1 2006-03-07 Richard Guenther <rguenther@suse.de>
3 PR tree-optimization/26587
4 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12 * hooks.c (hook_bool_mode_rtx_true): New function.
13 * hooks.h (hook_bool_mode_rtx_true): Declare.
14 * toplev.c (compile_file): Call output_shared_constant_pool.
15 * varasm.c (shared_constant_pool): New variable.
16 (assemble_start_function, assemble_end_function): Remove arguments
17 from call to output_constant_pool.
18 (create_constant_pool): New function, split out from...
19 (init_varasm_status): ...here.
20 (force_const_mem): Choose between the shared and per-function constant
21 pools. Set current_function_uses_const_pool when reusing old entries
22 as well as when creating new ones.
23 (mark_constant): Ignore data argument.
24 (mark_constants): Remove pool argument.
25 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
26 to decide whether the function uses a constant pool.
27 (output_constant_pool_contents): New function, split out from...
28 (output_constant_pool): ...here.
29 (output_shared_constant_pool): New function.
30 (init_varasm_once): Initialize shared_constant_pool.
31 * output.h (output_constant_pool): Delete.
32 (output_shared_constant_pool): Declare.
33 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
34 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
36 2006-03-06 Nick Clifton <nickc@redhat.com>
38 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
41 2006-03-06 Ben Elliston <bje@au.ibm.com>
43 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
44 x86_64-*-linux* configurations.
46 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
47 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
49 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
51 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
53 * basic-block.h: Remove the extern for
54 rediscover_loops_after_threading.
56 * cfgloop.c (cancel_loop): Make it static.
57 * cfgloop.h: Remove the prototype for cancel_loop.
59 * flow.c (recompute_reg_usage): Make it static.
60 * rtl.h: Remove the prototype for recompute_reg_usage.
62 * function.c (use_return_register): Make it static.
63 * function.h: Remove the prototype.
65 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
67 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
69 * recog.h: Remove the prototype for
70 validate_change_maybe_volatile.
72 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
74 * rtlanal.c (replace_reg): Remove.
75 * rtl.h: Remove the prototype for replace_reg.
77 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
79 * regclass.c (reg_scan_update): Remove.
80 (reg_scan_mark_refs): Remove the last argument.
81 * rtl.h: Remove the prototype for reg_scan_update.
83 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
85 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
86 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
87 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
88 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
89 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
90 loop-invariant.c, omp-low.c, opts.c, passes.c,
91 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
92 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
93 tree-ssa-structalias.c, tree-ssa-threadedge.c,
94 tree-ssa-threadupdate.c, tree-vect-patterns.c,
95 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
96 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
98 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
100 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
101 * dwarf2out.h: Remove the prototype for
102 dwarf2out_add_library_unit_info.
104 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
106 * tree.c (add_var_to_bind_expr): Remove.
107 * tree.h: Remove the prototype for add_var_to_bind_expr.
109 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
111 * regclass.c (n_non_fixed_regs): Remove.
112 (init_reg_sets_1, globalize_reg): Remove all uses of
114 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
116 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
118 * rtlanal.c (insns_safe_to_move_p): Remove.
119 * rtl.h: Remove the prototype for insns_safe_to_move_p.
121 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
123 * expmed.c (expand_mult_add): Remove.
124 * expr.h: Remove the prototype for expand_mult_add.
126 2006-03-04 Jakub Jelinek <jakub@redhat.com>
128 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
129 and REG_SAVED_VAL_EXP constants.
130 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
131 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
132 Handle regs stored by value.
133 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
134 (execute_cfa_program): Handle DW_CFA_val_offset,
135 DW_CFA_val_offset_sf and DW_CFA_val_expression.
136 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
137 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
138 (uw_install_context_1): Handle target regs stored by value.
140 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
142 * tree-sra.c (tree_sra): Return todoflags;
143 (generate_one_element): Set TODO_update_smt_usage if needed.
144 (pass_sra): Remove TODO_update_smt_usage.
145 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
147 (tree_ssa_forward_propagate_single_use_vars): Return
148 TODO_update_smt_usage if we need to update SMT usage.
149 (pass_forwprop): Remove TODO_update_smt_usage.
151 2006-03-03 Diego Novillo <dnovillo@redhat.com>
153 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
154 (correct_use_link): Remove reference to get_stmt_operands.
155 (update_stmt_operands): Likewise.
156 (get_modify_expr_operands): New function factored out of
157 parse_ssa_operands and get_expr_operands.
158 Try to create V_MUST_DEFs for LHS by default.
159 (get_expr_operands) <case MODIFY_EXPR>: Call
160 get_modify_expr_operands.
161 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
162 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
163 (parse_ssa_operands) <case MODIFY_EXPR>: Call
164 get_modify_expr_operands.
166 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
168 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
169 * tree-flow.h: Remove the prototype for
170 referenced_var_lookup_if_exists.
172 2006-03-03 Steve Ellcey <sje@cup.hp.com>
174 PR rtl-optimization/26345
176 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
178 2006-03-03 Roger Sayle <roger@eyesopen.com>
180 PR tree-optimization/26524
181 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
182 fold_convert to create a constant of the appropriate type.
184 2006-03-03 Richard Sandiford <richard@codesourcery.com>
186 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
187 SYMBOL_REF_IN_BLOCK_P.
188 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
189 of SYMBOL_FLAG_IN_BLOCK.
190 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
191 instead of SYMBOL_REF_IN_BLOCK_P.
192 * explow.c (use_anchored_address): Likewise.
193 * rtl.c (rtx_size): Likewise.
194 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
195 instead of SYMBOL_FLAG_IN_BLOCK.
196 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
197 SYMBOL_REF_IN_BLOCK_P.
198 (assemble_variable): Likewise.
199 (output_constant_def_contents): Likewise.
200 (output_constant_pool): Likewise.
201 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
202 instead of SYMBOL_FLAG_IN_BLOCK.
203 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
204 SYMBOL_REF_IN_BLOCK_P.
205 (SYMBOL_REF_BLOCK): Likewise.
206 (SYMBOL_REF_OFFSET): Likewise.
207 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
208 SYMBOL_REF_IN_BLOCK_P.
209 (SYMBOL_FLAG_IN_BLOCK): Replace with...
210 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
211 (SYMBOL_REF_IN_BLOCK_P): Replace with...
212 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
214 2006-03-03 Jakub Jelinek <jakub@redhat.com>
216 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
218 2006-03-02 Roger Sayle <roger@eyesopen.com>
220 * simplify-rtx.c (simplify_unary_operation): When simplifying
221 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
222 that we perform the right shift in the appropriate mode, and
223 then extend or truncate the result to requested mode.
225 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
227 * gengtype.c (main): Handle double_int type.
228 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
229 * double-int.c: New file.
230 * double-int.h: New file.
231 * system.h: Include doubleint.h.
232 * Makefile.in (SYSTEM_H): Include double-int.h.
235 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
238 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
241 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
243 * tree-vrp.c (remove_range_assertions): Do not update statements
246 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
248 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
250 * gcse.c (rest_of_handle_gcse): Ditto.
251 * except.c (gate_handle_eh): Ditto.
252 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
253 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
255 2006-03-02 Eric Christopher <echristo@apple.com>
257 * config/i386/i386.c (machopic_output_stub): Add indirection to
260 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
264 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
266 Sun Niagara specific optimizations.
267 * config.gcc: Recognize niagara as target.
268 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
269 (TARGET_CPU_niagara): Define.
270 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
271 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
272 (CPP_CPU_SPEC): Handle -mcpu=niagara.
273 (ASM_CPU_SPEC): Likewise.
274 (PROCESSOR_NIAGARA): New enum entry.
275 (REGISTER_MOVE_COST): Handle Niagara.
276 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
277 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
278 (sparc_override_options): Recognize "niagara", set appropriate
279 default MASK_* values for it, and align functions to 32-bytes
280 by default just like ULTRASPARC/ULTRASPARC3.
281 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
282 (sparc64_initialize_trampoline): Likewise.
283 (sparc_use_sched_lookahead): Use zero for niagara.
284 (sparc_issue_rate): Use one for niagara.
285 * config/sparc/niagara.md: New file.
286 * config/sparc/sparc.md: Include it.
287 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
288 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
289 when default cpu is niagara.
290 (CPP_CPU_SPEC): Handle -mcpu=niagara.
291 (ASM_CPU_SPEC): Likewise.
292 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
293 when default cpu is niagara.
294 (ASM_CPU_SPEC): Handle -mcpu=niagara.
295 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
296 just like v9/ultrasparc/ultrasparc3.
297 * doc/invoke.texi: Add documentation for "niagara" and improve
298 existing documentation for ultrasparc variants.
300 2006-03-02 Diego Novillo <dnovillo@redhat.com>
302 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
304 2006-03-02 Richard Sandiford <richard@codesourcery.com>
306 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
307 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
308 and say that only one is needed.
309 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
310 * target.h (have_switchable_bss_sections): New hook.
311 * explow.c (use_anchored_address): Check that the symbol is in a block.
312 * varasm.c (tls_comm_section, comm_section, lcomm_section)
313 (bss_noswitch_section): New variables.
314 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
315 (get_noswitch_section): New function.
316 (get_block_for_section): Allow SECT to be null.
317 (unlikely_text_section_p): Use SECTION_STYLE.
318 (bss_initializer_p): New function.
319 (get_variable_section): Move earlier in file. Take a new argument,
320 prefer_noswitch_p. Move bss checks from assemble_variable to here.
321 Return one of the new *_sections in such cases.
322 (get_block_for_decl): New function, extracting some logic from
323 use_blocks_for_decl_p.
324 (change_symbol_section): Remove in favor of...
325 (change_symbol_block): ...this new function.
326 (use_blocks_for_decl_p): Remove checks now performed by
328 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
329 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
330 (emit_local, emit_bss, emit_common): ...these new functions.
331 Return true if the alignment was honored.
332 (emit_tls_common): New function.
333 (asm_emit_uninitialised): Delete.
334 (assemble_variable_noswitch): New function, split out from...
335 (assemble_variable): ...here. Don't make decisions about common
336 variables here. Globalize all public decls that go into non-common
337 sections. Check whether SYMBOL_REF_BLOCK is null.
338 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
339 (output_constant_pool): Likewise.
340 (init_varasm_once): Initialize the new section variables.
341 (have_global_bss_p): New function.
342 (categorize_decl_for_section): Use bss_initializer_p.
343 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
344 (place_block_symbol): Assert that the symbol must be in a block.
345 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
346 (TARGET_INITIALIZER): Include it.
347 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
348 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
349 (SECTION_MACH_DEP): Bump by two.
350 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
351 (unnamed_section): Mention SECTION_UNNAMED in comment.
352 (named_section): Likewise SECTION_NAMED.
353 (noswitch_section_callback): New type.
354 (noswitch_section): New structure.
355 (section): Add a noswitch_section alternative.
356 (SECTION_STYLE): New macro.
357 (tls_comm_section, comm_section, lcomm_section): Declare.
358 (bss_noswitch_section, have_global_bss_p): Declare.
359 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
360 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
362 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
363 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
366 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
368 * gcc/tree-vrp.c (execute_vrp): Return value.
369 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
370 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
371 * gcc/tree-complex.c (tree_lower_complex): Ditto.
372 (tree_lower_complex_O0): Ditto.
373 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
374 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
375 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
376 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
377 (execute_tail_calls): Ditto.
378 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
379 * gcc/tree.h (init_function_for_compilation): Ditto.
380 * gcc/ipa-cp.c (ipcp_driver): Ditto.
381 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
382 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
383 * gcc/final.c (compute_alignments): Ditto.
384 (rest_of_handle_final): Ditto.
385 (rest_of_handle_shorten_branches): Ditto.
386 (rest_of_clean_state): Ditto.
387 * gcc/omp-low.c (execute_expand_omp): Ditto.
388 (execute_lower_omp): Ditto.
389 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
390 * gcc/ipa-reference.c (static_execute): Ditto.
391 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
392 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
393 (rest_of_handle_machine_reorg): Ditto.
394 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
395 * gcc/flow.c (recompute_reg_usage): Ditto.
396 (rest_of_handle_remove_death_notes): Ditto.
397 (rest_of_handle_life): Ditto.
398 (rest_of_handle_flow2): Ditto.
399 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
400 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
401 (do_ssa_store_ccp): Ditto.
402 (execute_fold_all_builtins): Ditto.
403 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
404 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
405 * gcc/ipa-pure-const.c (static_execute): Ditto.
406 * gcc/cse.c (rest_of_handle_cse): Ditto.
407 (rest_of_handle_cse2): Ditto.
408 * gcc/web.c (rest_of_handle_web): Ditto.
409 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
410 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
411 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
412 * gcc/tree-nrv.c (tree_nrv): Ditto.
413 (execute_return_slot_opt): Ditto.
414 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
415 (create_structure_vars): Ditto.
416 * gcc/loop-init.c (rtl_loop_init): Ditto.
417 (rtl_loop_done): Ditto.
418 (rtl_move_loop_invariants): Ditto.
419 (rtl_unswitch): Ditto.
420 (rtl_unroll_and_peel_loops): Ditto.
422 * gcc/gimple-low.c (lower_function_body): Ditto.
423 (mark_used_blocks): Ditto.
424 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
425 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
426 (cgraph_early_inlining): Ditto.
427 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
428 * gcc/jump.c (cleanup_barriers): Ditto.
429 (purge_line_number_notes): Ditto.
430 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
431 (rest_of_handle_if_after_reload): Ditto.
432 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
433 (tree_ssa_loop_im): Ditto.
434 (tree_ssa_loop_unswitch): Ditto.
435 (tree_vectorize): Ditto.
436 (tree_linear_transform): Ditto.
437 (tree_ssa_loop_ivcanon): Ditto.
438 (tree_ssa_empty_loop): Ditto.
439 (tree_ssa_loop_bounds): Ditto.
440 (tree_complete_unroll): Ditto.
441 (tree_ssa_loop_prefetch): Ditto.
442 (tree_ssa_loop_ivopts): Ditto.
443 (tree_ssa_loop_done): Ditto.
444 * gcc/predict.c (tree_estimate_probability): Ditto.
445 * gcc/recog.c (split_all_insns_noflow): Ditto.
446 (rest_of_handle_peephole2): Ditto.
447 (rest_of_handle_split_all_insns): Ditto.
448 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
449 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
450 (rest_of_handle_stack_adjustments): Ditto.
451 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
452 * gcc/function.c (instantiate_virtual_regs): Ditto.
453 (init_function_for_compilation): Ditto.
454 (rest_of_handle_check_leaf_regs): Ditto.
455 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
456 (rest_of_handle_gcse): Ditto.
457 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
458 * gcc/alias.c (rest_of_handle_cfg): Ditto.
459 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
460 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
461 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
462 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
463 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
464 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
465 * gcc/except.c (set_nothrow_function_flags): Ditto.
466 (convert_to_eh_region_ranges): Ditto.
467 (rest_of_handle_eh): Ditto.
468 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
469 (remove_unnecessary_notes): Ditto.
470 * gcc/except.h (set_nothrow_function_flags): Ditto.
471 (convert_to_eh_region_ranges): Ditto.
472 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
473 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
474 * gcc/tree-ssa-pre.c (do_pre): Ditto.
475 (execute_fre): Ditto.
476 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
477 (rest_of_handle_jump2): Ditto.
478 * gcc/tree-sra.c (tree_sra): Ditto.
479 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
480 (execute_mudflap_function_decls): Ditto.
481 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
482 (do_store_copy_prop): Ditto.
483 * gcc/ipa-prop.h (ipcp_driver): Ditto.
484 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
485 * gcc/tree-ssa-forwprop.c
486 (tree_ssa_forward_propagate_single_use_vars): Ditto.
487 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
488 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
489 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
490 (execute_late_warn_uninitialized): Ditto.
491 * gcc/rtl.h (cleanup_barriers): Ditto.
492 (split_all_insns_noflow): Ditto.
493 (purge_line_number_notes): Ditto.
494 (unshare_all_rtl): Ditto.
495 (remove_unnecessary_notes): Ditto.
496 (recompute_reg_usage): Ditto.
497 (variable_tracking_main): Ditto.
498 * gcc/integrate.c (emit_initial_value_sets): Ditto.
499 * gcc/integrate.h (emit_initial_value_sets): Ditto.
500 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
501 (execute_free_cfg_annotations): Ditto.
502 (execute_fixup_cfg): Ditto.
503 (execute_cleanup_cfg_pre_ipa): Ditto.
504 (execute_cleanup_cfg_post_optimizing): Ditto.
505 (execute_init_datastructures): Ditto.
506 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
507 * gcc/combine.c (rest_of_handle_combine): Ditto.
508 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
509 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
510 (rest_of_handle_reorder_blocks): Ditto.
511 (rest_of_handle_partition_blocks): Ditto.
512 * gcc/var-tracking.c (variable_tracking_main): Ditto.
513 * gcc/tree-profile.c (tree_profiling): Ditto.
514 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
515 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
516 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
517 (rest_of_handle_sched2): Ditto.
518 * gcc/basic-block.h (free_bb_insn): Ditto.
519 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
520 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
521 (remove_useless_stmts): Ditto.
522 (split_critical_edges): Ditto.
523 (execute_warn_function_return): Ditto.
524 (execute_warn_function_noreturn): Ditto.
525 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
526 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
527 * gcc/passes.c (execute_one_pass): Run additional
528 todos returned by execute function.
529 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
532 2006-03-02 Richard Guenther <rguenther@suse.de>
534 * tree-ssa-alias.c (find_used_portions): Consider taking
535 the address as making the variable not write-only.
537 2006-03-02 Nick Clifton <nickc@redhat.com>
539 * config.gcc (default_use_cxa_atexit): Extend the description of
540 this configure variable. Set its default value to "yes" for
541 Linux, NetBSD and ELF targets on the assumption that they will
542 use C libraries with the __cxa_atexit function.
544 2006-03-02 Ben Elliston <bje@au.ibm.com>
546 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
547 parameter as unused to suppress a build warning.
549 2006-03-02 Ben Elliston <bje@au.ibm.com>
551 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
554 2006-03-01 Roger Sayle <roger@eyesopen.com>
557 * gthr-posix.h (__gthrw2): Define to take three parameters, the
558 declared name, the weak reference name, and the typeof name.
559 (__gthrw): Avoid expanding the declared name suffix.
560 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
562 2006-03-01 Jakub Jelinek <jakub@redhat.com>
564 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
566 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
567 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
568 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
569 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
570 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
571 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
572 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
573 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
574 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
575 DW_DS_leading_separate, DW_DS_trailing_separate): New.
576 (DW_END_default, DW_END_big, DW_END_little): New.
577 (DW_END_lo_user, DW_END_hi_user): Define.
578 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
579 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
580 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
583 2006-03-01 Diego Novillo <dnovillo@redhat.com>
585 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
587 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
589 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
591 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
593 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
596 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
599 2006-03-01 Roger Sayle <roger@eyesopen.com>
601 * builtins.c (fold_builtin_copysign): Delete unreachable code.
603 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
606 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
607 MACHO_DYNAMIC_NO_PIC_P.
608 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
610 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
613 * config/darwin-protos.h (darwin_asm_output_anchor):
615 * config/darwin-sections.def (cstring_section):
616 Add SECTION_MERGE to the flags.
617 (literal4_section): Likewise.
618 (literal8_section): Likewise.
619 (objc_selector_refs_section): Likewise.
620 (objc_cls_refs_section): Likewise.
621 * config/darwin.c (darwin_asm_output_anchor): New
623 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
625 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
627 Fix PR tree-optimization/26443
628 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
629 to todo and PROP_tmt_usage to properties_destroyed.
630 * tree-ssa-ccp.c (pass_ccp): Ditto.
631 (pass_store_ccp): Ditto.
632 * tree-ssa-dom.c (pass_dominator): Ditto.
634 2006-03-01 Diego Novillo <dnovillo@redhat.com>
636 * tree-ssa-operands.c: Cleanup whitespace.
637 (get_asm_expr_operands): Move before first invocation.
638 (get_indirect_ref_operands): Likewise.
639 (get_tmr_operands): Likewise.
640 (get_call_expr_operands): Likewise.
641 (append_def): Likewise.
642 (append_use): Likewise.
643 (append_v_may_def): Likewise.
644 (append_v_must_def): Likewise.
645 (add_call_clobber_ops): Likewise.
646 (add_call_read_ops): Likewise.
647 (add_stmt_operand): Likewise.
648 (add_virtual_operand): Likewise.
649 (build_ssa_operands): Likewise.
651 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
656 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
657 with a call expr to ...
658 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
660 2006-03-01 Diego Novillo <dnovillo@redhat.com>
662 * tree-vrp.c (extract_range_from_assert): Remove special
663 handling for types with super-types.
665 2006-03-01 Ben Elliston <bje@au.ibm.com>
667 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
668 and powerpc64-*-linux* configurations.
669 * config/t-dfprules: New file.
671 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
672 Compile dfp-bit.c from the source directory using -DWIDTH and
673 $DFP_CFLAGS to control the compilation of that file, rather than
674 generating width-specific versions in the build directory.
675 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
676 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
678 2006-02-28 Zack Weinberg <zackw@panix.com>
680 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
683 2006-02-28 Eric Christopher <echristo@apple.com>
685 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
686 Set up IN_LIBGCC definition of TARGET_64BIT.
687 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
689 2006-02-28 Roger Sayle <roger@eyesopen.com>
692 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
693 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
694 cases via the construction of "expr != 0".
696 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
698 * alias.c (alias_invariant, alias_invariant_size): Remove.
699 (record_base_value): Remove.
700 (memrefs_conflict_p): Don't look at alias_invariant.
701 (end_alias_analysis): Don't free it.
702 * alias.h (record_base_value): Remove prototype.
704 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
705 Adam Nemet <anemet@caviumnetworks.com>
707 * rtl.h (truncated_to_mode): Declare it.
708 (struct rtl_hooks): Add reg_truncated_to_mode hook.
709 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
710 (RTL_HOOKS_INITIALIZER): Include it.
711 * rtlhooks.c (reg_truncated_to_mode_general): New function.
712 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
713 reg_truncated_to_mode.
714 * rtlanal.c (truncated_to_mode): Define it.
715 * simplify-rtx.c (simplify_unary_operation_1): Use it.
717 2006-02-28 Jeff Law <law@redhat.com>
719 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
720 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
721 the range allowed by TYPE_PRECISION.
723 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
725 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
727 PR tree-optimization/26419
728 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
731 2006-02-27 Zack Weinberg <zackw@panix.com>
733 * doc/md.texi: Fix typo in previous change.
735 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
739 2006-02-27 Zack Weinberg <zackw@panix.com>
741 * rtl.def (define_constraint, define_register_constraint)
742 (define_memory_constraint, define_address_constraint): New MD forms.
743 * gensupport.c (process_rtx): Put define_constraint etc on the
745 * genpreds.c (process_define_predicate): Adjust comment. Validate
746 the name, and call validate_exp to validate the expression.
747 (mark_mode_tests, write_extract_subexp): Can assume correct input.
748 (write_predicate_expr): Likewise. NAME argument no longer necessary;
750 (validate_exp, needs_variable, struct constraint_data)
751 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
752 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
753 (const_dbl_constraints, constraint_max_namelen)
754 (have_register_constraints, have_memory_constraints)
755 (have_address_constraints, have_address_constraints)
756 (have_extra_constraints, have_const_int_constraints)
757 (have_const_dbl_constraints, mangle, add_constraint)
758 (process_define_constraint, process_define_register_constraint)
759 (write_enum_constraint_num, write_lookup_constraint)
760 (write_insn_constraint_len, write_regclass_for_constraint)
761 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
762 (write_insn_extra_memory_constraint)
763 (write_insn_extra_address_constraint)
764 (write_satisfies_constraint_fns): New.
765 (write_tm_preds_h): If we have new-style constraint definitions,
766 prototype the functions generated from them, and define the
767 old constraint interface (still used by generic code) in terms of
769 (write_insn_preds_c): If we have new-style constraint definitions,
770 generate all relevant functions from those definitions.
771 (main): Handle define_constraint etc.
772 * genoutput.c (struct constraint_data, indep_constraints)
773 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
774 (mdep_constraint_len): New data structures and functions, defined
775 #ifdef USE_MD_CONSTRAINTS.
776 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
777 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
778 use new logic to validate operand constraints against constraint
780 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
782 * defaults.h: If none of the old-style constraint macros are
783 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
784 old-style macros; and poison REG_CLASS_FROM_LETTER,
785 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
787 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
788 * doc/md.texi: Document new constraint-definition mechanism and the
789 C interface it provides. Remove references to old mechanism
790 elsewhere in the document.
791 (Machine Constraints): Use pathnames relative to gcc directory,
792 i.e. config/ARCH/FILE. Change i386 section to refer to
793 config/i386/predicates.md; update that section to match docstrings.
794 * doc/tm.texi: Move all documentation of the old constraint-
795 definition macros to their own section, clearly mark as obsolete.
797 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
798 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
800 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
801 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
802 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
804 (splits and peepholes): Use satisfies_constraint_*.
805 * config/i386/i386.c (memory_address_length)
806 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
808 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
810 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
811 scalar operation to be put back into the loop.
813 2006-02-27 Jakub Jelinek <jakub@redhat.com>
816 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
817 (extract_cie_info): Handle S flag in augmentation string.
818 (execute_cfa_program): If context->signal_frame, execute also
819 fs->pc == context->ra instructions.
820 (uw_frame_state_for): If context->signal_frame, don't subtract one
821 from context->ra to find FDE.
822 (uw_update_context_1): Set context->signal_frame to
824 (_Unwind_GetIPInfo): New function.
825 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
826 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
828 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
829 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
830 * unwind-compat.c (_Unwind_GetIPInfo): New function.
831 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
832 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
833 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
834 * config/i386/linux-unwind.h (x86_fallback_frame_state,
835 x86_64_fallback_frame_state): Set fs->signal_frame.
836 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
837 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
838 (frob_update_context): Likewise. Workaround missing S flag in
839 Linux 2.6.12 - 2.6.16 kernel vDSOs.
840 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
841 Remove the psw_addr + 1 hack.
843 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
845 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
846 with aggregates here.
847 (find_func_aliases): Remove code for &<aggregate> from here.
849 2006-02-26 Roger Sayle <roger@eyesopen.com>
851 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
852 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
853 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
856 2006-02-26 Roger Sayle <roger@eyesopen.com>
859 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
861 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
863 * opts.c (decode_options): Do not handle flag_strength_reduce.
864 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
865 and OPT_fstrength_reduce.
866 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
867 flag_prefetch_loop_arrays for being nonzero.
868 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
870 (fprefetch-loop-arrays-rtl): Removed.
871 (flag_prefetch_loop_arrays): Do not specify the value.
873 * doc/passes.texi: Update documentation of loop optimizer
875 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
876 -frerun-loop-opt): Remove.
878 2006-02-26 Richard Guenther <rguenther@suse.de>
880 PR tree-optimization/26421
881 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
882 in function calls that are ADDR_EXPRs as using the whole structure.
884 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
886 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
887 * tree-pass.h (pass_loop_optimize): Remove.
888 * passes.c (pass_loop_optimize): Never run it.
889 * toplev.c (backend_init): Don't call init_loop.
890 * opts.c (flag_loop_optimize_set): Remove.
891 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
892 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
893 the old RTL loop optimizer when profiling enabled.
894 * predict.c (tree_estimate_probability): Always strip builtin_expect.
895 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
896 pre-headers for the sake of the old RTL loop optimizer.
897 * Makefile.in: Remove all references to loop.o.
899 * doc/invoke.texi: Remove all references to -floop-optimize
900 and -frerun-loop-opt.
902 2006-02-26 Zack Weinberg <zackw@panix.com>
904 * doc/md.texi (Machine Constraints): Refer to all files with paths
905 relative to gcc directory (i.e. config/CPU/file). Add missing
906 @table @code ... @end table to M32C subsection.
908 2006-02-26 Roger Sayle <roger@eyesopen.com>
910 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
912 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
914 2006-02-26 Roger Sayle <roger@eyesopen.com>
915 James A. Morrison <phython@gcc.gnu.org>
918 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
919 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
920 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
921 signedness of the shift operation.
923 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
925 PR tree-optimization/26359
926 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
928 2006-02-25 Roger Sayle <roger@eyesopen.com>
930 * simplify-rtx.c (simplify_relational_operation_1): Simplify
931 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
932 as X == 0, and some symmetry related transformations.
933 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
935 2006-02-25 Roger Sayle <roger@eyesopen.com>
938 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
939 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
940 symmetry related transformations. Fold (X^C1) == C2 as
943 2006-02-25 Juergen Weigert <jw@suse.de>
944 Richard Guenther <rguenther@suse.de>
946 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
948 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
950 * combine.c (gen_lowpart_or_truncate): Call
951 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
953 2006-02-24 Diego Novillo <dnovillo@redhat.com>
955 * doc/invoke.texi: Move -fopenmp description to "Options for
957 Remove reference to -lgomp.
959 2006-02-24 David Edelsohn <edelsohn@gnu.org>
961 * doc/install.texi: Require GNU tar version 1.14.
963 2006-02-24 Geoffrey Keating <geoffk@apple.com>
965 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
966 * doc/invoke.texi (C++ Dialect Options): Document
967 -fno-use-cxa-get-exception-ptr.
968 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
969 * configure: Regenerate.
970 * c.opt (fuse-cxa-get-exception-ptr): New.
971 * c-opts.c (c_common_handle_option): Handle
972 OPT_fuse_cxa_get_exception_ptr.
973 * c-common.c (flag_use_cxa_atexit): Update documentation.
974 (flag_use_cxa_get_exception_ptr): New.
975 * c-common.h (flag_use_cxa_get_exception_ptr): New.
976 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
978 (C_COMMON_OVERRIDE_OPTIONS): New.
980 2006-02-24 Roger Sayle <roger@eyesopen.com>
983 * combine.c (try_combine): Explicitly check whether GET_CODE is
984 a SET or a CLOBBER, instead on checking that it isn't a USE.
986 2006-02-24 Roger Sayle <roger@eyesopen.com>
988 * fold-const.c (fold_comparison): New subroutine of fold_binary
989 containing transformations common to both the equality and
990 ordering relational operators, factored out of fold_binary.
991 (fold_binary): Separate out the equality operators (EQ_EXPR
992 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
993 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
994 transformations common to both.
995 (fold_div_compare): Fix latent bugs in the previously unreachable
996 LT_EXPR and GE_EXPR cases.
998 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1000 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
1001 decl libname for clog to __clog on AIX.
1003 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
1005 2006-02-24 Alan Modra <amodra@bigpond.net.au>
1008 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
1009 output traceback table for thunks. Localise rs6000_stack_info call.
1011 2006-02-23 Roger Sayle <roger@eyesopen.com>
1012 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1014 * gthr-posix.h (__gthrw): Fix typo in comment.
1016 2006-02-23 Geoffrey Keating <geoffk@apple.com>
1018 * doc/cpp.texi (Character sets): Document that we do support
1019 input files to be in any character set.
1021 2006-02-23 Jeff Law <law@redhat.com>
1023 * tree.h (PHI_ARG_NONZERO): Remove.
1024 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
1025 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
1026 node to the new node.
1028 PR tree-optimization/26425
1029 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
1030 min/max, then assume its varying.
1032 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1034 PR rtl-optimization/26316
1035 * rtlanal.c (enum may_trap_p_flags): New.
1036 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
1037 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
1038 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
1039 (may_trap_after_code_motion_p): New function.
1040 * loop-invariant.c (find_identical_invariants): Fix dump formating.
1041 (find_invariant_insn): Use may_trap_after_code_motion_p.
1042 * rtl.h (may_trap_after_code_motion_p): Declare.
1044 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1046 * emit-rtl.c (immed_double_const): Cleanup.
1048 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
1050 Fix PR tree-optimization/26376
1051 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
1054 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1057 * gimplify.c (omp_add_variable): Guard variable size decl test with
1058 DECL_SIZE (decl) check.
1060 2006-02-23 Richard Guenther <rguenther@suse.de>
1063 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
1064 like aggregate types.
1066 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1068 * configure.ac: Add --with{,out}-long-double-128 configure option.
1069 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
1070 * configure: Rebuilt.
1071 * config.in: Rebuilt.
1072 * doc/install.texi (Options specification): Document
1073 --with-long-double-128.
1075 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1076 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1077 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1078 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1080 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
1082 * config/s390/s390.c (override_options): Handle
1083 TARGET_DEFAULT_LONG_DOUBLE_128.
1085 * config/alpha/alpha.c (override_options): Handle
1086 TARGET_DEFAULT_LONG_DOUBLE_128.
1088 * config/sparc/sparc.c (sparc_override_options): Handle
1089 TARGET_DEFAULT_LONG_DOUBLE_128.
1091 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
1093 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
1094 (real-install-headers-tar, real-install-headers-cpio)
1095 (real-install-headers-cp): New targets.
1097 2006-02-22 Richard Sandiford <richard@codesourcery.com>
1099 * tree.h (variable_section): Delete.
1100 * varasm.c (variable_section): Delete.
1102 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
1104 * install.texi: Add notes on install.texi2html.
1105 (Building in parallel): Do not use footnotes.
1107 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
1110 * doc/install.texi (Configuration): Document --disable-libgomp.
1112 2006-02-21 Geoffrey Keating <geoffk@apple.com>
1114 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
1116 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1118 * config/i386/sse.md (vec_extractv2df_1_sse): New.
1119 (vec_extractv2df_0_sse): New.
1121 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1123 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
1124 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
1125 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
1126 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
1127 to the result of the expression.
1128 (def_cfa_1): Adjust.
1129 (frame_pointer_cfa_offset): Rename to...
1130 (frame_pointer_fb_offset): ... this. Adjust all uses.
1131 (convert_cfa_to_loc_list): Rename to...
1132 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
1133 Pass it on to build_cfa_loc.
1134 (compute_frame_pointer_to_cfa_displacement): Rename to...
1135 (compute_frame_pointer_to_fb_displacement): ... this. New
1136 offset parameter. Use it in computation.
1137 (gen_subprogram_die): Compute cfa_fb_offset with the new
1138 macro, and use it to compute the fb loc list and the
1141 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
1143 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
1144 replaced with register_operand.
1145 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
1146 non-DREG is expensive.
1147 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
1148 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
1151 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
1153 * doc/install.texi2html: Use set -e.
1155 2006-02-21 Richard Sandiford <richard@codesourcery.com>
1157 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1158 (ASM_OUTPUT_SHARED_LOCAL): Delete.
1159 * doc/invoke.texi (-fshared-data): Delete.
1160 * common.opt (fshared-data): Delete.
1161 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
1162 (assemble_static_space): Remove #if 0 code.
1163 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1164 (ASM_OUTPUT_SHARED_LOCAL): Poison.
1165 * config/cris/cris.h: Remove FIXME.
1167 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
1169 * doc/sourcebuild.texi (Front End Directory): No more double-colon
1172 2006-02-21 Jakub Jelinek <jakub@redhat.com>
1175 * combine.c (simplify_shift_const_1): Disable nested shifts
1176 optimization for vector shifts.
1178 2006-02-20 Roger Sayle <roger@eyesopen.com>
1180 PR tree-optimization/26361
1181 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
1182 of unsigned integer types.
1184 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
1186 * tree-chrec.c (eq_evolutions_p): New.
1187 * tree-chrec.h (eq_evolutions_p): Declared.
1188 * tree-data-ref.c: Fix formatting.
1189 (datadep_stats, dependence_stats): New.
1191 (print_direction_vector): New.
1192 (dump_data_dependence_relation): Use print_direction_vector.
1193 (object_analysis, create_data_ref): Handle COMPONENT_REF.
1194 (compute_subscript_distance): Static.
1195 (initialize_data_dependence_relation): Static. Get the number
1196 of loops surrounding the references from the callers, and initialize
1197 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
1198 base_object_differ_p analyzers.
1199 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
1200 compute_overlap_steps_for_affine_1_2,
1201 analyze_subscript_affine_affine): Count the classified dependences.
1202 Print a message when a test failed.
1203 (can_use_analyze_subscript_affine_affine): New.
1204 (analyze_siv_subscript): Compute the data dependences on symbolic
1205 scevs that verify can_use_analyze_subscript_affine_affine.
1206 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
1207 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
1208 Handle symbolic scevs.
1209 (analyze_overlapping_iterations): Let symbolic affine scevs to be
1211 (subscript_dependence_tester): Moved...
1212 (build_classic_dist_vector, build_classic_dir_vector): Don't use
1213 lambda_vector_clear on newly allocated vectors. Get nb_loops from
1214 DDR_SIZE_VECT instead of getting it in parameter.
1215 (subscript_dependence_tester): ... here. Take as a parameter
1216 loop_nest_depth. Call build_classic_dist_vector and
1217 build_classic_dir_vector.
1218 (compute_affine_dependence): Update subscript_dependence_tester
1219 parameters. Update datadep_stats counters. Call
1220 compute_subscript_distance.
1221 (compute_self_dependence): Save the dist and dir vectors. Call
1222 compute_subscript_distance.
1223 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
1224 (compute_all_dependences): Reorder parameters as they were before
1225 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
1226 compute_subscript_distance. Update the use of
1227 compute_affine_dependence and initialize_data_dependence_relation.
1228 (find_data_references_in_loop): Handle COMPONENT_REF.
1229 (compute_data_dependences_for_loop): Initialize dependence_stats.
1230 Don't call build_classic_dist_vector and build_classic_dir_vector.
1231 Update the parameters of initialize_data_dependence_relation and
1232 compute_all_dependences. Print the statistics from datadep_stats.
1233 (analyze_all_data_dependences): Static. Not used until the pass for
1234 checking the data dependences is contributed.
1235 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
1236 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
1237 (initialize_data_dependence_relation, compute_affine_dependence,
1238 analyze_all_data_dependences, compute_subscript_distance): Removed.
1239 (print_direction_vector): New.
1240 * lambda.h (gcd): ... here.
1241 (lambda_vector_gcd): Moved here from gcd_vector.
1242 * lambda-code.c (gcd, gcd_vector): Removed.
1243 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
1244 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
1246 2006-02-20 Diego Novillo <dnovillo@redhat.com>
1248 * ipa-type-escape.c: Tidy some comments and white space.
1249 * tree-ssa-operands.c: Likewise.
1251 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
1254 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
1255 (dump_decl_name): Do not walk the decl tree chains.
1256 * tree-pass.h (TDF_CHAIN): Remove.
1258 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1260 * Makefile.in (C): Remove
1262 (.PHONY): Remove C and PROTO
1264 2006-02-20 Roger Sayle <roger@eyesopen.com>
1267 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
1268 deprecated CHAR_TYPE tree code.
1270 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1272 * configure.ac (target_list): Add install-info, dvi, html.
1273 * configure: Regenerate.
1275 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
1276 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
1277 treelang/Make-lang.in: Do not use double-colon rules.
1279 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
1281 * tree.h (struct tree_memory_tag): Add is_used_alone member.
1282 (TMT_USED_ALONE): New macro.
1283 * tree-pass.h (PROP_tmt_usage): New property.
1284 (TODO_update_tmt_usage): New todo.
1285 * tree-ssa-alias.c (updating_used_alone): New variable.
1286 (recalculate_used_alone): New function.
1287 (compute_may_aliases): Set updating_used_alone, call
1288 recalculate_used_alone.
1289 * tree-sra.c (pass_sra): Note that this pass destroys
1290 PROP_tmt_usage, and add TODO_update_tmt_usage.
1291 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1292 * tree-flow.h (updating_used_alone): Prototype.
1293 (recalculate_used_alone): Ditto.
1294 * passes.c (execute_todo): Add code to set updating_used_alone,
1295 and call recalculate.
1296 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
1297 for clobber if used alone, and add assert to verify used_alone
1300 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
1302 * config/s390/s390.c (legitimize_pic_address): Assertions checking
1303 for non tls symbols added.
1304 (legitimize_address): Do nothing for PLUS expressions if one of the
1305 addends is a tls symbol reference.
1307 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1311 * Makefile.in (LDFLAGS): Define from autoconf substitution.
1313 * Makefile.in (BOOTSTRAPPING): New.
1314 (quickstrap): New definition if BOOTSTRAPPING=yes.
1316 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
1317 * configure.ac: Substitute all_selected_languages with the languages
1318 that were configured. For all the other variables except
1319 lang_specs_files, include all the languages in the tree.
1320 * configure: Regenerate.
1322 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
1323 if there is one. Run the commands to run fixincludes in the same
1326 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
1327 * doc/install.texi: Document exact conventions for searching target tools.
1328 Document --with-build-time-tools. Document toplevel bootstrap. Document
1329 something more about building an Ada cross-compiler. Don't list GNU Make
1330 requirements which affect all platforms.
1332 2006-02-19 Roger Sayle <roger@eyesopen.com>
1335 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
1336 only equivalent if the have both the same mode and precision.
1338 2006-02-20 Ben Elliston <bje@au.ibm.com>
1340 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
1342 2006-02-19 Roger Sayle <roger@eyesopen.com>
1343 Steven Bosscher <stevenb.gcc@gmail.com>
1345 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
1346 constant pool references to identify stack mode constants.
1347 * rtlanal.c (constant_pool_constant_p): New predicate to check
1348 whether operand is a floating point constant in the pool.
1349 * rtl.h (constant_pool_constant_p): Prototype here.
1350 * loop.c (scan_loop): Avoid hoisting constants from the constant
1351 pool on STACK_REGS targets.
1352 (load_mems): Likewise.
1353 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
1354 loads into x87 registers expensive in terms of register pressure.
1356 2006-02-19 Roger Sayle <roger@eyesopen.com>
1358 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
1359 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
1361 2006-02-19 David Edelsohn <edelsohn@gnu.org>
1363 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
1364 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
1366 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
1368 * doc/invoke.texi: Document -fipa-pta.
1369 * common.opt: Add ipa-pta option.
1370 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
1371 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
1372 (do_ds_constraint): Ditto.
1373 (get_constraint_for): Only add to referenced_vars if
1374 referenced_vars exists.
1375 (insert_into_field_list): Rewrite to do this unsorted.
1376 (insert_into_field_list_sorted): Rename old insert_into_field_list
1378 (create_function_info_for): Use insert_into_field_list_sorted.
1379 (create_variable_info_for): Rewrite so it uses unsorted version,
1380 since the field list is sorted.
1381 (intra_create_variable_infos): Only add to referenced_vars if
1382 referenced_vars exists.
1383 (ipa_pta_execute): Init heapvars, and delete when done.
1384 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
1386 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1388 * doc/install.texi: Add missing `@samp'.
1390 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1392 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
1395 2006-02-18 Mark Wielaard <mark@klomp.org>
1397 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
1398 who added new 4.1 features, bug fixes and integration support.
1400 2006-02-18 David Edelsohn <edelsohn@gnu.org>
1403 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
1406 2006-02-18 Richard Sandiford <richard@codesourcery.com>
1408 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
1409 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
1410 (copy_insn_1): Likewise. Don't copy each field individually.
1412 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
1414 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
1415 * rtl.c (rtx_size): Rename variable to...
1416 (rtx_code_size): ...this.
1417 (rtx_size): New function.
1418 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
1419 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
1421 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
1422 * rtl.h (rtx_code_size): New variable.
1423 (rtx_size): Change from a variable to a function.
1424 (RTX_SIZE): Rename to...
1425 (RTX_CODE_SIZE): ...this.
1428 PR tree-optimization/17106
1429 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
1430 (Anchored Addresses): New section.
1431 * doc/invoke.texi (-fsection-anchors): Document.
1432 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
1433 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
1434 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
1435 * hooks.c (hook_bool_mode_rtx_false): New function.
1436 * hooks.h (hook_bool_mode_rtx_false): Declare.
1437 * gengtype.c (create_optional_field): New function.
1438 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
1439 SYMBOL_REF_IN_BLOCK_P is true.
1440 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
1441 (min_anchor_offset, max_anchor_offset): Likewise.
1442 (use_anchors_for_symbol_p): New hook.
1443 * toplev.c (compile_file): Call output_object_blocks.
1444 (target_supports_section_anchors_p): New function.
1445 (process_options): Check that -fsection-anchors is only used on
1446 targets that support it and when -funit-at-a-time is in effect.
1447 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
1448 if the decl doesn't have one.
1449 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
1450 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
1451 of force_const_mem through use_anchored_address.
1452 (expand_expr_constant): New function.
1453 (expand_expr_addr_expr_1): Call it. Use the same modifier when
1454 calling expand_expr for INDIRECT_REF.
1455 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
1456 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
1457 * expr.h (use_anchored_address): Declare.
1458 * loop-unroll.c: Don't declare rtx vectors here.
1459 * explow.c: Include output.h.
1460 (validize_mem): Call use_anchored_address.
1461 (use_anchored_address): New function.
1462 * common.opt (-fsection-anchors): New switch.
1463 * varasm.c (object_block_htab, anchor_labelno): New variables.
1464 (hash_section, object_block_entry_eq, object_block_entry_hash)
1465 (use_object_blocks_p, get_block_for_section, create_block_symbol)
1466 (use_blocks_for_decl_p, change_symbol_section): New functions.
1467 (get_variable_section): New function, split out from assemble_variable.
1468 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
1469 use_blocks_for_decl_p say so. Use change_symbol_section if the
1470 symbol has already been created.
1471 (assemble_variable_contents): New function, split out from...
1472 (assemble_variable): ...here. Don't output any code for
1473 block symbols; just pass them to place_block_symbol.
1474 Use get_variable_section and assemble_variable_contents.
1475 (get_constant_alignment, get_constant_section, get_constant_size): New
1476 functions, split from output_constant_def_contents.
1477 (build_constant_desc): Create a block symbol if use_object_blocks_p
1478 says so. Or into SYMBOL_REF_FLAGS.
1479 (assemble_constant_contents): New function, split from...
1480 (output_constant_def_contents): ...here. Don't output any code
1481 for block symbols; just pass them to place_section_symbol.
1482 Use get_constant_section and get_constant_alignment.
1483 (force_const_mem): Create a block symbol if use_object_blocks_p and
1484 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
1485 (output_constant_pool_1): Add an explicit alignment argument.
1486 Don't switch sections here.
1487 (output_constant_pool): Adjust call to output_constant_pool_1.
1488 Switch sections here instead. Don't output anything for block symbols;
1489 just pass them to place_block_symbol.
1490 (init_varasm_once): Initialize object_block_htab.
1491 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
1492 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
1493 (place_block_symbol, get_section_anchor, output_object_block)
1494 (output_object_block_htab, output_object_blocks): New functions.
1495 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
1496 (TARGET_ASM_OUT): Include it.
1497 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
1498 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
1499 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
1500 (TARGET_INITIALIZER): Include them.
1501 * rtl.c (rtl_check_failed_block_symbol): New function.
1502 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
1503 (block_symbol, object_block): New structures.
1504 (rtx_def): Add a block_symbol field to the union.
1505 (BLOCK_SYMBOL_CHECK): New macro.
1506 (rtl_check_failed_block_symbol): Declare.
1507 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
1508 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
1509 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
1510 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
1511 * output.h (output_section_symbols): Declare.
1512 (object_block): Name structure.
1513 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
1514 (default_use_anchors_for_symbol_p): Declare.
1515 * Makefile.in (RTL_BASE_H): Add vec.h.
1516 (explow.o): Depend on output.h.
1517 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
1518 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1519 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1520 (rs6000_use_blocks_for_constant_p): New function.
1522 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1524 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
1526 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1529 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
1532 2006-02-18 Diego Novillo <dnovillo@redhat.com>
1534 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
1538 2006-02-18 Jakub Jelinek <jakub@redhat.com>
1541 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
1542 instead of DECL_REGISTER.
1544 2006-02-18 Olivier Hainque <hainque@adacore.com>
1547 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
1549 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
1552 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
1553 * opth-gen.awk: Handle Var and InverseMask together.
1554 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
1555 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
1556 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
1557 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
1559 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1560 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1561 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
1562 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1563 LINUX_DYNAMIC_LINKER): Define.
1564 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
1565 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
1567 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1568 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
1569 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1570 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1571 (TARGET_C99_FUNCTIONS): Don't define.
1572 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
1573 GLIBC_DYNAMIC_LINKER.
1574 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
1575 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
1576 GLIBC_DYNAMIC_LINKER64): Define.
1577 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1578 LINUX_DYNAMIC_LINKER64.
1579 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1580 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1581 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
1582 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1583 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1584 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1585 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
1586 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
1587 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
1588 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
1589 and LINUX_DYNAMIC_LINKER32.
1590 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1591 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1592 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
1593 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1594 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
1596 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
1597 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
1598 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1599 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1600 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1601 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
1602 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
1603 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
1604 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1605 LINUX_DYNAMIC_LINKER): Define.
1606 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
1607 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
1608 GLIBC_DYNAMIC_LINKER64): Define.
1609 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1610 LINUX_DYNAMIC_LINKER64.
1611 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1612 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1613 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
1614 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1615 LINUX_DYNAMIC_LINKER): Define.
1616 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1617 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1618 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
1619 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
1620 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
1621 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1622 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
1623 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
1624 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1625 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1626 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1627 * doc/invoke.texi (-muclibc): Remove caveat about supported
1630 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1632 * doc/cpp.texi (__TIMESTAMP__): Document.
1634 2006-02-17 Roger Sayle <roger@eyesopen.com>
1637 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
1638 C is one less than the width of X (and related transformations).
1639 * simplify-rtx.c (simplify_unary_operation_1): Transform
1640 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
1641 depending on STORE_FLAG_VALUE, were C is one less then the
1644 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
1646 Fix PR tree-optimization/26341
1647 * tree-ssa-operands.c (add_virtual_operand): Remove assert
1648 about NAME_MEMORY_TAG's.
1650 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1653 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
1654 with hardware float support, and software float support. Add fcpy
1655 alternative to hardware patterns. Add alternatives to copy between
1656 general and floating-point registers to the 32-bit pattern.
1657 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
1658 secondary reload to load a QI or HI mode constant into a floating
1660 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
1661 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
1663 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
1666 * config/rs6000/darwin.md (load_macho_picbase_si): Add
1668 (load_macho_picbase_di): Likewise.
1670 2006-02-16 Jeff Law <law@redhat.com>
1672 * tree-vrp.c (set_value_range_to_nonnegative): New function.
1673 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
1674 (ssa_name_nonzero_p): Likewise.
1675 (get_value_range): Return NULL if VRP is not running.
1676 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
1677 VRP routines do not discover a range.
1678 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
1679 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
1680 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
1681 (tree_expr_nonnegative_p): Similarly.
1682 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
1683 (restore_nonzero_vars_to_original_value): Remove.
1684 (unsafe_associative_fp_binop): Remove.
1685 (tree_ssa_dominator_optimize): Remove initialization and
1686 finalization of nonzero_vars and nonzero_vars_stack.
1687 (dom_opt_initialize_block): No longer push marker on
1689 (dom_opt_finalize_block): No longer call
1690 restore_nonzero_vars_to_original_value.
1691 (record_equivalences_from_phis): No longer look for
1692 nonzero PHI arguments.
1693 (cprop_into_successor_phis): No longer propagate nonzero
1694 property into PHI arguments. Lose unused argument. Caller
1696 (record_equivalences_from_stmt): No longer record nonzero
1697 values for SSA_NAMEs.
1698 (lookup_avail_expr): No longer use nonzero_vars.
1700 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
1701 for sizetype when sizetype is unsigned.
1703 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
1705 PR rtl-optimization/25603
1706 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
1707 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
1708 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
1709 with new meaning of SETS.
1711 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
1716 * config/linux.opt: New file.
1717 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
1718 LINUX_DYNAMIC_LINKER): Define.
1719 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
1720 * config.gcc (*-*-linux*): Define extra_options.
1721 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
1722 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
1723 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
1724 GLIBC_DYNAMIC_LINKER.
1725 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
1726 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1727 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1728 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1729 * doc/invoke.texi (GNU/Linux Options): New section.
1731 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1733 * config/sparc/sparc.md (setjmp): Rewrite.
1734 (setjmp_32): Delete.
1735 (setjmp_64): Likewise.
1737 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
1739 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
1742 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1744 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
1747 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1749 PR rtl-optimization/26296
1750 * Makefile.in (loop-invariant.c): Add except.h dependency.
1751 * loop-invariant.c: Include except.h.
1752 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
1754 2005-02-16 Paul Brook <paul@codesourcery.com>
1756 * reload1.c (emit_reload_insns): Invalidate dead input registers used
1759 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
1761 PR rtl-optimization/25636
1762 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
1763 when deciding whether an insn is an initializing insn.
1765 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
1767 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
1768 (tree_code_size): Ditto.
1769 * tree.h (struct tree_memory_tag): Remove parent_var.
1770 (struct tree_struct_field_tag): New.
1773 (union tree_node): Add sft member.
1774 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
1776 (create_sft): Add size and offset argument, set SFT_OFFSET and
1778 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
1779 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
1780 * tree-flow-inline.h (get_subvar_at): Update for
1781 SFT_OFFSET/SFT_SIZE.
1782 (var_can_have_subvars): Ditto.
1783 (overlap_subvar): Ditto.
1784 * print-tree.c (print_node): Print out interesting things for
1786 * tree-flow.h (struct subvar): Remove offset and size members.
1787 * tree-ssa-operands.c (get_expr_operands): Update for
1788 get_indirect_ref_operands changes.
1789 (get_indirect_ref_operands): Call add_virtual_operand instead of
1790 add_stmt_operand. Only recurse on base var if requested.
1791 (access_can_touch_variable): New function.
1792 (add_stmt_operand): Split virtual operand handling into ...
1793 (add_virtual_operand): Here. Add offset, size, and for_clobber
1794 arguments. Prune alias sets.
1795 (add_call_clobber_ops): Call add_virtual_operand.
1797 2006-02-15 Jakub Jelinek <jakub@redhat.com>
1800 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
1802 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
1803 than TREE_CODE as index into omp_clause_num_ops array.
1805 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
1807 PR rtl-optimization/26184
1808 * modulo-sched.c (generate_reg_moves): Free bitmap vector
1810 * modulo-sched.c (sms_schedule): Free g_arr pointer.
1811 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
1812 must_precede, must_follow and tobe_scheduled.
1815 * opts.c (common_handle_option): Free new_option pointer.
1816 * df-core.c (df_analyze): Free postorder pointer.
1818 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1820 * Makefile.in: Fix the examples about the use of stamps
1822 2006-02-15 Michael Matz <matz@suse.de>
1826 * stor-layout.c (layout_decl): Zero-width bitfields aren't
1827 influenced by maximum_field_alignment or DECL_PACKED.
1828 (update_alignment_for_field): Ditto.
1829 (place_field): Ditto.
1830 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
1833 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
1835 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
1836 (debug_flow_info): Pass it.
1837 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
1838 * bb-reorder.c (reorder_basic_blocks): Likewise.
1839 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
1840 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
1841 * flow.c (life_analysis, recompute_reg_usage): Likewise.
1842 * gcse.c (gcse_main, bypass_jumps): Likewise.
1843 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
1844 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
1845 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
1846 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
1847 * rtl.h (dump_flow_info): Adjust prototype.
1848 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
1849 * var-tracking.c (variable_tracking_main): Likewise.
1850 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
1851 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
1854 2006-02-15 Marcin Dalecki <martin@dalecki.de>
1856 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
1859 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
1861 PR tree-optimization/26209
1862 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
1863 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
1865 * tree-cfg.c (replace_uses_by): Do not alter cfg.
1867 2006-02-14 Roger Sayle <roger@eyesopen.com>
1870 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
1871 (X,Y) and the corresponding symmetry related transformations.
1872 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
1873 (X,Y) and its symmetry related transformations.
1875 2006-02-14 Roger Sayle <roger@eyesopen.com>
1877 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
1880 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
1882 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
1884 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1887 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
1888 support COMDAT group.
1889 * configure: Regenerate.
1891 2006-02-14 Roger Sayle <roger@eyesopen.com>
1896 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
1898 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
1900 Fix PR tree-optimization/26260
1902 * doc/invoke.texi (max-fields-for-field-sensitive): Document
1904 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
1905 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
1906 * tree-ssa-structalias.c (create_variable_info_for): Use
1907 MAX_FIELDS_FOR_FIELD_SENSITIVE.
1909 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
1911 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
1913 * tree-ssa-loop-niter.c (number_of_iterations_ne,
1914 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
1915 of the ending condition.
1916 * tree-ssa-loop-manip.c: Include params.h.
1917 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
1918 tree_unroll_loop): New functions.
1919 * tree-pass.h (pass_loop_prefetch): Declare.
1920 * loop.c (rest_of_handle_loop_optimize): Test for
1921 -fprefetch-loop-arrays-rtl.
1922 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
1923 * timevar.def (TV_TREE_PREFETCH): New timevar.
1924 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
1925 pass_loop_prefetch): New.
1926 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
1927 (cleanup_tree_cfg_loop): Call scev_reset.
1928 * common.opt (fprefetch-loop-arrays-rtl): Add.
1929 * tree-ssa-loop-prefetch.c: New file.
1930 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
1931 (new_temp_expr_table): Initialize expr_vars.
1932 (free_temp_expr_table): Cleanup expr_vars.
1933 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
1934 expressions from being merged into one.
1935 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
1936 (struct tree_niter_desc): Add control, bound and cmp fields.
1937 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
1939 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
1940 (tree-cfgcleanup.o): Add SCEV_H dependency.
1941 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
1942 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
1944 2006-02-14 Richard Guenther <rguenther@suse.de>
1946 PR tree-optimization/26258
1947 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
1948 in PHI argument processing.
1950 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
1952 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
1953 new expression in the requested machine mode.
1955 2006-02-13 Roger Sayle <roger@eyesopen.com>
1957 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
1958 directly, instead let do_compare_rtx_and_jump handle this for us.
1959 * expr.c (expand_expr_real_1): Likewise.
1960 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
1961 before do_jump_by_parts_greater.
1962 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
1963 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
1965 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1967 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
1969 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
1971 PR rtl-optimization/26235
1972 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
1973 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
1976 2006-02-13 Jeff Law <law@redhat.com>
1978 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
1981 2006-02-13 Jakub Jelinek <jakub@redhat.com>
1984 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
1985 twice if decl is a builtin. When trying again, call get_callee_fndecl
1986 first to verify it is still a builtin.
1988 2006-02-13 Geoffrey Keating <geoffk@apple.com>
1990 * dwarf2out.c (base_type_die): Don't add AT_name here.
1991 (subrange_type_die): Don't add AT_name here.
1992 (modified_type_die): Rearrange code flow. Do add AT_name here.
1994 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
1996 PR rtl-optimization/26247
1997 PR rtl-optimization/26248
1998 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
2000 2006-02-13 Richard Sandiford <richard@codesourcery.com>
2002 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
2003 * config/fixtfdi.c: Likewise.
2004 * config/fixunstfdi.c: Likewise.
2005 * config/floatditf.c: Likewise.
2007 2006-02-13 Roger Sayle <roger@eyesopen.com>
2010 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
2011 into (X,C2) if C1 is a subset of the bits of C2. Transform
2012 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
2014 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
2016 2006-02-13 Josh Conner <jconner@apple.com>
2019 * varasm.c (function_section): Check for section name before
2020 calling select_section on targets that define
2021 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
2022 unlikely_text_section instead of hot_function_section if
2023 first_function_block_is_cold.
2025 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
2028 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
2030 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2032 PR rtl-optimization/26222
2033 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
2034 after tree->rtl expansion.
2035 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
2036 before passing it to emit_move_insn.
2038 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
2040 * doc/invoke.texi (-Write-strings): Document that it is enabled by
2042 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
2043 Clarify documentation.
2044 * c-common.h (warn_write_strings): Remove.
2045 * c-common.c (warn_write_strings): Likewise.
2046 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
2049 2006-02-12 Roger Sayle <roger@eyesopen.com>
2052 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
2053 (do_jump_parts_zero_rtx): New function renamed from
2054 do_jump_parts_equality_rtx. Made static. Add a mode argument.
2055 (do_jump_parts_equality_rtx): New function split out from
2056 do_jump_parts_equality. Old implementation renamed as above.
2057 Call do_jump_parts_zero_rtx if either operand is zero.
2058 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
2059 do all of the heavy lifting.
2060 (do_compare_rtx_and_jump): Handle multi-word comparisons by
2061 calling either do_jump_by_parts_greater_rtx or
2062 do_jump_by_parts_equality_rtx.
2063 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
2064 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
2065 moved to do_compare_rtx_and_jump, call it directly.
2066 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
2067 mode argument. Call do_compare_rtx_and_jump.
2068 (emit_case_nodes): Update calls to do_jump_if_equal.
2070 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2072 PR rtl-optimization/26225
2073 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
2075 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2077 PR rtl-optimization/26232
2078 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
2080 2006-02-11 Jason Merrill <jason@redhat.com>
2083 * tree-inline.c (declare_return_variable): Just don't use the
2084 modify target if it's a gimple complex reg and the return slot
2087 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2089 * doc/contrib.texi: Update my entry.
2091 2006-02-10 Geoffrey Keating <geoffk@apple.com>
2093 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
2095 2006-02-10 Diego Novillo <dnovillo@redhat.com>
2097 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
2100 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
2102 * doc/invoke.texi (-floop-optimize2): Removed.
2103 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
2104 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
2105 Test flag_branch_on_count_reg only if HAVE_doloop_end.
2106 * common.opt (floop-optimize2): Removed.
2107 (fmove-loop-invariants): Enabled by default.
2109 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
2111 * tree-if-conv.c (combine_blocks): Free the result of
2112 get_loop_exit_edges.
2114 2006-02-10 Jeff Law <law@redhat.com>
2116 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
2118 PR tree-optimization/26213
2119 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
2120 loop trying to follow SSA_NAME_VALUE chains.
2122 2006-02-10 Richard Guenther <rguenther@suse.de>
2124 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
2125 deal with structures that end in implicitly variable sized arrays.
2127 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2129 PR rtl-optimization/24762
2130 * df-scan.c (df_bb_refs_record): Record correct registers defined on
2133 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2135 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
2136 (struct ivopts_data): Add regs_used field.
2137 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
2138 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
2139 instead of loop_data->regs_used;
2140 (free_loop_data): Do not free aux fields for loops.
2141 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
2142 and tree_ssa_iv_optimize_finalize.
2144 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
2146 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
2148 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2151 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
2152 computing the effective result type.
2154 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2157 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
2158 (tree_overlaps_hard_reg_set): Declare.
2159 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
2160 type and signature to match function type expected by walk_tree.
2161 (tree_overlaps_hard_reg_set): New function.
2162 (decl_conflicts_with_clobbers_p): Rename to:
2163 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
2164 Use tree_overlaps_hard_reg_set. Changed caller.
2165 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
2166 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
2167 * cris.c (cris_md_asm_clobbers): Likewise.
2169 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
2171 * reload1.c (emit_input_reload_insns): Delete code that tries to
2172 inherit using find_equiv_reg.
2174 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
2176 * c-common.h (flag_const_strings): Don't declare.
2177 * c-common.c (flag_const_strings): Remove.
2178 * c.opt (fconst_strings): Remove.
2179 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
2180 <OPT_Wwrite_strings>: Don't set flag_const_strings.
2181 (c_common_init_options): Don't set flag_const_strings.
2182 * doc/invoke.texi (-fno-const-strings): Remove documentation.
2184 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
2186 * arm.md (tlobits_cbranch): New pattern.
2187 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
2188 testing a single bit.
2190 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2193 * tree-ssa-pre.c (create_component_ref_by_pieces):
2194 Handle RETURN_DECL like VAR_DECL.
2196 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2199 * fold-const.c (fold_indirect_ref_1): Fold
2200 "*(foo *)&complexfoo" to "__real__ complexfoo"
2201 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
2203 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2205 * tree-flow-inline.h (var_can_have_subvars):
2206 Volatile variables should not have subvariables.
2208 2006-02-09 Diego Novillo <dnovillo@redhat.com>
2211 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
2212 multiplying unsigned values.
2215 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
2217 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
2219 2006-02-08 Jason Merrill <jason@redhat.com>
2222 * tree.def: Elaborate on difference from MODIFY_EXPR.
2223 * doc/c-tree.texi (INIT_EXPR): Likewise.
2224 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
2225 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
2226 (gimplify_target_expr): Likewise.
2227 (gimplify_cond_expr): Remove target handling.
2228 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
2229 (gimplify_expr): Clobber it here.
2230 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
2231 Do return slot optimization if we have an INIT_EXPR.
2234 * tree-inline.c (declare_return_variable): Also clear
2235 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
2238 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
2241 * gimplify.c (gimplify_one_sizepos): Fix typo.
2243 2006-02-08 Jeff Law <law@redhat.com>
2245 PR tree-optimization/21417
2246 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
2247 across a backedge if the control statement at the end of the
2248 block is data dependent on other statements in the same block.
2249 (record_temporary_equivalences_from_stmts): Remove over-conservative
2250 test for threading across backedges.
2252 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
2253 control statement, handle all three special cases in the same
2254 manner as they all have the same desired solution. No longer
2255 special case edge flag updating when the post dominator is
2258 2006-02-08 Roger Sayle <roger@eyesopen.com>
2260 * tree.def (CHAR_TYPE): Remove.
2261 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
2262 * dwarf2out.c (base_type_die, is_base_type): Likewise.
2263 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
2264 (gen_string_type_die): Delete unreachable function.
2266 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
2267 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
2268 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
2269 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
2270 * builtins.c (type_to_class): Likewise.
2271 * fold-const.c (fold_convert, build_range_check,
2272 merge_ranges): Likewise.
2273 * expr.c (count_type_elements): Likewise.
2274 * c-pretty-print.c (pp_c_type_specifier): Likewise.
2275 * stor-layout.c (layout_type): Likewise.
2276 * ipa-type-escape.c (type_to_consider): Likewise.
2277 * gimplify.c (omp_firstprivatize_type_sizes,
2278 gimplify_type_sizes): Likewise.
2279 * explow.c (promote_mode): Likewise.
2280 * tree-sra.c (is_sra_scalar_type): Likewise.
2281 * varasm.c (output_constant): Likewise.
2282 * tree-inline.c (remap_type_1): Likewise.
2283 * convert.c (convert_to_pointer, convert_to_real,
2284 convert_to_integer, convert_to_complex): Likewise.
2286 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
2288 * df-scan.c (df_def_record_1): A set destination may
2289 be a parallel regardless of mode.
2291 2006-02-08 Roger Sayle <roger@eyesopen.com>
2294 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
2295 * config/mips/_tilib.c: Remove.
2296 * config/fixtfdi.c: New libgcc source file.
2297 * config/fixunstfdi.c: New source file.
2298 * config/floatditf.c: New source file.
2299 * config/floatunditf.c: New souce file.
2300 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2301 files above instead of config/mips/_tilib.c.
2302 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2304 2006-02-08 Jeff Law <law@redhat.com>
2306 PR tree-optimization/26169
2307 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
2310 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
2312 * df.h (DF_REG_SIZE): Return the length of the initialized
2315 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
2317 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
2318 __muldf3): Return a correctly signed zero.
2320 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
2322 * passes.c (register_one_dump_file): Accept the current properties
2323 instead of pass number. Adjust call to dump_register. Remove
2325 (register_dump_files): Now a wrapper around...
2326 (register_dump_files_1): ... this one. Do not modify the pass
2328 (next_pass_1): Cosmetic fix.
2329 (execute_todo): Keep second parameter only. Use curr_properties
2330 instead of fetching it from the pass structure. Check and set
2332 (execute_one_pass): Handle TODO_set_props. Use curr_properties
2333 instead of fetching it from the pass structure. Fix calls to
2334 execute_todo. Update curr_properties and initialize .vcg RTL dump
2335 after running the pass. Reset last_verified.
2336 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
2338 (FIRST_AUTO_NUMBERED_DUMP): New.
2339 (dump_register): Remove "num" parameter, assign it within the
2341 (get_dump_file_name): Modify template for dumps.
2342 * tree-dump.h (dump_register): Adjust prototype.
2343 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
2344 (PROP_trees): Add PROP_gimple_lomp.
2345 (TODO_set_props): New.
2346 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
2347 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
2348 * cfgexpand.c (pass_expand): Destroy PROP_trees.
2350 2006-02-08 Jakub Jelinek <jakub@redhat.com>
2352 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
2353 (sparc64-*-linux*): Likewise.
2354 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
2355 * config/sparc/t-linux: New file.
2356 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
2357 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
2358 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
2359 -m32 -mlong-double-128.
2361 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
2362 * config/alpha/t-linux: New file.
2363 * config/alpha/libgcc-alpha-ldbl.ver: New file.
2365 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
2366 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
2367 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
2368 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
2369 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
2370 (CPP_ARCH32_SPEC): Remove.
2372 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
2374 PR tree-optimization/26145
2375 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
2378 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2381 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
2382 >= 240000 when generating code for SOM runtime.
2383 (output_indirect_call): Don't use "b,l" instruction for indirect calls
2384 to $$dyncall when generating code for SOM runtime..
2386 2006-02-07 Dirk Mueller <dmueller@suse.com>
2389 * doc/invoke.texi (-Wsequence-point): Update documentation
2390 that -Wsequence-point is implemented for C++ as well.
2392 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2394 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
2395 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
2396 (LIB_SPEC): Likewise.
2397 * doc/invoke.texi (SPARC options): Document -pthread.
2399 2006-02-07 Geoffrey Keating <geoffk@apple.com>
2401 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
2404 2006-02-07 Roger Sayle <roger@eyesopen.com>
2406 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
2407 Correct comment describing BOOLEAN_TYPE.
2409 2006-02-07 Dirk Mueller <dmueller@suse.com>
2411 * c.opt: C++ frontend supports -Wdiv-by-zero.
2412 * c-opts.c (c_common_handle_option): Remove dead case.
2414 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2416 * configure.ac (TLS assembler check): Do not enable TLS by
2417 default on SPARC/Solaris before version 10.
2418 * configure: Regenerate.
2420 2006-02-07 David Edelsohn <edelsohn@gnu.org>
2422 * doc/invoke.texi (xl-compat): Document conversion and support
2425 2006-02-07 Jeff Law <law@redhat.com>
2427 * tree-vrp.c (find_conditional_asserts): Update comments.
2428 (simplify_stmt_for_jump_threading): New.
2429 (identify_jump_threads, finalize_jump_threads): New.
2430 (vrp_finalize): Call identify_jump_threads.
2431 (execute_vrp): Call finalize_jump_threads.
2432 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
2433 (vrp_element, vrp_data, vrp_element_p): Remove.
2434 (vrp_hash_elt, vrp_variables_stack): Remove.
2435 (vrp_hash, vrp_eq, record_range): Remove.
2436 (simplify_cond_and_lookup_avail_expr): Remove.
2437 (extract_range_from_cond): Remove.
2438 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
2439 (simplify_stmt_for_jump_threading): New.
2440 (dom_thread_across_edge): New wrapper.
2441 (tree_ssa_dominator_optimize): No longer initialize or
2442 finalize any of the VRP datastructures. Remove iteration
2443 step and simplify as a result of removal of iteration step.
2444 (pass_dominator): Perform a cfg cleanup after DOM.
2445 (dom_opt_finalize_block): Use the new common routines
2446 for threading jumps. Simplify stack management slightly.
2447 No longer need to unwind VRP state.
2448 (record_equivalences_from_incoming_edge): No longer record
2450 (eliminate_redundant_computations): No longer call
2451 simplify_cond_and_lookup_avail_expr.
2452 * tree-flow.h (potentially_threadable_block): Prototype.
2453 (thread_across_edge): Likewise.
2454 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
2455 (tree-ssa-threadedge.o): Add dependencies.
2456 * tree-ssa-threadedge.c: New file.
2457 * passes.c (init_optimization_passes): Merge PHIs before
2458 calling VRP. Run VRP again late in the SSA optimization pipeline.
2460 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2462 * df-core.c (df_set_blocks): Do not dereference function pointers.
2463 (df_finish1): Likewise.
2464 (df_hybrid_search_forward): Likewise.
2465 (df_hybrid_search_backward): Likewise.
2466 (df_iterative_dataflow): Likewise.
2467 (df_analyze_problem): Likewise.
2468 (df_compact_blocks): Likewise.
2469 (df_dump): Likewise.
2470 * df-scan.c (df_rescan_blocks): Likewise.
2471 (df_record_entry_block_defs): Likewise.
2473 * genconditions.c (write_conditions): Guard the definition of
2474 'insn_conditions' with the check on GCC version.
2475 (write_writer): Guard the traversal 'insn_conditions' with
2476 the check on GCC version.
2478 2006-02-07 Richard Guenther <rguenther@suse.de>
2482 2006-01-30 Richard Guenther <rguenther@suse.de>
2484 * gimplify.c (gimplify_target_expr): Handle easy cases
2485 without creating a temporary.
2487 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
2489 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
2490 use of float in probability computations. Use edge probabilities
2491 in place of statically computed probabilities.
2492 (min_spec_prob): New static variable.
2493 (schedule_insns): Initialize it.
2494 (GET_SRC_PROB): Removed.
2495 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
2497 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
2500 * config/ia64/unwind-ia64.c: Revert last change.
2501 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
2502 (INCOMING_FRAME_SP_OFFSET): Define.
2504 2006-02-06 Roger Sayle <roger@eyesopen.com>
2506 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
2508 2006-02-07 Ben Elliston <bje@au.ibm.com>
2510 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
2511 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
2512 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
2513 (ix86_return_in_memory): Handle TDmode.
2514 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
2515 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
2517 2006-02-06 Richard Sandiford <richard@codesourcery.com>
2519 * reorg.c (dbr_schedule): Use dump_file instead of file.
2521 2006-02-06 Steve Ellcey <sje@cup.hp.com>
2524 * config/ia64/predicates.md (extr_len_operand): New predicate.
2525 * config/ia64/ia64.md (extv): Tighten constraints.
2527 (*tbit_and_2): Ditto.
2528 (*tbit_and_3): Ditto.
2529 (*tbit_or_2): Ditto.
2530 (*tbit_or_3): Ditto.
2534 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
2537 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
2539 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
2541 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
2542 loop_optimizer_init and loop_optimizer_finalize
2543 * tree-ssa-sink.c (execute_sink_code): Ditto.
2544 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2545 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
2546 tree_ssa_loop_done): Ditto.
2547 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
2548 * sched-ebb.c: Include output.h.
2549 (schedule_ebbs): Do not use dump argument.
2550 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
2551 * loop.c (loop_dump_stream): Removed.
2552 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
2554 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
2555 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
2556 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
2557 loop_iterations, strength_reduce, record_biv, record_giv,
2558 final_giv_value, check_final_value, check_ext_dependent_givs,
2559 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
2560 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
2561 dump_file instead of loop_dump_stream.
2562 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
2564 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
2566 * flow.c (life_analysis, rest_of_handle_life): Ditto.
2567 * haifa-sched.c: Include output.h
2568 (schedule_insns, sched_init): Do not use dump argument.
2569 * mode-switching.c (optimize_mode_switching): Ditto.
2570 * modulo-sched.c (stats_file): Removed.
2571 (print_node_sched_params): Do not call argument dump_file.
2572 (sms_schedule_by_order, loop_canon_p, sms_schedule,
2573 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
2575 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
2577 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
2578 rtl_loop_init, rtl_loop_done): Ditto.
2579 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
2580 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
2582 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
2583 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
2584 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
2585 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
2586 * emit-rtl.c (renumber_insns): Ditto.
2587 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
2588 expand_gimple_basic_block, tree_expand_cfg): Ditto.
2589 * regclass.c (regclass): Ditto.
2590 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
2591 remove_ssa_form, rewrite_out_of_ssa): Ditto.
2592 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
2593 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
2595 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
2596 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
2598 * gcse.c (gcse_file, debug_stderr): Removed.
2599 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
2600 rest_of_handle_gcse): Do not use dump argument.
2601 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
2602 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
2603 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
2604 compute_code_hoist_vbeinout, compute_code_hoist_data,
2605 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
2606 compute_store_table, build_store_vectors, insert_insn_start_bb,
2607 insert_store, remove_reachable_equiv_notes, replace_store_insn,
2608 store_motion): Use dump_file instead of gcse_file.
2609 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
2610 * profile.c (profile_dump_file): Removed.
2611 (branch_prob): Use dump_file instead of profile_dump_file.
2612 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
2614 * tree-ssa-copy.c (dump_copy_of): Ditto.
2615 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
2616 dump file to life_analysis.
2617 * bt-load.c (branch_target_load_optimize): Ditto.
2618 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
2620 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
2621 regclass, dbr_schedule): Declaration changed.
2622 * sched-int.h (sched_init): Declaration changed.
2623 * tree-profile.c (tree_profile_dump_file): Removed.
2624 (tree_profile_hooks): Removed profile_dump_file hook.
2625 * rtl-profile (rtl_profile_dump_file): Removed.
2626 (rtl_profile_hooks): emoved profile_dump_file hook.
2627 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
2629 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
2630 * tree-cfg.c (build_tree_cfg): Ditto.
2631 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
2632 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
2633 Declaration changed.
2634 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
2635 life_analysis and schedule_insns.
2636 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
2638 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
2640 * config/mips/mips.c (mips_reorg): Ditto.
2641 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
2644 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
2646 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2647 (s390_mangle_fundamental_type): New.
2648 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2651 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2652 (alpha_mangle_fundamental_type): New.
2653 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2656 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2658 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2660 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2661 (sparc_mangle_fundamental_type): New.
2663 2006-02-06 Jakub Jelinek <jakub@redhat.com>
2665 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
2666 (s390x-*-linux*): Likewise.
2667 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
2668 * config/s390/t-linux: New file.
2670 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2672 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
2673 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
2675 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
2677 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
2678 (ANTIC_SAFE_LOADS): New macro.
2679 (find_or_generate_expression): Add prototype.
2680 (set_contains_value): Allow null set for sake of not always having
2681 to allocate ANTIC_SAFE_LOADS.
2682 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
2683 Allow COMPONENT_REF too.
2684 (valid_in_set): Allow COMPONENT_REF.
2685 Check ANTIC_SAFE_LOADS too.
2686 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
2687 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
2689 (can_PRE_operation): Add COMPONENT_REF.
2690 (create_component_ref_by_pieces): New function.
2691 (create_expression_by_pieces): Use create_component_ref_by_pieces.
2692 (insert_aux): Move AGGREGATE_TYPE_P check here.
2693 (compute_avail): Set bb local stmt uids.
2694 (pass_pre): Use TODO_update_ssa_only_virtuals.
2696 2006-02-06 Ben Elliston <bje@au.ibm.com>
2698 * configure.ac: Unconditionally disable decimal float by default.
2699 * configure: Regenerate.
2701 2006-02-06 Ben Elliston <bje@au.ibm.com>
2703 * read-rtl.c (read_name): Terminate reading on EOF.
2705 2006-02-06 Ben Elliston <bje@au.ibm.com>
2707 * dfp.c (decimal_real_arithmetic): Change second argument type
2708 from int to enum tree_code. Do not always return true, but now
2709 return result of any call to decimal_do helper functions.
2710 * dfp.h (decimal_real_arithmetic): Update prototype.
2712 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
2714 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
2716 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
2719 * tree-cfg.c (cleanup_dead_labels): Also don't remove
2722 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2724 * tree-vrp.c (cfg_loops): Removed.
2725 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
2726 Use current_loops instead of cfg_loops. Pass flags to
2727 loop_optimizer_init.
2728 * cfgloopmanip.c (fix_loop_structure): Update only available
2730 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
2731 loop_optimizer_init.
2732 * modulo-sched.c (build_loops_structure): Removed.
2733 (sms_schedule): Use loop_optimizer_init.
2734 * loop-init.c (loop_optimizer_init): Use flags to determine
2735 which properties of loops to prepare.
2736 (rtl_loop_init): Pass flags to loop_optimizer_init.
2737 * tree-ssa-sink.c (execute_sink_code): Ditto.
2738 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
2739 * tree-ssa-pre.c (init_pre): Ditto.
2740 * cfgloop.h (LOOPS_NORMAL): New.
2741 (loop_optimizer_init): Declaration changed.
2743 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2745 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
2746 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
2748 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
2750 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
2752 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
2753 * pa/t-pa64: Delete quadlib.c rule.
2754 * pa/x-ada: Revert last change.
2755 * pa/t-pa: Revert last change. Delete quadlib.c rule.
2757 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2759 PR rtl-optimization/26087
2760 * rtlanal.c (canonicalize_condition): Do not cross basic block
2763 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
2766 * config/ia64/ia64.c: Include debug.h.
2767 (MAX_ARTIFICIAL_LABEL_BYTES): New.
2768 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
2769 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
2770 (process_epilogue, process_set, process_for_unwind_directive):
2771 Output unwind info only if requested. Add CFA info if requested.
2772 Add new arguments as needed. Adjust callers.
2773 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
2775 (DWARF2_FRAME_INFO): Define to zero.
2776 * config/ia64/unwind-ia64.c: Remove code that compensated for
2777 the CFA offset error fixed above.
2778 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
2779 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
2780 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
2781 -funwind-tables and -fexceptions to enable frame info.
2782 (dwarf2out_frame_init): Define initial CFA even if
2783 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
2784 DWARF2_UNWIND_INFO is nonzero, not just defined.
2785 (dwarf2out_frame_finish): Output non-EH call frame info only
2786 if DWARF2_FRAME_INFO is nonzero.
2787 (convert_cfa_to_loc_list,
2788 compute_frame_pointer_to_cfa_displacement): Define even if
2789 unwind info is not supported.
2790 (gen_subprogram_die): Use the above unconditionally. Remove
2791 legacy alternate code.
2792 * toplev.c (compile_file): Compile in call to
2793 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
2794 (lang_dependent_init): Ditto for dwarf2out_frame_init.
2796 2006-02-04 David Edelsohn <edelsohn@gnu.org>
2797 Jakub Jelinek <jakub@redhat.com>
2799 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
2800 IBM extended float format long double as "g" on powerpc*-linux.
2802 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2805 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
2806 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
2808 2006-02-03 Jason Merrill <jason@redhat.com>
2811 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
2814 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
2815 on the return slot if it's an NRV.
2817 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
2819 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
2820 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
2821 rewrite_use): Do not handle USE_OUTER.
2822 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
2823 add_iv_outer_candidates, may_replace_final_value,
2824 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
2825 (find_interesting_uses_op): Functionality of
2826 find_interesting_uses_outer_or_nonlin moved here.
2827 (find_interesting_uses_outside): Use find_interesting_uses_op.
2829 2006-02-03 Alan Modra <amodra@bigpond.net.au>
2832 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
2834 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
2835 Ulrich Weigand <uweigand@de.ibm.com>
2838 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
2839 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
2840 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
2841 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
2843 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
2844 (s390_rtx_costs): Use the new fields to calculate rtx costs.
2845 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
2846 Define secondary reloads for TFmode moves.
2847 (constant_modes): Add TFmode.
2848 (NR_C_MODES): Set to 8.
2849 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
2851 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
2852 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
2853 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
2854 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
2855 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
2856 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
2857 (FPR mode macro): Add TFmode.
2858 (DSF mode macro): New.
2859 (<de>, <dee> mode attributes): Removed.
2860 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
2861 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
2862 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
2863 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
2864 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
2865 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
2866 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
2867 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
2868 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
2869 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
2870 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
2871 "*negabs<mode>2", "sqrt<mode>2"):
2872 Changed <de> to <xde>. R constraint replaced by <Rf>.
2873 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
2875 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
2876 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
2877 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
2879 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
2880 "extenddftf2", "extendsftf2"): New expanders.
2881 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
2882 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
2883 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
2884 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
2886 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
2887 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
2888 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
2889 __floatditf): Add a GCC_4.1.0 symbol version tag.
2890 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
2893 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
2896 * config/i386/i386.c (ix86_function_ok_for_sibcall):
2897 Use targetm.binds_local_p instead of TREE_PUBLIC.
2899 2006-02-02 Roger Sayle <roger@eyesopen.com>
2901 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
2902 on INTEGER_TYPEs to indicate that it denotes a character type.
2903 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
2904 signed_char_type_node, unsigned_char_type_node and char_type_node.
2905 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
2906 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
2907 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
2909 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
2910 Daniel Berlin <dberlin@dberlin.org>
2912 * tree-tailcall.c (arg_needs_copy_p): New function.
2913 (eliminate_tail_call): Use arg_needs_copy_p.
2914 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
2915 (add_virtual_phis): New function.
2917 2006-02-02 Jakub Jelinek <jakub@redhat.com>
2919 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
2920 #ignore instead of #scratch for %g7 .register directive.
2922 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
2924 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
2927 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2929 * flow.c (calculate_global_regs_live): Assert that there aren't any
2932 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
2934 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
2936 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
2937 bsi_after_labels iterator.
2938 * tree-if-conv.c (find_phi_replacement_condition,
2939 replace_phi_with_cond_modify_expr): Likewise.
2940 * tree-scalar-evolution.c (scev_const_prop): Likewise.
2941 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
2943 2006-02-02 Diego Novillo <dnovillo@redhat.com>
2945 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
2947 2006-02-02 Diego Novillo <dnovillo@redhat.com>
2950 * tree-cfg.c (move_block_to_fn): Clear out the basic block
2951 array after growing it.
2953 2006-02-01 Steve Ellcey <sje@cup.hp.com>
2956 * fold-const.c (fold_checksum_tree): Change type of buf.
2958 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
2960 * reload.c (push_secondary_reload): Initialize t_icode.
2962 2006-02-01 Jakub Jelinek <jakub@redhat.com>
2964 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
2965 -msoft-float -mlong-double-128 only issue a warning, but don't
2966 swich to DFmode long double.
2968 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
2970 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
2971 has a constant equivalent, iterate over equivalents for arg0,
2972 calling simplify_relational_operation and if there's a result
2973 cheaper than X, apply fold_rtx and return the result.
2975 2006-02-01 Jan Hubicka <jh@suse.cz>
2977 * opts.c (no_unit_at_a_time_default): New global variable.
2978 (decode_options): Use it.
2979 * opts.h (no_unit_at_a_time_default): Declare.
2981 2006-02-01 Paul Brook <paul@codesourcery.com>
2983 * function.c (assign_parm_setup_reg): Use function argument promotion
2985 * expr.c (expand_expr_real_1): Use function argument promotion rules
2988 2006-02-01 Steve Ellcey <sje@cup.hp.com>
2990 * gcc.c (process_command): Change j to 'unsigned int'.
2992 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2995 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
2996 Use the corrected index for the character
2997 out of the string constant.
2999 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3001 * mode-switching.c (optimize_mode_switching): Fix size
3002 allocated for bb_info[n_entities].
3004 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3006 * gcc.c (main): Correct type that is allocated for
3007 explicit_link_files.
3009 2006-01-31 Jakub Jelinek <jakub@redhat.com>
3011 * config/s390/s390.c (init_alignment_context): Set
3012 ALIAS_SET_MEMORY_BARRIER on the MEM.
3013 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
3015 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
3018 * loop-unroll.c (unroll_loop_runtime_iterations): Free
3020 * tree-ssa-live.c (type_var_init): Allocate bitmap after
3023 2006-01-31 Marcin Dalecki <martin@dalecki.de>
3025 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
3026 * regrename.c: Ditto.
3027 * tree-ssa-loop-im.c: Ditto.
3028 * tree-dump.c: Ditto.
3029 * tree-complex.c: Ditto.
3030 * genrecog.c: Ditto.
3031 * tree-ssa-threadupdate.c: Ditto.
3033 * java/class.c: Ditto.
3034 * java/jcf-parse.c: Ditto.
3035 * java/resource.c: Ditto.
3036 * java/except.c: Ditto.
3037 * java/jvspec.c: Ditto.
3038 * java/jcf-write.c: Ditto.
3039 * java/jcf-path.c: Ditto.
3040 * java/gjavah.c: Ditto.
3041 * java/zextract.c: Ditto.
3042 * java/jcf-io.c: Ditto.
3043 * java/jcf.h: Ditto.
3044 * java/buffer.c: Ditto.
3045 * java/lang.c: Ditto.
3046 * java/parse-scan.y: Ditto.
3047 * java/lex.c: Ditto.
3048 * java/lex.h: Ditto.
3049 * cfgloopmanip.c: Ditto.
3050 * postreload-gcse.c: Ditto.
3051 * tree-ssa-loop-manip.c: Ditto.
3052 * postreload.c: Ditto.
3053 * tree-ssa-loop-ch.c: Ditto.
3057 * diagnostic.c: Ditto.
3059 * genoutput.c: Ditto.
3061 * cfghooks.c: Ditto.
3062 * cfgloopanal.c: Ditto.
3063 * objc/objc-act.c: Ditto.
3065 * genextract.c: Ditto.
3066 * genautomata.c: Ditto.
3067 * pretty-print.c: Ditto.
3069 * cgraphunit.c: Ditto.
3072 * haifa-sched.c: Ditto.
3073 * dominance.c: Ditto.
3075 * tree-ssa-loop-ivopts.c: Ditto.
3077 * mode-switching.c: Ditto.
3078 * modulo-sched.c: Ditto.
3080 * ipa-pure-const.c: Ditto.
3082 * fix-header.c: Ditto.
3084 * tree-stdarg.c: Ditto.
3085 * ipa-utils.c: Ditto.
3086 * loop-init.c: Ditto.
3087 * ipa-inline.c: Ditto.
3090 * alloc-pool.c: Ditto.
3091 * dwarf2out.c: Ditto.
3093 * genattrtab.c: Ditto.
3094 * tree-ssa-loop-ivcanon.c: Ditto.
3098 * fortran/gfortranspec.c: Ditto.
3100 * local-alloc.c: Ditto.
3101 * langhooks.c: Ditto.
3102 * function.c: Ditto.
3103 * tree-vectorizer.c: Ditto.
3105 * ipa-type-escape.c: Ditto.
3107 * tree-if-conv.c: Ditto.
3110 * tree-data-ref.c: Ditto.
3111 * loop-unroll.c: Ditto.
3112 * treelang/treetree.c: Ditto.
3115 * ggc-common.c: Ditto.
3117 * coverage.c: Ditto.
3119 * tree-cfgcleanup.c: Ditto.
3120 * tree-ssa-pre.c: Ditto.
3121 * cfgcleanup.c: Ditto.
3122 * loop-invariant.c: Ditto.
3124 * ipa-prop.c: Ditto.
3125 * print-tree.c: Ditto.
3126 * conflict.c: Ditto.
3127 * ggc-page.c: Ditto.
3128 * sched-deps.c: Ditto.
3129 * regclass.c: Ditto.
3130 * tree-object-size.c: Ditto.
3132 * bb-reorder.c: Ditto.
3133 * resource.c: Ditto.
3134 * var-tracking.c: Ditto.
3136 * df-problems.c: Ditto.
3137 * reg-stack.c: Ditto.
3140 * sched-rgn.c: Ditto.
3141 * tree-ssa-structalias.c: Ditto.
3142 * tree-ssa-reassoc.c: Ditto.
3143 * config/darwin-c.c: Ditto.
3144 * config/darwin.c: Ditto.
3145 * config/arm/arm.c: Ditto.
3147 * collect2.c: Ditto.
3150 2006-01-31 Nicolas Pitre <nico@cam.org>
3152 * arm.md (smaxsi3): Make aware of smax_m1.
3155 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
3157 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
3159 2006-01-31 Richard Guenther <rguenther@suse.de>
3161 * doc/invoke.texi (-msselibm): Document.
3162 * target.h (expand_library_builtin): New target hook.
3163 * builtins.c (expand_builtin): Use expand_library_builtin.
3164 (default_expand_library_builtin): New function.
3165 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3166 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3167 (link_gcc_math_spec): Declare.
3168 (static_specs): Add link_gcc_math_spec.
3169 * expr.h (default_expand_library_builtin): Declare.
3170 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3171 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3172 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3173 * config/i386/i386.opt (msselibm): New target option.
3174 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3175 (ix86_init_sse_abi_builtins): New function.
3176 (ix86_expand_library_builtin): Likewise.
3177 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3178 (override_options): Handle error conditions wrt -msselibm.
3179 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3180 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3181 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3184 2006-01-31 Richard Guenther <rguenther@suse.de>
3185 Paolo Bonzini <bonzini@gnu.org>
3187 * doc/install.texi (--disable-libgcc-math): Document.
3189 2006-01-30 Marcin Dalecki <martin@dalecki.de>
3191 * expr.h (expand_normal): new inline function.
3192 * builtins.c: use it, use EXPAND_NORMAL explicitely.
3194 * dwarf2out.c: use it.
3199 * config/sparc/sparc.c: use it.
3200 * config/i386/i386.c: use it.
3201 * config/rs6000/rs6000.c: use it.
3202 * config/arm/arm.c: use it.
3203 * config/mips/mips.c: use it.
3204 * stmt.c: use it, use EXPAND_NORMAL explicitely.
3206 2006-01-30 Roger Sayle <roger@eyesopen.com>
3208 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
3209 argv to the appropriate type.
3211 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
3213 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
3216 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
3219 * config/s390/s390.c (struct machine_function): New flag
3220 decomposed_literal_pool_addresses_ok_p.
3221 (s390_reorg): Set it before final stage of literal pool transforms.
3222 (s390_decompose_address): Only accept displacements of the form
3223 (minus (label_ref ...) (label_ref ...)) if that flag is set.
3225 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
3227 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
3228 the comparison routine return.
3230 2006-01-30 Michael Matz <matz@suse.de>
3232 * global.c (find_reg): Only evict for global regs.
3233 Take n_refs into account and dump more info.
3235 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
3238 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
3239 (pragma_trap, pragma_nosave_low_regs): Likewise.
3240 (current_function_anonymous_args): Likewise.
3241 (sh_deferred_function_attributes): New variable.
3242 (sh_deferred_function_attributes_tail): Likewise.
3243 (print_operand): For '@', look up trap_exit attribute.
3244 (calc_live_regs): Look up trapa_handler attribute. For trapa
3245 handlers, save/restore fpscr, but don't do any other
3246 interrupt-specific saves.
3247 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
3248 Fix check for partially saved registers to check for SHmedia.
3249 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
3250 (sh_output_function_epilogue): Don't clear any of the removed
3252 (sh_insert_attributes): Don't check pragma_interrupt.
3253 Insert deferred attributes. Check that interrupt attribute is
3254 present for other attributes that require its presence.
3255 (sh_attribute_table): Add new attributes trapa_handler and
3257 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
3258 Don't check for pragma_interrupt. Don't store argument.
3259 * sh.h (pragma_interrupt, sp_switch): Don't declare.
3260 (sh_deferred_function_attributes): Declare.
3261 (sh_deferred_function_attributes_tail): Likewise.
3262 * sh.md (sp_switch_1): Add operand. Change generator caller.
3263 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
3264 (*return_i): Don't use when trap_exit attribute is in effect.
3265 (*return_trapa): New insn pattern.
3267 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
3268 setting c_target_objs and cxx_target_objs.
3269 * t-sh: Add rule for sh-c.o.
3271 2006-01-30 Richard Guenther <rguenther@suse.de>
3274 * gimplify.c (gimplify_target_expr): Handle easy cases
3275 without creating a temporary.
3277 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
3279 * vec.h (safe_grow): Remove duplicated line.
3281 2006-01-29 Diego Novillo <dnovillo@redhat.com>
3284 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
3285 (expand_omp): ... here.
3286 (expand_omp_parallel): Only remove barriers for combined
3287 parallel+workshare constructs.
3289 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
3293 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3294 * tree.c (build_qualified_type): Chain the new type to the original
3295 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3296 a POINTER_TYPE or a REFERENCE_TYPE respectively.
3297 (build_pointer_type_for_mode): Only return unqualified types.
3298 (build_reference_type_for_mode): Likewise.
3300 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
3302 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
3303 * Makefile.in (CXX_COMPAT_WARN): Define.
3304 * configure: Regenerate.
3306 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
3309 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
3312 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3314 * toplev.c: Fix thinko.
3316 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3317 Marcin Dalecki <martin@dalecki.de>
3319 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
3320 (push_srcloc): Use XNEW.
3321 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
3323 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3325 * df-core.c (df_set_blocks): Deleted all variable.
3327 2006-01-28 Ian Lance Taylor <ian@airs.com>
3329 * cgraphunit.c (cgraph_assemble_pending_functions): Call
3330 cgraph_output_pending_asms.
3332 2006-01-28 Zack Weinberg <zackw@panix.com>
3334 * c.opt: Add -W(no-)overlength-strings.
3335 * doc/invoke.texi: Document it.
3336 * c-opts.c (c_common_handle_option): -pedantic implies
3337 -Woverlength-strings, if not explicitly disabled already.
3338 (c_common_post_options): -Woverlength-strings defaults to off, and
3339 is always off for C++.
3340 * c-common.c (fix_string_type): Issue warning about strings longer
3341 than is portable only if warn_overlength_strings. Rearrange code
3342 a little for clarity.
3343 * configure.in: Check for -Wno-overlength-strings as well before
3344 enabling -pedantic in stage 1.
3345 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
3346 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
3348 * genconditions.c (write_header, write_one_condition)
3349 (write_conditions, write_writer): Consolidate very long strings
3350 that were broken up to fit in C89 portable limit. Don't use
3351 printf when fputs will do.
3353 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
3355 * combine.c (simplify_comparison <AND>): Check
3356 TRULY_NOOP_TRUNCATION before start using a subreg.
3358 * config/mips/mips.md (*branch_zero<mode>,
3359 *branch_zero<mode>_inverted, *branch_equality<mode>,
3360 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
3361 Remove mode check from comparisons.
3363 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
3365 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
3367 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3369 * expmed.c (const_mult_add_overflow_p): Remove.
3370 * expr.h: Remove the prototype for const_mult_add_overflow_p.
3372 * recog.c (validate_replace_rtx_subexp): Remove.
3373 * recog.h: Remove the prototype for
3374 validate_replace_rtx_subexp.
3376 * integrate.h: Remove the prototype for
3377 copy_decl_for_inlining.
3378 * rtl.h: Remove the prototype for mark_constant_function.
3379 * tree-vectorizer.h: Remove the prototype for
3380 vect_strip_conversion.
3382 * modulo-sched.c (create_partial_schedule,
3383 free_partial_schedule, reset_partial_schedule): Make them
3386 * hooks.c (hook_bool_rtx_int_false): Remove.
3387 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
3389 2006-01-28 David Edelsohn <edelsohn@gnu.org>
3391 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3392 and -mlong-double-128 are incompatible.
3393 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
3394 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
3395 (TARGET_LIBGCC2_CFLAGS): Define.
3396 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
3397 (TARGET_LIBGCC2_CFLAGS): Same.
3398 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
3400 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3403 * c-typeck.c (build_binary_op): Perform implicit casts of
3404 operands before shortening them.
3406 * cfgloopmanip.c (split_loop_bb): Remove.
3407 * cfgloop.h: Remove the prototype for split_loop_bb.
3409 * cfgloop.c (flow_loop_outside_edge_p): Remove.
3410 * cfgloop.h: Remove the prototype for
3411 flow_loop_outside_edge_p.
3413 * emit-rtl.c (init_virtual_regs): Make it static.
3414 * function.h: Remove the prototype for init_virtual_regs.
3416 * recog.c (peephole2_optimize): Make it static.
3417 * recog.h: Remove the prototype for peephole2_optimize.
3419 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3421 * df-scan.c (df_record_entry_block_defs): Check if
3422 INCOMING_RETURN_ADDR_RTX is defined.
3424 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
3425 Kenneth Zadeck <zadeck@naturalbridge.com>
3427 PR rtl-optimization/24762
3428 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3429 * targhooks.c (hook_void_bitmap): New hook prototype.
3430 * targhoohs.h (hook_void_bitmap): Ditto.
3431 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
3432 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
3433 * target.h (live_on_entry): New function pointer.
3434 * df-scan.c (df_all_hard_regs): Removed.
3435 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
3436 (df_scan_free_internal): Added df->entry_block_defs.
3437 (df_scan_alloc): Ditto.
3438 (df_scan_dump): Ditto.
3439 (df_uses_record): Plumbed flag field properly thru calls.
3440 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
3441 This part fixes PR24762.
3442 (df_bb_refs_record): Added code to make the frame and arg
3443 pointers live in EH blocks.
3444 (df_refs_record): Added call to df_record_entry_block_defs.
3445 (df_record_entry_block_defs): New function.
3446 * df-core.c: Added comments to describe new artifical defs.
3447 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
3448 (entry_block_defs): New field in struct df.
3449 (df_all_hard_regs): Deleted.
3450 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3451 * df-problems.c (df_ru_bb_local_compute_process_def):
3452 Added code to handle artifical defs in the entry to a function.
3453 (df_ru_bb_local_compute): Ditto.
3454 (df_rd_bb_local_compute_process_def): Ditto.
3455 (df_rd_bb_local_compute): Ditto.
3456 (df_lr_bb_local_compute): Ditto.
3457 (df_ur_bb_local_compute): Ditto.
3458 (df_urec_bb_local_compute): Ditto.
3459 (df_chain_create_bb): Ditto.
3460 (df_ur_local_finalize): Removed entry.
3461 (df_urec_init): Ditto.
3462 (df_urec_local_finalize): Ditto.
3463 (df_ri_bb_compute): Added detection of last use of pseudos.
3464 * Makefile.in (df-scan.o): Updated dependencies.
3465 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
3466 * config/mips/mips.c (mips_set_live_on_entry): Added.
3467 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
3469 * dce.c (marked_insn_p): Added code to handle artifical defs.
3471 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3473 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
3475 (_mm_cvtsi128_si64): Likewise.
3476 (_mm_cvtsd_si64): Likewise.
3477 (_mm_cvttsd_si64): Likewise.
3478 (_mm_cvtsi64_sd): Likewise.
3479 (_mm_cvtsi64_si128): Likewise.
3480 * config/i386/mmintrin.h (_m_from_int64): Likewise.
3481 (_mm_cvtsi64_m64): Likewise.
3482 (_m_to_int64): Likewise.
3483 (_mm_cvtm64_si64): Likewise.
3484 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
3485 (_mm_cvttss_si64): Likewise.
3486 (_mm_cvtsi64_ss): Likewise.
3487 (_mm_cvtss_f32): Likewise.
3489 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
3491 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
3492 for pragma redefine_extname.
3494 2006-01-27 Jakub Jelinek <jakub@redhat.com>
3497 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
3498 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
3499 -mno-minimal-toc to previous content.
3500 (bispecs): Remove goal.
3501 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
3502 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
3503 compatibility aliases on powerpc-*-*gnu*.
3504 * config/rs6000/libgcc-ppc-glibc.ver: New file.
3505 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
3506 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
3507 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
3508 (ldblspecs): New goal.
3509 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
3510 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
3512 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
3513 L_sf_to_tf or L_df_to_tf is defined.
3515 2006-01-27 David Edelsohn <edelsohn@gnu.org>
3516 Alan Modra <amodra@bigpond.net.au>
3519 * config/rs6000/linux.h (POWERPC_LINUX): Define.
3520 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
3521 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
3522 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
3523 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
3524 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
3525 (rs6000_override_options): Initialize rs6000_ieeequad.
3526 Initialize TFmode format to ibm_extended_format if not
3528 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
3530 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
3531 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
3532 (function_arg_advance): IBM long double passed in two FPRs, not
3534 (function_arg): IBM long double passed in FPRs.
3535 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
3536 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
3537 Only multireg GPR aligned.
3538 (rs6000_init_libfuncs): Enable IBM long double functions if not
3540 (rs6000_generate_compare): Use IBM long double compare if not
3542 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
3543 (TARGET_IEEEQUAD): Define.
3544 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
3545 not TARGET_IEEEQUAD.
3546 * config/rs6000/rs6000.md: Enable TFmode patterns if
3548 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
3549 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3550 and -mlong-double-128 are incompatible.
3551 * doc/invoke.texi (-mabi): Collect options together. Add
3552 ibmlongdouble and ieeelongdouble.
3554 2006-01-27 Richard Sandiford <richard@codesourcery.com>
3556 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
3558 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
3559 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
3560 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
3561 * rtl.h (rtunion_def): Remove rt_ptr.
3563 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
3564 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
3565 * config/i386/winnt.c (i386_pe_mark_dllexport)
3566 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
3568 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
3570 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
3572 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3576 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
3577 pthread_key_delete. From John David Anglin. gthrw-ify
3578 pthread_getunique_np only if it it's not a macro. Delete
3580 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
3581 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
3582 __gthread_objc_condition_signal, __gthread_key_delete): Add
3583 "__attribute__ ((__unused__))" to unused arguments.
3584 (__gthread_recursive_mutex_init_function): Add missing return.
3585 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
3586 gthr-posix95.h: Use macro-based approach for name redirection
3587 on targets missing weakref.
3589 2006-01-26 Zack Weinberg <zackw@panix.com>
3591 * genconditions.c (write_header): In generated code, #ifdef out
3592 all includes and fake declarations, except includes of bconfig.h
3593 and system.h, unless GCC_VERSION >= 3001. Do not include
3594 gensupport.h in any case.
3595 (write_conditions): Generate a definition of struct c_test. Add
3596 a comment to the generated #endif.
3597 (write_one_condition): Escape backslashes in string too.
3598 (write_writer): Generated code must escape backslashes and quote
3599 marks (but not newlines) in the strings it writes.
3600 * Makefile.in (build/gencondmd.o): Update dependencies.
3602 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3605 * Makefile.in (insn-automata.o): Add header file dependencies.
3606 * genautomata.c: Add includes.
3608 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3611 * Makefile.in (insn-automata.o): Add -Wno-error flag.
3613 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3615 * configure.ac: Expect target tools paths to be passed from the toplevel
3616 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
3618 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
3620 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3623 * c.opt (Wpointer-sign): Init to -1.
3624 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
3625 OPT_pedantic, to 0 otherwise.
3626 * doc/invoke.texi: Update.
3628 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3630 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
3631 constants provided by 80387 instructions in the destination mode.
3633 2006-01-26 Richard Guenther <rguenther@suse.de>
3634 Andrew Pinski <pinskia@physics.uc.edu>
3637 partial PR tree-opt/17064
3638 * tree-ssa-structalias.c (intra_create_variable_infos):
3639 Create heap variables for incoming parameters if
3640 flag_argument_noalias > 1.
3641 (find_what_p_points_to): Look through default defs of
3644 2006-01-26 Jeff Law <law@redhat.com>
3647 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
3648 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
3649 within the VR_RANGE, use the VR_RANGE as the result, not the
3651 (adjust_range_with_scev): Reject ranges from SCEV which are out of
3652 bounds for the type.
3654 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
3656 * tree-ssa-alias.c (maybe_create_global_var): Change
3657 subvar walking to an assertion that we don't have subvar'd variables.
3659 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
3662 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
3663 Use a new variable, inner. PARM_DECLs are always non-weak.
3665 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
3667 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
3670 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
3672 * config/mips/mips.md (*clear_upper32): New combiner pattern.
3674 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
3676 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
3677 (smax_insn, smin_insn, smax_0, smin_0): New.
3679 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
3682 * config/cris/cris.c (cris_order_for_addsi3): New function.
3683 * config/cris/cris-protos.h: Prototype it.
3684 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
3685 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
3686 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
3687 (split for "op.S1 [rx=rx+i],ry (swapped)")
3688 (split for "op(s|u).S1 [rx=rx+i],ry")
3689 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
3690 Apply cris_order_for_addsi3 when generating addsi3 insns.
3692 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3694 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
3695 (TREE_BLOCK): Add call to EXPR_CHECK.
3697 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3700 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
3701 * tree-pretty-print.c (dump_omp_clause): Extract from ...
3702 (dump_omp_clauses): ... here.
3703 (dump_generic_node): Handle OMP_CLAUSE.
3704 * tree.c (omp_clause_num_ops): New.
3705 (omp_clause_code_name): New.
3706 (tree_code_size): Handle OMP_CLAUSE.
3707 (tree_size): Likewise.
3708 (make_node): Document handling of OMP_CLAUSE.
3709 (tree_node_structure): Handle OMP_CLAUSE.
3710 (omp_clause_check_failed): New.
3711 (omp_clause_range_check_failed): New.
3712 (omp_clause_operand_check_failed): New.
3713 (build_omp_clause): New.
3714 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
3715 * tree.h (enum omp_clause_code): Declare.
3716 (OMP_CLAUSE_SUBCODE_CHECK): Define.
3717 (OMP_CLAUSE_RANGE_CHECK): Define.
3718 (OMP_CLAUSE_ELT_CHECK): Define.
3719 (omp_clause_check_failed): Declare.
3720 (omp_clause_operand_check_failed): Declare.
3721 (omp_clause_range_check_failed): Declare.
3722 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
3723 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
3724 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
3725 (OMP_CLAUSE_LASTPRIVATE): Likewise.
3726 (OMP_CLAUSE_IF_EXPR): Likewise.
3727 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
3728 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
3729 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
3730 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
3731 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
3732 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
3733 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
3734 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
3735 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
3736 (OMP_CLAUSE_CODE): Define.
3737 (OMP_CLAUSE_SET_CODE): Define.
3738 (OMP_CLAUSE_CODE): Define.
3739 (OMP_CLAUSE_OPERAND): Define.
3740 (struct tree_omp_clause): Declare.
3741 (union tree_node): Add field 'omp_clause'.
3742 * treestruct.def (TS_OMP_CLAUSE): Define.
3743 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
3744 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
3745 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
3746 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
3747 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
3748 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
3749 (OMP_CLAUSE): Define.
3750 * print-tree.c (print_node): Handle OMP_CLAUSE.
3751 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
3752 * c-typeck.c: Likewise.
3753 * gimplify.c: Likewise.
3754 * c-omp.c: Likewise.
3755 * tree-nested.c: Likewise.
3756 * tree-inline.c: Likewise.
3757 * c-parser.c: Likewise.
3758 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
3761 2006-01-25 Roger Sayle <roger@eyesopen.com>
3763 PR rtl-optimization/25703
3764 * combine.c (try_combine): Handle zero_extract and strict_low_part
3765 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
3767 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
3769 * global.c: Fix comment typos.
3771 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
3774 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
3775 Use output_addr_const instead of assemble_name.
3777 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
3779 * Makefile.in (sched-vis.o): Update dependencies.
3780 * haifa-sched.c (sched_finish): Clear current_sched_info.
3781 * cfg.c (dump_bb_info): New, split from dump_flow_info.
3782 (dump_flow_info): Call it.
3783 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
3785 * basic-block.h (dump_bb_info): Declare.
3786 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
3787 option, and apply options only for dump files whose TDF_RTL,
3788 TDF_TREE, or TDF_IPA bits match.
3789 * rtl.h: Declare new functions exported from sched-vis.c.
3790 * sched-vis.c: Enable also if scheduling is not used.
3791 (print_value): Print the mode of registers if not inside scheduling.
3792 (print_insn): Make it work outside the scheduler. Beautify the output
3794 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
3796 2006-01-25 Richard Sandiford <richard@codesourcery.com>
3798 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
3799 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
3800 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
3801 depending on the value of CONSTANT_POOL_ADDRESS_P.
3802 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
3804 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
3805 rather than SYMBOL_REF_DECL.
3806 (rtx_constant_pool): Remove const_rtx_sym_htab.
3807 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
3808 (init_varasm_status): Don't initialize const_rtx_sym_htab.
3809 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
3810 Remove handling of const_rtx_sym_htab.
3811 (find_pool_constant): Delete.
3812 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
3813 rather than find_pool_constant.
3814 (get_pool_constant_for_function): Delete.
3815 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
3817 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
3818 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
3819 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
3820 (SYMBOL_REF_CONSTANT): New macro.
3821 (get_pool_constant_for_function): Delete.
3822 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
3823 rather than SYMBOL_REF_DECL.
3824 (i386_pe_mark_dllimport): Likewise.
3825 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
3826 rather than SYMBOL_REF_DECL.
3827 * config/darwin.c (machopic_indirect_data_reference): Likewise.
3828 (machopic_indirect_call_target): Likewise.
3830 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
3832 * flow.c (delete_noop_moves): Add missing EOL to dump message.
3834 2006-01-25 Richard Sandiford <richard@codesourcery.com>
3836 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
3838 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
3840 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
3842 2006-01-24 David Daney <ddaney@avtrex.com>
3845 * configure.ac (enable_tls): New enable option.
3846 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
3847 * configure: Regenerate.
3848 * doc/install.texi (--enable-tls): Document new option.
3849 (--disable-tls): Ditto.
3851 2006-01-24 Richard Henderson <rth@redehat.com>
3853 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
3854 * alias.c (true_dependence): Respect it.
3855 (canon_true_dependence, write_dependence_p): Likewise.
3856 * builtins.c (get_builtin_sync_mem): Set it.
3858 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
3860 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
3863 2006-01-24 DJ Delorie <dj@redhat.com>
3865 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
3866 for storing constants in single-bit bitfields.
3868 2006-01-25 Ben Elliston <bje@au.ibm.com>
3870 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
3872 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
3875 * tree-ssa-pre.c (phi_translate): Return NULL
3876 for AGGREGATE_TYPE's.
3878 2006-01-24 Zack Weinberg <zackw@panix.com>
3880 * genautomata.c (process_state_for_insn_equiv_partition):
3881 Use xcalloc for insn_arcs_array.
3882 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
3883 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
3885 2006-01-24 Richard Henderson <rth@redhat.com>
3887 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
3890 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
3892 PR rtl-optimization/25890
3893 PR rtl-optimization/25905
3894 * combine.c (expand_compound_operation, expand_field_assignment):
3895 Fail if the bitfield's final position is out of bounds.
3897 2006-01-24 Ian Lance Taylor <ian@airs.com>
3900 * cgraphunit.c (cgraph_output_in_order): Don't clear
3901 cgraph_asm_nodes until after asm strings have been output.
3903 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
3905 * fix-header.c (read_scan_file): Add new parameter imultilib when
3906 calling register_include_chains.
3908 2006-01-23 Diego Novillo <dnovillo@redhat.com>
3910 * omp-low.c: Update documentation.
3912 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
3913 Daniel Berlin <dberlin@dberlin.org>
3917 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
3918 return from the function.
3920 2006-01-22 Zack Weinberg <zackw@panix.com>
3922 * rtl.def (match_code): Add second argument.
3923 * genpreds.c (write_extract_subexp): New function.
3924 (write_match_code): Add path argument. Use write_extract_subexp.
3925 (write_predicate_expr): Pass path to write_match_code.
3926 (mark_mode_tests): MATCH_CODE applied to a subexpression does
3927 not perform a mode test.
3928 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
3929 a subexpression does not constrain the top-level code set.
3930 * read-rtl.c (read_rtx_variadic): New function.
3931 (read_rtx_1): Use it; allow AND and IOR to be variadic.
3932 * doc/md.texi: Document new notation.
3933 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
3934 (cmpsi_operand): ... here, using new notation.
3936 2006-01-22 Zack Weinberg <zackw@panix.com>
3938 * varray.c: Remove GENERATOR_FILE #ifdefs.
3940 2006-01-22 Zack Weinberg <zackw@panix.com>
3942 * genautomata.c (output_reserved_units_table): Emit nothing if
3943 description->query_units_num is zero. Remove extra blank line.
3944 (output_cpu_unit_reservation_p): Short circuit
3945 if description->query_units_num is zero.
3947 2006-01-22 Zack Weinberg <zackw@panix.com>
3949 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
3950 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
3951 nor any of the random handful of variables that used to be necessary
3952 when this program was linked with rtlanal.o. Prune set of forward
3953 function declarations.
3954 (struct attr_desc): Remove static_p field.
3955 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
3956 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
3957 (attr_string): Do not read the character one past the length of
3959 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
3960 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
3961 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
3962 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
3963 (make_automaton_attrs): New.
3964 (main): Do not call into genautomata. Call local gen_bypass
3965 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
3966 Remove special case for insn_alts.
3967 * genautomata.c: Include gensupport.h; not genattrtab.h nor
3968 varray.h (leftover from previous change). Prune set of forward
3969 function declarations. Remove state_alts fields from all
3970 structures. Remove state_alts_table from struct automaton.
3971 Make everything except main static. Do not maintain num_dfa_decls.
3972 Do not maintain state_alts fields of various structures.
3973 (process_decls): Don't validate condexp for dm_insn_reserv decls.
3974 (add_arc): Remove state_alts argument. All callers updated.
3975 (output_reserved_units_table): Emit #ifdef here...
3976 (output_tables): ...not here. Don't generate state_alts tables.
3977 (expand_automata): Don't generate attributes.
3978 (write_automata): Don't generate state_alts functions.
3979 (main): New function.
3980 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
3981 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
3982 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
3983 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
3984 (BYPASS_P_FUNC_NAME, output_state_alts_table)
3985 (output_automata_list_state_alts_code, output_internal_state_alts_func)
3986 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
3987 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
3989 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
3990 * genattrtab.h: Delete file.
3991 * Makefile.in (OBJS-common): Add insn-automata.o.
3992 (insn-automata.o): New rule.
3993 (simple_generated_c): Add insn-automata.c.
3994 (build/genattrtab.o, build/genautomata.o): Update dependencies.
3995 (genprogmd): Add automata.
3996 (build/genattrtab): Needs no extra objects nor libraries.
3997 (build/genautomata): Needs build/vec.o and -lm.
3999 2006-01-22 Zack Weinberg <zackw@panix.com>
4001 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
4002 (output_dfa_max_issue_rate, locked_states_num): Delete.
4003 (struct automaton): Add locked_states field.
4004 (output_dead_lock_vect): Save number of locked states in
4005 automaton->locked_states. If it is zero, don't print anything.
4006 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
4007 (output_internal_dead_lock_func): Only test the dead_lock_vect
4008 for automata that have locked states.
4009 (output_statistics): Always print the number of locked states for
4010 each automaton. Calculate total number of locked states here.
4011 (write_automata): Don't call output_dfa_max_issue_rate.
4012 * genattrtab.c: Define length_unit_log as a const variable.
4013 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
4014 max_insn_queue_index const.
4015 * final.c (length_unit_log): Declare const.
4016 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
4018 2006-01-22 Zack Weinberg <zackw@panix.com>
4020 * genautomata.c: Include vec.h, not varray.h.
4021 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
4022 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
4023 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
4024 VEC_* macros operating on appropriately typed vectors, or to
4025 malloced arrays when the size is known in advance. Const-ify
4026 many char* variables and function arguments. No functional changes.
4027 * Makefile.in (build/varray.o): Delete rule.
4028 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
4029 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
4031 2006-01-22 Zack Weinberg <zackw@panix.com>
4033 * gensupport.c: Define get_insn_name and record_insn_name here.
4034 (read_md_rtx): Call record_insn_name as appropriate.
4035 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
4036 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
4037 * genpreds.c, genrecog.c: Don't define get_insn_name nor
4039 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
4040 (BUILD_VARRAY): Delete.
4041 (genprognormal): Rename genprogmd. Fold in all programs from
4042 genprognoprint; also attrtab.
4043 (build/genattrtab): Just mention genautomata.o and varray.o.
4044 Reorganize a bit, add comments to make the categories clearer.
4046 2006-01-22 Zack Weinberg <zackw@panix.com>
4048 * genconditions.c (condition_table, add_condition): Delete.
4049 (write_conditions): Don't emit n_insn_conditions nor
4050 insn_elision_unavailable. Issue the gcc version #ifdef here,
4051 inside the table, with no #else clause ...
4052 (write_header): ...not here.
4053 (write_writer): New function.
4054 (main): Don't initialize condition_table. Use add_c_test.
4056 * gensupport.c (init_md_reader_args_cb): Handle multiple input
4057 files on the command line.
4058 (maybe_eval_c_test): Don't check insn_elision_unavailable.
4059 Return -1 if there is no entry in the table, don't abort.
4060 (add_c_test, traverse_c_tests): New functions.
4061 * gensupport.h (insn_elision_unavailable, insn_conditions)
4062 (n_insn_conditions): Delete declarations.
4063 (add_c_test, traverse_c_tests): Declare.
4064 * read-rtl.c: Include gensupport.h.
4065 (read_conditions): New function.
4066 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
4067 (read_rtx_1): If we get EOF when we were looking for an initial
4068 open paren, return 0. Call read_conditions when appropriate.
4069 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
4070 dummy-conditions.o. Eliminate references to insn-conditions.o,
4071 or change them to build/gencondmd.o, as appropriate. Remove
4072 insn-constants.h from $(simple_generated_h) and insn-conditions.c
4073 from $(simple_generated_c). For all files remaining in those
4074 two lists, add insn-conditions.md to the generator command line.
4075 Give insn-constants.h/s-constants their own rules. Add rules
4076 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
4077 (build/read-rtl.o): Depend on gensupport.h.
4078 (genprognormal): Include preds.
4079 (genprogearly): Rename genprognoprint; only difference is now that
4080 they don't link with $(BUILD_PRINT).
4081 * dummy-conditions.c: Delete.
4083 2006-01-22 Zack Weinberg <zackw@panix.com>
4085 * genextract.c: Don't include insn-config.h. Do include vec.h.
4086 Declare vectors of int, char, and locstr.
4087 (locstr): New typedef.
4088 (struct extraction): Make all array fields into bare pointers.
4089 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
4090 (insn_code_number): Delete.
4091 (accum_extract): New struct.
4092 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
4093 (gen_insn): Take insn_code_number as an argument. Use an
4094 accum_extract structure instead of loading data directly into
4095 a struct extraction, and having to know how big it might get.
4096 (walk_rtx): Operate entirely on an accum_extract structure.
4097 (print_path): Avoid unnecessary use of printf.
4098 (print_header): New function, split out of main. Distinguish
4099 more carefully between an unrecognizable insn and an insn that
4100 has the code number of a define_expand.
4101 (main): Pass insn_code_number to gen_insn. Call print_header
4102 only after parsing. Avoid unnecessary use of printf.
4103 * Makefile.in (build/vec.o): New rule.
4104 (build/genextract): Depend on build/vec.o.
4105 (build/genextract.o): Don't depend on insn-config.h.
4107 2006-01-22 Zack Weinberg <zackw@panix.com>
4109 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
4110 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
4111 practical. Eliminate per-generator-program link rules.
4113 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
4116 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4117 with a call expr to ...
4118 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4120 2006-01-23 Richard Guenther <rguenther@suse.de>
4122 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
4123 before make_edge with conditional EDGE_TRUE_VALUE.
4125 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
4126 Jan Hubicka <jh@suse.cz>
4127 Richard Guenther <rguenther@suse.de>
4129 PR rtl-optimization/25654
4130 * cfgexpand.c (aggregate_contains_union_type): New function.
4131 (add_alias_set_conflicts): Call it. Make sure to add conflicts
4132 for structure variables that contain a union type.
4134 2006-01-23 Richard Sandiford <richard@codesourcery.com>
4136 * gengtype.c (new_structure): Return the structure.
4137 (create_option): Add an extra "next" argument.
4138 (create_field): New function.
4139 (adjust_field_rtx_def): Use create_option and create_field.
4140 Remove a now-unnecessary call to find_structure.
4141 (adjust_field_tree_def): Likewise.
4142 (note_yacc_type): Remove an unnecessary call to find_structure.
4143 * gengtype.h (new_structure): Return the structure.
4144 (create_option): Add an extra argument.
4145 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
4146 (option): Adjust calls to create_option.
4148 2006-01-22 David Edelsohn <edelsohn@gnu.org>
4150 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
4152 2006-01-22 Paul Brook <paul@codesourcery.com>
4153 Peter Barada <peter@the-baradas.com>
4155 * config/m68k/m68k.md: Add Coldfire FPU support.
4156 Define FP mode macro and associated attributes.
4157 Use it for float mode patterns.
4158 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
4159 (LIBCALL_VALUE): Use m68k_libcall_value.
4160 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
4161 (m68k_function_value): Ditto.
4162 (emit_move_sequence): Ditto.
4163 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
4164 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
4165 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
4166 (MULTILIB_EXCEPTIONS): Ditto.
4167 * config/m68k/m68k.opt: Add mcfv4e.
4168 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
4169 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
4170 (m68k_output_function_prologue): Save ColdFire FPU registers.
4171 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
4172 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
4173 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
4174 ColdFire FPU registers.
4175 (m68k_libcall_value, m68k_function_value): New functions.
4176 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
4177 (LIBCALL_VALUE): Use m68k_libcall_value.
4178 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
4179 (MASK_COLDFIRE): Add MASK_CFV4E.
4180 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
4181 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
4182 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
4183 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
4184 (GO_IF_LEGITIMATE_ADDRESS): Use it.
4185 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
4186 * doc/invoke.tex: Document -mcfv4e on m68k.
4188 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
4190 * doc/contribute.texi: Change CVS to SVN and update the corresponding
4193 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
4196 * c-opts.c (c_common_handle_option): Don't include
4197 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
4198 * doc/invoke.texi (C++ Dialect Options): Document that
4199 -Wnon-virtual-dtor is no longer included in -Wall.
4201 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
4203 * gcov.c (print_version), gcov-dump.c (print_version),
4204 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
4207 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
4209 * df-scan.c (problem_SCAN): Added NULL reset function.
4210 (df_scan_reset_blocks): Added code to call reset block function
4211 (df_bb_refs_delete) Fixed comment.
4212 (df_insn_refs_delete): Made tolerant of deleting non existent info
4213 for dataflow problems that need to be reset.
4214 * df-core.c (df_set_blocks): Ditto.
4215 * df.h (struct df_problem): Added reset_fun.
4216 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
4217 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
4218 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
4219 functions to clear out all references to def-use or use-def chains.
4221 2006-01-21 Ben Elliston <bje@au.ibm.com>
4223 * varasm.c (assemble_real): Initialise data array.
4225 2006-01-20 Paul Brook <paul@codesourcery.com>
4227 Merge from csl-arm-branch.
4228 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
4229 * config/arm/arm.md (movdi): Force operands[1] to a register
4230 if we have a non-register source.
4231 (*arm_movdi, *movdf_soft_insn): Require that one of the
4232 operands be a register.
4233 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
4234 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
4236 2006-01-20 DJ Delorie <dj@redhat.com>
4238 * varasm.c (initialize_constant_valid_p): Allow pointers
4239 initialized from integer constants of lesser precision.
4240 (output_constant): Allow non-int-sized pointer modes to be
4241 initialized from integer constants.
4243 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
4246 * cppdefault.h (struct default_include): Add multilib flag.
4247 * cppdefault.c (cpp_include_defaults): Set it.
4248 * c.opt (-imultilib): New option.
4249 * c-opts.c (imultilib): New.
4250 (c_common_handle_option): Handle -imultilib.
4251 (c_common_post_options): Likewise.
4252 * c-incpath.c (add_standard_paths, register_include_chains):
4254 * c-incpath.h (register_include_chains): Add extra parameter.
4255 * gcc.c (do_spec_1): Generate -imultilib option.
4256 (The Specs Language): Update %I description.
4257 (process_command): Update copyright notice.
4258 * doc/cppopts.texi (-imultilib): Document.
4259 * doc/invoke.texi (-imultilib): Include in option summary.
4260 (%I): Update specs documentation.
4262 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4264 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
4266 2006-01-20 Richard Sandiford <richard@codesourcery.com>
4268 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
4271 2006-01-20 Richard Guenther <rguenther@suse.de>
4272 Steven Bosscher <stevenb.gcc@gmail.com>
4274 PR rtl-optimization/24626
4275 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
4276 EDGE_TRUE_VALUE if in RTL mode.
4279 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
4280 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
4282 2006-01-20 Dirk Mueller <dmueller@suse.com>
4285 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
4286 instead of a special NOP marker.
4287 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
4288 NOP marker handling.
4289 * c-common.h (empty_body_warning): Add forward declaration.
4290 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
4291 Now uses IS_EMPTY_STMT() instead of special NOP markers.
4293 2006-01-20 Paul Brook <paul@codesourcery.com>
4295 * Makefile.in (lang_checks): Keep going if mkdir fails.
4297 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4299 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
4300 be able to clean out basic block when not necessary.
4301 (df_scan_free): Fixed to properly delete information if df is
4302 unused before calling df_finish.
4303 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
4304 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
4306 (df_bb_refs_delete): New function.
4307 (df_refs_delete): Moved per block code to df_bb_refs_delete.
4308 * df-core.c (df_set_blocks): Added code to properly clean out
4309 unused blocks if they are not part of the blocks to consider.
4310 Added additional null check.
4311 (df_compact_blocks): Added basic block parameter to free_bb_fun to
4312 be able to clean out basic block when not necessary
4313 * df.h (df_free_bb_function): Ditto.
4314 (df_bb_refs_delete): New function.
4315 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
4316 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
4317 basic block parameter to be able to clean out basic block when not
4319 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
4320 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
4321 Fixed to properly delete information if df is unused before
4324 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4326 PR rtl-optimization/25799
4327 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
4328 Corrected confluence operator to remove bits from op2 before oring
4329 with op1 rather than removing bits from op1.
4330 (df_ru_transfer_function): Corrected test on wrong bitmap which
4331 caused infinite loop. Both of these problems were introduced in
4332 the dataflow rewrite.
4334 2006-01-19 DJ Delorie <dj@redhat.com>
4336 * reload1.c (find_reload_regs): Note the details of reload
4337 failures in the dump file.
4338 (spill_failure): Likewise.
4340 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4342 * loop-iv.c: Include df.h and hashtab.h.
4343 (enum iv_grd_result): New enum.
4344 (DF_REF_IV, DF_REF_IV_SET): New macros.
4345 (struct biv_entry): New.
4346 (df, bivs): New global variables.
4347 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
4348 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
4350 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
4351 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
4352 analyzed_for_bivness_p, record_biv): New functions.
4353 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
4354 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
4355 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
4357 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
4359 (iv_number_of_iterations): Use new interface to iv analysis.
4360 * loop-unroll.c: Do not include varray.h.
4361 (analyze_iv_to_split_insn): Use new interface to iv
4363 * loop-unswitch.c (may_unswitch_on): Ditto.
4364 * df.c (df_bitmaps_free): Only work for bbs for that structures are
4366 (df_bb_modify): Realloc tables to the new index.
4367 (df_find_use): New function.
4368 * df.h (df_find_use): Declare.
4369 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
4371 * cfgloop.h (struct rtx_iv): Remove analysed field.
4372 (iv_get_reaching_def): Removed.
4373 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
4374 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
4375 (loop-iv.o): Add df.h and hashtab.h dependency.
4376 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
4378 2006-01-20 Alan Modra <amodra@bigpond.net.au>
4381 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
4383 (__floatundisf, __floatundidf): Likewise.
4384 * libgcc2.h (IS_IBM_EXTENDED): Define.
4386 2006-01-19 DJ Delorie <dj@redhat.com>
4388 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
4390 2006-01-19 Paul Brook <paul@codesourcery.com>
4392 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
4393 as nothrow when unwinding tables are disabled.
4395 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4398 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
4399 of bit-field" when in system header.
4401 2006-01-19 DJ Delorie <dj@redhat.com>
4403 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
4404 the 16 bit shift limit of the m16c.
4406 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
4409 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
4410 * config/i386/i386.c (output_set_got): Output the label if we have one
4411 for the TARGET_DEEP_BRANCH_PREDICTION case.
4413 2006-01-19 Jan Hubicka <jh@suse.cz>
4414 H.J. Lu <hongjiu.lu@intel.com>
4415 Evandro Menezes <evandro.menezes@amd.com>
4417 * invoke.texi (generic): Document
4419 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
4420 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
4421 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
4422 (x86_use_incdec, x86_pad_returns): New variables
4423 (TARGET_CPU_DEFAULT_generic): New constant
4424 (TARGET_CPU_DEFAULT_NAMES): Add generic.
4425 (enum processor_type): Add generic32 and generic64.
4426 * i386.md (cpu attribute): Add generic32/generic64
4427 (movhi splitter): Behave sanely when both partial_reg_dependency and
4428 partial_reg_stall are set.
4429 (K8 splitters): Enable for generic as well.
4430 * predicates.md (incdec_operand): Use TARGET_INCDEC
4431 (aligned_operand): Avoid memory mismatch stalls.
4432 * athlon.md: Enable for generic64, new patterns for 128bit moves.
4433 * ppro.md: Enable for generic32
4434 * i386.c (generic64_cost, generic32_cost): New.
4435 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
4436 (x86_use_leave): Enable for generic64. (x86_use_sahf,
4437 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
4438 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
4439 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4440 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4441 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4442 x86_accumulate_outgoing_args, x86_prologue_using_move,
4443 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4444 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
4446 (x86_use_incdec, x86_pad_returns): New.
4447 (override_options): Add generic32 and generic64, translate "generic"
4448 to generic32/generic64 and "i686" to "generic32", refuse
4449 "generic32"/"generic64" as arch target.
4450 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
4451 (ix86_reorg): Honor PAD_RETURNS.
4453 2006-01-19 Diego Novillo <dnovillo@redhat.com>
4455 * tree-pretty-print.c (dump_generic_node): Handle
4456 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
4457 * cgraph.c (cgraph_expand_queue): Rename from
4458 cgraph_analyze_queue. Update all users.
4459 * cgraphunit.c (cgraph_assemble_pending_functions): Process
4460 cgraph_expand_queue.
4461 (cgraph_expand_all_functions): Likewise.
4462 (cgraph_finalize_pending_functions): Remove. Update callers.
4464 * tree.h (OMP_DIRECTIVE_P): Define.
4465 (OMP_PARALLEL_FN): Define.
4466 (OMP_PARALLEL_DATA_ARG): Define.
4467 (OMP_SECTIONS_SECTIONS): Define.
4468 * tree-pass.h (pass_expand_omp): Declare.
4469 * omp-low.c (struct omp_region): Declare.
4470 (struct omp_context): Remove fields 'parallel_type',
4471 'parallel_start_ix' and 'parallel_start_additional_args'.
4473 (struct omp_for_data): Rename from struct expand_omp_for_data.
4474 (omp_regions): New static variable.
4475 (root_omp_region): New static variable.
4476 (find_omp_clause): Make static.
4477 (is_in_combined_parallel_ctx): Remove.
4478 (is_combined_parallel): New.
4479 (extract_omp_for_data): Move earlier in the file.
4480 (workshare_safe_to_combine_p): New.
4481 (get_ws_args_for): New.
4482 (determine_parallel_type): Move earlier in the file.
4483 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
4485 (omp_copy_decl): Likewise.
4486 (create_omp_child_function): Likewise.
4487 (lookup_omp_region): New.
4488 (dump_omp_region): New.
4489 (debug_omp_region): New.
4490 (debug_all_omp_regions): New.
4491 (new_omp_region): New.
4492 (scan_omp_parallel): If parallel_nesting_level > 1, the
4493 directive is nested within another parallel directive.
4494 Set OMP_PARALLEL_FN.
4495 (scan_omp_for): Do not try to handle combined parallel+for
4497 Remove FIXME comment.
4498 (scan_omp_nested): Remove.
4499 (scan_omp_1): Do not call scan_omp_nested when
4500 parallel_nesting_level is > 1.
4501 Do not change the DECL_CONTEXT of local variables found.
4502 (lookup_decl_in_outer_ctx): New.
4503 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
4504 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
4505 (lower_reduction_clauses): Rename from expand_reduction_clauses.
4506 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
4507 If CTX is nested, lookup VAR in the outer context when
4508 building copy assignment.
4509 (lower_send_clauses): Rename from expand_send_clauses.
4510 If CTX is nested, lookup VAR in the outer context when
4511 building copy assignments.
4512 (lower_send_shared_vars): Rename from expand_send_shared_vars.
4513 If CTX is nested, lookup VAR in the outer context when
4514 building copy assignments.
4515 (expand_parallel_call): Rename from build_parallel_call.
4516 Handle combined parallel+workshare cases.
4517 Re-implement to emit code into the CFG.
4519 (expand_omp_parallel): Re-implement to emit code into the CFG.
4520 Call move_sese_region_to_fn to outline the sub-graph
4521 containing the parallel region.
4522 (expand_omp_for_1): Remove.
4523 (expand_omp_for_generic): Re-implement to emit code into the
4525 (expand_omp_for_static_nochunk): Likewise.
4526 (expand_omp_for_static_chunk): Likewise.
4527 (expand_omp_for): Likewise.
4528 (expand_omp_sections): Likewise.
4529 (remove_exit_barriers): New.
4530 (expand_omp_synch): New.
4532 (build_omp_regions_1): New.
4533 (build_omp_regions): New.
4534 (execute_expand_omp): New.
4535 (gate_expand_omp): New.
4536 (pass_expand_omp): Define.
4537 (lower_omp_sections): Rename from expand_omp_sections.
4538 Set OMP_SECTIONS_SECTIONS.
4539 (lower_omp_single_simple): Rename from expand_omp_single_simple.
4540 (lower_omp_single_copy): Rename from expand_omp_single_copy.
4541 (lower_omp_single): Rename from expand_omp_simple.
4542 (lower_omp_master): Rename from expand_omp_master.
4543 (lower_omp_ordered): Rename from expand_omp_ordered.
4544 (lower_omp_critical): Rename from expand_omp_critical.
4545 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
4546 (lower_omp_for): Re-implement.
4547 (lower_omp_parallel): Re-implement.
4548 (lower_regimplify): Rename from expand_regimplify.
4549 (lower_omp_1): Rename from expand_omp_1.
4550 If there are syntax errors in the program, replace every
4551 OpenMP directive with NOP.
4552 Call lower_omp_* instead of expand_omp_*.
4553 (lower_omp): Rename from expand_omp.
4555 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
4556 * tree-gimple.h (enum omp_parallel_type): Remove.
4557 (gimple_boolify): Declare extern.
4558 (find_omp_clause, determine_parallel_type): Remove.
4560 * gimple-low.c (lower_omp_directive): New.
4561 (lower_stmt): Call it.
4562 (record_vars_into): Move from ...
4563 (record_vars): ... here.
4564 Call record_vars_into with current_function_decl.
4566 * gimplify.c (struct gimplify_ctx): Remove fields
4567 combined_pre_p and combined_ctxp. Update users.
4568 (get_formal_tmp_var): Add documentation.
4569 (gimple_boolify): Make extern.
4570 (gimplify_expr_in_ctx): Remove. Update callers.
4571 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
4572 will always be a BIND_EXPR.
4573 (gimplify_expr): Handle OMP_RETURN_EXPR.
4574 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
4575 (OMP_PARALLEL): Add 3 operands.
4576 (OMP_SECTIONS): Add 1 operand.
4577 (OMP_RETURN_EXPR): Define.
4579 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
4580 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
4581 * tree-iterator.c (alloc_stmt_list): Assert that we are not
4582 creating a circular free list.
4583 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
4585 * tree-flow.h (move_sese_region_to_fn): Declare.
4586 (record_vars_into): Declare.
4587 * tree-cfg.c (make_omp_sections_edges): New.
4588 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
4589 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
4590 OMP_SECTIONS and OMP_SECTION.
4591 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
4592 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
4593 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
4594 (gather_blocks_in_sese_region): New.
4595 (struct move_stmt_d): Declare.
4597 (move_block_to_fn): New.
4598 (move_sese_region_to_fn): New.
4600 * passes.c (init_optimization_passes): Schedule
4601 pass_expand_omp after pass_init_datastructures.
4603 * tree-ssa-operands.c (get_expr_operands): Handle
4604 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
4605 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
4607 2006-01-19 Jeff Law <law@redhat.com>
4609 * tree-vrp.c (extract_range_from_assert): Refine the result range
4610 if the variable referenced by the ASSERT_EXPR has a range and
4611 either the tentative result range or the previous range is a
4614 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4616 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
4618 2006-01-19 Jan Hubicka <jh@suse.cz>
4620 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
4622 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
4624 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
4625 (expand_compound_operation, expand_field_assignment): Fail if the
4626 bit lengths of an extract operation are out of range.
4627 (make_extraction): Compute wanted_inner_mode based on the position
4628 and length of the extraction. Make it extraction_mode for non-constant
4629 positions, and do not modify offset in that case. When generating a
4630 new MEM, use a mode that can hold the extraction while keeping correct
4631 alignment. Remove code that supported MEMs wrapped by USEs.
4632 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
4634 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
4636 * config/s390/s390.md ("Y", "y"): New mode attribute.
4637 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
4638 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
4639 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
4640 "*addsi3_imm_cc", "*addsi3_carry1_cc",
4641 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
4642 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
4643 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
4644 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
4645 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
4646 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
4647 "addsi3", "subsi3"): Insn patterns removed.
4648 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
4649 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
4650 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
4651 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
4652 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
4653 "*sub<mode>3_cconly2"): New insn patterns.
4654 ("addsi3", "subsi3"): New expanders.
4656 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
4658 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
4659 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
4660 existing STMT_VINFO_VECTYPE if available.
4661 (vect_mark_relevant): Add special handling for stmts that are
4662 marked as STMT_VINFO_IN_PATTERN_P.
4663 (vect_analyze_loop): Call vect_pattern_recog.
4664 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
4665 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
4667 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
4668 (vect_recog_func_ptr): New function-pointer type.
4669 * tree-vect-patterns.c: New file.
4670 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
4671 (vect_recog_dot_prod_pattern, vect_pattern_recog):
4672 (vect_pattern_recog_1): New functions.
4673 (vect_pattern_recog_funcs): New array of function pointers.
4675 * tree-vectorizer.h (ternary_op): New enum value.
4676 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
4677 declaration. Revised documentation. Removed redundant dump prints.
4678 Removed redundant argument. Added support for reduction patterns.
4679 (vectorizable_reduction): Added support for reduction patterns.
4680 (vect_transform_stmt): Added support for patterns.
4682 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
4683 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
4684 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
4685 (expand_widen_pattern_expr): New function.
4686 (init_optabs): Initialize new optabs udot_prod_optab,
4688 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
4689 (sdot_prod_optab, udot_prod_optab): Define new optabs.
4690 (expand_widen_pattern_expr): New function declaration.
4691 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
4693 * tree-inline.c (estimate_num_insns_1): Added cases for new
4694 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4695 * tree-pretty-print.c (dump_generic_node): Likewise.
4696 (op_prio): Likewise.
4697 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4698 * tree-ssa-operands.c (get_expr_operands): Added case for
4700 * tree-vect-patterns.c (widened_name_p): New function.
4701 (vect_recog_dot_prod_pattern): Added function implementation.
4702 * tree-vect-transform.c (get_initial_def_for_reduction): Added
4703 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
4704 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
4705 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
4707 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
4708 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
4709 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
4710 (init_optabs): Initialize new optabs widen_ssum_optab,
4712 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
4713 (widen_ssum_optab, widen_usum_optab): Define new optabs.
4714 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
4715 use instead of type of def.
4716 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
4717 function implementation.
4718 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
4719 widen_ssumv8hi): New.
4721 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
4724 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4727 * c-decl.c (add_flexible_array_elts_to_size): New function.
4728 (finish_decl): Use it.
4730 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
4732 * diagnostic.h: Include options.h.
4733 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
4734 dependancies for diagnostic.h.
4735 * Makefile.in (DIAGNOSTIC_H): Add options.h.
4737 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
4739 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
4740 (ssa_ro_call_cache_valid): Ditto.
4741 * tree-ssa-alias.c (sort_tags_by_id): New function.
4742 (init_transitive_clobber_worklist): Ditto.
4743 (add_to_worklist): Ditto.
4744 (mark_aliases_call_clobbered): Ditto.
4745 (compute_tag_properties): Ditto.
4746 (set_initial_properties): Ditto.
4747 (compute_call_clobbered): Ditto.
4748 (compute_may_aliases): Call compute_call_clobbered and grouping.
4749 (compute_flow_sensitive_aliasing): Remove clobbering related code.
4750 (compute_flow_insensitive_aliasing): Grouping now happens in our
4752 (setup_pointers_and_addressables): Remove clobbering related code.
4753 (add_may_alias): Ditto.
4754 (replace_may_alias): Ditto.
4755 (get_nmt_for): Ditto.
4756 (create_global_var):
4757 (is_escape_site): Return an escape_type enumeration.
4758 * tree-flow-inline.h (is_call_clobbered): Global var does not
4759 imply call clobbered.
4760 (mark_call_clobbered): Take a reason for marking this. Remove
4761 marking of globalness, and cache invalidation.
4762 (clear_call_clobbered): Remove cache invalidation code.
4763 * tree-dfa.c (dump_variable): If details is on, dump the reason
4765 * tree-outof-ssa.c (create_temp): Copy escape mask from original
4767 * tree-flow.h (struct ptr_info_def): Add escape mask member.
4768 (struct var_ann_d): Ditto.
4769 (enum escape_type): New.
4770 (mark_call_clobbered): Adjust prototype.
4771 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
4772 are never call clobbered.
4773 Record reasons for escaping.
4774 * tree-ssa-structalias.h (is_escape_site): Update prototype.
4775 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
4776 (ssa_ro_call_cache_valid): Ditto.
4777 (clobbered_v_may_defs): Ditto.
4778 (clobbered_vuses): Ditto.
4779 (ro_call_vuses): Ditto.
4780 (clobber_stats): New.
4781 (init_ssa_operands): Zero out clobber stats.
4782 (fini_ssa_operands): Print out clobber stats.
4783 (get_call_expr_operands): Pass callee fndecl to
4785 (add_call_clobber_ops): Remove use of cache.
4786 Add use of PURE_CONST information.
4787 (add_call_read_ops): Remove use of cache.
4788 Add use of static not_read information.
4790 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
4792 Introduce TLS descriptors for i386 and x86_64.
4793 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
4794 (TARGET_ANY_GNU_TLS): New macro.
4795 (enum tls_dialect): Added TLS_DIALECT_GNU2.
4796 (struct machine_function): Add tls_descriptor_call_expanded_p.
4797 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
4798 (ix86_current_function_calls_tls_descriptor): Likewise.
4799 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
4800 (override_options): Introduce gnu2 tls dialect.
4801 (ix86_frame_pointer_required): Functions containing TLSCALLs are
4803 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
4805 (legitimize_tls_address): Adjust logic for GNU2 TLS.
4806 (ix86_init_machine_status): Initialize new field.
4807 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
4808 (ix86_tls_module_base): New.
4809 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
4810 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
4811 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
4812 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
4813 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
4814 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
4815 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
4816 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
4817 * config/i386/predicates.md (tls_modbase_operand): New.
4818 (tp_or_register_operand): New.
4820 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
4822 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
4823 (look_for_address_of): Ditto.
4824 (ipa_init): Walk the function decls.
4825 (static_execute): Don't set readonly on FUNCTION_DECL's.
4827 2006-01-18 Roger Sayle <roger@eyesopen.com>
4829 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
4830 for shifts where the source and destination registers are different.
4832 2006-01-18 Paul Brook <paul@codesourcery.com>
4834 Merge from csl-arm-branch.
4835 2005-03-14 Julian Brown <julian@codesourcery.com>
4836 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
4837 (aeabi_llsl): Likewise.
4838 (ashrdi3): Likewise.
4839 (aeabi_lasr): Likewise.
4840 (lshrdi3): Likewise.
4841 (aeabi_llsr): Likewise.
4842 2005-03-10 Julian Brown <julian@codesourcery.com>
4843 * config.gcc: Disable shared libgcc for SymbianOS.
4844 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
4846 2006-01-18 DJ Delorie <dj@redhat.com>
4848 * c-pragma.c (handle_pragma_diagnostic): New.
4849 (init_pragma): Register it.
4850 * doc/extend.texi: Document it.
4852 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
4853 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
4854 (diagnostic_context): Add classify_diagnostic[].
4855 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
4856 as errors if they're overridden to DK_WARNING.
4857 (diagnostic_initialize): Initialize classify_diagnostic[].
4858 (diagnostic_set_kind_override): New.
4859 (diagnostic_report_diagnostic): Check for kind changes.
4860 * opts.c (common_handle_option): Take lang_mask. Update callers.
4862 * common.opt (Werror=): New.
4863 * doc/invoke.texi: Document -Werror=*
4865 2006-01-18 Jeff Law <law@redhat.com>
4867 * tree-vrp.c (test_for_singularity): Correct test for new
4868 min limit. Use operand_equal_p rather than pointer equality
4869 for testing if new min/max values are equal.
4871 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
4872 using range information until after propagation and folding.
4874 2006-01-18 Richard Henderson <rth@redhat.com>
4875 Aldy Hernandez <aldyh@redhat.com>
4876 Jakub Jelinek <jakub@redhat.com>
4877 Diego Novillo <dnovillo@redhat.com>
4879 * omp-low.c: New file.
4880 * c-omp.c: New file.
4882 2006-01-18 Richard Henderson <rth@redhat.com>
4883 Jakub Jelinek <jakub@redhat.com>
4884 Diego Novillo <dnovillo@redhat.com>
4886 * doc/invoke.texi: Document -fopenmp.
4887 * tree-dump.h (debug_function): Declare.
4888 * hooks.c (hook_bool_tree_bool_false): New function.
4889 (hook_tree_tree_null): Remove.
4890 (hook_tree_tree_tree_null): New.
4891 * hooks.h: Update to match.
4892 * tree-pretty-print.c (debug_tree_chain): New.
4893 (print_generic_expr): Handle TDF_CHAIN.
4894 (dump_generic_node): Handle BLOCK.
4895 Do not abort with incomplete SWITCH_EXPRs.
4896 Do not dump body of an OpenMP directive if TDF_SLIM is given.
4897 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
4898 print space after directive name.
4899 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
4900 Handle OMP_MASTER and OMP_ORDERED.
4901 Handle printing of OMP_BODY just in one place, goto
4902 dump_omp_body in the rest of OMP_* nodes that have
4904 Don't handle clause nodes here. Update omp statements to
4905 use dump_omp_clauses.
4906 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
4907 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
4908 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
4909 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
4910 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
4911 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
4912 Adjust output for GOMP_PARALLEL.
4913 (dump_omp_clauses): New.
4914 (print_declaration): Dump DECL_VALUE_EXPR.
4915 (op_symbol_1): Split out of op_symbol.
4916 (dumping_stmts): Remove. Update all users.
4917 * cgraph.c (cgraph_analyze_queue): New.
4918 (cgraph_add_new_function): New.
4919 * cgraph.h (cgraph_analyze_queue): Declare.
4920 (cgraph_add_new_function): Declare.
4921 (cgraph_lower_function): Remove.
4922 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
4923 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
4924 and TYPE_P nodes in its default clause.
4925 (empty_body_p): New.
4926 (tree_range_check_failed): New.
4928 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
4929 OMP_CLAUSE_REDUCTION_MERGE,
4930 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
4931 OMP_CLAUSE_PRIVATE_DEBUG,
4932 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
4933 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
4934 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
4935 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
4936 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
4937 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
4938 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
4939 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
4940 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
4941 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
4942 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
4943 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
4944 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
4945 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
4946 (TREE_RANGE_CHECK): New.
4947 (empty_body_p): Declare.
4948 (enum omp_clause_default_kind): New.
4949 (build_string_literal): Declare.
4950 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
4951 (build5_stat, build5): Declare.
4952 * tree-pass.h (TDF_CHAIN): Define.
4953 * tree-pass.h (PROP_gimple_lomp): Define.
4954 (pass_lower_omp): Declare.
4955 * diagnostic.h (debug_tree_chain): Declare.
4956 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
4958 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
4959 * builtins.c (build_string_literal): Make extern.
4960 * gcc.c (include_spec_function): New.
4961 (static_spec_functions): Add it.
4962 (main): Move load of libgomp.spec ...
4963 (LINK_COMMAND_SPEC): ... here.
4964 (link_gomp_spec): New.
4965 (static_specs): Include it.
4966 (LINK_COMMAND_SPEC): Add link_gomp.
4967 (GOMP_SELF_SPECS): New.
4968 (driver_self_specs): Include it.
4969 (switch_matches): Don't mark inline.
4970 (main): Load libgomp.spec.
4971 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
4972 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
4973 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
4974 * tree-gimple.h (enum omp_parallel): Declare.
4975 (determine_parallel_type): Declare.
4976 (omp_firstprivatize_variable): Declare.
4977 (omp_reduction_init): Declare.
4978 (diagnose_omp_structured_block_errors): Declare.
4979 (struct walk_stmt_info): Add want_return_expr.
4980 (struct walk_stmt_info): Add want_bind_expr, want_locations.
4981 (find_omp_clause): Declare.
4982 (insert_field_into_struct): Declare.
4983 (struct walk_stmt_info): Move from tree-nested.c
4984 (walk_stmts): Declare.
4985 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
4987 * cgraphunit.c (cgraph_lower_function): Make static.
4988 (cgraph_finalize_pending_functions): New.
4989 (cgraph_finalize_function): Call it.
4990 (cgraph_finalize_compilation_unit): Likewise.
4991 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
4992 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
4993 (BT_FN_UINT_UINT): New.
4994 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
4995 DEF_FUNCTION_TYPE_VAR_4): Document.
4996 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
4997 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
4998 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
4999 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
5000 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
5001 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
5002 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
5003 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
5004 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
5005 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
5006 into separate files.
5007 (DEF_GOMP_BUILTIN): New.
5008 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
5009 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
5010 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
5011 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
5012 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
5013 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
5014 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
5015 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
5016 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
5017 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
5018 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
5019 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
5020 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
5021 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
5022 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
5023 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
5024 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
5025 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
5026 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
5027 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
5028 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
5029 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
5030 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
5031 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
5032 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
5033 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
5034 * sync-builtins.def: New file, moved from builtins.def.
5035 * omp-builtins.def: New file, moved from builtins.def.
5036 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
5037 * gimple-low.c (lower_function_body): Clear data.
5038 (lower_stmt): Do not handle COMPOUND_EXPR.
5039 Remove call to print_node_brief.
5040 * c-tree.h (c_finish_omp_clauses): New prototype.
5041 (C_DECL_THREADPRIVATE_P): Define.
5042 (lookup_name_no_remap, c_omp_remap_private): Remove
5043 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
5044 (check_for_loop_decls): Update decl.
5045 (lookup_name_no_remap, c_omp_remap_private): Declare.
5046 (build_indirect_ref, build_modify_expr, pushdecl,
5047 pushdecl_top_level): Move to c-common.h.
5048 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
5049 before the switch, but just in the 2 places that need it.
5050 * c-decl.c (diagnose_mismatched_decls): Do not check for
5051 mismatched thread-local attributes when OLDDECL is marked
5052 threadprivate and NEWDECL has no thread-local attributes.
5053 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
5054 (c_gimple_diagnostics_recursively): Rename from
5055 c_warn_unused_result_recursively. Invoke
5056 diagnose_omp_structured_block_errors.
5057 (check_for_loop_decls): Return a singular decl found.
5058 * langhooks.c (lhd_omp_predetermined_sharing): Return
5059 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
5060 (lhd_omp_firstprivatize_type_sizes): New.
5061 (lhd_omp_assignment): New.
5062 (lhd_omp_predetermined_sharing): New.
5063 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
5064 (struct lang_hooks_for_types): Add
5065 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
5066 omp_predetermined_sharing, omp_disregard_value_expr,
5067 omp_private_debug_clause, omp_clause_default_ctor,
5068 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
5069 (c_finish_omp_clauses): New.
5070 (c_finish_bc_stmt): Diagnose break within omp for.
5071 (c_begin_omp_parallel, c_finish_omp_parallel): New.
5072 (build_unary_op): Return error_mark after reporting
5074 (build_modify_expr): Likewise.
5075 * gimplify.c: Include optabs.h and pointer-set.h.
5076 (enum gimplify_omp_var_data): Declare.
5077 (struct gimplify_omp_ctx): Declare.
5078 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
5080 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
5081 (push_gimplify_context, pop_gimplify_context): Allow nesting.
5082 (splay_tree_compare_decl_uid): New.
5083 (new_omp_context): New.
5084 (delete_omp_context): New.
5085 (gimple_add_tmp_var): Call omp_add_variable.
5086 (gimplify_bind_expr): Likewise.
5087 (gimplify_var_or_parm_decl): If omp_notice_variable returned
5088 true, disregard DECL_VALUE_EXPR on the decl if any.
5089 (gimplify_expr_in_ctx): New.
5090 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
5091 omp_add_variable, omp_notice_variable, omp_is_private
5092 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
5093 gimplify_adjust_omp_clauses, gimplify_omp_parallel
5094 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
5095 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
5096 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
5097 gimplify_omp_atomic): New.
5098 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5099 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5100 OMP_CRITICAL and OMP_ATOMIC.
5101 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
5102 * c-pragma.h (enum pragma_kind): Add
5103 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
5104 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
5105 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
5106 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
5107 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
5108 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
5109 PRAGMA_OMP_THREADPRIVATE.
5110 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5111 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5112 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
5113 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
5114 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
5115 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
5116 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
5117 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
5118 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
5119 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
5120 * tree-ssa-dce.c (find_control_dependence): Do not assume that
5121 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
5122 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
5124 (struct nesting_info): Add field_map,
5125 suppress_expansion, debug_var_chain.
5126 (create_nesting_tree): Initialize them.
5127 (lookup_field_for_decl): Use field_map.
5128 (get_nonlocal_debug_decl, get_local_debug_decl): New.
5129 (convert_local_omp_clauses): New.
5130 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
5131 (walk_body): Split out of walk_function.
5132 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
5133 (convert_nonlocal_reference): Handle omp statements.
5134 (convert_local_reference): Likewise.
5135 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
5136 (unnest_nesting_tree): New.
5137 (lower_nested_functions): Call it.
5138 (insert_field_into_struct): Make extern.
5139 (struct walk_stmt_info): Move to tree-gimple.h.
5140 (walk_stmts): Make extern.
5141 * omp-builtins.def: New file.
5142 * tree-iterator.c (expr_only): Clarify comment.
5143 * c-common.h (pushdecl_top_level, pushdecl,
5144 build_modify_expr, build_indirect_ref,
5145 c_finish_omp_master, c_finish_omp_critical,
5146 c_finish_omp_ordered, c_finish_omp_barrier,
5147 c_finish_omp_atomic, c_finish_omp_flush,
5148 c_finish_omp_for, c_split_parallel_clauses,
5149 omp_clause_default_kind, c_omp_sharing_predetermined,
5150 c_omp_remap_decl): Declare.
5151 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
5152 (OBJS-common): Add omp-low.o.
5153 (c-omp.o, omp-low.o): Add.
5154 (gimplify.o): Add dependency on $(OPTABS_H).
5155 (GTFILES): Add omp-low.c.
5156 (gt-stringpool.h): Add.
5157 * tree-cfg.c (set_bb_for_stmt): Do not update the
5158 block-to-labels map if we are currently expanding to RTL.
5159 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
5161 Handle IDENTIFIER_NODE.
5162 (tree_verify_flow_info): Do not ICE when emitting error
5163 messages about invalid labels.
5164 (dump_function_to_file): Reset CFUN before emitting the body
5166 (debug_function): New.
5167 * passes.c (init_optimization_passes): Schedule
5169 * langhooks-def.h (lhd_omp_predetermined_sharing,
5170 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
5172 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
5173 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
5174 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
5175 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
5176 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
5177 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
5178 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
5179 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
5180 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
5181 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
5182 (LANG_HOOK_DECLS): Use them.
5184 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
5185 Richard Henderson <rth@redhat.com>
5186 Jakub Jelinek <jakub@redhat.com>
5187 Diego Novillo <dnovillo@redhat.com>
5189 * c-parser.c (pragma_omp_clause): Define.
5190 (c_parser_declaration_or_fndef): Document OpenMP syntax.
5191 (c_parser_compound_statement): Likewise.
5192 (c_parser_statement): Likewise.
5193 (c_parser_pragma): Handle omp pragmas.
5194 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
5195 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
5196 (c_parser_omp_clause_name, check_no_duplicate_clause,
5197 c_parser_omp_variable_list,
5198 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
5199 c_parser_omp_clause_copyprivate,
5200 c_parser_omp_clause_default,
5201 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
5202 c_parser_omp_clause_lastprivate,
5203 c_parser_omp_clause_nowait,
5204 c_parser_omp_clause_num_threads,
5205 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
5206 c_parser_omp_clause_reduction,
5207 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
5208 c_parser_omp_all_clauses, c_parser_omp_structured_block,
5209 c_parser_omp_atomic, c_parser_omp_barrier,
5210 c_parser_omp_critical, c_parser_omp_flush,
5211 c_parser_omp_for_loop, c_parser_omp_for,
5212 c_parser_omp_master, c_parser_omp_ordered,
5213 c_parser_omp_sections_scope, c_parser_omp_sections,
5214 c_parser_omp_parallel, c_parser_omp_single,
5215 c_parser_omp_construct, c_parser_omp_threadprivate): New.
5216 * c-pragma.c (init_pragma): Do omp pragma registration here.
5217 * c.opt (fopenmp): New flag.
5219 2006-01-18 Eric Christopher <echristo@apple.com>
5221 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
5222 * config/darwin.h (GOMP_SELF_SPECS): Define.
5224 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5226 * rtl.h: Remove the prototype for reg_alloc.
5228 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5231 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
5232 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
5233 sjlj and dwarf2 exception handling.
5234 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
5235 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
5236 * pa/pa.c (function_value): Treat complex and vector types as
5238 (function_arg): Likewise. Only pass scalar floats in the floating
5239 point argument registers.
5240 * pa/t-slibgcc-dwarf-ver: New file.
5241 * pa/t-slibgcc-sjlj-ver: New file.
5242 * pa/t-slibgcc-elf-ver: Delete file.
5244 2006-01-19 Alan Modra <amodra@bigpond.net.au>
5246 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
5247 unlikely_test_section_p test.
5249 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5251 * mode-switching.c (optimize_mode_switching): Make it static.
5252 * basic-block.h: Remove the prototype for
5253 optimize_mode_switching.
5255 * modulo-sched.c (sms_schedule): Make it static.
5256 * rtl.h: Remove the prototype for sms_schedule.
5258 * postreload-gcse.c (gcse_after_reload_main): Make it static.
5259 * rtl.h: Remove the prototype for gcse_after_reload_main.
5261 * reg-stack.c (reg_to_stack): Make it static.
5262 * rtl.h: Remove the prototype for reg_to_stack.
5264 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
5266 * rtl.h: Remove the prototypes for regrename_optimize and
5267 copyprop_hardreg_forward.
5269 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
5271 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
5272 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
5273 Test against the appropriate null constant for the mode.
5274 If 'fixup_overlap' is true, swap the operands if they overlap.
5275 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
5276 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
5277 alpha_split_tmode_pair and adjust for above change.
5278 * config/alpha/alpha.md (movtf_internal): Adjust call to
5279 alpha_split_tfmode_pair and rely on it to swap the operands.
5280 (movti_internal): New insn and post-reload splitter.
5281 (movti): New expander.
5283 2006-01-18 Philippe De Muyter <phdm@macqel.be>
5285 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
5288 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5290 * rtlanal.c (global_reg_mentioned_p_1,
5291 global_reg_mentioned_p): Remove.
5292 * rtl.h: Remove the prototype for global_reg_mentioned_p.
5294 * flow.c (initialize_uninitialized_subregs): Make it static.
5295 * rtl.h: Remove the prototype for
5296 initialize_uninitialized_subregs.
5298 * function.c (instantiate_virtual_regs): Make it static.
5299 * function.h: Remove the prototype for
5300 instantiate_virtual_regs.
5302 * regmove.c (regmove_optimize, combine_stack_adjustments):
5304 * rtl.h: Remove the prototypes for regmove_optimize and
5305 combine_stack_adjustments.
5307 2006-01-17 Roger Sayle <roger@eyesopen.com>
5309 * config/i386/i386.c (COSTS_N_BYTES): New macro.
5310 (size_cost): Encode costs in bytes so that a reg-reg addition is
5311 equivalent to COSTS_N_INSNS(1).
5312 (override_options): Use the size_cost.branch_cost as the default
5313 ix86_branch_cost when optimizing for size.
5315 2006-01-18 Ben Elliston <bje@au.ibm.com>
5317 * Makefile.in (D32PBIT_FUNCS): New.
5318 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
5319 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
5320 D64PBIT_FUNCS and D128PBIT_FUNCS.
5321 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
5322 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
5324 (decnumber_dep): Define.
5325 * doc/libgcc.texi (Decimal float library routines): New node.
5326 * config/dfp-bit.h, config/dfp-bit.c: New files.
5328 2006-01-18 Ben Elliston <bje@au.ibm.com>
5330 * expr.c (emit_move_change_mode): Always adjust addresses, not
5331 just during reload. Copy replacements only during reload.
5332 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
5333 emit_move_via_integer.
5335 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
5337 * Makefile.in (check-%, check-consistency): Use $${srcdir}
5338 instead of $(srcdir) and ${srcdir}.
5340 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
5344 * arm.h (struct machine_function): Add pic_reg.
5345 * arm.c (arm_pic_register): Make unsigned.
5346 (arm_override_options): Only set arm_pic_register if
5347 TARGET_SINGLE_PIC_BASE.
5348 (use_return_insn): Only test for a pic register if it is fixed.
5349 (arm_compute_save_reg0_reg12_mask): Likewise.
5350 (thumb_compute_save_reg_mask): Likewise.
5351 (legitimate_pic_operand): Factor out some known invariants.
5352 (legitimize_pic_address): If we don't have a fixed pic register,
5353 then set up a pseudo in the function entry sequence. Handle the
5354 pic base being in a pseudo.
5355 (arm_load_pic_register): Handle the pic register being in a pseudo.
5356 (arm_expand_prologue): Only set up the pic register if it is fixed.
5357 (thumb_expand_prologue): Likewise.
5358 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
5359 (pic_load_addr_based_insn): Likewise.
5360 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
5363 2006-01-18 Ben Elliston <bje@au.ibm.com>
5365 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
5366 decimal float modes for all floating point registers.
5368 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
5369 match_code "mem" with match_test "macho_lo_sum_memory_operand".
5371 2006-01-17 Jakub Jelinek <jakub@redhat.com>
5374 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
5375 even when the pointer is not NULL.
5377 2006-01-16 Ian Lance Taylor <ian@airs.com>
5379 * common.opt (ftoplevel-reorder): New option.
5380 * cgraph.c (cgraph_asm_nodes): New global variable.
5381 (cgraph_asm_last_node): New static variable.
5382 (cgraph_order): New global variable.
5383 (cgraph_create_node): Set new order field.
5384 (cgraph_varpool_node): Likewise.
5385 (decide_is_variable_needed): Return true if not
5386 flag_toplevel_reorder.
5387 (cgraph_add_asm_node): New function.
5388 * cgraph.h (struct cgraph_node): Add order field.
5389 (struct cgraph_varpool_node): Add order field.
5390 (struct cgraph_asm_node): Define.
5391 (cgraph_asm_nodes, cgraph_order): Declare.
5392 (cgraph_add_asm_node): Declare.
5393 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
5395 (cgraph_varpool_assemble_pending_decls): Call it.
5396 (cgraph_output_pending_asms): New static function.
5397 (cgraph_finalize_compilation_unit): Call it.
5398 (struct cgraph_order_sort): Define.
5399 (cgraph_output_in_order): New static function.
5400 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
5401 !flag_toplevel_reorder case.
5402 * c-parser.c: Include "cgraph.h".
5403 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
5405 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
5406 than -fno-unit-at-a-time.
5407 * doc/invoke.texi (Option Summary): Mention
5408 -fno-toplevel-reorder.
5409 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
5410 -funit-at-a-time documentation.
5412 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
5413 Kazu Hirata <kazu@codesourcery.com>
5415 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
5417 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
5419 * Makefile.in (FUNCTION_H): New. Use it instead of
5420 function.h throughout the file.
5421 * function.h: Include tree.h.
5423 2006-01-17 Ben Elliston <bje@au.ibm.com>
5425 * recog.c: Separate some functions with whitespace.
5427 2006-01-16 Richard Henderson <rth@redhat.com>
5429 Merge from gomp branch:
5430 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
5431 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
5432 and rename from struct inline_data. Rename callee* to dst*;
5433 caller* to src*; add copy_decl hook, transform_call_graph_edges,
5434 transform_new_cfg, transform_return_to_modify, and
5435 transform_lang_insert_block flags; remove cloning_p, versioning_p,
5437 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
5438 (copy_decl_for_dup): Remove.
5439 * tree-inline.c (struct inline_data): Move to header.
5440 (insert_decl_map): Export.
5441 (remap_decl): Update for member name changes. Use copy_decl hook.
5442 Allow for replacement to be a non-decl. Remove dead code.
5443 (remap_type_1): Check for existing mapping.
5444 (remap_type): Export.
5445 (remap_decls): Update for member name changes.
5446 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
5447 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
5448 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
5449 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
5450 (tree_function_versioning, build_duplicate_type): Likewise.
5451 (copy_body_r): Likewise. Export.
5452 (copy_decl_for_dup): Split into ...
5453 (copy_decl_for_dup_finish, copy_decl_to_var,
5454 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
5455 (replace_ref_tree, inlining_p): Remove.
5457 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5459 * ifcvt.c (if_convert): Make it static.
5460 * rtl.h: Remove the prototype for if_convert.
5462 * local-alloc.c (local_alloc): Make it static.
5463 * rtl.h: Remove the prototype for local_alloc.
5465 * loop.c (loop_optimize): Make it static.
5466 * cfgloop.h: Remove the prototype for loop_optimize.
5469 2006-01-16 DJ Delorie <dj@redhat.com>
5471 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
5474 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5476 * pa.md: Disparage copies between general and floating-point registers
5477 in 32-bit move patterns.
5479 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
5482 * Makefile.in (check-%): Depend on site.exp instead of
5483 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
5486 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5488 * global.c (global_alloc): Make it static.
5489 * rtl.h: Remove the prototype for global_alloc.
5491 2006-01-16 Richard Guenther <rguenther@suse.de>
5493 * tree-ssa-alias.c (struct used_part): Add write_only field.
5494 (get_or_create_used_part_for): Initialize it to true.
5495 (create_overlap_variables_for): Don't create structure variables
5496 for structures that only are written to.
5497 (find_used_portions): Handle MODIFY_EXPR to track whether a
5498 structure is only written to.
5500 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5502 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
5504 * basic-block.h: Remove the prototype for
5505 partition_hot_cold_basic_blocks.
5507 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
5509 * cppspec.c (lang_specific_spec_functions): Remove.
5510 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
5511 * gcc.h (lang_specific_spec_functions): Remove.
5512 * gccspec.c (lang_specific_spec_functions): Remove.
5514 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
5516 * combine.c (record_value_for_reg): Invalidate registers
5518 (record_dead_and_set_regs_1): Likewise, by passing them to
5519 record_value_for_reg.
5520 (record_dead_and_set_regs): Invalidate stores made by a
5521 call. We do not combine across a call, but we still
5522 relied on equivalences.
5524 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5526 * tree-vrp.c (extract_range_from_binary_expr): Cope with
5527 vrp_int_const_binop returning non-constant nodes.
5529 2006-01-16 Paul Brook <paul@codesourcery.com>
5531 * config/m68k/m68k.c (output_move_const_into_data_reg):
5532 Output correct mnemonic for mvz and mvs.
5534 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
5536 * rtl-factoring.c: Add sequence abstraction algorithm.
5537 * cfgcleanup.c (outgoing_edges_match): Extra checks.
5538 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
5540 (block_has_preserve_label): New function.
5541 * common.opt: Register new pass.
5542 * Makefile.in: Ditto.
5544 * timevar.def: Ditto.
5545 * tree-pass.h: Ditto.
5546 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
5547 * rtl.h (make_jump_insn_raw): Add forward decl.
5548 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
5550 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5551 Roger Sayle <roger@eyesopen.com>
5553 * fold-const.c (fold_minmax): New static function.
5554 (fold_binary) <MIN_EXPR>: Call it.
5555 <MAX_EXPR>: Likewise.
5556 * stor-layout.c (place_field): Use DECL_SIZE consistently
5557 in the computation of the new record size.
5559 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5561 * cse.c (cse_condition_code_reg): Make it static.
5562 * rtl.h: Remove the prototype for cse_condition_code_reg.
5564 * combine.c (combine_instructions): Make it static.
5565 * rtl.h: Remove the prototype for combine_instructions.
5567 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5570 * tree.c (get_file_function_name_long): Concatenate the first global
5571 object name with a string derived from the input filename of the object
5574 2006-01-16 Ben Elliston <bje@au.ibm.com>
5576 * config/i386/winnt-stubs.c: Update FSF address.
5577 * config/xtensa/ieee754-df.S: Ditto.
5578 * config/xtensa/ieee754-sf.S: Ditto.
5580 2006-01-14 Ian Lance Taylor <ian@airs.com>
5582 * ifcvt.c (noce_init_if_info): New static function, broken out of
5583 noce_process_if_block.
5584 (noce_process_if_block): Call noce_init_if_info.
5585 (check_cond_move_block): New static function.
5586 (cond_move_process_if_block): New static function.
5587 (process_if_block): Call cond_move_process_if_block.
5589 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
5591 * cselib.c (hash_table): Rename to cselib_hash_table.
5592 (cselib_clear_table, discard_useless_values,
5593 remove_useless_values, cselib_lookup_mem, cselib_lookup,
5594 cselib_init, cselib_finish): Adjust uses of hash_table.
5596 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
5598 PR tree-optimization/25485
5599 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
5600 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
5601 is known to be false and true, respectively.
5603 2006-01-14 Richard Guenther <rguenther@suse.de>
5605 PR tree-optimization/22548
5606 PR tree-optimization/22555
5607 PR tree-optimization/22501
5608 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
5609 * params.def (salias-max-array-elements): New parameter.
5610 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
5611 * doc/invoke.texi (salias-max-array-elements): Document.
5612 * tree-flow-inline.h (var_can_have_subvars): We also handle
5614 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
5616 * tree-ssa-structalias.c (params.h): Include.
5617 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
5618 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
5619 (get_constraint_for): For ADDR_EXPR operating on something
5620 containing an ARRAY_REF, add all subvars to the solution.
5621 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
5622 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
5623 for creating MUST_DEFs.
5624 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
5626 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
5628 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
5630 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
5631 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5632 number_of_iterations_le): New functions.
5633 (number_of_iterations_special): Removed.
5634 (number_of_iterations_exit): Do not use number_of_iterations_special.
5635 * tree.c (unsigned_type_for): Always return integer type.
5637 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
5638 Richard Guenther <rguenther@suse.de>
5640 PR rtl-optimization/24257
5641 * gcse.c (find_moveable_store): Only consider a store movable
5642 when the SET_SRC of the insn can be assigned to a register.
5644 2006-01-14 Ian Lance Taylor <ian@airs.com>
5646 * tree.c (tree_not_class_check_failed): New function.
5647 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
5648 (tree_not_class_check_failed): Declare.
5650 2006-01-13 Ian Lance Taylor <ian@airs.com>
5652 * reload1.c (do_output_reload): Add assertion rejecting a
5655 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
5657 * combine.c (struct reg_stat): Add new fields truncation_label and
5659 (record_value_for_reg): Reset truncated_to_mode.
5660 (record_truncated_value): New function.
5661 (check_promoted_subreg): Call it. Rename to check_conversions.
5662 (combine_instructions): Rename check_promoted_subreg to
5664 (reg_truncated_to_mode): New function.
5665 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
5666 (gen_lowpart_or_truncate): New function.
5667 (force_to_mode): Use it instead of gen_lowpart.
5669 2006-01-13 Diego Novillo <dnovillo@redhat.com>
5671 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
5672 VAR is a tag, not its type tag.
5674 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
5676 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
5677 alternatives to match style of other entries.
5678 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
5680 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
5682 PR tree-optimization/25771
5683 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
5686 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
5689 * tree-inline.c (declare_return_variable): If the return variable
5690 was marked as a non gimple complex, set the return slot variable
5691 to be a non gimple comple variable.
5693 2006-01-13 Richard Guenther <rguenther@suse.de>
5695 * builtins.c (expand_builtin_sincos): New function.
5696 (expand_builtin_mathfn_3): Remove dead code, sin and cos
5698 (expand_builtin): Expand sincos using expand_builtin_sincos.
5700 2006-01-12 DJ Delorie <dj@redhat.com>
5702 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
5703 shift counts, separate SI shifts for m32c vs m16c, pass shift type
5704 so that constant shifts can be split.
5705 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
5706 (m32c_valid_pointer_mode): Make static.
5707 (shift_gen_func_for): New.
5708 (m32c_prepare_shift): Use it. Split large const shifts into
5710 * config/m32c/predicates.md (shiftcount_operand): Allow more
5712 (longshiftcount_operand): New.
5713 * doc/md.texi (Machine Constraints): Document In6.
5715 2006-01-13 Ben Elliston <bje@au.ibm.com>
5717 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
5718 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
5721 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
5723 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
5724 to try to avoid clobbering pieces of structures when we know
5725 something about the whole structure.
5726 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
5728 2006-01-13 Ben Elliston <bje@au.ibm.com>
5730 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
5731 return in memory, as this is no limitation is no longer present.
5733 2006-01-12 DJ Delorie <dj@redhat.com>
5735 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
5736 mova with fb, and for fb+0 -> An.
5738 * config/m32c/mov.md (peephole2): Fix enabling logic.
5740 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
5741 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
5742 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
5743 FINI_ARRAY_SECTION_ASM_OP): Define.
5745 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
5747 (m32c_legitimize_reload_address): New logic to reload FB to An.
5748 (m32c_output_reg_push): Add newline.
5749 (m32c_output_reg_pop): Likewise.
5751 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
5753 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
5755 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
5757 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
5759 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5761 * config/sh/predicates.md (sh_rep_vec): Add parallel to
5764 2006-01-11 Ben Elliston <bje@au.ibm.com>
5766 * rtlanal.c (find_reg_note): Assert insn is not null.
5768 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
5770 * df-scan.c (df_hard_reg_init): Move declaration of i outside
5773 2006-01-11 Jeff Law <law@redhat.com>
5775 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
5777 (mark_threaded_blocks, register_jump_thread): New functions.
5778 (thread_through_all_blocks): Remove unwanted argument. No
5779 longer rely on e->aux to communicate thread target info.
5780 Call mark_threaded_blocks. Release the threaded_blocks
5781 bitmap and threaded_edges vector when complete.
5782 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
5783 (threaded_blocks): Remove.
5784 (tree_ssa_dominator_optimize): Remove initialization and
5785 finalization of threaded_blocks. Simplify call to
5786 thread_through_all_blocks.
5787 (thread_across_edge): Call register_jump_thread rather than
5788 storing thread information into e->aux.
5789 (free_all_edge_infos): Simplify now that e->aux is no longer
5790 used to communicate with thread_through_all_blocks.
5791 * tree-flow.h (thread_through_all_blocks): Update prototype.
5792 (register_jump_thread): Prototype.
5794 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5796 * df-core.c (df_compact_blocks, df_bb_replace): Use
5797 SET_BASIC_BLOCK instead of BASIC_BLOCK.
5799 2006-01-11 Richard Guenther <rguenther@suse.de>
5801 PR tree-optimization/25734
5802 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
5803 stop propagation after successful propagation to the LHS.
5805 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5807 * basic-block.h (control_flow_graph): Change the type of
5808 x_basic_block_info to VEC(basic_block,gc) *.
5809 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
5811 (SET_BASIC_BLOCK): New.
5812 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
5813 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
5814 * cfgbuild.c (find_basic_blocks): Likewise.
5815 * cfglayout.c (fixup_reorder_chain): Likewise.
5816 * cfgrtl.c (create_basic_block_structure,
5817 rtl_create_basic_block): Likewise.
5818 * ifcvt.c (find_if_case_1): Likewise.
5819 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
5822 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
5824 * Makefile.in: Removed rotted odf.c entry.
5826 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
5829 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
5830 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
5831 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
5832 output pattern modifier, not %e.
5833 * config/cris/cris.c (cris_op_str): Update comment about pattern
5835 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
5836 before falling through into...
5837 <case 'E'>: Redefined from old 'e' case.
5839 2006-01-11 Jan Hubicka <jh@suse.cz>
5842 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
5844 2006-01-11 Jan Hubicka <jh@suse.cz>
5846 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
5847 * i386.c (x86_decompose_lea): Kill.
5848 (ix86_rtx_costs): Kill.
5850 2006-01-11 Jan Hubicka <jh@suse.cz>
5852 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
5853 * cgraph.h (cgraph_node): Add inline_decl.
5854 (cgraph_insert_node_to_hashtable): Declare.
5855 (save_inline_function_body): Declare.
5856 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
5858 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
5859 (cgraph_function_versioning): Update call of tree_function_versioning.
5860 (save_inline_function_body): New function.
5861 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
5862 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
5863 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
5864 (cgraph_default_inline_p): Likewise.
5865 (cgraph_decide_inlining_incrementally): Likewise.
5866 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
5867 (copy_bb): Kill saving; do updating of clones.
5868 (copy_cfg_body): Kill saving.
5869 (initialize_inlined-parameters): Likewise.
5870 (expand_call_inline): Likewise.
5872 (tree_function_versioning): New parameter "update_clones".
5873 (inlining_p): Kill saving.
5874 * tree-inline.h (tree_function_versioning): Update prototype.
5875 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
5878 2006-01-11 Ian Lance Taylor <ian@airs.com>
5880 * combine.c (struct undo): Remove is_int. Enumify types of undos.
5881 Allow undoing set of machine mode.
5882 (do_SUBST): Use enums instead of is_int.
5883 (do_SUBST_MODE): New function.
5884 (SUBST_MODE): New macro.
5885 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
5886 reg and trying to replace reg_regno_rtx with a new register.
5887 (undo_all): Use new enums, handle undoing a PUT_MODE change.
5888 (simplify_set): Use SUBST_MODE.
5889 (distribute_notes): Remove code that tried to update reg notes
5890 for regno_reg_rtx changes.
5892 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
5894 PR tree-optimization/23109
5895 PR tree-optimization/23948
5896 PR tree-optimization/24123
5898 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
5899 * tree-cfg.c (single_noncomplex_succ): New.
5900 * tree-flow.h (single_noncomplex_succ): Declare it.
5901 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
5902 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
5903 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
5904 insert_bb, register_division_in, insert_reciprocals,
5905 replace_reciprocal, free_bb): New.
5906 (execute_cse_reciprocals_1): Rewritten.
5907 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
5908 Do not commit any edge insertion. Always compute dominators and
5909 create the allocation pool.
5910 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
5911 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
5912 * targhooks.c (default_min_divistions_for_recip_mul): New.
5913 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
5914 * passes.c (init_optimization_passes): Run recip after tree loop
5916 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
5918 2006-01-11 Danny Berlin <dberlin@dberlin.org>
5919 Kenneth Zadeck <zadeck@naturalbridge.com>
5921 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
5922 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
5923 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
5924 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
5925 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
5926 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
5927 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
5928 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
5929 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
5930 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
5931 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
5932 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
5933 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
5934 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
5935 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
5936 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
5937 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
5938 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
5939 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
5940 DF_SCAN_POST_ALLOC): New macros.
5941 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
5942 df_free_bb_function, df_local_compute_function, df_init_function,
5943 df_dataflow_function, df_confluence_function_0,
5944 df_confluence_function_n, df_transfer_function,
5945 df_finalizer_function, df_free_function, df_dump_problem_function,
5946 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
5947 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
5948 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
5949 df_urec_bb_info, ) New types.
5950 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
5952 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
5953 df_analyze_simple_change_some_blocks,
5954 df_analyze_simple_change_one_block, df_compact_blocks,
5955 df_bb_replace, df_bb_regno_last_use_find,
5956 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
5957 df_insn_regno_def_p, df_find_def, df_find_use,
5958 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
5959 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
5960 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
5961 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
5962 debug_df_chain, df_get_dependent_problem, df_chain_create,
5963 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
5964 df_grow_bb_info, df_chain_dump, df_print_bb_index,
5965 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
5966 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
5967 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
5968 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
5969 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
5970 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
5971 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
5972 df_ref_remove, df_insn_refs_delete, df_refs_delete,
5973 df_reorganize_refs, df_set_state, df_hard_reg_init,
5974 df_read_modify_subreg_p) New public functions.
5975 * df-core.c: The core dataflow solver and glue routines for rtl
5977 (df_init, df_add_problem, df_set_blocks, df_finish,
5978 df_hybrid_search_forward, df_hybrid_search_backward,
5979 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
5980 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
5981 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
5982 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
5983 df_reg_defined, df_find_use, df_reg_used, df_dump,
5984 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
5985 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
5986 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
5987 debug_df_useno, reset_df_after_reload): New functions.
5988 * df-scan.c: The scanning fuctions, once in df.c, completely
5989 rewritten so that they now fully model the functionality of
5990 register usage at the backend.
5991 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
5992 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
5993 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
5994 df_grow_insn_info, df_rescan_blocks, df_ref_create,
5995 df_get_artificial_defs, df_get_artificial_uses,
5996 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
5997 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
5998 df_refs_delete, df_reorganize_refs, df_set_state,
5999 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
6000 df_def_record_1, df_defs_record, df_uses_record,
6001 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
6002 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
6003 df_record_exit_block_uses, df_hard_reg_init): New functions.
6005 * df-problems.c: Seven concrete dataflow problems that use the
6006 scanning in df-scan.c and are solved by the engine in df-core.c.
6007 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
6008 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
6009 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
6010 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
6011 df_ru_free_bb_info, df_ru_alloc,
6012 df_ru_bb_local_compute_process_def,
6013 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
6014 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
6015 df_ru_transfer_function, df_ru_free, df_ru_dump,
6016 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
6017 df_rd_free_bb_info, df_rd_alloc,
6018 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
6019 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
6020 df_rd_transfer_function, df_rd_free, df_rd_dump,
6021 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
6022 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
6023 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
6024 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
6025 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
6026 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
6027 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
6028 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
6029 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
6030 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
6031 df_urec_mark_reg_change, df_urec_check_earlyclobber,
6032 df_urec_mark_reg_use_for_earlyclobber,
6033 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
6034 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
6035 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
6036 df_urec_dump, df_urec_add_problem, df_chain_alloc,
6037 df_chain_create_bb_process_use, df_chain_create_bb,
6038 df_chain_finalize, df_chain_free, df_chains_dump,
6039 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
6040 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
6041 df_reg_lifetime): New functions.
6042 * df.c: Deleted file.
6043 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
6044 consistent with new df api.
6045 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
6046 rest_of_handle_sms): Ditto.
6047 * web.c (unionfind_union, union_defs, entry_register, web_main):
6049 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
6050 invariant_expr_equal_p, find_defs, check_dependencies,
6051 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
6052 free_inv_motion_data, move_loop_invariants): Ditto.
6053 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
6054 Update dependencies.
6055 (odf.c): Added defective entry that was deleted later in day.
6056 * sched-deps.c (sched_analyze_1): Ditto.
6058 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
6060 * tree-ssa-operands.c (get_expr_operands): Record addressable
6061 variables directly. Do not call add_stmt_operands for CONST_DECLs
6063 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
6064 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
6066 2006-01-11 Ben Elliston <bje@au.ibm.com>
6068 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
6069 function returns true in the positive case.
6071 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6074 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
6075 for SI, DI, SF and DF modes. Add alternatives to copy between
6076 general and floating point registers to the 32-bit patterns.
6077 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
6078 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
6079 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
6080 generating 64-bit code.
6081 * config/pa/pa.c (output_move_double): Handle copies between general
6082 and floating registers.
6084 2006-01-10 Stuart Hastings <stuart@apple.com>
6086 * config/i386/i386.md (set_got): Update.
6087 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
6088 (builtin_setjmp_receiver): Mach-O support.
6089 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
6090 (GOT_SYMBOL_NAME): Define.
6091 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
6092 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
6093 * config/i386/i386.c (override_options): Revise for Darwin.
6094 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
6095 support. (darwin_x86_file_end): New. (output_set_got): Add label
6096 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
6097 * config/i386/i386-protos.h (output_set_got): Likewise.
6098 * config/darwin.c (machopic_legitimize_pic_address): Update
6101 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
6103 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
6104 when MODE isn't BLKmode.
6106 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6108 PR rtl-optimization/25367
6109 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
6111 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
6114 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
6115 for a negative bound.
6117 2006-01-10 Richard Guenther <rguenther@suse.de>
6119 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6120 Never override with anything constraint.
6122 2006-01-10 Jan Beulich <jbeulich@novell.com>
6124 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
6125 256 bits when optimize_size.
6127 2006-01-10 Jan Beulich <jbeulich@novell.com>
6129 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
6131 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
6132 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
6135 2006-01-10 Ben Elliston <bje@au.ibm.com>
6137 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
6139 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
6140 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
6141 (USE_FP_FOR_ARG): Reject decimal float modes.
6142 (function_arg_advance): Likewise.
6143 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
6144 (rs6000_handle_altivec_attribute): Do not permit decimal floating
6145 point types in AltiVec vectors.
6146 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
6147 (rs6000_libcall_value): Likewise.
6149 2006-01-09 Bob Wilson <bob.wilson@acm.org>
6151 * config/xtensa/ieee754-df.S: New file.
6152 * config/xtensa/ieee754-sf.S: New file.
6153 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
6154 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
6155 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
6157 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
6159 * config/sh/predicates.md (binary_float_operator,
6160 binary_logical_operator, commutative_float_operator,
6161 equality_comparison_operator, greater_comparison_operator,
6162 less_comparison_operator, logical_operator,
6163 noncommutative_float_operator, shift_operator,
6164 symbol_ref_operand, unary_float_operator): Remove redundant
6167 2006-01-09 Jeff Law <law@redhat.com>
6169 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
6170 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
6171 now unused arguments. Callers updated.
6172 (eliminate_redundant_computations): Remove now unused arguments,
6174 (local_fold): Remove, no longer used.
6175 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
6177 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
6178 (simplify_cond): New function.
6179 (forward_propagate_into_cond): Call simplify_cond.
6181 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
6183 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
6184 (*vec_extractv2di_1_sse): New.
6186 2006-01-09 Ben Elliston <bje@au.ibm.com>
6188 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
6190 2006-01-08 Richard Guenther <rguenther@suse.de>
6192 * tree-ssa-structalias.c (get_constraint_for): Remove
6194 (get_constraint_for_component_ref): Likewise.
6195 (do_deref): Likewise.
6196 (get_constraint_for): Likewise.
6197 (do_structure_copy): Likewise.
6198 (handle_ptr_arith): Likewise.
6199 (find_func_aliases): Likewise. Remove unused need_anyoffset
6202 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
6203 Kaz Kojima <kkojima@gcc.gnu.org>
6205 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
6206 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
6207 (EXTRA_CONSTRAINT_C16): Remove.
6208 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
6209 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
6210 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
6211 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
6212 constants of SHmedia. Handle nested constant expressions of
6214 (andcosts): Fix the costs for SHmedia constants.
6215 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
6216 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
6217 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
6218 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
6219 (movv4hi_i, movv2si_i): Likewise.
6220 (movsi_const): Adjust the second operand of ior so to match with
6222 (movdi_const, movdi_const_32bit): Likewise.
6223 (movdi_const_16bit+1): Don't sign-extend LOW.
6224 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
6226 (*double_shori): Fix the split condition. Use GEN_INT instead
6227 of get_int_mode calls. Mask lower 16-bit of the argument of
6229 (sym2GOTPLT): Remove.
6230 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
6232 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
6233 instead of EXTRA_CONSTRAINT_C16.
6235 2006-01-07 Ian Lance Taylor <ian@airs.com>
6236 David Edelsohn <edelsohn@gnu.org>
6238 PR rtl-optimization/25662
6239 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
6240 for constant operands instead of simplify_gen_binary.
6241 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
6242 after trying simplify_binary_operation
6244 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
6246 * tree.c (iterative_hash_expr): Hash decls based on UID.
6248 2006-01-06 Eric Christopher <echristo@apple.com>
6250 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
6251 (TARGET_UNWIND_EMIT): Fix spelling.
6252 * target.h (gcc_target): Add except_table_label.
6253 * except.c (output_function_exception_table): Use.
6254 * varasm.c (default_emit_except_table_label): New.
6255 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
6257 (asm_out): Add here.
6258 * output.h (default_emit_except_table_label): Prototype.
6259 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
6260 * config/darwin.c (darwin_emit_except_table_label): Define.
6261 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
6263 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
6265 PR tree-optimization/18527
6266 * tree-ssa-loop-niter.c (number_of_iterations_cond,
6267 number_of_iterations_special, number_of_iterations_exit):
6268 Move base and step of an iv to a single structure. Add
6269 no_overflow flag, and use it in # of iterations analysis.
6270 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
6271 folded_casts argument.
6272 (simple_iv): Pass base and step in a structure. Set no_overflow
6274 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
6275 Evaluate expensiveness of computing # of iterations instead of
6276 the final expression.
6277 * tree-scalar-evolution.h (affine_iv): New structure.
6278 (simple_iv): Declaration changed.
6279 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
6280 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
6281 find_givs_in_stmt): Changed due to simple_iv change.
6283 2006-01-06 Jeff Law <law@redhat.com>
6286 * tree-cfg.c (bsi_replace): Rename final argument from
6287 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
6288 change (stmt -> orig_stmt).
6289 * tree-eh.c (verify_eh_throw_stmt_node): New function.
6290 (bsi_remove): Add new argument. Remove EH information
6292 (verify_eh_throw_table_statements): New function.
6293 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
6295 * tree-optimize.c (execute_free_cfg_annotations): Verify
6296 the EH throw statement table after removing annotations.
6297 * except.h (verify_eh_throw_table_statements): Prototype.
6298 * tree-flow.h (bsi_remove): Update prototype.
6299 * tree-vrp.c (remove_range_assertions): Add new argument to
6301 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
6302 * tree-complex.c (expand_complex_div_wide): Likewise.
6303 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
6304 * tree-tailcall.c (eliminate_tailcall): Likewise.
6305 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
6306 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
6307 * tree-nrv.c (tree_nrv): Likewise.
6308 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
6309 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
6310 (combine_blocks): Likewise.
6311 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
6312 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
6313 (cleanup_control_flow): Likewise.
6314 (remove_forwarder_block): Likewise.
6315 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
6316 * tree-sra.c (sra_replace): Likewise.
6317 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
6318 (forward_propagate_single_use_vars): Likewise.
6319 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
6320 * tree-inline.c (expand_call_inline): Likewise.
6321 * tree-vect-transform.c (vect_transform_loop): Likewise.
6322 * tree-outof-ssa.c (rewrite_trees): Likewise.
6323 * tree-cfg.c (make_goto_expr_edges): Likewise.
6324 (cleanup_dead_labels): Likewise.
6325 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
6326 (bsi_move_before, bsi_move_after): Likewise.
6327 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
6328 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
6330 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
6333 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
6335 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
6336 on non gimple variables. Also add checks at the top for decls and
6338 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
6340 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
6341 and IMAGPART_EXPR for creating MUST_DEFs.
6342 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
6343 and NAME_MEMORY_TAG separately from the DECLs.
6345 2006-01-06 Richard Guenther <rguenther@suse.de>
6347 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
6348 annotation, if necessary.
6349 * tree-ssa-pre.c (create_expression_by_pieces): Remove
6350 redundant calls to update_stmt.
6351 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
6354 2006-01-05 Richard Henderson <rth@redhat.com>
6356 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
6358 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6360 * c-typeck.c: Update copyright date.
6362 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6364 * c-typeck.c (build_c_cast): Always warn when casting
6365 from a pointer to an integer of different size, even if
6366 the node was constant.
6368 2006-01-05 Richard Guenther <rguenther@suse.de>
6370 PR tree-optimization/22555
6371 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
6372 if one structure field is an array.
6373 * tree-ssa-operands.c (get_expr_operands): Continue scanning
6374 operands even if we found a subvar, but ignore VOPs in this
6376 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
6378 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
6380 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
6383 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
6385 2006-01-05 Richard Guenther <rguenther@suse.de>
6386 Diego Novillo <dnovillo@redhat.com>
6388 * tree-pass.h (TODO_remove_unused_locals): Define.
6389 * gimple-low.c (expand_var_p, remove_useless_vars,
6390 pass_remove_useless_vars): Remove. Update all users.
6391 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
6392 (remove_unused_locals): New function.
6393 * tree-flow.h (remove_unused_locals): Declare.
6394 * passes.c (execute_todo): Call remove_unused_locals if
6395 TODO_remove_unused_locals is set.
6396 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
6397 * tree-ssa-dce.c (pass_dce): Likewise.
6398 * tree-outof-ssa.c (pass_del_ssa): Likewise.
6400 2006-01-05 Richard Guenther <rguenther@suse.de>
6402 * tree-flow.h (struct fieldoff): Decompose field to
6403 type, size and decl.
6404 * tree-ssa-alias.c (create_sft): Take type as parameter.
6405 (create_overlap_variables_for): Store type, size and decl
6406 in the fieldoff structure.
6407 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
6409 (push_fields_onto_fieldstack): Likewise.
6410 (create_variable_info_for): Likewise. Use offset for the
6411 SFT name if the decl is not available.
6413 2006-01-04 Paul Brook <paul@codesourcery.com>
6415 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
6417 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
6419 * lambda-code.c (can_put_in_inner_loop): Relax
6421 (can_put_after_inner_loop): New function.
6422 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
6423 (perfect_nestify): Change to make copies and modify uses.
6425 2006-01-04 Richard Henderson <rth@redhat.com>
6427 Merge from gomp branch:
6428 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
6429 via integer constant.
6430 (pragma_lex): Remove.
6431 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
6432 rather than parsing it.
6433 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
6434 handle_pragma_extern_prefix): Add %< %> quotes.
6435 (registered_pragmas): New.
6436 (c_register_pragma_1): New.
6437 (c_register_pragma): Use it.
6438 (c_register_pragma_with_expansion): Likewise.
6439 (c_invoke_pragma_handler): New.
6440 (init_pragma): Use cpp_register_deferred_pragma directly for
6442 * c-pragma.h (enum pragma_kind): New.
6443 (pragma_handler): New.
6444 (c_invoke_pragma_handler): Declare.
6445 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
6447 * c-common.h (c_common_pch_pragma): Update decl.
6448 * Makefile.in (c-parser.o): Update dependencies.
6449 (GTFILES): Add c-pragma.h.
6450 * c-parser.c (struct c_token): Add pragma_kind.
6451 (struct c_parser): Add in_pragma.
6452 (c_lex_one_token): Always initialize keyword and pragma_kind.
6453 Extract data for CPP_PRAGMA.
6454 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
6455 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
6456 Don't allow CPP_PRAGMA_EOL if in_pragma.
6457 (c_parser_consume_pragma): New.
6458 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
6459 (c_parser_skip_to_end_of_parameter): Likewise.
6460 (c_parser_skip_to_end_of_block_or_statement): Likewise.
6461 (c_parser_skip_to_pragma_eol): New.
6462 (c_parser_external_declaration): Handle CPP_PRAGMA.
6463 (c_parser_compound_statement_nostart): Likewise.
6464 (c_parser_statement_after_labels): Likewise.
6465 (c_parser_pragma): New.
6466 (pragma_lex): Likewise.
6467 (c_parser_pragma_pch_preprocess): New.
6468 (c_parser_new): Merge into ...
6469 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
6471 2006-01-04 Jeff Law <law@redhat.com>
6474 * tree-cfg.c (bsi_replace): Remove the original statement
6475 from the EH throw statement table.
6477 2006-01-04 Jakub Jelinek <jakub@redhat.com>
6479 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
6480 make the prototype extern "C" and add throw ().
6483 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
6484 and pos non-negative and pos + len <= 32.
6485 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
6486 drop pos + len < HOST_BITS_PER_WIDE_INT test.
6487 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
6490 * c-common.c (handle_vector_size_attribute): Reject zero vector size
6491 as well as sizes not multiple of component size.
6494 * function.c (instantiate_expr): New function.
6495 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
6496 walk its DECL_VALUE_EXPR with instantiate_expr.
6498 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
6499 DW_OP_deref{,_size} if address isn't going to be added.
6501 2006-01-04 Ben Elliston <bje@au.ibm.com>
6503 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
6504 * config/fp-bit.c: Likewise.
6506 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
6508 * dominance.c: Add comment about why we use DFS numbering
6511 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6512 Richard Henderson <rth@redhat.com>
6514 Merge from gomp-branch:
6515 * varasm.c (assemble_variable): Handle thread-local COMMON data.
6516 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
6518 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
6520 PR rtl-optimization/25578
6521 * combine.c (combine_simplify_rtx, force_to_mode): Don't
6522 pass a parameter to simplify_shift_const if changing ASHIFTRT
6525 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
6527 * builtins.c (get_builtin_sync_mem): New function.
6528 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
6529 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
6530 Call get_builtin_sync_mem to generate mem rtx.
6532 2006-01-03 Richard Guenther <rguenther@suse.de>
6535 * stmt.c (add_case_node): Make sure to clear overflow flags
6538 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6540 Merge from gomp-branch.
6541 * config/sparc/sync.md: New file.
6542 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
6543 UNSPECV_LDSTUB): New constants.
6544 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
6545 * config/sparc/predicates.md (memory_reg_operand): New predicate.
6546 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
6549 2006-01-03 Roger Sayle <roger@eyesopen.com>
6551 * combine.c (reg_subword_p): New predicate to test whether the
6552 destination of a set refers to a subword/piece of a register.
6553 (try_combine): Generalize the code to merge the setting of a
6554 pseudo to a constant followed by a set of a subword of that
6555 register to a constant.
6557 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
6559 * basic-block.h (control_flow_graph): Change the type of
6560 x_label_to_block_map to VEC(basic_block,gc) *.
6561 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
6562 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
6564 * tree-ssa-propagate.c (cfg_blocks): Change the type to
6565 VEC(basic_block,heap) *.
6566 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
6567 ssa_prop_fini): Adjust the uses of cfg_blocks.
6569 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
6571 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
6573 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
6574 hashing trees instead of a pointer hash.
6575 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
6576 compare for MEM_EXPR.
6578 PR rtl-optimization/25130
6579 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
6580 when comparing MEMs for GCSE
6582 2006-01-03 Ben Elliston <bje@au.ibm.com>
6584 * targhooks.h (default_decimal_float_supported_p): Declare.
6585 * targhooks.c (default_decimal_float_supported_p): Define.
6586 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
6587 `default_decimal_float_supported_p'.
6588 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
6590 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
6592 * combine.c (apply_distributive_law <SUBREG>): Check
6593 TRULY_NOOP_TRUNCATION.
6595 2006-01-02 Geoffrey Keating <geoffk@apple.com>
6597 * dwarf2out.c (have_switched_text_section): Delete.
6598 (have_multiple_function_sections): New.
6599 (have_location_lists): Make 'bool'.
6600 (add_AT_loc_list): Use 'true' not '1'.
6601 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
6602 (output_loc_list): Use have_multiple_function_sections.
6603 (output_ranges): Likewise.
6604 (dwarf2out_begin_function): Set have_multiple_function_sections if
6606 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
6607 Check function_section rather than DECL_SECTION_NAME.
6608 (dwarf2out_finish): Use have_multiple_function_sections.
6609 Don't clear have_location_lists.
6611 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
6612 Jan Hubicka <jh@suse.cz>
6614 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
6615 case of conditional jump jumping to the next instruction.
6616 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
6617 cases of conditional jump jumping to the next instruction.
6619 2006-01-02 Jan Hubicka <jh@suse.cz>
6621 * i386.c (*_cost): Add COSTS_N_INSNS.
6622 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
6624 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
6627 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
6629 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6631 * config/arm/arm.c (all_fpus): Fix comment typo.
6632 * config/darwin.c: Likewise.
6633 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
6634 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
6635 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
6637 2006-01-01 David Edelsohn <edelsohn@gnu.org>
6639 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
6640 (rs6000_split_compare_and_swapqhi): New.
6641 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
6642 (sync_compare_and_swapqhi_internal): New.
6643 * config/rs6000/rs6000-protos.h: Declare.
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