| blob | a5f0a1809e1b6bef71e2d271086172832ec8c23d |
1 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3 * rtlanal.c (replace_reg): Remove.
4 * rtl.h: Remove the prototype for replace_reg.
6 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8 * regclass.c (reg_scan_update): Remove.
9 (reg_scan_mark_refs): Remove the last argument.
10 * rtl.h: Remove the prototype for reg_scan_update.
12 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
15 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
16 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
17 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
18 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
19 loop-invariant.c, omp-low.c, opts.c, passes.c,
20 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
21 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
22 tree-ssa-structalias.c, tree-ssa-threadedge.c,
23 tree-ssa-threadupdate.c, tree-vect-patterns.c,
24 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
25 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
27 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
29 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
30 * dwarf2out.h: Remove the prototype for
31 dwarf2out_add_library_unit_info.
33 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
35 * tree.c (add_var_to_bind_expr): Remove.
36 * tree.h: Remove the prototype for add_var_to_bind_expr.
38 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
40 * regclass.c (n_non_fixed_regs): Remove.
41 (init_reg_sets_1, globalize_reg): Remove all uses of
42 n_non_fixed_regs.
43 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
45 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
47 * rtlanal.c (insns_safe_to_move_p): Remove.
48 * rtl.h: Remove the prototype for insns_safe_to_move_p.
50 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
52 * expmed.c (expand_mult_add): Remove.
53 * expr.h: Remove the prototype for expand_mult_add.
55 2006-03-04 Jakub Jelinek <jakub@redhat.com>
57 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
58 and REG_SAVED_VAL_EXP constants.
59 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
60 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
61 Handle regs stored by value.
62 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
63 (execute_cfa_program): Handle DW_CFA_val_offset,
64 DW_CFA_val_offset_sf and DW_CFA_val_expression.
65 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
66 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
67 (uw_install_context_1): Handle target regs stored by value.
69 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
71 * tree-sra.c (tree_sra): Return todoflags;
72 (generate_one_element): Set TODO_update_smt_usage if needed.
73 (pass_sra): Remove TODO_update_smt_usage.
74 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
75 parameter.
76 (tree_ssa_forward_propagate_single_use_vars): Return
77 TODO_update_smt_usage if we need to update SMT usage.
78 (pass_forwprop): Remove TODO_update_smt_usage.
80 2006-03-03 Diego Novillo <dnovillo@redhat.com>
82 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
83 (correct_use_link): Remove reference to get_stmt_operands.
84 (update_stmt_operands): Likewise.
85 (get_modify_expr_operands): New function factored out of
86 parse_ssa_operands and get_expr_operands.
87 Try to create V_MUST_DEFs for LHS by default.
88 (get_expr_operands) <case MODIFY_EXPR>: Call
89 get_modify_expr_operands.
90 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
91 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
92 (parse_ssa_operands) <case MODIFY_EXPR>: Call
93 get_modify_expr_operands.
95 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
97 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
98 * tree-flow.h: Remove the prototype for
99 referenced_var_lookup_if_exists.
101 2006-03-03 Steve Ellcey <sje@cup.hp.com>
103 PR rtl-optimization/26345
104 PR target/19061
105 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
107 2006-03-03 Roger Sayle <roger@eyesopen.com>
109 PR tree-optimization/26524
110 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
111 fold_convert to create a constant of the appropriate type.
113 2006-03-03 Richard Sandiford <richard@codesourcery.com>
115 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
116 SYMBOL_REF_IN_BLOCK_P.
117 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
118 of SYMBOL_FLAG_IN_BLOCK.
119 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
120 instead of SYMBOL_REF_IN_BLOCK_P.
121 * explow.c (use_anchored_address): Likewise.
122 * rtl.c (rtx_size): Likewise.
123 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
124 instead of SYMBOL_FLAG_IN_BLOCK.
125 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
126 SYMBOL_REF_IN_BLOCK_P.
127 (assemble_variable): Likewise.
128 (output_constant_def_contents): Likewise.
129 (output_constant_pool): Likewise.
130 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
131 instead of SYMBOL_FLAG_IN_BLOCK.
132 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
133 SYMBOL_REF_IN_BLOCK_P.
134 (SYMBOL_REF_BLOCK): Likewise.
135 (SYMBOL_REF_OFFSET): Likewise.
136 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
137 SYMBOL_REF_IN_BLOCK_P.
138 (SYMBOL_FLAG_IN_BLOCK): Replace with...
139 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
140 (SYMBOL_REF_IN_BLOCK_P): Replace with...
141 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
143 2006-03-03 Jakub Jelinek <jakub@redhat.com>
145 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
147 2006-03-02 Roger Sayle <roger@eyesopen.com>
149 * simplify-rtx.c (simplify_unary_operation): When simplifying
150 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
151 that we perform the right shift in the appropriate mode, and
152 then extend or truncate the result to requested mode.
154 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
156 * gengtype.c (main): Handle double_int type.
157 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
158 * double-int.c: New file.
159 * double-int.h: New file.
160 * system.h: Include doubleint.h.
161 * Makefile.in (SYSTEM_H): Include double-int.h.
162 (double-int.o): Add.
164 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
166 PR bootstrap/26478
167 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
168 copying over it.
170 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
172 * tree-vrp.c (remove_range_assertions): Do not update statements
173 unnecessarily.
175 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
177 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
178 cleanup.
179 * gcse.c (rest_of_handle_gcse): Ditto.
180 * except.c (gate_handle_eh): Ditto.
181 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
182 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
184 2006-03-02 Eric Christopher <echristo@apple.com>
186 * config/i386/i386.c (machopic_output_stub): Add indirection to
187 jump.
189 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
191 * loop.c: Removed.
193 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
195 Sun Niagara specific optimizations.
196 * config.gcc: Recognize niagara as target.
197 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
198 (TARGET_CPU_niagara): Define.
199 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
200 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
201 (CPP_CPU_SPEC): Handle -mcpu=niagara.
202 (ASM_CPU_SPEC): Likewise.
203 (PROCESSOR_NIAGARA): New enum entry.
204 (REGISTER_MOVE_COST): Handle Niagara.
205 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
206 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
207 (sparc_override_options): Recognize "niagara", set appropriate
208 default MASK_* values for it, and align functions to 32-bytes
209 by default just like ULTRASPARC/ULTRASPARC3.
210 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
211 (sparc64_initialize_trampoline): Likewise.
212 (sparc_use_sched_lookahead): Use zero for niagara.
213 (sparc_issue_rate): Use one for niagara.
214 * config/sparc/niagara.md: New file.
215 * config/sparc/sparc.md: Include it.
216 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
217 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
218 when default cpu is niagara.
219 (CPP_CPU_SPEC): Handle -mcpu=niagara.
220 (ASM_CPU_SPEC): Likewise.
221 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
222 when default cpu is niagara.
223 (ASM_CPU_SPEC): Handle -mcpu=niagara.
224 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
225 just like v9/ultrasparc/ultrasparc3.
226 * doc/invoke.texi: Add documentation for "niagara" and improve
227 existing documentation for ultrasparc variants.
229 2006-03-02 Diego Novillo <dnovillo@redhat.com>
231 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
233 2006-03-02 Richard Sandiford <richard@codesourcery.com>
235 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
236 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
237 and say that only one is needed.
238 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
239 * target.h (have_switchable_bss_sections): New hook.
240 * explow.c (use_anchored_address): Check that the symbol is in a block.
241 * varasm.c (tls_comm_section, comm_section, lcomm_section)
242 (bss_noswitch_section): New variables.
243 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
244 (get_noswitch_section): New function.
245 (get_block_for_section): Allow SECT to be null.
246 (unlikely_text_section_p): Use SECTION_STYLE.
247 (bss_initializer_p): New function.
248 (get_variable_section): Move earlier in file. Take a new argument,
249 prefer_noswitch_p. Move bss checks from assemble_variable to here.
250 Return one of the new *_sections in such cases.
251 (get_block_for_decl): New function, extracting some logic from
252 use_blocks_for_decl_p.
253 (change_symbol_section): Remove in favor of...
254 (change_symbol_block): ...this new function.
255 (use_blocks_for_decl_p): Remove checks now performed by
256 get_block_for_decl.
257 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
258 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
259 (emit_local, emit_bss, emit_common): ...these new functions.
260 Return true if the alignment was honored.
261 (emit_tls_common): New function.
262 (asm_emit_uninitialised): Delete.
263 (assemble_variable_noswitch): New function, split out from...
264 (assemble_variable): ...here. Don't make decisions about common
265 variables here. Globalize all public decls that go into non-common
266 sections. Check whether SYMBOL_REF_BLOCK is null.
267 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
268 (output_constant_pool): Likewise.
269 (init_varasm_once): Initialize the new section variables.
270 (have_global_bss_p): New function.
271 (categorize_decl_for_section): Use bss_initializer_p.
272 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
273 (place_block_symbol): Assert that the symbol must be in a block.
274 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
275 (TARGET_INITIALIZER): Include it.
276 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
277 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
278 (SECTION_MACH_DEP): Bump by two.
279 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
280 (unnamed_section): Mention SECTION_UNNAMED in comment.
281 (named_section): Likewise SECTION_NAMED.
282 (noswitch_section_callback): New type.
283 (noswitch_section): New structure.
284 (section): Add a noswitch_section alternative.
285 (SECTION_STYLE): New macro.
286 (tls_comm_section, comm_section, lcomm_section): Declare.
287 (bss_noswitch_section, have_global_bss_p): Declare.
288 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
289 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
290 Override.
291 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
292 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
293 Override.
295 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
297 * gcc/tree-vrp.c (execute_vrp): Return value.
298 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
299 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
300 * gcc/tree-complex.c (tree_lower_complex): Ditto.
301 (tree_lower_complex_O0): Ditto.
302 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
303 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
304 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
305 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
306 (execute_tail_calls): Ditto.
307 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
308 * gcc/tree.h (init_function_for_compilation): Ditto.
309 * gcc/ipa-cp.c (ipcp_driver): Ditto.
310 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
311 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
312 * gcc/final.c (compute_alignments): Ditto.
313 (rest_of_handle_final): Ditto.
314 (rest_of_handle_shorten_branches): Ditto.
315 (rest_of_clean_state): Ditto.
316 * gcc/omp-low.c (execute_expand_omp): Ditto.
317 (execute_lower_omp): Ditto.
318 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
319 * gcc/ipa-reference.c (static_execute): Ditto.
320 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
321 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
322 (rest_of_handle_machine_reorg): Ditto.
323 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
324 * gcc/flow.c (recompute_reg_usage): Ditto.
325 (rest_of_handle_remove_death_notes): Ditto.
326 (rest_of_handle_life): Ditto.
327 (rest_of_handle_flow2): Ditto.
328 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
329 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
330 (do_ssa_store_ccp): Ditto.
331 (execute_fold_all_builtins): Ditto.
332 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
333 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
334 * gcc/ipa-pure-const.c (static_execute): Ditto.
335 * gcc/cse.c (rest_of_handle_cse): Ditto.
336 (rest_of_handle_cse2): Ditto.
337 * gcc/web.c (rest_of_handle_web): Ditto.
338 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
339 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
340 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
341 * gcc/tree-nrv.c (tree_nrv): Ditto.
342 (execute_return_slot_opt): Ditto.
343 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
344 (create_structure_vars): Ditto.
345 * gcc/loop-init.c (rtl_loop_init): Ditto.
346 (rtl_loop_done): Ditto.
347 (rtl_move_loop_invariants): Ditto.
348 (rtl_unswitch): Ditto.
349 (rtl_unroll_and_peel_loops): Ditto.
350 (rtl_doloop): Ditto.
351 * gcc/gimple-low.c (lower_function_body): Ditto.
352 (mark_used_blocks): Ditto.
353 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
354 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
355 (cgraph_early_inlining): Ditto.
356 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
357 * gcc/jump.c (cleanup_barriers): Ditto.
358 (purge_line_number_notes): Ditto.
359 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
360 (rest_of_handle_if_after_reload): Ditto.
361 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
362 (tree_ssa_loop_im): Ditto.
363 (tree_ssa_loop_unswitch): Ditto.
364 (tree_vectorize): Ditto.
365 (tree_linear_transform): Ditto.
366 (tree_ssa_loop_ivcanon): Ditto.
367 (tree_ssa_empty_loop): Ditto.
368 (tree_ssa_loop_bounds): Ditto.
369 (tree_complete_unroll): Ditto.
370 (tree_ssa_loop_prefetch): Ditto.
371 (tree_ssa_loop_ivopts): Ditto.
372 (tree_ssa_loop_done): Ditto.
373 * gcc/predict.c (tree_estimate_probability): Ditto.
374 * gcc/recog.c (split_all_insns_noflow): Ditto.
375 (rest_of_handle_peephole2): Ditto.
376 (rest_of_handle_split_all_insns): Ditto.
377 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
378 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
379 (rest_of_handle_stack_adjustments): Ditto.
380 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
381 * gcc/function.c (instantiate_virtual_regs): Ditto.
382 (init_function_for_compilation): Ditto.
383 (rest_of_handle_check_leaf_regs): Ditto.
384 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
385 (rest_of_handle_gcse): Ditto.
386 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
387 * gcc/alias.c (rest_of_handle_cfg): Ditto.
388 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
389 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
390 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
391 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
392 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
393 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
394 * gcc/except.c (set_nothrow_function_flags): Ditto.
395 (convert_to_eh_region_ranges): Ditto.
396 (rest_of_handle_eh): Ditto.
397 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
398 (remove_unnecessary_notes): Ditto.
399 * gcc/except.h (set_nothrow_function_flags): Ditto.
400 (convert_to_eh_region_ranges): Ditto.
401 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
402 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
403 * gcc/tree-ssa-pre.c (do_pre): Ditto.
404 (execute_fre): Ditto.
405 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
406 (rest_of_handle_jump2): Ditto.
407 * gcc/tree-sra.c (tree_sra): Ditto.
408 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
409 (execute_mudflap_function_decls): Ditto.
410 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
411 (do_store_copy_prop): Ditto.
412 * gcc/ipa-prop.h (ipcp_driver): Ditto.
413 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
414 * gcc/tree-ssa-forwprop.c
415 (tree_ssa_forward_propagate_single_use_vars): Ditto.
416 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
417 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
418 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
419 (execute_late_warn_uninitialized): Ditto.
420 * gcc/rtl.h (cleanup_barriers): Ditto.
421 (split_all_insns_noflow): Ditto.
422 (purge_line_number_notes): Ditto.
423 (unshare_all_rtl): Ditto.
424 (remove_unnecessary_notes): Ditto.
425 (recompute_reg_usage): Ditto.
426 (variable_tracking_main): Ditto.
427 * gcc/integrate.c (emit_initial_value_sets): Ditto.
428 * gcc/integrate.h (emit_initial_value_sets): Ditto.
429 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
430 (execute_free_cfg_annotations): Ditto.
431 (execute_fixup_cfg): Ditto.
432 (execute_cleanup_cfg_pre_ipa): Ditto.
433 (execute_cleanup_cfg_post_optimizing): Ditto.
434 (execute_init_datastructures): Ditto.
435 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
436 * gcc/combine.c (rest_of_handle_combine): Ditto.
437 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
438 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
439 (rest_of_handle_reorder_blocks): Ditto.
440 (rest_of_handle_partition_blocks): Ditto.
441 * gcc/var-tracking.c (variable_tracking_main): Ditto.
442 * gcc/tree-profile.c (tree_profiling): Ditto.
443 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
444 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
445 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
446 (rest_of_handle_sched2): Ditto.
447 * gcc/basic-block.h (free_bb_insn): Ditto.
448 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
449 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
450 (remove_useless_stmts): Ditto.
451 (split_critical_edges): Ditto.
452 (execute_warn_function_return): Ditto.
453 (execute_warn_function_noreturn): Ditto.
454 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
455 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
456 * gcc/passes.c (execute_one_pass): Run additional
457 todos returned by execute function.
458 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
459 return a value.
461 2006-03-02 Richard Guenther <rguenther@suse.de>
463 * tree-ssa-alias.c (find_used_portions): Consider taking
464 the address as making the variable not write-only.
466 2006-03-02 Nick Clifton <nickc@redhat.com>
468 * config.gcc (default_use_cxa_atexit): Extend the description of
469 this configure variable. Set its default value to "yes" for
470 Linux, NetBSD and ELF targets on the assumption that they will
471 use C libraries with the __cxa_atexit function.
473 2006-03-02 Ben Elliston <bje@au.ibm.com>
475 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
476 parameter as unused to suppress a build warning.
478 2006-03-02 Ben Elliston <bje@au.ibm.com>
480 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
481 config/dfp-bit.c.
483 2006-03-01 Roger Sayle <roger@eyesopen.com>
485 PR other/26489
486 * gthr-posix.h (__gthrw2): Define to take three parameters, the
487 declared name, the weak reference name, and the typeof name.
488 (__gthrw): Avoid expanding the declared name suffix.
489 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
491 2006-03-01 Jakub Jelinek <jakub@redhat.com>
493 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
494 from DWARF 3.
495 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
496 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
497 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
498 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
499 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
500 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
501 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
502 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
503 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
504 DW_DS_leading_separate, DW_DS_trailing_separate): New.
505 (DW_END_default, DW_END_big, DW_END_little): New.
506 (DW_END_lo_user, DW_END_hi_user): Define.
507 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
508 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
509 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
510 DW_LANG_D): New.
512 2006-03-01 Diego Novillo <dnovillo@redhat.com>
514 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
515 Update all users.
516 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
517 Update all users.
518 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
519 Update all users.
520 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
521 Update all users.
522 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
523 to 'symbol_mem_tag'.
524 Update all users.
525 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
526 rename.
528 2006-03-01 Roger Sayle <roger@eyesopen.com>
530 * builtins.c (fold_builtin_copysign): Delete unreachable code.
532 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
534 PR target/25761
535 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
536 MACHO_DYNAMIC_NO_PIC_P.
537 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
539 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
541 PR target/26389
542 * config/darwin-protos.h (darwin_asm_output_anchor):
543 Declare.
544 * config/darwin-sections.def (cstring_section):
545 Add SECTION_MERGE to the flags.
546 (literal4_section): Likewise.
547 (literal8_section): Likewise.
548 (objc_selector_refs_section): Likewise.
549 (objc_cls_refs_section): Likewise.
550 * config/darwin.c (darwin_asm_output_anchor): New
551 function.
552 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
554 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
556 Fix PR tree-optimization/26443
557 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
558 to todo and PROP_tmt_usage to properties_destroyed.
559 * tree-ssa-ccp.c (pass_ccp): Ditto.
560 (pass_store_ccp): Ditto.
561 * tree-ssa-dom.c (pass_dominator): Ditto.
563 2006-03-01 Diego Novillo <dnovillo@redhat.com>
565 * tree-ssa-operands.c: Cleanup whitespace.
566 (get_asm_expr_operands): Move before first invocation.
567 (get_indirect_ref_operands): Likewise.
568 (get_tmr_operands): Likewise.
569 (get_call_expr_operands): Likewise.
570 (append_def): Likewise.
571 (append_use): Likewise.
572 (append_v_may_def): Likewise.
573 (append_v_must_def): Likewise.
574 (add_call_clobber_ops): Likewise.
575 (add_call_read_ops): Likewise.
576 (add_stmt_operand): Likewise.
577 (add_virtual_operand): Likewise.
578 (build_ssa_operands): Likewise.
580 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
582 PR middle-end/26022
583 Revert:
584 PR middle-end/24437
585 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
586 with a call expr to ...
587 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
589 2006-03-01 Diego Novillo <dnovillo@redhat.com>
591 * tree-vrp.c (extract_range_from_assert): Remove special
592 handling for types with super-types.
594 2006-03-01 Ben Elliston <bje@au.ibm.com>
596 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
597 and powerpc64-*-linux* configurations.
598 * config/t-dfprules: New file.
600 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
601 Compile dfp-bit.c from the source directory using -DWIDTH and
602 $DFP_CFLAGS to control the compilation of that file, rather than
603 generating width-specific versions in the build directory.
604 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
605 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
607 2006-02-28 Zack Weinberg <zackw@panix.com>
609 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
610 continues to work.
612 2006-02-28 Eric Christopher <echristo@apple.com>
614 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
615 Set up IN_LIBGCC definition of TARGET_64BIT.
616 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
618 2006-02-28 Roger Sayle <roger@eyesopen.com>
620 PR middle-end/14752
621 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
622 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
623 cases via the construction of "expr != 0".
625 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
627 * alias.c (alias_invariant, alias_invariant_size): Remove.
628 (record_base_value): Remove.
629 (memrefs_conflict_p): Don't look at alias_invariant.
630 (end_alias_analysis): Don't free it.
631 * alias.h (record_base_value): Remove prototype.
633 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
634 Adam Nemet <anemet@caviumnetworks.com>
636 * rtl.h (truncated_to_mode): Declare it.
637 (struct rtl_hooks): Add reg_truncated_to_mode hook.
638 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
639 (RTL_HOOKS_INITIALIZER): Include it.
640 * rtlhooks.c (reg_truncated_to_mode_general): New function.
641 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
642 reg_truncated_to_mode.
643 * rtlanal.c (truncated_to_mode): Define it.
644 * simplify-rtx.c (simplify_unary_operation_1): Use it.
646 2006-02-28 Jeff Law <law@redhat.com>
648 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
649 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
650 the range allowed by TYPE_PRECISION.
652 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
654 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
656 PR tree-optimization/26419
657 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
658 values of n.
660 2006-02-27 Zack Weinberg <zackw@panix.com>
662 * doc/md.texi: Fix typo in previous change.
664 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
666 * df.c: Remove.
668 2006-02-27 Zack Weinberg <zackw@panix.com>
670 * rtl.def (define_constraint, define_register_constraint)
671 (define_memory_constraint, define_address_constraint): New MD forms.
672 * gensupport.c (process_rtx): Put define_constraint etc on the
673 predicate queue.
674 * genpreds.c (process_define_predicate): Adjust comment. Validate
675 the name, and call validate_exp to validate the expression.
676 (mark_mode_tests, write_extract_subexp): Can assume correct input.
677 (write_predicate_expr): Likewise. NAME argument no longer necessary;
678 all callers changed.
679 (validate_exp, needs_variable, struct constraint_data)
680 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
681 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
682 (const_dbl_constraints, constraint_max_namelen)
683 (have_register_constraints, have_memory_constraints)
684 (have_address_constraints, have_address_constraints)
685 (have_extra_constraints, have_const_int_constraints)
686 (have_const_dbl_constraints, mangle, add_constraint)
687 (process_define_constraint, process_define_register_constraint)
688 (write_enum_constraint_num, write_lookup_constraint)
689 (write_insn_constraint_len, write_regclass_for_constraint)
690 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
691 (write_insn_extra_memory_constraint)
692 (write_insn_extra_address_constraint)
693 (write_satisfies_constraint_fns): New.
694 (write_tm_preds_h): If we have new-style constraint definitions,
695 prototype the functions generated from them, and define the
696 old constraint interface (still used by generic code) in terms of
697 those functions.
698 (write_insn_preds_c): If we have new-style constraint definitions,
699 generate all relevant functions from those definitions.
700 (main): Handle define_constraint etc.
701 * genoutput.c (struct constraint_data, indep_constraints)
702 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
703 (mdep_constraint_len): New data structures and functions, defined
704 #ifdef USE_MD_CONSTRAINTS.
705 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
706 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
707 use new logic to validate operand constraints against constraint
708 definitions.
709 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
710 defined.
711 * defaults.h: If none of the old-style constraint macros are
712 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
713 old-style macros; and poison REG_CLASS_FROM_LETTER,
714 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
715 EXTRA_CONSTRAINT.
716 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
717 * doc/md.texi: Document new constraint-definition mechanism and the
718 C interface it provides. Remove references to old mechanism
719 elsewhere in the document.
720 (Machine Constraints): Use pathnames relative to gcc directory,
721 i.e. config/ARCH/FILE. Change i386 section to refer to
722 config/i386/predicates.md; update that section to match docstrings.
723 * doc/tm.texi: Move all documentation of the old constraint-
724 definition macros to their own section, clearly mark as obsolete.
726 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
727 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
728 definitions.
729 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
730 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
731 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
732 constraint strings.
733 (splits and peepholes): Use satisfies_constraint_*.
734 * config/i386/i386.c (memory_address_length)
735 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
737 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
739 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
740 scalar operation to be put back into the loop.
742 2006-02-27 Jakub Jelinek <jakub@redhat.com>
744 PR other/26208
745 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
746 (extract_cie_info): Handle S flag in augmentation string.
747 (execute_cfa_program): If context->signal_frame, execute also
748 fs->pc == context->ra instructions.
749 (uw_frame_state_for): If context->signal_frame, don't subtract one
750 from context->ra to find FDE.
751 (uw_update_context_1): Set context->signal_frame to
752 fs->signal_frame.
753 (_Unwind_GetIPInfo): New function.
754 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
755 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
756 of _Unwind_GetIP.
757 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
758 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
759 * unwind-compat.c (_Unwind_GetIPInfo): New function.
760 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
761 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
762 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
763 * config/i386/linux-unwind.h (x86_fallback_frame_state,
764 x86_64_fallback_frame_state): Set fs->signal_frame.
765 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
766 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
767 (frob_update_context): Likewise. Workaround missing S flag in
768 Linux 2.6.12 - 2.6.16 kernel vDSOs.
769 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
770 Remove the psw_addr + 1 hack.
772 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
774 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
775 with aggregates here.
776 (find_func_aliases): Remove code for &<aggregate> from here.
778 2006-02-26 Roger Sayle <roger@eyesopen.com>
780 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
781 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
782 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
783 as (X & C) ne/eq 0.
785 2006-02-26 Roger Sayle <roger@eyesopen.com>
787 PR middle-end/19983
788 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
790 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
792 * opts.c (decode_options): Do not handle flag_strength_reduce.
793 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
794 and OPT_fstrength_reduce.
795 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
796 flag_prefetch_loop_arrays for being nonzero.
797 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
798 no-ops.
799 (fprefetch-loop-arrays-rtl): Removed.
800 (flag_prefetch_loop_arrays): Do not specify the value.
802 * doc/passes.texi: Update documentation of loop optimizer
803 passes.
804 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
805 -frerun-loop-opt): Remove.
807 2006-02-26 Richard Guenther <rguenther@suse.de>
809 PR tree-optimization/26421
810 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
811 in function calls that are ADDR_EXPRs as using the whole structure.
813 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
815 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
816 * tree-pass.h (pass_loop_optimize): Remove.
817 * passes.c (pass_loop_optimize): Never run it.
818 * toplev.c (backend_init): Don't call init_loop.
819 * opts.c (flag_loop_optimize_set): Remove.
820 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
821 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
822 the old RTL loop optimizer when profiling enabled.
823 * predict.c (tree_estimate_probability): Always strip builtin_expect.
824 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
825 pre-headers for the sake of the old RTL loop optimizer.
826 * Makefile.in: Remove all references to loop.o.
828 * doc/invoke.texi: Remove all references to -floop-optimize
829 and -frerun-loop-opt.
831 2006-02-26 Zack Weinberg <zackw@panix.com>
833 * doc/md.texi (Machine Constraints): Refer to all files with paths
834 relative to gcc directory (i.e. config/CPU/file). Add missing
835 @table @code ... @end table to M32C subsection.
837 2006-02-26 Roger Sayle <roger@eyesopen.com>
839 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
840 (X & 1) == 0.
841 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
843 2006-02-26 Roger Sayle <roger@eyesopen.com>
844 James A. Morrison <phython@gcc.gnu.org>
846 PR middle-end/21137
847 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
848 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
849 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
850 signedness of the shift operation.
852 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
854 PR tree-optimization/26359
855 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
857 2006-02-25 Roger Sayle <roger@eyesopen.com>
859 * simplify-rtx.c (simplify_relational_operation_1): Simplify
860 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
861 as X == 0, and some symmetry related transformations.
862 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
864 2006-02-25 Roger Sayle <roger@eyesopen.com>
866 PR middle-end/23673
867 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
868 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
869 symmetry related transformations. Fold (X^C1) == C2 as
870 X == (C1^C2).
872 2006-02-25 Juergen Weigert <jw@suse.de>
873 Richard Guenther <rguenther@suse.de>
875 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
877 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
879 * combine.c (gen_lowpart_or_truncate): Call
880 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
882 2006-02-24 Diego Novillo <dnovillo@redhat.com>
884 * doc/invoke.texi: Move -fopenmp description to "Options for
885 Code Generation".
886 Remove reference to -lgomp.
888 2006-02-24 David Edelsohn <edelsohn@gnu.org>
890 * doc/install.texi: Require GNU tar version 1.14.
892 2006-02-24 Geoffrey Keating <geoffk@apple.com>
894 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
895 * doc/invoke.texi (C++ Dialect Options): Document
896 -fno-use-cxa-get-exception-ptr.
897 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
898 * configure: Regenerate.
899 * c.opt (fuse-cxa-get-exception-ptr): New.
900 * c-opts.c (c_common_handle_option): Handle
901 OPT_fuse_cxa_get_exception_ptr.
902 * c-common.c (flag_use_cxa_atexit): Update documentation.
903 (flag_use_cxa_get_exception_ptr): New.
904 * c-common.h (flag_use_cxa_get_exception_ptr): New.
905 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
906 documentation.
907 (C_COMMON_OVERRIDE_OPTIONS): New.
909 2006-02-24 Roger Sayle <roger@eyesopen.com>
911 PR middle-end/24952
912 * combine.c (try_combine): Explicitly check whether GET_CODE is
913 a SET or a CLOBBER, instead on checking that it isn't a USE.
915 2006-02-24 Roger Sayle <roger@eyesopen.com>
917 * fold-const.c (fold_comparison): New subroutine of fold_binary
918 containing transformations common to both the equality and
919 ordering relational operators, factored out of fold_binary.
920 (fold_binary): Separate out the equality operators (EQ_EXPR
921 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
922 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
923 transformations common to both.
924 (fold_div_compare): Fix latent bugs in the previously unreachable
925 LT_EXPR and GE_EXPR cases.
927 2006-02-24 David Edelsohn <edelsohn@gnu.org>
929 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
930 decl libname for clog to __clog on AIX.
932 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
934 2006-02-24 Alan Modra <amodra@bigpond.net.au>
936 PR target/26453
937 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
938 output traceback table for thunks. Localise rs6000_stack_info call.
940 2006-02-23 Roger Sayle <roger@eyesopen.com>
941 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
943 * gthr-posix.h (__gthrw): Fix typo in comment.
945 2006-02-23 Geoffrey Keating <geoffk@apple.com>
947 * doc/cpp.texi (Character sets): Document that we do support
948 input files to be in any character set.
950 2006-02-23 Jeff Law <law@redhat.com>
952 * tree.h (PHI_ARG_NONZERO): Remove.
953 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
954 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
955 node to the new node.
957 PR tree-optimization/26425
958 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
959 min/max, then assume its varying.
961 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
963 PR rtl-optimization/26316
964 * rtlanal.c (enum may_trap_p_flags): New.
965 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
966 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
967 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
968 (may_trap_after_code_motion_p): New function.
969 * loop-invariant.c (find_identical_invariants): Fix dump formating.
970 (find_invariant_insn): Use may_trap_after_code_motion_p.
971 * rtl.h (may_trap_after_code_motion_p): Declare.
973 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
975 * emit-rtl.c (immed_double_const): Cleanup.
977 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
979 Fix PR tree-optimization/26376
980 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
981 remove assert.
983 2006-02-23 Jakub Jelinek <jakub@redhat.com>
985 PR middle-end/26412
986 * gimplify.c (omp_add_variable): Guard variable size decl test with
987 DECL_SIZE (decl) check.
989 2006-02-23 Richard Guenther <rguenther@suse.de>
991 PR middle-end/26439
992 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
993 like aggregate types.
995 2006-02-23 Jakub Jelinek <jakub@redhat.com>
997 * configure.ac: Add --with{,out}-long-double-128 configure option.
998 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
999 * configure: Rebuilt.
1000 * config.in: Rebuilt.
1001 * doc/install.texi (Options specification): Document
1002 --with-long-double-128.
1004 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1005 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1006 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1007 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1009 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
1011 * config/s390/s390.c (override_options): Handle
1012 TARGET_DEFAULT_LONG_DOUBLE_128.
1014 * config/alpha/alpha.c (override_options): Handle
1015 TARGET_DEFAULT_LONG_DOUBLE_128.
1017 * config/sparc/sparc.c (sparc_override_options): Handle
1018 TARGET_DEFAULT_LONG_DOUBLE_128.
1020 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
1022 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
1023 (real-install-headers-tar, real-install-headers-cpio)
1024 (real-install-headers-cp): New targets.
1026 2006-02-22 Richard Sandiford <richard@codesourcery.com>
1028 * tree.h (variable_section): Delete.
1029 * varasm.c (variable_section): Delete.
1031 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
1033 * install.texi: Add notes on install.texi2html.
1034 (Building in parallel): Do not use footnotes.
1036 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
1038 PR libgomp/26234
1039 * doc/install.texi (Configuration): Document --disable-libgomp.
1041 2006-02-21 Geoffrey Keating <geoffk@apple.com>
1043 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
1045 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1047 * config/i386/sse.md (vec_extractv2df_1_sse): New.
1048 (vec_extractv2df_0_sse): New.
1050 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1052 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
1053 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
1054 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
1055 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
1056 to the result of the expression.
1057 (def_cfa_1): Adjust.
1058 (frame_pointer_cfa_offset): Rename to...
1059 (frame_pointer_fb_offset): ... this. Adjust all uses.
1060 (convert_cfa_to_loc_list): Rename to...
1061 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
1062 Pass it on to build_cfa_loc.
1063 (compute_frame_pointer_to_cfa_displacement): Rename to...
1064 (compute_frame_pointer_to_fb_displacement): ... this. New
1065 offset parameter. Use it in computation.
1066 (gen_subprogram_die): Compute cfa_fb_offset with the new
1067 macro, and use it to compute the fb loc list and the
1068 displacement.
1070 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
1072 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
1073 replaced with register_operand.
1074 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
1075 non-DREG is expensive.
1076 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
1077 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
1078 involving memory.
1080 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
1082 * doc/install.texi2html: Use set -e.
1084 2006-02-21 Richard Sandiford <richard@codesourcery.com>
1086 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1087 (ASM_OUTPUT_SHARED_LOCAL): Delete.
1088 * doc/invoke.texi (-fshared-data): Delete.
1089 * common.opt (fshared-data): Delete.
1090 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
1091 (assemble_static_space): Remove #if 0 code.
1092 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1093 (ASM_OUTPUT_SHARED_LOCAL): Poison.
1094 * config/cris/cris.h: Remove FIXME.
1096 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
1098 * doc/sourcebuild.texi (Front End Directory): No more double-colon
1099 hooks.
1101 2006-02-21 Jakub Jelinek <jakub@redhat.com>
1103 PR middle-end/26379
1104 * combine.c (simplify_shift_const_1): Disable nested shifts
1105 optimization for vector shifts.
1107 2006-02-20 Roger Sayle <roger@eyesopen.com>
1109 PR tree-optimization/26361
1110 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
1111 of unsigned integer types.
1113 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
1115 * tree-chrec.c (eq_evolutions_p): New.
1116 * tree-chrec.h (eq_evolutions_p): Declared.
1117 * tree-data-ref.c: Fix formatting.
1118 (datadep_stats, dependence_stats): New.
1119 (gcd): Moved...
1120 (print_direction_vector): New.
1121 (dump_data_dependence_relation): Use print_direction_vector.
1122 (object_analysis, create_data_ref): Handle COMPONENT_REF.
1123 (compute_subscript_distance): Static.
1124 (initialize_data_dependence_relation): Static. Get the number
1125 of loops surrounding the references from the callers, and initialize
1126 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
1127 base_object_differ_p analyzers.
1128 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
1129 compute_overlap_steps_for_affine_1_2,
1130 analyze_subscript_affine_affine): Count the classified dependences.
1131 Print a message when a test failed.
1132 (can_use_analyze_subscript_affine_affine): New.
1133 (analyze_siv_subscript): Compute the data dependences on symbolic
1134 scevs that verify can_use_analyze_subscript_affine_affine.
1135 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
1136 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
1137 Handle symbolic scevs.
1138 (analyze_overlapping_iterations): Let symbolic affine scevs to be
1139 analyzed.
1140 (subscript_dependence_tester): Moved...
1141 (build_classic_dist_vector, build_classic_dir_vector): Don't use
1142 lambda_vector_clear on newly allocated vectors. Get nb_loops from
1143 DDR_SIZE_VECT instead of getting it in parameter.
1144 (subscript_dependence_tester): ... here. Take as a parameter
1145 loop_nest_depth. Call build_classic_dist_vector and
1146 build_classic_dir_vector.
1147 (compute_affine_dependence): Update subscript_dependence_tester
1148 parameters. Update datadep_stats counters. Call
1149 compute_subscript_distance.
1150 (compute_self_dependence): Save the dist and dir vectors. Call
1151 compute_subscript_distance.
1152 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
1153 (compute_all_dependences): Reorder parameters as they were before
1154 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
1155 compute_subscript_distance. Update the use of
1156 compute_affine_dependence and initialize_data_dependence_relation.
1157 (find_data_references_in_loop): Handle COMPONENT_REF.
1158 (compute_data_dependences_for_loop): Initialize dependence_stats.
1159 Don't call build_classic_dist_vector and build_classic_dir_vector.
1160 Update the parameters of initialize_data_dependence_relation and
1161 compute_all_dependences. Print the statistics from datadep_stats.
1162 (analyze_all_data_dependences): Static. Not used until the pass for
1163 checking the data dependences is contributed.
1164 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
1165 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
1166 (initialize_data_dependence_relation, compute_affine_dependence,
1167 analyze_all_data_dependences, compute_subscript_distance): Removed.
1168 (print_direction_vector): New.
1169 * lambda.h (gcd): ... here.
1170 (lambda_vector_gcd): Moved here from gcd_vector.
1171 * lambda-code.c (gcd, gcd_vector): Removed.
1172 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
1173 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
1175 2006-02-20 Diego Novillo <dnovillo@redhat.com>
1177 * ipa-type-escape.c: Tidy some comments and white space.
1178 * tree-ssa-operands.c: Likewise.
1180 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
1182 PR tree-opt/25879
1183 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
1184 (dump_decl_name): Do not walk the decl tree chains.
1185 * tree-pass.h (TDF_CHAIN): Remove.
1187 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1189 * Makefile.in (C): Remove
1190 (PROTO): Remove
1191 (.PHONY): Remove C and PROTO
1193 2006-02-20 Roger Sayle <roger@eyesopen.com>
1195 PR middle-end/26236
1196 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
1197 deprecated CHAR_TYPE tree code.
1199 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1201 * configure.ac (target_list): Add install-info, dvi, html.
1202 * configure: Regenerate.
1204 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
1205 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
1206 treelang/Make-lang.in: Do not use double-colon rules.
1208 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
1210 * tree.h (struct tree_memory_tag): Add is_used_alone member.
1211 (TMT_USED_ALONE): New macro.
1212 * tree-pass.h (PROP_tmt_usage): New property.
1213 (TODO_update_tmt_usage): New todo.
1214 * tree-ssa-alias.c (updating_used_alone): New variable.
1215 (recalculate_used_alone): New function.
1216 (compute_may_aliases): Set updating_used_alone, call
1217 recalculate_used_alone.
1218 * tree-sra.c (pass_sra): Note that this pass destroys
1219 PROP_tmt_usage, and add TODO_update_tmt_usage.
1220 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1221 * tree-flow.h (updating_used_alone): Prototype.
1222 (recalculate_used_alone): Ditto.
1223 * passes.c (execute_todo): Add code to set updating_used_alone,
1224 and call recalculate.
1225 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
1226 for clobber if used alone, and add assert to verify used_alone
1227 status.
1229 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
1231 * config/s390/s390.c (legitimize_pic_address): Assertions checking
1232 for non tls symbols added.
1233 (legitimize_address): Do nothing for PLUS expressions if one of the
1234 addends is a tls symbol reference.
1236 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1238 PR bootstrap/25476
1240 * Makefile.in (LDFLAGS): Define from autoconf substitution.
1242 * Makefile.in (BOOTSTRAPPING): New.
1243 (quickstrap): New definition if BOOTSTRAPPING=yes.
1245 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
1246 * configure.ac: Substitute all_selected_languages with the languages
1247 that were configured. For all the other variables except
1248 lang_specs_files, include all the languages in the tree.
1249 * configure: Regenerate.
1251 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
1252 if there is one. Run the commands to run fixincludes in the same
1253 subshell.
1255 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
1256 * doc/install.texi: Document exact conventions for searching target tools.
1257 Document --with-build-time-tools. Document toplevel bootstrap. Document
1258 something more about building an Ada cross-compiler. Don't list GNU Make
1259 requirements which affect all platforms.
1261 2006-02-19 Roger Sayle <roger@eyesopen.com>
1263 PR middle-end/19543
1264 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
1265 only equivalent if the have both the same mode and precision.
1267 2006-02-20 Ben Elliston <bje@au.ibm.com>
1269 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
1271 2006-02-19 Roger Sayle <roger@eyesopen.com>
1272 Steven Bosscher <stevenb.gcc@gmail.com>
1274 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
1275 constant pool references to identify stack mode constants.
1276 * rtlanal.c (constant_pool_constant_p): New predicate to check
1277 whether operand is a floating point constant in the pool.
1278 * rtl.h (constant_pool_constant_p): Prototype here.
1279 * loop.c (scan_loop): Avoid hoisting constants from the constant
1280 pool on STACK_REGS targets.
1281 (load_mems): Likewise.
1282 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
1283 loads into x87 registers expensive in terms of register pressure.
1285 2006-02-19 Roger Sayle <roger@eyesopen.com>
1287 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
1288 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
1290 2006-02-19 David Edelsohn <edelsohn@gnu.org>
1292 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
1293 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
1295 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
1297 * doc/invoke.texi: Document -fipa-pta.
1298 * common.opt: Add ipa-pta option.
1299 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
1300 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
1301 (do_ds_constraint): Ditto.
1302 (get_constraint_for): Only add to referenced_vars if
1303 referenced_vars exists.
1304 (insert_into_field_list): Rewrite to do this unsorted.
1305 (insert_into_field_list_sorted): Rename old insert_into_field_list
1306 to this.
1307 (create_function_info_for): Use insert_into_field_list_sorted.
1308 (create_variable_info_for): Rewrite so it uses unsorted version,
1309 since the field list is sorted.
1310 (intra_create_variable_infos): Only add to referenced_vars if
1311 referenced_vars exists.
1312 (ipa_pta_execute): Init heapvars, and delete when done.
1313 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
1315 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1317 * doc/install.texi: Add missing `@samp'.
1319 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1321 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
1322 Use the arguments.
1324 2006-02-18 Mark Wielaard <mark@klomp.org>
1326 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
1327 who added new 4.1 features, bug fixes and integration support.
1329 2006-02-18 David Edelsohn <edelsohn@gnu.org>
1331 PR target/26350
1332 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
1333 MEM for ABI_V4 pic.
1335 2006-02-18 Richard Sandiford <richard@codesourcery.com>
1337 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
1338 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
1339 (copy_insn_1): Likewise. Don't copy each field individually.
1340 Reindent.
1341 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
1342 of RTX_SIZE.
1343 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
1344 * rtl.c (rtx_size): Rename variable to...
1345 (rtx_code_size): ...this.
1346 (rtx_size): New function.
1347 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
1348 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
1349 Reindent.
1350 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
1351 * rtl.h (rtx_code_size): New variable.
1352 (rtx_size): Change from a variable to a function.
1353 (RTX_SIZE): Rename to...
1354 (RTX_CODE_SIZE): ...this.
1356 PR target/9703
1357 PR tree-optimization/17106
1358 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
1359 (Anchored Addresses): New section.
1360 * doc/invoke.texi (-fsection-anchors): Document.
1361 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
1362 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
1363 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
1364 * hooks.c (hook_bool_mode_rtx_false): New function.
1365 * hooks.h (hook_bool_mode_rtx_false): Declare.
1366 * gengtype.c (create_optional_field): New function.
1367 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
1368 SYMBOL_REF_IN_BLOCK_P is true.
1369 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
1370 (min_anchor_offset, max_anchor_offset): Likewise.
1371 (use_anchors_for_symbol_p): New hook.
1372 * toplev.c (compile_file): Call output_object_blocks.
1373 (target_supports_section_anchors_p): New function.
1374 (process_options): Check that -fsection-anchors is only used on
1375 targets that support it and when -funit-at-a-time is in effect.
1376 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
1377 if the decl doesn't have one.
1378 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
1379 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
1380 of force_const_mem through use_anchored_address.
1381 (expand_expr_constant): New function.
1382 (expand_expr_addr_expr_1): Call it. Use the same modifier when
1383 calling expand_expr for INDIRECT_REF.
1384 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
1385 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
1386 * expr.h (use_anchored_address): Declare.
1387 * loop-unroll.c: Don't declare rtx vectors here.
1388 * explow.c: Include output.h.
1389 (validize_mem): Call use_anchored_address.
1390 (use_anchored_address): New function.
1391 * common.opt (-fsection-anchors): New switch.
1392 * varasm.c (object_block_htab, anchor_labelno): New variables.
1393 (hash_section, object_block_entry_eq, object_block_entry_hash)
1394 (use_object_blocks_p, get_block_for_section, create_block_symbol)
1395 (use_blocks_for_decl_p, change_symbol_section): New functions.
1396 (get_variable_section): New function, split out from assemble_variable.
1397 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
1398 use_blocks_for_decl_p say so. Use change_symbol_section if the
1399 symbol has already been created.
1400 (assemble_variable_contents): New function, split out from...
1401 (assemble_variable): ...here. Don't output any code for
1402 block symbols; just pass them to place_block_symbol.
1403 Use get_variable_section and assemble_variable_contents.
1404 (get_constant_alignment, get_constant_section, get_constant_size): New
1405 functions, split from output_constant_def_contents.
1406 (build_constant_desc): Create a block symbol if use_object_blocks_p
1407 says so. Or into SYMBOL_REF_FLAGS.
1408 (assemble_constant_contents): New function, split from...
1409 (output_constant_def_contents): ...here. Don't output any code
1410 for block symbols; just pass them to place_section_symbol.
1411 Use get_constant_section and get_constant_alignment.
1412 (force_const_mem): Create a block symbol if use_object_blocks_p and
1413 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
1414 (output_constant_pool_1): Add an explicit alignment argument.
1415 Don't switch sections here.
1416 (output_constant_pool): Adjust call to output_constant_pool_1.
1417 Switch sections here instead. Don't output anything for block symbols;
1418 just pass them to place_block_symbol.
1419 (init_varasm_once): Initialize object_block_htab.
1420 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
1421 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
1422 (place_block_symbol, get_section_anchor, output_object_block)
1423 (output_object_block_htab, output_object_blocks): New functions.
1424 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
1425 (TARGET_ASM_OUT): Include it.
1426 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
1427 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
1428 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
1429 (TARGET_INITIALIZER): Include them.
1430 * rtl.c (rtl_check_failed_block_symbol): New function.
1431 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
1432 (block_symbol, object_block): New structures.
1433 (rtx_def): Add a block_symbol field to the union.
1434 (BLOCK_SYMBOL_CHECK): New macro.
1435 (rtl_check_failed_block_symbol): Declare.
1436 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
1437 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
1438 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
1439 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
1440 * output.h (output_section_symbols): Declare.
1441 (object_block): Name structure.
1442 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
1443 (default_use_anchors_for_symbol_p): Declare.
1444 * Makefile.in (RTL_BASE_H): Add vec.h.
1445 (explow.o): Depend on output.h.
1446 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
1447 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1448 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1449 (rs6000_use_blocks_for_constant_p): New function.
1451 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1453 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
1455 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1457 PR tree-opt/25680
1458 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
1459 IMAGPART_EXPR.
1461 2006-02-18 Diego Novillo <dnovillo@redhat.com>
1463 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
1464 is_aliased.
1465 Update all users.
1467 2006-02-18 Jakub Jelinek <jakub@redhat.com>
1469 PR middle-end/26334
1470 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
1471 instead of DECL_REGISTER.
1473 2006-02-18 Olivier Hainque <hainque@adacore.com>
1475 PR ada/13408
1476 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
1478 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
1480 PR target/24837
1481 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
1482 * opth-gen.awk: Handle Var and InverseMask together.
1483 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
1484 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
1485 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
1486 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
1487 used together.
1488 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1489 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1490 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
1491 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1492 LINUX_DYNAMIC_LINKER): Define.
1493 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
1494 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
1495 TARGET_GLIBC.
1496 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1497 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
1498 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1499 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1500 (TARGET_C99_FUNCTIONS): Don't define.
1501 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
1502 GLIBC_DYNAMIC_LINKER.
1503 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
1504 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
1505 GLIBC_DYNAMIC_LINKER64): Define.
1506 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1507 LINUX_DYNAMIC_LINKER64.
1508 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1509 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1510 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
1511 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1512 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1513 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1514 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
1515 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
1516 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
1517 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
1518 and LINUX_DYNAMIC_LINKER32.
1519 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1520 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1521 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
1522 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1523 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
1524 TARGET_GLIBC.
1525 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
1526 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
1527 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1528 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1529 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1530 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
1531 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
1532 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
1533 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1534 LINUX_DYNAMIC_LINKER): Define.
1535 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
1536 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
1537 GLIBC_DYNAMIC_LINKER64): Define.
1538 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1539 LINUX_DYNAMIC_LINKER64.
1540 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1541 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1542 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
1543 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1544 LINUX_DYNAMIC_LINKER): Define.
1545 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1546 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1547 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
1548 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
1549 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
1550 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1551 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
1552 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
1553 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1554 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1555 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1556 * doc/invoke.texi (-muclibc): Remove caveat about supported
1557 targets.
1559 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1561 * doc/cpp.texi (__TIMESTAMP__): Document.
1563 2006-02-17 Roger Sayle <roger@eyesopen.com>
1565 PR middle-end/25600
1566 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
1567 C is one less than the width of X (and related transformations).
1568 * simplify-rtx.c (simplify_unary_operation_1): Transform
1569 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
1570 depending on STORE_FLAG_VALUE, were C is one less then the
1571 width of X.
1573 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
1575 Fix PR tree-optimization/26341
1576 * tree-ssa-operands.c (add_virtual_operand): Remove assert
1577 about NAME_MEMORY_TAG's.
1579 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1581 PR target/26255
1582 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
1583 with hardware float support, and software float support. Add fcpy
1584 alternative to hardware patterns. Add alternatives to copy between
1585 general and floating-point registers to the 32-bit pattern.
1586 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
1587 secondary reload to load a QI or HI mode constant into a floating
1588 point register.
1589 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
1590 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
1592 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
1594 PR target/26272
1595 * config/rs6000/darwin.md (load_macho_picbase_si): Add
1596 pc to the pattern.
1597 (load_macho_picbase_di): Likewise.
1599 2006-02-16 Jeff Law <law@redhat.com>
1601 * tree-vrp.c (set_value_range_to_nonnegative): New function.
1602 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
1603 (ssa_name_nonzero_p): Likewise.
1604 (get_value_range): Return NULL if VRP is not running.
1605 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
1606 VRP routines do not discover a range.
1607 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
1608 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
1609 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
1610 (tree_expr_nonnegative_p): Similarly.
1611 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
1612 (restore_nonzero_vars_to_original_value): Remove.
1613 (unsafe_associative_fp_binop): Remove.
1614 (tree_ssa_dominator_optimize): Remove initialization and
1615 finalization of nonzero_vars and nonzero_vars_stack.
1616 (dom_opt_initialize_block): No longer push marker on
1617 nonzero_vars_stack.
1618 (dom_opt_finalize_block): No longer call
1619 restore_nonzero_vars_to_original_value.
1620 (record_equivalences_from_phis): No longer look for
1621 nonzero PHI arguments.
1622 (cprop_into_successor_phis): No longer propagate nonzero
1623 property into PHI arguments. Lose unused argument. Caller
1624 updated.
1625 (record_equivalences_from_stmt): No longer record nonzero
1626 values for SSA_NAMEs.
1627 (lookup_avail_expr): No longer use nonzero_vars.
1629 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
1630 for sizetype when sizetype is unsigned.
1632 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
1634 PR rtl-optimization/25603
1635 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
1636 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
1637 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
1638 with new meaning of SETS.
1640 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
1642 PR target/20353
1643 PR target/24578
1644 PR target/24837
1645 * config/linux.opt: New file.
1646 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
1647 LINUX_DYNAMIC_LINKER): Define.
1648 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
1649 * config.gcc (*-*-linux*): Define extra_options.
1650 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
1651 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
1652 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
1653 GLIBC_DYNAMIC_LINKER.
1654 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
1655 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1656 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1657 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1658 * doc/invoke.texi (GNU/Linux Options): New section.
1660 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1662 * config/sparc/sparc.md (setjmp): Rewrite.
1663 (setjmp_32): Delete.
1664 (setjmp_64): Likewise.
1666 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
1668 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
1669 previous change.
1671 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1673 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
1674 read-write uses.
1676 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1678 PR rtl-optimization/26296
1679 * Makefile.in (loop-invariant.c): Add except.h dependency.
1680 * loop-invariant.c: Include except.h.
1681 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
1683 2005-02-16 Paul Brook <paul@codesourcery.com>
1685 * reload1.c (emit_reload_insns): Invalidate dead input registers used
1686 for reloads.
1688 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
1690 PR rtl-optimization/25636
1691 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
1692 when deciding whether an insn is an initializing insn.
1694 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
1696 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
1697 (tree_code_size): Ditto.
1698 * tree.h (struct tree_memory_tag): Remove parent_var.
1699 (struct tree_struct_field_tag): New.
1700 (SFT_OFFSET): New.
1701 (SFT_SIZE): New.
1702 (union tree_node): Add sft member.
1703 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
1704 specially here.
1705 (create_sft): Add size and offset argument, set SFT_OFFSET and
1706 SFT_SIZE.
1707 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
1708 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
1709 * tree-flow-inline.h (get_subvar_at): Update for
1710 SFT_OFFSET/SFT_SIZE.
1711 (var_can_have_subvars): Ditto.
1712 (overlap_subvar): Ditto.
1713 * print-tree.c (print_node): Print out interesting things for
1714 SFT's.
1715 * tree-flow.h (struct subvar): Remove offset and size members.
1716 * tree-ssa-operands.c (get_expr_operands): Update for
1717 get_indirect_ref_operands changes.
1718 (get_indirect_ref_operands): Call add_virtual_operand instead of
1719 add_stmt_operand. Only recurse on base var if requested.
1720 (access_can_touch_variable): New function.
1721 (add_stmt_operand): Split virtual operand handling into ...
1722 (add_virtual_operand): Here. Add offset, size, and for_clobber
1723 arguments. Prune alias sets.
1724 (add_call_clobber_ops): Call add_virtual_operand.
1726 2006-02-15 Jakub Jelinek <jakub@redhat.com>
1728 PR middle-end/26300
1729 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
1731 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
1732 than TREE_CODE as index into omp_clause_num_ops array.
1734 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
1736 PR rtl-optimization/26184
1737 * modulo-sched.c (generate_reg_moves): Free bitmap vector
1738 uses_of_defs.
1739 * modulo-sched.c (sms_schedule): Free g_arr pointer.
1740 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
1741 must_precede, must_follow and tobe_scheduled.
1743 PR other/26147
1744 * opts.c (common_handle_option): Free new_option pointer.
1745 * df-core.c (df_analyze): Free postorder pointer.
1747 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1749 * Makefile.in: Fix the examples about the use of stamps
1751 2006-02-15 Michael Matz <matz@suse.de>
1753 PR middle-end/22275
1755 * stor-layout.c (layout_decl): Zero-width bitfields aren't
1756 influenced by maximum_field_alignment or DECL_PACKED.
1757 (update_alignment_for_field): Ditto.
1758 (place_field): Ditto.
1759 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
1760 this behaviour.
1762 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
1764 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
1765 (debug_flow_info): Pass it.
1766 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
1767 * bb-reorder.c (reorder_basic_blocks): Likewise.
1768 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
1769 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
1770 * flow.c (life_analysis, recompute_reg_usage): Likewise.
1771 * gcse.c (gcse_main, bypass_jumps): Likewise.
1772 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
1773 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
1774 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
1775 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
1776 * rtl.h (dump_flow_info): Adjust prototype.
1777 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
1778 * var-tracking.c (variable_tracking_main): Likewise.
1779 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
1780 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
1781 options.
1783 2006-02-15 Marcin Dalecki <martin@dalecki.de>
1785 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
1786 construction.
1788 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
1790 PR tree-optimization/26209
1791 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
1792 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
1793 eh edges.
1794 * tree-cfg.c (replace_uses_by): Do not alter cfg.
1796 2006-02-14 Roger Sayle <roger@eyesopen.com>
1798 PR middle-end/23670
1799 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
1800 (X,Y) and the corresponding symmetry related transformations.
1801 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
1802 (X,Y) and its symmetry related transformations.
1804 2006-02-14 Roger Sayle <roger@eyesopen.com>
1806 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
1807 and GEU.
1809 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
1811 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
1813 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1815 PR bootstrap/26053
1816 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
1817 support COMDAT group.
1818 * configure: Regenerate.
1820 2006-02-14 Roger Sayle <roger@eyesopen.com>
1822 PR middle-end/26279
1823 PR middle-end/26280
1824 PR middle-end/26283
1825 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
1827 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
1829 Fix PR tree-optimization/26260
1831 * doc/invoke.texi (max-fields-for-field-sensitive): Document
1832 param.
1833 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
1834 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
1835 * tree-ssa-structalias.c (create_variable_info_for): Use
1836 MAX_FIELDS_FOR_FIELD_SENSITIVE.
1838 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
1840 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
1841 Document.
1842 * tree-ssa-loop-niter.c (number_of_iterations_ne,
1843 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
1844 of the ending condition.
1845 * tree-ssa-loop-manip.c: Include params.h.
1846 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
1847 tree_unroll_loop): New functions.
1848 * tree-pass.h (pass_loop_prefetch): Declare.
1849 * loop.c (rest_of_handle_loop_optimize): Test for
1850 -fprefetch-loop-arrays-rtl.
1851 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
1852 * timevar.def (TV_TREE_PREFETCH): New timevar.
1853 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
1854 pass_loop_prefetch): New.
1855 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
1856 (cleanup_tree_cfg_loop): Call scev_reset.
1857 * common.opt (fprefetch-loop-arrays-rtl): Add.
1858 * tree-ssa-loop-prefetch.c: New file.
1859 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
1860 (new_temp_expr_table): Initialize expr_vars.
1861 (free_temp_expr_table): Cleanup expr_vars.
1862 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
1863 expressions from being merged into one.
1864 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
1865 (struct tree_niter_desc): Add control, bound and cmp fields.
1866 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
1867 Declare.
1868 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
1869 (tree-cfgcleanup.o): Add SCEV_H dependency.
1870 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
1871 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
1873 2006-02-14 Richard Guenther <rguenther@suse.de>
1875 PR tree-optimization/26258
1876 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
1877 in PHI argument processing.
1879 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
1881 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
1882 new expression in the requested machine mode.
1884 2006-02-13 Roger Sayle <roger@eyesopen.com>
1886 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
1887 directly, instead let do_compare_rtx_and_jump handle this for us.
1888 * expr.c (expand_expr_real_1): Likewise.
1889 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
1890 before do_jump_by_parts_greater.
1891 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
1892 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
1894 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1896 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
1898 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
1900 PR rtl-optimization/26235
1901 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
1902 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
1903 format.
1905 2006-02-13 Jeff Law <law@redhat.com>
1907 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
1908 TRUTH_XOR_EPR.
1910 2006-02-13 Jakub Jelinek <jakub@redhat.com>
1912 PR middle-end/26092
1913 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
1914 twice if decl is a builtin. When trying again, call get_callee_fndecl
1915 first to verify it is still a builtin.
1917 2006-02-13 Geoffrey Keating <geoffk@apple.com>
1919 * dwarf2out.c (base_type_die): Don't add AT_name here.
1920 (subrange_type_die): Don't add AT_name here.
1921 (modified_type_die): Rearrange code flow. Do add AT_name here.
1923 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
1925 PR rtl-optimization/26247
1926 PR rtl-optimization/26248
1927 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
1929 2006-02-13 Richard Sandiford <richard@codesourcery.com>
1931 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
1932 * config/fixtfdi.c: Likewise.
1933 * config/fixunstfdi.c: Likewise.
1934 * config/floatditf.c: Likewise.
1936 2006-02-13 Roger Sayle <roger@eyesopen.com>
1938 PR middle-end/24427
1939 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
1940 into (X,C2) if C1 is a subset of the bits of C2. Transform
1941 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
1942 (X&(C1&~C2))|C2.
1943 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
1945 2006-02-13 Josh Conner <jconner@apple.com>
1947 PR target/25376
1948 * varasm.c (function_section): Check for section name before
1949 calling select_section on targets that define
1950 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
1951 unlikely_text_section instead of hot_function_section if
1952 first_function_block_is_cold.
1954 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
1956 PR middle-end/25335
1957 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
1959 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1961 PR rtl-optimization/26222
1962 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
1963 after tree->rtl expansion.
1964 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
1965 before passing it to emit_move_insn.
1967 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
1969 * doc/invoke.texi (-Write-strings): Document that it is enabled by
1970 default.
1971 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
1972 Clarify documentation.
1973 * c-common.h (warn_write_strings): Remove.
1974 * c-common.c (warn_write_strings): Likewise.
1975 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
1976 default for C++.
1978 2006-02-12 Roger Sayle <roger@eyesopen.com>
1980 PR middle-end/25724
1981 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
1982 (do_jump_parts_zero_rtx): New function renamed from
1983 do_jump_parts_equality_rtx. Made static. Add a mode argument.
1984 (do_jump_parts_equality_rtx): New function split out from
1985 do_jump_parts_equality. Old implementation renamed as above.
1986 Call do_jump_parts_zero_rtx if either operand is zero.
1987 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
1988 do all of the heavy lifting.
1989 (do_compare_rtx_and_jump): Handle multi-word comparisons by
1990 calling either do_jump_by_parts_greater_rtx or
1991 do_jump_by_parts_equality_rtx.
1992 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
1993 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
1994 moved to do_compare_rtx_and_jump, call it directly.
1995 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
1996 mode argument. Call do_compare_rtx_and_jump.
1997 (emit_case_nodes): Update calls to do_jump_if_equal.
1999 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2001 PR rtl-optimization/26225
2002 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
2004 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2006 PR rtl-optimization/26232
2007 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
2009 2006-02-11 Jason Merrill <jason@redhat.com>
2011 PR tree-opt/24365
2012 * tree-inline.c (declare_return_variable): Just don't use the
2013 modify target if it's a gimple complex reg and the return slot
2014 isn't.
2016 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2018 * doc/contrib.texi: Update my entry.
2020 2006-02-10 Geoffrey Keating <geoffk@apple.com>
2022 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
2024 2006-02-10 Diego Novillo <dnovillo@redhat.com>
2026 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
2027 expensive.
2029 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
2031 * doc/invoke.texi (-floop-optimize2): Removed.
2032 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
2033 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
2034 Test flag_branch_on_count_reg only if HAVE_doloop_end.
2035 * common.opt (floop-optimize2): Removed.
2036 (fmove-loop-invariants): Enabled by default.
2038 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
2040 * tree-if-conv.c (combine_blocks): Free the result of
2041 get_loop_exit_edges.
2043 2006-02-10 Jeff Law <law@redhat.com>
2045 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
2047 PR tree-optimization/26213
2048 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
2049 loop trying to follow SSA_NAME_VALUE chains.
2051 2006-02-10 Richard Guenther <rguenther@suse.de>
2053 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
2054 deal with structures that end in implicitly variable sized arrays.
2056 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2058 PR rtl-optimization/24762
2059 * df-scan.c (df_bb_refs_record): Record correct registers defined on
2060 eh edges.
2062 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2064 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
2065 (struct ivopts_data): Add regs_used field.
2066 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
2067 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
2068 instead of loop_data->regs_used;
2069 (free_loop_data): Do not free aux fields for loops.
2070 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
2071 and tree_ssa_iv_optimize_finalize.
2073 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
2075 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
2077 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2079 PR target/26141
2080 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
2081 computing the effective result type.
2083 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2085 PR inline-asm/16194
2086 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
2087 (tree_overlaps_hard_reg_set): Declare.
2088 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
2089 type and signature to match function type expected by walk_tree.
2090 (tree_overlaps_hard_reg_set): New function.
2091 (decl_conflicts_with_clobbers_p): Rename to:
2092 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
2093 Use tree_overlaps_hard_reg_set. Changed caller.
2094 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
2095 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
2096 * cris.c (cris_md_asm_clobbers): Likewise.
2098 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
2100 * reload1.c (emit_input_reload_insns): Delete code that tries to
2101 inherit using find_equiv_reg.
2103 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
2105 * c-common.h (flag_const_strings): Don't declare.
2106 * c-common.c (flag_const_strings): Remove.
2107 * c.opt (fconst_strings): Remove.
2108 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
2109 <OPT_Wwrite_strings>: Don't set flag_const_strings.
2110 (c_common_init_options): Don't set flag_const_strings.
2111 * doc/invoke.texi (-fno-const-strings): Remove documentation.
2113 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
2115 * arm.md (tlobits_cbranch): New pattern.
2116 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
2117 testing a single bit.
2119 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2121 PR tree-opt/26179
2122 * tree-ssa-pre.c (create_component_ref_by_pieces):
2123 Handle RETURN_DECL like VAR_DECL.
2125 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2127 PR middle-end/26134
2128 * fold-const.c (fold_indirect_ref_1): Fold
2129 "*(foo *)&complexfoo" to "__real__ complexfoo"
2130 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
2132 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2134 * tree-flow-inline.h (var_can_have_subvars):
2135 Volatile variables should not have subvariables.
2137 2006-02-09 Diego Novillo <dnovillo@redhat.com>
2139 PR 26180
2140 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
2141 multiplying unsigned values.
2142 Tidy comments.
2144 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
2146 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
2148 2006-02-08 Jason Merrill <jason@redhat.com>
2150 PR c++/25979
2151 * tree.def: Elaborate on difference from MODIFY_EXPR.
2152 * doc/c-tree.texi (INIT_EXPR): Likewise.
2153 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
2154 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
2155 (gimplify_target_expr): Likewise.
2156 (gimplify_cond_expr): Remove target handling.
2157 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
2158 (gimplify_expr): Clobber it here.
2159 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
2160 Do return slot optimization if we have an INIT_EXPR.
2162 PR tree-opt/24365
2163 * tree-inline.c (declare_return_variable): Also clear
2164 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
2166 PR c++/16405
2167 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
2169 PR middle-end/22439
2170 * gimplify.c (gimplify_one_sizepos): Fix typo.
2172 2006-02-08 Jeff Law <law@redhat.com>
2174 PR tree-optimization/21417
2175 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
2176 across a backedge if the control statement at the end of the
2177 block is data dependent on other statements in the same block.
2178 (record_temporary_equivalences_from_stmts): Remove over-conservative
2179 test for threading across backedges.
2181 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
2182 control statement, handle all three special cases in the same
2183 manner as they all have the same desired solution. No longer
2184 special case edge flag updating when the post dominator is
2185 the exit block.
2187 2006-02-08 Roger Sayle <roger@eyesopen.com>
2189 * tree.def (CHAR_TYPE): Remove.
2190 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
2191 * dwarf2out.c (base_type_die, is_base_type): Likewise.
2192 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
2193 (gen_string_type_die): Delete unreachable function.
2195 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
2196 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
2197 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
2198 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
2199 * builtins.c (type_to_class): Likewise.
2200 * fold-const.c (fold_convert, build_range_check,
2201 merge_ranges): Likewise.
2202 * expr.c (count_type_elements): Likewise.
2203 * c-pretty-print.c (pp_c_type_specifier): Likewise.
2204 * stor-layout.c (layout_type): Likewise.
2205 * ipa-type-escape.c (type_to_consider): Likewise.
2206 * gimplify.c (omp_firstprivatize_type_sizes,
2207 gimplify_type_sizes): Likewise.
2208 * explow.c (promote_mode): Likewise.
2209 * tree-sra.c (is_sra_scalar_type): Likewise.
2210 * varasm.c (output_constant): Likewise.
2211 * tree-inline.c (remap_type_1): Likewise.
2212 * convert.c (convert_to_pointer, convert_to_real,
2213 convert_to_integer, convert_to_complex): Likewise.
2215 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
2217 * df-scan.c (df_def_record_1): A set destination may
2218 be a parallel regardless of mode.
2220 2006-02-08 Roger Sayle <roger@eyesopen.com>
2222 PR target/22209
2223 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
2224 * config/mips/_tilib.c: Remove.
2225 * config/fixtfdi.c: New libgcc source file.
2226 * config/fixunstfdi.c: New source file.
2227 * config/floatditf.c: New source file.
2228 * config/floatunditf.c: New souce file.
2229 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2230 files above instead of config/mips/_tilib.c.
2231 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2233 2006-02-08 Jeff Law <law@redhat.com>
2235 PR tree-optimization/26169
2236 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
2237 threading jumps.
2239 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
2241 * df.h (DF_REG_SIZE): Return the length of the initialized
2242 part of the array.
2244 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
2246 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
2247 __muldf3): Return a correctly signed zero.
2249 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
2251 * passes.c (register_one_dump_file): Accept the current properties
2252 instead of pass number. Adjust call to dump_register. Remove
2253 duplicated code.
2254 (register_dump_files): Now a wrapper around...
2255 (register_dump_files_1): ... this one. Do not modify the pass
2256 structure.
2257 (next_pass_1): Cosmetic fix.
2258 (execute_todo): Keep second parameter only. Use curr_properties
2259 instead of fetching it from the pass structure. Check and set
2260 last_verified.
2261 (execute_one_pass): Handle TODO_set_props. Use curr_properties
2262 instead of fetching it from the pass structure. Fix calls to
2263 execute_todo. Update curr_properties and initialize .vcg RTL dump
2264 after running the pass. Reset last_verified.
2265 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
2266 at the beginning.
2267 (FIRST_AUTO_NUMBERED_DUMP): New.
2268 (dump_register): Remove "num" parameter, assign it within the
2269 function.
2270 (get_dump_file_name): Modify template for dumps.
2271 * tree-dump.h (dump_register): Adjust prototype.
2272 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
2273 (PROP_trees): Add PROP_gimple_lomp.
2274 (TODO_set_props): New.
2275 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
2276 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
2277 * cfgexpand.c (pass_expand): Destroy PROP_trees.
2279 2006-02-08 Jakub Jelinek <jakub@redhat.com>
2281 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
2282 (sparc64-*-linux*): Likewise.
2283 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
2284 * config/sparc/t-linux: New file.
2285 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
2286 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
2287 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
2288 -m32 -mlong-double-128.
2290 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
2291 * config/alpha/t-linux: New file.
2292 * config/alpha/libgcc-alpha-ldbl.ver: New file.
2294 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
2295 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
2296 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
2297 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
2298 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
2299 (CPP_ARCH32_SPEC): Remove.
2301 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
2303 PR tree-optimization/26145
2304 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
2305 bbs pointer.
2307 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2309 PR target/26109
2310 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
2311 >= 240000 when generating code for SOM runtime.
2312 (output_indirect_call): Don't use "b,l" instruction for indirect calls
2313 to $$dyncall when generating code for SOM runtime..
2315 2006-02-07 Dirk Mueller <dmueller@suse.com>
2317 PR c++/18150
2318 * doc/invoke.texi (-Wsequence-point): Update documentation
2319 that -Wsequence-point is implemented for C++ as well.
2321 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2323 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
2324 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
2325 (LIB_SPEC): Likewise.
2326 * doc/invoke.texi (SPARC options): Document -pthread.
2328 2006-02-07 Geoffrey Keating <geoffk@apple.com>
2330 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
2331 PIC addresses.
2333 2006-02-07 Roger Sayle <roger@eyesopen.com>
2335 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
2336 Correct comment describing BOOLEAN_TYPE.
2338 2006-02-07 Dirk Mueller <dmueller@suse.com>
2340 * c.opt: C++ frontend supports -Wdiv-by-zero.
2341 * c-opts.c (c_common_handle_option): Remove dead case.
2343 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2345 * configure.ac (TLS assembler check): Do not enable TLS by
2346 default on SPARC/Solaris before version 10.
2347 * configure: Regenerate.
2349 2006-02-07 David Edelsohn <edelsohn@gnu.org>
2351 * doc/invoke.texi (xl-compat): Document conversion and support
2352 routine names.
2354 2006-02-07 Jeff Law <law@redhat.com>
2356 * tree-vrp.c (find_conditional_asserts): Update comments.
2357 (simplify_stmt_for_jump_threading): New.
2358 (identify_jump_threads, finalize_jump_threads): New.
2359 (vrp_finalize): Call identify_jump_threads.
2360 (execute_vrp): Call finalize_jump_threads.
2361 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
2362 (vrp_element, vrp_data, vrp_element_p): Remove.
2363 (vrp_hash_elt, vrp_variables_stack): Remove.
2364 (vrp_hash, vrp_eq, record_range): Remove.
2365 (simplify_cond_and_lookup_avail_expr): Remove.
2366 (extract_range_from_cond): Remove.
2367 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
2368 (simplify_stmt_for_jump_threading): New.
2369 (dom_thread_across_edge): New wrapper.
2370 (tree_ssa_dominator_optimize): No longer initialize or
2371 finalize any of the VRP datastructures. Remove iteration
2372 step and simplify as a result of removal of iteration step.
2373 (pass_dominator): Perform a cfg cleanup after DOM.
2374 (dom_opt_finalize_block): Use the new common routines
2375 for threading jumps. Simplify stack management slightly.
2376 No longer need to unwind VRP state.
2377 (record_equivalences_from_incoming_edge): No longer record
2378 VRP information.
2379 (eliminate_redundant_computations): No longer call
2380 simplify_cond_and_lookup_avail_expr.
2381 * tree-flow.h (potentially_threadable_block): Prototype.
2382 (thread_across_edge): Likewise.
2383 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
2384 (tree-ssa-threadedge.o): Add dependencies.
2385 * tree-ssa-threadedge.c: New file.
2386 * passes.c (init_optimization_passes): Merge PHIs before
2387 calling VRP. Run VRP again late in the SSA optimization pipeline.
2389 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2391 * df-core.c (df_set_blocks): Do not dereference function pointers.
2392 (df_finish1): Likewise.
2393 (df_hybrid_search_forward): Likewise.
2394 (df_hybrid_search_backward): Likewise.
2395 (df_iterative_dataflow): Likewise.
2396 (df_analyze_problem): Likewise.
2397 (df_compact_blocks): Likewise.
2398 (df_dump): Likewise.
2399 * df-scan.c (df_rescan_blocks): Likewise.
2400 (df_record_entry_block_defs): Likewise.
2402 * genconditions.c (write_conditions): Guard the definition of
2403 'insn_conditions' with the check on GCC version.
2404 (write_writer): Guard the traversal 'insn_conditions' with
2405 the check on GCC version.
2407 2006-02-07 Richard Guenther <rguenther@suse.de>
2409 PR c++/26140
2410 Revert
2411 2006-01-30 Richard Guenther <rguenther@suse.de>
2412 PR c++/23372
2413 * gimplify.c (gimplify_target_expr): Handle easy cases
2414 without creating a temporary.
2416 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
2418 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
2419 use of float in probability computations. Use edge probabilities
2420 in place of statically computed probabilities.
2421 (min_spec_prob): New static variable.
2422 (schedule_insns): Initialize it.
2423 (GET_SRC_PROB): Removed.
2424 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
2426 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
2428 PR debug/24444
2429 * config/ia64/unwind-ia64.c: Revert last change.
2430 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
2431 (INCOMING_FRAME_SP_OFFSET): Define.
2433 2006-02-06 Roger Sayle <roger@eyesopen.com>
2435 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
2437 2006-02-07 Ben Elliston <bje@au.ibm.com>
2439 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
2440 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
2441 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
2442 (ix86_return_in_memory): Handle TDmode.
2443 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
2444 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
2446 2006-02-06 Richard Sandiford <richard@codesourcery.com>
2448 * reorg.c (dbr_schedule): Use dump_file instead of file.
2450 2006-02-06 Steve Ellcey <sje@cup.hp.com>
2452 PR target/25917
2453 * config/ia64/predicates.md (extr_len_operand): New predicate.
2454 * config/ia64/ia64.md (extv): Tighten constraints.
2455 (extzv): Ditto.
2456 (*tbit_and_2): Ditto.
2457 (*tbit_and_3): Ditto.
2458 (*tbit_or_2): Ditto.
2459 (*tbit_or_3): Ditto.
2460 (*bit_zero): Ditto.
2461 (*bit_one): Ditto.
2463 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
2465 PR target/23359
2466 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
2468 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
2470 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
2471 loop_optimizer_init and loop_optimizer_finalize
2472 * tree-ssa-sink.c (execute_sink_code): Ditto.
2473 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2474 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
2475 tree_ssa_loop_done): Ditto.
2476 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
2477 * sched-ebb.c: Include output.h.
2478 (schedule_ebbs): Do not use dump argument.
2479 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
2480 * loop.c (loop_dump_stream): Removed.
2481 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
2482 argument.
2483 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
2484 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
2485 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
2486 loop_iterations, strength_reduce, record_biv, record_giv,
2487 final_giv_value, check_final_value, check_ext_dependent_givs,
2488 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
2489 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
2490 dump_file instead of loop_dump_stream.
2491 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
2492 argument dump_file.
2493 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
2494 dump argument.
2495 * flow.c (life_analysis, rest_of_handle_life): Ditto.
2496 * haifa-sched.c: Include output.h
2497 (schedule_insns, sched_init): Do not use dump argument.
2498 * mode-switching.c (optimize_mode_switching): Ditto.
2499 * modulo-sched.c (stats_file): Removed.
2500 (print_node_sched_params): Do not call argument dump_file.
2501 (sms_schedule_by_order, loop_canon_p, sms_schedule,
2502 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
2503 of stats_file.
2504 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
2505 use dump argument.
2506 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
2507 rtl_loop_init, rtl_loop_done): Ditto.
2508 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
2509 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
2510 Ditto.
2511 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
2512 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
2513 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
2514 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
2515 * emit-rtl.c (renumber_insns): Ditto.
2516 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
2517 expand_gimple_basic_block, tree_expand_cfg): Ditto.
2518 * regclass.c (regclass): Ditto.
2519 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
2520 remove_ssa_form, rewrite_out_of_ssa): Ditto.
2521 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
2522 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
2523 Ditto.
2524 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
2525 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
2526 to regclass.
2527 * gcse.c (gcse_file, debug_stderr): Removed.
2528 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
2529 rest_of_handle_gcse): Do not use dump argument.
2530 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
2531 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
2532 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
2533 compute_code_hoist_vbeinout, compute_code_hoist_data,
2534 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
2535 compute_store_table, build_store_vectors, insert_insn_start_bb,
2536 insert_store, remove_reachable_equiv_notes, replace_store_insn,
2537 store_motion): Use dump_file instead of gcse_file.
2538 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
2539 * profile.c (profile_dump_file): Removed.
2540 (branch_prob): Use dump_file instead of profile_dump_file.
2541 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
2542 dump_file.
2543 * tree-ssa-copy.c (dump_copy_of): Ditto.
2544 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
2545 dump file to life_analysis.
2546 * bt-load.c (branch_target_load_optimize): Ditto.
2547 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
2548 renumber_insns.
2549 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
2550 regclass, dbr_schedule): Declaration changed.
2551 * sched-int.h (sched_init): Declaration changed.
2552 * tree-profile.c (tree_profile_dump_file): Removed.
2553 (tree_profile_hooks): Removed profile_dump_file hook.
2554 * rtl-profile (rtl_profile_dump_file): Removed.
2555 (rtl_profile_hooks): emoved profile_dump_file hook.
2556 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
2557 changed.
2558 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
2559 * tree-cfg.c (build_tree_cfg): Ditto.
2560 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
2561 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
2562 Declaration changed.
2563 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
2564 life_analysis and schedule_insns.
2565 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
2566 life_analysis.
2567 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
2568 dbr_schedule.
2569 * config/mips/mips.c (mips_reorg): Ditto.
2570 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
2571 schedule_ebbs.
2573 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
2575 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2576 (s390_mangle_fundamental_type): New.
2577 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2578 Define.
2580 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2581 (alpha_mangle_fundamental_type): New.
2582 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2583 Define.
2585 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2586 Define.
2587 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2588 Define.
2589 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2590 (sparc_mangle_fundamental_type): New.
2592 2006-02-06 Jakub Jelinek <jakub@redhat.com>
2594 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
2595 (s390x-*-linux*): Likewise.
2596 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
2597 * config/s390/t-linux: New file.
2599 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2601 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
2602 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
2604 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
2606 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
2607 (ANTIC_SAFE_LOADS): New macro.
2608 (find_or_generate_expression): Add prototype.
2609 (set_contains_value): Allow null set for sake of not always having
2610 to allocate ANTIC_SAFE_LOADS.
2611 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
2612 Allow COMPONENT_REF too.
2613 (valid_in_set): Allow COMPONENT_REF.
2614 Check ANTIC_SAFE_LOADS too.
2615 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
2616 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
2617 rename.
2618 (can_PRE_operation): Add COMPONENT_REF.
2619 (create_component_ref_by_pieces): New function.
2620 (create_expression_by_pieces): Use create_component_ref_by_pieces.
2621 (insert_aux): Move AGGREGATE_TYPE_P check here.
2622 (compute_avail): Set bb local stmt uids.
2623 (pass_pre): Use TODO_update_ssa_only_virtuals.
2625 2006-02-06 Ben Elliston <bje@au.ibm.com>
2627 * configure.ac: Unconditionally disable decimal float by default.
2628 * configure: Regenerate.
2630 2006-02-06 Ben Elliston <bje@au.ibm.com>
2632 * read-rtl.c (read_name): Terminate reading on EOF.
2634 2006-02-06 Ben Elliston <bje@au.ibm.com>
2636 * dfp.c (decimal_real_arithmetic): Change second argument type
2637 from int to enum tree_code. Do not always return true, but now
2638 return result of any call to decimal_do helper functions.
2639 * dfp.h (decimal_real_arithmetic): Update prototype.
2641 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
2643 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
2645 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
2647 PR tree-opt/25251
2648 * tree-cfg.c (cleanup_dead_labels): Also don't remove
2649 forced labels.
2651 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2653 * tree-vrp.c (cfg_loops): Removed.
2654 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
2655 Use current_loops instead of cfg_loops. Pass flags to
2656 loop_optimizer_init.
2657 * cfgloopmanip.c (fix_loop_structure): Update only available
2658 information.
2659 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
2660 loop_optimizer_init.
2661 * modulo-sched.c (build_loops_structure): Removed.
2662 (sms_schedule): Use loop_optimizer_init.
2663 * loop-init.c (loop_optimizer_init): Use flags to determine
2664 which properties of loops to prepare.
2665 (rtl_loop_init): Pass flags to loop_optimizer_init.
2666 * tree-ssa-sink.c (execute_sink_code): Ditto.
2667 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
2668 * tree-ssa-pre.c (init_pre): Ditto.
2669 * cfgloop.h (LOOPS_NORMAL): New.
2670 (loop_optimizer_init): Declaration changed.
2672 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2674 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
2675 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
2676 pa/t-pa.
2677 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
2678 pa/t-pa.
2679 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
2680 pa/x-ada.
2681 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
2682 * pa/t-pa64: Delete quadlib.c rule.
2683 * pa/x-ada: Revert last change.
2684 * pa/t-pa: Revert last change. Delete quadlib.c rule.
2686 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2688 PR rtl-optimization/26087
2689 * rtlanal.c (canonicalize_condition): Do not cross basic block
2690 boundaries.
2692 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
2694 PR debug/24444
2695 * config/ia64/ia64.c: Include debug.h.
2696 (MAX_ARTIFICIAL_LABEL_BYTES): New.
2697 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
2698 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
2699 (process_epilogue, process_set, process_for_unwind_directive):
2700 Output unwind info only if requested. Add CFA info if requested.
2701 Add new arguments as needed. Adjust callers.
2702 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
2703 incorrect default.
2704 (DWARF2_FRAME_INFO): Define to zero.
2705 * config/ia64/unwind-ia64.c: Remove code that compensated for
2706 the CFA offset error fixed above.
2707 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
2708 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
2709 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
2710 -funwind-tables and -fexceptions to enable frame info.
2711 (dwarf2out_frame_init): Define initial CFA even if
2712 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
2713 DWARF2_UNWIND_INFO is nonzero, not just defined.
2714 (dwarf2out_frame_finish): Output non-EH call frame info only
2715 if DWARF2_FRAME_INFO is nonzero.
2716 (convert_cfa_to_loc_list,
2717 compute_frame_pointer_to_cfa_displacement): Define even if
2718 unwind info is not supported.
2719 (gen_subprogram_die): Use the above unconditionally. Remove
2720 legacy alternate code.
2721 * toplev.c (compile_file): Compile in call to
2722 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
2723 (lang_dependent_init): Ditto for dwarf2out_frame_init.
2725 2006-02-04 David Edelsohn <edelsohn@gnu.org>
2726 Jakub Jelinek <jakub@redhat.com>
2728 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
2729 IBM extended float format long double as "g" on powerpc*-linux.
2731 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2733 PR target/25926
2734 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
2735 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
2737 2006-02-03 Jason Merrill <jason@redhat.com>
2739 PR c++/25979
2740 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
2742 PR middle-end/25977
2743 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
2744 on the return slot if it's an NRV.
2746 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
2748 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
2749 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
2750 rewrite_use): Do not handle USE_OUTER.
2751 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
2752 add_iv_outer_candidates, may_replace_final_value,
2753 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
2754 (find_interesting_uses_op): Functionality of
2755 find_interesting_uses_outer_or_nonlin moved here.
2756 (find_interesting_uses_outside): Use find_interesting_uses_op.
2758 2006-02-03 Alan Modra <amodra@bigpond.net.au>
2760 PR target/25960
2761 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
2763 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
2764 Ulrich Weigand <uweigand@de.ibm.com>
2766 PR target/25864
2767 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
2768 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
2769 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
2770 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
2771 and dxr fields.
2772 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
2773 (s390_rtx_costs): Use the new fields to calculate rtx costs.
2774 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
2775 Define secondary reloads for TFmode moves.
2776 (constant_modes): Add TFmode.
2777 (NR_C_MODES): Set to 8.
2778 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
2779 builtin define.
2780 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
2781 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
2782 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
2783 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
2784 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
2785 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
2786 (FPR mode macro): Add TFmode.
2787 (DSF mode macro): New.
2788 (<de>, <dee> mode attributes): Removed.
2789 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
2790 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
2791 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
2792 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
2793 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
2794 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
2795 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
2796 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
2797 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
2798 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
2799 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
2800 "*negabs<mode>2", "sqrt<mode>2"):
2801 Changed <de> to <xde>. R constraint replaced by <Rf>.
2802 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
2803 <Rf>.
2804 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
2805 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
2806 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
2807 splitters.
2808 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
2809 "extenddftf2", "extendsftf2"): New expanders.
2810 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
2811 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
2812 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
2813 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
2814 New options.
2815 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
2816 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
2817 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
2818 __floatditf): Add a GCC_4.1.0 symbol version tag.
2819 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
2820 the new options.
2822 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
2824 PR target/25377
2825 * config/i386/i386.c (ix86_function_ok_for_sibcall):
2826 Use targetm.binds_local_p instead of TREE_PUBLIC.
2828 2006-02-02 Roger Sayle <roger@eyesopen.com>
2830 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
2831 on INTEGER_TYPEs to indicate that it denotes a character type.
2832 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
2833 signed_char_type_node, unsigned_char_type_node and char_type_node.
2834 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
2835 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
2836 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
2838 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
2839 Daniel Berlin <dberlin@dberlin.org>
2841 * tree-tailcall.c (arg_needs_copy_p): New function.
2842 (eliminate_tail_call): Use arg_needs_copy_p.
2843 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
2844 (add_virtual_phis): New function.
2846 2006-02-02 Jakub Jelinek <jakub@redhat.com>
2848 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
2849 #ignore instead of #scratch for %g7 .register directive.
2851 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
2853 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
2854 object files.
2856 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2858 * flow.c (calculate_global_regs_live): Assert that there aren't any
2859 EDGE_FAKE edges.
2861 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
2863 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
2864 what its name says.
2865 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
2866 bsi_after_labels iterator.
2867 * tree-if-conv.c (find_phi_replacement_condition,
2868 replace_phi_with_cond_modify_expr): Likewise.
2869 * tree-scalar-evolution.c (scev_const_prop): Likewise.
2870 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
2872 2006-02-02 Diego Novillo <dnovillo@redhat.com>
2874 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
2876 2006-02-02 Diego Novillo <dnovillo@redhat.com>
2878 PR 25990
2879 * tree-cfg.c (move_block_to_fn): Clear out the basic block
2880 array after growing it.
2882 2006-02-01 Steve Ellcey <sje@cup.hp.com>
2884 PR middle-end/24901
2885 * fold-const.c (fold_checksum_tree): Change type of buf.
2887 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
2889 * reload.c (push_secondary_reload): Initialize t_icode.
2891 2006-02-01 Jakub Jelinek <jakub@redhat.com>
2893 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
2894 -msoft-float -mlong-double-128 only issue a warning, but don't
2895 swich to DFmode long double.
2897 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
2899 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
2900 has a constant equivalent, iterate over equivalents for arg0,
2901 calling simplify_relational_operation and if there's a result
2902 cheaper than X, apply fold_rtx and return the result.
2904 2006-02-01 Jan Hubicka <jh@suse.cz>
2906 * opts.c (no_unit_at_a_time_default): New global variable.
2907 (decode_options): Use it.
2908 * opts.h (no_unit_at_a_time_default): Declare.
2910 2006-02-01 Paul Brook <paul@codesourcery.com>
2912 * function.c (assign_parm_setup_reg): Use function argument promotion
2913 rules.
2914 * expr.c (expand_expr_real_1): Use function argument promotion rules
2915 for PARM_DECLs.
2917 2006-02-01 Steve Ellcey <sje@cup.hp.com>
2919 * gcc.c (process_command): Change j to 'unsigned int'.
2921 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2923 PR middle-end/26001
2924 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
2925 Use the corrected index for the character
2926 out of the string constant.
2928 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2930 * mode-switching.c (optimize_mode_switching): Fix size
2931 allocated for bb_info[n_entities].
2933 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2935 * gcc.c (main): Correct type that is allocated for
2936 explicit_link_files.
2938 2006-01-31 Jakub Jelinek <jakub@redhat.com>
2940 * config/s390/s390.c (init_alignment_context): Set
2941 ALIAS_SET_MEMORY_BARRIER on the MEM.
2942 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
2944 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
2946 PR middle-end/25933
2947 * loop-unroll.c (unroll_loop_runtime_iterations): Free
2948 dom_bbs pointer.
2949 * tree-ssa-live.c (type_var_init): Allocate bitmap after
2950 call to tpa_init.
2952 2006-01-31 Marcin Dalecki <martin@dalecki.de>
2954 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
2955 * regrename.c: Ditto.
2956 * tree-ssa-loop-im.c: Ditto.
2957 * tree-dump.c: Ditto.
2958 * tree-complex.c: Ditto.
2959 * genrecog.c: Ditto.
2960 * tree-ssa-threadupdate.c: Ditto.
2961 * tracer.c: Ditto.
2962 * java/class.c: Ditto.
2963 * java/jcf-parse.c: Ditto.
2964 * java/resource.c: Ditto.
2965 * java/except.c: Ditto.
2966 * java/jvspec.c: Ditto.
2967 * java/jcf-write.c: Ditto.
2968 * java/jcf-path.c: Ditto.
2969 * java/gjavah.c: Ditto.
2970 * java/zextract.c: Ditto.
2971 * java/jcf-io.c: Ditto.
2972 * java/jcf.h: Ditto.
2973 * java/buffer.c: Ditto.
2974 * java/lang.c: Ditto.
2975 * java/parse-scan.y: Ditto.
2976 * java/lex.c: Ditto.
2977 * java/lex.h: Ditto.
2978 * cfgloopmanip.c: Ditto.
2979 * postreload-gcse.c: Ditto.
2980 * tree-ssa-loop-manip.c: Ditto.
2981 * postreload.c: Ditto.
2982 * tree-ssa-loop-ch.c: Ditto.
2983 * loop.c: Ditto.
2984 * ipa-cp.c: Ditto.
2985 * cppspec.c: Ditto.
2986 * diagnostic.c: Ditto.
2987 * final.c: Ditto.
2988 * genoutput.c: Ditto.
2989 * gcc.c: Ditto.
2990 * cfghooks.c: Ditto.
2991 * cfgloopanal.c: Ditto.
2992 * objc/objc-act.c: Ditto.
2993 * gcov.c: Ditto.
2994 * genextract.c: Ditto.
2995 * genautomata.c: Ditto.
2996 * pretty-print.c: Ditto.
2997 * genemit.c: Ditto.
2998 * cgraphunit.c: Ditto.
2999 * flow.c: Ditto.
3000 * df-scan.c: Ditto.
3001 * haifa-sched.c: Ditto.
3002 * dominance.c: Ditto.
3003 * dbxout.c: Ditto.
3004 * tree-ssa-loop-ivopts.c: Ditto.
3005 * df-core.c: Ditto.
3006 * mode-switching.c: Ditto.
3007 * modulo-sched.c: Ditto.
3008 * graph.c: Ditto.
3009 * ipa-pure-const.c: Ditto.
3010 * cse.c: Ditto.
3011 * fix-header.c: Ditto.
3012 * web.c: Ditto.
3013 * tree-stdarg.c: Ditto.
3014 * ipa-utils.c: Ditto.
3015 * loop-init.c: Ditto.
3016 * ipa-inline.c: Ditto.
3017 * cfganal.c: Ditto.
3018 * global.c: Ditto.
3019 * alloc-pool.c: Ditto.
3020 * dwarf2out.c: Ditto.
3021 * opts.c: Ditto.
3022 * genattrtab.c: Ditto.
3023 * tree-ssa-loop-ivcanon.c: Ditto.
3024 * predict.c: Ditto.
3025 * timevar.c: Ditto.
3026 * lcm.c: Ditto.
3027 * fortran/gfortranspec.c: Ditto.
3028 * regmove.c: Ditto.
3029 * local-alloc.c: Ditto.
3030 * langhooks.c: Ditto.
3031 * function.c: Ditto.
3032 * tree-vectorizer.c: Ditto.
3033 * gcse.c: Ditto.
3034 * ipa-type-escape.c: Ditto.
3035 * alias.c: Ditto.
3036 * tree-if-conv.c: Ditto.
3037 * profile.c: Ditto.
3038 * ipa.c: Ditto.
3039 * tree-data-ref.c: Ditto.
3040 * loop-unroll.c: Ditto.
3041 * treelang/treetree.c: Ditto.
3042 * calls.c: Ditto.
3043 * bt-load.c: Ditto.
3044 * ggc-common.c: Ditto.
3045 * except.c: Ditto.
3046 * coverage.c: Ditto.
3047 * cselib.c: Ditto.
3048 * tree-cfgcleanup.c: Ditto.
3049 * tree-ssa-pre.c: Ditto.
3050 * cfgcleanup.c: Ditto.
3051 * loop-invariant.c: Ditto.
3052 * loop-iv.c: Ditto.
3053 * ipa-prop.c: Ditto.
3054 * print-tree.c: Ditto.
3055 * conflict.c: Ditto.
3056 * ggc-page.c: Ditto.
3057 * sched-deps.c: Ditto.
3058 * regclass.c: Ditto.
3059 * tree-object-size.c: Ditto.
3060 * combine.c: Ditto.
3061 * bb-reorder.c: Ditto.
3062 * resource.c: Ditto.
3063 * var-tracking.c: Ditto.
3064 * cfgloop.c: Ditto.
3065 * df-problems.c: Ditto.
3066 * reg-stack.c: Ditto.
3067 * tlink.c: Ditto.
3068 * gccspec.c: Ditto.
3069 * sched-rgn.c: Ditto.
3070 * tree-ssa-structalias.c: Ditto.
3071 * tree-ssa-reassoc.c: Ditto.
3072 * config/darwin-c.c: Ditto.
3073 * config/darwin.c: Ditto.
3074 * config/arm/arm.c: Ditto.
3075 * cfgrtl.c: Ditto.
3076 * collect2.c: Ditto.
3077 * reload1.c: Ditto.
3079 2006-01-31 Nicolas Pitre <nico@cam.org>
3081 * arm.md (smaxsi3): Make aware of smax_m1.
3082 (smax_m1): New.
3084 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
3086 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
3088 2006-01-31 Richard Guenther <rguenther@suse.de>
3090 * doc/invoke.texi (-msselibm): Document.
3091 * target.h (expand_library_builtin): New target hook.
3092 * builtins.c (expand_builtin): Use expand_library_builtin.
3093 (default_expand_library_builtin): New function.
3094 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3095 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3096 (link_gcc_math_spec): Declare.
3097 (static_specs): Add link_gcc_math_spec.
3098 * expr.h (default_expand_library_builtin): Declare.
3099 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3100 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3101 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3102 * config/i386/i386.opt (msselibm): New target option.
3103 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3104 (ix86_init_sse_abi_builtins): New function.
3105 (ix86_expand_library_builtin): Likewise.
3106 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3107 (override_options): Handle error conditions wrt -msselibm.
3108 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3109 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3110 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3111 builtins.
3113 2006-01-31 Richard Guenther <rguenther@suse.de>
3114 Paolo Bonzini <bonzini@gnu.org>
3116 * doc/install.texi (--disable-libgcc-math): Document.
3118 2006-01-30 Marcin Dalecki <martin@dalecki.de>
3120 * expr.h (expand_normal): new inline function.
3121 * builtins.c: use it, use EXPAND_NORMAL explicitely.
3122 * dojump.c: use it.
3123 * dwarf2out.c: use it.
3124 * expr.c: use it.
3125 * calls.c: use it.
3126 * expmed.c: use it.
3127 * except.c: use it.
3128 * config/sparc/sparc.c: use it.
3129 * config/i386/i386.c: use it.
3130 * config/rs6000/rs6000.c: use it.
3131 * config/arm/arm.c: use it.
3132 * config/mips/mips.c: use it.
3133 * stmt.c: use it, use EXPAND_NORMAL explicitely.
3135 2006-01-30 Roger Sayle <roger@eyesopen.com>
3137 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
3138 argv to the appropriate type.
3140 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
3142 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
3143 unreachable code.
3145 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
3147 PR target/26018
3148 * config/s390/s390.c (struct machine_function): New flag
3149 decomposed_literal_pool_addresses_ok_p.
3150 (s390_reorg): Set it before final stage of literal pool transforms.
3151 (s390_decompose_address): Only accept displacements of the form
3152 (minus (label_ref ...) (label_ref ...)) if that flag is set.
3154 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
3156 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
3157 the comparison routine return.
3159 2006-01-30 Michael Matz <matz@suse.de>
3161 * global.c (find_reg): Only evict for global regs.
3162 Take n_refs into account and dump more info.
3164 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
3166 PR target/14798:
3167 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
3168 (pragma_trap, pragma_nosave_low_regs): Likewise.
3169 (current_function_anonymous_args): Likewise.
3170 (sh_deferred_function_attributes): New variable.
3171 (sh_deferred_function_attributes_tail): Likewise.
3172 (print_operand): For '@', look up trap_exit attribute.
3173 (calc_live_regs): Look up trapa_handler attribute. For trapa
3174 handlers, save/restore fpscr, but don't do any other
3175 interrupt-specific saves.
3176 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
3177 Fix check for partially saved registers to check for SHmedia.
3178 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
3179 (sh_output_function_epilogue): Don't clear any of the removed
3180 variables.
3181 (sh_insert_attributes): Don't check pragma_interrupt.
3182 Insert deferred attributes. Check that interrupt attribute is
3183 present for other attributes that require its presence.
3184 (sh_attribute_table): Add new attributes trapa_handler and
3185 nosave_low_regs.
3186 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
3187 Don't check for pragma_interrupt. Don't store argument.
3188 * sh.h (pragma_interrupt, sp_switch): Don't declare.
3189 (sh_deferred_function_attributes): Declare.
3190 (sh_deferred_function_attributes_tail): Likewise.
3191 * sh.md (sp_switch_1): Add operand. Change generator caller.
3192 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
3193 (*return_i): Don't use when trap_exit attribute is in effect.
3194 (*return_trapa): New insn pattern.
3195 * sh-c.c: New file.
3196 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
3197 setting c_target_objs and cxx_target_objs.
3198 * t-sh: Add rule for sh-c.o.
3200 2006-01-30 Richard Guenther <rguenther@suse.de>
3202 PR c++/23372
3203 * gimplify.c (gimplify_target_expr): Handle easy cases
3204 without creating a temporary.
3206 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
3208 * vec.h (safe_grow): Remove duplicated line.
3210 2006-01-29 Diego Novillo <dnovillo@redhat.com>
3212 PR 25874
3213 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
3214 (expand_omp): ... here.
3215 (expand_omp_parallel): Only remove barriers for combined
3216 parallel+workshare constructs.
3218 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
3220 Revert
3222 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3223 * tree.c (build_qualified_type): Chain the new type to the original
3224 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3225 a POINTER_TYPE or a REFERENCE_TYPE respectively.
3226 (build_pointer_type_for_mode): Only return unqualified types.
3227 (build_reference_type_for_mode): Likewise.
3229 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
3231 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
3232 * Makefile.in (CXX_COMPAT_WARN): Define.
3233 * configure: Regenerate.
3235 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
3237 PR tree-opt/25911
3238 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
3239 to an if check.
3241 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3243 * toplev.c: Fix thinko.
3245 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3246 Marcin Dalecki <martin@dalecki.de>
3248 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
3249 (push_srcloc): Use XNEW.
3250 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
3252 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3254 * df-core.c (df_set_blocks): Deleted all variable.
3256 2006-01-28 Ian Lance Taylor <ian@airs.com>
3258 * cgraphunit.c (cgraph_assemble_pending_functions): Call
3259 cgraph_output_pending_asms.
3261 2006-01-28 Zack Weinberg <zackw@panix.com>
3263 * c.opt: Add -W(no-)overlength-strings.
3264 * doc/invoke.texi: Document it.
3265 * c-opts.c (c_common_handle_option): -pedantic implies
3266 -Woverlength-strings, if not explicitly disabled already.
3267 (c_common_post_options): -Woverlength-strings defaults to off, and
3268 is always off for C++.
3269 * c-common.c (fix_string_type): Issue warning about strings longer
3270 than is portable only if warn_overlength_strings. Rearrange code
3271 a little for clarity.
3272 * configure.in: Check for -Wno-overlength-strings as well before
3273 enabling -pedantic in stage 1.
3274 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
3275 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
3277 * genconditions.c (write_header, write_one_condition)
3278 (write_conditions, write_writer): Consolidate very long strings
3279 that were broken up to fit in C89 portable limit. Don't use
3280 printf when fputs will do.
3282 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
3284 * combine.c (simplify_comparison <AND>): Check
3285 TRULY_NOOP_TRUNCATION before start using a subreg.
3287 * config/mips/mips.md (*branch_zero<mode>,
3288 *branch_zero<mode>_inverted, *branch_equality<mode>,
3289 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
3290 Remove mode check from comparisons.
3292 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
3294 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
3296 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3298 * expmed.c (const_mult_add_overflow_p): Remove.
3299 * expr.h: Remove the prototype for const_mult_add_overflow_p.
3301 * recog.c (validate_replace_rtx_subexp): Remove.
3302 * recog.h: Remove the prototype for
3303 validate_replace_rtx_subexp.
3305 * integrate.h: Remove the prototype for
3306 copy_decl_for_inlining.
3307 * rtl.h: Remove the prototype for mark_constant_function.
3308 * tree-vectorizer.h: Remove the prototype for
3309 vect_strip_conversion.
3311 * modulo-sched.c (create_partial_schedule,
3312 free_partial_schedule, reset_partial_schedule): Make them
3313 static.
3315 * hooks.c (hook_bool_rtx_int_false): Remove.
3316 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
3318 2006-01-28 David Edelsohn <edelsohn@gnu.org>
3320 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3321 and -mlong-double-128 are incompatible.
3322 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
3323 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
3324 (TARGET_LIBGCC2_CFLAGS): Define.
3325 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
3326 (TARGET_LIBGCC2_CFLAGS): Same.
3327 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
3329 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3331 PR c/19606.
3332 * c-typeck.c (build_binary_op): Perform implicit casts of
3333 operands before shortening them.
3335 * cfgloopmanip.c (split_loop_bb): Remove.
3336 * cfgloop.h: Remove the prototype for split_loop_bb.
3338 * cfgloop.c (flow_loop_outside_edge_p): Remove.
3339 * cfgloop.h: Remove the prototype for
3340 flow_loop_outside_edge_p.
3342 * emit-rtl.c (init_virtual_regs): Make it static.
3343 * function.h: Remove the prototype for init_virtual_regs.
3345 * recog.c (peephole2_optimize): Make it static.
3346 * recog.h: Remove the prototype for peephole2_optimize.
3348 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3350 * df-scan.c (df_record_entry_block_defs): Check if
3351 INCOMING_RETURN_ADDR_RTX is defined.
3353 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
3354 Kenneth Zadeck <zadeck@naturalbridge.com>
3356 PR rtl-optimization/24762
3357 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3358 * targhooks.c (hook_void_bitmap): New hook prototype.
3359 * targhoohs.h (hook_void_bitmap): Ditto.
3360 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
3361 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
3362 * target.h (live_on_entry): New function pointer.
3363 * df-scan.c (df_all_hard_regs): Removed.
3364 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
3365 (df_scan_free_internal): Added df->entry_block_defs.
3366 (df_scan_alloc): Ditto.
3367 (df_scan_dump): Ditto.
3368 (df_uses_record): Plumbed flag field properly thru calls.
3369 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
3370 This part fixes PR24762.
3371 (df_bb_refs_record): Added code to make the frame and arg
3372 pointers live in EH blocks.
3373 (df_refs_record): Added call to df_record_entry_block_defs.
3374 (df_record_entry_block_defs): New function.
3375 * df-core.c: Added comments to describe new artifical defs.
3376 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
3377 (entry_block_defs): New field in struct df.
3378 (df_all_hard_regs): Deleted.
3379 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3380 * df-problems.c (df_ru_bb_local_compute_process_def):
3381 Added code to handle artifical defs in the entry to a function.
3382 (df_ru_bb_local_compute): Ditto.
3383 (df_rd_bb_local_compute_process_def): Ditto.
3384 (df_rd_bb_local_compute): Ditto.
3385 (df_lr_bb_local_compute): Ditto.
3386 (df_ur_bb_local_compute): Ditto.
3387 (df_urec_bb_local_compute): Ditto.
3388 (df_chain_create_bb): Ditto.
3389 (df_ur_local_finalize): Removed entry.
3390 (df_urec_init): Ditto.
3391 (df_urec_local_finalize): Ditto.
3392 (df_ri_bb_compute): Added detection of last use of pseudos.
3393 * Makefile.in (df-scan.o): Updated dependencies.
3394 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
3395 * config/mips/mips.c (mips_set_live_on_entry): Added.
3396 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
3397 for target hook.
3398 * dce.c (marked_insn_p): Added code to handle artifical defs.
3400 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3402 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
3403 intrinsic.
3404 (_mm_cvtsi128_si64): Likewise.
3405 (_mm_cvtsd_si64): Likewise.
3406 (_mm_cvttsd_si64): Likewise.
3407 (_mm_cvtsi64_sd): Likewise.
3408 (_mm_cvtsi64_si128): Likewise.
3409 * config/i386/mmintrin.h (_m_from_int64): Likewise.
3410 (_mm_cvtsi64_m64): Likewise.
3411 (_m_to_int64): Likewise.
3412 (_mm_cvtm64_si64): Likewise.
3413 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
3414 (_mm_cvttss_si64): Likewise.
3415 (_mm_cvtsi64_ss): Likewise.
3416 (_mm_cvtss_f32): Likewise.
3418 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
3420 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
3421 for pragma redefine_extname.
3423 2006-01-27 Jakub Jelinek <jakub@redhat.com>
3425 PR target/25864
3426 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
3427 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
3428 -mno-minimal-toc to previous content.
3429 (bispecs): Remove goal.
3430 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
3431 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
3432 compatibility aliases on powerpc-*-*gnu*.
3433 * config/rs6000/libgcc-ppc-glibc.ver: New file.
3434 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
3435 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
3436 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
3437 (ldblspecs): New goal.
3438 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
3439 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
3440 _df_to_tf.
3441 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
3442 L_sf_to_tf or L_df_to_tf is defined.
3444 2006-01-27 David Edelsohn <edelsohn@gnu.org>
3445 Alan Modra <amodra@bigpond.net.au>
3447 PR target/25864
3448 * config/rs6000/linux.h (POWERPC_LINUX): Define.
3449 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
3450 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
3451 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
3452 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
3453 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
3454 (rs6000_override_options): Initialize rs6000_ieeequad.
3455 Initialize TFmode format to ibm_extended_format if not
3456 TARGET_IEEEQUAD.
3457 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
3458 ieeelongdouble.
3459 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
3460 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
3461 (function_arg_advance): IBM long double passed in two FPRs, not
3462 split.
3463 (function_arg): IBM long double passed in FPRs.
3464 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
3465 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
3466 Only multireg GPR aligned.
3467 (rs6000_init_libfuncs): Enable IBM long double functions if not
3468 IEEEQUAD.
3469 (rs6000_generate_compare): Use IBM long double compare if not
3470 TARGET_IEEEQUAD.
3471 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
3472 (TARGET_IEEEQUAD): Define.
3473 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
3474 not TARGET_IEEEQUAD.
3475 * config/rs6000/rs6000.md: Enable TFmode patterns if
3476 !TARGET_IEEEQUAD.
3477 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
3478 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3479 and -mlong-double-128 are incompatible.
3480 * doc/invoke.texi (-mabi): Collect options together. Add
3481 ibmlongdouble and ieeelongdouble.
3483 2006-01-27 Richard Sandiford <richard@codesourcery.com>
3485 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
3486 opaque type.
3487 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
3488 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
3489 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
3490 * rtl.h (rtunion_def): Remove rt_ptr.
3491 (X0PTR): Delete.
3492 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
3493 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
3494 * config/i386/winnt.c (i386_pe_mark_dllexport)
3495 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
3497 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
3499 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
3501 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3503 PR other/24829
3504 PR target/24831
3505 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
3506 pthread_key_delete. From John David Anglin. gthrw-ify
3507 pthread_getunique_np only if it it's not a macro. Delete
3508 UNUSED macro.
3509 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
3510 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
3511 __gthread_objc_condition_signal, __gthread_key_delete): Add
3512 "__attribute__ ((__unused__))" to unused arguments.
3513 (__gthread_recursive_mutex_init_function): Add missing return.
3514 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
3515 gthr-posix95.h: Use macro-based approach for name redirection
3516 on targets missing weakref.
3518 2006-01-26 Zack Weinberg <zackw@panix.com>
3520 * genconditions.c (write_header): In generated code, #ifdef out
3521 all includes and fake declarations, except includes of bconfig.h
3522 and system.h, unless GCC_VERSION >= 3001. Do not include
3523 gensupport.h in any case.
3524 (write_conditions): Generate a definition of struct c_test. Add
3525 a comment to the generated #endif.
3526 (write_one_condition): Escape backslashes in string too.
3527 (write_writer): Generated code must escape backslashes and quote
3528 marks (but not newlines) in the strings it writes.
3529 * Makefile.in (build/gencondmd.o): Update dependencies.
3531 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3533 PR target/25961
3534 * Makefile.in (insn-automata.o): Add header file dependencies.
3535 * genautomata.c: Add includes.
3537 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3539 PR target/25961
3540 * Makefile.in (insn-automata.o): Add -Wno-error flag.
3542 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3544 * configure.ac: Expect target tools paths to be passed from the toplevel
3545 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
3546 AS_SET_VAR_IF.
3547 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
3549 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3551 PR c/25892
3552 * c.opt (Wpointer-sign): Init to -1.
3553 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
3554 OPT_pedantic, to 0 otherwise.
3555 * doc/invoke.texi: Update.
3557 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3559 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
3560 constants provided by 80387 instructions in the destination mode.
3562 2006-01-26 Richard Guenther <rguenther@suse.de>
3563 Andrew Pinski <pinskia@physics.uc.edu>
3565 PR tree-opt/21470
3566 partial PR tree-opt/17064
3567 * tree-ssa-structalias.c (intra_create_variable_infos):
3568 Create heap variables for incoming parameters if
3569 flag_argument_noalias > 1.
3570 (find_what_p_points_to): Look through default defs of
3571 parameter decls.
3573 2006-01-26 Jeff Law <law@redhat.com>
3575 PR ada/25900
3576 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
3577 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
3578 within the VR_RANGE, use the VR_RANGE as the result, not the
3579 VR_ANTI_RANGE.
3580 (adjust_range_with_scev): Reject ranges from SCEV which are out of
3581 bounds for the type.
3583 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
3585 * tree-ssa-alias.c (maybe_create_global_var): Change
3586 subvar walking to an assertion that we don't have subvar'd variables.
3588 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
3590 PR C/25861
3591 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
3592 Use a new variable, inner. PARM_DECLs are always non-weak.
3594 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
3596 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
3597 --disable-checking.
3599 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
3601 * config/mips/mips.md (*clear_upper32): New combiner pattern.
3603 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
3605 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
3606 (smax_insn, smin_insn, smax_0, smin_0): New.
3608 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
3610 PR target/25947
3611 * config/cris/cris.c (cris_order_for_addsi3): New function.
3612 * config/cris/cris-protos.h: Prototype it.
3613 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
3614 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
3615 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
3616 (split for "op.S1 [rx=rx+i],ry (swapped)")
3617 (split for "op(s|u).S1 [rx=rx+i],ry")
3618 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
3619 Apply cris_order_for_addsi3 when generating addsi3 insns.
3621 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3623 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
3624 (TREE_BLOCK): Add call to EXPR_CHECK.
3626 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3628 PR 25886
3629 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
3630 * tree-pretty-print.c (dump_omp_clause): Extract from ...
3631 (dump_omp_clauses): ... here.
3632 (dump_generic_node): Handle OMP_CLAUSE.
3633 * tree.c (omp_clause_num_ops): New.
3634 (omp_clause_code_name): New.
3635 (tree_code_size): Handle OMP_CLAUSE.
3636 (tree_size): Likewise.
3637 (make_node): Document handling of OMP_CLAUSE.
3638 (tree_node_structure): Handle OMP_CLAUSE.
3639 (omp_clause_check_failed): New.
3640 (omp_clause_range_check_failed): New.
3641 (omp_clause_operand_check_failed): New.
3642 (build_omp_clause): New.
3643 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
3644 * tree.h (enum omp_clause_code): Declare.
3645 (OMP_CLAUSE_SUBCODE_CHECK): Define.
3646 (OMP_CLAUSE_RANGE_CHECK): Define.
3647 (OMP_CLAUSE_ELT_CHECK): Define.
3648 (omp_clause_check_failed): Declare.
3649 (omp_clause_operand_check_failed): Declare.
3650 (omp_clause_range_check_failed): Declare.
3651 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
3652 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
3653 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
3654 (OMP_CLAUSE_LASTPRIVATE): Likewise.
3655 (OMP_CLAUSE_IF_EXPR): Likewise.
3656 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
3657 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
3658 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
3659 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
3660 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
3661 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
3662 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
3663 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
3664 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
3665 (OMP_CLAUSE_CODE): Define.
3666 (OMP_CLAUSE_SET_CODE): Define.
3667 (OMP_CLAUSE_CODE): Define.
3668 (OMP_CLAUSE_OPERAND): Define.
3669 (struct tree_omp_clause): Declare.
3670 (union tree_node): Add field 'omp_clause'.
3671 * treestruct.def (TS_OMP_CLAUSE): Define.
3672 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
3673 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
3674 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
3675 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
3676 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
3677 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
3678 (OMP_CLAUSE): Define.
3679 * print-tree.c (print_node): Handle OMP_CLAUSE.
3680 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
3681 * c-typeck.c: Likewise.
3682 * gimplify.c: Likewise.
3683 * c-omp.c: Likewise.
3684 * tree-nested.c: Likewise.
3685 * tree-inline.c: Likewise.
3686 * c-parser.c: Likewise.
3687 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
3688 clauses.
3690 2006-01-25 Roger Sayle <roger@eyesopen.com>
3692 PR rtl-optimization/25703
3693 * combine.c (try_combine): Handle zero_extract and strict_low_part
3694 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
3696 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
3698 * global.c: Fix comment typos.
3700 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
3702 PR target/25758
3703 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
3704 Use output_addr_const instead of assemble_name.
3706 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
3708 * Makefile.in (sched-vis.o): Update dependencies.
3709 * haifa-sched.c (sched_finish): Clear current_sched_info.
3710 * cfg.c (dump_bb_info): New, split from dump_flow_info.
3711 (dump_flow_info): Call it.
3712 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
3713 a slim RTL dump.
3714 * basic-block.h (dump_bb_info): Declare.
3715 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
3716 option, and apply options only for dump files whose TDF_RTL,
3717 TDF_TREE, or TDF_IPA bits match.
3718 * rtl.h: Declare new functions exported from sched-vis.c.
3719 * sched-vis.c: Enable also if scheduling is not used.
3720 (print_value): Print the mode of registers if not inside scheduling.
3721 (print_insn): Make it work outside the scheduler. Beautify the output
3722 a bit.
3723 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
3725 2006-01-25 Richard Sandiford <richard@codesourcery.com>
3727 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
3728 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
3729 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
3730 depending on the value of CONSTANT_POOL_ADDRESS_P.
3731 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
3732 SYMBOL_REF_DECL.
3733 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
3734 rather than SYMBOL_REF_DECL.
3735 (rtx_constant_pool): Remove const_rtx_sym_htab.
3736 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
3737 (init_varasm_status): Don't initialize const_rtx_sym_htab.
3738 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
3739 Remove handling of const_rtx_sym_htab.
3740 (find_pool_constant): Delete.
3741 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
3742 rather than find_pool_constant.
3743 (get_pool_constant_for_function): Delete.
3744 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
3745 find_pool_constant.
3746 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
3747 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
3748 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
3749 (SYMBOL_REF_CONSTANT): New macro.
3750 (get_pool_constant_for_function): Delete.
3751 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
3752 rather than SYMBOL_REF_DECL.
3753 (i386_pe_mark_dllimport): Likewise.
3754 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
3755 rather than SYMBOL_REF_DECL.
3756 * config/darwin.c (machopic_indirect_data_reference): Likewise.
3757 (machopic_indirect_call_target): Likewise.
3759 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
3761 * flow.c (delete_noop_moves): Add missing EOL to dump message.
3763 2006-01-25 Richard Sandiford <richard@codesourcery.com>
3765 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
3767 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
3769 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
3771 2006-01-24 David Daney <ddaney@avtrex.com>
3773 PR java/25816
3774 * configure.ac (enable_tls): New enable option.
3775 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
3776 * configure: Regenerate.
3777 * doc/install.texi (--enable-tls): Document new option.
3778 (--disable-tls): Ditto.
3780 2006-01-24 Richard Henderson <rth@redehat.com>
3782 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
3783 * alias.c (true_dependence): Respect it.
3784 (canon_true_dependence, write_dependence_p): Likewise.
3785 * builtins.c (get_builtin_sync_mem): Set it.
3787 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
3789 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
3790 efficient way.
3792 2006-01-24 DJ Delorie <dj@redhat.com>
3794 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
3795 for storing constants in single-bit bitfields.
3797 2006-01-25 Ben Elliston <bje@au.ibm.com>
3799 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
3801 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
3803 PR tree-opt/25860
3804 * tree-ssa-pre.c (phi_translate): Return NULL
3805 for AGGREGATE_TYPE's.
3807 2006-01-24 Zack Weinberg <zackw@panix.com>
3809 * genautomata.c (process_state_for_insn_equiv_partition):
3810 Use xcalloc for insn_arcs_array.
3811 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
3812 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
3814 2006-01-24 Richard Henderson <rth@redhat.com>
3816 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
3817 update all callers.
3819 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
3821 PR rtl-optimization/25890
3822 PR rtl-optimization/25905
3823 * combine.c (expand_compound_operation, expand_field_assignment):
3824 Fail if the bitfield's final position is out of bounds.
3826 2006-01-24 Ian Lance Taylor <ian@airs.com>
3828 PR middle-end/25930
3829 * cgraphunit.c (cgraph_output_in_order): Don't clear
3830 cgraph_asm_nodes until after asm strings have been output.
3832 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
3834 * fix-header.c (read_scan_file): Add new parameter imultilib when
3835 calling register_include_chains.
3837 2006-01-23 Diego Novillo <dnovillo@redhat.com>
3839 * omp-low.c: Update documentation.
3841 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
3842 Daniel Berlin <dberlin@dberlin.org>
3844 PR tree-opt/25315
3845 PR tree-opt/25857
3846 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
3847 return from the function.
3849 2006-01-22 Zack Weinberg <zackw@panix.com>
3851 * rtl.def (match_code): Add second argument.
3852 * genpreds.c (write_extract_subexp): New function.
3853 (write_match_code): Add path argument. Use write_extract_subexp.
3854 (write_predicate_expr): Pass path to write_match_code.
3855 (mark_mode_tests): MATCH_CODE applied to a subexpression does
3856 not perform a mode test.
3857 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
3858 a subexpression does not constrain the top-level code set.
3859 * read-rtl.c (read_rtx_variadic): New function.
3860 (read_rtx_1): Use it; allow AND and IOR to be variadic.
3861 * doc/md.texi: Document new notation.
3862 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
3863 (cmpsi_operand): ... here, using new notation.
3865 2006-01-22 Zack Weinberg <zackw@panix.com>
3867 * varray.c: Remove GENERATOR_FILE #ifdefs.
3869 2006-01-22 Zack Weinberg <zackw@panix.com>
3871 * genautomata.c (output_reserved_units_table): Emit nothing if
3872 description->query_units_num is zero. Remove extra blank line.
3873 (output_cpu_unit_reservation_p): Short circuit
3874 if description->query_units_num is zero.
3876 2006-01-22 Zack Weinberg <zackw@panix.com>
3878 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
3879 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
3880 nor any of the random handful of variables that used to be necessary
3881 when this program was linked with rtlanal.o. Prune set of forward
3882 function declarations.
3883 (struct attr_desc): Remove static_p field.
3884 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
3885 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
3886 (attr_string): Do not read the character one past the length of
3887 the string.
3888 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
3889 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
3890 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
3891 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
3892 (make_automaton_attrs): New.
3893 (main): Do not call into genautomata. Call local gen_bypass
3894 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
3895 Remove special case for insn_alts.
3896 * genautomata.c: Include gensupport.h; not genattrtab.h nor
3897 varray.h (leftover from previous change). Prune set of forward
3898 function declarations. Remove state_alts fields from all
3899 structures. Remove state_alts_table from struct automaton.
3900 Make everything except main static. Do not maintain num_dfa_decls.
3901 Do not maintain state_alts fields of various structures.
3902 (process_decls): Don't validate condexp for dm_insn_reserv decls.
3903 (add_arc): Remove state_alts argument. All callers updated.
3904 (output_reserved_units_table): Emit #ifdef here...
3905 (output_tables): ...not here. Don't generate state_alts tables.
3906 (expand_automata): Don't generate attributes.
3907 (write_automata): Don't generate state_alts functions.
3908 (main): New function.
3909 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
3910 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
3911 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
3912 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
3913 (BYPASS_P_FUNC_NAME, output_state_alts_table)
3914 (output_automata_list_state_alts_code, output_internal_state_alts_func)
3915 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
3916 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
3917 Delete.
3918 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
3919 * genattrtab.h: Delete file.
3920 * Makefile.in (OBJS-common): Add insn-automata.o.
3921 (insn-automata.o): New rule.
3922 (simple_generated_c): Add insn-automata.c.
3923 (build/genattrtab.o, build/genautomata.o): Update dependencies.
3924 (genprogmd): Add automata.
3925 (build/genattrtab): Needs no extra objects nor libraries.
3926 (build/genautomata): Needs build/vec.o and -lm.
3928 2006-01-22 Zack Weinberg <zackw@panix.com>
3930 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
3931 (output_dfa_max_issue_rate, locked_states_num): Delete.
3932 (struct automaton): Add locked_states field.
3933 (output_dead_lock_vect): Save number of locked states in
3934 automaton->locked_states. If it is zero, don't print anything.
3935 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
3936 (output_internal_dead_lock_func): Only test the dead_lock_vect
3937 for automata that have locked states.
3938 (output_statistics): Always print the number of locked states for
3939 each automaton. Calculate total number of locked states here.
3940 (write_automata): Don't call output_dfa_max_issue_rate.
3941 * genattrtab.c: Define length_unit_log as a const variable.
3942 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
3943 max_insn_queue_index const.
3944 * final.c (length_unit_log): Declare const.
3945 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
3947 2006-01-22 Zack Weinberg <zackw@panix.com>
3949 * genautomata.c: Include vec.h, not varray.h.
3950 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
3951 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
3952 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
3953 VEC_* macros operating on appropriately typed vectors, or to
3954 malloced arrays when the size is known in advance. Const-ify
3955 many char* variables and function arguments. No functional changes.
3956 * Makefile.in (build/varray.o): Delete rule.
3957 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
3958 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
3960 2006-01-22 Zack Weinberg <zackw@panix.com>
3962 * gensupport.c: Define get_insn_name and record_insn_name here.
3963 (read_md_rtx): Call record_insn_name as appropriate.
3964 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
3965 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
3966 * genpreds.c, genrecog.c: Don't define get_insn_name nor
3967 record_insn_name.
3968 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
3969 (BUILD_VARRAY): Delete.
3970 (genprognormal): Rename genprogmd. Fold in all programs from
3971 genprognoprint; also attrtab.
3972 (build/genattrtab): Just mention genautomata.o and varray.o.
3973 Reorganize a bit, add comments to make the categories clearer.
3975 2006-01-22 Zack Weinberg <zackw@panix.com>
3977 * genconditions.c (condition_table, add_condition): Delete.
3978 (write_conditions): Don't emit n_insn_conditions nor
3979 insn_elision_unavailable. Issue the gcc version #ifdef here,
3980 inside the table, with no #else clause ...
3981 (write_header): ...not here.
3982 (write_writer): New function.
3983 (main): Don't initialize condition_table. Use add_c_test.
3984 Call write_writer.
3985 * gensupport.c (init_md_reader_args_cb): Handle multiple input
3986 files on the command line.
3987 (maybe_eval_c_test): Don't check insn_elision_unavailable.
3988 Return -1 if there is no entry in the table, don't abort.
3989 (add_c_test, traverse_c_tests): New functions.
3990 * gensupport.h (insn_elision_unavailable, insn_conditions)
3991 (n_insn_conditions): Delete declarations.
3992 (add_c_test, traverse_c_tests): Declare.
3993 * read-rtl.c: Include gensupport.h.
3994 (read_conditions): New function.
3995 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
3996 (read_rtx_1): If we get EOF when we were looking for an initial
3997 open paren, return 0. Call read_conditions when appropriate.
3998 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
3999 dummy-conditions.o. Eliminate references to insn-conditions.o,
4000 or change them to build/gencondmd.o, as appropriate. Remove
4001 insn-constants.h from $(simple_generated_h) and insn-conditions.c
4002 from $(simple_generated_c). For all files remaining in those
4003 two lists, add insn-conditions.md to the generator command line.
4004 Give insn-constants.h/s-constants their own rules. Add rules
4005 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
4006 (build/read-rtl.o): Depend on gensupport.h.
4007 (genprognormal): Include preds.
4008 (genprogearly): Rename genprognoprint; only difference is now that
4009 they don't link with $(BUILD_PRINT).
4010 * dummy-conditions.c: Delete.
4012 2006-01-22 Zack Weinberg <zackw@panix.com>
4014 * genextract.c: Don't include insn-config.h. Do include vec.h.
4015 Declare vectors of int, char, and locstr.
4016 (locstr): New typedef.
4017 (struct extraction): Make all array fields into bare pointers.
4018 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
4019 (insn_code_number): Delete.
4020 (accum_extract): New struct.
4021 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
4022 (gen_insn): Take insn_code_number as an argument. Use an
4023 accum_extract structure instead of loading data directly into
4024 a struct extraction, and having to know how big it might get.
4025 (walk_rtx): Operate entirely on an accum_extract structure.
4026 (print_path): Avoid unnecessary use of printf.
4027 (print_header): New function, split out of main. Distinguish
4028 more carefully between an unrecognizable insn and an insn that
4029 has the code number of a define_expand.
4030 (main): Pass insn_code_number to gen_insn. Call print_header
4031 only after parsing. Avoid unnecessary use of printf.
4032 * Makefile.in (build/vec.o): New rule.
4033 (build/genextract): Depend on build/vec.o.
4034 (build/genextract.o): Don't depend on insn-config.h.
4036 2006-01-22 Zack Weinberg <zackw@panix.com>
4038 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
4039 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
4040 practical. Eliminate per-generator-program link rules.
4042 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
4044 PR middle-end/24437
4045 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4046 with a call expr to ...
4047 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4049 2006-01-23 Richard Guenther <rguenther@suse.de>
4051 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
4052 before make_edge with conditional EDGE_TRUE_VALUE.
4054 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
4055 Jan Hubicka <jh@suse.cz>
4056 Richard Guenther <rguenther@suse.de>
4058 PR rtl-optimization/25654
4059 * cfgexpand.c (aggregate_contains_union_type): New function.
4060 (add_alias_set_conflicts): Call it. Make sure to add conflicts
4061 for structure variables that contain a union type.
4063 2006-01-23 Richard Sandiford <richard@codesourcery.com>
4065 * gengtype.c (new_structure): Return the structure.
4066 (create_option): Add an extra "next" argument.
4067 (create_field): New function.
4068 (adjust_field_rtx_def): Use create_option and create_field.
4069 Remove a now-unnecessary call to find_structure.
4070 (adjust_field_tree_def): Likewise.
4071 (note_yacc_type): Remove an unnecessary call to find_structure.
4072 * gengtype.h (new_structure): Return the structure.
4073 (create_option): Add an extra argument.
4074 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
4075 (option): Adjust calls to create_option.
4077 2006-01-22 David Edelsohn <edelsohn@gnu.org>
4079 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
4081 2006-01-22 Paul Brook <paul@codesourcery.com>
4082 Peter Barada <peter@the-baradas.com>
4084 * config/m68k/m68k.md: Add Coldfire FPU support.
4085 Define FP mode macro and associated attributes.
4086 Use it for float mode patterns.
4087 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
4088 (LIBCALL_VALUE): Use m68k_libcall_value.
4089 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
4090 (m68k_function_value): Ditto.
4091 (emit_move_sequence): Ditto.
4092 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
4093 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
4094 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
4095 (MULTILIB_EXCEPTIONS): Ditto.
4096 * config/m68k/m68k.opt: Add mcfv4e.
4097 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
4098 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
4099 (m68k_output_function_prologue): Save ColdFire FPU registers.
4100 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
4101 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
4102 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
4103 ColdFire FPU registers.
4104 (m68k_libcall_value, m68k_function_value): New functions.
4105 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
4106 (LIBCALL_VALUE): Use m68k_libcall_value.
4107 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
4108 (MASK_COLDFIRE): Add MASK_CFV4E.
4109 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
4110 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
4111 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
4112 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
4113 (GO_IF_LEGITIMATE_ADDRESS): Use it.
4114 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
4115 * doc/invoke.tex: Document -mcfv4e on m68k.
4117 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
4119 * doc/contribute.texi: Change CVS to SVN and update the corresponding
4120 URL.
4122 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
4124 PR c++/16190
4125 * c-opts.c (c_common_handle_option): Don't include
4126 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
4127 * doc/invoke.texi (C++ Dialect Options): Document that
4128 -Wnon-virtual-dtor is no longer included in -Wall.
4130 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
4132 * gcov.c (print_version), gcov-dump.c (print_version),
4133 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
4134 dates.
4136 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
4138 * df-scan.c (problem_SCAN): Added NULL reset function.
4139 (df_scan_reset_blocks): Added code to call reset block function
4140 (df_bb_refs_delete) Fixed comment.
4141 (df_insn_refs_delete): Made tolerant of deleting non existent info
4142 for dataflow problems that need to be reset.
4143 * df-core.c (df_set_blocks): Ditto.
4144 * df.h (struct df_problem): Added reset_fun.
4145 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
4146 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
4147 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
4148 functions to clear out all references to def-use or use-def chains.
4150 2006-01-21 Ben Elliston <bje@au.ibm.com>
4152 * varasm.c (assemble_real): Initialise data array.
4154 2006-01-20 Paul Brook <paul@codesourcery.com>
4156 Merge from csl-arm-branch.
4157 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
4158 * config/arm/arm.md (movdi): Force operands[1] to a register
4159 if we have a non-register source.
4160 (*arm_movdi, *movdf_soft_insn): Require that one of the
4161 operands be a register.
4162 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
4163 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
4165 2006-01-20 DJ Delorie <dj@redhat.com>
4167 * varasm.c (initialize_constant_valid_p): Allow pointers
4168 initialized from integer constants of lesser precision.
4169 (output_constant): Allow non-int-sized pointer modes to be
4170 initialized from integer constants.
4172 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
4174 PR libstdc++/25524
4175 * cppdefault.h (struct default_include): Add multilib flag.
4176 * cppdefault.c (cpp_include_defaults): Set it.
4177 * c.opt (-imultilib): New option.
4178 * c-opts.c (imultilib): New.
4179 (c_common_handle_option): Handle -imultilib.
4180 (c_common_post_options): Likewise.
4181 * c-incpath.c (add_standard_paths, register_include_chains):
4182 Likewise.
4183 * c-incpath.h (register_include_chains): Add extra parameter.
4184 * gcc.c (do_spec_1): Generate -imultilib option.
4185 (The Specs Language): Update %I description.
4186 (process_command): Update copyright notice.
4187 * doc/cppopts.texi (-imultilib): Document.
4188 * doc/invoke.texi (-imultilib): Include in option summary.
4189 (%I): Update specs documentation.
4191 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4193 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
4195 2006-01-20 Richard Sandiford <richard@codesourcery.com>
4197 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
4198 label numbers.
4200 2006-01-20 Richard Guenther <rguenther@suse.de>
4201 Steven Bosscher <stevenb.gcc@gmail.com>
4203 PR rtl-optimization/24626
4204 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
4205 EDGE_TRUE_VALUE if in RTL mode.
4207 Revert
4208 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
4209 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
4211 2006-01-20 Dirk Mueller <dmueller@suse.com>
4213 PR c++/5520
4214 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
4215 instead of a special NOP marker.
4216 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
4217 NOP marker handling.
4218 * c-common.h (empty_body_warning): Add forward declaration.
4219 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
4220 Now uses IS_EMPTY_STMT() instead of special NOP markers.
4222 2006-01-20 Paul Brook <paul@codesourcery.com>
4224 * Makefile.in (lang_checks): Keep going if mkdir fails.
4226 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4228 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
4229 be able to clean out basic block when not necessary.
4230 (df_scan_free): Fixed to properly delete information if df is
4231 unused before calling df_finish.
4232 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
4233 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
4234 or comment typos.
4235 (df_bb_refs_delete): New function.
4236 (df_refs_delete): Moved per block code to df_bb_refs_delete.
4237 * df-core.c (df_set_blocks): Added code to properly clean out
4238 unused blocks if they are not part of the blocks to consider.
4239 Added additional null check.
4240 (df_compact_blocks): Added basic block parameter to free_bb_fun to
4241 be able to clean out basic block when not necessary
4242 * df.h (df_free_bb_function): Ditto.
4243 (df_bb_refs_delete): New function.
4244 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
4245 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
4246 basic block parameter to be able to clean out basic block when not
4247 necessary.
4248 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
4249 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
4250 Fixed to properly delete information if df is unused before
4251 calling df_finish.
4253 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4255 PR rtl-optimization/25799
4256 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
4257 Corrected confluence operator to remove bits from op2 before oring
4258 with op1 rather than removing bits from op1.
4259 (df_ru_transfer_function): Corrected test on wrong bitmap which
4260 caused infinite loop. Both of these problems were introduced in
4261 the dataflow rewrite.
4263 2006-01-19 DJ Delorie <dj@redhat.com>
4265 * reload1.c (find_reload_regs): Note the details of reload
4266 failures in the dump file.
4267 (spill_failure): Likewise.
4269 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4271 * loop-iv.c: Include df.h and hashtab.h.
4272 (enum iv_grd_result): New enum.
4273 (DF_REF_IV, DF_REF_IV_SET): New macros.
4274 (struct biv_entry): New.
4275 (df, bivs): New global variables.
4276 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
4277 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
4278 Removed.
4279 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
4280 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
4281 analyzed_for_bivness_p, record_biv): New functions.
4282 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
4283 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
4284 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
4285 UD chains.
4286 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
4287 analysed.
4288 (iv_number_of_iterations): Use new interface to iv analysis.
4289 * loop-unroll.c: Do not include varray.h.
4290 (analyze_iv_to_split_insn): Use new interface to iv
4291 analysis.
4292 * loop-unswitch.c (may_unswitch_on): Ditto.
4293 * df.c (df_bitmaps_free): Only work for bbs for that structures are
4294 allocated.
4295 (df_bb_modify): Realloc tables to the new index.
4296 (df_find_use): New function.
4297 * df.h (df_find_use): Declare.
4298 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
4299 outmode.
4300 * cfgloop.h (struct rtx_iv): Remove analysed field.
4301 (iv_get_reaching_def): Removed.
4302 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
4303 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
4304 (loop-iv.o): Add df.h and hashtab.h dependency.
4305 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
4307 2006-01-20 Alan Modra <amodra@bigpond.net.au>
4309 PR target/25668
4310 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
4311 Double TFmode.
4312 (__floatundisf, __floatundidf): Likewise.
4313 * libgcc2.h (IS_IBM_EXTENDED): Define.
4315 2006-01-19 DJ Delorie <dj@redhat.com>
4317 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
4319 2006-01-19 Paul Brook <paul@codesourcery.com>
4321 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
4322 as nothrow when unwinding tables are disabled.
4324 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4326 PR testsuite/25171
4327 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
4328 of bit-field" when in system header.
4330 2006-01-19 DJ Delorie <dj@redhat.com>
4332 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
4333 the 16 bit shift limit of the m16c.
4335 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
4337 PR target/22099
4338 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
4339 * config/i386/i386.c (output_set_got): Output the label if we have one
4340 for the TARGET_DEEP_BRANCH_PREDICTION case.
4342 2006-01-19 Jan Hubicka <jh@suse.cz>
4343 H.J. Lu <hongjiu.lu@intel.com>
4344 Evandro Menezes <evandro.menezes@amd.com>
4346 * invoke.texi (generic): Document
4347 (i686) Update.
4348 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
4349 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
4350 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
4351 (x86_use_incdec, x86_pad_returns): New variables
4352 (TARGET_CPU_DEFAULT_generic): New constant
4353 (TARGET_CPU_DEFAULT_NAMES): Add generic.
4354 (enum processor_type): Add generic32 and generic64.
4355 * i386.md (cpu attribute): Add generic32/generic64
4356 (movhi splitter): Behave sanely when both partial_reg_dependency and
4357 partial_reg_stall are set.
4358 (K8 splitters): Enable for generic as well.
4359 * predicates.md (incdec_operand): Use TARGET_INCDEC
4360 (aligned_operand): Avoid memory mismatch stalls.
4361 * athlon.md: Enable for generic64, new patterns for 128bit moves.
4362 * ppro.md: Enable for generic32
4363 * i386.c (generic64_cost, generic32_cost): New.
4364 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
4365 (x86_use_leave): Enable for generic64. (x86_use_sahf,
4366 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
4367 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
4368 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4369 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4370 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4371 x86_accumulate_outgoing_args, x86_prologue_using_move,
4372 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4373 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
4374 Enable for generic.
4375 (x86_use_incdec, x86_pad_returns): New.
4376 (override_options): Add generic32 and generic64, translate "generic"
4377 to generic32/generic64 and "i686" to "generic32", refuse
4378 "generic32"/"generic64" as arch target.
4379 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
4380 (ix86_reorg): Honor PAD_RETURNS.
4382 2006-01-19 Diego Novillo <dnovillo@redhat.com>
4384 * tree-pretty-print.c (dump_generic_node): Handle
4385 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
4386 * cgraph.c (cgraph_expand_queue): Rename from
4387 cgraph_analyze_queue. Update all users.
4388 * cgraphunit.c (cgraph_assemble_pending_functions): Process
4389 cgraph_expand_queue.
4390 (cgraph_expand_all_functions): Likewise.
4391 (cgraph_finalize_pending_functions): Remove. Update callers.
4393 * tree.h (OMP_DIRECTIVE_P): Define.
4394 (OMP_PARALLEL_FN): Define.
4395 (OMP_PARALLEL_DATA_ARG): Define.
4396 (OMP_SECTIONS_SECTIONS): Define.
4397 * tree-pass.h (pass_expand_omp): Declare.
4398 * omp-low.c (struct omp_region): Declare.
4399 (struct omp_context): Remove fields 'parallel_type',
4400 'parallel_start_ix' and 'parallel_start_additional_args'.
4401 Update all users.
4402 (struct omp_for_data): Rename from struct expand_omp_for_data.
4403 (omp_regions): New static variable.
4404 (root_omp_region): New static variable.
4405 (find_omp_clause): Make static.
4406 (is_in_combined_parallel_ctx): Remove.
4407 (is_combined_parallel): New.
4408 (extract_omp_for_data): Move earlier in the file.
4409 (workshare_safe_to_combine_p): New.
4410 (get_ws_args_for): New.
4411 (determine_parallel_type): Move earlier in the file.
4412 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
4413 child function.
4414 (omp_copy_decl): Likewise.
4415 (create_omp_child_function): Likewise.
4416 (lookup_omp_region): New.
4417 (dump_omp_region): New.
4418 (debug_omp_region): New.
4419 (debug_all_omp_regions): New.
4420 (new_omp_region): New.
4421 (scan_omp_parallel): If parallel_nesting_level > 1, the
4422 directive is nested within another parallel directive.
4423 Set OMP_PARALLEL_FN.
4424 (scan_omp_for): Do not try to handle combined parallel+for
4425 cases.
4426 Remove FIXME comment.
4427 (scan_omp_nested): Remove.
4428 (scan_omp_1): Do not call scan_omp_nested when
4429 parallel_nesting_level is > 1.
4430 Do not change the DECL_CONTEXT of local variables found.
4431 (lookup_decl_in_outer_ctx): New.
4432 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
4433 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
4434 (lower_reduction_clauses): Rename from expand_reduction_clauses.
4435 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
4436 If CTX is nested, lookup VAR in the outer context when
4437 building copy assignment.
4438 (lower_send_clauses): Rename from expand_send_clauses.
4439 If CTX is nested, lookup VAR in the outer context when
4440 building copy assignments.
4441 (lower_send_shared_vars): Rename from expand_send_shared_vars.
4442 If CTX is nested, lookup VAR in the outer context when
4443 building copy assignments.
4444 (expand_parallel_call): Rename from build_parallel_call.
4445 Handle combined parallel+workshare cases.
4446 Re-implement to emit code into the CFG.
4447 (list2chain): New.
4448 (expand_omp_parallel): Re-implement to emit code into the CFG.
4449 Call move_sese_region_to_fn to outline the sub-graph
4450 containing the parallel region.
4451 (expand_omp_for_1): Remove.
4452 (expand_omp_for_generic): Re-implement to emit code into the
4453 CFG.
4454 (expand_omp_for_static_nochunk): Likewise.
4455 (expand_omp_for_static_chunk): Likewise.
4456 (expand_omp_for): Likewise.
4457 (expand_omp_sections): Likewise.
4458 (remove_exit_barriers): New.
4459 (expand_omp_synch): New.
4460 (expand_omp): New.
4461 (build_omp_regions_1): New.
4462 (build_omp_regions): New.
4463 (execute_expand_omp): New.
4464 (gate_expand_omp): New.
4465 (pass_expand_omp): Define.
4466 (lower_omp_sections): Rename from expand_omp_sections.
4467 Set OMP_SECTIONS_SECTIONS.
4468 (lower_omp_single_simple): Rename from expand_omp_single_simple.
4469 (lower_omp_single_copy): Rename from expand_omp_single_copy.
4470 (lower_omp_single): Rename from expand_omp_simple.
4471 (lower_omp_master): Rename from expand_omp_master.
4472 (lower_omp_ordered): Rename from expand_omp_ordered.
4473 (lower_omp_critical): Rename from expand_omp_critical.
4474 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
4475 (lower_omp_for): Re-implement.
4476 (lower_omp_parallel): Re-implement.
4477 (lower_regimplify): Rename from expand_regimplify.
4478 (lower_omp_1): Rename from expand_omp_1.
4479 If there are syntax errors in the program, replace every
4480 OpenMP directive with NOP.
4481 Call lower_omp_* instead of expand_omp_*.
4482 (lower_omp): Rename from expand_omp.
4484 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
4485 * tree-gimple.h (enum omp_parallel_type): Remove.
4486 (gimple_boolify): Declare extern.
4487 (find_omp_clause, determine_parallel_type): Remove.
4489 * gimple-low.c (lower_omp_directive): New.
4490 (lower_stmt): Call it.
4491 (record_vars_into): Move from ...
4492 (record_vars): ... here.
4493 Call record_vars_into with current_function_decl.
4495 * gimplify.c (struct gimplify_ctx): Remove fields
4496 combined_pre_p and combined_ctxp. Update users.
4497 (get_formal_tmp_var): Add documentation.
4498 (gimple_boolify): Make extern.
4499 (gimplify_expr_in_ctx): Remove. Update callers.
4500 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
4501 will always be a BIND_EXPR.
4502 (gimplify_expr): Handle OMP_RETURN_EXPR.
4503 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
4504 (OMP_PARALLEL): Add 3 operands.
4505 (OMP_SECTIONS): Add 1 operand.
4506 (OMP_RETURN_EXPR): Define.
4508 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
4509 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
4510 * tree-iterator.c (alloc_stmt_list): Assert that we are not
4511 creating a circular free list.
4512 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
4514 * tree-flow.h (move_sese_region_to_fn): Declare.
4515 (record_vars_into): Declare.
4516 * tree-cfg.c (make_omp_sections_edges): New.
4517 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
4518 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
4519 OMP_SECTIONS and OMP_SECTION.
4520 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
4521 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
4522 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
4523 (gather_blocks_in_sese_region): New.
4524 (struct move_stmt_d): Declare.
4525 (move_stmt_r): New.
4526 (move_block_to_fn): New.
4527 (move_sese_region_to_fn): New.
4529 * passes.c (init_optimization_passes): Schedule
4530 pass_expand_omp after pass_init_datastructures.
4532 * tree-ssa-operands.c (get_expr_operands): Handle
4533 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
4534 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
4536 2006-01-19 Jeff Law <law@redhat.com>
4538 * tree-vrp.c (extract_range_from_assert): Refine the result range
4539 if the variable referenced by the ASSERT_EXPR has a range and
4540 either the tentative result range or the previous range is a
4541 VR_ANTI_RANGE.
4543 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4545 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
4547 2006-01-19 Jan Hubicka <jh@suse.cz>
4549 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
4551 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
4553 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
4554 (expand_compound_operation, expand_field_assignment): Fail if the
4555 bit lengths of an extract operation are out of range.
4556 (make_extraction): Compute wanted_inner_mode based on the position
4557 and length of the extraction. Make it extraction_mode for non-constant
4558 positions, and do not modify offset in that case. When generating a
4559 new MEM, use a mode that can hold the extraction while keeping correct
4560 alignment. Remove code that supported MEMs wrapped by USEs.
4561 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
4563 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
4565 * config/s390/s390.md ("Y", "y"): New mode attribute.
4566 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
4567 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
4568 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
4569 "*addsi3_imm_cc", "*addsi3_carry1_cc",
4570 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
4571 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
4572 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
4573 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
4574 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
4575 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
4576 "addsi3", "subsi3"): Insn patterns removed.
4577 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
4578 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
4579 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
4580 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
4581 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
4582 "*sub<mode>3_cconly2"): New insn patterns.
4583 ("addsi3", "subsi3"): New expanders.
4585 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
4587 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
4588 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
4589 existing STMT_VINFO_VECTYPE if available.
4590 (vect_mark_relevant): Add special handling for stmts that are
4591 marked as STMT_VINFO_IN_PATTERN_P.
4592 (vect_analyze_loop): Call vect_pattern_recog.
4593 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
4594 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
4595 stmt_info.
4596 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
4597 (vect_recog_func_ptr): New function-pointer type.
4598 * tree-vect-patterns.c: New file.
4599 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
4600 (vect_recog_dot_prod_pattern, vect_pattern_recog):
4601 (vect_pattern_recog_1): New functions.
4602 (vect_pattern_recog_funcs): New array of function pointers.
4604 * tree-vectorizer.h (ternary_op): New enum value.
4605 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
4606 declaration. Revised documentation. Removed redundant dump prints.
4607 Removed redundant argument. Added support for reduction patterns.
4608 (vectorizable_reduction): Added support for reduction patterns.
4609 (vect_transform_stmt): Added support for patterns.
4611 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
4612 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
4613 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
4614 (expand_widen_pattern_expr): New function.
4615 (init_optabs): Initialize new optabs udot_prod_optab,
4616 sdot_prod_optab.
4617 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
4618 (sdot_prod_optab, udot_prod_optab): Define new optabs.
4619 (expand_widen_pattern_expr): New function declaration.
4620 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
4621 tree-codes.
4622 * tree-inline.c (estimate_num_insns_1): Added cases for new
4623 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4624 * tree-pretty-print.c (dump_generic_node): Likewise.
4625 (op_prio): Likewise.
4626 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4627 * tree-ssa-operands.c (get_expr_operands): Added case for
4628 DOT_PROD_EXPR.
4629 * tree-vect-patterns.c (widened_name_p): New function.
4630 (vect_recog_dot_prod_pattern): Added function implementation.
4631 * tree-vect-transform.c (get_initial_def_for_reduction): Added
4632 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
4633 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
4634 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
4636 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
4637 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
4638 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
4639 (init_optabs): Initialize new optabs widen_ssum_optab,
4640 widen_usum_optab.
4641 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
4642 (widen_ssum_optab, widen_usum_optab): Define new optabs.
4643 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
4644 use instead of type of def.
4645 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
4646 function implementation.
4647 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
4648 widen_ssumv8hi): New.
4650 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
4651 patterns.
4653 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4655 PR c/25805
4656 * c-decl.c (add_flexible_array_elts_to_size): New function.
4657 (finish_decl): Use it.
4659 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
4661 * diagnostic.h: Include options.h.
4662 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
4663 dependancies for diagnostic.h.
4664 * Makefile.in (DIAGNOSTIC_H): Add options.h.
4666 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
4668 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
4669 (ssa_ro_call_cache_valid): Ditto.
4670 * tree-ssa-alias.c (sort_tags_by_id): New function.
4671 (init_transitive_clobber_worklist): Ditto.
4672 (add_to_worklist): Ditto.
4673 (mark_aliases_call_clobbered): Ditto.
4674 (compute_tag_properties): Ditto.
4675 (set_initial_properties): Ditto.
4676 (compute_call_clobbered): Ditto.
4677 (compute_may_aliases): Call compute_call_clobbered and grouping.
4678 (compute_flow_sensitive_aliasing): Remove clobbering related code.
4679 (compute_flow_insensitive_aliasing): Grouping now happens in our
4680 caller.
4681 (setup_pointers_and_addressables): Remove clobbering related code.
4682 (add_may_alias): Ditto.
4683 (replace_may_alias): Ditto.
4684 (get_nmt_for): Ditto.
4685 (create_global_var):
4686 (is_escape_site): Return an escape_type enumeration.
4687 * tree-flow-inline.h (is_call_clobbered): Global var does not
4688 imply call clobbered.
4689 (mark_call_clobbered): Take a reason for marking this. Remove
4690 marking of globalness, and cache invalidation.
4691 (clear_call_clobbered): Remove cache invalidation code.
4692 * tree-dfa.c (dump_variable): If details is on, dump the reason
4693 for escaping.
4694 * tree-outof-ssa.c (create_temp): Copy escape mask from original
4695 variable.
4696 * tree-flow.h (struct ptr_info_def): Add escape mask member.
4697 (struct var_ann_d): Ditto.
4698 (enum escape_type): New.
4699 (mark_call_clobbered): Adjust prototype.
4700 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
4701 are never call clobbered.
4702 Record reasons for escaping.
4703 * tree-ssa-structalias.h (is_escape_site): Update prototype.
4704 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
4705 (ssa_ro_call_cache_valid): Ditto.
4706 (clobbered_v_may_defs): Ditto.
4707 (clobbered_vuses): Ditto.
4708 (ro_call_vuses): Ditto.
4709 (clobber_stats): New.
4710 (init_ssa_operands): Zero out clobber stats.
4711 (fini_ssa_operands): Print out clobber stats.
4712 (get_call_expr_operands): Pass callee fndecl to
4713 add_call_read_ops).
4714 (add_call_clobber_ops): Remove use of cache.
4715 Add use of PURE_CONST information.
4716 (add_call_read_ops): Remove use of cache.
4717 Add use of static not_read information.
4719 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
4721 Introduce TLS descriptors for i386 and x86_64.
4722 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
4723 (TARGET_ANY_GNU_TLS): New macro.
4724 (enum tls_dialect): Added TLS_DIALECT_GNU2.
4725 (struct machine_function): Add tls_descriptor_call_expanded_p.
4726 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
4727 (ix86_current_function_calls_tls_descriptor): Likewise.
4728 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
4729 (override_options): Introduce gnu2 tls dialect.
4730 (ix86_frame_pointer_required): Functions containing TLSCALLs are
4731 not leaves.
4732 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
4733 Likewise.
4734 (legitimize_tls_address): Adjust logic for GNU2 TLS.
4735 (ix86_init_machine_status): Initialize new field.
4736 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
4737 (ix86_tls_module_base): New.
4738 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
4739 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
4740 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
4741 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
4742 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
4743 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
4744 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
4745 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
4746 * config/i386/predicates.md (tls_modbase_operand): New.
4747 (tp_or_register_operand): New.
4749 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
4751 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
4752 (look_for_address_of): Ditto.
4753 (ipa_init): Walk the function decls.
4754 (static_execute): Don't set readonly on FUNCTION_DECL's.
4756 2006-01-18 Roger Sayle <roger@eyesopen.com>
4758 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
4759 for shifts where the source and destination registers are different.
4761 2006-01-18 Paul Brook <paul@codesourcery.com>
4763 Merge from csl-arm-branch.
4764 2005-03-14 Julian Brown <julian@codesourcery.com>
4765 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
4766 (aeabi_llsl): Likewise.
4767 (ashrdi3): Likewise.
4768 (aeabi_lasr): Likewise.
4769 (lshrdi3): Likewise.
4770 (aeabi_llsr): Likewise.
4771 2005-03-10 Julian Brown <julian@codesourcery.com>
4772 * config.gcc: Disable shared libgcc for SymbianOS.
4773 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
4775 2006-01-18 DJ Delorie <dj@redhat.com>
4777 * c-pragma.c (handle_pragma_diagnostic): New.
4778 (init_pragma): Register it.
4779 * doc/extend.texi: Document it.
4781 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
4782 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
4783 (diagnostic_context): Add classify_diagnostic[].
4784 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
4785 as errors if they're overridden to DK_WARNING.
4786 (diagnostic_initialize): Initialize classify_diagnostic[].
4787 (diagnostic_set_kind_override): New.
4788 (diagnostic_report_diagnostic): Check for kind changes.
4789 * opts.c (common_handle_option): Take lang_mask. Update callers.
4790 Handle OPT_Werror_.
4791 * common.opt (Werror=): New.
4792 * doc/invoke.texi: Document -Werror=*
4794 2006-01-18 Jeff Law <law@redhat.com>
4796 * tree-vrp.c (test_for_singularity): Correct test for new
4797 min limit. Use operand_equal_p rather than pointer equality
4798 for testing if new min/max values are equal.
4800 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
4801 using range information until after propagation and folding.
4803 2006-01-18 Richard Henderson <rth@redhat.com>
4804 Aldy Hernandez <aldyh@redhat.com>
4805 Jakub Jelinek <jakub@redhat.com>
4806 Diego Novillo <dnovillo@redhat.com>
4808 * omp-low.c: New file.
4809 * c-omp.c: New file.
4811 2006-01-18 Richard Henderson <rth@redhat.com>
4812 Jakub Jelinek <jakub@redhat.com>
4813 Diego Novillo <dnovillo@redhat.com>
4815 * doc/invoke.texi: Document -fopenmp.
4816 * tree-dump.h (debug_function): Declare.
4817 * hooks.c (hook_bool_tree_bool_false): New function.
4818 (hook_tree_tree_null): Remove.
4819 (hook_tree_tree_tree_null): New.
4820 * hooks.h: Update to match.
4821 * tree-pretty-print.c (debug_tree_chain): New.
4822 (print_generic_expr): Handle TDF_CHAIN.
4823 (dump_generic_node): Handle BLOCK.
4824 Do not abort with incomplete SWITCH_EXPRs.
4825 Do not dump body of an OpenMP directive if TDF_SLIM is given.
4826 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
4827 print space after directive name.
4828 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
4829 Handle OMP_MASTER and OMP_ORDERED.
4830 Handle printing of OMP_BODY just in one place, goto
4831 dump_omp_body in the rest of OMP_* nodes that have
4832 OMP_BODY.
4833 Don't handle clause nodes here. Update omp statements to
4834 use dump_omp_clauses.
4835 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
4836 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
4837 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
4838 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
4839 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
4840 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
4841 Adjust output for GOMP_PARALLEL.
4842 (dump_omp_clauses): New.
4843 (print_declaration): Dump DECL_VALUE_EXPR.
4844 (op_symbol_1): Split out of op_symbol.
4845 (dumping_stmts): Remove. Update all users.
4846 * cgraph.c (cgraph_analyze_queue): New.
4847 (cgraph_add_new_function): New.
4848 * cgraph.h (cgraph_analyze_queue): Declare.
4849 (cgraph_add_new_function): Declare.
4850 (cgraph_lower_function): Remove.
4851 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
4852 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
4853 and TYPE_P nodes in its default clause.
4854 (empty_body_p): New.
4855 (tree_range_check_failed): New.
4856 (build5_stat): New.
4857 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
4858 OMP_CLAUSE_REDUCTION_MERGE,
4859 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
4860 OMP_CLAUSE_PRIVATE_DEBUG,
4861 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
4862 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
4863 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
4864 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
4865 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
4866 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
4867 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
4868 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
4869 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
4870 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
4871 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
4872 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
4873 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
4874 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
4875 (TREE_RANGE_CHECK): New.
4876 (empty_body_p): Declare.
4877 (enum omp_clause_default_kind): New.
4878 (build_string_literal): Declare.
4879 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
4880 (build5_stat, build5): Declare.
4881 * tree-pass.h (TDF_CHAIN): Define.
4882 * tree-pass.h (PROP_gimple_lomp): Define.
4883 (pass_lower_omp): Declare.
4884 * diagnostic.h (debug_tree_chain): Declare.
4885 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
4886 mode_for_size.
4887 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
4888 * builtins.c (build_string_literal): Make extern.
4889 * gcc.c (include_spec_function): New.
4890 (static_spec_functions): Add it.
4891 (main): Move load of libgomp.spec ...
4892 (LINK_COMMAND_SPEC): ... here.
4893 (link_gomp_spec): New.
4894 (static_specs): Include it.
4895 (LINK_COMMAND_SPEC): Add link_gomp.
4896 (GOMP_SELF_SPECS): New.
4897 (driver_self_specs): Include it.
4898 (switch_matches): Don't mark inline.
4899 (main): Load libgomp.spec.
4900 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
4901 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
4902 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
4903 * tree-gimple.h (enum omp_parallel): Declare.
4904 (determine_parallel_type): Declare.
4905 (omp_firstprivatize_variable): Declare.
4906 (omp_reduction_init): Declare.
4907 (diagnose_omp_structured_block_errors): Declare.
4908 (struct walk_stmt_info): Add want_return_expr.
4909 (struct walk_stmt_info): Add want_bind_expr, want_locations.
4910 (find_omp_clause): Declare.
4911 (insert_field_into_struct): Declare.
4912 (struct walk_stmt_info): Move from tree-nested.c
4913 (walk_stmts): Declare.
4914 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
4915 to 200505.
4916 * cgraphunit.c (cgraph_lower_function): Make static.
4917 (cgraph_finalize_pending_functions): New.
4918 (cgraph_finalize_function): Call it.
4919 (cgraph_finalize_compilation_unit): Likewise.
4920 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
4921 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
4922 (BT_FN_UINT_UINT): New.
4923 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
4924 DEF_FUNCTION_TYPE_VAR_4): Document.
4925 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
4926 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
4927 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
4928 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
4929 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
4930 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
4931 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
4932 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
4933 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
4934 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
4935 into separate files.
4936 (DEF_GOMP_BUILTIN): New.
4937 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
4938 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
4939 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
4940 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
4941 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
4942 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
4943 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
4944 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
4945 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
4946 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
4947 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
4948 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
4949 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
4950 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
4951 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
4952 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
4953 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
4954 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
4955 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
4956 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
4957 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
4958 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
4959 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
4960 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
4961 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
4962 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
4963 * sync-builtins.def: New file, moved from builtins.def.
4964 * omp-builtins.def: New file, moved from builtins.def.
4965 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
4966 * gimple-low.c (lower_function_body): Clear data.
4967 (lower_stmt): Do not handle COMPOUND_EXPR.
4968 Remove call to print_node_brief.
4969 * c-tree.h (c_finish_omp_clauses): New prototype.
4970 (C_DECL_THREADPRIVATE_P): Define.
4971 (lookup_name_no_remap, c_omp_remap_private): Remove
4972 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
4973 (check_for_loop_decls): Update decl.
4974 (lookup_name_no_remap, c_omp_remap_private): Declare.
4975 (build_indirect_ref, build_modify_expr, pushdecl,
4976 pushdecl_top_level): Move to c-common.h.
4977 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
4978 before the switch, but just in the 2 places that need it.
4979 * c-decl.c (diagnose_mismatched_decls): Do not check for
4980 mismatched thread-local attributes when OLDDECL is marked
4981 threadprivate and NEWDECL has no thread-local attributes.
4982 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
4983 (c_gimple_diagnostics_recursively): Rename from
4984 c_warn_unused_result_recursively. Invoke
4985 diagnose_omp_structured_block_errors.
4986 (check_for_loop_decls): Return a singular decl found.
4987 * langhooks.c (lhd_omp_predetermined_sharing): Return
4988 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
4989 (lhd_omp_firstprivatize_type_sizes): New.
4990 (lhd_omp_assignment): New.
4991 (lhd_omp_predetermined_sharing): New.
4992 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
4993 (struct lang_hooks_for_types): Add
4994 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
4995 omp_predetermined_sharing, omp_disregard_value_expr,
4996 omp_private_debug_clause, omp_clause_default_ctor,
4997 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
4998 (c_finish_omp_clauses): New.
4999 (c_finish_bc_stmt): Diagnose break within omp for.
5000 (c_begin_omp_parallel, c_finish_omp_parallel): New.
5001 (build_unary_op): Return error_mark after reporting
5002 a readonly_error.
5003 (build_modify_expr): Likewise.
5004 * gimplify.c: Include optabs.h and pointer-set.h.
5005 (enum gimplify_omp_var_data): Declare.
5006 (struct gimplify_omp_ctx): Declare.
5007 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
5008 and combined_ctxp.
5009 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
5010 (push_gimplify_context, pop_gimplify_context): Allow nesting.
5011 (splay_tree_compare_decl_uid): New.
5012 (new_omp_context): New.
5013 (delete_omp_context): New.
5014 (gimple_add_tmp_var): Call omp_add_variable.
5015 (gimplify_bind_expr): Likewise.
5016 (gimplify_var_or_parm_decl): If omp_notice_variable returned
5017 true, disregard DECL_VALUE_EXPR on the decl if any.
5018 (gimplify_expr_in_ctx): New.
5019 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
5020 omp_add_variable, omp_notice_variable, omp_is_private
5021 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
5022 gimplify_adjust_omp_clauses, gimplify_omp_parallel
5023 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
5024 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
5025 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
5026 gimplify_omp_atomic): New.
5027 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5028 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5029 OMP_CRITICAL and OMP_ATOMIC.
5030 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
5031 * c-pragma.h (enum pragma_kind): Add
5032 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
5033 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
5034 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
5035 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
5036 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
5037 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
5038 PRAGMA_OMP_THREADPRIVATE.
5039 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5040 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5041 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
5042 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
5043 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
5044 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
5045 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
5046 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
5047 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
5048 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
5049 * tree-ssa-dce.c (find_control_dependence): Do not assume that
5050 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
5051 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
5052 OpenMP directives.
5053 (struct nesting_info): Add field_map,
5054 suppress_expansion, debug_var_chain.
5055 (create_nesting_tree): Initialize them.
5056 (lookup_field_for_decl): Use field_map.
5057 (get_nonlocal_debug_decl, get_local_debug_decl): New.
5058 (convert_local_omp_clauses): New.
5059 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
5060 (walk_body): Split out of walk_function.
5061 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
5062 (convert_nonlocal_reference): Handle omp statements.
5063 (convert_local_reference): Likewise.
5064 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
5065 (unnest_nesting_tree): New.
5066 (lower_nested_functions): Call it.
5067 (insert_field_into_struct): Make extern.
5068 (struct walk_stmt_info): Move to tree-gimple.h.
5069 (walk_stmts): Make extern.
5070 * omp-builtins.def: New file.
5071 * tree-iterator.c (expr_only): Clarify comment.
5072 * c-common.h (pushdecl_top_level, pushdecl,
5073 build_modify_expr, build_indirect_ref,
5074 c_finish_omp_master, c_finish_omp_critical,
5075 c_finish_omp_ordered, c_finish_omp_barrier,
5076 c_finish_omp_atomic, c_finish_omp_flush,
5077 c_finish_omp_for, c_split_parallel_clauses,
5078 omp_clause_default_kind, c_omp_sharing_predetermined,
5079 c_omp_remap_decl): Declare.
5080 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
5081 (OBJS-common): Add omp-low.o.
5082 (c-omp.o, omp-low.o): Add.
5083 (gimplify.o): Add dependency on $(OPTABS_H).
5084 (GTFILES): Add omp-low.c.
5085 (gt-stringpool.h): Add.
5086 * tree-cfg.c (set_bb_for_stmt): Do not update the
5087 block-to-labels map if we are currently expanding to RTL.
5088 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
5089 checks.
5090 Handle IDENTIFIER_NODE.
5091 (tree_verify_flow_info): Do not ICE when emitting error
5092 messages about invalid labels.
5093 (dump_function_to_file): Reset CFUN before emitting the body
5094 of the function.
5095 (debug_function): New.
5096 * passes.c (init_optimization_passes): Schedule
5097 pass_lower_omp.
5098 * langhooks-def.h (lhd_omp_predetermined_sharing,
5099 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
5100 Declare.
5101 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
5102 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
5103 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
5104 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
5105 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
5106 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
5107 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
5108 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
5109 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
5110 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
5111 (LANG_HOOK_DECLS): Use them.
5113 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
5114 Richard Henderson <rth@redhat.com>
5115 Jakub Jelinek <jakub@redhat.com>
5116 Diego Novillo <dnovillo@redhat.com>
5118 * c-parser.c (pragma_omp_clause): Define.
5119 (c_parser_declaration_or_fndef): Document OpenMP syntax.
5120 (c_parser_compound_statement): Likewise.
5121 (c_parser_statement): Likewise.
5122 (c_parser_pragma): Handle omp pragmas.
5123 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
5124 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
5125 (c_parser_omp_clause_name, check_no_duplicate_clause,
5126 c_parser_omp_variable_list,
5127 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
5128 c_parser_omp_clause_copyprivate,
5129 c_parser_omp_clause_default,
5130 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
5131 c_parser_omp_clause_lastprivate,
5132 c_parser_omp_clause_nowait,
5133 c_parser_omp_clause_num_threads,
5134 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
5135 c_parser_omp_clause_reduction,
5136 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
5137 c_parser_omp_all_clauses, c_parser_omp_structured_block,
5138 c_parser_omp_atomic, c_parser_omp_barrier,
5139 c_parser_omp_critical, c_parser_omp_flush,
5140 c_parser_omp_for_loop, c_parser_omp_for,
5141 c_parser_omp_master, c_parser_omp_ordered,
5142 c_parser_omp_sections_scope, c_parser_omp_sections,
5143 c_parser_omp_parallel, c_parser_omp_single,
5144 c_parser_omp_construct, c_parser_omp_threadprivate): New.
5145 * c-pragma.c (init_pragma): Do omp pragma registration here.
5146 * c.opt (fopenmp): New flag.
5148 2006-01-18 Eric Christopher <echristo@apple.com>
5150 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
5151 * config/darwin.h (GOMP_SELF_SPECS): Define.
5153 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5155 * rtl.h: Remove the prototype for reg_alloc.
5157 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5159 PR target/25731
5160 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
5161 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
5162 sjlj and dwarf2 exception handling.
5163 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
5164 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
5165 * pa/pa.c (function_value): Treat complex and vector types as
5166 aggregates.
5167 (function_arg): Likewise. Only pass scalar floats in the floating
5168 point argument registers.
5169 * pa/t-slibgcc-dwarf-ver: New file.
5170 * pa/t-slibgcc-sjlj-ver: New file.
5171 * pa/t-slibgcc-elf-ver: Delete file.
5173 2006-01-19 Alan Modra <amodra@bigpond.net.au>
5175 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
5176 unlikely_test_section_p test.
5178 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5180 * mode-switching.c (optimize_mode_switching): Make it static.
5181 * basic-block.h: Remove the prototype for
5182 optimize_mode_switching.
5184 * modulo-sched.c (sms_schedule): Make it static.
5185 * rtl.h: Remove the prototype for sms_schedule.
5187 * postreload-gcse.c (gcse_after_reload_main): Make it static.
5188 * rtl.h: Remove the prototype for gcse_after_reload_main.
5190 * reg-stack.c (reg_to_stack): Make it static.
5191 * rtl.h: Remove the prototype for reg_to_stack.
5193 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
5194 Make them static.
5195 * rtl.h: Remove the prototypes for regrename_optimize and
5196 copyprop_hardreg_forward.
5198 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
5200 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
5201 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
5202 Test against the appropriate null constant for the mode.
5203 If 'fixup_overlap' is true, swap the operands if they overlap.
5204 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
5205 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
5206 alpha_split_tmode_pair and adjust for above change.
5207 * config/alpha/alpha.md (movtf_internal): Adjust call to
5208 alpha_split_tfmode_pair and rely on it to swap the operands.
5209 (movti_internal): New insn and post-reload splitter.
5210 (movti): New expander.
5212 2006-01-18 Philippe De Muyter <phdm@macqel.be>
5214 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
5215 operands.
5217 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5219 * rtlanal.c (global_reg_mentioned_p_1,
5220 global_reg_mentioned_p): Remove.
5221 * rtl.h: Remove the prototype for global_reg_mentioned_p.
5223 * flow.c (initialize_uninitialized_subregs): Make it static.
5224 * rtl.h: Remove the prototype for
5225 initialize_uninitialized_subregs.
5227 * function.c (instantiate_virtual_regs): Make it static.
5228 * function.h: Remove the prototype for
5229 instantiate_virtual_regs.
5231 * regmove.c (regmove_optimize, combine_stack_adjustments):
5232 Make them static.
5233 * rtl.h: Remove the prototypes for regmove_optimize and
5234 combine_stack_adjustments.
5236 2006-01-17 Roger Sayle <roger@eyesopen.com>
5238 * config/i386/i386.c (COSTS_N_BYTES): New macro.
5239 (size_cost): Encode costs in bytes so that a reg-reg addition is
5240 equivalent to COSTS_N_INSNS(1).
5241 (override_options): Use the size_cost.branch_cost as the default
5242 ix86_branch_cost when optimizing for size.
5244 2006-01-18 Ben Elliston <bje@au.ibm.com>
5246 * Makefile.in (D32PBIT_FUNCS): New.
5247 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
5248 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
5249 D64PBIT_FUNCS and D128PBIT_FUNCS.
5250 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
5251 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
5252 D128PBIT are set.
5253 (decnumber_dep): Define.
5254 * doc/libgcc.texi (Decimal float library routines): New node.
5255 * config/dfp-bit.h, config/dfp-bit.c: New files.
5257 2006-01-18 Ben Elliston <bje@au.ibm.com>
5259 * expr.c (emit_move_change_mode): Always adjust addresses, not
5260 just during reload. Copy replacements only during reload.
5261 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
5262 emit_move_via_integer.
5264 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
5266 * Makefile.in (check-%, check-consistency): Use $${srcdir}
5267 instead of $(srcdir) and ${srcdir}.
5269 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
5271 PR target/592
5272 PR middle-end/11135
5273 * arm.h (struct machine_function): Add pic_reg.
5274 * arm.c (arm_pic_register): Make unsigned.
5275 (arm_override_options): Only set arm_pic_register if
5276 TARGET_SINGLE_PIC_BASE.
5277 (use_return_insn): Only test for a pic register if it is fixed.
5278 (arm_compute_save_reg0_reg12_mask): Likewise.
5279 (thumb_compute_save_reg_mask): Likewise.
5280 (legitimate_pic_operand): Factor out some known invariants.
5281 (legitimize_pic_address): If we don't have a fixed pic register,
5282 then set up a pseudo in the function entry sequence. Handle the
5283 pic base being in a pseudo.
5284 (arm_load_pic_register): Handle the pic register being in a pseudo.
5285 (arm_expand_prologue): Only set up the pic register if it is fixed.
5286 (thumb_expand_prologue): Likewise.
5287 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
5288 (pic_load_addr_based_insn): Likewise.
5289 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
5290 fixed.
5292 2006-01-18 Ben Elliston <bje@au.ibm.com>
5294 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
5295 decimal float modes for all floating point registers.
5297 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
5298 match_code "mem" with match_test "macho_lo_sum_memory_operand".
5300 2006-01-17 Jakub Jelinek <jakub@redhat.com>
5302 PR c/25682
5303 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
5304 even when the pointer is not NULL.
5306 2006-01-16 Ian Lance Taylor <ian@airs.com>
5308 * common.opt (ftoplevel-reorder): New option.
5309 * cgraph.c (cgraph_asm_nodes): New global variable.
5310 (cgraph_asm_last_node): New static variable.
5311 (cgraph_order): New global variable.
5312 (cgraph_create_node): Set new order field.
5313 (cgraph_varpool_node): Likewise.
5314 (decide_is_variable_needed): Return true if not
5315 flag_toplevel_reorder.
5316 (cgraph_add_asm_node): New function.
5317 * cgraph.h (struct cgraph_node): Add order field.
5318 (struct cgraph_varpool_node): Add order field.
5319 (struct cgraph_asm_node): Define.
5320 (cgraph_asm_nodes, cgraph_order): Declare.
5321 (cgraph_add_asm_node): Declare.
5322 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
5323 function.
5324 (cgraph_varpool_assemble_pending_decls): Call it.
5325 (cgraph_output_pending_asms): New static function.
5326 (cgraph_finalize_compilation_unit): Call it.
5327 (struct cgraph_order_sort): Define.
5328 (cgraph_output_in_order): New static function.
5329 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
5330 !flag_toplevel_reorder case.
5331 * c-parser.c: Include "cgraph.h".
5332 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
5333 assemble_asm.
5334 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
5335 than -fno-unit-at-a-time.
5336 * doc/invoke.texi (Option Summary): Mention
5337 -fno-toplevel-reorder.
5338 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
5339 -funit-at-a-time documentation.
5341 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
5342 Kazu Hirata <kazu@codesourcery.com>
5344 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
5346 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
5348 * Makefile.in (FUNCTION_H): New. Use it instead of
5349 function.h throughout the file.
5350 * function.h: Include tree.h.
5352 2006-01-17 Ben Elliston <bje@au.ibm.com>
5354 * recog.c: Separate some functions with whitespace.
5356 2006-01-16 Richard Henderson <rth@redhat.com>
5358 Merge from gomp branch:
5359 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
5360 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
5361 and rename from struct inline_data. Rename callee* to dst*;
5362 caller* to src*; add copy_decl hook, transform_call_graph_edges,
5363 transform_new_cfg, transform_return_to_modify, and
5364 transform_lang_insert_block flags; remove cloning_p, versioning_p,
5365 update_clones_p.
5366 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
5367 (copy_decl_for_dup): Remove.
5368 * tree-inline.c (struct inline_data): Move to header.
5369 (insert_decl_map): Export.
5370 (remap_decl): Update for member name changes. Use copy_decl hook.
5371 Allow for replacement to be a non-decl. Remove dead code.
5372 (remap_type_1): Check for existing mapping.
5373 (remap_type): Export.
5374 (remap_decls): Update for member name changes.
5375 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
5376 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
5377 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
5378 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
5379 (tree_function_versioning, build_duplicate_type): Likewise.
5380 (copy_body_r): Likewise. Export.
5381 (copy_decl_for_dup): Split into ...
5382 (copy_decl_for_dup_finish, copy_decl_to_var,
5383 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
5384 (replace_ref_tree, inlining_p): Remove.
5386 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5388 * ifcvt.c (if_convert): Make it static.
5389 * rtl.h: Remove the prototype for if_convert.
5391 * local-alloc.c (local_alloc): Make it static.
5392 * rtl.h: Remove the prototype for local_alloc.
5394 * loop.c (loop_optimize): Make it static.
5395 * cfgloop.h: Remove the prototype for loop_optimize.
5396 * rtl.h: Likewise.
5398 2006-01-16 DJ Delorie <dj@redhat.com>
5400 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
5401 mems.
5403 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5405 * pa.md: Disparage copies between general and floating-point registers
5406 in 32-bit move patterns.
5408 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
5410 PR testsuite/25741
5411 * Makefile.in (check-%): Depend on site.exp instead of
5412 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
5413 directories.
5415 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5417 * global.c (global_alloc): Make it static.
5418 * rtl.h: Remove the prototype for global_alloc.
5420 2006-01-16 Richard Guenther <rguenther@suse.de>
5422 * tree-ssa-alias.c (struct used_part): Add write_only field.
5423 (get_or_create_used_part_for): Initialize it to true.
5424 (create_overlap_variables_for): Don't create structure variables
5425 for structures that only are written to.
5426 (find_used_portions): Handle MODIFY_EXPR to track whether a
5427 structure is only written to.
5429 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5431 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
5432 static.
5433 * basic-block.h: Remove the prototype for
5434 partition_hot_cold_basic_blocks.
5436 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
5438 * cppspec.c (lang_specific_spec_functions): Remove.
5439 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
5440 * gcc.h (lang_specific_spec_functions): Remove.
5441 * gccspec.c (lang_specific_spec_functions): Remove.
5443 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
5445 * combine.c (record_value_for_reg): Invalidate registers
5446 if INSN is null.
5447 (record_dead_and_set_regs_1): Likewise, by passing them to
5448 record_value_for_reg.
5449 (record_dead_and_set_regs): Invalidate stores made by a
5450 call. We do not combine across a call, but we still
5451 relied on equivalences.
5453 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5455 * tree-vrp.c (extract_range_from_binary_expr): Cope with
5456 vrp_int_const_binop returning non-constant nodes.
5458 2006-01-16 Paul Brook <paul@codesourcery.com>
5460 * config/m68k/m68k.c (output_move_const_into_data_reg):
5461 Output correct mnemonic for mvz and mvs.
5463 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
5465 * rtl-factoring.c: Add sequence abstraction algorithm.
5466 * cfgcleanup.c (outgoing_edges_match): Extra checks.
5467 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
5468 ABNORMAL edges.
5469 (block_has_preserve_label): New function.
5470 * common.opt: Register new pass.
5471 * Makefile.in: Ditto.
5472 * passes.c: Ditto.
5473 * timevar.def: Ditto.
5474 * tree-pass.h: Ditto.
5475 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
5476 * rtl.h (make_jump_insn_raw): Add forward decl.
5477 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
5479 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5480 Roger Sayle <roger@eyesopen.com>
5482 * fold-const.c (fold_minmax): New static function.
5483 (fold_binary) <MIN_EXPR>: Call it.
5484 <MAX_EXPR>: Likewise.
5485 * stor-layout.c (place_field): Use DECL_SIZE consistently
5486 in the computation of the new record size.
5488 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5490 * cse.c (cse_condition_code_reg): Make it static.
5491 * rtl.h: Remove the prototype for cse_condition_code_reg.
5493 * combine.c (combine_instructions): Make it static.
5494 * rtl.h: Remove the prototype for combine_instructions.
5496 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5498 PR target/25168
5499 * tree.c (get_file_function_name_long): Concatenate the first global
5500 object name with a string derived from the input filename of the object
5501 for type "F".
5503 2006-01-16 Ben Elliston <bje@au.ibm.com>
5505 * config/i386/winnt-stubs.c: Update FSF address.
5506 * config/xtensa/ieee754-df.S: Ditto.
5507 * config/xtensa/ieee754-sf.S: Ditto.
5509 2006-01-14 Ian Lance Taylor <ian@airs.com>
5511 * ifcvt.c (noce_init_if_info): New static function, broken out of
5512 noce_process_if_block.
5513 (noce_process_if_block): Call noce_init_if_info.
5514 (check_cond_move_block): New static function.
5515 (cond_move_process_if_block): New static function.
5516 (process_if_block): Call cond_move_process_if_block.
5518 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
5520 * cselib.c (hash_table): Rename to cselib_hash_table.
5521 (cselib_clear_table, discard_useless_values,
5522 remove_useless_values, cselib_lookup_mem, cselib_lookup,
5523 cselib_init, cselib_finish): Adjust uses of hash_table.
5525 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
5527 PR tree-optimization/25485
5528 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
5529 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
5530 is known to be false and true, respectively.
5532 2006-01-14 Richard Guenther <rguenther@suse.de>
5534 PR tree-optimization/22548
5535 PR tree-optimization/22555
5536 PR tree-optimization/22501
5537 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
5538 * params.def (salias-max-array-elements): New parameter.
5539 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
5540 * doc/invoke.texi (salias-max-array-elements): Document.
5541 * tree-flow-inline.h (var_can_have_subvars): We also handle
5542 arrays now.
5543 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
5544 COMPONENT_REF.
5545 * tree-ssa-structalias.c (params.h): Include.
5546 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
5547 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
5548 (get_constraint_for): For ADDR_EXPR operating on something
5549 containing an ARRAY_REF, add all subvars to the solution.
5550 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
5551 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
5552 for creating MUST_DEFs.
5553 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
5555 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
5557 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
5558 functions.
5559 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
5560 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5561 number_of_iterations_le): New functions.
5562 (number_of_iterations_special): Removed.
5563 (number_of_iterations_exit): Do not use number_of_iterations_special.
5564 * tree.c (unsigned_type_for): Always return integer type.
5566 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
5567 Richard Guenther <rguenther@suse.de>
5569 PR rtl-optimization/24257
5570 * gcse.c (find_moveable_store): Only consider a store movable
5571 when the SET_SRC of the insn can be assigned to a register.
5573 2006-01-14 Ian Lance Taylor <ian@airs.com>
5575 * tree.c (tree_not_class_check_failed): New function.
5576 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
5577 (tree_not_class_check_failed): Declare.
5579 2006-01-13 Ian Lance Taylor <ian@airs.com>
5581 * reload1.c (do_output_reload): Add assertion rejecting a
5582 CALL_INSN.
5584 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
5586 * combine.c (struct reg_stat): Add new fields truncation_label and
5587 truncated_to_mode.
5588 (record_value_for_reg): Reset truncated_to_mode.
5589 (record_truncated_value): New function.
5590 (check_promoted_subreg): Call it. Rename to check_conversions.
5591 (combine_instructions): Rename check_promoted_subreg to
5592 check_conversions.
5593 (reg_truncated_to_mode): New function.
5594 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
5595 (gen_lowpart_or_truncate): New function.
5596 (force_to_mode): Use it instead of gen_lowpart.
5598 2006-01-13 Diego Novillo <dnovillo@redhat.com>
5600 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
5601 VAR is a tag, not its type tag.
5603 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
5605 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
5606 alternatives to match style of other entries.
5607 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
5609 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
5611 PR tree-optimization/25771
5612 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
5613 SSA_NAMES.
5615 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
5617 PR tree-opt/24365
5618 * tree-inline.c (declare_return_variable): If the return variable
5619 was marked as a non gimple complex, set the return slot variable
5620 to be a non gimple comple variable.
5622 2006-01-13 Richard Guenther <rguenther@suse.de>
5624 * builtins.c (expand_builtin_sincos): New function.
5625 (expand_builtin_mathfn_3): Remove dead code, sin and cos
5626 do not set errno.
5627 (expand_builtin): Expand sincos using expand_builtin_sincos.
5629 2006-01-12 DJ Delorie <dj@redhat.com>
5631 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
5632 shift counts, separate SI shifts for m32c vs m16c, pass shift type
5633 so that constant shifts can be split.
5634 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
5635 (m32c_valid_pointer_mode): Make static.
5636 (shift_gen_func_for): New.
5637 (m32c_prepare_shift): Use it. Split large const shifts into
5638 multiple shifts.
5639 * config/m32c/predicates.md (shiftcount_operand): Allow more
5640 general operands.
5641 (longshiftcount_operand): New.
5642 * doc/md.texi (Machine Constraints): Document In6.
5644 2006-01-13 Ben Elliston <bje@au.ibm.com>
5646 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
5647 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
5648 documentation.
5650 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
5652 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
5653 to try to avoid clobbering pieces of structures when we know
5654 something about the whole structure.
5655 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
5657 2006-01-13 Ben Elliston <bje@au.ibm.com>
5659 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
5660 return in memory, as this is no limitation is no longer present.
5662 2006-01-12 DJ Delorie <dj@redhat.com>
5664 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
5665 mova with fb, and for fb+0 -> An.
5667 * config/m32c/mov.md (peephole2): Fix enabling logic.
5669 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
5670 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
5671 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
5672 FINI_ARRAY_SECTION_ASM_OP): Define.
5674 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
5675 variable.
5676 (m32c_legitimize_reload_address): New logic to reload FB to An.
5677 (m32c_output_reg_push): Add newline.
5678 (m32c_output_reg_pop): Likewise.
5680 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
5682 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
5684 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
5686 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
5688 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5690 * config/sh/predicates.md (sh_rep_vec): Add parallel to
5691 match_code.
5693 2006-01-11 Ben Elliston <bje@au.ibm.com>
5695 * rtlanal.c (find_reg_note): Assert insn is not null.
5697 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
5699 * df-scan.c (df_hard_reg_init): Move declaration of i outside
5700 ifdef.
5702 2006-01-11 Jeff Law <law@redhat.com>
5704 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
5705 hold edge pairs.
5706 (mark_threaded_blocks, register_jump_thread): New functions.
5707 (thread_through_all_blocks): Remove unwanted argument. No
5708 longer rely on e->aux to communicate thread target info.
5709 Call mark_threaded_blocks. Release the threaded_blocks
5710 bitmap and threaded_edges vector when complete.
5711 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
5712 (threaded_blocks): Remove.
5713 (tree_ssa_dominator_optimize): Remove initialization and
5714 finalization of threaded_blocks. Simplify call to
5715 thread_through_all_blocks.
5716 (thread_across_edge): Call register_jump_thread rather than
5717 storing thread information into e->aux.
5718 (free_all_edge_infos): Simplify now that e->aux is no longer
5719 used to communicate with thread_through_all_blocks.
5720 * tree-flow.h (thread_through_all_blocks): Update prototype.
5721 (register_jump_thread): Prototype.
5723 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5725 * df-core.c (df_compact_blocks, df_bb_replace): Use
5726 SET_BASIC_BLOCK instead of BASIC_BLOCK.
5728 2006-01-11 Richard Guenther <rguenther@suse.de>
5730 PR tree-optimization/25734
5731 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
5732 stop propagation after successful propagation to the LHS.
5734 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5736 * basic-block.h (control_flow_graph): Change the type of
5737 x_basic_block_info to VEC(basic_block,gc) *.
5738 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
5739 basic_block_info.
5740 (SET_BASIC_BLOCK): New.
5741 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
5742 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
5743 * cfgbuild.c (find_basic_blocks): Likewise.
5744 * cfglayout.c (fixup_reorder_chain): Likewise.
5745 * cfgrtl.c (create_basic_block_structure,
5746 rtl_create_basic_block): Likewise.
5747 * ifcvt.c (find_if_case_1): Likewise.
5748 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
5749 Likewise.
5751 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
5753 * Makefile.in: Removed rotted odf.c entry.
5755 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
5757 PR target/25706
5758 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
5759 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
5760 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
5761 output pattern modifier, not %e.
5762 * config/cris/cris.c (cris_op_str): Update comment about pattern
5763 modifier.
5764 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
5765 before falling through into...
5766 <case 'E'>: Redefined from old 'e' case.
5768 2006-01-11 Jan Hubicka <jh@suse.cz>
5770 PR target/25042
5771 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
5773 2006-01-11 Jan Hubicka <jh@suse.cz>
5775 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
5776 * i386.c (x86_decompose_lea): Kill.
5777 (ix86_rtx_costs): Kill.
5779 2006-01-11 Jan Hubicka <jh@suse.cz>
5781 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
5782 * cgraph.h (cgraph_node): Add inline_decl.
5783 (cgraph_insert_node_to_hashtable): Declare.
5784 (save_inline_function_body): Declare.
5785 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
5786 clones.
5787 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
5788 (cgraph_function_versioning): Update call of tree_function_versioning.
5789 (save_inline_function_body): New function.
5790 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
5791 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
5792 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
5793 (cgraph_default_inline_p): Likewise.
5794 (cgraph_decide_inlining_incrementally): Likewise.
5795 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
5796 (copy_bb): Kill saving; do updating of clones.
5797 (copy_cfg_body): Kill saving.
5798 (initialize_inlined-parameters): Likewise.
5799 (expand_call_inline): Likewise.
5800 (save_body): Kill.
5801 (tree_function_versioning): New parameter "update_clones".
5802 (inlining_p): Kill saving.
5803 * tree-inline.h (tree_function_versioning): Update prototype.
5804 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
5805 saving.
5807 2006-01-11 Ian Lance Taylor <ian@airs.com>
5809 * combine.c (struct undo): Remove is_int. Enumify types of undos.
5810 Allow undoing set of machine mode.
5811 (do_SUBST): Use enums instead of is_int.
5812 (do_SUBST_MODE): New function.
5813 (SUBST_MODE): New macro.
5814 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
5815 reg and trying to replace reg_regno_rtx with a new register.
5816 (undo_all): Use new enums, handle undoing a PUT_MODE change.
5817 (simplify_set): Use SUBST_MODE.
5818 (distribute_notes): Remove code that tried to update reg notes
5819 for regno_reg_rtx changes.
5821 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
5823 PR tree-optimization/23109
5824 PR tree-optimization/23948
5825 PR tree-optimization/24123
5827 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
5828 * tree-cfg.c (single_noncomplex_succ): New.
5829 * tree-flow.h (single_noncomplex_succ): Declare it.
5830 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
5831 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
5832 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
5833 insert_bb, register_division_in, insert_reciprocals,
5834 replace_reciprocal, free_bb): New.
5835 (execute_cse_reciprocals_1): Rewritten.
5836 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
5837 Do not commit any edge insertion. Always compute dominators and
5838 create the allocation pool.
5839 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
5840 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
5841 * targhooks.c (default_min_divistions_for_recip_mul): New.
5842 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
5843 * passes.c (init_optimization_passes): Run recip after tree loop
5844 optimizations.
5845 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
5847 2006-01-11 Danny Berlin <dberlin@dberlin.org>
5848 Kenneth Zadeck <zadeck@naturalbridge.com>
5850 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
5851 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
5852 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
5853 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
5854 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
5855 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
5856 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
5857 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
5858 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
5859 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
5860 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
5861 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
5862 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
5863 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
5864 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
5865 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
5866 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
5867 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
5868 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
5869 DF_SCAN_POST_ALLOC): New macros.
5870 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
5871 df_free_bb_function, df_local_compute_function, df_init_function,
5872 df_dataflow_function, df_confluence_function_0,
5873 df_confluence_function_n, df_transfer_function,
5874 df_finalizer_function, df_free_function, df_dump_problem_function,
5875 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
5876 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
5877 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
5878 df_urec_bb_info, ) New types.
5879 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
5880 variables.
5881 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
5882 df_analyze_simple_change_some_blocks,
5883 df_analyze_simple_change_one_block, df_compact_blocks,
5884 df_bb_replace, df_bb_regno_last_use_find,
5885 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
5886 df_insn_regno_def_p, df_find_def, df_find_use,
5887 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
5888 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
5889 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
5890 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
5891 debug_df_chain, df_get_dependent_problem, df_chain_create,
5892 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
5893 df_grow_bb_info, df_chain_dump, df_print_bb_index,
5894 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
5895 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
5896 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
5897 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
5898 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
5899 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
5900 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
5901 df_ref_remove, df_insn_refs_delete, df_refs_delete,
5902 df_reorganize_refs, df_set_state, df_hard_reg_init,
5903 df_read_modify_subreg_p) New public functions.
5904 * df-core.c: The core dataflow solver and glue routines for rtl
5905 dataflow.
5906 (df_init, df_add_problem, df_set_blocks, df_finish,
5907 df_hybrid_search_forward, df_hybrid_search_backward,
5908 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
5909 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
5910 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
5911 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
5912 df_reg_defined, df_find_use, df_reg_used, df_dump,
5913 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
5914 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
5915 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
5916 debug_df_useno, reset_df_after_reload): New functions.
5917 * df-scan.c: The scanning fuctions, once in df.c, completely
5918 rewritten so that they now fully model the functionality of
5919 register usage at the backend.
5920 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
5921 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
5922 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
5923 df_grow_insn_info, df_rescan_blocks, df_ref_create,
5924 df_get_artificial_defs, df_get_artificial_uses,
5925 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
5926 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
5927 df_refs_delete, df_reorganize_refs, df_set_state,
5928 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
5929 df_def_record_1, df_defs_record, df_uses_record,
5930 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
5931 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
5932 df_record_exit_block_uses, df_hard_reg_init): New functions.
5934 * df-problems.c: Seven concrete dataflow problems that use the
5935 scanning in df-scan.c and are solved by the engine in df-core.c.
5936 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
5937 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
5938 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
5939 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
5940 df_ru_free_bb_info, df_ru_alloc,
5941 df_ru_bb_local_compute_process_def,
5942 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
5943 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
5944 df_ru_transfer_function, df_ru_free, df_ru_dump,
5945 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
5946 df_rd_free_bb_info, df_rd_alloc,
5947 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
5948 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
5949 df_rd_transfer_function, df_rd_free, df_rd_dump,
5950 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
5951 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
5952 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
5953 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
5954 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
5955 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
5956 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
5957 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
5958 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
5959 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
5960 df_urec_mark_reg_change, df_urec_check_earlyclobber,
5961 df_urec_mark_reg_use_for_earlyclobber,
5962 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
5963 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
5964 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
5965 df_urec_dump, df_urec_add_problem, df_chain_alloc,
5966 df_chain_create_bb_process_use, df_chain_create_bb,
5967 df_chain_finalize, df_chain_free, df_chains_dump,
5968 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
5969 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
5970 df_reg_lifetime): New functions.
5971 * df.c: Deleted file.
5972 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
5973 consistent with new df api.
5974 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
5975 rest_of_handle_sms): Ditto.
5976 * web.c (unionfind_union, union_defs, entry_register, web_main):
5977 Ditto.
5978 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
5979 invariant_expr_equal_p, find_defs, check_dependencies,
5980 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
5981 free_inv_motion_data, move_loop_invariants): Ditto.
5982 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
5983 Update dependencies.
5984 (odf.c): Added defective entry that was deleted later in day.
5985 * sched-deps.c (sched_analyze_1): Ditto.
5987 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
5989 * tree-ssa-operands.c (get_expr_operands): Record addressable
5990 variables directly. Do not call add_stmt_operands for CONST_DECLs
5991 and ARRAY_DECLs.
5992 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
5993 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
5995 2006-01-11 Ben Elliston <bje@au.ibm.com>
5997 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
5998 function returns true in the positive case.
6000 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6002 PR target/20754
6003 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
6004 for SI, DI, SF and DF modes. Add alternatives to copy between
6005 general and floating point registers to the 32-bit patterns.
6006 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
6007 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
6008 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
6009 generating 64-bit code.
6010 * config/pa/pa.c (output_move_double): Handle copies between general
6011 and floating registers.
6013 2006-01-10 Stuart Hastings <stuart@apple.com>
6015 * config/i386/i386.md (set_got): Update.
6016 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
6017 (builtin_setjmp_receiver): Mach-O support.
6018 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
6019 (GOT_SYMBOL_NAME): Define.
6020 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
6021 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
6022 * config/i386/i386.c (override_options): Revise for Darwin.
6023 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
6024 support. (darwin_x86_file_end): New. (output_set_got): Add label
6025 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
6026 * config/i386/i386-protos.h (output_set_got): Likewise.
6027 * config/darwin.c (machopic_legitimize_pic_address): Update
6028 regs_ever_live[].
6030 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
6032 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
6033 when MODE isn't BLKmode.
6035 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6037 PR rtl-optimization/25367
6038 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
6040 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
6042 PR target/25718
6043 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
6044 for a negative bound.
6046 2006-01-10 Richard Guenther <rguenther@suse.de>
6048 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6049 Never override with anything constraint.
6051 2006-01-10 Jan Beulich <jbeulich@novell.com>
6053 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
6054 256 bits when optimize_size.
6056 2006-01-10 Jan Beulich <jbeulich@novell.com>
6058 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
6059 MASK_ALIGN_DOUBLE.
6060 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
6061 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
6062 arguments.
6064 2006-01-10 Ben Elliston <bje@au.ibm.com>
6066 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
6067 float modes.
6068 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
6069 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
6070 (USE_FP_FOR_ARG): Reject decimal float modes.
6071 (function_arg_advance): Likewise.
6072 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
6073 (rs6000_handle_altivec_attribute): Do not permit decimal floating
6074 point types in AltiVec vectors.
6075 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
6076 (rs6000_libcall_value): Likewise.
6078 2006-01-09 Bob Wilson <bob.wilson@acm.org>
6080 * config/xtensa/ieee754-df.S: New file.
6081 * config/xtensa/ieee754-sf.S: New file.
6082 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
6083 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
6084 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
6086 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
6088 * config/sh/predicates.md (binary_float_operator,
6089 binary_logical_operator, commutative_float_operator,
6090 equality_comparison_operator, greater_comparison_operator,
6091 less_comparison_operator, logical_operator,
6092 noncommutative_float_operator, shift_operator,
6093 symbol_ref_operand, unary_float_operator): Remove redundant
6094 conditionals.
6096 2006-01-09 Jeff Law <law@redhat.com>
6098 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
6099 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
6100 now unused arguments. Callers updated.
6101 (eliminate_redundant_computations): Remove now unused arguments,
6102 callers updated.
6103 (local_fold): Remove, no longer used.
6104 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
6105 and moved to...
6106 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
6107 (simplify_cond): New function.
6108 (forward_propagate_into_cond): Call simplify_cond.
6110 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
6112 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
6113 (*vec_extractv2di_1_sse): New.
6115 2006-01-09 Ben Elliston <bje@au.ibm.com>
6117 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
6119 2006-01-08 Richard Guenther <rguenther@suse.de>
6121 * tree-ssa-structalias.c (get_constraint_for): Remove
6122 anyoffset argument.
6123 (get_constraint_for_component_ref): Likewise.
6124 (do_deref): Likewise.
6125 (get_constraint_for): Likewise.
6126 (do_structure_copy): Likewise.
6127 (handle_ptr_arith): Likewise.
6128 (find_func_aliases): Likewise. Remove unused need_anyoffset
6129 variable.
6131 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
6132 Kaz Kojima <kkojima@gcc.gnu.org>
6134 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
6135 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
6136 (EXTRA_CONSTRAINT_C16): Remove.
6137 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
6138 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
6139 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
6140 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
6141 constants of SHmedia. Handle nested constant expressions of
6142 SHmedia correctly.
6143 (andcosts): Fix the costs for SHmedia constants.
6144 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
6145 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
6146 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
6147 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
6148 (movv4hi_i, movv2si_i): Likewise.
6149 (movsi_const): Adjust the second operand of ior so to match with
6150 the Csu constraint.
6151 (movdi_const, movdi_const_32bit): Likewise.
6152 (movdi_const_16bit+1): Don't sign-extend LOW.
6153 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
6154 step.
6155 (*double_shori): Fix the split condition. Use GEN_INT instead
6156 of get_int_mode calls. Mask lower 16-bit of the argument of
6157 the last GEN_INT.
6158 (sym2GOTPLT): Remove.
6159 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
6160 gen_rtx_UNSPEC.
6161 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
6162 instead of EXTRA_CONSTRAINT_C16.
6164 2006-01-07 Ian Lance Taylor <ian@airs.com>
6165 David Edelsohn <edelsohn@gnu.org>
6167 PR rtl-optimization/25662
6168 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
6169 for constant operands instead of simplify_gen_binary.
6170 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
6171 after trying simplify_binary_operation
6173 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
6175 * tree.c (iterative_hash_expr): Hash decls based on UID.
6177 2006-01-06 Eric Christopher <echristo@apple.com>
6179 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
6180 (TARGET_UNWIND_EMIT): Fix spelling.
6181 * target.h (gcc_target): Add except_table_label.
6182 * except.c (output_function_exception_table): Use.
6183 * varasm.c (default_emit_except_table_label): New.
6184 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
6185 define.
6186 (asm_out): Add here.
6187 * output.h (default_emit_except_table_label): Prototype.
6188 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
6189 * config/darwin.c (darwin_emit_except_table_label): Define.
6190 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
6192 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
6194 PR tree-optimization/18527
6195 * tree-ssa-loop-niter.c (number_of_iterations_cond,
6196 number_of_iterations_special, number_of_iterations_exit):
6197 Move base and step of an iv to a single structure. Add
6198 no_overflow flag, and use it in # of iterations analysis.
6199 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
6200 folded_casts argument.
6201 (simple_iv): Pass base and step in a structure. Set no_overflow
6202 flag.
6203 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
6204 Evaluate expensiveness of computing # of iterations instead of
6205 the final expression.
6206 * tree-scalar-evolution.h (affine_iv): New structure.
6207 (simple_iv): Declaration changed.
6208 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
6209 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
6210 find_givs_in_stmt): Changed due to simple_iv change.
6212 2006-01-06 Jeff Law <law@redhat.com>
6214 PR ada/24994
6215 * tree-cfg.c (bsi_replace): Rename final argument from
6216 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
6217 change (stmt -> orig_stmt).
6218 * tree-eh.c (verify_eh_throw_stmt_node): New function.
6219 (bsi_remove): Add new argument. Remove EH information
6220 if requested.
6221 (verify_eh_throw_table_statements): New function.
6222 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
6223 updated.
6224 * tree-optimize.c (execute_free_cfg_annotations): Verify
6225 the EH throw statement table after removing annotations.
6226 * except.h (verify_eh_throw_table_statements): Prototype.
6227 * tree-flow.h (bsi_remove): Update prototype.
6228 * tree-vrp.c (remove_range_assertions): Add new argument to
6229 bsi_remove call.
6230 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
6231 * tree-complex.c (expand_complex_div_wide): Likewise.
6232 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
6233 * tree-tailcall.c (eliminate_tailcall): Likewise.
6234 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
6235 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
6236 * tree-nrv.c (tree_nrv): Likewise.
6237 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
6238 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
6239 (combine_blocks): Likewise.
6240 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
6241 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
6242 (cleanup_control_flow): Likewise.
6243 (remove_forwarder_block): Likewise.
6244 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
6245 * tree-sra.c (sra_replace): Likewise.
6246 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
6247 (forward_propagate_single_use_vars): Likewise.
6248 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
6249 * tree-inline.c (expand_call_inline): Likewise.
6250 * tree-vect-transform.c (vect_transform_loop): Likewise.
6251 * tree-outof-ssa.c (rewrite_trees): Likewise.
6252 * tree-cfg.c (make_goto_expr_edges): Likewise.
6253 (cleanup_dead_labels): Likewise.
6254 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
6255 (bsi_move_before, bsi_move_after): Likewise.
6256 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
6257 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
6259 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
6261 PR tree-opt/25528
6262 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
6263 and IMAGPART_EXPR.
6264 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
6265 on non gimple variables. Also add checks at the top for decls and
6266 mtags.
6267 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
6268 complex types.
6269 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
6270 and IMAGPART_EXPR for creating MUST_DEFs.
6271 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
6272 and NAME_MEMORY_TAG separately from the DECLs.
6274 2006-01-06 Richard Guenther <rguenther@suse.de>
6276 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
6277 annotation, if necessary.
6278 * tree-ssa-pre.c (create_expression_by_pieces): Remove
6279 redundant calls to update_stmt.
6280 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
6281 Likewise.
6283 2006-01-05 Richard Henderson <rth@redhat.com>
6285 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
6287 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6289 * c-typeck.c: Update copyright date.
6291 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6293 * c-typeck.c (build_c_cast): Always warn when casting
6294 from a pointer to an integer of different size, even if
6295 the node was constant.
6297 2006-01-05 Richard Guenther <rguenther@suse.de>
6299 PR tree-optimization/22555
6300 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
6301 if one structure field is an array.
6302 * tree-ssa-operands.c (get_expr_operands): Continue scanning
6303 operands even if we found a subvar, but ignore VOPs in this
6304 case.
6305 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
6306 for renaming.
6307 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
6309 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
6311 PR middle-end/24998
6312 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
6314 2006-01-05 Richard Guenther <rguenther@suse.de>
6315 Diego Novillo <dnovillo@redhat.com>
6317 * tree-pass.h (TODO_remove_unused_locals): Define.
6318 * gimple-low.c (expand_var_p, remove_useless_vars,
6319 pass_remove_useless_vars): Remove. Update all users.
6320 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
6321 (remove_unused_locals): New function.
6322 * tree-flow.h (remove_unused_locals): Declare.
6323 * passes.c (execute_todo): Call remove_unused_locals if
6324 TODO_remove_unused_locals is set.
6325 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
6326 * tree-ssa-dce.c (pass_dce): Likewise.
6327 * tree-outof-ssa.c (pass_del_ssa): Likewise.
6329 2006-01-05 Richard Guenther <rguenther@suse.de>
6331 * tree-flow.h (struct fieldoff): Decompose field to
6332 type, size and decl.
6333 * tree-ssa-alias.c (create_sft): Take type as parameter.
6334 (create_overlap_variables_for): Store type, size and decl
6335 in the fieldoff structure.
6336 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
6337 of struct fieldoff.
6338 (push_fields_onto_fieldstack): Likewise.
6339 (create_variable_info_for): Likewise. Use offset for the
6340 SFT name if the decl is not available.
6342 2006-01-04 Paul Brook <paul@codesourcery.com>
6344 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
6346 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
6348 * lambda-code.c (can_put_in_inner_loop): Relax
6349 restrictions.
6350 (can_put_after_inner_loop): New function.
6351 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
6352 (perfect_nestify): Change to make copies and modify uses.
6354 2006-01-04 Richard Henderson <rth@redhat.com>
6356 Merge from gomp branch:
6357 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
6358 via integer constant.
6359 (pragma_lex): Remove.
6360 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
6361 rather than parsing it.
6362 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
6363 handle_pragma_extern_prefix): Add %< %> quotes.
6364 (registered_pragmas): New.
6365 (c_register_pragma_1): New.
6366 (c_register_pragma): Use it.
6367 (c_register_pragma_with_expansion): Likewise.
6368 (c_invoke_pragma_handler): New.
6369 (init_pragma): Use cpp_register_deferred_pragma directly for
6370 pch_preprocess.
6371 * c-pragma.h (enum pragma_kind): New.
6372 (pragma_handler): New.
6373 (c_invoke_pragma_handler): Declare.
6374 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
6375 CPP_PRAGMA_EOL.
6376 * c-common.h (c_common_pch_pragma): Update decl.
6377 * Makefile.in (c-parser.o): Update dependencies.
6378 (GTFILES): Add c-pragma.h.
6379 * c-parser.c (struct c_token): Add pragma_kind.
6380 (struct c_parser): Add in_pragma.
6381 (c_lex_one_token): Always initialize keyword and pragma_kind.
6382 Extract data for CPP_PRAGMA.
6383 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
6384 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
6385 Don't allow CPP_PRAGMA_EOL if in_pragma.
6386 (c_parser_consume_pragma): New.
6387 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
6388 (c_parser_skip_to_end_of_parameter): Likewise.
6389 (c_parser_skip_to_end_of_block_or_statement): Likewise.
6390 (c_parser_skip_to_pragma_eol): New.
6391 (c_parser_external_declaration): Handle CPP_PRAGMA.
6392 (c_parser_compound_statement_nostart): Likewise.
6393 (c_parser_statement_after_labels): Likewise.
6394 (c_parser_pragma): New.
6395 (pragma_lex): Likewise.
6396 (c_parser_pragma_pch_preprocess): New.
6397 (c_parser_new): Merge into ...
6398 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
6400 2006-01-04 Jeff Law <law@redhat.com>
6402 PR ada/24994
6403 * tree-cfg.c (bsi_replace): Remove the original statement
6404 from the EH throw statement table.
6406 2006-01-04 Jakub Jelinek <jakub@redhat.com>
6408 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
6409 make the prototype extern "C" and add throw ().
6411 PR target/25554
6412 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
6413 and pos non-negative and pos + len <= 32.
6414 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
6415 drop pos + len < HOST_BITS_PER_WIDE_INT test.
6416 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
6418 PR c/25559
6419 * c-common.c (handle_vector_size_attribute): Reject zero vector size
6420 as well as sizes not multiple of component size.
6422 PR debug/25562
6423 * function.c (instantiate_expr): New function.
6424 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
6425 walk its DECL_VALUE_EXPR with instantiate_expr.
6427 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
6428 DW_OP_deref{,_size} if address isn't going to be added.
6430 2006-01-04 Ben Elliston <bje@au.ibm.com>
6432 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
6433 * config/fp-bit.c: Likewise.
6435 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
6437 * dominance.c: Add comment about why we use DFS numbering
6438 of dominance tree.
6440 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6441 Richard Henderson <rth@redhat.com>
6443 Merge from gomp-branch:
6444 * varasm.c (assemble_variable): Handle thread-local COMMON data.
6445 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
6447 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
6449 PR rtl-optimization/25578
6450 * combine.c (combine_simplify_rtx, force_to_mode): Don't
6451 pass a parameter to simplify_shift_const if changing ASHIFTRT
6452 to LSHIFTRT.
6454 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
6456 * builtins.c (get_builtin_sync_mem): New function.
6457 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
6458 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
6459 Call get_builtin_sync_mem to generate mem rtx.
6461 2006-01-03 Richard Guenther <rguenther@suse.de>
6463 PR c/25183
6464 * stmt.c (add_case_node): Make sure to clear overflow flags
6465 from ranges.
6467 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6469 Merge from gomp-branch.
6470 * config/sparc/sync.md: New file.
6471 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
6472 UNSPECV_LDSTUB): New constants.
6473 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
6474 * config/sparc/predicates.md (memory_reg_operand): New predicate.
6475 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
6476 prototype.
6478 2006-01-03 Roger Sayle <roger@eyesopen.com>
6480 * combine.c (reg_subword_p): New predicate to test whether the
6481 destination of a set refers to a subword/piece of a register.
6482 (try_combine): Generalize the code to merge the setting of a
6483 pseudo to a constant followed by a set of a subword of that
6484 register to a constant.
6486 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
6488 * basic-block.h (control_flow_graph): Change the type of
6489 x_label_to_block_map to VEC(basic_block,gc) *.
6490 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
6491 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
6493 * tree-ssa-propagate.c (cfg_blocks): Change the type to
6494 VEC(basic_block,heap) *.
6495 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
6496 ssa_prop_fini): Adjust the uses of cfg_blocks.
6498 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
6500 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
6501 COMPONENT_REFs.
6502 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
6503 hashing trees instead of a pointer hash.
6504 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
6505 compare for MEM_EXPR.
6507 PR rtl-optimization/25130
6508 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
6509 when comparing MEMs for GCSE
6511 2006-01-03 Ben Elliston <bje@au.ibm.com>
6513 * targhooks.h (default_decimal_float_supported_p): Declare.
6514 * targhooks.c (default_decimal_float_supported_p): Define.
6515 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
6516 `default_decimal_float_supported_p'.
6517 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
6519 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
6521 * combine.c (apply_distributive_law <SUBREG>): Check
6522 TRULY_NOOP_TRUNCATION.
6524 2006-01-02 Geoffrey Keating <geoffk@apple.com>
6526 * dwarf2out.c (have_switched_text_section): Delete.
6527 (have_multiple_function_sections): New.
6528 (have_location_lists): Make 'bool'.
6529 (add_AT_loc_list): Use 'true' not '1'.
6530 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
6531 (output_loc_list): Use have_multiple_function_sections.
6532 (output_ranges): Likewise.
6533 (dwarf2out_begin_function): Set have_multiple_function_sections if
6534 necessary.
6535 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
6536 Check function_section rather than DECL_SECTION_NAME.
6537 (dwarf2out_finish): Use have_multiple_function_sections.
6538 Don't clear have_location_lists.
6540 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
6541 Jan Hubicka <jh@suse.cz>
6543 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
6544 case of conditional jump jumping to the next instruction.
6545 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
6546 cases of conditional jump jumping to the next instruction.
6548 2006-01-02 Jan Hubicka <jh@suse.cz>
6550 * i386.c (*_cost): Add COSTS_N_INSNS.
6551 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
6553 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
6555 PR target/25259
6556 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
6558 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6560 * config/arm/arm.c (all_fpus): Fix comment typo.
6561 * config/darwin.c: Likewise.
6562 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
6563 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
6564 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
6566 2006-01-01 David Edelsohn <edelsohn@gnu.org>
6568 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
6569 (rs6000_split_compare_and_swapqhi): New.
6570 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
6571 (sync_compare_and_swapqhi_internal): New.
6572 * config/rs6000/rs6000-protos.h: Declare.