1 2008-03-21 Martin Jambor <mjambor@suse.cz>
3 * tree-data-ref.c (dump_data_dependence_relation): Avoid data
4 reference dumps if ddr is NULL or dependence is unknown.
6 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
8 * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
9 unsigned extension into account.
10 (ATOMIC_COMPARE_AND_SWAP): Likewise.
11 (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
12 Do computations on a scratch register.
14 2008-03-21 Richard Guenther <rguenther@suse.de>
16 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
17 Use is_gimple_min_invariant instead of TREE_INVARIANT.
18 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
19 * tree-ssa-dom.c (record_equality): Likewise.
20 * tree-inline.c (copy_body_r): Likewise.
21 * tree-ssa-pre.c (make_values_for_stmt): Remove test for
24 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
26 * config/sh/sh.c (split_branches): Pass zero to redirect_jump
27 as 'delete_unused' argument.
29 2008-03-20 Richard Guenther <rguenther@suse.de>
31 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
32 special casing of constant qualifiers.
33 * tree-ssa.c (useless_type_conversion_p_1): Instead do not
34 care about them in general.
35 * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
36 regardless of their type.
37 (fold_stmt_r): Forcefully fold *& if we end up with that.
39 2008-03-20 Paul Brook <paul@codesourcery.com>
41 * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
42 * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
44 * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
46 (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
47 * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
49 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
51 * common.opt (Wmudflap): New option.
52 * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
53 (mx_register_decls): Likewise.
54 (mudflap_finish_file): Likewise.
55 * doc/invoke.texi: Document -Wno-mudflap.
57 2008-03-20 Kai Tietz <kai.tietz@onevision.com>
59 * c-format.c (replace_format_name_to_system_name): New.
61 (convert_format_name_to_system_name): New.
62 (decode_format_attr): Add use of convert_format_name_to_system_name.
63 (format_types_orig): Add gnu_ prefix to names.
64 (check_format_info_main): Special treating of \0 escaped names for
65 supporting multi-character format specifiers as I32, I64.
66 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
67 (gnu_target_overrides_format_attributes): New.
68 * c-format.h: Add structure target_ovr_attr to hold
69 system specific formatter names.
70 * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
71 msformat-c.o file to c_target_objs and cxx_target_objs.
72 * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
73 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
74 (TARGET_N_FORMAT_TYPES): New.
75 * config/i386/msformat-c.c: New.
76 * config/i386/t-cygming: Add build rule for msformat-c.o.
77 * doc/extend.texi: Add new format names gnu_* and ms_* and
79 * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
81 2008-03-20 Ira Rosen <irar@il.ibm.com>
83 * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
84 optimizations turned on under -O3.
85 (ftree-vectorize): Add that the flag is turned on with -O3.
87 2008-03-20 Ben Elliston <bje@au.ibm.com>
89 * regmove.c (try_auto_increment): Fix spelling error in comment.
90 * final.c (final_scan_insn): Likewise.
92 2008-03-20 Uros Bizjak <ubizjak@gmail.com>
95 * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
96 allocator preferences for "y" and "r" class registers.
97 ("*mov<mode>_internal"): Ditto.
98 ("*movv2sf_internal_rex64"): Ditto.
99 ("*movv2sf_internal"): Ditto.
101 2008-03-19 Michael Matz <matz@suse.de>
104 * calls.c (expand_call): Check overlap of arguments with call
105 address for sibcalls.
107 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
110 * stor-layout.c (update_alignment_for_field): Set minimum alignment
111 of the underlying type of a MS bitfield layout to the natural
112 alignment of the type.
114 2008-03-19 Jan Hubicka <jh@suse.cz>
117 * toplev.c (decode_d_option): Handle all CPP flags.
118 * tree-vrp.c: Update tree_pass descriptors.
119 * regrename.c: Update tree_pass descriptors.
120 * fwprop.c: Update tree_pass descriptors.
121 * doc/invoke.texi: Remove documentation of dropped -d? flags.
122 * tree-into-ssa.c: Update tree_pass descriptors.
123 * tree-dump.c: Update tree_pass descriptors.
124 * tree-complex.c: Update tree_pass descriptors.
125 * tree-dump.h: Update tree_pass descriptors.
126 * see.c: Update tree_pass descriptors.
127 * cgraphbuild.c: Update tree_pass descriptors.
128 * tracer.c: Update tree_pass descriptors.
129 * tree-loop-distribution.c: Update tree_pass descriptors.
130 * cgraph.c: Update tree_pass descriptors.
131 * postreload-gcse.c: Update tree_pass descriptors.
132 * postreload.c: Update tree_pass descriptors.
133 * tree-ssa-loop-ch.c: Update tree_pass descriptors.
134 * tree-tailcall.c: Update tree_pass descriptors.
135 * tree-pass.h (tree_opt_pass): Rename to ...
136 (opt_pass) ... this one; add "type" field and remove letter field.
137 (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
138 (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
139 all_lowering_passes): Update declaration.
140 * ipa-cp.c: Update tree_pass descriptors.
141 * final.c: Update tree_pass descriptors.
142 * omp-low.c: Update tree_pass descriptors.
143 * tree-ssa-dse.c: Update tree_pass descriptors.
144 * ipa-reference.c: Update tree_pass descriptors.
145 * tree-ssa-uncprop.c: Update tree_pass descriptors.
146 * auto-inc-dec.c: Update tree_pass descriptors.
147 * reorg.c: Update tree_pass descriptors.
148 * cgraphunit.c: Update tree_pass descriptors.
149 * tree-ssa-copyrename.c: Update tree_pass descriptors.
150 * tree-ssa-ccp.c: Update tree_pass descriptors.
151 * df-core.c: Update tree_pass descriptors.
152 * mode-switching.c: Update tree_pass descriptors.
153 * tree-nomudflap.c: Update tree_pass descriptors.
154 * modulo-sched.c: Update tree_pass descriptors.
155 * ipa-pure-const.c: Update tree_pass descriptors.
156 * cse.c: Update tree_pass descriptors.
157 * web.c: Update tree_pass descriptors.
158 * tree-stdarg.c: Update tree_pass descriptors.
159 * tree-ssa-math-opts.c: Update tree_pass descriptors.
160 * tree-ssa-dom.c: Update tree_pass descriptors.
161 * tree-nrv.c: Update tree_pass descriptors.
162 * tree-ssa-alias.c: Update tree_pass descriptors.
163 * loop-init.c: Update tree_pass descriptors.
164 * gimple-low.c: Update tree_pass descriptors.
165 * ipa-inline.c: Update tree_pass descriptors.
166 * tree-ssa-sink.c: Update tree_pass descriptors.
167 * global.c: Update tree_pass descriptors.
168 * ifcvt.c: Update tree_pass descriptors.
169 * jump.c: Update tree_pass descriptors.
170 * predict.c: Update tree_pass descriptors.
171 * tree-ssa-loop.c: Update tree_pass descriptors.
172 * recog.c: Update tree_pass descriptors.
173 * dse.c: Update tree_pass descriptors.
174 * tree-ssa-ifcombine.c: Update tree_pass descriptors.
175 * tree-eh.c: Update tree_pass descriptors.
176 * regmove.c: Update tree_pass descriptors.
178 * function.c: Update tree_pass descriptors.
179 * tree-vectorizer.c: Update tree_pass descriptors.
180 * gcse.c: Update tree_pass descriptors.
181 * ipa-type-escape.c: Update tree_pass descriptors.
182 * tree-if-conv.c: Update tree_pass descriptors.
183 * init-regs.c: Update tree_pass descriptors.
184 * ipa.c: Update tree_pass descriptors.
185 * tree-ssa-phiopt.c: Update tree_pass descriptors.
186 * rtl-factoring.c: Update tree_pass descriptors.
187 * lower-subreg.c: Update tree_pass descriptors.
188 * bt-load.c: Update tree_pass descriptors.
189 * tree-dfa.c: Update tree_pass descriptors.
190 * except.c: Update tree_pass descriptors.
191 * emit-rtl.c: Update tree_pass descriptors.
192 * cfgexpand.c: Update tree_pass descriptors.
193 * tree-cfgcleanup.c: Update tree_pass descriptors.
194 * cfgcleanup.c: Update tree_pass descriptors.
195 * tree-ssa-pre.c: Update tree_pass descriptors.
196 * tree-sra.c: Update tree_pass descriptors.
197 * tree-mudflap.c: Update tree_pass descriptors.
198 * tree-ssa-copy.c: Update tree_pass descriptors.
199 * cfglayout.c: Update tree_pass descriptors.
200 * tree-ssa-forwprop.c: Update tree_pass descriptors.
201 * tree-ssa-dce.c: Update tree_pass descriptors.
202 * tree-ssa.c: Update tree_pass descriptors.
203 * regclass.c: Update tree_pass descriptors.
204 * integrate.c: Update tree_pass descriptors.
205 * tree-optimize.c: Update tree_pass descriptors.
206 * tree-ssa-phiprop.c: Update tree_pass descriptors.
207 * tree-object-size.c: Update tree_pass descriptors.
208 * combine.c: Update tree_pass descriptors.
209 * tree-outof-ssa.c: Update tree_pass descriptors.
210 * bb-reorder.c: Update tree_pass descriptors.
211 * stack-ptr-mod.c: Update tree_pass descriptors.
212 * var-tracking.c: Update tree_pass descriptors.
213 * tree-profile.c: Update tree_pass descriptors.
214 * tree-vect-generic.c: Update tree_pass descriptors.
215 * reg-stack.c: Update tree_pass descriptors.
216 * sched-rgn.c: Update tree_pass descriptors.
217 * tree-ssa-structalias.c: Update tree_pass descriptors.
218 * tree-cfg.c: Update tree_pass descriptors.
219 * passes.c (current_pass): Update declaration.
220 (finish_optimization_passes): Update.
221 (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
222 (register_one_dump_file, register_dump_files_1, next_pass_1):
224 (init_optimization_passes): Update handling of new types.
225 (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
226 * ipa-struct-reorg.c: Update tree_pass descriptors.
227 * tree-ssa-reassoc.c: Update tree_pass descriptors.
228 * combine-stack-adj.c: Update tree_pass descriptors.
229 * cfgrtl.c: Update tree_pass descriptors.
230 * dce.c: Update tree_pass descriptors.
231 * tree-ssanames.c: Update tree_pass descriptors.
233 2008-03-19 Richard Guenther <rguenther@suse.de>
236 * tree-ssa.c (always_executed): New global flag.
237 (warn_uninitialized_var): If !always_executed warn with "maybe"
239 (execute_early_warn_uninitialized): Compute post-dominators.
240 Initialize always_executed before processing each basic block.
242 2008-03-18 Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
245 * config/i386/i386.c (x86_this_parameter): Calculate correct location
246 of "this" pointer when "regparm = N" or "fastcall" is in effect.
248 2008-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
250 * doc/include/texinfo.tex: Update to version 2008-03-17.10.
252 2008-03-18 Paolo Bonzini <bonzini@gnu.org>
254 * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
256 (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
257 (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
258 is true. Add "&& !ignore" condition to reduce_bit_field. Modify
259 target after ignore has been set, and move there also the commputation
260 of subtarget and original_target.
261 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
262 (LANG_HOOKS_INITIALIZER): Remove it.
263 * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
265 2008-03-18 Richard Guenther <rguenther@suse.de>
267 * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
268 found an expression with constants, note that in the VN for the lhs.
269 * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
270 fold them to constants if possible. Run cleanup_cfg if done so.
271 (execute_pre): Return todo.
273 (execute_fre): Likewise.
274 * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
276 (get_prop_source_stmt): Look through pointer conversions.
278 2008-03-18 Jan Hubicka <jh@suse.cz>
280 * tree-pretty-print.c: Include predict.h.
281 (dump_generic_node): Dump predictor.
282 * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
283 * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
284 * gimple-low.c (lower_stmt): Likewise.
285 * expr.c (expand_expr_real): Likewise.
286 * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
288 (build_predict_expr, build_predict_expr): New.
289 * predict.h (predictor_name, build_predict_expr): Update.
290 * c-typeck.c (c_finish_bc_stmt): Add prediction.
291 * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
292 * predict.def (PRED_CONTINUE): Update hitrate.
293 * tree.def (PREDICT_EXPR): Define.
294 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
295 do not handle BIND_EXPR.
296 * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
297 * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
298 * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
301 2008-03-18 Michael Matz <matz@suse.de>
303 * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
305 2008-03-18 Richard Guenther <rguenther@suse.de>
307 * tree-gimple.h (is_gimple_invariant_address): Declare.
308 (is_gimple_constant): Likewise.
309 * tree-gimple.c (is_gimple_constant): New function.
310 (is_gimple_invariant_address): Likewise.
311 (is_gimple_min_invariant): Implement in terms of is_gimple_constant
312 and is_gimple_invariant_address.
313 * tree-ssa-loop-niter.c (expand_simple_operations): Revert
315 * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
318 2008-03-18 Jakub Jelinek <jakub@redhat.com>
321 * gimplify.c (gimplify_expr): Gimplify second operand of
324 2008-03-17 Richard Guenther <rguenther@suse.de>
326 PR tree-optimization/19637
327 * fold-const.c (fold_unary): Remove restrictions of removing
328 intermediate pointer-conversions (P2)(P1)P0.
329 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
330 conversion to void pointer.
331 (get_maxval_strlen): Handle addresses of the form &(*p)[0].
333 2008-03-16 James E. Wilson <wilson@tuliptree.org>
336 * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
337 emulated thread local variables.
339 2008-03-16 Richard Guenther <rguenther@suse.de>
342 * tree-ssa-loop-niter.c (expand_simple_operations): Do not
343 expand TREE_INVARIANT operations that are not gimple invariant.
345 2008-03-16 Hans-Peter Nilsson <hp@axis.com>
347 * doc/extend.texi (Alignment): Say that the ABI controls
348 the __alignof__ for non-strict-alignment targets rather
349 than being a recommendation.
351 2008-03-15 Paul Brook <paul@codesourcery.com>
353 * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
355 (arm_output_fn_unwind): Mark functions that can not be unwound.
357 2008-03-15 Paul Brook <paul@codesourcery.com>
359 * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
360 extension instructions.
362 2008-03-15 Richard Guenther <rguenther@suse.de>
364 * tree-ssa-ccp.c (ccp_fold): Also read from constant values
365 and fold constant aggregate refs.
366 (fold_const_aggregate_ref): Handle string constants
367 and constructors in ARRAY_REFs. Handle INDIRECT_REF.
368 (evaluate_stmt): Simplify now that ccp_fold folds constant
371 2008-03-15 Paul Brook <paul@codesourcery.com>
373 * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
374 (extzv): Use gen_extzv_t2.
375 (insv_t2, insv_zero, extv, extzv_t2): New patterns.
377 2008-03-15 Richard Guenther <rguenther@suse.de>
379 * tree-ssa-ccp.c (get_symbol_constant_value): Export.
380 (fold_const_aggregate_ref): Likewise.
381 (get_value): Return NULL if we don't have any values.
382 (ccp_finalize): Set const_val to NULL after freeing it.
383 * tree-flow.h (get_symbol_constant_value): Declare.
384 (fold_const_aggregate_ref): Likewise.
385 * tree-ssa-sccvn.c (try_to_simplify): Use them.
387 2008-03-15 Richard Guenther <rguenther@suse.de>
390 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
391 to not produce negative array indices if not allowed. Add
392 parameter to indicate that.
393 (maybe_fold_offset_to_component_ref): Allow negative array
394 indices only for the first member of a structure.
395 (maybe_fold_offset_to_reference): Allow negative array indices.
396 (maybe_fold_stmt_addition): Likewise.
398 2008-03-15 Bjoern Haase <bjoern.m.haase@web.de>
399 Anatoly Sokolov <aesok@post.ru>
401 * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
402 (avr_arch): Add ARCH_AVR6.
403 (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
404 (initial_elimination_offset): Initialize and use 'avr_pc_size'
405 instead of fixed value 2.
406 (print_operand_address): Use gs() asm specifier instead of pm().
407 (avr_assemble_integer): (Ditto.).
408 (avr_output_addr_vec_elt): (Ditto.).
409 (print_operand): Handle "!" code.
410 * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
411 __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
412 (AVR_HAVE_EIJMP_EICALL): Define.
413 (AVR_3_BYTE_PC): Redefine.
414 (AVR_2_BYTE_PC): (Ditto.).
415 (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
416 (LINK_SPEC): Add atmega2560 and atmega2561.
417 (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
419 * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall
420 for 3 byte PC devices.
421 (call_value_insn): (Ditto.).
422 (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
423 (indirect_jump): Use only for for 2 byte PC devices.
424 (*tablejump): (Ditto.).
425 (*indirect_jump_avr6): Add insn.
426 (*tablejump_rjmp): Don't use for 3 byte PC devices.
427 * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp
428 instead of ijmp for 3 byte PC devices.
429 (__tablejump2__): (Ditto.).
430 * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
431 (MULITLIB_DIRNAMES): (Ditto.).
432 (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
434 2008-03-15 Uros Bizjak <ubizjak@gmail.com>
436 * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
437 "sse2_umulsidi3". Use V1DI mode for operand 0.
438 ("mmx_psadbw"): Use V1DI mode for operand 0.
439 * config/i386/i386-modes.def (V1SI): New vector mode.
440 * config/i386/i386.c (struct builtin_description)
441 [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
442 (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
443 (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
444 (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
445 v1di_ftype_v8qi_v8qi type.
446 [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
448 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
449 __builtin_ia32_pmuludq]: Fix the mode of return value.
451 2008-03-15 Richard Guenther <rguenther@suse.de>
454 * tree-ssa-pre.c (bitmap_find_leader): Handle expression
457 2008-03-14 Bob Wilson <bob.wilson@acm.org>
459 * doc/invoke.texi (Option Summary, Xtensa Options): Document
460 -mserialize-volatile and -mno-serialize-volatile Xtensa options.
461 * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
462 unless TARGET_SERIALIZE_VOLATILE is enabled.
463 * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
464 * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
465 * config/xtensa/xtensa.opt (mserialize_volatile): New option.
467 2008-03-14 Richard Guenther <rguenther@suse.de>
469 PR tree-optimization/34172
470 * tree-flow.h (refs_may_alias_p): Declare.
471 (get_single_def_stmt): Likewise.
472 (get_single_def_stmt_from_phi): Likewise.
473 (get_single_def_stmt_with_phi): Likewise.
474 * tree-dfa.c (refs_may_alias_p): New function.
475 (get_single_def_stmt): Likewise.
476 (get_single_def_stmt_from_phi): Likewise.
477 (get_single_def_stmt_with_phi): Likewise.
478 * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
479 (vn_reference_lookup_1): New helper function.
480 (vn_reference_lookup): Walk the virtual use-def chain to
481 continue searching for a match if the def does not alias the
482 reference we are looking for.
484 2008-03-14 David Edelsohn <edelsohn@gnu.org>
486 * doc/install.texi (Binaries): Remove UCLA archive. Add HVCC
487 archive and Perzl. Update The Written Word listing.
489 2008-03-14 Richard Guenther <rguenther@suse.de>
491 PR tree-optimization/34043
492 PR tree-optimization/33989
493 * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
495 (bitmap_find_leader): Use extra argument to verify dominance
496 relationship inside a basic-block.
497 (can_PRE_operation): Add VIEW_CONVERT_EXPR.
498 (find_leader_in_sets): Adjust.
499 (create_component_ref_by_pieces): Take extra argument for
500 dominance check, handle lookup failures.
501 (find_or_generate_expression): Likewise.
502 (create_expression_by_pieces): Likewise.
503 (insert_into_preds_of_block): Adjust.
504 (create_value_expr_from): If asked for, verify all operands
505 are in the blocks AVAIL_OUT set.
506 (make_values_for_stmt): Check for SSA_NAMEs that are life
507 over an abnormal edge.
508 (compute_avail): Remove such check.
509 (do_SCCVN_insertion): New function.
510 (eliminate): If we do not find a leader suitable for replacement
511 insert a replacement expression from SCCVN if available.
512 * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
513 (struct vn_ssa_aux): Add needs_insertion flag.
514 * tree-ssa-sccvn.c (may_insert): New global flag.
515 (copy_reference_ops_from_ref): Value-number union member access
516 based on its size, not type and member if insertion is allowed.
517 (visit_reference_op_load): For a weak match from union type
518 punning lookup a view-converted value and insert a SSA_NAME
519 for that value if that is not found.
520 (visit_use): Make dumps shorter. Do not disallow value numbering
521 SSA_NAMEs that are life over an abnormal edge to constants.
522 (free_scc_vn): Release inserted SSA_NAMEs.
523 (run_scc_vn): New flag to specify whether insertion is allowed.
524 Process SSA_NAMEs in forward order.
525 * tree-ssa-loop-im.c (for_each_index): Handle invariant
526 ADDR_EXPRs inside VIEW_CONVERT_EXPR.
527 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
528 pointer type to/from integral types that do not change the
529 precision to regular conversions.
531 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
533 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
534 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
535 __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
536 __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
537 input arguments and the mode of return value. Built-in functions
538 that operate on whole 64-bit MMX register now use V1DI mode.
540 2008-03-13 Alon Dayan <alond@il.ibm.com>
541 Olga Golovanevsky <olga@il.ibm.com>
543 PR tree-optimization/35041
544 * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
545 to locate the right position in a statement.
547 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
551 * config/i386/xmmintrin.h: Change all static inline functions to
552 extern inline and add __gnu_inline__ attribute.
553 * config/i386/bmintrin.h: Ditto.
554 * config/i386/smmintrin.h: Ditto.
555 * config/i386/tmmintrin.h: Ditto.
556 * config/i386/mmintrin-common.h: Ditto.
557 * config/i386/ammintrin.h: Ditto.
558 * config/i386/emmintrin.h: Ditto.
559 * config/i386/pmmintrin.h: Ditto.
560 * config/i386/mmintrin.h: Ditto.
561 * config/i386/mm3dnow.h: Ditto.
563 2008-03-13 Jakub Jelinek <jakub@redhat.com>
566 * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
567 (lower_omp_2): New function.
568 (lower_omp_1, lower_omp): Rewritten.
570 2008-03-13 Danny Smith <dannysmith@users.sourceforge.net>
573 * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
574 with the phrase "Microsoft Windows compilers".
575 (Push/Pop Macro Pragmas): New subsection. Document
576 #pragma push_macro and pragma pop_macro.
578 2008-03-12 Paul Brook <paul@codesourcery.com>
580 * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
582 2008-03-12 Paul Brook <paul@codesourcery.com>
584 * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
585 (thumb2_alusi3_short): Exclude PLUS and MINUS.
586 (thumb2_addsi_shortim): Rename ...
587 (thumb2_addsi_short): ... to this. Allow register operands.
588 (thumb2_subsi_short): New pattern.
589 (thumb2_one_cmplsi2_short,
590 thumb2_negsi2_short): New patterns and peepholes.
592 2008-03-12 Paul Brook <paul@codesourcery.com>
594 * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
596 2008-03-12 Uros Bizjak <ubizjak@gmail.com>
598 * config/i386/i386.md (int_cond): New code iterator.
600 ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
601 sge, sgeu, sle and sleu expanders usign int_cond code iterator.
602 ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
603 sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
604 ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
605 bge, bgeu, ble and bleu expanders usign int_cond code iterator.
606 ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
607 bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
609 2008-03-12 Paul Brook <paul@codesourcery.com>
611 * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
612 instead of {arm,thumb}_compute_save_reg_mask.
613 (output_return_instruction): Ditto.
614 (thumb_unexpanded_epilogue): Ditto.
615 (thumb1_expand_prologue): Ditto.
616 (thumb1_output_function_prologue): Ditto.
617 (arm_set_return_address): Ditto.
618 (thumb_set_return_address): Ditto.
619 (arm_get_frame_offsets): Set offsets->saved_regs_mask. Push extra
620 regs to achieve stack alignment.
621 (thumb1_compute_save_reg_mask): Fix compiler warning.
622 (arm_output_epilogue): Use offsets->saved_regs_mask.
623 Adjust stack pointer by poping call clobered registers.
624 (arm_expand_prologue): Use offsets->saved_regs_mask.
625 Adjust stack pointer by pushing extra registers.
626 * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
628 2008-03-12 Paolo Bonzini <bonzini@gnu.org>
631 * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
632 conversion to the operands of a multiplication.
634 2008-03-12 Richard Guenther <rguenther@suse.de>
636 * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
637 (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
638 * timevar.def (TV_TREE_PHIPROP): Add.
639 * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
640 pass description. Use TV_TREE_PHIPROP.
641 * tree-ssa-forwprop.c: Remove phiprop code.
643 2008-03-12 Jakub Jelinek <jakub@redhat.com>
646 * omp-low.c (maybe_lookup_decl): Constify first argument.
647 (use_pointer_for_field): Change last argument from bool to
648 omp_context *. Disallow shared copy-in/out in nested
649 parallel if decl is shared in outer parallel too.
650 (build_outer_var_ref, scan_sharing_clauses,
651 lower_rec_input_clauses, lower_copyprivate_clauses,
652 lower_send_clauses, lower_send_shared_vars): Adjust callers.
654 2008-03-12 Victor Kaplansky <victork@il.ibm.com>
655 Ira Rosen <irar@il.ibm.com>
657 * tree-vectorizer.c (free_stmt_vec_info): New function.
658 (destroy_loop_vec_info): Move code to free_stmt_vec_info().
659 Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
660 * tree-vectorizer.h (free_stmt_vec_info): Declare.
661 * tree-vect-transform.c (vectorizable_conversion): Free
662 vec_oprnds0 if it was allocated.
663 (vect_permute_store_chain): Remove unused VECs.
664 (vectorizable_store): Free VECs that are allocated in the..
666 (vect_transform_strided_load, vectorizable_load): Likewise.
667 (vect_remove_stores): Simplify the code.
668 (vect_transform_loop): Move code to vect_remove_stores().
669 Call vect_remove_stores() and free_stmt_vec_info().
671 2008-03-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
673 * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
674 TARGET_HPUX. Revise comment.
675 (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
676 * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
677 Use sr4 variant of `be' instruction when not generating PIC code.
678 (attr_length_call): Adjust for above change.
680 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
682 * ipa-reference.c (static_execute): Remove module_statics_const and
683 associated setting code.
685 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
688 * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
689 predicate for operand 1.
690 (paritysi2_cmp): Use register_operand predicate for operand 2.
691 Use earlyclobber modifier for operand 1. Remove support for
693 (paritydi2_cmp): Use register_operand predicate for operand 3.
694 Use earlyclobber modifier for operand 1. Remove support for
697 2008-03-11 Paul Brook <paul@codesourcery.com>
698 Vladimir Prus <vladimir@codesourcery.com>
700 * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
701 (arm_compute_save_reg0_reg12_mask): Always
702 check if register 11 must be saved. Always safe hard frame pointer
703 when frame_pointer_needeed.
704 (arm_compute_save_reg_mask): Save IP and PC
705 only with apcs frames.
706 (arm_output_epilogue): Adjust Thumb2 codepath to
707 be also invoked and work for ARM non-apcs frames.
708 (arm_expand_prologue): Don't bother saving IP
709 for non-apcs frame, since it's not clobbered by
710 prologue code. Implement non-apcs frame
713 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
715 PR rtl-optimization/35281
716 * expr.c (convert_move): Use a new pseudo for the intermediate
717 from_mode->word_mode result.
719 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
721 * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
722 * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
723 * toplev.c (compile_file): Don't call it.
725 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
728 * expr.c (store_expr): Call emit_block_move if the mode
729 of "temp" RTX is BLKmode.
731 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
732 Richard Guenther <rguenther@suse.de>
734 PR tree-optimization/31358
735 * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
736 the step with a NULL_TREE.
737 * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
738 to sizetype if type is a pointer type.
739 (add_candidate_1): Don't convert the base and step to
740 the generic type if the orginal type is a pointer type.
741 (add_iv_value_candidates): Use sizetype for the step
742 if type is a pointer type.
743 (cand_value_at): Likewise.
744 * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
746 * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
747 Don't convert the tem affine to the type.
748 (add_elt_to_tree): Use sizetype for the step if a pointer.
749 Use POINTER_PLUS_EXPR for pointers.
750 (aff_combination_to_tree): Use sizetype for the step if a
753 2008-03-10 Vladimir Makarov <vmakarov@redhat.com>
755 * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
756 Remove commutativity hint.
758 2008-03-10 Jakub Jelinek <jakub@redhat.com>
762 * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
763 errorneous type. Check that v is a VAR_DECL.
766 * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
768 2008-03-10 H.J. Lu <hongjiu.lu@intel.com>
770 PR tree-optimization/35494
771 * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
772 may be overriden at link and run time.
774 2008-03-10 Richard Guenther <rguenther@suse.de>
776 PR tree-optimization/34677
777 * tree-ssa-pre.c (modify_expr_node_pool): Remove.
778 (poolify_tree): Likewise.
779 (modify_expr_template): Likewise.
780 (poolify_modify_stmt): Likewise.
781 (insert_fake_stores): Handle all component-ref style stores
782 in addition to INDIRECT_REF. Also handle complex types.
783 Do not poolify the inserted load.
784 (realify_fake_stores): Do not rebuild the tree but only
785 make it a SSA_NAME copy.
786 (init_pre): Remove initialzation of modify_expr_template.
787 Do not allocate modify_expr_node_pool.
788 (fini_pre): Do not free modify_expr_node_pool.
790 2008-03-10 Paul Brook <paul@codesourcery.com>
792 * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
795 2008-03-10 Paul Brook <paul@codesourcery.com>
796 Mark Shinwell <shinwell@codesourcery.com>
798 * config/arm/cortex-r4.md: New.
799 * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
801 * config/arm/arm.md: Include cortex-r4.md.
802 (insn): Add smmls, sdiv and udiv values.
803 (generic_sched): Don't use generic scheduling for Cortex-R4.
804 (arm_issue_rate): New function.
805 (TARGET_SCHED_ISSUE_RATE): Define.
807 2008-03-10 Sebastian Pop <sebastian.pop@amd.com>
809 * doc/invoke.texi (-ftree-loop-distribution): Add an example.
811 2008-03-10 Richard Guenther <rguenther@suse.de>
813 * tree-ssa-pre.c (get_sccvn_value): Simplify.
814 (compute_avail): Do not add stmt uses to AVAIL_OUT.
816 2008-03-10 Paolo Bonzini <bonzini@gnu.org>
818 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
821 2008-03-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
823 * c.opt (Wsynth): Deprecate.
824 * doc/invoke.texi (Option Summary, Warning Options): Document
825 -Wno-format-contains-nul.
827 2008-03-09 Uros Bizjak <ubizjak@gmail.com>
830 * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
831 ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
833 2008-03-09 Ira Rosen <irar@il.ibm.com>
835 * config/rs6000/rs6000.c (builtin_description): Rename vector
836 left shift operations.
837 * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
838 (altivec_vsl<VI_char>): Rename to ...
839 (ashl<mode>3): ... new name.
840 (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
842 (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
844 2008-03-08 Richard Guenther <rguenther@suse.de>
846 * coverage.h (tree_coverage_counter_addr): Declare.
847 * coverage.c (tree_coverage_counter_addr): New function.
848 * tree-profile.c (tree_gen_edge_profiler): Unshare counter
850 (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
851 (tree_gen_one_value_profiler): Likewise.
852 (tree_gen_ic_profiler): Likewise.
853 (tree_gen_average_profiler): Likewise.
854 (tree_gen_ior_profiler): Likewise.
856 2008-03-08 Richard Guenther <rguenther@suse.de>
858 * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
859 (vn_binary_op_insert): Likewise.
860 (vn_unary_op_lookup): Likewise.
861 (vn_unary_op_insert): Likewise.
862 (vn_nary_op_lookup): Declare.
863 (vn_nary_op_insert): Likewise.
864 * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
865 and binary hashes, use a single obstack for unary_op_pool
867 (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
868 a single struct vn_nary_op_s. Store tree code length and
869 a variable number of operands.
870 (struct vn_reference_op_struct): Remove unused op2.
871 (vn_reference_op_eq): Do not compare op2.
872 (vn_reference_op_compute_hash): Do not compute hash of op2.
873 (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
874 (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
875 with vn_nary_op_compute_hash.
876 (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
877 (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
879 (vn_unary_op_insert, vn_binary_op_insert): Replace with
881 (visit_unary_op): Call nary functions.
882 (visit_binary_op): Likewise.
883 (process_scc): Adjust for struct vn_tables_s changes.
884 (allocate_vn_table): Likewise.
885 (free_vn_table): Likewise.
886 * tree-vn.c (vn_add): Call nary functions.
887 (vn_lookup): Likewise.
889 2008-03-08 Jakub Jelinek <jakub@redhat.com>
892 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
893 wdst back after sync_compare_and_swapqhi_internal.
895 2008-03-08 Uros Bizjak <ubizjak@gmail.com>
898 * config/i386/i386-modes.def (V1DI): New vector mode.
899 * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
900 * config/i386/mmx.md (MMXMODEI8): New mode iterator.
902 (MMXMODE): Add V1DI mode.
903 (mmxvecsize): Change DI mode to V1DI mode.
904 ("mov<mode>): Use MMXMODEI8 mode iterator.
905 ("*mov<mode>_internal_rex64"): Ditto.
906 ("*mov<mode>_internal"): Ditto.
907 ("mmx_add<mode>3"): Ditto. Handle V1DImode for TARGET_SSE2.
908 ("mmx_sub<mode>3"): Ditto.
909 ("mmx_adddi3"): Remove insn pattern.
910 ("mmx_subdi3"): Ditto.
911 ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
912 ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
913 ("mmx_ashl<mode>3"): Ditto.
914 ("mmx_lshrdi3"): Remove insn pattern.
915 ("mmx_ashldi3"): Ditto.
916 * config/i386/i386.c (classify_argument): Handle V1DImode.
917 (function_arg_advance_32): Ditto.
918 (function_arg_32): Ditto.
919 (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
920 mmx_addv1di3 insn pattern.
921 [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
922 [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
923 IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
924 IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
925 Remove definitions of built-in functions.
926 (V1DI_type_node): New node.
927 (v1di_ftype_v1di_int): Ditto.
928 (v1di_ftype_v1di_v1di): Ditto.
929 (v2si_ftype_v2si_si): Ditto.
930 (v4hi_ftype_v4hi_di): Remove node.
931 (v2si_ftype_v2si_di): Ditto.
932 (ix86_init_mmx_sse_builtins): Handle V1DImode.
933 (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
934 Redefine builtins using def_builtin_const with *_ftype_*_int node.
935 (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
936 Add new builtins using def_builtin_const.
937 (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
938 IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
939 IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
940 * config/i386/mmintrin.h (__v1di): New typedef.
941 (_mm_add_si64): Cast arguments to __v1di type.
942 (_mm_sub_si64): Ditto.
943 (_mm_sll_pi16): Cast __count to __v4hi type.
944 (_mm_sll_pi32): Cast __count to __v2si type.
945 (_mm_sll_si64): Cast arguments to __v1di type.
946 (_mm_srl_pi16): Cast __count to __v4hi type.
947 (_mm_srl_pi32): Cast __count to __v2si type.
948 (_mm_srl_si64): Cast arguments to __v1di type.
949 (_mm_sra_pi16): Cast __count to __v4hi type.
950 (_mm_sra_pi32): Cast __count to __v2si type.
951 (_mm_slli_pi16): Use __builtin_ia32_psllwi.
952 (_mm_slli_pi32): Use __builtin_ia32_pslldi.
953 (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
954 (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
955 (_mm_srli_pi32): Use __builtin_ia32_psrldi.
956 (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
957 (_mm_srai_pi16): Use __builtin_ia32_psrawi.
958 (_mm_srai_pi32): Use __builtin_ia32_psradi.
959 * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
960 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
961 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
962 __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
964 2008-03-07 Joseph Myers <joseph@codesourcery.com>
966 * doc/include/texinfo.tex: Update to version 2008-03-07.10.
968 2008-03-07 Peter Bergner <bergner@vnet.ibm.com>
971 * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
972 reg+const addressing for Altivec modes. Don't generate reg+reg
973 addressing for TFmode or TDmode quantities.
975 2008-03-07 Paolo Bonzini <bonzini@gnu.org>
977 * c-common.c (vector_types_convertible_p): Call langhook
978 instead of comptypes.
980 2008-03-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
983 * tree-ssa-ccp.c (get_symbol_constant_value): Handle
984 integral and scalar float variables which have a
987 2008-03-06 Nathan Froyd <froydnj@codesourcery.com>
989 * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
990 dwarf_register_span hook when emitting unwind information for
991 register-to-memory saves.
992 * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
993 (rs6000_frame_related): Remove call to spe_synthesize_frame.
995 2008-03-06 Jakub Jelinek <jakub@redhat.com>
997 * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
998 for the same VAR_DECL.
1000 2008-03-06 Tom Tromey <tromey@redhat.com>
1003 * doc/standards.texi (Standards): Don't mention treelang.
1004 * doc/invoke.texi (Overall Options): Don't mention treelang.
1005 * doc/install.texi (Prerequisites): Don't mention bison or
1007 (Configuration): Don't mention treelang.
1008 (Building): Likewise.
1009 * doc/frontends.texi (G++ and GCC): Don't mention treelang.
1011 2008-03-06 Paolo Bonzini <bonzini@gnu.org>
1013 * simplify-rtx.c (simplify_subreg): Remove useless shifts from
1014 word-extractions out of a multi-word object.
1016 2008-03-06 Richard Guenther <rguenther@suse.de>
1018 * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
1019 * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
1020 result type and precision.
1021 * expr.c (get_inner_reference): Set unsignedp based on the result
1022 type of BIT_FIELD_REF.
1023 * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
1024 * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
1025 (try_instantiate_multiple_fields): Likewise. Use the correct type
1027 (sra_build_assignment): Likewise.
1028 (sra_build_elt_assignment): Likewise.
1029 (sra_explode_bitfield_assignment): Likewise.
1030 * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
1031 * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
1032 set BIT_FIELD_REF_UNSIGNED.
1033 (vectorizable_load): Likewise.
1035 2008-03-06 Andreas Krebbel <krebbel1@de.ibm.com>
1037 * cse.c (cse_extended_basic_block): Invalidate artificial defs
1040 2008-03-06 Richard Guenther <rguenther@suse.de>
1042 * alias.c (struct alias_set_entry): Move has_zero_child field
1043 to pack with alias_set.
1045 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
1047 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1050 2008-03-05 Ian Lance Taylor <iant@google.com>
1052 * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
1054 2008-03-05 Kenneth Zadeck <zadeck@naturalbridge.com>
1056 * fwprop.c (update_df): Support width and offset parameters of
1058 * ra-conflict.c (mark_reg_store, clear_reg_in_live,
1059 global_conflicts): Change DF_REF_EXTRACT to either
1060 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
1061 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1062 * df-scan.c (df_ref_record, df_defs_record,
1063 df_ref_create_structure, df_def_record_1, df_uses_record,
1064 df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
1065 df_bb_refs_collect, df_entry_block_defs_collect,
1066 df_exit_block_uses_collect): Support new width and offset fields.
1067 (ref_extract_pool): New storage pool.
1068 (df_free_ref): New function.
1069 (df_reg_chain_unlink, df_free_collection_rec,
1070 df_sort_and_compress_refs): Call df_free_ref.
1071 (df_ref_equal_p, df_ref_compare): Compare offset and width fields
1073 (df_ref_create_structure): Allocate df_ref_extract if offset and
1074 width fields are used.
1075 (df_def_record_1): Get offset and width from ZERO_EXTRACT.
1076 (df_uses_record): Get offset and width from ZERO_EXTRACT
1078 * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
1079 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
1080 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1081 * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
1082 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
1083 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1084 (df_ref_extract): New structure.
1085 (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
1086 (df_ref_create): Add width and offset parameters.
1088 2008-03-05 Richard Guenther <rguenther@suse.de>
1090 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1091 Use ranges_overlap_p.
1092 (offset_overlaps_with_access): Rename
1093 to ranges_overlap_p and move ...
1094 * tree-flow-inline.h (ranges_overlap_p): ... here.
1096 * tree.h (get_inner_reference, handled_component_p): Update
1099 * tree.h (record_component_aliases, get_alias_set,
1100 alias_sets_conflict_p, alias_sets_must_conflict_p,
1101 objects_must_conflict_p): Move declarations ...
1102 * alias.h (record_component_aliases, get_alias_set,
1103 alias_sets_conflict_p, alias_sets_must_conflict_p,
1104 objects_must_conflict_p): ... here.
1105 Include coretypes.h.
1106 * Makefile.in (ALIAS_H): Add coretypes.h dependency.
1108 2008-03-05 Aldy Hernandez <aldyh@redhat.com>
1110 * cfg.c: Include tree-flow.h.
1111 (remove_edge_raw): Call redirect_edge_var_map_clear.
1112 (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
1113 * tree-flow-inline.h (redirect_edge_var_map_def): New.
1114 (redirect_edge_var_map_result): New.
1115 * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
1116 PENDING_STMT use with redirect_edge_var_map_*.
1117 * tree-ssa.c (edge_var_maps): New definition.
1118 (redirect_edge_var_map_add): New.
1119 (redirect_edge_var_map_clear): New.
1120 (redirect_edge_var_map_dup): New.
1121 (redirect_edge_var_map_vector): New.
1122 (redirect_edge_var_map_destroy): New.
1123 (ssa_redirect_edge): Replace PENDING_STMT use with
1124 redirect_edge_var_map_*.
1125 (flush_pending_stmts): Same.
1126 (delete_tree_ssa): Destroy edge var map.
1127 * tree-flow.h (struct _edge_var_map): New.
1128 Define edge_var_map vector type.
1129 Declare redirect_edge_var_map_* prototypes.
1130 * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
1131 * tree-cfg.c (reinstall_phi_args): Replace
1132 PENDING_STMT use with redirect_edge_var_map_*.
1134 2008-03-05 Richard Guenther <rguenther@suse.de>
1136 PR tree-optimization/35472
1137 * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
1138 whose single use_stmt has a overlapping set of loaded and
1139 stored symbols as that use_stmt might be a noop assignment then.
1141 2008-03-05 Joel Sherrill <joel.sherrill@oarcorp.com>
1143 * gthr-rtems.h: Implement __gthread_mutex_destroy.
1145 2008-03-05 Richard Guenther <rguenther@suse.de>
1148 * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
1149 should be constants.
1150 * tree-cfg.c (verify_expr): Verify it.
1151 * fold-const.c (fold_truthop): Remove code generating
1152 BIT_FIELD_REFs of structure bases.
1153 (fold_binary): Likewise.
1154 (fold_ternary): Position and size of BIT_FIELD_REFs are
1155 always host integers.
1156 (make_bit_field_ref): Remove.
1157 (optimize_bit_field_compare): Remove.
1158 (all_ones_mask_p): Remove.
1160 2008-03-05 Gabor Loki <loki@gcc.gnu.org>
1163 * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
1164 (split_block_and_df_analyze): New. Split basic block and rebuild
1166 (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
1168 (split_pattern_seq): Likewise.
1169 (erase_matching_seqs): Likewise.
1170 (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
1172 2008-03-04 Geoff Keating <geoffk@apple.com>
1174 * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
1175 declaration and code.
1176 (tree_invalid_nonnegative_warnv_p): Likewise.
1178 2008-03-05 Serge Belyshev <belyshev@depni.sinp.msu.ru>
1180 * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
1181 examples. Truncate option-names then causing overfull hbox.
1183 2008-03-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1186 * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
1188 * configure: Rebuilt.
1190 2008-03-04 Rafael Espindola <espindola@google.com>
1192 * fold-const.c (tree_simple_nonnegative_warnv_p): New.
1193 (tree_unary_nonnegative_warnv_p): New.
1194 (tree_binary_nonnegative_warnv_p): New.
1195 (tree_single_nonnegative_warnv_p): New.
1196 (tree_invalid_nonnegative_warnv_p): New.
1197 (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
1199 2008-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1202 * opts.c (handle_option): Postpone 'unknown option' errors only for
1205 2008-03-04 H.J. Lu <hongjiu.lu@intel.com>
1208 * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
1211 2008-03-04 Rafael Espindola <espindola@google.com>
1213 * fold-const.c (tree_unary_nonzero_warnv_p): New.
1214 (tree_binary_nonzero_warnv_p): New.
1215 (tree_single_nonzero_warnv_p): New.
1216 (tree_expr_nonzero_warnv_p): Redefine using the new functions.
1218 2008-03-04 Uros Bizjak <ubizjak@gmail.com>
1221 * fold-const.c (fold_cond_expr_with_comparison): Prevent
1222 transformations for modes that have signed zeros.
1223 * ifcvt.c (noce_try_abs): Ditto.
1225 2008-03-04 Joseph Myers <joseph@codesourcery.com>
1227 * config/i386/i386.c (override_options): Force
1228 -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
1230 2008-03-04 Jan Hubicka <jh@suse.cz>
1233 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
1236 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
1238 * config/i386/i386.md (allocate_stack_worker_32): Use __chkstk
1239 label to probe the stack.
1241 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
1243 * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
1244 (__gthr_win32_mutex_destroy): Declare.
1245 [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
1246 __gthr_win32_mutex_destroy.
1247 * config/i386/gthr-win32.c (__gthr_win32_mutex_destroy): Define.
1249 2008-03-03 Jan Hubicka <jh@suse.cz>
1252 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
1253 aggressive on inlining cold calls.
1255 2008-03-03 Richard Guenther <rguenther@suse.de>
1257 * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
1258 struct copies into the expression table.
1259 (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
1260 (try_to_simplify): Likewise.
1261 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
1262 integral and pointer arguments which do not change the
1263 precision to NOP_EXPRs.
1264 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
1265 VIEW_CONVERT_EXPR case.
1267 2008-03-02 Sebastian Pop <sebastian.pop@amd.com>
1269 * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
1270 defined in a loop at depth 0 is invariant.
1271 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
1272 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
1273 be called at loop depth 0.
1275 2008-03-02 Jakub Jelinek <jakub@redhat.com>
1278 * gcc.c (process_command): Update copyright notice dates.
1279 * gcov.c (print_version): Likewise.
1280 * gcov-dump.c (print_version): Likewise.
1281 * mips-tfile.c (main): Likewise.
1282 * mips-tdump.c (main): Likewise.
1284 2008-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1287 * c-common.c (flag_permissive): Delete.
1288 (constant_expression_warnings): Check flags first.
1289 (constant_expression_error): New.
1290 * c-common.h (flag_permissive): Delete.
1291 (constant_expression_error): Declare.
1292 * flags.h (flag_permissive): Declare. Update description.
1293 * diagnostic.c (pedwarn): Update.
1295 * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
1296 (permissive_error_kind): New.
1297 * toplev.c (flag_permissive): Define. Update description.
1298 * toplev.h (permissive_error_kind): Declare.
1299 * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
1300 (pedwarn_c90): Use pedantic_warning_kind.
1301 * c-opts.c (c_common_post_options): flag_permissive does not affect
1302 flag_pedantic_errors.
1304 2008-03-02 Joseph Myers <joseph@codesourcery.com>
1306 * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
1307 __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
1308 __absvsi2, __absvDI2): Use unsigned arithmetic.
1310 2008-03-02 Andi Kleen <ak@suse.de>
1311 Richard Guenther <rguenther@suse.de>
1313 * struct-equiv.c: Remove file.
1314 * cfg_cleanup.c (condjump_equiv_p): Remove.
1315 * Makefile.in (OBJS-common): Remove struct-equiv.o.
1316 (struct-equiv.o): Remove rule.
1317 * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
1318 insns_match_p, struct_equiv_block_eq, struct_equiv_init,
1319 rtx_equiv_p, condjump_equiv_p): Remove prototypes.
1321 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
1323 * ifcvt.c (noce_process_if_block): Try to handle only the then
1324 block if the else block exists but isn't suitable.
1326 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
1329 * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
1330 * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
1331 regression from previous patch.
1333 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
1336 * gthr.h: Add __gthread_mutex_destroy as a function that must be
1338 * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
1339 * gthr-single.h (__gthread_mutex_destroy): Likewise.
1340 * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
1341 * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
1342 * gthr-nks.h (__gthread_mutex_destroy): Likewise.
1343 * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
1344 * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
1345 (__gthread_mutex_destroy_function): Rename to
1346 __gthread_mutex_destroy.
1347 * gthr-dce.h (__gthread_mutex_destroy): Call
1348 pthread_mutex_destroy.
1349 * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
1350 * gthr-posix.h (__gthread_mutex_destroy): Likewise.
1351 * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
1353 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
1355 * df-scan.c (df_ref_chain_change_bb): Simplify.
1356 (df_insn_change_bb): Add new_bb argument. Simplify. Call
1357 set_block_for_insn if there's any change.
1358 * df.h ((df_insn_change_bb): Fix prototype.
1359 * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
1360 df_insn_change_bb, don't call set_block_for_insn.
1361 * emit-rtl.c (reorder_insns): Likewise.
1362 * haifa-sched.c (move_insn): Likewise.
1364 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
1366 * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
1368 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
1370 * tree-flow-inline.h (next_readonly_imm_use): Return
1371 NULL_USE_OPERAND_P after the end.
1373 2008-03-01 Richard Guenther <rguenther@suse.de>
1375 PR tree-optimization/35411
1376 * tree-sra.c (sra_build_assignment): Split conversion to
1377 final type to a separate statement if we are not assigning
1380 2008-02-29 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1382 * fold-const.c (fold_convertible_p): Correct the logic to follow
1383 that in fold_convert().
1385 2008-02-29 Douglas Gregor <doug.gregor@gmail.com>
1388 * tree-inline.c (build_duplicate_type): When we make a
1389 duplicate type, make it unique in the canonical types system.
1391 2008-02-29 Tom Tromey <tromey@redhat.com>
1393 * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
1394 input_file_stack_history, input_file_stack_restored): Remove.
1395 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
1396 * input.h (struct file_stack): Remove.
1397 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
1398 (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
1400 * diagnostic.h (struct diagnostic_context) <last_module>: Change
1402 (diagnostic_last_module_changed): Add 'map' argument.
1403 (diagnostic_set_last_function): Likewise.
1404 * diagnostic.c (undiagnostic_report_current_module): Iterate using
1405 line map, not input_file_stack.
1406 * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
1408 2008-02-29 Paul Brook <paul@codesourcery.com>
1410 * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
1412 2008-02-29 Paul Brook <paul@codesourcery.com>
1414 * config/arm/ieee754-df.S (muldf3): Use RET macros.
1416 2008-02-29 Richard Guenther <rguenther@suse.de>
1418 * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
1420 * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
1421 value for comparing for a store match.
1422 (simplify_unary_expression): Do nothing for SSA_NAMEs.
1423 (try_to_simplify): Do not do a full-blown reference lookup.
1425 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
1427 * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
1428 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
1430 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
1432 2008-02-29 Sebastian Pop <sebastian.pop@amd.com>
1434 * tree-loop-linear.c (try_interchange_loops): Compare memory access
1435 strides against cache sizes.
1437 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
1439 * config/sh/sh.c (sh_secondary_reload): Handle loading a float
1442 2008-02-28 Richard Sandiford <rsandifo@nildram.co.uk>
1444 * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
1445 of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
1446 is smaller than the original promoted value.
1447 (simplify_subreg): If OP is a SUBREG, try to preserve its
1448 SUBREG_PROMOTED_VAR_P information.
1450 2008-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
1452 * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
1453 (VN_INFO_GET): Allocate new objects on the obstack.
1454 (init_scc_vn): Initialize the obstack. Use XDELETE instead of free
1455 for rpo_numbers_temp, for consistency.
1456 (free_scc_vn): Free the obstack.
1458 2008-02-28 Sebastian Pop <sebastian.pop@amd.com>
1460 * doc/invoke.texi: Document -ftree-loop-distribution.
1461 * tree-loop-distribution.c: New.
1462 * tree-pass.h (pass_loop_distribution): New.
1463 * graphds.h (struct graph): Add htab_t indices.
1464 * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
1465 * tree-vectorizer.c (rename_variables_in_loop): Extern.
1466 (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
1467 * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
1468 * tree-data-ref.c (debug_data_dependence_relations): New.
1469 (dump_data_dependence_relation): Also print data references.
1470 (free_data_ref): Extern.
1471 (same_access_functions): Moved...
1472 (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
1473 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
1474 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
1475 struct rdg_vertex_info, rdg_vertex_for_stmt): New.
1476 (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
1477 (stmts_from_loop): Skip LABEL_EXPR.
1478 (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
1480 (build_rdg): Initialize rdg->indices htab.
1481 (free_rdg, stores_from_loop, ref_base_address,
1482 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
1483 have_similar_memory_accesses_1, ref_base_address_1,
1484 remove_similar_memory_refs): New.
1485 * tree-data-ref.h: Depend on tree-chrec.h.
1486 (debug_data_dependence_relations, free_data_ref): Declared.
1487 (same_access_functions): ... here.
1488 (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
1490 (struct rdg_vertex): Add has_mem_write and has_mem_reads.
1491 (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
1492 RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
1493 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
1494 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
1495 rdg_vertex_for_stmt): Declared.
1496 (struct rdg_edge): Add level.
1498 (free_rdg, stores_from_loop, remove_similar_memory_refs,
1499 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
1501 (rdg_has_similar_memory_accesses): New.
1502 * tree-vect-analyze.c: Remove unused static decls.
1503 * lambda.h (dependence_level): New.
1504 * common.opt (ftree-loop-distribution): New.
1505 * tree-flow.h (mark_virtual_ops_in_bb,
1506 slpeel_tree_duplicate_loop_to_edge_cfg,
1507 rename_variables_in_loop): Declared.
1508 * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
1509 (OBJS-common): Add tree-loop-distribution.o.
1510 (tree-loop-distribution.o): New rule.
1511 * tree-cfg.c (mark_virtual_ops_in_bb): New.
1512 (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
1513 * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
1515 2008-02-28 Joseph Myers <joseph@codesourcery.com>
1518 * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
1519 other than structures and unions.
1521 2008-02-28 Richard Guenther <rguenther@suse.de>
1524 2008-02-26 Richard Guenther <rguenther@suse.de>
1526 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1527 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1528 (lookup_decl_from_uid): Declare.
1529 (remove_decl_from_map): Likewise.
1530 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1531 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1532 (decl_for_uid_map): New global hashtable mapping DECL_UID
1534 (init_ttree): Allocate it.
1535 (insert_decl_to_uid_decl_map): New helper function.
1536 (make_node_stat): Insert new decls into the map.
1537 (copy_node_stat): Likewise.
1538 (lookup_decl_from_uid): New function.
1539 (remove_decl_from_map): Likewise.
1540 (print_decl_for_uid_map_statistics): New helper.
1541 (dump_tree_statistics): Call it.
1543 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1544 (referenced_var_iterator): Adjust.
1545 (FOR_EACH_REFERENCED_VAR): Adjust.
1546 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1547 (num_referenced_vars): Adjust.
1548 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1549 (first_referenced_var): Remove.
1550 (end_referenced_vars_p): Likewise.
1551 (next_referenced_var): Likewise.
1552 (referenced_var_iterator_set): New helper function.
1553 * tree-dfa.c (referenced_var_lookup): Adjust.
1554 (referenced_var_check_and_insert): Likewise.
1555 (remove_referenced_var): Likewise.
1556 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1557 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1558 (verify_call_clobbering): Likewise.
1559 (verify_memory_partitions): Likewise.
1560 (init_tree_ssa): Allocate bitmap instead of hashtable for
1562 (delete_tree_ssa): Adjust.
1563 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1564 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1565 (compute_tag_properties): Likewise.
1566 (set_initial_properties): Likewise.
1567 (find_partition_for): Likewise.
1568 (update_reference_counts): Likewise.
1569 (dump_may_aliases_for): Likewise.
1570 * tree-ssa-operands.c (add_virtual_operand): Likewise.
1571 (add_call_clobber_ops): Likewise.
1572 (add_call_read_ops): Likewise.
1573 (get_asm_expr_operands): Likewise.
1574 * tree-into-ssa.c (dump_decl_set): Likewise.
1575 (update_ssa): Likewise.
1576 * tree-sra.c (scan_function): Likewise.
1577 (decide_instantiations): Likewise.
1578 (scalarize_parms): Likewise.
1579 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1580 (dsa_named_for): Likewise.
1581 * tree-ssa-structalias.c (update_alias_info): Likewise.
1582 (merge_smts_into): Likewise.
1584 2008-02-27 David Daney <ddaney@avtrex.com>
1587 * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
1588 * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
1589 * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
1590 * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
1591 * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
1593 2008-02-27 Uros Bizjak <ubizjak@gmail.com>
1596 * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
1597 (BUILT_IN_NEXTTOWARD): Remove.
1598 (BUILT_IN_NEXTTOWARDF): Ditto.
1599 * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
1600 alloca/strcpy/strcat. Remove commented-out code. Fix whitespace.
1602 2008-02-27 Tom Tromey <tromey@redhat.com>
1604 * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
1605 DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
1607 2008-02-27 Jan Beulich <jbeulich@novell.com>
1609 * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
1610 update the respective field on newdecl.
1612 2008-02-27 Revital Eres <eres@il.ibm.com>
1614 PR rtl-optimization/34999
1615 * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
1616 crossing edges that ends with a call insn.
1617 (fix_up_fall_thru_edges): Handle crossing edges that ends with a
1618 call insn and clear the EDGE_CROSSING flag of the crossing edge
1619 when fixing fallthru edges.
1621 2008-02-27 Richard Guenther <rguenther@suse.de>
1624 * fold-const.c (fold_unary): Return the correct argument,
1625 converted to the result type.
1627 2008-02-27 Richard Guenther <rguenther@suse.de>
1630 * expr.c (expand_expr_real_1): Assert on rotates that operate
1632 * fold-const.c (fold_binary): Use the types precision, not the
1633 bitsize of the mode if folding rotate expressions. Build rotates
1634 only for full modes.
1636 2008-02-27 Jakub Jelinek <jakub@redhat.com>
1638 * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
1640 * c-pragma.c (pragma_ns_name): New typedef.
1641 (registered_pp_pragmas): New variable.
1642 (c_pp_lookup_pragma): New function.
1643 (c_register_pragma_1): If flag_preprocess_only, do nothing
1644 for non-expanded pragmas, for expanded ones push pragma's
1645 namespace and name into registered_pp_pragmas vector.
1646 (c_invoke_pragma_handler): Register OpenMP pragmas even when
1647 flag_preprocess_only, don't register GCC pch_preprocess
1648 pragma if flag_preprocess_only.
1649 * c-opts.c (c_common_init): Call init_pragma even if
1650 flag_preprocess_only.
1651 * c-pragma.c (c_pp_lookup_pragma): New prototype.
1652 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
1653 cpp_register_pragma if flag_preprocess_only.
1655 2008-02-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1658 * c-parser.c (c_parser_translation_unit): Warn for empty
1659 translation unit, not empty source file.
1661 2008-02-26 Paul Brook <paul@codesourcery.com>
1663 * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
1664 operand for Thumb-2.
1665 * config/arm/arm.h (reg_class): Add CORE_REGS.
1666 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
1667 (BASE_REG_CLASS): Use CORE_REGS.
1668 (PREFERRED_RELOAD_CLASS): Add STACK_REG.
1669 (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
1670 (REGNO_OK_FOR_INDEX_P): Exclude SP.
1671 (ARM_REG_OK_FOR_INDEX_P): Always define. Use
1672 ARM_REGNO_OK_FOR_INDEX_P.
1673 (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
1674 * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
1675 arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
1676 (ldm/stm peepholes): Ditto.
1677 * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
1678 * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
1679 * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
1680 * config/arm/constraints.md: Enable "k" constraint on ARM.
1682 2008-02-27 Ben Elliston <bje@au.ibm.com>
1684 * config/rs6000/rs6000.c: Annotate cache line size field in all
1685 instances of struct processor_costs.
1687 2008-02-26 David Edelsohn <edelsohn@gnu.org>
1689 * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
1690 dse2, gcse, if_conversion, if_after_combine, if_after_reload,
1691 jump_bypass): New counters.
1692 * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
1693 * dce.c (gate_ud_dce): Same.
1694 (gate_fast_dce): Same.
1695 * dse.c (gate_dse1): New function.
1696 (gate_dse2): New function.
1697 (gate_dse): Merge results of new gate functions.
1698 * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
1699 (gate_handle_jump_bypass): Add dbg_cnt.
1700 (gate_handle_gcse): Add dbg_cnt.
1701 * ifcvt.c (gate_handle_if_conversion): Same.
1702 (gate_handle_if_after_combine): Same.
1703 (gate_handle_if_after_reload): Same.
1704 * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
1706 2008-02-26 Edmar Wienskoski <edmar@freescale.com>
1708 * config/rs6000/rs6000.c (processor_costs): Update e300 cache
1710 * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
1712 2008-02-26 Jason Merrill <jason@redhat.com>
1715 * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
1716 alone if it's the naming decl for the type's main variant.
1718 2008-02-26 Tom Tromey <tromey@redhat.com>
1720 * system.h (USE_MAPPED_LOCATION): Poison.
1721 * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
1722 * tree-cfg.c (make_cond_expr_edges): Remove old location code.
1723 (make_goto_expr_edges): Likewise.
1724 (remove_bb): Likewise.
1725 (execute_warn_function_return): Likewise.
1726 * basic-block.h (struct edge_def) <goto_locus>: Change type to
1728 * c-common.c (fname_decl): Remove old location code.
1729 * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
1731 * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
1733 (ASM_INPUT_SOURCE_LOCATION): Likewise.
1734 (gen_rtx_ASM_INPUT): Likewise.
1735 (gen_rtx_ASM_INPUT_loc): Likewise.
1736 (get_rtx_asm_OPERANDS): Remove.
1737 * cfglayout.c (insn_locators_alloc): Remove old location code.
1738 (set_curr_insn_source_location): Likewise.
1739 (curr_insn_locator): Likewise.
1740 * print-tree.c (print_node): Remove old location code.
1741 * tree-mudflap.c (mf_varname_tree): Remove old location code.
1742 (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
1743 * cfgexpand.c (expand_gimple_cond_expr): Don't use
1744 location_from_locus.
1745 (construct_exit_block): Remove old location code.
1746 * emit-rtl.c (force_next_line_note): Remove old location code.
1747 * profile.c (branch_prob): Remove old location code.
1748 * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
1749 LOC_LINE): Remove old-location variants.
1750 * langhooks.c (lhd_print_error_function): Remove old location
1752 * configure, config.in: Rebuilt.
1753 * configure.ac (--enable-mapped-location): Remove.
1754 * c-decl.c (c_init_decl_processing): Remove old location code.
1755 (finish_function): Likewise.
1756 * recog.c (decode_asm_operands): Remove old location code.
1757 * c-pch.c (c_common_read_pch): Remove old location code.
1758 * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
1760 * gimple-low.c (lower_function_body): Remove old location code.
1761 * toplev.c (unknown_location): Remove.
1762 (push_srcloc): Remove old-location variant.
1763 (process_options): Remove old location code.
1764 (lang_dependent_init): Likewise.
1765 * input.h (UNKNOWN_LOCATION): Move definition.
1766 (location_t): Undeprecate.
1767 (source_locus): Remove.
1768 (location_from_locus): Remove.
1769 (struct location_s): Remove.
1770 Remove all old-location code.
1771 (input_line, input_filename): Remove.
1772 * final.c (final_scan_insn): Remove old location code.
1773 * diagnostic.c (diagnostic_build_prefix): Remove
1774 USE_MAPPED_LOCATION test.
1775 * tree.h (gimple_stmt) <locus>: Now a location_t.
1776 (tree_exp) <locus>: Likewise.
1777 (DECL_IS_BUILTIN): Remove old-location variant.
1778 (annotate_with_file_line, annotate_with_locus): Likewise.
1779 (expr_locus, set_expr_locus): Update.
1780 * tree.c (build1_stat): Remove old location code.
1781 (last_annotated_node): Remove.
1782 (annotate_with_file_line): Remove old-location variant.
1783 (annotate_with_locus): Likewise.
1784 (expr_location): Remove old location code.
1785 (set_expr_location): Likewise.
1786 (expr_has_location): Likewise.
1787 (expr_locus): Likewise.
1788 (set_expr_locus): Likewise.
1789 (expr_filename): Don't use location_from_locus.
1790 (expr_lineno): Likewise.
1791 * rtl-error.c (location_for_asm): Remove old location code.
1792 * c-lex.c (cb_line_change): Remove old location code.
1793 (fe_file_change): Likewise.
1794 (cb_def_pragma): Likewise.
1795 (c_lex_with_flags): Likewise.
1796 * gengtype.c (do_typedef): Don't special-case location types.
1797 (define_location_structures): Remove.
1798 (main): Don't call define_location_structures.
1799 * tree-pretty-print.c (dump_implicit_edges): Remove old location
1802 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1805 * builtins.def (BUILT_IN_STDARG_START): Remove.
1806 * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
1807 * tree-stdarg.c (execute_optimize_stdarg): Likewise.
1808 * tree-inline.c (inline_forbidden_p_1): Likewise.
1810 2008-02-26 Richard Guenther <rguenther@suse.de>
1812 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1813 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1814 (lookup_decl_from_uid): Declare.
1815 (remove_decl_from_map): Likewise.
1816 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1817 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1818 (decl_for_uid_map): New global hashtable mapping DECL_UID
1820 (init_ttree): Allocate it.
1821 (insert_decl_to_uid_decl_map): New helper function.
1822 (make_node_stat): Insert new decls into the map.
1823 (copy_node_stat): Likewise.
1824 (lookup_decl_from_uid): New function.
1825 (remove_decl_from_map): Likewise.
1826 (print_decl_for_uid_map_statistics): New helper.
1827 (dump_tree_statistics): Call it.
1829 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1830 (referenced_var_iterator): Adjust.
1831 (FOR_EACH_REFERENCED_VAR): Adjust.
1832 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1833 (num_referenced_vars): Adjust.
1834 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1835 (first_referenced_var): Remove.
1836 (end_referenced_vars_p): Likewise.
1837 (next_referenced_var): Likewise.
1838 (referenced_var_iterator_set): New helper function.
1839 * tree-dfa.c (referenced_var_lookup): Adjust.
1840 (referenced_var_check_and_insert): Likewise.
1841 (remove_referenced_var): Likewise.
1842 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1843 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1844 (verify_call_clobbering): Likewise.
1845 (verify_memory_partitions): Likewise.
1846 (init_tree_ssa): Allocate bitmap instead of hashtable for
1848 (delete_tree_ssa): Adjust.
1849 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1850 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1851 (compute_tag_properties): Likewise.
1852 (set_initial_properties): Likewise.
1853 (find_partition_for): Likewise.
1854 (update_reference_counts): Likewise.
1855 (dump_may_aliases_for): Likewise.
1856 * tree-ssa-operands.c (add_virtual_operand): Likewise.
1857 (add_call_clobber_ops): Likewise.
1858 (add_call_read_ops): Likewise.
1859 (get_asm_expr_operands): Likewise.
1860 * tree-into-ssa.c (dump_decl_set): Likewise.
1861 (update_ssa): Likewise.
1862 * tree-sra.c (scan_function): Likewise.
1863 (decide_instantiations): Likewise.
1864 (scalarize_parms): Likewise.
1865 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1866 (dsa_named_for): Likewise.
1867 * tree-ssa-structalias.c (update_alias_info): Likewise.
1868 (merge_smts_into): Likewise.
1870 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1873 * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
1874 * c-opts.c (c_common_handle_option): Wall enables
1875 Wvolatile-register-var.
1876 * common.opt: Move Wvolatile-register-var to...
1879 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1881 * common.opt (Wlarger-than=): New.
1882 * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
1884 * opts.c (common_handle_option): Handle -Wlarger-than=.
1885 * optc-gen.awk: Likewise.
1886 * opth-gen.awk: Likewise.
1887 * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
1888 * tree-optimize.c (tree_rest_of_compilation): Likewise.
1890 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1892 * c-common.c (match_case_to_enum_1): Add appropriate
1893 OPT_W* parameter to warning.
1894 (c_do_switch_warnings): Likewise.
1895 * c-typeck.c (warning_init): Add one more parameter following
1897 (push_init_level): Update call to warning_init.
1898 (pop_init_level): Likewise.
1899 (add_pending_init): Likewise.
1900 (output_init_element: Likewise.
1902 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1905 * toplev.c (toplev_main): If there are warnings or error, print
1906 errors for ignored options.
1907 * opts.c (ignored_options): New static variable.
1908 (postpone_unknown_option_error): New.
1909 (print_ignored_options): New.
1910 (handle_option): Postpone errors for unknown -Wno-* options.
1911 * opts.h (print_ignored_options): Declare.
1913 2008-02-25 Richard Sandiford <rsandifo@nildram.co.uk>
1915 * config/mips/mips.md (loadgp_blockage, blockage): Change type
1918 2008-02-25 Richard Guenther <rguenther@suse.de>
1921 2008-02-25 Richard Guenther <rguenther@suse.de>
1923 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1924 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1925 (lookup_decl_from_uid): Declare.
1926 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1927 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1928 (decl_for_uid_map): New global hashtable mapping DECL_UID
1930 (init_ttree): Allocate it.
1931 (insert_decl_to_uid_decl_map): New helper function.
1932 (make_node_stat): Insert new decls into the map.
1933 (copy_node_stat): Likewise.
1934 (lookup_decl_from_uid): New function.
1935 (print_decl_for_uid_map_statistics): New helper.
1936 (dump_tree_statistics): Call it.
1938 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1939 (referenced_var_iterator): Adjust.
1940 (FOR_EACH_REFERENCED_VAR): Adjust.
1941 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1942 (num_referenced_vars): Adjust.
1943 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1944 (first_referenced_var): Remove.
1945 (end_referenced_vars_p): Likewise.
1946 (next_referenced_var): Likewise.
1947 (referenced_var_iterator_set): New helper function.
1948 * tree-dfa.c (referenced_var_lookup): Adjust.
1949 (referenced_var_check_and_insert): Likewise.
1950 (remove_referenced_var): Likewise.
1951 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1952 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1953 (verify_call_clobbering): Likewise.
1954 (verify_memory_partitions): Likewise.
1955 (init_tree_ssa): Allocate bitmap instead of hashtable for
1957 (delete_tree_ssa): Adjust.
1958 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1959 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1960 (compute_tag_properties): Likewise.
1961 (set_initial_properties): Likewise.
1962 (find_partition_for): Likewise.
1963 (update_reference_counts): Likewise.
1964 (dump_may_aliases_for): Likewise.
1965 * tree-ssa-operands.c (add_virtual_operand): Likewise.
1966 (add_call_clobber_ops): Likewise.
1967 (add_call_read_ops): Likewise.
1968 (get_asm_expr_operands): Likewise.
1969 * tree-into-ssa.c (dump_decl_set): Likewise.
1970 (update_ssa): Likewise.
1971 * tree-sra.c (scan_function): Likewise.
1972 (decide_instantiations): Likewise.
1973 (scalarize_parms): Likewise.
1974 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1975 (dsa_named_for): Likewise.
1976 * tree-ssa-structalias.c (update_alias_info): Likewise.
1977 (merge_smts_into): Likewise.
1979 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
1982 * doc/invoke.texi (-fcx-limited-range): Document new option.
1983 * toplev.c (process_options): Handle -fcx-fortran-rules.
1984 * common.opt: Add documentation for -fcx-fortran-rules.
1986 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
1989 * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
1990 actual behaviour and C99.
1992 2008-02-26 Ben Elliston <bje@au.ibm.com>
1994 * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
1995 (ASM_CPU_POWER6_SPEC): Likewise.
1996 (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
1997 Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
1998 (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
2000 2008-02-25 Richard Guenther <rguenther@suse.de>
2002 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2003 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2004 (lookup_decl_from_uid): Declare.
2005 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2006 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2007 (decl_for_uid_map): New global hashtable mapping DECL_UID
2009 (init_ttree): Allocate it.
2010 (insert_decl_to_uid_decl_map): New helper function.
2011 (make_node_stat): Insert new decls into the map.
2012 (copy_node_stat): Likewise.
2013 (lookup_decl_from_uid): New function.
2014 (print_decl_for_uid_map_statistics): New helper.
2015 (dump_tree_statistics): Call it.
2017 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2018 (referenced_var_iterator): Adjust.
2019 (FOR_EACH_REFERENCED_VAR): Adjust.
2020 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2021 (num_referenced_vars): Adjust.
2022 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2023 (first_referenced_var): Remove.
2024 (end_referenced_vars_p): Likewise.
2025 (next_referenced_var): Likewise.
2026 (referenced_var_iterator_set): New helper function.
2027 * tree-dfa.c (referenced_var_lookup): Adjust.
2028 (referenced_var_check_and_insert): Likewise.
2029 (remove_referenced_var): Likewise.
2030 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2031 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2032 (verify_call_clobbering): Likewise.
2033 (verify_memory_partitions): Likewise.
2034 (init_tree_ssa): Allocate bitmap instead of hashtable for
2036 (delete_tree_ssa): Adjust.
2037 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2038 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2039 (compute_tag_properties): Likewise.
2040 (set_initial_properties): Likewise.
2041 (find_partition_for): Likewise.
2042 (update_reference_counts): Likewise.
2043 (dump_may_aliases_for): Likewise.
2044 * tree-ssa-operands.c (add_virtual_operand): Likewise.
2045 (add_call_clobber_ops): Likewise.
2046 (add_call_read_ops): Likewise.
2047 (get_asm_expr_operands): Likewise.
2048 * tree-into-ssa.c (dump_decl_set): Likewise.
2049 (update_ssa): Likewise.
2050 * tree-sra.c (scan_function): Likewise.
2051 (decide_instantiations): Likewise.
2052 (scalarize_parms): Likewise.
2053 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2054 (dsa_named_for): Likewise.
2055 * tree-ssa-structalias.c (update_alias_info): Likewise.
2056 (merge_smts_into): Likewise.
2058 2008-02-25 Andreas Krebbel <krebbel1@de.ibm.com>
2061 * cse.c (cse_insn): Avoid creation of overlapping MEMs.
2062 * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
2063 * alias.h (nonoverlapping_memrefs_p): Likewise.
2065 2008-02-25 Jan Beulich <jbeulich@novell.com>
2067 * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
2068 * config/i386/netware-libgcc.exp: Add __bswap?i2,
2069 __emultls_get_address, __emultls_register_common,
2070 __floatundi?f, and _Unwind_GetIPInfo.
2071 * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
2072 Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
2073 (gen_regparm_prefix): Likewise.
2074 (i386_nlm_encode_section_info): Sync with
2075 config/i386/winnt.c:i386_pe_encode_section_info().
2076 (i386_nlm_maybe_mangle_decl_assembler_name): New.
2077 i386_nlm_mangle_decl_assembler_name): New.
2078 (netware_override_options): New.
2079 * config/i386/netware.h (netware_override_options): Declare.
2080 (OVERRIDE_OPTIONS): Re-define to netware_override_options.
2081 (i386_nlm_mangle_decl_assembler_name): Declare.
2082 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
2084 2008-02-25 Ben Elliston <bje@au.ibm.com>
2087 * c-decl.c (grokdeclarator): Remove unused local variables
2088 `typedef_type' and `type_as_written'.
2090 (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
2091 unused local variable `has_hot_blocks'.
2092 (fix_crossing_conditional_branches): Remove unused local variable
2095 2008-02-25 Uros Bizjak <ubizjak@gmail.com>
2098 * builtins.def (BUILT_IN_NAN): Define as c99 builtin
2099 using DEF_C99_BUILTIN.
2100 (BUILT_IN_NANF): Ditto.
2101 (BUILT_IN_NANL): Ditto.
2103 2008-02-25 Ayal Zaks <zaks@il.ibm.com>
2104 Revital Eres <eres@il.ibm.com>
2106 * modulo-sched.c (calculate_must_precede_follow): Address TODO
2107 regarding the order of two dependent insns in the same row.
2109 2008-02-25 Eric Botcazou <ebotcazou@adacore.com>
2111 * stor-layout.c (layout_decl): Do not bump the alignment of a
2112 bit-field to more than byte alignment if it is packed.
2114 2008-02-24 David Edelsohn <edelsohn@gnu.org>
2116 * config/rs6000/rs6000.c (processor_costs): Add cache costs for
2119 2008-02-24 Diego Novillo <dnovillo@google.com>
2121 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
2124 * tree-vrp.c (vrp_evaluate_conditional): With
2125 -Wtype-limits, emit a warning when comparing against a
2126 constant outside the natural range of OP0's type.
2127 * c.opt (Wtype-limits): Move ...
2128 * common.opt (Wtype-limits): ... here.
2130 2008-02-24 Edmar Wienskoski <edmar@freescale.com>
2132 * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
2133 * config/rs6000/e300c2c3.md: New file.
2134 * config/rs6000/rs6000.c (processor_costs): Add new costs for
2136 (rs6000_override_options): Add e300c2 and e300c3 cases to
2137 processor_target_table. Do not allow usage of Altivec or Spe
2138 with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
2139 (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
2140 * config/rs6000/rs6000.h (processor_type): Add
2141 PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
2142 (ASM_CPU_SPEC): Add e300c2 and e300c3.
2143 * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
2144 and ppce300c3. Include e300c2c3.md.
2146 2008-02-23 David Edelsohn <edelsohn@gnu.org>
2148 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
2149 instead of TARGET_STRICT_ALIGN.
2151 2008-02-23 Joseph Myers <joseph@codesourcery.com>
2153 * explow.c (memory_address): Assert that the generated address is
2156 2008-02-23 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2159 * config/darwin-protos.h: Add darwin_patch_builtins prototype.
2160 * config/darwin-ppc-ldouble-patch.def: New file.
2161 * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
2162 * config/rs6000/rs6000.c (rs6000_init_builtins): Call
2163 SUBTARGET_INIT_BUILTINS if defined.
2164 * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
2167 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
2170 * simplify-rtx.c (simplify_binary_operation_1): Add simplification
2171 of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
2173 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
2176 * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
2177 file" warning condtional on -Winvalid-PCH.
2179 2008-02-23 Daniel Jacobowitz <dan@codesourcery.com>
2181 * expmed.c (extract_bit_field): Always use adjust_address for MEM.
2183 2008-02-23 Uros Bizjak <ubizjak@gmail.com>
2187 * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
2188 prevent reload from using MMX registers.
2189 (*mov<mode>_internal): Ditto.
2190 (*movv2sf_internal_rex64): Ditto.
2191 (*movv2sf_internal): Ditto.
2193 2008-02-23 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2195 PR documentation/31569
2196 * doc/install.texi2html: Use makeinfo --no-number-sections.
2198 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
2200 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
2201 ensure that we can address an entire entity > 8 bytes. Don't
2202 generate reg+reg addressing for such data.
2204 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
2206 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
2207 strings when optimizing for size, unless the target cares about
2210 2008-02-22 Tom Tromey <tromey@redhat.com>
2212 * regclass.c (current_pass): Remove declaration.
2214 2008-02-22 Anatoly Sokolov <aesok@post.ru>
2216 * config/avr/libgcc.S (__RAMPZ__): Define.
2217 (__do_copy_data): Add for devices with 128KB code memory.
2219 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
2221 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
2223 * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
2225 2008-02-22 Hans-Peter Nilsson <hp@axis.com>
2227 * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
2230 2008-02-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2233 * c-typeck.c (build_binary_op): Warn about floating point
2234 comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
2236 2008-02-21 Janis Johnson <janis187@us.ibm.com>
2239 * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
2240 (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
2242 (rs6000_override_options): Set altivec_abi as default, not override,
2243 for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
2244 TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
2245 is used; use new member spe_abi.
2246 (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
2247 spe_abi and altivec_abi.
2249 2008-02-22 Tomas Bily <tbily@suse.cz>
2251 * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
2253 2008-02-21 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2256 * config.build (build_file_translate): Set to `CMD //c' only if
2258 * Makefile.in (build_file_translate): Improve comment.
2260 2008-02-21 Jan Hubicka <jh@suse.cz>
2262 * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
2263 PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
2264 PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
2266 2008-02-21 Michael Matz <matz@suse.de>
2269 * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
2271 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
2273 * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
2274 movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
2276 * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
2277 from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
2278 SSE_VEC_FLOAT_MODE_P as insn constraint.
2279 (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
2280 (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
2281 sse4a_movntdf using MODEF mode iterator.
2282 (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
2283 sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
2284 (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
2285 (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
2286 (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
2287 (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
2288 (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
2290 2008-02-21 Richard Guenther <rguenther@suse.de>
2292 * tree.def (PAREN_EXPR): New tree code.
2293 * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
2295 * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
2296 * expr.c (expand_expr_real_1): Likewise.
2297 * tree-inline.c (estimate_num_insns_1): Likewise.
2298 * tree-complex.c (expand_complex_move): Likewise.
2299 * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
2302 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
2305 * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
2307 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
2310 * config/sh/sh.md (jump_compact): Disable for crossing jumps.
2312 * config/sh/sh.c (find_barrier): Don't go past
2313 NOTE_INSN_SWITCH_TEXT_SECTIONS note.
2315 2008-02-20 DJ Delorie <dj@redhat.com>
2317 * config/h8300/h8300.md (insv): Force source operand to be a register.
2319 * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
2320 as a jump, not as a plain insn.
2322 2008-02-20 Seongbae Park <seongbae.park@gmail.com>
2324 * doc/invoke.texi (Warning Options): Add new option
2325 -Wframe-larger-than=.
2326 (-Wframe-larger-than): Document.
2328 * flags.h (warn_frame_larger_than, frame_larger_than_size):
2329 Add declarations for new option variables.
2331 * final.c (final_start_function): Check the frame size
2332 before emission and issue a Wframe-larger-than warning.
2334 * opts.c (warn_frame_larger_than, frame_larger_than_size):
2335 Add definitions for new option variables.
2336 (common_handle_option): Handle new option OPT_Wframe_larger_than_.
2338 * common.opt (Wframe-larger-than=): New option.
2340 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
2342 * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
2343 (<sse>_div<mode>3): Ditto.
2344 (<sse>_vmdiv<mode>3): Ditto.
2345 (<sse>_vmsqrt<mode>2): Ditto.
2346 (*smax<mode>3): Ditto.
2347 (sse5_frcz<mode>2): Ditto.
2348 (sse5_vmfrcz<mode>2): Ditto. Use TARGET_SSE5 instead of TARGET_ROUND
2351 2008-02-20 Richard Guenther <rguenther@suse.de>
2354 * builtins.c (validate_arg): If we want an INTEGER_TYPE,
2355 be happy with INTEGRAL_TYPE_P.
2357 2008-02-20 Richard Guenther <rguenther@suse.de>
2359 * fold-const.c (split_tree): Associate floatig-point expressions
2360 if flag_associative_math is set.
2362 2008-02-20 Richard Guenther <rguenther@suse.de>
2364 * tree.h (fold_real_zero_addition_p): Declare.
2365 * fold-const.c (fold_real_zero_addition_p): Export.
2366 * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
2367 floating-point operations with zero and one.
2369 2008-02-20 Paolo Bonzini <bonzini@gnu.org>
2371 * doc/install.texi: Correct references to CFLAGS, replacing them
2372 with BOOT_CFLAGS. Document flags used during bootstrap for
2375 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
2377 * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
2378 * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
2379 and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
2381 (smin<mode>3): Ditto from similar patterns.
2382 (smax<mode>3): Ditto.
2383 (*ieee_smin<mode>3): Ditto.
2384 (*ieee_smax<mode>3): Ditto.
2385 * config/i386/sse.md (sse): New mode attribute.
2386 (mov<mode>): Macroize expander from movv4sf and movv2df using
2387 SSEMODEF2P mode iterator.
2388 (<sse>_movnt<mode>): Ditto from similar patterns. Use
2389 SSE_VEC_FLOAT_MODE_P as insn constraint.
2390 (storent<mode>): Ditto.
2391 (storent<mode>): Macroize expander from storentsf and storentdf using
2392 MODEF mode iterator.
2393 (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
2394 mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
2395 (abs<mode>2): Ditto from similar patterns.
2396 (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
2397 (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
2398 (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
2399 (<sse>_vmsqrt<mode>2): Ditto.
2400 (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
2401 (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
2402 (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
2403 (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
2404 (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
2405 sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
2406 mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
2408 (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
2409 iterator and SSE_FLOAT_MODE_P as insn constraint.
2410 (<sse>_ucomi): Ditto from similar patterns.
2411 (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
2412 sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
2413 SSE_VEC_FLOAT_MODE_P as insn constraint.
2414 (vcond<mode>): Ditto from similar patterns.
2415 (and<mode>3, *and<mode>3): Ditto.
2416 (<sse>_nand<mode>3): Ditto.
2417 (ior<mode>3, *ior<mode>3): Ditto.
2418 (xor<mode>3, *xor<mode>3): Ditto.
2419 (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
2420 iterator and SSE_FLOAT_MODE_P as insn constraint.
2421 (*nand<mode>3): Ditto from similar patterns.
2422 (*ior<mode>3): Ditto.
2423 (*xor<mode>3): Ditto.
2425 2008-02-20 Ira Rosen <irar@il.ibm.com>
2427 * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
2428 vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
2429 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
2431 2008-02-19 Jan Hubicka <jh@suse.cz>
2433 * predict.c (tree_bb_level_predictions): Remove variable next
2434 mistakely introduced by previous commit.
2436 2008-02-19 Jan Hubicka <jh@suse.cz>
2438 * predict.c (predict_paths_leading_to): Rewrite.
2439 (predict_paths_for_bb): New.
2440 (tree_bb_level_predictions): Update call of predict_paths_leading_to.
2442 2008-02-19 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2445 * Makefile.in (build_file_translate): New.
2446 (gcc-vers.texi): Use it for translating $(abs_srcdir).
2447 * config.build (build_file_translate): Set to `CMD //c' on MinGW.
2448 * configure.ac (build_file_translate): Substitute it.
2449 * configure: Regenerate.
2451 2008-02-19 Jan Hubicka <jh@suse.cz>
2453 PR rtl-optimization/34408
2454 * see.c (see_def_extension_not_merged): Copy subreg so we don't have
2457 2008-02-19 Jan Hubicka <jh@suse.cz>
2460 * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
2463 2008-02-19 H.J. Lu <hongjiu.lu@intel.com>
2466 * config/i386/i386-modes.def: Revert the last DI alignment
2467 change until Ada people can look into it.
2469 2008-02-19 Nick Clifton <nickc@redhat.com>
2471 * opts.c (print_specific_help): Fix typo in --help text.
2473 2008-02-19 Jakub Jelinek <jakub@redhat.com>
2476 * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
2477 32-bit inline asm without asm alternatives for host GCC < 3.0.
2479 2008-02-19 Richard Guenther <rguenther@suse.de>
2481 PR tree-optimization/34989
2482 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
2483 Allow propagation to INDIRECT_REF if we can simplify only.
2485 2008-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2487 * c-common.c (warn_for_collisions_1): Use appropriate option when
2490 2008-02-19 Nick Clifton <nickc@redhat.com>
2493 * opts.c (undocumented_msg): Leave blank unless checking is enabled.
2494 (handle_options): Fix indentation.
2495 (print_filtered_help): If no language-specific options were
2496 displayed tell the user how to list all the options supported by
2497 the language's front-end.
2498 (print_specific_help): Fix indentation and remove duplicate line.
2499 (common_handle_option): Handle the -v option.
2500 For --help enable the display of undocumented options if the -v
2501 switch has been included on the command line.
2502 For --help= check for overlaps in the arguments between the option
2503 classes and the language names and issue a warning when they
2504 cannot be disambiguated.
2505 * c.opt (v): Pass on to the common option handler.
2507 2008-02-19 Revital Eres <eres@il.ibm.com>
2509 * modulo-sched.c (sms_schedule): Change dump message when
2510 create_ddg function fails.
2511 (try_scheduling_node_in_cycle): Rename row to cycle.
2512 (print_partial_schedule): Rename CYCLE to ROW.
2514 2008-02-19 Christian Bruel <christian.bruel@st.com>
2515 Zdenek Dvorak <ook@ucw.cz>
2517 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
2519 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
2522 * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
2523 (*x86_movdicc_0_m1_se): Ditto.
2525 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
2527 * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
2528 (CMPtype): Define as __gcc_CMPtype.
2529 * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
2530 (CMPtype): Define as __gcc_CMPtype.
2532 2008-02-19 Hans-Peter Nilsson <hp@axis.com>
2534 Support valgrind 3.3 for --enable-checking=valgrind.
2535 * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
2537 [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
2538 [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
2539 [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
2540 * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
2541 Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
2542 VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
2543 VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
2545 * ggc-zone.c: Similar.
2546 * ggc-page.c: Similar.
2548 2008-02-19 Paul Brook <paul@codesourcery.com>
2551 * config/arm/ieee754-df.S: Fix do_it typo.
2552 * config/arm/ieee754-sf.S: Fix do_it typo.
2554 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
2557 * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
2558 (OPTION_MASK_ISA_3DNOW_SET): Likewise.
2559 (OPTION_MASK_ISA_SSE_SET): Likewise.
2560 (OPTION_MASK_ISA_SSE2_SET): Likewise.
2561 (OPTION_MASK_ISA_SSE3_SET): Likewise.
2562 (OPTION_MASK_ISA_SSSE3_SET): Likewise.
2563 (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
2564 (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
2565 (OPTION_MASK_ISA_SSE4_SET): Likewise.
2566 (OPTION_MASK_ISA_SSE4A_SET): Likewise.
2567 (OPTION_MASK_ISA_SSE5_SET): Likewise.
2568 (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
2569 (OPTION_MASK_ISA_MMX_UNSET): Updated.
2570 (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
2571 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
2572 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
2573 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
2574 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
2575 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
2576 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
2577 (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
2578 (OPTION_MASK_ISA_SSE4): Removed.
2579 (ix86_handle_option): Turn on bits in ix86_isa_flags and
2580 ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
2581 (override_options): Don't turn on implied SSE/MMX bits in
2584 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
2586 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2589 2008-02-18 Joey Ye <joey.ye@intel.com>
2592 * tree-nested.c (insert_field_into_struct): Set type alignment
2593 to field alignment if the former is less than the latter.
2595 2008-02-18 Jakub Jelinek <jakub@redhat.com>
2597 * BASE-VER: Set to 4.4.0.
2599 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2601 * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
2602 * doc/cfg.texi: Likewise.
2603 * doc/extend.texi: Likewise.
2604 * doc/gty.texi: Likewise.
2605 * doc/invoke.texi: Likewise.
2606 * doc/loop.texi: Likewise.
2607 * doc/md.texi: Likewise.
2608 * doc/passes.texi: Likewise.
2609 * doc/rtl.texi: Likewise.
2610 * doc/sourcebuild.texi: Likewise.
2611 * doc/tm.texi: Likewise.
2612 * doc/tree-ssa.texi: Likewise.
2614 2008-02-17 Richard Guenther <rguenther@suse.de>
2617 * tree-complex.c (init_parameter_lattice_values): Handle parameters
2618 without default definition.
2620 2008-02-17 Richard Guenther <rguenther@suse.de>
2622 PR tree-optimization/35231
2623 * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
2626 2008-02-17 Uros Bizjak <ubizjak@gmail.com>
2630 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
2631 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
2632 libgcc_cmp_return mode.
2634 2008-02-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2637 * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
2639 2008-02-16 Ralf Corsepius <ralf.corsepius@rtems.org>
2641 * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
2644 2008-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2646 * doc/c-tree.texi: Use `@.' where appropriate.
2647 * doc/extend.texi: Likewise.
2648 * doc/install.texi: Likewise.
2649 * doc/invoke.texi: Likewise.
2650 * doc/loop.texi: Likewise.
2651 * doc/makefile.texi: Likewise.
2652 * doc/md.texi: Likewise.
2653 * doc/passes.texi: Likewise.
2654 * doc/standards.texi: Likewise.
2655 * doc/tm.texi: Likewise.
2657 2008-02-15 Jakub Jelinek <jakub@redhat.com>
2660 * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
2662 (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
2663 rather than in entry_bb.
2665 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
2667 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
2668 libgcc_cmp_return mode.
2670 2008-02-15 Jakub Jelinek <jakub@redhat.com>
2673 * tree-nested.c (convert_call_expr): Put FRAME.* vars into
2674 OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
2676 2008-02-15 Richard Guenther <rguenther@suse.de>
2677 Zdenek Dvorak <ook@ucw.cz>
2679 PR tree-optimization/35164
2680 * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
2681 * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
2682 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
2683 Only propagate addresses which do not have abnormal SSA_NAMEs
2686 2008-02-15 Joseph Myers <joseph@codesourcery.com>
2689 * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
2691 2008-02-15 Jan Hubicka <jh@suse.cz>
2694 * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
2696 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
2699 * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
2700 when calculating alignment_pad.
2702 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
2704 * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
2705 (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
2706 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
2707 and STACK_BOUNDARY define.
2709 2008-02-14 Danny Smith <dannysmith@users.sourceforge.net>
2711 PR preprocessor/35061
2712 * c-pragma.c (handle_pragma_pop_macro): Check that
2713 pushed_macro_table has been allocated.
2715 2008-02-14 Eric Botcazou <ebotcazou@adacore.com>
2718 * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
2719 (force_gimple_operand): Likewise.
2720 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
2721 for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
2722 Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
2723 (find_interesting_uses_address): Check addressability and alignment
2724 of the base expression only after substituting bases of IVs into it.
2726 2008-02-14 Michael Matz <matz@suse.de>
2729 * function.c (instantiate_virtual_regs_in_insn): Reload address
2730 before falling back to reloading the whole operand.
2732 2008-02-14 Andreas Krebbel <krebbel1@de.ibm.com>
2734 * config/s390/s390.c (s390_mainpool_start): Emit the pool
2735 before the first section switch note.
2737 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2739 * doc/bugreport.texi: Update copyright years.
2740 * doc/c-tree.texi: Likewise.
2741 * doc/cfg.texi: Likewise.
2742 * doc/cpp.texi: Likewise.
2743 * doc/cppinternals.texi: Likewise.
2744 * doc/fragments.texi: Likewise.
2745 * doc/frontends.texi: Likewise.
2746 * doc/gcc.texi: Likewise.
2747 * doc/gty.texi: Likewise.
2748 * doc/hostconfig.texi: Likewise.
2749 * doc/implement-c.texi: Likewise.
2750 * doc/libgcc.texi: Likewise.
2751 * doc/loop.texi: Likewise.
2752 * doc/makefile.texi: Likewise.
2753 * doc/options.texi: Likewise.
2754 * doc/passes.texi: Likewise.
2755 * doc/rtl.texi: Likewise.
2756 * doc/sourcebuild.texi: Likewise.
2757 * doc/standards.texi: Likewise.
2758 * doc/tree-ssa.texi: Likewise.
2759 * doc/trouble.texi: Likewise.
2761 * doc/extend.texi: Use @: or add comma where appropriate.
2762 * doc/invoke.texi: Likewise.
2763 * doc/tm.texi: Likewise.
2765 2008-02-14 Alan Modra <amodra@bigpond.net.au>
2768 * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
2771 2008-02-14 Jesper Nilsson <jesper.nilsson@axis.com>
2773 * doc/md.texi (clz, ctz): Add reference.
2774 * doc/rtl.texi (clz, ctz): Likewise.
2776 2008-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2779 * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
2782 2008-02-13 Andreas Krebbel <krebbel1@de.ibm.com>
2784 * config/s390/s390.c (struct constant_pool): New field
2785 emit_pool_after added.
2786 (s390_mainpool_start): Set the emit_pool_after flag according
2787 to the section switch notes.
2788 (s390_mainpool_finish): Consider emit_pool_after when emitting
2789 the literal pool at the end of the function.
2790 (s390_chunkify_start): Force literal pool splits at section
2793 2008-02-13 Michael Matz <matz@suse.de>
2796 * var-tracking.c (clobber_variable_part): Correctly traverse the
2799 2008-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2802 * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
2803 Add -fdump-ipa-inline.
2804 * tree-dump.c (dump_files): Remove tree-inlined dump.
2805 * tree-pass.h (tree_dump_index): Remove TDI_inlined.
2807 2008-02-12 Richard Guenther <rguenther@suse.de>
2809 PR tree-optimization/35171
2810 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
2813 2008-02-12 Richard Guenther <rguenther@suse.de>
2816 * fold-const.c (fold_widened_comparison): Use get_unwidened in
2817 value-preserving mode. Disallow final truncation.
2819 2008-02-12 Eric Botcazou <ebotcazou@adacore.com>
2822 * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
2823 code from here to...
2824 (force_gimple_operand): ...here.
2826 2008-02-12 Jakub Jelinek <jakub@redhat.com>
2829 * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
2830 non-compatible pointers.
2831 (generate_element_copy): If SRC and DST are RECORD_TYPEs with
2832 different FIELD_DECLs, try harder by comparing field offsets, sizes
2836 * function.c (match_asm_constraints_1): Don't replace the same input
2839 2008-02-12 Anatoly Sokolov <aesok@post.ru>
2841 * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
2842 * config/avr/avr.c (expand_prologue): Save RAMPZ register.
2843 (expand_epilogue): Restore RAMPZ register.
2844 * config/avr/avr.md (RAMPZ_ADDR): New constant.
2846 2008-02-11 Kai Tietz <kai.tietz@onevision.com>
2848 * config/i386/cygwin.asm: (__alloca): Correct calling
2849 convention and alignment.
2850 (__chkstk): Force 8 byte stack alignment.
2852 2008-02-11 Uros Bizjak <ubizjak@gmail.com>
2853 Richard Guenther <rguenther@suse.de>
2855 PR tree-optimization/33992
2856 * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
2857 the zero we compare against.
2859 2008-02-10 Danny Smith <dannysmith@users.sourceforge.net>
2862 * gthr-win32.h (__gthread_mutex_destroy_function): New function
2863 to CloseHandle after unlocking to prevent accumulation of handle
2866 2008-02-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2869 * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
2870 pic_label_operand source. Similarly, add a REG_LABEL_OPERAND note
2871 and update LABEL_NUSES during and after reload.
2873 2008-02-08 Steven Bosscher <stevenb.gcc@gmail.com>
2876 * combine.c (simplify_if_then_else): Make sure the comparison is
2877 against const0_rtx when simplifying to (abs x) or (neg (abs X)).
2879 2008-02-08 Richard Sandiford <rsandifo@nildram.co.uk>
2882 * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
2883 (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
2884 * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
2885 (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
2886 * tree.h (get_type_static_bounds): Likewise.
2888 2008-02-08 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2890 * doc/invoke.texi (Option Summary, C++ Dialect Options)
2891 (Objective-C and Objective-C++ Dialect Options, Warning Options):
2892 Make -Wfoo language annotations match what the compiler outputs.
2894 2008-02-08 Sa Liu <saliu@de.ibm.com>
2896 * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
2897 intrinsics spu_convts, spu_convtu, spu_convtf.
2898 * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
2900 2008-02-08 Hans-Peter Nilsson <hp@axis.com>
2902 * doc/extend.texi (Function Attributes) <noinline>: Mention
2903 asm ("") as method to keep calls.
2905 2008-02-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2908 * doc/options.texi (Options): Replace references to opts.sh with
2910 * opts-common.c: Likewise.
2911 * optc-gen.awk: Likewise.
2913 2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
2915 * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
2917 2008-02-07 Richard Henderson <rth@redhat.com>
2920 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
2921 EXPR_LIST for the REG_EQUAL instead of a comparison with a
2924 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
2926 PR tree-optimization/35085
2927 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
2928 for operand entry oe2 in addition to operand entry oe3 in order to
2929 expose more opportunities for vectorizer sum reduction.
2931 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2934 * Makefile.in (LIBS): Remove $(GMPLIBS).
2935 (cc1-dummy, cc1): Add $(GMPLIBS).
2937 2008-02-06 Jan Hubicka <jh@suse.cz>
2940 * i386.md (moddf_integer): Do not produce partial memory stalls for
2941 targets where it hurts.
2943 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
2946 * optabs.c (expand_float): Do not check for decimal modes when
2947 expanding unsigned integer through signed conversion.
2949 2008-02-06 Nick Clifton <nickc@redhat.com>
2951 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
2952 inside the clobber with a match_operand and duplicated operand
2953 number in the constraint.
2954 (ineqbranchsi): Delete redundant comment.
2956 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
2958 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
2959 builtin_define ("__USE_INIT_FINI__").
2960 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
2962 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
2964 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2966 PR documentation/30330
2967 * doc/invoke.texi (C++ Dialect Options)
2968 (Objective-C and Objective-C++ Dialect Options, Warning Options):
2969 For each warning option -Wfoo that allows -Wno-foo, ensure both
2970 -Wfoo and -Wno-foo are listed in the option index. Fix index
2971 entry of -Wswitch-default, index -Wnormalized= including the
2972 `=', and -Wlarger-than-@var{len} including @var{len}.
2974 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
2976 * config/i386/i386.md (floatunssisf2): Use
2977 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
2978 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
2979 Macroize expander using MODEF mode iterator.
2981 2008-02-05 Diego Novillo <dnovillo@google.com>
2983 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
2986 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
2988 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2991 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
2993 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
2996 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
2997 to indicate if a message should be generated.
2998 (init_cumulative_args): Updated.
2999 (function_value_32): Likewise.
3001 2008-02-05 Joseph Myers <joseph@codesourcery.com>
3003 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
3005 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
3008 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
3009 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
3011 2008-02-04 Diego Novillo <dnovillo@google.com>
3013 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
3016 * tree-vrp.c (vrp_evaluate_conditional): With
3017 -Wtype-limits, emit a warning when comparing against a
3018 constant outside the natural range of OP0's type.
3020 2008-02-04 Richard Guenther <rguenther@suse.de>
3023 * expr.c (count_type_elements): Give for unions instead of
3026 2008-02-04 Richard Guenther <rguenther@suse.de>
3029 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
3030 to TYPE_DOMAINs base type instead of using bitsizetype here.
3032 2008-02-03 Jason Merrill <jason@redhat.com>
3034 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
3036 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3039 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
3040 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
3041 (RS/6000 and PowerPC Options): Fix typos and markup.
3042 * doc/passes.texi (Tree-SSA passes): Likewise.
3044 2008-02-02 Michael Matz <matz@suse.de>
3047 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
3048 from record_last_reg_set_info.
3049 (record_last_reg_set_info): Take an RTX argument, iterate over all
3050 constituent hardregs.
3051 (record_last_set_info, record_opr_changes): Change calls to
3052 new signature or to record_last_reg_set_info_regno.
3054 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
3056 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
3058 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
3060 PR rtl-optimization/34773
3061 * reg-notes.def (EQUAL): Mention significance of combination of
3062 REG_EQUAL and REG_RETVAL.
3063 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
3064 insn that has a REG_RETVAL.
3066 2008-02-01 Roger Sayle <roger@eyesopen.com>
3069 * configure.ac (--enable-fixed-point): Disable unless explicitly
3071 * configure: Regenerate.
3073 2008-02-01 Richard Guenther <rguenther@suse.de>
3076 * invoke.texi (-finline-limit): Remove no longer true parts
3077 of the documentation. Note that there is no default value.
3079 2008-02-01 Andrew Pinski <pinskia@gmail.com>
3080 Mark Mitchell <mark@codesourcery.com>
3081 Ben Elliston <bje@au.ibm.com>
3084 * doc/extend.texi (Other Builtins): Document.
3086 2008-01-31 Tom Browder <tom.browder@gmail.com>
3088 * doc/c-tree.texi (Types): Fix grammar.
3089 (Expression trees): Ditto.
3090 * doc/passes.texi (Tree-SSA passes): Ditto.
3092 * doc/configterms.texi (Configure Terms): Fix typo.
3093 * doc/cpp.texi (Common Predefined Macros): Ditto.
3094 * doc/md.texi (Machine Constraints): Ditto.
3096 * doc/makefile.texi (Makefile): Add comma.
3098 2008-01-31 Tom Browder <tom.browder@gmail.com>
3099 Gerald Pfeifer <gerald@pfeifer.com>
3101 * doc/sourcebuild.texi (Front End): Remove references to CVS
3102 and CVSROOT/modules.
3103 (Texinfo Manuals): Replace reference to CVS by one to SVN.
3104 (Back End): Remove reference to CVS.
3106 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
3109 * config/mips/mips.c (gen_load_const_gp): New function, taking a
3111 (mips16_gp_pseudo_reg): ...here.
3112 * config/mips/mips.md (load_const_gp): Replace with...
3113 (load_const_gp_<mode>): ...this :P-based insn.
3115 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3117 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
3118 options. Minor fixes.
3119 (-std): Move reference to standards closer to where language
3120 standards are first mentioned.
3122 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
3124 PR rtl-optimization/34995
3125 * reload.c (alternative_allows_const_pool_ref): Take an rtx
3126 parameter and return a bool. If the rtx parameter is nonnull,
3127 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
3128 (find_reloads): Update call accordingly. Pass the new operand
3129 if it needed no address reloads, otherwise pass null.
3131 2008-01-30 Richard Henderson <rth@redhat.com>
3134 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
3135 for unbounded arrays.
3137 2008-01-30 Silvius Rus <rus@google.com>
3139 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
3141 2008-01-30 Jan Hubicka <jh@suse.cz>
3144 * i386.c (init_cumulative_args): Use real function declaration when
3147 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
3149 PR rtl-optimization/34998
3150 * global.c (build_insn_chain): Treat non-subreg_lowpart
3151 SUBREGs of pseudos as clobbering all the words covered by the
3152 SUBREG, not just all the bytes.
3153 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
3154 original df_ref rather than an extract parameter.
3155 (global_conflicts): Update call accordingly.
3157 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
3159 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
3160 the overflow check to make it easier to read.
3161 (__fixtfdi): Change the type of the ll member in union
3162 long_double to UDItype_x.
3164 2008-01-30 Jakub Jelinek <jakub@redhat.com>
3167 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
3168 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
3169 * tree-inline.c (fold_marked_statements): Call
3170 cgraph_update_edges_for_call_stmt if folding a call statement.
3171 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
3172 debug_generic_stmt calls, reset it back afterwards.
3175 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
3177 * c-typeck.c (build_external_ref): Don't pedwarn about
3178 static vars in current function's scope.
3180 2008-01-29 Joseph Myers <joseph@codesourcery.com>
3182 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
3184 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
3187 * ipa-struct-reorg.c: Fix spelling.
3188 * params.def: Ditto.
3190 2008-01-29 Richard Guenther <rguenther@suse.de>
3193 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
3195 * tree-inline.c (remap_type): Increment remapping_type_depth
3196 around remapping types.
3197 (copy_body_r): Only add referenced variables if they are referenced
3198 from code, not types.
3200 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
3211 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
3212 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
3214 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
3217 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
3218 pointer for tiny stack.
3220 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
3222 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
3224 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
3226 * config/vx-common.h: Fix typo in comment.
3228 2008-01-28 Ian Lance Taylor <iant@google.com>
3232 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
3233 coalesce pointers if they have different DECL_NO_TBAA_P values.
3234 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
3235 between variables with different DECL_NO_TBAA_P values.
3237 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
3240 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
3241 are not legitimate small data references on SPE targets.
3243 2008-01-28 David Daney <ddaney@avtrex.com>
3245 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
3247 2008-01-28 David Daney <ddaney@avtrex.com>
3249 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
3251 2008-01-27 Joseph Myers <joseph@codesourcery.com>
3253 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
3254 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
3255 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
3256 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
3257 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
3258 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
3259 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
3260 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
3262 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
3264 * basic-block.h (condjump_equiv_p): Fix comment.
3266 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
3268 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
3269 print_generic_stmt_indented): Fix comment.
3271 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
3273 * configure.ac (__stack_chk_fail): Add detecion for availability
3274 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
3275 * configure: Regenerate.
3277 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
3280 * final.c (output_addr_const): Handle TRUNCATE.
3282 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
3285 * tree-ssa-loop-ivopts.c (comp_cost): New type.
3286 (zero_cost, infinite_cost): New constants.
3287 (struct cost_pair): Change type of cost to comp_cost.
3288 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
3289 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
3291 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
3292 split_address_cost, ptr_difference_cost, difference_cost,
3293 get_computation_cost_at, get_computation_cost,
3294 determine_use_iv_cost_generic, determine_use_iv_cost_address,
3295 determine_use_iv_cost_condition, determine_use_iv_costs,
3296 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
3297 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
3298 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
3299 Change type of cost to comp_cost.
3300 (determine_iv_cost): Increase cost of non-original ivs, instead
3301 of decreasing the cost of original ones.
3302 (get_address_cost): Indicate the complexity of the addressing mode
3304 (try_add_cand_for): Prefer using ivs not specific to some object.
3305 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
3307 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
3308 Janis Johnson <janis187@us.ibm.com>
3311 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
3312 (TARGET_INSTANTIATE_DECLS): Likewise.
3313 * target.h (expand_to_rtl_hook): New target hook.
3314 (instantiate_decls): Likewise.
3315 * function.c (instantiate_decl): Make non-static. Rename to...
3316 (instantiate_decl_rtl): ... this.
3317 (instantiate_expr): Use instantiate_decl_rtl.
3318 (instantiate_decls_1): Likewise.
3319 (instantiate_decls): Likewise.
3320 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
3321 * function.h (instantiate_decl_rtl): Add prototype.
3322 * cfgexpand.c (target.h): New include.
3323 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
3324 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
3325 (TARGET_INSTANTIATE_DECLS): Likewise.
3326 (TARGET_INITIALIZER): New target hooks added.
3327 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
3329 * config/rs6000/rs6000.c (tree-flow.h): New include.
3330 (machine_function): Add sdmode_stack_slot field.
3331 (rs6000_alloc_sdmode_stack_slot): New function.
3332 (rs6000_instantiate_decls): Likewise.
3333 (rs6000_secondary_memory_needed_rtx): Likewise.
3334 (rs6000_check_sdmode): Likewise.
3335 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
3336 (TARGET_INSTANTIATE_DECLS): Likewise.
3337 (rs6000_hard_regno_mode_ok): Allow SDmode.
3338 (num_insns_constant): Likewise. Handle _Decimal32 constants.
3339 (rs6000_emit_move): Handle SDmode.
3340 (function_arg_advance): Likewise.
3341 (function_arg): Likewise.
3342 (rs6000_gimplify_va_arg): Likewise. Add special handling of
3343 SDmode var args for 32-bit compiles.
3344 (rs6000_secondary_reload_class): Handle SDmode.
3345 (rs6000_output_function_epilogue): Likewise.
3346 (rs6000_function_value): Simplify if statement.
3347 (rs6000_libcall_value): Likewise.
3348 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
3349 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
3350 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
3351 (movsd_hardfloat): New define_insn.
3352 (movsd_softfloat): Likewise.
3353 (movsd_store): Likewise.
3354 (movsd_load): Likewise.
3355 (extendsddd2): Likewise.
3356 (extendsdtd2): Likewise.
3357 (truncddsd2): Likewise.
3358 (movdd_hardfloat64): Fixup comment.
3359 (UNSPEC_MOVSD_LOAD): New constant.
3360 (UNSPEC_MOVSD_STORE): Likewise.
3362 2008-01-26 Jakub Jelinek <jakub@redhat.com>
3365 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
3367 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
3368 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
3369 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
3372 2008-01-26 David Edelsohn <edelsohn@gnu.org>
3375 * config.gcc: Separate AIX 5.3 from AIX 6.1.
3376 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3377 __LONGDOUBLE128 too.
3378 * config/rs6000/aix61.h: New file.
3380 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
3382 PR rtl-optimization/34959
3383 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
3384 popcount and parity rtxes the same mode as their operand.
3385 Truncate or extend the result to the return value's mode
3388 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
3391 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
3392 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
3393 to GOT_VERSION_REGNUM.
3394 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
3395 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
3396 * config/mips/mips.c (mips_emit_call_insn): New function.
3397 (mips_call_tls_get_addr): Call mips_expand_call directly.
3398 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
3400 (mips16_build_call_stub): Likewise. Return the call insn or null.
3401 (mips_expand_call): Update the call to mips16_build_call_stub
3402 accordingly and a remove redundant condition. Assert that MIPS16
3403 stubs do not use lazy binding. Use mips_emit_call_insn and return
3405 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
3407 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
3408 (mips_avoid_hazard): Remove hazard_set handling.
3409 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
3410 (UNSPEC_RESTORE_GP): ...this.
3411 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
3412 (FAKE_CALL_REGNO): Rename to...
3413 (GOT_VERSION_REGNUM): ...this.
3414 (type): Add "ghost" value. Add an associated insn reservation.
3415 (hazard_set): Remove.
3416 (exception_receiver): Rename to...
3417 (restore_gp): ...this and update the unspec identifier accordingly.
3418 (exception_receiver, nonlocal_got_receiver): New expanders.
3419 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
3420 FAKE_CALL_REGNO. Remove hazard_set attribute.
3421 (set_got_version, update_got_version): New patterns.
3423 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
3426 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
3428 2008-01-25 Joseph Myers <joseph@codesourcery.com>
3431 * doc/install.texi2html: Generate gcc-vers.texi.
3433 2008-01-25 DJ Delorie <dj@redhat.com>
3435 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3437 2008-01-25 Joseph Myers <joseph@codesourcery.com>
3439 * config/c4x: Remove directory.
3440 * config.gcc (crx-*, mt-*): Mark obsolete.
3441 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
3442 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
3443 sh-*-rtemscoff*): Remove cases.
3444 * defaults.h (C4X_FLOAT_FORMAT): Remove.
3445 * real.c (encode_c4x_single, decode_c4x_single,
3446 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
3447 c4x_extended_format): Remove.
3448 * real.h (c4x_single_format, c4x_extended_format): Remove.
3449 * doc/extend.texi (interrupt, naked): Remove mention of attributes
3451 (Pragmas): Remove comment about c4x pragmas.
3452 * doc/install.texi (c4x): Remove target-specific instructions.
3453 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
3454 * doc/md.texi (Machine Constraints): Remove C4x documentation.
3455 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
3456 refer to C4x source files as examples.
3457 (C4X_FLOAT_FORMAT): Remove documentation.
3459 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
3461 * config/bfin/bfin.c (override_options): Reorder tests so that
3462 flag_pic gets enabled for -msep-data.
3464 2008-01-25 Richard Guenther <rguenther@suse.de>
3467 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
3468 to its bitfield precision if required.
3470 2008-01-25 Jakub Jelinek <jakub@redhat.com>
3473 * tree-nested.c (walk_omp_for): New function.
3474 (convert_nonlocal_reference, convert_local_reference): Call
3475 walk_omp_for on OMP_FOR.
3476 (convert_call_expr): Call walk_body on OMP_FOR's
3477 OMP_FOR_PRE_INIT_BODY.
3479 2008-01-25 Richard Guenther <rguenther@suse.de>
3481 PR tree-optimization/34966
3482 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
3483 default defs and PHI_NODEs we have to insert after the
3486 2008-01-24 Nick Clifton <nickc@redhat.com>
3488 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
3489 Provide a default definition.
3490 (LIBGCC2_UNITS_PER_WORD): Likewise.
3492 * config/stormy16/stormy16.c: Include df.h for the prototype
3493 for df_regs_ever_live_p.
3494 (xstormy16_expand_builtin_va_start): Convert the stack offset
3495 into a component_ref and then use POINTER_PLUS_EXPR to add it
3496 to the incoming_virtual_args_rtx.
3497 (xstormy16_gimplify_va_arg_expr): Rename to
3498 xstormy16_gimplify_va_arg_expr.
3499 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
3500 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
3501 xstormy16_gimplify_va_arg_expr.
3502 Fix up some formatting issues.
3504 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
3505 Move to predicates.md.
3506 (xs_hi_general_operand): Likewise.
3507 (xs_hi_nonmemory_operand): Likewise.
3508 * config/stormy16/predicates.md:
3509 (xstormy16_carry_plus_operand): New predicate.
3510 (xs_hi_general_operand): New predicate.
3511 (xs_hi_nonmemory_operand): New predicate.
3512 * config/stormy16/stormy16-protos.h:
3513 (xstormy16_carry_plus_operand): Delete prototype.
3514 (xs_hi_general_operand): Likewise.
3515 (xs_hi_nonmemory_operand): Likewise.
3517 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
3518 modifiers as they are no longer needed and they can trigger
3519 reload spill failures.
3521 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
3522 with a match_operand in order to help reload.
3524 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
3525 constraint with 'e' for the 8th alternative as this version of
3526 the mov.w instruction only accepts the lower 8 registers.
3528 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
3531 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
3532 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
3535 2008-01-25 Jakub Jelinek <jakub@redhat.com>
3538 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
3540 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
3542 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
3544 (remove_structure): Update allocations list before removing structure.
3546 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
3548 * ipa-struct-reorg.c (is_safe_cond_expr,
3549 create_new_stmts_for_cond_expr): Use integer_zerop function,
3550 that recognize not only zero-pointer, but zero-integer too.
3552 2008-01-25 Ben Elliston <bje@au.ibm.com>
3555 * fixproto: Escape "." in sed expression that strips leading "./".
3557 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
3560 * gcc.c (SWITCH_OK): Removed.
3561 (SWITCH_LIVE): Changed to bit.
3562 (SWITCH_FALSE): Likewise.
3563 (SWITCH_IGNORE): Likewise.
3564 (switchstr): Change live_cond to unsigned int.
3565 (process_command): Replace SWITCH_OK with 0.
3566 (do_self_spec): Likewise.
3567 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
3568 (give_switch): Likewise.
3569 (used_arg): Likewise.
3570 (do_spec_1): Set the SWITCH_IGNORE bit.
3571 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
3572 bits. Set the SWITCH_LIVE bit.
3574 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
3576 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
3578 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
3580 PR tree-optimization/34472
3581 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
3582 parameter to a "bool *" and set *DATA to false if there is
3583 an unsafe access. Do not delete the structure here.
3584 (check_cond_exprs): Delete it here instead.
3585 (check_cond_exprs, exclude_cold_structs): Do not increase
3586 I when removing a structure.
3588 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
3591 * config/i386/i386.c (ix86_expand_vector_init): Consider only
3592 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
3594 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
3597 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
3598 a fixed vector for stack.
3600 2008-01-24 Ben Elliston <bje@au.ibm.com>
3603 * doc/gcc.texi (Software development): Add a direntry for g++.
3605 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
3607 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
3608 stale and straggling -fforce-addr comments above.
3610 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
3612 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
3613 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
3615 2008-01-23 Michael Matz <matz@suse.de>
3618 * dwarf2out.c (force_type_die): Use modified_type_die instead of
3621 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
3623 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
3626 2008-01-23 Anatoly Sokolov <aesok@post.ru>
3628 * config/avr/avr.c (avr_current_arch): New variable.
3629 (avr_arch_types): Add 'avr31' and 'avr51' entries.
3630 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
3631 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
3632 (avr_override_options): Init 'avr_current_arch'.
3633 (base_arch_s): Move from here...
3634 * config/avr/avr.h (base_arch_s): ... here. Add new members
3635 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
3636 'mega' to 'have_jmp_call'.
3637 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
3638 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
3640 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
3642 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
3643 MULTILIB_MATCHES): (Ditto.).
3645 2008-01-23 Richard Guenther <rguenther@suse.de>
3648 * cgraphunit.c (cgraph_reset_node): Always mark the node
3649 not reachable if it is not queued already.
3651 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
3653 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
3654 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
3655 (cputype_selected): New static variable.
3656 (bfin_handle_option): Set it if -mcpu is used.
3657 (override_option): Select default set of workarounds if no cpu type
3658 selected on the command line.
3659 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
3661 From Michael Frysinger <michael.frysinger@analog.com>
3662 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
3663 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
3665 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
3666 for bf547, bf523, bf524, and bf526.
3667 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
3669 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3670 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
3671 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
3672 __ADSPBF547__ and __ADSPBF54x__ for bf547.
3673 * doc/invoke.texi (Blackfin Options): Document that
3674 -mcpu now accept bf547, bf523, bf524, and bf526.
3676 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
3678 PR rtl-optimization/34628
3679 * combine.c (try_combine): Stop and undo after the first combination
3680 if an autoincrement side-effect on the first insn has effectively
3683 2008-01-22 David Edelsohn <edelsohn@gnu.org>
3686 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
3687 Offset addresses are not valid for Altivec or paired float modes.
3689 2008-01-22 Jakub Jelinek <jakub@redhat.com>
3692 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
3693 if DECL_INITIAL (decl) is error_mark_node.
3696 * c-common.c (handle_vector_size_attribute): Only allow
3697 integral, scalar float and fixed point types. Handle OFFSET_TYPE
3698 the same way as pointer, array etc. types.
3699 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
3702 * tree.c (build_type_attribute_qual_variant): Call
3703 build_qualified_type if attributes are equal, but quals are not.
3705 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3708 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
3709 * flags.h (warn_strict_aliasing): Remove.
3710 (warn_strict_overflow): Remove.
3711 * opts.c (warn_strict_aliasing): Remove.
3712 (warn_strict_overflow): Remove.
3713 * c-opts.c (c_common_handle_option): -Wall only sets
3714 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
3715 (c_common_post_options): Give default values to -Wstrict-aliasing
3716 and -Wstrict-overflow if they are uninitialized.
3717 * common.opt (Wstrict-aliasing): Specify Var and Init.
3718 (Wstrict-overflow): Likewise.
3720 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3722 PR rtl-optimization/26854
3723 PR rtl-optimization/34400
3724 PR rtl-optimization/34884
3725 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
3727 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
3728 (df_rd_bb_info.expanded_lr_out): Deleted
3729 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
3730 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
3731 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
3732 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
3733 Removed code to allocate, initialize or free expanded_lr_out.
3734 (df_rd_bb_local_compute_process_def): Restructured to make more
3736 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
3737 sets if the sets are being trimmed.
3739 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
3742 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
3743 (as_vers): Likewise.
3744 * configure: Regenerated.
3746 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3749 * tree-pass.h (pass_build_alias): New pass.
3750 * tree-ssa-alias.c (gate_build_alias): New.
3751 (pass_build_alias): New.
3752 * passes.c (init_optimization_passes): Add pass_build_alias after
3753 pass_create_structure_vars.
3755 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
3757 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
3758 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
3759 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
3760 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
3761 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
3762 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
3763 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
3764 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
3765 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
3766 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
3767 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
3768 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
3769 * config/s390/s390.md (FP_ALL): New mode iterator.
3770 (_d): New mode attribute.
3771 ("*signbit<mode>2>"): Changed mode of first operand.
3772 ("isinf<mode>2"): Changed mode of first operand.
3773 ("*TDC_insn"): Adaptation for DFP modes.
3775 2008-01-22 Ben Elliston <bje@au.ibm.com>
3777 * tree.c (check_qualified_type): Improve function description.
3779 2008-01-21 Jason Merrill <jason@redhat.com>
3782 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
3783 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
3786 2008-01-21 DJ Delorie <dj@redhat.com>
3788 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
3791 2008-01-21 Richard Guenther <rguenther@suse.de>
3794 * tree-cfg.c (verify_expr): Allow all invariant expressions
3795 instead of just constant class ones as reference argument.
3796 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
3797 like any other constant.
3798 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
3800 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
3802 * regmove.c (fixup_match_1): Update call crossed frequencies.
3804 2008-01-21 Richard Guenther <rguenther@suse.de>
3807 * tree-inline.c (setup_one_parameter): Deal with mismatched
3808 types using a VIEW_CONVERT_EXPR.
3810 2008-01-21 Alon Dayan <alond@il.ibm.com>
3811 Olga Golovanevsky <olga@il.ibm.com>
3813 PR tree-optimization/34701
3814 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
3815 when the structure size is not a power of 2.
3817 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
3819 * doc/install.texi: Add doc for --enable-checking=df.
3821 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
3823 PR rtl-optimization/34808
3824 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
3826 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
3828 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
3831 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3833 PR rtl-optimization/26854
3834 PR rtl-optimization/34400
3835 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
3837 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
3838 (df_rd_bb_info.expanded_lr_out): New.
3839 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
3840 * loop_iv.c (iv_analysis_loop_init): Ditto.
3841 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
3842 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
3843 Added code to allocate, initialize or free expanded_lr_out.
3844 (df_rd_bb_local_compute_process_def): Restructured to make
3845 more understandable.
3846 (df_rd_confluence_n): Add code to do nothing with fake edges and
3847 code to no apply invalidate_by_call sets if the sets are being trimmed.
3848 (df_lr_local_finalize): Renamed to df_lr_finalize.
3849 (df_live_local_finalize): Renamed to df_live_finalize.
3851 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
3854 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
3855 deciding whether to use reciprocal instructions.
3857 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
3859 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
3860 dwarf2out_note_section_used if cold_text_section is NULL.
3862 2008-01-19 Jakub Jelinek <jakub@redhat.com>
3864 PR gcov-profile/34610
3865 * tree-cfg.c (make_edges): Mark both outgoing edges from
3866 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
3867 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
3868 from OMP_FOR and OMP_CONTINUE outgoing edges.
3870 * tree-profile.c (tree_profiling): Return early if
3871 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
3873 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
3874 from cfun to child_cfun.
3875 * function.h (struct function): Add after_tree_profile bit.
3877 2008-01-19 Anatoly Sokolov <aesok@post.ru>
3879 * config/avr/avr.S (_exit): Disable interrupt.
3881 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
3882 Steven Bosscher <stevenb.gcc@gmail.com>
3884 PR rtl-optimization/26854
3885 PR rtl-optimization/34400
3886 * df-problems.c (df_live_scratch): New scratch bitmap.
3887 (df_live_alloc): Allocate df_live_scratch when doing df_live.
3888 (df_live_reset): Clear the proper bitmaps.
3889 (df_live_bb_local_compute): Only process the artificial defs once
3890 since the order is not important.
3891 (df_live_init): Init the df_live sets only with the variables
3892 found live by df_lr.
3893 (df_live_transfer_function): Use the df_lr sets to prune the
3894 df_live sets as they are being computed.
3895 (df_live_free): Free df_live_scratch.
3897 2008-01-18 Ian Lance Taylor <iant@google.com>
3899 * common.opt: Add fmerge-debug-strings.
3900 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
3901 flag_merge_debug_strings rather than flag_merge_constants.
3902 * doc/invoke.texi (Option Summary): Mention
3903 -fmerge-debug-strings.
3904 (Debugging Options): Document -fmerge-debug-strings.
3906 2008-01-18 Ian Lance Taylor <iant@google.com>
3909 * tree.h (DECL_IS_OPERATOR_NEW): Define.
3910 (struct tree_function_decl): Add new field operator_new_flag.
3911 * tree-inline.c (expand_call_inline): When inlining a call to
3912 operator new, force the return value to go into a variable, and
3913 set DECL_NO_TBAA_P on that variable.
3914 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
3916 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
3919 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
3920 DWARF2_DEBUGGING_INFO.
3921 (dwarf2out_note_section_used): Ditto. Add prototype.
3922 (have_multiple_function_sections, text_section_used,
3923 cold_text_section_used, *cold_text_sections): Move declarations
3926 2008-01-17 Bob Wilson <bob.wilson@acm.org>
3928 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
3929 field and add signal_ra.
3930 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
3931 assignments to frame state pc. Move end of stack check after
3932 MD_FALLBACK_FRAME_STATE_FOR.
3933 (uw_update_context_1): Use frame state signal_regs if set, instead
3934 of checking signal_frame flag.
3935 (uw_update_context): Use frame state signal_ra if set.
3936 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
3937 * config/xtensa/linux-unwind.h: New file.
3939 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
3941 * modulo-sched.c (get_sched_window): Fix comment typo.
3943 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
3945 PR tree-optimization/34648
3946 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
3948 2008-01-17 Anatoly Sokolov <aesok@post.ru>
3950 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
3951 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
3953 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
3955 PR rtl-optimization/34400
3956 * df-core.c (df_worklist_dataflow_overeager,
3957 df_worklist_dataflow_doublequeue): New functions.
3958 (df_worklist_dataflow): Two different worklist solvers.
3959 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
3962 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
3965 * doc/invoke.texi: Document the dependence on pthread for fopenmp
3966 and ftree-parallelize-loops.
3968 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
3970 PR rtl-optimization/34826
3971 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
3973 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
3975 * global.c (find_reg): Mark the eh regs as used if necessary.
3976 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
3977 * ra.h (struct allocno): no_eh_reg field added. Changed
3978 no_stack_reg type to bitfield.
3980 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
3982 * tree.c (substitute_in_expr): Add missing 'break'.
3984 2008-01-17 Richard Guenther <rguenther@suse.de>
3986 PR tree-optimization/34825
3987 * tree-ssa-math-opts.c (is_division_by): Do not recognize
3988 x / x as division to handle.
3990 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3992 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
3993 "-pthread" is specified.
3994 * pa-hpux11.h (LIB_SPEC): Likewise.
3996 2008-01-16 Janis Johnson <janis187@us.ibm.com>
3997 Peter Bergner <bergner@vnet.ibm.com>
3999 PR rtl-optimization/33796
4000 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
4002 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4004 PR libgfortran/34699
4005 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
4007 * pa-hpux10.h (LINK_SPEC): Likewise.
4008 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
4010 2008-01-16 Richard Guenther <rguenther@suse.de>
4013 * fold-const.c (fold_convert_const_int_from_int): Do not
4014 set overflow if that occured only because of a sign extension
4015 change when converting from/to a sizetype with the same
4016 precision and signedness.
4018 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
4021 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
4022 location address to the correct place. Update copyright year.
4024 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
4026 * lambda-code.c (lambda_transform_legal_p): Handle the case of
4027 no dependences in the dependence_relations vector.
4029 2008-01-16 Jan Hubicka <jh@suse.cz>
4031 PR rtl-optimization/31396
4032 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
4033 * cfg.c (dump_reg_info): Print it.
4034 * regs.h (struct reg_info_t): add freq_calls_crossed.
4035 (REG_FREQ_CALLS_CROSSED): New macro.
4036 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
4037 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
4038 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
4039 regmove_optimize): Update call crossed frequencies.
4040 * local-alloc.c (struct qty): Add freq_calls_crossed.
4041 (alloc_qty): Copute freq_calls_crossed.
4042 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
4043 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
4044 * ra.h (struct allocno): Add freq_calls_crossed.
4046 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
4048 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
4049 libgomp when compiling with ftree-parallelize-loops.
4050 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
4052 2008-01-16 Richard Guenther <rguenther@suse.de>
4054 PR tree-optimization/34769
4055 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
4056 * tree.c (int_cst_value): Instead make this function more
4057 permissive in what it accepts as valid input. Document this
4058 function always sign-extends the value.
4060 2008-01-16 Jakub Jelinek <jakub@redhat.com>
4061 Richard Guenther <rguenther@suse.de>
4064 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
4065 (gimple_fold_indirect_ref_rhs): ... this.
4066 (gimple_fold_indirect_ref): New function with foldings
4067 that preserve lvalueness.
4068 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
4069 * tree-flow.h (gimple_fold_indirect_ref): Declare.
4070 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
4071 to fold an INDIRECT_REF, fall back to the old use of
4072 fold_indirect_ref_1.
4074 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
4076 * tree-data-ref.c (subscript_dependence_tester_1): Call
4077 free_conflict_function.
4078 (compute_self_dependence): Same.
4080 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
4083 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
4084 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
4086 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
4087 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
4088 for DWARF2_UNWIND_INFO targets.
4090 2008-01-16 Richard Guenther <rguenther@suse.de>
4093 * c-typeck.c (common_pointer_type): Do not merge inconsistent
4094 type qualifiers for function types.
4096 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
4098 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
4099 loop_iterator li from previous commit.
4101 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
4103 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
4105 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
4107 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
4108 (parallelize_loops): Don't parallelize irreducible components.
4110 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4113 * c-opts (c_common_post_options): Do not enable CPP
4114 flag_pedantic_errors by default.
4116 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
4118 PR rtl-optimization/31944
4119 * cse.c (remove_pseudo_from_table): New function.
4120 (merge_equiv_classes): Use above function to remove pseudo-registers.
4121 (invalidate): Likewise.
4123 2008-01-13 Richard Guenther <rguenther@suse.de>
4126 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
4127 instead of TYPE_MODE to deal with calls from expand_one_error_var.
4129 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
4131 * gcse.c (cprop_jump): Call validate_unshare_change instead of
4132 validate_change to unshare the source of the PC set.
4134 2008-01-12 Jan Hubicka <jh@suse.cz>
4137 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
4138 references above array bounds. This might trigger bounds checks for
4141 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
4143 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
4144 new_replaceable_dependencies.
4146 2008-01-12 Doug Kwan <dougkwan@google.com>
4148 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
4149 instead of OPT_Wreturn_type in warning due to ignored return type
4151 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
4152 options included in -Wextra.
4153 * c.opt: New option -Wignored_qualifiers.
4154 * doc/invoke.texi (Warning Options, -Wextra): Add new option
4155 -Wignore_qualifiers.
4156 (-Wignored-qualifiers): Document.
4157 (-Wreturn-type): Remove description of functionality now handled
4158 by -Wignored-qualifiers.
4160 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
4163 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
4164 NOP_EXPR if it is between integral types with the same precision.
4166 2008-01-12 Jan Hubicka <jh@suse.cz>
4169 * invoke.texi (max-inline-recursive-depth): Fix default value.
4171 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
4173 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
4176 2008-01-11 Bob Wilson <bob.wilson@acm.org>
4178 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
4180 2008-01-11 James E. Wilson <wilson@specifix.com>
4183 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
4185 2008-01-11 Anatoly Sokolov <aesok@post.ru>
4187 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
4188 save/restore frame pointer register and don't use 'call-prologues'
4189 optimization in function with "OS_task" attribute.
4191 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
4194 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
4195 when copying to memory.
4197 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
4199 PR rtl-optimization/30905
4200 * cfgcleanup.c: Include dce.h
4201 (crossjumps_occured): New global variable.
4202 (try_crossjump_bb): Exit loop after finding a fallthru edge.
4203 If something changed, set crossjumps_occured to true.
4204 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
4205 Don't add/remove fake edges to exit here...
4206 (cleanup_cfg): ...but do it here, when crossjumping.
4207 Run a fast DCE when successful crossjumps occured in the latest
4208 iteration of try_optimize_cfg.
4210 2008-01-11 Richard Guenther <rguenther@suse.de>
4212 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
4213 (struct vn_unary_op_s): Likewise.
4214 (vn_reference_insert): Free old reference on hash collision.
4216 2008-01-10 Raksit Ashok <raksit@google.com>
4218 PR rtl-optimization/27971
4219 * combine.c (find_split_point): Split PLUS expressions which are
4220 inside a MEM rtx, and whose first operand is complex.
4222 2008-01-10 DJ Delorie <dj@redhat.com>
4224 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
4225 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
4226 (m32c_hard_regno_ok): Call the underlying function.
4228 2008-01-10 Richard Guenther <rguenther@suse.de>
4231 * tree-cfg.c (tree_merge_blocks): Do not go through the
4232 full-blown folding and stmt updating path if we just deal
4233 with virtual operands.
4234 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
4235 test for abnormal SSA_NAMEs.
4237 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
4240 * reload.c (push_reload): Add assertions. All constants from
4241 reg_equiv_constant should have been used for replacing the respective
4243 (find_reloads_address): Invoke find_reloads_address_part for
4244 constant taken from the reg_equiv_constant array.
4246 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
4248 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
4249 field (valnum) the first in the struct. Replace bools with
4252 2008-01-10 Richard Guenther <rguenther@suse.de>
4254 PR tree-optimization/34651
4255 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
4256 types and ordering for masking and converting.
4258 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
4260 PR tree-optimization/34017
4261 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
4262 also for PHI_NODE expressions.
4264 2008-01-09 Jan Hubicka <jh@suse.cz>
4266 PR tree-optimization/34708
4267 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
4268 based on number of case labels.
4269 (init_inline_once): Remove switch_cost.
4270 * tree-inline.h (eni_weights_d): Remove switch_cost.
4272 2008-01-09 Richard Guenther <rguenther@suse.de>
4273 Andrew Pinski <andrew_pinski@playstation.sony.com>
4276 * gimplify.c (gimplify_cond_expr): Do not create an addressable
4277 temporary if an rvalue is ok or an lvalue is not required.
4279 2008-01-09 Richard Guenther <rguenther@suse.de>
4282 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
4285 2008-01-09 Richard Guenther <rguenther@suse.de>
4288 * tree.c (host_integerp): Check for sizetype only if the
4289 type is an integer type.
4291 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
4294 * opts.c (decode_options): Disable inlining of functions called
4295 once if not in unit-at-a-time mode.
4297 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
4299 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
4301 2008-01-08 Richard Guenther <rguenther@suse.de>
4304 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
4305 out early if the result will be unused.
4307 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
4312 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
4313 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
4316 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
4318 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
4319 for vectorization tuned.
4321 2008-01-08 Richard Guenther <rguenther@suse.de>
4323 PR tree-optimization/34683
4324 * tree-ssa-operands.c (operand_build_cmp): Export.
4325 * tree-ssa-operands.h (operand_build_cmp): Declare.
4326 * tree-vn.c (vuses_compare): Remove.
4327 (sort_vuses): Use operand_build_cmp.
4328 (sort_vuses_heap): Likewise.
4329 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
4330 to re-use old VEC if available. Do not sort already sorted VUSEs.
4331 (vdefs_to_vec): Do not sort already sorted VDEFs.
4333 2008-01-08 Jakub Jelinek <jakub@redhat.com>
4336 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
4338 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
4341 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
4342 limitations of reciprocal sequences on x86 targets.
4344 2008-01-08 Richard Guenther <rguenther@suse.de>
4346 PR tree-optimization/34683
4347 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
4349 2008-01-07 Jakub Jelinek <jakub@redhat.com>
4352 * config/darwin.c (darwin_mergeable_string_section): Don't use
4353 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
4355 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
4358 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
4359 negxf2. Macroize expander using X87MODEF mode iterator. Change
4360 predicates of op0 and op1 to register_operand.
4361 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
4362 expander using X87MODEF mode iterator. Change predicates of
4363 op0 and op1 to register_operand.
4364 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
4365 corresponding patterns and macroize using MODEF macro. Change
4366 predicates of op0 and op1 to register_operand and remove
4367 "m" constraint. Disparage "r" alternative with "!".
4368 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
4369 macroize using X87MODEF macro. Change predicates of op0 and op1
4370 to register_operand and remove "m" constraint. Disparage "r"
4371 alternative with "!".
4372 (absneg splitter with memory operands): Remove.
4373 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
4374 patterns and macroize using X87MODEF mode iterator.
4375 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
4376 Change predicate of op1 to register_operand.
4377 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
4378 for memory operands.
4380 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
4382 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
4384 2008-01-07 Richard Guenther <rguenther@suse.de>
4386 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
4389 2008-01-07 Richard Guenther <rguenther@suse.de>
4391 PR tree-optimization/34683
4392 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
4393 VOPs of the needed size to save memory. Use VEC_quick_push
4394 to save compile-time.
4395 (vdefs_to_vec): Likewise.
4397 2008-01-07 Sa Liu <saliu@de.ibm.com>
4399 * config/spu/spu.md (divdf3): Genetate inline code for double
4400 division. The implementation doesn't handle INF or NAN, therefore it
4401 only applies when -ffinite-math-only is given.
4403 2008-01-06 Paolo Carlini <pcarlini@suse.de>
4406 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
4407 * doc/cpp.texi ([Common Predefined Macros]): Document.
4409 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
4411 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
4412 order to use commutative addition instead of subtraction.
4414 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
4415 Mircea Namolaru <namolaru@il.ibm.com>
4416 Vladimir Yanovsky <yanov@il.ibm.com>
4417 Revital Eres <eres@il.ibm.com>
4419 PR tree-optimization/34263
4420 * tree-outof-ssa.c (process_single_block_loop_latch,
4421 contains_tree_r): New functions.
4422 (analyze_edges_for_bb): Call process_single_block_loop_latch
4423 function to empty single-basic-block latch block if possible.
4425 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
4427 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
4429 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
4431 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
4433 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
4435 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
4437 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
4439 2008-01-05 Jakub Jelinek <jakub@redhat.com>
4441 PR tree-optimization/34618
4442 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
4445 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
4448 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
4449 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
4450 Update copyright year.
4452 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
4453 Update copyright year.
4454 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
4457 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
4459 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
4460 edge does not point to current bb before changing need_assert.
4462 2008-01-04 Richard Guenther <rguenther@suse.de>
4465 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
4466 for verifying purposes if they are is_gimple_min_invariant.
4468 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
4470 PR tree-optimization/34448
4471 PR tree-optimization/34465
4472 * gimplify.c (gimplify_init_constructor): Add new parameter
4473 notify_temp_creation. Use it.
4474 (gimplify_modify_expr_rhs): Take volatiles into account when
4475 optimizing constructors.
4476 Do not optimize constructors if gimplify_init_constructor will dump to
4478 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
4479 * gcc.c-torture/compile/pr34448.c: New.
4481 2008-01-04 Jakub Jelinek <jakub@redhat.com>
4483 PR gcov-profile/34609
4484 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
4485 return_slot if result is TREE_ADDRESSABLE.
4487 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
4489 * config/mips/mips.md (sqrt_condition): Tweak comment.
4490 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
4492 2008-01-03 Tom Tromey <tromey@redhat.com>
4495 * c-common.c (c_type_hash): Handle VLAs.
4497 2008-01-03 Jan Hubicka <jh@suse.cz>
4499 PR tree-optimization/31081
4500 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
4501 0 when inlining and not inlining to first basic block.
4502 (remap_decl): When var is initialized to 0, don't set default_def.
4503 (expand_call_inline): Set entry_bb.
4504 * tree-inline.h (copy_body_data): Add entry_bb.
4506 2008-01-03 Jakub Jelinek <jakub@redhat.com>
4509 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
4512 PR tree-optimization/29484
4513 * tree-inline.c (inline_forbidden_p_2): New function.
4514 (inline_forbidden_p): Disallow inlining if some static var
4515 has an address of a local LABEL_DECL in its initializer.
4516 * doc/extend.texi (Labels as Values): Document &&foo behaviour
4519 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
4521 PR tree-optimization/34635
4522 * tree-data-ref.c (add_other_self_distances): Make sure that the
4523 evolution step is constant.
4525 2008-01-03 Jakub Jelinek <jakub@redhat.com>
4528 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
4530 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
4532 * tree-sra.c (scalarize_init): Insert the generate_element_init
4533 statements after the generate_element_zero statements.
4535 2008-01-02 Richard Guenther <rguenther@suse.de>
4539 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
4540 for very large number of operands instead of ICEing.
4542 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
4545 * config/i386/i386.c (ix86_expand_prologue): Save red-zone
4546 while stack probing.
4548 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
4550 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
4553 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
4556 * tree-mudflap.c (mx_register_decls): Guard warning by
4557 !DECL_ARTIFICIAL check.
4559 2008-01-01 Jakub Jelinek <jakub@redhat.com>
4561 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
4562 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
4563 sse5_perm<mode>): Fix constraints.