1 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
3 * tree-ssa-opfinalize.h: Removed.
4 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
7 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
9 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
11 finalize_ssa_v_must_def_ops): New.
13 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
15 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
18 2006-03-07 Geoffrey Keating <geoffk@apple.com>
20 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
22 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
23 addresses with offsets; reorganize.
25 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
26 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
27 (expand_builtin_init_dwarf_reg_sizes): Likewise.
29 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
32 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
34 2006-03-08 Ben Elliston <bje@au.ibm.com>
36 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
38 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
41 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
44 2006-03-07 Richard Guenther <rguenther@suse.de>
46 PR tree-optimization/26587
47 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
49 2006-03-07 Richard Sandiford <richard@codesourcery.com>
51 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
53 2006-03-07 Richard Sandiford <richard@codesourcery.com>
55 * hooks.c (hook_bool_mode_rtx_true): New function.
56 * hooks.h (hook_bool_mode_rtx_true): Declare.
57 * toplev.c (compile_file): Call output_shared_constant_pool.
58 * varasm.c (shared_constant_pool): New variable.
59 (assemble_start_function, assemble_end_function): Remove arguments
60 from call to output_constant_pool.
61 (create_constant_pool): New function, split out from...
62 (init_varasm_status): ...here.
63 (force_const_mem): Choose between the shared and per-function constant
64 pools. Set current_function_uses_const_pool when reusing old entries
65 as well as when creating new ones.
66 (mark_constant): Ignore data argument.
67 (mark_constants): Remove pool argument.
68 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
69 to decide whether the function uses a constant pool.
70 (output_constant_pool_contents): New function, split out from...
71 (output_constant_pool): ...here.
72 (output_shared_constant_pool): New function.
73 (init_varasm_once): Initialize shared_constant_pool.
74 * output.h (output_constant_pool): Delete.
75 (output_shared_constant_pool): Declare.
76 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
77 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
79 2006-03-06 Nick Clifton <nickc@redhat.com>
81 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
84 2006-03-06 Ben Elliston <bje@au.ibm.com>
86 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
87 x86_64-*-linux* configurations.
89 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
90 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
92 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
94 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
96 * basic-block.h: Remove the extern for
97 rediscover_loops_after_threading.
99 * cfgloop.c (cancel_loop): Make it static.
100 * cfgloop.h: Remove the prototype for cancel_loop.
102 * flow.c (recompute_reg_usage): Make it static.
103 * rtl.h: Remove the prototype for recompute_reg_usage.
105 * function.c (use_return_register): Make it static.
106 * function.h: Remove the prototype.
108 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
110 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
112 * recog.h: Remove the prototype for
113 validate_change_maybe_volatile.
115 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
117 * rtlanal.c (replace_reg): Remove.
118 * rtl.h: Remove the prototype for replace_reg.
120 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
122 * regclass.c (reg_scan_update): Remove.
123 (reg_scan_mark_refs): Remove the last argument.
124 * rtl.h: Remove the prototype for reg_scan_update.
126 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
128 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
129 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
130 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
131 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
132 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
133 loop-invariant.c, omp-low.c, opts.c, passes.c,
134 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
135 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
136 tree-ssa-structalias.c, tree-ssa-threadedge.c,
137 tree-ssa-threadupdate.c, tree-vect-patterns.c,
138 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
139 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
141 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
143 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
144 * dwarf2out.h: Remove the prototype for
145 dwarf2out_add_library_unit_info.
147 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
149 * tree.c (add_var_to_bind_expr): Remove.
150 * tree.h: Remove the prototype for add_var_to_bind_expr.
152 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
154 * regclass.c (n_non_fixed_regs): Remove.
155 (init_reg_sets_1, globalize_reg): Remove all uses of
157 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
159 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
161 * rtlanal.c (insns_safe_to_move_p): Remove.
162 * rtl.h: Remove the prototype for insns_safe_to_move_p.
164 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
166 * expmed.c (expand_mult_add): Remove.
167 * expr.h: Remove the prototype for expand_mult_add.
169 2006-03-04 Jakub Jelinek <jakub@redhat.com>
171 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
172 and REG_SAVED_VAL_EXP constants.
173 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
174 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
175 Handle regs stored by value.
176 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
177 (execute_cfa_program): Handle DW_CFA_val_offset,
178 DW_CFA_val_offset_sf and DW_CFA_val_expression.
179 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
180 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
181 (uw_install_context_1): Handle target regs stored by value.
183 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
185 * tree-sra.c (tree_sra): Return todoflags;
186 (generate_one_element): Set TODO_update_smt_usage if needed.
187 (pass_sra): Remove TODO_update_smt_usage.
188 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
190 (tree_ssa_forward_propagate_single_use_vars): Return
191 TODO_update_smt_usage if we need to update SMT usage.
192 (pass_forwprop): Remove TODO_update_smt_usage.
194 2006-03-03 Diego Novillo <dnovillo@redhat.com>
196 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
197 (correct_use_link): Remove reference to get_stmt_operands.
198 (update_stmt_operands): Likewise.
199 (get_modify_expr_operands): New function factored out of
200 parse_ssa_operands and get_expr_operands.
201 Try to create V_MUST_DEFs for LHS by default.
202 (get_expr_operands) <case MODIFY_EXPR>: Call
203 get_modify_expr_operands.
204 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
205 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
206 (parse_ssa_operands) <case MODIFY_EXPR>: Call
207 get_modify_expr_operands.
209 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
211 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
212 * tree-flow.h: Remove the prototype for
213 referenced_var_lookup_if_exists.
215 2006-03-03 Steve Ellcey <sje@cup.hp.com>
217 PR rtl-optimization/26345
219 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
221 2006-03-03 Roger Sayle <roger@eyesopen.com>
223 PR tree-optimization/26524
224 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
225 fold_convert to create a constant of the appropriate type.
227 2006-03-03 Richard Sandiford <richard@codesourcery.com>
229 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
230 SYMBOL_REF_IN_BLOCK_P.
231 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
232 of SYMBOL_FLAG_IN_BLOCK.
233 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
234 instead of SYMBOL_REF_IN_BLOCK_P.
235 * explow.c (use_anchored_address): Likewise.
236 * rtl.c (rtx_size): Likewise.
237 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
238 instead of SYMBOL_FLAG_IN_BLOCK.
239 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
240 SYMBOL_REF_IN_BLOCK_P.
241 (assemble_variable): Likewise.
242 (output_constant_def_contents): Likewise.
243 (output_constant_pool): Likewise.
244 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
245 instead of SYMBOL_FLAG_IN_BLOCK.
246 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
247 SYMBOL_REF_IN_BLOCK_P.
248 (SYMBOL_REF_BLOCK): Likewise.
249 (SYMBOL_REF_OFFSET): Likewise.
250 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
251 SYMBOL_REF_IN_BLOCK_P.
252 (SYMBOL_FLAG_IN_BLOCK): Replace with...
253 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
254 (SYMBOL_REF_IN_BLOCK_P): Replace with...
255 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
257 2006-03-03 Jakub Jelinek <jakub@redhat.com>
259 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
261 2006-03-02 Roger Sayle <roger@eyesopen.com>
263 * simplify-rtx.c (simplify_unary_operation): When simplifying
264 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
265 that we perform the right shift in the appropriate mode, and
266 then extend or truncate the result to requested mode.
268 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
270 * gengtype.c (main): Handle double_int type.
271 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
272 * double-int.c: New file.
273 * double-int.h: New file.
274 * system.h: Include doubleint.h.
275 * Makefile.in (SYSTEM_H): Include double-int.h.
278 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
281 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
284 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
286 * tree-vrp.c (remove_range_assertions): Do not update statements
289 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
291 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
293 * gcse.c (rest_of_handle_gcse): Ditto.
294 * except.c (gate_handle_eh): Ditto.
295 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
296 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
298 2006-03-02 Eric Christopher <echristo@apple.com>
300 * config/i386/i386.c (machopic_output_stub): Add indirection to
303 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
307 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
309 Sun Niagara specific optimizations.
310 * config.gcc: Recognize niagara as target.
311 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
312 (TARGET_CPU_niagara): Define.
313 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
314 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
315 (CPP_CPU_SPEC): Handle -mcpu=niagara.
316 (ASM_CPU_SPEC): Likewise.
317 (PROCESSOR_NIAGARA): New enum entry.
318 (REGISTER_MOVE_COST): Handle Niagara.
319 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
320 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
321 (sparc_override_options): Recognize "niagara", set appropriate
322 default MASK_* values for it, and align functions to 32-bytes
323 by default just like ULTRASPARC/ULTRASPARC3.
324 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
325 (sparc64_initialize_trampoline): Likewise.
326 (sparc_use_sched_lookahead): Use zero for niagara.
327 (sparc_issue_rate): Use one for niagara.
328 * config/sparc/niagara.md: New file.
329 * config/sparc/sparc.md: Include it.
330 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
331 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
332 when default cpu is niagara.
333 (CPP_CPU_SPEC): Handle -mcpu=niagara.
334 (ASM_CPU_SPEC): Likewise.
335 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
336 when default cpu is niagara.
337 (ASM_CPU_SPEC): Handle -mcpu=niagara.
338 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
339 just like v9/ultrasparc/ultrasparc3.
340 * doc/invoke.texi: Add documentation for "niagara" and improve
341 existing documentation for ultrasparc variants.
343 2006-03-02 Diego Novillo <dnovillo@redhat.com>
345 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
347 2006-03-02 Richard Sandiford <richard@codesourcery.com>
349 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
350 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
351 and say that only one is needed.
352 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
353 * target.h (have_switchable_bss_sections): New hook.
354 * explow.c (use_anchored_address): Check that the symbol is in a block.
355 * varasm.c (tls_comm_section, comm_section, lcomm_section)
356 (bss_noswitch_section): New variables.
357 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
358 (get_noswitch_section): New function.
359 (get_block_for_section): Allow SECT to be null.
360 (unlikely_text_section_p): Use SECTION_STYLE.
361 (bss_initializer_p): New function.
362 (get_variable_section): Move earlier in file. Take a new argument,
363 prefer_noswitch_p. Move bss checks from assemble_variable to here.
364 Return one of the new *_sections in such cases.
365 (get_block_for_decl): New function, extracting some logic from
366 use_blocks_for_decl_p.
367 (change_symbol_section): Remove in favor of...
368 (change_symbol_block): ...this new function.
369 (use_blocks_for_decl_p): Remove checks now performed by
371 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
372 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
373 (emit_local, emit_bss, emit_common): ...these new functions.
374 Return true if the alignment was honored.
375 (emit_tls_common): New function.
376 (asm_emit_uninitialised): Delete.
377 (assemble_variable_noswitch): New function, split out from...
378 (assemble_variable): ...here. Don't make decisions about common
379 variables here. Globalize all public decls that go into non-common
380 sections. Check whether SYMBOL_REF_BLOCK is null.
381 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
382 (output_constant_pool): Likewise.
383 (init_varasm_once): Initialize the new section variables.
384 (have_global_bss_p): New function.
385 (categorize_decl_for_section): Use bss_initializer_p.
386 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
387 (place_block_symbol): Assert that the symbol must be in a block.
388 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
389 (TARGET_INITIALIZER): Include it.
390 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
391 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
392 (SECTION_MACH_DEP): Bump by two.
393 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
394 (unnamed_section): Mention SECTION_UNNAMED in comment.
395 (named_section): Likewise SECTION_NAMED.
396 (noswitch_section_callback): New type.
397 (noswitch_section): New structure.
398 (section): Add a noswitch_section alternative.
399 (SECTION_STYLE): New macro.
400 (tls_comm_section, comm_section, lcomm_section): Declare.
401 (bss_noswitch_section, have_global_bss_p): Declare.
402 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
403 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
405 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
406 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
409 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
411 * gcc/tree-vrp.c (execute_vrp): Return value.
412 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
413 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
414 * gcc/tree-complex.c (tree_lower_complex): Ditto.
415 (tree_lower_complex_O0): Ditto.
416 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
417 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
418 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
419 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
420 (execute_tail_calls): Ditto.
421 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
422 * gcc/tree.h (init_function_for_compilation): Ditto.
423 * gcc/ipa-cp.c (ipcp_driver): Ditto.
424 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
425 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
426 * gcc/final.c (compute_alignments): Ditto.
427 (rest_of_handle_final): Ditto.
428 (rest_of_handle_shorten_branches): Ditto.
429 (rest_of_clean_state): Ditto.
430 * gcc/omp-low.c (execute_expand_omp): Ditto.
431 (execute_lower_omp): Ditto.
432 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
433 * gcc/ipa-reference.c (static_execute): Ditto.
434 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
435 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
436 (rest_of_handle_machine_reorg): Ditto.
437 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
438 * gcc/flow.c (recompute_reg_usage): Ditto.
439 (rest_of_handle_remove_death_notes): Ditto.
440 (rest_of_handle_life): Ditto.
441 (rest_of_handle_flow2): Ditto.
442 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
443 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
444 (do_ssa_store_ccp): Ditto.
445 (execute_fold_all_builtins): Ditto.
446 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
447 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
448 * gcc/ipa-pure-const.c (static_execute): Ditto.
449 * gcc/cse.c (rest_of_handle_cse): Ditto.
450 (rest_of_handle_cse2): Ditto.
451 * gcc/web.c (rest_of_handle_web): Ditto.
452 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
453 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
454 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
455 * gcc/tree-nrv.c (tree_nrv): Ditto.
456 (execute_return_slot_opt): Ditto.
457 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
458 (create_structure_vars): Ditto.
459 * gcc/loop-init.c (rtl_loop_init): Ditto.
460 (rtl_loop_done): Ditto.
461 (rtl_move_loop_invariants): Ditto.
462 (rtl_unswitch): Ditto.
463 (rtl_unroll_and_peel_loops): Ditto.
465 * gcc/gimple-low.c (lower_function_body): Ditto.
466 (mark_used_blocks): Ditto.
467 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
468 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
469 (cgraph_early_inlining): Ditto.
470 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
471 * gcc/jump.c (cleanup_barriers): Ditto.
472 (purge_line_number_notes): Ditto.
473 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
474 (rest_of_handle_if_after_reload): Ditto.
475 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
476 (tree_ssa_loop_im): Ditto.
477 (tree_ssa_loop_unswitch): Ditto.
478 (tree_vectorize): Ditto.
479 (tree_linear_transform): Ditto.
480 (tree_ssa_loop_ivcanon): Ditto.
481 (tree_ssa_empty_loop): Ditto.
482 (tree_ssa_loop_bounds): Ditto.
483 (tree_complete_unroll): Ditto.
484 (tree_ssa_loop_prefetch): Ditto.
485 (tree_ssa_loop_ivopts): Ditto.
486 (tree_ssa_loop_done): Ditto.
487 * gcc/predict.c (tree_estimate_probability): Ditto.
488 * gcc/recog.c (split_all_insns_noflow): Ditto.
489 (rest_of_handle_peephole2): Ditto.
490 (rest_of_handle_split_all_insns): Ditto.
491 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
492 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
493 (rest_of_handle_stack_adjustments): Ditto.
494 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
495 * gcc/function.c (instantiate_virtual_regs): Ditto.
496 (init_function_for_compilation): Ditto.
497 (rest_of_handle_check_leaf_regs): Ditto.
498 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
499 (rest_of_handle_gcse): Ditto.
500 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
501 * gcc/alias.c (rest_of_handle_cfg): Ditto.
502 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
503 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
504 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
505 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
506 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
507 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
508 * gcc/except.c (set_nothrow_function_flags): Ditto.
509 (convert_to_eh_region_ranges): Ditto.
510 (rest_of_handle_eh): Ditto.
511 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
512 (remove_unnecessary_notes): Ditto.
513 * gcc/except.h (set_nothrow_function_flags): Ditto.
514 (convert_to_eh_region_ranges): Ditto.
515 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
516 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
517 * gcc/tree-ssa-pre.c (do_pre): Ditto.
518 (execute_fre): Ditto.
519 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
520 (rest_of_handle_jump2): Ditto.
521 * gcc/tree-sra.c (tree_sra): Ditto.
522 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
523 (execute_mudflap_function_decls): Ditto.
524 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
525 (do_store_copy_prop): Ditto.
526 * gcc/ipa-prop.h (ipcp_driver): Ditto.
527 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
528 * gcc/tree-ssa-forwprop.c
529 (tree_ssa_forward_propagate_single_use_vars): Ditto.
530 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
531 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
532 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
533 (execute_late_warn_uninitialized): Ditto.
534 * gcc/rtl.h (cleanup_barriers): Ditto.
535 (split_all_insns_noflow): Ditto.
536 (purge_line_number_notes): Ditto.
537 (unshare_all_rtl): Ditto.
538 (remove_unnecessary_notes): Ditto.
539 (recompute_reg_usage): Ditto.
540 (variable_tracking_main): Ditto.
541 * gcc/integrate.c (emit_initial_value_sets): Ditto.
542 * gcc/integrate.h (emit_initial_value_sets): Ditto.
543 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
544 (execute_free_cfg_annotations): Ditto.
545 (execute_fixup_cfg): Ditto.
546 (execute_cleanup_cfg_pre_ipa): Ditto.
547 (execute_cleanup_cfg_post_optimizing): Ditto.
548 (execute_init_datastructures): Ditto.
549 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
550 * gcc/combine.c (rest_of_handle_combine): Ditto.
551 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
552 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
553 (rest_of_handle_reorder_blocks): Ditto.
554 (rest_of_handle_partition_blocks): Ditto.
555 * gcc/var-tracking.c (variable_tracking_main): Ditto.
556 * gcc/tree-profile.c (tree_profiling): Ditto.
557 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
558 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
559 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
560 (rest_of_handle_sched2): Ditto.
561 * gcc/basic-block.h (free_bb_insn): Ditto.
562 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
563 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
564 (remove_useless_stmts): Ditto.
565 (split_critical_edges): Ditto.
566 (execute_warn_function_return): Ditto.
567 (execute_warn_function_noreturn): Ditto.
568 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
569 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
570 * gcc/passes.c (execute_one_pass): Run additional
571 todos returned by execute function.
572 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
575 2006-03-02 Richard Guenther <rguenther@suse.de>
577 * tree-ssa-alias.c (find_used_portions): Consider taking
578 the address as making the variable not write-only.
580 2006-03-02 Nick Clifton <nickc@redhat.com>
582 * config.gcc (default_use_cxa_atexit): Extend the description of
583 this configure variable. Set its default value to "yes" for
584 Linux, NetBSD and ELF targets on the assumption that they will
585 use C libraries with the __cxa_atexit function.
587 2006-03-02 Ben Elliston <bje@au.ibm.com>
589 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
590 parameter as unused to suppress a build warning.
592 2006-03-02 Ben Elliston <bje@au.ibm.com>
594 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
597 2006-03-01 Roger Sayle <roger@eyesopen.com>
600 * gthr-posix.h (__gthrw2): Define to take three parameters, the
601 declared name, the weak reference name, and the typeof name.
602 (__gthrw): Avoid expanding the declared name suffix.
603 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
605 2006-03-01 Jakub Jelinek <jakub@redhat.com>
607 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
609 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
610 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
611 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
612 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
613 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
614 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
615 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
616 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
617 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
618 DW_DS_leading_separate, DW_DS_trailing_separate): New.
619 (DW_END_default, DW_END_big, DW_END_little): New.
620 (DW_END_lo_user, DW_END_hi_user): Define.
621 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
622 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
623 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
626 2006-03-01 Diego Novillo <dnovillo@redhat.com>
628 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
630 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
632 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
634 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
636 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
639 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
642 2006-03-01 Roger Sayle <roger@eyesopen.com>
644 * builtins.c (fold_builtin_copysign): Delete unreachable code.
646 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
649 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
650 MACHO_DYNAMIC_NO_PIC_P.
651 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
653 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
656 * config/darwin-protos.h (darwin_asm_output_anchor):
658 * config/darwin-sections.def (cstring_section):
659 Add SECTION_MERGE to the flags.
660 (literal4_section): Likewise.
661 (literal8_section): Likewise.
662 (objc_selector_refs_section): Likewise.
663 (objc_cls_refs_section): Likewise.
664 * config/darwin.c (darwin_asm_output_anchor): New
666 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
668 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
670 Fix PR tree-optimization/26443
671 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
672 to todo and PROP_tmt_usage to properties_destroyed.
673 * tree-ssa-ccp.c (pass_ccp): Ditto.
674 (pass_store_ccp): Ditto.
675 * tree-ssa-dom.c (pass_dominator): Ditto.
677 2006-03-01 Diego Novillo <dnovillo@redhat.com>
679 * tree-ssa-operands.c: Cleanup whitespace.
680 (get_asm_expr_operands): Move before first invocation.
681 (get_indirect_ref_operands): Likewise.
682 (get_tmr_operands): Likewise.
683 (get_call_expr_operands): Likewise.
684 (append_def): Likewise.
685 (append_use): Likewise.
686 (append_v_may_def): Likewise.
687 (append_v_must_def): Likewise.
688 (add_call_clobber_ops): Likewise.
689 (add_call_read_ops): Likewise.
690 (add_stmt_operand): Likewise.
691 (add_virtual_operand): Likewise.
692 (build_ssa_operands): Likewise.
694 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
699 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
700 with a call expr to ...
701 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
703 2006-03-01 Diego Novillo <dnovillo@redhat.com>
705 * tree-vrp.c (extract_range_from_assert): Remove special
706 handling for types with super-types.
708 2006-03-01 Ben Elliston <bje@au.ibm.com>
710 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
711 and powerpc64-*-linux* configurations.
712 * config/t-dfprules: New file.
714 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
715 Compile dfp-bit.c from the source directory using -DWIDTH and
716 $DFP_CFLAGS to control the compilation of that file, rather than
717 generating width-specific versions in the build directory.
718 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
719 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
721 2006-02-28 Zack Weinberg <zackw@panix.com>
723 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
726 2006-02-28 Eric Christopher <echristo@apple.com>
728 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
729 Set up IN_LIBGCC definition of TARGET_64BIT.
730 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
732 2006-02-28 Roger Sayle <roger@eyesopen.com>
735 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
736 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
737 cases via the construction of "expr != 0".
739 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
741 * alias.c (alias_invariant, alias_invariant_size): Remove.
742 (record_base_value): Remove.
743 (memrefs_conflict_p): Don't look at alias_invariant.
744 (end_alias_analysis): Don't free it.
745 * alias.h (record_base_value): Remove prototype.
747 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
748 Adam Nemet <anemet@caviumnetworks.com>
750 * rtl.h (truncated_to_mode): Declare it.
751 (struct rtl_hooks): Add reg_truncated_to_mode hook.
752 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
753 (RTL_HOOKS_INITIALIZER): Include it.
754 * rtlhooks.c (reg_truncated_to_mode_general): New function.
755 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
756 reg_truncated_to_mode.
757 * rtlanal.c (truncated_to_mode): Define it.
758 * simplify-rtx.c (simplify_unary_operation_1): Use it.
760 2006-02-28 Jeff Law <law@redhat.com>
762 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
763 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
764 the range allowed by TYPE_PRECISION.
766 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
768 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
770 PR tree-optimization/26419
771 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
774 2006-02-27 Zack Weinberg <zackw@panix.com>
776 * doc/md.texi: Fix typo in previous change.
778 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
782 2006-02-27 Zack Weinberg <zackw@panix.com>
784 * rtl.def (define_constraint, define_register_constraint)
785 (define_memory_constraint, define_address_constraint): New MD forms.
786 * gensupport.c (process_rtx): Put define_constraint etc on the
788 * genpreds.c (process_define_predicate): Adjust comment. Validate
789 the name, and call validate_exp to validate the expression.
790 (mark_mode_tests, write_extract_subexp): Can assume correct input.
791 (write_predicate_expr): Likewise. NAME argument no longer necessary;
793 (validate_exp, needs_variable, struct constraint_data)
794 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
795 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
796 (const_dbl_constraints, constraint_max_namelen)
797 (have_register_constraints, have_memory_constraints)
798 (have_address_constraints, have_address_constraints)
799 (have_extra_constraints, have_const_int_constraints)
800 (have_const_dbl_constraints, mangle, add_constraint)
801 (process_define_constraint, process_define_register_constraint)
802 (write_enum_constraint_num, write_lookup_constraint)
803 (write_insn_constraint_len, write_regclass_for_constraint)
804 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
805 (write_insn_extra_memory_constraint)
806 (write_insn_extra_address_constraint)
807 (write_satisfies_constraint_fns): New.
808 (write_tm_preds_h): If we have new-style constraint definitions,
809 prototype the functions generated from them, and define the
810 old constraint interface (still used by generic code) in terms of
812 (write_insn_preds_c): If we have new-style constraint definitions,
813 generate all relevant functions from those definitions.
814 (main): Handle define_constraint etc.
815 * genoutput.c (struct constraint_data, indep_constraints)
816 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
817 (mdep_constraint_len): New data structures and functions, defined
818 #ifdef USE_MD_CONSTRAINTS.
819 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
820 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
821 use new logic to validate operand constraints against constraint
823 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
825 * defaults.h: If none of the old-style constraint macros are
826 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
827 old-style macros; and poison REG_CLASS_FROM_LETTER,
828 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
830 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
831 * doc/md.texi: Document new constraint-definition mechanism and the
832 C interface it provides. Remove references to old mechanism
833 elsewhere in the document.
834 (Machine Constraints): Use pathnames relative to gcc directory,
835 i.e. config/ARCH/FILE. Change i386 section to refer to
836 config/i386/predicates.md; update that section to match docstrings.
837 * doc/tm.texi: Move all documentation of the old constraint-
838 definition macros to their own section, clearly mark as obsolete.
840 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
841 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
843 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
844 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
845 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
847 (splits and peepholes): Use satisfies_constraint_*.
848 * config/i386/i386.c (memory_address_length)
849 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
851 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
853 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
854 scalar operation to be put back into the loop.
856 2006-02-27 Jakub Jelinek <jakub@redhat.com>
859 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
860 (extract_cie_info): Handle S flag in augmentation string.
861 (execute_cfa_program): If context->signal_frame, execute also
862 fs->pc == context->ra instructions.
863 (uw_frame_state_for): If context->signal_frame, don't subtract one
864 from context->ra to find FDE.
865 (uw_update_context_1): Set context->signal_frame to
867 (_Unwind_GetIPInfo): New function.
868 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
869 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
871 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
872 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
873 * unwind-compat.c (_Unwind_GetIPInfo): New function.
874 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
875 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
876 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
877 * config/i386/linux-unwind.h (x86_fallback_frame_state,
878 x86_64_fallback_frame_state): Set fs->signal_frame.
879 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
880 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
881 (frob_update_context): Likewise. Workaround missing S flag in
882 Linux 2.6.12 - 2.6.16 kernel vDSOs.
883 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
884 Remove the psw_addr + 1 hack.
886 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
888 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
889 with aggregates here.
890 (find_func_aliases): Remove code for &<aggregate> from here.
892 2006-02-26 Roger Sayle <roger@eyesopen.com>
894 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
895 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
896 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
899 2006-02-26 Roger Sayle <roger@eyesopen.com>
902 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
904 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
906 * opts.c (decode_options): Do not handle flag_strength_reduce.
907 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
908 and OPT_fstrength_reduce.
909 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
910 flag_prefetch_loop_arrays for being nonzero.
911 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
913 (fprefetch-loop-arrays-rtl): Removed.
914 (flag_prefetch_loop_arrays): Do not specify the value.
916 * doc/passes.texi: Update documentation of loop optimizer
918 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
919 -frerun-loop-opt): Remove.
921 2006-02-26 Richard Guenther <rguenther@suse.de>
923 PR tree-optimization/26421
924 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
925 in function calls that are ADDR_EXPRs as using the whole structure.
927 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
929 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
930 * tree-pass.h (pass_loop_optimize): Remove.
931 * passes.c (pass_loop_optimize): Never run it.
932 * toplev.c (backend_init): Don't call init_loop.
933 * opts.c (flag_loop_optimize_set): Remove.
934 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
935 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
936 the old RTL loop optimizer when profiling enabled.
937 * predict.c (tree_estimate_probability): Always strip builtin_expect.
938 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
939 pre-headers for the sake of the old RTL loop optimizer.
940 * Makefile.in: Remove all references to loop.o.
942 * doc/invoke.texi: Remove all references to -floop-optimize
943 and -frerun-loop-opt.
945 2006-02-26 Zack Weinberg <zackw@panix.com>
947 * doc/md.texi (Machine Constraints): Refer to all files with paths
948 relative to gcc directory (i.e. config/CPU/file). Add missing
949 @table @code ... @end table to M32C subsection.
951 2006-02-26 Roger Sayle <roger@eyesopen.com>
953 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
955 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
957 2006-02-26 Roger Sayle <roger@eyesopen.com>
958 James A. Morrison <phython@gcc.gnu.org>
961 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
962 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
963 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
964 signedness of the shift operation.
966 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
968 PR tree-optimization/26359
969 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
971 2006-02-25 Roger Sayle <roger@eyesopen.com>
973 * simplify-rtx.c (simplify_relational_operation_1): Simplify
974 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
975 as X == 0, and some symmetry related transformations.
976 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
978 2006-02-25 Roger Sayle <roger@eyesopen.com>
981 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
982 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
983 symmetry related transformations. Fold (X^C1) == C2 as
986 2006-02-25 Juergen Weigert <jw@suse.de>
987 Richard Guenther <rguenther@suse.de>
989 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
991 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
993 * combine.c (gen_lowpart_or_truncate): Call
994 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
996 2006-02-24 Diego Novillo <dnovillo@redhat.com>
998 * doc/invoke.texi: Move -fopenmp description to "Options for
1000 Remove reference to -lgomp.
1002 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1004 * doc/install.texi: Require GNU tar version 1.14.
1006 2006-02-24 Geoffrey Keating <geoffk@apple.com>
1008 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
1009 * doc/invoke.texi (C++ Dialect Options): Document
1010 -fno-use-cxa-get-exception-ptr.
1011 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
1012 * configure: Regenerate.
1013 * c.opt (fuse-cxa-get-exception-ptr): New.
1014 * c-opts.c (c_common_handle_option): Handle
1015 OPT_fuse_cxa_get_exception_ptr.
1016 * c-common.c (flag_use_cxa_atexit): Update documentation.
1017 (flag_use_cxa_get_exception_ptr): New.
1018 * c-common.h (flag_use_cxa_get_exception_ptr): New.
1019 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
1021 (C_COMMON_OVERRIDE_OPTIONS): New.
1023 2006-02-24 Roger Sayle <roger@eyesopen.com>
1026 * combine.c (try_combine): Explicitly check whether GET_CODE is
1027 a SET or a CLOBBER, instead on checking that it isn't a USE.
1029 2006-02-24 Roger Sayle <roger@eyesopen.com>
1031 * fold-const.c (fold_comparison): New subroutine of fold_binary
1032 containing transformations common to both the equality and
1033 ordering relational operators, factored out of fold_binary.
1034 (fold_binary): Separate out the equality operators (EQ_EXPR
1035 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
1036 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
1037 transformations common to both.
1038 (fold_div_compare): Fix latent bugs in the previously unreachable
1039 LT_EXPR and GE_EXPR cases.
1041 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1043 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
1044 decl libname for clog to __clog on AIX.
1046 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
1048 2006-02-24 Alan Modra <amodra@bigpond.net.au>
1051 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
1052 output traceback table for thunks. Localise rs6000_stack_info call.
1054 2006-02-23 Roger Sayle <roger@eyesopen.com>
1055 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1057 * gthr-posix.h (__gthrw): Fix typo in comment.
1059 2006-02-23 Geoffrey Keating <geoffk@apple.com>
1061 * doc/cpp.texi (Character sets): Document that we do support
1062 input files to be in any character set.
1064 2006-02-23 Jeff Law <law@redhat.com>
1066 * tree.h (PHI_ARG_NONZERO): Remove.
1067 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
1068 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
1069 node to the new node.
1071 PR tree-optimization/26425
1072 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
1073 min/max, then assume its varying.
1075 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1077 PR rtl-optimization/26316
1078 * rtlanal.c (enum may_trap_p_flags): New.
1079 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
1080 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
1081 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
1082 (may_trap_after_code_motion_p): New function.
1083 * loop-invariant.c (find_identical_invariants): Fix dump formating.
1084 (find_invariant_insn): Use may_trap_after_code_motion_p.
1085 * rtl.h (may_trap_after_code_motion_p): Declare.
1087 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1089 * emit-rtl.c (immed_double_const): Cleanup.
1091 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
1093 Fix PR tree-optimization/26376
1094 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
1097 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1100 * gimplify.c (omp_add_variable): Guard variable size decl test with
1101 DECL_SIZE (decl) check.
1103 2006-02-23 Richard Guenther <rguenther@suse.de>
1106 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
1107 like aggregate types.
1109 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1111 * configure.ac: Add --with{,out}-long-double-128 configure option.
1112 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
1113 * configure: Rebuilt.
1114 * config.in: Rebuilt.
1115 * doc/install.texi (Options specification): Document
1116 --with-long-double-128.
1118 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1119 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1120 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1121 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1123 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
1125 * config/s390/s390.c (override_options): Handle
1126 TARGET_DEFAULT_LONG_DOUBLE_128.
1128 * config/alpha/alpha.c (override_options): Handle
1129 TARGET_DEFAULT_LONG_DOUBLE_128.
1131 * config/sparc/sparc.c (sparc_override_options): Handle
1132 TARGET_DEFAULT_LONG_DOUBLE_128.
1134 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
1136 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
1137 (real-install-headers-tar, real-install-headers-cpio)
1138 (real-install-headers-cp): New targets.
1140 2006-02-22 Richard Sandiford <richard@codesourcery.com>
1142 * tree.h (variable_section): Delete.
1143 * varasm.c (variable_section): Delete.
1145 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
1147 * install.texi: Add notes on install.texi2html.
1148 (Building in parallel): Do not use footnotes.
1150 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
1153 * doc/install.texi (Configuration): Document --disable-libgomp.
1155 2006-02-21 Geoffrey Keating <geoffk@apple.com>
1157 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
1159 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1161 * config/i386/sse.md (vec_extractv2df_1_sse): New.
1162 (vec_extractv2df_0_sse): New.
1164 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1166 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
1167 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
1168 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
1169 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
1170 to the result of the expression.
1171 (def_cfa_1): Adjust.
1172 (frame_pointer_cfa_offset): Rename to...
1173 (frame_pointer_fb_offset): ... this. Adjust all uses.
1174 (convert_cfa_to_loc_list): Rename to...
1175 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
1176 Pass it on to build_cfa_loc.
1177 (compute_frame_pointer_to_cfa_displacement): Rename to...
1178 (compute_frame_pointer_to_fb_displacement): ... this. New
1179 offset parameter. Use it in computation.
1180 (gen_subprogram_die): Compute cfa_fb_offset with the new
1181 macro, and use it to compute the fb loc list and the
1184 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
1186 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
1187 replaced with register_operand.
1188 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
1189 non-DREG is expensive.
1190 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
1191 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
1194 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
1196 * doc/install.texi2html: Use set -e.
1198 2006-02-21 Richard Sandiford <richard@codesourcery.com>
1200 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1201 (ASM_OUTPUT_SHARED_LOCAL): Delete.
1202 * doc/invoke.texi (-fshared-data): Delete.
1203 * common.opt (fshared-data): Delete.
1204 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
1205 (assemble_static_space): Remove #if 0 code.
1206 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1207 (ASM_OUTPUT_SHARED_LOCAL): Poison.
1208 * config/cris/cris.h: Remove FIXME.
1210 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
1212 * doc/sourcebuild.texi (Front End Directory): No more double-colon
1215 2006-02-21 Jakub Jelinek <jakub@redhat.com>
1218 * combine.c (simplify_shift_const_1): Disable nested shifts
1219 optimization for vector shifts.
1221 2006-02-20 Roger Sayle <roger@eyesopen.com>
1223 PR tree-optimization/26361
1224 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
1225 of unsigned integer types.
1227 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
1229 * tree-chrec.c (eq_evolutions_p): New.
1230 * tree-chrec.h (eq_evolutions_p): Declared.
1231 * tree-data-ref.c: Fix formatting.
1232 (datadep_stats, dependence_stats): New.
1234 (print_direction_vector): New.
1235 (dump_data_dependence_relation): Use print_direction_vector.
1236 (object_analysis, create_data_ref): Handle COMPONENT_REF.
1237 (compute_subscript_distance): Static.
1238 (initialize_data_dependence_relation): Static. Get the number
1239 of loops surrounding the references from the callers, and initialize
1240 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
1241 base_object_differ_p analyzers.
1242 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
1243 compute_overlap_steps_for_affine_1_2,
1244 analyze_subscript_affine_affine): Count the classified dependences.
1245 Print a message when a test failed.
1246 (can_use_analyze_subscript_affine_affine): New.
1247 (analyze_siv_subscript): Compute the data dependences on symbolic
1248 scevs that verify can_use_analyze_subscript_affine_affine.
1249 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
1250 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
1251 Handle symbolic scevs.
1252 (analyze_overlapping_iterations): Let symbolic affine scevs to be
1254 (subscript_dependence_tester): Moved...
1255 (build_classic_dist_vector, build_classic_dir_vector): Don't use
1256 lambda_vector_clear on newly allocated vectors. Get nb_loops from
1257 DDR_SIZE_VECT instead of getting it in parameter.
1258 (subscript_dependence_tester): ... here. Take as a parameter
1259 loop_nest_depth. Call build_classic_dist_vector and
1260 build_classic_dir_vector.
1261 (compute_affine_dependence): Update subscript_dependence_tester
1262 parameters. Update datadep_stats counters. Call
1263 compute_subscript_distance.
1264 (compute_self_dependence): Save the dist and dir vectors. Call
1265 compute_subscript_distance.
1266 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
1267 (compute_all_dependences): Reorder parameters as they were before
1268 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
1269 compute_subscript_distance. Update the use of
1270 compute_affine_dependence and initialize_data_dependence_relation.
1271 (find_data_references_in_loop): Handle COMPONENT_REF.
1272 (compute_data_dependences_for_loop): Initialize dependence_stats.
1273 Don't call build_classic_dist_vector and build_classic_dir_vector.
1274 Update the parameters of initialize_data_dependence_relation and
1275 compute_all_dependences. Print the statistics from datadep_stats.
1276 (analyze_all_data_dependences): Static. Not used until the pass for
1277 checking the data dependences is contributed.
1278 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
1279 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
1280 (initialize_data_dependence_relation, compute_affine_dependence,
1281 analyze_all_data_dependences, compute_subscript_distance): Removed.
1282 (print_direction_vector): New.
1283 * lambda.h (gcd): ... here.
1284 (lambda_vector_gcd): Moved here from gcd_vector.
1285 * lambda-code.c (gcd, gcd_vector): Removed.
1286 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
1287 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
1289 2006-02-20 Diego Novillo <dnovillo@redhat.com>
1291 * ipa-type-escape.c: Tidy some comments and white space.
1292 * tree-ssa-operands.c: Likewise.
1294 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
1297 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
1298 (dump_decl_name): Do not walk the decl tree chains.
1299 * tree-pass.h (TDF_CHAIN): Remove.
1301 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1303 * Makefile.in (C): Remove
1305 (.PHONY): Remove C and PROTO
1307 2006-02-20 Roger Sayle <roger@eyesopen.com>
1310 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
1311 deprecated CHAR_TYPE tree code.
1313 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1315 * configure.ac (target_list): Add install-info, dvi, html.
1316 * configure: Regenerate.
1318 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
1319 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
1320 treelang/Make-lang.in: Do not use double-colon rules.
1322 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
1324 * tree.h (struct tree_memory_tag): Add is_used_alone member.
1325 (TMT_USED_ALONE): New macro.
1326 * tree-pass.h (PROP_tmt_usage): New property.
1327 (TODO_update_tmt_usage): New todo.
1328 * tree-ssa-alias.c (updating_used_alone): New variable.
1329 (recalculate_used_alone): New function.
1330 (compute_may_aliases): Set updating_used_alone, call
1331 recalculate_used_alone.
1332 * tree-sra.c (pass_sra): Note that this pass destroys
1333 PROP_tmt_usage, and add TODO_update_tmt_usage.
1334 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1335 * tree-flow.h (updating_used_alone): Prototype.
1336 (recalculate_used_alone): Ditto.
1337 * passes.c (execute_todo): Add code to set updating_used_alone,
1338 and call recalculate.
1339 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
1340 for clobber if used alone, and add assert to verify used_alone
1343 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
1345 * config/s390/s390.c (legitimize_pic_address): Assertions checking
1346 for non tls symbols added.
1347 (legitimize_address): Do nothing for PLUS expressions if one of the
1348 addends is a tls symbol reference.
1350 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1354 * Makefile.in (LDFLAGS): Define from autoconf substitution.
1356 * Makefile.in (BOOTSTRAPPING): New.
1357 (quickstrap): New definition if BOOTSTRAPPING=yes.
1359 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
1360 * configure.ac: Substitute all_selected_languages with the languages
1361 that were configured. For all the other variables except
1362 lang_specs_files, include all the languages in the tree.
1363 * configure: Regenerate.
1365 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
1366 if there is one. Run the commands to run fixincludes in the same
1369 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
1370 * doc/install.texi: Document exact conventions for searching target tools.
1371 Document --with-build-time-tools. Document toplevel bootstrap. Document
1372 something more about building an Ada cross-compiler. Don't list GNU Make
1373 requirements which affect all platforms.
1375 2006-02-19 Roger Sayle <roger@eyesopen.com>
1378 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
1379 only equivalent if the have both the same mode and precision.
1381 2006-02-20 Ben Elliston <bje@au.ibm.com>
1383 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
1385 2006-02-19 Roger Sayle <roger@eyesopen.com>
1386 Steven Bosscher <stevenb.gcc@gmail.com>
1388 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
1389 constant pool references to identify stack mode constants.
1390 * rtlanal.c (constant_pool_constant_p): New predicate to check
1391 whether operand is a floating point constant in the pool.
1392 * rtl.h (constant_pool_constant_p): Prototype here.
1393 * loop.c (scan_loop): Avoid hoisting constants from the constant
1394 pool on STACK_REGS targets.
1395 (load_mems): Likewise.
1396 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
1397 loads into x87 registers expensive in terms of register pressure.
1399 2006-02-19 Roger Sayle <roger@eyesopen.com>
1401 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
1402 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
1404 2006-02-19 David Edelsohn <edelsohn@gnu.org>
1406 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
1407 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
1409 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
1411 * doc/invoke.texi: Document -fipa-pta.
1412 * common.opt: Add ipa-pta option.
1413 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
1414 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
1415 (do_ds_constraint): Ditto.
1416 (get_constraint_for): Only add to referenced_vars if
1417 referenced_vars exists.
1418 (insert_into_field_list): Rewrite to do this unsorted.
1419 (insert_into_field_list_sorted): Rename old insert_into_field_list
1421 (create_function_info_for): Use insert_into_field_list_sorted.
1422 (create_variable_info_for): Rewrite so it uses unsorted version,
1423 since the field list is sorted.
1424 (intra_create_variable_infos): Only add to referenced_vars if
1425 referenced_vars exists.
1426 (ipa_pta_execute): Init heapvars, and delete when done.
1427 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
1429 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1431 * doc/install.texi: Add missing `@samp'.
1433 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1435 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
1438 2006-02-18 Mark Wielaard <mark@klomp.org>
1440 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
1441 who added new 4.1 features, bug fixes and integration support.
1443 2006-02-18 David Edelsohn <edelsohn@gnu.org>
1446 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
1449 2006-02-18 Richard Sandiford <richard@codesourcery.com>
1451 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
1452 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
1453 (copy_insn_1): Likewise. Don't copy each field individually.
1455 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
1457 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
1458 * rtl.c (rtx_size): Rename variable to...
1459 (rtx_code_size): ...this.
1460 (rtx_size): New function.
1461 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
1462 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
1464 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
1465 * rtl.h (rtx_code_size): New variable.
1466 (rtx_size): Change from a variable to a function.
1467 (RTX_SIZE): Rename to...
1468 (RTX_CODE_SIZE): ...this.
1471 PR tree-optimization/17106
1472 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
1473 (Anchored Addresses): New section.
1474 * doc/invoke.texi (-fsection-anchors): Document.
1475 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
1476 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
1477 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
1478 * hooks.c (hook_bool_mode_rtx_false): New function.
1479 * hooks.h (hook_bool_mode_rtx_false): Declare.
1480 * gengtype.c (create_optional_field): New function.
1481 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
1482 SYMBOL_REF_IN_BLOCK_P is true.
1483 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
1484 (min_anchor_offset, max_anchor_offset): Likewise.
1485 (use_anchors_for_symbol_p): New hook.
1486 * toplev.c (compile_file): Call output_object_blocks.
1487 (target_supports_section_anchors_p): New function.
1488 (process_options): Check that -fsection-anchors is only used on
1489 targets that support it and when -funit-at-a-time is in effect.
1490 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
1491 if the decl doesn't have one.
1492 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
1493 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
1494 of force_const_mem through use_anchored_address.
1495 (expand_expr_constant): New function.
1496 (expand_expr_addr_expr_1): Call it. Use the same modifier when
1497 calling expand_expr for INDIRECT_REF.
1498 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
1499 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
1500 * expr.h (use_anchored_address): Declare.
1501 * loop-unroll.c: Don't declare rtx vectors here.
1502 * explow.c: Include output.h.
1503 (validize_mem): Call use_anchored_address.
1504 (use_anchored_address): New function.
1505 * common.opt (-fsection-anchors): New switch.
1506 * varasm.c (object_block_htab, anchor_labelno): New variables.
1507 (hash_section, object_block_entry_eq, object_block_entry_hash)
1508 (use_object_blocks_p, get_block_for_section, create_block_symbol)
1509 (use_blocks_for_decl_p, change_symbol_section): New functions.
1510 (get_variable_section): New function, split out from assemble_variable.
1511 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
1512 use_blocks_for_decl_p say so. Use change_symbol_section if the
1513 symbol has already been created.
1514 (assemble_variable_contents): New function, split out from...
1515 (assemble_variable): ...here. Don't output any code for
1516 block symbols; just pass them to place_block_symbol.
1517 Use get_variable_section and assemble_variable_contents.
1518 (get_constant_alignment, get_constant_section, get_constant_size): New
1519 functions, split from output_constant_def_contents.
1520 (build_constant_desc): Create a block symbol if use_object_blocks_p
1521 says so. Or into SYMBOL_REF_FLAGS.
1522 (assemble_constant_contents): New function, split from...
1523 (output_constant_def_contents): ...here. Don't output any code
1524 for block symbols; just pass them to place_section_symbol.
1525 Use get_constant_section and get_constant_alignment.
1526 (force_const_mem): Create a block symbol if use_object_blocks_p and
1527 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
1528 (output_constant_pool_1): Add an explicit alignment argument.
1529 Don't switch sections here.
1530 (output_constant_pool): Adjust call to output_constant_pool_1.
1531 Switch sections here instead. Don't output anything for block symbols;
1532 just pass them to place_block_symbol.
1533 (init_varasm_once): Initialize object_block_htab.
1534 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
1535 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
1536 (place_block_symbol, get_section_anchor, output_object_block)
1537 (output_object_block_htab, output_object_blocks): New functions.
1538 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
1539 (TARGET_ASM_OUT): Include it.
1540 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
1541 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
1542 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
1543 (TARGET_INITIALIZER): Include them.
1544 * rtl.c (rtl_check_failed_block_symbol): New function.
1545 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
1546 (block_symbol, object_block): New structures.
1547 (rtx_def): Add a block_symbol field to the union.
1548 (BLOCK_SYMBOL_CHECK): New macro.
1549 (rtl_check_failed_block_symbol): Declare.
1550 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
1551 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
1552 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
1553 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
1554 * output.h (output_section_symbols): Declare.
1555 (object_block): Name structure.
1556 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
1557 (default_use_anchors_for_symbol_p): Declare.
1558 * Makefile.in (RTL_BASE_H): Add vec.h.
1559 (explow.o): Depend on output.h.
1560 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
1561 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1562 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1563 (rs6000_use_blocks_for_constant_p): New function.
1565 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1567 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
1569 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1572 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
1575 2006-02-18 Diego Novillo <dnovillo@redhat.com>
1577 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
1581 2006-02-18 Jakub Jelinek <jakub@redhat.com>
1584 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
1585 instead of DECL_REGISTER.
1587 2006-02-18 Olivier Hainque <hainque@adacore.com>
1590 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
1592 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
1595 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
1596 * opth-gen.awk: Handle Var and InverseMask together.
1597 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
1598 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
1599 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
1600 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
1602 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1603 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1604 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
1605 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1606 LINUX_DYNAMIC_LINKER): Define.
1607 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
1608 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
1610 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1611 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
1612 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1613 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1614 (TARGET_C99_FUNCTIONS): Don't define.
1615 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
1616 GLIBC_DYNAMIC_LINKER.
1617 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
1618 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
1619 GLIBC_DYNAMIC_LINKER64): Define.
1620 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1621 LINUX_DYNAMIC_LINKER64.
1622 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1623 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1624 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
1625 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1626 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1627 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1628 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
1629 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
1630 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
1631 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
1632 and LINUX_DYNAMIC_LINKER32.
1633 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1634 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1635 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
1636 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1637 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
1639 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
1640 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
1641 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1642 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1643 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1644 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
1645 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
1646 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
1647 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1648 LINUX_DYNAMIC_LINKER): Define.
1649 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
1650 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
1651 GLIBC_DYNAMIC_LINKER64): Define.
1652 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1653 LINUX_DYNAMIC_LINKER64.
1654 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1655 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1656 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
1657 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1658 LINUX_DYNAMIC_LINKER): Define.
1659 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1660 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1661 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
1662 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
1663 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
1664 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1665 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
1666 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
1667 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1668 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1669 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1670 * doc/invoke.texi (-muclibc): Remove caveat about supported
1673 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1675 * doc/cpp.texi (__TIMESTAMP__): Document.
1677 2006-02-17 Roger Sayle <roger@eyesopen.com>
1680 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
1681 C is one less than the width of X (and related transformations).
1682 * simplify-rtx.c (simplify_unary_operation_1): Transform
1683 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
1684 depending on STORE_FLAG_VALUE, were C is one less then the
1687 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
1689 Fix PR tree-optimization/26341
1690 * tree-ssa-operands.c (add_virtual_operand): Remove assert
1691 about NAME_MEMORY_TAG's.
1693 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1696 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
1697 with hardware float support, and software float support. Add fcpy
1698 alternative to hardware patterns. Add alternatives to copy between
1699 general and floating-point registers to the 32-bit pattern.
1700 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
1701 secondary reload to load a QI or HI mode constant into a floating
1703 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
1704 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
1706 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
1709 * config/rs6000/darwin.md (load_macho_picbase_si): Add
1711 (load_macho_picbase_di): Likewise.
1713 2006-02-16 Jeff Law <law@redhat.com>
1715 * tree-vrp.c (set_value_range_to_nonnegative): New function.
1716 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
1717 (ssa_name_nonzero_p): Likewise.
1718 (get_value_range): Return NULL if VRP is not running.
1719 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
1720 VRP routines do not discover a range.
1721 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
1722 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
1723 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
1724 (tree_expr_nonnegative_p): Similarly.
1725 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
1726 (restore_nonzero_vars_to_original_value): Remove.
1727 (unsafe_associative_fp_binop): Remove.
1728 (tree_ssa_dominator_optimize): Remove initialization and
1729 finalization of nonzero_vars and nonzero_vars_stack.
1730 (dom_opt_initialize_block): No longer push marker on
1732 (dom_opt_finalize_block): No longer call
1733 restore_nonzero_vars_to_original_value.
1734 (record_equivalences_from_phis): No longer look for
1735 nonzero PHI arguments.
1736 (cprop_into_successor_phis): No longer propagate nonzero
1737 property into PHI arguments. Lose unused argument. Caller
1739 (record_equivalences_from_stmt): No longer record nonzero
1740 values for SSA_NAMEs.
1741 (lookup_avail_expr): No longer use nonzero_vars.
1743 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
1744 for sizetype when sizetype is unsigned.
1746 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
1748 PR rtl-optimization/25603
1749 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
1750 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
1751 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
1752 with new meaning of SETS.
1754 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
1759 * config/linux.opt: New file.
1760 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
1761 LINUX_DYNAMIC_LINKER): Define.
1762 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
1763 * config.gcc (*-*-linux*): Define extra_options.
1764 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
1765 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
1766 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
1767 GLIBC_DYNAMIC_LINKER.
1768 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
1769 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1770 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1771 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1772 * doc/invoke.texi (GNU/Linux Options): New section.
1774 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1776 * config/sparc/sparc.md (setjmp): Rewrite.
1777 (setjmp_32): Delete.
1778 (setjmp_64): Likewise.
1780 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
1782 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
1785 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1787 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
1790 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1792 PR rtl-optimization/26296
1793 * Makefile.in (loop-invariant.c): Add except.h dependency.
1794 * loop-invariant.c: Include except.h.
1795 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
1797 2005-02-16 Paul Brook <paul@codesourcery.com>
1799 * reload1.c (emit_reload_insns): Invalidate dead input registers used
1802 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
1804 PR rtl-optimization/25636
1805 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
1806 when deciding whether an insn is an initializing insn.
1808 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
1810 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
1811 (tree_code_size): Ditto.
1812 * tree.h (struct tree_memory_tag): Remove parent_var.
1813 (struct tree_struct_field_tag): New.
1816 (union tree_node): Add sft member.
1817 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
1819 (create_sft): Add size and offset argument, set SFT_OFFSET and
1821 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
1822 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
1823 * tree-flow-inline.h (get_subvar_at): Update for
1824 SFT_OFFSET/SFT_SIZE.
1825 (var_can_have_subvars): Ditto.
1826 (overlap_subvar): Ditto.
1827 * print-tree.c (print_node): Print out interesting things for
1829 * tree-flow.h (struct subvar): Remove offset and size members.
1830 * tree-ssa-operands.c (get_expr_operands): Update for
1831 get_indirect_ref_operands changes.
1832 (get_indirect_ref_operands): Call add_virtual_operand instead of
1833 add_stmt_operand. Only recurse on base var if requested.
1834 (access_can_touch_variable): New function.
1835 (add_stmt_operand): Split virtual operand handling into ...
1836 (add_virtual_operand): Here. Add offset, size, and for_clobber
1837 arguments. Prune alias sets.
1838 (add_call_clobber_ops): Call add_virtual_operand.
1840 2006-02-15 Jakub Jelinek <jakub@redhat.com>
1843 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
1845 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
1846 than TREE_CODE as index into omp_clause_num_ops array.
1848 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
1850 PR rtl-optimization/26184
1851 * modulo-sched.c (generate_reg_moves): Free bitmap vector
1853 * modulo-sched.c (sms_schedule): Free g_arr pointer.
1854 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
1855 must_precede, must_follow and tobe_scheduled.
1858 * opts.c (common_handle_option): Free new_option pointer.
1859 * df-core.c (df_analyze): Free postorder pointer.
1861 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1863 * Makefile.in: Fix the examples about the use of stamps
1865 2006-02-15 Michael Matz <matz@suse.de>
1869 * stor-layout.c (layout_decl): Zero-width bitfields aren't
1870 influenced by maximum_field_alignment or DECL_PACKED.
1871 (update_alignment_for_field): Ditto.
1872 (place_field): Ditto.
1873 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
1876 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
1878 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
1879 (debug_flow_info): Pass it.
1880 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
1881 * bb-reorder.c (reorder_basic_blocks): Likewise.
1882 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
1883 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
1884 * flow.c (life_analysis, recompute_reg_usage): Likewise.
1885 * gcse.c (gcse_main, bypass_jumps): Likewise.
1886 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
1887 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
1888 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
1889 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
1890 * rtl.h (dump_flow_info): Adjust prototype.
1891 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
1892 * var-tracking.c (variable_tracking_main): Likewise.
1893 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
1894 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
1897 2006-02-15 Marcin Dalecki <martin@dalecki.de>
1899 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
1902 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
1904 PR tree-optimization/26209
1905 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
1906 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
1908 * tree-cfg.c (replace_uses_by): Do not alter cfg.
1910 2006-02-14 Roger Sayle <roger@eyesopen.com>
1913 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
1914 (X,Y) and the corresponding symmetry related transformations.
1915 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
1916 (X,Y) and its symmetry related transformations.
1918 2006-02-14 Roger Sayle <roger@eyesopen.com>
1920 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
1923 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
1925 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
1927 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1930 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
1931 support COMDAT group.
1932 * configure: Regenerate.
1934 2006-02-14 Roger Sayle <roger@eyesopen.com>
1939 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
1941 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
1943 Fix PR tree-optimization/26260
1945 * doc/invoke.texi (max-fields-for-field-sensitive): Document
1947 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
1948 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
1949 * tree-ssa-structalias.c (create_variable_info_for): Use
1950 MAX_FIELDS_FOR_FIELD_SENSITIVE.
1952 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
1954 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
1956 * tree-ssa-loop-niter.c (number_of_iterations_ne,
1957 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
1958 of the ending condition.
1959 * tree-ssa-loop-manip.c: Include params.h.
1960 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
1961 tree_unroll_loop): New functions.
1962 * tree-pass.h (pass_loop_prefetch): Declare.
1963 * loop.c (rest_of_handle_loop_optimize): Test for
1964 -fprefetch-loop-arrays-rtl.
1965 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
1966 * timevar.def (TV_TREE_PREFETCH): New timevar.
1967 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
1968 pass_loop_prefetch): New.
1969 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
1970 (cleanup_tree_cfg_loop): Call scev_reset.
1971 * common.opt (fprefetch-loop-arrays-rtl): Add.
1972 * tree-ssa-loop-prefetch.c: New file.
1973 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
1974 (new_temp_expr_table): Initialize expr_vars.
1975 (free_temp_expr_table): Cleanup expr_vars.
1976 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
1977 expressions from being merged into one.
1978 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
1979 (struct tree_niter_desc): Add control, bound and cmp fields.
1980 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
1982 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
1983 (tree-cfgcleanup.o): Add SCEV_H dependency.
1984 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
1985 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
1987 2006-02-14 Richard Guenther <rguenther@suse.de>
1989 PR tree-optimization/26258
1990 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
1991 in PHI argument processing.
1993 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
1995 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
1996 new expression in the requested machine mode.
1998 2006-02-13 Roger Sayle <roger@eyesopen.com>
2000 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
2001 directly, instead let do_compare_rtx_and_jump handle this for us.
2002 * expr.c (expand_expr_real_1): Likewise.
2003 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
2004 before do_jump_by_parts_greater.
2005 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
2006 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
2008 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2010 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
2012 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2014 PR rtl-optimization/26235
2015 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
2016 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
2019 2006-02-13 Jeff Law <law@redhat.com>
2021 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
2024 2006-02-13 Jakub Jelinek <jakub@redhat.com>
2027 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
2028 twice if decl is a builtin. When trying again, call get_callee_fndecl
2029 first to verify it is still a builtin.
2031 2006-02-13 Geoffrey Keating <geoffk@apple.com>
2033 * dwarf2out.c (base_type_die): Don't add AT_name here.
2034 (subrange_type_die): Don't add AT_name here.
2035 (modified_type_die): Rearrange code flow. Do add AT_name here.
2037 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2039 PR rtl-optimization/26247
2040 PR rtl-optimization/26248
2041 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
2043 2006-02-13 Richard Sandiford <richard@codesourcery.com>
2045 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
2046 * config/fixtfdi.c: Likewise.
2047 * config/fixunstfdi.c: Likewise.
2048 * config/floatditf.c: Likewise.
2050 2006-02-13 Roger Sayle <roger@eyesopen.com>
2053 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
2054 into (X,C2) if C1 is a subset of the bits of C2. Transform
2055 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
2057 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
2059 2006-02-13 Josh Conner <jconner@apple.com>
2062 * varasm.c (function_section): Check for section name before
2063 calling select_section on targets that define
2064 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
2065 unlikely_text_section instead of hot_function_section if
2066 first_function_block_is_cold.
2068 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
2071 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
2073 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2075 PR rtl-optimization/26222
2076 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
2077 after tree->rtl expansion.
2078 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
2079 before passing it to emit_move_insn.
2081 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
2083 * doc/invoke.texi (-Write-strings): Document that it is enabled by
2085 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
2086 Clarify documentation.
2087 * c-common.h (warn_write_strings): Remove.
2088 * c-common.c (warn_write_strings): Likewise.
2089 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
2092 2006-02-12 Roger Sayle <roger@eyesopen.com>
2095 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
2096 (do_jump_parts_zero_rtx): New function renamed from
2097 do_jump_parts_equality_rtx. Made static. Add a mode argument.
2098 (do_jump_parts_equality_rtx): New function split out from
2099 do_jump_parts_equality. Old implementation renamed as above.
2100 Call do_jump_parts_zero_rtx if either operand is zero.
2101 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
2102 do all of the heavy lifting.
2103 (do_compare_rtx_and_jump): Handle multi-word comparisons by
2104 calling either do_jump_by_parts_greater_rtx or
2105 do_jump_by_parts_equality_rtx.
2106 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
2107 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
2108 moved to do_compare_rtx_and_jump, call it directly.
2109 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
2110 mode argument. Call do_compare_rtx_and_jump.
2111 (emit_case_nodes): Update calls to do_jump_if_equal.
2113 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2115 PR rtl-optimization/26225
2116 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
2118 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2120 PR rtl-optimization/26232
2121 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
2123 2006-02-11 Jason Merrill <jason@redhat.com>
2126 * tree-inline.c (declare_return_variable): Just don't use the
2127 modify target if it's a gimple complex reg and the return slot
2130 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2132 * doc/contrib.texi: Update my entry.
2134 2006-02-10 Geoffrey Keating <geoffk@apple.com>
2136 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
2138 2006-02-10 Diego Novillo <dnovillo@redhat.com>
2140 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
2143 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
2145 * doc/invoke.texi (-floop-optimize2): Removed.
2146 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
2147 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
2148 Test flag_branch_on_count_reg only if HAVE_doloop_end.
2149 * common.opt (floop-optimize2): Removed.
2150 (fmove-loop-invariants): Enabled by default.
2152 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
2154 * tree-if-conv.c (combine_blocks): Free the result of
2155 get_loop_exit_edges.
2157 2006-02-10 Jeff Law <law@redhat.com>
2159 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
2161 PR tree-optimization/26213
2162 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
2163 loop trying to follow SSA_NAME_VALUE chains.
2165 2006-02-10 Richard Guenther <rguenther@suse.de>
2167 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
2168 deal with structures that end in implicitly variable sized arrays.
2170 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2172 PR rtl-optimization/24762
2173 * df-scan.c (df_bb_refs_record): Record correct registers defined on
2176 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2178 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
2179 (struct ivopts_data): Add regs_used field.
2180 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
2181 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
2182 instead of loop_data->regs_used;
2183 (free_loop_data): Do not free aux fields for loops.
2184 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
2185 and tree_ssa_iv_optimize_finalize.
2187 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
2189 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
2191 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2194 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
2195 computing the effective result type.
2197 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2200 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
2201 (tree_overlaps_hard_reg_set): Declare.
2202 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
2203 type and signature to match function type expected by walk_tree.
2204 (tree_overlaps_hard_reg_set): New function.
2205 (decl_conflicts_with_clobbers_p): Rename to:
2206 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
2207 Use tree_overlaps_hard_reg_set. Changed caller.
2208 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
2209 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
2210 * cris.c (cris_md_asm_clobbers): Likewise.
2212 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
2214 * reload1.c (emit_input_reload_insns): Delete code that tries to
2215 inherit using find_equiv_reg.
2217 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
2219 * c-common.h (flag_const_strings): Don't declare.
2220 * c-common.c (flag_const_strings): Remove.
2221 * c.opt (fconst_strings): Remove.
2222 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
2223 <OPT_Wwrite_strings>: Don't set flag_const_strings.
2224 (c_common_init_options): Don't set flag_const_strings.
2225 * doc/invoke.texi (-fno-const-strings): Remove documentation.
2227 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
2229 * arm.md (tlobits_cbranch): New pattern.
2230 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
2231 testing a single bit.
2233 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2236 * tree-ssa-pre.c (create_component_ref_by_pieces):
2237 Handle RETURN_DECL like VAR_DECL.
2239 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2242 * fold-const.c (fold_indirect_ref_1): Fold
2243 "*(foo *)&complexfoo" to "__real__ complexfoo"
2244 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
2246 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2248 * tree-flow-inline.h (var_can_have_subvars):
2249 Volatile variables should not have subvariables.
2251 2006-02-09 Diego Novillo <dnovillo@redhat.com>
2254 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
2255 multiplying unsigned values.
2258 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
2260 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
2262 2006-02-08 Jason Merrill <jason@redhat.com>
2265 * tree.def: Elaborate on difference from MODIFY_EXPR.
2266 * doc/c-tree.texi (INIT_EXPR): Likewise.
2267 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
2268 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
2269 (gimplify_target_expr): Likewise.
2270 (gimplify_cond_expr): Remove target handling.
2271 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
2272 (gimplify_expr): Clobber it here.
2273 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
2274 Do return slot optimization if we have an INIT_EXPR.
2277 * tree-inline.c (declare_return_variable): Also clear
2278 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
2281 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
2284 * gimplify.c (gimplify_one_sizepos): Fix typo.
2286 2006-02-08 Jeff Law <law@redhat.com>
2288 PR tree-optimization/21417
2289 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
2290 across a backedge if the control statement at the end of the
2291 block is data dependent on other statements in the same block.
2292 (record_temporary_equivalences_from_stmts): Remove over-conservative
2293 test for threading across backedges.
2295 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
2296 control statement, handle all three special cases in the same
2297 manner as they all have the same desired solution. No longer
2298 special case edge flag updating when the post dominator is
2301 2006-02-08 Roger Sayle <roger@eyesopen.com>
2303 * tree.def (CHAR_TYPE): Remove.
2304 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
2305 * dwarf2out.c (base_type_die, is_base_type): Likewise.
2306 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
2307 (gen_string_type_die): Delete unreachable function.
2309 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
2310 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
2311 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
2312 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
2313 * builtins.c (type_to_class): Likewise.
2314 * fold-const.c (fold_convert, build_range_check,
2315 merge_ranges): Likewise.
2316 * expr.c (count_type_elements): Likewise.
2317 * c-pretty-print.c (pp_c_type_specifier): Likewise.
2318 * stor-layout.c (layout_type): Likewise.
2319 * ipa-type-escape.c (type_to_consider): Likewise.
2320 * gimplify.c (omp_firstprivatize_type_sizes,
2321 gimplify_type_sizes): Likewise.
2322 * explow.c (promote_mode): Likewise.
2323 * tree-sra.c (is_sra_scalar_type): Likewise.
2324 * varasm.c (output_constant): Likewise.
2325 * tree-inline.c (remap_type_1): Likewise.
2326 * convert.c (convert_to_pointer, convert_to_real,
2327 convert_to_integer, convert_to_complex): Likewise.
2329 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
2331 * df-scan.c (df_def_record_1): A set destination may
2332 be a parallel regardless of mode.
2334 2006-02-08 Roger Sayle <roger@eyesopen.com>
2337 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
2338 * config/mips/_tilib.c: Remove.
2339 * config/fixtfdi.c: New libgcc source file.
2340 * config/fixunstfdi.c: New source file.
2341 * config/floatditf.c: New source file.
2342 * config/floatunditf.c: New souce file.
2343 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2344 files above instead of config/mips/_tilib.c.
2345 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2347 2006-02-08 Jeff Law <law@redhat.com>
2349 PR tree-optimization/26169
2350 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
2353 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
2355 * df.h (DF_REG_SIZE): Return the length of the initialized
2358 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
2360 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
2361 __muldf3): Return a correctly signed zero.
2363 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
2365 * passes.c (register_one_dump_file): Accept the current properties
2366 instead of pass number. Adjust call to dump_register. Remove
2368 (register_dump_files): Now a wrapper around...
2369 (register_dump_files_1): ... this one. Do not modify the pass
2371 (next_pass_1): Cosmetic fix.
2372 (execute_todo): Keep second parameter only. Use curr_properties
2373 instead of fetching it from the pass structure. Check and set
2375 (execute_one_pass): Handle TODO_set_props. Use curr_properties
2376 instead of fetching it from the pass structure. Fix calls to
2377 execute_todo. Update curr_properties and initialize .vcg RTL dump
2378 after running the pass. Reset last_verified.
2379 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
2381 (FIRST_AUTO_NUMBERED_DUMP): New.
2382 (dump_register): Remove "num" parameter, assign it within the
2384 (get_dump_file_name): Modify template for dumps.
2385 * tree-dump.h (dump_register): Adjust prototype.
2386 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
2387 (PROP_trees): Add PROP_gimple_lomp.
2388 (TODO_set_props): New.
2389 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
2390 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
2391 * cfgexpand.c (pass_expand): Destroy PROP_trees.
2393 2006-02-08 Jakub Jelinek <jakub@redhat.com>
2395 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
2396 (sparc64-*-linux*): Likewise.
2397 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
2398 * config/sparc/t-linux: New file.
2399 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
2400 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
2401 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
2402 -m32 -mlong-double-128.
2404 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
2405 * config/alpha/t-linux: New file.
2406 * config/alpha/libgcc-alpha-ldbl.ver: New file.
2408 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
2409 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
2410 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
2411 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
2412 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
2413 (CPP_ARCH32_SPEC): Remove.
2415 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
2417 PR tree-optimization/26145
2418 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
2421 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2424 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
2425 >= 240000 when generating code for SOM runtime.
2426 (output_indirect_call): Don't use "b,l" instruction for indirect calls
2427 to $$dyncall when generating code for SOM runtime..
2429 2006-02-07 Dirk Mueller <dmueller@suse.com>
2432 * doc/invoke.texi (-Wsequence-point): Update documentation
2433 that -Wsequence-point is implemented for C++ as well.
2435 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2437 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
2438 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
2439 (LIB_SPEC): Likewise.
2440 * doc/invoke.texi (SPARC options): Document -pthread.
2442 2006-02-07 Geoffrey Keating <geoffk@apple.com>
2444 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
2447 2006-02-07 Roger Sayle <roger@eyesopen.com>
2449 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
2450 Correct comment describing BOOLEAN_TYPE.
2452 2006-02-07 Dirk Mueller <dmueller@suse.com>
2454 * c.opt: C++ frontend supports -Wdiv-by-zero.
2455 * c-opts.c (c_common_handle_option): Remove dead case.
2457 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2459 * configure.ac (TLS assembler check): Do not enable TLS by
2460 default on SPARC/Solaris before version 10.
2461 * configure: Regenerate.
2463 2006-02-07 David Edelsohn <edelsohn@gnu.org>
2465 * doc/invoke.texi (xl-compat): Document conversion and support
2468 2006-02-07 Jeff Law <law@redhat.com>
2470 * tree-vrp.c (find_conditional_asserts): Update comments.
2471 (simplify_stmt_for_jump_threading): New.
2472 (identify_jump_threads, finalize_jump_threads): New.
2473 (vrp_finalize): Call identify_jump_threads.
2474 (execute_vrp): Call finalize_jump_threads.
2475 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
2476 (vrp_element, vrp_data, vrp_element_p): Remove.
2477 (vrp_hash_elt, vrp_variables_stack): Remove.
2478 (vrp_hash, vrp_eq, record_range): Remove.
2479 (simplify_cond_and_lookup_avail_expr): Remove.
2480 (extract_range_from_cond): Remove.
2481 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
2482 (simplify_stmt_for_jump_threading): New.
2483 (dom_thread_across_edge): New wrapper.
2484 (tree_ssa_dominator_optimize): No longer initialize or
2485 finalize any of the VRP datastructures. Remove iteration
2486 step and simplify as a result of removal of iteration step.
2487 (pass_dominator): Perform a cfg cleanup after DOM.
2488 (dom_opt_finalize_block): Use the new common routines
2489 for threading jumps. Simplify stack management slightly.
2490 No longer need to unwind VRP state.
2491 (record_equivalences_from_incoming_edge): No longer record
2493 (eliminate_redundant_computations): No longer call
2494 simplify_cond_and_lookup_avail_expr.
2495 * tree-flow.h (potentially_threadable_block): Prototype.
2496 (thread_across_edge): Likewise.
2497 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
2498 (tree-ssa-threadedge.o): Add dependencies.
2499 * tree-ssa-threadedge.c: New file.
2500 * passes.c (init_optimization_passes): Merge PHIs before
2501 calling VRP. Run VRP again late in the SSA optimization pipeline.
2503 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2505 * df-core.c (df_set_blocks): Do not dereference function pointers.
2506 (df_finish1): Likewise.
2507 (df_hybrid_search_forward): Likewise.
2508 (df_hybrid_search_backward): Likewise.
2509 (df_iterative_dataflow): Likewise.
2510 (df_analyze_problem): Likewise.
2511 (df_compact_blocks): Likewise.
2512 (df_dump): Likewise.
2513 * df-scan.c (df_rescan_blocks): Likewise.
2514 (df_record_entry_block_defs): Likewise.
2516 * genconditions.c (write_conditions): Guard the definition of
2517 'insn_conditions' with the check on GCC version.
2518 (write_writer): Guard the traversal 'insn_conditions' with
2519 the check on GCC version.
2521 2006-02-07 Richard Guenther <rguenther@suse.de>
2525 2006-01-30 Richard Guenther <rguenther@suse.de>
2527 * gimplify.c (gimplify_target_expr): Handle easy cases
2528 without creating a temporary.
2530 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
2532 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
2533 use of float in probability computations. Use edge probabilities
2534 in place of statically computed probabilities.
2535 (min_spec_prob): New static variable.
2536 (schedule_insns): Initialize it.
2537 (GET_SRC_PROB): Removed.
2538 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
2540 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
2543 * config/ia64/unwind-ia64.c: Revert last change.
2544 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
2545 (INCOMING_FRAME_SP_OFFSET): Define.
2547 2006-02-06 Roger Sayle <roger@eyesopen.com>
2549 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
2551 2006-02-07 Ben Elliston <bje@au.ibm.com>
2553 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
2554 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
2555 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
2556 (ix86_return_in_memory): Handle TDmode.
2557 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
2558 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
2560 2006-02-06 Richard Sandiford <richard@codesourcery.com>
2562 * reorg.c (dbr_schedule): Use dump_file instead of file.
2564 2006-02-06 Steve Ellcey <sje@cup.hp.com>
2567 * config/ia64/predicates.md (extr_len_operand): New predicate.
2568 * config/ia64/ia64.md (extv): Tighten constraints.
2570 (*tbit_and_2): Ditto.
2571 (*tbit_and_3): Ditto.
2572 (*tbit_or_2): Ditto.
2573 (*tbit_or_3): Ditto.
2577 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
2580 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
2582 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
2584 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
2585 loop_optimizer_init and loop_optimizer_finalize
2586 * tree-ssa-sink.c (execute_sink_code): Ditto.
2587 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2588 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
2589 tree_ssa_loop_done): Ditto.
2590 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
2591 * sched-ebb.c: Include output.h.
2592 (schedule_ebbs): Do not use dump argument.
2593 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
2594 * loop.c (loop_dump_stream): Removed.
2595 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
2597 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
2598 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
2599 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
2600 loop_iterations, strength_reduce, record_biv, record_giv,
2601 final_giv_value, check_final_value, check_ext_dependent_givs,
2602 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
2603 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
2604 dump_file instead of loop_dump_stream.
2605 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
2607 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
2609 * flow.c (life_analysis, rest_of_handle_life): Ditto.
2610 * haifa-sched.c: Include output.h
2611 (schedule_insns, sched_init): Do not use dump argument.
2612 * mode-switching.c (optimize_mode_switching): Ditto.
2613 * modulo-sched.c (stats_file): Removed.
2614 (print_node_sched_params): Do not call argument dump_file.
2615 (sms_schedule_by_order, loop_canon_p, sms_schedule,
2616 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
2618 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
2620 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
2621 rtl_loop_init, rtl_loop_done): Ditto.
2622 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
2623 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
2625 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
2626 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
2627 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
2628 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
2629 * emit-rtl.c (renumber_insns): Ditto.
2630 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
2631 expand_gimple_basic_block, tree_expand_cfg): Ditto.
2632 * regclass.c (regclass): Ditto.
2633 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
2634 remove_ssa_form, rewrite_out_of_ssa): Ditto.
2635 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
2636 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
2638 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
2639 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
2641 * gcse.c (gcse_file, debug_stderr): Removed.
2642 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
2643 rest_of_handle_gcse): Do not use dump argument.
2644 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
2645 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
2646 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
2647 compute_code_hoist_vbeinout, compute_code_hoist_data,
2648 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
2649 compute_store_table, build_store_vectors, insert_insn_start_bb,
2650 insert_store, remove_reachable_equiv_notes, replace_store_insn,
2651 store_motion): Use dump_file instead of gcse_file.
2652 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
2653 * profile.c (profile_dump_file): Removed.
2654 (branch_prob): Use dump_file instead of profile_dump_file.
2655 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
2657 * tree-ssa-copy.c (dump_copy_of): Ditto.
2658 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
2659 dump file to life_analysis.
2660 * bt-load.c (branch_target_load_optimize): Ditto.
2661 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
2663 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
2664 regclass, dbr_schedule): Declaration changed.
2665 * sched-int.h (sched_init): Declaration changed.
2666 * tree-profile.c (tree_profile_dump_file): Removed.
2667 (tree_profile_hooks): Removed profile_dump_file hook.
2668 * rtl-profile (rtl_profile_dump_file): Removed.
2669 (rtl_profile_hooks): emoved profile_dump_file hook.
2670 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
2672 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
2673 * tree-cfg.c (build_tree_cfg): Ditto.
2674 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
2675 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
2676 Declaration changed.
2677 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
2678 life_analysis and schedule_insns.
2679 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
2681 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
2683 * config/mips/mips.c (mips_reorg): Ditto.
2684 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
2687 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
2689 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2690 (s390_mangle_fundamental_type): New.
2691 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2694 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2695 (alpha_mangle_fundamental_type): New.
2696 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2699 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2701 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2703 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2704 (sparc_mangle_fundamental_type): New.
2706 2006-02-06 Jakub Jelinek <jakub@redhat.com>
2708 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
2709 (s390x-*-linux*): Likewise.
2710 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
2711 * config/s390/t-linux: New file.
2713 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2715 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
2716 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
2718 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
2720 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
2721 (ANTIC_SAFE_LOADS): New macro.
2722 (find_or_generate_expression): Add prototype.
2723 (set_contains_value): Allow null set for sake of not always having
2724 to allocate ANTIC_SAFE_LOADS.
2725 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
2726 Allow COMPONENT_REF too.
2727 (valid_in_set): Allow COMPONENT_REF.
2728 Check ANTIC_SAFE_LOADS too.
2729 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
2730 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
2732 (can_PRE_operation): Add COMPONENT_REF.
2733 (create_component_ref_by_pieces): New function.
2734 (create_expression_by_pieces): Use create_component_ref_by_pieces.
2735 (insert_aux): Move AGGREGATE_TYPE_P check here.
2736 (compute_avail): Set bb local stmt uids.
2737 (pass_pre): Use TODO_update_ssa_only_virtuals.
2739 2006-02-06 Ben Elliston <bje@au.ibm.com>
2741 * configure.ac: Unconditionally disable decimal float by default.
2742 * configure: Regenerate.
2744 2006-02-06 Ben Elliston <bje@au.ibm.com>
2746 * read-rtl.c (read_name): Terminate reading on EOF.
2748 2006-02-06 Ben Elliston <bje@au.ibm.com>
2750 * dfp.c (decimal_real_arithmetic): Change second argument type
2751 from int to enum tree_code. Do not always return true, but now
2752 return result of any call to decimal_do helper functions.
2753 * dfp.h (decimal_real_arithmetic): Update prototype.
2755 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
2757 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
2759 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
2762 * tree-cfg.c (cleanup_dead_labels): Also don't remove
2765 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2767 * tree-vrp.c (cfg_loops): Removed.
2768 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
2769 Use current_loops instead of cfg_loops. Pass flags to
2770 loop_optimizer_init.
2771 * cfgloopmanip.c (fix_loop_structure): Update only available
2773 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
2774 loop_optimizer_init.
2775 * modulo-sched.c (build_loops_structure): Removed.
2776 (sms_schedule): Use loop_optimizer_init.
2777 * loop-init.c (loop_optimizer_init): Use flags to determine
2778 which properties of loops to prepare.
2779 (rtl_loop_init): Pass flags to loop_optimizer_init.
2780 * tree-ssa-sink.c (execute_sink_code): Ditto.
2781 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
2782 * tree-ssa-pre.c (init_pre): Ditto.
2783 * cfgloop.h (LOOPS_NORMAL): New.
2784 (loop_optimizer_init): Declaration changed.
2786 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2788 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
2789 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
2791 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
2793 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
2795 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
2796 * pa/t-pa64: Delete quadlib.c rule.
2797 * pa/x-ada: Revert last change.
2798 * pa/t-pa: Revert last change. Delete quadlib.c rule.
2800 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2802 PR rtl-optimization/26087
2803 * rtlanal.c (canonicalize_condition): Do not cross basic block
2806 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
2809 * config/ia64/ia64.c: Include debug.h.
2810 (MAX_ARTIFICIAL_LABEL_BYTES): New.
2811 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
2812 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
2813 (process_epilogue, process_set, process_for_unwind_directive):
2814 Output unwind info only if requested. Add CFA info if requested.
2815 Add new arguments as needed. Adjust callers.
2816 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
2818 (DWARF2_FRAME_INFO): Define to zero.
2819 * config/ia64/unwind-ia64.c: Remove code that compensated for
2820 the CFA offset error fixed above.
2821 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
2822 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
2823 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
2824 -funwind-tables and -fexceptions to enable frame info.
2825 (dwarf2out_frame_init): Define initial CFA even if
2826 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
2827 DWARF2_UNWIND_INFO is nonzero, not just defined.
2828 (dwarf2out_frame_finish): Output non-EH call frame info only
2829 if DWARF2_FRAME_INFO is nonzero.
2830 (convert_cfa_to_loc_list,
2831 compute_frame_pointer_to_cfa_displacement): Define even if
2832 unwind info is not supported.
2833 (gen_subprogram_die): Use the above unconditionally. Remove
2834 legacy alternate code.
2835 * toplev.c (compile_file): Compile in call to
2836 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
2837 (lang_dependent_init): Ditto for dwarf2out_frame_init.
2839 2006-02-04 David Edelsohn <edelsohn@gnu.org>
2840 Jakub Jelinek <jakub@redhat.com>
2842 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
2843 IBM extended float format long double as "g" on powerpc*-linux.
2845 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2848 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
2849 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
2851 2006-02-03 Jason Merrill <jason@redhat.com>
2854 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
2857 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
2858 on the return slot if it's an NRV.
2860 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
2862 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
2863 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
2864 rewrite_use): Do not handle USE_OUTER.
2865 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
2866 add_iv_outer_candidates, may_replace_final_value,
2867 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
2868 (find_interesting_uses_op): Functionality of
2869 find_interesting_uses_outer_or_nonlin moved here.
2870 (find_interesting_uses_outside): Use find_interesting_uses_op.
2872 2006-02-03 Alan Modra <amodra@bigpond.net.au>
2875 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
2877 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
2878 Ulrich Weigand <uweigand@de.ibm.com>
2881 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
2882 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
2883 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
2884 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
2886 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
2887 (s390_rtx_costs): Use the new fields to calculate rtx costs.
2888 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
2889 Define secondary reloads for TFmode moves.
2890 (constant_modes): Add TFmode.
2891 (NR_C_MODES): Set to 8.
2892 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
2894 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
2895 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
2896 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
2897 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
2898 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
2899 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
2900 (FPR mode macro): Add TFmode.
2901 (DSF mode macro): New.
2902 (<de>, <dee> mode attributes): Removed.
2903 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
2904 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
2905 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
2906 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
2907 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
2908 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
2909 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
2910 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
2911 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
2912 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
2913 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
2914 "*negabs<mode>2", "sqrt<mode>2"):
2915 Changed <de> to <xde>. R constraint replaced by <Rf>.
2916 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
2918 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
2919 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
2920 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
2922 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
2923 "extenddftf2", "extendsftf2"): New expanders.
2924 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
2925 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
2926 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
2927 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
2929 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
2930 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
2931 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
2932 __floatditf): Add a GCC_4.1.0 symbol version tag.
2933 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
2936 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
2939 * config/i386/i386.c (ix86_function_ok_for_sibcall):
2940 Use targetm.binds_local_p instead of TREE_PUBLIC.
2942 2006-02-02 Roger Sayle <roger@eyesopen.com>
2944 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
2945 on INTEGER_TYPEs to indicate that it denotes a character type.
2946 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
2947 signed_char_type_node, unsigned_char_type_node and char_type_node.
2948 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
2949 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
2950 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
2952 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
2953 Daniel Berlin <dberlin@dberlin.org>
2955 * tree-tailcall.c (arg_needs_copy_p): New function.
2956 (eliminate_tail_call): Use arg_needs_copy_p.
2957 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
2958 (add_virtual_phis): New function.
2960 2006-02-02 Jakub Jelinek <jakub@redhat.com>
2962 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
2963 #ignore instead of #scratch for %g7 .register directive.
2965 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
2967 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
2970 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2972 * flow.c (calculate_global_regs_live): Assert that there aren't any
2975 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
2977 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
2979 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
2980 bsi_after_labels iterator.
2981 * tree-if-conv.c (find_phi_replacement_condition,
2982 replace_phi_with_cond_modify_expr): Likewise.
2983 * tree-scalar-evolution.c (scev_const_prop): Likewise.
2984 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
2986 2006-02-02 Diego Novillo <dnovillo@redhat.com>
2988 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
2990 2006-02-02 Diego Novillo <dnovillo@redhat.com>
2993 * tree-cfg.c (move_block_to_fn): Clear out the basic block
2994 array after growing it.
2996 2006-02-01 Steve Ellcey <sje@cup.hp.com>
2999 * fold-const.c (fold_checksum_tree): Change type of buf.
3001 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
3003 * reload.c (push_secondary_reload): Initialize t_icode.
3005 2006-02-01 Jakub Jelinek <jakub@redhat.com>
3007 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
3008 -msoft-float -mlong-double-128 only issue a warning, but don't
3009 swich to DFmode long double.
3011 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
3013 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
3014 has a constant equivalent, iterate over equivalents for arg0,
3015 calling simplify_relational_operation and if there's a result
3016 cheaper than X, apply fold_rtx and return the result.
3018 2006-02-01 Jan Hubicka <jh@suse.cz>
3020 * opts.c (no_unit_at_a_time_default): New global variable.
3021 (decode_options): Use it.
3022 * opts.h (no_unit_at_a_time_default): Declare.
3024 2006-02-01 Paul Brook <paul@codesourcery.com>
3026 * function.c (assign_parm_setup_reg): Use function argument promotion
3028 * expr.c (expand_expr_real_1): Use function argument promotion rules
3031 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3033 * gcc.c (process_command): Change j to 'unsigned int'.
3035 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3038 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
3039 Use the corrected index for the character
3040 out of the string constant.
3042 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3044 * mode-switching.c (optimize_mode_switching): Fix size
3045 allocated for bb_info[n_entities].
3047 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3049 * gcc.c (main): Correct type that is allocated for
3050 explicit_link_files.
3052 2006-01-31 Jakub Jelinek <jakub@redhat.com>
3054 * config/s390/s390.c (init_alignment_context): Set
3055 ALIAS_SET_MEMORY_BARRIER on the MEM.
3056 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
3058 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
3061 * loop-unroll.c (unroll_loop_runtime_iterations): Free
3063 * tree-ssa-live.c (type_var_init): Allocate bitmap after
3066 2006-01-31 Marcin Dalecki <martin@dalecki.de>
3068 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
3069 * regrename.c: Ditto.
3070 * tree-ssa-loop-im.c: Ditto.
3071 * tree-dump.c: Ditto.
3072 * tree-complex.c: Ditto.
3073 * genrecog.c: Ditto.
3074 * tree-ssa-threadupdate.c: Ditto.
3076 * java/class.c: Ditto.
3077 * java/jcf-parse.c: Ditto.
3078 * java/resource.c: Ditto.
3079 * java/except.c: Ditto.
3080 * java/jvspec.c: Ditto.
3081 * java/jcf-write.c: Ditto.
3082 * java/jcf-path.c: Ditto.
3083 * java/gjavah.c: Ditto.
3084 * java/zextract.c: Ditto.
3085 * java/jcf-io.c: Ditto.
3086 * java/jcf.h: Ditto.
3087 * java/buffer.c: Ditto.
3088 * java/lang.c: Ditto.
3089 * java/parse-scan.y: Ditto.
3090 * java/lex.c: Ditto.
3091 * java/lex.h: Ditto.
3092 * cfgloopmanip.c: Ditto.
3093 * postreload-gcse.c: Ditto.
3094 * tree-ssa-loop-manip.c: Ditto.
3095 * postreload.c: Ditto.
3096 * tree-ssa-loop-ch.c: Ditto.
3100 * diagnostic.c: Ditto.
3102 * genoutput.c: Ditto.
3104 * cfghooks.c: Ditto.
3105 * cfgloopanal.c: Ditto.
3106 * objc/objc-act.c: Ditto.
3108 * genextract.c: Ditto.
3109 * genautomata.c: Ditto.
3110 * pretty-print.c: Ditto.
3112 * cgraphunit.c: Ditto.
3115 * haifa-sched.c: Ditto.
3116 * dominance.c: Ditto.
3118 * tree-ssa-loop-ivopts.c: Ditto.
3120 * mode-switching.c: Ditto.
3121 * modulo-sched.c: Ditto.
3123 * ipa-pure-const.c: Ditto.
3125 * fix-header.c: Ditto.
3127 * tree-stdarg.c: Ditto.
3128 * ipa-utils.c: Ditto.
3129 * loop-init.c: Ditto.
3130 * ipa-inline.c: Ditto.
3133 * alloc-pool.c: Ditto.
3134 * dwarf2out.c: Ditto.
3136 * genattrtab.c: Ditto.
3137 * tree-ssa-loop-ivcanon.c: Ditto.
3141 * fortran/gfortranspec.c: Ditto.
3143 * local-alloc.c: Ditto.
3144 * langhooks.c: Ditto.
3145 * function.c: Ditto.
3146 * tree-vectorizer.c: Ditto.
3148 * ipa-type-escape.c: Ditto.
3150 * tree-if-conv.c: Ditto.
3153 * tree-data-ref.c: Ditto.
3154 * loop-unroll.c: Ditto.
3155 * treelang/treetree.c: Ditto.
3158 * ggc-common.c: Ditto.
3160 * coverage.c: Ditto.
3162 * tree-cfgcleanup.c: Ditto.
3163 * tree-ssa-pre.c: Ditto.
3164 * cfgcleanup.c: Ditto.
3165 * loop-invariant.c: Ditto.
3167 * ipa-prop.c: Ditto.
3168 * print-tree.c: Ditto.
3169 * conflict.c: Ditto.
3170 * ggc-page.c: Ditto.
3171 * sched-deps.c: Ditto.
3172 * regclass.c: Ditto.
3173 * tree-object-size.c: Ditto.
3175 * bb-reorder.c: Ditto.
3176 * resource.c: Ditto.
3177 * var-tracking.c: Ditto.
3179 * df-problems.c: Ditto.
3180 * reg-stack.c: Ditto.
3183 * sched-rgn.c: Ditto.
3184 * tree-ssa-structalias.c: Ditto.
3185 * tree-ssa-reassoc.c: Ditto.
3186 * config/darwin-c.c: Ditto.
3187 * config/darwin.c: Ditto.
3188 * config/arm/arm.c: Ditto.
3190 * collect2.c: Ditto.
3193 2006-01-31 Nicolas Pitre <nico@cam.org>
3195 * arm.md (smaxsi3): Make aware of smax_m1.
3198 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
3200 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
3202 2006-01-31 Richard Guenther <rguenther@suse.de>
3204 * doc/invoke.texi (-msselibm): Document.
3205 * target.h (expand_library_builtin): New target hook.
3206 * builtins.c (expand_builtin): Use expand_library_builtin.
3207 (default_expand_library_builtin): New function.
3208 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3209 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3210 (link_gcc_math_spec): Declare.
3211 (static_specs): Add link_gcc_math_spec.
3212 * expr.h (default_expand_library_builtin): Declare.
3213 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3214 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3215 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3216 * config/i386/i386.opt (msselibm): New target option.
3217 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3218 (ix86_init_sse_abi_builtins): New function.
3219 (ix86_expand_library_builtin): Likewise.
3220 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3221 (override_options): Handle error conditions wrt -msselibm.
3222 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3223 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3224 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3227 2006-01-31 Richard Guenther <rguenther@suse.de>
3228 Paolo Bonzini <bonzini@gnu.org>
3230 * doc/install.texi (--disable-libgcc-math): Document.
3232 2006-01-30 Marcin Dalecki <martin@dalecki.de>
3234 * expr.h (expand_normal): new inline function.
3235 * builtins.c: use it, use EXPAND_NORMAL explicitely.
3237 * dwarf2out.c: use it.
3242 * config/sparc/sparc.c: use it.
3243 * config/i386/i386.c: use it.
3244 * config/rs6000/rs6000.c: use it.
3245 * config/arm/arm.c: use it.
3246 * config/mips/mips.c: use it.
3247 * stmt.c: use it, use EXPAND_NORMAL explicitely.
3249 2006-01-30 Roger Sayle <roger@eyesopen.com>
3251 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
3252 argv to the appropriate type.
3254 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
3256 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
3259 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
3262 * config/s390/s390.c (struct machine_function): New flag
3263 decomposed_literal_pool_addresses_ok_p.
3264 (s390_reorg): Set it before final stage of literal pool transforms.
3265 (s390_decompose_address): Only accept displacements of the form
3266 (minus (label_ref ...) (label_ref ...)) if that flag is set.
3268 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
3270 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
3271 the comparison routine return.
3273 2006-01-30 Michael Matz <matz@suse.de>
3275 * global.c (find_reg): Only evict for global regs.
3276 Take n_refs into account and dump more info.
3278 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
3281 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
3282 (pragma_trap, pragma_nosave_low_regs): Likewise.
3283 (current_function_anonymous_args): Likewise.
3284 (sh_deferred_function_attributes): New variable.
3285 (sh_deferred_function_attributes_tail): Likewise.
3286 (print_operand): For '@', look up trap_exit attribute.
3287 (calc_live_regs): Look up trapa_handler attribute. For trapa
3288 handlers, save/restore fpscr, but don't do any other
3289 interrupt-specific saves.
3290 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
3291 Fix check for partially saved registers to check for SHmedia.
3292 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
3293 (sh_output_function_epilogue): Don't clear any of the removed
3295 (sh_insert_attributes): Don't check pragma_interrupt.
3296 Insert deferred attributes. Check that interrupt attribute is
3297 present for other attributes that require its presence.
3298 (sh_attribute_table): Add new attributes trapa_handler and
3300 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
3301 Don't check for pragma_interrupt. Don't store argument.
3302 * sh.h (pragma_interrupt, sp_switch): Don't declare.
3303 (sh_deferred_function_attributes): Declare.
3304 (sh_deferred_function_attributes_tail): Likewise.
3305 * sh.md (sp_switch_1): Add operand. Change generator caller.
3306 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
3307 (*return_i): Don't use when trap_exit attribute is in effect.
3308 (*return_trapa): New insn pattern.
3310 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
3311 setting c_target_objs and cxx_target_objs.
3312 * t-sh: Add rule for sh-c.o.
3314 2006-01-30 Richard Guenther <rguenther@suse.de>
3317 * gimplify.c (gimplify_target_expr): Handle easy cases
3318 without creating a temporary.
3320 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
3322 * vec.h (safe_grow): Remove duplicated line.
3324 2006-01-29 Diego Novillo <dnovillo@redhat.com>
3327 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
3328 (expand_omp): ... here.
3329 (expand_omp_parallel): Only remove barriers for combined
3330 parallel+workshare constructs.
3332 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
3336 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3337 * tree.c (build_qualified_type): Chain the new type to the original
3338 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3339 a POINTER_TYPE or a REFERENCE_TYPE respectively.
3340 (build_pointer_type_for_mode): Only return unqualified types.
3341 (build_reference_type_for_mode): Likewise.
3343 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
3345 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
3346 * Makefile.in (CXX_COMPAT_WARN): Define.
3347 * configure: Regenerate.
3349 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
3352 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
3355 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3357 * toplev.c: Fix thinko.
3359 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3360 Marcin Dalecki <martin@dalecki.de>
3362 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
3363 (push_srcloc): Use XNEW.
3364 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
3366 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3368 * df-core.c (df_set_blocks): Deleted all variable.
3370 2006-01-28 Ian Lance Taylor <ian@airs.com>
3372 * cgraphunit.c (cgraph_assemble_pending_functions): Call
3373 cgraph_output_pending_asms.
3375 2006-01-28 Zack Weinberg <zackw@panix.com>
3377 * c.opt: Add -W(no-)overlength-strings.
3378 * doc/invoke.texi: Document it.
3379 * c-opts.c (c_common_handle_option): -pedantic implies
3380 -Woverlength-strings, if not explicitly disabled already.
3381 (c_common_post_options): -Woverlength-strings defaults to off, and
3382 is always off for C++.
3383 * c-common.c (fix_string_type): Issue warning about strings longer
3384 than is portable only if warn_overlength_strings. Rearrange code
3385 a little for clarity.
3386 * configure.in: Check for -Wno-overlength-strings as well before
3387 enabling -pedantic in stage 1.
3388 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
3389 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
3391 * genconditions.c (write_header, write_one_condition)
3392 (write_conditions, write_writer): Consolidate very long strings
3393 that were broken up to fit in C89 portable limit. Don't use
3394 printf when fputs will do.
3396 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
3398 * combine.c (simplify_comparison <AND>): Check
3399 TRULY_NOOP_TRUNCATION before start using a subreg.
3401 * config/mips/mips.md (*branch_zero<mode>,
3402 *branch_zero<mode>_inverted, *branch_equality<mode>,
3403 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
3404 Remove mode check from comparisons.
3406 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
3408 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
3410 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3412 * expmed.c (const_mult_add_overflow_p): Remove.
3413 * expr.h: Remove the prototype for const_mult_add_overflow_p.
3415 * recog.c (validate_replace_rtx_subexp): Remove.
3416 * recog.h: Remove the prototype for
3417 validate_replace_rtx_subexp.
3419 * integrate.h: Remove the prototype for
3420 copy_decl_for_inlining.
3421 * rtl.h: Remove the prototype for mark_constant_function.
3422 * tree-vectorizer.h: Remove the prototype for
3423 vect_strip_conversion.
3425 * modulo-sched.c (create_partial_schedule,
3426 free_partial_schedule, reset_partial_schedule): Make them
3429 * hooks.c (hook_bool_rtx_int_false): Remove.
3430 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
3432 2006-01-28 David Edelsohn <edelsohn@gnu.org>
3434 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3435 and -mlong-double-128 are incompatible.
3436 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
3437 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
3438 (TARGET_LIBGCC2_CFLAGS): Define.
3439 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
3440 (TARGET_LIBGCC2_CFLAGS): Same.
3441 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
3443 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3446 * c-typeck.c (build_binary_op): Perform implicit casts of
3447 operands before shortening them.
3449 * cfgloopmanip.c (split_loop_bb): Remove.
3450 * cfgloop.h: Remove the prototype for split_loop_bb.
3452 * cfgloop.c (flow_loop_outside_edge_p): Remove.
3453 * cfgloop.h: Remove the prototype for
3454 flow_loop_outside_edge_p.
3456 * emit-rtl.c (init_virtual_regs): Make it static.
3457 * function.h: Remove the prototype for init_virtual_regs.
3459 * recog.c (peephole2_optimize): Make it static.
3460 * recog.h: Remove the prototype for peephole2_optimize.
3462 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3464 * df-scan.c (df_record_entry_block_defs): Check if
3465 INCOMING_RETURN_ADDR_RTX is defined.
3467 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
3468 Kenneth Zadeck <zadeck@naturalbridge.com>
3470 PR rtl-optimization/24762
3471 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3472 * targhooks.c (hook_void_bitmap): New hook prototype.
3473 * targhoohs.h (hook_void_bitmap): Ditto.
3474 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
3475 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
3476 * target.h (live_on_entry): New function pointer.
3477 * df-scan.c (df_all_hard_regs): Removed.
3478 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
3479 (df_scan_free_internal): Added df->entry_block_defs.
3480 (df_scan_alloc): Ditto.
3481 (df_scan_dump): Ditto.
3482 (df_uses_record): Plumbed flag field properly thru calls.
3483 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
3484 This part fixes PR24762.
3485 (df_bb_refs_record): Added code to make the frame and arg
3486 pointers live in EH blocks.
3487 (df_refs_record): Added call to df_record_entry_block_defs.
3488 (df_record_entry_block_defs): New function.
3489 * df-core.c: Added comments to describe new artifical defs.
3490 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
3491 (entry_block_defs): New field in struct df.
3492 (df_all_hard_regs): Deleted.
3493 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3494 * df-problems.c (df_ru_bb_local_compute_process_def):
3495 Added code to handle artifical defs in the entry to a function.
3496 (df_ru_bb_local_compute): Ditto.
3497 (df_rd_bb_local_compute_process_def): Ditto.
3498 (df_rd_bb_local_compute): Ditto.
3499 (df_lr_bb_local_compute): Ditto.
3500 (df_ur_bb_local_compute): Ditto.
3501 (df_urec_bb_local_compute): Ditto.
3502 (df_chain_create_bb): Ditto.
3503 (df_ur_local_finalize): Removed entry.
3504 (df_urec_init): Ditto.
3505 (df_urec_local_finalize): Ditto.
3506 (df_ri_bb_compute): Added detection of last use of pseudos.
3507 * Makefile.in (df-scan.o): Updated dependencies.
3508 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
3509 * config/mips/mips.c (mips_set_live_on_entry): Added.
3510 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
3512 * dce.c (marked_insn_p): Added code to handle artifical defs.
3514 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3516 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
3518 (_mm_cvtsi128_si64): Likewise.
3519 (_mm_cvtsd_si64): Likewise.
3520 (_mm_cvttsd_si64): Likewise.
3521 (_mm_cvtsi64_sd): Likewise.
3522 (_mm_cvtsi64_si128): Likewise.
3523 * config/i386/mmintrin.h (_m_from_int64): Likewise.
3524 (_mm_cvtsi64_m64): Likewise.
3525 (_m_to_int64): Likewise.
3526 (_mm_cvtm64_si64): Likewise.
3527 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
3528 (_mm_cvttss_si64): Likewise.
3529 (_mm_cvtsi64_ss): Likewise.
3530 (_mm_cvtss_f32): Likewise.
3532 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
3534 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
3535 for pragma redefine_extname.
3537 2006-01-27 Jakub Jelinek <jakub@redhat.com>
3540 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
3541 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
3542 -mno-minimal-toc to previous content.
3543 (bispecs): Remove goal.
3544 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
3545 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
3546 compatibility aliases on powerpc-*-*gnu*.
3547 * config/rs6000/libgcc-ppc-glibc.ver: New file.
3548 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
3549 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
3550 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
3551 (ldblspecs): New goal.
3552 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
3553 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
3555 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
3556 L_sf_to_tf or L_df_to_tf is defined.
3558 2006-01-27 David Edelsohn <edelsohn@gnu.org>
3559 Alan Modra <amodra@bigpond.net.au>
3562 * config/rs6000/linux.h (POWERPC_LINUX): Define.
3563 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
3564 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
3565 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
3566 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
3567 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
3568 (rs6000_override_options): Initialize rs6000_ieeequad.
3569 Initialize TFmode format to ibm_extended_format if not
3571 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
3573 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
3574 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
3575 (function_arg_advance): IBM long double passed in two FPRs, not
3577 (function_arg): IBM long double passed in FPRs.
3578 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
3579 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
3580 Only multireg GPR aligned.
3581 (rs6000_init_libfuncs): Enable IBM long double functions if not
3583 (rs6000_generate_compare): Use IBM long double compare if not
3585 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
3586 (TARGET_IEEEQUAD): Define.
3587 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
3588 not TARGET_IEEEQUAD.
3589 * config/rs6000/rs6000.md: Enable TFmode patterns if
3591 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
3592 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3593 and -mlong-double-128 are incompatible.
3594 * doc/invoke.texi (-mabi): Collect options together. Add
3595 ibmlongdouble and ieeelongdouble.
3597 2006-01-27 Richard Sandiford <richard@codesourcery.com>
3599 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
3601 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
3602 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
3603 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
3604 * rtl.h (rtunion_def): Remove rt_ptr.
3606 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
3607 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
3608 * config/i386/winnt.c (i386_pe_mark_dllexport)
3609 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
3611 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
3613 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
3615 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3619 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
3620 pthread_key_delete. From John David Anglin. gthrw-ify
3621 pthread_getunique_np only if it it's not a macro. Delete
3623 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
3624 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
3625 __gthread_objc_condition_signal, __gthread_key_delete): Add
3626 "__attribute__ ((__unused__))" to unused arguments.
3627 (__gthread_recursive_mutex_init_function): Add missing return.
3628 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
3629 gthr-posix95.h: Use macro-based approach for name redirection
3630 on targets missing weakref.
3632 2006-01-26 Zack Weinberg <zackw@panix.com>
3634 * genconditions.c (write_header): In generated code, #ifdef out
3635 all includes and fake declarations, except includes of bconfig.h
3636 and system.h, unless GCC_VERSION >= 3001. Do not include
3637 gensupport.h in any case.
3638 (write_conditions): Generate a definition of struct c_test. Add
3639 a comment to the generated #endif.
3640 (write_one_condition): Escape backslashes in string too.
3641 (write_writer): Generated code must escape backslashes and quote
3642 marks (but not newlines) in the strings it writes.
3643 * Makefile.in (build/gencondmd.o): Update dependencies.
3645 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3648 * Makefile.in (insn-automata.o): Add header file dependencies.
3649 * genautomata.c: Add includes.
3651 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3654 * Makefile.in (insn-automata.o): Add -Wno-error flag.
3656 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3658 * configure.ac: Expect target tools paths to be passed from the toplevel
3659 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
3661 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
3663 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3666 * c.opt (Wpointer-sign): Init to -1.
3667 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
3668 OPT_pedantic, to 0 otherwise.
3669 * doc/invoke.texi: Update.
3671 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3673 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
3674 constants provided by 80387 instructions in the destination mode.
3676 2006-01-26 Richard Guenther <rguenther@suse.de>
3677 Andrew Pinski <pinskia@physics.uc.edu>
3680 partial PR tree-opt/17064
3681 * tree-ssa-structalias.c (intra_create_variable_infos):
3682 Create heap variables for incoming parameters if
3683 flag_argument_noalias > 1.
3684 (find_what_p_points_to): Look through default defs of
3687 2006-01-26 Jeff Law <law@redhat.com>
3690 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
3691 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
3692 within the VR_RANGE, use the VR_RANGE as the result, not the
3694 (adjust_range_with_scev): Reject ranges from SCEV which are out of
3695 bounds for the type.
3697 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
3699 * tree-ssa-alias.c (maybe_create_global_var): Change
3700 subvar walking to an assertion that we don't have subvar'd variables.
3702 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
3705 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
3706 Use a new variable, inner. PARM_DECLs are always non-weak.
3708 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
3710 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
3713 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
3715 * config/mips/mips.md (*clear_upper32): New combiner pattern.
3717 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
3719 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
3720 (smax_insn, smin_insn, smax_0, smin_0): New.
3722 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
3725 * config/cris/cris.c (cris_order_for_addsi3): New function.
3726 * config/cris/cris-protos.h: Prototype it.
3727 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
3728 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
3729 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
3730 (split for "op.S1 [rx=rx+i],ry (swapped)")
3731 (split for "op(s|u).S1 [rx=rx+i],ry")
3732 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
3733 Apply cris_order_for_addsi3 when generating addsi3 insns.
3735 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3737 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
3738 (TREE_BLOCK): Add call to EXPR_CHECK.
3740 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3743 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
3744 * tree-pretty-print.c (dump_omp_clause): Extract from ...
3745 (dump_omp_clauses): ... here.
3746 (dump_generic_node): Handle OMP_CLAUSE.
3747 * tree.c (omp_clause_num_ops): New.
3748 (omp_clause_code_name): New.
3749 (tree_code_size): Handle OMP_CLAUSE.
3750 (tree_size): Likewise.
3751 (make_node): Document handling of OMP_CLAUSE.
3752 (tree_node_structure): Handle OMP_CLAUSE.
3753 (omp_clause_check_failed): New.
3754 (omp_clause_range_check_failed): New.
3755 (omp_clause_operand_check_failed): New.
3756 (build_omp_clause): New.
3757 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
3758 * tree.h (enum omp_clause_code): Declare.
3759 (OMP_CLAUSE_SUBCODE_CHECK): Define.
3760 (OMP_CLAUSE_RANGE_CHECK): Define.
3761 (OMP_CLAUSE_ELT_CHECK): Define.
3762 (omp_clause_check_failed): Declare.
3763 (omp_clause_operand_check_failed): Declare.
3764 (omp_clause_range_check_failed): Declare.
3765 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
3766 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
3767 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
3768 (OMP_CLAUSE_LASTPRIVATE): Likewise.
3769 (OMP_CLAUSE_IF_EXPR): Likewise.
3770 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
3771 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
3772 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
3773 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
3774 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
3775 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
3776 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
3777 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
3778 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
3779 (OMP_CLAUSE_CODE): Define.
3780 (OMP_CLAUSE_SET_CODE): Define.
3781 (OMP_CLAUSE_CODE): Define.
3782 (OMP_CLAUSE_OPERAND): Define.
3783 (struct tree_omp_clause): Declare.
3784 (union tree_node): Add field 'omp_clause'.
3785 * treestruct.def (TS_OMP_CLAUSE): Define.
3786 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
3787 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
3788 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
3789 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
3790 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
3791 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
3792 (OMP_CLAUSE): Define.
3793 * print-tree.c (print_node): Handle OMP_CLAUSE.
3794 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
3795 * c-typeck.c: Likewise.
3796 * gimplify.c: Likewise.
3797 * c-omp.c: Likewise.
3798 * tree-nested.c: Likewise.
3799 * tree-inline.c: Likewise.
3800 * c-parser.c: Likewise.
3801 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
3804 2006-01-25 Roger Sayle <roger@eyesopen.com>
3806 PR rtl-optimization/25703
3807 * combine.c (try_combine): Handle zero_extract and strict_low_part
3808 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
3810 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
3812 * global.c: Fix comment typos.
3814 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
3817 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
3818 Use output_addr_const instead of assemble_name.
3820 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
3822 * Makefile.in (sched-vis.o): Update dependencies.
3823 * haifa-sched.c (sched_finish): Clear current_sched_info.
3824 * cfg.c (dump_bb_info): New, split from dump_flow_info.
3825 (dump_flow_info): Call it.
3826 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
3828 * basic-block.h (dump_bb_info): Declare.
3829 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
3830 option, and apply options only for dump files whose TDF_RTL,
3831 TDF_TREE, or TDF_IPA bits match.
3832 * rtl.h: Declare new functions exported from sched-vis.c.
3833 * sched-vis.c: Enable also if scheduling is not used.
3834 (print_value): Print the mode of registers if not inside scheduling.
3835 (print_insn): Make it work outside the scheduler. Beautify the output
3837 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
3839 2006-01-25 Richard Sandiford <richard@codesourcery.com>
3841 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
3842 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
3843 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
3844 depending on the value of CONSTANT_POOL_ADDRESS_P.
3845 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
3847 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
3848 rather than SYMBOL_REF_DECL.
3849 (rtx_constant_pool): Remove const_rtx_sym_htab.
3850 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
3851 (init_varasm_status): Don't initialize const_rtx_sym_htab.
3852 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
3853 Remove handling of const_rtx_sym_htab.
3854 (find_pool_constant): Delete.
3855 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
3856 rather than find_pool_constant.
3857 (get_pool_constant_for_function): Delete.
3858 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
3860 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
3861 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
3862 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
3863 (SYMBOL_REF_CONSTANT): New macro.
3864 (get_pool_constant_for_function): Delete.
3865 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
3866 rather than SYMBOL_REF_DECL.
3867 (i386_pe_mark_dllimport): Likewise.
3868 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
3869 rather than SYMBOL_REF_DECL.
3870 * config/darwin.c (machopic_indirect_data_reference): Likewise.
3871 (machopic_indirect_call_target): Likewise.
3873 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
3875 * flow.c (delete_noop_moves): Add missing EOL to dump message.
3877 2006-01-25 Richard Sandiford <richard@codesourcery.com>
3879 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
3881 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
3883 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
3885 2006-01-24 David Daney <ddaney@avtrex.com>
3888 * configure.ac (enable_tls): New enable option.
3889 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
3890 * configure: Regenerate.
3891 * doc/install.texi (--enable-tls): Document new option.
3892 (--disable-tls): Ditto.
3894 2006-01-24 Richard Henderson <rth@redehat.com>
3896 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
3897 * alias.c (true_dependence): Respect it.
3898 (canon_true_dependence, write_dependence_p): Likewise.
3899 * builtins.c (get_builtin_sync_mem): Set it.
3901 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
3903 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
3906 2006-01-24 DJ Delorie <dj@redhat.com>
3908 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
3909 for storing constants in single-bit bitfields.
3911 2006-01-25 Ben Elliston <bje@au.ibm.com>
3913 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
3915 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
3918 * tree-ssa-pre.c (phi_translate): Return NULL
3919 for AGGREGATE_TYPE's.
3921 2006-01-24 Zack Weinberg <zackw@panix.com>
3923 * genautomata.c (process_state_for_insn_equiv_partition):
3924 Use xcalloc for insn_arcs_array.
3925 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
3926 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
3928 2006-01-24 Richard Henderson <rth@redhat.com>
3930 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
3933 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
3935 PR rtl-optimization/25890
3936 PR rtl-optimization/25905
3937 * combine.c (expand_compound_operation, expand_field_assignment):
3938 Fail if the bitfield's final position is out of bounds.
3940 2006-01-24 Ian Lance Taylor <ian@airs.com>
3943 * cgraphunit.c (cgraph_output_in_order): Don't clear
3944 cgraph_asm_nodes until after asm strings have been output.
3946 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
3948 * fix-header.c (read_scan_file): Add new parameter imultilib when
3949 calling register_include_chains.
3951 2006-01-23 Diego Novillo <dnovillo@redhat.com>
3953 * omp-low.c: Update documentation.
3955 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
3956 Daniel Berlin <dberlin@dberlin.org>
3960 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
3961 return from the function.
3963 2006-01-22 Zack Weinberg <zackw@panix.com>
3965 * rtl.def (match_code): Add second argument.
3966 * genpreds.c (write_extract_subexp): New function.
3967 (write_match_code): Add path argument. Use write_extract_subexp.
3968 (write_predicate_expr): Pass path to write_match_code.
3969 (mark_mode_tests): MATCH_CODE applied to a subexpression does
3970 not perform a mode test.
3971 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
3972 a subexpression does not constrain the top-level code set.
3973 * read-rtl.c (read_rtx_variadic): New function.
3974 (read_rtx_1): Use it; allow AND and IOR to be variadic.
3975 * doc/md.texi: Document new notation.
3976 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
3977 (cmpsi_operand): ... here, using new notation.
3979 2006-01-22 Zack Weinberg <zackw@panix.com>
3981 * varray.c: Remove GENERATOR_FILE #ifdefs.
3983 2006-01-22 Zack Weinberg <zackw@panix.com>
3985 * genautomata.c (output_reserved_units_table): Emit nothing if
3986 description->query_units_num is zero. Remove extra blank line.
3987 (output_cpu_unit_reservation_p): Short circuit
3988 if description->query_units_num is zero.
3990 2006-01-22 Zack Weinberg <zackw@panix.com>
3992 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
3993 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
3994 nor any of the random handful of variables that used to be necessary
3995 when this program was linked with rtlanal.o. Prune set of forward
3996 function declarations.
3997 (struct attr_desc): Remove static_p field.
3998 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
3999 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
4000 (attr_string): Do not read the character one past the length of
4002 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
4003 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
4004 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
4005 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
4006 (make_automaton_attrs): New.
4007 (main): Do not call into genautomata. Call local gen_bypass
4008 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
4009 Remove special case for insn_alts.
4010 * genautomata.c: Include gensupport.h; not genattrtab.h nor
4011 varray.h (leftover from previous change). Prune set of forward
4012 function declarations. Remove state_alts fields from all
4013 structures. Remove state_alts_table from struct automaton.
4014 Make everything except main static. Do not maintain num_dfa_decls.
4015 Do not maintain state_alts fields of various structures.
4016 (process_decls): Don't validate condexp for dm_insn_reserv decls.
4017 (add_arc): Remove state_alts argument. All callers updated.
4018 (output_reserved_units_table): Emit #ifdef here...
4019 (output_tables): ...not here. Don't generate state_alts tables.
4020 (expand_automata): Don't generate attributes.
4021 (write_automata): Don't generate state_alts functions.
4022 (main): New function.
4023 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
4024 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
4025 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
4026 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
4027 (BYPASS_P_FUNC_NAME, output_state_alts_table)
4028 (output_automata_list_state_alts_code, output_internal_state_alts_func)
4029 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
4030 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
4032 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
4033 * genattrtab.h: Delete file.
4034 * Makefile.in (OBJS-common): Add insn-automata.o.
4035 (insn-automata.o): New rule.
4036 (simple_generated_c): Add insn-automata.c.
4037 (build/genattrtab.o, build/genautomata.o): Update dependencies.
4038 (genprogmd): Add automata.
4039 (build/genattrtab): Needs no extra objects nor libraries.
4040 (build/genautomata): Needs build/vec.o and -lm.
4042 2006-01-22 Zack Weinberg <zackw@panix.com>
4044 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
4045 (output_dfa_max_issue_rate, locked_states_num): Delete.
4046 (struct automaton): Add locked_states field.
4047 (output_dead_lock_vect): Save number of locked states in
4048 automaton->locked_states. If it is zero, don't print anything.
4049 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
4050 (output_internal_dead_lock_func): Only test the dead_lock_vect
4051 for automata that have locked states.
4052 (output_statistics): Always print the number of locked states for
4053 each automaton. Calculate total number of locked states here.
4054 (write_automata): Don't call output_dfa_max_issue_rate.
4055 * genattrtab.c: Define length_unit_log as a const variable.
4056 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
4057 max_insn_queue_index const.
4058 * final.c (length_unit_log): Declare const.
4059 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
4061 2006-01-22 Zack Weinberg <zackw@panix.com>
4063 * genautomata.c: Include vec.h, not varray.h.
4064 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
4065 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
4066 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
4067 VEC_* macros operating on appropriately typed vectors, or to
4068 malloced arrays when the size is known in advance. Const-ify
4069 many char* variables and function arguments. No functional changes.
4070 * Makefile.in (build/varray.o): Delete rule.
4071 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
4072 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
4074 2006-01-22 Zack Weinberg <zackw@panix.com>
4076 * gensupport.c: Define get_insn_name and record_insn_name here.
4077 (read_md_rtx): Call record_insn_name as appropriate.
4078 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
4079 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
4080 * genpreds.c, genrecog.c: Don't define get_insn_name nor
4082 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
4083 (BUILD_VARRAY): Delete.
4084 (genprognormal): Rename genprogmd. Fold in all programs from
4085 genprognoprint; also attrtab.
4086 (build/genattrtab): Just mention genautomata.o and varray.o.
4087 Reorganize a bit, add comments to make the categories clearer.
4089 2006-01-22 Zack Weinberg <zackw@panix.com>
4091 * genconditions.c (condition_table, add_condition): Delete.
4092 (write_conditions): Don't emit n_insn_conditions nor
4093 insn_elision_unavailable. Issue the gcc version #ifdef here,
4094 inside the table, with no #else clause ...
4095 (write_header): ...not here.
4096 (write_writer): New function.
4097 (main): Don't initialize condition_table. Use add_c_test.
4099 * gensupport.c (init_md_reader_args_cb): Handle multiple input
4100 files on the command line.
4101 (maybe_eval_c_test): Don't check insn_elision_unavailable.
4102 Return -1 if there is no entry in the table, don't abort.
4103 (add_c_test, traverse_c_tests): New functions.
4104 * gensupport.h (insn_elision_unavailable, insn_conditions)
4105 (n_insn_conditions): Delete declarations.
4106 (add_c_test, traverse_c_tests): Declare.
4107 * read-rtl.c: Include gensupport.h.
4108 (read_conditions): New function.
4109 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
4110 (read_rtx_1): If we get EOF when we were looking for an initial
4111 open paren, return 0. Call read_conditions when appropriate.
4112 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
4113 dummy-conditions.o. Eliminate references to insn-conditions.o,
4114 or change them to build/gencondmd.o, as appropriate. Remove
4115 insn-constants.h from $(simple_generated_h) and insn-conditions.c
4116 from $(simple_generated_c). For all files remaining in those
4117 two lists, add insn-conditions.md to the generator command line.
4118 Give insn-constants.h/s-constants their own rules. Add rules
4119 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
4120 (build/read-rtl.o): Depend on gensupport.h.
4121 (genprognormal): Include preds.
4122 (genprogearly): Rename genprognoprint; only difference is now that
4123 they don't link with $(BUILD_PRINT).
4124 * dummy-conditions.c: Delete.
4126 2006-01-22 Zack Weinberg <zackw@panix.com>
4128 * genextract.c: Don't include insn-config.h. Do include vec.h.
4129 Declare vectors of int, char, and locstr.
4130 (locstr): New typedef.
4131 (struct extraction): Make all array fields into bare pointers.
4132 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
4133 (insn_code_number): Delete.
4134 (accum_extract): New struct.
4135 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
4136 (gen_insn): Take insn_code_number as an argument. Use an
4137 accum_extract structure instead of loading data directly into
4138 a struct extraction, and having to know how big it might get.
4139 (walk_rtx): Operate entirely on an accum_extract structure.
4140 (print_path): Avoid unnecessary use of printf.
4141 (print_header): New function, split out of main. Distinguish
4142 more carefully between an unrecognizable insn and an insn that
4143 has the code number of a define_expand.
4144 (main): Pass insn_code_number to gen_insn. Call print_header
4145 only after parsing. Avoid unnecessary use of printf.
4146 * Makefile.in (build/vec.o): New rule.
4147 (build/genextract): Depend on build/vec.o.
4148 (build/genextract.o): Don't depend on insn-config.h.
4150 2006-01-22 Zack Weinberg <zackw@panix.com>
4152 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
4153 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
4154 practical. Eliminate per-generator-program link rules.
4156 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
4159 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4160 with a call expr to ...
4161 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4163 2006-01-23 Richard Guenther <rguenther@suse.de>
4165 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
4166 before make_edge with conditional EDGE_TRUE_VALUE.
4168 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
4169 Jan Hubicka <jh@suse.cz>
4170 Richard Guenther <rguenther@suse.de>
4172 PR rtl-optimization/25654
4173 * cfgexpand.c (aggregate_contains_union_type): New function.
4174 (add_alias_set_conflicts): Call it. Make sure to add conflicts
4175 for structure variables that contain a union type.
4177 2006-01-23 Richard Sandiford <richard@codesourcery.com>
4179 * gengtype.c (new_structure): Return the structure.
4180 (create_option): Add an extra "next" argument.
4181 (create_field): New function.
4182 (adjust_field_rtx_def): Use create_option and create_field.
4183 Remove a now-unnecessary call to find_structure.
4184 (adjust_field_tree_def): Likewise.
4185 (note_yacc_type): Remove an unnecessary call to find_structure.
4186 * gengtype.h (new_structure): Return the structure.
4187 (create_option): Add an extra argument.
4188 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
4189 (option): Adjust calls to create_option.
4191 2006-01-22 David Edelsohn <edelsohn@gnu.org>
4193 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
4195 2006-01-22 Paul Brook <paul@codesourcery.com>
4196 Peter Barada <peter@the-baradas.com>
4198 * config/m68k/m68k.md: Add Coldfire FPU support.
4199 Define FP mode macro and associated attributes.
4200 Use it for float mode patterns.
4201 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
4202 (LIBCALL_VALUE): Use m68k_libcall_value.
4203 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
4204 (m68k_function_value): Ditto.
4205 (emit_move_sequence): Ditto.
4206 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
4207 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
4208 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
4209 (MULTILIB_EXCEPTIONS): Ditto.
4210 * config/m68k/m68k.opt: Add mcfv4e.
4211 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
4212 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
4213 (m68k_output_function_prologue): Save ColdFire FPU registers.
4214 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
4215 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
4216 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
4217 ColdFire FPU registers.
4218 (m68k_libcall_value, m68k_function_value): New functions.
4219 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
4220 (LIBCALL_VALUE): Use m68k_libcall_value.
4221 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
4222 (MASK_COLDFIRE): Add MASK_CFV4E.
4223 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
4224 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
4225 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
4226 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
4227 (GO_IF_LEGITIMATE_ADDRESS): Use it.
4228 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
4229 * doc/invoke.tex: Document -mcfv4e on m68k.
4231 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
4233 * doc/contribute.texi: Change CVS to SVN and update the corresponding
4236 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
4239 * c-opts.c (c_common_handle_option): Don't include
4240 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
4241 * doc/invoke.texi (C++ Dialect Options): Document that
4242 -Wnon-virtual-dtor is no longer included in -Wall.
4244 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
4246 * gcov.c (print_version), gcov-dump.c (print_version),
4247 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
4250 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
4252 * df-scan.c (problem_SCAN): Added NULL reset function.
4253 (df_scan_reset_blocks): Added code to call reset block function
4254 (df_bb_refs_delete) Fixed comment.
4255 (df_insn_refs_delete): Made tolerant of deleting non existent info
4256 for dataflow problems that need to be reset.
4257 * df-core.c (df_set_blocks): Ditto.
4258 * df.h (struct df_problem): Added reset_fun.
4259 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
4260 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
4261 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
4262 functions to clear out all references to def-use or use-def chains.
4264 2006-01-21 Ben Elliston <bje@au.ibm.com>
4266 * varasm.c (assemble_real): Initialise data array.
4268 2006-01-20 Paul Brook <paul@codesourcery.com>
4270 Merge from csl-arm-branch.
4271 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
4272 * config/arm/arm.md (movdi): Force operands[1] to a register
4273 if we have a non-register source.
4274 (*arm_movdi, *movdf_soft_insn): Require that one of the
4275 operands be a register.
4276 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
4277 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
4279 2006-01-20 DJ Delorie <dj@redhat.com>
4281 * varasm.c (initialize_constant_valid_p): Allow pointers
4282 initialized from integer constants of lesser precision.
4283 (output_constant): Allow non-int-sized pointer modes to be
4284 initialized from integer constants.
4286 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
4289 * cppdefault.h (struct default_include): Add multilib flag.
4290 * cppdefault.c (cpp_include_defaults): Set it.
4291 * c.opt (-imultilib): New option.
4292 * c-opts.c (imultilib): New.
4293 (c_common_handle_option): Handle -imultilib.
4294 (c_common_post_options): Likewise.
4295 * c-incpath.c (add_standard_paths, register_include_chains):
4297 * c-incpath.h (register_include_chains): Add extra parameter.
4298 * gcc.c (do_spec_1): Generate -imultilib option.
4299 (The Specs Language): Update %I description.
4300 (process_command): Update copyright notice.
4301 * doc/cppopts.texi (-imultilib): Document.
4302 * doc/invoke.texi (-imultilib): Include in option summary.
4303 (%I): Update specs documentation.
4305 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4307 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
4309 2006-01-20 Richard Sandiford <richard@codesourcery.com>
4311 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
4314 2006-01-20 Richard Guenther <rguenther@suse.de>
4315 Steven Bosscher <stevenb.gcc@gmail.com>
4317 PR rtl-optimization/24626
4318 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
4319 EDGE_TRUE_VALUE if in RTL mode.
4322 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
4323 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
4325 2006-01-20 Dirk Mueller <dmueller@suse.com>
4328 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
4329 instead of a special NOP marker.
4330 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
4331 NOP marker handling.
4332 * c-common.h (empty_body_warning): Add forward declaration.
4333 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
4334 Now uses IS_EMPTY_STMT() instead of special NOP markers.
4336 2006-01-20 Paul Brook <paul@codesourcery.com>
4338 * Makefile.in (lang_checks): Keep going if mkdir fails.
4340 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4342 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
4343 be able to clean out basic block when not necessary.
4344 (df_scan_free): Fixed to properly delete information if df is
4345 unused before calling df_finish.
4346 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
4347 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
4349 (df_bb_refs_delete): New function.
4350 (df_refs_delete): Moved per block code to df_bb_refs_delete.
4351 * df-core.c (df_set_blocks): Added code to properly clean out
4352 unused blocks if they are not part of the blocks to consider.
4353 Added additional null check.
4354 (df_compact_blocks): Added basic block parameter to free_bb_fun to
4355 be able to clean out basic block when not necessary
4356 * df.h (df_free_bb_function): Ditto.
4357 (df_bb_refs_delete): New function.
4358 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
4359 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
4360 basic block parameter to be able to clean out basic block when not
4362 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
4363 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
4364 Fixed to properly delete information if df is unused before
4367 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4369 PR rtl-optimization/25799
4370 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
4371 Corrected confluence operator to remove bits from op2 before oring
4372 with op1 rather than removing bits from op1.
4373 (df_ru_transfer_function): Corrected test on wrong bitmap which
4374 caused infinite loop. Both of these problems were introduced in
4375 the dataflow rewrite.
4377 2006-01-19 DJ Delorie <dj@redhat.com>
4379 * reload1.c (find_reload_regs): Note the details of reload
4380 failures in the dump file.
4381 (spill_failure): Likewise.
4383 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4385 * loop-iv.c: Include df.h and hashtab.h.
4386 (enum iv_grd_result): New enum.
4387 (DF_REF_IV, DF_REF_IV_SET): New macros.
4388 (struct biv_entry): New.
4389 (df, bivs): New global variables.
4390 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
4391 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
4393 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
4394 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
4395 analyzed_for_bivness_p, record_biv): New functions.
4396 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
4397 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
4398 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
4400 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
4402 (iv_number_of_iterations): Use new interface to iv analysis.
4403 * loop-unroll.c: Do not include varray.h.
4404 (analyze_iv_to_split_insn): Use new interface to iv
4406 * loop-unswitch.c (may_unswitch_on): Ditto.
4407 * df.c (df_bitmaps_free): Only work for bbs for that structures are
4409 (df_bb_modify): Realloc tables to the new index.
4410 (df_find_use): New function.
4411 * df.h (df_find_use): Declare.
4412 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
4414 * cfgloop.h (struct rtx_iv): Remove analysed field.
4415 (iv_get_reaching_def): Removed.
4416 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
4417 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
4418 (loop-iv.o): Add df.h and hashtab.h dependency.
4419 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
4421 2006-01-20 Alan Modra <amodra@bigpond.net.au>
4424 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
4426 (__floatundisf, __floatundidf): Likewise.
4427 * libgcc2.h (IS_IBM_EXTENDED): Define.
4429 2006-01-19 DJ Delorie <dj@redhat.com>
4431 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
4433 2006-01-19 Paul Brook <paul@codesourcery.com>
4435 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
4436 as nothrow when unwinding tables are disabled.
4438 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4441 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
4442 of bit-field" when in system header.
4444 2006-01-19 DJ Delorie <dj@redhat.com>
4446 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
4447 the 16 bit shift limit of the m16c.
4449 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
4452 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
4453 * config/i386/i386.c (output_set_got): Output the label if we have one
4454 for the TARGET_DEEP_BRANCH_PREDICTION case.
4456 2006-01-19 Jan Hubicka <jh@suse.cz>
4457 H.J. Lu <hongjiu.lu@intel.com>
4458 Evandro Menezes <evandro.menezes@amd.com>
4460 * invoke.texi (generic): Document
4462 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
4463 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
4464 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
4465 (x86_use_incdec, x86_pad_returns): New variables
4466 (TARGET_CPU_DEFAULT_generic): New constant
4467 (TARGET_CPU_DEFAULT_NAMES): Add generic.
4468 (enum processor_type): Add generic32 and generic64.
4469 * i386.md (cpu attribute): Add generic32/generic64
4470 (movhi splitter): Behave sanely when both partial_reg_dependency and
4471 partial_reg_stall are set.
4472 (K8 splitters): Enable for generic as well.
4473 * predicates.md (incdec_operand): Use TARGET_INCDEC
4474 (aligned_operand): Avoid memory mismatch stalls.
4475 * athlon.md: Enable for generic64, new patterns for 128bit moves.
4476 * ppro.md: Enable for generic32
4477 * i386.c (generic64_cost, generic32_cost): New.
4478 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
4479 (x86_use_leave): Enable for generic64. (x86_use_sahf,
4480 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
4481 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
4482 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4483 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4484 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4485 x86_accumulate_outgoing_args, x86_prologue_using_move,
4486 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4487 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
4489 (x86_use_incdec, x86_pad_returns): New.
4490 (override_options): Add generic32 and generic64, translate "generic"
4491 to generic32/generic64 and "i686" to "generic32", refuse
4492 "generic32"/"generic64" as arch target.
4493 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
4494 (ix86_reorg): Honor PAD_RETURNS.
4496 2006-01-19 Diego Novillo <dnovillo@redhat.com>
4498 * tree-pretty-print.c (dump_generic_node): Handle
4499 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
4500 * cgraph.c (cgraph_expand_queue): Rename from
4501 cgraph_analyze_queue. Update all users.
4502 * cgraphunit.c (cgraph_assemble_pending_functions): Process
4503 cgraph_expand_queue.
4504 (cgraph_expand_all_functions): Likewise.
4505 (cgraph_finalize_pending_functions): Remove. Update callers.
4507 * tree.h (OMP_DIRECTIVE_P): Define.
4508 (OMP_PARALLEL_FN): Define.
4509 (OMP_PARALLEL_DATA_ARG): Define.
4510 (OMP_SECTIONS_SECTIONS): Define.
4511 * tree-pass.h (pass_expand_omp): Declare.
4512 * omp-low.c (struct omp_region): Declare.
4513 (struct omp_context): Remove fields 'parallel_type',
4514 'parallel_start_ix' and 'parallel_start_additional_args'.
4516 (struct omp_for_data): Rename from struct expand_omp_for_data.
4517 (omp_regions): New static variable.
4518 (root_omp_region): New static variable.
4519 (find_omp_clause): Make static.
4520 (is_in_combined_parallel_ctx): Remove.
4521 (is_combined_parallel): New.
4522 (extract_omp_for_data): Move earlier in the file.
4523 (workshare_safe_to_combine_p): New.
4524 (get_ws_args_for): New.
4525 (determine_parallel_type): Move earlier in the file.
4526 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
4528 (omp_copy_decl): Likewise.
4529 (create_omp_child_function): Likewise.
4530 (lookup_omp_region): New.
4531 (dump_omp_region): New.
4532 (debug_omp_region): New.
4533 (debug_all_omp_regions): New.
4534 (new_omp_region): New.
4535 (scan_omp_parallel): If parallel_nesting_level > 1, the
4536 directive is nested within another parallel directive.
4537 Set OMP_PARALLEL_FN.
4538 (scan_omp_for): Do not try to handle combined parallel+for
4540 Remove FIXME comment.
4541 (scan_omp_nested): Remove.
4542 (scan_omp_1): Do not call scan_omp_nested when
4543 parallel_nesting_level is > 1.
4544 Do not change the DECL_CONTEXT of local variables found.
4545 (lookup_decl_in_outer_ctx): New.
4546 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
4547 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
4548 (lower_reduction_clauses): Rename from expand_reduction_clauses.
4549 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
4550 If CTX is nested, lookup VAR in the outer context when
4551 building copy assignment.
4552 (lower_send_clauses): Rename from expand_send_clauses.
4553 If CTX is nested, lookup VAR in the outer context when
4554 building copy assignments.
4555 (lower_send_shared_vars): Rename from expand_send_shared_vars.
4556 If CTX is nested, lookup VAR in the outer context when
4557 building copy assignments.
4558 (expand_parallel_call): Rename from build_parallel_call.
4559 Handle combined parallel+workshare cases.
4560 Re-implement to emit code into the CFG.
4562 (expand_omp_parallel): Re-implement to emit code into the CFG.
4563 Call move_sese_region_to_fn to outline the sub-graph
4564 containing the parallel region.
4565 (expand_omp_for_1): Remove.
4566 (expand_omp_for_generic): Re-implement to emit code into the
4568 (expand_omp_for_static_nochunk): Likewise.
4569 (expand_omp_for_static_chunk): Likewise.
4570 (expand_omp_for): Likewise.
4571 (expand_omp_sections): Likewise.
4572 (remove_exit_barriers): New.
4573 (expand_omp_synch): New.
4575 (build_omp_regions_1): New.
4576 (build_omp_regions): New.
4577 (execute_expand_omp): New.
4578 (gate_expand_omp): New.
4579 (pass_expand_omp): Define.
4580 (lower_omp_sections): Rename from expand_omp_sections.
4581 Set OMP_SECTIONS_SECTIONS.
4582 (lower_omp_single_simple): Rename from expand_omp_single_simple.
4583 (lower_omp_single_copy): Rename from expand_omp_single_copy.
4584 (lower_omp_single): Rename from expand_omp_simple.
4585 (lower_omp_master): Rename from expand_omp_master.
4586 (lower_omp_ordered): Rename from expand_omp_ordered.
4587 (lower_omp_critical): Rename from expand_omp_critical.
4588 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
4589 (lower_omp_for): Re-implement.
4590 (lower_omp_parallel): Re-implement.
4591 (lower_regimplify): Rename from expand_regimplify.
4592 (lower_omp_1): Rename from expand_omp_1.
4593 If there are syntax errors in the program, replace every
4594 OpenMP directive with NOP.
4595 Call lower_omp_* instead of expand_omp_*.
4596 (lower_omp): Rename from expand_omp.
4598 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
4599 * tree-gimple.h (enum omp_parallel_type): Remove.
4600 (gimple_boolify): Declare extern.
4601 (find_omp_clause, determine_parallel_type): Remove.
4603 * gimple-low.c (lower_omp_directive): New.
4604 (lower_stmt): Call it.
4605 (record_vars_into): Move from ...
4606 (record_vars): ... here.
4607 Call record_vars_into with current_function_decl.
4609 * gimplify.c (struct gimplify_ctx): Remove fields
4610 combined_pre_p and combined_ctxp. Update users.
4611 (get_formal_tmp_var): Add documentation.
4612 (gimple_boolify): Make extern.
4613 (gimplify_expr_in_ctx): Remove. Update callers.
4614 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
4615 will always be a BIND_EXPR.
4616 (gimplify_expr): Handle OMP_RETURN_EXPR.
4617 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
4618 (OMP_PARALLEL): Add 3 operands.
4619 (OMP_SECTIONS): Add 1 operand.
4620 (OMP_RETURN_EXPR): Define.
4622 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
4623 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
4624 * tree-iterator.c (alloc_stmt_list): Assert that we are not
4625 creating a circular free list.
4626 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
4628 * tree-flow.h (move_sese_region_to_fn): Declare.
4629 (record_vars_into): Declare.
4630 * tree-cfg.c (make_omp_sections_edges): New.
4631 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
4632 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
4633 OMP_SECTIONS and OMP_SECTION.
4634 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
4635 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
4636 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
4637 (gather_blocks_in_sese_region): New.
4638 (struct move_stmt_d): Declare.
4640 (move_block_to_fn): New.
4641 (move_sese_region_to_fn): New.
4643 * passes.c (init_optimization_passes): Schedule
4644 pass_expand_omp after pass_init_datastructures.
4646 * tree-ssa-operands.c (get_expr_operands): Handle
4647 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
4648 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
4650 2006-01-19 Jeff Law <law@redhat.com>
4652 * tree-vrp.c (extract_range_from_assert): Refine the result range
4653 if the variable referenced by the ASSERT_EXPR has a range and
4654 either the tentative result range or the previous range is a
4657 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4659 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
4661 2006-01-19 Jan Hubicka <jh@suse.cz>
4663 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
4665 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
4667 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
4668 (expand_compound_operation, expand_field_assignment): Fail if the
4669 bit lengths of an extract operation are out of range.
4670 (make_extraction): Compute wanted_inner_mode based on the position
4671 and length of the extraction. Make it extraction_mode for non-constant
4672 positions, and do not modify offset in that case. When generating a
4673 new MEM, use a mode that can hold the extraction while keeping correct
4674 alignment. Remove code that supported MEMs wrapped by USEs.
4675 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
4677 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
4679 * config/s390/s390.md ("Y", "y"): New mode attribute.
4680 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
4681 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
4682 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
4683 "*addsi3_imm_cc", "*addsi3_carry1_cc",
4684 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
4685 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
4686 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
4687 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
4688 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
4689 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
4690 "addsi3", "subsi3"): Insn patterns removed.
4691 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
4692 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
4693 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
4694 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
4695 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
4696 "*sub<mode>3_cconly2"): New insn patterns.
4697 ("addsi3", "subsi3"): New expanders.
4699 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
4701 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
4702 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
4703 existing STMT_VINFO_VECTYPE if available.
4704 (vect_mark_relevant): Add special handling for stmts that are
4705 marked as STMT_VINFO_IN_PATTERN_P.
4706 (vect_analyze_loop): Call vect_pattern_recog.
4707 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
4708 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
4710 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
4711 (vect_recog_func_ptr): New function-pointer type.
4712 * tree-vect-patterns.c: New file.
4713 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
4714 (vect_recog_dot_prod_pattern, vect_pattern_recog):
4715 (vect_pattern_recog_1): New functions.
4716 (vect_pattern_recog_funcs): New array of function pointers.
4718 * tree-vectorizer.h (ternary_op): New enum value.
4719 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
4720 declaration. Revised documentation. Removed redundant dump prints.
4721 Removed redundant argument. Added support for reduction patterns.
4722 (vectorizable_reduction): Added support for reduction patterns.
4723 (vect_transform_stmt): Added support for patterns.
4725 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
4726 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
4727 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
4728 (expand_widen_pattern_expr): New function.
4729 (init_optabs): Initialize new optabs udot_prod_optab,
4731 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
4732 (sdot_prod_optab, udot_prod_optab): Define new optabs.
4733 (expand_widen_pattern_expr): New function declaration.
4734 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
4736 * tree-inline.c (estimate_num_insns_1): Added cases for new
4737 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4738 * tree-pretty-print.c (dump_generic_node): Likewise.
4739 (op_prio): Likewise.
4740 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4741 * tree-ssa-operands.c (get_expr_operands): Added case for
4743 * tree-vect-patterns.c (widened_name_p): New function.
4744 (vect_recog_dot_prod_pattern): Added function implementation.
4745 * tree-vect-transform.c (get_initial_def_for_reduction): Added
4746 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
4747 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
4748 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
4750 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
4751 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
4752 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
4753 (init_optabs): Initialize new optabs widen_ssum_optab,
4755 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
4756 (widen_ssum_optab, widen_usum_optab): Define new optabs.
4757 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
4758 use instead of type of def.
4759 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
4760 function implementation.
4761 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
4762 widen_ssumv8hi): New.
4764 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
4767 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4770 * c-decl.c (add_flexible_array_elts_to_size): New function.
4771 (finish_decl): Use it.
4773 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
4775 * diagnostic.h: Include options.h.
4776 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
4777 dependancies for diagnostic.h.
4778 * Makefile.in (DIAGNOSTIC_H): Add options.h.
4780 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
4782 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
4783 (ssa_ro_call_cache_valid): Ditto.
4784 * tree-ssa-alias.c (sort_tags_by_id): New function.
4785 (init_transitive_clobber_worklist): Ditto.
4786 (add_to_worklist): Ditto.
4787 (mark_aliases_call_clobbered): Ditto.
4788 (compute_tag_properties): Ditto.
4789 (set_initial_properties): Ditto.
4790 (compute_call_clobbered): Ditto.
4791 (compute_may_aliases): Call compute_call_clobbered and grouping.
4792 (compute_flow_sensitive_aliasing): Remove clobbering related code.
4793 (compute_flow_insensitive_aliasing): Grouping now happens in our
4795 (setup_pointers_and_addressables): Remove clobbering related code.
4796 (add_may_alias): Ditto.
4797 (replace_may_alias): Ditto.
4798 (get_nmt_for): Ditto.
4799 (create_global_var):
4800 (is_escape_site): Return an escape_type enumeration.
4801 * tree-flow-inline.h (is_call_clobbered): Global var does not
4802 imply call clobbered.
4803 (mark_call_clobbered): Take a reason for marking this. Remove
4804 marking of globalness, and cache invalidation.
4805 (clear_call_clobbered): Remove cache invalidation code.
4806 * tree-dfa.c (dump_variable): If details is on, dump the reason
4808 * tree-outof-ssa.c (create_temp): Copy escape mask from original
4810 * tree-flow.h (struct ptr_info_def): Add escape mask member.
4811 (struct var_ann_d): Ditto.
4812 (enum escape_type): New.
4813 (mark_call_clobbered): Adjust prototype.
4814 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
4815 are never call clobbered.
4816 Record reasons for escaping.
4817 * tree-ssa-structalias.h (is_escape_site): Update prototype.
4818 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
4819 (ssa_ro_call_cache_valid): Ditto.
4820 (clobbered_v_may_defs): Ditto.
4821 (clobbered_vuses): Ditto.
4822 (ro_call_vuses): Ditto.
4823 (clobber_stats): New.
4824 (init_ssa_operands): Zero out clobber stats.
4825 (fini_ssa_operands): Print out clobber stats.
4826 (get_call_expr_operands): Pass callee fndecl to
4828 (add_call_clobber_ops): Remove use of cache.
4829 Add use of PURE_CONST information.
4830 (add_call_read_ops): Remove use of cache.
4831 Add use of static not_read information.
4833 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
4835 Introduce TLS descriptors for i386 and x86_64.
4836 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
4837 (TARGET_ANY_GNU_TLS): New macro.
4838 (enum tls_dialect): Added TLS_DIALECT_GNU2.
4839 (struct machine_function): Add tls_descriptor_call_expanded_p.
4840 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
4841 (ix86_current_function_calls_tls_descriptor): Likewise.
4842 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
4843 (override_options): Introduce gnu2 tls dialect.
4844 (ix86_frame_pointer_required): Functions containing TLSCALLs are
4846 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
4848 (legitimize_tls_address): Adjust logic for GNU2 TLS.
4849 (ix86_init_machine_status): Initialize new field.
4850 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
4851 (ix86_tls_module_base): New.
4852 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
4853 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
4854 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
4855 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
4856 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
4857 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
4858 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
4859 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
4860 * config/i386/predicates.md (tls_modbase_operand): New.
4861 (tp_or_register_operand): New.
4863 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
4865 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
4866 (look_for_address_of): Ditto.
4867 (ipa_init): Walk the function decls.
4868 (static_execute): Don't set readonly on FUNCTION_DECL's.
4870 2006-01-18 Roger Sayle <roger@eyesopen.com>
4872 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
4873 for shifts where the source and destination registers are different.
4875 2006-01-18 Paul Brook <paul@codesourcery.com>
4877 Merge from csl-arm-branch.
4878 2005-03-14 Julian Brown <julian@codesourcery.com>
4879 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
4880 (aeabi_llsl): Likewise.
4881 (ashrdi3): Likewise.
4882 (aeabi_lasr): Likewise.
4883 (lshrdi3): Likewise.
4884 (aeabi_llsr): Likewise.
4885 2005-03-10 Julian Brown <julian@codesourcery.com>
4886 * config.gcc: Disable shared libgcc for SymbianOS.
4887 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
4889 2006-01-18 DJ Delorie <dj@redhat.com>
4891 * c-pragma.c (handle_pragma_diagnostic): New.
4892 (init_pragma): Register it.
4893 * doc/extend.texi: Document it.
4895 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
4896 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
4897 (diagnostic_context): Add classify_diagnostic[].
4898 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
4899 as errors if they're overridden to DK_WARNING.
4900 (diagnostic_initialize): Initialize classify_diagnostic[].
4901 (diagnostic_set_kind_override): New.
4902 (diagnostic_report_diagnostic): Check for kind changes.
4903 * opts.c (common_handle_option): Take lang_mask. Update callers.
4905 * common.opt (Werror=): New.
4906 * doc/invoke.texi: Document -Werror=*
4908 2006-01-18 Jeff Law <law@redhat.com>
4910 * tree-vrp.c (test_for_singularity): Correct test for new
4911 min limit. Use operand_equal_p rather than pointer equality
4912 for testing if new min/max values are equal.
4914 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
4915 using range information until after propagation and folding.
4917 2006-01-18 Richard Henderson <rth@redhat.com>
4918 Aldy Hernandez <aldyh@redhat.com>
4919 Jakub Jelinek <jakub@redhat.com>
4920 Diego Novillo <dnovillo@redhat.com>
4922 * omp-low.c: New file.
4923 * c-omp.c: New file.
4925 2006-01-18 Richard Henderson <rth@redhat.com>
4926 Jakub Jelinek <jakub@redhat.com>
4927 Diego Novillo <dnovillo@redhat.com>
4929 * doc/invoke.texi: Document -fopenmp.
4930 * tree-dump.h (debug_function): Declare.
4931 * hooks.c (hook_bool_tree_bool_false): New function.
4932 (hook_tree_tree_null): Remove.
4933 (hook_tree_tree_tree_null): New.
4934 * hooks.h: Update to match.
4935 * tree-pretty-print.c (debug_tree_chain): New.
4936 (print_generic_expr): Handle TDF_CHAIN.
4937 (dump_generic_node): Handle BLOCK.
4938 Do not abort with incomplete SWITCH_EXPRs.
4939 Do not dump body of an OpenMP directive if TDF_SLIM is given.
4940 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
4941 print space after directive name.
4942 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
4943 Handle OMP_MASTER and OMP_ORDERED.
4944 Handle printing of OMP_BODY just in one place, goto
4945 dump_omp_body in the rest of OMP_* nodes that have
4947 Don't handle clause nodes here. Update omp statements to
4948 use dump_omp_clauses.
4949 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
4950 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
4951 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
4952 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
4953 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
4954 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
4955 Adjust output for GOMP_PARALLEL.
4956 (dump_omp_clauses): New.
4957 (print_declaration): Dump DECL_VALUE_EXPR.
4958 (op_symbol_1): Split out of op_symbol.
4959 (dumping_stmts): Remove. Update all users.
4960 * cgraph.c (cgraph_analyze_queue): New.
4961 (cgraph_add_new_function): New.
4962 * cgraph.h (cgraph_analyze_queue): Declare.
4963 (cgraph_add_new_function): Declare.
4964 (cgraph_lower_function): Remove.
4965 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
4966 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
4967 and TYPE_P nodes in its default clause.
4968 (empty_body_p): New.
4969 (tree_range_check_failed): New.
4971 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
4972 OMP_CLAUSE_REDUCTION_MERGE,
4973 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
4974 OMP_CLAUSE_PRIVATE_DEBUG,
4975 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
4976 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
4977 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
4978 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
4979 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
4980 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
4981 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
4982 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
4983 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
4984 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
4985 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
4986 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
4987 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
4988 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
4989 (TREE_RANGE_CHECK): New.
4990 (empty_body_p): Declare.
4991 (enum omp_clause_default_kind): New.
4992 (build_string_literal): Declare.
4993 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
4994 (build5_stat, build5): Declare.
4995 * tree-pass.h (TDF_CHAIN): Define.
4996 * tree-pass.h (PROP_gimple_lomp): Define.
4997 (pass_lower_omp): Declare.
4998 * diagnostic.h (debug_tree_chain): Declare.
4999 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
5001 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
5002 * builtins.c (build_string_literal): Make extern.
5003 * gcc.c (include_spec_function): New.
5004 (static_spec_functions): Add it.
5005 (main): Move load of libgomp.spec ...
5006 (LINK_COMMAND_SPEC): ... here.
5007 (link_gomp_spec): New.
5008 (static_specs): Include it.
5009 (LINK_COMMAND_SPEC): Add link_gomp.
5010 (GOMP_SELF_SPECS): New.
5011 (driver_self_specs): Include it.
5012 (switch_matches): Don't mark inline.
5013 (main): Load libgomp.spec.
5014 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
5015 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
5016 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
5017 * tree-gimple.h (enum omp_parallel): Declare.
5018 (determine_parallel_type): Declare.
5019 (omp_firstprivatize_variable): Declare.
5020 (omp_reduction_init): Declare.
5021 (diagnose_omp_structured_block_errors): Declare.
5022 (struct walk_stmt_info): Add want_return_expr.
5023 (struct walk_stmt_info): Add want_bind_expr, want_locations.
5024 (find_omp_clause): Declare.
5025 (insert_field_into_struct): Declare.
5026 (struct walk_stmt_info): Move from tree-nested.c
5027 (walk_stmts): Declare.
5028 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
5030 * cgraphunit.c (cgraph_lower_function): Make static.
5031 (cgraph_finalize_pending_functions): New.
5032 (cgraph_finalize_function): Call it.
5033 (cgraph_finalize_compilation_unit): Likewise.
5034 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
5035 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
5036 (BT_FN_UINT_UINT): New.
5037 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
5038 DEF_FUNCTION_TYPE_VAR_4): Document.
5039 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
5040 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
5041 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
5042 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
5043 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
5044 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
5045 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
5046 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
5047 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
5048 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
5049 into separate files.
5050 (DEF_GOMP_BUILTIN): New.
5051 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
5052 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
5053 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
5054 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
5055 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
5056 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
5057 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
5058 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
5059 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
5060 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
5061 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
5062 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
5063 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
5064 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
5065 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
5066 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
5067 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
5068 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
5069 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
5070 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
5071 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
5072 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
5073 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
5074 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
5075 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
5076 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
5077 * sync-builtins.def: New file, moved from builtins.def.
5078 * omp-builtins.def: New file, moved from builtins.def.
5079 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
5080 * gimple-low.c (lower_function_body): Clear data.
5081 (lower_stmt): Do not handle COMPOUND_EXPR.
5082 Remove call to print_node_brief.
5083 * c-tree.h (c_finish_omp_clauses): New prototype.
5084 (C_DECL_THREADPRIVATE_P): Define.
5085 (lookup_name_no_remap, c_omp_remap_private): Remove
5086 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
5087 (check_for_loop_decls): Update decl.
5088 (lookup_name_no_remap, c_omp_remap_private): Declare.
5089 (build_indirect_ref, build_modify_expr, pushdecl,
5090 pushdecl_top_level): Move to c-common.h.
5091 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
5092 before the switch, but just in the 2 places that need it.
5093 * c-decl.c (diagnose_mismatched_decls): Do not check for
5094 mismatched thread-local attributes when OLDDECL is marked
5095 threadprivate and NEWDECL has no thread-local attributes.
5096 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
5097 (c_gimple_diagnostics_recursively): Rename from
5098 c_warn_unused_result_recursively. Invoke
5099 diagnose_omp_structured_block_errors.
5100 (check_for_loop_decls): Return a singular decl found.
5101 * langhooks.c (lhd_omp_predetermined_sharing): Return
5102 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
5103 (lhd_omp_firstprivatize_type_sizes): New.
5104 (lhd_omp_assignment): New.
5105 (lhd_omp_predetermined_sharing): New.
5106 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
5107 (struct lang_hooks_for_types): Add
5108 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
5109 omp_predetermined_sharing, omp_disregard_value_expr,
5110 omp_private_debug_clause, omp_clause_default_ctor,
5111 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
5112 (c_finish_omp_clauses): New.
5113 (c_finish_bc_stmt): Diagnose break within omp for.
5114 (c_begin_omp_parallel, c_finish_omp_parallel): New.
5115 (build_unary_op): Return error_mark after reporting
5117 (build_modify_expr): Likewise.
5118 * gimplify.c: Include optabs.h and pointer-set.h.
5119 (enum gimplify_omp_var_data): Declare.
5120 (struct gimplify_omp_ctx): Declare.
5121 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
5123 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
5124 (push_gimplify_context, pop_gimplify_context): Allow nesting.
5125 (splay_tree_compare_decl_uid): New.
5126 (new_omp_context): New.
5127 (delete_omp_context): New.
5128 (gimple_add_tmp_var): Call omp_add_variable.
5129 (gimplify_bind_expr): Likewise.
5130 (gimplify_var_or_parm_decl): If omp_notice_variable returned
5131 true, disregard DECL_VALUE_EXPR on the decl if any.
5132 (gimplify_expr_in_ctx): New.
5133 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
5134 omp_add_variable, omp_notice_variable, omp_is_private
5135 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
5136 gimplify_adjust_omp_clauses, gimplify_omp_parallel
5137 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
5138 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
5139 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
5140 gimplify_omp_atomic): New.
5141 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5142 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5143 OMP_CRITICAL and OMP_ATOMIC.
5144 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
5145 * c-pragma.h (enum pragma_kind): Add
5146 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
5147 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
5148 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
5149 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
5150 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
5151 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
5152 PRAGMA_OMP_THREADPRIVATE.
5153 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5154 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5155 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
5156 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
5157 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
5158 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
5159 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
5160 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
5161 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
5162 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
5163 * tree-ssa-dce.c (find_control_dependence): Do not assume that
5164 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
5165 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
5167 (struct nesting_info): Add field_map,
5168 suppress_expansion, debug_var_chain.
5169 (create_nesting_tree): Initialize them.
5170 (lookup_field_for_decl): Use field_map.
5171 (get_nonlocal_debug_decl, get_local_debug_decl): New.
5172 (convert_local_omp_clauses): New.
5173 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
5174 (walk_body): Split out of walk_function.
5175 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
5176 (convert_nonlocal_reference): Handle omp statements.
5177 (convert_local_reference): Likewise.
5178 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
5179 (unnest_nesting_tree): New.
5180 (lower_nested_functions): Call it.
5181 (insert_field_into_struct): Make extern.
5182 (struct walk_stmt_info): Move to tree-gimple.h.
5183 (walk_stmts): Make extern.
5184 * omp-builtins.def: New file.
5185 * tree-iterator.c (expr_only): Clarify comment.
5186 * c-common.h (pushdecl_top_level, pushdecl,
5187 build_modify_expr, build_indirect_ref,
5188 c_finish_omp_master, c_finish_omp_critical,
5189 c_finish_omp_ordered, c_finish_omp_barrier,
5190 c_finish_omp_atomic, c_finish_omp_flush,
5191 c_finish_omp_for, c_split_parallel_clauses,
5192 omp_clause_default_kind, c_omp_sharing_predetermined,
5193 c_omp_remap_decl): Declare.
5194 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
5195 (OBJS-common): Add omp-low.o.
5196 (c-omp.o, omp-low.o): Add.
5197 (gimplify.o): Add dependency on $(OPTABS_H).
5198 (GTFILES): Add omp-low.c.
5199 (gt-stringpool.h): Add.
5200 * tree-cfg.c (set_bb_for_stmt): Do not update the
5201 block-to-labels map if we are currently expanding to RTL.
5202 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
5204 Handle IDENTIFIER_NODE.
5205 (tree_verify_flow_info): Do not ICE when emitting error
5206 messages about invalid labels.
5207 (dump_function_to_file): Reset CFUN before emitting the body
5209 (debug_function): New.
5210 * passes.c (init_optimization_passes): Schedule
5212 * langhooks-def.h (lhd_omp_predetermined_sharing,
5213 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
5215 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
5216 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
5217 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
5218 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
5219 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
5220 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
5221 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
5222 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
5223 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
5224 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
5225 (LANG_HOOK_DECLS): Use them.
5227 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
5228 Richard Henderson <rth@redhat.com>
5229 Jakub Jelinek <jakub@redhat.com>
5230 Diego Novillo <dnovillo@redhat.com>
5232 * c-parser.c (pragma_omp_clause): Define.
5233 (c_parser_declaration_or_fndef): Document OpenMP syntax.
5234 (c_parser_compound_statement): Likewise.
5235 (c_parser_statement): Likewise.
5236 (c_parser_pragma): Handle omp pragmas.
5237 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
5238 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
5239 (c_parser_omp_clause_name, check_no_duplicate_clause,
5240 c_parser_omp_variable_list,
5241 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
5242 c_parser_omp_clause_copyprivate,
5243 c_parser_omp_clause_default,
5244 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
5245 c_parser_omp_clause_lastprivate,
5246 c_parser_omp_clause_nowait,
5247 c_parser_omp_clause_num_threads,
5248 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
5249 c_parser_omp_clause_reduction,
5250 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
5251 c_parser_omp_all_clauses, c_parser_omp_structured_block,
5252 c_parser_omp_atomic, c_parser_omp_barrier,
5253 c_parser_omp_critical, c_parser_omp_flush,
5254 c_parser_omp_for_loop, c_parser_omp_for,
5255 c_parser_omp_master, c_parser_omp_ordered,
5256 c_parser_omp_sections_scope, c_parser_omp_sections,
5257 c_parser_omp_parallel, c_parser_omp_single,
5258 c_parser_omp_construct, c_parser_omp_threadprivate): New.
5259 * c-pragma.c (init_pragma): Do omp pragma registration here.
5260 * c.opt (fopenmp): New flag.
5262 2006-01-18 Eric Christopher <echristo@apple.com>
5264 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
5265 * config/darwin.h (GOMP_SELF_SPECS): Define.
5267 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5269 * rtl.h: Remove the prototype for reg_alloc.
5271 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5274 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
5275 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
5276 sjlj and dwarf2 exception handling.
5277 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
5278 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
5279 * pa/pa.c (function_value): Treat complex and vector types as
5281 (function_arg): Likewise. Only pass scalar floats in the floating
5282 point argument registers.
5283 * pa/t-slibgcc-dwarf-ver: New file.
5284 * pa/t-slibgcc-sjlj-ver: New file.
5285 * pa/t-slibgcc-elf-ver: Delete file.
5287 2006-01-19 Alan Modra <amodra@bigpond.net.au>
5289 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
5290 unlikely_test_section_p test.
5292 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5294 * mode-switching.c (optimize_mode_switching): Make it static.
5295 * basic-block.h: Remove the prototype for
5296 optimize_mode_switching.
5298 * modulo-sched.c (sms_schedule): Make it static.
5299 * rtl.h: Remove the prototype for sms_schedule.
5301 * postreload-gcse.c (gcse_after_reload_main): Make it static.
5302 * rtl.h: Remove the prototype for gcse_after_reload_main.
5304 * reg-stack.c (reg_to_stack): Make it static.
5305 * rtl.h: Remove the prototype for reg_to_stack.
5307 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
5309 * rtl.h: Remove the prototypes for regrename_optimize and
5310 copyprop_hardreg_forward.
5312 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
5314 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
5315 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
5316 Test against the appropriate null constant for the mode.
5317 If 'fixup_overlap' is true, swap the operands if they overlap.
5318 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
5319 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
5320 alpha_split_tmode_pair and adjust for above change.
5321 * config/alpha/alpha.md (movtf_internal): Adjust call to
5322 alpha_split_tfmode_pair and rely on it to swap the operands.
5323 (movti_internal): New insn and post-reload splitter.
5324 (movti): New expander.
5326 2006-01-18 Philippe De Muyter <phdm@macqel.be>
5328 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
5331 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5333 * rtlanal.c (global_reg_mentioned_p_1,
5334 global_reg_mentioned_p): Remove.
5335 * rtl.h: Remove the prototype for global_reg_mentioned_p.
5337 * flow.c (initialize_uninitialized_subregs): Make it static.
5338 * rtl.h: Remove the prototype for
5339 initialize_uninitialized_subregs.
5341 * function.c (instantiate_virtual_regs): Make it static.
5342 * function.h: Remove the prototype for
5343 instantiate_virtual_regs.
5345 * regmove.c (regmove_optimize, combine_stack_adjustments):
5347 * rtl.h: Remove the prototypes for regmove_optimize and
5348 combine_stack_adjustments.
5350 2006-01-17 Roger Sayle <roger@eyesopen.com>
5352 * config/i386/i386.c (COSTS_N_BYTES): New macro.
5353 (size_cost): Encode costs in bytes so that a reg-reg addition is
5354 equivalent to COSTS_N_INSNS(1).
5355 (override_options): Use the size_cost.branch_cost as the default
5356 ix86_branch_cost when optimizing for size.
5358 2006-01-18 Ben Elliston <bje@au.ibm.com>
5360 * Makefile.in (D32PBIT_FUNCS): New.
5361 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
5362 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
5363 D64PBIT_FUNCS and D128PBIT_FUNCS.
5364 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
5365 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
5367 (decnumber_dep): Define.
5368 * doc/libgcc.texi (Decimal float library routines): New node.
5369 * config/dfp-bit.h, config/dfp-bit.c: New files.
5371 2006-01-18 Ben Elliston <bje@au.ibm.com>
5373 * expr.c (emit_move_change_mode): Always adjust addresses, not
5374 just during reload. Copy replacements only during reload.
5375 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
5376 emit_move_via_integer.
5378 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
5380 * Makefile.in (check-%, check-consistency): Use $${srcdir}
5381 instead of $(srcdir) and ${srcdir}.
5383 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
5387 * arm.h (struct machine_function): Add pic_reg.
5388 * arm.c (arm_pic_register): Make unsigned.
5389 (arm_override_options): Only set arm_pic_register if
5390 TARGET_SINGLE_PIC_BASE.
5391 (use_return_insn): Only test for a pic register if it is fixed.
5392 (arm_compute_save_reg0_reg12_mask): Likewise.
5393 (thumb_compute_save_reg_mask): Likewise.
5394 (legitimate_pic_operand): Factor out some known invariants.
5395 (legitimize_pic_address): If we don't have a fixed pic register,
5396 then set up a pseudo in the function entry sequence. Handle the
5397 pic base being in a pseudo.
5398 (arm_load_pic_register): Handle the pic register being in a pseudo.
5399 (arm_expand_prologue): Only set up the pic register if it is fixed.
5400 (thumb_expand_prologue): Likewise.
5401 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
5402 (pic_load_addr_based_insn): Likewise.
5403 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
5406 2006-01-18 Ben Elliston <bje@au.ibm.com>
5408 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
5409 decimal float modes for all floating point registers.
5411 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
5412 match_code "mem" with match_test "macho_lo_sum_memory_operand".
5414 2006-01-17 Jakub Jelinek <jakub@redhat.com>
5417 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
5418 even when the pointer is not NULL.
5420 2006-01-16 Ian Lance Taylor <ian@airs.com>
5422 * common.opt (ftoplevel-reorder): New option.
5423 * cgraph.c (cgraph_asm_nodes): New global variable.
5424 (cgraph_asm_last_node): New static variable.
5425 (cgraph_order): New global variable.
5426 (cgraph_create_node): Set new order field.
5427 (cgraph_varpool_node): Likewise.
5428 (decide_is_variable_needed): Return true if not
5429 flag_toplevel_reorder.
5430 (cgraph_add_asm_node): New function.
5431 * cgraph.h (struct cgraph_node): Add order field.
5432 (struct cgraph_varpool_node): Add order field.
5433 (struct cgraph_asm_node): Define.
5434 (cgraph_asm_nodes, cgraph_order): Declare.
5435 (cgraph_add_asm_node): Declare.
5436 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
5438 (cgraph_varpool_assemble_pending_decls): Call it.
5439 (cgraph_output_pending_asms): New static function.
5440 (cgraph_finalize_compilation_unit): Call it.
5441 (struct cgraph_order_sort): Define.
5442 (cgraph_output_in_order): New static function.
5443 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
5444 !flag_toplevel_reorder case.
5445 * c-parser.c: Include "cgraph.h".
5446 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
5448 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
5449 than -fno-unit-at-a-time.
5450 * doc/invoke.texi (Option Summary): Mention
5451 -fno-toplevel-reorder.
5452 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
5453 -funit-at-a-time documentation.
5455 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
5456 Kazu Hirata <kazu@codesourcery.com>
5458 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
5460 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
5462 * Makefile.in (FUNCTION_H): New. Use it instead of
5463 function.h throughout the file.
5464 * function.h: Include tree.h.
5466 2006-01-17 Ben Elliston <bje@au.ibm.com>
5468 * recog.c: Separate some functions with whitespace.
5470 2006-01-16 Richard Henderson <rth@redhat.com>
5472 Merge from gomp branch:
5473 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
5474 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
5475 and rename from struct inline_data. Rename callee* to dst*;
5476 caller* to src*; add copy_decl hook, transform_call_graph_edges,
5477 transform_new_cfg, transform_return_to_modify, and
5478 transform_lang_insert_block flags; remove cloning_p, versioning_p,
5480 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
5481 (copy_decl_for_dup): Remove.
5482 * tree-inline.c (struct inline_data): Move to header.
5483 (insert_decl_map): Export.
5484 (remap_decl): Update for member name changes. Use copy_decl hook.
5485 Allow for replacement to be a non-decl. Remove dead code.
5486 (remap_type_1): Check for existing mapping.
5487 (remap_type): Export.
5488 (remap_decls): Update for member name changes.
5489 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
5490 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
5491 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
5492 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
5493 (tree_function_versioning, build_duplicate_type): Likewise.
5494 (copy_body_r): Likewise. Export.
5495 (copy_decl_for_dup): Split into ...
5496 (copy_decl_for_dup_finish, copy_decl_to_var,
5497 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
5498 (replace_ref_tree, inlining_p): Remove.
5500 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5502 * ifcvt.c (if_convert): Make it static.
5503 * rtl.h: Remove the prototype for if_convert.
5505 * local-alloc.c (local_alloc): Make it static.
5506 * rtl.h: Remove the prototype for local_alloc.
5508 * loop.c (loop_optimize): Make it static.
5509 * cfgloop.h: Remove the prototype for loop_optimize.
5512 2006-01-16 DJ Delorie <dj@redhat.com>
5514 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
5517 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5519 * pa.md: Disparage copies between general and floating-point registers
5520 in 32-bit move patterns.
5522 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
5525 * Makefile.in (check-%): Depend on site.exp instead of
5526 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
5529 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5531 * global.c (global_alloc): Make it static.
5532 * rtl.h: Remove the prototype for global_alloc.
5534 2006-01-16 Richard Guenther <rguenther@suse.de>
5536 * tree-ssa-alias.c (struct used_part): Add write_only field.
5537 (get_or_create_used_part_for): Initialize it to true.
5538 (create_overlap_variables_for): Don't create structure variables
5539 for structures that only are written to.
5540 (find_used_portions): Handle MODIFY_EXPR to track whether a
5541 structure is only written to.
5543 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5545 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
5547 * basic-block.h: Remove the prototype for
5548 partition_hot_cold_basic_blocks.
5550 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
5552 * cppspec.c (lang_specific_spec_functions): Remove.
5553 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
5554 * gcc.h (lang_specific_spec_functions): Remove.
5555 * gccspec.c (lang_specific_spec_functions): Remove.
5557 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
5559 * combine.c (record_value_for_reg): Invalidate registers
5561 (record_dead_and_set_regs_1): Likewise, by passing them to
5562 record_value_for_reg.
5563 (record_dead_and_set_regs): Invalidate stores made by a
5564 call. We do not combine across a call, but we still
5565 relied on equivalences.
5567 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5569 * tree-vrp.c (extract_range_from_binary_expr): Cope with
5570 vrp_int_const_binop returning non-constant nodes.
5572 2006-01-16 Paul Brook <paul@codesourcery.com>
5574 * config/m68k/m68k.c (output_move_const_into_data_reg):
5575 Output correct mnemonic for mvz and mvs.
5577 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
5579 * rtl-factoring.c: Add sequence abstraction algorithm.
5580 * cfgcleanup.c (outgoing_edges_match): Extra checks.
5581 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
5583 (block_has_preserve_label): New function.
5584 * common.opt: Register new pass.
5585 * Makefile.in: Ditto.
5587 * timevar.def: Ditto.
5588 * tree-pass.h: Ditto.
5589 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
5590 * rtl.h (make_jump_insn_raw): Add forward decl.
5591 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
5593 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5594 Roger Sayle <roger@eyesopen.com>
5596 * fold-const.c (fold_minmax): New static function.
5597 (fold_binary) <MIN_EXPR>: Call it.
5598 <MAX_EXPR>: Likewise.
5599 * stor-layout.c (place_field): Use DECL_SIZE consistently
5600 in the computation of the new record size.
5602 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5604 * cse.c (cse_condition_code_reg): Make it static.
5605 * rtl.h: Remove the prototype for cse_condition_code_reg.
5607 * combine.c (combine_instructions): Make it static.
5608 * rtl.h: Remove the prototype for combine_instructions.
5610 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5613 * tree.c (get_file_function_name_long): Concatenate the first global
5614 object name with a string derived from the input filename of the object
5617 2006-01-16 Ben Elliston <bje@au.ibm.com>
5619 * config/i386/winnt-stubs.c: Update FSF address.
5620 * config/xtensa/ieee754-df.S: Ditto.
5621 * config/xtensa/ieee754-sf.S: Ditto.
5623 2006-01-14 Ian Lance Taylor <ian@airs.com>
5625 * ifcvt.c (noce_init_if_info): New static function, broken out of
5626 noce_process_if_block.
5627 (noce_process_if_block): Call noce_init_if_info.
5628 (check_cond_move_block): New static function.
5629 (cond_move_process_if_block): New static function.
5630 (process_if_block): Call cond_move_process_if_block.
5632 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
5634 * cselib.c (hash_table): Rename to cselib_hash_table.
5635 (cselib_clear_table, discard_useless_values,
5636 remove_useless_values, cselib_lookup_mem, cselib_lookup,
5637 cselib_init, cselib_finish): Adjust uses of hash_table.
5639 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
5641 PR tree-optimization/25485
5642 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
5643 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
5644 is known to be false and true, respectively.
5646 2006-01-14 Richard Guenther <rguenther@suse.de>
5648 PR tree-optimization/22548
5649 PR tree-optimization/22555
5650 PR tree-optimization/22501
5651 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
5652 * params.def (salias-max-array-elements): New parameter.
5653 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
5654 * doc/invoke.texi (salias-max-array-elements): Document.
5655 * tree-flow-inline.h (var_can_have_subvars): We also handle
5657 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
5659 * tree-ssa-structalias.c (params.h): Include.
5660 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
5661 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
5662 (get_constraint_for): For ADDR_EXPR operating on something
5663 containing an ARRAY_REF, add all subvars to the solution.
5664 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
5665 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
5666 for creating MUST_DEFs.
5667 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
5669 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
5671 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
5673 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
5674 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5675 number_of_iterations_le): New functions.
5676 (number_of_iterations_special): Removed.
5677 (number_of_iterations_exit): Do not use number_of_iterations_special.
5678 * tree.c (unsigned_type_for): Always return integer type.
5680 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
5681 Richard Guenther <rguenther@suse.de>
5683 PR rtl-optimization/24257
5684 * gcse.c (find_moveable_store): Only consider a store movable
5685 when the SET_SRC of the insn can be assigned to a register.
5687 2006-01-14 Ian Lance Taylor <ian@airs.com>
5689 * tree.c (tree_not_class_check_failed): New function.
5690 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
5691 (tree_not_class_check_failed): Declare.
5693 2006-01-13 Ian Lance Taylor <ian@airs.com>
5695 * reload1.c (do_output_reload): Add assertion rejecting a
5698 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
5700 * combine.c (struct reg_stat): Add new fields truncation_label and
5702 (record_value_for_reg): Reset truncated_to_mode.
5703 (record_truncated_value): New function.
5704 (check_promoted_subreg): Call it. Rename to check_conversions.
5705 (combine_instructions): Rename check_promoted_subreg to
5707 (reg_truncated_to_mode): New function.
5708 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
5709 (gen_lowpart_or_truncate): New function.
5710 (force_to_mode): Use it instead of gen_lowpart.
5712 2006-01-13 Diego Novillo <dnovillo@redhat.com>
5714 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
5715 VAR is a tag, not its type tag.
5717 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
5719 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
5720 alternatives to match style of other entries.
5721 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
5723 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
5725 PR tree-optimization/25771
5726 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
5729 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
5732 * tree-inline.c (declare_return_variable): If the return variable
5733 was marked as a non gimple complex, set the return slot variable
5734 to be a non gimple comple variable.
5736 2006-01-13 Richard Guenther <rguenther@suse.de>
5738 * builtins.c (expand_builtin_sincos): New function.
5739 (expand_builtin_mathfn_3): Remove dead code, sin and cos
5741 (expand_builtin): Expand sincos using expand_builtin_sincos.
5743 2006-01-12 DJ Delorie <dj@redhat.com>
5745 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
5746 shift counts, separate SI shifts for m32c vs m16c, pass shift type
5747 so that constant shifts can be split.
5748 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
5749 (m32c_valid_pointer_mode): Make static.
5750 (shift_gen_func_for): New.
5751 (m32c_prepare_shift): Use it. Split large const shifts into
5753 * config/m32c/predicates.md (shiftcount_operand): Allow more
5755 (longshiftcount_operand): New.
5756 * doc/md.texi (Machine Constraints): Document In6.
5758 2006-01-13 Ben Elliston <bje@au.ibm.com>
5760 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
5761 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
5764 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
5766 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
5767 to try to avoid clobbering pieces of structures when we know
5768 something about the whole structure.
5769 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
5771 2006-01-13 Ben Elliston <bje@au.ibm.com>
5773 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
5774 return in memory, as this is no limitation is no longer present.
5776 2006-01-12 DJ Delorie <dj@redhat.com>
5778 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
5779 mova with fb, and for fb+0 -> An.
5781 * config/m32c/mov.md (peephole2): Fix enabling logic.
5783 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
5784 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
5785 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
5786 FINI_ARRAY_SECTION_ASM_OP): Define.
5788 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
5790 (m32c_legitimize_reload_address): New logic to reload FB to An.
5791 (m32c_output_reg_push): Add newline.
5792 (m32c_output_reg_pop): Likewise.
5794 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
5796 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
5798 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
5800 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
5802 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5804 * config/sh/predicates.md (sh_rep_vec): Add parallel to
5807 2006-01-11 Ben Elliston <bje@au.ibm.com>
5809 * rtlanal.c (find_reg_note): Assert insn is not null.
5811 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
5813 * df-scan.c (df_hard_reg_init): Move declaration of i outside
5816 2006-01-11 Jeff Law <law@redhat.com>
5818 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
5820 (mark_threaded_blocks, register_jump_thread): New functions.
5821 (thread_through_all_blocks): Remove unwanted argument. No
5822 longer rely on e->aux to communicate thread target info.
5823 Call mark_threaded_blocks. Release the threaded_blocks
5824 bitmap and threaded_edges vector when complete.
5825 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
5826 (threaded_blocks): Remove.
5827 (tree_ssa_dominator_optimize): Remove initialization and
5828 finalization of threaded_blocks. Simplify call to
5829 thread_through_all_blocks.
5830 (thread_across_edge): Call register_jump_thread rather than
5831 storing thread information into e->aux.
5832 (free_all_edge_infos): Simplify now that e->aux is no longer
5833 used to communicate with thread_through_all_blocks.
5834 * tree-flow.h (thread_through_all_blocks): Update prototype.
5835 (register_jump_thread): Prototype.
5837 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5839 * df-core.c (df_compact_blocks, df_bb_replace): Use
5840 SET_BASIC_BLOCK instead of BASIC_BLOCK.
5842 2006-01-11 Richard Guenther <rguenther@suse.de>
5844 PR tree-optimization/25734
5845 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
5846 stop propagation after successful propagation to the LHS.
5848 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5850 * basic-block.h (control_flow_graph): Change the type of
5851 x_basic_block_info to VEC(basic_block,gc) *.
5852 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
5854 (SET_BASIC_BLOCK): New.
5855 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
5856 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
5857 * cfgbuild.c (find_basic_blocks): Likewise.
5858 * cfglayout.c (fixup_reorder_chain): Likewise.
5859 * cfgrtl.c (create_basic_block_structure,
5860 rtl_create_basic_block): Likewise.
5861 * ifcvt.c (find_if_case_1): Likewise.
5862 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
5865 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
5867 * Makefile.in: Removed rotted odf.c entry.
5869 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
5872 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
5873 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
5874 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
5875 output pattern modifier, not %e.
5876 * config/cris/cris.c (cris_op_str): Update comment about pattern
5878 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
5879 before falling through into...
5880 <case 'E'>: Redefined from old 'e' case.
5882 2006-01-11 Jan Hubicka <jh@suse.cz>
5885 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
5887 2006-01-11 Jan Hubicka <jh@suse.cz>
5889 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
5890 * i386.c (x86_decompose_lea): Kill.
5891 (ix86_rtx_costs): Kill.
5893 2006-01-11 Jan Hubicka <jh@suse.cz>
5895 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
5896 * cgraph.h (cgraph_node): Add inline_decl.
5897 (cgraph_insert_node_to_hashtable): Declare.
5898 (save_inline_function_body): Declare.
5899 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
5901 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
5902 (cgraph_function_versioning): Update call of tree_function_versioning.
5903 (save_inline_function_body): New function.
5904 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
5905 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
5906 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
5907 (cgraph_default_inline_p): Likewise.
5908 (cgraph_decide_inlining_incrementally): Likewise.
5909 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
5910 (copy_bb): Kill saving; do updating of clones.
5911 (copy_cfg_body): Kill saving.
5912 (initialize_inlined-parameters): Likewise.
5913 (expand_call_inline): Likewise.
5915 (tree_function_versioning): New parameter "update_clones".
5916 (inlining_p): Kill saving.
5917 * tree-inline.h (tree_function_versioning): Update prototype.
5918 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
5921 2006-01-11 Ian Lance Taylor <ian@airs.com>
5923 * combine.c (struct undo): Remove is_int. Enumify types of undos.
5924 Allow undoing set of machine mode.
5925 (do_SUBST): Use enums instead of is_int.
5926 (do_SUBST_MODE): New function.
5927 (SUBST_MODE): New macro.
5928 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
5929 reg and trying to replace reg_regno_rtx with a new register.
5930 (undo_all): Use new enums, handle undoing a PUT_MODE change.
5931 (simplify_set): Use SUBST_MODE.
5932 (distribute_notes): Remove code that tried to update reg notes
5933 for regno_reg_rtx changes.
5935 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
5937 PR tree-optimization/23109
5938 PR tree-optimization/23948
5939 PR tree-optimization/24123
5941 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
5942 * tree-cfg.c (single_noncomplex_succ): New.
5943 * tree-flow.h (single_noncomplex_succ): Declare it.
5944 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
5945 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
5946 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
5947 insert_bb, register_division_in, insert_reciprocals,
5948 replace_reciprocal, free_bb): New.
5949 (execute_cse_reciprocals_1): Rewritten.
5950 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
5951 Do not commit any edge insertion. Always compute dominators and
5952 create the allocation pool.
5953 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
5954 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
5955 * targhooks.c (default_min_divistions_for_recip_mul): New.
5956 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
5957 * passes.c (init_optimization_passes): Run recip after tree loop
5959 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
5961 2006-01-11 Danny Berlin <dberlin@dberlin.org>
5962 Kenneth Zadeck <zadeck@naturalbridge.com>
5964 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
5965 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
5966 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
5967 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
5968 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
5969 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
5970 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
5971 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
5972 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
5973 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
5974 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
5975 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
5976 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
5977 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
5978 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
5979 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
5980 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
5981 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
5982 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
5983 DF_SCAN_POST_ALLOC): New macros.
5984 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
5985 df_free_bb_function, df_local_compute_function, df_init_function,
5986 df_dataflow_function, df_confluence_function_0,
5987 df_confluence_function_n, df_transfer_function,
5988 df_finalizer_function, df_free_function, df_dump_problem_function,
5989 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
5990 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
5991 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
5992 df_urec_bb_info, ) New types.
5993 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
5995 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
5996 df_analyze_simple_change_some_blocks,
5997 df_analyze_simple_change_one_block, df_compact_blocks,
5998 df_bb_replace, df_bb_regno_last_use_find,
5999 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
6000 df_insn_regno_def_p, df_find_def, df_find_use,
6001 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
6002 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
6003 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
6004 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
6005 debug_df_chain, df_get_dependent_problem, df_chain_create,
6006 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
6007 df_grow_bb_info, df_chain_dump, df_print_bb_index,
6008 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
6009 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
6010 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
6011 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
6012 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
6013 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
6014 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
6015 df_ref_remove, df_insn_refs_delete, df_refs_delete,
6016 df_reorganize_refs, df_set_state, df_hard_reg_init,
6017 df_read_modify_subreg_p) New public functions.
6018 * df-core.c: The core dataflow solver and glue routines for rtl
6020 (df_init, df_add_problem, df_set_blocks, df_finish,
6021 df_hybrid_search_forward, df_hybrid_search_backward,
6022 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
6023 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
6024 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
6025 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
6026 df_reg_defined, df_find_use, df_reg_used, df_dump,
6027 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
6028 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
6029 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
6030 debug_df_useno, reset_df_after_reload): New functions.
6031 * df-scan.c: The scanning fuctions, once in df.c, completely
6032 rewritten so that they now fully model the functionality of
6033 register usage at the backend.
6034 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
6035 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
6036 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
6037 df_grow_insn_info, df_rescan_blocks, df_ref_create,
6038 df_get_artificial_defs, df_get_artificial_uses,
6039 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
6040 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
6041 df_refs_delete, df_reorganize_refs, df_set_state,
6042 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
6043 df_def_record_1, df_defs_record, df_uses_record,
6044 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
6045 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
6046 df_record_exit_block_uses, df_hard_reg_init): New functions.
6048 * df-problems.c: Seven concrete dataflow problems that use the
6049 scanning in df-scan.c and are solved by the engine in df-core.c.
6050 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
6051 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
6052 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
6053 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
6054 df_ru_free_bb_info, df_ru_alloc,
6055 df_ru_bb_local_compute_process_def,
6056 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
6057 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
6058 df_ru_transfer_function, df_ru_free, df_ru_dump,
6059 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
6060 df_rd_free_bb_info, df_rd_alloc,
6061 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
6062 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
6063 df_rd_transfer_function, df_rd_free, df_rd_dump,
6064 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
6065 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
6066 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
6067 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
6068 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
6069 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
6070 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
6071 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
6072 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
6073 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
6074 df_urec_mark_reg_change, df_urec_check_earlyclobber,
6075 df_urec_mark_reg_use_for_earlyclobber,
6076 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
6077 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
6078 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
6079 df_urec_dump, df_urec_add_problem, df_chain_alloc,
6080 df_chain_create_bb_process_use, df_chain_create_bb,
6081 df_chain_finalize, df_chain_free, df_chains_dump,
6082 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
6083 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
6084 df_reg_lifetime): New functions.
6085 * df.c: Deleted file.
6086 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
6087 consistent with new df api.
6088 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
6089 rest_of_handle_sms): Ditto.
6090 * web.c (unionfind_union, union_defs, entry_register, web_main):
6092 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
6093 invariant_expr_equal_p, find_defs, check_dependencies,
6094 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
6095 free_inv_motion_data, move_loop_invariants): Ditto.
6096 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
6097 Update dependencies.
6098 (odf.c): Added defective entry that was deleted later in day.
6099 * sched-deps.c (sched_analyze_1): Ditto.
6101 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
6103 * tree-ssa-operands.c (get_expr_operands): Record addressable
6104 variables directly. Do not call add_stmt_operands for CONST_DECLs
6106 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
6107 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
6109 2006-01-11 Ben Elliston <bje@au.ibm.com>
6111 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
6112 function returns true in the positive case.
6114 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6117 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
6118 for SI, DI, SF and DF modes. Add alternatives to copy between
6119 general and floating point registers to the 32-bit patterns.
6120 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
6121 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
6122 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
6123 generating 64-bit code.
6124 * config/pa/pa.c (output_move_double): Handle copies between general
6125 and floating registers.
6127 2006-01-10 Stuart Hastings <stuart@apple.com>
6129 * config/i386/i386.md (set_got): Update.
6130 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
6131 (builtin_setjmp_receiver): Mach-O support.
6132 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
6133 (GOT_SYMBOL_NAME): Define.
6134 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
6135 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
6136 * config/i386/i386.c (override_options): Revise for Darwin.
6137 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
6138 support. (darwin_x86_file_end): New. (output_set_got): Add label
6139 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
6140 * config/i386/i386-protos.h (output_set_got): Likewise.
6141 * config/darwin.c (machopic_legitimize_pic_address): Update
6144 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
6146 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
6147 when MODE isn't BLKmode.
6149 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6151 PR rtl-optimization/25367
6152 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
6154 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
6157 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
6158 for a negative bound.
6160 2006-01-10 Richard Guenther <rguenther@suse.de>
6162 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6163 Never override with anything constraint.
6165 2006-01-10 Jan Beulich <jbeulich@novell.com>
6167 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
6168 256 bits when optimize_size.
6170 2006-01-10 Jan Beulich <jbeulich@novell.com>
6172 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
6174 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
6175 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
6178 2006-01-10 Ben Elliston <bje@au.ibm.com>
6180 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
6182 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
6183 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
6184 (USE_FP_FOR_ARG): Reject decimal float modes.
6185 (function_arg_advance): Likewise.
6186 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
6187 (rs6000_handle_altivec_attribute): Do not permit decimal floating
6188 point types in AltiVec vectors.
6189 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
6190 (rs6000_libcall_value): Likewise.
6192 2006-01-09 Bob Wilson <bob.wilson@acm.org>
6194 * config/xtensa/ieee754-df.S: New file.
6195 * config/xtensa/ieee754-sf.S: New file.
6196 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
6197 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
6198 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
6200 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
6202 * config/sh/predicates.md (binary_float_operator,
6203 binary_logical_operator, commutative_float_operator,
6204 equality_comparison_operator, greater_comparison_operator,
6205 less_comparison_operator, logical_operator,
6206 noncommutative_float_operator, shift_operator,
6207 symbol_ref_operand, unary_float_operator): Remove redundant
6210 2006-01-09 Jeff Law <law@redhat.com>
6212 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
6213 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
6214 now unused arguments. Callers updated.
6215 (eliminate_redundant_computations): Remove now unused arguments,
6217 (local_fold): Remove, no longer used.
6218 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
6220 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
6221 (simplify_cond): New function.
6222 (forward_propagate_into_cond): Call simplify_cond.
6224 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
6226 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
6227 (*vec_extractv2di_1_sse): New.
6229 2006-01-09 Ben Elliston <bje@au.ibm.com>
6231 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
6233 2006-01-08 Richard Guenther <rguenther@suse.de>
6235 * tree-ssa-structalias.c (get_constraint_for): Remove
6237 (get_constraint_for_component_ref): Likewise.
6238 (do_deref): Likewise.
6239 (get_constraint_for): Likewise.
6240 (do_structure_copy): Likewise.
6241 (handle_ptr_arith): Likewise.
6242 (find_func_aliases): Likewise. Remove unused need_anyoffset
6245 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
6246 Kaz Kojima <kkojima@gcc.gnu.org>
6248 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
6249 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
6250 (EXTRA_CONSTRAINT_C16): Remove.
6251 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
6252 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
6253 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
6254 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
6255 constants of SHmedia. Handle nested constant expressions of
6257 (andcosts): Fix the costs for SHmedia constants.
6258 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
6259 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
6260 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
6261 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
6262 (movv4hi_i, movv2si_i): Likewise.
6263 (movsi_const): Adjust the second operand of ior so to match with
6265 (movdi_const, movdi_const_32bit): Likewise.
6266 (movdi_const_16bit+1): Don't sign-extend LOW.
6267 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
6269 (*double_shori): Fix the split condition. Use GEN_INT instead
6270 of get_int_mode calls. Mask lower 16-bit of the argument of
6272 (sym2GOTPLT): Remove.
6273 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
6275 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
6276 instead of EXTRA_CONSTRAINT_C16.
6278 2006-01-07 Ian Lance Taylor <ian@airs.com>
6279 David Edelsohn <edelsohn@gnu.org>
6281 PR rtl-optimization/25662
6282 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
6283 for constant operands instead of simplify_gen_binary.
6284 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
6285 after trying simplify_binary_operation
6287 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
6289 * tree.c (iterative_hash_expr): Hash decls based on UID.
6291 2006-01-06 Eric Christopher <echristo@apple.com>
6293 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
6294 (TARGET_UNWIND_EMIT): Fix spelling.
6295 * target.h (gcc_target): Add except_table_label.
6296 * except.c (output_function_exception_table): Use.
6297 * varasm.c (default_emit_except_table_label): New.
6298 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
6300 (asm_out): Add here.
6301 * output.h (default_emit_except_table_label): Prototype.
6302 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
6303 * config/darwin.c (darwin_emit_except_table_label): Define.
6304 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
6306 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
6308 PR tree-optimization/18527
6309 * tree-ssa-loop-niter.c (number_of_iterations_cond,
6310 number_of_iterations_special, number_of_iterations_exit):
6311 Move base and step of an iv to a single structure. Add
6312 no_overflow flag, and use it in # of iterations analysis.
6313 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
6314 folded_casts argument.
6315 (simple_iv): Pass base and step in a structure. Set no_overflow
6317 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
6318 Evaluate expensiveness of computing # of iterations instead of
6319 the final expression.
6320 * tree-scalar-evolution.h (affine_iv): New structure.
6321 (simple_iv): Declaration changed.
6322 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
6323 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
6324 find_givs_in_stmt): Changed due to simple_iv change.
6326 2006-01-06 Jeff Law <law@redhat.com>
6329 * tree-cfg.c (bsi_replace): Rename final argument from
6330 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
6331 change (stmt -> orig_stmt).
6332 * tree-eh.c (verify_eh_throw_stmt_node): New function.
6333 (bsi_remove): Add new argument. Remove EH information
6335 (verify_eh_throw_table_statements): New function.
6336 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
6338 * tree-optimize.c (execute_free_cfg_annotations): Verify
6339 the EH throw statement table after removing annotations.
6340 * except.h (verify_eh_throw_table_statements): Prototype.
6341 * tree-flow.h (bsi_remove): Update prototype.
6342 * tree-vrp.c (remove_range_assertions): Add new argument to
6344 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
6345 * tree-complex.c (expand_complex_div_wide): Likewise.
6346 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
6347 * tree-tailcall.c (eliminate_tailcall): Likewise.
6348 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
6349 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
6350 * tree-nrv.c (tree_nrv): Likewise.
6351 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
6352 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
6353 (combine_blocks): Likewise.
6354 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
6355 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
6356 (cleanup_control_flow): Likewise.
6357 (remove_forwarder_block): Likewise.
6358 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
6359 * tree-sra.c (sra_replace): Likewise.
6360 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
6361 (forward_propagate_single_use_vars): Likewise.
6362 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
6363 * tree-inline.c (expand_call_inline): Likewise.
6364 * tree-vect-transform.c (vect_transform_loop): Likewise.
6365 * tree-outof-ssa.c (rewrite_trees): Likewise.
6366 * tree-cfg.c (make_goto_expr_edges): Likewise.
6367 (cleanup_dead_labels): Likewise.
6368 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
6369 (bsi_move_before, bsi_move_after): Likewise.
6370 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
6371 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
6373 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
6376 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
6378 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
6379 on non gimple variables. Also add checks at the top for decls and
6381 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
6383 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
6384 and IMAGPART_EXPR for creating MUST_DEFs.
6385 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
6386 and NAME_MEMORY_TAG separately from the DECLs.
6388 2006-01-06 Richard Guenther <rguenther@suse.de>
6390 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
6391 annotation, if necessary.
6392 * tree-ssa-pre.c (create_expression_by_pieces): Remove
6393 redundant calls to update_stmt.
6394 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
6397 2006-01-05 Richard Henderson <rth@redhat.com>
6399 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
6401 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6403 * c-typeck.c: Update copyright date.
6405 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6407 * c-typeck.c (build_c_cast): Always warn when casting
6408 from a pointer to an integer of different size, even if
6409 the node was constant.
6411 2006-01-05 Richard Guenther <rguenther@suse.de>
6413 PR tree-optimization/22555
6414 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
6415 if one structure field is an array.
6416 * tree-ssa-operands.c (get_expr_operands): Continue scanning
6417 operands even if we found a subvar, but ignore VOPs in this
6419 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
6421 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
6423 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
6426 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
6428 2006-01-05 Richard Guenther <rguenther@suse.de>
6429 Diego Novillo <dnovillo@redhat.com>
6431 * tree-pass.h (TODO_remove_unused_locals): Define.
6432 * gimple-low.c (expand_var_p, remove_useless_vars,
6433 pass_remove_useless_vars): Remove. Update all users.
6434 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
6435 (remove_unused_locals): New function.
6436 * tree-flow.h (remove_unused_locals): Declare.
6437 * passes.c (execute_todo): Call remove_unused_locals if
6438 TODO_remove_unused_locals is set.
6439 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
6440 * tree-ssa-dce.c (pass_dce): Likewise.
6441 * tree-outof-ssa.c (pass_del_ssa): Likewise.
6443 2006-01-05 Richard Guenther <rguenther@suse.de>
6445 * tree-flow.h (struct fieldoff): Decompose field to
6446 type, size and decl.
6447 * tree-ssa-alias.c (create_sft): Take type as parameter.
6448 (create_overlap_variables_for): Store type, size and decl
6449 in the fieldoff structure.
6450 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
6452 (push_fields_onto_fieldstack): Likewise.
6453 (create_variable_info_for): Likewise. Use offset for the
6454 SFT name if the decl is not available.
6456 2006-01-04 Paul Brook <paul@codesourcery.com>
6458 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
6460 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
6462 * lambda-code.c (can_put_in_inner_loop): Relax
6464 (can_put_after_inner_loop): New function.
6465 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
6466 (perfect_nestify): Change to make copies and modify uses.
6468 2006-01-04 Richard Henderson <rth@redhat.com>
6470 Merge from gomp branch:
6471 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
6472 via integer constant.
6473 (pragma_lex): Remove.
6474 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
6475 rather than parsing it.
6476 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
6477 handle_pragma_extern_prefix): Add %< %> quotes.
6478 (registered_pragmas): New.
6479 (c_register_pragma_1): New.
6480 (c_register_pragma): Use it.
6481 (c_register_pragma_with_expansion): Likewise.
6482 (c_invoke_pragma_handler): New.
6483 (init_pragma): Use cpp_register_deferred_pragma directly for
6485 * c-pragma.h (enum pragma_kind): New.
6486 (pragma_handler): New.
6487 (c_invoke_pragma_handler): Declare.
6488 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
6490 * c-common.h (c_common_pch_pragma): Update decl.
6491 * Makefile.in (c-parser.o): Update dependencies.
6492 (GTFILES): Add c-pragma.h.
6493 * c-parser.c (struct c_token): Add pragma_kind.
6494 (struct c_parser): Add in_pragma.
6495 (c_lex_one_token): Always initialize keyword and pragma_kind.
6496 Extract data for CPP_PRAGMA.
6497 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
6498 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
6499 Don't allow CPP_PRAGMA_EOL if in_pragma.
6500 (c_parser_consume_pragma): New.
6501 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
6502 (c_parser_skip_to_end_of_parameter): Likewise.
6503 (c_parser_skip_to_end_of_block_or_statement): Likewise.
6504 (c_parser_skip_to_pragma_eol): New.
6505 (c_parser_external_declaration): Handle CPP_PRAGMA.
6506 (c_parser_compound_statement_nostart): Likewise.
6507 (c_parser_statement_after_labels): Likewise.
6508 (c_parser_pragma): New.
6509 (pragma_lex): Likewise.
6510 (c_parser_pragma_pch_preprocess): New.
6511 (c_parser_new): Merge into ...
6512 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
6514 2006-01-04 Jeff Law <law@redhat.com>
6517 * tree-cfg.c (bsi_replace): Remove the original statement
6518 from the EH throw statement table.
6520 2006-01-04 Jakub Jelinek <jakub@redhat.com>
6522 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
6523 make the prototype extern "C" and add throw ().
6526 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
6527 and pos non-negative and pos + len <= 32.
6528 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
6529 drop pos + len < HOST_BITS_PER_WIDE_INT test.
6530 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
6533 * c-common.c (handle_vector_size_attribute): Reject zero vector size
6534 as well as sizes not multiple of component size.
6537 * function.c (instantiate_expr): New function.
6538 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
6539 walk its DECL_VALUE_EXPR with instantiate_expr.
6541 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
6542 DW_OP_deref{,_size} if address isn't going to be added.
6544 2006-01-04 Ben Elliston <bje@au.ibm.com>
6546 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
6547 * config/fp-bit.c: Likewise.
6549 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
6551 * dominance.c: Add comment about why we use DFS numbering
6554 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6555 Richard Henderson <rth@redhat.com>
6557 Merge from gomp-branch:
6558 * varasm.c (assemble_variable): Handle thread-local COMMON data.
6559 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
6561 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
6563 PR rtl-optimization/25578
6564 * combine.c (combine_simplify_rtx, force_to_mode): Don't
6565 pass a parameter to simplify_shift_const if changing ASHIFTRT
6568 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
6570 * builtins.c (get_builtin_sync_mem): New function.
6571 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
6572 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
6573 Call get_builtin_sync_mem to generate mem rtx.
6575 2006-01-03 Richard Guenther <rguenther@suse.de>
6578 * stmt.c (add_case_node): Make sure to clear overflow flags
6581 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6583 Merge from gomp-branch.
6584 * config/sparc/sync.md: New file.
6585 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
6586 UNSPECV_LDSTUB): New constants.
6587 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
6588 * config/sparc/predicates.md (memory_reg_operand): New predicate.
6589 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
6592 2006-01-03 Roger Sayle <roger@eyesopen.com>
6594 * combine.c (reg_subword_p): New predicate to test whether the
6595 destination of a set refers to a subword/piece of a register.
6596 (try_combine): Generalize the code to merge the setting of a
6597 pseudo to a constant followed by a set of a subword of that
6598 register to a constant.
6600 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
6602 * basic-block.h (control_flow_graph): Change the type of
6603 x_label_to_block_map to VEC(basic_block,gc) *.
6604 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
6605 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
6607 * tree-ssa-propagate.c (cfg_blocks): Change the type to
6608 VEC(basic_block,heap) *.
6609 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
6610 ssa_prop_fini): Adjust the uses of cfg_blocks.
6612 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
6614 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
6616 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
6617 hashing trees instead of a pointer hash.
6618 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
6619 compare for MEM_EXPR.
6621 PR rtl-optimization/25130
6622 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
6623 when comparing MEMs for GCSE
6625 2006-01-03 Ben Elliston <bje@au.ibm.com>
6627 * targhooks.h (default_decimal_float_supported_p): Declare.
6628 * targhooks.c (default_decimal_float_supported_p): Define.
6629 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
6630 `default_decimal_float_supported_p'.
6631 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
6633 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
6635 * combine.c (apply_distributive_law <SUBREG>): Check
6636 TRULY_NOOP_TRUNCATION.
6638 2006-01-02 Geoffrey Keating <geoffk@apple.com>
6640 * dwarf2out.c (have_switched_text_section): Delete.
6641 (have_multiple_function_sections): New.
6642 (have_location_lists): Make 'bool'.
6643 (add_AT_loc_list): Use 'true' not '1'.
6644 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
6645 (output_loc_list): Use have_multiple_function_sections.
6646 (output_ranges): Likewise.
6647 (dwarf2out_begin_function): Set have_multiple_function_sections if
6649 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
6650 Check function_section rather than DECL_SECTION_NAME.
6651 (dwarf2out_finish): Use have_multiple_function_sections.
6652 Don't clear have_location_lists.
6654 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
6655 Jan Hubicka <jh@suse.cz>
6657 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
6658 case of conditional jump jumping to the next instruction.
6659 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
6660 cases of conditional jump jumping to the next instruction.
6662 2006-01-02 Jan Hubicka <jh@suse.cz>
6664 * i386.c (*_cost): Add COSTS_N_INSNS.
6665 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
6667 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
6670 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
6672 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6674 * config/arm/arm.c (all_fpus): Fix comment typo.
6675 * config/darwin.c: Likewise.
6676 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
6677 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
6678 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
6680 2006-01-01 David Edelsohn <edelsohn@gnu.org>
6682 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
6683 (rs6000_split_compare_and_swapqhi): New.
6684 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
6685 (sync_compare_and_swapqhi_internal): New.
6686 * config/rs6000/rs6000-protos.h: Declare.
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