1 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
5 * basic-block.h: Remove the extern for
6 rediscover_loops_after_threading.
8 * cfgloop.c (cancel_loop): Make it static.
9 * cfgloop.h: Remove the prototype for cancel_loop.
11 * flow.c (recompute_reg_usage): Make it static.
12 * rtl.h: Remove the prototype for recompute_reg_usage.
14 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
18 * recog.h: Remove the prototype for
19 validate_change_maybe_volatile.
21 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
23 * rtlanal.c (replace_reg): Remove.
24 * rtl.h: Remove the prototype for replace_reg.
26 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
28 * regclass.c (reg_scan_update): Remove.
29 (reg_scan_mark_refs): Remove the last argument.
30 * rtl.h: Remove the prototype for reg_scan_update.
32 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
34 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
35 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
36 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
37 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
38 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
39 loop-invariant.c, omp-low.c, opts.c, passes.c,
40 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
41 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
42 tree-ssa-structalias.c, tree-ssa-threadedge.c,
43 tree-ssa-threadupdate.c, tree-vect-patterns.c,
44 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
45 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
47 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
49 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
50 * dwarf2out.h: Remove the prototype for
51 dwarf2out_add_library_unit_info.
53 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
55 * tree.c (add_var_to_bind_expr): Remove.
56 * tree.h: Remove the prototype for add_var_to_bind_expr.
58 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
60 * regclass.c (n_non_fixed_regs): Remove.
61 (init_reg_sets_1, globalize_reg): Remove all uses of
63 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
65 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
67 * rtlanal.c (insns_safe_to_move_p): Remove.
68 * rtl.h: Remove the prototype for insns_safe_to_move_p.
70 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
72 * expmed.c (expand_mult_add): Remove.
73 * expr.h: Remove the prototype for expand_mult_add.
75 2006-03-04 Jakub Jelinek <jakub@redhat.com>
77 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
78 and REG_SAVED_VAL_EXP constants.
79 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
80 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
81 Handle regs stored by value.
82 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
83 (execute_cfa_program): Handle DW_CFA_val_offset,
84 DW_CFA_val_offset_sf and DW_CFA_val_expression.
85 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
86 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
87 (uw_install_context_1): Handle target regs stored by value.
89 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
91 * tree-sra.c (tree_sra): Return todoflags;
92 (generate_one_element): Set TODO_update_smt_usage if needed.
93 (pass_sra): Remove TODO_update_smt_usage.
94 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
96 (tree_ssa_forward_propagate_single_use_vars): Return
97 TODO_update_smt_usage if we need to update SMT usage.
98 (pass_forwprop): Remove TODO_update_smt_usage.
100 2006-03-03 Diego Novillo <dnovillo@redhat.com>
102 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
103 (correct_use_link): Remove reference to get_stmt_operands.
104 (update_stmt_operands): Likewise.
105 (get_modify_expr_operands): New function factored out of
106 parse_ssa_operands and get_expr_operands.
107 Try to create V_MUST_DEFs for LHS by default.
108 (get_expr_operands) <case MODIFY_EXPR>: Call
109 get_modify_expr_operands.
110 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
111 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
112 (parse_ssa_operands) <case MODIFY_EXPR>: Call
113 get_modify_expr_operands.
115 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
117 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
118 * tree-flow.h: Remove the prototype for
119 referenced_var_lookup_if_exists.
121 2006-03-03 Steve Ellcey <sje@cup.hp.com>
123 PR rtl-optimization/26345
125 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
127 2006-03-03 Roger Sayle <roger@eyesopen.com>
129 PR tree-optimization/26524
130 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
131 fold_convert to create a constant of the appropriate type.
133 2006-03-03 Richard Sandiford <richard@codesourcery.com>
135 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
136 SYMBOL_REF_IN_BLOCK_P.
137 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
138 of SYMBOL_FLAG_IN_BLOCK.
139 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
140 instead of SYMBOL_REF_IN_BLOCK_P.
141 * explow.c (use_anchored_address): Likewise.
142 * rtl.c (rtx_size): Likewise.
143 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
144 instead of SYMBOL_FLAG_IN_BLOCK.
145 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
146 SYMBOL_REF_IN_BLOCK_P.
147 (assemble_variable): Likewise.
148 (output_constant_def_contents): Likewise.
149 (output_constant_pool): Likewise.
150 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
151 instead of SYMBOL_FLAG_IN_BLOCK.
152 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
153 SYMBOL_REF_IN_BLOCK_P.
154 (SYMBOL_REF_BLOCK): Likewise.
155 (SYMBOL_REF_OFFSET): Likewise.
156 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
157 SYMBOL_REF_IN_BLOCK_P.
158 (SYMBOL_FLAG_IN_BLOCK): Replace with...
159 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
160 (SYMBOL_REF_IN_BLOCK_P): Replace with...
161 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
163 2006-03-03 Jakub Jelinek <jakub@redhat.com>
165 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
167 2006-03-02 Roger Sayle <roger@eyesopen.com>
169 * simplify-rtx.c (simplify_unary_operation): When simplifying
170 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
171 that we perform the right shift in the appropriate mode, and
172 then extend or truncate the result to requested mode.
174 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
176 * gengtype.c (main): Handle double_int type.
177 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
178 * double-int.c: New file.
179 * double-int.h: New file.
180 * system.h: Include doubleint.h.
181 * Makefile.in (SYSTEM_H): Include double-int.h.
184 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
187 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
190 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
192 * tree-vrp.c (remove_range_assertions): Do not update statements
195 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
197 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
199 * gcse.c (rest_of_handle_gcse): Ditto.
200 * except.c (gate_handle_eh): Ditto.
201 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
202 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
204 2006-03-02 Eric Christopher <echristo@apple.com>
206 * config/i386/i386.c (machopic_output_stub): Add indirection to
209 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
213 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
215 Sun Niagara specific optimizations.
216 * config.gcc: Recognize niagara as target.
217 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
218 (TARGET_CPU_niagara): Define.
219 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
220 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
221 (CPP_CPU_SPEC): Handle -mcpu=niagara.
222 (ASM_CPU_SPEC): Likewise.
223 (PROCESSOR_NIAGARA): New enum entry.
224 (REGISTER_MOVE_COST): Handle Niagara.
225 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
226 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
227 (sparc_override_options): Recognize "niagara", set appropriate
228 default MASK_* values for it, and align functions to 32-bytes
229 by default just like ULTRASPARC/ULTRASPARC3.
230 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
231 (sparc64_initialize_trampoline): Likewise.
232 (sparc_use_sched_lookahead): Use zero for niagara.
233 (sparc_issue_rate): Use one for niagara.
234 * config/sparc/niagara.md: New file.
235 * config/sparc/sparc.md: Include it.
236 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
237 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
238 when default cpu is niagara.
239 (CPP_CPU_SPEC): Handle -mcpu=niagara.
240 (ASM_CPU_SPEC): Likewise.
241 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
242 when default cpu is niagara.
243 (ASM_CPU_SPEC): Handle -mcpu=niagara.
244 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
245 just like v9/ultrasparc/ultrasparc3.
246 * doc/invoke.texi: Add documentation for "niagara" and improve
247 existing documentation for ultrasparc variants.
249 2006-03-02 Diego Novillo <dnovillo@redhat.com>
251 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
253 2006-03-02 Richard Sandiford <richard@codesourcery.com>
255 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
256 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
257 and say that only one is needed.
258 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
259 * target.h (have_switchable_bss_sections): New hook.
260 * explow.c (use_anchored_address): Check that the symbol is in a block.
261 * varasm.c (tls_comm_section, comm_section, lcomm_section)
262 (bss_noswitch_section): New variables.
263 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
264 (get_noswitch_section): New function.
265 (get_block_for_section): Allow SECT to be null.
266 (unlikely_text_section_p): Use SECTION_STYLE.
267 (bss_initializer_p): New function.
268 (get_variable_section): Move earlier in file. Take a new argument,
269 prefer_noswitch_p. Move bss checks from assemble_variable to here.
270 Return one of the new *_sections in such cases.
271 (get_block_for_decl): New function, extracting some logic from
272 use_blocks_for_decl_p.
273 (change_symbol_section): Remove in favor of...
274 (change_symbol_block): ...this new function.
275 (use_blocks_for_decl_p): Remove checks now performed by
277 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
278 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
279 (emit_local, emit_bss, emit_common): ...these new functions.
280 Return true if the alignment was honored.
281 (emit_tls_common): New function.
282 (asm_emit_uninitialised): Delete.
283 (assemble_variable_noswitch): New function, split out from...
284 (assemble_variable): ...here. Don't make decisions about common
285 variables here. Globalize all public decls that go into non-common
286 sections. Check whether SYMBOL_REF_BLOCK is null.
287 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
288 (output_constant_pool): Likewise.
289 (init_varasm_once): Initialize the new section variables.
290 (have_global_bss_p): New function.
291 (categorize_decl_for_section): Use bss_initializer_p.
292 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
293 (place_block_symbol): Assert that the symbol must be in a block.
294 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
295 (TARGET_INITIALIZER): Include it.
296 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
297 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
298 (SECTION_MACH_DEP): Bump by two.
299 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
300 (unnamed_section): Mention SECTION_UNNAMED in comment.
301 (named_section): Likewise SECTION_NAMED.
302 (noswitch_section_callback): New type.
303 (noswitch_section): New structure.
304 (section): Add a noswitch_section alternative.
305 (SECTION_STYLE): New macro.
306 (tls_comm_section, comm_section, lcomm_section): Declare.
307 (bss_noswitch_section, have_global_bss_p): Declare.
308 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
309 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
311 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
312 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
315 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
317 * gcc/tree-vrp.c (execute_vrp): Return value.
318 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
319 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
320 * gcc/tree-complex.c (tree_lower_complex): Ditto.
321 (tree_lower_complex_O0): Ditto.
322 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
323 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
324 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
325 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
326 (execute_tail_calls): Ditto.
327 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
328 * gcc/tree.h (init_function_for_compilation): Ditto.
329 * gcc/ipa-cp.c (ipcp_driver): Ditto.
330 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
331 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
332 * gcc/final.c (compute_alignments): Ditto.
333 (rest_of_handle_final): Ditto.
334 (rest_of_handle_shorten_branches): Ditto.
335 (rest_of_clean_state): Ditto.
336 * gcc/omp-low.c (execute_expand_omp): Ditto.
337 (execute_lower_omp): Ditto.
338 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
339 * gcc/ipa-reference.c (static_execute): Ditto.
340 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
341 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
342 (rest_of_handle_machine_reorg): Ditto.
343 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
344 * gcc/flow.c (recompute_reg_usage): Ditto.
345 (rest_of_handle_remove_death_notes): Ditto.
346 (rest_of_handle_life): Ditto.
347 (rest_of_handle_flow2): Ditto.
348 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
349 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
350 (do_ssa_store_ccp): Ditto.
351 (execute_fold_all_builtins): Ditto.
352 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
353 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
354 * gcc/ipa-pure-const.c (static_execute): Ditto.
355 * gcc/cse.c (rest_of_handle_cse): Ditto.
356 (rest_of_handle_cse2): Ditto.
357 * gcc/web.c (rest_of_handle_web): Ditto.
358 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
359 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
360 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
361 * gcc/tree-nrv.c (tree_nrv): Ditto.
362 (execute_return_slot_opt): Ditto.
363 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
364 (create_structure_vars): Ditto.
365 * gcc/loop-init.c (rtl_loop_init): Ditto.
366 (rtl_loop_done): Ditto.
367 (rtl_move_loop_invariants): Ditto.
368 (rtl_unswitch): Ditto.
369 (rtl_unroll_and_peel_loops): Ditto.
371 * gcc/gimple-low.c (lower_function_body): Ditto.
372 (mark_used_blocks): Ditto.
373 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
374 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
375 (cgraph_early_inlining): Ditto.
376 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
377 * gcc/jump.c (cleanup_barriers): Ditto.
378 (purge_line_number_notes): Ditto.
379 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
380 (rest_of_handle_if_after_reload): Ditto.
381 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
382 (tree_ssa_loop_im): Ditto.
383 (tree_ssa_loop_unswitch): Ditto.
384 (tree_vectorize): Ditto.
385 (tree_linear_transform): Ditto.
386 (tree_ssa_loop_ivcanon): Ditto.
387 (tree_ssa_empty_loop): Ditto.
388 (tree_ssa_loop_bounds): Ditto.
389 (tree_complete_unroll): Ditto.
390 (tree_ssa_loop_prefetch): Ditto.
391 (tree_ssa_loop_ivopts): Ditto.
392 (tree_ssa_loop_done): Ditto.
393 * gcc/predict.c (tree_estimate_probability): Ditto.
394 * gcc/recog.c (split_all_insns_noflow): Ditto.
395 (rest_of_handle_peephole2): Ditto.
396 (rest_of_handle_split_all_insns): Ditto.
397 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
398 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
399 (rest_of_handle_stack_adjustments): Ditto.
400 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
401 * gcc/function.c (instantiate_virtual_regs): Ditto.
402 (init_function_for_compilation): Ditto.
403 (rest_of_handle_check_leaf_regs): Ditto.
404 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
405 (rest_of_handle_gcse): Ditto.
406 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
407 * gcc/alias.c (rest_of_handle_cfg): Ditto.
408 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
409 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
410 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
411 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
412 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
413 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
414 * gcc/except.c (set_nothrow_function_flags): Ditto.
415 (convert_to_eh_region_ranges): Ditto.
416 (rest_of_handle_eh): Ditto.
417 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
418 (remove_unnecessary_notes): Ditto.
419 * gcc/except.h (set_nothrow_function_flags): Ditto.
420 (convert_to_eh_region_ranges): Ditto.
421 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
422 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
423 * gcc/tree-ssa-pre.c (do_pre): Ditto.
424 (execute_fre): Ditto.
425 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
426 (rest_of_handle_jump2): Ditto.
427 * gcc/tree-sra.c (tree_sra): Ditto.
428 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
429 (execute_mudflap_function_decls): Ditto.
430 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
431 (do_store_copy_prop): Ditto.
432 * gcc/ipa-prop.h (ipcp_driver): Ditto.
433 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
434 * gcc/tree-ssa-forwprop.c
435 (tree_ssa_forward_propagate_single_use_vars): Ditto.
436 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
437 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
438 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
439 (execute_late_warn_uninitialized): Ditto.
440 * gcc/rtl.h (cleanup_barriers): Ditto.
441 (split_all_insns_noflow): Ditto.
442 (purge_line_number_notes): Ditto.
443 (unshare_all_rtl): Ditto.
444 (remove_unnecessary_notes): Ditto.
445 (recompute_reg_usage): Ditto.
446 (variable_tracking_main): Ditto.
447 * gcc/integrate.c (emit_initial_value_sets): Ditto.
448 * gcc/integrate.h (emit_initial_value_sets): Ditto.
449 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
450 (execute_free_cfg_annotations): Ditto.
451 (execute_fixup_cfg): Ditto.
452 (execute_cleanup_cfg_pre_ipa): Ditto.
453 (execute_cleanup_cfg_post_optimizing): Ditto.
454 (execute_init_datastructures): Ditto.
455 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
456 * gcc/combine.c (rest_of_handle_combine): Ditto.
457 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
458 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
459 (rest_of_handle_reorder_blocks): Ditto.
460 (rest_of_handle_partition_blocks): Ditto.
461 * gcc/var-tracking.c (variable_tracking_main): Ditto.
462 * gcc/tree-profile.c (tree_profiling): Ditto.
463 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
464 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
465 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
466 (rest_of_handle_sched2): Ditto.
467 * gcc/basic-block.h (free_bb_insn): Ditto.
468 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
469 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
470 (remove_useless_stmts): Ditto.
471 (split_critical_edges): Ditto.
472 (execute_warn_function_return): Ditto.
473 (execute_warn_function_noreturn): Ditto.
474 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
475 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
476 * gcc/passes.c (execute_one_pass): Run additional
477 todos returned by execute function.
478 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
481 2006-03-02 Richard Guenther <rguenther@suse.de>
483 * tree-ssa-alias.c (find_used_portions): Consider taking
484 the address as making the variable not write-only.
486 2006-03-02 Nick Clifton <nickc@redhat.com>
488 * config.gcc (default_use_cxa_atexit): Extend the description of
489 this configure variable. Set its default value to "yes" for
490 Linux, NetBSD and ELF targets on the assumption that they will
491 use C libraries with the __cxa_atexit function.
493 2006-03-02 Ben Elliston <bje@au.ibm.com>
495 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
496 parameter as unused to suppress a build warning.
498 2006-03-02 Ben Elliston <bje@au.ibm.com>
500 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
503 2006-03-01 Roger Sayle <roger@eyesopen.com>
506 * gthr-posix.h (__gthrw2): Define to take three parameters, the
507 declared name, the weak reference name, and the typeof name.
508 (__gthrw): Avoid expanding the declared name suffix.
509 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
511 2006-03-01 Jakub Jelinek <jakub@redhat.com>
513 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
515 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
516 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
517 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
518 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
519 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
520 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
521 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
522 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
523 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
524 DW_DS_leading_separate, DW_DS_trailing_separate): New.
525 (DW_END_default, DW_END_big, DW_END_little): New.
526 (DW_END_lo_user, DW_END_hi_user): Define.
527 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
528 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
529 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
532 2006-03-01 Diego Novillo <dnovillo@redhat.com>
534 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
536 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
538 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
540 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
542 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
545 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
548 2006-03-01 Roger Sayle <roger@eyesopen.com>
550 * builtins.c (fold_builtin_copysign): Delete unreachable code.
552 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
555 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
556 MACHO_DYNAMIC_NO_PIC_P.
557 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
559 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
562 * config/darwin-protos.h (darwin_asm_output_anchor):
564 * config/darwin-sections.def (cstring_section):
565 Add SECTION_MERGE to the flags.
566 (literal4_section): Likewise.
567 (literal8_section): Likewise.
568 (objc_selector_refs_section): Likewise.
569 (objc_cls_refs_section): Likewise.
570 * config/darwin.c (darwin_asm_output_anchor): New
572 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
574 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
576 Fix PR tree-optimization/26443
577 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
578 to todo and PROP_tmt_usage to properties_destroyed.
579 * tree-ssa-ccp.c (pass_ccp): Ditto.
580 (pass_store_ccp): Ditto.
581 * tree-ssa-dom.c (pass_dominator): Ditto.
583 2006-03-01 Diego Novillo <dnovillo@redhat.com>
585 * tree-ssa-operands.c: Cleanup whitespace.
586 (get_asm_expr_operands): Move before first invocation.
587 (get_indirect_ref_operands): Likewise.
588 (get_tmr_operands): Likewise.
589 (get_call_expr_operands): Likewise.
590 (append_def): Likewise.
591 (append_use): Likewise.
592 (append_v_may_def): Likewise.
593 (append_v_must_def): Likewise.
594 (add_call_clobber_ops): Likewise.
595 (add_call_read_ops): Likewise.
596 (add_stmt_operand): Likewise.
597 (add_virtual_operand): Likewise.
598 (build_ssa_operands): Likewise.
600 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
605 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
606 with a call expr to ...
607 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
609 2006-03-01 Diego Novillo <dnovillo@redhat.com>
611 * tree-vrp.c (extract_range_from_assert): Remove special
612 handling for types with super-types.
614 2006-03-01 Ben Elliston <bje@au.ibm.com>
616 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
617 and powerpc64-*-linux* configurations.
618 * config/t-dfprules: New file.
620 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
621 Compile dfp-bit.c from the source directory using -DWIDTH and
622 $DFP_CFLAGS to control the compilation of that file, rather than
623 generating width-specific versions in the build directory.
624 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
625 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
627 2006-02-28 Zack Weinberg <zackw@panix.com>
629 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
632 2006-02-28 Eric Christopher <echristo@apple.com>
634 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
635 Set up IN_LIBGCC definition of TARGET_64BIT.
636 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
638 2006-02-28 Roger Sayle <roger@eyesopen.com>
641 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
642 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
643 cases via the construction of "expr != 0".
645 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
647 * alias.c (alias_invariant, alias_invariant_size): Remove.
648 (record_base_value): Remove.
649 (memrefs_conflict_p): Don't look at alias_invariant.
650 (end_alias_analysis): Don't free it.
651 * alias.h (record_base_value): Remove prototype.
653 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
654 Adam Nemet <anemet@caviumnetworks.com>
656 * rtl.h (truncated_to_mode): Declare it.
657 (struct rtl_hooks): Add reg_truncated_to_mode hook.
658 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
659 (RTL_HOOKS_INITIALIZER): Include it.
660 * rtlhooks.c (reg_truncated_to_mode_general): New function.
661 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
662 reg_truncated_to_mode.
663 * rtlanal.c (truncated_to_mode): Define it.
664 * simplify-rtx.c (simplify_unary_operation_1): Use it.
666 2006-02-28 Jeff Law <law@redhat.com>
668 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
669 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
670 the range allowed by TYPE_PRECISION.
672 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
674 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
676 PR tree-optimization/26419
677 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
680 2006-02-27 Zack Weinberg <zackw@panix.com>
682 * doc/md.texi: Fix typo in previous change.
684 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
688 2006-02-27 Zack Weinberg <zackw@panix.com>
690 * rtl.def (define_constraint, define_register_constraint)
691 (define_memory_constraint, define_address_constraint): New MD forms.
692 * gensupport.c (process_rtx): Put define_constraint etc on the
694 * genpreds.c (process_define_predicate): Adjust comment. Validate
695 the name, and call validate_exp to validate the expression.
696 (mark_mode_tests, write_extract_subexp): Can assume correct input.
697 (write_predicate_expr): Likewise. NAME argument no longer necessary;
699 (validate_exp, needs_variable, struct constraint_data)
700 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
701 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
702 (const_dbl_constraints, constraint_max_namelen)
703 (have_register_constraints, have_memory_constraints)
704 (have_address_constraints, have_address_constraints)
705 (have_extra_constraints, have_const_int_constraints)
706 (have_const_dbl_constraints, mangle, add_constraint)
707 (process_define_constraint, process_define_register_constraint)
708 (write_enum_constraint_num, write_lookup_constraint)
709 (write_insn_constraint_len, write_regclass_for_constraint)
710 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
711 (write_insn_extra_memory_constraint)
712 (write_insn_extra_address_constraint)
713 (write_satisfies_constraint_fns): New.
714 (write_tm_preds_h): If we have new-style constraint definitions,
715 prototype the functions generated from them, and define the
716 old constraint interface (still used by generic code) in terms of
718 (write_insn_preds_c): If we have new-style constraint definitions,
719 generate all relevant functions from those definitions.
720 (main): Handle define_constraint etc.
721 * genoutput.c (struct constraint_data, indep_constraints)
722 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
723 (mdep_constraint_len): New data structures and functions, defined
724 #ifdef USE_MD_CONSTRAINTS.
725 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
726 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
727 use new logic to validate operand constraints against constraint
729 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
731 * defaults.h: If none of the old-style constraint macros are
732 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
733 old-style macros; and poison REG_CLASS_FROM_LETTER,
734 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
736 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
737 * doc/md.texi: Document new constraint-definition mechanism and the
738 C interface it provides. Remove references to old mechanism
739 elsewhere in the document.
740 (Machine Constraints): Use pathnames relative to gcc directory,
741 i.e. config/ARCH/FILE. Change i386 section to refer to
742 config/i386/predicates.md; update that section to match docstrings.
743 * doc/tm.texi: Move all documentation of the old constraint-
744 definition macros to their own section, clearly mark as obsolete.
746 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
747 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
749 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
750 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
751 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
753 (splits and peepholes): Use satisfies_constraint_*.
754 * config/i386/i386.c (memory_address_length)
755 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
757 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
759 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
760 scalar operation to be put back into the loop.
762 2006-02-27 Jakub Jelinek <jakub@redhat.com>
765 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
766 (extract_cie_info): Handle S flag in augmentation string.
767 (execute_cfa_program): If context->signal_frame, execute also
768 fs->pc == context->ra instructions.
769 (uw_frame_state_for): If context->signal_frame, don't subtract one
770 from context->ra to find FDE.
771 (uw_update_context_1): Set context->signal_frame to
773 (_Unwind_GetIPInfo): New function.
774 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
775 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
777 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
778 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
779 * unwind-compat.c (_Unwind_GetIPInfo): New function.
780 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
781 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
782 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
783 * config/i386/linux-unwind.h (x86_fallback_frame_state,
784 x86_64_fallback_frame_state): Set fs->signal_frame.
785 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
786 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
787 (frob_update_context): Likewise. Workaround missing S flag in
788 Linux 2.6.12 - 2.6.16 kernel vDSOs.
789 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
790 Remove the psw_addr + 1 hack.
792 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
794 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
795 with aggregates here.
796 (find_func_aliases): Remove code for &<aggregate> from here.
798 2006-02-26 Roger Sayle <roger@eyesopen.com>
800 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
801 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
802 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
805 2006-02-26 Roger Sayle <roger@eyesopen.com>
808 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
810 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
812 * opts.c (decode_options): Do not handle flag_strength_reduce.
813 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
814 and OPT_fstrength_reduce.
815 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
816 flag_prefetch_loop_arrays for being nonzero.
817 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
819 (fprefetch-loop-arrays-rtl): Removed.
820 (flag_prefetch_loop_arrays): Do not specify the value.
822 * doc/passes.texi: Update documentation of loop optimizer
824 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
825 -frerun-loop-opt): Remove.
827 2006-02-26 Richard Guenther <rguenther@suse.de>
829 PR tree-optimization/26421
830 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
831 in function calls that are ADDR_EXPRs as using the whole structure.
833 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
835 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
836 * tree-pass.h (pass_loop_optimize): Remove.
837 * passes.c (pass_loop_optimize): Never run it.
838 * toplev.c (backend_init): Don't call init_loop.
839 * opts.c (flag_loop_optimize_set): Remove.
840 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
841 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
842 the old RTL loop optimizer when profiling enabled.
843 * predict.c (tree_estimate_probability): Always strip builtin_expect.
844 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
845 pre-headers for the sake of the old RTL loop optimizer.
846 * Makefile.in: Remove all references to loop.o.
848 * doc/invoke.texi: Remove all references to -floop-optimize
849 and -frerun-loop-opt.
851 2006-02-26 Zack Weinberg <zackw@panix.com>
853 * doc/md.texi (Machine Constraints): Refer to all files with paths
854 relative to gcc directory (i.e. config/CPU/file). Add missing
855 @table @code ... @end table to M32C subsection.
857 2006-02-26 Roger Sayle <roger@eyesopen.com>
859 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
861 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
863 2006-02-26 Roger Sayle <roger@eyesopen.com>
864 James A. Morrison <phython@gcc.gnu.org>
867 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
868 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
869 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
870 signedness of the shift operation.
872 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
874 PR tree-optimization/26359
875 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
877 2006-02-25 Roger Sayle <roger@eyesopen.com>
879 * simplify-rtx.c (simplify_relational_operation_1): Simplify
880 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
881 as X == 0, and some symmetry related transformations.
882 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
884 2006-02-25 Roger Sayle <roger@eyesopen.com>
887 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
888 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
889 symmetry related transformations. Fold (X^C1) == C2 as
892 2006-02-25 Juergen Weigert <jw@suse.de>
893 Richard Guenther <rguenther@suse.de>
895 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
897 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
899 * combine.c (gen_lowpart_or_truncate): Call
900 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
902 2006-02-24 Diego Novillo <dnovillo@redhat.com>
904 * doc/invoke.texi: Move -fopenmp description to "Options for
906 Remove reference to -lgomp.
908 2006-02-24 David Edelsohn <edelsohn@gnu.org>
910 * doc/install.texi: Require GNU tar version 1.14.
912 2006-02-24 Geoffrey Keating <geoffk@apple.com>
914 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
915 * doc/invoke.texi (C++ Dialect Options): Document
916 -fno-use-cxa-get-exception-ptr.
917 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
918 * configure: Regenerate.
919 * c.opt (fuse-cxa-get-exception-ptr): New.
920 * c-opts.c (c_common_handle_option): Handle
921 OPT_fuse_cxa_get_exception_ptr.
922 * c-common.c (flag_use_cxa_atexit): Update documentation.
923 (flag_use_cxa_get_exception_ptr): New.
924 * c-common.h (flag_use_cxa_get_exception_ptr): New.
925 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
927 (C_COMMON_OVERRIDE_OPTIONS): New.
929 2006-02-24 Roger Sayle <roger@eyesopen.com>
932 * combine.c (try_combine): Explicitly check whether GET_CODE is
933 a SET or a CLOBBER, instead on checking that it isn't a USE.
935 2006-02-24 Roger Sayle <roger@eyesopen.com>
937 * fold-const.c (fold_comparison): New subroutine of fold_binary
938 containing transformations common to both the equality and
939 ordering relational operators, factored out of fold_binary.
940 (fold_binary): Separate out the equality operators (EQ_EXPR
941 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
942 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
943 transformations common to both.
944 (fold_div_compare): Fix latent bugs in the previously unreachable
945 LT_EXPR and GE_EXPR cases.
947 2006-02-24 David Edelsohn <edelsohn@gnu.org>
949 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
950 decl libname for clog to __clog on AIX.
952 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
954 2006-02-24 Alan Modra <amodra@bigpond.net.au>
957 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
958 output traceback table for thunks. Localise rs6000_stack_info call.
960 2006-02-23 Roger Sayle <roger@eyesopen.com>
961 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
963 * gthr-posix.h (__gthrw): Fix typo in comment.
965 2006-02-23 Geoffrey Keating <geoffk@apple.com>
967 * doc/cpp.texi (Character sets): Document that we do support
968 input files to be in any character set.
970 2006-02-23 Jeff Law <law@redhat.com>
972 * tree.h (PHI_ARG_NONZERO): Remove.
973 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
974 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
975 node to the new node.
977 PR tree-optimization/26425
978 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
979 min/max, then assume its varying.
981 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
983 PR rtl-optimization/26316
984 * rtlanal.c (enum may_trap_p_flags): New.
985 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
986 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
987 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
988 (may_trap_after_code_motion_p): New function.
989 * loop-invariant.c (find_identical_invariants): Fix dump formating.
990 (find_invariant_insn): Use may_trap_after_code_motion_p.
991 * rtl.h (may_trap_after_code_motion_p): Declare.
993 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
995 * emit-rtl.c (immed_double_const): Cleanup.
997 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
999 Fix PR tree-optimization/26376
1000 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
1003 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1006 * gimplify.c (omp_add_variable): Guard variable size decl test with
1007 DECL_SIZE (decl) check.
1009 2006-02-23 Richard Guenther <rguenther@suse.de>
1012 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
1013 like aggregate types.
1015 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1017 * configure.ac: Add --with{,out}-long-double-128 configure option.
1018 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
1019 * configure: Rebuilt.
1020 * config.in: Rebuilt.
1021 * doc/install.texi (Options specification): Document
1022 --with-long-double-128.
1024 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1025 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1026 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1027 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1029 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
1031 * config/s390/s390.c (override_options): Handle
1032 TARGET_DEFAULT_LONG_DOUBLE_128.
1034 * config/alpha/alpha.c (override_options): Handle
1035 TARGET_DEFAULT_LONG_DOUBLE_128.
1037 * config/sparc/sparc.c (sparc_override_options): Handle
1038 TARGET_DEFAULT_LONG_DOUBLE_128.
1040 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
1042 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
1043 (real-install-headers-tar, real-install-headers-cpio)
1044 (real-install-headers-cp): New targets.
1046 2006-02-22 Richard Sandiford <richard@codesourcery.com>
1048 * tree.h (variable_section): Delete.
1049 * varasm.c (variable_section): Delete.
1051 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
1053 * install.texi: Add notes on install.texi2html.
1054 (Building in parallel): Do not use footnotes.
1056 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
1059 * doc/install.texi (Configuration): Document --disable-libgomp.
1061 2006-02-21 Geoffrey Keating <geoffk@apple.com>
1063 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
1065 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1067 * config/i386/sse.md (vec_extractv2df_1_sse): New.
1068 (vec_extractv2df_0_sse): New.
1070 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1072 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
1073 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
1074 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
1075 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
1076 to the result of the expression.
1077 (def_cfa_1): Adjust.
1078 (frame_pointer_cfa_offset): Rename to...
1079 (frame_pointer_fb_offset): ... this. Adjust all uses.
1080 (convert_cfa_to_loc_list): Rename to...
1081 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
1082 Pass it on to build_cfa_loc.
1083 (compute_frame_pointer_to_cfa_displacement): Rename to...
1084 (compute_frame_pointer_to_fb_displacement): ... this. New
1085 offset parameter. Use it in computation.
1086 (gen_subprogram_die): Compute cfa_fb_offset with the new
1087 macro, and use it to compute the fb loc list and the
1090 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
1092 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
1093 replaced with register_operand.
1094 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
1095 non-DREG is expensive.
1096 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
1097 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
1100 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
1102 * doc/install.texi2html: Use set -e.
1104 2006-02-21 Richard Sandiford <richard@codesourcery.com>
1106 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1107 (ASM_OUTPUT_SHARED_LOCAL): Delete.
1108 * doc/invoke.texi (-fshared-data): Delete.
1109 * common.opt (fshared-data): Delete.
1110 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
1111 (assemble_static_space): Remove #if 0 code.
1112 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1113 (ASM_OUTPUT_SHARED_LOCAL): Poison.
1114 * config/cris/cris.h: Remove FIXME.
1116 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
1118 * doc/sourcebuild.texi (Front End Directory): No more double-colon
1121 2006-02-21 Jakub Jelinek <jakub@redhat.com>
1124 * combine.c (simplify_shift_const_1): Disable nested shifts
1125 optimization for vector shifts.
1127 2006-02-20 Roger Sayle <roger@eyesopen.com>
1129 PR tree-optimization/26361
1130 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
1131 of unsigned integer types.
1133 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
1135 * tree-chrec.c (eq_evolutions_p): New.
1136 * tree-chrec.h (eq_evolutions_p): Declared.
1137 * tree-data-ref.c: Fix formatting.
1138 (datadep_stats, dependence_stats): New.
1140 (print_direction_vector): New.
1141 (dump_data_dependence_relation): Use print_direction_vector.
1142 (object_analysis, create_data_ref): Handle COMPONENT_REF.
1143 (compute_subscript_distance): Static.
1144 (initialize_data_dependence_relation): Static. Get the number
1145 of loops surrounding the references from the callers, and initialize
1146 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
1147 base_object_differ_p analyzers.
1148 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
1149 compute_overlap_steps_for_affine_1_2,
1150 analyze_subscript_affine_affine): Count the classified dependences.
1151 Print a message when a test failed.
1152 (can_use_analyze_subscript_affine_affine): New.
1153 (analyze_siv_subscript): Compute the data dependences on symbolic
1154 scevs that verify can_use_analyze_subscript_affine_affine.
1155 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
1156 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
1157 Handle symbolic scevs.
1158 (analyze_overlapping_iterations): Let symbolic affine scevs to be
1160 (subscript_dependence_tester): Moved...
1161 (build_classic_dist_vector, build_classic_dir_vector): Don't use
1162 lambda_vector_clear on newly allocated vectors. Get nb_loops from
1163 DDR_SIZE_VECT instead of getting it in parameter.
1164 (subscript_dependence_tester): ... here. Take as a parameter
1165 loop_nest_depth. Call build_classic_dist_vector and
1166 build_classic_dir_vector.
1167 (compute_affine_dependence): Update subscript_dependence_tester
1168 parameters. Update datadep_stats counters. Call
1169 compute_subscript_distance.
1170 (compute_self_dependence): Save the dist and dir vectors. Call
1171 compute_subscript_distance.
1172 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
1173 (compute_all_dependences): Reorder parameters as they were before
1174 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
1175 compute_subscript_distance. Update the use of
1176 compute_affine_dependence and initialize_data_dependence_relation.
1177 (find_data_references_in_loop): Handle COMPONENT_REF.
1178 (compute_data_dependences_for_loop): Initialize dependence_stats.
1179 Don't call build_classic_dist_vector and build_classic_dir_vector.
1180 Update the parameters of initialize_data_dependence_relation and
1181 compute_all_dependences. Print the statistics from datadep_stats.
1182 (analyze_all_data_dependences): Static. Not used until the pass for
1183 checking the data dependences is contributed.
1184 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
1185 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
1186 (initialize_data_dependence_relation, compute_affine_dependence,
1187 analyze_all_data_dependences, compute_subscript_distance): Removed.
1188 (print_direction_vector): New.
1189 * lambda.h (gcd): ... here.
1190 (lambda_vector_gcd): Moved here from gcd_vector.
1191 * lambda-code.c (gcd, gcd_vector): Removed.
1192 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
1193 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
1195 2006-02-20 Diego Novillo <dnovillo@redhat.com>
1197 * ipa-type-escape.c: Tidy some comments and white space.
1198 * tree-ssa-operands.c: Likewise.
1200 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
1203 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
1204 (dump_decl_name): Do not walk the decl tree chains.
1205 * tree-pass.h (TDF_CHAIN): Remove.
1207 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1209 * Makefile.in (C): Remove
1211 (.PHONY): Remove C and PROTO
1213 2006-02-20 Roger Sayle <roger@eyesopen.com>
1216 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
1217 deprecated CHAR_TYPE tree code.
1219 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1221 * configure.ac (target_list): Add install-info, dvi, html.
1222 * configure: Regenerate.
1224 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
1225 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
1226 treelang/Make-lang.in: Do not use double-colon rules.
1228 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
1230 * tree.h (struct tree_memory_tag): Add is_used_alone member.
1231 (TMT_USED_ALONE): New macro.
1232 * tree-pass.h (PROP_tmt_usage): New property.
1233 (TODO_update_tmt_usage): New todo.
1234 * tree-ssa-alias.c (updating_used_alone): New variable.
1235 (recalculate_used_alone): New function.
1236 (compute_may_aliases): Set updating_used_alone, call
1237 recalculate_used_alone.
1238 * tree-sra.c (pass_sra): Note that this pass destroys
1239 PROP_tmt_usage, and add TODO_update_tmt_usage.
1240 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1241 * tree-flow.h (updating_used_alone): Prototype.
1242 (recalculate_used_alone): Ditto.
1243 * passes.c (execute_todo): Add code to set updating_used_alone,
1244 and call recalculate.
1245 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
1246 for clobber if used alone, and add assert to verify used_alone
1249 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
1251 * config/s390/s390.c (legitimize_pic_address): Assertions checking
1252 for non tls symbols added.
1253 (legitimize_address): Do nothing for PLUS expressions if one of the
1254 addends is a tls symbol reference.
1256 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1260 * Makefile.in (LDFLAGS): Define from autoconf substitution.
1262 * Makefile.in (BOOTSTRAPPING): New.
1263 (quickstrap): New definition if BOOTSTRAPPING=yes.
1265 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
1266 * configure.ac: Substitute all_selected_languages with the languages
1267 that were configured. For all the other variables except
1268 lang_specs_files, include all the languages in the tree.
1269 * configure: Regenerate.
1271 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
1272 if there is one. Run the commands to run fixincludes in the same
1275 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
1276 * doc/install.texi: Document exact conventions for searching target tools.
1277 Document --with-build-time-tools. Document toplevel bootstrap. Document
1278 something more about building an Ada cross-compiler. Don't list GNU Make
1279 requirements which affect all platforms.
1281 2006-02-19 Roger Sayle <roger@eyesopen.com>
1284 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
1285 only equivalent if the have both the same mode and precision.
1287 2006-02-20 Ben Elliston <bje@au.ibm.com>
1289 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
1291 2006-02-19 Roger Sayle <roger@eyesopen.com>
1292 Steven Bosscher <stevenb.gcc@gmail.com>
1294 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
1295 constant pool references to identify stack mode constants.
1296 * rtlanal.c (constant_pool_constant_p): New predicate to check
1297 whether operand is a floating point constant in the pool.
1298 * rtl.h (constant_pool_constant_p): Prototype here.
1299 * loop.c (scan_loop): Avoid hoisting constants from the constant
1300 pool on STACK_REGS targets.
1301 (load_mems): Likewise.
1302 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
1303 loads into x87 registers expensive in terms of register pressure.
1305 2006-02-19 Roger Sayle <roger@eyesopen.com>
1307 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
1308 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
1310 2006-02-19 David Edelsohn <edelsohn@gnu.org>
1312 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
1313 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
1315 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
1317 * doc/invoke.texi: Document -fipa-pta.
1318 * common.opt: Add ipa-pta option.
1319 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
1320 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
1321 (do_ds_constraint): Ditto.
1322 (get_constraint_for): Only add to referenced_vars if
1323 referenced_vars exists.
1324 (insert_into_field_list): Rewrite to do this unsorted.
1325 (insert_into_field_list_sorted): Rename old insert_into_field_list
1327 (create_function_info_for): Use insert_into_field_list_sorted.
1328 (create_variable_info_for): Rewrite so it uses unsorted version,
1329 since the field list is sorted.
1330 (intra_create_variable_infos): Only add to referenced_vars if
1331 referenced_vars exists.
1332 (ipa_pta_execute): Init heapvars, and delete when done.
1333 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
1335 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1337 * doc/install.texi: Add missing `@samp'.
1339 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1341 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
1344 2006-02-18 Mark Wielaard <mark@klomp.org>
1346 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
1347 who added new 4.1 features, bug fixes and integration support.
1349 2006-02-18 David Edelsohn <edelsohn@gnu.org>
1352 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
1355 2006-02-18 Richard Sandiford <richard@codesourcery.com>
1357 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
1358 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
1359 (copy_insn_1): Likewise. Don't copy each field individually.
1361 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
1363 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
1364 * rtl.c (rtx_size): Rename variable to...
1365 (rtx_code_size): ...this.
1366 (rtx_size): New function.
1367 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
1368 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
1370 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
1371 * rtl.h (rtx_code_size): New variable.
1372 (rtx_size): Change from a variable to a function.
1373 (RTX_SIZE): Rename to...
1374 (RTX_CODE_SIZE): ...this.
1377 PR tree-optimization/17106
1378 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
1379 (Anchored Addresses): New section.
1380 * doc/invoke.texi (-fsection-anchors): Document.
1381 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
1382 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
1383 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
1384 * hooks.c (hook_bool_mode_rtx_false): New function.
1385 * hooks.h (hook_bool_mode_rtx_false): Declare.
1386 * gengtype.c (create_optional_field): New function.
1387 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
1388 SYMBOL_REF_IN_BLOCK_P is true.
1389 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
1390 (min_anchor_offset, max_anchor_offset): Likewise.
1391 (use_anchors_for_symbol_p): New hook.
1392 * toplev.c (compile_file): Call output_object_blocks.
1393 (target_supports_section_anchors_p): New function.
1394 (process_options): Check that -fsection-anchors is only used on
1395 targets that support it and when -funit-at-a-time is in effect.
1396 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
1397 if the decl doesn't have one.
1398 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
1399 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
1400 of force_const_mem through use_anchored_address.
1401 (expand_expr_constant): New function.
1402 (expand_expr_addr_expr_1): Call it. Use the same modifier when
1403 calling expand_expr for INDIRECT_REF.
1404 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
1405 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
1406 * expr.h (use_anchored_address): Declare.
1407 * loop-unroll.c: Don't declare rtx vectors here.
1408 * explow.c: Include output.h.
1409 (validize_mem): Call use_anchored_address.
1410 (use_anchored_address): New function.
1411 * common.opt (-fsection-anchors): New switch.
1412 * varasm.c (object_block_htab, anchor_labelno): New variables.
1413 (hash_section, object_block_entry_eq, object_block_entry_hash)
1414 (use_object_blocks_p, get_block_for_section, create_block_symbol)
1415 (use_blocks_for_decl_p, change_symbol_section): New functions.
1416 (get_variable_section): New function, split out from assemble_variable.
1417 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
1418 use_blocks_for_decl_p say so. Use change_symbol_section if the
1419 symbol has already been created.
1420 (assemble_variable_contents): New function, split out from...
1421 (assemble_variable): ...here. Don't output any code for
1422 block symbols; just pass them to place_block_symbol.
1423 Use get_variable_section and assemble_variable_contents.
1424 (get_constant_alignment, get_constant_section, get_constant_size): New
1425 functions, split from output_constant_def_contents.
1426 (build_constant_desc): Create a block symbol if use_object_blocks_p
1427 says so. Or into SYMBOL_REF_FLAGS.
1428 (assemble_constant_contents): New function, split from...
1429 (output_constant_def_contents): ...here. Don't output any code
1430 for block symbols; just pass them to place_section_symbol.
1431 Use get_constant_section and get_constant_alignment.
1432 (force_const_mem): Create a block symbol if use_object_blocks_p and
1433 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
1434 (output_constant_pool_1): Add an explicit alignment argument.
1435 Don't switch sections here.
1436 (output_constant_pool): Adjust call to output_constant_pool_1.
1437 Switch sections here instead. Don't output anything for block symbols;
1438 just pass them to place_block_symbol.
1439 (init_varasm_once): Initialize object_block_htab.
1440 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
1441 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
1442 (place_block_symbol, get_section_anchor, output_object_block)
1443 (output_object_block_htab, output_object_blocks): New functions.
1444 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
1445 (TARGET_ASM_OUT): Include it.
1446 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
1447 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
1448 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
1449 (TARGET_INITIALIZER): Include them.
1450 * rtl.c (rtl_check_failed_block_symbol): New function.
1451 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
1452 (block_symbol, object_block): New structures.
1453 (rtx_def): Add a block_symbol field to the union.
1454 (BLOCK_SYMBOL_CHECK): New macro.
1455 (rtl_check_failed_block_symbol): Declare.
1456 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
1457 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
1458 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
1459 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
1460 * output.h (output_section_symbols): Declare.
1461 (object_block): Name structure.
1462 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
1463 (default_use_anchors_for_symbol_p): Declare.
1464 * Makefile.in (RTL_BASE_H): Add vec.h.
1465 (explow.o): Depend on output.h.
1466 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
1467 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1468 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1469 (rs6000_use_blocks_for_constant_p): New function.
1471 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1473 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
1475 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1478 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
1481 2006-02-18 Diego Novillo <dnovillo@redhat.com>
1483 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
1487 2006-02-18 Jakub Jelinek <jakub@redhat.com>
1490 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
1491 instead of DECL_REGISTER.
1493 2006-02-18 Olivier Hainque <hainque@adacore.com>
1496 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
1498 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
1501 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
1502 * opth-gen.awk: Handle Var and InverseMask together.
1503 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
1504 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
1505 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
1506 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
1508 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1509 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1510 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
1511 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1512 LINUX_DYNAMIC_LINKER): Define.
1513 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
1514 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
1516 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1517 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
1518 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1519 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1520 (TARGET_C99_FUNCTIONS): Don't define.
1521 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
1522 GLIBC_DYNAMIC_LINKER.
1523 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
1524 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
1525 GLIBC_DYNAMIC_LINKER64): Define.
1526 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1527 LINUX_DYNAMIC_LINKER64.
1528 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1529 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1530 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
1531 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1532 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1533 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1534 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
1535 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
1536 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
1537 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
1538 and LINUX_DYNAMIC_LINKER32.
1539 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1540 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1541 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
1542 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1543 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
1545 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
1546 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
1547 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1548 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1549 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1550 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
1551 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
1552 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
1553 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1554 LINUX_DYNAMIC_LINKER): Define.
1555 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
1556 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
1557 GLIBC_DYNAMIC_LINKER64): Define.
1558 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1559 LINUX_DYNAMIC_LINKER64.
1560 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1561 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1562 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
1563 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1564 LINUX_DYNAMIC_LINKER): Define.
1565 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1566 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1567 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
1568 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
1569 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
1570 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1571 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
1572 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
1573 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1574 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1575 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1576 * doc/invoke.texi (-muclibc): Remove caveat about supported
1579 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1581 * doc/cpp.texi (__TIMESTAMP__): Document.
1583 2006-02-17 Roger Sayle <roger@eyesopen.com>
1586 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
1587 C is one less than the width of X (and related transformations).
1588 * simplify-rtx.c (simplify_unary_operation_1): Transform
1589 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
1590 depending on STORE_FLAG_VALUE, were C is one less then the
1593 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
1595 Fix PR tree-optimization/26341
1596 * tree-ssa-operands.c (add_virtual_operand): Remove assert
1597 about NAME_MEMORY_TAG's.
1599 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1602 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
1603 with hardware float support, and software float support. Add fcpy
1604 alternative to hardware patterns. Add alternatives to copy between
1605 general and floating-point registers to the 32-bit pattern.
1606 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
1607 secondary reload to load a QI or HI mode constant into a floating
1609 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
1610 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
1612 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
1615 * config/rs6000/darwin.md (load_macho_picbase_si): Add
1617 (load_macho_picbase_di): Likewise.
1619 2006-02-16 Jeff Law <law@redhat.com>
1621 * tree-vrp.c (set_value_range_to_nonnegative): New function.
1622 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
1623 (ssa_name_nonzero_p): Likewise.
1624 (get_value_range): Return NULL if VRP is not running.
1625 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
1626 VRP routines do not discover a range.
1627 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
1628 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
1629 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
1630 (tree_expr_nonnegative_p): Similarly.
1631 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
1632 (restore_nonzero_vars_to_original_value): Remove.
1633 (unsafe_associative_fp_binop): Remove.
1634 (tree_ssa_dominator_optimize): Remove initialization and
1635 finalization of nonzero_vars and nonzero_vars_stack.
1636 (dom_opt_initialize_block): No longer push marker on
1638 (dom_opt_finalize_block): No longer call
1639 restore_nonzero_vars_to_original_value.
1640 (record_equivalences_from_phis): No longer look for
1641 nonzero PHI arguments.
1642 (cprop_into_successor_phis): No longer propagate nonzero
1643 property into PHI arguments. Lose unused argument. Caller
1645 (record_equivalences_from_stmt): No longer record nonzero
1646 values for SSA_NAMEs.
1647 (lookup_avail_expr): No longer use nonzero_vars.
1649 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
1650 for sizetype when sizetype is unsigned.
1652 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
1654 PR rtl-optimization/25603
1655 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
1656 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
1657 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
1658 with new meaning of SETS.
1660 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
1665 * config/linux.opt: New file.
1666 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
1667 LINUX_DYNAMIC_LINKER): Define.
1668 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
1669 * config.gcc (*-*-linux*): Define extra_options.
1670 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
1671 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
1672 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
1673 GLIBC_DYNAMIC_LINKER.
1674 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
1675 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1676 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1677 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1678 * doc/invoke.texi (GNU/Linux Options): New section.
1680 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1682 * config/sparc/sparc.md (setjmp): Rewrite.
1683 (setjmp_32): Delete.
1684 (setjmp_64): Likewise.
1686 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
1688 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
1691 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1693 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
1696 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1698 PR rtl-optimization/26296
1699 * Makefile.in (loop-invariant.c): Add except.h dependency.
1700 * loop-invariant.c: Include except.h.
1701 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
1703 2005-02-16 Paul Brook <paul@codesourcery.com>
1705 * reload1.c (emit_reload_insns): Invalidate dead input registers used
1708 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
1710 PR rtl-optimization/25636
1711 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
1712 when deciding whether an insn is an initializing insn.
1714 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
1716 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
1717 (tree_code_size): Ditto.
1718 * tree.h (struct tree_memory_tag): Remove parent_var.
1719 (struct tree_struct_field_tag): New.
1722 (union tree_node): Add sft member.
1723 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
1725 (create_sft): Add size and offset argument, set SFT_OFFSET and
1727 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
1728 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
1729 * tree-flow-inline.h (get_subvar_at): Update for
1730 SFT_OFFSET/SFT_SIZE.
1731 (var_can_have_subvars): Ditto.
1732 (overlap_subvar): Ditto.
1733 * print-tree.c (print_node): Print out interesting things for
1735 * tree-flow.h (struct subvar): Remove offset and size members.
1736 * tree-ssa-operands.c (get_expr_operands): Update for
1737 get_indirect_ref_operands changes.
1738 (get_indirect_ref_operands): Call add_virtual_operand instead of
1739 add_stmt_operand. Only recurse on base var if requested.
1740 (access_can_touch_variable): New function.
1741 (add_stmt_operand): Split virtual operand handling into ...
1742 (add_virtual_operand): Here. Add offset, size, and for_clobber
1743 arguments. Prune alias sets.
1744 (add_call_clobber_ops): Call add_virtual_operand.
1746 2006-02-15 Jakub Jelinek <jakub@redhat.com>
1749 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
1751 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
1752 than TREE_CODE as index into omp_clause_num_ops array.
1754 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
1756 PR rtl-optimization/26184
1757 * modulo-sched.c (generate_reg_moves): Free bitmap vector
1759 * modulo-sched.c (sms_schedule): Free g_arr pointer.
1760 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
1761 must_precede, must_follow and tobe_scheduled.
1764 * opts.c (common_handle_option): Free new_option pointer.
1765 * df-core.c (df_analyze): Free postorder pointer.
1767 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1769 * Makefile.in: Fix the examples about the use of stamps
1771 2006-02-15 Michael Matz <matz@suse.de>
1775 * stor-layout.c (layout_decl): Zero-width bitfields aren't
1776 influenced by maximum_field_alignment or DECL_PACKED.
1777 (update_alignment_for_field): Ditto.
1778 (place_field): Ditto.
1779 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
1782 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
1784 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
1785 (debug_flow_info): Pass it.
1786 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
1787 * bb-reorder.c (reorder_basic_blocks): Likewise.
1788 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
1789 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
1790 * flow.c (life_analysis, recompute_reg_usage): Likewise.
1791 * gcse.c (gcse_main, bypass_jumps): Likewise.
1792 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
1793 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
1794 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
1795 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
1796 * rtl.h (dump_flow_info): Adjust prototype.
1797 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
1798 * var-tracking.c (variable_tracking_main): Likewise.
1799 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
1800 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
1803 2006-02-15 Marcin Dalecki <martin@dalecki.de>
1805 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
1808 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
1810 PR tree-optimization/26209
1811 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
1812 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
1814 * tree-cfg.c (replace_uses_by): Do not alter cfg.
1816 2006-02-14 Roger Sayle <roger@eyesopen.com>
1819 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
1820 (X,Y) and the corresponding symmetry related transformations.
1821 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
1822 (X,Y) and its symmetry related transformations.
1824 2006-02-14 Roger Sayle <roger@eyesopen.com>
1826 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
1829 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
1831 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
1833 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1836 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
1837 support COMDAT group.
1838 * configure: Regenerate.
1840 2006-02-14 Roger Sayle <roger@eyesopen.com>
1845 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
1847 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
1849 Fix PR tree-optimization/26260
1851 * doc/invoke.texi (max-fields-for-field-sensitive): Document
1853 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
1854 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
1855 * tree-ssa-structalias.c (create_variable_info_for): Use
1856 MAX_FIELDS_FOR_FIELD_SENSITIVE.
1858 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
1860 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
1862 * tree-ssa-loop-niter.c (number_of_iterations_ne,
1863 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
1864 of the ending condition.
1865 * tree-ssa-loop-manip.c: Include params.h.
1866 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
1867 tree_unroll_loop): New functions.
1868 * tree-pass.h (pass_loop_prefetch): Declare.
1869 * loop.c (rest_of_handle_loop_optimize): Test for
1870 -fprefetch-loop-arrays-rtl.
1871 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
1872 * timevar.def (TV_TREE_PREFETCH): New timevar.
1873 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
1874 pass_loop_prefetch): New.
1875 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
1876 (cleanup_tree_cfg_loop): Call scev_reset.
1877 * common.opt (fprefetch-loop-arrays-rtl): Add.
1878 * tree-ssa-loop-prefetch.c: New file.
1879 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
1880 (new_temp_expr_table): Initialize expr_vars.
1881 (free_temp_expr_table): Cleanup expr_vars.
1882 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
1883 expressions from being merged into one.
1884 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
1885 (struct tree_niter_desc): Add control, bound and cmp fields.
1886 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
1888 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
1889 (tree-cfgcleanup.o): Add SCEV_H dependency.
1890 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
1891 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
1893 2006-02-14 Richard Guenther <rguenther@suse.de>
1895 PR tree-optimization/26258
1896 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
1897 in PHI argument processing.
1899 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
1901 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
1902 new expression in the requested machine mode.
1904 2006-02-13 Roger Sayle <roger@eyesopen.com>
1906 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
1907 directly, instead let do_compare_rtx_and_jump handle this for us.
1908 * expr.c (expand_expr_real_1): Likewise.
1909 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
1910 before do_jump_by_parts_greater.
1911 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
1912 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
1914 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1916 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
1918 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
1920 PR rtl-optimization/26235
1921 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
1922 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
1925 2006-02-13 Jeff Law <law@redhat.com>
1927 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
1930 2006-02-13 Jakub Jelinek <jakub@redhat.com>
1933 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
1934 twice if decl is a builtin. When trying again, call get_callee_fndecl
1935 first to verify it is still a builtin.
1937 2006-02-13 Geoffrey Keating <geoffk@apple.com>
1939 * dwarf2out.c (base_type_die): Don't add AT_name here.
1940 (subrange_type_die): Don't add AT_name here.
1941 (modified_type_die): Rearrange code flow. Do add AT_name here.
1943 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
1945 PR rtl-optimization/26247
1946 PR rtl-optimization/26248
1947 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
1949 2006-02-13 Richard Sandiford <richard@codesourcery.com>
1951 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
1952 * config/fixtfdi.c: Likewise.
1953 * config/fixunstfdi.c: Likewise.
1954 * config/floatditf.c: Likewise.
1956 2006-02-13 Roger Sayle <roger@eyesopen.com>
1959 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
1960 into (X,C2) if C1 is a subset of the bits of C2. Transform
1961 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
1963 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
1965 2006-02-13 Josh Conner <jconner@apple.com>
1968 * varasm.c (function_section): Check for section name before
1969 calling select_section on targets that define
1970 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
1971 unlikely_text_section instead of hot_function_section if
1972 first_function_block_is_cold.
1974 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
1977 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
1979 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1981 PR rtl-optimization/26222
1982 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
1983 after tree->rtl expansion.
1984 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
1985 before passing it to emit_move_insn.
1987 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
1989 * doc/invoke.texi (-Write-strings): Document that it is enabled by
1991 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
1992 Clarify documentation.
1993 * c-common.h (warn_write_strings): Remove.
1994 * c-common.c (warn_write_strings): Likewise.
1995 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
1998 2006-02-12 Roger Sayle <roger@eyesopen.com>
2001 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
2002 (do_jump_parts_zero_rtx): New function renamed from
2003 do_jump_parts_equality_rtx. Made static. Add a mode argument.
2004 (do_jump_parts_equality_rtx): New function split out from
2005 do_jump_parts_equality. Old implementation renamed as above.
2006 Call do_jump_parts_zero_rtx if either operand is zero.
2007 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
2008 do all of the heavy lifting.
2009 (do_compare_rtx_and_jump): Handle multi-word comparisons by
2010 calling either do_jump_by_parts_greater_rtx or
2011 do_jump_by_parts_equality_rtx.
2012 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
2013 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
2014 moved to do_compare_rtx_and_jump, call it directly.
2015 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
2016 mode argument. Call do_compare_rtx_and_jump.
2017 (emit_case_nodes): Update calls to do_jump_if_equal.
2019 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2021 PR rtl-optimization/26225
2022 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
2024 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2026 PR rtl-optimization/26232
2027 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
2029 2006-02-11 Jason Merrill <jason@redhat.com>
2032 * tree-inline.c (declare_return_variable): Just don't use the
2033 modify target if it's a gimple complex reg and the return slot
2036 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2038 * doc/contrib.texi: Update my entry.
2040 2006-02-10 Geoffrey Keating <geoffk@apple.com>
2042 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
2044 2006-02-10 Diego Novillo <dnovillo@redhat.com>
2046 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
2049 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
2051 * doc/invoke.texi (-floop-optimize2): Removed.
2052 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
2053 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
2054 Test flag_branch_on_count_reg only if HAVE_doloop_end.
2055 * common.opt (floop-optimize2): Removed.
2056 (fmove-loop-invariants): Enabled by default.
2058 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
2060 * tree-if-conv.c (combine_blocks): Free the result of
2061 get_loop_exit_edges.
2063 2006-02-10 Jeff Law <law@redhat.com>
2065 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
2067 PR tree-optimization/26213
2068 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
2069 loop trying to follow SSA_NAME_VALUE chains.
2071 2006-02-10 Richard Guenther <rguenther@suse.de>
2073 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
2074 deal with structures that end in implicitly variable sized arrays.
2076 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2078 PR rtl-optimization/24762
2079 * df-scan.c (df_bb_refs_record): Record correct registers defined on
2082 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2084 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
2085 (struct ivopts_data): Add regs_used field.
2086 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
2087 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
2088 instead of loop_data->regs_used;
2089 (free_loop_data): Do not free aux fields for loops.
2090 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
2091 and tree_ssa_iv_optimize_finalize.
2093 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
2095 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
2097 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2100 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
2101 computing the effective result type.
2103 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2106 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
2107 (tree_overlaps_hard_reg_set): Declare.
2108 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
2109 type and signature to match function type expected by walk_tree.
2110 (tree_overlaps_hard_reg_set): New function.
2111 (decl_conflicts_with_clobbers_p): Rename to:
2112 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
2113 Use tree_overlaps_hard_reg_set. Changed caller.
2114 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
2115 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
2116 * cris.c (cris_md_asm_clobbers): Likewise.
2118 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
2120 * reload1.c (emit_input_reload_insns): Delete code that tries to
2121 inherit using find_equiv_reg.
2123 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
2125 * c-common.h (flag_const_strings): Don't declare.
2126 * c-common.c (flag_const_strings): Remove.
2127 * c.opt (fconst_strings): Remove.
2128 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
2129 <OPT_Wwrite_strings>: Don't set flag_const_strings.
2130 (c_common_init_options): Don't set flag_const_strings.
2131 * doc/invoke.texi (-fno-const-strings): Remove documentation.
2133 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
2135 * arm.md (tlobits_cbranch): New pattern.
2136 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
2137 testing a single bit.
2139 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2142 * tree-ssa-pre.c (create_component_ref_by_pieces):
2143 Handle RETURN_DECL like VAR_DECL.
2145 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2148 * fold-const.c (fold_indirect_ref_1): Fold
2149 "*(foo *)&complexfoo" to "__real__ complexfoo"
2150 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
2152 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2154 * tree-flow-inline.h (var_can_have_subvars):
2155 Volatile variables should not have subvariables.
2157 2006-02-09 Diego Novillo <dnovillo@redhat.com>
2160 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
2161 multiplying unsigned values.
2164 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
2166 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
2168 2006-02-08 Jason Merrill <jason@redhat.com>
2171 * tree.def: Elaborate on difference from MODIFY_EXPR.
2172 * doc/c-tree.texi (INIT_EXPR): Likewise.
2173 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
2174 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
2175 (gimplify_target_expr): Likewise.
2176 (gimplify_cond_expr): Remove target handling.
2177 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
2178 (gimplify_expr): Clobber it here.
2179 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
2180 Do return slot optimization if we have an INIT_EXPR.
2183 * tree-inline.c (declare_return_variable): Also clear
2184 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
2187 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
2190 * gimplify.c (gimplify_one_sizepos): Fix typo.
2192 2006-02-08 Jeff Law <law@redhat.com>
2194 PR tree-optimization/21417
2195 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
2196 across a backedge if the control statement at the end of the
2197 block is data dependent on other statements in the same block.
2198 (record_temporary_equivalences_from_stmts): Remove over-conservative
2199 test for threading across backedges.
2201 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
2202 control statement, handle all three special cases in the same
2203 manner as they all have the same desired solution. No longer
2204 special case edge flag updating when the post dominator is
2207 2006-02-08 Roger Sayle <roger@eyesopen.com>
2209 * tree.def (CHAR_TYPE): Remove.
2210 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
2211 * dwarf2out.c (base_type_die, is_base_type): Likewise.
2212 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
2213 (gen_string_type_die): Delete unreachable function.
2215 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
2216 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
2217 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
2218 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
2219 * builtins.c (type_to_class): Likewise.
2220 * fold-const.c (fold_convert, build_range_check,
2221 merge_ranges): Likewise.
2222 * expr.c (count_type_elements): Likewise.
2223 * c-pretty-print.c (pp_c_type_specifier): Likewise.
2224 * stor-layout.c (layout_type): Likewise.
2225 * ipa-type-escape.c (type_to_consider): Likewise.
2226 * gimplify.c (omp_firstprivatize_type_sizes,
2227 gimplify_type_sizes): Likewise.
2228 * explow.c (promote_mode): Likewise.
2229 * tree-sra.c (is_sra_scalar_type): Likewise.
2230 * varasm.c (output_constant): Likewise.
2231 * tree-inline.c (remap_type_1): Likewise.
2232 * convert.c (convert_to_pointer, convert_to_real,
2233 convert_to_integer, convert_to_complex): Likewise.
2235 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
2237 * df-scan.c (df_def_record_1): A set destination may
2238 be a parallel regardless of mode.
2240 2006-02-08 Roger Sayle <roger@eyesopen.com>
2243 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
2244 * config/mips/_tilib.c: Remove.
2245 * config/fixtfdi.c: New libgcc source file.
2246 * config/fixunstfdi.c: New source file.
2247 * config/floatditf.c: New source file.
2248 * config/floatunditf.c: New souce file.
2249 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2250 files above instead of config/mips/_tilib.c.
2251 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2253 2006-02-08 Jeff Law <law@redhat.com>
2255 PR tree-optimization/26169
2256 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
2259 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
2261 * df.h (DF_REG_SIZE): Return the length of the initialized
2264 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
2266 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
2267 __muldf3): Return a correctly signed zero.
2269 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
2271 * passes.c (register_one_dump_file): Accept the current properties
2272 instead of pass number. Adjust call to dump_register. Remove
2274 (register_dump_files): Now a wrapper around...
2275 (register_dump_files_1): ... this one. Do not modify the pass
2277 (next_pass_1): Cosmetic fix.
2278 (execute_todo): Keep second parameter only. Use curr_properties
2279 instead of fetching it from the pass structure. Check and set
2281 (execute_one_pass): Handle TODO_set_props. Use curr_properties
2282 instead of fetching it from the pass structure. Fix calls to
2283 execute_todo. Update curr_properties and initialize .vcg RTL dump
2284 after running the pass. Reset last_verified.
2285 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
2287 (FIRST_AUTO_NUMBERED_DUMP): New.
2288 (dump_register): Remove "num" parameter, assign it within the
2290 (get_dump_file_name): Modify template for dumps.
2291 * tree-dump.h (dump_register): Adjust prototype.
2292 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
2293 (PROP_trees): Add PROP_gimple_lomp.
2294 (TODO_set_props): New.
2295 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
2296 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
2297 * cfgexpand.c (pass_expand): Destroy PROP_trees.
2299 2006-02-08 Jakub Jelinek <jakub@redhat.com>
2301 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
2302 (sparc64-*-linux*): Likewise.
2303 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
2304 * config/sparc/t-linux: New file.
2305 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
2306 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
2307 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
2308 -m32 -mlong-double-128.
2310 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
2311 * config/alpha/t-linux: New file.
2312 * config/alpha/libgcc-alpha-ldbl.ver: New file.
2314 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
2315 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
2316 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
2317 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
2318 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
2319 (CPP_ARCH32_SPEC): Remove.
2321 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
2323 PR tree-optimization/26145
2324 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
2327 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2330 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
2331 >= 240000 when generating code for SOM runtime.
2332 (output_indirect_call): Don't use "b,l" instruction for indirect calls
2333 to $$dyncall when generating code for SOM runtime..
2335 2006-02-07 Dirk Mueller <dmueller@suse.com>
2338 * doc/invoke.texi (-Wsequence-point): Update documentation
2339 that -Wsequence-point is implemented for C++ as well.
2341 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2343 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
2344 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
2345 (LIB_SPEC): Likewise.
2346 * doc/invoke.texi (SPARC options): Document -pthread.
2348 2006-02-07 Geoffrey Keating <geoffk@apple.com>
2350 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
2353 2006-02-07 Roger Sayle <roger@eyesopen.com>
2355 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
2356 Correct comment describing BOOLEAN_TYPE.
2358 2006-02-07 Dirk Mueller <dmueller@suse.com>
2360 * c.opt: C++ frontend supports -Wdiv-by-zero.
2361 * c-opts.c (c_common_handle_option): Remove dead case.
2363 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2365 * configure.ac (TLS assembler check): Do not enable TLS by
2366 default on SPARC/Solaris before version 10.
2367 * configure: Regenerate.
2369 2006-02-07 David Edelsohn <edelsohn@gnu.org>
2371 * doc/invoke.texi (xl-compat): Document conversion and support
2374 2006-02-07 Jeff Law <law@redhat.com>
2376 * tree-vrp.c (find_conditional_asserts): Update comments.
2377 (simplify_stmt_for_jump_threading): New.
2378 (identify_jump_threads, finalize_jump_threads): New.
2379 (vrp_finalize): Call identify_jump_threads.
2380 (execute_vrp): Call finalize_jump_threads.
2381 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
2382 (vrp_element, vrp_data, vrp_element_p): Remove.
2383 (vrp_hash_elt, vrp_variables_stack): Remove.
2384 (vrp_hash, vrp_eq, record_range): Remove.
2385 (simplify_cond_and_lookup_avail_expr): Remove.
2386 (extract_range_from_cond): Remove.
2387 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
2388 (simplify_stmt_for_jump_threading): New.
2389 (dom_thread_across_edge): New wrapper.
2390 (tree_ssa_dominator_optimize): No longer initialize or
2391 finalize any of the VRP datastructures. Remove iteration
2392 step and simplify as a result of removal of iteration step.
2393 (pass_dominator): Perform a cfg cleanup after DOM.
2394 (dom_opt_finalize_block): Use the new common routines
2395 for threading jumps. Simplify stack management slightly.
2396 No longer need to unwind VRP state.
2397 (record_equivalences_from_incoming_edge): No longer record
2399 (eliminate_redundant_computations): No longer call
2400 simplify_cond_and_lookup_avail_expr.
2401 * tree-flow.h (potentially_threadable_block): Prototype.
2402 (thread_across_edge): Likewise.
2403 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
2404 (tree-ssa-threadedge.o): Add dependencies.
2405 * tree-ssa-threadedge.c: New file.
2406 * passes.c (init_optimization_passes): Merge PHIs before
2407 calling VRP. Run VRP again late in the SSA optimization pipeline.
2409 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2411 * df-core.c (df_set_blocks): Do not dereference function pointers.
2412 (df_finish1): Likewise.
2413 (df_hybrid_search_forward): Likewise.
2414 (df_hybrid_search_backward): Likewise.
2415 (df_iterative_dataflow): Likewise.
2416 (df_analyze_problem): Likewise.
2417 (df_compact_blocks): Likewise.
2418 (df_dump): Likewise.
2419 * df-scan.c (df_rescan_blocks): Likewise.
2420 (df_record_entry_block_defs): Likewise.
2422 * genconditions.c (write_conditions): Guard the definition of
2423 'insn_conditions' with the check on GCC version.
2424 (write_writer): Guard the traversal 'insn_conditions' with
2425 the check on GCC version.
2427 2006-02-07 Richard Guenther <rguenther@suse.de>
2431 2006-01-30 Richard Guenther <rguenther@suse.de>
2433 * gimplify.c (gimplify_target_expr): Handle easy cases
2434 without creating a temporary.
2436 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
2438 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
2439 use of float in probability computations. Use edge probabilities
2440 in place of statically computed probabilities.
2441 (min_spec_prob): New static variable.
2442 (schedule_insns): Initialize it.
2443 (GET_SRC_PROB): Removed.
2444 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
2446 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
2449 * config/ia64/unwind-ia64.c: Revert last change.
2450 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
2451 (INCOMING_FRAME_SP_OFFSET): Define.
2453 2006-02-06 Roger Sayle <roger@eyesopen.com>
2455 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
2457 2006-02-07 Ben Elliston <bje@au.ibm.com>
2459 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
2460 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
2461 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
2462 (ix86_return_in_memory): Handle TDmode.
2463 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
2464 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
2466 2006-02-06 Richard Sandiford <richard@codesourcery.com>
2468 * reorg.c (dbr_schedule): Use dump_file instead of file.
2470 2006-02-06 Steve Ellcey <sje@cup.hp.com>
2473 * config/ia64/predicates.md (extr_len_operand): New predicate.
2474 * config/ia64/ia64.md (extv): Tighten constraints.
2476 (*tbit_and_2): Ditto.
2477 (*tbit_and_3): Ditto.
2478 (*tbit_or_2): Ditto.
2479 (*tbit_or_3): Ditto.
2483 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
2486 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
2488 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
2490 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
2491 loop_optimizer_init and loop_optimizer_finalize
2492 * tree-ssa-sink.c (execute_sink_code): Ditto.
2493 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2494 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
2495 tree_ssa_loop_done): Ditto.
2496 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
2497 * sched-ebb.c: Include output.h.
2498 (schedule_ebbs): Do not use dump argument.
2499 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
2500 * loop.c (loop_dump_stream): Removed.
2501 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
2503 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
2504 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
2505 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
2506 loop_iterations, strength_reduce, record_biv, record_giv,
2507 final_giv_value, check_final_value, check_ext_dependent_givs,
2508 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
2509 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
2510 dump_file instead of loop_dump_stream.
2511 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
2513 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
2515 * flow.c (life_analysis, rest_of_handle_life): Ditto.
2516 * haifa-sched.c: Include output.h
2517 (schedule_insns, sched_init): Do not use dump argument.
2518 * mode-switching.c (optimize_mode_switching): Ditto.
2519 * modulo-sched.c (stats_file): Removed.
2520 (print_node_sched_params): Do not call argument dump_file.
2521 (sms_schedule_by_order, loop_canon_p, sms_schedule,
2522 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
2524 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
2526 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
2527 rtl_loop_init, rtl_loop_done): Ditto.
2528 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
2529 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
2531 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
2532 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
2533 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
2534 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
2535 * emit-rtl.c (renumber_insns): Ditto.
2536 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
2537 expand_gimple_basic_block, tree_expand_cfg): Ditto.
2538 * regclass.c (regclass): Ditto.
2539 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
2540 remove_ssa_form, rewrite_out_of_ssa): Ditto.
2541 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
2542 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
2544 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
2545 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
2547 * gcse.c (gcse_file, debug_stderr): Removed.
2548 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
2549 rest_of_handle_gcse): Do not use dump argument.
2550 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
2551 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
2552 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
2553 compute_code_hoist_vbeinout, compute_code_hoist_data,
2554 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
2555 compute_store_table, build_store_vectors, insert_insn_start_bb,
2556 insert_store, remove_reachable_equiv_notes, replace_store_insn,
2557 store_motion): Use dump_file instead of gcse_file.
2558 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
2559 * profile.c (profile_dump_file): Removed.
2560 (branch_prob): Use dump_file instead of profile_dump_file.
2561 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
2563 * tree-ssa-copy.c (dump_copy_of): Ditto.
2564 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
2565 dump file to life_analysis.
2566 * bt-load.c (branch_target_load_optimize): Ditto.
2567 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
2569 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
2570 regclass, dbr_schedule): Declaration changed.
2571 * sched-int.h (sched_init): Declaration changed.
2572 * tree-profile.c (tree_profile_dump_file): Removed.
2573 (tree_profile_hooks): Removed profile_dump_file hook.
2574 * rtl-profile (rtl_profile_dump_file): Removed.
2575 (rtl_profile_hooks): emoved profile_dump_file hook.
2576 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
2578 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
2579 * tree-cfg.c (build_tree_cfg): Ditto.
2580 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
2581 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
2582 Declaration changed.
2583 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
2584 life_analysis and schedule_insns.
2585 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
2587 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
2589 * config/mips/mips.c (mips_reorg): Ditto.
2590 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
2593 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
2595 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2596 (s390_mangle_fundamental_type): New.
2597 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2600 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2601 (alpha_mangle_fundamental_type): New.
2602 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2605 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2607 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2609 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2610 (sparc_mangle_fundamental_type): New.
2612 2006-02-06 Jakub Jelinek <jakub@redhat.com>
2614 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
2615 (s390x-*-linux*): Likewise.
2616 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
2617 * config/s390/t-linux: New file.
2619 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2621 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
2622 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
2624 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
2626 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
2627 (ANTIC_SAFE_LOADS): New macro.
2628 (find_or_generate_expression): Add prototype.
2629 (set_contains_value): Allow null set for sake of not always having
2630 to allocate ANTIC_SAFE_LOADS.
2631 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
2632 Allow COMPONENT_REF too.
2633 (valid_in_set): Allow COMPONENT_REF.
2634 Check ANTIC_SAFE_LOADS too.
2635 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
2636 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
2638 (can_PRE_operation): Add COMPONENT_REF.
2639 (create_component_ref_by_pieces): New function.
2640 (create_expression_by_pieces): Use create_component_ref_by_pieces.
2641 (insert_aux): Move AGGREGATE_TYPE_P check here.
2642 (compute_avail): Set bb local stmt uids.
2643 (pass_pre): Use TODO_update_ssa_only_virtuals.
2645 2006-02-06 Ben Elliston <bje@au.ibm.com>
2647 * configure.ac: Unconditionally disable decimal float by default.
2648 * configure: Regenerate.
2650 2006-02-06 Ben Elliston <bje@au.ibm.com>
2652 * read-rtl.c (read_name): Terminate reading on EOF.
2654 2006-02-06 Ben Elliston <bje@au.ibm.com>
2656 * dfp.c (decimal_real_arithmetic): Change second argument type
2657 from int to enum tree_code. Do not always return true, but now
2658 return result of any call to decimal_do helper functions.
2659 * dfp.h (decimal_real_arithmetic): Update prototype.
2661 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
2663 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
2665 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
2668 * tree-cfg.c (cleanup_dead_labels): Also don't remove
2671 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2673 * tree-vrp.c (cfg_loops): Removed.
2674 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
2675 Use current_loops instead of cfg_loops. Pass flags to
2676 loop_optimizer_init.
2677 * cfgloopmanip.c (fix_loop_structure): Update only available
2679 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
2680 loop_optimizer_init.
2681 * modulo-sched.c (build_loops_structure): Removed.
2682 (sms_schedule): Use loop_optimizer_init.
2683 * loop-init.c (loop_optimizer_init): Use flags to determine
2684 which properties of loops to prepare.
2685 (rtl_loop_init): Pass flags to loop_optimizer_init.
2686 * tree-ssa-sink.c (execute_sink_code): Ditto.
2687 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
2688 * tree-ssa-pre.c (init_pre): Ditto.
2689 * cfgloop.h (LOOPS_NORMAL): New.
2690 (loop_optimizer_init): Declaration changed.
2692 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2694 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
2695 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
2697 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
2699 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
2701 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
2702 * pa/t-pa64: Delete quadlib.c rule.
2703 * pa/x-ada: Revert last change.
2704 * pa/t-pa: Revert last change. Delete quadlib.c rule.
2706 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2708 PR rtl-optimization/26087
2709 * rtlanal.c (canonicalize_condition): Do not cross basic block
2712 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
2715 * config/ia64/ia64.c: Include debug.h.
2716 (MAX_ARTIFICIAL_LABEL_BYTES): New.
2717 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
2718 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
2719 (process_epilogue, process_set, process_for_unwind_directive):
2720 Output unwind info only if requested. Add CFA info if requested.
2721 Add new arguments as needed. Adjust callers.
2722 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
2724 (DWARF2_FRAME_INFO): Define to zero.
2725 * config/ia64/unwind-ia64.c: Remove code that compensated for
2726 the CFA offset error fixed above.
2727 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
2728 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
2729 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
2730 -funwind-tables and -fexceptions to enable frame info.
2731 (dwarf2out_frame_init): Define initial CFA even if
2732 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
2733 DWARF2_UNWIND_INFO is nonzero, not just defined.
2734 (dwarf2out_frame_finish): Output non-EH call frame info only
2735 if DWARF2_FRAME_INFO is nonzero.
2736 (convert_cfa_to_loc_list,
2737 compute_frame_pointer_to_cfa_displacement): Define even if
2738 unwind info is not supported.
2739 (gen_subprogram_die): Use the above unconditionally. Remove
2740 legacy alternate code.
2741 * toplev.c (compile_file): Compile in call to
2742 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
2743 (lang_dependent_init): Ditto for dwarf2out_frame_init.
2745 2006-02-04 David Edelsohn <edelsohn@gnu.org>
2746 Jakub Jelinek <jakub@redhat.com>
2748 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
2749 IBM extended float format long double as "g" on powerpc*-linux.
2751 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2754 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
2755 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
2757 2006-02-03 Jason Merrill <jason@redhat.com>
2760 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
2763 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
2764 on the return slot if it's an NRV.
2766 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
2768 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
2769 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
2770 rewrite_use): Do not handle USE_OUTER.
2771 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
2772 add_iv_outer_candidates, may_replace_final_value,
2773 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
2774 (find_interesting_uses_op): Functionality of
2775 find_interesting_uses_outer_or_nonlin moved here.
2776 (find_interesting_uses_outside): Use find_interesting_uses_op.
2778 2006-02-03 Alan Modra <amodra@bigpond.net.au>
2781 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
2783 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
2784 Ulrich Weigand <uweigand@de.ibm.com>
2787 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
2788 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
2789 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
2790 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
2792 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
2793 (s390_rtx_costs): Use the new fields to calculate rtx costs.
2794 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
2795 Define secondary reloads for TFmode moves.
2796 (constant_modes): Add TFmode.
2797 (NR_C_MODES): Set to 8.
2798 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
2800 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
2801 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
2802 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
2803 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
2804 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
2805 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
2806 (FPR mode macro): Add TFmode.
2807 (DSF mode macro): New.
2808 (<de>, <dee> mode attributes): Removed.
2809 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
2810 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
2811 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
2812 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
2813 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
2814 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
2815 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
2816 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
2817 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
2818 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
2819 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
2820 "*negabs<mode>2", "sqrt<mode>2"):
2821 Changed <de> to <xde>. R constraint replaced by <Rf>.
2822 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
2824 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
2825 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
2826 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
2828 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
2829 "extenddftf2", "extendsftf2"): New expanders.
2830 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
2831 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
2832 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
2833 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
2835 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
2836 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
2837 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
2838 __floatditf): Add a GCC_4.1.0 symbol version tag.
2839 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
2842 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
2845 * config/i386/i386.c (ix86_function_ok_for_sibcall):
2846 Use targetm.binds_local_p instead of TREE_PUBLIC.
2848 2006-02-02 Roger Sayle <roger@eyesopen.com>
2850 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
2851 on INTEGER_TYPEs to indicate that it denotes a character type.
2852 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
2853 signed_char_type_node, unsigned_char_type_node and char_type_node.
2854 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
2855 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
2856 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
2858 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
2859 Daniel Berlin <dberlin@dberlin.org>
2861 * tree-tailcall.c (arg_needs_copy_p): New function.
2862 (eliminate_tail_call): Use arg_needs_copy_p.
2863 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
2864 (add_virtual_phis): New function.
2866 2006-02-02 Jakub Jelinek <jakub@redhat.com>
2868 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
2869 #ignore instead of #scratch for %g7 .register directive.
2871 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
2873 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
2876 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2878 * flow.c (calculate_global_regs_live): Assert that there aren't any
2881 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
2883 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
2885 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
2886 bsi_after_labels iterator.
2887 * tree-if-conv.c (find_phi_replacement_condition,
2888 replace_phi_with_cond_modify_expr): Likewise.
2889 * tree-scalar-evolution.c (scev_const_prop): Likewise.
2890 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
2892 2006-02-02 Diego Novillo <dnovillo@redhat.com>
2894 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
2896 2006-02-02 Diego Novillo <dnovillo@redhat.com>
2899 * tree-cfg.c (move_block_to_fn): Clear out the basic block
2900 array after growing it.
2902 2006-02-01 Steve Ellcey <sje@cup.hp.com>
2905 * fold-const.c (fold_checksum_tree): Change type of buf.
2907 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
2909 * reload.c (push_secondary_reload): Initialize t_icode.
2911 2006-02-01 Jakub Jelinek <jakub@redhat.com>
2913 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
2914 -msoft-float -mlong-double-128 only issue a warning, but don't
2915 swich to DFmode long double.
2917 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
2919 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
2920 has a constant equivalent, iterate over equivalents for arg0,
2921 calling simplify_relational_operation and if there's a result
2922 cheaper than X, apply fold_rtx and return the result.
2924 2006-02-01 Jan Hubicka <jh@suse.cz>
2926 * opts.c (no_unit_at_a_time_default): New global variable.
2927 (decode_options): Use it.
2928 * opts.h (no_unit_at_a_time_default): Declare.
2930 2006-02-01 Paul Brook <paul@codesourcery.com>
2932 * function.c (assign_parm_setup_reg): Use function argument promotion
2934 * expr.c (expand_expr_real_1): Use function argument promotion rules
2937 2006-02-01 Steve Ellcey <sje@cup.hp.com>
2939 * gcc.c (process_command): Change j to 'unsigned int'.
2941 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2944 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
2945 Use the corrected index for the character
2946 out of the string constant.
2948 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2950 * mode-switching.c (optimize_mode_switching): Fix size
2951 allocated for bb_info[n_entities].
2953 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2955 * gcc.c (main): Correct type that is allocated for
2956 explicit_link_files.
2958 2006-01-31 Jakub Jelinek <jakub@redhat.com>
2960 * config/s390/s390.c (init_alignment_context): Set
2961 ALIAS_SET_MEMORY_BARRIER on the MEM.
2962 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
2964 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
2967 * loop-unroll.c (unroll_loop_runtime_iterations): Free
2969 * tree-ssa-live.c (type_var_init): Allocate bitmap after
2972 2006-01-31 Marcin Dalecki <martin@dalecki.de>
2974 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
2975 * regrename.c: Ditto.
2976 * tree-ssa-loop-im.c: Ditto.
2977 * tree-dump.c: Ditto.
2978 * tree-complex.c: Ditto.
2979 * genrecog.c: Ditto.
2980 * tree-ssa-threadupdate.c: Ditto.
2982 * java/class.c: Ditto.
2983 * java/jcf-parse.c: Ditto.
2984 * java/resource.c: Ditto.
2985 * java/except.c: Ditto.
2986 * java/jvspec.c: Ditto.
2987 * java/jcf-write.c: Ditto.
2988 * java/jcf-path.c: Ditto.
2989 * java/gjavah.c: Ditto.
2990 * java/zextract.c: Ditto.
2991 * java/jcf-io.c: Ditto.
2992 * java/jcf.h: Ditto.
2993 * java/buffer.c: Ditto.
2994 * java/lang.c: Ditto.
2995 * java/parse-scan.y: Ditto.
2996 * java/lex.c: Ditto.
2997 * java/lex.h: Ditto.
2998 * cfgloopmanip.c: Ditto.
2999 * postreload-gcse.c: Ditto.
3000 * tree-ssa-loop-manip.c: Ditto.
3001 * postreload.c: Ditto.
3002 * tree-ssa-loop-ch.c: Ditto.
3006 * diagnostic.c: Ditto.
3008 * genoutput.c: Ditto.
3010 * cfghooks.c: Ditto.
3011 * cfgloopanal.c: Ditto.
3012 * objc/objc-act.c: Ditto.
3014 * genextract.c: Ditto.
3015 * genautomata.c: Ditto.
3016 * pretty-print.c: Ditto.
3018 * cgraphunit.c: Ditto.
3021 * haifa-sched.c: Ditto.
3022 * dominance.c: Ditto.
3024 * tree-ssa-loop-ivopts.c: Ditto.
3026 * mode-switching.c: Ditto.
3027 * modulo-sched.c: Ditto.
3029 * ipa-pure-const.c: Ditto.
3031 * fix-header.c: Ditto.
3033 * tree-stdarg.c: Ditto.
3034 * ipa-utils.c: Ditto.
3035 * loop-init.c: Ditto.
3036 * ipa-inline.c: Ditto.
3039 * alloc-pool.c: Ditto.
3040 * dwarf2out.c: Ditto.
3042 * genattrtab.c: Ditto.
3043 * tree-ssa-loop-ivcanon.c: Ditto.
3047 * fortran/gfortranspec.c: Ditto.
3049 * local-alloc.c: Ditto.
3050 * langhooks.c: Ditto.
3051 * function.c: Ditto.
3052 * tree-vectorizer.c: Ditto.
3054 * ipa-type-escape.c: Ditto.
3056 * tree-if-conv.c: Ditto.
3059 * tree-data-ref.c: Ditto.
3060 * loop-unroll.c: Ditto.
3061 * treelang/treetree.c: Ditto.
3064 * ggc-common.c: Ditto.
3066 * coverage.c: Ditto.
3068 * tree-cfgcleanup.c: Ditto.
3069 * tree-ssa-pre.c: Ditto.
3070 * cfgcleanup.c: Ditto.
3071 * loop-invariant.c: Ditto.
3073 * ipa-prop.c: Ditto.
3074 * print-tree.c: Ditto.
3075 * conflict.c: Ditto.
3076 * ggc-page.c: Ditto.
3077 * sched-deps.c: Ditto.
3078 * regclass.c: Ditto.
3079 * tree-object-size.c: Ditto.
3081 * bb-reorder.c: Ditto.
3082 * resource.c: Ditto.
3083 * var-tracking.c: Ditto.
3085 * df-problems.c: Ditto.
3086 * reg-stack.c: Ditto.
3089 * sched-rgn.c: Ditto.
3090 * tree-ssa-structalias.c: Ditto.
3091 * tree-ssa-reassoc.c: Ditto.
3092 * config/darwin-c.c: Ditto.
3093 * config/darwin.c: Ditto.
3094 * config/arm/arm.c: Ditto.
3096 * collect2.c: Ditto.
3099 2006-01-31 Nicolas Pitre <nico@cam.org>
3101 * arm.md (smaxsi3): Make aware of smax_m1.
3104 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
3106 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
3108 2006-01-31 Richard Guenther <rguenther@suse.de>
3110 * doc/invoke.texi (-msselibm): Document.
3111 * target.h (expand_library_builtin): New target hook.
3112 * builtins.c (expand_builtin): Use expand_library_builtin.
3113 (default_expand_library_builtin): New function.
3114 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3115 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3116 (link_gcc_math_spec): Declare.
3117 (static_specs): Add link_gcc_math_spec.
3118 * expr.h (default_expand_library_builtin): Declare.
3119 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3120 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3121 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3122 * config/i386/i386.opt (msselibm): New target option.
3123 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3124 (ix86_init_sse_abi_builtins): New function.
3125 (ix86_expand_library_builtin): Likewise.
3126 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3127 (override_options): Handle error conditions wrt -msselibm.
3128 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3129 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3130 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3133 2006-01-31 Richard Guenther <rguenther@suse.de>
3134 Paolo Bonzini <bonzini@gnu.org>
3136 * doc/install.texi (--disable-libgcc-math): Document.
3138 2006-01-30 Marcin Dalecki <martin@dalecki.de>
3140 * expr.h (expand_normal): new inline function.
3141 * builtins.c: use it, use EXPAND_NORMAL explicitely.
3143 * dwarf2out.c: use it.
3148 * config/sparc/sparc.c: use it.
3149 * config/i386/i386.c: use it.
3150 * config/rs6000/rs6000.c: use it.
3151 * config/arm/arm.c: use it.
3152 * config/mips/mips.c: use it.
3153 * stmt.c: use it, use EXPAND_NORMAL explicitely.
3155 2006-01-30 Roger Sayle <roger@eyesopen.com>
3157 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
3158 argv to the appropriate type.
3160 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
3162 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
3165 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
3168 * config/s390/s390.c (struct machine_function): New flag
3169 decomposed_literal_pool_addresses_ok_p.
3170 (s390_reorg): Set it before final stage of literal pool transforms.
3171 (s390_decompose_address): Only accept displacements of the form
3172 (minus (label_ref ...) (label_ref ...)) if that flag is set.
3174 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
3176 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
3177 the comparison routine return.
3179 2006-01-30 Michael Matz <matz@suse.de>
3181 * global.c (find_reg): Only evict for global regs.
3182 Take n_refs into account and dump more info.
3184 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
3187 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
3188 (pragma_trap, pragma_nosave_low_regs): Likewise.
3189 (current_function_anonymous_args): Likewise.
3190 (sh_deferred_function_attributes): New variable.
3191 (sh_deferred_function_attributes_tail): Likewise.
3192 (print_operand): For '@', look up trap_exit attribute.
3193 (calc_live_regs): Look up trapa_handler attribute. For trapa
3194 handlers, save/restore fpscr, but don't do any other
3195 interrupt-specific saves.
3196 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
3197 Fix check for partially saved registers to check for SHmedia.
3198 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
3199 (sh_output_function_epilogue): Don't clear any of the removed
3201 (sh_insert_attributes): Don't check pragma_interrupt.
3202 Insert deferred attributes. Check that interrupt attribute is
3203 present for other attributes that require its presence.
3204 (sh_attribute_table): Add new attributes trapa_handler and
3206 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
3207 Don't check for pragma_interrupt. Don't store argument.
3208 * sh.h (pragma_interrupt, sp_switch): Don't declare.
3209 (sh_deferred_function_attributes): Declare.
3210 (sh_deferred_function_attributes_tail): Likewise.
3211 * sh.md (sp_switch_1): Add operand. Change generator caller.
3212 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
3213 (*return_i): Don't use when trap_exit attribute is in effect.
3214 (*return_trapa): New insn pattern.
3216 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
3217 setting c_target_objs and cxx_target_objs.
3218 * t-sh: Add rule for sh-c.o.
3220 2006-01-30 Richard Guenther <rguenther@suse.de>
3223 * gimplify.c (gimplify_target_expr): Handle easy cases
3224 without creating a temporary.
3226 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
3228 * vec.h (safe_grow): Remove duplicated line.
3230 2006-01-29 Diego Novillo <dnovillo@redhat.com>
3233 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
3234 (expand_omp): ... here.
3235 (expand_omp_parallel): Only remove barriers for combined
3236 parallel+workshare constructs.
3238 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
3242 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3243 * tree.c (build_qualified_type): Chain the new type to the original
3244 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3245 a POINTER_TYPE or a REFERENCE_TYPE respectively.
3246 (build_pointer_type_for_mode): Only return unqualified types.
3247 (build_reference_type_for_mode): Likewise.
3249 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
3251 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
3252 * Makefile.in (CXX_COMPAT_WARN): Define.
3253 * configure: Regenerate.
3255 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
3258 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
3261 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3263 * toplev.c: Fix thinko.
3265 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3266 Marcin Dalecki <martin@dalecki.de>
3268 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
3269 (push_srcloc): Use XNEW.
3270 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
3272 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3274 * df-core.c (df_set_blocks): Deleted all variable.
3276 2006-01-28 Ian Lance Taylor <ian@airs.com>
3278 * cgraphunit.c (cgraph_assemble_pending_functions): Call
3279 cgraph_output_pending_asms.
3281 2006-01-28 Zack Weinberg <zackw@panix.com>
3283 * c.opt: Add -W(no-)overlength-strings.
3284 * doc/invoke.texi: Document it.
3285 * c-opts.c (c_common_handle_option): -pedantic implies
3286 -Woverlength-strings, if not explicitly disabled already.
3287 (c_common_post_options): -Woverlength-strings defaults to off, and
3288 is always off for C++.
3289 * c-common.c (fix_string_type): Issue warning about strings longer
3290 than is portable only if warn_overlength_strings. Rearrange code
3291 a little for clarity.
3292 * configure.in: Check for -Wno-overlength-strings as well before
3293 enabling -pedantic in stage 1.
3294 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
3295 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
3297 * genconditions.c (write_header, write_one_condition)
3298 (write_conditions, write_writer): Consolidate very long strings
3299 that were broken up to fit in C89 portable limit. Don't use
3300 printf when fputs will do.
3302 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
3304 * combine.c (simplify_comparison <AND>): Check
3305 TRULY_NOOP_TRUNCATION before start using a subreg.
3307 * config/mips/mips.md (*branch_zero<mode>,
3308 *branch_zero<mode>_inverted, *branch_equality<mode>,
3309 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
3310 Remove mode check from comparisons.
3312 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
3314 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
3316 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3318 * expmed.c (const_mult_add_overflow_p): Remove.
3319 * expr.h: Remove the prototype for const_mult_add_overflow_p.
3321 * recog.c (validate_replace_rtx_subexp): Remove.
3322 * recog.h: Remove the prototype for
3323 validate_replace_rtx_subexp.
3325 * integrate.h: Remove the prototype for
3326 copy_decl_for_inlining.
3327 * rtl.h: Remove the prototype for mark_constant_function.
3328 * tree-vectorizer.h: Remove the prototype for
3329 vect_strip_conversion.
3331 * modulo-sched.c (create_partial_schedule,
3332 free_partial_schedule, reset_partial_schedule): Make them
3335 * hooks.c (hook_bool_rtx_int_false): Remove.
3336 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
3338 2006-01-28 David Edelsohn <edelsohn@gnu.org>
3340 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3341 and -mlong-double-128 are incompatible.
3342 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
3343 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
3344 (TARGET_LIBGCC2_CFLAGS): Define.
3345 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
3346 (TARGET_LIBGCC2_CFLAGS): Same.
3347 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
3349 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3352 * c-typeck.c (build_binary_op): Perform implicit casts of
3353 operands before shortening them.
3355 * cfgloopmanip.c (split_loop_bb): Remove.
3356 * cfgloop.h: Remove the prototype for split_loop_bb.
3358 * cfgloop.c (flow_loop_outside_edge_p): Remove.
3359 * cfgloop.h: Remove the prototype for
3360 flow_loop_outside_edge_p.
3362 * emit-rtl.c (init_virtual_regs): Make it static.
3363 * function.h: Remove the prototype for init_virtual_regs.
3365 * recog.c (peephole2_optimize): Make it static.
3366 * recog.h: Remove the prototype for peephole2_optimize.
3368 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3370 * df-scan.c (df_record_entry_block_defs): Check if
3371 INCOMING_RETURN_ADDR_RTX is defined.
3373 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
3374 Kenneth Zadeck <zadeck@naturalbridge.com>
3376 PR rtl-optimization/24762
3377 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3378 * targhooks.c (hook_void_bitmap): New hook prototype.
3379 * targhoohs.h (hook_void_bitmap): Ditto.
3380 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
3381 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
3382 * target.h (live_on_entry): New function pointer.
3383 * df-scan.c (df_all_hard_regs): Removed.
3384 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
3385 (df_scan_free_internal): Added df->entry_block_defs.
3386 (df_scan_alloc): Ditto.
3387 (df_scan_dump): Ditto.
3388 (df_uses_record): Plumbed flag field properly thru calls.
3389 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
3390 This part fixes PR24762.
3391 (df_bb_refs_record): Added code to make the frame and arg
3392 pointers live in EH blocks.
3393 (df_refs_record): Added call to df_record_entry_block_defs.
3394 (df_record_entry_block_defs): New function.
3395 * df-core.c: Added comments to describe new artifical defs.
3396 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
3397 (entry_block_defs): New field in struct df.
3398 (df_all_hard_regs): Deleted.
3399 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3400 * df-problems.c (df_ru_bb_local_compute_process_def):
3401 Added code to handle artifical defs in the entry to a function.
3402 (df_ru_bb_local_compute): Ditto.
3403 (df_rd_bb_local_compute_process_def): Ditto.
3404 (df_rd_bb_local_compute): Ditto.
3405 (df_lr_bb_local_compute): Ditto.
3406 (df_ur_bb_local_compute): Ditto.
3407 (df_urec_bb_local_compute): Ditto.
3408 (df_chain_create_bb): Ditto.
3409 (df_ur_local_finalize): Removed entry.
3410 (df_urec_init): Ditto.
3411 (df_urec_local_finalize): Ditto.
3412 (df_ri_bb_compute): Added detection of last use of pseudos.
3413 * Makefile.in (df-scan.o): Updated dependencies.
3414 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
3415 * config/mips/mips.c (mips_set_live_on_entry): Added.
3416 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
3418 * dce.c (marked_insn_p): Added code to handle artifical defs.
3420 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3422 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
3424 (_mm_cvtsi128_si64): Likewise.
3425 (_mm_cvtsd_si64): Likewise.
3426 (_mm_cvttsd_si64): Likewise.
3427 (_mm_cvtsi64_sd): Likewise.
3428 (_mm_cvtsi64_si128): Likewise.
3429 * config/i386/mmintrin.h (_m_from_int64): Likewise.
3430 (_mm_cvtsi64_m64): Likewise.
3431 (_m_to_int64): Likewise.
3432 (_mm_cvtm64_si64): Likewise.
3433 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
3434 (_mm_cvttss_si64): Likewise.
3435 (_mm_cvtsi64_ss): Likewise.
3436 (_mm_cvtss_f32): Likewise.
3438 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
3440 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
3441 for pragma redefine_extname.
3443 2006-01-27 Jakub Jelinek <jakub@redhat.com>
3446 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
3447 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
3448 -mno-minimal-toc to previous content.
3449 (bispecs): Remove goal.
3450 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
3451 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
3452 compatibility aliases on powerpc-*-*gnu*.
3453 * config/rs6000/libgcc-ppc-glibc.ver: New file.
3454 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
3455 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
3456 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
3457 (ldblspecs): New goal.
3458 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
3459 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
3461 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
3462 L_sf_to_tf or L_df_to_tf is defined.
3464 2006-01-27 David Edelsohn <edelsohn@gnu.org>
3465 Alan Modra <amodra@bigpond.net.au>
3468 * config/rs6000/linux.h (POWERPC_LINUX): Define.
3469 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
3470 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
3471 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
3472 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
3473 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
3474 (rs6000_override_options): Initialize rs6000_ieeequad.
3475 Initialize TFmode format to ibm_extended_format if not
3477 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
3479 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
3480 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
3481 (function_arg_advance): IBM long double passed in two FPRs, not
3483 (function_arg): IBM long double passed in FPRs.
3484 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
3485 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
3486 Only multireg GPR aligned.
3487 (rs6000_init_libfuncs): Enable IBM long double functions if not
3489 (rs6000_generate_compare): Use IBM long double compare if not
3491 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
3492 (TARGET_IEEEQUAD): Define.
3493 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
3494 not TARGET_IEEEQUAD.
3495 * config/rs6000/rs6000.md: Enable TFmode patterns if
3497 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
3498 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3499 and -mlong-double-128 are incompatible.
3500 * doc/invoke.texi (-mabi): Collect options together. Add
3501 ibmlongdouble and ieeelongdouble.
3503 2006-01-27 Richard Sandiford <richard@codesourcery.com>
3505 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
3507 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
3508 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
3509 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
3510 * rtl.h (rtunion_def): Remove rt_ptr.
3512 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
3513 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
3514 * config/i386/winnt.c (i386_pe_mark_dllexport)
3515 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
3517 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
3519 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
3521 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3525 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
3526 pthread_key_delete. From John David Anglin. gthrw-ify
3527 pthread_getunique_np only if it it's not a macro. Delete
3529 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
3530 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
3531 __gthread_objc_condition_signal, __gthread_key_delete): Add
3532 "__attribute__ ((__unused__))" to unused arguments.
3533 (__gthread_recursive_mutex_init_function): Add missing return.
3534 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
3535 gthr-posix95.h: Use macro-based approach for name redirection
3536 on targets missing weakref.
3538 2006-01-26 Zack Weinberg <zackw@panix.com>
3540 * genconditions.c (write_header): In generated code, #ifdef out
3541 all includes and fake declarations, except includes of bconfig.h
3542 and system.h, unless GCC_VERSION >= 3001. Do not include
3543 gensupport.h in any case.
3544 (write_conditions): Generate a definition of struct c_test. Add
3545 a comment to the generated #endif.
3546 (write_one_condition): Escape backslashes in string too.
3547 (write_writer): Generated code must escape backslashes and quote
3548 marks (but not newlines) in the strings it writes.
3549 * Makefile.in (build/gencondmd.o): Update dependencies.
3551 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3554 * Makefile.in (insn-automata.o): Add header file dependencies.
3555 * genautomata.c: Add includes.
3557 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3560 * Makefile.in (insn-automata.o): Add -Wno-error flag.
3562 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3564 * configure.ac: Expect target tools paths to be passed from the toplevel
3565 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
3567 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
3569 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3572 * c.opt (Wpointer-sign): Init to -1.
3573 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
3574 OPT_pedantic, to 0 otherwise.
3575 * doc/invoke.texi: Update.
3577 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3579 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
3580 constants provided by 80387 instructions in the destination mode.
3582 2006-01-26 Richard Guenther <rguenther@suse.de>
3583 Andrew Pinski <pinskia@physics.uc.edu>
3586 partial PR tree-opt/17064
3587 * tree-ssa-structalias.c (intra_create_variable_infos):
3588 Create heap variables for incoming parameters if
3589 flag_argument_noalias > 1.
3590 (find_what_p_points_to): Look through default defs of
3593 2006-01-26 Jeff Law <law@redhat.com>
3596 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
3597 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
3598 within the VR_RANGE, use the VR_RANGE as the result, not the
3600 (adjust_range_with_scev): Reject ranges from SCEV which are out of
3601 bounds for the type.
3603 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
3605 * tree-ssa-alias.c (maybe_create_global_var): Change
3606 subvar walking to an assertion that we don't have subvar'd variables.
3608 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
3611 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
3612 Use a new variable, inner. PARM_DECLs are always non-weak.
3614 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
3616 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
3619 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
3621 * config/mips/mips.md (*clear_upper32): New combiner pattern.
3623 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
3625 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
3626 (smax_insn, smin_insn, smax_0, smin_0): New.
3628 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
3631 * config/cris/cris.c (cris_order_for_addsi3): New function.
3632 * config/cris/cris-protos.h: Prototype it.
3633 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
3634 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
3635 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
3636 (split for "op.S1 [rx=rx+i],ry (swapped)")
3637 (split for "op(s|u).S1 [rx=rx+i],ry")
3638 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
3639 Apply cris_order_for_addsi3 when generating addsi3 insns.
3641 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3643 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
3644 (TREE_BLOCK): Add call to EXPR_CHECK.
3646 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3649 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
3650 * tree-pretty-print.c (dump_omp_clause): Extract from ...
3651 (dump_omp_clauses): ... here.
3652 (dump_generic_node): Handle OMP_CLAUSE.
3653 * tree.c (omp_clause_num_ops): New.
3654 (omp_clause_code_name): New.
3655 (tree_code_size): Handle OMP_CLAUSE.
3656 (tree_size): Likewise.
3657 (make_node): Document handling of OMP_CLAUSE.
3658 (tree_node_structure): Handle OMP_CLAUSE.
3659 (omp_clause_check_failed): New.
3660 (omp_clause_range_check_failed): New.
3661 (omp_clause_operand_check_failed): New.
3662 (build_omp_clause): New.
3663 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
3664 * tree.h (enum omp_clause_code): Declare.
3665 (OMP_CLAUSE_SUBCODE_CHECK): Define.
3666 (OMP_CLAUSE_RANGE_CHECK): Define.
3667 (OMP_CLAUSE_ELT_CHECK): Define.
3668 (omp_clause_check_failed): Declare.
3669 (omp_clause_operand_check_failed): Declare.
3670 (omp_clause_range_check_failed): Declare.
3671 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
3672 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
3673 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
3674 (OMP_CLAUSE_LASTPRIVATE): Likewise.
3675 (OMP_CLAUSE_IF_EXPR): Likewise.
3676 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
3677 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
3678 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
3679 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
3680 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
3681 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
3682 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
3683 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
3684 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
3685 (OMP_CLAUSE_CODE): Define.
3686 (OMP_CLAUSE_SET_CODE): Define.
3687 (OMP_CLAUSE_CODE): Define.
3688 (OMP_CLAUSE_OPERAND): Define.
3689 (struct tree_omp_clause): Declare.
3690 (union tree_node): Add field 'omp_clause'.
3691 * treestruct.def (TS_OMP_CLAUSE): Define.
3692 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
3693 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
3694 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
3695 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
3696 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
3697 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
3698 (OMP_CLAUSE): Define.
3699 * print-tree.c (print_node): Handle OMP_CLAUSE.
3700 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
3701 * c-typeck.c: Likewise.
3702 * gimplify.c: Likewise.
3703 * c-omp.c: Likewise.
3704 * tree-nested.c: Likewise.
3705 * tree-inline.c: Likewise.
3706 * c-parser.c: Likewise.
3707 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
3710 2006-01-25 Roger Sayle <roger@eyesopen.com>
3712 PR rtl-optimization/25703
3713 * combine.c (try_combine): Handle zero_extract and strict_low_part
3714 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
3716 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
3718 * global.c: Fix comment typos.
3720 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
3723 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
3724 Use output_addr_const instead of assemble_name.
3726 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
3728 * Makefile.in (sched-vis.o): Update dependencies.
3729 * haifa-sched.c (sched_finish): Clear current_sched_info.
3730 * cfg.c (dump_bb_info): New, split from dump_flow_info.
3731 (dump_flow_info): Call it.
3732 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
3734 * basic-block.h (dump_bb_info): Declare.
3735 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
3736 option, and apply options only for dump files whose TDF_RTL,
3737 TDF_TREE, or TDF_IPA bits match.
3738 * rtl.h: Declare new functions exported from sched-vis.c.
3739 * sched-vis.c: Enable also if scheduling is not used.
3740 (print_value): Print the mode of registers if not inside scheduling.
3741 (print_insn): Make it work outside the scheduler. Beautify the output
3743 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
3745 2006-01-25 Richard Sandiford <richard@codesourcery.com>
3747 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
3748 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
3749 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
3750 depending on the value of CONSTANT_POOL_ADDRESS_P.
3751 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
3753 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
3754 rather than SYMBOL_REF_DECL.
3755 (rtx_constant_pool): Remove const_rtx_sym_htab.
3756 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
3757 (init_varasm_status): Don't initialize const_rtx_sym_htab.
3758 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
3759 Remove handling of const_rtx_sym_htab.
3760 (find_pool_constant): Delete.
3761 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
3762 rather than find_pool_constant.
3763 (get_pool_constant_for_function): Delete.
3764 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
3766 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
3767 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
3768 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
3769 (SYMBOL_REF_CONSTANT): New macro.
3770 (get_pool_constant_for_function): Delete.
3771 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
3772 rather than SYMBOL_REF_DECL.
3773 (i386_pe_mark_dllimport): Likewise.
3774 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
3775 rather than SYMBOL_REF_DECL.
3776 * config/darwin.c (machopic_indirect_data_reference): Likewise.
3777 (machopic_indirect_call_target): Likewise.
3779 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
3781 * flow.c (delete_noop_moves): Add missing EOL to dump message.
3783 2006-01-25 Richard Sandiford <richard@codesourcery.com>
3785 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
3787 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
3789 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
3791 2006-01-24 David Daney <ddaney@avtrex.com>
3794 * configure.ac (enable_tls): New enable option.
3795 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
3796 * configure: Regenerate.
3797 * doc/install.texi (--enable-tls): Document new option.
3798 (--disable-tls): Ditto.
3800 2006-01-24 Richard Henderson <rth@redehat.com>
3802 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
3803 * alias.c (true_dependence): Respect it.
3804 (canon_true_dependence, write_dependence_p): Likewise.
3805 * builtins.c (get_builtin_sync_mem): Set it.
3807 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
3809 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
3812 2006-01-24 DJ Delorie <dj@redhat.com>
3814 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
3815 for storing constants in single-bit bitfields.
3817 2006-01-25 Ben Elliston <bje@au.ibm.com>
3819 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
3821 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
3824 * tree-ssa-pre.c (phi_translate): Return NULL
3825 for AGGREGATE_TYPE's.
3827 2006-01-24 Zack Weinberg <zackw@panix.com>
3829 * genautomata.c (process_state_for_insn_equiv_partition):
3830 Use xcalloc for insn_arcs_array.
3831 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
3832 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
3834 2006-01-24 Richard Henderson <rth@redhat.com>
3836 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
3839 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
3841 PR rtl-optimization/25890
3842 PR rtl-optimization/25905
3843 * combine.c (expand_compound_operation, expand_field_assignment):
3844 Fail if the bitfield's final position is out of bounds.
3846 2006-01-24 Ian Lance Taylor <ian@airs.com>
3849 * cgraphunit.c (cgraph_output_in_order): Don't clear
3850 cgraph_asm_nodes until after asm strings have been output.
3852 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
3854 * fix-header.c (read_scan_file): Add new parameter imultilib when
3855 calling register_include_chains.
3857 2006-01-23 Diego Novillo <dnovillo@redhat.com>
3859 * omp-low.c: Update documentation.
3861 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
3862 Daniel Berlin <dberlin@dberlin.org>
3866 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
3867 return from the function.
3869 2006-01-22 Zack Weinberg <zackw@panix.com>
3871 * rtl.def (match_code): Add second argument.
3872 * genpreds.c (write_extract_subexp): New function.
3873 (write_match_code): Add path argument. Use write_extract_subexp.
3874 (write_predicate_expr): Pass path to write_match_code.
3875 (mark_mode_tests): MATCH_CODE applied to a subexpression does
3876 not perform a mode test.
3877 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
3878 a subexpression does not constrain the top-level code set.
3879 * read-rtl.c (read_rtx_variadic): New function.
3880 (read_rtx_1): Use it; allow AND and IOR to be variadic.
3881 * doc/md.texi: Document new notation.
3882 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
3883 (cmpsi_operand): ... here, using new notation.
3885 2006-01-22 Zack Weinberg <zackw@panix.com>
3887 * varray.c: Remove GENERATOR_FILE #ifdefs.
3889 2006-01-22 Zack Weinberg <zackw@panix.com>
3891 * genautomata.c (output_reserved_units_table): Emit nothing if
3892 description->query_units_num is zero. Remove extra blank line.
3893 (output_cpu_unit_reservation_p): Short circuit
3894 if description->query_units_num is zero.
3896 2006-01-22 Zack Weinberg <zackw@panix.com>
3898 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
3899 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
3900 nor any of the random handful of variables that used to be necessary
3901 when this program was linked with rtlanal.o. Prune set of forward
3902 function declarations.
3903 (struct attr_desc): Remove static_p field.
3904 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
3905 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
3906 (attr_string): Do not read the character one past the length of
3908 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
3909 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
3910 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
3911 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
3912 (make_automaton_attrs): New.
3913 (main): Do not call into genautomata. Call local gen_bypass
3914 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
3915 Remove special case for insn_alts.
3916 * genautomata.c: Include gensupport.h; not genattrtab.h nor
3917 varray.h (leftover from previous change). Prune set of forward
3918 function declarations. Remove state_alts fields from all
3919 structures. Remove state_alts_table from struct automaton.
3920 Make everything except main static. Do not maintain num_dfa_decls.
3921 Do not maintain state_alts fields of various structures.
3922 (process_decls): Don't validate condexp for dm_insn_reserv decls.
3923 (add_arc): Remove state_alts argument. All callers updated.
3924 (output_reserved_units_table): Emit #ifdef here...
3925 (output_tables): ...not here. Don't generate state_alts tables.
3926 (expand_automata): Don't generate attributes.
3927 (write_automata): Don't generate state_alts functions.
3928 (main): New function.
3929 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
3930 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
3931 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
3932 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
3933 (BYPASS_P_FUNC_NAME, output_state_alts_table)
3934 (output_automata_list_state_alts_code, output_internal_state_alts_func)
3935 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
3936 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
3938 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
3939 * genattrtab.h: Delete file.
3940 * Makefile.in (OBJS-common): Add insn-automata.o.
3941 (insn-automata.o): New rule.
3942 (simple_generated_c): Add insn-automata.c.
3943 (build/genattrtab.o, build/genautomata.o): Update dependencies.
3944 (genprogmd): Add automata.
3945 (build/genattrtab): Needs no extra objects nor libraries.
3946 (build/genautomata): Needs build/vec.o and -lm.
3948 2006-01-22 Zack Weinberg <zackw@panix.com>
3950 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
3951 (output_dfa_max_issue_rate, locked_states_num): Delete.
3952 (struct automaton): Add locked_states field.
3953 (output_dead_lock_vect): Save number of locked states in
3954 automaton->locked_states. If it is zero, don't print anything.
3955 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
3956 (output_internal_dead_lock_func): Only test the dead_lock_vect
3957 for automata that have locked states.
3958 (output_statistics): Always print the number of locked states for
3959 each automaton. Calculate total number of locked states here.
3960 (write_automata): Don't call output_dfa_max_issue_rate.
3961 * genattrtab.c: Define length_unit_log as a const variable.
3962 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
3963 max_insn_queue_index const.
3964 * final.c (length_unit_log): Declare const.
3965 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
3967 2006-01-22 Zack Weinberg <zackw@panix.com>
3969 * genautomata.c: Include vec.h, not varray.h.
3970 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
3971 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
3972 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
3973 VEC_* macros operating on appropriately typed vectors, or to
3974 malloced arrays when the size is known in advance. Const-ify
3975 many char* variables and function arguments. No functional changes.
3976 * Makefile.in (build/varray.o): Delete rule.
3977 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
3978 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
3980 2006-01-22 Zack Weinberg <zackw@panix.com>
3982 * gensupport.c: Define get_insn_name and record_insn_name here.
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