7084 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
7086 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
7089 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
7091 2006-07-05 Richard Guenther <rguenther@suse.de>
7094 * config/i386/i386.md (*negdf2_1): Restrict pattern to
7095 TARGET_SSE2 targets if using SSE math.
7096 (*absdf2_1): Likewise.
7098 2006-07-05 Richard Guenther <rguenther@suse.de>
7100 PR tree-optimization/28162
7101 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
7102 make sure to convert the operands to the correct type.
7104 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
7106 PR tree-optimization/28218
7108 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
7109 to calculate and free the dominator information.
7111 2006-07-04 Peter O'Gorman <peter@pogma.com>
7113 * mklibgcc.in: chmod 644 before ranlib during install.
7115 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
7116 J"orn Rennecke <joern.rennecke@st.com>
7118 * configure.ac (.eh_frame data check): Use diff -b.
7120 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
7123 * Makefile.in (BUILD_RTL): Add build/vec.o.
7124 (build/gencondmd.o): Filter out -fkeep-inline-functions.
7125 (build/genextract): Delete.
7126 (build/genautomata): Likewise.
7128 2006-07-04 Alan Modra <amodra@bigpond.net.au>
7131 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
7132 128-bit IBM long doubles for ABI_V4.
7134 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
7136 * tree.c (range_in_array_bounds_p): New predicate.
7137 * tree.h (range_in_array_bounds_p): Declare it.
7138 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
7139 return a less conservative answer.
7140 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
7141 and flag 'is_group'.
7142 (IS_ELEMENT_FOR_GROUP): New macro.
7143 (FOR_EACH_ACTUAL_CHILD): Likewise.
7144 (next_child_for_group): New helper function.
7145 (can_completely_scalarize_p): Take into account groups.
7146 (sra_hash_tree): Handle RANGE_EXPR.
7147 (sra_elt_eq): Likewise.
7148 (lookup_element): Be prepared for handling groups.
7149 (is_valid_const_index): Delete.
7150 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
7151 instead of is_valid_const_index.
7152 <ARRAY_RANGE_REF>: New case.
7153 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
7154 is_valid_const_index.
7155 <ARRAY_RANGE_REF>: Do not unconditionally punt.
7156 (scan_dump): Dump info for groups too.
7157 (decide_instantiation_1): Likewise.
7158 (decide_block_copy): Assert that the element is not a group.
7159 Propagate decision to groups.
7160 (generate_one_element_ref): Handle RANGE_EXPR.
7161 (mark_no_warning): Iterate over actual childs.
7162 (generate_copy_inout): Likewise.
7163 (generate_element_copy): Likewise.
7164 (generate_element_zero): Likewise.
7165 (generate_element_init_1): Likewise.
7166 (dump_sra_elt_name): Handle RANGE_EXPR.
7168 2006-07-03 Roger Sayle <roger@eyesopen.com>
7170 PR tree-optimization/26251
7171 * tree-ssa-threadupdate.c (redirection_block_p): New function.
7172 (thread_block): When optimizing for size refuse to thread jumps
7173 that would require duplication of blocks other than redirection
7176 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7178 * configure.ac: Fix thinko in previous check-in.
7179 * configure: Regenerate.
7181 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7184 * configure.ac (for lang...): Simplify nesting of conditionals.
7185 Test subdir_requires for non-enabled languages. Move processing
7186 of lang_opt_files and lang_tree_fiels below that test.
7187 * configure: Regenerate.
7188 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
7190 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
7192 * doc/gcov.texi (Invoking Gcov): Add a missing word.
7194 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
7196 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
7199 2006-06-29 Jason Merrill <jason@redhat.com>
7206 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
7207 * c-common.c (c_determine_visibility): Handle it here.
7208 * c-decl.c (finish_decl): Call c_determine_visibility for
7210 * flags.h (enum symbol_visibility): Sort from most to least visibility.
7212 * varasm.c (default_assemble_visibility): Likewise.
7213 * c-common.c (handle_visibility_attribute): Complain about trying
7214 to give visibility to an already defined class, or trying to change
7215 declared visibility. Always attach the attribute.
7220 * attribs.c (decl_attributes): Ignore type-in-place attributes
7221 once the type has been defined.
7223 2006-06-29 Roger Sayle <roger@eyesopen.com>
7226 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
7227 to indicate the cpplib has issued an error message for us.
7229 2006-06-29 Asher Langton <langton2@llnl.gov>
7232 * config/i386/i386.c (ix86_output_function_epilogue): Don't
7233 insert a label at the end of an function under Mach-O.
7235 2006-06-29 Eric Christopher <echristo@apple.com>
7236 Evan Cheng <evan.cheng@apple.com>
7238 * predicates.md (vector_all_ones_operand): New.
7239 (nonimmediate_or_sse_const_operand): Ditto.
7240 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
7241 * config/i386/i386.c (standard_sse_constant_opcode): Define.
7242 (standard_sse_mode_p): Ditto.
7243 (standard_sse_constant_p): Add case for -1 vector.
7244 (ix86_expand_vector_move): Try to use.
7245 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
7246 Call standard_sse_constant_opcode.
7247 (*movv4sf_internal): Ditto.
7248 (*movv2df_internal): Ditto.
7250 2006-06-29 Roger Sayle <roger@eyesopen.com>
7252 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
7253 of XEXP to extract the operands of a MATCH_CODE rtx.
7255 2006-06-28 Andrew Pinski <pinskia@gmail.com>
7257 * tree.c (tree_size): Do not waste tail padding in
7258 struct tree_string and make the size be the same as
7259 build_string will generate.
7261 2006-06-28 Jason Merrill <jason@redhat.com>
7264 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
7265 may_aliases already in the tag's annotations to the bitmap.
7267 2006-06-28 Roger Sayle <roger@eyesopen.com>
7269 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
7271 2006-06-28 Roger Sayle <roger@eyesopen.com>
7273 * genpreds.c (generate_switch_p): New function.
7274 (add_mode_tests): Push the new mode test down inside an AND expr
7275 if this allows the switch-suitable MATCH_CODE to be near the root.
7276 (write_match_code_switch): New function to write a MATCH_CODE as
7278 (write_predicate_stmts): New function to write a predicate RTX
7279 expression as a sequence of statements.
7280 (write_one_predicate_function): Use write_predicate_stmts.
7281 (write_tm_constrs_h): Likewise.
7283 2006-06-26 Fred Fish <fnf@specifix.com>
7285 * config/mips/t-sb1: New file.
7286 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
7289 2006-06-26 DJ Delorie <dj@redhat.com>
7291 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
7293 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
7294 Jayant Sonar <jayants@kpitcummins.com>
7295 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
7297 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
7298 (subsi3, subsi3_1, subsi3_2): New.
7299 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
7300 * config/m32c/mov.md (SI mov peephole): New.
7301 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
7302 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
7304 2006-06-26 Olivier Hainque <hainque@adacore.com>
7306 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
7307 a CALL_EXPR target function declaration.
7309 2006-06-26 Richard Guenther <rguenther@suse.de>
7311 * tree.c (build_string): Do not waste tail padding in
7314 2006-06-26 Richard Guenther <rguenther@suse.de>
7316 * ggc-page.c (init_ggc): Add missing element to size_lookup
7320 2006-06-23 Richard Guenther <rguenther@suse.de>
7322 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7323 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7324 alignment requests instead. Add verification code.
7325 Add struct tree_function_decl and struct tree_binfo size to
7326 extra_order_size_table. Add missing element to size_lookup
7329 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
7332 * fold-const.c (const_binop): Be prepared for self returning zero.
7333 Simplify code handling complex values.
7335 2006-06-24 Olivier Hainque <hainque@adacore.com>
7337 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
7338 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
7341 2006-06-24 Olivier Hainque <hainque@adacore.com>
7343 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
7344 ARRAY_REF, so have the callback called for the low bound expression.
7346 2006-06-23 Janis Johnson <janis187@us.ibm.com>
7348 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
7349 * c-typeck.c (c_common_type): Disallow operations on decimal float
7350 types and other float types.
7351 * convert.c (convert_to_real): Don't ignore conversions involving
7352 decimal float types.
7354 2006-06-23 Olivier Hainque <hainque@adacore.com>
7356 * tree.c (max_int_size_in_bytes): New function, inspired from
7357 code in function.c:assign_temp.
7358 * tree.h (max_int_size_in_bytes): Declare.
7359 * function.c (assign_temp): Use it.
7360 * gimplify.c (create_tmp_var): Relax the assertions on the type
7361 properties, not mandating constant size any more.
7362 (force_constant_size): New static function.
7363 (gimple_add_tmp_var): Use it, forcing variable size to a
7364 constant upper bound if it is not constant on entry.
7366 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
7369 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
7370 for initialization and setting of one_only flag to ...
7371 (i386_pe_encode_section_info): ...here.
7372 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
7373 Recheck that the symbol has not been defined.
7375 2006-06-23 Richard Guenther <rguenther@suse.de>
7377 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7378 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7379 alignment requests instead. Add verification code.
7380 Add struct tree_function_decl and struct tree_binfo size to
7381 extra_order_size_table. Add missing element to size_lookup
7384 2006-06-22 Roger Sayle <roger@eyesopen.com>
7385 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7388 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
7389 call to lang_hooks.types.type_for_mode returned NULL_TREE.
7391 2006-06-23 Ben Elliston <bje@au.ibm.com>
7393 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
7394 negate dn -- manipulate it directly.
7396 2006-06-22 Roger Sayle <roger@eyesopen.com>
7397 Steven Bosscher <stevenb.gcc@gmail.com>
7400 * reload1.c (gen_reload): Call mark_jump_label on the new insns
7401 generated by gen_move_insn to add REG_LABEL notes if necessary.
7403 2006-06-22 Bob Wilson <bob.wilson@acm.org>
7405 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
7406 (leaf_entry): Remove use of MIN_ESA.
7408 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
7410 PR rtl-optimization/28121
7411 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
7414 2006-06-21 DJ Delorie <dj@redhat.com>
7416 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
7418 (mulhisi3_r): Likewise.
7420 2006-06-21 Richard Sandiford <richard@codesourcery.com>
7423 * coverage.c (coverage_counter_alloc): Leave the index type
7425 (coverage_counter_alloc): Use null arguments for operands 2 and 3
7428 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
7430 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
7431 section from the "Options for Code Generation Conventions".
7433 2006-06-21 Richard Henderson <rth@redhat.com>
7437 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
7439 (global_symbolic_operand): Allow weak symbols, even if local_p.
7441 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
7443 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
7444 (find_interesting_uses_address): Punt if above function returns true.
7446 2006-06-21 Richard Guenther <rguenther@suse.de>
7448 * configure: Regenerated.
7450 2006-06-21 Joseph Myers <joseph@codesourcery.com>
7452 * config/mips/mips.c (function_arg): Where one part of a
7453 complex argument is in registers and the other part in the stack,
7454 return a REG not a PARALLEL.
7456 2006-06-21 Mark Mitchell <mark@codesourcery.com>
7458 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
7459 when cross-compiling. Do not substitute libstdcxx_incdir.
7460 * configure: Regenerated.
7462 2006-06-21 Jakub Jelinek <jakub@redhat.com>
7464 * varasm.c (mergeable_string_section): Check for embedded NULs and
7465 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
7466 rather than TREE_STRING_LENGTH bytes.
7468 2006-06-21 Richard Guenther <rguenther@suse.de>
7470 * ggc-page.c (extra_order_size_table): Add var_ann_d,
7471 tree_ssa_name, bitmap_element and phi_node with 4 arguments
7474 2006-06-21 Richrad Guenther <rguenther@suse.de>
7476 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
7477 Limit iteration over the dominators.
7479 2006-06-20 Roger Sayle <roger@eyesopen.com>
7481 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
7482 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
7484 2006-06-20 Richard Guenther <rguenther@suse.de>
7485 Michael Matz <matz@suse.de>
7487 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
7489 * alloc-pool.c (free_alloc_pool_if_empty): New function.
7490 * et-forest.h (et_free_pools): Prototype new function.
7491 * et-forest.c (et_free_tree_force): Free parent occurrence.
7492 (et_free_pools): New function.
7493 * dominance.c (free_dominance_info): Free et-forest alloc
7496 2006-06-20 Roger Sayle <roger@eyesopen.com>
7498 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
7499 integer modes, attempt to directly construct an integer constant.
7501 * fold-const.c (native_encode_vector): Determine the size of each
7502 element from the vector type instead of the first vector element.
7504 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
7505 if all of its elements/components are constant.
7506 (build_constructor_from_list): Likewise.
7508 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
7510 PR tree-optimization/27331
7511 * tree-data-ref.c (free_data_ref): New function.
7512 (create_data_ref): Fail if the data reference has unknown access
7514 (free_data_refs): Use free_data_ref.
7516 2006-06-19 Andrew Pinski <pinskia@gmail.com>
7519 * tree-inline.c (setup_one_parameter): Strip useless
7520 type conversion before adding it to the IR.
7521 (declare_return_variable): Likewise.
7523 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
7526 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
7528 2006-06-19 Mike Stump <mrs@apple.com>
7530 * tree.c (variably_modified_type_p): VM arguments don't make the
7533 2006-06-19 Richard Guenther <rguenther@suse.de>
7535 * tree-ssa-pre.c (try_combine_conversion): Strip useless
7536 type conversions after folding.
7538 2006-06-19 Richard Guenther <rguenther@suse.de>
7540 * ggc-page.c (extra_order_size_tab): Add entries with
7541 size of struct function and basic_block.
7542 (size_lookup): Extend to cover sizes up to 511.
7543 (ggc_alloc_stat): Adjust user.
7544 (ggc_pch_count_object): Likewise.
7545 (ggc_pch_alloc_object): Likewise.
7546 (ggc_pch_write_object): Likewise.
7548 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
7550 * tree-ssa-loop-niter.c (implies_ge_p): New function.
7551 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
7554 2006-06-19 Denis Chertykov <denisc@overta.ru>
7556 * config/avr/libgcc.S : Correct my wrong previous commit.
7558 2006-06-19 Roger Sayle <roger@eyesopen.com>
7561 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
7562 have stripped a SUBREG from the shift count, so we may need to
7563 convert_to_mode back to the type's mode before calling make_tree.
7564 Use new_amount instead of amount to avoid expanding a tree twice.
7566 2006-06-19 Richard Guenther <rguenther@suse.de>
7569 * fold-const.c (operand_equal_p): Check if the argument types
7570 have the same precision before stripping NOPs.
7572 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
7574 Fix PR tree-optimization/27341
7575 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
7577 * tree-complex.c (pass_lower_complex): Update SMT usage.
7579 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
7581 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
7582 Add a new alternative to the constraint strings. Add move of
7583 operand 1 to 3 to the splitter definition.
7584 ("doloop_si_long"): Second contraint alternative removed.
7586 2006-06-08 Anatoly Sokolov <aesok@post.ru>
7588 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
7589 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
7591 (AVR_HAVE_MOVW) Define.
7592 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
7593 (ASM_SPEC): Add avr25.
7594 (LINK_SPEC): Add avr25.
7595 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
7596 (base_arch_s): Add new member 'have_movw_lpmx'.
7597 (avr_arch_types): Init 'have_movw_lpmx'.
7598 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
7599 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
7600 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
7601 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
7602 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
7604 (avr_file_start): Do not output '.arh' derective.
7605 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
7606 (__do_copy_data): Use __AVR_HAVE_LPMX__.
7607 * config/avr/avr.md (mcu_enhanced): Delete.
7608 (mcu_have_movw): Define.
7609 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
7610 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
7611 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
7612 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
7613 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
7614 attiny861 and at86rf401 devices.
7616 2006-06-18 Jie Zhang <jie.zhang@analog.com>
7618 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
7621 2006-06-17 Karl Berry <karl@gnu.org>
7623 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
7624 doc/gccint.texi, doc/install.texi (@dircategory): Use
7625 "Software development" instead of "Programming", following
7626 the Free Software Directory.
7628 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
7630 * config/i386/i386.c (legitimate_tls_address)
7631 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
7632 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
7633 (*tls_dynamic_gnu2_combine_64): Likewise.
7635 2006-06-16 Richard Guenther <rguenther@suse.de>
7638 * fold-const.c (negate_expr_p): Do not introduce undefined
7639 overflow in negating INTEGER_CSTs.
7640 (fold_negate_expr): Rename from negate_expr. Revert last
7641 change for folding BIT_NOT_EXPR. Change semantics to
7642 return NULL_TREE for non-simplified negations. Do not
7643 strip type conversions and unify type handling.
7644 (negate_expr): New function, wrap around fold_negate_expr
7645 but ensure building a tree always. Strip type conversions
7646 here, fold to result type.
7647 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
7649 2006-06-16 Roger Sayle <roger@eyesopen.com>
7652 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
7653 that (would) return their results in stack registers.
7655 2006-06-16 Michael Matz <matz@suse.de>
7656 Richard Guenther <rguenther@suse.de>
7658 * fold-const.c (fold_truthop): Only return new tree node if
7659 we canonicalized something.
7661 2006-06-16 Richard Guenther <rguenther@suse.de>
7663 * function.h (enum function_frequency): Move declaration
7664 out of struct function.
7665 (struct function): Move bool fields and the enum to the bitfield
7666 section. Reorder elements to avoid padding. Remove unused
7667 fields left over from the RTL inliner removal.
7668 * function.c (free_after_compilation): Do not zero removed fields.
7669 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
7670 (ipa-type-escape.o): Likewise.
7672 2006-06-16 Richard Guenther <rguenther@suse.de>
7674 * cgraph.h (struct cgraph_local_info): Turn bool elements
7676 (struct cgraph_node): Likewise.
7677 (struct cgraph_varpool_node): Likewise.
7679 2006-06-15 Richard Guenther <rguenther@suse.de>
7681 * fold-const.c (fold_truth_not_expr): Rename from
7682 invert_truthvalue. Give it fold_* semantics to avoid
7684 (invert_truthvalue): New function. Wrapper around
7685 fold_truth_not_expr.
7686 (optimize_minmax_comparison): Avoid creating garbage.
7687 (fold_unary): Use fold_truth_not_expr for folding
7689 (fold_ternary): Replace uses of invert_truthvalue with
7690 fold_truth_not_expr where applicable.
7691 * tree.h (fold_truth_not_expr): Prototype.
7693 2006-06-16 Richard Guenther <rguenther@suse.de>
7695 PR tree-optimization/27781
7696 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
7697 * ipa-pure-const.c (target.h): Include.
7698 (analyze_function): Do not analyze functions that do not
7701 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
7704 * tree-dfa.c (referenced_vars_dup_list): Remove.
7705 (find_referenced_vars): Remove assert.
7706 (referenced_var_check_and_insert): Replace dup list with assert.
7707 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
7708 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
7710 2006-06-15 Richard Guenther <rguenther@suse.de>
7712 * tree-ssa-structalias.c (alias_get_name): Avoid creating
7713 extra unused identifiers if not dumping.
7714 (create_variable_info_for): Likewise.
7716 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
7718 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
7719 (derive_constant_upper_bound): Derive more precise upper bound in
7720 common cases. Return type changed to double_int.
7721 (record_estimate): Reflect the changed return type of
7722 derive_constant_upper_bound.
7723 * double-int.c (double_int_zext, double_int_sext): Fix.
7725 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
7727 * configure.ac (CFLAGS): Get them from the toplevel or from the
7728 configure invocation.
7729 * configure: Regenerate.
7730 * Makefile.in (CFLAGS): Substitute value provided by configure.
7732 2006-06-14 Mark Mitchell <mark@codesourcery.com>
7735 * c-common.h (c_finish_omp_atomic): Adjust declaration.
7736 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
7737 rather than calling add_stmt on it.
7738 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
7740 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
7743 * reload1.c (reload): Remove registers returned by update_eliminables
7744 from used_spill_regs.
7746 2006-06-13 DJ Delorie <dj@redhat.com>
7748 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
7750 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
7752 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
7753 html__strip_dir, html__mkdir_p. Enhance install-html target.
7754 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
7755 * configure: Regenerate.
7757 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
7759 * fold-const.c (fold_cond_expr_with_comparison): Check for
7760 Objective-C++ as language in deciding COND_EXPR transformation.
7762 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
7765 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
7766 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
7767 * config/sh/lib1funcs.h (SL, SL1): Define.
7768 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
7769 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
7770 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
7771 (OBJS_Os_4_200): New variable.
7772 ($(T)libgcc-Os-4-200.a): Use it.
7773 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
7774 when dividing 1 and/or by 0.
7776 2006-06-13 Roger Sayle <roger@eyesopen.com>
7778 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
7779 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
7780 * configure: Regenerate.
7782 2006-06-13 Jie Zhang <jie.zhang@analog.com>
7784 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
7785 for real instruction.
7787 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7790 * haifa-sched.c (check_cfg): Handle special case.
7792 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
7795 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
7796 Add debug_info parameter. Chain the vars to the BLOCK instead
7797 of the BIND_EXPR if debug info are requested for them.
7798 (pop_gimplify_context): Adjust for above change.
7799 (gimple_add_tmp_var): Likewise.
7800 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
7802 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
7803 (convert_local_reference): Likewise.
7804 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
7805 (finalize_nesting_tree_1): Request that debug info be emitted
7806 for debug_var_chain.
7808 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7810 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
7811 for PR target/27863.
7813 2006-06-13 Richard Guenther <rguenther@suse.de>
7816 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
7818 2006-06-13 Richard Guenther <rguenther@suse.de>
7820 PR tree-optimization/27830
7821 * tree-inline.c (copy_body_r): For copying the operand
7822 of an ADDR_EXPR make sure to fold &* afterwards.
7824 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
7826 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
7827 lvalues in the fb_none case with side-effects.
7829 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
7831 * tree-flow.h: Remove the prototype for
7832 compute_phi_arg_on_exit.
7833 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
7834 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
7837 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
7839 * builtins.c (expand_builtin_return_addr): Only use
7840 frame_pointer_rtx when count == 0 and we are expanding
7841 __builtin_return_address.
7843 2006-06-12 Fred Fish <fnf@specifix.com>
7845 * config/mips/mips.c (mips_file_start): Create special section
7846 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
7848 2006-06-11 Eric Christopher <echristo@apple.com>
7851 * stor-layout.c (place_field): Remove check for
7852 remaining_in_alignment when aligning at the end of a run.
7854 2006-06-11 Eric Christopher <echristo@apple.com>
7857 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
7860 2006-06-11 Roger Sayle <roger@eyesopen.com>
7863 Revert incorrect fix for PR target/27158
7864 2006-05-08 Roger Sayle <roger@eyesopen.com>
7865 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7866 of a reg_equiv_constant if the result is a legitimate constant.
7868 2006-06-11 Roger Sayle <roger@eyesopen.com>
7871 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
7872 extract a CONST_VECTOR element and interpret it as an integer.
7873 (vspltis_constant): Use const_vector_elt_as_int instead of the
7874 macro CONST_VECTOR_ELT in order to handle FP vector modes.
7875 * config/rs6000/predicates.md (easy_vector_const): Consider
7876 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
7878 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
7881 * stor-layout.c (update_alignment_for_field): Don't add extra
7882 alignment for packed non-bitfield fields in ms_bitfield_layout_p
7885 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
7887 * config/mips/t-rtems: Add EL/EB multilib variants.
7889 2006-06-09 Mike Stump <mrs@apple.com>
7891 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
7893 2006-06-09 David Daney <ddaney@avtrex.com>
7895 * doc/install.texi: Add binutils version recommendation for mips-*-*.
7897 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
7899 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
7901 2006-06-09 Richard Guenther <rguenther@suse.de>
7903 PR tree-optimization/26998
7904 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
7905 of signed types, only TYPE_MIN_VALUE is special, but for both,
7906 minimum and maximum value. Likewise VR_ANTI_RANGE is special
7907 in this case, as is -fwrapv.
7909 2006-06-08 Mike Stump <mrs@apple.com>
7912 * config/darwin.c (darwin_asm_output_anchor): Disable
7913 -fsection-anchors on darwin for now.
7914 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
7915 * rs6000/rs6000.c (optimization_options): Likewise.
7917 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7920 * config/i386/i386.c (classify_argument): Skip fields with invalid
7923 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
7925 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
7926 (cse_insn): Likewise for the stack_pointer_rtx.
7928 2006-06-08 Roger Sayle <roger@eyesopen.com>
7930 * tree-ssa-dom.c (record_conditions): Only record "unordered"
7931 conditions from floating point comparisons.
7933 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
7936 * expmed.c (struct alg_hash_entry): Fix type of field T
7937 to match synth_mult argument.
7938 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
7940 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7943 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
7946 2006-06-08 Richard Guenther <rguenther@suse.de>
7949 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
7950 only, if overflow is defined and not trapping.
7951 (negate_expr): Likewise.
7953 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7955 PR tree-optimization/27872
7956 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
7957 flag on the new exit edge of the unrolled loop.
7959 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7961 PR rtl-optimization/26449
7962 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
7964 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
7967 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
7968 referenced_variables with matching DECL_UID's.
7969 (find_referenced_vars): Make sure duplicate list is empty to start.
7970 (referenced_var_p): Remove.
7971 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
7972 Check if var is in the list, and add if needed. Update the duplicate
7973 list if a different var is in the list with the same DECL_UID.
7974 (add_referenced_var): Call routine to check and insert.
7975 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
7976 * tree-flow.h (referenced_vars_dup_list): External declaration.
7978 2006-06-07 Fred Fish <fnf@specifix.com>
7980 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
7983 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
7986 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
7987 the imaginary and real parts of a clobbered register.
7988 Emit insn to set the imaginary part.
7990 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
7992 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
7993 in lieu of unwind-dw2-fde.c.
7995 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
7997 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
7999 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
8002 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
8003 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
8004 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
8005 V4SImode temporaries and operations instead.
8007 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
8009 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
8012 2006-06-06 Mike Stump <mrs@apple.com>
8014 * Makefile.in: Rename to htmldir to build_htmldir to avoid
8015 installing during build.
8017 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8019 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
8021 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8022 * config/ia64/ia64.c (params.h): New header.
8023 (ia64_optimization_options): New function to adjust parameters.
8024 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
8025 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
8026 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
8028 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
8030 * stor-layout.c (debug_rli): Fix a typo in a debug message.
8032 2006-06-05 Steve Ellcey <sje@cup.hp.com>
8035 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
8037 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
8038 Victor Kaplansky <victork@il.ibm.com>
8040 PR tree-optimization/26360
8041 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
8044 2006-06-04 Roger Sayle <roger@eyesopen.com>
8045 Andrew Pinski <pinskia@physics.uc.edu>
8048 * c-common.c (c_common_truthvalue_conversion): Explicitly check
8049 for LABEL_DECL before calling DECL_WEAK.
8052 * c-typeck.c (build_binary_op): Likewise, explicitly check for
8053 LABEL_DECL and PARM_DECL.
8055 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
8059 * c-decl.c (grokdeclarator): Disallow variably modified types at
8060 file scope. Avoid marking shared array type of constant size as
8063 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8066 * c-common.c (fold_offsetof_1): Handle static members.
8068 2006-06-04 Eric Christopher <echristo@apple.com>
8070 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
8071 (debug_rli): Output value for remaining_in_alignment.
8072 (update_alignment_for_field): Unconditionalize
8073 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
8074 extra alignment code.
8075 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
8076 ms_bitfield_layout_p code. Rewrite handling of structure fields.
8077 * tree.h (record_layout_info_s): Remove prev_packed.
8078 * doc/extend.texi (ms_struct): Add documentation of format.
8080 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
8082 * tree.h: Declare folding_initializer.
8083 * builtins.c (fold_builtin_constant_p): Give definite answer
8084 if folding inside an initializer.
8085 * fold-const.c: Define folding_initializer.
8086 (START_FOLD_INIT): Save and then set folding_initializer.
8087 (END_FOLD_INIT): Restore folding_initializer.
8089 2006-06-04 Richard Guenther <rguenther@suse.de>
8091 PR tree-optimization/27039
8092 * fold-const.c (fold_comparison): Handle pointer comparison
8093 again for all comparison codes. Compare offsets in signed
8095 (fold_binary): Move code from here.
8097 2006-06-03 Roger Sayle <roger@eyesopen.com>
8100 * config/i386/i386.c (construct_container): Split static issued_error
8101 flag into issued_sse_arg_error, issued_sse_ret_error and
8102 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
8103 requires the use of x87 registers and the user explicitly
8104 specified the -mno-80387 command line option.
8106 2006-06-02 Geoffrey Keating <geoffk@apple.com>
8108 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
8109 HAVE_DECL_SIGALTSTACK.
8111 (segv_handler): Use MC_FLD.
8112 * configure.ac: Check for a sigaltstack declaration.
8113 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
8114 * configure: Regenerate.
8115 * config.in: Regenerate.
8117 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
8120 * Makefile.in (stmp-fixinc): Fix typo.
8122 2006-06-02 Roger Sayle <roger@eyesopen.com>
8124 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
8125 are type correct. Clean-up.
8126 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
8127 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
8129 2006-06-01 DJ Delorie <dj@redhat.com>
8131 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
8132 shift, as we've disabled the "switch" insn that needs it.
8134 2006-06-01 Per Bothner <bothner@bothner.com>
8136 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
8137 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
8138 * c-ppoutput.c (cb_define): Don't increment line 0.
8140 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
8142 * doc/invoke.texi: Add cpu_type power6.
8143 * config.gcc: Add cpu_type power6.
8144 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
8145 to power5+ with Altivec.
8146 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
8147 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
8149 2006-05-30 Anatoly Sokolov <aesok@post.ru>
8151 * config/avr/avr.h (SET_ASM_OP): Define.
8153 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
8155 * config/bfin/bfin.c: Fix comment typos.
8157 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8160 * doc/install.texi: Document --enable-bootstrap and
8161 --disable-bootstrap.
8163 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8165 * doc/install.texi: Document that InfoZIP can replace jar.
8167 2006-05-31 Roger Sayle <roger@eyesopen.com>
8169 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
8170 isn't available, directly generate the simpler x87 patterns without
8171 the (use (const_int 0)).
8172 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
8173 implementation isn't available.
8174 (*negdf2_1): Likewise.
8175 (*negxf2_1): XF mode negation is always done using the x87.
8176 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
8178 2006-05-31 Roger Sayle <roger@eyesopen.com>
8180 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
8181 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
8183 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
8185 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8187 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
8188 * config/bfin/bfin.c (basic-block.h): Include.
8189 (struct machine_function): New.
8190 (bfin_init_machine_status): New.
8191 (override_options): Initialize init_machine_status.
8192 (bfin_hardware_loop): New.
8193 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
8194 (DEF_VEC_P (loop_info)): New.
8195 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
8196 (struct loop_info): New.
8197 (loop_info): New typedef.
8198 (struct loop_work): New.
8199 (loop_work): New typedef.
8200 (DEF_VEC_O (loop_work)): New.
8201 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
8202 (bfin_dump_loops): New.
8203 (bfin_bb_in_loop): New.
8204 (bfin_scan_loop): New.
8205 (bfin_optimize_loop): New.
8206 (bfin_reorg_loops): New.
8207 (bfin_reorg): Use bfin_reorg_loops.
8208 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
8210 (I_REGNO_P): Simplify.
8211 (DP_REGNO_P, DPREG_P): New macros.
8212 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
8213 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
8214 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8215 Add LT_REGS, LC_REGS, LB_REGS.
8216 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
8218 (REGNO_REG_CLASS): Deal with loop registers.
8219 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
8221 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
8222 New constants for loop registers.
8223 (UNSPEC_LSETUP_END): New.
8224 (seq_insns): New define_attr. Set it for appropriate insns.
8225 (movsi_insn): Add alternatives for move from/to
8226 loop count registers.
8227 (doloop_end): New define_expand.
8228 (loop_end): New define_insn.
8229 (define_split for bad doloop_end): New.
8230 (lsetup_with_autoinit): New define_insn.
8231 (lsetup_without_autoinit): New define_insn.
8232 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
8233 * config/bfin/predicates.md (lc_register_operand): New.
8234 (lt_register_operand): New.
8235 (lb_register_operand): New.
8236 (nondp_register_operand): New.
8237 (nondp_reg_or_memory_operand): New.
8238 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
8240 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8242 * config/bfin/bfin.c (bfin_delegitimize_address): New.
8243 (TARGET_DELEGITIMIZE_ADDRESS): Define.
8245 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
8247 * Makefile.in (CATALOGS): Add po/ prefix.
8248 * configure: Regenerated.
8250 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
8253 * arm.c (arm_print_operand case 'S'): Validate that the operand is
8254 a shift operand before calling shift_op. Avoid redundant call of
8257 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
8258 DJ Delorie <dj@redhat.com>
8260 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
8261 we're inserting is a singlt-bit constant.
8263 2006-05-30 Roger Sayle <roger@eyesopen.com>
8265 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
8266 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
8268 2006-05-30 Roger Sayle <roger@eyesopen.com>
8270 PR tree-optimization/23452
8271 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
8272 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
8273 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
8274 complex values and with -ffast-math for FP complex values.
8276 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
8278 * c-common.h: Remove the prototype for yyparse.
8279 * rtl.h: Remove the prototype for init_loop.
8281 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
8283 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
8286 2006-05-30 Roger Sayle <roger@eyesopen.com>
8288 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
8290 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
8291 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
8293 2006-05-30 Dirk Mueller <dmueller@suse.de>
8296 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
8297 for CONSTANT_CLASS_P expresisons.
8299 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8302 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
8304 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
8306 PR tree-optimization/27779
8307 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
8308 initial_condition instead of CHREC_LEFT.
8310 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
8312 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
8313 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
8314 Make prototypes ISO C90.
8316 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
8317 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8319 * see.c (see_analyze_one_def): Correct check.
8320 (see_get_extension_data): Check if extension is parallel.
8321 (see_get_extension_reg): Likewise.
8323 2006-05-30 Uros Bizjak <uros@kss-loka.si>
8326 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
8327 into register for (code == GTU).
8329 2006-05-29 Roger Sayle <roger@eyesopen.com>
8331 PR tree-optimization/24964
8332 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
8333 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
8334 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
8335 abs(x)*abs(x) as x*x for scalar floating point modes.
8337 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
8340 * lambda-code.c (perfect_nestify): Don't copy statements
8341 in the inner loop: move them to the inner loop header.
8343 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8346 * c-tree.texi: Document OpenMP directives and clauses.
8348 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8350 * varasm.c (globalize_decl): Fix indentation.
8352 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8355 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
8356 pass_fre, pass_store_ccp, pass_copy_prop,
8357 pass_store_copy_prop, pass_merge_phi, pass_nrv,
8358 pass_return_slot, pass_object_size, pass_lim,
8359 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
8360 pass_loop_prefetch and pass_stdarg.
8362 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
8364 * config/bfin/bfin.opt (mfdpic): New option.
8365 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
8366 (EXTRA_MULTILIB_PARTS): Likewise.
8367 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
8368 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
8370 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
8371 (CRT_CALL_STATIC_FUNCTION): New.
8372 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
8374 (CRT_CALL_STATIC_FUNCTION): New.
8375 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
8377 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
8378 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
8379 (initialize_trampoline): Changed to handle FD-PIC code generation.
8380 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
8381 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
8382 (override_options): Disallow -mid-shared-library -mfdpic combination.
8383 Can't do unaligned ops if FD-PIC.
8384 Turn off flag_pic if trying to generate non-id-shared-library
8385 non-fdpic code, since it's not supported.
8386 (bfin_assemble_integer): New function.
8387 (TARGET_ASM_INTEGER): Define.
8388 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
8390 * config/bfin/crtn.s: Restore them.
8391 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
8393 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
8394 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
8395 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
8396 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
8397 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
8399 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
8400 FDPIC_REGS and FDPIC_FPTR_REGS.
8401 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
8402 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
8403 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
8404 (load_funcdescsi): New pattern.
8405 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
8406 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
8407 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
8409 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8411 * gcse.c, rtlanal.c: Remove obsolete comments associated with
8414 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
8416 * tree-flow.h: Remove the prototype for add_type_alias.
8417 * tree-ssa-alias.c (add_type_alias): Remove.
8419 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
8421 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
8422 config/fr30/fr30.md, config/i386/i386-interix.h,
8423 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
8424 config/sh/superh64.h, config/v850/v850.c, df-core.c,
8425 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
8426 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
8427 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
8428 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
8429 Follow spelling conventions.
8430 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
8431 Follow spelling conventions.
8433 2006-05-27 Richard Guenther <rguenther@suse.de>
8436 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
8437 to produce a constant of value 1 of generic type.
8439 2006-05-27 Dirk Mueller <dmueller@suse.de>
8441 * cgraphunit.c (decide_is_function_needed): Fix wrong
8444 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
8446 PR rtl-optimization/27661
8447 * reload.c (find_reloads): When reloading a VOIDmode constant
8448 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
8449 use Pmode as mode of the reload register.
8451 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
8453 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
8454 is enabled at -O and above.
8456 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
8459 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
8462 2006-05-25 Mark Mitchell <mark@codesourcery.com>
8465 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
8466 for anonymous variables explicitly declared by front ends.
8468 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8470 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
8471 (struct alias_info): Add new field ref_all_symbol_mem_tag.
8472 * tree-ssa-alias.c (compute_may_aliases): If the program contains
8473 ref-all pointers, run a finalization pass for them.
8474 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
8475 (finalize_ref_all_pointers): New function.
8476 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
8477 regular pointer type to a ref-all pointer type.
8478 (get_tmt_for): Return the special memory tag for ref-all pointers.
8480 2006-05-25 Richard Guenther <rguenther@suse.de>
8483 * fold-const.c (fold_binary): Do not look at the stripped
8484 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
8486 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8488 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
8489 for LT and GT if the computed range is effectively empty.
8491 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8494 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
8495 mips_quad_format formats instead of ieee_single_format,
8496 ieee_double_format and ieee_quad_format formats, respectively.
8498 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
8500 PR tree-optimization/27639
8501 PR tree-optimization/26719
8502 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
8503 call to scev_probably_wraps_p.
8504 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
8505 used_in_pointer_arithmetic_p, convert_step): Removed.
8506 (nowrap_type_p): New function.
8507 (scev_probably_wraps_p): Rewritten.
8508 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
8509 chrec_convert if chrec_convert_aggressive might have been used.
8510 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
8511 scev_direction): New functions.
8512 (chrec_convert): Changed to a wrapper over chrec_convert_1.
8513 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
8514 instead of convert_step.
8515 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
8516 (convert_step): Declaration removed.
8517 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
8519 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
8521 * df-core.c: Added to header comments.
8522 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
8523 df_ur_bb_info, df_urec_bb_info): Added comments.
8524 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
8525 urec, ri problems): Fixed header comments.
8526 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
8527 code from df_rd_transfer_function.
8529 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8531 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
8532 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
8533 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
8535 2006-05-23 Joseph Myers <joseph@codesourcery.com>
8537 * expr.c (undefined_operand_subword_p): New.
8538 (emit_move_multi_word): Do not generate move from undefined bits
8539 of a paradoxical subreg.
8541 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8543 PR rtl-optimization/27736
8544 * combine.c (replaced_rhs_value): New variable.
8545 (combine_instructions): Set it.
8546 (distribute_notes): When distributing a note in replaced_rhs_insn,
8547 check whether the value was used in replaced_rhs_value.
8549 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
8552 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
8553 add_referenced_var instead of add_referenced_tmp_var.
8554 * tree-complex.c (create_one_component_var): Use add_referenced_var.
8555 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
8557 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
8558 tree_optimize_tail_calls_1): Use add_referenced_var.
8559 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
8560 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
8561 Use add_referenced_var.
8562 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
8563 * gimplify.c (force_gimple_operand): Use add_referenced_var.
8564 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
8565 Use add_referenced_var.
8566 * tree-dfa.c (struct walk_state): Remove.
8567 (find_referenced_vars): Remove walk state and vars_found hash table.
8568 (make_rename_temp): Use add_referenced_var.
8569 (find_vars_r): Pass less parameters to add_referenced_var.
8570 (referenced_var_p): New. Is var in referenced_var hash table.
8571 (referenced_var_insert): Assert var isn't already in hash table.
8572 (add_referenced_var): Don't need walk_state parameter. Add var if it
8573 isn't already in the hash table.
8574 (add_referenced_tmp_var): Remove.
8575 (find_new_referenced_vars_1): Use add_referenced_var.
8576 * tree-ssa-pre.c (create_expression_by_pieces,
8577 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
8578 Use add_referenced_var.
8579 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
8580 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
8581 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
8583 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8584 vect_create_data_ref_ptr, vect_create_destination_var,
8585 vect_init_vector, vect_build_loop_niters,
8586 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
8587 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
8588 Use add_referenced_var.
8589 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
8590 * tree-flow.h (add_referenced_tmp_var): Remove prototype
8591 (add_referenced_var): Add prototype.
8592 * tree-ssa-structalias.c (get_constraint_for,
8593 intra_create_variable_infos): Use add_referenced_var.
8595 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
8597 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
8598 big-endian paradoxical subregs.
8599 * var-tracking.c (struct micro_operation_def): Document that,
8600 for modify micro operations, insn is the subsequent instruction.
8601 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
8602 (var_reg_set, var_mem_set): ... new functions.
8603 (add_stores): Record subsequent insn.
8604 (compute_bb_dataflow): Use new functions for MO_USE.
8605 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
8606 notes after the insn, and modify notes before the insn known
8607 to be the subsequent one.
8608 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
8610 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
8613 * config/i386/i386.c (ix86_expand_builtin): Use
8614 gen_sse3_monitor64 for TARGET_64BIT.
8616 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
8618 PR rtl-optimization/26375
8619 PR rtl-optimization/26855
8620 * df-problems (df_ru_bb_local_compute_process_def): Removed update
8622 (df_ru_bb_local_compute): Reversed statements and removed bogus
8623 comment explaining why they should be in wrong order.
8624 (df_ru_dump, df_rd_dump): Enhanced debug info.
8625 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
8627 * ddg.c (add_deps_for_def): Converted use of reaching defs to
8628 reaching uses and fixed space problem.
8630 2006-05-23 Jan Hubicka <jh@suse.cz>
8632 * cgraphunit.c (decide_is_function_needed): Also nested functions
8633 and functions declared inline can be optimized out at -O0.
8635 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
8637 * doc/install.texi (Configuration): Remove reference to CrossGCC
8641 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8644 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
8645 ix86_compare_emitted is non-NULL.
8647 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8650 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
8653 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8655 PR rtl-optimization/25514
8656 * combine.c (replaced_rhs_insn): New variable.
8657 (combine_instructions): Set replaced_rhs_insn when trying to replace
8658 a SET_SRC with a REG_EQUAL note.
8659 (distribute_notes): Use replaced_rhs_insn when determining the live
8660 range of a REG_DEAD register.
8662 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
8663 Anatoly Sokolov <aesok@post.ru>
8665 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
8666 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
8667 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
8668 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
8669 atmega3290, atmega649, atmega6490, atmega406, atmega640,
8670 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
8671 at90usb647, at90usb1286 and at90usb1287 devices.
8672 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8673 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8675 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8677 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
8679 2006-05-22 Richard Guenther <rguenther@suse.de>
8682 2006-01-31 Richard Guenther <rguenther@suse.de>
8683 Paolo Bonzini <bonzini@gnu.org>
8685 * doc/install.texi (--disable-libgcc-math): Document.
8687 2006-05-22 Richard Guenther <rguenther@suse.de>
8690 2006-01-31 Richard Guenther <rguenther@suse.de>
8692 * doc/invoke.texi (-msselibm): Document.
8693 * target.h (expand_library_builtin): New target hook.
8694 * builtins.c (expand_builtin): Use expand_library_builtin.
8695 (default_expand_library_builtin): New function.
8696 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8697 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8698 (link_gcc_math_spec): Declare.
8699 (static_specs): Add link_gcc_math_spec.
8700 * expr.h (default_expand_library_builtin): Declare.
8701 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8702 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8703 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8704 * config/i386/i386.opt (msselibm): New target option.
8705 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8706 (ix86_init_sse_abi_builtins): New function.
8707 (ix86_expand_library_builtin): Likewise.
8708 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8709 (override_options): Handle error conditions wrt -msselibm.
8710 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8711 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8712 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8715 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8718 * c-common.c (self_promoting_args_p): Skip erroneous args.
8721 * c-decl.c (finish_struct): Skip erroneous fields.
8723 2006-05-22 Nick Clifton <nickc@redhat.com>
8725 * config/cris/cris.opt (march): Remove VarExists attribute.
8726 (max-stackframe=): Likewise.
8728 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8730 * doc/rtl.texi: Fix a typo.
8731 * see.c: Fix comment typos.
8733 * tree-ssa-structalias.h (alias_info): Remove num_references.
8735 2006-05-21 Mike Stump <mrs@apple.com>
8737 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
8739 (darwin_pragma_options): Use BAD instead.
8740 (darwin_pragma_unused): Likewise.
8741 (darwin_pragma_ms_struct): Likewise.
8743 2006-05-21 David Edelsohn <edelsohn@gnu.org>
8745 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
8747 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
8749 PR rtl-optimization/27671
8750 * simplify-rtx.c (simplify_relational_operation_1): Fix
8751 simplifications of (eq/ne (xor x y) y) and
8752 (eq/ne (xor x y) x).
8754 PR tree-optimization/26622.
8755 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
8758 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8760 * tree-cfg.c: Prune whitespace.
8761 (debug_tree_cfg): Point to correct header containing the
8764 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8767 * cgraphunit.c (verify_cgraph_node): Typo in error message.
8769 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
8772 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
8773 or sorry count is non zero.
8775 2006-05-20 Andreas Schwab <schwab@suse.de>
8777 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
8779 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
8780 Kenneth Zadeck <zadeck@naturalbridge.com>
8782 PR rtl-optimization/26855
8784 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
8786 (df_scan_alloc): Added code to properly handle multiword hard
8787 registers and add all_blocks parameter.
8788 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
8789 code to properly handle multiword hard registers.
8790 (df_rescan_blocks): Added code to remove deleted blocks from
8792 (df_ref_create_structure, df_ref_record): Added code to properly
8794 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
8795 and set DF_REF_PARTIAL.
8796 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
8797 (df_uses_record): Added DF_REF_PARTIAL for subreg.
8798 (df_scan_add_problem): Added flags parameter.
8799 (df_ref_create_structure): Changed switching structure.
8800 (df_bb_refs_record): Fixed case where duplicate artificial refs
8801 were created. Changed location of flags.
8802 (df_record_entry_block_defs): Added code to make stack pointer
8803 live in entry block. Refined cases where frame pointer is needed.
8804 Changed location of flags.
8805 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
8806 (df_set_state): Removed function.
8807 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
8808 df_insn_create_insn_record, df_insn_refs_delete,
8809 df_ref_create_structure): Formatting changes.
8810 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
8811 df_delete_basic_block): New function.
8812 (df_init): Changed location of flags.
8813 (df_add_problem): Added flags parameter and the way flags are
8815 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
8816 debug_df_chain): Improved debugging output.
8817 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
8818 (df_refs_chain_dump): Removed df parameter.
8819 (df_iterative_dataflow): Added consistency check.
8820 (df_prune_to_subcfg): Made public.
8821 (df_analyze_problem): Added blocks_to_init parameter and made
8823 (df_ref_record, df_bb_refs_record, df_mark_reg,
8824 df_record_exit_block_uses): Whitespace changes.
8825 (df_dump): Whitespace changes.
8826 * df.h: Some reordering to remove forward references.
8827 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
8828 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
8829 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
8830 (dataflow.flags): New field.
8831 (df.flag): Deleted field.
8832 (df_alloc_function): Added additional bitmap parameter.
8833 (df_dependent_problem_function): New type.
8834 (df_problem.changeable_flags): New field.
8835 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
8836 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
8837 (df_mw_hardreg): New struct.
8838 (DF_INSN_UID_MWS): New macro.
8839 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
8841 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
8842 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
8843 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
8844 (df_set_state): Removed function.
8845 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
8846 * df-problems.c (df_chain_dump): Removed df parameter.
8847 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
8848 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
8850 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
8851 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
8852 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
8853 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
8854 DF_REF_MUST_CLOBBER cases.
8855 (df_ru_bb_local_compute_process_def,
8856 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
8857 df_lr_bb_local_compute, df_ur_bb_local_compute,
8858 df_chain_create_bb): Made subreg aware.
8859 (df_ru_bb_local_compute, df_rd_bb_local_compute,
8860 df_lr_bb_local_compute, df_lr_bb_local_compute,
8861 df_chain_create_bb): Cleanup to use proper macros.
8862 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
8863 code to fixup bitvectors.
8864 (df_ri_alloc): Cleared lifetime.
8865 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
8866 df_create_unused_note): New function.
8867 (df_ri_bb_compute, df_ri_compute): Added code to create/update
8868 REG_DEAD and REG_UNUSED notes as well as register information.
8869 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
8870 df_chains_dump): Fixed crash if problem was never run.
8871 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
8872 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
8873 df_ri_add_problem): Processes flags in uniform manner.
8874 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
8875 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
8876 df_rd_dump, df_urec_free_bb_info): Formatting changes.
8877 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
8878 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
8879 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
8880 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
8881 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
8882 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
8883 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
8884 * see.c (see_initialize_data): Ditto.
8885 * final.c (rest_of_clean_state) Added regstack_completed.
8886 * rtl.h (regstack_completed): Ditto.
8887 * reg-stack.c (regstack_completed): Ditto.
8889 2006-05-19 Mike Stump <mrs@apple.com>
8891 * c-tree.h (default_conversion): Remove.
8892 * c-common.h (default_conversion): Add.
8894 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
8896 * tree-vrp.c (valid_value_p): New function.
8897 (adjust_range_with_scev): Fail if the value of bound is not
8900 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8902 * config/mips/linux-unwind.h: Include <asm/unistd.h>
8903 (mips_fallback_frame_state): Use syscall numbers to determine
8904 the appropriate li instruction for the current ABI. Only use
8905 __NR_sigreturn for o32.
8907 2006-05-19 Nicolas Setton <setton@adacore.com>
8909 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
8910 * langhooks.c (lhd_dwarf_name): New function.
8911 * langhooks-def.h (lhd_dwarf_name): Declare.
8912 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
8913 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
8915 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8917 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
8919 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
8920 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
8921 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
8922 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
8923 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
8924 determine the size of Wtype, etc.
8925 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
8926 (swfloatfuncs): New variable.
8927 (dwfloatfuncs): Likewise.
8928 (lib2funcs): Remove floating-point conversion functions from
8929 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
8930 the set of conversion routines needed. Allow entries to specify
8931 an object name, filename and word size. Update users accordingly.
8932 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
8933 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
8937 2006-02-08 Roger Sayle <roger@eyesopen.com>
8940 * config/fixtfdi.c: New libgcc source file.
8941 * config/fixunstfdi.c: New source file.
8942 * config/floatditf.c: New source file.
8943 * config/floatunditf.c: New souce file.
8944 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8945 files above instead of config/mips/_tilib.c.
8946 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8948 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8950 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
8951 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
8953 2006-05-18 Mike Stump <mrs@apple.com>
8955 Fix up vla, vm and [*] sematics.
8961 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
8962 (c_vla_unspec_p): Add.
8963 (c_vla_type_p): Add.
8964 * c-decl.c (struct c_scope): Add had_vla_unspec.
8965 (build_array_declarator): Add support for [*].
8966 (grokdeclarator): Likewise.
8967 (grokparms): Likewise.
8968 (get_parm_info): Likewise.
8969 * c-objc-common.c (c_vla_unspec_p): Likewise.
8970 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
8971 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
8972 typeof when argument is a variably modified type not inside sizeof or alignof.
8973 (c_parser_direct_declarator_inner): Propagate errors.
8974 (c_parser_sizeof_expression): Add support for [*].
8975 (c_parser_parms_declarator): Initialize had_vla_unspec.
8976 (c_parser_parms_list_declarator): Likewise.
8977 * c-typeck.c (c_vla_type_p): Add.
8978 (composite_type): Add support for vla compositing.
8979 (comptypes_internal): Add support for vla compatibility.
8980 (c_expr_sizeof_expr): Evaluate vla arguments.
8981 * tree.c (variably_modified_type_p): Update comment for [*].
8983 2006-05-18 Michael Matz <matz@suse.de>
8986 * config.host: Make assignments to host_xmake_file cumulative.
8987 * config.host (*-darwin*): Test $host, not $target.
8989 2006-05-12 Stuart Hastings <stuart@apple.com>
8991 * config/i386/i386.opt (-mstackrealign): New flag.
8992 * config/i386/i386.c (force_align_arg_pointer): New attribute.
8993 (ix86_handle_cconv_attribute): Emit error when
8994 force_align_arg_pointer attribute collides with too many regparms.
8995 (ix86_function_regparm): Limit regparms when used with
8996 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
8997 Support stack-realigning prologue in non-main functions. Emit
8998 warning for nested functions under -mstackrealign, emit error for
8999 nested functions with force_align_arg_pointer attribute.
9000 * doc/extend.texi (force_align_arg_pointer): Document it.
9001 * doc/invoke.texi (-mstackrealign): Document it.
9003 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
9005 PR rtl-optimization/27477
9006 * combine.c (try_combine): Don't split a parallel consisting
9007 of two sets into two individual sets if both sets reference
9010 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
9012 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
9013 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
9015 * doc/options.texi (VarExists): Updated.
9017 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9019 * unwind-dw2.c: Add declarations for uw_update_context and
9021 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
9022 detected, advance frame state and context once to skip over stub.
9024 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9028 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
9029 Call rewrite_into_loop_closed_ssa only when something changed.
9030 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
9031 * lambda-code.c (can_convert_to_perfect_nest): Declared.
9032 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
9033 Test for perfect_nest_p here. Fix formating.
9034 (replace_uses_equiv_to_x_with_y): Fix formating.
9035 (stmt_uses_op): Removed.
9036 (can_convert_to_perfect_nest): Removed loopivs parameter.
9037 Complete the test by checking the scalar dependences.
9038 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
9041 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9044 From Dan Kegel <dank@kegel.com>:
9045 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
9047 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
9049 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
9050 if the element type is variably modified without recursing.
9052 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9055 * tree-loop-linear.c (try_interchange_loops): Test for
9056 no data dependences.
9058 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
9060 PR tree-optimization/27548
9061 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
9062 range of ssa names that appear on abnormal edges.
9063 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
9064 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
9066 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9069 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
9071 2006-05-17 Jakub Jelinek <jakub@redhat.com>
9074 * tree.h (OMP_PARALLEL_COMBINED): Define.
9075 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
9076 (new_omp_context): Add is_combined_parallel argument.
9077 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
9078 new_omp_context caller.
9079 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
9080 Adjust gimplify_scan_omp_clauses callers.
9081 (omp_is_private): Issue errors if iteration variable is firstprivate
9082 or reduction in the current context.
9083 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
9084 on combined parallel workshare constructs.
9086 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9088 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
9089 (gcc-options.o): New rule.
9091 * optc-gen.awk: Protect variables for gcc-options.o with
9092 #ifdef GCC_DRIVER/#endif.
9094 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
9096 Fix PR tree-optimization/27373
9097 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
9098 (forward_propagate_addr_expr): Update call.
9100 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9102 * doc/options.texi: Move the Negative option.
9104 2006-05-16 Richard Guenther <rguenther@suse.de>
9106 PR tree-optimization/22303
9107 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
9109 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
9110 ccp_fold did not simplify the statement.
9112 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9115 * Makefile.in (GCC_OBJS): New.
9116 (OBJS-common): Add opts-common.o.
9117 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
9118 (cpp$(exeext)): Likewise.
9119 (gcc.o): Also depend on opts.h.
9120 (opts-common.o): New.
9122 * common.opt (gcoff): Add Negative(gdwarf-2).
9123 (gdwarf-2): Add Negative(gstabs).
9124 (gstabs): Add Negative(gstabs+).
9125 (gstabs+): Add Negative(gvms).
9126 (gvms): Add Negative(gxcoff).
9127 (gxcoff): Add Negative(gxcoff+).
9128 (gxcoff+): Add Negative(gcoff).
9129 * config/i386/i386.opt (m32): Add Negative(m64).
9130 (m64): Add Negative(m32).
9132 * doc/options.texi: Document the Negative option.
9134 * gcc.c: Include "opts.h".
9135 (main): Call prune_options after expandargv.
9137 * optc-gen.awk: Generate common declarations for all flag
9138 variables in options.c. Output the neg_index field.
9140 * opts.c (find_opt): Moved to ...
9141 * opts-common.c: Here. New file.
9143 * opts.h (cl_option): Add a neg_index field.
9145 (prune_options): Likewise.
9147 2006-05-16 Jakub Jelinek <jakub@redhat.com>
9150 * omp-low.c (expand_omp_parallel): Don't assert
9151 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
9152 instead search for it.
9155 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
9158 2006-05-16 Andreas Schwab <schwab@suse.de>
9160 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
9163 2006-05-15 Roger Sayle <roger@eyesopen.com>
9166 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
9167 integer constants other than zero are only legitimate on TARGET_64BIT.
9168 <CONST_VECTOR> Only zero vectors are legitimate.
9169 (ix86_cannot_force_const_mem): Integral and vector constants can
9170 always be put in the constant pool.
9172 2006-05-16 DJ Delorie <dj@redhat.com>
9174 * crtstuff.c (__dso_handle): Set section from
9175 TARGET_LBIGCC_SDATA_SECTION if defined.
9176 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
9177 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
9179 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
9182 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
9185 2006-05-16 Ben Elliston <bje@au.ibm.com>
9187 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
9189 2006-05-15 Per Bothner <per@bothner.com>
9191 * tree.c: (last_annotated_node): Use source_locus typedef.
9192 This permits bootstrapping with --enable-mapped-location.
9194 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
9196 PR tree-optimization/26830
9197 * tree-into-ssa.c (struct ssa_name_info): Add age field.
9198 (info_for_ssa_name, current_info_for_ssa_name_age,
9199 blocks_to_update): New variables.
9200 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
9201 (clear_ssa_name_info, initialize_flags_in_bb,
9202 mark_block_for_update): New functions.
9203 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
9204 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
9205 prepare_def_site_for): Use mark_block_for_update.
9206 (mark_def_interesting): Assert that the processed block is marked in
9207 blocks_to_update. Do not take blocks argument.
9208 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
9210 (rewrite_update_init_block, rewrite_update_stmt): Only process
9211 blocks with statements to rewrite.
9212 (delete_update_ssa): Do not clear SSA_NAME_AUX.
9213 (update_ssa): Initialize and free blocks_to_update. Do not
9214 clear flags on statements. Do not use blocks bitmap.
9215 * tree.h (SSA_NAME_AUX): Removed.
9216 (struct tree_ssa_name): Removed aux field.
9217 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
9219 2006-05-15 Richard Guenther <rguenther@suse.de>
9221 PR tree-optimization/27603
9222 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
9223 Do computations in original type.
9225 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
9227 * see.c: Code style changes such as redundant paranthesis,
9228 redundant intialization of local variables etc.
9229 (see_main): Declared now as static.
9230 * doc/invoke.texi: Update that -fsee is not enabled by
9233 2006-05-15 Jakub Jelinek <jakub@redhat.com>
9235 * omp-low.c (check_omp_nesting_restrictions): New function.
9236 (scan_omp_1): Call it.
9239 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
9240 construct, return *VAR.
9242 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
9244 PR rtl-optimization/27406
9245 * bt-load.c (migrate_btr_def): Skip the block having abnormal
9248 2006-05-14 Roger Sayle <roger@eyesopen.com>
9250 PR rtl-optimization/27538
9251 * combine.c (expand_compound_operation): Call gen_lowpart
9252 before calling simplify_shift_const.
9254 2006-05-14 Roger Sayle <roger@eyesopen.com>
9256 PR rtl-optimization/22563
9257 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
9258 a fixed width bitfield, always force the intermediates into psuedos.
9260 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
9263 * mkconfig.sh: Use operator = instead of == for test.
9265 2006-05-13 Nick Clifton <nickc@redhat.com>
9267 * dwarf2out.c (dbx_reg_number): Check return value from
9268 LEAF_REG_REMAP and only use it if it is valid.
9269 (multiple_reg_loc_descriptor): Likewise.
9271 2006-05-13 Richard Guenther <rguenther@suse.de>
9273 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
9276 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
9278 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
9279 information attached to non-INSNs such as NOTEs.
9280 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
9282 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
9284 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
9286 * config/s390/s390.md: Adjust comment describing On constraint.
9288 2006-05-11 Jan Hubicka <jh@suse.cz>
9290 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
9291 to be output at -O0.
9293 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9296 * fold-const.c (size_binop): Move sanity check for arguments to
9297 the beginning of the function.
9300 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
9303 2006-05-11 Richard Guenther <rguenther@suse.de>
9306 * fold-const.c (fold_unary): Handle intermediate conversion
9307 to a pointer type like intermediate conversion to an integer
9308 type in folding of (T1)(T2)var to var.
9309 Match the code to the comment in the final conversion for
9310 (T1)(T2)var to (T1)var regarding to type precision. Rather
9311 than disallow T1 being of pointer type, assert that both T1
9312 and var are of pointer type or not. Make sure not to fall
9313 over the frontends lazyness wrt array to pointer decay though.
9315 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
9317 * arm.c (arm_struct_value_rtx): Delete.
9318 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
9319 (arm_init_cumulative_args): Always initialize nregs to zero.
9321 2006-05-10 Richard Guenther <rguenther@suse.de>
9323 PR tree-optimization/27532
9324 * tree-object-size.c (plus_expr_object_size): Fix typo.
9326 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
9329 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
9330 ashrdi_const, ashrdi3): Use a scratch register.
9332 2006-05-10 Richard Guenther <rguenther@suse.de>
9334 PR tree-optimization/27302
9335 * fold-const.c (operand_equal_p): For two comparisons,
9336 try comparison of one comparison code swapped if that yields
9339 2006-05-10 Ben Elliston <bje@au.ibm.com>
9341 * tree-pretty-print.c (pretty_print_string): No need to handle
9342 '\0' as a special character.
9344 * tree.h: Include "hashtab.h".
9345 (iterative_hash_expr): Use hashval_t in its prototype.
9346 * Makefile.in (TREE_H): Add $(HASHTAB_H).
9348 2006-05-09 Steve Ellcey <sje@cup.hp.com>
9351 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
9352 (hppa*64*-*-hpux11*): Ditto.
9353 (hppa[12]*-*-hpux11*): Ditto.
9355 2006-05-09 David Edelsohn <edelsohn@gnu.org>
9358 * config/rs6000/aix41.h (TARGET_64BIT): Define.
9360 2006-05-09 Michael Matz <matz@suse.de>
9362 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
9363 host_extra_gcc_objs and host_xmake_file.
9364 (<*-*-linux*>): Don't overwrite host_xmake_file.
9365 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
9366 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
9367 (host_detect_local_cpu): Declare.
9368 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
9369 * config/i386/i386.c (override_options): Handle -mtune=native
9371 * config/i386/x-i386: New file.
9372 * config/i386/driver-i386.c: New file.
9373 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
9376 2006-05-09 Dirk Mueller <dmueller@suse.de>
9377 Richard Guenther <rguenther@suse.de>
9380 * fold-const.c (fold_read_from_constant_string): Relax check
9381 for matching types to matching modes.
9383 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
9385 PR rtl-optimization/27335
9386 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
9389 2006-05-08 Chao-ying Fu <fu@mips.com>
9390 Richard Sandiford <richard@codesourcery.com>
9392 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
9393 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
9394 * config/mips/mips.md (UNSPEC_SCC): New constant.
9395 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
9396 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
9397 (mips_emit_compare): Use it.
9398 (mips_expand_vcondv2sf): New function.
9400 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
9402 Fix PR tree-optimization/27093
9403 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
9404 renaming when they become not-used_alone.
9406 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9408 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
9409 relocation and relocation stubs.
9411 2006-05-08 Eric Christopher <echristo@apple.com>
9413 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
9416 2006-05-08 Jan Hubicka <jh@suse.cz>
9419 * cgraphunit.c (decide_is_function_needed): When not optimizing even
9420 unused static functions are needed.
9422 2006-05-08 Roger Sayle <roger@eyesopen.com>
9425 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9426 of a reg_equiv_constant if the result is a legitimate constant.
9428 2006-05-08 Uros Bizjak <uros@kss-loka.si>
9431 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
9432 standard 80387 constants, raise the cost to prevent
9433 compress_float_constant() to generate load from memory.
9435 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
9437 * config/arm/constraints.md (c): Fix a typo.
9439 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
9442 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
9445 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
9447 (_mm_mwait): Likewise.
9449 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
9451 (sse3_monitor): Make it 32bit only.
9452 (sse3_monitor64): New. 64bit monitor.
9454 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9457 * config/i386/i386.c (classify_argument): Skip fields with invalid
9460 2006-05-07 Richard Guenther <rguenther@suse.de>
9462 PR tree-optimization/27409
9463 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9464 Do not try to find zero-sized subvars.
9466 2006-05-07 Richard Guenther <rguenther@suse.de>
9468 PR tree-optimization/27136
9469 * tree-ssa-loop-niter.c (get_val_for): Correct function
9470 comment, assert requirements.
9471 (loop_niter_by_eval): Stop processing if the iterated
9472 value did not simplify.
9474 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
9476 * opts.c (flag_see): remove its setting at -O3.
9478 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
9480 * genpeep.c (main): Make insn-peep.c depend on flags.h.
9481 * arm/constraints.md: New file.
9482 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
9483 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
9484 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
9485 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
9486 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
9487 (EXTRA_MEMORY_CONSTRAINT): Likewise.
9488 * arm.md: Include constraints.md.
9489 (thumb_movsi_insn): Use satisfies_constraint_J.
9490 (movhi, movqi): Use satisfies_constraint_I.
9492 2006-04-29 Anatoly Sokolov <aesok@post.ru>
9494 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
9495 for atmeg a645 device.
9497 2006-05-06 Richard Guenther <rguenther@suse.de>
9499 PR tree-optimization/27151
9500 * tree-vect-transform.c (vectorizable_condition): Punt on
9501 values that have a different type than the condition.
9503 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
9506 * c-parser.c (c_parser_cast_expression): Only insert casts into
9507 hash table if pointer.
9508 * function.c (used_types_insert_helper): Rename from
9510 (used_types_insert): Call used_types_insert_helper.
9511 * function.h (used_types_insert): Accept only one argument.
9513 2006-05-05 David Edelsohn <edesohn@gnu.org>
9515 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
9516 scratch with output modifier.
9518 2006-05-04 David Edelsohn <edelsohn@gnu.org>
9521 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
9522 with output modifier.
9524 2006-05-04 Richard Sandiford <richard@codesourcery.com>
9527 * config/mips/mips.c (mips_symbolic_address_p): Return true
9528 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
9529 SYMBOL_GOTTPREL, and SYMBOL_TLS.
9531 2006-05-04 Richard Guenther <rguenther@suse.de>
9533 PR tree-optimization/14287
9534 PR tree-optimization/14844
9535 PR tree-optimization/19792
9536 PR tree-optimization/21608
9537 PR tree-optimization/27090
9538 * tree-ssa-pre.c (try_combine_conversion): New function.
9539 (compute_avail): After constructing the value-handle
9540 expression, use try_combine_conversion to combine NOP_EXPRs
9541 with previous value-handle expressions and use the result if it
9544 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
9546 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
9548 2006-05-04 Jan Hubicka <jh@suse.cz>
9551 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
9553 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
9555 * config/bfin/predicates.md (const01_rtx): Tell generator programs
9556 that this only matches CONST_INTs. All users changed to VOIDmode
9559 * config/bfin/bfin.c: Include "optabs.h".
9560 (bfin_rtx_costs): Some costs for vector operations, to allow combine
9562 (enum bfin_builtins): Add a number of fractional and vector builtins.
9563 (bfin_init_builtins): Likewise.
9564 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
9565 (safe_vector_operand, bfin_expand_binop_builtin,
9566 bfin_expand_unop_builtin): New functions.
9567 (bfin_expand_builtin): Handle the new builtins.
9568 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9571 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
9574 * Makefile.in (OBJS-common): Add see.o.
9575 (see.o): Add dependencies.
9576 * common.opt (fsee): New flag for the see optimization was added.
9577 * opts.c (flag_see): Initialized.
9578 * passes.c (init_optimization_passes, pass_see): New pass.
9579 * rtl.h (see_main): Declaration as extern.
9580 * timevar.def (TV_SEE): New.
9581 * tree-pass.h (pass_see): Declaration as extern.
9582 * invoke.texi (-fsee): Document.
9583 * recog.c (validate_simplify_insn): New function.
9584 * recog.h (validate_simplify_insn): Declaration as extern.
9585 * df-problems.c (df_chain_dump): Check for NULL.
9587 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
9588 Daniel Berlin <dberlin@dberlin.org>
9590 * cfgrtl.c (insert_insn_bb_end_new): New function.
9591 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
9593 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9595 * df.h (struct web_entry): Moved from web.c.
9596 (union_defs): Declaration as extern.
9597 (unionfind_root): Likewise.
9598 (unionfind_union): Likewise.
9599 * web.c (struct web_entry): Moved to df.h.
9600 (unionfind_root): Remove static declaration.
9601 (unionfind_union): Likewise.
9602 (union_defs): Likewise and generalize to use callback function.
9603 (web_main): Update arguments for union_defs function call.
9605 2006-05-04 Richard Guenther <rguenther@suse.de>
9607 PR tree-optimization/26447
9608 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
9609 produce SSA_NAME copies before the store stmt to avoid
9610 breaking exception handling.
9612 2006-05-04 Jakub Jelinek <jakub@redhat.com>
9615 * gimplify.c (omp_is_private): If var is shared in some outer context,
9616 return false instead of true. Stop searching on parallel context
9619 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
9622 * coverage.c: Use get_gcov_unsigned_t() instead of
9623 unsigned_type_node all over.
9625 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
9627 PR tree-optimization/27381
9628 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
9629 maintain the same immediate_use links.
9630 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
9631 node rather than segfaulting.
9633 2006-05-03 Jakub Jelinek <jakub@redhat.com>
9636 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
9637 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
9638 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
9640 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
9642 Fix PR tree-optimization/26626
9643 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
9645 * tree-ssa-operands.c (access_can_touch_variable): Allow
9646 typecasting through union pointers.
9648 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9651 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
9652 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
9653 to find if var will be a global variable even in the nested context.
9654 (omp_copy_decl): Only check for global variable at the end, it might
9655 be overridden in outer contexts.
9656 (scan_sharing_clauses): For global variables don't create a field.
9657 (lower_rec_input_clauses): Do nothing for global shared variables.
9658 Emit a barrier at the end of ILIST if there were any decls in both
9659 firstprivate and lastprivate clauses.
9660 (lower_send_clauses): Do nothing for global variables except for
9663 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
9665 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
9666 of the correct signedness is returned.
9668 2006-05-02 Jeff Law <law@redhat.com>
9670 PR tree-optimization/27364
9671 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
9672 multiply expressions.
9674 2006-05-02 Tom Tromey <tromey@redhat.com>
9676 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
9678 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
9681 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
9682 -mthumb -fPIC are used.
9684 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
9685 Joshua Kinard <kumba@gentoo.org>
9688 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
9689 with 64-bit pointers.
9691 2006-05-02 Paul Brook <paul@codesourcery.com>
9693 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
9695 (create_fix_barrier): Check that a suitable barrier location is
9697 (arm_reorg): Include ftmp->address in allowable range of addresses.
9699 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
9702 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
9705 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9708 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
9709 around RESULT_DECL for result passed by reference.
9710 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
9711 * omp-low.c (use_pointer_for_field): Don't look at
9712 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
9713 (scan_omp_1): Call remap_decl on RESULT_DECLs.
9714 (lower_rec_input_clauses): Don't allocate VLA memory for the second
9715 time or var for passing by reference for
9716 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
9717 TREE_ADDRESSABLE variables when passing by reference.
9719 * omp-low.c (dump_omp_region): Fix output formatting.
9722 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
9723 (expand_omp_parallel): Likewise.
9724 * tree-cfg.c (move_sese_region_to_fn): Likewise.
9727 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
9728 on statement list containing also constructors and destructors.
9729 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
9732 * except.c (duplicate_eh_regions): Fix clearing of
9733 cfun->eh->region_array entries.
9735 2006-05-01 DJ Delorie <dj@redhat.com>
9737 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
9739 (gcc_cv_objdump): Likewise.
9740 * configure: Regenerated.
9742 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
9745 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
9746 templates for case 3 and 4.
9748 2006-05-01 DJ Delorie <dj@redhat.com>
9750 * vec.c: Include bconfig.h when appropriate.
9751 * Makefile.in (build/vec.o): Adjust dependencies.
9752 * mkconfig.sh: Make sure config.h isn't used for build machine
9755 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9757 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
9759 (mark_phi_for_rewrite): New function.
9760 (insert_phi_nodes_for, mark_use_interesting): Call
9761 mark_phi_for_rewrite.
9762 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
9763 (update_ssa): Initialize and free phis_to_rewrite.
9765 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9767 PR rtl-optimization/27291
9768 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
9769 folded to a constant.
9771 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9773 PR tree-optimization/27283
9774 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
9775 not whole # of iteration descriptions.
9776 (niter_for_exit): Return just # of iterations. Fail if # of iterations
9777 uses abnormal ssa name.
9778 (niter_for_single_dom_exit): Ditto.
9779 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
9780 return just the number of iterations.
9782 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9784 PR tree-optimization/27144
9785 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
9786 (record_estimate): Only record constant upper bound.
9787 (infer_loop_bounds_from_undefined): Call
9788 compute_estimated_nb_iterations just once.
9789 (proved_non_wrapping_p): Renamed to ...
9790 (n_of_executions_at_most): ... this. Expect bound to be a constant.
9791 (convert_step_widening, scev_probably_wraps_p): Call
9792 n_of_executions_at_most instead of proved_non_wrapping_p.
9793 (substitute_in_loop_info): Do not replace values in bounds.
9794 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
9797 2006-05-01 Richard Henderson <rth@redhat.com>
9800 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
9801 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
9804 2006-05-01 Roger Sayle <roger@eyesopen.com>
9806 * c-typeck.c (parser_build_binary_op): Don't call the function
9807 unsigned_conversion_warning to spot operand/result type overflow.
9808 (build_binary_op): Instead, call convert_and_check instead of
9809 convert to report the problem when the operands are promoted.
9810 * c-common.c (unsigned_conversion_warning): Make static.
9811 * c-common.h (unsigned_conversion_warning): Delete prototype.
9813 2006-05-01 Richard Guenther <rguenther@suse.de>
9815 PR tree-optimization/26726
9816 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
9818 (find_interesting_uses_address): ... we work around here
9819 by folding INDIRECT_REFs in the substituted base.
9821 2006-05-01 Diego Novillo <dnovillo@redhat.com>
9823 * omp-low.c (dump_omp_region): Add newlines.
9825 2006-04-30 Roger Sayle <roger@eyesopen.com>
9827 * common.opt (Woverflow): New command line option.
9828 * c-common.c (constant_expression_warning): Check warn_overflow.
9829 (overflow_waring): Pass OPT_Woverflow to warning.
9830 (unsigned_conversion_warning): Likewise.
9831 (convert_and_check): Likewise.
9832 * doc/invoke.texi: Document new command line option.
9834 2006-04-30 David Edelsohn <edelsohn@gnu.org>
9836 * config/rs6000/rs6000.c (rs6000_override_options): Enable
9837 TARGET_NO_FP_IN_TOC for section anchors.
9838 (optimization_options): Enable section anchors for all
9839 non-"Objective" languages.
9841 2006-04-28 Eric Christopher <echristo@apple.com>
9843 * config/darwin-c.c (darwin_ms_struct): Move this
9844 (darwin_set_default_type_attributes): and this...
9845 * config/darwin.c: ... here.
9846 * config/darwin.h (darwin_ms_struct): Declare.
9848 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
9850 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
9852 2006-04-28 Roger Sayle <roger@eyesopen.com>
9855 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
9856 (push_array_bounds): Delete prototype. Change BOUNDS argument to
9857 an unsigned HOST_WIDE_INT.
9858 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
9860 (really_start_incremental_init): No need to call convert because
9861 bitsize_zero_node is already of type bitsizetype.
9862 (push_init_level): Extract the value of constructor_index as an
9863 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
9864 (process_init_element): Likewise.
9866 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
9868 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
9869 value before passing to make_relative_prefix.
9871 2006-04-28 Alan Modra <amodra@bigpond.net.au>
9874 * builtins.c (expand_builtin_memset): Expand val in original mode.
9876 2006-04-27 Eric Christopher <echristo@apple.com>
9878 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
9879 with #ifndef/#endif.
9880 * config/darwin-c.c (darwin_ms_struct): New.
9881 (darwin_pragma_ms_struct): Ditto.
9882 (darwin_set_default_type_attributes): Ditto.
9883 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
9884 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
9885 Register ms_struct pragma.
9886 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
9887 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
9888 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
9889 darwin_set_default_type_attributes if TARGET_MACHO.
9891 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
9893 PR tree-optimization/26854
9894 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
9895 * doc/tree-ssa.texi: Update immuse iterator documentation.
9896 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
9897 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
9898 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
9899 first_safe_imm_use, next_safe_imm_use): Remove.
9900 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
9901 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
9902 (move_use_after_head): New. Helper function to sort immuses in a stmt.
9903 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
9904 (first_imm_use_stmt): New. Get first stmt in an immuse list.
9905 (next_imm_use_stmt): New. Get next stmt in an immuse list.
9906 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
9907 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
9908 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
9909 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
9910 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
9911 (perfect_nestify): Use new iterator.
9912 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
9914 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
9915 (next_imm_name): New field in struct immediate_use_iterator_d.
9916 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
9917 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
9918 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
9919 * tree-cfg.c (replace_uses_by): Use new iterator.
9920 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
9921 * tree-ssa-operands.c (correct_use_link): Remove.
9922 (finalize_ssa_use_ops): No longer call correct_use_link.
9924 2006-04-27 Stuart Hastings <stuart@apple.com>
9926 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
9927 * config/t-darwin (crt3.o): Use it.
9928 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
9929 'pmode', use Pmode instead of SImode for SYMBOL_REF.
9930 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
9931 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
9932 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
9935 2006-04-27 Roger Sayle <roger@eyesopen.com>
9937 * expmed.c (store_fixed_bit_field): If we're not optimizing for
9938 size, force the intermediate into a new pseudo rather instead of
9939 performing both a bitwise AND and a bitwise IOR in memory.
9941 2006-04-27 Richard Guenther <rguenther@suse.de>
9943 PR rtl-optimization/26685
9944 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
9945 this one "max-flow-memory-locations".
9947 2006-04-27 Richard Guenther <rguenther@suse.de>
9949 PR tree-optimization/25148
9950 * tree-vrp.c (compare_values): Remove code dealing with
9951 comparisons against type min/max value. Honour overflow
9952 and negative constants in code dealing with comparisons
9953 of plus and minus expressions.
9954 (value_inside_range): Use fold_binary with LE_EXPR and
9955 GE_EXPR rather than compare_values.
9957 2006-04-27 Dirk Mueller <dmueller@suse.de>
9959 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
9962 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
9964 * basic-block.h (safe_insert_insn_on_edge): Removed.
9965 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
9967 2006-04-26 David Edelsohn <edelsohn@gnu.org>
9968 Paolo Bonzini <bonzini@gnu.org>
9971 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
9972 (simplify_and_const_int): Same.
9974 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
9976 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
9978 2006-04-26 Jakub Jelinek <jakub@redhat.com>
9981 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
9982 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
9983 cgraph_global_info_ready.
9986 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
9989 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
9990 either decl or init is error_mark_node.
9993 * tree-flow.h (struct omp_region): Add sched_kind.
9994 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
9995 instead of extracting omp for data.
9996 (expand_omp_for): Save extracted sched_kind.
9998 2006-04-25 Roger Sayle <roger@eyesopen.com>
10000 * expmed.c (store_bit_field): Also check whether the bitsize is
10001 valid for the machine's "insv" instruction before moving the
10002 target into a pseudo for use with the insv.
10003 * config/i386/predicates.md (const8_operand): New predicate.
10004 * config/i386/i386.md (extv, extzv, insv): Use the new
10005 const8_operand predicate where appropriate.
10007 2006-04-25 DJ Delorie <dj@redhat.com>
10009 * doc/install.texi (Specific): Clarify that this is not a list of
10010 supported hosts or targets.
10012 2006-04-25 Richard Sandiford <richard@codesourcery.com>
10014 PR rtl-optimization/26725
10015 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
10016 block's BB_DIRTY flag.
10018 2006-04-25 Geoffrey Keating <geoffk@apple.com>
10020 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
10023 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
10024 to print an integer.
10026 2006-04-25 David Edelsohn <edelsohn@gnu.org>
10028 * varasm.c (align_variable): New function.
10029 (get_block_for_decl): Apply align_variable to DECL before
10030 calculating section information.
10031 (assemble_variable): Split out alignment computation.
10033 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
10035 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
10038 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
10040 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
10041 MODE_PARTIAL_INT mode.
10042 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
10043 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
10045 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
10046 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
10048 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
10050 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
10052 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
10053 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
10054 MACFLAG_IH): Likewise.
10055 (movstricthi_1): Renamed from "*movstricthi".
10056 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
10057 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
10058 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
10059 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
10060 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
10061 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
10062 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
10063 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
10064 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
10065 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
10066 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
10067 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
10068 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
10069 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
10070 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
10072 * doc/rtl.texi (ss_ashift): Improve wording.
10074 2006-04-24 Geoffrey Keating <geoffk@apple.com>
10076 * dwarf2out.c (verify_marks_clear): New.
10077 (prune_unused_types): Call verify_marks_clear initially, not
10080 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
10082 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
10083 * doc/rtl.texi: Document them.
10084 * simplify-rtx.c (simplify_unary_operation,
10085 simplify_binary_operation_1): Don't abort when we see them.
10087 2006-04-24 Mark Mitchell <mark@codesourcery.com>
10090 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10091 * configure.ac: Completely disregard languages that are not
10093 * configure: Regenerated.
10095 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10096 Richard Guenther <rguenther@suse.de>
10098 PR tree-optimization/27236
10099 * tree-inline.c (copy_body_r): Make sure to copy
10100 TREE_THIS_VOLATILE flag.
10102 2006-04-24 Richard Guenther <rguenther@suse.de>
10104 PR middle-end/26869
10105 * tree-complex.c (update_parameter_components): Don't handle
10106 unused parameters which have no default def.
10108 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10109 Richard Guenther <rguenther@suse.de>
10111 PR tree-optimization/27218
10112 * tree-inline.c (expand_call_inline): Strip useless type
10113 conversions for the return slot address.
10115 2006-04-24 Richard Guenther <rguenther@suse.de>
10117 * cfgloop.h (struct loops): Remove unused field array. Reorder
10119 (LOOP_PREFETCH): Remove.
10121 2006-04-24 Richard Guenther <rguenther@suse.de>
10123 PR tree-optimization/22525
10124 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
10125 variable, adjust types of generated expressions.
10127 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
10129 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
10130 (tree-vect-patterns.o): Likewise.
10131 (jump.o): Likewise.
10132 (cselib.o): Likewise.
10133 (loop-doloop.o): Likewise.
10134 (regclass.o): Likewise.
10135 (reload1.o): Likewise.
10136 (explow.o): Replace target.h with $(TARGET_H).
10137 (ipa-prop.o): Likewise.
10138 (ipa-cp.o): Likewise.
10139 (ipa-inline.o): Likewise.
10140 (reorg.o): Likewise.
10141 (reg-stack.o): Likewise.
10143 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10145 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
10147 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10149 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
10151 * configure.ac: Completely disregard languages that are not
10153 * configure: Regenerated.
10156 * c-common.h (c_build_bitfield_integer_type): Declare.
10157 * c-decl.c (c_build_bitfield_integer_type): Move to ...
10158 * c-common.c (c_build_bitfield_integer_type): ... here.
10160 2006-04-23 Roger Sayle <roger@eyesopen.com>
10163 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
10164 a SImode SUBREG of a floating point register after no_new_pseudos.
10166 2006-04-23 Roger Sayle <roger@eyesopen.com>
10168 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
10169 identify potentially eliminable registers to additionally catch
10170 VIRTUAL_INCOMING_ARGS_REGNUM.
10171 (addsi3): Update the conditions on when to use addsi_small_int.
10173 2006-04-23 Roger Sayle <roger@eyesopen.com>
10176 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
10177 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
10178 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
10180 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10182 * fold-const.c (range_predecessor): Use operand_equal_p
10183 as the predicate for equality.
10184 (range_successor): Likewise.
10186 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10189 * config/soft-fp/op-common.h: Fix a typo.
10191 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
10193 PR libmudflap/26864
10194 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
10195 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
10197 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10199 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
10201 * doc/tm.texi: Fix a typo.
10203 2006-04-21 Geoffrey Keating <geoffk@apple.com>
10205 * dwarf2out.c (struct die_struct): Document that die_sib makes
10206 a circular linked list.
10207 (FOR_EACH_CHILD): New.
10208 (reverse_die_lists): Delete.
10209 (reverse_all_dies): Delete.
10210 (add_dwarf_attr): Correct documentation.
10211 (remove_child_with_prev): New.
10212 (remove_child_TAG): Update for change to die_struct, use
10213 remove_child_with_prev.
10214 (add_child_die): Update for change to die_struct.
10215 (splice_child_die): Use remove_child_with_prev and add_child_die.
10216 (print_die): Use FOR_EACH_CHILD.
10217 (die_checksum): Likewise.
10218 (assign_symbol_names): Likewise.
10219 (output_location_lists): Likewise.
10220 (build_abbrev_table): Likewise.
10221 (calc_die_sizes): Likewise.
10222 (mark_dies): Likewise.
10223 (unmark_dies): Likewise.
10224 (unmark_all_dies): Likewise.
10225 (output_die): Likewise.
10226 (prune_unused_types_mark): Likewise.
10227 (prune_unused_types_walk): Likewise.
10228 (same_die_p): Update for change to die_struct.
10229 (break_out_includes): Likewise.
10230 (prune_unused_types_prune): Likewise.
10231 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
10232 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
10233 it's already clear.
10234 (dwarf2out_finish): Don't call reverse_all_dies.
10236 2006-04-21 Eric Christopher <echristo@apple.com>
10238 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
10239 in comments and function names.
10241 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10244 * c-typeck.c (digest_init): Robustify.
10246 * c-typeck.c (pop_init_level): Simplify.
10248 2006-04-21 Steve Ellcey <sje@cup.hp.com>
10250 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
10252 2006-04-21 Paul Brook <paul@codesourcery.com>
10254 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
10255 hardware floating point.
10257 2006-04-21 David Edelsohn <edelsohn@gnu.org>
10259 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
10262 2006-04-21 Nick Clifton <nickc@redhat.com>
10264 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
10267 2006-04-21 Alan Modra <amodra@bigpond.net.au>
10270 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
10271 C++ lang type in traceback table for Objective-C++.
10273 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
10275 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
10277 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
10279 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10282 * tree-mudflap.c (mudflap_finish_file): Skip function when there
10283 were errors. Remove check for erroneous objects.
10285 2006-04-20 Jeff Law <law@redhat.com>
10287 PR tree-optimization/26854
10288 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
10289 checking for zero or one use.
10290 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
10291 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
10292 * tree-ssa-reassoc.c (negate_value): Similarly.
10293 (reassociate_bb): Similarly.
10295 2006-04-20 Jakub Jelinek <jakub@redhat.com>
10297 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
10298 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
10299 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
10301 2006-04-20 Alan Modra <amodra@bigpond.net.au>
10303 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
10304 fp regs if the last fp arg doesn't fit in regs.
10306 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
10309 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
10310 that the last insn has the REG_INC note.
10312 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
10313 Nathan Sidwell <nathan@codesourcery.com>
10316 * stor-layout.c (update_alignment_for_field): Do not align
10318 (place_union_field): Place union field at the start of the union.
10319 (place_field): Move ERROR_MARK check later, and use the current
10320 allocation position to maintain monotonicity.
10322 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
10324 * dominance.c: Include timevar.h.
10325 (calculate_dominance_info): Use TV_DOMINANCE.
10326 * timevar.def (TV_DOMINANCE): New timevar.
10327 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
10329 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10331 PR rtl-optimization/14261
10332 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
10333 move would be an INSV insn.
10334 (noce_process_if_block): Don't optimize if the destination is a
10335 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
10337 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10339 * config/s390/s390.md: Add comments with the instructions emitted
10340 by an insn pattern if macros are used.
10342 2006-04-19 Alan Modra <amodra@bigpond.net.au>
10344 PR rtl-optimization/26026
10345 * fold-const.c (fold_binary): Optimize div and mod where the divisor
10346 is a known power of two shifted left a variable amount.
10348 2006-04-18 Geoffrey Keating <geoffk@apple.com>
10350 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
10351 to hash table twice when the debug_str section has SECTION_MERGE.
10353 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
10355 * config/soft-fp: New directory. From glibc.
10356 * config/soft-fp/t-softfp: New.
10357 * config/soft-fp/README: New.
10358 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
10359 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
10360 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
10361 (LIBGCC_DEPS): Add $(SFP_MACHINE).
10362 * config.gcc: Use rs6000/t-fprules-fpbit or
10363 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
10365 * config/rs6000/sfp-machine.h: New. Based on glibc.
10366 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
10368 * config/rs6000/t-fprules: Remove fp-bit rules.
10369 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
10370 * config/rs6000/t-linux64: Likewise. Remove duplicates from
10371 LIB2FUNCS_EXTRA. Remove fp-bit rules.
10372 (softfp_wrap_start, softfp_wrap_end): New.
10374 2006-04-18 DJ Delorie <dj@redhat.com>
10376 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
10378 2006-04-18 Devang Patel <dpatel@apple.com>
10380 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
10382 2006-04-18 Nick Clifton <nickc@redhat.com>
10384 * config/sh/t-symbian: Add rule to build sh-c.o
10385 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
10386 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
10387 (sh_symbian_encode_section_info): Likewise.
10389 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
10391 * builtins.c (expand_builtin_strcmp): Cover label definition of
10392 do_libcall with HAVE_cmpstrnsi.
10394 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
10396 * function.c (temp_slots_at_level, max_slot_level): Use VEC
10398 * function.h (temp_slot_p): New.
10399 (function): Change the type of x_used_temp_slots to
10400 VEC(temp_slot_p,gc) *.
10402 2006-04-18 Nick Clifton <nickc@redhat.com>
10404 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
10405 flag_strength_reduce.
10407 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
10409 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10413 Partial revert of revision 112637
10414 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10415 Dale Johannesen <dalej@apple.com>
10418 * regclass.c (struct reg_pref): Update documentation.
10419 (regclass): Set prefclass to NO_REGS if memory is the best option.
10420 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10422 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10424 PR tree-optimization/26821
10425 * tree-ssa-math-opts.c (get_constant_one): New.
10426 (insert_reciprocals): Use it.
10428 2006-04-17 Geoffrey Keating <geoffk@apple.com>
10430 * dwarf2out.c (free_AT): Delete.
10431 (remove_AT): Update string ref counts.
10432 (remove_child_TAG): Don't call free_die.
10433 (free_die): Delete.
10434 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
10435 or DW_TAG_GNU_EINCL.
10436 (prune_unused_types_walk_attribs): Reset string refcounts.
10437 (prune_unused_types_update_strings): New.
10438 (prune_unused_types_prune): Don't make unnecessary stores. Don't
10439 call free_die. Do call prune_unused_types_update_strings.
10440 (prune_unused_types): Empty debug_str_hash.
10442 2006-04-17 Roger Sayle <roger@eyesopen.com>
10444 * expr.c (expand_assignment): Optimize away no-op moves where the
10445 source and destination are equal and have no side-effects.
10447 2006-04-17 Richard Guenther <rguenther@suse.de>
10450 * reload.c (push_reload): Guard calls to get_secondary_mem
10451 for memory subregs.
10453 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
10455 * alias.c (reg_base_value, old_reg_base_value): Change the
10456 type to VEC(rtx,gc) *.
10457 (REG_BASE_VALUE, find_base_value, record_set,
10458 init_alias_analysis): Use VEC instead of VARRAY.
10460 * alias.c (alias_sets): Change the type to
10461 VEC(alias_set_entry,gc) *.
10462 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
10463 VEC instead of VARRAY.
10464 (last_alias_set): Remove.
10466 * cgraph.h (cgraph_edge_p): New.
10467 Update the prototype of cgraph_function_versioning.
10468 * cgraphunit.c (cgraph_copy_node_for_versioning,
10469 cgraph_function_versioning): Use VEC instead of VARRAY.
10470 * ipa-cp.c (ipcp_insert_stage): Likewise.
10472 2006-04-16 Roger Sayle <roger@eyesopen.com>
10475 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
10476 "A op B" or "A op C", we may need to convert A to the type of B and C.
10478 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
10480 * target.h (struct gcc_target): Add mode_rep_extended.
10481 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
10482 (init_num_sign_bit_copies_in_rep): Initialize it using
10484 (truncate_to_mode): Use it.
10485 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
10486 * targhooks.h (default_mode_rep_extended): Declare it.
10487 * targhooks.c (default_mode_rep_extended): Define it.
10488 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
10489 default_mode_rep_extended.
10490 (TARGET_INITIALIZER): Include it.
10491 * doc/tm.texi (Misc): Document it.
10492 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
10493 (mips_truncated_to_mode): New function.
10495 2006-04-16 Roger Sayle <roger@eyesopen.com>
10497 PR middle-end/25474
10498 * expr.c (compress_float_constant): Copy the narrow constant into
10499 a new pseudo before extending it to its final width.
10501 2006-04-16 Roger Sayle <roger@eyesopen.com>
10502 Andrew Pinski <pinskia@gcc.gnu.org>
10503 Dale Johannesen <dalej@apple.com>
10506 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
10507 special case code to implement V8HImode and V16QImode with SSE2.
10509 2006-04-15 Roger Sayle <roger@eyesopen.com>
10511 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
10512 trees are constructed with a suitable tree type.
10514 2006-04-15 Roger Sayle <roger@eyesopen.com>
10516 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
10517 (integer_onep): Likewise.
10518 (integer_all_onesp): Likewise.
10519 (integer_pow2p): Likewise.
10520 (integer_nonzerop): Likewise.
10521 (real_zerop): Likewise.
10522 (real_onep): Likewise.
10523 (real_twop): Likewise.
10524 (real_minus_onep): Likewise.
10525 (int_size_in_bytes): Likewise.
10526 (host_integerp): Likewise.
10528 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
10530 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
10531 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
10532 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
10534 * tree-ssa-structalias.h (alias_info): Remove num_references.
10536 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10538 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
10539 (output_bvb patterns): Likewise.
10540 * pa.c (output_bb): Use 'bb' insn for long branch case.
10541 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
10542 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
10543 1. Correct length operand for alternatives 1 and 2.
10544 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
10545 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
10547 2006-04-14 Roger Sayle <roger@eyesopen.com>
10549 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
10550 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
10551 were accidentally reverted by r112959.
10553 2006-04-15 Jakub Jelinek <jakub@redhat.com>
10555 PR middle-end/26823
10556 * except.h (eh_region_outermost): New prototype.
10557 * except.c (eh_region_outermost): New function.
10558 * tree-cfg.c (find_outermost_region_in_block): Use it.
10560 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10562 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
10564 * reload1.c (reg_equiv_memory_loc_varray): Rename to
10565 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
10566 (init_reload, reload): Use VEC instead of VARRAY.
10567 * reload.h: Update the prototype for
10568 reg_equiv_memory_loc_varray.
10570 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
10571 Eric Botcazou <ebotcazou@libertysurf.fr>
10573 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
10574 register save area.
10576 2005-04-13 Uros Bizjak <uros@kss-loka.si>
10578 PR middle-end/27134
10579 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
10580 to expand fallback builtin function call.
10582 2006-04-14 Alan Modra <amodra@bigpond.net.au>
10584 PR middle-end/27095
10585 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
10586 and emit libcall here in case the builtin fails.
10587 (expand_builtin_strcmp): Always emit the libcall here on failure.
10589 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10591 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
10592 * flow.c (reg_n_info): Change the type to
10593 VEC(reg_info_p,heap) *.
10594 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
10596 * regs.h (reg_info_p): New.
10597 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
10598 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
10599 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
10602 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
10604 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
10606 * params.h (MAX_SCHED_READY_INSNS): New macro.
10607 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
10608 past MAX_SCHED_READY_INSNS during the first scheduling pass.
10609 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
10610 the ready list for 1 cycle during the first scheduling pass.
10611 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
10613 2006-04-13 Richard Henderson <rth@redhat.com>
10616 * gimple-low.c (lower_omp_directive): Remove dead code.
10617 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
10618 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
10619 * omp-low.c (struct omp_region): Move to tree-flow.h.
10620 (root_omp_region): Export.
10621 (omp_regions, lookup_omp_region): Remove.
10622 (determine_parallel_type): Update for struct omp_region changes.
10623 (dump_omp_region): Dump regions with block numbers.
10624 (new_omp_region): Take type and block instead of stmt; malloc
10626 (free_omp_region_1, free_omp_regions): New.
10627 (expand_parallel_call): Take entry_stmt as argument; update for
10628 changes to omp_region.
10629 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
10630 (remove_exit_barriers): New.
10631 (expand_omp_parallel): Update for struct omp_region changes.
10632 (expand_omp_synch): Likewise.
10633 (expand_omp): Likewise.
10634 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
10635 (expand_omp_for_static_chunk): Likewise.
10636 (expand_omp_for): Likewise.
10637 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
10638 (expand_omp_sections): Similarly, with GOMP_sections_end.
10639 (expand_omp_single): New.
10640 (build_omp_regions_1): Update for OMP_CONTINUE.
10641 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
10642 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
10643 OMP_SECTIONS_SECTIONS.
10644 (lower_omp_single_simple): Don't emit barrier here.
10645 (lower_omp_single_copy): Likewise.
10646 (lower_omp_single): Fix bindings, and lower to straightline now.
10647 (lower_omp_master, lower_omp_ordered): Likewise.
10648 (lower_omp_critical): Likewise.
10649 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
10650 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
10651 omp edges, free it afterward.
10652 (make_omp_sections_edges): Remove.
10653 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
10654 (move_stmt_r): Handle OMP_CONTINUE.
10655 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
10656 statement pointers to basic blocks. Add type member.
10657 (root_omp_region, new_omp_region, free_omp_regions): Declare.
10658 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
10659 * tree-inline.c (estimate_num_insns_1): Likewise.
10660 * tree-pretty-print.c (dump_generic_node): Likewise.
10661 * tree-ssa-operands.c (get_expr_operands): Likewise.
10662 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
10663 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
10664 (OMP_CONTINUE): New.
10665 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
10666 (OMP_SECTIONS_SECTIONS): Remove.
10667 (OMP_SECTION_LAST): New.
10668 (OMP_RETURN_NOWAIT): New.
10670 2006-04-13 Roger Sayle <roger@eyesopen.com>
10672 * fold-const.c (native_encode_vector, native_interpret_real):
10673 Correct obvious mistakes in the previous check-in.
10675 2006-04-13 Roger Sayle <roger@eyesopen.com>
10677 * fold-const.c (native_encode_expr): New function to encode
10678 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
10679 or VECTOR_CST into a specified buffer.
10680 (native_encode_int): New function.
10681 (native_encode_real): New function.
10682 (native_encode_complex): New function.
10683 (native_encode_vector): New function.
10684 (native_interpret_expr): Inverse of native_encode_expr to convert
10685 a target representation into an INTEGER_CST, REAL_CST etc...
10686 (native_interpret_int): New function.
10687 (native_interpret_real): New function.
10688 (native_interpret_complex): New function.
10689 (native_interpret_vector): New function.
10690 (fold_view_convert_expr): New function to constant fold/evaluate
10691 a VIEW_CONVERT_EXPR of a suitable constant expression.
10692 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
10693 Change call of build1 to fold_build1 when constructing a
10696 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
10697 Ulrich Weigand <uweigand@de.ibm.com>
10700 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
10703 2006-04-13 Alan Modra <amodra@bigpond.net.au>
10706 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
10707 optimize to lo_sum for DFmode if !TARGET_FPRS.
10709 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10711 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
10712 delete_alias_info, compute_flow_sensitive_aliasing,
10713 group_aliases): Use VEC instead of VARRAY.
10714 * tree-ssa-structalias.c (update_alias_info): Likewise.
10715 * tree-ssa-structalias.h (alias_info): Change the type of
10716 processed_ptrs to VEC(tree,heap) *.
10718 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
10721 * config/sh/lib1funcs.h: New file, broken out of:
10722 * config/sh/lib1funcs.asm.
10723 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
10725 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
10726 * config/sh/lib1funcs-Os-4-200.asm: New file.
10727 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
10728 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
10729 (EXTRA_MULTILIB_PARTS): Include it.
10730 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
10731 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
10732 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
10733 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
10736 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10738 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
10739 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
10740 tpa_compact, root_var_init, type_var_init): Use VEC instead of
10742 * tree-ssa-live.h: Include vecprim.h.
10743 (tree_partition_associator_d): Change the type of
10744 first_partition to VEC(int,heap) *.
10745 (tpa_first_partition): Use VEC instead of VARRAY.
10747 * Makefile.in (GTFILES): Move functions.h after tree.h.
10748 * function.c (reset_block_changes, record_block_change,
10749 check_block_change, free_block_changes): Use VEC instead of
10751 * function.h (function): Change the type of
10752 ib_boundaries_block to VEC(tree,gc) *.
10753 * tree-inline.c (copy_cfg_body): Initialize
10754 ib_boundaries_block to NULL instead of (varray_type) 0.
10756 2006-04-12 Roger Sayle <roger@eyesopen.com>
10758 * expr.c (emit_group_store): Correct operand order in call to
10759 subreg_lowpart_offset. Always create paradoxical SUBREGs with
10760 a SUBREG_BYTE of zero.
10762 2006-04-12 Richard Guenther <rguenther@suse.de>
10764 * profile.c (compute_branch_probabilities): Remove code
10765 encapsulated in !ir_type (), which are remanents of the
10766 removed RTL profiling code.
10767 * rtl-profile.c: Remove.
10769 2006-04-12 Alan Modra <amodra@bigpond.net.au>
10771 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
10772 magic NULL_RTX comment.
10773 (function_arg): Store entire fp arg to mem if any part should go
10775 (rs6000_arg_partial_bytes): Adjust for above change.
10777 2006-04-11 Roger Sayle <roger@eyesopen.com>
10779 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
10780 if it hasn't been initialized by dwarf2out_init.
10782 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
10784 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
10785 symbolic constants in branch patterns.
10787 2006-04-11 Roger Sayle <roger@eyesopen.com>
10789 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
10791 2006-04-11 Richard Sandiford <richard@codesourcery.com>
10793 PR rtl-optimization/27073
10794 * gcse.c (try_replace_reg): Revert last change. Continue to search
10795 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
10798 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
10800 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
10801 aggregate types other than record and union types.
10802 (function_arg): Likewise.
10803 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
10805 (function_value): In 64-bit mode, return objects that require it
10808 2006-04-11 Roger Sayle <roger@eyesopen.com>
10810 * dwarf2out.c (premark_used_types): Remove problematic prototype.
10812 2006-04-11 Jakub Jelinek <jakub@redhat.com>
10814 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
10816 2006-04-03 Jeff Law <law@redhat.com>
10819 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
10820 alias information too.
10822 2006-04-10 Mike Frysinger <vapier@gentoo.org>
10824 * Makefile.in (gcc-cross): Add $(exeext) to target name.
10826 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
10829 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
10830 (premark_used_types_helper): New.
10831 (premark_used_types): New.
10832 (gen_subprogram_die): Call premark_used_types.
10833 (prune_unused_types_walk): Do not prune perennial dies.
10834 * function.c (used_types_insert): New.
10835 * function.h (struct function): Add used_types_hash field.
10836 (used_types_insert): Add prototype.
10837 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
10838 * c-parser.c (c_parser_cast_expression): Save casted types in used
10841 2006-04-11 Mark Mitchell <mark@codesourcery.com>
10844 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
10845 rs6000_explicit_options.float_gprs.
10847 2006-04-10 Roger Sayle <roger@eyesopen.com>
10849 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
10850 from ix86_expand_vector_init_low_nonzero. Take an additional
10851 one_var argument indicating which element is non-zero. Support
10852 one_var != 0 for V4SFmode and V4SImode by permuting the result.
10853 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
10854 with one_var instead of ix86_expand_vector_init_low_nonzero.
10856 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
10858 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
10859 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
10860 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
10861 build/genextract.o): Depend on vecprim.h.
10862 * cfglayout.c, df-problems.c, function.c, genextract.c,
10863 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
10864 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
10868 2006-04-10 Geoffrey Keating <geoffk@apple.com>
10870 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
10871 Declare VECs of this type.
10872 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
10873 (remove_children): Delete.
10874 (add_dwarf_attr): Use VEC routines.
10875 (add_AT_flag): Update for changes to add_dwarf_attr.
10876 (add_AT_int): Likewise.
10877 (add_AT_unsigned): Likewise.
10878 (add_AT_long_long): Likewise.
10879 (add_AT_vec): Likewise.
10880 (add_AT_string): Likewise.
10881 (add_AT_die_ref): Likewise.
10882 (add_AT_fde_ref): Likewise.
10883 (add_AT_loc): Likewise.
10884 (add_AT_loc_list): Likewise.
10885 (add_AT_addr): Likewise.
10886 (add_AT_lbl_id): Likewise.
10887 (add_AT_lineptr): Likewise.
10888 (add_AT_macptr): Likewise.
10889 (add_AT_offset): Likewise.
10890 (add_AT_range_list): Likewise.
10891 (get_AT): Use VEC_iterate.
10892 (remove_AT): Use VEC_ordered_remove.
10893 (free_die): Fold remove_children into here; have it use VEC_iterate.
10894 (print_die): Use VEC_iterate on attrs.
10895 (reverse_die_lists): Don't reverse attr lists.
10896 (die_checksum): Use VEC_iterate on attrs.
10897 (same_die_p): Likewise.
10898 (output_location_lists): Likewise.
10899 (build_abbrev_table): Likewise.
10900 (size_of_die): Likewise.
10901 (unmark_all_dies): Likewise.
10902 (output_abbrev_section): Likewise.
10903 (output_die): Likewise.
10904 (prune_unused_types_walk_attribs): Likewise.
10906 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10908 * doc/install.texi (*-*-solaris2*): Point to the configure page.
10910 2006-04-10 Jakub Jelinek <jakub@redhat.com>
10913 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
10915 2006-04-09 Roger Sayle <roger@eyesopen.com>
10917 * expr.c (store_constructor): Don't bother clearing target if
10918 we're about to assign a vector to it using vec_init_optab.
10920 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
10922 * tree-ssa-alias.c (lhs_may_store_to): New function.
10923 (recalculate_used_alone): Handle LHS of calls.
10925 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10929 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
10930 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
10931 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
10932 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
10933 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
10934 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
10935 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
10936 stubs. Add ".align 8" directives before all ".dword" directives.
10937 (GTHREAD_USE_WEAK): Revise comment.
10938 (TARGET_ATTRIBUTE_WEAK): Define.
10939 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
10940 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
10941 * stublib.c: New file.
10946 * pa.md (cbranch patterns): Revise arguments used in calls to
10947 output_cbranch, output_bb and output_bvd. Add long branch length
10949 (fbranch patterns): Handle long branches.
10950 (jump): Revise length check. Revise arguments for output_lbranch call.
10951 Add long branch length attributes.
10952 (decrement_and_branch_until_zero): Add long branch length attributes.
10953 (output_movb, output_parallel_addb and output_parallel_movb patterns):
10954 Likewise. Revise arguments for output_parallel_addb and
10955 output_parallel_movb calls.
10956 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
10957 output_parallel_movb and output_parallel_addb): Update prototypes.
10958 * pa.c (output_cbranch): Revise arguments. Correct handling of
10959 nullification in long branches.
10960 (output_lbranch): Add new argument to control extraction of delay
10962 (output_bb): Handle long branches.
10963 (output_bvb, output_dbra, output_movb, output_parallel_movb,
10964 output_parallel_addb): Likewise.
10966 2006-04-09 Richard Sandiford <richard@codesourcery.com>
10968 PR rtl-optimization/27073
10969 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
10972 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
10974 * tree.h (tree_memory_tag): Add old_used_alone.
10975 (SMT_OLD_USED_ALONE): New macro.
10976 * tree-ssa-alias.c (recalculate_used_alone): Stop
10977 marking things for renaming unnecessarily.
10979 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
10981 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
10982 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
10983 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
10984 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
10985 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
10986 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
10987 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
10988 spelling convensions.
10989 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
10990 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
10991 typos. Follow spelling conventions.
10993 2006-04-07 DJ Delorie <dj@redhat.com>
10995 * config/m32c/m32c.c (m32c_function_arg): Structures are always
10996 passed on the stack.
10997 (m32c_init_cumulative_args): When a function returns a structure,
10998 always pass the pointer to that return area on the stack.
10999 (m32c_function_arg_advance): Don't increment the parameter number
11000 if we're processing the returned structure pointer.
11001 (pushm_info): Reverse order of registers.
11003 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
11005 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
11006 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11007 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
11008 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
11009 build_int_cst_type.
11010 * tree-chrec.c (chrec_fold_multiply_poly_poly,
11011 chrec_fold_multiply): Same.
11012 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
11013 force_expr_to_var_cost): Same.
11014 * tree-mudflap.c (mf_xform_derefs_1): Same.
11015 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
11017 2006-04-07 David Edelsohn <edelsohn@gnu.org>
11019 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
11020 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
11023 2006-04-07 Jan Hubicka <jh@suse.cz>
11025 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
11027 2006-04-07 Richard Guenther <rguenther@suse.de>
11029 PR tree-optimization/26135
11030 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
11031 loads for store copy-prop.
11032 (copy_prop_visit_stmt): Likewise.
11034 2006-04-05 Robert Millan <robertmh@gnu.org>
11036 * config/i386/linux.h: Add a comment to mark macros that are
11037 being overriden in config/k*bsd-gnu.h.
11038 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
11040 * config/knetbsd-gnu.h: Ditto.
11042 2006-04-06 Jan Hubicka <jh@suse.cz>
11046 * coverage.c (coverage_checksum_string): Reorganize loop to not read
11049 2006-04-06 Mike Stump <mrs@apple.com>
11051 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
11052 for HAVE_nonlocal_goto to be consistent.
11053 (expand_builtin_nonlocal_goto): Likewise.
11054 (expand_builtin_strcmp): Use #ifdef instead of #if
11055 for HAVE_cmpstrnsi to be consistent.
11057 2006-04-05 DJ Delorie <dj@redhat.com>
11059 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
11062 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
11064 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
11065 got-relative addressing for anything but SImode.
11067 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
11068 even if the calling function doesn't modify them.
11070 2006-04-05 Richard Guenther <rguenther@suse.de>
11072 PR tree-optimization/26919
11073 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
11074 to cgraph_estimate_size_after_inlining.
11076 2006-04-05 Alan Modra <amodra@bigpond.net.au>
11078 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
11080 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
11082 PR tree-optimization/26996
11083 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
11084 VECTOR_TYPE variables.
11086 2006-04-05 Richard Guenther <rguenther@suse.de>
11088 PR tree-optimization/26763
11089 * fold-const.c (fold_comparison): Move folding of
11090 PTR + CST CMP PTR + CST ...
11091 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
11093 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
11095 * doc/install.texi (Prerequisites): Refine some wording on
11096 bootstrapping and ksh.
11097 Move the version numbers of DejaGnu here from the testing section
11098 and fix casing of names.
11099 Fix markup and clarify wording for autogen requirements.
11100 Refer to GCJ instead of just java.
11101 Refer to SVN instead of CVS.
11102 Describe diffutils as useful instead of necessary.
11103 (Downloading the source): Refer to SVN instead of CVS.
11104 Adjust a link to our web site accordingly.
11105 (Configuration): Fix casing of Bison.
11106 (Building): Refer to SVN instead of CVS.
11107 Fix a sentence on the use of Bison and remove duplicate (and
11108 incorrect) version number of Bison requirement.
11109 Remove one redundant list of packages needed for building.
11110 (Specific): Avoid reference to CVS.
11112 2006-04-04 Eric Christopher <echristo@apple.com>
11114 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
11115 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
11116 (rs6000_handle_struct_attribute): New.
11117 (rs6000_ms_bitfield_layout_p): Ditto.
11119 2006-04-04 Geoffrey Keating <geoffk@apple.com>
11121 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
11122 NULL for dso parameter to atexit_common.
11124 2006-04-04 Eric Christopher <echristo@apple.com>
11126 * config/i386/i386.c (machopic_output_stub): Output \t
11127 between instructions and operands.
11129 2006-04-04 David Edelsohn <edelsohn@gnu.org>
11131 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
11132 satisfies_constraint_[IL] to explicit tests on value.
11134 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
11136 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11137 set_nb_iterations_in_loop): Use build_int_cst instead of
11138 build_int_cst_type.
11139 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
11140 build_int_cst instead of convert.
11142 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
11144 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
11145 new value 2 for incoming.
11146 * function.c (expand_function_start): Call struct_value_rtx
11147 with incoming as 2.
11148 * config/sparc/sparc.md: Comment updated_return.
11149 * config/sparc/sparc.opt: Add -mstd-struct-return option.
11150 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
11151 struct return if sparc_std_struct_return and incoming is 2.
11152 (print_operand): Do not adjust return if
11153 sparc_std_struct_return.
11155 2006-04-04 Roger Sayle <roger@eyesopen.com>
11157 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
11158 convert in the middle-end.
11159 * expr.c (store_expr, store_constructor, get_inner_reference,
11160 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
11162 * tree.c (build_range_type): Likewise.
11164 2006-04-04 Tom Tromey <tromey@redhat.com>
11166 * doc/install.texi (Prerequisites): Mention jar.
11168 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
11170 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
11173 2006-04-04 Matthias Klose <doko@debian.org>
11175 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
11179 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
11182 2006-04-03 Geoffrey Keating <geoffk@apple.com>
11184 * doc/extend.texi (Function Attributes): Rewrite visibility
11185 attribute documentation.
11186 * doc/invoke.texi (C++ Dialect Options): Rewrite
11187 -fvisibility-inlines-hidden documentation to describe something
11188 entirely different, although in practise compatible.
11189 (Code Gen Options): Warn about system headers in -fvisibility=
11192 * doc/extend.texi (Other Builtins): Document that
11193 __builtin_nan is a compile-time constant only when its argument
11196 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
11198 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
11199 trying to remove TRUNCATE check if all bits outside the new mode
11200 are identical to the sign bit.
11202 2006-04-03 Jeff Law <law@redhat.com>
11204 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
11205 and operand scanning in some common cases.
11207 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
11208 Dale Johannesen <dalej@apple.com>
11211 * regclass.c (struct reg_pref): Update documentation.
11212 (regclass): Set prefclass to NO_REGS if memory is the best option.
11213 (record_reg_classes): Cope with a prefclass set to NO_REGS.
11214 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
11215 into account. For non-registers, equate an empty preferred
11216 reload class to a `!' in the constraint; move the if clause to
11217 do so after those that reject the insn.
11218 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
11220 (find_dummy_reload): Likewise.
11221 * doc/tm.texi (Register Classes): Document what it means
11222 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
11223 * config/i386/i386.c (ix86_preferred_reload_class): Force
11224 using SSE registers (and return NO_REGS for floating-point
11225 constants) if math is done with SSE.
11226 (ix86_preferred_output_reload_class): New.
11227 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
11228 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
11229 * config/i386/i386.md: Remove # register preferences.
11231 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11234 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11235 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
11236 the type of nb_iter.
11237 (instantiate_parameters_1): Convert the operands before calling
11238 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
11239 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
11241 2006-04-02 Roger Sayle <roger@eyesopen.com>
11243 * builtins.c (dummy_object): Use build_int_cst instead of convert.
11244 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
11245 instead of convert.
11246 * dojump.c (do_jump): Likewise.
11247 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
11248 * gimplify.c (gimple_boolify, gimplify_init_constructor,
11249 gimplify_boolean_expr): Likewise.
11250 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
11251 * varasm.c (array_size_for_constructor): Likewise.
11252 * tree-object-size.c (compute_object_offset): Likewise.
11254 2006-04-02 Roger Sayle <roger@eyesopen.com>
11256 PR middle-end/26977
11257 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
11258 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
11260 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11262 PR tree-optimization/26939
11263 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
11265 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11267 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
11268 at_stmt. Convert the type of operands before calling
11269 build_polynomial_chrec.
11270 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
11271 add_to_evolution_1.
11272 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
11273 (instantiate_parameters_1): Convert the type of operands before calling
11274 build_polynomial_chrec.
11275 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
11276 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
11277 reset_evolution_in_loop): Insert asserts to check the types of the
11279 (chrec_type): Moved...
11280 (eq_evolutions_p): Use operand_equal_p.
11281 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
11282 the types of the operands.
11283 (chrec_type): ...here.
11284 * tree-data-ref.c (create_data_ref): Convert the operands before
11285 calling chrec_replace_initial_condition.
11286 (same_access_functions, analyze_subscript_affine_affine,
11287 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
11288 (compute_subscript_distance, analyze_ziv_subscript,
11289 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
11290 analyze_miv_subscript): Convert the operands before calling
11291 chrec_fold_minus or chrec_fold_plus.
11293 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11295 * tree-data-ref.c (compute_all_dependences): Use a pointer to
11296 the dependence_relations vector.
11297 (compute_data_dependences_for_loop): Adjust call to
11298 compute_all_dependences.
11300 2006-04-01 Roger Sayle <roger@eyesopen.com>
11301 Richard Henderson <rth@redhat.com>
11303 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
11304 gimple_boolify on the condition before calling gimplify_expr.
11306 2006-03-31 Bob Wilson <bob.wilson@acm.org>
11308 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
11309 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
11310 the frame size. Update to use the new macros.
11311 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
11312 * config/xtensa/ieee754-df.S: Likewise.
11314 2006-03-31 Richard Henderson <rth@redhat.com>
11316 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
11317 (make_edges): ... here. Control fallthru creation with a local
11318 variable. Do not play with fake edges.
11319 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
11320 (make_goto_expr_edges): Don't play with fake edges. Make for_call
11323 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
11325 * dwarf2.h (DW64_CIE_ID): Define.
11326 * dwarf2out.c (DWARF_CIE_ID): Define.
11327 (output_call_frame_info): Output 0xffffffff before standard 8-byte
11328 length header. Use DWARF_CIE_ID.
11329 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
11330 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
11332 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
11334 * config/sh/linux-atomic.asm: New file.
11335 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
11337 2006-03-31 DJ Delorie <dj@redhat.com>
11339 * config/m32c/cond.md: Set condition flags properly throughout.
11340 * config/m32c/minmax.md: Likewise.
11341 * config/m32c/prologue.md: Likewise.
11342 * config/m32c/bitops.md: Likewise.
11343 * config/m32c/muldiv.md: Likewise.
11344 * config/m32c/mov.md: Likewise.
11345 * config/m32c/addsub.md: Likewise.
11346 * config/m32c/m32c.md: Likewise.
11347 * config/m32c/jump.md: Likewise.
11348 * config/m32c/shift.md: Likewise.
11350 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
11351 conditionally output the pattern for this.
11352 * config/m32c/m32c.c (flags_needed_for_conditional): New.
11353 (m32c_compare_redundant): New.
11354 (m32c_output_compare): New.
11355 * config/m32c/m32c-protos.h (m32c_output_compare): New.
11357 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
11358 dest, not src. Allow other 4-byte modes.
11360 2006-03-30 Denis Chertykov <denisc@overta.ru>
11362 * doc/md.texi: Refer to avr/constraints.md instead of
11365 2006-03-30 Roger Sayle <roger@eyesopen.com>
11367 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
11368 signed vs. unsigned comparison failures on some hosts.
11370 2006-03-31 Alan Modra <amodra@bigpond.net.au>
11373 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
11374 change to FLOAT_REGS.
11376 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
11377 (rs6000_override_options): Use it.
11378 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
11379 only for -mabi=spe/no-spe and -mabi=altivec.
11381 2006-03-30 Geoffrey Keating <geoffk@apple.com>
11383 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
11386 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
11388 * Makefile.in: Rename docdir to gcc_docdir.
11390 2006-03-30 Roger Sayle <roger@eyesopen.com>
11393 * expr.c (emit_group_store): Optimize group stores into a pseudo
11394 register by using a paradoxical subreg to initialize the destination
11395 if the first or last member of the group specifies a "low part".
11397 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11400 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
11401 * target.h (struct gcc_target.speculate_insn): Change type of the
11402 second parameter to 'int'.
11403 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
11404 the second operand of the DEPS_LIST.
11405 (copy_DEPS_LIST_list): Update reference to the second operand of the
11407 * rtl.h (alloc_DEPS_LIST): Update signature.
11408 * sched-int.h (ds_t): Change typedef to 'int'.
11409 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11411 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11413 * haifa-sched.c (try_ready): Change condition to restore
11414 non-speculative pattern of the instruction.
11415 (process_insn_depend_be_in_spec): Code to keep probability of the
11416 speculative dependence non-decreasing.
11418 2006-03-30 Jie Zhang <jie.zhang@analog.com>
11420 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
11421 (single_move_for_movmem): ... this. Also change all uses.
11422 (bfin_expand_strmov): Renamed to...
11423 (bfin_expand_movmem): ... this. Also change all uses.
11424 * config/bfin/bfin.md (movstrsi): Renamed to...
11425 (movstrsi): ...this.
11427 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
11429 PR tree-optimization/26830
11431 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
11432 (copy_prop_visit_stmt): Remove write-only variable ann.
11433 (init_copy_prop): Check variable loop depth here. Do not simulate
11434 memory-tag and virtual operand PHIs except for store copy prop.
11436 2006-03-30 Richard Guenther <rguenther@suse.de>
11438 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
11439 variants with double arguments.
11441 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11443 * genpreds.c (write_tm_constrs_h): Delete variable p.
11444 * genconditions.c (write_header): Add tm-constrs.h to included
11446 * genpeep.c (main): Add toplev.h to included headers.
11447 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
11448 (build/genpeep.o): Add toplev.h dependency.
11449 * config/rs6000/constraints.md: Add "W" constraint.
11451 2006-03-29 Roger Sayle <roger@eyesopen.com>
11453 * stor-layout.c (mode_for_size_tree): Remove restiction on type
11454 sizes by correctly testing whether the size fits a host integer.
11455 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
11456 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
11457 SImode range for the default sizetype and bitsizetype.
11459 2006-03-29 Roger Sayle <roger@eyesopen.com>
11461 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
11462 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
11463 quickly if the argument is already of the correct type.
11464 Call fold_build1 instead of build1. Tidy up blank lines.
11466 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11468 * genemit.c (main): Add tm-constrs.h to included headers.
11469 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
11470 * genpeep.c (main): Add tm-constrs.h to included headers.
11471 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
11472 (write_tm_constrs_h): this and write complete file.
11473 (write_tm_preds_h): Do not emit satisfies_constraint fns.
11474 (write_insn_preds_c): Add tm-constrs.h to included headers.
11475 (gen_constrs): New variable.
11476 (parse_option): Parse "-c".
11477 (main): Invoke write_tm_constrs_h.
11478 * genrecog.c (write_header): Add tm-constrs.h to included headers.
11479 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
11480 (object_out_file): Add tm-constrs.h dependency.
11481 (insn-emit.o): Same.
11482 (insn-output.o): Same.
11483 (insn-peep.o): Same.
11484 (insn-preds.o): Same.
11485 (insn-recog.o): Same.
11486 (tm-constsr.h): New target.
11487 (s-constrs-h): New target.
11489 * config/rs6000/constraints.md: New file.
11490 * config/rs6000/rs6000.c: Include tm-constrs.h.
11491 (num_insn_constant_wide): Convert to satisfies_constraint.
11492 (rs6000_rtx_costs): Convert to satisfies_constraint.
11493 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
11494 (CONST_OK_FOR_LETTER_P): Delete.
11495 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11496 (EXTRA_CONSTRAINT): Delete.
11497 (EXTRA_MEMORY_CONSTRAINT): Delete.
11498 (EXTRA_ADDRESS_CONSTRAINT): Delete.
11499 * config/rs6000/predicates.md: Convert to satisfies_constraint.
11500 * config/rs6000/rs6000.md: Include constraints.md. Convert to
11501 satisfies_constraint.
11503 * config/i386/i386.c: Include tm-constrs.h.
11505 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11507 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
11508 * tree-data-ref.c (find_data_references_in_loop,
11509 compute_data_dependences_for_loop): Use pointers to VEC.
11510 (analyze_all_data_dependences): Adjust calls.
11511 * tree-data-ref.h (find_data_references_in_loop,
11512 compute_data_dependences_for_loop): Adjust declarations.
11513 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
11514 compute_data_dependences_for_loop.
11516 2006-03-29 Paul Brook <paul@codesourcery.com>
11518 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
11519 (movdf_vfp): Ditto.
11521 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11523 PR tree-optimization/26859
11524 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
11526 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
11527 for the step after fold_convert.
11529 2006-03-29 Paul Brook <paul@codesourcery.com>
11531 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
11532 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
11534 2006-03-29 Paul Brook <paul@codesourcery.com>
11536 PR middle-end/23623
11537 * targhooks.c (default_narrow_bitfield): New fuction.
11538 * targhooks.h (default_narrow_bitfield): add prototype.
11539 * target.h (gcc_target): Add narrow_volatile_bitfield.
11540 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11541 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
11542 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
11543 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11545 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
11547 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
11549 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
11550 (NR_C_MODES): Add TDmode, DDmode and SDmode.
11551 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
11552 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
11553 (s390_function_arg_float): Allow SDmode and DDmode values to be
11554 passed in floating point registers.
11555 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
11556 check with SCALAR_FLOAT_MODE_P.
11557 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
11559 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11561 PR tree-optimization/25985
11562 * tree-ssa-loop-niter.c (number_of_iterations_le,
11563 number_of_iterations_ne): Make comments more precise.
11564 (number_of_iterations_cond): Add only_exit argument. Use the
11565 fact that signed variables do not overflow only when only_exit
11567 (loop_only_exit_p): New.
11568 (number_of_iterations_exit): Pass result of loop_only_exit_p to
11569 number_of_iterations_cond.
11571 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11573 PR tree-optimization/26643
11574 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
11577 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
11579 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
11580 (divsi3_i4_int): Likewise.
11582 2006-03-28 Roger Sayle <roger@eyesopen.com>
11584 * expr.c (emit_group_store): Only create a new pseudo reg if the
11585 quantity it needs to hold isn't already a suitable pseudo.
11587 2006-03-28 Jeff Law <law@redhat.com>
11589 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
11590 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
11592 2006-03-28 Roger Sayle <roger@eyesopen.com>
11594 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
11595 the equivalent ~X & Y, and the symmetry related transformations.
11596 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
11597 ~X & Y, and symmetry related transforms.
11599 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11601 Revert my 2006-03-27 patches.
11603 2006-03-28 Roger Sayle <roger@eyesopen.com>
11605 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
11606 ~(T1)X, when T1 and T2 are integer types of the same precision
11607 and (T2)X isn't an extension.
11609 2006-03-28 Jeff Law <law@redhat.com>
11611 PR tree-optimization/26796
11612 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
11613 need EH edge cleanups rather than purging them immediately.
11614 (eliminate_degenerate_phis): Handle queued EH cleanups.
11616 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
11618 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
11621 2006-03-27 Roger Sayle <roger@eyesopen.com>
11623 PR middle-end/22524
11624 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
11625 cast BIT_NOT_EXPR operand to the correct type.
11627 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
11629 * tree-loop-linear.c: Don't include varray.h.
11630 (gather_interchange_stats, try_interchange_loops,
11631 linear_transform_loops): Use VEC instead of VARRAY.
11632 * lambda-mat.c: Don't include varray.h.
11633 * tree-chrec.c: Same.
11634 * lambda-trans.c: Same.
11635 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
11636 VEC instead of VARRAY.
11637 * tree-vectorizer.h: Idem.
11638 * tree-data-ref.c (dump_data_references,
11639 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
11640 initialize_data_dependence_relation, finalize_ddr_dependent,
11641 compute_all_dependences, find_data_references_in_loop,
11642 compute_data_dependences_for_loop, analyze_all_data_dependences,
11643 free_dependence_relation, free_dependence_relations,
11644 free_data_refs): Idem.
11645 * tree-data-ref.h (data_reference_p, subscript_p): New.
11646 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
11647 VEC instead of VARRAY.
11648 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
11649 (find_data_references_in_loop, compute_data_dependences_for_loop,
11650 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
11651 dump_data_dependence_relations, free_dependence_relations,
11652 free_data_refs): Adjust declaration.
11653 (lambda_transform_legal_p): Move declaration here...
11654 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
11655 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
11656 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
11657 vect_analyze_data_refs): Use VEC instead of VARRAY.
11658 * lambda.h (lambda_transform_legal_p): ...from here.
11659 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
11660 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
11661 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
11662 tree-chrec.o): Don't depend on VARRAY_H.
11664 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11666 * rtl.def (Copyright): Update date.
11667 (DEPS_LIST): Change type of the second operand to 'int'.
11668 * target.h (Copyright): Update date.
11669 (struct gcc_target.speculate_insn): Change type of the second parameter
11671 * lists.c (Copyright): Update date.
11672 (alloc_DEPS_LIST): Change signature. Update reference to the second
11673 operand of the DEPS_LIST.
11674 (copy_DEPS_LIST_list): Update reference to the second operand of the
11676 * rtl.h (Copyright): Update date.
11677 (alloc_DEPS_LIST): Update signature.
11678 * sched-int.h (Copyright): Update date.
11679 (ds_t): Change typedef to 'int'.
11680 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11682 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11684 * haifa-sched.c (Copyright): Update date.
11685 (try_ready): Change condition to restore non-speculative pattern
11686 of the instruction.
11687 (process_insn_depend_be_in_spec): Code to keep probability of the
11688 speculative dependence non-decreasing.
11690 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
11692 * regrename.c (replace_oldest_value_addr): Initialize a variable to
11693 shut up the compiler.
11695 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
11697 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
11698 to use lib prefix for target.
11699 ($(T)libic_invalidate_array_4-200.a): Likewise.
11700 ($(T)libic_invalidate_array_4a.a): Likewise.
11702 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
11703 J"orn Rennecke <joern.rennecke@st.com>
11705 * superh.opt: New file.
11706 * sh.c (boardtype, osruntime): Remove.
11707 * superh.h (SUBTARGET_OPTIONS): Remove.
11708 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
11710 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
11711 arguments with ^ and/or [].
11713 * config.gcc (sh-*-*): Add quoting to account for quirk of
11715 Replace == with = in enable_incomplete_targets test.
11717 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
11718 with MASK_LITTLE_ENDIAN.
11720 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
11721 * config/sh/sh.opt: Added to some comments.
11722 * config/sh/superh.h: Removed some chaff.
11724 * config/sh/sh.opt: Add m4-[1234]00* options.
11725 * config/sh/sh.c (sh_handle_option): Likewise.
11726 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
11727 (ic_invalidate_array_4-100.o): New rule.
11728 ($(T)libic_invalidate_array_4-100.a): Likewise.
11729 (ic_invalidate_array_4-200.o): Likewise.
11730 ($(T)libic_invalidate_array_4-200.a): Likewise.
11731 (ic_invalidate_array_4a.o): Likewise.
11732 ($(T)libic_invalidate_array_4a.a): Likewise.
11733 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
11734 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
11736 * config/sh/crt1.asm: Merged in profiling code.
11737 * config/sh/superh.h (STARTFILE_SPEC): Override.
11738 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
11739 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
11740 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
11742 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
11743 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
11744 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
11746 * sh.opt (mpretend-cmove): New option.
11747 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
11748 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
11749 (movsicc): Add TARGET_PRETEND_CMOVE code.
11751 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
11753 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
11754 s390_class_max_nregs): New function prototypes.
11755 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
11756 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
11757 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
11758 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
11760 2006-03-26 Geoffrey Keating <geoffk@apple.com>
11762 * dwarf2out.c (add_location_or_const_value_attribute): Call
11763 tree_add_const_value_attribute if nothing else works.
11764 (reference_to_unused): New.
11765 (rtl_for_decl_init): Use reference_to_unused to decide whether
11766 to output an initializer.
11768 2006-03-27 Alan Modra <amodra@bigpond.net.au>
11771 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
11772 peephole removing spe frob_di_df_2.
11774 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
11776 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
11777 (subscript_dependence_tester_1): Declared.
11778 (print_dir_vectors, print_dist_vectors): New.
11779 (debug_data_dependence_relation): New.
11780 (dump_data_dependence_relation): Print more details.
11781 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
11782 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
11783 (save_dist_v, save_dir_v, add_outer_distances,
11784 build_classic_dist_vector_1): New.
11785 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
11786 Don't test for lambda_vector_lexico_pos.
11787 (same_access_functions, add_multivariate_self_dist,
11788 add_other_self_distances, dir_from_dist): New.
11789 (build_classic_dir_vector): Replace implementation almost identical to
11790 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
11792 (subscript_dependence_tester_1): New.
11793 (subscript_dependence_tester): Handle the lexicographically negative
11794 distance vectors by recomputing the dependence relation.
11795 (compute_affine_dependence): Remove parameter loop_nest_depth.
11796 (compute_self_dependence): Don't call compute_subscript_distance.
11797 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
11798 Add a parameter for the loop_nest.
11799 (find_loop_nest_1, find_loop_nest): New.
11800 (compute_data_dependences_for_loop): Compute the loop nest, and give
11801 up if the nest is not well formed.
11802 * tree-data-ref.h (loop_p): New.
11803 (struct data_dependence_relation): Replace size_vect field with
11804 loop_nest, a vec of loops.
11805 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
11806 (DDR_LOOP_NEST): New.
11807 (print_dir_vectors, print_dist_vectors,
11808 debug_data_dependence_relation): Declared.
11809 (index_in_loop_nest): New.
11810 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
11811 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
11814 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
11816 * simplify-rtx.c (simplify_relational_operation): Call
11817 simplify_relational_operation_1 even if mode is VOIDmode.
11819 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
11821 PR tree-optimization/26804
11822 * tree.h (DECL_CALL_CLOBBERED): New macro.
11823 (tree_decl_common): Add call_clobbered_flag.
11824 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
11825 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
11826 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
11827 (mark_non_addressable): Ditto.
11828 * tree-ssa.c (verify_call_clobbered): New function.
11829 (verify_alias_info): Use it.
11830 * tree-pass.h (pass_reset_cc_flags): New prototype.
11831 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
11832 (reset_cc_flags): New function.
11833 * passes.c (init_optimization_passes): Call reset_cc_flags after
11834 initializing referenced_vars.
11836 2006-03-25 Uros Bizjak <uros@kss-loka.si>
11837 Roger Sayle <roger@eyesopen.com>
11839 PR middle-end/26717
11840 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
11841 to 1.0 for non-real operands. Implement A / A optimization for
11844 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
11846 * config/i386/i386.c (size_cost): Correct the comment for
11847 cost of storing fp registers.
11848 (i386_cost): Likewise.
11849 (i486_cost): Likewise.
11850 (pentium_cost): Likewise.
11851 (pentiumpro_cost): Likewise.
11852 (k6_cost): Likewise.
11853 (athlon_cost): Likewise.
11854 (k8_cost): Likewise.
11855 (pentium4_cost): Likewise.
11856 (nocona_cost): Likewise.
11857 (generic64_cost): Likewise.
11858 (generic32_cost): Likewise.
11860 2006-03-24 Denis Chertykov <denisc@overta.ru>
11862 * config/avr/avr-protos.h (extra_constraint): Delete.
11863 (extra_constraint_Q): New declaration.
11864 * config/avr/constraints.md: New file.
11865 * config/avr/avr.md: Include it.
11866 (REG_X, REG_Y, REG_Z, REG_W): New constants.
11867 (TMP_REGNO, ZERO_REGNO): Likewise.
11868 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
11869 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
11870 (extra_constraint): Delete.
11871 (extra_constraint_Q): Test for memory constraint 'Q'.
11872 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
11873 (REG_CLASS_FROM_LETTER): Delete.
11874 (CONST_OK_FOR_LETTER_P): Delete.
11875 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11876 (EXTRA_CONSTRAINT): Delete.
11877 (TMP_REGNO): Delete.
11878 (ZERO_REGNO): Delete.
11880 2006-03-24 Jeff Law <law@redhat.com>
11882 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
11883 directly. Call mark_new_vars_to_rename slightly earlier.
11885 2006-03-24 Geoffrey Keating <geoffk@apple.com>
11887 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
11888 (is_cxx): Likewise.
11889 (gen_compile_unit_die): Use new language types for Objective-C and
11891 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
11892 DW_LANG_C_plus_plus.
11895 * config/t-darwin (crt3.o): Work around bug 26840.
11896 * config/darwin-crt3.c: Rewrite.
11897 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
11899 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
11901 * doc/invoke.texi: Document -femit-class-debug-always
11902 * common.opt: Add -femit-class-debug-always.
11904 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
11906 * config/s390/s390.c (s390_decompose_address): Allow SImode for
11907 index and base register.
11908 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
11909 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
11910 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
11911 REGNO_OK_FOR_INDEX_P.
11912 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
11914 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
11915 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
11916 REG_OK_FOR_BASE_P): Definitions removed.
11918 2006-03-24 Jakub Jelinek <jakub@redhat.com>
11920 PR middle-end/26611
11921 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
11922 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
11923 set yet or weren't marked as local yet.
11925 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
11927 * regrename.c (scan_rtx_address): Initialize a variable to shut up
11930 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
11932 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
11933 (rs6000_legitimate_small_data_p): Delete.
11934 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
11935 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
11936 and make static. Add forward declaration. Update uses.
11937 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
11938 of offsettable_memref_p.
11939 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
11940 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
11942 2006-03-24 Jeff Law <law@redhat.com>
11944 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
11945 around bug in immediate-use iterator.
11947 2006-03-24 Alan Modra <amodra@bigpond.net.au>
11950 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
11951 or __LITTLE_ENDIAN__.
11953 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
11955 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
11956 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
11957 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
11958 * config/sh/sh.opt (mdiv=): Amend description.
11959 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
11960 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
11961 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
11962 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
11963 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
11964 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
11965 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
11966 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
11967 TARGET_DIVIDE_CALL_FP.
11969 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11971 * haifa-sched.c (choose_ready): Fix type of the local variable.
11972 Move local variables. Add comment.
11973 (check_reg_live): Change signature. Make callable from debugger.
11974 * sched-int.h (check_reg_live): Update signature.
11975 * sched-ebb.c (check_reg_live): Update parameters.
11976 * sched-rgn.c (check_reg_live): Ditto.
11977 (region_head_or_leaf_p): Check pointer before dereferencing.
11978 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
11979 before reload on optimization levels below 1.
11981 2006-03-23 Richard Henderson <rth@redhat.com>
11983 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
11987 * config/alpha/predicates.md (local_symbolic_operand): Reject
11990 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
11993 * tree-ssa-pre.c (create_value_expr_from): Don't reject
11994 expressions which have overflowed constants.
11996 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11998 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
12000 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
12002 * cfgloopmanip.c (create_loop_notes): Removed.
12003 * final.c (final_scan_insn): Do not handle loop notes.
12004 * jump.c (squeeze_notes): Ditto.
12005 * cfglayout.c (skip_insns_after_block,
12006 duplicate_insn_chain): Ditto.
12007 * cfgcleanup.c (rest_of_handle_jump2): Do not call
12009 * cfgloop.h (create_loop_notes): Declaration removed.
12011 2006-03-23 Richard Sandiford <richard@codesourcery.com>
12013 * varasm.c (output_constant_pool): Restore fnname and fndecl
12015 (assemble_start_function): Adjust call accordingly.
12016 (assemble_end_function): Likewise.
12018 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12021 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
12024 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
12026 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12029 * system.h (ICE_EXIT_CODE): New macro.
12030 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
12031 (diagnostic_action_after_output): Likewise.
12032 * gcc.c (fatal_ice): New function.
12033 (execute): Use it instead of fatal.
12034 (fancy_abort): Likewise.
12035 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
12037 2006-03-22 Jeff Law <law@redhat.com>
12039 * loop-unroll.c (analyze_iv_to_split_insn): Handle
12040 iv_analyze_result returning false.
12042 2006-03-22 Jie Zhang <jie.zhang@analog.com>
12044 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
12046 2006-03-22 Richard Henderson <rth@redhat.com>
12048 PR middle-end/26084
12049 * except.c (duplicate_eh_regions_0): New.
12050 (duplicate_eh_region_1): Duplicate the children of the node as
12051 well as the node itself. Link them up properly.
12052 (duplicate_eh_region_2): Merge into ...
12053 (duplicate_eh_regions): ... here. Take copy_region argument, and
12054 copy only a sub-tree if asked. Simplify copying and fixup.
12055 (eh_region_outer_p): New.
12056 * except.h (duplicate_eh_regions): Update decl.
12057 (eh_region_outer_p): Declare.
12058 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
12059 (lower_omp_master): Likewise.
12060 (lower_omp_ordered): Likewise.
12061 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
12062 (move_stmt_r): Use it to remap labels. Handle recursion vs
12063 remap_decls_p properly.
12064 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
12065 (find_outermost_region_in_block): New.
12066 (new_label_mapper): New.
12067 (move_sese_region_to_fn): Copy eh information to the new function
12069 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
12071 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
12074 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12076 * doc/md.texi (-mshared): Mention that -mshared code can be linked
12077 into shared libraries.
12079 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12081 * doc/md.texi: Refer to i386/constraints.md instead of
12082 i386/predicates.md.
12083 * config/i386/constraints.md: New file, extracted from...
12084 * config/i386/predicates.md: ...here.
12085 * config/i386/i386.md: Include constraints.md.
12087 2006-03-21 Jason Merrill <jason@redhat.com>
12089 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
12091 PR middle-end/20297
12092 * expr.c (init_block_move_fn): Force default visibility.
12093 (init_block_clear_fn): Likewise.
12094 * builtins.c (expand_builtin_fork_or_exec): Likewise.
12095 * targhooks.c (default_external_stack_protect_fail): Likewise.
12097 2006-03-21 Richard Sandiford <richard@codesourcery.com>
12099 * config/mips/predicates.md (const_call_insn_operand): Allow direct
12100 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
12101 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
12102 Use TARGET_OLDABI instead of !TARGET_NEWABI.
12103 (loadgp): Use mips_current_loadgp_style.
12104 (loadgp_noshared): New pattern.
12105 (sibcall_internal): Use MIPS_CALL.
12106 (sibcall_value_internal): Likewise.
12107 (sibcall_value_multiple_internal): Likewise.
12108 (call_internal): Likewise.
12109 (call_value_internal): Likewise.
12110 (call_value_multiple_internal): Likewise.
12111 (call_split): Use MIPS_CALL and add an 'S' constraint.
12112 (call_value_split): Likewise.
12113 (call_value_multiple_split): Likewise.
12114 * config/mips/mips.opt (-mabicalls): Tweak docstring.
12115 (-mshared): New option.
12116 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
12117 (mips_current_loadgp_style): Declare.
12118 * config/mips/mips.c (mips_classify_symbol): Avoid using
12119 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
12120 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
12121 TARGET_ABSOLUTE_ABICALLS.
12122 (override_options): Adjust comments. Improve the warning that is
12123 issued when -mabicalls and -G are used together.
12124 (mips_file_start): Remove comment.
12125 (mips_current_loadgp_style): New function.
12126 (mips_gnu_local_gp): New variable.
12127 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
12129 (mips_output_function_prologue): Use mips_current_laodgp_style.
12130 (mips_expand_prologue): Call mips_emit_loadgp before emitting
12131 the cprestore instruction.
12132 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
12133 live for TARGET_ABSOLUTE_ABICALLS.
12134 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
12135 (ASM_SPEC): Pass down -mshared and -mno-shared.
12136 (MIPS_CALL): New macro.
12137 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
12139 * doc/invoke.texi (-mabicalls): Update documentation.
12140 (-mshared): Document.
12142 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12144 * config/ia64/unwind-hpux.c: New file.
12145 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
12147 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12150 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
12152 2006-03-21 Jeff Law <law@redhat.com>
12154 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
12155 type conversions of a VR_VARYING source to a wider type.
12157 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
12159 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
12160 tm_file on Solaris 10 and later.
12161 (sparc64-*-solaris2*): Likewise.
12162 (sparc-*-solaris2*): Likewise.
12163 * config/sol26.h: Rename to config/sol2-6.h.
12164 * config/sol2-10.h: New file.
12166 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
12169 * tree-ssa-pre.c (create_component_ref_by_pieces):
12172 2006-03-21 Jakub Jelinek <jakub@redhat.com>
12175 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
12176 return it immediately.
12178 2006-03-21 Michael Matz <matz@suse.de>
12180 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
12182 (remove_arc, add_arc): Update num_out_arcs member.
12183 (set_out_arc_insns_equiv_num): Returns nothing instead of number
12185 (cache_presence): New function.
12186 (compare_states_for_equiv): New function.
12187 (state_is_differed): Don't take number of outargs, adjust callers.
12188 Use new invariant for speeding up.
12189 (init_equiv_class): Create initial classes based on sorted
12191 (partition_equiv_class): Don't track out_arcs_num.
12192 (evaluate_equiv_classes): Call cache_presence on all states and
12195 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
12197 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
12198 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
12199 (bfin_valid_reg_p): Test for pseudos explicitly and use only
12200 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
12202 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
12203 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
12204 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
12205 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
12206 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
12208 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
12209 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
12210 (REGNO_REG_CLASS): ARGP is in PREGS.
12211 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
12213 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
12214 to deal with those addresses.
12215 * addresses.h: New file.
12216 * caller-save.c: Include "addresses.h".
12217 (init_caller_save): Use new base_reg_class function.
12218 * rtl-factoring.c: Include "addresses.h".
12219 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
12220 * recog.c: Include "addresses.h".
12221 (preprocess_constraints): Use new base_reg_class function.
12222 * regrename.c: Include "addresses.h".
12223 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
12224 functions. Keep track of a new var INDEX_CODE to compute valid
12226 (replace_oldest_value_addr): Likewise.
12227 (replace_oldest_value_mem): Use base_reg_class.
12228 * reload.c: Include "addresses.h".
12229 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
12230 (find_reloads): Use new base_reg_class function.
12231 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
12232 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
12233 all callers and prototype changed.
12234 * reload1.c: Include "addresses.h".
12235 (maybe_fix_stack_asms): Use base_reg_class.
12236 * regclass.c: Include "addresses.h".
12237 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
12238 (init_reg_autoinc): Use new base_reg_class function.
12239 (record_reg_classes): Likewise.
12240 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
12241 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
12242 Use new args to compute necessary class.
12244 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
12245 regrename.o, rtl-factoring.o): Update dependencies.
12246 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
12247 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
12248 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
12249 REG_OK_FOR_INDEX_P): Delete documentation.
12251 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
12253 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
12254 from V7 to V9 for Solaris 7 and above.
12256 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
12258 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
12259 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
12260 argument pointers may not alias any other storage.
12261 * common.opt: Define option -fargument-noalias-anything.
12262 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
12263 alias semantics is specified by flag_argument_noalias > 2.
12265 2006-03-20 Jeff Law <law@redhat.com>
12267 * tree-pass.h (pass_phi_only_copy_prop): Delete.
12268 (pass_phi_only_cprop): Declare.
12269 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
12270 with phi_only_cprop
12271 * tree-ssa-dom.c (degenerate_phi_result): New function.
12272 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
12273 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
12274 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
12275 (eliminate_degenerate_phis): Likewise.
12276 (pass_phi_only_cprop): New pass descriptor.
12277 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
12278 support code. Callers updated.
12279 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
12280 (store_copy_prop): Likewise.
12281 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
12283 2006-03-20 Jason Merrill <jason@redhat.com>
12286 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
12287 (push_visibility, pop_visibility): Likewise.
12288 * c-pragma.h: Declare them.
12290 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
12292 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
12294 * config/sh/sh.c (find_regmode_weight): Change the type of the first
12295 parameter and use get_ebb_head_tail.
12296 (sh_md_init_global): Adjust uses of find_regmode_weight.
12298 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
12300 * function.h (struct function) <x_tail_recursion_reentry>:
12301 Rename to x_stack_check_probe_note.
12302 (tail_recursion_reentry): Rename to stack_check_probe_note.
12303 * function.c: Replace tail_recursion_reentry with
12304 stack_check_probe_note everywhere.
12305 (expand_function_start): Only emit a note for
12306 stack_check_probe_note with -fstack-protect.
12307 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
12309 * emit-rtl.c (remove_unnecessary_notes): Remove.
12310 (pass_remove_unnecessary_notes): Remove.
12311 * rtl.h (remove_unnecessary_notes): Remove prototype.
12312 * final.c (final_start_function): Don't call remove_unnecessary_notes.
12313 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
12314 * passes.c (pass_remove_unnecessary_notes): Don't run it.
12316 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
12319 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
12320 (valid_in_set): Handle ARRAY_REF.
12321 Change "if min_variant or VH" to asserts.
12322 (create_component_ref_by_pieces): Handle ARRAY_REF.
12323 (create_expression_by_pieces): Likewise.
12324 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
12326 2006-03-20 David Edelsohn <edelsohn@gnu.org>
12328 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
12329 is operand of switch, not str[0].
12331 2006-03-20 Alan Modra <amodra@bigpond.net.au>
12333 * config/rs6000/rs6000.c (rs6000_handle_option): Use
12334 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
12336 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12338 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
12339 end of insn_extra_address_constraint declaration.
12341 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12343 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
12344 (no-sum-in-toc): Same.
12345 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
12347 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
12348 NO_FP_IN_TOC for -fPIC instead of mask.
12350 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
12351 (BOOT_LDFLAGS): Delete.
12353 * config/rs6000/t-aix52: Same.
12355 * config/rs6000/rs6000.md (store_multiple_power): Delete.
12356 (stmsi[345678]_power): New.
12358 2006-03-17 Steve Ellcey <sje@cup.hp.com>
12360 * config/ia64/ia64.opt: Add empty line to end of file.
12362 2006-03-17 Richard Guenther <rguenther@suse.de>
12364 PR middle-end/26721
12365 * builtins.c (get_pointer_alignment): For component style references
12366 adjust alignment to the component type alignment. Make sure
12367 to adjust alignment for component access of constants.
12369 2006-03-17 David Edelsohn <edelsohn@gnu.org>
12371 * config/rs6000/rs6000.md (strlensi): Emit barrier after
12372 unconditional jump.
12374 2006-03-17 Paul Brook <paul@codesourcery.com>
12376 * doc/install.texi: Docuemnt --with-mode.
12377 * config.gcc: Add --with-mode for arm*-*-*.
12378 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
12380 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
12382 * sh.c (max_labelno_before_reorg): New variable.
12383 (sh_reorg): Initialize it.
12384 (find_barrier): Check max_labelno_before_reorg before using
12385 label_to_alignment. Take length of explicit alignment insns
12386 into account. When seeing a UNSPECV_CONST_END, return it.
12388 * sh.c (fixup_mova): Set mode of affected label to QImode.
12389 (untangle_mova): New function.
12390 (find_barrier): Use it. Check mode of label before decrementing
12392 (sh_reorg): Likewise.
12393 Set mode of all insns back to VOIDmode.
12395 * sh.c (MOVA_LABELREF): New macro.
12396 (mova_p, fixup_mova, sh_reorg): Use it.
12397 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
12398 ADDR_DIFF_VEC matches mova.
12400 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
12402 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
12403 with ATTRIBUTE_UNUSED.
12405 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
12407 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
12408 pointer, instead of assuming it is possible to derive the
12409 correct args size from a call insn.
12411 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12413 * rtl.h (CONST_INT_P): Define.
12414 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
12415 instead of GET_CODE(x) == CONST_INT.
12416 (vax_rtx_costs): Likewise.
12417 (vax_output_int_move): Likewise.
12418 (vax_output_int_add): Likewise.
12419 (legitimate_constant_address_p): Likewise.
12420 (index_term_p): Likewise.
12421 * config/vax/vax.h (PRINT_OPERAND): Likewise.
12422 * config/vax/vax.md (and<mode>3): Likewise.
12423 (ashrsi3): Likewise.
12425 (movstricthi): Likewise.
12426 (movstrictqi): Likewise.
12427 (rotrsi3): Likewise.
12428 (five unnamed insns): Likewise.
12430 2006-03-16 Geoffrey Keating <geoffk@apple.com>
12432 * doc/tm.texi (SDB and DWARF): Add extra parameter to
12433 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
12434 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
12435 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
12436 Pass to ASM_OUTPUT_DWARF_OFFSET.
12437 * dwarf2out.c (debug_frame_section): New.
12438 (output_call_frame_info): Use debug_frame_section. Pass it to
12439 dw2_asm_output_offset.
12440 (output_die): Pass appropriate section to dw2_asm_output_offset.
12441 (output_compilation_unit_header): Likewise.
12442 (output_pubnames): Likewise.
12443 (output_aranges): Likewise.
12444 (enum dw_val_class): Break dw_val_class_lbl_offset into
12445 dw_val_class_lineptr and dw_val_class_macptr.
12446 (add_AT_lbl_offset): Delete.
12447 (add_AT_lineptr): New.
12448 (add_AT_macptr): New.
12449 (AT_lbl): Expect a lineptr or macptr.
12450 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
12451 (attr_checksum): Likewise.
12452 (same_dw_val_p): Likewise.
12453 (size_of_die): Likewise.
12454 (value_format): Likewise.
12455 (output_die): Likewise.
12456 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
12458 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12459 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
12460 * config/darwin-protos.h (darwin_file_start): New.
12461 (darwin_asm_output_dwarf_offset): New.
12462 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12463 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
12465 * config/darwin.c (darwin_emit_unwind_label): Don't output label
12466 if not EH section; simplify.
12467 (darwin_file_start): New.
12468 (darwin_asm_output_dwarf_offset): New.
12469 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
12471 (DEBUG_INFO_SECTION): Likewise.
12472 (DEBUG_ABBREV_SECTION): Likewise.
12473 (DEBUG_ARANGES_SECTION): Likewise.
12474 (DEBUG_MACINFO_SECTION): Likewise.
12475 (DEBUG_LINE_SECTION): Likewise.
12476 (DEBUG_LOC_SECTION): Likewise.
12477 (DEBUG_PUBNAMES_SECTION): Likewise.
12478 (DEBUG_STR_SECTION): Likewise.
12479 (DEBUG_RANGES_SECTION): Likewise.
12480 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
12481 (ASM_OUTPUT_DWARF_OFFSET): New.
12483 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
12485 * config.gcc (tm_defines): Always add to previous value rather
12488 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12490 * config/mips/predicates.md (splittable_const_int_operand): New,
12491 split from move_operand.
12492 (splittable_symbolic_operand): New.
12493 (move_operand): Add commentary. Use splittable_const_int_operand.
12494 Inline mips_atomic_symbolic_constant_p.
12495 * config/mips/mips.md: Add combine splitters for handling moves
12496 of splittable_const_int_operands and splittable_symbolic_operands.
12497 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
12498 (mips_split_symbol): Declare.
12499 (mips_move_integer): Declare.
12500 * config/mips/mips.c (mips_split_p): Make global.
12501 (TARGET_MIN_ANCHOR_OFFSET): Override default.
12502 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12503 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12504 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
12505 (mips_offset_within_object_p): Handle block symbols.
12506 (mips_atomic_symbolic_constant_p): Delete.
12507 (mips_cannot_force_const_mem): Return false for constants that
12508 mips_legitimize_move can handle.
12509 (mips_use_blocks_for_constant_p): New function.
12510 (mips_split_symbol): Make global.
12511 (mips_move_integer): Likewise. Add a temporary register argument.
12512 (mips_legitimize_const_move): Use splittable_const_int_operand and
12513 splittable_symbolic_operand.
12514 (mips_use_anchors_for_symbol_p): New function.
12515 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
12516 (mips_split_p): Declare.
12518 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12520 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
12521 (mips*-*-linux*): Likewise.
12523 2006-03-16 Roger Sayle <roger@eyesopen.com>
12524 Daniel Speyer <dspeyer@wam.umd.edu>
12526 PR middle-end/18259
12527 * tree-dump.c (dump_real): New function.
12528 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
12529 * Makefile.in (REAL_H): New macro for dependencies on real.h.
12530 (tree-dump.o): Add $(REAL_H) to the dependencies.
12532 2006-03-16 Roger Sayle <roger@eyesopen.com>
12534 PR middle-end/21781
12535 * real.c (real_from_string): If the mantissa is zero, don't bother
12536 parsing the exponent as the result should always be zero.
12538 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
12540 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
12542 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12544 * config/ia64/ia64.c (stops_p): Added explicit initialization.
12545 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
12546 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
12547 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
12548 ia64_sched_finish_global): New static functions to implement
12549 hooks from gcc_target.sched.
12550 (spec_check_no, max_uid, pending_data_specs): New static variables.
12551 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
12552 ia64_spec_check_src_p): New static functions.
12553 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
12554 (TARGET_SCHED_ADJUST_COST): Removed.
12555 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
12556 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
12557 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12558 TARGET_SCHED_GEN_CHECK,
12559 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12560 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
12561 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
12562 Fixed to handle speculation checks.
12563 (rtx_needs_barrier): Fixed to handle speculative loads and
12565 (ia64_variable_issue): Added code to count speculative loads and their
12567 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
12569 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
12571 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
12573 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
12574 (ia64_reorg): Reset stops_p to NULL after it is freed.
12575 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
12576 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
12577 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
12579 (data_speculative, control_speculative, check_load): New attributes.
12580 (mov<mode>_advanced, mov<mode>_speculative,
12581 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
12582 zero_extend<mode>di2_speculative,
12583 zero_extend<mode>di2_speculative_advanced): New patterns for
12584 data and control speculative loads.
12585 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
12587 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
12588 New pattern for data and control speculation checks.
12589 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
12590 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
12591 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
12592 Auxiliary definitions for the patterns.
12593 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
12594 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
12596 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
12598 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
12599 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
12600 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
12601 New resource constraints.
12602 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
12604 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
12605 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
12606 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12607 msched-in-control-spec, msched-ldc, msched-control-ldc,
12608 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12609 msched-prefer-non-control-spec-insns,
12610 msched-count-spec-in-critical-path): New flags to tune speculative
12612 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
12613 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12614 msched-in-control-spec, msched-ldc, msched-control-ldc,
12615 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12616 msched-prefer-non-control-spec-insns,
12617 msched-count-spec-in-critical-path): Document new flags.
12619 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12621 * target.h (struct spec_info_def): New opaque declaration.
12622 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
12623 speculate_insn, needs_block_p, gen_check,
12624 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
12625 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
12626 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
12627 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
12628 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12629 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
12631 (TARGET_SCHED): Use new macros.
12632 * rtl.h (copy_DEPS_LIST_list): New prototype.
12633 * sched-int.h (struct sched_info): Change signature of new_ready field,
12634 adjust all initializations. New fields: add_remove_insn,
12635 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
12636 region_head_or_leaf_p.
12637 (struct spec_info_def): New structure declaration.
12638 (spec_info_t): New typedef.
12639 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
12640 recovery_block, orig_pat.
12641 (glat_start, glat_end): New variables declaraions.
12642 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
12644 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
12645 DETACH_LIFE_INFO, USE_GLAT.
12646 (enum SPEC_SCHED_FLAGS): New enumeration.
12647 (NOTE_NOTE_BB_P): New macro.
12648 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
12649 attach_life_info, debug_spec_status, check_reg_live): New functions.
12650 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
12651 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
12653 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
12654 * ddg.c (get_block_head_tail): Adjust all uses.
12655 * modulo-sched.c (get_block_head_tail): Adjust all uses.
12656 (sms_sched_info): Initialize new fields.
12657 (contributes_to_priority): Removed.
12658 * haifa-sched.c (params.h): New include.
12659 (get_block_head_tail): Adjust all uses.
12660 (ISSUE_POINTS): New macro.
12661 (glat_start, glat_end): New global variables.
12662 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
12663 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
12664 old_last_basic_block, before_recovery, current_sched_info_var,
12665 rgn_n_insns, luid): New static variables.
12666 (insn_cost1): New function. Move logic from insn_cost to here.
12667 (find_insn_reg_weight1): New function. Move logic from
12668 find_insn_reg_weight to here.
12669 (reemit_notes, move_insn, max_issue): Change signature.
12670 (move_insn1): Removed.
12671 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
12672 extend_bb): New static functions to support extension of scheduler's
12674 (generate_recovery_code, process_insn_depend_be_in_spec,
12675 begin_speculative_block, add_to_speculative_block,
12676 init_before_recovery, create_recovery_block, create_check_block_twin,
12677 fix_recovery_deps): New static functions to support
12678 generation of recovery code.
12679 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
12680 restore_bb_notes, move_block_after_check, move_succs): New static
12681 functions to support ebb scheduling.
12682 (init_glat, init_glat1, attach_life_info1, free_glat): New static
12683 functions to support handling of register live information.
12684 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
12685 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
12686 add_jump_dependencies): New static functions.
12687 (check_cfg, has_edge_p, check_sched_flags): New static functions for
12688 consistancy checking.
12689 (debug_spec_status): New function to call from debugger.
12690 (priority): Added code to handle speculation checks.
12691 (rank_for_schedule): Added code to distinguish speculative instructions.
12692 (schedule_insn): Added code to handle speculation checks.
12693 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
12694 Fixed to handle ebbs.
12695 (move_insn): Added code to handle ebb scheduling.
12696 (max_issue): Added code to use ISSUE_POINTS of instructions.
12697 (choose_ready): Added code to choose between speculative and
12698 non-speculative instructions.
12699 (schedule_block): Added code to handle ebb scheduling and scheduling of
12700 speculative instructions.
12701 (sched_init): Initialize new variables.
12702 (sched_finish): Free new variables. Print statistics.
12703 (try_ready): Added code to handle speculative instructions.
12704 * lists.c (copy_DEPS_LIST_list): New function.
12705 * sched-deps.c (extend_dependency_caches): New function. Move logic
12706 from create_dependency_caches to here.
12707 (get_dep_weak, ds_merge): Make global.
12708 * genattr.c (main): Code to output prototype for
12709 dfa_clear_single_insn_cache.
12710 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
12711 (output_dfa_clean_insn_cache_func): Code to output
12712 dfa_clear_single_insn_cache function.
12713 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
12715 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
12717 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
12718 New static variables.
12719 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
12720 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
12722 (ebb_sched_info): Initialize new fields.
12723 (get_block_head_tail): Adjust all uses.
12724 (compute_jump_reg_dependencies): Fixed to use glat_start.
12725 (schedule_ebb): Code to remove unreachable last block.
12726 (schedule_ebbs): Added code to update register live information.
12727 * sched-rgn.c (region_sched_info): Initialize new fields.
12728 (get_block_head_tail): Adjust all uses.
12729 (last_was_jump): Removed. Adjust users.
12730 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
12731 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
12732 Implement new hooks.
12733 (check_dead_notes1): New static function.
12734 (struct region): New fields: dont_calc_deps, has_real_ebb.
12735 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
12736 (BB_TO_BLOCK): Fixed to handle EBBs.
12737 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
12738 (ebb_head): New static variable.
12739 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
12740 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
12742 (compute_dom_prob_ps): New assertion.
12743 (check_live_1, update_live_1): Fixed to work with glat_start instead of
12744 global_live_at_start.
12745 (init_ready_list): New assertions.
12746 (can_schedule_ready_p): Split update code to begin_schedule_ready.
12747 (new_ready): Add support for BEGIN_CONTROL speculation.
12748 (schedule_insns): Fixed code that updates register live information
12750 (schedule_region): Fixed to handle EBBs.
12751 (init_regions): Use extend_regions and check_dead_notes1.
12752 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
12753 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
12754 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
12755 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12756 TARGET_SCHED_GEN_CHECK,
12757 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12758 TARGET_SCHED_SET_SCHED_FLAGS): Document.
12759 * doc/invoke.texi (max-sched-insn-conflict-delay,
12760 sched-spec-prob-cutoff): Document.
12762 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12764 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
12765 inter_tick, queue_index.
12766 (struct sched_info): Change signature of init_ready_list field.
12767 Adjust all initializations.
12768 (RESOLVED_DEPS): New access macro.
12769 (ready_add): Remove prototype.
12770 (try_ready): Add prototype.
12771 * sched-rgn.c (init_ready_list): Use try_ready.
12772 (schedule_region): Initialize
12773 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
12774 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
12775 (init_ready_list): Use try_ready.
12776 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
12777 * lists.c (remove_list_elem): Remove `static'.
12778 (remove_free_INSN_LIST_elem): New function.
12779 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
12780 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
12781 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
12783 (readyp): New variable.
12784 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
12785 change_queue_index, resolve_dep): New static functions.
12786 (try_ready): New function. Adjust callers in sched-rgn.c and
12787 sched-ebb.c to use it instead of ready_add.
12788 (clock_var): Move at the begining of file.
12789 (rank_for_schedule): Fix typo.
12790 (queue_insn): Add assertion. Handle QUEUE_INDEX.
12791 (ready_lastpos): Enforce assertion.
12792 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
12793 update all callers.
12794 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
12795 (schedule_insn): Rewrite to use try_ready and resolve_dep.
12796 (queue_to_ready): Use free_INSN_LIST_list.
12797 (early_queue_to_ready): Fix typo.
12798 (schedule_block): Init readyp. Move init_ready_list call after the
12799 initialization of clock_var. Fix error in rejecting insn by
12800 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
12801 that previously corrected INSN_TICKs. Add code for handling
12803 (set_priorities): Fix typo.
12804 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
12805 Clarify comment and code that keeps current_sched_info->next_tail
12808 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12810 * sched-rgn.c (extend_rgns): New static function.
12811 (find_rgns): Use it.
12812 (gather_region_statistics, print_region_statistics): New static
12814 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
12815 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
12817 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12818 Andrey Belevantsev <abel@ispras.ru>
12820 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
12821 * lists.c (unused_deps_list): New variable.
12822 (free_list): Add assertions to verify the proper distinguishing
12823 between INSN_LISTs and DEPS_LISTs.
12824 (find_list_elem, remove_list_elem, remove_list_node): New static
12826 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
12827 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
12828 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
12829 (alloc_INSN_LIST): Assert that the list we're working on is indeed
12831 (free_INSN_LIST_node): Likewise.
12832 * modulo-sched.c (current_sched_info): Initialize flags field.
12833 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
12834 * rtl.def (DEPS_LIST): Define.
12835 * rtl.h: Declare new functions from lists.c.
12836 * sched-deps.c (spec_dependency_cache): New static variable.
12837 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
12838 (add_dependence): Change return type to void. Move the logic to ...
12839 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
12840 (delete_all_dependences): Add comment about forward_dependency_cache.
12841 Handle spec_dependency_cache. Handle DEPS_LISTs.
12842 (fixup_sched_groups): Clarify the change of priority of output
12843 and anti dependencies.
12844 (sched_analyze_2): Adjust add_dependence calls to create data
12845 speculative dependence.
12846 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
12847 Adjust all callers. Handle DEPS_LISTS.
12848 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
12849 presence of speculation.
12850 (init_dependency_caches, free_dependency_caches):
12851 Handle spec_dependency_cache.
12852 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
12853 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
12854 New static functions.
12855 (add_or_update_back_dep, add_or_update_back_forw_dep,
12856 add_back_forw_dep, delete_back_forw_dep): New functions.
12857 * sched-int.h (ds_t, dw_t): New typedefs.
12858 (struct sched_info): Add new field flags.
12859 (struct haifa_insn_data): Add new bitfield has_internal_dep.
12860 Prototype new sched-deps.c functions.
12861 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
12862 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
12863 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
12864 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
12865 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
12866 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
12868 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
12870 * sched-rgn.c (current_sched_info): Initialize flags field.
12871 (schedule_insns): Initialize current_sched_info before the sched_init
12873 * sched-ebb.c (current_sched_info): Initialize flags field.
12874 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
12875 Call add_or_update_back_dep instead of add_dependence.
12876 Create control speculative dependencies.
12877 (schedule_insns): Initialize current_sched_info before the sched_init
12880 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
12882 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
12884 (sh_fallback_frame_state): Likewise.
12886 2006-03-15 Geoffrey Keating <geoffk@apple.com>
12888 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
12889 Do switch on default_use_cxa_atexit.
12890 (powerpc*-*-darwin*): Build crt2.o on powerpc.
12891 * config/darwin-crt3.o: New.
12892 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
12893 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
12894 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
12896 * config/rs6000/t-darwin: Move crt2.o building to here.
12897 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
12898 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
12901 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12903 * config/vax/vax.c (nonindexed_address_p): Change logical negation
12904 from '! xxx' to '!xxx' for coding-style conformance.
12905 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
12906 (EXTRA_CONSTRAINT): Likewise.
12907 * config/vax/vax.md (four unnamed insns): Likewise.
12909 2006-03-15 Paul Brook <paul@codesourcery.com>
12911 * config/arm/arm.c (minipool_pad): New.
12912 (add_minipool_forward_ref): Include pool alignment padding in address
12914 (push_minipool_fix): Set minipool_pad.
12915 (minipool_pad): Ditto.
12917 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12919 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
12920 instead of GET_CODE() == MEM and REG_P() instead of
12922 (print_operand_address): Likewise.
12923 (vax_address_cost): Likewise.
12924 (vax_rtx_costs): Likewise.
12925 (vax_notice_update_cc): Likewise.
12926 (vax_output_int_add): Likewise.
12927 (INDEX_REGISTER_P): Likewise.
12928 (BASE_REGISTER_P): Likewise.
12929 (nonindexed_address_p): Likewise.
12930 (vax_mode_dependent_address_p): Likewise.
12931 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
12932 (PRINT_OPERAND): Likewise.
12933 * config/vax/vax.md (ashlsi3): Likewise.
12934 (ashlsi3): Likewise.
12935 (some more unnamed insns): Likewise.
12937 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
12939 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
12940 iterator-style macro.
12941 (mark_control_dependent_edges_necessary): Update the use of
12942 EXECUTE_IF_CONTROL_DEPENDENT.
12944 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
12946 * config/sh/predicates.md (cache_address_operand): Special.
12947 (ua_address_operand): Likewise.
12949 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
12951 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
12953 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
12955 2006-03-15 Andreas Schwab <schwab@suse.de>
12957 * gensupport.c (identify_predicable_attribute): Don't free p_false
12958 when it is still in use.
12960 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
12962 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
12963 the default setting here.
12965 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
12967 * tree-pass.h (pass_cfg): Remove.
12968 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
12969 * passes.c (pass_cfg): Don't run it.
12971 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
12973 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
12974 * reg-stack.c (stack_regs_mentioned_data): Change the type to
12976 (stack_regs_mentioned): Update the uses of
12977 stack_regs_mentioned_data. Don't access the array beyond its
12979 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
12980 Don't include gt-reg-stack.h.
12982 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
12983 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
12985 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
12987 PR middle-end/26684
12988 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
12991 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12993 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
12995 2006-03-14 Richard Guenther <rguenther@suse.de>
12997 PR tree-optimization/26672
12998 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
13001 2006-03-14 Richard Guenther <rguenther@suse.de>
13003 PR tree-optimization/26667
13004 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
13005 node for the callees. Always allow inlining if it will shrink
13008 2006-03-14 Richard Guenther <rguenther@suse.de>
13010 PR middle-end/26659
13011 * builtins.c (get_pointer_alignment): Prefer alignment
13012 information from decls over that from types.
13014 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
13017 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
13019 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
13021 * config/rs6000/rs6000.opt (mdlmzb): New option.
13022 (msched-prolog, msched-epilog): Use Var not Mask.
13023 * doc/invoke.texi (-mdlmzb): Document.
13024 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
13026 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
13027 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
13029 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
13031 PR rtl-optimization/25739
13032 * bt-load.c (augment_live_range): Free tos pointer.
13034 * gensupport.c (identify_predicable_attribute): Free
13036 * gcov.c (create_file_names): Free name pointer.
13038 2006-03-13 Roger Sayle <roger@eyesopen.com>
13040 PR middle-end/26557
13041 * stmt.c (emit_case_nodes): Handle the case where the index is a
13042 CONST_INT, where the comparison mode is specified by the index type.
13044 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13046 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
13049 2006-03-13 Richard Sandiford <richard@codesourcery.com>
13051 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
13052 (*branch_fp_inverted): Likewise.
13054 2006-03-13 Jakub Jelinek <jakub@redhat.com>
13056 PR middle-end/25989
13057 * omp-low.c (expand_omp_for_generic): Mark istart0
13058 and iend0 as addressable.
13060 2006-03-13 Jie Zhang <jie.zhang@analog.com>
13062 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
13064 2006-03-13 Jeff Law <law@redhat.com>
13066 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
13067 virtual operands are interesting.
13068 (vrp_visit_stmt): Corresponding changes.
13070 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
13072 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
13074 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
13075 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
13076 * config/bfin/crti.S: Use it instead of __PIC__.
13077 * config/bfin/crtn.S: Likewise.
13079 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
13080 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
13082 Lose 'G' modifier for call operand.
13083 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
13084 recognize 'G' modifier.
13086 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
13088 PR middle-end/18859
13089 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
13090 * stmt.c (expand_case): Likewise.
13092 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13094 PR rtl-optimization/26254
13095 * loop-invariant.c (seq_insns_valid_p): New function.
13096 (move_invariant_reg): Only emit new code if it is valid.
13098 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13100 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
13102 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
13103 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
13104 (commit_one_edge_insertion): Do not look for loop notes.
13106 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13108 * jump.c (follow_jumps): Do not check for loop notes. Move check for
13109 flag_test_coverage out of loop.
13111 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13113 * final.c (shorten_branches): Remove outdated comment, and turn
13114 the if branch that guards it to continue.
13116 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13118 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
13119 * cfgloop.h (struct loop): Remove unused fields.
13121 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
13123 * doc/invoke.texi (-fdump-rtl-loop): Remove.
13124 (-dL, -fdump-rtl-loop2): Update the dump file names
13126 * doc/invoke.texi: Update dump file names.
13128 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
13130 * predict.c (estimate_probability): Remove.
13131 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
13132 * basic-block.h (estimate_probability): Remove prototype.
13133 * passes.c (finish_optimization_passes): Dump branch prediction or
13134 profiling heuristics to the .profile tree dump.
13135 (init_optimization_passes): Unqueue pass_branch_prob.
13137 * doc/invoke.texi (-fdump-rtl-bp): Remove.
13139 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13141 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
13142 * rtl.h (LABEL_NEXTREF): Remove field accessor.
13144 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
13146 * function.h (frame_offset_overflow): Declare.
13147 * function.c (frame_offset_overflow): New function.
13148 (assign_stack_local_1): Call it to detect that the offset overflows.
13149 * cfgexpand.c (alloc_stack_frame_space): Likewise.
13151 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13153 * config/sh/sh.c: Include alloc-pool.h.
13154 (label_ref_list_pool): New alloc pool.
13155 (label_ref_list_t): New type for lists of labels.
13156 (struct pool_node): Make wend a label_ref_list_t.
13157 (add_constant): Use the new type, eradicate LABEL_NEXTREF
13159 (dump_table): Likewise.
13160 (sh_reorg): Set up the alloc pool before using add_constant and
13161 dump_table, and destroy it when finishing.
13163 2006-03-11 Richard Sandiford <richard@codesourcery.com>
13165 * config/mips/mips.c: Remove redundant comment.
13167 2006-03-10 Jason Merrill <jason@redhat.com>
13170 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
13171 the target was declared 'register'.
13173 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
13175 * genpreds.c (write_insn_constraint_len): Change definition of
13176 insn_constraint_len to return size_t to match the declaration.
13178 2006-03-10 DJ Delorie <dj@redhat.com>
13180 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
13182 (m32c_expand_insv): Fix test for an AND mask.
13184 2006-03-10 Richard Guenther <rguenther@suse.de>
13186 PR middle-end/26565
13187 * builtins.c (get_pointer_alignment): Handle component
13188 references for field alignment.
13190 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13192 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
13193 when building with libgloss.
13194 (sh*elf): Implement --without-fp option.
13195 (sh64-superh-linux*): Don't multilib.
13197 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13199 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
13201 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
13203 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
13204 Set it when one of the replacement functions returned true.
13205 Return TODO_cleanup_cfg if cfgchanged is true.
13206 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
13208 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
13210 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
13211 instead of gen_lowpart.
13213 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13215 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
13217 (mips_output_order_conditional_branch): Declare.
13218 * config/mips/mips.h (MIPS_BRANCH): New macro.
13219 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
13220 for the comparison. Use gen_condjump.
13221 (mips_output_conditional_branch): Rework interface to take the
13222 asm templates for a direct branch and the inverse of a direct branch.
13223 (mips_output_order_conditional_branch): New function.
13224 (mips_builtin_branch_and_move): New function.
13225 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
13226 branch condition. Use gen_single_cc as the condition for
13227 __builtin_mips_upper_* or __builtin_mips_lower_*.
13228 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
13229 Use VOIDmode for the branch condition.
13230 * config/mips/predicates.md (order_operator): New predicate.
13231 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
13232 (branch_fp): Rename to...
13233 (*branch_fp): ...this. Remove mode from comparison operator.
13234 Use new mips_output_conditional_branch interface.
13235 (branch_fp_inverted): Rename to...
13236 (*branch_fp_inverted): ...this and update as for *branch_fp.
13237 (*branch_zero<mode>): Rename to...
13238 (*branch_order<mode>): ...this. Remove mode from comparison operator.
13239 Use mips_output_order_conditional_branch. Only accept ordered
13241 (*branch_zero<mode>_inverted): Rename to...
13242 (*branch_order<mode>_inverted): ...this and update as for
13243 *branch_order<mode>.
13244 (*branch_equality<mode>): Accept zero as the second operand to
13245 the equality operator. Use the new mips_output_conditional_branch
13247 (*branch_equality<mode>_inverted): Likewise.
13248 (condjump): New expander.
13249 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
13251 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
13252 (bc1any2t, bc1any2f): Likewise.
13253 (single_cc): New expander.
13254 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
13256 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13258 * doc/md.texi: Update documentation of MIPS constraints.
13259 * config/mips/constraints.md: New file.
13260 * config/mips/mips.md: Include it.
13261 * config/mips/mips.c (mips_char_to_class): Delete.
13262 (override_options): Don't initialize mips_char_to_class.
13263 * config/mips/mips.h (mips_char_to_class): Delete.
13264 (REG_CLASS_FROM_LETTER): Delete.
13265 (CONST_OK_FOR_LETTER_P): Delete.
13266 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13267 (EXTRA_CONSTRAINT_Y): Delete.
13268 (EXTRA_CONSTRAINT_STR): Delete.
13269 (CONSTRAINT_LEN): Delete.
13270 (EXTRA_MEMORY_CONSTRAINT): Delete.
13272 2006-03-09 Diego Novillo <dnovillo@redhat.com>
13274 * tree-cfg.c (move_block_to_fn): Remove the statements from the
13275 original fn's eh regions.
13277 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
13279 * fold-const.c (build_range_check): Make sure to use a valid type to
13280 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
13283 (range_predecessor): New static function.
13284 (range_successor): Likewise.
13285 (merge_ranges): Use them to compute predecessors and successors of
13288 2006-03-09 Roger Sayle <roger@eyesopen.com>
13290 PR middle-end/26561
13291 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
13292 X op C3, consider whether C3 overflows towards +Inf or -Inf.
13294 2006-03-08 DJ Delorie <dj@redhat.com>
13296 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
13297 (addpsi3): Expand to include memory operands. Remove
13298 reload-specific splits.
13299 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
13300 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
13301 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
13302 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
13303 (shift1_qi, shift1_hi, insv): New.
13304 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
13305 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
13306 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
13308 * config/m32c/m32c-protos.h: Update as needed.
13309 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
13310 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
13311 Fail for unrecognized R* constraints.
13312 (m32c_cannot_change_mode_class): Be more picky about pseudos.
13313 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
13314 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
13316 (m32c_init_libfuncs): New.
13317 (m32c_legitimate_address_p): Add debug wrapper.
13318 (m32c_rtx_costs): New.
13319 (m32c_address_cost): New.
13320 (conversions): Add 'B' prefix.
13321 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
13322 operands, or word regnames for QI operands. 'B' prints bit
13324 (m32c_expand_setmemhi): New.
13325 (m32c_expand_movmemhi): New.
13326 (m32c_expand_movstr): New.
13327 (m32c_expand_cmpstr): New.
13328 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
13329 (m32c_expand_neg_mulpsi3): Handle non-ints.
13330 (m32c_cmp_flg_0): New.
13331 (m32c_expand_movcc): New.
13332 (m32c_expand_insv): New.
13333 (m32c_scc_pattern): New.
13334 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
13335 a0/a1 out of SIregs.
13336 (STORE_FLAG_VALUE): New.
13337 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
13340 * config/m32c/mov.md: Make constraints more liberal.
13341 (zero_extendqihi2): Optimize r0/r1 case.
13342 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
13343 * config/m32c/predicates.md (m32c_any_operand): New.
13344 (m32c_nonimmediate_operand): New.
13345 (m32c_hl_operand): New.
13346 (m32c_r3_operand): New.
13349 (memsym_operand): New.
13350 (memimmed_operand): New.
13351 (a_qi_operand): New.
13352 (m32c_eqne_operator): New.
13353 (m32c_1bit8_operand): New.
13354 (m32c_1bit16_operand): New.
13355 (m32c_1mask8_operand): New.
13356 (m32c_1mask16_operand): New.
13357 * config/m32c/blkmov.md: New file.
13358 * config/m32c/t-m32c (MD_FILES): Add blkmov.
13360 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
13362 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
13363 unsigned to fix signed/unsigned comparison issue in
13364 DWARF2_FRAME_REG_OUT.
13365 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
13366 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
13368 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
13369 of ptr into the ENABLE_CHECKING section.
13371 2006-03-08 Jeff Law <law@redhat.com>
13373 * tree-vrp.c (infer_value_range): Only count pointer uses
13374 and dereferences if -fdelete-null-pointer-checks is enabled.
13376 * tree-vrp.c (find_assert_locations): Infer value ranges for
13377 single use pointers, but do not create ASSERT_EXPRs for them.
13378 When a non-null range is inferred for a pointer, backwards
13379 propagate that range to other equivalent pointers through the
13382 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
13385 * Makefile.in (dvi, html, install-info): Invoke the corresponding
13386 language hook targets.
13387 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
13388 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
13389 if language hook targets were missing.
13391 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
13393 * tree-ssa-opfinalize.h: Removed.
13394 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
13396 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
13397 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
13398 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
13399 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
13400 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
13401 finalize_ssa_v_must_def_ops): New.
13403 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
13405 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
13406 block as parameter.
13408 2006-03-07 Geoffrey Keating <geoffk@apple.com>
13410 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
13412 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
13413 addresses with offsets; reorganize.
13415 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
13416 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
13417 (expand_builtin_init_dwarf_reg_sizes): Likewise.
13419 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
13422 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
13424 2006-03-08 Ben Elliston <bje@au.ibm.com>
13426 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
13428 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
13431 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
13434 2006-03-07 Richard Guenther <rguenther@suse.de>
13436 PR tree-optimization/26587
13437 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
13439 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13441 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
13443 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13445 * hooks.c (hook_bool_mode_rtx_true): New function.
13446 * hooks.h (hook_bool_mode_rtx_true): Declare.
13447 * toplev.c (compile_file): Call output_shared_constant_pool.
13448 * varasm.c (shared_constant_pool): New variable.
13449 (assemble_start_function, assemble_end_function): Remove arguments
13450 from call to output_constant_pool.
13451 (create_constant_pool): New function, split out from...
13452 (init_varasm_status): ...here.
13453 (force_const_mem): Choose between the shared and per-function constant
13454 pools. Set current_function_uses_const_pool when reusing old entries
13455 as well as when creating new ones.
13456 (mark_constant): Ignore data argument.
13457 (mark_constants): Remove pool argument.
13458 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
13459 to decide whether the function uses a constant pool.
13460 (output_constant_pool_contents): New function, split out from...
13461 (output_constant_pool): ...here.
13462 (output_shared_constant_pool): New function.
13463 (init_varasm_once): Initialize shared_constant_pool.
13464 * output.h (output_constant_pool): Delete.
13465 (output_shared_constant_pool): Declare.
13466 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
13467 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
13469 2006-03-06 Nick Clifton <nickc@redhat.com>
13471 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
13472 flag_strength_reduce.
13474 2006-03-06 Ben Elliston <bje@au.ibm.com>
13476 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
13477 x86_64-*-linux* configurations.
13479 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
13480 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
13482 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13484 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
13486 * basic-block.h: Remove the extern for
13487 rediscover_loops_after_threading.
13489 * cfgloop.c (cancel_loop): Make it static.
13490 * cfgloop.h: Remove the prototype for cancel_loop.
13492 * flow.c (recompute_reg_usage): Make it static.
13493 * rtl.h: Remove the prototype for recompute_reg_usage.
13495 * function.c (use_return_register): Make it static.
13496 * function.h: Remove the prototype.
13498 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13500 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
13502 * recog.h: Remove the prototype for
13503 validate_change_maybe_volatile.
13505 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13507 * rtlanal.c (replace_reg): Remove.
13508 * rtl.h: Remove the prototype for replace_reg.
13510 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13512 * regclass.c (reg_scan_update): Remove.
13513 (reg_scan_mark_refs): Remove the last argument.
13514 * rtl.h: Remove the prototype for reg_scan_update.
13516 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13518 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
13519 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
13520 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
13521 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
13522 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
13523 loop-invariant.c, omp-low.c, opts.c, passes.c,
13524 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
13525 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
13526 tree-ssa-structalias.c, tree-ssa-threadedge.c,
13527 tree-ssa-threadupdate.c, tree-vect-patterns.c,
13528 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
13529 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
13531 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13533 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
13534 * dwarf2out.h: Remove the prototype for
13535 dwarf2out_add_library_unit_info.
13537 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13539 * tree.c (add_var_to_bind_expr): Remove.
13540 * tree.h: Remove the prototype for add_var_to_bind_expr.
13542 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13544 * regclass.c (n_non_fixed_regs): Remove.
13545 (init_reg_sets_1, globalize_reg): Remove all uses of
13547 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
13549 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13551 * rtlanal.c (insns_safe_to_move_p): Remove.
13552 * rtl.h: Remove the prototype for insns_safe_to_move_p.
13554 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13556 * expmed.c (expand_mult_add): Remove.
13557 * expr.h: Remove the prototype for expand_mult_add.
13559 2006-03-04 Jakub Jelinek <jakub@redhat.com>
13561 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
13562 and REG_SAVED_VAL_EXP constants.
13563 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
13564 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
13565 Handle regs stored by value.
13566 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
13567 (execute_cfa_program): Handle DW_CFA_val_offset,
13568 DW_CFA_val_offset_sf and DW_CFA_val_expression.
13569 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
13570 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
13571 (uw_install_context_1): Handle target regs stored by value.
13573 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
13575 * tree-sra.c (tree_sra): Return todoflags;
13576 (generate_one_element): Set TODO_update_smt_usage if needed.
13577 (pass_sra): Remove TODO_update_smt_usage.
13578 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
13580 (tree_ssa_forward_propagate_single_use_vars): Return
13581 TODO_update_smt_usage if we need to update SMT usage.
13582 (pass_forwprop): Remove TODO_update_smt_usage.
13584 2006-03-03 Diego Novillo <dnovillo@redhat.com>
13586 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
13587 (correct_use_link): Remove reference to get_stmt_operands.
13588 (update_stmt_operands): Likewise.
13589 (get_modify_expr_operands): New function factored out of
13590 parse_ssa_operands and get_expr_operands.
13591 Try to create V_MUST_DEFs for LHS by default.
13592 (get_expr_operands) <case MODIFY_EXPR>: Call
13593 get_modify_expr_operands.
13594 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
13595 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
13596 (parse_ssa_operands) <case MODIFY_EXPR>: Call
13597 get_modify_expr_operands.
13599 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
13601 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
13602 * tree-flow.h: Remove the prototype for
13603 referenced_var_lookup_if_exists.
13605 2006-03-03 Steve Ellcey <sje@cup.hp.com>
13607 PR rtl-optimization/26345
13609 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
13611 2006-03-03 Roger Sayle <roger@eyesopen.com>
13613 PR tree-optimization/26524
13614 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
13615 fold_convert to create a constant of the appropriate type.
13617 2006-03-03 Richard Sandiford <richard@codesourcery.com>
13619 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13620 SYMBOL_REF_IN_BLOCK_P.
13621 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
13622 of SYMBOL_FLAG_IN_BLOCK.
13623 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
13624 instead of SYMBOL_REF_IN_BLOCK_P.
13625 * explow.c (use_anchored_address): Likewise.
13626 * rtl.c (rtx_size): Likewise.
13627 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
13628 instead of SYMBOL_FLAG_IN_BLOCK.
13629 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13630 SYMBOL_REF_IN_BLOCK_P.
13631 (assemble_variable): Likewise.
13632 (output_constant_def_contents): Likewise.
13633 (output_constant_pool): Likewise.
13634 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
13635 instead of SYMBOL_FLAG_IN_BLOCK.
13636 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13637 SYMBOL_REF_IN_BLOCK_P.
13638 (SYMBOL_REF_BLOCK): Likewise.
13639 (SYMBOL_REF_OFFSET): Likewise.
13640 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13641 SYMBOL_REF_IN_BLOCK_P.
13642 (SYMBOL_FLAG_IN_BLOCK): Replace with...
13643 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
13644 (SYMBOL_REF_IN_BLOCK_P): Replace with...
13645 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
13647 2006-03-03 Jakub Jelinek <jakub@redhat.com>
13649 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
13651 2006-03-02 Roger Sayle <roger@eyesopen.com>
13653 * simplify-rtx.c (simplify_unary_operation): When simplifying
13654 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
13655 that we perform the right shift in the appropriate mode, and
13656 then extend or truncate the result to requested mode.
13658 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
13660 * gengtype.c (main): Handle double_int type.
13661 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
13662 * double-int.c: New file.
13663 * double-int.h: New file.
13664 * system.h: Include doubleint.h.
13665 * Makefile.in (SYSTEM_H): Include double-int.h.
13666 (double-int.o): Add.
13668 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
13671 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
13674 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13676 * tree-vrp.c (remove_range_assertions): Do not update statements
13679 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13681 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
13683 * gcse.c (rest_of_handle_gcse): Ditto.
13684 * except.c (gate_handle_eh): Ditto.
13685 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
13686 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
13688 2006-03-02 Eric Christopher <echristo@apple.com>
13690 * config/i386/i386.c (machopic_output_stub): Add indirection to
13693 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13697 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
13699 Sun Niagara specific optimizations.
13700 * config.gcc: Recognize niagara as target.
13701 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
13702 (TARGET_CPU_niagara): Define.
13703 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
13704 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
13705 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13706 (ASM_CPU_SPEC): Likewise.
13707 (PROCESSOR_NIAGARA): New enum entry.
13708 (REGISTER_MOVE_COST): Handle Niagara.
13709 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
13710 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
13711 (sparc_override_options): Recognize "niagara", set appropriate
13712 default MASK_* values for it, and align functions to 32-bytes
13713 by default just like ULTRASPARC/ULTRASPARC3.
13714 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
13715 (sparc64_initialize_trampoline): Likewise.
13716 (sparc_use_sched_lookahead): Use zero for niagara.
13717 (sparc_issue_rate): Use one for niagara.
13718 * config/sparc/niagara.md: New file.
13719 * config/sparc/sparc.md: Include it.
13720 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
13721 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
13722 when default cpu is niagara.
13723 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13724 (ASM_CPU_SPEC): Likewise.
13725 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
13726 when default cpu is niagara.
13727 (ASM_CPU_SPEC): Handle -mcpu=niagara.
13728 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
13729 just like v9/ultrasparc/ultrasparc3.
13730 * doc/invoke.texi: Add documentation for "niagara" and improve
13731 existing documentation for ultrasparc variants.
13733 2006-03-02 Diego Novillo <dnovillo@redhat.com>
13735 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
13737 2006-03-02 Richard Sandiford <richard@codesourcery.com>
13739 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
13740 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
13741 and say that only one is needed.
13742 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
13743 * target.h (have_switchable_bss_sections): New hook.
13744 * explow.c (use_anchored_address): Check that the symbol is in a block.
13745 * varasm.c (tls_comm_section, comm_section, lcomm_section)
13746 (bss_noswitch_section): New variables.
13747 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
13748 (get_noswitch_section): New function.
13749 (get_block_for_section): Allow SECT to be null.
13750 (unlikely_text_section_p): Use SECTION_STYLE.
13751 (bss_initializer_p): New function.
13752 (get_variable_section): Move earlier in file. Take a new argument,
13753 prefer_noswitch_p. Move bss checks from assemble_variable to here.
13754 Return one of the new *_sections in such cases.
13755 (get_block_for_decl): New function, extracting some logic from
13756 use_blocks_for_decl_p.
13757 (change_symbol_section): Remove in favor of...
13758 (change_symbol_block): ...this new function.
13759 (use_blocks_for_decl_p): Remove checks now performed by
13760 get_block_for_decl.
13761 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
13762 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
13763 (emit_local, emit_bss, emit_common): ...these new functions.
13764 Return true if the alignment was honored.
13765 (emit_tls_common): New function.
13766 (asm_emit_uninitialised): Delete.
13767 (assemble_variable_noswitch): New function, split out from...
13768 (assemble_variable): ...here. Don't make decisions about common
13769 variables here. Globalize all public decls that go into non-common
13770 sections. Check whether SYMBOL_REF_BLOCK is null.
13771 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
13772 (output_constant_pool): Likewise.
13773 (init_varasm_once): Initialize the new section variables.
13774 (have_global_bss_p): New function.
13775 (categorize_decl_for_section): Use bss_initializer_p.
13776 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
13777 (place_block_symbol): Assert that the symbol must be in a block.
13778 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
13779 (TARGET_INITIALIZER): Include it.
13780 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
13781 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
13782 (SECTION_MACH_DEP): Bump by two.
13783 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
13784 (unnamed_section): Mention SECTION_UNNAMED in comment.
13785 (named_section): Likewise SECTION_NAMED.
13786 (noswitch_section_callback): New type.
13787 (noswitch_section): New structure.
13788 (section): Add a noswitch_section alternative.
13789 (SECTION_STYLE): New macro.
13790 (tls_comm_section, comm_section, lcomm_section): Declare.
13791 (bss_noswitch_section, have_global_bss_p): Declare.
13792 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13793 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13795 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13796 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13799 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
13801 * tree-vrp.c (execute_vrp): Return value.
13802 * regrename.c (rest_of_handle_regrename): Ditto.
13803 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
13804 * tree-complex.c (tree_lower_complex): Ditto.
13805 (tree_lower_complex_O0): Ditto.
13806 * tracer.c (rest_of_handle_tracer): Ditto.
13807 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
13808 * postreload.c (rest_of_handle_postreload): Ditto.
13809 * tree-tailcall.c (execute_tail_recursion): Ditto.
13810 (execute_tail_calls): Ditto.
13811 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13812 * tree.h (init_function_for_compilation): Ditto.
13813 * ipa-cp.c (ipcp_driver): Ditto.
13814 * tree-scalar-evolution.c (scev_const_prop): Ditto.
13815 * tree-scalar-evolution.h (scev_const_prop): Ditto.
13816 * final.c (compute_alignments): Ditto.
13817 (rest_of_handle_final): Ditto.
13818 (rest_of_handle_shorten_branches): Ditto.
13819 (rest_of_clean_state): Ditto.
13820 * omp-low.c (execute_expand_omp): Ditto.
13821 (execute_lower_omp): Ditto.
13822 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
13823 * ipa-reference.c (static_execute): Ditto.
13824 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
13825 * reorg.c (rest_of_handle_delay_slots): Ditto.
13826 (rest_of_handle_machine_reorg): Ditto.
13827 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
13828 * flow.c (recompute_reg_usage): Ditto.
13829 (rest_of_handle_remove_death_notes): Ditto.
13830 (rest_of_handle_life): Ditto.
13831 (rest_of_handle_flow2): Ditto.
13832 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
13833 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
13834 (do_ssa_store_ccp): Ditto.
13835 (execute_fold_all_builtins): Ditto.
13836 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
13837 * modulo-sched.c (rest_of_handle_sms): Ditto.
13838 * ipa-pure-const.c (static_execute): Ditto.
13839 * cse.c (rest_of_handle_cse): Ditto.
13840 (rest_of_handle_cse2): Ditto.
13841 * web.c (rest_of_handle_web): Ditto.
13842 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
13843 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
13844 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
13845 * tree-nrv.c (tree_nrv): Ditto.
13846 (execute_return_slot_opt): Ditto.
13847 * tree-ssa-alias.c (compute_may_aliases): Ditto.
13848 (create_structure_vars): Ditto.
13849 * loop-init.c (rtl_loop_init): Ditto.
13850 (rtl_loop_done): Ditto.
13851 (rtl_move_loop_invariants): Ditto.
13852 (rtl_unswitch): Ditto.
13853 (rtl_unroll_and_peel_loops): Ditto.
13854 (rtl_doloop): Ditto.
13855 * gimple-low.c (lower_function_body): Ditto.
13856 (mark_used_blocks): Ditto.
13857 * tree-ssa-sink.c (execute_sink_code): Ditto.
13858 * ipa-inline.c (cgraph_decide_inlining): Ditto.
13859 (cgraph_early_inlining): Ditto.
13860 * global.c (rest_of_handle_global_alloc): Ditto.
13861 * jump.c (cleanup_barriers): Ditto.
13862 (purge_line_number_notes): Ditto.
13863 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
13864 (rest_of_handle_if_after_reload): Ditto.
13865 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
13866 (tree_ssa_loop_im): Ditto.
13867 (tree_ssa_loop_unswitch): Ditto.
13868 (tree_vectorize): Ditto.
13869 (tree_linear_transform): Ditto.
13870 (tree_ssa_loop_ivcanon): Ditto.
13871 (tree_ssa_empty_loop): Ditto.
13872 (tree_ssa_loop_bounds): Ditto.
13873 (tree_complete_unroll): Ditto.
13874 (tree_ssa_loop_prefetch): Ditto.
13875 (tree_ssa_loop_ivopts): Ditto.
13876 (tree_ssa_loop_done): Ditto.
13877 * predict.c (tree_estimate_probability): Ditto.
13878 * recog.c (split_all_insns_noflow): Ditto.
13879 (rest_of_handle_peephole2): Ditto.
13880 (rest_of_handle_split_all_insns): Ditto.
13881 * tree-eh.c (lower_eh_constructs): Ditto.
13882 * regmove.c (rest_of_handle_regmove): Ditto.
13883 (rest_of_handle_stack_adjustments): Ditto.
13884 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
13885 * function.c (instantiate_virtual_regs): Ditto.
13886 (init_function_for_compilation): Ditto.
13887 (rest_of_handle_check_leaf_regs): Ditto.
13888 * gcse.c (rest_of_handle_jump_bypass): Ditto.
13889 (rest_of_handle_gcse): Ditto.
13890 * ipa-type-escape.c (type_escape_execute): Ditto.
13891 * alias.c (rest_of_handle_cfg): Ditto.
13892 * tree-if-conv.c (main_tree_if_conversion): Ditto.
13893 * profile.c (rest_of_handle_branch_prob): Ditto.
13894 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
13895 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
13896 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
13897 * tree-dfa.c (find_referenced_vars): Ditto.
13898 * except.c (set_nothrow_function_flags): Ditto.
13899 (convert_to_eh_region_ranges): Ditto.
13900 (rest_of_handle_eh): Ditto.
13901 * emit-rtl.c (unshare_all_rtl): Ditto.
13902 (remove_unnecessary_notes): Ditto.
13903 * except.h (set_nothrow_function_flags): Ditto.
13904 (convert_to_eh_region_ranges): Ditto.
13905 * cfgexpand.c (tree_expand_cfg): Ditto.
13906 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
13907 * tree-ssa-pre.c (do_pre): Ditto.
13908 (execute_fre): Ditto.
13909 * cfgcleanup.c (rest_of_handle_jump): Ditto.
13910 (rest_of_handle_jump2): Ditto.
13911 * tree-sra.c (tree_sra): Ditto.
13912 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
13913 (execute_mudflap_function_decls): Ditto.
13914 * tree-ssa-copy.c (do_copy_prop): Ditto.
13915 (do_store_copy_prop): Ditto.
13916 * ipa-prop.h (ipcp_driver): Ditto.
13917 * cfglayout.c (insn_locators_initialize): Ditto.
13918 * tree-ssa-forwprop.c
13919 (tree_ssa_forward_propagate_single_use_vars): Ditto.
13920 * cfglayout.h (insn_locators_initialize): Ditto.
13921 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
13922 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
13923 (execute_late_warn_uninitialized): Ditto.
13924 * rtl.h (cleanup_barriers): Ditto.
13925 (split_all_insns_noflow): Ditto.
13926 (purge_line_number_notes): Ditto.
13927 (unshare_all_rtl): Ditto.
13928 (remove_unnecessary_notes): Ditto.
13929 (recompute_reg_usage): Ditto.
13930 (variable_tracking_main): Ditto.
13931 * integrate.c (emit_initial_value_sets): Ditto.
13932 * integrate.h (emit_initial_value_sets): Ditto.
13933 * tree-optimize.c (execute_free_datastructures): Ditto
13934 (execute_free_cfg_annotations): Ditto.
13935 (execute_fixup_cfg): Ditto.
13936 (execute_cleanup_cfg_pre_ipa): Ditto.
13937 (execute_cleanup_cfg_post_optimizing): Ditto.
13938 (execute_init_datastructures): Ditto.
13939 * tree-object-size.c (compute_object_sizes): Ditto.
13940 * combine.c (rest_of_handle_combine): Ditto.
13941 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
13942 * bb-reorder.c (duplicate_computed_gotos): Ditto.
13943 (rest_of_handle_reorder_blocks): Ditto.
13944 (rest_of_handle_partition_blocks): Ditto.
13945 * var-tracking.c (variable_tracking_main): Ditto.
13946 * tree-profile.c (tree_profiling): Ditto.
13947 * tree-vect-generic.c (expand_vector_operations): Ditto.
13948 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
13949 * sched-rgn.c (rest_of_handle_sched): Ditto.
13950 (rest_of_handle_sched2): Ditto.
13951 * basic-block.h (free_bb_insn): Ditto.
13952 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
13953 * tree-cfg.c (execute_build_cfg): Ditto.
13954 (remove_useless_stmts): Ditto.
13955 (split_critical_edges): Ditto.
13956 (execute_warn_function_return): Ditto.
13957 (execute_warn_function_noreturn): Ditto.
13958 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
13959 * cfgrtl.c (free_bb_for_insn): Ditto.
13960 * passes.c (execute_one_pass): Run additional
13961 todos returned by execute function.
13962 * tree-pass.h (struct tree_opt_pass): Make execute
13965 2006-03-02 Richard Guenther <rguenther@suse.de>
13967 * tree-ssa-alias.c (find_used_portions): Consider taking
13968 the address as making the variable not write-only.
13970 2006-03-02 Nick Clifton <nickc@redhat.com>
13972 * config.gcc (default_use_cxa_atexit): Extend the description of
13973 this configure variable. Set its default value to "yes" for
13974 Linux, NetBSD and ELF targets on the assumption that they will
13975 use C libraries with the __cxa_atexit function.
13977 2006-03-02 Ben Elliston <bje@au.ibm.com>
13979 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
13980 parameter as unused to suppress a build warning.
13982 2006-03-02 Ben Elliston <bje@au.ibm.com>
13984 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
13987 2006-03-01 Roger Sayle <roger@eyesopen.com>
13990 * gthr-posix.h (__gthrw2): Define to take three parameters, the
13991 declared name, the weak reference name, and the typeof name.
13992 (__gthrw): Avoid expanding the declared name suffix.
13993 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
13995 2006-03-01 Jakub Jelinek <jakub@redhat.com>
13997 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
13999 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
14000 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
14001 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
14002 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
14003 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
14004 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
14005 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
14006 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
14007 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
14008 DW_DS_leading_separate, DW_DS_trailing_separate): New.
14009 (DW_END_default, DW_END_big, DW_END_little): New.
14010 (DW_END_lo_user, DW_END_hi_user): Define.
14011 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
14012 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
14013 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
14016 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14018 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
14020 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
14022 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
14024 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
14026 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
14027 to 'symbol_mem_tag'.
14029 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
14032 2006-03-01 Roger Sayle <roger@eyesopen.com>
14034 * builtins.c (fold_builtin_copysign): Delete unreachable code.
14036 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14039 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
14040 MACHO_DYNAMIC_NO_PIC_P.
14041 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
14043 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14046 * config/darwin-protos.h (darwin_asm_output_anchor):
14048 * config/darwin-sections.def (cstring_section):
14049 Add SECTION_MERGE to the flags.
14050 (literal4_section): Likewise.
14051 (literal8_section): Likewise.
14052 (objc_selector_refs_section): Likewise.
14053 (objc_cls_refs_section): Likewise.
14054 * config/darwin.c (darwin_asm_output_anchor): New
14056 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14058 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
14060 Fix PR tree-optimization/26443
14061 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
14062 to todo and PROP_tmt_usage to properties_destroyed.
14063 * tree-ssa-ccp.c (pass_ccp): Ditto.
14064 (pass_store_ccp): Ditto.
14065 * tree-ssa-dom.c (pass_dominator): Ditto.
14067 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14069 * tree-ssa-operands.c: Cleanup whitespace.
14070 (get_asm_expr_operands): Move before first invocation.
14071 (get_indirect_ref_operands): Likewise.
14072 (get_tmr_operands): Likewise.
14073 (get_call_expr_operands): Likewise.
14074 (append_def): Likewise.
14075 (append_use): Likewise.
14076 (append_v_may_def): Likewise.
14077 (append_v_must_def): Likewise.
14078 (add_call_clobber_ops): Likewise.
14079 (add_call_read_ops): Likewise.
14080 (add_stmt_operand): Likewise.
14081 (add_virtual_operand): Likewise.
14082 (build_ssa_operands): Likewise.
14084 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14086 PR middle-end/26022
14088 PR middle-end/24437
14089 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14090 with a call expr to ...
14091 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14093 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14095 * tree-vrp.c (extract_range_from_assert): Remove special
14096 handling for types with super-types.
14098 2006-03-01 Ben Elliston <bje@au.ibm.com>
14100 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
14101 and powerpc64-*-linux* configurations.
14102 * config/t-dfprules: New file.
14104 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
14105 Compile dfp-bit.c from the source directory using -DWIDTH and
14106 $DFP_CFLAGS to control the compilation of that file, rather than
14107 generating width-specific versions in the build directory.
14108 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
14109 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
14111 2006-02-28 Zack Weinberg <zackw@panix.com>
14113 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
14116 2006-02-28 Eric Christopher <echristo@apple.com>
14118 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
14119 Set up IN_LIBGCC definition of TARGET_64BIT.
14120 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
14122 2006-02-28 Roger Sayle <roger@eyesopen.com>
14124 PR middle-end/14752
14125 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
14126 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
14127 cases via the construction of "expr != 0".
14129 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
14131 * alias.c (alias_invariant, alias_invariant_size): Remove.
14132 (record_base_value): Remove.
14133 (memrefs_conflict_p): Don't look at alias_invariant.
14134 (end_alias_analysis): Don't free it.
14135 * alias.h (record_base_value): Remove prototype.
14137 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
14138 Adam Nemet <anemet@caviumnetworks.com>
14140 * rtl.h (truncated_to_mode): Declare it.
14141 (struct rtl_hooks): Add reg_truncated_to_mode hook.
14142 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
14143 (RTL_HOOKS_INITIALIZER): Include it.
14144 * rtlhooks.c (reg_truncated_to_mode_general): New function.
14145 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
14146 reg_truncated_to_mode.
14147 * rtlanal.c (truncated_to_mode): Define it.
14148 * simplify-rtx.c (simplify_unary_operation_1): Use it.
14150 2006-02-28 Jeff Law <law@redhat.com>
14152 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
14153 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
14154 the range allowed by TYPE_PRECISION.
14156 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
14158 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
14160 PR tree-optimization/26419
14161 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
14164 2006-02-27 Zack Weinberg <zackw@panix.com>
14166 * doc/md.texi: Fix typo in previous change.
14168 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
14172 2006-02-27 Zack Weinberg <zackw@panix.com>
14174 * rtl.def (define_constraint, define_register_constraint)
14175 (define_memory_constraint, define_address_constraint): New MD forms.
14176 * gensupport.c (process_rtx): Put define_constraint etc on the
14178 * genpreds.c (process_define_predicate): Adjust comment. Validate
14179 the name, and call validate_exp to validate the expression.
14180 (mark_mode_tests, write_extract_subexp): Can assume correct input.
14181 (write_predicate_expr): Likewise. NAME argument no longer necessary;
14182 all callers changed.
14183 (validate_exp, needs_variable, struct constraint_data)
14184 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
14185 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
14186 (const_dbl_constraints, constraint_max_namelen)
14187 (have_register_constraints, have_memory_constraints)
14188 (have_address_constraints, have_address_constraints)
14189 (have_extra_constraints, have_const_int_constraints)
14190 (have_const_dbl_constraints, mangle, add_constraint)
14191 (process_define_constraint, process_define_register_constraint)
14192 (write_enum_constraint_num, write_lookup_constraint)
14193 (write_insn_constraint_len, write_regclass_for_constraint)
14194 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
14195 (write_insn_extra_memory_constraint)
14196 (write_insn_extra_address_constraint)
14197 (write_satisfies_constraint_fns): New.
14198 (write_tm_preds_h): If we have new-style constraint definitions,
14199 prototype the functions generated from them, and define the
14200 old constraint interface (still used by generic code) in terms of
14202 (write_insn_preds_c): If we have new-style constraint definitions,
14203 generate all relevant functions from those definitions.
14204 (main): Handle define_constraint etc.
14205 * genoutput.c (struct constraint_data, indep_constraints)
14206 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
14207 (mdep_constraint_len): New data structures and functions, defined
14208 #ifdef USE_MD_CONSTRAINTS.
14209 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
14210 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
14211 use new logic to validate operand constraints against constraint
14213 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
14215 * defaults.h: If none of the old-style constraint macros are
14216 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
14217 old-style macros; and poison REG_CLASS_FROM_LETTER,
14218 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
14220 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
14221 * doc/md.texi: Document new constraint-definition mechanism and the
14222 C interface it provides. Remove references to old mechanism
14223 elsewhere in the document.
14224 (Machine Constraints): Use pathnames relative to gcc directory,
14225 i.e. config/ARCH/FILE. Change i386 section to refer to
14226 config/i386/predicates.md; update that section to match docstrings.
14227 * doc/tm.texi: Move all documentation of the old constraint-
14228 definition macros to their own section, clearly mark as obsolete.
14230 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
14231 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
14233 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
14234 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
14235 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
14236 constraint strings.
14237 (splits and peepholes): Use satisfies_constraint_*.
14238 * config/i386/i386.c (memory_address_length)
14239 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
14241 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14243 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
14244 scalar operation to be put back into the loop.
14246 2006-02-27 Jakub Jelinek <jakub@redhat.com>
14249 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
14250 (extract_cie_info): Handle S flag in augmentation string.
14251 (execute_cfa_program): If context->signal_frame, execute also
14252 fs->pc == context->ra instructions.
14253 (uw_frame_state_for): If context->signal_frame, don't subtract one
14254 from context->ra to find FDE.
14255 (uw_update_context_1): Set context->signal_frame to
14257 (_Unwind_GetIPInfo): New function.
14258 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
14259 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
14261 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
14262 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
14263 * unwind-compat.c (_Unwind_GetIPInfo): New function.
14264 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
14265 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
14266 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
14267 * config/i386/linux-unwind.h (x86_fallback_frame_state,
14268 x86_64_fallback_frame_state): Set fs->signal_frame.
14269 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
14270 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
14271 (frob_update_context): Likewise. Workaround missing S flag in
14272 Linux 2.6.12 - 2.6.16 kernel vDSOs.
14273 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
14274 Remove the psw_addr + 1 hack.
14276 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14278 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
14279 with aggregates here.
14280 (find_func_aliases): Remove code for &<aggregate> from here.
14282 2006-02-26 Roger Sayle <roger@eyesopen.com>
14284 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
14285 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
14286 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
14287 as (X & C) ne/eq 0.
14289 2006-02-26 Roger Sayle <roger@eyesopen.com>
14291 PR middle-end/19983
14292 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
14294 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
14296 * opts.c (decode_options): Do not handle flag_strength_reduce.
14297 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
14298 and OPT_fstrength_reduce.
14299 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
14300 flag_prefetch_loop_arrays for being nonzero.
14301 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
14303 (fprefetch-loop-arrays-rtl): Removed.
14304 (flag_prefetch_loop_arrays): Do not specify the value.
14306 * doc/passes.texi: Update documentation of loop optimizer
14308 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
14309 -frerun-loop-opt): Remove.
14311 2006-02-26 Richard Guenther <rguenther@suse.de>
14313 PR tree-optimization/26421
14314 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
14315 in function calls that are ADDR_EXPRs as using the whole structure.
14317 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
14319 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
14320 * tree-pass.h (pass_loop_optimize): Remove.
14321 * passes.c (pass_loop_optimize): Never run it.
14322 * toplev.c (backend_init): Don't call init_loop.
14323 * opts.c (flag_loop_optimize_set): Remove.
14324 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
14325 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
14326 the old RTL loop optimizer when profiling enabled.
14327 * predict.c (tree_estimate_probability): Always strip builtin_expect.
14328 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
14329 pre-headers for the sake of the old RTL loop optimizer.
14330 * Makefile.in: Remove all references to loop.o.
14332 * doc/invoke.texi: Remove all references to -floop-optimize
14333 and -frerun-loop-opt.
14335 2006-02-26 Zack Weinberg <zackw@panix.com>
14337 * doc/md.texi (Machine Constraints): Refer to all files with paths
14338 relative to gcc directory (i.e. config/CPU/file). Add missing
14339 @table @code ... @end table to M32C subsection.
14341 2006-02-26 Roger Sayle <roger@eyesopen.com>
14343 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
14345 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
14347 2006-02-26 Roger Sayle <roger@eyesopen.com>
14348 James A. Morrison <phython@gcc.gnu.org>
14350 PR middle-end/21137
14351 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
14352 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
14353 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
14354 signedness of the shift operation.
14356 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
14358 PR tree-optimization/26359
14359 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
14361 2006-02-25 Roger Sayle <roger@eyesopen.com>
14363 * simplify-rtx.c (simplify_relational_operation_1): Simplify
14364 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
14365 as X == 0, and some symmetry related transformations.
14366 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
14368 2006-02-25 Roger Sayle <roger@eyesopen.com>
14370 PR middle-end/23673
14371 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
14372 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
14373 symmetry related transformations. Fold (X^C1) == C2 as
14376 2006-02-25 Juergen Weigert <jw@suse.de>
14377 Richard Guenther <rguenther@suse.de>
14379 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
14381 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
14383 * combine.c (gen_lowpart_or_truncate): Call
14384 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
14386 2006-02-24 Diego Novillo <dnovillo@redhat.com>
14388 * doc/invoke.texi: Move -fopenmp description to "Options for
14390 Remove reference to -lgomp.
14392 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14394 * doc/install.texi: Require GNU tar version 1.14.
14396 2006-02-24 Geoffrey Keating <geoffk@apple.com>
14398 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
14399 * doc/invoke.texi (C++ Dialect Options): Document
14400 -fno-use-cxa-get-exception-ptr.
14401 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
14402 * configure: Regenerate.
14403 * c.opt (fuse-cxa-get-exception-ptr): New.
14404 * c-opts.c (c_common_handle_option): Handle
14405 OPT_fuse_cxa_get_exception_ptr.
14406 * c-common.c (flag_use_cxa_atexit): Update documentation.
14407 (flag_use_cxa_get_exception_ptr): New.
14408 * c-common.h (flag_use_cxa_get_exception_ptr): New.
14409 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
14411 (C_COMMON_OVERRIDE_OPTIONS): New.
14413 2006-02-24 Roger Sayle <roger@eyesopen.com>
14415 PR middle-end/24952
14416 * combine.c (try_combine): Explicitly check whether GET_CODE is
14417 a SET or a CLOBBER, instead on checking that it isn't a USE.
14419 2006-02-24 Roger Sayle <roger@eyesopen.com>
14421 * fold-const.c (fold_comparison): New subroutine of fold_binary
14422 containing transformations common to both the equality and
14423 ordering relational operators, factored out of fold_binary.
14424 (fold_binary): Separate out the equality operators (EQ_EXPR
14425 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
14426 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
14427 transformations common to both.
14428 (fold_div_compare): Fix latent bugs in the previously unreachable
14429 LT_EXPR and GE_EXPR cases.
14431 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14433 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
14434 decl libname for clog to __clog on AIX.
14436 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
14438 2006-02-24 Alan Modra <amodra@bigpond.net.au>
14441 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
14442 output traceback table for thunks. Localise rs6000_stack_info call.
14444 2006-02-23 Roger Sayle <roger@eyesopen.com>
14445 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14447 * gthr-posix.h (__gthrw): Fix typo in comment.
14449 2006-02-23 Geoffrey Keating <geoffk@apple.com>
14451 * doc/cpp.texi (Character sets): Document that we do support
14452 input files to be in any character set.
14454 2006-02-23 Jeff Law <law@redhat.com>
14456 * tree.h (PHI_ARG_NONZERO): Remove.
14457 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
14458 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
14459 node to the new node.
14461 PR tree-optimization/26425
14462 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
14463 min/max, then assume its varying.
14465 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14467 PR rtl-optimization/26316
14468 * rtlanal.c (enum may_trap_p_flags): New.
14469 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
14470 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
14471 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
14472 (may_trap_after_code_motion_p): New function.
14473 * loop-invariant.c (find_identical_invariants): Fix dump formating.
14474 (find_invariant_insn): Use may_trap_after_code_motion_p.
14475 * rtl.h (may_trap_after_code_motion_p): Declare.
14477 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14479 * emit-rtl.c (immed_double_const): Cleanup.
14481 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
14483 Fix PR tree-optimization/26376
14484 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
14487 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14489 PR middle-end/26412
14490 * gimplify.c (omp_add_variable): Guard variable size decl test with
14491 DECL_SIZE (decl) check.
14493 2006-02-23 Richard Guenther <rguenther@suse.de>
14495 PR middle-end/26439
14496 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
14497 like aggregate types.
14499 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14501 * configure.ac: Add --with{,out}-long-double-128 configure option.
14502 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
14503 * configure: Rebuilt.
14504 * config.in: Rebuilt.
14505 * doc/install.texi (Options specification): Document
14506 --with-long-double-128.
14508 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14509 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14510 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14511 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14513 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
14515 * config/s390/s390.c (override_options): Handle
14516 TARGET_DEFAULT_LONG_DOUBLE_128.
14518 * config/alpha/alpha.c (override_options): Handle
14519 TARGET_DEFAULT_LONG_DOUBLE_128.
14521 * config/sparc/sparc.c (sparc_override_options): Handle
14522 TARGET_DEFAULT_LONG_DOUBLE_128.
14524 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
14526 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
14527 (real-install-headers-tar, real-install-headers-cpio)
14528 (real-install-headers-cp): New targets.
14530 2006-02-22 Richard Sandiford <richard@codesourcery.com>
14532 * tree.h (variable_section): Delete.
14533 * varasm.c (variable_section): Delete.
14535 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
14537 * install.texi: Add notes on install.texi2html.
14538 (Building in parallel): Do not use footnotes.
14540 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
14543 * doc/install.texi (Configuration): Document --disable-libgomp.
14545 2006-02-21 Geoffrey Keating <geoffk@apple.com>
14547 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
14549 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14551 * config/i386/sse.md (vec_extractv2df_1_sse): New.
14552 (vec_extractv2df_0_sse): New.
14554 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14556 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
14557 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
14558 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
14559 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
14560 to the result of the expression.
14561 (def_cfa_1): Adjust.
14562 (frame_pointer_cfa_offset): Rename to...
14563 (frame_pointer_fb_offset): ... this. Adjust all uses.
14564 (convert_cfa_to_loc_list): Rename to...
14565 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
14566 Pass it on to build_cfa_loc.
14567 (compute_frame_pointer_to_cfa_displacement): Rename to...
14568 (compute_frame_pointer_to_fb_displacement): ... this. New
14569 offset parameter. Use it in computation.
14570 (gen_subprogram_die): Compute cfa_fb_offset with the new
14571 macro, and use it to compute the fb loc list and the
14574 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
14576 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
14577 replaced with register_operand.
14578 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
14579 non-DREG is expensive.
14580 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
14581 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
14584 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
14586 * doc/install.texi2html: Use set -e.
14588 2006-02-21 Richard Sandiford <richard@codesourcery.com>
14590 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14591 (ASM_OUTPUT_SHARED_LOCAL): Delete.
14592 * doc/invoke.texi (-fshared-data): Delete.
14593 * common.opt (fshared-data): Delete.
14594 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
14595 (assemble_static_space): Remove #if 0 code.
14596 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14597 (ASM_OUTPUT_SHARED_LOCAL): Poison.
14598 * config/cris/cris.h: Remove FIXME.
14600 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
14602 * doc/sourcebuild.texi (Front End Directory): No more double-colon
14605 2006-02-21 Jakub Jelinek <jakub@redhat.com>
14607 PR middle-end/26379
14608 * combine.c (simplify_shift_const_1): Disable nested shifts
14609 optimization for vector shifts.
14611 2006-02-20 Roger Sayle <roger@eyesopen.com>
14613 PR tree-optimization/26361
14614 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
14615 of unsigned integer types.
14617 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
14619 * tree-chrec.c (eq_evolutions_p): New.
14620 * tree-chrec.h (eq_evolutions_p): Declared.
14621 * tree-data-ref.c: Fix formatting.
14622 (datadep_stats, dependence_stats): New.
14624 (print_direction_vector): New.
14625 (dump_data_dependence_relation): Use print_direction_vector.
14626 (object_analysis, create_data_ref): Handle COMPONENT_REF.
14627 (compute_subscript_distance): Static.
14628 (initialize_data_dependence_relation): Static. Get the number
14629 of loops surrounding the references from the callers, and initialize
14630 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
14631 base_object_differ_p analyzers.
14632 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
14633 compute_overlap_steps_for_affine_1_2,
14634 analyze_subscript_affine_affine): Count the classified dependences.
14635 Print a message when a test failed.
14636 (can_use_analyze_subscript_affine_affine): New.
14637 (analyze_siv_subscript): Compute the data dependences on symbolic
14638 scevs that verify can_use_analyze_subscript_affine_affine.
14639 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
14640 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
14641 Handle symbolic scevs.
14642 (analyze_overlapping_iterations): Let symbolic affine scevs to be
14644 (subscript_dependence_tester): Moved...
14645 (build_classic_dist_vector, build_classic_dir_vector): Don't use
14646 lambda_vector_clear on newly allocated vectors. Get nb_loops from
14647 DDR_SIZE_VECT instead of getting it in parameter.
14648 (subscript_dependence_tester): ... here. Take as a parameter
14649 loop_nest_depth. Call build_classic_dist_vector and
14650 build_classic_dir_vector.
14651 (compute_affine_dependence): Update subscript_dependence_tester
14652 parameters. Update datadep_stats counters. Call
14653 compute_subscript_distance.
14654 (compute_self_dependence): Save the dist and dir vectors. Call
14655 compute_subscript_distance.
14656 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
14657 (compute_all_dependences): Reorder parameters as they were before
14658 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
14659 compute_subscript_distance. Update the use of
14660 compute_affine_dependence and initialize_data_dependence_relation.
14661 (find_data_references_in_loop): Handle COMPONENT_REF.
14662 (compute_data_dependences_for_loop): Initialize dependence_stats.
14663 Don't call build_classic_dist_vector and build_classic_dir_vector.
14664 Update the parameters of initialize_data_dependence_relation and
14665 compute_all_dependences. Print the statistics from datadep_stats.
14666 (analyze_all_data_dependences): Static. Not used until the pass for
14667 checking the data dependences is contributed.
14668 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
14669 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
14670 (initialize_data_dependence_relation, compute_affine_dependence,
14671 analyze_all_data_dependences, compute_subscript_distance): Removed.
14672 (print_direction_vector): New.
14673 * lambda.h (gcd): ... here.
14674 (lambda_vector_gcd): Moved here from gcd_vector.
14675 * lambda-code.c (gcd, gcd_vector): Removed.
14676 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
14677 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
14679 2006-02-20 Diego Novillo <dnovillo@redhat.com>
14681 * ipa-type-escape.c: Tidy some comments and white space.
14682 * tree-ssa-operands.c: Likewise.
14684 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
14687 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
14688 (dump_decl_name): Do not walk the decl tree chains.
14689 * tree-pass.h (TDF_CHAIN): Remove.
14691 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14693 * Makefile.in (C): Remove
14695 (.PHONY): Remove C and PROTO
14697 2006-02-20 Roger Sayle <roger@eyesopen.com>
14699 PR middle-end/26236
14700 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
14701 deprecated CHAR_TYPE tree code.
14703 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14705 * configure.ac (target_list): Add install-info, dvi, html.
14706 * configure: Regenerate.
14708 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
14709 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
14710 treelang/Make-lang.in: Do not use double-colon rules.
14712 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
14714 * tree.h (struct tree_memory_tag): Add is_used_alone member.
14715 (TMT_USED_ALONE): New macro.
14716 * tree-pass.h (PROP_tmt_usage): New property.
14717 (TODO_update_tmt_usage): New todo.
14718 * tree-ssa-alias.c (updating_used_alone): New variable.
14719 (recalculate_used_alone): New function.
14720 (compute_may_aliases): Set updating_used_alone, call
14721 recalculate_used_alone.
14722 * tree-sra.c (pass_sra): Note that this pass destroys
14723 PROP_tmt_usage, and add TODO_update_tmt_usage.
14724 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
14725 * tree-flow.h (updating_used_alone): Prototype.
14726 (recalculate_used_alone): Ditto.
14727 * passes.c (execute_todo): Add code to set updating_used_alone,
14728 and call recalculate.
14729 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
14730 for clobber if used alone, and add assert to verify used_alone
14733 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
14735 * config/s390/s390.c (legitimize_pic_address): Assertions checking
14736 for non tls symbols added.
14737 (legitimize_address): Do nothing for PLUS expressions if one of the
14738 addends is a tls symbol reference.
14740 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14744 * Makefile.in (LDFLAGS): Define from autoconf substitution.
14746 * Makefile.in (BOOTSTRAPPING): New.
14747 (quickstrap): New definition if BOOTSTRAPPING=yes.
14749 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
14750 * configure.ac: Substitute all_selected_languages with the languages
14751 that were configured. For all the other variables except
14752 lang_specs_files, include all the languages in the tree.
14753 * configure: Regenerate.
14755 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
14756 if there is one. Run the commands to run fixincludes in the same
14759 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
14760 * doc/install.texi: Document exact conventions for searching target tools.
14761 Document --with-build-time-tools. Document toplevel bootstrap. Document
14762 something more about building an Ada cross-compiler. Don't list GNU Make
14763 requirements which affect all platforms.
14765 2006-02-19 Roger Sayle <roger@eyesopen.com>
14767 PR middle-end/19543
14768 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
14769 only equivalent if the have both the same mode and precision.
14771 2006-02-20 Ben Elliston <bje@au.ibm.com>
14773 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
14775 2006-02-19 Roger Sayle <roger@eyesopen.com>
14776 Steven Bosscher <stevenb.gcc@gmail.com>
14778 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
14779 constant pool references to identify stack mode constants.
14780 * rtlanal.c (constant_pool_constant_p): New predicate to check
14781 whether operand is a floating point constant in the pool.
14782 * rtl.h (constant_pool_constant_p): Prototype here.
14783 * loop.c (scan_loop): Avoid hoisting constants from the constant
14784 pool on STACK_REGS targets.
14785 (load_mems): Likewise.
14786 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
14787 loads into x87 registers expensive in terms of register pressure.
14789 2006-02-19 Roger Sayle <roger@eyesopen.com>
14791 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
14792 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
14794 2006-02-19 David Edelsohn <edelsohn@gnu.org>
14796 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14797 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
14799 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
14801 * doc/invoke.texi: Document -fipa-pta.
14802 * common.opt: Add ipa-pta option.
14803 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
14804 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
14805 (do_ds_constraint): Ditto.
14806 (get_constraint_for): Only add to referenced_vars if
14807 referenced_vars exists.
14808 (insert_into_field_list): Rewrite to do this unsorted.
14809 (insert_into_field_list_sorted): Rename old insert_into_field_list
14811 (create_function_info_for): Use insert_into_field_list_sorted.
14812 (create_variable_info_for): Rewrite so it uses unsorted version,
14813 since the field list is sorted.
14814 (intra_create_variable_infos): Only add to referenced_vars if
14815 referenced_vars exists.
14816 (ipa_pta_execute): Init heapvars, and delete when done.
14817 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
14819 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14821 * doc/install.texi: Add missing `@samp'.
14823 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14825 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
14828 2006-02-18 Mark Wielaard <mark@klomp.org>
14830 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
14831 who added new 4.1 features, bug fixes and integration support.
14833 2006-02-18 David Edelsohn <edelsohn@gnu.org>
14836 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
14837 MEM for ABI_V4 pic.
14839 2006-02-18 Richard Sandiford <richard@codesourcery.com>
14841 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
14842 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
14843 (copy_insn_1): Likewise. Don't copy each field individually.
14845 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
14847 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
14848 * rtl.c (rtx_size): Rename variable to...
14849 (rtx_code_size): ...this.
14850 (rtx_size): New function.
14851 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
14852 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
14854 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
14855 * rtl.h (rtx_code_size): New variable.
14856 (rtx_size): Change from a variable to a function.
14857 (RTX_SIZE): Rename to...
14858 (RTX_CODE_SIZE): ...this.
14861 PR tree-optimization/17106
14862 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
14863 (Anchored Addresses): New section.
14864 * doc/invoke.texi (-fsection-anchors): Document.
14865 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
14866 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
14867 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
14868 * hooks.c (hook_bool_mode_rtx_false): New function.
14869 * hooks.h (hook_bool_mode_rtx_false): Declare.
14870 * gengtype.c (create_optional_field): New function.
14871 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
14872 SYMBOL_REF_IN_BLOCK_P is true.
14873 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
14874 (min_anchor_offset, max_anchor_offset): Likewise.
14875 (use_anchors_for_symbol_p): New hook.
14876 * toplev.c (compile_file): Call output_object_blocks.
14877 (target_supports_section_anchors_p): New function.
14878 (process_options): Check that -fsection-anchors is only used on
14879 targets that support it and when -funit-at-a-time is in effect.
14880 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
14881 if the decl doesn't have one.
14882 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
14883 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
14884 of force_const_mem through use_anchored_address.
14885 (expand_expr_constant): New function.
14886 (expand_expr_addr_expr_1): Call it. Use the same modifier when
14887 calling expand_expr for INDIRECT_REF.
14888 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
14889 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
14890 * expr.h (use_anchored_address): Declare.
14891 * loop-unroll.c: Don't declare rtx vectors here.
14892 * explow.c: Include output.h.
14893 (validize_mem): Call use_anchored_address.
14894 (use_anchored_address): New function.
14895 * common.opt (-fsection-anchors): New switch.
14896 * varasm.c (object_block_htab, anchor_labelno): New variables.
14897 (hash_section, object_block_entry_eq, object_block_entry_hash)
14898 (use_object_blocks_p, get_block_for_section, create_block_symbol)
14899 (use_blocks_for_decl_p, change_symbol_section): New functions.
14900 (get_variable_section): New function, split out from assemble_variable.
14901 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
14902 use_blocks_for_decl_p say so. Use change_symbol_section if the
14903 symbol has already been created.
14904 (assemble_variable_contents): New function, split out from...
14905 (assemble_variable): ...here. Don't output any code for
14906 block symbols; just pass them to place_block_symbol.
14907 Use get_variable_section and assemble_variable_contents.
14908 (get_constant_alignment, get_constant_section, get_constant_size): New
14909 functions, split from output_constant_def_contents.
14910 (build_constant_desc): Create a block symbol if use_object_blocks_p
14911 says so. Or into SYMBOL_REF_FLAGS.
14912 (assemble_constant_contents): New function, split from...
14913 (output_constant_def_contents): ...here. Don't output any code
14914 for block symbols; just pass them to place_section_symbol.
14915 Use get_constant_section and get_constant_alignment.
14916 (force_const_mem): Create a block symbol if use_object_blocks_p and
14917 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
14918 (output_constant_pool_1): Add an explicit alignment argument.
14919 Don't switch sections here.
14920 (output_constant_pool): Adjust call to output_constant_pool_1.
14921 Switch sections here instead. Don't output anything for block symbols;
14922 just pass them to place_block_symbol.
14923 (init_varasm_once): Initialize object_block_htab.
14924 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
14925 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
14926 (place_block_symbol, get_section_anchor, output_object_block)
14927 (output_object_block_htab, output_object_blocks): New functions.
14928 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
14929 (TARGET_ASM_OUT): Include it.
14930 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
14931 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
14932 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
14933 (TARGET_INITIALIZER): Include them.
14934 * rtl.c (rtl_check_failed_block_symbol): New function.
14935 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
14936 (block_symbol, object_block): New structures.
14937 (rtx_def): Add a block_symbol field to the union.
14938 (BLOCK_SYMBOL_CHECK): New macro.
14939 (rtl_check_failed_block_symbol): Declare.
14940 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
14941 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
14942 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
14943 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
14944 * output.h (output_section_symbols): Declare.
14945 (object_block): Name structure.
14946 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
14947 (default_use_anchors_for_symbol_p): Declare.
14948 * Makefile.in (RTL_BASE_H): Add vec.h.
14949 (explow.o): Depend on output.h.
14950 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
14951 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
14952 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
14953 (rs6000_use_blocks_for_constant_p): New function.
14955 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14957 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
14959 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14962 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
14965 2006-02-18 Diego Novillo <dnovillo@redhat.com>
14967 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
14971 2006-02-18 Jakub Jelinek <jakub@redhat.com>
14973 PR middle-end/26334
14974 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
14975 instead of DECL_REGISTER.
14977 2006-02-18 Olivier Hainque <hainque@adacore.com>
14980 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
14982 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
14985 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
14986 * opth-gen.awk: Handle Var and InverseMask together.
14987 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
14988 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
14989 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
14990 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
14992 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14993 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14994 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
14995 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14996 LINUX_DYNAMIC_LINKER): Define.
14997 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
14998 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
15000 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15001 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
15002 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15003 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15004 (TARGET_C99_FUNCTIONS): Don't define.
15005 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
15006 GLIBC_DYNAMIC_LINKER.
15007 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
15008 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
15009 GLIBC_DYNAMIC_LINKER64): Define.
15010 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15011 LINUX_DYNAMIC_LINKER64.
15012 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15013 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15014 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
15015 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15016 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15017 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15018 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
15019 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
15020 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
15021 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
15022 and LINUX_DYNAMIC_LINKER32.
15023 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15024 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15025 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
15026 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15027 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
15029 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
15030 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
15031 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15032 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15033 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15034 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
15035 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
15036 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
15037 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15038 LINUX_DYNAMIC_LINKER): Define.
15039 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
15040 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
15041 GLIBC_DYNAMIC_LINKER64): Define.
15042 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15043 LINUX_DYNAMIC_LINKER64.
15044 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15045 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15046 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
15047 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15048 LINUX_DYNAMIC_LINKER): Define.
15049 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15050 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15051 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
15052 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
15053 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
15054 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15055 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
15056 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
15057 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15058 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15059 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15060 * doc/invoke.texi (-muclibc): Remove caveat about supported
15063 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
15065 * doc/cpp.texi (__TIMESTAMP__): Document.
15067 2006-02-17 Roger Sayle <roger@eyesopen.com>
15069 PR middle-end/25600
15070 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
15071 C is one less than the width of X (and related transformations).
15072 * simplify-rtx.c (simplify_unary_operation_1): Transform
15073 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
15074 depending on STORE_FLAG_VALUE, were C is one less then the
15077 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
15079 Fix PR tree-optimization/26341
15080 * tree-ssa-operands.c (add_virtual_operand): Remove assert
15081 about NAME_MEMORY_TAG's.
15083 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15086 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
15087 with hardware float support, and software float support. Add fcpy
15088 alternative to hardware patterns. Add alternatives to copy between
15089 general and floating-point registers to the 32-bit pattern.
15090 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
15091 secondary reload to load a QI or HI mode constant into a floating
15093 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
15094 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
15096 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
15099 * config/rs6000/darwin.md (load_macho_picbase_si): Add
15101 (load_macho_picbase_di): Likewise.
15103 2006-02-16 Jeff Law <law@redhat.com>
15105 * tree-vrp.c (set_value_range_to_nonnegative): New function.
15106 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
15107 (ssa_name_nonzero_p): Likewise.
15108 (get_value_range): Return NULL if VRP is not running.
15109 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
15110 VRP routines do not discover a range.
15111 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
15112 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
15113 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
15114 (tree_expr_nonnegative_p): Similarly.
15115 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
15116 (restore_nonzero_vars_to_original_value): Remove.
15117 (unsafe_associative_fp_binop): Remove.
15118 (tree_ssa_dominator_optimize): Remove initialization and
15119 finalization of nonzero_vars and nonzero_vars_stack.
15120 (dom_opt_initialize_block): No longer push marker on
15121 nonzero_vars_stack.
15122 (dom_opt_finalize_block): No longer call
15123 restore_nonzero_vars_to_original_value.
15124 (record_equivalences_from_phis): No longer look for
15125 nonzero PHI arguments.
15126 (cprop_into_successor_phis): No longer propagate nonzero
15127 property into PHI arguments. Lose unused argument. Caller
15129 (record_equivalences_from_stmt): No longer record nonzero
15130 values for SSA_NAMEs.
15131 (lookup_avail_expr): No longer use nonzero_vars.
15133 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
15134 for sizetype when sizetype is unsigned.
15136 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
15138 PR rtl-optimization/25603
15139 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
15140 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
15141 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
15142 with new meaning of SETS.
15144 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
15149 * config/linux.opt: New file.
15150 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
15151 LINUX_DYNAMIC_LINKER): Define.
15152 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
15153 * config.gcc (*-*-linux*): Define extra_options.
15154 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
15155 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
15156 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
15157 GLIBC_DYNAMIC_LINKER.
15158 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
15159 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15160 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15161 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15162 * doc/invoke.texi (GNU/Linux Options): New section.
15164 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
15166 * config/sparc/sparc.md (setjmp): Rewrite.
15167 (setjmp_32): Delete.
15168 (setjmp_64): Likewise.
15170 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
15172 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
15175 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15177 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
15180 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15182 PR rtl-optimization/26296
15183 * Makefile.in (loop-invariant.c): Add except.h dependency.
15184 * loop-invariant.c: Include except.h.
15185 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
15187 2005-02-16 Paul Brook <paul@codesourcery.com>
15189 * reload1.c (emit_reload_insns): Invalidate dead input registers used
15192 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
15194 PR rtl-optimization/25636
15195 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
15196 when deciding whether an insn is an initializing insn.
15198 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
15200 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
15201 (tree_code_size): Ditto.
15202 * tree.h (struct tree_memory_tag): Remove parent_var.
15203 (struct tree_struct_field_tag): New.
15206 (union tree_node): Add sft member.
15207 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
15209 (create_sft): Add size and offset argument, set SFT_OFFSET and
15211 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
15212 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
15213 * tree-flow-inline.h (get_subvar_at): Update for
15214 SFT_OFFSET/SFT_SIZE.
15215 (var_can_have_subvars): Ditto.
15216 (overlap_subvar): Ditto.
15217 * print-tree.c (print_node): Print out interesting things for
15219 * tree-flow.h (struct subvar): Remove offset and size members.
15220 * tree-ssa-operands.c (get_expr_operands): Update for
15221 get_indirect_ref_operands changes.
15222 (get_indirect_ref_operands): Call add_virtual_operand instead of
15223 add_stmt_operand. Only recurse on base var if requested.
15224 (access_can_touch_variable): New function.
15225 (add_stmt_operand): Split virtual operand handling into ...
15226 (add_virtual_operand): Here. Add offset, size, and for_clobber
15227 arguments. Prune alias sets.
15228 (add_call_clobber_ops): Call add_virtual_operand.
15230 2006-02-15 Jakub Jelinek <jakub@redhat.com>
15232 PR middle-end/26300
15233 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
15235 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
15236 than TREE_CODE as index into omp_clause_num_ops array.
15238 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
15240 PR rtl-optimization/26184
15241 * modulo-sched.c (generate_reg_moves): Free bitmap vector
15243 * modulo-sched.c (sms_schedule): Free g_arr pointer.
15244 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
15245 must_precede, must_follow and tobe_scheduled.
15248 * opts.c (common_handle_option): Free new_option pointer.
15249 * df-core.c (df_analyze): Free postorder pointer.
15251 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
15253 * Makefile.in: Fix the examples about the use of stamps
15255 2006-02-15 Michael Matz <matz@suse.de>
15257 PR middle-end/22275
15259 * stor-layout.c (layout_decl): Zero-width bitfields aren't
15260 influenced by maximum_field_alignment or DECL_PACKED.
15261 (update_alignment_for_field): Ditto.
15262 (place_field): Ditto.
15263 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
15266 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
15268 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
15269 (debug_flow_info): Pass it.
15270 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
15271 * bb-reorder.c (reorder_basic_blocks): Likewise.
15272 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
15273 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
15274 * flow.c (life_analysis, recompute_reg_usage): Likewise.
15275 * gcse.c (gcse_main, bypass_jumps): Likewise.
15276 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
15277 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
15278 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
15279 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
15280 * rtl.h (dump_flow_info): Adjust prototype.
15281 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
15282 * var-tracking.c (variable_tracking_main): Likewise.
15283 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
15284 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
15287 2006-02-15 Marcin Dalecki <martin@dalecki.de>
15289 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
15292 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15294 PR tree-optimization/26209
15295 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
15296 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
15298 * tree-cfg.c (replace_uses_by): Do not alter cfg.
15300 2006-02-14 Roger Sayle <roger@eyesopen.com>
15302 PR middle-end/23670
15303 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
15304 (X,Y) and the corresponding symmetry related transformations.
15305 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
15306 (X,Y) and its symmetry related transformations.
15308 2006-02-14 Roger Sayle <roger@eyesopen.com>
15310 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
15313 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
15315 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
15317 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15320 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
15321 support COMDAT group.
15322 * configure: Regenerate.
15324 2006-02-14 Roger Sayle <roger@eyesopen.com>
15326 PR middle-end/26279
15327 PR middle-end/26280
15328 PR middle-end/26283
15329 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
15331 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
15333 Fix PR tree-optimization/26260
15335 * doc/invoke.texi (max-fields-for-field-sensitive): Document
15337 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
15338 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
15339 * tree-ssa-structalias.c (create_variable_info_for): Use
15340 MAX_FIELDS_FOR_FIELD_SENSITIVE.
15342 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15344 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
15346 * tree-ssa-loop-niter.c (number_of_iterations_ne,
15347 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
15348 of the ending condition.
15349 * tree-ssa-loop-manip.c: Include params.h.
15350 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
15351 tree_unroll_loop): New functions.
15352 * tree-pass.h (pass_loop_prefetch): Declare.
15353 * loop.c (rest_of_handle_loop_optimize): Test for
15354 -fprefetch-loop-arrays-rtl.
15355 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
15356 * timevar.def (TV_TREE_PREFETCH): New timevar.
15357 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
15358 pass_loop_prefetch): New.
15359 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
15360 (cleanup_tree_cfg_loop): Call scev_reset.
15361 * common.opt (fprefetch-loop-arrays-rtl): Add.
15362 * tree-ssa-loop-prefetch.c: New file.
15363 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
15364 (new_temp_expr_table): Initialize expr_vars.
15365 (free_temp_expr_table): Cleanup expr_vars.
15366 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
15367 expressions from being merged into one.
15368 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
15369 (struct tree_niter_desc): Add control, bound and cmp fields.
15370 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
15372 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
15373 (tree-cfgcleanup.o): Add SCEV_H dependency.
15374 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
15375 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
15377 2006-02-14 Richard Guenther <rguenther@suse.de>
15379 PR tree-optimization/26258
15380 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
15381 in PHI argument processing.
15383 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
15385 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
15386 new expression in the requested machine mode.
15388 2006-02-13 Roger Sayle <roger@eyesopen.com>
15390 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
15391 directly, instead let do_compare_rtx_and_jump handle this for us.
15392 * expr.c (expand_expr_real_1): Likewise.
15393 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
15394 before do_jump_by_parts_greater.
15395 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
15396 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
15398 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15400 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
15402 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15404 PR rtl-optimization/26235
15405 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
15406 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
15409 2006-02-13 Jeff Law <law@redhat.com>
15411 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
15414 2006-02-13 Jakub Jelinek <jakub@redhat.com>
15416 PR middle-end/26092
15417 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
15418 twice if decl is a builtin. When trying again, call get_callee_fndecl
15419 first to verify it is still a builtin.
15421 2006-02-13 Geoffrey Keating <geoffk@apple.com>
15423 * dwarf2out.c (base_type_die): Don't add AT_name here.
15424 (subrange_type_die): Don't add AT_name here.
15425 (modified_type_die): Rearrange code flow. Do add AT_name here.
15427 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15429 PR rtl-optimization/26247
15430 PR rtl-optimization/26248
15431 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
15433 2006-02-13 Richard Sandiford <richard@codesourcery.com>
15435 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
15436 * config/fixtfdi.c: Likewise.
15437 * config/fixunstfdi.c: Likewise.
15438 * config/floatditf.c: Likewise.
15440 2006-02-13 Roger Sayle <roger@eyesopen.com>
15442 PR middle-end/24427
15443 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
15444 into (X,C2) if C1 is a subset of the bits of C2. Transform
15445 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
15447 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
15449 2006-02-13 Josh Conner <jconner@apple.com>
15452 * varasm.c (function_section): Check for section name before
15453 calling select_section on targets that define
15454 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
15455 unlikely_text_section instead of hot_function_section if
15456 first_function_block_is_cold.
15458 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
15460 PR middle-end/25335
15461 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
15463 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15465 PR rtl-optimization/26222
15466 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
15467 after tree->rtl expansion.
15468 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
15469 before passing it to emit_move_insn.
15471 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
15473 * doc/invoke.texi (-Write-strings): Document that it is enabled by
15475 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
15476 Clarify documentation.
15477 * c-common.h (warn_write_strings): Remove.
15478 * c-common.c (warn_write_strings): Likewise.
15479 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
15482 2006-02-12 Roger Sayle <roger@eyesopen.com>
15484 PR middle-end/25724
15485 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
15486 (do_jump_parts_zero_rtx): New function renamed from
15487 do_jump_parts_equality_rtx. Made static. Add a mode argument.
15488 (do_jump_parts_equality_rtx): New function split out from
15489 do_jump_parts_equality. Old implementation renamed as above.
15490 Call do_jump_parts_zero_rtx if either operand is zero.
15491 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
15492 do all of the heavy lifting.
15493 (do_compare_rtx_and_jump): Handle multi-word comparisons by
15494 calling either do_jump_by_parts_greater_rtx or
15495 do_jump_by_parts_equality_rtx.
15496 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
15497 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
15498 moved to do_compare_rtx_and_jump, call it directly.
15499 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
15500 mode argument. Call do_compare_rtx_and_jump.
15501 (emit_case_nodes): Update calls to do_jump_if_equal.
15503 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15505 PR rtl-optimization/26225
15506 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
15508 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15510 PR rtl-optimization/26232
15511 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
15513 2006-02-11 Jason Merrill <jason@redhat.com>
15516 * tree-inline.c (declare_return_variable): Just don't use the
15517 modify target if it's a gimple complex reg and the return slot
15520 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15522 * doc/contrib.texi: Update my entry.
15524 2006-02-10 Geoffrey Keating <geoffk@apple.com>
15526 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
15528 2006-02-10 Diego Novillo <dnovillo@redhat.com>
15530 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
15533 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
15535 * doc/invoke.texi (-floop-optimize2): Removed.
15536 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
15537 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
15538 Test flag_branch_on_count_reg only if HAVE_doloop_end.
15539 * common.opt (floop-optimize2): Removed.
15540 (fmove-loop-invariants): Enabled by default.
15542 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
15544 * tree-if-conv.c (combine_blocks): Free the result of
15545 get_loop_exit_edges.
15547 2006-02-10 Jeff Law <law@redhat.com>
15549 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
15551 PR tree-optimization/26213
15552 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
15553 loop trying to follow SSA_NAME_VALUE chains.
15555 2006-02-10 Richard Guenther <rguenther@suse.de>
15557 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
15558 deal with structures that end in implicitly variable sized arrays.
15560 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15562 PR rtl-optimization/24762
15563 * df-scan.c (df_bb_refs_record): Record correct registers defined on
15566 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15568 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
15569 (struct ivopts_data): Add regs_used field.
15570 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
15571 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
15572 instead of loop_data->regs_used;
15573 (free_loop_data): Do not free aux fields for loops.
15574 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
15575 and tree_ssa_iv_optimize_finalize.
15577 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
15579 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
15581 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15584 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
15585 computing the effective result type.
15587 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15589 PR inline-asm/16194
15590 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
15591 (tree_overlaps_hard_reg_set): Declare.
15592 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
15593 type and signature to match function type expected by walk_tree.
15594 (tree_overlaps_hard_reg_set): New function.
15595 (decl_conflicts_with_clobbers_p): Rename to:
15596 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
15597 Use tree_overlaps_hard_reg_set. Changed caller.
15598 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
15599 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
15600 * cris.c (cris_md_asm_clobbers): Likewise.
15602 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
15604 * reload1.c (emit_input_reload_insns): Delete code that tries to
15605 inherit using find_equiv_reg.
15607 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
15609 * c-common.h (flag_const_strings): Don't declare.
15610 * c-common.c (flag_const_strings): Remove.
15611 * c.opt (fconst_strings): Remove.
15612 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
15613 <OPT_Wwrite_strings>: Don't set flag_const_strings.
15614 (c_common_init_options): Don't set flag_const_strings.
15615 * doc/invoke.texi (-fno-const-strings): Remove documentation.
15617 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
15619 * arm.md (tlobits_cbranch): New pattern.
15620 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
15621 testing a single bit.
15623 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15626 * tree-ssa-pre.c (create_component_ref_by_pieces):
15627 Handle RETURN_DECL like VAR_DECL.
15629 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15631 PR middle-end/26134
15632 * fold-const.c (fold_indirect_ref_1): Fold
15633 "*(foo *)&complexfoo" to "__real__ complexfoo"
15634 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
15636 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15638 * tree-flow-inline.h (var_can_have_subvars):
15639 Volatile variables should not have subvariables.
15641 2006-02-09 Diego Novillo <dnovillo@redhat.com>
15644 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
15645 multiplying unsigned values.
15648 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
15650 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
15652 2006-02-08 Jason Merrill <jason@redhat.com>
15655 * tree.def: Elaborate on difference from MODIFY_EXPR.
15656 * doc/c-tree.texi (INIT_EXPR): Likewise.
15657 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
15658 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
15659 (gimplify_target_expr): Likewise.
15660 (gimplify_cond_expr): Remove target handling.
15661 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
15662 (gimplify_expr): Clobber it here.
15663 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
15664 Do return slot optimization if we have an INIT_EXPR.
15667 * tree-inline.c (declare_return_variable): Also clear
15668 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
15671 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
15673 PR middle-end/22439
15674 * gimplify.c (gimplify_one_sizepos): Fix typo.
15676 2006-02-08 Jeff Law <law@redhat.com>
15678 PR tree-optimization/21417
15679 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
15680 across a backedge if the control statement at the end of the
15681 block is data dependent on other statements in the same block.
15682 (record_temporary_equivalences_from_stmts): Remove over-conservative
15683 test for threading across backedges.
15685 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
15686 control statement, handle all three special cases in the same
15687 manner as they all have the same desired solution. No longer
15688 special case edge flag updating when the post dominator is
15691 2006-02-08 Roger Sayle <roger@eyesopen.com>
15693 * tree.def (CHAR_TYPE): Remove.
15694 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
15695 * dwarf2out.c (base_type_die, is_base_type): Likewise.
15696 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
15697 (gen_string_type_die): Delete unreachable function.
15699 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
15700 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
15701 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
15702 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
15703 * builtins.c (type_to_class): Likewise.
15704 * fold-const.c (fold_convert, build_range_check,
15705 merge_ranges): Likewise.
15706 * expr.c (count_type_elements): Likewise.
15707 * c-pretty-print.c (pp_c_type_specifier): Likewise.
15708 * stor-layout.c (layout_type): Likewise.
15709 * ipa-type-escape.c (type_to_consider): Likewise.
15710 * gimplify.c (omp_firstprivatize_type_sizes,
15711 gimplify_type_sizes): Likewise.
15712 * explow.c (promote_mode): Likewise.
15713 * tree-sra.c (is_sra_scalar_type): Likewise.
15714 * varasm.c (output_constant): Likewise.
15715 * tree-inline.c (remap_type_1): Likewise.
15716 * convert.c (convert_to_pointer, convert_to_real,
15717 convert_to_integer, convert_to_complex): Likewise.
15719 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
15721 * df-scan.c (df_def_record_1): A set destination may
15722 be a parallel regardless of mode.
15724 2006-02-08 Roger Sayle <roger@eyesopen.com>
15727 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
15728 * config/mips/_tilib.c: Remove.
15729 * config/fixtfdi.c: New libgcc source file.
15730 * config/fixunstfdi.c: New source file.
15731 * config/floatditf.c: New source file.
15732 * config/floatunditf.c: New souce file.
15733 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
15734 files above instead of config/mips/_tilib.c.
15735 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
15737 2006-02-08 Jeff Law <law@redhat.com>
15739 PR tree-optimization/26169
15740 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
15743 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
15745 * df.h (DF_REG_SIZE): Return the length of the initialized
15748 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
15750 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
15751 __muldf3): Return a correctly signed zero.
15753 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
15755 * passes.c (register_one_dump_file): Accept the current properties
15756 instead of pass number. Adjust call to dump_register. Remove
15758 (register_dump_files): Now a wrapper around...
15759 (register_dump_files_1): ... this one. Do not modify the pass
15761 (next_pass_1): Cosmetic fix.
15762 (execute_todo): Keep second parameter only. Use curr_properties
15763 instead of fetching it from the pass structure. Check and set
15765 (execute_one_pass): Handle TODO_set_props. Use curr_properties
15766 instead of fetching it from the pass structure. Fix calls to
15767 execute_todo. Update curr_properties and initialize .vcg RTL dump
15768 after running the pass. Reset last_verified.
15769 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
15771 (FIRST_AUTO_NUMBERED_DUMP): New.
15772 (dump_register): Remove "num" parameter, assign it within the
15774 (get_dump_file_name): Modify template for dumps.
15775 * tree-dump.h (dump_register): Adjust prototype.
15776 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
15777 (PROP_trees): Add PROP_gimple_lomp.
15778 (TODO_set_props): New.
15779 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
15780 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
15781 * cfgexpand.c (pass_expand): Destroy PROP_trees.
15783 2006-02-08 Jakub Jelinek <jakub@redhat.com>
15785 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
15786 (sparc64-*-linux*): Likewise.
15787 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
15788 * config/sparc/t-linux: New file.
15789 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
15790 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
15791 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
15792 -m32 -mlong-double-128.
15794 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
15795 * config/alpha/t-linux: New file.
15796 * config/alpha/libgcc-alpha-ldbl.ver: New file.
15798 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
15799 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
15800 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
15801 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
15802 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
15803 (CPP_ARCH32_SPEC): Remove.
15805 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
15807 PR tree-optimization/26145
15808 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
15811 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15814 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
15815 >= 240000 when generating code for SOM runtime.
15816 (output_indirect_call): Don't use "b,l" instruction for indirect calls
15817 to $$dyncall when generating code for SOM runtime..
15819 2006-02-07 Dirk Mueller <dmueller@suse.com>
15822 * doc/invoke.texi (-Wsequence-point): Update documentation
15823 that -Wsequence-point is implemented for C++ as well.
15825 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15827 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
15828 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
15829 (LIB_SPEC): Likewise.
15830 * doc/invoke.texi (SPARC options): Document -pthread.
15832 2006-02-07 Geoffrey Keating <geoffk@apple.com>
15834 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
15837 2006-02-07 Roger Sayle <roger@eyesopen.com>
15839 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
15840 Correct comment describing BOOLEAN_TYPE.
15842 2006-02-07 Dirk Mueller <dmueller@suse.com>
15844 * c.opt: C++ frontend supports -Wdiv-by-zero.
15845 * c-opts.c (c_common_handle_option): Remove dead case.
15847 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15849 * configure.ac (TLS assembler check): Do not enable TLS by
15850 default on SPARC/Solaris before version 10.
15851 * configure: Regenerate.
15853 2006-02-07 David Edelsohn <edelsohn@gnu.org>
15855 * doc/invoke.texi (xl-compat): Document conversion and support
15858 2006-02-07 Jeff Law <law@redhat.com>
15860 * tree-vrp.c (find_conditional_asserts): Update comments.
15861 (simplify_stmt_for_jump_threading): New.
15862 (identify_jump_threads, finalize_jump_threads): New.
15863 (vrp_finalize): Call identify_jump_threads.
15864 (execute_vrp): Call finalize_jump_threads.
15865 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
15866 (vrp_element, vrp_data, vrp_element_p): Remove.
15867 (vrp_hash_elt, vrp_variables_stack): Remove.
15868 (vrp_hash, vrp_eq, record_range): Remove.
15869 (simplify_cond_and_lookup_avail_expr): Remove.
15870 (extract_range_from_cond): Remove.
15871 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
15872 (simplify_stmt_for_jump_threading): New.
15873 (dom_thread_across_edge): New wrapper.
15874 (tree_ssa_dominator_optimize): No longer initialize or
15875 finalize any of the VRP datastructures. Remove iteration
15876 step and simplify as a result of removal of iteration step.
15877 (pass_dominator): Perform a cfg cleanup after DOM.
15878 (dom_opt_finalize_block): Use the new common routines
15879 for threading jumps. Simplify stack management slightly.
15880 No longer need to unwind VRP state.
15881 (record_equivalences_from_incoming_edge): No longer record
15883 (eliminate_redundant_computations): No longer call
15884 simplify_cond_and_lookup_avail_expr.
15885 * tree-flow.h (potentially_threadable_block): Prototype.
15886 (thread_across_edge): Likewise.
15887 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
15888 (tree-ssa-threadedge.o): Add dependencies.
15889 * tree-ssa-threadedge.c: New file.
15890 * passes.c (init_optimization_passes): Merge PHIs before
15891 calling VRP. Run VRP again late in the SSA optimization pipeline.
15893 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15895 * df-core.c (df_set_blocks): Do not dereference function pointers.
15896 (df_finish1): Likewise.
15897 (df_hybrid_search_forward): Likewise.
15898 (df_hybrid_search_backward): Likewise.
15899 (df_iterative_dataflow): Likewise.
15900 (df_analyze_problem): Likewise.
15901 (df_compact_blocks): Likewise.
15902 (df_dump): Likewise.
15903 * df-scan.c (df_rescan_blocks): Likewise.
15904 (df_record_entry_block_defs): Likewise.
15906 * genconditions.c (write_conditions): Guard the definition of
15907 'insn_conditions' with the check on GCC version.
15908 (write_writer): Guard the traversal 'insn_conditions' with
15909 the check on GCC version.
15911 2006-02-07 Richard Guenther <rguenther@suse.de>
15915 2006-01-30 Richard Guenther <rguenther@suse.de>
15917 * gimplify.c (gimplify_target_expr): Handle easy cases
15918 without creating a temporary.
15920 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
15922 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
15923 use of float in probability computations. Use edge probabilities
15924 in place of statically computed probabilities.
15925 (min_spec_prob): New static variable.
15926 (schedule_insns): Initialize it.
15927 (GET_SRC_PROB): Removed.
15928 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
15930 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
15933 * config/ia64/unwind-ia64.c: Revert last change.
15934 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
15935 (INCOMING_FRAME_SP_OFFSET): Define.
15937 2006-02-06 Roger Sayle <roger@eyesopen.com>
15939 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
15941 2006-02-07 Ben Elliston <bje@au.ibm.com>
15943 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
15944 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
15945 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
15946 (ix86_return_in_memory): Handle TDmode.
15947 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
15948 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
15950 2006-02-06 Richard Sandiford <richard@codesourcery.com>
15952 * reorg.c (dbr_schedule): Use dump_file instead of file.
15954 2006-02-06 Steve Ellcey <sje@cup.hp.com>
15957 * config/ia64/predicates.md (extr_len_operand): New predicate.
15958 * config/ia64/ia64.md (extv): Tighten constraints.
15960 (*tbit_and_2): Ditto.
15961 (*tbit_and_3): Ditto.
15962 (*tbit_or_2): Ditto.
15963 (*tbit_or_3): Ditto.
15964 (*bit_zero): Ditto.
15967 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
15970 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
15972 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
15974 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
15975 loop_optimizer_init and loop_optimizer_finalize
15976 * tree-ssa-sink.c (execute_sink_code): Ditto.
15977 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15978 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
15979 tree_ssa_loop_done): Ditto.
15980 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
15981 * sched-ebb.c: Include output.h.
15982 (schedule_ebbs): Do not use dump argument.
15983 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
15984 * loop.c (loop_dump_stream): Removed.
15985 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
15987 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
15988 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
15989 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
15990 loop_iterations, strength_reduce, record_biv, record_giv,
15991 final_giv_value, check_final_value, check_ext_dependent_givs,
15992 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
15993 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
15994 dump_file instead of loop_dump_stream.
15995 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
15996 argument dump_file.
15997 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
15999 * flow.c (life_analysis, rest_of_handle_life): Ditto.
16000 * haifa-sched.c: Include output.h
16001 (schedule_insns, sched_init): Do not use dump argument.
16002 * mode-switching.c (optimize_mode_switching): Ditto.
16003 * modulo-sched.c (stats_file): Removed.
16004 (print_node_sched_params): Do not call argument dump_file.
16005 (sms_schedule_by_order, loop_canon_p, sms_schedule,
16006 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
16008 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
16010 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
16011 rtl_loop_init, rtl_loop_done): Ditto.
16012 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
16013 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
16015 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
16016 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
16017 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
16018 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
16019 * emit-rtl.c (renumber_insns): Ditto.
16020 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
16021 expand_gimple_basic_block, tree_expand_cfg): Ditto.
16022 * regclass.c (regclass): Ditto.
16023 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
16024 remove_ssa_form, rewrite_out_of_ssa): Ditto.
16025 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
16026 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
16028 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
16029 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
16031 * gcse.c (gcse_file, debug_stderr): Removed.
16032 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
16033 rest_of_handle_gcse): Do not use dump argument.
16034 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
16035 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
16036 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
16037 compute_code_hoist_vbeinout, compute_code_hoist_data,
16038 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
16039 compute_store_table, build_store_vectors, insert_insn_start_bb,
16040 insert_store, remove_reachable_equiv_notes, replace_store_insn,
16041 store_motion): Use dump_file instead of gcse_file.
16042 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
16043 * profile.c (profile_dump_file): Removed.
16044 (branch_prob): Use dump_file instead of profile_dump_file.
16045 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
16047 * tree-ssa-copy.c (dump_copy_of): Ditto.
16048 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
16049 dump file to life_analysis.
16050 * bt-load.c (branch_target_load_optimize): Ditto.
16051 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
16053 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
16054 regclass, dbr_schedule): Declaration changed.
16055 * sched-int.h (sched_init): Declaration changed.
16056 * tree-profile.c (tree_profile_dump_file): Removed.
16057 (tree_profile_hooks): Removed profile_dump_file hook.
16058 * rtl-profile (rtl_profile_dump_file): Removed.
16059 (rtl_profile_hooks): emoved profile_dump_file hook.
16060 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
16062 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
16063 * tree-cfg.c (build_tree_cfg): Ditto.
16064 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
16065 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
16066 Declaration changed.
16067 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
16068 life_analysis and schedule_insns.
16069 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
16071 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
16073 * config/mips/mips.c (mips_reorg): Ditto.
16074 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
16077 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
16079 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16080 (s390_mangle_fundamental_type): New.
16081 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16084 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16085 (alpha_mangle_fundamental_type): New.
16086 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16089 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16091 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16093 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16094 (sparc_mangle_fundamental_type): New.
16096 2006-02-06 Jakub Jelinek <jakub@redhat.com>
16098 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
16099 (s390x-*-linux*): Likewise.
16100 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
16101 * config/s390/t-linux: New file.
16103 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16105 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
16106 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
16108 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
16110 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
16111 (ANTIC_SAFE_LOADS): New macro.
16112 (find_or_generate_expression): Add prototype.
16113 (set_contains_value): Allow null set for sake of not always having
16114 to allocate ANTIC_SAFE_LOADS.
16115 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
16116 Allow COMPONENT_REF too.
16117 (valid_in_set): Allow COMPONENT_REF.
16118 Check ANTIC_SAFE_LOADS too.
16119 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
16120 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
16122 (can_PRE_operation): Add COMPONENT_REF.
16123 (create_component_ref_by_pieces): New function.
16124 (create_expression_by_pieces): Use create_component_ref_by_pieces.
16125 (insert_aux): Move AGGREGATE_TYPE_P check here.
16126 (compute_avail): Set bb local stmt uids.
16127 (pass_pre): Use TODO_update_ssa_only_virtuals.
16129 2006-02-06 Ben Elliston <bje@au.ibm.com>
16131 * configure.ac: Unconditionally disable decimal float by default.
16132 * configure: Regenerate.
16134 2006-02-06 Ben Elliston <bje@au.ibm.com>
16136 * read-rtl.c (read_name): Terminate reading on EOF.
16138 2006-02-06 Ben Elliston <bje@au.ibm.com>
16140 * dfp.c (decimal_real_arithmetic): Change second argument type
16141 from int to enum tree_code. Do not always return true, but now
16142 return result of any call to decimal_do helper functions.
16143 * dfp.h (decimal_real_arithmetic): Update prototype.
16145 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
16147 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
16149 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
16152 * tree-cfg.c (cleanup_dead_labels): Also don't remove
16155 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16157 * tree-vrp.c (cfg_loops): Removed.
16158 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
16159 Use current_loops instead of cfg_loops. Pass flags to
16160 loop_optimizer_init.
16161 * cfgloopmanip.c (fix_loop_structure): Update only available
16163 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
16164 loop_optimizer_init.
16165 * modulo-sched.c (build_loops_structure): Removed.
16166 (sms_schedule): Use loop_optimizer_init.
16167 * loop-init.c (loop_optimizer_init): Use flags to determine
16168 which properties of loops to prepare.
16169 (rtl_loop_init): Pass flags to loop_optimizer_init.
16170 * tree-ssa-sink.c (execute_sink_code): Ditto.
16171 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
16172 * tree-ssa-pre.c (init_pre): Ditto.
16173 * cfgloop.h (LOOPS_NORMAL): New.
16174 (loop_optimizer_init): Declaration changed.
16176 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16178 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
16179 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
16181 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
16183 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
16185 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
16186 * pa/t-pa64: Delete quadlib.c rule.
16187 * pa/x-ada: Revert last change.
16188 * pa/t-pa: Revert last change. Delete quadlib.c rule.
16190 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16192 PR rtl-optimization/26087
16193 * rtlanal.c (canonicalize_condition): Do not cross basic block
16196 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
16199 * config/ia64/ia64.c: Include debug.h.
16200 (MAX_ARTIFICIAL_LABEL_BYTES): New.
16201 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
16202 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
16203 (process_epilogue, process_set, process_for_unwind_directive):
16204 Output unwind info only if requested. Add CFA info if requested.
16205 Add new arguments as needed. Adjust callers.
16206 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
16208 (DWARF2_FRAME_INFO): Define to zero.
16209 * config/ia64/unwind-ia64.c: Remove code that compensated for
16210 the CFA offset error fixed above.
16211 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
16212 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
16213 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
16214 -funwind-tables and -fexceptions to enable frame info.
16215 (dwarf2out_frame_init): Define initial CFA even if
16216 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
16217 DWARF2_UNWIND_INFO is nonzero, not just defined.
16218 (dwarf2out_frame_finish): Output non-EH call frame info only
16219 if DWARF2_FRAME_INFO is nonzero.
16220 (convert_cfa_to_loc_list,
16221 compute_frame_pointer_to_cfa_displacement): Define even if
16222 unwind info is not supported.
16223 (gen_subprogram_die): Use the above unconditionally. Remove
16224 legacy alternate code.
16225 * toplev.c (compile_file): Compile in call to
16226 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
16227 (lang_dependent_init): Ditto for dwarf2out_frame_init.
16229 2006-02-04 David Edelsohn <edelsohn@gnu.org>
16230 Jakub Jelinek <jakub@redhat.com>
16232 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
16233 IBM extended float format long double as "g" on powerpc*-linux.
16235 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16238 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
16239 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
16241 2006-02-03 Jason Merrill <jason@redhat.com>
16244 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
16246 PR middle-end/25977
16247 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
16248 on the return slot if it's an NRV.
16250 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
16252 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
16253 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
16254 rewrite_use): Do not handle USE_OUTER.
16255 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
16256 add_iv_outer_candidates, may_replace_final_value,
16257 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
16258 (find_interesting_uses_op): Functionality of
16259 find_interesting_uses_outer_or_nonlin moved here.
16260 (find_interesting_uses_outside): Use find_interesting_uses_op.
16262 2006-02-03 Alan Modra <amodra@bigpond.net.au>
16265 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
16267 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
16268 Ulrich Weigand <uweigand@de.ibm.com>
16271 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
16272 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
16273 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
16274 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
16276 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
16277 (s390_rtx_costs): Use the new fields to calculate rtx costs.
16278 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
16279 Define secondary reloads for TFmode moves.
16280 (constant_modes): Add TFmode.
16281 (NR_C_MODES): Set to 8.
16282 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
16284 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
16285 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
16286 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
16287 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
16288 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
16289 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
16290 (FPR mode macro): Add TFmode.
16291 (DSF mode macro): New.
16292 (<de>, <dee> mode attributes): Removed.
16293 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
16294 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
16295 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
16296 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
16297 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
16298 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
16299 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
16300 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
16301 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
16302 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
16303 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
16304 "*negabs<mode>2", "sqrt<mode>2"):
16305 Changed <de> to <xde>. R constraint replaced by <Rf>.
16306 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
16308 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
16309 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
16310 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
16312 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
16313 "extenddftf2", "extendsftf2"): New expanders.
16314 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
16315 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
16316 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
16317 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
16319 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
16320 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
16321 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
16322 __floatditf): Add a GCC_4.1.0 symbol version tag.
16323 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
16326 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
16329 * config/i386/i386.c (ix86_function_ok_for_sibcall):
16330 Use targetm.binds_local_p instead of TREE_PUBLIC.
16332 2006-02-02 Roger Sayle <roger@eyesopen.com>
16334 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
16335 on INTEGER_TYPEs to indicate that it denotes a character type.
16336 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
16337 signed_char_type_node, unsigned_char_type_node and char_type_node.
16338 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
16339 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
16340 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
16342 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
16343 Daniel Berlin <dberlin@dberlin.org>
16345 * tree-tailcall.c (arg_needs_copy_p): New function.
16346 (eliminate_tail_call): Use arg_needs_copy_p.
16347 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
16348 (add_virtual_phis): New function.
16350 2006-02-02 Jakub Jelinek <jakub@redhat.com>
16352 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
16353 #ignore instead of #scratch for %g7 .register directive.
16355 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
16357 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
16360 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16362 * flow.c (calculate_global_regs_live): Assert that there aren't any
16365 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
16367 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
16368 what its name says.
16369 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
16370 bsi_after_labels iterator.
16371 * tree-if-conv.c (find_phi_replacement_condition,
16372 replace_phi_with_cond_modify_expr): Likewise.
16373 * tree-scalar-evolution.c (scev_const_prop): Likewise.
16374 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
16376 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16378 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
16380 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16383 * tree-cfg.c (move_block_to_fn): Clear out the basic block
16384 array after growing it.
16386 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16388 PR middle-end/24901
16389 * fold-const.c (fold_checksum_tree): Change type of buf.
16391 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
16393 * reload.c (push_secondary_reload): Initialize t_icode.
16395 2006-02-01 Jakub Jelinek <jakub@redhat.com>
16397 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
16398 -msoft-float -mlong-double-128 only issue a warning, but don't
16399 swich to DFmode long double.
16401 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
16403 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
16404 has a constant equivalent, iterate over equivalents for arg0,
16405 calling simplify_relational_operation and if there's a result
16406 cheaper than X, apply fold_rtx and return the result.
16408 2006-02-01 Jan Hubicka <jh@suse.cz>
16410 * opts.c (no_unit_at_a_time_default): New global variable.
16411 (decode_options): Use it.
16412 * opts.h (no_unit_at_a_time_default): Declare.
16414 2006-02-01 Paul Brook <paul@codesourcery.com>
16416 * function.c (assign_parm_setup_reg): Use function argument promotion
16418 * expr.c (expand_expr_real_1): Use function argument promotion rules
16421 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16423 * gcc.c (process_command): Change j to 'unsigned int'.
16425 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16427 PR middle-end/26001
16428 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
16429 Use the corrected index for the character
16430 out of the string constant.
16432 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16434 * mode-switching.c (optimize_mode_switching): Fix size
16435 allocated for bb_info[n_entities].
16437 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16439 * gcc.c (main): Correct type that is allocated for
16440 explicit_link_files.
16442 2006-01-31 Jakub Jelinek <jakub@redhat.com>
16444 * config/s390/s390.c (init_alignment_context): Set
16445 ALIAS_SET_MEMORY_BARRIER on the MEM.
16446 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
16448 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
16450 PR middle-end/25933
16451 * loop-unroll.c (unroll_loop_runtime_iterations): Free
16453 * tree-ssa-live.c (type_var_init): Allocate bitmap after
16456 2006-01-31 Marcin Dalecki <martin@dalecki.de>
16458 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
16459 * regrename.c: Ditto.
16460 * tree-ssa-loop-im.c: Ditto.
16461 * tree-dump.c: Ditto.
16462 * tree-complex.c: Ditto.
16463 * genrecog.c: Ditto.
16464 * tree-ssa-threadupdate.c: Ditto.
16466 * java/class.c: Ditto.
16467 * java/jcf-parse.c: Ditto.
16468 * java/resource.c: Ditto.
16469 * java/except.c: Ditto.
16470 * java/jvspec.c: Ditto.
16471 * java/jcf-write.c: Ditto.
16472 * java/jcf-path.c: Ditto.
16473 * java/gjavah.c: Ditto.
16474 * java/zextract.c: Ditto.
16475 * java/jcf-io.c: Ditto.
16476 * java/jcf.h: Ditto.
16477 * java/buffer.c: Ditto.
16478 * java/lang.c: Ditto.
16479 * java/parse-scan.y: Ditto.
16480 * java/lex.c: Ditto.
16481 * java/lex.h: Ditto.
16482 * cfgloopmanip.c: Ditto.
16483 * postreload-gcse.c: Ditto.
16484 * tree-ssa-loop-manip.c: Ditto.
16485 * postreload.c: Ditto.
16486 * tree-ssa-loop-ch.c: Ditto.
16489 * cppspec.c: Ditto.
16490 * diagnostic.c: Ditto.
16492 * genoutput.c: Ditto.
16494 * cfghooks.c: Ditto.
16495 * cfgloopanal.c: Ditto.
16496 * objc/objc-act.c: Ditto.
16498 * genextract.c: Ditto.
16499 * genautomata.c: Ditto.
16500 * pretty-print.c: Ditto.
16501 * genemit.c: Ditto.
16502 * cgraphunit.c: Ditto.
16504 * df-scan.c: Ditto.
16505 * haifa-sched.c: Ditto.
16506 * dominance.c: Ditto.
16508 * tree-ssa-loop-ivopts.c: Ditto.
16509 * df-core.c: Ditto.
16510 * mode-switching.c: Ditto.
16511 * modulo-sched.c: Ditto.
16513 * ipa-pure-const.c: Ditto.
16515 * fix-header.c: Ditto.
16517 * tree-stdarg.c: Ditto.
16518 * ipa-utils.c: Ditto.
16519 * loop-init.c: Ditto.
16520 * ipa-inline.c: Ditto.
16521 * cfganal.c: Ditto.
16523 * alloc-pool.c: Ditto.
16524 * dwarf2out.c: Ditto.
16526 * genattrtab.c: Ditto.
16527 * tree-ssa-loop-ivcanon.c: Ditto.
16528 * predict.c: Ditto.
16529 * timevar.c: Ditto.
16531 * fortran/gfortranspec.c: Ditto.
16532 * regmove.c: Ditto.
16533 * local-alloc.c: Ditto.
16534 * langhooks.c: Ditto.
16535 * function.c: Ditto.
16536 * tree-vectorizer.c: Ditto.
16538 * ipa-type-escape.c: Ditto.
16540 * tree-if-conv.c: Ditto.
16541 * profile.c: Ditto.
16543 * tree-data-ref.c: Ditto.
16544 * loop-unroll.c: Ditto.
16545 * treelang/treetree.c: Ditto.
16547 * bt-load.c: Ditto.
16548 * ggc-common.c: Ditto.
16550 * coverage.c: Ditto.
16552 * tree-cfgcleanup.c: Ditto.
16553 * tree-ssa-pre.c: Ditto.
16554 * cfgcleanup.c: Ditto.
16555 * loop-invariant.c: Ditto.
16556 * loop-iv.c: Ditto.
16557 * ipa-prop.c: Ditto.
16558 * print-tree.c: Ditto.
16559 * conflict.c: Ditto.
16560 * ggc-page.c: Ditto.
16561 * sched-deps.c: Ditto.
16562 * regclass.c: Ditto.
16563 * tree-object-size.c: Ditto.
16564 * combine.c: Ditto.
16565 * bb-reorder.c: Ditto.
16566 * resource.c: Ditto.
16567 * var-tracking.c: Ditto.
16568 * cfgloop.c: Ditto.
16569 * df-problems.c: Ditto.
16570 * reg-stack.c: Ditto.
16572 * gccspec.c: Ditto.
16573 * sched-rgn.c: Ditto.
16574 * tree-ssa-structalias.c: Ditto.
16575 * tree-ssa-reassoc.c: Ditto.
16576 * config/darwin-c.c: Ditto.
16577 * config/darwin.c: Ditto.
16578 * config/arm/arm.c: Ditto.
16580 * collect2.c: Ditto.
16581 * reload1.c: Ditto.
16583 2006-01-31 Nicolas Pitre <nico@cam.org>
16585 * arm.md (smaxsi3): Make aware of smax_m1.
16588 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
16590 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
16592 2006-01-31 Richard Guenther <rguenther@suse.de>
16594 * doc/invoke.texi (-msselibm): Document.
16595 * target.h (expand_library_builtin): New target hook.
16596 * builtins.c (expand_builtin): Use expand_library_builtin.
16597 (default_expand_library_builtin): New function.
16598 * gcc.c (LINK_GCC_MATH_SPEC): Define.
16599 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
16600 (link_gcc_math_spec): Declare.
16601 (static_specs): Add link_gcc_math_spec.
16602 * expr.h (default_expand_library_builtin): Declare.
16603 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16604 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
16605 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
16606 * config/i386/i386.opt (msselibm): New target option.
16607 * config/i386/i386.c (ix86_builtin_function_variants): New array.
16608 (ix86_init_sse_abi_builtins): New function.
16609 (ix86_expand_library_builtin): Likewise.
16610 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16611 (override_options): Handle error conditions wrt -msselibm.
16612 (ix86_builtins): Add function codes for SSE2 ABI builtins.
16613 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
16614 * doc/extend.texi (__builtin_sse2_*): Document new target specific
16617 2006-01-31 Richard Guenther <rguenther@suse.de>
16618 Paolo Bonzini <bonzini@gnu.org>
16620 * doc/install.texi (--disable-libgcc-math): Document.
16622 2006-01-30 Marcin Dalecki <martin@dalecki.de>
16624 * expr.h (expand_normal): new inline function.
16625 * builtins.c: use it, use EXPAND_NORMAL explicitely.
16626 * dojump.c: use it.
16627 * dwarf2out.c: use it.
16630 * expmed.c: use it.
16631 * except.c: use it.
16632 * config/sparc/sparc.c: use it.
16633 * config/i386/i386.c: use it.
16634 * config/rs6000/rs6000.c: use it.
16635 * config/arm/arm.c: use it.
16636 * config/mips/mips.c: use it.
16637 * stmt.c: use it, use EXPAND_NORMAL explicitely.
16639 2006-01-30 Roger Sayle <roger@eyesopen.com>
16641 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
16642 argv to the appropriate type.
16644 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
16646 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
16649 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
16652 * config/s390/s390.c (struct machine_function): New flag
16653 decomposed_literal_pool_addresses_ok_p.
16654 (s390_reorg): Set it before final stage of literal pool transforms.
16655 (s390_decompose_address): Only accept displacements of the form
16656 (minus (label_ref ...) (label_ref ...)) if that flag is set.
16658 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
16660 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
16661 the comparison routine return.
16663 2006-01-30 Michael Matz <matz@suse.de>
16665 * global.c (find_reg): Only evict for global regs.
16666 Take n_refs into account and dump more info.
16668 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
16671 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
16672 (pragma_trap, pragma_nosave_low_regs): Likewise.
16673 (current_function_anonymous_args): Likewise.
16674 (sh_deferred_function_attributes): New variable.
16675 (sh_deferred_function_attributes_tail): Likewise.
16676 (print_operand): For '@', look up trap_exit attribute.
16677 (calc_live_regs): Look up trapa_handler attribute. For trapa
16678 handlers, save/restore fpscr, but don't do any other
16679 interrupt-specific saves.
16680 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
16681 Fix check for partially saved registers to check for SHmedia.
16682 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
16683 (sh_output_function_epilogue): Don't clear any of the removed
16685 (sh_insert_attributes): Don't check pragma_interrupt.
16686 Insert deferred attributes. Check that interrupt attribute is
16687 present for other attributes that require its presence.
16688 (sh_attribute_table): Add new attributes trapa_handler and
16690 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
16691 Don't check for pragma_interrupt. Don't store argument.
16692 * sh.h (pragma_interrupt, sp_switch): Don't declare.
16693 (sh_deferred_function_attributes): Declare.
16694 (sh_deferred_function_attributes_tail): Likewise.
16695 * sh.md (sp_switch_1): Add operand. Change generator caller.
16696 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
16697 (*return_i): Don't use when trap_exit attribute is in effect.
16698 (*return_trapa): New insn pattern.
16699 * sh-c.c: New file.
16700 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
16701 setting c_target_objs and cxx_target_objs.
16702 * t-sh: Add rule for sh-c.o.
16704 2006-01-30 Richard Guenther <rguenther@suse.de>
16707 * gimplify.c (gimplify_target_expr): Handle easy cases
16708 without creating a temporary.
16710 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
16712 * vec.h (safe_grow): Remove duplicated line.
16714 2006-01-29 Diego Novillo <dnovillo@redhat.com>
16717 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
16718 (expand_omp): ... here.
16719 (expand_omp_parallel): Only remove barriers for combined
16720 parallel+workshare constructs.
16722 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
16726 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
16727 * tree.c (build_qualified_type): Chain the new type to the original
16728 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
16729 a POINTER_TYPE or a REFERENCE_TYPE respectively.
16730 (build_pointer_type_for_mode): Only return unqualified types.
16731 (build_reference_type_for_mode): Likewise.
16733 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
16735 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
16736 * Makefile.in (CXX_COMPAT_WARN): Define.
16737 * configure: Regenerate.
16739 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
16742 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
16745 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16747 * toplev.c: Fix thinko.
16749 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16750 Marcin Dalecki <martin@dalecki.de>
16752 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
16753 (push_srcloc): Use XNEW.
16754 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
16756 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
16758 * df-core.c (df_set_blocks): Deleted all variable.
16760 2006-01-28 Ian Lance Taylor <ian@airs.com>
16762 * cgraphunit.c (cgraph_assemble_pending_functions): Call
16763 cgraph_output_pending_asms.
16765 2006-01-28 Zack Weinberg <zackw@panix.com>
16767 * c.opt: Add -W(no-)overlength-strings.
16768 * doc/invoke.texi: Document it.
16769 * c-opts.c (c_common_handle_option): -pedantic implies
16770 -Woverlength-strings, if not explicitly disabled already.
16771 (c_common_post_options): -Woverlength-strings defaults to off, and
16772 is always off for C++.
16773 * c-common.c (fix_string_type): Issue warning about strings longer
16774 than is portable only if warn_overlength_strings. Rearrange code
16775 a little for clarity.
16776 * configure.in: Check for -Wno-overlength-strings as well before
16777 enabling -pedantic in stage 1.
16778 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
16779 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
16781 * genconditions.c (write_header, write_one_condition)
16782 (write_conditions, write_writer): Consolidate very long strings
16783 that were broken up to fit in C89 portable limit. Don't use
16784 printf when fputs will do.
16786 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
16788 * combine.c (simplify_comparison <AND>): Check
16789 TRULY_NOOP_TRUNCATION before start using a subreg.
16791 * config/mips/mips.md (*branch_zero<mode>,
16792 *branch_zero<mode>_inverted, *branch_equality<mode>,
16793 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
16794 Remove mode check from comparisons.
16796 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
16798 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
16800 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16802 * expmed.c (const_mult_add_overflow_p): Remove.
16803 * expr.h: Remove the prototype for const_mult_add_overflow_p.
16805 * recog.c (validate_replace_rtx_subexp): Remove.
16806 * recog.h: Remove the prototype for
16807 validate_replace_rtx_subexp.
16809 * integrate.h: Remove the prototype for
16810 copy_decl_for_inlining.
16811 * rtl.h: Remove the prototype for mark_constant_function.
16812 * tree-vectorizer.h: Remove the prototype for
16813 vect_strip_conversion.
16815 * modulo-sched.c (create_partial_schedule,
16816 free_partial_schedule, reset_partial_schedule): Make them
16819 * hooks.c (hook_bool_rtx_int_false): Remove.
16820 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
16822 2006-01-28 David Edelsohn <edelsohn@gnu.org>
16824 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16825 and -mlong-double-128 are incompatible.
16826 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
16827 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
16828 (TARGET_LIBGCC2_CFLAGS): Define.
16829 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
16830 (TARGET_LIBGCC2_CFLAGS): Same.
16831 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
16833 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16836 * c-typeck.c (build_binary_op): Perform implicit casts of
16837 operands before shortening them.
16839 * cfgloopmanip.c (split_loop_bb): Remove.
16840 * cfgloop.h: Remove the prototype for split_loop_bb.
16842 * cfgloop.c (flow_loop_outside_edge_p): Remove.
16843 * cfgloop.h: Remove the prototype for
16844 flow_loop_outside_edge_p.
16846 * emit-rtl.c (init_virtual_regs): Make it static.
16847 * function.h: Remove the prototype for init_virtual_regs.
16849 * recog.c (peephole2_optimize): Make it static.
16850 * recog.h: Remove the prototype for peephole2_optimize.
16852 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16854 * df-scan.c (df_record_entry_block_defs): Check if
16855 INCOMING_RETURN_ADDR_RTX is defined.
16857 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
16858 Kenneth Zadeck <zadeck@naturalbridge.com>
16860 PR rtl-optimization/24762
16861 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16862 * targhooks.c (hook_void_bitmap): New hook prototype.
16863 * targhoohs.h (hook_void_bitmap): Ditto.
16864 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
16865 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
16866 * target.h (live_on_entry): New function pointer.
16867 * df-scan.c (df_all_hard_regs): Removed.
16868 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
16869 (df_scan_free_internal): Added df->entry_block_defs.
16870 (df_scan_alloc): Ditto.
16871 (df_scan_dump): Ditto.
16872 (df_uses_record): Plumbed flag field properly thru calls.
16873 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
16874 This part fixes PR24762.
16875 (df_bb_refs_record): Added code to make the frame and arg
16876 pointers live in EH blocks.
16877 (df_refs_record): Added call to df_record_entry_block_defs.
16878 (df_record_entry_block_defs): New function.
16879 * df-core.c: Added comments to describe new artifical defs.
16880 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
16881 (entry_block_defs): New field in struct df.
16882 (df_all_hard_regs): Deleted.
16883 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16884 * df-problems.c (df_ru_bb_local_compute_process_def):
16885 Added code to handle artifical defs in the entry to a function.
16886 (df_ru_bb_local_compute): Ditto.
16887 (df_rd_bb_local_compute_process_def): Ditto.
16888 (df_rd_bb_local_compute): Ditto.
16889 (df_lr_bb_local_compute): Ditto.
16890 (df_ur_bb_local_compute): Ditto.
16891 (df_urec_bb_local_compute): Ditto.
16892 (df_chain_create_bb): Ditto.
16893 (df_ur_local_finalize): Removed entry.
16894 (df_urec_init): Ditto.
16895 (df_urec_local_finalize): Ditto.
16896 (df_ri_bb_compute): Added detection of last use of pseudos.
16897 * Makefile.in (df-scan.o): Updated dependencies.
16898 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
16899 * config/mips/mips.c (mips_set_live_on_entry): Added.
16900 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
16902 * dce.c (marked_insn_p): Added code to handle artifical defs.
16904 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16906 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
16908 (_mm_cvtsi128_si64): Likewise.
16909 (_mm_cvtsd_si64): Likewise.
16910 (_mm_cvttsd_si64): Likewise.
16911 (_mm_cvtsi64_sd): Likewise.
16912 (_mm_cvtsi64_si128): Likewise.
16913 * config/i386/mmintrin.h (_m_from_int64): Likewise.
16914 (_mm_cvtsi64_m64): Likewise.
16915 (_m_to_int64): Likewise.
16916 (_mm_cvtm64_si64): Likewise.
16917 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
16918 (_mm_cvttss_si64): Likewise.
16919 (_mm_cvtsi64_ss): Likewise.
16920 (_mm_cvtss_f32): Likewise.
16922 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
16924 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
16925 for pragma redefine_extname.
16927 2006-01-27 Jakub Jelinek <jakub@redhat.com>
16930 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
16931 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
16932 -mno-minimal-toc to previous content.
16933 (bispecs): Remove goal.
16934 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
16935 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
16936 compatibility aliases on powerpc-*-*gnu*.
16937 * config/rs6000/libgcc-ppc-glibc.ver: New file.
16938 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
16939 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
16940 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
16941 (ldblspecs): New goal.
16942 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
16943 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
16945 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
16946 L_sf_to_tf or L_df_to_tf is defined.
16948 2006-01-27 David Edelsohn <edelsohn@gnu.org>
16949 Alan Modra <amodra@bigpond.net.au>
16952 * config/rs6000/linux.h (POWERPC_LINUX): Define.
16953 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
16954 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
16955 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
16956 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
16957 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
16958 (rs6000_override_options): Initialize rs6000_ieeequad.
16959 Initialize TFmode format to ibm_extended_format if not
16961 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
16963 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
16964 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
16965 (function_arg_advance): IBM long double passed in two FPRs, not
16967 (function_arg): IBM long double passed in FPRs.
16968 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
16969 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
16970 Only multireg GPR aligned.
16971 (rs6000_init_libfuncs): Enable IBM long double functions if not
16973 (rs6000_generate_compare): Use IBM long double compare if not
16975 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
16976 (TARGET_IEEEQUAD): Define.
16977 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
16978 not TARGET_IEEEQUAD.
16979 * config/rs6000/rs6000.md: Enable TFmode patterns if
16981 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
16982 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16983 and -mlong-double-128 are incompatible.
16984 * doc/invoke.texi (-mabi): Collect options together. Add
16985 ibmlongdouble and ieeelongdouble.
16987 2006-01-27 Richard Sandiford <richard@codesourcery.com>
16989 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
16991 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
16992 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
16993 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
16994 * rtl.h (rtunion_def): Remove rt_ptr.
16996 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
16997 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
16998 * config/i386/winnt.c (i386_pe_mark_dllexport)
16999 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
17001 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
17003 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
17005 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17009 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
17010 pthread_key_delete. From John David Anglin. gthrw-ify
17011 pthread_getunique_np only if it it's not a macro. Delete
17013 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
17014 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
17015 __gthread_objc_condition_signal, __gthread_key_delete): Add
17016 "__attribute__ ((__unused__))" to unused arguments.
17017 (__gthread_recursive_mutex_init_function): Add missing return.
17018 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
17019 gthr-posix95.h: Use macro-based approach for name redirection
17020 on targets missing weakref.
17022 2006-01-26 Zack Weinberg <zackw@panix.com>
17024 * genconditions.c (write_header): In generated code, #ifdef out
17025 all includes and fake declarations, except includes of bconfig.h
17026 and system.h, unless GCC_VERSION >= 3001. Do not include
17027 gensupport.h in any case.
17028 (write_conditions): Generate a definition of struct c_test. Add
17029 a comment to the generated #endif.
17030 (write_one_condition): Escape backslashes in string too.
17031 (write_writer): Generated code must escape backslashes and quote
17032 marks (but not newlines) in the strings it writes.
17033 * Makefile.in (build/gencondmd.o): Update dependencies.
17035 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17038 * Makefile.in (insn-automata.o): Add header file dependencies.
17039 * genautomata.c: Add includes.
17041 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17044 * Makefile.in (insn-automata.o): Add -Wno-error flag.
17046 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17048 * configure.ac: Expect target tools paths to be passed from the toplevel
17049 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
17051 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
17053 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17056 * c.opt (Wpointer-sign): Init to -1.
17057 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
17058 OPT_pedantic, to 0 otherwise.
17059 * doc/invoke.texi: Update.
17061 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17063 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
17064 constants provided by 80387 instructions in the destination mode.
17066 2006-01-26 Richard Guenther <rguenther@suse.de>
17067 Andrew Pinski <pinskia@physics.uc.edu>
17070 partial PR tree-opt/17064
17071 * tree-ssa-structalias.c (intra_create_variable_infos):
17072 Create heap variables for incoming parameters if
17073 flag_argument_noalias > 1.
17074 (find_what_p_points_to): Look through default defs of
17077 2006-01-26 Jeff Law <law@redhat.com>
17080 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
17081 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
17082 within the VR_RANGE, use the VR_RANGE as the result, not the
17084 (adjust_range_with_scev): Reject ranges from SCEV which are out of
17085 bounds for the type.
17087 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
17089 * tree-ssa-alias.c (maybe_create_global_var): Change
17090 subvar walking to an assertion that we don't have subvar'd variables.
17092 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
17095 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
17096 Use a new variable, inner. PARM_DECLs are always non-weak.
17098 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
17100 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
17101 --disable-checking.
17103 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
17105 * config/mips/mips.md (*clear_upper32): New combiner pattern.
17107 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
17109 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
17110 (smax_insn, smin_insn, smax_0, smin_0): New.
17112 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
17115 * config/cris/cris.c (cris_order_for_addsi3): New function.
17116 * config/cris/cris-protos.h: Prototype it.
17117 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
17118 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
17119 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
17120 (split for "op.S1 [rx=rx+i],ry (swapped)")
17121 (split for "op(s|u).S1 [rx=rx+i],ry")
17122 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
17123 Apply cris_order_for_addsi3 when generating addsi3 insns.
17125 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17127 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
17128 (TREE_BLOCK): Add call to EXPR_CHECK.
17130 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17133 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
17134 * tree-pretty-print.c (dump_omp_clause): Extract from ...
17135 (dump_omp_clauses): ... here.
17136 (dump_generic_node): Handle OMP_CLAUSE.
17137 * tree.c (omp_clause_num_ops): New.
17138 (omp_clause_code_name): New.
17139 (tree_code_size): Handle OMP_CLAUSE.
17140 (tree_size): Likewise.
17141 (make_node): Document handling of OMP_CLAUSE.
17142 (tree_node_structure): Handle OMP_CLAUSE.
17143 (omp_clause_check_failed): New.
17144 (omp_clause_range_check_failed): New.
17145 (omp_clause_operand_check_failed): New.
17146 (build_omp_clause): New.
17147 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
17148 * tree.h (enum omp_clause_code): Declare.
17149 (OMP_CLAUSE_SUBCODE_CHECK): Define.
17150 (OMP_CLAUSE_RANGE_CHECK): Define.
17151 (OMP_CLAUSE_ELT_CHECK): Define.
17152 (omp_clause_check_failed): Declare.
17153 (omp_clause_operand_check_failed): Declare.
17154 (omp_clause_range_check_failed): Declare.
17155 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
17156 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
17157 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
17158 (OMP_CLAUSE_LASTPRIVATE): Likewise.
17159 (OMP_CLAUSE_IF_EXPR): Likewise.
17160 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
17161 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
17162 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
17163 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
17164 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
17165 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
17166 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
17167 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
17168 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
17169 (OMP_CLAUSE_CODE): Define.
17170 (OMP_CLAUSE_SET_CODE): Define.
17171 (OMP_CLAUSE_CODE): Define.
17172 (OMP_CLAUSE_OPERAND): Define.
17173 (struct tree_omp_clause): Declare.
17174 (union tree_node): Add field 'omp_clause'.
17175 * treestruct.def (TS_OMP_CLAUSE): Define.
17176 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
17177 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
17178 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
17179 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
17180 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
17181 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
17182 (OMP_CLAUSE): Define.
17183 * print-tree.c (print_node): Handle OMP_CLAUSE.
17184 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
17185 * c-typeck.c: Likewise.
17186 * gimplify.c: Likewise.
17187 * c-omp.c: Likewise.
17188 * tree-nested.c: Likewise.
17189 * tree-inline.c: Likewise.
17190 * c-parser.c: Likewise.
17191 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
17194 2006-01-25 Roger Sayle <roger@eyesopen.com>
17196 PR rtl-optimization/25703
17197 * combine.c (try_combine): Handle zero_extract and strict_low_part
17198 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
17200 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
17202 * global.c: Fix comment typos.
17204 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
17207 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
17208 Use output_addr_const instead of assemble_name.
17210 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
17212 * Makefile.in (sched-vis.o): Update dependencies.
17213 * haifa-sched.c (sched_finish): Clear current_sched_info.
17214 * cfg.c (dump_bb_info): New, split from dump_flow_info.
17215 (dump_flow_info): Call it.
17216 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
17218 * basic-block.h (dump_bb_info): Declare.
17219 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
17220 option, and apply options only for dump files whose TDF_RTL,
17221 TDF_TREE, or TDF_IPA bits match.
17222 * rtl.h: Declare new functions exported from sched-vis.c.
17223 * sched-vis.c: Enable also if scheduling is not used.
17224 (print_value): Print the mode of registers if not inside scheduling.
17225 (print_insn): Make it work outside the scheduler. Beautify the output
17227 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
17229 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17231 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
17232 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
17233 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
17234 depending on the value of CONSTANT_POOL_ADDRESS_P.
17235 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
17237 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
17238 rather than SYMBOL_REF_DECL.
17239 (rtx_constant_pool): Remove const_rtx_sym_htab.
17240 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
17241 (init_varasm_status): Don't initialize const_rtx_sym_htab.
17242 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
17243 Remove handling of const_rtx_sym_htab.
17244 (find_pool_constant): Delete.
17245 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
17246 rather than find_pool_constant.
17247 (get_pool_constant_for_function): Delete.
17248 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
17249 find_pool_constant.
17250 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
17251 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
17252 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
17253 (SYMBOL_REF_CONSTANT): New macro.
17254 (get_pool_constant_for_function): Delete.
17255 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
17256 rather than SYMBOL_REF_DECL.
17257 (i386_pe_mark_dllimport): Likewise.
17258 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
17259 rather than SYMBOL_REF_DECL.
17260 * config/darwin.c (machopic_indirect_data_reference): Likewise.
17261 (machopic_indirect_call_target): Likewise.
17263 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
17265 * flow.c (delete_noop_moves): Add missing EOL to dump message.
17267 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17269 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
17271 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
17273 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
17275 2006-01-24 David Daney <ddaney@avtrex.com>
17278 * configure.ac (enable_tls): New enable option.
17279 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
17280 * configure: Regenerate.
17281 * doc/install.texi (--enable-tls): Document new option.
17282 (--disable-tls): Ditto.
17284 2006-01-24 Richard Henderson <rth@redehat.com>
17286 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
17287 * alias.c (true_dependence): Respect it.
17288 (canon_true_dependence, write_dependence_p): Likewise.
17289 * builtins.c (get_builtin_sync_mem): Set it.
17291 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
17293 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
17296 2006-01-24 DJ Delorie <dj@redhat.com>
17298 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
17299 for storing constants in single-bit bitfields.
17301 2006-01-25 Ben Elliston <bje@au.ibm.com>
17303 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
17305 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
17308 * tree-ssa-pre.c (phi_translate): Return NULL
17309 for AGGREGATE_TYPE's.
17311 2006-01-24 Zack Weinberg <zackw@panix.com>
17313 * genautomata.c (process_state_for_insn_equiv_partition):
17314 Use xcalloc for insn_arcs_array.
17315 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
17316 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
17318 2006-01-24 Richard Henderson <rth@redhat.com>
17320 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
17321 update all callers.
17323 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
17325 PR rtl-optimization/25890
17326 PR rtl-optimization/25905
17327 * combine.c (expand_compound_operation, expand_field_assignment):
17328 Fail if the bitfield's final position is out of bounds.
17330 2006-01-24 Ian Lance Taylor <ian@airs.com>
17332 PR middle-end/25930
17333 * cgraphunit.c (cgraph_output_in_order): Don't clear
17334 cgraph_asm_nodes until after asm strings have been output.
17336 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
17338 * fix-header.c (read_scan_file): Add new parameter imultilib when
17339 calling register_include_chains.
17341 2006-01-23 Diego Novillo <dnovillo@redhat.com>
17343 * omp-low.c: Update documentation.
17345 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17346 Daniel Berlin <dberlin@dberlin.org>
17350 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
17351 return from the function.
17353 2006-01-22 Zack Weinberg <zackw@panix.com>
17355 * rtl.def (match_code): Add second argument.
17356 * genpreds.c (write_extract_subexp): New function.
17357 (write_match_code): Add path argument. Use write_extract_subexp.
17358 (write_predicate_expr): Pass path to write_match_code.
17359 (mark_mode_tests): MATCH_CODE applied to a subexpression does
17360 not perform a mode test.
17361 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
17362 a subexpression does not constrain the top-level code set.
17363 * read-rtl.c (read_rtx_variadic): New function.
17364 (read_rtx_1): Use it; allow AND and IOR to be variadic.
17365 * doc/md.texi: Document new notation.
17366 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
17367 (cmpsi_operand): ... here, using new notation.
17369 2006-01-22 Zack Weinberg <zackw@panix.com>
17371 * varray.c: Remove GENERATOR_FILE #ifdefs.
17373 2006-01-22 Zack Weinberg <zackw@panix.com>
17375 * genautomata.c (output_reserved_units_table): Emit nothing if
17376 description->query_units_num is zero. Remove extra blank line.
17377 (output_cpu_unit_reservation_p): Short circuit
17378 if description->query_units_num is zero.
17380 2006-01-22 Zack Weinberg <zackw@panix.com>
17382 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
17383 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
17384 nor any of the random handful of variables that used to be necessary
17385 when this program was linked with rtlanal.o. Prune set of forward
17386 function declarations.
17387 (struct attr_desc): Remove static_p field.
17388 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
17389 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
17390 (attr_string): Do not read the character one past the length of
17392 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
17393 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
17394 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
17395 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
17396 (make_automaton_attrs): New.
17397 (main): Do not call into genautomata. Call local gen_bypass
17398 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
17399 Remove special case for insn_alts.
17400 * genautomata.c: Include gensupport.h; not genattrtab.h nor
17401 varray.h (leftover from previous change). Prune set of forward
17402 function declarations. Remove state_alts fields from all
17403 structures. Remove state_alts_table from struct automaton.
17404 Make everything except main static. Do not maintain num_dfa_decls.
17405 Do not maintain state_alts fields of various structures.
17406 (process_decls): Don't validate condexp for dm_insn_reserv decls.
17407 (add_arc): Remove state_alts argument. All callers updated.
17408 (output_reserved_units_table): Emit #ifdef here...
17409 (output_tables): ...not here. Don't generate state_alts tables.
17410 (expand_automata): Don't generate attributes.
17411 (write_automata): Don't generate state_alts functions.
17412 (main): New function.
17413 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
17414 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
17415 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
17416 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
17417 (BYPASS_P_FUNC_NAME, output_state_alts_table)
17418 (output_automata_list_state_alts_code, output_internal_state_alts_func)
17419 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
17420 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
17422 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
17423 * genattrtab.h: Delete file.
17424 * Makefile.in (OBJS-common): Add insn-automata.o.
17425 (insn-automata.o): New rule.
17426 (simple_generated_c): Add insn-automata.c.
17427 (build/genattrtab.o, build/genautomata.o): Update dependencies.
17428 (genprogmd): Add automata.
17429 (build/genattrtab): Needs no extra objects nor libraries.
17430 (build/genautomata): Needs build/vec.o and -lm.
17432 2006-01-22 Zack Weinberg <zackw@panix.com>
17434 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
17435 (output_dfa_max_issue_rate, locked_states_num): Delete.
17436 (struct automaton): Add locked_states field.
17437 (output_dead_lock_vect): Save number of locked states in
17438 automaton->locked_states. If it is zero, don't print anything.
17439 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
17440 (output_internal_dead_lock_func): Only test the dead_lock_vect
17441 for automata that have locked states.
17442 (output_statistics): Always print the number of locked states for
17443 each automaton. Calculate total number of locked states here.
17444 (write_automata): Don't call output_dfa_max_issue_rate.
17445 * genattrtab.c: Define length_unit_log as a const variable.
17446 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
17447 max_insn_queue_index const.
17448 * final.c (length_unit_log): Declare const.
17449 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
17451 2006-01-22 Zack Weinberg <zackw@panix.com>
17453 * genautomata.c: Include vec.h, not varray.h.
17454 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
17455 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
17456 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
17457 VEC_* macros operating on appropriately typed vectors, or to
17458 malloced arrays when the size is known in advance. Const-ify
17459 many char* variables and function arguments. No functional changes.
17460 * Makefile.in (build/varray.o): Delete rule.
17461 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
17462 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
17464 2006-01-22 Zack Weinberg <zackw@panix.com>
17466 * gensupport.c: Define get_insn_name and record_insn_name here.
17467 (read_md_rtx): Call record_insn_name as appropriate.
17468 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
17469 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
17470 * genpreds.c, genrecog.c: Don't define get_insn_name nor
17472 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
17473 (BUILD_VARRAY): Delete.
17474 (genprognormal): Rename genprogmd. Fold in all programs from
17475 genprognoprint; also attrtab.
17476 (build/genattrtab): Just mention genautomata.o and varray.o.
17477 Reorganize a bit, add comments to make the categories clearer.
17479 2006-01-22 Zack Weinberg <zackw@panix.com>
17481 * genconditions.c (condition_table, add_condition): Delete.
17482 (write_conditions): Don't emit n_insn_conditions nor
17483 insn_elision_unavailable. Issue the gcc version #ifdef here,
17484 inside the table, with no #else clause ...
17485 (write_header): ...not here.
17486 (write_writer): New function.
17487 (main): Don't initialize condition_table. Use add_c_test.
17489 * gensupport.c (init_md_reader_args_cb): Handle multiple input
17490 files on the command line.
17491 (maybe_eval_c_test): Don't check insn_elision_unavailable.
17492 Return -1 if there is no entry in the table, don't abort.
17493 (add_c_test, traverse_c_tests): New functions.
17494 * gensupport.h (insn_elision_unavailable, insn_conditions)
17495 (n_insn_conditions): Delete declarations.
17496 (add_c_test, traverse_c_tests): Declare.
17497 * read-rtl.c: Include gensupport.h.
17498 (read_conditions): New function.
17499 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
17500 (read_rtx_1): If we get EOF when we were looking for an initial
17501 open paren, return 0. Call read_conditions when appropriate.
17502 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
17503 dummy-conditions.o. Eliminate references to insn-conditions.o,
17504 or change them to build/gencondmd.o, as appropriate. Remove
17505 insn-constants.h from $(simple_generated_h) and insn-conditions.c
17506 from $(simple_generated_c). For all files remaining in those
17507 two lists, add insn-conditions.md to the generator command line.
17508 Give insn-constants.h/s-constants their own rules. Add rules
17509 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
17510 (build/read-rtl.o): Depend on gensupport.h.
17511 (genprognormal): Include preds.
17512 (genprogearly): Rename genprognoprint; only difference is now that
17513 they don't link with $(BUILD_PRINT).
17514 * dummy-conditions.c: Delete.
17516 2006-01-22 Zack Weinberg <zackw@panix.com>
17518 * genextract.c: Don't include insn-config.h. Do include vec.h.
17519 Declare vectors of int, char, and locstr.
17520 (locstr): New typedef.
17521 (struct extraction): Make all array fields into bare pointers.
17522 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
17523 (insn_code_number): Delete.
17524 (accum_extract): New struct.
17525 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
17526 (gen_insn): Take insn_code_number as an argument. Use an
17527 accum_extract structure instead of loading data directly into
17528 a struct extraction, and having to know how big it might get.
17529 (walk_rtx): Operate entirely on an accum_extract structure.
17530 (print_path): Avoid unnecessary use of printf.
17531 (print_header): New function, split out of main. Distinguish
17532 more carefully between an unrecognizable insn and an insn that
17533 has the code number of a define_expand.
17534 (main): Pass insn_code_number to gen_insn. Call print_header
17535 only after parsing. Avoid unnecessary use of printf.
17536 * Makefile.in (build/vec.o): New rule.
17537 (build/genextract): Depend on build/vec.o.
17538 (build/genextract.o): Don't depend on insn-config.h.
17540 2006-01-22 Zack Weinberg <zackw@panix.com>
17542 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
17543 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
17544 practical. Eliminate per-generator-program link rules.
17546 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17548 PR middle-end/24437
17549 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17550 with a call expr to ...
17551 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17553 2006-01-23 Richard Guenther <rguenther@suse.de>
17555 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
17556 before make_edge with conditional EDGE_TRUE_VALUE.
17558 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
17559 Jan Hubicka <jh@suse.cz>
17560 Richard Guenther <rguenther@suse.de>
17562 PR rtl-optimization/25654
17563 * cfgexpand.c (aggregate_contains_union_type): New function.
17564 (add_alias_set_conflicts): Call it. Make sure to add conflicts
17565 for structure variables that contain a union type.
17567 2006-01-23 Richard Sandiford <richard@codesourcery.com>
17569 * gengtype.c (new_structure): Return the structure.
17570 (create_option): Add an extra "next" argument.
17571 (create_field): New function.
17572 (adjust_field_rtx_def): Use create_option and create_field.
17573 Remove a now-unnecessary call to find_structure.
17574 (adjust_field_tree_def): Likewise.
17575 (note_yacc_type): Remove an unnecessary call to find_structure.
17576 * gengtype.h (new_structure): Return the structure.
17577 (create_option): Add an extra argument.
17578 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
17579 (option): Adjust calls to create_option.
17581 2006-01-22 David Edelsohn <edelsohn@gnu.org>
17583 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
17585 2006-01-22 Paul Brook <paul@codesourcery.com>
17586 Peter Barada <peter@the-baradas.com>
17588 * config/m68k/m68k.md: Add Coldfire FPU support.
17589 Define FP mode macro and associated attributes.
17590 Use it for float mode patterns.
17591 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
17592 (LIBCALL_VALUE): Use m68k_libcall_value.
17593 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
17594 (m68k_function_value): Ditto.
17595 (emit_move_sequence): Ditto.
17596 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
17597 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
17598 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
17599 (MULTILIB_EXCEPTIONS): Ditto.
17600 * config/m68k/m68k.opt: Add mcfv4e.
17601 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
17602 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
17603 (m68k_output_function_prologue): Save ColdFire FPU registers.
17604 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
17605 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
17606 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
17607 ColdFire FPU registers.
17608 (m68k_libcall_value, m68k_function_value): New functions.
17609 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
17610 (LIBCALL_VALUE): Use m68k_libcall_value.
17611 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
17612 (MASK_COLDFIRE): Add MASK_CFV4E.
17613 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
17614 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
17615 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
17616 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
17617 (GO_IF_LEGITIMATE_ADDRESS): Use it.
17618 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
17619 * doc/invoke.tex: Document -mcfv4e on m68k.
17621 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
17623 * doc/contribute.texi: Change CVS to SVN and update the corresponding
17626 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
17629 * c-opts.c (c_common_handle_option): Don't include
17630 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
17631 * doc/invoke.texi (C++ Dialect Options): Document that
17632 -Wnon-virtual-dtor is no longer included in -Wall.
17634 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
17636 * gcov.c (print_version), gcov-dump.c (print_version),
17637 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
17640 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
17642 * df-scan.c (problem_SCAN): Added NULL reset function.
17643 (df_scan_reset_blocks): Added code to call reset block function
17644 (df_bb_refs_delete) Fixed comment.
17645 (df_insn_refs_delete): Made tolerant of deleting non existent info
17646 for dataflow problems that need to be reset.
17647 * df-core.c (df_set_blocks): Ditto.
17648 * df.h (struct df_problem): Added reset_fun.
17649 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
17650 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
17651 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
17652 functions to clear out all references to def-use or use-def chains.
17654 2006-01-21 Ben Elliston <bje@au.ibm.com>
17656 * varasm.c (assemble_real): Initialise data array.
17658 2006-01-20 Paul Brook <paul@codesourcery.com>
17660 Merge from csl-arm-branch.
17661 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
17662 * config/arm/arm.md (movdi): Force operands[1] to a register
17663 if we have a non-register source.
17664 (*arm_movdi, *movdf_soft_insn): Require that one of the
17665 operands be a register.
17666 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
17667 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
17669 2006-01-20 DJ Delorie <dj@redhat.com>
17671 * varasm.c (initializer_constant_valid_p): Allow pointers
17672 initialized from integer constants of lesser precision.
17673 (output_constant): Allow non-int-sized pointer modes to be
17674 initialized from integer constants.
17676 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
17679 * cppdefault.h (struct default_include): Add multilib flag.
17680 * cppdefault.c (cpp_include_defaults): Set it.
17681 * c.opt (-imultilib): New option.
17682 * c-opts.c (imultilib): New.
17683 (c_common_handle_option): Handle -imultilib.
17684 (c_common_post_options): Likewise.
17685 * c-incpath.c (add_standard_paths, register_include_chains):
17687 * c-incpath.h (register_include_chains): Add extra parameter.
17688 * gcc.c (do_spec_1): Generate -imultilib option.
17689 (The Specs Language): Update %I description.
17690 (process_command): Update copyright notice.
17691 * doc/cppopts.texi (-imultilib): Document.
17692 * doc/invoke.texi (-imultilib): Include in option summary.
17693 (%I): Update specs documentation.
17695 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17697 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
17699 2006-01-20 Richard Sandiford <richard@codesourcery.com>
17701 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
17704 2006-01-20 Richard Guenther <rguenther@suse.de>
17705 Steven Bosscher <stevenb.gcc@gmail.com>
17707 PR rtl-optimization/24626
17708 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
17709 EDGE_TRUE_VALUE if in RTL mode.
17712 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
17713 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
17715 2006-01-20 Dirk Mueller <dmueller@suse.com>
17718 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
17719 instead of a special NOP marker.
17720 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
17721 NOP marker handling.
17722 * c-common.h (empty_body_warning): Add forward declaration.
17723 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
17724 Now uses IS_EMPTY_STMT() instead of special NOP markers.
17726 2006-01-20 Paul Brook <paul@codesourcery.com>
17728 * Makefile.in (lang_checks): Keep going if mkdir fails.
17730 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17732 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
17733 be able to clean out basic block when not necessary.
17734 (df_scan_free): Fixed to properly delete information if df is
17735 unused before calling df_finish.
17736 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
17737 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
17739 (df_bb_refs_delete): New function.
17740 (df_refs_delete): Moved per block code to df_bb_refs_delete.
17741 * df-core.c (df_set_blocks): Added code to properly clean out
17742 unused blocks if they are not part of the blocks to consider.
17743 Added additional null check.
17744 (df_compact_blocks): Added basic block parameter to free_bb_fun to
17745 be able to clean out basic block when not necessary
17746 * df.h (df_free_bb_function): Ditto.
17747 (df_bb_refs_delete): New function.
17748 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
17749 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
17750 basic block parameter to be able to clean out basic block when not
17752 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
17753 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
17754 Fixed to properly delete information if df is unused before
17757 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17759 PR rtl-optimization/25799
17760 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
17761 Corrected confluence operator to remove bits from op2 before oring
17762 with op1 rather than removing bits from op1.
17763 (df_ru_transfer_function): Corrected test on wrong bitmap which
17764 caused infinite loop. Both of these problems were introduced in
17765 the dataflow rewrite.
17767 2006-01-19 DJ Delorie <dj@redhat.com>
17769 * reload1.c (find_reload_regs): Note the details of reload
17770 failures in the dump file.
17771 (spill_failure): Likewise.
17773 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17775 * loop-iv.c: Include df.h and hashtab.h.
17776 (enum iv_grd_result): New enum.
17777 (DF_REF_IV, DF_REF_IV_SET): New macros.
17778 (struct biv_entry): New.
17779 (df, bivs): New global variables.
17780 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
17781 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
17783 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
17784 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
17785 analyzed_for_bivness_p, record_biv): New functions.
17786 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
17787 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
17788 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
17790 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
17792 (iv_number_of_iterations): Use new interface to iv analysis.
17793 * loop-unroll.c: Do not include varray.h.
17794 (analyze_iv_to_split_insn): Use new interface to iv
17796 * loop-unswitch.c (may_unswitch_on): Ditto.
17797 * df.c (df_bitmaps_free): Only work for bbs for that structures are
17799 (df_bb_modify): Realloc tables to the new index.
17800 (df_find_use): New function.
17801 * df.h (df_find_use): Declare.
17802 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
17804 * cfgloop.h (struct rtx_iv): Remove analysed field.
17805 (iv_get_reaching_def): Removed.
17806 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
17807 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
17808 (loop-iv.o): Add df.h and hashtab.h dependency.
17809 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
17811 2006-01-20 Alan Modra <amodra@bigpond.net.au>
17814 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
17816 (__floatundisf, __floatundidf): Likewise.
17817 * libgcc2.h (IS_IBM_EXTENDED): Define.
17819 2006-01-19 DJ Delorie <dj@redhat.com>
17821 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
17823 2006-01-19 Paul Brook <paul@codesourcery.com>
17825 * config/arm/arm.c (arm_compute_func_type): Treat all functions
17826 as nothrow when unwinding tables are disabled.
17828 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17831 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
17832 of bit-field" when in system header.
17834 2006-01-19 DJ Delorie <dj@redhat.com>
17836 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
17837 the 16 bit shift limit of the m16c.
17839 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
17842 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
17843 * config/i386/i386.c (output_set_got): Output the label if we have one
17844 for the TARGET_DEEP_BRANCH_PREDICTION case.
17846 2006-01-19 Jan Hubicka <jh@suse.cz>
17847 H.J. Lu <hongjiu.lu@intel.com>
17848 Evandro Menezes <evandro.menezes@amd.com>
17850 * invoke.texi (generic): Document
17852 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
17853 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
17854 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
17855 (x86_use_incdec, x86_pad_returns): New variables
17856 (TARGET_CPU_DEFAULT_generic): New constant
17857 (TARGET_CPU_DEFAULT_NAMES): Add generic.
17858 (enum processor_type): Add generic32 and generic64.
17859 * i386.md (cpu attribute): Add generic32/generic64
17860 (movhi splitter): Behave sanely when both partial_reg_dependency and
17861 partial_reg_stall are set.
17862 (K8 splitters): Enable for generic as well.
17863 * predicates.md (incdec_operand): Use TARGET_INCDEC
17864 (aligned_operand): Avoid memory mismatch stalls.
17865 * athlon.md: Enable for generic64, new patterns for 128bit moves.
17866 * ppro.md: Enable for generic32
17867 * i386.c (generic64_cost, generic32_cost): New.
17868 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
17869 (x86_use_leave): Enable for generic64. (x86_use_sahf,
17870 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
17871 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
17872 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
17873 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
17874 x86_partial_reg_dependency, x86_memory_mismatch_stall,
17875 x86_accumulate_outgoing_args, x86_prologue_using_move,
17876 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
17877 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
17878 Enable for generic.
17879 (x86_use_incdec, x86_pad_returns): New.
17880 (override_options): Add generic32 and generic64, translate "generic"
17881 to generic32/generic64 and "i686" to "generic32", refuse
17882 "generic32"/"generic64" as arch target.
17883 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
17884 (ix86_reorg): Honor PAD_RETURNS.
17886 2006-01-19 Diego Novillo <dnovillo@redhat.com>
17888 * tree-pretty-print.c (dump_generic_node): Handle
17889 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
17890 * cgraph.c (cgraph_expand_queue): Rename from
17891 cgraph_analyze_queue. Update all users.
17892 * cgraphunit.c (cgraph_assemble_pending_functions): Process
17893 cgraph_expand_queue.
17894 (cgraph_expand_all_functions): Likewise.
17895 (cgraph_finalize_pending_functions): Remove. Update callers.
17897 * tree.h (OMP_DIRECTIVE_P): Define.
17898 (OMP_PARALLEL_FN): Define.
17899 (OMP_PARALLEL_DATA_ARG): Define.
17900 (OMP_SECTIONS_SECTIONS): Define.
17901 * tree-pass.h (pass_expand_omp): Declare.
17902 * omp-low.c (struct omp_region): Declare.
17903 (struct omp_context): Remove fields 'parallel_type',
17904 'parallel_start_ix' and 'parallel_start_additional_args'.
17906 (struct omp_for_data): Rename from struct expand_omp_for_data.
17907 (omp_regions): New static variable.
17908 (root_omp_region): New static variable.
17909 (find_omp_clause): Make static.
17910 (is_in_combined_parallel_ctx): Remove.
17911 (is_combined_parallel): New.
17912 (extract_omp_for_data): Move earlier in the file.
17913 (workshare_safe_to_combine_p): New.
17914 (get_ws_args_for): New.
17915 (determine_parallel_type): Move earlier in the file.
17916 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
17918 (omp_copy_decl): Likewise.
17919 (create_omp_child_function): Likewise.
17920 (lookup_omp_region): New.
17921 (dump_omp_region): New.
17922 (debug_omp_region): New.
17923 (debug_all_omp_regions): New.
17924 (new_omp_region): New.
17925 (scan_omp_parallel): If parallel_nesting_level > 1, the
17926 directive is nested within another parallel directive.
17927 Set OMP_PARALLEL_FN.
17928 (scan_omp_for): Do not try to handle combined parallel+for
17930 Remove FIXME comment.
17931 (scan_omp_nested): Remove.
17932 (scan_omp_1): Do not call scan_omp_nested when
17933 parallel_nesting_level is > 1.
17934 Do not change the DECL_CONTEXT of local variables found.
17935 (lookup_decl_in_outer_ctx): New.
17936 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
17937 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
17938 (lower_reduction_clauses): Rename from expand_reduction_clauses.
17939 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
17940 If CTX is nested, lookup VAR in the outer context when
17941 building copy assignment.
17942 (lower_send_clauses): Rename from expand_send_clauses.
17943 If CTX is nested, lookup VAR in the outer context when
17944 building copy assignments.
17945 (lower_send_shared_vars): Rename from expand_send_shared_vars.
17946 If CTX is nested, lookup VAR in the outer context when
17947 building copy assignments.
17948 (expand_parallel_call): Rename from build_parallel_call.
17949 Handle combined parallel+workshare cases.
17950 Re-implement to emit code into the CFG.
17952 (expand_omp_parallel): Re-implement to emit code into the CFG.
17953 Call move_sese_region_to_fn to outline the sub-graph
17954 containing the parallel region.
17955 (expand_omp_for_1): Remove.
17956 (expand_omp_for_generic): Re-implement to emit code into the
17958 (expand_omp_for_static_nochunk): Likewise.
17959 (expand_omp_for_static_chunk): Likewise.
17960 (expand_omp_for): Likewise.
17961 (expand_omp_sections): Likewise.
17962 (remove_exit_barriers): New.
17963 (expand_omp_synch): New.
17965 (build_omp_regions_1): New.
17966 (build_omp_regions): New.
17967 (execute_expand_omp): New.
17968 (gate_expand_omp): New.
17969 (pass_expand_omp): Define.
17970 (lower_omp_sections): Rename from expand_omp_sections.
17971 Set OMP_SECTIONS_SECTIONS.
17972 (lower_omp_single_simple): Rename from expand_omp_single_simple.
17973 (lower_omp_single_copy): Rename from expand_omp_single_copy.
17974 (lower_omp_single): Rename from expand_omp_simple.
17975 (lower_omp_master): Rename from expand_omp_master.
17976 (lower_omp_ordered): Rename from expand_omp_ordered.
17977 (lower_omp_critical): Rename from expand_omp_critical.
17978 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
17979 (lower_omp_for): Re-implement.
17980 (lower_omp_parallel): Re-implement.
17981 (lower_regimplify): Rename from expand_regimplify.
17982 (lower_omp_1): Rename from expand_omp_1.
17983 If there are syntax errors in the program, replace every
17984 OpenMP directive with NOP.
17985 Call lower_omp_* instead of expand_omp_*.
17986 (lower_omp): Rename from expand_omp.
17988 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
17989 * tree-gimple.h (enum omp_parallel_type): Remove.
17990 (gimple_boolify): Declare extern.
17991 (find_omp_clause, determine_parallel_type): Remove.
17993 * gimple-low.c (lower_omp_directive): New.
17994 (lower_stmt): Call it.
17995 (record_vars_into): Move from ...
17996 (record_vars): ... here.
17997 Call record_vars_into with current_function_decl.
17999 * gimplify.c (struct gimplify_ctx): Remove fields
18000 combined_pre_p and combined_ctxp. Update users.
18001 (get_formal_tmp_var): Add documentation.
18002 (gimple_boolify): Make extern.
18003 (gimplify_expr_in_ctx): Remove. Update callers.
18004 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
18005 will always be a BIND_EXPR.
18006 (gimplify_expr): Handle OMP_RETURN_EXPR.
18007 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
18008 (OMP_PARALLEL): Add 3 operands.
18009 (OMP_SECTIONS): Add 1 operand.
18010 (OMP_RETURN_EXPR): Define.
18012 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
18013 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
18014 * tree-iterator.c (alloc_stmt_list): Assert that we are not
18015 creating a circular free list.
18016 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
18018 * tree-flow.h (move_sese_region_to_fn): Declare.
18019 (record_vars_into): Declare.
18020 * tree-cfg.c (make_omp_sections_edges): New.
18021 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
18022 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
18023 OMP_SECTIONS and OMP_SECTION.
18024 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
18025 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
18026 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
18027 (gather_blocks_in_sese_region): New.
18028 (struct move_stmt_d): Declare.
18029 (move_stmt_r): New.
18030 (move_block_to_fn): New.
18031 (move_sese_region_to_fn): New.
18033 * passes.c (init_optimization_passes): Schedule
18034 pass_expand_omp after pass_init_datastructures.
18036 * tree-ssa-operands.c (get_expr_operands): Handle
18037 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
18038 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
18040 2006-01-19 Jeff Law <law@redhat.com>
18042 * tree-vrp.c (extract_range_from_assert): Refine the result range
18043 if the variable referenced by the ASSERT_EXPR has a range and
18044 either the tentative result range or the previous range is a
18047 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18049 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
18051 2006-01-19 Jan Hubicka <jh@suse.cz>
18053 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
18055 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
18057 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
18058 (expand_compound_operation, expand_field_assignment): Fail if the
18059 bit lengths of an extract operation are out of range.
18060 (make_extraction): Compute wanted_inner_mode based on the position
18061 and length of the extraction. Make it extraction_mode for non-constant
18062 positions, and do not modify offset in that case. When generating a
18063 new MEM, use a mode that can hold the extraction while keeping correct
18064 alignment. Remove code that supported MEMs wrapped by USEs.
18065 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
18067 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
18069 * config/s390/s390.md ("Y", "y"): New mode attribute.
18070 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
18071 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
18072 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
18073 "*addsi3_imm_cc", "*addsi3_carry1_cc",
18074 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
18075 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
18076 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
18077 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
18078 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
18079 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
18080 "addsi3", "subsi3"): Insn patterns removed.
18081 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
18082 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
18083 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
18084 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
18085 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
18086 "*sub<mode>3_cconly2"): New insn patterns.
18087 ("addsi3", "subsi3"): New expanders.
18089 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
18091 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
18092 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
18093 existing STMT_VINFO_VECTYPE if available.
18094 (vect_mark_relevant): Add special handling for stmts that are
18095 marked as STMT_VINFO_IN_PATTERN_P.
18096 (vect_analyze_loop): Call vect_pattern_recog.
18097 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
18098 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
18100 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
18101 (vect_recog_func_ptr): New function-pointer type.
18102 * tree-vect-patterns.c: New file.
18103 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
18104 (vect_recog_dot_prod_pattern, vect_pattern_recog):
18105 (vect_pattern_recog_1): New functions.
18106 (vect_pattern_recog_funcs): New array of function pointers.
18108 * tree-vectorizer.h (ternary_op): New enum value.
18109 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
18110 declaration. Revised documentation. Removed redundant dump prints.
18111 Removed redundant argument. Added support for reduction patterns.
18112 (vectorizable_reduction): Added support for reduction patterns.
18113 (vect_transform_stmt): Added support for patterns.
18115 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
18116 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
18117 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
18118 (expand_widen_pattern_expr): New function.
18119 (init_optabs): Initialize new optabs udot_prod_optab,
18121 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
18122 (sdot_prod_optab, udot_prod_optab): Define new optabs.
18123 (expand_widen_pattern_expr): New function declaration.
18124 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
18126 * tree-inline.c (estimate_num_insns_1): Added cases for new
18127 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18128 * tree-pretty-print.c (dump_generic_node): Likewise.
18129 (op_prio): Likewise.
18130 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18131 * tree-ssa-operands.c (get_expr_operands): Added case for
18133 * tree-vect-patterns.c (widened_name_p): New function.
18134 (vect_recog_dot_prod_pattern): Added function implementation.
18135 * tree-vect-transform.c (get_initial_def_for_reduction): Added
18136 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
18137 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
18138 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
18140 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
18141 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
18142 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
18143 (init_optabs): Initialize new optabs widen_ssum_optab,
18145 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
18146 (widen_ssum_optab, widen_usum_optab): Define new optabs.
18147 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
18148 use instead of type of def.
18149 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
18150 function implementation.
18151 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
18152 widen_ssumv8hi): New.
18154 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
18157 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18160 * c-decl.c (add_flexible_array_elts_to_size): New function.
18161 (finish_decl): Use it.
18163 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
18165 * diagnostic.h: Include options.h.
18166 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
18167 dependancies for diagnostic.h.
18168 * Makefile.in (DIAGNOSTIC_H): Add options.h.
18170 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
18172 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
18173 (ssa_ro_call_cache_valid): Ditto.
18174 * tree-ssa-alias.c (sort_tags_by_id): New function.
18175 (init_transitive_clobber_worklist): Ditto.
18176 (add_to_worklist): Ditto.
18177 (mark_aliases_call_clobbered): Ditto.
18178 (compute_tag_properties): Ditto.
18179 (set_initial_properties): Ditto.
18180 (compute_call_clobbered): Ditto.
18181 (compute_may_aliases): Call compute_call_clobbered and grouping.
18182 (compute_flow_sensitive_aliasing): Remove clobbering related code.
18183 (compute_flow_insensitive_aliasing): Grouping now happens in our
18185 (setup_pointers_and_addressables): Remove clobbering related code.
18186 (add_may_alias): Ditto.
18187 (replace_may_alias): Ditto.
18188 (get_nmt_for): Ditto.
18189 (create_global_var):
18190 (is_escape_site): Return an escape_type enumeration.
18191 * tree-flow-inline.h (is_call_clobbered): Global var does not
18192 imply call clobbered.
18193 (mark_call_clobbered): Take a reason for marking this. Remove
18194 marking of globalness, and cache invalidation.
18195 (clear_call_clobbered): Remove cache invalidation code.
18196 * tree-dfa.c (dump_variable): If details is on, dump the reason
18198 * tree-outof-ssa.c (create_temp): Copy escape mask from original
18200 * tree-flow.h (struct ptr_info_def): Add escape mask member.
18201 (struct var_ann_d): Ditto.
18202 (enum escape_type): New.
18203 (mark_call_clobbered): Adjust prototype.
18204 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
18205 are never call clobbered.
18206 Record reasons for escaping.
18207 * tree-ssa-structalias.h (is_escape_site): Update prototype.
18208 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
18209 (ssa_ro_call_cache_valid): Ditto.
18210 (clobbered_v_may_defs): Ditto.
18211 (clobbered_vuses): Ditto.
18212 (ro_call_vuses): Ditto.
18213 (clobber_stats): New.
18214 (init_ssa_operands): Zero out clobber stats.
18215 (fini_ssa_operands): Print out clobber stats.
18216 (get_call_expr_operands): Pass callee fndecl to
18217 add_call_read_ops).
18218 (add_call_clobber_ops): Remove use of cache.
18219 Add use of PURE_CONST information.
18220 (add_call_read_ops): Remove use of cache.
18221 Add use of static not_read information.
18223 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
18225 Introduce TLS descriptors for i386 and x86_64.
18226 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
18227 (TARGET_ANY_GNU_TLS): New macro.
18228 (enum tls_dialect): Added TLS_DIALECT_GNU2.
18229 (struct machine_function): Add tls_descriptor_call_expanded_p.
18230 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
18231 (ix86_current_function_calls_tls_descriptor): Likewise.
18232 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
18233 (override_options): Introduce gnu2 tls dialect.
18234 (ix86_frame_pointer_required): Functions containing TLSCALLs are
18236 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
18238 (legitimize_tls_address): Adjust logic for GNU2 TLS.
18239 (ix86_init_machine_status): Initialize new field.
18240 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
18241 (ix86_tls_module_base): New.
18242 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
18243 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
18244 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
18245 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
18246 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
18247 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
18248 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
18249 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
18250 * config/i386/predicates.md (tls_modbase_operand): New.
18251 (tp_or_register_operand): New.
18253 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
18255 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
18256 (look_for_address_of): Ditto.
18257 (ipa_init): Walk the function decls.
18258 (static_execute): Don't set readonly on FUNCTION_DECL's.
18260 2006-01-18 Roger Sayle <roger@eyesopen.com>
18262 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
18263 for shifts where the source and destination registers are different.
18265 2006-01-18 Paul Brook <paul@codesourcery.com>
18267 Merge from csl-arm-branch.
18268 2005-03-14 Julian Brown <julian@codesourcery.com>
18269 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
18270 (aeabi_llsl): Likewise.
18271 (ashrdi3): Likewise.
18272 (aeabi_lasr): Likewise.
18273 (lshrdi3): Likewise.
18274 (aeabi_llsr): Likewise.
18275 2005-03-10 Julian Brown <julian@codesourcery.com>
18276 * config.gcc: Disable shared libgcc for SymbianOS.
18277 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
18279 2006-01-18 DJ Delorie <dj@redhat.com>
18281 * c-pragma.c (handle_pragma_diagnostic): New.
18282 (init_pragma): Register it.
18283 * doc/extend.texi: Document it.
18285 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
18286 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
18287 (diagnostic_context): Add classify_diagnostic[].
18288 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
18289 as errors if they're overridden to DK_WARNING.
18290 (diagnostic_initialize): Initialize classify_diagnostic[].
18291 (diagnostic_set_kind_override): New.
18292 (diagnostic_report_diagnostic): Check for kind changes.
18293 * opts.c (common_handle_option): Take lang_mask. Update callers.
18294 Handle OPT_Werror_.
18295 * common.opt (Werror=): New.
18296 * doc/invoke.texi: Document -Werror=*
18298 2006-01-18 Jeff Law <law@redhat.com>
18300 * tree-vrp.c (test_for_singularity): Correct test for new
18301 min limit. Use operand_equal_p rather than pointer equality
18302 for testing if new min/max values are equal.
18304 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
18305 using range information until after propagation and folding.
18307 2006-01-18 Richard Henderson <rth@redhat.com>
18308 Aldy Hernandez <aldyh@redhat.com>
18309 Jakub Jelinek <jakub@redhat.com>
18310 Diego Novillo <dnovillo@redhat.com>
18312 * omp-low.c: New file.
18313 * c-omp.c: New file.
18315 2006-01-18 Richard Henderson <rth@redhat.com>
18316 Jakub Jelinek <jakub@redhat.com>
18317 Diego Novillo <dnovillo@redhat.com>
18319 * doc/invoke.texi: Document -fopenmp.
18320 * tree-dump.h (debug_function): Declare.
18321 * hooks.c (hook_bool_tree_bool_false): New function.
18322 (hook_tree_tree_null): Remove.
18323 (hook_tree_tree_tree_null): New.
18324 * hooks.h: Update to match.
18325 * tree-pretty-print.c (debug_tree_chain): New.
18326 (print_generic_expr): Handle TDF_CHAIN.
18327 (dump_generic_node): Handle BLOCK.
18328 Do not abort with incomplete SWITCH_EXPRs.
18329 Do not dump body of an OpenMP directive if TDF_SLIM is given.
18330 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
18331 print space after directive name.
18332 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
18333 Handle OMP_MASTER and OMP_ORDERED.
18334 Handle printing of OMP_BODY just in one place, goto
18335 dump_omp_body in the rest of OMP_* nodes that have
18337 Don't handle clause nodes here. Update omp statements to
18338 use dump_omp_clauses.
18339 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
18340 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
18341 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
18342 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
18343 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
18344 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
18345 Adjust output for GOMP_PARALLEL.
18346 (dump_omp_clauses): New.
18347 (print_declaration): Dump DECL_VALUE_EXPR.
18348 (op_symbol_1): Split out of op_symbol.
18349 (dumping_stmts): Remove. Update all users.
18350 * cgraph.c (cgraph_analyze_queue): New.
18351 (cgraph_add_new_function): New.
18352 * cgraph.h (cgraph_analyze_queue): Declare.
18353 (cgraph_add_new_function): Declare.
18354 (cgraph_lower_function): Remove.
18355 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
18356 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
18357 and TYPE_P nodes in its default clause.
18358 (empty_body_p): New.
18359 (tree_range_check_failed): New.
18360 (build5_stat): New.
18361 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
18362 OMP_CLAUSE_REDUCTION_MERGE,
18363 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
18364 OMP_CLAUSE_PRIVATE_DEBUG,
18365 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
18366 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
18367 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
18368 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
18369 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
18370 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
18371 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
18372 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
18373 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
18374 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
18375 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
18376 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
18377 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
18378 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
18379 (TREE_RANGE_CHECK): New.
18380 (empty_body_p): Declare.
18381 (enum omp_clause_default_kind): New.
18382 (build_string_literal): Declare.
18383 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
18384 (build5_stat, build5): Declare.
18385 * tree-pass.h (TDF_CHAIN): Define.
18386 * tree-pass.h (PROP_gimple_lomp): Define.
18387 (pass_lower_omp): Declare.
18388 * diagnostic.h (debug_tree_chain): Declare.
18389 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
18391 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
18392 * builtins.c (build_string_literal): Make extern.
18393 * gcc.c (include_spec_function): New.
18394 (static_spec_functions): Add it.
18395 (main): Move load of libgomp.spec ...
18396 (LINK_COMMAND_SPEC): ... here.
18397 (link_gomp_spec): New.
18398 (static_specs): Include it.
18399 (LINK_COMMAND_SPEC): Add link_gomp.
18400 (GOMP_SELF_SPECS): New.
18401 (driver_self_specs): Include it.
18402 (switch_matches): Don't mark inline.
18403 (main): Load libgomp.spec.
18404 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
18405 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
18406 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
18407 * tree-gimple.h (enum omp_parallel): Declare.
18408 (determine_parallel_type): Declare.
18409 (omp_firstprivatize_variable): Declare.
18410 (omp_reduction_init): Declare.
18411 (diagnose_omp_structured_block_errors): Declare.
18412 (struct walk_stmt_info): Add want_return_expr.
18413 (struct walk_stmt_info): Add want_bind_expr, want_locations.
18414 (find_omp_clause): Declare.
18415 (insert_field_into_struct): Declare.
18416 (struct walk_stmt_info): Move from tree-nested.c
18417 (walk_stmts): Declare.
18418 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
18420 * cgraphunit.c (cgraph_lower_function): Make static.
18421 (cgraph_finalize_pending_functions): New.
18422 (cgraph_finalize_function): Call it.
18423 (cgraph_finalize_compilation_unit): Likewise.
18424 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
18425 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
18426 (BT_FN_UINT_UINT): New.
18427 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
18428 DEF_FUNCTION_TYPE_VAR_4): Document.
18429 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
18430 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
18431 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
18432 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
18433 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
18434 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
18435 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
18436 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
18437 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
18438 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
18439 into separate files.
18440 (DEF_GOMP_BUILTIN): New.
18441 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
18442 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
18443 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
18444 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
18445 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
18446 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
18447 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
18448 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
18449 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
18450 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
18451 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
18452 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
18453 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
18454 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
18455 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
18456 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
18457 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
18458 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
18459 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
18460 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
18461 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
18462 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
18463 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
18464 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
18465 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
18466 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
18467 * sync-builtins.def: New file, moved from builtins.def.
18468 * omp-builtins.def: New file, moved from builtins.def.
18469 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
18470 * gimple-low.c (lower_function_body): Clear data.
18471 (lower_stmt): Do not handle COMPOUND_EXPR.
18472 Remove call to print_node_brief.
18473 * c-tree.h (c_finish_omp_clauses): New prototype.
18474 (C_DECL_THREADPRIVATE_P): Define.
18475 (lookup_name_no_remap, c_omp_remap_private): Remove
18476 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
18477 (check_for_loop_decls): Update decl.
18478 (lookup_name_no_remap, c_omp_remap_private): Declare.
18479 (build_indirect_ref, build_modify_expr, pushdecl,
18480 pushdecl_top_level): Move to c-common.h.
18481 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
18482 before the switch, but just in the 2 places that need it.
18483 * c-decl.c (diagnose_mismatched_decls): Do not check for
18484 mismatched thread-local attributes when OLDDECL is marked
18485 threadprivate and NEWDECL has no thread-local attributes.
18486 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
18487 (c_gimple_diagnostics_recursively): Rename from
18488 c_warn_unused_result_recursively. Invoke
18489 diagnose_omp_structured_block_errors.
18490 (check_for_loop_decls): Return a singular decl found.
18491 * langhooks.c (lhd_omp_predetermined_sharing): Return
18492 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
18493 (lhd_omp_firstprivatize_type_sizes): New.
18494 (lhd_omp_assignment): New.
18495 (lhd_omp_predetermined_sharing): New.
18496 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
18497 (struct lang_hooks_for_types): Add
18498 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
18499 omp_predetermined_sharing, omp_disregard_value_expr,
18500 omp_private_debug_clause, omp_clause_default_ctor,
18501 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
18502 (c_finish_omp_clauses): New.
18503 (c_finish_bc_stmt): Diagnose break within omp for.
18504 (c_begin_omp_parallel, c_finish_omp_parallel): New.
18505 (build_unary_op): Return error_mark after reporting
18507 (build_modify_expr): Likewise.
18508 * gimplify.c: Include optabs.h and pointer-set.h.
18509 (enum gimplify_omp_var_data): Declare.
18510 (struct gimplify_omp_ctx): Declare.
18511 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
18513 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
18514 (push_gimplify_context, pop_gimplify_context): Allow nesting.
18515 (splay_tree_compare_decl_uid): New.
18516 (new_omp_context): New.
18517 (delete_omp_context): New.
18518 (gimple_add_tmp_var): Call omp_add_variable.
18519 (gimplify_bind_expr): Likewise.
18520 (gimplify_var_or_parm_decl): If omp_notice_variable returned
18521 true, disregard DECL_VALUE_EXPR on the decl if any.
18522 (gimplify_expr_in_ctx): New.
18523 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
18524 omp_add_variable, omp_notice_variable, omp_is_private
18525 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
18526 gimplify_adjust_omp_clauses, gimplify_omp_parallel
18527 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
18528 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
18529 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
18530 gimplify_omp_atomic): New.
18531 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18532 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18533 OMP_CRITICAL and OMP_ATOMIC.
18534 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
18535 * c-pragma.h (enum pragma_kind): Add
18536 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
18537 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
18538 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
18539 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
18540 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
18541 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
18542 PRAGMA_OMP_THREADPRIVATE.
18543 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18544 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18545 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
18546 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
18547 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
18548 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
18549 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
18550 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
18551 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
18552 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
18553 * tree-ssa-dce.c (find_control_dependence): Do not assume that
18554 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
18555 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
18557 (struct nesting_info): Add field_map,
18558 suppress_expansion, debug_var_chain.
18559 (create_nesting_tree): Initialize them.
18560 (lookup_field_for_decl): Use field_map.
18561 (get_nonlocal_debug_decl, get_local_debug_decl): New.
18562 (convert_local_omp_clauses): New.
18563 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
18564 (walk_body): Split out of walk_function.
18565 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
18566 (convert_nonlocal_reference): Handle omp statements.
18567 (convert_local_reference): Likewise.
18568 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
18569 (unnest_nesting_tree): New.
18570 (lower_nested_functions): Call it.
18571 (insert_field_into_struct): Make extern.
18572 (struct walk_stmt_info): Move to tree-gimple.h.
18573 (walk_stmts): Make extern.
18574 * omp-builtins.def: New file.
18575 * tree-iterator.c (expr_only): Clarify comment.
18576 * c-common.h (pushdecl_top_level, pushdecl,
18577 build_modify_expr, build_indirect_ref,
18578 c_finish_omp_master, c_finish_omp_critical,
18579 c_finish_omp_ordered, c_finish_omp_barrier,
18580 c_finish_omp_atomic, c_finish_omp_flush,
18581 c_finish_omp_for, c_split_parallel_clauses,
18582 omp_clause_default_kind, c_omp_sharing_predetermined,
18583 c_omp_remap_decl): Declare.
18584 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
18585 (OBJS-common): Add omp-low.o.
18586 (c-omp.o, omp-low.o): Add.
18587 (gimplify.o): Add dependency on $(OPTABS_H).
18588 (GTFILES): Add omp-low.c.
18589 (gt-stringpool.h): Add.
18590 * tree-cfg.c (set_bb_for_stmt): Do not update the
18591 block-to-labels map if we are currently expanding to RTL.
18592 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
18594 Handle IDENTIFIER_NODE.
18595 (tree_verify_flow_info): Do not ICE when emitting error
18596 messages about invalid labels.
18597 (dump_function_to_file): Reset CFUN before emitting the body
18599 (debug_function): New.
18600 * passes.c (init_optimization_passes): Schedule
18602 * langhooks-def.h (lhd_omp_predetermined_sharing,
18603 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
18605 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
18606 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
18607 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
18608 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
18609 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
18610 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
18611 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
18612 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
18613 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
18614 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
18615 (LANG_HOOK_DECLS): Use them.
18617 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
18618 Richard Henderson <rth@redhat.com>
18619 Jakub Jelinek <jakub@redhat.com>
18620 Diego Novillo <dnovillo@redhat.com>
18622 * c-parser.c (pragma_omp_clause): Define.
18623 (c_parser_declaration_or_fndef): Document OpenMP syntax.
18624 (c_parser_compound_statement): Likewise.
18625 (c_parser_statement): Likewise.
18626 (c_parser_pragma): Handle omp pragmas.
18627 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
18628 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
18629 (c_parser_omp_clause_name, check_no_duplicate_clause,
18630 c_parser_omp_variable_list,
18631 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
18632 c_parser_omp_clause_copyprivate,
18633 c_parser_omp_clause_default,
18634 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
18635 c_parser_omp_clause_lastprivate,
18636 c_parser_omp_clause_nowait,
18637 c_parser_omp_clause_num_threads,
18638 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
18639 c_parser_omp_clause_reduction,
18640 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
18641 c_parser_omp_all_clauses, c_parser_omp_structured_block,
18642 c_parser_omp_atomic, c_parser_omp_barrier,
18643 c_parser_omp_critical, c_parser_omp_flush,
18644 c_parser_omp_for_loop, c_parser_omp_for,
18645 c_parser_omp_master, c_parser_omp_ordered,
18646 c_parser_omp_sections_scope, c_parser_omp_sections,
18647 c_parser_omp_parallel, c_parser_omp_single,
18648 c_parser_omp_construct, c_parser_omp_threadprivate): New.
18649 * c-pragma.c (init_pragma): Do omp pragma registration here.
18650 * c.opt (fopenmp): New flag.
18652 2006-01-18 Eric Christopher <echristo@apple.com>
18654 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
18655 * config/darwin.h (GOMP_SELF_SPECS): Define.
18657 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18659 * rtl.h: Remove the prototype for reg_alloc.
18661 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18664 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
18665 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
18666 sjlj and dwarf2 exception handling.
18667 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
18668 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
18669 * pa/pa.c (function_value): Treat complex and vector types as
18671 (function_arg): Likewise. Only pass scalar floats in the floating
18672 point argument registers.
18673 * pa/t-slibgcc-dwarf-ver: New file.
18674 * pa/t-slibgcc-sjlj-ver: New file.
18675 * pa/t-slibgcc-elf-ver: Delete file.
18677 2006-01-19 Alan Modra <amodra@bigpond.net.au>
18679 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
18680 unlikely_test_section_p test.
18682 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18684 * mode-switching.c (optimize_mode_switching): Make it static.
18685 * basic-block.h: Remove the prototype for
18686 optimize_mode_switching.
18688 * modulo-sched.c (sms_schedule): Make it static.
18689 * rtl.h: Remove the prototype for sms_schedule.
18691 * postreload-gcse.c (gcse_after_reload_main): Make it static.
18692 * rtl.h: Remove the prototype for gcse_after_reload_main.
18694 * reg-stack.c (reg_to_stack): Make it static.
18695 * rtl.h: Remove the prototype for reg_to_stack.
18697 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
18699 * rtl.h: Remove the prototypes for regrename_optimize and
18700 copyprop_hardreg_forward.
18702 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
18704 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
18705 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
18706 Test against the appropriate null constant for the mode.
18707 If 'fixup_overlap' is true, swap the operands if they overlap.
18708 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
18709 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
18710 alpha_split_tmode_pair and adjust for above change.
18711 * config/alpha/alpha.md (movtf_internal): Adjust call to
18712 alpha_split_tfmode_pair and rely on it to swap the operands.
18713 (movti_internal): New insn and post-reload splitter.
18714 (movti): New expander.
18716 2006-01-18 Philippe De Muyter <phdm@macqel.be>
18718 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
18721 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18723 * rtlanal.c (global_reg_mentioned_p_1,
18724 global_reg_mentioned_p): Remove.
18725 * rtl.h: Remove the prototype for global_reg_mentioned_p.
18727 * flow.c (initialize_uninitialized_subregs): Make it static.
18728 * rtl.h: Remove the prototype for
18729 initialize_uninitialized_subregs.
18731 * function.c (instantiate_virtual_regs): Make it static.
18732 * function.h: Remove the prototype for
18733 instantiate_virtual_regs.
18735 * regmove.c (regmove_optimize, combine_stack_adjustments):
18737 * rtl.h: Remove the prototypes for regmove_optimize and
18738 combine_stack_adjustments.
18740 2006-01-17 Roger Sayle <roger@eyesopen.com>
18742 * config/i386/i386.c (COSTS_N_BYTES): New macro.
18743 (size_cost): Encode costs in bytes so that a reg-reg addition is
18744 equivalent to COSTS_N_INSNS(1).
18745 (override_options): Use the size_cost.branch_cost as the default
18746 ix86_branch_cost when optimizing for size.
18748 2006-01-18 Ben Elliston <bje@au.ibm.com>
18750 * Makefile.in (D32PBIT_FUNCS): New.
18751 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
18752 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
18753 D64PBIT_FUNCS and D128PBIT_FUNCS.
18754 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
18755 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
18757 (decnumber_dep): Define.
18758 * doc/libgcc.texi (Decimal float library routines): New node.
18759 * config/dfp-bit.h, config/dfp-bit.c: New files.
18761 2006-01-18 Ben Elliston <bje@au.ibm.com>
18763 * expr.c (emit_move_change_mode): Always adjust addresses, not
18764 just during reload. Copy replacements only during reload.
18765 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
18766 emit_move_via_integer.
18768 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
18770 * Makefile.in (check-%, check-consistency): Use $${srcdir}
18771 instead of $(srcdir) and ${srcdir}.
18773 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
18776 PR middle-end/11135
18777 * arm.h (struct machine_function): Add pic_reg.
18778 * arm.c (arm_pic_register): Make unsigned.
18779 (arm_override_options): Only set arm_pic_register if
18780 TARGET_SINGLE_PIC_BASE.
18781 (use_return_insn): Only test for a pic register if it is fixed.
18782 (arm_compute_save_reg0_reg12_mask): Likewise.
18783 (thumb_compute_save_reg_mask): Likewise.
18784 (legitimate_pic_operand): Factor out some known invariants.
18785 (legitimize_pic_address): If we don't have a fixed pic register,
18786 then set up a pseudo in the function entry sequence. Handle the
18787 pic base being in a pseudo.
18788 (arm_load_pic_register): Handle the pic register being in a pseudo.
18789 (arm_expand_prologue): Only set up the pic register if it is fixed.
18790 (thumb_expand_prologue): Likewise.
18791 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
18792 (pic_load_addr_based_insn): Likewise.
18793 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
18796 2006-01-18 Ben Elliston <bje@au.ibm.com>
18798 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
18799 decimal float modes for all floating point registers.
18801 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
18802 match_code "mem" with match_test "macho_lo_sum_memory_operand".
18804 2006-01-17 Jakub Jelinek <jakub@redhat.com>
18807 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
18808 even when the pointer is not NULL.
18810 2006-01-16 Ian Lance Taylor <ian@airs.com>
18812 * common.opt (ftoplevel-reorder): New option.
18813 * cgraph.c (cgraph_asm_nodes): New global variable.
18814 (cgraph_asm_last_node): New static variable.
18815 (cgraph_order): New global variable.
18816 (cgraph_create_node): Set new order field.
18817 (cgraph_varpool_node): Likewise.
18818 (decide_is_variable_needed): Return true if not
18819 flag_toplevel_reorder.
18820 (cgraph_add_asm_node): New function.
18821 * cgraph.h (struct cgraph_node): Add order field.
18822 (struct cgraph_varpool_node): Add order field.
18823 (struct cgraph_asm_node): Define.
18824 (cgraph_asm_nodes, cgraph_order): Declare.
18825 (cgraph_add_asm_node): Declare.
18826 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
18828 (cgraph_varpool_assemble_pending_decls): Call it.
18829 (cgraph_output_pending_asms): New static function.
18830 (cgraph_finalize_compilation_unit): Call it.
18831 (struct cgraph_order_sort): Define.
18832 (cgraph_output_in_order): New static function.
18833 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
18834 !flag_toplevel_reorder case.
18835 * c-parser.c: Include "cgraph.h".
18836 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
18838 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
18839 than -fno-unit-at-a-time.
18840 * doc/invoke.texi (Option Summary): Mention
18841 -fno-toplevel-reorder.
18842 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
18843 -funit-at-a-time documentation.
18845 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
18846 Kazu Hirata <kazu@codesourcery.com>
18848 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
18850 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
18852 * Makefile.in (FUNCTION_H): New. Use it instead of
18853 function.h throughout the file.
18854 * function.h: Include tree.h.
18856 2006-01-17 Ben Elliston <bje@au.ibm.com>
18858 * recog.c: Separate some functions with whitespace.
18860 2006-01-16 Richard Henderson <rth@redhat.com>
18862 Merge from gomp branch:
18863 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
18864 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
18865 and rename from struct inline_data. Rename callee* to dst*;
18866 caller* to src*; add copy_decl hook, transform_call_graph_edges,
18867 transform_new_cfg, transform_return_to_modify, and
18868 transform_lang_insert_block flags; remove cloning_p, versioning_p,
18870 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
18871 (copy_decl_for_dup): Remove.
18872 * tree-inline.c (struct inline_data): Move to header.
18873 (insert_decl_map): Export.
18874 (remap_decl): Update for member name changes. Use copy_decl hook.
18875 Allow for replacement to be a non-decl. Remove dead code.
18876 (remap_type_1): Check for existing mapping.
18877 (remap_type): Export.
18878 (remap_decls): Update for member name changes.
18879 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
18880 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
18881 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
18882 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
18883 (tree_function_versioning, build_duplicate_type): Likewise.
18884 (copy_body_r): Likewise. Export.
18885 (copy_decl_for_dup): Split into ...
18886 (copy_decl_for_dup_finish, copy_decl_to_var,
18887 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
18888 (replace_ref_tree, inlining_p): Remove.
18890 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18892 * ifcvt.c (if_convert): Make it static.
18893 * rtl.h: Remove the prototype for if_convert.
18895 * local-alloc.c (local_alloc): Make it static.
18896 * rtl.h: Remove the prototype for local_alloc.
18898 * loop.c (loop_optimize): Make it static.
18899 * cfgloop.h: Remove the prototype for loop_optimize.
18902 2006-01-16 DJ Delorie <dj@redhat.com>
18904 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
18907 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18909 * pa.md: Disparage copies between general and floating-point registers
18910 in 32-bit move patterns.
18912 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
18915 * Makefile.in (check-%): Depend on site.exp instead of
18916 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
18919 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18921 * global.c (global_alloc): Make it static.
18922 * rtl.h: Remove the prototype for global_alloc.
18924 2006-01-16 Richard Guenther <rguenther@suse.de>
18926 * tree-ssa-alias.c (struct used_part): Add write_only field.
18927 (get_or_create_used_part_for): Initialize it to true.
18928 (create_overlap_variables_for): Don't create structure variables
18929 for structures that only are written to.
18930 (find_used_portions): Handle MODIFY_EXPR to track whether a
18931 structure is only written to.
18933 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18935 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
18937 * basic-block.h: Remove the prototype for
18938 partition_hot_cold_basic_blocks.
18940 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
18942 * cppspec.c (lang_specific_spec_functions): Remove.
18943 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
18944 * gcc.h (lang_specific_spec_functions): Remove.
18945 * gccspec.c (lang_specific_spec_functions): Remove.
18947 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
18949 * combine.c (record_value_for_reg): Invalidate registers
18951 (record_dead_and_set_regs_1): Likewise, by passing them to
18952 record_value_for_reg.
18953 (record_dead_and_set_regs): Invalidate stores made by a
18954 call. We do not combine across a call, but we still
18955 relied on equivalences.
18957 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18959 * tree-vrp.c (extract_range_from_binary_expr): Cope with
18960 vrp_int_const_binop returning non-constant nodes.
18962 2006-01-16 Paul Brook <paul@codesourcery.com>
18964 * config/m68k/m68k.c (output_move_const_into_data_reg):
18965 Output correct mnemonic for mvz and mvs.
18967 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
18969 * rtl-factoring.c: Add sequence abstraction algorithm.
18970 * cfgcleanup.c (outgoing_edges_match): Extra checks.
18971 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
18973 (block_has_preserve_label): New function.
18974 * common.opt: Register new pass.
18975 * Makefile.in: Ditto.
18977 * timevar.def: Ditto.
18978 * tree-pass.h: Ditto.
18979 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
18980 * rtl.h (make_jump_insn_raw): Add forward decl.
18981 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
18983 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18984 Roger Sayle <roger@eyesopen.com>
18986 * fold-const.c (fold_minmax): New static function.
18987 (fold_binary) <MIN_EXPR>: Call it.
18988 <MAX_EXPR>: Likewise.
18989 * stor-layout.c (place_field): Use DECL_SIZE consistently
18990 in the computation of the new record size.
18992 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18994 * cse.c (cse_condition_code_reg): Make it static.
18995 * rtl.h: Remove the prototype for cse_condition_code_reg.
18997 * combine.c (combine_instructions): Make it static.
18998 * rtl.h: Remove the prototype for combine_instructions.
19000 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19003 * tree.c (get_file_function_name_long): Concatenate the first global
19004 object name with a string derived from the input filename of the object
19007 2006-01-16 Ben Elliston <bje@au.ibm.com>
19009 * config/i386/winnt-stubs.c: Update FSF address.
19010 * config/xtensa/ieee754-df.S: Ditto.
19011 * config/xtensa/ieee754-sf.S: Ditto.
19013 2006-01-14 Ian Lance Taylor <ian@airs.com>
19015 * ifcvt.c (noce_init_if_info): New static function, broken out of
19016 noce_process_if_block.
19017 (noce_process_if_block): Call noce_init_if_info.
19018 (check_cond_move_block): New static function.
19019 (cond_move_process_if_block): New static function.
19020 (process_if_block): Call cond_move_process_if_block.
19022 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
19024 * cselib.c (hash_table): Rename to cselib_hash_table.
19025 (cselib_clear_table, discard_useless_values,
19026 remove_useless_values, cselib_lookup_mem, cselib_lookup,
19027 cselib_init, cselib_finish): Adjust uses of hash_table.
19029 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
19031 PR tree-optimization/25485
19032 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
19033 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
19034 is known to be false and true, respectively.
19036 2006-01-14 Richard Guenther <rguenther@suse.de>
19038 PR tree-optimization/22548
19039 PR tree-optimization/22555
19040 PR tree-optimization/22501
19041 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
19042 * params.def (salias-max-array-elements): New parameter.
19043 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
19044 * doc/invoke.texi (salias-max-array-elements): Document.
19045 * tree-flow-inline.h (var_can_have_subvars): We also handle
19047 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
19049 * tree-ssa-structalias.c (params.h): Include.
19050 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
19051 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
19052 (get_constraint_for): For ADDR_EXPR operating on something
19053 containing an ARRAY_REF, add all subvars to the solution.
19054 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
19055 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
19056 for creating MUST_DEFs.
19057 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
19059 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
19061 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
19063 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
19064 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
19065 number_of_iterations_le): New functions.
19066 (number_of_iterations_special): Removed.
19067 (number_of_iterations_exit): Do not use number_of_iterations_special.
19068 * tree.c (unsigned_type_for): Always return integer type.
19070 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
19071 Richard Guenther <rguenther@suse.de>
19073 PR rtl-optimization/24257
19074 * gcse.c (find_moveable_store): Only consider a store movable
19075 when the SET_SRC of the insn can be assigned to a register.
19077 2006-01-14 Ian Lance Taylor <ian@airs.com>
19079 * tree.c (tree_not_class_check_failed): New function.
19080 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
19081 (tree_not_class_check_failed): Declare.
19083 2006-01-13 Ian Lance Taylor <ian@airs.com>
19085 * reload1.c (do_output_reload): Add assertion rejecting a
19088 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
19090 * combine.c (struct reg_stat): Add new fields truncation_label and
19092 (record_value_for_reg): Reset truncated_to_mode.
19093 (record_truncated_value): New function.
19094 (check_promoted_subreg): Call it. Rename to check_conversions.
19095 (combine_instructions): Rename check_promoted_subreg to
19097 (reg_truncated_to_mode): New function.
19098 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
19099 (gen_lowpart_or_truncate): New function.
19100 (force_to_mode): Use it instead of gen_lowpart.
19102 2006-01-13 Diego Novillo <dnovillo@redhat.com>
19104 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
19105 VAR is a tag, not its type tag.
19107 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
19109 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
19110 alternatives to match style of other entries.
19111 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
19113 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
19115 PR tree-optimization/25771
19116 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
19119 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
19122 * tree-inline.c (declare_return_variable): If the return variable
19123 was marked as a non gimple complex, set the return slot variable
19124 to be a non gimple comple variable.
19126 2006-01-13 Richard Guenther <rguenther@suse.de>
19128 * builtins.c (expand_builtin_sincos): New function.
19129 (expand_builtin_mathfn_3): Remove dead code, sin and cos
19131 (expand_builtin): Expand sincos using expand_builtin_sincos.
19133 2006-01-12 DJ Delorie <dj@redhat.com>
19135 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
19136 shift counts, separate SI shifts for m32c vs m16c, pass shift type
19137 so that constant shifts can be split.
19138 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
19139 (m32c_valid_pointer_mode): Make static.
19140 (shift_gen_func_for): New.
19141 (m32c_prepare_shift): Use it. Split large const shifts into
19143 * config/m32c/predicates.md (shiftcount_operand): Allow more
19145 (longshiftcount_operand): New.
19146 * doc/md.texi (Machine Constraints): Document In6.
19148 2006-01-13 Ben Elliston <bje@au.ibm.com>
19150 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
19151 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
19154 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
19156 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
19157 to try to avoid clobbering pieces of structures when we know
19158 something about the whole structure.
19159 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
19161 2006-01-13 Ben Elliston <bje@au.ibm.com>
19163 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
19164 return in memory, as this is no limitation is no longer present.
19166 2006-01-12 DJ Delorie <dj@redhat.com>
19168 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
19169 mova with fb, and for fb+0 -> An.
19171 * config/m32c/mov.md (peephole2): Fix enabling logic.
19173 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
19174 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
19175 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
19176 FINI_ARRAY_SECTION_ASM_OP): Define.
19178 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
19180 (m32c_legitimize_reload_address): New logic to reload FB to An.
19181 (m32c_output_reg_push): Add newline.
19182 (m32c_output_reg_pop): Likewise.
19184 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
19186 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
19188 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
19190 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
19192 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19194 * config/sh/predicates.md (sh_rep_vec): Add parallel to
19197 2006-01-11 Ben Elliston <bje@au.ibm.com>
19199 * rtlanal.c (find_reg_note): Assert insn is not null.
19201 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19203 * df-scan.c (df_hard_reg_init): Move declaration of i outside
19206 2006-01-11 Jeff Law <law@redhat.com>
19208 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
19210 (mark_threaded_blocks, register_jump_thread): New functions.
19211 (thread_through_all_blocks): Remove unwanted argument. No
19212 longer rely on e->aux to communicate thread target info.
19213 Call mark_threaded_blocks. Release the threaded_blocks
19214 bitmap and threaded_edges vector when complete.
19215 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
19216 (threaded_blocks): Remove.
19217 (tree_ssa_dominator_optimize): Remove initialization and
19218 finalization of threaded_blocks. Simplify call to
19219 thread_through_all_blocks.
19220 (thread_across_edge): Call register_jump_thread rather than
19221 storing thread information into e->aux.
19222 (free_all_edge_infos): Simplify now that e->aux is no longer
19223 used to communicate with thread_through_all_blocks.
19224 * tree-flow.h (thread_through_all_blocks): Update prototype.
19225 (register_jump_thread): Prototype.
19227 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19229 * df-core.c (df_compact_blocks, df_bb_replace): Use
19230 SET_BASIC_BLOCK instead of BASIC_BLOCK.
19232 2006-01-11 Richard Guenther <rguenther@suse.de>
19234 PR tree-optimization/25734
19235 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
19236 stop propagation after successful propagation to the LHS.
19238 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19240 * basic-block.h (control_flow_graph): Change the type of
19241 x_basic_block_info to VEC(basic_block,gc) *.
19242 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
19244 (SET_BASIC_BLOCK): New.
19245 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
19246 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
19247 * cfgbuild.c (find_basic_blocks): Likewise.
19248 * cfglayout.c (fixup_reorder_chain): Likewise.
19249 * cfgrtl.c (create_basic_block_structure,
19250 rtl_create_basic_block): Likewise.
19251 * ifcvt.c (find_if_case_1): Likewise.
19252 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
19255 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19257 * Makefile.in: Removed rotted odf.c entry.
19259 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
19262 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
19263 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
19264 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
19265 output pattern modifier, not %e.
19266 * config/cris/cris.c (cris_op_str): Update comment about pattern
19268 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
19269 before falling through into...
19270 <case 'E'>: Redefined from old 'e' case.
19272 2006-01-11 Jan Hubicka <jh@suse.cz>
19275 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
19277 2006-01-11 Jan Hubicka <jh@suse.cz>
19279 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
19280 * i386.c (x86_decompose_lea): Kill.
19281 (ix86_rtx_costs): Kill.
19283 2006-01-11 Jan Hubicka <jh@suse.cz>
19285 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
19286 * cgraph.h (cgraph_node): Add inline_decl.
19287 (cgraph_insert_node_to_hashtable): Declare.
19288 (save_inline_function_body): Declare.
19289 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
19291 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
19292 (cgraph_function_versioning): Update call of tree_function_versioning.
19293 (save_inline_function_body): New function.
19294 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
19295 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
19296 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
19297 (cgraph_default_inline_p): Likewise.
19298 (cgraph_decide_inlining_incrementally): Likewise.
19299 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
19300 (copy_bb): Kill saving; do updating of clones.
19301 (copy_cfg_body): Kill saving.
19302 (initialize_inlined-parameters): Likewise.
19303 (expand_call_inline): Likewise.
19305 (tree_function_versioning): New parameter "update_clones".
19306 (inlining_p): Kill saving.
19307 * tree-inline.h (tree_function_versioning): Update prototype.
19308 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
19311 2006-01-11 Ian Lance Taylor <ian@airs.com>
19313 * combine.c (struct undo): Remove is_int. Enumify types of undos.
19314 Allow undoing set of machine mode.
19315 (do_SUBST): Use enums instead of is_int.
19316 (do_SUBST_MODE): New function.
19317 (SUBST_MODE): New macro.
19318 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
19319 reg and trying to replace reg_regno_rtx with a new register.
19320 (undo_all): Use new enums, handle undoing a PUT_MODE change.
19321 (simplify_set): Use SUBST_MODE.
19322 (distribute_notes): Remove code that tried to update reg notes
19323 for regno_reg_rtx changes.
19325 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
19327 PR tree-optimization/23109
19328 PR tree-optimization/23948
19329 PR tree-optimization/24123
19331 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
19332 * tree-cfg.c (single_noncomplex_succ): New.
19333 * tree-flow.h (single_noncomplex_succ): Declare it.
19334 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19335 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19336 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
19337 insert_bb, register_division_in, insert_reciprocals,
19338 replace_reciprocal, free_bb): New.
19339 (execute_cse_reciprocals_1): Rewritten.
19340 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
19341 Do not commit any edge insertion. Always compute dominators and
19342 create the allocation pool.
19343 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
19344 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
19345 * targhooks.c (default_min_divistions_for_recip_mul): New.
19346 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
19347 * passes.c (init_optimization_passes): Run recip after tree loop
19349 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
19351 2006-01-11 Danny Berlin <dberlin@dberlin.org>
19352 Kenneth Zadeck <zadeck@naturalbridge.com>
19354 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
19355 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
19356 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
19357 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
19358 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
19359 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
19360 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
19361 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
19362 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
19363 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
19364 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
19365 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
19366 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
19367 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
19368 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
19369 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
19370 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
19371 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
19372 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
19373 DF_SCAN_POST_ALLOC): New macros.
19374 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
19375 df_free_bb_function, df_local_compute_function, df_init_function,
19376 df_dataflow_function, df_confluence_function_0,
19377 df_confluence_function_n, df_transfer_function,
19378 df_finalizer_function, df_free_function, df_dump_problem_function,
19379 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
19380 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
19381 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
19382 df_urec_bb_info, ) New types.
19383 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
19385 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
19386 df_analyze_simple_change_some_blocks,
19387 df_analyze_simple_change_one_block, df_compact_blocks,
19388 df_bb_replace, df_bb_regno_last_use_find,
19389 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
19390 df_insn_regno_def_p, df_find_def, df_find_use,
19391 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
19392 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
19393 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
19394 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
19395 debug_df_chain, df_get_dependent_problem, df_chain_create,
19396 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
19397 df_grow_bb_info, df_chain_dump, df_print_bb_index,
19398 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
19399 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
19400 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
19401 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
19402 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
19403 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
19404 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
19405 df_ref_remove, df_insn_refs_delete, df_refs_delete,
19406 df_reorganize_refs, df_set_state, df_hard_reg_init,
19407 df_read_modify_subreg_p) New public functions.
19408 * df-core.c: The core dataflow solver and glue routines for rtl
19410 (df_init, df_add_problem, df_set_blocks, df_finish,
19411 df_hybrid_search_forward, df_hybrid_search_backward,
19412 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
19413 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
19414 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
19415 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
19416 df_reg_defined, df_find_use, df_reg_used, df_dump,
19417 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
19418 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
19419 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
19420 debug_df_useno, reset_df_after_reload): New functions.
19421 * df-scan.c: The scanning fuctions, once in df.c, completely
19422 rewritten so that they now fully model the functionality of
19423 register usage at the backend.
19424 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
19425 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
19426 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
19427 df_grow_insn_info, df_rescan_blocks, df_ref_create,
19428 df_get_artificial_defs, df_get_artificial_uses,
19429 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
19430 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
19431 df_refs_delete, df_reorganize_refs, df_set_state,
19432 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
19433 df_def_record_1, df_defs_record, df_uses_record,
19434 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
19435 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
19436 df_record_exit_block_uses, df_hard_reg_init): New functions.
19438 * df-problems.c: Seven concrete dataflow problems that use the
19439 scanning in df-scan.c and are solved by the engine in df-core.c.
19440 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
19441 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
19442 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
19443 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
19444 df_ru_free_bb_info, df_ru_alloc,
19445 df_ru_bb_local_compute_process_def,
19446 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
19447 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
19448 df_ru_transfer_function, df_ru_free, df_ru_dump,
19449 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
19450 df_rd_free_bb_info, df_rd_alloc,
19451 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
19452 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
19453 df_rd_transfer_function, df_rd_free, df_rd_dump,
19454 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
19455 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
19456 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
19457 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
19458 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
19459 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
19460 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
19461 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
19462 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
19463 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
19464 df_urec_mark_reg_change, df_urec_check_earlyclobber,
19465 df_urec_mark_reg_use_for_earlyclobber,
19466 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
19467 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
19468 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
19469 df_urec_dump, df_urec_add_problem, df_chain_alloc,
19470 df_chain_create_bb_process_use, df_chain_create_bb,
19471 df_chain_finalize, df_chain_free, df_chains_dump,
19472 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
19473 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
19474 df_reg_lifetime): New functions.
19475 * df.c: Deleted file.
19476 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
19477 consistent with new df api.
19478 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
19479 rest_of_handle_sms): Ditto.
19480 * web.c (unionfind_union, union_defs, entry_register, web_main):
19482 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
19483 invariant_expr_equal_p, find_defs, check_dependencies,
19484 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
19485 free_inv_motion_data, move_loop_invariants): Ditto.
19486 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
19487 Update dependencies.
19488 (odf.c): Added defective entry that was deleted later in day.
19489 * sched-deps.c (sched_analyze_1): Ditto.
19491 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
19493 * tree-ssa-operands.c (get_expr_operands): Record addressable
19494 variables directly. Do not call add_stmt_operands for CONST_DECLs
19496 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
19497 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
19499 2006-01-11 Ben Elliston <bje@au.ibm.com>
19501 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
19502 function returns true in the positive case.
19504 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19507 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
19508 for SI, DI, SF and DF modes. Add alternatives to copy between
19509 general and floating point registers to the 32-bit patterns.
19510 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
19511 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
19512 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
19513 generating 64-bit code.
19514 * config/pa/pa.c (output_move_double): Handle copies between general
19515 and floating registers.
19517 2006-01-10 Stuart Hastings <stuart@apple.com>
19519 * config/i386/i386.md (set_got): Update.
19520 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
19521 (builtin_setjmp_receiver): Mach-O support.
19522 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
19523 (GOT_SYMBOL_NAME): Define.
19524 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
19525 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
19526 * config/i386/i386.c (override_options): Revise for Darwin.
19527 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
19528 support. (darwin_x86_file_end): New. (output_set_got): Add label
19529 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
19530 * config/i386/i386-protos.h (output_set_got): Likewise.
19531 * config/darwin.c (machopic_legitimize_pic_address): Update
19534 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
19536 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
19537 when MODE isn't BLKmode.
19539 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
19541 PR rtl-optimization/25367
19542 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
19544 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
19547 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
19548 for a negative bound.
19550 2006-01-10 Richard Guenther <rguenther@suse.de>
19552 * tree-ssa-structalias.c (get_constraint_for_component_ref):
19553 Never override with anything constraint.
19555 2006-01-10 Jan Beulich <jbeulich@novell.com>
19557 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
19558 256 bits when optimize_size.
19560 2006-01-10 Jan Beulich <jbeulich@novell.com>
19562 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
19564 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
19565 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
19568 2006-01-10 Ben Elliston <bje@au.ibm.com>
19570 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
19572 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
19573 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
19574 (USE_FP_FOR_ARG): Reject decimal float modes.
19575 (function_arg_advance): Likewise.
19576 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
19577 (rs6000_handle_altivec_attribute): Do not permit decimal floating
19578 point types in AltiVec vectors.
19579 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
19580 (rs6000_libcall_value): Likewise.
19582 2006-01-09 Bob Wilson <bob.wilson@acm.org>
19584 * config/xtensa/ieee754-df.S: New file.
19585 * config/xtensa/ieee754-sf.S: New file.
19586 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
19587 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
19588 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
19590 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
19592 * config/sh/predicates.md (binary_float_operator,
19593 binary_logical_operator, commutative_float_operator,
19594 equality_comparison_operator, greater_comparison_operator,
19595 less_comparison_operator, logical_operator,
19596 noncommutative_float_operator, shift_operator,
19597 symbol_ref_operand, unary_float_operator): Remove redundant
19600 2006-01-09 Jeff Law <law@redhat.com>
19602 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
19603 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
19604 now unused arguments. Callers updated.
19605 (eliminate_redundant_computations): Remove now unused arguments,
19607 (local_fold): Remove, no longer used.
19608 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
19610 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
19611 (simplify_cond): New function.
19612 (forward_propagate_into_cond): Call simplify_cond.
19614 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
19616 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
19617 (*vec_extractv2di_1_sse): New.
19619 2006-01-09 Ben Elliston <bje@au.ibm.com>
19621 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
19623 2006-01-08 Richard Guenther <rguenther@suse.de>
19625 * tree-ssa-structalias.c (get_constraint_for): Remove
19626 anyoffset argument.
19627 (get_constraint_for_component_ref): Likewise.
19628 (do_deref): Likewise.
19629 (get_constraint_for): Likewise.
19630 (do_structure_copy): Likewise.
19631 (handle_ptr_arith): Likewise.
19632 (find_func_aliases): Likewise. Remove unused need_anyoffset
19635 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
19636 Kaz Kojima <kkojima@gcc.gnu.org>
19638 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
19639 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
19640 (EXTRA_CONSTRAINT_C16): Remove.
19641 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
19642 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
19643 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
19644 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
19645 constants of SHmedia. Handle nested constant expressions of
19647 (andcosts): Fix the costs for SHmedia constants.
19648 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
19649 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
19650 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
19651 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
19652 (movv4hi_i, movv2si_i): Likewise.
19653 (movsi_const): Adjust the second operand of ior so to match with
19654 the Csu constraint.
19655 (movdi_const, movdi_const_32bit): Likewise.
19656 (movdi_const_16bit+1): Don't sign-extend LOW.
19657 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
19659 (*double_shori): Fix the split condition. Use GEN_INT instead
19660 of get_int_mode calls. Mask lower 16-bit of the argument of
19662 (sym2GOTPLT): Remove.
19663 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
19665 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
19666 instead of EXTRA_CONSTRAINT_C16.
19668 2006-01-07 Ian Lance Taylor <ian@airs.com>
19669 David Edelsohn <edelsohn@gnu.org>
19671 PR rtl-optimization/25662
19672 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
19673 for constant operands instead of simplify_gen_binary.
19674 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
19675 after trying simplify_binary_operation
19677 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
19679 * tree.c (iterative_hash_expr): Hash decls based on UID.
19681 2006-01-06 Eric Christopher <echristo@apple.com>
19683 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
19684 (TARGET_UNWIND_EMIT): Fix spelling.
19685 * target.h (gcc_target): Add except_table_label.
19686 * except.c (output_function_exception_table): Use.
19687 * varasm.c (default_emit_except_table_label): New.
19688 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
19690 (asm_out): Add here.
19691 * output.h (default_emit_except_table_label): Prototype.
19692 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
19693 * config/darwin.c (darwin_emit_except_table_label): Define.
19694 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
19696 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
19698 PR tree-optimization/18527
19699 * tree-ssa-loop-niter.c (number_of_iterations_cond,
19700 number_of_iterations_special, number_of_iterations_exit):
19701 Move base and step of an iv to a single structure. Add
19702 no_overflow flag, and use it in # of iterations analysis.
19703 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
19704 folded_casts argument.
19705 (simple_iv): Pass base and step in a structure. Set no_overflow
19707 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
19708 Evaluate expensiveness of computing # of iterations instead of
19709 the final expression.
19710 * tree-scalar-evolution.h (affine_iv): New structure.
19711 (simple_iv): Declaration changed.
19712 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
19713 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
19714 find_givs_in_stmt): Changed due to simple_iv change.
19716 2006-01-06 Jeff Law <law@redhat.com>
19719 * tree-cfg.c (bsi_replace): Rename final argument from
19720 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
19721 change (stmt -> orig_stmt).
19722 * tree-eh.c (verify_eh_throw_stmt_node): New function.
19723 (bsi_remove): Add new argument. Remove EH information
19725 (verify_eh_throw_table_statements): New function.
19726 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
19728 * tree-optimize.c (execute_free_cfg_annotations): Verify
19729 the EH throw statement table after removing annotations.
19730 * except.h (verify_eh_throw_table_statements): Prototype.
19731 * tree-flow.h (bsi_remove): Update prototype.
19732 * tree-vrp.c (remove_range_assertions): Add new argument to
19734 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
19735 * tree-complex.c (expand_complex_div_wide): Likewise.
19736 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
19737 * tree-tailcall.c (eliminate_tailcall): Likewise.
19738 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
19739 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
19740 * tree-nrv.c (tree_nrv): Likewise.
19741 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
19742 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
19743 (combine_blocks): Likewise.
19744 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
19745 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
19746 (cleanup_control_flow): Likewise.
19747 (remove_forwarder_block): Likewise.
19748 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
19749 * tree-sra.c (sra_replace): Likewise.
19750 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
19751 (forward_propagate_single_use_vars): Likewise.
19752 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
19753 * tree-inline.c (expand_call_inline): Likewise.
19754 * tree-vect-transform.c (vect_transform_loop): Likewise.
19755 * tree-outof-ssa.c (rewrite_trees): Likewise.
19756 * tree-cfg.c (make_goto_expr_edges): Likewise.
19757 (cleanup_dead_labels): Likewise.
19758 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
19759 (bsi_move_before, bsi_move_after): Likewise.
19760 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
19761 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
19763 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
19766 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
19768 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
19769 on non gimple variables. Also add checks at the top for decls and
19771 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
19773 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
19774 and IMAGPART_EXPR for creating MUST_DEFs.
19775 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
19776 and NAME_MEMORY_TAG separately from the DECLs.
19778 2006-01-06 Richard Guenther <rguenther@suse.de>
19780 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
19781 annotation, if necessary.
19782 * tree-ssa-pre.c (create_expression_by_pieces): Remove
19783 redundant calls to update_stmt.
19784 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
19787 2006-01-05 Richard Henderson <rth@redhat.com>
19789 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
19791 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19793 * c-typeck.c: Update copyright date.
19795 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19797 * c-typeck.c (build_c_cast): Always warn when casting
19798 from a pointer to an integer of different size, even if
19799 the node was constant.
19801 2006-01-05 Richard Guenther <rguenther@suse.de>
19803 PR tree-optimization/22555
19804 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
19805 if one structure field is an array.
19806 * tree-ssa-operands.c (get_expr_operands): Continue scanning
19807 operands even if we found a subvar, but ignore VOPs in this
19809 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
19811 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
19813 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
19815 PR middle-end/24998
19816 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
19818 2006-01-05 Richard Guenther <rguenther@suse.de>
19819 Diego Novillo <dnovillo@redhat.com>
19821 * tree-pass.h (TODO_remove_unused_locals): Define.
19822 * gimple-low.c (expand_var_p, remove_useless_vars,
19823 pass_remove_useless_vars): Remove. Update all users.
19824 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
19825 (remove_unused_locals): New function.
19826 * tree-flow.h (remove_unused_locals): Declare.
19827 * passes.c (execute_todo): Call remove_unused_locals if
19828 TODO_remove_unused_locals is set.
19829 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
19830 * tree-ssa-dce.c (pass_dce): Likewise.
19831 * tree-outof-ssa.c (pass_del_ssa): Likewise.
19833 2006-01-05 Richard Guenther <rguenther@suse.de>
19835 * tree-flow.h (struct fieldoff): Decompose field to
19836 type, size and decl.
19837 * tree-ssa-alias.c (create_sft): Take type as parameter.
19838 (create_overlap_variables_for): Store type, size and decl
19839 in the fieldoff structure.
19840 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
19841 of struct fieldoff.
19842 (push_fields_onto_fieldstack): Likewise.
19843 (create_variable_info_for): Likewise. Use offset for the
19844 SFT name if the decl is not available.
19846 2006-01-04 Paul Brook <paul@codesourcery.com>
19848 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
19850 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
19852 * lambda-code.c (can_put_in_inner_loop): Relax
19854 (can_put_after_inner_loop): New function.
19855 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
19856 (perfect_nestify): Change to make copies and modify uses.
19858 2006-01-04 Richard Henderson <rth@redhat.com>
19860 Merge from gomp branch:
19861 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
19862 via integer constant.
19863 (pragma_lex): Remove.
19864 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
19865 rather than parsing it.
19866 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
19867 handle_pragma_extern_prefix): Add %< %> quotes.
19868 (registered_pragmas): New.
19869 (c_register_pragma_1): New.
19870 (c_register_pragma): Use it.
19871 (c_register_pragma_with_expansion): Likewise.
19872 (c_invoke_pragma_handler): New.
19873 (init_pragma): Use cpp_register_deferred_pragma directly for
19875 * c-pragma.h (enum pragma_kind): New.
19876 (pragma_handler): New.
19877 (c_invoke_pragma_handler): Declare.
19878 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
19880 * c-common.h (c_common_pch_pragma): Update decl.
19881 * Makefile.in (c-parser.o): Update dependencies.
19882 (GTFILES): Add c-pragma.h.
19883 * c-parser.c (struct c_token): Add pragma_kind.
19884 (struct c_parser): Add in_pragma.
19885 (c_lex_one_token): Always initialize keyword and pragma_kind.
19886 Extract data for CPP_PRAGMA.
19887 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
19888 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
19889 Don't allow CPP_PRAGMA_EOL if in_pragma.
19890 (c_parser_consume_pragma): New.
19891 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
19892 (c_parser_skip_to_end_of_parameter): Likewise.
19893 (c_parser_skip_to_end_of_block_or_statement): Likewise.
19894 (c_parser_skip_to_pragma_eol): New.
19895 (c_parser_external_declaration): Handle CPP_PRAGMA.
19896 (c_parser_compound_statement_nostart): Likewise.
19897 (c_parser_statement_after_labels): Likewise.
19898 (c_parser_pragma): New.
19899 (pragma_lex): Likewise.
19900 (c_parser_pragma_pch_preprocess): New.
19901 (c_parser_new): Merge into ...
19902 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
19904 2006-01-04 Jeff Law <law@redhat.com>
19907 * tree-cfg.c (bsi_replace): Remove the original statement
19908 from the EH throw statement table.
19910 2006-01-04 Jakub Jelinek <jakub@redhat.com>
19912 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
19913 make the prototype extern "C" and add throw ().
19916 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
19917 and pos non-negative and pos + len <= 32.
19918 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
19919 drop pos + len < HOST_BITS_PER_WIDE_INT test.
19920 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
19923 * c-common.c (handle_vector_size_attribute): Reject zero vector size
19924 as well as sizes not multiple of component size.
19927 * function.c (instantiate_expr): New function.
19928 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
19929 walk its DECL_VALUE_EXPR with instantiate_expr.
19931 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
19932 DW_OP_deref{,_size} if address isn't going to be added.
19934 2006-01-04 Ben Elliston <bje@au.ibm.com>
19936 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
19937 * config/fp-bit.c: Likewise.
19939 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
19941 * dominance.c: Add comment about why we use DFS numbering
19944 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19945 Richard Henderson <rth@redhat.com>
19947 Merge from gomp-branch:
19948 * varasm.c (assemble_variable): Handle thread-local COMMON data.
19949 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
19951 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
19953 PR rtl-optimization/25578
19954 * combine.c (combine_simplify_rtx, force_to_mode): Don't
19955 pass a parameter to simplify_shift_const if changing ASHIFTRT
19958 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
19960 * builtins.c (get_builtin_sync_mem): New function.
19961 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
19962 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
19963 Call get_builtin_sync_mem to generate mem rtx.
19965 2006-01-03 Richard Guenther <rguenther@suse.de>
19968 * stmt.c (add_case_node): Make sure to clear overflow flags
19971 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19973 Merge from gomp-branch.
19974 * config/sparc/sync.md: New file.
19975 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
19976 UNSPECV_LDSTUB): New constants.
19977 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
19978 * config/sparc/predicates.md (memory_reg_operand): New predicate.
19979 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
19982 2006-01-03 Roger Sayle <roger@eyesopen.com>
19984 * combine.c (reg_subword_p): New predicate to test whether the
19985 destination of a set refers to a subword/piece of a register.
19986 (try_combine): Generalize the code to merge the setting of a
19987 pseudo to a constant followed by a set of a subword of that
19988 register to a constant.
19990 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
19992 * basic-block.h (control_flow_graph): Change the type of
19993 x_label_to_block_map to VEC(basic_block,gc) *.
19994 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
19995 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
19997 * tree-ssa-propagate.c (cfg_blocks): Change the type to
19998 VEC(basic_block,heap) *.
19999 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
20000 ssa_prop_fini): Adjust the uses of cfg_blocks.
20002 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
20004 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
20006 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
20007 hashing trees instead of a pointer hash.
20008 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
20009 compare for MEM_EXPR.
20011 PR rtl-optimization/25130
20012 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
20013 when comparing MEMs for GCSE
20015 2006-01-03 Ben Elliston <bje@au.ibm.com>
20017 * targhooks.h (default_decimal_float_supported_p): Declare.
20018 * targhooks.c (default_decimal_float_supported_p): Define.
20019 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
20020 `default_decimal_float_supported_p'.
20021 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
20023 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
20025 * combine.c (apply_distributive_law <SUBREG>): Check
20026 TRULY_NOOP_TRUNCATION.
20028 2006-01-02 Geoffrey Keating <geoffk@apple.com>
20030 * dwarf2out.c (have_switched_text_section): Delete.
20031 (have_multiple_function_sections): New.
20032 (have_location_lists): Make 'bool'.
20033 (add_AT_loc_list): Use 'true' not '1'.
20034 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
20035 (output_loc_list): Use have_multiple_function_sections.
20036 (output_ranges): Likewise.
20037 (dwarf2out_begin_function): Set have_multiple_function_sections if
20039 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
20040 Check function_section rather than DECL_SECTION_NAME.
20041 (dwarf2out_finish): Use have_multiple_function_sections.
20042 Don't clear have_location_lists.
20044 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
20045 Jan Hubicka <jh@suse.cz>
20047 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
20048 case of conditional jump jumping to the next instruction.
20049 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
20050 cases of conditional jump jumping to the next instruction.
20052 2006-01-02 Jan Hubicka <jh@suse.cz>
20054 * i386.c (*_cost): Add COSTS_N_INSNS.
20055 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
20057 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
20060 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
20062 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
20064 * config/arm/arm.c (all_fpus): Fix comment typo.
20065 * config/darwin.c: Likewise.
20066 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
20067 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
20068 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
20070 2006-01-01 David Edelsohn <edelsohn@gnu.org>
20072 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
20073 (rs6000_split_compare_and_swapqhi): New.
20074 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
20075 (sync_compare_and_swapqhi_internal): New.
20076 * config/rs6000/rs6000-protos.h: Declare.