1 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
4 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
7 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9 * tree-vrp.c (remove_range_assertions): Do not update statements unnecessarily.
11 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
15 * gcse.c (rest_of_handle_gcse): Ditto.
16 * except.c (gate_handle_eh): Ditto.
17 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
18 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
20 2006-03-02 Eric Christopher <echristo@apple.com>
22 * config/i386/i386.c (machopic_output_stub): Add indirection to
25 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
29 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
31 Sun Niagara specific optimizations.
32 * config.gcc: Recognize niagara as target.
33 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
34 (TARGET_CPU_niagara): Define.
35 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
36 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
37 (CPP_CPU_SPEC): Handle -mcpu=niagara.
38 (ASM_CPU_SPEC): Likewise.
39 (PROCESSOR_NIAGARA): New enum entry.
40 (REGISTER_MOVE_COST): Handle Niagara.
41 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
42 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
43 (sparc_override_options): Recognize "niagara", set appropriate
44 default MASK_* values for it, and align functions to 32-bytes
45 by default just like ULTRASPARC/ULTRASPARC3.
46 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
47 (sparc64_initialize_trampoline): Likewise.
48 (sparc_use_sched_lookahead): Use zero for niagara.
49 (sparc_issue_rate): Use one for niagara.
50 * config/sparc/niagara.md: New file.
51 * config/sparc/sparc.md: Include it.
52 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
53 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
54 when default cpu is niagara.
55 (CPP_CPU_SPEC): Handle -mcpu=niagara.
56 (ASM_CPU_SPEC): Likewise.
57 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
58 when default cpu is niagara.
59 (ASM_CPU_SPEC): Handle -mcpu=niagara.
60 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
61 just like v9/ultrasparc/ultrasparc3.
62 * doc/invoke.texi: Add documentation for "niagara" and improve
63 existing documentation for ultrasparc variants.
65 2006-03-02 Diego Novillo <dnovillo@redhat.com>
67 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
69 2006-03-02 Richard Sandiford <richard@codesourcery.com>
71 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
72 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
73 and say that only one is needed.
74 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
75 * target.h (have_switchable_bss_sections): New hook.
76 * explow.c (use_anchored_address): Check that the symbol is in a block.
77 * varasm.c (tls_comm_section, comm_section, lcomm_section)
78 (bss_noswitch_section): New variables.
79 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
80 (get_noswitch_section): New function.
81 (get_block_for_section): Allow SECT to be null.
82 (unlikely_text_section_p): Use SECTION_STYLE.
83 (bss_initializer_p): New function.
84 (get_variable_section): Move earlier in file. Take a new argument,
85 prefer_noswitch_p. Move bss checks from assemble_variable to here.
86 Return one of the new *_sections in such cases.
87 (get_block_for_decl): New function, extracting some logic from
88 use_blocks_for_decl_p.
89 (change_symbol_section): Remove in favor of...
90 (change_symbol_block): ...this new function.
91 (use_blocks_for_decl_p): Remove checks now performed by
93 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
94 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
95 (emit_local, emit_bss, emit_common): ...these new functions.
96 Return true if the alignment was honored.
97 (emit_tls_common): New function.
98 (asm_emit_uninitialised): Delete.
99 (assemble_variable_noswitch): New function, split out from...
100 (assemble_variable): ...here. Don't make decisions about common
101 variables here. Globalize all public decls that go into non-common
102 sections. Check whether SYMBOL_REF_BLOCK is null.
103 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
104 (output_constant_pool): Likewise.
105 (init_varasm_once): Initialize the new section variables.
106 (have_global_bss_p): New function.
107 (categorize_decl_for_section): Use bss_initializer_p.
108 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
109 (place_block_symbol): Assert that the symbol must be in a block.
110 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
111 (TARGET_INITIALIZER): Include it.
112 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
113 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
114 (SECTION_MACH_DEP): Bump by two.
115 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
116 (unnamed_section): Mention SECTION_UNNAMED in comment.
117 (named_section): Likewise SECTION_NAMED.
118 (noswitch_section_callback): New type.
119 (noswitch_section): New structure.
120 (section): Add a noswitch_section alternative.
121 (SECTION_STYLE): New macro.
122 (tls_comm_section, comm_section, lcomm_section): Declare.
123 (bss_noswitch_section, have_global_bss_p): Declare.
124 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
125 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
127 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
128 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
131 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
133 * gcc/tree-vrp.c (execute_vrp): Return value.
134 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
135 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
136 * gcc/tree-complex.c (tree_lower_complex): Ditto.
137 (tree_lower_complex_O0): Ditto.
138 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
139 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
140 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
141 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
142 (execute_tail_calls): Ditto.
143 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
144 * gcc/tree.h (init_function_for_compilation): Ditto.
145 * gcc/ipa-cp.c (ipcp_driver): Ditto.
146 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
147 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
148 * gcc/final.c (compute_alignments): Ditto.
149 (rest_of_handle_final): Ditto.
150 (rest_of_handle_shorten_branches): Ditto.
151 (rest_of_clean_state): Ditto.
152 * gcc/omp-low.c (execute_expand_omp): Ditto.
153 (execute_lower_omp): Ditto.
154 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
155 * gcc/ipa-reference.c (static_execute): Ditto.
156 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
157 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
158 (rest_of_handle_machine_reorg): Ditto.
159 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
160 * gcc/flow.c (recompute_reg_usage): Ditto.
161 (rest_of_handle_remove_death_notes): Ditto.
162 (rest_of_handle_life): Ditto.
163 (rest_of_handle_flow2): Ditto.
164 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
165 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
166 (do_ssa_store_ccp): Ditto.
167 (execute_fold_all_builtins): Ditto.
168 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
169 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
170 * gcc/ipa-pure-const.c (static_execute): Ditto.
171 * gcc/cse.c (rest_of_handle_cse): Ditto.
172 (rest_of_handle_cse2): Ditto.
173 * gcc/web.c (rest_of_handle_web): Ditto.
174 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
175 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
176 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
177 * gcc/tree-nrv.c (tree_nrv): Ditto.
178 (execute_return_slot_opt): Ditto.
179 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
180 (create_structure_vars): Ditto.
181 * gcc/loop-init.c (rtl_loop_init): Ditto.
182 (rtl_loop_done): Ditto.
183 (rtl_move_loop_invariants): Ditto.
184 (rtl_unswitch): Ditto.
185 (rtl_unroll_and_peel_loops): Ditto.
187 * gcc/gimple-low.c (lower_function_body): Ditto.
188 (mark_used_blocks): Ditto.
189 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
190 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
191 (cgraph_early_inlining): Ditto.
192 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
193 * gcc/jump.c (cleanup_barriers): Ditto.
194 (purge_line_number_notes): Ditto.
195 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
196 (rest_of_handle_if_after_reload): Ditto.
197 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
198 (tree_ssa_loop_im): Ditto.
199 (tree_ssa_loop_unswitch): Ditto.
200 (tree_vectorize): Ditto.
201 (tree_linear_transform): Ditto.
202 (tree_ssa_loop_ivcanon): Ditto.
203 (tree_ssa_empty_loop): Ditto.
204 (tree_ssa_loop_bounds): Ditto.
205 (tree_complete_unroll): Ditto.
206 (tree_ssa_loop_prefetch): Ditto.
207 (tree_ssa_loop_ivopts): Ditto.
208 (tree_ssa_loop_done): Ditto.
209 * gcc/predict.c (tree_estimate_probability): Ditto.
210 * gcc/recog.c (split_all_insns_noflow): Ditto.
211 (rest_of_handle_peephole2): Ditto.
212 (rest_of_handle_split_all_insns): Ditto.
213 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
214 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
215 (rest_of_handle_stack_adjustments): Ditto.
216 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
217 * gcc/function.c (instantiate_virtual_regs): Ditto.
218 (init_function_for_compilation): Ditto.
219 (rest_of_handle_check_leaf_regs): Ditto.
220 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
221 (rest_of_handle_gcse): Ditto.
222 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
223 * gcc/alias.c (rest_of_handle_cfg): Ditto.
224 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
225 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
226 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
227 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
228 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
229 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
230 * gcc/except.c (set_nothrow_function_flags): Ditto.
231 (convert_to_eh_region_ranges): Ditto.
232 (rest_of_handle_eh): Ditto.
233 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
234 (remove_unnecessary_notes): Ditto.
235 * gcc/except.h (set_nothrow_function_flags): Ditto.
236 (convert_to_eh_region_ranges): Ditto.
237 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
238 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
239 * gcc/tree-ssa-pre.c (do_pre): Ditto.
240 (execute_fre): Ditto.
241 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
242 (rest_of_handle_jump2): Ditto.
243 * gcc/tree-sra.c (tree_sra): Ditto.
244 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
245 (execute_mudflap_function_decls): Ditto.
246 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
247 (do_store_copy_prop): Ditto.
248 * gcc/ipa-prop.h (ipcp_driver): Ditto.
249 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
250 * gcc/tree-ssa-forwprop.c
251 (tree_ssa_forward_propagate_single_use_vars): Ditto.
252 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
253 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
254 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
255 (execute_late_warn_uninitialized): Ditto.
256 * gcc/rtl.h (cleanup_barriers): Ditto.
257 (split_all_insns_noflow): Ditto.
258 (purge_line_number_notes): Ditto.
259 (unshare_all_rtl): Ditto.
260 (remove_unnecessary_notes): Ditto.
261 (recompute_reg_usage): Ditto.
262 (variable_tracking_main): Ditto.
263 * gcc/integrate.c (emit_initial_value_sets): Ditto.
264 * gcc/integrate.h (emit_initial_value_sets): Ditto.
265 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
266 (execute_free_cfg_annotations): Ditto.
267 (execute_fixup_cfg): Ditto.
268 (execute_cleanup_cfg_pre_ipa): Ditto.
269 (execute_cleanup_cfg_post_optimizing): Ditto.
270 (execute_init_datastructures): Ditto.
271 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
272 * gcc/combine.c (rest_of_handle_combine): Ditto.
273 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
274 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
275 (rest_of_handle_reorder_blocks): Ditto.
276 (rest_of_handle_partition_blocks): Ditto.
277 * gcc/var-tracking.c (variable_tracking_main): Ditto.
278 * gcc/tree-profile.c (tree_profiling): Ditto.
279 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
280 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
281 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
282 (rest_of_handle_sched2): Ditto.
283 * gcc/basic-block.h (free_bb_insn): Ditto.
284 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
285 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
286 (remove_useless_stmts): Ditto.
287 (split_critical_edges): Ditto.
288 (execute_warn_function_return): Ditto.
289 (execute_warn_function_noreturn): Ditto.
290 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
291 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
292 * gcc/passes.c (execute_one_pass): Run additional
293 todos returned by execute function.
294 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
297 2006-03-02 Richard Guenther <rguenther@suse.de>
299 * tree-ssa-alias.c (find_used_portions): Consider taking
300 the address as making the variable not write-only.
302 2006-03-02 Nick Clifton <nickc@redhat.com>
304 * config.gcc (default_use_cxa_atexit): Extend the description of
305 this configure variable. Set its default value to "yes" for
306 Linux, NetBSD and ELF targets on the assumption that they will
307 use C libraries with the __cxa_atexit function.
309 2006-03-02 Ben Elliston <bje@au.ibm.com>
311 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
312 parameter as unused to suppress a build warning.
314 2006-03-02 Ben Elliston <bje@au.ibm.com>
316 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
319 2006-03-01 Roger Sayle <roger@eyesopen.com>
322 * gthr-posix.h (__gthrw2): Define to take three parameters, the
323 declared name, the weak reference name, and the typeof name.
324 (__gthrw): Avoid expanding the declared name suffix.
325 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
327 2006-03-01 Jakub Jelinek <jakub@redhat.com>
329 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
331 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
332 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
333 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
334 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
335 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
336 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
337 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
338 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
339 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
340 DW_DS_leading_separate, DW_DS_trailing_separate): New.
341 (DW_END_default, DW_END_big, DW_END_little): New.
342 (DW_END_lo_user, DW_END_hi_user): Define.
343 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
344 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
345 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
348 2006-03-01 Diego Novillo <dnovillo@redhat.com>
350 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
352 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
354 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
356 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
358 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
361 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
364 2006-03-01 Roger Sayle <roger@eyesopen.com>
366 * builtins.c (fold_builtin_copysign): Delete unreachable code.
368 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
371 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
372 MACHO_DYNAMIC_NO_PIC_P.
373 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
375 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
378 * config/darwin-protos.h (darwin_asm_output_anchor):
380 * config/darwin-sections.def (cstring_section):
381 Add SECTION_MERGE to the flags.
382 (literal4_section): Likewise.
383 (literal8_section): Likewise.
384 (objc_selector_refs_section): Likewise.
385 (objc_cls_refs_section): Likewise.
386 * config/darwin.c (darwin_asm_output_anchor): New
388 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
390 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
392 Fix PR tree-optimization/26443
393 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
394 to todo and PROP_tmt_usage to properties_destroyed.
395 * tree-ssa-ccp.c (pass_ccp): Ditto.
396 (pass_store_ccp): Ditto.
397 * tree-ssa-dom.c (pass_dominator): Ditto.
399 2006-03-01 Diego Novillo <dnovillo@redhat.com>
401 * tree-ssa-operands.c: Cleanup whitespace.
402 (get_asm_expr_operands): Move before first invocation.
403 (get_indirect_ref_operands): Likewise.
404 (get_tmr_operands): Likewise.
405 (get_call_expr_operands): Likewise.
406 (append_def): Likewise.
407 (append_use): Likewise.
408 (append_v_may_def): Likewise.
409 (append_v_must_def): Likewise.
410 (add_call_clobber_ops): Likewise.
411 (add_call_read_ops): Likewise.
412 (add_stmt_operand): Likewise.
413 (add_virtual_operand): Likewise.
414 (build_ssa_operands): Likewise.
416 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
421 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
422 with a call expr to ...
423 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
425 2006-03-01 Diego Novillo <dnovillo@redhat.com>
427 * tree-vrp.c (extract_range_from_assert): Remove special
428 handling for types with super-types.
430 2006-03-01 Ben Elliston <bje@au.ibm.com>
432 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
433 and powerpc64-*-linux* configurations.
434 * config/t-dfprules: New file.
436 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
437 Compile dfp-bit.c from the source directory using -DWIDTH and
438 $DFP_CFLAGS to control the compilation of that file, rather than
439 generating width-specific versions in the build directory.
440 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
441 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
443 2006-02-28 Zack Weinberg <zackw@panix.com>
445 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
448 2006-02-28 Eric Christopher <echristo@apple.com>
450 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
451 Set up IN_LIBGCC definition of TARGET_64BIT.
452 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
454 2006-02-28 Roger Sayle <roger@eyesopen.com>
457 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
458 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
459 cases via the construction of "expr != 0".
461 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
463 * alias.c (alias_invariant, alias_invariant_size): Remove.
464 (record_base_value): Remove.
465 (memrefs_conflict_p): Don't look at alias_invariant.
466 (end_alias_analysis): Don't free it.
467 * alias.h (record_base_value): Remove prototype.
469 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
470 Adam Nemet <anemet@caviumnetworks.com>
472 * rtl.h (truncated_to_mode): Declare it.
473 (struct rtl_hooks): Add reg_truncated_to_mode hook.
474 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
475 (RTL_HOOKS_INITIALIZER): Include it.
476 * rtlhooks.c (reg_truncated_to_mode_general): New function.
477 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
478 reg_truncated_to_mode.
479 * rtlanal.c (truncated_to_mode): Define it.
480 * simplify-rtx.c (simplify_unary_operation_1): Use it.
482 2006-02-28 Jeff Law <law@redhat.com>
484 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
485 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
486 the range allowed by TYPE_PRECISION.
488 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
490 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
492 PR tree-optimization/26419
493 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
496 2006-02-27 Zack Weinberg <zackw@panix.com>
498 * doc/md.texi: Fix typo in previous change.
500 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
504 2006-02-27 Zack Weinberg <zackw@panix.com>
506 * rtl.def (define_constraint, define_register_constraint)
507 (define_memory_constraint, define_address_constraint): New MD forms.
508 * gensupport.c (process_rtx): Put define_constraint etc on the
510 * genpreds.c (process_define_predicate): Adjust comment. Validate
511 the name, and call validate_exp to validate the expression.
512 (mark_mode_tests, write_extract_subexp): Can assume correct input.
513 (write_predicate_expr): Likewise. NAME argument no longer necessary;
515 (validate_exp, needs_variable, struct constraint_data)
516 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
517 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
518 (const_dbl_constraints, constraint_max_namelen)
519 (have_register_constraints, have_memory_constraints)
520 (have_address_constraints, have_address_constraints)
521 (have_extra_constraints, have_const_int_constraints)
522 (have_const_dbl_constraints, mangle, add_constraint)
523 (process_define_constraint, process_define_register_constraint)
524 (write_enum_constraint_num, write_lookup_constraint)
525 (write_insn_constraint_len, write_regclass_for_constraint)
526 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
527 (write_insn_extra_memory_constraint)
528 (write_insn_extra_address_constraint)
529 (write_satisfies_constraint_fns): New.
530 (write_tm_preds_h): If we have new-style constraint definitions,
531 prototype the functions generated from them, and define the
532 old constraint interface (still used by generic code) in terms of
534 (write_insn_preds_c): If we have new-style constraint definitions,
535 generate all relevant functions from those definitions.
536 (main): Handle define_constraint etc.
537 * genoutput.c (struct constraint_data, indep_constraints)
538 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
539 (mdep_constraint_len): New data structures and functions, defined
540 #ifdef USE_MD_CONSTRAINTS.
541 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
542 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
543 use new logic to validate operand constraints against constraint
545 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
547 * defaults.h: If none of the old-style constraint macros are
548 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
549 old-style macros; and poison REG_CLASS_FROM_LETTER,
550 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
552 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
553 * doc/md.texi: Document new constraint-definition mechanism and the
554 C interface it provides. Remove references to old mechanism
555 elsewhere in the document.
556 (Machine Constraints): Use pathnames relative to gcc directory,
557 i.e. config/ARCH/FILE. Change i386 section to refer to
558 config/i386/predicates.md; update that section to match docstrings.
559 * doc/tm.texi: Move all documentation of the old constraint-
560 definition macros to their own section, clearly mark as obsolete.
562 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
563 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
565 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
566 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
567 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
569 (splits and peepholes): Use satisfies_constraint_*.
570 * config/i386/i386.c (memory_address_length)
571 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
573 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
575 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
576 scalar operation to be put back into the loop.
578 2006-02-27 Jakub Jelinek <jakub@redhat.com>
581 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
582 (extract_cie_info): Handle S flag in augmentation string.
583 (execute_cfa_program): If context->signal_frame, execute also
584 fs->pc == context->ra instructions.
585 (uw_frame_state_for): If context->signal_frame, don't subtract one
586 from context->ra to find FDE.
587 (uw_update_context_1): Set context->signal_frame to
589 (_Unwind_GetIPInfo): New function.
590 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
591 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
593 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
594 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
595 * unwind-compat.c (_Unwind_GetIPInfo): New function.
596 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
597 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
598 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
599 * config/i386/linux-unwind.h (x86_fallback_frame_state,
600 x86_64_fallback_frame_state): Set fs->signal_frame.
601 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
602 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
603 (frob_update_context): Likewise. Workaround missing S flag in
604 Linux 2.6.12 - 2.6.16 kernel vDSOs.
605 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
606 Remove the psw_addr + 1 hack.
608 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
610 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
611 with aggregates here.
612 (find_func_aliases): Remove code for &<aggregate> from here.
614 2006-02-26 Roger Sayle <roger@eyesopen.com>
616 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
617 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
618 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
621 2006-02-26 Roger Sayle <roger@eyesopen.com>
624 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
626 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
628 * opts.c (decode_options): Do not handle flag_strength_reduce.
629 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
630 and OPT_fstrength_reduce.
631 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
632 flag_prefetch_loop_arrays for being nonzero.
633 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
635 (fprefetch-loop-arrays-rtl): Removed.
636 (flag_prefetch_loop_arrays): Do not specify the value.
638 * doc/passes.texi: Update documentation of loop optimizer
640 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
641 -frerun-loop-opt): Remove.
643 2006-02-26 Richard Guenther <rguenther@suse.de>
645 PR tree-optimization/26421
646 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
647 in function calls that are ADDR_EXPRs as using the whole structure.
649 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
651 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
652 * tree-pass.h (pass_loop_optimize): Remove.
653 * passes.c (pass_loop_optimize): Never run it.
654 * toplev.c (backend_init): Don't call init_loop.
655 * opts.c (flag_loop_optimize_set): Remove.
656 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
657 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
658 the old RTL loop optimizer when profiling enabled.
659 * predict.c (tree_estimate_probability): Always strip builtin_expect.
660 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
661 pre-headers for the sake of the old RTL loop optimizer.
662 * Makefile.in: Remove all references to loop.o.
664 * doc/invoke.texi: Remove all references to -floop-optimize
665 and -frerun-loop-opt.
667 2006-02-26 Zack Weinberg <zackw@panix.com>
669 * doc/md.texi (Machine Constraints): Refer to all files with paths
670 relative to gcc directory (i.e. config/CPU/file). Add missing
671 @table @code ... @end table to M32C subsection.
673 2006-02-26 Roger Sayle <roger@eyesopen.com>
675 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
677 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
679 2006-02-26 Roger Sayle <roger@eyesopen.com>
680 James A. Morrison <phython@gcc.gnu.org>
683 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
684 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
685 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
686 signedness of the shift operation.
688 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
690 PR tree-optimization/26359
691 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
693 2006-02-25 Roger Sayle <roger@eyesopen.com>
695 * simplify-rtx.c (simplify_relational_operation_1): Simplify
696 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
697 as X == 0, and some symmetry related transformations.
698 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
700 2006-02-25 Roger Sayle <roger@eyesopen.com>
703 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
704 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
705 symmetry related transformations. Fold (X^C1) == C2 as
708 2006-02-25 Juergen Weigert <jw@suse.de>
709 Richard Guenther <rguenther@suse.de>
711 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
713 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
715 * combine.c (gen_lowpart_or_truncate): Call
716 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
718 2006-02-24 Diego Novillo <dnovillo@redhat.com>
720 * doc/invoke.texi: Move -fopenmp description to "Options for
722 Remove reference to -lgomp.
724 2006-02-24 David Edelsohn <edelsohn@gnu.org>
726 * doc/install.texi: Require GNU tar version 1.14.
728 2006-02-24 Geoffrey Keating <geoffk@apple.com>
730 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
731 * doc/invoke.texi (C++ Dialect Options): Document
732 -fno-use-cxa-get-exception-ptr.
733 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
734 * configure: Regenerate.
735 * c.opt (fuse-cxa-get-exception-ptr): New.
736 * c-opts.c (c_common_handle_option): Handle
737 OPT_fuse_cxa_get_exception_ptr.
738 * c-common.c (flag_use_cxa_atexit): Update documentation.
739 (flag_use_cxa_get_exception_ptr): New.
740 * c-common.h (flag_use_cxa_get_exception_ptr): New.
741 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
743 (C_COMMON_OVERRIDE_OPTIONS): New.
745 2006-02-24 Roger Sayle <roger@eyesopen.com>
748 * combine.c (try_combine): Explicitly check whether GET_CODE is
749 a SET or a CLOBBER, instead on checking that it isn't a USE.
751 2006-02-24 Roger Sayle <roger@eyesopen.com>
753 * fold-const.c (fold_comparison): New subroutine of fold_binary
754 containing transformations common to both the equality and
755 ordering relational operators, factored out of fold_binary.
756 (fold_binary): Separate out the equality operators (EQ_EXPR
757 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
758 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
759 transformations common to both.
760 (fold_div_compare): Fix latent bugs in the previously unreachable
761 LT_EXPR and GE_EXPR cases.
763 2006-02-24 David Edelsohn <edelsohn@gnu.org>
765 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
766 decl libname for clog to __clog on AIX.
768 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
770 2006-02-24 Alan Modra <amodra@bigpond.net.au>
773 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
774 output traceback table for thunks. Localise rs6000_stack_info call.
776 2006-02-23 Roger Sayle <roger@eyesopen.com>
777 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
779 * gthr-posix.h (__gthrw): Fix typo in comment.
781 2006-02-23 Geoffrey Keating <geoffk@apple.com>
783 * doc/cpp.texi (Character sets): Document that we do support
784 input files to be in any character set.
786 2006-02-23 Jeff Law <law@redhat.com>
788 * tree.h (PHI_ARG_NONZERO): Remove.
789 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
790 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
791 node to the new node.
793 PR tree-optimization/26425
794 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
795 min/max, then assume its varying.
797 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
799 PR rtl-optimization/26316
800 * rtlanal.c (enum may_trap_p_flags): New.
801 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
802 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
803 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
804 (may_trap_after_code_motion_p): New function.
805 * loop-invariant.c (find_identical_invariants): Fix dump formating.
806 (find_invariant_insn): Use may_trap_after_code_motion_p.
807 * rtl.h (may_trap_after_code_motion_p): Declare.
809 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
811 * emit-rtl.c (immed_double_const): Cleanup.
813 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
815 Fix PR tree-optimization/26376
816 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
819 2006-02-23 Jakub Jelinek <jakub@redhat.com>
822 * gimplify.c (omp_add_variable): Guard variable size decl test with
823 DECL_SIZE (decl) check.
825 2006-02-23 Richard Guenther <rguenther@suse.de>
828 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
829 like aggregate types.
831 2006-02-23 Jakub Jelinek <jakub@redhat.com>
833 * configure.ac: Add --with{,out}-long-double-128 configure option.
834 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
835 * configure: Rebuilt.
836 * config.in: Rebuilt.
837 * doc/install.texi (Options specification): Document
838 --with-long-double-128.
840 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
841 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
842 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
843 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
845 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
847 * config/s390/s390.c (override_options): Handle
848 TARGET_DEFAULT_LONG_DOUBLE_128.
850 * config/alpha/alpha.c (override_options): Handle
851 TARGET_DEFAULT_LONG_DOUBLE_128.
853 * config/sparc/sparc.c (sparc_override_options): Handle
854 TARGET_DEFAULT_LONG_DOUBLE_128.
856 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
858 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
859 (real-install-headers-tar, real-install-headers-cpio)
860 (real-install-headers-cp): New targets.
862 2006-02-22 Richard Sandiford <richard@codesourcery.com>
864 * tree.h (variable_section): Delete.
865 * varasm.c (variable_section): Delete.
867 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
869 * install.texi: Add notes on install.texi2html.
870 (Building in parallel): Do not use footnotes.
872 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
875 * doc/install.texi (Configuration): Document --disable-libgomp.
877 2006-02-21 Geoffrey Keating <geoffk@apple.com>
879 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
881 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
883 * config/i386/sse.md (vec_extractv2df_1_sse): New.
884 (vec_extractv2df_0_sse): New.
886 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
888 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
889 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
890 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
891 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
892 to the result of the expression.
894 (frame_pointer_cfa_offset): Rename to...
895 (frame_pointer_fb_offset): ... this. Adjust all uses.
896 (convert_cfa_to_loc_list): Rename to...
897 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
898 Pass it on to build_cfa_loc.
899 (compute_frame_pointer_to_cfa_displacement): Rename to...
900 (compute_frame_pointer_to_fb_displacement): ... this. New
901 offset parameter. Use it in computation.
902 (gen_subprogram_die): Compute cfa_fb_offset with the new
903 macro, and use it to compute the fb loc list and the
906 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
908 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
909 replaced with register_operand.
910 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
911 non-DREG is expensive.
912 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
913 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
916 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
918 * doc/install.texi2html: Use set -e.
920 2006-02-21 Richard Sandiford <richard@codesourcery.com>
922 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
923 (ASM_OUTPUT_SHARED_LOCAL): Delete.
924 * doc/invoke.texi (-fshared-data): Delete.
925 * common.opt (fshared-data): Delete.
926 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
927 (assemble_static_space): Remove #if 0 code.
928 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
929 (ASM_OUTPUT_SHARED_LOCAL): Poison.
930 * config/cris/cris.h: Remove FIXME.
932 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
934 * doc/sourcebuild.texi (Front End Directory): No more double-colon
937 2006-02-21 Jakub Jelinek <jakub@redhat.com>
940 * combine.c (simplify_shift_const_1): Disable nested shifts
941 optimization for vector shifts.
943 2006-02-20 Roger Sayle <roger@eyesopen.com>
945 PR tree-optimization/26361
946 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
947 of unsigned integer types.
949 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
951 * tree-chrec.c (eq_evolutions_p): New.
952 * tree-chrec.h (eq_evolutions_p): Declared.
953 * tree-data-ref.c: Fix formatting.
954 (datadep_stats, dependence_stats): New.
956 (print_direction_vector): New.
957 (dump_data_dependence_relation): Use print_direction_vector.
958 (object_analysis, create_data_ref): Handle COMPONENT_REF.
959 (compute_subscript_distance): Static.
960 (initialize_data_dependence_relation): Static. Get the number
961 of loops surrounding the references from the callers, and initialize
962 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
963 base_object_differ_p analyzers.
964 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
965 compute_overlap_steps_for_affine_1_2,
966 analyze_subscript_affine_affine): Count the classified dependences.
967 Print a message when a test failed.
968 (can_use_analyze_subscript_affine_affine): New.
969 (analyze_siv_subscript): Compute the data dependences on symbolic
970 scevs that verify can_use_analyze_subscript_affine_affine.
971 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
972 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
973 Handle symbolic scevs.
974 (analyze_overlapping_iterations): Let symbolic affine scevs to be
976 (subscript_dependence_tester): Moved...
977 (build_classic_dist_vector, build_classic_dir_vector): Don't use
978 lambda_vector_clear on newly allocated vectors. Get nb_loops from
979 DDR_SIZE_VECT instead of getting it in parameter.
980 (subscript_dependence_tester): ... here. Take as a parameter
981 loop_nest_depth. Call build_classic_dist_vector and
982 build_classic_dir_vector.
983 (compute_affine_dependence): Update subscript_dependence_tester
984 parameters. Update datadep_stats counters. Call
985 compute_subscript_distance.
986 (compute_self_dependence): Save the dist and dir vectors. Call
987 compute_subscript_distance.
988 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
989 (compute_all_dependences): Reorder parameters as they were before
990 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
991 compute_subscript_distance. Update the use of
992 compute_affine_dependence and initialize_data_dependence_relation.
993 (find_data_references_in_loop): Handle COMPONENT_REF.
994 (compute_data_dependences_for_loop): Initialize dependence_stats.
995 Don't call build_classic_dist_vector and build_classic_dir_vector.
996 Update the parameters of initialize_data_dependence_relation and
997 compute_all_dependences. Print the statistics from datadep_stats.
998 (analyze_all_data_dependences): Static. Not used until the pass for
999 checking the data dependences is contributed.
1000 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
1001 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
1002 (initialize_data_dependence_relation, compute_affine_dependence,
1003 analyze_all_data_dependences, compute_subscript_distance): Removed.
1004 (print_direction_vector): New.
1005 * lambda.h (gcd): ... here.
1006 (lambda_vector_gcd): Moved here from gcd_vector.
1007 * lambda-code.c (gcd, gcd_vector): Removed.
1008 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
1009 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
1011 2006-02-20 Diego Novillo <dnovillo@redhat.com>
1013 * ipa-type-escape.c: Tidy some comments and white space.
1014 * tree-ssa-operands.c: Likewise.
1016 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
1019 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
1020 (dump_decl_name): Do not walk the decl tree chains.
1021 * tree-pass.h (TDF_CHAIN): Remove.
1023 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1025 * Makefile.in (C): Remove
1027 (.PHONY): Remove C and PROTO
1029 2006-02-20 Roger Sayle <roger@eyesopen.com>
1032 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
1033 deprecated CHAR_TYPE tree code.
1035 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1037 * configure.ac (target_list): Add install-info, dvi, html.
1038 * configure: Regenerate.
1040 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
1041 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
1042 treelang/Make-lang.in: Do not use double-colon rules.
1044 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
1046 * tree.h (struct tree_memory_tag): Add is_used_alone member.
1047 (TMT_USED_ALONE): New macro.
1048 * tree-pass.h (PROP_tmt_usage): New property.
1049 (TODO_update_tmt_usage): New todo.
1050 * tree-ssa-alias.c (updating_used_alone): New variable.
1051 (recalculate_used_alone): New function.
1052 (compute_may_aliases): Set updating_used_alone, call
1053 recalculate_used_alone.
1054 * tree-sra.c (pass_sra): Note that this pass destroys
1055 PROP_tmt_usage, and add TODO_update_tmt_usage.
1056 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1057 * tree-flow.h (updating_used_alone): Prototype.
1058 (recalculate_used_alone): Ditto.
1059 * passes.c (execute_todo): Add code to set updating_used_alone,
1060 and call recalculate.
1061 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
1062 for clobber if used alone, and add assert to verify used_alone
1065 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
1067 * config/s390/s390.c (legitimize_pic_address): Assertions checking
1068 for non tls symbols added.
1069 (legitimize_address): Do nothing for PLUS expressions if one of the
1070 addends is a tls symbol reference.
1072 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1076 * Makefile.in (LDFLAGS): Define from autoconf substitution.
1078 * Makefile.in (BOOTSTRAPPING): New.
1079 (quickstrap): New definition if BOOTSTRAPPING=yes.
1081 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
1082 * configure.ac: Substitute all_selected_languages with the languages
1083 that were configured. For all the other variables except
1084 lang_specs_files, include all the languages in the tree.
1085 * configure: Regenerate.
1087 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
1088 if there is one. Run the commands to run fixincludes in the same
1091 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
1092 * doc/install.texi: Document exact conventions for searching target tools.
1093 Document --with-build-time-tools. Document toplevel bootstrap. Document
1094 something more about building an Ada cross-compiler. Don't list GNU Make
1095 requirements which affect all platforms.
1097 2006-02-19 Roger Sayle <roger@eyesopen.com>
1100 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
1101 only equivalent if the have both the same mode and precision.
1103 2006-02-20 Ben Elliston <bje@au.ibm.com>
1105 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
1107 2006-02-19 Roger Sayle <roger@eyesopen.com>
1108 Steven Bosscher <stevenb.gcc@gmail.com>
1110 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
1111 constant pool references to identify stack mode constants.
1112 * rtlanal.c (constant_pool_constant_p): New predicate to check
1113 whether operand is a floating point constant in the pool.
1114 * rtl.h (constant_pool_constant_p): Prototype here.
1115 * loop.c (scan_loop): Avoid hoisting constants from the constant
1116 pool on STACK_REGS targets.
1117 (load_mems): Likewise.
1118 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
1119 loads into x87 registers expensive in terms of register pressure.
1121 2006-02-19 Roger Sayle <roger@eyesopen.com>
1123 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
1124 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
1126 2006-02-19 David Edelsohn <edelsohn@gnu.org>
1128 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
1129 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
1131 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
1133 * doc/invoke.texi: Document -fipa-pta.
1134 * common.opt: Add ipa-pta option.
1135 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
1136 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
1137 (do_ds_constraint): Ditto.
1138 (get_constraint_for): Only add to referenced_vars if
1139 referenced_vars exists.
1140 (insert_into_field_list): Rewrite to do this unsorted.
1141 (insert_into_field_list_sorted): Rename old insert_into_field_list
1143 (create_function_info_for): Use insert_into_field_list_sorted.
1144 (create_variable_info_for): Rewrite so it uses unsorted version,
1145 since the field list is sorted.
1146 (intra_create_variable_infos): Only add to referenced_vars if
1147 referenced_vars exists.
1148 (ipa_pta_execute): Init heapvars, and delete when done.
1149 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
1151 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1153 * doc/install.texi: Add missing `@samp'.
1155 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1157 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
1160 2006-02-18 Mark Wielaard <mark@klomp.org>
1162 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
1163 who added new 4.1 features, bug fixes and integration support.
1165 2006-02-18 David Edelsohn <edelsohn@gnu.org>
1168 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
1171 2006-02-18 Richard Sandiford <richard@codesourcery.com>
1173 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
1174 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
1175 (copy_insn_1): Likewise. Don't copy each field individually.
1177 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
1179 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
1180 * rtl.c (rtx_size): Rename variable to...
1181 (rtx_code_size): ...this.
1182 (rtx_size): New function.
1183 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
1184 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
1186 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
1187 * rtl.h (rtx_code_size): New variable.
1188 (rtx_size): Change from a variable to a function.
1189 (RTX_SIZE): Rename to...
1190 (RTX_CODE_SIZE): ...this.
1193 PR tree-optimization/17106
1194 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
1195 (Anchored Addresses): New section.
1196 * doc/invoke.texi (-fsection-anchors): Document.
1197 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
1198 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
1199 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
1200 * hooks.c (hook_bool_mode_rtx_false): New function.
1201 * hooks.h (hook_bool_mode_rtx_false): Declare.
1202 * gengtype.c (create_optional_field): New function.
1203 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
1204 SYMBOL_REF_IN_BLOCK_P is true.
1205 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
1206 (min_anchor_offset, max_anchor_offset): Likewise.
1207 (use_anchors_for_symbol_p): New hook.
1208 * toplev.c (compile_file): Call output_object_blocks.
1209 (target_supports_section_anchors_p): New function.
1210 (process_options): Check that -fsection-anchors is only used on
1211 targets that support it and when -funit-at-a-time is in effect.
1212 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
1213 if the decl doesn't have one.
1214 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
1215 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
1216 of force_const_mem through use_anchored_address.
1217 (expand_expr_constant): New function.
1218 (expand_expr_addr_expr_1): Call it. Use the same modifier when
1219 calling expand_expr for INDIRECT_REF.
1220 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
1221 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
1222 * expr.h (use_anchored_address): Declare.
1223 * loop-unroll.c: Don't declare rtx vectors here.
1224 * explow.c: Include output.h.
1225 (validize_mem): Call use_anchored_address.
1226 (use_anchored_address): New function.
1227 * common.opt (-fsection-anchors): New switch.
1228 * varasm.c (object_block_htab, anchor_labelno): New variables.
1229 (hash_section, object_block_entry_eq, object_block_entry_hash)
1230 (use_object_blocks_p, get_block_for_section, create_block_symbol)
1231 (use_blocks_for_decl_p, change_symbol_section): New functions.
1232 (get_variable_section): New function, split out from assemble_variable.
1233 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
1234 use_blocks_for_decl_p say so. Use change_symbol_section if the
1235 symbol has already been created.
1236 (assemble_variable_contents): New function, split out from...
1237 (assemble_variable): ...here. Don't output any code for
1238 block symbols; just pass them to place_block_symbol.
1239 Use get_variable_section and assemble_variable_contents.
1240 (get_constant_alignment, get_constant_section, get_constant_size): New
1241 functions, split from output_constant_def_contents.
1242 (build_constant_desc): Create a block symbol if use_object_blocks_p
1243 says so. Or into SYMBOL_REF_FLAGS.
1244 (assemble_constant_contents): New function, split from...
1245 (output_constant_def_contents): ...here. Don't output any code
1246 for block symbols; just pass them to place_section_symbol.
1247 Use get_constant_section and get_constant_alignment.
1248 (force_const_mem): Create a block symbol if use_object_blocks_p and
1249 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
1250 (output_constant_pool_1): Add an explicit alignment argument.
1251 Don't switch sections here.
1252 (output_constant_pool): Adjust call to output_constant_pool_1.
1253 Switch sections here instead. Don't output anything for block symbols;
1254 just pass them to place_block_symbol.
1255 (init_varasm_once): Initialize object_block_htab.
1256 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
1257 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
1258 (place_block_symbol, get_section_anchor, output_object_block)
1259 (output_object_block_htab, output_object_blocks): New functions.
1260 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
1261 (TARGET_ASM_OUT): Include it.
1262 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
1263 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
1264 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
1265 (TARGET_INITIALIZER): Include them.
1266 * rtl.c (rtl_check_failed_block_symbol): New function.
1267 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
1268 (block_symbol, object_block): New structures.
1269 (rtx_def): Add a block_symbol field to the union.
1270 (BLOCK_SYMBOL_CHECK): New macro.
1271 (rtl_check_failed_block_symbol): Declare.
1272 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
1273 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
1274 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
1275 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
1276 * output.h (output_section_symbols): Declare.
1277 (object_block): Name structure.
1278 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
1279 (default_use_anchors_for_symbol_p): Declare.
1280 * Makefile.in (RTL_BASE_H): Add vec.h.
1281 (explow.o): Depend on output.h.
1282 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
1283 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1284 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1285 (rs6000_use_blocks_for_constant_p): New function.
1287 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1289 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
1291 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1294 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
1297 2006-02-18 Diego Novillo <dnovillo@redhat.com>
1299 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
1303 2006-02-18 Jakub Jelinek <jakub@redhat.com>
1306 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
1307 instead of DECL_REGISTER.
1309 2006-02-18 Olivier Hainque <hainque@adacore.com>
1312 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
1314 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
1317 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
1318 * opth-gen.awk: Handle Var and InverseMask together.
1319 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
1320 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
1321 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
1322 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
1324 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1325 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1326 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
1327 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1328 LINUX_DYNAMIC_LINKER): Define.
1329 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
1330 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
1332 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1333 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
1334 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1335 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1336 (TARGET_C99_FUNCTIONS): Don't define.
1337 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
1338 GLIBC_DYNAMIC_LINKER.
1339 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
1340 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
1341 GLIBC_DYNAMIC_LINKER64): Define.
1342 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1343 LINUX_DYNAMIC_LINKER64.
1344 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1345 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1346 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
1347 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1348 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1349 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1350 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
1351 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
1352 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
1353 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
1354 and LINUX_DYNAMIC_LINKER32.
1355 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1356 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1357 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
1358 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1359 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
1361 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
1362 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
1363 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1364 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1365 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1366 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
1367 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
1368 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
1369 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1370 LINUX_DYNAMIC_LINKER): Define.
1371 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
1372 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
1373 GLIBC_DYNAMIC_LINKER64): Define.
1374 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1375 LINUX_DYNAMIC_LINKER64.
1376 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1377 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1378 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
1379 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1380 LINUX_DYNAMIC_LINKER): Define.
1381 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1382 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1383 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
1384 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
1385 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
1386 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1387 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
1388 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
1389 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1390 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1391 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1392 * doc/invoke.texi (-muclibc): Remove caveat about supported
1395 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1397 * doc/cpp.texi (__TIMESTAMP__): Document.
1399 2006-02-17 Roger Sayle <roger@eyesopen.com>
1402 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
1403 C is one less than the width of X (and related transformations).
1404 * simplify-rtx.c (simplify_unary_operation_1): Transform
1405 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
1406 depending on STORE_FLAG_VALUE, were C is one less then the
1409 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
1411 Fix PR tree-optimization/26341
1412 * tree-ssa-operands.c (add_virtual_operand): Remove assert
1413 about NAME_MEMORY_TAG's.
1415 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1418 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
1419 with hardware float support, and software float support. Add fcpy
1420 alternative to hardware patterns. Add alternatives to copy between
1421 general and floating-point registers to the 32-bit pattern.
1422 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
1423 secondary reload to load a QI or HI mode constant into a floating
1425 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
1426 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
1428 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
1431 * config/rs6000/darwin.md (load_macho_picbase_si): Add
1433 (load_macho_picbase_di): Likewise.
1435 2006-02-16 Jeff Law <law@redhat.com>
1437 * tree-vrp.c (set_value_range_to_nonnegative): New function.
1438 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
1439 (ssa_name_nonzero_p): Likewise.
1440 (get_value_range): Return NULL if VRP is not running.
1441 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
1442 VRP routines do not discover a range.
1443 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
1444 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
1445 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
1446 (tree_expr_nonnegative_p): Similarly.
1447 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
1448 (restore_nonzero_vars_to_original_value): Remove.
1449 (unsafe_associative_fp_binop): Remove.
1450 (tree_ssa_dominator_optimize): Remove initialization and
1451 finalization of nonzero_vars and nonzero_vars_stack.
1452 (dom_opt_initialize_block): No longer push marker on
1454 (dom_opt_finalize_block): No longer call
1455 restore_nonzero_vars_to_original_value.
1456 (record_equivalences_from_phis): No longer look for
1457 nonzero PHI arguments.
1458 (cprop_into_successor_phis): No longer propagate nonzero
1459 property into PHI arguments. Lose unused argument. Caller
1461 (record_equivalences_from_stmt): No longer record nonzero
1462 values for SSA_NAMEs.
1463 (lookup_avail_expr): No longer use nonzero_vars.
1465 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
1466 for sizetype when sizetype is unsigned.
1468 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
1470 PR rtl-optimization/25603
1471 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
1472 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
1473 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
1474 with new meaning of SETS.
1476 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
1481 * config/linux.opt: New file.
1482 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
1483 LINUX_DYNAMIC_LINKER): Define.
1484 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
1485 * config.gcc (*-*-linux*): Define extra_options.
1486 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
1487 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
1488 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
1489 GLIBC_DYNAMIC_LINKER.
1490 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
1491 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1492 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1493 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1494 * doc/invoke.texi (GNU/Linux Options): New section.
1496 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1498 * config/sparc/sparc.md (setjmp): Rewrite.
1499 (setjmp_32): Delete.
1500 (setjmp_64): Likewise.
1502 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
1504 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
1507 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1509 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
1512 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1514 PR rtl-optimization/26296
1515 * Makefile.in (loop-invariant.c): Add except.h dependency.
1516 * loop-invariant.c: Include except.h.
1517 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
1519 2005-02-16 Paul Brook <paul@codesourcery.com>
1521 * reload1.c (emit_reload_insns): Invalidate dead input registers used
1524 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
1526 PR rtl-optimization/25636
1527 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
1528 when deciding whether an insn is an initializing insn.
1530 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
1532 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
1533 (tree_code_size): Ditto.
1534 * tree.h (struct tree_memory_tag): Remove parent_var.
1535 (struct tree_struct_field_tag): New.
1538 (union tree_node): Add sft member.
1539 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
1541 (create_sft): Add size and offset argument, set SFT_OFFSET and
1543 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
1544 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
1545 * tree-flow-inline.h (get_subvar_at): Update for
1546 SFT_OFFSET/SFT_SIZE.
1547 (var_can_have_subvars): Ditto.
1548 (overlap_subvar): Ditto.
1549 * print-tree.c (print_node): Print out interesting things for
1551 * tree-flow.h (struct subvar): Remove offset and size members.
1552 * tree-ssa-operands.c (get_expr_operands): Update for
1553 get_indirect_ref_operands changes.
1554 (get_indirect_ref_operands): Call add_virtual_operand instead of
1555 add_stmt_operand. Only recurse on base var if requested.
1556 (access_can_touch_variable): New function.
1557 (add_stmt_operand): Split virtual operand handling into ...
1558 (add_virtual_operand): Here. Add offset, size, and for_clobber
1559 arguments. Prune alias sets.
1560 (add_call_clobber_ops): Call add_virtual_operand.
1562 2006-02-15 Jakub Jelinek <jakub@redhat.com>
1565 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
1567 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
1568 than TREE_CODE as index into omp_clause_num_ops array.
1570 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
1572 PR rtl-optimization/26184
1573 * modulo-sched.c (generate_reg_moves): Free bitmap vector
1575 * modulo-sched.c (sms_schedule): Free g_arr pointer.
1576 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
1577 must_precede, must_follow and tobe_scheduled.
1580 * opts.c (common_handle_option): Free new_option pointer.
1581 * df-core.c (df_analyze): Free postorder pointer.
1583 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1585 * Makefile.in: Fix the examples about the use of stamps
1587 2006-02-15 Michael Matz <matz@suse.de>
1591 * stor-layout.c (layout_decl): Zero-width bitfields aren't
1592 influenced by maximum_field_alignment or DECL_PACKED.
1593 (update_alignment_for_field): Ditto.
1594 (place_field): Ditto.
1595 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
1598 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
1600 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
1601 (debug_flow_info): Pass it.
1602 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
1603 * bb-reorder.c (reorder_basic_blocks): Likewise.
1604 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
1605 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
1606 * flow.c (life_analysis, recompute_reg_usage): Likewise.
1607 * gcse.c (gcse_main, bypass_jumps): Likewise.
1608 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
1609 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
1610 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
1611 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
1612 * rtl.h (dump_flow_info): Adjust prototype.
1613 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
1614 * var-tracking.c (variable_tracking_main): Likewise.
1615 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
1616 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
1619 2006-02-15 Marcin Dalecki <martin@dalecki.de>
1621 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
1624 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
1626 PR tree-optimization/26209
1627 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
1628 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
1630 * tree-cfg.c (replace_uses_by): Do not alter cfg.
1632 2006-02-14 Roger Sayle <roger@eyesopen.com>
1635 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
1636 (X,Y) and the corresponding symmetry related transformations.
1637 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
1638 (X,Y) and its symmetry related transformations.
1640 2006-02-14 Roger Sayle <roger@eyesopen.com>
1642 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
1645 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
1647 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
1649 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1652 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
1653 support COMDAT group.
1654 * configure: Regenerate.
1656 2006-02-14 Roger Sayle <roger@eyesopen.com>
1661 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
1663 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
1665 Fix PR tree-optimization/26260
1667 * doc/invoke.texi (max-fields-for-field-sensitive): Document
1669 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
1670 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
1671 * tree-ssa-structalias.c (create_variable_info_for): Use
1672 MAX_FIELDS_FOR_FIELD_SENSITIVE.
1674 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
1676 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
1678 * tree-ssa-loop-niter.c (number_of_iterations_ne,
1679 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
1680 of the ending condition.
1681 * tree-ssa-loop-manip.c: Include params.h.
1682 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
1683 tree_unroll_loop): New functions.
1684 * tree-pass.h (pass_loop_prefetch): Declare.
1685 * loop.c (rest_of_handle_loop_optimize): Test for
1686 -fprefetch-loop-arrays-rtl.
1687 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
1688 * timevar.def (TV_TREE_PREFETCH): New timevar.
1689 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
1690 pass_loop_prefetch): New.
1691 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
1692 (cleanup_tree_cfg_loop): Call scev_reset.
1693 * common.opt (fprefetch-loop-arrays-rtl): Add.
1694 * tree-ssa-loop-prefetch.c: New file.
1695 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
1696 (new_temp_expr_table): Initialize expr_vars.
1697 (free_temp_expr_table): Cleanup expr_vars.
1698 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
1699 expressions from being merged into one.
1700 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
1701 (struct tree_niter_desc): Add control, bound and cmp fields.
1702 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
1704 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
1705 (tree-cfgcleanup.o): Add SCEV_H dependency.
1706 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
1707 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
1709 2006-02-14 Richard Guenther <rguenther@suse.de>
1711 PR tree-optimization/26258
1712 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
1713 in PHI argument processing.
1715 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
1717 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
1718 new expression in the requested machine mode.
1720 2006-02-13 Roger Sayle <roger@eyesopen.com>
1722 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
1723 directly, instead let do_compare_rtx_and_jump handle this for us.
1724 * expr.c (expand_expr_real_1): Likewise.
1725 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
1726 before do_jump_by_parts_greater.
1727 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
1728 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
1730 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1732 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
1734 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
1736 PR rtl-optimization/26235
1737 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
1738 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
1741 2006-02-13 Jeff Law <law@redhat.com>
1743 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
1746 2006-02-13 Jakub Jelinek <jakub@redhat.com>
1749 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
1750 twice if decl is a builtin. When trying again, call get_callee_fndecl
1751 first to verify it is still a builtin.
1753 2006-02-13 Geoffrey Keating <geoffk@apple.com>
1755 * dwarf2out.c (base_type_die): Don't add AT_name here.
1756 (subrange_type_die): Don't add AT_name here.
1757 (modified_type_die): Rearrange code flow. Do add AT_name here.
1759 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
1761 PR rtl-optimization/26247
1762 PR rtl-optimization/26248
1763 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
1765 2006-02-13 Richard Sandiford <richard@codesourcery.com>
1767 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
1768 * config/fixtfdi.c: Likewise.
1769 * config/fixunstfdi.c: Likewise.
1770 * config/floatditf.c: Likewise.
1772 2006-02-13 Roger Sayle <roger@eyesopen.com>
1775 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
1776 into (X,C2) if C1 is a subset of the bits of C2. Transform
1777 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
1779 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
1781 2006-02-13 Josh Conner <jconner@apple.com>
1784 * varasm.c (function_section): Check for section name before
1785 calling select_section on targets that define
1786 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
1787 unlikely_text_section instead of hot_function_section if
1788 first_function_block_is_cold.
1790 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
1793 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
1795 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1797 PR rtl-optimization/26222
1798 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
1799 after tree->rtl expansion.
1800 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
1801 before passing it to emit_move_insn.
1803 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
1805 * doc/invoke.texi (-Write-strings): Document that it is enabled by
1807 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
1808 Clarify documentation.
1809 * c-common.h (warn_write_strings): Remove.
1810 * c-common.c (warn_write_strings): Likewise.
1811 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
1814 2006-02-12 Roger Sayle <roger@eyesopen.com>
1817 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
1818 (do_jump_parts_zero_rtx): New function renamed from
1819 do_jump_parts_equality_rtx. Made static. Add a mode argument.
1820 (do_jump_parts_equality_rtx): New function split out from
1821 do_jump_parts_equality. Old implementation renamed as above.
1822 Call do_jump_parts_zero_rtx if either operand is zero.
1823 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
1824 do all of the heavy lifting.
1825 (do_compare_rtx_and_jump): Handle multi-word comparisons by
1826 calling either do_jump_by_parts_greater_rtx or
1827 do_jump_by_parts_equality_rtx.
1828 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
1829 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
1830 moved to do_compare_rtx_and_jump, call it directly.
1831 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
1832 mode argument. Call do_compare_rtx_and_jump.
1833 (emit_case_nodes): Update calls to do_jump_if_equal.
1835 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1837 PR rtl-optimization/26225
1838 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
1840 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1842 PR rtl-optimization/26232
1843 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
1845 2006-02-11 Jason Merrill <jason@redhat.com>
1848 * tree-inline.c (declare_return_variable): Just don't use the
1849 modify target if it's a gimple complex reg and the return slot
1852 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1854 * doc/contrib.texi: Update my entry.
1856 2006-02-10 Geoffrey Keating <geoffk@apple.com>
1858 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
1860 2006-02-10 Diego Novillo <dnovillo@redhat.com>
1862 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
1865 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
1867 * doc/invoke.texi (-floop-optimize2): Removed.
1868 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
1869 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
1870 Test flag_branch_on_count_reg only if HAVE_doloop_end.
1871 * common.opt (floop-optimize2): Removed.
1872 (fmove-loop-invariants): Enabled by default.
1874 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
1876 * tree-if-conv.c (combine_blocks): Free the result of
1877 get_loop_exit_edges.
1879 2006-02-10 Jeff Law <law@redhat.com>
1881 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
1883 PR tree-optimization/26213
1884 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
1885 loop trying to follow SSA_NAME_VALUE chains.
1887 2006-02-10 Richard Guenther <rguenther@suse.de>
1889 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
1890 deal with structures that end in implicitly variable sized arrays.
1892 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1894 PR rtl-optimization/24762
1895 * df-scan.c (df_bb_refs_record): Record correct registers defined on
1898 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1900 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
1901 (struct ivopts_data): Add regs_used field.
1902 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
1903 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
1904 instead of loop_data->regs_used;
1905 (free_loop_data): Do not free aux fields for loops.
1906 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
1907 and tree_ssa_iv_optimize_finalize.
1909 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
1911 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
1913 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
1916 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
1917 computing the effective result type.
1919 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
1922 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
1923 (tree_overlaps_hard_reg_set): Declare.
1924 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
1925 type and signature to match function type expected by walk_tree.
1926 (tree_overlaps_hard_reg_set): New function.
1927 (decl_conflicts_with_clobbers_p): Rename to:
1928 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
1929 Use tree_overlaps_hard_reg_set. Changed caller.
1930 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
1931 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
1932 * cris.c (cris_md_asm_clobbers): Likewise.
1934 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
1936 * reload1.c (emit_input_reload_insns): Delete code that tries to
1937 inherit using find_equiv_reg.
1939 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
1941 * c-common.h (flag_const_strings): Don't declare.
1942 * c-common.c (flag_const_strings): Remove.
1943 * c.opt (fconst_strings): Remove.
1944 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
1945 <OPT_Wwrite_strings>: Don't set flag_const_strings.
1946 (c_common_init_options): Don't set flag_const_strings.
1947 * doc/invoke.texi (-fno-const-strings): Remove documentation.
1949 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
1951 * arm.md (tlobits_cbranch): New pattern.
1952 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
1953 testing a single bit.
1955 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1958 * tree-ssa-pre.c (create_component_ref_by_pieces):
1959 Handle RETURN_DECL like VAR_DECL.
1961 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1964 * fold-const.c (fold_indirect_ref_1): Fold
1965 "*(foo *)&complexfoo" to "__real__ complexfoo"
1966 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
1968 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1970 * tree-flow-inline.h (var_can_have_subvars):
1971 Volatile variables should not have subvariables.
1973 2006-02-09 Diego Novillo <dnovillo@redhat.com>
1976 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
1977 multiplying unsigned values.
1980 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
1982 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
1984 2006-02-08 Jason Merrill <jason@redhat.com>
1987 * tree.def: Elaborate on difference from MODIFY_EXPR.
1988 * doc/c-tree.texi (INIT_EXPR): Likewise.
1989 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
1990 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
1991 (gimplify_target_expr): Likewise.
1992 (gimplify_cond_expr): Remove target handling.
1993 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
1994 (gimplify_expr): Clobber it here.
1995 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
1996 Do return slot optimization if we have an INIT_EXPR.
1999 * tree-inline.c (declare_return_variable): Also clear
2000 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
2003 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
2006 * gimplify.c (gimplify_one_sizepos): Fix typo.
2008 2006-02-08 Jeff Law <law@redhat.com>
2010 PR tree-optimization/21417
2011 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
2012 across a backedge if the control statement at the end of the
2013 block is data dependent on other statements in the same block.
2014 (record_temporary_equivalences_from_stmts): Remove over-conservative
2015 test for threading across backedges.
2017 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
2018 control statement, handle all three special cases in the same
2019 manner as they all have the same desired solution. No longer
2020 special case edge flag updating when the post dominator is
2023 2006-02-08 Roger Sayle <roger@eyesopen.com>
2025 * tree.def (CHAR_TYPE): Remove.
2026 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
2027 * dwarf2out.c (base_type_die, is_base_type): Likewise.
2028 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
2029 (gen_string_type_die): Delete unreachable function.
2031 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
2032 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
2033 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
2034 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
2035 * builtins.c (type_to_class): Likewise.
2036 * fold-const.c (fold_convert, build_range_check,
2037 merge_ranges): Likewise.
2038 * expr.c (count_type_elements): Likewise.
2039 * c-pretty-print.c (pp_c_type_specifier): Likewise.
2040 * stor-layout.c (layout_type): Likewise.
2041 * ipa-type-escape.c (type_to_consider): Likewise.
2042 * gimplify.c (omp_firstprivatize_type_sizes,
2043 gimplify_type_sizes): Likewise.
2044 * explow.c (promote_mode): Likewise.
2045 * tree-sra.c (is_sra_scalar_type): Likewise.
2046 * varasm.c (output_constant): Likewise.
2047 * tree-inline.c (remap_type_1): Likewise.
2048 * convert.c (convert_to_pointer, convert_to_real,
2049 convert_to_integer, convert_to_complex): Likewise.
2051 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
2053 * df-scan.c (df_def_record_1): A set destination may
2054 be a parallel regardless of mode.
2056 2006-02-08 Roger Sayle <roger@eyesopen.com>
2059 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
2060 * config/mips/_tilib.c: Remove.
2061 * config/fixtfdi.c: New libgcc source file.
2062 * config/fixunstfdi.c: New source file.
2063 * config/floatditf.c: New source file.
2064 * config/floatunditf.c: New souce file.
2065 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2066 files above instead of config/mips/_tilib.c.
2067 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2069 2006-02-08 Jeff Law <law@redhat.com>
2071 PR tree-optimization/26169
2072 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
2075 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
2077 * df.h (DF_REG_SIZE): Return the length of the initialized
2080 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
2082 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
2083 __muldf3): Return a correctly signed zero.
2085 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
2087 * passes.c (register_one_dump_file): Accept the current properties
2088 instead of pass number. Adjust call to dump_register. Remove
2090 (register_dump_files): Now a wrapper around...
2091 (register_dump_files_1): ... this one. Do not modify the pass
2093 (next_pass_1): Cosmetic fix.
2094 (execute_todo): Keep second parameter only. Use curr_properties
2095 instead of fetching it from the pass structure. Check and set
2097 (execute_one_pass): Handle TODO_set_props. Use curr_properties
2098 instead of fetching it from the pass structure. Fix calls to
2099 execute_todo. Update curr_properties and initialize .vcg RTL dump
2100 after running the pass. Reset last_verified.
2101 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
2103 (FIRST_AUTO_NUMBERED_DUMP): New.
2104 (dump_register): Remove "num" parameter, assign it within the
2106 (get_dump_file_name): Modify template for dumps.
2107 * tree-dump.h (dump_register): Adjust prototype.
2108 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
2109 (PROP_trees): Add PROP_gimple_lomp.
2110 (TODO_set_props): New.
2111 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
2112 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
2113 * cfgexpand.c (pass_expand): Destroy PROP_trees.
2115 2006-02-08 Jakub Jelinek <jakub@redhat.com>
2117 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
2118 (sparc64-*-linux*): Likewise.
2119 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
2120 * config/sparc/t-linux: New file.
2121 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
2122 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
2123 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
2124 -m32 -mlong-double-128.
2126 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
2127 * config/alpha/t-linux: New file.
2128 * config/alpha/libgcc-alpha-ldbl.ver: New file.
2130 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
2131 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
2132 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
2133 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
2134 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
2135 (CPP_ARCH32_SPEC): Remove.
2137 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
2139 PR tree-optimization/26145
2140 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
2143 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2146 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
2147 >= 240000 when generating code for SOM runtime.
2148 (output_indirect_call): Don't use "b,l" instruction for indirect calls
2149 to $$dyncall when generating code for SOM runtime..
2151 2006-02-07 Dirk Mueller <dmueller@suse.com>
2154 * doc/invoke.texi (-Wsequence-point): Update documentation
2155 that -Wsequence-point is implemented for C++ as well.
2157 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2159 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
2160 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
2161 (LIB_SPEC): Likewise.
2162 * doc/invoke.texi (SPARC options): Document -pthread.
2164 2006-02-07 Geoffrey Keating <geoffk@apple.com>
2166 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
2169 2006-02-07 Roger Sayle <roger@eyesopen.com>
2171 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
2172 Correct comment describing BOOLEAN_TYPE.
2174 2006-02-07 Dirk Mueller <dmueller@suse.com>
2176 * c.opt: C++ frontend supports -Wdiv-by-zero.
2177 * c-opts.c (c_common_handle_option): Remove dead case.
2179 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2181 * configure.ac (TLS assembler check): Do not enable TLS by
2182 default on SPARC/Solaris before version 10.
2183 * configure: Regenerate.
2185 2006-02-07 David Edelsohn <edelsohn@gnu.org>
2187 * doc/invoke.texi (xl-compat): Document conversion and support
2190 2006-02-07 Jeff Law <law@redhat.com>
2192 * tree-vrp.c (find_conditional_asserts): Update comments.
2193 (simplify_stmt_for_jump_threading): New.
2194 (identify_jump_threads, finalize_jump_threads): New.
2195 (vrp_finalize): Call identify_jump_threads.
2196 (execute_vrp): Call finalize_jump_threads.
2197 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
2198 (vrp_element, vrp_data, vrp_element_p): Remove.
2199 (vrp_hash_elt, vrp_variables_stack): Remove.
2200 (vrp_hash, vrp_eq, record_range): Remove.
2201 (simplify_cond_and_lookup_avail_expr): Remove.
2202 (extract_range_from_cond): Remove.
2203 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
2204 (simplify_stmt_for_jump_threading): New.
2205 (dom_thread_across_edge): New wrapper.
2206 (tree_ssa_dominator_optimize): No longer initialize or
2207 finalize any of the VRP datastructures. Remove iteration
2208 step and simplify as a result of removal of iteration step.
2209 (pass_dominator): Perform a cfg cleanup after DOM.
2210 (dom_opt_finalize_block): Use the new common routines
2211 for threading jumps. Simplify stack management slightly.
2212 No longer need to unwind VRP state.
2213 (record_equivalences_from_incoming_edge): No longer record
2215 (eliminate_redundant_computations): No longer call
2216 simplify_cond_and_lookup_avail_expr.
2217 * tree-flow.h (potentially_threadable_block): Prototype.
2218 (thread_across_edge): Likewise.
2219 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
2220 (tree-ssa-threadedge.o): Add dependencies.
2221 * tree-ssa-threadedge.c: New file.
2222 * passes.c (init_optimization_passes): Merge PHIs before
2223 calling VRP. Run VRP again late in the SSA optimization pipeline.
2225 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2227 * df-core.c (df_set_blocks): Do not dereference function pointers.
2228 (df_finish1): Likewise.
2229 (df_hybrid_search_forward): Likewise.
2230 (df_hybrid_search_backward): Likewise.
2231 (df_iterative_dataflow): Likewise.
2232 (df_analyze_problem): Likewise.
2233 (df_compact_blocks): Likewise.
2234 (df_dump): Likewise.
2235 * df-scan.c (df_rescan_blocks): Likewise.
2236 (df_record_entry_block_defs): Likewise.
2238 * genconditions.c (write_conditions): Guard the definition of
2239 'insn_conditions' with the check on GCC version.
2240 (write_writer): Guard the traversal 'insn_conditions' with
2241 the check on GCC version.
2243 2006-02-07 Richard Guenther <rguenther@suse.de>
2247 2006-01-30 Richard Guenther <rguenther@suse.de>
2249 * gimplify.c (gimplify_target_expr): Handle easy cases
2250 without creating a temporary.
2252 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
2254 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
2255 use of float in probability computations. Use edge probabilities
2256 in place of statically computed probabilities.
2257 (min_spec_prob): New static variable.
2258 (schedule_insns): Initialize it.
2259 (GET_SRC_PROB): Removed.
2260 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
2262 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
2265 * config/ia64/unwind-ia64.c: Revert last change.
2266 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
2267 (INCOMING_FRAME_SP_OFFSET): Define.
2269 2006-02-06 Roger Sayle <roger@eyesopen.com>
2271 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
2273 2006-02-07 Ben Elliston <bje@au.ibm.com>
2275 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
2276 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
2277 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
2278 (ix86_return_in_memory): Handle TDmode.
2279 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
2280 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
2282 2006-02-06 Richard Sandiford <richard@codesourcery.com>
2284 * reorg.c (dbr_schedule): Use dump_file instead of file.
2286 2006-02-06 Steve Ellcey <sje@cup.hp.com>
2289 * config/ia64/predicates.md (extr_len_operand): New predicate.
2290 * config/ia64/ia64.md (extv): Tighten constraints.
2292 (*tbit_and_2): Ditto.
2293 (*tbit_and_3): Ditto.
2294 (*tbit_or_2): Ditto.
2295 (*tbit_or_3): Ditto.
2299 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
2302 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
2304 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
2306 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
2307 loop_optimizer_init and loop_optimizer_finalize
2308 * tree-ssa-sink.c (execute_sink_code): Ditto.
2309 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2310 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
2311 tree_ssa_loop_done): Ditto.
2312 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
2313 * sched-ebb.c: Include output.h.
2314 (schedule_ebbs): Do not use dump argument.
2315 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
2316 * loop.c (loop_dump_stream): Removed.
2317 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
2319 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
2320 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
2321 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
2322 loop_iterations, strength_reduce, record_biv, record_giv,
2323 final_giv_value, check_final_value, check_ext_dependent_givs,
2324 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
2325 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
2326 dump_file instead of loop_dump_stream.
2327 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
2329 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
2331 * flow.c (life_analysis, rest_of_handle_life): Ditto.
2332 * haifa-sched.c: Include output.h
2333 (schedule_insns, sched_init): Do not use dump argument.
2334 * mode-switching.c (optimize_mode_switching): Ditto.
2335 * modulo-sched.c (stats_file): Removed.
2336 (print_node_sched_params): Do not call argument dump_file.
2337 (sms_schedule_by_order, loop_canon_p, sms_schedule,
2338 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
2340 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
2342 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
2343 rtl_loop_init, rtl_loop_done): Ditto.
2344 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
2345 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
2347 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
2348 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
2349 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
2350 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
2351 * emit-rtl.c (renumber_insns): Ditto.
2352 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
2353 expand_gimple_basic_block, tree_expand_cfg): Ditto.
2354 * regclass.c (regclass): Ditto.
2355 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
2356 remove_ssa_form, rewrite_out_of_ssa): Ditto.
2357 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
2358 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
2360 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
2361 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
2363 * gcse.c (gcse_file, debug_stderr): Removed.
2364 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
2365 rest_of_handle_gcse): Do not use dump argument.
2366 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
2367 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
2368 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
2369 compute_code_hoist_vbeinout, compute_code_hoist_data,
2370 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
2371 compute_store_table, build_store_vectors, insert_insn_start_bb,
2372 insert_store, remove_reachable_equiv_notes, replace_store_insn,
2373 store_motion): Use dump_file instead of gcse_file.
2374 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
2375 * profile.c (profile_dump_file): Removed.
2376 (branch_prob): Use dump_file instead of profile_dump_file.
2377 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
2379 * tree-ssa-copy.c (dump_copy_of): Ditto.
2380 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
2381 dump file to life_analysis.
2382 * bt-load.c (branch_target_load_optimize): Ditto.
2383 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
2385 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
2386 regclass, dbr_schedule): Declaration changed.
2387 * sched-int.h (sched_init): Declaration changed.
2388 * tree-profile.c (tree_profile_dump_file): Removed.
2389 (tree_profile_hooks): Removed profile_dump_file hook.
2390 * rtl-profile (rtl_profile_dump_file): Removed.
2391 (rtl_profile_hooks): emoved profile_dump_file hook.
2392 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
2394 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
2395 * tree-cfg.c (build_tree_cfg): Ditto.
2396 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
2397 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
2398 Declaration changed.
2399 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
2400 life_analysis and schedule_insns.
2401 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
2403 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
2405 * config/mips/mips.c (mips_reorg): Ditto.
2406 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
2409 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
2411 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2412 (s390_mangle_fundamental_type): New.
2413 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2416 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2417 (alpha_mangle_fundamental_type): New.
2418 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2421 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2423 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2425 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2426 (sparc_mangle_fundamental_type): New.
2428 2006-02-06 Jakub Jelinek <jakub@redhat.com>
2430 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
2431 (s390x-*-linux*): Likewise.
2432 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
2433 * config/s390/t-linux: New file.
2435 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2437 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
2438 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
2440 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
2442 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
2443 (ANTIC_SAFE_LOADS): New macro.
2444 (find_or_generate_expression): Add prototype.
2445 (set_contains_value): Allow null set for sake of not always having
2446 to allocate ANTIC_SAFE_LOADS.
2447 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
2448 Allow COMPONENT_REF too.
2449 (valid_in_set): Allow COMPONENT_REF.
2450 Check ANTIC_SAFE_LOADS too.
2451 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
2452 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
2454 (can_PRE_operation): Add COMPONENT_REF.
2455 (create_component_ref_by_pieces): New function.
2456 (create_expression_by_pieces): Use create_component_ref_by_pieces.
2457 (insert_aux): Move AGGREGATE_TYPE_P check here.
2458 (compute_avail): Set bb local stmt uids.
2459 (pass_pre): Use TODO_update_ssa_only_virtuals.
2461 2006-02-06 Ben Elliston <bje@au.ibm.com>
2463 * configure.ac: Unconditionally disable decimal float by default.
2464 * configure: Regenerate.
2466 2006-02-06 Ben Elliston <bje@au.ibm.com>
2468 * read-rtl.c (read_name): Terminate reading on EOF.
2470 2006-02-06 Ben Elliston <bje@au.ibm.com>
2472 * dfp.c (decimal_real_arithmetic): Change second argument type
2473 from int to enum tree_code. Do not always return true, but now
2474 return result of any call to decimal_do helper functions.
2475 * dfp.h (decimal_real_arithmetic): Update prototype.
2477 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
2479 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
2481 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
2484 * tree-cfg.c (cleanup_dead_labels): Also don't remove
2487 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2489 * tree-vrp.c (cfg_loops): Removed.
2490 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
2491 Use current_loops instead of cfg_loops. Pass flags to
2492 loop_optimizer_init.
2493 * cfgloopmanip.c (fix_loop_structure): Update only available
2495 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
2496 loop_optimizer_init.
2497 * modulo-sched.c (build_loops_structure): Removed.
2498 (sms_schedule): Use loop_optimizer_init.
2499 * loop-init.c (loop_optimizer_init): Use flags to determine
2500 which properties of loops to prepare.
2501 (rtl_loop_init): Pass flags to loop_optimizer_init.
2502 * tree-ssa-sink.c (execute_sink_code): Ditto.
2503 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
2504 * tree-ssa-pre.c (init_pre): Ditto.
2505 * cfgloop.h (LOOPS_NORMAL): New.
2506 (loop_optimizer_init): Declaration changed.
2508 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2510 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
2511 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
2513 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
2515 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
2517 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
2518 * pa/t-pa64: Delete quadlib.c rule.
2519 * pa/x-ada: Revert last change.
2520 * pa/t-pa: Revert last change. Delete quadlib.c rule.
2522 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2524 PR rtl-optimization/26087
2525 * rtlanal.c (canonicalize_condition): Do not cross basic block
2528 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
2531 * config/ia64/ia64.c: Include debug.h.
2532 (MAX_ARTIFICIAL_LABEL_BYTES): New.
2533 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
2534 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
2535 (process_epilogue, process_set, process_for_unwind_directive):
2536 Output unwind info only if requested. Add CFA info if requested.
2537 Add new arguments as needed. Adjust callers.
2538 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
2540 (DWARF2_FRAME_INFO): Define to zero.
2541 * config/ia64/unwind-ia64.c: Remove code that compensated for
2542 the CFA offset error fixed above.
2543 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
2544 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
2545 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
2546 -funwind-tables and -fexceptions to enable frame info.
2547 (dwarf2out_frame_init): Define initial CFA even if
2548 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
2549 DWARF2_UNWIND_INFO is nonzero, not just defined.
2550 (dwarf2out_frame_finish): Output non-EH call frame info only
2551 if DWARF2_FRAME_INFO is nonzero.
2552 (convert_cfa_to_loc_list,
2553 compute_frame_pointer_to_cfa_displacement): Define even if
2554 unwind info is not supported.
2555 (gen_subprogram_die): Use the above unconditionally. Remove
2556 legacy alternate code.
2557 * toplev.c (compile_file): Compile in call to
2558 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
2559 (lang_dependent_init): Ditto for dwarf2out_frame_init.
2561 2006-02-04 David Edelsohn <edelsohn@gnu.org>
2562 Jakub Jelinek <jakub@redhat.com>
2564 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
2565 IBM extended float format long double as "g" on powerpc*-linux.
2567 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2570 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
2571 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
2573 2006-02-03 Jason Merrill <jason@redhat.com>
2576 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
2579 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
2580 on the return slot if it's an NRV.
2582 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
2584 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
2585 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
2586 rewrite_use): Do not handle USE_OUTER.
2587 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
2588 add_iv_outer_candidates, may_replace_final_value,
2589 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
2590 (find_interesting_uses_op): Functionality of
2591 find_interesting_uses_outer_or_nonlin moved here.
2592 (find_interesting_uses_outside): Use find_interesting_uses_op.
2594 2006-02-03 Alan Modra <amodra@bigpond.net.au>
2597 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
2599 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
2600 Ulrich Weigand <uweigand@de.ibm.com>
2603 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
2604 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
2605 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
2606 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
2608 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
2609 (s390_rtx_costs): Use the new fields to calculate rtx costs.
2610 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
2611 Define secondary reloads for TFmode moves.
2612 (constant_modes): Add TFmode.
2613 (NR_C_MODES): Set to 8.
2614 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
2616 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
2617 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
2618 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
2619 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
2620 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
2621 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
2622 (FPR mode macro): Add TFmode.
2623 (DSF mode macro): New.
2624 (<de>, <dee> mode attributes): Removed.
2625 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
2626 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
2627 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
2628 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
2629 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
2630 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
2631 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
2632 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
2633 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
2634 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
2635 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
2636 "*negabs<mode>2", "sqrt<mode>2"):
2637 Changed <de> to <xde>. R constraint replaced by <Rf>.
2638 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
2640 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
2641 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
2642 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
2644 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
2645 "extenddftf2", "extendsftf2"): New expanders.
2646 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
2647 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
2648 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
2649 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
2651 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
2652 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
2653 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
2654 __floatditf): Add a GCC_4.1.0 symbol version tag.
2655 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
2658 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
2661 * config/i386/i386.c (ix86_function_ok_for_sibcall):
2662 Use targetm.binds_local_p instead of TREE_PUBLIC.
2664 2006-02-02 Roger Sayle <roger@eyesopen.com>
2666 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
2667 on INTEGER_TYPEs to indicate that it denotes a character type.
2668 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
2669 signed_char_type_node, unsigned_char_type_node and char_type_node.
2670 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
2671 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
2672 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
2674 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
2675 Daniel Berlin <dberlin@dberlin.org>
2677 * tree-tailcall.c (arg_needs_copy_p): New function.
2678 (eliminate_tail_call): Use arg_needs_copy_p.
2679 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
2680 (add_virtual_phis): New function.
2682 2006-02-02 Jakub Jelinek <jakub@redhat.com>
2684 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
2685 #ignore instead of #scratch for %g7 .register directive.
2687 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
2689 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
2692 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2694 * flow.c (calculate_global_regs_live): Assert that there aren't any
2697 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
2699 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
2701 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
2702 bsi_after_labels iterator.
2703 * tree-if-conv.c (find_phi_replacement_condition,
2704 replace_phi_with_cond_modify_expr): Likewise.
2705 * tree-scalar-evolution.c (scev_const_prop): Likewise.
2706 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
2708 2006-02-02 Diego Novillo <dnovillo@redhat.com>
2710 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
2712 2006-02-02 Diego Novillo <dnovillo@redhat.com>
2715 * tree-cfg.c (move_block_to_fn): Clear out the basic block
2716 array after growing it.
2718 2006-02-01 Steve Ellcey <sje@cup.hp.com>
2721 * fold-const.c (fold_checksum_tree): Change type of buf.
2723 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
2725 * reload.c (push_secondary_reload): Initialize t_icode.
2727 2006-02-01 Jakub Jelinek <jakub@redhat.com>
2729 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
2730 -msoft-float -mlong-double-128 only issue a warning, but don't
2731 swich to DFmode long double.
2733 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
2735 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
2736 has a constant equivalent, iterate over equivalents for arg0,
2737 calling simplify_relational_operation and if there's a result
2738 cheaper than X, apply fold_rtx and return the result.
2740 2006-02-01 Jan Hubicka <jh@suse.cz>
2742 * opts.c (no_unit_at_a_time_default): New global variable.
2743 (decode_options): Use it.
2744 * opts.h (no_unit_at_a_time_default): Declare.
2746 2006-02-01 Paul Brook <paul@codesourcery.com>
2748 * function.c (assign_parm_setup_reg): Use function argument promotion
2750 * expr.c (expand_expr_real_1): Use function argument promotion rules
2753 2006-02-01 Steve Ellcey <sje@cup.hp.com>
2755 * gcc.c (process_command): Change j to 'unsigned int'.
2757 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2760 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
2761 Use the corrected index for the character
2762 out of the string constant.
2764 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2766 * mode-switching.c (optimize_mode_switching): Fix size
2767 allocated for bb_info[n_entities].
2769 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2771 * gcc.c (main): Correct type that is allocated for
2772 explicit_link_files.
2774 2006-01-31 Jakub Jelinek <jakub@redhat.com>
2776 * config/s390/s390.c (init_alignment_context): Set
2777 ALIAS_SET_MEMORY_BARRIER on the MEM.
2778 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
2780 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
2783 * loop-unroll.c (unroll_loop_runtime_iterations): Free
2785 * tree-ssa-live.c (type_var_init): Allocate bitmap after
2788 2006-01-31 Marcin Dalecki <martin@dalecki.de>
2790 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
2791 * regrename.c: Ditto.
2792 * tree-ssa-loop-im.c: Ditto.
2793 * tree-dump.c: Ditto.
2794 * tree-complex.c: Ditto.
2795 * genrecog.c: Ditto.
2796 * tree-ssa-threadupdate.c: Ditto.
2798 * java/class.c: Ditto.
2799 * java/jcf-parse.c: Ditto.
2800 * java/resource.c: Ditto.
2801 * java/except.c: Ditto.
2802 * java/jvspec.c: Ditto.
2803 * java/jcf-write.c: Ditto.
2804 * java/jcf-path.c: Ditto.
2805 * java/gjavah.c: Ditto.
2806 * java/zextract.c: Ditto.
2807 * java/jcf-io.c: Ditto.
2808 * java/jcf.h: Ditto.
2809 * java/buffer.c: Ditto.
2810 * java/lang.c: Ditto.
2811 * java/parse-scan.y: Ditto.
2812 * java/lex.c: Ditto.
2813 * java/lex.h: Ditto.
2814 * cfgloopmanip.c: Ditto.
2815 * postreload-gcse.c: Ditto.
2816 * tree-ssa-loop-manip.c: Ditto.
2817 * postreload.c: Ditto.
2818 * tree-ssa-loop-ch.c: Ditto.
2822 * diagnostic.c: Ditto.
2824 * genoutput.c: Ditto.
2826 * cfghooks.c: Ditto.
2827 * cfgloopanal.c: Ditto.
2828 * objc/objc-act.c: Ditto.
2830 * genextract.c: Ditto.
2831 * genautomata.c: Ditto.
2832 * pretty-print.c: Ditto.
2834 * cgraphunit.c: Ditto.
2837 * haifa-sched.c: Ditto.
2838 * dominance.c: Ditto.
2840 * tree-ssa-loop-ivopts.c: Ditto.
2842 * mode-switching.c: Ditto.
2843 * modulo-sched.c: Ditto.
2845 * ipa-pure-const.c: Ditto.
2847 * fix-header.c: Ditto.
2849 * tree-stdarg.c: Ditto.
2850 * ipa-utils.c: Ditto.
2851 * loop-init.c: Ditto.
2852 * ipa-inline.c: Ditto.
2855 * alloc-pool.c: Ditto.
2856 * dwarf2out.c: Ditto.
2858 * genattrtab.c: Ditto.
2859 * tree-ssa-loop-ivcanon.c: Ditto.
2863 * fortran/gfortranspec.c: Ditto.
2865 * local-alloc.c: Ditto.
2866 * langhooks.c: Ditto.
2867 * function.c: Ditto.
2868 * tree-vectorizer.c: Ditto.
2870 * ipa-type-escape.c: Ditto.
2872 * tree-if-conv.c: Ditto.
2875 * tree-data-ref.c: Ditto.
2876 * loop-unroll.c: Ditto.
2877 * treelang/treetree.c: Ditto.
2880 * ggc-common.c: Ditto.
2882 * coverage.c: Ditto.
2884 * tree-cfgcleanup.c: Ditto.
2885 * tree-ssa-pre.c: Ditto.
2886 * cfgcleanup.c: Ditto.
2887 * loop-invariant.c: Ditto.
2889 * ipa-prop.c: Ditto.
2890 * print-tree.c: Ditto.
2891 * conflict.c: Ditto.
2892 * ggc-page.c: Ditto.
2893 * sched-deps.c: Ditto.
2894 * regclass.c: Ditto.
2895 * tree-object-size.c: Ditto.
2897 * bb-reorder.c: Ditto.
2898 * resource.c: Ditto.
2899 * var-tracking.c: Ditto.
2901 * df-problems.c: Ditto.
2902 * reg-stack.c: Ditto.
2905 * sched-rgn.c: Ditto.
2906 * tree-ssa-structalias.c: Ditto.
2907 * tree-ssa-reassoc.c: Ditto.
2908 * config/darwin-c.c: Ditto.
2909 * config/darwin.c: Ditto.
2910 * config/arm/arm.c: Ditto.
2912 * collect2.c: Ditto.
2915 2006-01-31 Nicolas Pitre <nico@cam.org>
2917 * arm.md (smaxsi3): Make aware of smax_m1.
2920 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
2922 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
2924 2006-01-31 Richard Guenther <rguenther@suse.de>
2926 * doc/invoke.texi (-msselibm): Document.
2927 * target.h (expand_library_builtin): New target hook.
2928 * builtins.c (expand_builtin): Use expand_library_builtin.
2929 (default_expand_library_builtin): New function.
2930 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2931 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2932 (link_gcc_math_spec): Declare.
2933 (static_specs): Add link_gcc_math_spec.
2934 * expr.h (default_expand_library_builtin): Declare.
2935 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2936 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2937 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2938 * config/i386/i386.opt (msselibm): New target option.
2939 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2940 (ix86_init_sse_abi_builtins): New function.
2941 (ix86_expand_library_builtin): Likewise.
2942 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2943 (override_options): Handle error conditions wrt -msselibm.
2944 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2945 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2946 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2949 2006-01-31 Richard Guenther <rguenther@suse.de>
2950 Paolo Bonzini <bonzini@gnu.org>
2952 * doc/install.texi (--disable-libgcc-math): Document.
2954 2006-01-30 Marcin Dalecki <martin@dalecki.de>
2956 * expr.h (expand_normal): new inline function.
2957 * builtins.c: use it, use EXPAND_NORMAL explicitely.
2959 * dwarf2out.c: use it.
2964 * config/sparc/sparc.c: use it.
2965 * config/i386/i386.c: use it.
2966 * config/rs6000/rs6000.c: use it.
2967 * config/arm/arm.c: use it.
2968 * config/mips/mips.c: use it.
2969 * stmt.c: use it, use EXPAND_NORMAL explicitely.
2971 2006-01-30 Roger Sayle <roger@eyesopen.com>
2973 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
2974 argv to the appropriate type.
2976 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
2978 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
2981 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
2984 * config/s390/s390.c (struct machine_function): New flag
2985 decomposed_literal_pool_addresses_ok_p.
2986 (s390_reorg): Set it before final stage of literal pool transforms.
2987 (s390_decompose_address): Only accept displacements of the form
2988 (minus (label_ref ...) (label_ref ...)) if that flag is set.
2990 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
2992 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
2993 the comparison routine return.
2995 2006-01-30 Michael Matz <matz@suse.de>
2997 * global.c (find_reg): Only evict for global regs.
2998 Take n_refs into account and dump more info.
3000 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
3003 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
3004 (pragma_trap, pragma_nosave_low_regs): Likewise.
3005 (current_function_anonymous_args): Likewise.
3006 (sh_deferred_function_attributes): New variable.
3007 (sh_deferred_function_attributes_tail): Likewise.
3008 (print_operand): For '@', look up trap_exit attribute.
3009 (calc_live_regs): Look up trapa_handler attribute. For trapa
3010 handlers, save/restore fpscr, but don't do any other
3011 interrupt-specific saves.
3012 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
3013 Fix check for partially saved registers to check for SHmedia.
3014 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
3015 (sh_output_function_epilogue): Don't clear any of the removed
3017 (sh_insert_attributes): Don't check pragma_interrupt.
3018 Insert deferred attributes. Check that interrupt attribute is
3019 present for other attributes that require its presence.
3020 (sh_attribute_table): Add new attributes trapa_handler and
3022 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
3023 Don't check for pragma_interrupt. Don't store argument.
3024 * sh.h (pragma_interrupt, sp_switch): Don't declare.
3025 (sh_deferred_function_attributes): Declare.
3026 (sh_deferred_function_attributes_tail): Likewise.
3027 * sh.md (sp_switch_1): Add operand. Change generator caller.
3028 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
3029 (*return_i): Don't use when trap_exit attribute is in effect.
3030 (*return_trapa): New insn pattern.
3032 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
3033 setting c_target_objs and cxx_target_objs.
3034 * t-sh: Add rule for sh-c.o.
3036 2006-01-30 Richard Guenther <rguenther@suse.de>
3039 * gimplify.c (gimplify_target_expr): Handle easy cases
3040 without creating a temporary.
3042 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
3044 * vec.h (safe_grow): Remove duplicated line.
3046 2006-01-29 Diego Novillo <dnovillo@redhat.com>
3049 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
3050 (expand_omp): ... here.
3051 (expand_omp_parallel): Only remove barriers for combined
3052 parallel+workshare constructs.
3054 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
3058 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3059 * tree.c (build_qualified_type): Chain the new type to the original
3060 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3061 a POINTER_TYPE or a REFERENCE_TYPE respectively.
3062 (build_pointer_type_for_mode): Only return unqualified types.
3063 (build_reference_type_for_mode): Likewise.
3065 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
3067 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
3068 * Makefile.in (CXX_COMPAT_WARN): Define.
3069 * configure: Regenerate.
3071 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
3074 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
3077 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3079 * toplev.c: Fix thinko.
3081 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3082 Marcin Dalecki <martin@dalecki.de>
3084 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
3085 (push_srcloc): Use XNEW.
3086 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
3088 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3090 * df-core.c (df_set_blocks): Deleted all variable.
3092 2006-01-28 Ian Lance Taylor <ian@airs.com>
3094 * cgraphunit.c (cgraph_assemble_pending_functions): Call
3095 cgraph_output_pending_asms.
3097 2006-01-28 Zack Weinberg <zackw@panix.com>
3099 * c.opt: Add -W(no-)overlength-strings.
3100 * doc/invoke.texi: Document it.
3101 * c-opts.c (c_common_handle_option): -pedantic implies
3102 -Woverlength-strings, if not explicitly disabled already.
3103 (c_common_post_options): -Woverlength-strings defaults to off, and
3104 is always off for C++.
3105 * c-common.c (fix_string_type): Issue warning about strings longer
3106 than is portable only if warn_overlength_strings. Rearrange code
3107 a little for clarity.
3108 * configure.in: Check for -Wno-overlength-strings as well before
3109 enabling -pedantic in stage 1.
3110 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
3111 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
3113 * genconditions.c (write_header, write_one_condition)
3114 (write_conditions, write_writer): Consolidate very long strings
3115 that were broken up to fit in C89 portable limit. Don't use
3116 printf when fputs will do.
3118 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
3120 * combine.c (simplify_comparison <AND>): Check
3121 TRULY_NOOP_TRUNCATION before start using a subreg.
3123 * config/mips/mips.md (*branch_zero<mode>,
3124 *branch_zero<mode>_inverted, *branch_equality<mode>,
3125 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
3126 Remove mode check from comparisons.
3128 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
3130 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
3132 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3134 * expmed.c (const_mult_add_overflow_p): Remove.
3135 * expr.h: Remove the prototype for const_mult_add_overflow_p.
3137 * recog.c (validate_replace_rtx_subexp): Remove.
3138 * recog.h: Remove the prototype for
3139 validate_replace_rtx_subexp.
3141 * integrate.h: Remove the prototype for
3142 copy_decl_for_inlining.
3143 * rtl.h: Remove the prototype for mark_constant_function.
3144 * tree-vectorizer.h: Remove the prototype for
3145 vect_strip_conversion.
3147 * modulo-sched.c (create_partial_schedule,
3148 free_partial_schedule, reset_partial_schedule): Make them
3151 * hooks.c (hook_bool_rtx_int_false): Remove.
3152 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
3154 2006-01-28 David Edelsohn <edelsohn@gnu.org>
3156 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3157 and -mlong-double-128 are incompatible.
3158 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
3159 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
3160 (TARGET_LIBGCC2_CFLAGS): Define.
3161 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
3162 (TARGET_LIBGCC2_CFLAGS): Same.
3163 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
3165 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3168 * c-typeck.c (build_binary_op): Perform implicit casts of
3169 operands before shortening them.
3171 * cfgloopmanip.c (split_loop_bb): Remove.
3172 * cfgloop.h: Remove the prototype for split_loop_bb.
3174 * cfgloop.c (flow_loop_outside_edge_p): Remove.
3175 * cfgloop.h: Remove the prototype for
3176 flow_loop_outside_edge_p.
3178 * emit-rtl.c (init_virtual_regs): Make it static.
3179 * function.h: Remove the prototype for init_virtual_regs.
3181 * recog.c (peephole2_optimize): Make it static.
3182 * recog.h: Remove the prototype for peephole2_optimize.
3184 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3186 * df-scan.c (df_record_entry_block_defs): Check if
3187 INCOMING_RETURN_ADDR_RTX is defined.
3189 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
3190 Kenneth Zadeck <zadeck@naturalbridge.com>
3192 PR rtl-optimization/24762
3193 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3194 * targhooks.c (hook_void_bitmap): New hook prototype.
3195 * targhoohs.h (hook_void_bitmap): Ditto.
3196 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
3197 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
3198 * target.h (live_on_entry): New function pointer.
3199 * df-scan.c (df_all_hard_regs): Removed.
3200 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
3201 (df_scan_free_internal): Added df->entry_block_defs.
3202 (df_scan_alloc): Ditto.
3203 (df_scan_dump): Ditto.
3204 (df_uses_record): Plumbed flag field properly thru calls.
3205 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
3206 This part fixes PR24762.
3207 (df_bb_refs_record): Added code to make the frame and arg
3208 pointers live in EH blocks.
3209 (df_refs_record): Added call to df_record_entry_block_defs.
3210 (df_record_entry_block_defs): New function.
3211 * df-core.c: Added comments to describe new artifical defs.
3212 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
3213 (entry_block_defs): New field in struct df.
3214 (df_all_hard_regs): Deleted.
3215 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3216 * df-problems.c (df_ru_bb_local_compute_process_def):
3217 Added code to handle artifical defs in the entry to a function.
3218 (df_ru_bb_local_compute): Ditto.
3219 (df_rd_bb_local_compute_process_def): Ditto.
3220 (df_rd_bb_local_compute): Ditto.
3221 (df_lr_bb_local_compute): Ditto.
3222 (df_ur_bb_local_compute): Ditto.
3223 (df_urec_bb_local_compute): Ditto.
3224 (df_chain_create_bb): Ditto.
3225 (df_ur_local_finalize): Removed entry.
3226 (df_urec_init): Ditto.
3227 (df_urec_local_finalize): Ditto.
3228 (df_ri_bb_compute): Added detection of last use of pseudos.
3229 * Makefile.in (df-scan.o): Updated dependencies.
3230 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
3231 * config/mips/mips.c (mips_set_live_on_entry): Added.
3232 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
3234 * dce.c (marked_insn_p): Added code to handle artifical defs.
3236 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3238 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
3240 (_mm_cvtsi128_si64): Likewise.
3241 (_mm_cvtsd_si64): Likewise.
3242 (_mm_cvttsd_si64): Likewise.
3243 (_mm_cvtsi64_sd): Likewise.
3244 (_mm_cvtsi64_si128): Likewise.
3245 * config/i386/mmintrin.h (_m_from_int64): Likewise.
3246 (_mm_cvtsi64_m64): Likewise.
3247 (_m_to_int64): Likewise.
3248 (_mm_cvtm64_si64): Likewise.
3249 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
3250 (_mm_cvttss_si64): Likewise.
3251 (_mm_cvtsi64_ss): Likewise.
3252 (_mm_cvtss_f32): Likewise.
3254 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
3256 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
3257 for pragma redefine_extname.
3259 2006-01-27 Jakub Jelinek <jakub@redhat.com>
3262 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
3263 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
3264 -mno-minimal-toc to previous content.
3265 (bispecs): Remove goal.
3266 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
3267 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
3268 compatibility aliases on powerpc-*-*gnu*.
3269 * config/rs6000/libgcc-ppc-glibc.ver: New file.
3270 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
3271 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
3272 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
3273 (ldblspecs): New goal.
3274 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
3275 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
3277 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
3278 L_sf_to_tf or L_df_to_tf is defined.
3280 2006-01-27 David Edelsohn <edelsohn@gnu.org>
3281 Alan Modra <amodra@bigpond.net.au>
3284 * config/rs6000/linux.h (POWERPC_LINUX): Define.
3285 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
3286 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
3287 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
3288 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
3289 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
3290 (rs6000_override_options): Initialize rs6000_ieeequad.
3291 Initialize TFmode format to ibm_extended_format if not
3293 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
3295 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
3296 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
3297 (function_arg_advance): IBM long double passed in two FPRs, not
3299 (function_arg): IBM long double passed in FPRs.
3300 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
3301 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
3302 Only multireg GPR aligned.
3303 (rs6000_init_libfuncs): Enable IBM long double functions if not
3305 (rs6000_generate_compare): Use IBM long double compare if not
3307 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
3308 (TARGET_IEEEQUAD): Define.
3309 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
3310 not TARGET_IEEEQUAD.
3311 * config/rs6000/rs6000.md: Enable TFmode patterns if
3313 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
3314 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3315 and -mlong-double-128 are incompatible.
3316 * doc/invoke.texi (-mabi): Collect options together. Add
3317 ibmlongdouble and ieeelongdouble.
3319 2006-01-27 Richard Sandiford <richard@codesourcery.com>
3321 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
3323 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
3324 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
3325 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
3326 * rtl.h (rtunion_def): Remove rt_ptr.
3328 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
3329 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
3330 * config/i386/winnt.c (i386_pe_mark_dllexport)
3331 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
3333 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
3335 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
3337 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3341 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
3342 pthread_key_delete. From John David Anglin. gthrw-ify
3343 pthread_getunique_np only if it it's not a macro. Delete
3345 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
3346 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
3347 __gthread_objc_condition_signal, __gthread_key_delete): Add
3348 "__attribute__ ((__unused__))" to unused arguments.
3349 (__gthread_recursive_mutex_init_function): Add missing return.
3350 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
3351 gthr-posix95.h: Use macro-based approach for name redirection
3352 on targets missing weakref.
3354 2006-01-26 Zack Weinberg <zackw@panix.com>
3356 * genconditions.c (write_header): In generated code, #ifdef out
3357 all includes and fake declarations, except includes of bconfig.h
3358 and system.h, unless GCC_VERSION >= 3001. Do not include
3359 gensupport.h in any case.
3360 (write_conditions): Generate a definition of struct c_test. Add
3361 a comment to the generated #endif.
3362 (write_one_condition): Escape backslashes in string too.
3363 (write_writer): Generated code must escape backslashes and quote
3364 marks (but not newlines) in the strings it writes.
3365 * Makefile.in (build/gencondmd.o): Update dependencies.
3367 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3370 * Makefile.in (insn-automata.o): Add header file dependencies.
3371 * genautomata.c: Add includes.
3373 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3376 * Makefile.in (insn-automata.o): Add -Wno-error flag.
3378 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3380 * configure.ac: Expect target tools paths to be passed from the toplevel
3381 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
3383 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
3385 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3388 * c.opt (Wpointer-sign): Init to -1.
3389 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
3390 OPT_pedantic, to 0 otherwise.
3391 * doc/invoke.texi: Update.
3393 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3395 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
3396 constants provided by 80387 instructions in the destination mode.
3398 2006-01-26 Richard Guenther <rguenther@suse.de>
3399 Andrew Pinski <pinskia@physics.uc.edu>
3402 partial PR tree-opt/17064
3403 * tree-ssa-structalias.c (intra_create_variable_infos):
3404 Create heap variables for incoming parameters if
3405 flag_argument_noalias > 1.
3406 (find_what_p_points_to): Look through default defs of
3409 2006-01-26 Jeff Law <law@redhat.com>
3412 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
3413 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
3414 within the VR_RANGE, use the VR_RANGE as the result, not the
3416 (adjust_range_with_scev): Reject ranges from SCEV which are out of
3417 bounds for the type.
3419 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
3421 * tree-ssa-alias.c (maybe_create_global_var): Change
3422 subvar walking to an assertion that we don't have subvar'd variables.
3424 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
3427 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
3428 Use a new variable, inner. PARM_DECLs are always non-weak.
3430 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
3432 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
3435 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
3437 * config/mips/mips.md (*clear_upper32): New combiner pattern.
3439 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
3441 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
3442 (smax_insn, smin_insn, smax_0, smin_0): New.
3444 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
3447 * config/cris/cris.c (cris_order_for_addsi3): New function.
3448 * config/cris/cris-protos.h: Prototype it.
3449 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
3450 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
3451 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
3452 (split for "op.S1 [rx=rx+i],ry (swapped)")
3453 (split for "op(s|u).S1 [rx=rx+i],ry")
3454 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
3455 Apply cris_order_for_addsi3 when generating addsi3 insns.
3457 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3459 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
3460 (TREE_BLOCK): Add call to EXPR_CHECK.
3462 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3465 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
3466 * tree-pretty-print.c (dump_omp_clause): Extract from ...
3467 (dump_omp_clauses): ... here.
3468 (dump_generic_node): Handle OMP_CLAUSE.
3469 * tree.c (omp_clause_num_ops): New.
3470 (omp_clause_code_name): New.
3471 (tree_code_size): Handle OMP_CLAUSE.
3472 (tree_size): Likewise.
3473 (make_node): Document handling of OMP_CLAUSE.
3474 (tree_node_structure): Handle OMP_CLAUSE.
3475 (omp_clause_check_failed): New.
3476 (omp_clause_range_check_failed): New.
3477 (omp_clause_operand_check_failed): New.
3478 (build_omp_clause): New.
3479 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
3480 * tree.h (enum omp_clause_code): Declare.
3481 (OMP_CLAUSE_SUBCODE_CHECK): Define.
3482 (OMP_CLAUSE_RANGE_CHECK): Define.
3483 (OMP_CLAUSE_ELT_CHECK): Define.
3484 (omp_clause_check_failed): Declare.
3485 (omp_clause_operand_check_failed): Declare.
3486 (omp_clause_range_check_failed): Declare.
3487 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
3488 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
3489 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
3490 (OMP_CLAUSE_LASTPRIVATE): Likewise.
3491 (OMP_CLAUSE_IF_EXPR): Likewise.
3492 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
3493 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
3494 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
3495 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
3496 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
3497 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
3498 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
3499 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
3500 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
3501 (OMP_CLAUSE_CODE): Define.
3502 (OMP_CLAUSE_SET_CODE): Define.
3503 (OMP_CLAUSE_CODE): Define.
3504 (OMP_CLAUSE_OPERAND): Define.
3505 (struct tree_omp_clause): Declare.
3506 (union tree_node): Add field 'omp_clause'.
3507 * treestruct.def (TS_OMP_CLAUSE): Define.
3508 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
3509 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
3510 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
3511 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
3512 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
3513 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
3514 (OMP_CLAUSE): Define.
3515 * print-tree.c (print_node): Handle OMP_CLAUSE.
3516 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
3517 * c-typeck.c: Likewise.
3518 * gimplify.c: Likewise.
3519 * c-omp.c: Likewise.
3520 * tree-nested.c: Likewise.
3521 * tree-inline.c: Likewise.
3522 * c-parser.c: Likewise.
3523 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
3526 2006-01-25 Roger Sayle <roger@eyesopen.com>
3528 PR rtl-optimization/25703
3529 * combine.c (try_combine): Handle zero_extract and strict_low_part
3530 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
3532 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
3534 * global.c: Fix comment typos.
3536 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
3539 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
3540 Use output_addr_const instead of assemble_name.
3542 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
3544 * Makefile.in (sched-vis.o): Update dependencies.
3545 * haifa-sched.c (sched_finish): Clear current_sched_info.
3546 * cfg.c (dump_bb_info): New, split from dump_flow_info.
3547 (dump_flow_info): Call it.
3548 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
3550 * basic-block.h (dump_bb_info): Declare.
3551 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
3552 option, and apply options only for dump files whose TDF_RTL,
3553 TDF_TREE, or TDF_IPA bits match.
3554 * rtl.h: Declare new functions exported from sched-vis.c.
3555 * sched-vis.c: Enable also if scheduling is not used.
3556 (print_value): Print the mode of registers if not inside scheduling.
3557 (print_insn): Make it work outside the scheduler. Beautify the output
3559 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
3561 2006-01-25 Richard Sandiford <richard@codesourcery.com>
3563 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
3564 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
3565 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
3566 depending on the value of CONSTANT_POOL_ADDRESS_P.
3567 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
3569 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
3570 rather than SYMBOL_REF_DECL.
3571 (rtx_constant_pool): Remove const_rtx_sym_htab.
3572 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
3573 (init_varasm_status): Don't initialize const_rtx_sym_htab.
3574 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
3575 Remove handling of const_rtx_sym_htab.
3576 (find_pool_constant): Delete.
3577 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
3578 rather than find_pool_constant.
3579 (get_pool_constant_for_function): Delete.
3580 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
3582 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
3583 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
3584 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
3585 (SYMBOL_REF_CONSTANT): New macro.
3586 (get_pool_constant_for_function): Delete.
3587 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
3588 rather than SYMBOL_REF_DECL.
3589 (i386_pe_mark_dllimport): Likewise.
3590 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
3591 rather than SYMBOL_REF_DECL.
3592 * config/darwin.c (machopic_indirect_data_reference): Likewise.
3593 (machopic_indirect_call_target): Likewise.
3595 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
3597 * flow.c (delete_noop_moves): Add missing EOL to dump message.
3599 2006-01-25 Richard Sandiford <richard@codesourcery.com>
3601 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
3603 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
3605 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
3607 2006-01-24 David Daney <ddaney@avtrex.com>
3610 * configure.ac (enable_tls): New enable option.
3611 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
3612 * configure: Regenerate.
3613 * doc/install.texi (--enable-tls): Document new option.
3614 (--disable-tls): Ditto.
3616 2006-01-24 Richard Henderson <rth@redehat.com>
3618 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
3619 * alias.c (true_dependence): Respect it.
3620 (canon_true_dependence, write_dependence_p): Likewise.
3621 * builtins.c (get_builtin_sync_mem): Set it.
3623 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
3625 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
3628 2006-01-24 DJ Delorie <dj@redhat.com>
3630 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
3631 for storing constants in single-bit bitfields.
3633 2006-01-25 Ben Elliston <bje@au.ibm.com>
3635 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
3637 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
3640 * tree-ssa-pre.c (phi_translate): Return NULL
3641 for AGGREGATE_TYPE's.
3643 2006-01-24 Zack Weinberg <zackw@panix.com>
3645 * genautomata.c (process_state_for_insn_equiv_partition):
3646 Use xcalloc for insn_arcs_array.
3647 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
3648 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
3650 2006-01-24 Richard Henderson <rth@redhat.com>
3652 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
3655 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
3657 PR rtl-optimization/25890
3658 PR rtl-optimization/25905
3659 * combine.c (expand_compound_operation, expand_field_assignment):
3660 Fail if the bitfield's final position is out of bounds.
3662 2006-01-24 Ian Lance Taylor <ian@airs.com>
3665 * cgraphunit.c (cgraph_output_in_order): Don't clear
3666 cgraph_asm_nodes until after asm strings have been output.
3668 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
3670 * fix-header.c (read_scan_file): Add new parameter imultilib when
3671 calling register_include_chains.
3673 2006-01-23 Diego Novillo <dnovillo@redhat.com>
3675 * omp-low.c: Update documentation.
3677 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
3678 Daniel Berlin <dberlin@dberlin.org>
3682 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
3683 return from the function.
3685 2006-01-22 Zack Weinberg <zackw@panix.com>
3687 * rtl.def (match_code): Add second argument.
3688 * genpreds.c (write_extract_subexp): New function.
3689 (write_match_code): Add path argument. Use write_extract_subexp.
3690 (write_predicate_expr): Pass path to write_match_code.
3691 (mark_mode_tests): MATCH_CODE applied to a subexpression does
3692 not perform a mode test.
3693 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
3694 a subexpression does not constrain the top-level code set.
3695 * read-rtl.c (read_rtx_variadic): New function.
3696 (read_rtx_1): Use it; allow AND and IOR to be variadic.
3697 * doc/md.texi: Document new notation.
3698 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
3699 (cmpsi_operand): ... here, using new notation.
3701 2006-01-22 Zack Weinberg <zackw@panix.com>
3703 * varray.c: Remove GENERATOR_FILE #ifdefs.
3705 2006-01-22 Zack Weinberg <zackw@panix.com>
3707 * genautomata.c (output_reserved_units_table): Emit nothing if
3708 description->query_units_num is zero. Remove extra blank line.
3709 (output_cpu_unit_reservation_p): Short circuit
3710 if description->query_units_num is zero.
3712 2006-01-22 Zack Weinberg <zackw@panix.com>
3714 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
3715 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
3716 nor any of the random handful of variables that used to be necessary
3717 when this program was linked with rtlanal.o. Prune set of forward
3718 function declarations.
3719 (struct attr_desc): Remove static_p field.
3720 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
3721 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
3722 (attr_string): Do not read the character one past the length of
3724 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
3725 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
3726 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
3727 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
3728 (make_automaton_attrs): New.
3729 (main): Do not call into genautomata. Call local gen_bypass
3730 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
3731 Remove special case for insn_alts.
3732 * genautomata.c: Include gensupport.h; not genattrtab.h nor
3733 varray.h (leftover from previous change). Prune set of forward
3734 function declarations. Remove state_alts fields from all
3735 structures. Remove state_alts_table from struct automaton.
3736 Make everything except main static. Do not maintain num_dfa_decls.
3737 Do not maintain state_alts fields of various structures.
3738 (process_decls): Don't validate condexp for dm_insn_reserv decls.
3739 (add_arc): Remove state_alts argument. All callers updated.
3740 (output_reserved_units_table): Emit #ifdef here...
3741 (output_tables): ...not here. Don't generate state_alts tables.
3742 (expand_automata): Don't generate attributes.
3743 (write_automata): Don't generate state_alts functions.
3744 (main): New function.
3745 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
3746 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
3747 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
3748 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
3749 (BYPASS_P_FUNC_NAME, output_state_alts_table)
3750 (output_automata_list_state_alts_code, output_internal_state_alts_func)
3751 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
3752 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
3754 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
3755 * genattrtab.h: Delete file.
3756 * Makefile.in (OBJS-common): Add insn-automata.o.
3757 (insn-automata.o): New rule.
3758 (simple_generated_c): Add insn-automata.c.
3759 (build/genattrtab.o, build/genautomata.o): Update dependencies.
3760 (genprogmd): Add automata.
3761 (build/genattrtab): Needs no extra objects nor libraries.
3762 (build/genautomata): Needs build/vec.o and -lm.
3764 2006-01-22 Zack Weinberg <zackw@panix.com>
3766 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
3767 (output_dfa_max_issue_rate, locked_states_num): Delete.
3768 (struct automaton): Add locked_states field.
3769 (output_dead_lock_vect): Save number of locked states in
3770 automaton->locked_states. If it is zero, don't print anything.
3771 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
3772 (output_internal_dead_lock_func): Only test the dead_lock_vect
3773 for automata that have locked states.
3774 (output_statistics): Always print the number of locked states for
3775 each automaton. Calculate total number of locked states here.
3776 (write_automata): Don't call output_dfa_max_issue_rate.
3777 * genattrtab.c: Define length_unit_log as a const variable.
3778 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
3779 max_insn_queue_index const.
3780 * final.c (length_unit_log): Declare const.
3781 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
3783 2006-01-22 Zack Weinberg <zackw@panix.com>
3785 * genautomata.c: Include vec.h, not varray.h.
3786 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
3787 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
3788 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
3789 VEC_* macros operating on appropriately typed vectors, or to
3790 malloced arrays when the size is known in advance. Const-ify
3791 many char* variables and function arguments. No functional changes.
3792 * Makefile.in (build/varray.o): Delete rule.
3793 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
3794 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
3796 2006-01-22 Zack Weinberg <zackw@panix.com>
3798 * gensupport.c: Define get_insn_name and record_insn_name here.
3799 (read_md_rtx): Call record_insn_name as appropriate.
3800 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
3801 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
3802 * genpreds.c, genrecog.c: Don't define get_insn_name nor
3804 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
3805 (BUILD_VARRAY): Delete.
3806 (genprognormal): Rename genprogmd. Fold in all programs from
3807 genprognoprint; also attrtab.
3808 (build/genattrtab): Just mention genautomata.o and varray.o.
3809 Reorganize a bit, add comments to make the categories clearer.
3811 2006-01-22 Zack Weinberg <zackw@panix.com>
3813 * genconditions.c (condition_table, add_condition): Delete.
3814 (write_conditions): Don't emit n_insn_conditions nor
3815 insn_elision_unavailable. Issue the gcc version #ifdef here,
3816 inside the table, with no #else clause ...
3817 (write_header): ...not here.
3818 (write_writer): New function.
3819 (main): Don't initialize condition_table. Use add_c_test.
3821 * gensupport.c (init_md_reader_args_cb): Handle multiple input
3822 files on the command line.
3823 (maybe_eval_c_test): Don't check insn_elision_unavailable.
3824 Return -1 if there is no entry in the table, don't abort.
3825 (add_c_test, traverse_c_tests): New functions.
3826 * gensupport.h (insn_elision_unavailable, insn_conditions)
3827 (n_insn_conditions): Delete declarations.
3828 (add_c_test, traverse_c_tests): Declare.
3829 * read-rtl.c: Include gensupport.h.
3830 (read_conditions): New function.
3831 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
3832 (read_rtx_1): If we get EOF when we were looking for an initial
3833 open paren, return 0. Call read_conditions when appropriate.
3834 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
3835 dummy-conditions.o. Eliminate references to insn-conditions.o,
3836 or change them to build/gencondmd.o, as appropriate. Remove
3837 insn-constants.h from $(simple_generated_h) and insn-conditions.c
3838 from $(simple_generated_c). For all files remaining in those
3839 two lists, add insn-conditions.md to the generator command line.
3840 Give insn-constants.h/s-constants their own rules. Add rules
3841 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
3842 (build/read-rtl.o): Depend on gensupport.h.
3843 (genprognormal): Include preds.
3844 (genprogearly): Rename genprognoprint; only difference is now that
3845 they don't link with $(BUILD_PRINT).
3846 * dummy-conditions.c: Delete.
3848 2006-01-22 Zack Weinberg <zackw@panix.com>
3850 * genextract.c: Don't include insn-config.h. Do include vec.h.
3851 Declare vectors of int, char, and locstr.
3852 (locstr): New typedef.
3853 (struct extraction): Make all array fields into bare pointers.
3854 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
3855 (insn_code_number): Delete.
3856 (accum_extract): New struct.
3857 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
3858 (gen_insn): Take insn_code_number as an argument. Use an
3859 accum_extract structure instead of loading data directly into
3860 a struct extraction, and having to know how big it might get.
3861 (walk_rtx): Operate entirely on an accum_extract structure.
3862 (print_path): Avoid unnecessary use of printf.
3863 (print_header): New function, split out of main. Distinguish
3864 more carefully between an unrecognizable insn and an insn that
3865 has the code number of a define_expand.
3866 (main): Pass insn_code_number to gen_insn. Call print_header
3867 only after parsing. Avoid unnecessary use of printf.
3868 * Makefile.in (build/vec.o): New rule.
3869 (build/genextract): Depend on build/vec.o.
3870 (build/genextract.o): Don't depend on insn-config.h.
3872 2006-01-22 Zack Weinberg <zackw@panix.com>
3874 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
3875 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
3876 practical. Eliminate per-generator-program link rules.
3878 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
3881 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3882 with a call expr to ...
3883 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3885 2006-01-23 Richard Guenther <rguenther@suse.de>
3887 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
3888 before make_edge with conditional EDGE_TRUE_VALUE.
3890 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
3891 Jan Hubicka <jh@suse.cz>
3892 Richard Guenther <rguenther@suse.de>
3894 PR rtl-optimization/25654
3895 * cfgexpand.c (aggregate_contains_union_type): New function.
3896 (add_alias_set_conflicts): Call it. Make sure to add conflicts
3897 for structure variables that contain a union type.
3899 2006-01-23 Richard Sandiford <richard@codesourcery.com>
3901 * gengtype.c (new_structure): Return the structure.
3902 (create_option): Add an extra "next" argument.
3903 (create_field): New function.
3904 (adjust_field_rtx_def): Use create_option and create_field.
3905 Remove a now-unnecessary call to find_structure.
3906 (adjust_field_tree_def): Likewise.
3907 (note_yacc_type): Remove an unnecessary call to find_structure.
3908 * gengtype.h (new_structure): Return the structure.
3909 (create_option): Add an extra argument.
3910 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
3911 (option): Adjust calls to create_option.
3913 2006-01-22 David Edelsohn <edelsohn@gnu.org>
3915 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
3917 2006-01-22 Paul Brook <paul@codesourcery.com>
3918 Peter Barada <peter@the-baradas.com>
3920 * config/m68k/m68k.md: Add Coldfire FPU support.
3921 Define FP mode macro and associated attributes.
3922 Use it for float mode patterns.
3923 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
3924 (LIBCALL_VALUE): Use m68k_libcall_value.
3925 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
3926 (m68k_function_value): Ditto.
3927 (emit_move_sequence): Ditto.
3928 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
3929 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
3930 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
3931 (MULTILIB_EXCEPTIONS): Ditto.
3932 * config/m68k/m68k.opt: Add mcfv4e.
3933 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
3934 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
3935 (m68k_output_function_prologue): Save ColdFire FPU registers.
3936 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
3937 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
3938 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
3939 ColdFire FPU registers.
3940 (m68k_libcall_value, m68k_function_value): New functions.
3941 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
3942 (LIBCALL_VALUE): Use m68k_libcall_value.
3943 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
3944 (MASK_COLDFIRE): Add MASK_CFV4E.
3945 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
3946 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
3947 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
3948 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
3949 (GO_IF_LEGITIMATE_ADDRESS): Use it.
3950 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
3951 * doc/invoke.tex: Document -mcfv4e on m68k.
3953 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
3955 * doc/contribute.texi: Change CVS to SVN and update the corresponding
3958 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
3961 * c-opts.c (c_common_handle_option): Don't include
3962 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
3963 * doc/invoke.texi (C++ Dialect Options): Document that
3964 -Wnon-virtual-dtor is no longer included in -Wall.
3966 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
3968 * gcov.c (print_version), gcov-dump.c (print_version),
3969 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
3972 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
3974 * df-scan.c (problem_SCAN): Added NULL reset function.
3975 (df_scan_reset_blocks): Added code to call reset block function
3976 (df_bb_refs_delete) Fixed comment.
3977 (df_insn_refs_delete): Made tolerant of deleting non existent info
3978 for dataflow problems that need to be reset.
3979 * df-core.c (df_set_blocks): Ditto.
3980 * df.h (struct df_problem): Added reset_fun.
3981 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
3982 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
3983 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
3984 functions to clear out all references to def-use or use-def chains.
3986 2006-01-21 Ben Elliston <bje@au.ibm.com>
3988 * varasm.c (assemble_real): Initialise data array.
3990 2006-01-20 Paul Brook <paul@codesourcery.com>
3992 Merge from csl-arm-branch.
3993 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
3994 * config/arm/arm.md (movdi): Force operands[1] to a register
3995 if we have a non-register source.
3996 (*arm_movdi, *movdf_soft_insn): Require that one of the
3997 operands be a register.
3998 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
3999 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
4001 2006-01-20 DJ Delorie <dj@redhat.com>
4003 * varasm.c (initialize_constant_valid_p): Allow pointers
4004 initialized from integer constants of lesser precision.
4005 (output_constant): Allow non-int-sized pointer modes to be
4006 initialized from integer constants.
4008 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
4011 * cppdefault.h (struct default_include): Add multilib flag.
4012 * cppdefault.c (cpp_include_defaults): Set it.
4013 * c.opt (-imultilib): New option.
4014 * c-opts.c (imultilib): New.
4015 (c_common_handle_option): Handle -imultilib.
4016 (c_common_post_options): Likewise.
4017 * c-incpath.c (add_standard_paths, register_include_chains):
4019 * c-incpath.h (register_include_chains): Add extra parameter.
4020 * gcc.c (do_spec_1): Generate -imultilib option.
4021 (The Specs Language): Update %I description.
4022 (process_command): Update copyright notice.
4023 * doc/cppopts.texi (-imultilib): Document.
4024 * doc/invoke.texi (-imultilib): Include in option summary.
4025 (%I): Update specs documentation.
4027 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4029 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
4031 2006-01-20 Richard Sandiford <richard@codesourcery.com>
4033 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
4036 2006-01-20 Richard Guenther <rguenther@suse.de>
4037 Steven Bosscher <stevenb.gcc@gmail.com>
4039 PR rtl-optimization/24626
4040 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
4041 EDGE_TRUE_VALUE if in RTL mode.
4044 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
4045 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
4047 2006-01-20 Dirk Mueller <dmueller@suse.com>
4050 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
4051 instead of a special NOP marker.
4052 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
4053 NOP marker handling.
4054 * c-common.h (empty_body_warning): Add forward declaration.
4055 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
4056 Now uses IS_EMPTY_STMT() instead of special NOP markers.
4058 2006-01-20 Paul Brook <paul@codesourcery.com>
4060 * Makefile.in (lang_checks): Keep going if mkdir fails.
4062 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4064 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
4065 be able to clean out basic block when not necessary.
4066 (df_scan_free): Fixed to properly delete information if df is
4067 unused before calling df_finish.
4068 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
4069 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
4071 (df_bb_refs_delete): New function.
4072 (df_refs_delete): Moved per block code to df_bb_refs_delete.
4073 * df-core.c (df_set_blocks): Added code to properly clean out
4074 unused blocks if they are not part of the blocks to consider.
4075 Added additional null check.
4076 (df_compact_blocks): Added basic block parameter to free_bb_fun to
4077 be able to clean out basic block when not necessary
4078 * df.h (df_free_bb_function): Ditto.
4079 (df_bb_refs_delete): New function.
4080 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
4081 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
4082 basic block parameter to be able to clean out basic block when not
4084 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
4085 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
4086 Fixed to properly delete information if df is unused before
4089 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4091 PR rtl-optimization/25799
4092 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
4093 Corrected confluence operator to remove bits from op2 before oring
4094 with op1 rather than removing bits from op1.
4095 (df_ru_transfer_function): Corrected test on wrong bitmap which
4096 caused infinite loop. Both of these problems were introduced in
4097 the dataflow rewrite.
4099 2006-01-19 DJ Delorie <dj@redhat.com>
4101 * reload1.c (find_reload_regs): Note the details of reload
4102 failures in the dump file.
4103 (spill_failure): Likewise.
4105 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4107 * loop-iv.c: Include df.h and hashtab.h.
4108 (enum iv_grd_result): New enum.
4109 (DF_REF_IV, DF_REF_IV_SET): New macros.
4110 (struct biv_entry): New.
4111 (df, bivs): New global variables.
4112 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
4113 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
4115 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
4116 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
4117 analyzed_for_bivness_p, record_biv): New functions.
4118 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
4119 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
4120 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
4122 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
4124 (iv_number_of_iterations): Use new interface to iv analysis.
4125 * loop-unroll.c: Do not include varray.h.
4126 (analyze_iv_to_split_insn): Use new interface to iv
4128 * loop-unswitch.c (may_unswitch_on): Ditto.
4129 * df.c (df_bitmaps_free): Only work for bbs for that structures are
4131 (df_bb_modify): Realloc tables to the new index.
4132 (df_find_use): New function.
4133 * df.h (df_find_use): Declare.
4134 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
4136 * cfgloop.h (struct rtx_iv): Remove analysed field.
4137 (iv_get_reaching_def): Removed.
4138 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
4139 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
4140 (loop-iv.o): Add df.h and hashtab.h dependency.
4141 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
4143 2006-01-20 Alan Modra <amodra@bigpond.net.au>
4146 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
4148 (__floatundisf, __floatundidf): Likewise.
4149 * libgcc2.h (IS_IBM_EXTENDED): Define.
4151 2006-01-19 DJ Delorie <dj@redhat.com>
4153 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
4155 2006-01-19 Paul Brook <paul@codesourcery.com>
4157 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
4158 as nothrow when unwinding tables are disabled.
4160 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4163 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
4164 of bit-field" when in system header.
4166 2006-01-19 DJ Delorie <dj@redhat.com>
4168 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
4169 the 16 bit shift limit of the m16c.
4171 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
4174 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
4175 * config/i386/i386.c (output_set_got): Output the label if we have one
4176 for the TARGET_DEEP_BRANCH_PREDICTION case.
4178 2006-01-19 Jan Hubicka <jh@suse.cz>
4179 H.J. Lu <hongjiu.lu@intel.com>
4180 Evandro Menezes <evandro.menezes@amd.com>
4182 * invoke.texi (generic): Document
4184 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
4185 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
4186 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
4187 (x86_use_incdec, x86_pad_returns): New variables
4188 (TARGET_CPU_DEFAULT_generic): New constant
4189 (TARGET_CPU_DEFAULT_NAMES): Add generic.
4190 (enum processor_type): Add generic32 and generic64.
4191 * i386.md (cpu attribute): Add generic32/generic64
4192 (movhi splitter): Behave sanely when both partial_reg_dependency and
4193 partial_reg_stall are set.
4194 (K8 splitters): Enable for generic as well.
4195 * predicates.md (incdec_operand): Use TARGET_INCDEC
4196 (aligned_operand): Avoid memory mismatch stalls.
4197 * athlon.md: Enable for generic64, new patterns for 128bit moves.
4198 * ppro.md: Enable for generic32
4199 * i386.c (generic64_cost, generic32_cost): New.
4200 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
4201 (x86_use_leave): Enable for generic64. (x86_use_sahf,
4202 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
4203 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
4204 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4205 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4206 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4207 x86_accumulate_outgoing_args, x86_prologue_using_move,
4208 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4209 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
4211 (x86_use_incdec, x86_pad_returns): New.
4212 (override_options): Add generic32 and generic64, translate "generic"
4213 to generic32/generic64 and "i686" to "generic32", refuse
4214 "generic32"/"generic64" as arch target.
4215 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
4216 (ix86_reorg): Honor PAD_RETURNS.
4218 2006-01-19 Diego Novillo <dnovillo@redhat.com>
4220 * tree-pretty-print.c (dump_generic_node): Handle
4221 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
4222 * cgraph.c (cgraph_expand_queue): Rename from
4223 cgraph_analyze_queue. Update all users.
4224 * cgraphunit.c (cgraph_assemble_pending_functions): Process
4225 cgraph_expand_queue.
4226 (cgraph_expand_all_functions): Likewise.
4227 (cgraph_finalize_pending_functions): Remove. Update callers.
4229 * tree.h (OMP_DIRECTIVE_P): Define.
4230 (OMP_PARALLEL_FN): Define.
4231 (OMP_PARALLEL_DATA_ARG): Define.
4232 (OMP_SECTIONS_SECTIONS): Define.
4233 * tree-pass.h (pass_expand_omp): Declare.
4234 * omp-low.c (struct omp_region): Declare.
4235 (struct omp_context): Remove fields 'parallel_type',
4236 'parallel_start_ix' and 'parallel_start_additional_args'.
4238 (struct omp_for_data): Rename from struct expand_omp_for_data.
4239 (omp_regions): New static variable.
4240 (root_omp_region): New static variable.
4241 (find_omp_clause): Make static.
4242 (is_in_combined_parallel_ctx): Remove.
4243 (is_combined_parallel): New.
4244 (extract_omp_for_data): Move earlier in the file.
4245 (workshare_safe_to_combine_p): New.
4246 (get_ws_args_for): New.
4247 (determine_parallel_type): Move earlier in the file.
4248 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
4250 (omp_copy_decl): Likewise.
4251 (create_omp_child_function): Likewise.
4252 (lookup_omp_region): New.
4253 (dump_omp_region): New.
4254 (debug_omp_region): New.
4255 (debug_all_omp_regions): New.
4256 (new_omp_region): New.
4257 (scan_omp_parallel): If parallel_nesting_level > 1, the
4258 directive is nested within another parallel directive.
4259 Set OMP_PARALLEL_FN.
4260 (scan_omp_for): Do not try to handle combined parallel+for
4262 Remove FIXME comment.
4263 (scan_omp_nested): Remove.
4264 (scan_omp_1): Do not call scan_omp_nested when
4265 parallel_nesting_level is > 1.
4266 Do not change the DECL_CONTEXT of local variables found.
4267 (lookup_decl_in_outer_ctx): New.
4268 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
4269 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
4270 (lower_reduction_clauses): Rename from expand_reduction_clauses.
4271 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
4272 If CTX is nested, lookup VAR in the outer context when
4273 building copy assignment.
4274 (lower_send_clauses): Rename from expand_send_clauses.
4275 If CTX is nested, lookup VAR in the outer context when
4276 building copy assignments.
4277 (lower_send_shared_vars): Rename from expand_send_shared_vars.
4278 If CTX is nested, lookup VAR in the outer context when
4279 building copy assignments.
4280 (expand_parallel_call): Rename from build_parallel_call.
4281 Handle combined parallel+workshare cases.
4282 Re-implement to emit code into the CFG.
4284 (expand_omp_parallel): Re-implement to emit code into the CFG.
4285 Call move_sese_region_to_fn to outline the sub-graph
4286 containing the parallel region.
4287 (expand_omp_for_1): Remove.
4288 (expand_omp_for_generic): Re-implement to emit code into the
4290 (expand_omp_for_static_nochunk): Likewise.
4291 (expand_omp_for_static_chunk): Likewise.
4292 (expand_omp_for): Likewise.
4293 (expand_omp_sections): Likewise.
4294 (remove_exit_barriers): New.
4295 (expand_omp_synch): New.
4297 (build_omp_regions_1): New.
4298 (build_omp_regions): New.
4299 (execute_expand_omp): New.
4300 (gate_expand_omp): New.
4301 (pass_expand_omp): Define.
4302 (lower_omp_sections): Rename from expand_omp_sections.
4303 Set OMP_SECTIONS_SECTIONS.
4304 (lower_omp_single_simple): Rename from expand_omp_single_simple.
4305 (lower_omp_single_copy): Rename from expand_omp_single_copy.
4306 (lower_omp_single): Rename from expand_omp_simple.
4307 (lower_omp_master): Rename from expand_omp_master.
4308 (lower_omp_ordered): Rename from expand_omp_ordered.
4309 (lower_omp_critical): Rename from expand_omp_critical.
4310 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
4311 (lower_omp_for): Re-implement.
4312 (lower_omp_parallel): Re-implement.
4313 (lower_regimplify): Rename from expand_regimplify.
4314 (lower_omp_1): Rename from expand_omp_1.
4315 If there are syntax errors in the program, replace every
4316 OpenMP directive with NOP.
4317 Call lower_omp_* instead of expand_omp_*.
4318 (lower_omp): Rename from expand_omp.
4320 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
4321 * tree-gimple.h (enum omp_parallel_type): Remove.
4322 (gimple_boolify): Declare extern.
4323 (find_omp_clause, determine_parallel_type): Remove.
4325 * gimple-low.c (lower_omp_directive): New.
4326 (lower_stmt): Call it.
4327 (record_vars_into): Move from ...
4328 (record_vars): ... here.
4329 Call record_vars_into with current_function_decl.
4331 * gimplify.c (struct gimplify_ctx): Remove fields
4332 combined_pre_p and combined_ctxp. Update users.
4333 (get_formal_tmp_var): Add documentation.
4334 (gimple_boolify): Make extern.
4335 (gimplify_expr_in_ctx): Remove. Update callers.
4336 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
4337 will always be a BIND_EXPR.
4338 (gimplify_expr): Handle OMP_RETURN_EXPR.
4339 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
4340 (OMP_PARALLEL): Add 3 operands.
4341 (OMP_SECTIONS): Add 1 operand.
4342 (OMP_RETURN_EXPR): Define.
4344 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
4345 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
4346 * tree-iterator.c (alloc_stmt_list): Assert that we are not
4347 creating a circular free list.
4348 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
4350 * tree-flow.h (move_sese_region_to_fn): Declare.
4351 (record_vars_into): Declare.
4352 * tree-cfg.c (make_omp_sections_edges): New.
4353 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
4354 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
4355 OMP_SECTIONS and OMP_SECTION.
4356 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
4357 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
4358 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
4359 (gather_blocks_in_sese_region): New.
4360 (struct move_stmt_d): Declare.
4362 (move_block_to_fn): New.
4363 (move_sese_region_to_fn): New.
4365 * passes.c (init_optimization_passes): Schedule
4366 pass_expand_omp after pass_init_datastructures.
4368 * tree-ssa-operands.c (get_expr_operands): Handle
4369 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
4370 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
4372 2006-01-19 Jeff Law <law@redhat.com>
4374 * tree-vrp.c (extract_range_from_assert): Refine the result range
4375 if the variable referenced by the ASSERT_EXPR has a range and
4376 either the tentative result range or the previous range is a
4379 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4381 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
4383 2006-01-19 Jan Hubicka <jh@suse.cz>
4385 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
4387 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
4389 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
4390 (expand_compound_operation, expand_field_assignment): Fail if the
4391 bit lengths of an extract operation are out of range.
4392 (make_extraction): Compute wanted_inner_mode based on the position
4393 and length of the extraction. Make it extraction_mode for non-constant
4394 positions, and do not modify offset in that case. When generating a
4395 new MEM, use a mode that can hold the extraction while keeping correct
4396 alignment. Remove code that supported MEMs wrapped by USEs.
4397 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
4399 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
4401 * config/s390/s390.md ("Y", "y"): New mode attribute.
4402 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
4403 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
4404 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
4405 "*addsi3_imm_cc", "*addsi3_carry1_cc",
4406 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
4407 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
4408 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
4409 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
4410 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
4411 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
4412 "addsi3", "subsi3"): Insn patterns removed.
4413 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
4414 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
4415 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
4416 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
4417 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
4418 "*sub<mode>3_cconly2"): New insn patterns.
4419 ("addsi3", "subsi3"): New expanders.
4421 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
4423 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
4424 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
4425 existing STMT_VINFO_VECTYPE if available.
4426 (vect_mark_relevant): Add special handling for stmts that are
4427 marked as STMT_VINFO_IN_PATTERN_P.
4428 (vect_analyze_loop): Call vect_pattern_recog.
4429 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
4430 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
4432 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
4433 (vect_recog_func_ptr): New function-pointer type.
4434 * tree-vect-patterns.c: New file.
4435 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
4436 (vect_recog_dot_prod_pattern, vect_pattern_recog):
4437 (vect_pattern_recog_1): New functions.
4438 (vect_pattern_recog_funcs): New array of function pointers.
4440 * tree-vectorizer.h (ternary_op): New enum value.
4441 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
4442 declaration. Revised documentation. Removed redundant dump prints.
4443 Removed redundant argument. Added support for reduction patterns.
4444 (vectorizable_reduction): Added support for reduction patterns.
4445 (vect_transform_stmt): Added support for patterns.
4447 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
4448 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
4449 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
4450 (expand_widen_pattern_expr): New function.
4451 (init_optabs): Initialize new optabs udot_prod_optab,
4453 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
4454 (sdot_prod_optab, udot_prod_optab): Define new optabs.
4455 (expand_widen_pattern_expr): New function declaration.
4456 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
4458 * tree-inline.c (estimate_num_insns_1): Added cases for new
4459 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4460 * tree-pretty-print.c (dump_generic_node): Likewise.
4461 (op_prio): Likewise.
4462 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4463 * tree-ssa-operands.c (get_expr_operands): Added case for
4465 * tree-vect-patterns.c (widened_name_p): New function.
4466 (vect_recog_dot_prod_pattern): Added function implementation.
4467 * tree-vect-transform.c (get_initial_def_for_reduction): Added
4468 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
4469 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
4470 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
4472 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
4473 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
4474 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
4475 (init_optabs): Initialize new optabs widen_ssum_optab,
4477 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
4478 (widen_ssum_optab, widen_usum_optab): Define new optabs.
4479 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
4480 use instead of type of def.
4481 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
4482 function implementation.
4483 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
4484 widen_ssumv8hi): New.
4486 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
4489 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4492 * c-decl.c (add_flexible_array_elts_to_size): New function.
4493 (finish_decl): Use it.
4495 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
4497 * diagnostic.h: Include options.h.
4498 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
4499 dependancies for diagnostic.h.
4500 * Makefile.in (DIAGNOSTIC_H): Add options.h.
4502 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
4504 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
4505 (ssa_ro_call_cache_valid): Ditto.
4506 * tree-ssa-alias.c (sort_tags_by_id): New function.
4507 (init_transitive_clobber_worklist): Ditto.
4508 (add_to_worklist): Ditto.
4509 (mark_aliases_call_clobbered): Ditto.
4510 (compute_tag_properties): Ditto.
4511 (set_initial_properties): Ditto.
4512 (compute_call_clobbered): Ditto.
4513 (compute_may_aliases): Call compute_call_clobbered and grouping.
4514 (compute_flow_sensitive_aliasing): Remove clobbering related code.
4515 (compute_flow_insensitive_aliasing): Grouping now happens in our
4517 (setup_pointers_and_addressables): Remove clobbering related code.
4518 (add_may_alias): Ditto.
4519 (replace_may_alias): Ditto.
4520 (get_nmt_for): Ditto.
4521 (create_global_var):
4522 (is_escape_site): Return an escape_type enumeration.
4523 * tree-flow-inline.h (is_call_clobbered): Global var does not
4524 imply call clobbered.
4525 (mark_call_clobbered): Take a reason for marking this. Remove
4526 marking of globalness, and cache invalidation.
4527 (clear_call_clobbered): Remove cache invalidation code.
4528 * tree-dfa.c (dump_variable): If details is on, dump the reason
4530 * tree-outof-ssa.c (create_temp): Copy escape mask from original
4532 * tree-flow.h (struct ptr_info_def): Add escape mask member.
4533 (struct var_ann_d): Ditto.
4534 (enum escape_type): New.
4535 (mark_call_clobbered): Adjust prototype.
4536 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
4537 are never call clobbered.
4538 Record reasons for escaping.
4539 * tree-ssa-structalias.h (is_escape_site): Update prototype.
4540 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
4541 (ssa_ro_call_cache_valid): Ditto.
4542 (clobbered_v_may_defs): Ditto.
4543 (clobbered_vuses): Ditto.
4544 (ro_call_vuses): Ditto.
4545 (clobber_stats): New.
4546 (init_ssa_operands): Zero out clobber stats.
4547 (fini_ssa_operands): Print out clobber stats.
4548 (get_call_expr_operands): Pass callee fndecl to
4550 (add_call_clobber_ops): Remove use of cache.
4551 Add use of PURE_CONST information.
4552 (add_call_read_ops): Remove use of cache.
4553 Add use of static not_read information.
4555 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
4557 Introduce TLS descriptors for i386 and x86_64.
4558 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
4559 (TARGET_ANY_GNU_TLS): New macro.
4560 (enum tls_dialect): Added TLS_DIALECT_GNU2.
4561 (struct machine_function): Add tls_descriptor_call_expanded_p.
4562 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
4563 (ix86_current_function_calls_tls_descriptor): Likewise.
4564 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
4565 (override_options): Introduce gnu2 tls dialect.
4566 (ix86_frame_pointer_required): Functions containing TLSCALLs are
4568 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
4570 (legitimize_tls_address): Adjust logic for GNU2 TLS.
4571 (ix86_init_machine_status): Initialize new field.
4572 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
4573 (ix86_tls_module_base): New.
4574 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
4575 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
4576 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
4577 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
4578 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
4579 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
4580 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
4581 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
4582 * config/i386/predicates.md (tls_modbase_operand): New.
4583 (tp_or_register_operand): New.
4585 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
4587 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
4588 (look_for_address_of): Ditto.
4589 (ipa_init): Walk the function decls.
4590 (static_execute): Don't set readonly on FUNCTION_DECL's.
4592 2006-01-18 Roger Sayle <roger@eyesopen.com>
4594 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
4595 for shifts where the source and destination registers are different.
4597 2006-01-18 Paul Brook <paul@codesourcery.com>
4599 Merge from csl-arm-branch.
4600 2005-03-14 Julian Brown <julian@codesourcery.com>
4601 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
4602 (aeabi_llsl): Likewise.
4603 (ashrdi3): Likewise.
4604 (aeabi_lasr): Likewise.
4605 (lshrdi3): Likewise.
4606 (aeabi_llsr): Likewise.
4607 2005-03-10 Julian Brown <julian@codesourcery.com>
4608 * config.gcc: Disable shared libgcc for SymbianOS.
4609 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
4611 2006-01-18 DJ Delorie <dj@redhat.com>
4613 * c-pragma.c (handle_pragma_diagnostic): New.
4614 (init_pragma): Register it.
4615 * doc/extend.texi: Document it.
4617 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
4618 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
4619 (diagnostic_context): Add classify_diagnostic[].
4620 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
4621 as errors if they're overridden to DK_WARNING.
4622 (diagnostic_initialize): Initialize classify_diagnostic[].
4623 (diagnostic_set_kind_override): New.
4624 (diagnostic_report_diagnostic): Check for kind changes.
4625 * opts.c (common_handle_option): Take lang_mask. Update callers.
4627 * common.opt (Werror=): New.
4628 * doc/invoke.texi: Document -Werror=*
4630 2006-01-18 Jeff Law <law@redhat.com>
4632 * tree-vrp.c (test_for_singularity): Correct test for new
4633 min limit. Use operand_equal_p rather than pointer equality
4634 for testing if new min/max values are equal.
4636 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
4637 using range information until after propagation and folding.
4639 2006-01-18 Richard Henderson <rth@redhat.com>
4640 Aldy Hernandez <aldyh@redhat.com>
4641 Jakub Jelinek <jakub@redhat.com>
4642 Diego Novillo <dnovillo@redhat.com>
4644 * omp-low.c: New file.
4645 * c-omp.c: New file.
4647 2006-01-18 Richard Henderson <rth@redhat.com>
4648 Jakub Jelinek <jakub@redhat.com>
4649 Diego Novillo <dnovillo@redhat.com>
4651 * doc/invoke.texi: Document -fopenmp.
4652 * tree-dump.h (debug_function): Declare.
4653 * hooks.c (hook_bool_tree_bool_false): New function.
4654 (hook_tree_tree_null): Remove.
4655 (hook_tree_tree_tree_null): New.
4656 * hooks.h: Update to match.
4657 * tree-pretty-print.c (debug_tree_chain): New.
4658 (print_generic_expr): Handle TDF_CHAIN.
4659 (dump_generic_node): Handle BLOCK.
4660 Do not abort with incomplete SWITCH_EXPRs.
4661 Do not dump body of an OpenMP directive if TDF_SLIM is given.
4662 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
4663 print space after directive name.
4664 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
4665 Handle OMP_MASTER and OMP_ORDERED.
4666 Handle printing of OMP_BODY just in one place, goto
4667 dump_omp_body in the rest of OMP_* nodes that have
4669 Don't handle clause nodes here. Update omp statements to
4670 use dump_omp_clauses.
4671 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
4672 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
4673 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
4674 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
4675 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
4676 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
4677 Adjust output for GOMP_PARALLEL.
4678 (dump_omp_clauses): New.
4679 (print_declaration): Dump DECL_VALUE_EXPR.
4680 (op_symbol_1): Split out of op_symbol.
4681 (dumping_stmts): Remove. Update all users.
4682 * cgraph.c (cgraph_analyze_queue): New.
4683 (cgraph_add_new_function): New.
4684 * cgraph.h (cgraph_analyze_queue): Declare.
4685 (cgraph_add_new_function): Declare.
4686 (cgraph_lower_function): Remove.
4687 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
4688 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
4689 and TYPE_P nodes in its default clause.
4690 (empty_body_p): New.
4691 (tree_range_check_failed): New.
4693 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
4694 OMP_CLAUSE_REDUCTION_MERGE,
4695 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
4696 OMP_CLAUSE_PRIVATE_DEBUG,
4697 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
4698 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
4699 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
4700 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
4701 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
4702 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
4703 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
4704 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
4705 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
4706 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
4707 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
4708 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
4709 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
4710 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
4711 (TREE_RANGE_CHECK): New.
4712 (empty_body_p): Declare.
4713 (enum omp_clause_default_kind): New.
4714 (build_string_literal): Declare.
4715 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
4716 (build5_stat, build5): Declare.
4717 * tree-pass.h (TDF_CHAIN): Define.
4718 * tree-pass.h (PROP_gimple_lomp): Define.
4719 (pass_lower_omp): Declare.
4720 * diagnostic.h (debug_tree_chain): Declare.
4721 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
4723 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
4724 * builtins.c (build_string_literal): Make extern.
4725 * gcc.c (include_spec_function): New.
4726 (static_spec_functions): Add it.
4727 (main): Move load of libgomp.spec ...
4728 (LINK_COMMAND_SPEC): ... here.
4729 (link_gomp_spec): New.
4730 (static_specs): Include it.
4731 (LINK_COMMAND_SPEC): Add link_gomp.
4732 (GOMP_SELF_SPECS): New.
4733 (driver_self_specs): Include it.
4734 (switch_matches): Don't mark inline.
4735 (main): Load libgomp.spec.
4736 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
4737 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
4738 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
4739 * tree-gimple.h (enum omp_parallel): Declare.
4740 (determine_parallel_type): Declare.
4741 (omp_firstprivatize_variable): Declare.
4742 (omp_reduction_init): Declare.
4743 (diagnose_omp_structured_block_errors): Declare.
4744 (struct walk_stmt_info): Add want_return_expr.
4745 (struct walk_stmt_info): Add want_bind_expr, want_locations.
4746 (find_omp_clause): Declare.
4747 (insert_field_into_struct): Declare.
4748 (struct walk_stmt_info): Move from tree-nested.c
4749 (walk_stmts): Declare.
4750 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
4752 * cgraphunit.c (cgraph_lower_function): Make static.
4753 (cgraph_finalize_pending_functions): New.
4754 (cgraph_finalize_function): Call it.
4755 (cgraph_finalize_compilation_unit): Likewise.
4756 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
4757 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
4758 (BT_FN_UINT_UINT): New.
4759 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
4760 DEF_FUNCTION_TYPE_VAR_4): Document.
4761 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
4762 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
4763 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
4764 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
4765 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
4766 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
4767 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
4768 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
4769 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
4770 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
4771 into separate files.
4772 (DEF_GOMP_BUILTIN): New.
4773 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
4774 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
4775 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
4776 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
4777 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
4778 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
4779 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
4780 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
4781 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
4782 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
4783 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
4784 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
4785 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
4786 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
4787 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
4788 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
4789 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
4790 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
4791 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
4792 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
4793 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
4794 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
4795 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
4796 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
4797 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
4798 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
4799 * sync-builtins.def: New file, moved from builtins.def.
4800 * omp-builtins.def: New file, moved from builtins.def.
4801 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
4802 * gimple-low.c (lower_function_body): Clear data.
4803 (lower_stmt): Do not handle COMPOUND_EXPR.
4804 Remove call to print_node_brief.
4805 * c-tree.h (c_finish_omp_clauses): New prototype.
4806 (C_DECL_THREADPRIVATE_P): Define.
4807 (lookup_name_no_remap, c_omp_remap_private): Remove
4808 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
4809 (check_for_loop_decls): Update decl.
4810 (lookup_name_no_remap, c_omp_remap_private): Declare.
4811 (build_indirect_ref, build_modify_expr, pushdecl,
4812 pushdecl_top_level): Move to c-common.h.
4813 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
4814 before the switch, but just in the 2 places that need it.
4815 * c-decl.c (diagnose_mismatched_decls): Do not check for
4816 mismatched thread-local attributes when OLDDECL is marked
4817 threadprivate and NEWDECL has no thread-local attributes.
4818 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
4819 (c_gimple_diagnostics_recursively): Rename from
4820 c_warn_unused_result_recursively. Invoke
4821 diagnose_omp_structured_block_errors.
4822 (check_for_loop_decls): Return a singular decl found.
4823 * langhooks.c (lhd_omp_predetermined_sharing): Return
4824 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
4825 (lhd_omp_firstprivatize_type_sizes): New.
4826 (lhd_omp_assignment): New.
4827 (lhd_omp_predetermined_sharing): New.
4828 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
4829 (struct lang_hooks_for_types): Add
4830 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
4831 omp_predetermined_sharing, omp_disregard_value_expr,
4832 omp_private_debug_clause, omp_clause_default_ctor,
4833 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
4834 (c_finish_omp_clauses): New.
4835 (c_finish_bc_stmt): Diagnose break within omp for.
4836 (c_begin_omp_parallel, c_finish_omp_parallel): New.
4837 (build_unary_op): Return error_mark after reporting
4839 (build_modify_expr): Likewise.
4840 * gimplify.c: Include optabs.h and pointer-set.h.
4841 (enum gimplify_omp_var_data): Declare.
4842 (struct gimplify_omp_ctx): Declare.
4843 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
4845 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
4846 (push_gimplify_context, pop_gimplify_context): Allow nesting.
4847 (splay_tree_compare_decl_uid): New.
4848 (new_omp_context): New.
4849 (delete_omp_context): New.
4850 (gimple_add_tmp_var): Call omp_add_variable.
4851 (gimplify_bind_expr): Likewise.
4852 (gimplify_var_or_parm_decl): If omp_notice_variable returned
4853 true, disregard DECL_VALUE_EXPR on the decl if any.
4854 (gimplify_expr_in_ctx): New.
4855 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
4856 omp_add_variable, omp_notice_variable, omp_is_private
4857 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
4858 gimplify_adjust_omp_clauses, gimplify_omp_parallel
4859 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
4860 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
4861 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
4862 gimplify_omp_atomic): New.
4863 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
4864 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
4865 OMP_CRITICAL and OMP_ATOMIC.
4866 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
4867 * c-pragma.h (enum pragma_kind): Add
4868 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
4869 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
4870 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
4871 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
4872 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
4873 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
4874 PRAGMA_OMP_THREADPRIVATE.
4875 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
4876 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
4877 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
4878 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
4879 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
4880 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
4881 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
4882 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
4883 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
4884 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
4885 * tree-ssa-dce.c (find_control_dependence): Do not assume that
4886 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
4887 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
4889 (struct nesting_info): Add field_map,
4890 suppress_expansion, debug_var_chain.
4891 (create_nesting_tree): Initialize them.
4892 (lookup_field_for_decl): Use field_map.
4893 (get_nonlocal_debug_decl, get_local_debug_decl): New.
4894 (convert_local_omp_clauses): New.
4895 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
4896 (walk_body): Split out of walk_function.
4897 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
4898 (convert_nonlocal_reference): Handle omp statements.
4899 (convert_local_reference): Likewise.
4900 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
4901 (unnest_nesting_tree): New.
4902 (lower_nested_functions): Call it.
4903 (insert_field_into_struct): Make extern.
4904 (struct walk_stmt_info): Move to tree-gimple.h.
4905 (walk_stmts): Make extern.
4906 * omp-builtins.def: New file.
4907 * tree-iterator.c (expr_only): Clarify comment.
4908 * c-common.h (pushdecl_top_level, pushdecl,
4909 build_modify_expr, build_indirect_ref,
4910 c_finish_omp_master, c_finish_omp_critical,
4911 c_finish_omp_ordered, c_finish_omp_barrier,
4912 c_finish_omp_atomic, c_finish_omp_flush,
4913 c_finish_omp_for, c_split_parallel_clauses,
4914 omp_clause_default_kind, c_omp_sharing_predetermined,
4915 c_omp_remap_decl): Declare.
4916 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
4917 (OBJS-common): Add omp-low.o.
4918 (c-omp.o, omp-low.o): Add.
4919 (gimplify.o): Add dependency on $(OPTABS_H).
4920 (GTFILES): Add omp-low.c.
4921 (gt-stringpool.h): Add.
4922 * tree-cfg.c (set_bb_for_stmt): Do not update the
4923 block-to-labels map if we are currently expanding to RTL.
4924 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
4926 Handle IDENTIFIER_NODE.
4927 (tree_verify_flow_info): Do not ICE when emitting error
4928 messages about invalid labels.
4929 (dump_function_to_file): Reset CFUN before emitting the body
4931 (debug_function): New.
4932 * passes.c (init_optimization_passes): Schedule
4934 * langhooks-def.h (lhd_omp_predetermined_sharing,
4935 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
4937 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
4938 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
4939 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
4940 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
4941 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
4942 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
4943 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
4944 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
4945 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
4946 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
4947 (LANG_HOOK_DECLS): Use them.
4949 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
4950 Richard Henderson <rth@redhat.com>
4951 Jakub Jelinek <jakub@redhat.com>
4952 Diego Novillo <dnovillo@redhat.com>
4954 * c-parser.c (pragma_omp_clause): Define.
4955 (c_parser_declaration_or_fndef): Document OpenMP syntax.
4956 (c_parser_compound_statement): Likewise.
4957 (c_parser_statement): Likewise.
4958 (c_parser_pragma): Handle omp pragmas.
4959 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
4960 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
4961 (c_parser_omp_clause_name, check_no_duplicate_clause,
4962 c_parser_omp_variable_list,
4963 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
4964 c_parser_omp_clause_copyprivate,
4965 c_parser_omp_clause_default,
4966 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
4967 c_parser_omp_clause_lastprivate,
4968 c_parser_omp_clause_nowait,
4969 c_parser_omp_clause_num_threads,
4970 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
4971 c_parser_omp_clause_reduction,
4972 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
4973 c_parser_omp_all_clauses, c_parser_omp_structured_block,
4974 c_parser_omp_atomic, c_parser_omp_barrier,
4975 c_parser_omp_critical, c_parser_omp_flush,
4976 c_parser_omp_for_loop, c_parser_omp_for,
4977 c_parser_omp_master, c_parser_omp_ordered,
4978 c_parser_omp_sections_scope, c_parser_omp_sections,
4979 c_parser_omp_parallel, c_parser_omp_single,
4980 c_parser_omp_construct, c_parser_omp_threadprivate): New.
4981 * c-pragma.c (init_pragma): Do omp pragma registration here.
4982 * c.opt (fopenmp): New flag.
4984 2006-01-18 Eric Christopher <echristo@apple.com>
4986 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
4987 * config/darwin.h (GOMP_SELF_SPECS): Define.
4989 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4991 * rtl.h: Remove the prototype for reg_alloc.
4993 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4996 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
4997 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
4998 sjlj and dwarf2 exception handling.
4999 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
5000 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
5001 * pa/pa.c (function_value): Treat complex and vector types as
5003 (function_arg): Likewise. Only pass scalar floats in the floating
5004 point argument registers.
5005 * pa/t-slibgcc-dwarf-ver: New file.
5006 * pa/t-slibgcc-sjlj-ver: New file.
5007 * pa/t-slibgcc-elf-ver: Delete file.
5009 2006-01-19 Alan Modra <amodra@bigpond.net.au>
5011 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
5012 unlikely_test_section_p test.
5014 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5016 * mode-switching.c (optimize_mode_switching): Make it static.
5017 * basic-block.h: Remove the prototype for
5018 optimize_mode_switching.
5020 * modulo-sched.c (sms_schedule): Make it static.
5021 * rtl.h: Remove the prototype for sms_schedule.
5023 * postreload-gcse.c (gcse_after_reload_main): Make it static.
5024 * rtl.h: Remove the prototype for gcse_after_reload_main.
5026 * reg-stack.c (reg_to_stack): Make it static.
5027 * rtl.h: Remove the prototype for reg_to_stack.
5029 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
5031 * rtl.h: Remove the prototypes for regrename_optimize and
5032 copyprop_hardreg_forward.
5034 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
5036 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
5037 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
5038 Test against the appropriate null constant for the mode.
5039 If 'fixup_overlap' is true, swap the operands if they overlap.
5040 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
5041 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
5042 alpha_split_tmode_pair and adjust for above change.
5043 * config/alpha/alpha.md (movtf_internal): Adjust call to
5044 alpha_split_tfmode_pair and rely on it to swap the operands.
5045 (movti_internal): New insn and post-reload splitter.
5046 (movti): New expander.
5048 2006-01-18 Philippe De Muyter <phdm@macqel.be>
5050 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
5053 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5055 * rtlanal.c (global_reg_mentioned_p_1,
5056 global_reg_mentioned_p): Remove.
5057 * rtl.h: Remove the prototype for global_reg_mentioned_p.
5059 * flow.c (initialize_uninitialized_subregs): Make it static.
5060 * rtl.h: Remove the prototype for
5061 initialize_uninitialized_subregs.
5063 * function.c (instantiate_virtual_regs): Make it static.
5064 * function.h: Remove the prototype for
5065 instantiate_virtual_regs.
5067 * regmove.c (regmove_optimize, combine_stack_adjustments):
5069 * rtl.h: Remove the prototypes for regmove_optimize and
5070 combine_stack_adjustments.
5072 2006-01-17 Roger Sayle <roger@eyesopen.com>
5074 * config/i386/i386.c (COSTS_N_BYTES): New macro.
5075 (size_cost): Encode costs in bytes so that a reg-reg addition is
5076 equivalent to COSTS_N_INSNS(1).
5077 (override_options): Use the size_cost.branch_cost as the default
5078 ix86_branch_cost when optimizing for size.
5080 2006-01-18 Ben Elliston <bje@au.ibm.com>
5082 * Makefile.in (D32PBIT_FUNCS): New.
5083 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
5084 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
5085 D64PBIT_FUNCS and D128PBIT_FUNCS.
5086 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
5087 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
5089 (decnumber_dep): Define.
5090 * doc/libgcc.texi (Decimal float library routines): New node.
5091 * config/dfp-bit.h, config/dfp-bit.c: New files.
5093 2006-01-18 Ben Elliston <bje@au.ibm.com>
5095 * expr.c (emit_move_change_mode): Always adjust addresses, not
5096 just during reload. Copy replacements only during reload.
5097 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
5098 emit_move_via_integer.
5100 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
5102 * Makefile.in (check-%, check-consistency): Use $${srcdir}
5103 instead of $(srcdir) and ${srcdir}.
5105 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
5109 * arm.h (struct machine_function): Add pic_reg.
5110 * arm.c (arm_pic_register): Make unsigned.
5111 (arm_override_options): Only set arm_pic_register if
5112 TARGET_SINGLE_PIC_BASE.
5113 (use_return_insn): Only test for a pic register if it is fixed.
5114 (arm_compute_save_reg0_reg12_mask): Likewise.
5115 (thumb_compute_save_reg_mask): Likewise.
5116 (legitimate_pic_operand): Factor out some known invariants.
5117 (legitimize_pic_address): If we don't have a fixed pic register,
5118 then set up a pseudo in the function entry sequence. Handle the
5119 pic base being in a pseudo.
5120 (arm_load_pic_register): Handle the pic register being in a pseudo.
5121 (arm_expand_prologue): Only set up the pic register if it is fixed.
5122 (thumb_expand_prologue): Likewise.
5123 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
5124 (pic_load_addr_based_insn): Likewise.
5125 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
5128 2006-01-18 Ben Elliston <bje@au.ibm.com>
5130 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
5131 decimal float modes for all floating point registers.
5133 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
5134 match_code "mem" with match_test "macho_lo_sum_memory_operand".
5136 2006-01-17 Jakub Jelinek <jakub@redhat.com>
5139 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
5140 even when the pointer is not NULL.
5142 2006-01-16 Ian Lance Taylor <ian@airs.com>
5144 * common.opt (ftoplevel-reorder): New option.
5145 * cgraph.c (cgraph_asm_nodes): New global variable.
5146 (cgraph_asm_last_node): New static variable.
5147 (cgraph_order): New global variable.
5148 (cgraph_create_node): Set new order field.
5149 (cgraph_varpool_node): Likewise.
5150 (decide_is_variable_needed): Return true if not
5151 flag_toplevel_reorder.
5152 (cgraph_add_asm_node): New function.
5153 * cgraph.h (struct cgraph_node): Add order field.
5154 (struct cgraph_varpool_node): Add order field.
5155 (struct cgraph_asm_node): Define.
5156 (cgraph_asm_nodes, cgraph_order): Declare.
5157 (cgraph_add_asm_node): Declare.
5158 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
5160 (cgraph_varpool_assemble_pending_decls): Call it.
5161 (cgraph_output_pending_asms): New static function.
5162 (cgraph_finalize_compilation_unit): Call it.
5163 (struct cgraph_order_sort): Define.
5164 (cgraph_output_in_order): New static function.
5165 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
5166 !flag_toplevel_reorder case.
5167 * c-parser.c: Include "cgraph.h".
5168 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
5170 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
5171 than -fno-unit-at-a-time.
5172 * doc/invoke.texi (Option Summary): Mention
5173 -fno-toplevel-reorder.
5174 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
5175 -funit-at-a-time documentation.
5177 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
5178 Kazu Hirata <kazu@codesourcery.com>
5180 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
5182 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
5184 * Makefile.in (FUNCTION_H): New. Use it instead of
5185 function.h throughout the file.
5186 * function.h: Include tree.h.
5188 2006-01-17 Ben Elliston <bje@au.ibm.com>
5190 * recog.c: Separate some functions with whitespace.
5192 2006-01-16 Richard Henderson <rth@redhat.com>
5194 Merge from gomp branch:
5195 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
5196 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
5197 and rename from struct inline_data. Rename callee* to dst*;
5198 caller* to src*; add copy_decl hook, transform_call_graph_edges,
5199 transform_new_cfg, transform_return_to_modify, and
5200 transform_lang_insert_block flags; remove cloning_p, versioning_p,
5202 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
5203 (copy_decl_for_dup): Remove.
5204 * tree-inline.c (struct inline_data): Move to header.
5205 (insert_decl_map): Export.
5206 (remap_decl): Update for member name changes. Use copy_decl hook.
5207 Allow for replacement to be a non-decl. Remove dead code.
5208 (remap_type_1): Check for existing mapping.
5209 (remap_type): Export.
5210 (remap_decls): Update for member name changes.
5211 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
5212 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
5213 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
5214 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
5215 (tree_function_versioning, build_duplicate_type): Likewise.
5216 (copy_body_r): Likewise. Export.
5217 (copy_decl_for_dup): Split into ...
5218 (copy_decl_for_dup_finish, copy_decl_to_var,
5219 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
5220 (replace_ref_tree, inlining_p): Remove.
5222 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5224 * ifcvt.c (if_convert): Make it static.
5225 * rtl.h: Remove the prototype for if_convert.
5227 * local-alloc.c (local_alloc): Make it static.
5228 * rtl.h: Remove the prototype for local_alloc.
5230 * loop.c (loop_optimize): Make it static.
5231 * cfgloop.h: Remove the prototype for loop_optimize.
5234 2006-01-16 DJ Delorie <dj@redhat.com>
5236 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
5239 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5241 * pa.md: Disparage copies between general and floating-point registers
5242 in 32-bit move patterns.
5244 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
5247 * Makefile.in (check-%): Depend on site.exp instead of
5248 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
5251 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5253 * global.c (global_alloc): Make it static.
5254 * rtl.h: Remove the prototype for global_alloc.
5256 2006-01-16 Richard Guenther <rguenther@suse.de>
5258 * tree-ssa-alias.c (struct used_part): Add write_only field.
5259 (get_or_create_used_part_for): Initialize it to true.
5260 (create_overlap_variables_for): Don't create structure variables
5261 for structures that only are written to.
5262 (find_used_portions): Handle MODIFY_EXPR to track whether a
5263 structure is only written to.
5265 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5267 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
5269 * basic-block.h: Remove the prototype for
5270 partition_hot_cold_basic_blocks.
5272 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
5274 * cppspec.c (lang_specific_spec_functions): Remove.
5275 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
5276 * gcc.h (lang_specific_spec_functions): Remove.
5277 * gccspec.c (lang_specific_spec_functions): Remove.
5279 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
5281 * combine.c (record_value_for_reg): Invalidate registers
5283 (record_dead_and_set_regs_1): Likewise, by passing them to
5284 record_value_for_reg.
5285 (record_dead_and_set_regs): Invalidate stores made by a
5286 call. We do not combine across a call, but we still
5287 relied on equivalences.
5289 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5291 * tree-vrp.c (extract_range_from_binary_expr): Cope with
5292 vrp_int_const_binop returning non-constant nodes.
5294 2006-01-16 Paul Brook <paul@codesourcery.com>
5296 * config/m68k/m68k.c (output_move_const_into_data_reg):
5297 Output correct mnemonic for mvz and mvs.
5299 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
5301 * rtl-factoring.c: Add sequence abstraction algorithm.
5302 * cfgcleanup.c (outgoing_edges_match): Extra checks.
5303 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
5305 (block_has_preserve_label): New function.
5306 * common.opt: Register new pass.
5307 * Makefile.in: Ditto.
5309 * timevar.def: Ditto.
5310 * tree-pass.h: Ditto.
5311 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
5312 * rtl.h (make_jump_insn_raw): Add forward decl.
5313 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
5315 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5316 Roger Sayle <roger@eyesopen.com>
5318 * fold-const.c (fold_minmax): New static function.
5319 (fold_binary) <MIN_EXPR>: Call it.
5320 <MAX_EXPR>: Likewise.
5321 * stor-layout.c (place_field): Use DECL_SIZE consistently
5322 in the computation of the new record size.
5324 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5326 * cse.c (cse_condition_code_reg): Make it static.
5327 * rtl.h: Remove the prototype for cse_condition_code_reg.
5329 * combine.c (combine_instructions): Make it static.
5330 * rtl.h: Remove the prototype for combine_instructions.
5332 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5335 * tree.c (get_file_function_name_long): Concatenate the first global
5336 object name with a string derived from the input filename of the object
5339 2006-01-16 Ben Elliston <bje@au.ibm.com>
5341 * config/i386/winnt-stubs.c: Update FSF address.
5342 * config/xtensa/ieee754-df.S: Ditto.
5343 * config/xtensa/ieee754-sf.S: Ditto.
5345 2006-01-14 Ian Lance Taylor <ian@airs.com>
5347 * ifcvt.c (noce_init_if_info): New static function, broken out of
5348 noce_process_if_block.
5349 (noce_process_if_block): Call noce_init_if_info.
5350 (check_cond_move_block): New static function.
5351 (cond_move_process_if_block): New static function.
5352 (process_if_block): Call cond_move_process_if_block.
5354 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
5356 * cselib.c (hash_table): Rename to cselib_hash_table.
5357 (cselib_clear_table, discard_useless_values,
5358 remove_useless_values, cselib_lookup_mem, cselib_lookup,
5359 cselib_init, cselib_finish): Adjust uses of hash_table.
5361 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
5363 PR tree-optimization/25485
5364 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
5365 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
5366 is known to be false and true, respectively.
5368 2006-01-14 Richard Guenther <rguenther@suse.de>
5370 PR tree-optimization/22548
5371 PR tree-optimization/22555
5372 PR tree-optimization/22501
5373 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
5374 * params.def (salias-max-array-elements): New parameter.
5375 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
5376 * doc/invoke.texi (salias-max-array-elements): Document.
5377 * tree-flow-inline.h (var_can_have_subvars): We also handle
5379 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
5381 * tree-ssa-structalias.c (params.h): Include.
5382 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
5383 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
5384 (get_constraint_for): For ADDR_EXPR operating on something
5385 containing an ARRAY_REF, add all subvars to the solution.
5386 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
5387 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
5388 for creating MUST_DEFs.
5389 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
5391 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
5393 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
5395 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
5396 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5397 number_of_iterations_le): New functions.
5398 (number_of_iterations_special): Removed.
5399 (number_of_iterations_exit): Do not use number_of_iterations_special.
5400 * tree.c (unsigned_type_for): Always return integer type.
5402 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
5403 Richard Guenther <rguenther@suse.de>
5405 PR rtl-optimization/24257
5406 * gcse.c (find_moveable_store): Only consider a store movable
5407 when the SET_SRC of the insn can be assigned to a register.
5409 2006-01-14 Ian Lance Taylor <ian@airs.com>
5411 * tree.c (tree_not_class_check_failed): New function.
5412 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
5413 (tree_not_class_check_failed): Declare.
5415 2006-01-13 Ian Lance Taylor <ian@airs.com>
5417 * reload1.c (do_output_reload): Add assertion rejecting a
5420 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
5422 * combine.c (struct reg_stat): Add new fields truncation_label and
5424 (record_value_for_reg): Reset truncated_to_mode.
5425 (record_truncated_value): New function.
5426 (check_promoted_subreg): Call it. Rename to check_conversions.
5427 (combine_instructions): Rename check_promoted_subreg to
5429 (reg_truncated_to_mode): New function.
5430 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
5431 (gen_lowpart_or_truncate): New function.
5432 (force_to_mode): Use it instead of gen_lowpart.
5434 2006-01-13 Diego Novillo <dnovillo@redhat.com>
5436 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
5437 VAR is a tag, not its type tag.
5439 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
5441 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
5442 alternatives to match style of other entries.
5443 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
5445 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
5447 PR tree-optimization/25771
5448 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
5451 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
5454 * tree-inline.c (declare_return_variable): If the return variable
5455 was marked as a non gimple complex, set the return slot variable
5456 to be a non gimple comple variable.
5458 2006-01-13 Richard Guenther <rguenther@suse.de>
5460 * builtins.c (expand_builtin_sincos): New function.
5461 (expand_builtin_mathfn_3): Remove dead code, sin and cos
5463 (expand_builtin): Expand sincos using expand_builtin_sincos.
5465 2006-01-12 DJ Delorie <dj@redhat.com>
5467 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
5468 shift counts, separate SI shifts for m32c vs m16c, pass shift type
5469 so that constant shifts can be split.
5470 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
5471 (m32c_valid_pointer_mode): Make static.
5472 (shift_gen_func_for): New.
5473 (m32c_prepare_shift): Use it. Split large const shifts into
5475 * config/m32c/predicates.md (shiftcount_operand): Allow more
5477 (longshiftcount_operand): New.
5478 * doc/md.texi (Machine Constraints): Document In6.
5480 2006-01-13 Ben Elliston <bje@au.ibm.com>
5482 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
5483 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
5486 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
5488 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
5489 to try to avoid clobbering pieces of structures when we know
5490 something about the whole structure.
5491 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
5493 2006-01-13 Ben Elliston <bje@au.ibm.com>
5495 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
5496 return in memory, as this is no limitation is no longer present.
5498 2006-01-12 DJ Delorie <dj@redhat.com>
5500 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
5501 mova with fb, and for fb+0 -> An.
5503 * config/m32c/mov.md (peephole2): Fix enabling logic.
5505 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
5506 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
5507 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
5508 FINI_ARRAY_SECTION_ASM_OP): Define.
5510 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
5512 (m32c_legitimize_reload_address): New logic to reload FB to An.
5513 (m32c_output_reg_push): Add newline.
5514 (m32c_output_reg_pop): Likewise.
5516 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
5518 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
5520 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
5522 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
5524 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5526 * config/sh/predicates.md (sh_rep_vec): Add parallel to
5529 2006-01-11 Ben Elliston <bje@au.ibm.com>
5531 * rtlanal.c (find_reg_note): Assert insn is not null.
5533 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
5535 * df-scan.c (df_hard_reg_init): Move declaration of i outside
5538 2006-01-11 Jeff Law <law@redhat.com>
5540 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
5542 (mark_threaded_blocks, register_jump_thread): New functions.
5543 (thread_through_all_blocks): Remove unwanted argument. No
5544 longer rely on e->aux to communicate thread target info.
5545 Call mark_threaded_blocks. Release the threaded_blocks
5546 bitmap and threaded_edges vector when complete.
5547 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
5548 (threaded_blocks): Remove.
5549 (tree_ssa_dominator_optimize): Remove initialization and
5550 finalization of threaded_blocks. Simplify call to
5551 thread_through_all_blocks.
5552 (thread_across_edge): Call register_jump_thread rather than
5553 storing thread information into e->aux.
5554 (free_all_edge_infos): Simplify now that e->aux is no longer
5555 used to communicate with thread_through_all_blocks.
5556 * tree-flow.h (thread_through_all_blocks): Update prototype.
5557 (register_jump_thread): Prototype.
5559 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5561 * df-core.c (df_compact_blocks, df_bb_replace): Use
5562 SET_BASIC_BLOCK instead of BASIC_BLOCK.
5564 2006-01-11 Richard Guenther <rguenther@suse.de>
5566 PR tree-optimization/25734
5567 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
5568 stop propagation after successful propagation to the LHS.
5570 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5572 * basic-block.h (control_flow_graph): Change the type of
5573 x_basic_block_info to VEC(basic_block,gc) *.
5574 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
5576 (SET_BASIC_BLOCK): New.
5577 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
5578 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
5579 * cfgbuild.c (find_basic_blocks): Likewise.
5580 * cfglayout.c (fixup_reorder_chain): Likewise.
5581 * cfgrtl.c (create_basic_block_structure,
5582 rtl_create_basic_block): Likewise.
5583 * ifcvt.c (find_if_case_1): Likewise.
5584 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
5587 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
5589 * Makefile.in: Removed rotted odf.c entry.
5591 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
5594 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
5595 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
5596 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
5597 output pattern modifier, not %e.
5598 * config/cris/cris.c (cris_op_str): Update comment about pattern
5600 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
5601 before falling through into...
5602 <case 'E'>: Redefined from old 'e' case.
5604 2006-01-11 Jan Hubicka <jh@suse.cz>
5607 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
5609 2006-01-11 Jan Hubicka <jh@suse.cz>
5611 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
5612 * i386.c (x86_decompose_lea): Kill.
5613 (ix86_rtx_costs): Kill.
5615 2006-01-11 Jan Hubicka <jh@suse.cz>
5617 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
5618 * cgraph.h (cgraph_node): Add inline_decl.
5619 (cgraph_insert_node_to_hashtable): Declare.
5620 (save_inline_function_body): Declare.
5621 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
5623 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
5624 (cgraph_function_versioning): Update call of tree_function_versioning.
5625 (save_inline_function_body): New function.
5626 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
5627 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
5628 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
5629 (cgraph_default_inline_p): Likewise.
5630 (cgraph_decide_inlining_incrementally): Likewise.
5631 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
5632 (copy_bb): Kill saving; do updating of clones.
5633 (copy_cfg_body): Kill saving.
5634 (initialize_inlined-parameters): Likewise.
5635 (expand_call_inline): Likewise.
5637 (tree_function_versioning): New parameter "update_clones".
5638 (inlining_p): Kill saving.
5639 * tree-inline.h (tree_function_versioning): Update prototype.
5640 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
5643 2006-01-11 Ian Lance Taylor <ian@airs.com>
5645 * combine.c (struct undo): Remove is_int. Enumify types of undos.
5646 Allow undoing set of machine mode.
5647 (do_SUBST): Use enums instead of is_int.
5648 (do_SUBST_MODE): New function.
5649 (SUBST_MODE): New macro.
5650 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
5651 reg and trying to replace reg_regno_rtx with a new register.
5652 (undo_all): Use new enums, handle undoing a PUT_MODE change.
5653 (simplify_set): Use SUBST_MODE.
5654 (distribute_notes): Remove code that tried to update reg notes
5655 for regno_reg_rtx changes.
5657 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
5659 PR tree-optimization/23109
5660 PR tree-optimization/23948
5661 PR tree-optimization/24123
5663 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
5664 * tree-cfg.c (single_noncomplex_succ): New.
5665 * tree-flow.h (single_noncomplex_succ): Declare it.
5666 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
5667 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
5668 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
5669 insert_bb, register_division_in, insert_reciprocals,
5670 replace_reciprocal, free_bb): New.
5671 (execute_cse_reciprocals_1): Rewritten.
5672 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
5673 Do not commit any edge insertion. Always compute dominators and
5674 create the allocation pool.
5675 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
5676 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
5677 * targhooks.c (default_min_divistions_for_recip_mul): New.
5678 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
5679 * passes.c (init_optimization_passes): Run recip after tree loop
5681 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
5683 2006-01-11 Danny Berlin <dberlin@dberlin.org>
5684 Kenneth Zadeck <zadeck@naturalbridge.com>
5686 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
5687 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
5688 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
5689 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
5690 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
5691 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
5692 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
5693 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
5694 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
5695 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
5696 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
5697 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
5698 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
5699 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
5700 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
5701 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
5702 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
5703 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
5704 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
5705 DF_SCAN_POST_ALLOC): New macros.
5706 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
5707 df_free_bb_function, df_local_compute_function, df_init_function,
5708 df_dataflow_function, df_confluence_function_0,
5709 df_confluence_function_n, df_transfer_function,
5710 df_finalizer_function, df_free_function, df_dump_problem_function,
5711 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
5712 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
5713 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
5714 df_urec_bb_info, ) New types.
5715 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
5717 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
5718 df_analyze_simple_change_some_blocks,
5719 df_analyze_simple_change_one_block, df_compact_blocks,
5720 df_bb_replace, df_bb_regno_last_use_find,
5721 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
5722 df_insn_regno_def_p, df_find_def, df_find_use,
5723 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
5724 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
5725 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
5726 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
5727 debug_df_chain, df_get_dependent_problem, df_chain_create,
5728 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
5729 df_grow_bb_info, df_chain_dump, df_print_bb_index,
5730 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
5731 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
5732 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
5733 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
5734 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
5735 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
5736 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
5737 df_ref_remove, df_insn_refs_delete, df_refs_delete,
5738 df_reorganize_refs, df_set_state, df_hard_reg_init,
5739 df_read_modify_subreg_p) New public functions.
5740 * df-core.c: The core dataflow solver and glue routines for rtl
5742 (df_init, df_add_problem, df_set_blocks, df_finish,
5743 df_hybrid_search_forward, df_hybrid_search_backward,
5744 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
5745 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
5746 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
5747 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
5748 df_reg_defined, df_find_use, df_reg_used, df_dump,
5749 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
5750 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
5751 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
5752 debug_df_useno, reset_df_after_reload): New functions.
5753 * df-scan.c: The scanning fuctions, once in df.c, completely
5754 rewritten so that they now fully model the functionality of
5755 register usage at the backend.
5756 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
5757 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
5758 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
5759 df_grow_insn_info, df_rescan_blocks, df_ref_create,
5760 df_get_artificial_defs, df_get_artificial_uses,
5761 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
5762 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
5763 df_refs_delete, df_reorganize_refs, df_set_state,
5764 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
5765 df_def_record_1, df_defs_record, df_uses_record,
5766 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
5767 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
5768 df_record_exit_block_uses, df_hard_reg_init): New functions.
5770 * df-problems.c: Seven concrete dataflow problems that use the
5771 scanning in df-scan.c and are solved by the engine in df-core.c.
5772 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
5773 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
5774 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
5775 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
5776 df_ru_free_bb_info, df_ru_alloc,
5777 df_ru_bb_local_compute_process_def,
5778 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
5779 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
5780 df_ru_transfer_function, df_ru_free, df_ru_dump,
5781 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
5782 df_rd_free_bb_info, df_rd_alloc,
5783 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
5784 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
5785 df_rd_transfer_function, df_rd_free, df_rd_dump,
5786 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
5787 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
5788 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
5789 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
5790 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
5791 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
5792 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
5793 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
5794 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
5795 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
5796 df_urec_mark_reg_change, df_urec_check_earlyclobber,
5797 df_urec_mark_reg_use_for_earlyclobber,
5798 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
5799 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
5800 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
5801 df_urec_dump, df_urec_add_problem, df_chain_alloc,
5802 df_chain_create_bb_process_use, df_chain_create_bb,
5803 df_chain_finalize, df_chain_free, df_chains_dump,
5804 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
5805 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
5806 df_reg_lifetime): New functions.
5807 * df.c: Deleted file.
5808 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
5809 consistent with new df api.
5810 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
5811 rest_of_handle_sms): Ditto.
5812 * web.c (unionfind_union, union_defs, entry_register, web_main):
5814 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
5815 invariant_expr_equal_p, find_defs, check_dependencies,
5816 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
5817 free_inv_motion_data, move_loop_invariants): Ditto.
5818 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
5819 Update dependencies.
5820 (odf.c): Added defective entry that was deleted later in day.
5821 * sched-deps.c (sched_analyze_1): Ditto.
5823 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
5825 * tree-ssa-operands.c (get_expr_operands): Record addressable
5826 variables directly. Do not call add_stmt_operands for CONST_DECLs
5828 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
5829 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
5831 2006-01-11 Ben Elliston <bje@au.ibm.com>
5833 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
5834 function returns true in the positive case.
5836 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5839 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
5840 for SI, DI, SF and DF modes. Add alternatives to copy between
5841 general and floating point registers to the 32-bit patterns.
5842 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
5843 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
5844 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
5845 generating 64-bit code.
5846 * config/pa/pa.c (output_move_double): Handle copies between general
5847 and floating registers.
5849 2006-01-10 Stuart Hastings <stuart@apple.com>
5851 * config/i386/i386.md (set_got): Update.
5852 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
5853 (builtin_setjmp_receiver): Mach-O support.
5854 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
5855 (GOT_SYMBOL_NAME): Define.
5856 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
5857 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
5858 * config/i386/i386.c (override_options): Revise for Darwin.
5859 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
5860 support. (darwin_x86_file_end): New. (output_set_got): Add label
5861 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
5862 * config/i386/i386-protos.h (output_set_got): Likewise.
5863 * config/darwin.c (machopic_legitimize_pic_address): Update
5866 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
5868 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
5869 when MODE isn't BLKmode.
5871 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5873 PR rtl-optimization/25367
5874 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
5876 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
5879 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
5880 for a negative bound.
5882 2006-01-10 Richard Guenther <rguenther@suse.de>
5884 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5885 Never override with anything constraint.
5887 2006-01-10 Jan Beulich <jbeulich@novell.com>
5889 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
5890 256 bits when optimize_size.
5892 2006-01-10 Jan Beulich <jbeulich@novell.com>
5894 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
5896 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
5897 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
5900 2006-01-10 Ben Elliston <bje@au.ibm.com>
5902 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
5904 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
5905 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
5906 (USE_FP_FOR_ARG): Reject decimal float modes.
5907 (function_arg_advance): Likewise.
5908 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
5909 (rs6000_handle_altivec_attribute): Do not permit decimal floating
5910 point types in AltiVec vectors.
5911 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
5912 (rs6000_libcall_value): Likewise.
5914 2006-01-09 Bob Wilson <bob.wilson@acm.org>
5916 * config/xtensa/ieee754-df.S: New file.
5917 * config/xtensa/ieee754-sf.S: New file.
5918 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
5919 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
5920 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
5922 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
5924 * config/sh/predicates.md (binary_float_operator,
5925 binary_logical_operator, commutative_float_operator,
5926 equality_comparison_operator, greater_comparison_operator,
5927 less_comparison_operator, logical_operator,
5928 noncommutative_float_operator, shift_operator,
5929 symbol_ref_operand, unary_float_operator): Remove redundant
5932 2006-01-09 Jeff Law <law@redhat.com>
5934 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
5935 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
5936 now unused arguments. Callers updated.
5937 (eliminate_redundant_computations): Remove now unused arguments,
5939 (local_fold): Remove, no longer used.
5940 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
5942 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
5943 (simplify_cond): New function.
5944 (forward_propagate_into_cond): Call simplify_cond.
5946 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
5948 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
5949 (*vec_extractv2di_1_sse): New.
5951 2006-01-09 Ben Elliston <bje@au.ibm.com>
5953 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
5955 2006-01-08 Richard Guenther <rguenther@suse.de>
5957 * tree-ssa-structalias.c (get_constraint_for): Remove
5959 (get_constraint_for_component_ref): Likewise.
5960 (do_deref): Likewise.
5961 (get_constraint_for): Likewise.
5962 (do_structure_copy): Likewise.
5963 (handle_ptr_arith): Likewise.
5964 (find_func_aliases): Likewise. Remove unused need_anyoffset
5967 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
5968 Kaz Kojima <kkojima@gcc.gnu.org>
5970 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
5971 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
5972 (EXTRA_CONSTRAINT_C16): Remove.
5973 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
5974 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
5975 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
5976 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
5977 constants of SHmedia. Handle nested constant expressions of
5979 (andcosts): Fix the costs for SHmedia constants.
5980 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
5981 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
5982 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
5983 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
5984 (movv4hi_i, movv2si_i): Likewise.
5985 (movsi_const): Adjust the second operand of ior so to match with
5987 (movdi_const, movdi_const_32bit): Likewise.
5988 (movdi_const_16bit+1): Don't sign-extend LOW.
5989 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
5991 (*double_shori): Fix the split condition. Use GEN_INT instead
5992 of get_int_mode calls. Mask lower 16-bit of the argument of
5994 (sym2GOTPLT): Remove.
5995 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
5997 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
5998 instead of EXTRA_CONSTRAINT_C16.
6000 2006-01-07 Ian Lance Taylor <ian@airs.com>
6001 David Edelsohn <edelsohn@gnu.org>
6003 PR rtl-optimization/25662
6004 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
6005 for constant operands instead of simplify_gen_binary.
6006 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
6007 after trying simplify_binary_operation
6009 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
6011 * tree.c (iterative_hash_expr): Hash decls based on UID.
6013 2006-01-06 Eric Christopher <echristo@apple.com>
6015 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
6016 (TARGET_UNWIND_EMIT): Fix spelling.
6017 * target.h (gcc_target): Add except_table_label.
6018 * except.c (output_function_exception_table): Use.
6019 * varasm.c (default_emit_except_table_label): New.
6020 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
6022 (asm_out): Add here.
6023 * output.h (default_emit_except_table_label): Prototype.
6024 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
6025 * config/darwin.c (darwin_emit_except_table_label): Define.
6026 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
6028 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
6030 PR tree-optimization/18527
6031 * tree-ssa-loop-niter.c (number_of_iterations_cond,
6032 number_of_iterations_special, number_of_iterations_exit):
6033 Move base and step of an iv to a single structure. Add
6034 no_overflow flag, and use it in # of iterations analysis.
6035 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
6036 folded_casts argument.
6037 (simple_iv): Pass base and step in a structure. Set no_overflow
6039 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
6040 Evaluate expensiveness of computing # of iterations instead of
6041 the final expression.
6042 * tree-scalar-evolution.h (affine_iv): New structure.
6043 (simple_iv): Declaration changed.
6044 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
6045 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
6046 find_givs_in_stmt): Changed due to simple_iv change.
6048 2006-01-06 Jeff Law <law@redhat.com>
6051 * tree-cfg.c (bsi_replace): Rename final argument from
6052 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
6053 change (stmt -> orig_stmt).
6054 * tree-eh.c (verify_eh_throw_stmt_node): New function.
6055 (bsi_remove): Add new argument. Remove EH information
6057 (verify_eh_throw_table_statements): New function.
6058 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
6060 * tree-optimize.c (execute_free_cfg_annotations): Verify
6061 the EH throw statement table after removing annotations.
6062 * except.h (verify_eh_throw_table_statements): Prototype.
6063 * tree-flow.h (bsi_remove): Update prototype.
6064 * tree-vrp.c (remove_range_assertions): Add new argument to
6066 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
6067 * tree-complex.c (expand_complex_div_wide): Likewise.
6068 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
6069 * tree-tailcall.c (eliminate_tailcall): Likewise.
6070 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
6071 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
6072 * tree-nrv.c (tree_nrv): Likewise.
6073 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
6074 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
6075 (combine_blocks): Likewise.
6076 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
6077 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
6078 (cleanup_control_flow): Likewise.
6079 (remove_forwarder_block): Likewise.
6080 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
6081 * tree-sra.c (sra_replace): Likewise.
6082 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
6083 (forward_propagate_single_use_vars): Likewise.
6084 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
6085 * tree-inline.c (expand_call_inline): Likewise.
6086 * tree-vect-transform.c (vect_transform_loop): Likewise.
6087 * tree-outof-ssa.c (rewrite_trees): Likewise.
6088 * tree-cfg.c (make_goto_expr_edges): Likewise.
6089 (cleanup_dead_labels): Likewise.
6090 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
6091 (bsi_move_before, bsi_move_after): Likewise.
6092 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
6093 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
6095 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
6098 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
6100 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
6101 on non gimple variables. Also add checks at the top for decls and
6103 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
6105 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
6106 and IMAGPART_EXPR for creating MUST_DEFs.
6107 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
6108 and NAME_MEMORY_TAG separately from the DECLs.
6110 2006-01-06 Richard Guenther <rguenther@suse.de>
6112 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
6113 annotation, if necessary.
6114 * tree-ssa-pre.c (create_expression_by_pieces): Remove
6115 redundant calls to update_stmt.
6116 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
6119 2006-01-05 Richard Henderson <rth@redhat.com>
6121 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
6123 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6125 * c-typeck.c: Update copyright date.
6127 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6129 * c-typeck.c (build_c_cast): Always warn when casting
6130 from a pointer to an integer of different size, even if
6131 the node was constant.
6133 2006-01-05 Richard Guenther <rguenther@suse.de>
6135 PR tree-optimization/22555
6136 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
6137 if one structure field is an array.
6138 * tree-ssa-operands.c (get_expr_operands): Continue scanning
6139 operands even if we found a subvar, but ignore VOPs in this
6141 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
6143 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
6145 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
6148 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
6150 2006-01-05 Richard Guenther <rguenther@suse.de>
6151 Diego Novillo <dnovillo@redhat.com>
6153 * tree-pass.h (TODO_remove_unused_locals): Define.
6154 * gimple-low.c (expand_var_p, remove_useless_vars,
6155 pass_remove_useless_vars): Remove. Update all users.
6156 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
6157 (remove_unused_locals): New function.
6158 * tree-flow.h (remove_unused_locals): Declare.
6159 * passes.c (execute_todo): Call remove_unused_locals if
6160 TODO_remove_unused_locals is set.
6161 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
6162 * tree-ssa-dce.c (pass_dce): Likewise.
6163 * tree-outof-ssa.c (pass_del_ssa): Likewise.
6165 2006-01-05 Richard Guenther <rguenther@suse.de>
6167 * tree-flow.h (struct fieldoff): Decompose field to
6168 type, size and decl.
6169 * tree-ssa-alias.c (create_sft): Take type as parameter.
6170 (create_overlap_variables_for): Store type, size and decl
6171 in the fieldoff structure.
6172 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
6174 (push_fields_onto_fieldstack): Likewise.
6175 (create_variable_info_for): Likewise. Use offset for the
6176 SFT name if the decl is not available.
6178 2006-01-04 Paul Brook <paul@codesourcery.com>
6180 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
6182 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
6184 * lambda-code.c (can_put_in_inner_loop): Relax
6186 (can_put_after_inner_loop): New function.
6187 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
6188 (perfect_nestify): Change to make copies and modify uses.
6190 2006-01-04 Richard Henderson <rth@redhat.com>
6192 Merge from gomp branch:
6193 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
6194 via integer constant.
6195 (pragma_lex): Remove.
6196 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
6197 rather than parsing it.
6198 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
6199 handle_pragma_extern_prefix): Add %< %> quotes.
6200 (registered_pragmas): New.
6201 (c_register_pragma_1): New.
6202 (c_register_pragma): Use it.
6203 (c_register_pragma_with_expansion): Likewise.
6204 (c_invoke_pragma_handler): New.
6205 (init_pragma): Use cpp_register_deferred_pragma directly for
6207 * c-pragma.h (enum pragma_kind): New.
6208 (pragma_handler): New.
6209 (c_invoke_pragma_handler): Declare.
6210 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
6212 * c-common.h (c_common_pch_pragma): Update decl.
6213 * Makefile.in (c-parser.o): Update dependencies.
6214 (GTFILES): Add c-pragma.h.
6215 * c-parser.c (struct c_token): Add pragma_kind.
6216 (struct c_parser): Add in_pragma.
6217 (c_lex_one_token): Always initialize keyword and pragma_kind.
6218 Extract data for CPP_PRAGMA.
6219 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
6220 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
6221 Don't allow CPP_PRAGMA_EOL if in_pragma.
6222 (c_parser_consume_pragma): New.
6223 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
6224 (c_parser_skip_to_end_of_parameter): Likewise.
6225 (c_parser_skip_to_end_of_block_or_statement): Likewise.
6226 (c_parser_skip_to_pragma_eol): New.
6227 (c_parser_external_declaration): Handle CPP_PRAGMA.
6228 (c_parser_compound_statement_nostart): Likewise.
6229 (c_parser_statement_after_labels): Likewise.
6230 (c_parser_pragma): New.
6231 (pragma_lex): Likewise.
6232 (c_parser_pragma_pch_preprocess): New.
6233 (c_parser_new): Merge into ...
6234 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
6236 2006-01-04 Jeff Law <law@redhat.com>
6239 * tree-cfg.c (bsi_replace): Remove the original statement
6240 from the EH throw statement table.
6242 2006-01-04 Jakub Jelinek <jakub@redhat.com>
6244 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
6245 make the prototype extern "C" and add throw ().
6248 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
6249 and pos non-negative and pos + len <= 32.
6250 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
6251 drop pos + len < HOST_BITS_PER_WIDE_INT test.
6252 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
6255 * c-common.c (handle_vector_size_attribute): Reject zero vector size
6256 as well as sizes not multiple of component size.
6259 * function.c (instantiate_expr): New function.
6260 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
6261 walk its DECL_VALUE_EXPR with instantiate_expr.
6263 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
6264 DW_OP_deref{,_size} if address isn't going to be added.
6266 2006-01-04 Ben Elliston <bje@au.ibm.com>
6268 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
6269 * config/fp-bit.c: Likewise.
6271 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
6273 * dominance.c: Add comment about why we use DFS numbering
6276 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6277 Richard Henderson <rth@redhat.com>
6279 Merge from gomp-branch:
6280 * varasm.c (assemble_variable): Handle thread-local COMMON data.
6281 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
6283 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
6285 PR rtl-optimization/25578
6286 * combine.c (combine_simplify_rtx, force_to_mode): Don't
6287 pass a parameter to simplify_shift_const if changing ASHIFTRT
6290 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
6292 * builtins.c (get_builtin_sync_mem): New function.
6293 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
6294 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
6295 Call get_builtin_sync_mem to generate mem rtx.
6297 2006-01-03 Richard Guenther <rguenther@suse.de>
6300 * stmt.c (add_case_node): Make sure to clear overflow flags
6303 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6305 Merge from gomp-branch.
6306 * config/sparc/sync.md: New file.
6307 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
6308 UNSPECV_LDSTUB): New constants.
6309 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
6310 * config/sparc/predicates.md (memory_reg_operand): New predicate.
6311 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
6314 2006-01-03 Roger Sayle <roger@eyesopen.com>
6316 * combine.c (reg_subword_p): New predicate to test whether the
6317 destination of a set refers to a subword/piece of a register.
6318 (try_combine): Generalize the code to merge the setting of a
6319 pseudo to a constant followed by a set of a subword of that
6320 register to a constant.
6322 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
6324 * basic-block.h (control_flow_graph): Change the type of
6325 x_label_to_block_map to VEC(basic_block,gc) *.
6326 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
6327 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
6329 * tree-ssa-propagate.c (cfg_blocks): Change the type to
6330 VEC(basic_block,heap) *.
6331 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
6332 ssa_prop_fini): Adjust the uses of cfg_blocks.
6334 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
6336 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
6338 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
6339 hashing trees instead of a pointer hash.
6340 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
6341 compare for MEM_EXPR.
6343 PR rtl-optimization/25130
6344 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
6345 when comparing MEMs for GCSE
6347 2006-01-03 Ben Elliston <bje@au.ibm.com>
6349 * targhooks.h (default_decimal_float_supported_p): Declare.
6350 * targhooks.c (default_decimal_float_supported_p): Define.
6351 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
6352 `default_decimal_float_supported_p'.
6353 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
6355 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
6357 * combine.c (apply_distributive_law <SUBREG>): Check
6358 TRULY_NOOP_TRUNCATION.
6360 2006-01-02 Geoffrey Keating <geoffk@apple.com>
6362 * dwarf2out.c (have_switched_text_section): Delete.
6363 (have_multiple_function_sections): New.
6364 (have_location_lists): Make 'bool'.
6365 (add_AT_loc_list): Use 'true' not '1'.
6366 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
6367 (output_loc_list): Use have_multiple_function_sections.
6368 (output_ranges): Likewise.
6369 (dwarf2out_begin_function): Set have_multiple_function_sections if
6371 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
6372 Check function_section rather than DECL_SECTION_NAME.
6373 (dwarf2out_finish): Use have_multiple_function_sections.
6374 Don't clear have_location_lists.
6376 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
6377 Jan Hubicka <jh@suse.cz>
6379 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
6380 case of conditional jump jumping to the next instruction.
6381 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
6382 cases of conditional jump jumping to the next instruction.
6384 2006-01-02 Jan Hubicka <jh@suse.cz>
6386 * i386.c (*_cost): Add COSTS_N_INSNS.
6387 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
6389 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
6392 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
6394 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6396 * config/arm/arm.c (all_fpus): Fix comment typo.
6397 * config/darwin.c: Likewise.
6398 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
6399 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
6400 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
6402 2006-01-01 David Edelsohn <edelsohn@gnu.org>
6404 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
6405 (rs6000_split_compare_and_swapqhi): New.
6406 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
6407 (sync_compare_and_swapqhi_internal): New.
6408 * config/rs6000/rs6000-protos.h: Declare.
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