1 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
4 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
7 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8 if language hook targets were missing.
10 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
12 * tree-ssa-opfinalize.h: Removed.
13 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
15 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
16 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
17 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
18 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
19 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
20 finalize_ssa_v_must_def_ops): New.
22 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
24 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
27 2006-03-07 Geoffrey Keating <geoffk@apple.com>
29 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
31 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
32 addresses with offsets; reorganize.
34 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
35 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
36 (expand_builtin_init_dwarf_reg_sizes): Likewise.
38 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
41 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
43 2006-03-08 Ben Elliston <bje@au.ibm.com>
45 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
47 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
50 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
53 2006-03-07 Richard Guenther <rguenther@suse.de>
55 PR tree-optimization/26587
56 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
58 2006-03-07 Richard Sandiford <richard@codesourcery.com>
60 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
62 2006-03-07 Richard Sandiford <richard@codesourcery.com>
64 * hooks.c (hook_bool_mode_rtx_true): New function.
65 * hooks.h (hook_bool_mode_rtx_true): Declare.
66 * toplev.c (compile_file): Call output_shared_constant_pool.
67 * varasm.c (shared_constant_pool): New variable.
68 (assemble_start_function, assemble_end_function): Remove arguments
69 from call to output_constant_pool.
70 (create_constant_pool): New function, split out from...
71 (init_varasm_status): ...here.
72 (force_const_mem): Choose between the shared and per-function constant
73 pools. Set current_function_uses_const_pool when reusing old entries
74 as well as when creating new ones.
75 (mark_constant): Ignore data argument.
76 (mark_constants): Remove pool argument.
77 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
78 to decide whether the function uses a constant pool.
79 (output_constant_pool_contents): New function, split out from...
80 (output_constant_pool): ...here.
81 (output_shared_constant_pool): New function.
82 (init_varasm_once): Initialize shared_constant_pool.
83 * output.h (output_constant_pool): Delete.
84 (output_shared_constant_pool): Declare.
85 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
86 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
88 2006-03-06 Nick Clifton <nickc@redhat.com>
90 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
93 2006-03-06 Ben Elliston <bje@au.ibm.com>
95 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
96 x86_64-*-linux* configurations.
98 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
99 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
101 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
103 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
105 * basic-block.h: Remove the extern for
106 rediscover_loops_after_threading.
108 * cfgloop.c (cancel_loop): Make it static.
109 * cfgloop.h: Remove the prototype for cancel_loop.
111 * flow.c (recompute_reg_usage): Make it static.
112 * rtl.h: Remove the prototype for recompute_reg_usage.
114 * function.c (use_return_register): Make it static.
115 * function.h: Remove the prototype.
117 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
119 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
121 * recog.h: Remove the prototype for
122 validate_change_maybe_volatile.
124 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
126 * rtlanal.c (replace_reg): Remove.
127 * rtl.h: Remove the prototype for replace_reg.
129 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
131 * regclass.c (reg_scan_update): Remove.
132 (reg_scan_mark_refs): Remove the last argument.
133 * rtl.h: Remove the prototype for reg_scan_update.
135 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
137 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
138 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
139 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
140 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
141 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
142 loop-invariant.c, omp-low.c, opts.c, passes.c,
143 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
144 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
145 tree-ssa-structalias.c, tree-ssa-threadedge.c,
146 tree-ssa-threadupdate.c, tree-vect-patterns.c,
147 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
148 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
150 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
152 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
153 * dwarf2out.h: Remove the prototype for
154 dwarf2out_add_library_unit_info.
156 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
158 * tree.c (add_var_to_bind_expr): Remove.
159 * tree.h: Remove the prototype for add_var_to_bind_expr.
161 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
163 * regclass.c (n_non_fixed_regs): Remove.
164 (init_reg_sets_1, globalize_reg): Remove all uses of
166 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
168 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
170 * rtlanal.c (insns_safe_to_move_p): Remove.
171 * rtl.h: Remove the prototype for insns_safe_to_move_p.
173 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
175 * expmed.c (expand_mult_add): Remove.
176 * expr.h: Remove the prototype for expand_mult_add.
178 2006-03-04 Jakub Jelinek <jakub@redhat.com>
180 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
181 and REG_SAVED_VAL_EXP constants.
182 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
183 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
184 Handle regs stored by value.
185 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
186 (execute_cfa_program): Handle DW_CFA_val_offset,
187 DW_CFA_val_offset_sf and DW_CFA_val_expression.
188 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
189 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
190 (uw_install_context_1): Handle target regs stored by value.
192 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
194 * tree-sra.c (tree_sra): Return todoflags;
195 (generate_one_element): Set TODO_update_smt_usage if needed.
196 (pass_sra): Remove TODO_update_smt_usage.
197 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
199 (tree_ssa_forward_propagate_single_use_vars): Return
200 TODO_update_smt_usage if we need to update SMT usage.
201 (pass_forwprop): Remove TODO_update_smt_usage.
203 2006-03-03 Diego Novillo <dnovillo@redhat.com>
205 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
206 (correct_use_link): Remove reference to get_stmt_operands.
207 (update_stmt_operands): Likewise.
208 (get_modify_expr_operands): New function factored out of
209 parse_ssa_operands and get_expr_operands.
210 Try to create V_MUST_DEFs for LHS by default.
211 (get_expr_operands) <case MODIFY_EXPR>: Call
212 get_modify_expr_operands.
213 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
214 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
215 (parse_ssa_operands) <case MODIFY_EXPR>: Call
216 get_modify_expr_operands.
218 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
220 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
221 * tree-flow.h: Remove the prototype for
222 referenced_var_lookup_if_exists.
224 2006-03-03 Steve Ellcey <sje@cup.hp.com>
226 PR rtl-optimization/26345
228 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
230 2006-03-03 Roger Sayle <roger@eyesopen.com>
232 PR tree-optimization/26524
233 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
234 fold_convert to create a constant of the appropriate type.
236 2006-03-03 Richard Sandiford <richard@codesourcery.com>
238 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
239 SYMBOL_REF_IN_BLOCK_P.
240 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
241 of SYMBOL_FLAG_IN_BLOCK.
242 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
243 instead of SYMBOL_REF_IN_BLOCK_P.
244 * explow.c (use_anchored_address): Likewise.
245 * rtl.c (rtx_size): Likewise.
246 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
247 instead of SYMBOL_FLAG_IN_BLOCK.
248 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
249 SYMBOL_REF_IN_BLOCK_P.
250 (assemble_variable): Likewise.
251 (output_constant_def_contents): Likewise.
252 (output_constant_pool): Likewise.
253 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
254 instead of SYMBOL_FLAG_IN_BLOCK.
255 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
256 SYMBOL_REF_IN_BLOCK_P.
257 (SYMBOL_REF_BLOCK): Likewise.
258 (SYMBOL_REF_OFFSET): Likewise.
259 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
260 SYMBOL_REF_IN_BLOCK_P.
261 (SYMBOL_FLAG_IN_BLOCK): Replace with...
262 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
263 (SYMBOL_REF_IN_BLOCK_P): Replace with...
264 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
266 2006-03-03 Jakub Jelinek <jakub@redhat.com>
268 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
270 2006-03-02 Roger Sayle <roger@eyesopen.com>
272 * simplify-rtx.c (simplify_unary_operation): When simplifying
273 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
274 that we perform the right shift in the appropriate mode, and
275 then extend or truncate the result to requested mode.
277 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
279 * gengtype.c (main): Handle double_int type.
280 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
281 * double-int.c: New file.
282 * double-int.h: New file.
283 * system.h: Include doubleint.h.
284 * Makefile.in (SYSTEM_H): Include double-int.h.
287 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
290 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
293 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
295 * tree-vrp.c (remove_range_assertions): Do not update statements
298 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
300 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
302 * gcse.c (rest_of_handle_gcse): Ditto.
303 * except.c (gate_handle_eh): Ditto.
304 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
305 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
307 2006-03-02 Eric Christopher <echristo@apple.com>
309 * config/i386/i386.c (machopic_output_stub): Add indirection to
312 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
316 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
318 Sun Niagara specific optimizations.
319 * config.gcc: Recognize niagara as target.
320 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
321 (TARGET_CPU_niagara): Define.
322 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
323 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
324 (CPP_CPU_SPEC): Handle -mcpu=niagara.
325 (ASM_CPU_SPEC): Likewise.
326 (PROCESSOR_NIAGARA): New enum entry.
327 (REGISTER_MOVE_COST): Handle Niagara.
328 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
329 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
330 (sparc_override_options): Recognize "niagara", set appropriate
331 default MASK_* values for it, and align functions to 32-bytes
332 by default just like ULTRASPARC/ULTRASPARC3.
333 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
334 (sparc64_initialize_trampoline): Likewise.
335 (sparc_use_sched_lookahead): Use zero for niagara.
336 (sparc_issue_rate): Use one for niagara.
337 * config/sparc/niagara.md: New file.
338 * config/sparc/sparc.md: Include it.
339 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
340 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
341 when default cpu is niagara.
342 (CPP_CPU_SPEC): Handle -mcpu=niagara.
343 (ASM_CPU_SPEC): Likewise.
344 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
345 when default cpu is niagara.
346 (ASM_CPU_SPEC): Handle -mcpu=niagara.
347 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
348 just like v9/ultrasparc/ultrasparc3.
349 * doc/invoke.texi: Add documentation for "niagara" and improve
350 existing documentation for ultrasparc variants.
352 2006-03-02 Diego Novillo <dnovillo@redhat.com>
354 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
356 2006-03-02 Richard Sandiford <richard@codesourcery.com>
358 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
359 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
360 and say that only one is needed.
361 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
362 * target.h (have_switchable_bss_sections): New hook.
363 * explow.c (use_anchored_address): Check that the symbol is in a block.
364 * varasm.c (tls_comm_section, comm_section, lcomm_section)
365 (bss_noswitch_section): New variables.
366 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
367 (get_noswitch_section): New function.
368 (get_block_for_section): Allow SECT to be null.
369 (unlikely_text_section_p): Use SECTION_STYLE.
370 (bss_initializer_p): New function.
371 (get_variable_section): Move earlier in file. Take a new argument,
372 prefer_noswitch_p. Move bss checks from assemble_variable to here.
373 Return one of the new *_sections in such cases.
374 (get_block_for_decl): New function, extracting some logic from
375 use_blocks_for_decl_p.
376 (change_symbol_section): Remove in favor of...
377 (change_symbol_block): ...this new function.
378 (use_blocks_for_decl_p): Remove checks now performed by
380 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
381 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
382 (emit_local, emit_bss, emit_common): ...these new functions.
383 Return true if the alignment was honored.
384 (emit_tls_common): New function.
385 (asm_emit_uninitialised): Delete.
386 (assemble_variable_noswitch): New function, split out from...
387 (assemble_variable): ...here. Don't make decisions about common
388 variables here. Globalize all public decls that go into non-common
389 sections. Check whether SYMBOL_REF_BLOCK is null.
390 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
391 (output_constant_pool): Likewise.
392 (init_varasm_once): Initialize the new section variables.
393 (have_global_bss_p): New function.
394 (categorize_decl_for_section): Use bss_initializer_p.
395 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
396 (place_block_symbol): Assert that the symbol must be in a block.
397 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
398 (TARGET_INITIALIZER): Include it.
399 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
400 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
401 (SECTION_MACH_DEP): Bump by two.
402 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
403 (unnamed_section): Mention SECTION_UNNAMED in comment.
404 (named_section): Likewise SECTION_NAMED.
405 (noswitch_section_callback): New type.
406 (noswitch_section): New structure.
407 (section): Add a noswitch_section alternative.
408 (SECTION_STYLE): New macro.
409 (tls_comm_section, comm_section, lcomm_section): Declare.
410 (bss_noswitch_section, have_global_bss_p): Declare.
411 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
412 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
414 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
415 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
418 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
420 * gcc/tree-vrp.c (execute_vrp): Return value.
421 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
422 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
423 * gcc/tree-complex.c (tree_lower_complex): Ditto.
424 (tree_lower_complex_O0): Ditto.
425 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
426 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
427 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
428 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
429 (execute_tail_calls): Ditto.
430 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
431 * gcc/tree.h (init_function_for_compilation): Ditto.
432 * gcc/ipa-cp.c (ipcp_driver): Ditto.
433 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
434 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
435 * gcc/final.c (compute_alignments): Ditto.
436 (rest_of_handle_final): Ditto.
437 (rest_of_handle_shorten_branches): Ditto.
438 (rest_of_clean_state): Ditto.
439 * gcc/omp-low.c (execute_expand_omp): Ditto.
440 (execute_lower_omp): Ditto.
441 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
442 * gcc/ipa-reference.c (static_execute): Ditto.
443 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
444 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
445 (rest_of_handle_machine_reorg): Ditto.
446 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
447 * gcc/flow.c (recompute_reg_usage): Ditto.
448 (rest_of_handle_remove_death_notes): Ditto.
449 (rest_of_handle_life): Ditto.
450 (rest_of_handle_flow2): Ditto.
451 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
452 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
453 (do_ssa_store_ccp): Ditto.
454 (execute_fold_all_builtins): Ditto.
455 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
456 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
457 * gcc/ipa-pure-const.c (static_execute): Ditto.
458 * gcc/cse.c (rest_of_handle_cse): Ditto.
459 (rest_of_handle_cse2): Ditto.
460 * gcc/web.c (rest_of_handle_web): Ditto.
461 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
462 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
463 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
464 * gcc/tree-nrv.c (tree_nrv): Ditto.
465 (execute_return_slot_opt): Ditto.
466 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
467 (create_structure_vars): Ditto.
468 * gcc/loop-init.c (rtl_loop_init): Ditto.
469 (rtl_loop_done): Ditto.
470 (rtl_move_loop_invariants): Ditto.
471 (rtl_unswitch): Ditto.
472 (rtl_unroll_and_peel_loops): Ditto.
474 * gcc/gimple-low.c (lower_function_body): Ditto.
475 (mark_used_blocks): Ditto.
476 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
477 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
478 (cgraph_early_inlining): Ditto.
479 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
480 * gcc/jump.c (cleanup_barriers): Ditto.
481 (purge_line_number_notes): Ditto.
482 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
483 (rest_of_handle_if_after_reload): Ditto.
484 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
485 (tree_ssa_loop_im): Ditto.
486 (tree_ssa_loop_unswitch): Ditto.
487 (tree_vectorize): Ditto.
488 (tree_linear_transform): Ditto.
489 (tree_ssa_loop_ivcanon): Ditto.
490 (tree_ssa_empty_loop): Ditto.
491 (tree_ssa_loop_bounds): Ditto.
492 (tree_complete_unroll): Ditto.
493 (tree_ssa_loop_prefetch): Ditto.
494 (tree_ssa_loop_ivopts): Ditto.
495 (tree_ssa_loop_done): Ditto.
496 * gcc/predict.c (tree_estimate_probability): Ditto.
497 * gcc/recog.c (split_all_insns_noflow): Ditto.
498 (rest_of_handle_peephole2): Ditto.
499 (rest_of_handle_split_all_insns): Ditto.
500 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
501 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
502 (rest_of_handle_stack_adjustments): Ditto.
503 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
504 * gcc/function.c (instantiate_virtual_regs): Ditto.
505 (init_function_for_compilation): Ditto.
506 (rest_of_handle_check_leaf_regs): Ditto.
507 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
508 (rest_of_handle_gcse): Ditto.
509 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
510 * gcc/alias.c (rest_of_handle_cfg): Ditto.
511 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
512 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
513 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
514 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
515 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
516 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
517 * gcc/except.c (set_nothrow_function_flags): Ditto.
518 (convert_to_eh_region_ranges): Ditto.
519 (rest_of_handle_eh): Ditto.
520 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
521 (remove_unnecessary_notes): Ditto.
522 * gcc/except.h (set_nothrow_function_flags): Ditto.
523 (convert_to_eh_region_ranges): Ditto.
524 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
525 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
526 * gcc/tree-ssa-pre.c (do_pre): Ditto.
527 (execute_fre): Ditto.
528 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
529 (rest_of_handle_jump2): Ditto.
530 * gcc/tree-sra.c (tree_sra): Ditto.
531 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
532 (execute_mudflap_function_decls): Ditto.
533 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
534 (do_store_copy_prop): Ditto.
535 * gcc/ipa-prop.h (ipcp_driver): Ditto.
536 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
537 * gcc/tree-ssa-forwprop.c
538 (tree_ssa_forward_propagate_single_use_vars): Ditto.
539 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
540 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
541 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
542 (execute_late_warn_uninitialized): Ditto.
543 * gcc/rtl.h (cleanup_barriers): Ditto.
544 (split_all_insns_noflow): Ditto.
545 (purge_line_number_notes): Ditto.
546 (unshare_all_rtl): Ditto.
547 (remove_unnecessary_notes): Ditto.
548 (recompute_reg_usage): Ditto.
549 (variable_tracking_main): Ditto.
550 * gcc/integrate.c (emit_initial_value_sets): Ditto.
551 * gcc/integrate.h (emit_initial_value_sets): Ditto.
552 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
553 (execute_free_cfg_annotations): Ditto.
554 (execute_fixup_cfg): Ditto.
555 (execute_cleanup_cfg_pre_ipa): Ditto.
556 (execute_cleanup_cfg_post_optimizing): Ditto.
557 (execute_init_datastructures): Ditto.
558 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
559 * gcc/combine.c (rest_of_handle_combine): Ditto.
560 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
561 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
562 (rest_of_handle_reorder_blocks): Ditto.
563 (rest_of_handle_partition_blocks): Ditto.
564 * gcc/var-tracking.c (variable_tracking_main): Ditto.
565 * gcc/tree-profile.c (tree_profiling): Ditto.
566 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
567 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
568 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
569 (rest_of_handle_sched2): Ditto.
570 * gcc/basic-block.h (free_bb_insn): Ditto.
571 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
572 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
573 (remove_useless_stmts): Ditto.
574 (split_critical_edges): Ditto.
575 (execute_warn_function_return): Ditto.
576 (execute_warn_function_noreturn): Ditto.
577 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
578 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
579 * gcc/passes.c (execute_one_pass): Run additional
580 todos returned by execute function.
581 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
584 2006-03-02 Richard Guenther <rguenther@suse.de>
586 * tree-ssa-alias.c (find_used_portions): Consider taking
587 the address as making the variable not write-only.
589 2006-03-02 Nick Clifton <nickc@redhat.com>
591 * config.gcc (default_use_cxa_atexit): Extend the description of
592 this configure variable. Set its default value to "yes" for
593 Linux, NetBSD and ELF targets on the assumption that they will
594 use C libraries with the __cxa_atexit function.
596 2006-03-02 Ben Elliston <bje@au.ibm.com>
598 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
599 parameter as unused to suppress a build warning.
601 2006-03-02 Ben Elliston <bje@au.ibm.com>
603 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
606 2006-03-01 Roger Sayle <roger@eyesopen.com>
609 * gthr-posix.h (__gthrw2): Define to take three parameters, the
610 declared name, the weak reference name, and the typeof name.
611 (__gthrw): Avoid expanding the declared name suffix.
612 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
614 2006-03-01 Jakub Jelinek <jakub@redhat.com>
616 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
618 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
619 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
620 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
621 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
622 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
623 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
624 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
625 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
626 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
627 DW_DS_leading_separate, DW_DS_trailing_separate): New.
628 (DW_END_default, DW_END_big, DW_END_little): New.
629 (DW_END_lo_user, DW_END_hi_user): Define.
630 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
631 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
632 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
635 2006-03-01 Diego Novillo <dnovillo@redhat.com>
637 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
639 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
641 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
643 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
645 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
648 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
651 2006-03-01 Roger Sayle <roger@eyesopen.com>
653 * builtins.c (fold_builtin_copysign): Delete unreachable code.
655 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
658 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
659 MACHO_DYNAMIC_NO_PIC_P.
660 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
662 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
665 * config/darwin-protos.h (darwin_asm_output_anchor):
667 * config/darwin-sections.def (cstring_section):
668 Add SECTION_MERGE to the flags.
669 (literal4_section): Likewise.
670 (literal8_section): Likewise.
671 (objc_selector_refs_section): Likewise.
672 (objc_cls_refs_section): Likewise.
673 * config/darwin.c (darwin_asm_output_anchor): New
675 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
677 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
679 Fix PR tree-optimization/26443
680 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
681 to todo and PROP_tmt_usage to properties_destroyed.
682 * tree-ssa-ccp.c (pass_ccp): Ditto.
683 (pass_store_ccp): Ditto.
684 * tree-ssa-dom.c (pass_dominator): Ditto.
686 2006-03-01 Diego Novillo <dnovillo@redhat.com>
688 * tree-ssa-operands.c: Cleanup whitespace.
689 (get_asm_expr_operands): Move before first invocation.
690 (get_indirect_ref_operands): Likewise.
691 (get_tmr_operands): Likewise.
692 (get_call_expr_operands): Likewise.
693 (append_def): Likewise.
694 (append_use): Likewise.
695 (append_v_may_def): Likewise.
696 (append_v_must_def): Likewise.
697 (add_call_clobber_ops): Likewise.
698 (add_call_read_ops): Likewise.
699 (add_stmt_operand): Likewise.
700 (add_virtual_operand): Likewise.
701 (build_ssa_operands): Likewise.
703 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
708 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
709 with a call expr to ...
710 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
712 2006-03-01 Diego Novillo <dnovillo@redhat.com>
714 * tree-vrp.c (extract_range_from_assert): Remove special
715 handling for types with super-types.
717 2006-03-01 Ben Elliston <bje@au.ibm.com>
719 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
720 and powerpc64-*-linux* configurations.
721 * config/t-dfprules: New file.
723 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
724 Compile dfp-bit.c from the source directory using -DWIDTH and
725 $DFP_CFLAGS to control the compilation of that file, rather than
726 generating width-specific versions in the build directory.
727 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
728 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
730 2006-02-28 Zack Weinberg <zackw@panix.com>
732 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
735 2006-02-28 Eric Christopher <echristo@apple.com>
737 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
738 Set up IN_LIBGCC definition of TARGET_64BIT.
739 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
741 2006-02-28 Roger Sayle <roger@eyesopen.com>
744 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
745 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
746 cases via the construction of "expr != 0".
748 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
750 * alias.c (alias_invariant, alias_invariant_size): Remove.
751 (record_base_value): Remove.
752 (memrefs_conflict_p): Don't look at alias_invariant.
753 (end_alias_analysis): Don't free it.
754 * alias.h (record_base_value): Remove prototype.
756 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
757 Adam Nemet <anemet@caviumnetworks.com>
759 * rtl.h (truncated_to_mode): Declare it.
760 (struct rtl_hooks): Add reg_truncated_to_mode hook.
761 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
762 (RTL_HOOKS_INITIALIZER): Include it.
763 * rtlhooks.c (reg_truncated_to_mode_general): New function.
764 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
765 reg_truncated_to_mode.
766 * rtlanal.c (truncated_to_mode): Define it.
767 * simplify-rtx.c (simplify_unary_operation_1): Use it.
769 2006-02-28 Jeff Law <law@redhat.com>
771 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
772 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
773 the range allowed by TYPE_PRECISION.
775 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
777 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
779 PR tree-optimization/26419
780 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
783 2006-02-27 Zack Weinberg <zackw@panix.com>
785 * doc/md.texi: Fix typo in previous change.
787 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
791 2006-02-27 Zack Weinberg <zackw@panix.com>
793 * rtl.def (define_constraint, define_register_constraint)
794 (define_memory_constraint, define_address_constraint): New MD forms.
795 * gensupport.c (process_rtx): Put define_constraint etc on the
797 * genpreds.c (process_define_predicate): Adjust comment. Validate
798 the name, and call validate_exp to validate the expression.
799 (mark_mode_tests, write_extract_subexp): Can assume correct input.
800 (write_predicate_expr): Likewise. NAME argument no longer necessary;
802 (validate_exp, needs_variable, struct constraint_data)
803 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
804 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
805 (const_dbl_constraints, constraint_max_namelen)
806 (have_register_constraints, have_memory_constraints)
807 (have_address_constraints, have_address_constraints)
808 (have_extra_constraints, have_const_int_constraints)
809 (have_const_dbl_constraints, mangle, add_constraint)
810 (process_define_constraint, process_define_register_constraint)
811 (write_enum_constraint_num, write_lookup_constraint)
812 (write_insn_constraint_len, write_regclass_for_constraint)
813 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
814 (write_insn_extra_memory_constraint)
815 (write_insn_extra_address_constraint)
816 (write_satisfies_constraint_fns): New.
817 (write_tm_preds_h): If we have new-style constraint definitions,
818 prototype the functions generated from them, and define the
819 old constraint interface (still used by generic code) in terms of
821 (write_insn_preds_c): If we have new-style constraint definitions,
822 generate all relevant functions from those definitions.
823 (main): Handle define_constraint etc.
824 * genoutput.c (struct constraint_data, indep_constraints)
825 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
826 (mdep_constraint_len): New data structures and functions, defined
827 #ifdef USE_MD_CONSTRAINTS.
828 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
829 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
830 use new logic to validate operand constraints against constraint
832 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
834 * defaults.h: If none of the old-style constraint macros are
835 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
836 old-style macros; and poison REG_CLASS_FROM_LETTER,
837 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
839 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
840 * doc/md.texi: Document new constraint-definition mechanism and the
841 C interface it provides. Remove references to old mechanism
842 elsewhere in the document.
843 (Machine Constraints): Use pathnames relative to gcc directory,
844 i.e. config/ARCH/FILE. Change i386 section to refer to
845 config/i386/predicates.md; update that section to match docstrings.
846 * doc/tm.texi: Move all documentation of the old constraint-
847 definition macros to their own section, clearly mark as obsolete.
849 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
850 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
852 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
853 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
854 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
856 (splits and peepholes): Use satisfies_constraint_*.
857 * config/i386/i386.c (memory_address_length)
858 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
860 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
862 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
863 scalar operation to be put back into the loop.
865 2006-02-27 Jakub Jelinek <jakub@redhat.com>
868 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
869 (extract_cie_info): Handle S flag in augmentation string.
870 (execute_cfa_program): If context->signal_frame, execute also
871 fs->pc == context->ra instructions.
872 (uw_frame_state_for): If context->signal_frame, don't subtract one
873 from context->ra to find FDE.
874 (uw_update_context_1): Set context->signal_frame to
876 (_Unwind_GetIPInfo): New function.
877 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
878 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
880 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
881 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
882 * unwind-compat.c (_Unwind_GetIPInfo): New function.
883 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
884 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
885 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
886 * config/i386/linux-unwind.h (x86_fallback_frame_state,
887 x86_64_fallback_frame_state): Set fs->signal_frame.
888 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
889 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
890 (frob_update_context): Likewise. Workaround missing S flag in
891 Linux 2.6.12 - 2.6.16 kernel vDSOs.
892 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
893 Remove the psw_addr + 1 hack.
895 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
897 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
898 with aggregates here.
899 (find_func_aliases): Remove code for &<aggregate> from here.
901 2006-02-26 Roger Sayle <roger@eyesopen.com>
903 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
904 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
905 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
908 2006-02-26 Roger Sayle <roger@eyesopen.com>
911 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
913 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
915 * opts.c (decode_options): Do not handle flag_strength_reduce.
916 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
917 and OPT_fstrength_reduce.
918 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
919 flag_prefetch_loop_arrays for being nonzero.
920 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
922 (fprefetch-loop-arrays-rtl): Removed.
923 (flag_prefetch_loop_arrays): Do not specify the value.
925 * doc/passes.texi: Update documentation of loop optimizer
927 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
928 -frerun-loop-opt): Remove.
930 2006-02-26 Richard Guenther <rguenther@suse.de>
932 PR tree-optimization/26421
933 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
934 in function calls that are ADDR_EXPRs as using the whole structure.
936 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
938 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
939 * tree-pass.h (pass_loop_optimize): Remove.
940 * passes.c (pass_loop_optimize): Never run it.
941 * toplev.c (backend_init): Don't call init_loop.
942 * opts.c (flag_loop_optimize_set): Remove.
943 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
944 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
945 the old RTL loop optimizer when profiling enabled.
946 * predict.c (tree_estimate_probability): Always strip builtin_expect.
947 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
948 pre-headers for the sake of the old RTL loop optimizer.
949 * Makefile.in: Remove all references to loop.o.
951 * doc/invoke.texi: Remove all references to -floop-optimize
952 and -frerun-loop-opt.
954 2006-02-26 Zack Weinberg <zackw@panix.com>
956 * doc/md.texi (Machine Constraints): Refer to all files with paths
957 relative to gcc directory (i.e. config/CPU/file). Add missing
958 @table @code ... @end table to M32C subsection.
960 2006-02-26 Roger Sayle <roger@eyesopen.com>
962 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
964 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
966 2006-02-26 Roger Sayle <roger@eyesopen.com>
967 James A. Morrison <phython@gcc.gnu.org>
970 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
971 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
972 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
973 signedness of the shift operation.
975 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
977 PR tree-optimization/26359
978 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
980 2006-02-25 Roger Sayle <roger@eyesopen.com>
982 * simplify-rtx.c (simplify_relational_operation_1): Simplify
983 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
984 as X == 0, and some symmetry related transformations.
985 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
987 2006-02-25 Roger Sayle <roger@eyesopen.com>
990 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
991 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
992 symmetry related transformations. Fold (X^C1) == C2 as
995 2006-02-25 Juergen Weigert <jw@suse.de>
996 Richard Guenther <rguenther@suse.de>
998 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
1000 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
1002 * combine.c (gen_lowpart_or_truncate): Call
1003 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
1005 2006-02-24 Diego Novillo <dnovillo@redhat.com>
1007 * doc/invoke.texi: Move -fopenmp description to "Options for
1009 Remove reference to -lgomp.
1011 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1013 * doc/install.texi: Require GNU tar version 1.14.
1015 2006-02-24 Geoffrey Keating <geoffk@apple.com>
1017 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
1018 * doc/invoke.texi (C++ Dialect Options): Document
1019 -fno-use-cxa-get-exception-ptr.
1020 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
1021 * configure: Regenerate.
1022 * c.opt (fuse-cxa-get-exception-ptr): New.
1023 * c-opts.c (c_common_handle_option): Handle
1024 OPT_fuse_cxa_get_exception_ptr.
1025 * c-common.c (flag_use_cxa_atexit): Update documentation.
1026 (flag_use_cxa_get_exception_ptr): New.
1027 * c-common.h (flag_use_cxa_get_exception_ptr): New.
1028 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
1030 (C_COMMON_OVERRIDE_OPTIONS): New.
1032 2006-02-24 Roger Sayle <roger@eyesopen.com>
1035 * combine.c (try_combine): Explicitly check whether GET_CODE is
1036 a SET or a CLOBBER, instead on checking that it isn't a USE.
1038 2006-02-24 Roger Sayle <roger@eyesopen.com>
1040 * fold-const.c (fold_comparison): New subroutine of fold_binary
1041 containing transformations common to both the equality and
1042 ordering relational operators, factored out of fold_binary.
1043 (fold_binary): Separate out the equality operators (EQ_EXPR
1044 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
1045 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
1046 transformations common to both.
1047 (fold_div_compare): Fix latent bugs in the previously unreachable
1048 LT_EXPR and GE_EXPR cases.
1050 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1052 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
1053 decl libname for clog to __clog on AIX.
1055 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
1057 2006-02-24 Alan Modra <amodra@bigpond.net.au>
1060 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
1061 output traceback table for thunks. Localise rs6000_stack_info call.
1063 2006-02-23 Roger Sayle <roger@eyesopen.com>
1064 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1066 * gthr-posix.h (__gthrw): Fix typo in comment.
1068 2006-02-23 Geoffrey Keating <geoffk@apple.com>
1070 * doc/cpp.texi (Character sets): Document that we do support
1071 input files to be in any character set.
1073 2006-02-23 Jeff Law <law@redhat.com>
1075 * tree.h (PHI_ARG_NONZERO): Remove.
1076 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
1077 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
1078 node to the new node.
1080 PR tree-optimization/26425
1081 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
1082 min/max, then assume its varying.
1084 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1086 PR rtl-optimization/26316
1087 * rtlanal.c (enum may_trap_p_flags): New.
1088 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
1089 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
1090 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
1091 (may_trap_after_code_motion_p): New function.
1092 * loop-invariant.c (find_identical_invariants): Fix dump formating.
1093 (find_invariant_insn): Use may_trap_after_code_motion_p.
1094 * rtl.h (may_trap_after_code_motion_p): Declare.
1096 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1098 * emit-rtl.c (immed_double_const): Cleanup.
1100 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
1102 Fix PR tree-optimization/26376
1103 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
1106 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1109 * gimplify.c (omp_add_variable): Guard variable size decl test with
1110 DECL_SIZE (decl) check.
1112 2006-02-23 Richard Guenther <rguenther@suse.de>
1115 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
1116 like aggregate types.
1118 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1120 * configure.ac: Add --with{,out}-long-double-128 configure option.
1121 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
1122 * configure: Rebuilt.
1123 * config.in: Rebuilt.
1124 * doc/install.texi (Options specification): Document
1125 --with-long-double-128.
1127 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1128 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1129 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1130 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1132 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
1134 * config/s390/s390.c (override_options): Handle
1135 TARGET_DEFAULT_LONG_DOUBLE_128.
1137 * config/alpha/alpha.c (override_options): Handle
1138 TARGET_DEFAULT_LONG_DOUBLE_128.
1140 * config/sparc/sparc.c (sparc_override_options): Handle
1141 TARGET_DEFAULT_LONG_DOUBLE_128.
1143 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
1145 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
1146 (real-install-headers-tar, real-install-headers-cpio)
1147 (real-install-headers-cp): New targets.
1149 2006-02-22 Richard Sandiford <richard@codesourcery.com>
1151 * tree.h (variable_section): Delete.
1152 * varasm.c (variable_section): Delete.
1154 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
1156 * install.texi: Add notes on install.texi2html.
1157 (Building in parallel): Do not use footnotes.
1159 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
1162 * doc/install.texi (Configuration): Document --disable-libgomp.
1164 2006-02-21 Geoffrey Keating <geoffk@apple.com>
1166 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
1168 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1170 * config/i386/sse.md (vec_extractv2df_1_sse): New.
1171 (vec_extractv2df_0_sse): New.
1173 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1175 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
1176 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
1177 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
1178 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
1179 to the result of the expression.
1180 (def_cfa_1): Adjust.
1181 (frame_pointer_cfa_offset): Rename to...
1182 (frame_pointer_fb_offset): ... this. Adjust all uses.
1183 (convert_cfa_to_loc_list): Rename to...
1184 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
1185 Pass it on to build_cfa_loc.
1186 (compute_frame_pointer_to_cfa_displacement): Rename to...
1187 (compute_frame_pointer_to_fb_displacement): ... this. New
1188 offset parameter. Use it in computation.
1189 (gen_subprogram_die): Compute cfa_fb_offset with the new
1190 macro, and use it to compute the fb loc list and the
1193 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
1195 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
1196 replaced with register_operand.
1197 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
1198 non-DREG is expensive.
1199 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
1200 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
1203 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
1205 * doc/install.texi2html: Use set -e.
1207 2006-02-21 Richard Sandiford <richard@codesourcery.com>
1209 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1210 (ASM_OUTPUT_SHARED_LOCAL): Delete.
1211 * doc/invoke.texi (-fshared-data): Delete.
1212 * common.opt (fshared-data): Delete.
1213 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
1214 (assemble_static_space): Remove #if 0 code.
1215 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1216 (ASM_OUTPUT_SHARED_LOCAL): Poison.
1217 * config/cris/cris.h: Remove FIXME.
1219 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
1221 * doc/sourcebuild.texi (Front End Directory): No more double-colon
1224 2006-02-21 Jakub Jelinek <jakub@redhat.com>
1227 * combine.c (simplify_shift_const_1): Disable nested shifts
1228 optimization for vector shifts.
1230 2006-02-20 Roger Sayle <roger@eyesopen.com>
1232 PR tree-optimization/26361
1233 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
1234 of unsigned integer types.
1236 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
1238 * tree-chrec.c (eq_evolutions_p): New.
1239 * tree-chrec.h (eq_evolutions_p): Declared.
1240 * tree-data-ref.c: Fix formatting.
1241 (datadep_stats, dependence_stats): New.
1243 (print_direction_vector): New.
1244 (dump_data_dependence_relation): Use print_direction_vector.
1245 (object_analysis, create_data_ref): Handle COMPONENT_REF.
1246 (compute_subscript_distance): Static.
1247 (initialize_data_dependence_relation): Static. Get the number
1248 of loops surrounding the references from the callers, and initialize
1249 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
1250 base_object_differ_p analyzers.
1251 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
1252 compute_overlap_steps_for_affine_1_2,
1253 analyze_subscript_affine_affine): Count the classified dependences.
1254 Print a message when a test failed.
1255 (can_use_analyze_subscript_affine_affine): New.
1256 (analyze_siv_subscript): Compute the data dependences on symbolic
1257 scevs that verify can_use_analyze_subscript_affine_affine.
1258 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
1259 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
1260 Handle symbolic scevs.
1261 (analyze_overlapping_iterations): Let symbolic affine scevs to be
1263 (subscript_dependence_tester): Moved...
1264 (build_classic_dist_vector, build_classic_dir_vector): Don't use
1265 lambda_vector_clear on newly allocated vectors. Get nb_loops from
1266 DDR_SIZE_VECT instead of getting it in parameter.
1267 (subscript_dependence_tester): ... here. Take as a parameter
1268 loop_nest_depth. Call build_classic_dist_vector and
1269 build_classic_dir_vector.
1270 (compute_affine_dependence): Update subscript_dependence_tester
1271 parameters. Update datadep_stats counters. Call
1272 compute_subscript_distance.
1273 (compute_self_dependence): Save the dist and dir vectors. Call
1274 compute_subscript_distance.
1275 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
1276 (compute_all_dependences): Reorder parameters as they were before
1277 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
1278 compute_subscript_distance. Update the use of
1279 compute_affine_dependence and initialize_data_dependence_relation.
1280 (find_data_references_in_loop): Handle COMPONENT_REF.
1281 (compute_data_dependences_for_loop): Initialize dependence_stats.
1282 Don't call build_classic_dist_vector and build_classic_dir_vector.
1283 Update the parameters of initialize_data_dependence_relation and
1284 compute_all_dependences. Print the statistics from datadep_stats.
1285 (analyze_all_data_dependences): Static. Not used until the pass for
1286 checking the data dependences is contributed.
1287 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
1288 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
1289 (initialize_data_dependence_relation, compute_affine_dependence,
1290 analyze_all_data_dependences, compute_subscript_distance): Removed.
1291 (print_direction_vector): New.
1292 * lambda.h (gcd): ... here.
1293 (lambda_vector_gcd): Moved here from gcd_vector.
1294 * lambda-code.c (gcd, gcd_vector): Removed.
1295 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
1296 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
1298 2006-02-20 Diego Novillo <dnovillo@redhat.com>
1300 * ipa-type-escape.c: Tidy some comments and white space.
1301 * tree-ssa-operands.c: Likewise.
1303 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
1306 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
1307 (dump_decl_name): Do not walk the decl tree chains.
1308 * tree-pass.h (TDF_CHAIN): Remove.
1310 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1312 * Makefile.in (C): Remove
1314 (.PHONY): Remove C and PROTO
1316 2006-02-20 Roger Sayle <roger@eyesopen.com>
1319 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
1320 deprecated CHAR_TYPE tree code.
1322 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1324 * configure.ac (target_list): Add install-info, dvi, html.
1325 * configure: Regenerate.
1327 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
1328 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
1329 treelang/Make-lang.in: Do not use double-colon rules.
1331 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
1333 * tree.h (struct tree_memory_tag): Add is_used_alone member.
1334 (TMT_USED_ALONE): New macro.
1335 * tree-pass.h (PROP_tmt_usage): New property.
1336 (TODO_update_tmt_usage): New todo.
1337 * tree-ssa-alias.c (updating_used_alone): New variable.
1338 (recalculate_used_alone): New function.
1339 (compute_may_aliases): Set updating_used_alone, call
1340 recalculate_used_alone.
1341 * tree-sra.c (pass_sra): Note that this pass destroys
1342 PROP_tmt_usage, and add TODO_update_tmt_usage.
1343 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1344 * tree-flow.h (updating_used_alone): Prototype.
1345 (recalculate_used_alone): Ditto.
1346 * passes.c (execute_todo): Add code to set updating_used_alone,
1347 and call recalculate.
1348 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
1349 for clobber if used alone, and add assert to verify used_alone
1352 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
1354 * config/s390/s390.c (legitimize_pic_address): Assertions checking
1355 for non tls symbols added.
1356 (legitimize_address): Do nothing for PLUS expressions if one of the
1357 addends is a tls symbol reference.
1359 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1363 * Makefile.in (LDFLAGS): Define from autoconf substitution.
1365 * Makefile.in (BOOTSTRAPPING): New.
1366 (quickstrap): New definition if BOOTSTRAPPING=yes.
1368 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
1369 * configure.ac: Substitute all_selected_languages with the languages
1370 that were configured. For all the other variables except
1371 lang_specs_files, include all the languages in the tree.
1372 * configure: Regenerate.
1374 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
1375 if there is one. Run the commands to run fixincludes in the same
1378 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
1379 * doc/install.texi: Document exact conventions for searching target tools.
1380 Document --with-build-time-tools. Document toplevel bootstrap. Document
1381 something more about building an Ada cross-compiler. Don't list GNU Make
1382 requirements which affect all platforms.
1384 2006-02-19 Roger Sayle <roger@eyesopen.com>
1387 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
1388 only equivalent if the have both the same mode and precision.
1390 2006-02-20 Ben Elliston <bje@au.ibm.com>
1392 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
1394 2006-02-19 Roger Sayle <roger@eyesopen.com>
1395 Steven Bosscher <stevenb.gcc@gmail.com>
1397 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
1398 constant pool references to identify stack mode constants.
1399 * rtlanal.c (constant_pool_constant_p): New predicate to check
1400 whether operand is a floating point constant in the pool.
1401 * rtl.h (constant_pool_constant_p): Prototype here.
1402 * loop.c (scan_loop): Avoid hoisting constants from the constant
1403 pool on STACK_REGS targets.
1404 (load_mems): Likewise.
1405 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
1406 loads into x87 registers expensive in terms of register pressure.
1408 2006-02-19 Roger Sayle <roger@eyesopen.com>
1410 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
1411 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
1413 2006-02-19 David Edelsohn <edelsohn@gnu.org>
1415 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
1416 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
1418 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
1420 * doc/invoke.texi: Document -fipa-pta.
1421 * common.opt: Add ipa-pta option.
1422 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
1423 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
1424 (do_ds_constraint): Ditto.
1425 (get_constraint_for): Only add to referenced_vars if
1426 referenced_vars exists.
1427 (insert_into_field_list): Rewrite to do this unsorted.
1428 (insert_into_field_list_sorted): Rename old insert_into_field_list
1430 (create_function_info_for): Use insert_into_field_list_sorted.
1431 (create_variable_info_for): Rewrite so it uses unsorted version,
1432 since the field list is sorted.
1433 (intra_create_variable_infos): Only add to referenced_vars if
1434 referenced_vars exists.
1435 (ipa_pta_execute): Init heapvars, and delete when done.
1436 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
1438 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1440 * doc/install.texi: Add missing `@samp'.
1442 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1444 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
1447 2006-02-18 Mark Wielaard <mark@klomp.org>
1449 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
1450 who added new 4.1 features, bug fixes and integration support.
1452 2006-02-18 David Edelsohn <edelsohn@gnu.org>
1455 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
1458 2006-02-18 Richard Sandiford <richard@codesourcery.com>
1460 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
1461 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
1462 (copy_insn_1): Likewise. Don't copy each field individually.
1464 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
1466 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
1467 * rtl.c (rtx_size): Rename variable to...
1468 (rtx_code_size): ...this.
1469 (rtx_size): New function.
1470 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
1471 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
1473 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
1474 * rtl.h (rtx_code_size): New variable.
1475 (rtx_size): Change from a variable to a function.
1476 (RTX_SIZE): Rename to...
1477 (RTX_CODE_SIZE): ...this.
1480 PR tree-optimization/17106
1481 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
1482 (Anchored Addresses): New section.
1483 * doc/invoke.texi (-fsection-anchors): Document.
1484 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
1485 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
1486 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
1487 * hooks.c (hook_bool_mode_rtx_false): New function.
1488 * hooks.h (hook_bool_mode_rtx_false): Declare.
1489 * gengtype.c (create_optional_field): New function.
1490 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
1491 SYMBOL_REF_IN_BLOCK_P is true.
1492 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
1493 (min_anchor_offset, max_anchor_offset): Likewise.
1494 (use_anchors_for_symbol_p): New hook.
1495 * toplev.c (compile_file): Call output_object_blocks.
1496 (target_supports_section_anchors_p): New function.
1497 (process_options): Check that -fsection-anchors is only used on
1498 targets that support it and when -funit-at-a-time is in effect.
1499 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
1500 if the decl doesn't have one.
1501 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
1502 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
1503 of force_const_mem through use_anchored_address.
1504 (expand_expr_constant): New function.
1505 (expand_expr_addr_expr_1): Call it. Use the same modifier when
1506 calling expand_expr for INDIRECT_REF.
1507 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
1508 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
1509 * expr.h (use_anchored_address): Declare.
1510 * loop-unroll.c: Don't declare rtx vectors here.
1511 * explow.c: Include output.h.
1512 (validize_mem): Call use_anchored_address.
1513 (use_anchored_address): New function.
1514 * common.opt (-fsection-anchors): New switch.
1515 * varasm.c (object_block_htab, anchor_labelno): New variables.
1516 (hash_section, object_block_entry_eq, object_block_entry_hash)
1517 (use_object_blocks_p, get_block_for_section, create_block_symbol)
1518 (use_blocks_for_decl_p, change_symbol_section): New functions.
1519 (get_variable_section): New function, split out from assemble_variable.
1520 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
1521 use_blocks_for_decl_p say so. Use change_symbol_section if the
1522 symbol has already been created.
1523 (assemble_variable_contents): New function, split out from...
1524 (assemble_variable): ...here. Don't output any code for
1525 block symbols; just pass them to place_block_symbol.
1526 Use get_variable_section and assemble_variable_contents.
1527 (get_constant_alignment, get_constant_section, get_constant_size): New
1528 functions, split from output_constant_def_contents.
1529 (build_constant_desc): Create a block symbol if use_object_blocks_p
1530 says so. Or into SYMBOL_REF_FLAGS.
1531 (assemble_constant_contents): New function, split from...
1532 (output_constant_def_contents): ...here. Don't output any code
1533 for block symbols; just pass them to place_section_symbol.
1534 Use get_constant_section and get_constant_alignment.
1535 (force_const_mem): Create a block symbol if use_object_blocks_p and
1536 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
1537 (output_constant_pool_1): Add an explicit alignment argument.
1538 Don't switch sections here.
1539 (output_constant_pool): Adjust call to output_constant_pool_1.
1540 Switch sections here instead. Don't output anything for block symbols;
1541 just pass them to place_block_symbol.
1542 (init_varasm_once): Initialize object_block_htab.
1543 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
1544 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
1545 (place_block_symbol, get_section_anchor, output_object_block)
1546 (output_object_block_htab, output_object_blocks): New functions.
1547 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
1548 (TARGET_ASM_OUT): Include it.
1549 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
1550 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
1551 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
1552 (TARGET_INITIALIZER): Include them.
1553 * rtl.c (rtl_check_failed_block_symbol): New function.
1554 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
1555 (block_symbol, object_block): New structures.
1556 (rtx_def): Add a block_symbol field to the union.
1557 (BLOCK_SYMBOL_CHECK): New macro.
1558 (rtl_check_failed_block_symbol): Declare.
1559 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
1560 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
1561 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
1562 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
1563 * output.h (output_section_symbols): Declare.
1564 (object_block): Name structure.
1565 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
1566 (default_use_anchors_for_symbol_p): Declare.
1567 * Makefile.in (RTL_BASE_H): Add vec.h.
1568 (explow.o): Depend on output.h.
1569 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
1570 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1571 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1572 (rs6000_use_blocks_for_constant_p): New function.
1574 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1576 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
1578 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1581 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
1584 2006-02-18 Diego Novillo <dnovillo@redhat.com>
1586 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
1590 2006-02-18 Jakub Jelinek <jakub@redhat.com>
1593 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
1594 instead of DECL_REGISTER.
1596 2006-02-18 Olivier Hainque <hainque@adacore.com>
1599 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
1601 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
1604 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
1605 * opth-gen.awk: Handle Var and InverseMask together.
1606 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
1607 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
1608 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
1609 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
1611 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1612 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1613 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
1614 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1615 LINUX_DYNAMIC_LINKER): Define.
1616 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
1617 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
1619 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1620 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
1621 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1622 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1623 (TARGET_C99_FUNCTIONS): Don't define.
1624 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
1625 GLIBC_DYNAMIC_LINKER.
1626 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
1627 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
1628 GLIBC_DYNAMIC_LINKER64): Define.
1629 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1630 LINUX_DYNAMIC_LINKER64.
1631 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1632 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1633 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
1634 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1635 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1636 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1637 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
1638 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
1639 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
1640 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
1641 and LINUX_DYNAMIC_LINKER32.
1642 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1643 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1644 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
1645 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1646 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
1648 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
1649 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
1650 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1651 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1652 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1653 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
1654 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
1655 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
1656 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1657 LINUX_DYNAMIC_LINKER): Define.
1658 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
1659 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
1660 GLIBC_DYNAMIC_LINKER64): Define.
1661 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1662 LINUX_DYNAMIC_LINKER64.
1663 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1664 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1665 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
1666 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1667 LINUX_DYNAMIC_LINKER): Define.
1668 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1669 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1670 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
1671 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
1672 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
1673 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1674 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
1675 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
1676 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1677 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1678 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1679 * doc/invoke.texi (-muclibc): Remove caveat about supported
1682 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1684 * doc/cpp.texi (__TIMESTAMP__): Document.
1686 2006-02-17 Roger Sayle <roger@eyesopen.com>
1689 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
1690 C is one less than the width of X (and related transformations).
1691 * simplify-rtx.c (simplify_unary_operation_1): Transform
1692 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
1693 depending on STORE_FLAG_VALUE, were C is one less then the
1696 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
1698 Fix PR tree-optimization/26341
1699 * tree-ssa-operands.c (add_virtual_operand): Remove assert
1700 about NAME_MEMORY_TAG's.
1702 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1705 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
1706 with hardware float support, and software float support. Add fcpy
1707 alternative to hardware patterns. Add alternatives to copy between
1708 general and floating-point registers to the 32-bit pattern.
1709 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
1710 secondary reload to load a QI or HI mode constant into a floating
1712 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
1713 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
1715 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
1718 * config/rs6000/darwin.md (load_macho_picbase_si): Add
1720 (load_macho_picbase_di): Likewise.
1722 2006-02-16 Jeff Law <law@redhat.com>
1724 * tree-vrp.c (set_value_range_to_nonnegative): New function.
1725 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
1726 (ssa_name_nonzero_p): Likewise.
1727 (get_value_range): Return NULL if VRP is not running.
1728 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
1729 VRP routines do not discover a range.
1730 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
1731 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
1732 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
1733 (tree_expr_nonnegative_p): Similarly.
1734 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
1735 (restore_nonzero_vars_to_original_value): Remove.
1736 (unsafe_associative_fp_binop): Remove.
1737 (tree_ssa_dominator_optimize): Remove initialization and
1738 finalization of nonzero_vars and nonzero_vars_stack.
1739 (dom_opt_initialize_block): No longer push marker on
1741 (dom_opt_finalize_block): No longer call
1742 restore_nonzero_vars_to_original_value.
1743 (record_equivalences_from_phis): No longer look for
1744 nonzero PHI arguments.
1745 (cprop_into_successor_phis): No longer propagate nonzero
1746 property into PHI arguments. Lose unused argument. Caller
1748 (record_equivalences_from_stmt): No longer record nonzero
1749 values for SSA_NAMEs.
1750 (lookup_avail_expr): No longer use nonzero_vars.
1752 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
1753 for sizetype when sizetype is unsigned.
1755 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
1757 PR rtl-optimization/25603
1758 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
1759 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
1760 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
1761 with new meaning of SETS.
1763 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
1768 * config/linux.opt: New file.
1769 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
1770 LINUX_DYNAMIC_LINKER): Define.
1771 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
1772 * config.gcc (*-*-linux*): Define extra_options.
1773 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
1774 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
1775 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
1776 GLIBC_DYNAMIC_LINKER.
1777 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
1778 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1779 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1780 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1781 * doc/invoke.texi (GNU/Linux Options): New section.
1783 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1785 * config/sparc/sparc.md (setjmp): Rewrite.
1786 (setjmp_32): Delete.
1787 (setjmp_64): Likewise.
1789 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
1791 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
1794 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1796 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
1799 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1801 PR rtl-optimization/26296
1802 * Makefile.in (loop-invariant.c): Add except.h dependency.
1803 * loop-invariant.c: Include except.h.
1804 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
1806 2005-02-16 Paul Brook <paul@codesourcery.com>
1808 * reload1.c (emit_reload_insns): Invalidate dead input registers used
1811 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
1813 PR rtl-optimization/25636
1814 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
1815 when deciding whether an insn is an initializing insn.
1817 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
1819 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
1820 (tree_code_size): Ditto.
1821 * tree.h (struct tree_memory_tag): Remove parent_var.
1822 (struct tree_struct_field_tag): New.
1825 (union tree_node): Add sft member.
1826 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
1828 (create_sft): Add size and offset argument, set SFT_OFFSET and
1830 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
1831 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
1832 * tree-flow-inline.h (get_subvar_at): Update for
1833 SFT_OFFSET/SFT_SIZE.
1834 (var_can_have_subvars): Ditto.
1835 (overlap_subvar): Ditto.
1836 * print-tree.c (print_node): Print out interesting things for
1838 * tree-flow.h (struct subvar): Remove offset and size members.
1839 * tree-ssa-operands.c (get_expr_operands): Update for
1840 get_indirect_ref_operands changes.
1841 (get_indirect_ref_operands): Call add_virtual_operand instead of
1842 add_stmt_operand. Only recurse on base var if requested.
1843 (access_can_touch_variable): New function.
1844 (add_stmt_operand): Split virtual operand handling into ...
1845 (add_virtual_operand): Here. Add offset, size, and for_clobber
1846 arguments. Prune alias sets.
1847 (add_call_clobber_ops): Call add_virtual_operand.
1849 2006-02-15 Jakub Jelinek <jakub@redhat.com>
1852 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
1854 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
1855 than TREE_CODE as index into omp_clause_num_ops array.
1857 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
1859 PR rtl-optimization/26184
1860 * modulo-sched.c (generate_reg_moves): Free bitmap vector
1862 * modulo-sched.c (sms_schedule): Free g_arr pointer.
1863 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
1864 must_precede, must_follow and tobe_scheduled.
1867 * opts.c (common_handle_option): Free new_option pointer.
1868 * df-core.c (df_analyze): Free postorder pointer.
1870 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1872 * Makefile.in: Fix the examples about the use of stamps
1874 2006-02-15 Michael Matz <matz@suse.de>
1878 * stor-layout.c (layout_decl): Zero-width bitfields aren't
1879 influenced by maximum_field_alignment or DECL_PACKED.
1880 (update_alignment_for_field): Ditto.
1881 (place_field): Ditto.
1882 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
1885 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
1887 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
1888 (debug_flow_info): Pass it.
1889 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
1890 * bb-reorder.c (reorder_basic_blocks): Likewise.
1891 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
1892 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
1893 * flow.c (life_analysis, recompute_reg_usage): Likewise.
1894 * gcse.c (gcse_main, bypass_jumps): Likewise.
1895 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
1896 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
1897 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
1898 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
1899 * rtl.h (dump_flow_info): Adjust prototype.
1900 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
1901 * var-tracking.c (variable_tracking_main): Likewise.
1902 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
1903 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
1906 2006-02-15 Marcin Dalecki <martin@dalecki.de>
1908 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
1911 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
1913 PR tree-optimization/26209
1914 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
1915 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
1917 * tree-cfg.c (replace_uses_by): Do not alter cfg.
1919 2006-02-14 Roger Sayle <roger@eyesopen.com>
1922 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
1923 (X,Y) and the corresponding symmetry related transformations.
1924 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
1925 (X,Y) and its symmetry related transformations.
1927 2006-02-14 Roger Sayle <roger@eyesopen.com>
1929 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
1932 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
1934 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
1936 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1939 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
1940 support COMDAT group.
1941 * configure: Regenerate.
1943 2006-02-14 Roger Sayle <roger@eyesopen.com>
1948 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
1950 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
1952 Fix PR tree-optimization/26260
1954 * doc/invoke.texi (max-fields-for-field-sensitive): Document
1956 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
1957 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
1958 * tree-ssa-structalias.c (create_variable_info_for): Use
1959 MAX_FIELDS_FOR_FIELD_SENSITIVE.
1961 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
1963 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
1965 * tree-ssa-loop-niter.c (number_of_iterations_ne,
1966 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
1967 of the ending condition.
1968 * tree-ssa-loop-manip.c: Include params.h.
1969 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
1970 tree_unroll_loop): New functions.
1971 * tree-pass.h (pass_loop_prefetch): Declare.
1972 * loop.c (rest_of_handle_loop_optimize): Test for
1973 -fprefetch-loop-arrays-rtl.
1974 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
1975 * timevar.def (TV_TREE_PREFETCH): New timevar.
1976 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
1977 pass_loop_prefetch): New.
1978 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
1979 (cleanup_tree_cfg_loop): Call scev_reset.
1980 * common.opt (fprefetch-loop-arrays-rtl): Add.
1981 * tree-ssa-loop-prefetch.c: New file.
1982 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
1983 (new_temp_expr_table): Initialize expr_vars.
1984 (free_temp_expr_table): Cleanup expr_vars.
1985 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
1986 expressions from being merged into one.
1987 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
1988 (struct tree_niter_desc): Add control, bound and cmp fields.
1989 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
1991 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
1992 (tree-cfgcleanup.o): Add SCEV_H dependency.
1993 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
1994 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
1996 2006-02-14 Richard Guenther <rguenther@suse.de>
1998 PR tree-optimization/26258
1999 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
2000 in PHI argument processing.
2002 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
2004 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
2005 new expression in the requested machine mode.
2007 2006-02-13 Roger Sayle <roger@eyesopen.com>
2009 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
2010 directly, instead let do_compare_rtx_and_jump handle this for us.
2011 * expr.c (expand_expr_real_1): Likewise.
2012 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
2013 before do_jump_by_parts_greater.
2014 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
2015 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
2017 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2019 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
2021 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2023 PR rtl-optimization/26235
2024 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
2025 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
2028 2006-02-13 Jeff Law <law@redhat.com>
2030 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
2033 2006-02-13 Jakub Jelinek <jakub@redhat.com>
2036 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
2037 twice if decl is a builtin. When trying again, call get_callee_fndecl
2038 first to verify it is still a builtin.
2040 2006-02-13 Geoffrey Keating <geoffk@apple.com>
2042 * dwarf2out.c (base_type_die): Don't add AT_name here.
2043 (subrange_type_die): Don't add AT_name here.
2044 (modified_type_die): Rearrange code flow. Do add AT_name here.
2046 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2048 PR rtl-optimization/26247
2049 PR rtl-optimization/26248
2050 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
2052 2006-02-13 Richard Sandiford <richard@codesourcery.com>
2054 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
2055 * config/fixtfdi.c: Likewise.
2056 * config/fixunstfdi.c: Likewise.
2057 * config/floatditf.c: Likewise.
2059 2006-02-13 Roger Sayle <roger@eyesopen.com>
2062 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
2063 into (X,C2) if C1 is a subset of the bits of C2. Transform
2064 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
2066 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
2068 2006-02-13 Josh Conner <jconner@apple.com>
2071 * varasm.c (function_section): Check for section name before
2072 calling select_section on targets that define
2073 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
2074 unlikely_text_section instead of hot_function_section if
2075 first_function_block_is_cold.
2077 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
2080 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
2082 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2084 PR rtl-optimization/26222
2085 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
2086 after tree->rtl expansion.
2087 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
2088 before passing it to emit_move_insn.
2090 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
2092 * doc/invoke.texi (-Write-strings): Document that it is enabled by
2094 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
2095 Clarify documentation.
2096 * c-common.h (warn_write_strings): Remove.
2097 * c-common.c (warn_write_strings): Likewise.
2098 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
2101 2006-02-12 Roger Sayle <roger@eyesopen.com>
2104 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
2105 (do_jump_parts_zero_rtx): New function renamed from
2106 do_jump_parts_equality_rtx. Made static. Add a mode argument.
2107 (do_jump_parts_equality_rtx): New function split out from
2108 do_jump_parts_equality. Old implementation renamed as above.
2109 Call do_jump_parts_zero_rtx if either operand is zero.
2110 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
2111 do all of the heavy lifting.
2112 (do_compare_rtx_and_jump): Handle multi-word comparisons by
2113 calling either do_jump_by_parts_greater_rtx or
2114 do_jump_by_parts_equality_rtx.
2115 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
2116 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
2117 moved to do_compare_rtx_and_jump, call it directly.
2118 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
2119 mode argument. Call do_compare_rtx_and_jump.
2120 (emit_case_nodes): Update calls to do_jump_if_equal.
2122 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2124 PR rtl-optimization/26225
2125 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
2127 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2129 PR rtl-optimization/26232
2130 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
2132 2006-02-11 Jason Merrill <jason@redhat.com>
2135 * tree-inline.c (declare_return_variable): Just don't use the
2136 modify target if it's a gimple complex reg and the return slot
2139 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2141 * doc/contrib.texi: Update my entry.
2143 2006-02-10 Geoffrey Keating <geoffk@apple.com>
2145 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
2147 2006-02-10 Diego Novillo <dnovillo@redhat.com>
2149 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
2152 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
2154 * doc/invoke.texi (-floop-optimize2): Removed.
2155 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
2156 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
2157 Test flag_branch_on_count_reg only if HAVE_doloop_end.
2158 * common.opt (floop-optimize2): Removed.
2159 (fmove-loop-invariants): Enabled by default.
2161 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
2163 * tree-if-conv.c (combine_blocks): Free the result of
2164 get_loop_exit_edges.
2166 2006-02-10 Jeff Law <law@redhat.com>
2168 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
2170 PR tree-optimization/26213
2171 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
2172 loop trying to follow SSA_NAME_VALUE chains.
2174 2006-02-10 Richard Guenther <rguenther@suse.de>
2176 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
2177 deal with structures that end in implicitly variable sized arrays.
2179 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2181 PR rtl-optimization/24762
2182 * df-scan.c (df_bb_refs_record): Record correct registers defined on
2185 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2187 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
2188 (struct ivopts_data): Add regs_used field.
2189 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
2190 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
2191 instead of loop_data->regs_used;
2192 (free_loop_data): Do not free aux fields for loops.
2193 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
2194 and tree_ssa_iv_optimize_finalize.
2196 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
2198 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
2200 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2203 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
2204 computing the effective result type.
2206 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2209 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
2210 (tree_overlaps_hard_reg_set): Declare.
2211 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
2212 type and signature to match function type expected by walk_tree.
2213 (tree_overlaps_hard_reg_set): New function.
2214 (decl_conflicts_with_clobbers_p): Rename to:
2215 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
2216 Use tree_overlaps_hard_reg_set. Changed caller.
2217 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
2218 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
2219 * cris.c (cris_md_asm_clobbers): Likewise.
2221 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
2223 * reload1.c (emit_input_reload_insns): Delete code that tries to
2224 inherit using find_equiv_reg.
2226 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
2228 * c-common.h (flag_const_strings): Don't declare.
2229 * c-common.c (flag_const_strings): Remove.
2230 * c.opt (fconst_strings): Remove.
2231 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
2232 <OPT_Wwrite_strings>: Don't set flag_const_strings.
2233 (c_common_init_options): Don't set flag_const_strings.
2234 * doc/invoke.texi (-fno-const-strings): Remove documentation.
2236 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
2238 * arm.md (tlobits_cbranch): New pattern.
2239 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
2240 testing a single bit.
2242 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2245 * tree-ssa-pre.c (create_component_ref_by_pieces):
2246 Handle RETURN_DECL like VAR_DECL.
2248 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2251 * fold-const.c (fold_indirect_ref_1): Fold
2252 "*(foo *)&complexfoo" to "__real__ complexfoo"
2253 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
2255 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2257 * tree-flow-inline.h (var_can_have_subvars):
2258 Volatile variables should not have subvariables.
2260 2006-02-09 Diego Novillo <dnovillo@redhat.com>
2263 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
2264 multiplying unsigned values.
2267 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
2269 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
2271 2006-02-08 Jason Merrill <jason@redhat.com>
2274 * tree.def: Elaborate on difference from MODIFY_EXPR.
2275 * doc/c-tree.texi (INIT_EXPR): Likewise.
2276 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
2277 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
2278 (gimplify_target_expr): Likewise.
2279 (gimplify_cond_expr): Remove target handling.
2280 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
2281 (gimplify_expr): Clobber it here.
2282 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
2283 Do return slot optimization if we have an INIT_EXPR.
2286 * tree-inline.c (declare_return_variable): Also clear
2287 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
2290 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
2293 * gimplify.c (gimplify_one_sizepos): Fix typo.
2295 2006-02-08 Jeff Law <law@redhat.com>
2297 PR tree-optimization/21417
2298 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
2299 across a backedge if the control statement at the end of the
2300 block is data dependent on other statements in the same block.
2301 (record_temporary_equivalences_from_stmts): Remove over-conservative
2302 test for threading across backedges.
2304 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
2305 control statement, handle all three special cases in the same
2306 manner as they all have the same desired solution. No longer
2307 special case edge flag updating when the post dominator is
2310 2006-02-08 Roger Sayle <roger@eyesopen.com>
2312 * tree.def (CHAR_TYPE): Remove.
2313 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
2314 * dwarf2out.c (base_type_die, is_base_type): Likewise.
2315 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
2316 (gen_string_type_die): Delete unreachable function.
2318 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
2319 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
2320 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
2321 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
2322 * builtins.c (type_to_class): Likewise.
2323 * fold-const.c (fold_convert, build_range_check,
2324 merge_ranges): Likewise.
2325 * expr.c (count_type_elements): Likewise.
2326 * c-pretty-print.c (pp_c_type_specifier): Likewise.
2327 * stor-layout.c (layout_type): Likewise.
2328 * ipa-type-escape.c (type_to_consider): Likewise.
2329 * gimplify.c (omp_firstprivatize_type_sizes,
2330 gimplify_type_sizes): Likewise.
2331 * explow.c (promote_mode): Likewise.
2332 * tree-sra.c (is_sra_scalar_type): Likewise.
2333 * varasm.c (output_constant): Likewise.
2334 * tree-inline.c (remap_type_1): Likewise.
2335 * convert.c (convert_to_pointer, convert_to_real,
2336 convert_to_integer, convert_to_complex): Likewise.
2338 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
2340 * df-scan.c (df_def_record_1): A set destination may
2341 be a parallel regardless of mode.
2343 2006-02-08 Roger Sayle <roger@eyesopen.com>
2346 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
2347 * config/mips/_tilib.c: Remove.
2348 * config/fixtfdi.c: New libgcc source file.
2349 * config/fixunstfdi.c: New source file.
2350 * config/floatditf.c: New source file.
2351 * config/floatunditf.c: New souce file.
2352 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2353 files above instead of config/mips/_tilib.c.
2354 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2356 2006-02-08 Jeff Law <law@redhat.com>
2358 PR tree-optimization/26169
2359 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
2362 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
2364 * df.h (DF_REG_SIZE): Return the length of the initialized
2367 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
2369 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
2370 __muldf3): Return a correctly signed zero.
2372 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
2374 * passes.c (register_one_dump_file): Accept the current properties
2375 instead of pass number. Adjust call to dump_register. Remove
2377 (register_dump_files): Now a wrapper around...
2378 (register_dump_files_1): ... this one. Do not modify the pass
2380 (next_pass_1): Cosmetic fix.
2381 (execute_todo): Keep second parameter only. Use curr_properties
2382 instead of fetching it from the pass structure. Check and set
2384 (execute_one_pass): Handle TODO_set_props. Use curr_properties
2385 instead of fetching it from the pass structure. Fix calls to
2386 execute_todo. Update curr_properties and initialize .vcg RTL dump
2387 after running the pass. Reset last_verified.
2388 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
2390 (FIRST_AUTO_NUMBERED_DUMP): New.
2391 (dump_register): Remove "num" parameter, assign it within the
2393 (get_dump_file_name): Modify template for dumps.
2394 * tree-dump.h (dump_register): Adjust prototype.
2395 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
2396 (PROP_trees): Add PROP_gimple_lomp.
2397 (TODO_set_props): New.
2398 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
2399 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
2400 * cfgexpand.c (pass_expand): Destroy PROP_trees.
2402 2006-02-08 Jakub Jelinek <jakub@redhat.com>
2404 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
2405 (sparc64-*-linux*): Likewise.
2406 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
2407 * config/sparc/t-linux: New file.
2408 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
2409 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
2410 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
2411 -m32 -mlong-double-128.
2413 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
2414 * config/alpha/t-linux: New file.
2415 * config/alpha/libgcc-alpha-ldbl.ver: New file.
2417 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
2418 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
2419 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
2420 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
2421 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
2422 (CPP_ARCH32_SPEC): Remove.
2424 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
2426 PR tree-optimization/26145
2427 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
2430 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2433 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
2434 >= 240000 when generating code for SOM runtime.
2435 (output_indirect_call): Don't use "b,l" instruction for indirect calls
2436 to $$dyncall when generating code for SOM runtime..
2438 2006-02-07 Dirk Mueller <dmueller@suse.com>
2441 * doc/invoke.texi (-Wsequence-point): Update documentation
2442 that -Wsequence-point is implemented for C++ as well.
2444 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2446 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
2447 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
2448 (LIB_SPEC): Likewise.
2449 * doc/invoke.texi (SPARC options): Document -pthread.
2451 2006-02-07 Geoffrey Keating <geoffk@apple.com>
2453 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
2456 2006-02-07 Roger Sayle <roger@eyesopen.com>
2458 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
2459 Correct comment describing BOOLEAN_TYPE.
2461 2006-02-07 Dirk Mueller <dmueller@suse.com>
2463 * c.opt: C++ frontend supports -Wdiv-by-zero.
2464 * c-opts.c (c_common_handle_option): Remove dead case.
2466 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2468 * configure.ac (TLS assembler check): Do not enable TLS by
2469 default on SPARC/Solaris before version 10.
2470 * configure: Regenerate.
2472 2006-02-07 David Edelsohn <edelsohn@gnu.org>
2474 * doc/invoke.texi (xl-compat): Document conversion and support
2477 2006-02-07 Jeff Law <law@redhat.com>
2479 * tree-vrp.c (find_conditional_asserts): Update comments.
2480 (simplify_stmt_for_jump_threading): New.
2481 (identify_jump_threads, finalize_jump_threads): New.
2482 (vrp_finalize): Call identify_jump_threads.
2483 (execute_vrp): Call finalize_jump_threads.
2484 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
2485 (vrp_element, vrp_data, vrp_element_p): Remove.
2486 (vrp_hash_elt, vrp_variables_stack): Remove.
2487 (vrp_hash, vrp_eq, record_range): Remove.
2488 (simplify_cond_and_lookup_avail_expr): Remove.
2489 (extract_range_from_cond): Remove.
2490 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
2491 (simplify_stmt_for_jump_threading): New.
2492 (dom_thread_across_edge): New wrapper.
2493 (tree_ssa_dominator_optimize): No longer initialize or
2494 finalize any of the VRP datastructures. Remove iteration
2495 step and simplify as a result of removal of iteration step.
2496 (pass_dominator): Perform a cfg cleanup after DOM.
2497 (dom_opt_finalize_block): Use the new common routines
2498 for threading jumps. Simplify stack management slightly.
2499 No longer need to unwind VRP state.
2500 (record_equivalences_from_incoming_edge): No longer record
2502 (eliminate_redundant_computations): No longer call
2503 simplify_cond_and_lookup_avail_expr.
2504 * tree-flow.h (potentially_threadable_block): Prototype.
2505 (thread_across_edge): Likewise.
2506 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
2507 (tree-ssa-threadedge.o): Add dependencies.
2508 * tree-ssa-threadedge.c: New file.
2509 * passes.c (init_optimization_passes): Merge PHIs before
2510 calling VRP. Run VRP again late in the SSA optimization pipeline.
2512 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2514 * df-core.c (df_set_blocks): Do not dereference function pointers.
2515 (df_finish1): Likewise.
2516 (df_hybrid_search_forward): Likewise.
2517 (df_hybrid_search_backward): Likewise.
2518 (df_iterative_dataflow): Likewise.
2519 (df_analyze_problem): Likewise.
2520 (df_compact_blocks): Likewise.
2521 (df_dump): Likewise.
2522 * df-scan.c (df_rescan_blocks): Likewise.
2523 (df_record_entry_block_defs): Likewise.
2525 * genconditions.c (write_conditions): Guard the definition of
2526 'insn_conditions' with the check on GCC version.
2527 (write_writer): Guard the traversal 'insn_conditions' with
2528 the check on GCC version.
2530 2006-02-07 Richard Guenther <rguenther@suse.de>
2534 2006-01-30 Richard Guenther <rguenther@suse.de>
2536 * gimplify.c (gimplify_target_expr): Handle easy cases
2537 without creating a temporary.
2539 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
2541 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
2542 use of float in probability computations. Use edge probabilities
2543 in place of statically computed probabilities.
2544 (min_spec_prob): New static variable.
2545 (schedule_insns): Initialize it.
2546 (GET_SRC_PROB): Removed.
2547 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
2549 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
2552 * config/ia64/unwind-ia64.c: Revert last change.
2553 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
2554 (INCOMING_FRAME_SP_OFFSET): Define.
2556 2006-02-06 Roger Sayle <roger@eyesopen.com>
2558 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
2560 2006-02-07 Ben Elliston <bje@au.ibm.com>
2562 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
2563 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
2564 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
2565 (ix86_return_in_memory): Handle TDmode.
2566 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
2567 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
2569 2006-02-06 Richard Sandiford <richard@codesourcery.com>
2571 * reorg.c (dbr_schedule): Use dump_file instead of file.
2573 2006-02-06 Steve Ellcey <sje@cup.hp.com>
2576 * config/ia64/predicates.md (extr_len_operand): New predicate.
2577 * config/ia64/ia64.md (extv): Tighten constraints.
2579 (*tbit_and_2): Ditto.
2580 (*tbit_and_3): Ditto.
2581 (*tbit_or_2): Ditto.
2582 (*tbit_or_3): Ditto.
2586 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
2589 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
2591 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
2593 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
2594 loop_optimizer_init and loop_optimizer_finalize
2595 * tree-ssa-sink.c (execute_sink_code): Ditto.
2596 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2597 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
2598 tree_ssa_loop_done): Ditto.
2599 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
2600 * sched-ebb.c: Include output.h.
2601 (schedule_ebbs): Do not use dump argument.
2602 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
2603 * loop.c (loop_dump_stream): Removed.
2604 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
2606 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
2607 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
2608 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
2609 loop_iterations, strength_reduce, record_biv, record_giv,
2610 final_giv_value, check_final_value, check_ext_dependent_givs,
2611 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
2612 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
2613 dump_file instead of loop_dump_stream.
2614 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
2616 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
2618 * flow.c (life_analysis, rest_of_handle_life): Ditto.
2619 * haifa-sched.c: Include output.h
2620 (schedule_insns, sched_init): Do not use dump argument.
2621 * mode-switching.c (optimize_mode_switching): Ditto.
2622 * modulo-sched.c (stats_file): Removed.
2623 (print_node_sched_params): Do not call argument dump_file.
2624 (sms_schedule_by_order, loop_canon_p, sms_schedule,
2625 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
2627 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
2629 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
2630 rtl_loop_init, rtl_loop_done): Ditto.
2631 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
2632 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
2634 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
2635 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
2636 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
2637 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
2638 * emit-rtl.c (renumber_insns): Ditto.
2639 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
2640 expand_gimple_basic_block, tree_expand_cfg): Ditto.
2641 * regclass.c (regclass): Ditto.
2642 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
2643 remove_ssa_form, rewrite_out_of_ssa): Ditto.
2644 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
2645 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
2647 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
2648 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
2650 * gcse.c (gcse_file, debug_stderr): Removed.
2651 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
2652 rest_of_handle_gcse): Do not use dump argument.
2653 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
2654 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
2655 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
2656 compute_code_hoist_vbeinout, compute_code_hoist_data,
2657 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
2658 compute_store_table, build_store_vectors, insert_insn_start_bb,
2659 insert_store, remove_reachable_equiv_notes, replace_store_insn,
2660 store_motion): Use dump_file instead of gcse_file.
2661 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
2662 * profile.c (profile_dump_file): Removed.
2663 (branch_prob): Use dump_file instead of profile_dump_file.
2664 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
2666 * tree-ssa-copy.c (dump_copy_of): Ditto.
2667 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
2668 dump file to life_analysis.
2669 * bt-load.c (branch_target_load_optimize): Ditto.
2670 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
2672 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
2673 regclass, dbr_schedule): Declaration changed.
2674 * sched-int.h (sched_init): Declaration changed.
2675 * tree-profile.c (tree_profile_dump_file): Removed.
2676 (tree_profile_hooks): Removed profile_dump_file hook.
2677 * rtl-profile (rtl_profile_dump_file): Removed.
2678 (rtl_profile_hooks): emoved profile_dump_file hook.
2679 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
2681 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
2682 * tree-cfg.c (build_tree_cfg): Ditto.
2683 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
2684 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
2685 Declaration changed.
2686 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
2687 life_analysis and schedule_insns.
2688 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
2690 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
2692 * config/mips/mips.c (mips_reorg): Ditto.
2693 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
2696 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
2698 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2699 (s390_mangle_fundamental_type): New.
2700 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2703 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2704 (alpha_mangle_fundamental_type): New.
2705 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2708 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2710 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2712 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2713 (sparc_mangle_fundamental_type): New.
2715 2006-02-06 Jakub Jelinek <jakub@redhat.com>
2717 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
2718 (s390x-*-linux*): Likewise.
2719 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
2720 * config/s390/t-linux: New file.
2722 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2724 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
2725 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
2727 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
2729 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
2730 (ANTIC_SAFE_LOADS): New macro.
2731 (find_or_generate_expression): Add prototype.
2732 (set_contains_value): Allow null set for sake of not always having
2733 to allocate ANTIC_SAFE_LOADS.
2734 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
2735 Allow COMPONENT_REF too.
2736 (valid_in_set): Allow COMPONENT_REF.
2737 Check ANTIC_SAFE_LOADS too.
2738 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
2739 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
2741 (can_PRE_operation): Add COMPONENT_REF.
2742 (create_component_ref_by_pieces): New function.
2743 (create_expression_by_pieces): Use create_component_ref_by_pieces.
2744 (insert_aux): Move AGGREGATE_TYPE_P check here.
2745 (compute_avail): Set bb local stmt uids.
2746 (pass_pre): Use TODO_update_ssa_only_virtuals.
2748 2006-02-06 Ben Elliston <bje@au.ibm.com>
2750 * configure.ac: Unconditionally disable decimal float by default.
2751 * configure: Regenerate.
2753 2006-02-06 Ben Elliston <bje@au.ibm.com>
2755 * read-rtl.c (read_name): Terminate reading on EOF.
2757 2006-02-06 Ben Elliston <bje@au.ibm.com>
2759 * dfp.c (decimal_real_arithmetic): Change second argument type
2760 from int to enum tree_code. Do not always return true, but now
2761 return result of any call to decimal_do helper functions.
2762 * dfp.h (decimal_real_arithmetic): Update prototype.
2764 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
2766 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
2768 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
2771 * tree-cfg.c (cleanup_dead_labels): Also don't remove
2774 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2776 * tree-vrp.c (cfg_loops): Removed.
2777 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
2778 Use current_loops instead of cfg_loops. Pass flags to
2779 loop_optimizer_init.
2780 * cfgloopmanip.c (fix_loop_structure): Update only available
2782 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
2783 loop_optimizer_init.
2784 * modulo-sched.c (build_loops_structure): Removed.
2785 (sms_schedule): Use loop_optimizer_init.
2786 * loop-init.c (loop_optimizer_init): Use flags to determine
2787 which properties of loops to prepare.
2788 (rtl_loop_init): Pass flags to loop_optimizer_init.
2789 * tree-ssa-sink.c (execute_sink_code): Ditto.
2790 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
2791 * tree-ssa-pre.c (init_pre): Ditto.
2792 * cfgloop.h (LOOPS_NORMAL): New.
2793 (loop_optimizer_init): Declaration changed.
2795 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2797 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
2798 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
2800 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
2802 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
2804 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
2805 * pa/t-pa64: Delete quadlib.c rule.
2806 * pa/x-ada: Revert last change.
2807 * pa/t-pa: Revert last change. Delete quadlib.c rule.
2809 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2811 PR rtl-optimization/26087
2812 * rtlanal.c (canonicalize_condition): Do not cross basic block
2815 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
2818 * config/ia64/ia64.c: Include debug.h.
2819 (MAX_ARTIFICIAL_LABEL_BYTES): New.
2820 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
2821 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
2822 (process_epilogue, process_set, process_for_unwind_directive):
2823 Output unwind info only if requested. Add CFA info if requested.
2824 Add new arguments as needed. Adjust callers.
2825 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
2827 (DWARF2_FRAME_INFO): Define to zero.
2828 * config/ia64/unwind-ia64.c: Remove code that compensated for
2829 the CFA offset error fixed above.
2830 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
2831 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
2832 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
2833 -funwind-tables and -fexceptions to enable frame info.
2834 (dwarf2out_frame_init): Define initial CFA even if
2835 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
2836 DWARF2_UNWIND_INFO is nonzero, not just defined.
2837 (dwarf2out_frame_finish): Output non-EH call frame info only
2838 if DWARF2_FRAME_INFO is nonzero.
2839 (convert_cfa_to_loc_list,
2840 compute_frame_pointer_to_cfa_displacement): Define even if
2841 unwind info is not supported.
2842 (gen_subprogram_die): Use the above unconditionally. Remove
2843 legacy alternate code.
2844 * toplev.c (compile_file): Compile in call to
2845 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
2846 (lang_dependent_init): Ditto for dwarf2out_frame_init.
2848 2006-02-04 David Edelsohn <edelsohn@gnu.org>
2849 Jakub Jelinek <jakub@redhat.com>
2851 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
2852 IBM extended float format long double as "g" on powerpc*-linux.
2854 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2857 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
2858 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
2860 2006-02-03 Jason Merrill <jason@redhat.com>
2863 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
2866 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
2867 on the return slot if it's an NRV.
2869 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
2871 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
2872 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
2873 rewrite_use): Do not handle USE_OUTER.
2874 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
2875 add_iv_outer_candidates, may_replace_final_value,
2876 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
2877 (find_interesting_uses_op): Functionality of
2878 find_interesting_uses_outer_or_nonlin moved here.
2879 (find_interesting_uses_outside): Use find_interesting_uses_op.
2881 2006-02-03 Alan Modra <amodra@bigpond.net.au>
2884 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
2886 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
2887 Ulrich Weigand <uweigand@de.ibm.com>
2890 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
2891 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
2892 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
2893 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
2895 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
2896 (s390_rtx_costs): Use the new fields to calculate rtx costs.
2897 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
2898 Define secondary reloads for TFmode moves.
2899 (constant_modes): Add TFmode.
2900 (NR_C_MODES): Set to 8.
2901 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
2903 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
2904 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
2905 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
2906 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
2907 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
2908 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
2909 (FPR mode macro): Add TFmode.
2910 (DSF mode macro): New.
2911 (<de>, <dee> mode attributes): Removed.
2912 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
2913 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
2914 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
2915 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
2916 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
2917 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
2918 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
2919 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
2920 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
2921 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
2922 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
2923 "*negabs<mode>2", "sqrt<mode>2"):
2924 Changed <de> to <xde>. R constraint replaced by <Rf>.
2925 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
2927 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
2928 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
2929 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
2931 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
2932 "extenddftf2", "extendsftf2"): New expanders.
2933 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
2934 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
2935 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
2936 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
2938 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
2939 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
2940 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
2941 __floatditf): Add a GCC_4.1.0 symbol version tag.
2942 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
2945 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
2948 * config/i386/i386.c (ix86_function_ok_for_sibcall):
2949 Use targetm.binds_local_p instead of TREE_PUBLIC.
2951 2006-02-02 Roger Sayle <roger@eyesopen.com>
2953 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
2954 on INTEGER_TYPEs to indicate that it denotes a character type.
2955 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
2956 signed_char_type_node, unsigned_char_type_node and char_type_node.
2957 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
2958 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
2959 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
2961 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
2962 Daniel Berlin <dberlin@dberlin.org>
2964 * tree-tailcall.c (arg_needs_copy_p): New function.
2965 (eliminate_tail_call): Use arg_needs_copy_p.
2966 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
2967 (add_virtual_phis): New function.
2969 2006-02-02 Jakub Jelinek <jakub@redhat.com>
2971 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
2972 #ignore instead of #scratch for %g7 .register directive.
2974 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
2976 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
2979 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2981 * flow.c (calculate_global_regs_live): Assert that there aren't any
2984 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
2986 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
2988 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
2989 bsi_after_labels iterator.
2990 * tree-if-conv.c (find_phi_replacement_condition,
2991 replace_phi_with_cond_modify_expr): Likewise.
2992 * tree-scalar-evolution.c (scev_const_prop): Likewise.
2993 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
2995 2006-02-02 Diego Novillo <dnovillo@redhat.com>
2997 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
2999 2006-02-02 Diego Novillo <dnovillo@redhat.com>
3002 * tree-cfg.c (move_block_to_fn): Clear out the basic block
3003 array after growing it.
3005 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3008 * fold-const.c (fold_checksum_tree): Change type of buf.
3010 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
3012 * reload.c (push_secondary_reload): Initialize t_icode.
3014 2006-02-01 Jakub Jelinek <jakub@redhat.com>
3016 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
3017 -msoft-float -mlong-double-128 only issue a warning, but don't
3018 swich to DFmode long double.
3020 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
3022 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
3023 has a constant equivalent, iterate over equivalents for arg0,
3024 calling simplify_relational_operation and if there's a result
3025 cheaper than X, apply fold_rtx and return the result.
3027 2006-02-01 Jan Hubicka <jh@suse.cz>
3029 * opts.c (no_unit_at_a_time_default): New global variable.
3030 (decode_options): Use it.
3031 * opts.h (no_unit_at_a_time_default): Declare.
3033 2006-02-01 Paul Brook <paul@codesourcery.com>
3035 * function.c (assign_parm_setup_reg): Use function argument promotion
3037 * expr.c (expand_expr_real_1): Use function argument promotion rules
3040 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3042 * gcc.c (process_command): Change j to 'unsigned int'.
3044 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3047 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
3048 Use the corrected index for the character
3049 out of the string constant.
3051 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3053 * mode-switching.c (optimize_mode_switching): Fix size
3054 allocated for bb_info[n_entities].
3056 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3058 * gcc.c (main): Correct type that is allocated for
3059 explicit_link_files.
3061 2006-01-31 Jakub Jelinek <jakub@redhat.com>
3063 * config/s390/s390.c (init_alignment_context): Set
3064 ALIAS_SET_MEMORY_BARRIER on the MEM.
3065 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
3067 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
3070 * loop-unroll.c (unroll_loop_runtime_iterations): Free
3072 * tree-ssa-live.c (type_var_init): Allocate bitmap after
3075 2006-01-31 Marcin Dalecki <martin@dalecki.de>
3077 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
3078 * regrename.c: Ditto.
3079 * tree-ssa-loop-im.c: Ditto.
3080 * tree-dump.c: Ditto.
3081 * tree-complex.c: Ditto.
3082 * genrecog.c: Ditto.
3083 * tree-ssa-threadupdate.c: Ditto.
3085 * java/class.c: Ditto.
3086 * java/jcf-parse.c: Ditto.
3087 * java/resource.c: Ditto.
3088 * java/except.c: Ditto.
3089 * java/jvspec.c: Ditto.
3090 * java/jcf-write.c: Ditto.
3091 * java/jcf-path.c: Ditto.
3092 * java/gjavah.c: Ditto.
3093 * java/zextract.c: Ditto.
3094 * java/jcf-io.c: Ditto.
3095 * java/jcf.h: Ditto.
3096 * java/buffer.c: Ditto.
3097 * java/lang.c: Ditto.
3098 * java/parse-scan.y: Ditto.
3099 * java/lex.c: Ditto.
3100 * java/lex.h: Ditto.
3101 * cfgloopmanip.c: Ditto.
3102 * postreload-gcse.c: Ditto.
3103 * tree-ssa-loop-manip.c: Ditto.
3104 * postreload.c: Ditto.
3105 * tree-ssa-loop-ch.c: Ditto.
3109 * diagnostic.c: Ditto.
3111 * genoutput.c: Ditto.
3113 * cfghooks.c: Ditto.
3114 * cfgloopanal.c: Ditto.
3115 * objc/objc-act.c: Ditto.
3117 * genextract.c: Ditto.
3118 * genautomata.c: Ditto.
3119 * pretty-print.c: Ditto.
3121 * cgraphunit.c: Ditto.
3124 * haifa-sched.c: Ditto.
3125 * dominance.c: Ditto.
3127 * tree-ssa-loop-ivopts.c: Ditto.
3129 * mode-switching.c: Ditto.
3130 * modulo-sched.c: Ditto.
3132 * ipa-pure-const.c: Ditto.
3134 * fix-header.c: Ditto.
3136 * tree-stdarg.c: Ditto.
3137 * ipa-utils.c: Ditto.
3138 * loop-init.c: Ditto.
3139 * ipa-inline.c: Ditto.
3142 * alloc-pool.c: Ditto.
3143 * dwarf2out.c: Ditto.
3145 * genattrtab.c: Ditto.
3146 * tree-ssa-loop-ivcanon.c: Ditto.
3150 * fortran/gfortranspec.c: Ditto.
3152 * local-alloc.c: Ditto.
3153 * langhooks.c: Ditto.
3154 * function.c: Ditto.
3155 * tree-vectorizer.c: Ditto.
3157 * ipa-type-escape.c: Ditto.
3159 * tree-if-conv.c: Ditto.
3162 * tree-data-ref.c: Ditto.
3163 * loop-unroll.c: Ditto.
3164 * treelang/treetree.c: Ditto.
3167 * ggc-common.c: Ditto.
3169 * coverage.c: Ditto.
3171 * tree-cfgcleanup.c: Ditto.
3172 * tree-ssa-pre.c: Ditto.
3173 * cfgcleanup.c: Ditto.
3174 * loop-invariant.c: Ditto.
3176 * ipa-prop.c: Ditto.
3177 * print-tree.c: Ditto.
3178 * conflict.c: Ditto.
3179 * ggc-page.c: Ditto.
3180 * sched-deps.c: Ditto.
3181 * regclass.c: Ditto.
3182 * tree-object-size.c: Ditto.
3184 * bb-reorder.c: Ditto.
3185 * resource.c: Ditto.
3186 * var-tracking.c: Ditto.
3188 * df-problems.c: Ditto.
3189 * reg-stack.c: Ditto.
3192 * sched-rgn.c: Ditto.
3193 * tree-ssa-structalias.c: Ditto.
3194 * tree-ssa-reassoc.c: Ditto.
3195 * config/darwin-c.c: Ditto.
3196 * config/darwin.c: Ditto.
3197 * config/arm/arm.c: Ditto.
3199 * collect2.c: Ditto.
3202 2006-01-31 Nicolas Pitre <nico@cam.org>
3204 * arm.md (smaxsi3): Make aware of smax_m1.
3207 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
3209 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
3211 2006-01-31 Richard Guenther <rguenther@suse.de>
3213 * doc/invoke.texi (-msselibm): Document.
3214 * target.h (expand_library_builtin): New target hook.
3215 * builtins.c (expand_builtin): Use expand_library_builtin.
3216 (default_expand_library_builtin): New function.
3217 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3218 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3219 (link_gcc_math_spec): Declare.
3220 (static_specs): Add link_gcc_math_spec.
3221 * expr.h (default_expand_library_builtin): Declare.
3222 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3223 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3224 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3225 * config/i386/i386.opt (msselibm): New target option.
3226 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3227 (ix86_init_sse_abi_builtins): New function.
3228 (ix86_expand_library_builtin): Likewise.
3229 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3230 (override_options): Handle error conditions wrt -msselibm.
3231 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3232 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3233 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3236 2006-01-31 Richard Guenther <rguenther@suse.de>
3237 Paolo Bonzini <bonzini@gnu.org>
3239 * doc/install.texi (--disable-libgcc-math): Document.
3241 2006-01-30 Marcin Dalecki <martin@dalecki.de>
3243 * expr.h (expand_normal): new inline function.
3244 * builtins.c: use it, use EXPAND_NORMAL explicitely.
3246 * dwarf2out.c: use it.
3251 * config/sparc/sparc.c: use it.
3252 * config/i386/i386.c: use it.
3253 * config/rs6000/rs6000.c: use it.
3254 * config/arm/arm.c: use it.
3255 * config/mips/mips.c: use it.
3256 * stmt.c: use it, use EXPAND_NORMAL explicitely.
3258 2006-01-30 Roger Sayle <roger@eyesopen.com>
3260 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
3261 argv to the appropriate type.
3263 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
3265 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
3268 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
3271 * config/s390/s390.c (struct machine_function): New flag
3272 decomposed_literal_pool_addresses_ok_p.
3273 (s390_reorg): Set it before final stage of literal pool transforms.
3274 (s390_decompose_address): Only accept displacements of the form
3275 (minus (label_ref ...) (label_ref ...)) if that flag is set.
3277 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
3279 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
3280 the comparison routine return.
3282 2006-01-30 Michael Matz <matz@suse.de>
3284 * global.c (find_reg): Only evict for global regs.
3285 Take n_refs into account and dump more info.
3287 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
3290 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
3291 (pragma_trap, pragma_nosave_low_regs): Likewise.
3292 (current_function_anonymous_args): Likewise.
3293 (sh_deferred_function_attributes): New variable.
3294 (sh_deferred_function_attributes_tail): Likewise.
3295 (print_operand): For '@', look up trap_exit attribute.
3296 (calc_live_regs): Look up trapa_handler attribute. For trapa
3297 handlers, save/restore fpscr, but don't do any other
3298 interrupt-specific saves.
3299 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
3300 Fix check for partially saved registers to check for SHmedia.
3301 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
3302 (sh_output_function_epilogue): Don't clear any of the removed
3304 (sh_insert_attributes): Don't check pragma_interrupt.
3305 Insert deferred attributes. Check that interrupt attribute is
3306 present for other attributes that require its presence.
3307 (sh_attribute_table): Add new attributes trapa_handler and
3309 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
3310 Don't check for pragma_interrupt. Don't store argument.
3311 * sh.h (pragma_interrupt, sp_switch): Don't declare.
3312 (sh_deferred_function_attributes): Declare.
3313 (sh_deferred_function_attributes_tail): Likewise.
3314 * sh.md (sp_switch_1): Add operand. Change generator caller.
3315 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
3316 (*return_i): Don't use when trap_exit attribute is in effect.
3317 (*return_trapa): New insn pattern.
3319 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
3320 setting c_target_objs and cxx_target_objs.
3321 * t-sh: Add rule for sh-c.o.
3323 2006-01-30 Richard Guenther <rguenther@suse.de>
3326 * gimplify.c (gimplify_target_expr): Handle easy cases
3327 without creating a temporary.
3329 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
3331 * vec.h (safe_grow): Remove duplicated line.
3333 2006-01-29 Diego Novillo <dnovillo@redhat.com>
3336 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
3337 (expand_omp): ... here.
3338 (expand_omp_parallel): Only remove barriers for combined
3339 parallel+workshare constructs.
3341 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
3345 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3346 * tree.c (build_qualified_type): Chain the new type to the original
3347 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3348 a POINTER_TYPE or a REFERENCE_TYPE respectively.
3349 (build_pointer_type_for_mode): Only return unqualified types.
3350 (build_reference_type_for_mode): Likewise.
3352 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
3354 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
3355 * Makefile.in (CXX_COMPAT_WARN): Define.
3356 * configure: Regenerate.
3358 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
3361 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
3364 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3366 * toplev.c: Fix thinko.
3368 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3369 Marcin Dalecki <martin@dalecki.de>
3371 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
3372 (push_srcloc): Use XNEW.
3373 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
3375 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3377 * df-core.c (df_set_blocks): Deleted all variable.
3379 2006-01-28 Ian Lance Taylor <ian@airs.com>
3381 * cgraphunit.c (cgraph_assemble_pending_functions): Call
3382 cgraph_output_pending_asms.
3384 2006-01-28 Zack Weinberg <zackw@panix.com>
3386 * c.opt: Add -W(no-)overlength-strings.
3387 * doc/invoke.texi: Document it.
3388 * c-opts.c (c_common_handle_option): -pedantic implies
3389 -Woverlength-strings, if not explicitly disabled already.
3390 (c_common_post_options): -Woverlength-strings defaults to off, and
3391 is always off for C++.
3392 * c-common.c (fix_string_type): Issue warning about strings longer
3393 than is portable only if warn_overlength_strings. Rearrange code
3394 a little for clarity.
3395 * configure.in: Check for -Wno-overlength-strings as well before
3396 enabling -pedantic in stage 1.
3397 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
3398 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
3400 * genconditions.c (write_header, write_one_condition)
3401 (write_conditions, write_writer): Consolidate very long strings
3402 that were broken up to fit in C89 portable limit. Don't use
3403 printf when fputs will do.
3405 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
3407 * combine.c (simplify_comparison <AND>): Check
3408 TRULY_NOOP_TRUNCATION before start using a subreg.
3410 * config/mips/mips.md (*branch_zero<mode>,
3411 *branch_zero<mode>_inverted, *branch_equality<mode>,
3412 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
3413 Remove mode check from comparisons.
3415 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
3417 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
3419 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3421 * expmed.c (const_mult_add_overflow_p): Remove.
3422 * expr.h: Remove the prototype for const_mult_add_overflow_p.
3424 * recog.c (validate_replace_rtx_subexp): Remove.
3425 * recog.h: Remove the prototype for
3426 validate_replace_rtx_subexp.
3428 * integrate.h: Remove the prototype for
3429 copy_decl_for_inlining.
3430 * rtl.h: Remove the prototype for mark_constant_function.
3431 * tree-vectorizer.h: Remove the prototype for
3432 vect_strip_conversion.
3434 * modulo-sched.c (create_partial_schedule,
3435 free_partial_schedule, reset_partial_schedule): Make them
3438 * hooks.c (hook_bool_rtx_int_false): Remove.
3439 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
3441 2006-01-28 David Edelsohn <edelsohn@gnu.org>
3443 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3444 and -mlong-double-128 are incompatible.
3445 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
3446 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
3447 (TARGET_LIBGCC2_CFLAGS): Define.
3448 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
3449 (TARGET_LIBGCC2_CFLAGS): Same.
3450 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
3452 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3455 * c-typeck.c (build_binary_op): Perform implicit casts of
3456 operands before shortening them.
3458 * cfgloopmanip.c (split_loop_bb): Remove.
3459 * cfgloop.h: Remove the prototype for split_loop_bb.
3461 * cfgloop.c (flow_loop_outside_edge_p): Remove.
3462 * cfgloop.h: Remove the prototype for
3463 flow_loop_outside_edge_p.
3465 * emit-rtl.c (init_virtual_regs): Make it static.
3466 * function.h: Remove the prototype for init_virtual_regs.
3468 * recog.c (peephole2_optimize): Make it static.
3469 * recog.h: Remove the prototype for peephole2_optimize.
3471 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3473 * df-scan.c (df_record_entry_block_defs): Check if
3474 INCOMING_RETURN_ADDR_RTX is defined.
3476 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
3477 Kenneth Zadeck <zadeck@naturalbridge.com>
3479 PR rtl-optimization/24762
3480 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3481 * targhooks.c (hook_void_bitmap): New hook prototype.
3482 * targhoohs.h (hook_void_bitmap): Ditto.
3483 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
3484 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
3485 * target.h (live_on_entry): New function pointer.
3486 * df-scan.c (df_all_hard_regs): Removed.
3487 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
3488 (df_scan_free_internal): Added df->entry_block_defs.
3489 (df_scan_alloc): Ditto.
3490 (df_scan_dump): Ditto.
3491 (df_uses_record): Plumbed flag field properly thru calls.
3492 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
3493 This part fixes PR24762.
3494 (df_bb_refs_record): Added code to make the frame and arg
3495 pointers live in EH blocks.
3496 (df_refs_record): Added call to df_record_entry_block_defs.
3497 (df_record_entry_block_defs): New function.
3498 * df-core.c: Added comments to describe new artifical defs.
3499 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
3500 (entry_block_defs): New field in struct df.
3501 (df_all_hard_regs): Deleted.
3502 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3503 * df-problems.c (df_ru_bb_local_compute_process_def):
3504 Added code to handle artifical defs in the entry to a function.
3505 (df_ru_bb_local_compute): Ditto.
3506 (df_rd_bb_local_compute_process_def): Ditto.
3507 (df_rd_bb_local_compute): Ditto.
3508 (df_lr_bb_local_compute): Ditto.
3509 (df_ur_bb_local_compute): Ditto.
3510 (df_urec_bb_local_compute): Ditto.
3511 (df_chain_create_bb): Ditto.
3512 (df_ur_local_finalize): Removed entry.
3513 (df_urec_init): Ditto.
3514 (df_urec_local_finalize): Ditto.
3515 (df_ri_bb_compute): Added detection of last use of pseudos.
3516 * Makefile.in (df-scan.o): Updated dependencies.
3517 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
3518 * config/mips/mips.c (mips_set_live_on_entry): Added.
3519 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
3521 * dce.c (marked_insn_p): Added code to handle artifical defs.
3523 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3525 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
3527 (_mm_cvtsi128_si64): Likewise.
3528 (_mm_cvtsd_si64): Likewise.
3529 (_mm_cvttsd_si64): Likewise.
3530 (_mm_cvtsi64_sd): Likewise.
3531 (_mm_cvtsi64_si128): Likewise.
3532 * config/i386/mmintrin.h (_m_from_int64): Likewise.
3533 (_mm_cvtsi64_m64): Likewise.
3534 (_m_to_int64): Likewise.
3535 (_mm_cvtm64_si64): Likewise.
3536 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
3537 (_mm_cvttss_si64): Likewise.
3538 (_mm_cvtsi64_ss): Likewise.
3539 (_mm_cvtss_f32): Likewise.
3541 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
3543 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
3544 for pragma redefine_extname.
3546 2006-01-27 Jakub Jelinek <jakub@redhat.com>
3549 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
3550 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
3551 -mno-minimal-toc to previous content.
3552 (bispecs): Remove goal.
3553 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
3554 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
3555 compatibility aliases on powerpc-*-*gnu*.
3556 * config/rs6000/libgcc-ppc-glibc.ver: New file.
3557 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
3558 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
3559 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
3560 (ldblspecs): New goal.
3561 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
3562 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
3564 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
3565 L_sf_to_tf or L_df_to_tf is defined.
3567 2006-01-27 David Edelsohn <edelsohn@gnu.org>
3568 Alan Modra <amodra@bigpond.net.au>
3571 * config/rs6000/linux.h (POWERPC_LINUX): Define.
3572 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
3573 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
3574 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
3575 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
3576 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
3577 (rs6000_override_options): Initialize rs6000_ieeequad.
3578 Initialize TFmode format to ibm_extended_format if not
3580 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
3582 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
3583 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
3584 (function_arg_advance): IBM long double passed in two FPRs, not
3586 (function_arg): IBM long double passed in FPRs.
3587 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
3588 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
3589 Only multireg GPR aligned.
3590 (rs6000_init_libfuncs): Enable IBM long double functions if not
3592 (rs6000_generate_compare): Use IBM long double compare if not
3594 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
3595 (TARGET_IEEEQUAD): Define.
3596 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
3597 not TARGET_IEEEQUAD.
3598 * config/rs6000/rs6000.md: Enable TFmode patterns if
3600 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
3601 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3602 and -mlong-double-128 are incompatible.
3603 * doc/invoke.texi (-mabi): Collect options together. Add
3604 ibmlongdouble and ieeelongdouble.
3606 2006-01-27 Richard Sandiford <richard@codesourcery.com>
3608 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
3610 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
3611 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
3612 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
3613 * rtl.h (rtunion_def): Remove rt_ptr.
3615 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
3616 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
3617 * config/i386/winnt.c (i386_pe_mark_dllexport)
3618 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
3620 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
3622 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
3624 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3628 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
3629 pthread_key_delete. From John David Anglin. gthrw-ify
3630 pthread_getunique_np only if it it's not a macro. Delete
3632 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
3633 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
3634 __gthread_objc_condition_signal, __gthread_key_delete): Add
3635 "__attribute__ ((__unused__))" to unused arguments.
3636 (__gthread_recursive_mutex_init_function): Add missing return.
3637 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
3638 gthr-posix95.h: Use macro-based approach for name redirection
3639 on targets missing weakref.
3641 2006-01-26 Zack Weinberg <zackw@panix.com>
3643 * genconditions.c (write_header): In generated code, #ifdef out
3644 all includes and fake declarations, except includes of bconfig.h
3645 and system.h, unless GCC_VERSION >= 3001. Do not include
3646 gensupport.h in any case.
3647 (write_conditions): Generate a definition of struct c_test. Add
3648 a comment to the generated #endif.
3649 (write_one_condition): Escape backslashes in string too.
3650 (write_writer): Generated code must escape backslashes and quote
3651 marks (but not newlines) in the strings it writes.
3652 * Makefile.in (build/gencondmd.o): Update dependencies.
3654 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3657 * Makefile.in (insn-automata.o): Add header file dependencies.
3658 * genautomata.c: Add includes.
3660 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3663 * Makefile.in (insn-automata.o): Add -Wno-error flag.
3665 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3667 * configure.ac: Expect target tools paths to be passed from the toplevel
3668 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
3670 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
3672 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3675 * c.opt (Wpointer-sign): Init to -1.
3676 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
3677 OPT_pedantic, to 0 otherwise.
3678 * doc/invoke.texi: Update.
3680 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3682 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
3683 constants provided by 80387 instructions in the destination mode.
3685 2006-01-26 Richard Guenther <rguenther@suse.de>
3686 Andrew Pinski <pinskia@physics.uc.edu>
3689 partial PR tree-opt/17064
3690 * tree-ssa-structalias.c (intra_create_variable_infos):
3691 Create heap variables for incoming parameters if
3692 flag_argument_noalias > 1.
3693 (find_what_p_points_to): Look through default defs of
3696 2006-01-26 Jeff Law <law@redhat.com>
3699 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
3700 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
3701 within the VR_RANGE, use the VR_RANGE as the result, not the
3703 (adjust_range_with_scev): Reject ranges from SCEV which are out of
3704 bounds for the type.
3706 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
3708 * tree-ssa-alias.c (maybe_create_global_var): Change
3709 subvar walking to an assertion that we don't have subvar'd variables.
3711 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
3714 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
3715 Use a new variable, inner. PARM_DECLs are always non-weak.
3717 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
3719 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
3722 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
3724 * config/mips/mips.md (*clear_upper32): New combiner pattern.
3726 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
3728 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
3729 (smax_insn, smin_insn, smax_0, smin_0): New.
3731 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
3734 * config/cris/cris.c (cris_order_for_addsi3): New function.
3735 * config/cris/cris-protos.h: Prototype it.
3736 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
3737 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
3738 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
3739 (split for "op.S1 [rx=rx+i],ry (swapped)")
3740 (split for "op(s|u).S1 [rx=rx+i],ry")
3741 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
3742 Apply cris_order_for_addsi3 when generating addsi3 insns.
3744 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3746 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
3747 (TREE_BLOCK): Add call to EXPR_CHECK.
3749 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3752 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
3753 * tree-pretty-print.c (dump_omp_clause): Extract from ...
3754 (dump_omp_clauses): ... here.
3755 (dump_generic_node): Handle OMP_CLAUSE.
3756 * tree.c (omp_clause_num_ops): New.
3757 (omp_clause_code_name): New.
3758 (tree_code_size): Handle OMP_CLAUSE.
3759 (tree_size): Likewise.
3760 (make_node): Document handling of OMP_CLAUSE.
3761 (tree_node_structure): Handle OMP_CLAUSE.
3762 (omp_clause_check_failed): New.
3763 (omp_clause_range_check_failed): New.
3764 (omp_clause_operand_check_failed): New.
3765 (build_omp_clause): New.
3766 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
3767 * tree.h (enum omp_clause_code): Declare.
3768 (OMP_CLAUSE_SUBCODE_CHECK): Define.
3769 (OMP_CLAUSE_RANGE_CHECK): Define.
3770 (OMP_CLAUSE_ELT_CHECK): Define.
3771 (omp_clause_check_failed): Declare.
3772 (omp_clause_operand_check_failed): Declare.
3773 (omp_clause_range_check_failed): Declare.
3774 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
3775 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
3776 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
3777 (OMP_CLAUSE_LASTPRIVATE): Likewise.
3778 (OMP_CLAUSE_IF_EXPR): Likewise.
3779 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
3780 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
3781 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
3782 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
3783 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
3784 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
3785 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
3786 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
3787 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
3788 (OMP_CLAUSE_CODE): Define.
3789 (OMP_CLAUSE_SET_CODE): Define.
3790 (OMP_CLAUSE_CODE): Define.
3791 (OMP_CLAUSE_OPERAND): Define.
3792 (struct tree_omp_clause): Declare.
3793 (union tree_node): Add field 'omp_clause'.
3794 * treestruct.def (TS_OMP_CLAUSE): Define.
3795 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
3796 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
3797 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
3798 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
3799 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
3800 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
3801 (OMP_CLAUSE): Define.
3802 * print-tree.c (print_node): Handle OMP_CLAUSE.
3803 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
3804 * c-typeck.c: Likewise.
3805 * gimplify.c: Likewise.
3806 * c-omp.c: Likewise.
3807 * tree-nested.c: Likewise.
3808 * tree-inline.c: Likewise.
3809 * c-parser.c: Likewise.
3810 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
3813 2006-01-25 Roger Sayle <roger@eyesopen.com>
3815 PR rtl-optimization/25703
3816 * combine.c (try_combine): Handle zero_extract and strict_low_part
3817 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
3819 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
3821 * global.c: Fix comment typos.
3823 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
3826 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
3827 Use output_addr_const instead of assemble_name.
3829 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
3831 * Makefile.in (sched-vis.o): Update dependencies.
3832 * haifa-sched.c (sched_finish): Clear current_sched_info.
3833 * cfg.c (dump_bb_info): New, split from dump_flow_info.
3834 (dump_flow_info): Call it.
3835 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
3837 * basic-block.h (dump_bb_info): Declare.
3838 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
3839 option, and apply options only for dump files whose TDF_RTL,
3840 TDF_TREE, or TDF_IPA bits match.
3841 * rtl.h: Declare new functions exported from sched-vis.c.
3842 * sched-vis.c: Enable also if scheduling is not used.
3843 (print_value): Print the mode of registers if not inside scheduling.
3844 (print_insn): Make it work outside the scheduler. Beautify the output
3846 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
3848 2006-01-25 Richard Sandiford <richard@codesourcery.com>
3850 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
3851 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
3852 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
3853 depending on the value of CONSTANT_POOL_ADDRESS_P.
3854 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
3856 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
3857 rather than SYMBOL_REF_DECL.
3858 (rtx_constant_pool): Remove const_rtx_sym_htab.
3859 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
3860 (init_varasm_status): Don't initialize const_rtx_sym_htab.
3861 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
3862 Remove handling of const_rtx_sym_htab.
3863 (find_pool_constant): Delete.
3864 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
3865 rather than find_pool_constant.
3866 (get_pool_constant_for_function): Delete.
3867 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
3869 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
3870 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
3871 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
3872 (SYMBOL_REF_CONSTANT): New macro.
3873 (get_pool_constant_for_function): Delete.
3874 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
3875 rather than SYMBOL_REF_DECL.
3876 (i386_pe_mark_dllimport): Likewise.
3877 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
3878 rather than SYMBOL_REF_DECL.
3879 * config/darwin.c (machopic_indirect_data_reference): Likewise.
3880 (machopic_indirect_call_target): Likewise.
3882 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
3884 * flow.c (delete_noop_moves): Add missing EOL to dump message.
3886 2006-01-25 Richard Sandiford <richard@codesourcery.com>
3888 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
3890 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
3892 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
3894 2006-01-24 David Daney <ddaney@avtrex.com>
3897 * configure.ac (enable_tls): New enable option.
3898 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
3899 * configure: Regenerate.
3900 * doc/install.texi (--enable-tls): Document new option.
3901 (--disable-tls): Ditto.
3903 2006-01-24 Richard Henderson <rth@redehat.com>
3905 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
3906 * alias.c (true_dependence): Respect it.
3907 (canon_true_dependence, write_dependence_p): Likewise.
3908 * builtins.c (get_builtin_sync_mem): Set it.
3910 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
3912 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
3915 2006-01-24 DJ Delorie <dj@redhat.com>
3917 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
3918 for storing constants in single-bit bitfields.
3920 2006-01-25 Ben Elliston <bje@au.ibm.com>
3922 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
3924 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
3927 * tree-ssa-pre.c (phi_translate): Return NULL
3928 for AGGREGATE_TYPE's.
3930 2006-01-24 Zack Weinberg <zackw@panix.com>
3932 * genautomata.c (process_state_for_insn_equiv_partition):
3933 Use xcalloc for insn_arcs_array.
3934 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
3935 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
3937 2006-01-24 Richard Henderson <rth@redhat.com>
3939 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
3942 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
3944 PR rtl-optimization/25890
3945 PR rtl-optimization/25905
3946 * combine.c (expand_compound_operation, expand_field_assignment):
3947 Fail if the bitfield's final position is out of bounds.
3949 2006-01-24 Ian Lance Taylor <ian@airs.com>
3952 * cgraphunit.c (cgraph_output_in_order): Don't clear
3953 cgraph_asm_nodes until after asm strings have been output.
3955 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
3957 * fix-header.c (read_scan_file): Add new parameter imultilib when
3958 calling register_include_chains.
3960 2006-01-23 Diego Novillo <dnovillo@redhat.com>
3962 * omp-low.c: Update documentation.
3964 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
3965 Daniel Berlin <dberlin@dberlin.org>
3969 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
3970 return from the function.
3972 2006-01-22 Zack Weinberg <zackw@panix.com>
3974 * rtl.def (match_code): Add second argument.
3975 * genpreds.c (write_extract_subexp): New function.
3976 (write_match_code): Add path argument. Use write_extract_subexp.
3977 (write_predicate_expr): Pass path to write_match_code.
3978 (mark_mode_tests): MATCH_CODE applied to a subexpression does
3979 not perform a mode test.
3980 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
3981 a subexpression does not constrain the top-level code set.
3982 * read-rtl.c (read_rtx_variadic): New function.
3983 (read_rtx_1): Use it; allow AND and IOR to be variadic.
3984 * doc/md.texi: Document new notation.
3985 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
3986 (cmpsi_operand): ... here, using new notation.
3988 2006-01-22 Zack Weinberg <zackw@panix.com>
3990 * varray.c: Remove GENERATOR_FILE #ifdefs.
3992 2006-01-22 Zack Weinberg <zackw@panix.com>
3994 * genautomata.c (output_reserved_units_table): Emit nothing if
3995 description->query_units_num is zero. Remove extra blank line.
3996 (output_cpu_unit_reservation_p): Short circuit
3997 if description->query_units_num is zero.
3999 2006-01-22 Zack Weinberg <zackw@panix.com>
4001 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
4002 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
4003 nor any of the random handful of variables that used to be necessary
4004 when this program was linked with rtlanal.o. Prune set of forward
4005 function declarations.
4006 (struct attr_desc): Remove static_p field.
4007 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
4008 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
4009 (attr_string): Do not read the character one past the length of
4011 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
4012 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
4013 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
4014 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
4015 (make_automaton_attrs): New.
4016 (main): Do not call into genautomata. Call local gen_bypass
4017 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
4018 Remove special case for insn_alts.
4019 * genautomata.c: Include gensupport.h; not genattrtab.h nor
4020 varray.h (leftover from previous change). Prune set of forward
4021 function declarations. Remove state_alts fields from all
4022 structures. Remove state_alts_table from struct automaton.
4023 Make everything except main static. Do not maintain num_dfa_decls.
4024 Do not maintain state_alts fields of various structures.
4025 (process_decls): Don't validate condexp for dm_insn_reserv decls.
4026 (add_arc): Remove state_alts argument. All callers updated.
4027 (output_reserved_units_table): Emit #ifdef here...
4028 (output_tables): ...not here. Don't generate state_alts tables.
4029 (expand_automata): Don't generate attributes.
4030 (write_automata): Don't generate state_alts functions.
4031 (main): New function.
4032 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
4033 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
4034 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
4035 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
4036 (BYPASS_P_FUNC_NAME, output_state_alts_table)
4037 (output_automata_list_state_alts_code, output_internal_state_alts_func)
4038 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
4039 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
4041 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
4042 * genattrtab.h: Delete file.
4043 * Makefile.in (OBJS-common): Add insn-automata.o.
4044 (insn-automata.o): New rule.
4045 (simple_generated_c): Add insn-automata.c.
4046 (build/genattrtab.o, build/genautomata.o): Update dependencies.
4047 (genprogmd): Add automata.
4048 (build/genattrtab): Needs no extra objects nor libraries.
4049 (build/genautomata): Needs build/vec.o and -lm.
4051 2006-01-22 Zack Weinberg <zackw@panix.com>
4053 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
4054 (output_dfa_max_issue_rate, locked_states_num): Delete.
4055 (struct automaton): Add locked_states field.
4056 (output_dead_lock_vect): Save number of locked states in
4057 automaton->locked_states. If it is zero, don't print anything.
4058 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
4059 (output_internal_dead_lock_func): Only test the dead_lock_vect
4060 for automata that have locked states.
4061 (output_statistics): Always print the number of locked states for
4062 each automaton. Calculate total number of locked states here.
4063 (write_automata): Don't call output_dfa_max_issue_rate.
4064 * genattrtab.c: Define length_unit_log as a const variable.
4065 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
4066 max_insn_queue_index const.
4067 * final.c (length_unit_log): Declare const.
4068 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
4070 2006-01-22 Zack Weinberg <zackw@panix.com>
4072 * genautomata.c: Include vec.h, not varray.h.
4073 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
4074 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
4075 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
4076 VEC_* macros operating on appropriately typed vectors, or to
4077 malloced arrays when the size is known in advance. Const-ify
4078 many char* variables and function arguments. No functional changes.
4079 * Makefile.in (build/varray.o): Delete rule.
4080 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
4081 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
4083 2006-01-22 Zack Weinberg <zackw@panix.com>
4085 * gensupport.c: Define get_insn_name and record_insn_name here.
4086 (read_md_rtx): Call record_insn_name as appropriate.
4087 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
4088 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
4089 * genpreds.c, genrecog.c: Don't define get_insn_name nor
4091 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
4092 (BUILD_VARRAY): Delete.
4093 (genprognormal): Rename genprogmd. Fold in all programs from
4094 genprognoprint; also attrtab.
4095 (build/genattrtab): Just mention genautomata.o and varray.o.
4096 Reorganize a bit, add comments to make the categories clearer.
4098 2006-01-22 Zack Weinberg <zackw@panix.com>
4100 * genconditions.c (condition_table, add_condition): Delete.
4101 (write_conditions): Don't emit n_insn_conditions nor
4102 insn_elision_unavailable. Issue the gcc version #ifdef here,
4103 inside the table, with no #else clause ...
4104 (write_header): ...not here.
4105 (write_writer): New function.
4106 (main): Don't initialize condition_table. Use add_c_test.
4108 * gensupport.c (init_md_reader_args_cb): Handle multiple input
4109 files on the command line.
4110 (maybe_eval_c_test): Don't check insn_elision_unavailable.
4111 Return -1 if there is no entry in the table, don't abort.
4112 (add_c_test, traverse_c_tests): New functions.
4113 * gensupport.h (insn_elision_unavailable, insn_conditions)
4114 (n_insn_conditions): Delete declarations.
4115 (add_c_test, traverse_c_tests): Declare.
4116 * read-rtl.c: Include gensupport.h.
4117 (read_conditions): New function.
4118 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
4119 (read_rtx_1): If we get EOF when we were looking for an initial
4120 open paren, return 0. Call read_conditions when appropriate.
4121 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
4122 dummy-conditions.o. Eliminate references to insn-conditions.o,
4123 or change them to build/gencondmd.o, as appropriate. Remove
4124 insn-constants.h from $(simple_generated_h) and insn-conditions.c
4125 from $(simple_generated_c). For all files remaining in those
4126 two lists, add insn-conditions.md to the generator command line.
4127 Give insn-constants.h/s-constants their own rules. Add rules
4128 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
4129 (build/read-rtl.o): Depend on gensupport.h.
4130 (genprognormal): Include preds.
4131 (genprogearly): Rename genprognoprint; only difference is now that
4132 they don't link with $(BUILD_PRINT).
4133 * dummy-conditions.c: Delete.
4135 2006-01-22 Zack Weinberg <zackw@panix.com>
4137 * genextract.c: Don't include insn-config.h. Do include vec.h.
4138 Declare vectors of int, char, and locstr.
4139 (locstr): New typedef.
4140 (struct extraction): Make all array fields into bare pointers.
4141 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
4142 (insn_code_number): Delete.
4143 (accum_extract): New struct.
4144 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
4145 (gen_insn): Take insn_code_number as an argument. Use an
4146 accum_extract structure instead of loading data directly into
4147 a struct extraction, and having to know how big it might get.
4148 (walk_rtx): Operate entirely on an accum_extract structure.
4149 (print_path): Avoid unnecessary use of printf.
4150 (print_header): New function, split out of main. Distinguish
4151 more carefully between an unrecognizable insn and an insn that
4152 has the code number of a define_expand.
4153 (main): Pass insn_code_number to gen_insn. Call print_header
4154 only after parsing. Avoid unnecessary use of printf.
4155 * Makefile.in (build/vec.o): New rule.
4156 (build/genextract): Depend on build/vec.o.
4157 (build/genextract.o): Don't depend on insn-config.h.
4159 2006-01-22 Zack Weinberg <zackw@panix.com>
4161 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
4162 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
4163 practical. Eliminate per-generator-program link rules.
4165 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
4168 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4169 with a call expr to ...
4170 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4172 2006-01-23 Richard Guenther <rguenther@suse.de>
4174 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
4175 before make_edge with conditional EDGE_TRUE_VALUE.
4177 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
4178 Jan Hubicka <jh@suse.cz>
4179 Richard Guenther <rguenther@suse.de>
4181 PR rtl-optimization/25654
4182 * cfgexpand.c (aggregate_contains_union_type): New function.
4183 (add_alias_set_conflicts): Call it. Make sure to add conflicts
4184 for structure variables that contain a union type.
4186 2006-01-23 Richard Sandiford <richard@codesourcery.com>
4188 * gengtype.c (new_structure): Return the structure.
4189 (create_option): Add an extra "next" argument.
4190 (create_field): New function.
4191 (adjust_field_rtx_def): Use create_option and create_field.
4192 Remove a now-unnecessary call to find_structure.
4193 (adjust_field_tree_def): Likewise.
4194 (note_yacc_type): Remove an unnecessary call to find_structure.
4195 * gengtype.h (new_structure): Return the structure.
4196 (create_option): Add an extra argument.
4197 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
4198 (option): Adjust calls to create_option.
4200 2006-01-22 David Edelsohn <edelsohn@gnu.org>
4202 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
4204 2006-01-22 Paul Brook <paul@codesourcery.com>
4205 Peter Barada <peter@the-baradas.com>
4207 * config/m68k/m68k.md: Add Coldfire FPU support.
4208 Define FP mode macro and associated attributes.
4209 Use it for float mode patterns.
4210 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
4211 (LIBCALL_VALUE): Use m68k_libcall_value.
4212 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
4213 (m68k_function_value): Ditto.
4214 (emit_move_sequence): Ditto.
4215 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
4216 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
4217 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
4218 (MULTILIB_EXCEPTIONS): Ditto.
4219 * config/m68k/m68k.opt: Add mcfv4e.
4220 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
4221 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
4222 (m68k_output_function_prologue): Save ColdFire FPU registers.
4223 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
4224 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
4225 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
4226 ColdFire FPU registers.
4227 (m68k_libcall_value, m68k_function_value): New functions.
4228 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
4229 (LIBCALL_VALUE): Use m68k_libcall_value.
4230 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
4231 (MASK_COLDFIRE): Add MASK_CFV4E.
4232 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
4233 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
4234 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
4235 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
4236 (GO_IF_LEGITIMATE_ADDRESS): Use it.
4237 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
4238 * doc/invoke.tex: Document -mcfv4e on m68k.
4240 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
4242 * doc/contribute.texi: Change CVS to SVN and update the corresponding
4245 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
4248 * c-opts.c (c_common_handle_option): Don't include
4249 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
4250 * doc/invoke.texi (C++ Dialect Options): Document that
4251 -Wnon-virtual-dtor is no longer included in -Wall.
4253 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
4255 * gcov.c (print_version), gcov-dump.c (print_version),
4256 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
4259 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
4261 * df-scan.c (problem_SCAN): Added NULL reset function.
4262 (df_scan_reset_blocks): Added code to call reset block function
4263 (df_bb_refs_delete) Fixed comment.
4264 (df_insn_refs_delete): Made tolerant of deleting non existent info
4265 for dataflow problems that need to be reset.
4266 * df-core.c (df_set_blocks): Ditto.
4267 * df.h (struct df_problem): Added reset_fun.
4268 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
4269 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
4270 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
4271 functions to clear out all references to def-use or use-def chains.
4273 2006-01-21 Ben Elliston <bje@au.ibm.com>
4275 * varasm.c (assemble_real): Initialise data array.
4277 2006-01-20 Paul Brook <paul@codesourcery.com>
4279 Merge from csl-arm-branch.
4280 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
4281 * config/arm/arm.md (movdi): Force operands[1] to a register
4282 if we have a non-register source.
4283 (*arm_movdi, *movdf_soft_insn): Require that one of the
4284 operands be a register.
4285 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
4286 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
4288 2006-01-20 DJ Delorie <dj@redhat.com>
4290 * varasm.c (initialize_constant_valid_p): Allow pointers
4291 initialized from integer constants of lesser precision.
4292 (output_constant): Allow non-int-sized pointer modes to be
4293 initialized from integer constants.
4295 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
4298 * cppdefault.h (struct default_include): Add multilib flag.
4299 * cppdefault.c (cpp_include_defaults): Set it.
4300 * c.opt (-imultilib): New option.
4301 * c-opts.c (imultilib): New.
4302 (c_common_handle_option): Handle -imultilib.
4303 (c_common_post_options): Likewise.
4304 * c-incpath.c (add_standard_paths, register_include_chains):
4306 * c-incpath.h (register_include_chains): Add extra parameter.
4307 * gcc.c (do_spec_1): Generate -imultilib option.
4308 (The Specs Language): Update %I description.
4309 (process_command): Update copyright notice.
4310 * doc/cppopts.texi (-imultilib): Document.
4311 * doc/invoke.texi (-imultilib): Include in option summary.
4312 (%I): Update specs documentation.
4314 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4316 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
4318 2006-01-20 Richard Sandiford <richard@codesourcery.com>
4320 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
4323 2006-01-20 Richard Guenther <rguenther@suse.de>
4324 Steven Bosscher <stevenb.gcc@gmail.com>
4326 PR rtl-optimization/24626
4327 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
4328 EDGE_TRUE_VALUE if in RTL mode.
4331 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
4332 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
4334 2006-01-20 Dirk Mueller <dmueller@suse.com>
4337 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
4338 instead of a special NOP marker.
4339 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
4340 NOP marker handling.
4341 * c-common.h (empty_body_warning): Add forward declaration.
4342 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
4343 Now uses IS_EMPTY_STMT() instead of special NOP markers.
4345 2006-01-20 Paul Brook <paul@codesourcery.com>
4347 * Makefile.in (lang_checks): Keep going if mkdir fails.
4349 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4351 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
4352 be able to clean out basic block when not necessary.
4353 (df_scan_free): Fixed to properly delete information if df is
4354 unused before calling df_finish.
4355 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
4356 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
4358 (df_bb_refs_delete): New function.
4359 (df_refs_delete): Moved per block code to df_bb_refs_delete.
4360 * df-core.c (df_set_blocks): Added code to properly clean out
4361 unused blocks if they are not part of the blocks to consider.
4362 Added additional null check.
4363 (df_compact_blocks): Added basic block parameter to free_bb_fun to
4364 be able to clean out basic block when not necessary
4365 * df.h (df_free_bb_function): Ditto.
4366 (df_bb_refs_delete): New function.
4367 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
4368 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
4369 basic block parameter to be able to clean out basic block when not
4371 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
4372 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
4373 Fixed to properly delete information if df is unused before
4376 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4378 PR rtl-optimization/25799
4379 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
4380 Corrected confluence operator to remove bits from op2 before oring
4381 with op1 rather than removing bits from op1.
4382 (df_ru_transfer_function): Corrected test on wrong bitmap which
4383 caused infinite loop. Both of these problems were introduced in
4384 the dataflow rewrite.
4386 2006-01-19 DJ Delorie <dj@redhat.com>
4388 * reload1.c (find_reload_regs): Note the details of reload
4389 failures in the dump file.
4390 (spill_failure): Likewise.
4392 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4394 * loop-iv.c: Include df.h and hashtab.h.
4395 (enum iv_grd_result): New enum.
4396 (DF_REF_IV, DF_REF_IV_SET): New macros.
4397 (struct biv_entry): New.
4398 (df, bivs): New global variables.
4399 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
4400 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
4402 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
4403 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
4404 analyzed_for_bivness_p, record_biv): New functions.
4405 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
4406 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
4407 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
4409 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
4411 (iv_number_of_iterations): Use new interface to iv analysis.
4412 * loop-unroll.c: Do not include varray.h.
4413 (analyze_iv_to_split_insn): Use new interface to iv
4415 * loop-unswitch.c (may_unswitch_on): Ditto.
4416 * df.c (df_bitmaps_free): Only work for bbs for that structures are
4418 (df_bb_modify): Realloc tables to the new index.
4419 (df_find_use): New function.
4420 * df.h (df_find_use): Declare.
4421 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
4423 * cfgloop.h (struct rtx_iv): Remove analysed field.
4424 (iv_get_reaching_def): Removed.
4425 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
4426 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
4427 (loop-iv.o): Add df.h and hashtab.h dependency.
4428 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
4430 2006-01-20 Alan Modra <amodra@bigpond.net.au>
4433 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
4435 (__floatundisf, __floatundidf): Likewise.
4436 * libgcc2.h (IS_IBM_EXTENDED): Define.
4438 2006-01-19 DJ Delorie <dj@redhat.com>
4440 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
4442 2006-01-19 Paul Brook <paul@codesourcery.com>
4444 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
4445 as nothrow when unwinding tables are disabled.
4447 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4450 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
4451 of bit-field" when in system header.
4453 2006-01-19 DJ Delorie <dj@redhat.com>
4455 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
4456 the 16 bit shift limit of the m16c.
4458 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
4461 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
4462 * config/i386/i386.c (output_set_got): Output the label if we have one
4463 for the TARGET_DEEP_BRANCH_PREDICTION case.
4465 2006-01-19 Jan Hubicka <jh@suse.cz>
4466 H.J. Lu <hongjiu.lu@intel.com>
4467 Evandro Menezes <evandro.menezes@amd.com>
4469 * invoke.texi (generic): Document
4471 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
4472 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
4473 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
4474 (x86_use_incdec, x86_pad_returns): New variables
4475 (TARGET_CPU_DEFAULT_generic): New constant
4476 (TARGET_CPU_DEFAULT_NAMES): Add generic.
4477 (enum processor_type): Add generic32 and generic64.
4478 * i386.md (cpu attribute): Add generic32/generic64
4479 (movhi splitter): Behave sanely when both partial_reg_dependency and
4480 partial_reg_stall are set.
4481 (K8 splitters): Enable for generic as well.
4482 * predicates.md (incdec_operand): Use TARGET_INCDEC
4483 (aligned_operand): Avoid memory mismatch stalls.
4484 * athlon.md: Enable for generic64, new patterns for 128bit moves.
4485 * ppro.md: Enable for generic32
4486 * i386.c (generic64_cost, generic32_cost): New.
4487 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
4488 (x86_use_leave): Enable for generic64. (x86_use_sahf,
4489 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
4490 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
4491 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4492 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4493 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4494 x86_accumulate_outgoing_args, x86_prologue_using_move,
4495 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4496 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
4498 (x86_use_incdec, x86_pad_returns): New.
4499 (override_options): Add generic32 and generic64, translate "generic"
4500 to generic32/generic64 and "i686" to "generic32", refuse
4501 "generic32"/"generic64" as arch target.
4502 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
4503 (ix86_reorg): Honor PAD_RETURNS.
4505 2006-01-19 Diego Novillo <dnovillo@redhat.com>
4507 * tree-pretty-print.c (dump_generic_node): Handle
4508 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
4509 * cgraph.c (cgraph_expand_queue): Rename from
4510 cgraph_analyze_queue. Update all users.
4511 * cgraphunit.c (cgraph_assemble_pending_functions): Process
4512 cgraph_expand_queue.
4513 (cgraph_expand_all_functions): Likewise.
4514 (cgraph_finalize_pending_functions): Remove. Update callers.
4516 * tree.h (OMP_DIRECTIVE_P): Define.
4517 (OMP_PARALLEL_FN): Define.
4518 (OMP_PARALLEL_DATA_ARG): Define.
4519 (OMP_SECTIONS_SECTIONS): Define.
4520 * tree-pass.h (pass_expand_omp): Declare.
4521 * omp-low.c (struct omp_region): Declare.
4522 (struct omp_context): Remove fields 'parallel_type',
4523 'parallel_start_ix' and 'parallel_start_additional_args'.
4525 (struct omp_for_data): Rename from struct expand_omp_for_data.
4526 (omp_regions): New static variable.
4527 (root_omp_region): New static variable.
4528 (find_omp_clause): Make static.
4529 (is_in_combined_parallel_ctx): Remove.
4530 (is_combined_parallel): New.
4531 (extract_omp_for_data): Move earlier in the file.
4532 (workshare_safe_to_combine_p): New.
4533 (get_ws_args_for): New.
4534 (determine_parallel_type): Move earlier in the file.
4535 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
4537 (omp_copy_decl): Likewise.
4538 (create_omp_child_function): Likewise.
4539 (lookup_omp_region): New.
4540 (dump_omp_region): New.
4541 (debug_omp_region): New.
4542 (debug_all_omp_regions): New.
4543 (new_omp_region): New.
4544 (scan_omp_parallel): If parallel_nesting_level > 1, the
4545 directive is nested within another parallel directive.
4546 Set OMP_PARALLEL_FN.
4547 (scan_omp_for): Do not try to handle combined parallel+for
4549 Remove FIXME comment.
4550 (scan_omp_nested): Remove.
4551 (scan_omp_1): Do not call scan_omp_nested when
4552 parallel_nesting_level is > 1.
4553 Do not change the DECL_CONTEXT of local variables found.
4554 (lookup_decl_in_outer_ctx): New.
4555 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
4556 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
4557 (lower_reduction_clauses): Rename from expand_reduction_clauses.
4558 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
4559 If CTX is nested, lookup VAR in the outer context when
4560 building copy assignment.
4561 (lower_send_clauses): Rename from expand_send_clauses.
4562 If CTX is nested, lookup VAR in the outer context when
4563 building copy assignments.
4564 (lower_send_shared_vars): Rename from expand_send_shared_vars.
4565 If CTX is nested, lookup VAR in the outer context when
4566 building copy assignments.
4567 (expand_parallel_call): Rename from build_parallel_call.
4568 Handle combined parallel+workshare cases.
4569 Re-implement to emit code into the CFG.
4571 (expand_omp_parallel): Re-implement to emit code into the CFG.
4572 Call move_sese_region_to_fn to outline the sub-graph
4573 containing the parallel region.
4574 (expand_omp_for_1): Remove.
4575 (expand_omp_for_generic): Re-implement to emit code into the
4577 (expand_omp_for_static_nochunk): Likewise.
4578 (expand_omp_for_static_chunk): Likewise.
4579 (expand_omp_for): Likewise.
4580 (expand_omp_sections): Likewise.
4581 (remove_exit_barriers): New.
4582 (expand_omp_synch): New.
4584 (build_omp_regions_1): New.
4585 (build_omp_regions): New.
4586 (execute_expand_omp): New.
4587 (gate_expand_omp): New.
4588 (pass_expand_omp): Define.
4589 (lower_omp_sections): Rename from expand_omp_sections.
4590 Set OMP_SECTIONS_SECTIONS.
4591 (lower_omp_single_simple): Rename from expand_omp_single_simple.
4592 (lower_omp_single_copy): Rename from expand_omp_single_copy.
4593 (lower_omp_single): Rename from expand_omp_simple.
4594 (lower_omp_master): Rename from expand_omp_master.
4595 (lower_omp_ordered): Rename from expand_omp_ordered.
4596 (lower_omp_critical): Rename from expand_omp_critical.
4597 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
4598 (lower_omp_for): Re-implement.
4599 (lower_omp_parallel): Re-implement.
4600 (lower_regimplify): Rename from expand_regimplify.
4601 (lower_omp_1): Rename from expand_omp_1.
4602 If there are syntax errors in the program, replace every
4603 OpenMP directive with NOP.
4604 Call lower_omp_* instead of expand_omp_*.
4605 (lower_omp): Rename from expand_omp.
4607 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
4608 * tree-gimple.h (enum omp_parallel_type): Remove.
4609 (gimple_boolify): Declare extern.
4610 (find_omp_clause, determine_parallel_type): Remove.
4612 * gimple-low.c (lower_omp_directive): New.
4613 (lower_stmt): Call it.
4614 (record_vars_into): Move from ...
4615 (record_vars): ... here.
4616 Call record_vars_into with current_function_decl.
4618 * gimplify.c (struct gimplify_ctx): Remove fields
4619 combined_pre_p and combined_ctxp. Update users.
4620 (get_formal_tmp_var): Add documentation.
4621 (gimple_boolify): Make extern.
4622 (gimplify_expr_in_ctx): Remove. Update callers.
4623 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
4624 will always be a BIND_EXPR.
4625 (gimplify_expr): Handle OMP_RETURN_EXPR.
4626 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
4627 (OMP_PARALLEL): Add 3 operands.
4628 (OMP_SECTIONS): Add 1 operand.
4629 (OMP_RETURN_EXPR): Define.
4631 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
4632 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
4633 * tree-iterator.c (alloc_stmt_list): Assert that we are not
4634 creating a circular free list.
4635 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
4637 * tree-flow.h (move_sese_region_to_fn): Declare.
4638 (record_vars_into): Declare.
4639 * tree-cfg.c (make_omp_sections_edges): New.
4640 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
4641 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
4642 OMP_SECTIONS and OMP_SECTION.
4643 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
4644 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
4645 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
4646 (gather_blocks_in_sese_region): New.
4647 (struct move_stmt_d): Declare.
4649 (move_block_to_fn): New.
4650 (move_sese_region_to_fn): New.
4652 * passes.c (init_optimization_passes): Schedule
4653 pass_expand_omp after pass_init_datastructures.
4655 * tree-ssa-operands.c (get_expr_operands): Handle
4656 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
4657 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
4659 2006-01-19 Jeff Law <law@redhat.com>
4661 * tree-vrp.c (extract_range_from_assert): Refine the result range
4662 if the variable referenced by the ASSERT_EXPR has a range and
4663 either the tentative result range or the previous range is a
4666 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4668 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
4670 2006-01-19 Jan Hubicka <jh@suse.cz>
4672 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
4674 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
4676 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
4677 (expand_compound_operation, expand_field_assignment): Fail if the
4678 bit lengths of an extract operation are out of range.
4679 (make_extraction): Compute wanted_inner_mode based on the position
4680 and length of the extraction. Make it extraction_mode for non-constant
4681 positions, and do not modify offset in that case. When generating a
4682 new MEM, use a mode that can hold the extraction while keeping correct
4683 alignment. Remove code that supported MEMs wrapped by USEs.
4684 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
4686 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
4688 * config/s390/s390.md ("Y", "y"): New mode attribute.
4689 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
4690 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
4691 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
4692 "*addsi3_imm_cc", "*addsi3_carry1_cc",
4693 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
4694 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
4695 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
4696 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
4697 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
4698 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
4699 "addsi3", "subsi3"): Insn patterns removed.
4700 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
4701 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
4702 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
4703 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
4704 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
4705 "*sub<mode>3_cconly2"): New insn patterns.
4706 ("addsi3", "subsi3"): New expanders.
4708 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
4710 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
4711 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
4712 existing STMT_VINFO_VECTYPE if available.
4713 (vect_mark_relevant): Add special handling for stmts that are
4714 marked as STMT_VINFO_IN_PATTERN_P.
4715 (vect_analyze_loop): Call vect_pattern_recog.
4716 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
4717 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
4719 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
4720 (vect_recog_func_ptr): New function-pointer type.
4721 * tree-vect-patterns.c: New file.
4722 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
4723 (vect_recog_dot_prod_pattern, vect_pattern_recog):
4724 (vect_pattern_recog_1): New functions.
4725 (vect_pattern_recog_funcs): New array of function pointers.
4727 * tree-vectorizer.h (ternary_op): New enum value.
4728 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
4729 declaration. Revised documentation. Removed redundant dump prints.
4730 Removed redundant argument. Added support for reduction patterns.
4731 (vectorizable_reduction): Added support for reduction patterns.
4732 (vect_transform_stmt): Added support for patterns.
4734 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
4735 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
4736 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
4737 (expand_widen_pattern_expr): New function.
4738 (init_optabs): Initialize new optabs udot_prod_optab,
4740 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
4741 (sdot_prod_optab, udot_prod_optab): Define new optabs.
4742 (expand_widen_pattern_expr): New function declaration.
4743 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
4745 * tree-inline.c (estimate_num_insns_1): Added cases for new
4746 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4747 * tree-pretty-print.c (dump_generic_node): Likewise.
4748 (op_prio): Likewise.
4749 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4750 * tree-ssa-operands.c (get_expr_operands): Added case for
4752 * tree-vect-patterns.c (widened_name_p): New function.
4753 (vect_recog_dot_prod_pattern): Added function implementation.
4754 * tree-vect-transform.c (get_initial_def_for_reduction): Added
4755 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
4756 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
4757 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
4759 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
4760 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
4761 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
4762 (init_optabs): Initialize new optabs widen_ssum_optab,
4764 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
4765 (widen_ssum_optab, widen_usum_optab): Define new optabs.
4766 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
4767 use instead of type of def.
4768 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
4769 function implementation.
4770 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
4771 widen_ssumv8hi): New.
4773 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
4776 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4779 * c-decl.c (add_flexible_array_elts_to_size): New function.
4780 (finish_decl): Use it.
4782 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
4784 * diagnostic.h: Include options.h.
4785 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
4786 dependancies for diagnostic.h.
4787 * Makefile.in (DIAGNOSTIC_H): Add options.h.
4789 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
4791 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
4792 (ssa_ro_call_cache_valid): Ditto.
4793 * tree-ssa-alias.c (sort_tags_by_id): New function.
4794 (init_transitive_clobber_worklist): Ditto.
4795 (add_to_worklist): Ditto.
4796 (mark_aliases_call_clobbered): Ditto.
4797 (compute_tag_properties): Ditto.
4798 (set_initial_properties): Ditto.
4799 (compute_call_clobbered): Ditto.
4800 (compute_may_aliases): Call compute_call_clobbered and grouping.
4801 (compute_flow_sensitive_aliasing): Remove clobbering related code.
4802 (compute_flow_insensitive_aliasing): Grouping now happens in our
4804 (setup_pointers_and_addressables): Remove clobbering related code.
4805 (add_may_alias): Ditto.
4806 (replace_may_alias): Ditto.
4807 (get_nmt_for): Ditto.
4808 (create_global_var):
4809 (is_escape_site): Return an escape_type enumeration.
4810 * tree-flow-inline.h (is_call_clobbered): Global var does not
4811 imply call clobbered.
4812 (mark_call_clobbered): Take a reason for marking this. Remove
4813 marking of globalness, and cache invalidation.
4814 (clear_call_clobbered): Remove cache invalidation code.
4815 * tree-dfa.c (dump_variable): If details is on, dump the reason
4817 * tree-outof-ssa.c (create_temp): Copy escape mask from original
4819 * tree-flow.h (struct ptr_info_def): Add escape mask member.
4820 (struct var_ann_d): Ditto.
4821 (enum escape_type): New.
4822 (mark_call_clobbered): Adjust prototype.
4823 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
4824 are never call clobbered.
4825 Record reasons for escaping.
4826 * tree-ssa-structalias.h (is_escape_site): Update prototype.
4827 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
4828 (ssa_ro_call_cache_valid): Ditto.
4829 (clobbered_v_may_defs): Ditto.
4830 (clobbered_vuses): Ditto.
4831 (ro_call_vuses): Ditto.
4832 (clobber_stats): New.
4833 (init_ssa_operands): Zero out clobber stats.
4834 (fini_ssa_operands): Print out clobber stats.
4835 (get_call_expr_operands): Pass callee fndecl to
4837 (add_call_clobber_ops): Remove use of cache.
4838 Add use of PURE_CONST information.
4839 (add_call_read_ops): Remove use of cache.
4840 Add use of static not_read information.
4842 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
4844 Introduce TLS descriptors for i386 and x86_64.
4845 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
4846 (TARGET_ANY_GNU_TLS): New macro.
4847 (enum tls_dialect): Added TLS_DIALECT_GNU2.
4848 (struct machine_function): Add tls_descriptor_call_expanded_p.
4849 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
4850 (ix86_current_function_calls_tls_descriptor): Likewise.
4851 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
4852 (override_options): Introduce gnu2 tls dialect.
4853 (ix86_frame_pointer_required): Functions containing TLSCALLs are
4855 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
4857 (legitimize_tls_address): Adjust logic for GNU2 TLS.
4858 (ix86_init_machine_status): Initialize new field.
4859 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
4860 (ix86_tls_module_base): New.
4861 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
4862 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
4863 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
4864 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
4865 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
4866 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
4867 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
4868 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
4869 * config/i386/predicates.md (tls_modbase_operand): New.
4870 (tp_or_register_operand): New.
4872 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
4874 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
4875 (look_for_address_of): Ditto.
4876 (ipa_init): Walk the function decls.
4877 (static_execute): Don't set readonly on FUNCTION_DECL's.
4879 2006-01-18 Roger Sayle <roger@eyesopen.com>
4881 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
4882 for shifts where the source and destination registers are different.
4884 2006-01-18 Paul Brook <paul@codesourcery.com>
4886 Merge from csl-arm-branch.
4887 2005-03-14 Julian Brown <julian@codesourcery.com>
4888 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
4889 (aeabi_llsl): Likewise.
4890 (ashrdi3): Likewise.
4891 (aeabi_lasr): Likewise.
4892 (lshrdi3): Likewise.
4893 (aeabi_llsr): Likewise.
4894 2005-03-10 Julian Brown <julian@codesourcery.com>
4895 * config.gcc: Disable shared libgcc for SymbianOS.
4896 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
4898 2006-01-18 DJ Delorie <dj@redhat.com>
4900 * c-pragma.c (handle_pragma_diagnostic): New.
4901 (init_pragma): Register it.
4902 * doc/extend.texi: Document it.
4904 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
4905 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
4906 (diagnostic_context): Add classify_diagnostic[].
4907 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
4908 as errors if they're overridden to DK_WARNING.
4909 (diagnostic_initialize): Initialize classify_diagnostic[].
4910 (diagnostic_set_kind_override): New.
4911 (diagnostic_report_diagnostic): Check for kind changes.
4912 * opts.c (common_handle_option): Take lang_mask. Update callers.
4914 * common.opt (Werror=): New.
4915 * doc/invoke.texi: Document -Werror=*
4917 2006-01-18 Jeff Law <law@redhat.com>
4919 * tree-vrp.c (test_for_singularity): Correct test for new
4920 min limit. Use operand_equal_p rather than pointer equality
4921 for testing if new min/max values are equal.
4923 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
4924 using range information until after propagation and folding.
4926 2006-01-18 Richard Henderson <rth@redhat.com>
4927 Aldy Hernandez <aldyh@redhat.com>
4928 Jakub Jelinek <jakub@redhat.com>
4929 Diego Novillo <dnovillo@redhat.com>
4931 * omp-low.c: New file.
4932 * c-omp.c: New file.
4934 2006-01-18 Richard Henderson <rth@redhat.com>
4935 Jakub Jelinek <jakub@redhat.com>
4936 Diego Novillo <dnovillo@redhat.com>
4938 * doc/invoke.texi: Document -fopenmp.
4939 * tree-dump.h (debug_function): Declare.
4940 * hooks.c (hook_bool_tree_bool_false): New function.
4941 (hook_tree_tree_null): Remove.
4942 (hook_tree_tree_tree_null): New.
4943 * hooks.h: Update to match.
4944 * tree-pretty-print.c (debug_tree_chain): New.
4945 (print_generic_expr): Handle TDF_CHAIN.
4946 (dump_generic_node): Handle BLOCK.
4947 Do not abort with incomplete SWITCH_EXPRs.
4948 Do not dump body of an OpenMP directive if TDF_SLIM is given.
4949 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
4950 print space after directive name.
4951 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
4952 Handle OMP_MASTER and OMP_ORDERED.
4953 Handle printing of OMP_BODY just in one place, goto
4954 dump_omp_body in the rest of OMP_* nodes that have
4956 Don't handle clause nodes here. Update omp statements to
4957 use dump_omp_clauses.
4958 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
4959 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
4960 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
4961 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
4962 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
4963 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
4964 Adjust output for GOMP_PARALLEL.
4965 (dump_omp_clauses): New.
4966 (print_declaration): Dump DECL_VALUE_EXPR.
4967 (op_symbol_1): Split out of op_symbol.
4968 (dumping_stmts): Remove. Update all users.
4969 * cgraph.c (cgraph_analyze_queue): New.
4970 (cgraph_add_new_function): New.
4971 * cgraph.h (cgraph_analyze_queue): Declare.
4972 (cgraph_add_new_function): Declare.
4973 (cgraph_lower_function): Remove.
4974 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
4975 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
4976 and TYPE_P nodes in its default clause.
4977 (empty_body_p): New.
4978 (tree_range_check_failed): New.
4980 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
4981 OMP_CLAUSE_REDUCTION_MERGE,
4982 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
4983 OMP_CLAUSE_PRIVATE_DEBUG,
4984 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
4985 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
4986 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
4987 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
4988 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
4989 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
4990 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
4991 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
4992 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
4993 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
4994 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
4995 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
4996 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
4997 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
4998 (TREE_RANGE_CHECK): New.
4999 (empty_body_p): Declare.
5000 (enum omp_clause_default_kind): New.
5001 (build_string_literal): Declare.
5002 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
5003 (build5_stat, build5): Declare.
5004 * tree-pass.h (TDF_CHAIN): Define.
5005 * tree-pass.h (PROP_gimple_lomp): Define.
5006 (pass_lower_omp): Declare.
5007 * diagnostic.h (debug_tree_chain): Declare.
5008 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
5010 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
5011 * builtins.c (build_string_literal): Make extern.
5012 * gcc.c (include_spec_function): New.
5013 (static_spec_functions): Add it.
5014 (main): Move load of libgomp.spec ...
5015 (LINK_COMMAND_SPEC): ... here.
5016 (link_gomp_spec): New.
5017 (static_specs): Include it.
5018 (LINK_COMMAND_SPEC): Add link_gomp.
5019 (GOMP_SELF_SPECS): New.
5020 (driver_self_specs): Include it.
5021 (switch_matches): Don't mark inline.
5022 (main): Load libgomp.spec.
5023 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
5024 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
5025 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
5026 * tree-gimple.h (enum omp_parallel): Declare.
5027 (determine_parallel_type): Declare.
5028 (omp_firstprivatize_variable): Declare.
5029 (omp_reduction_init): Declare.
5030 (diagnose_omp_structured_block_errors): Declare.
5031 (struct walk_stmt_info): Add want_return_expr.
5032 (struct walk_stmt_info): Add want_bind_expr, want_locations.
5033 (find_omp_clause): Declare.
5034 (insert_field_into_struct): Declare.
5035 (struct walk_stmt_info): Move from tree-nested.c
5036 (walk_stmts): Declare.
5037 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
5039 * cgraphunit.c (cgraph_lower_function): Make static.
5040 (cgraph_finalize_pending_functions): New.
5041 (cgraph_finalize_function): Call it.
5042 (cgraph_finalize_compilation_unit): Likewise.
5043 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
5044 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
5045 (BT_FN_UINT_UINT): New.
5046 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
5047 DEF_FUNCTION_TYPE_VAR_4): Document.
5048 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
5049 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
5050 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
5051 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
5052 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
5053 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
5054 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
5055 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
5056 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
5057 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
5058 into separate files.
5059 (DEF_GOMP_BUILTIN): New.
5060 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
5061 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
5062 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
5063 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
5064 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
5065 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
5066 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
5067 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
5068 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
5069 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
5070 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
5071 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
5072 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
5073 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
5074 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
5075 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
5076 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
5077 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
5078 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
5079 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
5080 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
5081 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
5082 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
5083 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
5084 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
5085 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
5086 * sync-builtins.def: New file, moved from builtins.def.
5087 * omp-builtins.def: New file, moved from builtins.def.
5088 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
5089 * gimple-low.c (lower_function_body): Clear data.
5090 (lower_stmt): Do not handle COMPOUND_EXPR.
5091 Remove call to print_node_brief.
5092 * c-tree.h (c_finish_omp_clauses): New prototype.
5093 (C_DECL_THREADPRIVATE_P): Define.
5094 (lookup_name_no_remap, c_omp_remap_private): Remove
5095 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
5096 (check_for_loop_decls): Update decl.
5097 (lookup_name_no_remap, c_omp_remap_private): Declare.
5098 (build_indirect_ref, build_modify_expr, pushdecl,
5099 pushdecl_top_level): Move to c-common.h.
5100 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
5101 before the switch, but just in the 2 places that need it.
5102 * c-decl.c (diagnose_mismatched_decls): Do not check for
5103 mismatched thread-local attributes when OLDDECL is marked
5104 threadprivate and NEWDECL has no thread-local attributes.
5105 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
5106 (c_gimple_diagnostics_recursively): Rename from
5107 c_warn_unused_result_recursively. Invoke
5108 diagnose_omp_structured_block_errors.
5109 (check_for_loop_decls): Return a singular decl found.
5110 * langhooks.c (lhd_omp_predetermined_sharing): Return
5111 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
5112 (lhd_omp_firstprivatize_type_sizes): New.
5113 (lhd_omp_assignment): New.
5114 (lhd_omp_predetermined_sharing): New.
5115 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
5116 (struct lang_hooks_for_types): Add
5117 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
5118 omp_predetermined_sharing, omp_disregard_value_expr,
5119 omp_private_debug_clause, omp_clause_default_ctor,
5120 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
5121 (c_finish_omp_clauses): New.
5122 (c_finish_bc_stmt): Diagnose break within omp for.
5123 (c_begin_omp_parallel, c_finish_omp_parallel): New.
5124 (build_unary_op): Return error_mark after reporting
5126 (build_modify_expr): Likewise.
5127 * gimplify.c: Include optabs.h and pointer-set.h.
5128 (enum gimplify_omp_var_data): Declare.
5129 (struct gimplify_omp_ctx): Declare.
5130 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
5132 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
5133 (push_gimplify_context, pop_gimplify_context): Allow nesting.
5134 (splay_tree_compare_decl_uid): New.
5135 (new_omp_context): New.
5136 (delete_omp_context): New.
5137 (gimple_add_tmp_var): Call omp_add_variable.
5138 (gimplify_bind_expr): Likewise.
5139 (gimplify_var_or_parm_decl): If omp_notice_variable returned
5140 true, disregard DECL_VALUE_EXPR on the decl if any.
5141 (gimplify_expr_in_ctx): New.
5142 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
5143 omp_add_variable, omp_notice_variable, omp_is_private
5144 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
5145 gimplify_adjust_omp_clauses, gimplify_omp_parallel
5146 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
5147 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
5148 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
5149 gimplify_omp_atomic): New.
5150 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5151 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5152 OMP_CRITICAL and OMP_ATOMIC.
5153 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
5154 * c-pragma.h (enum pragma_kind): Add
5155 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
5156 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
5157 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
5158 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
5159 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
5160 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
5161 PRAGMA_OMP_THREADPRIVATE.
5162 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5163 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5164 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
5165 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
5166 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
5167 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
5168 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
5169 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
5170 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
5171 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
5172 * tree-ssa-dce.c (find_control_dependence): Do not assume that
5173 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
5174 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
5176 (struct nesting_info): Add field_map,
5177 suppress_expansion, debug_var_chain.
5178 (create_nesting_tree): Initialize them.
5179 (lookup_field_for_decl): Use field_map.
5180 (get_nonlocal_debug_decl, get_local_debug_decl): New.
5181 (convert_local_omp_clauses): New.
5182 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
5183 (walk_body): Split out of walk_function.
5184 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
5185 (convert_nonlocal_reference): Handle omp statements.
5186 (convert_local_reference): Likewise.
5187 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
5188 (unnest_nesting_tree): New.
5189 (lower_nested_functions): Call it.
5190 (insert_field_into_struct): Make extern.
5191 (struct walk_stmt_info): Move to tree-gimple.h.
5192 (walk_stmts): Make extern.
5193 * omp-builtins.def: New file.
5194 * tree-iterator.c (expr_only): Clarify comment.
5195 * c-common.h (pushdecl_top_level, pushdecl,
5196 build_modify_expr, build_indirect_ref,
5197 c_finish_omp_master, c_finish_omp_critical,
5198 c_finish_omp_ordered, c_finish_omp_barrier,
5199 c_finish_omp_atomic, c_finish_omp_flush,
5200 c_finish_omp_for, c_split_parallel_clauses,
5201 omp_clause_default_kind, c_omp_sharing_predetermined,
5202 c_omp_remap_decl): Declare.
5203 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
5204 (OBJS-common): Add omp-low.o.
5205 (c-omp.o, omp-low.o): Add.
5206 (gimplify.o): Add dependency on $(OPTABS_H).
5207 (GTFILES): Add omp-low.c.
5208 (gt-stringpool.h): Add.
5209 * tree-cfg.c (set_bb_for_stmt): Do not update the
5210 block-to-labels map if we are currently expanding to RTL.
5211 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
5213 Handle IDENTIFIER_NODE.
5214 (tree_verify_flow_info): Do not ICE when emitting error
5215 messages about invalid labels.
5216 (dump_function_to_file): Reset CFUN before emitting the body
5218 (debug_function): New.
5219 * passes.c (init_optimization_passes): Schedule
5221 * langhooks-def.h (lhd_omp_predetermined_sharing,
5222 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
5224 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
5225 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
5226 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
5227 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
5228 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
5229 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
5230 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
5231 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
5232 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
5233 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
5234 (LANG_HOOK_DECLS): Use them.
5236 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
5237 Richard Henderson <rth@redhat.com>
5238 Jakub Jelinek <jakub@redhat.com>
5239 Diego Novillo <dnovillo@redhat.com>
5241 * c-parser.c (pragma_omp_clause): Define.
5242 (c_parser_declaration_or_fndef): Document OpenMP syntax.
5243 (c_parser_compound_statement): Likewise.
5244 (c_parser_statement): Likewise.
5245 (c_parser_pragma): Handle omp pragmas.
5246 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
5247 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
5248 (c_parser_omp_clause_name, check_no_duplicate_clause,
5249 c_parser_omp_variable_list,
5250 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
5251 c_parser_omp_clause_copyprivate,
5252 c_parser_omp_clause_default,
5253 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
5254 c_parser_omp_clause_lastprivate,
5255 c_parser_omp_clause_nowait,
5256 c_parser_omp_clause_num_threads,
5257 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
5258 c_parser_omp_clause_reduction,
5259 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
5260 c_parser_omp_all_clauses, c_parser_omp_structured_block,
5261 c_parser_omp_atomic, c_parser_omp_barrier,
5262 c_parser_omp_critical, c_parser_omp_flush,
5263 c_parser_omp_for_loop, c_parser_omp_for,
5264 c_parser_omp_master, c_parser_omp_ordered,
5265 c_parser_omp_sections_scope, c_parser_omp_sections,
5266 c_parser_omp_parallel, c_parser_omp_single,
5267 c_parser_omp_construct, c_parser_omp_threadprivate): New.
5268 * c-pragma.c (init_pragma): Do omp pragma registration here.
5269 * c.opt (fopenmp): New flag.
5271 2006-01-18 Eric Christopher <echristo@apple.com>
5273 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
5274 * config/darwin.h (GOMP_SELF_SPECS): Define.
5276 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5278 * rtl.h: Remove the prototype for reg_alloc.
5280 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5283 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
5284 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
5285 sjlj and dwarf2 exception handling.
5286 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
5287 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
5288 * pa/pa.c (function_value): Treat complex and vector types as
5290 (function_arg): Likewise. Only pass scalar floats in the floating
5291 point argument registers.
5292 * pa/t-slibgcc-dwarf-ver: New file.
5293 * pa/t-slibgcc-sjlj-ver: New file.
5294 * pa/t-slibgcc-elf-ver: Delete file.
5296 2006-01-19 Alan Modra <amodra@bigpond.net.au>
5298 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
5299 unlikely_test_section_p test.
5301 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5303 * mode-switching.c (optimize_mode_switching): Make it static.
5304 * basic-block.h: Remove the prototype for
5305 optimize_mode_switching.
5307 * modulo-sched.c (sms_schedule): Make it static.
5308 * rtl.h: Remove the prototype for sms_schedule.
5310 * postreload-gcse.c (gcse_after_reload_main): Make it static.
5311 * rtl.h: Remove the prototype for gcse_after_reload_main.
5313 * reg-stack.c (reg_to_stack): Make it static.
5314 * rtl.h: Remove the prototype for reg_to_stack.
5316 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
5318 * rtl.h: Remove the prototypes for regrename_optimize and
5319 copyprop_hardreg_forward.
5321 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
5323 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
5324 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
5325 Test against the appropriate null constant for the mode.
5326 If 'fixup_overlap' is true, swap the operands if they overlap.
5327 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
5328 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
5329 alpha_split_tmode_pair and adjust for above change.
5330 * config/alpha/alpha.md (movtf_internal): Adjust call to
5331 alpha_split_tfmode_pair and rely on it to swap the operands.
5332 (movti_internal): New insn and post-reload splitter.
5333 (movti): New expander.
5335 2006-01-18 Philippe De Muyter <phdm@macqel.be>
5337 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
5340 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5342 * rtlanal.c (global_reg_mentioned_p_1,
5343 global_reg_mentioned_p): Remove.
5344 * rtl.h: Remove the prototype for global_reg_mentioned_p.
5346 * flow.c (initialize_uninitialized_subregs): Make it static.
5347 * rtl.h: Remove the prototype for
5348 initialize_uninitialized_subregs.
5350 * function.c (instantiate_virtual_regs): Make it static.
5351 * function.h: Remove the prototype for
5352 instantiate_virtual_regs.
5354 * regmove.c (regmove_optimize, combine_stack_adjustments):
5356 * rtl.h: Remove the prototypes for regmove_optimize and
5357 combine_stack_adjustments.
5359 2006-01-17 Roger Sayle <roger@eyesopen.com>
5361 * config/i386/i386.c (COSTS_N_BYTES): New macro.
5362 (size_cost): Encode costs in bytes so that a reg-reg addition is
5363 equivalent to COSTS_N_INSNS(1).
5364 (override_options): Use the size_cost.branch_cost as the default
5365 ix86_branch_cost when optimizing for size.
5367 2006-01-18 Ben Elliston <bje@au.ibm.com>
5369 * Makefile.in (D32PBIT_FUNCS): New.
5370 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
5371 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
5372 D64PBIT_FUNCS and D128PBIT_FUNCS.
5373 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
5374 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
5376 (decnumber_dep): Define.
5377 * doc/libgcc.texi (Decimal float library routines): New node.
5378 * config/dfp-bit.h, config/dfp-bit.c: New files.
5380 2006-01-18 Ben Elliston <bje@au.ibm.com>
5382 * expr.c (emit_move_change_mode): Always adjust addresses, not
5383 just during reload. Copy replacements only during reload.
5384 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
5385 emit_move_via_integer.
5387 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
5389 * Makefile.in (check-%, check-consistency): Use $${srcdir}
5390 instead of $(srcdir) and ${srcdir}.
5392 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
5396 * arm.h (struct machine_function): Add pic_reg.
5397 * arm.c (arm_pic_register): Make unsigned.
5398 (arm_override_options): Only set arm_pic_register if
5399 TARGET_SINGLE_PIC_BASE.
5400 (use_return_insn): Only test for a pic register if it is fixed.
5401 (arm_compute_save_reg0_reg12_mask): Likewise.
5402 (thumb_compute_save_reg_mask): Likewise.
5403 (legitimate_pic_operand): Factor out some known invariants.
5404 (legitimize_pic_address): If we don't have a fixed pic register,
5405 then set up a pseudo in the function entry sequence. Handle the
5406 pic base being in a pseudo.
5407 (arm_load_pic_register): Handle the pic register being in a pseudo.
5408 (arm_expand_prologue): Only set up the pic register if it is fixed.
5409 (thumb_expand_prologue): Likewise.
5410 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
5411 (pic_load_addr_based_insn): Likewise.
5412 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
5415 2006-01-18 Ben Elliston <bje@au.ibm.com>
5417 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
5418 decimal float modes for all floating point registers.
5420 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
5421 match_code "mem" with match_test "macho_lo_sum_memory_operand".
5423 2006-01-17 Jakub Jelinek <jakub@redhat.com>
5426 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
5427 even when the pointer is not NULL.
5429 2006-01-16 Ian Lance Taylor <ian@airs.com>
5431 * common.opt (ftoplevel-reorder): New option.
5432 * cgraph.c (cgraph_asm_nodes): New global variable.
5433 (cgraph_asm_last_node): New static variable.
5434 (cgraph_order): New global variable.
5435 (cgraph_create_node): Set new order field.
5436 (cgraph_varpool_node): Likewise.
5437 (decide_is_variable_needed): Return true if not
5438 flag_toplevel_reorder.
5439 (cgraph_add_asm_node): New function.
5440 * cgraph.h (struct cgraph_node): Add order field.
5441 (struct cgraph_varpool_node): Add order field.
5442 (struct cgraph_asm_node): Define.
5443 (cgraph_asm_nodes, cgraph_order): Declare.
5444 (cgraph_add_asm_node): Declare.
5445 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
5447 (cgraph_varpool_assemble_pending_decls): Call it.
5448 (cgraph_output_pending_asms): New static function.
5449 (cgraph_finalize_compilation_unit): Call it.
5450 (struct cgraph_order_sort): Define.
5451 (cgraph_output_in_order): New static function.
5452 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
5453 !flag_toplevel_reorder case.
5454 * c-parser.c: Include "cgraph.h".
5455 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
5457 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
5458 than -fno-unit-at-a-time.
5459 * doc/invoke.texi (Option Summary): Mention
5460 -fno-toplevel-reorder.
5461 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
5462 -funit-at-a-time documentation.
5464 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
5465 Kazu Hirata <kazu@codesourcery.com>
5467 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
5469 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
5471 * Makefile.in (FUNCTION_H): New. Use it instead of
5472 function.h throughout the file.
5473 * function.h: Include tree.h.
5475 2006-01-17 Ben Elliston <bje@au.ibm.com>
5477 * recog.c: Separate some functions with whitespace.
5479 2006-01-16 Richard Henderson <rth@redhat.com>
5481 Merge from gomp branch:
5482 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
5483 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
5484 and rename from struct inline_data. Rename callee* to dst*;
5485 caller* to src*; add copy_decl hook, transform_call_graph_edges,
5486 transform_new_cfg, transform_return_to_modify, and
5487 transform_lang_insert_block flags; remove cloning_p, versioning_p,
5489 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
5490 (copy_decl_for_dup): Remove.
5491 * tree-inline.c (struct inline_data): Move to header.
5492 (insert_decl_map): Export.
5493 (remap_decl): Update for member name changes. Use copy_decl hook.
5494 Allow for replacement to be a non-decl. Remove dead code.
5495 (remap_type_1): Check for existing mapping.
5496 (remap_type): Export.
5497 (remap_decls): Update for member name changes.
5498 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
5499 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
5500 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
5501 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
5502 (tree_function_versioning, build_duplicate_type): Likewise.
5503 (copy_body_r): Likewise. Export.
5504 (copy_decl_for_dup): Split into ...
5505 (copy_decl_for_dup_finish, copy_decl_to_var,
5506 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
5507 (replace_ref_tree, inlining_p): Remove.
5509 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5511 * ifcvt.c (if_convert): Make it static.
5512 * rtl.h: Remove the prototype for if_convert.
5514 * local-alloc.c (local_alloc): Make it static.
5515 * rtl.h: Remove the prototype for local_alloc.
5517 * loop.c (loop_optimize): Make it static.
5518 * cfgloop.h: Remove the prototype for loop_optimize.
5521 2006-01-16 DJ Delorie <dj@redhat.com>
5523 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
5526 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5528 * pa.md: Disparage copies between general and floating-point registers
5529 in 32-bit move patterns.
5531 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
5534 * Makefile.in (check-%): Depend on site.exp instead of
5535 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
5538 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5540 * global.c (global_alloc): Make it static.
5541 * rtl.h: Remove the prototype for global_alloc.
5543 2006-01-16 Richard Guenther <rguenther@suse.de>
5545 * tree-ssa-alias.c (struct used_part): Add write_only field.
5546 (get_or_create_used_part_for): Initialize it to true.
5547 (create_overlap_variables_for): Don't create structure variables
5548 for structures that only are written to.
5549 (find_used_portions): Handle MODIFY_EXPR to track whether a
5550 structure is only written to.
5552 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5554 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
5556 * basic-block.h: Remove the prototype for
5557 partition_hot_cold_basic_blocks.
5559 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
5561 * cppspec.c (lang_specific_spec_functions): Remove.
5562 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
5563 * gcc.h (lang_specific_spec_functions): Remove.
5564 * gccspec.c (lang_specific_spec_functions): Remove.
5566 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
5568 * combine.c (record_value_for_reg): Invalidate registers
5570 (record_dead_and_set_regs_1): Likewise, by passing them to
5571 record_value_for_reg.
5572 (record_dead_and_set_regs): Invalidate stores made by a
5573 call. We do not combine across a call, but we still
5574 relied on equivalences.
5576 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5578 * tree-vrp.c (extract_range_from_binary_expr): Cope with
5579 vrp_int_const_binop returning non-constant nodes.
5581 2006-01-16 Paul Brook <paul@codesourcery.com>
5583 * config/m68k/m68k.c (output_move_const_into_data_reg):
5584 Output correct mnemonic for mvz and mvs.
5586 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
5588 * rtl-factoring.c: Add sequence abstraction algorithm.
5589 * cfgcleanup.c (outgoing_edges_match): Extra checks.
5590 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
5592 (block_has_preserve_label): New function.
5593 * common.opt: Register new pass.
5594 * Makefile.in: Ditto.
5596 * timevar.def: Ditto.
5597 * tree-pass.h: Ditto.
5598 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
5599 * rtl.h (make_jump_insn_raw): Add forward decl.
5600 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
5602 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5603 Roger Sayle <roger@eyesopen.com>
5605 * fold-const.c (fold_minmax): New static function.
5606 (fold_binary) <MIN_EXPR>: Call it.
5607 <MAX_EXPR>: Likewise.
5608 * stor-layout.c (place_field): Use DECL_SIZE consistently
5609 in the computation of the new record size.
5611 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5613 * cse.c (cse_condition_code_reg): Make it static.
5614 * rtl.h: Remove the prototype for cse_condition_code_reg.
5616 * combine.c (combine_instructions): Make it static.
5617 * rtl.h: Remove the prototype for combine_instructions.
5619 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5622 * tree.c (get_file_function_name_long): Concatenate the first global
5623 object name with a string derived from the input filename of the object
5626 2006-01-16 Ben Elliston <bje@au.ibm.com>
5628 * config/i386/winnt-stubs.c: Update FSF address.
5629 * config/xtensa/ieee754-df.S: Ditto.
5630 * config/xtensa/ieee754-sf.S: Ditto.
5632 2006-01-14 Ian Lance Taylor <ian@airs.com>
5634 * ifcvt.c (noce_init_if_info): New static function, broken out of
5635 noce_process_if_block.
5636 (noce_process_if_block): Call noce_init_if_info.
5637 (check_cond_move_block): New static function.
5638 (cond_move_process_if_block): New static function.
5639 (process_if_block): Call cond_move_process_if_block.
5641 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
5643 * cselib.c (hash_table): Rename to cselib_hash_table.
5644 (cselib_clear_table, discard_useless_values,
5645 remove_useless_values, cselib_lookup_mem, cselib_lookup,
5646 cselib_init, cselib_finish): Adjust uses of hash_table.
5648 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
5650 PR tree-optimization/25485
5651 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
5652 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
5653 is known to be false and true, respectively.
5655 2006-01-14 Richard Guenther <rguenther@suse.de>
5657 PR tree-optimization/22548
5658 PR tree-optimization/22555
5659 PR tree-optimization/22501
5660 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
5661 * params.def (salias-max-array-elements): New parameter.
5662 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
5663 * doc/invoke.texi (salias-max-array-elements): Document.
5664 * tree-flow-inline.h (var_can_have_subvars): We also handle
5666 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
5668 * tree-ssa-structalias.c (params.h): Include.
5669 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
5670 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
5671 (get_constraint_for): For ADDR_EXPR operating on something
5672 containing an ARRAY_REF, add all subvars to the solution.
5673 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
5674 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
5675 for creating MUST_DEFs.
5676 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
5678 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
5680 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
5682 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
5683 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5684 number_of_iterations_le): New functions.
5685 (number_of_iterations_special): Removed.
5686 (number_of_iterations_exit): Do not use number_of_iterations_special.
5687 * tree.c (unsigned_type_for): Always return integer type.
5689 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
5690 Richard Guenther <rguenther@suse.de>
5692 PR rtl-optimization/24257
5693 * gcse.c (find_moveable_store): Only consider a store movable
5694 when the SET_SRC of the insn can be assigned to a register.
5696 2006-01-14 Ian Lance Taylor <ian@airs.com>
5698 * tree.c (tree_not_class_check_failed): New function.
5699 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
5700 (tree_not_class_check_failed): Declare.
5702 2006-01-13 Ian Lance Taylor <ian@airs.com>
5704 * reload1.c (do_output_reload): Add assertion rejecting a
5707 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
5709 * combine.c (struct reg_stat): Add new fields truncation_label and
5711 (record_value_for_reg): Reset truncated_to_mode.
5712 (record_truncated_value): New function.
5713 (check_promoted_subreg): Call it. Rename to check_conversions.
5714 (combine_instructions): Rename check_promoted_subreg to
5716 (reg_truncated_to_mode): New function.
5717 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
5718 (gen_lowpart_or_truncate): New function.
5719 (force_to_mode): Use it instead of gen_lowpart.
5721 2006-01-13 Diego Novillo <dnovillo@redhat.com>
5723 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
5724 VAR is a tag, not its type tag.
5726 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
5728 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
5729 alternatives to match style of other entries.
5730 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
5732 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
5734 PR tree-optimization/25771
5735 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
5738 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
5741 * tree-inline.c (declare_return_variable): If the return variable
5742 was marked as a non gimple complex, set the return slot variable
5743 to be a non gimple comple variable.
5745 2006-01-13 Richard Guenther <rguenther@suse.de>
5747 * builtins.c (expand_builtin_sincos): New function.
5748 (expand_builtin_mathfn_3): Remove dead code, sin and cos
5750 (expand_builtin): Expand sincos using expand_builtin_sincos.
5752 2006-01-12 DJ Delorie <dj@redhat.com>
5754 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
5755 shift counts, separate SI shifts for m32c vs m16c, pass shift type
5756 so that constant shifts can be split.
5757 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
5758 (m32c_valid_pointer_mode): Make static.
5759 (shift_gen_func_for): New.
5760 (m32c_prepare_shift): Use it. Split large const shifts into
5762 * config/m32c/predicates.md (shiftcount_operand): Allow more
5764 (longshiftcount_operand): New.
5765 * doc/md.texi (Machine Constraints): Document In6.
5767 2006-01-13 Ben Elliston <bje@au.ibm.com>
5769 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
5770 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
5773 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
5775 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
5776 to try to avoid clobbering pieces of structures when we know
5777 something about the whole structure.
5778 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
5780 2006-01-13 Ben Elliston <bje@au.ibm.com>
5782 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
5783 return in memory, as this is no limitation is no longer present.
5785 2006-01-12 DJ Delorie <dj@redhat.com>
5787 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
5788 mova with fb, and for fb+0 -> An.
5790 * config/m32c/mov.md (peephole2): Fix enabling logic.
5792 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
5793 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
5794 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
5795 FINI_ARRAY_SECTION_ASM_OP): Define.
5797 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
5799 (m32c_legitimize_reload_address): New logic to reload FB to An.
5800 (m32c_output_reg_push): Add newline.
5801 (m32c_output_reg_pop): Likewise.
5803 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
5805 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
5807 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
5809 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
5811 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5813 * config/sh/predicates.md (sh_rep_vec): Add parallel to
5816 2006-01-11 Ben Elliston <bje@au.ibm.com>
5818 * rtlanal.c (find_reg_note): Assert insn is not null.
5820 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
5822 * df-scan.c (df_hard_reg_init): Move declaration of i outside
5825 2006-01-11 Jeff Law <law@redhat.com>
5827 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
5829 (mark_threaded_blocks, register_jump_thread): New functions.
5830 (thread_through_all_blocks): Remove unwanted argument. No
5831 longer rely on e->aux to communicate thread target info.
5832 Call mark_threaded_blocks. Release the threaded_blocks
5833 bitmap and threaded_edges vector when complete.
5834 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
5835 (threaded_blocks): Remove.
5836 (tree_ssa_dominator_optimize): Remove initialization and
5837 finalization of threaded_blocks. Simplify call to
5838 thread_through_all_blocks.
5839 (thread_across_edge): Call register_jump_thread rather than
5840 storing thread information into e->aux.
5841 (free_all_edge_infos): Simplify now that e->aux is no longer
5842 used to communicate with thread_through_all_blocks.
5843 * tree-flow.h (thread_through_all_blocks): Update prototype.
5844 (register_jump_thread): Prototype.
5846 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5848 * df-core.c (df_compact_blocks, df_bb_replace): Use
5849 SET_BASIC_BLOCK instead of BASIC_BLOCK.
5851 2006-01-11 Richard Guenther <rguenther@suse.de>
5853 PR tree-optimization/25734
5854 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
5855 stop propagation after successful propagation to the LHS.
5857 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5859 * basic-block.h (control_flow_graph): Change the type of
5860 x_basic_block_info to VEC(basic_block,gc) *.
5861 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
5863 (SET_BASIC_BLOCK): New.
5864 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
5865 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
5866 * cfgbuild.c (find_basic_blocks): Likewise.
5867 * cfglayout.c (fixup_reorder_chain): Likewise.
5868 * cfgrtl.c (create_basic_block_structure,
5869 rtl_create_basic_block): Likewise.
5870 * ifcvt.c (find_if_case_1): Likewise.
5871 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
5874 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
5876 * Makefile.in: Removed rotted odf.c entry.
5878 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
5881 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
5882 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
5883 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
5884 output pattern modifier, not %e.
5885 * config/cris/cris.c (cris_op_str): Update comment about pattern
5887 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
5888 before falling through into...
5889 <case 'E'>: Redefined from old 'e' case.
5891 2006-01-11 Jan Hubicka <jh@suse.cz>
5894 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
5896 2006-01-11 Jan Hubicka <jh@suse.cz>
5898 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
5899 * i386.c (x86_decompose_lea): Kill.
5900 (ix86_rtx_costs): Kill.
5902 2006-01-11 Jan Hubicka <jh@suse.cz>
5904 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
5905 * cgraph.h (cgraph_node): Add inline_decl.
5906 (cgraph_insert_node_to_hashtable): Declare.
5907 (save_inline_function_body): Declare.
5908 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
5910 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
5911 (cgraph_function_versioning): Update call of tree_function_versioning.
5912 (save_inline_function_body): New function.
5913 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
5914 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
5915 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
5916 (cgraph_default_inline_p): Likewise.
5917 (cgraph_decide_inlining_incrementally): Likewise.
5918 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
5919 (copy_bb): Kill saving; do updating of clones.
5920 (copy_cfg_body): Kill saving.
5921 (initialize_inlined-parameters): Likewise.
5922 (expand_call_inline): Likewise.
5924 (tree_function_versioning): New parameter "update_clones".
5925 (inlining_p): Kill saving.
5926 * tree-inline.h (tree_function_versioning): Update prototype.
5927 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
5930 2006-01-11 Ian Lance Taylor <ian@airs.com>
5932 * combine.c (struct undo): Remove is_int. Enumify types of undos.
5933 Allow undoing set of machine mode.
5934 (do_SUBST): Use enums instead of is_int.
5935 (do_SUBST_MODE): New function.
5936 (SUBST_MODE): New macro.
5937 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
5938 reg and trying to replace reg_regno_rtx with a new register.
5939 (undo_all): Use new enums, handle undoing a PUT_MODE change.
5940 (simplify_set): Use SUBST_MODE.
5941 (distribute_notes): Remove code that tried to update reg notes
5942 for regno_reg_rtx changes.
5944 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
5946 PR tree-optimization/23109
5947 PR tree-optimization/23948
5948 PR tree-optimization/24123
5950 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
5951 * tree-cfg.c (single_noncomplex_succ): New.
5952 * tree-flow.h (single_noncomplex_succ): Declare it.
5953 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
5954 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
5955 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
5956 insert_bb, register_division_in, insert_reciprocals,
5957 replace_reciprocal, free_bb): New.
5958 (execute_cse_reciprocals_1): Rewritten.
5959 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
5960 Do not commit any edge insertion. Always compute dominators and
5961 create the allocation pool.
5962 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
5963 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
5964 * targhooks.c (default_min_divistions_for_recip_mul): New.
5965 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
5966 * passes.c (init_optimization_passes): Run recip after tree loop
5968 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
5970 2006-01-11 Danny Berlin <dberlin@dberlin.org>
5971 Kenneth Zadeck <zadeck@naturalbridge.com>
5973 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
5974 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
5975 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
5976 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
5977 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
5978 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
5979 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
5980 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
5981 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
5982 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
5983 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
5984 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
5985 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
5986 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
5987 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
5988 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
5989 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
5990 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
5991 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
5992 DF_SCAN_POST_ALLOC): New macros.
5993 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
5994 df_free_bb_function, df_local_compute_function, df_init_function,
5995 df_dataflow_function, df_confluence_function_0,
5996 df_confluence_function_n, df_transfer_function,
5997 df_finalizer_function, df_free_function, df_dump_problem_function,
5998 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
5999 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
6000 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
6001 df_urec_bb_info, ) New types.
6002 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
6004 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
6005 df_analyze_simple_change_some_blocks,
6006 df_analyze_simple_change_one_block, df_compact_blocks,
6007 df_bb_replace, df_bb_regno_last_use_find,
6008 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
6009 df_insn_regno_def_p, df_find_def, df_find_use,
6010 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
6011 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
6012 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
6013 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
6014 debug_df_chain, df_get_dependent_problem, df_chain_create,
6015 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
6016 df_grow_bb_info, df_chain_dump, df_print_bb_index,
6017 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
6018 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
6019 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
6020 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
6021 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
6022 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
6023 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
6024 df_ref_remove, df_insn_refs_delete, df_refs_delete,
6025 df_reorganize_refs, df_set_state, df_hard_reg_init,
6026 df_read_modify_subreg_p) New public functions.
6027 * df-core.c: The core dataflow solver and glue routines for rtl
6029 (df_init, df_add_problem, df_set_blocks, df_finish,
6030 df_hybrid_search_forward, df_hybrid_search_backward,
6031 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
6032 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
6033 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
6034 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
6035 df_reg_defined, df_find_use, df_reg_used, df_dump,
6036 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
6037 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
6038 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
6039 debug_df_useno, reset_df_after_reload): New functions.
6040 * df-scan.c: The scanning fuctions, once in df.c, completely
6041 rewritten so that they now fully model the functionality of
6042 register usage at the backend.
6043 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
6044 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
6045 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
6046 df_grow_insn_info, df_rescan_blocks, df_ref_create,
6047 df_get_artificial_defs, df_get_artificial_uses,
6048 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
6049 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
6050 df_refs_delete, df_reorganize_refs, df_set_state,
6051 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
6052 df_def_record_1, df_defs_record, df_uses_record,
6053 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
6054 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
6055 df_record_exit_block_uses, df_hard_reg_init): New functions.
6057 * df-problems.c: Seven concrete dataflow problems that use the
6058 scanning in df-scan.c and are solved by the engine in df-core.c.
6059 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
6060 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
6061 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
6062 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
6063 df_ru_free_bb_info, df_ru_alloc,
6064 df_ru_bb_local_compute_process_def,
6065 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
6066 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
6067 df_ru_transfer_function, df_ru_free, df_ru_dump,
6068 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
6069 df_rd_free_bb_info, df_rd_alloc,
6070 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
6071 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
6072 df_rd_transfer_function, df_rd_free, df_rd_dump,
6073 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
6074 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
6075 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
6076 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
6077 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
6078 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
6079 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
6080 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
6081 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
6082 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
6083 df_urec_mark_reg_change, df_urec_check_earlyclobber,
6084 df_urec_mark_reg_use_for_earlyclobber,
6085 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
6086 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
6087 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
6088 df_urec_dump, df_urec_add_problem, df_chain_alloc,
6089 df_chain_create_bb_process_use, df_chain_create_bb,
6090 df_chain_finalize, df_chain_free, df_chains_dump,
6091 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
6092 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
6093 df_reg_lifetime): New functions.
6094 * df.c: Deleted file.
6095 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
6096 consistent with new df api.
6097 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
6098 rest_of_handle_sms): Ditto.
6099 * web.c (unionfind_union, union_defs, entry_register, web_main):
6101 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
6102 invariant_expr_equal_p, find_defs, check_dependencies,
6103 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
6104 free_inv_motion_data, move_loop_invariants): Ditto.
6105 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
6106 Update dependencies.
6107 (odf.c): Added defective entry that was deleted later in day.
6108 * sched-deps.c (sched_analyze_1): Ditto.
6110 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
6112 * tree-ssa-operands.c (get_expr_operands): Record addressable
6113 variables directly. Do not call add_stmt_operands for CONST_DECLs
6115 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
6116 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
6118 2006-01-11 Ben Elliston <bje@au.ibm.com>
6120 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
6121 function returns true in the positive case.
6123 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6126 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
6127 for SI, DI, SF and DF modes. Add alternatives to copy between
6128 general and floating point registers to the 32-bit patterns.
6129 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
6130 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
6131 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
6132 generating 64-bit code.
6133 * config/pa/pa.c (output_move_double): Handle copies between general
6134 and floating registers.
6136 2006-01-10 Stuart Hastings <stuart@apple.com>
6138 * config/i386/i386.md (set_got): Update.
6139 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
6140 (builtin_setjmp_receiver): Mach-O support.
6141 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
6142 (GOT_SYMBOL_NAME): Define.
6143 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
6144 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
6145 * config/i386/i386.c (override_options): Revise for Darwin.
6146 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
6147 support. (darwin_x86_file_end): New. (output_set_got): Add label
6148 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
6149 * config/i386/i386-protos.h (output_set_got): Likewise.
6150 * config/darwin.c (machopic_legitimize_pic_address): Update
6153 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
6155 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
6156 when MODE isn't BLKmode.
6158 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6160 PR rtl-optimization/25367
6161 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
6163 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
6166 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
6167 for a negative bound.
6169 2006-01-10 Richard Guenther <rguenther@suse.de>
6171 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6172 Never override with anything constraint.
6174 2006-01-10 Jan Beulich <jbeulich@novell.com>
6176 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
6177 256 bits when optimize_size.
6179 2006-01-10 Jan Beulich <jbeulich@novell.com>
6181 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
6183 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
6184 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
6187 2006-01-10 Ben Elliston <bje@au.ibm.com>
6189 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
6191 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
6192 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
6193 (USE_FP_FOR_ARG): Reject decimal float modes.
6194 (function_arg_advance): Likewise.
6195 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
6196 (rs6000_handle_altivec_attribute): Do not permit decimal floating
6197 point types in AltiVec vectors.
6198 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
6199 (rs6000_libcall_value): Likewise.
6201 2006-01-09 Bob Wilson <bob.wilson@acm.org>
6203 * config/xtensa/ieee754-df.S: New file.
6204 * config/xtensa/ieee754-sf.S: New file.
6205 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
6206 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
6207 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
6209 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
6211 * config/sh/predicates.md (binary_float_operator,
6212 binary_logical_operator, commutative_float_operator,
6213 equality_comparison_operator, greater_comparison_operator,
6214 less_comparison_operator, logical_operator,
6215 noncommutative_float_operator, shift_operator,
6216 symbol_ref_operand, unary_float_operator): Remove redundant
6219 2006-01-09 Jeff Law <law@redhat.com>
6221 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
6222 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
6223 now unused arguments. Callers updated.
6224 (eliminate_redundant_computations): Remove now unused arguments,
6226 (local_fold): Remove, no longer used.
6227 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
6229 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
6230 (simplify_cond): New function.
6231 (forward_propagate_into_cond): Call simplify_cond.
6233 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
6235 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
6236 (*vec_extractv2di_1_sse): New.
6238 2006-01-09 Ben Elliston <bje@au.ibm.com>
6240 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
6242 2006-01-08 Richard Guenther <rguenther@suse.de>
6244 * tree-ssa-structalias.c (get_constraint_for): Remove
6246 (get_constraint_for_component_ref): Likewise.
6247 (do_deref): Likewise.
6248 (get_constraint_for): Likewise.
6249 (do_structure_copy): Likewise.
6250 (handle_ptr_arith): Likewise.
6251 (find_func_aliases): Likewise. Remove unused need_anyoffset
6254 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
6255 Kaz Kojima <kkojima@gcc.gnu.org>
6257 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
6258 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
6259 (EXTRA_CONSTRAINT_C16): Remove.
6260 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
6261 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
6262 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
6263 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
6264 constants of SHmedia. Handle nested constant expressions of
6266 (andcosts): Fix the costs for SHmedia constants.
6267 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
6268 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
6269 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
6270 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
6271 (movv4hi_i, movv2si_i): Likewise.
6272 (movsi_const): Adjust the second operand of ior so to match with
6274 (movdi_const, movdi_const_32bit): Likewise.
6275 (movdi_const_16bit+1): Don't sign-extend LOW.
6276 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
6278 (*double_shori): Fix the split condition. Use GEN_INT instead
6279 of get_int_mode calls. Mask lower 16-bit of the argument of
6281 (sym2GOTPLT): Remove.
6282 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
6284 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
6285 instead of EXTRA_CONSTRAINT_C16.
6287 2006-01-07 Ian Lance Taylor <ian@airs.com>
6288 David Edelsohn <edelsohn@gnu.org>
6290 PR rtl-optimization/25662
6291 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
6292 for constant operands instead of simplify_gen_binary.
6293 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
6294 after trying simplify_binary_operation
6296 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
6298 * tree.c (iterative_hash_expr): Hash decls based on UID.
6300 2006-01-06 Eric Christopher <echristo@apple.com>
6302 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
6303 (TARGET_UNWIND_EMIT): Fix spelling.
6304 * target.h (gcc_target): Add except_table_label.
6305 * except.c (output_function_exception_table): Use.
6306 * varasm.c (default_emit_except_table_label): New.
6307 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
6309 (asm_out): Add here.
6310 * output.h (default_emit_except_table_label): Prototype.
6311 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
6312 * config/darwin.c (darwin_emit_except_table_label): Define.
6313 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
6315 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
6317 PR tree-optimization/18527
6318 * tree-ssa-loop-niter.c (number_of_iterations_cond,
6319 number_of_iterations_special, number_of_iterations_exit):
6320 Move base and step of an iv to a single structure. Add
6321 no_overflow flag, and use it in # of iterations analysis.
6322 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
6323 folded_casts argument.
6324 (simple_iv): Pass base and step in a structure. Set no_overflow
6326 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
6327 Evaluate expensiveness of computing # of iterations instead of
6328 the final expression.
6329 * tree-scalar-evolution.h (affine_iv): New structure.
6330 (simple_iv): Declaration changed.
6331 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
6332 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
6333 find_givs_in_stmt): Changed due to simple_iv change.
6335 2006-01-06 Jeff Law <law@redhat.com>
6338 * tree-cfg.c (bsi_replace): Rename final argument from
6339 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
6340 change (stmt -> orig_stmt).
6341 * tree-eh.c (verify_eh_throw_stmt_node): New function.
6342 (bsi_remove): Add new argument. Remove EH information
6344 (verify_eh_throw_table_statements): New function.
6345 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
6347 * tree-optimize.c (execute_free_cfg_annotations): Verify
6348 the EH throw statement table after removing annotations.
6349 * except.h (verify_eh_throw_table_statements): Prototype.
6350 * tree-flow.h (bsi_remove): Update prototype.
6351 * tree-vrp.c (remove_range_assertions): Add new argument to
6353 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
6354 * tree-complex.c (expand_complex_div_wide): Likewise.
6355 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
6356 * tree-tailcall.c (eliminate_tailcall): Likewise.
6357 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
6358 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
6359 * tree-nrv.c (tree_nrv): Likewise.
6360 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
6361 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
6362 (combine_blocks): Likewise.
6363 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
6364 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
6365 (cleanup_control_flow): Likewise.
6366 (remove_forwarder_block): Likewise.
6367 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
6368 * tree-sra.c (sra_replace): Likewise.
6369 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
6370 (forward_propagate_single_use_vars): Likewise.
6371 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
6372 * tree-inline.c (expand_call_inline): Likewise.
6373 * tree-vect-transform.c (vect_transform_loop): Likewise.
6374 * tree-outof-ssa.c (rewrite_trees): Likewise.
6375 * tree-cfg.c (make_goto_expr_edges): Likewise.
6376 (cleanup_dead_labels): Likewise.
6377 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
6378 (bsi_move_before, bsi_move_after): Likewise.
6379 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
6380 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
6382 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
6385 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
6387 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
6388 on non gimple variables. Also add checks at the top for decls and
6390 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
6392 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
6393 and IMAGPART_EXPR for creating MUST_DEFs.
6394 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
6395 and NAME_MEMORY_TAG separately from the DECLs.
6397 2006-01-06 Richard Guenther <rguenther@suse.de>
6399 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
6400 annotation, if necessary.
6401 * tree-ssa-pre.c (create_expression_by_pieces): Remove
6402 redundant calls to update_stmt.
6403 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
6406 2006-01-05 Richard Henderson <rth@redhat.com>
6408 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
6410 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6412 * c-typeck.c: Update copyright date.
6414 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6416 * c-typeck.c (build_c_cast): Always warn when casting
6417 from a pointer to an integer of different size, even if
6418 the node was constant.
6420 2006-01-05 Richard Guenther <rguenther@suse.de>
6422 PR tree-optimization/22555
6423 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
6424 if one structure field is an array.
6425 * tree-ssa-operands.c (get_expr_operands): Continue scanning
6426 operands even if we found a subvar, but ignore VOPs in this
6428 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
6430 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
6432 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
6435 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
6437 2006-01-05 Richard Guenther <rguenther@suse.de>
6438 Diego Novillo <dnovillo@redhat.com>
6440 * tree-pass.h (TODO_remove_unused_locals): Define.
6441 * gimple-low.c (expand_var_p, remove_useless_vars,
6442 pass_remove_useless_vars): Remove. Update all users.
6443 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
6444 (remove_unused_locals): New function.
6445 * tree-flow.h (remove_unused_locals): Declare.
6446 * passes.c (execute_todo): Call remove_unused_locals if
6447 TODO_remove_unused_locals is set.
6448 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
6449 * tree-ssa-dce.c (pass_dce): Likewise.
6450 * tree-outof-ssa.c (pass_del_ssa): Likewise.
6452 2006-01-05 Richard Guenther <rguenther@suse.de>
6454 * tree-flow.h (struct fieldoff): Decompose field to
6455 type, size and decl.
6456 * tree-ssa-alias.c (create_sft): Take type as parameter.
6457 (create_overlap_variables_for): Store type, size and decl
6458 in the fieldoff structure.
6459 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
6461 (push_fields_onto_fieldstack): Likewise.
6462 (create_variable_info_for): Likewise. Use offset for the
6463 SFT name if the decl is not available.
6465 2006-01-04 Paul Brook <paul@codesourcery.com>
6467 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
6469 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
6471 * lambda-code.c (can_put_in_inner_loop): Relax
6473 (can_put_after_inner_loop): New function.
6474 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
6475 (perfect_nestify): Change to make copies and modify uses.
6477 2006-01-04 Richard Henderson <rth@redhat.com>
6479 Merge from gomp branch:
6480 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
6481 via integer constant.
6482 (pragma_lex): Remove.
6483 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
6484 rather than parsing it.
6485 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
6486 handle_pragma_extern_prefix): Add %< %> quotes.
6487 (registered_pragmas): New.
6488 (c_register_pragma_1): New.
6489 (c_register_pragma): Use it.
6490 (c_register_pragma_with_expansion): Likewise.
6491 (c_invoke_pragma_handler): New.
6492 (init_pragma): Use cpp_register_deferred_pragma directly for
6494 * c-pragma.h (enum pragma_kind): New.
6495 (pragma_handler): New.
6496 (c_invoke_pragma_handler): Declare.
6497 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
6499 * c-common.h (c_common_pch_pragma): Update decl.
6500 * Makefile.in (c-parser.o): Update dependencies.
6501 (GTFILES): Add c-pragma.h.
6502 * c-parser.c (struct c_token): Add pragma_kind.
6503 (struct c_parser): Add in_pragma.
6504 (c_lex_one_token): Always initialize keyword and pragma_kind.
6505 Extract data for CPP_PRAGMA.
6506 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
6507 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
6508 Don't allow CPP_PRAGMA_EOL if in_pragma.
6509 (c_parser_consume_pragma): New.
6510 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
6511 (c_parser_skip_to_end_of_parameter): Likewise.
6512 (c_parser_skip_to_end_of_block_or_statement): Likewise.
6513 (c_parser_skip_to_pragma_eol): New.
6514 (c_parser_external_declaration): Handle CPP_PRAGMA.
6515 (c_parser_compound_statement_nostart): Likewise.
6516 (c_parser_statement_after_labels): Likewise.
6517 (c_parser_pragma): New.
6518 (pragma_lex): Likewise.
6519 (c_parser_pragma_pch_preprocess): New.
6520 (c_parser_new): Merge into ...
6521 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
6523 2006-01-04 Jeff Law <law@redhat.com>
6526 * tree-cfg.c (bsi_replace): Remove the original statement
6527 from the EH throw statement table.
6529 2006-01-04 Jakub Jelinek <jakub@redhat.com>
6531 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
6532 make the prototype extern "C" and add throw ().
6535 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
6536 and pos non-negative and pos + len <= 32.
6537 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
6538 drop pos + len < HOST_BITS_PER_WIDE_INT test.
6539 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
6542 * c-common.c (handle_vector_size_attribute): Reject zero vector size
6543 as well as sizes not multiple of component size.
6546 * function.c (instantiate_expr): New function.
6547 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
6548 walk its DECL_VALUE_EXPR with instantiate_expr.
6550 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
6551 DW_OP_deref{,_size} if address isn't going to be added.
6553 2006-01-04 Ben Elliston <bje@au.ibm.com>
6555 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
6556 * config/fp-bit.c: Likewise.
6558 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
6560 * dominance.c: Add comment about why we use DFS numbering
6563 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6564 Richard Henderson <rth@redhat.com>
6566 Merge from gomp-branch:
6567 * varasm.c (assemble_variable): Handle thread-local COMMON data.
6568 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
6570 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
6572 PR rtl-optimization/25578
6573 * combine.c (combine_simplify_rtx, force_to_mode): Don't
6574 pass a parameter to simplify_shift_const if changing ASHIFTRT
6577 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
6579 * builtins.c (get_builtin_sync_mem): New function.
6580 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
6581 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
6582 Call get_builtin_sync_mem to generate mem rtx.
6584 2006-01-03 Richard Guenther <rguenther@suse.de>
6587 * stmt.c (add_case_node): Make sure to clear overflow flags
6590 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6592 Merge from gomp-branch.
6593 * config/sparc/sync.md: New file.
6594 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
6595 UNSPECV_LDSTUB): New constants.
6596 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
6597 * config/sparc/predicates.md (memory_reg_operand): New predicate.
6598 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
6601 2006-01-03 Roger Sayle <roger@eyesopen.com>
6603 * combine.c (reg_subword_p): New predicate to test whether the
6604 destination of a set refers to a subword/piece of a register.
6605 (try_combine): Generalize the code to merge the setting of a
6606 pseudo to a constant followed by a set of a subword of that
6607 register to a constant.
6609 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
6611 * basic-block.h (control_flow_graph): Change the type of
6612 x_label_to_block_map to VEC(basic_block,gc) *.
6613 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
6614 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
6616 * tree-ssa-propagate.c (cfg_blocks): Change the type to
6617 VEC(basic_block,heap) *.
6618 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
6619 ssa_prop_fini): Adjust the uses of cfg_blocks.
6621 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
6623 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
6625 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
6626 hashing trees instead of a pointer hash.
6627 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
6628 compare for MEM_EXPR.
6630 PR rtl-optimization/25130
6631 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
6632 when comparing MEMs for GCSE
6634 2006-01-03 Ben Elliston <bje@au.ibm.com>
6636 * targhooks.h (default_decimal_float_supported_p): Declare.
6637 * targhooks.c (default_decimal_float_supported_p): Define.
6638 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
6639 `default_decimal_float_supported_p'.
6640 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
6642 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
6644 * combine.c (apply_distributive_law <SUBREG>): Check
6645 TRULY_NOOP_TRUNCATION.
6647 2006-01-02 Geoffrey Keating <geoffk@apple.com>
6649 * dwarf2out.c (have_switched_text_section): Delete.
6650 (have_multiple_function_sections): New.
6651 (have_location_lists): Make 'bool'.
6652 (add_AT_loc_list): Use 'true' not '1'.
6653 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
6654 (output_loc_list): Use have_multiple_function_sections.
6655 (output_ranges): Likewise.
6656 (dwarf2out_begin_function): Set have_multiple_function_sections if
6658 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
6659 Check function_section rather than DECL_SECTION_NAME.
6660 (dwarf2out_finish): Use have_multiple_function_sections.
6661 Don't clear have_location_lists.
6663 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
6664 Jan Hubicka <jh@suse.cz>
6666 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
6667 case of conditional jump jumping to the next instruction.
6668 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
6669 cases of conditional jump jumping to the next instruction.
6671 2006-01-02 Jan Hubicka <jh@suse.cz>
6673 * i386.c (*_cost): Add COSTS_N_INSNS.
6674 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
6676 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
6679 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
6681 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6683 * config/arm/arm.c (all_fpus): Fix comment typo.
6684 * config/darwin.c: Likewise.
6685 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
6686 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
6687 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
6689 2006-01-01 David Edelsohn <edelsohn@gnu.org>
6691 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
6692 (rs6000_split_compare_and_swapqhi): New.
6693 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
6694 (sync_compare_and_swapqhi_internal): New.
6695 * config/rs6000/rs6000-protos.h: Declare.