1 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
4 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
5 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
7 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8 loop-invariant.c, omp-low.c, opts.c, passes.c,
9 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
11 tree-ssa-structalias.c, tree-ssa-threadedge.c,
12 tree-ssa-threadupdate.c, tree-vect-patterns.c,
13 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
14 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
16 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
18 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
19 * dwarf2out.h: Remove the prototype for
20 dwarf2out_add_library_unit_info.
22 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
24 * tree.c (add_var_to_bind_expr): Remove.
25 * tree.h: Remove the prototype for add_var_to_bind_expr.
27 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
29 * regclass.c (n_non_fixed_regs): Remove.
30 (init_reg_sets_1, globalize_reg): Remove all uses of
32 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
34 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
36 * rtlanal.c (insns_safe_to_move_p): Remove.
37 * rtl.h: Remove the prototype for insns_safe_to_move_p.
39 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
41 * expmed.c (expand_mult_add): Remove.
42 * expr.h: Remove the prototype for expand_mult_add.
44 2006-03-04 Jakub Jelinek <jakub@redhat.com>
46 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
47 and REG_SAVED_VAL_EXP constants.
48 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
49 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
50 Handle regs stored by value.
51 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
52 (execute_cfa_program): Handle DW_CFA_val_offset,
53 DW_CFA_val_offset_sf and DW_CFA_val_expression.
54 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
55 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
56 (uw_install_context_1): Handle target regs stored by value.
58 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
60 * tree-sra.c (tree_sra): Return todoflags;
61 (generate_one_element): Set TODO_update_smt_usage if needed.
62 (pass_sra): Remove TODO_update_smt_usage.
63 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
65 (tree_ssa_forward_propagate_single_use_vars): Return
66 TODO_update_smt_usage if we need to update SMT usage.
67 (pass_forwprop): Remove TODO_update_smt_usage.
69 2006-03-03 Diego Novillo <dnovillo@redhat.com>
71 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
72 (correct_use_link): Remove reference to get_stmt_operands.
73 (update_stmt_operands): Likewise.
74 (get_modify_expr_operands): New function factored out of
75 parse_ssa_operands and get_expr_operands.
76 Try to create V_MUST_DEFs for LHS by default.
77 (get_expr_operands) <case MODIFY_EXPR>: Call
78 get_modify_expr_operands.
79 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
80 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
81 (parse_ssa_operands) <case MODIFY_EXPR>: Call
82 get_modify_expr_operands.
84 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
86 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
87 * tree-flow.h: Remove the prototype for
88 referenced_var_lookup_if_exists.
90 2006-03-03 Steve Ellcey <sje@cup.hp.com>
92 PR rtl-optimization/26345
94 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
96 2006-03-03 Roger Sayle <roger@eyesopen.com>
98 PR tree-optimization/26524
99 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
100 fold_convert to create a constant of the appropriate type.
102 2006-03-03 Richard Sandiford <richard@codesourcery.com>
104 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
105 SYMBOL_REF_IN_BLOCK_P.
106 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
107 of SYMBOL_FLAG_IN_BLOCK.
108 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
109 instead of SYMBOL_REF_IN_BLOCK_P.
110 * explow.c (use_anchored_address): Likewise.
111 * rtl.c (rtx_size): Likewise.
112 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
113 instead of SYMBOL_FLAG_IN_BLOCK.
114 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
115 SYMBOL_REF_IN_BLOCK_P.
116 (assemble_variable): Likewise.
117 (output_constant_def_contents): Likewise.
118 (output_constant_pool): Likewise.
119 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
120 instead of SYMBOL_FLAG_IN_BLOCK.
121 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
122 SYMBOL_REF_IN_BLOCK_P.
123 (SYMBOL_REF_BLOCK): Likewise.
124 (SYMBOL_REF_OFFSET): Likewise.
125 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
126 SYMBOL_REF_IN_BLOCK_P.
127 (SYMBOL_FLAG_IN_BLOCK): Replace with...
128 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
129 (SYMBOL_REF_IN_BLOCK_P): Replace with...
130 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
132 2006-03-03 Jakub Jelinek <jakub@redhat.com>
134 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
136 2006-03-02 Roger Sayle <roger@eyesopen.com>
138 * simplify-rtx.c (simplify_unary_operation): When simplifying
139 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
140 that we perform the right shift in the appropriate mode, and
141 then extend or truncate the result to requested mode.
143 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
145 * gengtype.c (main): Handle double_int type.
146 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
147 * double-int.c: New file.
148 * double-int.h: New file.
149 * system.h: Include doubleint.h.
150 * Makefile.in (SYSTEM_H): Include double-int.h.
153 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
156 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
159 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
161 * tree-vrp.c (remove_range_assertions): Do not update statements
164 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
166 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
168 * gcse.c (rest_of_handle_gcse): Ditto.
169 * except.c (gate_handle_eh): Ditto.
170 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
171 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
173 2006-03-02 Eric Christopher <echristo@apple.com>
175 * config/i386/i386.c (machopic_output_stub): Add indirection to
178 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
182 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
184 Sun Niagara specific optimizations.
185 * config.gcc: Recognize niagara as target.
186 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
187 (TARGET_CPU_niagara): Define.
188 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
189 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
190 (CPP_CPU_SPEC): Handle -mcpu=niagara.
191 (ASM_CPU_SPEC): Likewise.
192 (PROCESSOR_NIAGARA): New enum entry.
193 (REGISTER_MOVE_COST): Handle Niagara.
194 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
195 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
196 (sparc_override_options): Recognize "niagara", set appropriate
197 default MASK_* values for it, and align functions to 32-bytes
198 by default just like ULTRASPARC/ULTRASPARC3.
199 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
200 (sparc64_initialize_trampoline): Likewise.
201 (sparc_use_sched_lookahead): Use zero for niagara.
202 (sparc_issue_rate): Use one for niagara.
203 * config/sparc/niagara.md: New file.
204 * config/sparc/sparc.md: Include it.
205 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
206 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
207 when default cpu is niagara.
208 (CPP_CPU_SPEC): Handle -mcpu=niagara.
209 (ASM_CPU_SPEC): Likewise.
210 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
211 when default cpu is niagara.
212 (ASM_CPU_SPEC): Handle -mcpu=niagara.
213 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
214 just like v9/ultrasparc/ultrasparc3.
215 * doc/invoke.texi: Add documentation for "niagara" and improve
216 existing documentation for ultrasparc variants.
218 2006-03-02 Diego Novillo <dnovillo@redhat.com>
220 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
222 2006-03-02 Richard Sandiford <richard@codesourcery.com>
224 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
225 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
226 and say that only one is needed.
227 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
228 * target.h (have_switchable_bss_sections): New hook.
229 * explow.c (use_anchored_address): Check that the symbol is in a block.
230 * varasm.c (tls_comm_section, comm_section, lcomm_section)
231 (bss_noswitch_section): New variables.
232 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
233 (get_noswitch_section): New function.
234 (get_block_for_section): Allow SECT to be null.
235 (unlikely_text_section_p): Use SECTION_STYLE.
236 (bss_initializer_p): New function.
237 (get_variable_section): Move earlier in file. Take a new argument,
238 prefer_noswitch_p. Move bss checks from assemble_variable to here.
239 Return one of the new *_sections in such cases.
240 (get_block_for_decl): New function, extracting some logic from
241 use_blocks_for_decl_p.
242 (change_symbol_section): Remove in favor of...
243 (change_symbol_block): ...this new function.
244 (use_blocks_for_decl_p): Remove checks now performed by
246 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
247 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
248 (emit_local, emit_bss, emit_common): ...these new functions.
249 Return true if the alignment was honored.
250 (emit_tls_common): New function.
251 (asm_emit_uninitialised): Delete.
252 (assemble_variable_noswitch): New function, split out from...
253 (assemble_variable): ...here. Don't make decisions about common
254 variables here. Globalize all public decls that go into non-common
255 sections. Check whether SYMBOL_REF_BLOCK is null.
256 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
257 (output_constant_pool): Likewise.
258 (init_varasm_once): Initialize the new section variables.
259 (have_global_bss_p): New function.
260 (categorize_decl_for_section): Use bss_initializer_p.
261 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
262 (place_block_symbol): Assert that the symbol must be in a block.
263 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
264 (TARGET_INITIALIZER): Include it.
265 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
266 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
267 (SECTION_MACH_DEP): Bump by two.
268 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
269 (unnamed_section): Mention SECTION_UNNAMED in comment.
270 (named_section): Likewise SECTION_NAMED.
271 (noswitch_section_callback): New type.
272 (noswitch_section): New structure.
273 (section): Add a noswitch_section alternative.
274 (SECTION_STYLE): New macro.
275 (tls_comm_section, comm_section, lcomm_section): Declare.
276 (bss_noswitch_section, have_global_bss_p): Declare.
277 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
278 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
280 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
281 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
284 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
286 * gcc/tree-vrp.c (execute_vrp): Return value.
287 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
288 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
289 * gcc/tree-complex.c (tree_lower_complex): Ditto.
290 (tree_lower_complex_O0): Ditto.
291 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
292 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
293 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
294 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
295 (execute_tail_calls): Ditto.
296 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
297 * gcc/tree.h (init_function_for_compilation): Ditto.
298 * gcc/ipa-cp.c (ipcp_driver): Ditto.
299 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
300 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
301 * gcc/final.c (compute_alignments): Ditto.
302 (rest_of_handle_final): Ditto.
303 (rest_of_handle_shorten_branches): Ditto.
304 (rest_of_clean_state): Ditto.
305 * gcc/omp-low.c (execute_expand_omp): Ditto.
306 (execute_lower_omp): Ditto.
307 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
308 * gcc/ipa-reference.c (static_execute): Ditto.
309 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
310 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
311 (rest_of_handle_machine_reorg): Ditto.
312 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
313 * gcc/flow.c (recompute_reg_usage): Ditto.
314 (rest_of_handle_remove_death_notes): Ditto.
315 (rest_of_handle_life): Ditto.
316 (rest_of_handle_flow2): Ditto.
317 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
318 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
319 (do_ssa_store_ccp): Ditto.
320 (execute_fold_all_builtins): Ditto.
321 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
322 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
323 * gcc/ipa-pure-const.c (static_execute): Ditto.
324 * gcc/cse.c (rest_of_handle_cse): Ditto.
325 (rest_of_handle_cse2): Ditto.
326 * gcc/web.c (rest_of_handle_web): Ditto.
327 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
328 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
329 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
330 * gcc/tree-nrv.c (tree_nrv): Ditto.
331 (execute_return_slot_opt): Ditto.
332 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
333 (create_structure_vars): Ditto.
334 * gcc/loop-init.c (rtl_loop_init): Ditto.
335 (rtl_loop_done): Ditto.
336 (rtl_move_loop_invariants): Ditto.
337 (rtl_unswitch): Ditto.
338 (rtl_unroll_and_peel_loops): Ditto.
340 * gcc/gimple-low.c (lower_function_body): Ditto.
341 (mark_used_blocks): Ditto.
342 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
343 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
344 (cgraph_early_inlining): Ditto.
345 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
346 * gcc/jump.c (cleanup_barriers): Ditto.
347 (purge_line_number_notes): Ditto.
348 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
349 (rest_of_handle_if_after_reload): Ditto.
350 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
351 (tree_ssa_loop_im): Ditto.
352 (tree_ssa_loop_unswitch): Ditto.
353 (tree_vectorize): Ditto.
354 (tree_linear_transform): Ditto.
355 (tree_ssa_loop_ivcanon): Ditto.
356 (tree_ssa_empty_loop): Ditto.
357 (tree_ssa_loop_bounds): Ditto.
358 (tree_complete_unroll): Ditto.
359 (tree_ssa_loop_prefetch): Ditto.
360 (tree_ssa_loop_ivopts): Ditto.
361 (tree_ssa_loop_done): Ditto.
362 * gcc/predict.c (tree_estimate_probability): Ditto.
363 * gcc/recog.c (split_all_insns_noflow): Ditto.
364 (rest_of_handle_peephole2): Ditto.
365 (rest_of_handle_split_all_insns): Ditto.
366 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
367 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
368 (rest_of_handle_stack_adjustments): Ditto.
369 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
370 * gcc/function.c (instantiate_virtual_regs): Ditto.
371 (init_function_for_compilation): Ditto.
372 (rest_of_handle_check_leaf_regs): Ditto.
373 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
374 (rest_of_handle_gcse): Ditto.
375 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
376 * gcc/alias.c (rest_of_handle_cfg): Ditto.
377 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
378 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
379 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
380 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
381 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
382 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
383 * gcc/except.c (set_nothrow_function_flags): Ditto.
384 (convert_to_eh_region_ranges): Ditto.
385 (rest_of_handle_eh): Ditto.
386 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
387 (remove_unnecessary_notes): Ditto.
388 * gcc/except.h (set_nothrow_function_flags): Ditto.
389 (convert_to_eh_region_ranges): Ditto.
390 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
391 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
392 * gcc/tree-ssa-pre.c (do_pre): Ditto.
393 (execute_fre): Ditto.
394 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
395 (rest_of_handle_jump2): Ditto.
396 * gcc/tree-sra.c (tree_sra): Ditto.
397 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
398 (execute_mudflap_function_decls): Ditto.
399 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
400 (do_store_copy_prop): Ditto.
401 * gcc/ipa-prop.h (ipcp_driver): Ditto.
402 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
403 * gcc/tree-ssa-forwprop.c
404 (tree_ssa_forward_propagate_single_use_vars): Ditto.
405 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
406 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
407 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
408 (execute_late_warn_uninitialized): Ditto.
409 * gcc/rtl.h (cleanup_barriers): Ditto.
410 (split_all_insns_noflow): Ditto.
411 (purge_line_number_notes): Ditto.
412 (unshare_all_rtl): Ditto.
413 (remove_unnecessary_notes): Ditto.
414 (recompute_reg_usage): Ditto.
415 (variable_tracking_main): Ditto.
416 * gcc/integrate.c (emit_initial_value_sets): Ditto.
417 * gcc/integrate.h (emit_initial_value_sets): Ditto.
418 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
419 (execute_free_cfg_annotations): Ditto.
420 (execute_fixup_cfg): Ditto.
421 (execute_cleanup_cfg_pre_ipa): Ditto.
422 (execute_cleanup_cfg_post_optimizing): Ditto.
423 (execute_init_datastructures): Ditto.
424 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
425 * gcc/combine.c (rest_of_handle_combine): Ditto.
426 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
427 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
428 (rest_of_handle_reorder_blocks): Ditto.
429 (rest_of_handle_partition_blocks): Ditto.
430 * gcc/var-tracking.c (variable_tracking_main): Ditto.
431 * gcc/tree-profile.c (tree_profiling): Ditto.
432 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
433 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
434 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
435 (rest_of_handle_sched2): Ditto.
436 * gcc/basic-block.h (free_bb_insn): Ditto.
437 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
438 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
439 (remove_useless_stmts): Ditto.
440 (split_critical_edges): Ditto.
441 (execute_warn_function_return): Ditto.
442 (execute_warn_function_noreturn): Ditto.
443 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
444 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
445 * gcc/passes.c (execute_one_pass): Run additional
446 todos returned by execute function.
447 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
450 2006-03-02 Richard Guenther <rguenther@suse.de>
452 * tree-ssa-alias.c (find_used_portions): Consider taking
453 the address as making the variable not write-only.
455 2006-03-02 Nick Clifton <nickc@redhat.com>
457 * config.gcc (default_use_cxa_atexit): Extend the description of
458 this configure variable. Set its default value to "yes" for
459 Linux, NetBSD and ELF targets on the assumption that they will
460 use C libraries with the __cxa_atexit function.
462 2006-03-02 Ben Elliston <bje@au.ibm.com>
464 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
465 parameter as unused to suppress a build warning.
467 2006-03-02 Ben Elliston <bje@au.ibm.com>
469 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
472 2006-03-01 Roger Sayle <roger@eyesopen.com>
475 * gthr-posix.h (__gthrw2): Define to take three parameters, the
476 declared name, the weak reference name, and the typeof name.
477 (__gthrw): Avoid expanding the declared name suffix.
478 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
480 2006-03-01 Jakub Jelinek <jakub@redhat.com>
482 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
484 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
485 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
486 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
487 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
488 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
489 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
490 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
491 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
492 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
493 DW_DS_leading_separate, DW_DS_trailing_separate): New.
494 (DW_END_default, DW_END_big, DW_END_little): New.
495 (DW_END_lo_user, DW_END_hi_user): Define.
496 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
497 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
498 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
501 2006-03-01 Diego Novillo <dnovillo@redhat.com>
503 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
505 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
507 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
509 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
511 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
514 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
517 2006-03-01 Roger Sayle <roger@eyesopen.com>
519 * builtins.c (fold_builtin_copysign): Delete unreachable code.
521 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
524 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
525 MACHO_DYNAMIC_NO_PIC_P.
526 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
528 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
531 * config/darwin-protos.h (darwin_asm_output_anchor):
533 * config/darwin-sections.def (cstring_section):
534 Add SECTION_MERGE to the flags.
535 (literal4_section): Likewise.
536 (literal8_section): Likewise.
537 (objc_selector_refs_section): Likewise.
538 (objc_cls_refs_section): Likewise.
539 * config/darwin.c (darwin_asm_output_anchor): New
541 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
543 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
545 Fix PR tree-optimization/26443
546 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
547 to todo and PROP_tmt_usage to properties_destroyed.
548 * tree-ssa-ccp.c (pass_ccp): Ditto.
549 (pass_store_ccp): Ditto.
550 * tree-ssa-dom.c (pass_dominator): Ditto.
552 2006-03-01 Diego Novillo <dnovillo@redhat.com>
554 * tree-ssa-operands.c: Cleanup whitespace.
555 (get_asm_expr_operands): Move before first invocation.
556 (get_indirect_ref_operands): Likewise.
557 (get_tmr_operands): Likewise.
558 (get_call_expr_operands): Likewise.
559 (append_def): Likewise.
560 (append_use): Likewise.
561 (append_v_may_def): Likewise.
562 (append_v_must_def): Likewise.
563 (add_call_clobber_ops): Likewise.
564 (add_call_read_ops): Likewise.
565 (add_stmt_operand): Likewise.
566 (add_virtual_operand): Likewise.
567 (build_ssa_operands): Likewise.
569 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
574 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
575 with a call expr to ...
576 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
578 2006-03-01 Diego Novillo <dnovillo@redhat.com>
580 * tree-vrp.c (extract_range_from_assert): Remove special
581 handling for types with super-types.
583 2006-03-01 Ben Elliston <bje@au.ibm.com>
585 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
586 and powerpc64-*-linux* configurations.
587 * config/t-dfprules: New file.
589 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
590 Compile dfp-bit.c from the source directory using -DWIDTH and
591 $DFP_CFLAGS to control the compilation of that file, rather than
592 generating width-specific versions in the build directory.
593 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
594 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
596 2006-02-28 Zack Weinberg <zackw@panix.com>
598 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
601 2006-02-28 Eric Christopher <echristo@apple.com>
603 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
604 Set up IN_LIBGCC definition of TARGET_64BIT.
605 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
607 2006-02-28 Roger Sayle <roger@eyesopen.com>
610 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
611 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
612 cases via the construction of "expr != 0".
614 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
616 * alias.c (alias_invariant, alias_invariant_size): Remove.
617 (record_base_value): Remove.
618 (memrefs_conflict_p): Don't look at alias_invariant.
619 (end_alias_analysis): Don't free it.
620 * alias.h (record_base_value): Remove prototype.
622 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
623 Adam Nemet <anemet@caviumnetworks.com>
625 * rtl.h (truncated_to_mode): Declare it.
626 (struct rtl_hooks): Add reg_truncated_to_mode hook.
627 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
628 (RTL_HOOKS_INITIALIZER): Include it.
629 * rtlhooks.c (reg_truncated_to_mode_general): New function.
630 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
631 reg_truncated_to_mode.
632 * rtlanal.c (truncated_to_mode): Define it.
633 * simplify-rtx.c (simplify_unary_operation_1): Use it.
635 2006-02-28 Jeff Law <law@redhat.com>
637 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
638 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
639 the range allowed by TYPE_PRECISION.
641 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
643 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
645 PR tree-optimization/26419
646 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
649 2006-02-27 Zack Weinberg <zackw@panix.com>
651 * doc/md.texi: Fix typo in previous change.
653 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
657 2006-02-27 Zack Weinberg <zackw@panix.com>
659 * rtl.def (define_constraint, define_register_constraint)
660 (define_memory_constraint, define_address_constraint): New MD forms.
661 * gensupport.c (process_rtx): Put define_constraint etc on the
663 * genpreds.c (process_define_predicate): Adjust comment. Validate
664 the name, and call validate_exp to validate the expression.
665 (mark_mode_tests, write_extract_subexp): Can assume correct input.
666 (write_predicate_expr): Likewise. NAME argument no longer necessary;
668 (validate_exp, needs_variable, struct constraint_data)
669 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
670 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
671 (const_dbl_constraints, constraint_max_namelen)
672 (have_register_constraints, have_memory_constraints)
673 (have_address_constraints, have_address_constraints)
674 (have_extra_constraints, have_const_int_constraints)
675 (have_const_dbl_constraints, mangle, add_constraint)
676 (process_define_constraint, process_define_register_constraint)
677 (write_enum_constraint_num, write_lookup_constraint)
678 (write_insn_constraint_len, write_regclass_for_constraint)
679 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
680 (write_insn_extra_memory_constraint)
681 (write_insn_extra_address_constraint)
682 (write_satisfies_constraint_fns): New.
683 (write_tm_preds_h): If we have new-style constraint definitions,
684 prototype the functions generated from them, and define the
685 old constraint interface (still used by generic code) in terms of
687 (write_insn_preds_c): If we have new-style constraint definitions,
688 generate all relevant functions from those definitions.
689 (main): Handle define_constraint etc.
690 * genoutput.c (struct constraint_data, indep_constraints)
691 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
692 (mdep_constraint_len): New data structures and functions, defined
693 #ifdef USE_MD_CONSTRAINTS.
694 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
695 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
696 use new logic to validate operand constraints against constraint
698 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
700 * defaults.h: If none of the old-style constraint macros are
701 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
702 old-style macros; and poison REG_CLASS_FROM_LETTER,
703 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
705 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
706 * doc/md.texi: Document new constraint-definition mechanism and the
707 C interface it provides. Remove references to old mechanism
708 elsewhere in the document.
709 (Machine Constraints): Use pathnames relative to gcc directory,
710 i.e. config/ARCH/FILE. Change i386 section to refer to
711 config/i386/predicates.md; update that section to match docstrings.
712 * doc/tm.texi: Move all documentation of the old constraint-
713 definition macros to their own section, clearly mark as obsolete.
715 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
716 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
718 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
719 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
720 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
722 (splits and peepholes): Use satisfies_constraint_*.
723 * config/i386/i386.c (memory_address_length)
724 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
726 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
728 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
729 scalar operation to be put back into the loop.
731 2006-02-27 Jakub Jelinek <jakub@redhat.com>
734 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
735 (extract_cie_info): Handle S flag in augmentation string.
736 (execute_cfa_program): If context->signal_frame, execute also
737 fs->pc == context->ra instructions.
738 (uw_frame_state_for): If context->signal_frame, don't subtract one
739 from context->ra to find FDE.
740 (uw_update_context_1): Set context->signal_frame to
742 (_Unwind_GetIPInfo): New function.
743 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
744 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
746 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
747 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
748 * unwind-compat.c (_Unwind_GetIPInfo): New function.
749 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
750 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
751 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
752 * config/i386/linux-unwind.h (x86_fallback_frame_state,
753 x86_64_fallback_frame_state): Set fs->signal_frame.
754 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
755 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
756 (frob_update_context): Likewise. Workaround missing S flag in
757 Linux 2.6.12 - 2.6.16 kernel vDSOs.
758 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
759 Remove the psw_addr + 1 hack.
761 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
763 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
764 with aggregates here.
765 (find_func_aliases): Remove code for &<aggregate> from here.
767 2006-02-26 Roger Sayle <roger@eyesopen.com>
769 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
770 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
771 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
774 2006-02-26 Roger Sayle <roger@eyesopen.com>
777 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
779 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
781 * opts.c (decode_options): Do not handle flag_strength_reduce.
782 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
783 and OPT_fstrength_reduce.
784 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
785 flag_prefetch_loop_arrays for being nonzero.
786 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
788 (fprefetch-loop-arrays-rtl): Removed.
789 (flag_prefetch_loop_arrays): Do not specify the value.
791 * doc/passes.texi: Update documentation of loop optimizer
793 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
794 -frerun-loop-opt): Remove.
796 2006-02-26 Richard Guenther <rguenther@suse.de>
798 PR tree-optimization/26421
799 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
800 in function calls that are ADDR_EXPRs as using the whole structure.
802 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
804 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
805 * tree-pass.h (pass_loop_optimize): Remove.
806 * passes.c (pass_loop_optimize): Never run it.
807 * toplev.c (backend_init): Don't call init_loop.
808 * opts.c (flag_loop_optimize_set): Remove.
809 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
810 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
811 the old RTL loop optimizer when profiling enabled.
812 * predict.c (tree_estimate_probability): Always strip builtin_expect.
813 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
814 pre-headers for the sake of the old RTL loop optimizer.
815 * Makefile.in: Remove all references to loop.o.
817 * doc/invoke.texi: Remove all references to -floop-optimize
818 and -frerun-loop-opt.
820 2006-02-26 Zack Weinberg <zackw@panix.com>
822 * doc/md.texi (Machine Constraints): Refer to all files with paths
823 relative to gcc directory (i.e. config/CPU/file). Add missing
824 @table @code ... @end table to M32C subsection.
826 2006-02-26 Roger Sayle <roger@eyesopen.com>
828 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
830 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
832 2006-02-26 Roger Sayle <roger@eyesopen.com>
833 James A. Morrison <phython@gcc.gnu.org>
836 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
837 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
838 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
839 signedness of the shift operation.
841 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
843 PR tree-optimization/26359
844 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
846 2006-02-25 Roger Sayle <roger@eyesopen.com>
848 * simplify-rtx.c (simplify_relational_operation_1): Simplify
849 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
850 as X == 0, and some symmetry related transformations.
851 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
853 2006-02-25 Roger Sayle <roger@eyesopen.com>
856 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
857 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
858 symmetry related transformations. Fold (X^C1) == C2 as
861 2006-02-25 Juergen Weigert <jw@suse.de>
862 Richard Guenther <rguenther@suse.de>
864 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
866 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
868 * combine.c (gen_lowpart_or_truncate): Call
869 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
871 2006-02-24 Diego Novillo <dnovillo@redhat.com>
873 * doc/invoke.texi: Move -fopenmp description to "Options for
875 Remove reference to -lgomp.
877 2006-02-24 David Edelsohn <edelsohn@gnu.org>
879 * doc/install.texi: Require GNU tar version 1.14.
881 2006-02-24 Geoffrey Keating <geoffk@apple.com>
883 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
884 * doc/invoke.texi (C++ Dialect Options): Document
885 -fno-use-cxa-get-exception-ptr.
886 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
887 * configure: Regenerate.
888 * c.opt (fuse-cxa-get-exception-ptr): New.
889 * c-opts.c (c_common_handle_option): Handle
890 OPT_fuse_cxa_get_exception_ptr.
891 * c-common.c (flag_use_cxa_atexit): Update documentation.
892 (flag_use_cxa_get_exception_ptr): New.
893 * c-common.h (flag_use_cxa_get_exception_ptr): New.
894 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
896 (C_COMMON_OVERRIDE_OPTIONS): New.
898 2006-02-24 Roger Sayle <roger@eyesopen.com>
901 * combine.c (try_combine): Explicitly check whether GET_CODE is
902 a SET or a CLOBBER, instead on checking that it isn't a USE.
904 2006-02-24 Roger Sayle <roger@eyesopen.com>
906 * fold-const.c (fold_comparison): New subroutine of fold_binary
907 containing transformations common to both the equality and
908 ordering relational operators, factored out of fold_binary.
909 (fold_binary): Separate out the equality operators (EQ_EXPR
910 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
911 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
912 transformations common to both.
913 (fold_div_compare): Fix latent bugs in the previously unreachable
914 LT_EXPR and GE_EXPR cases.
916 2006-02-24 David Edelsohn <edelsohn@gnu.org>
918 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
919 decl libname for clog to __clog on AIX.
921 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
923 2006-02-24 Alan Modra <amodra@bigpond.net.au>
926 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
927 output traceback table for thunks. Localise rs6000_stack_info call.
929 2006-02-23 Roger Sayle <roger@eyesopen.com>
930 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
932 * gthr-posix.h (__gthrw): Fix typo in comment.
934 2006-02-23 Geoffrey Keating <geoffk@apple.com>
936 * doc/cpp.texi (Character sets): Document that we do support
937 input files to be in any character set.
939 2006-02-23 Jeff Law <law@redhat.com>
941 * tree.h (PHI_ARG_NONZERO): Remove.
942 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
943 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
944 node to the new node.
946 PR tree-optimization/26425
947 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
948 min/max, then assume its varying.
950 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
952 PR rtl-optimization/26316
953 * rtlanal.c (enum may_trap_p_flags): New.
954 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
955 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
956 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
957 (may_trap_after_code_motion_p): New function.
958 * loop-invariant.c (find_identical_invariants): Fix dump formating.
959 (find_invariant_insn): Use may_trap_after_code_motion_p.
960 * rtl.h (may_trap_after_code_motion_p): Declare.
962 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
964 * emit-rtl.c (immed_double_const): Cleanup.
966 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
968 Fix PR tree-optimization/26376
969 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
972 2006-02-23 Jakub Jelinek <jakub@redhat.com>
975 * gimplify.c (omp_add_variable): Guard variable size decl test with
976 DECL_SIZE (decl) check.
978 2006-02-23 Richard Guenther <rguenther@suse.de>
981 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
982 like aggregate types.
984 2006-02-23 Jakub Jelinek <jakub@redhat.com>
986 * configure.ac: Add --with{,out}-long-double-128 configure option.
987 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
988 * configure: Rebuilt.
989 * config.in: Rebuilt.
990 * doc/install.texi (Options specification): Document
991 --with-long-double-128.
993 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
994 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
995 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
996 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
998 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
1000 * config/s390/s390.c (override_options): Handle
1001 TARGET_DEFAULT_LONG_DOUBLE_128.
1003 * config/alpha/alpha.c (override_options): Handle
1004 TARGET_DEFAULT_LONG_DOUBLE_128.
1006 * config/sparc/sparc.c (sparc_override_options): Handle
1007 TARGET_DEFAULT_LONG_DOUBLE_128.
1009 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
1011 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
1012 (real-install-headers-tar, real-install-headers-cpio)
1013 (real-install-headers-cp): New targets.
1015 2006-02-22 Richard Sandiford <richard@codesourcery.com>
1017 * tree.h (variable_section): Delete.
1018 * varasm.c (variable_section): Delete.
1020 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
1022 * install.texi: Add notes on install.texi2html.
1023 (Building in parallel): Do not use footnotes.
1025 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
1028 * doc/install.texi (Configuration): Document --disable-libgomp.
1030 2006-02-21 Geoffrey Keating <geoffk@apple.com>
1032 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
1034 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1036 * config/i386/sse.md (vec_extractv2df_1_sse): New.
1037 (vec_extractv2df_0_sse): New.
1039 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1041 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
1042 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
1043 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
1044 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
1045 to the result of the expression.
1046 (def_cfa_1): Adjust.
1047 (frame_pointer_cfa_offset): Rename to...
1048 (frame_pointer_fb_offset): ... this. Adjust all uses.
1049 (convert_cfa_to_loc_list): Rename to...
1050 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
1051 Pass it on to build_cfa_loc.
1052 (compute_frame_pointer_to_cfa_displacement): Rename to...
1053 (compute_frame_pointer_to_fb_displacement): ... this. New
1054 offset parameter. Use it in computation.
1055 (gen_subprogram_die): Compute cfa_fb_offset with the new
1056 macro, and use it to compute the fb loc list and the
1059 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
1061 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
1062 replaced with register_operand.
1063 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
1064 non-DREG is expensive.
1065 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
1066 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
1069 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
1071 * doc/install.texi2html: Use set -e.
1073 2006-02-21 Richard Sandiford <richard@codesourcery.com>
1075 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1076 (ASM_OUTPUT_SHARED_LOCAL): Delete.
1077 * doc/invoke.texi (-fshared-data): Delete.
1078 * common.opt (fshared-data): Delete.
1079 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
1080 (assemble_static_space): Remove #if 0 code.
1081 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1082 (ASM_OUTPUT_SHARED_LOCAL): Poison.
1083 * config/cris/cris.h: Remove FIXME.
1085 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
1087 * doc/sourcebuild.texi (Front End Directory): No more double-colon
1090 2006-02-21 Jakub Jelinek <jakub@redhat.com>
1093 * combine.c (simplify_shift_const_1): Disable nested shifts
1094 optimization for vector shifts.
1096 2006-02-20 Roger Sayle <roger@eyesopen.com>
1098 PR tree-optimization/26361
1099 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
1100 of unsigned integer types.
1102 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
1104 * tree-chrec.c (eq_evolutions_p): New.
1105 * tree-chrec.h (eq_evolutions_p): Declared.
1106 * tree-data-ref.c: Fix formatting.
1107 (datadep_stats, dependence_stats): New.
1109 (print_direction_vector): New.
1110 (dump_data_dependence_relation): Use print_direction_vector.
1111 (object_analysis, create_data_ref): Handle COMPONENT_REF.
1112 (compute_subscript_distance): Static.
1113 (initialize_data_dependence_relation): Static. Get the number
1114 of loops surrounding the references from the callers, and initialize
1115 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
1116 base_object_differ_p analyzers.
1117 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
1118 compute_overlap_steps_for_affine_1_2,
1119 analyze_subscript_affine_affine): Count the classified dependences.
1120 Print a message when a test failed.
1121 (can_use_analyze_subscript_affine_affine): New.
1122 (analyze_siv_subscript): Compute the data dependences on symbolic
1123 scevs that verify can_use_analyze_subscript_affine_affine.
1124 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
1125 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
1126 Handle symbolic scevs.
1127 (analyze_overlapping_iterations): Let symbolic affine scevs to be
1129 (subscript_dependence_tester): Moved...
1130 (build_classic_dist_vector, build_classic_dir_vector): Don't use
1131 lambda_vector_clear on newly allocated vectors. Get nb_loops from
1132 DDR_SIZE_VECT instead of getting it in parameter.
1133 (subscript_dependence_tester): ... here. Take as a parameter
1134 loop_nest_depth. Call build_classic_dist_vector and
1135 build_classic_dir_vector.
1136 (compute_affine_dependence): Update subscript_dependence_tester
1137 parameters. Update datadep_stats counters. Call
1138 compute_subscript_distance.
1139 (compute_self_dependence): Save the dist and dir vectors. Call
1140 compute_subscript_distance.
1141 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
1142 (compute_all_dependences): Reorder parameters as they were before
1143 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
1144 compute_subscript_distance. Update the use of
1145 compute_affine_dependence and initialize_data_dependence_relation.
1146 (find_data_references_in_loop): Handle COMPONENT_REF.
1147 (compute_data_dependences_for_loop): Initialize dependence_stats.
1148 Don't call build_classic_dist_vector and build_classic_dir_vector.
1149 Update the parameters of initialize_data_dependence_relation and
1150 compute_all_dependences. Print the statistics from datadep_stats.
1151 (analyze_all_data_dependences): Static. Not used until the pass for
1152 checking the data dependences is contributed.
1153 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
1154 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
1155 (initialize_data_dependence_relation, compute_affine_dependence,
1156 analyze_all_data_dependences, compute_subscript_distance): Removed.
1157 (print_direction_vector): New.
1158 * lambda.h (gcd): ... here.
1159 (lambda_vector_gcd): Moved here from gcd_vector.
1160 * lambda-code.c (gcd, gcd_vector): Removed.
1161 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
1162 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
1164 2006-02-20 Diego Novillo <dnovillo@redhat.com>
1166 * ipa-type-escape.c: Tidy some comments and white space.
1167 * tree-ssa-operands.c: Likewise.
1169 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
1172 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
1173 (dump_decl_name): Do not walk the decl tree chains.
1174 * tree-pass.h (TDF_CHAIN): Remove.
1176 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1178 * Makefile.in (C): Remove
1180 (.PHONY): Remove C and PROTO
1182 2006-02-20 Roger Sayle <roger@eyesopen.com>
1185 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
1186 deprecated CHAR_TYPE tree code.
1188 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1190 * configure.ac (target_list): Add install-info, dvi, html.
1191 * configure: Regenerate.
1193 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
1194 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
1195 treelang/Make-lang.in: Do not use double-colon rules.
1197 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
1199 * tree.h (struct tree_memory_tag): Add is_used_alone member.
1200 (TMT_USED_ALONE): New macro.
1201 * tree-pass.h (PROP_tmt_usage): New property.
1202 (TODO_update_tmt_usage): New todo.
1203 * tree-ssa-alias.c (updating_used_alone): New variable.
1204 (recalculate_used_alone): New function.
1205 (compute_may_aliases): Set updating_used_alone, call
1206 recalculate_used_alone.
1207 * tree-sra.c (pass_sra): Note that this pass destroys
1208 PROP_tmt_usage, and add TODO_update_tmt_usage.
1209 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1210 * tree-flow.h (updating_used_alone): Prototype.
1211 (recalculate_used_alone): Ditto.
1212 * passes.c (execute_todo): Add code to set updating_used_alone,
1213 and call recalculate.
1214 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
1215 for clobber if used alone, and add assert to verify used_alone
1218 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
1220 * config/s390/s390.c (legitimize_pic_address): Assertions checking
1221 for non tls symbols added.
1222 (legitimize_address): Do nothing for PLUS expressions if one of the
1223 addends is a tls symbol reference.
1225 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1229 * Makefile.in (LDFLAGS): Define from autoconf substitution.
1231 * Makefile.in (BOOTSTRAPPING): New.
1232 (quickstrap): New definition if BOOTSTRAPPING=yes.
1234 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
1235 * configure.ac: Substitute all_selected_languages with the languages
1236 that were configured. For all the other variables except
1237 lang_specs_files, include all the languages in the tree.
1238 * configure: Regenerate.
1240 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
1241 if there is one. Run the commands to run fixincludes in the same
1244 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
1245 * doc/install.texi: Document exact conventions for searching target tools.
1246 Document --with-build-time-tools. Document toplevel bootstrap. Document
1247 something more about building an Ada cross-compiler. Don't list GNU Make
1248 requirements which affect all platforms.
1250 2006-02-19 Roger Sayle <roger@eyesopen.com>
1253 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
1254 only equivalent if the have both the same mode and precision.
1256 2006-02-20 Ben Elliston <bje@au.ibm.com>
1258 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
1260 2006-02-19 Roger Sayle <roger@eyesopen.com>
1261 Steven Bosscher <stevenb.gcc@gmail.com>
1263 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
1264 constant pool references to identify stack mode constants.
1265 * rtlanal.c (constant_pool_constant_p): New predicate to check
1266 whether operand is a floating point constant in the pool.
1267 * rtl.h (constant_pool_constant_p): Prototype here.
1268 * loop.c (scan_loop): Avoid hoisting constants from the constant
1269 pool on STACK_REGS targets.
1270 (load_mems): Likewise.
1271 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
1272 loads into x87 registers expensive in terms of register pressure.
1274 2006-02-19 Roger Sayle <roger@eyesopen.com>
1276 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
1277 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
1279 2006-02-19 David Edelsohn <edelsohn@gnu.org>
1281 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
1282 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
1284 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
1286 * doc/invoke.texi: Document -fipa-pta.
1287 * common.opt: Add ipa-pta option.
1288 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
1289 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
1290 (do_ds_constraint): Ditto.
1291 (get_constraint_for): Only add to referenced_vars if
1292 referenced_vars exists.
1293 (insert_into_field_list): Rewrite to do this unsorted.
1294 (insert_into_field_list_sorted): Rename old insert_into_field_list
1296 (create_function_info_for): Use insert_into_field_list_sorted.
1297 (create_variable_info_for): Rewrite so it uses unsorted version,
1298 since the field list is sorted.
1299 (intra_create_variable_infos): Only add to referenced_vars if
1300 referenced_vars exists.
1301 (ipa_pta_execute): Init heapvars, and delete when done.
1302 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
1304 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1306 * doc/install.texi: Add missing `@samp'.
1308 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1310 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
1313 2006-02-18 Mark Wielaard <mark@klomp.org>
1315 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
1316 who added new 4.1 features, bug fixes and integration support.
1318 2006-02-18 David Edelsohn <edelsohn@gnu.org>
1321 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
1324 2006-02-18 Richard Sandiford <richard@codesourcery.com>
1326 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
1327 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
1328 (copy_insn_1): Likewise. Don't copy each field individually.
1330 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
1332 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
1333 * rtl.c (rtx_size): Rename variable to...
1334 (rtx_code_size): ...this.
1335 (rtx_size): New function.
1336 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
1337 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
1339 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
1340 * rtl.h (rtx_code_size): New variable.
1341 (rtx_size): Change from a variable to a function.
1342 (RTX_SIZE): Rename to...
1343 (RTX_CODE_SIZE): ...this.
1346 PR tree-optimization/17106
1347 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
1348 (Anchored Addresses): New section.
1349 * doc/invoke.texi (-fsection-anchors): Document.
1350 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
1351 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
1352 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
1353 * hooks.c (hook_bool_mode_rtx_false): New function.
1354 * hooks.h (hook_bool_mode_rtx_false): Declare.
1355 * gengtype.c (create_optional_field): New function.
1356 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
1357 SYMBOL_REF_IN_BLOCK_P is true.
1358 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
1359 (min_anchor_offset, max_anchor_offset): Likewise.
1360 (use_anchors_for_symbol_p): New hook.
1361 * toplev.c (compile_file): Call output_object_blocks.
1362 (target_supports_section_anchors_p): New function.
1363 (process_options): Check that -fsection-anchors is only used on
1364 targets that support it and when -funit-at-a-time is in effect.
1365 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
1366 if the decl doesn't have one.
1367 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
1368 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
1369 of force_const_mem through use_anchored_address.
1370 (expand_expr_constant): New function.
1371 (expand_expr_addr_expr_1): Call it. Use the same modifier when
1372 calling expand_expr for INDIRECT_REF.
1373 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
1374 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
1375 * expr.h (use_anchored_address): Declare.
1376 * loop-unroll.c: Don't declare rtx vectors here.
1377 * explow.c: Include output.h.
1378 (validize_mem): Call use_anchored_address.
1379 (use_anchored_address): New function.
1380 * common.opt (-fsection-anchors): New switch.
1381 * varasm.c (object_block_htab, anchor_labelno): New variables.
1382 (hash_section, object_block_entry_eq, object_block_entry_hash)
1383 (use_object_blocks_p, get_block_for_section, create_block_symbol)
1384 (use_blocks_for_decl_p, change_symbol_section): New functions.
1385 (get_variable_section): New function, split out from assemble_variable.
1386 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
1387 use_blocks_for_decl_p say so. Use change_symbol_section if the
1388 symbol has already been created.
1389 (assemble_variable_contents): New function, split out from...
1390 (assemble_variable): ...here. Don't output any code for
1391 block symbols; just pass them to place_block_symbol.
1392 Use get_variable_section and assemble_variable_contents.
1393 (get_constant_alignment, get_constant_section, get_constant_size): New
1394 functions, split from output_constant_def_contents.
1395 (build_constant_desc): Create a block symbol if use_object_blocks_p
1396 says so. Or into SYMBOL_REF_FLAGS.
1397 (assemble_constant_contents): New function, split from...
1398 (output_constant_def_contents): ...here. Don't output any code
1399 for block symbols; just pass them to place_section_symbol.
1400 Use get_constant_section and get_constant_alignment.
1401 (force_const_mem): Create a block symbol if use_object_blocks_p and
1402 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
1403 (output_constant_pool_1): Add an explicit alignment argument.
1404 Don't switch sections here.
1405 (output_constant_pool): Adjust call to output_constant_pool_1.
1406 Switch sections here instead. Don't output anything for block symbols;
1407 just pass them to place_block_symbol.
1408 (init_varasm_once): Initialize object_block_htab.
1409 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
1410 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
1411 (place_block_symbol, get_section_anchor, output_object_block)
1412 (output_object_block_htab, output_object_blocks): New functions.
1413 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
1414 (TARGET_ASM_OUT): Include it.
1415 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
1416 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
1417 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
1418 (TARGET_INITIALIZER): Include them.
1419 * rtl.c (rtl_check_failed_block_symbol): New function.
1420 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
1421 (block_symbol, object_block): New structures.
1422 (rtx_def): Add a block_symbol field to the union.
1423 (BLOCK_SYMBOL_CHECK): New macro.
1424 (rtl_check_failed_block_symbol): Declare.
1425 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
1426 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
1427 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
1428 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
1429 * output.h (output_section_symbols): Declare.
1430 (object_block): Name structure.
1431 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
1432 (default_use_anchors_for_symbol_p): Declare.
1433 * Makefile.in (RTL_BASE_H): Add vec.h.
1434 (explow.o): Depend on output.h.
1435 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
1436 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1437 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1438 (rs6000_use_blocks_for_constant_p): New function.
1440 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1442 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
1444 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1447 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
1450 2006-02-18 Diego Novillo <dnovillo@redhat.com>
1452 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
1456 2006-02-18 Jakub Jelinek <jakub@redhat.com>
1459 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
1460 instead of DECL_REGISTER.
1462 2006-02-18 Olivier Hainque <hainque@adacore.com>
1465 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
1467 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
1470 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
1471 * opth-gen.awk: Handle Var and InverseMask together.
1472 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
1473 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
1474 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
1475 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
1477 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1478 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1479 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
1480 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1481 LINUX_DYNAMIC_LINKER): Define.
1482 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
1483 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
1485 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1486 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
1487 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1488 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1489 (TARGET_C99_FUNCTIONS): Don't define.
1490 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
1491 GLIBC_DYNAMIC_LINKER.
1492 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
1493 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
1494 GLIBC_DYNAMIC_LINKER64): Define.
1495 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1496 LINUX_DYNAMIC_LINKER64.
1497 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1498 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1499 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
1500 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1501 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1502 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1503 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
1504 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
1505 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
1506 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
1507 and LINUX_DYNAMIC_LINKER32.
1508 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1509 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1510 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
1511 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1512 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
1514 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
1515 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
1516 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1517 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1518 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1519 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
1520 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
1521 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
1522 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1523 LINUX_DYNAMIC_LINKER): Define.
1524 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
1525 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
1526 GLIBC_DYNAMIC_LINKER64): Define.
1527 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1528 LINUX_DYNAMIC_LINKER64.
1529 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1530 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1531 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
1532 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1533 LINUX_DYNAMIC_LINKER): Define.
1534 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1535 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1536 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
1537 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
1538 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
1539 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1540 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
1541 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
1542 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1543 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1544 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1545 * doc/invoke.texi (-muclibc): Remove caveat about supported
1548 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1550 * doc/cpp.texi (__TIMESTAMP__): Document.
1552 2006-02-17 Roger Sayle <roger@eyesopen.com>
1555 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
1556 C is one less than the width of X (and related transformations).
1557 * simplify-rtx.c (simplify_unary_operation_1): Transform
1558 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
1559 depending on STORE_FLAG_VALUE, were C is one less then the
1562 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
1564 Fix PR tree-optimization/26341
1565 * tree-ssa-operands.c (add_virtual_operand): Remove assert
1566 about NAME_MEMORY_TAG's.
1568 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1571 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
1572 with hardware float support, and software float support. Add fcpy
1573 alternative to hardware patterns. Add alternatives to copy between
1574 general and floating-point registers to the 32-bit pattern.
1575 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
1576 secondary reload to load a QI or HI mode constant into a floating
1578 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
1579 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
1581 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
1584 * config/rs6000/darwin.md (load_macho_picbase_si): Add
1586 (load_macho_picbase_di): Likewise.
1588 2006-02-16 Jeff Law <law@redhat.com>
1590 * tree-vrp.c (set_value_range_to_nonnegative): New function.
1591 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
1592 (ssa_name_nonzero_p): Likewise.
1593 (get_value_range): Return NULL if VRP is not running.
1594 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
1595 VRP routines do not discover a range.
1596 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
1597 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
1598 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
1599 (tree_expr_nonnegative_p): Similarly.
1600 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
1601 (restore_nonzero_vars_to_original_value): Remove.
1602 (unsafe_associative_fp_binop): Remove.
1603 (tree_ssa_dominator_optimize): Remove initialization and
1604 finalization of nonzero_vars and nonzero_vars_stack.
1605 (dom_opt_initialize_block): No longer push marker on
1607 (dom_opt_finalize_block): No longer call
1608 restore_nonzero_vars_to_original_value.
1609 (record_equivalences_from_phis): No longer look for
1610 nonzero PHI arguments.
1611 (cprop_into_successor_phis): No longer propagate nonzero
1612 property into PHI arguments. Lose unused argument. Caller
1614 (record_equivalences_from_stmt): No longer record nonzero
1615 values for SSA_NAMEs.
1616 (lookup_avail_expr): No longer use nonzero_vars.
1618 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
1619 for sizetype when sizetype is unsigned.
1621 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
1623 PR rtl-optimization/25603
1624 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
1625 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
1626 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
1627 with new meaning of SETS.
1629 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
1634 * config/linux.opt: New file.
1635 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
1636 LINUX_DYNAMIC_LINKER): Define.
1637 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
1638 * config.gcc (*-*-linux*): Define extra_options.
1639 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
1640 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
1641 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
1642 GLIBC_DYNAMIC_LINKER.
1643 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
1644 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1645 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1646 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1647 * doc/invoke.texi (GNU/Linux Options): New section.
1649 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1651 * config/sparc/sparc.md (setjmp): Rewrite.
1652 (setjmp_32): Delete.
1653 (setjmp_64): Likewise.
1655 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
1657 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
1660 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1662 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
1665 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1667 PR rtl-optimization/26296
1668 * Makefile.in (loop-invariant.c): Add except.h dependency.
1669 * loop-invariant.c: Include except.h.
1670 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
1672 2005-02-16 Paul Brook <paul@codesourcery.com>
1674 * reload1.c (emit_reload_insns): Invalidate dead input registers used
1677 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
1679 PR rtl-optimization/25636
1680 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
1681 when deciding whether an insn is an initializing insn.
1683 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
1685 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
1686 (tree_code_size): Ditto.
1687 * tree.h (struct tree_memory_tag): Remove parent_var.
1688 (struct tree_struct_field_tag): New.
1691 (union tree_node): Add sft member.
1692 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
1694 (create_sft): Add size and offset argument, set SFT_OFFSET and
1696 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
1697 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
1698 * tree-flow-inline.h (get_subvar_at): Update for
1699 SFT_OFFSET/SFT_SIZE.
1700 (var_can_have_subvars): Ditto.
1701 (overlap_subvar): Ditto.
1702 * print-tree.c (print_node): Print out interesting things for
1704 * tree-flow.h (struct subvar): Remove offset and size members.
1705 * tree-ssa-operands.c (get_expr_operands): Update for
1706 get_indirect_ref_operands changes.
1707 (get_indirect_ref_operands): Call add_virtual_operand instead of
1708 add_stmt_operand. Only recurse on base var if requested.
1709 (access_can_touch_variable): New function.
1710 (add_stmt_operand): Split virtual operand handling into ...
1711 (add_virtual_operand): Here. Add offset, size, and for_clobber
1712 arguments. Prune alias sets.
1713 (add_call_clobber_ops): Call add_virtual_operand.
1715 2006-02-15 Jakub Jelinek <jakub@redhat.com>
1718 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
1720 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
1721 than TREE_CODE as index into omp_clause_num_ops array.
1723 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
1725 PR rtl-optimization/26184
1726 * modulo-sched.c (generate_reg_moves): Free bitmap vector
1728 * modulo-sched.c (sms_schedule): Free g_arr pointer.
1729 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
1730 must_precede, must_follow and tobe_scheduled.
1733 * opts.c (common_handle_option): Free new_option pointer.
1734 * df-core.c (df_analyze): Free postorder pointer.
1736 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1738 * Makefile.in: Fix the examples about the use of stamps
1740 2006-02-15 Michael Matz <matz@suse.de>
1744 * stor-layout.c (layout_decl): Zero-width bitfields aren't
1745 influenced by maximum_field_alignment or DECL_PACKED.
1746 (update_alignment_for_field): Ditto.
1747 (place_field): Ditto.
1748 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
1751 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
1753 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
1754 (debug_flow_info): Pass it.
1755 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
1756 * bb-reorder.c (reorder_basic_blocks): Likewise.
1757 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
1758 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
1759 * flow.c (life_analysis, recompute_reg_usage): Likewise.
1760 * gcse.c (gcse_main, bypass_jumps): Likewise.
1761 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
1762 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
1763 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
1764 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
1765 * rtl.h (dump_flow_info): Adjust prototype.
1766 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
1767 * var-tracking.c (variable_tracking_main): Likewise.
1768 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
1769 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
1772 2006-02-15 Marcin Dalecki <martin@dalecki.de>
1774 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
1777 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
1779 PR tree-optimization/26209
1780 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
1781 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
1783 * tree-cfg.c (replace_uses_by): Do not alter cfg.
1785 2006-02-14 Roger Sayle <roger@eyesopen.com>
1788 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
1789 (X,Y) and the corresponding symmetry related transformations.
1790 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
1791 (X,Y) and its symmetry related transformations.
1793 2006-02-14 Roger Sayle <roger@eyesopen.com>
1795 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
1798 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
1800 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
1802 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1805 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
1806 support COMDAT group.
1807 * configure: Regenerate.
1809 2006-02-14 Roger Sayle <roger@eyesopen.com>
1814 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
1816 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
1818 Fix PR tree-optimization/26260
1820 * doc/invoke.texi (max-fields-for-field-sensitive): Document
1822 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
1823 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
1824 * tree-ssa-structalias.c (create_variable_info_for): Use
1825 MAX_FIELDS_FOR_FIELD_SENSITIVE.
1827 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
1829 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
1831 * tree-ssa-loop-niter.c (number_of_iterations_ne,
1832 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
1833 of the ending condition.
1834 * tree-ssa-loop-manip.c: Include params.h.
1835 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
1836 tree_unroll_loop): New functions.
1837 * tree-pass.h (pass_loop_prefetch): Declare.
1838 * loop.c (rest_of_handle_loop_optimize): Test for
1839 -fprefetch-loop-arrays-rtl.
1840 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
1841 * timevar.def (TV_TREE_PREFETCH): New timevar.
1842 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
1843 pass_loop_prefetch): New.
1844 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
1845 (cleanup_tree_cfg_loop): Call scev_reset.
1846 * common.opt (fprefetch-loop-arrays-rtl): Add.
1847 * tree-ssa-loop-prefetch.c: New file.
1848 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
1849 (new_temp_expr_table): Initialize expr_vars.
1850 (free_temp_expr_table): Cleanup expr_vars.
1851 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
1852 expressions from being merged into one.
1853 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
1854 (struct tree_niter_desc): Add control, bound and cmp fields.
1855 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
1857 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
1858 (tree-cfgcleanup.o): Add SCEV_H dependency.
1859 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
1860 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
1862 2006-02-14 Richard Guenther <rguenther@suse.de>
1864 PR tree-optimization/26258
1865 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
1866 in PHI argument processing.
1868 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
1870 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
1871 new expression in the requested machine mode.
1873 2006-02-13 Roger Sayle <roger@eyesopen.com>
1875 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
1876 directly, instead let do_compare_rtx_and_jump handle this for us.
1877 * expr.c (expand_expr_real_1): Likewise.
1878 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
1879 before do_jump_by_parts_greater.
1880 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
1881 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
1883 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1885 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
1887 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
1889 PR rtl-optimization/26235
1890 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
1891 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
1894 2006-02-13 Jeff Law <law@redhat.com>
1896 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
1899 2006-02-13 Jakub Jelinek <jakub@redhat.com>
1902 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
1903 twice if decl is a builtin. When trying again, call get_callee_fndecl
1904 first to verify it is still a builtin.
1906 2006-02-13 Geoffrey Keating <geoffk@apple.com>
1908 * dwarf2out.c (base_type_die): Don't add AT_name here.
1909 (subrange_type_die): Don't add AT_name here.
1910 (modified_type_die): Rearrange code flow. Do add AT_name here.
1912 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
1914 PR rtl-optimization/26247
1915 PR rtl-optimization/26248
1916 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
1918 2006-02-13 Richard Sandiford <richard@codesourcery.com>
1920 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
1921 * config/fixtfdi.c: Likewise.
1922 * config/fixunstfdi.c: Likewise.
1923 * config/floatditf.c: Likewise.
1925 2006-02-13 Roger Sayle <roger@eyesopen.com>
1928 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
1929 into (X,C2) if C1 is a subset of the bits of C2. Transform
1930 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
1932 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
1934 2006-02-13 Josh Conner <jconner@apple.com>
1937 * varasm.c (function_section): Check for section name before
1938 calling select_section on targets that define
1939 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
1940 unlikely_text_section instead of hot_function_section if
1941 first_function_block_is_cold.
1943 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
1946 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
1948 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1950 PR rtl-optimization/26222
1951 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
1952 after tree->rtl expansion.
1953 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
1954 before passing it to emit_move_insn.
1956 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
1958 * doc/invoke.texi (-Write-strings): Document that it is enabled by
1960 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
1961 Clarify documentation.
1962 * c-common.h (warn_write_strings): Remove.
1963 * c-common.c (warn_write_strings): Likewise.
1964 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
1967 2006-02-12 Roger Sayle <roger@eyesopen.com>
1970 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
1971 (do_jump_parts_zero_rtx): New function renamed from
1972 do_jump_parts_equality_rtx. Made static. Add a mode argument.
1973 (do_jump_parts_equality_rtx): New function split out from
1974 do_jump_parts_equality. Old implementation renamed as above.
1975 Call do_jump_parts_zero_rtx if either operand is zero.
1976 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
1977 do all of the heavy lifting.
1978 (do_compare_rtx_and_jump): Handle multi-word comparisons by
1979 calling either do_jump_by_parts_greater_rtx or
1980 do_jump_by_parts_equality_rtx.
1981 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
1982 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
1983 moved to do_compare_rtx_and_jump, call it directly.
1984 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
1985 mode argument. Call do_compare_rtx_and_jump.
1986 (emit_case_nodes): Update calls to do_jump_if_equal.
1988 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1990 PR rtl-optimization/26225
1991 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
1993 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1995 PR rtl-optimization/26232
1996 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
1998 2006-02-11 Jason Merrill <jason@redhat.com>
2001 * tree-inline.c (declare_return_variable): Just don't use the
2002 modify target if it's a gimple complex reg and the return slot
2005 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2007 * doc/contrib.texi: Update my entry.
2009 2006-02-10 Geoffrey Keating <geoffk@apple.com>
2011 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
2013 2006-02-10 Diego Novillo <dnovillo@redhat.com>
2015 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
2018 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
2020 * doc/invoke.texi (-floop-optimize2): Removed.
2021 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
2022 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
2023 Test flag_branch_on_count_reg only if HAVE_doloop_end.
2024 * common.opt (floop-optimize2): Removed.
2025 (fmove-loop-invariants): Enabled by default.
2027 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
2029 * tree-if-conv.c (combine_blocks): Free the result of
2030 get_loop_exit_edges.
2032 2006-02-10 Jeff Law <law@redhat.com>
2034 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
2036 PR tree-optimization/26213
2037 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
2038 loop trying to follow SSA_NAME_VALUE chains.
2040 2006-02-10 Richard Guenther <rguenther@suse.de>
2042 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
2043 deal with structures that end in implicitly variable sized arrays.
2045 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2047 PR rtl-optimization/24762
2048 * df-scan.c (df_bb_refs_record): Record correct registers defined on
2051 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2053 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
2054 (struct ivopts_data): Add regs_used field.
2055 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
2056 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
2057 instead of loop_data->regs_used;
2058 (free_loop_data): Do not free aux fields for loops.
2059 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
2060 and tree_ssa_iv_optimize_finalize.
2062 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
2064 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
2066 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2069 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
2070 computing the effective result type.
2072 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2075 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
2076 (tree_overlaps_hard_reg_set): Declare.
2077 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
2078 type and signature to match function type expected by walk_tree.
2079 (tree_overlaps_hard_reg_set): New function.
2080 (decl_conflicts_with_clobbers_p): Rename to:
2081 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
2082 Use tree_overlaps_hard_reg_set. Changed caller.
2083 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
2084 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
2085 * cris.c (cris_md_asm_clobbers): Likewise.
2087 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
2089 * reload1.c (emit_input_reload_insns): Delete code that tries to
2090 inherit using find_equiv_reg.
2092 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
2094 * c-common.h (flag_const_strings): Don't declare.
2095 * c-common.c (flag_const_strings): Remove.
2096 * c.opt (fconst_strings): Remove.
2097 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
2098 <OPT_Wwrite_strings>: Don't set flag_const_strings.
2099 (c_common_init_options): Don't set flag_const_strings.
2100 * doc/invoke.texi (-fno-const-strings): Remove documentation.
2102 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
2104 * arm.md (tlobits_cbranch): New pattern.
2105 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
2106 testing a single bit.
2108 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2111 * tree-ssa-pre.c (create_component_ref_by_pieces):
2112 Handle RETURN_DECL like VAR_DECL.
2114 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2117 * fold-const.c (fold_indirect_ref_1): Fold
2118 "*(foo *)&complexfoo" to "__real__ complexfoo"
2119 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
2121 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2123 * tree-flow-inline.h (var_can_have_subvars):
2124 Volatile variables should not have subvariables.
2126 2006-02-09 Diego Novillo <dnovillo@redhat.com>
2129 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
2130 multiplying unsigned values.
2133 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
2135 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
2137 2006-02-08 Jason Merrill <jason@redhat.com>
2140 * tree.def: Elaborate on difference from MODIFY_EXPR.
2141 * doc/c-tree.texi (INIT_EXPR): Likewise.
2142 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
2143 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
2144 (gimplify_target_expr): Likewise.
2145 (gimplify_cond_expr): Remove target handling.
2146 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
2147 (gimplify_expr): Clobber it here.
2148 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
2149 Do return slot optimization if we have an INIT_EXPR.
2152 * tree-inline.c (declare_return_variable): Also clear
2153 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
2156 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
2159 * gimplify.c (gimplify_one_sizepos): Fix typo.
2161 2006-02-08 Jeff Law <law@redhat.com>
2163 PR tree-optimization/21417
2164 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
2165 across a backedge if the control statement at the end of the
2166 block is data dependent on other statements in the same block.
2167 (record_temporary_equivalences_from_stmts): Remove over-conservative
2168 test for threading across backedges.
2170 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
2171 control statement, handle all three special cases in the same
2172 manner as they all have the same desired solution. No longer
2173 special case edge flag updating when the post dominator is
2176 2006-02-08 Roger Sayle <roger@eyesopen.com>
2178 * tree.def (CHAR_TYPE): Remove.
2179 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
2180 * dwarf2out.c (base_type_die, is_base_type): Likewise.
2181 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
2182 (gen_string_type_die): Delete unreachable function.
2184 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
2185 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
2186 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
2187 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
2188 * builtins.c (type_to_class): Likewise.
2189 * fold-const.c (fold_convert, build_range_check,
2190 merge_ranges): Likewise.
2191 * expr.c (count_type_elements): Likewise.
2192 * c-pretty-print.c (pp_c_type_specifier): Likewise.
2193 * stor-layout.c (layout_type): Likewise.
2194 * ipa-type-escape.c (type_to_consider): Likewise.
2195 * gimplify.c (omp_firstprivatize_type_sizes,
2196 gimplify_type_sizes): Likewise.
2197 * explow.c (promote_mode): Likewise.
2198 * tree-sra.c (is_sra_scalar_type): Likewise.
2199 * varasm.c (output_constant): Likewise.
2200 * tree-inline.c (remap_type_1): Likewise.
2201 * convert.c (convert_to_pointer, convert_to_real,
2202 convert_to_integer, convert_to_complex): Likewise.
2204 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
2206 * df-scan.c (df_def_record_1): A set destination may
2207 be a parallel regardless of mode.
2209 2006-02-08 Roger Sayle <roger@eyesopen.com>
2212 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
2213 * config/mips/_tilib.c: Remove.
2214 * config/fixtfdi.c: New libgcc source file.
2215 * config/fixunstfdi.c: New source file.
2216 * config/floatditf.c: New source file.
2217 * config/floatunditf.c: New souce file.
2218 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2219 files above instead of config/mips/_tilib.c.
2220 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2222 2006-02-08 Jeff Law <law@redhat.com>
2224 PR tree-optimization/26169
2225 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
2228 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
2230 * df.h (DF_REG_SIZE): Return the length of the initialized
2233 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
2235 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
2236 __muldf3): Return a correctly signed zero.
2238 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
2240 * passes.c (register_one_dump_file): Accept the current properties
2241 instead of pass number. Adjust call to dump_register. Remove
2243 (register_dump_files): Now a wrapper around...
2244 (register_dump_files_1): ... this one. Do not modify the pass
2246 (next_pass_1): Cosmetic fix.
2247 (execute_todo): Keep second parameter only. Use curr_properties
2248 instead of fetching it from the pass structure. Check and set
2250 (execute_one_pass): Handle TODO_set_props. Use curr_properties
2251 instead of fetching it from the pass structure. Fix calls to
2252 execute_todo. Update curr_properties and initialize .vcg RTL dump
2253 after running the pass. Reset last_verified.
2254 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
2256 (FIRST_AUTO_NUMBERED_DUMP): New.
2257 (dump_register): Remove "num" parameter, assign it within the
2259 (get_dump_file_name): Modify template for dumps.
2260 * tree-dump.h (dump_register): Adjust prototype.
2261 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
2262 (PROP_trees): Add PROP_gimple_lomp.
2263 (TODO_set_props): New.
2264 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
2265 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
2266 * cfgexpand.c (pass_expand): Destroy PROP_trees.
2268 2006-02-08 Jakub Jelinek <jakub@redhat.com>
2270 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
2271 (sparc64-*-linux*): Likewise.
2272 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
2273 * config/sparc/t-linux: New file.
2274 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
2275 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
2276 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
2277 -m32 -mlong-double-128.
2279 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
2280 * config/alpha/t-linux: New file.
2281 * config/alpha/libgcc-alpha-ldbl.ver: New file.
2283 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
2284 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
2285 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
2286 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
2287 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
2288 (CPP_ARCH32_SPEC): Remove.
2290 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
2292 PR tree-optimization/26145
2293 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
2296 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2299 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
2300 >= 240000 when generating code for SOM runtime.
2301 (output_indirect_call): Don't use "b,l" instruction for indirect calls
2302 to $$dyncall when generating code for SOM runtime..
2304 2006-02-07 Dirk Mueller <dmueller@suse.com>
2307 * doc/invoke.texi (-Wsequence-point): Update documentation
2308 that -Wsequence-point is implemented for C++ as well.
2310 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2312 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
2313 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
2314 (LIB_SPEC): Likewise.
2315 * doc/invoke.texi (SPARC options): Document -pthread.
2317 2006-02-07 Geoffrey Keating <geoffk@apple.com>
2319 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
2322 2006-02-07 Roger Sayle <roger@eyesopen.com>
2324 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
2325 Correct comment describing BOOLEAN_TYPE.
2327 2006-02-07 Dirk Mueller <dmueller@suse.com>
2329 * c.opt: C++ frontend supports -Wdiv-by-zero.
2330 * c-opts.c (c_common_handle_option): Remove dead case.
2332 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2334 * configure.ac (TLS assembler check): Do not enable TLS by
2335 default on SPARC/Solaris before version 10.
2336 * configure: Regenerate.
2338 2006-02-07 David Edelsohn <edelsohn@gnu.org>
2340 * doc/invoke.texi (xl-compat): Document conversion and support
2343 2006-02-07 Jeff Law <law@redhat.com>
2345 * tree-vrp.c (find_conditional_asserts): Update comments.
2346 (simplify_stmt_for_jump_threading): New.
2347 (identify_jump_threads, finalize_jump_threads): New.
2348 (vrp_finalize): Call identify_jump_threads.
2349 (execute_vrp): Call finalize_jump_threads.
2350 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
2351 (vrp_element, vrp_data, vrp_element_p): Remove.
2352 (vrp_hash_elt, vrp_variables_stack): Remove.
2353 (vrp_hash, vrp_eq, record_range): Remove.
2354 (simplify_cond_and_lookup_avail_expr): Remove.
2355 (extract_range_from_cond): Remove.
2356 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
2357 (simplify_stmt_for_jump_threading): New.
2358 (dom_thread_across_edge): New wrapper.
2359 (tree_ssa_dominator_optimize): No longer initialize or
2360 finalize any of the VRP datastructures. Remove iteration
2361 step and simplify as a result of removal of iteration step.
2362 (pass_dominator): Perform a cfg cleanup after DOM.
2363 (dom_opt_finalize_block): Use the new common routines
2364 for threading jumps. Simplify stack management slightly.
2365 No longer need to unwind VRP state.
2366 (record_equivalences_from_incoming_edge): No longer record
2368 (eliminate_redundant_computations): No longer call
2369 simplify_cond_and_lookup_avail_expr.
2370 * tree-flow.h (potentially_threadable_block): Prototype.
2371 (thread_across_edge): Likewise.
2372 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
2373 (tree-ssa-threadedge.o): Add dependencies.
2374 * tree-ssa-threadedge.c: New file.
2375 * passes.c (init_optimization_passes): Merge PHIs before
2376 calling VRP. Run VRP again late in the SSA optimization pipeline.
2378 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2380 * df-core.c (df_set_blocks): Do not dereference function pointers.
2381 (df_finish1): Likewise.
2382 (df_hybrid_search_forward): Likewise.
2383 (df_hybrid_search_backward): Likewise.
2384 (df_iterative_dataflow): Likewise.
2385 (df_analyze_problem): Likewise.
2386 (df_compact_blocks): Likewise.
2387 (df_dump): Likewise.
2388 * df-scan.c (df_rescan_blocks): Likewise.
2389 (df_record_entry_block_defs): Likewise.
2391 * genconditions.c (write_conditions): Guard the definition of
2392 'insn_conditions' with the check on GCC version.
2393 (write_writer): Guard the traversal 'insn_conditions' with
2394 the check on GCC version.
2396 2006-02-07 Richard Guenther <rguenther@suse.de>
2400 2006-01-30 Richard Guenther <rguenther@suse.de>
2402 * gimplify.c (gimplify_target_expr): Handle easy cases
2403 without creating a temporary.
2405 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
2407 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
2408 use of float in probability computations. Use edge probabilities
2409 in place of statically computed probabilities.
2410 (min_spec_prob): New static variable.
2411 (schedule_insns): Initialize it.
2412 (GET_SRC_PROB): Removed.
2413 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
2415 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
2418 * config/ia64/unwind-ia64.c: Revert last change.
2419 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
2420 (INCOMING_FRAME_SP_OFFSET): Define.
2422 2006-02-06 Roger Sayle <roger@eyesopen.com>
2424 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
2426 2006-02-07 Ben Elliston <bje@au.ibm.com>
2428 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
2429 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
2430 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
2431 (ix86_return_in_memory): Handle TDmode.
2432 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
2433 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
2435 2006-02-06 Richard Sandiford <richard@codesourcery.com>
2437 * reorg.c (dbr_schedule): Use dump_file instead of file.
2439 2006-02-06 Steve Ellcey <sje@cup.hp.com>
2442 * config/ia64/predicates.md (extr_len_operand): New predicate.
2443 * config/ia64/ia64.md (extv): Tighten constraints.
2445 (*tbit_and_2): Ditto.
2446 (*tbit_and_3): Ditto.
2447 (*tbit_or_2): Ditto.
2448 (*tbit_or_3): Ditto.
2452 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
2455 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
2457 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
2459 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
2460 loop_optimizer_init and loop_optimizer_finalize
2461 * tree-ssa-sink.c (execute_sink_code): Ditto.
2462 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2463 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
2464 tree_ssa_loop_done): Ditto.
2465 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
2466 * sched-ebb.c: Include output.h.
2467 (schedule_ebbs): Do not use dump argument.
2468 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
2469 * loop.c (loop_dump_stream): Removed.
2470 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
2472 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
2473 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
2474 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
2475 loop_iterations, strength_reduce, record_biv, record_giv,
2476 final_giv_value, check_final_value, check_ext_dependent_givs,
2477 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
2478 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
2479 dump_file instead of loop_dump_stream.
2480 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
2482 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
2484 * flow.c (life_analysis, rest_of_handle_life): Ditto.
2485 * haifa-sched.c: Include output.h
2486 (schedule_insns, sched_init): Do not use dump argument.
2487 * mode-switching.c (optimize_mode_switching): Ditto.
2488 * modulo-sched.c (stats_file): Removed.
2489 (print_node_sched_params): Do not call argument dump_file.
2490 (sms_schedule_by_order, loop_canon_p, sms_schedule,
2491 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
2493 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
2495 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
2496 rtl_loop_init, rtl_loop_done): Ditto.
2497 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
2498 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
2500 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
2501 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
2502 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
2503 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
2504 * emit-rtl.c (renumber_insns): Ditto.
2505 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
2506 expand_gimple_basic_block, tree_expand_cfg): Ditto.
2507 * regclass.c (regclass): Ditto.
2508 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
2509 remove_ssa_form, rewrite_out_of_ssa): Ditto.
2510 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
2511 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
2513 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
2514 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
2516 * gcse.c (gcse_file, debug_stderr): Removed.
2517 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
2518 rest_of_handle_gcse): Do not use dump argument.
2519 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
2520 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
2521 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
2522 compute_code_hoist_vbeinout, compute_code_hoist_data,
2523 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
2524 compute_store_table, build_store_vectors, insert_insn_start_bb,
2525 insert_store, remove_reachable_equiv_notes, replace_store_insn,
2526 store_motion): Use dump_file instead of gcse_file.
2527 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
2528 * profile.c (profile_dump_file): Removed.
2529 (branch_prob): Use dump_file instead of profile_dump_file.
2530 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
2532 * tree-ssa-copy.c (dump_copy_of): Ditto.
2533 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
2534 dump file to life_analysis.
2535 * bt-load.c (branch_target_load_optimize): Ditto.
2536 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
2538 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
2539 regclass, dbr_schedule): Declaration changed.
2540 * sched-int.h (sched_init): Declaration changed.
2541 * tree-profile.c (tree_profile_dump_file): Removed.
2542 (tree_profile_hooks): Removed profile_dump_file hook.
2543 * rtl-profile (rtl_profile_dump_file): Removed.
2544 (rtl_profile_hooks): emoved profile_dump_file hook.
2545 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
2547 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
2548 * tree-cfg.c (build_tree_cfg): Ditto.
2549 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
2550 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
2551 Declaration changed.
2552 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
2553 life_analysis and schedule_insns.
2554 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
2556 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
2558 * config/mips/mips.c (mips_reorg): Ditto.
2559 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
2562 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
2564 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2565 (s390_mangle_fundamental_type): New.
2566 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2569 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2570 (alpha_mangle_fundamental_type): New.
2571 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2574 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2576 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2578 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2579 (sparc_mangle_fundamental_type): New.
2581 2006-02-06 Jakub Jelinek <jakub@redhat.com>
2583 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
2584 (s390x-*-linux*): Likewise.
2585 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
2586 * config/s390/t-linux: New file.
2588 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2590 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
2591 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
2593 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
2595 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
2596 (ANTIC_SAFE_LOADS): New macro.
2597 (find_or_generate_expression): Add prototype.
2598 (set_contains_value): Allow null set for sake of not always having
2599 to allocate ANTIC_SAFE_LOADS.
2600 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
2601 Allow COMPONENT_REF too.
2602 (valid_in_set): Allow COMPONENT_REF.
2603 Check ANTIC_SAFE_LOADS too.
2604 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
2605 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
2607 (can_PRE_operation): Add COMPONENT_REF.
2608 (create_component_ref_by_pieces): New function.
2609 (create_expression_by_pieces): Use create_component_ref_by_pieces.
2610 (insert_aux): Move AGGREGATE_TYPE_P check here.
2611 (compute_avail): Set bb local stmt uids.
2612 (pass_pre): Use TODO_update_ssa_only_virtuals.
2614 2006-02-06 Ben Elliston <bje@au.ibm.com>
2616 * configure.ac: Unconditionally disable decimal float by default.
2617 * configure: Regenerate.
2619 2006-02-06 Ben Elliston <bje@au.ibm.com>
2621 * read-rtl.c (read_name): Terminate reading on EOF.
2623 2006-02-06 Ben Elliston <bje@au.ibm.com>
2625 * dfp.c (decimal_real_arithmetic): Change second argument type
2626 from int to enum tree_code. Do not always return true, but now
2627 return result of any call to decimal_do helper functions.
2628 * dfp.h (decimal_real_arithmetic): Update prototype.
2630 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
2632 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
2634 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
2637 * tree-cfg.c (cleanup_dead_labels): Also don't remove
2640 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2642 * tree-vrp.c (cfg_loops): Removed.
2643 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
2644 Use current_loops instead of cfg_loops. Pass flags to
2645 loop_optimizer_init.
2646 * cfgloopmanip.c (fix_loop_structure): Update only available
2648 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
2649 loop_optimizer_init.
2650 * modulo-sched.c (build_loops_structure): Removed.
2651 (sms_schedule): Use loop_optimizer_init.
2652 * loop-init.c (loop_optimizer_init): Use flags to determine
2653 which properties of loops to prepare.
2654 (rtl_loop_init): Pass flags to loop_optimizer_init.
2655 * tree-ssa-sink.c (execute_sink_code): Ditto.
2656 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
2657 * tree-ssa-pre.c (init_pre): Ditto.
2658 * cfgloop.h (LOOPS_NORMAL): New.
2659 (loop_optimizer_init): Declaration changed.
2661 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2663 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
2664 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
2666 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
2668 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
2670 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
2671 * pa/t-pa64: Delete quadlib.c rule.
2672 * pa/x-ada: Revert last change.
2673 * pa/t-pa: Revert last change. Delete quadlib.c rule.
2675 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2677 PR rtl-optimization/26087
2678 * rtlanal.c (canonicalize_condition): Do not cross basic block
2681 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
2684 * config/ia64/ia64.c: Include debug.h.
2685 (MAX_ARTIFICIAL_LABEL_BYTES): New.
2686 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
2687 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
2688 (process_epilogue, process_set, process_for_unwind_directive):
2689 Output unwind info only if requested. Add CFA info if requested.
2690 Add new arguments as needed. Adjust callers.
2691 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
2693 (DWARF2_FRAME_INFO): Define to zero.
2694 * config/ia64/unwind-ia64.c: Remove code that compensated for
2695 the CFA offset error fixed above.
2696 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
2697 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
2698 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
2699 -funwind-tables and -fexceptions to enable frame info.
2700 (dwarf2out_frame_init): Define initial CFA even if
2701 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
2702 DWARF2_UNWIND_INFO is nonzero, not just defined.
2703 (dwarf2out_frame_finish): Output non-EH call frame info only
2704 if DWARF2_FRAME_INFO is nonzero.
2705 (convert_cfa_to_loc_list,
2706 compute_frame_pointer_to_cfa_displacement): Define even if
2707 unwind info is not supported.
2708 (gen_subprogram_die): Use the above unconditionally. Remove
2709 legacy alternate code.
2710 * toplev.c (compile_file): Compile in call to
2711 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
2712 (lang_dependent_init): Ditto for dwarf2out_frame_init.
2714 2006-02-04 David Edelsohn <edelsohn@gnu.org>
2715 Jakub Jelinek <jakub@redhat.com>
2717 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
2718 IBM extended float format long double as "g" on powerpc*-linux.
2720 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2723 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
2724 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
2726 2006-02-03 Jason Merrill <jason@redhat.com>
2729 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
2732 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
2733 on the return slot if it's an NRV.
2735 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
2737 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
2738 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
2739 rewrite_use): Do not handle USE_OUTER.
2740 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
2741 add_iv_outer_candidates, may_replace_final_value,
2742 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
2743 (find_interesting_uses_op): Functionality of
2744 find_interesting_uses_outer_or_nonlin moved here.
2745 (find_interesting_uses_outside): Use find_interesting_uses_op.
2747 2006-02-03 Alan Modra <amodra@bigpond.net.au>
2750 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
2752 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
2753 Ulrich Weigand <uweigand@de.ibm.com>
2756 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
2757 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
2758 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
2759 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
2761 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
2762 (s390_rtx_costs): Use the new fields to calculate rtx costs.
2763 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
2764 Define secondary reloads for TFmode moves.
2765 (constant_modes): Add TFmode.
2766 (NR_C_MODES): Set to 8.
2767 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
2769 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
2770 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
2771 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
2772 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
2773 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
2774 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
2775 (FPR mode macro): Add TFmode.
2776 (DSF mode macro): New.
2777 (<de>, <dee> mode attributes): Removed.
2778 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
2779 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
2780 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
2781 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
2782 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
2783 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
2784 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
2785 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
2786 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
2787 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
2788 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
2789 "*negabs<mode>2", "sqrt<mode>2"):
2790 Changed <de> to <xde>. R constraint replaced by <Rf>.
2791 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
2793 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
2794 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
2795 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
2797 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
2798 "extenddftf2", "extendsftf2"): New expanders.
2799 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
2800 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
2801 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
2802 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
2804 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
2805 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
2806 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
2807 __floatditf): Add a GCC_4.1.0 symbol version tag.
2808 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
2811 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
2814 * config/i386/i386.c (ix86_function_ok_for_sibcall):
2815 Use targetm.binds_local_p instead of TREE_PUBLIC.
2817 2006-02-02 Roger Sayle <roger@eyesopen.com>
2819 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
2820 on INTEGER_TYPEs to indicate that it denotes a character type.
2821 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
2822 signed_char_type_node, unsigned_char_type_node and char_type_node.
2823 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
2824 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
2825 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
2827 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
2828 Daniel Berlin <dberlin@dberlin.org>
2830 * tree-tailcall.c (arg_needs_copy_p): New function.
2831 (eliminate_tail_call): Use arg_needs_copy_p.
2832 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
2833 (add_virtual_phis): New function.
2835 2006-02-02 Jakub Jelinek <jakub@redhat.com>
2837 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
2838 #ignore instead of #scratch for %g7 .register directive.
2840 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
2842 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
2845 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2847 * flow.c (calculate_global_regs_live): Assert that there aren't any
2850 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
2852 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
2854 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
2855 bsi_after_labels iterator.
2856 * tree-if-conv.c (find_phi_replacement_condition,
2857 replace_phi_with_cond_modify_expr): Likewise.
2858 * tree-scalar-evolution.c (scev_const_prop): Likewise.
2859 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
2861 2006-02-02 Diego Novillo <dnovillo@redhat.com>
2863 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
2865 2006-02-02 Diego Novillo <dnovillo@redhat.com>
2868 * tree-cfg.c (move_block_to_fn): Clear out the basic block
2869 array after growing it.
2871 2006-02-01 Steve Ellcey <sje@cup.hp.com>
2874 * fold-const.c (fold_checksum_tree): Change type of buf.
2876 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
2878 * reload.c (push_secondary_reload): Initialize t_icode.
2880 2006-02-01 Jakub Jelinek <jakub@redhat.com>
2882 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
2883 -msoft-float -mlong-double-128 only issue a warning, but don't
2884 swich to DFmode long double.
2886 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
2888 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
2889 has a constant equivalent, iterate over equivalents for arg0,
2890 calling simplify_relational_operation and if there's a result
2891 cheaper than X, apply fold_rtx and return the result.
2893 2006-02-01 Jan Hubicka <jh@suse.cz>
2895 * opts.c (no_unit_at_a_time_default): New global variable.
2896 (decode_options): Use it.
2897 * opts.h (no_unit_at_a_time_default): Declare.
2899 2006-02-01 Paul Brook <paul@codesourcery.com>
2901 * function.c (assign_parm_setup_reg): Use function argument promotion
2903 * expr.c (expand_expr_real_1): Use function argument promotion rules
2906 2006-02-01 Steve Ellcey <sje@cup.hp.com>
2908 * gcc.c (process_command): Change j to 'unsigned int'.
2910 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2913 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
2914 Use the corrected index for the character
2915 out of the string constant.
2917 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2919 * mode-switching.c (optimize_mode_switching): Fix size
2920 allocated for bb_info[n_entities].
2922 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2924 * gcc.c (main): Correct type that is allocated for
2925 explicit_link_files.
2927 2006-01-31 Jakub Jelinek <jakub@redhat.com>
2929 * config/s390/s390.c (init_alignment_context): Set
2930 ALIAS_SET_MEMORY_BARRIER on the MEM.
2931 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
2933 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
2936 * loop-unroll.c (unroll_loop_runtime_iterations): Free
2938 * tree-ssa-live.c (type_var_init): Allocate bitmap after
2941 2006-01-31 Marcin Dalecki <martin@dalecki.de>
2943 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
2944 * regrename.c: Ditto.
2945 * tree-ssa-loop-im.c: Ditto.
2946 * tree-dump.c: Ditto.
2947 * tree-complex.c: Ditto.
2948 * genrecog.c: Ditto.
2949 * tree-ssa-threadupdate.c: Ditto.
2951 * java/class.c: Ditto.
2952 * java/jcf-parse.c: Ditto.
2953 * java/resource.c: Ditto.
2954 * java/except.c: Ditto.
2955 * java/jvspec.c: Ditto.
2956 * java/jcf-write.c: Ditto.
2957 * java/jcf-path.c: Ditto.
2958 * java/gjavah.c: Ditto.
2959 * java/zextract.c: Ditto.
2960 * java/jcf-io.c: Ditto.
2961 * java/jcf.h: Ditto.
2962 * java/buffer.c: Ditto.
2963 * java/lang.c: Ditto.
2964 * java/parse-scan.y: Ditto.
2965 * java/lex.c: Ditto.
2966 * java/lex.h: Ditto.
2967 * cfgloopmanip.c: Ditto.
2968 * postreload-gcse.c: Ditto.
2969 * tree-ssa-loop-manip.c: Ditto.
2970 * postreload.c: Ditto.
2971 * tree-ssa-loop-ch.c: Ditto.
2975 * diagnostic.c: Ditto.
2977 * genoutput.c: Ditto.
2979 * cfghooks.c: Ditto.
2980 * cfgloopanal.c: Ditto.
2981 * objc/objc-act.c: Ditto.
2983 * genextract.c: Ditto.
2984 * genautomata.c: Ditto.
2985 * pretty-print.c: Ditto.
2987 * cgraphunit.c: Ditto.
2990 * haifa-sched.c: Ditto.
2991 * dominance.c: Ditto.
2993 * tree-ssa-loop-ivopts.c: Ditto.
2995 * mode-switching.c: Ditto.
2996 * modulo-sched.c: Ditto.
2998 * ipa-pure-const.c: Ditto.
3000 * fix-header.c: Ditto.
3002 * tree-stdarg.c: Ditto.
3003 * ipa-utils.c: Ditto.
3004 * loop-init.c: Ditto.
3005 * ipa-inline.c: Ditto.
3008 * alloc-pool.c: Ditto.
3009 * dwarf2out.c: Ditto.
3011 * genattrtab.c: Ditto.
3012 * tree-ssa-loop-ivcanon.c: Ditto.
3016 * fortran/gfortranspec.c: Ditto.
3018 * local-alloc.c: Ditto.
3019 * langhooks.c: Ditto.
3020 * function.c: Ditto.
3021 * tree-vectorizer.c: Ditto.
3023 * ipa-type-escape.c: Ditto.
3025 * tree-if-conv.c: Ditto.
3028 * tree-data-ref.c: Ditto.
3029 * loop-unroll.c: Ditto.
3030 * treelang/treetree.c: Ditto.
3033 * ggc-common.c: Ditto.
3035 * coverage.c: Ditto.
3037 * tree-cfgcleanup.c: Ditto.
3038 * tree-ssa-pre.c: Ditto.
3039 * cfgcleanup.c: Ditto.
3040 * loop-invariant.c: Ditto.
3042 * ipa-prop.c: Ditto.
3043 * print-tree.c: Ditto.
3044 * conflict.c: Ditto.
3045 * ggc-page.c: Ditto.
3046 * sched-deps.c: Ditto.
3047 * regclass.c: Ditto.
3048 * tree-object-size.c: Ditto.
3050 * bb-reorder.c: Ditto.
3051 * resource.c: Ditto.
3052 * var-tracking.c: Ditto.
3054 * df-problems.c: Ditto.
3055 * reg-stack.c: Ditto.
3058 * sched-rgn.c: Ditto.
3059 * tree-ssa-structalias.c: Ditto.
3060 * tree-ssa-reassoc.c: Ditto.
3061 * config/darwin-c.c: Ditto.
3062 * config/darwin.c: Ditto.
3063 * config/arm/arm.c: Ditto.
3065 * collect2.c: Ditto.
3068 2006-01-31 Nicolas Pitre <nico@cam.org>
3070 * arm.md (smaxsi3): Make aware of smax_m1.
3073 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
3075 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
3077 2006-01-31 Richard Guenther <rguenther@suse.de>
3079 * doc/invoke.texi (-msselibm): Document.
3080 * target.h (expand_library_builtin): New target hook.
3081 * builtins.c (expand_builtin): Use expand_library_builtin.
3082 (default_expand_library_builtin): New function.
3083 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3084 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3085 (link_gcc_math_spec): Declare.
3086 (static_specs): Add link_gcc_math_spec.
3087 * expr.h (default_expand_library_builtin): Declare.
3088 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3089 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3090 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3091 * config/i386/i386.opt (msselibm): New target option.
3092 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3093 (ix86_init_sse_abi_builtins): New function.
3094 (ix86_expand_library_builtin): Likewise.
3095 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3096 (override_options): Handle error conditions wrt -msselibm.
3097 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3098 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3099 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3102 2006-01-31 Richard Guenther <rguenther@suse.de>
3103 Paolo Bonzini <bonzini@gnu.org>
3105 * doc/install.texi (--disable-libgcc-math): Document.
3107 2006-01-30 Marcin Dalecki <martin@dalecki.de>
3109 * expr.h (expand_normal): new inline function.
3110 * builtins.c: use it, use EXPAND_NORMAL explicitely.
3112 * dwarf2out.c: use it.
3117 * config/sparc/sparc.c: use it.
3118 * config/i386/i386.c: use it.
3119 * config/rs6000/rs6000.c: use it.
3120 * config/arm/arm.c: use it.
3121 * config/mips/mips.c: use it.
3122 * stmt.c: use it, use EXPAND_NORMAL explicitely.
3124 2006-01-30 Roger Sayle <roger@eyesopen.com>
3126 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
3127 argv to the appropriate type.
3129 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
3131 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
3134 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
3137 * config/s390/s390.c (struct machine_function): New flag
3138 decomposed_literal_pool_addresses_ok_p.
3139 (s390_reorg): Set it before final stage of literal pool transforms.
3140 (s390_decompose_address): Only accept displacements of the form
3141 (minus (label_ref ...) (label_ref ...)) if that flag is set.
3143 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
3145 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
3146 the comparison routine return.
3148 2006-01-30 Michael Matz <matz@suse.de>
3150 * global.c (find_reg): Only evict for global regs.
3151 Take n_refs into account and dump more info.
3153 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
3156 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
3157 (pragma_trap, pragma_nosave_low_regs): Likewise.
3158 (current_function_anonymous_args): Likewise.
3159 (sh_deferred_function_attributes): New variable.
3160 (sh_deferred_function_attributes_tail): Likewise.
3161 (print_operand): For '@', look up trap_exit attribute.
3162 (calc_live_regs): Look up trapa_handler attribute. For trapa
3163 handlers, save/restore fpscr, but don't do any other
3164 interrupt-specific saves.
3165 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
3166 Fix check for partially saved registers to check for SHmedia.
3167 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
3168 (sh_output_function_epilogue): Don't clear any of the removed
3170 (sh_insert_attributes): Don't check pragma_interrupt.
3171 Insert deferred attributes. Check that interrupt attribute is
3172 present for other attributes that require its presence.
3173 (sh_attribute_table): Add new attributes trapa_handler and
3175 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
3176 Don't check for pragma_interrupt. Don't store argument.
3177 * sh.h (pragma_interrupt, sp_switch): Don't declare.
3178 (sh_deferred_function_attributes): Declare.
3179 (sh_deferred_function_attributes_tail): Likewise.
3180 * sh.md (sp_switch_1): Add operand. Change generator caller.
3181 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
3182 (*return_i): Don't use when trap_exit attribute is in effect.
3183 (*return_trapa): New insn pattern.
3185 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
3186 setting c_target_objs and cxx_target_objs.
3187 * t-sh: Add rule for sh-c.o.
3189 2006-01-30 Richard Guenther <rguenther@suse.de>
3192 * gimplify.c (gimplify_target_expr): Handle easy cases
3193 without creating a temporary.
3195 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
3197 * vec.h (safe_grow): Remove duplicated line.
3199 2006-01-29 Diego Novillo <dnovillo@redhat.com>
3202 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
3203 (expand_omp): ... here.
3204 (expand_omp_parallel): Only remove barriers for combined
3205 parallel+workshare constructs.
3207 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
3211 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3212 * tree.c (build_qualified_type): Chain the new type to the original
3213 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3214 a POINTER_TYPE or a REFERENCE_TYPE respectively.
3215 (build_pointer_type_for_mode): Only return unqualified types.
3216 (build_reference_type_for_mode): Likewise.
3218 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
3220 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
3221 * Makefile.in (CXX_COMPAT_WARN): Define.
3222 * configure: Regenerate.
3224 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
3227 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
3230 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3232 * toplev.c: Fix thinko.
3234 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3235 Marcin Dalecki <martin@dalecki.de>
3237 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
3238 (push_srcloc): Use XNEW.
3239 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
3241 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3243 * df-core.c (df_set_blocks): Deleted all variable.
3245 2006-01-28 Ian Lance Taylor <ian@airs.com>
3247 * cgraphunit.c (cgraph_assemble_pending_functions): Call
3248 cgraph_output_pending_asms.
3250 2006-01-28 Zack Weinberg <zackw@panix.com>
3252 * c.opt: Add -W(no-)overlength-strings.
3253 * doc/invoke.texi: Document it.
3254 * c-opts.c (c_common_handle_option): -pedantic implies
3255 -Woverlength-strings, if not explicitly disabled already.
3256 (c_common_post_options): -Woverlength-strings defaults to off, and
3257 is always off for C++.
3258 * c-common.c (fix_string_type): Issue warning about strings longer
3259 than is portable only if warn_overlength_strings. Rearrange code
3260 a little for clarity.
3261 * configure.in: Check for -Wno-overlength-strings as well before
3262 enabling -pedantic in stage 1.
3263 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
3264 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
3266 * genconditions.c (write_header, write_one_condition)
3267 (write_conditions, write_writer): Consolidate very long strings
3268 that were broken up to fit in C89 portable limit. Don't use
3269 printf when fputs will do.
3271 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
3273 * combine.c (simplify_comparison <AND>): Check
3274 TRULY_NOOP_TRUNCATION before start using a subreg.
3276 * config/mips/mips.md (*branch_zero<mode>,
3277 *branch_zero<mode>_inverted, *branch_equality<mode>,
3278 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
3279 Remove mode check from comparisons.
3281 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
3283 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
3285 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3287 * expmed.c (const_mult_add_overflow_p): Remove.
3288 * expr.h: Remove the prototype for const_mult_add_overflow_p.
3290 * recog.c (validate_replace_rtx_subexp): Remove.
3291 * recog.h: Remove the prototype for
3292 validate_replace_rtx_subexp.
3294 * integrate.h: Remove the prototype for
3295 copy_decl_for_inlining.
3296 * rtl.h: Remove the prototype for mark_constant_function.
3297 * tree-vectorizer.h: Remove the prototype for
3298 vect_strip_conversion.
3300 * modulo-sched.c (create_partial_schedule,
3301 free_partial_schedule, reset_partial_schedule): Make them
3304 * hooks.c (hook_bool_rtx_int_false): Remove.
3305 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
3307 2006-01-28 David Edelsohn <edelsohn@gnu.org>
3309 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3310 and -mlong-double-128 are incompatible.
3311 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
3312 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
3313 (TARGET_LIBGCC2_CFLAGS): Define.
3314 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
3315 (TARGET_LIBGCC2_CFLAGS): Same.
3316 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
3318 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3321 * c-typeck.c (build_binary_op): Perform implicit casts of
3322 operands before shortening them.
3324 * cfgloopmanip.c (split_loop_bb): Remove.
3325 * cfgloop.h: Remove the prototype for split_loop_bb.
3327 * cfgloop.c (flow_loop_outside_edge_p): Remove.
3328 * cfgloop.h: Remove the prototype for
3329 flow_loop_outside_edge_p.
3331 * emit-rtl.c (init_virtual_regs): Make it static.
3332 * function.h: Remove the prototype for init_virtual_regs.
3334 * recog.c (peephole2_optimize): Make it static.
3335 * recog.h: Remove the prototype for peephole2_optimize.
3337 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3339 * df-scan.c (df_record_entry_block_defs): Check if
3340 INCOMING_RETURN_ADDR_RTX is defined.
3342 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
3343 Kenneth Zadeck <zadeck@naturalbridge.com>
3345 PR rtl-optimization/24762
3346 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3347 * targhooks.c (hook_void_bitmap): New hook prototype.
3348 * targhoohs.h (hook_void_bitmap): Ditto.
3349 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
3350 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
3351 * target.h (live_on_entry): New function pointer.
3352 * df-scan.c (df_all_hard_regs): Removed.
3353 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
3354 (df_scan_free_internal): Added df->entry_block_defs.
3355 (df_scan_alloc): Ditto.
3356 (df_scan_dump): Ditto.
3357 (df_uses_record): Plumbed flag field properly thru calls.
3358 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
3359 This part fixes PR24762.
3360 (df_bb_refs_record): Added code to make the frame and arg
3361 pointers live in EH blocks.
3362 (df_refs_record): Added call to df_record_entry_block_defs.
3363 (df_record_entry_block_defs): New function.
3364 * df-core.c: Added comments to describe new artifical defs.
3365 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
3366 (entry_block_defs): New field in struct df.
3367 (df_all_hard_regs): Deleted.
3368 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3369 * df-problems.c (df_ru_bb_local_compute_process_def):
3370 Added code to handle artifical defs in the entry to a function.
3371 (df_ru_bb_local_compute): Ditto.
3372 (df_rd_bb_local_compute_process_def): Ditto.
3373 (df_rd_bb_local_compute): Ditto.
3374 (df_lr_bb_local_compute): Ditto.
3375 (df_ur_bb_local_compute): Ditto.
3376 (df_urec_bb_local_compute): Ditto.
3377 (df_chain_create_bb): Ditto.
3378 (df_ur_local_finalize): Removed entry.
3379 (df_urec_init): Ditto.
3380 (df_urec_local_finalize): Ditto.
3381 (df_ri_bb_compute): Added detection of last use of pseudos.
3382 * Makefile.in (df-scan.o): Updated dependencies.
3383 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
3384 * config/mips/mips.c (mips_set_live_on_entry): Added.
3385 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
3387 * dce.c (marked_insn_p): Added code to handle artifical defs.
3389 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3391 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
3393 (_mm_cvtsi128_si64): Likewise.
3394 (_mm_cvtsd_si64): Likewise.
3395 (_mm_cvttsd_si64): Likewise.
3396 (_mm_cvtsi64_sd): Likewise.
3397 (_mm_cvtsi64_si128): Likewise.
3398 * config/i386/mmintrin.h (_m_from_int64): Likewise.
3399 (_mm_cvtsi64_m64): Likewise.
3400 (_m_to_int64): Likewise.
3401 (_mm_cvtm64_si64): Likewise.
3402 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
3403 (_mm_cvttss_si64): Likewise.
3404 (_mm_cvtsi64_ss): Likewise.
3405 (_mm_cvtss_f32): Likewise.
3407 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
3409 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
3410 for pragma redefine_extname.
3412 2006-01-27 Jakub Jelinek <jakub@redhat.com>
3415 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
3416 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
3417 -mno-minimal-toc to previous content.
3418 (bispecs): Remove goal.
3419 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
3420 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
3421 compatibility aliases on powerpc-*-*gnu*.
3422 * config/rs6000/libgcc-ppc-glibc.ver: New file.
3423 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
3424 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
3425 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
3426 (ldblspecs): New goal.
3427 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
3428 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
3430 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
3431 L_sf_to_tf or L_df_to_tf is defined.
3433 2006-01-27 David Edelsohn <edelsohn@gnu.org>
3434 Alan Modra <amodra@bigpond.net.au>
3437 * config/rs6000/linux.h (POWERPC_LINUX): Define.
3438 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
3439 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
3440 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
3441 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
3442 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
3443 (rs6000_override_options): Initialize rs6000_ieeequad.
3444 Initialize TFmode format to ibm_extended_format if not
3446 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
3448 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
3449 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
3450 (function_arg_advance): IBM long double passed in two FPRs, not
3452 (function_arg): IBM long double passed in FPRs.
3453 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
3454 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
3455 Only multireg GPR aligned.
3456 (rs6000_init_libfuncs): Enable IBM long double functions if not
3458 (rs6000_generate_compare): Use IBM long double compare if not
3460 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
3461 (TARGET_IEEEQUAD): Define.
3462 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
3463 not TARGET_IEEEQUAD.
3464 * config/rs6000/rs6000.md: Enable TFmode patterns if
3466 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
3467 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3468 and -mlong-double-128 are incompatible.
3469 * doc/invoke.texi (-mabi): Collect options together. Add
3470 ibmlongdouble and ieeelongdouble.
3472 2006-01-27 Richard Sandiford <richard@codesourcery.com>
3474 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
3476 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
3477 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
3478 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
3479 * rtl.h (rtunion_def): Remove rt_ptr.
3481 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
3482 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
3483 * config/i386/winnt.c (i386_pe_mark_dllexport)
3484 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
3486 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
3488 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
3490 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3494 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
3495 pthread_key_delete. From John David Anglin. gthrw-ify
3496 pthread_getunique_np only if it it's not a macro. Delete
3498 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
3499 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
3500 __gthread_objc_condition_signal, __gthread_key_delete): Add
3501 "__attribute__ ((__unused__))" to unused arguments.
3502 (__gthread_recursive_mutex_init_function): Add missing return.
3503 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
3504 gthr-posix95.h: Use macro-based approach for name redirection
3505 on targets missing weakref.
3507 2006-01-26 Zack Weinberg <zackw@panix.com>
3509 * genconditions.c (write_header): In generated code, #ifdef out
3510 all includes and fake declarations, except includes of bconfig.h
3511 and system.h, unless GCC_VERSION >= 3001. Do not include
3512 gensupport.h in any case.
3513 (write_conditions): Generate a definition of struct c_test. Add
3514 a comment to the generated #endif.
3515 (write_one_condition): Escape backslashes in string too.
3516 (write_writer): Generated code must escape backslashes and quote
3517 marks (but not newlines) in the strings it writes.
3518 * Makefile.in (build/gencondmd.o): Update dependencies.
3520 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3523 * Makefile.in (insn-automata.o): Add header file dependencies.
3524 * genautomata.c: Add includes.
3526 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3529 * Makefile.in (insn-automata.o): Add -Wno-error flag.
3531 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3533 * configure.ac: Expect target tools paths to be passed from the toplevel
3534 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
3536 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
3538 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3541 * c.opt (Wpointer-sign): Init to -1.
3542 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
3543 OPT_pedantic, to 0 otherwise.
3544 * doc/invoke.texi: Update.
3546 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3548 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
3549 constants provided by 80387 instructions in the destination mode.
3551 2006-01-26 Richard Guenther <rguenther@suse.de>
3552 Andrew Pinski <pinskia@physics.uc.edu>
3555 partial PR tree-opt/17064
3556 * tree-ssa-structalias.c (intra_create_variable_infos):
3557 Create heap variables for incoming parameters if
3558 flag_argument_noalias > 1.
3559 (find_what_p_points_to): Look through default defs of
3562 2006-01-26 Jeff Law <law@redhat.com>
3565 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
3566 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
3567 within the VR_RANGE, use the VR_RANGE as the result, not the
3569 (adjust_range_with_scev): Reject ranges from SCEV which are out of
3570 bounds for the type.
3572 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
3574 * tree-ssa-alias.c (maybe_create_global_var): Change
3575 subvar walking to an assertion that we don't have subvar'd variables.
3577 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
3580 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
3581 Use a new variable, inner. PARM_DECLs are always non-weak.
3583 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
3585 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
3588 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
3590 * config/mips/mips.md (*clear_upper32): New combiner pattern.
3592 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
3594 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
3595 (smax_insn, smin_insn, smax_0, smin_0): New.
3597 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
3600 * config/cris/cris.c (cris_order_for_addsi3): New function.
3601 * config/cris/cris-protos.h: Prototype it.
3602 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
3603 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
3604 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
3605 (split for "op.S1 [rx=rx+i],ry (swapped)")
3606 (split for "op(s|u).S1 [rx=rx+i],ry")
3607 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
3608 Apply cris_order_for_addsi3 when generating addsi3 insns.
3610 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3612 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
3613 (TREE_BLOCK): Add call to EXPR_CHECK.
3615 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3618 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
3619 * tree-pretty-print.c (dump_omp_clause): Extract from ...
3620 (dump_omp_clauses): ... here.
3621 (dump_generic_node): Handle OMP_CLAUSE.
3622 * tree.c (omp_clause_num_ops): New.
3623 (omp_clause_code_name): New.
3624 (tree_code_size): Handle OMP_CLAUSE.
3625 (tree_size): Likewise.
3626 (make_node): Document handling of OMP_CLAUSE.
3627 (tree_node_structure): Handle OMP_CLAUSE.
3628 (omp_clause_check_failed): New.
3629 (omp_clause_range_check_failed): New.
3630 (omp_clause_operand_check_failed): New.
3631 (build_omp_clause): New.
3632 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
3633 * tree.h (enum omp_clause_code): Declare.
3634 (OMP_CLAUSE_SUBCODE_CHECK): Define.
3635 (OMP_CLAUSE_RANGE_CHECK): Define.
3636 (OMP_CLAUSE_ELT_CHECK): Define.
3637 (omp_clause_check_failed): Declare.
3638 (omp_clause_operand_check_failed): Declare.
3639 (omp_clause_range_check_failed): Declare.
3640 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
3641 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
3642 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
3643 (OMP_CLAUSE_LASTPRIVATE): Likewise.
3644 (OMP_CLAUSE_IF_EXPR): Likewise.
3645 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
3646 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
3647 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
3648 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
3649 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
3650 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
3651 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
3652 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
3653 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
3654 (OMP_CLAUSE_CODE): Define.
3655 (OMP_CLAUSE_SET_CODE): Define.
3656 (OMP_CLAUSE_CODE): Define.
3657 (OMP_CLAUSE_OPERAND): Define.
3658 (struct tree_omp_clause): Declare.
3659 (union tree_node): Add field 'omp_clause'.
3660 * treestruct.def (TS_OMP_CLAUSE): Define.
3661 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
3662 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
3663 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
3664 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
3665 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
3666 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
3667 (OMP_CLAUSE): Define.
3668 * print-tree.c (print_node): Handle OMP_CLAUSE.
3669 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
3670 * c-typeck.c: Likewise.
3671 * gimplify.c: Likewise.
3672 * c-omp.c: Likewise.
3673 * tree-nested.c: Likewise.
3674 * tree-inline.c: Likewise.
3675 * c-parser.c: Likewise.
3676 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
3679 2006-01-25 Roger Sayle <roger@eyesopen.com>
3681 PR rtl-optimization/25703
3682 * combine.c (try_combine): Handle zero_extract and strict_low_part
3683 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
3685 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
3687 * global.c: Fix comment typos.
3689 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
3692 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
3693 Use output_addr_const instead of assemble_name.
3695 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
3697 * Makefile.in (sched-vis.o): Update dependencies.
3698 * haifa-sched.c (sched_finish): Clear current_sched_info.
3699 * cfg.c (dump_bb_info): New, split from dump_flow_info.
3700 (dump_flow_info): Call it.
3701 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
3703 * basic-block.h (dump_bb_info): Declare.
3704 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
3705 option, and apply options only for dump files whose TDF_RTL,
3706 TDF_TREE, or TDF_IPA bits match.
3707 * rtl.h: Declare new functions exported from sched-vis.c.
3708 * sched-vis.c: Enable also if scheduling is not used.
3709 (print_value): Print the mode of registers if not inside scheduling.
3710 (print_insn): Make it work outside the scheduler. Beautify the output
3712 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
3714 2006-01-25 Richard Sandiford <richard@codesourcery.com>
3716 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
3717 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
3718 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
3719 depending on the value of CONSTANT_POOL_ADDRESS_P.
3720 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
3722 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
3723 rather than SYMBOL_REF_DECL.
3724 (rtx_constant_pool): Remove const_rtx_sym_htab.
3725 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
3726 (init_varasm_status): Don't initialize const_rtx_sym_htab.
3727 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
3728 Remove handling of const_rtx_sym_htab.
3729 (find_pool_constant): Delete.
3730 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
3731 rather than find_pool_constant.
3732 (get_pool_constant_for_function): Delete.
3733 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
3735 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
3736 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
3737 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
3738 (SYMBOL_REF_CONSTANT): New macro.
3739 (get_pool_constant_for_function): Delete.
3740 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
3741 rather than SYMBOL_REF_DECL.
3742 (i386_pe_mark_dllimport): Likewise.
3743 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
3744 rather than SYMBOL_REF_DECL.
3745 * config/darwin.c (machopic_indirect_data_reference): Likewise.
3746 (machopic_indirect_call_target): Likewise.
3748 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
3750 * flow.c (delete_noop_moves): Add missing EOL to dump message.
3752 2006-01-25 Richard Sandiford <richard@codesourcery.com>
3754 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
3756 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
3758 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
3760 2006-01-24 David Daney <ddaney@avtrex.com>
3763 * configure.ac (enable_tls): New enable option.
3764 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
3765 * configure: Regenerate.
3766 * doc/install.texi (--enable-tls): Document new option.
3767 (--disable-tls): Ditto.
3769 2006-01-24 Richard Henderson <rth@redehat.com>
3771 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
3772 * alias.c (true_dependence): Respect it.
3773 (canon_true_dependence, write_dependence_p): Likewise.
3774 * builtins.c (get_builtin_sync_mem): Set it.
3776 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
3778 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
3781 2006-01-24 DJ Delorie <dj@redhat.com>
3783 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
3784 for storing constants in single-bit bitfields.
3786 2006-01-25 Ben Elliston <bje@au.ibm.com>
3788 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
3790 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
3793 * tree-ssa-pre.c (phi_translate): Return NULL
3794 for AGGREGATE_TYPE's.
3796 2006-01-24 Zack Weinberg <zackw@panix.com>
3798 * genautomata.c (process_state_for_insn_equiv_partition):
3799 Use xcalloc for insn_arcs_array.
3800 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
3801 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
3803 2006-01-24 Richard Henderson <rth@redhat.com>
3805 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
3808 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
3810 PR rtl-optimization/25890
3811 PR rtl-optimization/25905
3812 * combine.c (expand_compound_operation, expand_field_assignment):
3813 Fail if the bitfield's final position is out of bounds.
3815 2006-01-24 Ian Lance Taylor <ian@airs.com>
3818 * cgraphunit.c (cgraph_output_in_order): Don't clear
3819 cgraph_asm_nodes until after asm strings have been output.
3821 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
3823 * fix-header.c (read_scan_file): Add new parameter imultilib when
3824 calling register_include_chains.
3826 2006-01-23 Diego Novillo <dnovillo@redhat.com>
3828 * omp-low.c: Update documentation.
3830 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
3831 Daniel Berlin <dberlin@dberlin.org>
3835 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
3836 return from the function.
3838 2006-01-22 Zack Weinberg <zackw@panix.com>
3840 * rtl.def (match_code): Add second argument.
3841 * genpreds.c (write_extract_subexp): New function.
3842 (write_match_code): Add path argument. Use write_extract_subexp.
3843 (write_predicate_expr): Pass path to write_match_code.
3844 (mark_mode_tests): MATCH_CODE applied to a subexpression does
3845 not perform a mode test.
3846 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
3847 a subexpression does not constrain the top-level code set.
3848 * read-rtl.c (read_rtx_variadic): New function.
3849 (read_rtx_1): Use it; allow AND and IOR to be variadic.
3850 * doc/md.texi: Document new notation.
3851 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
3852 (cmpsi_operand): ... here, using new notation.
3854 2006-01-22 Zack Weinberg <zackw@panix.com>
3856 * varray.c: Remove GENERATOR_FILE #ifdefs.
3858 2006-01-22 Zack Weinberg <zackw@panix.com>
3860 * genautomata.c (output_reserved_units_table): Emit nothing if
3861 description->query_units_num is zero. Remove extra blank line.
3862 (output_cpu_unit_reservation_p): Short circuit
3863 if description->query_units_num is zero.
3865 2006-01-22 Zack Weinberg <zackw@panix.com>
3867 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
3868 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
3869 nor any of the random handful of variables that used to be necessary
3870 when this program was linked with rtlanal.o. Prune set of forward
3871 function declarations.
3872 (struct attr_desc): Remove static_p field.
3873 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
3874 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
3875 (attr_string): Do not read the character one past the length of
3877 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
3878 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
3879 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
3880 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
3881 (make_automaton_attrs): New.
3882 (main): Do not call into genautomata. Call local gen_bypass
3883 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
3884 Remove special case for insn_alts.
3885 * genautomata.c: Include gensupport.h; not genattrtab.h nor
3886 varray.h (leftover from previous change). Prune set of forward
3887 function declarations. Remove state_alts fields from all
3888 structures. Remove state_alts_table from struct automaton.
3889 Make everything except main static. Do not maintain num_dfa_decls.
3890 Do not maintain state_alts fields of various structures.
3891 (process_decls): Don't validate condexp for dm_insn_reserv decls.
3892 (add_arc): Remove state_alts argument. All callers updated.
3893 (output_reserved_units_table): Emit #ifdef here...
3894 (output_tables): ...not here. Don't generate state_alts tables.
3895 (expand_automata): Don't generate attributes.
3896 (write_automata): Don't generate state_alts functions.
3897 (main): New function.
3898 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
3899 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
3900 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
3901 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
3902 (BYPASS_P_FUNC_NAME, output_state_alts_table)
3903 (output_automata_list_state_alts_code, output_internal_state_alts_func)
3904 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
3905 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
3907 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
3908 * genattrtab.h: Delete file.
3909 * Makefile.in (OBJS-common): Add insn-automata.o.
3910 (insn-automata.o): New rule.
3911 (simple_generated_c): Add insn-automata.c.
3912 (build/genattrtab.o, build/genautomata.o): Update dependencies.
3913 (genprogmd): Add automata.
3914 (build/genattrtab): Needs no extra objects nor libraries.
3915 (build/genautomata): Needs build/vec.o and -lm.
3917 2006-01-22 Zack Weinberg <zackw@panix.com>
3919 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
3920 (output_dfa_max_issue_rate, locked_states_num): Delete.
3921 (struct automaton): Add locked_states field.
3922 (output_dead_lock_vect): Save number of locked states in
3923 automaton->locked_states. If it is zero, don't print anything.
3924 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
3925 (output_internal_dead_lock_func): Only test the dead_lock_vect
3926 for automata that have locked states.
3927 (output_statistics): Always print the number of locked states for
3928 each automaton. Calculate total number of locked states here.
3929 (write_automata): Don't call output_dfa_max_issue_rate.
3930 * genattrtab.c: Define length_unit_log as a const variable.
3931 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
3932 max_insn_queue_index const.
3933 * final.c (length_unit_log): Declare const.
3934 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
3936 2006-01-22 Zack Weinberg <zackw@panix.com>
3938 * genautomata.c: Include vec.h, not varray.h.
3939 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
3940 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
3941 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
3942 VEC_* macros operating on appropriately typed vectors, or to
3943 malloced arrays when the size is known in advance. Const-ify
3944 many char* variables and function arguments. No functional changes.
3945 * Makefile.in (build/varray.o): Delete rule.
3946 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
3947 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
3949 2006-01-22 Zack Weinberg <zackw@panix.com>
3951 * gensupport.c: Define get_insn_name and record_insn_name here.
3952 (read_md_rtx): Call record_insn_name as appropriate.
3953 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
3954 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
3955 * genpreds.c, genrecog.c: Don't define get_insn_name nor
3957 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
3958 (BUILD_VARRAY): Delete.
3959 (genprognormal): Rename genprogmd. Fold in all programs from
3960 genprognoprint; also attrtab.
3961 (build/genattrtab): Just mention genautomata.o and varray.o.
3962 Reorganize a bit, add comments to make the categories clearer.
3964 2006-01-22 Zack Weinberg <zackw@panix.com>
3966 * genconditions.c (condition_table, add_condition): Delete.
3967 (write_conditions): Don't emit n_insn_conditions nor
3968 insn_elision_unavailable. Issue the gcc version #ifdef here,
3969 inside the table, with no #else clause ...
3970 (write_header): ...not here.
3971 (write_writer): New function.
3972 (main): Don't initialize condition_table. Use add_c_test.
3974 * gensupport.c (init_md_reader_args_cb): Handle multiple input
3975 files on the command line.
3976 (maybe_eval_c_test): Don't check insn_elision_unavailable.
3977 Return -1 if there is no entry in the table, don't abort.
3978 (add_c_test, traverse_c_tests): New functions.
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