1 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3 * regclass.c (reg_scan_update): Remove.
4 (reg_scan_mark_refs): Remove the last argument.
5 * rtl.h: Remove the prototype for reg_scan_update.
7 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
11 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
12 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
13 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
14 loop-invariant.c, omp-low.c, opts.c, passes.c,
15 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
16 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
17 tree-ssa-structalias.c, tree-ssa-threadedge.c,
18 tree-ssa-threadupdate.c, tree-vect-patterns.c,
19 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
20 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
22 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
24 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
25 * dwarf2out.h: Remove the prototype for
26 dwarf2out_add_library_unit_info.
28 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
30 * tree.c (add_var_to_bind_expr): Remove.
31 * tree.h: Remove the prototype for add_var_to_bind_expr.
33 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
35 * regclass.c (n_non_fixed_regs): Remove.
36 (init_reg_sets_1, globalize_reg): Remove all uses of
38 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
40 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
42 * rtlanal.c (insns_safe_to_move_p): Remove.
43 * rtl.h: Remove the prototype for insns_safe_to_move_p.
45 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
47 * expmed.c (expand_mult_add): Remove.
48 * expr.h: Remove the prototype for expand_mult_add.
50 2006-03-04 Jakub Jelinek <jakub@redhat.com>
52 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
53 and REG_SAVED_VAL_EXP constants.
54 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
55 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
56 Handle regs stored by value.
57 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
58 (execute_cfa_program): Handle DW_CFA_val_offset,
59 DW_CFA_val_offset_sf and DW_CFA_val_expression.
60 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
61 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
62 (uw_install_context_1): Handle target regs stored by value.
64 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
66 * tree-sra.c (tree_sra): Return todoflags;
67 (generate_one_element): Set TODO_update_smt_usage if needed.
68 (pass_sra): Remove TODO_update_smt_usage.
69 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
71 (tree_ssa_forward_propagate_single_use_vars): Return
72 TODO_update_smt_usage if we need to update SMT usage.
73 (pass_forwprop): Remove TODO_update_smt_usage.
75 2006-03-03 Diego Novillo <dnovillo@redhat.com>
77 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
78 (correct_use_link): Remove reference to get_stmt_operands.
79 (update_stmt_operands): Likewise.
80 (get_modify_expr_operands): New function factored out of
81 parse_ssa_operands and get_expr_operands.
82 Try to create V_MUST_DEFs for LHS by default.
83 (get_expr_operands) <case MODIFY_EXPR>: Call
84 get_modify_expr_operands.
85 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
86 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
87 (parse_ssa_operands) <case MODIFY_EXPR>: Call
88 get_modify_expr_operands.
90 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
92 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
93 * tree-flow.h: Remove the prototype for
94 referenced_var_lookup_if_exists.
96 2006-03-03 Steve Ellcey <sje@cup.hp.com>
98 PR rtl-optimization/26345
100 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
102 2006-03-03 Roger Sayle <roger@eyesopen.com>
104 PR tree-optimization/26524
105 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
106 fold_convert to create a constant of the appropriate type.
108 2006-03-03 Richard Sandiford <richard@codesourcery.com>
110 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
111 SYMBOL_REF_IN_BLOCK_P.
112 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
113 of SYMBOL_FLAG_IN_BLOCK.
114 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
115 instead of SYMBOL_REF_IN_BLOCK_P.
116 * explow.c (use_anchored_address): Likewise.
117 * rtl.c (rtx_size): Likewise.
118 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
119 instead of SYMBOL_FLAG_IN_BLOCK.
120 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
121 SYMBOL_REF_IN_BLOCK_P.
122 (assemble_variable): Likewise.
123 (output_constant_def_contents): Likewise.
124 (output_constant_pool): Likewise.
125 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
126 instead of SYMBOL_FLAG_IN_BLOCK.
127 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
128 SYMBOL_REF_IN_BLOCK_P.
129 (SYMBOL_REF_BLOCK): Likewise.
130 (SYMBOL_REF_OFFSET): Likewise.
131 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
132 SYMBOL_REF_IN_BLOCK_P.
133 (SYMBOL_FLAG_IN_BLOCK): Replace with...
134 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
135 (SYMBOL_REF_IN_BLOCK_P): Replace with...
136 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
138 2006-03-03 Jakub Jelinek <jakub@redhat.com>
140 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
142 2006-03-02 Roger Sayle <roger@eyesopen.com>
144 * simplify-rtx.c (simplify_unary_operation): When simplifying
145 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
146 that we perform the right shift in the appropriate mode, and
147 then extend or truncate the result to requested mode.
149 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
151 * gengtype.c (main): Handle double_int type.
152 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
153 * double-int.c: New file.
154 * double-int.h: New file.
155 * system.h: Include doubleint.h.
156 * Makefile.in (SYSTEM_H): Include double-int.h.
159 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
162 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
165 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
167 * tree-vrp.c (remove_range_assertions): Do not update statements
170 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
172 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
174 * gcse.c (rest_of_handle_gcse): Ditto.
175 * except.c (gate_handle_eh): Ditto.
176 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
177 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
179 2006-03-02 Eric Christopher <echristo@apple.com>
181 * config/i386/i386.c (machopic_output_stub): Add indirection to
184 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
188 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
190 Sun Niagara specific optimizations.
191 * config.gcc: Recognize niagara as target.
192 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
193 (TARGET_CPU_niagara): Define.
194 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
195 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
196 (CPP_CPU_SPEC): Handle -mcpu=niagara.
197 (ASM_CPU_SPEC): Likewise.
198 (PROCESSOR_NIAGARA): New enum entry.
199 (REGISTER_MOVE_COST): Handle Niagara.
200 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
201 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
202 (sparc_override_options): Recognize "niagara", set appropriate
203 default MASK_* values for it, and align functions to 32-bytes
204 by default just like ULTRASPARC/ULTRASPARC3.
205 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
206 (sparc64_initialize_trampoline): Likewise.
207 (sparc_use_sched_lookahead): Use zero for niagara.
208 (sparc_issue_rate): Use one for niagara.
209 * config/sparc/niagara.md: New file.
210 * config/sparc/sparc.md: Include it.
211 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
212 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
213 when default cpu is niagara.
214 (CPP_CPU_SPEC): Handle -mcpu=niagara.
215 (ASM_CPU_SPEC): Likewise.
216 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
217 when default cpu is niagara.
218 (ASM_CPU_SPEC): Handle -mcpu=niagara.
219 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
220 just like v9/ultrasparc/ultrasparc3.
221 * doc/invoke.texi: Add documentation for "niagara" and improve
222 existing documentation for ultrasparc variants.
224 2006-03-02 Diego Novillo <dnovillo@redhat.com>
226 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
228 2006-03-02 Richard Sandiford <richard@codesourcery.com>
230 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
231 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
232 and say that only one is needed.
233 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
234 * target.h (have_switchable_bss_sections): New hook.
235 * explow.c (use_anchored_address): Check that the symbol is in a block.
236 * varasm.c (tls_comm_section, comm_section, lcomm_section)
237 (bss_noswitch_section): New variables.
238 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
239 (get_noswitch_section): New function.
240 (get_block_for_section): Allow SECT to be null.
241 (unlikely_text_section_p): Use SECTION_STYLE.
242 (bss_initializer_p): New function.
243 (get_variable_section): Move earlier in file. Take a new argument,
244 prefer_noswitch_p. Move bss checks from assemble_variable to here.
245 Return one of the new *_sections in such cases.
246 (get_block_for_decl): New function, extracting some logic from
247 use_blocks_for_decl_p.
248 (change_symbol_section): Remove in favor of...
249 (change_symbol_block): ...this new function.
250 (use_blocks_for_decl_p): Remove checks now performed by
252 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
253 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
254 (emit_local, emit_bss, emit_common): ...these new functions.
255 Return true if the alignment was honored.
256 (emit_tls_common): New function.
257 (asm_emit_uninitialised): Delete.
258 (assemble_variable_noswitch): New function, split out from...
259 (assemble_variable): ...here. Don't make decisions about common
260 variables here. Globalize all public decls that go into non-common
261 sections. Check whether SYMBOL_REF_BLOCK is null.
262 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
263 (output_constant_pool): Likewise.
264 (init_varasm_once): Initialize the new section variables.
265 (have_global_bss_p): New function.
266 (categorize_decl_for_section): Use bss_initializer_p.
267 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
268 (place_block_symbol): Assert that the symbol must be in a block.
269 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
270 (TARGET_INITIALIZER): Include it.
271 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
272 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
273 (SECTION_MACH_DEP): Bump by two.
274 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
275 (unnamed_section): Mention SECTION_UNNAMED in comment.
276 (named_section): Likewise SECTION_NAMED.
277 (noswitch_section_callback): New type.
278 (noswitch_section): New structure.
279 (section): Add a noswitch_section alternative.
280 (SECTION_STYLE): New macro.
281 (tls_comm_section, comm_section, lcomm_section): Declare.
282 (bss_noswitch_section, have_global_bss_p): Declare.
283 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
284 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
286 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
287 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
290 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
292 * gcc/tree-vrp.c (execute_vrp): Return value.
293 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
294 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
295 * gcc/tree-complex.c (tree_lower_complex): Ditto.
296 (tree_lower_complex_O0): Ditto.
297 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
298 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
299 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
300 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
301 (execute_tail_calls): Ditto.
302 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
303 * gcc/tree.h (init_function_for_compilation): Ditto.
304 * gcc/ipa-cp.c (ipcp_driver): Ditto.
305 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
306 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
307 * gcc/final.c (compute_alignments): Ditto.
308 (rest_of_handle_final): Ditto.
309 (rest_of_handle_shorten_branches): Ditto.
310 (rest_of_clean_state): Ditto.
311 * gcc/omp-low.c (execute_expand_omp): Ditto.
312 (execute_lower_omp): Ditto.
313 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
314 * gcc/ipa-reference.c (static_execute): Ditto.
315 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
316 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
317 (rest_of_handle_machine_reorg): Ditto.
318 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
319 * gcc/flow.c (recompute_reg_usage): Ditto.
320 (rest_of_handle_remove_death_notes): Ditto.
321 (rest_of_handle_life): Ditto.
322 (rest_of_handle_flow2): Ditto.
323 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
324 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
325 (do_ssa_store_ccp): Ditto.
326 (execute_fold_all_builtins): Ditto.
327 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
328 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
329 * gcc/ipa-pure-const.c (static_execute): Ditto.
330 * gcc/cse.c (rest_of_handle_cse): Ditto.
331 (rest_of_handle_cse2): Ditto.
332 * gcc/web.c (rest_of_handle_web): Ditto.
333 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
334 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
335 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
336 * gcc/tree-nrv.c (tree_nrv): Ditto.
337 (execute_return_slot_opt): Ditto.
338 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
339 (create_structure_vars): Ditto.
340 * gcc/loop-init.c (rtl_loop_init): Ditto.
341 (rtl_loop_done): Ditto.
342 (rtl_move_loop_invariants): Ditto.
343 (rtl_unswitch): Ditto.
344 (rtl_unroll_and_peel_loops): Ditto.
346 * gcc/gimple-low.c (lower_function_body): Ditto.
347 (mark_used_blocks): Ditto.
348 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
349 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
350 (cgraph_early_inlining): Ditto.
351 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
352 * gcc/jump.c (cleanup_barriers): Ditto.
353 (purge_line_number_notes): Ditto.
354 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
355 (rest_of_handle_if_after_reload): Ditto.
356 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
357 (tree_ssa_loop_im): Ditto.
358 (tree_ssa_loop_unswitch): Ditto.
359 (tree_vectorize): Ditto.
360 (tree_linear_transform): Ditto.
361 (tree_ssa_loop_ivcanon): Ditto.
362 (tree_ssa_empty_loop): Ditto.
363 (tree_ssa_loop_bounds): Ditto.
364 (tree_complete_unroll): Ditto.
365 (tree_ssa_loop_prefetch): Ditto.
366 (tree_ssa_loop_ivopts): Ditto.
367 (tree_ssa_loop_done): Ditto.
368 * gcc/predict.c (tree_estimate_probability): Ditto.
369 * gcc/recog.c (split_all_insns_noflow): Ditto.
370 (rest_of_handle_peephole2): Ditto.
371 (rest_of_handle_split_all_insns): Ditto.
372 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
373 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
374 (rest_of_handle_stack_adjustments): Ditto.
375 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
376 * gcc/function.c (instantiate_virtual_regs): Ditto.
377 (init_function_for_compilation): Ditto.
378 (rest_of_handle_check_leaf_regs): Ditto.
379 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
380 (rest_of_handle_gcse): Ditto.
381 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
382 * gcc/alias.c (rest_of_handle_cfg): Ditto.
383 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
384 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
385 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
386 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
387 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
388 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
389 * gcc/except.c (set_nothrow_function_flags): Ditto.
390 (convert_to_eh_region_ranges): Ditto.
391 (rest_of_handle_eh): Ditto.
392 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
393 (remove_unnecessary_notes): Ditto.
394 * gcc/except.h (set_nothrow_function_flags): Ditto.
395 (convert_to_eh_region_ranges): Ditto.
396 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
397 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
398 * gcc/tree-ssa-pre.c (do_pre): Ditto.
399 (execute_fre): Ditto.
400 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
401 (rest_of_handle_jump2): Ditto.
402 * gcc/tree-sra.c (tree_sra): Ditto.
403 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
404 (execute_mudflap_function_decls): Ditto.
405 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
406 (do_store_copy_prop): Ditto.
407 * gcc/ipa-prop.h (ipcp_driver): Ditto.
408 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
409 * gcc/tree-ssa-forwprop.c
410 (tree_ssa_forward_propagate_single_use_vars): Ditto.
411 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
412 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
413 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
414 (execute_late_warn_uninitialized): Ditto.
415 * gcc/rtl.h (cleanup_barriers): Ditto.
416 (split_all_insns_noflow): Ditto.
417 (purge_line_number_notes): Ditto.
418 (unshare_all_rtl): Ditto.
419 (remove_unnecessary_notes): Ditto.
420 (recompute_reg_usage): Ditto.
421 (variable_tracking_main): Ditto.
422 * gcc/integrate.c (emit_initial_value_sets): Ditto.
423 * gcc/integrate.h (emit_initial_value_sets): Ditto.
424 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
425 (execute_free_cfg_annotations): Ditto.
426 (execute_fixup_cfg): Ditto.
427 (execute_cleanup_cfg_pre_ipa): Ditto.
428 (execute_cleanup_cfg_post_optimizing): Ditto.
429 (execute_init_datastructures): Ditto.
430 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
431 * gcc/combine.c (rest_of_handle_combine): Ditto.
432 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
433 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
434 (rest_of_handle_reorder_blocks): Ditto.
435 (rest_of_handle_partition_blocks): Ditto.
436 * gcc/var-tracking.c (variable_tracking_main): Ditto.
437 * gcc/tree-profile.c (tree_profiling): Ditto.
438 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
439 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
440 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
441 (rest_of_handle_sched2): Ditto.
442 * gcc/basic-block.h (free_bb_insn): Ditto.
443 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
444 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
445 (remove_useless_stmts): Ditto.
446 (split_critical_edges): Ditto.
447 (execute_warn_function_return): Ditto.
448 (execute_warn_function_noreturn): Ditto.
449 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
450 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
451 * gcc/passes.c (execute_one_pass): Run additional
452 todos returned by execute function.
453 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
456 2006-03-02 Richard Guenther <rguenther@suse.de>
458 * tree-ssa-alias.c (find_used_portions): Consider taking
459 the address as making the variable not write-only.
461 2006-03-02 Nick Clifton <nickc@redhat.com>
463 * config.gcc (default_use_cxa_atexit): Extend the description of
464 this configure variable. Set its default value to "yes" for
465 Linux, NetBSD and ELF targets on the assumption that they will
466 use C libraries with the __cxa_atexit function.
468 2006-03-02 Ben Elliston <bje@au.ibm.com>
470 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
471 parameter as unused to suppress a build warning.
473 2006-03-02 Ben Elliston <bje@au.ibm.com>
475 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
478 2006-03-01 Roger Sayle <roger@eyesopen.com>
481 * gthr-posix.h (__gthrw2): Define to take three parameters, the
482 declared name, the weak reference name, and the typeof name.
483 (__gthrw): Avoid expanding the declared name suffix.
484 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
486 2006-03-01 Jakub Jelinek <jakub@redhat.com>
488 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
490 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
491 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
492 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
493 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
494 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
495 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
496 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
497 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
498 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
499 DW_DS_leading_separate, DW_DS_trailing_separate): New.
500 (DW_END_default, DW_END_big, DW_END_little): New.
501 (DW_END_lo_user, DW_END_hi_user): Define.
502 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
503 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
504 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
507 2006-03-01 Diego Novillo <dnovillo@redhat.com>
509 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
511 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
513 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
515 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
517 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
520 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
523 2006-03-01 Roger Sayle <roger@eyesopen.com>
525 * builtins.c (fold_builtin_copysign): Delete unreachable code.
527 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
530 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
531 MACHO_DYNAMIC_NO_PIC_P.
532 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
534 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
537 * config/darwin-protos.h (darwin_asm_output_anchor):
539 * config/darwin-sections.def (cstring_section):
540 Add SECTION_MERGE to the flags.
541 (literal4_section): Likewise.
542 (literal8_section): Likewise.
543 (objc_selector_refs_section): Likewise.
544 (objc_cls_refs_section): Likewise.
545 * config/darwin.c (darwin_asm_output_anchor): New
547 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
549 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
551 Fix PR tree-optimization/26443
552 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
553 to todo and PROP_tmt_usage to properties_destroyed.
554 * tree-ssa-ccp.c (pass_ccp): Ditto.
555 (pass_store_ccp): Ditto.
556 * tree-ssa-dom.c (pass_dominator): Ditto.
558 2006-03-01 Diego Novillo <dnovillo@redhat.com>
560 * tree-ssa-operands.c: Cleanup whitespace.
561 (get_asm_expr_operands): Move before first invocation.
562 (get_indirect_ref_operands): Likewise.
563 (get_tmr_operands): Likewise.
564 (get_call_expr_operands): Likewise.
565 (append_def): Likewise.
566 (append_use): Likewise.
567 (append_v_may_def): Likewise.
568 (append_v_must_def): Likewise.
569 (add_call_clobber_ops): Likewise.
570 (add_call_read_ops): Likewise.
571 (add_stmt_operand): Likewise.
572 (add_virtual_operand): Likewise.
573 (build_ssa_operands): Likewise.
575 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
580 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
581 with a call expr to ...
582 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
584 2006-03-01 Diego Novillo <dnovillo@redhat.com>
586 * tree-vrp.c (extract_range_from_assert): Remove special
587 handling for types with super-types.
589 2006-03-01 Ben Elliston <bje@au.ibm.com>
591 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
592 and powerpc64-*-linux* configurations.
593 * config/t-dfprules: New file.
595 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
596 Compile dfp-bit.c from the source directory using -DWIDTH and
597 $DFP_CFLAGS to control the compilation of that file, rather than
598 generating width-specific versions in the build directory.
599 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
600 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
602 2006-02-28 Zack Weinberg <zackw@panix.com>
604 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
607 2006-02-28 Eric Christopher <echristo@apple.com>
609 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
610 Set up IN_LIBGCC definition of TARGET_64BIT.
611 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
613 2006-02-28 Roger Sayle <roger@eyesopen.com>
616 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
617 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
618 cases via the construction of "expr != 0".
620 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
622 * alias.c (alias_invariant, alias_invariant_size): Remove.
623 (record_base_value): Remove.
624 (memrefs_conflict_p): Don't look at alias_invariant.
625 (end_alias_analysis): Don't free it.
626 * alias.h (record_base_value): Remove prototype.
628 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
629 Adam Nemet <anemet@caviumnetworks.com>
631 * rtl.h (truncated_to_mode): Declare it.
632 (struct rtl_hooks): Add reg_truncated_to_mode hook.
633 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
634 (RTL_HOOKS_INITIALIZER): Include it.
635 * rtlhooks.c (reg_truncated_to_mode_general): New function.
636 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
637 reg_truncated_to_mode.
638 * rtlanal.c (truncated_to_mode): Define it.
639 * simplify-rtx.c (simplify_unary_operation_1): Use it.
641 2006-02-28 Jeff Law <law@redhat.com>
643 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
644 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
645 the range allowed by TYPE_PRECISION.
647 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
649 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
651 PR tree-optimization/26419
652 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
655 2006-02-27 Zack Weinberg <zackw@panix.com>
657 * doc/md.texi: Fix typo in previous change.
659 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
663 2006-02-27 Zack Weinberg <zackw@panix.com>
665 * rtl.def (define_constraint, define_register_constraint)
666 (define_memory_constraint, define_address_constraint): New MD forms.
667 * gensupport.c (process_rtx): Put define_constraint etc on the
669 * genpreds.c (process_define_predicate): Adjust comment. Validate
670 the name, and call validate_exp to validate the expression.
671 (mark_mode_tests, write_extract_subexp): Can assume correct input.
672 (write_predicate_expr): Likewise. NAME argument no longer necessary;
674 (validate_exp, needs_variable, struct constraint_data)
675 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
676 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
677 (const_dbl_constraints, constraint_max_namelen)
678 (have_register_constraints, have_memory_constraints)
679 (have_address_constraints, have_address_constraints)
680 (have_extra_constraints, have_const_int_constraints)
681 (have_const_dbl_constraints, mangle, add_constraint)
682 (process_define_constraint, process_define_register_constraint)
683 (write_enum_constraint_num, write_lookup_constraint)
684 (write_insn_constraint_len, write_regclass_for_constraint)
685 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
686 (write_insn_extra_memory_constraint)
687 (write_insn_extra_address_constraint)
688 (write_satisfies_constraint_fns): New.
689 (write_tm_preds_h): If we have new-style constraint definitions,
690 prototype the functions generated from them, and define the
691 old constraint interface (still used by generic code) in terms of
693 (write_insn_preds_c): If we have new-style constraint definitions,
694 generate all relevant functions from those definitions.
695 (main): Handle define_constraint etc.
696 * genoutput.c (struct constraint_data, indep_constraints)
697 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
698 (mdep_constraint_len): New data structures and functions, defined
699 #ifdef USE_MD_CONSTRAINTS.
700 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
701 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
702 use new logic to validate operand constraints against constraint
704 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
706 * defaults.h: If none of the old-style constraint macros are
707 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
708 old-style macros; and poison REG_CLASS_FROM_LETTER,
709 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
711 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
712 * doc/md.texi: Document new constraint-definition mechanism and the
713 C interface it provides. Remove references to old mechanism
714 elsewhere in the document.
715 (Machine Constraints): Use pathnames relative to gcc directory,
716 i.e. config/ARCH/FILE. Change i386 section to refer to
717 config/i386/predicates.md; update that section to match docstrings.
718 * doc/tm.texi: Move all documentation of the old constraint-
719 definition macros to their own section, clearly mark as obsolete.
721 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
722 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
724 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
725 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
726 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
728 (splits and peepholes): Use satisfies_constraint_*.
729 * config/i386/i386.c (memory_address_length)
730 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
732 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
734 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
735 scalar operation to be put back into the loop.
737 2006-02-27 Jakub Jelinek <jakub@redhat.com>
740 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
741 (extract_cie_info): Handle S flag in augmentation string.
742 (execute_cfa_program): If context->signal_frame, execute also
743 fs->pc == context->ra instructions.
744 (uw_frame_state_for): If context->signal_frame, don't subtract one
745 from context->ra to find FDE.
746 (uw_update_context_1): Set context->signal_frame to
748 (_Unwind_GetIPInfo): New function.
749 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
750 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
752 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
753 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
754 * unwind-compat.c (_Unwind_GetIPInfo): New function.
755 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
756 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
757 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
758 * config/i386/linux-unwind.h (x86_fallback_frame_state,
759 x86_64_fallback_frame_state): Set fs->signal_frame.
760 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
761 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
762 (frob_update_context): Likewise. Workaround missing S flag in
763 Linux 2.6.12 - 2.6.16 kernel vDSOs.
764 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
765 Remove the psw_addr + 1 hack.
767 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
769 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
770 with aggregates here.
771 (find_func_aliases): Remove code for &<aggregate> from here.
773 2006-02-26 Roger Sayle <roger@eyesopen.com>
775 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
776 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
777 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
780 2006-02-26 Roger Sayle <roger@eyesopen.com>
783 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
785 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
787 * opts.c (decode_options): Do not handle flag_strength_reduce.
788 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
789 and OPT_fstrength_reduce.
790 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
791 flag_prefetch_loop_arrays for being nonzero.
792 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
794 (fprefetch-loop-arrays-rtl): Removed.
795 (flag_prefetch_loop_arrays): Do not specify the value.
797 * doc/passes.texi: Update documentation of loop optimizer
799 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
800 -frerun-loop-opt): Remove.
802 2006-02-26 Richard Guenther <rguenther@suse.de>
804 PR tree-optimization/26421
805 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
806 in function calls that are ADDR_EXPRs as using the whole structure.
808 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
810 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
811 * tree-pass.h (pass_loop_optimize): Remove.
812 * passes.c (pass_loop_optimize): Never run it.
813 * toplev.c (backend_init): Don't call init_loop.
814 * opts.c (flag_loop_optimize_set): Remove.
815 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
816 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
817 the old RTL loop optimizer when profiling enabled.
818 * predict.c (tree_estimate_probability): Always strip builtin_expect.
819 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
820 pre-headers for the sake of the old RTL loop optimizer.
821 * Makefile.in: Remove all references to loop.o.
823 * doc/invoke.texi: Remove all references to -floop-optimize
824 and -frerun-loop-opt.
826 2006-02-26 Zack Weinberg <zackw@panix.com>
828 * doc/md.texi (Machine Constraints): Refer to all files with paths
829 relative to gcc directory (i.e. config/CPU/file). Add missing
830 @table @code ... @end table to M32C subsection.
832 2006-02-26 Roger Sayle <roger@eyesopen.com>
834 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
836 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
838 2006-02-26 Roger Sayle <roger@eyesopen.com>
839 James A. Morrison <phython@gcc.gnu.org>
842 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
843 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
844 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
845 signedness of the shift operation.
847 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
849 PR tree-optimization/26359
850 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
852 2006-02-25 Roger Sayle <roger@eyesopen.com>
854 * simplify-rtx.c (simplify_relational_operation_1): Simplify
855 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
856 as X == 0, and some symmetry related transformations.
857 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
859 2006-02-25 Roger Sayle <roger@eyesopen.com>
862 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
863 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
864 symmetry related transformations. Fold (X^C1) == C2 as
867 2006-02-25 Juergen Weigert <jw@suse.de>
868 Richard Guenther <rguenther@suse.de>
870 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
872 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
874 * combine.c (gen_lowpart_or_truncate): Call
875 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
877 2006-02-24 Diego Novillo <dnovillo@redhat.com>
879 * doc/invoke.texi: Move -fopenmp description to "Options for
881 Remove reference to -lgomp.
883 2006-02-24 David Edelsohn <edelsohn@gnu.org>
885 * doc/install.texi: Require GNU tar version 1.14.
887 2006-02-24 Geoffrey Keating <geoffk@apple.com>
889 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
890 * doc/invoke.texi (C++ Dialect Options): Document
891 -fno-use-cxa-get-exception-ptr.
892 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
893 * configure: Regenerate.
894 * c.opt (fuse-cxa-get-exception-ptr): New.
895 * c-opts.c (c_common_handle_option): Handle
896 OPT_fuse_cxa_get_exception_ptr.
897 * c-common.c (flag_use_cxa_atexit): Update documentation.
898 (flag_use_cxa_get_exception_ptr): New.
899 * c-common.h (flag_use_cxa_get_exception_ptr): New.
900 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
902 (C_COMMON_OVERRIDE_OPTIONS): New.
904 2006-02-24 Roger Sayle <roger@eyesopen.com>
907 * combine.c (try_combine): Explicitly check whether GET_CODE is
908 a SET or a CLOBBER, instead on checking that it isn't a USE.
910 2006-02-24 Roger Sayle <roger@eyesopen.com>
912 * fold-const.c (fold_comparison): New subroutine of fold_binary
913 containing transformations common to both the equality and
914 ordering relational operators, factored out of fold_binary.
915 (fold_binary): Separate out the equality operators (EQ_EXPR
916 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
917 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
918 transformations common to both.
919 (fold_div_compare): Fix latent bugs in the previously unreachable
920 LT_EXPR and GE_EXPR cases.
922 2006-02-24 David Edelsohn <edelsohn@gnu.org>
924 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
925 decl libname for clog to __clog on AIX.
927 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
929 2006-02-24 Alan Modra <amodra@bigpond.net.au>
932 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
933 output traceback table for thunks. Localise rs6000_stack_info call.
935 2006-02-23 Roger Sayle <roger@eyesopen.com>
936 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
938 * gthr-posix.h (__gthrw): Fix typo in comment.
940 2006-02-23 Geoffrey Keating <geoffk@apple.com>
942 * doc/cpp.texi (Character sets): Document that we do support
943 input files to be in any character set.
945 2006-02-23 Jeff Law <law@redhat.com>
947 * tree.h (PHI_ARG_NONZERO): Remove.
948 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
949 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
950 node to the new node.
952 PR tree-optimization/26425
953 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
954 min/max, then assume its varying.
956 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
958 PR rtl-optimization/26316
959 * rtlanal.c (enum may_trap_p_flags): New.
960 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
961 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
962 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
963 (may_trap_after_code_motion_p): New function.
964 * loop-invariant.c (find_identical_invariants): Fix dump formating.
965 (find_invariant_insn): Use may_trap_after_code_motion_p.
966 * rtl.h (may_trap_after_code_motion_p): Declare.
968 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
970 * emit-rtl.c (immed_double_const): Cleanup.
972 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
974 Fix PR tree-optimization/26376
975 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
978 2006-02-23 Jakub Jelinek <jakub@redhat.com>
981 * gimplify.c (omp_add_variable): Guard variable size decl test with
982 DECL_SIZE (decl) check.
984 2006-02-23 Richard Guenther <rguenther@suse.de>
987 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
988 like aggregate types.
990 2006-02-23 Jakub Jelinek <jakub@redhat.com>
992 * configure.ac: Add --with{,out}-long-double-128 configure option.
993 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
994 * configure: Rebuilt.
995 * config.in: Rebuilt.
996 * doc/install.texi (Options specification): Document
997 --with-long-double-128.
999 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1000 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1001 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1002 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1004 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
1006 * config/s390/s390.c (override_options): Handle
1007 TARGET_DEFAULT_LONG_DOUBLE_128.
1009 * config/alpha/alpha.c (override_options): Handle
1010 TARGET_DEFAULT_LONG_DOUBLE_128.
1012 * config/sparc/sparc.c (sparc_override_options): Handle
1013 TARGET_DEFAULT_LONG_DOUBLE_128.
1015 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
1017 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
1018 (real-install-headers-tar, real-install-headers-cpio)
1019 (real-install-headers-cp): New targets.
1021 2006-02-22 Richard Sandiford <richard@codesourcery.com>
1023 * tree.h (variable_section): Delete.
1024 * varasm.c (variable_section): Delete.
1026 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
1028 * install.texi: Add notes on install.texi2html.
1029 (Building in parallel): Do not use footnotes.
1031 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
1034 * doc/install.texi (Configuration): Document --disable-libgomp.
1036 2006-02-21 Geoffrey Keating <geoffk@apple.com>
1038 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
1040 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1042 * config/i386/sse.md (vec_extractv2df_1_sse): New.
1043 (vec_extractv2df_0_sse): New.
1045 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1047 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
1048 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
1049 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
1050 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
1051 to the result of the expression.
1052 (def_cfa_1): Adjust.
1053 (frame_pointer_cfa_offset): Rename to...
1054 (frame_pointer_fb_offset): ... this. Adjust all uses.
1055 (convert_cfa_to_loc_list): Rename to...
1056 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
1057 Pass it on to build_cfa_loc.
1058 (compute_frame_pointer_to_cfa_displacement): Rename to...
1059 (compute_frame_pointer_to_fb_displacement): ... this. New
1060 offset parameter. Use it in computation.
1061 (gen_subprogram_die): Compute cfa_fb_offset with the new
1062 macro, and use it to compute the fb loc list and the
1065 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
1067 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
1068 replaced with register_operand.
1069 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
1070 non-DREG is expensive.
1071 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
1072 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
1075 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
1077 * doc/install.texi2html: Use set -e.
1079 2006-02-21 Richard Sandiford <richard@codesourcery.com>
1081 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1082 (ASM_OUTPUT_SHARED_LOCAL): Delete.
1083 * doc/invoke.texi (-fshared-data): Delete.
1084 * common.opt (fshared-data): Delete.
1085 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
1086 (assemble_static_space): Remove #if 0 code.
1087 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1088 (ASM_OUTPUT_SHARED_LOCAL): Poison.
1089 * config/cris/cris.h: Remove FIXME.
1091 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
1093 * doc/sourcebuild.texi (Front End Directory): No more double-colon
1096 2006-02-21 Jakub Jelinek <jakub@redhat.com>
1099 * combine.c (simplify_shift_const_1): Disable nested shifts
1100 optimization for vector shifts.
1102 2006-02-20 Roger Sayle <roger@eyesopen.com>
1104 PR tree-optimization/26361
1105 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
1106 of unsigned integer types.
1108 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
1110 * tree-chrec.c (eq_evolutions_p): New.
1111 * tree-chrec.h (eq_evolutions_p): Declared.
1112 * tree-data-ref.c: Fix formatting.
1113 (datadep_stats, dependence_stats): New.
1115 (print_direction_vector): New.
1116 (dump_data_dependence_relation): Use print_direction_vector.
1117 (object_analysis, create_data_ref): Handle COMPONENT_REF.
1118 (compute_subscript_distance): Static.
1119 (initialize_data_dependence_relation): Static. Get the number
1120 of loops surrounding the references from the callers, and initialize
1121 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
1122 base_object_differ_p analyzers.
1123 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
1124 compute_overlap_steps_for_affine_1_2,
1125 analyze_subscript_affine_affine): Count the classified dependences.
1126 Print a message when a test failed.
1127 (can_use_analyze_subscript_affine_affine): New.
1128 (analyze_siv_subscript): Compute the data dependences on symbolic
1129 scevs that verify can_use_analyze_subscript_affine_affine.
1130 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
1131 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
1132 Handle symbolic scevs.
1133 (analyze_overlapping_iterations): Let symbolic affine scevs to be
1135 (subscript_dependence_tester): Moved...
1136 (build_classic_dist_vector, build_classic_dir_vector): Don't use
1137 lambda_vector_clear on newly allocated vectors. Get nb_loops from
1138 DDR_SIZE_VECT instead of getting it in parameter.
1139 (subscript_dependence_tester): ... here. Take as a parameter
1140 loop_nest_depth. Call build_classic_dist_vector and
1141 build_classic_dir_vector.
1142 (compute_affine_dependence): Update subscript_dependence_tester
1143 parameters. Update datadep_stats counters. Call
1144 compute_subscript_distance.
1145 (compute_self_dependence): Save the dist and dir vectors. Call
1146 compute_subscript_distance.
1147 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
1148 (compute_all_dependences): Reorder parameters as they were before
1149 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
1150 compute_subscript_distance. Update the use of
1151 compute_affine_dependence and initialize_data_dependence_relation.
1152 (find_data_references_in_loop): Handle COMPONENT_REF.
1153 (compute_data_dependences_for_loop): Initialize dependence_stats.
1154 Don't call build_classic_dist_vector and build_classic_dir_vector.
1155 Update the parameters of initialize_data_dependence_relation and
1156 compute_all_dependences. Print the statistics from datadep_stats.
1157 (analyze_all_data_dependences): Static. Not used until the pass for
1158 checking the data dependences is contributed.
1159 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
1160 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
1161 (initialize_data_dependence_relation, compute_affine_dependence,
1162 analyze_all_data_dependences, compute_subscript_distance): Removed.
1163 (print_direction_vector): New.
1164 * lambda.h (gcd): ... here.
1165 (lambda_vector_gcd): Moved here from gcd_vector.
1166 * lambda-code.c (gcd, gcd_vector): Removed.
1167 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
1168 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
1170 2006-02-20 Diego Novillo <dnovillo@redhat.com>
1172 * ipa-type-escape.c: Tidy some comments and white space.
1173 * tree-ssa-operands.c: Likewise.
1175 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
1178 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
1179 (dump_decl_name): Do not walk the decl tree chains.
1180 * tree-pass.h (TDF_CHAIN): Remove.
1182 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1184 * Makefile.in (C): Remove
1186 (.PHONY): Remove C and PROTO
1188 2006-02-20 Roger Sayle <roger@eyesopen.com>
1191 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
1192 deprecated CHAR_TYPE tree code.
1194 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1196 * configure.ac (target_list): Add install-info, dvi, html.
1197 * configure: Regenerate.
1199 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
1200 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
1201 treelang/Make-lang.in: Do not use double-colon rules.
1203 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
1205 * tree.h (struct tree_memory_tag): Add is_used_alone member.
1206 (TMT_USED_ALONE): New macro.
1207 * tree-pass.h (PROP_tmt_usage): New property.
1208 (TODO_update_tmt_usage): New todo.
1209 * tree-ssa-alias.c (updating_used_alone): New variable.
1210 (recalculate_used_alone): New function.
1211 (compute_may_aliases): Set updating_used_alone, call
1212 recalculate_used_alone.
1213 * tree-sra.c (pass_sra): Note that this pass destroys
1214 PROP_tmt_usage, and add TODO_update_tmt_usage.
1215 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1216 * tree-flow.h (updating_used_alone): Prototype.
1217 (recalculate_used_alone): Ditto.
1218 * passes.c (execute_todo): Add code to set updating_used_alone,
1219 and call recalculate.
1220 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
1221 for clobber if used alone, and add assert to verify used_alone
1224 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
1226 * config/s390/s390.c (legitimize_pic_address): Assertions checking
1227 for non tls symbols added.
1228 (legitimize_address): Do nothing for PLUS expressions if one of the
1229 addends is a tls symbol reference.
1231 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1235 * Makefile.in (LDFLAGS): Define from autoconf substitution.
1237 * Makefile.in (BOOTSTRAPPING): New.
1238 (quickstrap): New definition if BOOTSTRAPPING=yes.
1240 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
1241 * configure.ac: Substitute all_selected_languages with the languages
1242 that were configured. For all the other variables except
1243 lang_specs_files, include all the languages in the tree.
1244 * configure: Regenerate.
1246 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
1247 if there is one. Run the commands to run fixincludes in the same
1250 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
1251 * doc/install.texi: Document exact conventions for searching target tools.
1252 Document --with-build-time-tools. Document toplevel bootstrap. Document
1253 something more about building an Ada cross-compiler. Don't list GNU Make
1254 requirements which affect all platforms.
1256 2006-02-19 Roger Sayle <roger@eyesopen.com>
1259 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
1260 only equivalent if the have both the same mode and precision.
1262 2006-02-20 Ben Elliston <bje@au.ibm.com>
1264 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
1266 2006-02-19 Roger Sayle <roger@eyesopen.com>
1267 Steven Bosscher <stevenb.gcc@gmail.com>
1269 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
1270 constant pool references to identify stack mode constants.
1271 * rtlanal.c (constant_pool_constant_p): New predicate to check
1272 whether operand is a floating point constant in the pool.
1273 * rtl.h (constant_pool_constant_p): Prototype here.
1274 * loop.c (scan_loop): Avoid hoisting constants from the constant
1275 pool on STACK_REGS targets.
1276 (load_mems): Likewise.
1277 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
1278 loads into x87 registers expensive in terms of register pressure.
1280 2006-02-19 Roger Sayle <roger@eyesopen.com>
1282 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
1283 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
1285 2006-02-19 David Edelsohn <edelsohn@gnu.org>
1287 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
1288 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
1290 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
1292 * doc/invoke.texi: Document -fipa-pta.
1293 * common.opt: Add ipa-pta option.
1294 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
1295 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
1296 (do_ds_constraint): Ditto.
1297 (get_constraint_for): Only add to referenced_vars if
1298 referenced_vars exists.
1299 (insert_into_field_list): Rewrite to do this unsorted.
1300 (insert_into_field_list_sorted): Rename old insert_into_field_list
1302 (create_function_info_for): Use insert_into_field_list_sorted.
1303 (create_variable_info_for): Rewrite so it uses unsorted version,
1304 since the field list is sorted.
1305 (intra_create_variable_infos): Only add to referenced_vars if
1306 referenced_vars exists.
1307 (ipa_pta_execute): Init heapvars, and delete when done.
1308 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
1310 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1312 * doc/install.texi: Add missing `@samp'.
1314 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1316 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
1319 2006-02-18 Mark Wielaard <mark@klomp.org>
1321 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
1322 who added new 4.1 features, bug fixes and integration support.
1324 2006-02-18 David Edelsohn <edelsohn@gnu.org>
1327 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
1330 2006-02-18 Richard Sandiford <richard@codesourcery.com>
1332 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
1333 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
1334 (copy_insn_1): Likewise. Don't copy each field individually.
1336 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
1338 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
1339 * rtl.c (rtx_size): Rename variable to...
1340 (rtx_code_size): ...this.
1341 (rtx_size): New function.
1342 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
1343 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
1345 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
1346 * rtl.h (rtx_code_size): New variable.
1347 (rtx_size): Change from a variable to a function.
1348 (RTX_SIZE): Rename to...
1349 (RTX_CODE_SIZE): ...this.
1352 PR tree-optimization/17106
1353 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
1354 (Anchored Addresses): New section.
1355 * doc/invoke.texi (-fsection-anchors): Document.
1356 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
1357 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
1358 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
1359 * hooks.c (hook_bool_mode_rtx_false): New function.
1360 * hooks.h (hook_bool_mode_rtx_false): Declare.
1361 * gengtype.c (create_optional_field): New function.
1362 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
1363 SYMBOL_REF_IN_BLOCK_P is true.
1364 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
1365 (min_anchor_offset, max_anchor_offset): Likewise.
1366 (use_anchors_for_symbol_p): New hook.
1367 * toplev.c (compile_file): Call output_object_blocks.
1368 (target_supports_section_anchors_p): New function.
1369 (process_options): Check that -fsection-anchors is only used on
1370 targets that support it and when -funit-at-a-time is in effect.
1371 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
1372 if the decl doesn't have one.
1373 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
1374 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
1375 of force_const_mem through use_anchored_address.
1376 (expand_expr_constant): New function.
1377 (expand_expr_addr_expr_1): Call it. Use the same modifier when
1378 calling expand_expr for INDIRECT_REF.
1379 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
1380 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
1381 * expr.h (use_anchored_address): Declare.
1382 * loop-unroll.c: Don't declare rtx vectors here.
1383 * explow.c: Include output.h.
1384 (validize_mem): Call use_anchored_address.
1385 (use_anchored_address): New function.
1386 * common.opt (-fsection-anchors): New switch.
1387 * varasm.c (object_block_htab, anchor_labelno): New variables.
1388 (hash_section, object_block_entry_eq, object_block_entry_hash)
1389 (use_object_blocks_p, get_block_for_section, create_block_symbol)
1390 (use_blocks_for_decl_p, change_symbol_section): New functions.
1391 (get_variable_section): New function, split out from assemble_variable.
1392 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
1393 use_blocks_for_decl_p say so. Use change_symbol_section if the
1394 symbol has already been created.
1395 (assemble_variable_contents): New function, split out from...
1396 (assemble_variable): ...here. Don't output any code for
1397 block symbols; just pass them to place_block_symbol.
1398 Use get_variable_section and assemble_variable_contents.
1399 (get_constant_alignment, get_constant_section, get_constant_size): New
1400 functions, split from output_constant_def_contents.
1401 (build_constant_desc): Create a block symbol if use_object_blocks_p
1402 says so. Or into SYMBOL_REF_FLAGS.
1403 (assemble_constant_contents): New function, split from...
1404 (output_constant_def_contents): ...here. Don't output any code
1405 for block symbols; just pass them to place_section_symbol.
1406 Use get_constant_section and get_constant_alignment.
1407 (force_const_mem): Create a block symbol if use_object_blocks_p and
1408 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
1409 (output_constant_pool_1): Add an explicit alignment argument.
1410 Don't switch sections here.
1411 (output_constant_pool): Adjust call to output_constant_pool_1.
1412 Switch sections here instead. Don't output anything for block symbols;
1413 just pass them to place_block_symbol.
1414 (init_varasm_once): Initialize object_block_htab.
1415 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
1416 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
1417 (place_block_symbol, get_section_anchor, output_object_block)
1418 (output_object_block_htab, output_object_blocks): New functions.
1419 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
1420 (TARGET_ASM_OUT): Include it.
1421 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
1422 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
1423 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
1424 (TARGET_INITIALIZER): Include them.
1425 * rtl.c (rtl_check_failed_block_symbol): New function.
1426 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
1427 (block_symbol, object_block): New structures.
1428 (rtx_def): Add a block_symbol field to the union.
1429 (BLOCK_SYMBOL_CHECK): New macro.
1430 (rtl_check_failed_block_symbol): Declare.
1431 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
1432 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
1433 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
1434 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
1435 * output.h (output_section_symbols): Declare.
1436 (object_block): Name structure.
1437 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
1438 (default_use_anchors_for_symbol_p): Declare.
1439 * Makefile.in (RTL_BASE_H): Add vec.h.
1440 (explow.o): Depend on output.h.
1441 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
1442 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1443 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1444 (rs6000_use_blocks_for_constant_p): New function.
1446 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1448 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
1450 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1453 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
1456 2006-02-18 Diego Novillo <dnovillo@redhat.com>
1458 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
1462 2006-02-18 Jakub Jelinek <jakub@redhat.com>
1465 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
1466 instead of DECL_REGISTER.
1468 2006-02-18 Olivier Hainque <hainque@adacore.com>
1471 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
1473 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
1476 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
1477 * opth-gen.awk: Handle Var and InverseMask together.
1478 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
1479 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
1480 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
1481 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
1483 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1484 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1485 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
1486 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1487 LINUX_DYNAMIC_LINKER): Define.
1488 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
1489 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
1491 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1492 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
1493 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1494 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1495 (TARGET_C99_FUNCTIONS): Don't define.
1496 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
1497 GLIBC_DYNAMIC_LINKER.
1498 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
1499 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
1500 GLIBC_DYNAMIC_LINKER64): Define.
1501 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1502 LINUX_DYNAMIC_LINKER64.
1503 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1504 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1505 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
1506 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1507 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1508 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1509 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
1510 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
1511 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
1512 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
1513 and LINUX_DYNAMIC_LINKER32.
1514 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1515 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1516 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
1517 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1518 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
1520 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
1521 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
1522 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1523 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1524 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1525 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
1526 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
1527 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
1528 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1529 LINUX_DYNAMIC_LINKER): Define.
1530 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
1531 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
1532 GLIBC_DYNAMIC_LINKER64): Define.
1533 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1534 LINUX_DYNAMIC_LINKER64.
1535 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1536 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1537 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
1538 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1539 LINUX_DYNAMIC_LINKER): Define.
1540 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1541 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1542 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
1543 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
1544 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
1545 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1546 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
1547 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
1548 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1549 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1550 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1551 * doc/invoke.texi (-muclibc): Remove caveat about supported
1554 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1556 * doc/cpp.texi (__TIMESTAMP__): Document.
1558 2006-02-17 Roger Sayle <roger@eyesopen.com>
1561 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
1562 C is one less than the width of X (and related transformations).
1563 * simplify-rtx.c (simplify_unary_operation_1): Transform
1564 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
1565 depending on STORE_FLAG_VALUE, were C is one less then the
1568 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
1570 Fix PR tree-optimization/26341
1571 * tree-ssa-operands.c (add_virtual_operand): Remove assert
1572 about NAME_MEMORY_TAG's.
1574 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1577 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
1578 with hardware float support, and software float support. Add fcpy
1579 alternative to hardware patterns. Add alternatives to copy between
1580 general and floating-point registers to the 32-bit pattern.
1581 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
1582 secondary reload to load a QI or HI mode constant into a floating
1584 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
1585 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
1587 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
1590 * config/rs6000/darwin.md (load_macho_picbase_si): Add
1592 (load_macho_picbase_di): Likewise.
1594 2006-02-16 Jeff Law <law@redhat.com>
1596 * tree-vrp.c (set_value_range_to_nonnegative): New function.
1597 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
1598 (ssa_name_nonzero_p): Likewise.
1599 (get_value_range): Return NULL if VRP is not running.
1600 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
1601 VRP routines do not discover a range.
1602 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
1603 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
1604 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
1605 (tree_expr_nonnegative_p): Similarly.
1606 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
1607 (restore_nonzero_vars_to_original_value): Remove.
1608 (unsafe_associative_fp_binop): Remove.
1609 (tree_ssa_dominator_optimize): Remove initialization and
1610 finalization of nonzero_vars and nonzero_vars_stack.
1611 (dom_opt_initialize_block): No longer push marker on
1613 (dom_opt_finalize_block): No longer call
1614 restore_nonzero_vars_to_original_value.
1615 (record_equivalences_from_phis): No longer look for
1616 nonzero PHI arguments.
1617 (cprop_into_successor_phis): No longer propagate nonzero
1618 property into PHI arguments. Lose unused argument. Caller
1620 (record_equivalences_from_stmt): No longer record nonzero
1621 values for SSA_NAMEs.
1622 (lookup_avail_expr): No longer use nonzero_vars.
1624 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
1625 for sizetype when sizetype is unsigned.
1627 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
1629 PR rtl-optimization/25603
1630 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
1631 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
1632 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
1633 with new meaning of SETS.
1635 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
1640 * config/linux.opt: New file.
1641 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
1642 LINUX_DYNAMIC_LINKER): Define.
1643 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
1644 * config.gcc (*-*-linux*): Define extra_options.
1645 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
1646 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
1647 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
1648 GLIBC_DYNAMIC_LINKER.
1649 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
1650 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1651 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1652 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1653 * doc/invoke.texi (GNU/Linux Options): New section.
1655 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1657 * config/sparc/sparc.md (setjmp): Rewrite.
1658 (setjmp_32): Delete.
1659 (setjmp_64): Likewise.
1661 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
1663 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
1666 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1668 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
1671 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1673 PR rtl-optimization/26296
1674 * Makefile.in (loop-invariant.c): Add except.h dependency.
1675 * loop-invariant.c: Include except.h.
1676 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
1678 2005-02-16 Paul Brook <paul@codesourcery.com>
1680 * reload1.c (emit_reload_insns): Invalidate dead input registers used
1683 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
1685 PR rtl-optimization/25636
1686 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
1687 when deciding whether an insn is an initializing insn.
1689 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
1691 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
1692 (tree_code_size): Ditto.
1693 * tree.h (struct tree_memory_tag): Remove parent_var.
1694 (struct tree_struct_field_tag): New.
1697 (union tree_node): Add sft member.
1698 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
1700 (create_sft): Add size and offset argument, set SFT_OFFSET and
1702 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
1703 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
1704 * tree-flow-inline.h (get_subvar_at): Update for
1705 SFT_OFFSET/SFT_SIZE.
1706 (var_can_have_subvars): Ditto.
1707 (overlap_subvar): Ditto.
1708 * print-tree.c (print_node): Print out interesting things for
1710 * tree-flow.h (struct subvar): Remove offset and size members.
1711 * tree-ssa-operands.c (get_expr_operands): Update for
1712 get_indirect_ref_operands changes.
1713 (get_indirect_ref_operands): Call add_virtual_operand instead of
1714 add_stmt_operand. Only recurse on base var if requested.
1715 (access_can_touch_variable): New function.
1716 (add_stmt_operand): Split virtual operand handling into ...
1717 (add_virtual_operand): Here. Add offset, size, and for_clobber
1718 arguments. Prune alias sets.
1719 (add_call_clobber_ops): Call add_virtual_operand.
1721 2006-02-15 Jakub Jelinek <jakub@redhat.com>
1724 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
1726 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
1727 than TREE_CODE as index into omp_clause_num_ops array.
1729 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
1731 PR rtl-optimization/26184
1732 * modulo-sched.c (generate_reg_moves): Free bitmap vector
1734 * modulo-sched.c (sms_schedule): Free g_arr pointer.
1735 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
1736 must_precede, must_follow and tobe_scheduled.
1739 * opts.c (common_handle_option): Free new_option pointer.
1740 * df-core.c (df_analyze): Free postorder pointer.
1742 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1744 * Makefile.in: Fix the examples about the use of stamps
1746 2006-02-15 Michael Matz <matz@suse.de>
1750 * stor-layout.c (layout_decl): Zero-width bitfields aren't
1751 influenced by maximum_field_alignment or DECL_PACKED.
1752 (update_alignment_for_field): Ditto.
1753 (place_field): Ditto.
1754 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
1757 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
1759 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
1760 (debug_flow_info): Pass it.
1761 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
1762 * bb-reorder.c (reorder_basic_blocks): Likewise.
1763 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
1764 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
1765 * flow.c (life_analysis, recompute_reg_usage): Likewise.
1766 * gcse.c (gcse_main, bypass_jumps): Likewise.
1767 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
1768 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
1769 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
1770 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
1771 * rtl.h (dump_flow_info): Adjust prototype.
1772 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
1773 * var-tracking.c (variable_tracking_main): Likewise.
1774 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
1775 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
1778 2006-02-15 Marcin Dalecki <martin@dalecki.de>
1780 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
1783 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
1785 PR tree-optimization/26209
1786 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
1787 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
1789 * tree-cfg.c (replace_uses_by): Do not alter cfg.
1791 2006-02-14 Roger Sayle <roger@eyesopen.com>
1794 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
1795 (X,Y) and the corresponding symmetry related transformations.
1796 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
1797 (X,Y) and its symmetry related transformations.
1799 2006-02-14 Roger Sayle <roger@eyesopen.com>
1801 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
1804 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
1806 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
1808 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1811 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
1812 support COMDAT group.
1813 * configure: Regenerate.
1815 2006-02-14 Roger Sayle <roger@eyesopen.com>
1820 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
1822 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
1824 Fix PR tree-optimization/26260
1826 * doc/invoke.texi (max-fields-for-field-sensitive): Document
1828 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
1829 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
1830 * tree-ssa-structalias.c (create_variable_info_for): Use
1831 MAX_FIELDS_FOR_FIELD_SENSITIVE.
1833 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
1835 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
1837 * tree-ssa-loop-niter.c (number_of_iterations_ne,
1838 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
1839 of the ending condition.
1840 * tree-ssa-loop-manip.c: Include params.h.
1841 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
1842 tree_unroll_loop): New functions.
1843 * tree-pass.h (pass_loop_prefetch): Declare.
1844 * loop.c (rest_of_handle_loop_optimize): Test for
1845 -fprefetch-loop-arrays-rtl.
1846 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
1847 * timevar.def (TV_TREE_PREFETCH): New timevar.
1848 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
1849 pass_loop_prefetch): New.
1850 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
1851 (cleanup_tree_cfg_loop): Call scev_reset.
1852 * common.opt (fprefetch-loop-arrays-rtl): Add.
1853 * tree-ssa-loop-prefetch.c: New file.
1854 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
1855 (new_temp_expr_table): Initialize expr_vars.
1856 (free_temp_expr_table): Cleanup expr_vars.
1857 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
1858 expressions from being merged into one.
1859 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
1860 (struct tree_niter_desc): Add control, bound and cmp fields.
1861 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
1863 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
1864 (tree-cfgcleanup.o): Add SCEV_H dependency.
1865 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
1866 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
1868 2006-02-14 Richard Guenther <rguenther@suse.de>
1870 PR tree-optimization/26258
1871 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
1872 in PHI argument processing.
1874 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
1876 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
1877 new expression in the requested machine mode.
1879 2006-02-13 Roger Sayle <roger@eyesopen.com>
1881 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
1882 directly, instead let do_compare_rtx_and_jump handle this for us.
1883 * expr.c (expand_expr_real_1): Likewise.
1884 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
1885 before do_jump_by_parts_greater.
1886 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
1887 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
1889 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1891 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
1893 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
1895 PR rtl-optimization/26235
1896 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
1897 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
1900 2006-02-13 Jeff Law <law@redhat.com>
1902 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
1905 2006-02-13 Jakub Jelinek <jakub@redhat.com>
1908 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
1909 twice if decl is a builtin. When trying again, call get_callee_fndecl
1910 first to verify it is still a builtin.
1912 2006-02-13 Geoffrey Keating <geoffk@apple.com>
1914 * dwarf2out.c (base_type_die): Don't add AT_name here.
1915 (subrange_type_die): Don't add AT_name here.
1916 (modified_type_die): Rearrange code flow. Do add AT_name here.
1918 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
1920 PR rtl-optimization/26247
1921 PR rtl-optimization/26248
1922 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
1924 2006-02-13 Richard Sandiford <richard@codesourcery.com>
1926 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
1927 * config/fixtfdi.c: Likewise.
1928 * config/fixunstfdi.c: Likewise.
1929 * config/floatditf.c: Likewise.
1931 2006-02-13 Roger Sayle <roger@eyesopen.com>
1934 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
1935 into (X,C2) if C1 is a subset of the bits of C2. Transform
1936 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
1938 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
1940 2006-02-13 Josh Conner <jconner@apple.com>
1943 * varasm.c (function_section): Check for section name before
1944 calling select_section on targets that define
1945 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
1946 unlikely_text_section instead of hot_function_section if
1947 first_function_block_is_cold.
1949 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
1952 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
1954 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1956 PR rtl-optimization/26222
1957 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
1958 after tree->rtl expansion.
1959 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
1960 before passing it to emit_move_insn.
1962 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
1964 * doc/invoke.texi (-Write-strings): Document that it is enabled by
1966 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
1967 Clarify documentation.
1968 * c-common.h (warn_write_strings): Remove.
1969 * c-common.c (warn_write_strings): Likewise.
1970 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
1973 2006-02-12 Roger Sayle <roger@eyesopen.com>
1976 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
1977 (do_jump_parts_zero_rtx): New function renamed from
1978 do_jump_parts_equality_rtx. Made static. Add a mode argument.
1979 (do_jump_parts_equality_rtx): New function split out from
1980 do_jump_parts_equality. Old implementation renamed as above.
1981 Call do_jump_parts_zero_rtx if either operand is zero.
1982 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
1983 do all of the heavy lifting.
1984 (do_compare_rtx_and_jump): Handle multi-word comparisons by
1985 calling either do_jump_by_parts_greater_rtx or
1986 do_jump_by_parts_equality_rtx.
1987 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
1988 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
1989 moved to do_compare_rtx_and_jump, call it directly.
1990 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
1991 mode argument. Call do_compare_rtx_and_jump.
1992 (emit_case_nodes): Update calls to do_jump_if_equal.
1994 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1996 PR rtl-optimization/26225
1997 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
1999 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2001 PR rtl-optimization/26232
2002 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
2004 2006-02-11 Jason Merrill <jason@redhat.com>
2007 * tree-inline.c (declare_return_variable): Just don't use the
2008 modify target if it's a gimple complex reg and the return slot
2011 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2013 * doc/contrib.texi: Update my entry.
2015 2006-02-10 Geoffrey Keating <geoffk@apple.com>
2017 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
2019 2006-02-10 Diego Novillo <dnovillo@redhat.com>
2021 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
2024 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
2026 * doc/invoke.texi (-floop-optimize2): Removed.
2027 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
2028 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
2029 Test flag_branch_on_count_reg only if HAVE_doloop_end.
2030 * common.opt (floop-optimize2): Removed.
2031 (fmove-loop-invariants): Enabled by default.
2033 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
2035 * tree-if-conv.c (combine_blocks): Free the result of
2036 get_loop_exit_edges.
2038 2006-02-10 Jeff Law <law@redhat.com>
2040 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
2042 PR tree-optimization/26213
2043 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
2044 loop trying to follow SSA_NAME_VALUE chains.
2046 2006-02-10 Richard Guenther <rguenther@suse.de>
2048 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
2049 deal with structures that end in implicitly variable sized arrays.
2051 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2053 PR rtl-optimization/24762
2054 * df-scan.c (df_bb_refs_record): Record correct registers defined on
2057 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2059 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
2060 (struct ivopts_data): Add regs_used field.
2061 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
2062 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
2063 instead of loop_data->regs_used;
2064 (free_loop_data): Do not free aux fields for loops.
2065 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
2066 and tree_ssa_iv_optimize_finalize.
2068 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
2070 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
2072 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2075 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
2076 computing the effective result type.
2078 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2081 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
2082 (tree_overlaps_hard_reg_set): Declare.
2083 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
2084 type and signature to match function type expected by walk_tree.
2085 (tree_overlaps_hard_reg_set): New function.
2086 (decl_conflicts_with_clobbers_p): Rename to:
2087 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
2088 Use tree_overlaps_hard_reg_set. Changed caller.
2089 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
2090 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
2091 * cris.c (cris_md_asm_clobbers): Likewise.
2093 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
2095 * reload1.c (emit_input_reload_insns): Delete code that tries to
2096 inherit using find_equiv_reg.
2098 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
2100 * c-common.h (flag_const_strings): Don't declare.
2101 * c-common.c (flag_const_strings): Remove.
2102 * c.opt (fconst_strings): Remove.
2103 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
2104 <OPT_Wwrite_strings>: Don't set flag_const_strings.
2105 (c_common_init_options): Don't set flag_const_strings.
2106 * doc/invoke.texi (-fno-const-strings): Remove documentation.
2108 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
2110 * arm.md (tlobits_cbranch): New pattern.
2111 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
2112 testing a single bit.
2114 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2117 * tree-ssa-pre.c (create_component_ref_by_pieces):
2118 Handle RETURN_DECL like VAR_DECL.
2120 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2123 * fold-const.c (fold_indirect_ref_1): Fold
2124 "*(foo *)&complexfoo" to "__real__ complexfoo"
2125 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
2127 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2129 * tree-flow-inline.h (var_can_have_subvars):
2130 Volatile variables should not have subvariables.
2132 2006-02-09 Diego Novillo <dnovillo@redhat.com>
2135 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
2136 multiplying unsigned values.
2139 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
2141 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
2143 2006-02-08 Jason Merrill <jason@redhat.com>
2146 * tree.def: Elaborate on difference from MODIFY_EXPR.
2147 * doc/c-tree.texi (INIT_EXPR): Likewise.
2148 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
2149 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
2150 (gimplify_target_expr): Likewise.
2151 (gimplify_cond_expr): Remove target handling.
2152 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
2153 (gimplify_expr): Clobber it here.
2154 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
2155 Do return slot optimization if we have an INIT_EXPR.
2158 * tree-inline.c (declare_return_variable): Also clear
2159 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
2162 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
2165 * gimplify.c (gimplify_one_sizepos): Fix typo.
2167 2006-02-08 Jeff Law <law@redhat.com>
2169 PR tree-optimization/21417
2170 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
2171 across a backedge if the control statement at the end of the
2172 block is data dependent on other statements in the same block.
2173 (record_temporary_equivalences_from_stmts): Remove over-conservative
2174 test for threading across backedges.
2176 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
2177 control statement, handle all three special cases in the same
2178 manner as they all have the same desired solution. No longer
2179 special case edge flag updating when the post dominator is
2182 2006-02-08 Roger Sayle <roger@eyesopen.com>
2184 * tree.def (CHAR_TYPE): Remove.
2185 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
2186 * dwarf2out.c (base_type_die, is_base_type): Likewise.
2187 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
2188 (gen_string_type_die): Delete unreachable function.
2190 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
2191 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
2192 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
2193 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
2194 * builtins.c (type_to_class): Likewise.
2195 * fold-const.c (fold_convert, build_range_check,
2196 merge_ranges): Likewise.
2197 * expr.c (count_type_elements): Likewise.
2198 * c-pretty-print.c (pp_c_type_specifier): Likewise.
2199 * stor-layout.c (layout_type): Likewise.
2200 * ipa-type-escape.c (type_to_consider): Likewise.
2201 * gimplify.c (omp_firstprivatize_type_sizes,
2202 gimplify_type_sizes): Likewise.
2203 * explow.c (promote_mode): Likewise.
2204 * tree-sra.c (is_sra_scalar_type): Likewise.
2205 * varasm.c (output_constant): Likewise.
2206 * tree-inline.c (remap_type_1): Likewise.
2207 * convert.c (convert_to_pointer, convert_to_real,
2208 convert_to_integer, convert_to_complex): Likewise.
2210 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
2212 * df-scan.c (df_def_record_1): A set destination may
2213 be a parallel regardless of mode.
2215 2006-02-08 Roger Sayle <roger@eyesopen.com>
2218 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
2219 * config/mips/_tilib.c: Remove.
2220 * config/fixtfdi.c: New libgcc source file.
2221 * config/fixunstfdi.c: New source file.
2222 * config/floatditf.c: New source file.
2223 * config/floatunditf.c: New souce file.
2224 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2225 files above instead of config/mips/_tilib.c.
2226 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2228 2006-02-08 Jeff Law <law@redhat.com>
2230 PR tree-optimization/26169
2231 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
2234 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
2236 * df.h (DF_REG_SIZE): Return the length of the initialized
2239 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
2241 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
2242 __muldf3): Return a correctly signed zero.
2244 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
2246 * passes.c (register_one_dump_file): Accept the current properties
2247 instead of pass number. Adjust call to dump_register. Remove
2249 (register_dump_files): Now a wrapper around...
2250 (register_dump_files_1): ... this one. Do not modify the pass
2252 (next_pass_1): Cosmetic fix.
2253 (execute_todo): Keep second parameter only. Use curr_properties
2254 instead of fetching it from the pass structure. Check and set
2256 (execute_one_pass): Handle TODO_set_props. Use curr_properties
2257 instead of fetching it from the pass structure. Fix calls to
2258 execute_todo. Update curr_properties and initialize .vcg RTL dump
2259 after running the pass. Reset last_verified.
2260 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
2262 (FIRST_AUTO_NUMBERED_DUMP): New.
2263 (dump_register): Remove "num" parameter, assign it within the
2265 (get_dump_file_name): Modify template for dumps.
2266 * tree-dump.h (dump_register): Adjust prototype.
2267 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
2268 (PROP_trees): Add PROP_gimple_lomp.
2269 (TODO_set_props): New.
2270 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
2271 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
2272 * cfgexpand.c (pass_expand): Destroy PROP_trees.
2274 2006-02-08 Jakub Jelinek <jakub@redhat.com>
2276 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
2277 (sparc64-*-linux*): Likewise.
2278 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
2279 * config/sparc/t-linux: New file.
2280 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
2281 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
2282 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
2283 -m32 -mlong-double-128.
2285 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
2286 * config/alpha/t-linux: New file.
2287 * config/alpha/libgcc-alpha-ldbl.ver: New file.
2289 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
2290 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
2291 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
2292 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
2293 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
2294 (CPP_ARCH32_SPEC): Remove.
2296 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
2298 PR tree-optimization/26145
2299 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
2302 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2305 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
2306 >= 240000 when generating code for SOM runtime.
2307 (output_indirect_call): Don't use "b,l" instruction for indirect calls
2308 to $$dyncall when generating code for SOM runtime..
2310 2006-02-07 Dirk Mueller <dmueller@suse.com>
2313 * doc/invoke.texi (-Wsequence-point): Update documentation
2314 that -Wsequence-point is implemented for C++ as well.
2316 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2318 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
2319 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
2320 (LIB_SPEC): Likewise.
2321 * doc/invoke.texi (SPARC options): Document -pthread.
2323 2006-02-07 Geoffrey Keating <geoffk@apple.com>
2325 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
2328 2006-02-07 Roger Sayle <roger@eyesopen.com>
2330 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
2331 Correct comment describing BOOLEAN_TYPE.
2333 2006-02-07 Dirk Mueller <dmueller@suse.com>
2335 * c.opt: C++ frontend supports -Wdiv-by-zero.
2336 * c-opts.c (c_common_handle_option): Remove dead case.
2338 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2340 * configure.ac (TLS assembler check): Do not enable TLS by
2341 default on SPARC/Solaris before version 10.
2342 * configure: Regenerate.
2344 2006-02-07 David Edelsohn <edelsohn@gnu.org>
2346 * doc/invoke.texi (xl-compat): Document conversion and support
2349 2006-02-07 Jeff Law <law@redhat.com>
2351 * tree-vrp.c (find_conditional_asserts): Update comments.
2352 (simplify_stmt_for_jump_threading): New.
2353 (identify_jump_threads, finalize_jump_threads): New.
2354 (vrp_finalize): Call identify_jump_threads.
2355 (execute_vrp): Call finalize_jump_threads.
2356 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
2357 (vrp_element, vrp_data, vrp_element_p): Remove.
2358 (vrp_hash_elt, vrp_variables_stack): Remove.
2359 (vrp_hash, vrp_eq, record_range): Remove.
2360 (simplify_cond_and_lookup_avail_expr): Remove.
2361 (extract_range_from_cond): Remove.
2362 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
2363 (simplify_stmt_for_jump_threading): New.
2364 (dom_thread_across_edge): New wrapper.
2365 (tree_ssa_dominator_optimize): No longer initialize or
2366 finalize any of the VRP datastructures. Remove iteration
2367 step and simplify as a result of removal of iteration step.
2368 (pass_dominator): Perform a cfg cleanup after DOM.
2369 (dom_opt_finalize_block): Use the new common routines
2370 for threading jumps. Simplify stack management slightly.
2371 No longer need to unwind VRP state.
2372 (record_equivalences_from_incoming_edge): No longer record
2374 (eliminate_redundant_computations): No longer call
2375 simplify_cond_and_lookup_avail_expr.
2376 * tree-flow.h (potentially_threadable_block): Prototype.
2377 (thread_across_edge): Likewise.
2378 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
2379 (tree-ssa-threadedge.o): Add dependencies.
2380 * tree-ssa-threadedge.c: New file.
2381 * passes.c (init_optimization_passes): Merge PHIs before
2382 calling VRP. Run VRP again late in the SSA optimization pipeline.
2384 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2386 * df-core.c (df_set_blocks): Do not dereference function pointers.
2387 (df_finish1): Likewise.
2388 (df_hybrid_search_forward): Likewise.
2389 (df_hybrid_search_backward): Likewise.
2390 (df_iterative_dataflow): Likewise.
2391 (df_analyze_problem): Likewise.
2392 (df_compact_blocks): Likewise.
2393 (df_dump): Likewise.
2394 * df-scan.c (df_rescan_blocks): Likewise.
2395 (df_record_entry_block_defs): Likewise.
2397 * genconditions.c (write_conditions): Guard the definition of
2398 'insn_conditions' with the check on GCC version.
2399 (write_writer): Guard the traversal 'insn_conditions' with
2400 the check on GCC version.
2402 2006-02-07 Richard Guenther <rguenther@suse.de>
2406 2006-01-30 Richard Guenther <rguenther@suse.de>
2408 * gimplify.c (gimplify_target_expr): Handle easy cases
2409 without creating a temporary.
2411 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
2413 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
2414 use of float in probability computations. Use edge probabilities
2415 in place of statically computed probabilities.
2416 (min_spec_prob): New static variable.
2417 (schedule_insns): Initialize it.
2418 (GET_SRC_PROB): Removed.
2419 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
2421 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
2424 * config/ia64/unwind-ia64.c: Revert last change.
2425 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
2426 (INCOMING_FRAME_SP_OFFSET): Define.
2428 2006-02-06 Roger Sayle <roger@eyesopen.com>
2430 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
2432 2006-02-07 Ben Elliston <bje@au.ibm.com>
2434 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
2435 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
2436 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
2437 (ix86_return_in_memory): Handle TDmode.
2438 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
2439 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
2441 2006-02-06 Richard Sandiford <richard@codesourcery.com>
2443 * reorg.c (dbr_schedule): Use dump_file instead of file.
2445 2006-02-06 Steve Ellcey <sje@cup.hp.com>
2448 * config/ia64/predicates.md (extr_len_operand): New predicate.
2449 * config/ia64/ia64.md (extv): Tighten constraints.
2451 (*tbit_and_2): Ditto.
2452 (*tbit_and_3): Ditto.
2453 (*tbit_or_2): Ditto.
2454 (*tbit_or_3): Ditto.
2458 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
2461 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
2463 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
2465 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
2466 loop_optimizer_init and loop_optimizer_finalize
2467 * tree-ssa-sink.c (execute_sink_code): Ditto.
2468 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2469 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
2470 tree_ssa_loop_done): Ditto.
2471 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
2472 * sched-ebb.c: Include output.h.
2473 (schedule_ebbs): Do not use dump argument.
2474 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
2475 * loop.c (loop_dump_stream): Removed.
2476 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
2478 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
2479 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
2480 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
2481 loop_iterations, strength_reduce, record_biv, record_giv,
2482 final_giv_value, check_final_value, check_ext_dependent_givs,
2483 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
2484 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
2485 dump_file instead of loop_dump_stream.
2486 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
2488 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
2490 * flow.c (life_analysis, rest_of_handle_life): Ditto.
2491 * haifa-sched.c: Include output.h
2492 (schedule_insns, sched_init): Do not use dump argument.
2493 * mode-switching.c (optimize_mode_switching): Ditto.
2494 * modulo-sched.c (stats_file): Removed.
2495 (print_node_sched_params): Do not call argument dump_file.
2496 (sms_schedule_by_order, loop_canon_p, sms_schedule,
2497 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
2499 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
2501 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
2502 rtl_loop_init, rtl_loop_done): Ditto.
2503 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
2504 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
2506 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
2507 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
2508 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
2509 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
2510 * emit-rtl.c (renumber_insns): Ditto.
2511 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
2512 expand_gimple_basic_block, tree_expand_cfg): Ditto.
2513 * regclass.c (regclass): Ditto.
2514 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
2515 remove_ssa_form, rewrite_out_of_ssa): Ditto.
2516 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
2517 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
2519 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
2520 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
2522 * gcse.c (gcse_file, debug_stderr): Removed.
2523 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
2524 rest_of_handle_gcse): Do not use dump argument.
2525 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
2526 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
2527 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
2528 compute_code_hoist_vbeinout, compute_code_hoist_data,
2529 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
2530 compute_store_table, build_store_vectors, insert_insn_start_bb,
2531 insert_store, remove_reachable_equiv_notes, replace_store_insn,
2532 store_motion): Use dump_file instead of gcse_file.
2533 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
2534 * profile.c (profile_dump_file): Removed.
2535 (branch_prob): Use dump_file instead of profile_dump_file.
2536 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
2538 * tree-ssa-copy.c (dump_copy_of): Ditto.
2539 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
2540 dump file to life_analysis.
2541 * bt-load.c (branch_target_load_optimize): Ditto.
2542 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
2544 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
2545 regclass, dbr_schedule): Declaration changed.
2546 * sched-int.h (sched_init): Declaration changed.
2547 * tree-profile.c (tree_profile_dump_file): Removed.
2548 (tree_profile_hooks): Removed profile_dump_file hook.
2549 * rtl-profile (rtl_profile_dump_file): Removed.
2550 (rtl_profile_hooks): emoved profile_dump_file hook.
2551 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
2553 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
2554 * tree-cfg.c (build_tree_cfg): Ditto.
2555 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
2556 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
2557 Declaration changed.
2558 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
2559 life_analysis and schedule_insns.
2560 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
2562 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
2564 * config/mips/mips.c (mips_reorg): Ditto.
2565 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
2568 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
2570 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2571 (s390_mangle_fundamental_type): New.
2572 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2575 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2576 (alpha_mangle_fundamental_type): New.
2577 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2580 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2582 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2584 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2585 (sparc_mangle_fundamental_type): New.
2587 2006-02-06 Jakub Jelinek <jakub@redhat.com>
2589 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
2590 (s390x-*-linux*): Likewise.
2591 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
2592 * config/s390/t-linux: New file.
2594 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2596 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
2597 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
2599 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
2601 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
2602 (ANTIC_SAFE_LOADS): New macro.
2603 (find_or_generate_expression): Add prototype.
2604 (set_contains_value): Allow null set for sake of not always having
2605 to allocate ANTIC_SAFE_LOADS.
2606 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
2607 Allow COMPONENT_REF too.
2608 (valid_in_set): Allow COMPONENT_REF.
2609 Check ANTIC_SAFE_LOADS too.
2610 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
2611 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
2613 (can_PRE_operation): Add COMPONENT_REF.
2614 (create_component_ref_by_pieces): New function.
2615 (create_expression_by_pieces): Use create_component_ref_by_pieces.
2616 (insert_aux): Move AGGREGATE_TYPE_P check here.
2617 (compute_avail): Set bb local stmt uids.
2618 (pass_pre): Use TODO_update_ssa_only_virtuals.
2620 2006-02-06 Ben Elliston <bje@au.ibm.com>
2622 * configure.ac: Unconditionally disable decimal float by default.
2623 * configure: Regenerate.
2625 2006-02-06 Ben Elliston <bje@au.ibm.com>
2627 * read-rtl.c (read_name): Terminate reading on EOF.
2629 2006-02-06 Ben Elliston <bje@au.ibm.com>
2631 * dfp.c (decimal_real_arithmetic): Change second argument type
2632 from int to enum tree_code. Do not always return true, but now
2633 return result of any call to decimal_do helper functions.
2634 * dfp.h (decimal_real_arithmetic): Update prototype.
2636 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
2638 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
2640 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
2643 * tree-cfg.c (cleanup_dead_labels): Also don't remove
2646 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2648 * tree-vrp.c (cfg_loops): Removed.
2649 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
2650 Use current_loops instead of cfg_loops. Pass flags to
2651 loop_optimizer_init.
2652 * cfgloopmanip.c (fix_loop_structure): Update only available
2654 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
2655 loop_optimizer_init.
2656 * modulo-sched.c (build_loops_structure): Removed.
2657 (sms_schedule): Use loop_optimizer_init.
2658 * loop-init.c (loop_optimizer_init): Use flags to determine
2659 which properties of loops to prepare.
2660 (rtl_loop_init): Pass flags to loop_optimizer_init.
2661 * tree-ssa-sink.c (execute_sink_code): Ditto.
2662 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
2663 * tree-ssa-pre.c (init_pre): Ditto.
2664 * cfgloop.h (LOOPS_NORMAL): New.
2665 (loop_optimizer_init): Declaration changed.
2667 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2669 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
2670 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
2672 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
2674 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
2676 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
2677 * pa/t-pa64: Delete quadlib.c rule.
2678 * pa/x-ada: Revert last change.
2679 * pa/t-pa: Revert last change. Delete quadlib.c rule.
2681 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2683 PR rtl-optimization/26087
2684 * rtlanal.c (canonicalize_condition): Do not cross basic block
2687 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
2690 * config/ia64/ia64.c: Include debug.h.
2691 (MAX_ARTIFICIAL_LABEL_BYTES): New.
2692 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
2693 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
2694 (process_epilogue, process_set, process_for_unwind_directive):
2695 Output unwind info only if requested. Add CFA info if requested.
2696 Add new arguments as needed. Adjust callers.
2697 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
2699 (DWARF2_FRAME_INFO): Define to zero.
2700 * config/ia64/unwind-ia64.c: Remove code that compensated for
2701 the CFA offset error fixed above.
2702 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
2703 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
2704 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
2705 -funwind-tables and -fexceptions to enable frame info.
2706 (dwarf2out_frame_init): Define initial CFA even if
2707 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
2708 DWARF2_UNWIND_INFO is nonzero, not just defined.
2709 (dwarf2out_frame_finish): Output non-EH call frame info only
2710 if DWARF2_FRAME_INFO is nonzero.
2711 (convert_cfa_to_loc_list,
2712 compute_frame_pointer_to_cfa_displacement): Define even if
2713 unwind info is not supported.
2714 (gen_subprogram_die): Use the above unconditionally. Remove
2715 legacy alternate code.
2716 * toplev.c (compile_file): Compile in call to
2717 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
2718 (lang_dependent_init): Ditto for dwarf2out_frame_init.
2720 2006-02-04 David Edelsohn <edelsohn@gnu.org>
2721 Jakub Jelinek <jakub@redhat.com>
2723 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
2724 IBM extended float format long double as "g" on powerpc*-linux.
2726 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2729 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
2730 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
2732 2006-02-03 Jason Merrill <jason@redhat.com>
2735 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
2738 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
2739 on the return slot if it's an NRV.
2741 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
2743 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
2744 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
2745 rewrite_use): Do not handle USE_OUTER.
2746 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
2747 add_iv_outer_candidates, may_replace_final_value,
2748 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
2749 (find_interesting_uses_op): Functionality of
2750 find_interesting_uses_outer_or_nonlin moved here.
2751 (find_interesting_uses_outside): Use find_interesting_uses_op.
2753 2006-02-03 Alan Modra <amodra@bigpond.net.au>
2756 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
2758 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
2759 Ulrich Weigand <uweigand@de.ibm.com>
2762 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
2763 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
2764 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
2765 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
2767 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
2768 (s390_rtx_costs): Use the new fields to calculate rtx costs.
2769 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
2770 Define secondary reloads for TFmode moves.
2771 (constant_modes): Add TFmode.
2772 (NR_C_MODES): Set to 8.
2773 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
2775 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
2776 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
2777 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
2778 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
2779 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
2780 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
2781 (FPR mode macro): Add TFmode.
2782 (DSF mode macro): New.
2783 (<de>, <dee> mode attributes): Removed.
2784 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
2785 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
2786 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
2787 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
2788 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
2789 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
2790 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
2791 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
2792 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
2793 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
2794 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
2795 "*negabs<mode>2", "sqrt<mode>2"):
2796 Changed <de> to <xde>. R constraint replaced by <Rf>.
2797 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
2799 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
2800 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
2801 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
2803 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
2804 "extenddftf2", "extendsftf2"): New expanders.
2805 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
2806 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
2807 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
2808 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
2810 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
2811 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
2812 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
2813 __floatditf): Add a GCC_4.1.0 symbol version tag.
2814 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
2817 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
2820 * config/i386/i386.c (ix86_function_ok_for_sibcall):
2821 Use targetm.binds_local_p instead of TREE_PUBLIC.
2823 2006-02-02 Roger Sayle <roger@eyesopen.com>
2825 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
2826 on INTEGER_TYPEs to indicate that it denotes a character type.
2827 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
2828 signed_char_type_node, unsigned_char_type_node and char_type_node.
2829 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
2830 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
2831 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
2833 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
2834 Daniel Berlin <dberlin@dberlin.org>
2836 * tree-tailcall.c (arg_needs_copy_p): New function.
2837 (eliminate_tail_call): Use arg_needs_copy_p.
2838 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
2839 (add_virtual_phis): New function.
2841 2006-02-02 Jakub Jelinek <jakub@redhat.com>
2843 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
2844 #ignore instead of #scratch for %g7 .register directive.
2846 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
2848 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
2851 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2853 * flow.c (calculate_global_regs_live): Assert that there aren't any
2856 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
2858 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
2860 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
2861 bsi_after_labels iterator.
2862 * tree-if-conv.c (find_phi_replacement_condition,
2863 replace_phi_with_cond_modify_expr): Likewise.
2864 * tree-scalar-evolution.c (scev_const_prop): Likewise.
2865 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
2867 2006-02-02 Diego Novillo <dnovillo@redhat.com>
2869 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
2871 2006-02-02 Diego Novillo <dnovillo@redhat.com>
2874 * tree-cfg.c (move_block_to_fn): Clear out the basic block
2875 array after growing it.
2877 2006-02-01 Steve Ellcey <sje@cup.hp.com>
2880 * fold-const.c (fold_checksum_tree): Change type of buf.
2882 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
2884 * reload.c (push_secondary_reload): Initialize t_icode.
2886 2006-02-01 Jakub Jelinek <jakub@redhat.com>
2888 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
2889 -msoft-float -mlong-double-128 only issue a warning, but don't
2890 swich to DFmode long double.
2892 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
2894 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
2895 has a constant equivalent, iterate over equivalents for arg0,
2896 calling simplify_relational_operation and if there's a result
2897 cheaper than X, apply fold_rtx and return the result.
2899 2006-02-01 Jan Hubicka <jh@suse.cz>
2901 * opts.c (no_unit_at_a_time_default): New global variable.
2902 (decode_options): Use it.
2903 * opts.h (no_unit_at_a_time_default): Declare.
2905 2006-02-01 Paul Brook <paul@codesourcery.com>
2907 * function.c (assign_parm_setup_reg): Use function argument promotion
2909 * expr.c (expand_expr_real_1): Use function argument promotion rules
2912 2006-02-01 Steve Ellcey <sje@cup.hp.com>
2914 * gcc.c (process_command): Change j to 'unsigned int'.
2916 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2919 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
2920 Use the corrected index for the character
2921 out of the string constant.
2923 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2925 * mode-switching.c (optimize_mode_switching): Fix size
2926 allocated for bb_info[n_entities].
2928 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2930 * gcc.c (main): Correct type that is allocated for
2931 explicit_link_files.
2933 2006-01-31 Jakub Jelinek <jakub@redhat.com>
2935 * config/s390/s390.c (init_alignment_context): Set
2936 ALIAS_SET_MEMORY_BARRIER on the MEM.
2937 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
2939 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
2942 * loop-unroll.c (unroll_loop_runtime_iterations): Free
2944 * tree-ssa-live.c (type_var_init): Allocate bitmap after
2947 2006-01-31 Marcin Dalecki <martin@dalecki.de>
2949 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
2950 * regrename.c: Ditto.
2951 * tree-ssa-loop-im.c: Ditto.
2952 * tree-dump.c: Ditto.
2953 * tree-complex.c: Ditto.
2954 * genrecog.c: Ditto.
2955 * tree-ssa-threadupdate.c: Ditto.
2957 * java/class.c: Ditto.
2958 * java/jcf-parse.c: Ditto.
2959 * java/resource.c: Ditto.
2960 * java/except.c: Ditto.
2961 * java/jvspec.c: Ditto.
2962 * java/jcf-write.c: Ditto.
2963 * java/jcf-path.c: Ditto.
2964 * java/gjavah.c: Ditto.
2965 * java/zextract.c: Ditto.
2966 * java/jcf-io.c: Ditto.
2967 * java/jcf.h: Ditto.
2968 * java/buffer.c: Ditto.
2969 * java/lang.c: Ditto.
2970 * java/parse-scan.y: Ditto.
2971 * java/lex.c: Ditto.
2972 * java/lex.h: Ditto.
2973 * cfgloopmanip.c: Ditto.
2974 * postreload-gcse.c: Ditto.
2975 * tree-ssa-loop-manip.c: Ditto.
2976 * postreload.c: Ditto.
2977 * tree-ssa-loop-ch.c: Ditto.
2981 * diagnostic.c: Ditto.
2983 * genoutput.c: Ditto.
2985 * cfghooks.c: Ditto.
2986 * cfgloopanal.c: Ditto.
2987 * objc/objc-act.c: Ditto.
2989 * genextract.c: Ditto.
2990 * genautomata.c: Ditto.
2991 * pretty-print.c: Ditto.
2993 * cgraphunit.c: Ditto.
2996 * haifa-sched.c: Ditto.
2997 * dominance.c: Ditto.
2999 * tree-ssa-loop-ivopts.c: Ditto.
3001 * mode-switching.c: Ditto.
3002 * modulo-sched.c: Ditto.
3004 * ipa-pure-const.c: Ditto.
3006 * fix-header.c: Ditto.
3008 * tree-stdarg.c: Ditto.
3009 * ipa-utils.c: Ditto.
3010 * loop-init.c: Ditto.
3011 * ipa-inline.c: Ditto.
3014 * alloc-pool.c: Ditto.
3015 * dwarf2out.c: Ditto.
3017 * genattrtab.c: Ditto.
3018 * tree-ssa-loop-ivcanon.c: Ditto.
3022 * fortran/gfortranspec.c: Ditto.
3024 * local-alloc.c: Ditto.
3025 * langhooks.c: Ditto.
3026 * function.c: Ditto.
3027 * tree-vectorizer.c: Ditto.
3029 * ipa-type-escape.c: Ditto.
3031 * tree-if-conv.c: Ditto.
3034 * tree-data-ref.c: Ditto.
3035 * loop-unroll.c: Ditto.
3036 * treelang/treetree.c: Ditto.
3039 * ggc-common.c: Ditto.
3041 * coverage.c: Ditto.
3043 * tree-cfgcleanup.c: Ditto.
3044 * tree-ssa-pre.c: Ditto.
3045 * cfgcleanup.c: Ditto.
3046 * loop-invariant.c: Ditto.
3048 * ipa-prop.c: Ditto.
3049 * print-tree.c: Ditto.
3050 * conflict.c: Ditto.
3051 * ggc-page.c: Ditto.
3052 * sched-deps.c: Ditto.
3053 * regclass.c: Ditto.
3054 * tree-object-size.c: Ditto.
3056 * bb-reorder.c: Ditto.
3057 * resource.c: Ditto.
3058 * var-tracking.c: Ditto.
3060 * df-problems.c: Ditto.
3061 * reg-stack.c: Ditto.
3064 * sched-rgn.c: Ditto.
3065 * tree-ssa-structalias.c: Ditto.
3066 * tree-ssa-reassoc.c: Ditto.
3067 * config/darwin-c.c: Ditto.
3068 * config/darwin.c: Ditto.
3069 * config/arm/arm.c: Ditto.
3071 * collect2.c: Ditto.
3074 2006-01-31 Nicolas Pitre <nico@cam.org>
3076 * arm.md (smaxsi3): Make aware of smax_m1.
3079 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
3081 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
3083 2006-01-31 Richard Guenther <rguenther@suse.de>
3085 * doc/invoke.texi (-msselibm): Document.
3086 * target.h (expand_library_builtin): New target hook.
3087 * builtins.c (expand_builtin): Use expand_library_builtin.
3088 (default_expand_library_builtin): New function.
3089 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3090 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3091 (link_gcc_math_spec): Declare.
3092 (static_specs): Add link_gcc_math_spec.
3093 * expr.h (default_expand_library_builtin): Declare.
3094 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3095 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3096 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3097 * config/i386/i386.opt (msselibm): New target option.
3098 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3099 (ix86_init_sse_abi_builtins): New function.
3100 (ix86_expand_library_builtin): Likewise.
3101 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3102 (override_options): Handle error conditions wrt -msselibm.
3103 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3104 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3105 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3108 2006-01-31 Richard Guenther <rguenther@suse.de>
3109 Paolo Bonzini <bonzini@gnu.org>
3111 * doc/install.texi (--disable-libgcc-math): Document.
3113 2006-01-30 Marcin Dalecki <martin@dalecki.de>
3115 * expr.h (expand_normal): new inline function.
3116 * builtins.c: use it, use EXPAND_NORMAL explicitely.
3118 * dwarf2out.c: use it.
3123 * config/sparc/sparc.c: use it.
3124 * config/i386/i386.c: use it.
3125 * config/rs6000/rs6000.c: use it.
3126 * config/arm/arm.c: use it.
3127 * config/mips/mips.c: use it.
3128 * stmt.c: use it, use EXPAND_NORMAL explicitely.
3130 2006-01-30 Roger Sayle <roger@eyesopen.com>
3132 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
3133 argv to the appropriate type.
3135 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
3137 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
3140 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
3143 * config/s390/s390.c (struct machine_function): New flag
3144 decomposed_literal_pool_addresses_ok_p.
3145 (s390_reorg): Set it before final stage of literal pool transforms.
3146 (s390_decompose_address): Only accept displacements of the form
3147 (minus (label_ref ...) (label_ref ...)) if that flag is set.
3149 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
3151 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
3152 the comparison routine return.
3154 2006-01-30 Michael Matz <matz@suse.de>
3156 * global.c (find_reg): Only evict for global regs.
3157 Take n_refs into account and dump more info.
3159 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
3162 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
3163 (pragma_trap, pragma_nosave_low_regs): Likewise.
3164 (current_function_anonymous_args): Likewise.
3165 (sh_deferred_function_attributes): New variable.
3166 (sh_deferred_function_attributes_tail): Likewise.
3167 (print_operand): For '@', look up trap_exit attribute.
3168 (calc_live_regs): Look up trapa_handler attribute. For trapa
3169 handlers, save/restore fpscr, but don't do any other
3170 interrupt-specific saves.
3171 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
3172 Fix check for partially saved registers to check for SHmedia.
3173 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
3174 (sh_output_function_epilogue): Don't clear any of the removed
3176 (sh_insert_attributes): Don't check pragma_interrupt.
3177 Insert deferred attributes. Check that interrupt attribute is
3178 present for other attributes that require its presence.
3179 (sh_attribute_table): Add new attributes trapa_handler and
3181 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
3182 Don't check for pragma_interrupt. Don't store argument.
3183 * sh.h (pragma_interrupt, sp_switch): Don't declare.
3184 (sh_deferred_function_attributes): Declare.
3185 (sh_deferred_function_attributes_tail): Likewise.
3186 * sh.md (sp_switch_1): Add operand. Change generator caller.
3187 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
3188 (*return_i): Don't use when trap_exit attribute is in effect.
3189 (*return_trapa): New insn pattern.
3191 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
3192 setting c_target_objs and cxx_target_objs.
3193 * t-sh: Add rule for sh-c.o.
3195 2006-01-30 Richard Guenther <rguenther@suse.de>
3198 * gimplify.c (gimplify_target_expr): Handle easy cases
3199 without creating a temporary.
3201 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
3203 * vec.h (safe_grow): Remove duplicated line.
3205 2006-01-29 Diego Novillo <dnovillo@redhat.com>
3208 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
3209 (expand_omp): ... here.
3210 (expand_omp_parallel): Only remove barriers for combined
3211 parallel+workshare constructs.
3213 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
3217 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3218 * tree.c (build_qualified_type): Chain the new type to the original
3219 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3220 a POINTER_TYPE or a REFERENCE_TYPE respectively.
3221 (build_pointer_type_for_mode): Only return unqualified types.
3222 (build_reference_type_for_mode): Likewise.
3224 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
3226 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
3227 * Makefile.in (CXX_COMPAT_WARN): Define.
3228 * configure: Regenerate.
3230 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
3233 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
3236 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3238 * toplev.c: Fix thinko.
3240 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3241 Marcin Dalecki <martin@dalecki.de>
3243 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
3244 (push_srcloc): Use XNEW.
3245 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
3247 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3249 * df-core.c (df_set_blocks): Deleted all variable.
3251 2006-01-28 Ian Lance Taylor <ian@airs.com>
3253 * cgraphunit.c (cgraph_assemble_pending_functions): Call
3254 cgraph_output_pending_asms.
3256 2006-01-28 Zack Weinberg <zackw@panix.com>
3258 * c.opt: Add -W(no-)overlength-strings.
3259 * doc/invoke.texi: Document it.
3260 * c-opts.c (c_common_handle_option): -pedantic implies
3261 -Woverlength-strings, if not explicitly disabled already.
3262 (c_common_post_options): -Woverlength-strings defaults to off, and
3263 is always off for C++.
3264 * c-common.c (fix_string_type): Issue warning about strings longer
3265 than is portable only if warn_overlength_strings. Rearrange code
3266 a little for clarity.
3267 * configure.in: Check for -Wno-overlength-strings as well before
3268 enabling -pedantic in stage 1.
3269 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
3270 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
3272 * genconditions.c (write_header, write_one_condition)
3273 (write_conditions, write_writer): Consolidate very long strings
3274 that were broken up to fit in C89 portable limit. Don't use
3275 printf when fputs will do.
3277 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
3279 * combine.c (simplify_comparison <AND>): Check
3280 TRULY_NOOP_TRUNCATION before start using a subreg.
3282 * config/mips/mips.md (*branch_zero<mode>,
3283 *branch_zero<mode>_inverted, *branch_equality<mode>,
3284 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
3285 Remove mode check from comparisons.
3287 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
3289 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
3291 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3293 * expmed.c (const_mult_add_overflow_p): Remove.
3294 * expr.h: Remove the prototype for const_mult_add_overflow_p.
3296 * recog.c (validate_replace_rtx_subexp): Remove.
3297 * recog.h: Remove the prototype for
3298 validate_replace_rtx_subexp.
3300 * integrate.h: Remove the prototype for
3301 copy_decl_for_inlining.
3302 * rtl.h: Remove the prototype for mark_constant_function.
3303 * tree-vectorizer.h: Remove the prototype for
3304 vect_strip_conversion.
3306 * modulo-sched.c (create_partial_schedule,
3307 free_partial_schedule, reset_partial_schedule): Make them
3310 * hooks.c (hook_bool_rtx_int_false): Remove.
3311 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
3313 2006-01-28 David Edelsohn <edelsohn@gnu.org>
3315 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3316 and -mlong-double-128 are incompatible.
3317 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
3318 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
3319 (TARGET_LIBGCC2_CFLAGS): Define.
3320 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
3321 (TARGET_LIBGCC2_CFLAGS): Same.
3322 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
3324 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3327 * c-typeck.c (build_binary_op): Perform implicit casts of
3328 operands before shortening them.
3330 * cfgloopmanip.c (split_loop_bb): Remove.
3331 * cfgloop.h: Remove the prototype for split_loop_bb.
3333 * cfgloop.c (flow_loop_outside_edge_p): Remove.
3334 * cfgloop.h: Remove the prototype for
3335 flow_loop_outside_edge_p.
3337 * emit-rtl.c (init_virtual_regs): Make it static.
3338 * function.h: Remove the prototype for init_virtual_regs.
3340 * recog.c (peephole2_optimize): Make it static.
3341 * recog.h: Remove the prototype for peephole2_optimize.
3343 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3345 * df-scan.c (df_record_entry_block_defs): Check if
3346 INCOMING_RETURN_ADDR_RTX is defined.
3348 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
3349 Kenneth Zadeck <zadeck@naturalbridge.com>
3351 PR rtl-optimization/24762
3352 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3353 * targhooks.c (hook_void_bitmap): New hook prototype.
3354 * targhoohs.h (hook_void_bitmap): Ditto.
3355 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
3356 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
3357 * target.h (live_on_entry): New function pointer.
3358 * df-scan.c (df_all_hard_regs): Removed.
3359 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
3360 (df_scan_free_internal): Added df->entry_block_defs.
3361 (df_scan_alloc): Ditto.
3362 (df_scan_dump): Ditto.
3363 (df_uses_record): Plumbed flag field properly thru calls.
3364 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
3365 This part fixes PR24762.
3366 (df_bb_refs_record): Added code to make the frame and arg
3367 pointers live in EH blocks.
3368 (df_refs_record): Added call to df_record_entry_block_defs.
3369 (df_record_entry_block_defs): New function.
3370 * df-core.c: Added comments to describe new artifical defs.
3371 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
3372 (entry_block_defs): New field in struct df.
3373 (df_all_hard_regs): Deleted.
3374 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3375 * df-problems.c (df_ru_bb_local_compute_process_def):
3376 Added code to handle artifical defs in the entry to a function.
3377 (df_ru_bb_local_compute): Ditto.
3378 (df_rd_bb_local_compute_process_def): Ditto.
3379 (df_rd_bb_local_compute): Ditto.
3380 (df_lr_bb_local_compute): Ditto.
3381 (df_ur_bb_local_compute): Ditto.
3382 (df_urec_bb_local_compute): Ditto.
3383 (df_chain_create_bb): Ditto.
3384 (df_ur_local_finalize): Removed entry.
3385 (df_urec_init): Ditto.
3386 (df_urec_local_finalize): Ditto.
3387 (df_ri_bb_compute): Added detection of last use of pseudos.
3388 * Makefile.in (df-scan.o): Updated dependencies.
3389 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
3390 * config/mips/mips.c (mips_set_live_on_entry): Added.
3391 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
3393 * dce.c (marked_insn_p): Added code to handle artifical defs.
3395 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3397 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
3399 (_mm_cvtsi128_si64): Likewise.
3400 (_mm_cvtsd_si64): Likewise.
3401 (_mm_cvttsd_si64): Likewise.
3402 (_mm_cvtsi64_sd): Likewise.
3403 (_mm_cvtsi64_si128): Likewise.
3404 * config/i386/mmintrin.h (_m_from_int64): Likewise.
3405 (_mm_cvtsi64_m64): Likewise.
3406 (_m_to_int64): Likewise.
3407 (_mm_cvtm64_si64): Likewise.
3408 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
3409 (_mm_cvttss_si64): Likewise.
3410 (_mm_cvtsi64_ss): Likewise.
3411 (_mm_cvtss_f32): Likewise.
3413 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
3415 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
3416 for pragma redefine_extname.
3418 2006-01-27 Jakub Jelinek <jakub@redhat.com>
3421 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
3422 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
3423 -mno-minimal-toc to previous content.
3424 (bispecs): Remove goal.
3425 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
3426 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
3427 compatibility aliases on powerpc-*-*gnu*.
3428 * config/rs6000/libgcc-ppc-glibc.ver: New file.
3429 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
3430 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
3431 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
3432 (ldblspecs): New goal.
3433 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
3434 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
3436 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
3437 L_sf_to_tf or L_df_to_tf is defined.
3439 2006-01-27 David Edelsohn <edelsohn@gnu.org>
3440 Alan Modra <amodra@bigpond.net.au>
3443 * config/rs6000/linux.h (POWERPC_LINUX): Define.
3444 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
3445 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
3446 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
3447 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
3448 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
3449 (rs6000_override_options): Initialize rs6000_ieeequad.
3450 Initialize TFmode format to ibm_extended_format if not
3452 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
3454 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
3455 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
3456 (function_arg_advance): IBM long double passed in two FPRs, not
3458 (function_arg): IBM long double passed in FPRs.
3459 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
3460 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
3461 Only multireg GPR aligned.
3462 (rs6000_init_libfuncs): Enable IBM long double functions if not
3464 (rs6000_generate_compare): Use IBM long double compare if not
3466 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
3467 (TARGET_IEEEQUAD): Define.
3468 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
3469 not TARGET_IEEEQUAD.
3470 * config/rs6000/rs6000.md: Enable TFmode patterns if
3472 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
3473 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3474 and -mlong-double-128 are incompatible.
3475 * doc/invoke.texi (-mabi): Collect options together. Add
3476 ibmlongdouble and ieeelongdouble.
3478 2006-01-27 Richard Sandiford <richard@codesourcery.com>
3480 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
3482 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
3483 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
3484 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
3485 * rtl.h (rtunion_def): Remove rt_ptr.
3487 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
3488 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
3489 * config/i386/winnt.c (i386_pe_mark_dllexport)
3490 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
3492 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
3494 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
3496 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3500 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
3501 pthread_key_delete. From John David Anglin. gthrw-ify
3502 pthread_getunique_np only if it it's not a macro. Delete
3504 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
3505 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
3506 __gthread_objc_condition_signal, __gthread_key_delete): Add
3507 "__attribute__ ((__unused__))" to unused arguments.
3508 (__gthread_recursive_mutex_init_function): Add missing return.
3509 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
3510 gthr-posix95.h: Use macro-based approach for name redirection
3511 on targets missing weakref.
3513 2006-01-26 Zack Weinberg <zackw@panix.com>
3515 * genconditions.c (write_header): In generated code, #ifdef out
3516 all includes and fake declarations, except includes of bconfig.h
3517 and system.h, unless GCC_VERSION >= 3001. Do not include
3518 gensupport.h in any case.
3519 (write_conditions): Generate a definition of struct c_test. Add
3520 a comment to the generated #endif.
3521 (write_one_condition): Escape backslashes in string too.
3522 (write_writer): Generated code must escape backslashes and quote
3523 marks (but not newlines) in the strings it writes.
3524 * Makefile.in (build/gencondmd.o): Update dependencies.
3526 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3529 * Makefile.in (insn-automata.o): Add header file dependencies.
3530 * genautomata.c: Add includes.
3532 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3535 * Makefile.in (insn-automata.o): Add -Wno-error flag.
3537 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3539 * configure.ac: Expect target tools paths to be passed from the toplevel
3540 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
3542 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
3544 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3547 * c.opt (Wpointer-sign): Init to -1.
3548 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
3549 OPT_pedantic, to 0 otherwise.
3550 * doc/invoke.texi: Update.
3552 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3554 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
3555 constants provided by 80387 instructions in the destination mode.
3557 2006-01-26 Richard Guenther <rguenther@suse.de>
3558 Andrew Pinski <pinskia@physics.uc.edu>
3561 partial PR tree-opt/17064
3562 * tree-ssa-structalias.c (intra_create_variable_infos):
3563 Create heap variables for incoming parameters if
3564 flag_argument_noalias > 1.
3565 (find_what_p_points_to): Look through default defs of
3568 2006-01-26 Jeff Law <law@redhat.com>
3571 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
3572 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
3573 within the VR_RANGE, use the VR_RANGE as the result, not the
3575 (adjust_range_with_scev): Reject ranges from SCEV which are out of
3576 bounds for the type.
3578 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
3580 * tree-ssa-alias.c (maybe_create_global_var): Change
3581 subvar walking to an assertion that we don't have subvar'd variables.
3583 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
3586 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
3587 Use a new variable, inner. PARM_DECLs are always non-weak.
3589 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
3591 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
3594 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
3596 * config/mips/mips.md (*clear_upper32): New combiner pattern.
3598 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
3600 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
3601 (smax_insn, smin_insn, smax_0, smin_0): New.
3603 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
3606 * config/cris/cris.c (cris_order_for_addsi3): New function.
3607 * config/cris/cris-protos.h: Prototype it.
3608 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
3609 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
3610 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
3611 (split for "op.S1 [rx=rx+i],ry (swapped)")
3612 (split for "op(s|u).S1 [rx=rx+i],ry")
3613 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
3614 Apply cris_order_for_addsi3 when generating addsi3 insns.
3616 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3618 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
3619 (TREE_BLOCK): Add call to EXPR_CHECK.
3621 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3624 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
3625 * tree-pretty-print.c (dump_omp_clause): Extract from ...
3626 (dump_omp_clauses): ... here.
3627 (dump_generic_node): Handle OMP_CLAUSE.
3628 * tree.c (omp_clause_num_ops): New.
3629 (omp_clause_code_name): New.
3630 (tree_code_size): Handle OMP_CLAUSE.
3631 (tree_size): Likewise.
3632 (make_node): Document handling of OMP_CLAUSE.
3633 (tree_node_structure): Handle OMP_CLAUSE.
3634 (omp_clause_check_failed): New.
3635 (omp_clause_range_check_failed): New.
3636 (omp_clause_operand_check_failed): New.
3637 (build_omp_clause): New.
3638 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
3639 * tree.h (enum omp_clause_code): Declare.
3640 (OMP_CLAUSE_SUBCODE_CHECK): Define.
3641 (OMP_CLAUSE_RANGE_CHECK): Define.
3642 (OMP_CLAUSE_ELT_CHECK): Define.
3643 (omp_clause_check_failed): Declare.
3644 (omp_clause_operand_check_failed): Declare.
3645 (omp_clause_range_check_failed): Declare.
3646 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
3647 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
3648 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
3649 (OMP_CLAUSE_LASTPRIVATE): Likewise.
3650 (OMP_CLAUSE_IF_EXPR): Likewise.
3651 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
3652 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
3653 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
3654 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
3655 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
3656 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
3657 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
3658 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
3659 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
3660 (OMP_CLAUSE_CODE): Define.
3661 (OMP_CLAUSE_SET_CODE): Define.
3662 (OMP_CLAUSE_CODE): Define.
3663 (OMP_CLAUSE_OPERAND): Define.
3664 (struct tree_omp_clause): Declare.
3665 (union tree_node): Add field 'omp_clause'.
3666 * treestruct.def (TS_OMP_CLAUSE): Define.
3667 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
3668 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
3669 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
3670 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
3671 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
3672 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
3673 (OMP_CLAUSE): Define.
3674 * print-tree.c (print_node): Handle OMP_CLAUSE.
3675 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
3676 * c-typeck.c: Likewise.
3677 * gimplify.c: Likewise.
3678 * c-omp.c: Likewise.
3679 * tree-nested.c: Likewise.
3680 * tree-inline.c: Likewise.
3681 * c-parser.c: Likewise.
3682 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
3685 2006-01-25 Roger Sayle <roger@eyesopen.com>
3687 PR rtl-optimization/25703
3688 * combine.c (try_combine): Handle zero_extract and strict_low_part
3689 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
3691 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
3693 * global.c: Fix comment typos.
3695 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
3698 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
3699 Use output_addr_const instead of assemble_name.
3701 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
3703 * Makefile.in (sched-vis.o): Update dependencies.
3704 * haifa-sched.c (sched_finish): Clear current_sched_info.
3705 * cfg.c (dump_bb_info): New, split from dump_flow_info.
3706 (dump_flow_info): Call it.
3707 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
3709 * basic-block.h (dump_bb_info): Declare.
3710 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
3711 option, and apply options only for dump files whose TDF_RTL,
3712 TDF_TREE, or TDF_IPA bits match.
3713 * rtl.h: Declare new functions exported from sched-vis.c.
3714 * sched-vis.c: Enable also if scheduling is not used.
3715 (print_value): Print the mode of registers if not inside scheduling.
3716 (print_insn): Make it work outside the scheduler. Beautify the output
3718 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
3720 2006-01-25 Richard Sandiford <richard@codesourcery.com>
3722 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
3723 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
3724 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
3725 depending on the value of CONSTANT_POOL_ADDRESS_P.
3726 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
3728 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
3729 rather than SYMBOL_REF_DECL.
3730 (rtx_constant_pool): Remove const_rtx_sym_htab.
3731 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
3732 (init_varasm_status): Don't initialize const_rtx_sym_htab.
3733 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
3734 Remove handling of const_rtx_sym_htab.
3735 (find_pool_constant): Delete.
3736 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
3737 rather than find_pool_constant.
3738 (get_pool_constant_for_function): Delete.
3739 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
3741 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
3742 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
3743 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
3744 (SYMBOL_REF_CONSTANT): New macro.
3745 (get_pool_constant_for_function): Delete.
3746 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
3747 rather than SYMBOL_REF_DECL.
3748 (i386_pe_mark_dllimport): Likewise.
3749 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
3750 rather than SYMBOL_REF_DECL.
3751 * config/darwin.c (machopic_indirect_data_reference): Likewise.
3752 (machopic_indirect_call_target): Likewise.
3754 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
3756 * flow.c (delete_noop_moves): Add missing EOL to dump message.
3758 2006-01-25 Richard Sandiford <richard@codesourcery.com>
3760 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
3762 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
3764 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
3766 2006-01-24 David Daney <ddaney@avtrex.com>
3769 * configure.ac (enable_tls): New enable option.
3770 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
3771 * configure: Regenerate.
3772 * doc/install.texi (--enable-tls): Document new option.
3773 (--disable-tls): Ditto.
3775 2006-01-24 Richard Henderson <rth@redehat.com>
3777 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
3778 * alias.c (true_dependence): Respect it.
3779 (canon_true_dependence, write_dependence_p): Likewise.
3780 * builtins.c (get_builtin_sync_mem): Set it.
3782 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
3784 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
3787 2006-01-24 DJ Delorie <dj@redhat.com>
3789 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
3790 for storing constants in single-bit bitfields.
3792 2006-01-25 Ben Elliston <bje@au.ibm.com>
3794 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
3796 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
3799 * tree-ssa-pre.c (phi_translate): Return NULL
3800 for AGGREGATE_TYPE's.
3802 2006-01-24 Zack Weinberg <zackw@panix.com>
3804 * genautomata.c (process_state_for_insn_equiv_partition):
3805 Use xcalloc for insn_arcs_array.
3806 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
3807 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
3809 2006-01-24 Richard Henderson <rth@redhat.com>
3811 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
3814 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
3816 PR rtl-optimization/25890
3817 PR rtl-optimization/25905
3818 * combine.c (expand_compound_operation, expand_field_assignment):
3819 Fail if the bitfield's final position is out of bounds.
3821 2006-01-24 Ian Lance Taylor <ian@airs.com>
3824 * cgraphunit.c (cgraph_output_in_order): Don't clear
3825 cgraph_asm_nodes until after asm strings have been output.
3827 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
3829 * fix-header.c (read_scan_file): Add new parameter imultilib when
3830 calling register_include_chains.
3832 2006-01-23 Diego Novillo <dnovillo@redhat.com>
3834 * omp-low.c: Update documentation.
3836 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
3837 Daniel Berlin <dberlin@dberlin.org>
3841 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
3842 return from the function.
3844 2006-01-22 Zack Weinberg <zackw@panix.com>
3846 * rtl.def (match_code): Add second argument.
3847 * genpreds.c (write_extract_subexp): New function.
3848 (write_match_code): Add path argument. Use write_extract_subexp.
3849 (write_predicate_expr): Pass path to write_match_code.
3850 (mark_mode_tests): MATCH_CODE applied to a subexpression does
3851 not perform a mode test.
3852 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
3853 a subexpression does not constrain the top-level code set.
3854 * read-rtl.c (read_rtx_variadic): New function.
3855 (read_rtx_1): Use it; allow AND and IOR to be variadic.
3856 * doc/md.texi: Document new notation.
3857 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
3858 (cmpsi_operand): ... here, using new notation.
3860 2006-01-22 Zack Weinberg <zackw@panix.com>
3862 * varray.c: Remove GENERATOR_FILE #ifdefs.
3864 2006-01-22 Zack Weinberg <zackw@panix.com>
3866 * genautomata.c (output_reserved_units_table): Emit nothing if
3867 description->query_units_num is zero. Remove extra blank line.
3868 (output_cpu_unit_reservation_p): Short circuit
3869 if description->query_units_num is zero.
3871 2006-01-22 Zack Weinberg <zackw@panix.com>
3873 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
3874 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
3875 nor any of the random handful of variables that used to be necessary
3876 when this program was linked with rtlanal.o. Prune set of forward
3877 function declarations.
3878 (struct attr_desc): Remove static_p field.
3879 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
3880 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
3881 (attr_string): Do not read the character one past the length of
3883 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
3884 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
3885 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
3886 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
3887 (make_automaton_attrs): New.
3888 (main): Do not call into genautomata. Call local gen_bypass
3889 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
3890 Remove special case for insn_alts.
3891 * genautomata.c: Include gensupport.h; not genattrtab.h nor
3892 varray.h (leftover from previous change). Prune set of forward
3893 function declarations. Remove state_alts fields from all
3894 structures. Remove state_alts_table from struct automaton.
3895 Make everything except main static. Do not maintain num_dfa_decls.
3896 Do not maintain state_alts fields of various structures.
3897 (process_decls): Don't validate condexp for dm_insn_reserv decls.
3898 (add_arc): Remove state_alts argument. All callers updated.
3899 (output_reserved_units_table): Emit #ifdef here...
3900 (output_tables): ...not here. Don't generate state_alts tables.
3901 (expand_automata): Don't generate attributes.
3902 (write_automata): Don't generate state_alts functions.
3903 (main): New function.
3904 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
3905 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
3906 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
3907 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
3908 (BYPASS_P_FUNC_NAME, output_state_alts_table)
3909 (output_automata_list_state_alts_code, output_internal_state_alts_func)
3910 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
3911 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
3913 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
3914 * genattrtab.h: Delete file.
3915 * Makefile.in (OBJS-common): Add insn-automata.o.
3916 (insn-automata.o): New rule.
3917 (simple_generated_c): Add insn-automata.c.
3918 (build/genattrtab.o, build/genautomata.o): Update dependencies.
3919 (genprogmd): Add automata.
3920 (build/genattrtab): Needs no extra objects nor libraries.
3921 (build/genautomata): Needs build/vec.o and -lm.
3923 2006-01-22 Zack Weinberg <zackw@panix.com>
3925 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
3926 (output_dfa_max_issue_rate, locked_states_num): Delete.
3927 (struct automaton): Add locked_states field.
3928 (output_dead_lock_vect): Save number of locked states in
3929 automaton->locked_states. If it is zero, don't print anything.
3930 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
3931 (output_internal_dead_lock_func): Only test the dead_lock_vect
3932 for automata that have locked states.
3933 (output_statistics): Always print the number of locked states for
3934 each automaton. Calculate total number of locked states here.
3935 (write_automata): Don't call output_dfa_max_issue_rate.
3936 * genattrtab.c: Define length_unit_log as a const variable.
3937 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
3938 max_insn_queue_index const.
3939 * final.c (length_unit_log): Declare const.
3940 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
3942 2006-01-22 Zack Weinberg <zackw@panix.com>
3944 * genautomata.c: Include vec.h, not varray.h.
3945 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
3946 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
3947 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
3948 VEC_* macros operating on appropriately typed vectors, or to
3949 malloced arrays when the size is known in advance. Const-ify
3950 many char* variables and function arguments. No functional changes.
3951 * Makefile.in (build/varray.o): Delete rule.
3952 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
3953 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
3955 2006-01-22 Zack Weinberg <zackw@panix.com>
3957 * gensupport.c: Define get_insn_name and record_insn_name here.
3958 (read_md_rtx): Call record_insn_name as appropriate.
3959 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
3960 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
3961 * genpreds.c, genrecog.c: Don't define get_insn_name nor
3963 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
3964 (BUILD_VARRAY): Delete.
3965 (genprognormal): Rename genprogmd. Fold in all programs from
3966 genprognoprint; also attrtab.
3967 (build/genattrtab): Just mention genautomata.o and varray.o.
3968 Reorganize a bit, add comments to make the categories clearer.
3970 2006-01-22 Zack Weinberg <zackw@panix.com>
3972 * genconditions.c (condition_table, add_condition): Delete.
3973 (write_conditions): Don't emit n_insn_conditions nor
3974 insn_elision_unavailable. Issue the gcc version #ifdef here,
3975 inside the table, with no #else clause ...
3976 (write_header): ...not here.
3977 (write_writer): New function.
3978 (main): Don't initialize condition_table. Use add_c_test.
3980 * gensupport.c (init_md_reader_args_cb): Handle multiple input
3981 files on the command line.
3982 (maybe_eval_c_test): Don't check insn_elision_unavailable.
3983 Return -1 if there is no entry in the table, don't abort.
3984 (add_c_test, traverse_c_tests): New functions.
3985 * gensupport.h (insn_elision_unavailable, insn_conditions)
3986 (n_insn_conditions): Delete declarations.
3987 (add_c_test, traverse_c_tests): Declare.
3988 * read-rtl.c: Include gensupport.h.
3989 (read_conditions): New function.
3990 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
3991 (read_rtx_1): If we get EOF when we were looking for an initial
3992 open paren, return 0. Call read_conditions when appropriate.
3993 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
3994 dummy-conditions.o. Eliminate references to insn-conditions.o,
3995 or change them to build/gencondmd.o, as appropriate. Remove
3996 insn-constants.h from $(simple_generated_h) and insn-conditions.c
3997 from $(simple_generated_c). For all files remaining in those
3998 two lists, add insn-conditions.md to the generator command line.
3999 Give insn-constants.h/s-constants their own rules. Add rules
4000 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
4001 (build/read-rtl.o): Depend on gensupport.h.
4002 (genprognormal): Include preds.
4003 (genprogearly): Rename genprognoprint; only difference is now that
4004 they don't link with $(BUILD_PRINT).
4005 * dummy-conditions.c: Delete.
4007 2006-01-22 Zack Weinberg <zackw@panix.com>
4009 * genextract.c: Don't include insn-config.h. Do include vec.h.
4010 Declare vectors of int, char, and locstr.
4011 (locstr): New typedef.
4012 (struct extraction): Make all array fields into bare pointers.
4013 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
4014 (insn_code_number): Delete.
4015 (accum_extract): New struct.
4016 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
4017 (gen_insn): Take insn_code_number as an argument. Use an
4018 accum_extract structure instead of loading data directly into
4019 a struct extraction, and having to know how big it might get.
4020 (walk_rtx): Operate entirely on an accum_extract structure.
4021 (print_path): Avoid unnecessary use of printf.
4022 (print_header): New function, split out of main. Distinguish
4023 more carefully between an unrecognizable insn and an insn that
4024 has the code number of a define_expand.
4025 (main): Pass insn_code_number to gen_insn. Call print_header
4026 only after parsing. Avoid unnecessary use of printf.
4027 * Makefile.in (build/vec.o): New rule.
4028 (build/genextract): Depend on build/vec.o.
4029 (build/genextract.o): Don't depend on insn-config.h.
4031 2006-01-22 Zack Weinberg <zackw@panix.com>
4033 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
4034 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
4035 practical. Eliminate per-generator-program link rules.
4037 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
4040 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4041 with a call expr to ...
4042 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4044 2006-01-23 Richard Guenther <rguenther@suse.de>
4046 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
4047 before make_edge with conditional EDGE_TRUE_VALUE.
4049 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
4050 Jan Hubicka <jh@suse.cz>
4051 Richard Guenther <rguenther@suse.de>
4053 PR rtl-optimization/25654
4054 * cfgexpand.c (aggregate_contains_union_type): New function.
4055 (add_alias_set_conflicts): Call it. Make sure to add conflicts
4056 for structure variables that contain a union type.
4058 2006-01-23 Richard Sandiford <richard@codesourcery.com>
4060 * gengtype.c (new_structure): Return the structure.
4061 (create_option): Add an extra "next" argument.
4062 (create_field): New function.
4063 (adjust_field_rtx_def): Use create_option and create_field.
4064 Remove a now-unnecessary call to find_structure.
4065 (adjust_field_tree_def): Likewise.
4066 (note_yacc_type): Remove an unnecessary call to find_structure.
4067 * gengtype.h (new_structure): Return the structure.
4068 (create_option): Add an extra argument.
4069 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
4070 (option): Adjust calls to create_option.
4072 2006-01-22 David Edelsohn <edelsohn@gnu.org>
4074 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
4076 2006-01-22 Paul Brook <paul@codesourcery.com>
4077 Peter Barada <peter@the-baradas.com>
4079 * config/m68k/m68k.md: Add Coldfire FPU support.
4080 Define FP mode macro and associated attributes.
4081 Use it for float mode patterns.
4082 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
4083 (LIBCALL_VALUE): Use m68k_libcall_value.
4084 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
4085 (m68k_function_value): Ditto.
4086 (emit_move_sequence): Ditto.
4087 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
4088 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
4089 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
4090 (MULTILIB_EXCEPTIONS): Ditto.
4091 * config/m68k/m68k.opt: Add mcfv4e.
4092 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
4093 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
4094 (m68k_output_function_prologue): Save ColdFire FPU registers.
4095 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
4096 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
4097 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
4098 ColdFire FPU registers.
4099 (m68k_libcall_value, m68k_function_value): New functions.
4100 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
4101 (LIBCALL_VALUE): Use m68k_libcall_value.
4102 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
4103 (MASK_COLDFIRE): Add MASK_CFV4E.
4104 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
4105 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
4106 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
4107 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
4108 (GO_IF_LEGITIMATE_ADDRESS): Use it.
4109 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
4110 * doc/invoke.tex: Document -mcfv4e on m68k.
4112 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
4114 * doc/contribute.texi: Change CVS to SVN and update the corresponding
4117 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
4120 * c-opts.c (c_common_handle_option): Don't include
4121 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
4122 * doc/invoke.texi (C++ Dialect Options): Document that
4123 -Wnon-virtual-dtor is no longer included in -Wall.
4125 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
4127 * gcov.c (print_version), gcov-dump.c (print_version),
4128 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
4131 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
4133 * df-scan.c (problem_SCAN): Added NULL reset function.
4134 (df_scan_reset_blocks): Added code to call reset block function
4135 (df_bb_refs_delete) Fixed comment.
4136 (df_insn_refs_delete): Made tolerant of deleting non existent info
4137 for dataflow problems that need to be reset.
4138 * df-core.c (df_set_blocks): Ditto.
4139 * df.h (struct df_problem): Added reset_fun.
4140 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
4141 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
4142 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
4143 functions to clear out all references to def-use or use-def chains.
4145 2006-01-21 Ben Elliston <bje@au.ibm.com>
4147 * varasm.c (assemble_real): Initialise data array.
4149 2006-01-20 Paul Brook <paul@codesourcery.com>
4151 Merge from csl-arm-branch.
4152 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
4153 * config/arm/arm.md (movdi): Force operands[1] to a register
4154 if we have a non-register source.
4155 (*arm_movdi, *movdf_soft_insn): Require that one of the
4156 operands be a register.
4157 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
4158 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
4160 2006-01-20 DJ Delorie <dj@redhat.com>
4162 * varasm.c (initialize_constant_valid_p): Allow pointers
4163 initialized from integer constants of lesser precision.
4164 (output_constant): Allow non-int-sized pointer modes to be
4165 initialized from integer constants.
4167 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
4170 * cppdefault.h (struct default_include): Add multilib flag.
4171 * cppdefault.c (cpp_include_defaults): Set it.
4172 * c.opt (-imultilib): New option.
4173 * c-opts.c (imultilib): New.
4174 (c_common_handle_option): Handle -imultilib.
4175 (c_common_post_options): Likewise.
4176 * c-incpath.c (add_standard_paths, register_include_chains):
4178 * c-incpath.h (register_include_chains): Add extra parameter.
4179 * gcc.c (do_spec_1): Generate -imultilib option.
4180 (The Specs Language): Update %I description.
4181 (process_command): Update copyright notice.
4182 * doc/cppopts.texi (-imultilib): Document.
4183 * doc/invoke.texi (-imultilib): Include in option summary.
4184 (%I): Update specs documentation.
4186 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4188 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
4190 2006-01-20 Richard Sandiford <richard@codesourcery.com>
4192 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
4195 2006-01-20 Richard Guenther <rguenther@suse.de>
4196 Steven Bosscher <stevenb.gcc@gmail.com>
4198 PR rtl-optimization/24626
4199 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
4200 EDGE_TRUE_VALUE if in RTL mode.
4203 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
4204 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
4206 2006-01-20 Dirk Mueller <dmueller@suse.com>
4209 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
4210 instead of a special NOP marker.
4211 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
4212 NOP marker handling.
4213 * c-common.h (empty_body_warning): Add forward declaration.
4214 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
4215 Now uses IS_EMPTY_STMT() instead of special NOP markers.
4217 2006-01-20 Paul Brook <paul@codesourcery.com>
4219 * Makefile.in (lang_checks): Keep going if mkdir fails.
4221 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4223 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
4224 be able to clean out basic block when not necessary.
4225 (df_scan_free): Fixed to properly delete information if df is
4226 unused before calling df_finish.
4227 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
4228 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
4230 (df_bb_refs_delete): New function.
4231 (df_refs_delete): Moved per block code to df_bb_refs_delete.
4232 * df-core.c (df_set_blocks): Added code to properly clean out
4233 unused blocks if they are not part of the blocks to consider.
4234 Added additional null check.
4235 (df_compact_blocks): Added basic block parameter to free_bb_fun to
4236 be able to clean out basic block when not necessary
4237 * df.h (df_free_bb_function): Ditto.
4238 (df_bb_refs_delete): New function.
4239 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
4240 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
4241 basic block parameter to be able to clean out basic block when not
4243 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
4244 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
4245 Fixed to properly delete information if df is unused before
4248 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4250 PR rtl-optimization/25799
4251 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
4252 Corrected confluence operator to remove bits from op2 before oring
4253 with op1 rather than removing bits from op1.
4254 (df_ru_transfer_function): Corrected test on wrong bitmap which
4255 caused infinite loop. Both of these problems were introduced in
4256 the dataflow rewrite.
4258 2006-01-19 DJ Delorie <dj@redhat.com>
4260 * reload1.c (find_reload_regs): Note the details of reload
4261 failures in the dump file.
4262 (spill_failure): Likewise.
4264 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4266 * loop-iv.c: Include df.h and hashtab.h.
4267 (enum iv_grd_result): New enum.
4268 (DF_REF_IV, DF_REF_IV_SET): New macros.
4269 (struct biv_entry): New.
4270 (df, bivs): New global variables.
4271 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
4272 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
4274 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
4275 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
4276 analyzed_for_bivness_p, record_biv): New functions.
4277 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
4278 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
4279 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
4281 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
4283 (iv_number_of_iterations): Use new interface to iv analysis.
4284 * loop-unroll.c: Do not include varray.h.
4285 (analyze_iv_to_split_insn): Use new interface to iv
4287 * loop-unswitch.c (may_unswitch_on): Ditto.
4288 * df.c (df_bitmaps_free): Only work for bbs for that structures are
4290 (df_bb_modify): Realloc tables to the new index.
4291 (df_find_use): New function.
4292 * df.h (df_find_use): Declare.
4293 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
4295 * cfgloop.h (struct rtx_iv): Remove analysed field.
4296 (iv_get_reaching_def): Removed.
4297 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
4298 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
4299 (loop-iv.o): Add df.h and hashtab.h dependency.
4300 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
4302 2006-01-20 Alan Modra <amodra@bigpond.net.au>
4305 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
4307 (__floatundisf, __floatundidf): Likewise.
4308 * libgcc2.h (IS_IBM_EXTENDED): Define.
4310 2006-01-19 DJ Delorie <dj@redhat.com>
4312 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
4314 2006-01-19 Paul Brook <paul@codesourcery.com>
4316 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
4317 as nothrow when unwinding tables are disabled.
4319 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4322 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
4323 of bit-field" when in system header.
4325 2006-01-19 DJ Delorie <dj@redhat.com>
4327 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
4328 the 16 bit shift limit of the m16c.
4330 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
4333 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
4334 * config/i386/i386.c (output_set_got): Output the label if we have one
4335 for the TARGET_DEEP_BRANCH_PREDICTION case.
4337 2006-01-19 Jan Hubicka <jh@suse.cz>
4338 H.J. Lu <hongjiu.lu@intel.com>
4339 Evandro Menezes <evandro.menezes@amd.com>
4341 * invoke.texi (generic): Document
4343 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
4344 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
4345 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
4346 (x86_use_incdec, x86_pad_returns): New variables
4347 (TARGET_CPU_DEFAULT_generic): New constant
4348 (TARGET_CPU_DEFAULT_NAMES): Add generic.
4349 (enum processor_type): Add generic32 and generic64.
4350 * i386.md (cpu attribute): Add generic32/generic64
4351 (movhi splitter): Behave sanely when both partial_reg_dependency and
4352 partial_reg_stall are set.
4353 (K8 splitters): Enable for generic as well.
4354 * predicates.md (incdec_operand): Use TARGET_INCDEC
4355 (aligned_operand): Avoid memory mismatch stalls.
4356 * athlon.md: Enable for generic64, new patterns for 128bit moves.
4357 * ppro.md: Enable for generic32
4358 * i386.c (generic64_cost, generic32_cost): New.
4359 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
4360 (x86_use_leave): Enable for generic64. (x86_use_sahf,
4361 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
4362 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
4363 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4364 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4365 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4366 x86_accumulate_outgoing_args, x86_prologue_using_move,
4367 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4368 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
4370 (x86_use_incdec, x86_pad_returns): New.
4371 (override_options): Add generic32 and generic64, translate "generic"
4372 to generic32/generic64 and "i686" to "generic32", refuse
4373 "generic32"/"generic64" as arch target.
4374 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
4375 (ix86_reorg): Honor PAD_RETURNS.
4377 2006-01-19 Diego Novillo <dnovillo@redhat.com>
4379 * tree-pretty-print.c (dump_generic_node): Handle
4380 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
4381 * cgraph.c (cgraph_expand_queue): Rename from
4382 cgraph_analyze_queue. Update all users.
4383 * cgraphunit.c (cgraph_assemble_pending_functions): Process
4384 cgraph_expand_queue.
4385 (cgraph_expand_all_functions): Likewise.
4386 (cgraph_finalize_pending_functions): Remove. Update callers.
4388 * tree.h (OMP_DIRECTIVE_P): Define.
4389 (OMP_PARALLEL_FN): Define.
4390 (OMP_PARALLEL_DATA_ARG): Define.
4391 (OMP_SECTIONS_SECTIONS): Define.
4392 * tree-pass.h (pass_expand_omp): Declare.
4393 * omp-low.c (struct omp_region): Declare.
4394 (struct omp_context): Remove fields 'parallel_type',
4395 'parallel_start_ix' and 'parallel_start_additional_args'.
4397 (struct omp_for_data): Rename from struct expand_omp_for_data.
4398 (omp_regions): New static variable.
4399 (root_omp_region): New static variable.
4400 (find_omp_clause): Make static.
4401 (is_in_combined_parallel_ctx): Remove.
4402 (is_combined_parallel): New.
4403 (extract_omp_for_data): Move earlier in the file.
4404 (workshare_safe_to_combine_p): New.
4405 (get_ws_args_for): New.
4406 (determine_parallel_type): Move earlier in the file.
4407 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
4409 (omp_copy_decl): Likewise.
4410 (create_omp_child_function): Likewise.
4411 (lookup_omp_region): New.
4412 (dump_omp_region): New.
4413 (debug_omp_region): New.
4414 (debug_all_omp_regions): New.
4415 (new_omp_region): New.
4416 (scan_omp_parallel): If parallel_nesting_level > 1, the
4417 directive is nested within another parallel directive.
4418 Set OMP_PARALLEL_FN.
4419 (scan_omp_for): Do not try to handle combined parallel+for
4421 Remove FIXME comment.
4422 (scan_omp_nested): Remove.
4423 (scan_omp_1): Do not call scan_omp_nested when
4424 parallel_nesting_level is > 1.
4425 Do not change the DECL_CONTEXT of local variables found.
4426 (lookup_decl_in_outer_ctx): New.
4427 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
4428 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
4429 (lower_reduction_clauses): Rename from expand_reduction_clauses.
4430 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
4431 If CTX is nested, lookup VAR in the outer context when
4432 building copy assignment.
4433 (lower_send_clauses): Rename from expand_send_clauses.
4434 If CTX is nested, lookup VAR in the outer context when
4435 building copy assignments.
4436 (lower_send_shared_vars): Rename from expand_send_shared_vars.
4437 If CTX is nested, lookup VAR in the outer context when
4438 building copy assignments.
4439 (expand_parallel_call): Rename from build_parallel_call.
4440 Handle combined parallel+workshare cases.
4441 Re-implement to emit code into the CFG.
4443 (expand_omp_parallel): Re-implement to emit code into the CFG.
4444 Call move_sese_region_to_fn to outline the sub-graph
4445 containing the parallel region.
4446 (expand_omp_for_1): Remove.
4447 (expand_omp_for_generic): Re-implement to emit code into the
4449 (expand_omp_for_static_nochunk): Likewise.
4450 (expand_omp_for_static_chunk): Likewise.
4451 (expand_omp_for): Likewise.
4452 (expand_omp_sections): Likewise.
4453 (remove_exit_barriers): New.
4454 (expand_omp_synch): New.
4456 (build_omp_regions_1): New.
4457 (build_omp_regions): New.
4458 (execute_expand_omp): New.
4459 (gate_expand_omp): New.
4460 (pass_expand_omp): Define.
4461 (lower_omp_sections): Rename from expand_omp_sections.
4462 Set OMP_SECTIONS_SECTIONS.
4463 (lower_omp_single_simple): Rename from expand_omp_single_simple.
4464 (lower_omp_single_copy): Rename from expand_omp_single_copy.
4465 (lower_omp_single): Rename from expand_omp_simple.
4466 (lower_omp_master): Rename from expand_omp_master.
4467 (lower_omp_ordered): Rename from expand_omp_ordered.
4468 (lower_omp_critical): Rename from expand_omp_critical.
4469 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
4470 (lower_omp_for): Re-implement.
4471 (lower_omp_parallel): Re-implement.
4472 (lower_regimplify): Rename from expand_regimplify.
4473 (lower_omp_1): Rename from expand_omp_1.
4474 If there are syntax errors in the program, replace every
4475 OpenMP directive with NOP.
4476 Call lower_omp_* instead of expand_omp_*.
4477 (lower_omp): Rename from expand_omp.
4479 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
4480 * tree-gimple.h (enum omp_parallel_type): Remove.
4481 (gimple_boolify): Declare extern.
4482 (find_omp_clause, determine_parallel_type): Remove.
4484 * gimple-low.c (lower_omp_directive): New.
4485 (lower_stmt): Call it.
4486 (record_vars_into): Move from ...
4487 (record_vars): ... here.
4488 Call record_vars_into with current_function_decl.
4490 * gimplify.c (struct gimplify_ctx): Remove fields
4491 combined_pre_p and combined_ctxp. Update users.
4492 (get_formal_tmp_var): Add documentation.
4493 (gimple_boolify): Make extern.
4494 (gimplify_expr_in_ctx): Remove. Update callers.
4495 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
4496 will always be a BIND_EXPR.
4497 (gimplify_expr): Handle OMP_RETURN_EXPR.
4498 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
4499 (OMP_PARALLEL): Add 3 operands.
4500 (OMP_SECTIONS): Add 1 operand.
4501 (OMP_RETURN_EXPR): Define.
4503 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
4504 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
4505 * tree-iterator.c (alloc_stmt_list): Assert that we are not
4506 creating a circular free list.
4507 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
4509 * tree-flow.h (move_sese_region_to_fn): Declare.
4510 (record_vars_into): Declare.
4511 * tree-cfg.c (make_omp_sections_edges): New.
4512 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
4513 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
4514 OMP_SECTIONS and OMP_SECTION.
4515 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
4516 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
4517 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
4518 (gather_blocks_in_sese_region): New.
4519 (struct move_stmt_d): Declare.
4521 (move_block_to_fn): New.
4522 (move_sese_region_to_fn): New.
4524 * passes.c (init_optimization_passes): Schedule
4525 pass_expand_omp after pass_init_datastructures.
4527 * tree-ssa-operands.c (get_expr_operands): Handle
4528 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
4529 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
4531 2006-01-19 Jeff Law <law@redhat.com>
4533 * tree-vrp.c (extract_range_from_assert): Refine the result range
4534 if the variable referenced by the ASSERT_EXPR has a range and
4535 either the tentative result range or the previous range is a
4538 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4540 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
4542 2006-01-19 Jan Hubicka <jh@suse.cz>
4544 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
4546 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
4548 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
4549 (expand_compound_operation, expand_field_assignment): Fail if the
4550 bit lengths of an extract operation are out of range.
4551 (make_extraction): Compute wanted_inner_mode based on the position
4552 and length of the extraction. Make it extraction_mode for non-constant
4553 positions, and do not modify offset in that case. When generating a
4554 new MEM, use a mode that can hold the extraction while keeping correct
4555 alignment. Remove code that supported MEMs wrapped by USEs.
4556 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
4558 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
4560 * config/s390/s390.md ("Y", "y"): New mode attribute.
4561 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
4562 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
4563 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
4564 "*addsi3_imm_cc", "*addsi3_carry1_cc",
4565 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
4566 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
4567 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
4568 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
4569 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
4570 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
4571 "addsi3", "subsi3"): Insn patterns removed.
4572 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
4573 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
4574 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
4575 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
4576 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
4577 "*sub<mode>3_cconly2"): New insn patterns.
4578 ("addsi3", "subsi3"): New expanders.
4580 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
4582 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
4583 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
4584 existing STMT_VINFO_VECTYPE if available.
4585 (vect_mark_relevant): Add special handling for stmts that are
4586 marked as STMT_VINFO_IN_PATTERN_P.
4587 (vect_analyze_loop): Call vect_pattern_recog.
4588 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
4589 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
4591 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
4592 (vect_recog_func_ptr): New function-pointer type.
4593 * tree-vect-patterns.c: New file.
4594 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
4595 (vect_recog_dot_prod_pattern, vect_pattern_recog):
4596 (vect_pattern_recog_1): New functions.
4597 (vect_pattern_recog_funcs): New array of function pointers.
4599 * tree-vectorizer.h (ternary_op): New enum value.
4600 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
4601 declaration. Revised documentation. Removed redundant dump prints.
4602 Removed redundant argument. Added support for reduction patterns.
4603 (vectorizable_reduction): Added support for reduction patterns.
4604 (vect_transform_stmt): Added support for patterns.
4606 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
4607 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
4608 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
4609 (expand_widen_pattern_expr): New function.
4610 (init_optabs): Initialize new optabs udot_prod_optab,
4612 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
4613 (sdot_prod_optab, udot_prod_optab): Define new optabs.
4614 (expand_widen_pattern_expr): New function declaration.
4615 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
4617 * tree-inline.c (estimate_num_insns_1): Added cases for new
4618 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4619 * tree-pretty-print.c (dump_generic_node): Likewise.
4620 (op_prio): Likewise.
4621 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4622 * tree-ssa-operands.c (get_expr_operands): Added case for
4624 * tree-vect-patterns.c (widened_name_p): New function.
4625 (vect_recog_dot_prod_pattern): Added function implementation.
4626 * tree-vect-transform.c (get_initial_def_for_reduction): Added
4627 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
4628 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
4629 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
4631 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
4632 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
4633 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
4634 (init_optabs): Initialize new optabs widen_ssum_optab,
4636 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
4637 (widen_ssum_optab, widen_usum_optab): Define new optabs.
4638 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
4639 use instead of type of def.
4640 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
4641 function implementation.
4642 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
4643 widen_ssumv8hi): New.
4645 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
4648 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4651 * c-decl.c (add_flexible_array_elts_to_size): New function.
4652 (finish_decl): Use it.
4654 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
4656 * diagnostic.h: Include options.h.
4657 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
4658 dependancies for diagnostic.h.
4659 * Makefile.in (DIAGNOSTIC_H): Add options.h.
4661 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
4663 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
4664 (ssa_ro_call_cache_valid): Ditto.
4665 * tree-ssa-alias.c (sort_tags_by_id): New function.
4666 (init_transitive_clobber_worklist): Ditto.
4667 (add_to_worklist): Ditto.
4668 (mark_aliases_call_clobbered): Ditto.
4669 (compute_tag_properties): Ditto.
4670 (set_initial_properties): Ditto.
4671 (compute_call_clobbered): Ditto.
4672 (compute_may_aliases): Call compute_call_clobbered and grouping.
4673 (compute_flow_sensitive_aliasing): Remove clobbering related code.
4674 (compute_flow_insensitive_aliasing): Grouping now happens in our
4676 (setup_pointers_and_addressables): Remove clobbering related code.
4677 (add_may_alias): Ditto.
4678 (replace_may_alias): Ditto.
4679 (get_nmt_for): Ditto.
4680 (create_global_var):
4681 (is_escape_site): Return an escape_type enumeration.
4682 * tree-flow-inline.h (is_call_clobbered): Global var does not
4683 imply call clobbered.
4684 (mark_call_clobbered): Take a reason for marking this. Remove
4685 marking of globalness, and cache invalidation.
4686 (clear_call_clobbered): Remove cache invalidation code.
4687 * tree-dfa.c (dump_variable): If details is on, dump the reason
4689 * tree-outof-ssa.c (create_temp): Copy escape mask from original
4691 * tree-flow.h (struct ptr_info_def): Add escape mask member.
4692 (struct var_ann_d): Ditto.
4693 (enum escape_type): New.
4694 (mark_call_clobbered): Adjust prototype.
4695 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
4696 are never call clobbered.
4697 Record reasons for escaping.
4698 * tree-ssa-structalias.h (is_escape_site): Update prototype.
4699 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
4700 (ssa_ro_call_cache_valid): Ditto.
4701 (clobbered_v_may_defs): Ditto.
4702 (clobbered_vuses): Ditto.
4703 (ro_call_vuses): Ditto.
4704 (clobber_stats): New.
4705 (init_ssa_operands): Zero out clobber stats.
4706 (fini_ssa_operands): Print out clobber stats.
4707 (get_call_expr_operands): Pass callee fndecl to
4709 (add_call_clobber_ops): Remove use of cache.
4710 Add use of PURE_CONST information.
4711 (add_call_read_ops): Remove use of cache.
4712 Add use of static not_read information.
4714 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
4716 Introduce TLS descriptors for i386 and x86_64.
4717 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
4718 (TARGET_ANY_GNU_TLS): New macro.
4719 (enum tls_dialect): Added TLS_DIALECT_GNU2.
4720 (struct machine_function): Add tls_descriptor_call_expanded_p.
4721 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
4722 (ix86_current_function_calls_tls_descriptor): Likewise.
4723 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
4724 (override_options): Introduce gnu2 tls dialect.
4725 (ix86_frame_pointer_required): Functions containing TLSCALLs are
4727 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
4729 (legitimize_tls_address): Adjust logic for GNU2 TLS.
4730 (ix86_init_machine_status): Initialize new field.
4731 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
4732 (ix86_tls_module_base): New.
4733 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
4734 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
4735 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
4736 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
4737 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
4738 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
4739 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
4740 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
4741 * config/i386/predicates.md (tls_modbase_operand): New.
4742 (tp_or_register_operand): New.
4744 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
4746 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
4747 (look_for_address_of): Ditto.
4748 (ipa_init): Walk the function decls.
4749 (static_execute): Don't set readonly on FUNCTION_DECL's.
4751 2006-01-18 Roger Sayle <roger@eyesopen.com>
4753 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
4754 for shifts where the source and destination registers are different.
4756 2006-01-18 Paul Brook <paul@codesourcery.com>
4758 Merge from csl-arm-branch.
4759 2005-03-14 Julian Brown <julian@codesourcery.com>
4760 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
4761 (aeabi_llsl): Likewise.
4762 (ashrdi3): Likewise.
4763 (aeabi_lasr): Likewise.
4764 (lshrdi3): Likewise.
4765 (aeabi_llsr): Likewise.
4766 2005-03-10 Julian Brown <julian@codesourcery.com>
4767 * config.gcc: Disable shared libgcc for SymbianOS.
4768 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
4770 2006-01-18 DJ Delorie <dj@redhat.com>
4772 * c-pragma.c (handle_pragma_diagnostic): New.
4773 (init_pragma): Register it.
4774 * doc/extend.texi: Document it.
4776 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
4777 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
4778 (diagnostic_context): Add classify_diagnostic[].
4779 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
4780 as errors if they're overridden to DK_WARNING.
4781 (diagnostic_initialize): Initialize classify_diagnostic[].
4782 (diagnostic_set_kind_override): New.
4783 (diagnostic_report_diagnostic): Check for kind changes.
4784 * opts.c (common_handle_option): Take lang_mask. Update callers.
4786 * common.opt (Werror=): New.
4787 * doc/invoke.texi: Document -Werror=*
4789 2006-01-18 Jeff Law <law@redhat.com>
4791 * tree-vrp.c (test_for_singularity): Correct test for new
4792 min limit. Use operand_equal_p rather than pointer equality
4793 for testing if new min/max values are equal.
4795 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
4796 using range information until after propagation and folding.
4798 2006-01-18 Richard Henderson <rth@redhat.com>
4799 Aldy Hernandez <aldyh@redhat.com>
4800 Jakub Jelinek <jakub@redhat.com>
4801 Diego Novillo <dnovillo@redhat.com>
4803 * omp-low.c: New file.
4804 * c-omp.c: New file.
4806 2006-01-18 Richard Henderson <rth@redhat.com>
4807 Jakub Jelinek <jakub@redhat.com>
4808 Diego Novillo <dnovillo@redhat.com>
4810 * doc/invoke.texi: Document -fopenmp.
4811 * tree-dump.h (debug_function): Declare.
4812 * hooks.c (hook_bool_tree_bool_false): New function.
4813 (hook_tree_tree_null): Remove.
4814 (hook_tree_tree_tree_null): New.
4815 * hooks.h: Update to match.
4816 * tree-pretty-print.c (debug_tree_chain): New.
4817 (print_generic_expr): Handle TDF_CHAIN.
4818 (dump_generic_node): Handle BLOCK.
4819 Do not abort with incomplete SWITCH_EXPRs.
4820 Do not dump body of an OpenMP directive if TDF_SLIM is given.
4821 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
4822 print space after directive name.
4823 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
4824 Handle OMP_MASTER and OMP_ORDERED.
4825 Handle printing of OMP_BODY just in one place, goto
4826 dump_omp_body in the rest of OMP_* nodes that have
4828 Don't handle clause nodes here. Update omp statements to
4829 use dump_omp_clauses.
4830 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
4831 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
4832 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
4833 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
4834 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
4835 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
4836 Adjust output for GOMP_PARALLEL.
4837 (dump_omp_clauses): New.
4838 (print_declaration): Dump DECL_VALUE_EXPR.
4839 (op_symbol_1): Split out of op_symbol.
4840 (dumping_stmts): Remove. Update all users.
4841 * cgraph.c (cgraph_analyze_queue): New.
4842 (cgraph_add_new_function): New.
4843 * cgraph.h (cgraph_analyze_queue): Declare.
4844 (cgraph_add_new_function): Declare.
4845 (cgraph_lower_function): Remove.
4846 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
4847 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
4848 and TYPE_P nodes in its default clause.
4849 (empty_body_p): New.
4850 (tree_range_check_failed): New.
4852 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
4853 OMP_CLAUSE_REDUCTION_MERGE,
4854 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
4855 OMP_CLAUSE_PRIVATE_DEBUG,
4856 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
4857 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
4858 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
4859 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
4860 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
4861 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
4862 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
4863 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
4864 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
4865 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
4866 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
4867 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
4868 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
4869 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
4870 (TREE_RANGE_CHECK): New.
4871 (empty_body_p): Declare.
4872 (enum omp_clause_default_kind): New.
4873 (build_string_literal): Declare.
4874 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
4875 (build5_stat, build5): Declare.
4876 * tree-pass.h (TDF_CHAIN): Define.
4877 * tree-pass.h (PROP_gimple_lomp): Define.
4878 (pass_lower_omp): Declare.
4879 * diagnostic.h (debug_tree_chain): Declare.
4880 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
4882 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
4883 * builtins.c (build_string_literal): Make extern.
4884 * gcc.c (include_spec_function): New.
4885 (static_spec_functions): Add it.
4886 (main): Move load of libgomp.spec ...
4887 (LINK_COMMAND_SPEC): ... here.
4888 (link_gomp_spec): New.
4889 (static_specs): Include it.
4890 (LINK_COMMAND_SPEC): Add link_gomp.
4891 (GOMP_SELF_SPECS): New.
4892 (driver_self_specs): Include it.
4893 (switch_matches): Don't mark inline.
4894 (main): Load libgomp.spec.
4895 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
4896 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
4897 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
4898 * tree-gimple.h (enum omp_parallel): Declare.
4899 (determine_parallel_type): Declare.
4900 (omp_firstprivatize_variable): Declare.
4901 (omp_reduction_init): Declare.
4902 (diagnose_omp_structured_block_errors): Declare.
4903 (struct walk_stmt_info): Add want_return_expr.
4904 (struct walk_stmt_info): Add want_bind_expr, want_locations.
4905 (find_omp_clause): Declare.
4906 (insert_field_into_struct): Declare.
4907 (struct walk_stmt_info): Move from tree-nested.c
4908 (walk_stmts): Declare.
4909 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
4911 * cgraphunit.c (cgraph_lower_function): Make static.
4912 (cgraph_finalize_pending_functions): New.
4913 (cgraph_finalize_function): Call it.
4914 (cgraph_finalize_compilation_unit): Likewise.
4915 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
4916 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
4917 (BT_FN_UINT_UINT): New.
4918 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
4919 DEF_FUNCTION_TYPE_VAR_4): Document.
4920 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
4921 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
4922 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
4923 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
4924 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
4925 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
4926 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
4927 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
4928 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
4929 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
4930 into separate files.
4931 (DEF_GOMP_BUILTIN): New.
4932 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
4933 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
4934 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
4935 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
4936 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
4937 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
4938 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
4939 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
4940 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
4941 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
4942 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
4943 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
4944 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
4945 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
4946 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
4947 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
4948 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
4949 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
4950 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
4951 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
4952 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
4953 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
4954 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
4955 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
4956 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
4957 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
4958 * sync-builtins.def: New file, moved from builtins.def.
4959 * omp-builtins.def: New file, moved from builtins.def.
4960 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
4961 * gimple-low.c (lower_function_body): Clear data.
4962 (lower_stmt): Do not handle COMPOUND_EXPR.
4963 Remove call to print_node_brief.
4964 * c-tree.h (c_finish_omp_clauses): New prototype.
4965 (C_DECL_THREADPRIVATE_P): Define.
4966 (lookup_name_no_remap, c_omp_remap_private): Remove
4967 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
4968 (check_for_loop_decls): Update decl.
4969 (lookup_name_no_remap, c_omp_remap_private): Declare.
4970 (build_indirect_ref, build_modify_expr, pushdecl,
4971 pushdecl_top_level): Move to c-common.h.
4972 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
4973 before the switch, but just in the 2 places that need it.
4974 * c-decl.c (diagnose_mismatched_decls): Do not check for
4975 mismatched thread-local attributes when OLDDECL is marked
4976 threadprivate and NEWDECL has no thread-local attributes.
4977 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
4978 (c_gimple_diagnostics_recursively): Rename from
4979 c_warn_unused_result_recursively. Invoke
4980 diagnose_omp_structured_block_errors.
4981 (check_for_loop_decls): Return a singular decl found.
4982 * langhooks.c (lhd_omp_predetermined_sharing): Return
4983 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
4984 (lhd_omp_firstprivatize_type_sizes): New.
4985 (lhd_omp_assignment): New.
4986 (lhd_omp_predetermined_sharing): New.
4987 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
4988 (struct lang_hooks_for_types): Add
4989 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
4990 omp_predetermined_sharing, omp_disregard_value_expr,
4991 omp_private_debug_clause, omp_clause_default_ctor,
4992 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
4993 (c_finish_omp_clauses): New.
4994 (c_finish_bc_stmt): Diagnose break within omp for.
4995 (c_begin_omp_parallel, c_finish_omp_parallel): New.
4996 (build_unary_op): Return error_mark after reporting
4998 (build_modify_expr): Likewise.
4999 * gimplify.c: Include optabs.h and pointer-set.h.
5000 (enum gimplify_omp_var_data): Declare.
5001 (struct gimplify_omp_ctx): Declare.
5002 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
5004 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
5005 (push_gimplify_context, pop_gimplify_context): Allow nesting.
5006 (splay_tree_compare_decl_uid): New.
5007 (new_omp_context): New.
5008 (delete_omp_context): New.
5009 (gimple_add_tmp_var): Call omp_add_variable.
5010 (gimplify_bind_expr): Likewise.
5011 (gimplify_var_or_parm_decl): If omp_notice_variable returned
5012 true, disregard DECL_VALUE_EXPR on the decl if any.
5013 (gimplify_expr_in_ctx): New.
5014 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
5015 omp_add_variable, omp_notice_variable, omp_is_private
5016 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
5017 gimplify_adjust_omp_clauses, gimplify_omp_parallel
5018 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
5019 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
5020 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
5021 gimplify_omp_atomic): New.
5022 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5023 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5024 OMP_CRITICAL and OMP_ATOMIC.
5025 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
5026 * c-pragma.h (enum pragma_kind): Add
5027 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
5028 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
5029 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
5030 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
5031 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
5032 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
5033 PRAGMA_OMP_THREADPRIVATE.
5034 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5035 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5036 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
5037 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
5038 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
5039 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
5040 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
5041 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
5042 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
5043 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
5044 * tree-ssa-dce.c (find_control_dependence): Do not assume that
5045 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
5046 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
5048 (struct nesting_info): Add field_map,
5049 suppress_expansion, debug_var_chain.
5050 (create_nesting_tree): Initialize them.
5051 (lookup_field_for_decl): Use field_map.
5052 (get_nonlocal_debug_decl, get_local_debug_decl): New.
5053 (convert_local_omp_clauses): New.
5054 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
5055 (walk_body): Split out of walk_function.
5056 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
5057 (convert_nonlocal_reference): Handle omp statements.
5058 (convert_local_reference): Likewise.
5059 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
5060 (unnest_nesting_tree): New.
5061 (lower_nested_functions): Call it.
5062 (insert_field_into_struct): Make extern.
5063 (struct walk_stmt_info): Move to tree-gimple.h.
5064 (walk_stmts): Make extern.
5065 * omp-builtins.def: New file.
5066 * tree-iterator.c (expr_only): Clarify comment.
5067 * c-common.h (pushdecl_top_level, pushdecl,
5068 build_modify_expr, build_indirect_ref,
5069 c_finish_omp_master, c_finish_omp_critical,
5070 c_finish_omp_ordered, c_finish_omp_barrier,
5071 c_finish_omp_atomic, c_finish_omp_flush,
5072 c_finish_omp_for, c_split_parallel_clauses,
5073 omp_clause_default_kind, c_omp_sharing_predetermined,
5074 c_omp_remap_decl): Declare.
5075 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
5076 (OBJS-common): Add omp-low.o.
5077 (c-omp.o, omp-low.o): Add.
5078 (gimplify.o): Add dependency on $(OPTABS_H).
5079 (GTFILES): Add omp-low.c.
5080 (gt-stringpool.h): Add.
5081 * tree-cfg.c (set_bb_for_stmt): Do not update the
5082 block-to-labels map if we are currently expanding to RTL.
5083 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
5085 Handle IDENTIFIER_NODE.
5086 (tree_verify_flow_info): Do not ICE when emitting error
5087 messages about invalid labels.
5088 (dump_function_to_file): Reset CFUN before emitting the body
5090 (debug_function): New.
5091 * passes.c (init_optimization_passes): Schedule
5093 * langhooks-def.h (lhd_omp_predetermined_sharing,
5094 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
5096 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
5097 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
5098 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
5099 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
5100 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
5101 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
5102 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
5103 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
5104 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
5105 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
5106 (LANG_HOOK_DECLS): Use them.
5108 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
5109 Richard Henderson <rth@redhat.com>
5110 Jakub Jelinek <jakub@redhat.com>
5111 Diego Novillo <dnovillo@redhat.com>
5113 * c-parser.c (pragma_omp_clause): Define.
5114 (c_parser_declaration_or_fndef): Document OpenMP syntax.
5115 (c_parser_compound_statement): Likewise.
5116 (c_parser_statement): Likewise.
5117 (c_parser_pragma): Handle omp pragmas.
5118 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
5119 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
5120 (c_parser_omp_clause_name, check_no_duplicate_clause,
5121 c_parser_omp_variable_list,
5122 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
5123 c_parser_omp_clause_copyprivate,
5124 c_parser_omp_clause_default,
5125 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
5126 c_parser_omp_clause_lastprivate,
5127 c_parser_omp_clause_nowait,
5128 c_parser_omp_clause_num_threads,
5129 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
5130 c_parser_omp_clause_reduction,
5131 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
5132 c_parser_omp_all_clauses, c_parser_omp_structured_block,
5133 c_parser_omp_atomic, c_parser_omp_barrier,
5134 c_parser_omp_critical, c_parser_omp_flush,
5135 c_parser_omp_for_loop, c_parser_omp_for,
5136 c_parser_omp_master, c_parser_omp_ordered,
5137 c_parser_omp_sections_scope, c_parser_omp_sections,
5138 c_parser_omp_parallel, c_parser_omp_single,
5139 c_parser_omp_construct, c_parser_omp_threadprivate): New.
5140 * c-pragma.c (init_pragma): Do omp pragma registration here.
5141 * c.opt (fopenmp): New flag.
5143 2006-01-18 Eric Christopher <echristo@apple.com>
5145 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
5146 * config/darwin.h (GOMP_SELF_SPECS): Define.
5148 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5150 * rtl.h: Remove the prototype for reg_alloc.
5152 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5155 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
5156 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
5157 sjlj and dwarf2 exception handling.
5158 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
5159 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
5160 * pa/pa.c (function_value): Treat complex and vector types as
5162 (function_arg): Likewise. Only pass scalar floats in the floating
5163 point argument registers.
5164 * pa/t-slibgcc-dwarf-ver: New file.
5165 * pa/t-slibgcc-sjlj-ver: New file.
5166 * pa/t-slibgcc-elf-ver: Delete file.
5168 2006-01-19 Alan Modra <amodra@bigpond.net.au>
5170 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
5171 unlikely_test_section_p test.
5173 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5175 * mode-switching.c (optimize_mode_switching): Make it static.
5176 * basic-block.h: Remove the prototype for
5177 optimize_mode_switching.
5179 * modulo-sched.c (sms_schedule): Make it static.
5180 * rtl.h: Remove the prototype for sms_schedule.
5182 * postreload-gcse.c (gcse_after_reload_main): Make it static.
5183 * rtl.h: Remove the prototype for gcse_after_reload_main.
5185 * reg-stack.c (reg_to_stack): Make it static.
5186 * rtl.h: Remove the prototype for reg_to_stack.
5188 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
5190 * rtl.h: Remove the prototypes for regrename_optimize and
5191 copyprop_hardreg_forward.
5193 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
5195 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
5196 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
5197 Test against the appropriate null constant for the mode.
5198 If 'fixup_overlap' is true, swap the operands if they overlap.
5199 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
5200 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
5201 alpha_split_tmode_pair and adjust for above change.
5202 * config/alpha/alpha.md (movtf_internal): Adjust call to
5203 alpha_split_tfmode_pair and rely on it to swap the operands.
5204 (movti_internal): New insn and post-reload splitter.
5205 (movti): New expander.
5207 2006-01-18 Philippe De Muyter <phdm@macqel.be>
5209 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
5212 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5214 * rtlanal.c (global_reg_mentioned_p_1,
5215 global_reg_mentioned_p): Remove.
5216 * rtl.h: Remove the prototype for global_reg_mentioned_p.
5218 * flow.c (initialize_uninitialized_subregs): Make it static.
5219 * rtl.h: Remove the prototype for
5220 initialize_uninitialized_subregs.
5222 * function.c (instantiate_virtual_regs): Make it static.
5223 * function.h: Remove the prototype for
5224 instantiate_virtual_regs.
5226 * regmove.c (regmove_optimize, combine_stack_adjustments):
5228 * rtl.h: Remove the prototypes for regmove_optimize and
5229 combine_stack_adjustments.
5231 2006-01-17 Roger Sayle <roger@eyesopen.com>
5233 * config/i386/i386.c (COSTS_N_BYTES): New macro.
5234 (size_cost): Encode costs in bytes so that a reg-reg addition is
5235 equivalent to COSTS_N_INSNS(1).
5236 (override_options): Use the size_cost.branch_cost as the default
5237 ix86_branch_cost when optimizing for size.
5239 2006-01-18 Ben Elliston <bje@au.ibm.com>
5241 * Makefile.in (D32PBIT_FUNCS): New.
5242 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
5243 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
5244 D64PBIT_FUNCS and D128PBIT_FUNCS.
5245 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
5246 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
5248 (decnumber_dep): Define.
5249 * doc/libgcc.texi (Decimal float library routines): New node.
5250 * config/dfp-bit.h, config/dfp-bit.c: New files.
5252 2006-01-18 Ben Elliston <bje@au.ibm.com>
5254 * expr.c (emit_move_change_mode): Always adjust addresses, not
5255 just during reload. Copy replacements only during reload.
5256 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
5257 emit_move_via_integer.
5259 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
5261 * Makefile.in (check-%, check-consistency): Use $${srcdir}
5262 instead of $(srcdir) and ${srcdir}.
5264 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
5268 * arm.h (struct machine_function): Add pic_reg.
5269 * arm.c (arm_pic_register): Make unsigned.
5270 (arm_override_options): Only set arm_pic_register if
5271 TARGET_SINGLE_PIC_BASE.
5272 (use_return_insn): Only test for a pic register if it is fixed.
5273 (arm_compute_save_reg0_reg12_mask): Likewise.
5274 (thumb_compute_save_reg_mask): Likewise.
5275 (legitimate_pic_operand): Factor out some known invariants.
5276 (legitimize_pic_address): If we don't have a fixed pic register,
5277 then set up a pseudo in the function entry sequence. Handle the
5278 pic base being in a pseudo.
5279 (arm_load_pic_register): Handle the pic register being in a pseudo.
5280 (arm_expand_prologue): Only set up the pic register if it is fixed.
5281 (thumb_expand_prologue): Likewise.
5282 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
5283 (pic_load_addr_based_insn): Likewise.
5284 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
5287 2006-01-18 Ben Elliston <bje@au.ibm.com>
5289 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
5290 decimal float modes for all floating point registers.
5292 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
5293 match_code "mem" with match_test "macho_lo_sum_memory_operand".
5295 2006-01-17 Jakub Jelinek <jakub@redhat.com>
5298 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
5299 even when the pointer is not NULL.
5301 2006-01-16 Ian Lance Taylor <ian@airs.com>
5303 * common.opt (ftoplevel-reorder): New option.
5304 * cgraph.c (cgraph_asm_nodes): New global variable.
5305 (cgraph_asm_last_node): New static variable.
5306 (cgraph_order): New global variable.
5307 (cgraph_create_node): Set new order field.
5308 (cgraph_varpool_node): Likewise.
5309 (decide_is_variable_needed): Return true if not
5310 flag_toplevel_reorder.
5311 (cgraph_add_asm_node): New function.
5312 * cgraph.h (struct cgraph_node): Add order field.
5313 (struct cgraph_varpool_node): Add order field.
5314 (struct cgraph_asm_node): Define.
5315 (cgraph_asm_nodes, cgraph_order): Declare.
5316 (cgraph_add_asm_node): Declare.
5317 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
5319 (cgraph_varpool_assemble_pending_decls): Call it.
5320 (cgraph_output_pending_asms): New static function.
5321 (cgraph_finalize_compilation_unit): Call it.
5322 (struct cgraph_order_sort): Define.
5323 (cgraph_output_in_order): New static function.
5324 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
5325 !flag_toplevel_reorder case.
5326 * c-parser.c: Include "cgraph.h".
5327 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
5329 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
5330 than -fno-unit-at-a-time.
5331 * doc/invoke.texi (Option Summary): Mention
5332 -fno-toplevel-reorder.
5333 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
5334 -funit-at-a-time documentation.
5336 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
5337 Kazu Hirata <kazu@codesourcery.com>
5339 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
5341 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
5343 * Makefile.in (FUNCTION_H): New. Use it instead of
5344 function.h throughout the file.
5345 * function.h: Include tree.h.
5347 2006-01-17 Ben Elliston <bje@au.ibm.com>
5349 * recog.c: Separate some functions with whitespace.
5351 2006-01-16 Richard Henderson <rth@redhat.com>
5353 Merge from gomp branch:
5354 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
5355 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
5356 and rename from struct inline_data. Rename callee* to dst*;
5357 caller* to src*; add copy_decl hook, transform_call_graph_edges,
5358 transform_new_cfg, transform_return_to_modify, and
5359 transform_lang_insert_block flags; remove cloning_p, versioning_p,
5361 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
5362 (copy_decl_for_dup): Remove.
5363 * tree-inline.c (struct inline_data): Move to header.
5364 (insert_decl_map): Export.
5365 (remap_decl): Update for member name changes. Use copy_decl hook.
5366 Allow for replacement to be a non-decl. Remove dead code.
5367 (remap_type_1): Check for existing mapping.
5368 (remap_type): Export.
5369 (remap_decls): Update for member name changes.
5370 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
5371 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
5372 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
5373 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
5374 (tree_function_versioning, build_duplicate_type): Likewise.
5375 (copy_body_r): Likewise. Export.
5376 (copy_decl_for_dup): Split into ...
5377 (copy_decl_for_dup_finish, copy_decl_to_var,
5378 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
5379 (replace_ref_tree, inlining_p): Remove.
5381 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5383 * ifcvt.c (if_convert): Make it static.
5384 * rtl.h: Remove the prototype for if_convert.
5386 * local-alloc.c (local_alloc): Make it static.
5387 * rtl.h: Remove the prototype for local_alloc.
5389 * loop.c (loop_optimize): Make it static.
5390 * cfgloop.h: Remove the prototype for loop_optimize.
5393 2006-01-16 DJ Delorie <dj@redhat.com>
5395 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
5398 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5400 * pa.md: Disparage copies between general and floating-point registers
5401 in 32-bit move patterns.
5403 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
5406 * Makefile.in (check-%): Depend on site.exp instead of
5407 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
5410 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5412 * global.c (global_alloc): Make it static.
5413 * rtl.h: Remove the prototype for global_alloc.
5415 2006-01-16 Richard Guenther <rguenther@suse.de>
5417 * tree-ssa-alias.c (struct used_part): Add write_only field.
5418 (get_or_create_used_part_for): Initialize it to true.
5419 (create_overlap_variables_for): Don't create structure variables
5420 for structures that only are written to.
5421 (find_used_portions): Handle MODIFY_EXPR to track whether a
5422 structure is only written to.
5424 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5426 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
5428 * basic-block.h: Remove the prototype for
5429 partition_hot_cold_basic_blocks.
5431 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
5433 * cppspec.c (lang_specific_spec_functions): Remove.
5434 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
5435 * gcc.h (lang_specific_spec_functions): Remove.
5436 * gccspec.c (lang_specific_spec_functions): Remove.
5438 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
5440 * combine.c (record_value_for_reg): Invalidate registers
5442 (record_dead_and_set_regs_1): Likewise, by passing them to
5443 record_value_for_reg.
5444 (record_dead_and_set_regs): Invalidate stores made by a
5445 call. We do not combine across a call, but we still
5446 relied on equivalences.
5448 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5450 * tree-vrp.c (extract_range_from_binary_expr): Cope with
5451 vrp_int_const_binop returning non-constant nodes.
5453 2006-01-16 Paul Brook <paul@codesourcery.com>
5455 * config/m68k/m68k.c (output_move_const_into_data_reg):
5456 Output correct mnemonic for mvz and mvs.
5458 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
5460 * rtl-factoring.c: Add sequence abstraction algorithm.
5461 * cfgcleanup.c (outgoing_edges_match): Extra checks.
5462 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
5464 (block_has_preserve_label): New function.
5465 * common.opt: Register new pass.
5466 * Makefile.in: Ditto.
5468 * timevar.def: Ditto.
5469 * tree-pass.h: Ditto.
5470 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
5471 * rtl.h (make_jump_insn_raw): Add forward decl.
5472 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
5474 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5475 Roger Sayle <roger@eyesopen.com>
5477 * fold-const.c (fold_minmax): New static function.
5478 (fold_binary) <MIN_EXPR>: Call it.
5479 <MAX_EXPR>: Likewise.
5480 * stor-layout.c (place_field): Use DECL_SIZE consistently
5481 in the computation of the new record size.
5483 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5485 * cse.c (cse_condition_code_reg): Make it static.
5486 * rtl.h: Remove the prototype for cse_condition_code_reg.
5488 * combine.c (combine_instructions): Make it static.
5489 * rtl.h: Remove the prototype for combine_instructions.
5491 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5494 * tree.c (get_file_function_name_long): Concatenate the first global
5495 object name with a string derived from the input filename of the object
5498 2006-01-16 Ben Elliston <bje@au.ibm.com>
5500 * config/i386/winnt-stubs.c: Update FSF address.
5501 * config/xtensa/ieee754-df.S: Ditto.
5502 * config/xtensa/ieee754-sf.S: Ditto.
5504 2006-01-14 Ian Lance Taylor <ian@airs.com>
5506 * ifcvt.c (noce_init_if_info): New static function, broken out of
5507 noce_process_if_block.
5508 (noce_process_if_block): Call noce_init_if_info.
5509 (check_cond_move_block): New static function.
5510 (cond_move_process_if_block): New static function.
5511 (process_if_block): Call cond_move_process_if_block.
5513 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
5515 * cselib.c (hash_table): Rename to cselib_hash_table.
5516 (cselib_clear_table, discard_useless_values,
5517 remove_useless_values, cselib_lookup_mem, cselib_lookup,
5518 cselib_init, cselib_finish): Adjust uses of hash_table.
5520 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
5522 PR tree-optimization/25485
5523 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
5524 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
5525 is known to be false and true, respectively.
5527 2006-01-14 Richard Guenther <rguenther@suse.de>
5529 PR tree-optimization/22548
5530 PR tree-optimization/22555
5531 PR tree-optimization/22501
5532 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
5533 * params.def (salias-max-array-elements): New parameter.
5534 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
5535 * doc/invoke.texi (salias-max-array-elements): Document.
5536 * tree-flow-inline.h (var_can_have_subvars): We also handle
5538 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
5540 * tree-ssa-structalias.c (params.h): Include.
5541 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
5542 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
5543 (get_constraint_for): For ADDR_EXPR operating on something
5544 containing an ARRAY_REF, add all subvars to the solution.
5545 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
5546 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
5547 for creating MUST_DEFs.
5548 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
5550 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
5552 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
5554 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
5555 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5556 number_of_iterations_le): New functions.
5557 (number_of_iterations_special): Removed.
5558 (number_of_iterations_exit): Do not use number_of_iterations_special.
5559 * tree.c (unsigned_type_for): Always return integer type.
5561 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
5562 Richard Guenther <rguenther@suse.de>
5564 PR rtl-optimization/24257
5565 * gcse.c (find_moveable_store): Only consider a store movable
5566 when the SET_SRC of the insn can be assigned to a register.
5568 2006-01-14 Ian Lance Taylor <ian@airs.com>
5570 * tree.c (tree_not_class_check_failed): New function.
5571 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
5572 (tree_not_class_check_failed): Declare.
5574 2006-01-13 Ian Lance Taylor <ian@airs.com>
5576 * reload1.c (do_output_reload): Add assertion rejecting a
5579 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
5581 * combine.c (struct reg_stat): Add new fields truncation_label and
5583 (record_value_for_reg): Reset truncated_to_mode.
5584 (record_truncated_value): New function.
5585 (check_promoted_subreg): Call it. Rename to check_conversions.
5586 (combine_instructions): Rename check_promoted_subreg to
5588 (reg_truncated_to_mode): New function.
5589 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
5590 (gen_lowpart_or_truncate): New function.
5591 (force_to_mode): Use it instead of gen_lowpart.
5593 2006-01-13 Diego Novillo <dnovillo@redhat.com>
5595 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
5596 VAR is a tag, not its type tag.
5598 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
5600 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
5601 alternatives to match style of other entries.
5602 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
5604 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
5606 PR tree-optimization/25771
5607 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
5610 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
5613 * tree-inline.c (declare_return_variable): If the return variable
5614 was marked as a non gimple complex, set the return slot variable
5615 to be a non gimple comple variable.
5617 2006-01-13 Richard Guenther <rguenther@suse.de>
5619 * builtins.c (expand_builtin_sincos): New function.
5620 (expand_builtin_mathfn_3): Remove dead code, sin and cos
5622 (expand_builtin): Expand sincos using expand_builtin_sincos.
5624 2006-01-12 DJ Delorie <dj@redhat.com>
5626 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
5627 shift counts, separate SI shifts for m32c vs m16c, pass shift type
5628 so that constant shifts can be split.
5629 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
5630 (m32c_valid_pointer_mode): Make static.
5631 (shift_gen_func_for): New.
5632 (m32c_prepare_shift): Use it. Split large const shifts into
5634 * config/m32c/predicates.md (shiftcount_operand): Allow more
5636 (longshiftcount_operand): New.
5637 * doc/md.texi (Machine Constraints): Document In6.
5639 2006-01-13 Ben Elliston <bje@au.ibm.com>
5641 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
5642 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
5645 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
5647 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
5648 to try to avoid clobbering pieces of structures when we know
5649 something about the whole structure.
5650 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
5652 2006-01-13 Ben Elliston <bje@au.ibm.com>
5654 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
5655 return in memory, as this is no limitation is no longer present.
5657 2006-01-12 DJ Delorie <dj@redhat.com>
5659 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
5660 mova with fb, and for fb+0 -> An.
5662 * config/m32c/mov.md (peephole2): Fix enabling logic.
5664 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
5665 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
5666 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
5667 FINI_ARRAY_SECTION_ASM_OP): Define.
5669 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
5671 (m32c_legitimize_reload_address): New logic to reload FB to An.
5672 (m32c_output_reg_push): Add newline.
5673 (m32c_output_reg_pop): Likewise.
5675 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
5677 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
5679 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
5681 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
5683 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5685 * config/sh/predicates.md (sh_rep_vec): Add parallel to
5688 2006-01-11 Ben Elliston <bje@au.ibm.com>
5690 * rtlanal.c (find_reg_note): Assert insn is not null.
5692 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
5694 * df-scan.c (df_hard_reg_init): Move declaration of i outside
5697 2006-01-11 Jeff Law <law@redhat.com>
5699 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
5701 (mark_threaded_blocks, register_jump_thread): New functions.
5702 (thread_through_all_blocks): Remove unwanted argument. No
5703 longer rely on e->aux to communicate thread target info.
5704 Call mark_threaded_blocks. Release the threaded_blocks
5705 bitmap and threaded_edges vector when complete.
5706 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
5707 (threaded_blocks): Remove.
5708 (tree_ssa_dominator_optimize): Remove initialization and
5709 finalization of threaded_blocks. Simplify call to
5710 thread_through_all_blocks.
5711 (thread_across_edge): Call register_jump_thread rather than
5712 storing thread information into e->aux.
5713 (free_all_edge_infos): Simplify now that e->aux is no longer
5714 used to communicate with thread_through_all_blocks.
5715 * tree-flow.h (thread_through_all_blocks): Update prototype.
5716 (register_jump_thread): Prototype.
5718 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5720 * df-core.c (df_compact_blocks, df_bb_replace): Use
5721 SET_BASIC_BLOCK instead of BASIC_BLOCK.
5723 2006-01-11 Richard Guenther <rguenther@suse.de>
5725 PR tree-optimization/25734
5726 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
5727 stop propagation after successful propagation to the LHS.
5729 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5731 * basic-block.h (control_flow_graph): Change the type of
5732 x_basic_block_info to VEC(basic_block,gc) *.
5733 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
5735 (SET_BASIC_BLOCK): New.
5736 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
5737 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
5738 * cfgbuild.c (find_basic_blocks): Likewise.
5739 * cfglayout.c (fixup_reorder_chain): Likewise.
5740 * cfgrtl.c (create_basic_block_structure,
5741 rtl_create_basic_block): Likewise.
5742 * ifcvt.c (find_if_case_1): Likewise.
5743 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
5746 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
5748 * Makefile.in: Removed rotted odf.c entry.
5750 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
5753 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
5754 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
5755 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
5756 output pattern modifier, not %e.
5757 * config/cris/cris.c (cris_op_str): Update comment about pattern
5759 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
5760 before falling through into...
5761 <case 'E'>: Redefined from old 'e' case.
5763 2006-01-11 Jan Hubicka <jh@suse.cz>
5766 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
5768 2006-01-11 Jan Hubicka <jh@suse.cz>
5770 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
5771 * i386.c (x86_decompose_lea): Kill.
5772 (ix86_rtx_costs): Kill.
5774 2006-01-11 Jan Hubicka <jh@suse.cz>
5776 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
5777 * cgraph.h (cgraph_node): Add inline_decl.
5778 (cgraph_insert_node_to_hashtable): Declare.
5779 (save_inline_function_body): Declare.
5780 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
5782 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
5783 (cgraph_function_versioning): Update call of tree_function_versioning.
5784 (save_inline_function_body): New function.
5785 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
5786 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
5787 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
5788 (cgraph_default_inline_p): Likewise.
5789 (cgraph_decide_inlining_incrementally): Likewise.
5790 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
5791 (copy_bb): Kill saving; do updating of clones.
5792 (copy_cfg_body): Kill saving.
5793 (initialize_inlined-parameters): Likewise.
5794 (expand_call_inline): Likewise.
5796 (tree_function_versioning): New parameter "update_clones".
5797 (inlining_p): Kill saving.
5798 * tree-inline.h (tree_function_versioning): Update prototype.
5799 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
5802 2006-01-11 Ian Lance Taylor <ian@airs.com>
5804 * combine.c (struct undo): Remove is_int. Enumify types of undos.
5805 Allow undoing set of machine mode.
5806 (do_SUBST): Use enums instead of is_int.
5807 (do_SUBST_MODE): New function.
5808 (SUBST_MODE): New macro.
5809 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
5810 reg and trying to replace reg_regno_rtx with a new register.
5811 (undo_all): Use new enums, handle undoing a PUT_MODE change.
5812 (simplify_set): Use SUBST_MODE.
5813 (distribute_notes): Remove code that tried to update reg notes
5814 for regno_reg_rtx changes.
5816 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
5818 PR tree-optimization/23109
5819 PR tree-optimization/23948
5820 PR tree-optimization/24123
5822 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
5823 * tree-cfg.c (single_noncomplex_succ): New.
5824 * tree-flow.h (single_noncomplex_succ): Declare it.
5825 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
5826 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
5827 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
5828 insert_bb, register_division_in, insert_reciprocals,
5829 replace_reciprocal, free_bb): New.
5830 (execute_cse_reciprocals_1): Rewritten.
5831 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
5832 Do not commit any edge insertion. Always compute dominators and
5833 create the allocation pool.
5834 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
5835 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
5836 * targhooks.c (default_min_divistions_for_recip_mul): New.
5837 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
5838 * passes.c (init_optimization_passes): Run recip after tree loop
5840 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
5842 2006-01-11 Danny Berlin <dberlin@dberlin.org>
5843 Kenneth Zadeck <zadeck@naturalbridge.com>
5845 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
5846 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
5847 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
5848 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
5849 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
5850 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
5851 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
5852 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
5853 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
5854 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
5855 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
5856 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
5857 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
5858 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
5859 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
5860 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
5861 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
5862 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
5863 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
5864 DF_SCAN_POST_ALLOC): New macros.
5865 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
5866 df_free_bb_function, df_local_compute_function, df_init_function,
5867 df_dataflow_function, df_confluence_function_0,
5868 df_confluence_function_n, df_transfer_function,
5869 df_finalizer_function, df_free_function, df_dump_problem_function,
5870 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
5871 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
5872 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
5873 df_urec_bb_info, ) New types.
5874 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
5876 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
5877 df_analyze_simple_change_some_blocks,
5878 df_analyze_simple_change_one_block, df_compact_blocks,
5879 df_bb_replace, df_bb_regno_last_use_find,
5880 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
5881 df_insn_regno_def_p, df_find_def, df_find_use,
5882 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
5883 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
5884 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
5885 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
5886 debug_df_chain, df_get_dependent_problem, df_chain_create,
5887 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
5888 df_grow_bb_info, df_chain_dump, df_print_bb_index,
5889 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
5890 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
5891 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
5892 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
5893 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
5894 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
5895 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
5896 df_ref_remove, df_insn_refs_delete, df_refs_delete,
5897 df_reorganize_refs, df_set_state, df_hard_reg_init,
5898 df_read_modify_subreg_p) New public functions.
5899 * df-core.c: The core dataflow solver and glue routines for rtl
5901 (df_init, df_add_problem, df_set_blocks, df_finish,
5902 df_hybrid_search_forward, df_hybrid_search_backward,
5903 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
5904 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
5905 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
5906 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
5907 df_reg_defined, df_find_use, df_reg_used, df_dump,
5908 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
5909 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
5910 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
5911 debug_df_useno, reset_df_after_reload): New functions.
5912 * df-scan.c: The scanning fuctions, once in df.c, completely
5913 rewritten so that they now fully model the functionality of
5914 register usage at the backend.
5915 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
5916 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
5917 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
5918 df_grow_insn_info, df_rescan_blocks, df_ref_create,
5919 df_get_artificial_defs, df_get_artificial_uses,
5920 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
5921 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
5922 df_refs_delete, df_reorganize_refs, df_set_state,
5923 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
5924 df_def_record_1, df_defs_record, df_uses_record,
5925 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
5926 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
5927 df_record_exit_block_uses, df_hard_reg_init): New functions.
5929 * df-problems.c: Seven concrete dataflow problems that use the
5930 scanning in df-scan.c and are solved by the engine in df-core.c.
5931 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
5932 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
5933 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
5934 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
5935 df_ru_free_bb_info, df_ru_alloc,
5936 df_ru_bb_local_compute_process_def,
5937 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
5938 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
5939 df_ru_transfer_function, df_ru_free, df_ru_dump,
5940 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
5941 df_rd_free_bb_info, df_rd_alloc,
5942 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
5943 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
5944 df_rd_transfer_function, df_rd_free, df_rd_dump,
5945 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
5946 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
5947 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
5948 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
5949 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
5950 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
5951 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
5952 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
5953 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
5954 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
5955 df_urec_mark_reg_change, df_urec_check_earlyclobber,
5956 df_urec_mark_reg_use_for_earlyclobber,
5957 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
5958 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
5959 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
5960 df_urec_dump, df_urec_add_problem, df_chain_alloc,
5961 df_chain_create_bb_process_use, df_chain_create_bb,
5962 df_chain_finalize, df_chain_free, df_chains_dump,
5963 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
5964 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
5965 df_reg_lifetime): New functions.
5966 * df.c: Deleted file.
5967 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
5968 consistent with new df api.
5969 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
5970 rest_of_handle_sms): Ditto.
5971 * web.c (unionfind_union, union_defs, entry_register, web_main):
5973 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
5974 invariant_expr_equal_p, find_defs, check_dependencies,
5975 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
5976 free_inv_motion_data, move_loop_invariants): Ditto.
5977 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
5978 Update dependencies.
5979 (odf.c): Added defective entry that was deleted later in day.
5980 * sched-deps.c (sched_analyze_1): Ditto.
5982 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
5984 * tree-ssa-operands.c (get_expr_operands): Record addressable
5985 variables directly. Do not call add_stmt_operands for CONST_DECLs
5987 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
5988 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
5990 2006-01-11 Ben Elliston <bje@au.ibm.com>
5992 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
5993 function returns true in the positive case.
5995 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5998 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
5999 for SI, DI, SF and DF modes. Add alternatives to copy between
6000 general and floating point registers to the 32-bit patterns.
6001 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
6002 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
6003 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
6004 generating 64-bit code.
6005 * config/pa/pa.c (output_move_double): Handle copies between general
6006 and floating registers.
6008 2006-01-10 Stuart Hastings <stuart@apple.com>
6010 * config/i386/i386.md (set_got): Update.
6011 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
6012 (builtin_setjmp_receiver): Mach-O support.
6013 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
6014 (GOT_SYMBOL_NAME): Define.
6015 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
6016 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
6017 * config/i386/i386.c (override_options): Revise for Darwin.
6018 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
6019 support. (darwin_x86_file_end): New. (output_set_got): Add label
6020 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
6021 * config/i386/i386-protos.h (output_set_got): Likewise.
6022 * config/darwin.c (machopic_legitimize_pic_address): Update
6025 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
6027 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
6028 when MODE isn't BLKmode.
6030 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6032 PR rtl-optimization/25367
6033 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
6035 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
6038 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
6039 for a negative bound.
6041 2006-01-10 Richard Guenther <rguenther@suse.de>
6043 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6044 Never override with anything constraint.
6046 2006-01-10 Jan Beulich <jbeulich@novell.com>
6048 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
6049 256 bits when optimize_size.
6051 2006-01-10 Jan Beulich <jbeulich@novell.com>
6053 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
6055 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
6056 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
6059 2006-01-10 Ben Elliston <bje@au.ibm.com>
6061 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
6063 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
6064 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
6065 (USE_FP_FOR_ARG): Reject decimal float modes.
6066 (function_arg_advance): Likewise.
6067 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
6068 (rs6000_handle_altivec_attribute): Do not permit decimal floating
6069 point types in AltiVec vectors.
6070 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
6071 (rs6000_libcall_value): Likewise.
6073 2006-01-09 Bob Wilson <bob.wilson@acm.org>
6075 * config/xtensa/ieee754-df.S: New file.
6076 * config/xtensa/ieee754-sf.S: New file.
6077 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
6078 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
6079 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
6081 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
6083 * config/sh/predicates.md (binary_float_operator,
6084 binary_logical_operator, commutative_float_operator,
6085 equality_comparison_operator, greater_comparison_operator,
6086 less_comparison_operator, logical_operator,
6087 noncommutative_float_operator, shift_operator,
6088 symbol_ref_operand, unary_float_operator): Remove redundant
6091 2006-01-09 Jeff Law <law@redhat.com>
6093 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
6094 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
6095 now unused arguments. Callers updated.
6096 (eliminate_redundant_computations): Remove now unused arguments,
6098 (local_fold): Remove, no longer used.
6099 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
6101 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
6102 (simplify_cond): New function.
6103 (forward_propagate_into_cond): Call simplify_cond.
6105 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
6107 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
6108 (*vec_extractv2di_1_sse): New.
6110 2006-01-09 Ben Elliston <bje@au.ibm.com>
6112 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
6114 2006-01-08 Richard Guenther <rguenther@suse.de>
6116 * tree-ssa-structalias.c (get_constraint_for): Remove
6118 (get_constraint_for_component_ref): Likewise.
6119 (do_deref): Likewise.
6120 (get_constraint_for): Likewise.
6121 (do_structure_copy): Likewise.
6122 (handle_ptr_arith): Likewise.
6123 (find_func_aliases): Likewise. Remove unused need_anyoffset
6126 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
6127 Kaz Kojima <kkojima@gcc.gnu.org>
6129 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
6130 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
6131 (EXTRA_CONSTRAINT_C16): Remove.
6132 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
6133 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
6134 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
6135 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
6136 constants of SHmedia. Handle nested constant expressions of
6138 (andcosts): Fix the costs for SHmedia constants.
6139 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
6140 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
6141 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
6142 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
6143 (movv4hi_i, movv2si_i): Likewise.
6144 (movsi_const): Adjust the second operand of ior so to match with
6146 (movdi_const, movdi_const_32bit): Likewise.
6147 (movdi_const_16bit+1): Don't sign-extend LOW.
6148 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
6150 (*double_shori): Fix the split condition. Use GEN_INT instead
6151 of get_int_mode calls. Mask lower 16-bit of the argument of
6153 (sym2GOTPLT): Remove.
6154 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
6156 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
6157 instead of EXTRA_CONSTRAINT_C16.
6159 2006-01-07 Ian Lance Taylor <ian@airs.com>
6160 David Edelsohn <edelsohn@gnu.org>
6162 PR rtl-optimization/25662
6163 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
6164 for constant operands instead of simplify_gen_binary.
6165 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
6166 after trying simplify_binary_operation
6168 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
6170 * tree.c (iterative_hash_expr): Hash decls based on UID.
6172 2006-01-06 Eric Christopher <echristo@apple.com>
6174 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
6175 (TARGET_UNWIND_EMIT): Fix spelling.
6176 * target.h (gcc_target): Add except_table_label.
6177 * except.c (output_function_exception_table): Use.
6178 * varasm.c (default_emit_except_table_label): New.
6179 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
6181 (asm_out): Add here.
6182 * output.h (default_emit_except_table_label): Prototype.
6183 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
6184 * config/darwin.c (darwin_emit_except_table_label): Define.
6185 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
6187 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
6189 PR tree-optimization/18527
6190 * tree-ssa-loop-niter.c (number_of_iterations_cond,
6191 number_of_iterations_special, number_of_iterations_exit):
6192 Move base and step of an iv to a single structure. Add
6193 no_overflow flag, and use it in # of iterations analysis.
6194 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
6195 folded_casts argument.
6196 (simple_iv): Pass base and step in a structure. Set no_overflow
6198 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
6199 Evaluate expensiveness of computing # of iterations instead of
6200 the final expression.
6201 * tree-scalar-evolution.h (affine_iv): New structure.
6202 (simple_iv): Declaration changed.
6203 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
6204 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
6205 find_givs_in_stmt): Changed due to simple_iv change.
6207 2006-01-06 Jeff Law <law@redhat.com>
6210 * tree-cfg.c (bsi_replace): Rename final argument from
6211 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
6212 change (stmt -> orig_stmt).
6213 * tree-eh.c (verify_eh_throw_stmt_node): New function.
6214 (bsi_remove): Add new argument. Remove EH information
6216 (verify_eh_throw_table_statements): New function.
6217 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
6219 * tree-optimize.c (execute_free_cfg_annotations): Verify
6220 the EH throw statement table after removing annotations.
6221 * except.h (verify_eh_throw_table_statements): Prototype.
6222 * tree-flow.h (bsi_remove): Update prototype.
6223 * tree-vrp.c (remove_range_assertions): Add new argument to
6225 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
6226 * tree-complex.c (expand_complex_div_wide): Likewise.
6227 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
6228 * tree-tailcall.c (eliminate_tailcall): Likewise.
6229 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
6230 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
6231 * tree-nrv.c (tree_nrv): Likewise.
6232 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
6233 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
6234 (combine_blocks): Likewise.
6235 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
6236 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
6237 (cleanup_control_flow): Likewise.
6238 (remove_forwarder_block): Likewise.
6239 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
6240 * tree-sra.c (sra_replace): Likewise.
6241 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
6242 (forward_propagate_single_use_vars): Likewise.
6243 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
6244 * tree-inline.c (expand_call_inline): Likewise.
6245 * tree-vect-transform.c (vect_transform_loop): Likewise.
6246 * tree-outof-ssa.c (rewrite_trees): Likewise.
6247 * tree-cfg.c (make_goto_expr_edges): Likewise.
6248 (cleanup_dead_labels): Likewise.
6249 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
6250 (bsi_move_before, bsi_move_after): Likewise.
6251 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
6252 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
6254 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
6257 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
6259 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
6260 on non gimple variables. Also add checks at the top for decls and
6262 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
6264 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
6265 and IMAGPART_EXPR for creating MUST_DEFs.
6266 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
6267 and NAME_MEMORY_TAG separately from the DECLs.
6269 2006-01-06 Richard Guenther <rguenther@suse.de>
6271 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
6272 annotation, if necessary.
6273 * tree-ssa-pre.c (create_expression_by_pieces): Remove
6274 redundant calls to update_stmt.
6275 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
6278 2006-01-05 Richard Henderson <rth@redhat.com>
6280 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
6282 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6284 * c-typeck.c: Update copyright date.
6286 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6288 * c-typeck.c (build_c_cast): Always warn when casting
6289 from a pointer to an integer of different size, even if
6290 the node was constant.
6292 2006-01-05 Richard Guenther <rguenther@suse.de>
6294 PR tree-optimization/22555
6295 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
6296 if one structure field is an array.
6297 * tree-ssa-operands.c (get_expr_operands): Continue scanning
6298 operands even if we found a subvar, but ignore VOPs in this
6300 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
6302 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
6304 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
6307 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
6309 2006-01-05 Richard Guenther <rguenther@suse.de>
6310 Diego Novillo <dnovillo@redhat.com>
6312 * tree-pass.h (TODO_remove_unused_locals): Define.
6313 * gimple-low.c (expand_var_p, remove_useless_vars,
6314 pass_remove_useless_vars): Remove. Update all users.
6315 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
6316 (remove_unused_locals): New function.
6317 * tree-flow.h (remove_unused_locals): Declare.
6318 * passes.c (execute_todo): Call remove_unused_locals if
6319 TODO_remove_unused_locals is set.
6320 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
6321 * tree-ssa-dce.c (pass_dce): Likewise.
6322 * tree-outof-ssa.c (pass_del_ssa): Likewise.
6324 2006-01-05 Richard Guenther <rguenther@suse.de>
6326 * tree-flow.h (struct fieldoff): Decompose field to
6327 type, size and decl.
6328 * tree-ssa-alias.c (create_sft): Take type as parameter.
6329 (create_overlap_variables_for): Store type, size and decl
6330 in the fieldoff structure.
6331 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
6333 (push_fields_onto_fieldstack): Likewise.
6334 (create_variable_info_for): Likewise. Use offset for the
6335 SFT name if the decl is not available.
6337 2006-01-04 Paul Brook <paul@codesourcery.com>
6339 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
6341 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
6343 * lambda-code.c (can_put_in_inner_loop): Relax
6345 (can_put_after_inner_loop): New function.
6346 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
6347 (perfect_nestify): Change to make copies and modify uses.
6349 2006-01-04 Richard Henderson <rth@redhat.com>
6351 Merge from gomp branch:
6352 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
6353 via integer constant.
6354 (pragma_lex): Remove.
6355 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
6356 rather than parsing it.
6357 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
6358 handle_pragma_extern_prefix): Add %< %> quotes.
6359 (registered_pragmas): New.
6360 (c_register_pragma_1): New.
6361 (c_register_pragma): Use it.
6362 (c_register_pragma_with_expansion): Likewise.
6363 (c_invoke_pragma_handler): New.
6364 (init_pragma): Use cpp_register_deferred_pragma directly for
6366 * c-pragma.h (enum pragma_kind): New.
6367 (pragma_handler): New.
6368 (c_invoke_pragma_handler): Declare.
6369 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
6371 * c-common.h (c_common_pch_pragma): Update decl.
6372 * Makefile.in (c-parser.o): Update dependencies.
6373 (GTFILES): Add c-pragma.h.
6374 * c-parser.c (struct c_token): Add pragma_kind.
6375 (struct c_parser): Add in_pragma.
6376 (c_lex_one_token): Always initialize keyword and pragma_kind.
6377 Extract data for CPP_PRAGMA.
6378 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
6379 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
6380 Don't allow CPP_PRAGMA_EOL if in_pragma.
6381 (c_parser_consume_pragma): New.
6382 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
6383 (c_parser_skip_to_end_of_parameter): Likewise.
6384 (c_parser_skip_to_end_of_block_or_statement): Likewise.
6385 (c_parser_skip_to_pragma_eol): New.
6386 (c_parser_external_declaration): Handle CPP_PRAGMA.
6387 (c_parser_compound_statement_nostart): Likewise.
6388 (c_parser_statement_after_labels): Likewise.
6389 (c_parser_pragma): New.
6390 (pragma_lex): Likewise.
6391 (c_parser_pragma_pch_preprocess): New.
6392 (c_parser_new): Merge into ...
6393 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
6395 2006-01-04 Jeff Law <law@redhat.com>
6398 * tree-cfg.c (bsi_replace): Remove the original statement
6399 from the EH throw statement table.
6401 2006-01-04 Jakub Jelinek <jakub@redhat.com>
6403 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
6404 make the prototype extern "C" and add throw ().
6407 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
6408 and pos non-negative and pos + len <= 32.
6409 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
6410 drop pos + len < HOST_BITS_PER_WIDE_INT test.
6411 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
6414 * c-common.c (handle_vector_size_attribute): Reject zero vector size
6415 as well as sizes not multiple of component size.
6418 * function.c (instantiate_expr): New function.
6419 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
6420 walk its DECL_VALUE_EXPR with instantiate_expr.
6422 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
6423 DW_OP_deref{,_size} if address isn't going to be added.
6425 2006-01-04 Ben Elliston <bje@au.ibm.com>
6427 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
6428 * config/fp-bit.c: Likewise.
6430 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
6432 * dominance.c: Add comment about why we use DFS numbering
6435 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6436 Richard Henderson <rth@redhat.com>
6438 Merge from gomp-branch:
6439 * varasm.c (assemble_variable): Handle thread-local COMMON data.
6440 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
6442 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
6444 PR rtl-optimization/25578
6445 * combine.c (combine_simplify_rtx, force_to_mode): Don't
6446 pass a parameter to simplify_shift_const if changing ASHIFTRT
6449 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
6451 * builtins.c (get_builtin_sync_mem): New function.
6452 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
6453 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
6454 Call get_builtin_sync_mem to generate mem rtx.
6456 2006-01-03 Richard Guenther <rguenther@suse.de>
6459 * stmt.c (add_case_node): Make sure to clear overflow flags
6462 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6464 Merge from gomp-branch.
6465 * config/sparc/sync.md: New file.
6466 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
6467 UNSPECV_LDSTUB): New constants.
6468 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
6469 * config/sparc/predicates.md (memory_reg_operand): New predicate.
6470 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
6473 2006-01-03 Roger Sayle <roger@eyesopen.com>
6475 * combine.c (reg_subword_p): New predicate to test whether the
6476 destination of a set refers to a subword/piece of a register.
6477 (try_combine): Generalize the code to merge the setting of a
6478 pseudo to a constant followed by a set of a subword of that
6479 register to a constant.
6481 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
6483 * basic-block.h (control_flow_graph): Change the type of
6484 x_label_to_block_map to VEC(basic_block,gc) *.
6485 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
6486 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
6488 * tree-ssa-propagate.c (cfg_blocks): Change the type to
6489 VEC(basic_block,heap) *.
6490 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
6491 ssa_prop_fini): Adjust the uses of cfg_blocks.
6493 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
6495 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
6497 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
6498 hashing trees instead of a pointer hash.
6499 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
6500 compare for MEM_EXPR.
6502 PR rtl-optimization/25130
6503 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
6504 when comparing MEMs for GCSE
6506 2006-01-03 Ben Elliston <bje@au.ibm.com>
6508 * targhooks.h (default_decimal_float_supported_p): Declare.
6509 * targhooks.c (default_decimal_float_supported_p): Define.
6510 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
6511 `default_decimal_float_supported_p'.
6512 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
6514 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
6516 * combine.c (apply_distributive_law <SUBREG>): Check
6517 TRULY_NOOP_TRUNCATION.
6519 2006-01-02 Geoffrey Keating <geoffk@apple.com>
6521 * dwarf2out.c (have_switched_text_section): Delete.
6522 (have_multiple_function_sections): New.
6523 (have_location_lists): Make 'bool'.
6524 (add_AT_loc_list): Use 'true' not '1'.
6525 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
6526 (output_loc_list): Use have_multiple_function_sections.
6527 (output_ranges): Likewise.
6528 (dwarf2out_begin_function): Set have_multiple_function_sections if
6530 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
6531 Check function_section rather than DECL_SECTION_NAME.
6532 (dwarf2out_finish): Use have_multiple_function_sections.
6533 Don't clear have_location_lists.
6535 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
6536 Jan Hubicka <jh@suse.cz>
6538 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
6539 case of conditional jump jumping to the next instruction.
6540 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
6541 cases of conditional jump jumping to the next instruction.
6543 2006-01-02 Jan Hubicka <jh@suse.cz>
6545 * i386.c (*_cost): Add COSTS_N_INSNS.
6546 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
6548 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
6551 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
6553 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6555 * config/arm/arm.c (all_fpus): Fix comment typo.
6556 * config/darwin.c: Likewise.
6557 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
6558 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
6559 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
6561 2006-01-01 David Edelsohn <edelsohn@gnu.org>
6563 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
6564 (rs6000_split_compare_and_swapqhi): New.
6565 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
6566 (sync_compare_and_swapqhi_internal): New.
6567 * config/rs6000/rs6000-protos.h: Declare.