1 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3 * tree.c (add_var_to_bind_expr): Remove.
4 * tree.h: Remove the prototype for add_var_to_bind_expr.
6 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8 * regclass.c (n_non_fixed_regs): Remove.
9 (init_reg_sets_1, globalize_reg): Remove all uses of
11 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
13 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15 * rtlanal.c (insns_safe_to_move_p): Remove.
16 * rtl.h: Remove the prototype for insns_safe_to_move_p.
18 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
20 * expmed.c (expand_mult_add): Remove.
21 * expr.h: Remove the prototype for expand_mult_add.
23 2006-03-04 Jakub Jelinek <jakub@redhat.com>
25 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
26 and REG_SAVED_VAL_EXP constants.
27 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
28 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
29 Handle regs stored by value.
30 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
31 (execute_cfa_program): Handle DW_CFA_val_offset,
32 DW_CFA_val_offset_sf and DW_CFA_val_expression.
33 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
34 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
35 (uw_install_context_1): Handle target regs stored by value.
37 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
39 * tree-sra.c (tree_sra): Return todoflags;
40 (generate_one_element): Set TODO_update_smt_usage if needed.
41 (pass_sra): Remove TODO_update_smt_usage.
42 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
44 (tree_ssa_forward_propagate_single_use_vars): Return
45 TODO_update_smt_usage if we need to update SMT usage.
46 (pass_forwprop): Remove TODO_update_smt_usage.
48 2006-03-03 Diego Novillo <dnovillo@redhat.com>
50 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
51 (correct_use_link): Remove reference to get_stmt_operands.
52 (update_stmt_operands): Likewise.
53 (get_modify_expr_operands): New function factored out of
54 parse_ssa_operands and get_expr_operands.
55 Try to create V_MUST_DEFs for LHS by default.
56 (get_expr_operands) <case MODIFY_EXPR>: Call
57 get_modify_expr_operands.
58 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
59 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
60 (parse_ssa_operands) <case MODIFY_EXPR>: Call
61 get_modify_expr_operands.
63 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
65 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
66 * tree-flow.h: Remove the prototype for
67 referenced_var_lookup_if_exists.
69 2006-03-03 Steve Ellcey <sje@cup.hp.com>
71 PR rtl-optimization/26345
73 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
75 2006-03-03 Roger Sayle <roger@eyesopen.com>
77 PR tree-optimization/26524
78 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
79 fold_convert to create a constant of the appropriate type.
81 2006-03-03 Richard Sandiford <richard@codesourcery.com>
83 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
84 SYMBOL_REF_IN_BLOCK_P.
85 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
86 of SYMBOL_FLAG_IN_BLOCK.
87 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
88 instead of SYMBOL_REF_IN_BLOCK_P.
89 * explow.c (use_anchored_address): Likewise.
90 * rtl.c (rtx_size): Likewise.
91 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
92 instead of SYMBOL_FLAG_IN_BLOCK.
93 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
94 SYMBOL_REF_IN_BLOCK_P.
95 (assemble_variable): Likewise.
96 (output_constant_def_contents): Likewise.
97 (output_constant_pool): Likewise.
98 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
99 instead of SYMBOL_FLAG_IN_BLOCK.
100 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
101 SYMBOL_REF_IN_BLOCK_P.
102 (SYMBOL_REF_BLOCK): Likewise.
103 (SYMBOL_REF_OFFSET): Likewise.
104 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
105 SYMBOL_REF_IN_BLOCK_P.
106 (SYMBOL_FLAG_IN_BLOCK): Replace with...
107 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
108 (SYMBOL_REF_IN_BLOCK_P): Replace with...
109 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
111 2006-03-03 Jakub Jelinek <jakub@redhat.com>
113 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
115 2006-03-02 Roger Sayle <roger@eyesopen.com>
117 * simplify-rtx.c (simplify_unary_operation): When simplifying
118 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
119 that we perform the right shift in the appropriate mode, and
120 then extend or truncate the result to requested mode.
122 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
124 * gengtype.c (main): Handle double_int type.
125 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
126 * double-int.c: New file.
127 * double-int.h: New file.
128 * system.h: Include doubleint.h.
129 * Makefile.in (SYSTEM_H): Include double-int.h.
132 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
135 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
138 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
140 * tree-vrp.c (remove_range_assertions): Do not update statements
143 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
145 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
147 * gcse.c (rest_of_handle_gcse): Ditto.
148 * except.c (gate_handle_eh): Ditto.
149 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
150 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
152 2006-03-02 Eric Christopher <echristo@apple.com>
154 * config/i386/i386.c (machopic_output_stub): Add indirection to
157 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
161 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
163 Sun Niagara specific optimizations.
164 * config.gcc: Recognize niagara as target.
165 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
166 (TARGET_CPU_niagara): Define.
167 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
168 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
169 (CPP_CPU_SPEC): Handle -mcpu=niagara.
170 (ASM_CPU_SPEC): Likewise.
171 (PROCESSOR_NIAGARA): New enum entry.
172 (REGISTER_MOVE_COST): Handle Niagara.
173 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
174 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
175 (sparc_override_options): Recognize "niagara", set appropriate
176 default MASK_* values for it, and align functions to 32-bytes
177 by default just like ULTRASPARC/ULTRASPARC3.
178 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
179 (sparc64_initialize_trampoline): Likewise.
180 (sparc_use_sched_lookahead): Use zero for niagara.
181 (sparc_issue_rate): Use one for niagara.
182 * config/sparc/niagara.md: New file.
183 * config/sparc/sparc.md: Include it.
184 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
185 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
186 when default cpu is niagara.
187 (CPP_CPU_SPEC): Handle -mcpu=niagara.
188 (ASM_CPU_SPEC): Likewise.
189 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
190 when default cpu is niagara.
191 (ASM_CPU_SPEC): Handle -mcpu=niagara.
192 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
193 just like v9/ultrasparc/ultrasparc3.
194 * doc/invoke.texi: Add documentation for "niagara" and improve
195 existing documentation for ultrasparc variants.
197 2006-03-02 Diego Novillo <dnovillo@redhat.com>
199 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
201 2006-03-02 Richard Sandiford <richard@codesourcery.com>
203 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
204 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
205 and say that only one is needed.
206 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
207 * target.h (have_switchable_bss_sections): New hook.
208 * explow.c (use_anchored_address): Check that the symbol is in a block.
209 * varasm.c (tls_comm_section, comm_section, lcomm_section)
210 (bss_noswitch_section): New variables.
211 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
212 (get_noswitch_section): New function.
213 (get_block_for_section): Allow SECT to be null.
214 (unlikely_text_section_p): Use SECTION_STYLE.
215 (bss_initializer_p): New function.
216 (get_variable_section): Move earlier in file. Take a new argument,
217 prefer_noswitch_p. Move bss checks from assemble_variable to here.
218 Return one of the new *_sections in such cases.
219 (get_block_for_decl): New function, extracting some logic from
220 use_blocks_for_decl_p.
221 (change_symbol_section): Remove in favor of...
222 (change_symbol_block): ...this new function.
223 (use_blocks_for_decl_p): Remove checks now performed by
225 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
226 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
227 (emit_local, emit_bss, emit_common): ...these new functions.
228 Return true if the alignment was honored.
229 (emit_tls_common): New function.
230 (asm_emit_uninitialised): Delete.
231 (assemble_variable_noswitch): New function, split out from...
232 (assemble_variable): ...here. Don't make decisions about common
233 variables here. Globalize all public decls that go into non-common
234 sections. Check whether SYMBOL_REF_BLOCK is null.
235 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
236 (output_constant_pool): Likewise.
237 (init_varasm_once): Initialize the new section variables.
238 (have_global_bss_p): New function.
239 (categorize_decl_for_section): Use bss_initializer_p.
240 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
241 (place_block_symbol): Assert that the symbol must be in a block.
242 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
243 (TARGET_INITIALIZER): Include it.
244 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
245 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
246 (SECTION_MACH_DEP): Bump by two.
247 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
248 (unnamed_section): Mention SECTION_UNNAMED in comment.
249 (named_section): Likewise SECTION_NAMED.
250 (noswitch_section_callback): New type.
251 (noswitch_section): New structure.
252 (section): Add a noswitch_section alternative.
253 (SECTION_STYLE): New macro.
254 (tls_comm_section, comm_section, lcomm_section): Declare.
255 (bss_noswitch_section, have_global_bss_p): Declare.
256 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
257 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
259 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
260 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
263 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
265 * gcc/tree-vrp.c (execute_vrp): Return value.
266 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
267 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
268 * gcc/tree-complex.c (tree_lower_complex): Ditto.
269 (tree_lower_complex_O0): Ditto.
270 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
271 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
272 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
273 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
274 (execute_tail_calls): Ditto.
275 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
276 * gcc/tree.h (init_function_for_compilation): Ditto.
277 * gcc/ipa-cp.c (ipcp_driver): Ditto.
278 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
279 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
280 * gcc/final.c (compute_alignments): Ditto.
281 (rest_of_handle_final): Ditto.
282 (rest_of_handle_shorten_branches): Ditto.
283 (rest_of_clean_state): Ditto.
284 * gcc/omp-low.c (execute_expand_omp): Ditto.
285 (execute_lower_omp): Ditto.
286 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
287 * gcc/ipa-reference.c (static_execute): Ditto.
288 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
289 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
290 (rest_of_handle_machine_reorg): Ditto.
291 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
292 * gcc/flow.c (recompute_reg_usage): Ditto.
293 (rest_of_handle_remove_death_notes): Ditto.
294 (rest_of_handle_life): Ditto.
295 (rest_of_handle_flow2): Ditto.
296 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
297 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
298 (do_ssa_store_ccp): Ditto.
299 (execute_fold_all_builtins): Ditto.
300 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
301 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
302 * gcc/ipa-pure-const.c (static_execute): Ditto.
303 * gcc/cse.c (rest_of_handle_cse): Ditto.
304 (rest_of_handle_cse2): Ditto.
305 * gcc/web.c (rest_of_handle_web): Ditto.
306 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
307 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
308 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
309 * gcc/tree-nrv.c (tree_nrv): Ditto.
310 (execute_return_slot_opt): Ditto.
311 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
312 (create_structure_vars): Ditto.
313 * gcc/loop-init.c (rtl_loop_init): Ditto.
314 (rtl_loop_done): Ditto.
315 (rtl_move_loop_invariants): Ditto.
316 (rtl_unswitch): Ditto.
317 (rtl_unroll_and_peel_loops): Ditto.
319 * gcc/gimple-low.c (lower_function_body): Ditto.
320 (mark_used_blocks): Ditto.
321 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
322 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
323 (cgraph_early_inlining): Ditto.
324 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
325 * gcc/jump.c (cleanup_barriers): Ditto.
326 (purge_line_number_notes): Ditto.
327 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
328 (rest_of_handle_if_after_reload): Ditto.
329 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
330 (tree_ssa_loop_im): Ditto.
331 (tree_ssa_loop_unswitch): Ditto.
332 (tree_vectorize): Ditto.
333 (tree_linear_transform): Ditto.
334 (tree_ssa_loop_ivcanon): Ditto.
335 (tree_ssa_empty_loop): Ditto.
336 (tree_ssa_loop_bounds): Ditto.
337 (tree_complete_unroll): Ditto.
338 (tree_ssa_loop_prefetch): Ditto.
339 (tree_ssa_loop_ivopts): Ditto.
340 (tree_ssa_loop_done): Ditto.
341 * gcc/predict.c (tree_estimate_probability): Ditto.
342 * gcc/recog.c (split_all_insns_noflow): Ditto.
343 (rest_of_handle_peephole2): Ditto.
344 (rest_of_handle_split_all_insns): Ditto.
345 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
346 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
347 (rest_of_handle_stack_adjustments): Ditto.
348 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
349 * gcc/function.c (instantiate_virtual_regs): Ditto.
350 (init_function_for_compilation): Ditto.
351 (rest_of_handle_check_leaf_regs): Ditto.
352 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
353 (rest_of_handle_gcse): Ditto.
354 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
355 * gcc/alias.c (rest_of_handle_cfg): Ditto.
356 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
357 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
358 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
359 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
360 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
361 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
362 * gcc/except.c (set_nothrow_function_flags): Ditto.
363 (convert_to_eh_region_ranges): Ditto.
364 (rest_of_handle_eh): Ditto.
365 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
366 (remove_unnecessary_notes): Ditto.
367 * gcc/except.h (set_nothrow_function_flags): Ditto.
368 (convert_to_eh_region_ranges): Ditto.
369 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
370 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
371 * gcc/tree-ssa-pre.c (do_pre): Ditto.
372 (execute_fre): Ditto.
373 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
374 (rest_of_handle_jump2): Ditto.
375 * gcc/tree-sra.c (tree_sra): Ditto.
376 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
377 (execute_mudflap_function_decls): Ditto.
378 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
379 (do_store_copy_prop): Ditto.
380 * gcc/ipa-prop.h (ipcp_driver): Ditto.
381 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
382 * gcc/tree-ssa-forwprop.c
383 (tree_ssa_forward_propagate_single_use_vars): Ditto.
384 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
385 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
386 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
387 (execute_late_warn_uninitialized): Ditto.
388 * gcc/rtl.h (cleanup_barriers): Ditto.
389 (split_all_insns_noflow): Ditto.
390 (purge_line_number_notes): Ditto.
391 (unshare_all_rtl): Ditto.
392 (remove_unnecessary_notes): Ditto.
393 (recompute_reg_usage): Ditto.
394 (variable_tracking_main): Ditto.
395 * gcc/integrate.c (emit_initial_value_sets): Ditto.
396 * gcc/integrate.h (emit_initial_value_sets): Ditto.
397 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
398 (execute_free_cfg_annotations): Ditto.
399 (execute_fixup_cfg): Ditto.
400 (execute_cleanup_cfg_pre_ipa): Ditto.
401 (execute_cleanup_cfg_post_optimizing): Ditto.
402 (execute_init_datastructures): Ditto.
403 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
404 * gcc/combine.c (rest_of_handle_combine): Ditto.
405 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
406 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
407 (rest_of_handle_reorder_blocks): Ditto.
408 (rest_of_handle_partition_blocks): Ditto.
409 * gcc/var-tracking.c (variable_tracking_main): Ditto.
410 * gcc/tree-profile.c (tree_profiling): Ditto.
411 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
412 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
413 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
414 (rest_of_handle_sched2): Ditto.
415 * gcc/basic-block.h (free_bb_insn): Ditto.
416 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
417 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
418 (remove_useless_stmts): Ditto.
419 (split_critical_edges): Ditto.
420 (execute_warn_function_return): Ditto.
421 (execute_warn_function_noreturn): Ditto.
422 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
423 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
424 * gcc/passes.c (execute_one_pass): Run additional
425 todos returned by execute function.
426 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
429 2006-03-02 Richard Guenther <rguenther@suse.de>
431 * tree-ssa-alias.c (find_used_portions): Consider taking
432 the address as making the variable not write-only.
434 2006-03-02 Nick Clifton <nickc@redhat.com>
436 * config.gcc (default_use_cxa_atexit): Extend the description of
437 this configure variable. Set its default value to "yes" for
438 Linux, NetBSD and ELF targets on the assumption that they will
439 use C libraries with the __cxa_atexit function.
441 2006-03-02 Ben Elliston <bje@au.ibm.com>
443 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
444 parameter as unused to suppress a build warning.
446 2006-03-02 Ben Elliston <bje@au.ibm.com>
448 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
451 2006-03-01 Roger Sayle <roger@eyesopen.com>
454 * gthr-posix.h (__gthrw2): Define to take three parameters, the
455 declared name, the weak reference name, and the typeof name.
456 (__gthrw): Avoid expanding the declared name suffix.
457 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
459 2006-03-01 Jakub Jelinek <jakub@redhat.com>
461 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
463 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
464 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
465 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
466 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
467 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
468 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
469 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
470 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
471 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
472 DW_DS_leading_separate, DW_DS_trailing_separate): New.
473 (DW_END_default, DW_END_big, DW_END_little): New.
474 (DW_END_lo_user, DW_END_hi_user): Define.
475 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
476 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
477 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
480 2006-03-01 Diego Novillo <dnovillo@redhat.com>
482 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
484 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
486 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
488 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
490 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
493 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
496 2006-03-01 Roger Sayle <roger@eyesopen.com>
498 * builtins.c (fold_builtin_copysign): Delete unreachable code.
500 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
503 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
504 MACHO_DYNAMIC_NO_PIC_P.
505 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
507 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
510 * config/darwin-protos.h (darwin_asm_output_anchor):
512 * config/darwin-sections.def (cstring_section):
513 Add SECTION_MERGE to the flags.
514 (literal4_section): Likewise.
515 (literal8_section): Likewise.
516 (objc_selector_refs_section): Likewise.
517 (objc_cls_refs_section): Likewise.
518 * config/darwin.c (darwin_asm_output_anchor): New
520 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
522 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
524 Fix PR tree-optimization/26443
525 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
526 to todo and PROP_tmt_usage to properties_destroyed.
527 * tree-ssa-ccp.c (pass_ccp): Ditto.
528 (pass_store_ccp): Ditto.
529 * tree-ssa-dom.c (pass_dominator): Ditto.
531 2006-03-01 Diego Novillo <dnovillo@redhat.com>
533 * tree-ssa-operands.c: Cleanup whitespace.
534 (get_asm_expr_operands): Move before first invocation.
535 (get_indirect_ref_operands): Likewise.
536 (get_tmr_operands): Likewise.
537 (get_call_expr_operands): Likewise.
538 (append_def): Likewise.
539 (append_use): Likewise.
540 (append_v_may_def): Likewise.
541 (append_v_must_def): Likewise.
542 (add_call_clobber_ops): Likewise.
543 (add_call_read_ops): Likewise.
544 (add_stmt_operand): Likewise.
545 (add_virtual_operand): Likewise.
546 (build_ssa_operands): Likewise.
548 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
553 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
554 with a call expr to ...
555 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
557 2006-03-01 Diego Novillo <dnovillo@redhat.com>
559 * tree-vrp.c (extract_range_from_assert): Remove special
560 handling for types with super-types.
562 2006-03-01 Ben Elliston <bje@au.ibm.com>
564 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
565 and powerpc64-*-linux* configurations.
566 * config/t-dfprules: New file.
568 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
569 Compile dfp-bit.c from the source directory using -DWIDTH and
570 $DFP_CFLAGS to control the compilation of that file, rather than
571 generating width-specific versions in the build directory.
572 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
573 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
575 2006-02-28 Zack Weinberg <zackw@panix.com>
577 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
580 2006-02-28 Eric Christopher <echristo@apple.com>
582 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
583 Set up IN_LIBGCC definition of TARGET_64BIT.
584 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
586 2006-02-28 Roger Sayle <roger@eyesopen.com>
589 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
590 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
591 cases via the construction of "expr != 0".
593 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
595 * alias.c (alias_invariant, alias_invariant_size): Remove.
596 (record_base_value): Remove.
597 (memrefs_conflict_p): Don't look at alias_invariant.
598 (end_alias_analysis): Don't free it.
599 * alias.h (record_base_value): Remove prototype.
601 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
602 Adam Nemet <anemet@caviumnetworks.com>
604 * rtl.h (truncated_to_mode): Declare it.
605 (struct rtl_hooks): Add reg_truncated_to_mode hook.
606 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
607 (RTL_HOOKS_INITIALIZER): Include it.
608 * rtlhooks.c (reg_truncated_to_mode_general): New function.
609 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
610 reg_truncated_to_mode.
611 * rtlanal.c (truncated_to_mode): Define it.
612 * simplify-rtx.c (simplify_unary_operation_1): Use it.
614 2006-02-28 Jeff Law <law@redhat.com>
616 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
617 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
618 the range allowed by TYPE_PRECISION.
620 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
622 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
624 PR tree-optimization/26419
625 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
628 2006-02-27 Zack Weinberg <zackw@panix.com>
630 * doc/md.texi: Fix typo in previous change.
632 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
636 2006-02-27 Zack Weinberg <zackw@panix.com>
638 * rtl.def (define_constraint, define_register_constraint)
639 (define_memory_constraint, define_address_constraint): New MD forms.
640 * gensupport.c (process_rtx): Put define_constraint etc on the
642 * genpreds.c (process_define_predicate): Adjust comment. Validate
643 the name, and call validate_exp to validate the expression.
644 (mark_mode_tests, write_extract_subexp): Can assume correct input.
645 (write_predicate_expr): Likewise. NAME argument no longer necessary;
647 (validate_exp, needs_variable, struct constraint_data)
648 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
649 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
650 (const_dbl_constraints, constraint_max_namelen)
651 (have_register_constraints, have_memory_constraints)
652 (have_address_constraints, have_address_constraints)
653 (have_extra_constraints, have_const_int_constraints)
654 (have_const_dbl_constraints, mangle, add_constraint)
655 (process_define_constraint, process_define_register_constraint)
656 (write_enum_constraint_num, write_lookup_constraint)
657 (write_insn_constraint_len, write_regclass_for_constraint)
658 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
659 (write_insn_extra_memory_constraint)
660 (write_insn_extra_address_constraint)
661 (write_satisfies_constraint_fns): New.
662 (write_tm_preds_h): If we have new-style constraint definitions,
663 prototype the functions generated from them, and define the
664 old constraint interface (still used by generic code) in terms of
666 (write_insn_preds_c): If we have new-style constraint definitions,
667 generate all relevant functions from those definitions.
668 (main): Handle define_constraint etc.
669 * genoutput.c (struct constraint_data, indep_constraints)
670 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
671 (mdep_constraint_len): New data structures and functions, defined
672 #ifdef USE_MD_CONSTRAINTS.
673 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
674 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
675 use new logic to validate operand constraints against constraint
677 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
679 * defaults.h: If none of the old-style constraint macros are
680 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
681 old-style macros; and poison REG_CLASS_FROM_LETTER,
682 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
684 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
685 * doc/md.texi: Document new constraint-definition mechanism and the
686 C interface it provides. Remove references to old mechanism
687 elsewhere in the document.
688 (Machine Constraints): Use pathnames relative to gcc directory,
689 i.e. config/ARCH/FILE. Change i386 section to refer to
690 config/i386/predicates.md; update that section to match docstrings.
691 * doc/tm.texi: Move all documentation of the old constraint-
692 definition macros to their own section, clearly mark as obsolete.
694 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
695 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
697 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
698 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
699 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
701 (splits and peepholes): Use satisfies_constraint_*.
702 * config/i386/i386.c (memory_address_length)
703 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
705 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
707 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
708 scalar operation to be put back into the loop.
710 2006-02-27 Jakub Jelinek <jakub@redhat.com>
713 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
714 (extract_cie_info): Handle S flag in augmentation string.
715 (execute_cfa_program): If context->signal_frame, execute also
716 fs->pc == context->ra instructions.
717 (uw_frame_state_for): If context->signal_frame, don't subtract one
718 from context->ra to find FDE.
719 (uw_update_context_1): Set context->signal_frame to
721 (_Unwind_GetIPInfo): New function.
722 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
723 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
725 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
726 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
727 * unwind-compat.c (_Unwind_GetIPInfo): New function.
728 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
729 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
730 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
731 * config/i386/linux-unwind.h (x86_fallback_frame_state,
732 x86_64_fallback_frame_state): Set fs->signal_frame.
733 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
734 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
735 (frob_update_context): Likewise. Workaround missing S flag in
736 Linux 2.6.12 - 2.6.16 kernel vDSOs.
737 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
738 Remove the psw_addr + 1 hack.
740 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
742 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
743 with aggregates here.
744 (find_func_aliases): Remove code for &<aggregate> from here.
746 2006-02-26 Roger Sayle <roger@eyesopen.com>
748 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
749 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
750 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
753 2006-02-26 Roger Sayle <roger@eyesopen.com>
756 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
758 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
760 * opts.c (decode_options): Do not handle flag_strength_reduce.
761 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
762 and OPT_fstrength_reduce.
763 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
764 flag_prefetch_loop_arrays for being nonzero.
765 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
767 (fprefetch-loop-arrays-rtl): Removed.
768 (flag_prefetch_loop_arrays): Do not specify the value.
770 * doc/passes.texi: Update documentation of loop optimizer
772 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
773 -frerun-loop-opt): Remove.
775 2006-02-26 Richard Guenther <rguenther@suse.de>
777 PR tree-optimization/26421
778 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
779 in function calls that are ADDR_EXPRs as using the whole structure.
781 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
783 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
784 * tree-pass.h (pass_loop_optimize): Remove.
785 * passes.c (pass_loop_optimize): Never run it.
786 * toplev.c (backend_init): Don't call init_loop.
787 * opts.c (flag_loop_optimize_set): Remove.
788 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
789 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
790 the old RTL loop optimizer when profiling enabled.
791 * predict.c (tree_estimate_probability): Always strip builtin_expect.
792 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
793 pre-headers for the sake of the old RTL loop optimizer.
794 * Makefile.in: Remove all references to loop.o.
796 * doc/invoke.texi: Remove all references to -floop-optimize
797 and -frerun-loop-opt.
799 2006-02-26 Zack Weinberg <zackw@panix.com>
801 * doc/md.texi (Machine Constraints): Refer to all files with paths
802 relative to gcc directory (i.e. config/CPU/file). Add missing
803 @table @code ... @end table to M32C subsection.
805 2006-02-26 Roger Sayle <roger@eyesopen.com>
807 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
809 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
811 2006-02-26 Roger Sayle <roger@eyesopen.com>
812 James A. Morrison <phython@gcc.gnu.org>
815 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
816 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
817 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
818 signedness of the shift operation.
820 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
822 PR tree-optimization/26359
823 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
825 2006-02-25 Roger Sayle <roger@eyesopen.com>
827 * simplify-rtx.c (simplify_relational_operation_1): Simplify
828 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
829 as X == 0, and some symmetry related transformations.
830 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
832 2006-02-25 Roger Sayle <roger@eyesopen.com>
835 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
836 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
837 symmetry related transformations. Fold (X^C1) == C2 as
840 2006-02-25 Juergen Weigert <jw@suse.de>
841 Richard Guenther <rguenther@suse.de>
843 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
845 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
847 * combine.c (gen_lowpart_or_truncate): Call
848 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
850 2006-02-24 Diego Novillo <dnovillo@redhat.com>
852 * doc/invoke.texi: Move -fopenmp description to "Options for
854 Remove reference to -lgomp.
856 2006-02-24 David Edelsohn <edelsohn@gnu.org>
858 * doc/install.texi: Require GNU tar version 1.14.
860 2006-02-24 Geoffrey Keating <geoffk@apple.com>
862 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
863 * doc/invoke.texi (C++ Dialect Options): Document
864 -fno-use-cxa-get-exception-ptr.
865 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
866 * configure: Regenerate.
867 * c.opt (fuse-cxa-get-exception-ptr): New.
868 * c-opts.c (c_common_handle_option): Handle
869 OPT_fuse_cxa_get_exception_ptr.
870 * c-common.c (flag_use_cxa_atexit): Update documentation.
871 (flag_use_cxa_get_exception_ptr): New.
872 * c-common.h (flag_use_cxa_get_exception_ptr): New.
873 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
875 (C_COMMON_OVERRIDE_OPTIONS): New.
877 2006-02-24 Roger Sayle <roger@eyesopen.com>
880 * combine.c (try_combine): Explicitly check whether GET_CODE is
881 a SET or a CLOBBER, instead on checking that it isn't a USE.
883 2006-02-24 Roger Sayle <roger@eyesopen.com>
885 * fold-const.c (fold_comparison): New subroutine of fold_binary
886 containing transformations common to both the equality and
887 ordering relational operators, factored out of fold_binary.
888 (fold_binary): Separate out the equality operators (EQ_EXPR
889 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
890 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
891 transformations common to both.
892 (fold_div_compare): Fix latent bugs in the previously unreachable
893 LT_EXPR and GE_EXPR cases.
895 2006-02-24 David Edelsohn <edelsohn@gnu.org>
897 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
898 decl libname for clog to __clog on AIX.
900 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
902 2006-02-24 Alan Modra <amodra@bigpond.net.au>
905 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
906 output traceback table for thunks. Localise rs6000_stack_info call.
908 2006-02-23 Roger Sayle <roger@eyesopen.com>
909 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
911 * gthr-posix.h (__gthrw): Fix typo in comment.
913 2006-02-23 Geoffrey Keating <geoffk@apple.com>
915 * doc/cpp.texi (Character sets): Document that we do support
916 input files to be in any character set.
918 2006-02-23 Jeff Law <law@redhat.com>
920 * tree.h (PHI_ARG_NONZERO): Remove.
921 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
922 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
923 node to the new node.
925 PR tree-optimization/26425
926 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
927 min/max, then assume its varying.
929 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
931 PR rtl-optimization/26316
932 * rtlanal.c (enum may_trap_p_flags): New.
933 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
934 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
935 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
936 (may_trap_after_code_motion_p): New function.
937 * loop-invariant.c (find_identical_invariants): Fix dump formating.
938 (find_invariant_insn): Use may_trap_after_code_motion_p.
939 * rtl.h (may_trap_after_code_motion_p): Declare.
941 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
943 * emit-rtl.c (immed_double_const): Cleanup.
945 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
947 Fix PR tree-optimization/26376
948 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
951 2006-02-23 Jakub Jelinek <jakub@redhat.com>
954 * gimplify.c (omp_add_variable): Guard variable size decl test with
955 DECL_SIZE (decl) check.
957 2006-02-23 Richard Guenther <rguenther@suse.de>
960 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
961 like aggregate types.
963 2006-02-23 Jakub Jelinek <jakub@redhat.com>
965 * configure.ac: Add --with{,out}-long-double-128 configure option.
966 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
967 * configure: Rebuilt.
968 * config.in: Rebuilt.
969 * doc/install.texi (Options specification): Document
970 --with-long-double-128.
972 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
973 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
974 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
975 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
977 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
979 * config/s390/s390.c (override_options): Handle
980 TARGET_DEFAULT_LONG_DOUBLE_128.
982 * config/alpha/alpha.c (override_options): Handle
983 TARGET_DEFAULT_LONG_DOUBLE_128.
985 * config/sparc/sparc.c (sparc_override_options): Handle
986 TARGET_DEFAULT_LONG_DOUBLE_128.
988 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
990 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
991 (real-install-headers-tar, real-install-headers-cpio)
992 (real-install-headers-cp): New targets.
994 2006-02-22 Richard Sandiford <richard@codesourcery.com>
996 * tree.h (variable_section): Delete.
997 * varasm.c (variable_section): Delete.
999 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
1001 * install.texi: Add notes on install.texi2html.
1002 (Building in parallel): Do not use footnotes.
1004 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
1007 * doc/install.texi (Configuration): Document --disable-libgomp.
1009 2006-02-21 Geoffrey Keating <geoffk@apple.com>
1011 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
1013 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1015 * config/i386/sse.md (vec_extractv2df_1_sse): New.
1016 (vec_extractv2df_0_sse): New.
1018 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1020 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
1021 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
1022 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
1023 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
1024 to the result of the expression.
1025 (def_cfa_1): Adjust.
1026 (frame_pointer_cfa_offset): Rename to...
1027 (frame_pointer_fb_offset): ... this. Adjust all uses.
1028 (convert_cfa_to_loc_list): Rename to...
1029 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
1030 Pass it on to build_cfa_loc.
1031 (compute_frame_pointer_to_cfa_displacement): Rename to...
1032 (compute_frame_pointer_to_fb_displacement): ... this. New
1033 offset parameter. Use it in computation.
1034 (gen_subprogram_die): Compute cfa_fb_offset with the new
1035 macro, and use it to compute the fb loc list and the
1038 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
1040 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
1041 replaced with register_operand.
1042 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
1043 non-DREG is expensive.
1044 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
1045 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
1048 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
1050 * doc/install.texi2html: Use set -e.
1052 2006-02-21 Richard Sandiford <richard@codesourcery.com>
1054 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1055 (ASM_OUTPUT_SHARED_LOCAL): Delete.
1056 * doc/invoke.texi (-fshared-data): Delete.
1057 * common.opt (fshared-data): Delete.
1058 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
1059 (assemble_static_space): Remove #if 0 code.
1060 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1061 (ASM_OUTPUT_SHARED_LOCAL): Poison.
1062 * config/cris/cris.h: Remove FIXME.
1064 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
1066 * doc/sourcebuild.texi (Front End Directory): No more double-colon
1069 2006-02-21 Jakub Jelinek <jakub@redhat.com>
1072 * combine.c (simplify_shift_const_1): Disable nested shifts
1073 optimization for vector shifts.
1075 2006-02-20 Roger Sayle <roger@eyesopen.com>
1077 PR tree-optimization/26361
1078 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
1079 of unsigned integer types.
1081 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
1083 * tree-chrec.c (eq_evolutions_p): New.
1084 * tree-chrec.h (eq_evolutions_p): Declared.
1085 * tree-data-ref.c: Fix formatting.
1086 (datadep_stats, dependence_stats): New.
1088 (print_direction_vector): New.
1089 (dump_data_dependence_relation): Use print_direction_vector.
1090 (object_analysis, create_data_ref): Handle COMPONENT_REF.
1091 (compute_subscript_distance): Static.
1092 (initialize_data_dependence_relation): Static. Get the number
1093 of loops surrounding the references from the callers, and initialize
1094 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
1095 base_object_differ_p analyzers.
1096 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
1097 compute_overlap_steps_for_affine_1_2,
1098 analyze_subscript_affine_affine): Count the classified dependences.
1099 Print a message when a test failed.
1100 (can_use_analyze_subscript_affine_affine): New.
1101 (analyze_siv_subscript): Compute the data dependences on symbolic
1102 scevs that verify can_use_analyze_subscript_affine_affine.
1103 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
1104 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
1105 Handle symbolic scevs.
1106 (analyze_overlapping_iterations): Let symbolic affine scevs to be
1108 (subscript_dependence_tester): Moved...
1109 (build_classic_dist_vector, build_classic_dir_vector): Don't use
1110 lambda_vector_clear on newly allocated vectors. Get nb_loops from
1111 DDR_SIZE_VECT instead of getting it in parameter.
1112 (subscript_dependence_tester): ... here. Take as a parameter
1113 loop_nest_depth. Call build_classic_dist_vector and
1114 build_classic_dir_vector.
1115 (compute_affine_dependence): Update subscript_dependence_tester
1116 parameters. Update datadep_stats counters. Call
1117 compute_subscript_distance.
1118 (compute_self_dependence): Save the dist and dir vectors. Call
1119 compute_subscript_distance.
1120 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
1121 (compute_all_dependences): Reorder parameters as they were before
1122 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
1123 compute_subscript_distance. Update the use of
1124 compute_affine_dependence and initialize_data_dependence_relation.
1125 (find_data_references_in_loop): Handle COMPONENT_REF.
1126 (compute_data_dependences_for_loop): Initialize dependence_stats.
1127 Don't call build_classic_dist_vector and build_classic_dir_vector.
1128 Update the parameters of initialize_data_dependence_relation and
1129 compute_all_dependences. Print the statistics from datadep_stats.
1130 (analyze_all_data_dependences): Static. Not used until the pass for
1131 checking the data dependences is contributed.
1132 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
1133 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
1134 (initialize_data_dependence_relation, compute_affine_dependence,
1135 analyze_all_data_dependences, compute_subscript_distance): Removed.
1136 (print_direction_vector): New.
1137 * lambda.h (gcd): ... here.
1138 (lambda_vector_gcd): Moved here from gcd_vector.
1139 * lambda-code.c (gcd, gcd_vector): Removed.
1140 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
1141 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
1143 2006-02-20 Diego Novillo <dnovillo@redhat.com>
1145 * ipa-type-escape.c: Tidy some comments and white space.
1146 * tree-ssa-operands.c: Likewise.
1148 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
1151 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
1152 (dump_decl_name): Do not walk the decl tree chains.
1153 * tree-pass.h (TDF_CHAIN): Remove.
1155 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1157 * Makefile.in (C): Remove
1159 (.PHONY): Remove C and PROTO
1161 2006-02-20 Roger Sayle <roger@eyesopen.com>
1164 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
1165 deprecated CHAR_TYPE tree code.
1167 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1169 * configure.ac (target_list): Add install-info, dvi, html.
1170 * configure: Regenerate.
1172 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
1173 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
1174 treelang/Make-lang.in: Do not use double-colon rules.
1176 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
1178 * tree.h (struct tree_memory_tag): Add is_used_alone member.
1179 (TMT_USED_ALONE): New macro.
1180 * tree-pass.h (PROP_tmt_usage): New property.
1181 (TODO_update_tmt_usage): New todo.
1182 * tree-ssa-alias.c (updating_used_alone): New variable.
1183 (recalculate_used_alone): New function.
1184 (compute_may_aliases): Set updating_used_alone, call
1185 recalculate_used_alone.
1186 * tree-sra.c (pass_sra): Note that this pass destroys
1187 PROP_tmt_usage, and add TODO_update_tmt_usage.
1188 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1189 * tree-flow.h (updating_used_alone): Prototype.
1190 (recalculate_used_alone): Ditto.
1191 * passes.c (execute_todo): Add code to set updating_used_alone,
1192 and call recalculate.
1193 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
1194 for clobber if used alone, and add assert to verify used_alone
1197 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
1199 * config/s390/s390.c (legitimize_pic_address): Assertions checking
1200 for non tls symbols added.
1201 (legitimize_address): Do nothing for PLUS expressions if one of the
1202 addends is a tls symbol reference.
1204 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1208 * Makefile.in (LDFLAGS): Define from autoconf substitution.
1210 * Makefile.in (BOOTSTRAPPING): New.
1211 (quickstrap): New definition if BOOTSTRAPPING=yes.
1213 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
1214 * configure.ac: Substitute all_selected_languages with the languages
1215 that were configured. For all the other variables except
1216 lang_specs_files, include all the languages in the tree.
1217 * configure: Regenerate.
1219 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
1220 if there is one. Run the commands to run fixincludes in the same
1223 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
1224 * doc/install.texi: Document exact conventions for searching target tools.
1225 Document --with-build-time-tools. Document toplevel bootstrap. Document
1226 something more about building an Ada cross-compiler. Don't list GNU Make
1227 requirements which affect all platforms.
1229 2006-02-19 Roger Sayle <roger@eyesopen.com>
1232 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
1233 only equivalent if the have both the same mode and precision.
1235 2006-02-20 Ben Elliston <bje@au.ibm.com>
1237 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
1239 2006-02-19 Roger Sayle <roger@eyesopen.com>
1240 Steven Bosscher <stevenb.gcc@gmail.com>
1242 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
1243 constant pool references to identify stack mode constants.
1244 * rtlanal.c (constant_pool_constant_p): New predicate to check
1245 whether operand is a floating point constant in the pool.
1246 * rtl.h (constant_pool_constant_p): Prototype here.
1247 * loop.c (scan_loop): Avoid hoisting constants from the constant
1248 pool on STACK_REGS targets.
1249 (load_mems): Likewise.
1250 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
1251 loads into x87 registers expensive in terms of register pressure.
1253 2006-02-19 Roger Sayle <roger@eyesopen.com>
1255 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
1256 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
1258 2006-02-19 David Edelsohn <edelsohn@gnu.org>
1260 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
1261 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
1263 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
1265 * doc/invoke.texi: Document -fipa-pta.
1266 * common.opt: Add ipa-pta option.
1267 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
1268 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
1269 (do_ds_constraint): Ditto.
1270 (get_constraint_for): Only add to referenced_vars if
1271 referenced_vars exists.
1272 (insert_into_field_list): Rewrite to do this unsorted.
1273 (insert_into_field_list_sorted): Rename old insert_into_field_list
1275 (create_function_info_for): Use insert_into_field_list_sorted.
1276 (create_variable_info_for): Rewrite so it uses unsorted version,
1277 since the field list is sorted.
1278 (intra_create_variable_infos): Only add to referenced_vars if
1279 referenced_vars exists.
1280 (ipa_pta_execute): Init heapvars, and delete when done.
1281 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
1283 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1285 * doc/install.texi: Add missing `@samp'.
1287 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1289 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
1292 2006-02-18 Mark Wielaard <mark@klomp.org>
1294 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
1295 who added new 4.1 features, bug fixes and integration support.
1297 2006-02-18 David Edelsohn <edelsohn@gnu.org>
1300 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
1303 2006-02-18 Richard Sandiford <richard@codesourcery.com>
1305 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
1306 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
1307 (copy_insn_1): Likewise. Don't copy each field individually.
1309 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
1311 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
1312 * rtl.c (rtx_size): Rename variable to...
1313 (rtx_code_size): ...this.
1314 (rtx_size): New function.
1315 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
1316 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
1318 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
1319 * rtl.h (rtx_code_size): New variable.
1320 (rtx_size): Change from a variable to a function.
1321 (RTX_SIZE): Rename to...
1322 (RTX_CODE_SIZE): ...this.
1325 PR tree-optimization/17106
1326 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
1327 (Anchored Addresses): New section.
1328 * doc/invoke.texi (-fsection-anchors): Document.
1329 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
1330 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
1331 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
1332 * hooks.c (hook_bool_mode_rtx_false): New function.
1333 * hooks.h (hook_bool_mode_rtx_false): Declare.
1334 * gengtype.c (create_optional_field): New function.
1335 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
1336 SYMBOL_REF_IN_BLOCK_P is true.
1337 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
1338 (min_anchor_offset, max_anchor_offset): Likewise.
1339 (use_anchors_for_symbol_p): New hook.
1340 * toplev.c (compile_file): Call output_object_blocks.
1341 (target_supports_section_anchors_p): New function.
1342 (process_options): Check that -fsection-anchors is only used on
1343 targets that support it and when -funit-at-a-time is in effect.
1344 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
1345 if the decl doesn't have one.
1346 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
1347 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
1348 of force_const_mem through use_anchored_address.
1349 (expand_expr_constant): New function.
1350 (expand_expr_addr_expr_1): Call it. Use the same modifier when
1351 calling expand_expr for INDIRECT_REF.
1352 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
1353 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
1354 * expr.h (use_anchored_address): Declare.
1355 * loop-unroll.c: Don't declare rtx vectors here.
1356 * explow.c: Include output.h.
1357 (validize_mem): Call use_anchored_address.
1358 (use_anchored_address): New function.
1359 * common.opt (-fsection-anchors): New switch.
1360 * varasm.c (object_block_htab, anchor_labelno): New variables.
1361 (hash_section, object_block_entry_eq, object_block_entry_hash)
1362 (use_object_blocks_p, get_block_for_section, create_block_symbol)
1363 (use_blocks_for_decl_p, change_symbol_section): New functions.
1364 (get_variable_section): New function, split out from assemble_variable.
1365 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
1366 use_blocks_for_decl_p say so. Use change_symbol_section if the
1367 symbol has already been created.
1368 (assemble_variable_contents): New function, split out from...
1369 (assemble_variable): ...here. Don't output any code for
1370 block symbols; just pass them to place_block_symbol.
1371 Use get_variable_section and assemble_variable_contents.
1372 (get_constant_alignment, get_constant_section, get_constant_size): New
1373 functions, split from output_constant_def_contents.
1374 (build_constant_desc): Create a block symbol if use_object_blocks_p
1375 says so. Or into SYMBOL_REF_FLAGS.
1376 (assemble_constant_contents): New function, split from...
1377 (output_constant_def_contents): ...here. Don't output any code
1378 for block symbols; just pass them to place_section_symbol.
1379 Use get_constant_section and get_constant_alignment.
1380 (force_const_mem): Create a block symbol if use_object_blocks_p and
1381 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
1382 (output_constant_pool_1): Add an explicit alignment argument.
1383 Don't switch sections here.
1384 (output_constant_pool): Adjust call to output_constant_pool_1.
1385 Switch sections here instead. Don't output anything for block symbols;
1386 just pass them to place_block_symbol.
1387 (init_varasm_once): Initialize object_block_htab.
1388 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
1389 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
1390 (place_block_symbol, get_section_anchor, output_object_block)
1391 (output_object_block_htab, output_object_blocks): New functions.
1392 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
1393 (TARGET_ASM_OUT): Include it.
1394 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
1395 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
1396 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
1397 (TARGET_INITIALIZER): Include them.
1398 * rtl.c (rtl_check_failed_block_symbol): New function.
1399 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
1400 (block_symbol, object_block): New structures.
1401 (rtx_def): Add a block_symbol field to the union.
1402 (BLOCK_SYMBOL_CHECK): New macro.
1403 (rtl_check_failed_block_symbol): Declare.
1404 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
1405 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
1406 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
1407 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
1408 * output.h (output_section_symbols): Declare.
1409 (object_block): Name structure.
1410 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
1411 (default_use_anchors_for_symbol_p): Declare.
1412 * Makefile.in (RTL_BASE_H): Add vec.h.
1413 (explow.o): Depend on output.h.
1414 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
1415 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1416 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1417 (rs6000_use_blocks_for_constant_p): New function.
1419 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1421 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
1423 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1426 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
1429 2006-02-18 Diego Novillo <dnovillo@redhat.com>
1431 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
1435 2006-02-18 Jakub Jelinek <jakub@redhat.com>
1438 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
1439 instead of DECL_REGISTER.
1441 2006-02-18 Olivier Hainque <hainque@adacore.com>
1444 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
1446 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
1449 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
1450 * opth-gen.awk: Handle Var and InverseMask together.
1451 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
1452 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
1453 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
1454 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
1456 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1457 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1458 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
1459 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1460 LINUX_DYNAMIC_LINKER): Define.
1461 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
1462 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
1464 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1465 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
1466 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1467 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1468 (TARGET_C99_FUNCTIONS): Don't define.
1469 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
1470 GLIBC_DYNAMIC_LINKER.
1471 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
1472 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
1473 GLIBC_DYNAMIC_LINKER64): Define.
1474 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1475 LINUX_DYNAMIC_LINKER64.
1476 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1477 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1478 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
1479 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1480 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1481 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1482 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
1483 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
1484 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
1485 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
1486 and LINUX_DYNAMIC_LINKER32.
1487 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1488 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1489 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
1490 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1491 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
1493 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
1494 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
1495 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1496 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1497 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1498 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
1499 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
1500 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
1501 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1502 LINUX_DYNAMIC_LINKER): Define.
1503 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
1504 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
1505 GLIBC_DYNAMIC_LINKER64): Define.
1506 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1507 LINUX_DYNAMIC_LINKER64.
1508 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1509 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1510 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
1511 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1512 LINUX_DYNAMIC_LINKER): Define.
1513 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1514 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1515 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
1516 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
1517 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
1518 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1519 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
1520 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
1521 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1522 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1523 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1524 * doc/invoke.texi (-muclibc): Remove caveat about supported
1527 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1529 * doc/cpp.texi (__TIMESTAMP__): Document.
1531 2006-02-17 Roger Sayle <roger@eyesopen.com>
1534 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
1535 C is one less than the width of X (and related transformations).
1536 * simplify-rtx.c (simplify_unary_operation_1): Transform
1537 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
1538 depending on STORE_FLAG_VALUE, were C is one less then the
1541 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
1543 Fix PR tree-optimization/26341
1544 * tree-ssa-operands.c (add_virtual_operand): Remove assert
1545 about NAME_MEMORY_TAG's.
1547 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1550 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
1551 with hardware float support, and software float support. Add fcpy
1552 alternative to hardware patterns. Add alternatives to copy between
1553 general and floating-point registers to the 32-bit pattern.
1554 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
1555 secondary reload to load a QI or HI mode constant into a floating
1557 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
1558 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
1560 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
1563 * config/rs6000/darwin.md (load_macho_picbase_si): Add
1565 (load_macho_picbase_di): Likewise.
1567 2006-02-16 Jeff Law <law@redhat.com>
1569 * tree-vrp.c (set_value_range_to_nonnegative): New function.
1570 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
1571 (ssa_name_nonzero_p): Likewise.
1572 (get_value_range): Return NULL if VRP is not running.
1573 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
1574 VRP routines do not discover a range.
1575 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
1576 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
1577 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
1578 (tree_expr_nonnegative_p): Similarly.
1579 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
1580 (restore_nonzero_vars_to_original_value): Remove.
1581 (unsafe_associative_fp_binop): Remove.
1582 (tree_ssa_dominator_optimize): Remove initialization and
1583 finalization of nonzero_vars and nonzero_vars_stack.
1584 (dom_opt_initialize_block): No longer push marker on
1586 (dom_opt_finalize_block): No longer call
1587 restore_nonzero_vars_to_original_value.
1588 (record_equivalences_from_phis): No longer look for
1589 nonzero PHI arguments.
1590 (cprop_into_successor_phis): No longer propagate nonzero
1591 property into PHI arguments. Lose unused argument. Caller
1593 (record_equivalences_from_stmt): No longer record nonzero
1594 values for SSA_NAMEs.
1595 (lookup_avail_expr): No longer use nonzero_vars.
1597 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
1598 for sizetype when sizetype is unsigned.
1600 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
1602 PR rtl-optimization/25603
1603 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
1604 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
1605 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
1606 with new meaning of SETS.
1608 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
1613 * config/linux.opt: New file.
1614 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
1615 LINUX_DYNAMIC_LINKER): Define.
1616 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
1617 * config.gcc (*-*-linux*): Define extra_options.
1618 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
1619 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
1620 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
1621 GLIBC_DYNAMIC_LINKER.
1622 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
1623 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1624 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1625 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1626 * doc/invoke.texi (GNU/Linux Options): New section.
1628 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1630 * config/sparc/sparc.md (setjmp): Rewrite.
1631 (setjmp_32): Delete.
1632 (setjmp_64): Likewise.
1634 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
1636 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
1639 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1641 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
1644 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1646 PR rtl-optimization/26296
1647 * Makefile.in (loop-invariant.c): Add except.h dependency.
1648 * loop-invariant.c: Include except.h.
1649 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
1651 2005-02-16 Paul Brook <paul@codesourcery.com>
1653 * reload1.c (emit_reload_insns): Invalidate dead input registers used
1656 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
1658 PR rtl-optimization/25636
1659 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
1660 when deciding whether an insn is an initializing insn.
1662 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
1664 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
1665 (tree_code_size): Ditto.
1666 * tree.h (struct tree_memory_tag): Remove parent_var.
1667 (struct tree_struct_field_tag): New.
1670 (union tree_node): Add sft member.
1671 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
1673 (create_sft): Add size and offset argument, set SFT_OFFSET and
1675 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
1676 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
1677 * tree-flow-inline.h (get_subvar_at): Update for
1678 SFT_OFFSET/SFT_SIZE.
1679 (var_can_have_subvars): Ditto.
1680 (overlap_subvar): Ditto.
1681 * print-tree.c (print_node): Print out interesting things for
1683 * tree-flow.h (struct subvar): Remove offset and size members.
1684 * tree-ssa-operands.c (get_expr_operands): Update for
1685 get_indirect_ref_operands changes.
1686 (get_indirect_ref_operands): Call add_virtual_operand instead of
1687 add_stmt_operand. Only recurse on base var if requested.
1688 (access_can_touch_variable): New function.
1689 (add_stmt_operand): Split virtual operand handling into ...
1690 (add_virtual_operand): Here. Add offset, size, and for_clobber
1691 arguments. Prune alias sets.
1692 (add_call_clobber_ops): Call add_virtual_operand.
1694 2006-02-15 Jakub Jelinek <jakub@redhat.com>
1697 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
1699 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
1700 than TREE_CODE as index into omp_clause_num_ops array.
1702 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
1704 PR rtl-optimization/26184
1705 * modulo-sched.c (generate_reg_moves): Free bitmap vector
1707 * modulo-sched.c (sms_schedule): Free g_arr pointer.
1708 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
1709 must_precede, must_follow and tobe_scheduled.
1712 * opts.c (common_handle_option): Free new_option pointer.
1713 * df-core.c (df_analyze): Free postorder pointer.
1715 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1717 * Makefile.in: Fix the examples about the use of stamps
1719 2006-02-15 Michael Matz <matz@suse.de>
1723 * stor-layout.c (layout_decl): Zero-width bitfields aren't
1724 influenced by maximum_field_alignment or DECL_PACKED.
1725 (update_alignment_for_field): Ditto.
1726 (place_field): Ditto.
1727 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
1730 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
1732 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
1733 (debug_flow_info): Pass it.
1734 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
1735 * bb-reorder.c (reorder_basic_blocks): Likewise.
1736 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
1737 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
1738 * flow.c (life_analysis, recompute_reg_usage): Likewise.
1739 * gcse.c (gcse_main, bypass_jumps): Likewise.
1740 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
1741 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
1742 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
1743 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
1744 * rtl.h (dump_flow_info): Adjust prototype.
1745 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
1746 * var-tracking.c (variable_tracking_main): Likewise.
1747 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
1748 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
1751 2006-02-15 Marcin Dalecki <martin@dalecki.de>
1753 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
1756 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
1758 PR tree-optimization/26209
1759 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
1760 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
1762 * tree-cfg.c (replace_uses_by): Do not alter cfg.
1764 2006-02-14 Roger Sayle <roger@eyesopen.com>
1767 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
1768 (X,Y) and the corresponding symmetry related transformations.
1769 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
1770 (X,Y) and its symmetry related transformations.
1772 2006-02-14 Roger Sayle <roger@eyesopen.com>
1774 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
1777 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
1779 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
1781 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1784 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
1785 support COMDAT group.
1786 * configure: Regenerate.
1788 2006-02-14 Roger Sayle <roger@eyesopen.com>
1793 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
1795 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
1797 Fix PR tree-optimization/26260
1799 * doc/invoke.texi (max-fields-for-field-sensitive): Document
1801 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
1802 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
1803 * tree-ssa-structalias.c (create_variable_info_for): Use
1804 MAX_FIELDS_FOR_FIELD_SENSITIVE.
1806 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
1808 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
1810 * tree-ssa-loop-niter.c (number_of_iterations_ne,
1811 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
1812 of the ending condition.
1813 * tree-ssa-loop-manip.c: Include params.h.
1814 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
1815 tree_unroll_loop): New functions.
1816 * tree-pass.h (pass_loop_prefetch): Declare.
1817 * loop.c (rest_of_handle_loop_optimize): Test for
1818 -fprefetch-loop-arrays-rtl.
1819 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
1820 * timevar.def (TV_TREE_PREFETCH): New timevar.
1821 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
1822 pass_loop_prefetch): New.
1823 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
1824 (cleanup_tree_cfg_loop): Call scev_reset.
1825 * common.opt (fprefetch-loop-arrays-rtl): Add.
1826 * tree-ssa-loop-prefetch.c: New file.
1827 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
1828 (new_temp_expr_table): Initialize expr_vars.
1829 (free_temp_expr_table): Cleanup expr_vars.
1830 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
1831 expressions from being merged into one.
1832 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
1833 (struct tree_niter_desc): Add control, bound and cmp fields.
1834 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
1836 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
1837 (tree-cfgcleanup.o): Add SCEV_H dependency.
1838 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
1839 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
1841 2006-02-14 Richard Guenther <rguenther@suse.de>
1843 PR tree-optimization/26258
1844 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
1845 in PHI argument processing.
1847 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
1849 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
1850 new expression in the requested machine mode.
1852 2006-02-13 Roger Sayle <roger@eyesopen.com>
1854 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
1855 directly, instead let do_compare_rtx_and_jump handle this for us.
1856 * expr.c (expand_expr_real_1): Likewise.
1857 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
1858 before do_jump_by_parts_greater.
1859 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
1860 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
1862 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1864 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
1866 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
1868 PR rtl-optimization/26235
1869 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
1870 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
1873 2006-02-13 Jeff Law <law@redhat.com>
1875 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
1878 2006-02-13 Jakub Jelinek <jakub@redhat.com>
1881 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
1882 twice if decl is a builtin. When trying again, call get_callee_fndecl
1883 first to verify it is still a builtin.
1885 2006-02-13 Geoffrey Keating <geoffk@apple.com>
1887 * dwarf2out.c (base_type_die): Don't add AT_name here.
1888 (subrange_type_die): Don't add AT_name here.
1889 (modified_type_die): Rearrange code flow. Do add AT_name here.
1891 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
1893 PR rtl-optimization/26247
1894 PR rtl-optimization/26248
1895 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
1897 2006-02-13 Richard Sandiford <richard@codesourcery.com>
1899 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
1900 * config/fixtfdi.c: Likewise.
1901 * config/fixunstfdi.c: Likewise.
1902 * config/floatditf.c: Likewise.
1904 2006-02-13 Roger Sayle <roger@eyesopen.com>
1907 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
1908 into (X,C2) if C1 is a subset of the bits of C2. Transform
1909 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
1911 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
1913 2006-02-13 Josh Conner <jconner@apple.com>
1916 * varasm.c (function_section): Check for section name before
1917 calling select_section on targets that define
1918 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
1919 unlikely_text_section instead of hot_function_section if
1920 first_function_block_is_cold.
1922 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
1925 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
1927 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1929 PR rtl-optimization/26222
1930 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
1931 after tree->rtl expansion.
1932 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
1933 before passing it to emit_move_insn.
1935 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
1937 * doc/invoke.texi (-Write-strings): Document that it is enabled by
1939 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
1940 Clarify documentation.
1941 * c-common.h (warn_write_strings): Remove.
1942 * c-common.c (warn_write_strings): Likewise.
1943 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
1946 2006-02-12 Roger Sayle <roger@eyesopen.com>
1949 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
1950 (do_jump_parts_zero_rtx): New function renamed from
1951 do_jump_parts_equality_rtx. Made static. Add a mode argument.
1952 (do_jump_parts_equality_rtx): New function split out from
1953 do_jump_parts_equality. Old implementation renamed as above.
1954 Call do_jump_parts_zero_rtx if either operand is zero.
1955 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
1956 do all of the heavy lifting.
1957 (do_compare_rtx_and_jump): Handle multi-word comparisons by
1958 calling either do_jump_by_parts_greater_rtx or
1959 do_jump_by_parts_equality_rtx.
1960 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
1961 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
1962 moved to do_compare_rtx_and_jump, call it directly.
1963 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
1964 mode argument. Call do_compare_rtx_and_jump.
1965 (emit_case_nodes): Update calls to do_jump_if_equal.
1967 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1969 PR rtl-optimization/26225
1970 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
1972 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1974 PR rtl-optimization/26232
1975 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
1977 2006-02-11 Jason Merrill <jason@redhat.com>
1980 * tree-inline.c (declare_return_variable): Just don't use the
1981 modify target if it's a gimple complex reg and the return slot
1984 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1986 * doc/contrib.texi: Update my entry.
1988 2006-02-10 Geoffrey Keating <geoffk@apple.com>
1990 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
1992 2006-02-10 Diego Novillo <dnovillo@redhat.com>
1994 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
1997 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
1999 * doc/invoke.texi (-floop-optimize2): Removed.
2000 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
2001 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
2002 Test flag_branch_on_count_reg only if HAVE_doloop_end.
2003 * common.opt (floop-optimize2): Removed.
2004 (fmove-loop-invariants): Enabled by default.
2006 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
2008 * tree-if-conv.c (combine_blocks): Free the result of
2009 get_loop_exit_edges.
2011 2006-02-10 Jeff Law <law@redhat.com>
2013 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
2015 PR tree-optimization/26213
2016 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
2017 loop trying to follow SSA_NAME_VALUE chains.
2019 2006-02-10 Richard Guenther <rguenther@suse.de>
2021 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
2022 deal with structures that end in implicitly variable sized arrays.
2024 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2026 PR rtl-optimization/24762
2027 * df-scan.c (df_bb_refs_record): Record correct registers defined on
2030 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2032 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
2033 (struct ivopts_data): Add regs_used field.
2034 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
2035 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
2036 instead of loop_data->regs_used;
2037 (free_loop_data): Do not free aux fields for loops.
2038 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
2039 and tree_ssa_iv_optimize_finalize.
2041 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
2043 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
2045 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2048 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
2049 computing the effective result type.
2051 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2054 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
2055 (tree_overlaps_hard_reg_set): Declare.
2056 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
2057 type and signature to match function type expected by walk_tree.
2058 (tree_overlaps_hard_reg_set): New function.
2059 (decl_conflicts_with_clobbers_p): Rename to:
2060 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
2061 Use tree_overlaps_hard_reg_set. Changed caller.
2062 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
2063 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
2064 * cris.c (cris_md_asm_clobbers): Likewise.
2066 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
2068 * reload1.c (emit_input_reload_insns): Delete code that tries to
2069 inherit using find_equiv_reg.
2071 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
2073 * c-common.h (flag_const_strings): Don't declare.
2074 * c-common.c (flag_const_strings): Remove.
2075 * c.opt (fconst_strings): Remove.
2076 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
2077 <OPT_Wwrite_strings>: Don't set flag_const_strings.
2078 (c_common_init_options): Don't set flag_const_strings.
2079 * doc/invoke.texi (-fno-const-strings): Remove documentation.
2081 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
2083 * arm.md (tlobits_cbranch): New pattern.
2084 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
2085 testing a single bit.
2087 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2090 * tree-ssa-pre.c (create_component_ref_by_pieces):
2091 Handle RETURN_DECL like VAR_DECL.
2093 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2096 * fold-const.c (fold_indirect_ref_1): Fold
2097 "*(foo *)&complexfoo" to "__real__ complexfoo"
2098 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
2100 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2102 * tree-flow-inline.h (var_can_have_subvars):
2103 Volatile variables should not have subvariables.
2105 2006-02-09 Diego Novillo <dnovillo@redhat.com>
2108 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
2109 multiplying unsigned values.
2112 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
2114 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
2116 2006-02-08 Jason Merrill <jason@redhat.com>
2119 * tree.def: Elaborate on difference from MODIFY_EXPR.
2120 * doc/c-tree.texi (INIT_EXPR): Likewise.
2121 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
2122 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
2123 (gimplify_target_expr): Likewise.
2124 (gimplify_cond_expr): Remove target handling.
2125 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
2126 (gimplify_expr): Clobber it here.
2127 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
2128 Do return slot optimization if we have an INIT_EXPR.
2131 * tree-inline.c (declare_return_variable): Also clear
2132 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
2135 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
2138 * gimplify.c (gimplify_one_sizepos): Fix typo.
2140 2006-02-08 Jeff Law <law@redhat.com>
2142 PR tree-optimization/21417
2143 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
2144 across a backedge if the control statement at the end of the
2145 block is data dependent on other statements in the same block.
2146 (record_temporary_equivalences_from_stmts): Remove over-conservative
2147 test for threading across backedges.
2149 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
2150 control statement, handle all three special cases in the same
2151 manner as they all have the same desired solution. No longer
2152 special case edge flag updating when the post dominator is
2155 2006-02-08 Roger Sayle <roger@eyesopen.com>
2157 * tree.def (CHAR_TYPE): Remove.
2158 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
2159 * dwarf2out.c (base_type_die, is_base_type): Likewise.
2160 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
2161 (gen_string_type_die): Delete unreachable function.
2163 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
2164 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
2165 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
2166 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
2167 * builtins.c (type_to_class): Likewise.
2168 * fold-const.c (fold_convert, build_range_check,
2169 merge_ranges): Likewise.
2170 * expr.c (count_type_elements): Likewise.
2171 * c-pretty-print.c (pp_c_type_specifier): Likewise.
2172 * stor-layout.c (layout_type): Likewise.
2173 * ipa-type-escape.c (type_to_consider): Likewise.
2174 * gimplify.c (omp_firstprivatize_type_sizes,
2175 gimplify_type_sizes): Likewise.
2176 * explow.c (promote_mode): Likewise.
2177 * tree-sra.c (is_sra_scalar_type): Likewise.
2178 * varasm.c (output_constant): Likewise.
2179 * tree-inline.c (remap_type_1): Likewise.
2180 * convert.c (convert_to_pointer, convert_to_real,
2181 convert_to_integer, convert_to_complex): Likewise.
2183 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
2185 * df-scan.c (df_def_record_1): A set destination may
2186 be a parallel regardless of mode.
2188 2006-02-08 Roger Sayle <roger@eyesopen.com>
2191 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
2192 * config/mips/_tilib.c: Remove.
2193 * config/fixtfdi.c: New libgcc source file.
2194 * config/fixunstfdi.c: New source file.
2195 * config/floatditf.c: New source file.
2196 * config/floatunditf.c: New souce file.
2197 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2198 files above instead of config/mips/_tilib.c.
2199 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2201 2006-02-08 Jeff Law <law@redhat.com>
2203 PR tree-optimization/26169
2204 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
2207 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
2209 * df.h (DF_REG_SIZE): Return the length of the initialized
2212 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
2214 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
2215 __muldf3): Return a correctly signed zero.
2217 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
2219 * passes.c (register_one_dump_file): Accept the current properties
2220 instead of pass number. Adjust call to dump_register. Remove
2222 (register_dump_files): Now a wrapper around...
2223 (register_dump_files_1): ... this one. Do not modify the pass
2225 (next_pass_1): Cosmetic fix.
2226 (execute_todo): Keep second parameter only. Use curr_properties
2227 instead of fetching it from the pass structure. Check and set
2229 (execute_one_pass): Handle TODO_set_props. Use curr_properties
2230 instead of fetching it from the pass structure. Fix calls to
2231 execute_todo. Update curr_properties and initialize .vcg RTL dump
2232 after running the pass. Reset last_verified.
2233 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
2235 (FIRST_AUTO_NUMBERED_DUMP): New.
2236 (dump_register): Remove "num" parameter, assign it within the
2238 (get_dump_file_name): Modify template for dumps.
2239 * tree-dump.h (dump_register): Adjust prototype.
2240 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
2241 (PROP_trees): Add PROP_gimple_lomp.
2242 (TODO_set_props): New.
2243 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
2244 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
2245 * cfgexpand.c (pass_expand): Destroy PROP_trees.
2247 2006-02-08 Jakub Jelinek <jakub@redhat.com>
2249 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
2250 (sparc64-*-linux*): Likewise.
2251 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
2252 * config/sparc/t-linux: New file.
2253 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
2254 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
2255 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
2256 -m32 -mlong-double-128.
2258 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
2259 * config/alpha/t-linux: New file.
2260 * config/alpha/libgcc-alpha-ldbl.ver: New file.
2262 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
2263 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
2264 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
2265 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
2266 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
2267 (CPP_ARCH32_SPEC): Remove.
2269 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
2271 PR tree-optimization/26145
2272 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
2275 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2278 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
2279 >= 240000 when generating code for SOM runtime.
2280 (output_indirect_call): Don't use "b,l" instruction for indirect calls
2281 to $$dyncall when generating code for SOM runtime..
2283 2006-02-07 Dirk Mueller <dmueller@suse.com>
2286 * doc/invoke.texi (-Wsequence-point): Update documentation
2287 that -Wsequence-point is implemented for C++ as well.
2289 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2291 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
2292 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
2293 (LIB_SPEC): Likewise.
2294 * doc/invoke.texi (SPARC options): Document -pthread.
2296 2006-02-07 Geoffrey Keating <geoffk@apple.com>
2298 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
2301 2006-02-07 Roger Sayle <roger@eyesopen.com>
2303 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
2304 Correct comment describing BOOLEAN_TYPE.
2306 2006-02-07 Dirk Mueller <dmueller@suse.com>
2308 * c.opt: C++ frontend supports -Wdiv-by-zero.
2309 * c-opts.c (c_common_handle_option): Remove dead case.
2311 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2313 * configure.ac (TLS assembler check): Do not enable TLS by
2314 default on SPARC/Solaris before version 10.
2315 * configure: Regenerate.
2317 2006-02-07 David Edelsohn <edelsohn@gnu.org>
2319 * doc/invoke.texi (xl-compat): Document conversion and support
2322 2006-02-07 Jeff Law <law@redhat.com>
2324 * tree-vrp.c (find_conditional_asserts): Update comments.
2325 (simplify_stmt_for_jump_threading): New.
2326 (identify_jump_threads, finalize_jump_threads): New.
2327 (vrp_finalize): Call identify_jump_threads.
2328 (execute_vrp): Call finalize_jump_threads.
2329 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
2330 (vrp_element, vrp_data, vrp_element_p): Remove.
2331 (vrp_hash_elt, vrp_variables_stack): Remove.
2332 (vrp_hash, vrp_eq, record_range): Remove.
2333 (simplify_cond_and_lookup_avail_expr): Remove.
2334 (extract_range_from_cond): Remove.
2335 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
2336 (simplify_stmt_for_jump_threading): New.
2337 (dom_thread_across_edge): New wrapper.
2338 (tree_ssa_dominator_optimize): No longer initialize or
2339 finalize any of the VRP datastructures. Remove iteration
2340 step and simplify as a result of removal of iteration step.
2341 (pass_dominator): Perform a cfg cleanup after DOM.
2342 (dom_opt_finalize_block): Use the new common routines
2343 for threading jumps. Simplify stack management slightly.
2344 No longer need to unwind VRP state.
2345 (record_equivalences_from_incoming_edge): No longer record
2347 (eliminate_redundant_computations): No longer call
2348 simplify_cond_and_lookup_avail_expr.
2349 * tree-flow.h (potentially_threadable_block): Prototype.
2350 (thread_across_edge): Likewise.
2351 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
2352 (tree-ssa-threadedge.o): Add dependencies.
2353 * tree-ssa-threadedge.c: New file.
2354 * passes.c (init_optimization_passes): Merge PHIs before
2355 calling VRP. Run VRP again late in the SSA optimization pipeline.
2357 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2359 * df-core.c (df_set_blocks): Do not dereference function pointers.
2360 (df_finish1): Likewise.
2361 (df_hybrid_search_forward): Likewise.
2362 (df_hybrid_search_backward): Likewise.
2363 (df_iterative_dataflow): Likewise.
2364 (df_analyze_problem): Likewise.
2365 (df_compact_blocks): Likewise.
2366 (df_dump): Likewise.
2367 * df-scan.c (df_rescan_blocks): Likewise.
2368 (df_record_entry_block_defs): Likewise.
2370 * genconditions.c (write_conditions): Guard the definition of
2371 'insn_conditions' with the check on GCC version.
2372 (write_writer): Guard the traversal 'insn_conditions' with
2373 the check on GCC version.
2375 2006-02-07 Richard Guenther <rguenther@suse.de>
2379 2006-01-30 Richard Guenther <rguenther@suse.de>
2381 * gimplify.c (gimplify_target_expr): Handle easy cases
2382 without creating a temporary.
2384 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
2386 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
2387 use of float in probability computations. Use edge probabilities
2388 in place of statically computed probabilities.
2389 (min_spec_prob): New static variable.
2390 (schedule_insns): Initialize it.
2391 (GET_SRC_PROB): Removed.
2392 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
2394 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
2397 * config/ia64/unwind-ia64.c: Revert last change.
2398 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
2399 (INCOMING_FRAME_SP_OFFSET): Define.
2401 2006-02-06 Roger Sayle <roger@eyesopen.com>
2403 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
2405 2006-02-07 Ben Elliston <bje@au.ibm.com>
2407 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
2408 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
2409 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
2410 (ix86_return_in_memory): Handle TDmode.
2411 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
2412 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
2414 2006-02-06 Richard Sandiford <richard@codesourcery.com>
2416 * reorg.c (dbr_schedule): Use dump_file instead of file.
2418 2006-02-06 Steve Ellcey <sje@cup.hp.com>
2421 * config/ia64/predicates.md (extr_len_operand): New predicate.
2422 * config/ia64/ia64.md (extv): Tighten constraints.
2424 (*tbit_and_2): Ditto.
2425 (*tbit_and_3): Ditto.
2426 (*tbit_or_2): Ditto.
2427 (*tbit_or_3): Ditto.
2431 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
2434 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
2436 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
2438 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
2439 loop_optimizer_init and loop_optimizer_finalize
2440 * tree-ssa-sink.c (execute_sink_code): Ditto.
2441 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2442 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
2443 tree_ssa_loop_done): Ditto.
2444 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
2445 * sched-ebb.c: Include output.h.
2446 (schedule_ebbs): Do not use dump argument.
2447 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
2448 * loop.c (loop_dump_stream): Removed.
2449 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
2451 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
2452 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
2453 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
2454 loop_iterations, strength_reduce, record_biv, record_giv,
2455 final_giv_value, check_final_value, check_ext_dependent_givs,
2456 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
2457 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
2458 dump_file instead of loop_dump_stream.
2459 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
2461 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
2463 * flow.c (life_analysis, rest_of_handle_life): Ditto.
2464 * haifa-sched.c: Include output.h
2465 (schedule_insns, sched_init): Do not use dump argument.
2466 * mode-switching.c (optimize_mode_switching): Ditto.
2467 * modulo-sched.c (stats_file): Removed.
2468 (print_node_sched_params): Do not call argument dump_file.
2469 (sms_schedule_by_order, loop_canon_p, sms_schedule,
2470 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
2472 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
2474 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
2475 rtl_loop_init, rtl_loop_done): Ditto.
2476 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
2477 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
2479 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
2480 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
2481 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
2482 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
2483 * emit-rtl.c (renumber_insns): Ditto.
2484 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
2485 expand_gimple_basic_block, tree_expand_cfg): Ditto.
2486 * regclass.c (regclass): Ditto.
2487 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
2488 remove_ssa_form, rewrite_out_of_ssa): Ditto.
2489 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
2490 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
2492 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
2493 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
2495 * gcse.c (gcse_file, debug_stderr): Removed.
2496 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
2497 rest_of_handle_gcse): Do not use dump argument.
2498 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
2499 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
2500 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
2501 compute_code_hoist_vbeinout, compute_code_hoist_data,
2502 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
2503 compute_store_table, build_store_vectors, insert_insn_start_bb,
2504 insert_store, remove_reachable_equiv_notes, replace_store_insn,
2505 store_motion): Use dump_file instead of gcse_file.
2506 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
2507 * profile.c (profile_dump_file): Removed.
2508 (branch_prob): Use dump_file instead of profile_dump_file.
2509 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
2511 * tree-ssa-copy.c (dump_copy_of): Ditto.
2512 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
2513 dump file to life_analysis.
2514 * bt-load.c (branch_target_load_optimize): Ditto.
2515 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
2517 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
2518 regclass, dbr_schedule): Declaration changed.
2519 * sched-int.h (sched_init): Declaration changed.
2520 * tree-profile.c (tree_profile_dump_file): Removed.
2521 (tree_profile_hooks): Removed profile_dump_file hook.
2522 * rtl-profile (rtl_profile_dump_file): Removed.
2523 (rtl_profile_hooks): emoved profile_dump_file hook.
2524 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
2526 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
2527 * tree-cfg.c (build_tree_cfg): Ditto.
2528 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
2529 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
2530 Declaration changed.
2531 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
2532 life_analysis and schedule_insns.
2533 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
2535 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
2537 * config/mips/mips.c (mips_reorg): Ditto.
2538 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
2541 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
2543 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2544 (s390_mangle_fundamental_type): New.
2545 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2548 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2549 (alpha_mangle_fundamental_type): New.
2550 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2553 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2555 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2557 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2558 (sparc_mangle_fundamental_type): New.
2560 2006-02-06 Jakub Jelinek <jakub@redhat.com>
2562 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
2563 (s390x-*-linux*): Likewise.
2564 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
2565 * config/s390/t-linux: New file.
2567 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2569 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
2570 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
2572 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
2574 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
2575 (ANTIC_SAFE_LOADS): New macro.
2576 (find_or_generate_expression): Add prototype.
2577 (set_contains_value): Allow null set for sake of not always having
2578 to allocate ANTIC_SAFE_LOADS.
2579 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
2580 Allow COMPONENT_REF too.
2581 (valid_in_set): Allow COMPONENT_REF.
2582 Check ANTIC_SAFE_LOADS too.
2583 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
2584 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
2586 (can_PRE_operation): Add COMPONENT_REF.
2587 (create_component_ref_by_pieces): New function.
2588 (create_expression_by_pieces): Use create_component_ref_by_pieces.
2589 (insert_aux): Move AGGREGATE_TYPE_P check here.
2590 (compute_avail): Set bb local stmt uids.
2591 (pass_pre): Use TODO_update_ssa_only_virtuals.
2593 2006-02-06 Ben Elliston <bje@au.ibm.com>
2595 * configure.ac: Unconditionally disable decimal float by default.
2596 * configure: Regenerate.
2598 2006-02-06 Ben Elliston <bje@au.ibm.com>
2600 * read-rtl.c (read_name): Terminate reading on EOF.
2602 2006-02-06 Ben Elliston <bje@au.ibm.com>
2604 * dfp.c (decimal_real_arithmetic): Change second argument type
2605 from int to enum tree_code. Do not always return true, but now
2606 return result of any call to decimal_do helper functions.
2607 * dfp.h (decimal_real_arithmetic): Update prototype.
2609 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
2611 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
2613 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
2616 * tree-cfg.c (cleanup_dead_labels): Also don't remove
2619 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2621 * tree-vrp.c (cfg_loops): Removed.
2622 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
2623 Use current_loops instead of cfg_loops. Pass flags to
2624 loop_optimizer_init.
2625 * cfgloopmanip.c (fix_loop_structure): Update only available
2627 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
2628 loop_optimizer_init.
2629 * modulo-sched.c (build_loops_structure): Removed.
2630 (sms_schedule): Use loop_optimizer_init.
2631 * loop-init.c (loop_optimizer_init): Use flags to determine
2632 which properties of loops to prepare.
2633 (rtl_loop_init): Pass flags to loop_optimizer_init.
2634 * tree-ssa-sink.c (execute_sink_code): Ditto.
2635 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
2636 * tree-ssa-pre.c (init_pre): Ditto.
2637 * cfgloop.h (LOOPS_NORMAL): New.
2638 (loop_optimizer_init): Declaration changed.
2640 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2642 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
2643 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
2645 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
2647 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
2649 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
2650 * pa/t-pa64: Delete quadlib.c rule.
2651 * pa/x-ada: Revert last change.
2652 * pa/t-pa: Revert last change. Delete quadlib.c rule.
2654 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2656 PR rtl-optimization/26087
2657 * rtlanal.c (canonicalize_condition): Do not cross basic block
2660 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
2663 * config/ia64/ia64.c: Include debug.h.
2664 (MAX_ARTIFICIAL_LABEL_BYTES): New.
2665 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
2666 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
2667 (process_epilogue, process_set, process_for_unwind_directive):
2668 Output unwind info only if requested. Add CFA info if requested.
2669 Add new arguments as needed. Adjust callers.
2670 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
2672 (DWARF2_FRAME_INFO): Define to zero.
2673 * config/ia64/unwind-ia64.c: Remove code that compensated for
2674 the CFA offset error fixed above.
2675 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
2676 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
2677 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
2678 -funwind-tables and -fexceptions to enable frame info.
2679 (dwarf2out_frame_init): Define initial CFA even if
2680 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
2681 DWARF2_UNWIND_INFO is nonzero, not just defined.
2682 (dwarf2out_frame_finish): Output non-EH call frame info only
2683 if DWARF2_FRAME_INFO is nonzero.
2684 (convert_cfa_to_loc_list,
2685 compute_frame_pointer_to_cfa_displacement): Define even if
2686 unwind info is not supported.
2687 (gen_subprogram_die): Use the above unconditionally. Remove
2688 legacy alternate code.
2689 * toplev.c (compile_file): Compile in call to
2690 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
2691 (lang_dependent_init): Ditto for dwarf2out_frame_init.
2693 2006-02-04 David Edelsohn <edelsohn@gnu.org>
2694 Jakub Jelinek <jakub@redhat.com>
2696 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
2697 IBM extended float format long double as "g" on powerpc*-linux.
2699 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2702 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
2703 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
2705 2006-02-03 Jason Merrill <jason@redhat.com>
2708 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
2711 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
2712 on the return slot if it's an NRV.
2714 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
2716 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
2717 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
2718 rewrite_use): Do not handle USE_OUTER.
2719 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
2720 add_iv_outer_candidates, may_replace_final_value,
2721 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
2722 (find_interesting_uses_op): Functionality of
2723 find_interesting_uses_outer_or_nonlin moved here.
2724 (find_interesting_uses_outside): Use find_interesting_uses_op.
2726 2006-02-03 Alan Modra <amodra@bigpond.net.au>
2729 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
2731 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
2732 Ulrich Weigand <uweigand@de.ibm.com>
2735 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
2736 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
2737 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
2738 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
2740 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
2741 (s390_rtx_costs): Use the new fields to calculate rtx costs.
2742 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
2743 Define secondary reloads for TFmode moves.
2744 (constant_modes): Add TFmode.
2745 (NR_C_MODES): Set to 8.
2746 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
2748 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
2749 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
2750 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
2751 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
2752 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
2753 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
2754 (FPR mode macro): Add TFmode.
2755 (DSF mode macro): New.
2756 (<de>, <dee> mode attributes): Removed.
2757 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
2758 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
2759 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
2760 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
2761 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
2762 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
2763 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
2764 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
2765 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
2766 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
2767 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
2768 "*negabs<mode>2", "sqrt<mode>2"):
2769 Changed <de> to <xde>. R constraint replaced by <Rf>.
2770 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
2772 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
2773 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
2774 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
2776 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
2777 "extenddftf2", "extendsftf2"): New expanders.
2778 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
2779 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
2780 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
2781 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
2783 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
2784 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
2785 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
2786 __floatditf): Add a GCC_4.1.0 symbol version tag.
2787 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
2790 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
2793 * config/i386/i386.c (ix86_function_ok_for_sibcall):
2794 Use targetm.binds_local_p instead of TREE_PUBLIC.
2796 2006-02-02 Roger Sayle <roger@eyesopen.com>
2798 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
2799 on INTEGER_TYPEs to indicate that it denotes a character type.
2800 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
2801 signed_char_type_node, unsigned_char_type_node and char_type_node.
2802 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
2803 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
2804 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
2806 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
2807 Daniel Berlin <dberlin@dberlin.org>
2809 * tree-tailcall.c (arg_needs_copy_p): New function.
2810 (eliminate_tail_call): Use arg_needs_copy_p.
2811 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
2812 (add_virtual_phis): New function.
2814 2006-02-02 Jakub Jelinek <jakub@redhat.com>
2816 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
2817 #ignore instead of #scratch for %g7 .register directive.
2819 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
2821 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
2824 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2826 * flow.c (calculate_global_regs_live): Assert that there aren't any
2829 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
2831 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
2833 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
2834 bsi_after_labels iterator.
2835 * tree-if-conv.c (find_phi_replacement_condition,
2836 replace_phi_with_cond_modify_expr): Likewise.
2837 * tree-scalar-evolution.c (scev_const_prop): Likewise.
2838 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
2840 2006-02-02 Diego Novillo <dnovillo@redhat.com>
2842 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
2844 2006-02-02 Diego Novillo <dnovillo@redhat.com>
2847 * tree-cfg.c (move_block_to_fn): Clear out the basic block
2848 array after growing it.
2850 2006-02-01 Steve Ellcey <sje@cup.hp.com>
2853 * fold-const.c (fold_checksum_tree): Change type of buf.
2855 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
2857 * reload.c (push_secondary_reload): Initialize t_icode.
2859 2006-02-01 Jakub Jelinek <jakub@redhat.com>
2861 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
2862 -msoft-float -mlong-double-128 only issue a warning, but don't
2863 swich to DFmode long double.
2865 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
2867 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
2868 has a constant equivalent, iterate over equivalents for arg0,
2869 calling simplify_relational_operation and if there's a result
2870 cheaper than X, apply fold_rtx and return the result.
2872 2006-02-01 Jan Hubicka <jh@suse.cz>
2874 * opts.c (no_unit_at_a_time_default): New global variable.
2875 (decode_options): Use it.
2876 * opts.h (no_unit_at_a_time_default): Declare.
2878 2006-02-01 Paul Brook <paul@codesourcery.com>
2880 * function.c (assign_parm_setup_reg): Use function argument promotion
2882 * expr.c (expand_expr_real_1): Use function argument promotion rules
2885 2006-02-01 Steve Ellcey <sje@cup.hp.com>
2887 * gcc.c (process_command): Change j to 'unsigned int'.
2889 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2892 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
2893 Use the corrected index for the character
2894 out of the string constant.
2896 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2898 * mode-switching.c (optimize_mode_switching): Fix size
2899 allocated for bb_info[n_entities].
2901 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2903 * gcc.c (main): Correct type that is allocated for
2904 explicit_link_files.
2906 2006-01-31 Jakub Jelinek <jakub@redhat.com>
2908 * config/s390/s390.c (init_alignment_context): Set
2909 ALIAS_SET_MEMORY_BARRIER on the MEM.
2910 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
2912 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
2915 * loop-unroll.c (unroll_loop_runtime_iterations): Free
2917 * tree-ssa-live.c (type_var_init): Allocate bitmap after
2920 2006-01-31 Marcin Dalecki <martin@dalecki.de>
2922 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
2923 * regrename.c: Ditto.
2924 * tree-ssa-loop-im.c: Ditto.
2925 * tree-dump.c: Ditto.
2926 * tree-complex.c: Ditto.
2927 * genrecog.c: Ditto.
2928 * tree-ssa-threadupdate.c: Ditto.
2930 * java/class.c: Ditto.
2931 * java/jcf-parse.c: Ditto.
2932 * java/resource.c: Ditto.
2933 * java/except.c: Ditto.
2934 * java/jvspec.c: Ditto.
2935 * java/jcf-write.c: Ditto.
2936 * java/jcf-path.c: Ditto.
2937 * java/gjavah.c: Ditto.
2938 * java/zextract.c: Ditto.
2939 * java/jcf-io.c: Ditto.
2940 * java/jcf.h: Ditto.
2941 * java/buffer.c: Ditto.
2942 * java/lang.c: Ditto.
2943 * java/parse-scan.y: Ditto.
2944 * java/lex.c: Ditto.
2945 * java/lex.h: Ditto.
2946 * cfgloopmanip.c: Ditto.
2947 * postreload-gcse.c: Ditto.
2948 * tree-ssa-loop-manip.c: Ditto.
2949 * postreload.c: Ditto.
2950 * tree-ssa-loop-ch.c: Ditto.
2954 * diagnostic.c: Ditto.
2956 * genoutput.c: Ditto.
2958 * cfghooks.c: Ditto.
2959 * cfgloopanal.c: Ditto.
2960 * objc/objc-act.c: Ditto.
2962 * genextract.c: Ditto.
2963 * genautomata.c: Ditto.
2964 * pretty-print.c: Ditto.
2966 * cgraphunit.c: Ditto.
2969 * haifa-sched.c: Ditto.
2970 * dominance.c: Ditto.
2972 * tree-ssa-loop-ivopts.c: Ditto.
2974 * mode-switching.c: Ditto.
2975 * modulo-sched.c: Ditto.
2977 * ipa-pure-const.c: Ditto.
2979 * fix-header.c: Ditto.
2981 * tree-stdarg.c: Ditto.
2982 * ipa-utils.c: Ditto.
2983 * loop-init.c: Ditto.
2984 * ipa-inline.c: Ditto.
2987 * alloc-pool.c: Ditto.
2988 * dwarf2out.c: Ditto.
2990 * genattrtab.c: Ditto.
2991 * tree-ssa-loop-ivcanon.c: Ditto.
2995 * fortran/gfortranspec.c: Ditto.
2997 * local-alloc.c: Ditto.
2998 * langhooks.c: Ditto.
2999 * function.c: Ditto.
3000 * tree-vectorizer.c: Ditto.
3002 * ipa-type-escape.c: Ditto.
3004 * tree-if-conv.c: Ditto.
3007 * tree-data-ref.c: Ditto.
3008 * loop-unroll.c: Ditto.
3009 * treelang/treetree.c: Ditto.
3012 * ggc-common.c: Ditto.
3014 * coverage.c: Ditto.
3016 * tree-cfgcleanup.c: Ditto.
3017 * tree-ssa-pre.c: Ditto.
3018 * cfgcleanup.c: Ditto.
3019 * loop-invariant.c: Ditto.
3021 * ipa-prop.c: Ditto.
3022 * print-tree.c: Ditto.
3023 * conflict.c: Ditto.
3024 * ggc-page.c: Ditto.
3025 * sched-deps.c: Ditto.
3026 * regclass.c: Ditto.
3027 * tree-object-size.c: Ditto.
3029 * bb-reorder.c: Ditto.
3030 * resource.c: Ditto.
3031 * var-tracking.c: Ditto.
3033 * df-problems.c: Ditto.
3034 * reg-stack.c: Ditto.
3037 * sched-rgn.c: Ditto.
3038 * tree-ssa-structalias.c: Ditto.
3039 * tree-ssa-reassoc.c: Ditto.
3040 * config/darwin-c.c: Ditto.
3041 * config/darwin.c: Ditto.
3042 * config/arm/arm.c: Ditto.
3044 * collect2.c: Ditto.
3047 2006-01-31 Nicolas Pitre <nico@cam.org>
3049 * arm.md (smaxsi3): Make aware of smax_m1.
3052 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
3054 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
3056 2006-01-31 Richard Guenther <rguenther@suse.de>
3058 * doc/invoke.texi (-msselibm): Document.
3059 * target.h (expand_library_builtin): New target hook.
3060 * builtins.c (expand_builtin): Use expand_library_builtin.
3061 (default_expand_library_builtin): New function.
3062 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3063 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3064 (link_gcc_math_spec): Declare.
3065 (static_specs): Add link_gcc_math_spec.
3066 * expr.h (default_expand_library_builtin): Declare.
3067 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3068 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3069 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3070 * config/i386/i386.opt (msselibm): New target option.
3071 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3072 (ix86_init_sse_abi_builtins): New function.
3073 (ix86_expand_library_builtin): Likewise.
3074 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3075 (override_options): Handle error conditions wrt -msselibm.
3076 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3077 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3078 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3081 2006-01-31 Richard Guenther <rguenther@suse.de>
3082 Paolo Bonzini <bonzini@gnu.org>
3084 * doc/install.texi (--disable-libgcc-math): Document.
3086 2006-01-30 Marcin Dalecki <martin@dalecki.de>
3088 * expr.h (expand_normal): new inline function.
3089 * builtins.c: use it, use EXPAND_NORMAL explicitely.
3091 * dwarf2out.c: use it.
3096 * config/sparc/sparc.c: use it.
3097 * config/i386/i386.c: use it.
3098 * config/rs6000/rs6000.c: use it.
3099 * config/arm/arm.c: use it.
3100 * config/mips/mips.c: use it.
3101 * stmt.c: use it, use EXPAND_NORMAL explicitely.
3103 2006-01-30 Roger Sayle <roger@eyesopen.com>
3105 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
3106 argv to the appropriate type.
3108 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
3110 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
3113 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
3116 * config/s390/s390.c (struct machine_function): New flag
3117 decomposed_literal_pool_addresses_ok_p.
3118 (s390_reorg): Set it before final stage of literal pool transforms.
3119 (s390_decompose_address): Only accept displacements of the form
3120 (minus (label_ref ...) (label_ref ...)) if that flag is set.
3122 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
3124 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
3125 the comparison routine return.
3127 2006-01-30 Michael Matz <matz@suse.de>
3129 * global.c (find_reg): Only evict for global regs.
3130 Take n_refs into account and dump more info.
3132 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
3135 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
3136 (pragma_trap, pragma_nosave_low_regs): Likewise.
3137 (current_function_anonymous_args): Likewise.
3138 (sh_deferred_function_attributes): New variable.
3139 (sh_deferred_function_attributes_tail): Likewise.
3140 (print_operand): For '@', look up trap_exit attribute.
3141 (calc_live_regs): Look up trapa_handler attribute. For trapa
3142 handlers, save/restore fpscr, but don't do any other
3143 interrupt-specific saves.
3144 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
3145 Fix check for partially saved registers to check for SHmedia.
3146 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
3147 (sh_output_function_epilogue): Don't clear any of the removed
3149 (sh_insert_attributes): Don't check pragma_interrupt.
3150 Insert deferred attributes. Check that interrupt attribute is
3151 present for other attributes that require its presence.
3152 (sh_attribute_table): Add new attributes trapa_handler and
3154 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
3155 Don't check for pragma_interrupt. Don't store argument.
3156 * sh.h (pragma_interrupt, sp_switch): Don't declare.
3157 (sh_deferred_function_attributes): Declare.
3158 (sh_deferred_function_attributes_tail): Likewise.
3159 * sh.md (sp_switch_1): Add operand. Change generator caller.
3160 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
3161 (*return_i): Don't use when trap_exit attribute is in effect.
3162 (*return_trapa): New insn pattern.
3164 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
3165 setting c_target_objs and cxx_target_objs.
3166 * t-sh: Add rule for sh-c.o.
3168 2006-01-30 Richard Guenther <rguenther@suse.de>
3171 * gimplify.c (gimplify_target_expr): Handle easy cases
3172 without creating a temporary.
3174 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
3176 * vec.h (safe_grow): Remove duplicated line.
3178 2006-01-29 Diego Novillo <dnovillo@redhat.com>
3181 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
3182 (expand_omp): ... here.
3183 (expand_omp_parallel): Only remove barriers for combined
3184 parallel+workshare constructs.
3186 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
3190 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3191 * tree.c (build_qualified_type): Chain the new type to the original
3192 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3193 a POINTER_TYPE or a REFERENCE_TYPE respectively.
3194 (build_pointer_type_for_mode): Only return unqualified types.
3195 (build_reference_type_for_mode): Likewise.
3197 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
3199 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
3200 * Makefile.in (CXX_COMPAT_WARN): Define.
3201 * configure: Regenerate.
3203 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
3206 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
3209 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3211 * toplev.c: Fix thinko.
3213 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3214 Marcin Dalecki <martin@dalecki.de>
3216 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
3217 (push_srcloc): Use XNEW.
3218 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
3220 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3222 * df-core.c (df_set_blocks): Deleted all variable.
3224 2006-01-28 Ian Lance Taylor <ian@airs.com>
3226 * cgraphunit.c (cgraph_assemble_pending_functions): Call
3227 cgraph_output_pending_asms.
3229 2006-01-28 Zack Weinberg <zackw@panix.com>
3231 * c.opt: Add -W(no-)overlength-strings.
3232 * doc/invoke.texi: Document it.
3233 * c-opts.c (c_common_handle_option): -pedantic implies
3234 -Woverlength-strings, if not explicitly disabled already.
3235 (c_common_post_options): -Woverlength-strings defaults to off, and
3236 is always off for C++.
3237 * c-common.c (fix_string_type): Issue warning about strings longer
3238 than is portable only if warn_overlength_strings. Rearrange code
3239 a little for clarity.
3240 * configure.in: Check for -Wno-overlength-strings as well before
3241 enabling -pedantic in stage 1.
3242 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
3243 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
3245 * genconditions.c (write_header, write_one_condition)
3246 (write_conditions, write_writer): Consolidate very long strings
3247 that were broken up to fit in C89 portable limit. Don't use
3248 printf when fputs will do.
3250 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
3252 * combine.c (simplify_comparison <AND>): Check
3253 TRULY_NOOP_TRUNCATION before start using a subreg.
3255 * config/mips/mips.md (*branch_zero<mode>,
3256 *branch_zero<mode>_inverted, *branch_equality<mode>,
3257 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
3258 Remove mode check from comparisons.
3260 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
3262 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
3264 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3266 * expmed.c (const_mult_add_overflow_p): Remove.
3267 * expr.h: Remove the prototype for const_mult_add_overflow_p.
3269 * recog.c (validate_replace_rtx_subexp): Remove.
3270 * recog.h: Remove the prototype for
3271 validate_replace_rtx_subexp.
3273 * integrate.h: Remove the prototype for
3274 copy_decl_for_inlining.
3275 * rtl.h: Remove the prototype for mark_constant_function.
3276 * tree-vectorizer.h: Remove the prototype for
3277 vect_strip_conversion.
3279 * modulo-sched.c (create_partial_schedule,
3280 free_partial_schedule, reset_partial_schedule): Make them
3283 * hooks.c (hook_bool_rtx_int_false): Remove.
3284 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
3286 2006-01-28 David Edelsohn <edelsohn@gnu.org>
3288 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3289 and -mlong-double-128 are incompatible.
3290 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
3291 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
3292 (TARGET_LIBGCC2_CFLAGS): Define.
3293 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
3294 (TARGET_LIBGCC2_CFLAGS): Same.
3295 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
3297 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3300 * c-typeck.c (build_binary_op): Perform implicit casts of
3301 operands before shortening them.
3303 * cfgloopmanip.c (split_loop_bb): Remove.
3304 * cfgloop.h: Remove the prototype for split_loop_bb.
3306 * cfgloop.c (flow_loop_outside_edge_p): Remove.
3307 * cfgloop.h: Remove the prototype for
3308 flow_loop_outside_edge_p.
3310 * emit-rtl.c (init_virtual_regs): Make it static.
3311 * function.h: Remove the prototype for init_virtual_regs.
3313 * recog.c (peephole2_optimize): Make it static.
3314 * recog.h: Remove the prototype for peephole2_optimize.
3316 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3318 * df-scan.c (df_record_entry_block_defs): Check if
3319 INCOMING_RETURN_ADDR_RTX is defined.
3321 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
3322 Kenneth Zadeck <zadeck@naturalbridge.com>
3324 PR rtl-optimization/24762
3325 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3326 * targhooks.c (hook_void_bitmap): New hook prototype.
3327 * targhoohs.h (hook_void_bitmap): Ditto.
3328 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
3329 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
3330 * target.h (live_on_entry): New function pointer.
3331 * df-scan.c (df_all_hard_regs): Removed.
3332 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
3333 (df_scan_free_internal): Added df->entry_block_defs.
3334 (df_scan_alloc): Ditto.
3335 (df_scan_dump): Ditto.
3336 (df_uses_record): Plumbed flag field properly thru calls.
3337 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
3338 This part fixes PR24762.
3339 (df_bb_refs_record): Added code to make the frame and arg
3340 pointers live in EH blocks.
3341 (df_refs_record): Added call to df_record_entry_block_defs.
3342 (df_record_entry_block_defs): New function.
3343 * df-core.c: Added comments to describe new artifical defs.
3344 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
3345 (entry_block_defs): New field in struct df.
3346 (df_all_hard_regs): Deleted.
3347 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3348 * df-problems.c (df_ru_bb_local_compute_process_def):
3349 Added code to handle artifical defs in the entry to a function.
3350 (df_ru_bb_local_compute): Ditto.
3351 (df_rd_bb_local_compute_process_def): Ditto.
3352 (df_rd_bb_local_compute): Ditto.
3353 (df_lr_bb_local_compute): Ditto.
3354 (df_ur_bb_local_compute): Ditto.
3355 (df_urec_bb_local_compute): Ditto.
3356 (df_chain_create_bb): Ditto.
3357 (df_ur_local_finalize): Removed entry.
3358 (df_urec_init): Ditto.
3359 (df_urec_local_finalize): Ditto.
3360 (df_ri_bb_compute): Added detection of last use of pseudos.
3361 * Makefile.in (df-scan.o): Updated dependencies.
3362 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
3363 * config/mips/mips.c (mips_set_live_on_entry): Added.
3364 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
3366 * dce.c (marked_insn_p): Added code to handle artifical defs.
3368 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3370 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
3372 (_mm_cvtsi128_si64): Likewise.
3373 (_mm_cvtsd_si64): Likewise.
3374 (_mm_cvttsd_si64): Likewise.
3375 (_mm_cvtsi64_sd): Likewise.
3376 (_mm_cvtsi64_si128): Likewise.
3377 * config/i386/mmintrin.h (_m_from_int64): Likewise.
3378 (_mm_cvtsi64_m64): Likewise.
3379 (_m_to_int64): Likewise.
3380 (_mm_cvtm64_si64): Likewise.
3381 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
3382 (_mm_cvttss_si64): Likewise.
3383 (_mm_cvtsi64_ss): Likewise.
3384 (_mm_cvtss_f32): Likewise.
3386 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
3388 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
3389 for pragma redefine_extname.
3391 2006-01-27 Jakub Jelinek <jakub@redhat.com>
3394 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
3395 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
3396 -mno-minimal-toc to previous content.
3397 (bispecs): Remove goal.
3398 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
3399 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
3400 compatibility aliases on powerpc-*-*gnu*.
3401 * config/rs6000/libgcc-ppc-glibc.ver: New file.
3402 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
3403 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
3404 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
3405 (ldblspecs): New goal.
3406 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
3407 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
3409 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
3410 L_sf_to_tf or L_df_to_tf is defined.
3412 2006-01-27 David Edelsohn <edelsohn@gnu.org>
3413 Alan Modra <amodra@bigpond.net.au>
3416 * config/rs6000/linux.h (POWERPC_LINUX): Define.
3417 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
3418 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
3419 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
3420 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
3421 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
3422 (rs6000_override_options): Initialize rs6000_ieeequad.
3423 Initialize TFmode format to ibm_extended_format if not
3425 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
3427 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
3428 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
3429 (function_arg_advance): IBM long double passed in two FPRs, not
3431 (function_arg): IBM long double passed in FPRs.
3432 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
3433 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
3434 Only multireg GPR aligned.
3435 (rs6000_init_libfuncs): Enable IBM long double functions if not
3437 (rs6000_generate_compare): Use IBM long double compare if not
3439 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
3440 (TARGET_IEEEQUAD): Define.
3441 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
3442 not TARGET_IEEEQUAD.
3443 * config/rs6000/rs6000.md: Enable TFmode patterns if
3445 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
3446 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3447 and -mlong-double-128 are incompatible.
3448 * doc/invoke.texi (-mabi): Collect options together. Add
3449 ibmlongdouble and ieeelongdouble.
3451 2006-01-27 Richard Sandiford <richard@codesourcery.com>
3453 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
3455 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
3456 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
3457 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
3458 * rtl.h (rtunion_def): Remove rt_ptr.
3460 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
3461 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
3462 * config/i386/winnt.c (i386_pe_mark_dllexport)
3463 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
3465 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
3467 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
3469 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3473 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
3474 pthread_key_delete. From John David Anglin. gthrw-ify
3475 pthread_getunique_np only if it it's not a macro. Delete
3477 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
3478 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
3479 __gthread_objc_condition_signal, __gthread_key_delete): Add
3480 "__attribute__ ((__unused__))" to unused arguments.
3481 (__gthread_recursive_mutex_init_function): Add missing return.
3482 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
3483 gthr-posix95.h: Use macro-based approach for name redirection
3484 on targets missing weakref.
3486 2006-01-26 Zack Weinberg <zackw@panix.com>
3488 * genconditions.c (write_header): In generated code, #ifdef out
3489 all includes and fake declarations, except includes of bconfig.h
3490 and system.h, unless GCC_VERSION >= 3001. Do not include
3491 gensupport.h in any case.
3492 (write_conditions): Generate a definition of struct c_test. Add
3493 a comment to the generated #endif.
3494 (write_one_condition): Escape backslashes in string too.
3495 (write_writer): Generated code must escape backslashes and quote
3496 marks (but not newlines) in the strings it writes.
3497 * Makefile.in (build/gencondmd.o): Update dependencies.
3499 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3502 * Makefile.in (insn-automata.o): Add header file dependencies.
3503 * genautomata.c: Add includes.
3505 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3508 * Makefile.in (insn-automata.o): Add -Wno-error flag.
3510 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3512 * configure.ac: Expect target tools paths to be passed from the toplevel
3513 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
3515 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
3517 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3520 * c.opt (Wpointer-sign): Init to -1.
3521 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
3522 OPT_pedantic, to 0 otherwise.
3523 * doc/invoke.texi: Update.
3525 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3527 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
3528 constants provided by 80387 instructions in the destination mode.
3530 2006-01-26 Richard Guenther <rguenther@suse.de>
3531 Andrew Pinski <pinskia@physics.uc.edu>
3534 partial PR tree-opt/17064
3535 * tree-ssa-structalias.c (intra_create_variable_infos):
3536 Create heap variables for incoming parameters if
3537 flag_argument_noalias > 1.
3538 (find_what_p_points_to): Look through default defs of
3541 2006-01-26 Jeff Law <law@redhat.com>
3544 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
3545 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
3546 within the VR_RANGE, use the VR_RANGE as the result, not the
3548 (adjust_range_with_scev): Reject ranges from SCEV which are out of
3549 bounds for the type.
3551 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
3553 * tree-ssa-alias.c (maybe_create_global_var): Change
3554 subvar walking to an assertion that we don't have subvar'd variables.
3556 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
3559 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
3560 Use a new variable, inner. PARM_DECLs are always non-weak.
3562 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
3564 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
3567 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
3569 * config/mips/mips.md (*clear_upper32): New combiner pattern.
3571 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
3573 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
3574 (smax_insn, smin_insn, smax_0, smin_0): New.
3576 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
3579 * config/cris/cris.c (cris_order_for_addsi3): New function.
3580 * config/cris/cris-protos.h: Prototype it.
3581 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
3582 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
3583 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
3584 (split for "op.S1 [rx=rx+i],ry (swapped)")
3585 (split for "op(s|u).S1 [rx=rx+i],ry")
3586 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
3587 Apply cris_order_for_addsi3 when generating addsi3 insns.
3589 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3591 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
3592 (TREE_BLOCK): Add call to EXPR_CHECK.
3594 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3597 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
3598 * tree-pretty-print.c (dump_omp_clause): Extract from ...
3599 (dump_omp_clauses): ... here.
3600 (dump_generic_node): Handle OMP_CLAUSE.
3601 * tree.c (omp_clause_num_ops): New.
3602 (omp_clause_code_name): New.
3603 (tree_code_size): Handle OMP_CLAUSE.
3604 (tree_size): Likewise.
3605 (make_node): Document handling of OMP_CLAUSE.
3606 (tree_node_structure): Handle OMP_CLAUSE.
3607 (omp_clause_check_failed): New.
3608 (omp_clause_range_check_failed): New.
3609 (omp_clause_operand_check_failed): New.
3610 (build_omp_clause): New.
3611 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
3612 * tree.h (enum omp_clause_code): Declare.
3613 (OMP_CLAUSE_SUBCODE_CHECK): Define.
3614 (OMP_CLAUSE_RANGE_CHECK): Define.
3615 (OMP_CLAUSE_ELT_CHECK): Define.
3616 (omp_clause_check_failed): Declare.
3617 (omp_clause_operand_check_failed): Declare.
3618 (omp_clause_range_check_failed): Declare.
3619 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
3620 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
3621 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
3622 (OMP_CLAUSE_LASTPRIVATE): Likewise.
3623 (OMP_CLAUSE_IF_EXPR): Likewise.
3624 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
3625 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
3626 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
3627 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
3628 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
3629 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
3630 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
3631 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
3632 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
3633 (OMP_CLAUSE_CODE): Define.
3634 (OMP_CLAUSE_SET_CODE): Define.
3635 (OMP_CLAUSE_CODE): Define.
3636 (OMP_CLAUSE_OPERAND): Define.
3637 (struct tree_omp_clause): Declare.
3638 (union tree_node): Add field 'omp_clause'.
3639 * treestruct.def (TS_OMP_CLAUSE): Define.
3640 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
3641 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
3642 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
3643 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
3644 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
3645 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
3646 (OMP_CLAUSE): Define.
3647 * print-tree.c (print_node): Handle OMP_CLAUSE.
3648 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
3649 * c-typeck.c: Likewise.
3650 * gimplify.c: Likewise.
3651 * c-omp.c: Likewise.
3652 * tree-nested.c: Likewise.
3653 * tree-inline.c: Likewise.
3654 * c-parser.c: Likewise.
3655 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
3658 2006-01-25 Roger Sayle <roger@eyesopen.com>
3660 PR rtl-optimization/25703
3661 * combine.c (try_combine): Handle zero_extract and strict_low_part
3662 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
3664 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
3666 * global.c: Fix comment typos.
3668 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
3671 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
3672 Use output_addr_const instead of assemble_name.
3674 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
3676 * Makefile.in (sched-vis.o): Update dependencies.
3677 * haifa-sched.c (sched_finish): Clear current_sched_info.
3678 * cfg.c (dump_bb_info): New, split from dump_flow_info.
3679 (dump_flow_info): Call it.
3680 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
3682 * basic-block.h (dump_bb_info): Declare.
3683 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
3684 option, and apply options only for dump files whose TDF_RTL,
3685 TDF_TREE, or TDF_IPA bits match.
3686 * rtl.h: Declare new functions exported from sched-vis.c.
3687 * sched-vis.c: Enable also if scheduling is not used.
3688 (print_value): Print the mode of registers if not inside scheduling.
3689 (print_insn): Make it work outside the scheduler. Beautify the output
3691 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
3693 2006-01-25 Richard Sandiford <richard@codesourcery.com>
3695 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
3696 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
3697 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
3698 depending on the value of CONSTANT_POOL_ADDRESS_P.
3699 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
3701 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
3702 rather than SYMBOL_REF_DECL.
3703 (rtx_constant_pool): Remove const_rtx_sym_htab.
3704 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
3705 (init_varasm_status): Don't initialize const_rtx_sym_htab.
3706 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
3707 Remove handling of const_rtx_sym_htab.
3708 (find_pool_constant): Delete.
3709 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
3710 rather than find_pool_constant.
3711 (get_pool_constant_for_function): Delete.
3712 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
3714 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
3715 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
3716 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
3717 (SYMBOL_REF_CONSTANT): New macro.
3718 (get_pool_constant_for_function): Delete.
3719 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
3720 rather than SYMBOL_REF_DECL.
3721 (i386_pe_mark_dllimport): Likewise.
3722 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
3723 rather than SYMBOL_REF_DECL.
3724 * config/darwin.c (machopic_indirect_data_reference): Likewise.
3725 (machopic_indirect_call_target): Likewise.
3727 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
3729 * flow.c (delete_noop_moves): Add missing EOL to dump message.
3731 2006-01-25 Richard Sandiford <richard@codesourcery.com>
3733 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
3735 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
3737 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
3739 2006-01-24 David Daney <ddaney@avtrex.com>
3742 * configure.ac (enable_tls): New enable option.
3743 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
3744 * configure: Regenerate.
3745 * doc/install.texi (--enable-tls): Document new option.
3746 (--disable-tls): Ditto.
3748 2006-01-24 Richard Henderson <rth@redehat.com>
3750 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
3751 * alias.c (true_dependence): Respect it.
3752 (canon_true_dependence, write_dependence_p): Likewise.
3753 * builtins.c (get_builtin_sync_mem): Set it.
3755 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
3757 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
3760 2006-01-24 DJ Delorie <dj@redhat.com>
3762 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
3763 for storing constants in single-bit bitfields.
3765 2006-01-25 Ben Elliston <bje@au.ibm.com>
3767 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
3769 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
3772 * tree-ssa-pre.c (phi_translate): Return NULL
3773 for AGGREGATE_TYPE's.
3775 2006-01-24 Zack Weinberg <zackw@panix.com>
3777 * genautomata.c (process_state_for_insn_equiv_partition):
3778 Use xcalloc for insn_arcs_array.
3779 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
3780 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
3782 2006-01-24 Richard Henderson <rth@redhat.com>
3784 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
3787 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
3789 PR rtl-optimization/25890
3790 PR rtl-optimization/25905
3791 * combine.c (expand_compound_operation, expand_field_assignment):
3792 Fail if the bitfield's final position is out of bounds.
3794 2006-01-24 Ian Lance Taylor <ian@airs.com>
3797 * cgraphunit.c (cgraph_output_in_order): Don't clear
3798 cgraph_asm_nodes until after asm strings have been output.
3800 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
3802 * fix-header.c (read_scan_file): Add new parameter imultilib when
3803 calling register_include_chains.
3805 2006-01-23 Diego Novillo <dnovillo@redhat.com>
3807 * omp-low.c: Update documentation.
3809 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
3810 Daniel Berlin <dberlin@dberlin.org>
3814 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
3815 return from the function.
3817 2006-01-22 Zack Weinberg <zackw@panix.com>
3819 * rtl.def (match_code): Add second argument.
3820 * genpreds.c (write_extract_subexp): New function.
3821 (write_match_code): Add path argument. Use write_extract_subexp.
3822 (write_predicate_expr): Pass path to write_match_code.
3823 (mark_mode_tests): MATCH_CODE applied to a subexpression does
3824 not perform a mode test.
3825 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
3826 a subexpression does not constrain the top-level code set.
3827 * read-rtl.c (read_rtx_variadic): New function.
3828 (read_rtx_1): Use it; allow AND and IOR to be variadic.
3829 * doc/md.texi: Document new notation.
3830 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
3831 (cmpsi_operand): ... here, using new notation.
3833 2006-01-22 Zack Weinberg <zackw@panix.com>
3835 * varray.c: Remove GENERATOR_FILE #ifdefs.
3837 2006-01-22 Zack Weinberg <zackw@panix.com>
3839 * genautomata.c (output_reserved_units_table): Emit nothing if
3840 description->query_units_num is zero. Remove extra blank line.
3841 (output_cpu_unit_reservation_p): Short circuit
3842 if description->query_units_num is zero.
3844 2006-01-22 Zack Weinberg <zackw@panix.com>
3846 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
3847 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
3848 nor any of the random handful of variables that used to be necessary
3849 when this program was linked with rtlanal.o. Prune set of forward
3850 function declarations.
3851 (struct attr_desc): Remove static_p field.
3852 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
3853 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
3854 (attr_string): Do not read the character one past the length of
3856 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
3857 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
3858 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
3859 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
3860 (make_automaton_attrs): New.
3861 (main): Do not call into genautomata. Call local gen_bypass
3862 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
3863 Remove special case for insn_alts.
3864 * genautomata.c: Include gensupport.h; not genattrtab.h nor
3865 varray.h (leftover from previous change). Prune set of forward
3866 function declarations. Remove state_alts fields from all
3867 structures. Remove state_alts_table from struct automaton.
3868 Make everything except main static. Do not maintain num_dfa_decls.
3869 Do not maintain state_alts fields of various structures.
3870 (process_decls): Don't validate condexp for dm_insn_reserv decls.
3871 (add_arc): Remove state_alts argument. All callers updated.
3872 (output_reserved_units_table): Emit #ifdef here...
3873 (output_tables): ...not here. Don't generate state_alts tables.
3874 (expand_automata): Don't generate attributes.
3875 (write_automata): Don't generate state_alts functions.
3876 (main): New function.
3877 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
3878 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
3879 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
3880 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
3881 (BYPASS_P_FUNC_NAME, output_state_alts_table)
3882 (output_automata_list_state_alts_code, output_internal_state_alts_func)
3883 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
3884 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
3886 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
3887 * genattrtab.h: Delete file.
3888 * Makefile.in (OBJS-common): Add insn-automata.o.
3889 (insn-automata.o): New rule.
3890 (simple_generated_c): Add insn-automata.c.
3891 (build/genattrtab.o, build/genautomata.o): Update dependencies.
3892 (genprogmd): Add automata.
3893 (build/genattrtab): Needs no extra objects nor libraries.
3894 (build/genautomata): Needs build/vec.o and -lm.
3896 2006-01-22 Zack Weinberg <zackw@panix.com>
3898 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
3899 (output_dfa_max_issue_rate, locked_states_num): Delete.
3900 (struct automaton): Add locked_states field.
3901 (output_dead_lock_vect): Save number of locked states in
3902 automaton->locked_states. If it is zero, don't print anything.
3903 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
3904 (output_internal_dead_lock_func): Only test the dead_lock_vect
3905 for automata that have locked states.
3906 (output_statistics): Always print the number of locked states for
3907 each automaton. Calculate total number of locked states here.
3908 (write_automata): Don't call output_dfa_max_issue_rate.
3909 * genattrtab.c: Define length_unit_log as a const variable.
3910 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
3911 max_insn_queue_index const.
3912 * final.c (length_unit_log): Declare const.
3913 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
3915 2006-01-22 Zack Weinberg <zackw@panix.com>
3917 * genautomata.c: Include vec.h, not varray.h.
3918 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
3919 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
3920 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
3921 VEC_* macros operating on appropriately typed vectors, or to
3922 malloced arrays when the size is known in advance. Const-ify
3923 many char* variables and function arguments. No functional changes.
3924 * Makefile.in (build/varray.o): Delete rule.
3925 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
3926 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
3928 2006-01-22 Zack Weinberg <zackw@panix.com>
3930 * gensupport.c: Define get_insn_name and record_insn_name here.
3931 (read_md_rtx): Call record_insn_name as appropriate.
3932 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
3933 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
3934 * genpreds.c, genrecog.c: Don't define get_insn_name nor
3936 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
3937 (BUILD_VARRAY): Delete.
3938 (genprognormal): Rename genprogmd. Fold in all programs from
3939 genprognoprint; also attrtab.
3940 (build/genattrtab): Just mention genautomata.o and varray.o.
3941 Reorganize a bit, add comments to make the categories clearer.
3943 2006-01-22 Zack Weinberg <zackw@panix.com>
3945 * genconditions.c (condition_table, add_condition): Delete.
3946 (write_conditions): Don't emit n_insn_conditions nor
3947 insn_elision_unavailable. Issue the gcc version #ifdef here,
3948 inside the table, with no #else clause ...
3949 (write_header): ...not here.
3950 (write_writer): New function.
3951 (main): Don't initialize condition_table. Use add_c_test.
3953 * gensupport.c (init_md_reader_args_cb): Handle multiple input
3954 files on the command line.
3955 (maybe_eval_c_test): Don't check insn_elision_unavailable.
3956 Return -1 if there is no entry in the table, don't abort.
3957 (add_c_test, traverse_c_tests): New functions.
3958 * gensupport.h (insn_elision_unavailable, insn_conditions)
3959 (n_insn_conditions): Delete declarations.
3960 (add_c_test, traverse_c_tests): Declare.
3961 * read-rtl.c: Include gensupport.h.
3962 (read_conditions): New function.
3963 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
3964 (read_rtx_1): If we get EOF when we were looking for an initial
3965 open paren, return 0. Call read_conditions when appropriate.
3966 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
3967 dummy-conditions.o. Eliminate references to insn-conditions.o,
3968 or change them to build/gencondmd.o, as appropriate. Remove
3969 insn-constants.h from $(simple_generated_h) and insn-conditions.c
3970 from $(simple_generated_c). For all files remaining in those
3971 two lists, add insn-conditions.md to the generator command line.
3972 Give insn-constants.h/s-constants their own rules. Add rules
3973 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
3974 (build/read-rtl.o): Depend on gensupport.h.
3975 (genprognormal): Include preds.
3976 (genprogearly): Rename genprognoprint; only difference is now that
3977 they don't link with $(BUILD_PRINT).
3978 * dummy-conditions.c: Delete.
3980 2006-01-22 Zack Weinberg <zackw@panix.com>
3982 * genextract.c: Don't include insn-config.h. Do include vec.h.
3983 Declare vectors of int, char, and locstr.
3984 (locstr): New typedef.
3985 (struct extraction): Make all array fields into bare pointers.
3986 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
3987 (insn_code_number): Delete.
3988 (accum_extract): New struct.
3989 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
3990 (gen_insn): Take insn_code_number as an argument. Use an
3991 accum_extract structure instead of loading data directly into
3992 a struct extraction, and having to know how big it might get.
3993 (walk_rtx): Operate entirely on an accum_extract structure.
3994 (print_path): Avoid unnecessary use of printf.
3995 (print_header): New function, split out of main. Distinguish
3996 more carefully between an unrecognizable insn and an insn that
3997 has the code number of a define_expand.
3998 (main): Pass insn_code_number to gen_insn. Call print_header
3999 only after parsing. Avoid unnecessary use of printf.
4000 * Makefile.in (build/vec.o): New rule.
4001 (build/genextract): Depend on build/vec.o.
4002 (build/genextract.o): Don't depend on insn-config.h.
4004 2006-01-22 Zack Weinberg <zackw@panix.com>
4006 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
4007 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
4008 practical. Eliminate per-generator-program link rules.
4010 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
4013 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4014 with a call expr to ...
4015 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4017 2006-01-23 Richard Guenther <rguenther@suse.de>
4019 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
4020 before make_edge with conditional EDGE_TRUE_VALUE.
4022 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
4023 Jan Hubicka <jh@suse.cz>
4024 Richard Guenther <rguenther@suse.de>
4026 PR rtl-optimization/25654
4027 * cfgexpand.c (aggregate_contains_union_type): New function.
4028 (add_alias_set_conflicts): Call it. Make sure to add conflicts
4029 for structure variables that contain a union type.
4031 2006-01-23 Richard Sandiford <richard@codesourcery.com>
4033 * gengtype.c (new_structure): Return the structure.
4034 (create_option): Add an extra "next" argument.
4035 (create_field): New function.
4036 (adjust_field_rtx_def): Use create_option and create_field.
4037 Remove a now-unnecessary call to find_structure.
4038 (adjust_field_tree_def): Likewise.
4039 (note_yacc_type): Remove an unnecessary call to find_structure.
4040 * gengtype.h (new_structure): Return the structure.
4041 (create_option): Add an extra argument.
4042 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
4043 (option): Adjust calls to create_option.
4045 2006-01-22 David Edelsohn <edelsohn@gnu.org>
4047 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
4049 2006-01-22 Paul Brook <paul@codesourcery.com>
4050 Peter Barada <peter@the-baradas.com>
4052 * config/m68k/m68k.md: Add Coldfire FPU support.
4053 Define FP mode macro and associated attributes.
4054 Use it for float mode patterns.
4055 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
4056 (LIBCALL_VALUE): Use m68k_libcall_value.
4057 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
4058 (m68k_function_value): Ditto.
4059 (emit_move_sequence): Ditto.
4060 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
4061 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
4062 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
4063 (MULTILIB_EXCEPTIONS): Ditto.
4064 * config/m68k/m68k.opt: Add mcfv4e.
4065 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
4066 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
4067 (m68k_output_function_prologue): Save ColdFire FPU registers.
4068 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
4069 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
4070 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
4071 ColdFire FPU registers.
4072 (m68k_libcall_value, m68k_function_value): New functions.
4073 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
4074 (LIBCALL_VALUE): Use m68k_libcall_value.
4075 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
4076 (MASK_COLDFIRE): Add MASK_CFV4E.
4077 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
4078 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
4079 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
4080 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
4081 (GO_IF_LEGITIMATE_ADDRESS): Use it.
4082 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
4083 * doc/invoke.tex: Document -mcfv4e on m68k.
4085 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
4087 * doc/contribute.texi: Change CVS to SVN and update the corresponding
4090 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
4093 * c-opts.c (c_common_handle_option): Don't include
4094 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
4095 * doc/invoke.texi (C++ Dialect Options): Document that
4096 -Wnon-virtual-dtor is no longer included in -Wall.
4098 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
4100 * gcov.c (print_version), gcov-dump.c (print_version),
4101 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
4104 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
4106 * df-scan.c (problem_SCAN): Added NULL reset function.
4107 (df_scan_reset_blocks): Added code to call reset block function
4108 (df_bb_refs_delete) Fixed comment.
4109 (df_insn_refs_delete): Made tolerant of deleting non existent info
4110 for dataflow problems that need to be reset.
4111 * df-core.c (df_set_blocks): Ditto.
4112 * df.h (struct df_problem): Added reset_fun.
4113 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
4114 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
4115 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
4116 functions to clear out all references to def-use or use-def chains.
4118 2006-01-21 Ben Elliston <bje@au.ibm.com>
4120 * varasm.c (assemble_real): Initialise data array.
4122 2006-01-20 Paul Brook <paul@codesourcery.com>
4124 Merge from csl-arm-branch.
4125 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
4126 * config/arm/arm.md (movdi): Force operands[1] to a register
4127 if we have a non-register source.
4128 (*arm_movdi, *movdf_soft_insn): Require that one of the
4129 operands be a register.
4130 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
4131 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
4133 2006-01-20 DJ Delorie <dj@redhat.com>
4135 * varasm.c (initialize_constant_valid_p): Allow pointers
4136 initialized from integer constants of lesser precision.
4137 (output_constant): Allow non-int-sized pointer modes to be
4138 initialized from integer constants.
4140 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
4143 * cppdefault.h (struct default_include): Add multilib flag.
4144 * cppdefault.c (cpp_include_defaults): Set it.
4145 * c.opt (-imultilib): New option.
4146 * c-opts.c (imultilib): New.
4147 (c_common_handle_option): Handle -imultilib.
4148 (c_common_post_options): Likewise.
4149 * c-incpath.c (add_standard_paths, register_include_chains):
4151 * c-incpath.h (register_include_chains): Add extra parameter.
4152 * gcc.c (do_spec_1): Generate -imultilib option.
4153 (The Specs Language): Update %I description.
4154 (process_command): Update copyright notice.
4155 * doc/cppopts.texi (-imultilib): Document.
4156 * doc/invoke.texi (-imultilib): Include in option summary.
4157 (%I): Update specs documentation.
4159 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4161 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
4163 2006-01-20 Richard Sandiford <richard@codesourcery.com>
4165 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
4168 2006-01-20 Richard Guenther <rguenther@suse.de>
4169 Steven Bosscher <stevenb.gcc@gmail.com>
4171 PR rtl-optimization/24626
4172 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
4173 EDGE_TRUE_VALUE if in RTL mode.
4176 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
4177 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
4179 2006-01-20 Dirk Mueller <dmueller@suse.com>
4182 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
4183 instead of a special NOP marker.
4184 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
4185 NOP marker handling.
4186 * c-common.h (empty_body_warning): Add forward declaration.
4187 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
4188 Now uses IS_EMPTY_STMT() instead of special NOP markers.
4190 2006-01-20 Paul Brook <paul@codesourcery.com>
4192 * Makefile.in (lang_checks): Keep going if mkdir fails.
4194 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4196 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
4197 be able to clean out basic block when not necessary.
4198 (df_scan_free): Fixed to properly delete information if df is
4199 unused before calling df_finish.
4200 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
4201 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
4203 (df_bb_refs_delete): New function.
4204 (df_refs_delete): Moved per block code to df_bb_refs_delete.
4205 * df-core.c (df_set_blocks): Added code to properly clean out
4206 unused blocks if they are not part of the blocks to consider.
4207 Added additional null check.
4208 (df_compact_blocks): Added basic block parameter to free_bb_fun to
4209 be able to clean out basic block when not necessary
4210 * df.h (df_free_bb_function): Ditto.
4211 (df_bb_refs_delete): New function.
4212 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
4213 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
4214 basic block parameter to be able to clean out basic block when not
4216 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
4217 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
4218 Fixed to properly delete information if df is unused before
4221 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4223 PR rtl-optimization/25799
4224 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
4225 Corrected confluence operator to remove bits from op2 before oring
4226 with op1 rather than removing bits from op1.
4227 (df_ru_transfer_function): Corrected test on wrong bitmap which
4228 caused infinite loop. Both of these problems were introduced in
4229 the dataflow rewrite.
4231 2006-01-19 DJ Delorie <dj@redhat.com>
4233 * reload1.c (find_reload_regs): Note the details of reload
4234 failures in the dump file.
4235 (spill_failure): Likewise.
4237 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4239 * loop-iv.c: Include df.h and hashtab.h.
4240 (enum iv_grd_result): New enum.
4241 (DF_REF_IV, DF_REF_IV_SET): New macros.
4242 (struct biv_entry): New.
4243 (df, bivs): New global variables.
4244 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
4245 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
4247 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
4248 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
4249 analyzed_for_bivness_p, record_biv): New functions.
4250 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
4251 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
4252 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
4254 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
4256 (iv_number_of_iterations): Use new interface to iv analysis.
4257 * loop-unroll.c: Do not include varray.h.
4258 (analyze_iv_to_split_insn): Use new interface to iv
4260 * loop-unswitch.c (may_unswitch_on): Ditto.
4261 * df.c (df_bitmaps_free): Only work for bbs for that structures are
4263 (df_bb_modify): Realloc tables to the new index.
4264 (df_find_use): New function.
4265 * df.h (df_find_use): Declare.
4266 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
4268 * cfgloop.h (struct rtx_iv): Remove analysed field.
4269 (iv_get_reaching_def): Removed.
4270 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
4271 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
4272 (loop-iv.o): Add df.h and hashtab.h dependency.
4273 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
4275 2006-01-20 Alan Modra <amodra@bigpond.net.au>
4278 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
4280 (__floatundisf, __floatundidf): Likewise.
4281 * libgcc2.h (IS_IBM_EXTENDED): Define.
4283 2006-01-19 DJ Delorie <dj@redhat.com>
4285 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
4287 2006-01-19 Paul Brook <paul@codesourcery.com>
4289 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
4290 as nothrow when unwinding tables are disabled.
4292 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4295 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
4296 of bit-field" when in system header.
4298 2006-01-19 DJ Delorie <dj@redhat.com>
4300 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
4301 the 16 bit shift limit of the m16c.
4303 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
4306 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
4307 * config/i386/i386.c (output_set_got): Output the label if we have one
4308 for the TARGET_DEEP_BRANCH_PREDICTION case.
4310 2006-01-19 Jan Hubicka <jh@suse.cz>
4311 H.J. Lu <hongjiu.lu@intel.com>
4312 Evandro Menezes <evandro.menezes@amd.com>
4314 * invoke.texi (generic): Document
4316 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
4317 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
4318 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
4319 (x86_use_incdec, x86_pad_returns): New variables
4320 (TARGET_CPU_DEFAULT_generic): New constant
4321 (TARGET_CPU_DEFAULT_NAMES): Add generic.
4322 (enum processor_type): Add generic32 and generic64.
4323 * i386.md (cpu attribute): Add generic32/generic64
4324 (movhi splitter): Behave sanely when both partial_reg_dependency and
4325 partial_reg_stall are set.
4326 (K8 splitters): Enable for generic as well.
4327 * predicates.md (incdec_operand): Use TARGET_INCDEC
4328 (aligned_operand): Avoid memory mismatch stalls.
4329 * athlon.md: Enable for generic64, new patterns for 128bit moves.
4330 * ppro.md: Enable for generic32
4331 * i386.c (generic64_cost, generic32_cost): New.
4332 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
4333 (x86_use_leave): Enable for generic64. (x86_use_sahf,
4334 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
4335 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
4336 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4337 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4338 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4339 x86_accumulate_outgoing_args, x86_prologue_using_move,
4340 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4341 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
4343 (x86_use_incdec, x86_pad_returns): New.
4344 (override_options): Add generic32 and generic64, translate "generic"
4345 to generic32/generic64 and "i686" to "generic32", refuse
4346 "generic32"/"generic64" as arch target.
4347 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
4348 (ix86_reorg): Honor PAD_RETURNS.
4350 2006-01-19 Diego Novillo <dnovillo@redhat.com>
4352 * tree-pretty-print.c (dump_generic_node): Handle
4353 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
4354 * cgraph.c (cgraph_expand_queue): Rename from
4355 cgraph_analyze_queue. Update all users.
4356 * cgraphunit.c (cgraph_assemble_pending_functions): Process
4357 cgraph_expand_queue.
4358 (cgraph_expand_all_functions): Likewise.
4359 (cgraph_finalize_pending_functions): Remove. Update callers.
4361 * tree.h (OMP_DIRECTIVE_P): Define.
4362 (OMP_PARALLEL_FN): Define.
4363 (OMP_PARALLEL_DATA_ARG): Define.
4364 (OMP_SECTIONS_SECTIONS): Define.
4365 * tree-pass.h (pass_expand_omp): Declare.
4366 * omp-low.c (struct omp_region): Declare.
4367 (struct omp_context): Remove fields 'parallel_type',
4368 'parallel_start_ix' and 'parallel_start_additional_args'.
4370 (struct omp_for_data): Rename from struct expand_omp_for_data.
4371 (omp_regions): New static variable.
4372 (root_omp_region): New static variable.
4373 (find_omp_clause): Make static.
4374 (is_in_combined_parallel_ctx): Remove.
4375 (is_combined_parallel): New.
4376 (extract_omp_for_data): Move earlier in the file.
4377 (workshare_safe_to_combine_p): New.
4378 (get_ws_args_for): New.
4379 (determine_parallel_type): Move earlier in the file.
4380 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
4382 (omp_copy_decl): Likewise.
4383 (create_omp_child_function): Likewise.
4384 (lookup_omp_region): New.
4385 (dump_omp_region): New.
4386 (debug_omp_region): New.
4387 (debug_all_omp_regions): New.
4388 (new_omp_region): New.
4389 (scan_omp_parallel): If parallel_nesting_level > 1, the
4390 directive is nested within another parallel directive.
4391 Set OMP_PARALLEL_FN.
4392 (scan_omp_for): Do not try to handle combined parallel+for
4394 Remove FIXME comment.
4395 (scan_omp_nested): Remove.
4396 (scan_omp_1): Do not call scan_omp_nested when
4397 parallel_nesting_level is > 1.
4398 Do not change the DECL_CONTEXT of local variables found.
4399 (lookup_decl_in_outer_ctx): New.
4400 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
4401 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
4402 (lower_reduction_clauses): Rename from expand_reduction_clauses.
4403 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
4404 If CTX is nested, lookup VAR in the outer context when
4405 building copy assignment.
4406 (lower_send_clauses): Rename from expand_send_clauses.
4407 If CTX is nested, lookup VAR in the outer context when
4408 building copy assignments.
4409 (lower_send_shared_vars): Rename from expand_send_shared_vars.
4410 If CTX is nested, lookup VAR in the outer context when
4411 building copy assignments.
4412 (expand_parallel_call): Rename from build_parallel_call.
4413 Handle combined parallel+workshare cases.
4414 Re-implement to emit code into the CFG.
4416 (expand_omp_parallel): Re-implement to emit code into the CFG.
4417 Call move_sese_region_to_fn to outline the sub-graph
4418 containing the parallel region.
4419 (expand_omp_for_1): Remove.
4420 (expand_omp_for_generic): Re-implement to emit code into the
4422 (expand_omp_for_static_nochunk): Likewise.
4423 (expand_omp_for_static_chunk): Likewise.
4424 (expand_omp_for): Likewise.
4425 (expand_omp_sections): Likewise.
4426 (remove_exit_barriers): New.
4427 (expand_omp_synch): New.
4429 (build_omp_regions_1): New.
4430 (build_omp_regions): New.
4431 (execute_expand_omp): New.
4432 (gate_expand_omp): New.
4433 (pass_expand_omp): Define.
4434 (lower_omp_sections): Rename from expand_omp_sections.
4435 Set OMP_SECTIONS_SECTIONS.
4436 (lower_omp_single_simple): Rename from expand_omp_single_simple.
4437 (lower_omp_single_copy): Rename from expand_omp_single_copy.
4438 (lower_omp_single): Rename from expand_omp_simple.
4439 (lower_omp_master): Rename from expand_omp_master.
4440 (lower_omp_ordered): Rename from expand_omp_ordered.
4441 (lower_omp_critical): Rename from expand_omp_critical.
4442 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
4443 (lower_omp_for): Re-implement.
4444 (lower_omp_parallel): Re-implement.
4445 (lower_regimplify): Rename from expand_regimplify.
4446 (lower_omp_1): Rename from expand_omp_1.
4447 If there are syntax errors in the program, replace every
4448 OpenMP directive with NOP.
4449 Call lower_omp_* instead of expand_omp_*.
4450 (lower_omp): Rename from expand_omp.
4452 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
4453 * tree-gimple.h (enum omp_parallel_type): Remove.
4454 (gimple_boolify): Declare extern.
4455 (find_omp_clause, determine_parallel_type): Remove.
4457 * gimple-low.c (lower_omp_directive): New.
4458 (lower_stmt): Call it.
4459 (record_vars_into): Move from ...
4460 (record_vars): ... here.
4461 Call record_vars_into with current_function_decl.
4463 * gimplify.c (struct gimplify_ctx): Remove fields
4464 combined_pre_p and combined_ctxp. Update users.
4465 (get_formal_tmp_var): Add documentation.
4466 (gimple_boolify): Make extern.
4467 (gimplify_expr_in_ctx): Remove. Update callers.
4468 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
4469 will always be a BIND_EXPR.
4470 (gimplify_expr): Handle OMP_RETURN_EXPR.
4471 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
4472 (OMP_PARALLEL): Add 3 operands.
4473 (OMP_SECTIONS): Add 1 operand.
4474 (OMP_RETURN_EXPR): Define.
4476 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
4477 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
4478 * tree-iterator.c (alloc_stmt_list): Assert that we are not
4479 creating a circular free list.
4480 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
4482 * tree-flow.h (move_sese_region_to_fn): Declare.
4483 (record_vars_into): Declare.
4484 * tree-cfg.c (make_omp_sections_edges): New.
4485 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
4486 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
4487 OMP_SECTIONS and OMP_SECTION.
4488 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
4489 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
4490 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
4491 (gather_blocks_in_sese_region): New.
4492 (struct move_stmt_d): Declare.
4494 (move_block_to_fn): New.
4495 (move_sese_region_to_fn): New.
4497 * passes.c (init_optimization_passes): Schedule
4498 pass_expand_omp after pass_init_datastructures.
4500 * tree-ssa-operands.c (get_expr_operands): Handle
4501 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
4502 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
4504 2006-01-19 Jeff Law <law@redhat.com>
4506 * tree-vrp.c (extract_range_from_assert): Refine the result range
4507 if the variable referenced by the ASSERT_EXPR has a range and
4508 either the tentative result range or the previous range is a
4511 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4513 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
4515 2006-01-19 Jan Hubicka <jh@suse.cz>
4517 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
4519 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
4521 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
4522 (expand_compound_operation, expand_field_assignment): Fail if the
4523 bit lengths of an extract operation are out of range.
4524 (make_extraction): Compute wanted_inner_mode based on the position
4525 and length of the extraction. Make it extraction_mode for non-constant
4526 positions, and do not modify offset in that case. When generating a
4527 new MEM, use a mode that can hold the extraction while keeping correct
4528 alignment. Remove code that supported MEMs wrapped by USEs.
4529 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
4531 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
4533 * config/s390/s390.md ("Y", "y"): New mode attribute.
4534 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
4535 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
4536 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
4537 "*addsi3_imm_cc", "*addsi3_carry1_cc",
4538 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
4539 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
4540 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
4541 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
4542 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
4543 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
4544 "addsi3", "subsi3"): Insn patterns removed.
4545 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
4546 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
4547 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
4548 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
4549 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
4550 "*sub<mode>3_cconly2"): New insn patterns.
4551 ("addsi3", "subsi3"): New expanders.
4553 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
4555 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
4556 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
4557 existing STMT_VINFO_VECTYPE if available.
4558 (vect_mark_relevant): Add special handling for stmts that are
4559 marked as STMT_VINFO_IN_PATTERN_P.
4560 (vect_analyze_loop): Call vect_pattern_recog.
4561 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
4562 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
4564 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
4565 (vect_recog_func_ptr): New function-pointer type.
4566 * tree-vect-patterns.c: New file.
4567 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
4568 (vect_recog_dot_prod_pattern, vect_pattern_recog):
4569 (vect_pattern_recog_1): New functions.
4570 (vect_pattern_recog_funcs): New array of function pointers.
4572 * tree-vectorizer.h (ternary_op): New enum value.
4573 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
4574 declaration. Revised documentation. Removed redundant dump prints.
4575 Removed redundant argument. Added support for reduction patterns.
4576 (vectorizable_reduction): Added support for reduction patterns.
4577 (vect_transform_stmt): Added support for patterns.
4579 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
4580 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
4581 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
4582 (expand_widen_pattern_expr): New function.
4583 (init_optabs): Initialize new optabs udot_prod_optab,
4585 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
4586 (sdot_prod_optab, udot_prod_optab): Define new optabs.
4587 (expand_widen_pattern_expr): New function declaration.
4588 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
4590 * tree-inline.c (estimate_num_insns_1): Added cases for new
4591 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4592 * tree-pretty-print.c (dump_generic_node): Likewise.
4593 (op_prio): Likewise.
4594 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4595 * tree-ssa-operands.c (get_expr_operands): Added case for
4597 * tree-vect-patterns.c (widened_name_p): New function.
4598 (vect_recog_dot_prod_pattern): Added function implementation.
4599 * tree-vect-transform.c (get_initial_def_for_reduction): Added
4600 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
4601 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
4602 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
4604 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
4605 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
4606 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
4607 (init_optabs): Initialize new optabs widen_ssum_optab,
4609 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
4610 (widen_ssum_optab, widen_usum_optab): Define new optabs.
4611 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
4612 use instead of type of def.
4613 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
4614 function implementation.
4615 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
4616 widen_ssumv8hi): New.
4618 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
4621 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4624 * c-decl.c (add_flexible_array_elts_to_size): New function.
4625 (finish_decl): Use it.
4627 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
4629 * diagnostic.h: Include options.h.
4630 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
4631 dependancies for diagnostic.h.
4632 * Makefile.in (DIAGNOSTIC_H): Add options.h.
4634 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
4636 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
4637 (ssa_ro_call_cache_valid): Ditto.
4638 * tree-ssa-alias.c (sort_tags_by_id): New function.
4639 (init_transitive_clobber_worklist): Ditto.
4640 (add_to_worklist): Ditto.
4641 (mark_aliases_call_clobbered): Ditto.
4642 (compute_tag_properties): Ditto.
4643 (set_initial_properties): Ditto.
4644 (compute_call_clobbered): Ditto.
4645 (compute_may_aliases): Call compute_call_clobbered and grouping.
4646 (compute_flow_sensitive_aliasing): Remove clobbering related code.
4647 (compute_flow_insensitive_aliasing): Grouping now happens in our
4649 (setup_pointers_and_addressables): Remove clobbering related code.
4650 (add_may_alias): Ditto.
4651 (replace_may_alias): Ditto.
4652 (get_nmt_for): Ditto.
4653 (create_global_var):
4654 (is_escape_site): Return an escape_type enumeration.
4655 * tree-flow-inline.h (is_call_clobbered): Global var does not
4656 imply call clobbered.
4657 (mark_call_clobbered): Take a reason for marking this. Remove
4658 marking of globalness, and cache invalidation.
4659 (clear_call_clobbered): Remove cache invalidation code.
4660 * tree-dfa.c (dump_variable): If details is on, dump the reason
4662 * tree-outof-ssa.c (create_temp): Copy escape mask from original
4664 * tree-flow.h (struct ptr_info_def): Add escape mask member.
4665 (struct var_ann_d): Ditto.
4666 (enum escape_type): New.
4667 (mark_call_clobbered): Adjust prototype.
4668 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
4669 are never call clobbered.
4670 Record reasons for escaping.
4671 * tree-ssa-structalias.h (is_escape_site): Update prototype.
4672 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
4673 (ssa_ro_call_cache_valid): Ditto.
4674 (clobbered_v_may_defs): Ditto.
4675 (clobbered_vuses): Ditto.
4676 (ro_call_vuses): Ditto.
4677 (clobber_stats): New.
4678 (init_ssa_operands): Zero out clobber stats.
4679 (fini_ssa_operands): Print out clobber stats.
4680 (get_call_expr_operands): Pass callee fndecl to
4682 (add_call_clobber_ops): Remove use of cache.
4683 Add use of PURE_CONST information.
4684 (add_call_read_ops): Remove use of cache.
4685 Add use of static not_read information.
4687 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
4689 Introduce TLS descriptors for i386 and x86_64.
4690 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
4691 (TARGET_ANY_GNU_TLS): New macro.
4692 (enum tls_dialect): Added TLS_DIALECT_GNU2.
4693 (struct machine_function): Add tls_descriptor_call_expanded_p.
4694 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
4695 (ix86_current_function_calls_tls_descriptor): Likewise.
4696 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
4697 (override_options): Introduce gnu2 tls dialect.
4698 (ix86_frame_pointer_required): Functions containing TLSCALLs are
4700 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
4702 (legitimize_tls_address): Adjust logic for GNU2 TLS.
4703 (ix86_init_machine_status): Initialize new field.
4704 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
4705 (ix86_tls_module_base): New.
4706 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
4707 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
4708 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
4709 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
4710 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
4711 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
4712 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
4713 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
4714 * config/i386/predicates.md (tls_modbase_operand): New.
4715 (tp_or_register_operand): New.
4717 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
4719 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
4720 (look_for_address_of): Ditto.
4721 (ipa_init): Walk the function decls.
4722 (static_execute): Don't set readonly on FUNCTION_DECL's.
4724 2006-01-18 Roger Sayle <roger@eyesopen.com>
4726 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
4727 for shifts where the source and destination registers are different.
4729 2006-01-18 Paul Brook <paul@codesourcery.com>
4731 Merge from csl-arm-branch.
4732 2005-03-14 Julian Brown <julian@codesourcery.com>
4733 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
4734 (aeabi_llsl): Likewise.
4735 (ashrdi3): Likewise.
4736 (aeabi_lasr): Likewise.
4737 (lshrdi3): Likewise.
4738 (aeabi_llsr): Likewise.
4739 2005-03-10 Julian Brown <julian@codesourcery.com>
4740 * config.gcc: Disable shared libgcc for SymbianOS.
4741 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
4743 2006-01-18 DJ Delorie <dj@redhat.com>
4745 * c-pragma.c (handle_pragma_diagnostic): New.
4746 (init_pragma): Register it.
4747 * doc/extend.texi: Document it.
4749 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
4750 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
4751 (diagnostic_context): Add classify_diagnostic[].
4752 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
4753 as errors if they're overridden to DK_WARNING.
4754 (diagnostic_initialize): Initialize classify_diagnostic[].
4755 (diagnostic_set_kind_override): New.
4756 (diagnostic_report_diagnostic): Check for kind changes.
4757 * opts.c (common_handle_option): Take lang_mask. Update callers.
4759 * common.opt (Werror=): New.
4760 * doc/invoke.texi: Document -Werror=*
4762 2006-01-18 Jeff Law <law@redhat.com>
4764 * tree-vrp.c (test_for_singularity): Correct test for new
4765 min limit. Use operand_equal_p rather than pointer equality
4766 for testing if new min/max values are equal.
4768 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
4769 using range information until after propagation and folding.
4771 2006-01-18 Richard Henderson <rth@redhat.com>
4772 Aldy Hernandez <aldyh@redhat.com>
4773 Jakub Jelinek <jakub@redhat.com>
4774 Diego Novillo <dnovillo@redhat.com>
4776 * omp-low.c: New file.
4777 * c-omp.c: New file.
4779 2006-01-18 Richard Henderson <rth@redhat.com>
4780 Jakub Jelinek <jakub@redhat.com>
4781 Diego Novillo <dnovillo@redhat.com>
4783 * doc/invoke.texi: Document -fopenmp.
4784 * tree-dump.h (debug_function): Declare.
4785 * hooks.c (hook_bool_tree_bool_false): New function.
4786 (hook_tree_tree_null): Remove.
4787 (hook_tree_tree_tree_null): New.
4788 * hooks.h: Update to match.
4789 * tree-pretty-print.c (debug_tree_chain): New.
4790 (print_generic_expr): Handle TDF_CHAIN.
4791 (dump_generic_node): Handle BLOCK.
4792 Do not abort with incomplete SWITCH_EXPRs.
4793 Do not dump body of an OpenMP directive if TDF_SLIM is given.
4794 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
4795 print space after directive name.
4796 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
4797 Handle OMP_MASTER and OMP_ORDERED.
4798 Handle printing of OMP_BODY just in one place, goto
4799 dump_omp_body in the rest of OMP_* nodes that have
4801 Don't handle clause nodes here. Update omp statements to
4802 use dump_omp_clauses.
4803 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
4804 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
4805 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
4806 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
4807 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
4808 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
4809 Adjust output for GOMP_PARALLEL.
4810 (dump_omp_clauses): New.
4811 (print_declaration): Dump DECL_VALUE_EXPR.
4812 (op_symbol_1): Split out of op_symbol.
4813 (dumping_stmts): Remove. Update all users.
4814 * cgraph.c (cgraph_analyze_queue): New.
4815 (cgraph_add_new_function): New.
4816 * cgraph.h (cgraph_analyze_queue): Declare.
4817 (cgraph_add_new_function): Declare.
4818 (cgraph_lower_function): Remove.
4819 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
4820 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
4821 and TYPE_P nodes in its default clause.
4822 (empty_body_p): New.
4823 (tree_range_check_failed): New.
4825 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
4826 OMP_CLAUSE_REDUCTION_MERGE,
4827 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
4828 OMP_CLAUSE_PRIVATE_DEBUG,
4829 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
4830 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
4831 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
4832 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
4833 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
4834 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
4835 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
4836 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
4837 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
4838 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
4839 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
4840 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
4841 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
4842 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
4843 (TREE_RANGE_CHECK): New.
4844 (empty_body_p): Declare.
4845 (enum omp_clause_default_kind): New.
4846 (build_string_literal): Declare.
4847 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
4848 (build5_stat, build5): Declare.
4849 * tree-pass.h (TDF_CHAIN): Define.
4850 * tree-pass.h (PROP_gimple_lomp): Define.
4851 (pass_lower_omp): Declare.
4852 * diagnostic.h (debug_tree_chain): Declare.
4853 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
4855 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
4856 * builtins.c (build_string_literal): Make extern.
4857 * gcc.c (include_spec_function): New.
4858 (static_spec_functions): Add it.
4859 (main): Move load of libgomp.spec ...
4860 (LINK_COMMAND_SPEC): ... here.
4861 (link_gomp_spec): New.
4862 (static_specs): Include it.
4863 (LINK_COMMAND_SPEC): Add link_gomp.
4864 (GOMP_SELF_SPECS): New.
4865 (driver_self_specs): Include it.
4866 (switch_matches): Don't mark inline.
4867 (main): Load libgomp.spec.
4868 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
4869 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
4870 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
4871 * tree-gimple.h (enum omp_parallel): Declare.
4872 (determine_parallel_type): Declare.
4873 (omp_firstprivatize_variable): Declare.
4874 (omp_reduction_init): Declare.
4875 (diagnose_omp_structured_block_errors): Declare.
4876 (struct walk_stmt_info): Add want_return_expr.
4877 (struct walk_stmt_info): Add want_bind_expr, want_locations.
4878 (find_omp_clause): Declare.
4879 (insert_field_into_struct): Declare.
4880 (struct walk_stmt_info): Move from tree-nested.c
4881 (walk_stmts): Declare.
4882 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
4884 * cgraphunit.c (cgraph_lower_function): Make static.
4885 (cgraph_finalize_pending_functions): New.
4886 (cgraph_finalize_function): Call it.
4887 (cgraph_finalize_compilation_unit): Likewise.
4888 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
4889 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
4890 (BT_FN_UINT_UINT): New.
4891 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
4892 DEF_FUNCTION_TYPE_VAR_4): Document.
4893 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
4894 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
4895 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
4896 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
4897 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
4898 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
4899 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
4900 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
4901 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
4902 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
4903 into separate files.
4904 (DEF_GOMP_BUILTIN): New.
4905 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
4906 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
4907 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
4908 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
4909 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
4910 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
4911 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
4912 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
4913 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
4914 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
4915 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
4916 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
4917 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
4918 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
4919 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
4920 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
4921 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
4922 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
4923 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
4924 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
4925 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
4926 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
4927 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
4928 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
4929 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
4930 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
4931 * sync-builtins.def: New file, moved from builtins.def.
4932 * omp-builtins.def: New file, moved from builtins.def.
4933 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
4934 * gimple-low.c (lower_function_body): Clear data.
4935 (lower_stmt): Do not handle COMPOUND_EXPR.
4936 Remove call to print_node_brief.
4937 * c-tree.h (c_finish_omp_clauses): New prototype.
4938 (C_DECL_THREADPRIVATE_P): Define.
4939 (lookup_name_no_remap, c_omp_remap_private): Remove
4940 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
4941 (check_for_loop_decls): Update decl.
4942 (lookup_name_no_remap, c_omp_remap_private): Declare.
4943 (build_indirect_ref, build_modify_expr, pushdecl,
4944 pushdecl_top_level): Move to c-common.h.
4945 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
4946 before the switch, but just in the 2 places that need it.
4947 * c-decl.c (diagnose_mismatched_decls): Do not check for
4948 mismatched thread-local attributes when OLDDECL is marked
4949 threadprivate and NEWDECL has no thread-local attributes.
4950 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
4951 (c_gimple_diagnostics_recursively): Rename from
4952 c_warn_unused_result_recursively. Invoke
4953 diagnose_omp_structured_block_errors.
4954 (check_for_loop_decls): Return a singular decl found.
4955 * langhooks.c (lhd_omp_predetermined_sharing): Return
4956 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
4957 (lhd_omp_firstprivatize_type_sizes): New.
4958 (lhd_omp_assignment): New.
4959 (lhd_omp_predetermined_sharing): New.
4960 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
4961 (struct lang_hooks_for_types): Add
4962 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
4963 omp_predetermined_sharing, omp_disregard_value_expr,
4964 omp_private_debug_clause, omp_clause_default_ctor,
4965 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
4966 (c_finish_omp_clauses): New.
4967 (c_finish_bc_stmt): Diagnose break within omp for.
4968 (c_begin_omp_parallel, c_finish_omp_parallel): New.
4969 (build_unary_op): Return error_mark after reporting
4971 (build_modify_expr): Likewise.
4972 * gimplify.c: Include optabs.h and pointer-set.h.
4973 (enum gimplify_omp_var_data): Declare.
4974 (struct gimplify_omp_ctx): Declare.
4975 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
4977 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
4978 (push_gimplify_context, pop_gimplify_context): Allow nesting.
4979 (splay_tree_compare_decl_uid): New.
4980 (new_omp_context): New.
4981 (delete_omp_context): New.
4982 (gimple_add_tmp_var): Call omp_add_variable.
4983 (gimplify_bind_expr): Likewise.
4984 (gimplify_var_or_parm_decl): If omp_notice_variable returned
4985 true, disregard DECL_VALUE_EXPR on the decl if any.
4986 (gimplify_expr_in_ctx): New.
4987 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
4988 omp_add_variable, omp_notice_variable, omp_is_private
4989 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
4990 gimplify_adjust_omp_clauses, gimplify_omp_parallel
4991 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
4992 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
4993 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
4994 gimplify_omp_atomic): New.
4995 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
4996 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
4997 OMP_CRITICAL and OMP_ATOMIC.
4998 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
4999 * c-pragma.h (enum pragma_kind): Add
5000 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
5001 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
5002 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
5003 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
5004 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
5005 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
5006 PRAGMA_OMP_THREADPRIVATE.
5007 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5008 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5009 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
5010 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
5011 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
5012 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
5013 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
5014 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
5015 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
5016 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
5017 * tree-ssa-dce.c (find_control_dependence): Do not assume that
5018 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
5019 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
5021 (struct nesting_info): Add field_map,
5022 suppress_expansion, debug_var_chain.
5023 (create_nesting_tree): Initialize them.
5024 (lookup_field_for_decl): Use field_map.
5025 (get_nonlocal_debug_decl, get_local_debug_decl): New.
5026 (convert_local_omp_clauses): New.
5027 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
5028 (walk_body): Split out of walk_function.
5029 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
5030 (convert_nonlocal_reference): Handle omp statements.
5031 (convert_local_reference): Likewise.
5032 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
5033 (unnest_nesting_tree): New.
5034 (lower_nested_functions): Call it.
5035 (insert_field_into_struct): Make extern.
5036 (struct walk_stmt_info): Move to tree-gimple.h.
5037 (walk_stmts): Make extern.
5038 * omp-builtins.def: New file.
5039 * tree-iterator.c (expr_only): Clarify comment.
5040 * c-common.h (pushdecl_top_level, pushdecl,
5041 build_modify_expr, build_indirect_ref,
5042 c_finish_omp_master, c_finish_omp_critical,
5043 c_finish_omp_ordered, c_finish_omp_barrier,
5044 c_finish_omp_atomic, c_finish_omp_flush,
5045 c_finish_omp_for, c_split_parallel_clauses,
5046 omp_clause_default_kind, c_omp_sharing_predetermined,
5047 c_omp_remap_decl): Declare.
5048 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
5049 (OBJS-common): Add omp-low.o.
5050 (c-omp.o, omp-low.o): Add.
5051 (gimplify.o): Add dependency on $(OPTABS_H).
5052 (GTFILES): Add omp-low.c.
5053 (gt-stringpool.h): Add.
5054 * tree-cfg.c (set_bb_for_stmt): Do not update the
5055 block-to-labels map if we are currently expanding to RTL.
5056 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
5058 Handle IDENTIFIER_NODE.
5059 (tree_verify_flow_info): Do not ICE when emitting error
5060 messages about invalid labels.
5061 (dump_function_to_file): Reset CFUN before emitting the body
5063 (debug_function): New.
5064 * passes.c (init_optimization_passes): Schedule
5066 * langhooks-def.h (lhd_omp_predetermined_sharing,
5067 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
5069 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
5070 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
5071 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
5072 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
5073 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
5074 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
5075 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
5076 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
5077 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
5078 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
5079 (LANG_HOOK_DECLS): Use them.
5081 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
5082 Richard Henderson <rth@redhat.com>
5083 Jakub Jelinek <jakub@redhat.com>
5084 Diego Novillo <dnovillo@redhat.com>
5086 * c-parser.c (pragma_omp_clause): Define.
5087 (c_parser_declaration_or_fndef): Document OpenMP syntax.
5088 (c_parser_compound_statement): Likewise.
5089 (c_parser_statement): Likewise.
5090 (c_parser_pragma): Handle omp pragmas.
5091 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
5092 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
5093 (c_parser_omp_clause_name, check_no_duplicate_clause,
5094 c_parser_omp_variable_list,
5095 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
5096 c_parser_omp_clause_copyprivate,
5097 c_parser_omp_clause_default,
5098 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
5099 c_parser_omp_clause_lastprivate,
5100 c_parser_omp_clause_nowait,
5101 c_parser_omp_clause_num_threads,
5102 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
5103 c_parser_omp_clause_reduction,
5104 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
5105 c_parser_omp_all_clauses, c_parser_omp_structured_block,
5106 c_parser_omp_atomic, c_parser_omp_barrier,
5107 c_parser_omp_critical, c_parser_omp_flush,
5108 c_parser_omp_for_loop, c_parser_omp_for,
5109 c_parser_omp_master, c_parser_omp_ordered,
5110 c_parser_omp_sections_scope, c_parser_omp_sections,
5111 c_parser_omp_parallel, c_parser_omp_single,
5112 c_parser_omp_construct, c_parser_omp_threadprivate): New.
5113 * c-pragma.c (init_pragma): Do omp pragma registration here.
5114 * c.opt (fopenmp): New flag.
5116 2006-01-18 Eric Christopher <echristo@apple.com>
5118 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
5119 * config/darwin.h (GOMP_SELF_SPECS): Define.
5121 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5123 * rtl.h: Remove the prototype for reg_alloc.
5125 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5128 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
5129 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
5130 sjlj and dwarf2 exception handling.
5131 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
5132 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
5133 * pa/pa.c (function_value): Treat complex and vector types as
5135 (function_arg): Likewise. Only pass scalar floats in the floating
5136 point argument registers.
5137 * pa/t-slibgcc-dwarf-ver: New file.
5138 * pa/t-slibgcc-sjlj-ver: New file.
5139 * pa/t-slibgcc-elf-ver: Delete file.
5141 2006-01-19 Alan Modra <amodra@bigpond.net.au>
5143 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
5144 unlikely_test_section_p test.
5146 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5148 * mode-switching.c (optimize_mode_switching): Make it static.
5149 * basic-block.h: Remove the prototype for
5150 optimize_mode_switching.
5152 * modulo-sched.c (sms_schedule): Make it static.
5153 * rtl.h: Remove the prototype for sms_schedule.
5155 * postreload-gcse.c (gcse_after_reload_main): Make it static.
5156 * rtl.h: Remove the prototype for gcse_after_reload_main.
5158 * reg-stack.c (reg_to_stack): Make it static.
5159 * rtl.h: Remove the prototype for reg_to_stack.
5161 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
5163 * rtl.h: Remove the prototypes for regrename_optimize and
5164 copyprop_hardreg_forward.
5166 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
5168 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
5169 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
5170 Test against the appropriate null constant for the mode.
5171 If 'fixup_overlap' is true, swap the operands if they overlap.
5172 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
5173 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
5174 alpha_split_tmode_pair and adjust for above change.
5175 * config/alpha/alpha.md (movtf_internal): Adjust call to
5176 alpha_split_tfmode_pair and rely on it to swap the operands.
5177 (movti_internal): New insn and post-reload splitter.
5178 (movti): New expander.
5180 2006-01-18 Philippe De Muyter <phdm@macqel.be>
5182 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
5185 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5187 * rtlanal.c (global_reg_mentioned_p_1,
5188 global_reg_mentioned_p): Remove.
5189 * rtl.h: Remove the prototype for global_reg_mentioned_p.
5191 * flow.c (initialize_uninitialized_subregs): Make it static.
5192 * rtl.h: Remove the prototype for
5193 initialize_uninitialized_subregs.
5195 * function.c (instantiate_virtual_regs): Make it static.
5196 * function.h: Remove the prototype for
5197 instantiate_virtual_regs.
5199 * regmove.c (regmove_optimize, combine_stack_adjustments):
5201 * rtl.h: Remove the prototypes for regmove_optimize and
5202 combine_stack_adjustments.
5204 2006-01-17 Roger Sayle <roger@eyesopen.com>
5206 * config/i386/i386.c (COSTS_N_BYTES): New macro.
5207 (size_cost): Encode costs in bytes so that a reg-reg addition is
5208 equivalent to COSTS_N_INSNS(1).
5209 (override_options): Use the size_cost.branch_cost as the default
5210 ix86_branch_cost when optimizing for size.
5212 2006-01-18 Ben Elliston <bje@au.ibm.com>
5214 * Makefile.in (D32PBIT_FUNCS): New.
5215 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
5216 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
5217 D64PBIT_FUNCS and D128PBIT_FUNCS.
5218 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
5219 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
5221 (decnumber_dep): Define.
5222 * doc/libgcc.texi (Decimal float library routines): New node.
5223 * config/dfp-bit.h, config/dfp-bit.c: New files.
5225 2006-01-18 Ben Elliston <bje@au.ibm.com>
5227 * expr.c (emit_move_change_mode): Always adjust addresses, not
5228 just during reload. Copy replacements only during reload.
5229 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
5230 emit_move_via_integer.
5232 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
5234 * Makefile.in (check-%, check-consistency): Use $${srcdir}
5235 instead of $(srcdir) and ${srcdir}.
5237 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
5241 * arm.h (struct machine_function): Add pic_reg.
5242 * arm.c (arm_pic_register): Make unsigned.
5243 (arm_override_options): Only set arm_pic_register if
5244 TARGET_SINGLE_PIC_BASE.
5245 (use_return_insn): Only test for a pic register if it is fixed.
5246 (arm_compute_save_reg0_reg12_mask): Likewise.
5247 (thumb_compute_save_reg_mask): Likewise.
5248 (legitimate_pic_operand): Factor out some known invariants.
5249 (legitimize_pic_address): If we don't have a fixed pic register,
5250 then set up a pseudo in the function entry sequence. Handle the
5251 pic base being in a pseudo.
5252 (arm_load_pic_register): Handle the pic register being in a pseudo.
5253 (arm_expand_prologue): Only set up the pic register if it is fixed.
5254 (thumb_expand_prologue): Likewise.
5255 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
5256 (pic_load_addr_based_insn): Likewise.
5257 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
5260 2006-01-18 Ben Elliston <bje@au.ibm.com>
5262 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
5263 decimal float modes for all floating point registers.
5265 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
5266 match_code "mem" with match_test "macho_lo_sum_memory_operand".
5268 2006-01-17 Jakub Jelinek <jakub@redhat.com>
5271 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
5272 even when the pointer is not NULL.
5274 2006-01-16 Ian Lance Taylor <ian@airs.com>
5276 * common.opt (ftoplevel-reorder): New option.
5277 * cgraph.c (cgraph_asm_nodes): New global variable.
5278 (cgraph_asm_last_node): New static variable.
5279 (cgraph_order): New global variable.
5280 (cgraph_create_node): Set new order field.
5281 (cgraph_varpool_node): Likewise.
5282 (decide_is_variable_needed): Return true if not
5283 flag_toplevel_reorder.
5284 (cgraph_add_asm_node): New function.
5285 * cgraph.h (struct cgraph_node): Add order field.
5286 (struct cgraph_varpool_node): Add order field.
5287 (struct cgraph_asm_node): Define.
5288 (cgraph_asm_nodes, cgraph_order): Declare.
5289 (cgraph_add_asm_node): Declare.
5290 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
5292 (cgraph_varpool_assemble_pending_decls): Call it.
5293 (cgraph_output_pending_asms): New static function.
5294 (cgraph_finalize_compilation_unit): Call it.
5295 (struct cgraph_order_sort): Define.
5296 (cgraph_output_in_order): New static function.
5297 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
5298 !flag_toplevel_reorder case.
5299 * c-parser.c: Include "cgraph.h".
5300 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
5302 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
5303 than -fno-unit-at-a-time.
5304 * doc/invoke.texi (Option Summary): Mention
5305 -fno-toplevel-reorder.
5306 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
5307 -funit-at-a-time documentation.
5309 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
5310 Kazu Hirata <kazu@codesourcery.com>
5312 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
5314 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
5316 * Makefile.in (FUNCTION_H): New. Use it instead of
5317 function.h throughout the file.
5318 * function.h: Include tree.h.
5320 2006-01-17 Ben Elliston <bje@au.ibm.com>
5322 * recog.c: Separate some functions with whitespace.
5324 2006-01-16 Richard Henderson <rth@redhat.com>
5326 Merge from gomp branch:
5327 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
5328 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
5329 and rename from struct inline_data. Rename callee* to dst*;
5330 caller* to src*; add copy_decl hook, transform_call_graph_edges,
5331 transform_new_cfg, transform_return_to_modify, and
5332 transform_lang_insert_block flags; remove cloning_p, versioning_p,
5334 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
5335 (copy_decl_for_dup): Remove.
5336 * tree-inline.c (struct inline_data): Move to header.
5337 (insert_decl_map): Export.
5338 (remap_decl): Update for member name changes. Use copy_decl hook.
5339 Allow for replacement to be a non-decl. Remove dead code.
5340 (remap_type_1): Check for existing mapping.
5341 (remap_type): Export.
5342 (remap_decls): Update for member name changes.
5343 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
5344 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
5345 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
5346 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
5347 (tree_function_versioning, build_duplicate_type): Likewise.
5348 (copy_body_r): Likewise. Export.
5349 (copy_decl_for_dup): Split into ...
5350 (copy_decl_for_dup_finish, copy_decl_to_var,
5351 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
5352 (replace_ref_tree, inlining_p): Remove.
5354 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5356 * ifcvt.c (if_convert): Make it static.
5357 * rtl.h: Remove the prototype for if_convert.
5359 * local-alloc.c (local_alloc): Make it static.
5360 * rtl.h: Remove the prototype for local_alloc.
5362 * loop.c (loop_optimize): Make it static.
5363 * cfgloop.h: Remove the prototype for loop_optimize.
5366 2006-01-16 DJ Delorie <dj@redhat.com>
5368 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
5371 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5373 * pa.md: Disparage copies between general and floating-point registers
5374 in 32-bit move patterns.
5376 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
5379 * Makefile.in (check-%): Depend on site.exp instead of
5380 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
5383 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5385 * global.c (global_alloc): Make it static.
5386 * rtl.h: Remove the prototype for global_alloc.
5388 2006-01-16 Richard Guenther <rguenther@suse.de>
5390 * tree-ssa-alias.c (struct used_part): Add write_only field.
5391 (get_or_create_used_part_for): Initialize it to true.
5392 (create_overlap_variables_for): Don't create structure variables
5393 for structures that only are written to.
5394 (find_used_portions): Handle MODIFY_EXPR to track whether a
5395 structure is only written to.
5397 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5399 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
5401 * basic-block.h: Remove the prototype for
5402 partition_hot_cold_basic_blocks.
5404 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
5406 * cppspec.c (lang_specific_spec_functions): Remove.
5407 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
5408 * gcc.h (lang_specific_spec_functions): Remove.
5409 * gccspec.c (lang_specific_spec_functions): Remove.
5411 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
5413 * combine.c (record_value_for_reg): Invalidate registers
5415 (record_dead_and_set_regs_1): Likewise, by passing them to
5416 record_value_for_reg.
5417 (record_dead_and_set_regs): Invalidate stores made by a
5418 call. We do not combine across a call, but we still
5419 relied on equivalences.
5421 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5423 * tree-vrp.c (extract_range_from_binary_expr): Cope with
5424 vrp_int_const_binop returning non-constant nodes.
5426 2006-01-16 Paul Brook <paul@codesourcery.com>
5428 * config/m68k/m68k.c (output_move_const_into_data_reg):
5429 Output correct mnemonic for mvz and mvs.
5431 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
5433 * rtl-factoring.c: Add sequence abstraction algorithm.
5434 * cfgcleanup.c (outgoing_edges_match): Extra checks.
5435 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
5437 (block_has_preserve_label): New function.
5438 * common.opt: Register new pass.
5439 * Makefile.in: Ditto.
5441 * timevar.def: Ditto.
5442 * tree-pass.h: Ditto.
5443 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
5444 * rtl.h (make_jump_insn_raw): Add forward decl.
5445 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
5447 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5448 Roger Sayle <roger@eyesopen.com>
5450 * fold-const.c (fold_minmax): New static function.
5451 (fold_binary) <MIN_EXPR>: Call it.
5452 <MAX_EXPR>: Likewise.
5453 * stor-layout.c (place_field): Use DECL_SIZE consistently
5454 in the computation of the new record size.
5456 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5458 * cse.c (cse_condition_code_reg): Make it static.
5459 * rtl.h: Remove the prototype for cse_condition_code_reg.
5461 * combine.c (combine_instructions): Make it static.
5462 * rtl.h: Remove the prototype for combine_instructions.
5464 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5467 * tree.c (get_file_function_name_long): Concatenate the first global
5468 object name with a string derived from the input filename of the object
5471 2006-01-16 Ben Elliston <bje@au.ibm.com>
5473 * config/i386/winnt-stubs.c: Update FSF address.
5474 * config/xtensa/ieee754-df.S: Ditto.
5475 * config/xtensa/ieee754-sf.S: Ditto.
5477 2006-01-14 Ian Lance Taylor <ian@airs.com>
5479 * ifcvt.c (noce_init_if_info): New static function, broken out of
5480 noce_process_if_block.
5481 (noce_process_if_block): Call noce_init_if_info.
5482 (check_cond_move_block): New static function.
5483 (cond_move_process_if_block): New static function.
5484 (process_if_block): Call cond_move_process_if_block.
5486 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
5488 * cselib.c (hash_table): Rename to cselib_hash_table.
5489 (cselib_clear_table, discard_useless_values,
5490 remove_useless_values, cselib_lookup_mem, cselib_lookup,
5491 cselib_init, cselib_finish): Adjust uses of hash_table.
5493 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
5495 PR tree-optimization/25485
5496 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
5497 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
5498 is known to be false and true, respectively.
5500 2006-01-14 Richard Guenther <rguenther@suse.de>
5502 PR tree-optimization/22548
5503 PR tree-optimization/22555
5504 PR tree-optimization/22501
5505 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
5506 * params.def (salias-max-array-elements): New parameter.
5507 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
5508 * doc/invoke.texi (salias-max-array-elements): Document.
5509 * tree-flow-inline.h (var_can_have_subvars): We also handle
5511 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
5513 * tree-ssa-structalias.c (params.h): Include.
5514 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
5515 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
5516 (get_constraint_for): For ADDR_EXPR operating on something
5517 containing an ARRAY_REF, add all subvars to the solution.
5518 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
5519 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
5520 for creating MUST_DEFs.
5521 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
5523 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
5525 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
5527 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
5528 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5529 number_of_iterations_le): New functions.
5530 (number_of_iterations_special): Removed.
5531 (number_of_iterations_exit): Do not use number_of_iterations_special.
5532 * tree.c (unsigned_type_for): Always return integer type.
5534 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
5535 Richard Guenther <rguenther@suse.de>
5537 PR rtl-optimization/24257
5538 * gcse.c (find_moveable_store): Only consider a store movable
5539 when the SET_SRC of the insn can be assigned to a register.
5541 2006-01-14 Ian Lance Taylor <ian@airs.com>
5543 * tree.c (tree_not_class_check_failed): New function.
5544 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
5545 (tree_not_class_check_failed): Declare.
5547 2006-01-13 Ian Lance Taylor <ian@airs.com>
5549 * reload1.c (do_output_reload): Add assertion rejecting a
5552 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
5554 * combine.c (struct reg_stat): Add new fields truncation_label and
5556 (record_value_for_reg): Reset truncated_to_mode.
5557 (record_truncated_value): New function.
5558 (check_promoted_subreg): Call it. Rename to check_conversions.
5559 (combine_instructions): Rename check_promoted_subreg to
5561 (reg_truncated_to_mode): New function.
5562 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
5563 (gen_lowpart_or_truncate): New function.
5564 (force_to_mode): Use it instead of gen_lowpart.
5566 2006-01-13 Diego Novillo <dnovillo@redhat.com>
5568 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
5569 VAR is a tag, not its type tag.
5571 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
5573 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
5574 alternatives to match style of other entries.
5575 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
5577 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
5579 PR tree-optimization/25771
5580 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
5583 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
5586 * tree-inline.c (declare_return_variable): If the return variable
5587 was marked as a non gimple complex, set the return slot variable
5588 to be a non gimple comple variable.
5590 2006-01-13 Richard Guenther <rguenther@suse.de>
5592 * builtins.c (expand_builtin_sincos): New function.
5593 (expand_builtin_mathfn_3): Remove dead code, sin and cos
5595 (expand_builtin): Expand sincos using expand_builtin_sincos.
5597 2006-01-12 DJ Delorie <dj@redhat.com>
5599 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
5600 shift counts, separate SI shifts for m32c vs m16c, pass shift type
5601 so that constant shifts can be split.
5602 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
5603 (m32c_valid_pointer_mode): Make static.
5604 (shift_gen_func_for): New.
5605 (m32c_prepare_shift): Use it. Split large const shifts into
5607 * config/m32c/predicates.md (shiftcount_operand): Allow more
5609 (longshiftcount_operand): New.
5610 * doc/md.texi (Machine Constraints): Document In6.
5612 2006-01-13 Ben Elliston <bje@au.ibm.com>
5614 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
5615 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
5618 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
5620 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
5621 to try to avoid clobbering pieces of structures when we know
5622 something about the whole structure.
5623 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
5625 2006-01-13 Ben Elliston <bje@au.ibm.com>
5627 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
5628 return in memory, as this is no limitation is no longer present.
5630 2006-01-12 DJ Delorie <dj@redhat.com>
5632 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
5633 mova with fb, and for fb+0 -> An.
5635 * config/m32c/mov.md (peephole2): Fix enabling logic.
5637 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
5638 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
5639 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
5640 FINI_ARRAY_SECTION_ASM_OP): Define.
5642 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
5644 (m32c_legitimize_reload_address): New logic to reload FB to An.
5645 (m32c_output_reg_push): Add newline.
5646 (m32c_output_reg_pop): Likewise.
5648 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
5650 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
5652 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
5654 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
5656 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5658 * config/sh/predicates.md (sh_rep_vec): Add parallel to
5661 2006-01-11 Ben Elliston <bje@au.ibm.com>
5663 * rtlanal.c (find_reg_note): Assert insn is not null.
5665 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
5667 * df-scan.c (df_hard_reg_init): Move declaration of i outside
5670 2006-01-11 Jeff Law <law@redhat.com>
5672 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
5674 (mark_threaded_blocks, register_jump_thread): New functions.
5675 (thread_through_all_blocks): Remove unwanted argument. No
5676 longer rely on e->aux to communicate thread target info.
5677 Call mark_threaded_blocks. Release the threaded_blocks
5678 bitmap and threaded_edges vector when complete.
5679 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
5680 (threaded_blocks): Remove.
5681 (tree_ssa_dominator_optimize): Remove initialization and
5682 finalization of threaded_blocks. Simplify call to
5683 thread_through_all_blocks.
5684 (thread_across_edge): Call register_jump_thread rather than
5685 storing thread information into e->aux.
5686 (free_all_edge_infos): Simplify now that e->aux is no longer
5687 used to communicate with thread_through_all_blocks.
5688 * tree-flow.h (thread_through_all_blocks): Update prototype.
5689 (register_jump_thread): Prototype.
5691 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5693 * df-core.c (df_compact_blocks, df_bb_replace): Use
5694 SET_BASIC_BLOCK instead of BASIC_BLOCK.
5696 2006-01-11 Richard Guenther <rguenther@suse.de>
5698 PR tree-optimization/25734
5699 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
5700 stop propagation after successful propagation to the LHS.
5702 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5704 * basic-block.h (control_flow_graph): Change the type of
5705 x_basic_block_info to VEC(basic_block,gc) *.
5706 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
5708 (SET_BASIC_BLOCK): New.
5709 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
5710 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
5711 * cfgbuild.c (find_basic_blocks): Likewise.
5712 * cfglayout.c (fixup_reorder_chain): Likewise.
5713 * cfgrtl.c (create_basic_block_structure,
5714 rtl_create_basic_block): Likewise.
5715 * ifcvt.c (find_if_case_1): Likewise.
5716 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
5719 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
5721 * Makefile.in: Removed rotted odf.c entry.
5723 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
5726 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
5727 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
5728 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
5729 output pattern modifier, not %e.
5730 * config/cris/cris.c (cris_op_str): Update comment about pattern
5732 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
5733 before falling through into...
5734 <case 'E'>: Redefined from old 'e' case.
5736 2006-01-11 Jan Hubicka <jh@suse.cz>
5739 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
5741 2006-01-11 Jan Hubicka <jh@suse.cz>
5743 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
5744 * i386.c (x86_decompose_lea): Kill.
5745 (ix86_rtx_costs): Kill.
5747 2006-01-11 Jan Hubicka <jh@suse.cz>
5749 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
5750 * cgraph.h (cgraph_node): Add inline_decl.
5751 (cgraph_insert_node_to_hashtable): Declare.
5752 (save_inline_function_body): Declare.
5753 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
5755 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
5756 (cgraph_function_versioning): Update call of tree_function_versioning.
5757 (save_inline_function_body): New function.
5758 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
5759 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
5760 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
5761 (cgraph_default_inline_p): Likewise.
5762 (cgraph_decide_inlining_incrementally): Likewise.
5763 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
5764 (copy_bb): Kill saving; do updating of clones.
5765 (copy_cfg_body): Kill saving.
5766 (initialize_inlined-parameters): Likewise.
5767 (expand_call_inline): Likewise.
5769 (tree_function_versioning): New parameter "update_clones".
5770 (inlining_p): Kill saving.
5771 * tree-inline.h (tree_function_versioning): Update prototype.
5772 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
5775 2006-01-11 Ian Lance Taylor <ian@airs.com>
5777 * combine.c (struct undo): Remove is_int. Enumify types of undos.
5778 Allow undoing set of machine mode.
5779 (do_SUBST): Use enums instead of is_int.
5780 (do_SUBST_MODE): New function.
5781 (SUBST_MODE): New macro.
5782 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
5783 reg and trying to replace reg_regno_rtx with a new register.
5784 (undo_all): Use new enums, handle undoing a PUT_MODE change.
5785 (simplify_set): Use SUBST_MODE.
5786 (distribute_notes): Remove code that tried to update reg notes
5787 for regno_reg_rtx changes.
5789 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
5791 PR tree-optimization/23109
5792 PR tree-optimization/23948
5793 PR tree-optimization/24123
5795 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
5796 * tree-cfg.c (single_noncomplex_succ): New.
5797 * tree-flow.h (single_noncomplex_succ): Declare it.
5798 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
5799 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
5800 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
5801 insert_bb, register_division_in, insert_reciprocals,
5802 replace_reciprocal, free_bb): New.
5803 (execute_cse_reciprocals_1): Rewritten.
5804 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
5805 Do not commit any edge insertion. Always compute dominators and
5806 create the allocation pool.
5807 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
5808 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
5809 * targhooks.c (default_min_divistions_for_recip_mul): New.
5810 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
5811 * passes.c (init_optimization_passes): Run recip after tree loop
5813 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
5815 2006-01-11 Danny Berlin <dberlin@dberlin.org>
5816 Kenneth Zadeck <zadeck@naturalbridge.com>
5818 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
5819 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
5820 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
5821 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
5822 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
5823 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
5824 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
5825 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
5826 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
5827 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
5828 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
5829 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
5830 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
5831 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
5832 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
5833 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
5834 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
5835 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
5836 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
5837 DF_SCAN_POST_ALLOC): New macros.
5838 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
5839 df_free_bb_function, df_local_compute_function, df_init_function,
5840 df_dataflow_function, df_confluence_function_0,
5841 df_confluence_function_n, df_transfer_function,
5842 df_finalizer_function, df_free_function, df_dump_problem_function,
5843 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
5844 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
5845 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
5846 df_urec_bb_info, ) New types.
5847 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
5849 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
5850 df_analyze_simple_change_some_blocks,
5851 df_analyze_simple_change_one_block, df_compact_blocks,
5852 df_bb_replace, df_bb_regno_last_use_find,
5853 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
5854 df_insn_regno_def_p, df_find_def, df_find_use,
5855 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
5856 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
5857 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
5858 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
5859 debug_df_chain, df_get_dependent_problem, df_chain_create,
5860 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
5861 df_grow_bb_info, df_chain_dump, df_print_bb_index,
5862 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
5863 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
5864 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
5865 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
5866 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
5867 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
5868 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
5869 df_ref_remove, df_insn_refs_delete, df_refs_delete,
5870 df_reorganize_refs, df_set_state, df_hard_reg_init,
5871 df_read_modify_subreg_p) New public functions.
5872 * df-core.c: The core dataflow solver and glue routines for rtl
5874 (df_init, df_add_problem, df_set_blocks, df_finish,
5875 df_hybrid_search_forward, df_hybrid_search_backward,
5876 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
5877 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
5878 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
5879 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
5880 df_reg_defined, df_find_use, df_reg_used, df_dump,
5881 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
5882 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
5883 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
5884 debug_df_useno, reset_df_after_reload): New functions.
5885 * df-scan.c: The scanning fuctions, once in df.c, completely
5886 rewritten so that they now fully model the functionality of
5887 register usage at the backend.
5888 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
5889 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
5890 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
5891 df_grow_insn_info, df_rescan_blocks, df_ref_create,
5892 df_get_artificial_defs, df_get_artificial_uses,
5893 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
5894 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
5895 df_refs_delete, df_reorganize_refs, df_set_state,
5896 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
5897 df_def_record_1, df_defs_record, df_uses_record,
5898 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
5899 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
5900 df_record_exit_block_uses, df_hard_reg_init): New functions.
5902 * df-problems.c: Seven concrete dataflow problems that use the
5903 scanning in df-scan.c and are solved by the engine in df-core.c.
5904 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
5905 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
5906 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
5907 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
5908 df_ru_free_bb_info, df_ru_alloc,
5909 df_ru_bb_local_compute_process_def,
5910 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
5911 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
5912 df_ru_transfer_function, df_ru_free, df_ru_dump,
5913 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
5914 df_rd_free_bb_info, df_rd_alloc,
5915 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
5916 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
5917 df_rd_transfer_function, df_rd_free, df_rd_dump,
5918 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
5919 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
5920 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
5921 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
5922 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
5923 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
5924 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
5925 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
5926 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
5927 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
5928 df_urec_mark_reg_change, df_urec_check_earlyclobber,
5929 df_urec_mark_reg_use_for_earlyclobber,
5930 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
5931 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
5932 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
5933 df_urec_dump, df_urec_add_problem, df_chain_alloc,
5934 df_chain_create_bb_process_use, df_chain_create_bb,
5935 df_chain_finalize, df_chain_free, df_chains_dump,
5936 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
5937 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
5938 df_reg_lifetime): New functions.
5939 * df.c: Deleted file.
5940 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
5941 consistent with new df api.
5942 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
5943 rest_of_handle_sms): Ditto.
5944 * web.c (unionfind_union, union_defs, entry_register, web_main):
5946 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
5947 invariant_expr_equal_p, find_defs, check_dependencies,
5948 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
5949 free_inv_motion_data, move_loop_invariants): Ditto.
5950 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
5951 Update dependencies.
5952 (odf.c): Added defective entry that was deleted later in day.
5953 * sched-deps.c (sched_analyze_1): Ditto.
5955 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
5957 * tree-ssa-operands.c (get_expr_operands): Record addressable
5958 variables directly. Do not call add_stmt_operands for CONST_DECLs
5960 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
5961 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
5963 2006-01-11 Ben Elliston <bje@au.ibm.com>
5965 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
5966 function returns true in the positive case.
5968 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5971 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
5972 for SI, DI, SF and DF modes. Add alternatives to copy between
5973 general and floating point registers to the 32-bit patterns.
5974 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
5975 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
5976 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
5977 generating 64-bit code.
5978 * config/pa/pa.c (output_move_double): Handle copies between general
5979 and floating registers.
5981 2006-01-10 Stuart Hastings <stuart@apple.com>
5983 * config/i386/i386.md (set_got): Update.
5984 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
5985 (builtin_setjmp_receiver): Mach-O support.
5986 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
5987 (GOT_SYMBOL_NAME): Define.
5988 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
5989 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
5990 * config/i386/i386.c (override_options): Revise for Darwin.
5991 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
5992 support. (darwin_x86_file_end): New. (output_set_got): Add label
5993 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
5994 * config/i386/i386-protos.h (output_set_got): Likewise.
5995 * config/darwin.c (machopic_legitimize_pic_address): Update
5998 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
6000 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
6001 when MODE isn't BLKmode.
6003 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6005 PR rtl-optimization/25367
6006 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
6008 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
6011 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
6012 for a negative bound.
6014 2006-01-10 Richard Guenther <rguenther@suse.de>
6016 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6017 Never override with anything constraint.
6019 2006-01-10 Jan Beulich <jbeulich@novell.com>
6021 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
6022 256 bits when optimize_size.
6024 2006-01-10 Jan Beulich <jbeulich@novell.com>
6026 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
6028 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
6029 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
6032 2006-01-10 Ben Elliston <bje@au.ibm.com>
6034 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
6036 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
6037 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
6038 (USE_FP_FOR_ARG): Reject decimal float modes.
6039 (function_arg_advance): Likewise.
6040 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
6041 (rs6000_handle_altivec_attribute): Do not permit decimal floating
6042 point types in AltiVec vectors.
6043 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
6044 (rs6000_libcall_value): Likewise.
6046 2006-01-09 Bob Wilson <bob.wilson@acm.org>
6048 * config/xtensa/ieee754-df.S: New file.
6049 * config/xtensa/ieee754-sf.S: New file.
6050 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
6051 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
6052 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
6054 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
6056 * config/sh/predicates.md (binary_float_operator,
6057 binary_logical_operator, commutative_float_operator,
6058 equality_comparison_operator, greater_comparison_operator,
6059 less_comparison_operator, logical_operator,
6060 noncommutative_float_operator, shift_operator,
6061 symbol_ref_operand, unary_float_operator): Remove redundant
6064 2006-01-09 Jeff Law <law@redhat.com>
6066 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
6067 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
6068 now unused arguments. Callers updated.
6069 (eliminate_redundant_computations): Remove now unused arguments,
6071 (local_fold): Remove, no longer used.
6072 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
6074 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
6075 (simplify_cond): New function.
6076 (forward_propagate_into_cond): Call simplify_cond.
6078 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
6080 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
6081 (*vec_extractv2di_1_sse): New.
6083 2006-01-09 Ben Elliston <bje@au.ibm.com>
6085 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
6087 2006-01-08 Richard Guenther <rguenther@suse.de>
6089 * tree-ssa-structalias.c (get_constraint_for): Remove
6091 (get_constraint_for_component_ref): Likewise.
6092 (do_deref): Likewise.
6093 (get_constraint_for): Likewise.
6094 (do_structure_copy): Likewise.
6095 (handle_ptr_arith): Likewise.
6096 (find_func_aliases): Likewise. Remove unused need_anyoffset
6099 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
6100 Kaz Kojima <kkojima@gcc.gnu.org>
6102 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
6103 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
6104 (EXTRA_CONSTRAINT_C16): Remove.
6105 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
6106 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
6107 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
6108 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
6109 constants of SHmedia. Handle nested constant expressions of
6111 (andcosts): Fix the costs for SHmedia constants.
6112 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
6113 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
6114 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
6115 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
6116 (movv4hi_i, movv2si_i): Likewise.
6117 (movsi_const): Adjust the second operand of ior so to match with
6119 (movdi_const, movdi_const_32bit): Likewise.
6120 (movdi_const_16bit+1): Don't sign-extend LOW.
6121 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
6123 (*double_shori): Fix the split condition. Use GEN_INT instead
6124 of get_int_mode calls. Mask lower 16-bit of the argument of
6126 (sym2GOTPLT): Remove.
6127 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
6129 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
6130 instead of EXTRA_CONSTRAINT_C16.
6132 2006-01-07 Ian Lance Taylor <ian@airs.com>
6133 David Edelsohn <edelsohn@gnu.org>
6135 PR rtl-optimization/25662
6136 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
6137 for constant operands instead of simplify_gen_binary.
6138 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
6139 after trying simplify_binary_operation
6141 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
6143 * tree.c (iterative_hash_expr): Hash decls based on UID.
6145 2006-01-06 Eric Christopher <echristo@apple.com>
6147 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
6148 (TARGET_UNWIND_EMIT): Fix spelling.
6149 * target.h (gcc_target): Add except_table_label.
6150 * except.c (output_function_exception_table): Use.
6151 * varasm.c (default_emit_except_table_label): New.
6152 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
6154 (asm_out): Add here.
6155 * output.h (default_emit_except_table_label): Prototype.
6156 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
6157 * config/darwin.c (darwin_emit_except_table_label): Define.
6158 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
6160 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
6162 PR tree-optimization/18527
6163 * tree-ssa-loop-niter.c (number_of_iterations_cond,
6164 number_of_iterations_special, number_of_iterations_exit):
6165 Move base and step of an iv to a single structure. Add
6166 no_overflow flag, and use it in # of iterations analysis.
6167 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
6168 folded_casts argument.
6169 (simple_iv): Pass base and step in a structure. Set no_overflow
6171 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
6172 Evaluate expensiveness of computing # of iterations instead of
6173 the final expression.
6174 * tree-scalar-evolution.h (affine_iv): New structure.
6175 (simple_iv): Declaration changed.
6176 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
6177 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
6178 find_givs_in_stmt): Changed due to simple_iv change.
6180 2006-01-06 Jeff Law <law@redhat.com>
6183 * tree-cfg.c (bsi_replace): Rename final argument from
6184 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
6185 change (stmt -> orig_stmt).
6186 * tree-eh.c (verify_eh_throw_stmt_node): New function.
6187 (bsi_remove): Add new argument. Remove EH information
6189 (verify_eh_throw_table_statements): New function.
6190 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
6192 * tree-optimize.c (execute_free_cfg_annotations): Verify
6193 the EH throw statement table after removing annotations.
6194 * except.h (verify_eh_throw_table_statements): Prototype.
6195 * tree-flow.h (bsi_remove): Update prototype.
6196 * tree-vrp.c (remove_range_assertions): Add new argument to
6198 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
6199 * tree-complex.c (expand_complex_div_wide): Likewise.
6200 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
6201 * tree-tailcall.c (eliminate_tailcall): Likewise.
6202 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
6203 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
6204 * tree-nrv.c (tree_nrv): Likewise.
6205 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
6206 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
6207 (combine_blocks): Likewise.
6208 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
6209 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
6210 (cleanup_control_flow): Likewise.
6211 (remove_forwarder_block): Likewise.
6212 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
6213 * tree-sra.c (sra_replace): Likewise.
6214 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
6215 (forward_propagate_single_use_vars): Likewise.
6216 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
6217 * tree-inline.c (expand_call_inline): Likewise.
6218 * tree-vect-transform.c (vect_transform_loop): Likewise.
6219 * tree-outof-ssa.c (rewrite_trees): Likewise.
6220 * tree-cfg.c (make_goto_expr_edges): Likewise.
6221 (cleanup_dead_labels): Likewise.
6222 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
6223 (bsi_move_before, bsi_move_after): Likewise.
6224 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
6225 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
6227 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
6230 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
6232 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
6233 on non gimple variables. Also add checks at the top for decls and
6235 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
6237 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
6238 and IMAGPART_EXPR for creating MUST_DEFs.
6239 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
6240 and NAME_MEMORY_TAG separately from the DECLs.
6242 2006-01-06 Richard Guenther <rguenther@suse.de>
6244 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
6245 annotation, if necessary.
6246 * tree-ssa-pre.c (create_expression_by_pieces): Remove
6247 redundant calls to update_stmt.
6248 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
6251 2006-01-05 Richard Henderson <rth@redhat.com>
6253 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
6255 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6257 * c-typeck.c: Update copyright date.
6259 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6261 * c-typeck.c (build_c_cast): Always warn when casting
6262 from a pointer to an integer of different size, even if
6263 the node was constant.
6265 2006-01-05 Richard Guenther <rguenther@suse.de>
6267 PR tree-optimization/22555
6268 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
6269 if one structure field is an array.
6270 * tree-ssa-operands.c (get_expr_operands): Continue scanning
6271 operands even if we found a subvar, but ignore VOPs in this
6273 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
6275 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
6277 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
6280 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
6282 2006-01-05 Richard Guenther <rguenther@suse.de>
6283 Diego Novillo <dnovillo@redhat.com>
6285 * tree-pass.h (TODO_remove_unused_locals): Define.
6286 * gimple-low.c (expand_var_p, remove_useless_vars,
6287 pass_remove_useless_vars): Remove. Update all users.
6288 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
6289 (remove_unused_locals): New function.
6290 * tree-flow.h (remove_unused_locals): Declare.
6291 * passes.c (execute_todo): Call remove_unused_locals if
6292 TODO_remove_unused_locals is set.
6293 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
6294 * tree-ssa-dce.c (pass_dce): Likewise.
6295 * tree-outof-ssa.c (pass_del_ssa): Likewise.
6297 2006-01-05 Richard Guenther <rguenther@suse.de>
6299 * tree-flow.h (struct fieldoff): Decompose field to
6300 type, size and decl.
6301 * tree-ssa-alias.c (create_sft): Take type as parameter.
6302 (create_overlap_variables_for): Store type, size and decl
6303 in the fieldoff structure.
6304 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
6306 (push_fields_onto_fieldstack): Likewise.
6307 (create_variable_info_for): Likewise. Use offset for the
6308 SFT name if the decl is not available.
6310 2006-01-04 Paul Brook <paul@codesourcery.com>
6312 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
6314 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
6316 * lambda-code.c (can_put_in_inner_loop): Relax
6318 (can_put_after_inner_loop): New function.
6319 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
6320 (perfect_nestify): Change to make copies and modify uses.
6322 2006-01-04 Richard Henderson <rth@redhat.com>
6324 Merge from gomp branch:
6325 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
6326 via integer constant.
6327 (pragma_lex): Remove.
6328 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
6329 rather than parsing it.
6330 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
6331 handle_pragma_extern_prefix): Add %< %> quotes.
6332 (registered_pragmas): New.
6333 (c_register_pragma_1): New.
6334 (c_register_pragma): Use it.
6335 (c_register_pragma_with_expansion): Likewise.
6336 (c_invoke_pragma_handler): New.
6337 (init_pragma): Use cpp_register_deferred_pragma directly for
6339 * c-pragma.h (enum pragma_kind): New.
6340 (pragma_handler): New.
6341 (c_invoke_pragma_handler): Declare.
6342 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
6344 * c-common.h (c_common_pch_pragma): Update decl.
6345 * Makefile.in (c-parser.o): Update dependencies.
6346 (GTFILES): Add c-pragma.h.
6347 * c-parser.c (struct c_token): Add pragma_kind.
6348 (struct c_parser): Add in_pragma.
6349 (c_lex_one_token): Always initialize keyword and pragma_kind.
6350 Extract data for CPP_PRAGMA.
6351 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
6352 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
6353 Don't allow CPP_PRAGMA_EOL if in_pragma.
6354 (c_parser_consume_pragma): New.
6355 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
6356 (c_parser_skip_to_end_of_parameter): Likewise.
6357 (c_parser_skip_to_end_of_block_or_statement): Likewise.
6358 (c_parser_skip_to_pragma_eol): New.
6359 (c_parser_external_declaration): Handle CPP_PRAGMA.
6360 (c_parser_compound_statement_nostart): Likewise.
6361 (c_parser_statement_after_labels): Likewise.
6362 (c_parser_pragma): New.
6363 (pragma_lex): Likewise.
6364 (c_parser_pragma_pch_preprocess): New.
6365 (c_parser_new): Merge into ...
6366 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
6368 2006-01-04 Jeff Law <law@redhat.com>
6371 * tree-cfg.c (bsi_replace): Remove the original statement
6372 from the EH throw statement table.
6374 2006-01-04 Jakub Jelinek <jakub@redhat.com>
6376 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
6377 make the prototype extern "C" and add throw ().
6380 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
6381 and pos non-negative and pos + len <= 32.
6382 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
6383 drop pos + len < HOST_BITS_PER_WIDE_INT test.
6384 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
6387 * c-common.c (handle_vector_size_attribute): Reject zero vector size
6388 as well as sizes not multiple of component size.
6391 * function.c (instantiate_expr): New function.
6392 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
6393 walk its DECL_VALUE_EXPR with instantiate_expr.
6395 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
6396 DW_OP_deref{,_size} if address isn't going to be added.
6398 2006-01-04 Ben Elliston <bje@au.ibm.com>
6400 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
6401 * config/fp-bit.c: Likewise.
6403 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
6405 * dominance.c: Add comment about why we use DFS numbering
6408 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6409 Richard Henderson <rth@redhat.com>
6411 Merge from gomp-branch:
6412 * varasm.c (assemble_variable): Handle thread-local COMMON data.
6413 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
6415 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
6417 PR rtl-optimization/25578
6418 * combine.c (combine_simplify_rtx, force_to_mode): Don't
6419 pass a parameter to simplify_shift_const if changing ASHIFTRT
6422 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
6424 * builtins.c (get_builtin_sync_mem): New function.
6425 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
6426 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
6427 Call get_builtin_sync_mem to generate mem rtx.
6429 2006-01-03 Richard Guenther <rguenther@suse.de>
6432 * stmt.c (add_case_node): Make sure to clear overflow flags
6435 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6437 Merge from gomp-branch.
6438 * config/sparc/sync.md: New file.
6439 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
6440 UNSPECV_LDSTUB): New constants.
6441 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
6442 * config/sparc/predicates.md (memory_reg_operand): New predicate.
6443 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
6446 2006-01-03 Roger Sayle <roger@eyesopen.com>
6448 * combine.c (reg_subword_p): New predicate to test whether the
6449 destination of a set refers to a subword/piece of a register.
6450 (try_combine): Generalize the code to merge the setting of a
6451 pseudo to a constant followed by a set of a subword of that
6452 register to a constant.
6454 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
6456 * basic-block.h (control_flow_graph): Change the type of
6457 x_label_to_block_map to VEC(basic_block,gc) *.
6458 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
6459 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
6461 * tree-ssa-propagate.c (cfg_blocks): Change the type to
6462 VEC(basic_block,heap) *.
6463 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
6464 ssa_prop_fini): Adjust the uses of cfg_blocks.
6466 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
6468 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
6470 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
6471 hashing trees instead of a pointer hash.
6472 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
6473 compare for MEM_EXPR.
6475 PR rtl-optimization/25130
6476 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
6477 when comparing MEMs for GCSE
6479 2006-01-03 Ben Elliston <bje@au.ibm.com>
6481 * targhooks.h (default_decimal_float_supported_p): Declare.
6482 * targhooks.c (default_decimal_float_supported_p): Define.
6483 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
6484 `default_decimal_float_supported_p'.
6485 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
6487 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
6489 * combine.c (apply_distributive_law <SUBREG>): Check
6490 TRULY_NOOP_TRUNCATION.
6492 2006-01-02 Geoffrey Keating <geoffk@apple.com>
6494 * dwarf2out.c (have_switched_text_section): Delete.
6495 (have_multiple_function_sections): New.
6496 (have_location_lists): Make 'bool'.
6497 (add_AT_loc_list): Use 'true' not '1'.
6498 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
6499 (output_loc_list): Use have_multiple_function_sections.
6500 (output_ranges): Likewise.
6501 (dwarf2out_begin_function): Set have_multiple_function_sections if
6503 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
6504 Check function_section rather than DECL_SECTION_NAME.
6505 (dwarf2out_finish): Use have_multiple_function_sections.
6506 Don't clear have_location_lists.
6508 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
6509 Jan Hubicka <jh@suse.cz>
6511 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
6512 case of conditional jump jumping to the next instruction.
6513 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
6514 cases of conditional jump jumping to the next instruction.
6516 2006-01-02 Jan Hubicka <jh@suse.cz>
6518 * i386.c (*_cost): Add COSTS_N_INSNS.
6519 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
6521 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
6524 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
6526 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6528 * config/arm/arm.c (all_fpus): Fix comment typo.
6529 * config/darwin.c: Likewise.
6530 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
6531 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
6532 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
6534 2006-01-01 David Edelsohn <edelsohn@gnu.org>
6536 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
6537 (rs6000_split_compare_and_swapqhi): New.
6538 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
6539 (sync_compare_and_swapqhi_internal): New.
6540 * config/rs6000/rs6000-protos.h: Declare.
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