1 2006-03-08 Ben Elliston <bje@au.ibm.com>
3 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
5 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
11 2006-03-07 Richard Guenther <rguenther@suse.de>
13 PR tree-optimization/26587
14 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
16 2006-03-07 Richard Sandiford <richard@codesourcery.com>
18 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
20 2006-03-07 Richard Sandiford <richard@codesourcery.com>
22 * hooks.c (hook_bool_mode_rtx_true): New function.
23 * hooks.h (hook_bool_mode_rtx_true): Declare.
24 * toplev.c (compile_file): Call output_shared_constant_pool.
25 * varasm.c (shared_constant_pool): New variable.
26 (assemble_start_function, assemble_end_function): Remove arguments
27 from call to output_constant_pool.
28 (create_constant_pool): New function, split out from...
29 (init_varasm_status): ...here.
30 (force_const_mem): Choose between the shared and per-function constant
31 pools. Set current_function_uses_const_pool when reusing old entries
32 as well as when creating new ones.
33 (mark_constant): Ignore data argument.
34 (mark_constants): Remove pool argument.
35 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
36 to decide whether the function uses a constant pool.
37 (output_constant_pool_contents): New function, split out from...
38 (output_constant_pool): ...here.
39 (output_shared_constant_pool): New function.
40 (init_varasm_once): Initialize shared_constant_pool.
41 * output.h (output_constant_pool): Delete.
42 (output_shared_constant_pool): Declare.
43 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
44 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
46 2006-03-06 Nick Clifton <nickc@redhat.com>
48 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
51 2006-03-06 Ben Elliston <bje@au.ibm.com>
53 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
54 x86_64-*-linux* configurations.
56 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
57 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
59 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
61 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
63 * basic-block.h: Remove the extern for
64 rediscover_loops_after_threading.
66 * cfgloop.c (cancel_loop): Make it static.
67 * cfgloop.h: Remove the prototype for cancel_loop.
69 * flow.c (recompute_reg_usage): Make it static.
70 * rtl.h: Remove the prototype for recompute_reg_usage.
72 * function.c (use_return_register): Make it static.
73 * function.h: Remove the prototype.
75 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
77 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
79 * recog.h: Remove the prototype for
80 validate_change_maybe_volatile.
82 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
84 * rtlanal.c (replace_reg): Remove.
85 * rtl.h: Remove the prototype for replace_reg.
87 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
89 * regclass.c (reg_scan_update): Remove.
90 (reg_scan_mark_refs): Remove the last argument.
91 * rtl.h: Remove the prototype for reg_scan_update.
93 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
95 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
96 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
97 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
98 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
99 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
100 loop-invariant.c, omp-low.c, opts.c, passes.c,
101 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
102 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
103 tree-ssa-structalias.c, tree-ssa-threadedge.c,
104 tree-ssa-threadupdate.c, tree-vect-patterns.c,
105 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
106 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
108 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
110 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
111 * dwarf2out.h: Remove the prototype for
112 dwarf2out_add_library_unit_info.
114 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
116 * tree.c (add_var_to_bind_expr): Remove.
117 * tree.h: Remove the prototype for add_var_to_bind_expr.
119 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
121 * regclass.c (n_non_fixed_regs): Remove.
122 (init_reg_sets_1, globalize_reg): Remove all uses of
124 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
126 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
128 * rtlanal.c (insns_safe_to_move_p): Remove.
129 * rtl.h: Remove the prototype for insns_safe_to_move_p.
131 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
133 * expmed.c (expand_mult_add): Remove.
134 * expr.h: Remove the prototype for expand_mult_add.
136 2006-03-04 Jakub Jelinek <jakub@redhat.com>
138 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
139 and REG_SAVED_VAL_EXP constants.
140 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
141 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
142 Handle regs stored by value.
143 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
144 (execute_cfa_program): Handle DW_CFA_val_offset,
145 DW_CFA_val_offset_sf and DW_CFA_val_expression.
146 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
147 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
148 (uw_install_context_1): Handle target regs stored by value.
150 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
152 * tree-sra.c (tree_sra): Return todoflags;
153 (generate_one_element): Set TODO_update_smt_usage if needed.
154 (pass_sra): Remove TODO_update_smt_usage.
155 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
157 (tree_ssa_forward_propagate_single_use_vars): Return
158 TODO_update_smt_usage if we need to update SMT usage.
159 (pass_forwprop): Remove TODO_update_smt_usage.
161 2006-03-03 Diego Novillo <dnovillo@redhat.com>
163 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
164 (correct_use_link): Remove reference to get_stmt_operands.
165 (update_stmt_operands): Likewise.
166 (get_modify_expr_operands): New function factored out of
167 parse_ssa_operands and get_expr_operands.
168 Try to create V_MUST_DEFs for LHS by default.
169 (get_expr_operands) <case MODIFY_EXPR>: Call
170 get_modify_expr_operands.
171 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
172 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
173 (parse_ssa_operands) <case MODIFY_EXPR>: Call
174 get_modify_expr_operands.
176 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
178 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
179 * tree-flow.h: Remove the prototype for
180 referenced_var_lookup_if_exists.
182 2006-03-03 Steve Ellcey <sje@cup.hp.com>
184 PR rtl-optimization/26345
186 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
188 2006-03-03 Roger Sayle <roger@eyesopen.com>
190 PR tree-optimization/26524
191 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
192 fold_convert to create a constant of the appropriate type.
194 2006-03-03 Richard Sandiford <richard@codesourcery.com>
196 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
197 SYMBOL_REF_IN_BLOCK_P.
198 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
199 of SYMBOL_FLAG_IN_BLOCK.
200 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
201 instead of SYMBOL_REF_IN_BLOCK_P.
202 * explow.c (use_anchored_address): Likewise.
203 * rtl.c (rtx_size): Likewise.
204 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
205 instead of SYMBOL_FLAG_IN_BLOCK.
206 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
207 SYMBOL_REF_IN_BLOCK_P.
208 (assemble_variable): Likewise.
209 (output_constant_def_contents): Likewise.
210 (output_constant_pool): Likewise.
211 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
212 instead of SYMBOL_FLAG_IN_BLOCK.
213 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
214 SYMBOL_REF_IN_BLOCK_P.
215 (SYMBOL_REF_BLOCK): Likewise.
216 (SYMBOL_REF_OFFSET): Likewise.
217 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
218 SYMBOL_REF_IN_BLOCK_P.
219 (SYMBOL_FLAG_IN_BLOCK): Replace with...
220 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
221 (SYMBOL_REF_IN_BLOCK_P): Replace with...
222 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
224 2006-03-03 Jakub Jelinek <jakub@redhat.com>
226 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
228 2006-03-02 Roger Sayle <roger@eyesopen.com>
230 * simplify-rtx.c (simplify_unary_operation): When simplifying
231 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
232 that we perform the right shift in the appropriate mode, and
233 then extend or truncate the result to requested mode.
235 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
237 * gengtype.c (main): Handle double_int type.
238 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
239 * double-int.c: New file.
240 * double-int.h: New file.
241 * system.h: Include doubleint.h.
242 * Makefile.in (SYSTEM_H): Include double-int.h.
245 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
248 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
251 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
253 * tree-vrp.c (remove_range_assertions): Do not update statements
256 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
258 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
260 * gcse.c (rest_of_handle_gcse): Ditto.
261 * except.c (gate_handle_eh): Ditto.
262 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
263 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
265 2006-03-02 Eric Christopher <echristo@apple.com>
267 * config/i386/i386.c (machopic_output_stub): Add indirection to
270 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
274 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
276 Sun Niagara specific optimizations.
277 * config.gcc: Recognize niagara as target.
278 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
279 (TARGET_CPU_niagara): Define.
280 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
281 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
282 (CPP_CPU_SPEC): Handle -mcpu=niagara.
283 (ASM_CPU_SPEC): Likewise.
284 (PROCESSOR_NIAGARA): New enum entry.
285 (REGISTER_MOVE_COST): Handle Niagara.
286 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
287 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
288 (sparc_override_options): Recognize "niagara", set appropriate
289 default MASK_* values for it, and align functions to 32-bytes
290 by default just like ULTRASPARC/ULTRASPARC3.
291 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
292 (sparc64_initialize_trampoline): Likewise.
293 (sparc_use_sched_lookahead): Use zero for niagara.
294 (sparc_issue_rate): Use one for niagara.
295 * config/sparc/niagara.md: New file.
296 * config/sparc/sparc.md: Include it.
297 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
298 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
299 when default cpu is niagara.
300 (CPP_CPU_SPEC): Handle -mcpu=niagara.
301 (ASM_CPU_SPEC): Likewise.
302 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
303 when default cpu is niagara.
304 (ASM_CPU_SPEC): Handle -mcpu=niagara.
305 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
306 just like v9/ultrasparc/ultrasparc3.
307 * doc/invoke.texi: Add documentation for "niagara" and improve
308 existing documentation for ultrasparc variants.
310 2006-03-02 Diego Novillo <dnovillo@redhat.com>
312 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
314 2006-03-02 Richard Sandiford <richard@codesourcery.com>
316 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
317 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
318 and say that only one is needed.
319 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
320 * target.h (have_switchable_bss_sections): New hook.
321 * explow.c (use_anchored_address): Check that the symbol is in a block.
322 * varasm.c (tls_comm_section, comm_section, lcomm_section)
323 (bss_noswitch_section): New variables.
324 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
325 (get_noswitch_section): New function.
326 (get_block_for_section): Allow SECT to be null.
327 (unlikely_text_section_p): Use SECTION_STYLE.
328 (bss_initializer_p): New function.
329 (get_variable_section): Move earlier in file. Take a new argument,
330 prefer_noswitch_p. Move bss checks from assemble_variable to here.
331 Return one of the new *_sections in such cases.
332 (get_block_for_decl): New function, extracting some logic from
333 use_blocks_for_decl_p.
334 (change_symbol_section): Remove in favor of...
335 (change_symbol_block): ...this new function.
336 (use_blocks_for_decl_p): Remove checks now performed by
338 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
339 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
340 (emit_local, emit_bss, emit_common): ...these new functions.
341 Return true if the alignment was honored.
342 (emit_tls_common): New function.
343 (asm_emit_uninitialised): Delete.
344 (assemble_variable_noswitch): New function, split out from...
345 (assemble_variable): ...here. Don't make decisions about common
346 variables here. Globalize all public decls that go into non-common
347 sections. Check whether SYMBOL_REF_BLOCK is null.
348 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
349 (output_constant_pool): Likewise.
350 (init_varasm_once): Initialize the new section variables.
351 (have_global_bss_p): New function.
352 (categorize_decl_for_section): Use bss_initializer_p.
353 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
354 (place_block_symbol): Assert that the symbol must be in a block.
355 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
356 (TARGET_INITIALIZER): Include it.
357 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
358 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
359 (SECTION_MACH_DEP): Bump by two.
360 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
361 (unnamed_section): Mention SECTION_UNNAMED in comment.
362 (named_section): Likewise SECTION_NAMED.
363 (noswitch_section_callback): New type.
364 (noswitch_section): New structure.
365 (section): Add a noswitch_section alternative.
366 (SECTION_STYLE): New macro.
367 (tls_comm_section, comm_section, lcomm_section): Declare.
368 (bss_noswitch_section, have_global_bss_p): Declare.
369 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
370 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
372 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
373 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
376 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
378 * gcc/tree-vrp.c (execute_vrp): Return value.
379 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
380 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
381 * gcc/tree-complex.c (tree_lower_complex): Ditto.
382 (tree_lower_complex_O0): Ditto.
383 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
384 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
385 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
386 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
387 (execute_tail_calls): Ditto.
388 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
389 * gcc/tree.h (init_function_for_compilation): Ditto.
390 * gcc/ipa-cp.c (ipcp_driver): Ditto.
391 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
392 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
393 * gcc/final.c (compute_alignments): Ditto.
394 (rest_of_handle_final): Ditto.
395 (rest_of_handle_shorten_branches): Ditto.
396 (rest_of_clean_state): Ditto.
397 * gcc/omp-low.c (execute_expand_omp): Ditto.
398 (execute_lower_omp): Ditto.
399 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
400 * gcc/ipa-reference.c (static_execute): Ditto.
401 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
402 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
403 (rest_of_handle_machine_reorg): Ditto.
404 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
405 * gcc/flow.c (recompute_reg_usage): Ditto.
406 (rest_of_handle_remove_death_notes): Ditto.
407 (rest_of_handle_life): Ditto.
408 (rest_of_handle_flow2): Ditto.
409 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
410 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
411 (do_ssa_store_ccp): Ditto.
412 (execute_fold_all_builtins): Ditto.
413 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
414 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
415 * gcc/ipa-pure-const.c (static_execute): Ditto.
416 * gcc/cse.c (rest_of_handle_cse): Ditto.
417 (rest_of_handle_cse2): Ditto.
418 * gcc/web.c (rest_of_handle_web): Ditto.
419 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
420 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
421 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
422 * gcc/tree-nrv.c (tree_nrv): Ditto.
423 (execute_return_slot_opt): Ditto.
424 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
425 (create_structure_vars): Ditto.
426 * gcc/loop-init.c (rtl_loop_init): Ditto.
427 (rtl_loop_done): Ditto.
428 (rtl_move_loop_invariants): Ditto.
429 (rtl_unswitch): Ditto.
430 (rtl_unroll_and_peel_loops): Ditto.
432 * gcc/gimple-low.c (lower_function_body): Ditto.
433 (mark_used_blocks): Ditto.
434 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
435 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
436 (cgraph_early_inlining): Ditto.
437 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
438 * gcc/jump.c (cleanup_barriers): Ditto.
439 (purge_line_number_notes): Ditto.
440 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
441 (rest_of_handle_if_after_reload): Ditto.
442 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
443 (tree_ssa_loop_im): Ditto.
444 (tree_ssa_loop_unswitch): Ditto.
445 (tree_vectorize): Ditto.
446 (tree_linear_transform): Ditto.
447 (tree_ssa_loop_ivcanon): Ditto.
448 (tree_ssa_empty_loop): Ditto.
449 (tree_ssa_loop_bounds): Ditto.
450 (tree_complete_unroll): Ditto.
451 (tree_ssa_loop_prefetch): Ditto.
452 (tree_ssa_loop_ivopts): Ditto.
453 (tree_ssa_loop_done): Ditto.
454 * gcc/predict.c (tree_estimate_probability): Ditto.
455 * gcc/recog.c (split_all_insns_noflow): Ditto.
456 (rest_of_handle_peephole2): Ditto.
457 (rest_of_handle_split_all_insns): Ditto.
458 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
459 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
460 (rest_of_handle_stack_adjustments): Ditto.
461 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
462 * gcc/function.c (instantiate_virtual_regs): Ditto.
463 (init_function_for_compilation): Ditto.
464 (rest_of_handle_check_leaf_regs): Ditto.
465 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
466 (rest_of_handle_gcse): Ditto.
467 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
468 * gcc/alias.c (rest_of_handle_cfg): Ditto.
469 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
470 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
471 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
472 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
473 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
474 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
475 * gcc/except.c (set_nothrow_function_flags): Ditto.
476 (convert_to_eh_region_ranges): Ditto.
477 (rest_of_handle_eh): Ditto.
478 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
479 (remove_unnecessary_notes): Ditto.
480 * gcc/except.h (set_nothrow_function_flags): Ditto.
481 (convert_to_eh_region_ranges): Ditto.
482 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
483 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
484 * gcc/tree-ssa-pre.c (do_pre): Ditto.
485 (execute_fre): Ditto.
486 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
487 (rest_of_handle_jump2): Ditto.
488 * gcc/tree-sra.c (tree_sra): Ditto.
489 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
490 (execute_mudflap_function_decls): Ditto.
491 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
492 (do_store_copy_prop): Ditto.
493 * gcc/ipa-prop.h (ipcp_driver): Ditto.
494 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
495 * gcc/tree-ssa-forwprop.c
496 (tree_ssa_forward_propagate_single_use_vars): Ditto.
497 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
498 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
499 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
500 (execute_late_warn_uninitialized): Ditto.
501 * gcc/rtl.h (cleanup_barriers): Ditto.
502 (split_all_insns_noflow): Ditto.
503 (purge_line_number_notes): Ditto.
504 (unshare_all_rtl): Ditto.
505 (remove_unnecessary_notes): Ditto.
506 (recompute_reg_usage): Ditto.
507 (variable_tracking_main): Ditto.
508 * gcc/integrate.c (emit_initial_value_sets): Ditto.
509 * gcc/integrate.h (emit_initial_value_sets): Ditto.
510 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
511 (execute_free_cfg_annotations): Ditto.
512 (execute_fixup_cfg): Ditto.
513 (execute_cleanup_cfg_pre_ipa): Ditto.
514 (execute_cleanup_cfg_post_optimizing): Ditto.
515 (execute_init_datastructures): Ditto.
516 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
517 * gcc/combine.c (rest_of_handle_combine): Ditto.
518 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
519 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
520 (rest_of_handle_reorder_blocks): Ditto.
521 (rest_of_handle_partition_blocks): Ditto.
522 * gcc/var-tracking.c (variable_tracking_main): Ditto.
523 * gcc/tree-profile.c (tree_profiling): Ditto.
524 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
525 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
526 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
527 (rest_of_handle_sched2): Ditto.
528 * gcc/basic-block.h (free_bb_insn): Ditto.
529 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
530 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
531 (remove_useless_stmts): Ditto.
532 (split_critical_edges): Ditto.
533 (execute_warn_function_return): Ditto.
534 (execute_warn_function_noreturn): Ditto.
535 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
536 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
537 * gcc/passes.c (execute_one_pass): Run additional
538 todos returned by execute function.
539 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
542 2006-03-02 Richard Guenther <rguenther@suse.de>
544 * tree-ssa-alias.c (find_used_portions): Consider taking
545 the address as making the variable not write-only.
547 2006-03-02 Nick Clifton <nickc@redhat.com>
549 * config.gcc (default_use_cxa_atexit): Extend the description of
550 this configure variable. Set its default value to "yes" for
551 Linux, NetBSD and ELF targets on the assumption that they will
552 use C libraries with the __cxa_atexit function.
554 2006-03-02 Ben Elliston <bje@au.ibm.com>
556 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
557 parameter as unused to suppress a build warning.
559 2006-03-02 Ben Elliston <bje@au.ibm.com>
561 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
564 2006-03-01 Roger Sayle <roger@eyesopen.com>
567 * gthr-posix.h (__gthrw2): Define to take three parameters, the
568 declared name, the weak reference name, and the typeof name.
569 (__gthrw): Avoid expanding the declared name suffix.
570 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
572 2006-03-01 Jakub Jelinek <jakub@redhat.com>
574 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
576 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
577 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
578 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
579 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
580 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
581 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
582 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
583 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
584 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
585 DW_DS_leading_separate, DW_DS_trailing_separate): New.
586 (DW_END_default, DW_END_big, DW_END_little): New.
587 (DW_END_lo_user, DW_END_hi_user): Define.
588 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
589 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
590 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
593 2006-03-01 Diego Novillo <dnovillo@redhat.com>
595 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
597 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
599 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
601 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
603 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
606 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
609 2006-03-01 Roger Sayle <roger@eyesopen.com>
611 * builtins.c (fold_builtin_copysign): Delete unreachable code.
613 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
616 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
617 MACHO_DYNAMIC_NO_PIC_P.
618 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
620 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
623 * config/darwin-protos.h (darwin_asm_output_anchor):
625 * config/darwin-sections.def (cstring_section):
626 Add SECTION_MERGE to the flags.
627 (literal4_section): Likewise.
628 (literal8_section): Likewise.
629 (objc_selector_refs_section): Likewise.
630 (objc_cls_refs_section): Likewise.
631 * config/darwin.c (darwin_asm_output_anchor): New
633 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
635 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
637 Fix PR tree-optimization/26443
638 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
639 to todo and PROP_tmt_usage to properties_destroyed.
640 * tree-ssa-ccp.c (pass_ccp): Ditto.
641 (pass_store_ccp): Ditto.
642 * tree-ssa-dom.c (pass_dominator): Ditto.
644 2006-03-01 Diego Novillo <dnovillo@redhat.com>
646 * tree-ssa-operands.c: Cleanup whitespace.
647 (get_asm_expr_operands): Move before first invocation.
648 (get_indirect_ref_operands): Likewise.
649 (get_tmr_operands): Likewise.
650 (get_call_expr_operands): Likewise.
651 (append_def): Likewise.
652 (append_use): Likewise.
653 (append_v_may_def): Likewise.
654 (append_v_must_def): Likewise.
655 (add_call_clobber_ops): Likewise.
656 (add_call_read_ops): Likewise.
657 (add_stmt_operand): Likewise.
658 (add_virtual_operand): Likewise.
659 (build_ssa_operands): Likewise.
661 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
666 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
667 with a call expr to ...
668 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
670 2006-03-01 Diego Novillo <dnovillo@redhat.com>
672 * tree-vrp.c (extract_range_from_assert): Remove special
673 handling for types with super-types.
675 2006-03-01 Ben Elliston <bje@au.ibm.com>
677 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
678 and powerpc64-*-linux* configurations.
679 * config/t-dfprules: New file.
681 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
682 Compile dfp-bit.c from the source directory using -DWIDTH and
683 $DFP_CFLAGS to control the compilation of that file, rather than
684 generating width-specific versions in the build directory.
685 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
686 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
688 2006-02-28 Zack Weinberg <zackw@panix.com>
690 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
693 2006-02-28 Eric Christopher <echristo@apple.com>
695 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
696 Set up IN_LIBGCC definition of TARGET_64BIT.
697 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
699 2006-02-28 Roger Sayle <roger@eyesopen.com>
702 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
703 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
704 cases via the construction of "expr != 0".
706 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
708 * alias.c (alias_invariant, alias_invariant_size): Remove.
709 (record_base_value): Remove.
710 (memrefs_conflict_p): Don't look at alias_invariant.
711 (end_alias_analysis): Don't free it.
712 * alias.h (record_base_value): Remove prototype.
714 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
715 Adam Nemet <anemet@caviumnetworks.com>
717 * rtl.h (truncated_to_mode): Declare it.
718 (struct rtl_hooks): Add reg_truncated_to_mode hook.
719 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
720 (RTL_HOOKS_INITIALIZER): Include it.
721 * rtlhooks.c (reg_truncated_to_mode_general): New function.
722 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
723 reg_truncated_to_mode.
724 * rtlanal.c (truncated_to_mode): Define it.
725 * simplify-rtx.c (simplify_unary_operation_1): Use it.
727 2006-02-28 Jeff Law <law@redhat.com>
729 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
730 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
731 the range allowed by TYPE_PRECISION.
733 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
735 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
737 PR tree-optimization/26419
738 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
741 2006-02-27 Zack Weinberg <zackw@panix.com>
743 * doc/md.texi: Fix typo in previous change.
745 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
749 2006-02-27 Zack Weinberg <zackw@panix.com>
751 * rtl.def (define_constraint, define_register_constraint)
752 (define_memory_constraint, define_address_constraint): New MD forms.
753 * gensupport.c (process_rtx): Put define_constraint etc on the
755 * genpreds.c (process_define_predicate): Adjust comment. Validate
756 the name, and call validate_exp to validate the expression.
757 (mark_mode_tests, write_extract_subexp): Can assume correct input.
758 (write_predicate_expr): Likewise. NAME argument no longer necessary;
760 (validate_exp, needs_variable, struct constraint_data)
761 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
762 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
763 (const_dbl_constraints, constraint_max_namelen)
764 (have_register_constraints, have_memory_constraints)
765 (have_address_constraints, have_address_constraints)
766 (have_extra_constraints, have_const_int_constraints)
767 (have_const_dbl_constraints, mangle, add_constraint)
768 (process_define_constraint, process_define_register_constraint)
769 (write_enum_constraint_num, write_lookup_constraint)
770 (write_insn_constraint_len, write_regclass_for_constraint)
771 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
772 (write_insn_extra_memory_constraint)
773 (write_insn_extra_address_constraint)
774 (write_satisfies_constraint_fns): New.
775 (write_tm_preds_h): If we have new-style constraint definitions,
776 prototype the functions generated from them, and define the
777 old constraint interface (still used by generic code) in terms of
779 (write_insn_preds_c): If we have new-style constraint definitions,
780 generate all relevant functions from those definitions.
781 (main): Handle define_constraint etc.
782 * genoutput.c (struct constraint_data, indep_constraints)
783 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
784 (mdep_constraint_len): New data structures and functions, defined
785 #ifdef USE_MD_CONSTRAINTS.
786 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
787 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
788 use new logic to validate operand constraints against constraint
790 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
792 * defaults.h: If none of the old-style constraint macros are
793 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
794 old-style macros; and poison REG_CLASS_FROM_LETTER,
795 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
797 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
798 * doc/md.texi: Document new constraint-definition mechanism and the
799 C interface it provides. Remove references to old mechanism
800 elsewhere in the document.
801 (Machine Constraints): Use pathnames relative to gcc directory,
802 i.e. config/ARCH/FILE. Change i386 section to refer to
803 config/i386/predicates.md; update that section to match docstrings.
804 * doc/tm.texi: Move all documentation of the old constraint-
805 definition macros to their own section, clearly mark as obsolete.
807 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
808 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
810 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
811 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
812 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
814 (splits and peepholes): Use satisfies_constraint_*.
815 * config/i386/i386.c (memory_address_length)
816 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
818 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
820 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
821 scalar operation to be put back into the loop.
823 2006-02-27 Jakub Jelinek <jakub@redhat.com>
826 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
827 (extract_cie_info): Handle S flag in augmentation string.
828 (execute_cfa_program): If context->signal_frame, execute also
829 fs->pc == context->ra instructions.
830 (uw_frame_state_for): If context->signal_frame, don't subtract one
831 from context->ra to find FDE.
832 (uw_update_context_1): Set context->signal_frame to
834 (_Unwind_GetIPInfo): New function.
835 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
836 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
838 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
839 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
840 * unwind-compat.c (_Unwind_GetIPInfo): New function.
841 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
842 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
843 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
844 * config/i386/linux-unwind.h (x86_fallback_frame_state,
845 x86_64_fallback_frame_state): Set fs->signal_frame.
846 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
847 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
848 (frob_update_context): Likewise. Workaround missing S flag in
849 Linux 2.6.12 - 2.6.16 kernel vDSOs.
850 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
851 Remove the psw_addr + 1 hack.
853 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
855 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
856 with aggregates here.
857 (find_func_aliases): Remove code for &<aggregate> from here.
859 2006-02-26 Roger Sayle <roger@eyesopen.com>
861 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
862 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
863 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
866 2006-02-26 Roger Sayle <roger@eyesopen.com>
869 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
871 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
873 * opts.c (decode_options): Do not handle flag_strength_reduce.
874 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
875 and OPT_fstrength_reduce.
876 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
877 flag_prefetch_loop_arrays for being nonzero.
878 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
880 (fprefetch-loop-arrays-rtl): Removed.
881 (flag_prefetch_loop_arrays): Do not specify the value.
883 * doc/passes.texi: Update documentation of loop optimizer
885 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
886 -frerun-loop-opt): Remove.
888 2006-02-26 Richard Guenther <rguenther@suse.de>
890 PR tree-optimization/26421
891 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
892 in function calls that are ADDR_EXPRs as using the whole structure.
894 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
896 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
897 * tree-pass.h (pass_loop_optimize): Remove.
898 * passes.c (pass_loop_optimize): Never run it.
899 * toplev.c (backend_init): Don't call init_loop.
900 * opts.c (flag_loop_optimize_set): Remove.
901 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
902 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
903 the old RTL loop optimizer when profiling enabled.
904 * predict.c (tree_estimate_probability): Always strip builtin_expect.
905 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
906 pre-headers for the sake of the old RTL loop optimizer.
907 * Makefile.in: Remove all references to loop.o.
909 * doc/invoke.texi: Remove all references to -floop-optimize
910 and -frerun-loop-opt.
912 2006-02-26 Zack Weinberg <zackw@panix.com>
914 * doc/md.texi (Machine Constraints): Refer to all files with paths
915 relative to gcc directory (i.e. config/CPU/file). Add missing
916 @table @code ... @end table to M32C subsection.
918 2006-02-26 Roger Sayle <roger@eyesopen.com>
920 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
922 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
924 2006-02-26 Roger Sayle <roger@eyesopen.com>
925 James A. Morrison <phython@gcc.gnu.org>
928 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
929 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
930 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
931 signedness of the shift operation.
933 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
935 PR tree-optimization/26359
936 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
938 2006-02-25 Roger Sayle <roger@eyesopen.com>
940 * simplify-rtx.c (simplify_relational_operation_1): Simplify
941 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
942 as X == 0, and some symmetry related transformations.
943 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
945 2006-02-25 Roger Sayle <roger@eyesopen.com>
948 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
949 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
950 symmetry related transformations. Fold (X^C1) == C2 as
953 2006-02-25 Juergen Weigert <jw@suse.de>
954 Richard Guenther <rguenther@suse.de>
956 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
958 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
960 * combine.c (gen_lowpart_or_truncate): Call
961 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
963 2006-02-24 Diego Novillo <dnovillo@redhat.com>
965 * doc/invoke.texi: Move -fopenmp description to "Options for
967 Remove reference to -lgomp.
969 2006-02-24 David Edelsohn <edelsohn@gnu.org>
971 * doc/install.texi: Require GNU tar version 1.14.
973 2006-02-24 Geoffrey Keating <geoffk@apple.com>
975 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
976 * doc/invoke.texi (C++ Dialect Options): Document
977 -fno-use-cxa-get-exception-ptr.
978 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
979 * configure: Regenerate.
980 * c.opt (fuse-cxa-get-exception-ptr): New.
981 * c-opts.c (c_common_handle_option): Handle
982 OPT_fuse_cxa_get_exception_ptr.
983 * c-common.c (flag_use_cxa_atexit): Update documentation.
984 (flag_use_cxa_get_exception_ptr): New.
985 * c-common.h (flag_use_cxa_get_exception_ptr): New.
986 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
988 (C_COMMON_OVERRIDE_OPTIONS): New.
990 2006-02-24 Roger Sayle <roger@eyesopen.com>
993 * combine.c (try_combine): Explicitly check whether GET_CODE is
994 a SET or a CLOBBER, instead on checking that it isn't a USE.
996 2006-02-24 Roger Sayle <roger@eyesopen.com>
998 * fold-const.c (fold_comparison): New subroutine of fold_binary
999 containing transformations common to both the equality and
1000 ordering relational operators, factored out of fold_binary.
1001 (fold_binary): Separate out the equality operators (EQ_EXPR
1002 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
1003 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
1004 transformations common to both.
1005 (fold_div_compare): Fix latent bugs in the previously unreachable
1006 LT_EXPR and GE_EXPR cases.
1008 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1010 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
1011 decl libname for clog to __clog on AIX.
1013 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
1015 2006-02-24 Alan Modra <amodra@bigpond.net.au>
1018 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
1019 output traceback table for thunks. Localise rs6000_stack_info call.
1021 2006-02-23 Roger Sayle <roger@eyesopen.com>
1022 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1024 * gthr-posix.h (__gthrw): Fix typo in comment.
1026 2006-02-23 Geoffrey Keating <geoffk@apple.com>
1028 * doc/cpp.texi (Character sets): Document that we do support
1029 input files to be in any character set.
1031 2006-02-23 Jeff Law <law@redhat.com>
1033 * tree.h (PHI_ARG_NONZERO): Remove.
1034 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
1035 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
1036 node to the new node.
1038 PR tree-optimization/26425
1039 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
1040 min/max, then assume its varying.
1042 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1044 PR rtl-optimization/26316
1045 * rtlanal.c (enum may_trap_p_flags): New.
1046 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
1047 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
1048 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
1049 (may_trap_after_code_motion_p): New function.
1050 * loop-invariant.c (find_identical_invariants): Fix dump formating.
1051 (find_invariant_insn): Use may_trap_after_code_motion_p.
1052 * rtl.h (may_trap_after_code_motion_p): Declare.
1054 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1056 * emit-rtl.c (immed_double_const): Cleanup.
1058 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
1060 Fix PR tree-optimization/26376
1061 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
1064 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1067 * gimplify.c (omp_add_variable): Guard variable size decl test with
1068 DECL_SIZE (decl) check.
1070 2006-02-23 Richard Guenther <rguenther@suse.de>
1073 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
1074 like aggregate types.
1076 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1078 * configure.ac: Add --with{,out}-long-double-128 configure option.
1079 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
1080 * configure: Rebuilt.
1081 * config.in: Rebuilt.
1082 * doc/install.texi (Options specification): Document
1083 --with-long-double-128.
1085 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1086 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1087 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1088 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1090 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
1092 * config/s390/s390.c (override_options): Handle
1093 TARGET_DEFAULT_LONG_DOUBLE_128.
1095 * config/alpha/alpha.c (override_options): Handle
1096 TARGET_DEFAULT_LONG_DOUBLE_128.
1098 * config/sparc/sparc.c (sparc_override_options): Handle
1099 TARGET_DEFAULT_LONG_DOUBLE_128.
1101 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
1103 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
1104 (real-install-headers-tar, real-install-headers-cpio)
1105 (real-install-headers-cp): New targets.
1107 2006-02-22 Richard Sandiford <richard@codesourcery.com>
1109 * tree.h (variable_section): Delete.
1110 * varasm.c (variable_section): Delete.
1112 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
1114 * install.texi: Add notes on install.texi2html.
1115 (Building in parallel): Do not use footnotes.
1117 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
1120 * doc/install.texi (Configuration): Document --disable-libgomp.
1122 2006-02-21 Geoffrey Keating <geoffk@apple.com>
1124 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
1126 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1128 * config/i386/sse.md (vec_extractv2df_1_sse): New.
1129 (vec_extractv2df_0_sse): New.
1131 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1133 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
1134 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
1135 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
1136 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
1137 to the result of the expression.
1138 (def_cfa_1): Adjust.
1139 (frame_pointer_cfa_offset): Rename to...
1140 (frame_pointer_fb_offset): ... this. Adjust all uses.
1141 (convert_cfa_to_loc_list): Rename to...
1142 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
1143 Pass it on to build_cfa_loc.
1144 (compute_frame_pointer_to_cfa_displacement): Rename to...
1145 (compute_frame_pointer_to_fb_displacement): ... this. New
1146 offset parameter. Use it in computation.
1147 (gen_subprogram_die): Compute cfa_fb_offset with the new
1148 macro, and use it to compute the fb loc list and the
1151 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
1153 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
1154 replaced with register_operand.
1155 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
1156 non-DREG is expensive.
1157 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
1158 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
1161 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
1163 * doc/install.texi2html: Use set -e.
1165 2006-02-21 Richard Sandiford <richard@codesourcery.com>
1167 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1168 (ASM_OUTPUT_SHARED_LOCAL): Delete.
1169 * doc/invoke.texi (-fshared-data): Delete.
1170 * common.opt (fshared-data): Delete.
1171 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
1172 (assemble_static_space): Remove #if 0 code.
1173 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1174 (ASM_OUTPUT_SHARED_LOCAL): Poison.
1175 * config/cris/cris.h: Remove FIXME.
1177 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
1179 * doc/sourcebuild.texi (Front End Directory): No more double-colon
1182 2006-02-21 Jakub Jelinek <jakub@redhat.com>
1185 * combine.c (simplify_shift_const_1): Disable nested shifts
1186 optimization for vector shifts.
1188 2006-02-20 Roger Sayle <roger@eyesopen.com>
1190 PR tree-optimization/26361
1191 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
1192 of unsigned integer types.
1194 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
1196 * tree-chrec.c (eq_evolutions_p): New.
1197 * tree-chrec.h (eq_evolutions_p): Declared.
1198 * tree-data-ref.c: Fix formatting.
1199 (datadep_stats, dependence_stats): New.
1201 (print_direction_vector): New.
1202 (dump_data_dependence_relation): Use print_direction_vector.
1203 (object_analysis, create_data_ref): Handle COMPONENT_REF.
1204 (compute_subscript_distance): Static.
1205 (initialize_data_dependence_relation): Static. Get the number
1206 of loops surrounding the references from the callers, and initialize
1207 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
1208 base_object_differ_p analyzers.
1209 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
1210 compute_overlap_steps_for_affine_1_2,
1211 analyze_subscript_affine_affine): Count the classified dependences.
1212 Print a message when a test failed.
1213 (can_use_analyze_subscript_affine_affine): New.
1214 (analyze_siv_subscript): Compute the data dependences on symbolic
1215 scevs that verify can_use_analyze_subscript_affine_affine.
1216 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
1217 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
1218 Handle symbolic scevs.
1219 (analyze_overlapping_iterations): Let symbolic affine scevs to be
1221 (subscript_dependence_tester): Moved...
1222 (build_classic_dist_vector, build_classic_dir_vector): Don't use
1223 lambda_vector_clear on newly allocated vectors. Get nb_loops from
1224 DDR_SIZE_VECT instead of getting it in parameter.
1225 (subscript_dependence_tester): ... here. Take as a parameter
1226 loop_nest_depth. Call build_classic_dist_vector and
1227 build_classic_dir_vector.
1228 (compute_affine_dependence): Update subscript_dependence_tester
1229 parameters. Update datadep_stats counters. Call
1230 compute_subscript_distance.
1231 (compute_self_dependence): Save the dist and dir vectors. Call
1232 compute_subscript_distance.
1233 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
1234 (compute_all_dependences): Reorder parameters as they were before
1235 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
1236 compute_subscript_distance. Update the use of
1237 compute_affine_dependence and initialize_data_dependence_relation.
1238 (find_data_references_in_loop): Handle COMPONENT_REF.
1239 (compute_data_dependences_for_loop): Initialize dependence_stats.
1240 Don't call build_classic_dist_vector and build_classic_dir_vector.
1241 Update the parameters of initialize_data_dependence_relation and
1242 compute_all_dependences. Print the statistics from datadep_stats.
1243 (analyze_all_data_dependences): Static. Not used until the pass for
1244 checking the data dependences is contributed.
1245 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
1246 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
1247 (initialize_data_dependence_relation, compute_affine_dependence,
1248 analyze_all_data_dependences, compute_subscript_distance): Removed.
1249 (print_direction_vector): New.
1250 * lambda.h (gcd): ... here.
1251 (lambda_vector_gcd): Moved here from gcd_vector.
1252 * lambda-code.c (gcd, gcd_vector): Removed.
1253 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
1254 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
1256 2006-02-20 Diego Novillo <dnovillo@redhat.com>
1258 * ipa-type-escape.c: Tidy some comments and white space.
1259 * tree-ssa-operands.c: Likewise.
1261 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
1264 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
1265 (dump_decl_name): Do not walk the decl tree chains.
1266 * tree-pass.h (TDF_CHAIN): Remove.
1268 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1270 * Makefile.in (C): Remove
1272 (.PHONY): Remove C and PROTO
1274 2006-02-20 Roger Sayle <roger@eyesopen.com>
1277 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
1278 deprecated CHAR_TYPE tree code.
1280 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1282 * configure.ac (target_list): Add install-info, dvi, html.
1283 * configure: Regenerate.
1285 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
1286 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
1287 treelang/Make-lang.in: Do not use double-colon rules.
1289 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
1291 * tree.h (struct tree_memory_tag): Add is_used_alone member.
1292 (TMT_USED_ALONE): New macro.
1293 * tree-pass.h (PROP_tmt_usage): New property.
1294 (TODO_update_tmt_usage): New todo.
1295 * tree-ssa-alias.c (updating_used_alone): New variable.
1296 (recalculate_used_alone): New function.
1297 (compute_may_aliases): Set updating_used_alone, call
1298 recalculate_used_alone.
1299 * tree-sra.c (pass_sra): Note that this pass destroys
1300 PROP_tmt_usage, and add TODO_update_tmt_usage.
1301 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1302 * tree-flow.h (updating_used_alone): Prototype.
1303 (recalculate_used_alone): Ditto.
1304 * passes.c (execute_todo): Add code to set updating_used_alone,
1305 and call recalculate.
1306 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
1307 for clobber if used alone, and add assert to verify used_alone
1310 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
1312 * config/s390/s390.c (legitimize_pic_address): Assertions checking
1313 for non tls symbols added.
1314 (legitimize_address): Do nothing for PLUS expressions if one of the
1315 addends is a tls symbol reference.
1317 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1321 * Makefile.in (LDFLAGS): Define from autoconf substitution.
1323 * Makefile.in (BOOTSTRAPPING): New.
1324 (quickstrap): New definition if BOOTSTRAPPING=yes.
1326 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
1327 * configure.ac: Substitute all_selected_languages with the languages
1328 that were configured. For all the other variables except
1329 lang_specs_files, include all the languages in the tree.
1330 * configure: Regenerate.
1332 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
1333 if there is one. Run the commands to run fixincludes in the same
1336 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
1337 * doc/install.texi: Document exact conventions for searching target tools.
1338 Document --with-build-time-tools. Document toplevel bootstrap. Document
1339 something more about building an Ada cross-compiler. Don't list GNU Make
1340 requirements which affect all platforms.
1342 2006-02-19 Roger Sayle <roger@eyesopen.com>
1345 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
1346 only equivalent if the have both the same mode and precision.
1348 2006-02-20 Ben Elliston <bje@au.ibm.com>
1350 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
1352 2006-02-19 Roger Sayle <roger@eyesopen.com>
1353 Steven Bosscher <stevenb.gcc@gmail.com>
1355 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
1356 constant pool references to identify stack mode constants.
1357 * rtlanal.c (constant_pool_constant_p): New predicate to check
1358 whether operand is a floating point constant in the pool.
1359 * rtl.h (constant_pool_constant_p): Prototype here.
1360 * loop.c (scan_loop): Avoid hoisting constants from the constant
1361 pool on STACK_REGS targets.
1362 (load_mems): Likewise.
1363 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
1364 loads into x87 registers expensive in terms of register pressure.
1366 2006-02-19 Roger Sayle <roger@eyesopen.com>
1368 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
1369 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
1371 2006-02-19 David Edelsohn <edelsohn@gnu.org>
1373 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
1374 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
1376 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
1378 * doc/invoke.texi: Document -fipa-pta.
1379 * common.opt: Add ipa-pta option.
1380 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
1381 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
1382 (do_ds_constraint): Ditto.
1383 (get_constraint_for): Only add to referenced_vars if
1384 referenced_vars exists.
1385 (insert_into_field_list): Rewrite to do this unsorted.
1386 (insert_into_field_list_sorted): Rename old insert_into_field_list
1388 (create_function_info_for): Use insert_into_field_list_sorted.
1389 (create_variable_info_for): Rewrite so it uses unsorted version,
1390 since the field list is sorted.
1391 (intra_create_variable_infos): Only add to referenced_vars if
1392 referenced_vars exists.
1393 (ipa_pta_execute): Init heapvars, and delete when done.
1394 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
1396 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1398 * doc/install.texi: Add missing `@samp'.
1400 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1402 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
1405 2006-02-18 Mark Wielaard <mark@klomp.org>
1407 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
1408 who added new 4.1 features, bug fixes and integration support.
1410 2006-02-18 David Edelsohn <edelsohn@gnu.org>
1413 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
1416 2006-02-18 Richard Sandiford <richard@codesourcery.com>
1418 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
1419 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
1420 (copy_insn_1): Likewise. Don't copy each field individually.
1422 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
1424 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
1425 * rtl.c (rtx_size): Rename variable to...
1426 (rtx_code_size): ...this.
1427 (rtx_size): New function.
1428 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
1429 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
1431 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
1432 * rtl.h (rtx_code_size): New variable.
1433 (rtx_size): Change from a variable to a function.
1434 (RTX_SIZE): Rename to...
1435 (RTX_CODE_SIZE): ...this.
1438 PR tree-optimization/17106
1439 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
1440 (Anchored Addresses): New section.
1441 * doc/invoke.texi (-fsection-anchors): Document.
1442 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
1443 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
1444 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
1445 * hooks.c (hook_bool_mode_rtx_false): New function.
1446 * hooks.h (hook_bool_mode_rtx_false): Declare.
1447 * gengtype.c (create_optional_field): New function.
1448 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
1449 SYMBOL_REF_IN_BLOCK_P is true.
1450 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
1451 (min_anchor_offset, max_anchor_offset): Likewise.
1452 (use_anchors_for_symbol_p): New hook.
1453 * toplev.c (compile_file): Call output_object_blocks.
1454 (target_supports_section_anchors_p): New function.
1455 (process_options): Check that -fsection-anchors is only used on
1456 targets that support it and when -funit-at-a-time is in effect.
1457 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
1458 if the decl doesn't have one.
1459 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
1460 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
1461 of force_const_mem through use_anchored_address.
1462 (expand_expr_constant): New function.
1463 (expand_expr_addr_expr_1): Call it. Use the same modifier when
1464 calling expand_expr for INDIRECT_REF.
1465 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
1466 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
1467 * expr.h (use_anchored_address): Declare.
1468 * loop-unroll.c: Don't declare rtx vectors here.
1469 * explow.c: Include output.h.
1470 (validize_mem): Call use_anchored_address.
1471 (use_anchored_address): New function.
1472 * common.opt (-fsection-anchors): New switch.
1473 * varasm.c (object_block_htab, anchor_labelno): New variables.
1474 (hash_section, object_block_entry_eq, object_block_entry_hash)
1475 (use_object_blocks_p, get_block_for_section, create_block_symbol)
1476 (use_blocks_for_decl_p, change_symbol_section): New functions.
1477 (get_variable_section): New function, split out from assemble_variable.
1478 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
1479 use_blocks_for_decl_p say so. Use change_symbol_section if the
1480 symbol has already been created.
1481 (assemble_variable_contents): New function, split out from...
1482 (assemble_variable): ...here. Don't output any code for
1483 block symbols; just pass them to place_block_symbol.
1484 Use get_variable_section and assemble_variable_contents.
1485 (get_constant_alignment, get_constant_section, get_constant_size): New
1486 functions, split from output_constant_def_contents.
1487 (build_constant_desc): Create a block symbol if use_object_blocks_p
1488 says so. Or into SYMBOL_REF_FLAGS.
1489 (assemble_constant_contents): New function, split from...
1490 (output_constant_def_contents): ...here. Don't output any code
1491 for block symbols; just pass them to place_section_symbol.
1492 Use get_constant_section and get_constant_alignment.
1493 (force_const_mem): Create a block symbol if use_object_blocks_p and
1494 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
1495 (output_constant_pool_1): Add an explicit alignment argument.
1496 Don't switch sections here.
1497 (output_constant_pool): Adjust call to output_constant_pool_1.
1498 Switch sections here instead. Don't output anything for block symbols;
1499 just pass them to place_block_symbol.
1500 (init_varasm_once): Initialize object_block_htab.
1501 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
1502 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
1503 (place_block_symbol, get_section_anchor, output_object_block)
1504 (output_object_block_htab, output_object_blocks): New functions.
1505 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
1506 (TARGET_ASM_OUT): Include it.
1507 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
1508 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
1509 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
1510 (TARGET_INITIALIZER): Include them.
1511 * rtl.c (rtl_check_failed_block_symbol): New function.
1512 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
1513 (block_symbol, object_block): New structures.
1514 (rtx_def): Add a block_symbol field to the union.
1515 (BLOCK_SYMBOL_CHECK): New macro.
1516 (rtl_check_failed_block_symbol): Declare.
1517 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
1518 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
1519 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
1520 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
1521 * output.h (output_section_symbols): Declare.
1522 (object_block): Name structure.
1523 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
1524 (default_use_anchors_for_symbol_p): Declare.
1525 * Makefile.in (RTL_BASE_H): Add vec.h.
1526 (explow.o): Depend on output.h.
1527 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
1528 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1529 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1530 (rs6000_use_blocks_for_constant_p): New function.
1532 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1534 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
1536 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1539 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
1542 2006-02-18 Diego Novillo <dnovillo@redhat.com>
1544 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
1548 2006-02-18 Jakub Jelinek <jakub@redhat.com>
1551 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
1552 instead of DECL_REGISTER.
1554 2006-02-18 Olivier Hainque <hainque@adacore.com>
1557 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
1559 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
1562 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
1563 * opth-gen.awk: Handle Var and InverseMask together.
1564 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
1565 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
1566 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
1567 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
1569 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1570 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1571 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
1572 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1573 LINUX_DYNAMIC_LINKER): Define.
1574 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
1575 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
1577 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1578 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
1579 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1580 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1581 (TARGET_C99_FUNCTIONS): Don't define.
1582 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
1583 GLIBC_DYNAMIC_LINKER.
1584 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
1585 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
1586 GLIBC_DYNAMIC_LINKER64): Define.
1587 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1588 LINUX_DYNAMIC_LINKER64.
1589 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1590 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1591 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
1592 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1593 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1594 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1595 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
1596 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
1597 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
1598 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
1599 and LINUX_DYNAMIC_LINKER32.
1600 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1601 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1602 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
1603 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1604 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
1606 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
1607 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
1608 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1609 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1610 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1611 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
1612 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
1613 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
1614 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1615 LINUX_DYNAMIC_LINKER): Define.
1616 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
1617 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
1618 GLIBC_DYNAMIC_LINKER64): Define.
1619 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1620 LINUX_DYNAMIC_LINKER64.
1621 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1622 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1623 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
1624 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1625 LINUX_DYNAMIC_LINKER): Define.
1626 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1627 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1628 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
1629 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
1630 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
1631 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1632 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
1633 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
1634 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1635 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1636 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1637 * doc/invoke.texi (-muclibc): Remove caveat about supported
1640 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1642 * doc/cpp.texi (__TIMESTAMP__): Document.
1644 2006-02-17 Roger Sayle <roger@eyesopen.com>
1647 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
1648 C is one less than the width of X (and related transformations).
1649 * simplify-rtx.c (simplify_unary_operation_1): Transform
1650 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
1651 depending on STORE_FLAG_VALUE, were C is one less then the
1654 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
1656 Fix PR tree-optimization/26341
1657 * tree-ssa-operands.c (add_virtual_operand): Remove assert
1658 about NAME_MEMORY_TAG's.
1660 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1663 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
1664 with hardware float support, and software float support. Add fcpy
1665 alternative to hardware patterns. Add alternatives to copy between
1666 general and floating-point registers to the 32-bit pattern.
1667 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
1668 secondary reload to load a QI or HI mode constant into a floating
1670 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
1671 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
1673 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
1676 * config/rs6000/darwin.md (load_macho_picbase_si): Add
1678 (load_macho_picbase_di): Likewise.
1680 2006-02-16 Jeff Law <law@redhat.com>
1682 * tree-vrp.c (set_value_range_to_nonnegative): New function.
1683 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
1684 (ssa_name_nonzero_p): Likewise.
1685 (get_value_range): Return NULL if VRP is not running.
1686 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
1687 VRP routines do not discover a range.
1688 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
1689 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
1690 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
1691 (tree_expr_nonnegative_p): Similarly.
1692 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
1693 (restore_nonzero_vars_to_original_value): Remove.
1694 (unsafe_associative_fp_binop): Remove.
1695 (tree_ssa_dominator_optimize): Remove initialization and
1696 finalization of nonzero_vars and nonzero_vars_stack.
1697 (dom_opt_initialize_block): No longer push marker on
1699 (dom_opt_finalize_block): No longer call
1700 restore_nonzero_vars_to_original_value.
1701 (record_equivalences_from_phis): No longer look for
1702 nonzero PHI arguments.
1703 (cprop_into_successor_phis): No longer propagate nonzero
1704 property into PHI arguments. Lose unused argument. Caller
1706 (record_equivalences_from_stmt): No longer record nonzero
1707 values for SSA_NAMEs.
1708 (lookup_avail_expr): No longer use nonzero_vars.
1710 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
1711 for sizetype when sizetype is unsigned.
1713 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
1715 PR rtl-optimization/25603
1716 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
1717 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
1718 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
1719 with new meaning of SETS.
1721 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
1726 * config/linux.opt: New file.
1727 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
1728 LINUX_DYNAMIC_LINKER): Define.
1729 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
1730 * config.gcc (*-*-linux*): Define extra_options.
1731 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
1732 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
1733 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
1734 GLIBC_DYNAMIC_LINKER.
1735 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
1736 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1737 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1738 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1739 * doc/invoke.texi (GNU/Linux Options): New section.
1741 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1743 * config/sparc/sparc.md (setjmp): Rewrite.
1744 (setjmp_32): Delete.
1745 (setjmp_64): Likewise.
1747 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
1749 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
1752 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1754 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
1757 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1759 PR rtl-optimization/26296
1760 * Makefile.in (loop-invariant.c): Add except.h dependency.
1761 * loop-invariant.c: Include except.h.
1762 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
1764 2005-02-16 Paul Brook <paul@codesourcery.com>
1766 * reload1.c (emit_reload_insns): Invalidate dead input registers used
1769 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
1771 PR rtl-optimization/25636
1772 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
1773 when deciding whether an insn is an initializing insn.
1775 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
1777 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
1778 (tree_code_size): Ditto.
1779 * tree.h (struct tree_memory_tag): Remove parent_var.
1780 (struct tree_struct_field_tag): New.
1783 (union tree_node): Add sft member.
1784 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
1786 (create_sft): Add size and offset argument, set SFT_OFFSET and
1788 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
1789 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
1790 * tree-flow-inline.h (get_subvar_at): Update for
1791 SFT_OFFSET/SFT_SIZE.
1792 (var_can_have_subvars): Ditto.
1793 (overlap_subvar): Ditto.
1794 * print-tree.c (print_node): Print out interesting things for
1796 * tree-flow.h (struct subvar): Remove offset and size members.
1797 * tree-ssa-operands.c (get_expr_operands): Update for
1798 get_indirect_ref_operands changes.
1799 (get_indirect_ref_operands): Call add_virtual_operand instead of
1800 add_stmt_operand. Only recurse on base var if requested.
1801 (access_can_touch_variable): New function.
1802 (add_stmt_operand): Split virtual operand handling into ...
1803 (add_virtual_operand): Here. Add offset, size, and for_clobber
1804 arguments. Prune alias sets.
1805 (add_call_clobber_ops): Call add_virtual_operand.
1807 2006-02-15 Jakub Jelinek <jakub@redhat.com>
1810 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
1812 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
1813 than TREE_CODE as index into omp_clause_num_ops array.
1815 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
1817 PR rtl-optimization/26184
1818 * modulo-sched.c (generate_reg_moves): Free bitmap vector
1820 * modulo-sched.c (sms_schedule): Free g_arr pointer.
1821 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
1822 must_precede, must_follow and tobe_scheduled.
1825 * opts.c (common_handle_option): Free new_option pointer.
1826 * df-core.c (df_analyze): Free postorder pointer.
1828 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1830 * Makefile.in: Fix the examples about the use of stamps
1832 2006-02-15 Michael Matz <matz@suse.de>
1836 * stor-layout.c (layout_decl): Zero-width bitfields aren't
1837 influenced by maximum_field_alignment or DECL_PACKED.
1838 (update_alignment_for_field): Ditto.
1839 (place_field): Ditto.
1840 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
1843 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
1845 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
1846 (debug_flow_info): Pass it.
1847 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
1848 * bb-reorder.c (reorder_basic_blocks): Likewise.
1849 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
1850 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
1851 * flow.c (life_analysis, recompute_reg_usage): Likewise.
1852 * gcse.c (gcse_main, bypass_jumps): Likewise.
1853 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
1854 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
1855 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
1856 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
1857 * rtl.h (dump_flow_info): Adjust prototype.
1858 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
1859 * var-tracking.c (variable_tracking_main): Likewise.
1860 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
1861 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
1864 2006-02-15 Marcin Dalecki <martin@dalecki.de>
1866 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
1869 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
1871 PR tree-optimization/26209
1872 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
1873 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
1875 * tree-cfg.c (replace_uses_by): Do not alter cfg.
1877 2006-02-14 Roger Sayle <roger@eyesopen.com>
1880 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
1881 (X,Y) and the corresponding symmetry related transformations.
1882 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
1883 (X,Y) and its symmetry related transformations.
1885 2006-02-14 Roger Sayle <roger@eyesopen.com>
1887 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
1890 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
1892 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
1894 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1897 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
1898 support COMDAT group.
1899 * configure: Regenerate.
1901 2006-02-14 Roger Sayle <roger@eyesopen.com>
1906 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
1908 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
1910 Fix PR tree-optimization/26260
1912 * doc/invoke.texi (max-fields-for-field-sensitive): Document
1914 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
1915 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
1916 * tree-ssa-structalias.c (create_variable_info_for): Use
1917 MAX_FIELDS_FOR_FIELD_SENSITIVE.
1919 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
1921 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
1923 * tree-ssa-loop-niter.c (number_of_iterations_ne,
1924 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
1925 of the ending condition.
1926 * tree-ssa-loop-manip.c: Include params.h.
1927 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
1928 tree_unroll_loop): New functions.
1929 * tree-pass.h (pass_loop_prefetch): Declare.
1930 * loop.c (rest_of_handle_loop_optimize): Test for
1931 -fprefetch-loop-arrays-rtl.
1932 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
1933 * timevar.def (TV_TREE_PREFETCH): New timevar.
1934 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
1935 pass_loop_prefetch): New.
1936 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
1937 (cleanup_tree_cfg_loop): Call scev_reset.
1938 * common.opt (fprefetch-loop-arrays-rtl): Add.
1939 * tree-ssa-loop-prefetch.c: New file.
1940 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
1941 (new_temp_expr_table): Initialize expr_vars.
1942 (free_temp_expr_table): Cleanup expr_vars.
1943 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
1944 expressions from being merged into one.
1945 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
1946 (struct tree_niter_desc): Add control, bound and cmp fields.
1947 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
1949 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
1950 (tree-cfgcleanup.o): Add SCEV_H dependency.
1951 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
1952 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
1954 2006-02-14 Richard Guenther <rguenther@suse.de>
1956 PR tree-optimization/26258
1957 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
1958 in PHI argument processing.
1960 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
1962 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
1963 new expression in the requested machine mode.
1965 2006-02-13 Roger Sayle <roger@eyesopen.com>
1967 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
1968 directly, instead let do_compare_rtx_and_jump handle this for us.
1969 * expr.c (expand_expr_real_1): Likewise.
1970 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
1971 before do_jump_by_parts_greater.
1972 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
1973 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
1975 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1977 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
1979 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
1981 PR rtl-optimization/26235
1982 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
1983 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
1986 2006-02-13 Jeff Law <law@redhat.com>
1988 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
1991 2006-02-13 Jakub Jelinek <jakub@redhat.com>
1994 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
1995 twice if decl is a builtin. When trying again, call get_callee_fndecl
1996 first to verify it is still a builtin.
1998 2006-02-13 Geoffrey Keating <geoffk@apple.com>
2000 * dwarf2out.c (base_type_die): Don't add AT_name here.
2001 (subrange_type_die): Don't add AT_name here.
2002 (modified_type_die): Rearrange code flow. Do add AT_name here.
2004 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2006 PR rtl-optimization/26247
2007 PR rtl-optimization/26248
2008 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
2010 2006-02-13 Richard Sandiford <richard@codesourcery.com>
2012 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
2013 * config/fixtfdi.c: Likewise.
2014 * config/fixunstfdi.c: Likewise.
2015 * config/floatditf.c: Likewise.
2017 2006-02-13 Roger Sayle <roger@eyesopen.com>
2020 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
2021 into (X,C2) if C1 is a subset of the bits of C2. Transform
2022 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
2024 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
2026 2006-02-13 Josh Conner <jconner@apple.com>
2029 * varasm.c (function_section): Check for section name before
2030 calling select_section on targets that define
2031 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
2032 unlikely_text_section instead of hot_function_section if
2033 first_function_block_is_cold.
2035 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
2038 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
2040 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2042 PR rtl-optimization/26222
2043 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
2044 after tree->rtl expansion.
2045 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
2046 before passing it to emit_move_insn.
2048 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
2050 * doc/invoke.texi (-Write-strings): Document that it is enabled by
2052 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
2053 Clarify documentation.
2054 * c-common.h (warn_write_strings): Remove.
2055 * c-common.c (warn_write_strings): Likewise.
2056 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
2059 2006-02-12 Roger Sayle <roger@eyesopen.com>
2062 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
2063 (do_jump_parts_zero_rtx): New function renamed from
2064 do_jump_parts_equality_rtx. Made static. Add a mode argument.
2065 (do_jump_parts_equality_rtx): New function split out from
2066 do_jump_parts_equality. Old implementation renamed as above.
2067 Call do_jump_parts_zero_rtx if either operand is zero.
2068 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
2069 do all of the heavy lifting.
2070 (do_compare_rtx_and_jump): Handle multi-word comparisons by
2071 calling either do_jump_by_parts_greater_rtx or
2072 do_jump_by_parts_equality_rtx.
2073 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
2074 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
2075 moved to do_compare_rtx_and_jump, call it directly.
2076 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
2077 mode argument. Call do_compare_rtx_and_jump.
2078 (emit_case_nodes): Update calls to do_jump_if_equal.
2080 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2082 PR rtl-optimization/26225
2083 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
2085 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2087 PR rtl-optimization/26232
2088 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
2090 2006-02-11 Jason Merrill <jason@redhat.com>
2093 * tree-inline.c (declare_return_variable): Just don't use the
2094 modify target if it's a gimple complex reg and the return slot
2097 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2099 * doc/contrib.texi: Update my entry.
2101 2006-02-10 Geoffrey Keating <geoffk@apple.com>
2103 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
2105 2006-02-10 Diego Novillo <dnovillo@redhat.com>
2107 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
2110 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
2112 * doc/invoke.texi (-floop-optimize2): Removed.
2113 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
2114 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
2115 Test flag_branch_on_count_reg only if HAVE_doloop_end.
2116 * common.opt (floop-optimize2): Removed.
2117 (fmove-loop-invariants): Enabled by default.
2119 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
2121 * tree-if-conv.c (combine_blocks): Free the result of
2122 get_loop_exit_edges.
2124 2006-02-10 Jeff Law <law@redhat.com>
2126 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
2128 PR tree-optimization/26213
2129 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
2130 loop trying to follow SSA_NAME_VALUE chains.
2132 2006-02-10 Richard Guenther <rguenther@suse.de>
2134 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
2135 deal with structures that end in implicitly variable sized arrays.
2137 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2139 PR rtl-optimization/24762
2140 * df-scan.c (df_bb_refs_record): Record correct registers defined on
2143 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2145 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
2146 (struct ivopts_data): Add regs_used field.
2147 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
2148 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
2149 instead of loop_data->regs_used;
2150 (free_loop_data): Do not free aux fields for loops.
2151 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
2152 and tree_ssa_iv_optimize_finalize.
2154 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
2156 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
2158 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2161 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
2162 computing the effective result type.
2164 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2167 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
2168 (tree_overlaps_hard_reg_set): Declare.
2169 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
2170 type and signature to match function type expected by walk_tree.
2171 (tree_overlaps_hard_reg_set): New function.
2172 (decl_conflicts_with_clobbers_p): Rename to:
2173 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
2174 Use tree_overlaps_hard_reg_set. Changed caller.
2175 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
2176 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
2177 * cris.c (cris_md_asm_clobbers): Likewise.
2179 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
2181 * reload1.c (emit_input_reload_insns): Delete code that tries to
2182 inherit using find_equiv_reg.
2184 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
2186 * c-common.h (flag_const_strings): Don't declare.
2187 * c-common.c (flag_const_strings): Remove.
2188 * c.opt (fconst_strings): Remove.
2189 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
2190 <OPT_Wwrite_strings>: Don't set flag_const_strings.
2191 (c_common_init_options): Don't set flag_const_strings.
2192 * doc/invoke.texi (-fno-const-strings): Remove documentation.
2194 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
2196 * arm.md (tlobits_cbranch): New pattern.
2197 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
2198 testing a single bit.
2200 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2203 * tree-ssa-pre.c (create_component_ref_by_pieces):
2204 Handle RETURN_DECL like VAR_DECL.
2206 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2209 * fold-const.c (fold_indirect_ref_1): Fold
2210 "*(foo *)&complexfoo" to "__real__ complexfoo"
2211 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
2213 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2215 * tree-flow-inline.h (var_can_have_subvars):
2216 Volatile variables should not have subvariables.
2218 2006-02-09 Diego Novillo <dnovillo@redhat.com>
2221 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
2222 multiplying unsigned values.
2225 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
2227 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
2229 2006-02-08 Jason Merrill <jason@redhat.com>
2232 * tree.def: Elaborate on difference from MODIFY_EXPR.
2233 * doc/c-tree.texi (INIT_EXPR): Likewise.
2234 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
2235 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
2236 (gimplify_target_expr): Likewise.
2237 (gimplify_cond_expr): Remove target handling.
2238 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
2239 (gimplify_expr): Clobber it here.
2240 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
2241 Do return slot optimization if we have an INIT_EXPR.
2244 * tree-inline.c (declare_return_variable): Also clear
2245 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
2248 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
2251 * gimplify.c (gimplify_one_sizepos): Fix typo.
2253 2006-02-08 Jeff Law <law@redhat.com>
2255 PR tree-optimization/21417
2256 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
2257 across a backedge if the control statement at the end of the
2258 block is data dependent on other statements in the same block.
2259 (record_temporary_equivalences_from_stmts): Remove over-conservative
2260 test for threading across backedges.
2262 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
2263 control statement, handle all three special cases in the same
2264 manner as they all have the same desired solution. No longer
2265 special case edge flag updating when the post dominator is
2268 2006-02-08 Roger Sayle <roger@eyesopen.com>
2270 * tree.def (CHAR_TYPE): Remove.
2271 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
2272 * dwarf2out.c (base_type_die, is_base_type): Likewise.
2273 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
2274 (gen_string_type_die): Delete unreachable function.
2276 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
2277 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
2278 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
2279 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
2280 * builtins.c (type_to_class): Likewise.
2281 * fold-const.c (fold_convert, build_range_check,
2282 merge_ranges): Likewise.
2283 * expr.c (count_type_elements): Likewise.
2284 * c-pretty-print.c (pp_c_type_specifier): Likewise.
2285 * stor-layout.c (layout_type): Likewise.
2286 * ipa-type-escape.c (type_to_consider): Likewise.
2287 * gimplify.c (omp_firstprivatize_type_sizes,
2288 gimplify_type_sizes): Likewise.
2289 * explow.c (promote_mode): Likewise.
2290 * tree-sra.c (is_sra_scalar_type): Likewise.
2291 * varasm.c (output_constant): Likewise.
2292 * tree-inline.c (remap_type_1): Likewise.
2293 * convert.c (convert_to_pointer, convert_to_real,
2294 convert_to_integer, convert_to_complex): Likewise.
2296 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
2298 * df-scan.c (df_def_record_1): A set destination may
2299 be a parallel regardless of mode.
2301 2006-02-08 Roger Sayle <roger@eyesopen.com>
2304 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
2305 * config/mips/_tilib.c: Remove.
2306 * config/fixtfdi.c: New libgcc source file.
2307 * config/fixunstfdi.c: New source file.
2308 * config/floatditf.c: New source file.
2309 * config/floatunditf.c: New souce file.
2310 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2311 files above instead of config/mips/_tilib.c.
2312 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2314 2006-02-08 Jeff Law <law@redhat.com>
2316 PR tree-optimization/26169
2317 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
2320 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
2322 * df.h (DF_REG_SIZE): Return the length of the initialized
2325 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
2327 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
2328 __muldf3): Return a correctly signed zero.
2330 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
2332 * passes.c (register_one_dump_file): Accept the current properties
2333 instead of pass number. Adjust call to dump_register. Remove
2335 (register_dump_files): Now a wrapper around...
2336 (register_dump_files_1): ... this one. Do not modify the pass
2338 (next_pass_1): Cosmetic fix.
2339 (execute_todo): Keep second parameter only. Use curr_properties
2340 instead of fetching it from the pass structure. Check and set
2342 (execute_one_pass): Handle TODO_set_props. Use curr_properties
2343 instead of fetching it from the pass structure. Fix calls to
2344 execute_todo. Update curr_properties and initialize .vcg RTL dump
2345 after running the pass. Reset last_verified.
2346 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
2348 (FIRST_AUTO_NUMBERED_DUMP): New.
2349 (dump_register): Remove "num" parameter, assign it within the
2351 (get_dump_file_name): Modify template for dumps.
2352 * tree-dump.h (dump_register): Adjust prototype.
2353 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
2354 (PROP_trees): Add PROP_gimple_lomp.
2355 (TODO_set_props): New.
2356 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
2357 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
2358 * cfgexpand.c (pass_expand): Destroy PROP_trees.
2360 2006-02-08 Jakub Jelinek <jakub@redhat.com>
2362 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
2363 (sparc64-*-linux*): Likewise.
2364 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
2365 * config/sparc/t-linux: New file.
2366 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
2367 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
2368 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
2369 -m32 -mlong-double-128.
2371 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
2372 * config/alpha/t-linux: New file.
2373 * config/alpha/libgcc-alpha-ldbl.ver: New file.
2375 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
2376 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
2377 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
2378 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
2379 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
2380 (CPP_ARCH32_SPEC): Remove.
2382 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
2384 PR tree-optimization/26145
2385 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
2388 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2391 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
2392 >= 240000 when generating code for SOM runtime.
2393 (output_indirect_call): Don't use "b,l" instruction for indirect calls
2394 to $$dyncall when generating code for SOM runtime..
2396 2006-02-07 Dirk Mueller <dmueller@suse.com>
2399 * doc/invoke.texi (-Wsequence-point): Update documentation
2400 that -Wsequence-point is implemented for C++ as well.
2402 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2404 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
2405 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
2406 (LIB_SPEC): Likewise.
2407 * doc/invoke.texi (SPARC options): Document -pthread.
2409 2006-02-07 Geoffrey Keating <geoffk@apple.com>
2411 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
2414 2006-02-07 Roger Sayle <roger@eyesopen.com>
2416 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
2417 Correct comment describing BOOLEAN_TYPE.
2419 2006-02-07 Dirk Mueller <dmueller@suse.com>
2421 * c.opt: C++ frontend supports -Wdiv-by-zero.
2422 * c-opts.c (c_common_handle_option): Remove dead case.
2424 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2426 * configure.ac (TLS assembler check): Do not enable TLS by
2427 default on SPARC/Solaris before version 10.
2428 * configure: Regenerate.
2430 2006-02-07 David Edelsohn <edelsohn@gnu.org>
2432 * doc/invoke.texi (xl-compat): Document conversion and support
2435 2006-02-07 Jeff Law <law@redhat.com>
2437 * tree-vrp.c (find_conditional_asserts): Update comments.
2438 (simplify_stmt_for_jump_threading): New.
2439 (identify_jump_threads, finalize_jump_threads): New.
2440 (vrp_finalize): Call identify_jump_threads.
2441 (execute_vrp): Call finalize_jump_threads.
2442 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
2443 (vrp_element, vrp_data, vrp_element_p): Remove.
2444 (vrp_hash_elt, vrp_variables_stack): Remove.
2445 (vrp_hash, vrp_eq, record_range): Remove.
2446 (simplify_cond_and_lookup_avail_expr): Remove.
2447 (extract_range_from_cond): Remove.
2448 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
2449 (simplify_stmt_for_jump_threading): New.
2450 (dom_thread_across_edge): New wrapper.
2451 (tree_ssa_dominator_optimize): No longer initialize or
2452 finalize any of the VRP datastructures. Remove iteration
2453 step and simplify as a result of removal of iteration step.
2454 (pass_dominator): Perform a cfg cleanup after DOM.
2455 (dom_opt_finalize_block): Use the new common routines
2456 for threading jumps. Simplify stack management slightly.
2457 No longer need to unwind VRP state.
2458 (record_equivalences_from_incoming_edge): No longer record
2460 (eliminate_redundant_computations): No longer call
2461 simplify_cond_and_lookup_avail_expr.
2462 * tree-flow.h (potentially_threadable_block): Prototype.
2463 (thread_across_edge): Likewise.
2464 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
2465 (tree-ssa-threadedge.o): Add dependencies.
2466 * tree-ssa-threadedge.c: New file.
2467 * passes.c (init_optimization_passes): Merge PHIs before
2468 calling VRP. Run VRP again late in the SSA optimization pipeline.
2470 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2472 * df-core.c (df_set_blocks): Do not dereference function pointers.
2473 (df_finish1): Likewise.
2474 (df_hybrid_search_forward): Likewise.
2475 (df_hybrid_search_backward): Likewise.
2476 (df_iterative_dataflow): Likewise.
2477 (df_analyze_problem): Likewise.
2478 (df_compact_blocks): Likewise.
2479 (df_dump): Likewise.
2480 * df-scan.c (df_rescan_blocks): Likewise.
2481 (df_record_entry_block_defs): Likewise.
2483 * genconditions.c (write_conditions): Guard the definition of
2484 'insn_conditions' with the check on GCC version.
2485 (write_writer): Guard the traversal 'insn_conditions' with
2486 the check on GCC version.
2488 2006-02-07 Richard Guenther <rguenther@suse.de>
2492 2006-01-30 Richard Guenther <rguenther@suse.de>
2494 * gimplify.c (gimplify_target_expr): Handle easy cases
2495 without creating a temporary.
2497 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
2499 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
2500 use of float in probability computations. Use edge probabilities
2501 in place of statically computed probabilities.
2502 (min_spec_prob): New static variable.
2503 (schedule_insns): Initialize it.
2504 (GET_SRC_PROB): Removed.
2505 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
2507 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
2510 * config/ia64/unwind-ia64.c: Revert last change.
2511 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
2512 (INCOMING_FRAME_SP_OFFSET): Define.
2514 2006-02-06 Roger Sayle <roger@eyesopen.com>
2516 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
2518 2006-02-07 Ben Elliston <bje@au.ibm.com>
2520 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
2521 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
2522 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
2523 (ix86_return_in_memory): Handle TDmode.
2524 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
2525 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
2527 2006-02-06 Richard Sandiford <richard@codesourcery.com>
2529 * reorg.c (dbr_schedule): Use dump_file instead of file.
2531 2006-02-06 Steve Ellcey <sje@cup.hp.com>
2534 * config/ia64/predicates.md (extr_len_operand): New predicate.
2535 * config/ia64/ia64.md (extv): Tighten constraints.
2537 (*tbit_and_2): Ditto.
2538 (*tbit_and_3): Ditto.
2539 (*tbit_or_2): Ditto.
2540 (*tbit_or_3): Ditto.
2544 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
2547 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
2549 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
2551 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
2552 loop_optimizer_init and loop_optimizer_finalize
2553 * tree-ssa-sink.c (execute_sink_code): Ditto.
2554 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2555 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
2556 tree_ssa_loop_done): Ditto.
2557 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
2558 * sched-ebb.c: Include output.h.
2559 (schedule_ebbs): Do not use dump argument.
2560 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
2561 * loop.c (loop_dump_stream): Removed.
2562 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
2564 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
2565 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
2566 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
2567 loop_iterations, strength_reduce, record_biv, record_giv,
2568 final_giv_value, check_final_value, check_ext_dependent_givs,
2569 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
2570 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
2571 dump_file instead of loop_dump_stream.
2572 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
2574 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
2576 * flow.c (life_analysis, rest_of_handle_life): Ditto.
2577 * haifa-sched.c: Include output.h
2578 (schedule_insns, sched_init): Do not use dump argument.
2579 * mode-switching.c (optimize_mode_switching): Ditto.
2580 * modulo-sched.c (stats_file): Removed.
2581 (print_node_sched_params): Do not call argument dump_file.
2582 (sms_schedule_by_order, loop_canon_p, sms_schedule,
2583 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
2585 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
2587 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
2588 rtl_loop_init, rtl_loop_done): Ditto.
2589 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
2590 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
2592 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
2593 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
2594 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
2595 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
2596 * emit-rtl.c (renumber_insns): Ditto.
2597 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
2598 expand_gimple_basic_block, tree_expand_cfg): Ditto.
2599 * regclass.c (regclass): Ditto.
2600 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
2601 remove_ssa_form, rewrite_out_of_ssa): Ditto.
2602 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
2603 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
2605 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
2606 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
2608 * gcse.c (gcse_file, debug_stderr): Removed.
2609 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
2610 rest_of_handle_gcse): Do not use dump argument.
2611 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
2612 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
2613 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
2614 compute_code_hoist_vbeinout, compute_code_hoist_data,
2615 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
2616 compute_store_table, build_store_vectors, insert_insn_start_bb,
2617 insert_store, remove_reachable_equiv_notes, replace_store_insn,
2618 store_motion): Use dump_file instead of gcse_file.
2619 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
2620 * profile.c (profile_dump_file): Removed.
2621 (branch_prob): Use dump_file instead of profile_dump_file.
2622 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
2624 * tree-ssa-copy.c (dump_copy_of): Ditto.
2625 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
2626 dump file to life_analysis.
2627 * bt-load.c (branch_target_load_optimize): Ditto.
2628 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
2630 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
2631 regclass, dbr_schedule): Declaration changed.
2632 * sched-int.h (sched_init): Declaration changed.
2633 * tree-profile.c (tree_profile_dump_file): Removed.
2634 (tree_profile_hooks): Removed profile_dump_file hook.
2635 * rtl-profile (rtl_profile_dump_file): Removed.
2636 (rtl_profile_hooks): emoved profile_dump_file hook.
2637 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
2639 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
2640 * tree-cfg.c (build_tree_cfg): Ditto.
2641 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
2642 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
2643 Declaration changed.
2644 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
2645 life_analysis and schedule_insns.
2646 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
2648 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
2650 * config/mips/mips.c (mips_reorg): Ditto.
2651 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
2654 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
2656 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2657 (s390_mangle_fundamental_type): New.
2658 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2661 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2662 (alpha_mangle_fundamental_type): New.
2663 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2666 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2668 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2670 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2671 (sparc_mangle_fundamental_type): New.
2673 2006-02-06 Jakub Jelinek <jakub@redhat.com>
2675 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
2676 (s390x-*-linux*): Likewise.
2677 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
2678 * config/s390/t-linux: New file.
2680 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2682 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
2683 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
2685 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
2687 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
2688 (ANTIC_SAFE_LOADS): New macro.
2689 (find_or_generate_expression): Add prototype.
2690 (set_contains_value): Allow null set for sake of not always having
2691 to allocate ANTIC_SAFE_LOADS.
2692 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
2693 Allow COMPONENT_REF too.
2694 (valid_in_set): Allow COMPONENT_REF.
2695 Check ANTIC_SAFE_LOADS too.
2696 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
2697 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
2699 (can_PRE_operation): Add COMPONENT_REF.
2700 (create_component_ref_by_pieces): New function.
2701 (create_expression_by_pieces): Use create_component_ref_by_pieces.
2702 (insert_aux): Move AGGREGATE_TYPE_P check here.
2703 (compute_avail): Set bb local stmt uids.
2704 (pass_pre): Use TODO_update_ssa_only_virtuals.
2706 2006-02-06 Ben Elliston <bje@au.ibm.com>
2708 * configure.ac: Unconditionally disable decimal float by default.
2709 * configure: Regenerate.
2711 2006-02-06 Ben Elliston <bje@au.ibm.com>
2713 * read-rtl.c (read_name): Terminate reading on EOF.
2715 2006-02-06 Ben Elliston <bje@au.ibm.com>
2717 * dfp.c (decimal_real_arithmetic): Change second argument type
2718 from int to enum tree_code. Do not always return true, but now
2719 return result of any call to decimal_do helper functions.
2720 * dfp.h (decimal_real_arithmetic): Update prototype.
2722 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
2724 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
2726 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
2729 * tree-cfg.c (cleanup_dead_labels): Also don't remove
2732 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2734 * tree-vrp.c (cfg_loops): Removed.
2735 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
2736 Use current_loops instead of cfg_loops. Pass flags to
2737 loop_optimizer_init.
2738 * cfgloopmanip.c (fix_loop_structure): Update only available
2740 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
2741 loop_optimizer_init.
2742 * modulo-sched.c (build_loops_structure): Removed.
2743 (sms_schedule): Use loop_optimizer_init.
2744 * loop-init.c (loop_optimizer_init): Use flags to determine
2745 which properties of loops to prepare.
2746 (rtl_loop_init): Pass flags to loop_optimizer_init.
2747 * tree-ssa-sink.c (execute_sink_code): Ditto.
2748 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
2749 * tree-ssa-pre.c (init_pre): Ditto.
2750 * cfgloop.h (LOOPS_NORMAL): New.
2751 (loop_optimizer_init): Declaration changed.
2753 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2755 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
2756 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
2758 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
2760 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
2762 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
2763 * pa/t-pa64: Delete quadlib.c rule.
2764 * pa/x-ada: Revert last change.
2765 * pa/t-pa: Revert last change. Delete quadlib.c rule.
2767 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2769 PR rtl-optimization/26087
2770 * rtlanal.c (canonicalize_condition): Do not cross basic block
2773 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
2776 * config/ia64/ia64.c: Include debug.h.
2777 (MAX_ARTIFICIAL_LABEL_BYTES): New.
2778 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
2779 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
2780 (process_epilogue, process_set, process_for_unwind_directive):
2781 Output unwind info only if requested. Add CFA info if requested.
2782 Add new arguments as needed. Adjust callers.
2783 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
2785 (DWARF2_FRAME_INFO): Define to zero.
2786 * config/ia64/unwind-ia64.c: Remove code that compensated for
2787 the CFA offset error fixed above.
2788 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
2789 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
2790 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
2791 -funwind-tables and -fexceptions to enable frame info.
2792 (dwarf2out_frame_init): Define initial CFA even if
2793 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
2794 DWARF2_UNWIND_INFO is nonzero, not just defined.
2795 (dwarf2out_frame_finish): Output non-EH call frame info only
2796 if DWARF2_FRAME_INFO is nonzero.
2797 (convert_cfa_to_loc_list,
2798 compute_frame_pointer_to_cfa_displacement): Define even if
2799 unwind info is not supported.
2800 (gen_subprogram_die): Use the above unconditionally. Remove
2801 legacy alternate code.
2802 * toplev.c (compile_file): Compile in call to
2803 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
2804 (lang_dependent_init): Ditto for dwarf2out_frame_init.
2806 2006-02-04 David Edelsohn <edelsohn@gnu.org>
2807 Jakub Jelinek <jakub@redhat.com>
2809 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
2810 IBM extended float format long double as "g" on powerpc*-linux.
2812 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2815 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
2816 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
2818 2006-02-03 Jason Merrill <jason@redhat.com>
2821 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
2824 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
2825 on the return slot if it's an NRV.
2827 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
2829 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
2830 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
2831 rewrite_use): Do not handle USE_OUTER.
2832 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
2833 add_iv_outer_candidates, may_replace_final_value,
2834 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
2835 (find_interesting_uses_op): Functionality of
2836 find_interesting_uses_outer_or_nonlin moved here.
2837 (find_interesting_uses_outside): Use find_interesting_uses_op.
2839 2006-02-03 Alan Modra <amodra@bigpond.net.au>
2842 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
2844 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
2845 Ulrich Weigand <uweigand@de.ibm.com>
2848 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
2849 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
2850 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
2851 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
2853 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
2854 (s390_rtx_costs): Use the new fields to calculate rtx costs.
2855 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
2856 Define secondary reloads for TFmode moves.
2857 (constant_modes): Add TFmode.
2858 (NR_C_MODES): Set to 8.
2859 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
2861 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
2862 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
2863 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
2864 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
2865 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
2866 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
2867 (FPR mode macro): Add TFmode.
2868 (DSF mode macro): New.
2869 (<de>, <dee> mode attributes): Removed.
2870 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
2871 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
2872 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
2873 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
2874 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
2875 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
2876 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
2877 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
2878 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
2879 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
2880 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
2881 "*negabs<mode>2", "sqrt<mode>2"):
2882 Changed <de> to <xde>. R constraint replaced by <Rf>.
2883 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
2885 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
2886 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
2887 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
2889 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
2890 "extenddftf2", "extendsftf2"): New expanders.
2891 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
2892 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
2893 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
2894 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
2896 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
2897 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
2898 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
2899 __floatditf): Add a GCC_4.1.0 symbol version tag.
2900 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
2903 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
2906 * config/i386/i386.c (ix86_function_ok_for_sibcall):
2907 Use targetm.binds_local_p instead of TREE_PUBLIC.
2909 2006-02-02 Roger Sayle <roger@eyesopen.com>
2911 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
2912 on INTEGER_TYPEs to indicate that it denotes a character type.
2913 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
2914 signed_char_type_node, unsigned_char_type_node and char_type_node.
2915 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
2916 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
2917 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
2919 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
2920 Daniel Berlin <dberlin@dberlin.org>
2922 * tree-tailcall.c (arg_needs_copy_p): New function.
2923 (eliminate_tail_call): Use arg_needs_copy_p.
2924 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
2925 (add_virtual_phis): New function.
2927 2006-02-02 Jakub Jelinek <jakub@redhat.com>
2929 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
2930 #ignore instead of #scratch for %g7 .register directive.
2932 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
2934 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
2937 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2939 * flow.c (calculate_global_regs_live): Assert that there aren't any
2942 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
2944 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
2946 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
2947 bsi_after_labels iterator.
2948 * tree-if-conv.c (find_phi_replacement_condition,
2949 replace_phi_with_cond_modify_expr): Likewise.
2950 * tree-scalar-evolution.c (scev_const_prop): Likewise.
2951 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
2953 2006-02-02 Diego Novillo <dnovillo@redhat.com>
2955 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
2957 2006-02-02 Diego Novillo <dnovillo@redhat.com>
2960 * tree-cfg.c (move_block_to_fn): Clear out the basic block
2961 array after growing it.
2963 2006-02-01 Steve Ellcey <sje@cup.hp.com>
2966 * fold-const.c (fold_checksum_tree): Change type of buf.
2968 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
2970 * reload.c (push_secondary_reload): Initialize t_icode.
2972 2006-02-01 Jakub Jelinek <jakub@redhat.com>
2974 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
2975 -msoft-float -mlong-double-128 only issue a warning, but don't
2976 swich to DFmode long double.
2978 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
2980 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
2981 has a constant equivalent, iterate over equivalents for arg0,
2982 calling simplify_relational_operation and if there's a result
2983 cheaper than X, apply fold_rtx and return the result.
2985 2006-02-01 Jan Hubicka <jh@suse.cz>
2987 * opts.c (no_unit_at_a_time_default): New global variable.
2988 (decode_options): Use it.
2989 * opts.h (no_unit_at_a_time_default): Declare.
2991 2006-02-01 Paul Brook <paul@codesourcery.com>
2993 * function.c (assign_parm_setup_reg): Use function argument promotion
2995 * expr.c (expand_expr_real_1): Use function argument promotion rules
2998 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3000 * gcc.c (process_command): Change j to 'unsigned int'.
3002 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3005 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
3006 Use the corrected index for the character
3007 out of the string constant.
3009 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3011 * mode-switching.c (optimize_mode_switching): Fix size
3012 allocated for bb_info[n_entities].
3014 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3016 * gcc.c (main): Correct type that is allocated for
3017 explicit_link_files.
3019 2006-01-31 Jakub Jelinek <jakub@redhat.com>
3021 * config/s390/s390.c (init_alignment_context): Set
3022 ALIAS_SET_MEMORY_BARRIER on the MEM.
3023 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
3025 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
3028 * loop-unroll.c (unroll_loop_runtime_iterations): Free
3030 * tree-ssa-live.c (type_var_init): Allocate bitmap after
3033 2006-01-31 Marcin Dalecki <martin@dalecki.de>
3035 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
3036 * regrename.c: Ditto.
3037 * tree-ssa-loop-im.c: Ditto.
3038 * tree-dump.c: Ditto.
3039 * tree-complex.c: Ditto.
3040 * genrecog.c: Ditto.
3041 * tree-ssa-threadupdate.c: Ditto.
3043 * java/class.c: Ditto.
3044 * java/jcf-parse.c: Ditto.
3045 * java/resource.c: Ditto.
3046 * java/except.c: Ditto.
3047 * java/jvspec.c: Ditto.
3048 * java/jcf-write.c: Ditto.
3049 * java/jcf-path.c: Ditto.
3050 * java/gjavah.c: Ditto.
3051 * java/zextract.c: Ditto.
3052 * java/jcf-io.c: Ditto.
3053 * java/jcf.h: Ditto.
3054 * java/buffer.c: Ditto.
3055 * java/lang.c: Ditto.
3056 * java/parse-scan.y: Ditto.
3057 * java/lex.c: Ditto.
3058 * java/lex.h: Ditto.
3059 * cfgloopmanip.c: Ditto.
3060 * postreload-gcse.c: Ditto.
3061 * tree-ssa-loop-manip.c: Ditto.
3062 * postreload.c: Ditto.
3063 * tree-ssa-loop-ch.c: Ditto.
3067 * diagnostic.c: Ditto.
3069 * genoutput.c: Ditto.
3071 * cfghooks.c: Ditto.
3072 * cfgloopanal.c: Ditto.
3073 * objc/objc-act.c: Ditto.
3075 * genextract.c: Ditto.
3076 * genautomata.c: Ditto.
3077 * pretty-print.c: Ditto.
3079 * cgraphunit.c: Ditto.
3082 * haifa-sched.c: Ditto.
3083 * dominance.c: Ditto.
3085 * tree-ssa-loop-ivopts.c: Ditto.
3087 * mode-switching.c: Ditto.
3088 * modulo-sched.c: Ditto.
3090 * ipa-pure-const.c: Ditto.
3092 * fix-header.c: Ditto.
3094 * tree-stdarg.c: Ditto.
3095 * ipa-utils.c: Ditto.
3096 * loop-init.c: Ditto.
3097 * ipa-inline.c: Ditto.
3100 * alloc-pool.c: Ditto.
3101 * dwarf2out.c: Ditto.
3103 * genattrtab.c: Ditto.
3104 * tree-ssa-loop-ivcanon.c: Ditto.
3108 * fortran/gfortranspec.c: Ditto.
3110 * local-alloc.c: Ditto.
3111 * langhooks.c: Ditto.
3112 * function.c: Ditto.
3113 * tree-vectorizer.c: Ditto.
3115 * ipa-type-escape.c: Ditto.
3117 * tree-if-conv.c: Ditto.
3120 * tree-data-ref.c: Ditto.
3121 * loop-unroll.c: Ditto.
3122 * treelang/treetree.c: Ditto.
3125 * ggc-common.c: Ditto.
3127 * coverage.c: Ditto.
3129 * tree-cfgcleanup.c: Ditto.
3130 * tree-ssa-pre.c: Ditto.
3131 * cfgcleanup.c: Ditto.
3132 * loop-invariant.c: Ditto.
3134 * ipa-prop.c: Ditto.
3135 * print-tree.c: Ditto.
3136 * conflict.c: Ditto.
3137 * ggc-page.c: Ditto.
3138 * sched-deps.c: Ditto.
3139 * regclass.c: Ditto.
3140 * tree-object-size.c: Ditto.
3142 * bb-reorder.c: Ditto.
3143 * resource.c: Ditto.
3144 * var-tracking.c: Ditto.
3146 * df-problems.c: Ditto.
3147 * reg-stack.c: Ditto.
3150 * sched-rgn.c: Ditto.
3151 * tree-ssa-structalias.c: Ditto.
3152 * tree-ssa-reassoc.c: Ditto.
3153 * config/darwin-c.c: Ditto.
3154 * config/darwin.c: Ditto.
3155 * config/arm/arm.c: Ditto.
3157 * collect2.c: Ditto.
3160 2006-01-31 Nicolas Pitre <nico@cam.org>
3162 * arm.md (smaxsi3): Make aware of smax_m1.
3165 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
3167 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
3169 2006-01-31 Richard Guenther <rguenther@suse.de>
3171 * doc/invoke.texi (-msselibm): Document.
3172 * target.h (expand_library_builtin): New target hook.
3173 * builtins.c (expand_builtin): Use expand_library_builtin.
3174 (default_expand_library_builtin): New function.
3175 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3176 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3177 (link_gcc_math_spec): Declare.
3178 (static_specs): Add link_gcc_math_spec.
3179 * expr.h (default_expand_library_builtin): Declare.
3180 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3181 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3182 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3183 * config/i386/i386.opt (msselibm): New target option.
3184 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3185 (ix86_init_sse_abi_builtins): New function.
3186 (ix86_expand_library_builtin): Likewise.
3187 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3188 (override_options): Handle error conditions wrt -msselibm.
3189 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3190 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3191 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3194 2006-01-31 Richard Guenther <rguenther@suse.de>
3195 Paolo Bonzini <bonzini@gnu.org>
3197 * doc/install.texi (--disable-libgcc-math): Document.
3199 2006-01-30 Marcin Dalecki <martin@dalecki.de>
3201 * expr.h (expand_normal): new inline function.
3202 * builtins.c: use it, use EXPAND_NORMAL explicitely.
3204 * dwarf2out.c: use it.
3209 * config/sparc/sparc.c: use it.
3210 * config/i386/i386.c: use it.
3211 * config/rs6000/rs6000.c: use it.
3212 * config/arm/arm.c: use it.
3213 * config/mips/mips.c: use it.
3214 * stmt.c: use it, use EXPAND_NORMAL explicitely.
3216 2006-01-30 Roger Sayle <roger@eyesopen.com>
3218 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
3219 argv to the appropriate type.
3221 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
3223 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
3226 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
3229 * config/s390/s390.c (struct machine_function): New flag
3230 decomposed_literal_pool_addresses_ok_p.
3231 (s390_reorg): Set it before final stage of literal pool transforms.
3232 (s390_decompose_address): Only accept displacements of the form
3233 (minus (label_ref ...) (label_ref ...)) if that flag is set.
3235 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
3237 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
3238 the comparison routine return.
3240 2006-01-30 Michael Matz <matz@suse.de>
3242 * global.c (find_reg): Only evict for global regs.
3243 Take n_refs into account and dump more info.
3245 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
3248 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
3249 (pragma_trap, pragma_nosave_low_regs): Likewise.
3250 (current_function_anonymous_args): Likewise.
3251 (sh_deferred_function_attributes): New variable.
3252 (sh_deferred_function_attributes_tail): Likewise.
3253 (print_operand): For '@', look up trap_exit attribute.
3254 (calc_live_regs): Look up trapa_handler attribute. For trapa
3255 handlers, save/restore fpscr, but don't do any other
3256 interrupt-specific saves.
3257 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
3258 Fix check for partially saved registers to check for SHmedia.
3259 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
3260 (sh_output_function_epilogue): Don't clear any of the removed
3262 (sh_insert_attributes): Don't check pragma_interrupt.
3263 Insert deferred attributes. Check that interrupt attribute is
3264 present for other attributes that require its presence.
3265 (sh_attribute_table): Add new attributes trapa_handler and
3267 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
3268 Don't check for pragma_interrupt. Don't store argument.
3269 * sh.h (pragma_interrupt, sp_switch): Don't declare.
3270 (sh_deferred_function_attributes): Declare.
3271 (sh_deferred_function_attributes_tail): Likewise.
3272 * sh.md (sp_switch_1): Add operand. Change generator caller.
3273 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
3274 (*return_i): Don't use when trap_exit attribute is in effect.
3275 (*return_trapa): New insn pattern.
3277 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
3278 setting c_target_objs and cxx_target_objs.
3279 * t-sh: Add rule for sh-c.o.
3281 2006-01-30 Richard Guenther <rguenther@suse.de>
3284 * gimplify.c (gimplify_target_expr): Handle easy cases
3285 without creating a temporary.
3287 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
3289 * vec.h (safe_grow): Remove duplicated line.
3291 2006-01-29 Diego Novillo <dnovillo@redhat.com>
3294 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
3295 (expand_omp): ... here.
3296 (expand_omp_parallel): Only remove barriers for combined
3297 parallel+workshare constructs.
3299 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
3303 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3304 * tree.c (build_qualified_type): Chain the new type to the original
3305 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3306 a POINTER_TYPE or a REFERENCE_TYPE respectively.
3307 (build_pointer_type_for_mode): Only return unqualified types.
3308 (build_reference_type_for_mode): Likewise.
3310 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
3312 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
3313 * Makefile.in (CXX_COMPAT_WARN): Define.
3314 * configure: Regenerate.
3316 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
3319 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
3322 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3324 * toplev.c: Fix thinko.
3326 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3327 Marcin Dalecki <martin@dalecki.de>
3329 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
3330 (push_srcloc): Use XNEW.
3331 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
3333 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3335 * df-core.c (df_set_blocks): Deleted all variable.
3337 2006-01-28 Ian Lance Taylor <ian@airs.com>
3339 * cgraphunit.c (cgraph_assemble_pending_functions): Call
3340 cgraph_output_pending_asms.
3342 2006-01-28 Zack Weinberg <zackw@panix.com>
3344 * c.opt: Add -W(no-)overlength-strings.
3345 * doc/invoke.texi: Document it.
3346 * c-opts.c (c_common_handle_option): -pedantic implies
3347 -Woverlength-strings, if not explicitly disabled already.
3348 (c_common_post_options): -Woverlength-strings defaults to off, and
3349 is always off for C++.
3350 * c-common.c (fix_string_type): Issue warning about strings longer
3351 than is portable only if warn_overlength_strings. Rearrange code
3352 a little for clarity.
3353 * configure.in: Check for -Wno-overlength-strings as well before
3354 enabling -pedantic in stage 1.
3355 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
3356 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
3358 * genconditions.c (write_header, write_one_condition)
3359 (write_conditions, write_writer): Consolidate very long strings
3360 that were broken up to fit in C89 portable limit. Don't use
3361 printf when fputs will do.
3363 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
3365 * combine.c (simplify_comparison <AND>): Check
3366 TRULY_NOOP_TRUNCATION before start using a subreg.
3368 * config/mips/mips.md (*branch_zero<mode>,
3369 *branch_zero<mode>_inverted, *branch_equality<mode>,
3370 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
3371 Remove mode check from comparisons.
3373 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
3375 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
3377 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3379 * expmed.c (const_mult_add_overflow_p): Remove.
3380 * expr.h: Remove the prototype for const_mult_add_overflow_p.
3382 * recog.c (validate_replace_rtx_subexp): Remove.
3383 * recog.h: Remove the prototype for
3384 validate_replace_rtx_subexp.
3386 * integrate.h: Remove the prototype for
3387 copy_decl_for_inlining.
3388 * rtl.h: Remove the prototype for mark_constant_function.
3389 * tree-vectorizer.h: Remove the prototype for
3390 vect_strip_conversion.
3392 * modulo-sched.c (create_partial_schedule,
3393 free_partial_schedule, reset_partial_schedule): Make them
3396 * hooks.c (hook_bool_rtx_int_false): Remove.
3397 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
3399 2006-01-28 David Edelsohn <edelsohn@gnu.org>
3401 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3402 and -mlong-double-128 are incompatible.
3403 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
3404 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
3405 (TARGET_LIBGCC2_CFLAGS): Define.
3406 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
3407 (TARGET_LIBGCC2_CFLAGS): Same.
3408 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
3410 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3413 * c-typeck.c (build_binary_op): Perform implicit casts of
3414 operands before shortening them.
3416 * cfgloopmanip.c (split_loop_bb): Remove.
3417 * cfgloop.h: Remove the prototype for split_loop_bb.
3419 * cfgloop.c (flow_loop_outside_edge_p): Remove.
3420 * cfgloop.h: Remove the prototype for
3421 flow_loop_outside_edge_p.
3423 * emit-rtl.c (init_virtual_regs): Make it static.
3424 * function.h: Remove the prototype for init_virtual_regs.
3426 * recog.c (peephole2_optimize): Make it static.
3427 * recog.h: Remove the prototype for peephole2_optimize.
3429 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3431 * df-scan.c (df_record_entry_block_defs): Check if
3432 INCOMING_RETURN_ADDR_RTX is defined.
3434 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
3435 Kenneth Zadeck <zadeck@naturalbridge.com>
3437 PR rtl-optimization/24762
3438 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3439 * targhooks.c (hook_void_bitmap): New hook prototype.
3440 * targhoohs.h (hook_void_bitmap): Ditto.
3441 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
3442 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
3443 * target.h (live_on_entry): New function pointer.
3444 * df-scan.c (df_all_hard_regs): Removed.
3445 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
3446 (df_scan_free_internal): Added df->entry_block_defs.
3447 (df_scan_alloc): Ditto.
3448 (df_scan_dump): Ditto.
3449 (df_uses_record): Plumbed flag field properly thru calls.
3450 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
3451 This part fixes PR24762.
3452 (df_bb_refs_record): Added code to make the frame and arg
3453 pointers live in EH blocks.
3454 (df_refs_record): Added call to df_record_entry_block_defs.
3455 (df_record_entry_block_defs): New function.
3456 * df-core.c: Added comments to describe new artifical defs.
3457 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
3458 (entry_block_defs): New field in struct df.
3459 (df_all_hard_regs): Deleted.
3460 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3461 * df-problems.c (df_ru_bb_local_compute_process_def):
3462 Added code to handle artifical defs in the entry to a function.
3463 (df_ru_bb_local_compute): Ditto.
3464 (df_rd_bb_local_compute_process_def): Ditto.
3465 (df_rd_bb_local_compute): Ditto.
3466 (df_lr_bb_local_compute): Ditto.
3467 (df_ur_bb_local_compute): Ditto.
3468 (df_urec_bb_local_compute): Ditto.
3469 (df_chain_create_bb): Ditto.
3470 (df_ur_local_finalize): Removed entry.
3471 (df_urec_init): Ditto.
3472 (df_urec_local_finalize): Ditto.
3473 (df_ri_bb_compute): Added detection of last use of pseudos.
3474 * Makefile.in (df-scan.o): Updated dependencies.
3475 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
3476 * config/mips/mips.c (mips_set_live_on_entry): Added.
3477 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
3479 * dce.c (marked_insn_p): Added code to handle artifical defs.
3481 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3483 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
3485 (_mm_cvtsi128_si64): Likewise.
3486 (_mm_cvtsd_si64): Likewise.
3487 (_mm_cvttsd_si64): Likewise.
3488 (_mm_cvtsi64_sd): Likewise.
3489 (_mm_cvtsi64_si128): Likewise.
3490 * config/i386/mmintrin.h (_m_from_int64): Likewise.
3491 (_mm_cvtsi64_m64): Likewise.
3492 (_m_to_int64): Likewise.
3493 (_mm_cvtm64_si64): Likewise.
3494 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
3495 (_mm_cvttss_si64): Likewise.
3496 (_mm_cvtsi64_ss): Likewise.
3497 (_mm_cvtss_f32): Likewise.
3499 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
3501 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
3502 for pragma redefine_extname.
3504 2006-01-27 Jakub Jelinek <jakub@redhat.com>
3507 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
3508 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
3509 -mno-minimal-toc to previous content.
3510 (bispecs): Remove goal.
3511 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
3512 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
3513 compatibility aliases on powerpc-*-*gnu*.
3514 * config/rs6000/libgcc-ppc-glibc.ver: New file.
3515 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
3516 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
3517 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
3518 (ldblspecs): New goal.
3519 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
3520 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
3522 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
3523 L_sf_to_tf or L_df_to_tf is defined.
3525 2006-01-27 David Edelsohn <edelsohn@gnu.org>
3526 Alan Modra <amodra@bigpond.net.au>
3529 * config/rs6000/linux.h (POWERPC_LINUX): Define.
3530 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
3531 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
3532 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
3533 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
3534 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
3535 (rs6000_override_options): Initialize rs6000_ieeequad.
3536 Initialize TFmode format to ibm_extended_format if not
3538 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
3540 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
3541 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
3542 (function_arg_advance): IBM long double passed in two FPRs, not
3544 (function_arg): IBM long double passed in FPRs.
3545 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
3546 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
3547 Only multireg GPR aligned.
3548 (rs6000_init_libfuncs): Enable IBM long double functions if not
3550 (rs6000_generate_compare): Use IBM long double compare if not
3552 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
3553 (TARGET_IEEEQUAD): Define.
3554 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
3555 not TARGET_IEEEQUAD.
3556 * config/rs6000/rs6000.md: Enable TFmode patterns if
3558 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
3559 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3560 and -mlong-double-128 are incompatible.
3561 * doc/invoke.texi (-mabi): Collect options together. Add
3562 ibmlongdouble and ieeelongdouble.
3564 2006-01-27 Richard Sandiford <richard@codesourcery.com>
3566 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
3568 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
3569 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
3570 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
3571 * rtl.h (rtunion_def): Remove rt_ptr.
3573 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
3574 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
3575 * config/i386/winnt.c (i386_pe_mark_dllexport)
3576 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
3578 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
3580 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
3582 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3586 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
3587 pthread_key_delete. From John David Anglin. gthrw-ify
3588 pthread_getunique_np only if it it's not a macro. Delete
3590 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
3591 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
3592 __gthread_objc_condition_signal, __gthread_key_delete): Add
3593 "__attribute__ ((__unused__))" to unused arguments.
3594 (__gthread_recursive_mutex_init_function): Add missing return.
3595 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
3596 gthr-posix95.h: Use macro-based approach for name redirection
3597 on targets missing weakref.
3599 2006-01-26 Zack Weinberg <zackw@panix.com>
3601 * genconditions.c (write_header): In generated code, #ifdef out
3602 all includes and fake declarations, except includes of bconfig.h
3603 and system.h, unless GCC_VERSION >= 3001. Do not include
3604 gensupport.h in any case.
3605 (write_conditions): Generate a definition of struct c_test. Add
3606 a comment to the generated #endif.
3607 (write_one_condition): Escape backslashes in string too.
3608 (write_writer): Generated code must escape backslashes and quote
3609 marks (but not newlines) in the strings it writes.
3610 * Makefile.in (build/gencondmd.o): Update dependencies.
3612 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3615 * Makefile.in (insn-automata.o): Add header file dependencies.
3616 * genautomata.c: Add includes.
3618 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3621 * Makefile.in (insn-automata.o): Add -Wno-error flag.
3623 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3625 * configure.ac: Expect target tools paths to be passed from the toplevel
3626 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
3628 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
3630 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3633 * c.opt (Wpointer-sign): Init to -1.
3634 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
3635 OPT_pedantic, to 0 otherwise.
3636 * doc/invoke.texi: Update.
3638 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3640 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
3641 constants provided by 80387 instructions in the destination mode.
3643 2006-01-26 Richard Guenther <rguenther@suse.de>
3644 Andrew Pinski <pinskia@physics.uc.edu>
3647 partial PR tree-opt/17064
3648 * tree-ssa-structalias.c (intra_create_variable_infos):
3649 Create heap variables for incoming parameters if
3650 flag_argument_noalias > 1.
3651 (find_what_p_points_to): Look through default defs of
3654 2006-01-26 Jeff Law <law@redhat.com>
3657 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
3658 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
3659 within the VR_RANGE, use the VR_RANGE as the result, not the
3661 (adjust_range_with_scev): Reject ranges from SCEV which are out of
3662 bounds for the type.
3664 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
3666 * tree-ssa-alias.c (maybe_create_global_var): Change
3667 subvar walking to an assertion that we don't have subvar'd variables.
3669 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
3672 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
3673 Use a new variable, inner. PARM_DECLs are always non-weak.
3675 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
3677 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
3680 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
3682 * config/mips/mips.md (*clear_upper32): New combiner pattern.
3684 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
3686 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
3687 (smax_insn, smin_insn, smax_0, smin_0): New.
3689 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
3692 * config/cris/cris.c (cris_order_for_addsi3): New function.
3693 * config/cris/cris-protos.h: Prototype it.
3694 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
3695 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
3696 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
3697 (split for "op.S1 [rx=rx+i],ry (swapped)")
3698 (split for "op(s|u).S1 [rx=rx+i],ry")
3699 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
3700 Apply cris_order_for_addsi3 when generating addsi3 insns.
3702 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3704 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
3705 (TREE_BLOCK): Add call to EXPR_CHECK.
3707 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3710 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
3711 * tree-pretty-print.c (dump_omp_clause): Extract from ...
3712 (dump_omp_clauses): ... here.
3713 (dump_generic_node): Handle OMP_CLAUSE.
3714 * tree.c (omp_clause_num_ops): New.
3715 (omp_clause_code_name): New.
3716 (tree_code_size): Handle OMP_CLAUSE.
3717 (tree_size): Likewise.
3718 (make_node): Document handling of OMP_CLAUSE.
3719 (tree_node_structure): Handle OMP_CLAUSE.
3720 (omp_clause_check_failed): New.
3721 (omp_clause_range_check_failed): New.
3722 (omp_clause_operand_check_failed): New.
3723 (build_omp_clause): New.
3724 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
3725 * tree.h (enum omp_clause_code): Declare.
3726 (OMP_CLAUSE_SUBCODE_CHECK): Define.
3727 (OMP_CLAUSE_RANGE_CHECK): Define.
3728 (OMP_CLAUSE_ELT_CHECK): Define.
3729 (omp_clause_check_failed): Declare.
3730 (omp_clause_operand_check_failed): Declare.
3731 (omp_clause_range_check_failed): Declare.
3732 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
3733 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
3734 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
3735 (OMP_CLAUSE_LASTPRIVATE): Likewise.
3736 (OMP_CLAUSE_IF_EXPR): Likewise.
3737 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
3738 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
3739 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
3740 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
3741 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
3742 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
3743 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
3744 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
3745 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
3746 (OMP_CLAUSE_CODE): Define.
3747 (OMP_CLAUSE_SET_CODE): Define.
3748 (OMP_CLAUSE_CODE): Define.
3749 (OMP_CLAUSE_OPERAND): Define.
3750 (struct tree_omp_clause): Declare.
3751 (union tree_node): Add field 'omp_clause'.
3752 * treestruct.def (TS_OMP_CLAUSE): Define.
3753 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
3754 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
3755 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
3756 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
3757 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
3758 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
3759 (OMP_CLAUSE): Define.
3760 * print-tree.c (print_node): Handle OMP_CLAUSE.
3761 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
3762 * c-typeck.c: Likewise.
3763 * gimplify.c: Likewise.
3764 * c-omp.c: Likewise.
3765 * tree-nested.c: Likewise.
3766 * tree-inline.c: Likewise.
3767 * c-parser.c: Likewise.
3768 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
3771 2006-01-25 Roger Sayle <roger@eyesopen.com>
3773 PR rtl-optimization/25703
3774 * combine.c (try_combine): Handle zero_extract and strict_low_part
3775 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
3777 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
3779 * global.c: Fix comment typos.
3781 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
3784 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
3785 Use output_addr_const instead of assemble_name.
3787 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
3789 * Makefile.in (sched-vis.o): Update dependencies.
3790 * haifa-sched.c (sched_finish): Clear current_sched_info.
3791 * cfg.c (dump_bb_info): New, split from dump_flow_info.
3792 (dump_flow_info): Call it.
3793 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
3795 * basic-block.h (dump_bb_info): Declare.
3796 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
3797 option, and apply options only for dump files whose TDF_RTL,
3798 TDF_TREE, or TDF_IPA bits match.
3799 * rtl.h: Declare new functions exported from sched-vis.c.
3800 * sched-vis.c: Enable also if scheduling is not used.
3801 (print_value): Print the mode of registers if not inside scheduling.
3802 (print_insn): Make it work outside the scheduler. Beautify the output
3804 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
3806 2006-01-25 Richard Sandiford <richard@codesourcery.com>
3808 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
3809 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
3810 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
3811 depending on the value of CONSTANT_POOL_ADDRESS_P.
3812 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
3814 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
3815 rather than SYMBOL_REF_DECL.
3816 (rtx_constant_pool): Remove const_rtx_sym_htab.
3817 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
3818 (init_varasm_status): Don't initialize const_rtx_sym_htab.
3819 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
3820 Remove handling of const_rtx_sym_htab.
3821 (find_pool_constant): Delete.
3822 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
3823 rather than find_pool_constant.
3824 (get_pool_constant_for_function): Delete.
3825 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
3827 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
3828 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
3829 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
3830 (SYMBOL_REF_CONSTANT): New macro.
3831 (get_pool_constant_for_function): Delete.
3832 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
3833 rather than SYMBOL_REF_DECL.
3834 (i386_pe_mark_dllimport): Likewise.
3835 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
3836 rather than SYMBOL_REF_DECL.
3837 * config/darwin.c (machopic_indirect_data_reference): Likewise.
3838 (machopic_indirect_call_target): Likewise.
3840 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
3842 * flow.c (delete_noop_moves): Add missing EOL to dump message.
3844 2006-01-25 Richard Sandiford <richard@codesourcery.com>
3846 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
3848 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
3850 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
3852 2006-01-24 David Daney <ddaney@avtrex.com>
3855 * configure.ac (enable_tls): New enable option.
3856 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
3857 * configure: Regenerate.
3858 * doc/install.texi (--enable-tls): Document new option.
3859 (--disable-tls): Ditto.
3861 2006-01-24 Richard Henderson <rth@redehat.com>
3863 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
3864 * alias.c (true_dependence): Respect it.
3865 (canon_true_dependence, write_dependence_p): Likewise.
3866 * builtins.c (get_builtin_sync_mem): Set it.
3868 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
3870 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
3873 2006-01-24 DJ Delorie <dj@redhat.com>
3875 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
3876 for storing constants in single-bit bitfields.
3878 2006-01-25 Ben Elliston <bje@au.ibm.com>
3880 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
3882 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
3885 * tree-ssa-pre.c (phi_translate): Return NULL
3886 for AGGREGATE_TYPE's.
3888 2006-01-24 Zack Weinberg <zackw@panix.com>
3890 * genautomata.c (process_state_for_insn_equiv_partition):
3891 Use xcalloc for insn_arcs_array.
3892 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
3893 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
3895 2006-01-24 Richard Henderson <rth@redhat.com>
3897 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
3900 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
3902 PR rtl-optimization/25890
3903 PR rtl-optimization/25905
3904 * combine.c (expand_compound_operation, expand_field_assignment):
3905 Fail if the bitfield's final position is out of bounds.
3907 2006-01-24 Ian Lance Taylor <ian@airs.com>
3910 * cgraphunit.c (cgraph_output_in_order): Don't clear
3911 cgraph_asm_nodes until after asm strings have been output.
3913 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
3915 * fix-header.c (read_scan_file): Add new parameter imultilib when
3916 calling register_include_chains.
3918 2006-01-23 Diego Novillo <dnovillo@redhat.com>
3920 * omp-low.c: Update documentation.
3922 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
3923 Daniel Berlin <dberlin@dberlin.org>
3927 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
3928 return from the function.
3930 2006-01-22 Zack Weinberg <zackw@panix.com>
3932 * rtl.def (match_code): Add second argument.
3933 * genpreds.c (write_extract_subexp): New function.
3934 (write_match_code): Add path argument. Use write_extract_subexp.
3935 (write_predicate_expr): Pass path to write_match_code.
3936 (mark_mode_tests): MATCH_CODE applied to a subexpression does
3937 not perform a mode test.
3938 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
3939 a subexpression does not constrain the top-level code set.
3940 * read-rtl.c (read_rtx_variadic): New function.
3941 (read_rtx_1): Use it; allow AND and IOR to be variadic.
3942 * doc/md.texi: Document new notation.
3943 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
3944 (cmpsi_operand): ... here, using new notation.
3946 2006-01-22 Zack Weinberg <zackw@panix.com>
3948 * varray.c: Remove GENERATOR_FILE #ifdefs.
3950 2006-01-22 Zack Weinberg <zackw@panix.com>
3952 * genautomata.c (output_reserved_units_table): Emit nothing if
3953 description->query_units_num is zero. Remove extra blank line.
3954 (output_cpu_unit_reservation_p): Short circuit
3955 if description->query_units_num is zero.
3957 2006-01-22 Zack Weinberg <zackw@panix.com>
3959 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
3960 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
3961 nor any of the random handful of variables that used to be necessary
3962 when this program was linked with rtlanal.o. Prune set of forward
3963 function declarations.
3964 (struct attr_desc): Remove static_p field.
3965 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
3966 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
3967 (attr_string): Do not read the character one past the length of
3969 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
3970 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
3971 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
3972 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
3973 (make_automaton_attrs): New.
3974 (main): Do not call into genautomata. Call local gen_bypass
3975 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
3976 Remove special case for insn_alts.
3977 * genautomata.c: Include gensupport.h; not genattrtab.h nor
3978 varray.h (leftover from previous change). Prune set of forward
3979 function declarations. Remove state_alts fields from all
3980 structures. Remove state_alts_table from struct automaton.
3981 Make everything except main static. Do not maintain num_dfa_decls.
3982 Do not maintain state_alts fields of various structures.
3983 (process_decls): Don't validate condexp for dm_insn_reserv decls.
3984 (add_arc): Remove state_alts argument. All callers updated.
3985 (output_reserved_units_table): Emit #ifdef here...
3986 (output_tables): ...not here. Don't generate state_alts tables.
3987 (expand_automata): Don't generate attributes.
3988 (write_automata): Don't generate state_alts functions.
3989 (main): New function.
3990 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
3991 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
3992 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
3993 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
3994 (BYPASS_P_FUNC_NAME, output_state_alts_table)
3995 (output_automata_list_state_alts_code, output_internal_state_alts_func)
3996 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
3997 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
3999 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
4000 * genattrtab.h: Delete file.
4001 * Makefile.in (OBJS-common): Add insn-automata.o.
4002 (insn-automata.o): New rule.
4003 (simple_generated_c): Add insn-automata.c.
4004 (build/genattrtab.o, build/genautomata.o): Update dependencies.
4005 (genprogmd): Add automata.
4006 (build/genattrtab): Needs no extra objects nor libraries.
4007 (build/genautomata): Needs build/vec.o and -lm.
4009 2006-01-22 Zack Weinberg <zackw@panix.com>
4011 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
4012 (output_dfa_max_issue_rate, locked_states_num): Delete.
4013 (struct automaton): Add locked_states field.
4014 (output_dead_lock_vect): Save number of locked states in
4015 automaton->locked_states. If it is zero, don't print anything.
4016 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
4017 (output_internal_dead_lock_func): Only test the dead_lock_vect
4018 for automata that have locked states.
4019 (output_statistics): Always print the number of locked states for
4020 each automaton. Calculate total number of locked states here.
4021 (write_automata): Don't call output_dfa_max_issue_rate.
4022 * genattrtab.c: Define length_unit_log as a const variable.
4023 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
4024 max_insn_queue_index const.
4025 * final.c (length_unit_log): Declare const.
4026 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
4028 2006-01-22 Zack Weinberg <zackw@panix.com>
4030 * genautomata.c: Include vec.h, not varray.h.
4031 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
4032 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
4033 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
4034 VEC_* macros operating on appropriately typed vectors, or to
4035 malloced arrays when the size is known in advance. Const-ify
4036 many char* variables and function arguments. No functional changes.
4037 * Makefile.in (build/varray.o): Delete rule.
4038 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
4039 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
4041 2006-01-22 Zack Weinberg <zackw@panix.com>
4043 * gensupport.c: Define get_insn_name and record_insn_name here.
4044 (read_md_rtx): Call record_insn_name as appropriate.
4045 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
4046 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
4047 * genpreds.c, genrecog.c: Don't define get_insn_name nor
4049 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
4050 (BUILD_VARRAY): Delete.
4051 (genprognormal): Rename genprogmd. Fold in all programs from
4052 genprognoprint; also attrtab.
4053 (build/genattrtab): Just mention genautomata.o and varray.o.
4054 Reorganize a bit, add comments to make the categories clearer.
4056 2006-01-22 Zack Weinberg <zackw@panix.com>
4058 * genconditions.c (condition_table, add_condition): Delete.
4059 (write_conditions): Don't emit n_insn_conditions nor
4060 insn_elision_unavailable. Issue the gcc version #ifdef here,
4061 inside the table, with no #else clause ...
4062 (write_header): ...not here.
4063 (write_writer): New function.
4064 (main): Don't initialize condition_table. Use add_c_test.
4066 * gensupport.c (init_md_reader_args_cb): Handle multiple input
4067 files on the command line.
4068 (maybe_eval_c_test): Don't check insn_elision_unavailable.
4069 Return -1 if there is no entry in the table, don't abort.
4070 (add_c_test, traverse_c_tests): New functions.
4071 * gensupport.h (insn_elision_unavailable, insn_conditions)
4072 (n_insn_conditions): Delete declarations.
4073 (add_c_test, traverse_c_tests): Declare.
4074 * read-rtl.c: Include gensupport.h.
4075 (read_conditions): New function.
4076 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
4077 (read_rtx_1): If we get EOF when we were looking for an initial
4078 open paren, return 0. Call read_conditions when appropriate.
4079 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
4080 dummy-conditions.o. Eliminate references to insn-conditions.o,
4081 or change them to build/gencondmd.o, as appropriate. Remove
4082 insn-constants.h from $(simple_generated_h) and insn-conditions.c
4083 from $(simple_generated_c). For all files remaining in those
4084 two lists, add insn-conditions.md to the generator command line.
4085 Give insn-constants.h/s-constants their own rules. Add rules
4086 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
4087 (build/read-rtl.o): Depend on gensupport.h.
4088 (genprognormal): Include preds.
4089 (genprogearly): Rename genprognoprint; only difference is now that
4090 they don't link with $(BUILD_PRINT).
4091 * dummy-conditions.c: Delete.
4093 2006-01-22 Zack Weinberg <zackw@panix.com>
4095 * genextract.c: Don't include insn-config.h. Do include vec.h.
4096 Declare vectors of int, char, and locstr.
4097 (locstr): New typedef.
4098 (struct extraction): Make all array fields into bare pointers.
4099 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
4100 (insn_code_number): Delete.
4101 (accum_extract): New struct.
4102 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
4103 (gen_insn): Take insn_code_number as an argument. Use an
4104 accum_extract structure instead of loading data directly into
4105 a struct extraction, and having to know how big it might get.
4106 (walk_rtx): Operate entirely on an accum_extract structure.
4107 (print_path): Avoid unnecessary use of printf.
4108 (print_header): New function, split out of main. Distinguish
4109 more carefully between an unrecognizable insn and an insn that
4110 has the code number of a define_expand.
4111 (main): Pass insn_code_number to gen_insn. Call print_header
4112 only after parsing. Avoid unnecessary use of printf.
4113 * Makefile.in (build/vec.o): New rule.
4114 (build/genextract): Depend on build/vec.o.
4115 (build/genextract.o): Don't depend on insn-config.h.
4117 2006-01-22 Zack Weinberg <zackw@panix.com>
4119 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
4120 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
4121 practical. Eliminate per-generator-program link rules.
4123 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
4126 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4127 with a call expr to ...
4128 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4130 2006-01-23 Richard Guenther <rguenther@suse.de>
4132 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
4133 before make_edge with conditional EDGE_TRUE_VALUE.
4135 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
4136 Jan Hubicka <jh@suse.cz>
4137 Richard Guenther <rguenther@suse.de>
4139 PR rtl-optimization/25654
4140 * cfgexpand.c (aggregate_contains_union_type): New function.
4141 (add_alias_set_conflicts): Call it. Make sure to add conflicts
4142 for structure variables that contain a union type.
4144 2006-01-23 Richard Sandiford <richard@codesourcery.com>
4146 * gengtype.c (new_structure): Return the structure.
4147 (create_option): Add an extra "next" argument.
4148 (create_field): New function.
4149 (adjust_field_rtx_def): Use create_option and create_field.
4150 Remove a now-unnecessary call to find_structure.
4151 (adjust_field_tree_def): Likewise.
4152 (note_yacc_type): Remove an unnecessary call to find_structure.
4153 * gengtype.h (new_structure): Return the structure.
4154 (create_option): Add an extra argument.
4155 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
4156 (option): Adjust calls to create_option.
4158 2006-01-22 David Edelsohn <edelsohn@gnu.org>
4160 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
4162 2006-01-22 Paul Brook <paul@codesourcery.com>
4163 Peter Barada <peter@the-baradas.com>
4165 * config/m68k/m68k.md: Add Coldfire FPU support.
4166 Define FP mode macro and associated attributes.
4167 Use it for float mode patterns.
4168 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
4169 (LIBCALL_VALUE): Use m68k_libcall_value.
4170 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
4171 (m68k_function_value): Ditto.
4172 (emit_move_sequence): Ditto.
4173 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
4174 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
4175 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
4176 (MULTILIB_EXCEPTIONS): Ditto.
4177 * config/m68k/m68k.opt: Add mcfv4e.
4178 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
4179 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
4180 (m68k_output_function_prologue): Save ColdFire FPU registers.
4181 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
4182 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
4183 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
4184 ColdFire FPU registers.
4185 (m68k_libcall_value, m68k_function_value): New functions.
4186 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
4187 (LIBCALL_VALUE): Use m68k_libcall_value.
4188 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
4189 (MASK_COLDFIRE): Add MASK_CFV4E.
4190 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
4191 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
4192 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
4193 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
4194 (GO_IF_LEGITIMATE_ADDRESS): Use it.
4195 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
4196 * doc/invoke.tex: Document -mcfv4e on m68k.
4198 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
4200 * doc/contribute.texi: Change CVS to SVN and update the corresponding
4203 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
4206 * c-opts.c (c_common_handle_option): Don't include
4207 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
4208 * doc/invoke.texi (C++ Dialect Options): Document that
4209 -Wnon-virtual-dtor is no longer included in -Wall.
4211 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
4213 * gcov.c (print_version), gcov-dump.c (print_version),
4214 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
4217 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
4219 * df-scan.c (problem_SCAN): Added NULL reset function.
4220 (df_scan_reset_blocks): Added code to call reset block function
4221 (df_bb_refs_delete) Fixed comment.
4222 (df_insn_refs_delete): Made tolerant of deleting non existent info
4223 for dataflow problems that need to be reset.
4224 * df-core.c (df_set_blocks): Ditto.
4225 * df.h (struct df_problem): Added reset_fun.
4226 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
4227 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
4228 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
4229 functions to clear out all references to def-use or use-def chains.
4231 2006-01-21 Ben Elliston <bje@au.ibm.com>
4233 * varasm.c (assemble_real): Initialise data array.
4235 2006-01-20 Paul Brook <paul@codesourcery.com>
4237 Merge from csl-arm-branch.
4238 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
4239 * config/arm/arm.md (movdi): Force operands[1] to a register
4240 if we have a non-register source.
4241 (*arm_movdi, *movdf_soft_insn): Require that one of the
4242 operands be a register.
4243 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
4244 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
4246 2006-01-20 DJ Delorie <dj@redhat.com>
4248 * varasm.c (initialize_constant_valid_p): Allow pointers
4249 initialized from integer constants of lesser precision.
4250 (output_constant): Allow non-int-sized pointer modes to be
4251 initialized from integer constants.
4253 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
4256 * cppdefault.h (struct default_include): Add multilib flag.
4257 * cppdefault.c (cpp_include_defaults): Set it.
4258 * c.opt (-imultilib): New option.
4259 * c-opts.c (imultilib): New.
4260 (c_common_handle_option): Handle -imultilib.
4261 (c_common_post_options): Likewise.
4262 * c-incpath.c (add_standard_paths, register_include_chains):
4264 * c-incpath.h (register_include_chains): Add extra parameter.
4265 * gcc.c (do_spec_1): Generate -imultilib option.
4266 (The Specs Language): Update %I description.
4267 (process_command): Update copyright notice.
4268 * doc/cppopts.texi (-imultilib): Document.
4269 * doc/invoke.texi (-imultilib): Include in option summary.
4270 (%I): Update specs documentation.
4272 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4274 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
4276 2006-01-20 Richard Sandiford <richard@codesourcery.com>
4278 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
4281 2006-01-20 Richard Guenther <rguenther@suse.de>
4282 Steven Bosscher <stevenb.gcc@gmail.com>
4284 PR rtl-optimization/24626
4285 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
4286 EDGE_TRUE_VALUE if in RTL mode.
4289 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
4290 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
4292 2006-01-20 Dirk Mueller <dmueller@suse.com>
4295 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
4296 instead of a special NOP marker.
4297 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
4298 NOP marker handling.
4299 * c-common.h (empty_body_warning): Add forward declaration.
4300 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
4301 Now uses IS_EMPTY_STMT() instead of special NOP markers.
4303 2006-01-20 Paul Brook <paul@codesourcery.com>
4305 * Makefile.in (lang_checks): Keep going if mkdir fails.
4307 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4309 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
4310 be able to clean out basic block when not necessary.
4311 (df_scan_free): Fixed to properly delete information if df is
4312 unused before calling df_finish.
4313 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
4314 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
4316 (df_bb_refs_delete): New function.
4317 (df_refs_delete): Moved per block code to df_bb_refs_delete.
4318 * df-core.c (df_set_blocks): Added code to properly clean out
4319 unused blocks if they are not part of the blocks to consider.
4320 Added additional null check.
4321 (df_compact_blocks): Added basic block parameter to free_bb_fun to
4322 be able to clean out basic block when not necessary
4323 * df.h (df_free_bb_function): Ditto.
4324 (df_bb_refs_delete): New function.
4325 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
4326 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
4327 basic block parameter to be able to clean out basic block when not
4329 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
4330 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
4331 Fixed to properly delete information if df is unused before
4334 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4336 PR rtl-optimization/25799
4337 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
4338 Corrected confluence operator to remove bits from op2 before oring
4339 with op1 rather than removing bits from op1.
4340 (df_ru_transfer_function): Corrected test on wrong bitmap which
4341 caused infinite loop. Both of these problems were introduced in
4342 the dataflow rewrite.
4344 2006-01-19 DJ Delorie <dj@redhat.com>
4346 * reload1.c (find_reload_regs): Note the details of reload
4347 failures in the dump file.
4348 (spill_failure): Likewise.
4350 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4352 * loop-iv.c: Include df.h and hashtab.h.
4353 (enum iv_grd_result): New enum.
4354 (DF_REF_IV, DF_REF_IV_SET): New macros.
4355 (struct biv_entry): New.
4356 (df, bivs): New global variables.
4357 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
4358 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
4360 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
4361 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
4362 analyzed_for_bivness_p, record_biv): New functions.
4363 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
4364 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
4365 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
4367 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
4369 (iv_number_of_iterations): Use new interface to iv analysis.
4370 * loop-unroll.c: Do not include varray.h.
4371 (analyze_iv_to_split_insn): Use new interface to iv
4373 * loop-unswitch.c (may_unswitch_on): Ditto.
4374 * df.c (df_bitmaps_free): Only work for bbs for that structures are
4376 (df_bb_modify): Realloc tables to the new index.
4377 (df_find_use): New function.
4378 * df.h (df_find_use): Declare.
4379 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
4381 * cfgloop.h (struct rtx_iv): Remove analysed field.
4382 (iv_get_reaching_def): Removed.
4383 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
4384 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
4385 (loop-iv.o): Add df.h and hashtab.h dependency.
4386 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
4388 2006-01-20 Alan Modra <amodra@bigpond.net.au>
4391 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
4393 (__floatundisf, __floatundidf): Likewise.
4394 * libgcc2.h (IS_IBM_EXTENDED): Define.
4396 2006-01-19 DJ Delorie <dj@redhat.com>
4398 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
4400 2006-01-19 Paul Brook <paul@codesourcery.com>
4402 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
4403 as nothrow when unwinding tables are disabled.
4405 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4408 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
4409 of bit-field" when in system header.
4411 2006-01-19 DJ Delorie <dj@redhat.com>
4413 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
4414 the 16 bit shift limit of the m16c.
4416 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
4419 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
4420 * config/i386/i386.c (output_set_got): Output the label if we have one
4421 for the TARGET_DEEP_BRANCH_PREDICTION case.
4423 2006-01-19 Jan Hubicka <jh@suse.cz>
4424 H.J. Lu <hongjiu.lu@intel.com>
4425 Evandro Menezes <evandro.menezes@amd.com>
4427 * invoke.texi (generic): Document
4429 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
4430 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
4431 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
4432 (x86_use_incdec, x86_pad_returns): New variables
4433 (TARGET_CPU_DEFAULT_generic): New constant
4434 (TARGET_CPU_DEFAULT_NAMES): Add generic.
4435 (enum processor_type): Add generic32 and generic64.
4436 * i386.md (cpu attribute): Add generic32/generic64
4437 (movhi splitter): Behave sanely when both partial_reg_dependency and
4438 partial_reg_stall are set.
4439 (K8 splitters): Enable for generic as well.
4440 * predicates.md (incdec_operand): Use TARGET_INCDEC
4441 (aligned_operand): Avoid memory mismatch stalls.
4442 * athlon.md: Enable for generic64, new patterns for 128bit moves.
4443 * ppro.md: Enable for generic32
4444 * i386.c (generic64_cost, generic32_cost): New.
4445 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
4446 (x86_use_leave): Enable for generic64. (x86_use_sahf,
4447 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
4448 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
4449 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4450 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4451 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4452 x86_accumulate_outgoing_args, x86_prologue_using_move,
4453 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4454 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
4456 (x86_use_incdec, x86_pad_returns): New.
4457 (override_options): Add generic32 and generic64, translate "generic"
4458 to generic32/generic64 and "i686" to "generic32", refuse
4459 "generic32"/"generic64" as arch target.
4460 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
4461 (ix86_reorg): Honor PAD_RETURNS.
4463 2006-01-19 Diego Novillo <dnovillo@redhat.com>
4465 * tree-pretty-print.c (dump_generic_node): Handle
4466 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
4467 * cgraph.c (cgraph_expand_queue): Rename from
4468 cgraph_analyze_queue. Update all users.
4469 * cgraphunit.c (cgraph_assemble_pending_functions): Process
4470 cgraph_expand_queue.
4471 (cgraph_expand_all_functions): Likewise.
4472 (cgraph_finalize_pending_functions): Remove. Update callers.
4474 * tree.h (OMP_DIRECTIVE_P): Define.
4475 (OMP_PARALLEL_FN): Define.
4476 (OMP_PARALLEL_DATA_ARG): Define.
4477 (OMP_SECTIONS_SECTIONS): Define.
4478 * tree-pass.h (pass_expand_omp): Declare.
4479 * omp-low.c (struct omp_region): Declare.
4480 (struct omp_context): Remove fields 'parallel_type',
4481 'parallel_start_ix' and 'parallel_start_additional_args'.
4483 (struct omp_for_data): Rename from struct expand_omp_for_data.
4484 (omp_regions): New static variable.
4485 (root_omp_region): New static variable.
4486 (find_omp_clause): Make static.
4487 (is_in_combined_parallel_ctx): Remove.
4488 (is_combined_parallel): New.
4489 (extract_omp_for_data): Move earlier in the file.
4490 (workshare_safe_to_combine_p): New.
4491 (get_ws_args_for): New.
4492 (determine_parallel_type): Move earlier in the file.
4493 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
4495 (omp_copy_decl): Likewise.
4496 (create_omp_child_function): Likewise.
4497 (lookup_omp_region): New.
4498 (dump_omp_region): New.
4499 (debug_omp_region): New.
4500 (debug_all_omp_regions): New.
4501 (new_omp_region): New.
4502 (scan_omp_parallel): If parallel_nesting_level > 1, the
4503 directive is nested within another parallel directive.
4504 Set OMP_PARALLEL_FN.
4505 (scan_omp_for): Do not try to handle combined parallel+for
4507 Remove FIXME comment.
4508 (scan_omp_nested): Remove.
4509 (scan_omp_1): Do not call scan_omp_nested when
4510 parallel_nesting_level is > 1.
4511 Do not change the DECL_CONTEXT of local variables found.
4512 (lookup_decl_in_outer_ctx): New.
4513 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
4514 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
4515 (lower_reduction_clauses): Rename from expand_reduction_clauses.
4516 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
4517 If CTX is nested, lookup VAR in the outer context when
4518 building copy assignment.
4519 (lower_send_clauses): Rename from expand_send_clauses.
4520 If CTX is nested, lookup VAR in the outer context when
4521 building copy assignments.
4522 (lower_send_shared_vars): Rename from expand_send_shared_vars.
4523 If CTX is nested, lookup VAR in the outer context when
4524 building copy assignments.
4525 (expand_parallel_call): Rename from build_parallel_call.
4526 Handle combined parallel+workshare cases.
4527 Re-implement to emit code into the CFG.
4529 (expand_omp_parallel): Re-implement to emit code into the CFG.
4530 Call move_sese_region_to_fn to outline the sub-graph
4531 containing the parallel region.
4532 (expand_omp_for_1): Remove.
4533 (expand_omp_for_generic): Re-implement to emit code into the
4535 (expand_omp_for_static_nochunk): Likewise.
4536 (expand_omp_for_static_chunk): Likewise.
4537 (expand_omp_for): Likewise.
4538 (expand_omp_sections): Likewise.
4539 (remove_exit_barriers): New.
4540 (expand_omp_synch): New.
4542 (build_omp_regions_1): New.
4543 (build_omp_regions): New.
4544 (execute_expand_omp): New.
4545 (gate_expand_omp): New.
4546 (pass_expand_omp): Define.
4547 (lower_omp_sections): Rename from expand_omp_sections.
4548 Set OMP_SECTIONS_SECTIONS.
4549 (lower_omp_single_simple): Rename from expand_omp_single_simple.
4550 (lower_omp_single_copy): Rename from expand_omp_single_copy.
4551 (lower_omp_single): Rename from expand_omp_simple.
4552 (lower_omp_master): Rename from expand_omp_master.
4553 (lower_omp_ordered): Rename from expand_omp_ordered.
4554 (lower_omp_critical): Rename from expand_omp_critical.
4555 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
4556 (lower_omp_for): Re-implement.
4557 (lower_omp_parallel): Re-implement.
4558 (lower_regimplify): Rename from expand_regimplify.
4559 (lower_omp_1): Rename from expand_omp_1.
4560 If there are syntax errors in the program, replace every
4561 OpenMP directive with NOP.
4562 Call lower_omp_* instead of expand_omp_*.
4563 (lower_omp): Rename from expand_omp.
4565 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
4566 * tree-gimple.h (enum omp_parallel_type): Remove.
4567 (gimple_boolify): Declare extern.
4568 (find_omp_clause, determine_parallel_type): Remove.
4570 * gimple-low.c (lower_omp_directive): New.
4571 (lower_stmt): Call it.
4572 (record_vars_into): Move from ...
4573 (record_vars): ... here.
4574 Call record_vars_into with current_function_decl.
4576 * gimplify.c (struct gimplify_ctx): Remove fields
4577 combined_pre_p and combined_ctxp. Update users.
4578 (get_formal_tmp_var): Add documentation.
4579 (gimple_boolify): Make extern.
4580 (gimplify_expr_in_ctx): Remove. Update callers.
4581 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
4582 will always be a BIND_EXPR.
4583 (gimplify_expr): Handle OMP_RETURN_EXPR.
4584 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
4585 (OMP_PARALLEL): Add 3 operands.
4586 (OMP_SECTIONS): Add 1 operand.
4587 (OMP_RETURN_EXPR): Define.
4589 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
4590 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
4591 * tree-iterator.c (alloc_stmt_list): Assert that we are not
4592 creating a circular free list.
4593 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
4595 * tree-flow.h (move_sese_region_to_fn): Declare.
4596 (record_vars_into): Declare.
4597 * tree-cfg.c (make_omp_sections_edges): New.
4598 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
4599 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
4600 OMP_SECTIONS and OMP_SECTION.
4601 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
4602 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
4603 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
4604 (gather_blocks_in_sese_region): New.
4605 (struct move_stmt_d): Declare.
4607 (move_block_to_fn): New.
4608 (move_sese_region_to_fn): New.
4610 * passes.c (init_optimization_passes): Schedule
4611 pass_expand_omp after pass_init_datastructures.
4613 * tree-ssa-operands.c (get_expr_operands): Handle
4614 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
4615 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
4617 2006-01-19 Jeff Law <law@redhat.com>
4619 * tree-vrp.c (extract_range_from_assert): Refine the result range
4620 if the variable referenced by the ASSERT_EXPR has a range and
4621 either the tentative result range or the previous range is a
4624 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4626 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
4628 2006-01-19 Jan Hubicka <jh@suse.cz>
4630 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
4632 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
4634 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
4635 (expand_compound_operation, expand_field_assignment): Fail if the
4636 bit lengths of an extract operation are out of range.
4637 (make_extraction): Compute wanted_inner_mode based on the position
4638 and length of the extraction. Make it extraction_mode for non-constant
4639 positions, and do not modify offset in that case. When generating a
4640 new MEM, use a mode that can hold the extraction while keeping correct
4641 alignment. Remove code that supported MEMs wrapped by USEs.
4642 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
4644 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
4646 * config/s390/s390.md ("Y", "y"): New mode attribute.
4647 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
4648 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
4649 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
4650 "*addsi3_imm_cc", "*addsi3_carry1_cc",
4651 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
4652 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
4653 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
4654 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
4655 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
4656 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
4657 "addsi3", "subsi3"): Insn patterns removed.
4658 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
4659 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
4660 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
4661 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
4662 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
4663 "*sub<mode>3_cconly2"): New insn patterns.
4664 ("addsi3", "subsi3"): New expanders.
4666 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
4668 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
4669 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
4670 existing STMT_VINFO_VECTYPE if available.
4671 (vect_mark_relevant): Add special handling for stmts that are
4672 marked as STMT_VINFO_IN_PATTERN_P.
4673 (vect_analyze_loop): Call vect_pattern_recog.
4674 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
4675 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
4677 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
4678 (vect_recog_func_ptr): New function-pointer type.
4679 * tree-vect-patterns.c: New file.
4680 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
4681 (vect_recog_dot_prod_pattern, vect_pattern_recog):
4682 (vect_pattern_recog_1): New functions.
4683 (vect_pattern_recog_funcs): New array of function pointers.
4685 * tree-vectorizer.h (ternary_op): New enum value.
4686 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
4687 declaration. Revised documentation. Removed redundant dump prints.
4688 Removed redundant argument. Added support for reduction patterns.
4689 (vectorizable_reduction): Added support for reduction patterns.
4690 (vect_transform_stmt): Added support for patterns.
4692 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
4693 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
4694 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
4695 (expand_widen_pattern_expr): New function.
4696 (init_optabs): Initialize new optabs udot_prod_optab,
4698 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
4699 (sdot_prod_optab, udot_prod_optab): Define new optabs.
4700 (expand_widen_pattern_expr): New function declaration.
4701 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
4703 * tree-inline.c (estimate_num_insns_1): Added cases for new
4704 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4705 * tree-pretty-print.c (dump_generic_node): Likewise.
4706 (op_prio): Likewise.
4707 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4708 * tree-ssa-operands.c (get_expr_operands): Added case for
4710 * tree-vect-patterns.c (widened_name_p): New function.
4711 (vect_recog_dot_prod_pattern): Added function implementation.
4712 * tree-vect-transform.c (get_initial_def_for_reduction): Added
4713 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
4714 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
4715 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
4717 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
4718 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
4719 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
4720 (init_optabs): Initialize new optabs widen_ssum_optab,
4722 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
4723 (widen_ssum_optab, widen_usum_optab): Define new optabs.
4724 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
4725 use instead of type of def.
4726 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
4727 function implementation.
4728 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
4729 widen_ssumv8hi): New.
4731 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
4734 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4737 * c-decl.c (add_flexible_array_elts_to_size): New function.
4738 (finish_decl): Use it.
4740 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
4742 * diagnostic.h: Include options.h.
4743 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
4744 dependancies for diagnostic.h.
4745 * Makefile.in (DIAGNOSTIC_H): Add options.h.
4747 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
4749 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
4750 (ssa_ro_call_cache_valid): Ditto.
4751 * tree-ssa-alias.c (sort_tags_by_id): New function.
4752 (init_transitive_clobber_worklist): Ditto.
4753 (add_to_worklist): Ditto.
4754 (mark_aliases_call_clobbered): Ditto.
4755 (compute_tag_properties): Ditto.
4756 (set_initial_properties): Ditto.
4757 (compute_call_clobbered): Ditto.
4758 (compute_may_aliases): Call compute_call_clobbered and grouping.
4759 (compute_flow_sensitive_aliasing): Remove clobbering related code.
4760 (compute_flow_insensitive_aliasing): Grouping now happens in our
4762 (setup_pointers_and_addressables): Remove clobbering related code.
4763 (add_may_alias): Ditto.
4764 (replace_may_alias): Ditto.
4765 (get_nmt_for): Ditto.
4766 (create_global_var):
4767 (is_escape_site): Return an escape_type enumeration.
4768 * tree-flow-inline.h (is_call_clobbered): Global var does not
4769 imply call clobbered.
4770 (mark_call_clobbered): Take a reason for marking this. Remove
4771 marking of globalness, and cache invalidation.
4772 (clear_call_clobbered): Remove cache invalidation code.
4773 * tree-dfa.c (dump_variable): If details is on, dump the reason
4775 * tree-outof-ssa.c (create_temp): Copy escape mask from original
4777 * tree-flow.h (struct ptr_info_def): Add escape mask member.
4778 (struct var_ann_d): Ditto.
4779 (enum escape_type): New.
4780 (mark_call_clobbered): Adjust prototype.
4781 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
4782 are never call clobbered.
4783 Record reasons for escaping.
4784 * tree-ssa-structalias.h (is_escape_site): Update prototype.
4785 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
4786 (ssa_ro_call_cache_valid): Ditto.
4787 (clobbered_v_may_defs): Ditto.
4788 (clobbered_vuses): Ditto.
4789 (ro_call_vuses): Ditto.
4790 (clobber_stats): New.
4791 (init_ssa_operands): Zero out clobber stats.
4792 (fini_ssa_operands): Print out clobber stats.
4793 (get_call_expr_operands): Pass callee fndecl to
4795 (add_call_clobber_ops): Remove use of cache.
4796 Add use of PURE_CONST information.
4797 (add_call_read_ops): Remove use of cache.
4798 Add use of static not_read information.
4800 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
4802 Introduce TLS descriptors for i386 and x86_64.
4803 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
4804 (TARGET_ANY_GNU_TLS): New macro.
4805 (enum tls_dialect): Added TLS_DIALECT_GNU2.
4806 (struct machine_function): Add tls_descriptor_call_expanded_p.
4807 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
4808 (ix86_current_function_calls_tls_descriptor): Likewise.
4809 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
4810 (override_options): Introduce gnu2 tls dialect.
4811 (ix86_frame_pointer_required): Functions containing TLSCALLs are
4813 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
4815 (legitimize_tls_address): Adjust logic for GNU2 TLS.
4816 (ix86_init_machine_status): Initialize new field.
4817 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
4818 (ix86_tls_module_base): New.
4819 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
4820 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
4821 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
4822 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
4823 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
4824 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
4825 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
4826 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
4827 * config/i386/predicates.md (tls_modbase_operand): New.
4828 (tp_or_register_operand): New.
4830 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
4832 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
4833 (look_for_address_of): Ditto.
4834 (ipa_init): Walk the function decls.
4835 (static_execute): Don't set readonly on FUNCTION_DECL's.
4837 2006-01-18 Roger Sayle <roger@eyesopen.com>
4839 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
4840 for shifts where the source and destination registers are different.
4842 2006-01-18 Paul Brook <paul@codesourcery.com>
4844 Merge from csl-arm-branch.
4845 2005-03-14 Julian Brown <julian@codesourcery.com>
4846 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
4847 (aeabi_llsl): Likewise.
4848 (ashrdi3): Likewise.
4849 (aeabi_lasr): Likewise.
4850 (lshrdi3): Likewise.
4851 (aeabi_llsr): Likewise.
4852 2005-03-10 Julian Brown <julian@codesourcery.com>
4853 * config.gcc: Disable shared libgcc for SymbianOS.
4854 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
4856 2006-01-18 DJ Delorie <dj@redhat.com>
4858 * c-pragma.c (handle_pragma_diagnostic): New.
4859 (init_pragma): Register it.
4860 * doc/extend.texi: Document it.
4862 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
4863 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
4864 (diagnostic_context): Add classify_diagnostic[].
4865 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
4866 as errors if they're overridden to DK_WARNING.
4867 (diagnostic_initialize): Initialize classify_diagnostic[].
4868 (diagnostic_set_kind_override): New.
4869 (diagnostic_report_diagnostic): Check for kind changes.
4870 * opts.c (common_handle_option): Take lang_mask. Update callers.
4872 * common.opt (Werror=): New.
4873 * doc/invoke.texi: Document -Werror=*
4875 2006-01-18 Jeff Law <law@redhat.com>
4877 * tree-vrp.c (test_for_singularity): Correct test for new
4878 min limit. Use operand_equal_p rather than pointer equality
4879 for testing if new min/max values are equal.
4881 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
4882 using range information until after propagation and folding.
4884 2006-01-18 Richard Henderson <rth@redhat.com>
4885 Aldy Hernandez <aldyh@redhat.com>
4886 Jakub Jelinek <jakub@redhat.com>
4887 Diego Novillo <dnovillo@redhat.com>
4889 * omp-low.c: New file.
4890 * c-omp.c: New file.
4892 2006-01-18 Richard Henderson <rth@redhat.com>
4893 Jakub Jelinek <jakub@redhat.com>
4894 Diego Novillo <dnovillo@redhat.com>
4896 * doc/invoke.texi: Document -fopenmp.
4897 * tree-dump.h (debug_function): Declare.
4898 * hooks.c (hook_bool_tree_bool_false): New function.
4899 (hook_tree_tree_null): Remove.
4900 (hook_tree_tree_tree_null): New.
4901 * hooks.h: Update to match.
4902 * tree-pretty-print.c (debug_tree_chain): New.
4903 (print_generic_expr): Handle TDF_CHAIN.
4904 (dump_generic_node): Handle BLOCK.
4905 Do not abort with incomplete SWITCH_EXPRs.
4906 Do not dump body of an OpenMP directive if TDF_SLIM is given.
4907 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
4908 print space after directive name.
4909 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
4910 Handle OMP_MASTER and OMP_ORDERED.
4911 Handle printing of OMP_BODY just in one place, goto
4912 dump_omp_body in the rest of OMP_* nodes that have
4914 Don't handle clause nodes here. Update omp statements to
4915 use dump_omp_clauses.
4916 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
4917 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
4918 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
4919 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
4920 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
4921 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
4922 Adjust output for GOMP_PARALLEL.
4923 (dump_omp_clauses): New.
4924 (print_declaration): Dump DECL_VALUE_EXPR.
4925 (op_symbol_1): Split out of op_symbol.
4926 (dumping_stmts): Remove. Update all users.
4927 * cgraph.c (cgraph_analyze_queue): New.
4928 (cgraph_add_new_function): New.
4929 * cgraph.h (cgraph_analyze_queue): Declare.
4930 (cgraph_add_new_function): Declare.
4931 (cgraph_lower_function): Remove.
4932 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
4933 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
4934 and TYPE_P nodes in its default clause.
4935 (empty_body_p): New.
4936 (tree_range_check_failed): New.
4938 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
4939 OMP_CLAUSE_REDUCTION_MERGE,
4940 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
4941 OMP_CLAUSE_PRIVATE_DEBUG,
4942 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
4943 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
4944 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
4945 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
4946 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
4947 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
4948 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
4949 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
4950 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
4951 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
4952 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
4953 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
4954 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
4955 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
4956 (TREE_RANGE_CHECK): New.
4957 (empty_body_p): Declare.
4958 (enum omp_clause_default_kind): New.
4959 (build_string_literal): Declare.
4960 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
4961 (build5_stat, build5): Declare.
4962 * tree-pass.h (TDF_CHAIN): Define.
4963 * tree-pass.h (PROP_gimple_lomp): Define.
4964 (pass_lower_omp): Declare.
4965 * diagnostic.h (debug_tree_chain): Declare.
4966 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
4968 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
4969 * builtins.c (build_string_literal): Make extern.
4970 * gcc.c (include_spec_function): New.
4971 (static_spec_functions): Add it.
4972 (main): Move load of libgomp.spec ...
4973 (LINK_COMMAND_SPEC): ... here.
4974 (link_gomp_spec): New.
4975 (static_specs): Include it.
4976 (LINK_COMMAND_SPEC): Add link_gomp.
4977 (GOMP_SELF_SPECS): New.
4978 (driver_self_specs): Include it.
4979 (switch_matches): Don't mark inline.
4980 (main): Load libgomp.spec.
4981 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
4982 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
4983 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
4984 * tree-gimple.h (enum omp_parallel): Declare.
4985 (determine_parallel_type): Declare.
4986 (omp_firstprivatize_variable): Declare.
4987 (omp_reduction_init): Declare.
4988 (diagnose_omp_structured_block_errors): Declare.
4989 (struct walk_stmt_info): Add want_return_expr.
4990 (struct walk_stmt_info): Add want_bind_expr, want_locations.
4991 (find_omp_clause): Declare.
4992 (insert_field_into_struct): Declare.
4993 (struct walk_stmt_info): Move from tree-nested.c
4994 (walk_stmts): Declare.
4995 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
4997 * cgraphunit.c (cgraph_lower_function): Make static.
4998 (cgraph_finalize_pending_functions): New.
4999 (cgraph_finalize_function): Call it.
5000 (cgraph_finalize_compilation_unit): Likewise.
5001 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
5002 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
5003 (BT_FN_UINT_UINT): New.
5004 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
5005 DEF_FUNCTION_TYPE_VAR_4): Document.
5006 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
5007 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
5008 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
5009 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
5010 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
5011 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
5012 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
5013 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
5014 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
5015 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
5016 into separate files.
5017 (DEF_GOMP_BUILTIN): New.
5018 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
5019 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
5020 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
5021 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
5022 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
5023 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
5024 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
5025 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
5026 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
5027 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
5028 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
5029 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
5030 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
5031 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
5032 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
5033 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
5034 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
5035 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
5036 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
5037 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
5038 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
5039 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
5040 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
5041 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
5042 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
5043 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
5044 * sync-builtins.def: New file, moved from builtins.def.
5045 * omp-builtins.def: New file, moved from builtins.def.
5046 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
5047 * gimple-low.c (lower_function_body): Clear data.
5048 (lower_stmt): Do not handle COMPOUND_EXPR.
5049 Remove call to print_node_brief.
5050 * c-tree.h (c_finish_omp_clauses): New prototype.
5051 (C_DECL_THREADPRIVATE_P): Define.
5052 (lookup_name_no_remap, c_omp_remap_private): Remove
5053 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
5054 (check_for_loop_decls): Update decl.
5055 (lookup_name_no_remap, c_omp_remap_private): Declare.
5056 (build_indirect_ref, build_modify_expr, pushdecl,
5057 pushdecl_top_level): Move to c-common.h.
5058 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
5059 before the switch, but just in the 2 places that need it.
5060 * c-decl.c (diagnose_mismatched_decls): Do not check for
5061 mismatched thread-local attributes when OLDDECL is marked
5062 threadprivate and NEWDECL has no thread-local attributes.
5063 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
5064 (c_gimple_diagnostics_recursively): Rename from
5065 c_warn_unused_result_recursively. Invoke
5066 diagnose_omp_structured_block_errors.
5067 (check_for_loop_decls): Return a singular decl found.
5068 * langhooks.c (lhd_omp_predetermined_sharing): Return
5069 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
5070 (lhd_omp_firstprivatize_type_sizes): New.
5071 (lhd_omp_assignment): New.
5072 (lhd_omp_predetermined_sharing): New.
5073 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
5074 (struct lang_hooks_for_types): Add
5075 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
5076 omp_predetermined_sharing, omp_disregard_value_expr,
5077 omp_private_debug_clause, omp_clause_default_ctor,
5078 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
5079 (c_finish_omp_clauses): New.
5080 (c_finish_bc_stmt): Diagnose break within omp for.
5081 (c_begin_omp_parallel, c_finish_omp_parallel): New.
5082 (build_unary_op): Return error_mark after reporting
5084 (build_modify_expr): Likewise.
5085 * gimplify.c: Include optabs.h and pointer-set.h.
5086 (enum gimplify_omp_var_data): Declare.
5087 (struct gimplify_omp_ctx): Declare.
5088 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
5090 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
5091 (push_gimplify_context, pop_gimplify_context): Allow nesting.
5092 (splay_tree_compare_decl_uid): New.
5093 (new_omp_context): New.
5094 (delete_omp_context): New.
5095 (gimple_add_tmp_var): Call omp_add_variable.
5096 (gimplify_bind_expr): Likewise.
5097 (gimplify_var_or_parm_decl): If omp_notice_variable returned
5098 true, disregard DECL_VALUE_EXPR on the decl if any.
5099 (gimplify_expr_in_ctx): New.
5100 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
5101 omp_add_variable, omp_notice_variable, omp_is_private
5102 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
5103 gimplify_adjust_omp_clauses, gimplify_omp_parallel
5104 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
5105 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
5106 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
5107 gimplify_omp_atomic): New.
5108 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5109 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5110 OMP_CRITICAL and OMP_ATOMIC.
5111 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
5112 * c-pragma.h (enum pragma_kind): Add
5113 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
5114 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
5115 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
5116 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
5117 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
5118 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
5119 PRAGMA_OMP_THREADPRIVATE.
5120 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5121 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5122 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
5123 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
5124 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
5125 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
5126 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
5127 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
5128 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
5129 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
5130 * tree-ssa-dce.c (find_control_dependence): Do not assume that
5131 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
5132 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
5134 (struct nesting_info): Add field_map,
5135 suppress_expansion, debug_var_chain.
5136 (create_nesting_tree): Initialize them.
5137 (lookup_field_for_decl): Use field_map.
5138 (get_nonlocal_debug_decl, get_local_debug_decl): New.
5139 (convert_local_omp_clauses): New.
5140 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
5141 (walk_body): Split out of walk_function.
5142 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
5143 (convert_nonlocal_reference): Handle omp statements.
5144 (convert_local_reference): Likewise.
5145 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
5146 (unnest_nesting_tree): New.
5147 (lower_nested_functions): Call it.
5148 (insert_field_into_struct): Make extern.
5149 (struct walk_stmt_info): Move to tree-gimple.h.
5150 (walk_stmts): Make extern.
5151 * omp-builtins.def: New file.
5152 * tree-iterator.c (expr_only): Clarify comment.
5153 * c-common.h (pushdecl_top_level, pushdecl,
5154 build_modify_expr, build_indirect_ref,
5155 c_finish_omp_master, c_finish_omp_critical,
5156 c_finish_omp_ordered, c_finish_omp_barrier,
5157 c_finish_omp_atomic, c_finish_omp_flush,
5158 c_finish_omp_for, c_split_parallel_clauses,
5159 omp_clause_default_kind, c_omp_sharing_predetermined,
5160 c_omp_remap_decl): Declare.
5161 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
5162 (OBJS-common): Add omp-low.o.
5163 (c-omp.o, omp-low.o): Add.
5164 (gimplify.o): Add dependency on $(OPTABS_H).
5165 (GTFILES): Add omp-low.c.
5166 (gt-stringpool.h): Add.
5167 * tree-cfg.c (set_bb_for_stmt): Do not update the
5168 block-to-labels map if we are currently expanding to RTL.
5169 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
5171 Handle IDENTIFIER_NODE.
5172 (tree_verify_flow_info): Do not ICE when emitting error
5173 messages about invalid labels.
5174 (dump_function_to_file): Reset CFUN before emitting the body
5176 (debug_function): New.
5177 * passes.c (init_optimization_passes): Schedule
5179 * langhooks-def.h (lhd_omp_predetermined_sharing,
5180 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
5182 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
5183 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
5184 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
5185 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
5186 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
5187 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
5188 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
5189 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
5190 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
5191 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
5192 (LANG_HOOK_DECLS): Use them.
5194 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
5195 Richard Henderson <rth@redhat.com>
5196 Jakub Jelinek <jakub@redhat.com>
5197 Diego Novillo <dnovillo@redhat.com>
5199 * c-parser.c (pragma_omp_clause): Define.
5200 (c_parser_declaration_or_fndef): Document OpenMP syntax.
5201 (c_parser_compound_statement): Likewise.
5202 (c_parser_statement): Likewise.
5203 (c_parser_pragma): Handle omp pragmas.
5204 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
5205 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
5206 (c_parser_omp_clause_name, check_no_duplicate_clause,
5207 c_parser_omp_variable_list,
5208 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
5209 c_parser_omp_clause_copyprivate,
5210 c_parser_omp_clause_default,
5211 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
5212 c_parser_omp_clause_lastprivate,
5213 c_parser_omp_clause_nowait,
5214 c_parser_omp_clause_num_threads,
5215 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
5216 c_parser_omp_clause_reduction,
5217 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
5218 c_parser_omp_all_clauses, c_parser_omp_structured_block,
5219 c_parser_omp_atomic, c_parser_omp_barrier,
5220 c_parser_omp_critical, c_parser_omp_flush,
5221 c_parser_omp_for_loop, c_parser_omp_for,
5222 c_parser_omp_master, c_parser_omp_ordered,
5223 c_parser_omp_sections_scope, c_parser_omp_sections,
5224 c_parser_omp_parallel, c_parser_omp_single,
5225 c_parser_omp_construct, c_parser_omp_threadprivate): New.
5226 * c-pragma.c (init_pragma): Do omp pragma registration here.
5227 * c.opt (fopenmp): New flag.
5229 2006-01-18 Eric Christopher <echristo@apple.com>
5231 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
5232 * config/darwin.h (GOMP_SELF_SPECS): Define.
5234 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5236 * rtl.h: Remove the prototype for reg_alloc.
5238 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5241 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
5242 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
5243 sjlj and dwarf2 exception handling.
5244 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
5245 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
5246 * pa/pa.c (function_value): Treat complex and vector types as
5248 (function_arg): Likewise. Only pass scalar floats in the floating
5249 point argument registers.
5250 * pa/t-slibgcc-dwarf-ver: New file.
5251 * pa/t-slibgcc-sjlj-ver: New file.
5252 * pa/t-slibgcc-elf-ver: Delete file.
5254 2006-01-19 Alan Modra <amodra@bigpond.net.au>
5256 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
5257 unlikely_test_section_p test.
5259 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5261 * mode-switching.c (optimize_mode_switching): Make it static.
5262 * basic-block.h: Remove the prototype for
5263 optimize_mode_switching.
5265 * modulo-sched.c (sms_schedule): Make it static.
5266 * rtl.h: Remove the prototype for sms_schedule.
5268 * postreload-gcse.c (gcse_after_reload_main): Make it static.
5269 * rtl.h: Remove the prototype for gcse_after_reload_main.
5271 * reg-stack.c (reg_to_stack): Make it static.
5272 * rtl.h: Remove the prototype for reg_to_stack.
5274 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
5276 * rtl.h: Remove the prototypes for regrename_optimize and
5277 copyprop_hardreg_forward.
5279 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
5281 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
5282 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
5283 Test against the appropriate null constant for the mode.
5284 If 'fixup_overlap' is true, swap the operands if they overlap.
5285 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
5286 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
5287 alpha_split_tmode_pair and adjust for above change.
5288 * config/alpha/alpha.md (movtf_internal): Adjust call to
5289 alpha_split_tfmode_pair and rely on it to swap the operands.
5290 (movti_internal): New insn and post-reload splitter.
5291 (movti): New expander.
5293 2006-01-18 Philippe De Muyter <phdm@macqel.be>
5295 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
5298 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5300 * rtlanal.c (global_reg_mentioned_p_1,
5301 global_reg_mentioned_p): Remove.
5302 * rtl.h: Remove the prototype for global_reg_mentioned_p.
5304 * flow.c (initialize_uninitialized_subregs): Make it static.
5305 * rtl.h: Remove the prototype for
5306 initialize_uninitialized_subregs.
5308 * function.c (instantiate_virtual_regs): Make it static.
5309 * function.h: Remove the prototype for
5310 instantiate_virtual_regs.
5312 * regmove.c (regmove_optimize, combine_stack_adjustments):
5314 * rtl.h: Remove the prototypes for regmove_optimize and
5315 combine_stack_adjustments.
5317 2006-01-17 Roger Sayle <roger@eyesopen.com>
5319 * config/i386/i386.c (COSTS_N_BYTES): New macro.
5320 (size_cost): Encode costs in bytes so that a reg-reg addition is
5321 equivalent to COSTS_N_INSNS(1).
5322 (override_options): Use the size_cost.branch_cost as the default
5323 ix86_branch_cost when optimizing for size.
5325 2006-01-18 Ben Elliston <bje@au.ibm.com>
5327 * Makefile.in (D32PBIT_FUNCS): New.
5328 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
5329 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
5330 D64PBIT_FUNCS and D128PBIT_FUNCS.
5331 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
5332 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
5334 (decnumber_dep): Define.
5335 * doc/libgcc.texi (Decimal float library routines): New node.
5336 * config/dfp-bit.h, config/dfp-bit.c: New files.
5338 2006-01-18 Ben Elliston <bje@au.ibm.com>
5340 * expr.c (emit_move_change_mode): Always adjust addresses, not
5341 just during reload. Copy replacements only during reload.
5342 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
5343 emit_move_via_integer.
5345 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
5347 * Makefile.in (check-%, check-consistency): Use $${srcdir}
5348 instead of $(srcdir) and ${srcdir}.
5350 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
5354 * arm.h (struct machine_function): Add pic_reg.
5355 * arm.c (arm_pic_register): Make unsigned.
5356 (arm_override_options): Only set arm_pic_register if
5357 TARGET_SINGLE_PIC_BASE.
5358 (use_return_insn): Only test for a pic register if it is fixed.
5359 (arm_compute_save_reg0_reg12_mask): Likewise.
5360 (thumb_compute_save_reg_mask): Likewise.
5361 (legitimate_pic_operand): Factor out some known invariants.
5362 (legitimize_pic_address): If we don't have a fixed pic register,
5363 then set up a pseudo in the function entry sequence. Handle the
5364 pic base being in a pseudo.
5365 (arm_load_pic_register): Handle the pic register being in a pseudo.
5366 (arm_expand_prologue): Only set up the pic register if it is fixed.
5367 (thumb_expand_prologue): Likewise.
5368 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
5369 (pic_load_addr_based_insn): Likewise.
5370 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
5373 2006-01-18 Ben Elliston <bje@au.ibm.com>
5375 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
5376 decimal float modes for all floating point registers.
5378 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
5379 match_code "mem" with match_test "macho_lo_sum_memory_operand".
5381 2006-01-17 Jakub Jelinek <jakub@redhat.com>
5384 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
5385 even when the pointer is not NULL.
5387 2006-01-16 Ian Lance Taylor <ian@airs.com>
5389 * common.opt (ftoplevel-reorder): New option.
5390 * cgraph.c (cgraph_asm_nodes): New global variable.
5391 (cgraph_asm_last_node): New static variable.
5392 (cgraph_order): New global variable.
5393 (cgraph_create_node): Set new order field.
5394 (cgraph_varpool_node): Likewise.
5395 (decide_is_variable_needed): Return true if not
5396 flag_toplevel_reorder.
5397 (cgraph_add_asm_node): New function.
5398 * cgraph.h (struct cgraph_node): Add order field.
5399 (struct cgraph_varpool_node): Add order field.
5400 (struct cgraph_asm_node): Define.
5401 (cgraph_asm_nodes, cgraph_order): Declare.
5402 (cgraph_add_asm_node): Declare.
5403 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
5405 (cgraph_varpool_assemble_pending_decls): Call it.
5406 (cgraph_output_pending_asms): New static function.
5407 (cgraph_finalize_compilation_unit): Call it.
5408 (struct cgraph_order_sort): Define.
5409 (cgraph_output_in_order): New static function.
5410 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
5411 !flag_toplevel_reorder case.
5412 * c-parser.c: Include "cgraph.h".
5413 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
5415 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
5416 than -fno-unit-at-a-time.
5417 * doc/invoke.texi (Option Summary): Mention
5418 -fno-toplevel-reorder.
5419 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
5420 -funit-at-a-time documentation.
5422 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
5423 Kazu Hirata <kazu@codesourcery.com>
5425 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
5427 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
5429 * Makefile.in (FUNCTION_H): New. Use it instead of
5430 function.h throughout the file.
5431 * function.h: Include tree.h.
5433 2006-01-17 Ben Elliston <bje@au.ibm.com>
5435 * recog.c: Separate some functions with whitespace.
5437 2006-01-16 Richard Henderson <rth@redhat.com>
5439 Merge from gomp branch:
5440 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
5441 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
5442 and rename from struct inline_data. Rename callee* to dst*;
5443 caller* to src*; add copy_decl hook, transform_call_graph_edges,
5444 transform_new_cfg, transform_return_to_modify, and
5445 transform_lang_insert_block flags; remove cloning_p, versioning_p,
5447 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
5448 (copy_decl_for_dup): Remove.
5449 * tree-inline.c (struct inline_data): Move to header.
5450 (insert_decl_map): Export.
5451 (remap_decl): Update for member name changes. Use copy_decl hook.
5452 Allow for replacement to be a non-decl. Remove dead code.
5453 (remap_type_1): Check for existing mapping.
5454 (remap_type): Export.
5455 (remap_decls): Update for member name changes.
5456 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
5457 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
5458 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
5459 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
5460 (tree_function_versioning, build_duplicate_type): Likewise.
5461 (copy_body_r): Likewise. Export.
5462 (copy_decl_for_dup): Split into ...
5463 (copy_decl_for_dup_finish, copy_decl_to_var,
5464 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
5465 (replace_ref_tree, inlining_p): Remove.
5467 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5469 * ifcvt.c (if_convert): Make it static.
5470 * rtl.h: Remove the prototype for if_convert.
5472 * local-alloc.c (local_alloc): Make it static.
5473 * rtl.h: Remove the prototype for local_alloc.
5475 * loop.c (loop_optimize): Make it static.
5476 * cfgloop.h: Remove the prototype for loop_optimize.
5479 2006-01-16 DJ Delorie <dj@redhat.com>
5481 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
5484 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5486 * pa.md: Disparage copies between general and floating-point registers
5487 in 32-bit move patterns.
5489 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
5492 * Makefile.in (check-%): Depend on site.exp instead of
5493 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
5496 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5498 * global.c (global_alloc): Make it static.
5499 * rtl.h: Remove the prototype for global_alloc.
5501 2006-01-16 Richard Guenther <rguenther@suse.de>
5503 * tree-ssa-alias.c (struct used_part): Add write_only field.
5504 (get_or_create_used_part_for): Initialize it to true.
5505 (create_overlap_variables_for): Don't create structure variables
5506 for structures that only are written to.
5507 (find_used_portions): Handle MODIFY_EXPR to track whether a
5508 structure is only written to.
5510 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5512 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
5514 * basic-block.h: Remove the prototype for
5515 partition_hot_cold_basic_blocks.
5517 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
5519 * cppspec.c (lang_specific_spec_functions): Remove.
5520 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
5521 * gcc.h (lang_specific_spec_functions): Remove.
5522 * gccspec.c (lang_specific_spec_functions): Remove.
5524 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
5526 * combine.c (record_value_for_reg): Invalidate registers
5528 (record_dead_and_set_regs_1): Likewise, by passing them to
5529 record_value_for_reg.
5530 (record_dead_and_set_regs): Invalidate stores made by a
5531 call. We do not combine across a call, but we still
5532 relied on equivalences.
5534 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5536 * tree-vrp.c (extract_range_from_binary_expr): Cope with
5537 vrp_int_const_binop returning non-constant nodes.
5539 2006-01-16 Paul Brook <paul@codesourcery.com>
5541 * config/m68k/m68k.c (output_move_const_into_data_reg):
5542 Output correct mnemonic for mvz and mvs.
5544 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
5546 * rtl-factoring.c: Add sequence abstraction algorithm.
5547 * cfgcleanup.c (outgoing_edges_match): Extra checks.
5548 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
5550 (block_has_preserve_label): New function.
5551 * common.opt: Register new pass.
5552 * Makefile.in: Ditto.
5554 * timevar.def: Ditto.
5555 * tree-pass.h: Ditto.
5556 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
5557 * rtl.h (make_jump_insn_raw): Add forward decl.
5558 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
5560 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5561 Roger Sayle <roger@eyesopen.com>
5563 * fold-const.c (fold_minmax): New static function.
5564 (fold_binary) <MIN_EXPR>: Call it.
5565 <MAX_EXPR>: Likewise.
5566 * stor-layout.c (place_field): Use DECL_SIZE consistently
5567 in the computation of the new record size.
5569 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5571 * cse.c (cse_condition_code_reg): Make it static.
5572 * rtl.h: Remove the prototype for cse_condition_code_reg.
5574 * combine.c (combine_instructions): Make it static.
5575 * rtl.h: Remove the prototype for combine_instructions.
5577 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5580 * tree.c (get_file_function_name_long): Concatenate the first global
5581 object name with a string derived from the input filename of the object
5584 2006-01-16 Ben Elliston <bje@au.ibm.com>
5586 * config/i386/winnt-stubs.c: Update FSF address.
5587 * config/xtensa/ieee754-df.S: Ditto.
5588 * config/xtensa/ieee754-sf.S: Ditto.
5590 2006-01-14 Ian Lance Taylor <ian@airs.com>
5592 * ifcvt.c (noce_init_if_info): New static function, broken out of
5593 noce_process_if_block.
5594 (noce_process_if_block): Call noce_init_if_info.
5595 (check_cond_move_block): New static function.
5596 (cond_move_process_if_block): New static function.
5597 (process_if_block): Call cond_move_process_if_block.
5599 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
5601 * cselib.c (hash_table): Rename to cselib_hash_table.
5602 (cselib_clear_table, discard_useless_values,
5603 remove_useless_values, cselib_lookup_mem, cselib_lookup,
5604 cselib_init, cselib_finish): Adjust uses of hash_table.
5606 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
5608 PR tree-optimization/25485
5609 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
5610 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
5611 is known to be false and true, respectively.
5613 2006-01-14 Richard Guenther <rguenther@suse.de>
5615 PR tree-optimization/22548
5616 PR tree-optimization/22555
5617 PR tree-optimization/22501
5618 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
5619 * params.def (salias-max-array-elements): New parameter.
5620 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
5621 * doc/invoke.texi (salias-max-array-elements): Document.
5622 * tree-flow-inline.h (var_can_have_subvars): We also handle
5624 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
5626 * tree-ssa-structalias.c (params.h): Include.
5627 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
5628 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
5629 (get_constraint_for): For ADDR_EXPR operating on something
5630 containing an ARRAY_REF, add all subvars to the solution.
5631 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
5632 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
5633 for creating MUST_DEFs.
5634 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
5636 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
5638 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
5640 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
5641 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5642 number_of_iterations_le): New functions.
5643 (number_of_iterations_special): Removed.
5644 (number_of_iterations_exit): Do not use number_of_iterations_special.
5645 * tree.c (unsigned_type_for): Always return integer type.
5647 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
5648 Richard Guenther <rguenther@suse.de>
5650 PR rtl-optimization/24257
5651 * gcse.c (find_moveable_store): Only consider a store movable
5652 when the SET_SRC of the insn can be assigned to a register.
5654 2006-01-14 Ian Lance Taylor <ian@airs.com>
5656 * tree.c (tree_not_class_check_failed): New function.
5657 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
5658 (tree_not_class_check_failed): Declare.
5660 2006-01-13 Ian Lance Taylor <ian@airs.com>
5662 * reload1.c (do_output_reload): Add assertion rejecting a
5665 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
5667 * combine.c (struct reg_stat): Add new fields truncation_label and
5669 (record_value_for_reg): Reset truncated_to_mode.
5670 (record_truncated_value): New function.
5671 (check_promoted_subreg): Call it. Rename to check_conversions.
5672 (combine_instructions): Rename check_promoted_subreg to
5674 (reg_truncated_to_mode): New function.
5675 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
5676 (gen_lowpart_or_truncate): New function.
5677 (force_to_mode): Use it instead of gen_lowpart.
5679 2006-01-13 Diego Novillo <dnovillo@redhat.com>
5681 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
5682 VAR is a tag, not its type tag.
5684 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
5686 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
5687 alternatives to match style of other entries.
5688 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
5690 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
5692 PR tree-optimization/25771
5693 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
5696 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
5699 * tree-inline.c (declare_return_variable): If the return variable
5700 was marked as a non gimple complex, set the return slot variable
5701 to be a non gimple comple variable.
5703 2006-01-13 Richard Guenther <rguenther@suse.de>
5705 * builtins.c (expand_builtin_sincos): New function.
5706 (expand_builtin_mathfn_3): Remove dead code, sin and cos
5708 (expand_builtin): Expand sincos using expand_builtin_sincos.
5710 2006-01-12 DJ Delorie <dj@redhat.com>
5712 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
5713 shift counts, separate SI shifts for m32c vs m16c, pass shift type
5714 so that constant shifts can be split.
5715 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
5716 (m32c_valid_pointer_mode): Make static.
5717 (shift_gen_func_for): New.
5718 (m32c_prepare_shift): Use it. Split large const shifts into
5720 * config/m32c/predicates.md (shiftcount_operand): Allow more
5722 (longshiftcount_operand): New.
5723 * doc/md.texi (Machine Constraints): Document In6.
5725 2006-01-13 Ben Elliston <bje@au.ibm.com>
5727 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
5728 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
5731 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
5733 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
5734 to try to avoid clobbering pieces of structures when we know
5735 something about the whole structure.
5736 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
5738 2006-01-13 Ben Elliston <bje@au.ibm.com>
5740 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
5741 return in memory, as this is no limitation is no longer present.
5743 2006-01-12 DJ Delorie <dj@redhat.com>
5745 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
5746 mova with fb, and for fb+0 -> An.
5748 * config/m32c/mov.md (peephole2): Fix enabling logic.
5750 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
5751 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
5752 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
5753 FINI_ARRAY_SECTION_ASM_OP): Define.
5755 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
5757 (m32c_legitimize_reload_address): New logic to reload FB to An.
5758 (m32c_output_reg_push): Add newline.
5759 (m32c_output_reg_pop): Likewise.
5761 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
5763 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
5765 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
5767 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
5769 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5771 * config/sh/predicates.md (sh_rep_vec): Add parallel to
5774 2006-01-11 Ben Elliston <bje@au.ibm.com>
5776 * rtlanal.c (find_reg_note): Assert insn is not null.
5778 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
5780 * df-scan.c (df_hard_reg_init): Move declaration of i outside
5783 2006-01-11 Jeff Law <law@redhat.com>
5785 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
5787 (mark_threaded_blocks, register_jump_thread): New functions.
5788 (thread_through_all_blocks): Remove unwanted argument. No
5789 longer rely on e->aux to communicate thread target info.
5790 Call mark_threaded_blocks. Release the threaded_blocks
5791 bitmap and threaded_edges vector when complete.
5792 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
5793 (threaded_blocks): Remove.
5794 (tree_ssa_dominator_optimize): Remove initialization and
5795 finalization of threaded_blocks. Simplify call to
5796 thread_through_all_blocks.
5797 (thread_across_edge): Call register_jump_thread rather than
5798 storing thread information into e->aux.
5799 (free_all_edge_infos): Simplify now that e->aux is no longer
5800 used to communicate with thread_through_all_blocks.
5801 * tree-flow.h (thread_through_all_blocks): Update prototype.
5802 (register_jump_thread): Prototype.
5804 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5806 * df-core.c (df_compact_blocks, df_bb_replace): Use
5807 SET_BASIC_BLOCK instead of BASIC_BLOCK.
5809 2006-01-11 Richard Guenther <rguenther@suse.de>
5811 PR tree-optimization/25734
5812 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
5813 stop propagation after successful propagation to the LHS.
5815 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5817 * basic-block.h (control_flow_graph): Change the type of
5818 x_basic_block_info to VEC(basic_block,gc) *.
5819 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
5821 (SET_BASIC_BLOCK): New.
5822 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
5823 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
5824 * cfgbuild.c (find_basic_blocks): Likewise.
5825 * cfglayout.c (fixup_reorder_chain): Likewise.
5826 * cfgrtl.c (create_basic_block_structure,
5827 rtl_create_basic_block): Likewise.
5828 * ifcvt.c (find_if_case_1): Likewise.
5829 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
5832 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
5834 * Makefile.in: Removed rotted odf.c entry.
5836 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
5839 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
5840 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
5841 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
5842 output pattern modifier, not %e.
5843 * config/cris/cris.c (cris_op_str): Update comment about pattern
5845 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
5846 before falling through into...
5847 <case 'E'>: Redefined from old 'e' case.
5849 2006-01-11 Jan Hubicka <jh@suse.cz>
5852 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
5854 2006-01-11 Jan Hubicka <jh@suse.cz>
5856 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
5857 * i386.c (x86_decompose_lea): Kill.
5858 (ix86_rtx_costs): Kill.
5860 2006-01-11 Jan Hubicka <jh@suse.cz>
5862 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
5863 * cgraph.h (cgraph_node): Add inline_decl.
5864 (cgraph_insert_node_to_hashtable): Declare.
5865 (save_inline_function_body): Declare.
5866 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
5868 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
5869 (cgraph_function_versioning): Update call of tree_function_versioning.
5870 (save_inline_function_body): New function.
5871 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
5872 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
5873 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
5874 (cgraph_default_inline_p): Likewise.
5875 (cgraph_decide_inlining_incrementally): Likewise.
5876 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
5877 (copy_bb): Kill saving; do updating of clones.
5878 (copy_cfg_body): Kill saving.
5879 (initialize_inlined-parameters): Likewise.
5880 (expand_call_inline): Likewise.
5882 (tree_function_versioning): New parameter "update_clones".
5883 (inlining_p): Kill saving.
5884 * tree-inline.h (tree_function_versioning): Update prototype.
5885 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
5888 2006-01-11 Ian Lance Taylor <ian@airs.com>
5890 * combine.c (struct undo): Remove is_int. Enumify types of undos.
5891 Allow undoing set of machine mode.
5892 (do_SUBST): Use enums instead of is_int.
5893 (do_SUBST_MODE): New function.
5894 (SUBST_MODE): New macro.
5895 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
5896 reg and trying to replace reg_regno_rtx with a new register.
5897 (undo_all): Use new enums, handle undoing a PUT_MODE change.
5898 (simplify_set): Use SUBST_MODE.
5899 (distribute_notes): Remove code that tried to update reg notes
5900 for regno_reg_rtx changes.
5902 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
5904 PR tree-optimization/23109
5905 PR tree-optimization/23948
5906 PR tree-optimization/24123
5908 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
5909 * tree-cfg.c (single_noncomplex_succ): New.
5910 * tree-flow.h (single_noncomplex_succ): Declare it.
5911 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
5912 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
5913 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
5914 insert_bb, register_division_in, insert_reciprocals,
5915 replace_reciprocal, free_bb): New.
5916 (execute_cse_reciprocals_1): Rewritten.
5917 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
5918 Do not commit any edge insertion. Always compute dominators and
5919 create the allocation pool.
5920 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
5921 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
5922 * targhooks.c (default_min_divistions_for_recip_mul): New.
5923 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
5924 * passes.c (init_optimization_passes): Run recip after tree loop
5926 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
5928 2006-01-11 Danny Berlin <dberlin@dberlin.org>
5929 Kenneth Zadeck <zadeck@naturalbridge.com>
5931 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
5932 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
5933 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
5934 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
5935 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
5936 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
5937 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
5938 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
5939 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
5940 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
5941 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
5942 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
5943 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
5944 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
5945 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
5946 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
5947 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
5948 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
5949 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
5950 DF_SCAN_POST_ALLOC): New macros.
5951 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
5952 df_free_bb_function, df_local_compute_function, df_init_function,
5953 df_dataflow_function, df_confluence_function_0,
5954 df_confluence_function_n, df_transfer_function,
5955 df_finalizer_function, df_free_function, df_dump_problem_function,
5956 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
5957 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
5958 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
5959 df_urec_bb_info, ) New types.
5960 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
5962 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
5963 df_analyze_simple_change_some_blocks,
5964 df_analyze_simple_change_one_block, df_compact_blocks,
5965 df_bb_replace, df_bb_regno_last_use_find,
5966 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
5967 df_insn_regno_def_p, df_find_def, df_find_use,
5968 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
5969 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
5970 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
5971 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
5972 debug_df_chain, df_get_dependent_problem, df_chain_create,
5973 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
5974 df_grow_bb_info, df_chain_dump, df_print_bb_index,
5975 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
5976 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
5977 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
5978 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
5979 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
5980 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
5981 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
5982 df_ref_remove, df_insn_refs_delete, df_refs_delete,
5983 df_reorganize_refs, df_set_state, df_hard_reg_init,
5984 df_read_modify_subreg_p) New public functions.
5985 * df-core.c: The core dataflow solver and glue routines for rtl
5987 (df_init, df_add_problem, df_set_blocks, df_finish,
5988 df_hybrid_search_forward, df_hybrid_search_backward,
5989 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
5990 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
5991 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
5992 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
5993 df_reg_defined, df_find_use, df_reg_used, df_dump,
5994 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
5995 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
5996 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
5997 debug_df_useno, reset_df_after_reload): New functions.
5998 * df-scan.c: The scanning fuctions, once in df.c, completely
5999 rewritten so that they now fully model the functionality of
6000 register usage at the backend.
6001 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
6002 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
6003 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
6004 df_grow_insn_info, df_rescan_blocks, df_ref_create,
6005 df_get_artificial_defs, df_get_artificial_uses,
6006 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
6007 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
6008 df_refs_delete, df_reorganize_refs, df_set_state,
6009 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
6010 df_def_record_1, df_defs_record, df_uses_record,
6011 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
6012 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
6013 df_record_exit_block_uses, df_hard_reg_init): New functions.
6015 * df-problems.c: Seven concrete dataflow problems that use the
6016 scanning in df-scan.c and are solved by the engine in df-core.c.
6017 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
6018 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
6019 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
6020 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
6021 df_ru_free_bb_info, df_ru_alloc,
6022 df_ru_bb_local_compute_process_def,
6023 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
6024 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
6025 df_ru_transfer_function, df_ru_free, df_ru_dump,
6026 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
6027 df_rd_free_bb_info, df_rd_alloc,
6028 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
6029 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
6030 df_rd_transfer_function, df_rd_free, df_rd_dump,
6031 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
6032 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
6033 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
6034 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
6035 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
6036 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
6037 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
6038 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
6039 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
6040 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
6041 df_urec_mark_reg_change, df_urec_check_earlyclobber,
6042 df_urec_mark_reg_use_for_earlyclobber,
6043 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
6044 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
6045 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
6046 df_urec_dump, df_urec_add_problem, df_chain_alloc,
6047 df_chain_create_bb_process_use, df_chain_create_bb,
6048 df_chain_finalize, df_chain_free, df_chains_dump,
6049 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
6050 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
6051 df_reg_lifetime): New functions.
6052 * df.c: Deleted file.
6053 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
6054 consistent with new df api.
6055 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
6056 rest_of_handle_sms): Ditto.
6057 * web.c (unionfind_union, union_defs, entry_register, web_main):
6059 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
6060 invariant_expr_equal_p, find_defs, check_dependencies,
6061 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
6062 free_inv_motion_data, move_loop_invariants): Ditto.
6063 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
6064 Update dependencies.
6065 (odf.c): Added defective entry that was deleted later in day.
6066 * sched-deps.c (sched_analyze_1): Ditto.
6068 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
6070 * tree-ssa-operands.c (get_expr_operands): Record addressable
6071 variables directly. Do not call add_stmt_operands for CONST_DECLs
6073 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
6074 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
6076 2006-01-11 Ben Elliston <bje@au.ibm.com>
6078 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
6079 function returns true in the positive case.
6081 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6084 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
6085 for SI, DI, SF and DF modes. Add alternatives to copy between
6086 general and floating point registers to the 32-bit patterns.
6087 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
6088 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
6089 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
6090 generating 64-bit code.
6091 * config/pa/pa.c (output_move_double): Handle copies between general
6092 and floating registers.
6094 2006-01-10 Stuart Hastings <stuart@apple.com>
6096 * config/i386/i386.md (set_got): Update.
6097 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
6098 (builtin_setjmp_receiver): Mach-O support.
6099 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
6100 (GOT_SYMBOL_NAME): Define.
6101 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
6102 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
6103 * config/i386/i386.c (override_options): Revise for Darwin.
6104 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
6105 support. (darwin_x86_file_end): New. (output_set_got): Add label
6106 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
6107 * config/i386/i386-protos.h (output_set_got): Likewise.
6108 * config/darwin.c (machopic_legitimize_pic_address): Update
6111 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
6113 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
6114 when MODE isn't BLKmode.
6116 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6118 PR rtl-optimization/25367
6119 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
6121 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
6124 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
6125 for a negative bound.
6127 2006-01-10 Richard Guenther <rguenther@suse.de>
6129 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6130 Never override with anything constraint.
6132 2006-01-10 Jan Beulich <jbeulich@novell.com>
6134 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
6135 256 bits when optimize_size.
6137 2006-01-10 Jan Beulich <jbeulich@novell.com>
6139 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
6141 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
6142 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
6145 2006-01-10 Ben Elliston <bje@au.ibm.com>
6147 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
6149 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
6150 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
6151 (USE_FP_FOR_ARG): Reject decimal float modes.
6152 (function_arg_advance): Likewise.
6153 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
6154 (rs6000_handle_altivec_attribute): Do not permit decimal floating
6155 point types in AltiVec vectors.
6156 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
6157 (rs6000_libcall_value): Likewise.
6159 2006-01-09 Bob Wilson <bob.wilson@acm.org>
6161 * config/xtensa/ieee754-df.S: New file.
6162 * config/xtensa/ieee754-sf.S: New file.
6163 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
6164 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
6165 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
6167 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
6169 * config/sh/predicates.md (binary_float_operator,
6170 binary_logical_operator, commutative_float_operator,
6171 equality_comparison_operator, greater_comparison_operator,
6172 less_comparison_operator, logical_operator,
6173 noncommutative_float_operator, shift_operator,
6174 symbol_ref_operand, unary_float_operator): Remove redundant
6177 2006-01-09 Jeff Law <law@redhat.com>
6179 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
6180 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
6181 now unused arguments. Callers updated.
6182 (eliminate_redundant_computations): Remove now unused arguments,
6184 (local_fold): Remove, no longer used.
6185 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
6187 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
6188 (simplify_cond): New function.
6189 (forward_propagate_into_cond): Call simplify_cond.
6191 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
6193 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
6194 (*vec_extractv2di_1_sse): New.
6196 2006-01-09 Ben Elliston <bje@au.ibm.com>
6198 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
6200 2006-01-08 Richard Guenther <rguenther@suse.de>
6202 * tree-ssa-structalias.c (get_constraint_for): Remove
6204 (get_constraint_for_component_ref): Likewise.
6205 (do_deref): Likewise.
6206 (get_constraint_for): Likewise.
6207 (do_structure_copy): Likewise.
6208 (handle_ptr_arith): Likewise.
6209 (find_func_aliases): Likewise. Remove unused need_anyoffset
6212 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
6213 Kaz Kojima <kkojima@gcc.gnu.org>
6215 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
6216 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
6217 (EXTRA_CONSTRAINT_C16): Remove.
6218 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
6219 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
6220 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
6221 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
6222 constants of SHmedia. Handle nested constant expressions of
6224 (andcosts): Fix the costs for SHmedia constants.
6225 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
6226 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
6227 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
6228 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
6229 (movv4hi_i, movv2si_i): Likewise.
6230 (movsi_const): Adjust the second operand of ior so to match with
6232 (movdi_const, movdi_const_32bit): Likewise.
6233 (movdi_const_16bit+1): Don't sign-extend LOW.
6234 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
6236 (*double_shori): Fix the split condition. Use GEN_INT instead
6237 of get_int_mode calls. Mask lower 16-bit of the argument of
6239 (sym2GOTPLT): Remove.
6240 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
6242 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
6243 instead of EXTRA_CONSTRAINT_C16.
6245 2006-01-07 Ian Lance Taylor <ian@airs.com>
6246 David Edelsohn <edelsohn@gnu.org>
6248 PR rtl-optimization/25662
6249 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
6250 for constant operands instead of simplify_gen_binary.
6251 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
6252 after trying simplify_binary_operation
6254 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
6256 * tree.c (iterative_hash_expr): Hash decls based on UID.
6258 2006-01-06 Eric Christopher <echristo@apple.com>
6260 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
6261 (TARGET_UNWIND_EMIT): Fix spelling.
6262 * target.h (gcc_target): Add except_table_label.
6263 * except.c (output_function_exception_table): Use.
6264 * varasm.c (default_emit_except_table_label): New.
6265 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
6267 (asm_out): Add here.
6268 * output.h (default_emit_except_table_label): Prototype.
6269 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
6270 * config/darwin.c (darwin_emit_except_table_label): Define.
6271 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
6273 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
6275 PR tree-optimization/18527
6276 * tree-ssa-loop-niter.c (number_of_iterations_cond,
6277 number_of_iterations_special, number_of_iterations_exit):
6278 Move base and step of an iv to a single structure. Add
6279 no_overflow flag, and use it in # of iterations analysis.
6280 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
6281 folded_casts argument.
6282 (simple_iv): Pass base and step in a structure. Set no_overflow
6284 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
6285 Evaluate expensiveness of computing # of iterations instead of
6286 the final expression.
6287 * tree-scalar-evolution.h (affine_iv): New structure.
6288 (simple_iv): Declaration changed.
6289 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
6290 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
6291 find_givs_in_stmt): Changed due to simple_iv change.
6293 2006-01-06 Jeff Law <law@redhat.com>
6296 * tree-cfg.c (bsi_replace): Rename final argument from
6297 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
6298 change (stmt -> orig_stmt).
6299 * tree-eh.c (verify_eh_throw_stmt_node): New function.
6300 (bsi_remove): Add new argument. Remove EH information
6302 (verify_eh_throw_table_statements): New function.
6303 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
6305 * tree-optimize.c (execute_free_cfg_annotations): Verify
6306 the EH throw statement table after removing annotations.
6307 * except.h (verify_eh_throw_table_statements): Prototype.
6308 * tree-flow.h (bsi_remove): Update prototype.
6309 * tree-vrp.c (remove_range_assertions): Add new argument to
6311 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
6312 * tree-complex.c (expand_complex_div_wide): Likewise.
6313 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
6314 * tree-tailcall.c (eliminate_tailcall): Likewise.
6315 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
6316 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
6317 * tree-nrv.c (tree_nrv): Likewise.
6318 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
6319 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
6320 (combine_blocks): Likewise.
6321 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
6322 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
6323 (cleanup_control_flow): Likewise.
6324 (remove_forwarder_block): Likewise.
6325 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
6326 * tree-sra.c (sra_replace): Likewise.
6327 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
6328 (forward_propagate_single_use_vars): Likewise.
6329 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
6330 * tree-inline.c (expand_call_inline): Likewise.
6331 * tree-vect-transform.c (vect_transform_loop): Likewise.
6332 * tree-outof-ssa.c (rewrite_trees): Likewise.
6333 * tree-cfg.c (make_goto_expr_edges): Likewise.
6334 (cleanup_dead_labels): Likewise.
6335 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
6336 (bsi_move_before, bsi_move_after): Likewise.
6337 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
6338 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
6340 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
6343 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
6345 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
6346 on non gimple variables. Also add checks at the top for decls and
6348 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
6350 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
6351 and IMAGPART_EXPR for creating MUST_DEFs.
6352 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
6353 and NAME_MEMORY_TAG separately from the DECLs.
6355 2006-01-06 Richard Guenther <rguenther@suse.de>
6357 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
6358 annotation, if necessary.
6359 * tree-ssa-pre.c (create_expression_by_pieces): Remove
6360 redundant calls to update_stmt.
6361 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
6364 2006-01-05 Richard Henderson <rth@redhat.com>
6366 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
6368 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6370 * c-typeck.c: Update copyright date.
6372 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6374 * c-typeck.c (build_c_cast): Always warn when casting
6375 from a pointer to an integer of different size, even if
6376 the node was constant.
6378 2006-01-05 Richard Guenther <rguenther@suse.de>
6380 PR tree-optimization/22555
6381 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
6382 if one structure field is an array.
6383 * tree-ssa-operands.c (get_expr_operands): Continue scanning
6384 operands even if we found a subvar, but ignore VOPs in this
6386 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
6388 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
6390 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
6393 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
6395 2006-01-05 Richard Guenther <rguenther@suse.de>
6396 Diego Novillo <dnovillo@redhat.com>
6398 * tree-pass.h (TODO_remove_unused_locals): Define.
6399 * gimple-low.c (expand_var_p, remove_useless_vars,
6400 pass_remove_useless_vars): Remove. Update all users.
6401 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
6402 (remove_unused_locals): New function.
6403 * tree-flow.h (remove_unused_locals): Declare.
6404 * passes.c (execute_todo): Call remove_unused_locals if
6405 TODO_remove_unused_locals is set.
6406 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
6407 * tree-ssa-dce.c (pass_dce): Likewise.
6408 * tree-outof-ssa.c (pass_del_ssa): Likewise.
6410 2006-01-05 Richard Guenther <rguenther@suse.de>
6412 * tree-flow.h (struct fieldoff): Decompose field to
6413 type, size and decl.
6414 * tree-ssa-alias.c (create_sft): Take type as parameter.
6415 (create_overlap_variables_for): Store type, size and decl
6416 in the fieldoff structure.
6417 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
6419 (push_fields_onto_fieldstack): Likewise.
6420 (create_variable_info_for): Likewise. Use offset for the
6421 SFT name if the decl is not available.
6423 2006-01-04 Paul Brook <paul@codesourcery.com>
6425 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
6427 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
6429 * lambda-code.c (can_put_in_inner_loop): Relax
6431 (can_put_after_inner_loop): New function.
6432 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
6433 (perfect_nestify): Change to make copies and modify uses.
6435 2006-01-04 Richard Henderson <rth@redhat.com>
6437 Merge from gomp branch:
6438 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
6439 via integer constant.
6440 (pragma_lex): Remove.
6441 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
6442 rather than parsing it.
6443 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
6444 handle_pragma_extern_prefix): Add %< %> quotes.
6445 (registered_pragmas): New.
6446 (c_register_pragma_1): New.
6447 (c_register_pragma): Use it.
6448 (c_register_pragma_with_expansion): Likewise.
6449 (c_invoke_pragma_handler): New.
6450 (init_pragma): Use cpp_register_deferred_pragma directly for
6452 * c-pragma.h (enum pragma_kind): New.
6453 (pragma_handler): New.
6454 (c_invoke_pragma_handler): Declare.
6455 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
6457 * c-common.h (c_common_pch_pragma): Update decl.
6458 * Makefile.in (c-parser.o): Update dependencies.
6459 (GTFILES): Add c-pragma.h.
6460 * c-parser.c (struct c_token): Add pragma_kind.
6461 (struct c_parser): Add in_pragma.
6462 (c_lex_one_token): Always initialize keyword and pragma_kind.
6463 Extract data for CPP_PRAGMA.
6464 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
6465 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
6466 Don't allow CPP_PRAGMA_EOL if in_pragma.
6467 (c_parser_consume_pragma): New.
6468 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
6469 (c_parser_skip_to_end_of_parameter): Likewise.
6470 (c_parser_skip_to_end_of_block_or_statement): Likewise.
6471 (c_parser_skip_to_pragma_eol): New.
6472 (c_parser_external_declaration): Handle CPP_PRAGMA.
6473 (c_parser_compound_statement_nostart): Likewise.
6474 (c_parser_statement_after_labels): Likewise.
6475 (c_parser_pragma): New.
6476 (pragma_lex): Likewise.
6477 (c_parser_pragma_pch_preprocess): New.
6478 (c_parser_new): Merge into ...
6479 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
6481 2006-01-04 Jeff Law <law@redhat.com>
6484 * tree-cfg.c (bsi_replace): Remove the original statement
6485 from the EH throw statement table.
6487 2006-01-04 Jakub Jelinek <jakub@redhat.com>
6489 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
6490 make the prototype extern "C" and add throw ().
6493 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
6494 and pos non-negative and pos + len <= 32.
6495 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
6496 drop pos + len < HOST_BITS_PER_WIDE_INT test.
6497 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
6500 * c-common.c (handle_vector_size_attribute): Reject zero vector size
6501 as well as sizes not multiple of component size.
6504 * function.c (instantiate_expr): New function.
6505 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
6506 walk its DECL_VALUE_EXPR with instantiate_expr.
6508 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
6509 DW_OP_deref{,_size} if address isn't going to be added.
6511 2006-01-04 Ben Elliston <bje@au.ibm.com>
6513 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
6514 * config/fp-bit.c: Likewise.
6516 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
6518 * dominance.c: Add comment about why we use DFS numbering
6521 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6522 Richard Henderson <rth@redhat.com>
6524 Merge from gomp-branch:
6525 * varasm.c (assemble_variable): Handle thread-local COMMON data.
6526 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
6528 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
6530 PR rtl-optimization/25578
6531 * combine.c (combine_simplify_rtx, force_to_mode): Don't
6532 pass a parameter to simplify_shift_const if changing ASHIFTRT
6535 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
6537 * builtins.c (get_builtin_sync_mem): New function.
6538 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
6539 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
6540 Call get_builtin_sync_mem to generate mem rtx.
6542 2006-01-03 Richard Guenther <rguenther@suse.de>
6545 * stmt.c (add_case_node): Make sure to clear overflow flags
6548 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6550 Merge from gomp-branch.
6551 * config/sparc/sync.md: New file.
6552 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
6553 UNSPECV_LDSTUB): New constants.
6554 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
6555 * config/sparc/predicates.md (memory_reg_operand): New predicate.
6556 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
6559 2006-01-03 Roger Sayle <roger@eyesopen.com>
6561 * combine.c (reg_subword_p): New predicate to test whether the
6562 destination of a set refers to a subword/piece of a register.
6563 (try_combine): Generalize the code to merge the setting of a
6564 pseudo to a constant followed by a set of a subword of that
6565 register to a constant.
6567 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
6569 * basic-block.h (control_flow_graph): Change the type of
6570 x_label_to_block_map to VEC(basic_block,gc) *.
6571 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
6572 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
6574 * tree-ssa-propagate.c (cfg_blocks): Change the type to
6575 VEC(basic_block,heap) *.
6576 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
6577 ssa_prop_fini): Adjust the uses of cfg_blocks.
6579 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
6581 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
6583 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
6584 hashing trees instead of a pointer hash.
6585 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
6586 compare for MEM_EXPR.
6588 PR rtl-optimization/25130
6589 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
6590 when comparing MEMs for GCSE
6592 2006-01-03 Ben Elliston <bje@au.ibm.com>
6594 * targhooks.h (default_decimal_float_supported_p): Declare.
6595 * targhooks.c (default_decimal_float_supported_p): Define.
6596 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
6597 `default_decimal_float_supported_p'.
6598 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
6600 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
6602 * combine.c (apply_distributive_law <SUBREG>): Check
6603 TRULY_NOOP_TRUNCATION.
6605 2006-01-02 Geoffrey Keating <geoffk@apple.com>
6607 * dwarf2out.c (have_switched_text_section): Delete.
6608 (have_multiple_function_sections): New.
6609 (have_location_lists): Make 'bool'.
6610 (add_AT_loc_list): Use 'true' not '1'.
6611 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
6612 (output_loc_list): Use have_multiple_function_sections.
6613 (output_ranges): Likewise.
6614 (dwarf2out_begin_function): Set have_multiple_function_sections if
6616 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
6617 Check function_section rather than DECL_SECTION_NAME.
6618 (dwarf2out_finish): Use have_multiple_function_sections.
6619 Don't clear have_location_lists.
6621 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
6622 Jan Hubicka <jh@suse.cz>
6624 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
6625 case of conditional jump jumping to the next instruction.
6626 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
6627 cases of conditional jump jumping to the next instruction.
6629 2006-01-02 Jan Hubicka <jh@suse.cz>
6631 * i386.c (*_cost): Add COSTS_N_INSNS.
6632 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
6634 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
6637 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
6639 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6641 * config/arm/arm.c (all_fpus): Fix comment typo.
6642 * config/darwin.c: Likewise.
6643 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
6644 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
6645 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
6647 2006-01-01 David Edelsohn <edelsohn@gnu.org>
6649 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
6650 (rs6000_split_compare_and_swapqhi): New.
6651 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
6652 (sync_compare_and_swapqhi_internal): New.
6653 * config/rs6000/rs6000-protos.h: Declare.
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