1 2006-03-02 Eric Christopher <echristo@apple.com>
3 * config/i386/i386.c (machopic_output_stub): Add indirection to
6 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
12 Sun Niagara specific optimizations.
13 * config.gcc: Recognize niagara as target.
14 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
15 (TARGET_CPU_niagara): Define.
16 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
17 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
18 (CPP_CPU_SPEC): Handle -mcpu=niagara.
19 (ASM_CPU_SPEC): Likewise.
20 (PROCESSOR_NIAGARA): New enum entry.
21 (REGISTER_MOVE_COST): Handle Niagara.
22 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
23 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
24 (sparc_override_options): Recognize "niagara", set appropriate
25 default MASK_* values for it, and align functions to 32-bytes
26 by default just like ULTRASPARC/ULTRASPARC3.
27 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
28 (sparc64_initialize_trampoline): Likewise.
29 (sparc_use_sched_lookahead): Use zero for niagara.
30 (sparc_issue_rate): Use one for niagara.
31 * config/sparc/niagara.md: New file.
32 * config/sparc/sparc.md: Include it.
33 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
34 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
35 when default cpu is niagara.
36 (CPP_CPU_SPEC): Handle -mcpu=niagara.
37 (ASM_CPU_SPEC): Likewise.
38 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
39 when default cpu is niagara.
40 (ASM_CPU_SPEC): Handle -mcpu=niagara.
41 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
42 just like v9/ultrasparc/ultrasparc3.
43 * doc/invoke.texi: Add documentation for "niagara" and improve
44 existing documentation for ultrasparc variants.
46 2006-03-02 Diego Novillo <dnovillo@redhat.com>
48 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
50 2006-03-02 Richard Sandiford <richard@codesourcery.com>
52 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
53 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
54 and say that only one is needed.
55 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
56 * target.h (have_switchable_bss_sections): New hook.
57 * explow.c (use_anchored_address): Check that the symbol is in a block.
58 * varasm.c (tls_comm_section, comm_section, lcomm_section)
59 (bss_noswitch_section): New variables.
60 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
61 (get_noswitch_section): New function.
62 (get_block_for_section): Allow SECT to be null.
63 (unlikely_text_section_p): Use SECTION_STYLE.
64 (bss_initializer_p): New function.
65 (get_variable_section): Move earlier in file. Take a new argument,
66 prefer_noswitch_p. Move bss checks from assemble_variable to here.
67 Return one of the new *_sections in such cases.
68 (get_block_for_decl): New function, extracting some logic from
69 use_blocks_for_decl_p.
70 (change_symbol_section): Remove in favor of...
71 (change_symbol_block): ...this new function.
72 (use_blocks_for_decl_p): Remove checks now performed by
74 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
75 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
76 (emit_local, emit_bss, emit_common): ...these new functions.
77 Return true if the alignment was honored.
78 (emit_tls_common): New function.
79 (asm_emit_uninitialised): Delete.
80 (assemble_variable_noswitch): New function, split out from...
81 (assemble_variable): ...here. Don't make decisions about common
82 variables here. Globalize all public decls that go into non-common
83 sections. Check whether SYMBOL_REF_BLOCK is null.
84 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
85 (output_constant_pool): Likewise.
86 (init_varasm_once): Initialize the new section variables.
87 (have_global_bss_p): New function.
88 (categorize_decl_for_section): Use bss_initializer_p.
89 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
90 (place_block_symbol): Assert that the symbol must be in a block.
91 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
92 (TARGET_INITIALIZER): Include it.
93 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
94 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
95 (SECTION_MACH_DEP): Bump by two.
96 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
97 (unnamed_section): Mention SECTION_UNNAMED in comment.
98 (named_section): Likewise SECTION_NAMED.
99 (noswitch_section_callback): New type.
100 (noswitch_section): New structure.
101 (section): Add a noswitch_section alternative.
102 (SECTION_STYLE): New macro.
103 (tls_comm_section, comm_section, lcomm_section): Declare.
104 (bss_noswitch_section, have_global_bss_p): Declare.
105 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
106 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
108 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
109 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
112 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
114 * gcc/tree-vrp.c (execute_vrp): Return value.
115 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
116 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
117 * gcc/tree-complex.c (tree_lower_complex): Ditto.
118 (tree_lower_complex_O0): Ditto.
119 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
120 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
121 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
122 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
123 (execute_tail_calls): Ditto.
124 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
125 * gcc/tree.h (init_function_for_compilation): Ditto.
126 * gcc/ipa-cp.c (ipcp_driver): Ditto.
127 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
128 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
129 * gcc/final.c (compute_alignments): Ditto.
130 (rest_of_handle_final): Ditto.
131 (rest_of_handle_shorten_branches): Ditto.
132 (rest_of_clean_state): Ditto.
133 * gcc/omp-low.c (execute_expand_omp): Ditto.
134 (execute_lower_omp): Ditto.
135 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
136 * gcc/ipa-reference.c (static_execute): Ditto.
137 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
138 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
139 (rest_of_handle_machine_reorg): Ditto.
140 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
141 * gcc/flow.c (recompute_reg_usage): Ditto.
142 (rest_of_handle_remove_death_notes): Ditto.
143 (rest_of_handle_life): Ditto.
144 (rest_of_handle_flow2): Ditto.
145 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
146 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
147 (do_ssa_store_ccp): Ditto.
148 (execute_fold_all_builtins): Ditto.
149 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
150 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
151 * gcc/ipa-pure-const.c (static_execute): Ditto.
152 * gcc/cse.c (rest_of_handle_cse): Ditto.
153 (rest_of_handle_cse2): Ditto.
154 * gcc/web.c (rest_of_handle_web): Ditto.
155 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
156 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
157 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
158 * gcc/tree-nrv.c (tree_nrv): Ditto.
159 (execute_return_slot_opt): Ditto.
160 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
161 (create_structure_vars): Ditto.
162 * gcc/loop-init.c (rtl_loop_init): Ditto.
163 (rtl_loop_done): Ditto.
164 (rtl_move_loop_invariants): Ditto.
165 (rtl_unswitch): Ditto.
166 (rtl_unroll_and_peel_loops): Ditto.
168 * gcc/gimple-low.c (lower_function_body): Ditto.
169 (mark_used_blocks): Ditto.
170 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
171 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
172 (cgraph_early_inlining): Ditto.
173 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
174 * gcc/jump.c (cleanup_barriers): Ditto.
175 (purge_line_number_notes): Ditto.
176 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
177 (rest_of_handle_if_after_reload): Ditto.
178 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
179 (tree_ssa_loop_im): Ditto.
180 (tree_ssa_loop_unswitch): Ditto.
181 (tree_vectorize): Ditto.
182 (tree_linear_transform): Ditto.
183 (tree_ssa_loop_ivcanon): Ditto.
184 (tree_ssa_empty_loop): Ditto.
185 (tree_ssa_loop_bounds): Ditto.
186 (tree_complete_unroll): Ditto.
187 (tree_ssa_loop_prefetch): Ditto.
188 (tree_ssa_loop_ivopts): Ditto.
189 (tree_ssa_loop_done): Ditto.
190 * gcc/predict.c (tree_estimate_probability): Ditto.
191 * gcc/recog.c (split_all_insns_noflow): Ditto.
192 (rest_of_handle_peephole2): Ditto.
193 (rest_of_handle_split_all_insns): Ditto.
194 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
195 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
196 (rest_of_handle_stack_adjustments): Ditto.
197 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
198 * gcc/function.c (instantiate_virtual_regs): Ditto.
199 (init_function_for_compilation): Ditto.
200 (rest_of_handle_check_leaf_regs): Ditto.
201 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
202 (rest_of_handle_gcse): Ditto.
203 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
204 * gcc/alias.c (rest_of_handle_cfg): Ditto.
205 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
206 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
207 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
208 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
209 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
210 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
211 * gcc/except.c (set_nothrow_function_flags): Ditto.
212 (convert_to_eh_region_ranges): Ditto.
213 (rest_of_handle_eh): Ditto.
214 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
215 (remove_unnecessary_notes): Ditto.
216 * gcc/except.h (set_nothrow_function_flags): Ditto.
217 (convert_to_eh_region_ranges): Ditto.
218 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
219 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
220 * gcc/tree-ssa-pre.c (do_pre): Ditto.
221 (execute_fre): Ditto.
222 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
223 (rest_of_handle_jump2): Ditto.
224 * gcc/tree-sra.c (tree_sra): Ditto.
225 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
226 (execute_mudflap_function_decls): Ditto.
227 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
228 (do_store_copy_prop): Ditto.
229 * gcc/ipa-prop.h (ipcp_driver): Ditto.
230 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
231 * gcc/tree-ssa-forwprop.c
232 (tree_ssa_forward_propagate_single_use_vars): Ditto.
233 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
234 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
235 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
236 (execute_late_warn_uninitialized): Ditto.
237 * gcc/rtl.h (cleanup_barriers): Ditto.
238 (split_all_insns_noflow): Ditto.
239 (purge_line_number_notes): Ditto.
240 (unshare_all_rtl): Ditto.
241 (remove_unnecessary_notes): Ditto.
242 (recompute_reg_usage): Ditto.
243 (variable_tracking_main): Ditto.
244 * gcc/integrate.c (emit_initial_value_sets): Ditto.
245 * gcc/integrate.h (emit_initial_value_sets): Ditto.
246 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
247 (execute_free_cfg_annotations): Ditto.
248 (execute_fixup_cfg): Ditto.
249 (execute_cleanup_cfg_pre_ipa): Ditto.
250 (execute_cleanup_cfg_post_optimizing): Ditto.
251 (execute_init_datastructures): Ditto.
252 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
253 * gcc/combine.c (rest_of_handle_combine): Ditto.
254 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
255 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
256 (rest_of_handle_reorder_blocks): Ditto.
257 (rest_of_handle_partition_blocks): Ditto.
258 * gcc/var-tracking.c (variable_tracking_main): Ditto.
259 * gcc/tree-profile.c (tree_profiling): Ditto.
260 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
261 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
262 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
263 (rest_of_handle_sched2): Ditto.
264 * gcc/basic-block.h (free_bb_insn): Ditto.
265 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
266 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
267 (remove_useless_stmts): Ditto.
268 (split_critical_edges): Ditto.
269 (execute_warn_function_return): Ditto.
270 (execute_warn_function_noreturn): Ditto.
271 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
272 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
273 * gcc/passes.c (execute_one_pass): Run additional
274 todos returned by execute function.
275 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
278 2006-03-02 Richard Guenther <rguenther@suse.de>
280 * tree-ssa-alias.c (find_used_portions): Consider taking
281 the address as making the variable not write-only.
283 2006-03-02 Nick Clifton <nickc@redhat.com>
285 * config.gcc (default_use_cxa_atexit): Extend the description of
286 this configure variable. Set its default value to "yes" for
287 Linux, NetBSD and ELF targets on the assumption that they will
288 use C libraries with the __cxa_atexit function.
290 2006-03-02 Ben Elliston <bje@au.ibm.com>
292 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
293 parameter as unused to suppress a build warning.
295 2006-03-02 Ben Elliston <bje@au.ibm.com>
297 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
300 2006-03-01 Roger Sayle <roger@eyesopen.com>
303 * gthr-posix.h (__gthrw2): Define to take three parameters, the
304 declared name, the weak reference name, and the typeof name.
305 (__gthrw): Avoid expanding the declared name suffix.
306 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
308 2006-03-01 Jakub Jelinek <jakub@redhat.com>
310 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
312 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
313 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
314 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
315 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
316 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
317 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
318 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
319 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
320 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
321 DW_DS_leading_separate, DW_DS_trailing_separate): New.
322 (DW_END_default, DW_END_big, DW_END_little): New.
323 (DW_END_lo_user, DW_END_hi_user): Define.
324 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
325 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
326 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
329 2006-03-01 Diego Novillo <dnovillo@redhat.com>
331 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
333 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
335 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
337 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
339 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
342 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
345 2006-03-01 Roger Sayle <roger@eyesopen.com>
347 * builtins.c (fold_builtin_copysign): Delete unreachable code.
349 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
352 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
353 MACHO_DYNAMIC_NO_PIC_P.
354 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
356 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
359 * config/darwin-protos.h (darwin_asm_output_anchor):
361 * config/darwin-sections.def (cstring_section):
362 Add SECTION_MERGE to the flags.
363 (literal4_section): Likewise.
364 (literal8_section): Likewise.
365 (objc_selector_refs_section): Likewise.
366 (objc_cls_refs_section): Likewise.
367 * config/darwin.c (darwin_asm_output_anchor): New
369 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
371 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
373 Fix PR tree-optimization/26443
374 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
375 to todo and PROP_tmt_usage to properties_destroyed.
376 * tree-ssa-ccp.c (pass_ccp): Ditto.
377 (pass_store_ccp): Ditto.
378 * tree-ssa-dom.c (pass_dominator): Ditto.
380 2006-03-01 Diego Novillo <dnovillo@redhat.com>
382 * tree-ssa-operands.c: Cleanup whitespace.
383 (get_asm_expr_operands): Move before first invocation.
384 (get_indirect_ref_operands): Likewise.
385 (get_tmr_operands): Likewise.
386 (get_call_expr_operands): Likewise.
387 (append_def): Likewise.
388 (append_use): Likewise.
389 (append_v_may_def): Likewise.
390 (append_v_must_def): Likewise.
391 (add_call_clobber_ops): Likewise.
392 (add_call_read_ops): Likewise.
393 (add_stmt_operand): Likewise.
394 (add_virtual_operand): Likewise.
395 (build_ssa_operands): Likewise.
397 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
402 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
403 with a call expr to ...
404 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
406 2006-03-01 Diego Novillo <dnovillo@redhat.com>
408 * tree-vrp.c (extract_range_from_assert): Remove special
409 handling for types with super-types.
411 2006-03-01 Ben Elliston <bje@au.ibm.com>
413 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
414 and powerpc64-*-linux* configurations.
415 * config/t-dfprules: New file.
417 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
418 Compile dfp-bit.c from the source directory using -DWIDTH and
419 $DFP_CFLAGS to control the compilation of that file, rather than
420 generating width-specific versions in the build directory.
421 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
422 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
424 2006-02-28 Zack Weinberg <zackw@panix.com>
426 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
429 2006-02-28 Eric Christopher <echristo@apple.com>
431 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
432 Set up IN_LIBGCC definition of TARGET_64BIT.
433 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
435 2006-02-28 Roger Sayle <roger@eyesopen.com>
438 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
439 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
440 cases via the construction of "expr != 0".
442 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
444 * alias.c (alias_invariant, alias_invariant_size): Remove.
445 (record_base_value): Remove.
446 (memrefs_conflict_p): Don't look at alias_invariant.
447 (end_alias_analysis): Don't free it.
448 * alias.h (record_base_value): Remove prototype.
450 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
451 Adam Nemet <anemet@caviumnetworks.com>
453 * rtl.h (truncated_to_mode): Declare it.
454 (struct rtl_hooks): Add reg_truncated_to_mode hook.
455 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
456 (RTL_HOOKS_INITIALIZER): Include it.
457 * rtlhooks.c (reg_truncated_to_mode_general): New function.
458 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
459 reg_truncated_to_mode.
460 * rtlanal.c (truncated_to_mode): Define it.
461 * simplify-rtx.c (simplify_unary_operation_1): Use it.
463 2006-02-28 Jeff Law <law@redhat.com>
465 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
466 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
467 the range allowed by TYPE_PRECISION.
469 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
471 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
473 PR tree-optimization/26419
474 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
477 2006-02-27 Zack Weinberg <zackw@panix.com>
479 * doc/md.texi: Fix typo in previous change.
481 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
485 2006-02-27 Zack Weinberg <zackw@panix.com>
487 * rtl.def (define_constraint, define_register_constraint)
488 (define_memory_constraint, define_address_constraint): New MD forms.
489 * gensupport.c (process_rtx): Put define_constraint etc on the
491 * genpreds.c (process_define_predicate): Adjust comment. Validate
492 the name, and call validate_exp to validate the expression.
493 (mark_mode_tests, write_extract_subexp): Can assume correct input.
494 (write_predicate_expr): Likewise. NAME argument no longer necessary;
496 (validate_exp, needs_variable, struct constraint_data)
497 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
498 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
499 (const_dbl_constraints, constraint_max_namelen)
500 (have_register_constraints, have_memory_constraints)
501 (have_address_constraints, have_address_constraints)
502 (have_extra_constraints, have_const_int_constraints)
503 (have_const_dbl_constraints, mangle, add_constraint)
504 (process_define_constraint, process_define_register_constraint)
505 (write_enum_constraint_num, write_lookup_constraint)
506 (write_insn_constraint_len, write_regclass_for_constraint)
507 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
508 (write_insn_extra_memory_constraint)
509 (write_insn_extra_address_constraint)
510 (write_satisfies_constraint_fns): New.
511 (write_tm_preds_h): If we have new-style constraint definitions,
512 prototype the functions generated from them, and define the
513 old constraint interface (still used by generic code) in terms of
515 (write_insn_preds_c): If we have new-style constraint definitions,
516 generate all relevant functions from those definitions.
517 (main): Handle define_constraint etc.
518 * genoutput.c (struct constraint_data, indep_constraints)
519 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
520 (mdep_constraint_len): New data structures and functions, defined
521 #ifdef USE_MD_CONSTRAINTS.
522 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
523 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
524 use new logic to validate operand constraints against constraint
526 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
528 * defaults.h: If none of the old-style constraint macros are
529 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
530 old-style macros; and poison REG_CLASS_FROM_LETTER,
531 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
533 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
534 * doc/md.texi: Document new constraint-definition mechanism and the
535 C interface it provides. Remove references to old mechanism
536 elsewhere in the document.
537 (Machine Constraints): Use pathnames relative to gcc directory,
538 i.e. config/ARCH/FILE. Change i386 section to refer to
539 config/i386/predicates.md; update that section to match docstrings.
540 * doc/tm.texi: Move all documentation of the old constraint-
541 definition macros to their own section, clearly mark as obsolete.
543 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
544 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
546 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
547 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
548 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
550 (splits and peepholes): Use satisfies_constraint_*.
551 * config/i386/i386.c (memory_address_length)
552 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
554 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
556 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
557 scalar operation to be put back into the loop.
559 2006-02-27 Jakub Jelinek <jakub@redhat.com>
562 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
563 (extract_cie_info): Handle S flag in augmentation string.
564 (execute_cfa_program): If context->signal_frame, execute also
565 fs->pc == context->ra instructions.
566 (uw_frame_state_for): If context->signal_frame, don't subtract one
567 from context->ra to find FDE.
568 (uw_update_context_1): Set context->signal_frame to
570 (_Unwind_GetIPInfo): New function.
571 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
572 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
574 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
575 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
576 * unwind-compat.c (_Unwind_GetIPInfo): New function.
577 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
578 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
579 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
580 * config/i386/linux-unwind.h (x86_fallback_frame_state,
581 x86_64_fallback_frame_state): Set fs->signal_frame.
582 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
583 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
584 (frob_update_context): Likewise. Workaround missing S flag in
585 Linux 2.6.12 - 2.6.16 kernel vDSOs.
586 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
587 Remove the psw_addr + 1 hack.
589 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
591 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
592 with aggregates here.
593 (find_func_aliases): Remove code for &<aggregate> from here.
595 2006-02-26 Roger Sayle <roger@eyesopen.com>
597 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
598 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
599 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
602 2006-02-26 Roger Sayle <roger@eyesopen.com>
605 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
607 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
609 * opts.c (decode_options): Do not handle flag_strength_reduce.
610 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
611 and OPT_fstrength_reduce.
612 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
613 flag_prefetch_loop_arrays for being nonzero.
614 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
616 (fprefetch-loop-arrays-rtl): Removed.
617 (flag_prefetch_loop_arrays): Do not specify the value.
619 * doc/passes.texi: Update documentation of loop optimizer
621 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
622 -frerun-loop-opt): Remove.
624 2006-02-26 Richard Guenther <rguenther@suse.de>
626 PR tree-optimization/26421
627 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
628 in function calls that are ADDR_EXPRs as using the whole structure.
630 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
632 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
633 * tree-pass.h (pass_loop_optimize): Remove.
634 * passes.c (pass_loop_optimize): Never run it.
635 * toplev.c (backend_init): Don't call init_loop.
636 * opts.c (flag_loop_optimize_set): Remove.
637 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
638 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
639 the old RTL loop optimizer when profiling enabled.
640 * predict.c (tree_estimate_probability): Always strip builtin_expect.
641 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
642 pre-headers for the sake of the old RTL loop optimizer.
643 * Makefile.in: Remove all references to loop.o.
645 * doc/invoke.texi: Remove all references to -floop-optimize
646 and -frerun-loop-opt.
648 2006-02-26 Zack Weinberg <zackw@panix.com>
650 * doc/md.texi (Machine Constraints): Refer to all files with paths
651 relative to gcc directory (i.e. config/CPU/file). Add missing
652 @table @code ... @end table to M32C subsection.
654 2006-02-26 Roger Sayle <roger@eyesopen.com>
656 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
658 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
660 2006-02-26 Roger Sayle <roger@eyesopen.com>
661 James A. Morrison <phython@gcc.gnu.org>
664 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
665 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
666 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
667 signedness of the shift operation.
669 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
671 PR tree-optimization/26359
672 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
674 2006-02-25 Roger Sayle <roger@eyesopen.com>
676 * simplify-rtx.c (simplify_relational_operation_1): Simplify
677 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
678 as X == 0, and some symmetry related transformations.
679 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
681 2006-02-25 Roger Sayle <roger@eyesopen.com>
684 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
685 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
686 symmetry related transformations. Fold (X^C1) == C2 as
689 2006-02-25 Juergen Weigert <jw@suse.de>
690 Richard Guenther <rguenther@suse.de>
692 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
694 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
696 * combine.c (gen_lowpart_or_truncate): Call
697 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
699 2006-02-24 Diego Novillo <dnovillo@redhat.com>
701 * doc/invoke.texi: Move -fopenmp description to "Options for
703 Remove reference to -lgomp.
705 2006-02-24 David Edelsohn <edelsohn@gnu.org>
707 * doc/install.texi: Require GNU tar version 1.14.
709 2006-02-24 Geoffrey Keating <geoffk@apple.com>
711 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
712 * doc/invoke.texi (C++ Dialect Options): Document
713 -fno-use-cxa-get-exception-ptr.
714 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
715 * configure: Regenerate.
716 * c.opt (fuse-cxa-get-exception-ptr): New.
717 * c-opts.c (c_common_handle_option): Handle
718 OPT_fuse_cxa_get_exception_ptr.
719 * c-common.c (flag_use_cxa_atexit): Update documentation.
720 (flag_use_cxa_get_exception_ptr): New.
721 * c-common.h (flag_use_cxa_get_exception_ptr): New.
722 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
724 (C_COMMON_OVERRIDE_OPTIONS): New.
726 2006-02-24 Roger Sayle <roger@eyesopen.com>
729 * combine.c (try_combine): Explicitly check whether GET_CODE is
730 a SET or a CLOBBER, instead on checking that it isn't a USE.
732 2006-02-24 Roger Sayle <roger@eyesopen.com>
734 * fold-const.c (fold_comparison): New subroutine of fold_binary
735 containing transformations common to both the equality and
736 ordering relational operators, factored out of fold_binary.
737 (fold_binary): Separate out the equality operators (EQ_EXPR
738 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
739 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
740 transformations common to both.
741 (fold_div_compare): Fix latent bugs in the previously unreachable
742 LT_EXPR and GE_EXPR cases.
744 2006-02-24 David Edelsohn <edelsohn@gnu.org>
746 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
747 decl libname for clog to __clog on AIX.
749 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
751 2006-02-24 Alan Modra <amodra@bigpond.net.au>
754 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
755 output traceback table for thunks. Localise rs6000_stack_info call.
757 2006-02-23 Roger Sayle <roger@eyesopen.com>
758 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
760 * gthr-posix.h (__gthrw): Fix typo in comment.
762 2006-02-23 Geoffrey Keating <geoffk@apple.com>
764 * doc/cpp.texi (Character sets): Document that we do support
765 input files to be in any character set.
767 2006-02-23 Jeff Law <law@redhat.com>
769 * tree.h (PHI_ARG_NONZERO): Remove.
770 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
771 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
772 node to the new node.
774 PR tree-optimization/26425
775 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
776 min/max, then assume its varying.
778 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
780 PR rtl-optimization/26316
781 * rtlanal.c (enum may_trap_p_flags): New.
782 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
783 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
784 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
785 (may_trap_after_code_motion_p): New function.
786 * loop-invariant.c (find_identical_invariants): Fix dump formating.
787 (find_invariant_insn): Use may_trap_after_code_motion_p.
788 * rtl.h (may_trap_after_code_motion_p): Declare.
790 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
792 * emit-rtl.c (immed_double_const): Cleanup.
794 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
796 Fix PR tree-optimization/26376
797 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
800 2006-02-23 Jakub Jelinek <jakub@redhat.com>
803 * gimplify.c (omp_add_variable): Guard variable size decl test with
804 DECL_SIZE (decl) check.
806 2006-02-23 Richard Guenther <rguenther@suse.de>
809 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
810 like aggregate types.
812 2006-02-23 Jakub Jelinek <jakub@redhat.com>
814 * configure.ac: Add --with{,out}-long-double-128 configure option.
815 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
816 * configure: Rebuilt.
817 * config.in: Rebuilt.
818 * doc/install.texi (Options specification): Document
819 --with-long-double-128.
821 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
822 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
823 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
824 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
826 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
828 * config/s390/s390.c (override_options): Handle
829 TARGET_DEFAULT_LONG_DOUBLE_128.
831 * config/alpha/alpha.c (override_options): Handle
832 TARGET_DEFAULT_LONG_DOUBLE_128.
834 * config/sparc/sparc.c (sparc_override_options): Handle
835 TARGET_DEFAULT_LONG_DOUBLE_128.
837 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
839 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
840 (real-install-headers-tar, real-install-headers-cpio)
841 (real-install-headers-cp): New targets.
843 2006-02-22 Richard Sandiford <richard@codesourcery.com>
845 * tree.h (variable_section): Delete.
846 * varasm.c (variable_section): Delete.
848 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
850 * install.texi: Add notes on install.texi2html.
851 (Building in parallel): Do not use footnotes.
853 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
856 * doc/install.texi (Configuration): Document --disable-libgomp.
858 2006-02-21 Geoffrey Keating <geoffk@apple.com>
860 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
862 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
864 * config/i386/sse.md (vec_extractv2df_1_sse): New.
865 (vec_extractv2df_0_sse): New.
867 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
869 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
870 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
871 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
872 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
873 to the result of the expression.
875 (frame_pointer_cfa_offset): Rename to...
876 (frame_pointer_fb_offset): ... this. Adjust all uses.
877 (convert_cfa_to_loc_list): Rename to...
878 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
879 Pass it on to build_cfa_loc.
880 (compute_frame_pointer_to_cfa_displacement): Rename to...
881 (compute_frame_pointer_to_fb_displacement): ... this. New
882 offset parameter. Use it in computation.
883 (gen_subprogram_die): Compute cfa_fb_offset with the new
884 macro, and use it to compute the fb loc list and the
887 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
889 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
890 replaced with register_operand.
891 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
892 non-DREG is expensive.
893 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
894 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
897 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
899 * doc/install.texi2html: Use set -e.
901 2006-02-21 Richard Sandiford <richard@codesourcery.com>
903 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
904 (ASM_OUTPUT_SHARED_LOCAL): Delete.
905 * doc/invoke.texi (-fshared-data): Delete.
906 * common.opt (fshared-data): Delete.
907 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
908 (assemble_static_space): Remove #if 0 code.
909 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
910 (ASM_OUTPUT_SHARED_LOCAL): Poison.
911 * config/cris/cris.h: Remove FIXME.
913 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
915 * doc/sourcebuild.texi (Front End Directory): No more double-colon
918 2006-02-21 Jakub Jelinek <jakub@redhat.com>
921 * combine.c (simplify_shift_const_1): Disable nested shifts
922 optimization for vector shifts.
924 2006-02-20 Roger Sayle <roger@eyesopen.com>
926 PR tree-optimization/26361
927 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
928 of unsigned integer types.
930 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
932 * tree-chrec.c (eq_evolutions_p): New.
933 * tree-chrec.h (eq_evolutions_p): Declared.
934 * tree-data-ref.c: Fix formatting.
935 (datadep_stats, dependence_stats): New.
937 (print_direction_vector): New.
938 (dump_data_dependence_relation): Use print_direction_vector.
939 (object_analysis, create_data_ref): Handle COMPONENT_REF.
940 (compute_subscript_distance): Static.
941 (initialize_data_dependence_relation): Static. Get the number
942 of loops surrounding the references from the callers, and initialize
943 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
944 base_object_differ_p analyzers.
945 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
946 compute_overlap_steps_for_affine_1_2,
947 analyze_subscript_affine_affine): Count the classified dependences.
948 Print a message when a test failed.
949 (can_use_analyze_subscript_affine_affine): New.
950 (analyze_siv_subscript): Compute the data dependences on symbolic
951 scevs that verify can_use_analyze_subscript_affine_affine.
952 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
953 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
954 Handle symbolic scevs.
955 (analyze_overlapping_iterations): Let symbolic affine scevs to be
957 (subscript_dependence_tester): Moved...
958 (build_classic_dist_vector, build_classic_dir_vector): Don't use
959 lambda_vector_clear on newly allocated vectors. Get nb_loops from
960 DDR_SIZE_VECT instead of getting it in parameter.
961 (subscript_dependence_tester): ... here. Take as a parameter
962 loop_nest_depth. Call build_classic_dist_vector and
963 build_classic_dir_vector.
964 (compute_affine_dependence): Update subscript_dependence_tester
965 parameters. Update datadep_stats counters. Call
966 compute_subscript_distance.
967 (compute_self_dependence): Save the dist and dir vectors. Call
968 compute_subscript_distance.
969 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
970 (compute_all_dependences): Reorder parameters as they were before
971 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
972 compute_subscript_distance. Update the use of
973 compute_affine_dependence and initialize_data_dependence_relation.
974 (find_data_references_in_loop): Handle COMPONENT_REF.
975 (compute_data_dependences_for_loop): Initialize dependence_stats.
976 Don't call build_classic_dist_vector and build_classic_dir_vector.
977 Update the parameters of initialize_data_dependence_relation and
978 compute_all_dependences. Print the statistics from datadep_stats.
979 (analyze_all_data_dependences): Static. Not used until the pass for
980 checking the data dependences is contributed.
981 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
982 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
983 (initialize_data_dependence_relation, compute_affine_dependence,
984 analyze_all_data_dependences, compute_subscript_distance): Removed.
985 (print_direction_vector): New.
986 * lambda.h (gcd): ... here.
987 (lambda_vector_gcd): Moved here from gcd_vector.
988 * lambda-code.c (gcd, gcd_vector): Removed.
989 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
990 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
992 2006-02-20 Diego Novillo <dnovillo@redhat.com>
994 * ipa-type-escape.c: Tidy some comments and white space.
995 * tree-ssa-operands.c: Likewise.
997 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
1000 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
1001 (dump_decl_name): Do not walk the decl tree chains.
1002 * tree-pass.h (TDF_CHAIN): Remove.
1004 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1006 * Makefile.in (C): Remove
1008 (.PHONY): Remove C and PROTO
1010 2006-02-20 Roger Sayle <roger@eyesopen.com>
1013 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
1014 deprecated CHAR_TYPE tree code.
1016 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1018 * configure.ac (target_list): Add install-info, dvi, html.
1019 * configure: Regenerate.
1021 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
1022 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
1023 treelang/Make-lang.in: Do not use double-colon rules.
1025 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
1027 * tree.h (struct tree_memory_tag): Add is_used_alone member.
1028 (TMT_USED_ALONE): New macro.
1029 * tree-pass.h (PROP_tmt_usage): New property.
1030 (TODO_update_tmt_usage): New todo.
1031 * tree-ssa-alias.c (updating_used_alone): New variable.
1032 (recalculate_used_alone): New function.
1033 (compute_may_aliases): Set updating_used_alone, call
1034 recalculate_used_alone.
1035 * tree-sra.c (pass_sra): Note that this pass destroys
1036 PROP_tmt_usage, and add TODO_update_tmt_usage.
1037 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1038 * tree-flow.h (updating_used_alone): Prototype.
1039 (recalculate_used_alone): Ditto.
1040 * passes.c (execute_todo): Add code to set updating_used_alone,
1041 and call recalculate.
1042 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
1043 for clobber if used alone, and add assert to verify used_alone
1046 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
1048 * config/s390/s390.c (legitimize_pic_address): Assertions checking
1049 for non tls symbols added.
1050 (legitimize_address): Do nothing for PLUS expressions if one of the
1051 addends is a tls symbol reference.
1053 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1057 * Makefile.in (LDFLAGS): Define from autoconf substitution.
1059 * Makefile.in (BOOTSTRAPPING): New.
1060 (quickstrap): New definition if BOOTSTRAPPING=yes.
1062 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
1063 * configure.ac: Substitute all_selected_languages with the languages
1064 that were configured. For all the other variables except
1065 lang_specs_files, include all the languages in the tree.
1066 * configure: Regenerate.
1068 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
1069 if there is one. Run the commands to run fixincludes in the same
1072 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
1073 * doc/install.texi: Document exact conventions for searching target tools.
1074 Document --with-build-time-tools. Document toplevel bootstrap. Document
1075 something more about building an Ada cross-compiler. Don't list GNU Make
1076 requirements which affect all platforms.
1078 2006-02-19 Roger Sayle <roger@eyesopen.com>
1081 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
1082 only equivalent if the have both the same mode and precision.
1084 2006-02-20 Ben Elliston <bje@au.ibm.com>
1086 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
1088 2006-02-19 Roger Sayle <roger@eyesopen.com>
1089 Steven Bosscher <stevenb.gcc@gmail.com>
1091 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
1092 constant pool references to identify stack mode constants.
1093 * rtlanal.c (constant_pool_constant_p): New predicate to check
1094 whether operand is a floating point constant in the pool.
1095 * rtl.h (constant_pool_constant_p): Prototype here.
1096 * loop.c (scan_loop): Avoid hoisting constants from the constant
1097 pool on STACK_REGS targets.
1098 (load_mems): Likewise.
1099 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
1100 loads into x87 registers expensive in terms of register pressure.
1102 2006-02-19 Roger Sayle <roger@eyesopen.com>
1104 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
1105 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
1107 2006-02-19 David Edelsohn <edelsohn@gnu.org>
1109 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
1110 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
1112 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
1114 * doc/invoke.texi: Document -fipa-pta.
1115 * common.opt: Add ipa-pta option.
1116 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
1117 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
1118 (do_ds_constraint): Ditto.
1119 (get_constraint_for): Only add to referenced_vars if
1120 referenced_vars exists.
1121 (insert_into_field_list): Rewrite to do this unsorted.
1122 (insert_into_field_list_sorted): Rename old insert_into_field_list
1124 (create_function_info_for): Use insert_into_field_list_sorted.
1125 (create_variable_info_for): Rewrite so it uses unsorted version,
1126 since the field list is sorted.
1127 (intra_create_variable_infos): Only add to referenced_vars if
1128 referenced_vars exists.
1129 (ipa_pta_execute): Init heapvars, and delete when done.
1130 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
1132 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1134 * doc/install.texi: Add missing `@samp'.
1136 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1138 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
1141 2006-02-18 Mark Wielaard <mark@klomp.org>
1143 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
1144 who added new 4.1 features, bug fixes and integration support.
1146 2006-02-18 David Edelsohn <edelsohn@gnu.org>
1149 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
1152 2006-02-18 Richard Sandiford <richard@codesourcery.com>
1154 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
1155 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
1156 (copy_insn_1): Likewise. Don't copy each field individually.
1158 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
1160 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
1161 * rtl.c (rtx_size): Rename variable to...
1162 (rtx_code_size): ...this.
1163 (rtx_size): New function.
1164 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
1165 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
1167 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
1168 * rtl.h (rtx_code_size): New variable.
1169 (rtx_size): Change from a variable to a function.
1170 (RTX_SIZE): Rename to...
1171 (RTX_CODE_SIZE): ...this.
1174 PR tree-optimization/17106
1175 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
1176 (Anchored Addresses): New section.
1177 * doc/invoke.texi (-fsection-anchors): Document.
1178 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
1179 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
1180 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
1181 * hooks.c (hook_bool_mode_rtx_false): New function.
1182 * hooks.h (hook_bool_mode_rtx_false): Declare.
1183 * gengtype.c (create_optional_field): New function.
1184 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
1185 SYMBOL_REF_IN_BLOCK_P is true.
1186 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
1187 (min_anchor_offset, max_anchor_offset): Likewise.
1188 (use_anchors_for_symbol_p): New hook.
1189 * toplev.c (compile_file): Call output_object_blocks.
1190 (target_supports_section_anchors_p): New function.
1191 (process_options): Check that -fsection-anchors is only used on
1192 targets that support it and when -funit-at-a-time is in effect.
1193 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
1194 if the decl doesn't have one.
1195 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
1196 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
1197 of force_const_mem through use_anchored_address.
1198 (expand_expr_constant): New function.
1199 (expand_expr_addr_expr_1): Call it. Use the same modifier when
1200 calling expand_expr for INDIRECT_REF.
1201 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
1202 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
1203 * expr.h (use_anchored_address): Declare.
1204 * loop-unroll.c: Don't declare rtx vectors here.
1205 * explow.c: Include output.h.
1206 (validize_mem): Call use_anchored_address.
1207 (use_anchored_address): New function.
1208 * common.opt (-fsection-anchors): New switch.
1209 * varasm.c (object_block_htab, anchor_labelno): New variables.
1210 (hash_section, object_block_entry_eq, object_block_entry_hash)
1211 (use_object_blocks_p, get_block_for_section, create_block_symbol)
1212 (use_blocks_for_decl_p, change_symbol_section): New functions.
1213 (get_variable_section): New function, split out from assemble_variable.
1214 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
1215 use_blocks_for_decl_p say so. Use change_symbol_section if the
1216 symbol has already been created.
1217 (assemble_variable_contents): New function, split out from...
1218 (assemble_variable): ...here. Don't output any code for
1219 block symbols; just pass them to place_block_symbol.
1220 Use get_variable_section and assemble_variable_contents.
1221 (get_constant_alignment, get_constant_section, get_constant_size): New
1222 functions, split from output_constant_def_contents.
1223 (build_constant_desc): Create a block symbol if use_object_blocks_p
1224 says so. Or into SYMBOL_REF_FLAGS.
1225 (assemble_constant_contents): New function, split from...
1226 (output_constant_def_contents): ...here. Don't output any code
1227 for block symbols; just pass them to place_section_symbol.
1228 Use get_constant_section and get_constant_alignment.
1229 (force_const_mem): Create a block symbol if use_object_blocks_p and
1230 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
1231 (output_constant_pool_1): Add an explicit alignment argument.
1232 Don't switch sections here.
1233 (output_constant_pool): Adjust call to output_constant_pool_1.
1234 Switch sections here instead. Don't output anything for block symbols;
1235 just pass them to place_block_symbol.
1236 (init_varasm_once): Initialize object_block_htab.
1237 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
1238 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
1239 (place_block_symbol, get_section_anchor, output_object_block)
1240 (output_object_block_htab, output_object_blocks): New functions.
1241 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
1242 (TARGET_ASM_OUT): Include it.
1243 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
1244 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
1245 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
1246 (TARGET_INITIALIZER): Include them.
1247 * rtl.c (rtl_check_failed_block_symbol): New function.
1248 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
1249 (block_symbol, object_block): New structures.
1250 (rtx_def): Add a block_symbol field to the union.
1251 (BLOCK_SYMBOL_CHECK): New macro.
1252 (rtl_check_failed_block_symbol): Declare.
1253 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
1254 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
1255 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
1256 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
1257 * output.h (output_section_symbols): Declare.
1258 (object_block): Name structure.
1259 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
1260 (default_use_anchors_for_symbol_p): Declare.
1261 * Makefile.in (RTL_BASE_H): Add vec.h.
1262 (explow.o): Depend on output.h.
1263 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
1264 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1265 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1266 (rs6000_use_blocks_for_constant_p): New function.
1268 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1270 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
1272 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1275 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
1278 2006-02-18 Diego Novillo <dnovillo@redhat.com>
1280 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
1284 2006-02-18 Jakub Jelinek <jakub@redhat.com>
1287 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
1288 instead of DECL_REGISTER.
1290 2006-02-18 Olivier Hainque <hainque@adacore.com>
1293 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
1295 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
1298 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
1299 * opth-gen.awk: Handle Var and InverseMask together.
1300 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
1301 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
1302 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
1303 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
1305 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1306 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1307 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
1308 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1309 LINUX_DYNAMIC_LINKER): Define.
1310 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
1311 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
1313 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1314 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
1315 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1316 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1317 (TARGET_C99_FUNCTIONS): Don't define.
1318 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
1319 GLIBC_DYNAMIC_LINKER.
1320 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
1321 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
1322 GLIBC_DYNAMIC_LINKER64): Define.
1323 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1324 LINUX_DYNAMIC_LINKER64.
1325 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1326 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1327 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
1328 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1329 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1330 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1331 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
1332 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
1333 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
1334 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
1335 and LINUX_DYNAMIC_LINKER32.
1336 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1337 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1338 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
1339 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1340 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
1342 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
1343 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
1344 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1345 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1346 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1347 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
1348 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
1349 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
1350 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1351 LINUX_DYNAMIC_LINKER): Define.
1352 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
1353 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
1354 GLIBC_DYNAMIC_LINKER64): Define.
1355 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1356 LINUX_DYNAMIC_LINKER64.
1357 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1358 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1359 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
1360 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1361 LINUX_DYNAMIC_LINKER): Define.
1362 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1363 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1364 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
1365 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
1366 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
1367 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1368 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
1369 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
1370 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1371 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1372 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1373 * doc/invoke.texi (-muclibc): Remove caveat about supported
1376 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1378 * doc/cpp.texi (__TIMESTAMP__): Document.
1380 2006-02-17 Roger Sayle <roger@eyesopen.com>
1383 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
1384 C is one less than the width of X (and related transformations).
1385 * simplify-rtx.c (simplify_unary_operation_1): Transform
1386 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
1387 depending on STORE_FLAG_VALUE, were C is one less then the
1390 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
1392 Fix PR tree-optimization/26341
1393 * tree-ssa-operands.c (add_virtual_operand): Remove assert
1394 about NAME_MEMORY_TAG's.
1396 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1399 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
1400 with hardware float support, and software float support. Add fcpy
1401 alternative to hardware patterns. Add alternatives to copy between
1402 general and floating-point registers to the 32-bit pattern.
1403 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
1404 secondary reload to load a QI or HI mode constant into a floating
1406 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
1407 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
1409 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
1412 * config/rs6000/darwin.md (load_macho_picbase_si): Add
1414 (load_macho_picbase_di): Likewise.
1416 2006-02-16 Jeff Law <law@redhat.com>
1418 * tree-vrp.c (set_value_range_to_nonnegative): New function.
1419 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
1420 (ssa_name_nonzero_p): Likewise.
1421 (get_value_range): Return NULL if VRP is not running.
1422 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
1423 VRP routines do not discover a range.
1424 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
1425 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
1426 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
1427 (tree_expr_nonnegative_p): Similarly.
1428 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
1429 (restore_nonzero_vars_to_original_value): Remove.
1430 (unsafe_associative_fp_binop): Remove.
1431 (tree_ssa_dominator_optimize): Remove initialization and
1432 finalization of nonzero_vars and nonzero_vars_stack.
1433 (dom_opt_initialize_block): No longer push marker on
1435 (dom_opt_finalize_block): No longer call
1436 restore_nonzero_vars_to_original_value.
1437 (record_equivalences_from_phis): No longer look for
1438 nonzero PHI arguments.
1439 (cprop_into_successor_phis): No longer propagate nonzero
1440 property into PHI arguments. Lose unused argument. Caller
1442 (record_equivalences_from_stmt): No longer record nonzero
1443 values for SSA_NAMEs.
1444 (lookup_avail_expr): No longer use nonzero_vars.
1446 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
1447 for sizetype when sizetype is unsigned.
1449 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
1451 PR rtl-optimization/25603
1452 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
1453 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
1454 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
1455 with new meaning of SETS.
1457 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
1462 * config/linux.opt: New file.
1463 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
1464 LINUX_DYNAMIC_LINKER): Define.
1465 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
1466 * config.gcc (*-*-linux*): Define extra_options.
1467 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
1468 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
1469 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
1470 GLIBC_DYNAMIC_LINKER.
1471 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
1472 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1473 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1474 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1475 * doc/invoke.texi (GNU/Linux Options): New section.
1477 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1479 * config/sparc/sparc.md (setjmp): Rewrite.
1480 (setjmp_32): Delete.
1481 (setjmp_64): Likewise.
1483 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
1485 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
1488 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1490 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
1493 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1495 PR rtl-optimization/26296
1496 * Makefile.in (loop-invariant.c): Add except.h dependency.
1497 * loop-invariant.c: Include except.h.
1498 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
1500 2005-02-16 Paul Brook <paul@codesourcery.com>
1502 * reload1.c (emit_reload_insns): Invalidate dead input registers used
1505 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
1507 PR rtl-optimization/25636
1508 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
1509 when deciding whether an insn is an initializing insn.
1511 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
1513 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
1514 (tree_code_size): Ditto.
1515 * tree.h (struct tree_memory_tag): Remove parent_var.
1516 (struct tree_struct_field_tag): New.
1519 (union tree_node): Add sft member.
1520 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
1522 (create_sft): Add size and offset argument, set SFT_OFFSET and
1524 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
1525 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
1526 * tree-flow-inline.h (get_subvar_at): Update for
1527 SFT_OFFSET/SFT_SIZE.
1528 (var_can_have_subvars): Ditto.
1529 (overlap_subvar): Ditto.
1530 * print-tree.c (print_node): Print out interesting things for
1532 * tree-flow.h (struct subvar): Remove offset and size members.
1533 * tree-ssa-operands.c (get_expr_operands): Update for
1534 get_indirect_ref_operands changes.
1535 (get_indirect_ref_operands): Call add_virtual_operand instead of
1536 add_stmt_operand. Only recurse on base var if requested.
1537 (access_can_touch_variable): New function.
1538 (add_stmt_operand): Split virtual operand handling into ...
1539 (add_virtual_operand): Here. Add offset, size, and for_clobber
1540 arguments. Prune alias sets.
1541 (add_call_clobber_ops): Call add_virtual_operand.
1543 2006-02-15 Jakub Jelinek <jakub@redhat.com>
1546 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
1548 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
1549 than TREE_CODE as index into omp_clause_num_ops array.
1551 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
1553 PR rtl-optimization/26184
1554 * modulo-sched.c (generate_reg_moves): Free bitmap vector
1556 * modulo-sched.c (sms_schedule): Free g_arr pointer.
1557 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
1558 must_precede, must_follow and tobe_scheduled.
1561 * opts.c (common_handle_option): Free new_option pointer.
1562 * df-core.c (df_analyze): Free postorder pointer.
1564 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1566 * Makefile.in: Fix the examples about the use of stamps
1568 2006-02-15 Michael Matz <matz@suse.de>
1572 * stor-layout.c (layout_decl): Zero-width bitfields aren't
1573 influenced by maximum_field_alignment or DECL_PACKED.
1574 (update_alignment_for_field): Ditto.
1575 (place_field): Ditto.
1576 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
1579 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
1581 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
1582 (debug_flow_info): Pass it.
1583 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
1584 * bb-reorder.c (reorder_basic_blocks): Likewise.
1585 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
1586 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
1587 * flow.c (life_analysis, recompute_reg_usage): Likewise.
1588 * gcse.c (gcse_main, bypass_jumps): Likewise.
1589 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
1590 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
1591 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
1592 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
1593 * rtl.h (dump_flow_info): Adjust prototype.
1594 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
1595 * var-tracking.c (variable_tracking_main): Likewise.
1596 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
1597 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
1600 2006-02-15 Marcin Dalecki <martin@dalecki.de>
1602 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
1605 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
1607 PR tree-optimization/26209
1608 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
1609 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
1611 * tree-cfg.c (replace_uses_by): Do not alter cfg.
1613 2006-02-14 Roger Sayle <roger@eyesopen.com>
1616 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
1617 (X,Y) and the corresponding symmetry related transformations.
1618 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
1619 (X,Y) and its symmetry related transformations.
1621 2006-02-14 Roger Sayle <roger@eyesopen.com>
1623 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
1626 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
1628 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
1630 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1633 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
1634 support COMDAT group.
1635 * configure: Regenerate.
1637 2006-02-14 Roger Sayle <roger@eyesopen.com>
1642 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
1644 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
1646 Fix PR tree-optimization/26260
1648 * doc/invoke.texi (max-fields-for-field-sensitive): Document
1650 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
1651 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
1652 * tree-ssa-structalias.c (create_variable_info_for): Use
1653 MAX_FIELDS_FOR_FIELD_SENSITIVE.
1655 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
1657 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
1659 * tree-ssa-loop-niter.c (number_of_iterations_ne,
1660 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
1661 of the ending condition.
1662 * tree-ssa-loop-manip.c: Include params.h.
1663 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
1664 tree_unroll_loop): New functions.
1665 * tree-pass.h (pass_loop_prefetch): Declare.
1666 * loop.c (rest_of_handle_loop_optimize): Test for
1667 -fprefetch-loop-arrays-rtl.
1668 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
1669 * timevar.def (TV_TREE_PREFETCH): New timevar.
1670 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
1671 pass_loop_prefetch): New.
1672 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
1673 (cleanup_tree_cfg_loop): Call scev_reset.
1674 * common.opt (fprefetch-loop-arrays-rtl): Add.
1675 * tree-ssa-loop-prefetch.c: New file.
1676 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
1677 (new_temp_expr_table): Initialize expr_vars.
1678 (free_temp_expr_table): Cleanup expr_vars.
1679 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
1680 expressions from being merged into one.
1681 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
1682 (struct tree_niter_desc): Add control, bound and cmp fields.
1683 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
1685 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
1686 (tree-cfgcleanup.o): Add SCEV_H dependency.
1687 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
1688 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
1690 2006-02-14 Richard Guenther <rguenther@suse.de>
1692 PR tree-optimization/26258
1693 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
1694 in PHI argument processing.
1696 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
1698 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
1699 new expression in the requested machine mode.
1701 2006-02-13 Roger Sayle <roger@eyesopen.com>
1703 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
1704 directly, instead let do_compare_rtx_and_jump handle this for us.
1705 * expr.c (expand_expr_real_1): Likewise.
1706 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
1707 before do_jump_by_parts_greater.
1708 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
1709 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
1711 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1713 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
1715 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
1717 PR rtl-optimization/26235
1718 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
1719 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
1722 2006-02-13 Jeff Law <law@redhat.com>
1724 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
1727 2006-02-13 Jakub Jelinek <jakub@redhat.com>
1730 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
1731 twice if decl is a builtin. When trying again, call get_callee_fndecl
1732 first to verify it is still a builtin.
1734 2006-02-13 Geoffrey Keating <geoffk@apple.com>
1736 * dwarf2out.c (base_type_die): Don't add AT_name here.
1737 (subrange_type_die): Don't add AT_name here.
1738 (modified_type_die): Rearrange code flow. Do add AT_name here.
1740 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
1742 PR rtl-optimization/26247
1743 PR rtl-optimization/26248
1744 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
1746 2006-02-13 Richard Sandiford <richard@codesourcery.com>
1748 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
1749 * config/fixtfdi.c: Likewise.
1750 * config/fixunstfdi.c: Likewise.
1751 * config/floatditf.c: Likewise.
1753 2006-02-13 Roger Sayle <roger@eyesopen.com>
1756 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
1757 into (X,C2) if C1 is a subset of the bits of C2. Transform
1758 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
1760 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
1762 2006-02-13 Josh Conner <jconner@apple.com>
1765 * varasm.c (function_section): Check for section name before
1766 calling select_section on targets that define
1767 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
1768 unlikely_text_section instead of hot_function_section if
1769 first_function_block_is_cold.
1771 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
1774 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
1776 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1778 PR rtl-optimization/26222
1779 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
1780 after tree->rtl expansion.
1781 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
1782 before passing it to emit_move_insn.
1784 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
1786 * doc/invoke.texi (-Write-strings): Document that it is enabled by
1788 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
1789 Clarify documentation.
1790 * c-common.h (warn_write_strings): Remove.
1791 * c-common.c (warn_write_strings): Likewise.
1792 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
1795 2006-02-12 Roger Sayle <roger@eyesopen.com>
1798 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
1799 (do_jump_parts_zero_rtx): New function renamed from
1800 do_jump_parts_equality_rtx. Made static. Add a mode argument.
1801 (do_jump_parts_equality_rtx): New function split out from
1802 do_jump_parts_equality. Old implementation renamed as above.
1803 Call do_jump_parts_zero_rtx if either operand is zero.
1804 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
1805 do all of the heavy lifting.
1806 (do_compare_rtx_and_jump): Handle multi-word comparisons by
1807 calling either do_jump_by_parts_greater_rtx or
1808 do_jump_by_parts_equality_rtx.
1809 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
1810 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
1811 moved to do_compare_rtx_and_jump, call it directly.
1812 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
1813 mode argument. Call do_compare_rtx_and_jump.
1814 (emit_case_nodes): Update calls to do_jump_if_equal.
1816 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1818 PR rtl-optimization/26225
1819 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
1821 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1823 PR rtl-optimization/26232
1824 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
1826 2006-02-11 Jason Merrill <jason@redhat.com>
1829 * tree-inline.c (declare_return_variable): Just don't use the
1830 modify target if it's a gimple complex reg and the return slot
1833 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1835 * doc/contrib.texi: Update my entry.
1837 2006-02-10 Geoffrey Keating <geoffk@apple.com>
1839 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
1841 2006-02-10 Diego Novillo <dnovillo@redhat.com>
1843 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
1846 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
1848 * doc/invoke.texi (-floop-optimize2): Removed.
1849 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
1850 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
1851 Test flag_branch_on_count_reg only if HAVE_doloop_end.
1852 * common.opt (floop-optimize2): Removed.
1853 (fmove-loop-invariants): Enabled by default.
1855 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
1857 * tree-if-conv.c (combine_blocks): Free the result of
1858 get_loop_exit_edges.
1860 2006-02-10 Jeff Law <law@redhat.com>
1862 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
1864 PR tree-optimization/26213
1865 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
1866 loop trying to follow SSA_NAME_VALUE chains.
1868 2006-02-10 Richard Guenther <rguenther@suse.de>
1870 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
1871 deal with structures that end in implicitly variable sized arrays.
1873 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1875 PR rtl-optimization/24762
1876 * df-scan.c (df_bb_refs_record): Record correct registers defined on
1879 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1881 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
1882 (struct ivopts_data): Add regs_used field.
1883 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
1884 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
1885 instead of loop_data->regs_used;
1886 (free_loop_data): Do not free aux fields for loops.
1887 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
1888 and tree_ssa_iv_optimize_finalize.
1890 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
1892 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
1894 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
1897 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
1898 computing the effective result type.
1900 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
1903 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
1904 (tree_overlaps_hard_reg_set): Declare.
1905 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
1906 type and signature to match function type expected by walk_tree.
1907 (tree_overlaps_hard_reg_set): New function.
1908 (decl_conflicts_with_clobbers_p): Rename to:
1909 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
1910 Use tree_overlaps_hard_reg_set. Changed caller.
1911 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
1912 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
1913 * cris.c (cris_md_asm_clobbers): Likewise.
1915 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
1917 * reload1.c (emit_input_reload_insns): Delete code that tries to
1918 inherit using find_equiv_reg.
1920 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
1922 * c-common.h (flag_const_strings): Don't declare.
1923 * c-common.c (flag_const_strings): Remove.
1924 * c.opt (fconst_strings): Remove.
1925 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
1926 <OPT_Wwrite_strings>: Don't set flag_const_strings.
1927 (c_common_init_options): Don't set flag_const_strings.
1928 * doc/invoke.texi (-fno-const-strings): Remove documentation.
1930 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
1932 * arm.md (tlobits_cbranch): New pattern.
1933 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
1934 testing a single bit.
1936 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1939 * tree-ssa-pre.c (create_component_ref_by_pieces):
1940 Handle RETURN_DECL like VAR_DECL.
1942 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1945 * fold-const.c (fold_indirect_ref_1): Fold
1946 "*(foo *)&complexfoo" to "__real__ complexfoo"
1947 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
1949 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1951 * tree-flow-inline.h (var_can_have_subvars):
1952 Volatile variables should not have subvariables.
1954 2006-02-09 Diego Novillo <dnovillo@redhat.com>
1957 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
1958 multiplying unsigned values.
1961 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
1963 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
1965 2006-02-08 Jason Merrill <jason@redhat.com>
1968 * tree.def: Elaborate on difference from MODIFY_EXPR.
1969 * doc/c-tree.texi (INIT_EXPR): Likewise.
1970 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
1971 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
1972 (gimplify_target_expr): Likewise.
1973 (gimplify_cond_expr): Remove target handling.
1974 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
1975 (gimplify_expr): Clobber it here.
1976 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
1977 Do return slot optimization if we have an INIT_EXPR.
1980 * tree-inline.c (declare_return_variable): Also clear
1981 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
1984 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
1987 * gimplify.c (gimplify_one_sizepos): Fix typo.
1989 2006-02-08 Jeff Law <law@redhat.com>
1991 PR tree-optimization/21417
1992 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
1993 across a backedge if the control statement at the end of the
1994 block is data dependent on other statements in the same block.
1995 (record_temporary_equivalences_from_stmts): Remove over-conservative
1996 test for threading across backedges.
1998 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
1999 control statement, handle all three special cases in the same
2000 manner as they all have the same desired solution. No longer
2001 special case edge flag updating when the post dominator is
2004 2006-02-08 Roger Sayle <roger@eyesopen.com>
2006 * tree.def (CHAR_TYPE): Remove.
2007 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
2008 * dwarf2out.c (base_type_die, is_base_type): Likewise.
2009 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
2010 (gen_string_type_die): Delete unreachable function.
2012 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
2013 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
2014 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
2015 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
2016 * builtins.c (type_to_class): Likewise.
2017 * fold-const.c (fold_convert, build_range_check,
2018 merge_ranges): Likewise.
2019 * expr.c (count_type_elements): Likewise.
2020 * c-pretty-print.c (pp_c_type_specifier): Likewise.
2021 * stor-layout.c (layout_type): Likewise.
2022 * ipa-type-escape.c (type_to_consider): Likewise.
2023 * gimplify.c (omp_firstprivatize_type_sizes,
2024 gimplify_type_sizes): Likewise.
2025 * explow.c (promote_mode): Likewise.
2026 * tree-sra.c (is_sra_scalar_type): Likewise.
2027 * varasm.c (output_constant): Likewise.
2028 * tree-inline.c (remap_type_1): Likewise.
2029 * convert.c (convert_to_pointer, convert_to_real,
2030 convert_to_integer, convert_to_complex): Likewise.
2032 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
2034 * df-scan.c (df_def_record_1): A set destination may
2035 be a parallel regardless of mode.
2037 2006-02-08 Roger Sayle <roger@eyesopen.com>
2040 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
2041 * config/mips/_tilib.c: Remove.
2042 * config/fixtfdi.c: New libgcc source file.
2043 * config/fixunstfdi.c: New source file.
2044 * config/floatditf.c: New source file.
2045 * config/floatunditf.c: New souce file.
2046 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2047 files above instead of config/mips/_tilib.c.
2048 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2050 2006-02-08 Jeff Law <law@redhat.com>
2052 PR tree-optimization/26169
2053 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
2056 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
2058 * df.h (DF_REG_SIZE): Return the length of the initialized
2061 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
2063 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
2064 __muldf3): Return a correctly signed zero.
2066 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
2068 * passes.c (register_one_dump_file): Accept the current properties
2069 instead of pass number. Adjust call to dump_register. Remove
2071 (register_dump_files): Now a wrapper around...
2072 (register_dump_files_1): ... this one. Do not modify the pass
2074 (next_pass_1): Cosmetic fix.
2075 (execute_todo): Keep second parameter only. Use curr_properties
2076 instead of fetching it from the pass structure. Check and set
2078 (execute_one_pass): Handle TODO_set_props. Use curr_properties
2079 instead of fetching it from the pass structure. Fix calls to
2080 execute_todo. Update curr_properties and initialize .vcg RTL dump
2081 after running the pass. Reset last_verified.
2082 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
2084 (FIRST_AUTO_NUMBERED_DUMP): New.
2085 (dump_register): Remove "num" parameter, assign it within the
2087 (get_dump_file_name): Modify template for dumps.
2088 * tree-dump.h (dump_register): Adjust prototype.
2089 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
2090 (PROP_trees): Add PROP_gimple_lomp.
2091 (TODO_set_props): New.
2092 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
2093 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
2094 * cfgexpand.c (pass_expand): Destroy PROP_trees.
2096 2006-02-08 Jakub Jelinek <jakub@redhat.com>
2098 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
2099 (sparc64-*-linux*): Likewise.
2100 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
2101 * config/sparc/t-linux: New file.
2102 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
2103 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
2104 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
2105 -m32 -mlong-double-128.
2107 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
2108 * config/alpha/t-linux: New file.
2109 * config/alpha/libgcc-alpha-ldbl.ver: New file.
2111 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
2112 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
2113 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
2114 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
2115 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
2116 (CPP_ARCH32_SPEC): Remove.
2118 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
2120 PR tree-optimization/26145
2121 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
2124 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2127 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
2128 >= 240000 when generating code for SOM runtime.
2129 (output_indirect_call): Don't use "b,l" instruction for indirect calls
2130 to $$dyncall when generating code for SOM runtime..
2132 2006-02-07 Dirk Mueller <dmueller@suse.com>
2135 * doc/invoke.texi (-Wsequence-point): Update documentation
2136 that -Wsequence-point is implemented for C++ as well.
2138 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2140 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
2141 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
2142 (LIB_SPEC): Likewise.
2143 * doc/invoke.texi (SPARC options): Document -pthread.
2145 2006-02-07 Geoffrey Keating <geoffk@apple.com>
2147 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
2150 2006-02-07 Roger Sayle <roger@eyesopen.com>
2152 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
2153 Correct comment describing BOOLEAN_TYPE.
2155 2006-02-07 Dirk Mueller <dmueller@suse.com>
2157 * c.opt: C++ frontend supports -Wdiv-by-zero.
2158 * c-opts.c (c_common_handle_option): Remove dead case.
2160 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2162 * configure.ac (TLS assembler check): Do not enable TLS by
2163 default on SPARC/Solaris before version 10.
2164 * configure: Regenerate.
2166 2006-02-07 David Edelsohn <edelsohn@gnu.org>
2168 * doc/invoke.texi (xl-compat): Document conversion and support
2171 2006-02-07 Jeff Law <law@redhat.com>
2173 * tree-vrp.c (find_conditional_asserts): Update comments.
2174 (simplify_stmt_for_jump_threading): New.
2175 (identify_jump_threads, finalize_jump_threads): New.
2176 (vrp_finalize): Call identify_jump_threads.
2177 (execute_vrp): Call finalize_jump_threads.
2178 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
2179 (vrp_element, vrp_data, vrp_element_p): Remove.
2180 (vrp_hash_elt, vrp_variables_stack): Remove.
2181 (vrp_hash, vrp_eq, record_range): Remove.
2182 (simplify_cond_and_lookup_avail_expr): Remove.
2183 (extract_range_from_cond): Remove.
2184 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
2185 (simplify_stmt_for_jump_threading): New.
2186 (dom_thread_across_edge): New wrapper.
2187 (tree_ssa_dominator_optimize): No longer initialize or
2188 finalize any of the VRP datastructures. Remove iteration
2189 step and simplify as a result of removal of iteration step.
2190 (pass_dominator): Perform a cfg cleanup after DOM.
2191 (dom_opt_finalize_block): Use the new common routines
2192 for threading jumps. Simplify stack management slightly.
2193 No longer need to unwind VRP state.
2194 (record_equivalences_from_incoming_edge): No longer record
2196 (eliminate_redundant_computations): No longer call
2197 simplify_cond_and_lookup_avail_expr.
2198 * tree-flow.h (potentially_threadable_block): Prototype.
2199 (thread_across_edge): Likewise.
2200 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
2201 (tree-ssa-threadedge.o): Add dependencies.
2202 * tree-ssa-threadedge.c: New file.
2203 * passes.c (init_optimization_passes): Merge PHIs before
2204 calling VRP. Run VRP again late in the SSA optimization pipeline.
2206 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2208 * df-core.c (df_set_blocks): Do not dereference function pointers.
2209 (df_finish1): Likewise.
2210 (df_hybrid_search_forward): Likewise.
2211 (df_hybrid_search_backward): Likewise.
2212 (df_iterative_dataflow): Likewise.
2213 (df_analyze_problem): Likewise.
2214 (df_compact_blocks): Likewise.
2215 (df_dump): Likewise.
2216 * df-scan.c (df_rescan_blocks): Likewise.
2217 (df_record_entry_block_defs): Likewise.
2219 * genconditions.c (write_conditions): Guard the definition of
2220 'insn_conditions' with the check on GCC version.
2221 (write_writer): Guard the traversal 'insn_conditions' with
2222 the check on GCC version.
2224 2006-02-07 Richard Guenther <rguenther@suse.de>
2228 2006-01-30 Richard Guenther <rguenther@suse.de>
2230 * gimplify.c (gimplify_target_expr): Handle easy cases
2231 without creating a temporary.
2233 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
2235 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
2236 use of float in probability computations. Use edge probabilities
2237 in place of statically computed probabilities.
2238 (min_spec_prob): New static variable.
2239 (schedule_insns): Initialize it.
2240 (GET_SRC_PROB): Removed.
2241 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
2243 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
2246 * config/ia64/unwind-ia64.c: Revert last change.
2247 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
2248 (INCOMING_FRAME_SP_OFFSET): Define.
2250 2006-02-06 Roger Sayle <roger@eyesopen.com>
2252 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
2254 2006-02-07 Ben Elliston <bje@au.ibm.com>
2256 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
2257 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
2258 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
2259 (ix86_return_in_memory): Handle TDmode.
2260 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
2261 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
2263 2006-02-06 Richard Sandiford <richard@codesourcery.com>
2265 * reorg.c (dbr_schedule): Use dump_file instead of file.
2267 2006-02-06 Steve Ellcey <sje@cup.hp.com>
2270 * config/ia64/predicates.md (extr_len_operand): New predicate.
2271 * config/ia64/ia64.md (extv): Tighten constraints.
2273 (*tbit_and_2): Ditto.
2274 (*tbit_and_3): Ditto.
2275 (*tbit_or_2): Ditto.
2276 (*tbit_or_3): Ditto.
2280 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
2283 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
2285 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
2287 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
2288 loop_optimizer_init and loop_optimizer_finalize
2289 * tree-ssa-sink.c (execute_sink_code): Ditto.
2290 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2291 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
2292 tree_ssa_loop_done): Ditto.
2293 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
2294 * sched-ebb.c: Include output.h.
2295 (schedule_ebbs): Do not use dump argument.
2296 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
2297 * loop.c (loop_dump_stream): Removed.
2298 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
2300 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
2301 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
2302 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
2303 loop_iterations, strength_reduce, record_biv, record_giv,
2304 final_giv_value, check_final_value, check_ext_dependent_givs,
2305 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
2306 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
2307 dump_file instead of loop_dump_stream.
2308 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
2310 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
2312 * flow.c (life_analysis, rest_of_handle_life): Ditto.
2313 * haifa-sched.c: Include output.h
2314 (schedule_insns, sched_init): Do not use dump argument.
2315 * mode-switching.c (optimize_mode_switching): Ditto.
2316 * modulo-sched.c (stats_file): Removed.
2317 (print_node_sched_params): Do not call argument dump_file.
2318 (sms_schedule_by_order, loop_canon_p, sms_schedule,
2319 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
2321 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
2323 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
2324 rtl_loop_init, rtl_loop_done): Ditto.
2325 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
2326 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
2328 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
2329 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
2330 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
2331 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
2332 * emit-rtl.c (renumber_insns): Ditto.
2333 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
2334 expand_gimple_basic_block, tree_expand_cfg): Ditto.
2335 * regclass.c (regclass): Ditto.
2336 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
2337 remove_ssa_form, rewrite_out_of_ssa): Ditto.
2338 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
2339 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
2341 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
2342 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
2344 * gcse.c (gcse_file, debug_stderr): Removed.
2345 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
2346 rest_of_handle_gcse): Do not use dump argument.
2347 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
2348 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
2349 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
2350 compute_code_hoist_vbeinout, compute_code_hoist_data,
2351 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
2352 compute_store_table, build_store_vectors, insert_insn_start_bb,
2353 insert_store, remove_reachable_equiv_notes, replace_store_insn,
2354 store_motion): Use dump_file instead of gcse_file.
2355 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
2356 * profile.c (profile_dump_file): Removed.
2357 (branch_prob): Use dump_file instead of profile_dump_file.
2358 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
2360 * tree-ssa-copy.c (dump_copy_of): Ditto.
2361 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
2362 dump file to life_analysis.
2363 * bt-load.c (branch_target_load_optimize): Ditto.
2364 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
2366 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
2367 regclass, dbr_schedule): Declaration changed.
2368 * sched-int.h (sched_init): Declaration changed.
2369 * tree-profile.c (tree_profile_dump_file): Removed.
2370 (tree_profile_hooks): Removed profile_dump_file hook.
2371 * rtl-profile (rtl_profile_dump_file): Removed.
2372 (rtl_profile_hooks): emoved profile_dump_file hook.
2373 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
2375 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
2376 * tree-cfg.c (build_tree_cfg): Ditto.
2377 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
2378 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
2379 Declaration changed.
2380 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
2381 life_analysis and schedule_insns.
2382 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
2384 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
2386 * config/mips/mips.c (mips_reorg): Ditto.
2387 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
2390 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
2392 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2393 (s390_mangle_fundamental_type): New.
2394 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2397 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2398 (alpha_mangle_fundamental_type): New.
2399 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2402 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2404 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2406 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2407 (sparc_mangle_fundamental_type): New.
2409 2006-02-06 Jakub Jelinek <jakub@redhat.com>
2411 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
2412 (s390x-*-linux*): Likewise.
2413 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
2414 * config/s390/t-linux: New file.
2416 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2418 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
2419 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
2421 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
2423 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
2424 (ANTIC_SAFE_LOADS): New macro.
2425 (find_or_generate_expression): Add prototype.
2426 (set_contains_value): Allow null set for sake of not always having
2427 to allocate ANTIC_SAFE_LOADS.
2428 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
2429 Allow COMPONENT_REF too.
2430 (valid_in_set): Allow COMPONENT_REF.
2431 Check ANTIC_SAFE_LOADS too.
2432 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
2433 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
2435 (can_PRE_operation): Add COMPONENT_REF.
2436 (create_component_ref_by_pieces): New function.
2437 (create_expression_by_pieces): Use create_component_ref_by_pieces.
2438 (insert_aux): Move AGGREGATE_TYPE_P check here.
2439 (compute_avail): Set bb local stmt uids.
2440 (pass_pre): Use TODO_update_ssa_only_virtuals.
2442 2006-02-06 Ben Elliston <bje@au.ibm.com>
2444 * configure.ac: Unconditionally disable decimal float by default.
2445 * configure: Regenerate.
2447 2006-02-06 Ben Elliston <bje@au.ibm.com>
2449 * read-rtl.c (read_name): Terminate reading on EOF.
2451 2006-02-06 Ben Elliston <bje@au.ibm.com>
2453 * dfp.c (decimal_real_arithmetic): Change second argument type
2454 from int to enum tree_code. Do not always return true, but now
2455 return result of any call to decimal_do helper functions.
2456 * dfp.h (decimal_real_arithmetic): Update prototype.
2458 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
2460 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
2462 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
2465 * tree-cfg.c (cleanup_dead_labels): Also don't remove
2468 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2470 * tree-vrp.c (cfg_loops): Removed.
2471 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
2472 Use current_loops instead of cfg_loops. Pass flags to
2473 loop_optimizer_init.
2474 * cfgloopmanip.c (fix_loop_structure): Update only available
2476 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
2477 loop_optimizer_init.
2478 * modulo-sched.c (build_loops_structure): Removed.
2479 (sms_schedule): Use loop_optimizer_init.
2480 * loop-init.c (loop_optimizer_init): Use flags to determine
2481 which properties of loops to prepare.
2482 (rtl_loop_init): Pass flags to loop_optimizer_init.
2483 * tree-ssa-sink.c (execute_sink_code): Ditto.
2484 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
2485 * tree-ssa-pre.c (init_pre): Ditto.
2486 * cfgloop.h (LOOPS_NORMAL): New.
2487 (loop_optimizer_init): Declaration changed.
2489 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2491 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
2492 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
2494 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
2496 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
2498 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
2499 * pa/t-pa64: Delete quadlib.c rule.
2500 * pa/x-ada: Revert last change.
2501 * pa/t-pa: Revert last change. Delete quadlib.c rule.
2503 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2505 PR rtl-optimization/26087
2506 * rtlanal.c (canonicalize_condition): Do not cross basic block
2509 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
2512 * config/ia64/ia64.c: Include debug.h.
2513 (MAX_ARTIFICIAL_LABEL_BYTES): New.
2514 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
2515 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
2516 (process_epilogue, process_set, process_for_unwind_directive):
2517 Output unwind info only if requested. Add CFA info if requested.
2518 Add new arguments as needed. Adjust callers.
2519 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
2521 (DWARF2_FRAME_INFO): Define to zero.
2522 * config/ia64/unwind-ia64.c: Remove code that compensated for
2523 the CFA offset error fixed above.
2524 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
2525 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
2526 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
2527 -funwind-tables and -fexceptions to enable frame info.
2528 (dwarf2out_frame_init): Define initial CFA even if
2529 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
2530 DWARF2_UNWIND_INFO is nonzero, not just defined.
2531 (dwarf2out_frame_finish): Output non-EH call frame info only
2532 if DWARF2_FRAME_INFO is nonzero.
2533 (convert_cfa_to_loc_list,
2534 compute_frame_pointer_to_cfa_displacement): Define even if
2535 unwind info is not supported.
2536 (gen_subprogram_die): Use the above unconditionally. Remove
2537 legacy alternate code.
2538 * toplev.c (compile_file): Compile in call to
2539 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
2540 (lang_dependent_init): Ditto for dwarf2out_frame_init.
2542 2006-02-04 David Edelsohn <edelsohn@gnu.org>
2543 Jakub Jelinek <jakub@redhat.com>
2545 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
2546 IBM extended float format long double as "g" on powerpc*-linux.
2548 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2551 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
2552 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
2554 2006-02-03 Jason Merrill <jason@redhat.com>
2557 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
2560 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
2561 on the return slot if it's an NRV.
2563 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
2565 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
2566 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
2567 rewrite_use): Do not handle USE_OUTER.
2568 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
2569 add_iv_outer_candidates, may_replace_final_value,
2570 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
2571 (find_interesting_uses_op): Functionality of
2572 find_interesting_uses_outer_or_nonlin moved here.
2573 (find_interesting_uses_outside): Use find_interesting_uses_op.
2575 2006-02-03 Alan Modra <amodra@bigpond.net.au>
2578 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
2580 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
2581 Ulrich Weigand <uweigand@de.ibm.com>
2584 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
2585 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
2586 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
2587 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
2589 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
2590 (s390_rtx_costs): Use the new fields to calculate rtx costs.
2591 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
2592 Define secondary reloads for TFmode moves.
2593 (constant_modes): Add TFmode.
2594 (NR_C_MODES): Set to 8.
2595 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
2597 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
2598 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
2599 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
2600 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
2601 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
2602 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
2603 (FPR mode macro): Add TFmode.
2604 (DSF mode macro): New.
2605 (<de>, <dee> mode attributes): Removed.
2606 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
2607 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
2608 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
2609 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
2610 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
2611 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
2612 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
2613 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
2614 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
2615 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
2616 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
2617 "*negabs<mode>2", "sqrt<mode>2"):
2618 Changed <de> to <xde>. R constraint replaced by <Rf>.
2619 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
2621 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
2622 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
2623 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
2625 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
2626 "extenddftf2", "extendsftf2"): New expanders.
2627 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
2628 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
2629 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
2630 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
2632 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
2633 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
2634 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
2635 __floatditf): Add a GCC_4.1.0 symbol version tag.
2636 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
2639 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
2642 * config/i386/i386.c (ix86_function_ok_for_sibcall):
2643 Use targetm.binds_local_p instead of TREE_PUBLIC.
2645 2006-02-02 Roger Sayle <roger@eyesopen.com>
2647 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
2648 on INTEGER_TYPEs to indicate that it denotes a character type.
2649 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
2650 signed_char_type_node, unsigned_char_type_node and char_type_node.
2651 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
2652 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
2653 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
2655 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
2656 Daniel Berlin <dberlin@dberlin.org>
2658 * tree-tailcall.c (arg_needs_copy_p): New function.
2659 (eliminate_tail_call): Use arg_needs_copy_p.
2660 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
2661 (add_virtual_phis): New function.
2663 2006-02-02 Jakub Jelinek <jakub@redhat.com>
2665 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
2666 #ignore instead of #scratch for %g7 .register directive.
2668 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
2670 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
2673 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2675 * flow.c (calculate_global_regs_live): Assert that there aren't any
2678 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
2680 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
2682 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
2683 bsi_after_labels iterator.
2684 * tree-if-conv.c (find_phi_replacement_condition,
2685 replace_phi_with_cond_modify_expr): Likewise.
2686 * tree-scalar-evolution.c (scev_const_prop): Likewise.
2687 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
2689 2006-02-02 Diego Novillo <dnovillo@redhat.com>
2691 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
2693 2006-02-02 Diego Novillo <dnovillo@redhat.com>
2696 * tree-cfg.c (move_block_to_fn): Clear out the basic block
2697 array after growing it.
2699 2006-02-01 Steve Ellcey <sje@cup.hp.com>
2702 * fold-const.c (fold_checksum_tree): Change type of buf.
2704 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
2706 * reload.c (push_secondary_reload): Initialize t_icode.
2708 2006-02-01 Jakub Jelinek <jakub@redhat.com>
2710 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
2711 -msoft-float -mlong-double-128 only issue a warning, but don't
2712 swich to DFmode long double.
2714 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
2716 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
2717 has a constant equivalent, iterate over equivalents for arg0,
2718 calling simplify_relational_operation and if there's a result
2719 cheaper than X, apply fold_rtx and return the result.
2721 2006-02-01 Jan Hubicka <jh@suse.cz>
2723 * opts.c (no_unit_at_a_time_default): New global variable.
2724 (decode_options): Use it.
2725 * opts.h (no_unit_at_a_time_default): Declare.
2727 2006-02-01 Paul Brook <paul@codesourcery.com>
2729 * function.c (assign_parm_setup_reg): Use function argument promotion
2731 * expr.c (expand_expr_real_1): Use function argument promotion rules
2734 2006-02-01 Steve Ellcey <sje@cup.hp.com>
2736 * gcc.c (process_command): Change j to 'unsigned int'.
2738 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2741 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
2742 Use the corrected index for the character
2743 out of the string constant.
2745 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2747 * mode-switching.c (optimize_mode_switching): Fix size
2748 allocated for bb_info[n_entities].
2750 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2752 * gcc.c (main): Correct type that is allocated for
2753 explicit_link_files.
2755 2006-01-31 Jakub Jelinek <jakub@redhat.com>
2757 * config/s390/s390.c (init_alignment_context): Set
2758 ALIAS_SET_MEMORY_BARRIER on the MEM.
2759 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
2761 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
2764 * loop-unroll.c (unroll_loop_runtime_iterations): Free
2766 * tree-ssa-live.c (type_var_init): Allocate bitmap after
2769 2006-01-31 Marcin Dalecki <martin@dalecki.de>
2771 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
2772 * regrename.c: Ditto.
2773 * tree-ssa-loop-im.c: Ditto.
2774 * tree-dump.c: Ditto.
2775 * tree-complex.c: Ditto.
2776 * genrecog.c: Ditto.
2777 * tree-ssa-threadupdate.c: Ditto.
2779 * java/class.c: Ditto.
2780 * java/jcf-parse.c: Ditto.
2781 * java/resource.c: Ditto.
2782 * java/except.c: Ditto.
2783 * java/jvspec.c: Ditto.
2784 * java/jcf-write.c: Ditto.
2785 * java/jcf-path.c: Ditto.
2786 * java/gjavah.c: Ditto.
2787 * java/zextract.c: Ditto.
2788 * java/jcf-io.c: Ditto.
2789 * java/jcf.h: Ditto.
2790 * java/buffer.c: Ditto.
2791 * java/lang.c: Ditto.
2792 * java/parse-scan.y: Ditto.
2793 * java/lex.c: Ditto.
2794 * java/lex.h: Ditto.
2795 * cfgloopmanip.c: Ditto.
2796 * postreload-gcse.c: Ditto.
2797 * tree-ssa-loop-manip.c: Ditto.
2798 * postreload.c: Ditto.
2799 * tree-ssa-loop-ch.c: Ditto.
2803 * diagnostic.c: Ditto.
2805 * genoutput.c: Ditto.
2807 * cfghooks.c: Ditto.
2808 * cfgloopanal.c: Ditto.
2809 * objc/objc-act.c: Ditto.
2811 * genextract.c: Ditto.
2812 * genautomata.c: Ditto.
2813 * pretty-print.c: Ditto.
2815 * cgraphunit.c: Ditto.
2818 * haifa-sched.c: Ditto.
2819 * dominance.c: Ditto.
2821 * tree-ssa-loop-ivopts.c: Ditto.
2823 * mode-switching.c: Ditto.
2824 * modulo-sched.c: Ditto.
2826 * ipa-pure-const.c: Ditto.
2828 * fix-header.c: Ditto.
2830 * tree-stdarg.c: Ditto.
2831 * ipa-utils.c: Ditto.
2832 * loop-init.c: Ditto.
2833 * ipa-inline.c: Ditto.
2836 * alloc-pool.c: Ditto.
2837 * dwarf2out.c: Ditto.
2839 * genattrtab.c: Ditto.
2840 * tree-ssa-loop-ivcanon.c: Ditto.
2844 * fortran/gfortranspec.c: Ditto.
2846 * local-alloc.c: Ditto.
2847 * langhooks.c: Ditto.
2848 * function.c: Ditto.
2849 * tree-vectorizer.c: Ditto.
2851 * ipa-type-escape.c: Ditto.
2853 * tree-if-conv.c: Ditto.
2856 * tree-data-ref.c: Ditto.
2857 * loop-unroll.c: Ditto.
2858 * treelang/treetree.c: Ditto.
2861 * ggc-common.c: Ditto.
2863 * coverage.c: Ditto.
2865 * tree-cfgcleanup.c: Ditto.
2866 * tree-ssa-pre.c: Ditto.
2867 * cfgcleanup.c: Ditto.
2868 * loop-invariant.c: Ditto.
2870 * ipa-prop.c: Ditto.
2871 * print-tree.c: Ditto.
2872 * conflict.c: Ditto.
2873 * ggc-page.c: Ditto.
2874 * sched-deps.c: Ditto.
2875 * regclass.c: Ditto.
2876 * tree-object-size.c: Ditto.
2878 * bb-reorder.c: Ditto.
2879 * resource.c: Ditto.
2880 * var-tracking.c: Ditto.
2882 * df-problems.c: Ditto.
2883 * reg-stack.c: Ditto.
2886 * sched-rgn.c: Ditto.
2887 * tree-ssa-structalias.c: Ditto.
2888 * tree-ssa-reassoc.c: Ditto.
2889 * config/darwin-c.c: Ditto.
2890 * config/darwin.c: Ditto.
2891 * config/arm/arm.c: Ditto.
2893 * collect2.c: Ditto.
2896 2006-01-31 Nicolas Pitre <nico@cam.org>
2898 * arm.md (smaxsi3): Make aware of smax_m1.
2901 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
2903 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
2905 2006-01-31 Richard Guenther <rguenther@suse.de>
2907 * doc/invoke.texi (-msselibm): Document.
2908 * target.h (expand_library_builtin): New target hook.
2909 * builtins.c (expand_builtin): Use expand_library_builtin.
2910 (default_expand_library_builtin): New function.
2911 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2912 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2913 (link_gcc_math_spec): Declare.
2914 (static_specs): Add link_gcc_math_spec.
2915 * expr.h (default_expand_library_builtin): Declare.
2916 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2917 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2918 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2919 * config/i386/i386.opt (msselibm): New target option.
2920 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2921 (ix86_init_sse_abi_builtins): New function.
2922 (ix86_expand_library_builtin): Likewise.
2923 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2924 (override_options): Handle error conditions wrt -msselibm.
2925 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2926 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2927 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2930 2006-01-31 Richard Guenther <rguenther@suse.de>
2931 Paolo Bonzini <bonzini@gnu.org>
2933 * doc/install.texi (--disable-libgcc-math): Document.
2935 2006-01-30 Marcin Dalecki <martin@dalecki.de>
2937 * expr.h (expand_normal): new inline function.
2938 * builtins.c: use it, use EXPAND_NORMAL explicitely.
2940 * dwarf2out.c: use it.
2945 * config/sparc/sparc.c: use it.
2946 * config/i386/i386.c: use it.
2947 * config/rs6000/rs6000.c: use it.
2948 * config/arm/arm.c: use it.
2949 * config/mips/mips.c: use it.
2950 * stmt.c: use it, use EXPAND_NORMAL explicitely.
2952 2006-01-30 Roger Sayle <roger@eyesopen.com>
2954 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
2955 argv to the appropriate type.
2957 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
2959 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
2962 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
2965 * config/s390/s390.c (struct machine_function): New flag
2966 decomposed_literal_pool_addresses_ok_p.
2967 (s390_reorg): Set it before final stage of literal pool transforms.
2968 (s390_decompose_address): Only accept displacements of the form
2969 (minus (label_ref ...) (label_ref ...)) if that flag is set.
2971 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
2973 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
2974 the comparison routine return.
2976 2006-01-30 Michael Matz <matz@suse.de>
2978 * global.c (find_reg): Only evict for global regs.
2979 Take n_refs into account and dump more info.
2981 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
2984 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
2985 (pragma_trap, pragma_nosave_low_regs): Likewise.
2986 (current_function_anonymous_args): Likewise.
2987 (sh_deferred_function_attributes): New variable.
2988 (sh_deferred_function_attributes_tail): Likewise.
2989 (print_operand): For '@', look up trap_exit attribute.
2990 (calc_live_regs): Look up trapa_handler attribute. For trapa
2991 handlers, save/restore fpscr, but don't do any other
2992 interrupt-specific saves.
2993 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
2994 Fix check for partially saved registers to check for SHmedia.
2995 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
2996 (sh_output_function_epilogue): Don't clear any of the removed
2998 (sh_insert_attributes): Don't check pragma_interrupt.
2999 Insert deferred attributes. Check that interrupt attribute is
3000 present for other attributes that require its presence.
3001 (sh_attribute_table): Add new attributes trapa_handler and
3003 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
3004 Don't check for pragma_interrupt. Don't store argument.
3005 * sh.h (pragma_interrupt, sp_switch): Don't declare.
3006 (sh_deferred_function_attributes): Declare.
3007 (sh_deferred_function_attributes_tail): Likewise.
3008 * sh.md (sp_switch_1): Add operand. Change generator caller.
3009 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
3010 (*return_i): Don't use when trap_exit attribute is in effect.
3011 (*return_trapa): New insn pattern.
3013 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
3014 setting c_target_objs and cxx_target_objs.
3015 * t-sh: Add rule for sh-c.o.
3017 2006-01-30 Richard Guenther <rguenther@suse.de>
3020 * gimplify.c (gimplify_target_expr): Handle easy cases
3021 without creating a temporary.
3023 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
3025 * vec.h (safe_grow): Remove duplicated line.
3027 2006-01-29 Diego Novillo <dnovillo@redhat.com>
3030 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
3031 (expand_omp): ... here.
3032 (expand_omp_parallel): Only remove barriers for combined
3033 parallel+workshare constructs.
3035 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
3039 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3040 * tree.c (build_qualified_type): Chain the new type to the original
3041 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3042 a POINTER_TYPE or a REFERENCE_TYPE respectively.
3043 (build_pointer_type_for_mode): Only return unqualified types.
3044 (build_reference_type_for_mode): Likewise.
3046 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
3048 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
3049 * Makefile.in (CXX_COMPAT_WARN): Define.
3050 * configure: Regenerate.
3052 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
3055 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
3058 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3060 * toplev.c: Fix thinko.
3062 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3063 Marcin Dalecki <martin@dalecki.de>
3065 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
3066 (push_srcloc): Use XNEW.
3067 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
3069 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3071 * df-core.c (df_set_blocks): Deleted all variable.
3073 2006-01-28 Ian Lance Taylor <ian@airs.com>
3075 * cgraphunit.c (cgraph_assemble_pending_functions): Call
3076 cgraph_output_pending_asms.
3078 2006-01-28 Zack Weinberg <zackw@panix.com>
3080 * c.opt: Add -W(no-)overlength-strings.
3081 * doc/invoke.texi: Document it.
3082 * c-opts.c (c_common_handle_option): -pedantic implies
3083 -Woverlength-strings, if not explicitly disabled already.
3084 (c_common_post_options): -Woverlength-strings defaults to off, and
3085 is always off for C++.
3086 * c-common.c (fix_string_type): Issue warning about strings longer
3087 than is portable only if warn_overlength_strings. Rearrange code
3088 a little for clarity.
3089 * configure.in: Check for -Wno-overlength-strings as well before
3090 enabling -pedantic in stage 1.
3091 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
3092 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
3094 * genconditions.c (write_header, write_one_condition)
3095 (write_conditions, write_writer): Consolidate very long strings
3096 that were broken up to fit in C89 portable limit. Don't use
3097 printf when fputs will do.
3099 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
3101 * combine.c (simplify_comparison <AND>): Check
3102 TRULY_NOOP_TRUNCATION before start using a subreg.
3104 * config/mips/mips.md (*branch_zero<mode>,
3105 *branch_zero<mode>_inverted, *branch_equality<mode>,
3106 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
3107 Remove mode check from comparisons.
3109 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
3111 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
3113 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3115 * expmed.c (const_mult_add_overflow_p): Remove.
3116 * expr.h: Remove the prototype for const_mult_add_overflow_p.
3118 * recog.c (validate_replace_rtx_subexp): Remove.
3119 * recog.h: Remove the prototype for
3120 validate_replace_rtx_subexp.
3122 * integrate.h: Remove the prototype for
3123 copy_decl_for_inlining.
3124 * rtl.h: Remove the prototype for mark_constant_function.
3125 * tree-vectorizer.h: Remove the prototype for
3126 vect_strip_conversion.
3128 * modulo-sched.c (create_partial_schedule,
3129 free_partial_schedule, reset_partial_schedule): Make them
3132 * hooks.c (hook_bool_rtx_int_false): Remove.
3133 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
3135 2006-01-28 David Edelsohn <edelsohn@gnu.org>
3137 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3138 and -mlong-double-128 are incompatible.
3139 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
3140 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
3141 (TARGET_LIBGCC2_CFLAGS): Define.
3142 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
3143 (TARGET_LIBGCC2_CFLAGS): Same.
3144 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
3146 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3149 * c-typeck.c (build_binary_op): Perform implicit casts of
3150 operands before shortening them.
3152 * cfgloopmanip.c (split_loop_bb): Remove.
3153 * cfgloop.h: Remove the prototype for split_loop_bb.
3155 * cfgloop.c (flow_loop_outside_edge_p): Remove.
3156 * cfgloop.h: Remove the prototype for
3157 flow_loop_outside_edge_p.
3159 * emit-rtl.c (init_virtual_regs): Make it static.
3160 * function.h: Remove the prototype for init_virtual_regs.
3162 * recog.c (peephole2_optimize): Make it static.
3163 * recog.h: Remove the prototype for peephole2_optimize.
3165 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3167 * df-scan.c (df_record_entry_block_defs): Check if
3168 INCOMING_RETURN_ADDR_RTX is defined.
3170 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
3171 Kenneth Zadeck <zadeck@naturalbridge.com>
3173 PR rtl-optimization/24762
3174 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3175 * targhooks.c (hook_void_bitmap): New hook prototype.
3176 * targhoohs.h (hook_void_bitmap): Ditto.
3177 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
3178 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
3179 * target.h (live_on_entry): New function pointer.
3180 * df-scan.c (df_all_hard_regs): Removed.
3181 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
3182 (df_scan_free_internal): Added df->entry_block_defs.
3183 (df_scan_alloc): Ditto.
3184 (df_scan_dump): Ditto.
3185 (df_uses_record): Plumbed flag field properly thru calls.
3186 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
3187 This part fixes PR24762.
3188 (df_bb_refs_record): Added code to make the frame and arg
3189 pointers live in EH blocks.
3190 (df_refs_record): Added call to df_record_entry_block_defs.
3191 (df_record_entry_block_defs): New function.
3192 * df-core.c: Added comments to describe new artifical defs.
3193 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
3194 (entry_block_defs): New field in struct df.
3195 (df_all_hard_regs): Deleted.
3196 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3197 * df-problems.c (df_ru_bb_local_compute_process_def):
3198 Added code to handle artifical defs in the entry to a function.
3199 (df_ru_bb_local_compute): Ditto.
3200 (df_rd_bb_local_compute_process_def): Ditto.
3201 (df_rd_bb_local_compute): Ditto.
3202 (df_lr_bb_local_compute): Ditto.
3203 (df_ur_bb_local_compute): Ditto.
3204 (df_urec_bb_local_compute): Ditto.
3205 (df_chain_create_bb): Ditto.
3206 (df_ur_local_finalize): Removed entry.
3207 (df_urec_init): Ditto.
3208 (df_urec_local_finalize): Ditto.
3209 (df_ri_bb_compute): Added detection of last use of pseudos.
3210 * Makefile.in (df-scan.o): Updated dependencies.
3211 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
3212 * config/mips/mips.c (mips_set_live_on_entry): Added.
3213 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
3215 * dce.c (marked_insn_p): Added code to handle artifical defs.
3217 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3219 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
3221 (_mm_cvtsi128_si64): Likewise.
3222 (_mm_cvtsd_si64): Likewise.
3223 (_mm_cvttsd_si64): Likewise.
3224 (_mm_cvtsi64_sd): Likewise.
3225 (_mm_cvtsi64_si128): Likewise.
3226 * config/i386/mmintrin.h (_m_from_int64): Likewise.
3227 (_mm_cvtsi64_m64): Likewise.
3228 (_m_to_int64): Likewise.
3229 (_mm_cvtm64_si64): Likewise.
3230 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
3231 (_mm_cvttss_si64): Likewise.
3232 (_mm_cvtsi64_ss): Likewise.
3233 (_mm_cvtss_f32): Likewise.
3235 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
3237 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
3238 for pragma redefine_extname.
3240 2006-01-27 Jakub Jelinek <jakub@redhat.com>
3243 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
3244 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
3245 -mno-minimal-toc to previous content.
3246 (bispecs): Remove goal.
3247 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
3248 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
3249 compatibility aliases on powerpc-*-*gnu*.
3250 * config/rs6000/libgcc-ppc-glibc.ver: New file.
3251 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
3252 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
3253 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
3254 (ldblspecs): New goal.
3255 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
3256 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
3258 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
3259 L_sf_to_tf or L_df_to_tf is defined.
3261 2006-01-27 David Edelsohn <edelsohn@gnu.org>
3262 Alan Modra <amodra@bigpond.net.au>
3265 * config/rs6000/linux.h (POWERPC_LINUX): Define.
3266 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
3267 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
3268 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
3269 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
3270 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
3271 (rs6000_override_options): Initialize rs6000_ieeequad.
3272 Initialize TFmode format to ibm_extended_format if not
3274 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
3276 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
3277 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
3278 (function_arg_advance): IBM long double passed in two FPRs, not
3280 (function_arg): IBM long double passed in FPRs.
3281 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
3282 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
3283 Only multireg GPR aligned.
3284 (rs6000_init_libfuncs): Enable IBM long double functions if not
3286 (rs6000_generate_compare): Use IBM long double compare if not
3288 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
3289 (TARGET_IEEEQUAD): Define.
3290 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
3291 not TARGET_IEEEQUAD.
3292 * config/rs6000/rs6000.md: Enable TFmode patterns if
3294 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
3295 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3296 and -mlong-double-128 are incompatible.
3297 * doc/invoke.texi (-mabi): Collect options together. Add
3298 ibmlongdouble and ieeelongdouble.
3300 2006-01-27 Richard Sandiford <richard@codesourcery.com>
3302 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
3304 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
3305 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
3306 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
3307 * rtl.h (rtunion_def): Remove rt_ptr.
3309 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
3310 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
3311 * config/i386/winnt.c (i386_pe_mark_dllexport)
3312 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
3314 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
3316 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
3318 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3322 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
3323 pthread_key_delete. From John David Anglin. gthrw-ify
3324 pthread_getunique_np only if it it's not a macro. Delete
3326 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
3327 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
3328 __gthread_objc_condition_signal, __gthread_key_delete): Add
3329 "__attribute__ ((__unused__))" to unused arguments.
3330 (__gthread_recursive_mutex_init_function): Add missing return.
3331 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
3332 gthr-posix95.h: Use macro-based approach for name redirection
3333 on targets missing weakref.
3335 2006-01-26 Zack Weinberg <zackw@panix.com>
3337 * genconditions.c (write_header): In generated code, #ifdef out
3338 all includes and fake declarations, except includes of bconfig.h
3339 and system.h, unless GCC_VERSION >= 3001. Do not include
3340 gensupport.h in any case.
3341 (write_conditions): Generate a definition of struct c_test. Add
3342 a comment to the generated #endif.
3343 (write_one_condition): Escape backslashes in string too.
3344 (write_writer): Generated code must escape backslashes and quote
3345 marks (but not newlines) in the strings it writes.
3346 * Makefile.in (build/gencondmd.o): Update dependencies.
3348 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3351 * Makefile.in (insn-automata.o): Add header file dependencies.
3352 * genautomata.c: Add includes.
3354 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3357 * Makefile.in (insn-automata.o): Add -Wno-error flag.
3359 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3361 * configure.ac: Expect target tools paths to be passed from the toplevel
3362 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
3364 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
3366 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3369 * c.opt (Wpointer-sign): Init to -1.
3370 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
3371 OPT_pedantic, to 0 otherwise.
3372 * doc/invoke.texi: Update.
3374 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3376 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
3377 constants provided by 80387 instructions in the destination mode.
3379 2006-01-26 Richard Guenther <rguenther@suse.de>
3380 Andrew Pinski <pinskia@physics.uc.edu>
3383 partial PR tree-opt/17064
3384 * tree-ssa-structalias.c (intra_create_variable_infos):
3385 Create heap variables for incoming parameters if
3386 flag_argument_noalias > 1.
3387 (find_what_p_points_to): Look through default defs of
3390 2006-01-26 Jeff Law <law@redhat.com>
3393 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
3394 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
3395 within the VR_RANGE, use the VR_RANGE as the result, not the
3397 (adjust_range_with_scev): Reject ranges from SCEV which are out of
3398 bounds for the type.
3400 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
3402 * tree-ssa-alias.c (maybe_create_global_var): Change
3403 subvar walking to an assertion that we don't have subvar'd variables.
3405 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
3408 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
3409 Use a new variable, inner. PARM_DECLs are always non-weak.
3411 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
3413 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
3416 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
3418 * config/mips/mips.md (*clear_upper32): New combiner pattern.
3420 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
3422 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
3423 (smax_insn, smin_insn, smax_0, smin_0): New.
3425 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
3428 * config/cris/cris.c (cris_order_for_addsi3): New function.
3429 * config/cris/cris-protos.h: Prototype it.
3430 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
3431 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
3432 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
3433 (split for "op.S1 [rx=rx+i],ry (swapped)")
3434 (split for "op(s|u).S1 [rx=rx+i],ry")
3435 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
3436 Apply cris_order_for_addsi3 when generating addsi3 insns.
3438 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3440 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
3441 (TREE_BLOCK): Add call to EXPR_CHECK.
3443 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3446 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
3447 * tree-pretty-print.c (dump_omp_clause): Extract from ...
3448 (dump_omp_clauses): ... here.
3449 (dump_generic_node): Handle OMP_CLAUSE.
3450 * tree.c (omp_clause_num_ops): New.
3451 (omp_clause_code_name): New.
3452 (tree_code_size): Handle OMP_CLAUSE.
3453 (tree_size): Likewise.
3454 (make_node): Document handling of OMP_CLAUSE.
3455 (tree_node_structure): Handle OMP_CLAUSE.
3456 (omp_clause_check_failed): New.
3457 (omp_clause_range_check_failed): New.
3458 (omp_clause_operand_check_failed): New.
3459 (build_omp_clause): New.
3460 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
3461 * tree.h (enum omp_clause_code): Declare.
3462 (OMP_CLAUSE_SUBCODE_CHECK): Define.
3463 (OMP_CLAUSE_RANGE_CHECK): Define.
3464 (OMP_CLAUSE_ELT_CHECK): Define.
3465 (omp_clause_check_failed): Declare.
3466 (omp_clause_operand_check_failed): Declare.
3467 (omp_clause_range_check_failed): Declare.
3468 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
3469 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
3470 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
3471 (OMP_CLAUSE_LASTPRIVATE): Likewise.
3472 (OMP_CLAUSE_IF_EXPR): Likewise.
3473 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
3474 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
3475 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
3476 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
3477 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
3478 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
3479 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
3480 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
3481 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
3482 (OMP_CLAUSE_CODE): Define.
3483 (OMP_CLAUSE_SET_CODE): Define.
3484 (OMP_CLAUSE_CODE): Define.
3485 (OMP_CLAUSE_OPERAND): Define.
3486 (struct tree_omp_clause): Declare.
3487 (union tree_node): Add field 'omp_clause'.
3488 * treestruct.def (TS_OMP_CLAUSE): Define.
3489 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
3490 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
3491 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
3492 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
3493 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
3494 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
3495 (OMP_CLAUSE): Define.
3496 * print-tree.c (print_node): Handle OMP_CLAUSE.
3497 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
3498 * c-typeck.c: Likewise.
3499 * gimplify.c: Likewise.
3500 * c-omp.c: Likewise.
3501 * tree-nested.c: Likewise.
3502 * tree-inline.c: Likewise.
3503 * c-parser.c: Likewise.
3504 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
3507 2006-01-25 Roger Sayle <roger@eyesopen.com>
3509 PR rtl-optimization/25703
3510 * combine.c (try_combine): Handle zero_extract and strict_low_part
3511 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
3513 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
3515 * global.c: Fix comment typos.
3517 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
3520 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
3521 Use output_addr_const instead of assemble_name.
3523 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
3525 * Makefile.in (sched-vis.o): Update dependencies.
3526 * haifa-sched.c (sched_finish): Clear current_sched_info.
3527 * cfg.c (dump_bb_info): New, split from dump_flow_info.
3528 (dump_flow_info): Call it.
3529 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
3531 * basic-block.h (dump_bb_info): Declare.
3532 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
3533 option, and apply options only for dump files whose TDF_RTL,
3534 TDF_TREE, or TDF_IPA bits match.
3535 * rtl.h: Declare new functions exported from sched-vis.c.
3536 * sched-vis.c: Enable also if scheduling is not used.
3537 (print_value): Print the mode of registers if not inside scheduling.
3538 (print_insn): Make it work outside the scheduler. Beautify the output
3540 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
3542 2006-01-25 Richard Sandiford <richard@codesourcery.com>
3544 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
3545 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
3546 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
3547 depending on the value of CONSTANT_POOL_ADDRESS_P.
3548 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
3550 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
3551 rather than SYMBOL_REF_DECL.
3552 (rtx_constant_pool): Remove const_rtx_sym_htab.
3553 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
3554 (init_varasm_status): Don't initialize const_rtx_sym_htab.
3555 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
3556 Remove handling of const_rtx_sym_htab.
3557 (find_pool_constant): Delete.
3558 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
3559 rather than find_pool_constant.
3560 (get_pool_constant_for_function): Delete.
3561 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
3563 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
3564 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
3565 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
3566 (SYMBOL_REF_CONSTANT): New macro.
3567 (get_pool_constant_for_function): Delete.
3568 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
3569 rather than SYMBOL_REF_DECL.
3570 (i386_pe_mark_dllimport): Likewise.
3571 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
3572 rather than SYMBOL_REF_DECL.
3573 * config/darwin.c (machopic_indirect_data_reference): Likewise.
3574 (machopic_indirect_call_target): Likewise.
3576 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
3578 * flow.c (delete_noop_moves): Add missing EOL to dump message.
3580 2006-01-25 Richard Sandiford <richard@codesourcery.com>
3582 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
3584 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
3586 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
3588 2006-01-24 David Daney <ddaney@avtrex.com>
3591 * configure.ac (enable_tls): New enable option.
3592 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
3593 * configure: Regenerate.
3594 * doc/install.texi (--enable-tls): Document new option.
3595 (--disable-tls): Ditto.
3597 2006-01-24 Richard Henderson <rth@redehat.com>
3599 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
3600 * alias.c (true_dependence): Respect it.
3601 (canon_true_dependence, write_dependence_p): Likewise.
3602 * builtins.c (get_builtin_sync_mem): Set it.
3604 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
3606 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
3609 2006-01-24 DJ Delorie <dj@redhat.com>
3611 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
3612 for storing constants in single-bit bitfields.
3614 2006-01-25 Ben Elliston <bje@au.ibm.com>
3616 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
3618 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
3621 * tree-ssa-pre.c (phi_translate): Return NULL
3622 for AGGREGATE_TYPE's.
3624 2006-01-24 Zack Weinberg <zackw@panix.com>
3626 * genautomata.c (process_state_for_insn_equiv_partition):
3627 Use xcalloc for insn_arcs_array.
3628 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
3629 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
3631 2006-01-24 Richard Henderson <rth@redhat.com>
3633 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
3636 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
3638 PR rtl-optimization/25890
3639 PR rtl-optimization/25905
3640 * combine.c (expand_compound_operation, expand_field_assignment):
3641 Fail if the bitfield's final position is out of bounds.
3643 2006-01-24 Ian Lance Taylor <ian@airs.com>
3646 * cgraphunit.c (cgraph_output_in_order): Don't clear
3647 cgraph_asm_nodes until after asm strings have been output.
3649 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
3651 * fix-header.c (read_scan_file): Add new parameter imultilib when
3652 calling register_include_chains.
3654 2006-01-23 Diego Novillo <dnovillo@redhat.com>
3656 * omp-low.c: Update documentation.
3658 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
3659 Daniel Berlin <dberlin@dberlin.org>
3663 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
3664 return from the function.
3666 2006-01-22 Zack Weinberg <zackw@panix.com>
3668 * rtl.def (match_code): Add second argument.
3669 * genpreds.c (write_extract_subexp): New function.
3670 (write_match_code): Add path argument. Use write_extract_subexp.
3671 (write_predicate_expr): Pass path to write_match_code.
3672 (mark_mode_tests): MATCH_CODE applied to a subexpression does
3673 not perform a mode test.
3674 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
3675 a subexpression does not constrain the top-level code set.
3676 * read-rtl.c (read_rtx_variadic): New function.
3677 (read_rtx_1): Use it; allow AND and IOR to be variadic.
3678 * doc/md.texi: Document new notation.
3679 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
3680 (cmpsi_operand): ... here, using new notation.
3682 2006-01-22 Zack Weinberg <zackw@panix.com>
3684 * varray.c: Remove GENERATOR_FILE #ifdefs.
3686 2006-01-22 Zack Weinberg <zackw@panix.com>
3688 * genautomata.c (output_reserved_units_table): Emit nothing if
3689 description->query_units_num is zero. Remove extra blank line.
3690 (output_cpu_unit_reservation_p): Short circuit
3691 if description->query_units_num is zero.
3693 2006-01-22 Zack Weinberg <zackw@panix.com>
3695 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
3696 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
3697 nor any of the random handful of variables that used to be necessary
3698 when this program was linked with rtlanal.o. Prune set of forward
3699 function declarations.
3700 (struct attr_desc): Remove static_p field.
3701 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
3702 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
3703 (attr_string): Do not read the character one past the length of
3705 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
3706 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
3707 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
3708 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
3709 (make_automaton_attrs): New.
3710 (main): Do not call into genautomata. Call local gen_bypass
3711 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
3712 Remove special case for insn_alts.
3713 * genautomata.c: Include gensupport.h; not genattrtab.h nor
3714 varray.h (leftover from previous change). Prune set of forward
3715 function declarations. Remove state_alts fields from all
3716 structures. Remove state_alts_table from struct automaton.
3717 Make everything except main static. Do not maintain num_dfa_decls.
3718 Do not maintain state_alts fields of various structures.
3719 (process_decls): Don't validate condexp for dm_insn_reserv decls.
3720 (add_arc): Remove state_alts argument. All callers updated.
3721 (output_reserved_units_table): Emit #ifdef here...
3722 (output_tables): ...not here. Don't generate state_alts tables.
3723 (expand_automata): Don't generate attributes.
3724 (write_automata): Don't generate state_alts functions.
3725 (main): New function.
3726 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
3727 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
3728 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
3729 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
3730 (BYPASS_P_FUNC_NAME, output_state_alts_table)
3731 (output_automata_list_state_alts_code, output_internal_state_alts_func)
3732 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
3733 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
3735 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
3736 * genattrtab.h: Delete file.
3737 * Makefile.in (OBJS-common): Add insn-automata.o.
3738 (insn-automata.o): New rule.
3739 (simple_generated_c): Add insn-automata.c.
3740 (build/genattrtab.o, build/genautomata.o): Update dependencies.
3741 (genprogmd): Add automata.
3742 (build/genattrtab): Needs no extra objects nor libraries.
3743 (build/genautomata): Needs build/vec.o and -lm.
3745 2006-01-22 Zack Weinberg <zackw@panix.com>
3747 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
3748 (output_dfa_max_issue_rate, locked_states_num): Delete.
3749 (struct automaton): Add locked_states field.
3750 (output_dead_lock_vect): Save number of locked states in
3751 automaton->locked_states. If it is zero, don't print anything.
3752 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
3753 (output_internal_dead_lock_func): Only test the dead_lock_vect
3754 for automata that have locked states.
3755 (output_statistics): Always print the number of locked states for
3756 each automaton. Calculate total number of locked states here.
3757 (write_automata): Don't call output_dfa_max_issue_rate.
3758 * genattrtab.c: Define length_unit_log as a const variable.
3759 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
3760 max_insn_queue_index const.
3761 * final.c (length_unit_log): Declare const.
3762 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
3764 2006-01-22 Zack Weinberg <zackw@panix.com>
3766 * genautomata.c: Include vec.h, not varray.h.
3767 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
3768 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
3769 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
3770 VEC_* macros operating on appropriately typed vectors, or to
3771 malloced arrays when the size is known in advance. Const-ify
3772 many char* variables and function arguments. No functional changes.
3773 * Makefile.in (build/varray.o): Delete rule.
3774 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
3775 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
3777 2006-01-22 Zack Weinberg <zackw@panix.com>
3779 * gensupport.c: Define get_insn_name and record_insn_name here.
3780 (read_md_rtx): Call record_insn_name as appropriate.
3781 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
3782 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
3783 * genpreds.c, genrecog.c: Don't define get_insn_name nor
3785 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
3786 (BUILD_VARRAY): Delete.
3787 (genprognormal): Rename genprogmd. Fold in all programs from
3788 genprognoprint; also attrtab.
3789 (build/genattrtab): Just mention genautomata.o and varray.o.
3790 Reorganize a bit, add comments to make the categories clearer.
3792 2006-01-22 Zack Weinberg <zackw@panix.com>
3794 * genconditions.c (condition_table, add_condition): Delete.
3795 (write_conditions): Don't emit n_insn_conditions nor
3796 insn_elision_unavailable. Issue the gcc version #ifdef here,
3797 inside the table, with no #else clause ...
3798 (write_header): ...not here.
3799 (write_writer): New function.
3800 (main): Don't initialize condition_table. Use add_c_test.
3802 * gensupport.c (init_md_reader_args_cb): Handle multiple input
3803 files on the command line.
3804 (maybe_eval_c_test): Don't check insn_elision_unavailable.
3805 Return -1 if there is no entry in the table, don't abort.
3806 (add_c_test, traverse_c_tests): New functions.
3807 * gensupport.h (insn_elision_unavailable, insn_conditions)
3808 (n_insn_conditions): Delete declarations.
3809 (add_c_test, traverse_c_tests): Declare.
3810 * read-rtl.c: Include gensupport.h.
3811 (read_conditions): New function.
3812 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
3813 (read_rtx_1): If we get EOF when we were looking for an initial
3814 open paren, return 0. Call read_conditions when appropriate.
3815 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
3816 dummy-conditions.o. Eliminate references to insn-conditions.o,
3817 or change them to build/gencondmd.o, as appropriate. Remove
3818 insn-constants.h from $(simple_generated_h) and insn-conditions.c
3819 from $(simple_generated_c). For all files remaining in those
3820 two lists, add insn-conditions.md to the generator command line.
3821 Give insn-constants.h/s-constants their own rules. Add rules
3822 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
3823 (build/read-rtl.o): Depend on gensupport.h.
3824 (genprognormal): Include preds.
3825 (genprogearly): Rename genprognoprint; only difference is now that
3826 they don't link with $(BUILD_PRINT).
3827 * dummy-conditions.c: Delete.
3829 2006-01-22 Zack Weinberg <zackw@panix.com>
3831 * genextract.c: Don't include insn-config.h. Do include vec.h.
3832 Declare vectors of int, char, and locstr.
3833 (locstr): New typedef.
3834 (struct extraction): Make all array fields into bare pointers.
3835 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
3836 (insn_code_number): Delete.
3837 (accum_extract): New struct.
3838 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
3839 (gen_insn): Take insn_code_number as an argument. Use an
3840 accum_extract structure instead of loading data directly into
3841 a struct extraction, and having to know how big it might get.
3842 (walk_rtx): Operate entirely on an accum_extract structure.
3843 (print_path): Avoid unnecessary use of printf.
3844 (print_header): New function, split out of main. Distinguish
3845 more carefully between an unrecognizable insn and an insn that
3846 has the code number of a define_expand.
3847 (main): Pass insn_code_number to gen_insn. Call print_header
3848 only after parsing. Avoid unnecessary use of printf.
3849 * Makefile.in (build/vec.o): New rule.
3850 (build/genextract): Depend on build/vec.o.
3851 (build/genextract.o): Don't depend on insn-config.h.
3853 2006-01-22 Zack Weinberg <zackw@panix.com>
3855 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
3856 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
3857 practical. Eliminate per-generator-program link rules.
3859 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
3862 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3863 with a call expr to ...
3864 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3866 2006-01-23 Richard Guenther <rguenther@suse.de>
3868 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
3869 before make_edge with conditional EDGE_TRUE_VALUE.
3871 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
3872 Jan Hubicka <jh@suse.cz>
3873 Richard Guenther <rguenther@suse.de>
3875 PR rtl-optimization/25654
3876 * cfgexpand.c (aggregate_contains_union_type): New function.
3877 (add_alias_set_conflicts): Call it. Make sure to add conflicts
3878 for structure variables that contain a union type.
3880 2006-01-23 Richard Sandiford <richard@codesourcery.com>
3882 * gengtype.c (new_structure): Return the structure.
3883 (create_option): Add an extra "next" argument.
3884 (create_field): New function.
3885 (adjust_field_rtx_def): Use create_option and create_field.
3886 Remove a now-unnecessary call to find_structure.
3887 (adjust_field_tree_def): Likewise.
3888 (note_yacc_type): Remove an unnecessary call to find_structure.
3889 * gengtype.h (new_structure): Return the structure.
3890 (create_option): Add an extra argument.
3891 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
3892 (option): Adjust calls to create_option.
3894 2006-01-22 David Edelsohn <edelsohn@gnu.org>
3896 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
3898 2006-01-22 Paul Brook <paul@codesourcery.com>
3899 Peter Barada <peter@the-baradas.com>
3901 * config/m68k/m68k.md: Add Coldfire FPU support.
3902 Define FP mode macro and associated attributes.
3903 Use it for float mode patterns.
3904 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
3905 (LIBCALL_VALUE): Use m68k_libcall_value.
3906 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
3907 (m68k_function_value): Ditto.
3908 (emit_move_sequence): Ditto.
3909 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
3910 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
3911 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
3912 (MULTILIB_EXCEPTIONS): Ditto.
3913 * config/m68k/m68k.opt: Add mcfv4e.
3914 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
3915 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
3916 (m68k_output_function_prologue): Save ColdFire FPU registers.
3917 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
3918 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
3919 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
3920 ColdFire FPU registers.
3921 (m68k_libcall_value, m68k_function_value): New functions.
3922 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
3923 (LIBCALL_VALUE): Use m68k_libcall_value.
3924 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
3925 (MASK_COLDFIRE): Add MASK_CFV4E.
3926 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
3927 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
3928 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
3929 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
3930 (GO_IF_LEGITIMATE_ADDRESS): Use it.
3931 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
3932 * doc/invoke.tex: Document -mcfv4e on m68k.
3934 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
3936 * doc/contribute.texi: Change CVS to SVN and update the corresponding
3939 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
3942 * c-opts.c (c_common_handle_option): Don't include
3943 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
3944 * doc/invoke.texi (C++ Dialect Options): Document that
3945 -Wnon-virtual-dtor is no longer included in -Wall.
3947 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
3949 * gcov.c (print_version), gcov-dump.c (print_version),
3950 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
3953 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
3955 * df-scan.c (problem_SCAN): Added NULL reset function.
3956 (df_scan_reset_blocks): Added code to call reset block function
3957 (df_bb_refs_delete) Fixed comment.
3958 (df_insn_refs_delete): Made tolerant of deleting non existent info
3959 for dataflow problems that need to be reset.
3960 * df-core.c (df_set_blocks): Ditto.
3961 * df.h (struct df_problem): Added reset_fun.
3962 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
3963 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
3964 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
3965 functions to clear out all references to def-use or use-def chains.
3967 2006-01-21 Ben Elliston <bje@au.ibm.com>
3969 * varasm.c (assemble_real): Initialise data array.
3971 2006-01-20 Paul Brook <paul@codesourcery.com>
3973 Merge from csl-arm-branch.
3974 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
3975 * config/arm/arm.md (movdi): Force operands[1] to a register
3976 if we have a non-register source.
3977 (*arm_movdi, *movdf_soft_insn): Require that one of the
3978 operands be a register.
3979 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
3980 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
3982 2006-01-20 DJ Delorie <dj@redhat.com>
3984 * varasm.c (initialize_constant_valid_p): Allow pointers
3985 initialized from integer constants of lesser precision.
3986 (output_constant): Allow non-int-sized pointer modes to be
3987 initialized from integer constants.
3989 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
3992 * cppdefault.h (struct default_include): Add multilib flag.
3993 * cppdefault.c (cpp_include_defaults): Set it.
3994 * c.opt (-imultilib): New option.
3995 * c-opts.c (imultilib): New.
3996 (c_common_handle_option): Handle -imultilib.
3997 (c_common_post_options): Likewise.
3998 * c-incpath.c (add_standard_paths, register_include_chains):
4000 * c-incpath.h (register_include_chains): Add extra parameter.
4001 * gcc.c (do_spec_1): Generate -imultilib option.
4002 (The Specs Language): Update %I description.
4003 (process_command): Update copyright notice.
4004 * doc/cppopts.texi (-imultilib): Document.
4005 * doc/invoke.texi (-imultilib): Include in option summary.
4006 (%I): Update specs documentation.
4008 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4010 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
4012 2006-01-20 Richard Sandiford <richard@codesourcery.com>
4014 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
4017 2006-01-20 Richard Guenther <rguenther@suse.de>
4018 Steven Bosscher <stevenb.gcc@gmail.com>
4020 PR rtl-optimization/24626
4021 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
4022 EDGE_TRUE_VALUE if in RTL mode.
4025 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
4026 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
4028 2006-01-20 Dirk Mueller <dmueller@suse.com>
4031 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
4032 instead of a special NOP marker.
4033 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
4034 NOP marker handling.
4035 * c-common.h (empty_body_warning): Add forward declaration.
4036 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
4037 Now uses IS_EMPTY_STMT() instead of special NOP markers.
4039 2006-01-20 Paul Brook <paul@codesourcery.com>
4041 * Makefile.in (lang_checks): Keep going if mkdir fails.
4043 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4045 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
4046 be able to clean out basic block when not necessary.
4047 (df_scan_free): Fixed to properly delete information if df is
4048 unused before calling df_finish.
4049 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
4050 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
4052 (df_bb_refs_delete): New function.
4053 (df_refs_delete): Moved per block code to df_bb_refs_delete.
4054 * df-core.c (df_set_blocks): Added code to properly clean out
4055 unused blocks if they are not part of the blocks to consider.
4056 Added additional null check.
4057 (df_compact_blocks): Added basic block parameter to free_bb_fun to
4058 be able to clean out basic block when not necessary
4059 * df.h (df_free_bb_function): Ditto.
4060 (df_bb_refs_delete): New function.
4061 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
4062 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
4063 basic block parameter to be able to clean out basic block when not
4065 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
4066 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
4067 Fixed to properly delete information if df is unused before
4070 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4072 PR rtl-optimization/25799
4073 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
4074 Corrected confluence operator to remove bits from op2 before oring
4075 with op1 rather than removing bits from op1.
4076 (df_ru_transfer_function): Corrected test on wrong bitmap which
4077 caused infinite loop. Both of these problems were introduced in
4078 the dataflow rewrite.
4080 2006-01-19 DJ Delorie <dj@redhat.com>
4082 * reload1.c (find_reload_regs): Note the details of reload
4083 failures in the dump file.
4084 (spill_failure): Likewise.
4086 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4088 * loop-iv.c: Include df.h and hashtab.h.
4089 (enum iv_grd_result): New enum.
4090 (DF_REF_IV, DF_REF_IV_SET): New macros.
4091 (struct biv_entry): New.
4092 (df, bivs): New global variables.
4093 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
4094 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
4096 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
4097 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
4098 analyzed_for_bivness_p, record_biv): New functions.
4099 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
4100 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
4101 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
4103 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
4105 (iv_number_of_iterations): Use new interface to iv analysis.
4106 * loop-unroll.c: Do not include varray.h.
4107 (analyze_iv_to_split_insn): Use new interface to iv
4109 * loop-unswitch.c (may_unswitch_on): Ditto.
4110 * df.c (df_bitmaps_free): Only work for bbs for that structures are
4112 (df_bb_modify): Realloc tables to the new index.
4113 (df_find_use): New function.
4114 * df.h (df_find_use): Declare.
4115 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
4117 * cfgloop.h (struct rtx_iv): Remove analysed field.
4118 (iv_get_reaching_def): Removed.
4119 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
4120 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
4121 (loop-iv.o): Add df.h and hashtab.h dependency.
4122 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
4124 2006-01-20 Alan Modra <amodra@bigpond.net.au>
4127 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
4129 (__floatundisf, __floatundidf): Likewise.
4130 * libgcc2.h (IS_IBM_EXTENDED): Define.
4132 2006-01-19 DJ Delorie <dj@redhat.com>
4134 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
4136 2006-01-19 Paul Brook <paul@codesourcery.com>
4138 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
4139 as nothrow when unwinding tables are disabled.
4141 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4144 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
4145 of bit-field" when in system header.
4147 2006-01-19 DJ Delorie <dj@redhat.com>
4149 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
4150 the 16 bit shift limit of the m16c.
4152 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
4155 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
4156 * config/i386/i386.c (output_set_got): Output the label if we have one
4157 for the TARGET_DEEP_BRANCH_PREDICTION case.
4159 2006-01-19 Jan Hubicka <jh@suse.cz>
4160 H.J. Lu <hongjiu.lu@intel.com>
4161 Evandro Menezes <evandro.menezes@amd.com>
4163 * invoke.texi (generic): Document
4165 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
4166 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
4167 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
4168 (x86_use_incdec, x86_pad_returns): New variables
4169 (TARGET_CPU_DEFAULT_generic): New constant
4170 (TARGET_CPU_DEFAULT_NAMES): Add generic.
4171 (enum processor_type): Add generic32 and generic64.
4172 * i386.md (cpu attribute): Add generic32/generic64
4173 (movhi splitter): Behave sanely when both partial_reg_dependency and
4174 partial_reg_stall are set.
4175 (K8 splitters): Enable for generic as well.
4176 * predicates.md (incdec_operand): Use TARGET_INCDEC
4177 (aligned_operand): Avoid memory mismatch stalls.
4178 * athlon.md: Enable for generic64, new patterns for 128bit moves.
4179 * ppro.md: Enable for generic32
4180 * i386.c (generic64_cost, generic32_cost): New.
4181 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
4182 (x86_use_leave): Enable for generic64. (x86_use_sahf,
4183 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
4184 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
4185 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4186 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4187 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4188 x86_accumulate_outgoing_args, x86_prologue_using_move,
4189 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4190 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
4192 (x86_use_incdec, x86_pad_returns): New.
4193 (override_options): Add generic32 and generic64, translate "generic"
4194 to generic32/generic64 and "i686" to "generic32", refuse
4195 "generic32"/"generic64" as arch target.
4196 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
4197 (ix86_reorg): Honor PAD_RETURNS.
4199 2006-01-19 Diego Novillo <dnovillo@redhat.com>
4201 * tree-pretty-print.c (dump_generic_node): Handle
4202 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
4203 * cgraph.c (cgraph_expand_queue): Rename from
4204 cgraph_analyze_queue. Update all users.
4205 * cgraphunit.c (cgraph_assemble_pending_functions): Process
4206 cgraph_expand_queue.
4207 (cgraph_expand_all_functions): Likewise.
4208 (cgraph_finalize_pending_functions): Remove. Update callers.
4210 * tree.h (OMP_DIRECTIVE_P): Define.
4211 (OMP_PARALLEL_FN): Define.
4212 (OMP_PARALLEL_DATA_ARG): Define.
4213 (OMP_SECTIONS_SECTIONS): Define.
4214 * tree-pass.h (pass_expand_omp): Declare.
4215 * omp-low.c (struct omp_region): Declare.
4216 (struct omp_context): Remove fields 'parallel_type',
4217 'parallel_start_ix' and 'parallel_start_additional_args'.
4219 (struct omp_for_data): Rename from struct expand_omp_for_data.
4220 (omp_regions): New static variable.
4221 (root_omp_region): New static variable.
4222 (find_omp_clause): Make static.
4223 (is_in_combined_parallel_ctx): Remove.
4224 (is_combined_parallel): New.
4225 (extract_omp_for_data): Move earlier in the file.
4226 (workshare_safe_to_combine_p): New.
4227 (get_ws_args_for): New.
4228 (determine_parallel_type): Move earlier in the file.
4229 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
4231 (omp_copy_decl): Likewise.
4232 (create_omp_child_function): Likewise.
4233 (lookup_omp_region): New.
4234 (dump_omp_region): New.
4235 (debug_omp_region): New.
4236 (debug_all_omp_regions): New.
4237 (new_omp_region): New.
4238 (scan_omp_parallel): If parallel_nesting_level > 1, the
4239 directive is nested within another parallel directive.
4240 Set OMP_PARALLEL_FN.
4241 (scan_omp_for): Do not try to handle combined parallel+for
4243 Remove FIXME comment.
4244 (scan_omp_nested): Remove.
4245 (scan_omp_1): Do not call scan_omp_nested when
4246 parallel_nesting_level is > 1.
4247 Do not change the DECL_CONTEXT of local variables found.
4248 (lookup_decl_in_outer_ctx): New.
4249 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
4250 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
4251 (lower_reduction_clauses): Rename from expand_reduction_clauses.
4252 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
4253 If CTX is nested, lookup VAR in the outer context when
4254 building copy assignment.
4255 (lower_send_clauses): Rename from expand_send_clauses.
4256 If CTX is nested, lookup VAR in the outer context when
4257 building copy assignments.
4258 (lower_send_shared_vars): Rename from expand_send_shared_vars.
4259 If CTX is nested, lookup VAR in the outer context when
4260 building copy assignments.
4261 (expand_parallel_call): Rename from build_parallel_call.
4262 Handle combined parallel+workshare cases.
4263 Re-implement to emit code into the CFG.
4265 (expand_omp_parallel): Re-implement to emit code into the CFG.
4266 Call move_sese_region_to_fn to outline the sub-graph
4267 containing the parallel region.
4268 (expand_omp_for_1): Remove.
4269 (expand_omp_for_generic): Re-implement to emit code into the
4271 (expand_omp_for_static_nochunk): Likewise.
4272 (expand_omp_for_static_chunk): Likewise.
4273 (expand_omp_for): Likewise.
4274 (expand_omp_sections): Likewise.
4275 (remove_exit_barriers): New.
4276 (expand_omp_synch): New.
4278 (build_omp_regions_1): New.
4279 (build_omp_regions): New.
4280 (execute_expand_omp): New.
4281 (gate_expand_omp): New.
4282 (pass_expand_omp): Define.
4283 (lower_omp_sections): Rename from expand_omp_sections.
4284 Set OMP_SECTIONS_SECTIONS.
4285 (lower_omp_single_simple): Rename from expand_omp_single_simple.
4286 (lower_omp_single_copy): Rename from expand_omp_single_copy.
4287 (lower_omp_single): Rename from expand_omp_simple.
4288 (lower_omp_master): Rename from expand_omp_master.
4289 (lower_omp_ordered): Rename from expand_omp_ordered.
4290 (lower_omp_critical): Rename from expand_omp_critical.
4291 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
4292 (lower_omp_for): Re-implement.
4293 (lower_omp_parallel): Re-implement.
4294 (lower_regimplify): Rename from expand_regimplify.
4295 (lower_omp_1): Rename from expand_omp_1.
4296 If there are syntax errors in the program, replace every
4297 OpenMP directive with NOP.
4298 Call lower_omp_* instead of expand_omp_*.
4299 (lower_omp): Rename from expand_omp.
4301 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
4302 * tree-gimple.h (enum omp_parallel_type): Remove.
4303 (gimple_boolify): Declare extern.
4304 (find_omp_clause, determine_parallel_type): Remove.
4306 * gimple-low.c (lower_omp_directive): New.
4307 (lower_stmt): Call it.
4308 (record_vars_into): Move from ...
4309 (record_vars): ... here.
4310 Call record_vars_into with current_function_decl.
4312 * gimplify.c (struct gimplify_ctx): Remove fields
4313 combined_pre_p and combined_ctxp. Update users.
4314 (get_formal_tmp_var): Add documentation.
4315 (gimple_boolify): Make extern.
4316 (gimplify_expr_in_ctx): Remove. Update callers.
4317 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
4318 will always be a BIND_EXPR.
4319 (gimplify_expr): Handle OMP_RETURN_EXPR.
4320 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
4321 (OMP_PARALLEL): Add 3 operands.
4322 (OMP_SECTIONS): Add 1 operand.
4323 (OMP_RETURN_EXPR): Define.
4325 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
4326 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
4327 * tree-iterator.c (alloc_stmt_list): Assert that we are not
4328 creating a circular free list.
4329 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
4331 * tree-flow.h (move_sese_region_to_fn): Declare.
4332 (record_vars_into): Declare.
4333 * tree-cfg.c (make_omp_sections_edges): New.
4334 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
4335 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
4336 OMP_SECTIONS and OMP_SECTION.
4337 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
4338 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
4339 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
4340 (gather_blocks_in_sese_region): New.
4341 (struct move_stmt_d): Declare.
4343 (move_block_to_fn): New.
4344 (move_sese_region_to_fn): New.
4346 * passes.c (init_optimization_passes): Schedule
4347 pass_expand_omp after pass_init_datastructures.
4349 * tree-ssa-operands.c (get_expr_operands): Handle
4350 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
4351 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
4353 2006-01-19 Jeff Law <law@redhat.com>
4355 * tree-vrp.c (extract_range_from_assert): Refine the result range
4356 if the variable referenced by the ASSERT_EXPR has a range and
4357 either the tentative result range or the previous range is a
4360 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4362 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
4364 2006-01-19 Jan Hubicka <jh@suse.cz>
4366 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
4368 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
4370 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
4371 (expand_compound_operation, expand_field_assignment): Fail if the
4372 bit lengths of an extract operation are out of range.
4373 (make_extraction): Compute wanted_inner_mode based on the position
4374 and length of the extraction. Make it extraction_mode for non-constant
4375 positions, and do not modify offset in that case. When generating a
4376 new MEM, use a mode that can hold the extraction while keeping correct
4377 alignment. Remove code that supported MEMs wrapped by USEs.
4378 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
4380 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
4382 * config/s390/s390.md ("Y", "y"): New mode attribute.
4383 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
4384 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
4385 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
4386 "*addsi3_imm_cc", "*addsi3_carry1_cc",
4387 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
4388 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
4389 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
4390 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
4391 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
4392 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
4393 "addsi3", "subsi3"): Insn patterns removed.
4394 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
4395 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
4396 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
4397 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
4398 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
4399 "*sub<mode>3_cconly2"): New insn patterns.
4400 ("addsi3", "subsi3"): New expanders.
4402 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
4404 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
4405 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
4406 existing STMT_VINFO_VECTYPE if available.
4407 (vect_mark_relevant): Add special handling for stmts that are
4408 marked as STMT_VINFO_IN_PATTERN_P.
4409 (vect_analyze_loop): Call vect_pattern_recog.
4410 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
4411 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
4413 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
4414 (vect_recog_func_ptr): New function-pointer type.
4415 * tree-vect-patterns.c: New file.
4416 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
4417 (vect_recog_dot_prod_pattern, vect_pattern_recog):
4418 (vect_pattern_recog_1): New functions.
4419 (vect_pattern_recog_funcs): New array of function pointers.
4421 * tree-vectorizer.h (ternary_op): New enum value.
4422 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
4423 declaration. Revised documentation. Removed redundant dump prints.
4424 Removed redundant argument. Added support for reduction patterns.
4425 (vectorizable_reduction): Added support for reduction patterns.
4426 (vect_transform_stmt): Added support for patterns.
4428 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
4429 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
4430 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
4431 (expand_widen_pattern_expr): New function.
4432 (init_optabs): Initialize new optabs udot_prod_optab,
4434 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
4435 (sdot_prod_optab, udot_prod_optab): Define new optabs.
4436 (expand_widen_pattern_expr): New function declaration.
4437 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
4439 * tree-inline.c (estimate_num_insns_1): Added cases for new
4440 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4441 * tree-pretty-print.c (dump_generic_node): Likewise.
4442 (op_prio): Likewise.
4443 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4444 * tree-ssa-operands.c (get_expr_operands): Added case for
4446 * tree-vect-patterns.c (widened_name_p): New function.
4447 (vect_recog_dot_prod_pattern): Added function implementation.
4448 * tree-vect-transform.c (get_initial_def_for_reduction): Added
4449 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
4450 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
4451 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
4453 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
4454 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
4455 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
4456 (init_optabs): Initialize new optabs widen_ssum_optab,
4458 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
4459 (widen_ssum_optab, widen_usum_optab): Define new optabs.
4460 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
4461 use instead of type of def.
4462 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
4463 function implementation.
4464 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
4465 widen_ssumv8hi): New.
4467 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
4470 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4473 * c-decl.c (add_flexible_array_elts_to_size): New function.
4474 (finish_decl): Use it.
4476 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
4478 * diagnostic.h: Include options.h.
4479 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
4480 dependancies for diagnostic.h.
4481 * Makefile.in (DIAGNOSTIC_H): Add options.h.
4483 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
4485 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
4486 (ssa_ro_call_cache_valid): Ditto.
4487 * tree-ssa-alias.c (sort_tags_by_id): New function.
4488 (init_transitive_clobber_worklist): Ditto.
4489 (add_to_worklist): Ditto.
4490 (mark_aliases_call_clobbered): Ditto.
4491 (compute_tag_properties): Ditto.
4492 (set_initial_properties): Ditto.
4493 (compute_call_clobbered): Ditto.
4494 (compute_may_aliases): Call compute_call_clobbered and grouping.
4495 (compute_flow_sensitive_aliasing): Remove clobbering related code.
4496 (compute_flow_insensitive_aliasing): Grouping now happens in our
4498 (setup_pointers_and_addressables): Remove clobbering related code.
4499 (add_may_alias): Ditto.
4500 (replace_may_alias): Ditto.
4501 (get_nmt_for): Ditto.
4502 (create_global_var):
4503 (is_escape_site): Return an escape_type enumeration.
4504 * tree-flow-inline.h (is_call_clobbered): Global var does not
4505 imply call clobbered.
4506 (mark_call_clobbered): Take a reason for marking this. Remove
4507 marking of globalness, and cache invalidation.
4508 (clear_call_clobbered): Remove cache invalidation code.
4509 * tree-dfa.c (dump_variable): If details is on, dump the reason
4511 * tree-outof-ssa.c (create_temp): Copy escape mask from original
4513 * tree-flow.h (struct ptr_info_def): Add escape mask member.
4514 (struct var_ann_d): Ditto.
4515 (enum escape_type): New.
4516 (mark_call_clobbered): Adjust prototype.
4517 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
4518 are never call clobbered.
4519 Record reasons for escaping.
4520 * tree-ssa-structalias.h (is_escape_site): Update prototype.
4521 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
4522 (ssa_ro_call_cache_valid): Ditto.
4523 (clobbered_v_may_defs): Ditto.
4524 (clobbered_vuses): Ditto.
4525 (ro_call_vuses): Ditto.
4526 (clobber_stats): New.
4527 (init_ssa_operands): Zero out clobber stats.
4528 (fini_ssa_operands): Print out clobber stats.
4529 (get_call_expr_operands): Pass callee fndecl to
4531 (add_call_clobber_ops): Remove use of cache.
4532 Add use of PURE_CONST information.
4533 (add_call_read_ops): Remove use of cache.
4534 Add use of static not_read information.
4536 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
4538 Introduce TLS descriptors for i386 and x86_64.
4539 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
4540 (TARGET_ANY_GNU_TLS): New macro.
4541 (enum tls_dialect): Added TLS_DIALECT_GNU2.
4542 (struct machine_function): Add tls_descriptor_call_expanded_p.
4543 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
4544 (ix86_current_function_calls_tls_descriptor): Likewise.
4545 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
4546 (override_options): Introduce gnu2 tls dialect.
4547 (ix86_frame_pointer_required): Functions containing TLSCALLs are
4549 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
4551 (legitimize_tls_address): Adjust logic for GNU2 TLS.
4552 (ix86_init_machine_status): Initialize new field.
4553 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
4554 (ix86_tls_module_base): New.
4555 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
4556 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
4557 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
4558 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
4559 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
4560 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
4561 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
4562 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
4563 * config/i386/predicates.md (tls_modbase_operand): New.
4564 (tp_or_register_operand): New.
4566 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
4568 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
4569 (look_for_address_of): Ditto.
4570 (ipa_init): Walk the function decls.
4571 (static_execute): Don't set readonly on FUNCTION_DECL's.
4573 2006-01-18 Roger Sayle <roger@eyesopen.com>
4575 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
4576 for shifts where the source and destination registers are different.
4578 2006-01-18 Paul Brook <paul@codesourcery.com>
4580 Merge from csl-arm-branch.
4581 2005-03-14 Julian Brown <julian@codesourcery.com>
4582 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
4583 (aeabi_llsl): Likewise.
4584 (ashrdi3): Likewise.
4585 (aeabi_lasr): Likewise.
4586 (lshrdi3): Likewise.
4587 (aeabi_llsr): Likewise.
4588 2005-03-10 Julian Brown <julian@codesourcery.com>
4589 * config.gcc: Disable shared libgcc for SymbianOS.
4590 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
4592 2006-01-18 DJ Delorie <dj@redhat.com>
4594 * c-pragma.c (handle_pragma_diagnostic): New.
4595 (init_pragma): Register it.
4596 * doc/extend.texi: Document it.
4598 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
4599 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
4600 (diagnostic_context): Add classify_diagnostic[].
4601 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
4602 as errors if they're overridden to DK_WARNING.
4603 (diagnostic_initialize): Initialize classify_diagnostic[].
4604 (diagnostic_set_kind_override): New.
4605 (diagnostic_report_diagnostic): Check for kind changes.
4606 * opts.c (common_handle_option): Take lang_mask. Update callers.
4608 * common.opt (Werror=): New.
4609 * doc/invoke.texi: Document -Werror=*
4611 2006-01-18 Jeff Law <law@redhat.com>
4613 * tree-vrp.c (test_for_singularity): Correct test for new
4614 min limit. Use operand_equal_p rather than pointer equality
4615 for testing if new min/max values are equal.
4617 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
4618 using range information until after propagation and folding.
4620 2006-01-18 Richard Henderson <rth@redhat.com>
4621 Aldy Hernandez <aldyh@redhat.com>
4622 Jakub Jelinek <jakub@redhat.com>
4623 Diego Novillo <dnovillo@redhat.com>
4625 * omp-low.c: New file.
4626 * c-omp.c: New file.
4628 2006-01-18 Richard Henderson <rth@redhat.com>
4629 Jakub Jelinek <jakub@redhat.com>
4630 Diego Novillo <dnovillo@redhat.com>
4632 * doc/invoke.texi: Document -fopenmp.
4633 * tree-dump.h (debug_function): Declare.
4634 * hooks.c (hook_bool_tree_bool_false): New function.
4635 (hook_tree_tree_null): Remove.
4636 (hook_tree_tree_tree_null): New.
4637 * hooks.h: Update to match.
4638 * tree-pretty-print.c (debug_tree_chain): New.
4639 (print_generic_expr): Handle TDF_CHAIN.
4640 (dump_generic_node): Handle BLOCK.
4641 Do not abort with incomplete SWITCH_EXPRs.
4642 Do not dump body of an OpenMP directive if TDF_SLIM is given.
4643 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
4644 print space after directive name.
4645 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
4646 Handle OMP_MASTER and OMP_ORDERED.
4647 Handle printing of OMP_BODY just in one place, goto
4648 dump_omp_body in the rest of OMP_* nodes that have
4650 Don't handle clause nodes here. Update omp statements to
4651 use dump_omp_clauses.
4652 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
4653 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
4654 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
4655 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
4656 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
4657 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
4658 Adjust output for GOMP_PARALLEL.
4659 (dump_omp_clauses): New.
4660 (print_declaration): Dump DECL_VALUE_EXPR.
4661 (op_symbol_1): Split out of op_symbol.
4662 (dumping_stmts): Remove. Update all users.
4663 * cgraph.c (cgraph_analyze_queue): New.
4664 (cgraph_add_new_function): New.
4665 * cgraph.h (cgraph_analyze_queue): Declare.
4666 (cgraph_add_new_function): Declare.
4667 (cgraph_lower_function): Remove.
4668 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
4669 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
4670 and TYPE_P nodes in its default clause.
4671 (empty_body_p): New.
4672 (tree_range_check_failed): New.
4674 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
4675 OMP_CLAUSE_REDUCTION_MERGE,
4676 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
4677 OMP_CLAUSE_PRIVATE_DEBUG,
4678 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
4679 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
4680 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
4681 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
4682 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
4683 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
4684 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
4685 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
4686 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
4687 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
4688 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
4689 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
4690 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
4691 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
4692 (TREE_RANGE_CHECK): New.
4693 (empty_body_p): Declare.
4694 (enum omp_clause_default_kind): New.
4695 (build_string_literal): Declare.
4696 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
4697 (build5_stat, build5): Declare.
4698 * tree-pass.h (TDF_CHAIN): Define.
4699 * tree-pass.h (PROP_gimple_lomp): Define.
4700 (pass_lower_omp): Declare.
4701 * diagnostic.h (debug_tree_chain): Declare.
4702 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
4704 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
4705 * builtins.c (build_string_literal): Make extern.
4706 * gcc.c (include_spec_function): New.
4707 (static_spec_functions): Add it.
4708 (main): Move load of libgomp.spec ...
4709 (LINK_COMMAND_SPEC): ... here.
4710 (link_gomp_spec): New.
4711 (static_specs): Include it.
4712 (LINK_COMMAND_SPEC): Add link_gomp.
4713 (GOMP_SELF_SPECS): New.
4714 (driver_self_specs): Include it.
4715 (switch_matches): Don't mark inline.
4716 (main): Load libgomp.spec.
4717 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
4718 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
4719 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
4720 * tree-gimple.h (enum omp_parallel): Declare.
4721 (determine_parallel_type): Declare.
4722 (omp_firstprivatize_variable): Declare.
4723 (omp_reduction_init): Declare.
4724 (diagnose_omp_structured_block_errors): Declare.
4725 (struct walk_stmt_info): Add want_return_expr.
4726 (struct walk_stmt_info): Add want_bind_expr, want_locations.
4727 (find_omp_clause): Declare.
4728 (insert_field_into_struct): Declare.
4729 (struct walk_stmt_info): Move from tree-nested.c
4730 (walk_stmts): Declare.
4731 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
4733 * cgraphunit.c (cgraph_lower_function): Make static.
4734 (cgraph_finalize_pending_functions): New.
4735 (cgraph_finalize_function): Call it.
4736 (cgraph_finalize_compilation_unit): Likewise.
4737 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
4738 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
4739 (BT_FN_UINT_UINT): New.
4740 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
4741 DEF_FUNCTION_TYPE_VAR_4): Document.
4742 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
4743 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
4744 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
4745 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
4746 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
4747 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
4748 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
4749 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
4750 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
4751 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
4752 into separate files.
4753 (DEF_GOMP_BUILTIN): New.
4754 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
4755 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
4756 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
4757 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
4758 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
4759 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
4760 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
4761 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
4762 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
4763 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
4764 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
4765 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
4766 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
4767 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
4768 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
4769 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
4770 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
4771 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
4772 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
4773 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
4774 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
4775 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
4776 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
4777 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
4778 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
4779 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
4780 * sync-builtins.def: New file, moved from builtins.def.
4781 * omp-builtins.def: New file, moved from builtins.def.
4782 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
4783 * gimple-low.c (lower_function_body): Clear data.
4784 (lower_stmt): Do not handle COMPOUND_EXPR.
4785 Remove call to print_node_brief.
4786 * c-tree.h (c_finish_omp_clauses): New prototype.
4787 (C_DECL_THREADPRIVATE_P): Define.
4788 (lookup_name_no_remap, c_omp_remap_private): Remove
4789 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
4790 (check_for_loop_decls): Update decl.
4791 (lookup_name_no_remap, c_omp_remap_private): Declare.
4792 (build_indirect_ref, build_modify_expr, pushdecl,
4793 pushdecl_top_level): Move to c-common.h.
4794 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
4795 before the switch, but just in the 2 places that need it.
4796 * c-decl.c (diagnose_mismatched_decls): Do not check for
4797 mismatched thread-local attributes when OLDDECL is marked
4798 threadprivate and NEWDECL has no thread-local attributes.
4799 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
4800 (c_gimple_diagnostics_recursively): Rename from
4801 c_warn_unused_result_recursively. Invoke
4802 diagnose_omp_structured_block_errors.
4803 (check_for_loop_decls): Return a singular decl found.
4804 * langhooks.c (lhd_omp_predetermined_sharing): Return
4805 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
4806 (lhd_omp_firstprivatize_type_sizes): New.
4807 (lhd_omp_assignment): New.
4808 (lhd_omp_predetermined_sharing): New.
4809 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
4810 (struct lang_hooks_for_types): Add
4811 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
4812 omp_predetermined_sharing, omp_disregard_value_expr,
4813 omp_private_debug_clause, omp_clause_default_ctor,
4814 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
4815 (c_finish_omp_clauses): New.
4816 (c_finish_bc_stmt): Diagnose break within omp for.
4817 (c_begin_omp_parallel, c_finish_omp_parallel): New.
4818 (build_unary_op): Return error_mark after reporting
4820 (build_modify_expr): Likewise.
4821 * gimplify.c: Include optabs.h and pointer-set.h.
4822 (enum gimplify_omp_var_data): Declare.
4823 (struct gimplify_omp_ctx): Declare.
4824 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
4826 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
4827 (push_gimplify_context, pop_gimplify_context): Allow nesting.
4828 (splay_tree_compare_decl_uid): New.
4829 (new_omp_context): New.
4830 (delete_omp_context): New.
4831 (gimple_add_tmp_var): Call omp_add_variable.
4832 (gimplify_bind_expr): Likewise.
4833 (gimplify_var_or_parm_decl): If omp_notice_variable returned
4834 true, disregard DECL_VALUE_EXPR on the decl if any.
4835 (gimplify_expr_in_ctx): New.
4836 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
4837 omp_add_variable, omp_notice_variable, omp_is_private
4838 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
4839 gimplify_adjust_omp_clauses, gimplify_omp_parallel
4840 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
4841 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
4842 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
4843 gimplify_omp_atomic): New.
4844 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
4845 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
4846 OMP_CRITICAL and OMP_ATOMIC.
4847 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
4848 * c-pragma.h (enum pragma_kind): Add
4849 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
4850 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
4851 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
4852 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
4853 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
4854 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
4855 PRAGMA_OMP_THREADPRIVATE.
4856 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
4857 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
4858 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
4859 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
4860 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
4861 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
4862 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
4863 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
4864 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
4865 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
4866 * tree-ssa-dce.c (find_control_dependence): Do not assume that
4867 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
4868 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
4870 (struct nesting_info): Add field_map,
4871 suppress_expansion, debug_var_chain.
4872 (create_nesting_tree): Initialize them.
4873 (lookup_field_for_decl): Use field_map.
4874 (get_nonlocal_debug_decl, get_local_debug_decl): New.
4875 (convert_local_omp_clauses): New.
4876 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
4877 (walk_body): Split out of walk_function.
4878 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
4879 (convert_nonlocal_reference): Handle omp statements.
4880 (convert_local_reference): Likewise.
4881 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
4882 (unnest_nesting_tree): New.
4883 (lower_nested_functions): Call it.
4884 (insert_field_into_struct): Make extern.
4885 (struct walk_stmt_info): Move to tree-gimple.h.
4886 (walk_stmts): Make extern.
4887 * omp-builtins.def: New file.
4888 * tree-iterator.c (expr_only): Clarify comment.
4889 * c-common.h (pushdecl_top_level, pushdecl,
4890 build_modify_expr, build_indirect_ref,
4891 c_finish_omp_master, c_finish_omp_critical,
4892 c_finish_omp_ordered, c_finish_omp_barrier,
4893 c_finish_omp_atomic, c_finish_omp_flush,
4894 c_finish_omp_for, c_split_parallel_clauses,
4895 omp_clause_default_kind, c_omp_sharing_predetermined,
4896 c_omp_remap_decl): Declare.
4897 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
4898 (OBJS-common): Add omp-low.o.
4899 (c-omp.o, omp-low.o): Add.
4900 (gimplify.o): Add dependency on $(OPTABS_H).
4901 (GTFILES): Add omp-low.c.
4902 (gt-stringpool.h): Add.
4903 * tree-cfg.c (set_bb_for_stmt): Do not update the
4904 block-to-labels map if we are currently expanding to RTL.
4905 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
4907 Handle IDENTIFIER_NODE.
4908 (tree_verify_flow_info): Do not ICE when emitting error
4909 messages about invalid labels.
4910 (dump_function_to_file): Reset CFUN before emitting the body
4912 (debug_function): New.
4913 * passes.c (init_optimization_passes): Schedule
4915 * langhooks-def.h (lhd_omp_predetermined_sharing,
4916 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
4918 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
4919 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
4920 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
4921 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
4922 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
4923 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
4924 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
4925 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
4926 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
4927 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
4928 (LANG_HOOK_DECLS): Use them.
4930 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
4931 Richard Henderson <rth@redhat.com>
4932 Jakub Jelinek <jakub@redhat.com>
4933 Diego Novillo <dnovillo@redhat.com>
4935 * c-parser.c (pragma_omp_clause): Define.
4936 (c_parser_declaration_or_fndef): Document OpenMP syntax.
4937 (c_parser_compound_statement): Likewise.
4938 (c_parser_statement): Likewise.
4939 (c_parser_pragma): Handle omp pragmas.
4940 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
4941 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
4942 (c_parser_omp_clause_name, check_no_duplicate_clause,
4943 c_parser_omp_variable_list,
4944 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
4945 c_parser_omp_clause_copyprivate,
4946 c_parser_omp_clause_default,
4947 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
4948 c_parser_omp_clause_lastprivate,
4949 c_parser_omp_clause_nowait,
4950 c_parser_omp_clause_num_threads,
4951 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
4952 c_parser_omp_clause_reduction,
4953 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
4954 c_parser_omp_all_clauses, c_parser_omp_structured_block,
4955 c_parser_omp_atomic, c_parser_omp_barrier,
4956 c_parser_omp_critical, c_parser_omp_flush,
4957 c_parser_omp_for_loop, c_parser_omp_for,
4958 c_parser_omp_master, c_parser_omp_ordered,
4959 c_parser_omp_sections_scope, c_parser_omp_sections,
4960 c_parser_omp_parallel, c_parser_omp_single,
4961 c_parser_omp_construct, c_parser_omp_threadprivate): New.
4962 * c-pragma.c (init_pragma): Do omp pragma registration here.
4963 * c.opt (fopenmp): New flag.
4965 2006-01-18 Eric Christopher <echristo@apple.com>
4967 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
4968 * config/darwin.h (GOMP_SELF_SPECS): Define.
4970 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4972 * rtl.h: Remove the prototype for reg_alloc.
4974 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4977 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
4978 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
4979 sjlj and dwarf2 exception handling.
4980 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
4981 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
4982 * pa/pa.c (function_value): Treat complex and vector types as
4984 (function_arg): Likewise. Only pass scalar floats in the floating
4985 point argument registers.
4986 * pa/t-slibgcc-dwarf-ver: New file.
4987 * pa/t-slibgcc-sjlj-ver: New file.
4988 * pa/t-slibgcc-elf-ver: Delete file.
4990 2006-01-19 Alan Modra <amodra@bigpond.net.au>
4992 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
4993 unlikely_test_section_p test.
4995 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4997 * mode-switching.c (optimize_mode_switching): Make it static.
4998 * basic-block.h: Remove the prototype for
4999 optimize_mode_switching.
5001 * modulo-sched.c (sms_schedule): Make it static.
5002 * rtl.h: Remove the prototype for sms_schedule.
5004 * postreload-gcse.c (gcse_after_reload_main): Make it static.
5005 * rtl.h: Remove the prototype for gcse_after_reload_main.
5007 * reg-stack.c (reg_to_stack): Make it static.
5008 * rtl.h: Remove the prototype for reg_to_stack.
5010 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
5012 * rtl.h: Remove the prototypes for regrename_optimize and
5013 copyprop_hardreg_forward.
5015 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
5017 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
5018 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
5019 Test against the appropriate null constant for the mode.
5020 If 'fixup_overlap' is true, swap the operands if they overlap.
5021 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
5022 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
5023 alpha_split_tmode_pair and adjust for above change.
5024 * config/alpha/alpha.md (movtf_internal): Adjust call to
5025 alpha_split_tfmode_pair and rely on it to swap the operands.
5026 (movti_internal): New insn and post-reload splitter.
5027 (movti): New expander.
5029 2006-01-18 Philippe De Muyter <phdm@macqel.be>
5031 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
5034 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5036 * rtlanal.c (global_reg_mentioned_p_1,
5037 global_reg_mentioned_p): Remove.
5038 * rtl.h: Remove the prototype for global_reg_mentioned_p.
5040 * flow.c (initialize_uninitialized_subregs): Make it static.
5041 * rtl.h: Remove the prototype for
5042 initialize_uninitialized_subregs.
5044 * function.c (instantiate_virtual_regs): Make it static.
5045 * function.h: Remove the prototype for
5046 instantiate_virtual_regs.
5048 * regmove.c (regmove_optimize, combine_stack_adjustments):
5050 * rtl.h: Remove the prototypes for regmove_optimize and
5051 combine_stack_adjustments.
5053 2006-01-17 Roger Sayle <roger@eyesopen.com>
5055 * config/i386/i386.c (COSTS_N_BYTES): New macro.
5056 (size_cost): Encode costs in bytes so that a reg-reg addition is
5057 equivalent to COSTS_N_INSNS(1).
5058 (override_options): Use the size_cost.branch_cost as the default
5059 ix86_branch_cost when optimizing for size.
5061 2006-01-18 Ben Elliston <bje@au.ibm.com>
5063 * Makefile.in (D32PBIT_FUNCS): New.
5064 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
5065 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
5066 D64PBIT_FUNCS and D128PBIT_FUNCS.
5067 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
5068 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
5070 (decnumber_dep): Define.
5071 * doc/libgcc.texi (Decimal float library routines): New node.
5072 * config/dfp-bit.h, config/dfp-bit.c: New files.
5074 2006-01-18 Ben Elliston <bje@au.ibm.com>
5076 * expr.c (emit_move_change_mode): Always adjust addresses, not
5077 just during reload. Copy replacements only during reload.
5078 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
5079 emit_move_via_integer.
5081 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
5083 * Makefile.in (check-%, check-consistency): Use $${srcdir}
5084 instead of $(srcdir) and ${srcdir}.
5086 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
5090 * arm.h (struct machine_function): Add pic_reg.
5091 * arm.c (arm_pic_register): Make unsigned.
5092 (arm_override_options): Only set arm_pic_register if
5093 TARGET_SINGLE_PIC_BASE.
5094 (use_return_insn): Only test for a pic register if it is fixed.
5095 (arm_compute_save_reg0_reg12_mask): Likewise.
5096 (thumb_compute_save_reg_mask): Likewise.
5097 (legitimate_pic_operand): Factor out some known invariants.
5098 (legitimize_pic_address): If we don't have a fixed pic register,
5099 then set up a pseudo in the function entry sequence. Handle the
5100 pic base being in a pseudo.
5101 (arm_load_pic_register): Handle the pic register being in a pseudo.
5102 (arm_expand_prologue): Only set up the pic register if it is fixed.
5103 (thumb_expand_prologue): Likewise.
5104 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
5105 (pic_load_addr_based_insn): Likewise.
5106 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
5109 2006-01-18 Ben Elliston <bje@au.ibm.com>
5111 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
5112 decimal float modes for all floating point registers.
5114 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
5115 match_code "mem" with match_test "macho_lo_sum_memory_operand".
5117 2006-01-17 Jakub Jelinek <jakub@redhat.com>
5120 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
5121 even when the pointer is not NULL.
5123 2006-01-16 Ian Lance Taylor <ian@airs.com>
5125 * common.opt (ftoplevel-reorder): New option.
5126 * cgraph.c (cgraph_asm_nodes): New global variable.
5127 (cgraph_asm_last_node): New static variable.
5128 (cgraph_order): New global variable.
5129 (cgraph_create_node): Set new order field.
5130 (cgraph_varpool_node): Likewise.
5131 (decide_is_variable_needed): Return true if not
5132 flag_toplevel_reorder.
5133 (cgraph_add_asm_node): New function.
5134 * cgraph.h (struct cgraph_node): Add order field.
5135 (struct cgraph_varpool_node): Add order field.
5136 (struct cgraph_asm_node): Define.
5137 (cgraph_asm_nodes, cgraph_order): Declare.
5138 (cgraph_add_asm_node): Declare.
5139 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
5141 (cgraph_varpool_assemble_pending_decls): Call it.
5142 (cgraph_output_pending_asms): New static function.
5143 (cgraph_finalize_compilation_unit): Call it.
5144 (struct cgraph_order_sort): Define.
5145 (cgraph_output_in_order): New static function.
5146 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
5147 !flag_toplevel_reorder case.
5148 * c-parser.c: Include "cgraph.h".
5149 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
5151 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
5152 than -fno-unit-at-a-time.
5153 * doc/invoke.texi (Option Summary): Mention
5154 -fno-toplevel-reorder.
5155 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
5156 -funit-at-a-time documentation.
5158 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
5159 Kazu Hirata <kazu@codesourcery.com>
5161 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
5163 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
5165 * Makefile.in (FUNCTION_H): New. Use it instead of
5166 function.h throughout the file.
5167 * function.h: Include tree.h.
5169 2006-01-17 Ben Elliston <bje@au.ibm.com>
5171 * recog.c: Separate some functions with whitespace.
5173 2006-01-16 Richard Henderson <rth@redhat.com>
5175 Merge from gomp branch:
5176 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
5177 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
5178 and rename from struct inline_data. Rename callee* to dst*;
5179 caller* to src*; add copy_decl hook, transform_call_graph_edges,
5180 transform_new_cfg, transform_return_to_modify, and
5181 transform_lang_insert_block flags; remove cloning_p, versioning_p,
5183 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
5184 (copy_decl_for_dup): Remove.
5185 * tree-inline.c (struct inline_data): Move to header.
5186 (insert_decl_map): Export.
5187 (remap_decl): Update for member name changes. Use copy_decl hook.
5188 Allow for replacement to be a non-decl. Remove dead code.
5189 (remap_type_1): Check for existing mapping.
5190 (remap_type): Export.
5191 (remap_decls): Update for member name changes.
5192 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
5193 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
5194 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
5195 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
5196 (tree_function_versioning, build_duplicate_type): Likewise.
5197 (copy_body_r): Likewise. Export.
5198 (copy_decl_for_dup): Split into ...
5199 (copy_decl_for_dup_finish, copy_decl_to_var,
5200 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
5201 (replace_ref_tree, inlining_p): Remove.
5203 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5205 * ifcvt.c (if_convert): Make it static.
5206 * rtl.h: Remove the prototype for if_convert.
5208 * local-alloc.c (local_alloc): Make it static.
5209 * rtl.h: Remove the prototype for local_alloc.
5211 * loop.c (loop_optimize): Make it static.
5212 * cfgloop.h: Remove the prototype for loop_optimize.
5215 2006-01-16 DJ Delorie <dj@redhat.com>
5217 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
5220 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5222 * pa.md: Disparage copies between general and floating-point registers
5223 in 32-bit move patterns.
5225 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
5228 * Makefile.in (check-%): Depend on site.exp instead of
5229 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
5232 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5234 * global.c (global_alloc): Make it static.
5235 * rtl.h: Remove the prototype for global_alloc.
5237 2006-01-16 Richard Guenther <rguenther@suse.de>
5239 * tree-ssa-alias.c (struct used_part): Add write_only field.
5240 (get_or_create_used_part_for): Initialize it to true.
5241 (create_overlap_variables_for): Don't create structure variables
5242 for structures that only are written to.
5243 (find_used_portions): Handle MODIFY_EXPR to track whether a
5244 structure is only written to.
5246 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5248 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
5250 * basic-block.h: Remove the prototype for
5251 partition_hot_cold_basic_blocks.
5253 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
5255 * cppspec.c (lang_specific_spec_functions): Remove.
5256 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
5257 * gcc.h (lang_specific_spec_functions): Remove.
5258 * gccspec.c (lang_specific_spec_functions): Remove.
5260 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
5262 * combine.c (record_value_for_reg): Invalidate registers
5264 (record_dead_and_set_regs_1): Likewise, by passing them to
5265 record_value_for_reg.
5266 (record_dead_and_set_regs): Invalidate stores made by a
5267 call. We do not combine across a call, but we still
5268 relied on equivalences.
5270 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5272 * tree-vrp.c (extract_range_from_binary_expr): Cope with
5273 vrp_int_const_binop returning non-constant nodes.
5275 2006-01-16 Paul Brook <paul@codesourcery.com>
5277 * config/m68k/m68k.c (output_move_const_into_data_reg):
5278 Output correct mnemonic for mvz and mvs.
5280 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
5282 * rtl-factoring.c: Add sequence abstraction algorithm.
5283 * cfgcleanup.c (outgoing_edges_match): Extra checks.
5284 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
5286 (block_has_preserve_label): New function.
5287 * common.opt: Register new pass.
5288 * Makefile.in: Ditto.
5290 * timevar.def: Ditto.
5291 * tree-pass.h: Ditto.
5292 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
5293 * rtl.h (make_jump_insn_raw): Add forward decl.
5294 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
5296 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5297 Roger Sayle <roger@eyesopen.com>
5299 * fold-const.c (fold_minmax): New static function.
5300 (fold_binary) <MIN_EXPR>: Call it.
5301 <MAX_EXPR>: Likewise.
5302 * stor-layout.c (place_field): Use DECL_SIZE consistently
5303 in the computation of the new record size.
5305 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5307 * cse.c (cse_condition_code_reg): Make it static.
5308 * rtl.h: Remove the prototype for cse_condition_code_reg.
5310 * combine.c (combine_instructions): Make it static.
5311 * rtl.h: Remove the prototype for combine_instructions.
5313 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5316 * tree.c (get_file_function_name_long): Concatenate the first global
5317 object name with a string derived from the input filename of the object
5320 2006-01-16 Ben Elliston <bje@au.ibm.com>
5322 * config/i386/winnt-stubs.c: Update FSF address.
5323 * config/xtensa/ieee754-df.S: Ditto.
5324 * config/xtensa/ieee754-sf.S: Ditto.
5326 2006-01-14 Ian Lance Taylor <ian@airs.com>
5328 * ifcvt.c (noce_init_if_info): New static function, broken out of
5329 noce_process_if_block.
5330 (noce_process_if_block): Call noce_init_if_info.
5331 (check_cond_move_block): New static function.
5332 (cond_move_process_if_block): New static function.
5333 (process_if_block): Call cond_move_process_if_block.
5335 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
5337 * cselib.c (hash_table): Rename to cselib_hash_table.
5338 (cselib_clear_table, discard_useless_values,
5339 remove_useless_values, cselib_lookup_mem, cselib_lookup,
5340 cselib_init, cselib_finish): Adjust uses of hash_table.
5342 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
5344 PR tree-optimization/25485
5345 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
5346 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
5347 is known to be false and true, respectively.
5349 2006-01-14 Richard Guenther <rguenther@suse.de>
5351 PR tree-optimization/22548
5352 PR tree-optimization/22555
5353 PR tree-optimization/22501
5354 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
5355 * params.def (salias-max-array-elements): New parameter.
5356 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
5357 * doc/invoke.texi (salias-max-array-elements): Document.
5358 * tree-flow-inline.h (var_can_have_subvars): We also handle
5360 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
5362 * tree-ssa-structalias.c (params.h): Include.
5363 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
5364 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
5365 (get_constraint_for): For ADDR_EXPR operating on something
5366 containing an ARRAY_REF, add all subvars to the solution.
5367 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
5368 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
5369 for creating MUST_DEFs.
5370 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
5372 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
5374 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
5376 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
5377 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5378 number_of_iterations_le): New functions.
5379 (number_of_iterations_special): Removed.
5380 (number_of_iterations_exit): Do not use number_of_iterations_special.
5381 * tree.c (unsigned_type_for): Always return integer type.
5383 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
5384 Richard Guenther <rguenther@suse.de>
5386 PR rtl-optimization/24257
5387 * gcse.c (find_moveable_store): Only consider a store movable
5388 when the SET_SRC of the insn can be assigned to a register.
5390 2006-01-14 Ian Lance Taylor <ian@airs.com>
5392 * tree.c (tree_not_class_check_failed): New function.
5393 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
5394 (tree_not_class_check_failed): Declare.
5396 2006-01-13 Ian Lance Taylor <ian@airs.com>
5398 * reload1.c (do_output_reload): Add assertion rejecting a
5401 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
5403 * combine.c (struct reg_stat): Add new fields truncation_label and
5405 (record_value_for_reg): Reset truncated_to_mode.
5406 (record_truncated_value): New function.
5407 (check_promoted_subreg): Call it. Rename to check_conversions.
5408 (combine_instructions): Rename check_promoted_subreg to
5410 (reg_truncated_to_mode): New function.
5411 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
5412 (gen_lowpart_or_truncate): New function.
5413 (force_to_mode): Use it instead of gen_lowpart.
5415 2006-01-13 Diego Novillo <dnovillo@redhat.com>
5417 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
5418 VAR is a tag, not its type tag.
5420 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
5422 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
5423 alternatives to match style of other entries.
5424 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
5426 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
5428 PR tree-optimization/25771
5429 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
5432 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
5435 * tree-inline.c (declare_return_variable): If the return variable
5436 was marked as a non gimple complex, set the return slot variable
5437 to be a non gimple comple variable.
5439 2006-01-13 Richard Guenther <rguenther@suse.de>
5441 * builtins.c (expand_builtin_sincos): New function.
5442 (expand_builtin_mathfn_3): Remove dead code, sin and cos
5444 (expand_builtin): Expand sincos using expand_builtin_sincos.
5446 2006-01-12 DJ Delorie <dj@redhat.com>
5448 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
5449 shift counts, separate SI shifts for m32c vs m16c, pass shift type
5450 so that constant shifts can be split.
5451 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
5452 (m32c_valid_pointer_mode): Make static.
5453 (shift_gen_func_for): New.
5454 (m32c_prepare_shift): Use it. Split large const shifts into
5456 * config/m32c/predicates.md (shiftcount_operand): Allow more
5458 (longshiftcount_operand): New.
5459 * doc/md.texi (Machine Constraints): Document In6.
5461 2006-01-13 Ben Elliston <bje@au.ibm.com>
5463 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
5464 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
5467 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
5469 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
5470 to try to avoid clobbering pieces of structures when we know
5471 something about the whole structure.
5472 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
5474 2006-01-13 Ben Elliston <bje@au.ibm.com>
5476 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
5477 return in memory, as this is no limitation is no longer present.
5479 2006-01-12 DJ Delorie <dj@redhat.com>
5481 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
5482 mova with fb, and for fb+0 -> An.
5484 * config/m32c/mov.md (peephole2): Fix enabling logic.
5486 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
5487 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
5488 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
5489 FINI_ARRAY_SECTION_ASM_OP): Define.
5491 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
5493 (m32c_legitimize_reload_address): New logic to reload FB to An.
5494 (m32c_output_reg_push): Add newline.
5495 (m32c_output_reg_pop): Likewise.
5497 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
5499 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
5501 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
5503 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
5505 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5507 * config/sh/predicates.md (sh_rep_vec): Add parallel to
5510 2006-01-11 Ben Elliston <bje@au.ibm.com>
5512 * rtlanal.c (find_reg_note): Assert insn is not null.
5514 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
5516 * df-scan.c (df_hard_reg_init): Move declaration of i outside
5519 2006-01-11 Jeff Law <law@redhat.com>
5521 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
5523 (mark_threaded_blocks, register_jump_thread): New functions.
5524 (thread_through_all_blocks): Remove unwanted argument. No
5525 longer rely on e->aux to communicate thread target info.
5526 Call mark_threaded_blocks. Release the threaded_blocks
5527 bitmap and threaded_edges vector when complete.
5528 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
5529 (threaded_blocks): Remove.
5530 (tree_ssa_dominator_optimize): Remove initialization and
5531 finalization of threaded_blocks. Simplify call to
5532 thread_through_all_blocks.
5533 (thread_across_edge): Call register_jump_thread rather than
5534 storing thread information into e->aux.
5535 (free_all_edge_infos): Simplify now that e->aux is no longer
5536 used to communicate with thread_through_all_blocks.
5537 * tree-flow.h (thread_through_all_blocks): Update prototype.
5538 (register_jump_thread): Prototype.
5540 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5542 * df-core.c (df_compact_blocks, df_bb_replace): Use
5543 SET_BASIC_BLOCK instead of BASIC_BLOCK.
5545 2006-01-11 Richard Guenther <rguenther@suse.de>
5547 PR tree-optimization/25734
5548 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
5549 stop propagation after successful propagation to the LHS.
5551 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5553 * basic-block.h (control_flow_graph): Change the type of
5554 x_basic_block_info to VEC(basic_block,gc) *.
5555 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
5557 (SET_BASIC_BLOCK): New.
5558 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
5559 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
5560 * cfgbuild.c (find_basic_blocks): Likewise.
5561 * cfglayout.c (fixup_reorder_chain): Likewise.
5562 * cfgrtl.c (create_basic_block_structure,
5563 rtl_create_basic_block): Likewise.
5564 * ifcvt.c (find_if_case_1): Likewise.
5565 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
5568 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
5570 * Makefile.in: Removed rotted odf.c entry.
5572 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
5575 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
5576 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
5577 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
5578 output pattern modifier, not %e.
5579 * config/cris/cris.c (cris_op_str): Update comment about pattern
5581 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
5582 before falling through into...
5583 <case 'E'>: Redefined from old 'e' case.
5585 2006-01-11 Jan Hubicka <jh@suse.cz>
5588 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
5590 2006-01-11 Jan Hubicka <jh@suse.cz>
5592 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
5593 * i386.c (x86_decompose_lea): Kill.
5594 (ix86_rtx_costs): Kill.
5596 2006-01-11 Jan Hubicka <jh@suse.cz>
5598 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
5599 * cgraph.h (cgraph_node): Add inline_decl.
5600 (cgraph_insert_node_to_hashtable): Declare.
5601 (save_inline_function_body): Declare.
5602 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
5604 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
5605 (cgraph_function_versioning): Update call of tree_function_versioning.
5606 (save_inline_function_body): New function.
5607 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
5608 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
5609 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
5610 (cgraph_default_inline_p): Likewise.
5611 (cgraph_decide_inlining_incrementally): Likewise.
5612 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
5613 (copy_bb): Kill saving; do updating of clones.
5614 (copy_cfg_body): Kill saving.
5615 (initialize_inlined-parameters): Likewise.
5616 (expand_call_inline): Likewise.
5618 (tree_function_versioning): New parameter "update_clones".
5619 (inlining_p): Kill saving.
5620 * tree-inline.h (tree_function_versioning): Update prototype.
5621 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
5624 2006-01-11 Ian Lance Taylor <ian@airs.com>
5626 * combine.c (struct undo): Remove is_int. Enumify types of undos.
5627 Allow undoing set of machine mode.
5628 (do_SUBST): Use enums instead of is_int.
5629 (do_SUBST_MODE): New function.
5630 (SUBST_MODE): New macro.
5631 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
5632 reg and trying to replace reg_regno_rtx with a new register.
5633 (undo_all): Use new enums, handle undoing a PUT_MODE change.
5634 (simplify_set): Use SUBST_MODE.
5635 (distribute_notes): Remove code that tried to update reg notes
5636 for regno_reg_rtx changes.
5638 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
5640 PR tree-optimization/23109
5641 PR tree-optimization/23948
5642 PR tree-optimization/24123
5644 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
5645 * tree-cfg.c (single_noncomplex_succ): New.
5646 * tree-flow.h (single_noncomplex_succ): Declare it.
5647 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
5648 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
5649 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
5650 insert_bb, register_division_in, insert_reciprocals,
5651 replace_reciprocal, free_bb): New.
5652 (execute_cse_reciprocals_1): Rewritten.
5653 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
5654 Do not commit any edge insertion. Always compute dominators and
5655 create the allocation pool.
5656 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
5657 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
5658 * targhooks.c (default_min_divistions_for_recip_mul): New.
5659 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
5660 * passes.c (init_optimization_passes): Run recip after tree loop
5662 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
5664 2006-01-11 Danny Berlin <dberlin@dberlin.org>
5665 Kenneth Zadeck <zadeck@naturalbridge.com>
5667 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
5668 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
5669 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
5670 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
5671 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
5672 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
5673 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
5674 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
5675 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
5676 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
5677 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
5678 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
5679 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
5680 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
5681 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
5682 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
5683 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
5684 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
5685 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
5686 DF_SCAN_POST_ALLOC): New macros.
5687 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
5688 df_free_bb_function, df_local_compute_function, df_init_function,
5689 df_dataflow_function, df_confluence_function_0,
5690 df_confluence_function_n, df_transfer_function,
5691 df_finalizer_function, df_free_function, df_dump_problem_function,
5692 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
5693 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
5694 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
5695 df_urec_bb_info, ) New types.
5696 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
5698 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
5699 df_analyze_simple_change_some_blocks,
5700 df_analyze_simple_change_one_block, df_compact_blocks,
5701 df_bb_replace, df_bb_regno_last_use_find,
5702 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
5703 df_insn_regno_def_p, df_find_def, df_find_use,
5704 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
5705 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
5706 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
5707 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
5708 debug_df_chain, df_get_dependent_problem, df_chain_create,
5709 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
5710 df_grow_bb_info, df_chain_dump, df_print_bb_index,
5711 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
5712 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
5713 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
5714 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
5715 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
5716 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
5717 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
5718 df_ref_remove, df_insn_refs_delete, df_refs_delete,
5719 df_reorganize_refs, df_set_state, df_hard_reg_init,
5720 df_read_modify_subreg_p) New public functions.
5721 * df-core.c: The core dataflow solver and glue routines for rtl
5723 (df_init, df_add_problem, df_set_blocks, df_finish,
5724 df_hybrid_search_forward, df_hybrid_search_backward,
5725 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
5726 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
5727 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
5728 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
5729 df_reg_defined, df_find_use, df_reg_used, df_dump,
5730 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
5731 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
5732 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
5733 debug_df_useno, reset_df_after_reload): New functions.
5734 * df-scan.c: The scanning fuctions, once in df.c, completely
5735 rewritten so that they now fully model the functionality of
5736 register usage at the backend.
5737 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
5738 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
5739 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
5740 df_grow_insn_info, df_rescan_blocks, df_ref_create,
5741 df_get_artificial_defs, df_get_artificial_uses,
5742 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
5743 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
5744 df_refs_delete, df_reorganize_refs, df_set_state,
5745 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
5746 df_def_record_1, df_defs_record, df_uses_record,
5747 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
5748 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
5749 df_record_exit_block_uses, df_hard_reg_init): New functions.
5751 * df-problems.c: Seven concrete dataflow problems that use the
5752 scanning in df-scan.c and are solved by the engine in df-core.c.
5753 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
5754 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
5755 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
5756 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
5757 df_ru_free_bb_info, df_ru_alloc,
5758 df_ru_bb_local_compute_process_def,
5759 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
5760 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
5761 df_ru_transfer_function, df_ru_free, df_ru_dump,
5762 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
5763 df_rd_free_bb_info, df_rd_alloc,
5764 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
5765 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
5766 df_rd_transfer_function, df_rd_free, df_rd_dump,
5767 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
5768 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
5769 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
5770 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
5771 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
5772 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
5773 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
5774 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
5775 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
5776 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
5777 df_urec_mark_reg_change, df_urec_check_earlyclobber,
5778 df_urec_mark_reg_use_for_earlyclobber,
5779 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
5780 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
5781 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
5782 df_urec_dump, df_urec_add_problem, df_chain_alloc,
5783 df_chain_create_bb_process_use, df_chain_create_bb,
5784 df_chain_finalize, df_chain_free, df_chains_dump,
5785 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
5786 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
5787 df_reg_lifetime): New functions.
5788 * df.c: Deleted file.
5789 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
5790 consistent with new df api.
5791 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
5792 rest_of_handle_sms): Ditto.
5793 * web.c (unionfind_union, union_defs, entry_register, web_main):
5795 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
5796 invariant_expr_equal_p, find_defs, check_dependencies,
5797 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
5798 free_inv_motion_data, move_loop_invariants): Ditto.
5799 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
5800 Update dependencies.
5801 (odf.c): Added defective entry that was deleted later in day.
5802 * sched-deps.c (sched_analyze_1): Ditto.
5804 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
5806 * tree-ssa-operands.c (get_expr_operands): Record addressable
5807 variables directly. Do not call add_stmt_operands for CONST_DECLs
5809 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
5810 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
5812 2006-01-11 Ben Elliston <bje@au.ibm.com>
5814 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
5815 function returns true in the positive case.
5817 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5820 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
5821 for SI, DI, SF and DF modes. Add alternatives to copy between
5822 general and floating point registers to the 32-bit patterns.
5823 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
5824 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
5825 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
5826 generating 64-bit code.
5827 * config/pa/pa.c (output_move_double): Handle copies between general
5828 and floating registers.
5830 2006-01-10 Stuart Hastings <stuart@apple.com>
5832 * config/i386/i386.md (set_got): Update.
5833 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
5834 (builtin_setjmp_receiver): Mach-O support.
5835 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
5836 (GOT_SYMBOL_NAME): Define.
5837 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
5838 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
5839 * config/i386/i386.c (override_options): Revise for Darwin.
5840 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
5841 support. (darwin_x86_file_end): New. (output_set_got): Add label
5842 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
5843 * config/i386/i386-protos.h (output_set_got): Likewise.
5844 * config/darwin.c (machopic_legitimize_pic_address): Update
5847 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
5849 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
5850 when MODE isn't BLKmode.
5852 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5854 PR rtl-optimization/25367
5855 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
5857 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
5860 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
5861 for a negative bound.
5863 2006-01-10 Richard Guenther <rguenther@suse.de>
5865 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5866 Never override with anything constraint.
5868 2006-01-10 Jan Beulich <jbeulich@novell.com>
5870 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
5871 256 bits when optimize_size.
5873 2006-01-10 Jan Beulich <jbeulich@novell.com>
5875 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
5877 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
5878 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
5881 2006-01-10 Ben Elliston <bje@au.ibm.com>
5883 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
5885 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
5886 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
5887 (USE_FP_FOR_ARG): Reject decimal float modes.
5888 (function_arg_advance): Likewise.
5889 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
5890 (rs6000_handle_altivec_attribute): Do not permit decimal floating
5891 point types in AltiVec vectors.
5892 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
5893 (rs6000_libcall_value): Likewise.
5895 2006-01-09 Bob Wilson <bob.wilson@acm.org>
5897 * config/xtensa/ieee754-df.S: New file.
5898 * config/xtensa/ieee754-sf.S: New file.
5899 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
5900 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
5901 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
5903 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
5905 * config/sh/predicates.md (binary_float_operator,
5906 binary_logical_operator, commutative_float_operator,
5907 equality_comparison_operator, greater_comparison_operator,
5908 less_comparison_operator, logical_operator,
5909 noncommutative_float_operator, shift_operator,
5910 symbol_ref_operand, unary_float_operator): Remove redundant
5913 2006-01-09 Jeff Law <law@redhat.com>
5915 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
5916 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
5917 now unused arguments. Callers updated.
5918 (eliminate_redundant_computations): Remove now unused arguments,
5920 (local_fold): Remove, no longer used.
5921 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
5923 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
5924 (simplify_cond): New function.
5925 (forward_propagate_into_cond): Call simplify_cond.
5927 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
5929 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
5930 (*vec_extractv2di_1_sse): New.
5932 2006-01-09 Ben Elliston <bje@au.ibm.com>
5934 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
5936 2006-01-08 Richard Guenther <rguenther@suse.de>
5938 * tree-ssa-structalias.c (get_constraint_for): Remove
5940 (get_constraint_for_component_ref): Likewise.
5941 (do_deref): Likewise.
5942 (get_constraint_for): Likewise.
5943 (do_structure_copy): Likewise.
5944 (handle_ptr_arith): Likewise.
5945 (find_func_aliases): Likewise. Remove unused need_anyoffset
5948 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
5949 Kaz Kojima <kkojima@gcc.gnu.org>
5951 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
5952 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
5953 (EXTRA_CONSTRAINT_C16): Remove.
5954 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
5955 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
5956 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
5957 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
5958 constants of SHmedia. Handle nested constant expressions of
5960 (andcosts): Fix the costs for SHmedia constants.
5961 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
5962 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
5963 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
5964 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
5965 (movv4hi_i, movv2si_i): Likewise.
5966 (movsi_const): Adjust the second operand of ior so to match with
5968 (movdi_const, movdi_const_32bit): Likewise.
5969 (movdi_const_16bit+1): Don't sign-extend LOW.
5970 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
5972 (*double_shori): Fix the split condition. Use GEN_INT instead
5973 of get_int_mode calls. Mask lower 16-bit of the argument of
5975 (sym2GOTPLT): Remove.
5976 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
5978 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
5979 instead of EXTRA_CONSTRAINT_C16.
5981 2006-01-07 Ian Lance Taylor <ian@airs.com>
5982 David Edelsohn <edelsohn@gnu.org>
5984 PR rtl-optimization/25662
5985 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
5986 for constant operands instead of simplify_gen_binary.
5987 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
5988 after trying simplify_binary_operation
5990 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
5992 * tree.c (iterative_hash_expr): Hash decls based on UID.
5994 2006-01-06 Eric Christopher <echristo@apple.com>
5996 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
5997 (TARGET_UNWIND_EMIT): Fix spelling.
5998 * target.h (gcc_target): Add except_table_label.
5999 * except.c (output_function_exception_table): Use.
6000 * varasm.c (default_emit_except_table_label): New.
6001 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
6003 (asm_out): Add here.
6004 * output.h (default_emit_except_table_label): Prototype.
6005 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
6006 * config/darwin.c (darwin_emit_except_table_label): Define.
6007 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
6009 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
6011 PR tree-optimization/18527
6012 * tree-ssa-loop-niter.c (number_of_iterations_cond,
6013 number_of_iterations_special, number_of_iterations_exit):
6014 Move base and step of an iv to a single structure. Add
6015 no_overflow flag, and use it in # of iterations analysis.
6016 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
6017 folded_casts argument.
6018 (simple_iv): Pass base and step in a structure. Set no_overflow
6020 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
6021 Evaluate expensiveness of computing # of iterations instead of
6022 the final expression.
6023 * tree-scalar-evolution.h (affine_iv): New structure.
6024 (simple_iv): Declaration changed.
6025 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
6026 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
6027 find_givs_in_stmt): Changed due to simple_iv change.
6029 2006-01-06 Jeff Law <law@redhat.com>
6032 * tree-cfg.c (bsi_replace): Rename final argument from
6033 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
6034 change (stmt -> orig_stmt).
6035 * tree-eh.c (verify_eh_throw_stmt_node): New function.
6036 (bsi_remove): Add new argument. Remove EH information
6038 (verify_eh_throw_table_statements): New function.
6039 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
6041 * tree-optimize.c (execute_free_cfg_annotations): Verify
6042 the EH throw statement table after removing annotations.
6043 * except.h (verify_eh_throw_table_statements): Prototype.
6044 * tree-flow.h (bsi_remove): Update prototype.
6045 * tree-vrp.c (remove_range_assertions): Add new argument to
6047 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
6048 * tree-complex.c (expand_complex_div_wide): Likewise.
6049 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
6050 * tree-tailcall.c (eliminate_tailcall): Likewise.
6051 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
6052 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
6053 * tree-nrv.c (tree_nrv): Likewise.
6054 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
6055 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
6056 (combine_blocks): Likewise.
6057 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
6058 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
6059 (cleanup_control_flow): Likewise.
6060 (remove_forwarder_block): Likewise.
6061 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
6062 * tree-sra.c (sra_replace): Likewise.
6063 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
6064 (forward_propagate_single_use_vars): Likewise.
6065 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
6066 * tree-inline.c (expand_call_inline): Likewise.
6067 * tree-vect-transform.c (vect_transform_loop): Likewise.
6068 * tree-outof-ssa.c (rewrite_trees): Likewise.
6069 * tree-cfg.c (make_goto_expr_edges): Likewise.
6070 (cleanup_dead_labels): Likewise.
6071 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
6072 (bsi_move_before, bsi_move_after): Likewise.
6073 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
6074 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
6076 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
6079 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
6081 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
6082 on non gimple variables. Also add checks at the top for decls and
6084 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
6086 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
6087 and IMAGPART_EXPR for creating MUST_DEFs.
6088 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
6089 and NAME_MEMORY_TAG separately from the DECLs.
6091 2006-01-06 Richard Guenther <rguenther@suse.de>
6093 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
6094 annotation, if necessary.
6095 * tree-ssa-pre.c (create_expression_by_pieces): Remove
6096 redundant calls to update_stmt.
6097 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
6100 2006-01-05 Richard Henderson <rth@redhat.com>
6102 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
6104 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6106 * c-typeck.c: Update copyright date.
6108 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6110 * c-typeck.c (build_c_cast): Always warn when casting
6111 from a pointer to an integer of different size, even if
6112 the node was constant.
6114 2006-01-05 Richard Guenther <rguenther@suse.de>
6116 PR tree-optimization/22555
6117 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
6118 if one structure field is an array.
6119 * tree-ssa-operands.c (get_expr_operands): Continue scanning
6120 operands even if we found a subvar, but ignore VOPs in this
6122 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
6124 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
6126 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
6129 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
6131 2006-01-05 Richard Guenther <rguenther@suse.de>
6132 Diego Novillo <dnovillo@redhat.com>
6134 * tree-pass.h (TODO_remove_unused_locals): Define.
6135 * gimple-low.c (expand_var_p, remove_useless_vars,
6136 pass_remove_useless_vars): Remove. Update all users.
6137 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
6138 (remove_unused_locals): New function.
6139 * tree-flow.h (remove_unused_locals): Declare.
6140 * passes.c (execute_todo): Call remove_unused_locals if
6141 TODO_remove_unused_locals is set.
6142 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
6143 * tree-ssa-dce.c (pass_dce): Likewise.
6144 * tree-outof-ssa.c (pass_del_ssa): Likewise.
6146 2006-01-05 Richard Guenther <rguenther@suse.de>
6148 * tree-flow.h (struct fieldoff): Decompose field to
6149 type, size and decl.
6150 * tree-ssa-alias.c (create_sft): Take type as parameter.
6151 (create_overlap_variables_for): Store type, size and decl
6152 in the fieldoff structure.
6153 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
6155 (push_fields_onto_fieldstack): Likewise.
6156 (create_variable_info_for): Likewise. Use offset for the
6157 SFT name if the decl is not available.
6159 2006-01-04 Paul Brook <paul@codesourcery.com>
6161 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
6163 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
6165 * lambda-code.c (can_put_in_inner_loop): Relax
6167 (can_put_after_inner_loop): New function.
6168 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
6169 (perfect_nestify): Change to make copies and modify uses.
6171 2006-01-04 Richard Henderson <rth@redhat.com>
6173 Merge from gomp branch:
6174 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
6175 via integer constant.
6176 (pragma_lex): Remove.
6177 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
6178 rather than parsing it.
6179 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
6180 handle_pragma_extern_prefix): Add %< %> quotes.
6181 (registered_pragmas): New.
6182 (c_register_pragma_1): New.
6183 (c_register_pragma): Use it.
6184 (c_register_pragma_with_expansion): Likewise.
6185 (c_invoke_pragma_handler): New.
6186 (init_pragma): Use cpp_register_deferred_pragma directly for
6188 * c-pragma.h (enum pragma_kind): New.
6189 (pragma_handler): New.
6190 (c_invoke_pragma_handler): Declare.
6191 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
6193 * c-common.h (c_common_pch_pragma): Update decl.
6194 * Makefile.in (c-parser.o): Update dependencies.
6195 (GTFILES): Add c-pragma.h.
6196 * c-parser.c (struct c_token): Add pragma_kind.
6197 (struct c_parser): Add in_pragma.
6198 (c_lex_one_token): Always initialize keyword and pragma_kind.
6199 Extract data for CPP_PRAGMA.
6200 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
6201 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
6202 Don't allow CPP_PRAGMA_EOL if in_pragma.
6203 (c_parser_consume_pragma): New.
6204 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
6205 (c_parser_skip_to_end_of_parameter): Likewise.
6206 (c_parser_skip_to_end_of_block_or_statement): Likewise.
6207 (c_parser_skip_to_pragma_eol): New.
6208 (c_parser_external_declaration): Handle CPP_PRAGMA.
6209 (c_parser_compound_statement_nostart): Likewise.
6210 (c_parser_statement_after_labels): Likewise.
6211 (c_parser_pragma): New.
6212 (pragma_lex): Likewise.
6213 (c_parser_pragma_pch_preprocess): New.
6214 (c_parser_new): Merge into ...
6215 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
6217 2006-01-04 Jeff Law <law@redhat.com>
6220 * tree-cfg.c (bsi_replace): Remove the original statement
6221 from the EH throw statement table.
6223 2006-01-04 Jakub Jelinek <jakub@redhat.com>
6225 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
6226 make the prototype extern "C" and add throw ().
6229 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
6230 and pos non-negative and pos + len <= 32.
6231 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
6232 drop pos + len < HOST_BITS_PER_WIDE_INT test.
6233 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
6236 * c-common.c (handle_vector_size_attribute): Reject zero vector size
6237 as well as sizes not multiple of component size.
6240 * function.c (instantiate_expr): New function.
6241 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
6242 walk its DECL_VALUE_EXPR with instantiate_expr.
6244 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
6245 DW_OP_deref{,_size} if address isn't going to be added.
6247 2006-01-04 Ben Elliston <bje@au.ibm.com>
6249 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
6250 * config/fp-bit.c: Likewise.
6252 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
6254 * dominance.c: Add comment about why we use DFS numbering
6257 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6258 Richard Henderson <rth@redhat.com>
6260 Merge from gomp-branch:
6261 * varasm.c (assemble_variable): Handle thread-local COMMON data.
6262 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
6264 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
6266 PR rtl-optimization/25578
6267 * combine.c (combine_simplify_rtx, force_to_mode): Don't
6268 pass a parameter to simplify_shift_const if changing ASHIFTRT
6271 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
6273 * builtins.c (get_builtin_sync_mem): New function.
6274 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
6275 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
6276 Call get_builtin_sync_mem to generate mem rtx.
6278 2006-01-03 Richard Guenther <rguenther@suse.de>
6281 * stmt.c (add_case_node): Make sure to clear overflow flags
6284 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6286 Merge from gomp-branch.
6287 * config/sparc/sync.md: New file.
6288 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
6289 UNSPECV_LDSTUB): New constants.
6290 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
6291 * config/sparc/predicates.md (memory_reg_operand): New predicate.
6292 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
6295 2006-01-03 Roger Sayle <roger@eyesopen.com>
6297 * combine.c (reg_subword_p): New predicate to test whether the
6298 destination of a set refers to a subword/piece of a register.
6299 (try_combine): Generalize the code to merge the setting of a
6300 pseudo to a constant followed by a set of a subword of that
6301 register to a constant.
6303 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
6305 * basic-block.h (control_flow_graph): Change the type of
6306 x_label_to_block_map to VEC(basic_block,gc) *.
6307 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
6308 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
6310 * tree-ssa-propagate.c (cfg_blocks): Change the type to
6311 VEC(basic_block,heap) *.
6312 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
6313 ssa_prop_fini): Adjust the uses of cfg_blocks.
6315 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
6317 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
6319 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
6320 hashing trees instead of a pointer hash.
6321 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
6322 compare for MEM_EXPR.
6324 PR rtl-optimization/25130
6325 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
6326 when comparing MEMs for GCSE
6328 2006-01-03 Ben Elliston <bje@au.ibm.com>
6330 * targhooks.h (default_decimal_float_supported_p): Declare.
6331 * targhooks.c (default_decimal_float_supported_p): Define.
6332 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
6333 `default_decimal_float_supported_p'.
6334 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
6336 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
6338 * combine.c (apply_distributive_law <SUBREG>): Check
6339 TRULY_NOOP_TRUNCATION.
6341 2006-01-02 Geoffrey Keating <geoffk@apple.com>
6343 * dwarf2out.c (have_switched_text_section): Delete.
6344 (have_multiple_function_sections): New.
6345 (have_location_lists): Make 'bool'.
6346 (add_AT_loc_list): Use 'true' not '1'.
6347 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
6348 (output_loc_list): Use have_multiple_function_sections.
6349 (output_ranges): Likewise.
6350 (dwarf2out_begin_function): Set have_multiple_function_sections if
6352 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
6353 Check function_section rather than DECL_SECTION_NAME.
6354 (dwarf2out_finish): Use have_multiple_function_sections.
6355 Don't clear have_location_lists.
6357 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
6358 Jan Hubicka <jh@suse.cz>
6360 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
6361 case of conditional jump jumping to the next instruction.
6362 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
6363 cases of conditional jump jumping to the next instruction.
6365 2006-01-02 Jan Hubicka <jh@suse.cz>
6367 * i386.c (*_cost): Add COSTS_N_INSNS.
6368 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
6370 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
6373 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
6375 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6377 * config/arm/arm.c (all_fpus): Fix comment typo.
6378 * config/darwin.c: Likewise.
6379 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
6380 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
6381 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
6383 2006-01-01 David Edelsohn <edelsohn@gnu.org>
6385 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
6386 (rs6000_split_compare_and_swapqhi): New.
6387 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
6388 (sync_compare_and_swapqhi_internal): New.
6389 * config/rs6000/rs6000-protos.h: Declare.
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