1 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
5 * gcse.c (rest_of_handle_gcse): Ditto.
6 * except.c (gate_handle_eh): Ditto.
7 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10 2006-03-02 Eric Christopher <echristo@apple.com>
12 * config/i386/i386.c (machopic_output_stub): Add indirection to
15 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
19 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
21 Sun Niagara specific optimizations.
22 * config.gcc: Recognize niagara as target.
23 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
24 (TARGET_CPU_niagara): Define.
25 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
26 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
27 (CPP_CPU_SPEC): Handle -mcpu=niagara.
28 (ASM_CPU_SPEC): Likewise.
29 (PROCESSOR_NIAGARA): New enum entry.
30 (REGISTER_MOVE_COST): Handle Niagara.
31 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
32 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
33 (sparc_override_options): Recognize "niagara", set appropriate
34 default MASK_* values for it, and align functions to 32-bytes
35 by default just like ULTRASPARC/ULTRASPARC3.
36 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
37 (sparc64_initialize_trampoline): Likewise.
38 (sparc_use_sched_lookahead): Use zero for niagara.
39 (sparc_issue_rate): Use one for niagara.
40 * config/sparc/niagara.md: New file.
41 * config/sparc/sparc.md: Include it.
42 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
43 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
44 when default cpu is niagara.
45 (CPP_CPU_SPEC): Handle -mcpu=niagara.
46 (ASM_CPU_SPEC): Likewise.
47 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
48 when default cpu is niagara.
49 (ASM_CPU_SPEC): Handle -mcpu=niagara.
50 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
51 just like v9/ultrasparc/ultrasparc3.
52 * doc/invoke.texi: Add documentation for "niagara" and improve
53 existing documentation for ultrasparc variants.
55 2006-03-02 Diego Novillo <dnovillo@redhat.com>
57 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
59 2006-03-02 Richard Sandiford <richard@codesourcery.com>
61 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
62 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
63 and say that only one is needed.
64 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
65 * target.h (have_switchable_bss_sections): New hook.
66 * explow.c (use_anchored_address): Check that the symbol is in a block.
67 * varasm.c (tls_comm_section, comm_section, lcomm_section)
68 (bss_noswitch_section): New variables.
69 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
70 (get_noswitch_section): New function.
71 (get_block_for_section): Allow SECT to be null.
72 (unlikely_text_section_p): Use SECTION_STYLE.
73 (bss_initializer_p): New function.
74 (get_variable_section): Move earlier in file. Take a new argument,
75 prefer_noswitch_p. Move bss checks from assemble_variable to here.
76 Return one of the new *_sections in such cases.
77 (get_block_for_decl): New function, extracting some logic from
78 use_blocks_for_decl_p.
79 (change_symbol_section): Remove in favor of...
80 (change_symbol_block): ...this new function.
81 (use_blocks_for_decl_p): Remove checks now performed by
83 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
84 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
85 (emit_local, emit_bss, emit_common): ...these new functions.
86 Return true if the alignment was honored.
87 (emit_tls_common): New function.
88 (asm_emit_uninitialised): Delete.
89 (assemble_variable_noswitch): New function, split out from...
90 (assemble_variable): ...here. Don't make decisions about common
91 variables here. Globalize all public decls that go into non-common
92 sections. Check whether SYMBOL_REF_BLOCK is null.
93 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
94 (output_constant_pool): Likewise.
95 (init_varasm_once): Initialize the new section variables.
96 (have_global_bss_p): New function.
97 (categorize_decl_for_section): Use bss_initializer_p.
98 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
99 (place_block_symbol): Assert that the symbol must be in a block.
100 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
101 (TARGET_INITIALIZER): Include it.
102 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
103 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
104 (SECTION_MACH_DEP): Bump by two.
105 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
106 (unnamed_section): Mention SECTION_UNNAMED in comment.
107 (named_section): Likewise SECTION_NAMED.
108 (noswitch_section_callback): New type.
109 (noswitch_section): New structure.
110 (section): Add a noswitch_section alternative.
111 (SECTION_STYLE): New macro.
112 (tls_comm_section, comm_section, lcomm_section): Declare.
113 (bss_noswitch_section, have_global_bss_p): Declare.
114 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
115 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
117 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
118 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
121 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
123 * gcc/tree-vrp.c (execute_vrp): Return value.
124 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
125 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
126 * gcc/tree-complex.c (tree_lower_complex): Ditto.
127 (tree_lower_complex_O0): Ditto.
128 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
129 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
130 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
131 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
132 (execute_tail_calls): Ditto.
133 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
134 * gcc/tree.h (init_function_for_compilation): Ditto.
135 * gcc/ipa-cp.c (ipcp_driver): Ditto.
136 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
137 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
138 * gcc/final.c (compute_alignments): Ditto.
139 (rest_of_handle_final): Ditto.
140 (rest_of_handle_shorten_branches): Ditto.
141 (rest_of_clean_state): Ditto.
142 * gcc/omp-low.c (execute_expand_omp): Ditto.
143 (execute_lower_omp): Ditto.
144 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
145 * gcc/ipa-reference.c (static_execute): Ditto.
146 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
147 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
148 (rest_of_handle_machine_reorg): Ditto.
149 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
150 * gcc/flow.c (recompute_reg_usage): Ditto.
151 (rest_of_handle_remove_death_notes): Ditto.
152 (rest_of_handle_life): Ditto.
153 (rest_of_handle_flow2): Ditto.
154 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
155 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
156 (do_ssa_store_ccp): Ditto.
157 (execute_fold_all_builtins): Ditto.
158 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
159 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
160 * gcc/ipa-pure-const.c (static_execute): Ditto.
161 * gcc/cse.c (rest_of_handle_cse): Ditto.
162 (rest_of_handle_cse2): Ditto.
163 * gcc/web.c (rest_of_handle_web): Ditto.
164 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
165 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
166 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
167 * gcc/tree-nrv.c (tree_nrv): Ditto.
168 (execute_return_slot_opt): Ditto.
169 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
170 (create_structure_vars): Ditto.
171 * gcc/loop-init.c (rtl_loop_init): Ditto.
172 (rtl_loop_done): Ditto.
173 (rtl_move_loop_invariants): Ditto.
174 (rtl_unswitch): Ditto.
175 (rtl_unroll_and_peel_loops): Ditto.
177 * gcc/gimple-low.c (lower_function_body): Ditto.
178 (mark_used_blocks): Ditto.
179 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
180 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
181 (cgraph_early_inlining): Ditto.
182 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
183 * gcc/jump.c (cleanup_barriers): Ditto.
184 (purge_line_number_notes): Ditto.
185 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
186 (rest_of_handle_if_after_reload): Ditto.
187 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
188 (tree_ssa_loop_im): Ditto.
189 (tree_ssa_loop_unswitch): Ditto.
190 (tree_vectorize): Ditto.
191 (tree_linear_transform): Ditto.
192 (tree_ssa_loop_ivcanon): Ditto.
193 (tree_ssa_empty_loop): Ditto.
194 (tree_ssa_loop_bounds): Ditto.
195 (tree_complete_unroll): Ditto.
196 (tree_ssa_loop_prefetch): Ditto.
197 (tree_ssa_loop_ivopts): Ditto.
198 (tree_ssa_loop_done): Ditto.
199 * gcc/predict.c (tree_estimate_probability): Ditto.
200 * gcc/recog.c (split_all_insns_noflow): Ditto.
201 (rest_of_handle_peephole2): Ditto.
202 (rest_of_handle_split_all_insns): Ditto.
203 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
204 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
205 (rest_of_handle_stack_adjustments): Ditto.
206 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
207 * gcc/function.c (instantiate_virtual_regs): Ditto.
208 (init_function_for_compilation): Ditto.
209 (rest_of_handle_check_leaf_regs): Ditto.
210 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
211 (rest_of_handle_gcse): Ditto.
212 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
213 * gcc/alias.c (rest_of_handle_cfg): Ditto.
214 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
215 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
216 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
217 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
218 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
219 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
220 * gcc/except.c (set_nothrow_function_flags): Ditto.
221 (convert_to_eh_region_ranges): Ditto.
222 (rest_of_handle_eh): Ditto.
223 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
224 (remove_unnecessary_notes): Ditto.
225 * gcc/except.h (set_nothrow_function_flags): Ditto.
226 (convert_to_eh_region_ranges): Ditto.
227 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
228 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
229 * gcc/tree-ssa-pre.c (do_pre): Ditto.
230 (execute_fre): Ditto.
231 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
232 (rest_of_handle_jump2): Ditto.
233 * gcc/tree-sra.c (tree_sra): Ditto.
234 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
235 (execute_mudflap_function_decls): Ditto.
236 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
237 (do_store_copy_prop): Ditto.
238 * gcc/ipa-prop.h (ipcp_driver): Ditto.
239 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
240 * gcc/tree-ssa-forwprop.c
241 (tree_ssa_forward_propagate_single_use_vars): Ditto.
242 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
243 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
244 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
245 (execute_late_warn_uninitialized): Ditto.
246 * gcc/rtl.h (cleanup_barriers): Ditto.
247 (split_all_insns_noflow): Ditto.
248 (purge_line_number_notes): Ditto.
249 (unshare_all_rtl): Ditto.
250 (remove_unnecessary_notes): Ditto.
251 (recompute_reg_usage): Ditto.
252 (variable_tracking_main): Ditto.
253 * gcc/integrate.c (emit_initial_value_sets): Ditto.
254 * gcc/integrate.h (emit_initial_value_sets): Ditto.
255 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
256 (execute_free_cfg_annotations): Ditto.
257 (execute_fixup_cfg): Ditto.
258 (execute_cleanup_cfg_pre_ipa): Ditto.
259 (execute_cleanup_cfg_post_optimizing): Ditto.
260 (execute_init_datastructures): Ditto.
261 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
262 * gcc/combine.c (rest_of_handle_combine): Ditto.
263 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
264 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
265 (rest_of_handle_reorder_blocks): Ditto.
266 (rest_of_handle_partition_blocks): Ditto.
267 * gcc/var-tracking.c (variable_tracking_main): Ditto.
268 * gcc/tree-profile.c (tree_profiling): Ditto.
269 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
270 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
271 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
272 (rest_of_handle_sched2): Ditto.
273 * gcc/basic-block.h (free_bb_insn): Ditto.
274 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
275 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
276 (remove_useless_stmts): Ditto.
277 (split_critical_edges): Ditto.
278 (execute_warn_function_return): Ditto.
279 (execute_warn_function_noreturn): Ditto.
280 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
281 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
282 * gcc/passes.c (execute_one_pass): Run additional
283 todos returned by execute function.
284 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
287 2006-03-02 Richard Guenther <rguenther@suse.de>
289 * tree-ssa-alias.c (find_used_portions): Consider taking
290 the address as making the variable not write-only.
292 2006-03-02 Nick Clifton <nickc@redhat.com>
294 * config.gcc (default_use_cxa_atexit): Extend the description of
295 this configure variable. Set its default value to "yes" for
296 Linux, NetBSD and ELF targets on the assumption that they will
297 use C libraries with the __cxa_atexit function.
299 2006-03-02 Ben Elliston <bje@au.ibm.com>
301 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
302 parameter as unused to suppress a build warning.
304 2006-03-02 Ben Elliston <bje@au.ibm.com>
306 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
309 2006-03-01 Roger Sayle <roger@eyesopen.com>
312 * gthr-posix.h (__gthrw2): Define to take three parameters, the
313 declared name, the weak reference name, and the typeof name.
314 (__gthrw): Avoid expanding the declared name suffix.
315 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
317 2006-03-01 Jakub Jelinek <jakub@redhat.com>
319 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
321 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
322 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
323 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
324 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
325 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
326 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
327 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
328 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
329 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
330 DW_DS_leading_separate, DW_DS_trailing_separate): New.
331 (DW_END_default, DW_END_big, DW_END_little): New.
332 (DW_END_lo_user, DW_END_hi_user): Define.
333 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
334 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
335 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
338 2006-03-01 Diego Novillo <dnovillo@redhat.com>
340 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
342 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
344 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
346 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
348 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
351 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
354 2006-03-01 Roger Sayle <roger@eyesopen.com>
356 * builtins.c (fold_builtin_copysign): Delete unreachable code.
358 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
361 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
362 MACHO_DYNAMIC_NO_PIC_P.
363 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
365 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
368 * config/darwin-protos.h (darwin_asm_output_anchor):
370 * config/darwin-sections.def (cstring_section):
371 Add SECTION_MERGE to the flags.
372 (literal4_section): Likewise.
373 (literal8_section): Likewise.
374 (objc_selector_refs_section): Likewise.
375 (objc_cls_refs_section): Likewise.
376 * config/darwin.c (darwin_asm_output_anchor): New
378 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
380 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
382 Fix PR tree-optimization/26443
383 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
384 to todo and PROP_tmt_usage to properties_destroyed.
385 * tree-ssa-ccp.c (pass_ccp): Ditto.
386 (pass_store_ccp): Ditto.
387 * tree-ssa-dom.c (pass_dominator): Ditto.
389 2006-03-01 Diego Novillo <dnovillo@redhat.com>
391 * tree-ssa-operands.c: Cleanup whitespace.
392 (get_asm_expr_operands): Move before first invocation.
393 (get_indirect_ref_operands): Likewise.
394 (get_tmr_operands): Likewise.
395 (get_call_expr_operands): Likewise.
396 (append_def): Likewise.
397 (append_use): Likewise.
398 (append_v_may_def): Likewise.
399 (append_v_must_def): Likewise.
400 (add_call_clobber_ops): Likewise.
401 (add_call_read_ops): Likewise.
402 (add_stmt_operand): Likewise.
403 (add_virtual_operand): Likewise.
404 (build_ssa_operands): Likewise.
406 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
411 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
412 with a call expr to ...
413 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
415 2006-03-01 Diego Novillo <dnovillo@redhat.com>
417 * tree-vrp.c (extract_range_from_assert): Remove special
418 handling for types with super-types.
420 2006-03-01 Ben Elliston <bje@au.ibm.com>
422 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
423 and powerpc64-*-linux* configurations.
424 * config/t-dfprules: New file.
426 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
427 Compile dfp-bit.c from the source directory using -DWIDTH and
428 $DFP_CFLAGS to control the compilation of that file, rather than
429 generating width-specific versions in the build directory.
430 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
431 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
433 2006-02-28 Zack Weinberg <zackw@panix.com>
435 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
438 2006-02-28 Eric Christopher <echristo@apple.com>
440 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
441 Set up IN_LIBGCC definition of TARGET_64BIT.
442 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
444 2006-02-28 Roger Sayle <roger@eyesopen.com>
447 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
448 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
449 cases via the construction of "expr != 0".
451 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
453 * alias.c (alias_invariant, alias_invariant_size): Remove.
454 (record_base_value): Remove.
455 (memrefs_conflict_p): Don't look at alias_invariant.
456 (end_alias_analysis): Don't free it.
457 * alias.h (record_base_value): Remove prototype.
459 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
460 Adam Nemet <anemet@caviumnetworks.com>
462 * rtl.h (truncated_to_mode): Declare it.
463 (struct rtl_hooks): Add reg_truncated_to_mode hook.
464 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
465 (RTL_HOOKS_INITIALIZER): Include it.
466 * rtlhooks.c (reg_truncated_to_mode_general): New function.
467 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
468 reg_truncated_to_mode.
469 * rtlanal.c (truncated_to_mode): Define it.
470 * simplify-rtx.c (simplify_unary_operation_1): Use it.
472 2006-02-28 Jeff Law <law@redhat.com>
474 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
475 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
476 the range allowed by TYPE_PRECISION.
478 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
480 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
482 PR tree-optimization/26419
483 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
486 2006-02-27 Zack Weinberg <zackw@panix.com>
488 * doc/md.texi: Fix typo in previous change.
490 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
494 2006-02-27 Zack Weinberg <zackw@panix.com>
496 * rtl.def (define_constraint, define_register_constraint)
497 (define_memory_constraint, define_address_constraint): New MD forms.
498 * gensupport.c (process_rtx): Put define_constraint etc on the
500 * genpreds.c (process_define_predicate): Adjust comment. Validate
501 the name, and call validate_exp to validate the expression.
502 (mark_mode_tests, write_extract_subexp): Can assume correct input.
503 (write_predicate_expr): Likewise. NAME argument no longer necessary;
505 (validate_exp, needs_variable, struct constraint_data)
506 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
507 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
508 (const_dbl_constraints, constraint_max_namelen)
509 (have_register_constraints, have_memory_constraints)
510 (have_address_constraints, have_address_constraints)
511 (have_extra_constraints, have_const_int_constraints)
512 (have_const_dbl_constraints, mangle, add_constraint)
513 (process_define_constraint, process_define_register_constraint)
514 (write_enum_constraint_num, write_lookup_constraint)
515 (write_insn_constraint_len, write_regclass_for_constraint)
516 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
517 (write_insn_extra_memory_constraint)
518 (write_insn_extra_address_constraint)
519 (write_satisfies_constraint_fns): New.
520 (write_tm_preds_h): If we have new-style constraint definitions,
521 prototype the functions generated from them, and define the
522 old constraint interface (still used by generic code) in terms of
524 (write_insn_preds_c): If we have new-style constraint definitions,
525 generate all relevant functions from those definitions.
526 (main): Handle define_constraint etc.
527 * genoutput.c (struct constraint_data, indep_constraints)
528 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
529 (mdep_constraint_len): New data structures and functions, defined
530 #ifdef USE_MD_CONSTRAINTS.
531 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
532 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
533 use new logic to validate operand constraints against constraint
535 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
537 * defaults.h: If none of the old-style constraint macros are
538 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
539 old-style macros; and poison REG_CLASS_FROM_LETTER,
540 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
542 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
543 * doc/md.texi: Document new constraint-definition mechanism and the
544 C interface it provides. Remove references to old mechanism
545 elsewhere in the document.
546 (Machine Constraints): Use pathnames relative to gcc directory,
547 i.e. config/ARCH/FILE. Change i386 section to refer to
548 config/i386/predicates.md; update that section to match docstrings.
549 * doc/tm.texi: Move all documentation of the old constraint-
550 definition macros to their own section, clearly mark as obsolete.
552 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
553 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
555 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
556 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
557 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
559 (splits and peepholes): Use satisfies_constraint_*.
560 * config/i386/i386.c (memory_address_length)
561 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
563 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
565 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
566 scalar operation to be put back into the loop.
568 2006-02-27 Jakub Jelinek <jakub@redhat.com>
571 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
572 (extract_cie_info): Handle S flag in augmentation string.
573 (execute_cfa_program): If context->signal_frame, execute also
574 fs->pc == context->ra instructions.
575 (uw_frame_state_for): If context->signal_frame, don't subtract one
576 from context->ra to find FDE.
577 (uw_update_context_1): Set context->signal_frame to
579 (_Unwind_GetIPInfo): New function.
580 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
581 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
583 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
584 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
585 * unwind-compat.c (_Unwind_GetIPInfo): New function.
586 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
587 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
588 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
589 * config/i386/linux-unwind.h (x86_fallback_frame_state,
590 x86_64_fallback_frame_state): Set fs->signal_frame.
591 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
592 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
593 (frob_update_context): Likewise. Workaround missing S flag in
594 Linux 2.6.12 - 2.6.16 kernel vDSOs.
595 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
596 Remove the psw_addr + 1 hack.
598 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
600 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
601 with aggregates here.
602 (find_func_aliases): Remove code for &<aggregate> from here.
604 2006-02-26 Roger Sayle <roger@eyesopen.com>
606 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
607 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
608 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
611 2006-02-26 Roger Sayle <roger@eyesopen.com>
614 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
616 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
618 * opts.c (decode_options): Do not handle flag_strength_reduce.
619 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
620 and OPT_fstrength_reduce.
621 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
622 flag_prefetch_loop_arrays for being nonzero.
623 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
625 (fprefetch-loop-arrays-rtl): Removed.
626 (flag_prefetch_loop_arrays): Do not specify the value.
628 * doc/passes.texi: Update documentation of loop optimizer
630 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
631 -frerun-loop-opt): Remove.
633 2006-02-26 Richard Guenther <rguenther@suse.de>
635 PR tree-optimization/26421
636 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
637 in function calls that are ADDR_EXPRs as using the whole structure.
639 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
641 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
642 * tree-pass.h (pass_loop_optimize): Remove.
643 * passes.c (pass_loop_optimize): Never run it.
644 * toplev.c (backend_init): Don't call init_loop.
645 * opts.c (flag_loop_optimize_set): Remove.
646 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
647 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
648 the old RTL loop optimizer when profiling enabled.
649 * predict.c (tree_estimate_probability): Always strip builtin_expect.
650 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
651 pre-headers for the sake of the old RTL loop optimizer.
652 * Makefile.in: Remove all references to loop.o.
654 * doc/invoke.texi: Remove all references to -floop-optimize
655 and -frerun-loop-opt.
657 2006-02-26 Zack Weinberg <zackw@panix.com>
659 * doc/md.texi (Machine Constraints): Refer to all files with paths
660 relative to gcc directory (i.e. config/CPU/file). Add missing
661 @table @code ... @end table to M32C subsection.
663 2006-02-26 Roger Sayle <roger@eyesopen.com>
665 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
667 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
669 2006-02-26 Roger Sayle <roger@eyesopen.com>
670 James A. Morrison <phython@gcc.gnu.org>
673 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
674 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
675 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
676 signedness of the shift operation.
678 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
680 PR tree-optimization/26359
681 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
683 2006-02-25 Roger Sayle <roger@eyesopen.com>
685 * simplify-rtx.c (simplify_relational_operation_1): Simplify
686 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
687 as X == 0, and some symmetry related transformations.
688 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
690 2006-02-25 Roger Sayle <roger@eyesopen.com>
693 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
694 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
695 symmetry related transformations. Fold (X^C1) == C2 as
698 2006-02-25 Juergen Weigert <jw@suse.de>
699 Richard Guenther <rguenther@suse.de>
701 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
703 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
705 * combine.c (gen_lowpart_or_truncate): Call
706 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
708 2006-02-24 Diego Novillo <dnovillo@redhat.com>
710 * doc/invoke.texi: Move -fopenmp description to "Options for
712 Remove reference to -lgomp.
714 2006-02-24 David Edelsohn <edelsohn@gnu.org>
716 * doc/install.texi: Require GNU tar version 1.14.
718 2006-02-24 Geoffrey Keating <geoffk@apple.com>
720 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
721 * doc/invoke.texi (C++ Dialect Options): Document
722 -fno-use-cxa-get-exception-ptr.
723 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
724 * configure: Regenerate.
725 * c.opt (fuse-cxa-get-exception-ptr): New.
726 * c-opts.c (c_common_handle_option): Handle
727 OPT_fuse_cxa_get_exception_ptr.
728 * c-common.c (flag_use_cxa_atexit): Update documentation.
729 (flag_use_cxa_get_exception_ptr): New.
730 * c-common.h (flag_use_cxa_get_exception_ptr): New.
731 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
733 (C_COMMON_OVERRIDE_OPTIONS): New.
735 2006-02-24 Roger Sayle <roger@eyesopen.com>
738 * combine.c (try_combine): Explicitly check whether GET_CODE is
739 a SET or a CLOBBER, instead on checking that it isn't a USE.
741 2006-02-24 Roger Sayle <roger@eyesopen.com>
743 * fold-const.c (fold_comparison): New subroutine of fold_binary
744 containing transformations common to both the equality and
745 ordering relational operators, factored out of fold_binary.
746 (fold_binary): Separate out the equality operators (EQ_EXPR
747 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
748 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
749 transformations common to both.
750 (fold_div_compare): Fix latent bugs in the previously unreachable
751 LT_EXPR and GE_EXPR cases.
753 2006-02-24 David Edelsohn <edelsohn@gnu.org>
755 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
756 decl libname for clog to __clog on AIX.
758 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
760 2006-02-24 Alan Modra <amodra@bigpond.net.au>
763 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
764 output traceback table for thunks. Localise rs6000_stack_info call.
766 2006-02-23 Roger Sayle <roger@eyesopen.com>
767 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
769 * gthr-posix.h (__gthrw): Fix typo in comment.
771 2006-02-23 Geoffrey Keating <geoffk@apple.com>
773 * doc/cpp.texi (Character sets): Document that we do support
774 input files to be in any character set.
776 2006-02-23 Jeff Law <law@redhat.com>
778 * tree.h (PHI_ARG_NONZERO): Remove.
779 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
780 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
781 node to the new node.
783 PR tree-optimization/26425
784 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
785 min/max, then assume its varying.
787 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
789 PR rtl-optimization/26316
790 * rtlanal.c (enum may_trap_p_flags): New.
791 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
792 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
793 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
794 (may_trap_after_code_motion_p): New function.
795 * loop-invariant.c (find_identical_invariants): Fix dump formating.
796 (find_invariant_insn): Use may_trap_after_code_motion_p.
797 * rtl.h (may_trap_after_code_motion_p): Declare.
799 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
801 * emit-rtl.c (immed_double_const): Cleanup.
803 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
805 Fix PR tree-optimization/26376
806 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
809 2006-02-23 Jakub Jelinek <jakub@redhat.com>
812 * gimplify.c (omp_add_variable): Guard variable size decl test with
813 DECL_SIZE (decl) check.
815 2006-02-23 Richard Guenther <rguenther@suse.de>
818 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
819 like aggregate types.
821 2006-02-23 Jakub Jelinek <jakub@redhat.com>
823 * configure.ac: Add --with{,out}-long-double-128 configure option.
824 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
825 * configure: Rebuilt.
826 * config.in: Rebuilt.
827 * doc/install.texi (Options specification): Document
828 --with-long-double-128.
830 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
831 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
832 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
833 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
835 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
837 * config/s390/s390.c (override_options): Handle
838 TARGET_DEFAULT_LONG_DOUBLE_128.
840 * config/alpha/alpha.c (override_options): Handle
841 TARGET_DEFAULT_LONG_DOUBLE_128.
843 * config/sparc/sparc.c (sparc_override_options): Handle
844 TARGET_DEFAULT_LONG_DOUBLE_128.
846 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
848 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
849 (real-install-headers-tar, real-install-headers-cpio)
850 (real-install-headers-cp): New targets.
852 2006-02-22 Richard Sandiford <richard@codesourcery.com>
854 * tree.h (variable_section): Delete.
855 * varasm.c (variable_section): Delete.
857 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
859 * install.texi: Add notes on install.texi2html.
860 (Building in parallel): Do not use footnotes.
862 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
865 * doc/install.texi (Configuration): Document --disable-libgomp.
867 2006-02-21 Geoffrey Keating <geoffk@apple.com>
869 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
871 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
873 * config/i386/sse.md (vec_extractv2df_1_sse): New.
874 (vec_extractv2df_0_sse): New.
876 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
878 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
879 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
880 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
881 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
882 to the result of the expression.
884 (frame_pointer_cfa_offset): Rename to...
885 (frame_pointer_fb_offset): ... this. Adjust all uses.
886 (convert_cfa_to_loc_list): Rename to...
887 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
888 Pass it on to build_cfa_loc.
889 (compute_frame_pointer_to_cfa_displacement): Rename to...
890 (compute_frame_pointer_to_fb_displacement): ... this. New
891 offset parameter. Use it in computation.
892 (gen_subprogram_die): Compute cfa_fb_offset with the new
893 macro, and use it to compute the fb loc list and the
896 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
898 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
899 replaced with register_operand.
900 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
901 non-DREG is expensive.
902 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
903 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
906 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
908 * doc/install.texi2html: Use set -e.
910 2006-02-21 Richard Sandiford <richard@codesourcery.com>
912 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
913 (ASM_OUTPUT_SHARED_LOCAL): Delete.
914 * doc/invoke.texi (-fshared-data): Delete.
915 * common.opt (fshared-data): Delete.
916 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
917 (assemble_static_space): Remove #if 0 code.
918 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
919 (ASM_OUTPUT_SHARED_LOCAL): Poison.
920 * config/cris/cris.h: Remove FIXME.
922 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
924 * doc/sourcebuild.texi (Front End Directory): No more double-colon
927 2006-02-21 Jakub Jelinek <jakub@redhat.com>
930 * combine.c (simplify_shift_const_1): Disable nested shifts
931 optimization for vector shifts.
933 2006-02-20 Roger Sayle <roger@eyesopen.com>
935 PR tree-optimization/26361
936 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
937 of unsigned integer types.
939 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
941 * tree-chrec.c (eq_evolutions_p): New.
942 * tree-chrec.h (eq_evolutions_p): Declared.
943 * tree-data-ref.c: Fix formatting.
944 (datadep_stats, dependence_stats): New.
946 (print_direction_vector): New.
947 (dump_data_dependence_relation): Use print_direction_vector.
948 (object_analysis, create_data_ref): Handle COMPONENT_REF.
949 (compute_subscript_distance): Static.
950 (initialize_data_dependence_relation): Static. Get the number
951 of loops surrounding the references from the callers, and initialize
952 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
953 base_object_differ_p analyzers.
954 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
955 compute_overlap_steps_for_affine_1_2,
956 analyze_subscript_affine_affine): Count the classified dependences.
957 Print a message when a test failed.
958 (can_use_analyze_subscript_affine_affine): New.
959 (analyze_siv_subscript): Compute the data dependences on symbolic
960 scevs that verify can_use_analyze_subscript_affine_affine.
961 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
962 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
963 Handle symbolic scevs.
964 (analyze_overlapping_iterations): Let symbolic affine scevs to be
966 (subscript_dependence_tester): Moved...
967 (build_classic_dist_vector, build_classic_dir_vector): Don't use
968 lambda_vector_clear on newly allocated vectors. Get nb_loops from
969 DDR_SIZE_VECT instead of getting it in parameter.
970 (subscript_dependence_tester): ... here. Take as a parameter
971 loop_nest_depth. Call build_classic_dist_vector and
972 build_classic_dir_vector.
973 (compute_affine_dependence): Update subscript_dependence_tester
974 parameters. Update datadep_stats counters. Call
975 compute_subscript_distance.
976 (compute_self_dependence): Save the dist and dir vectors. Call
977 compute_subscript_distance.
978 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
979 (compute_all_dependences): Reorder parameters as they were before
980 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
981 compute_subscript_distance. Update the use of
982 compute_affine_dependence and initialize_data_dependence_relation.
983 (find_data_references_in_loop): Handle COMPONENT_REF.
984 (compute_data_dependences_for_loop): Initialize dependence_stats.
985 Don't call build_classic_dist_vector and build_classic_dir_vector.
986 Update the parameters of initialize_data_dependence_relation and
987 compute_all_dependences. Print the statistics from datadep_stats.
988 (analyze_all_data_dependences): Static. Not used until the pass for
989 checking the data dependences is contributed.
990 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
991 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
992 (initialize_data_dependence_relation, compute_affine_dependence,
993 analyze_all_data_dependences, compute_subscript_distance): Removed.
994 (print_direction_vector): New.
995 * lambda.h (gcd): ... here.
996 (lambda_vector_gcd): Moved here from gcd_vector.
997 * lambda-code.c (gcd, gcd_vector): Removed.
998 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
999 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
1001 2006-02-20 Diego Novillo <dnovillo@redhat.com>
1003 * ipa-type-escape.c: Tidy some comments and white space.
1004 * tree-ssa-operands.c: Likewise.
1006 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
1009 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
1010 (dump_decl_name): Do not walk the decl tree chains.
1011 * tree-pass.h (TDF_CHAIN): Remove.
1013 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1015 * Makefile.in (C): Remove
1017 (.PHONY): Remove C and PROTO
1019 2006-02-20 Roger Sayle <roger@eyesopen.com>
1022 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
1023 deprecated CHAR_TYPE tree code.
1025 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1027 * configure.ac (target_list): Add install-info, dvi, html.
1028 * configure: Regenerate.
1030 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
1031 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
1032 treelang/Make-lang.in: Do not use double-colon rules.
1034 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
1036 * tree.h (struct tree_memory_tag): Add is_used_alone member.
1037 (TMT_USED_ALONE): New macro.
1038 * tree-pass.h (PROP_tmt_usage): New property.
1039 (TODO_update_tmt_usage): New todo.
1040 * tree-ssa-alias.c (updating_used_alone): New variable.
1041 (recalculate_used_alone): New function.
1042 (compute_may_aliases): Set updating_used_alone, call
1043 recalculate_used_alone.
1044 * tree-sra.c (pass_sra): Note that this pass destroys
1045 PROP_tmt_usage, and add TODO_update_tmt_usage.
1046 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1047 * tree-flow.h (updating_used_alone): Prototype.
1048 (recalculate_used_alone): Ditto.
1049 * passes.c (execute_todo): Add code to set updating_used_alone,
1050 and call recalculate.
1051 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
1052 for clobber if used alone, and add assert to verify used_alone
1055 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
1057 * config/s390/s390.c (legitimize_pic_address): Assertions checking
1058 for non tls symbols added.
1059 (legitimize_address): Do nothing for PLUS expressions if one of the
1060 addends is a tls symbol reference.
1062 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1066 * Makefile.in (LDFLAGS): Define from autoconf substitution.
1068 * Makefile.in (BOOTSTRAPPING): New.
1069 (quickstrap): New definition if BOOTSTRAPPING=yes.
1071 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
1072 * configure.ac: Substitute all_selected_languages with the languages
1073 that were configured. For all the other variables except
1074 lang_specs_files, include all the languages in the tree.
1075 * configure: Regenerate.
1077 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
1078 if there is one. Run the commands to run fixincludes in the same
1081 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
1082 * doc/install.texi: Document exact conventions for searching target tools.
1083 Document --with-build-time-tools. Document toplevel bootstrap. Document
1084 something more about building an Ada cross-compiler. Don't list GNU Make
1085 requirements which affect all platforms.
1087 2006-02-19 Roger Sayle <roger@eyesopen.com>
1090 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
1091 only equivalent if the have both the same mode and precision.
1093 2006-02-20 Ben Elliston <bje@au.ibm.com>
1095 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
1097 2006-02-19 Roger Sayle <roger@eyesopen.com>
1098 Steven Bosscher <stevenb.gcc@gmail.com>
1100 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
1101 constant pool references to identify stack mode constants.
1102 * rtlanal.c (constant_pool_constant_p): New predicate to check
1103 whether operand is a floating point constant in the pool.
1104 * rtl.h (constant_pool_constant_p): Prototype here.
1105 * loop.c (scan_loop): Avoid hoisting constants from the constant
1106 pool on STACK_REGS targets.
1107 (load_mems): Likewise.
1108 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
1109 loads into x87 registers expensive in terms of register pressure.
1111 2006-02-19 Roger Sayle <roger@eyesopen.com>
1113 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
1114 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
1116 2006-02-19 David Edelsohn <edelsohn@gnu.org>
1118 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
1119 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
1121 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
1123 * doc/invoke.texi: Document -fipa-pta.
1124 * common.opt: Add ipa-pta option.
1125 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
1126 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
1127 (do_ds_constraint): Ditto.
1128 (get_constraint_for): Only add to referenced_vars if
1129 referenced_vars exists.
1130 (insert_into_field_list): Rewrite to do this unsorted.
1131 (insert_into_field_list_sorted): Rename old insert_into_field_list
1133 (create_function_info_for): Use insert_into_field_list_sorted.
1134 (create_variable_info_for): Rewrite so it uses unsorted version,
1135 since the field list is sorted.
1136 (intra_create_variable_infos): Only add to referenced_vars if
1137 referenced_vars exists.
1138 (ipa_pta_execute): Init heapvars, and delete when done.
1139 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
1141 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1143 * doc/install.texi: Add missing `@samp'.
1145 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1147 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
1150 2006-02-18 Mark Wielaard <mark@klomp.org>
1152 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
1153 who added new 4.1 features, bug fixes and integration support.
1155 2006-02-18 David Edelsohn <edelsohn@gnu.org>
1158 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
1161 2006-02-18 Richard Sandiford <richard@codesourcery.com>
1163 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
1164 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
1165 (copy_insn_1): Likewise. Don't copy each field individually.
1167 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
1169 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
1170 * rtl.c (rtx_size): Rename variable to...
1171 (rtx_code_size): ...this.
1172 (rtx_size): New function.
1173 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
1174 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
1176 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
1177 * rtl.h (rtx_code_size): New variable.
1178 (rtx_size): Change from a variable to a function.
1179 (RTX_SIZE): Rename to...
1180 (RTX_CODE_SIZE): ...this.
1183 PR tree-optimization/17106
1184 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
1185 (Anchored Addresses): New section.
1186 * doc/invoke.texi (-fsection-anchors): Document.
1187 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
1188 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
1189 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
1190 * hooks.c (hook_bool_mode_rtx_false): New function.
1191 * hooks.h (hook_bool_mode_rtx_false): Declare.
1192 * gengtype.c (create_optional_field): New function.
1193 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
1194 SYMBOL_REF_IN_BLOCK_P is true.
1195 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
1196 (min_anchor_offset, max_anchor_offset): Likewise.
1197 (use_anchors_for_symbol_p): New hook.
1198 * toplev.c (compile_file): Call output_object_blocks.
1199 (target_supports_section_anchors_p): New function.
1200 (process_options): Check that -fsection-anchors is only used on
1201 targets that support it and when -funit-at-a-time is in effect.
1202 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
1203 if the decl doesn't have one.
1204 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
1205 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
1206 of force_const_mem through use_anchored_address.
1207 (expand_expr_constant): New function.
1208 (expand_expr_addr_expr_1): Call it. Use the same modifier when
1209 calling expand_expr for INDIRECT_REF.
1210 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
1211 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
1212 * expr.h (use_anchored_address): Declare.
1213 * loop-unroll.c: Don't declare rtx vectors here.
1214 * explow.c: Include output.h.
1215 (validize_mem): Call use_anchored_address.
1216 (use_anchored_address): New function.
1217 * common.opt (-fsection-anchors): New switch.
1218 * varasm.c (object_block_htab, anchor_labelno): New variables.
1219 (hash_section, object_block_entry_eq, object_block_entry_hash)
1220 (use_object_blocks_p, get_block_for_section, create_block_symbol)
1221 (use_blocks_for_decl_p, change_symbol_section): New functions.
1222 (get_variable_section): New function, split out from assemble_variable.
1223 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
1224 use_blocks_for_decl_p say so. Use change_symbol_section if the
1225 symbol has already been created.
1226 (assemble_variable_contents): New function, split out from...
1227 (assemble_variable): ...here. Don't output any code for
1228 block symbols; just pass them to place_block_symbol.
1229 Use get_variable_section and assemble_variable_contents.
1230 (get_constant_alignment, get_constant_section, get_constant_size): New
1231 functions, split from output_constant_def_contents.
1232 (build_constant_desc): Create a block symbol if use_object_blocks_p
1233 says so. Or into SYMBOL_REF_FLAGS.
1234 (assemble_constant_contents): New function, split from...
1235 (output_constant_def_contents): ...here. Don't output any code
1236 for block symbols; just pass them to place_section_symbol.
1237 Use get_constant_section and get_constant_alignment.
1238 (force_const_mem): Create a block symbol if use_object_blocks_p and
1239 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
1240 (output_constant_pool_1): Add an explicit alignment argument.
1241 Don't switch sections here.
1242 (output_constant_pool): Adjust call to output_constant_pool_1.
1243 Switch sections here instead. Don't output anything for block symbols;
1244 just pass them to place_block_symbol.
1245 (init_varasm_once): Initialize object_block_htab.
1246 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
1247 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
1248 (place_block_symbol, get_section_anchor, output_object_block)
1249 (output_object_block_htab, output_object_blocks): New functions.
1250 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
1251 (TARGET_ASM_OUT): Include it.
1252 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
1253 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
1254 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
1255 (TARGET_INITIALIZER): Include them.
1256 * rtl.c (rtl_check_failed_block_symbol): New function.
1257 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
1258 (block_symbol, object_block): New structures.
1259 (rtx_def): Add a block_symbol field to the union.
1260 (BLOCK_SYMBOL_CHECK): New macro.
1261 (rtl_check_failed_block_symbol): Declare.
1262 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
1263 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
1264 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
1265 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
1266 * output.h (output_section_symbols): Declare.
1267 (object_block): Name structure.
1268 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
1269 (default_use_anchors_for_symbol_p): Declare.
1270 * Makefile.in (RTL_BASE_H): Add vec.h.
1271 (explow.o): Depend on output.h.
1272 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
1273 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1274 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1275 (rs6000_use_blocks_for_constant_p): New function.
1277 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1279 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
1281 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1284 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
1287 2006-02-18 Diego Novillo <dnovillo@redhat.com>
1289 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
1293 2006-02-18 Jakub Jelinek <jakub@redhat.com>
1296 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
1297 instead of DECL_REGISTER.
1299 2006-02-18 Olivier Hainque <hainque@adacore.com>
1302 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
1304 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
1307 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
1308 * opth-gen.awk: Handle Var and InverseMask together.
1309 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
1310 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
1311 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
1312 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
1314 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1315 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1316 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
1317 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1318 LINUX_DYNAMIC_LINKER): Define.
1319 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
1320 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
1322 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1323 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
1324 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1325 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1326 (TARGET_C99_FUNCTIONS): Don't define.
1327 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
1328 GLIBC_DYNAMIC_LINKER.
1329 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
1330 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
1331 GLIBC_DYNAMIC_LINKER64): Define.
1332 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1333 LINUX_DYNAMIC_LINKER64.
1334 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1335 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1336 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
1337 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1338 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1339 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1340 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
1341 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
1342 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
1343 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
1344 and LINUX_DYNAMIC_LINKER32.
1345 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1346 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1347 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
1348 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1349 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
1351 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
1352 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
1353 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1354 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1355 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1356 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
1357 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
1358 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
1359 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1360 LINUX_DYNAMIC_LINKER): Define.
1361 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
1362 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
1363 GLIBC_DYNAMIC_LINKER64): Define.
1364 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1365 LINUX_DYNAMIC_LINKER64.
1366 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1367 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1368 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
1369 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1370 LINUX_DYNAMIC_LINKER): Define.
1371 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1372 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1373 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
1374 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
1375 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
1376 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1377 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
1378 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
1379 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1380 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1381 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1382 * doc/invoke.texi (-muclibc): Remove caveat about supported
1385 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1387 * doc/cpp.texi (__TIMESTAMP__): Document.
1389 2006-02-17 Roger Sayle <roger@eyesopen.com>
1392 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
1393 C is one less than the width of X (and related transformations).
1394 * simplify-rtx.c (simplify_unary_operation_1): Transform
1395 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
1396 depending on STORE_FLAG_VALUE, were C is one less then the
1399 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
1401 Fix PR tree-optimization/26341
1402 * tree-ssa-operands.c (add_virtual_operand): Remove assert
1403 about NAME_MEMORY_TAG's.
1405 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1408 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
1409 with hardware float support, and software float support. Add fcpy
1410 alternative to hardware patterns. Add alternatives to copy between
1411 general and floating-point registers to the 32-bit pattern.
1412 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
1413 secondary reload to load a QI or HI mode constant into a floating
1415 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
1416 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
1418 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
1421 * config/rs6000/darwin.md (load_macho_picbase_si): Add
1423 (load_macho_picbase_di): Likewise.
1425 2006-02-16 Jeff Law <law@redhat.com>
1427 * tree-vrp.c (set_value_range_to_nonnegative): New function.
1428 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
1429 (ssa_name_nonzero_p): Likewise.
1430 (get_value_range): Return NULL if VRP is not running.
1431 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
1432 VRP routines do not discover a range.
1433 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
1434 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
1435 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
1436 (tree_expr_nonnegative_p): Similarly.
1437 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
1438 (restore_nonzero_vars_to_original_value): Remove.
1439 (unsafe_associative_fp_binop): Remove.
1440 (tree_ssa_dominator_optimize): Remove initialization and
1441 finalization of nonzero_vars and nonzero_vars_stack.
1442 (dom_opt_initialize_block): No longer push marker on
1444 (dom_opt_finalize_block): No longer call
1445 restore_nonzero_vars_to_original_value.
1446 (record_equivalences_from_phis): No longer look for
1447 nonzero PHI arguments.
1448 (cprop_into_successor_phis): No longer propagate nonzero
1449 property into PHI arguments. Lose unused argument. Caller
1451 (record_equivalences_from_stmt): No longer record nonzero
1452 values for SSA_NAMEs.
1453 (lookup_avail_expr): No longer use nonzero_vars.
1455 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
1456 for sizetype when sizetype is unsigned.
1458 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
1460 PR rtl-optimization/25603
1461 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
1462 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
1463 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
1464 with new meaning of SETS.
1466 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
1471 * config/linux.opt: New file.
1472 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
1473 LINUX_DYNAMIC_LINKER): Define.
1474 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
1475 * config.gcc (*-*-linux*): Define extra_options.
1476 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
1477 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
1478 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
1479 GLIBC_DYNAMIC_LINKER.
1480 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
1481 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1482 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1483 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1484 * doc/invoke.texi (GNU/Linux Options): New section.
1486 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1488 * config/sparc/sparc.md (setjmp): Rewrite.
1489 (setjmp_32): Delete.
1490 (setjmp_64): Likewise.
1492 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
1494 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
1497 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1499 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
1502 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1504 PR rtl-optimization/26296
1505 * Makefile.in (loop-invariant.c): Add except.h dependency.
1506 * loop-invariant.c: Include except.h.
1507 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
1509 2005-02-16 Paul Brook <paul@codesourcery.com>
1511 * reload1.c (emit_reload_insns): Invalidate dead input registers used
1514 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
1516 PR rtl-optimization/25636
1517 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
1518 when deciding whether an insn is an initializing insn.
1520 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
1522 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
1523 (tree_code_size): Ditto.
1524 * tree.h (struct tree_memory_tag): Remove parent_var.
1525 (struct tree_struct_field_tag): New.
1528 (union tree_node): Add sft member.
1529 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
1531 (create_sft): Add size and offset argument, set SFT_OFFSET and
1533 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
1534 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
1535 * tree-flow-inline.h (get_subvar_at): Update for
1536 SFT_OFFSET/SFT_SIZE.
1537 (var_can_have_subvars): Ditto.
1538 (overlap_subvar): Ditto.
1539 * print-tree.c (print_node): Print out interesting things for
1541 * tree-flow.h (struct subvar): Remove offset and size members.
1542 * tree-ssa-operands.c (get_expr_operands): Update for
1543 get_indirect_ref_operands changes.
1544 (get_indirect_ref_operands): Call add_virtual_operand instead of
1545 add_stmt_operand. Only recurse on base var if requested.
1546 (access_can_touch_variable): New function.
1547 (add_stmt_operand): Split virtual operand handling into ...
1548 (add_virtual_operand): Here. Add offset, size, and for_clobber
1549 arguments. Prune alias sets.
1550 (add_call_clobber_ops): Call add_virtual_operand.
1552 2006-02-15 Jakub Jelinek <jakub@redhat.com>
1555 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
1557 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
1558 than TREE_CODE as index into omp_clause_num_ops array.
1560 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
1562 PR rtl-optimization/26184
1563 * modulo-sched.c (generate_reg_moves): Free bitmap vector
1565 * modulo-sched.c (sms_schedule): Free g_arr pointer.
1566 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
1567 must_precede, must_follow and tobe_scheduled.
1570 * opts.c (common_handle_option): Free new_option pointer.
1571 * df-core.c (df_analyze): Free postorder pointer.
1573 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1575 * Makefile.in: Fix the examples about the use of stamps
1577 2006-02-15 Michael Matz <matz@suse.de>
1581 * stor-layout.c (layout_decl): Zero-width bitfields aren't
1582 influenced by maximum_field_alignment or DECL_PACKED.
1583 (update_alignment_for_field): Ditto.
1584 (place_field): Ditto.
1585 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
1588 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
1590 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
1591 (debug_flow_info): Pass it.
1592 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
1593 * bb-reorder.c (reorder_basic_blocks): Likewise.
1594 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
1595 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
1596 * flow.c (life_analysis, recompute_reg_usage): Likewise.
1597 * gcse.c (gcse_main, bypass_jumps): Likewise.
1598 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
1599 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
1600 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
1601 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
1602 * rtl.h (dump_flow_info): Adjust prototype.
1603 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
1604 * var-tracking.c (variable_tracking_main): Likewise.
1605 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
1606 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
1609 2006-02-15 Marcin Dalecki <martin@dalecki.de>
1611 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
1614 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
1616 PR tree-optimization/26209
1617 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
1618 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
1620 * tree-cfg.c (replace_uses_by): Do not alter cfg.
1622 2006-02-14 Roger Sayle <roger@eyesopen.com>
1625 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
1626 (X,Y) and the corresponding symmetry related transformations.
1627 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
1628 (X,Y) and its symmetry related transformations.
1630 2006-02-14 Roger Sayle <roger@eyesopen.com>
1632 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
1635 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
1637 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
1639 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1642 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
1643 support COMDAT group.
1644 * configure: Regenerate.
1646 2006-02-14 Roger Sayle <roger@eyesopen.com>
1651 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
1653 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
1655 Fix PR tree-optimization/26260
1657 * doc/invoke.texi (max-fields-for-field-sensitive): Document
1659 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
1660 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
1661 * tree-ssa-structalias.c (create_variable_info_for): Use
1662 MAX_FIELDS_FOR_FIELD_SENSITIVE.
1664 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
1666 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
1668 * tree-ssa-loop-niter.c (number_of_iterations_ne,
1669 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
1670 of the ending condition.
1671 * tree-ssa-loop-manip.c: Include params.h.
1672 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
1673 tree_unroll_loop): New functions.
1674 * tree-pass.h (pass_loop_prefetch): Declare.
1675 * loop.c (rest_of_handle_loop_optimize): Test for
1676 -fprefetch-loop-arrays-rtl.
1677 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
1678 * timevar.def (TV_TREE_PREFETCH): New timevar.
1679 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
1680 pass_loop_prefetch): New.
1681 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
1682 (cleanup_tree_cfg_loop): Call scev_reset.
1683 * common.opt (fprefetch-loop-arrays-rtl): Add.
1684 * tree-ssa-loop-prefetch.c: New file.
1685 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
1686 (new_temp_expr_table): Initialize expr_vars.
1687 (free_temp_expr_table): Cleanup expr_vars.
1688 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
1689 expressions from being merged into one.
1690 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
1691 (struct tree_niter_desc): Add control, bound and cmp fields.
1692 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
1694 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
1695 (tree-cfgcleanup.o): Add SCEV_H dependency.
1696 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
1697 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
1699 2006-02-14 Richard Guenther <rguenther@suse.de>
1701 PR tree-optimization/26258
1702 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
1703 in PHI argument processing.
1705 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
1707 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
1708 new expression in the requested machine mode.
1710 2006-02-13 Roger Sayle <roger@eyesopen.com>
1712 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
1713 directly, instead let do_compare_rtx_and_jump handle this for us.
1714 * expr.c (expand_expr_real_1): Likewise.
1715 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
1716 before do_jump_by_parts_greater.
1717 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
1718 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
1720 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1722 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
1724 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
1726 PR rtl-optimization/26235
1727 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
1728 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
1731 2006-02-13 Jeff Law <law@redhat.com>
1733 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
1736 2006-02-13 Jakub Jelinek <jakub@redhat.com>
1739 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
1740 twice if decl is a builtin. When trying again, call get_callee_fndecl
1741 first to verify it is still a builtin.
1743 2006-02-13 Geoffrey Keating <geoffk@apple.com>
1745 * dwarf2out.c (base_type_die): Don't add AT_name here.
1746 (subrange_type_die): Don't add AT_name here.
1747 (modified_type_die): Rearrange code flow. Do add AT_name here.
1749 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
1751 PR rtl-optimization/26247
1752 PR rtl-optimization/26248
1753 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
1755 2006-02-13 Richard Sandiford <richard@codesourcery.com>
1757 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
1758 * config/fixtfdi.c: Likewise.
1759 * config/fixunstfdi.c: Likewise.
1760 * config/floatditf.c: Likewise.
1762 2006-02-13 Roger Sayle <roger@eyesopen.com>
1765 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
1766 into (X,C2) if C1 is a subset of the bits of C2. Transform
1767 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
1769 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
1771 2006-02-13 Josh Conner <jconner@apple.com>
1774 * varasm.c (function_section): Check for section name before
1775 calling select_section on targets that define
1776 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
1777 unlikely_text_section instead of hot_function_section if
1778 first_function_block_is_cold.
1780 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
1783 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
1785 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1787 PR rtl-optimization/26222
1788 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
1789 after tree->rtl expansion.
1790 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
1791 before passing it to emit_move_insn.
1793 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
1795 * doc/invoke.texi (-Write-strings): Document that it is enabled by
1797 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
1798 Clarify documentation.
1799 * c-common.h (warn_write_strings): Remove.
1800 * c-common.c (warn_write_strings): Likewise.
1801 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
1804 2006-02-12 Roger Sayle <roger@eyesopen.com>
1807 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
1808 (do_jump_parts_zero_rtx): New function renamed from
1809 do_jump_parts_equality_rtx. Made static. Add a mode argument.
1810 (do_jump_parts_equality_rtx): New function split out from
1811 do_jump_parts_equality. Old implementation renamed as above.
1812 Call do_jump_parts_zero_rtx if either operand is zero.
1813 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
1814 do all of the heavy lifting.
1815 (do_compare_rtx_and_jump): Handle multi-word comparisons by
1816 calling either do_jump_by_parts_greater_rtx or
1817 do_jump_by_parts_equality_rtx.
1818 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
1819 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
1820 moved to do_compare_rtx_and_jump, call it directly.
1821 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
1822 mode argument. Call do_compare_rtx_and_jump.
1823 (emit_case_nodes): Update calls to do_jump_if_equal.
1825 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1827 PR rtl-optimization/26225
1828 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
1830 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1832 PR rtl-optimization/26232
1833 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
1835 2006-02-11 Jason Merrill <jason@redhat.com>
1838 * tree-inline.c (declare_return_variable): Just don't use the
1839 modify target if it's a gimple complex reg and the return slot
1842 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1844 * doc/contrib.texi: Update my entry.
1846 2006-02-10 Geoffrey Keating <geoffk@apple.com>
1848 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
1850 2006-02-10 Diego Novillo <dnovillo@redhat.com>
1852 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
1855 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
1857 * doc/invoke.texi (-floop-optimize2): Removed.
1858 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
1859 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
1860 Test flag_branch_on_count_reg only if HAVE_doloop_end.
1861 * common.opt (floop-optimize2): Removed.
1862 (fmove-loop-invariants): Enabled by default.
1864 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
1866 * tree-if-conv.c (combine_blocks): Free the result of
1867 get_loop_exit_edges.
1869 2006-02-10 Jeff Law <law@redhat.com>
1871 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
1873 PR tree-optimization/26213
1874 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
1875 loop trying to follow SSA_NAME_VALUE chains.
1877 2006-02-10 Richard Guenther <rguenther@suse.de>
1879 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
1880 deal with structures that end in implicitly variable sized arrays.
1882 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1884 PR rtl-optimization/24762
1885 * df-scan.c (df_bb_refs_record): Record correct registers defined on
1888 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1890 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
1891 (struct ivopts_data): Add regs_used field.
1892 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
1893 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
1894 instead of loop_data->regs_used;
1895 (free_loop_data): Do not free aux fields for loops.
1896 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
1897 and tree_ssa_iv_optimize_finalize.
1899 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
1901 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
1903 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
1906 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
1907 computing the effective result type.
1909 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
1912 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
1913 (tree_overlaps_hard_reg_set): Declare.
1914 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
1915 type and signature to match function type expected by walk_tree.
1916 (tree_overlaps_hard_reg_set): New function.
1917 (decl_conflicts_with_clobbers_p): Rename to:
1918 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
1919 Use tree_overlaps_hard_reg_set. Changed caller.
1920 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
1921 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
1922 * cris.c (cris_md_asm_clobbers): Likewise.
1924 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
1926 * reload1.c (emit_input_reload_insns): Delete code that tries to
1927 inherit using find_equiv_reg.
1929 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
1931 * c-common.h (flag_const_strings): Don't declare.
1932 * c-common.c (flag_const_strings): Remove.
1933 * c.opt (fconst_strings): Remove.
1934 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
1935 <OPT_Wwrite_strings>: Don't set flag_const_strings.
1936 (c_common_init_options): Don't set flag_const_strings.
1937 * doc/invoke.texi (-fno-const-strings): Remove documentation.
1939 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
1941 * arm.md (tlobits_cbranch): New pattern.
1942 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
1943 testing a single bit.
1945 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1948 * tree-ssa-pre.c (create_component_ref_by_pieces):
1949 Handle RETURN_DECL like VAR_DECL.
1951 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1954 * fold-const.c (fold_indirect_ref_1): Fold
1955 "*(foo *)&complexfoo" to "__real__ complexfoo"
1956 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
1958 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1960 * tree-flow-inline.h (var_can_have_subvars):
1961 Volatile variables should not have subvariables.
1963 2006-02-09 Diego Novillo <dnovillo@redhat.com>
1966 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
1967 multiplying unsigned values.
1970 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
1972 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
1974 2006-02-08 Jason Merrill <jason@redhat.com>
1977 * tree.def: Elaborate on difference from MODIFY_EXPR.
1978 * doc/c-tree.texi (INIT_EXPR): Likewise.
1979 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
1980 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
1981 (gimplify_target_expr): Likewise.
1982 (gimplify_cond_expr): Remove target handling.
1983 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
1984 (gimplify_expr): Clobber it here.
1985 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
1986 Do return slot optimization if we have an INIT_EXPR.
1989 * tree-inline.c (declare_return_variable): Also clear
1990 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
1993 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
1996 * gimplify.c (gimplify_one_sizepos): Fix typo.
1998 2006-02-08 Jeff Law <law@redhat.com>
2000 PR tree-optimization/21417
2001 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
2002 across a backedge if the control statement at the end of the
2003 block is data dependent on other statements in the same block.
2004 (record_temporary_equivalences_from_stmts): Remove over-conservative
2005 test for threading across backedges.
2007 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
2008 control statement, handle all three special cases in the same
2009 manner as they all have the same desired solution. No longer
2010 special case edge flag updating when the post dominator is
2013 2006-02-08 Roger Sayle <roger@eyesopen.com>
2015 * tree.def (CHAR_TYPE): Remove.
2016 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
2017 * dwarf2out.c (base_type_die, is_base_type): Likewise.
2018 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
2019 (gen_string_type_die): Delete unreachable function.
2021 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
2022 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
2023 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
2024 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
2025 * builtins.c (type_to_class): Likewise.
2026 * fold-const.c (fold_convert, build_range_check,
2027 merge_ranges): Likewise.
2028 * expr.c (count_type_elements): Likewise.
2029 * c-pretty-print.c (pp_c_type_specifier): Likewise.
2030 * stor-layout.c (layout_type): Likewise.
2031 * ipa-type-escape.c (type_to_consider): Likewise.
2032 * gimplify.c (omp_firstprivatize_type_sizes,
2033 gimplify_type_sizes): Likewise.
2034 * explow.c (promote_mode): Likewise.
2035 * tree-sra.c (is_sra_scalar_type): Likewise.
2036 * varasm.c (output_constant): Likewise.
2037 * tree-inline.c (remap_type_1): Likewise.
2038 * convert.c (convert_to_pointer, convert_to_real,
2039 convert_to_integer, convert_to_complex): Likewise.
2041 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
2043 * df-scan.c (df_def_record_1): A set destination may
2044 be a parallel regardless of mode.
2046 2006-02-08 Roger Sayle <roger@eyesopen.com>
2049 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
2050 * config/mips/_tilib.c: Remove.
2051 * config/fixtfdi.c: New libgcc source file.
2052 * config/fixunstfdi.c: New source file.
2053 * config/floatditf.c: New source file.
2054 * config/floatunditf.c: New souce file.
2055 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2056 files above instead of config/mips/_tilib.c.
2057 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2059 2006-02-08 Jeff Law <law@redhat.com>
2061 PR tree-optimization/26169
2062 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
2065 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
2067 * df.h (DF_REG_SIZE): Return the length of the initialized
2070 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
2072 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
2073 __muldf3): Return a correctly signed zero.
2075 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
2077 * passes.c (register_one_dump_file): Accept the current properties
2078 instead of pass number. Adjust call to dump_register. Remove
2080 (register_dump_files): Now a wrapper around...
2081 (register_dump_files_1): ... this one. Do not modify the pass
2083 (next_pass_1): Cosmetic fix.
2084 (execute_todo): Keep second parameter only. Use curr_properties
2085 instead of fetching it from the pass structure. Check and set
2087 (execute_one_pass): Handle TODO_set_props. Use curr_properties
2088 instead of fetching it from the pass structure. Fix calls to
2089 execute_todo. Update curr_properties and initialize .vcg RTL dump
2090 after running the pass. Reset last_verified.
2091 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
2093 (FIRST_AUTO_NUMBERED_DUMP): New.
2094 (dump_register): Remove "num" parameter, assign it within the
2096 (get_dump_file_name): Modify template for dumps.
2097 * tree-dump.h (dump_register): Adjust prototype.
2098 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
2099 (PROP_trees): Add PROP_gimple_lomp.
2100 (TODO_set_props): New.
2101 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
2102 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
2103 * cfgexpand.c (pass_expand): Destroy PROP_trees.
2105 2006-02-08 Jakub Jelinek <jakub@redhat.com>
2107 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
2108 (sparc64-*-linux*): Likewise.
2109 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
2110 * config/sparc/t-linux: New file.
2111 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
2112 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
2113 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
2114 -m32 -mlong-double-128.
2116 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
2117 * config/alpha/t-linux: New file.
2118 * config/alpha/libgcc-alpha-ldbl.ver: New file.
2120 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
2121 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
2122 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
2123 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
2124 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
2125 (CPP_ARCH32_SPEC): Remove.
2127 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
2129 PR tree-optimization/26145
2130 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
2133 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2136 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
2137 >= 240000 when generating code for SOM runtime.
2138 (output_indirect_call): Don't use "b,l" instruction for indirect calls
2139 to $$dyncall when generating code for SOM runtime..
2141 2006-02-07 Dirk Mueller <dmueller@suse.com>
2144 * doc/invoke.texi (-Wsequence-point): Update documentation
2145 that -Wsequence-point is implemented for C++ as well.
2147 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2149 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
2150 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
2151 (LIB_SPEC): Likewise.
2152 * doc/invoke.texi (SPARC options): Document -pthread.
2154 2006-02-07 Geoffrey Keating <geoffk@apple.com>
2156 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
2159 2006-02-07 Roger Sayle <roger@eyesopen.com>
2161 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
2162 Correct comment describing BOOLEAN_TYPE.
2164 2006-02-07 Dirk Mueller <dmueller@suse.com>
2166 * c.opt: C++ frontend supports -Wdiv-by-zero.
2167 * c-opts.c (c_common_handle_option): Remove dead case.
2169 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2171 * configure.ac (TLS assembler check): Do not enable TLS by
2172 default on SPARC/Solaris before version 10.
2173 * configure: Regenerate.
2175 2006-02-07 David Edelsohn <edelsohn@gnu.org>
2177 * doc/invoke.texi (xl-compat): Document conversion and support
2180 2006-02-07 Jeff Law <law@redhat.com>
2182 * tree-vrp.c (find_conditional_asserts): Update comments.
2183 (simplify_stmt_for_jump_threading): New.
2184 (identify_jump_threads, finalize_jump_threads): New.
2185 (vrp_finalize): Call identify_jump_threads.
2186 (execute_vrp): Call finalize_jump_threads.
2187 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
2188 (vrp_element, vrp_data, vrp_element_p): Remove.
2189 (vrp_hash_elt, vrp_variables_stack): Remove.
2190 (vrp_hash, vrp_eq, record_range): Remove.
2191 (simplify_cond_and_lookup_avail_expr): Remove.
2192 (extract_range_from_cond): Remove.
2193 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
2194 (simplify_stmt_for_jump_threading): New.
2195 (dom_thread_across_edge): New wrapper.
2196 (tree_ssa_dominator_optimize): No longer initialize or
2197 finalize any of the VRP datastructures. Remove iteration
2198 step and simplify as a result of removal of iteration step.
2199 (pass_dominator): Perform a cfg cleanup after DOM.
2200 (dom_opt_finalize_block): Use the new common routines
2201 for threading jumps. Simplify stack management slightly.
2202 No longer need to unwind VRP state.
2203 (record_equivalences_from_incoming_edge): No longer record
2205 (eliminate_redundant_computations): No longer call
2206 simplify_cond_and_lookup_avail_expr.
2207 * tree-flow.h (potentially_threadable_block): Prototype.
2208 (thread_across_edge): Likewise.
2209 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
2210 (tree-ssa-threadedge.o): Add dependencies.
2211 * tree-ssa-threadedge.c: New file.
2212 * passes.c (init_optimization_passes): Merge PHIs before
2213 calling VRP. Run VRP again late in the SSA optimization pipeline.
2215 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2217 * df-core.c (df_set_blocks): Do not dereference function pointers.
2218 (df_finish1): Likewise.
2219 (df_hybrid_search_forward): Likewise.
2220 (df_hybrid_search_backward): Likewise.
2221 (df_iterative_dataflow): Likewise.
2222 (df_analyze_problem): Likewise.
2223 (df_compact_blocks): Likewise.
2224 (df_dump): Likewise.
2225 * df-scan.c (df_rescan_blocks): Likewise.
2226 (df_record_entry_block_defs): Likewise.
2228 * genconditions.c (write_conditions): Guard the definition of
2229 'insn_conditions' with the check on GCC version.
2230 (write_writer): Guard the traversal 'insn_conditions' with
2231 the check on GCC version.
2233 2006-02-07 Richard Guenther <rguenther@suse.de>
2237 2006-01-30 Richard Guenther <rguenther@suse.de>
2239 * gimplify.c (gimplify_target_expr): Handle easy cases
2240 without creating a temporary.
2242 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
2244 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
2245 use of float in probability computations. Use edge probabilities
2246 in place of statically computed probabilities.
2247 (min_spec_prob): New static variable.
2248 (schedule_insns): Initialize it.
2249 (GET_SRC_PROB): Removed.
2250 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
2252 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
2255 * config/ia64/unwind-ia64.c: Revert last change.
2256 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
2257 (INCOMING_FRAME_SP_OFFSET): Define.
2259 2006-02-06 Roger Sayle <roger@eyesopen.com>
2261 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
2263 2006-02-07 Ben Elliston <bje@au.ibm.com>
2265 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
2266 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
2267 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
2268 (ix86_return_in_memory): Handle TDmode.
2269 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
2270 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
2272 2006-02-06 Richard Sandiford <richard@codesourcery.com>
2274 * reorg.c (dbr_schedule): Use dump_file instead of file.
2276 2006-02-06 Steve Ellcey <sje@cup.hp.com>
2279 * config/ia64/predicates.md (extr_len_operand): New predicate.
2280 * config/ia64/ia64.md (extv): Tighten constraints.
2282 (*tbit_and_2): Ditto.
2283 (*tbit_and_3): Ditto.
2284 (*tbit_or_2): Ditto.
2285 (*tbit_or_3): Ditto.
2289 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
2292 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
2294 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
2296 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
2297 loop_optimizer_init and loop_optimizer_finalize
2298 * tree-ssa-sink.c (execute_sink_code): Ditto.
2299 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2300 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
2301 tree_ssa_loop_done): Ditto.
2302 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
2303 * sched-ebb.c: Include output.h.
2304 (schedule_ebbs): Do not use dump argument.
2305 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
2306 * loop.c (loop_dump_stream): Removed.
2307 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
2309 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
2310 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
2311 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
2312 loop_iterations, strength_reduce, record_biv, record_giv,
2313 final_giv_value, check_final_value, check_ext_dependent_givs,
2314 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
2315 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
2316 dump_file instead of loop_dump_stream.
2317 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
2319 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
2321 * flow.c (life_analysis, rest_of_handle_life): Ditto.
2322 * haifa-sched.c: Include output.h
2323 (schedule_insns, sched_init): Do not use dump argument.
2324 * mode-switching.c (optimize_mode_switching): Ditto.
2325 * modulo-sched.c (stats_file): Removed.
2326 (print_node_sched_params): Do not call argument dump_file.
2327 (sms_schedule_by_order, loop_canon_p, sms_schedule,
2328 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
2330 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
2332 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
2333 rtl_loop_init, rtl_loop_done): Ditto.
2334 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
2335 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
2337 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
2338 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
2339 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
2340 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
2341 * emit-rtl.c (renumber_insns): Ditto.
2342 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
2343 expand_gimple_basic_block, tree_expand_cfg): Ditto.
2344 * regclass.c (regclass): Ditto.
2345 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
2346 remove_ssa_form, rewrite_out_of_ssa): Ditto.
2347 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
2348 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
2350 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
2351 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
2353 * gcse.c (gcse_file, debug_stderr): Removed.
2354 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
2355 rest_of_handle_gcse): Do not use dump argument.
2356 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
2357 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
2358 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
2359 compute_code_hoist_vbeinout, compute_code_hoist_data,
2360 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
2361 compute_store_table, build_store_vectors, insert_insn_start_bb,
2362 insert_store, remove_reachable_equiv_notes, replace_store_insn,
2363 store_motion): Use dump_file instead of gcse_file.
2364 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
2365 * profile.c (profile_dump_file): Removed.
2366 (branch_prob): Use dump_file instead of profile_dump_file.
2367 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
2369 * tree-ssa-copy.c (dump_copy_of): Ditto.
2370 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
2371 dump file to life_analysis.
2372 * bt-load.c (branch_target_load_optimize): Ditto.
2373 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
2375 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
2376 regclass, dbr_schedule): Declaration changed.
2377 * sched-int.h (sched_init): Declaration changed.
2378 * tree-profile.c (tree_profile_dump_file): Removed.
2379 (tree_profile_hooks): Removed profile_dump_file hook.
2380 * rtl-profile (rtl_profile_dump_file): Removed.
2381 (rtl_profile_hooks): emoved profile_dump_file hook.
2382 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
2384 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
2385 * tree-cfg.c (build_tree_cfg): Ditto.
2386 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
2387 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
2388 Declaration changed.
2389 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
2390 life_analysis and schedule_insns.
2391 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
2393 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
2395 * config/mips/mips.c (mips_reorg): Ditto.
2396 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
2399 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
2401 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2402 (s390_mangle_fundamental_type): New.
2403 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2406 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2407 (alpha_mangle_fundamental_type): New.
2408 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2411 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2413 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2415 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2416 (sparc_mangle_fundamental_type): New.
2418 2006-02-06 Jakub Jelinek <jakub@redhat.com>
2420 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
2421 (s390x-*-linux*): Likewise.
2422 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
2423 * config/s390/t-linux: New file.
2425 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2427 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
2428 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
2430 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
2432 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
2433 (ANTIC_SAFE_LOADS): New macro.
2434 (find_or_generate_expression): Add prototype.
2435 (set_contains_value): Allow null set for sake of not always having
2436 to allocate ANTIC_SAFE_LOADS.
2437 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
2438 Allow COMPONENT_REF too.
2439 (valid_in_set): Allow COMPONENT_REF.
2440 Check ANTIC_SAFE_LOADS too.
2441 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
2442 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
2444 (can_PRE_operation): Add COMPONENT_REF.
2445 (create_component_ref_by_pieces): New function.
2446 (create_expression_by_pieces): Use create_component_ref_by_pieces.
2447 (insert_aux): Move AGGREGATE_TYPE_P check here.
2448 (compute_avail): Set bb local stmt uids.
2449 (pass_pre): Use TODO_update_ssa_only_virtuals.
2451 2006-02-06 Ben Elliston <bje@au.ibm.com>
2453 * configure.ac: Unconditionally disable decimal float by default.
2454 * configure: Regenerate.
2456 2006-02-06 Ben Elliston <bje@au.ibm.com>
2458 * read-rtl.c (read_name): Terminate reading on EOF.
2460 2006-02-06 Ben Elliston <bje@au.ibm.com>
2462 * dfp.c (decimal_real_arithmetic): Change second argument type
2463 from int to enum tree_code. Do not always return true, but now
2464 return result of any call to decimal_do helper functions.
2465 * dfp.h (decimal_real_arithmetic): Update prototype.
2467 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
2469 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
2471 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
2474 * tree-cfg.c (cleanup_dead_labels): Also don't remove
2477 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2479 * tree-vrp.c (cfg_loops): Removed.
2480 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
2481 Use current_loops instead of cfg_loops. Pass flags to
2482 loop_optimizer_init.
2483 * cfgloopmanip.c (fix_loop_structure): Update only available
2485 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
2486 loop_optimizer_init.
2487 * modulo-sched.c (build_loops_structure): Removed.
2488 (sms_schedule): Use loop_optimizer_init.
2489 * loop-init.c (loop_optimizer_init): Use flags to determine
2490 which properties of loops to prepare.
2491 (rtl_loop_init): Pass flags to loop_optimizer_init.
2492 * tree-ssa-sink.c (execute_sink_code): Ditto.
2493 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
2494 * tree-ssa-pre.c (init_pre): Ditto.
2495 * cfgloop.h (LOOPS_NORMAL): New.
2496 (loop_optimizer_init): Declaration changed.
2498 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2500 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
2501 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
2503 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
2505 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
2507 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
2508 * pa/t-pa64: Delete quadlib.c rule.
2509 * pa/x-ada: Revert last change.
2510 * pa/t-pa: Revert last change. Delete quadlib.c rule.
2512 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2514 PR rtl-optimization/26087
2515 * rtlanal.c (canonicalize_condition): Do not cross basic block
2518 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
2521 * config/ia64/ia64.c: Include debug.h.
2522 (MAX_ARTIFICIAL_LABEL_BYTES): New.
2523 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
2524 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
2525 (process_epilogue, process_set, process_for_unwind_directive):
2526 Output unwind info only if requested. Add CFA info if requested.
2527 Add new arguments as needed. Adjust callers.
2528 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
2530 (DWARF2_FRAME_INFO): Define to zero.
2531 * config/ia64/unwind-ia64.c: Remove code that compensated for
2532 the CFA offset error fixed above.
2533 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
2534 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
2535 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
2536 -funwind-tables and -fexceptions to enable frame info.
2537 (dwarf2out_frame_init): Define initial CFA even if
2538 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
2539 DWARF2_UNWIND_INFO is nonzero, not just defined.
2540 (dwarf2out_frame_finish): Output non-EH call frame info only
2541 if DWARF2_FRAME_INFO is nonzero.
2542 (convert_cfa_to_loc_list,
2543 compute_frame_pointer_to_cfa_displacement): Define even if
2544 unwind info is not supported.
2545 (gen_subprogram_die): Use the above unconditionally. Remove
2546 legacy alternate code.
2547 * toplev.c (compile_file): Compile in call to
2548 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
2549 (lang_dependent_init): Ditto for dwarf2out_frame_init.
2551 2006-02-04 David Edelsohn <edelsohn@gnu.org>
2552 Jakub Jelinek <jakub@redhat.com>
2554 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
2555 IBM extended float format long double as "g" on powerpc*-linux.
2557 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2560 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
2561 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
2563 2006-02-03 Jason Merrill <jason@redhat.com>
2566 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
2569 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
2570 on the return slot if it's an NRV.
2572 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
2574 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
2575 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
2576 rewrite_use): Do not handle USE_OUTER.
2577 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
2578 add_iv_outer_candidates, may_replace_final_value,
2579 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
2580 (find_interesting_uses_op): Functionality of
2581 find_interesting_uses_outer_or_nonlin moved here.
2582 (find_interesting_uses_outside): Use find_interesting_uses_op.
2584 2006-02-03 Alan Modra <amodra@bigpond.net.au>
2587 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
2589 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
2590 Ulrich Weigand <uweigand@de.ibm.com>
2593 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
2594 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
2595 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
2596 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
2598 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
2599 (s390_rtx_costs): Use the new fields to calculate rtx costs.
2600 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
2601 Define secondary reloads for TFmode moves.
2602 (constant_modes): Add TFmode.
2603 (NR_C_MODES): Set to 8.
2604 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
2606 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
2607 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
2608 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
2609 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
2610 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
2611 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
2612 (FPR mode macro): Add TFmode.
2613 (DSF mode macro): New.
2614 (<de>, <dee> mode attributes): Removed.
2615 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
2616 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
2617 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
2618 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
2619 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
2620 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
2621 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
2622 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
2623 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
2624 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
2625 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
2626 "*negabs<mode>2", "sqrt<mode>2"):
2627 Changed <de> to <xde>. R constraint replaced by <Rf>.
2628 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
2630 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
2631 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
2632 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
2634 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
2635 "extenddftf2", "extendsftf2"): New expanders.
2636 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
2637 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
2638 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
2639 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
2641 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
2642 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
2643 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
2644 __floatditf): Add a GCC_4.1.0 symbol version tag.
2645 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
2648 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
2651 * config/i386/i386.c (ix86_function_ok_for_sibcall):
2652 Use targetm.binds_local_p instead of TREE_PUBLIC.
2654 2006-02-02 Roger Sayle <roger@eyesopen.com>
2656 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
2657 on INTEGER_TYPEs to indicate that it denotes a character type.
2658 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
2659 signed_char_type_node, unsigned_char_type_node and char_type_node.
2660 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
2661 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
2662 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
2664 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
2665 Daniel Berlin <dberlin@dberlin.org>
2667 * tree-tailcall.c (arg_needs_copy_p): New function.
2668 (eliminate_tail_call): Use arg_needs_copy_p.
2669 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
2670 (add_virtual_phis): New function.
2672 2006-02-02 Jakub Jelinek <jakub@redhat.com>
2674 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
2675 #ignore instead of #scratch for %g7 .register directive.
2677 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
2679 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
2682 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2684 * flow.c (calculate_global_regs_live): Assert that there aren't any
2687 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
2689 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
2691 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
2692 bsi_after_labels iterator.
2693 * tree-if-conv.c (find_phi_replacement_condition,
2694 replace_phi_with_cond_modify_expr): Likewise.
2695 * tree-scalar-evolution.c (scev_const_prop): Likewise.
2696 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
2698 2006-02-02 Diego Novillo <dnovillo@redhat.com>
2700 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
2702 2006-02-02 Diego Novillo <dnovillo@redhat.com>
2705 * tree-cfg.c (move_block_to_fn): Clear out the basic block
2706 array after growing it.
2708 2006-02-01 Steve Ellcey <sje@cup.hp.com>
2711 * fold-const.c (fold_checksum_tree): Change type of buf.
2713 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
2715 * reload.c (push_secondary_reload): Initialize t_icode.
2717 2006-02-01 Jakub Jelinek <jakub@redhat.com>
2719 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
2720 -msoft-float -mlong-double-128 only issue a warning, but don't
2721 swich to DFmode long double.
2723 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
2725 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
2726 has a constant equivalent, iterate over equivalents for arg0,
2727 calling simplify_relational_operation and if there's a result
2728 cheaper than X, apply fold_rtx and return the result.
2730 2006-02-01 Jan Hubicka <jh@suse.cz>
2732 * opts.c (no_unit_at_a_time_default): New global variable.
2733 (decode_options): Use it.
2734 * opts.h (no_unit_at_a_time_default): Declare.
2736 2006-02-01 Paul Brook <paul@codesourcery.com>
2738 * function.c (assign_parm_setup_reg): Use function argument promotion
2740 * expr.c (expand_expr_real_1): Use function argument promotion rules
2743 2006-02-01 Steve Ellcey <sje@cup.hp.com>
2745 * gcc.c (process_command): Change j to 'unsigned int'.
2747 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2750 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
2751 Use the corrected index for the character
2752 out of the string constant.
2754 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2756 * mode-switching.c (optimize_mode_switching): Fix size
2757 allocated for bb_info[n_entities].
2759 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2761 * gcc.c (main): Correct type that is allocated for
2762 explicit_link_files.
2764 2006-01-31 Jakub Jelinek <jakub@redhat.com>
2766 * config/s390/s390.c (init_alignment_context): Set
2767 ALIAS_SET_MEMORY_BARRIER on the MEM.
2768 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
2770 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
2773 * loop-unroll.c (unroll_loop_runtime_iterations): Free
2775 * tree-ssa-live.c (type_var_init): Allocate bitmap after
2778 2006-01-31 Marcin Dalecki <martin@dalecki.de>
2780 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
2781 * regrename.c: Ditto.
2782 * tree-ssa-loop-im.c: Ditto.
2783 * tree-dump.c: Ditto.
2784 * tree-complex.c: Ditto.
2785 * genrecog.c: Ditto.
2786 * tree-ssa-threadupdate.c: Ditto.
2788 * java/class.c: Ditto.
2789 * java/jcf-parse.c: Ditto.
2790 * java/resource.c: Ditto.
2791 * java/except.c: Ditto.
2792 * java/jvspec.c: Ditto.
2793 * java/jcf-write.c: Ditto.
2794 * java/jcf-path.c: Ditto.
2795 * java/gjavah.c: Ditto.
2796 * java/zextract.c: Ditto.
2797 * java/jcf-io.c: Ditto.
2798 * java/jcf.h: Ditto.
2799 * java/buffer.c: Ditto.
2800 * java/lang.c: Ditto.
2801 * java/parse-scan.y: Ditto.
2802 * java/lex.c: Ditto.
2803 * java/lex.h: Ditto.
2804 * cfgloopmanip.c: Ditto.
2805 * postreload-gcse.c: Ditto.
2806 * tree-ssa-loop-manip.c: Ditto.
2807 * postreload.c: Ditto.
2808 * tree-ssa-loop-ch.c: Ditto.
2812 * diagnostic.c: Ditto.
2814 * genoutput.c: Ditto.
2816 * cfghooks.c: Ditto.
2817 * cfgloopanal.c: Ditto.
2818 * objc/objc-act.c: Ditto.
2820 * genextract.c: Ditto.
2821 * genautomata.c: Ditto.
2822 * pretty-print.c: Ditto.
2824 * cgraphunit.c: Ditto.
2827 * haifa-sched.c: Ditto.
2828 * dominance.c: Ditto.
2830 * tree-ssa-loop-ivopts.c: Ditto.
2832 * mode-switching.c: Ditto.
2833 * modulo-sched.c: Ditto.
2835 * ipa-pure-const.c: Ditto.
2837 * fix-header.c: Ditto.
2839 * tree-stdarg.c: Ditto.
2840 * ipa-utils.c: Ditto.
2841 * loop-init.c: Ditto.
2842 * ipa-inline.c: Ditto.
2845 * alloc-pool.c: Ditto.
2846 * dwarf2out.c: Ditto.
2848 * genattrtab.c: Ditto.
2849 * tree-ssa-loop-ivcanon.c: Ditto.
2853 * fortran/gfortranspec.c: Ditto.
2855 * local-alloc.c: Ditto.
2856 * langhooks.c: Ditto.
2857 * function.c: Ditto.
2858 * tree-vectorizer.c: Ditto.
2860 * ipa-type-escape.c: Ditto.
2862 * tree-if-conv.c: Ditto.
2865 * tree-data-ref.c: Ditto.
2866 * loop-unroll.c: Ditto.
2867 * treelang/treetree.c: Ditto.
2870 * ggc-common.c: Ditto.
2872 * coverage.c: Ditto.
2874 * tree-cfgcleanup.c: Ditto.
2875 * tree-ssa-pre.c: Ditto.
2876 * cfgcleanup.c: Ditto.
2877 * loop-invariant.c: Ditto.
2879 * ipa-prop.c: Ditto.
2880 * print-tree.c: Ditto.
2881 * conflict.c: Ditto.
2882 * ggc-page.c: Ditto.
2883 * sched-deps.c: Ditto.
2884 * regclass.c: Ditto.
2885 * tree-object-size.c: Ditto.
2887 * bb-reorder.c: Ditto.
2888 * resource.c: Ditto.
2889 * var-tracking.c: Ditto.
2891 * df-problems.c: Ditto.
2892 * reg-stack.c: Ditto.
2895 * sched-rgn.c: Ditto.
2896 * tree-ssa-structalias.c: Ditto.
2897 * tree-ssa-reassoc.c: Ditto.
2898 * config/darwin-c.c: Ditto.
2899 * config/darwin.c: Ditto.
2900 * config/arm/arm.c: Ditto.
2902 * collect2.c: Ditto.
2905 2006-01-31 Nicolas Pitre <nico@cam.org>
2907 * arm.md (smaxsi3): Make aware of smax_m1.
2910 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
2912 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
2914 2006-01-31 Richard Guenther <rguenther@suse.de>
2916 * doc/invoke.texi (-msselibm): Document.
2917 * target.h (expand_library_builtin): New target hook.
2918 * builtins.c (expand_builtin): Use expand_library_builtin.
2919 (default_expand_library_builtin): New function.
2920 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2921 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2922 (link_gcc_math_spec): Declare.
2923 (static_specs): Add link_gcc_math_spec.
2924 * expr.h (default_expand_library_builtin): Declare.
2925 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2926 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2927 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2928 * config/i386/i386.opt (msselibm): New target option.
2929 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2930 (ix86_init_sse_abi_builtins): New function.
2931 (ix86_expand_library_builtin): Likewise.
2932 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2933 (override_options): Handle error conditions wrt -msselibm.
2934 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2935 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2936 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2939 2006-01-31 Richard Guenther <rguenther@suse.de>
2940 Paolo Bonzini <bonzini@gnu.org>
2942 * doc/install.texi (--disable-libgcc-math): Document.
2944 2006-01-30 Marcin Dalecki <martin@dalecki.de>
2946 * expr.h (expand_normal): new inline function.
2947 * builtins.c: use it, use EXPAND_NORMAL explicitely.
2949 * dwarf2out.c: use it.
2954 * config/sparc/sparc.c: use it.
2955 * config/i386/i386.c: use it.
2956 * config/rs6000/rs6000.c: use it.
2957 * config/arm/arm.c: use it.
2958 * config/mips/mips.c: use it.
2959 * stmt.c: use it, use EXPAND_NORMAL explicitely.
2961 2006-01-30 Roger Sayle <roger@eyesopen.com>
2963 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
2964 argv to the appropriate type.
2966 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
2968 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
2971 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
2974 * config/s390/s390.c (struct machine_function): New flag
2975 decomposed_literal_pool_addresses_ok_p.
2976 (s390_reorg): Set it before final stage of literal pool transforms.
2977 (s390_decompose_address): Only accept displacements of the form
2978 (minus (label_ref ...) (label_ref ...)) if that flag is set.
2980 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
2982 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
2983 the comparison routine return.
2985 2006-01-30 Michael Matz <matz@suse.de>
2987 * global.c (find_reg): Only evict for global regs.
2988 Take n_refs into account and dump more info.
2990 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
2993 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
2994 (pragma_trap, pragma_nosave_low_regs): Likewise.
2995 (current_function_anonymous_args): Likewise.
2996 (sh_deferred_function_attributes): New variable.
2997 (sh_deferred_function_attributes_tail): Likewise.
2998 (print_operand): For '@', look up trap_exit attribute.
2999 (calc_live_regs): Look up trapa_handler attribute. For trapa
3000 handlers, save/restore fpscr, but don't do any other
3001 interrupt-specific saves.
3002 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
3003 Fix check for partially saved registers to check for SHmedia.
3004 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
3005 (sh_output_function_epilogue): Don't clear any of the removed
3007 (sh_insert_attributes): Don't check pragma_interrupt.
3008 Insert deferred attributes. Check that interrupt attribute is
3009 present for other attributes that require its presence.
3010 (sh_attribute_table): Add new attributes trapa_handler and
3012 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
3013 Don't check for pragma_interrupt. Don't store argument.
3014 * sh.h (pragma_interrupt, sp_switch): Don't declare.
3015 (sh_deferred_function_attributes): Declare.
3016 (sh_deferred_function_attributes_tail): Likewise.
3017 * sh.md (sp_switch_1): Add operand. Change generator caller.
3018 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
3019 (*return_i): Don't use when trap_exit attribute is in effect.
3020 (*return_trapa): New insn pattern.
3022 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
3023 setting c_target_objs and cxx_target_objs.
3024 * t-sh: Add rule for sh-c.o.
3026 2006-01-30 Richard Guenther <rguenther@suse.de>
3029 * gimplify.c (gimplify_target_expr): Handle easy cases
3030 without creating a temporary.
3032 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
3034 * vec.h (safe_grow): Remove duplicated line.
3036 2006-01-29 Diego Novillo <dnovillo@redhat.com>
3039 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
3040 (expand_omp): ... here.
3041 (expand_omp_parallel): Only remove barriers for combined
3042 parallel+workshare constructs.
3044 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
3048 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3049 * tree.c (build_qualified_type): Chain the new type to the original
3050 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3051 a POINTER_TYPE or a REFERENCE_TYPE respectively.
3052 (build_pointer_type_for_mode): Only return unqualified types.
3053 (build_reference_type_for_mode): Likewise.
3055 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
3057 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
3058 * Makefile.in (CXX_COMPAT_WARN): Define.
3059 * configure: Regenerate.
3061 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
3064 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
3067 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3069 * toplev.c: Fix thinko.
3071 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3072 Marcin Dalecki <martin@dalecki.de>
3074 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
3075 (push_srcloc): Use XNEW.
3076 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
3078 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3080 * df-core.c (df_set_blocks): Deleted all variable.
3082 2006-01-28 Ian Lance Taylor <ian@airs.com>
3084 * cgraphunit.c (cgraph_assemble_pending_functions): Call
3085 cgraph_output_pending_asms.
3087 2006-01-28 Zack Weinberg <zackw@panix.com>
3089 * c.opt: Add -W(no-)overlength-strings.
3090 * doc/invoke.texi: Document it.
3091 * c-opts.c (c_common_handle_option): -pedantic implies
3092 -Woverlength-strings, if not explicitly disabled already.
3093 (c_common_post_options): -Woverlength-strings defaults to off, and
3094 is always off for C++.
3095 * c-common.c (fix_string_type): Issue warning about strings longer
3096 than is portable only if warn_overlength_strings. Rearrange code
3097 a little for clarity.
3098 * configure.in: Check for -Wno-overlength-strings as well before
3099 enabling -pedantic in stage 1.
3100 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
3101 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
3103 * genconditions.c (write_header, write_one_condition)
3104 (write_conditions, write_writer): Consolidate very long strings
3105 that were broken up to fit in C89 portable limit. Don't use
3106 printf when fputs will do.
3108 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
3110 * combine.c (simplify_comparison <AND>): Check
3111 TRULY_NOOP_TRUNCATION before start using a subreg.
3113 * config/mips/mips.md (*branch_zero<mode>,
3114 *branch_zero<mode>_inverted, *branch_equality<mode>,
3115 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
3116 Remove mode check from comparisons.
3118 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
3120 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
3122 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3124 * expmed.c (const_mult_add_overflow_p): Remove.
3125 * expr.h: Remove the prototype for const_mult_add_overflow_p.
3127 * recog.c (validate_replace_rtx_subexp): Remove.
3128 * recog.h: Remove the prototype for
3129 validate_replace_rtx_subexp.
3131 * integrate.h: Remove the prototype for
3132 copy_decl_for_inlining.
3133 * rtl.h: Remove the prototype for mark_constant_function.
3134 * tree-vectorizer.h: Remove the prototype for
3135 vect_strip_conversion.
3137 * modulo-sched.c (create_partial_schedule,
3138 free_partial_schedule, reset_partial_schedule): Make them
3141 * hooks.c (hook_bool_rtx_int_false): Remove.
3142 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
3144 2006-01-28 David Edelsohn <edelsohn@gnu.org>
3146 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3147 and -mlong-double-128 are incompatible.
3148 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
3149 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
3150 (TARGET_LIBGCC2_CFLAGS): Define.
3151 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
3152 (TARGET_LIBGCC2_CFLAGS): Same.
3153 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
3155 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3158 * c-typeck.c (build_binary_op): Perform implicit casts of
3159 operands before shortening them.
3161 * cfgloopmanip.c (split_loop_bb): Remove.
3162 * cfgloop.h: Remove the prototype for split_loop_bb.
3164 * cfgloop.c (flow_loop_outside_edge_p): Remove.
3165 * cfgloop.h: Remove the prototype for
3166 flow_loop_outside_edge_p.
3168 * emit-rtl.c (init_virtual_regs): Make it static.
3169 * function.h: Remove the prototype for init_virtual_regs.
3171 * recog.c (peephole2_optimize): Make it static.
3172 * recog.h: Remove the prototype for peephole2_optimize.
3174 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3176 * df-scan.c (df_record_entry_block_defs): Check if
3177 INCOMING_RETURN_ADDR_RTX is defined.
3179 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
3180 Kenneth Zadeck <zadeck@naturalbridge.com>
3182 PR rtl-optimization/24762
3183 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3184 * targhooks.c (hook_void_bitmap): New hook prototype.
3185 * targhoohs.h (hook_void_bitmap): Ditto.
3186 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
3187 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
3188 * target.h (live_on_entry): New function pointer.
3189 * df-scan.c (df_all_hard_regs): Removed.
3190 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
3191 (df_scan_free_internal): Added df->entry_block_defs.
3192 (df_scan_alloc): Ditto.
3193 (df_scan_dump): Ditto.
3194 (df_uses_record): Plumbed flag field properly thru calls.
3195 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
3196 This part fixes PR24762.
3197 (df_bb_refs_record): Added code to make the frame and arg
3198 pointers live in EH blocks.
3199 (df_refs_record): Added call to df_record_entry_block_defs.
3200 (df_record_entry_block_defs): New function.
3201 * df-core.c: Added comments to describe new artifical defs.
3202 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
3203 (entry_block_defs): New field in struct df.
3204 (df_all_hard_regs): Deleted.
3205 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3206 * df-problems.c (df_ru_bb_local_compute_process_def):
3207 Added code to handle artifical defs in the entry to a function.
3208 (df_ru_bb_local_compute): Ditto.
3209 (df_rd_bb_local_compute_process_def): Ditto.
3210 (df_rd_bb_local_compute): Ditto.
3211 (df_lr_bb_local_compute): Ditto.
3212 (df_ur_bb_local_compute): Ditto.
3213 (df_urec_bb_local_compute): Ditto.
3214 (df_chain_create_bb): Ditto.
3215 (df_ur_local_finalize): Removed entry.
3216 (df_urec_init): Ditto.
3217 (df_urec_local_finalize): Ditto.
3218 (df_ri_bb_compute): Added detection of last use of pseudos.
3219 * Makefile.in (df-scan.o): Updated dependencies.
3220 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
3221 * config/mips/mips.c (mips_set_live_on_entry): Added.
3222 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
3224 * dce.c (marked_insn_p): Added code to handle artifical defs.
3226 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3228 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
3230 (_mm_cvtsi128_si64): Likewise.
3231 (_mm_cvtsd_si64): Likewise.
3232 (_mm_cvttsd_si64): Likewise.
3233 (_mm_cvtsi64_sd): Likewise.
3234 (_mm_cvtsi64_si128): Likewise.
3235 * config/i386/mmintrin.h (_m_from_int64): Likewise.
3236 (_mm_cvtsi64_m64): Likewise.
3237 (_m_to_int64): Likewise.
3238 (_mm_cvtm64_si64): Likewise.
3239 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
3240 (_mm_cvttss_si64): Likewise.
3241 (_mm_cvtsi64_ss): Likewise.
3242 (_mm_cvtss_f32): Likewise.
3244 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
3246 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
3247 for pragma redefine_extname.
3249 2006-01-27 Jakub Jelinek <jakub@redhat.com>
3252 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
3253 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
3254 -mno-minimal-toc to previous content.
3255 (bispecs): Remove goal.
3256 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
3257 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
3258 compatibility aliases on powerpc-*-*gnu*.
3259 * config/rs6000/libgcc-ppc-glibc.ver: New file.
3260 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
3261 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
3262 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
3263 (ldblspecs): New goal.
3264 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
3265 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
3267 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
3268 L_sf_to_tf or L_df_to_tf is defined.
3270 2006-01-27 David Edelsohn <edelsohn@gnu.org>
3271 Alan Modra <amodra@bigpond.net.au>
3274 * config/rs6000/linux.h (POWERPC_LINUX): Define.
3275 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
3276 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
3277 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
3278 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
3279 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
3280 (rs6000_override_options): Initialize rs6000_ieeequad.
3281 Initialize TFmode format to ibm_extended_format if not
3283 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
3285 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
3286 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
3287 (function_arg_advance): IBM long double passed in two FPRs, not
3289 (function_arg): IBM long double passed in FPRs.
3290 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
3291 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
3292 Only multireg GPR aligned.
3293 (rs6000_init_libfuncs): Enable IBM long double functions if not
3295 (rs6000_generate_compare): Use IBM long double compare if not
3297 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
3298 (TARGET_IEEEQUAD): Define.
3299 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
3300 not TARGET_IEEEQUAD.
3301 * config/rs6000/rs6000.md: Enable TFmode patterns if
3303 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
3304 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3305 and -mlong-double-128 are incompatible.
3306 * doc/invoke.texi (-mabi): Collect options together. Add
3307 ibmlongdouble and ieeelongdouble.
3309 2006-01-27 Richard Sandiford <richard@codesourcery.com>
3311 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
3313 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
3314 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
3315 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
3316 * rtl.h (rtunion_def): Remove rt_ptr.
3318 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
3319 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
3320 * config/i386/winnt.c (i386_pe_mark_dllexport)
3321 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
3323 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
3325 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
3327 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3331 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
3332 pthread_key_delete. From John David Anglin. gthrw-ify
3333 pthread_getunique_np only if it it's not a macro. Delete
3335 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
3336 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
3337 __gthread_objc_condition_signal, __gthread_key_delete): Add
3338 "__attribute__ ((__unused__))" to unused arguments.
3339 (__gthread_recursive_mutex_init_function): Add missing return.
3340 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
3341 gthr-posix95.h: Use macro-based approach for name redirection
3342 on targets missing weakref.
3344 2006-01-26 Zack Weinberg <zackw@panix.com>
3346 * genconditions.c (write_header): In generated code, #ifdef out
3347 all includes and fake declarations, except includes of bconfig.h
3348 and system.h, unless GCC_VERSION >= 3001. Do not include
3349 gensupport.h in any case.
3350 (write_conditions): Generate a definition of struct c_test. Add
3351 a comment to the generated #endif.
3352 (write_one_condition): Escape backslashes in string too.
3353 (write_writer): Generated code must escape backslashes and quote
3354 marks (but not newlines) in the strings it writes.
3355 * Makefile.in (build/gencondmd.o): Update dependencies.
3357 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3360 * Makefile.in (insn-automata.o): Add header file dependencies.
3361 * genautomata.c: Add includes.
3363 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3366 * Makefile.in (insn-automata.o): Add -Wno-error flag.
3368 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3370 * configure.ac: Expect target tools paths to be passed from the toplevel
3371 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
3373 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
3375 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3378 * c.opt (Wpointer-sign): Init to -1.
3379 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
3380 OPT_pedantic, to 0 otherwise.
3381 * doc/invoke.texi: Update.
3383 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3385 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
3386 constants provided by 80387 instructions in the destination mode.
3388 2006-01-26 Richard Guenther <rguenther@suse.de>
3389 Andrew Pinski <pinskia@physics.uc.edu>
3392 partial PR tree-opt/17064
3393 * tree-ssa-structalias.c (intra_create_variable_infos):
3394 Create heap variables for incoming parameters if
3395 flag_argument_noalias > 1.
3396 (find_what_p_points_to): Look through default defs of
3399 2006-01-26 Jeff Law <law@redhat.com>
3402 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
3403 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
3404 within the VR_RANGE, use the VR_RANGE as the result, not the
3406 (adjust_range_with_scev): Reject ranges from SCEV which are out of
3407 bounds for the type.
3409 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
3411 * tree-ssa-alias.c (maybe_create_global_var): Change
3412 subvar walking to an assertion that we don't have subvar'd variables.
3414 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
3417 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
3418 Use a new variable, inner. PARM_DECLs are always non-weak.
3420 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
3422 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
3425 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
3427 * config/mips/mips.md (*clear_upper32): New combiner pattern.
3429 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
3431 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
3432 (smax_insn, smin_insn, smax_0, smin_0): New.
3434 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
3437 * config/cris/cris.c (cris_order_for_addsi3): New function.
3438 * config/cris/cris-protos.h: Prototype it.
3439 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
3440 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
3441 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
3442 (split for "op.S1 [rx=rx+i],ry (swapped)")
3443 (split for "op(s|u).S1 [rx=rx+i],ry")
3444 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
3445 Apply cris_order_for_addsi3 when generating addsi3 insns.
3447 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3449 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
3450 (TREE_BLOCK): Add call to EXPR_CHECK.
3452 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3455 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
3456 * tree-pretty-print.c (dump_omp_clause): Extract from ...
3457 (dump_omp_clauses): ... here.
3458 (dump_generic_node): Handle OMP_CLAUSE.
3459 * tree.c (omp_clause_num_ops): New.
3460 (omp_clause_code_name): New.
3461 (tree_code_size): Handle OMP_CLAUSE.
3462 (tree_size): Likewise.
3463 (make_node): Document handling of OMP_CLAUSE.
3464 (tree_node_structure): Handle OMP_CLAUSE.
3465 (omp_clause_check_failed): New.
3466 (omp_clause_range_check_failed): New.
3467 (omp_clause_operand_check_failed): New.
3468 (build_omp_clause): New.
3469 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
3470 * tree.h (enum omp_clause_code): Declare.
3471 (OMP_CLAUSE_SUBCODE_CHECK): Define.
3472 (OMP_CLAUSE_RANGE_CHECK): Define.
3473 (OMP_CLAUSE_ELT_CHECK): Define.
3474 (omp_clause_check_failed): Declare.
3475 (omp_clause_operand_check_failed): Declare.
3476 (omp_clause_range_check_failed): Declare.
3477 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
3478 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
3479 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
3480 (OMP_CLAUSE_LASTPRIVATE): Likewise.
3481 (OMP_CLAUSE_IF_EXPR): Likewise.
3482 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
3483 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
3484 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
3485 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
3486 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
3487 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
3488 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
3489 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
3490 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
3491 (OMP_CLAUSE_CODE): Define.
3492 (OMP_CLAUSE_SET_CODE): Define.
3493 (OMP_CLAUSE_CODE): Define.
3494 (OMP_CLAUSE_OPERAND): Define.
3495 (struct tree_omp_clause): Declare.
3496 (union tree_node): Add field 'omp_clause'.
3497 * treestruct.def (TS_OMP_CLAUSE): Define.
3498 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
3499 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
3500 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
3501 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
3502 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
3503 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
3504 (OMP_CLAUSE): Define.
3505 * print-tree.c (print_node): Handle OMP_CLAUSE.
3506 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
3507 * c-typeck.c: Likewise.
3508 * gimplify.c: Likewise.
3509 * c-omp.c: Likewise.
3510 * tree-nested.c: Likewise.
3511 * tree-inline.c: Likewise.
3512 * c-parser.c: Likewise.
3513 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
3516 2006-01-25 Roger Sayle <roger@eyesopen.com>
3518 PR rtl-optimization/25703
3519 * combine.c (try_combine): Handle zero_extract and strict_low_part
3520 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
3522 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
3524 * global.c: Fix comment typos.
3526 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
3529 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
3530 Use output_addr_const instead of assemble_name.
3532 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
3534 * Makefile.in (sched-vis.o): Update dependencies.
3535 * haifa-sched.c (sched_finish): Clear current_sched_info.
3536 * cfg.c (dump_bb_info): New, split from dump_flow_info.
3537 (dump_flow_info): Call it.
3538 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
3540 * basic-block.h (dump_bb_info): Declare.
3541 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
3542 option, and apply options only for dump files whose TDF_RTL,
3543 TDF_TREE, or TDF_IPA bits match.
3544 * rtl.h: Declare new functions exported from sched-vis.c.
3545 * sched-vis.c: Enable also if scheduling is not used.
3546 (print_value): Print the mode of registers if not inside scheduling.
3547 (print_insn): Make it work outside the scheduler. Beautify the output
3549 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
3551 2006-01-25 Richard Sandiford <richard@codesourcery.com>
3553 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
3554 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
3555 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
3556 depending on the value of CONSTANT_POOL_ADDRESS_P.
3557 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
3559 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
3560 rather than SYMBOL_REF_DECL.
3561 (rtx_constant_pool): Remove const_rtx_sym_htab.
3562 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
3563 (init_varasm_status): Don't initialize const_rtx_sym_htab.
3564 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
3565 Remove handling of const_rtx_sym_htab.
3566 (find_pool_constant): Delete.
3567 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
3568 rather than find_pool_constant.
3569 (get_pool_constant_for_function): Delete.
3570 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
3572 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
3573 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
3574 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
3575 (SYMBOL_REF_CONSTANT): New macro.
3576 (get_pool_constant_for_function): Delete.
3577 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
3578 rather than SYMBOL_REF_DECL.
3579 (i386_pe_mark_dllimport): Likewise.
3580 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
3581 rather than SYMBOL_REF_DECL.
3582 * config/darwin.c (machopic_indirect_data_reference): Likewise.
3583 (machopic_indirect_call_target): Likewise.
3585 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
3587 * flow.c (delete_noop_moves): Add missing EOL to dump message.
3589 2006-01-25 Richard Sandiford <richard@codesourcery.com>
3591 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
3593 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
3595 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
3597 2006-01-24 David Daney <ddaney@avtrex.com>
3600 * configure.ac (enable_tls): New enable option.
3601 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
3602 * configure: Regenerate.
3603 * doc/install.texi (--enable-tls): Document new option.
3604 (--disable-tls): Ditto.
3606 2006-01-24 Richard Henderson <rth@redehat.com>
3608 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
3609 * alias.c (true_dependence): Respect it.
3610 (canon_true_dependence, write_dependence_p): Likewise.
3611 * builtins.c (get_builtin_sync_mem): Set it.
3613 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
3615 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
3618 2006-01-24 DJ Delorie <dj@redhat.com>
3620 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
3621 for storing constants in single-bit bitfields.
3623 2006-01-25 Ben Elliston <bje@au.ibm.com>
3625 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
3627 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
3630 * tree-ssa-pre.c (phi_translate): Return NULL
3631 for AGGREGATE_TYPE's.
3633 2006-01-24 Zack Weinberg <zackw@panix.com>
3635 * genautomata.c (process_state_for_insn_equiv_partition):
3636 Use xcalloc for insn_arcs_array.
3637 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
3638 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
3640 2006-01-24 Richard Henderson <rth@redhat.com>
3642 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
3645 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
3647 PR rtl-optimization/25890
3648 PR rtl-optimization/25905
3649 * combine.c (expand_compound_operation, expand_field_assignment):
3650 Fail if the bitfield's final position is out of bounds.
3652 2006-01-24 Ian Lance Taylor <ian@airs.com>
3655 * cgraphunit.c (cgraph_output_in_order): Don't clear
3656 cgraph_asm_nodes until after asm strings have been output.
3658 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
3660 * fix-header.c (read_scan_file): Add new parameter imultilib when
3661 calling register_include_chains.
3663 2006-01-23 Diego Novillo <dnovillo@redhat.com>
3665 * omp-low.c: Update documentation.
3667 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
3668 Daniel Berlin <dberlin@dberlin.org>
3672 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
3673 return from the function.
3675 2006-01-22 Zack Weinberg <zackw@panix.com>
3677 * rtl.def (match_code): Add second argument.
3678 * genpreds.c (write_extract_subexp): New function.
3679 (write_match_code): Add path argument. Use write_extract_subexp.
3680 (write_predicate_expr): Pass path to write_match_code.
3681 (mark_mode_tests): MATCH_CODE applied to a subexpression does
3682 not perform a mode test.
3683 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
3684 a subexpression does not constrain the top-level code set.
3685 * read-rtl.c (read_rtx_variadic): New function.
3686 (read_rtx_1): Use it; allow AND and IOR to be variadic.
3687 * doc/md.texi: Document new notation.
3688 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
3689 (cmpsi_operand): ... here, using new notation.
3691 2006-01-22 Zack Weinberg <zackw@panix.com>
3693 * varray.c: Remove GENERATOR_FILE #ifdefs.
3695 2006-01-22 Zack Weinberg <zackw@panix.com>
3697 * genautomata.c (output_reserved_units_table): Emit nothing if
3698 description->query_units_num is zero. Remove extra blank line.
3699 (output_cpu_unit_reservation_p): Short circuit
3700 if description->query_units_num is zero.
3702 2006-01-22 Zack Weinberg <zackw@panix.com>
3704 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
3705 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
3706 nor any of the random handful of variables that used to be necessary
3707 when this program was linked with rtlanal.o. Prune set of forward
3708 function declarations.
3709 (struct attr_desc): Remove static_p field.
3710 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
3711 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
3712 (attr_string): Do not read the character one past the length of
3714 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
3715 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
3716 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
3717 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
3718 (make_automaton_attrs): New.
3719 (main): Do not call into genautomata. Call local gen_bypass
3720 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
3721 Remove special case for insn_alts.
3722 * genautomata.c: Include gensupport.h; not genattrtab.h nor
3723 varray.h (leftover from previous change). Prune set of forward
3724 function declarations. Remove state_alts fields from all
3725 structures. Remove state_alts_table from struct automaton.
3726 Make everything except main static. Do not maintain num_dfa_decls.
3727 Do not maintain state_alts fields of various structures.
3728 (process_decls): Don't validate condexp for dm_insn_reserv decls.
3729 (add_arc): Remove state_alts argument. All callers updated.
3730 (output_reserved_units_table): Emit #ifdef here...
3731 (output_tables): ...not here. Don't generate state_alts tables.
3732 (expand_automata): Don't generate attributes.
3733 (write_automata): Don't generate state_alts functions.
3734 (main): New function.
3735 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
3736 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
3737 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
3738 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
3739 (BYPASS_P_FUNC_NAME, output_state_alts_table)
3740 (output_automata_list_state_alts_code, output_internal_state_alts_func)
3741 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
3742 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
3744 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
3745 * genattrtab.h: Delete file.
3746 * Makefile.in (OBJS-common): Add insn-automata.o.
3747 (insn-automata.o): New rule.
3748 (simple_generated_c): Add insn-automata.c.
3749 (build/genattrtab.o, build/genautomata.o): Update dependencies.
3750 (genprogmd): Add automata.
3751 (build/genattrtab): Needs no extra objects nor libraries.
3752 (build/genautomata): Needs build/vec.o and -lm.
3754 2006-01-22 Zack Weinberg <zackw@panix.com>
3756 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
3757 (output_dfa_max_issue_rate, locked_states_num): Delete.
3758 (struct automaton): Add locked_states field.
3759 (output_dead_lock_vect): Save number of locked states in
3760 automaton->locked_states. If it is zero, don't print anything.
3761 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
3762 (output_internal_dead_lock_func): Only test the dead_lock_vect
3763 for automata that have locked states.
3764 (output_statistics): Always print the number of locked states for
3765 each automaton. Calculate total number of locked states here.
3766 (write_automata): Don't call output_dfa_max_issue_rate.
3767 * genattrtab.c: Define length_unit_log as a const variable.
3768 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
3769 max_insn_queue_index const.
3770 * final.c (length_unit_log): Declare const.
3771 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
3773 2006-01-22 Zack Weinberg <zackw@panix.com>
3775 * genautomata.c: Include vec.h, not varray.h.
3776 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
3777 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
3778 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
3779 VEC_* macros operating on appropriately typed vectors, or to
3780 malloced arrays when the size is known in advance. Const-ify
3781 many char* variables and function arguments. No functional changes.
3782 * Makefile.in (build/varray.o): Delete rule.
3783 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
3784 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
3786 2006-01-22 Zack Weinberg <zackw@panix.com>
3788 * gensupport.c: Define get_insn_name and record_insn_name here.
3789 (read_md_rtx): Call record_insn_name as appropriate.
3790 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
3791 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
3792 * genpreds.c, genrecog.c: Don't define get_insn_name nor
3794 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
3795 (BUILD_VARRAY): Delete.
3796 (genprognormal): Rename genprogmd. Fold in all programs from
3797 genprognoprint; also attrtab.
3798 (build/genattrtab): Just mention genautomata.o and varray.o.
3799 Reorganize a bit, add comments to make the categories clearer.
3801 2006-01-22 Zack Weinberg <zackw@panix.com>
3803 * genconditions.c (condition_table, add_condition): Delete.
3804 (write_conditions): Don't emit n_insn_conditions nor
3805 insn_elision_unavailable. Issue the gcc version #ifdef here,
3806 inside the table, with no #else clause ...
3807 (write_header): ...not here.
3808 (write_writer): New function.
3809 (main): Don't initialize condition_table. Use add_c_test.
3811 * gensupport.c (init_md_reader_args_cb): Handle multiple input
3812 files on the command line.
3813 (maybe_eval_c_test): Don't check insn_elision_unavailable.
3814 Return -1 if there is no entry in the table, don't abort.
3815 (add_c_test, traverse_c_tests): New functions.
3816 * gensupport.h (insn_elision_unavailable, insn_conditions)
3817 (n_insn_conditions): Delete declarations.
3818 (add_c_test, traverse_c_tests): Declare.
3819 * read-rtl.c: Include gensupport.h.
3820 (read_conditions): New function.
3821 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
3822 (read_rtx_1): If we get EOF when we were looking for an initial
3823 open paren, return 0. Call read_conditions when appropriate.
3824 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
3825 dummy-conditions.o. Eliminate references to insn-conditions.o,
3826 or change them to build/gencondmd.o, as appropriate. Remove
3827 insn-constants.h from $(simple_generated_h) and insn-conditions.c
3828 from $(simple_generated_c). For all files remaining in those
3829 two lists, add insn-conditions.md to the generator command line.
3830 Give insn-constants.h/s-constants their own rules. Add rules
3831 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
3832 (build/read-rtl.o): Depend on gensupport.h.
3833 (genprognormal): Include preds.
3834 (genprogearly): Rename genprognoprint; only difference is now that
3835 they don't link with $(BUILD_PRINT).
3836 * dummy-conditions.c: Delete.
3838 2006-01-22 Zack Weinberg <zackw@panix.com>
3840 * genextract.c: Don't include insn-config.h. Do include vec.h.
3841 Declare vectors of int, char, and locstr.
3842 (locstr): New typedef.
3843 (struct extraction): Make all array fields into bare pointers.
3844 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
3845 (insn_code_number): Delete.
3846 (accum_extract): New struct.
3847 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
3848 (gen_insn): Take insn_code_number as an argument. Use an
3849 accum_extract structure instead of loading data directly into
3850 a struct extraction, and having to know how big it might get.
3851 (walk_rtx): Operate entirely on an accum_extract structure.
3852 (print_path): Avoid unnecessary use of printf.
3853 (print_header): New function, split out of main. Distinguish
3854 more carefully between an unrecognizable insn and an insn that
3855 has the code number of a define_expand.
3856 (main): Pass insn_code_number to gen_insn. Call print_header
3857 only after parsing. Avoid unnecessary use of printf.
3858 * Makefile.in (build/vec.o): New rule.
3859 (build/genextract): Depend on build/vec.o.
3860 (build/genextract.o): Don't depend on insn-config.h.
3862 2006-01-22 Zack Weinberg <zackw@panix.com>
3864 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
3865 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
3866 practical. Eliminate per-generator-program link rules.
3868 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
3871 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3872 with a call expr to ...
3873 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3875 2006-01-23 Richard Guenther <rguenther@suse.de>
3877 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
3878 before make_edge with conditional EDGE_TRUE_VALUE.
3880 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
3881 Jan Hubicka <jh@suse.cz>
3882 Richard Guenther <rguenther@suse.de>
3884 PR rtl-optimization/25654
3885 * cfgexpand.c (aggregate_contains_union_type): New function.
3886 (add_alias_set_conflicts): Call it. Make sure to add conflicts
3887 for structure variables that contain a union type.
3889 2006-01-23 Richard Sandiford <richard@codesourcery.com>
3891 * gengtype.c (new_structure): Return the structure.
3892 (create_option): Add an extra "next" argument.
3893 (create_field): New function.
3894 (adjust_field_rtx_def): Use create_option and create_field.
3895 Remove a now-unnecessary call to find_structure.
3896 (adjust_field_tree_def): Likewise.
3897 (note_yacc_type): Remove an unnecessary call to find_structure.
3898 * gengtype.h (new_structure): Return the structure.
3899 (create_option): Add an extra argument.
3900 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
3901 (option): Adjust calls to create_option.
3903 2006-01-22 David Edelsohn <edelsohn@gnu.org>
3905 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
3907 2006-01-22 Paul Brook <paul@codesourcery.com>
3908 Peter Barada <peter@the-baradas.com>
3910 * config/m68k/m68k.md: Add Coldfire FPU support.
3911 Define FP mode macro and associated attributes.
3912 Use it for float mode patterns.
3913 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
3914 (LIBCALL_VALUE): Use m68k_libcall_value.
3915 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
3916 (m68k_function_value): Ditto.
3917 (emit_move_sequence): Ditto.
3918 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
3919 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
3920 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
3921 (MULTILIB_EXCEPTIONS): Ditto.
3922 * config/m68k/m68k.opt: Add mcfv4e.
3923 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
3924 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
3925 (m68k_output_function_prologue): Save ColdFire FPU registers.
3926 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
3927 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
3928 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
3929 ColdFire FPU registers.
3930 (m68k_libcall_value, m68k_function_value): New functions.
3931 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
3932 (LIBCALL_VALUE): Use m68k_libcall_value.
3933 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
3934 (MASK_COLDFIRE): Add MASK_CFV4E.
3935 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
3936 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
3937 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
3938 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
3939 (GO_IF_LEGITIMATE_ADDRESS): Use it.
3940 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
3941 * doc/invoke.tex: Document -mcfv4e on m68k.
3943 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
3945 * doc/contribute.texi: Change CVS to SVN and update the corresponding
3948 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
3951 * c-opts.c (c_common_handle_option): Don't include
3952 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
3953 * doc/invoke.texi (C++ Dialect Options): Document that
3954 -Wnon-virtual-dtor is no longer included in -Wall.
3956 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
3958 * gcov.c (print_version), gcov-dump.c (print_version),
3959 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
3962 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
3964 * df-scan.c (problem_SCAN): Added NULL reset function.
3965 (df_scan_reset_blocks): Added code to call reset block function
3966 (df_bb_refs_delete) Fixed comment.
3967 (df_insn_refs_delete): Made tolerant of deleting non existent info
3968 for dataflow problems that need to be reset.
3969 * df-core.c (df_set_blocks): Ditto.
3970 * df.h (struct df_problem): Added reset_fun.
3971 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
3972 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
3973 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
3974 functions to clear out all references to def-use or use-def chains.
3976 2006-01-21 Ben Elliston <bje@au.ibm.com>
3978 * varasm.c (assemble_real): Initialise data array.
3980 2006-01-20 Paul Brook <paul@codesourcery.com>
3982 Merge from csl-arm-branch.
3983 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
3984 * config/arm/arm.md (movdi): Force operands[1] to a register
3985 if we have a non-register source.
3986 (*arm_movdi, *movdf_soft_insn): Require that one of the
3987 operands be a register.
3988 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
3989 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
3991 2006-01-20 DJ Delorie <dj@redhat.com>
3993 * varasm.c (initialize_constant_valid_p): Allow pointers
3994 initialized from integer constants of lesser precision.
3995 (output_constant): Allow non-int-sized pointer modes to be
3996 initialized from integer constants.
3998 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
4001 * cppdefault.h (struct default_include): Add multilib flag.
4002 * cppdefault.c (cpp_include_defaults): Set it.
4003 * c.opt (-imultilib): New option.
4004 * c-opts.c (imultilib): New.
4005 (c_common_handle_option): Handle -imultilib.
4006 (c_common_post_options): Likewise.
4007 * c-incpath.c (add_standard_paths, register_include_chains):
4009 * c-incpath.h (register_include_chains): Add extra parameter.
4010 * gcc.c (do_spec_1): Generate -imultilib option.
4011 (The Specs Language): Update %I description.
4012 (process_command): Update copyright notice.
4013 * doc/cppopts.texi (-imultilib): Document.
4014 * doc/invoke.texi (-imultilib): Include in option summary.
4015 (%I): Update specs documentation.
4017 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4019 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
4021 2006-01-20 Richard Sandiford <richard@codesourcery.com>
4023 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
4026 2006-01-20 Richard Guenther <rguenther@suse.de>
4027 Steven Bosscher <stevenb.gcc@gmail.com>
4029 PR rtl-optimization/24626
4030 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
4031 EDGE_TRUE_VALUE if in RTL mode.
4034 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
4035 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
4037 2006-01-20 Dirk Mueller <dmueller@suse.com>
4040 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
4041 instead of a special NOP marker.
4042 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
4043 NOP marker handling.
4044 * c-common.h (empty_body_warning): Add forward declaration.
4045 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
4046 Now uses IS_EMPTY_STMT() instead of special NOP markers.
4048 2006-01-20 Paul Brook <paul@codesourcery.com>
4050 * Makefile.in (lang_checks): Keep going if mkdir fails.
4052 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4054 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
4055 be able to clean out basic block when not necessary.
4056 (df_scan_free): Fixed to properly delete information if df is
4057 unused before calling df_finish.
4058 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
4059 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
4061 (df_bb_refs_delete): New function.
4062 (df_refs_delete): Moved per block code to df_bb_refs_delete.
4063 * df-core.c (df_set_blocks): Added code to properly clean out
4064 unused blocks if they are not part of the blocks to consider.
4065 Added additional null check.
4066 (df_compact_blocks): Added basic block parameter to free_bb_fun to
4067 be able to clean out basic block when not necessary
4068 * df.h (df_free_bb_function): Ditto.
4069 (df_bb_refs_delete): New function.
4070 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
4071 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
4072 basic block parameter to be able to clean out basic block when not
4074 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
4075 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
4076 Fixed to properly delete information if df is unused before
4079 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4081 PR rtl-optimization/25799
4082 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
4083 Corrected confluence operator to remove bits from op2 before oring
4084 with op1 rather than removing bits from op1.
4085 (df_ru_transfer_function): Corrected test on wrong bitmap which
4086 caused infinite loop. Both of these problems were introduced in
4087 the dataflow rewrite.
4089 2006-01-19 DJ Delorie <dj@redhat.com>
4091 * reload1.c (find_reload_regs): Note the details of reload
4092 failures in the dump file.
4093 (spill_failure): Likewise.
4095 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4097 * loop-iv.c: Include df.h and hashtab.h.
4098 (enum iv_grd_result): New enum.
4099 (DF_REF_IV, DF_REF_IV_SET): New macros.
4100 (struct biv_entry): New.
4101 (df, bivs): New global variables.
4102 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
4103 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
4105 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
4106 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
4107 analyzed_for_bivness_p, record_biv): New functions.
4108 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
4109 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
4110 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
4112 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
4114 (iv_number_of_iterations): Use new interface to iv analysis.
4115 * loop-unroll.c: Do not include varray.h.
4116 (analyze_iv_to_split_insn): Use new interface to iv
4118 * loop-unswitch.c (may_unswitch_on): Ditto.
4119 * df.c (df_bitmaps_free): Only work for bbs for that structures are
4121 (df_bb_modify): Realloc tables to the new index.
4122 (df_find_use): New function.
4123 * df.h (df_find_use): Declare.
4124 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
4126 * cfgloop.h (struct rtx_iv): Remove analysed field.
4127 (iv_get_reaching_def): Removed.
4128 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
4129 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
4130 (loop-iv.o): Add df.h and hashtab.h dependency.
4131 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
4133 2006-01-20 Alan Modra <amodra@bigpond.net.au>
4136 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
4138 (__floatundisf, __floatundidf): Likewise.
4139 * libgcc2.h (IS_IBM_EXTENDED): Define.
4141 2006-01-19 DJ Delorie <dj@redhat.com>
4143 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
4145 2006-01-19 Paul Brook <paul@codesourcery.com>
4147 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
4148 as nothrow when unwinding tables are disabled.
4150 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4153 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
4154 of bit-field" when in system header.
4156 2006-01-19 DJ Delorie <dj@redhat.com>
4158 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
4159 the 16 bit shift limit of the m16c.
4161 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
4164 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
4165 * config/i386/i386.c (output_set_got): Output the label if we have one
4166 for the TARGET_DEEP_BRANCH_PREDICTION case.
4168 2006-01-19 Jan Hubicka <jh@suse.cz>
4169 H.J. Lu <hongjiu.lu@intel.com>
4170 Evandro Menezes <evandro.menezes@amd.com>
4172 * invoke.texi (generic): Document
4174 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
4175 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
4176 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
4177 (x86_use_incdec, x86_pad_returns): New variables
4178 (TARGET_CPU_DEFAULT_generic): New constant
4179 (TARGET_CPU_DEFAULT_NAMES): Add generic.
4180 (enum processor_type): Add generic32 and generic64.
4181 * i386.md (cpu attribute): Add generic32/generic64
4182 (movhi splitter): Behave sanely when both partial_reg_dependency and
4183 partial_reg_stall are set.
4184 (K8 splitters): Enable for generic as well.
4185 * predicates.md (incdec_operand): Use TARGET_INCDEC
4186 (aligned_operand): Avoid memory mismatch stalls.
4187 * athlon.md: Enable for generic64, new patterns for 128bit moves.
4188 * ppro.md: Enable for generic32
4189 * i386.c (generic64_cost, generic32_cost): New.
4190 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
4191 (x86_use_leave): Enable for generic64. (x86_use_sahf,
4192 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
4193 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
4194 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4195 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4196 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4197 x86_accumulate_outgoing_args, x86_prologue_using_move,
4198 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4199 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
4201 (x86_use_incdec, x86_pad_returns): New.
4202 (override_options): Add generic32 and generic64, translate "generic"
4203 to generic32/generic64 and "i686" to "generic32", refuse
4204 "generic32"/"generic64" as arch target.
4205 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
4206 (ix86_reorg): Honor PAD_RETURNS.
4208 2006-01-19 Diego Novillo <dnovillo@redhat.com>
4210 * tree-pretty-print.c (dump_generic_node): Handle
4211 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
4212 * cgraph.c (cgraph_expand_queue): Rename from
4213 cgraph_analyze_queue. Update all users.
4214 * cgraphunit.c (cgraph_assemble_pending_functions): Process
4215 cgraph_expand_queue.
4216 (cgraph_expand_all_functions): Likewise.
4217 (cgraph_finalize_pending_functions): Remove. Update callers.
4219 * tree.h (OMP_DIRECTIVE_P): Define.
4220 (OMP_PARALLEL_FN): Define.
4221 (OMP_PARALLEL_DATA_ARG): Define.
4222 (OMP_SECTIONS_SECTIONS): Define.
4223 * tree-pass.h (pass_expand_omp): Declare.
4224 * omp-low.c (struct omp_region): Declare.
4225 (struct omp_context): Remove fields 'parallel_type',
4226 'parallel_start_ix' and 'parallel_start_additional_args'.
4228 (struct omp_for_data): Rename from struct expand_omp_for_data.
4229 (omp_regions): New static variable.
4230 (root_omp_region): New static variable.
4231 (find_omp_clause): Make static.
4232 (is_in_combined_parallel_ctx): Remove.
4233 (is_combined_parallel): New.
4234 (extract_omp_for_data): Move earlier in the file.
4235 (workshare_safe_to_combine_p): New.
4236 (get_ws_args_for): New.
4237 (determine_parallel_type): Move earlier in the file.
4238 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
4240 (omp_copy_decl): Likewise.
4241 (create_omp_child_function): Likewise.
4242 (lookup_omp_region): New.
4243 (dump_omp_region): New.
4244 (debug_omp_region): New.
4245 (debug_all_omp_regions): New.
4246 (new_omp_region): New.
4247 (scan_omp_parallel): If parallel_nesting_level > 1, the
4248 directive is nested within another parallel directive.
4249 Set OMP_PARALLEL_FN.
4250 (scan_omp_for): Do not try to handle combined parallel+for
4252 Remove FIXME comment.
4253 (scan_omp_nested): Remove.
4254 (scan_omp_1): Do not call scan_omp_nested when
4255 parallel_nesting_level is > 1.
4256 Do not change the DECL_CONTEXT of local variables found.
4257 (lookup_decl_in_outer_ctx): New.
4258 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
4259 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
4260 (lower_reduction_clauses): Rename from expand_reduction_clauses.
4261 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
4262 If CTX is nested, lookup VAR in the outer context when
4263 building copy assignment.
4264 (lower_send_clauses): Rename from expand_send_clauses.
4265 If CTX is nested, lookup VAR in the outer context when
4266 building copy assignments.
4267 (lower_send_shared_vars): Rename from expand_send_shared_vars.
4268 If CTX is nested, lookup VAR in the outer context when
4269 building copy assignments.
4270 (expand_parallel_call): Rename from build_parallel_call.
4271 Handle combined parallel+workshare cases.
4272 Re-implement to emit code into the CFG.
4274 (expand_omp_parallel): Re-implement to emit code into the CFG.
4275 Call move_sese_region_to_fn to outline the sub-graph
4276 containing the parallel region.
4277 (expand_omp_for_1): Remove.
4278 (expand_omp_for_generic): Re-implement to emit code into the
4280 (expand_omp_for_static_nochunk): Likewise.
4281 (expand_omp_for_static_chunk): Likewise.
4282 (expand_omp_for): Likewise.
4283 (expand_omp_sections): Likewise.
4284 (remove_exit_barriers): New.
4285 (expand_omp_synch): New.
4287 (build_omp_regions_1): New.
4288 (build_omp_regions): New.
4289 (execute_expand_omp): New.
4290 (gate_expand_omp): New.
4291 (pass_expand_omp): Define.
4292 (lower_omp_sections): Rename from expand_omp_sections.
4293 Set OMP_SECTIONS_SECTIONS.
4294 (lower_omp_single_simple): Rename from expand_omp_single_simple.
4295 (lower_omp_single_copy): Rename from expand_omp_single_copy.
4296 (lower_omp_single): Rename from expand_omp_simple.
4297 (lower_omp_master): Rename from expand_omp_master.
4298 (lower_omp_ordered): Rename from expand_omp_ordered.
4299 (lower_omp_critical): Rename from expand_omp_critical.
4300 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
4301 (lower_omp_for): Re-implement.
4302 (lower_omp_parallel): Re-implement.
4303 (lower_regimplify): Rename from expand_regimplify.
4304 (lower_omp_1): Rename from expand_omp_1.
4305 If there are syntax errors in the program, replace every
4306 OpenMP directive with NOP.
4307 Call lower_omp_* instead of expand_omp_*.
4308 (lower_omp): Rename from expand_omp.
4310 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
4311 * tree-gimple.h (enum omp_parallel_type): Remove.
4312 (gimple_boolify): Declare extern.
4313 (find_omp_clause, determine_parallel_type): Remove.
4315 * gimple-low.c (lower_omp_directive): New.
4316 (lower_stmt): Call it.
4317 (record_vars_into): Move from ...
4318 (record_vars): ... here.
4319 Call record_vars_into with current_function_decl.
4321 * gimplify.c (struct gimplify_ctx): Remove fields
4322 combined_pre_p and combined_ctxp. Update users.
4323 (get_formal_tmp_var): Add documentation.
4324 (gimple_boolify): Make extern.
4325 (gimplify_expr_in_ctx): Remove. Update callers.
4326 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
4327 will always be a BIND_EXPR.
4328 (gimplify_expr): Handle OMP_RETURN_EXPR.
4329 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
4330 (OMP_PARALLEL): Add 3 operands.
4331 (OMP_SECTIONS): Add 1 operand.
4332 (OMP_RETURN_EXPR): Define.
4334 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
4335 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
4336 * tree-iterator.c (alloc_stmt_list): Assert that we are not
4337 creating a circular free list.
4338 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
4340 * tree-flow.h (move_sese_region_to_fn): Declare.
4341 (record_vars_into): Declare.
4342 * tree-cfg.c (make_omp_sections_edges): New.
4343 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
4344 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
4345 OMP_SECTIONS and OMP_SECTION.
4346 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
4347 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
4348 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
4349 (gather_blocks_in_sese_region): New.
4350 (struct move_stmt_d): Declare.
4352 (move_block_to_fn): New.
4353 (move_sese_region_to_fn): New.
4355 * passes.c (init_optimization_passes): Schedule
4356 pass_expand_omp after pass_init_datastructures.
4358 * tree-ssa-operands.c (get_expr_operands): Handle
4359 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
4360 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
4362 2006-01-19 Jeff Law <law@redhat.com>
4364 * tree-vrp.c (extract_range_from_assert): Refine the result range
4365 if the variable referenced by the ASSERT_EXPR has a range and
4366 either the tentative result range or the previous range is a
4369 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4371 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
4373 2006-01-19 Jan Hubicka <jh@suse.cz>
4375 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
4377 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
4379 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
4380 (expand_compound_operation, expand_field_assignment): Fail if the
4381 bit lengths of an extract operation are out of range.
4382 (make_extraction): Compute wanted_inner_mode based on the position
4383 and length of the extraction. Make it extraction_mode for non-constant
4384 positions, and do not modify offset in that case. When generating a
4385 new MEM, use a mode that can hold the extraction while keeping correct
4386 alignment. Remove code that supported MEMs wrapped by USEs.
4387 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
4389 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
4391 * config/s390/s390.md ("Y", "y"): New mode attribute.
4392 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
4393 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
4394 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
4395 "*addsi3_imm_cc", "*addsi3_carry1_cc",
4396 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
4397 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
4398 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
4399 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
4400 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
4401 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
4402 "addsi3", "subsi3"): Insn patterns removed.
4403 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
4404 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
4405 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
4406 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
4407 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
4408 "*sub<mode>3_cconly2"): New insn patterns.
4409 ("addsi3", "subsi3"): New expanders.
4411 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
4413 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
4414 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
4415 existing STMT_VINFO_VECTYPE if available.
4416 (vect_mark_relevant): Add special handling for stmts that are
4417 marked as STMT_VINFO_IN_PATTERN_P.
4418 (vect_analyze_loop): Call vect_pattern_recog.
4419 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
4420 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
4422 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
4423 (vect_recog_func_ptr): New function-pointer type.
4424 * tree-vect-patterns.c: New file.
4425 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
4426 (vect_recog_dot_prod_pattern, vect_pattern_recog):
4427 (vect_pattern_recog_1): New functions.
4428 (vect_pattern_recog_funcs): New array of function pointers.
4430 * tree-vectorizer.h (ternary_op): New enum value.
4431 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
4432 declaration. Revised documentation. Removed redundant dump prints.
4433 Removed redundant argument. Added support for reduction patterns.
4434 (vectorizable_reduction): Added support for reduction patterns.
4435 (vect_transform_stmt): Added support for patterns.
4437 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
4438 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
4439 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
4440 (expand_widen_pattern_expr): New function.
4441 (init_optabs): Initialize new optabs udot_prod_optab,
4443 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
4444 (sdot_prod_optab, udot_prod_optab): Define new optabs.
4445 (expand_widen_pattern_expr): New function declaration.
4446 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
4448 * tree-inline.c (estimate_num_insns_1): Added cases for new
4449 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4450 * tree-pretty-print.c (dump_generic_node): Likewise.
4451 (op_prio): Likewise.
4452 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4453 * tree-ssa-operands.c (get_expr_operands): Added case for
4455 * tree-vect-patterns.c (widened_name_p): New function.
4456 (vect_recog_dot_prod_pattern): Added function implementation.
4457 * tree-vect-transform.c (get_initial_def_for_reduction): Added
4458 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
4459 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
4460 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
4462 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
4463 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
4464 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
4465 (init_optabs): Initialize new optabs widen_ssum_optab,
4467 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
4468 (widen_ssum_optab, widen_usum_optab): Define new optabs.
4469 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
4470 use instead of type of def.
4471 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
4472 function implementation.
4473 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
4474 widen_ssumv8hi): New.
4476 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
4479 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4482 * c-decl.c (add_flexible_array_elts_to_size): New function.
4483 (finish_decl): Use it.
4485 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
4487 * diagnostic.h: Include options.h.
4488 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
4489 dependancies for diagnostic.h.
4490 * Makefile.in (DIAGNOSTIC_H): Add options.h.
4492 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
4494 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
4495 (ssa_ro_call_cache_valid): Ditto.
4496 * tree-ssa-alias.c (sort_tags_by_id): New function.
4497 (init_transitive_clobber_worklist): Ditto.
4498 (add_to_worklist): Ditto.
4499 (mark_aliases_call_clobbered): Ditto.
4500 (compute_tag_properties): Ditto.
4501 (set_initial_properties): Ditto.
4502 (compute_call_clobbered): Ditto.
4503 (compute_may_aliases): Call compute_call_clobbered and grouping.
4504 (compute_flow_sensitive_aliasing): Remove clobbering related code.
4505 (compute_flow_insensitive_aliasing): Grouping now happens in our
4507 (setup_pointers_and_addressables): Remove clobbering related code.
4508 (add_may_alias): Ditto.
4509 (replace_may_alias): Ditto.
4510 (get_nmt_for): Ditto.
4511 (create_global_var):
4512 (is_escape_site): Return an escape_type enumeration.
4513 * tree-flow-inline.h (is_call_clobbered): Global var does not
4514 imply call clobbered.
4515 (mark_call_clobbered): Take a reason for marking this. Remove
4516 marking of globalness, and cache invalidation.
4517 (clear_call_clobbered): Remove cache invalidation code.
4518 * tree-dfa.c (dump_variable): If details is on, dump the reason
4520 * tree-outof-ssa.c (create_temp): Copy escape mask from original
4522 * tree-flow.h (struct ptr_info_def): Add escape mask member.
4523 (struct var_ann_d): Ditto.
4524 (enum escape_type): New.
4525 (mark_call_clobbered): Adjust prototype.
4526 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
4527 are never call clobbered.
4528 Record reasons for escaping.
4529 * tree-ssa-structalias.h (is_escape_site): Update prototype.
4530 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
4531 (ssa_ro_call_cache_valid): Ditto.
4532 (clobbered_v_may_defs): Ditto.
4533 (clobbered_vuses): Ditto.
4534 (ro_call_vuses): Ditto.
4535 (clobber_stats): New.
4536 (init_ssa_operands): Zero out clobber stats.
4537 (fini_ssa_operands): Print out clobber stats.
4538 (get_call_expr_operands): Pass callee fndecl to
4540 (add_call_clobber_ops): Remove use of cache.
4541 Add use of PURE_CONST information.
4542 (add_call_read_ops): Remove use of cache.
4543 Add use of static not_read information.
4545 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
4547 Introduce TLS descriptors for i386 and x86_64.
4548 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
4549 (TARGET_ANY_GNU_TLS): New macro.
4550 (enum tls_dialect): Added TLS_DIALECT_GNU2.
4551 (struct machine_function): Add tls_descriptor_call_expanded_p.
4552 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
4553 (ix86_current_function_calls_tls_descriptor): Likewise.
4554 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
4555 (override_options): Introduce gnu2 tls dialect.
4556 (ix86_frame_pointer_required): Functions containing TLSCALLs are
4558 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
4560 (legitimize_tls_address): Adjust logic for GNU2 TLS.
4561 (ix86_init_machine_status): Initialize new field.
4562 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
4563 (ix86_tls_module_base): New.
4564 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
4565 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
4566 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
4567 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
4568 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
4569 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
4570 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
4571 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
4572 * config/i386/predicates.md (tls_modbase_operand): New.
4573 (tp_or_register_operand): New.
4575 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
4577 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
4578 (look_for_address_of): Ditto.
4579 (ipa_init): Walk the function decls.
4580 (static_execute): Don't set readonly on FUNCTION_DECL's.
4582 2006-01-18 Roger Sayle <roger@eyesopen.com>
4584 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
4585 for shifts where the source and destination registers are different.
4587 2006-01-18 Paul Brook <paul@codesourcery.com>
4589 Merge from csl-arm-branch.
4590 2005-03-14 Julian Brown <julian@codesourcery.com>
4591 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
4592 (aeabi_llsl): Likewise.
4593 (ashrdi3): Likewise.
4594 (aeabi_lasr): Likewise.
4595 (lshrdi3): Likewise.
4596 (aeabi_llsr): Likewise.
4597 2005-03-10 Julian Brown <julian@codesourcery.com>
4598 * config.gcc: Disable shared libgcc for SymbianOS.
4599 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
4601 2006-01-18 DJ Delorie <dj@redhat.com>
4603 * c-pragma.c (handle_pragma_diagnostic): New.
4604 (init_pragma): Register it.
4605 * doc/extend.texi: Document it.
4607 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
4608 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
4609 (diagnostic_context): Add classify_diagnostic[].
4610 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
4611 as errors if they're overridden to DK_WARNING.
4612 (diagnostic_initialize): Initialize classify_diagnostic[].
4613 (diagnostic_set_kind_override): New.
4614 (diagnostic_report_diagnostic): Check for kind changes.
4615 * opts.c (common_handle_option): Take lang_mask. Update callers.
4617 * common.opt (Werror=): New.
4618 * doc/invoke.texi: Document -Werror=*
4620 2006-01-18 Jeff Law <law@redhat.com>
4622 * tree-vrp.c (test_for_singularity): Correct test for new
4623 min limit. Use operand_equal_p rather than pointer equality
4624 for testing if new min/max values are equal.
4626 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
4627 using range information until after propagation and folding.
4629 2006-01-18 Richard Henderson <rth@redhat.com>
4630 Aldy Hernandez <aldyh@redhat.com>
4631 Jakub Jelinek <jakub@redhat.com>
4632 Diego Novillo <dnovillo@redhat.com>
4634 * omp-low.c: New file.
4635 * c-omp.c: New file.
4637 2006-01-18 Richard Henderson <rth@redhat.com>
4638 Jakub Jelinek <jakub@redhat.com>
4639 Diego Novillo <dnovillo@redhat.com>
4641 * doc/invoke.texi: Document -fopenmp.
4642 * tree-dump.h (debug_function): Declare.
4643 * hooks.c (hook_bool_tree_bool_false): New function.
4644 (hook_tree_tree_null): Remove.
4645 (hook_tree_tree_tree_null): New.
4646 * hooks.h: Update to match.
4647 * tree-pretty-print.c (debug_tree_chain): New.
4648 (print_generic_expr): Handle TDF_CHAIN.
4649 (dump_generic_node): Handle BLOCK.
4650 Do not abort with incomplete SWITCH_EXPRs.
4651 Do not dump body of an OpenMP directive if TDF_SLIM is given.
4652 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
4653 print space after directive name.
4654 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
4655 Handle OMP_MASTER and OMP_ORDERED.
4656 Handle printing of OMP_BODY just in one place, goto
4657 dump_omp_body in the rest of OMP_* nodes that have
4659 Don't handle clause nodes here. Update omp statements to
4660 use dump_omp_clauses.
4661 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
4662 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
4663 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
4664 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
4665 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
4666 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
4667 Adjust output for GOMP_PARALLEL.
4668 (dump_omp_clauses): New.
4669 (print_declaration): Dump DECL_VALUE_EXPR.
4670 (op_symbol_1): Split out of op_symbol.
4671 (dumping_stmts): Remove. Update all users.
4672 * cgraph.c (cgraph_analyze_queue): New.
4673 (cgraph_add_new_function): New.
4674 * cgraph.h (cgraph_analyze_queue): Declare.
4675 (cgraph_add_new_function): Declare.
4676 (cgraph_lower_function): Remove.
4677 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
4678 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
4679 and TYPE_P nodes in its default clause.
4680 (empty_body_p): New.
4681 (tree_range_check_failed): New.
4683 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
4684 OMP_CLAUSE_REDUCTION_MERGE,
4685 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
4686 OMP_CLAUSE_PRIVATE_DEBUG,
4687 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
4688 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
4689 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
4690 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
4691 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
4692 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
4693 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
4694 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
4695 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
4696 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
4697 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
4698 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
4699 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
4700 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
4701 (TREE_RANGE_CHECK): New.
4702 (empty_body_p): Declare.
4703 (enum omp_clause_default_kind): New.
4704 (build_string_literal): Declare.
4705 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
4706 (build5_stat, build5): Declare.
4707 * tree-pass.h (TDF_CHAIN): Define.
4708 * tree-pass.h (PROP_gimple_lomp): Define.
4709 (pass_lower_omp): Declare.
4710 * diagnostic.h (debug_tree_chain): Declare.
4711 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
4713 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
4714 * builtins.c (build_string_literal): Make extern.
4715 * gcc.c (include_spec_function): New.
4716 (static_spec_functions): Add it.
4717 (main): Move load of libgomp.spec ...
4718 (LINK_COMMAND_SPEC): ... here.
4719 (link_gomp_spec): New.
4720 (static_specs): Include it.
4721 (LINK_COMMAND_SPEC): Add link_gomp.
4722 (GOMP_SELF_SPECS): New.
4723 (driver_self_specs): Include it.
4724 (switch_matches): Don't mark inline.
4725 (main): Load libgomp.spec.
4726 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
4727 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
4728 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
4729 * tree-gimple.h (enum omp_parallel): Declare.
4730 (determine_parallel_type): Declare.
4731 (omp_firstprivatize_variable): Declare.
4732 (omp_reduction_init): Declare.
4733 (diagnose_omp_structured_block_errors): Declare.
4734 (struct walk_stmt_info): Add want_return_expr.
4735 (struct walk_stmt_info): Add want_bind_expr, want_locations.
4736 (find_omp_clause): Declare.
4737 (insert_field_into_struct): Declare.
4738 (struct walk_stmt_info): Move from tree-nested.c
4739 (walk_stmts): Declare.
4740 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
4742 * cgraphunit.c (cgraph_lower_function): Make static.
4743 (cgraph_finalize_pending_functions): New.
4744 (cgraph_finalize_function): Call it.
4745 (cgraph_finalize_compilation_unit): Likewise.
4746 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
4747 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
4748 (BT_FN_UINT_UINT): New.
4749 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
4750 DEF_FUNCTION_TYPE_VAR_4): Document.
4751 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
4752 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
4753 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
4754 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
4755 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
4756 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
4757 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
4758 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
4759 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
4760 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
4761 into separate files.
4762 (DEF_GOMP_BUILTIN): New.
4763 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
4764 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
4765 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
4766 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
4767 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
4768 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
4769 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
4770 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
4771 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
4772 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
4773 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
4774 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
4775 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
4776 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
4777 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
4778 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
4779 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
4780 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
4781 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
4782 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
4783 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
4784 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
4785 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
4786 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
4787 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
4788 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
4789 * sync-builtins.def: New file, moved from builtins.def.
4790 * omp-builtins.def: New file, moved from builtins.def.
4791 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
4792 * gimple-low.c (lower_function_body): Clear data.
4793 (lower_stmt): Do not handle COMPOUND_EXPR.
4794 Remove call to print_node_brief.
4795 * c-tree.h (c_finish_omp_clauses): New prototype.
4796 (C_DECL_THREADPRIVATE_P): Define.
4797 (lookup_name_no_remap, c_omp_remap_private): Remove
4798 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
4799 (check_for_loop_decls): Update decl.
4800 (lookup_name_no_remap, c_omp_remap_private): Declare.
4801 (build_indirect_ref, build_modify_expr, pushdecl,
4802 pushdecl_top_level): Move to c-common.h.
4803 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
4804 before the switch, but just in the 2 places that need it.
4805 * c-decl.c (diagnose_mismatched_decls): Do not check for
4806 mismatched thread-local attributes when OLDDECL is marked
4807 threadprivate and NEWDECL has no thread-local attributes.
4808 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
4809 (c_gimple_diagnostics_recursively): Rename from
4810 c_warn_unused_result_recursively. Invoke
4811 diagnose_omp_structured_block_errors.
4812 (check_for_loop_decls): Return a singular decl found.
4813 * langhooks.c (lhd_omp_predetermined_sharing): Return
4814 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
4815 (lhd_omp_firstprivatize_type_sizes): New.
4816 (lhd_omp_assignment): New.
4817 (lhd_omp_predetermined_sharing): New.
4818 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
4819 (struct lang_hooks_for_types): Add
4820 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
4821 omp_predetermined_sharing, omp_disregard_value_expr,
4822 omp_private_debug_clause, omp_clause_default_ctor,
4823 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
4824 (c_finish_omp_clauses): New.
4825 (c_finish_bc_stmt): Diagnose break within omp for.
4826 (c_begin_omp_parallel, c_finish_omp_parallel): New.
4827 (build_unary_op): Return error_mark after reporting
4829 (build_modify_expr): Likewise.
4830 * gimplify.c: Include optabs.h and pointer-set.h.
4831 (enum gimplify_omp_var_data): Declare.
4832 (struct gimplify_omp_ctx): Declare.
4833 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
4835 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
4836 (push_gimplify_context, pop_gimplify_context): Allow nesting.
4837 (splay_tree_compare_decl_uid): New.
4838 (new_omp_context): New.
4839 (delete_omp_context): New.
4840 (gimple_add_tmp_var): Call omp_add_variable.
4841 (gimplify_bind_expr): Likewise.
4842 (gimplify_var_or_parm_decl): If omp_notice_variable returned
4843 true, disregard DECL_VALUE_EXPR on the decl if any.
4844 (gimplify_expr_in_ctx): New.
4845 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
4846 omp_add_variable, omp_notice_variable, omp_is_private
4847 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
4848 gimplify_adjust_omp_clauses, gimplify_omp_parallel
4849 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
4850 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
4851 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
4852 gimplify_omp_atomic): New.
4853 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
4854 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
4855 OMP_CRITICAL and OMP_ATOMIC.
4856 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
4857 * c-pragma.h (enum pragma_kind): Add
4858 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
4859 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
4860 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
4861 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
4862 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
4863 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
4864 PRAGMA_OMP_THREADPRIVATE.
4865 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
4866 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
4867 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
4868 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
4869 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
4870 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
4871 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
4872 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
4873 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
4874 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
4875 * tree-ssa-dce.c (find_control_dependence): Do not assume that
4876 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
4877 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
4879 (struct nesting_info): Add field_map,
4880 suppress_expansion, debug_var_chain.
4881 (create_nesting_tree): Initialize them.
4882 (lookup_field_for_decl): Use field_map.
4883 (get_nonlocal_debug_decl, get_local_debug_decl): New.
4884 (convert_local_omp_clauses): New.
4885 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
4886 (walk_body): Split out of walk_function.
4887 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
4888 (convert_nonlocal_reference): Handle omp statements.
4889 (convert_local_reference): Likewise.
4890 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
4891 (unnest_nesting_tree): New.
4892 (lower_nested_functions): Call it.
4893 (insert_field_into_struct): Make extern.
4894 (struct walk_stmt_info): Move to tree-gimple.h.
4895 (walk_stmts): Make extern.
4896 * omp-builtins.def: New file.
4897 * tree-iterator.c (expr_only): Clarify comment.
4898 * c-common.h (pushdecl_top_level, pushdecl,
4899 build_modify_expr, build_indirect_ref,
4900 c_finish_omp_master, c_finish_omp_critical,
4901 c_finish_omp_ordered, c_finish_omp_barrier,
4902 c_finish_omp_atomic, c_finish_omp_flush,
4903 c_finish_omp_for, c_split_parallel_clauses,
4904 omp_clause_default_kind, c_omp_sharing_predetermined,
4905 c_omp_remap_decl): Declare.
4906 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
4907 (OBJS-common): Add omp-low.o.
4908 (c-omp.o, omp-low.o): Add.
4909 (gimplify.o): Add dependency on $(OPTABS_H).
4910 (GTFILES): Add omp-low.c.
4911 (gt-stringpool.h): Add.
4912 * tree-cfg.c (set_bb_for_stmt): Do not update the
4913 block-to-labels map if we are currently expanding to RTL.
4914 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
4916 Handle IDENTIFIER_NODE.
4917 (tree_verify_flow_info): Do not ICE when emitting error
4918 messages about invalid labels.
4919 (dump_function_to_file): Reset CFUN before emitting the body
4921 (debug_function): New.
4922 * passes.c (init_optimization_passes): Schedule
4924 * langhooks-def.h (lhd_omp_predetermined_sharing,
4925 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
4927 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
4928 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
4929 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
4930 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
4931 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
4932 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
4933 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
4934 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
4935 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
4936 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
4937 (LANG_HOOK_DECLS): Use them.
4939 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
4940 Richard Henderson <rth@redhat.com>
4941 Jakub Jelinek <jakub@redhat.com>
4942 Diego Novillo <dnovillo@redhat.com>
4944 * c-parser.c (pragma_omp_clause): Define.
4945 (c_parser_declaration_or_fndef): Document OpenMP syntax.
4946 (c_parser_compound_statement): Likewise.
4947 (c_parser_statement): Likewise.
4948 (c_parser_pragma): Handle omp pragmas.
4949 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
4950 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
4951 (c_parser_omp_clause_name, check_no_duplicate_clause,
4952 c_parser_omp_variable_list,
4953 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
4954 c_parser_omp_clause_copyprivate,
4955 c_parser_omp_clause_default,
4956 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
4957 c_parser_omp_clause_lastprivate,
4958 c_parser_omp_clause_nowait,
4959 c_parser_omp_clause_num_threads,
4960 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
4961 c_parser_omp_clause_reduction,
4962 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
4963 c_parser_omp_all_clauses, c_parser_omp_structured_block,
4964 c_parser_omp_atomic, c_parser_omp_barrier,
4965 c_parser_omp_critical, c_parser_omp_flush,
4966 c_parser_omp_for_loop, c_parser_omp_for,
4967 c_parser_omp_master, c_parser_omp_ordered,
4968 c_parser_omp_sections_scope, c_parser_omp_sections,
4969 c_parser_omp_parallel, c_parser_omp_single,
4970 c_parser_omp_construct, c_parser_omp_threadprivate): New.
4971 * c-pragma.c (init_pragma): Do omp pragma registration here.
4972 * c.opt (fopenmp): New flag.
4974 2006-01-18 Eric Christopher <echristo@apple.com>
4976 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
4977 * config/darwin.h (GOMP_SELF_SPECS): Define.
4979 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4981 * rtl.h: Remove the prototype for reg_alloc.
4983 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4986 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
4987 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
4988 sjlj and dwarf2 exception handling.
4989 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
4990 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
4991 * pa/pa.c (function_value): Treat complex and vector types as
4993 (function_arg): Likewise. Only pass scalar floats in the floating
4994 point argument registers.
4995 * pa/t-slibgcc-dwarf-ver: New file.
4996 * pa/t-slibgcc-sjlj-ver: New file.
4997 * pa/t-slibgcc-elf-ver: Delete file.
4999 2006-01-19 Alan Modra <amodra@bigpond.net.au>
5001 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
5002 unlikely_test_section_p test.
5004 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5006 * mode-switching.c (optimize_mode_switching): Make it static.
5007 * basic-block.h: Remove the prototype for
5008 optimize_mode_switching.
5010 * modulo-sched.c (sms_schedule): Make it static.
5011 * rtl.h: Remove the prototype for sms_schedule.
5013 * postreload-gcse.c (gcse_after_reload_main): Make it static.
5014 * rtl.h: Remove the prototype for gcse_after_reload_main.
5016 * reg-stack.c (reg_to_stack): Make it static.
5017 * rtl.h: Remove the prototype for reg_to_stack.
5019 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
5021 * rtl.h: Remove the prototypes for regrename_optimize and
5022 copyprop_hardreg_forward.
5024 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
5026 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
5027 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
5028 Test against the appropriate null constant for the mode.
5029 If 'fixup_overlap' is true, swap the operands if they overlap.
5030 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
5031 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
5032 alpha_split_tmode_pair and adjust for above change.
5033 * config/alpha/alpha.md (movtf_internal): Adjust call to
5034 alpha_split_tfmode_pair and rely on it to swap the operands.
5035 (movti_internal): New insn and post-reload splitter.
5036 (movti): New expander.
5038 2006-01-18 Philippe De Muyter <phdm@macqel.be>
5040 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
5043 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5045 * rtlanal.c (global_reg_mentioned_p_1,
5046 global_reg_mentioned_p): Remove.
5047 * rtl.h: Remove the prototype for global_reg_mentioned_p.
5049 * flow.c (initialize_uninitialized_subregs): Make it static.
5050 * rtl.h: Remove the prototype for
5051 initialize_uninitialized_subregs.
5053 * function.c (instantiate_virtual_regs): Make it static.
5054 * function.h: Remove the prototype for
5055 instantiate_virtual_regs.
5057 * regmove.c (regmove_optimize, combine_stack_adjustments):
5059 * rtl.h: Remove the prototypes for regmove_optimize and
5060 combine_stack_adjustments.
5062 2006-01-17 Roger Sayle <roger@eyesopen.com>
5064 * config/i386/i386.c (COSTS_N_BYTES): New macro.
5065 (size_cost): Encode costs in bytes so that a reg-reg addition is
5066 equivalent to COSTS_N_INSNS(1).
5067 (override_options): Use the size_cost.branch_cost as the default
5068 ix86_branch_cost when optimizing for size.
5070 2006-01-18 Ben Elliston <bje@au.ibm.com>
5072 * Makefile.in (D32PBIT_FUNCS): New.
5073 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
5074 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
5075 D64PBIT_FUNCS and D128PBIT_FUNCS.
5076 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
5077 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
5079 (decnumber_dep): Define.
5080 * doc/libgcc.texi (Decimal float library routines): New node.
5081 * config/dfp-bit.h, config/dfp-bit.c: New files.
5083 2006-01-18 Ben Elliston <bje@au.ibm.com>
5085 * expr.c (emit_move_change_mode): Always adjust addresses, not
5086 just during reload. Copy replacements only during reload.
5087 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
5088 emit_move_via_integer.
5090 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
5092 * Makefile.in (check-%, check-consistency): Use $${srcdir}
5093 instead of $(srcdir) and ${srcdir}.
5095 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
5099 * arm.h (struct machine_function): Add pic_reg.
5100 * arm.c (arm_pic_register): Make unsigned.
5101 (arm_override_options): Only set arm_pic_register if
5102 TARGET_SINGLE_PIC_BASE.
5103 (use_return_insn): Only test for a pic register if it is fixed.
5104 (arm_compute_save_reg0_reg12_mask): Likewise.
5105 (thumb_compute_save_reg_mask): Likewise.
5106 (legitimate_pic_operand): Factor out some known invariants.
5107 (legitimize_pic_address): If we don't have a fixed pic register,
5108 then set up a pseudo in the function entry sequence. Handle the
5109 pic base being in a pseudo.
5110 (arm_load_pic_register): Handle the pic register being in a pseudo.
5111 (arm_expand_prologue): Only set up the pic register if it is fixed.
5112 (thumb_expand_prologue): Likewise.
5113 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
5114 (pic_load_addr_based_insn): Likewise.
5115 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
5118 2006-01-18 Ben Elliston <bje@au.ibm.com>
5120 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
5121 decimal float modes for all floating point registers.
5123 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
5124 match_code "mem" with match_test "macho_lo_sum_memory_operand".
5126 2006-01-17 Jakub Jelinek <jakub@redhat.com>
5129 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
5130 even when the pointer is not NULL.
5132 2006-01-16 Ian Lance Taylor <ian@airs.com>
5134 * common.opt (ftoplevel-reorder): New option.
5135 * cgraph.c (cgraph_asm_nodes): New global variable.
5136 (cgraph_asm_last_node): New static variable.
5137 (cgraph_order): New global variable.
5138 (cgraph_create_node): Set new order field.
5139 (cgraph_varpool_node): Likewise.
5140 (decide_is_variable_needed): Return true if not
5141 flag_toplevel_reorder.
5142 (cgraph_add_asm_node): New function.
5143 * cgraph.h (struct cgraph_node): Add order field.
5144 (struct cgraph_varpool_node): Add order field.
5145 (struct cgraph_asm_node): Define.
5146 (cgraph_asm_nodes, cgraph_order): Declare.
5147 (cgraph_add_asm_node): Declare.
5148 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
5150 (cgraph_varpool_assemble_pending_decls): Call it.
5151 (cgraph_output_pending_asms): New static function.
5152 (cgraph_finalize_compilation_unit): Call it.
5153 (struct cgraph_order_sort): Define.
5154 (cgraph_output_in_order): New static function.
5155 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
5156 !flag_toplevel_reorder case.
5157 * c-parser.c: Include "cgraph.h".
5158 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
5160 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
5161 than -fno-unit-at-a-time.
5162 * doc/invoke.texi (Option Summary): Mention
5163 -fno-toplevel-reorder.
5164 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
5165 -funit-at-a-time documentation.
5167 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
5168 Kazu Hirata <kazu@codesourcery.com>
5170 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
5172 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
5174 * Makefile.in (FUNCTION_H): New. Use it instead of
5175 function.h throughout the file.
5176 * function.h: Include tree.h.
5178 2006-01-17 Ben Elliston <bje@au.ibm.com>
5180 * recog.c: Separate some functions with whitespace.
5182 2006-01-16 Richard Henderson <rth@redhat.com>
5184 Merge from gomp branch:
5185 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
5186 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
5187 and rename from struct inline_data. Rename callee* to dst*;
5188 caller* to src*; add copy_decl hook, transform_call_graph_edges,
5189 transform_new_cfg, transform_return_to_modify, and
5190 transform_lang_insert_block flags; remove cloning_p, versioning_p,
5192 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
5193 (copy_decl_for_dup): Remove.
5194 * tree-inline.c (struct inline_data): Move to header.
5195 (insert_decl_map): Export.
5196 (remap_decl): Update for member name changes. Use copy_decl hook.
5197 Allow for replacement to be a non-decl. Remove dead code.
5198 (remap_type_1): Check for existing mapping.
5199 (remap_type): Export.
5200 (remap_decls): Update for member name changes.
5201 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
5202 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
5203 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
5204 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
5205 (tree_function_versioning, build_duplicate_type): Likewise.
5206 (copy_body_r): Likewise. Export.
5207 (copy_decl_for_dup): Split into ...
5208 (copy_decl_for_dup_finish, copy_decl_to_var,
5209 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
5210 (replace_ref_tree, inlining_p): Remove.
5212 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5214 * ifcvt.c (if_convert): Make it static.
5215 * rtl.h: Remove the prototype for if_convert.
5217 * local-alloc.c (local_alloc): Make it static.
5218 * rtl.h: Remove the prototype for local_alloc.
5220 * loop.c (loop_optimize): Make it static.
5221 * cfgloop.h: Remove the prototype for loop_optimize.
5224 2006-01-16 DJ Delorie <dj@redhat.com>
5226 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
5229 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5231 * pa.md: Disparage copies between general and floating-point registers
5232 in 32-bit move patterns.
5234 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
5237 * Makefile.in (check-%): Depend on site.exp instead of
5238 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
5241 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5243 * global.c (global_alloc): Make it static.
5244 * rtl.h: Remove the prototype for global_alloc.
5246 2006-01-16 Richard Guenther <rguenther@suse.de>
5248 * tree-ssa-alias.c (struct used_part): Add write_only field.
5249 (get_or_create_used_part_for): Initialize it to true.
5250 (create_overlap_variables_for): Don't create structure variables
5251 for structures that only are written to.
5252 (find_used_portions): Handle MODIFY_EXPR to track whether a
5253 structure is only written to.
5255 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5257 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
5259 * basic-block.h: Remove the prototype for
5260 partition_hot_cold_basic_blocks.
5262 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
5264 * cppspec.c (lang_specific_spec_functions): Remove.
5265 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
5266 * gcc.h (lang_specific_spec_functions): Remove.
5267 * gccspec.c (lang_specific_spec_functions): Remove.
5269 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
5271 * combine.c (record_value_for_reg): Invalidate registers
5273 (record_dead_and_set_regs_1): Likewise, by passing them to
5274 record_value_for_reg.
5275 (record_dead_and_set_regs): Invalidate stores made by a
5276 call. We do not combine across a call, but we still
5277 relied on equivalences.
5279 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5281 * tree-vrp.c (extract_range_from_binary_expr): Cope with
5282 vrp_int_const_binop returning non-constant nodes.
5284 2006-01-16 Paul Brook <paul@codesourcery.com>
5286 * config/m68k/m68k.c (output_move_const_into_data_reg):
5287 Output correct mnemonic for mvz and mvs.
5289 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
5291 * rtl-factoring.c: Add sequence abstraction algorithm.
5292 * cfgcleanup.c (outgoing_edges_match): Extra checks.
5293 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
5295 (block_has_preserve_label): New function.
5296 * common.opt: Register new pass.
5297 * Makefile.in: Ditto.
5299 * timevar.def: Ditto.
5300 * tree-pass.h: Ditto.
5301 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
5302 * rtl.h (make_jump_insn_raw): Add forward decl.
5303 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
5305 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5306 Roger Sayle <roger@eyesopen.com>
5308 * fold-const.c (fold_minmax): New static function.
5309 (fold_binary) <MIN_EXPR>: Call it.
5310 <MAX_EXPR>: Likewise.
5311 * stor-layout.c (place_field): Use DECL_SIZE consistently
5312 in the computation of the new record size.
5314 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5316 * cse.c (cse_condition_code_reg): Make it static.
5317 * rtl.h: Remove the prototype for cse_condition_code_reg.
5319 * combine.c (combine_instructions): Make it static.
5320 * rtl.h: Remove the prototype for combine_instructions.
5322 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5325 * tree.c (get_file_function_name_long): Concatenate the first global
5326 object name with a string derived from the input filename of the object
5329 2006-01-16 Ben Elliston <bje@au.ibm.com>
5331 * config/i386/winnt-stubs.c: Update FSF address.
5332 * config/xtensa/ieee754-df.S: Ditto.
5333 * config/xtensa/ieee754-sf.S: Ditto.
5335 2006-01-14 Ian Lance Taylor <ian@airs.com>
5337 * ifcvt.c (noce_init_if_info): New static function, broken out of
5338 noce_process_if_block.
5339 (noce_process_if_block): Call noce_init_if_info.
5340 (check_cond_move_block): New static function.
5341 (cond_move_process_if_block): New static function.
5342 (process_if_block): Call cond_move_process_if_block.
5344 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
5346 * cselib.c (hash_table): Rename to cselib_hash_table.
5347 (cselib_clear_table, discard_useless_values,
5348 remove_useless_values, cselib_lookup_mem, cselib_lookup,
5349 cselib_init, cselib_finish): Adjust uses of hash_table.
5351 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
5353 PR tree-optimization/25485
5354 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
5355 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
5356 is known to be false and true, respectively.
5358 2006-01-14 Richard Guenther <rguenther@suse.de>
5360 PR tree-optimization/22548
5361 PR tree-optimization/22555
5362 PR tree-optimization/22501
5363 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
5364 * params.def (salias-max-array-elements): New parameter.
5365 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
5366 * doc/invoke.texi (salias-max-array-elements): Document.
5367 * tree-flow-inline.h (var_can_have_subvars): We also handle
5369 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
5371 * tree-ssa-structalias.c (params.h): Include.
5372 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
5373 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
5374 (get_constraint_for): For ADDR_EXPR operating on something
5375 containing an ARRAY_REF, add all subvars to the solution.
5376 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
5377 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
5378 for creating MUST_DEFs.
5379 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
5381 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
5383 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
5385 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
5386 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5387 number_of_iterations_le): New functions.
5388 (number_of_iterations_special): Removed.
5389 (number_of_iterations_exit): Do not use number_of_iterations_special.
5390 * tree.c (unsigned_type_for): Always return integer type.
5392 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
5393 Richard Guenther <rguenther@suse.de>
5395 PR rtl-optimization/24257
5396 * gcse.c (find_moveable_store): Only consider a store movable
5397 when the SET_SRC of the insn can be assigned to a register.
5399 2006-01-14 Ian Lance Taylor <ian@airs.com>
5401 * tree.c (tree_not_class_check_failed): New function.
5402 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
5403 (tree_not_class_check_failed): Declare.
5405 2006-01-13 Ian Lance Taylor <ian@airs.com>
5407 * reload1.c (do_output_reload): Add assertion rejecting a
5410 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
5412 * combine.c (struct reg_stat): Add new fields truncation_label and
5414 (record_value_for_reg): Reset truncated_to_mode.
5415 (record_truncated_value): New function.
5416 (check_promoted_subreg): Call it. Rename to check_conversions.
5417 (combine_instructions): Rename check_promoted_subreg to
5419 (reg_truncated_to_mode): New function.
5420 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
5421 (gen_lowpart_or_truncate): New function.
5422 (force_to_mode): Use it instead of gen_lowpart.
5424 2006-01-13 Diego Novillo <dnovillo@redhat.com>
5426 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
5427 VAR is a tag, not its type tag.
5429 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
5431 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
5432 alternatives to match style of other entries.
5433 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
5435 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
5437 PR tree-optimization/25771
5438 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
5441 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
5444 * tree-inline.c (declare_return_variable): If the return variable
5445 was marked as a non gimple complex, set the return slot variable
5446 to be a non gimple comple variable.
5448 2006-01-13 Richard Guenther <rguenther@suse.de>
5450 * builtins.c (expand_builtin_sincos): New function.
5451 (expand_builtin_mathfn_3): Remove dead code, sin and cos
5453 (expand_builtin): Expand sincos using expand_builtin_sincos.
5455 2006-01-12 DJ Delorie <dj@redhat.com>
5457 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
5458 shift counts, separate SI shifts for m32c vs m16c, pass shift type
5459 so that constant shifts can be split.
5460 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
5461 (m32c_valid_pointer_mode): Make static.
5462 (shift_gen_func_for): New.
5463 (m32c_prepare_shift): Use it. Split large const shifts into
5465 * config/m32c/predicates.md (shiftcount_operand): Allow more
5467 (longshiftcount_operand): New.
5468 * doc/md.texi (Machine Constraints): Document In6.
5470 2006-01-13 Ben Elliston <bje@au.ibm.com>
5472 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
5473 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
5476 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
5478 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
5479 to try to avoid clobbering pieces of structures when we know
5480 something about the whole structure.
5481 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
5483 2006-01-13 Ben Elliston <bje@au.ibm.com>
5485 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
5486 return in memory, as this is no limitation is no longer present.
5488 2006-01-12 DJ Delorie <dj@redhat.com>
5490 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
5491 mova with fb, and for fb+0 -> An.
5493 * config/m32c/mov.md (peephole2): Fix enabling logic.
5495 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
5496 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
5497 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
5498 FINI_ARRAY_SECTION_ASM_OP): Define.
5500 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
5502 (m32c_legitimize_reload_address): New logic to reload FB to An.
5503 (m32c_output_reg_push): Add newline.
5504 (m32c_output_reg_pop): Likewise.
5506 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
5508 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
5510 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
5512 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
5514 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5516 * config/sh/predicates.md (sh_rep_vec): Add parallel to
5519 2006-01-11 Ben Elliston <bje@au.ibm.com>
5521 * rtlanal.c (find_reg_note): Assert insn is not null.
5523 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
5525 * df-scan.c (df_hard_reg_init): Move declaration of i outside
5528 2006-01-11 Jeff Law <law@redhat.com>
5530 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
5532 (mark_threaded_blocks, register_jump_thread): New functions.
5533 (thread_through_all_blocks): Remove unwanted argument. No
5534 longer rely on e->aux to communicate thread target info.
5535 Call mark_threaded_blocks. Release the threaded_blocks
5536 bitmap and threaded_edges vector when complete.
5537 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
5538 (threaded_blocks): Remove.
5539 (tree_ssa_dominator_optimize): Remove initialization and
5540 finalization of threaded_blocks. Simplify call to
5541 thread_through_all_blocks.
5542 (thread_across_edge): Call register_jump_thread rather than
5543 storing thread information into e->aux.
5544 (free_all_edge_infos): Simplify now that e->aux is no longer
5545 used to communicate with thread_through_all_blocks.
5546 * tree-flow.h (thread_through_all_blocks): Update prototype.
5547 (register_jump_thread): Prototype.
5549 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5551 * df-core.c (df_compact_blocks, df_bb_replace): Use
5552 SET_BASIC_BLOCK instead of BASIC_BLOCK.
5554 2006-01-11 Richard Guenther <rguenther@suse.de>
5556 PR tree-optimization/25734
5557 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
5558 stop propagation after successful propagation to the LHS.
5560 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5562 * basic-block.h (control_flow_graph): Change the type of
5563 x_basic_block_info to VEC(basic_block,gc) *.
5564 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
5566 (SET_BASIC_BLOCK): New.
5567 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
5568 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
5569 * cfgbuild.c (find_basic_blocks): Likewise.
5570 * cfglayout.c (fixup_reorder_chain): Likewise.
5571 * cfgrtl.c (create_basic_block_structure,
5572 rtl_create_basic_block): Likewise.
5573 * ifcvt.c (find_if_case_1): Likewise.
5574 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
5577 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
5579 * Makefile.in: Removed rotted odf.c entry.
5581 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
5584 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
5585 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
5586 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
5587 output pattern modifier, not %e.
5588 * config/cris/cris.c (cris_op_str): Update comment about pattern
5590 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
5591 before falling through into...
5592 <case 'E'>: Redefined from old 'e' case.
5594 2006-01-11 Jan Hubicka <jh@suse.cz>
5597 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
5599 2006-01-11 Jan Hubicka <jh@suse.cz>
5601 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
5602 * i386.c (x86_decompose_lea): Kill.
5603 (ix86_rtx_costs): Kill.
5605 2006-01-11 Jan Hubicka <jh@suse.cz>
5607 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
5608 * cgraph.h (cgraph_node): Add inline_decl.
5609 (cgraph_insert_node_to_hashtable): Declare.
5610 (save_inline_function_body): Declare.
5611 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
5613 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
5614 (cgraph_function_versioning): Update call of tree_function_versioning.
5615 (save_inline_function_body): New function.
5616 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
5617 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
5618 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
5619 (cgraph_default_inline_p): Likewise.
5620 (cgraph_decide_inlining_incrementally): Likewise.
5621 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
5622 (copy_bb): Kill saving; do updating of clones.
5623 (copy_cfg_body): Kill saving.
5624 (initialize_inlined-parameters): Likewise.
5625 (expand_call_inline): Likewise.
5627 (tree_function_versioning): New parameter "update_clones".
5628 (inlining_p): Kill saving.
5629 * tree-inline.h (tree_function_versioning): Update prototype.
5630 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
5633 2006-01-11 Ian Lance Taylor <ian@airs.com>
5635 * combine.c (struct undo): Remove is_int. Enumify types of undos.
5636 Allow undoing set of machine mode.
5637 (do_SUBST): Use enums instead of is_int.
5638 (do_SUBST_MODE): New function.
5639 (SUBST_MODE): New macro.
5640 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
5641 reg and trying to replace reg_regno_rtx with a new register.
5642 (undo_all): Use new enums, handle undoing a PUT_MODE change.
5643 (simplify_set): Use SUBST_MODE.
5644 (distribute_notes): Remove code that tried to update reg notes
5645 for regno_reg_rtx changes.
5647 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
5649 PR tree-optimization/23109
5650 PR tree-optimization/23948
5651 PR tree-optimization/24123
5653 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
5654 * tree-cfg.c (single_noncomplex_succ): New.
5655 * tree-flow.h (single_noncomplex_succ): Declare it.
5656 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
5657 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
5658 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
5659 insert_bb, register_division_in, insert_reciprocals,
5660 replace_reciprocal, free_bb): New.
5661 (execute_cse_reciprocals_1): Rewritten.
5662 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
5663 Do not commit any edge insertion. Always compute dominators and
5664 create the allocation pool.
5665 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
5666 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
5667 * targhooks.c (default_min_divistions_for_recip_mul): New.
5668 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
5669 * passes.c (init_optimization_passes): Run recip after tree loop
5671 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
5673 2006-01-11 Danny Berlin <dberlin@dberlin.org>
5674 Kenneth Zadeck <zadeck@naturalbridge.com>
5676 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
5677 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
5678 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
5679 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
5680 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
5681 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
5682 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
5683 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
5684 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
5685 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
5686 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
5687 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
5688 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
5689 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
5690 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
5691 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
5692 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
5693 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
5694 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
5695 DF_SCAN_POST_ALLOC): New macros.
5696 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
5697 df_free_bb_function, df_local_compute_function, df_init_function,
5698 df_dataflow_function, df_confluence_function_0,
5699 df_confluence_function_n, df_transfer_function,
5700 df_finalizer_function, df_free_function, df_dump_problem_function,
5701 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
5702 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
5703 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
5704 df_urec_bb_info, ) New types.
5705 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
5707 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
5708 df_analyze_simple_change_some_blocks,
5709 df_analyze_simple_change_one_block, df_compact_blocks,
5710 df_bb_replace, df_bb_regno_last_use_find,
5711 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
5712 df_insn_regno_def_p, df_find_def, df_find_use,
5713 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
5714 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
5715 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
5716 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
5717 debug_df_chain, df_get_dependent_problem, df_chain_create,
5718 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
5719 df_grow_bb_info, df_chain_dump, df_print_bb_index,
5720 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
5721 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
5722 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
5723 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
5724 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
5725 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
5726 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
5727 df_ref_remove, df_insn_refs_delete, df_refs_delete,
5728 df_reorganize_refs, df_set_state, df_hard_reg_init,
5729 df_read_modify_subreg_p) New public functions.
5730 * df-core.c: The core dataflow solver and glue routines for rtl
5732 (df_init, df_add_problem, df_set_blocks, df_finish,
5733 df_hybrid_search_forward, df_hybrid_search_backward,
5734 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
5735 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
5736 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
5737 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
5738 df_reg_defined, df_find_use, df_reg_used, df_dump,
5739 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
5740 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
5741 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
5742 debug_df_useno, reset_df_after_reload): New functions.
5743 * df-scan.c: The scanning fuctions, once in df.c, completely
5744 rewritten so that they now fully model the functionality of
5745 register usage at the backend.
5746 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
5747 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
5748 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
5749 df_grow_insn_info, df_rescan_blocks, df_ref_create,
5750 df_get_artificial_defs, df_get_artificial_uses,
5751 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
5752 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
5753 df_refs_delete, df_reorganize_refs, df_set_state,
5754 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
5755 df_def_record_1, df_defs_record, df_uses_record,
5756 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
5757 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
5758 df_record_exit_block_uses, df_hard_reg_init): New functions.
5760 * df-problems.c: Seven concrete dataflow problems that use the
5761 scanning in df-scan.c and are solved by the engine in df-core.c.
5762 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
5763 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
5764 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
5765 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
5766 df_ru_free_bb_info, df_ru_alloc,
5767 df_ru_bb_local_compute_process_def,
5768 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
5769 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
5770 df_ru_transfer_function, df_ru_free, df_ru_dump,
5771 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
5772 df_rd_free_bb_info, df_rd_alloc,
5773 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
5774 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
5775 df_rd_transfer_function, df_rd_free, df_rd_dump,
5776 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
5777 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
5778 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
5779 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
5780 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
5781 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
5782 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
5783 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
5784 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
5785 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
5786 df_urec_mark_reg_change, df_urec_check_earlyclobber,
5787 df_urec_mark_reg_use_for_earlyclobber,
5788 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
5789 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
5790 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
5791 df_urec_dump, df_urec_add_problem, df_chain_alloc,
5792 df_chain_create_bb_process_use, df_chain_create_bb,
5793 df_chain_finalize, df_chain_free, df_chains_dump,
5794 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
5795 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
5796 df_reg_lifetime): New functions.
5797 * df.c: Deleted file.
5798 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
5799 consistent with new df api.
5800 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
5801 rest_of_handle_sms): Ditto.
5802 * web.c (unionfind_union, union_defs, entry_register, web_main):
5804 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
5805 invariant_expr_equal_p, find_defs, check_dependencies,
5806 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
5807 free_inv_motion_data, move_loop_invariants): Ditto.
5808 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
5809 Update dependencies.
5810 (odf.c): Added defective entry that was deleted later in day.
5811 * sched-deps.c (sched_analyze_1): Ditto.
5813 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
5815 * tree-ssa-operands.c (get_expr_operands): Record addressable
5816 variables directly. Do not call add_stmt_operands for CONST_DECLs
5818 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
5819 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
5821 2006-01-11 Ben Elliston <bje@au.ibm.com>
5823 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
5824 function returns true in the positive case.
5826 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5829 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
5830 for SI, DI, SF and DF modes. Add alternatives to copy between
5831 general and floating point registers to the 32-bit patterns.
5832 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
5833 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
5834 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
5835 generating 64-bit code.
5836 * config/pa/pa.c (output_move_double): Handle copies between general
5837 and floating registers.
5839 2006-01-10 Stuart Hastings <stuart@apple.com>
5841 * config/i386/i386.md (set_got): Update.
5842 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
5843 (builtin_setjmp_receiver): Mach-O support.
5844 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
5845 (GOT_SYMBOL_NAME): Define.
5846 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
5847 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
5848 * config/i386/i386.c (override_options): Revise for Darwin.
5849 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
5850 support. (darwin_x86_file_end): New. (output_set_got): Add label
5851 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
5852 * config/i386/i386-protos.h (output_set_got): Likewise.
5853 * config/darwin.c (machopic_legitimize_pic_address): Update
5856 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
5858 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
5859 when MODE isn't BLKmode.
5861 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5863 PR rtl-optimization/25367
5864 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
5866 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
5869 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
5870 for a negative bound.
5872 2006-01-10 Richard Guenther <rguenther@suse.de>
5874 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5875 Never override with anything constraint.
5877 2006-01-10 Jan Beulich <jbeulich@novell.com>
5879 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
5880 256 bits when optimize_size.
5882 2006-01-10 Jan Beulich <jbeulich@novell.com>
5884 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
5886 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
5887 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
5890 2006-01-10 Ben Elliston <bje@au.ibm.com>
5892 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
5894 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
5895 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
5896 (USE_FP_FOR_ARG): Reject decimal float modes.
5897 (function_arg_advance): Likewise.
5898 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
5899 (rs6000_handle_altivec_attribute): Do not permit decimal floating
5900 point types in AltiVec vectors.
5901 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
5902 (rs6000_libcall_value): Likewise.
5904 2006-01-09 Bob Wilson <bob.wilson@acm.org>
5906 * config/xtensa/ieee754-df.S: New file.
5907 * config/xtensa/ieee754-sf.S: New file.
5908 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
5909 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
5910 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
5912 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
5914 * config/sh/predicates.md (binary_float_operator,
5915 binary_logical_operator, commutative_float_operator,
5916 equality_comparison_operator, greater_comparison_operator,
5917 less_comparison_operator, logical_operator,
5918 noncommutative_float_operator, shift_operator,
5919 symbol_ref_operand, unary_float_operator): Remove redundant
5922 2006-01-09 Jeff Law <law@redhat.com>
5924 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
5925 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
5926 now unused arguments. Callers updated.
5927 (eliminate_redundant_computations): Remove now unused arguments,
5929 (local_fold): Remove, no longer used.
5930 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
5932 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
5933 (simplify_cond): New function.
5934 (forward_propagate_into_cond): Call simplify_cond.
5936 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
5938 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
5939 (*vec_extractv2di_1_sse): New.
5941 2006-01-09 Ben Elliston <bje@au.ibm.com>
5943 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
5945 2006-01-08 Richard Guenther <rguenther@suse.de>
5947 * tree-ssa-structalias.c (get_constraint_for): Remove
5949 (get_constraint_for_component_ref): Likewise.
5950 (do_deref): Likewise.
5951 (get_constraint_for): Likewise.
5952 (do_structure_copy): Likewise.
5953 (handle_ptr_arith): Likewise.
5954 (find_func_aliases): Likewise. Remove unused need_anyoffset
5957 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
5958 Kaz Kojima <kkojima@gcc.gnu.org>
5960 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
5961 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
5962 (EXTRA_CONSTRAINT_C16): Remove.
5963 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
5964 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
5965 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
5966 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
5967 constants of SHmedia. Handle nested constant expressions of
5969 (andcosts): Fix the costs for SHmedia constants.
5970 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
5971 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
5972 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
5973 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
5974 (movv4hi_i, movv2si_i): Likewise.
5975 (movsi_const): Adjust the second operand of ior so to match with
5977 (movdi_const, movdi_const_32bit): Likewise.
5978 (movdi_const_16bit+1): Don't sign-extend LOW.
5979 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
5981 (*double_shori): Fix the split condition. Use GEN_INT instead
5982 of get_int_mode calls. Mask lower 16-bit of the argument of
5984 (sym2GOTPLT): Remove.
5985 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
5987 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
5988 instead of EXTRA_CONSTRAINT_C16.
5990 2006-01-07 Ian Lance Taylor <ian@airs.com>
5991 David Edelsohn <edelsohn@gnu.org>
5993 PR rtl-optimization/25662
5994 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
5995 for constant operands instead of simplify_gen_binary.
5996 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
5997 after trying simplify_binary_operation
5999 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
6001 * tree.c (iterative_hash_expr): Hash decls based on UID.
6003 2006-01-06 Eric Christopher <echristo@apple.com>
6005 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
6006 (TARGET_UNWIND_EMIT): Fix spelling.
6007 * target.h (gcc_target): Add except_table_label.
6008 * except.c (output_function_exception_table): Use.
6009 * varasm.c (default_emit_except_table_label): New.
6010 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
6012 (asm_out): Add here.
6013 * output.h (default_emit_except_table_label): Prototype.
6014 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
6015 * config/darwin.c (darwin_emit_except_table_label): Define.
6016 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
6018 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
6020 PR tree-optimization/18527
6021 * tree-ssa-loop-niter.c (number_of_iterations_cond,
6022 number_of_iterations_special, number_of_iterations_exit):
6023 Move base and step of an iv to a single structure. Add
6024 no_overflow flag, and use it in # of iterations analysis.
6025 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
6026 folded_casts argument.
6027 (simple_iv): Pass base and step in a structure. Set no_overflow
6029 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
6030 Evaluate expensiveness of computing # of iterations instead of
6031 the final expression.
6032 * tree-scalar-evolution.h (affine_iv): New structure.
6033 (simple_iv): Declaration changed.
6034 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
6035 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
6036 find_givs_in_stmt): Changed due to simple_iv change.
6038 2006-01-06 Jeff Law <law@redhat.com>
6041 * tree-cfg.c (bsi_replace): Rename final argument from
6042 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
6043 change (stmt -> orig_stmt).
6044 * tree-eh.c (verify_eh_throw_stmt_node): New function.
6045 (bsi_remove): Add new argument. Remove EH information
6047 (verify_eh_throw_table_statements): New function.
6048 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
6050 * tree-optimize.c (execute_free_cfg_annotations): Verify
6051 the EH throw statement table after removing annotations.
6052 * except.h (verify_eh_throw_table_statements): Prototype.
6053 * tree-flow.h (bsi_remove): Update prototype.
6054 * tree-vrp.c (remove_range_assertions): Add new argument to
6056 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
6057 * tree-complex.c (expand_complex_div_wide): Likewise.
6058 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
6059 * tree-tailcall.c (eliminate_tailcall): Likewise.
6060 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
6061 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
6062 * tree-nrv.c (tree_nrv): Likewise.
6063 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
6064 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
6065 (combine_blocks): Likewise.
6066 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
6067 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
6068 (cleanup_control_flow): Likewise.
6069 (remove_forwarder_block): Likewise.
6070 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
6071 * tree-sra.c (sra_replace): Likewise.
6072 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
6073 (forward_propagate_single_use_vars): Likewise.
6074 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
6075 * tree-inline.c (expand_call_inline): Likewise.
6076 * tree-vect-transform.c (vect_transform_loop): Likewise.
6077 * tree-outof-ssa.c (rewrite_trees): Likewise.
6078 * tree-cfg.c (make_goto_expr_edges): Likewise.
6079 (cleanup_dead_labels): Likewise.
6080 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
6081 (bsi_move_before, bsi_move_after): Likewise.
6082 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
6083 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
6085 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
6088 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
6090 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
6091 on non gimple variables. Also add checks at the top for decls and
6093 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
6095 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
6096 and IMAGPART_EXPR for creating MUST_DEFs.
6097 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
6098 and NAME_MEMORY_TAG separately from the DECLs.
6100 2006-01-06 Richard Guenther <rguenther@suse.de>
6102 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
6103 annotation, if necessary.
6104 * tree-ssa-pre.c (create_expression_by_pieces): Remove
6105 redundant calls to update_stmt.
6106 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
6109 2006-01-05 Richard Henderson <rth@redhat.com>
6111 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
6113 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6115 * c-typeck.c: Update copyright date.
6117 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6119 * c-typeck.c (build_c_cast): Always warn when casting
6120 from a pointer to an integer of different size, even if
6121 the node was constant.
6123 2006-01-05 Richard Guenther <rguenther@suse.de>
6125 PR tree-optimization/22555
6126 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
6127 if one structure field is an array.
6128 * tree-ssa-operands.c (get_expr_operands): Continue scanning
6129 operands even if we found a subvar, but ignore VOPs in this
6131 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
6133 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
6135 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
6138 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
6140 2006-01-05 Richard Guenther <rguenther@suse.de>
6141 Diego Novillo <dnovillo@redhat.com>
6143 * tree-pass.h (TODO_remove_unused_locals): Define.
6144 * gimple-low.c (expand_var_p, remove_useless_vars,
6145 pass_remove_useless_vars): Remove. Update all users.
6146 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
6147 (remove_unused_locals): New function.
6148 * tree-flow.h (remove_unused_locals): Declare.
6149 * passes.c (execute_todo): Call remove_unused_locals if
6150 TODO_remove_unused_locals is set.
6151 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
6152 * tree-ssa-dce.c (pass_dce): Likewise.
6153 * tree-outof-ssa.c (pass_del_ssa): Likewise.
6155 2006-01-05 Richard Guenther <rguenther@suse.de>
6157 * tree-flow.h (struct fieldoff): Decompose field to
6158 type, size and decl.
6159 * tree-ssa-alias.c (create_sft): Take type as parameter.
6160 (create_overlap_variables_for): Store type, size and decl
6161 in the fieldoff structure.
6162 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
6164 (push_fields_onto_fieldstack): Likewise.
6165 (create_variable_info_for): Likewise. Use offset for the
6166 SFT name if the decl is not available.
6168 2006-01-04 Paul Brook <paul@codesourcery.com>
6170 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
6172 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
6174 * lambda-code.c (can_put_in_inner_loop): Relax
6176 (can_put_after_inner_loop): New function.
6177 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
6178 (perfect_nestify): Change to make copies and modify uses.
6180 2006-01-04 Richard Henderson <rth@redhat.com>
6182 Merge from gomp branch:
6183 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
6184 via integer constant.
6185 (pragma_lex): Remove.
6186 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
6187 rather than parsing it.
6188 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
6189 handle_pragma_extern_prefix): Add %< %> quotes.
6190 (registered_pragmas): New.
6191 (c_register_pragma_1): New.
6192 (c_register_pragma): Use it.
6193 (c_register_pragma_with_expansion): Likewise.
6194 (c_invoke_pragma_handler): New.
6195 (init_pragma): Use cpp_register_deferred_pragma directly for
6197 * c-pragma.h (enum pragma_kind): New.
6198 (pragma_handler): New.
6199 (c_invoke_pragma_handler): Declare.
6200 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
6202 * c-common.h (c_common_pch_pragma): Update decl.
6203 * Makefile.in (c-parser.o): Update dependencies.
6204 (GTFILES): Add c-pragma.h.
6205 * c-parser.c (struct c_token): Add pragma_kind.
6206 (struct c_parser): Add in_pragma.
6207 (c_lex_one_token): Always initialize keyword and pragma_kind.
6208 Extract data for CPP_PRAGMA.
6209 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
6210 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
6211 Don't allow CPP_PRAGMA_EOL if in_pragma.
6212 (c_parser_consume_pragma): New.
6213 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
6214 (c_parser_skip_to_end_of_parameter): Likewise.
6215 (c_parser_skip_to_end_of_block_or_statement): Likewise.
6216 (c_parser_skip_to_pragma_eol): New.
6217 (c_parser_external_declaration): Handle CPP_PRAGMA.
6218 (c_parser_compound_statement_nostart): Likewise.
6219 (c_parser_statement_after_labels): Likewise.
6220 (c_parser_pragma): New.
6221 (pragma_lex): Likewise.
6222 (c_parser_pragma_pch_preprocess): New.
6223 (c_parser_new): Merge into ...
6224 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
6226 2006-01-04 Jeff Law <law@redhat.com>
6229 * tree-cfg.c (bsi_replace): Remove the original statement
6230 from the EH throw statement table.
6232 2006-01-04 Jakub Jelinek <jakub@redhat.com>
6234 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
6235 make the prototype extern "C" and add throw ().
6238 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
6239 and pos non-negative and pos + len <= 32.
6240 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
6241 drop pos + len < HOST_BITS_PER_WIDE_INT test.
6242 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
6245 * c-common.c (handle_vector_size_attribute): Reject zero vector size
6246 as well as sizes not multiple of component size.
6249 * function.c (instantiate_expr): New function.
6250 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
6251 walk its DECL_VALUE_EXPR with instantiate_expr.
6253 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
6254 DW_OP_deref{,_size} if address isn't going to be added.
6256 2006-01-04 Ben Elliston <bje@au.ibm.com>
6258 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
6259 * config/fp-bit.c: Likewise.
6261 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
6263 * dominance.c: Add comment about why we use DFS numbering
6266 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6267 Richard Henderson <rth@redhat.com>
6269 Merge from gomp-branch:
6270 * varasm.c (assemble_variable): Handle thread-local COMMON data.
6271 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
6273 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
6275 PR rtl-optimization/25578
6276 * combine.c (combine_simplify_rtx, force_to_mode): Don't
6277 pass a parameter to simplify_shift_const if changing ASHIFTRT
6280 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
6282 * builtins.c (get_builtin_sync_mem): New function.
6283 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
6284 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
6285 Call get_builtin_sync_mem to generate mem rtx.
6287 2006-01-03 Richard Guenther <rguenther@suse.de>
6290 * stmt.c (add_case_node): Make sure to clear overflow flags
6293 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6295 Merge from gomp-branch.
6296 * config/sparc/sync.md: New file.
6297 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
6298 UNSPECV_LDSTUB): New constants.
6299 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
6300 * config/sparc/predicates.md (memory_reg_operand): New predicate.
6301 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
6304 2006-01-03 Roger Sayle <roger@eyesopen.com>
6306 * combine.c (reg_subword_p): New predicate to test whether the
6307 destination of a set refers to a subword/piece of a register.
6308 (try_combine): Generalize the code to merge the setting of a
6309 pseudo to a constant followed by a set of a subword of that
6310 register to a constant.
6312 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
6314 * basic-block.h (control_flow_graph): Change the type of
6315 x_label_to_block_map to VEC(basic_block,gc) *.
6316 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
6317 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
6319 * tree-ssa-propagate.c (cfg_blocks): Change the type to
6320 VEC(basic_block,heap) *.
6321 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
6322 ssa_prop_fini): Adjust the uses of cfg_blocks.
6324 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
6326 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
6328 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
6329 hashing trees instead of a pointer hash.
6330 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
6331 compare for MEM_EXPR.
6333 PR rtl-optimization/25130
6334 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
6335 when comparing MEMs for GCSE
6337 2006-01-03 Ben Elliston <bje@au.ibm.com>
6339 * targhooks.h (default_decimal_float_supported_p): Declare.
6340 * targhooks.c (default_decimal_float_supported_p): Define.
6341 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
6342 `default_decimal_float_supported_p'.
6343 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
6345 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
6347 * combine.c (apply_distributive_law <SUBREG>): Check
6348 TRULY_NOOP_TRUNCATION.
6350 2006-01-02 Geoffrey Keating <geoffk@apple.com>
6352 * dwarf2out.c (have_switched_text_section): Delete.
6353 (have_multiple_function_sections): New.
6354 (have_location_lists): Make 'bool'.
6355 (add_AT_loc_list): Use 'true' not '1'.
6356 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
6357 (output_loc_list): Use have_multiple_function_sections.
6358 (output_ranges): Likewise.
6359 (dwarf2out_begin_function): Set have_multiple_function_sections if
6361 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
6362 Check function_section rather than DECL_SECTION_NAME.
6363 (dwarf2out_finish): Use have_multiple_function_sections.
6364 Don't clear have_location_lists.
6366 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
6367 Jan Hubicka <jh@suse.cz>
6369 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
6370 case of conditional jump jumping to the next instruction.
6371 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
6372 cases of conditional jump jumping to the next instruction.
6374 2006-01-02 Jan Hubicka <jh@suse.cz>
6376 * i386.c (*_cost): Add COSTS_N_INSNS.
6377 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
6379 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
6382 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
6384 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6386 * config/arm/arm.c (all_fpus): Fix comment typo.
6387 * config/darwin.c: Likewise.
6388 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
6389 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
6390 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
6392 2006-01-01 David Edelsohn <edelsohn@gnu.org>
6394 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
6395 (rs6000_split_compare_and_swapqhi): New.
6396 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
6397 (sync_compare_and_swapqhi_internal): New.
6398 * config/rs6000/rs6000-protos.h: Declare.
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