1 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3 * expmed.c (expand_mult_add): Remove.
4 * expr.h: Remove the prototype for expand_mult_add.
6 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
9 and REG_SAVED_VAL_EXP constants.
10 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
11 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12 Handle regs stored by value.
13 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
14 (execute_cfa_program): Handle DW_CFA_val_offset,
15 DW_CFA_val_offset_sf and DW_CFA_val_expression.
16 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
17 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
18 (uw_install_context_1): Handle target regs stored by value.
20 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
22 * tree-sra.c (tree_sra): Return todoflags;
23 (generate_one_element): Set TODO_update_smt_usage if needed.
24 (pass_sra): Remove TODO_update_smt_usage.
25 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
27 (tree_ssa_forward_propagate_single_use_vars): Return
28 TODO_update_smt_usage if we need to update SMT usage.
29 (pass_forwprop): Remove TODO_update_smt_usage.
31 2006-03-03 Diego Novillo <dnovillo@redhat.com>
33 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
34 (correct_use_link): Remove reference to get_stmt_operands.
35 (update_stmt_operands): Likewise.
36 (get_modify_expr_operands): New function factored out of
37 parse_ssa_operands and get_expr_operands.
38 Try to create V_MUST_DEFs for LHS by default.
39 (get_expr_operands) <case MODIFY_EXPR>: Call
40 get_modify_expr_operands.
41 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
42 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
43 (parse_ssa_operands) <case MODIFY_EXPR>: Call
44 get_modify_expr_operands.
46 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
48 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
49 * tree-flow.h: Remove the prototype for
50 referenced_var_lookup_if_exists.
52 2006-03-03 Steve Ellcey <sje@cup.hp.com>
54 PR rtl-optimization/26345
56 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
58 2006-03-03 Roger Sayle <roger@eyesopen.com>
60 PR tree-optimization/26524
61 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
62 fold_convert to create a constant of the appropriate type.
64 2006-03-03 Richard Sandiford <richard@codesourcery.com>
66 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
67 SYMBOL_REF_IN_BLOCK_P.
68 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
69 of SYMBOL_FLAG_IN_BLOCK.
70 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
71 instead of SYMBOL_REF_IN_BLOCK_P.
72 * explow.c (use_anchored_address): Likewise.
73 * rtl.c (rtx_size): Likewise.
74 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
75 instead of SYMBOL_FLAG_IN_BLOCK.
76 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
77 SYMBOL_REF_IN_BLOCK_P.
78 (assemble_variable): Likewise.
79 (output_constant_def_contents): Likewise.
80 (output_constant_pool): Likewise.
81 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
82 instead of SYMBOL_FLAG_IN_BLOCK.
83 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
84 SYMBOL_REF_IN_BLOCK_P.
85 (SYMBOL_REF_BLOCK): Likewise.
86 (SYMBOL_REF_OFFSET): Likewise.
87 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
88 SYMBOL_REF_IN_BLOCK_P.
89 (SYMBOL_FLAG_IN_BLOCK): Replace with...
90 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
91 (SYMBOL_REF_IN_BLOCK_P): Replace with...
92 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
94 2006-03-03 Jakub Jelinek <jakub@redhat.com>
96 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
98 2006-03-02 Roger Sayle <roger@eyesopen.com>
100 * simplify-rtx.c (simplify_unary_operation): When simplifying
101 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
102 that we perform the right shift in the appropriate mode, and
103 then extend or truncate the result to requested mode.
105 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
107 * gengtype.c (main): Handle double_int type.
108 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
109 * double-int.c: New file.
110 * double-int.h: New file.
111 * system.h: Include doubleint.h.
112 * Makefile.in (SYSTEM_H): Include double-int.h.
115 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
118 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
121 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
123 * tree-vrp.c (remove_range_assertions): Do not update statements
126 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
128 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
130 * gcse.c (rest_of_handle_gcse): Ditto.
131 * except.c (gate_handle_eh): Ditto.
132 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
133 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
135 2006-03-02 Eric Christopher <echristo@apple.com>
137 * config/i386/i386.c (machopic_output_stub): Add indirection to
140 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
144 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
146 Sun Niagara specific optimizations.
147 * config.gcc: Recognize niagara as target.
148 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
149 (TARGET_CPU_niagara): Define.
150 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
151 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
152 (CPP_CPU_SPEC): Handle -mcpu=niagara.
153 (ASM_CPU_SPEC): Likewise.
154 (PROCESSOR_NIAGARA): New enum entry.
155 (REGISTER_MOVE_COST): Handle Niagara.
156 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
157 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
158 (sparc_override_options): Recognize "niagara", set appropriate
159 default MASK_* values for it, and align functions to 32-bytes
160 by default just like ULTRASPARC/ULTRASPARC3.
161 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
162 (sparc64_initialize_trampoline): Likewise.
163 (sparc_use_sched_lookahead): Use zero for niagara.
164 (sparc_issue_rate): Use one for niagara.
165 * config/sparc/niagara.md: New file.
166 * config/sparc/sparc.md: Include it.
167 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
168 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
169 when default cpu is niagara.
170 (CPP_CPU_SPEC): Handle -mcpu=niagara.
171 (ASM_CPU_SPEC): Likewise.
172 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
173 when default cpu is niagara.
174 (ASM_CPU_SPEC): Handle -mcpu=niagara.
175 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
176 just like v9/ultrasparc/ultrasparc3.
177 * doc/invoke.texi: Add documentation for "niagara" and improve
178 existing documentation for ultrasparc variants.
180 2006-03-02 Diego Novillo <dnovillo@redhat.com>
182 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
184 2006-03-02 Richard Sandiford <richard@codesourcery.com>
186 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
187 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
188 and say that only one is needed.
189 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
190 * target.h (have_switchable_bss_sections): New hook.
191 * explow.c (use_anchored_address): Check that the symbol is in a block.
192 * varasm.c (tls_comm_section, comm_section, lcomm_section)
193 (bss_noswitch_section): New variables.
194 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
195 (get_noswitch_section): New function.
196 (get_block_for_section): Allow SECT to be null.
197 (unlikely_text_section_p): Use SECTION_STYLE.
198 (bss_initializer_p): New function.
199 (get_variable_section): Move earlier in file. Take a new argument,
200 prefer_noswitch_p. Move bss checks from assemble_variable to here.
201 Return one of the new *_sections in such cases.
202 (get_block_for_decl): New function, extracting some logic from
203 use_blocks_for_decl_p.
204 (change_symbol_section): Remove in favor of...
205 (change_symbol_block): ...this new function.
206 (use_blocks_for_decl_p): Remove checks now performed by
208 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
209 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
210 (emit_local, emit_bss, emit_common): ...these new functions.
211 Return true if the alignment was honored.
212 (emit_tls_common): New function.
213 (asm_emit_uninitialised): Delete.
214 (assemble_variable_noswitch): New function, split out from...
215 (assemble_variable): ...here. Don't make decisions about common
216 variables here. Globalize all public decls that go into non-common
217 sections. Check whether SYMBOL_REF_BLOCK is null.
218 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
219 (output_constant_pool): Likewise.
220 (init_varasm_once): Initialize the new section variables.
221 (have_global_bss_p): New function.
222 (categorize_decl_for_section): Use bss_initializer_p.
223 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
224 (place_block_symbol): Assert that the symbol must be in a block.
225 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
226 (TARGET_INITIALIZER): Include it.
227 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
228 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
229 (SECTION_MACH_DEP): Bump by two.
230 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
231 (unnamed_section): Mention SECTION_UNNAMED in comment.
232 (named_section): Likewise SECTION_NAMED.
233 (noswitch_section_callback): New type.
234 (noswitch_section): New structure.
235 (section): Add a noswitch_section alternative.
236 (SECTION_STYLE): New macro.
237 (tls_comm_section, comm_section, lcomm_section): Declare.
238 (bss_noswitch_section, have_global_bss_p): Declare.
239 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
240 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
242 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
243 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
246 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
248 * gcc/tree-vrp.c (execute_vrp): Return value.
249 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
250 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
251 * gcc/tree-complex.c (tree_lower_complex): Ditto.
252 (tree_lower_complex_O0): Ditto.
253 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
254 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
255 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
256 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
257 (execute_tail_calls): Ditto.
258 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
259 * gcc/tree.h (init_function_for_compilation): Ditto.
260 * gcc/ipa-cp.c (ipcp_driver): Ditto.
261 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
262 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
263 * gcc/final.c (compute_alignments): Ditto.
264 (rest_of_handle_final): Ditto.
265 (rest_of_handle_shorten_branches): Ditto.
266 (rest_of_clean_state): Ditto.
267 * gcc/omp-low.c (execute_expand_omp): Ditto.
268 (execute_lower_omp): Ditto.
269 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
270 * gcc/ipa-reference.c (static_execute): Ditto.
271 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
272 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
273 (rest_of_handle_machine_reorg): Ditto.
274 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
275 * gcc/flow.c (recompute_reg_usage): Ditto.
276 (rest_of_handle_remove_death_notes): Ditto.
277 (rest_of_handle_life): Ditto.
278 (rest_of_handle_flow2): Ditto.
279 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
280 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
281 (do_ssa_store_ccp): Ditto.
282 (execute_fold_all_builtins): Ditto.
283 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
284 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
285 * gcc/ipa-pure-const.c (static_execute): Ditto.
286 * gcc/cse.c (rest_of_handle_cse): Ditto.
287 (rest_of_handle_cse2): Ditto.
288 * gcc/web.c (rest_of_handle_web): Ditto.
289 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
290 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
291 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
292 * gcc/tree-nrv.c (tree_nrv): Ditto.
293 (execute_return_slot_opt): Ditto.
294 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
295 (create_structure_vars): Ditto.
296 * gcc/loop-init.c (rtl_loop_init): Ditto.
297 (rtl_loop_done): Ditto.
298 (rtl_move_loop_invariants): Ditto.
299 (rtl_unswitch): Ditto.
300 (rtl_unroll_and_peel_loops): Ditto.
302 * gcc/gimple-low.c (lower_function_body): Ditto.
303 (mark_used_blocks): Ditto.
304 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
305 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
306 (cgraph_early_inlining): Ditto.
307 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
308 * gcc/jump.c (cleanup_barriers): Ditto.
309 (purge_line_number_notes): Ditto.
310 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
311 (rest_of_handle_if_after_reload): Ditto.
312 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
313 (tree_ssa_loop_im): Ditto.
314 (tree_ssa_loop_unswitch): Ditto.
315 (tree_vectorize): Ditto.
316 (tree_linear_transform): Ditto.
317 (tree_ssa_loop_ivcanon): Ditto.
318 (tree_ssa_empty_loop): Ditto.
319 (tree_ssa_loop_bounds): Ditto.
320 (tree_complete_unroll): Ditto.
321 (tree_ssa_loop_prefetch): Ditto.
322 (tree_ssa_loop_ivopts): Ditto.
323 (tree_ssa_loop_done): Ditto.
324 * gcc/predict.c (tree_estimate_probability): Ditto.
325 * gcc/recog.c (split_all_insns_noflow): Ditto.
326 (rest_of_handle_peephole2): Ditto.
327 (rest_of_handle_split_all_insns): Ditto.
328 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
329 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
330 (rest_of_handle_stack_adjustments): Ditto.
331 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
332 * gcc/function.c (instantiate_virtual_regs): Ditto.
333 (init_function_for_compilation): Ditto.
334 (rest_of_handle_check_leaf_regs): Ditto.
335 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
336 (rest_of_handle_gcse): Ditto.
337 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
338 * gcc/alias.c (rest_of_handle_cfg): Ditto.
339 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
340 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
341 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
342 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
343 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
344 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
345 * gcc/except.c (set_nothrow_function_flags): Ditto.
346 (convert_to_eh_region_ranges): Ditto.
347 (rest_of_handle_eh): Ditto.
348 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
349 (remove_unnecessary_notes): Ditto.
350 * gcc/except.h (set_nothrow_function_flags): Ditto.
351 (convert_to_eh_region_ranges): Ditto.
352 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
353 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
354 * gcc/tree-ssa-pre.c (do_pre): Ditto.
355 (execute_fre): Ditto.
356 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
357 (rest_of_handle_jump2): Ditto.
358 * gcc/tree-sra.c (tree_sra): Ditto.
359 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
360 (execute_mudflap_function_decls): Ditto.
361 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
362 (do_store_copy_prop): Ditto.
363 * gcc/ipa-prop.h (ipcp_driver): Ditto.
364 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
365 * gcc/tree-ssa-forwprop.c
366 (tree_ssa_forward_propagate_single_use_vars): Ditto.
367 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
368 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
369 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
370 (execute_late_warn_uninitialized): Ditto.
371 * gcc/rtl.h (cleanup_barriers): Ditto.
372 (split_all_insns_noflow): Ditto.
373 (purge_line_number_notes): Ditto.
374 (unshare_all_rtl): Ditto.
375 (remove_unnecessary_notes): Ditto.
376 (recompute_reg_usage): Ditto.
377 (variable_tracking_main): Ditto.
378 * gcc/integrate.c (emit_initial_value_sets): Ditto.
379 * gcc/integrate.h (emit_initial_value_sets): Ditto.
380 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
381 (execute_free_cfg_annotations): Ditto.
382 (execute_fixup_cfg): Ditto.
383 (execute_cleanup_cfg_pre_ipa): Ditto.
384 (execute_cleanup_cfg_post_optimizing): Ditto.
385 (execute_init_datastructures): Ditto.
386 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
387 * gcc/combine.c (rest_of_handle_combine): Ditto.
388 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
389 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
390 (rest_of_handle_reorder_blocks): Ditto.
391 (rest_of_handle_partition_blocks): Ditto.
392 * gcc/var-tracking.c (variable_tracking_main): Ditto.
393 * gcc/tree-profile.c (tree_profiling): Ditto.
394 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
395 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
396 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
397 (rest_of_handle_sched2): Ditto.
398 * gcc/basic-block.h (free_bb_insn): Ditto.
399 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
400 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
401 (remove_useless_stmts): Ditto.
402 (split_critical_edges): Ditto.
403 (execute_warn_function_return): Ditto.
404 (execute_warn_function_noreturn): Ditto.
405 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
406 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
407 * gcc/passes.c (execute_one_pass): Run additional
408 todos returned by execute function.
409 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
412 2006-03-02 Richard Guenther <rguenther@suse.de>
414 * tree-ssa-alias.c (find_used_portions): Consider taking
415 the address as making the variable not write-only.
417 2006-03-02 Nick Clifton <nickc@redhat.com>
419 * config.gcc (default_use_cxa_atexit): Extend the description of
420 this configure variable. Set its default value to "yes" for
421 Linux, NetBSD and ELF targets on the assumption that they will
422 use C libraries with the __cxa_atexit function.
424 2006-03-02 Ben Elliston <bje@au.ibm.com>
426 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
427 parameter as unused to suppress a build warning.
429 2006-03-02 Ben Elliston <bje@au.ibm.com>
431 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
434 2006-03-01 Roger Sayle <roger@eyesopen.com>
437 * gthr-posix.h (__gthrw2): Define to take three parameters, the
438 declared name, the weak reference name, and the typeof name.
439 (__gthrw): Avoid expanding the declared name suffix.
440 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
442 2006-03-01 Jakub Jelinek <jakub@redhat.com>
444 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
446 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
447 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
448 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
449 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
450 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
451 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
452 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
453 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
454 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
455 DW_DS_leading_separate, DW_DS_trailing_separate): New.
456 (DW_END_default, DW_END_big, DW_END_little): New.
457 (DW_END_lo_user, DW_END_hi_user): Define.
458 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
459 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
460 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
463 2006-03-01 Diego Novillo <dnovillo@redhat.com>
465 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
467 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
469 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
471 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
473 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
476 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
479 2006-03-01 Roger Sayle <roger@eyesopen.com>
481 * builtins.c (fold_builtin_copysign): Delete unreachable code.
483 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
486 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
487 MACHO_DYNAMIC_NO_PIC_P.
488 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
490 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
493 * config/darwin-protos.h (darwin_asm_output_anchor):
495 * config/darwin-sections.def (cstring_section):
496 Add SECTION_MERGE to the flags.
497 (literal4_section): Likewise.
498 (literal8_section): Likewise.
499 (objc_selector_refs_section): Likewise.
500 (objc_cls_refs_section): Likewise.
501 * config/darwin.c (darwin_asm_output_anchor): New
503 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
505 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
507 Fix PR tree-optimization/26443
508 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
509 to todo and PROP_tmt_usage to properties_destroyed.
510 * tree-ssa-ccp.c (pass_ccp): Ditto.
511 (pass_store_ccp): Ditto.
512 * tree-ssa-dom.c (pass_dominator): Ditto.
514 2006-03-01 Diego Novillo <dnovillo@redhat.com>
516 * tree-ssa-operands.c: Cleanup whitespace.
517 (get_asm_expr_operands): Move before first invocation.
518 (get_indirect_ref_operands): Likewise.
519 (get_tmr_operands): Likewise.
520 (get_call_expr_operands): Likewise.
521 (append_def): Likewise.
522 (append_use): Likewise.
523 (append_v_may_def): Likewise.
524 (append_v_must_def): Likewise.
525 (add_call_clobber_ops): Likewise.
526 (add_call_read_ops): Likewise.
527 (add_stmt_operand): Likewise.
528 (add_virtual_operand): Likewise.
529 (build_ssa_operands): Likewise.
531 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
536 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
537 with a call expr to ...
538 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
540 2006-03-01 Diego Novillo <dnovillo@redhat.com>
542 * tree-vrp.c (extract_range_from_assert): Remove special
543 handling for types with super-types.
545 2006-03-01 Ben Elliston <bje@au.ibm.com>
547 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
548 and powerpc64-*-linux* configurations.
549 * config/t-dfprules: New file.
551 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
552 Compile dfp-bit.c from the source directory using -DWIDTH and
553 $DFP_CFLAGS to control the compilation of that file, rather than
554 generating width-specific versions in the build directory.
555 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
556 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
558 2006-02-28 Zack Weinberg <zackw@panix.com>
560 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
563 2006-02-28 Eric Christopher <echristo@apple.com>
565 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
566 Set up IN_LIBGCC definition of TARGET_64BIT.
567 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
569 2006-02-28 Roger Sayle <roger@eyesopen.com>
572 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
573 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
574 cases via the construction of "expr != 0".
576 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
578 * alias.c (alias_invariant, alias_invariant_size): Remove.
579 (record_base_value): Remove.
580 (memrefs_conflict_p): Don't look at alias_invariant.
581 (end_alias_analysis): Don't free it.
582 * alias.h (record_base_value): Remove prototype.
584 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
585 Adam Nemet <anemet@caviumnetworks.com>
587 * rtl.h (truncated_to_mode): Declare it.
588 (struct rtl_hooks): Add reg_truncated_to_mode hook.
589 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
590 (RTL_HOOKS_INITIALIZER): Include it.
591 * rtlhooks.c (reg_truncated_to_mode_general): New function.
592 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
593 reg_truncated_to_mode.
594 * rtlanal.c (truncated_to_mode): Define it.
595 * simplify-rtx.c (simplify_unary_operation_1): Use it.
597 2006-02-28 Jeff Law <law@redhat.com>
599 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
600 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
601 the range allowed by TYPE_PRECISION.
603 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
605 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
607 PR tree-optimization/26419
608 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
611 2006-02-27 Zack Weinberg <zackw@panix.com>
613 * doc/md.texi: Fix typo in previous change.
615 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
619 2006-02-27 Zack Weinberg <zackw@panix.com>
621 * rtl.def (define_constraint, define_register_constraint)
622 (define_memory_constraint, define_address_constraint): New MD forms.
623 * gensupport.c (process_rtx): Put define_constraint etc on the
625 * genpreds.c (process_define_predicate): Adjust comment. Validate
626 the name, and call validate_exp to validate the expression.
627 (mark_mode_tests, write_extract_subexp): Can assume correct input.
628 (write_predicate_expr): Likewise. NAME argument no longer necessary;
630 (validate_exp, needs_variable, struct constraint_data)
631 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
632 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
633 (const_dbl_constraints, constraint_max_namelen)
634 (have_register_constraints, have_memory_constraints)
635 (have_address_constraints, have_address_constraints)
636 (have_extra_constraints, have_const_int_constraints)
637 (have_const_dbl_constraints, mangle, add_constraint)
638 (process_define_constraint, process_define_register_constraint)
639 (write_enum_constraint_num, write_lookup_constraint)
640 (write_insn_constraint_len, write_regclass_for_constraint)
641 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
642 (write_insn_extra_memory_constraint)
643 (write_insn_extra_address_constraint)
644 (write_satisfies_constraint_fns): New.
645 (write_tm_preds_h): If we have new-style constraint definitions,
646 prototype the functions generated from them, and define the
647 old constraint interface (still used by generic code) in terms of
649 (write_insn_preds_c): If we have new-style constraint definitions,
650 generate all relevant functions from those definitions.
651 (main): Handle define_constraint etc.
652 * genoutput.c (struct constraint_data, indep_constraints)
653 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
654 (mdep_constraint_len): New data structures and functions, defined
655 #ifdef USE_MD_CONSTRAINTS.
656 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
657 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
658 use new logic to validate operand constraints against constraint
660 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
662 * defaults.h: If none of the old-style constraint macros are
663 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
664 old-style macros; and poison REG_CLASS_FROM_LETTER,
665 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
667 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
668 * doc/md.texi: Document new constraint-definition mechanism and the
669 C interface it provides. Remove references to old mechanism
670 elsewhere in the document.
671 (Machine Constraints): Use pathnames relative to gcc directory,
672 i.e. config/ARCH/FILE. Change i386 section to refer to
673 config/i386/predicates.md; update that section to match docstrings.
674 * doc/tm.texi: Move all documentation of the old constraint-
675 definition macros to their own section, clearly mark as obsolete.
677 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
678 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
680 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
681 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
682 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
684 (splits and peepholes): Use satisfies_constraint_*.
685 * config/i386/i386.c (memory_address_length)
686 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
688 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
690 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
691 scalar operation to be put back into the loop.
693 2006-02-27 Jakub Jelinek <jakub@redhat.com>
696 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
697 (extract_cie_info): Handle S flag in augmentation string.
698 (execute_cfa_program): If context->signal_frame, execute also
699 fs->pc == context->ra instructions.
700 (uw_frame_state_for): If context->signal_frame, don't subtract one
701 from context->ra to find FDE.
702 (uw_update_context_1): Set context->signal_frame to
704 (_Unwind_GetIPInfo): New function.
705 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
706 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
708 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
709 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
710 * unwind-compat.c (_Unwind_GetIPInfo): New function.
711 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
712 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
713 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
714 * config/i386/linux-unwind.h (x86_fallback_frame_state,
715 x86_64_fallback_frame_state): Set fs->signal_frame.
716 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
717 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
718 (frob_update_context): Likewise. Workaround missing S flag in
719 Linux 2.6.12 - 2.6.16 kernel vDSOs.
720 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
721 Remove the psw_addr + 1 hack.
723 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
725 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
726 with aggregates here.
727 (find_func_aliases): Remove code for &<aggregate> from here.
729 2006-02-26 Roger Sayle <roger@eyesopen.com>
731 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
732 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
733 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
736 2006-02-26 Roger Sayle <roger@eyesopen.com>
739 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
741 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
743 * opts.c (decode_options): Do not handle flag_strength_reduce.
744 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
745 and OPT_fstrength_reduce.
746 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
747 flag_prefetch_loop_arrays for being nonzero.
748 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
750 (fprefetch-loop-arrays-rtl): Removed.
751 (flag_prefetch_loop_arrays): Do not specify the value.
753 * doc/passes.texi: Update documentation of loop optimizer
755 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
756 -frerun-loop-opt): Remove.
758 2006-02-26 Richard Guenther <rguenther@suse.de>
760 PR tree-optimization/26421
761 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
762 in function calls that are ADDR_EXPRs as using the whole structure.
764 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
766 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
767 * tree-pass.h (pass_loop_optimize): Remove.
768 * passes.c (pass_loop_optimize): Never run it.
769 * toplev.c (backend_init): Don't call init_loop.
770 * opts.c (flag_loop_optimize_set): Remove.
771 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
772 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
773 the old RTL loop optimizer when profiling enabled.
774 * predict.c (tree_estimate_probability): Always strip builtin_expect.
775 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
776 pre-headers for the sake of the old RTL loop optimizer.
777 * Makefile.in: Remove all references to loop.o.
779 * doc/invoke.texi: Remove all references to -floop-optimize
780 and -frerun-loop-opt.
782 2006-02-26 Zack Weinberg <zackw@panix.com>
784 * doc/md.texi (Machine Constraints): Refer to all files with paths
785 relative to gcc directory (i.e. config/CPU/file). Add missing
786 @table @code ... @end table to M32C subsection.
788 2006-02-26 Roger Sayle <roger@eyesopen.com>
790 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
792 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
794 2006-02-26 Roger Sayle <roger@eyesopen.com>
795 James A. Morrison <phython@gcc.gnu.org>
798 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
799 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
800 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
801 signedness of the shift operation.
803 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
805 PR tree-optimization/26359
806 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
808 2006-02-25 Roger Sayle <roger@eyesopen.com>
810 * simplify-rtx.c (simplify_relational_operation_1): Simplify
811 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
812 as X == 0, and some symmetry related transformations.
813 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
815 2006-02-25 Roger Sayle <roger@eyesopen.com>
818 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
819 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
820 symmetry related transformations. Fold (X^C1) == C2 as
823 2006-02-25 Juergen Weigert <jw@suse.de>
824 Richard Guenther <rguenther@suse.de>
826 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
828 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
830 * combine.c (gen_lowpart_or_truncate): Call
831 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
833 2006-02-24 Diego Novillo <dnovillo@redhat.com>
835 * doc/invoke.texi: Move -fopenmp description to "Options for
837 Remove reference to -lgomp.
839 2006-02-24 David Edelsohn <edelsohn@gnu.org>
841 * doc/install.texi: Require GNU tar version 1.14.
843 2006-02-24 Geoffrey Keating <geoffk@apple.com>
845 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
846 * doc/invoke.texi (C++ Dialect Options): Document
847 -fno-use-cxa-get-exception-ptr.
848 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
849 * configure: Regenerate.
850 * c.opt (fuse-cxa-get-exception-ptr): New.
851 * c-opts.c (c_common_handle_option): Handle
852 OPT_fuse_cxa_get_exception_ptr.
853 * c-common.c (flag_use_cxa_atexit): Update documentation.
854 (flag_use_cxa_get_exception_ptr): New.
855 * c-common.h (flag_use_cxa_get_exception_ptr): New.
856 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
858 (C_COMMON_OVERRIDE_OPTIONS): New.
860 2006-02-24 Roger Sayle <roger@eyesopen.com>
863 * combine.c (try_combine): Explicitly check whether GET_CODE is
864 a SET or a CLOBBER, instead on checking that it isn't a USE.
866 2006-02-24 Roger Sayle <roger@eyesopen.com>
868 * fold-const.c (fold_comparison): New subroutine of fold_binary
869 containing transformations common to both the equality and
870 ordering relational operators, factored out of fold_binary.
871 (fold_binary): Separate out the equality operators (EQ_EXPR
872 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
873 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
874 transformations common to both.
875 (fold_div_compare): Fix latent bugs in the previously unreachable
876 LT_EXPR and GE_EXPR cases.
878 2006-02-24 David Edelsohn <edelsohn@gnu.org>
880 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
881 decl libname for clog to __clog on AIX.
883 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
885 2006-02-24 Alan Modra <amodra@bigpond.net.au>
888 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
889 output traceback table for thunks. Localise rs6000_stack_info call.
891 2006-02-23 Roger Sayle <roger@eyesopen.com>
892 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
894 * gthr-posix.h (__gthrw): Fix typo in comment.
896 2006-02-23 Geoffrey Keating <geoffk@apple.com>
898 * doc/cpp.texi (Character sets): Document that we do support
899 input files to be in any character set.
901 2006-02-23 Jeff Law <law@redhat.com>
903 * tree.h (PHI_ARG_NONZERO): Remove.
904 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
905 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
906 node to the new node.
908 PR tree-optimization/26425
909 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
910 min/max, then assume its varying.
912 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
914 PR rtl-optimization/26316
915 * rtlanal.c (enum may_trap_p_flags): New.
916 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
917 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
918 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
919 (may_trap_after_code_motion_p): New function.
920 * loop-invariant.c (find_identical_invariants): Fix dump formating.
921 (find_invariant_insn): Use may_trap_after_code_motion_p.
922 * rtl.h (may_trap_after_code_motion_p): Declare.
924 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
926 * emit-rtl.c (immed_double_const): Cleanup.
928 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
930 Fix PR tree-optimization/26376
931 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
934 2006-02-23 Jakub Jelinek <jakub@redhat.com>
937 * gimplify.c (omp_add_variable): Guard variable size decl test with
938 DECL_SIZE (decl) check.
940 2006-02-23 Richard Guenther <rguenther@suse.de>
943 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
944 like aggregate types.
946 2006-02-23 Jakub Jelinek <jakub@redhat.com>
948 * configure.ac: Add --with{,out}-long-double-128 configure option.
949 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
950 * configure: Rebuilt.
951 * config.in: Rebuilt.
952 * doc/install.texi (Options specification): Document
953 --with-long-double-128.
955 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
956 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
957 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
958 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
960 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
962 * config/s390/s390.c (override_options): Handle
963 TARGET_DEFAULT_LONG_DOUBLE_128.
965 * config/alpha/alpha.c (override_options): Handle
966 TARGET_DEFAULT_LONG_DOUBLE_128.
968 * config/sparc/sparc.c (sparc_override_options): Handle
969 TARGET_DEFAULT_LONG_DOUBLE_128.
971 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
973 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
974 (real-install-headers-tar, real-install-headers-cpio)
975 (real-install-headers-cp): New targets.
977 2006-02-22 Richard Sandiford <richard@codesourcery.com>
979 * tree.h (variable_section): Delete.
980 * varasm.c (variable_section): Delete.
982 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
984 * install.texi: Add notes on install.texi2html.
985 (Building in parallel): Do not use footnotes.
987 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
990 * doc/install.texi (Configuration): Document --disable-libgomp.
992 2006-02-21 Geoffrey Keating <geoffk@apple.com>
994 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
996 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
998 * config/i386/sse.md (vec_extractv2df_1_sse): New.
999 (vec_extractv2df_0_sse): New.
1001 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1003 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
1004 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
1005 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
1006 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
1007 to the result of the expression.
1008 (def_cfa_1): Adjust.
1009 (frame_pointer_cfa_offset): Rename to...
1010 (frame_pointer_fb_offset): ... this. Adjust all uses.
1011 (convert_cfa_to_loc_list): Rename to...
1012 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
1013 Pass it on to build_cfa_loc.
1014 (compute_frame_pointer_to_cfa_displacement): Rename to...
1015 (compute_frame_pointer_to_fb_displacement): ... this. New
1016 offset parameter. Use it in computation.
1017 (gen_subprogram_die): Compute cfa_fb_offset with the new
1018 macro, and use it to compute the fb loc list and the
1021 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
1023 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
1024 replaced with register_operand.
1025 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
1026 non-DREG is expensive.
1027 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
1028 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
1031 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
1033 * doc/install.texi2html: Use set -e.
1035 2006-02-21 Richard Sandiford <richard@codesourcery.com>
1037 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1038 (ASM_OUTPUT_SHARED_LOCAL): Delete.
1039 * doc/invoke.texi (-fshared-data): Delete.
1040 * common.opt (fshared-data): Delete.
1041 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
1042 (assemble_static_space): Remove #if 0 code.
1043 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1044 (ASM_OUTPUT_SHARED_LOCAL): Poison.
1045 * config/cris/cris.h: Remove FIXME.
1047 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
1049 * doc/sourcebuild.texi (Front End Directory): No more double-colon
1052 2006-02-21 Jakub Jelinek <jakub@redhat.com>
1055 * combine.c (simplify_shift_const_1): Disable nested shifts
1056 optimization for vector shifts.
1058 2006-02-20 Roger Sayle <roger@eyesopen.com>
1060 PR tree-optimization/26361
1061 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
1062 of unsigned integer types.
1064 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
1066 * tree-chrec.c (eq_evolutions_p): New.
1067 * tree-chrec.h (eq_evolutions_p): Declared.
1068 * tree-data-ref.c: Fix formatting.
1069 (datadep_stats, dependence_stats): New.
1071 (print_direction_vector): New.
1072 (dump_data_dependence_relation): Use print_direction_vector.
1073 (object_analysis, create_data_ref): Handle COMPONENT_REF.
1074 (compute_subscript_distance): Static.
1075 (initialize_data_dependence_relation): Static. Get the number
1076 of loops surrounding the references from the callers, and initialize
1077 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
1078 base_object_differ_p analyzers.
1079 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
1080 compute_overlap_steps_for_affine_1_2,
1081 analyze_subscript_affine_affine): Count the classified dependences.
1082 Print a message when a test failed.
1083 (can_use_analyze_subscript_affine_affine): New.
1084 (analyze_siv_subscript): Compute the data dependences on symbolic
1085 scevs that verify can_use_analyze_subscript_affine_affine.
1086 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
1087 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
1088 Handle symbolic scevs.
1089 (analyze_overlapping_iterations): Let symbolic affine scevs to be
1091 (subscript_dependence_tester): Moved...
1092 (build_classic_dist_vector, build_classic_dir_vector): Don't use
1093 lambda_vector_clear on newly allocated vectors. Get nb_loops from
1094 DDR_SIZE_VECT instead of getting it in parameter.
1095 (subscript_dependence_tester): ... here. Take as a parameter
1096 loop_nest_depth. Call build_classic_dist_vector and
1097 build_classic_dir_vector.
1098 (compute_affine_dependence): Update subscript_dependence_tester
1099 parameters. Update datadep_stats counters. Call
1100 compute_subscript_distance.
1101 (compute_self_dependence): Save the dist and dir vectors. Call
1102 compute_subscript_distance.
1103 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
1104 (compute_all_dependences): Reorder parameters as they were before
1105 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
1106 compute_subscript_distance. Update the use of
1107 compute_affine_dependence and initialize_data_dependence_relation.
1108 (find_data_references_in_loop): Handle COMPONENT_REF.
1109 (compute_data_dependences_for_loop): Initialize dependence_stats.
1110 Don't call build_classic_dist_vector and build_classic_dir_vector.
1111 Update the parameters of initialize_data_dependence_relation and
1112 compute_all_dependences. Print the statistics from datadep_stats.
1113 (analyze_all_data_dependences): Static. Not used until the pass for
1114 checking the data dependences is contributed.
1115 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
1116 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
1117 (initialize_data_dependence_relation, compute_affine_dependence,
1118 analyze_all_data_dependences, compute_subscript_distance): Removed.
1119 (print_direction_vector): New.
1120 * lambda.h (gcd): ... here.
1121 (lambda_vector_gcd): Moved here from gcd_vector.
1122 * lambda-code.c (gcd, gcd_vector): Removed.
1123 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
1124 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
1126 2006-02-20 Diego Novillo <dnovillo@redhat.com>
1128 * ipa-type-escape.c: Tidy some comments and white space.
1129 * tree-ssa-operands.c: Likewise.
1131 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
1134 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
1135 (dump_decl_name): Do not walk the decl tree chains.
1136 * tree-pass.h (TDF_CHAIN): Remove.
1138 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1140 * Makefile.in (C): Remove
1142 (.PHONY): Remove C and PROTO
1144 2006-02-20 Roger Sayle <roger@eyesopen.com>
1147 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
1148 deprecated CHAR_TYPE tree code.
1150 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1152 * configure.ac (target_list): Add install-info, dvi, html.
1153 * configure: Regenerate.
1155 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
1156 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
1157 treelang/Make-lang.in: Do not use double-colon rules.
1159 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
1161 * tree.h (struct tree_memory_tag): Add is_used_alone member.
1162 (TMT_USED_ALONE): New macro.
1163 * tree-pass.h (PROP_tmt_usage): New property.
1164 (TODO_update_tmt_usage): New todo.
1165 * tree-ssa-alias.c (updating_used_alone): New variable.
1166 (recalculate_used_alone): New function.
1167 (compute_may_aliases): Set updating_used_alone, call
1168 recalculate_used_alone.
1169 * tree-sra.c (pass_sra): Note that this pass destroys
1170 PROP_tmt_usage, and add TODO_update_tmt_usage.
1171 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1172 * tree-flow.h (updating_used_alone): Prototype.
1173 (recalculate_used_alone): Ditto.
1174 * passes.c (execute_todo): Add code to set updating_used_alone,
1175 and call recalculate.
1176 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
1177 for clobber if used alone, and add assert to verify used_alone
1180 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
1182 * config/s390/s390.c (legitimize_pic_address): Assertions checking
1183 for non tls symbols added.
1184 (legitimize_address): Do nothing for PLUS expressions if one of the
1185 addends is a tls symbol reference.
1187 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
1191 * Makefile.in (LDFLAGS): Define from autoconf substitution.
1193 * Makefile.in (BOOTSTRAPPING): New.
1194 (quickstrap): New definition if BOOTSTRAPPING=yes.
1196 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
1197 * configure.ac: Substitute all_selected_languages with the languages
1198 that were configured. For all the other variables except
1199 lang_specs_files, include all the languages in the tree.
1200 * configure: Regenerate.
1202 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
1203 if there is one. Run the commands to run fixincludes in the same
1206 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
1207 * doc/install.texi: Document exact conventions for searching target tools.
1208 Document --with-build-time-tools. Document toplevel bootstrap. Document
1209 something more about building an Ada cross-compiler. Don't list GNU Make
1210 requirements which affect all platforms.
1212 2006-02-19 Roger Sayle <roger@eyesopen.com>
1215 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
1216 only equivalent if the have both the same mode and precision.
1218 2006-02-20 Ben Elliston <bje@au.ibm.com>
1220 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
1222 2006-02-19 Roger Sayle <roger@eyesopen.com>
1223 Steven Bosscher <stevenb.gcc@gmail.com>
1225 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
1226 constant pool references to identify stack mode constants.
1227 * rtlanal.c (constant_pool_constant_p): New predicate to check
1228 whether operand is a floating point constant in the pool.
1229 * rtl.h (constant_pool_constant_p): Prototype here.
1230 * loop.c (scan_loop): Avoid hoisting constants from the constant
1231 pool on STACK_REGS targets.
1232 (load_mems): Likewise.
1233 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
1234 loads into x87 registers expensive in terms of register pressure.
1236 2006-02-19 Roger Sayle <roger@eyesopen.com>
1238 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
1239 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
1241 2006-02-19 David Edelsohn <edelsohn@gnu.org>
1243 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
1244 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
1246 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
1248 * doc/invoke.texi: Document -fipa-pta.
1249 * common.opt: Add ipa-pta option.
1250 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
1251 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
1252 (do_ds_constraint): Ditto.
1253 (get_constraint_for): Only add to referenced_vars if
1254 referenced_vars exists.
1255 (insert_into_field_list): Rewrite to do this unsorted.
1256 (insert_into_field_list_sorted): Rename old insert_into_field_list
1258 (create_function_info_for): Use insert_into_field_list_sorted.
1259 (create_variable_info_for): Rewrite so it uses unsorted version,
1260 since the field list is sorted.
1261 (intra_create_variable_infos): Only add to referenced_vars if
1262 referenced_vars exists.
1263 (ipa_pta_execute): Init heapvars, and delete when done.
1264 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
1266 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1268 * doc/install.texi: Add missing `@samp'.
1270 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1272 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
1275 2006-02-18 Mark Wielaard <mark@klomp.org>
1277 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
1278 who added new 4.1 features, bug fixes and integration support.
1280 2006-02-18 David Edelsohn <edelsohn@gnu.org>
1283 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
1286 2006-02-18 Richard Sandiford <richard@codesourcery.com>
1288 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
1289 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
1290 (copy_insn_1): Likewise. Don't copy each field individually.
1292 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
1294 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
1295 * rtl.c (rtx_size): Rename variable to...
1296 (rtx_code_size): ...this.
1297 (rtx_size): New function.
1298 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
1299 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
1301 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
1302 * rtl.h (rtx_code_size): New variable.
1303 (rtx_size): Change from a variable to a function.
1304 (RTX_SIZE): Rename to...
1305 (RTX_CODE_SIZE): ...this.
1308 PR tree-optimization/17106
1309 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
1310 (Anchored Addresses): New section.
1311 * doc/invoke.texi (-fsection-anchors): Document.
1312 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
1313 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
1314 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
1315 * hooks.c (hook_bool_mode_rtx_false): New function.
1316 * hooks.h (hook_bool_mode_rtx_false): Declare.
1317 * gengtype.c (create_optional_field): New function.
1318 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
1319 SYMBOL_REF_IN_BLOCK_P is true.
1320 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
1321 (min_anchor_offset, max_anchor_offset): Likewise.
1322 (use_anchors_for_symbol_p): New hook.
1323 * toplev.c (compile_file): Call output_object_blocks.
1324 (target_supports_section_anchors_p): New function.
1325 (process_options): Check that -fsection-anchors is only used on
1326 targets that support it and when -funit-at-a-time is in effect.
1327 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
1328 if the decl doesn't have one.
1329 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
1330 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
1331 of force_const_mem through use_anchored_address.
1332 (expand_expr_constant): New function.
1333 (expand_expr_addr_expr_1): Call it. Use the same modifier when
1334 calling expand_expr for INDIRECT_REF.
1335 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
1336 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
1337 * expr.h (use_anchored_address): Declare.
1338 * loop-unroll.c: Don't declare rtx vectors here.
1339 * explow.c: Include output.h.
1340 (validize_mem): Call use_anchored_address.
1341 (use_anchored_address): New function.
1342 * common.opt (-fsection-anchors): New switch.
1343 * varasm.c (object_block_htab, anchor_labelno): New variables.
1344 (hash_section, object_block_entry_eq, object_block_entry_hash)
1345 (use_object_blocks_p, get_block_for_section, create_block_symbol)
1346 (use_blocks_for_decl_p, change_symbol_section): New functions.
1347 (get_variable_section): New function, split out from assemble_variable.
1348 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
1349 use_blocks_for_decl_p say so. Use change_symbol_section if the
1350 symbol has already been created.
1351 (assemble_variable_contents): New function, split out from...
1352 (assemble_variable): ...here. Don't output any code for
1353 block symbols; just pass them to place_block_symbol.
1354 Use get_variable_section and assemble_variable_contents.
1355 (get_constant_alignment, get_constant_section, get_constant_size): New
1356 functions, split from output_constant_def_contents.
1357 (build_constant_desc): Create a block symbol if use_object_blocks_p
1358 says so. Or into SYMBOL_REF_FLAGS.
1359 (assemble_constant_contents): New function, split from...
1360 (output_constant_def_contents): ...here. Don't output any code
1361 for block symbols; just pass them to place_section_symbol.
1362 Use get_constant_section and get_constant_alignment.
1363 (force_const_mem): Create a block symbol if use_object_blocks_p and
1364 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
1365 (output_constant_pool_1): Add an explicit alignment argument.
1366 Don't switch sections here.
1367 (output_constant_pool): Adjust call to output_constant_pool_1.
1368 Switch sections here instead. Don't output anything for block symbols;
1369 just pass them to place_block_symbol.
1370 (init_varasm_once): Initialize object_block_htab.
1371 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
1372 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
1373 (place_block_symbol, get_section_anchor, output_object_block)
1374 (output_object_block_htab, output_object_blocks): New functions.
1375 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
1376 (TARGET_ASM_OUT): Include it.
1377 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
1378 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
1379 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
1380 (TARGET_INITIALIZER): Include them.
1381 * rtl.c (rtl_check_failed_block_symbol): New function.
1382 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
1383 (block_symbol, object_block): New structures.
1384 (rtx_def): Add a block_symbol field to the union.
1385 (BLOCK_SYMBOL_CHECK): New macro.
1386 (rtl_check_failed_block_symbol): Declare.
1387 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
1388 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
1389 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
1390 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
1391 * output.h (output_section_symbols): Declare.
1392 (object_block): Name structure.
1393 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
1394 (default_use_anchors_for_symbol_p): Declare.
1395 * Makefile.in (RTL_BASE_H): Add vec.h.
1396 (explow.o): Depend on output.h.
1397 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
1398 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1399 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1400 (rs6000_use_blocks_for_constant_p): New function.
1402 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1404 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
1406 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
1409 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
1412 2006-02-18 Diego Novillo <dnovillo@redhat.com>
1414 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
1418 2006-02-18 Jakub Jelinek <jakub@redhat.com>
1421 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
1422 instead of DECL_REGISTER.
1424 2006-02-18 Olivier Hainque <hainque@adacore.com>
1427 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
1429 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
1432 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
1433 * opth-gen.awk: Handle Var and InverseMask together.
1434 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
1435 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
1436 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
1437 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
1439 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1440 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1441 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
1442 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1443 LINUX_DYNAMIC_LINKER): Define.
1444 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
1445 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
1447 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1448 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
1449 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1450 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1451 (TARGET_C99_FUNCTIONS): Don't define.
1452 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
1453 GLIBC_DYNAMIC_LINKER.
1454 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
1455 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
1456 GLIBC_DYNAMIC_LINKER64): Define.
1457 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1458 LINUX_DYNAMIC_LINKER64.
1459 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1460 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1461 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
1462 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1463 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1464 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1465 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
1466 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
1467 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
1468 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
1469 and LINUX_DYNAMIC_LINKER32.
1470 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1471 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1472 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
1473 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1474 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
1476 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
1477 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
1478 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1479 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1480 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1481 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
1482 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
1483 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
1484 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1485 LINUX_DYNAMIC_LINKER): Define.
1486 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
1487 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
1488 GLIBC_DYNAMIC_LINKER64): Define.
1489 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1490 LINUX_DYNAMIC_LINKER64.
1491 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1492 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1493 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
1494 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1495 LINUX_DYNAMIC_LINKER): Define.
1496 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1497 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1498 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
1499 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
1500 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
1501 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1502 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
1503 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
1504 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1505 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1506 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1507 * doc/invoke.texi (-muclibc): Remove caveat about supported
1510 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1512 * doc/cpp.texi (__TIMESTAMP__): Document.
1514 2006-02-17 Roger Sayle <roger@eyesopen.com>
1517 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
1518 C is one less than the width of X (and related transformations).
1519 * simplify-rtx.c (simplify_unary_operation_1): Transform
1520 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
1521 depending on STORE_FLAG_VALUE, were C is one less then the
1524 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
1526 Fix PR tree-optimization/26341
1527 * tree-ssa-operands.c (add_virtual_operand): Remove assert
1528 about NAME_MEMORY_TAG's.
1530 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1533 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
1534 with hardware float support, and software float support. Add fcpy
1535 alternative to hardware patterns. Add alternatives to copy between
1536 general and floating-point registers to the 32-bit pattern.
1537 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
1538 secondary reload to load a QI or HI mode constant into a floating
1540 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
1541 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
1543 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
1546 * config/rs6000/darwin.md (load_macho_picbase_si): Add
1548 (load_macho_picbase_di): Likewise.
1550 2006-02-16 Jeff Law <law@redhat.com>
1552 * tree-vrp.c (set_value_range_to_nonnegative): New function.
1553 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
1554 (ssa_name_nonzero_p): Likewise.
1555 (get_value_range): Return NULL if VRP is not running.
1556 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
1557 VRP routines do not discover a range.
1558 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
1559 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
1560 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
1561 (tree_expr_nonnegative_p): Similarly.
1562 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
1563 (restore_nonzero_vars_to_original_value): Remove.
1564 (unsafe_associative_fp_binop): Remove.
1565 (tree_ssa_dominator_optimize): Remove initialization and
1566 finalization of nonzero_vars and nonzero_vars_stack.
1567 (dom_opt_initialize_block): No longer push marker on
1569 (dom_opt_finalize_block): No longer call
1570 restore_nonzero_vars_to_original_value.
1571 (record_equivalences_from_phis): No longer look for
1572 nonzero PHI arguments.
1573 (cprop_into_successor_phis): No longer propagate nonzero
1574 property into PHI arguments. Lose unused argument. Caller
1576 (record_equivalences_from_stmt): No longer record nonzero
1577 values for SSA_NAMEs.
1578 (lookup_avail_expr): No longer use nonzero_vars.
1580 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
1581 for sizetype when sizetype is unsigned.
1583 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
1585 PR rtl-optimization/25603
1586 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
1587 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
1588 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
1589 with new meaning of SETS.
1591 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
1596 * config/linux.opt: New file.
1597 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
1598 LINUX_DYNAMIC_LINKER): Define.
1599 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
1600 * config.gcc (*-*-linux*): Define extra_options.
1601 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
1602 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
1603 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
1604 GLIBC_DYNAMIC_LINKER.
1605 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
1606 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1607 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1608 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1609 * doc/invoke.texi (GNU/Linux Options): New section.
1611 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1613 * config/sparc/sparc.md (setjmp): Rewrite.
1614 (setjmp_32): Delete.
1615 (setjmp_64): Likewise.
1617 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
1619 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
1622 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1624 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
1627 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1629 PR rtl-optimization/26296
1630 * Makefile.in (loop-invariant.c): Add except.h dependency.
1631 * loop-invariant.c: Include except.h.
1632 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
1634 2005-02-16 Paul Brook <paul@codesourcery.com>
1636 * reload1.c (emit_reload_insns): Invalidate dead input registers used
1639 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
1641 PR rtl-optimization/25636
1642 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
1643 when deciding whether an insn is an initializing insn.
1645 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
1647 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
1648 (tree_code_size): Ditto.
1649 * tree.h (struct tree_memory_tag): Remove parent_var.
1650 (struct tree_struct_field_tag): New.
1653 (union tree_node): Add sft member.
1654 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
1656 (create_sft): Add size and offset argument, set SFT_OFFSET and
1658 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
1659 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
1660 * tree-flow-inline.h (get_subvar_at): Update for
1661 SFT_OFFSET/SFT_SIZE.
1662 (var_can_have_subvars): Ditto.
1663 (overlap_subvar): Ditto.
1664 * print-tree.c (print_node): Print out interesting things for
1666 * tree-flow.h (struct subvar): Remove offset and size members.
1667 * tree-ssa-operands.c (get_expr_operands): Update for
1668 get_indirect_ref_operands changes.
1669 (get_indirect_ref_operands): Call add_virtual_operand instead of
1670 add_stmt_operand. Only recurse on base var if requested.
1671 (access_can_touch_variable): New function.
1672 (add_stmt_operand): Split virtual operand handling into ...
1673 (add_virtual_operand): Here. Add offset, size, and for_clobber
1674 arguments. Prune alias sets.
1675 (add_call_clobber_ops): Call add_virtual_operand.
1677 2006-02-15 Jakub Jelinek <jakub@redhat.com>
1680 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
1682 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
1683 than TREE_CODE as index into omp_clause_num_ops array.
1685 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
1687 PR rtl-optimization/26184
1688 * modulo-sched.c (generate_reg_moves): Free bitmap vector
1690 * modulo-sched.c (sms_schedule): Free g_arr pointer.
1691 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
1692 must_precede, must_follow and tobe_scheduled.
1695 * opts.c (common_handle_option): Free new_option pointer.
1696 * df-core.c (df_analyze): Free postorder pointer.
1698 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1700 * Makefile.in: Fix the examples about the use of stamps
1702 2006-02-15 Michael Matz <matz@suse.de>
1706 * stor-layout.c (layout_decl): Zero-width bitfields aren't
1707 influenced by maximum_field_alignment or DECL_PACKED.
1708 (update_alignment_for_field): Ditto.
1709 (place_field): Ditto.
1710 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
1713 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
1715 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
1716 (debug_flow_info): Pass it.
1717 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
1718 * bb-reorder.c (reorder_basic_blocks): Likewise.
1719 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
1720 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
1721 * flow.c (life_analysis, recompute_reg_usage): Likewise.
1722 * gcse.c (gcse_main, bypass_jumps): Likewise.
1723 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
1724 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
1725 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
1726 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
1727 * rtl.h (dump_flow_info): Adjust prototype.
1728 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
1729 * var-tracking.c (variable_tracking_main): Likewise.
1730 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
1731 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
1734 2006-02-15 Marcin Dalecki <martin@dalecki.de>
1736 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
1739 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
1741 PR tree-optimization/26209
1742 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
1743 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
1745 * tree-cfg.c (replace_uses_by): Do not alter cfg.
1747 2006-02-14 Roger Sayle <roger@eyesopen.com>
1750 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
1751 (X,Y) and the corresponding symmetry related transformations.
1752 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
1753 (X,Y) and its symmetry related transformations.
1755 2006-02-14 Roger Sayle <roger@eyesopen.com>
1757 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
1760 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
1762 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
1764 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1767 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
1768 support COMDAT group.
1769 * configure: Regenerate.
1771 2006-02-14 Roger Sayle <roger@eyesopen.com>
1776 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
1778 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
1780 Fix PR tree-optimization/26260
1782 * doc/invoke.texi (max-fields-for-field-sensitive): Document
1784 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
1785 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
1786 * tree-ssa-structalias.c (create_variable_info_for): Use
1787 MAX_FIELDS_FOR_FIELD_SENSITIVE.
1789 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
1791 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
1793 * tree-ssa-loop-niter.c (number_of_iterations_ne,
1794 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
1795 of the ending condition.
1796 * tree-ssa-loop-manip.c: Include params.h.
1797 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
1798 tree_unroll_loop): New functions.
1799 * tree-pass.h (pass_loop_prefetch): Declare.
1800 * loop.c (rest_of_handle_loop_optimize): Test for
1801 -fprefetch-loop-arrays-rtl.
1802 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
1803 * timevar.def (TV_TREE_PREFETCH): New timevar.
1804 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
1805 pass_loop_prefetch): New.
1806 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
1807 (cleanup_tree_cfg_loop): Call scev_reset.
1808 * common.opt (fprefetch-loop-arrays-rtl): Add.
1809 * tree-ssa-loop-prefetch.c: New file.
1810 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
1811 (new_temp_expr_table): Initialize expr_vars.
1812 (free_temp_expr_table): Cleanup expr_vars.
1813 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
1814 expressions from being merged into one.
1815 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
1816 (struct tree_niter_desc): Add control, bound and cmp fields.
1817 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
1819 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
1820 (tree-cfgcleanup.o): Add SCEV_H dependency.
1821 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
1822 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
1824 2006-02-14 Richard Guenther <rguenther@suse.de>
1826 PR tree-optimization/26258
1827 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
1828 in PHI argument processing.
1830 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
1832 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
1833 new expression in the requested machine mode.
1835 2006-02-13 Roger Sayle <roger@eyesopen.com>
1837 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
1838 directly, instead let do_compare_rtx_and_jump handle this for us.
1839 * expr.c (expand_expr_real_1): Likewise.
1840 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
1841 before do_jump_by_parts_greater.
1842 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
1843 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
1845 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1847 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
1849 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
1851 PR rtl-optimization/26235
1852 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
1853 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
1856 2006-02-13 Jeff Law <law@redhat.com>
1858 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
1861 2006-02-13 Jakub Jelinek <jakub@redhat.com>
1864 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
1865 twice if decl is a builtin. When trying again, call get_callee_fndecl
1866 first to verify it is still a builtin.
1868 2006-02-13 Geoffrey Keating <geoffk@apple.com>
1870 * dwarf2out.c (base_type_die): Don't add AT_name here.
1871 (subrange_type_die): Don't add AT_name here.
1872 (modified_type_die): Rearrange code flow. Do add AT_name here.
1874 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
1876 PR rtl-optimization/26247
1877 PR rtl-optimization/26248
1878 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
1880 2006-02-13 Richard Sandiford <richard@codesourcery.com>
1882 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
1883 * config/fixtfdi.c: Likewise.
1884 * config/fixunstfdi.c: Likewise.
1885 * config/floatditf.c: Likewise.
1887 2006-02-13 Roger Sayle <roger@eyesopen.com>
1890 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
1891 into (X,C2) if C1 is a subset of the bits of C2. Transform
1892 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
1894 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
1896 2006-02-13 Josh Conner <jconner@apple.com>
1899 * varasm.c (function_section): Check for section name before
1900 calling select_section on targets that define
1901 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
1902 unlikely_text_section instead of hot_function_section if
1903 first_function_block_is_cold.
1905 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
1908 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
1910 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1912 PR rtl-optimization/26222
1913 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
1914 after tree->rtl expansion.
1915 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
1916 before passing it to emit_move_insn.
1918 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
1920 * doc/invoke.texi (-Write-strings): Document that it is enabled by
1922 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
1923 Clarify documentation.
1924 * c-common.h (warn_write_strings): Remove.
1925 * c-common.c (warn_write_strings): Likewise.
1926 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
1929 2006-02-12 Roger Sayle <roger@eyesopen.com>
1932 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
1933 (do_jump_parts_zero_rtx): New function renamed from
1934 do_jump_parts_equality_rtx. Made static. Add a mode argument.
1935 (do_jump_parts_equality_rtx): New function split out from
1936 do_jump_parts_equality. Old implementation renamed as above.
1937 Call do_jump_parts_zero_rtx if either operand is zero.
1938 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
1939 do all of the heavy lifting.
1940 (do_compare_rtx_and_jump): Handle multi-word comparisons by
1941 calling either do_jump_by_parts_greater_rtx or
1942 do_jump_by_parts_equality_rtx.
1943 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
1944 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
1945 moved to do_compare_rtx_and_jump, call it directly.
1946 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
1947 mode argument. Call do_compare_rtx_and_jump.
1948 (emit_case_nodes): Update calls to do_jump_if_equal.
1950 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1952 PR rtl-optimization/26225
1953 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
1955 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1957 PR rtl-optimization/26232
1958 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
1960 2006-02-11 Jason Merrill <jason@redhat.com>
1963 * tree-inline.c (declare_return_variable): Just don't use the
1964 modify target if it's a gimple complex reg and the return slot
1967 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1969 * doc/contrib.texi: Update my entry.
1971 2006-02-10 Geoffrey Keating <geoffk@apple.com>
1973 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
1975 2006-02-10 Diego Novillo <dnovillo@redhat.com>
1977 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
1980 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
1982 * doc/invoke.texi (-floop-optimize2): Removed.
1983 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
1984 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
1985 Test flag_branch_on_count_reg only if HAVE_doloop_end.
1986 * common.opt (floop-optimize2): Removed.
1987 (fmove-loop-invariants): Enabled by default.
1989 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
1991 * tree-if-conv.c (combine_blocks): Free the result of
1992 get_loop_exit_edges.
1994 2006-02-10 Jeff Law <law@redhat.com>
1996 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
1998 PR tree-optimization/26213
1999 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
2000 loop trying to follow SSA_NAME_VALUE chains.
2002 2006-02-10 Richard Guenther <rguenther@suse.de>
2004 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
2005 deal with structures that end in implicitly variable sized arrays.
2007 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2009 PR rtl-optimization/24762
2010 * df-scan.c (df_bb_refs_record): Record correct registers defined on
2013 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2015 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
2016 (struct ivopts_data): Add regs_used field.
2017 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
2018 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
2019 instead of loop_data->regs_used;
2020 (free_loop_data): Do not free aux fields for loops.
2021 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
2022 and tree_ssa_iv_optimize_finalize.
2024 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
2026 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
2028 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2031 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
2032 computing the effective result type.
2034 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2037 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
2038 (tree_overlaps_hard_reg_set): Declare.
2039 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
2040 type and signature to match function type expected by walk_tree.
2041 (tree_overlaps_hard_reg_set): New function.
2042 (decl_conflicts_with_clobbers_p): Rename to:
2043 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
2044 Use tree_overlaps_hard_reg_set. Changed caller.
2045 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
2046 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
2047 * cris.c (cris_md_asm_clobbers): Likewise.
2049 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
2051 * reload1.c (emit_input_reload_insns): Delete code that tries to
2052 inherit using find_equiv_reg.
2054 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
2056 * c-common.h (flag_const_strings): Don't declare.
2057 * c-common.c (flag_const_strings): Remove.
2058 * c.opt (fconst_strings): Remove.
2059 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
2060 <OPT_Wwrite_strings>: Don't set flag_const_strings.
2061 (c_common_init_options): Don't set flag_const_strings.
2062 * doc/invoke.texi (-fno-const-strings): Remove documentation.
2064 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
2066 * arm.md (tlobits_cbranch): New pattern.
2067 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
2068 testing a single bit.
2070 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2073 * tree-ssa-pre.c (create_component_ref_by_pieces):
2074 Handle RETURN_DECL like VAR_DECL.
2076 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2079 * fold-const.c (fold_indirect_ref_1): Fold
2080 "*(foo *)&complexfoo" to "__real__ complexfoo"
2081 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
2083 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
2085 * tree-flow-inline.h (var_can_have_subvars):
2086 Volatile variables should not have subvariables.
2088 2006-02-09 Diego Novillo <dnovillo@redhat.com>
2091 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
2092 multiplying unsigned values.
2095 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
2097 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
2099 2006-02-08 Jason Merrill <jason@redhat.com>
2102 * tree.def: Elaborate on difference from MODIFY_EXPR.
2103 * doc/c-tree.texi (INIT_EXPR): Likewise.
2104 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
2105 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
2106 (gimplify_target_expr): Likewise.
2107 (gimplify_cond_expr): Remove target handling.
2108 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
2109 (gimplify_expr): Clobber it here.
2110 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
2111 Do return slot optimization if we have an INIT_EXPR.
2114 * tree-inline.c (declare_return_variable): Also clear
2115 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
2118 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
2121 * gimplify.c (gimplify_one_sizepos): Fix typo.
2123 2006-02-08 Jeff Law <law@redhat.com>
2125 PR tree-optimization/21417
2126 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
2127 across a backedge if the control statement at the end of the
2128 block is data dependent on other statements in the same block.
2129 (record_temporary_equivalences_from_stmts): Remove over-conservative
2130 test for threading across backedges.
2132 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
2133 control statement, handle all three special cases in the same
2134 manner as they all have the same desired solution. No longer
2135 special case edge flag updating when the post dominator is
2138 2006-02-08 Roger Sayle <roger@eyesopen.com>
2140 * tree.def (CHAR_TYPE): Remove.
2141 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
2142 * dwarf2out.c (base_type_die, is_base_type): Likewise.
2143 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
2144 (gen_string_type_die): Delete unreachable function.
2146 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
2147 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
2148 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
2149 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
2150 * builtins.c (type_to_class): Likewise.
2151 * fold-const.c (fold_convert, build_range_check,
2152 merge_ranges): Likewise.
2153 * expr.c (count_type_elements): Likewise.
2154 * c-pretty-print.c (pp_c_type_specifier): Likewise.
2155 * stor-layout.c (layout_type): Likewise.
2156 * ipa-type-escape.c (type_to_consider): Likewise.
2157 * gimplify.c (omp_firstprivatize_type_sizes,
2158 gimplify_type_sizes): Likewise.
2159 * explow.c (promote_mode): Likewise.
2160 * tree-sra.c (is_sra_scalar_type): Likewise.
2161 * varasm.c (output_constant): Likewise.
2162 * tree-inline.c (remap_type_1): Likewise.
2163 * convert.c (convert_to_pointer, convert_to_real,
2164 convert_to_integer, convert_to_complex): Likewise.
2166 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
2168 * df-scan.c (df_def_record_1): A set destination may
2169 be a parallel regardless of mode.
2171 2006-02-08 Roger Sayle <roger@eyesopen.com>
2174 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
2175 * config/mips/_tilib.c: Remove.
2176 * config/fixtfdi.c: New libgcc source file.
2177 * config/fixunstfdi.c: New source file.
2178 * config/floatditf.c: New source file.
2179 * config/floatunditf.c: New souce file.
2180 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2181 files above instead of config/mips/_tilib.c.
2182 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2184 2006-02-08 Jeff Law <law@redhat.com>
2186 PR tree-optimization/26169
2187 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
2190 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
2192 * df.h (DF_REG_SIZE): Return the length of the initialized
2195 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
2197 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
2198 __muldf3): Return a correctly signed zero.
2200 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
2202 * passes.c (register_one_dump_file): Accept the current properties
2203 instead of pass number. Adjust call to dump_register. Remove
2205 (register_dump_files): Now a wrapper around...
2206 (register_dump_files_1): ... this one. Do not modify the pass
2208 (next_pass_1): Cosmetic fix.
2209 (execute_todo): Keep second parameter only. Use curr_properties
2210 instead of fetching it from the pass structure. Check and set
2212 (execute_one_pass): Handle TODO_set_props. Use curr_properties
2213 instead of fetching it from the pass structure. Fix calls to
2214 execute_todo. Update curr_properties and initialize .vcg RTL dump
2215 after running the pass. Reset last_verified.
2216 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
2218 (FIRST_AUTO_NUMBERED_DUMP): New.
2219 (dump_register): Remove "num" parameter, assign it within the
2221 (get_dump_file_name): Modify template for dumps.
2222 * tree-dump.h (dump_register): Adjust prototype.
2223 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
2224 (PROP_trees): Add PROP_gimple_lomp.
2225 (TODO_set_props): New.
2226 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
2227 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
2228 * cfgexpand.c (pass_expand): Destroy PROP_trees.
2230 2006-02-08 Jakub Jelinek <jakub@redhat.com>
2232 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
2233 (sparc64-*-linux*): Likewise.
2234 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
2235 * config/sparc/t-linux: New file.
2236 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
2237 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
2238 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
2239 -m32 -mlong-double-128.
2241 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
2242 * config/alpha/t-linux: New file.
2243 * config/alpha/libgcc-alpha-ldbl.ver: New file.
2245 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
2246 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
2247 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
2248 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
2249 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
2250 (CPP_ARCH32_SPEC): Remove.
2252 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
2254 PR tree-optimization/26145
2255 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
2258 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2261 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
2262 >= 240000 when generating code for SOM runtime.
2263 (output_indirect_call): Don't use "b,l" instruction for indirect calls
2264 to $$dyncall when generating code for SOM runtime..
2266 2006-02-07 Dirk Mueller <dmueller@suse.com>
2269 * doc/invoke.texi (-Wsequence-point): Update documentation
2270 that -Wsequence-point is implemented for C++ as well.
2272 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2274 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
2275 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
2276 (LIB_SPEC): Likewise.
2277 * doc/invoke.texi (SPARC options): Document -pthread.
2279 2006-02-07 Geoffrey Keating <geoffk@apple.com>
2281 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
2284 2006-02-07 Roger Sayle <roger@eyesopen.com>
2286 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
2287 Correct comment describing BOOLEAN_TYPE.
2289 2006-02-07 Dirk Mueller <dmueller@suse.com>
2291 * c.opt: C++ frontend supports -Wdiv-by-zero.
2292 * c-opts.c (c_common_handle_option): Remove dead case.
2294 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2296 * configure.ac (TLS assembler check): Do not enable TLS by
2297 default on SPARC/Solaris before version 10.
2298 * configure: Regenerate.
2300 2006-02-07 David Edelsohn <edelsohn@gnu.org>
2302 * doc/invoke.texi (xl-compat): Document conversion and support
2305 2006-02-07 Jeff Law <law@redhat.com>
2307 * tree-vrp.c (find_conditional_asserts): Update comments.
2308 (simplify_stmt_for_jump_threading): New.
2309 (identify_jump_threads, finalize_jump_threads): New.
2310 (vrp_finalize): Call identify_jump_threads.
2311 (execute_vrp): Call finalize_jump_threads.
2312 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
2313 (vrp_element, vrp_data, vrp_element_p): Remove.
2314 (vrp_hash_elt, vrp_variables_stack): Remove.
2315 (vrp_hash, vrp_eq, record_range): Remove.
2316 (simplify_cond_and_lookup_avail_expr): Remove.
2317 (extract_range_from_cond): Remove.
2318 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
2319 (simplify_stmt_for_jump_threading): New.
2320 (dom_thread_across_edge): New wrapper.
2321 (tree_ssa_dominator_optimize): No longer initialize or
2322 finalize any of the VRP datastructures. Remove iteration
2323 step and simplify as a result of removal of iteration step.
2324 (pass_dominator): Perform a cfg cleanup after DOM.
2325 (dom_opt_finalize_block): Use the new common routines
2326 for threading jumps. Simplify stack management slightly.
2327 No longer need to unwind VRP state.
2328 (record_equivalences_from_incoming_edge): No longer record
2330 (eliminate_redundant_computations): No longer call
2331 simplify_cond_and_lookup_avail_expr.
2332 * tree-flow.h (potentially_threadable_block): Prototype.
2333 (thread_across_edge): Likewise.
2334 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
2335 (tree-ssa-threadedge.o): Add dependencies.
2336 * tree-ssa-threadedge.c: New file.
2337 * passes.c (init_optimization_passes): Merge PHIs before
2338 calling VRP. Run VRP again late in the SSA optimization pipeline.
2340 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2342 * df-core.c (df_set_blocks): Do not dereference function pointers.
2343 (df_finish1): Likewise.
2344 (df_hybrid_search_forward): Likewise.
2345 (df_hybrid_search_backward): Likewise.
2346 (df_iterative_dataflow): Likewise.
2347 (df_analyze_problem): Likewise.
2348 (df_compact_blocks): Likewise.
2349 (df_dump): Likewise.
2350 * df-scan.c (df_rescan_blocks): Likewise.
2351 (df_record_entry_block_defs): Likewise.
2353 * genconditions.c (write_conditions): Guard the definition of
2354 'insn_conditions' with the check on GCC version.
2355 (write_writer): Guard the traversal 'insn_conditions' with
2356 the check on GCC version.
2358 2006-02-07 Richard Guenther <rguenther@suse.de>
2362 2006-01-30 Richard Guenther <rguenther@suse.de>
2364 * gimplify.c (gimplify_target_expr): Handle easy cases
2365 without creating a temporary.
2367 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
2369 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
2370 use of float in probability computations. Use edge probabilities
2371 in place of statically computed probabilities.
2372 (min_spec_prob): New static variable.
2373 (schedule_insns): Initialize it.
2374 (GET_SRC_PROB): Removed.
2375 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
2377 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
2380 * config/ia64/unwind-ia64.c: Revert last change.
2381 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
2382 (INCOMING_FRAME_SP_OFFSET): Define.
2384 2006-02-06 Roger Sayle <roger@eyesopen.com>
2386 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
2388 2006-02-07 Ben Elliston <bje@au.ibm.com>
2390 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
2391 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
2392 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
2393 (ix86_return_in_memory): Handle TDmode.
2394 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
2395 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
2397 2006-02-06 Richard Sandiford <richard@codesourcery.com>
2399 * reorg.c (dbr_schedule): Use dump_file instead of file.
2401 2006-02-06 Steve Ellcey <sje@cup.hp.com>
2404 * config/ia64/predicates.md (extr_len_operand): New predicate.
2405 * config/ia64/ia64.md (extv): Tighten constraints.
2407 (*tbit_and_2): Ditto.
2408 (*tbit_and_3): Ditto.
2409 (*tbit_or_2): Ditto.
2410 (*tbit_or_3): Ditto.
2414 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
2417 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
2419 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
2421 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
2422 loop_optimizer_init and loop_optimizer_finalize
2423 * tree-ssa-sink.c (execute_sink_code): Ditto.
2424 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2425 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
2426 tree_ssa_loop_done): Ditto.
2427 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
2428 * sched-ebb.c: Include output.h.
2429 (schedule_ebbs): Do not use dump argument.
2430 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
2431 * loop.c (loop_dump_stream): Removed.
2432 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
2434 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
2435 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
2436 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
2437 loop_iterations, strength_reduce, record_biv, record_giv,
2438 final_giv_value, check_final_value, check_ext_dependent_givs,
2439 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
2440 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
2441 dump_file instead of loop_dump_stream.
2442 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
2444 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
2446 * flow.c (life_analysis, rest_of_handle_life): Ditto.
2447 * haifa-sched.c: Include output.h
2448 (schedule_insns, sched_init): Do not use dump argument.
2449 * mode-switching.c (optimize_mode_switching): Ditto.
2450 * modulo-sched.c (stats_file): Removed.
2451 (print_node_sched_params): Do not call argument dump_file.
2452 (sms_schedule_by_order, loop_canon_p, sms_schedule,
2453 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
2455 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
2457 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
2458 rtl_loop_init, rtl_loop_done): Ditto.
2459 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
2460 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
2462 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
2463 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
2464 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
2465 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
2466 * emit-rtl.c (renumber_insns): Ditto.
2467 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
2468 expand_gimple_basic_block, tree_expand_cfg): Ditto.
2469 * regclass.c (regclass): Ditto.
2470 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
2471 remove_ssa_form, rewrite_out_of_ssa): Ditto.
2472 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
2473 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
2475 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
2476 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
2478 * gcse.c (gcse_file, debug_stderr): Removed.
2479 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
2480 rest_of_handle_gcse): Do not use dump argument.
2481 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
2482 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
2483 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
2484 compute_code_hoist_vbeinout, compute_code_hoist_data,
2485 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
2486 compute_store_table, build_store_vectors, insert_insn_start_bb,
2487 insert_store, remove_reachable_equiv_notes, replace_store_insn,
2488 store_motion): Use dump_file instead of gcse_file.
2489 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
2490 * profile.c (profile_dump_file): Removed.
2491 (branch_prob): Use dump_file instead of profile_dump_file.
2492 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
2494 * tree-ssa-copy.c (dump_copy_of): Ditto.
2495 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
2496 dump file to life_analysis.
2497 * bt-load.c (branch_target_load_optimize): Ditto.
2498 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
2500 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
2501 regclass, dbr_schedule): Declaration changed.
2502 * sched-int.h (sched_init): Declaration changed.
2503 * tree-profile.c (tree_profile_dump_file): Removed.
2504 (tree_profile_hooks): Removed profile_dump_file hook.
2505 * rtl-profile (rtl_profile_dump_file): Removed.
2506 (rtl_profile_hooks): emoved profile_dump_file hook.
2507 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
2509 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
2510 * tree-cfg.c (build_tree_cfg): Ditto.
2511 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
2512 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
2513 Declaration changed.
2514 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
2515 life_analysis and schedule_insns.
2516 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
2518 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
2520 * config/mips/mips.c (mips_reorg): Ditto.
2521 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
2524 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
2526 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2527 (s390_mangle_fundamental_type): New.
2528 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2531 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2532 (alpha_mangle_fundamental_type): New.
2533 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2536 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2538 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2540 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2541 (sparc_mangle_fundamental_type): New.
2543 2006-02-06 Jakub Jelinek <jakub@redhat.com>
2545 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
2546 (s390x-*-linux*): Likewise.
2547 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
2548 * config/s390/t-linux: New file.
2550 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2552 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
2553 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
2555 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
2557 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
2558 (ANTIC_SAFE_LOADS): New macro.
2559 (find_or_generate_expression): Add prototype.
2560 (set_contains_value): Allow null set for sake of not always having
2561 to allocate ANTIC_SAFE_LOADS.
2562 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
2563 Allow COMPONENT_REF too.
2564 (valid_in_set): Allow COMPONENT_REF.
2565 Check ANTIC_SAFE_LOADS too.
2566 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
2567 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
2569 (can_PRE_operation): Add COMPONENT_REF.
2570 (create_component_ref_by_pieces): New function.
2571 (create_expression_by_pieces): Use create_component_ref_by_pieces.
2572 (insert_aux): Move AGGREGATE_TYPE_P check here.
2573 (compute_avail): Set bb local stmt uids.
2574 (pass_pre): Use TODO_update_ssa_only_virtuals.
2576 2006-02-06 Ben Elliston <bje@au.ibm.com>
2578 * configure.ac: Unconditionally disable decimal float by default.
2579 * configure: Regenerate.
2581 2006-02-06 Ben Elliston <bje@au.ibm.com>
2583 * read-rtl.c (read_name): Terminate reading on EOF.
2585 2006-02-06 Ben Elliston <bje@au.ibm.com>
2587 * dfp.c (decimal_real_arithmetic): Change second argument type
2588 from int to enum tree_code. Do not always return true, but now
2589 return result of any call to decimal_do helper functions.
2590 * dfp.h (decimal_real_arithmetic): Update prototype.
2592 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
2594 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
2596 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
2599 * tree-cfg.c (cleanup_dead_labels): Also don't remove
2602 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2604 * tree-vrp.c (cfg_loops): Removed.
2605 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
2606 Use current_loops instead of cfg_loops. Pass flags to
2607 loop_optimizer_init.
2608 * cfgloopmanip.c (fix_loop_structure): Update only available
2610 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
2611 loop_optimizer_init.
2612 * modulo-sched.c (build_loops_structure): Removed.
2613 (sms_schedule): Use loop_optimizer_init.
2614 * loop-init.c (loop_optimizer_init): Use flags to determine
2615 which properties of loops to prepare.
2616 (rtl_loop_init): Pass flags to loop_optimizer_init.
2617 * tree-ssa-sink.c (execute_sink_code): Ditto.
2618 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
2619 * tree-ssa-pre.c (init_pre): Ditto.
2620 * cfgloop.h (LOOPS_NORMAL): New.
2621 (loop_optimizer_init): Declaration changed.
2623 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2625 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
2626 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
2628 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
2630 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
2632 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
2633 * pa/t-pa64: Delete quadlib.c rule.
2634 * pa/x-ada: Revert last change.
2635 * pa/t-pa: Revert last change. Delete quadlib.c rule.
2637 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2639 PR rtl-optimization/26087
2640 * rtlanal.c (canonicalize_condition): Do not cross basic block
2643 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
2646 * config/ia64/ia64.c: Include debug.h.
2647 (MAX_ARTIFICIAL_LABEL_BYTES): New.
2648 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
2649 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
2650 (process_epilogue, process_set, process_for_unwind_directive):
2651 Output unwind info only if requested. Add CFA info if requested.
2652 Add new arguments as needed. Adjust callers.
2653 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
2655 (DWARF2_FRAME_INFO): Define to zero.
2656 * config/ia64/unwind-ia64.c: Remove code that compensated for
2657 the CFA offset error fixed above.
2658 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
2659 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
2660 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
2661 -funwind-tables and -fexceptions to enable frame info.
2662 (dwarf2out_frame_init): Define initial CFA even if
2663 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
2664 DWARF2_UNWIND_INFO is nonzero, not just defined.
2665 (dwarf2out_frame_finish): Output non-EH call frame info only
2666 if DWARF2_FRAME_INFO is nonzero.
2667 (convert_cfa_to_loc_list,
2668 compute_frame_pointer_to_cfa_displacement): Define even if
2669 unwind info is not supported.
2670 (gen_subprogram_die): Use the above unconditionally. Remove
2671 legacy alternate code.
2672 * toplev.c (compile_file): Compile in call to
2673 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
2674 (lang_dependent_init): Ditto for dwarf2out_frame_init.
2676 2006-02-04 David Edelsohn <edelsohn@gnu.org>
2677 Jakub Jelinek <jakub@redhat.com>
2679 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
2680 IBM extended float format long double as "g" on powerpc*-linux.
2682 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2685 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
2686 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
2688 2006-02-03 Jason Merrill <jason@redhat.com>
2691 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
2694 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
2695 on the return slot if it's an NRV.
2697 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
2699 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
2700 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
2701 rewrite_use): Do not handle USE_OUTER.
2702 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
2703 add_iv_outer_candidates, may_replace_final_value,
2704 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
2705 (find_interesting_uses_op): Functionality of
2706 find_interesting_uses_outer_or_nonlin moved here.
2707 (find_interesting_uses_outside): Use find_interesting_uses_op.
2709 2006-02-03 Alan Modra <amodra@bigpond.net.au>
2712 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
2714 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
2715 Ulrich Weigand <uweigand@de.ibm.com>
2718 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
2719 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
2720 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
2721 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
2723 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
2724 (s390_rtx_costs): Use the new fields to calculate rtx costs.
2725 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
2726 Define secondary reloads for TFmode moves.
2727 (constant_modes): Add TFmode.
2728 (NR_C_MODES): Set to 8.
2729 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
2731 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
2732 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
2733 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
2734 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
2735 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
2736 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
2737 (FPR mode macro): Add TFmode.
2738 (DSF mode macro): New.
2739 (<de>, <dee> mode attributes): Removed.
2740 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
2741 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
2742 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
2743 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
2744 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
2745 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
2746 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
2747 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
2748 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
2749 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
2750 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
2751 "*negabs<mode>2", "sqrt<mode>2"):
2752 Changed <de> to <xde>. R constraint replaced by <Rf>.
2753 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
2755 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
2756 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
2757 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
2759 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
2760 "extenddftf2", "extendsftf2"): New expanders.
2761 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
2762 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
2763 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
2764 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
2766 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
2767 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
2768 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
2769 __floatditf): Add a GCC_4.1.0 symbol version tag.
2770 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
2773 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
2776 * config/i386/i386.c (ix86_function_ok_for_sibcall):
2777 Use targetm.binds_local_p instead of TREE_PUBLIC.
2779 2006-02-02 Roger Sayle <roger@eyesopen.com>
2781 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
2782 on INTEGER_TYPEs to indicate that it denotes a character type.
2783 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
2784 signed_char_type_node, unsigned_char_type_node and char_type_node.
2785 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
2786 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
2787 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
2789 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
2790 Daniel Berlin <dberlin@dberlin.org>
2792 * tree-tailcall.c (arg_needs_copy_p): New function.
2793 (eliminate_tail_call): Use arg_needs_copy_p.
2794 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
2795 (add_virtual_phis): New function.
2797 2006-02-02 Jakub Jelinek <jakub@redhat.com>
2799 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
2800 #ignore instead of #scratch for %g7 .register directive.
2802 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
2804 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
2807 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2809 * flow.c (calculate_global_regs_live): Assert that there aren't any
2812 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
2814 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
2816 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
2817 bsi_after_labels iterator.
2818 * tree-if-conv.c (find_phi_replacement_condition,
2819 replace_phi_with_cond_modify_expr): Likewise.
2820 * tree-scalar-evolution.c (scev_const_prop): Likewise.
2821 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
2823 2006-02-02 Diego Novillo <dnovillo@redhat.com>
2825 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
2827 2006-02-02 Diego Novillo <dnovillo@redhat.com>
2830 * tree-cfg.c (move_block_to_fn): Clear out the basic block
2831 array after growing it.
2833 2006-02-01 Steve Ellcey <sje@cup.hp.com>
2836 * fold-const.c (fold_checksum_tree): Change type of buf.
2838 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
2840 * reload.c (push_secondary_reload): Initialize t_icode.
2842 2006-02-01 Jakub Jelinek <jakub@redhat.com>
2844 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
2845 -msoft-float -mlong-double-128 only issue a warning, but don't
2846 swich to DFmode long double.
2848 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
2850 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
2851 has a constant equivalent, iterate over equivalents for arg0,
2852 calling simplify_relational_operation and if there's a result
2853 cheaper than X, apply fold_rtx and return the result.
2855 2006-02-01 Jan Hubicka <jh@suse.cz>
2857 * opts.c (no_unit_at_a_time_default): New global variable.
2858 (decode_options): Use it.
2859 * opts.h (no_unit_at_a_time_default): Declare.
2861 2006-02-01 Paul Brook <paul@codesourcery.com>
2863 * function.c (assign_parm_setup_reg): Use function argument promotion
2865 * expr.c (expand_expr_real_1): Use function argument promotion rules
2868 2006-02-01 Steve Ellcey <sje@cup.hp.com>
2870 * gcc.c (process_command): Change j to 'unsigned int'.
2872 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2875 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
2876 Use the corrected index for the character
2877 out of the string constant.
2879 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2881 * mode-switching.c (optimize_mode_switching): Fix size
2882 allocated for bb_info[n_entities].
2884 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2886 * gcc.c (main): Correct type that is allocated for
2887 explicit_link_files.
2889 2006-01-31 Jakub Jelinek <jakub@redhat.com>
2891 * config/s390/s390.c (init_alignment_context): Set
2892 ALIAS_SET_MEMORY_BARRIER on the MEM.
2893 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
2895 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
2898 * loop-unroll.c (unroll_loop_runtime_iterations): Free
2900 * tree-ssa-live.c (type_var_init): Allocate bitmap after
2903 2006-01-31 Marcin Dalecki <martin@dalecki.de>
2905 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
2906 * regrename.c: Ditto.
2907 * tree-ssa-loop-im.c: Ditto.
2908 * tree-dump.c: Ditto.
2909 * tree-complex.c: Ditto.
2910 * genrecog.c: Ditto.
2911 * tree-ssa-threadupdate.c: Ditto.
2913 * java/class.c: Ditto.
2914 * java/jcf-parse.c: Ditto.
2915 * java/resource.c: Ditto.
2916 * java/except.c: Ditto.
2917 * java/jvspec.c: Ditto.
2918 * java/jcf-write.c: Ditto.
2919 * java/jcf-path.c: Ditto.
2920 * java/gjavah.c: Ditto.
2921 * java/zextract.c: Ditto.
2922 * java/jcf-io.c: Ditto.
2923 * java/jcf.h: Ditto.
2924 * java/buffer.c: Ditto.
2925 * java/lang.c: Ditto.
2926 * java/parse-scan.y: Ditto.
2927 * java/lex.c: Ditto.
2928 * java/lex.h: Ditto.
2929 * cfgloopmanip.c: Ditto.
2930 * postreload-gcse.c: Ditto.
2931 * tree-ssa-loop-manip.c: Ditto.
2932 * postreload.c: Ditto.
2933 * tree-ssa-loop-ch.c: Ditto.
2937 * diagnostic.c: Ditto.
2939 * genoutput.c: Ditto.
2941 * cfghooks.c: Ditto.
2942 * cfgloopanal.c: Ditto.
2943 * objc/objc-act.c: Ditto.
2945 * genextract.c: Ditto.
2946 * genautomata.c: Ditto.
2947 * pretty-print.c: Ditto.
2949 * cgraphunit.c: Ditto.
2952 * haifa-sched.c: Ditto.
2953 * dominance.c: Ditto.
2955 * tree-ssa-loop-ivopts.c: Ditto.
2957 * mode-switching.c: Ditto.
2958 * modulo-sched.c: Ditto.
2960 * ipa-pure-const.c: Ditto.
2962 * fix-header.c: Ditto.
2964 * tree-stdarg.c: Ditto.
2965 * ipa-utils.c: Ditto.
2966 * loop-init.c: Ditto.
2967 * ipa-inline.c: Ditto.
2970 * alloc-pool.c: Ditto.
2971 * dwarf2out.c: Ditto.
2973 * genattrtab.c: Ditto.
2974 * tree-ssa-loop-ivcanon.c: Ditto.
2978 * fortran/gfortranspec.c: Ditto.
2980 * local-alloc.c: Ditto.
2981 * langhooks.c: Ditto.
2982 * function.c: Ditto.
2983 * tree-vectorizer.c: Ditto.
2985 * ipa-type-escape.c: Ditto.
2987 * tree-if-conv.c: Ditto.
2990 * tree-data-ref.c: Ditto.
2991 * loop-unroll.c: Ditto.
2992 * treelang/treetree.c: Ditto.
2995 * ggc-common.c: Ditto.
2997 * coverage.c: Ditto.
2999 * tree-cfgcleanup.c: Ditto.
3000 * tree-ssa-pre.c: Ditto.
3001 * cfgcleanup.c: Ditto.
3002 * loop-invariant.c: Ditto.
3004 * ipa-prop.c: Ditto.
3005 * print-tree.c: Ditto.
3006 * conflict.c: Ditto.
3007 * ggc-page.c: Ditto.
3008 * sched-deps.c: Ditto.
3009 * regclass.c: Ditto.
3010 * tree-object-size.c: Ditto.
3012 * bb-reorder.c: Ditto.
3013 * resource.c: Ditto.
3014 * var-tracking.c: Ditto.
3016 * df-problems.c: Ditto.
3017 * reg-stack.c: Ditto.
3020 * sched-rgn.c: Ditto.
3021 * tree-ssa-structalias.c: Ditto.
3022 * tree-ssa-reassoc.c: Ditto.
3023 * config/darwin-c.c: Ditto.
3024 * config/darwin.c: Ditto.
3025 * config/arm/arm.c: Ditto.
3027 * collect2.c: Ditto.
3030 2006-01-31 Nicolas Pitre <nico@cam.org>
3032 * arm.md (smaxsi3): Make aware of smax_m1.
3035 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
3037 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
3039 2006-01-31 Richard Guenther <rguenther@suse.de>
3041 * doc/invoke.texi (-msselibm): Document.
3042 * target.h (expand_library_builtin): New target hook.
3043 * builtins.c (expand_builtin): Use expand_library_builtin.
3044 (default_expand_library_builtin): New function.
3045 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3046 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3047 (link_gcc_math_spec): Declare.
3048 (static_specs): Add link_gcc_math_spec.
3049 * expr.h (default_expand_library_builtin): Declare.
3050 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3051 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3052 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3053 * config/i386/i386.opt (msselibm): New target option.
3054 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3055 (ix86_init_sse_abi_builtins): New function.
3056 (ix86_expand_library_builtin): Likewise.
3057 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3058 (override_options): Handle error conditions wrt -msselibm.
3059 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3060 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3061 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3064 2006-01-31 Richard Guenther <rguenther@suse.de>
3065 Paolo Bonzini <bonzini@gnu.org>
3067 * doc/install.texi (--disable-libgcc-math): Document.
3069 2006-01-30 Marcin Dalecki <martin@dalecki.de>
3071 * expr.h (expand_normal): new inline function.
3072 * builtins.c: use it, use EXPAND_NORMAL explicitely.
3074 * dwarf2out.c: use it.
3079 * config/sparc/sparc.c: use it.
3080 * config/i386/i386.c: use it.
3081 * config/rs6000/rs6000.c: use it.
3082 * config/arm/arm.c: use it.
3083 * config/mips/mips.c: use it.
3084 * stmt.c: use it, use EXPAND_NORMAL explicitely.
3086 2006-01-30 Roger Sayle <roger@eyesopen.com>
3088 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
3089 argv to the appropriate type.
3091 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
3093 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
3096 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
3099 * config/s390/s390.c (struct machine_function): New flag
3100 decomposed_literal_pool_addresses_ok_p.
3101 (s390_reorg): Set it before final stage of literal pool transforms.
3102 (s390_decompose_address): Only accept displacements of the form
3103 (minus (label_ref ...) (label_ref ...)) if that flag is set.
3105 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
3107 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
3108 the comparison routine return.
3110 2006-01-30 Michael Matz <matz@suse.de>
3112 * global.c (find_reg): Only evict for global regs.
3113 Take n_refs into account and dump more info.
3115 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
3118 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
3119 (pragma_trap, pragma_nosave_low_regs): Likewise.
3120 (current_function_anonymous_args): Likewise.
3121 (sh_deferred_function_attributes): New variable.
3122 (sh_deferred_function_attributes_tail): Likewise.
3123 (print_operand): For '@', look up trap_exit attribute.
3124 (calc_live_regs): Look up trapa_handler attribute. For trapa
3125 handlers, save/restore fpscr, but don't do any other
3126 interrupt-specific saves.
3127 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
3128 Fix check for partially saved registers to check for SHmedia.
3129 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
3130 (sh_output_function_epilogue): Don't clear any of the removed
3132 (sh_insert_attributes): Don't check pragma_interrupt.
3133 Insert deferred attributes. Check that interrupt attribute is
3134 present for other attributes that require its presence.
3135 (sh_attribute_table): Add new attributes trapa_handler and
3137 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
3138 Don't check for pragma_interrupt. Don't store argument.
3139 * sh.h (pragma_interrupt, sp_switch): Don't declare.
3140 (sh_deferred_function_attributes): Declare.
3141 (sh_deferred_function_attributes_tail): Likewise.
3142 * sh.md (sp_switch_1): Add operand. Change generator caller.
3143 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
3144 (*return_i): Don't use when trap_exit attribute is in effect.
3145 (*return_trapa): New insn pattern.
3147 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
3148 setting c_target_objs and cxx_target_objs.
3149 * t-sh: Add rule for sh-c.o.
3151 2006-01-30 Richard Guenther <rguenther@suse.de>
3154 * gimplify.c (gimplify_target_expr): Handle easy cases
3155 without creating a temporary.
3157 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
3159 * vec.h (safe_grow): Remove duplicated line.
3161 2006-01-29 Diego Novillo <dnovillo@redhat.com>
3164 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
3165 (expand_omp): ... here.
3166 (expand_omp_parallel): Only remove barriers for combined
3167 parallel+workshare constructs.
3169 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
3173 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
3174 * tree.c (build_qualified_type): Chain the new type to the original
3175 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3176 a POINTER_TYPE or a REFERENCE_TYPE respectively.
3177 (build_pointer_type_for_mode): Only return unqualified types.
3178 (build_reference_type_for_mode): Likewise.
3180 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
3182 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
3183 * Makefile.in (CXX_COMPAT_WARN): Define.
3184 * configure: Regenerate.
3186 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
3189 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
3192 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3194 * toplev.c: Fix thinko.
3196 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
3197 Marcin Dalecki <martin@dalecki.de>
3199 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
3200 (push_srcloc): Use XNEW.
3201 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
3203 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3205 * df-core.c (df_set_blocks): Deleted all variable.
3207 2006-01-28 Ian Lance Taylor <ian@airs.com>
3209 * cgraphunit.c (cgraph_assemble_pending_functions): Call
3210 cgraph_output_pending_asms.
3212 2006-01-28 Zack Weinberg <zackw@panix.com>
3214 * c.opt: Add -W(no-)overlength-strings.
3215 * doc/invoke.texi: Document it.
3216 * c-opts.c (c_common_handle_option): -pedantic implies
3217 -Woverlength-strings, if not explicitly disabled already.
3218 (c_common_post_options): -Woverlength-strings defaults to off, and
3219 is always off for C++.
3220 * c-common.c (fix_string_type): Issue warning about strings longer
3221 than is portable only if warn_overlength_strings. Rearrange code
3222 a little for clarity.
3223 * configure.in: Check for -Wno-overlength-strings as well before
3224 enabling -pedantic in stage 1.
3225 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
3226 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
3228 * genconditions.c (write_header, write_one_condition)
3229 (write_conditions, write_writer): Consolidate very long strings
3230 that were broken up to fit in C89 portable limit. Don't use
3231 printf when fputs will do.
3233 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
3235 * combine.c (simplify_comparison <AND>): Check
3236 TRULY_NOOP_TRUNCATION before start using a subreg.
3238 * config/mips/mips.md (*branch_zero<mode>,
3239 *branch_zero<mode>_inverted, *branch_equality<mode>,
3240 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
3241 Remove mode check from comparisons.
3243 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
3245 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
3247 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3249 * expmed.c (const_mult_add_overflow_p): Remove.
3250 * expr.h: Remove the prototype for const_mult_add_overflow_p.
3252 * recog.c (validate_replace_rtx_subexp): Remove.
3253 * recog.h: Remove the prototype for
3254 validate_replace_rtx_subexp.
3256 * integrate.h: Remove the prototype for
3257 copy_decl_for_inlining.
3258 * rtl.h: Remove the prototype for mark_constant_function.
3259 * tree-vectorizer.h: Remove the prototype for
3260 vect_strip_conversion.
3262 * modulo-sched.c (create_partial_schedule,
3263 free_partial_schedule, reset_partial_schedule): Make them
3266 * hooks.c (hook_bool_rtx_int_false): Remove.
3267 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
3269 2006-01-28 David Edelsohn <edelsohn@gnu.org>
3271 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3272 and -mlong-double-128 are incompatible.
3273 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
3274 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
3275 (TARGET_LIBGCC2_CFLAGS): Define.
3276 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
3277 (TARGET_LIBGCC2_CFLAGS): Same.
3278 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
3280 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
3283 * c-typeck.c (build_binary_op): Perform implicit casts of
3284 operands before shortening them.
3286 * cfgloopmanip.c (split_loop_bb): Remove.
3287 * cfgloop.h: Remove the prototype for split_loop_bb.
3289 * cfgloop.c (flow_loop_outside_edge_p): Remove.
3290 * cfgloop.h: Remove the prototype for
3291 flow_loop_outside_edge_p.
3293 * emit-rtl.c (init_virtual_regs): Make it static.
3294 * function.h: Remove the prototype for init_virtual_regs.
3296 * recog.c (peephole2_optimize): Make it static.
3297 * recog.h: Remove the prototype for peephole2_optimize.
3299 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3301 * df-scan.c (df_record_entry_block_defs): Check if
3302 INCOMING_RETURN_ADDR_RTX is defined.
3304 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
3305 Kenneth Zadeck <zadeck@naturalbridge.com>
3307 PR rtl-optimization/24762
3308 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3309 * targhooks.c (hook_void_bitmap): New hook prototype.
3310 * targhoohs.h (hook_void_bitmap): Ditto.
3311 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
3312 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
3313 * target.h (live_on_entry): New function pointer.
3314 * df-scan.c (df_all_hard_regs): Removed.
3315 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
3316 (df_scan_free_internal): Added df->entry_block_defs.
3317 (df_scan_alloc): Ditto.
3318 (df_scan_dump): Ditto.
3319 (df_uses_record): Plumbed flag field properly thru calls.
3320 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
3321 This part fixes PR24762.
3322 (df_bb_refs_record): Added code to make the frame and arg
3323 pointers live in EH blocks.
3324 (df_refs_record): Added call to df_record_entry_block_defs.
3325 (df_record_entry_block_defs): New function.
3326 * df-core.c: Added comments to describe new artifical defs.
3327 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
3328 (entry_block_defs): New field in struct df.
3329 (df_all_hard_regs): Deleted.
3330 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3331 * df-problems.c (df_ru_bb_local_compute_process_def):
3332 Added code to handle artifical defs in the entry to a function.
3333 (df_ru_bb_local_compute): Ditto.
3334 (df_rd_bb_local_compute_process_def): Ditto.
3335 (df_rd_bb_local_compute): Ditto.
3336 (df_lr_bb_local_compute): Ditto.
3337 (df_ur_bb_local_compute): Ditto.
3338 (df_urec_bb_local_compute): Ditto.
3339 (df_chain_create_bb): Ditto.
3340 (df_ur_local_finalize): Removed entry.
3341 (df_urec_init): Ditto.
3342 (df_urec_local_finalize): Ditto.
3343 (df_ri_bb_compute): Added detection of last use of pseudos.
3344 * Makefile.in (df-scan.o): Updated dependencies.
3345 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
3346 * config/mips/mips.c (mips_set_live_on_entry): Added.
3347 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
3349 * dce.c (marked_insn_p): Added code to handle artifical defs.
3351 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
3353 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
3355 (_mm_cvtsi128_si64): Likewise.
3356 (_mm_cvtsd_si64): Likewise.
3357 (_mm_cvttsd_si64): Likewise.
3358 (_mm_cvtsi64_sd): Likewise.
3359 (_mm_cvtsi64_si128): Likewise.
3360 * config/i386/mmintrin.h (_m_from_int64): Likewise.
3361 (_mm_cvtsi64_m64): Likewise.
3362 (_m_to_int64): Likewise.
3363 (_mm_cvtm64_si64): Likewise.
3364 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
3365 (_mm_cvttss_si64): Likewise.
3366 (_mm_cvtsi64_ss): Likewise.
3367 (_mm_cvtss_f32): Likewise.
3369 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
3371 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
3372 for pragma redefine_extname.
3374 2006-01-27 Jakub Jelinek <jakub@redhat.com>
3377 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
3378 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
3379 -mno-minimal-toc to previous content.
3380 (bispecs): Remove goal.
3381 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
3382 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
3383 compatibility aliases on powerpc-*-*gnu*.
3384 * config/rs6000/libgcc-ppc-glibc.ver: New file.
3385 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
3386 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
3387 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
3388 (ldblspecs): New goal.
3389 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
3390 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
3392 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
3393 L_sf_to_tf or L_df_to_tf is defined.
3395 2006-01-27 David Edelsohn <edelsohn@gnu.org>
3396 Alan Modra <amodra@bigpond.net.au>
3399 * config/rs6000/linux.h (POWERPC_LINUX): Define.
3400 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
3401 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
3402 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
3403 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
3404 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
3405 (rs6000_override_options): Initialize rs6000_ieeequad.
3406 Initialize TFmode format to ibm_extended_format if not
3408 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
3410 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
3411 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
3412 (function_arg_advance): IBM long double passed in two FPRs, not
3414 (function_arg): IBM long double passed in FPRs.
3415 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
3416 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
3417 Only multireg GPR aligned.
3418 (rs6000_init_libfuncs): Enable IBM long double functions if not
3420 (rs6000_generate_compare): Use IBM long double compare if not
3422 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
3423 (TARGET_IEEEQUAD): Define.
3424 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
3425 not TARGET_IEEEQUAD.
3426 * config/rs6000/rs6000.md: Enable TFmode patterns if
3428 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
3429 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3430 and -mlong-double-128 are incompatible.
3431 * doc/invoke.texi (-mabi): Collect options together. Add
3432 ibmlongdouble and ieeelongdouble.
3434 2006-01-27 Richard Sandiford <richard@codesourcery.com>
3436 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
3438 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
3439 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
3440 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
3441 * rtl.h (rtunion_def): Remove rt_ptr.
3443 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
3444 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
3445 * config/i386/winnt.c (i386_pe_mark_dllexport)
3446 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
3448 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
3450 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
3452 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3456 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
3457 pthread_key_delete. From John David Anglin. gthrw-ify
3458 pthread_getunique_np only if it it's not a macro. Delete
3460 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
3461 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
3462 __gthread_objc_condition_signal, __gthread_key_delete): Add
3463 "__attribute__ ((__unused__))" to unused arguments.
3464 (__gthread_recursive_mutex_init_function): Add missing return.
3465 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
3466 gthr-posix95.h: Use macro-based approach for name redirection
3467 on targets missing weakref.
3469 2006-01-26 Zack Weinberg <zackw@panix.com>
3471 * genconditions.c (write_header): In generated code, #ifdef out
3472 all includes and fake declarations, except includes of bconfig.h
3473 and system.h, unless GCC_VERSION >= 3001. Do not include
3474 gensupport.h in any case.
3475 (write_conditions): Generate a definition of struct c_test. Add
3476 a comment to the generated #endif.
3477 (write_one_condition): Escape backslashes in string too.
3478 (write_writer): Generated code must escape backslashes and quote
3479 marks (but not newlines) in the strings it writes.
3480 * Makefile.in (build/gencondmd.o): Update dependencies.
3482 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3485 * Makefile.in (insn-automata.o): Add header file dependencies.
3486 * genautomata.c: Add includes.
3488 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3491 * Makefile.in (insn-automata.o): Add -Wno-error flag.
3493 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3495 * configure.ac: Expect target tools paths to be passed from the toplevel
3496 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
3498 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
3500 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3503 * c.opt (Wpointer-sign): Init to -1.
3504 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
3505 OPT_pedantic, to 0 otherwise.
3506 * doc/invoke.texi: Update.
3508 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3510 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
3511 constants provided by 80387 instructions in the destination mode.
3513 2006-01-26 Richard Guenther <rguenther@suse.de>
3514 Andrew Pinski <pinskia@physics.uc.edu>
3517 partial PR tree-opt/17064
3518 * tree-ssa-structalias.c (intra_create_variable_infos):
3519 Create heap variables for incoming parameters if
3520 flag_argument_noalias > 1.
3521 (find_what_p_points_to): Look through default defs of
3524 2006-01-26 Jeff Law <law@redhat.com>
3527 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
3528 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
3529 within the VR_RANGE, use the VR_RANGE as the result, not the
3531 (adjust_range_with_scev): Reject ranges from SCEV which are out of
3532 bounds for the type.
3534 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
3536 * tree-ssa-alias.c (maybe_create_global_var): Change
3537 subvar walking to an assertion that we don't have subvar'd variables.
3539 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
3542 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
3543 Use a new variable, inner. PARM_DECLs are always non-weak.
3545 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
3547 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
3550 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
3552 * config/mips/mips.md (*clear_upper32): New combiner pattern.
3554 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
3556 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
3557 (smax_insn, smin_insn, smax_0, smin_0): New.
3559 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
3562 * config/cris/cris.c (cris_order_for_addsi3): New function.
3563 * config/cris/cris-protos.h: Prototype it.
3564 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
3565 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
3566 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
3567 (split for "op.S1 [rx=rx+i],ry (swapped)")
3568 (split for "op(s|u).S1 [rx=rx+i],ry")
3569 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
3570 Apply cris_order_for_addsi3 when generating addsi3 insns.
3572 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3574 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
3575 (TREE_BLOCK): Add call to EXPR_CHECK.
3577 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3580 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
3581 * tree-pretty-print.c (dump_omp_clause): Extract from ...
3582 (dump_omp_clauses): ... here.
3583 (dump_generic_node): Handle OMP_CLAUSE.
3584 * tree.c (omp_clause_num_ops): New.
3585 (omp_clause_code_name): New.
3586 (tree_code_size): Handle OMP_CLAUSE.
3587 (tree_size): Likewise.
3588 (make_node): Document handling of OMP_CLAUSE.
3589 (tree_node_structure): Handle OMP_CLAUSE.
3590 (omp_clause_check_failed): New.
3591 (omp_clause_range_check_failed): New.
3592 (omp_clause_operand_check_failed): New.
3593 (build_omp_clause): New.
3594 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
3595 * tree.h (enum omp_clause_code): Declare.
3596 (OMP_CLAUSE_SUBCODE_CHECK): Define.
3597 (OMP_CLAUSE_RANGE_CHECK): Define.
3598 (OMP_CLAUSE_ELT_CHECK): Define.
3599 (omp_clause_check_failed): Declare.
3600 (omp_clause_operand_check_failed): Declare.
3601 (omp_clause_range_check_failed): Declare.
3602 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
3603 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
3604 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
3605 (OMP_CLAUSE_LASTPRIVATE): Likewise.
3606 (OMP_CLAUSE_IF_EXPR): Likewise.
3607 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
3608 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
3609 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
3610 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
3611 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
3612 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
3613 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
3614 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
3615 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
3616 (OMP_CLAUSE_CODE): Define.
3617 (OMP_CLAUSE_SET_CODE): Define.
3618 (OMP_CLAUSE_CODE): Define.
3619 (OMP_CLAUSE_OPERAND): Define.
3620 (struct tree_omp_clause): Declare.
3621 (union tree_node): Add field 'omp_clause'.
3622 * treestruct.def (TS_OMP_CLAUSE): Define.
3623 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
3624 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
3625 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
3626 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
3627 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
3628 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
3629 (OMP_CLAUSE): Define.
3630 * print-tree.c (print_node): Handle OMP_CLAUSE.
3631 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
3632 * c-typeck.c: Likewise.
3633 * gimplify.c: Likewise.
3634 * c-omp.c: Likewise.
3635 * tree-nested.c: Likewise.
3636 * tree-inline.c: Likewise.
3637 * c-parser.c: Likewise.
3638 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
3641 2006-01-25 Roger Sayle <roger@eyesopen.com>
3643 PR rtl-optimization/25703
3644 * combine.c (try_combine): Handle zero_extract and strict_low_part
3645 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
3647 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
3649 * global.c: Fix comment typos.
3651 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
3654 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
3655 Use output_addr_const instead of assemble_name.
3657 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
3659 * Makefile.in (sched-vis.o): Update dependencies.
3660 * haifa-sched.c (sched_finish): Clear current_sched_info.
3661 * cfg.c (dump_bb_info): New, split from dump_flow_info.
3662 (dump_flow_info): Call it.
3663 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
3665 * basic-block.h (dump_bb_info): Declare.
3666 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
3667 option, and apply options only for dump files whose TDF_RTL,
3668 TDF_TREE, or TDF_IPA bits match.
3669 * rtl.h: Declare new functions exported from sched-vis.c.
3670 * sched-vis.c: Enable also if scheduling is not used.
3671 (print_value): Print the mode of registers if not inside scheduling.
3672 (print_insn): Make it work outside the scheduler. Beautify the output
3674 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
3676 2006-01-25 Richard Sandiford <richard@codesourcery.com>
3678 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
3679 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
3680 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
3681 depending on the value of CONSTANT_POOL_ADDRESS_P.
3682 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
3684 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
3685 rather than SYMBOL_REF_DECL.
3686 (rtx_constant_pool): Remove const_rtx_sym_htab.
3687 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
3688 (init_varasm_status): Don't initialize const_rtx_sym_htab.
3689 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
3690 Remove handling of const_rtx_sym_htab.
3691 (find_pool_constant): Delete.
3692 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
3693 rather than find_pool_constant.
3694 (get_pool_constant_for_function): Delete.
3695 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
3697 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
3698 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
3699 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
3700 (SYMBOL_REF_CONSTANT): New macro.
3701 (get_pool_constant_for_function): Delete.
3702 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
3703 rather than SYMBOL_REF_DECL.
3704 (i386_pe_mark_dllimport): Likewise.
3705 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
3706 rather than SYMBOL_REF_DECL.
3707 * config/darwin.c (machopic_indirect_data_reference): Likewise.
3708 (machopic_indirect_call_target): Likewise.
3710 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
3712 * flow.c (delete_noop_moves): Add missing EOL to dump message.
3714 2006-01-25 Richard Sandiford <richard@codesourcery.com>
3716 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
3718 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
3720 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
3722 2006-01-24 David Daney <ddaney@avtrex.com>
3725 * configure.ac (enable_tls): New enable option.
3726 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
3727 * configure: Regenerate.
3728 * doc/install.texi (--enable-tls): Document new option.
3729 (--disable-tls): Ditto.
3731 2006-01-24 Richard Henderson <rth@redehat.com>
3733 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
3734 * alias.c (true_dependence): Respect it.
3735 (canon_true_dependence, write_dependence_p): Likewise.
3736 * builtins.c (get_builtin_sync_mem): Set it.
3738 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
3740 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
3743 2006-01-24 DJ Delorie <dj@redhat.com>
3745 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
3746 for storing constants in single-bit bitfields.
3748 2006-01-25 Ben Elliston <bje@au.ibm.com>
3750 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
3752 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
3755 * tree-ssa-pre.c (phi_translate): Return NULL
3756 for AGGREGATE_TYPE's.
3758 2006-01-24 Zack Weinberg <zackw@panix.com>
3760 * genautomata.c (process_state_for_insn_equiv_partition):
3761 Use xcalloc for insn_arcs_array.
3762 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
3763 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
3765 2006-01-24 Richard Henderson <rth@redhat.com>
3767 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
3770 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
3772 PR rtl-optimization/25890
3773 PR rtl-optimization/25905
3774 * combine.c (expand_compound_operation, expand_field_assignment):
3775 Fail if the bitfield's final position is out of bounds.
3777 2006-01-24 Ian Lance Taylor <ian@airs.com>
3780 * cgraphunit.c (cgraph_output_in_order): Don't clear
3781 cgraph_asm_nodes until after asm strings have been output.
3783 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
3785 * fix-header.c (read_scan_file): Add new parameter imultilib when
3786 calling register_include_chains.
3788 2006-01-23 Diego Novillo <dnovillo@redhat.com>
3790 * omp-low.c: Update documentation.
3792 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
3793 Daniel Berlin <dberlin@dberlin.org>
3797 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
3798 return from the function.
3800 2006-01-22 Zack Weinberg <zackw@panix.com>
3802 * rtl.def (match_code): Add second argument.
3803 * genpreds.c (write_extract_subexp): New function.
3804 (write_match_code): Add path argument. Use write_extract_subexp.
3805 (write_predicate_expr): Pass path to write_match_code.
3806 (mark_mode_tests): MATCH_CODE applied to a subexpression does
3807 not perform a mode test.
3808 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
3809 a subexpression does not constrain the top-level code set.
3810 * read-rtl.c (read_rtx_variadic): New function.
3811 (read_rtx_1): Use it; allow AND and IOR to be variadic.
3812 * doc/md.texi: Document new notation.
3813 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
3814 (cmpsi_operand): ... here, using new notation.
3816 2006-01-22 Zack Weinberg <zackw@panix.com>
3818 * varray.c: Remove GENERATOR_FILE #ifdefs.
3820 2006-01-22 Zack Weinberg <zackw@panix.com>
3822 * genautomata.c (output_reserved_units_table): Emit nothing if
3823 description->query_units_num is zero. Remove extra blank line.
3824 (output_cpu_unit_reservation_p): Short circuit
3825 if description->query_units_num is zero.
3827 2006-01-22 Zack Weinberg <zackw@panix.com>
3829 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
3830 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
3831 nor any of the random handful of variables that used to be necessary
3832 when this program was linked with rtlanal.o. Prune set of forward
3833 function declarations.
3834 (struct attr_desc): Remove static_p field.
3835 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
3836 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
3837 (attr_string): Do not read the character one past the length of
3839 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
3840 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
3841 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
3842 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
3843 (make_automaton_attrs): New.
3844 (main): Do not call into genautomata. Call local gen_bypass
3845 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
3846 Remove special case for insn_alts.
3847 * genautomata.c: Include gensupport.h; not genattrtab.h nor
3848 varray.h (leftover from previous change). Prune set of forward
3849 function declarations. Remove state_alts fields from all
3850 structures. Remove state_alts_table from struct automaton.
3851 Make everything except main static. Do not maintain num_dfa_decls.
3852 Do not maintain state_alts fields of various structures.
3853 (process_decls): Don't validate condexp for dm_insn_reserv decls.
3854 (add_arc): Remove state_alts argument. All callers updated.
3855 (output_reserved_units_table): Emit #ifdef here...
3856 (output_tables): ...not here. Don't generate state_alts tables.
3857 (expand_automata): Don't generate attributes.
3858 (write_automata): Don't generate state_alts functions.
3859 (main): New function.
3860 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
3861 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
3862 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
3863 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
3864 (BYPASS_P_FUNC_NAME, output_state_alts_table)
3865 (output_automata_list_state_alts_code, output_internal_state_alts_func)
3866 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
3867 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
3869 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
3870 * genattrtab.h: Delete file.
3871 * Makefile.in (OBJS-common): Add insn-automata.o.
3872 (insn-automata.o): New rule.
3873 (simple_generated_c): Add insn-automata.c.
3874 (build/genattrtab.o, build/genautomata.o): Update dependencies.
3875 (genprogmd): Add automata.
3876 (build/genattrtab): Needs no extra objects nor libraries.
3877 (build/genautomata): Needs build/vec.o and -lm.
3879 2006-01-22 Zack Weinberg <zackw@panix.com>
3881 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
3882 (output_dfa_max_issue_rate, locked_states_num): Delete.
3883 (struct automaton): Add locked_states field.
3884 (output_dead_lock_vect): Save number of locked states in
3885 automaton->locked_states. If it is zero, don't print anything.
3886 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
3887 (output_internal_dead_lock_func): Only test the dead_lock_vect
3888 for automata that have locked states.
3889 (output_statistics): Always print the number of locked states for
3890 each automaton. Calculate total number of locked states here.
3891 (write_automata): Don't call output_dfa_max_issue_rate.
3892 * genattrtab.c: Define length_unit_log as a const variable.
3893 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
3894 max_insn_queue_index const.
3895 * final.c (length_unit_log): Declare const.
3896 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
3898 2006-01-22 Zack Weinberg <zackw@panix.com>
3900 * genautomata.c: Include vec.h, not varray.h.
3901 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
3902 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
3903 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
3904 VEC_* macros operating on appropriately typed vectors, or to
3905 malloced arrays when the size is known in advance. Const-ify
3906 many char* variables and function arguments. No functional changes.
3907 * Makefile.in (build/varray.o): Delete rule.
3908 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
3909 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
3911 2006-01-22 Zack Weinberg <zackw@panix.com>
3913 * gensupport.c: Define get_insn_name and record_insn_name here.
3914 (read_md_rtx): Call record_insn_name as appropriate.
3915 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
3916 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
3917 * genpreds.c, genrecog.c: Don't define get_insn_name nor
3919 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
3920 (BUILD_VARRAY): Delete.
3921 (genprognormal): Rename genprogmd. Fold in all programs from
3922 genprognoprint; also attrtab.
3923 (build/genattrtab): Just mention genautomata.o and varray.o.
3924 Reorganize a bit, add comments to make the categories clearer.
3926 2006-01-22 Zack Weinberg <zackw@panix.com>
3928 * genconditions.c (condition_table, add_condition): Delete.
3929 (write_conditions): Don't emit n_insn_conditions nor
3930 insn_elision_unavailable. Issue the gcc version #ifdef here,
3931 inside the table, with no #else clause ...
3932 (write_header): ...not here.
3933 (write_writer): New function.
3934 (main): Don't initialize condition_table. Use add_c_test.
3936 * gensupport.c (init_md_reader_args_cb): Handle multiple input
3937 files on the command line.
3938 (maybe_eval_c_test): Don't check insn_elision_unavailable.
3939 Return -1 if there is no entry in the table, don't abort.
3940 (add_c_test, traverse_c_tests): New functions.
3941 * gensupport.h (insn_elision_unavailable, insn_conditions)
3942 (n_insn_conditions): Delete declarations.
3943 (add_c_test, traverse_c_tests): Declare.
3944 * read-rtl.c: Include gensupport.h.
3945 (read_conditions): New function.
3946 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
3947 (read_rtx_1): If we get EOF when we were looking for an initial
3948 open paren, return 0. Call read_conditions when appropriate.
3949 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
3950 dummy-conditions.o. Eliminate references to insn-conditions.o,
3951 or change them to build/gencondmd.o, as appropriate. Remove
3952 insn-constants.h from $(simple_generated_h) and insn-conditions.c
3953 from $(simple_generated_c). For all files remaining in those
3954 two lists, add insn-conditions.md to the generator command line.
3955 Give insn-constants.h/s-constants their own rules. Add rules
3956 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
3957 (build/read-rtl.o): Depend on gensupport.h.
3958 (genprognormal): Include preds.
3959 (genprogearly): Rename genprognoprint; only difference is now that
3960 they don't link with $(BUILD_PRINT).
3961 * dummy-conditions.c: Delete.
3963 2006-01-22 Zack Weinberg <zackw@panix.com>
3965 * genextract.c: Don't include insn-config.h. Do include vec.h.
3966 Declare vectors of int, char, and locstr.
3967 (locstr): New typedef.
3968 (struct extraction): Make all array fields into bare pointers.
3969 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
3970 (insn_code_number): Delete.
3971 (accum_extract): New struct.
3972 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
3973 (gen_insn): Take insn_code_number as an argument. Use an
3974 accum_extract structure instead of loading data directly into
3975 a struct extraction, and having to know how big it might get.
3976 (walk_rtx): Operate entirely on an accum_extract structure.
3977 (print_path): Avoid unnecessary use of printf.
3978 (print_header): New function, split out of main. Distinguish
3979 more carefully between an unrecognizable insn and an insn that
3980 has the code number of a define_expand.
3981 (main): Pass insn_code_number to gen_insn. Call print_header
3982 only after parsing. Avoid unnecessary use of printf.
3983 * Makefile.in (build/vec.o): New rule.
3984 (build/genextract): Depend on build/vec.o.
3985 (build/genextract.o): Don't depend on insn-config.h.
3987 2006-01-22 Zack Weinberg <zackw@panix.com>
3989 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
3990 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
3991 practical. Eliminate per-generator-program link rules.
3993 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
3996 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3997 with a call expr to ...
3998 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4000 2006-01-23 Richard Guenther <rguenther@suse.de>
4002 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
4003 before make_edge with conditional EDGE_TRUE_VALUE.
4005 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
4006 Jan Hubicka <jh@suse.cz>
4007 Richard Guenther <rguenther@suse.de>
4009 PR rtl-optimization/25654
4010 * cfgexpand.c (aggregate_contains_union_type): New function.
4011 (add_alias_set_conflicts): Call it. Make sure to add conflicts
4012 for structure variables that contain a union type.
4014 2006-01-23 Richard Sandiford <richard@codesourcery.com>
4016 * gengtype.c (new_structure): Return the structure.
4017 (create_option): Add an extra "next" argument.
4018 (create_field): New function.
4019 (adjust_field_rtx_def): Use create_option and create_field.
4020 Remove a now-unnecessary call to find_structure.
4021 (adjust_field_tree_def): Likewise.
4022 (note_yacc_type): Remove an unnecessary call to find_structure.
4023 * gengtype.h (new_structure): Return the structure.
4024 (create_option): Add an extra argument.
4025 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
4026 (option): Adjust calls to create_option.
4028 2006-01-22 David Edelsohn <edelsohn@gnu.org>
4030 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
4032 2006-01-22 Paul Brook <paul@codesourcery.com>
4033 Peter Barada <peter@the-baradas.com>
4035 * config/m68k/m68k.md: Add Coldfire FPU support.
4036 Define FP mode macro and associated attributes.
4037 Use it for float mode patterns.
4038 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
4039 (LIBCALL_VALUE): Use m68k_libcall_value.
4040 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
4041 (m68k_function_value): Ditto.
4042 (emit_move_sequence): Ditto.
4043 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
4044 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
4045 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
4046 (MULTILIB_EXCEPTIONS): Ditto.
4047 * config/m68k/m68k.opt: Add mcfv4e.
4048 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
4049 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
4050 (m68k_output_function_prologue): Save ColdFire FPU registers.
4051 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
4052 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
4053 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
4054 ColdFire FPU registers.
4055 (m68k_libcall_value, m68k_function_value): New functions.
4056 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
4057 (LIBCALL_VALUE): Use m68k_libcall_value.
4058 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
4059 (MASK_COLDFIRE): Add MASK_CFV4E.
4060 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
4061 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
4062 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
4063 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
4064 (GO_IF_LEGITIMATE_ADDRESS): Use it.
4065 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
4066 * doc/invoke.tex: Document -mcfv4e on m68k.
4068 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
4070 * doc/contribute.texi: Change CVS to SVN and update the corresponding
4073 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
4076 * c-opts.c (c_common_handle_option): Don't include
4077 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
4078 * doc/invoke.texi (C++ Dialect Options): Document that
4079 -Wnon-virtual-dtor is no longer included in -Wall.
4081 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
4083 * gcov.c (print_version), gcov-dump.c (print_version),
4084 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
4087 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
4089 * df-scan.c (problem_SCAN): Added NULL reset function.
4090 (df_scan_reset_blocks): Added code to call reset block function
4091 (df_bb_refs_delete) Fixed comment.
4092 (df_insn_refs_delete): Made tolerant of deleting non existent info
4093 for dataflow problems that need to be reset.
4094 * df-core.c (df_set_blocks): Ditto.
4095 * df.h (struct df_problem): Added reset_fun.
4096 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
4097 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
4098 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
4099 functions to clear out all references to def-use or use-def chains.
4101 2006-01-21 Ben Elliston <bje@au.ibm.com>
4103 * varasm.c (assemble_real): Initialise data array.
4105 2006-01-20 Paul Brook <paul@codesourcery.com>
4107 Merge from csl-arm-branch.
4108 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
4109 * config/arm/arm.md (movdi): Force operands[1] to a register
4110 if we have a non-register source.
4111 (*arm_movdi, *movdf_soft_insn): Require that one of the
4112 operands be a register.
4113 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
4114 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
4116 2006-01-20 DJ Delorie <dj@redhat.com>
4118 * varasm.c (initialize_constant_valid_p): Allow pointers
4119 initialized from integer constants of lesser precision.
4120 (output_constant): Allow non-int-sized pointer modes to be
4121 initialized from integer constants.
4123 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
4126 * cppdefault.h (struct default_include): Add multilib flag.
4127 * cppdefault.c (cpp_include_defaults): Set it.
4128 * c.opt (-imultilib): New option.
4129 * c-opts.c (imultilib): New.
4130 (c_common_handle_option): Handle -imultilib.
4131 (c_common_post_options): Likewise.
4132 * c-incpath.c (add_standard_paths, register_include_chains):
4134 * c-incpath.h (register_include_chains): Add extra parameter.
4135 * gcc.c (do_spec_1): Generate -imultilib option.
4136 (The Specs Language): Update %I description.
4137 (process_command): Update copyright notice.
4138 * doc/cppopts.texi (-imultilib): Document.
4139 * doc/invoke.texi (-imultilib): Include in option summary.
4140 (%I): Update specs documentation.
4142 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4144 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
4146 2006-01-20 Richard Sandiford <richard@codesourcery.com>
4148 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
4151 2006-01-20 Richard Guenther <rguenther@suse.de>
4152 Steven Bosscher <stevenb.gcc@gmail.com>
4154 PR rtl-optimization/24626
4155 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
4156 EDGE_TRUE_VALUE if in RTL mode.
4159 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
4160 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
4162 2006-01-20 Dirk Mueller <dmueller@suse.com>
4165 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
4166 instead of a special NOP marker.
4167 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
4168 NOP marker handling.
4169 * c-common.h (empty_body_warning): Add forward declaration.
4170 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
4171 Now uses IS_EMPTY_STMT() instead of special NOP markers.
4173 2006-01-20 Paul Brook <paul@codesourcery.com>
4175 * Makefile.in (lang_checks): Keep going if mkdir fails.
4177 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4179 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
4180 be able to clean out basic block when not necessary.
4181 (df_scan_free): Fixed to properly delete information if df is
4182 unused before calling df_finish.
4183 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
4184 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
4186 (df_bb_refs_delete): New function.
4187 (df_refs_delete): Moved per block code to df_bb_refs_delete.
4188 * df-core.c (df_set_blocks): Added code to properly clean out
4189 unused blocks if they are not part of the blocks to consider.
4190 Added additional null check.
4191 (df_compact_blocks): Added basic block parameter to free_bb_fun to
4192 be able to clean out basic block when not necessary
4193 * df.h (df_free_bb_function): Ditto.
4194 (df_bb_refs_delete): New function.
4195 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
4196 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
4197 basic block parameter to be able to clean out basic block when not
4199 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
4200 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
4201 Fixed to properly delete information if df is unused before
4204 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
4206 PR rtl-optimization/25799
4207 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
4208 Corrected confluence operator to remove bits from op2 before oring
4209 with op1 rather than removing bits from op1.
4210 (df_ru_transfer_function): Corrected test on wrong bitmap which
4211 caused infinite loop. Both of these problems were introduced in
4212 the dataflow rewrite.
4214 2006-01-19 DJ Delorie <dj@redhat.com>
4216 * reload1.c (find_reload_regs): Note the details of reload
4217 failures in the dump file.
4218 (spill_failure): Likewise.
4220 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
4222 * loop-iv.c: Include df.h and hashtab.h.
4223 (enum iv_grd_result): New enum.
4224 (DF_REF_IV, DF_REF_IV_SET): New macros.
4225 (struct biv_entry): New.
4226 (df, bivs): New global variables.
4227 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
4228 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
4230 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
4231 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
4232 analyzed_for_bivness_p, record_biv): New functions.
4233 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
4234 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
4235 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
4237 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
4239 (iv_number_of_iterations): Use new interface to iv analysis.
4240 * loop-unroll.c: Do not include varray.h.
4241 (analyze_iv_to_split_insn): Use new interface to iv
4243 * loop-unswitch.c (may_unswitch_on): Ditto.
4244 * df.c (df_bitmaps_free): Only work for bbs for that structures are
4246 (df_bb_modify): Realloc tables to the new index.
4247 (df_find_use): New function.
4248 * df.h (df_find_use): Declare.
4249 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
4251 * cfgloop.h (struct rtx_iv): Remove analysed field.
4252 (iv_get_reaching_def): Removed.
4253 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
4254 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
4255 (loop-iv.o): Add df.h and hashtab.h dependency.
4256 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
4258 2006-01-20 Alan Modra <amodra@bigpond.net.au>
4261 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
4263 (__floatundisf, __floatundidf): Likewise.
4264 * libgcc2.h (IS_IBM_EXTENDED): Define.
4266 2006-01-19 DJ Delorie <dj@redhat.com>
4268 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
4270 2006-01-19 Paul Brook <paul@codesourcery.com>
4272 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
4273 as nothrow when unwinding tables are disabled.
4275 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4278 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
4279 of bit-field" when in system header.
4281 2006-01-19 DJ Delorie <dj@redhat.com>
4283 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
4284 the 16 bit shift limit of the m16c.
4286 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
4289 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
4290 * config/i386/i386.c (output_set_got): Output the label if we have one
4291 for the TARGET_DEEP_BRANCH_PREDICTION case.
4293 2006-01-19 Jan Hubicka <jh@suse.cz>
4294 H.J. Lu <hongjiu.lu@intel.com>
4295 Evandro Menezes <evandro.menezes@amd.com>
4297 * invoke.texi (generic): Document
4299 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
4300 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
4301 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
4302 (x86_use_incdec, x86_pad_returns): New variables
4303 (TARGET_CPU_DEFAULT_generic): New constant
4304 (TARGET_CPU_DEFAULT_NAMES): Add generic.
4305 (enum processor_type): Add generic32 and generic64.
4306 * i386.md (cpu attribute): Add generic32/generic64
4307 (movhi splitter): Behave sanely when both partial_reg_dependency and
4308 partial_reg_stall are set.
4309 (K8 splitters): Enable for generic as well.
4310 * predicates.md (incdec_operand): Use TARGET_INCDEC
4311 (aligned_operand): Avoid memory mismatch stalls.
4312 * athlon.md: Enable for generic64, new patterns for 128bit moves.
4313 * ppro.md: Enable for generic32
4314 * i386.c (generic64_cost, generic32_cost): New.
4315 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
4316 (x86_use_leave): Enable for generic64. (x86_use_sahf,
4317 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
4318 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
4319 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4320 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4321 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4322 x86_accumulate_outgoing_args, x86_prologue_using_move,
4323 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4324 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
4326 (x86_use_incdec, x86_pad_returns): New.
4327 (override_options): Add generic32 and generic64, translate "generic"
4328 to generic32/generic64 and "i686" to "generic32", refuse
4329 "generic32"/"generic64" as arch target.
4330 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
4331 (ix86_reorg): Honor PAD_RETURNS.
4333 2006-01-19 Diego Novillo <dnovillo@redhat.com>
4335 * tree-pretty-print.c (dump_generic_node): Handle
4336 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
4337 * cgraph.c (cgraph_expand_queue): Rename from
4338 cgraph_analyze_queue. Update all users.
4339 * cgraphunit.c (cgraph_assemble_pending_functions): Process
4340 cgraph_expand_queue.
4341 (cgraph_expand_all_functions): Likewise.
4342 (cgraph_finalize_pending_functions): Remove. Update callers.
4344 * tree.h (OMP_DIRECTIVE_P): Define.
4345 (OMP_PARALLEL_FN): Define.
4346 (OMP_PARALLEL_DATA_ARG): Define.
4347 (OMP_SECTIONS_SECTIONS): Define.
4348 * tree-pass.h (pass_expand_omp): Declare.
4349 * omp-low.c (struct omp_region): Declare.
4350 (struct omp_context): Remove fields 'parallel_type',
4351 'parallel_start_ix' and 'parallel_start_additional_args'.
4353 (struct omp_for_data): Rename from struct expand_omp_for_data.
4354 (omp_regions): New static variable.
4355 (root_omp_region): New static variable.
4356 (find_omp_clause): Make static.
4357 (is_in_combined_parallel_ctx): Remove.
4358 (is_combined_parallel): New.
4359 (extract_omp_for_data): Move earlier in the file.
4360 (workshare_safe_to_combine_p): New.
4361 (get_ws_args_for): New.
4362 (determine_parallel_type): Move earlier in the file.
4363 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
4365 (omp_copy_decl): Likewise.
4366 (create_omp_child_function): Likewise.
4367 (lookup_omp_region): New.
4368 (dump_omp_region): New.
4369 (debug_omp_region): New.
4370 (debug_all_omp_regions): New.
4371 (new_omp_region): New.
4372 (scan_omp_parallel): If parallel_nesting_level > 1, the
4373 directive is nested within another parallel directive.
4374 Set OMP_PARALLEL_FN.
4375 (scan_omp_for): Do not try to handle combined parallel+for
4377 Remove FIXME comment.
4378 (scan_omp_nested): Remove.
4379 (scan_omp_1): Do not call scan_omp_nested when
4380 parallel_nesting_level is > 1.
4381 Do not change the DECL_CONTEXT of local variables found.
4382 (lookup_decl_in_outer_ctx): New.
4383 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
4384 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
4385 (lower_reduction_clauses): Rename from expand_reduction_clauses.
4386 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
4387 If CTX is nested, lookup VAR in the outer context when
4388 building copy assignment.
4389 (lower_send_clauses): Rename from expand_send_clauses.
4390 If CTX is nested, lookup VAR in the outer context when
4391 building copy assignments.
4392 (lower_send_shared_vars): Rename from expand_send_shared_vars.
4393 If CTX is nested, lookup VAR in the outer context when
4394 building copy assignments.
4395 (expand_parallel_call): Rename from build_parallel_call.
4396 Handle combined parallel+workshare cases.
4397 Re-implement to emit code into the CFG.
4399 (expand_omp_parallel): Re-implement to emit code into the CFG.
4400 Call move_sese_region_to_fn to outline the sub-graph
4401 containing the parallel region.
4402 (expand_omp_for_1): Remove.
4403 (expand_omp_for_generic): Re-implement to emit code into the
4405 (expand_omp_for_static_nochunk): Likewise.
4406 (expand_omp_for_static_chunk): Likewise.
4407 (expand_omp_for): Likewise.
4408 (expand_omp_sections): Likewise.
4409 (remove_exit_barriers): New.
4410 (expand_omp_synch): New.
4412 (build_omp_regions_1): New.
4413 (build_omp_regions): New.
4414 (execute_expand_omp): New.
4415 (gate_expand_omp): New.
4416 (pass_expand_omp): Define.
4417 (lower_omp_sections): Rename from expand_omp_sections.
4418 Set OMP_SECTIONS_SECTIONS.
4419 (lower_omp_single_simple): Rename from expand_omp_single_simple.
4420 (lower_omp_single_copy): Rename from expand_omp_single_copy.
4421 (lower_omp_single): Rename from expand_omp_simple.
4422 (lower_omp_master): Rename from expand_omp_master.
4423 (lower_omp_ordered): Rename from expand_omp_ordered.
4424 (lower_omp_critical): Rename from expand_omp_critical.
4425 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
4426 (lower_omp_for): Re-implement.
4427 (lower_omp_parallel): Re-implement.
4428 (lower_regimplify): Rename from expand_regimplify.
4429 (lower_omp_1): Rename from expand_omp_1.
4430 If there are syntax errors in the program, replace every
4431 OpenMP directive with NOP.
4432 Call lower_omp_* instead of expand_omp_*.
4433 (lower_omp): Rename from expand_omp.
4435 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
4436 * tree-gimple.h (enum omp_parallel_type): Remove.
4437 (gimple_boolify): Declare extern.
4438 (find_omp_clause, determine_parallel_type): Remove.
4440 * gimple-low.c (lower_omp_directive): New.
4441 (lower_stmt): Call it.
4442 (record_vars_into): Move from ...
4443 (record_vars): ... here.
4444 Call record_vars_into with current_function_decl.
4446 * gimplify.c (struct gimplify_ctx): Remove fields
4447 combined_pre_p and combined_ctxp. Update users.
4448 (get_formal_tmp_var): Add documentation.
4449 (gimple_boolify): Make extern.
4450 (gimplify_expr_in_ctx): Remove. Update callers.
4451 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
4452 will always be a BIND_EXPR.
4453 (gimplify_expr): Handle OMP_RETURN_EXPR.
4454 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
4455 (OMP_PARALLEL): Add 3 operands.
4456 (OMP_SECTIONS): Add 1 operand.
4457 (OMP_RETURN_EXPR): Define.
4459 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
4460 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
4461 * tree-iterator.c (alloc_stmt_list): Assert that we are not
4462 creating a circular free list.
4463 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
4465 * tree-flow.h (move_sese_region_to_fn): Declare.
4466 (record_vars_into): Declare.
4467 * tree-cfg.c (make_omp_sections_edges): New.
4468 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
4469 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
4470 OMP_SECTIONS and OMP_SECTION.
4471 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
4472 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
4473 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
4474 (gather_blocks_in_sese_region): New.
4475 (struct move_stmt_d): Declare.
4477 (move_block_to_fn): New.
4478 (move_sese_region_to_fn): New.
4480 * passes.c (init_optimization_passes): Schedule
4481 pass_expand_omp after pass_init_datastructures.
4483 * tree-ssa-operands.c (get_expr_operands): Handle
4484 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
4485 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
4487 2006-01-19 Jeff Law <law@redhat.com>
4489 * tree-vrp.c (extract_range_from_assert): Refine the result range
4490 if the variable referenced by the ASSERT_EXPR has a range and
4491 either the tentative result range or the previous range is a
4494 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4496 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
4498 2006-01-19 Jan Hubicka <jh@suse.cz>
4500 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
4502 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
4504 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
4505 (expand_compound_operation, expand_field_assignment): Fail if the
4506 bit lengths of an extract operation are out of range.
4507 (make_extraction): Compute wanted_inner_mode based on the position
4508 and length of the extraction. Make it extraction_mode for non-constant
4509 positions, and do not modify offset in that case. When generating a
4510 new MEM, use a mode that can hold the extraction while keeping correct
4511 alignment. Remove code that supported MEMs wrapped by USEs.
4512 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
4514 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
4516 * config/s390/s390.md ("Y", "y"): New mode attribute.
4517 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
4518 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
4519 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
4520 "*addsi3_imm_cc", "*addsi3_carry1_cc",
4521 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
4522 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
4523 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
4524 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
4525 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
4526 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
4527 "addsi3", "subsi3"): Insn patterns removed.
4528 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
4529 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
4530 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
4531 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
4532 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
4533 "*sub<mode>3_cconly2"): New insn patterns.
4534 ("addsi3", "subsi3"): New expanders.
4536 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
4538 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
4539 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
4540 existing STMT_VINFO_VECTYPE if available.
4541 (vect_mark_relevant): Add special handling for stmts that are
4542 marked as STMT_VINFO_IN_PATTERN_P.
4543 (vect_analyze_loop): Call vect_pattern_recog.
4544 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
4545 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
4547 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
4548 (vect_recog_func_ptr): New function-pointer type.
4549 * tree-vect-patterns.c: New file.
4550 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
4551 (vect_recog_dot_prod_pattern, vect_pattern_recog):
4552 (vect_pattern_recog_1): New functions.
4553 (vect_pattern_recog_funcs): New array of function pointers.
4555 * tree-vectorizer.h (ternary_op): New enum value.
4556 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
4557 declaration. Revised documentation. Removed redundant dump prints.
4558 Removed redundant argument. Added support for reduction patterns.
4559 (vectorizable_reduction): Added support for reduction patterns.
4560 (vect_transform_stmt): Added support for patterns.
4562 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
4563 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
4564 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
4565 (expand_widen_pattern_expr): New function.
4566 (init_optabs): Initialize new optabs udot_prod_optab,
4568 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
4569 (sdot_prod_optab, udot_prod_optab): Define new optabs.
4570 (expand_widen_pattern_expr): New function declaration.
4571 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
4573 * tree-inline.c (estimate_num_insns_1): Added cases for new
4574 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4575 * tree-pretty-print.c (dump_generic_node): Likewise.
4576 (op_prio): Likewise.
4577 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4578 * tree-ssa-operands.c (get_expr_operands): Added case for
4580 * tree-vect-patterns.c (widened_name_p): New function.
4581 (vect_recog_dot_prod_pattern): Added function implementation.
4582 * tree-vect-transform.c (get_initial_def_for_reduction): Added
4583 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
4584 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
4585 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
4587 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
4588 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
4589 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
4590 (init_optabs): Initialize new optabs widen_ssum_optab,
4592 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
4593 (widen_ssum_optab, widen_usum_optab): Define new optabs.
4594 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
4595 use instead of type of def.
4596 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
4597 function implementation.
4598 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
4599 widen_ssumv8hi): New.
4601 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
4604 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4607 * c-decl.c (add_flexible_array_elts_to_size): New function.
4608 (finish_decl): Use it.
4610 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
4612 * diagnostic.h: Include options.h.
4613 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
4614 dependancies for diagnostic.h.
4615 * Makefile.in (DIAGNOSTIC_H): Add options.h.
4617 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
4619 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
4620 (ssa_ro_call_cache_valid): Ditto.
4621 * tree-ssa-alias.c (sort_tags_by_id): New function.
4622 (init_transitive_clobber_worklist): Ditto.
4623 (add_to_worklist): Ditto.
4624 (mark_aliases_call_clobbered): Ditto.
4625 (compute_tag_properties): Ditto.
4626 (set_initial_properties): Ditto.
4627 (compute_call_clobbered): Ditto.
4628 (compute_may_aliases): Call compute_call_clobbered and grouping.
4629 (compute_flow_sensitive_aliasing): Remove clobbering related code.
4630 (compute_flow_insensitive_aliasing): Grouping now happens in our
4632 (setup_pointers_and_addressables): Remove clobbering related code.
4633 (add_may_alias): Ditto.
4634 (replace_may_alias): Ditto.
4635 (get_nmt_for): Ditto.
4636 (create_global_var):
4637 (is_escape_site): Return an escape_type enumeration.
4638 * tree-flow-inline.h (is_call_clobbered): Global var does not
4639 imply call clobbered.
4640 (mark_call_clobbered): Take a reason for marking this. Remove
4641 marking of globalness, and cache invalidation.
4642 (clear_call_clobbered): Remove cache invalidation code.
4643 * tree-dfa.c (dump_variable): If details is on, dump the reason
4645 * tree-outof-ssa.c (create_temp): Copy escape mask from original
4647 * tree-flow.h (struct ptr_info_def): Add escape mask member.
4648 (struct var_ann_d): Ditto.
4649 (enum escape_type): New.
4650 (mark_call_clobbered): Adjust prototype.
4651 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
4652 are never call clobbered.
4653 Record reasons for escaping.
4654 * tree-ssa-structalias.h (is_escape_site): Update prototype.
4655 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
4656 (ssa_ro_call_cache_valid): Ditto.
4657 (clobbered_v_may_defs): Ditto.
4658 (clobbered_vuses): Ditto.
4659 (ro_call_vuses): Ditto.
4660 (clobber_stats): New.
4661 (init_ssa_operands): Zero out clobber stats.
4662 (fini_ssa_operands): Print out clobber stats.
4663 (get_call_expr_operands): Pass callee fndecl to
4665 (add_call_clobber_ops): Remove use of cache.
4666 Add use of PURE_CONST information.
4667 (add_call_read_ops): Remove use of cache.
4668 Add use of static not_read information.
4670 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
4672 Introduce TLS descriptors for i386 and x86_64.
4673 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
4674 (TARGET_ANY_GNU_TLS): New macro.
4675 (enum tls_dialect): Added TLS_DIALECT_GNU2.
4676 (struct machine_function): Add tls_descriptor_call_expanded_p.
4677 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
4678 (ix86_current_function_calls_tls_descriptor): Likewise.
4679 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
4680 (override_options): Introduce gnu2 tls dialect.
4681 (ix86_frame_pointer_required): Functions containing TLSCALLs are
4683 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
4685 (legitimize_tls_address): Adjust logic for GNU2 TLS.
4686 (ix86_init_machine_status): Initialize new field.
4687 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
4688 (ix86_tls_module_base): New.
4689 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
4690 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
4691 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
4692 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
4693 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
4694 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
4695 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
4696 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
4697 * config/i386/predicates.md (tls_modbase_operand): New.
4698 (tp_or_register_operand): New.
4700 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
4702 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
4703 (look_for_address_of): Ditto.
4704 (ipa_init): Walk the function decls.
4705 (static_execute): Don't set readonly on FUNCTION_DECL's.
4707 2006-01-18 Roger Sayle <roger@eyesopen.com>
4709 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
4710 for shifts where the source and destination registers are different.
4712 2006-01-18 Paul Brook <paul@codesourcery.com>
4714 Merge from csl-arm-branch.
4715 2005-03-14 Julian Brown <julian@codesourcery.com>
4716 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
4717 (aeabi_llsl): Likewise.
4718 (ashrdi3): Likewise.
4719 (aeabi_lasr): Likewise.
4720 (lshrdi3): Likewise.
4721 (aeabi_llsr): Likewise.
4722 2005-03-10 Julian Brown <julian@codesourcery.com>
4723 * config.gcc: Disable shared libgcc for SymbianOS.
4724 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
4726 2006-01-18 DJ Delorie <dj@redhat.com>
4728 * c-pragma.c (handle_pragma_diagnostic): New.
4729 (init_pragma): Register it.
4730 * doc/extend.texi: Document it.
4732 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
4733 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
4734 (diagnostic_context): Add classify_diagnostic[].
4735 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
4736 as errors if they're overridden to DK_WARNING.
4737 (diagnostic_initialize): Initialize classify_diagnostic[].
4738 (diagnostic_set_kind_override): New.
4739 (diagnostic_report_diagnostic): Check for kind changes.
4740 * opts.c (common_handle_option): Take lang_mask. Update callers.
4742 * common.opt (Werror=): New.
4743 * doc/invoke.texi: Document -Werror=*
4745 2006-01-18 Jeff Law <law@redhat.com>
4747 * tree-vrp.c (test_for_singularity): Correct test for new
4748 min limit. Use operand_equal_p rather than pointer equality
4749 for testing if new min/max values are equal.
4751 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
4752 using range information until after propagation and folding.
4754 2006-01-18 Richard Henderson <rth@redhat.com>
4755 Aldy Hernandez <aldyh@redhat.com>
4756 Jakub Jelinek <jakub@redhat.com>
4757 Diego Novillo <dnovillo@redhat.com>
4759 * omp-low.c: New file.
4760 * c-omp.c: New file.
4762 2006-01-18 Richard Henderson <rth@redhat.com>
4763 Jakub Jelinek <jakub@redhat.com>
4764 Diego Novillo <dnovillo@redhat.com>
4766 * doc/invoke.texi: Document -fopenmp.
4767 * tree-dump.h (debug_function): Declare.
4768 * hooks.c (hook_bool_tree_bool_false): New function.
4769 (hook_tree_tree_null): Remove.
4770 (hook_tree_tree_tree_null): New.
4771 * hooks.h: Update to match.
4772 * tree-pretty-print.c (debug_tree_chain): New.
4773 (print_generic_expr): Handle TDF_CHAIN.
4774 (dump_generic_node): Handle BLOCK.
4775 Do not abort with incomplete SWITCH_EXPRs.
4776 Do not dump body of an OpenMP directive if TDF_SLIM is given.
4777 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
4778 print space after directive name.
4779 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
4780 Handle OMP_MASTER and OMP_ORDERED.
4781 Handle printing of OMP_BODY just in one place, goto
4782 dump_omp_body in the rest of OMP_* nodes that have
4784 Don't handle clause nodes here. Update omp statements to
4785 use dump_omp_clauses.
4786 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
4787 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
4788 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
4789 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
4790 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
4791 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
4792 Adjust output for GOMP_PARALLEL.
4793 (dump_omp_clauses): New.
4794 (print_declaration): Dump DECL_VALUE_EXPR.
4795 (op_symbol_1): Split out of op_symbol.
4796 (dumping_stmts): Remove. Update all users.
4797 * cgraph.c (cgraph_analyze_queue): New.
4798 (cgraph_add_new_function): New.
4799 * cgraph.h (cgraph_analyze_queue): Declare.
4800 (cgraph_add_new_function): Declare.
4801 (cgraph_lower_function): Remove.
4802 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
4803 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
4804 and TYPE_P nodes in its default clause.
4805 (empty_body_p): New.
4806 (tree_range_check_failed): New.
4808 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
4809 OMP_CLAUSE_REDUCTION_MERGE,
4810 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
4811 OMP_CLAUSE_PRIVATE_DEBUG,
4812 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
4813 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
4814 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
4815 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
4816 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
4817 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
4818 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
4819 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
4820 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
4821 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
4822 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
4823 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
4824 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
4825 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
4826 (TREE_RANGE_CHECK): New.
4827 (empty_body_p): Declare.
4828 (enum omp_clause_default_kind): New.
4829 (build_string_literal): Declare.
4830 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
4831 (build5_stat, build5): Declare.
4832 * tree-pass.h (TDF_CHAIN): Define.
4833 * tree-pass.h (PROP_gimple_lomp): Define.
4834 (pass_lower_omp): Declare.
4835 * diagnostic.h (debug_tree_chain): Declare.
4836 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
4838 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
4839 * builtins.c (build_string_literal): Make extern.
4840 * gcc.c (include_spec_function): New.
4841 (static_spec_functions): Add it.
4842 (main): Move load of libgomp.spec ...
4843 (LINK_COMMAND_SPEC): ... here.
4844 (link_gomp_spec): New.
4845 (static_specs): Include it.
4846 (LINK_COMMAND_SPEC): Add link_gomp.
4847 (GOMP_SELF_SPECS): New.
4848 (driver_self_specs): Include it.
4849 (switch_matches): Don't mark inline.
4850 (main): Load libgomp.spec.
4851 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
4852 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
4853 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
4854 * tree-gimple.h (enum omp_parallel): Declare.
4855 (determine_parallel_type): Declare.
4856 (omp_firstprivatize_variable): Declare.
4857 (omp_reduction_init): Declare.
4858 (diagnose_omp_structured_block_errors): Declare.
4859 (struct walk_stmt_info): Add want_return_expr.
4860 (struct walk_stmt_info): Add want_bind_expr, want_locations.
4861 (find_omp_clause): Declare.
4862 (insert_field_into_struct): Declare.
4863 (struct walk_stmt_info): Move from tree-nested.c
4864 (walk_stmts): Declare.
4865 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
4867 * cgraphunit.c (cgraph_lower_function): Make static.
4868 (cgraph_finalize_pending_functions): New.
4869 (cgraph_finalize_function): Call it.
4870 (cgraph_finalize_compilation_unit): Likewise.
4871 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
4872 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
4873 (BT_FN_UINT_UINT): New.
4874 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
4875 DEF_FUNCTION_TYPE_VAR_4): Document.
4876 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
4877 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
4878 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
4879 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
4880 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
4881 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
4882 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
4883 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
4884 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
4885 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
4886 into separate files.
4887 (DEF_GOMP_BUILTIN): New.
4888 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
4889 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
4890 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
4891 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
4892 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
4893 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
4894 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
4895 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
4896 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
4897 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
4898 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
4899 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
4900 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
4901 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
4902 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
4903 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
4904 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
4905 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
4906 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
4907 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
4908 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
4909 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
4910 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
4911 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
4912 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
4913 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
4914 * sync-builtins.def: New file, moved from builtins.def.
4915 * omp-builtins.def: New file, moved from builtins.def.
4916 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
4917 * gimple-low.c (lower_function_body): Clear data.
4918 (lower_stmt): Do not handle COMPOUND_EXPR.
4919 Remove call to print_node_brief.
4920 * c-tree.h (c_finish_omp_clauses): New prototype.
4921 (C_DECL_THREADPRIVATE_P): Define.
4922 (lookup_name_no_remap, c_omp_remap_private): Remove
4923 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
4924 (check_for_loop_decls): Update decl.
4925 (lookup_name_no_remap, c_omp_remap_private): Declare.
4926 (build_indirect_ref, build_modify_expr, pushdecl,
4927 pushdecl_top_level): Move to c-common.h.
4928 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
4929 before the switch, but just in the 2 places that need it.
4930 * c-decl.c (diagnose_mismatched_decls): Do not check for
4931 mismatched thread-local attributes when OLDDECL is marked
4932 threadprivate and NEWDECL has no thread-local attributes.
4933 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
4934 (c_gimple_diagnostics_recursively): Rename from
4935 c_warn_unused_result_recursively. Invoke
4936 diagnose_omp_structured_block_errors.
4937 (check_for_loop_decls): Return a singular decl found.
4938 * langhooks.c (lhd_omp_predetermined_sharing): Return
4939 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
4940 (lhd_omp_firstprivatize_type_sizes): New.
4941 (lhd_omp_assignment): New.
4942 (lhd_omp_predetermined_sharing): New.
4943 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
4944 (struct lang_hooks_for_types): Add
4945 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
4946 omp_predetermined_sharing, omp_disregard_value_expr,
4947 omp_private_debug_clause, omp_clause_default_ctor,
4948 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
4949 (c_finish_omp_clauses): New.
4950 (c_finish_bc_stmt): Diagnose break within omp for.
4951 (c_begin_omp_parallel, c_finish_omp_parallel): New.
4952 (build_unary_op): Return error_mark after reporting
4954 (build_modify_expr): Likewise.
4955 * gimplify.c: Include optabs.h and pointer-set.h.
4956 (enum gimplify_omp_var_data): Declare.
4957 (struct gimplify_omp_ctx): Declare.
4958 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
4960 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
4961 (push_gimplify_context, pop_gimplify_context): Allow nesting.
4962 (splay_tree_compare_decl_uid): New.
4963 (new_omp_context): New.
4964 (delete_omp_context): New.
4965 (gimple_add_tmp_var): Call omp_add_variable.
4966 (gimplify_bind_expr): Likewise.
4967 (gimplify_var_or_parm_decl): If omp_notice_variable returned
4968 true, disregard DECL_VALUE_EXPR on the decl if any.
4969 (gimplify_expr_in_ctx): New.
4970 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
4971 omp_add_variable, omp_notice_variable, omp_is_private
4972 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
4973 gimplify_adjust_omp_clauses, gimplify_omp_parallel
4974 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
4975 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
4976 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
4977 gimplify_omp_atomic): New.
4978 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
4979 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
4980 OMP_CRITICAL and OMP_ATOMIC.
4981 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
4982 * c-pragma.h (enum pragma_kind): Add
4983 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
4984 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
4985 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
4986 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
4987 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
4988 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
4989 PRAGMA_OMP_THREADPRIVATE.
4990 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
4991 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
4992 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
4993 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
4994 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
4995 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
4996 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
4997 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
4998 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
4999 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
5000 * tree-ssa-dce.c (find_control_dependence): Do not assume that
5001 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
5002 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
5004 (struct nesting_info): Add field_map,
5005 suppress_expansion, debug_var_chain.
5006 (create_nesting_tree): Initialize them.
5007 (lookup_field_for_decl): Use field_map.
5008 (get_nonlocal_debug_decl, get_local_debug_decl): New.
5009 (convert_local_omp_clauses): New.
5010 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
5011 (walk_body): Split out of walk_function.
5012 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
5013 (convert_nonlocal_reference): Handle omp statements.
5014 (convert_local_reference): Likewise.
5015 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
5016 (unnest_nesting_tree): New.
5017 (lower_nested_functions): Call it.
5018 (insert_field_into_struct): Make extern.
5019 (struct walk_stmt_info): Move to tree-gimple.h.
5020 (walk_stmts): Make extern.
5021 * omp-builtins.def: New file.
5022 * tree-iterator.c (expr_only): Clarify comment.
5023 * c-common.h (pushdecl_top_level, pushdecl,
5024 build_modify_expr, build_indirect_ref,
5025 c_finish_omp_master, c_finish_omp_critical,
5026 c_finish_omp_ordered, c_finish_omp_barrier,
5027 c_finish_omp_atomic, c_finish_omp_flush,
5028 c_finish_omp_for, c_split_parallel_clauses,
5029 omp_clause_default_kind, c_omp_sharing_predetermined,
5030 c_omp_remap_decl): Declare.
5031 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
5032 (OBJS-common): Add omp-low.o.
5033 (c-omp.o, omp-low.o): Add.
5034 (gimplify.o): Add dependency on $(OPTABS_H).
5035 (GTFILES): Add omp-low.c.
5036 (gt-stringpool.h): Add.
5037 * tree-cfg.c (set_bb_for_stmt): Do not update the
5038 block-to-labels map if we are currently expanding to RTL.
5039 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
5041 Handle IDENTIFIER_NODE.
5042 (tree_verify_flow_info): Do not ICE when emitting error
5043 messages about invalid labels.
5044 (dump_function_to_file): Reset CFUN before emitting the body
5046 (debug_function): New.
5047 * passes.c (init_optimization_passes): Schedule
5049 * langhooks-def.h (lhd_omp_predetermined_sharing,
5050 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
5052 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
5053 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
5054 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
5055 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
5056 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
5057 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
5058 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
5059 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
5060 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
5061 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
5062 (LANG_HOOK_DECLS): Use them.
5064 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
5065 Richard Henderson <rth@redhat.com>
5066 Jakub Jelinek <jakub@redhat.com>
5067 Diego Novillo <dnovillo@redhat.com>
5069 * c-parser.c (pragma_omp_clause): Define.
5070 (c_parser_declaration_or_fndef): Document OpenMP syntax.
5071 (c_parser_compound_statement): Likewise.
5072 (c_parser_statement): Likewise.
5073 (c_parser_pragma): Handle omp pragmas.
5074 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
5075 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
5076 (c_parser_omp_clause_name, check_no_duplicate_clause,
5077 c_parser_omp_variable_list,
5078 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
5079 c_parser_omp_clause_copyprivate,
5080 c_parser_omp_clause_default,
5081 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
5082 c_parser_omp_clause_lastprivate,
5083 c_parser_omp_clause_nowait,
5084 c_parser_omp_clause_num_threads,
5085 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
5086 c_parser_omp_clause_reduction,
5087 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
5088 c_parser_omp_all_clauses, c_parser_omp_structured_block,
5089 c_parser_omp_atomic, c_parser_omp_barrier,
5090 c_parser_omp_critical, c_parser_omp_flush,
5091 c_parser_omp_for_loop, c_parser_omp_for,
5092 c_parser_omp_master, c_parser_omp_ordered,
5093 c_parser_omp_sections_scope, c_parser_omp_sections,
5094 c_parser_omp_parallel, c_parser_omp_single,
5095 c_parser_omp_construct, c_parser_omp_threadprivate): New.
5096 * c-pragma.c (init_pragma): Do omp pragma registration here.
5097 * c.opt (fopenmp): New flag.
5099 2006-01-18 Eric Christopher <echristo@apple.com>
5101 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
5102 * config/darwin.h (GOMP_SELF_SPECS): Define.
5104 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5106 * rtl.h: Remove the prototype for reg_alloc.
5108 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5111 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
5112 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
5113 sjlj and dwarf2 exception handling.
5114 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
5115 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
5116 * pa/pa.c (function_value): Treat complex and vector types as
5118 (function_arg): Likewise. Only pass scalar floats in the floating
5119 point argument registers.
5120 * pa/t-slibgcc-dwarf-ver: New file.
5121 * pa/t-slibgcc-sjlj-ver: New file.
5122 * pa/t-slibgcc-elf-ver: Delete file.
5124 2006-01-19 Alan Modra <amodra@bigpond.net.au>
5126 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
5127 unlikely_test_section_p test.
5129 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5131 * mode-switching.c (optimize_mode_switching): Make it static.
5132 * basic-block.h: Remove the prototype for
5133 optimize_mode_switching.
5135 * modulo-sched.c (sms_schedule): Make it static.
5136 * rtl.h: Remove the prototype for sms_schedule.
5138 * postreload-gcse.c (gcse_after_reload_main): Make it static.
5139 * rtl.h: Remove the prototype for gcse_after_reload_main.
5141 * reg-stack.c (reg_to_stack): Make it static.
5142 * rtl.h: Remove the prototype for reg_to_stack.
5144 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
5146 * rtl.h: Remove the prototypes for regrename_optimize and
5147 copyprop_hardreg_forward.
5149 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
5151 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
5152 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
5153 Test against the appropriate null constant for the mode.
5154 If 'fixup_overlap' is true, swap the operands if they overlap.
5155 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
5156 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
5157 alpha_split_tmode_pair and adjust for above change.
5158 * config/alpha/alpha.md (movtf_internal): Adjust call to
5159 alpha_split_tfmode_pair and rely on it to swap the operands.
5160 (movti_internal): New insn and post-reload splitter.
5161 (movti): New expander.
5163 2006-01-18 Philippe De Muyter <phdm@macqel.be>
5165 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
5168 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
5170 * rtlanal.c (global_reg_mentioned_p_1,
5171 global_reg_mentioned_p): Remove.
5172 * rtl.h: Remove the prototype for global_reg_mentioned_p.
5174 * flow.c (initialize_uninitialized_subregs): Make it static.
5175 * rtl.h: Remove the prototype for
5176 initialize_uninitialized_subregs.
5178 * function.c (instantiate_virtual_regs): Make it static.
5179 * function.h: Remove the prototype for
5180 instantiate_virtual_regs.
5182 * regmove.c (regmove_optimize, combine_stack_adjustments):
5184 * rtl.h: Remove the prototypes for regmove_optimize and
5185 combine_stack_adjustments.
5187 2006-01-17 Roger Sayle <roger@eyesopen.com>
5189 * config/i386/i386.c (COSTS_N_BYTES): New macro.
5190 (size_cost): Encode costs in bytes so that a reg-reg addition is
5191 equivalent to COSTS_N_INSNS(1).
5192 (override_options): Use the size_cost.branch_cost as the default
5193 ix86_branch_cost when optimizing for size.
5195 2006-01-18 Ben Elliston <bje@au.ibm.com>
5197 * Makefile.in (D32PBIT_FUNCS): New.
5198 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
5199 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
5200 D64PBIT_FUNCS and D128PBIT_FUNCS.
5201 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
5202 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
5204 (decnumber_dep): Define.
5205 * doc/libgcc.texi (Decimal float library routines): New node.
5206 * config/dfp-bit.h, config/dfp-bit.c: New files.
5208 2006-01-18 Ben Elliston <bje@au.ibm.com>
5210 * expr.c (emit_move_change_mode): Always adjust addresses, not
5211 just during reload. Copy replacements only during reload.
5212 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
5213 emit_move_via_integer.
5215 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
5217 * Makefile.in (check-%, check-consistency): Use $${srcdir}
5218 instead of $(srcdir) and ${srcdir}.
5220 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
5224 * arm.h (struct machine_function): Add pic_reg.
5225 * arm.c (arm_pic_register): Make unsigned.
5226 (arm_override_options): Only set arm_pic_register if
5227 TARGET_SINGLE_PIC_BASE.
5228 (use_return_insn): Only test for a pic register if it is fixed.
5229 (arm_compute_save_reg0_reg12_mask): Likewise.
5230 (thumb_compute_save_reg_mask): Likewise.
5231 (legitimate_pic_operand): Factor out some known invariants.
5232 (legitimize_pic_address): If we don't have a fixed pic register,
5233 then set up a pseudo in the function entry sequence. Handle the
5234 pic base being in a pseudo.
5235 (arm_load_pic_register): Handle the pic register being in a pseudo.
5236 (arm_expand_prologue): Only set up the pic register if it is fixed.
5237 (thumb_expand_prologue): Likewise.
5238 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
5239 (pic_load_addr_based_insn): Likewise.
5240 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
5243 2006-01-18 Ben Elliston <bje@au.ibm.com>
5245 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
5246 decimal float modes for all floating point registers.
5248 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
5249 match_code "mem" with match_test "macho_lo_sum_memory_operand".
5251 2006-01-17 Jakub Jelinek <jakub@redhat.com>
5254 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
5255 even when the pointer is not NULL.
5257 2006-01-16 Ian Lance Taylor <ian@airs.com>
5259 * common.opt (ftoplevel-reorder): New option.
5260 * cgraph.c (cgraph_asm_nodes): New global variable.
5261 (cgraph_asm_last_node): New static variable.
5262 (cgraph_order): New global variable.
5263 (cgraph_create_node): Set new order field.
5264 (cgraph_varpool_node): Likewise.
5265 (decide_is_variable_needed): Return true if not
5266 flag_toplevel_reorder.
5267 (cgraph_add_asm_node): New function.
5268 * cgraph.h (struct cgraph_node): Add order field.
5269 (struct cgraph_varpool_node): Add order field.
5270 (struct cgraph_asm_node): Define.
5271 (cgraph_asm_nodes, cgraph_order): Declare.
5272 (cgraph_add_asm_node): Declare.
5273 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
5275 (cgraph_varpool_assemble_pending_decls): Call it.
5276 (cgraph_output_pending_asms): New static function.
5277 (cgraph_finalize_compilation_unit): Call it.
5278 (struct cgraph_order_sort): Define.
5279 (cgraph_output_in_order): New static function.
5280 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
5281 !flag_toplevel_reorder case.
5282 * c-parser.c: Include "cgraph.h".
5283 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
5285 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
5286 than -fno-unit-at-a-time.
5287 * doc/invoke.texi (Option Summary): Mention
5288 -fno-toplevel-reorder.
5289 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
5290 -funit-at-a-time documentation.
5292 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
5293 Kazu Hirata <kazu@codesourcery.com>
5295 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
5297 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
5299 * Makefile.in (FUNCTION_H): New. Use it instead of
5300 function.h throughout the file.
5301 * function.h: Include tree.h.
5303 2006-01-17 Ben Elliston <bje@au.ibm.com>
5305 * recog.c: Separate some functions with whitespace.
5307 2006-01-16 Richard Henderson <rth@redhat.com>
5309 Merge from gomp branch:
5310 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
5311 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
5312 and rename from struct inline_data. Rename callee* to dst*;
5313 caller* to src*; add copy_decl hook, transform_call_graph_edges,
5314 transform_new_cfg, transform_return_to_modify, and
5315 transform_lang_insert_block flags; remove cloning_p, versioning_p,
5317 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
5318 (copy_decl_for_dup): Remove.
5319 * tree-inline.c (struct inline_data): Move to header.
5320 (insert_decl_map): Export.
5321 (remap_decl): Update for member name changes. Use copy_decl hook.
5322 Allow for replacement to be a non-decl. Remove dead code.
5323 (remap_type_1): Check for existing mapping.
5324 (remap_type): Export.
5325 (remap_decls): Update for member name changes.
5326 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
5327 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
5328 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
5329 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
5330 (tree_function_versioning, build_duplicate_type): Likewise.
5331 (copy_body_r): Likewise. Export.
5332 (copy_decl_for_dup): Split into ...
5333 (copy_decl_for_dup_finish, copy_decl_to_var,
5334 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
5335 (replace_ref_tree, inlining_p): Remove.
5337 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5339 * ifcvt.c (if_convert): Make it static.
5340 * rtl.h: Remove the prototype for if_convert.
5342 * local-alloc.c (local_alloc): Make it static.
5343 * rtl.h: Remove the prototype for local_alloc.
5345 * loop.c (loop_optimize): Make it static.
5346 * cfgloop.h: Remove the prototype for loop_optimize.
5349 2006-01-16 DJ Delorie <dj@redhat.com>
5351 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
5354 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5356 * pa.md: Disparage copies between general and floating-point registers
5357 in 32-bit move patterns.
5359 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
5362 * Makefile.in (check-%): Depend on site.exp instead of
5363 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
5366 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5368 * global.c (global_alloc): Make it static.
5369 * rtl.h: Remove the prototype for global_alloc.
5371 2006-01-16 Richard Guenther <rguenther@suse.de>
5373 * tree-ssa-alias.c (struct used_part): Add write_only field.
5374 (get_or_create_used_part_for): Initialize it to true.
5375 (create_overlap_variables_for): Don't create structure variables
5376 for structures that only are written to.
5377 (find_used_portions): Handle MODIFY_EXPR to track whether a
5378 structure is only written to.
5380 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5382 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
5384 * basic-block.h: Remove the prototype for
5385 partition_hot_cold_basic_blocks.
5387 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
5389 * cppspec.c (lang_specific_spec_functions): Remove.
5390 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
5391 * gcc.h (lang_specific_spec_functions): Remove.
5392 * gccspec.c (lang_specific_spec_functions): Remove.
5394 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
5396 * combine.c (record_value_for_reg): Invalidate registers
5398 (record_dead_and_set_regs_1): Likewise, by passing them to
5399 record_value_for_reg.
5400 (record_dead_and_set_regs): Invalidate stores made by a
5401 call. We do not combine across a call, but we still
5402 relied on equivalences.
5404 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5406 * tree-vrp.c (extract_range_from_binary_expr): Cope with
5407 vrp_int_const_binop returning non-constant nodes.
5409 2006-01-16 Paul Brook <paul@codesourcery.com>
5411 * config/m68k/m68k.c (output_move_const_into_data_reg):
5412 Output correct mnemonic for mvz and mvs.
5414 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
5416 * rtl-factoring.c: Add sequence abstraction algorithm.
5417 * cfgcleanup.c (outgoing_edges_match): Extra checks.
5418 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
5420 (block_has_preserve_label): New function.
5421 * common.opt: Register new pass.
5422 * Makefile.in: Ditto.
5424 * timevar.def: Ditto.
5425 * tree-pass.h: Ditto.
5426 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
5427 * rtl.h (make_jump_insn_raw): Add forward decl.
5428 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
5430 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5431 Roger Sayle <roger@eyesopen.com>
5433 * fold-const.c (fold_minmax): New static function.
5434 (fold_binary) <MIN_EXPR>: Call it.
5435 <MAX_EXPR>: Likewise.
5436 * stor-layout.c (place_field): Use DECL_SIZE consistently
5437 in the computation of the new record size.
5439 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5441 * cse.c (cse_condition_code_reg): Make it static.
5442 * rtl.h: Remove the prototype for cse_condition_code_reg.
5444 * combine.c (combine_instructions): Make it static.
5445 * rtl.h: Remove the prototype for combine_instructions.
5447 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5450 * tree.c (get_file_function_name_long): Concatenate the first global
5451 object name with a string derived from the input filename of the object
5454 2006-01-16 Ben Elliston <bje@au.ibm.com>
5456 * config/i386/winnt-stubs.c: Update FSF address.
5457 * config/xtensa/ieee754-df.S: Ditto.
5458 * config/xtensa/ieee754-sf.S: Ditto.
5460 2006-01-14 Ian Lance Taylor <ian@airs.com>
5462 * ifcvt.c (noce_init_if_info): New static function, broken out of
5463 noce_process_if_block.
5464 (noce_process_if_block): Call noce_init_if_info.
5465 (check_cond_move_block): New static function.
5466 (cond_move_process_if_block): New static function.
5467 (process_if_block): Call cond_move_process_if_block.
5469 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
5471 * cselib.c (hash_table): Rename to cselib_hash_table.
5472 (cselib_clear_table, discard_useless_values,
5473 remove_useless_values, cselib_lookup_mem, cselib_lookup,
5474 cselib_init, cselib_finish): Adjust uses of hash_table.
5476 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
5478 PR tree-optimization/25485
5479 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
5480 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
5481 is known to be false and true, respectively.
5483 2006-01-14 Richard Guenther <rguenther@suse.de>
5485 PR tree-optimization/22548
5486 PR tree-optimization/22555
5487 PR tree-optimization/22501
5488 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
5489 * params.def (salias-max-array-elements): New parameter.
5490 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
5491 * doc/invoke.texi (salias-max-array-elements): Document.
5492 * tree-flow-inline.h (var_can_have_subvars): We also handle
5494 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
5496 * tree-ssa-structalias.c (params.h): Include.
5497 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
5498 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
5499 (get_constraint_for): For ADDR_EXPR operating on something
5500 containing an ARRAY_REF, add all subvars to the solution.
5501 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
5502 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
5503 for creating MUST_DEFs.
5504 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
5506 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
5508 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
5510 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
5511 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5512 number_of_iterations_le): New functions.
5513 (number_of_iterations_special): Removed.
5514 (number_of_iterations_exit): Do not use number_of_iterations_special.
5515 * tree.c (unsigned_type_for): Always return integer type.
5517 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
5518 Richard Guenther <rguenther@suse.de>
5520 PR rtl-optimization/24257
5521 * gcse.c (find_moveable_store): Only consider a store movable
5522 when the SET_SRC of the insn can be assigned to a register.
5524 2006-01-14 Ian Lance Taylor <ian@airs.com>
5526 * tree.c (tree_not_class_check_failed): New function.
5527 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
5528 (tree_not_class_check_failed): Declare.
5530 2006-01-13 Ian Lance Taylor <ian@airs.com>
5532 * reload1.c (do_output_reload): Add assertion rejecting a
5535 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
5537 * combine.c (struct reg_stat): Add new fields truncation_label and
5539 (record_value_for_reg): Reset truncated_to_mode.
5540 (record_truncated_value): New function.
5541 (check_promoted_subreg): Call it. Rename to check_conversions.
5542 (combine_instructions): Rename check_promoted_subreg to
5544 (reg_truncated_to_mode): New function.
5545 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
5546 (gen_lowpart_or_truncate): New function.
5547 (force_to_mode): Use it instead of gen_lowpart.
5549 2006-01-13 Diego Novillo <dnovillo@redhat.com>
5551 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
5552 VAR is a tag, not its type tag.
5554 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
5556 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
5557 alternatives to match style of other entries.
5558 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
5560 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
5562 PR tree-optimization/25771
5563 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
5566 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
5569 * tree-inline.c (declare_return_variable): If the return variable
5570 was marked as a non gimple complex, set the return slot variable
5571 to be a non gimple comple variable.
5573 2006-01-13 Richard Guenther <rguenther@suse.de>
5575 * builtins.c (expand_builtin_sincos): New function.
5576 (expand_builtin_mathfn_3): Remove dead code, sin and cos
5578 (expand_builtin): Expand sincos using expand_builtin_sincos.
5580 2006-01-12 DJ Delorie <dj@redhat.com>
5582 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
5583 shift counts, separate SI shifts for m32c vs m16c, pass shift type
5584 so that constant shifts can be split.
5585 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
5586 (m32c_valid_pointer_mode): Make static.
5587 (shift_gen_func_for): New.
5588 (m32c_prepare_shift): Use it. Split large const shifts into
5590 * config/m32c/predicates.md (shiftcount_operand): Allow more
5592 (longshiftcount_operand): New.
5593 * doc/md.texi (Machine Constraints): Document In6.
5595 2006-01-13 Ben Elliston <bje@au.ibm.com>
5597 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
5598 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
5601 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
5603 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
5604 to try to avoid clobbering pieces of structures when we know
5605 something about the whole structure.
5606 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
5608 2006-01-13 Ben Elliston <bje@au.ibm.com>
5610 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
5611 return in memory, as this is no limitation is no longer present.
5613 2006-01-12 DJ Delorie <dj@redhat.com>
5615 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
5616 mova with fb, and for fb+0 -> An.
5618 * config/m32c/mov.md (peephole2): Fix enabling logic.
5620 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
5621 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
5622 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
5623 FINI_ARRAY_SECTION_ASM_OP): Define.
5625 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
5627 (m32c_legitimize_reload_address): New logic to reload FB to An.
5628 (m32c_output_reg_push): Add newline.
5629 (m32c_output_reg_pop): Likewise.
5631 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
5633 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
5635 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
5637 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
5639 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5641 * config/sh/predicates.md (sh_rep_vec): Add parallel to
5644 2006-01-11 Ben Elliston <bje@au.ibm.com>
5646 * rtlanal.c (find_reg_note): Assert insn is not null.
5648 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
5650 * df-scan.c (df_hard_reg_init): Move declaration of i outside
5653 2006-01-11 Jeff Law <law@redhat.com>
5655 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
5657 (mark_threaded_blocks, register_jump_thread): New functions.
5658 (thread_through_all_blocks): Remove unwanted argument. No
5659 longer rely on e->aux to communicate thread target info.
5660 Call mark_threaded_blocks. Release the threaded_blocks
5661 bitmap and threaded_edges vector when complete.
5662 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
5663 (threaded_blocks): Remove.
5664 (tree_ssa_dominator_optimize): Remove initialization and
5665 finalization of threaded_blocks. Simplify call to
5666 thread_through_all_blocks.
5667 (thread_across_edge): Call register_jump_thread rather than
5668 storing thread information into e->aux.
5669 (free_all_edge_infos): Simplify now that e->aux is no longer
5670 used to communicate with thread_through_all_blocks.
5671 * tree-flow.h (thread_through_all_blocks): Update prototype.
5672 (register_jump_thread): Prototype.
5674 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5676 * df-core.c (df_compact_blocks, df_bb_replace): Use
5677 SET_BASIC_BLOCK instead of BASIC_BLOCK.
5679 2006-01-11 Richard Guenther <rguenther@suse.de>
5681 PR tree-optimization/25734
5682 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
5683 stop propagation after successful propagation to the LHS.
5685 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5687 * basic-block.h (control_flow_graph): Change the type of
5688 x_basic_block_info to VEC(basic_block,gc) *.
5689 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
5691 (SET_BASIC_BLOCK): New.
5692 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
5693 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
5694 * cfgbuild.c (find_basic_blocks): Likewise.
5695 * cfglayout.c (fixup_reorder_chain): Likewise.
5696 * cfgrtl.c (create_basic_block_structure,
5697 rtl_create_basic_block): Likewise.
5698 * ifcvt.c (find_if_case_1): Likewise.
5699 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
5702 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
5704 * Makefile.in: Removed rotted odf.c entry.
5706 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
5709 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
5710 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
5711 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
5712 output pattern modifier, not %e.
5713 * config/cris/cris.c (cris_op_str): Update comment about pattern
5715 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
5716 before falling through into...
5717 <case 'E'>: Redefined from old 'e' case.
5719 2006-01-11 Jan Hubicka <jh@suse.cz>
5722 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
5724 2006-01-11 Jan Hubicka <jh@suse.cz>
5726 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
5727 * i386.c (x86_decompose_lea): Kill.
5728 (ix86_rtx_costs): Kill.
5730 2006-01-11 Jan Hubicka <jh@suse.cz>
5732 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
5733 * cgraph.h (cgraph_node): Add inline_decl.
5734 (cgraph_insert_node_to_hashtable): Declare.
5735 (save_inline_function_body): Declare.
5736 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
5738 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
5739 (cgraph_function_versioning): Update call of tree_function_versioning.
5740 (save_inline_function_body): New function.
5741 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
5742 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
5743 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
5744 (cgraph_default_inline_p): Likewise.
5745 (cgraph_decide_inlining_incrementally): Likewise.
5746 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
5747 (copy_bb): Kill saving; do updating of clones.
5748 (copy_cfg_body): Kill saving.
5749 (initialize_inlined-parameters): Likewise.
5750 (expand_call_inline): Likewise.
5752 (tree_function_versioning): New parameter "update_clones".
5753 (inlining_p): Kill saving.
5754 * tree-inline.h (tree_function_versioning): Update prototype.
5755 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
5758 2006-01-11 Ian Lance Taylor <ian@airs.com>
5760 * combine.c (struct undo): Remove is_int. Enumify types of undos.
5761 Allow undoing set of machine mode.
5762 (do_SUBST): Use enums instead of is_int.
5763 (do_SUBST_MODE): New function.
5764 (SUBST_MODE): New macro.
5765 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
5766 reg and trying to replace reg_regno_rtx with a new register.
5767 (undo_all): Use new enums, handle undoing a PUT_MODE change.
5768 (simplify_set): Use SUBST_MODE.
5769 (distribute_notes): Remove code that tried to update reg notes
5770 for regno_reg_rtx changes.
5772 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
5774 PR tree-optimization/23109
5775 PR tree-optimization/23948
5776 PR tree-optimization/24123
5778 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
5779 * tree-cfg.c (single_noncomplex_succ): New.
5780 * tree-flow.h (single_noncomplex_succ): Declare it.
5781 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
5782 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
5783 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
5784 insert_bb, register_division_in, insert_reciprocals,
5785 replace_reciprocal, free_bb): New.
5786 (execute_cse_reciprocals_1): Rewritten.
5787 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
5788 Do not commit any edge insertion. Always compute dominators and
5789 create the allocation pool.
5790 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
5791 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
5792 * targhooks.c (default_min_divistions_for_recip_mul): New.
5793 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
5794 * passes.c (init_optimization_passes): Run recip after tree loop
5796 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
5798 2006-01-11 Danny Berlin <dberlin@dberlin.org>
5799 Kenneth Zadeck <zadeck@naturalbridge.com>
5801 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
5802 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
5803 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
5804 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
5805 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
5806 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
5807 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
5808 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
5809 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
5810 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
5811 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
5812 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
5813 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
5814 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
5815 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
5816 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
5817 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
5818 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
5819 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
5820 DF_SCAN_POST_ALLOC): New macros.
5821 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
5822 df_free_bb_function, df_local_compute_function, df_init_function,
5823 df_dataflow_function, df_confluence_function_0,
5824 df_confluence_function_n, df_transfer_function,
5825 df_finalizer_function, df_free_function, df_dump_problem_function,
5826 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
5827 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
5828 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
5829 df_urec_bb_info, ) New types.
5830 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
5832 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
5833 df_analyze_simple_change_some_blocks,
5834 df_analyze_simple_change_one_block, df_compact_blocks,
5835 df_bb_replace, df_bb_regno_last_use_find,
5836 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
5837 df_insn_regno_def_p, df_find_def, df_find_use,
5838 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
5839 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
5840 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
5841 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
5842 debug_df_chain, df_get_dependent_problem, df_chain_create,
5843 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
5844 df_grow_bb_info, df_chain_dump, df_print_bb_index,
5845 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
5846 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
5847 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
5848 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
5849 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
5850 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
5851 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
5852 df_ref_remove, df_insn_refs_delete, df_refs_delete,
5853 df_reorganize_refs, df_set_state, df_hard_reg_init,
5854 df_read_modify_subreg_p) New public functions.
5855 * df-core.c: The core dataflow solver and glue routines for rtl
5857 (df_init, df_add_problem, df_set_blocks, df_finish,
5858 df_hybrid_search_forward, df_hybrid_search_backward,
5859 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
5860 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
5861 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
5862 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
5863 df_reg_defined, df_find_use, df_reg_used, df_dump,
5864 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
5865 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
5866 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
5867 debug_df_useno, reset_df_after_reload): New functions.
5868 * df-scan.c: The scanning fuctions, once in df.c, completely
5869 rewritten so that they now fully model the functionality of
5870 register usage at the backend.
5871 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
5872 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
5873 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
5874 df_grow_insn_info, df_rescan_blocks, df_ref_create,
5875 df_get_artificial_defs, df_get_artificial_uses,
5876 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
5877 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
5878 df_refs_delete, df_reorganize_refs, df_set_state,
5879 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
5880 df_def_record_1, df_defs_record, df_uses_record,
5881 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
5882 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
5883 df_record_exit_block_uses, df_hard_reg_init): New functions.
5885 * df-problems.c: Seven concrete dataflow problems that use the
5886 scanning in df-scan.c and are solved by the engine in df-core.c.
5887 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
5888 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
5889 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
5890 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
5891 df_ru_free_bb_info, df_ru_alloc,
5892 df_ru_bb_local_compute_process_def,
5893 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
5894 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
5895 df_ru_transfer_function, df_ru_free, df_ru_dump,
5896 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
5897 df_rd_free_bb_info, df_rd_alloc,
5898 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
5899 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
5900 df_rd_transfer_function, df_rd_free, df_rd_dump,
5901 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
5902 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
5903 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
5904 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
5905 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
5906 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
5907 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
5908 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
5909 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
5910 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
5911 df_urec_mark_reg_change, df_urec_check_earlyclobber,
5912 df_urec_mark_reg_use_for_earlyclobber,
5913 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
5914 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
5915 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
5916 df_urec_dump, df_urec_add_problem, df_chain_alloc,
5917 df_chain_create_bb_process_use, df_chain_create_bb,
5918 df_chain_finalize, df_chain_free, df_chains_dump,
5919 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
5920 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
5921 df_reg_lifetime): New functions.
5922 * df.c: Deleted file.
5923 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
5924 consistent with new df api.
5925 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
5926 rest_of_handle_sms): Ditto.
5927 * web.c (unionfind_union, union_defs, entry_register, web_main):
5929 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
5930 invariant_expr_equal_p, find_defs, check_dependencies,
5931 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
5932 free_inv_motion_data, move_loop_invariants): Ditto.
5933 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
5934 Update dependencies.
5935 (odf.c): Added defective entry that was deleted later in day.
5936 * sched-deps.c (sched_analyze_1): Ditto.
5938 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
5940 * tree-ssa-operands.c (get_expr_operands): Record addressable
5941 variables directly. Do not call add_stmt_operands for CONST_DECLs
5943 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
5944 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
5946 2006-01-11 Ben Elliston <bje@au.ibm.com>
5948 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
5949 function returns true in the positive case.
5951 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5954 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
5955 for SI, DI, SF and DF modes. Add alternatives to copy between
5956 general and floating point registers to the 32-bit patterns.
5957 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
5958 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
5959 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
5960 generating 64-bit code.
5961 * config/pa/pa.c (output_move_double): Handle copies between general
5962 and floating registers.
5964 2006-01-10 Stuart Hastings <stuart@apple.com>
5966 * config/i386/i386.md (set_got): Update.
5967 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
5968 (builtin_setjmp_receiver): Mach-O support.
5969 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
5970 (GOT_SYMBOL_NAME): Define.
5971 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
5972 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
5973 * config/i386/i386.c (override_options): Revise for Darwin.
5974 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
5975 support. (darwin_x86_file_end): New. (output_set_got): Add label
5976 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
5977 * config/i386/i386-protos.h (output_set_got): Likewise.
5978 * config/darwin.c (machopic_legitimize_pic_address): Update
5981 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
5983 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
5984 when MODE isn't BLKmode.
5986 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5988 PR rtl-optimization/25367
5989 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
5991 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
5994 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
5995 for a negative bound.
5997 2006-01-10 Richard Guenther <rguenther@suse.de>
5999 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6000 Never override with anything constraint.
6002 2006-01-10 Jan Beulich <jbeulich@novell.com>
6004 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
6005 256 bits when optimize_size.
6007 2006-01-10 Jan Beulich <jbeulich@novell.com>
6009 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
6011 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
6012 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
6015 2006-01-10 Ben Elliston <bje@au.ibm.com>
6017 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
6019 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
6020 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
6021 (USE_FP_FOR_ARG): Reject decimal float modes.
6022 (function_arg_advance): Likewise.
6023 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
6024 (rs6000_handle_altivec_attribute): Do not permit decimal floating
6025 point types in AltiVec vectors.
6026 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
6027 (rs6000_libcall_value): Likewise.
6029 2006-01-09 Bob Wilson <bob.wilson@acm.org>
6031 * config/xtensa/ieee754-df.S: New file.
6032 * config/xtensa/ieee754-sf.S: New file.
6033 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
6034 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
6035 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
6037 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
6039 * config/sh/predicates.md (binary_float_operator,
6040 binary_logical_operator, commutative_float_operator,
6041 equality_comparison_operator, greater_comparison_operator,
6042 less_comparison_operator, logical_operator,
6043 noncommutative_float_operator, shift_operator,
6044 symbol_ref_operand, unary_float_operator): Remove redundant
6047 2006-01-09 Jeff Law <law@redhat.com>
6049 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
6050 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
6051 now unused arguments. Callers updated.
6052 (eliminate_redundant_computations): Remove now unused arguments,
6054 (local_fold): Remove, no longer used.
6055 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
6057 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
6058 (simplify_cond): New function.
6059 (forward_propagate_into_cond): Call simplify_cond.
6061 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
6063 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
6064 (*vec_extractv2di_1_sse): New.
6066 2006-01-09 Ben Elliston <bje@au.ibm.com>
6068 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
6070 2006-01-08 Richard Guenther <rguenther@suse.de>
6072 * tree-ssa-structalias.c (get_constraint_for): Remove
6074 (get_constraint_for_component_ref): Likewise.
6075 (do_deref): Likewise.
6076 (get_constraint_for): Likewise.
6077 (do_structure_copy): Likewise.
6078 (handle_ptr_arith): Likewise.
6079 (find_func_aliases): Likewise. Remove unused need_anyoffset
6082 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
6083 Kaz Kojima <kkojima@gcc.gnu.org>
6085 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
6086 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
6087 (EXTRA_CONSTRAINT_C16): Remove.
6088 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
6089 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
6090 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
6091 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
6092 constants of SHmedia. Handle nested constant expressions of
6094 (andcosts): Fix the costs for SHmedia constants.
6095 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
6096 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
6097 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
6098 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
6099 (movv4hi_i, movv2si_i): Likewise.
6100 (movsi_const): Adjust the second operand of ior so to match with
6102 (movdi_const, movdi_const_32bit): Likewise.
6103 (movdi_const_16bit+1): Don't sign-extend LOW.
6104 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
6106 (*double_shori): Fix the split condition. Use GEN_INT instead
6107 of get_int_mode calls. Mask lower 16-bit of the argument of
6109 (sym2GOTPLT): Remove.
6110 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
6112 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
6113 instead of EXTRA_CONSTRAINT_C16.
6115 2006-01-07 Ian Lance Taylor <ian@airs.com>
6116 David Edelsohn <edelsohn@gnu.org>
6118 PR rtl-optimization/25662
6119 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
6120 for constant operands instead of simplify_gen_binary.
6121 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
6122 after trying simplify_binary_operation
6124 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
6126 * tree.c (iterative_hash_expr): Hash decls based on UID.
6128 2006-01-06 Eric Christopher <echristo@apple.com>
6130 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
6131 (TARGET_UNWIND_EMIT): Fix spelling.
6132 * target.h (gcc_target): Add except_table_label.
6133 * except.c (output_function_exception_table): Use.
6134 * varasm.c (default_emit_except_table_label): New.
6135 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
6137 (asm_out): Add here.
6138 * output.h (default_emit_except_table_label): Prototype.
6139 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
6140 * config/darwin.c (darwin_emit_except_table_label): Define.
6141 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
6143 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
6145 PR tree-optimization/18527
6146 * tree-ssa-loop-niter.c (number_of_iterations_cond,
6147 number_of_iterations_special, number_of_iterations_exit):
6148 Move base and step of an iv to a single structure. Add
6149 no_overflow flag, and use it in # of iterations analysis.
6150 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
6151 folded_casts argument.
6152 (simple_iv): Pass base and step in a structure. Set no_overflow
6154 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
6155 Evaluate expensiveness of computing # of iterations instead of
6156 the final expression.
6157 * tree-scalar-evolution.h (affine_iv): New structure.
6158 (simple_iv): Declaration changed.
6159 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
6160 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
6161 find_givs_in_stmt): Changed due to simple_iv change.
6163 2006-01-06 Jeff Law <law@redhat.com>
6166 * tree-cfg.c (bsi_replace): Rename final argument from
6167 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
6168 change (stmt -> orig_stmt).
6169 * tree-eh.c (verify_eh_throw_stmt_node): New function.
6170 (bsi_remove): Add new argument. Remove EH information
6172 (verify_eh_throw_table_statements): New function.
6173 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
6175 * tree-optimize.c (execute_free_cfg_annotations): Verify
6176 the EH throw statement table after removing annotations.
6177 * except.h (verify_eh_throw_table_statements): Prototype.
6178 * tree-flow.h (bsi_remove): Update prototype.
6179 * tree-vrp.c (remove_range_assertions): Add new argument to
6181 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
6182 * tree-complex.c (expand_complex_div_wide): Likewise.
6183 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
6184 * tree-tailcall.c (eliminate_tailcall): Likewise.
6185 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
6186 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
6187 * tree-nrv.c (tree_nrv): Likewise.
6188 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
6189 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
6190 (combine_blocks): Likewise.
6191 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
6192 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
6193 (cleanup_control_flow): Likewise.
6194 (remove_forwarder_block): Likewise.
6195 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
6196 * tree-sra.c (sra_replace): Likewise.
6197 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
6198 (forward_propagate_single_use_vars): Likewise.
6199 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
6200 * tree-inline.c (expand_call_inline): Likewise.
6201 * tree-vect-transform.c (vect_transform_loop): Likewise.
6202 * tree-outof-ssa.c (rewrite_trees): Likewise.
6203 * tree-cfg.c (make_goto_expr_edges): Likewise.
6204 (cleanup_dead_labels): Likewise.
6205 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
6206 (bsi_move_before, bsi_move_after): Likewise.
6207 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
6208 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
6210 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
6213 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
6215 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
6216 on non gimple variables. Also add checks at the top for decls and
6218 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
6220 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
6221 and IMAGPART_EXPR for creating MUST_DEFs.
6222 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
6223 and NAME_MEMORY_TAG separately from the DECLs.
6225 2006-01-06 Richard Guenther <rguenther@suse.de>
6227 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
6228 annotation, if necessary.
6229 * tree-ssa-pre.c (create_expression_by_pieces): Remove
6230 redundant calls to update_stmt.
6231 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
6234 2006-01-05 Richard Henderson <rth@redhat.com>
6236 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
6238 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6240 * c-typeck.c: Update copyright date.
6242 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
6244 * c-typeck.c (build_c_cast): Always warn when casting
6245 from a pointer to an integer of different size, even if
6246 the node was constant.
6248 2006-01-05 Richard Guenther <rguenther@suse.de>
6250 PR tree-optimization/22555
6251 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
6252 if one structure field is an array.
6253 * tree-ssa-operands.c (get_expr_operands): Continue scanning
6254 operands even if we found a subvar, but ignore VOPs in this
6256 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
6258 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
6260 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
6263 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
6265 2006-01-05 Richard Guenther <rguenther@suse.de>
6266 Diego Novillo <dnovillo@redhat.com>
6268 * tree-pass.h (TODO_remove_unused_locals): Define.
6269 * gimple-low.c (expand_var_p, remove_useless_vars,
6270 pass_remove_useless_vars): Remove. Update all users.
6271 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
6272 (remove_unused_locals): New function.
6273 * tree-flow.h (remove_unused_locals): Declare.
6274 * passes.c (execute_todo): Call remove_unused_locals if
6275 TODO_remove_unused_locals is set.
6276 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
6277 * tree-ssa-dce.c (pass_dce): Likewise.
6278 * tree-outof-ssa.c (pass_del_ssa): Likewise.
6280 2006-01-05 Richard Guenther <rguenther@suse.de>
6282 * tree-flow.h (struct fieldoff): Decompose field to
6283 type, size and decl.
6284 * tree-ssa-alias.c (create_sft): Take type as parameter.
6285 (create_overlap_variables_for): Store type, size and decl
6286 in the fieldoff structure.
6287 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
6289 (push_fields_onto_fieldstack): Likewise.
6290 (create_variable_info_for): Likewise. Use offset for the
6291 SFT name if the decl is not available.
6293 2006-01-04 Paul Brook <paul@codesourcery.com>
6295 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
6297 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
6299 * lambda-code.c (can_put_in_inner_loop): Relax
6301 (can_put_after_inner_loop): New function.
6302 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
6303 (perfect_nestify): Change to make copies and modify uses.
6305 2006-01-04 Richard Henderson <rth@redhat.com>
6307 Merge from gomp branch:
6308 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
6309 via integer constant.
6310 (pragma_lex): Remove.
6311 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
6312 rather than parsing it.
6313 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
6314 handle_pragma_extern_prefix): Add %< %> quotes.
6315 (registered_pragmas): New.
6316 (c_register_pragma_1): New.
6317 (c_register_pragma): Use it.
6318 (c_register_pragma_with_expansion): Likewise.
6319 (c_invoke_pragma_handler): New.
6320 (init_pragma): Use cpp_register_deferred_pragma directly for
6322 * c-pragma.h (enum pragma_kind): New.
6323 (pragma_handler): New.
6324 (c_invoke_pragma_handler): Declare.
6325 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
6327 * c-common.h (c_common_pch_pragma): Update decl.
6328 * Makefile.in (c-parser.o): Update dependencies.
6329 (GTFILES): Add c-pragma.h.
6330 * c-parser.c (struct c_token): Add pragma_kind.
6331 (struct c_parser): Add in_pragma.
6332 (c_lex_one_token): Always initialize keyword and pragma_kind.
6333 Extract data for CPP_PRAGMA.
6334 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
6335 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
6336 Don't allow CPP_PRAGMA_EOL if in_pragma.
6337 (c_parser_consume_pragma): New.
6338 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
6339 (c_parser_skip_to_end_of_parameter): Likewise.
6340 (c_parser_skip_to_end_of_block_or_statement): Likewise.
6341 (c_parser_skip_to_pragma_eol): New.
6342 (c_parser_external_declaration): Handle CPP_PRAGMA.
6343 (c_parser_compound_statement_nostart): Likewise.
6344 (c_parser_statement_after_labels): Likewise.
6345 (c_parser_pragma): New.
6346 (pragma_lex): Likewise.
6347 (c_parser_pragma_pch_preprocess): New.
6348 (c_parser_new): Merge into ...
6349 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
6351 2006-01-04 Jeff Law <law@redhat.com>
6354 * tree-cfg.c (bsi_replace): Remove the original statement
6355 from the EH throw statement table.
6357 2006-01-04 Jakub Jelinek <jakub@redhat.com>
6359 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
6360 make the prototype extern "C" and add throw ().
6363 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
6364 and pos non-negative and pos + len <= 32.
6365 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
6366 drop pos + len < HOST_BITS_PER_WIDE_INT test.
6367 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
6370 * c-common.c (handle_vector_size_attribute): Reject zero vector size
6371 as well as sizes not multiple of component size.
6374 * function.c (instantiate_expr): New function.
6375 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
6376 walk its DECL_VALUE_EXPR with instantiate_expr.
6378 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
6379 DW_OP_deref{,_size} if address isn't going to be added.
6381 2006-01-04 Ben Elliston <bje@au.ibm.com>
6383 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
6384 * config/fp-bit.c: Likewise.
6386 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
6388 * dominance.c: Add comment about why we use DFS numbering
6391 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6392 Richard Henderson <rth@redhat.com>
6394 Merge from gomp-branch:
6395 * varasm.c (assemble_variable): Handle thread-local COMMON data.
6396 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
6398 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
6400 PR rtl-optimization/25578
6401 * combine.c (combine_simplify_rtx, force_to_mode): Don't
6402 pass a parameter to simplify_shift_const if changing ASHIFTRT
6405 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
6407 * builtins.c (get_builtin_sync_mem): New function.
6408 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
6409 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
6410 Call get_builtin_sync_mem to generate mem rtx.
6412 2006-01-03 Richard Guenther <rguenther@suse.de>
6415 * stmt.c (add_case_node): Make sure to clear overflow flags
6418 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6420 Merge from gomp-branch.
6421 * config/sparc/sync.md: New file.
6422 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
6423 UNSPECV_LDSTUB): New constants.
6424 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
6425 * config/sparc/predicates.md (memory_reg_operand): New predicate.
6426 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
6429 2006-01-03 Roger Sayle <roger@eyesopen.com>
6431 * combine.c (reg_subword_p): New predicate to test whether the
6432 destination of a set refers to a subword/piece of a register.
6433 (try_combine): Generalize the code to merge the setting of a
6434 pseudo to a constant followed by a set of a subword of that
6435 register to a constant.
6437 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
6439 * basic-block.h (control_flow_graph): Change the type of
6440 x_label_to_block_map to VEC(basic_block,gc) *.
6441 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
6442 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
6444 * tree-ssa-propagate.c (cfg_blocks): Change the type to
6445 VEC(basic_block,heap) *.
6446 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
6447 ssa_prop_fini): Adjust the uses of cfg_blocks.
6449 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
6451 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
6453 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
6454 hashing trees instead of a pointer hash.
6455 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
6456 compare for MEM_EXPR.
6458 PR rtl-optimization/25130
6459 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
6460 when comparing MEMs for GCSE
6462 2006-01-03 Ben Elliston <bje@au.ibm.com>
6464 * targhooks.h (default_decimal_float_supported_p): Declare.
6465 * targhooks.c (default_decimal_float_supported_p): Define.
6466 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
6467 `default_decimal_float_supported_p'.
6468 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
6470 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
6472 * combine.c (apply_distributive_law <SUBREG>): Check
6473 TRULY_NOOP_TRUNCATION.
6475 2006-01-02 Geoffrey Keating <geoffk@apple.com>
6477 * dwarf2out.c (have_switched_text_section): Delete.
6478 (have_multiple_function_sections): New.
6479 (have_location_lists): Make 'bool'.
6480 (add_AT_loc_list): Use 'true' not '1'.
6481 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
6482 (output_loc_list): Use have_multiple_function_sections.
6483 (output_ranges): Likewise.
6484 (dwarf2out_begin_function): Set have_multiple_function_sections if
6486 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
6487 Check function_section rather than DECL_SECTION_NAME.
6488 (dwarf2out_finish): Use have_multiple_function_sections.
6489 Don't clear have_location_lists.
6491 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
6492 Jan Hubicka <jh@suse.cz>
6494 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
6495 case of conditional jump jumping to the next instruction.
6496 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
6497 cases of conditional jump jumping to the next instruction.
6499 2006-01-02 Jan Hubicka <jh@suse.cz>
6501 * i386.c (*_cost): Add COSTS_N_INSNS.
6502 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
6504 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
6507 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
6509 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6511 * config/arm/arm.c (all_fpus): Fix comment typo.
6512 * config/darwin.c: Likewise.
6513 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
6514 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
6515 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
6517 2006-01-01 David Edelsohn <edelsohn@gnu.org>
6519 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
6520 (rs6000_split_compare_and_swapqhi): New.
6521 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
6522 (sync_compare_and_swapqhi_internal): New.
6523 * config/rs6000/rs6000-protos.h: Declare.