1 2008-03-23 Zuxy Meng <zuxy.meng@gmail.com>
3 * doc/extend.texi (Function Attributes): Add missing comma in the
4 example of the "alloc_size" attribute.
6 2008-03-23 Uros Bizjak <ubizjak@gmail.com>
9 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
11 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
14 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
17 * stor-layout.c (update_alignment_for_field): Set minimum alignment
18 of the underlying type of a MS bitfield layout to the natural
19 alignment of the type.
21 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
23 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
24 to their natural alignment to avoid store forwarding stalls.
26 2008-03-22 Richard Guenther <rguenther@suse.de>
28 * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
29 For PHI nodes verify the address is invariant.
30 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
31 (get_symbol_constant_value): Use is_gimple_min_invariant.
32 (maybe_fold_stmt_indirect): Likewise.
34 2008-03-22 Richard Sandiford <rsandifo@nildram.co.uk>
36 PR rtl-optimization/33927
37 * Makefile.in (dse.o): Depend on $(TM_P_H).
38 * expr.h (extract_low_bits): Declare.
39 * expmed.c (extract_low_bits): New function.
40 * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
41 * dse.c: Include tm_p.h.
42 (find_shift_sequence): Remove the read_reg argument and return the
43 read value. Emit the instructions instead of returning them.
44 Iterate on new_mode rather than calculating it each time.
45 Check MODES_TIEABLE_P. Use simplify_gen_subreg to convert the
46 source to NEW_MODE and extract_low_bits to convert the shifted
48 (replace_read): Allow the load and store to have different mode
49 classes. Use extract_low_bits when SHIFT == 0. Create the shift
50 or extraction instructions before trying the replacement. Update
51 dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
53 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
55 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
56 to their natural alignment to avoid store forwarding stalls.
58 2008-03-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
61 * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
62 encouraging but not allowing gprs for input;
63 change the input constraint to !f#r.
64 (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
66 change the output constraint to !f#r.
68 2008-03-21 Uros Bizjak <ubizjak@gmail.com>
71 * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
72 corresponding post-reload splitters.
73 ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
74 when x87 FP math is selected.
75 * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
76 New function prototype.
77 * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
78 unreachable function to ease macroization of insn patterns.
80 2008-03-21 Martin Jambor <mjambor@suse.cz>
82 * tree-data-ref.c (dump_data_dependence_relation): Avoid data
83 reference dumps if ddr is NULL or dependence is unknown.
85 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
87 * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
88 unsigned extension into account.
89 (ATOMIC_COMPARE_AND_SWAP): Likewise.
90 (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
91 Do computations on a scratch register.
93 2008-03-21 Richard Guenther <rguenther@suse.de>
95 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
96 Use is_gimple_min_invariant instead of TREE_INVARIANT.
97 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
98 * tree-ssa-dom.c (record_equality): Likewise.
99 * tree-inline.c (copy_body_r): Likewise.
100 * tree-ssa-pre.c (make_values_for_stmt): Remove test for
103 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
105 * config/sh/sh.c (split_branches): Pass zero to redirect_jump
106 as 'delete_unused' argument.
108 2008-03-20 Richard Guenther <rguenther@suse.de>
110 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
111 special casing of constant qualifiers.
112 * tree-ssa.c (useless_type_conversion_p_1): Instead do not
113 care about them in general.
114 * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
115 regardless of their type.
116 (fold_stmt_r): Forcefully fold *& if we end up with that.
118 2008-03-20 Paul Brook <paul@codesourcery.com>
120 * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
121 * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
123 * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
125 (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
126 * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
128 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
130 * common.opt (Wmudflap): New option.
131 * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
132 (mx_register_decls): Likewise.
133 (mudflap_finish_file): Likewise.
134 * doc/invoke.texi: Document -Wno-mudflap.
136 2008-03-20 Kai Tietz <kai.tietz@onevision.com>
138 * c-format.c (replace_format_name_to_system_name): New.
140 (convert_format_name_to_system_name): New.
141 (decode_format_attr): Add use of convert_format_name_to_system_name.
142 (format_types_orig): Add gnu_ prefix to names.
143 (check_format_info_main): Special treating of \0 escaped names for
144 supporting multi-character format specifiers as I32, I64.
145 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
146 (gnu_target_overrides_format_attributes): New.
147 * c-format.h: Add structure target_ovr_attr to hold
148 system specific formatter names.
149 * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
150 msformat-c.o file to c_target_objs and cxx_target_objs.
151 * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
152 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
153 (TARGET_N_FORMAT_TYPES): New.
154 * config/i386/msformat-c.c: New.
155 * config/i386/t-cygming: Add build rule for msformat-c.o.
156 * doc/extend.texi: Add new format names gnu_* and ms_* and
158 * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
160 2008-03-20 Ira Rosen <irar@il.ibm.com>
162 * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
163 optimizations turned on under -O3.
164 (ftree-vectorize): Add that the flag is turned on with -O3.
166 2008-03-20 Ben Elliston <bje@au.ibm.com>
168 * regmove.c (try_auto_increment): Fix spelling error in comment.
169 * final.c (final_scan_insn): Likewise.
171 2008-03-20 Uros Bizjak <ubizjak@gmail.com>
174 * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
175 allocator preferences for "y" and "r" class registers.
176 ("*mov<mode>_internal"): Ditto.
177 ("*movv2sf_internal_rex64"): Ditto.
178 ("*movv2sf_internal"): Ditto.
180 2008-03-19 Michael Matz <matz@suse.de>
183 * calls.c (expand_call): Check overlap of arguments with call
184 address for sibcalls.
186 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
189 * stor-layout.c (update_alignment_for_field): Set minimum alignment
190 of the underlying type of a MS bitfield layout to the natural
191 alignment of the type.
193 2008-03-19 Jan Hubicka <jh@suse.cz>
196 * toplev.c (decode_d_option): Handle all CPP flags.
197 * tree-vrp.c: Update tree_pass descriptors.
198 * regrename.c: Update tree_pass descriptors.
199 * fwprop.c: Update tree_pass descriptors.
200 * doc/invoke.texi: Remove documentation of dropped -d? flags.
201 * tree-into-ssa.c: Update tree_pass descriptors.
202 * tree-dump.c: Update tree_pass descriptors.
203 * tree-complex.c: Update tree_pass descriptors.
204 * tree-dump.h: Update tree_pass descriptors.
205 * see.c: Update tree_pass descriptors.
206 * cgraphbuild.c: Update tree_pass descriptors.
207 * tracer.c: Update tree_pass descriptors.
208 * tree-loop-distribution.c: Update tree_pass descriptors.
209 * cgraph.c: Update tree_pass descriptors.
210 * postreload-gcse.c: Update tree_pass descriptors.
211 * postreload.c: Update tree_pass descriptors.
212 * tree-ssa-loop-ch.c: Update tree_pass descriptors.
213 * tree-tailcall.c: Update tree_pass descriptors.
214 * tree-pass.h (tree_opt_pass): Rename to ...
215 (opt_pass) ... this one; add "type" field and remove letter field.
216 (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
217 (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
218 all_lowering_passes): Update declaration.
219 * ipa-cp.c: Update tree_pass descriptors.
220 * final.c: Update tree_pass descriptors.
221 * omp-low.c: Update tree_pass descriptors.
222 * tree-ssa-dse.c: Update tree_pass descriptors.
223 * ipa-reference.c: Update tree_pass descriptors.
224 * tree-ssa-uncprop.c: Update tree_pass descriptors.
225 * auto-inc-dec.c: Update tree_pass descriptors.
226 * reorg.c: Update tree_pass descriptors.
227 * cgraphunit.c: Update tree_pass descriptors.
228 * tree-ssa-copyrename.c: Update tree_pass descriptors.
229 * tree-ssa-ccp.c: Update tree_pass descriptors.
230 * df-core.c: Update tree_pass descriptors.
231 * mode-switching.c: Update tree_pass descriptors.
232 * tree-nomudflap.c: Update tree_pass descriptors.
233 * modulo-sched.c: Update tree_pass descriptors.
234 * ipa-pure-const.c: Update tree_pass descriptors.
235 * cse.c: Update tree_pass descriptors.
236 * web.c: Update tree_pass descriptors.
237 * tree-stdarg.c: Update tree_pass descriptors.
238 * tree-ssa-math-opts.c: Update tree_pass descriptors.
239 * tree-ssa-dom.c: Update tree_pass descriptors.
240 * tree-nrv.c: Update tree_pass descriptors.
241 * tree-ssa-alias.c: Update tree_pass descriptors.
242 * loop-init.c: Update tree_pass descriptors.
243 * gimple-low.c: Update tree_pass descriptors.
244 * ipa-inline.c: Update tree_pass descriptors.
245 * tree-ssa-sink.c: Update tree_pass descriptors.
246 * global.c: Update tree_pass descriptors.
247 * ifcvt.c: Update tree_pass descriptors.
248 * jump.c: Update tree_pass descriptors.
249 * predict.c: Update tree_pass descriptors.
250 * tree-ssa-loop.c: Update tree_pass descriptors.
251 * recog.c: Update tree_pass descriptors.
252 * dse.c: Update tree_pass descriptors.
253 * tree-ssa-ifcombine.c: Update tree_pass descriptors.
254 * tree-eh.c: Update tree_pass descriptors.
255 * regmove.c: Update tree_pass descriptors.
257 * function.c: Update tree_pass descriptors.
258 * tree-vectorizer.c: Update tree_pass descriptors.
259 * gcse.c: Update tree_pass descriptors.
260 * ipa-type-escape.c: Update tree_pass descriptors.
261 * tree-if-conv.c: Update tree_pass descriptors.
262 * init-regs.c: Update tree_pass descriptors.
263 * ipa.c: Update tree_pass descriptors.
264 * tree-ssa-phiopt.c: Update tree_pass descriptors.
265 * rtl-factoring.c: Update tree_pass descriptors.
266 * lower-subreg.c: Update tree_pass descriptors.
267 * bt-load.c: Update tree_pass descriptors.
268 * tree-dfa.c: Update tree_pass descriptors.
269 * except.c: Update tree_pass descriptors.
270 * emit-rtl.c: Update tree_pass descriptors.
271 * cfgexpand.c: Update tree_pass descriptors.
272 * tree-cfgcleanup.c: Update tree_pass descriptors.
273 * cfgcleanup.c: Update tree_pass descriptors.
274 * tree-ssa-pre.c: Update tree_pass descriptors.
275 * tree-sra.c: Update tree_pass descriptors.
276 * tree-mudflap.c: Update tree_pass descriptors.
277 * tree-ssa-copy.c: Update tree_pass descriptors.
278 * cfglayout.c: Update tree_pass descriptors.
279 * tree-ssa-forwprop.c: Update tree_pass descriptors.
280 * tree-ssa-dce.c: Update tree_pass descriptors.
281 * tree-ssa.c: Update tree_pass descriptors.
282 * regclass.c: Update tree_pass descriptors.
283 * integrate.c: Update tree_pass descriptors.
284 * tree-optimize.c: Update tree_pass descriptors.
285 * tree-ssa-phiprop.c: Update tree_pass descriptors.
286 * tree-object-size.c: Update tree_pass descriptors.
287 * combine.c: Update tree_pass descriptors.
288 * tree-outof-ssa.c: Update tree_pass descriptors.
289 * bb-reorder.c: Update tree_pass descriptors.
290 * stack-ptr-mod.c: Update tree_pass descriptors.
291 * var-tracking.c: Update tree_pass descriptors.
292 * tree-profile.c: Update tree_pass descriptors.
293 * tree-vect-generic.c: Update tree_pass descriptors.
294 * reg-stack.c: Update tree_pass descriptors.
295 * sched-rgn.c: Update tree_pass descriptors.
296 * tree-ssa-structalias.c: Update tree_pass descriptors.
297 * tree-cfg.c: Update tree_pass descriptors.
298 * passes.c (current_pass): Update declaration.
299 (finish_optimization_passes): Update.
300 (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
301 (register_one_dump_file, register_dump_files_1, next_pass_1):
303 (init_optimization_passes): Update handling of new types.
304 (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
305 * ipa-struct-reorg.c: Update tree_pass descriptors.
306 * tree-ssa-reassoc.c: Update tree_pass descriptors.
307 * combine-stack-adj.c: Update tree_pass descriptors.
308 * cfgrtl.c: Update tree_pass descriptors.
309 * dce.c: Update tree_pass descriptors.
310 * tree-ssanames.c: Update tree_pass descriptors.
312 2008-03-19 Richard Guenther <rguenther@suse.de>
315 * tree-ssa.c (always_executed): New global flag.
316 (warn_uninitialized_var): If !always_executed warn with "maybe"
318 (execute_early_warn_uninitialized): Compute post-dominators.
319 Initialize always_executed before processing each basic block.
321 2008-03-18 Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
324 * config/i386/i386.c (x86_this_parameter): Calculate correct location
325 of "this" pointer when "regparm = N" or "fastcall" is in effect.
327 2008-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
329 * doc/include/texinfo.tex: Update to version 2008-03-17.10.
331 2008-03-18 Paolo Bonzini <bonzini@gnu.org>
333 * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
335 (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
336 (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
337 is true. Add "&& !ignore" condition to reduce_bit_field. Modify
338 target after ignore has been set, and move there also the commputation
339 of subtarget and original_target.
340 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
341 (LANG_HOOKS_INITIALIZER): Remove it.
342 * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
344 2008-03-18 Richard Guenther <rguenther@suse.de>
346 * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
347 found an expression with constants, note that in the VN for the lhs.
348 * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
349 fold them to constants if possible. Run cleanup_cfg if done so.
350 (execute_pre): Return todo.
352 (execute_fre): Likewise.
353 * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
355 (get_prop_source_stmt): Look through pointer conversions.
357 2008-03-18 Jan Hubicka <jh@suse.cz>
359 * tree-pretty-print.c: Include predict.h.
360 (dump_generic_node): Dump predictor.
361 * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
362 * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
363 * gimple-low.c (lower_stmt): Likewise.
364 * expr.c (expand_expr_real): Likewise.
365 * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
367 (build_predict_expr, build_predict_expr): New.
368 * predict.h (predictor_name, build_predict_expr): Update.
369 * c-typeck.c (c_finish_bc_stmt): Add prediction.
370 * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
371 * predict.def (PRED_CONTINUE): Update hitrate.
372 * tree.def (PREDICT_EXPR): Define.
373 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
374 do not handle BIND_EXPR.
375 * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
376 * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
377 * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
380 2008-03-18 Michael Matz <matz@suse.de>
382 * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
384 2008-03-18 Richard Guenther <rguenther@suse.de>
386 * tree-gimple.h (is_gimple_invariant_address): Declare.
387 (is_gimple_constant): Likewise.
388 * tree-gimple.c (is_gimple_constant): New function.
389 (is_gimple_invariant_address): Likewise.
390 (is_gimple_min_invariant): Implement in terms of is_gimple_constant
391 and is_gimple_invariant_address.
392 * tree-ssa-loop-niter.c (expand_simple_operations): Revert
394 * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
397 2008-03-18 Jakub Jelinek <jakub@redhat.com>
400 * gimplify.c (gimplify_expr): Gimplify second operand of
403 2008-03-17 Richard Guenther <rguenther@suse.de>
405 PR tree-optimization/19637
406 * fold-const.c (fold_unary): Remove restrictions of removing
407 intermediate pointer-conversions (P2)(P1)P0.
408 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
409 conversion to void pointer.
410 (get_maxval_strlen): Handle addresses of the form &(*p)[0].
412 2008-03-16 James E. Wilson <wilson@tuliptree.org>
415 * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
416 emulated thread local variables.
418 2008-03-16 Richard Guenther <rguenther@suse.de>
421 * tree-ssa-loop-niter.c (expand_simple_operations): Do not
422 expand TREE_INVARIANT operations that are not gimple invariant.
424 2008-03-16 Hans-Peter Nilsson <hp@axis.com>
426 * doc/extend.texi (Alignment): Say that the ABI controls
427 the __alignof__ for non-strict-alignment targets rather
428 than being a recommendation.
430 2008-03-15 Paul Brook <paul@codesourcery.com>
432 * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
434 (arm_output_fn_unwind): Mark functions that can not be unwound.
436 2008-03-15 Paul Brook <paul@codesourcery.com>
438 * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
439 extension instructions.
441 2008-03-15 Richard Guenther <rguenther@suse.de>
443 * tree-ssa-ccp.c (ccp_fold): Also read from constant values
444 and fold constant aggregate refs.
445 (fold_const_aggregate_ref): Handle string constants
446 and constructors in ARRAY_REFs. Handle INDIRECT_REF.
447 (evaluate_stmt): Simplify now that ccp_fold folds constant
450 2008-03-15 Paul Brook <paul@codesourcery.com>
452 * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
453 (extzv): Use gen_extzv_t2.
454 (insv_t2, insv_zero, extv, extzv_t2): New patterns.
456 2008-03-15 Richard Guenther <rguenther@suse.de>
458 * tree-ssa-ccp.c (get_symbol_constant_value): Export.
459 (fold_const_aggregate_ref): Likewise.
460 (get_value): Return NULL if we don't have any values.
461 (ccp_finalize): Set const_val to NULL after freeing it.
462 * tree-flow.h (get_symbol_constant_value): Declare.
463 (fold_const_aggregate_ref): Likewise.
464 * tree-ssa-sccvn.c (try_to_simplify): Use them.
466 2008-03-15 Richard Guenther <rguenther@suse.de>
469 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
470 to not produce negative array indices if not allowed. Add
471 parameter to indicate that.
472 (maybe_fold_offset_to_component_ref): Allow negative array
473 indices only for the first member of a structure.
474 (maybe_fold_offset_to_reference): Allow negative array indices.
475 (maybe_fold_stmt_addition): Likewise.
477 2008-03-15 Bjoern Haase <bjoern.m.haase@web.de>
478 Anatoly Sokolov <aesok@post.ru>
480 * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
481 (avr_arch): Add ARCH_AVR6.
482 (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
483 (initial_elimination_offset): Initialize and use 'avr_pc_size'
484 instead of fixed value 2.
485 (print_operand_address): Use gs() asm specifier instead of pm().
486 (avr_assemble_integer): (Ditto.).
487 (avr_output_addr_vec_elt): (Ditto.).
488 (print_operand): Handle "!" code.
489 * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
490 __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
491 (AVR_HAVE_EIJMP_EICALL): Define.
492 (AVR_3_BYTE_PC): Redefine.
493 (AVR_2_BYTE_PC): (Ditto.).
494 (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
495 (LINK_SPEC): Add atmega2560 and atmega2561.
496 (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
498 * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall
499 for 3 byte PC devices.
500 (call_value_insn): (Ditto.).
501 (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
502 (indirect_jump): Use only for for 2 byte PC devices.
503 (*tablejump): (Ditto.).
504 (*indirect_jump_avr6): Add insn.
505 (*tablejump_rjmp): Don't use for 3 byte PC devices.
506 * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp
507 instead of ijmp for 3 byte PC devices.
508 (__tablejump2__): (Ditto.).
509 * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
510 (MULITLIB_DIRNAMES): (Ditto.).
511 (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
513 2008-03-15 Uros Bizjak <ubizjak@gmail.com>
515 * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
516 "sse2_umulsidi3". Use V1DI mode for operand 0.
517 ("mmx_psadbw"): Use V1DI mode for operand 0.
518 * config/i386/i386-modes.def (V1SI): New vector mode.
519 * config/i386/i386.c (struct builtin_description)
520 [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
521 (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
522 (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
523 (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
524 v1di_ftype_v8qi_v8qi type.
525 [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
527 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
528 __builtin_ia32_pmuludq]: Fix the mode of return value.
530 2008-03-15 Richard Guenther <rguenther@suse.de>
533 * tree-ssa-pre.c (bitmap_find_leader): Handle expression
536 2008-03-14 Bob Wilson <bob.wilson@acm.org>
538 * doc/invoke.texi (Option Summary, Xtensa Options): Document
539 -mserialize-volatile and -mno-serialize-volatile Xtensa options.
540 * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
541 unless TARGET_SERIALIZE_VOLATILE is enabled.
542 * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
543 * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
544 * config/xtensa/xtensa.opt (mserialize_volatile): New option.
546 2008-03-14 Richard Guenther <rguenther@suse.de>
548 PR tree-optimization/34172
549 * tree-flow.h (refs_may_alias_p): Declare.
550 (get_single_def_stmt): Likewise.
551 (get_single_def_stmt_from_phi): Likewise.
552 (get_single_def_stmt_with_phi): Likewise.
553 * tree-dfa.c (refs_may_alias_p): New function.
554 (get_single_def_stmt): Likewise.
555 (get_single_def_stmt_from_phi): Likewise.
556 (get_single_def_stmt_with_phi): Likewise.
557 * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
558 (vn_reference_lookup_1): New helper function.
559 (vn_reference_lookup): Walk the virtual use-def chain to
560 continue searching for a match if the def does not alias the
561 reference we are looking for.
563 2008-03-14 David Edelsohn <edelsohn@gnu.org>
565 * doc/install.texi (Binaries): Remove UCLA archive. Add HVCC
566 archive and Perzl. Update The Written Word listing.
568 2008-03-14 Richard Guenther <rguenther@suse.de>
570 PR tree-optimization/34043
571 PR tree-optimization/33989
572 * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
574 (bitmap_find_leader): Use extra argument to verify dominance
575 relationship inside a basic-block.
576 (can_PRE_operation): Add VIEW_CONVERT_EXPR.
577 (find_leader_in_sets): Adjust.
578 (create_component_ref_by_pieces): Take extra argument for
579 dominance check, handle lookup failures.
580 (find_or_generate_expression): Likewise.
581 (create_expression_by_pieces): Likewise.
582 (insert_into_preds_of_block): Adjust.
583 (create_value_expr_from): If asked for, verify all operands
584 are in the blocks AVAIL_OUT set.
585 (make_values_for_stmt): Check for SSA_NAMEs that are life
586 over an abnormal edge.
587 (compute_avail): Remove such check.
588 (do_SCCVN_insertion): New function.
589 (eliminate): If we do not find a leader suitable for replacement
590 insert a replacement expression from SCCVN if available.
591 * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
592 (struct vn_ssa_aux): Add needs_insertion flag.
593 * tree-ssa-sccvn.c (may_insert): New global flag.
594 (copy_reference_ops_from_ref): Value-number union member access
595 based on its size, not type and member if insertion is allowed.
596 (visit_reference_op_load): For a weak match from union type
597 punning lookup a view-converted value and insert a SSA_NAME
598 for that value if that is not found.
599 (visit_use): Make dumps shorter. Do not disallow value numbering
600 SSA_NAMEs that are life over an abnormal edge to constants.
601 (free_scc_vn): Release inserted SSA_NAMEs.
602 (run_scc_vn): New flag to specify whether insertion is allowed.
603 Process SSA_NAMEs in forward order.
604 * tree-ssa-loop-im.c (for_each_index): Handle invariant
605 ADDR_EXPRs inside VIEW_CONVERT_EXPR.
606 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
607 pointer type to/from integral types that do not change the
608 precision to regular conversions.
610 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
612 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
613 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
614 __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
615 __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
616 input arguments and the mode of return value. Built-in functions
617 that operate on whole 64-bit MMX register now use V1DI mode.
619 2008-03-13 Alon Dayan <alond@il.ibm.com>
620 Olga Golovanevsky <olga@il.ibm.com>
622 PR tree-optimization/35041
623 * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
624 to locate the right position in a statement.
626 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
630 * config/i386/xmmintrin.h: Change all static inline functions to
631 extern inline and add __gnu_inline__ attribute.
632 * config/i386/bmintrin.h: Ditto.
633 * config/i386/smmintrin.h: Ditto.
634 * config/i386/tmmintrin.h: Ditto.
635 * config/i386/mmintrin-common.h: Ditto.
636 * config/i386/ammintrin.h: Ditto.
637 * config/i386/emmintrin.h: Ditto.
638 * config/i386/pmmintrin.h: Ditto.
639 * config/i386/mmintrin.h: Ditto.
640 * config/i386/mm3dnow.h: Ditto.
642 2008-03-13 Jakub Jelinek <jakub@redhat.com>
645 * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
646 (lower_omp_2): New function.
647 (lower_omp_1, lower_omp): Rewritten.
649 2008-03-13 Danny Smith <dannysmith@users.sourceforge.net>
652 * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
653 with the phrase "Microsoft Windows compilers".
654 (Push/Pop Macro Pragmas): New subsection. Document
655 #pragma push_macro and pragma pop_macro.
657 2008-03-12 Paul Brook <paul@codesourcery.com>
659 * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
661 2008-03-12 Paul Brook <paul@codesourcery.com>
663 * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
664 (thumb2_alusi3_short): Exclude PLUS and MINUS.
665 (thumb2_addsi_shortim): Rename ...
666 (thumb2_addsi_short): ... to this. Allow register operands.
667 (thumb2_subsi_short): New pattern.
668 (thumb2_one_cmplsi2_short,
669 thumb2_negsi2_short): New patterns and peepholes.
671 2008-03-12 Paul Brook <paul@codesourcery.com>
673 * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
675 2008-03-12 Uros Bizjak <ubizjak@gmail.com>
677 * config/i386/i386.md (int_cond): New code iterator.
679 ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
680 sge, sgeu, sle and sleu expanders usign int_cond code iterator.
681 ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
682 sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
683 ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
684 bge, bgeu, ble and bleu expanders usign int_cond code iterator.
685 ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
686 bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
688 2008-03-12 Paul Brook <paul@codesourcery.com>
690 * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
691 instead of {arm,thumb}_compute_save_reg_mask.
692 (output_return_instruction): Ditto.
693 (thumb_unexpanded_epilogue): Ditto.
694 (thumb1_expand_prologue): Ditto.
695 (thumb1_output_function_prologue): Ditto.
696 (arm_set_return_address): Ditto.
697 (thumb_set_return_address): Ditto.
698 (arm_get_frame_offsets): Set offsets->saved_regs_mask. Push extra
699 regs to achieve stack alignment.
700 (thumb1_compute_save_reg_mask): Fix compiler warning.
701 (arm_output_epilogue): Use offsets->saved_regs_mask.
702 Adjust stack pointer by poping call clobered registers.
703 (arm_expand_prologue): Use offsets->saved_regs_mask.
704 Adjust stack pointer by pushing extra registers.
705 * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
707 2008-03-12 Paolo Bonzini <bonzini@gnu.org>
710 * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
711 conversion to the operands of a multiplication.
713 2008-03-12 Richard Guenther <rguenther@suse.de>
715 * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
716 (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
717 * timevar.def (TV_TREE_PHIPROP): Add.
718 * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
719 pass description. Use TV_TREE_PHIPROP.
720 * tree-ssa-forwprop.c: Remove phiprop code.
722 2008-03-12 Jakub Jelinek <jakub@redhat.com>
725 * omp-low.c (maybe_lookup_decl): Constify first argument.
726 (use_pointer_for_field): Change last argument from bool to
727 omp_context *. Disallow shared copy-in/out in nested
728 parallel if decl is shared in outer parallel too.
729 (build_outer_var_ref, scan_sharing_clauses,
730 lower_rec_input_clauses, lower_copyprivate_clauses,
731 lower_send_clauses, lower_send_shared_vars): Adjust callers.
733 2008-03-12 Victor Kaplansky <victork@il.ibm.com>
734 Ira Rosen <irar@il.ibm.com>
736 * tree-vectorizer.c (free_stmt_vec_info): New function.
737 (destroy_loop_vec_info): Move code to free_stmt_vec_info().
738 Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
739 * tree-vectorizer.h (free_stmt_vec_info): Declare.
740 * tree-vect-transform.c (vectorizable_conversion): Free
741 vec_oprnds0 if it was allocated.
742 (vect_permute_store_chain): Remove unused VECs.
743 (vectorizable_store): Free VECs that are allocated in the..
745 (vect_transform_strided_load, vectorizable_load): Likewise.
746 (vect_remove_stores): Simplify the code.
747 (vect_transform_loop): Move code to vect_remove_stores().
748 Call vect_remove_stores() and free_stmt_vec_info().
750 2008-03-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
752 * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
753 TARGET_HPUX. Revise comment.
754 (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
755 * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
756 Use sr4 variant of `be' instruction when not generating PIC code.
757 (attr_length_call): Adjust for above change.
759 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
761 * ipa-reference.c (static_execute): Remove module_statics_const and
762 associated setting code.
764 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
767 * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
768 predicate for operand 1.
769 (paritysi2_cmp): Use register_operand predicate for operand 2.
770 Use earlyclobber modifier for operand 1. Remove support for
772 (paritydi2_cmp): Use register_operand predicate for operand 3.
773 Use earlyclobber modifier for operand 1. Remove support for
776 2008-03-11 Paul Brook <paul@codesourcery.com>
777 Vladimir Prus <vladimir@codesourcery.com>
779 * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
780 (arm_compute_save_reg0_reg12_mask): Always
781 check if register 11 must be saved. Always safe hard frame pointer
782 when frame_pointer_needeed.
783 (arm_compute_save_reg_mask): Save IP and PC
784 only with apcs frames.
785 (arm_output_epilogue): Adjust Thumb2 codepath to
786 be also invoked and work for ARM non-apcs frames.
787 (arm_expand_prologue): Don't bother saving IP
788 for non-apcs frame, since it's not clobbered by
789 prologue code. Implement non-apcs frame
792 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
794 PR rtl-optimization/35281
795 * expr.c (convert_move): Use a new pseudo for the intermediate
796 from_mode->word_mode result.
798 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
800 * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
801 * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
802 * toplev.c (compile_file): Don't call it.
804 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
807 * expr.c (store_expr): Call emit_block_move if the mode
808 of "temp" RTX is BLKmode.
810 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
811 Richard Guenther <rguenther@suse.de>
813 PR tree-optimization/31358
814 * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
815 the step with a NULL_TREE.
816 * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
817 to sizetype if type is a pointer type.
818 (add_candidate_1): Don't convert the base and step to
819 the generic type if the orginal type is a pointer type.
820 (add_iv_value_candidates): Use sizetype for the step
821 if type is a pointer type.
822 (cand_value_at): Likewise.
823 * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
825 * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
826 Don't convert the tem affine to the type.
827 (add_elt_to_tree): Use sizetype for the step if a pointer.
828 Use POINTER_PLUS_EXPR for pointers.
829 (aff_combination_to_tree): Use sizetype for the step if a
832 2008-03-10 Vladimir Makarov <vmakarov@redhat.com>
834 * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
835 Remove commutativity hint.
837 2008-03-10 Jakub Jelinek <jakub@redhat.com>
841 * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
842 errorneous type. Check that v is a VAR_DECL.
845 * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
847 2008-03-10 H.J. Lu <hongjiu.lu@intel.com>
849 PR tree-optimization/35494
850 * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
851 may be overriden at link and run time.
853 2008-03-10 Richard Guenther <rguenther@suse.de>
855 PR tree-optimization/34677
856 * tree-ssa-pre.c (modify_expr_node_pool): Remove.
857 (poolify_tree): Likewise.
858 (modify_expr_template): Likewise.
859 (poolify_modify_stmt): Likewise.
860 (insert_fake_stores): Handle all component-ref style stores
861 in addition to INDIRECT_REF. Also handle complex types.
862 Do not poolify the inserted load.
863 (realify_fake_stores): Do not rebuild the tree but only
864 make it a SSA_NAME copy.
865 (init_pre): Remove initialzation of modify_expr_template.
866 Do not allocate modify_expr_node_pool.
867 (fini_pre): Do not free modify_expr_node_pool.
869 2008-03-10 Paul Brook <paul@codesourcery.com>
871 * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
874 2008-03-10 Paul Brook <paul@codesourcery.com>
875 Mark Shinwell <shinwell@codesourcery.com>
877 * config/arm/cortex-r4.md: New.
878 * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
880 * config/arm/arm.md: Include cortex-r4.md.
881 (insn): Add smmls, sdiv and udiv values.
882 (generic_sched): Don't use generic scheduling for Cortex-R4.
883 (arm_issue_rate): New function.
884 (TARGET_SCHED_ISSUE_RATE): Define.
886 2008-03-10 Sebastian Pop <sebastian.pop@amd.com>
888 * doc/invoke.texi (-ftree-loop-distribution): Add an example.
890 2008-03-10 Richard Guenther <rguenther@suse.de>
892 * tree-ssa-pre.c (get_sccvn_value): Simplify.
893 (compute_avail): Do not add stmt uses to AVAIL_OUT.
895 2008-03-10 Paolo Bonzini <bonzini@gnu.org>
897 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
900 2008-03-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
902 * c.opt (Wsynth): Deprecate.
903 * doc/invoke.texi (Option Summary, Warning Options): Document
904 -Wno-format-contains-nul.
906 2008-03-09 Uros Bizjak <ubizjak@gmail.com>
909 * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
910 ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
912 2008-03-09 Ira Rosen <irar@il.ibm.com>
914 * config/rs6000/rs6000.c (builtin_description): Rename vector
915 left shift operations.
916 * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
917 (altivec_vsl<VI_char>): Rename to ...
918 (ashl<mode>3): ... new name.
919 (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
921 (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
923 2008-03-08 Richard Guenther <rguenther@suse.de>
925 * coverage.h (tree_coverage_counter_addr): Declare.
926 * coverage.c (tree_coverage_counter_addr): New function.
927 * tree-profile.c (tree_gen_edge_profiler): Unshare counter
929 (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
930 (tree_gen_one_value_profiler): Likewise.
931 (tree_gen_ic_profiler): Likewise.
932 (tree_gen_average_profiler): Likewise.
933 (tree_gen_ior_profiler): Likewise.
935 2008-03-08 Richard Guenther <rguenther@suse.de>
937 * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
938 (vn_binary_op_insert): Likewise.
939 (vn_unary_op_lookup): Likewise.
940 (vn_unary_op_insert): Likewise.
941 (vn_nary_op_lookup): Declare.
942 (vn_nary_op_insert): Likewise.
943 * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
944 and binary hashes, use a single obstack for unary_op_pool
946 (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
947 a single struct vn_nary_op_s. Store tree code length and
948 a variable number of operands.
949 (struct vn_reference_op_struct): Remove unused op2.
950 (vn_reference_op_eq): Do not compare op2.
951 (vn_reference_op_compute_hash): Do not compute hash of op2.
952 (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
953 (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
954 with vn_nary_op_compute_hash.
955 (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
956 (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
958 (vn_unary_op_insert, vn_binary_op_insert): Replace with
960 (visit_unary_op): Call nary functions.
961 (visit_binary_op): Likewise.
962 (process_scc): Adjust for struct vn_tables_s changes.
963 (allocate_vn_table): Likewise.
964 (free_vn_table): Likewise.
965 * tree-vn.c (vn_add): Call nary functions.
966 (vn_lookup): Likewise.
968 2008-03-08 Jakub Jelinek <jakub@redhat.com>
971 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
972 wdst back after sync_compare_and_swapqhi_internal.
974 2008-03-08 Uros Bizjak <ubizjak@gmail.com>
977 * config/i386/i386-modes.def (V1DI): New vector mode.
978 * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
979 * config/i386/mmx.md (MMXMODEI8): New mode iterator.
981 (MMXMODE): Add V1DI mode.
982 (mmxvecsize): Change DI mode to V1DI mode.
983 ("mov<mode>): Use MMXMODEI8 mode iterator.
984 ("*mov<mode>_internal_rex64"): Ditto.
985 ("*mov<mode>_internal"): Ditto.
986 ("mmx_add<mode>3"): Ditto. Handle V1DImode for TARGET_SSE2.
987 ("mmx_sub<mode>3"): Ditto.
988 ("mmx_adddi3"): Remove insn pattern.
989 ("mmx_subdi3"): Ditto.
990 ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
991 ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
992 ("mmx_ashl<mode>3"): Ditto.
993 ("mmx_lshrdi3"): Remove insn pattern.
994 ("mmx_ashldi3"): Ditto.
995 * config/i386/i386.c (classify_argument): Handle V1DImode.
996 (function_arg_advance_32): Ditto.
997 (function_arg_32): Ditto.
998 (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
999 mmx_addv1di3 insn pattern.
1000 [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
1001 [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
1002 IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
1003 IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
1004 Remove definitions of built-in functions.
1005 (V1DI_type_node): New node.
1006 (v1di_ftype_v1di_int): Ditto.
1007 (v1di_ftype_v1di_v1di): Ditto.
1008 (v2si_ftype_v2si_si): Ditto.
1009 (v4hi_ftype_v4hi_di): Remove node.
1010 (v2si_ftype_v2si_di): Ditto.
1011 (ix86_init_mmx_sse_builtins): Handle V1DImode.
1012 (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
1013 Redefine builtins using def_builtin_const with *_ftype_*_int node.
1014 (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
1015 Add new builtins using def_builtin_const.
1016 (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
1017 IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
1018 IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
1019 * config/i386/mmintrin.h (__v1di): New typedef.
1020 (_mm_add_si64): Cast arguments to __v1di type.
1021 (_mm_sub_si64): Ditto.
1022 (_mm_sll_pi16): Cast __count to __v4hi type.
1023 (_mm_sll_pi32): Cast __count to __v2si type.
1024 (_mm_sll_si64): Cast arguments to __v1di type.
1025 (_mm_srl_pi16): Cast __count to __v4hi type.
1026 (_mm_srl_pi32): Cast __count to __v2si type.
1027 (_mm_srl_si64): Cast arguments to __v1di type.
1028 (_mm_sra_pi16): Cast __count to __v4hi type.
1029 (_mm_sra_pi32): Cast __count to __v2si type.
1030 (_mm_slli_pi16): Use __builtin_ia32_psllwi.
1031 (_mm_slli_pi32): Use __builtin_ia32_pslldi.
1032 (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
1033 (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
1034 (_mm_srli_pi32): Use __builtin_ia32_psrldi.
1035 (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
1036 (_mm_srai_pi16): Use __builtin_ia32_psrawi.
1037 (_mm_srai_pi32): Use __builtin_ia32_psradi.
1038 * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
1039 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1040 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1041 __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
1043 2008-03-07 Joseph Myers <joseph@codesourcery.com>
1045 * doc/include/texinfo.tex: Update to version 2008-03-07.10.
1047 2008-03-07 Peter Bergner <bergner@vnet.ibm.com>
1050 * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
1051 reg+const addressing for Altivec modes. Don't generate reg+reg
1052 addressing for TFmode or TDmode quantities.
1054 2008-03-07 Paolo Bonzini <bonzini@gnu.org>
1056 * c-common.c (vector_types_convertible_p): Call langhook
1057 instead of comptypes.
1059 2008-03-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1062 * tree-ssa-ccp.c (get_symbol_constant_value): Handle
1063 integral and scalar float variables which have a
1066 2008-03-06 Nathan Froyd <froydnj@codesourcery.com>
1068 * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
1069 dwarf_register_span hook when emitting unwind information for
1070 register-to-memory saves.
1071 * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
1072 (rs6000_frame_related): Remove call to spe_synthesize_frame.
1074 2008-03-06 Jakub Jelinek <jakub@redhat.com>
1076 * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
1077 for the same VAR_DECL.
1079 2008-03-06 Tom Tromey <tromey@redhat.com>
1082 * doc/standards.texi (Standards): Don't mention treelang.
1083 * doc/invoke.texi (Overall Options): Don't mention treelang.
1084 * doc/install.texi (Prerequisites): Don't mention bison or
1086 (Configuration): Don't mention treelang.
1087 (Building): Likewise.
1088 * doc/frontends.texi (G++ and GCC): Don't mention treelang.
1090 2008-03-06 Paolo Bonzini <bonzini@gnu.org>
1092 * simplify-rtx.c (simplify_subreg): Remove useless shifts from
1093 word-extractions out of a multi-word object.
1095 2008-03-06 Richard Guenther <rguenther@suse.de>
1097 * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
1098 * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
1099 result type and precision.
1100 * expr.c (get_inner_reference): Set unsignedp based on the result
1101 type of BIT_FIELD_REF.
1102 * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
1103 * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
1104 (try_instantiate_multiple_fields): Likewise. Use the correct type
1106 (sra_build_assignment): Likewise.
1107 (sra_build_elt_assignment): Likewise.
1108 (sra_explode_bitfield_assignment): Likewise.
1109 * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
1110 * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
1111 set BIT_FIELD_REF_UNSIGNED.
1112 (vectorizable_load): Likewise.
1114 2008-03-06 Andreas Krebbel <krebbel1@de.ibm.com>
1116 * cse.c (cse_extended_basic_block): Invalidate artificial defs
1119 2008-03-06 Richard Guenther <rguenther@suse.de>
1121 * alias.c (struct alias_set_entry): Move has_zero_child field
1122 to pack with alias_set.
1124 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
1126 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1129 2008-03-05 Ian Lance Taylor <iant@google.com>
1131 * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
1133 2008-03-05 Kenneth Zadeck <zadeck@naturalbridge.com>
1135 * fwprop.c (update_df): Support width and offset parameters of
1137 * ra-conflict.c (mark_reg_store, clear_reg_in_live,
1138 global_conflicts): Change DF_REF_EXTRACT to either
1139 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
1140 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1141 * df-scan.c (df_ref_record, df_defs_record,
1142 df_ref_create_structure, df_def_record_1, df_uses_record,
1143 df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
1144 df_bb_refs_collect, df_entry_block_defs_collect,
1145 df_exit_block_uses_collect): Support new width and offset fields.
1146 (ref_extract_pool): New storage pool.
1147 (df_free_ref): New function.
1148 (df_reg_chain_unlink, df_free_collection_rec,
1149 df_sort_and_compress_refs): Call df_free_ref.
1150 (df_ref_equal_p, df_ref_compare): Compare offset and width fields
1152 (df_ref_create_structure): Allocate df_ref_extract if offset and
1153 width fields are used.
1154 (df_def_record_1): Get offset and width from ZERO_EXTRACT.
1155 (df_uses_record): Get offset and width from ZERO_EXTRACT
1157 * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
1158 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
1159 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1160 * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
1161 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
1162 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1163 (df_ref_extract): New structure.
1164 (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
1165 (df_ref_create): Add width and offset parameters.
1167 2008-03-05 Richard Guenther <rguenther@suse.de>
1169 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1170 Use ranges_overlap_p.
1171 (offset_overlaps_with_access): Rename
1172 to ranges_overlap_p and move ...
1173 * tree-flow-inline.h (ranges_overlap_p): ... here.
1175 * tree.h (get_inner_reference, handled_component_p): Update
1178 * tree.h (record_component_aliases, get_alias_set,
1179 alias_sets_conflict_p, alias_sets_must_conflict_p,
1180 objects_must_conflict_p): Move declarations ...
1181 * alias.h (record_component_aliases, get_alias_set,
1182 alias_sets_conflict_p, alias_sets_must_conflict_p,
1183 objects_must_conflict_p): ... here.
1184 Include coretypes.h.
1185 * Makefile.in (ALIAS_H): Add coretypes.h dependency.
1187 2008-03-05 Aldy Hernandez <aldyh@redhat.com>
1189 * cfg.c: Include tree-flow.h.
1190 (remove_edge_raw): Call redirect_edge_var_map_clear.
1191 (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
1192 * tree-flow-inline.h (redirect_edge_var_map_def): New.
1193 (redirect_edge_var_map_result): New.
1194 * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
1195 PENDING_STMT use with redirect_edge_var_map_*.
1196 * tree-ssa.c (edge_var_maps): New definition.
1197 (redirect_edge_var_map_add): New.
1198 (redirect_edge_var_map_clear): New.
1199 (redirect_edge_var_map_dup): New.
1200 (redirect_edge_var_map_vector): New.
1201 (redirect_edge_var_map_destroy): New.
1202 (ssa_redirect_edge): Replace PENDING_STMT use with
1203 redirect_edge_var_map_*.
1204 (flush_pending_stmts): Same.
1205 (delete_tree_ssa): Destroy edge var map.
1206 * tree-flow.h (struct _edge_var_map): New.
1207 Define edge_var_map vector type.
1208 Declare redirect_edge_var_map_* prototypes.
1209 * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
1210 * tree-cfg.c (reinstall_phi_args): Replace
1211 PENDING_STMT use with redirect_edge_var_map_*.
1213 2008-03-05 Richard Guenther <rguenther@suse.de>
1215 PR tree-optimization/35472
1216 * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
1217 whose single use_stmt has a overlapping set of loaded and
1218 stored symbols as that use_stmt might be a noop assignment then.
1220 2008-03-05 Joel Sherrill <joel.sherrill@oarcorp.com>
1222 * gthr-rtems.h: Implement __gthread_mutex_destroy.
1224 2008-03-05 Richard Guenther <rguenther@suse.de>
1227 * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
1228 should be constants.
1229 * tree-cfg.c (verify_expr): Verify it.
1230 * fold-const.c (fold_truthop): Remove code generating
1231 BIT_FIELD_REFs of structure bases.
1232 (fold_binary): Likewise.
1233 (fold_ternary): Position and size of BIT_FIELD_REFs are
1234 always host integers.
1235 (make_bit_field_ref): Remove.
1236 (optimize_bit_field_compare): Remove.
1237 (all_ones_mask_p): Remove.
1239 2008-03-05 Gabor Loki <loki@gcc.gnu.org>
1242 * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
1243 (split_block_and_df_analyze): New. Split basic block and rebuild
1245 (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
1247 (split_pattern_seq): Likewise.
1248 (erase_matching_seqs): Likewise.
1249 (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
1251 2008-03-04 Geoff Keating <geoffk@apple.com>
1253 * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
1254 declaration and code.
1255 (tree_invalid_nonnegative_warnv_p): Likewise.
1257 2008-03-05 Serge Belyshev <belyshev@depni.sinp.msu.ru>
1259 * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
1260 examples. Truncate option-names then causing overfull hbox.
1262 2008-03-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1265 * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
1267 * configure: Rebuilt.
1269 2008-03-04 Rafael Espindola <espindola@google.com>
1271 * fold-const.c (tree_simple_nonnegative_warnv_p): New.
1272 (tree_unary_nonnegative_warnv_p): New.
1273 (tree_binary_nonnegative_warnv_p): New.
1274 (tree_single_nonnegative_warnv_p): New.
1275 (tree_invalid_nonnegative_warnv_p): New.
1276 (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
1278 2008-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1281 * opts.c (handle_option): Postpone 'unknown option' errors only for
1284 2008-03-04 H.J. Lu <hongjiu.lu@intel.com>
1287 * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
1290 2008-03-04 Rafael Espindola <espindola@google.com>
1292 * fold-const.c (tree_unary_nonzero_warnv_p): New.
1293 (tree_binary_nonzero_warnv_p): New.
1294 (tree_single_nonzero_warnv_p): New.
1295 (tree_expr_nonzero_warnv_p): Redefine using the new functions.
1297 2008-03-04 Uros Bizjak <ubizjak@gmail.com>
1300 * fold-const.c (fold_cond_expr_with_comparison): Prevent
1301 transformations for modes that have signed zeros.
1302 * ifcvt.c (noce_try_abs): Ditto.
1304 2008-03-04 Joseph Myers <joseph@codesourcery.com>
1306 * config/i386/i386.c (override_options): Force
1307 -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
1309 2008-03-04 Jan Hubicka <jh@suse.cz>
1312 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
1315 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
1317 * config/i386/i386.md (allocate_stack_worker_32): Use __chkstk
1318 label to probe the stack.
1320 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
1322 * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
1323 (__gthr_win32_mutex_destroy): Declare.
1324 [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
1325 __gthr_win32_mutex_destroy.
1326 * config/i386/gthr-win32.c (__gthr_win32_mutex_destroy): Define.
1328 2008-03-03 Jan Hubicka <jh@suse.cz>
1331 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
1332 aggressive on inlining cold calls.
1334 2008-03-03 Richard Guenther <rguenther@suse.de>
1336 * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
1337 struct copies into the expression table.
1338 (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
1339 (try_to_simplify): Likewise.
1340 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
1341 integral and pointer arguments which do not change the
1342 precision to NOP_EXPRs.
1343 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
1344 VIEW_CONVERT_EXPR case.
1346 2008-03-02 Sebastian Pop <sebastian.pop@amd.com>
1348 * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
1349 defined in a loop at depth 0 is invariant.
1350 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
1351 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
1352 be called at loop depth 0.
1354 2008-03-02 Jakub Jelinek <jakub@redhat.com>
1357 * gcc.c (process_command): Update copyright notice dates.
1358 * gcov.c (print_version): Likewise.
1359 * gcov-dump.c (print_version): Likewise.
1360 * mips-tfile.c (main): Likewise.
1361 * mips-tdump.c (main): Likewise.
1363 2008-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1366 * c-common.c (flag_permissive): Delete.
1367 (constant_expression_warnings): Check flags first.
1368 (constant_expression_error): New.
1369 * c-common.h (flag_permissive): Delete.
1370 (constant_expression_error): Declare.
1371 * flags.h (flag_permissive): Declare. Update description.
1372 * diagnostic.c (pedwarn): Update.
1374 * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
1375 (permissive_error_kind): New.
1376 * toplev.c (flag_permissive): Define. Update description.
1377 * toplev.h (permissive_error_kind): Declare.
1378 * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
1379 (pedwarn_c90): Use pedantic_warning_kind.
1380 * c-opts.c (c_common_post_options): flag_permissive does not affect
1381 flag_pedantic_errors.
1383 2008-03-02 Joseph Myers <joseph@codesourcery.com>
1385 * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
1386 __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
1387 __absvsi2, __absvDI2): Use unsigned arithmetic.
1389 2008-03-02 Andi Kleen <ak@suse.de>
1390 Richard Guenther <rguenther@suse.de>
1392 * struct-equiv.c: Remove file.
1393 * cfg_cleanup.c (condjump_equiv_p): Remove.
1394 * Makefile.in (OBJS-common): Remove struct-equiv.o.
1395 (struct-equiv.o): Remove rule.
1396 * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
1397 insns_match_p, struct_equiv_block_eq, struct_equiv_init,
1398 rtx_equiv_p, condjump_equiv_p): Remove prototypes.
1400 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
1402 * ifcvt.c (noce_process_if_block): Try to handle only the then
1403 block if the else block exists but isn't suitable.
1405 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
1408 * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
1409 * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
1410 regression from previous patch.
1412 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
1415 * gthr.h: Add __gthread_mutex_destroy as a function that must be
1417 * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
1418 * gthr-single.h (__gthread_mutex_destroy): Likewise.
1419 * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
1420 * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
1421 * gthr-nks.h (__gthread_mutex_destroy): Likewise.
1422 * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
1423 * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
1424 (__gthread_mutex_destroy_function): Rename to
1425 __gthread_mutex_destroy.
1426 * gthr-dce.h (__gthread_mutex_destroy): Call
1427 pthread_mutex_destroy.
1428 * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
1429 * gthr-posix.h (__gthread_mutex_destroy): Likewise.
1430 * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
1432 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
1434 * df-scan.c (df_ref_chain_change_bb): Simplify.
1435 (df_insn_change_bb): Add new_bb argument. Simplify. Call
1436 set_block_for_insn if there's any change.
1437 * df.h ((df_insn_change_bb): Fix prototype.
1438 * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
1439 df_insn_change_bb, don't call set_block_for_insn.
1440 * emit-rtl.c (reorder_insns): Likewise.
1441 * haifa-sched.c (move_insn): Likewise.
1443 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
1445 * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
1447 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
1449 * tree-flow-inline.h (next_readonly_imm_use): Return
1450 NULL_USE_OPERAND_P after the end.
1452 2008-03-01 Richard Guenther <rguenther@suse.de>
1454 PR tree-optimization/35411
1455 * tree-sra.c (sra_build_assignment): Split conversion to
1456 final type to a separate statement if we are not assigning
1459 2008-02-29 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1461 * fold-const.c (fold_convertible_p): Correct the logic to follow
1462 that in fold_convert().
1464 2008-02-29 Douglas Gregor <doug.gregor@gmail.com>
1467 * tree-inline.c (build_duplicate_type): When we make a
1468 duplicate type, make it unique in the canonical types system.
1470 2008-02-29 Tom Tromey <tromey@redhat.com>
1472 * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
1473 input_file_stack_history, input_file_stack_restored): Remove.
1474 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
1475 * input.h (struct file_stack): Remove.
1476 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
1477 (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
1479 * diagnostic.h (struct diagnostic_context) <last_module>: Change
1481 (diagnostic_last_module_changed): Add 'map' argument.
1482 (diagnostic_set_last_function): Likewise.
1483 * diagnostic.c (undiagnostic_report_current_module): Iterate using
1484 line map, not input_file_stack.
1485 * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
1487 2008-02-29 Paul Brook <paul@codesourcery.com>
1489 * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
1491 2008-02-29 Paul Brook <paul@codesourcery.com>
1493 * config/arm/ieee754-df.S (muldf3): Use RET macros.
1495 2008-02-29 Richard Guenther <rguenther@suse.de>
1497 * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
1499 * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
1500 value for comparing for a store match.
1501 (simplify_unary_expression): Do nothing for SSA_NAMEs.
1502 (try_to_simplify): Do not do a full-blown reference lookup.
1504 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
1506 * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
1507 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
1509 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
1511 2008-02-29 Sebastian Pop <sebastian.pop@amd.com>
1513 * tree-loop-linear.c (try_interchange_loops): Compare memory access
1514 strides against cache sizes.
1516 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
1518 * config/sh/sh.c (sh_secondary_reload): Handle loading a float
1521 2008-02-28 Richard Sandiford <rsandifo@nildram.co.uk>
1523 * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
1524 of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
1525 is smaller than the original promoted value.
1526 (simplify_subreg): If OP is a SUBREG, try to preserve its
1527 SUBREG_PROMOTED_VAR_P information.
1529 2008-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
1531 * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
1532 (VN_INFO_GET): Allocate new objects on the obstack.
1533 (init_scc_vn): Initialize the obstack. Use XDELETE instead of free
1534 for rpo_numbers_temp, for consistency.
1535 (free_scc_vn): Free the obstack.
1537 2008-02-28 Sebastian Pop <sebastian.pop@amd.com>
1539 * doc/invoke.texi: Document -ftree-loop-distribution.
1540 * tree-loop-distribution.c: New.
1541 * tree-pass.h (pass_loop_distribution): New.
1542 * graphds.h (struct graph): Add htab_t indices.
1543 * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
1544 * tree-vectorizer.c (rename_variables_in_loop): Extern.
1545 (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
1546 * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
1547 * tree-data-ref.c (debug_data_dependence_relations): New.
1548 (dump_data_dependence_relation): Also print data references.
1549 (free_data_ref): Extern.
1550 (same_access_functions): Moved...
1551 (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
1552 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
1553 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
1554 struct rdg_vertex_info, rdg_vertex_for_stmt): New.
1555 (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
1556 (stmts_from_loop): Skip LABEL_EXPR.
1557 (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
1559 (build_rdg): Initialize rdg->indices htab.
1560 (free_rdg, stores_from_loop, ref_base_address,
1561 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
1562 have_similar_memory_accesses_1, ref_base_address_1,
1563 remove_similar_memory_refs): New.
1564 * tree-data-ref.h: Depend on tree-chrec.h.
1565 (debug_data_dependence_relations, free_data_ref): Declared.
1566 (same_access_functions): ... here.
1567 (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
1569 (struct rdg_vertex): Add has_mem_write and has_mem_reads.
1570 (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
1571 RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
1572 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
1573 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
1574 rdg_vertex_for_stmt): Declared.
1575 (struct rdg_edge): Add level.
1577 (free_rdg, stores_from_loop, remove_similar_memory_refs,
1578 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
1580 (rdg_has_similar_memory_accesses): New.
1581 * tree-vect-analyze.c: Remove unused static decls.
1582 * lambda.h (dependence_level): New.
1583 * common.opt (ftree-loop-distribution): New.
1584 * tree-flow.h (mark_virtual_ops_in_bb,
1585 slpeel_tree_duplicate_loop_to_edge_cfg,
1586 rename_variables_in_loop): Declared.
1587 * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
1588 (OBJS-common): Add tree-loop-distribution.o.
1589 (tree-loop-distribution.o): New rule.
1590 * tree-cfg.c (mark_virtual_ops_in_bb): New.
1591 (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
1592 * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
1594 2008-02-28 Joseph Myers <joseph@codesourcery.com>
1597 * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
1598 other than structures and unions.
1600 2008-02-28 Richard Guenther <rguenther@suse.de>
1603 2008-02-26 Richard Guenther <rguenther@suse.de>
1605 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1606 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1607 (lookup_decl_from_uid): Declare.
1608 (remove_decl_from_map): Likewise.
1609 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1610 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1611 (decl_for_uid_map): New global hashtable mapping DECL_UID
1613 (init_ttree): Allocate it.
1614 (insert_decl_to_uid_decl_map): New helper function.
1615 (make_node_stat): Insert new decls into the map.
1616 (copy_node_stat): Likewise.
1617 (lookup_decl_from_uid): New function.
1618 (remove_decl_from_map): Likewise.
1619 (print_decl_for_uid_map_statistics): New helper.
1620 (dump_tree_statistics): Call it.
1622 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1623 (referenced_var_iterator): Adjust.
1624 (FOR_EACH_REFERENCED_VAR): Adjust.
1625 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1626 (num_referenced_vars): Adjust.
1627 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1628 (first_referenced_var): Remove.
1629 (end_referenced_vars_p): Likewise.
1630 (next_referenced_var): Likewise.
1631 (referenced_var_iterator_set): New helper function.
1632 * tree-dfa.c (referenced_var_lookup): Adjust.
1633 (referenced_var_check_and_insert): Likewise.
1634 (remove_referenced_var): Likewise.
1635 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1636 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1637 (verify_call_clobbering): Likewise.
1638 (verify_memory_partitions): Likewise.
1639 (init_tree_ssa): Allocate bitmap instead of hashtable for
1641 (delete_tree_ssa): Adjust.
1642 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1643 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1644 (compute_tag_properties): Likewise.
1645 (set_initial_properties): Likewise.
1646 (find_partition_for): Likewise.
1647 (update_reference_counts): Likewise.
1648 (dump_may_aliases_for): Likewise.
1649 * tree-ssa-operands.c (add_virtual_operand): Likewise.
1650 (add_call_clobber_ops): Likewise.
1651 (add_call_read_ops): Likewise.
1652 (get_asm_expr_operands): Likewise.
1653 * tree-into-ssa.c (dump_decl_set): Likewise.
1654 (update_ssa): Likewise.
1655 * tree-sra.c (scan_function): Likewise.
1656 (decide_instantiations): Likewise.
1657 (scalarize_parms): Likewise.
1658 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1659 (dsa_named_for): Likewise.
1660 * tree-ssa-structalias.c (update_alias_info): Likewise.
1661 (merge_smts_into): Likewise.
1663 2008-02-27 David Daney <ddaney@avtrex.com>
1666 * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
1667 * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
1668 * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
1669 * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
1670 * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
1672 2008-02-27 Uros Bizjak <ubizjak@gmail.com>
1675 * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
1676 (BUILT_IN_NEXTTOWARD): Remove.
1677 (BUILT_IN_NEXTTOWARDF): Ditto.
1678 * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
1679 alloca/strcpy/strcat. Remove commented-out code. Fix whitespace.
1681 2008-02-27 Tom Tromey <tromey@redhat.com>
1683 * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
1684 DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
1686 2008-02-27 Jan Beulich <jbeulich@novell.com>
1688 * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
1689 update the respective field on newdecl.
1691 2008-02-27 Revital Eres <eres@il.ibm.com>
1693 PR rtl-optimization/34999
1694 * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
1695 crossing edges that ends with a call insn.
1696 (fix_up_fall_thru_edges): Handle crossing edges that ends with a
1697 call insn and clear the EDGE_CROSSING flag of the crossing edge
1698 when fixing fallthru edges.
1700 2008-02-27 Richard Guenther <rguenther@suse.de>
1703 * fold-const.c (fold_unary): Return the correct argument,
1704 converted to the result type.
1706 2008-02-27 Richard Guenther <rguenther@suse.de>
1709 * expr.c (expand_expr_real_1): Assert on rotates that operate
1711 * fold-const.c (fold_binary): Use the types precision, not the
1712 bitsize of the mode if folding rotate expressions. Build rotates
1713 only for full modes.
1715 2008-02-27 Jakub Jelinek <jakub@redhat.com>
1717 * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
1719 * c-pragma.c (pragma_ns_name): New typedef.
1720 (registered_pp_pragmas): New variable.
1721 (c_pp_lookup_pragma): New function.
1722 (c_register_pragma_1): If flag_preprocess_only, do nothing
1723 for non-expanded pragmas, for expanded ones push pragma's
1724 namespace and name into registered_pp_pragmas vector.
1725 (c_invoke_pragma_handler): Register OpenMP pragmas even when
1726 flag_preprocess_only, don't register GCC pch_preprocess
1727 pragma if flag_preprocess_only.
1728 * c-opts.c (c_common_init): Call init_pragma even if
1729 flag_preprocess_only.
1730 * c-pragma.c (c_pp_lookup_pragma): New prototype.
1731 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
1732 cpp_register_pragma if flag_preprocess_only.
1734 2008-02-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1737 * c-parser.c (c_parser_translation_unit): Warn for empty
1738 translation unit, not empty source file.
1740 2008-02-26 Paul Brook <paul@codesourcery.com>
1742 * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
1743 operand for Thumb-2.
1744 * config/arm/arm.h (reg_class): Add CORE_REGS.
1745 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
1746 (BASE_REG_CLASS): Use CORE_REGS.
1747 (PREFERRED_RELOAD_CLASS): Add STACK_REG.
1748 (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
1749 (REGNO_OK_FOR_INDEX_P): Exclude SP.
1750 (ARM_REG_OK_FOR_INDEX_P): Always define. Use
1751 ARM_REGNO_OK_FOR_INDEX_P.
1752 (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
1753 * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
1754 arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
1755 (ldm/stm peepholes): Ditto.
1756 * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
1757 * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
1758 * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
1759 * config/arm/constraints.md: Enable "k" constraint on ARM.
1761 2008-02-27 Ben Elliston <bje@au.ibm.com>
1763 * config/rs6000/rs6000.c: Annotate cache line size field in all
1764 instances of struct processor_costs.
1766 2008-02-26 David Edelsohn <edelsohn@gnu.org>
1768 * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
1769 dse2, gcse, if_conversion, if_after_combine, if_after_reload,
1770 jump_bypass): New counters.
1771 * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
1772 * dce.c (gate_ud_dce): Same.
1773 (gate_fast_dce): Same.
1774 * dse.c (gate_dse1): New function.
1775 (gate_dse2): New function.
1776 (gate_dse): Merge results of new gate functions.
1777 * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
1778 (gate_handle_jump_bypass): Add dbg_cnt.
1779 (gate_handle_gcse): Add dbg_cnt.
1780 * ifcvt.c (gate_handle_if_conversion): Same.
1781 (gate_handle_if_after_combine): Same.
1782 (gate_handle_if_after_reload): Same.
1783 * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
1785 2008-02-26 Edmar Wienskoski <edmar@freescale.com>
1787 * config/rs6000/rs6000.c (processor_costs): Update e300 cache
1789 * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
1791 2008-02-26 Jason Merrill <jason@redhat.com>
1794 * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
1795 alone if it's the naming decl for the type's main variant.
1797 2008-02-26 Tom Tromey <tromey@redhat.com>
1799 * system.h (USE_MAPPED_LOCATION): Poison.
1800 * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
1801 * tree-cfg.c (make_cond_expr_edges): Remove old location code.
1802 (make_goto_expr_edges): Likewise.
1803 (remove_bb): Likewise.
1804 (execute_warn_function_return): Likewise.
1805 * basic-block.h (struct edge_def) <goto_locus>: Change type to
1807 * c-common.c (fname_decl): Remove old location code.
1808 * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
1810 * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
1812 (ASM_INPUT_SOURCE_LOCATION): Likewise.
1813 (gen_rtx_ASM_INPUT): Likewise.
1814 (gen_rtx_ASM_INPUT_loc): Likewise.
1815 (get_rtx_asm_OPERANDS): Remove.
1816 * cfglayout.c (insn_locators_alloc): Remove old location code.
1817 (set_curr_insn_source_location): Likewise.
1818 (curr_insn_locator): Likewise.
1819 * print-tree.c (print_node): Remove old location code.
1820 * tree-mudflap.c (mf_varname_tree): Remove old location code.
1821 (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
1822 * cfgexpand.c (expand_gimple_cond_expr): Don't use
1823 location_from_locus.
1824 (construct_exit_block): Remove old location code.
1825 * emit-rtl.c (force_next_line_note): Remove old location code.
1826 * profile.c (branch_prob): Remove old location code.
1827 * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
1828 LOC_LINE): Remove old-location variants.
1829 * langhooks.c (lhd_print_error_function): Remove old location
1831 * configure, config.in: Rebuilt.
1832 * configure.ac (--enable-mapped-location): Remove.
1833 * c-decl.c (c_init_decl_processing): Remove old location code.
1834 (finish_function): Likewise.
1835 * recog.c (decode_asm_operands): Remove old location code.
1836 * c-pch.c (c_common_read_pch): Remove old location code.
1837 * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
1839 * gimple-low.c (lower_function_body): Remove old location code.
1840 * toplev.c (unknown_location): Remove.
1841 (push_srcloc): Remove old-location variant.
1842 (process_options): Remove old location code.
1843 (lang_dependent_init): Likewise.
1844 * input.h (UNKNOWN_LOCATION): Move definition.
1845 (location_t): Undeprecate.
1846 (source_locus): Remove.
1847 (location_from_locus): Remove.
1848 (struct location_s): Remove.
1849 Remove all old-location code.
1850 (input_line, input_filename): Remove.
1851 * final.c (final_scan_insn): Remove old location code.
1852 * diagnostic.c (diagnostic_build_prefix): Remove
1853 USE_MAPPED_LOCATION test.
1854 * tree.h (gimple_stmt) <locus>: Now a location_t.
1855 (tree_exp) <locus>: Likewise.
1856 (DECL_IS_BUILTIN): Remove old-location variant.
1857 (annotate_with_file_line, annotate_with_locus): Likewise.
1858 (expr_locus, set_expr_locus): Update.
1859 * tree.c (build1_stat): Remove old location code.
1860 (last_annotated_node): Remove.
1861 (annotate_with_file_line): Remove old-location variant.
1862 (annotate_with_locus): Likewise.
1863 (expr_location): Remove old location code.
1864 (set_expr_location): Likewise.
1865 (expr_has_location): Likewise.
1866 (expr_locus): Likewise.
1867 (set_expr_locus): Likewise.
1868 (expr_filename): Don't use location_from_locus.
1869 (expr_lineno): Likewise.
1870 * rtl-error.c (location_for_asm): Remove old location code.
1871 * c-lex.c (cb_line_change): Remove old location code.
1872 (fe_file_change): Likewise.
1873 (cb_def_pragma): Likewise.
1874 (c_lex_with_flags): Likewise.
1875 * gengtype.c (do_typedef): Don't special-case location types.
1876 (define_location_structures): Remove.
1877 (main): Don't call define_location_structures.
1878 * tree-pretty-print.c (dump_implicit_edges): Remove old location
1881 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1884 * builtins.def (BUILT_IN_STDARG_START): Remove.
1885 * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
1886 * tree-stdarg.c (execute_optimize_stdarg): Likewise.
1887 * tree-inline.c (inline_forbidden_p_1): Likewise.
1889 2008-02-26 Richard Guenther <rguenther@suse.de>
1891 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1892 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1893 (lookup_decl_from_uid): Declare.
1894 (remove_decl_from_map): Likewise.
1895 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1896 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1897 (decl_for_uid_map): New global hashtable mapping DECL_UID
1899 (init_ttree): Allocate it.
1900 (insert_decl_to_uid_decl_map): New helper function.
1901 (make_node_stat): Insert new decls into the map.
1902 (copy_node_stat): Likewise.
1903 (lookup_decl_from_uid): New function.
1904 (remove_decl_from_map): Likewise.
1905 (print_decl_for_uid_map_statistics): New helper.
1906 (dump_tree_statistics): Call it.
1908 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1909 (referenced_var_iterator): Adjust.
1910 (FOR_EACH_REFERENCED_VAR): Adjust.
1911 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1912 (num_referenced_vars): Adjust.
1913 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1914 (first_referenced_var): Remove.
1915 (end_referenced_vars_p): Likewise.
1916 (next_referenced_var): Likewise.
1917 (referenced_var_iterator_set): New helper function.
1918 * tree-dfa.c (referenced_var_lookup): Adjust.
1919 (referenced_var_check_and_insert): Likewise.
1920 (remove_referenced_var): Likewise.
1921 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1922 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1923 (verify_call_clobbering): Likewise.
1924 (verify_memory_partitions): Likewise.
1925 (init_tree_ssa): Allocate bitmap instead of hashtable for
1927 (delete_tree_ssa): Adjust.
1928 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1929 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1930 (compute_tag_properties): Likewise.
1931 (set_initial_properties): Likewise.
1932 (find_partition_for): Likewise.
1933 (update_reference_counts): Likewise.
1934 (dump_may_aliases_for): Likewise.
1935 * tree-ssa-operands.c (add_virtual_operand): Likewise.
1936 (add_call_clobber_ops): Likewise.
1937 (add_call_read_ops): Likewise.
1938 (get_asm_expr_operands): Likewise.
1939 * tree-into-ssa.c (dump_decl_set): Likewise.
1940 (update_ssa): Likewise.
1941 * tree-sra.c (scan_function): Likewise.
1942 (decide_instantiations): Likewise.
1943 (scalarize_parms): Likewise.
1944 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1945 (dsa_named_for): Likewise.
1946 * tree-ssa-structalias.c (update_alias_info): Likewise.
1947 (merge_smts_into): Likewise.
1949 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1952 * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
1953 * c-opts.c (c_common_handle_option): Wall enables
1954 Wvolatile-register-var.
1955 * common.opt: Move Wvolatile-register-var to...
1958 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1960 * common.opt (Wlarger-than=): New.
1961 * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
1963 * opts.c (common_handle_option): Handle -Wlarger-than=.
1964 * optc-gen.awk: Likewise.
1965 * opth-gen.awk: Likewise.
1966 * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
1967 * tree-optimize.c (tree_rest_of_compilation): Likewise.
1969 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1971 * c-common.c (match_case_to_enum_1): Add appropriate
1972 OPT_W* parameter to warning.
1973 (c_do_switch_warnings): Likewise.
1974 * c-typeck.c (warning_init): Add one more parameter following
1976 (push_init_level): Update call to warning_init.
1977 (pop_init_level): Likewise.
1978 (add_pending_init): Likewise.
1979 (output_init_element: Likewise.
1981 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1984 * toplev.c (toplev_main): If there are warnings or error, print
1985 errors for ignored options.
1986 * opts.c (ignored_options): New static variable.
1987 (postpone_unknown_option_error): New.
1988 (print_ignored_options): New.
1989 (handle_option): Postpone errors for unknown -Wno-* options.
1990 * opts.h (print_ignored_options): Declare.
1992 2008-02-25 Richard Sandiford <rsandifo@nildram.co.uk>
1994 * config/mips/mips.md (loadgp_blockage, blockage): Change type
1997 2008-02-25 Richard Guenther <rguenther@suse.de>
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 Janne Blomqvist <jb@gcc.gnu.org>
2061 * doc/invoke.texi (-fcx-limited-range): Document new option.
2062 * toplev.c (process_options): Handle -fcx-fortran-rules.
2063 * common.opt: Add documentation for -fcx-fortran-rules.
2065 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
2068 * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
2069 actual behaviour and C99.
2071 2008-02-26 Ben Elliston <bje@au.ibm.com>
2073 * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
2074 (ASM_CPU_POWER6_SPEC): Likewise.
2075 (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
2076 Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
2077 (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
2079 2008-02-25 Richard Guenther <rguenther@suse.de>
2081 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2082 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2083 (lookup_decl_from_uid): Declare.
2084 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2085 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2086 (decl_for_uid_map): New global hashtable mapping DECL_UID
2088 (init_ttree): Allocate it.
2089 (insert_decl_to_uid_decl_map): New helper function.
2090 (make_node_stat): Insert new decls into the map.
2091 (copy_node_stat): Likewise.
2092 (lookup_decl_from_uid): New function.
2093 (print_decl_for_uid_map_statistics): New helper.
2094 (dump_tree_statistics): Call it.
2096 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2097 (referenced_var_iterator): Adjust.
2098 (FOR_EACH_REFERENCED_VAR): Adjust.
2099 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2100 (num_referenced_vars): Adjust.
2101 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2102 (first_referenced_var): Remove.
2103 (end_referenced_vars_p): Likewise.
2104 (next_referenced_var): Likewise.
2105 (referenced_var_iterator_set): New helper function.
2106 * tree-dfa.c (referenced_var_lookup): Adjust.
2107 (referenced_var_check_and_insert): Likewise.
2108 (remove_referenced_var): Likewise.
2109 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2110 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2111 (verify_call_clobbering): Likewise.
2112 (verify_memory_partitions): Likewise.
2113 (init_tree_ssa): Allocate bitmap instead of hashtable for
2115 (delete_tree_ssa): Adjust.
2116 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2117 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2118 (compute_tag_properties): Likewise.
2119 (set_initial_properties): Likewise.
2120 (find_partition_for): Likewise.
2121 (update_reference_counts): Likewise.
2122 (dump_may_aliases_for): Likewise.
2123 * tree-ssa-operands.c (add_virtual_operand): Likewise.
2124 (add_call_clobber_ops): Likewise.
2125 (add_call_read_ops): Likewise.
2126 (get_asm_expr_operands): Likewise.
2127 * tree-into-ssa.c (dump_decl_set): Likewise.
2128 (update_ssa): Likewise.
2129 * tree-sra.c (scan_function): Likewise.
2130 (decide_instantiations): Likewise.
2131 (scalarize_parms): Likewise.
2132 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2133 (dsa_named_for): Likewise.
2134 * tree-ssa-structalias.c (update_alias_info): Likewise.
2135 (merge_smts_into): Likewise.
2137 2008-02-25 Andreas Krebbel <krebbel1@de.ibm.com>
2140 * cse.c (cse_insn): Avoid creation of overlapping MEMs.
2141 * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
2142 * alias.h (nonoverlapping_memrefs_p): Likewise.
2144 2008-02-25 Jan Beulich <jbeulich@novell.com>
2146 * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
2147 * config/i386/netware-libgcc.exp: Add __bswap?i2,
2148 __emultls_get_address, __emultls_register_common,
2149 __floatundi?f, and _Unwind_GetIPInfo.
2150 * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
2151 Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
2152 (gen_regparm_prefix): Likewise.
2153 (i386_nlm_encode_section_info): Sync with
2154 config/i386/winnt.c:i386_pe_encode_section_info().
2155 (i386_nlm_maybe_mangle_decl_assembler_name): New.
2156 i386_nlm_mangle_decl_assembler_name): New.
2157 (netware_override_options): New.
2158 * config/i386/netware.h (netware_override_options): Declare.
2159 (OVERRIDE_OPTIONS): Re-define to netware_override_options.
2160 (i386_nlm_mangle_decl_assembler_name): Declare.
2161 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
2163 2008-02-25 Ben Elliston <bje@au.ibm.com>
2166 * c-decl.c (grokdeclarator): Remove unused local variables
2167 `typedef_type' and `type_as_written'.
2169 (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
2170 unused local variable `has_hot_blocks'.
2171 (fix_crossing_conditional_branches): Remove unused local variable
2174 2008-02-25 Uros Bizjak <ubizjak@gmail.com>
2177 * builtins.def (BUILT_IN_NAN): Define as c99 builtin
2178 using DEF_C99_BUILTIN.
2179 (BUILT_IN_NANF): Ditto.
2180 (BUILT_IN_NANL): Ditto.
2182 2008-02-25 Ayal Zaks <zaks@il.ibm.com>
2183 Revital Eres <eres@il.ibm.com>
2185 * modulo-sched.c (calculate_must_precede_follow): Address TODO
2186 regarding the order of two dependent insns in the same row.
2188 2008-02-25 Eric Botcazou <ebotcazou@adacore.com>
2190 * stor-layout.c (layout_decl): Do not bump the alignment of a
2191 bit-field to more than byte alignment if it is packed.
2193 2008-02-24 David Edelsohn <edelsohn@gnu.org>
2195 * config/rs6000/rs6000.c (processor_costs): Add cache costs for
2198 2008-02-24 Diego Novillo <dnovillo@google.com>
2200 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
2203 * tree-vrp.c (vrp_evaluate_conditional): With
2204 -Wtype-limits, emit a warning when comparing against a
2205 constant outside the natural range of OP0's type.
2206 * c.opt (Wtype-limits): Move ...
2207 * common.opt (Wtype-limits): ... here.
2209 2008-02-24 Edmar Wienskoski <edmar@freescale.com>
2211 * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
2212 * config/rs6000/e300c2c3.md: New file.
2213 * config/rs6000/rs6000.c (processor_costs): Add new costs for
2215 (rs6000_override_options): Add e300c2 and e300c3 cases to
2216 processor_target_table. Do not allow usage of Altivec or Spe
2217 with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
2218 (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
2219 * config/rs6000/rs6000.h (processor_type): Add
2220 PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
2221 (ASM_CPU_SPEC): Add e300c2 and e300c3.
2222 * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
2223 and ppce300c3. Include e300c2c3.md.
2225 2008-02-23 David Edelsohn <edelsohn@gnu.org>
2227 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
2228 instead of TARGET_STRICT_ALIGN.
2230 2008-02-23 Joseph Myers <joseph@codesourcery.com>
2232 * explow.c (memory_address): Assert that the generated address is
2235 2008-02-23 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2238 * config/darwin-protos.h: Add darwin_patch_builtins prototype.
2239 * config/darwin-ppc-ldouble-patch.def: New file.
2240 * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
2241 * config/rs6000/rs6000.c (rs6000_init_builtins): Call
2242 SUBTARGET_INIT_BUILTINS if defined.
2243 * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
2246 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
2249 * simplify-rtx.c (simplify_binary_operation_1): Add simplification
2250 of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
2252 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
2255 * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
2256 file" warning condtional on -Winvalid-PCH.
2258 2008-02-23 Daniel Jacobowitz <dan@codesourcery.com>
2260 * expmed.c (extract_bit_field): Always use adjust_address for MEM.
2262 2008-02-23 Uros Bizjak <ubizjak@gmail.com>
2266 * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
2267 prevent reload from using MMX registers.
2268 (*mov<mode>_internal): Ditto.
2269 (*movv2sf_internal_rex64): Ditto.
2270 (*movv2sf_internal): Ditto.
2272 2008-02-23 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2274 PR documentation/31569
2275 * doc/install.texi2html: Use makeinfo --no-number-sections.
2277 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
2279 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
2280 ensure that we can address an entire entity > 8 bytes. Don't
2281 generate reg+reg addressing for such data.
2283 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
2285 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
2286 strings when optimizing for size, unless the target cares about
2289 2008-02-22 Tom Tromey <tromey@redhat.com>
2291 * regclass.c (current_pass): Remove declaration.
2293 2008-02-22 Anatoly Sokolov <aesok@post.ru>
2295 * config/avr/libgcc.S (__RAMPZ__): Define.
2296 (__do_copy_data): Add for devices with 128KB code memory.
2298 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
2300 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
2302 * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
2304 2008-02-22 Hans-Peter Nilsson <hp@axis.com>
2306 * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
2309 2008-02-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2312 * c-typeck.c (build_binary_op): Warn about floating point
2313 comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
2315 2008-02-21 Janis Johnson <janis187@us.ibm.com>
2318 * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
2319 (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
2321 (rs6000_override_options): Set altivec_abi as default, not override,
2322 for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
2323 TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
2324 is used; use new member spe_abi.
2325 (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
2326 spe_abi and altivec_abi.
2328 2008-02-22 Tomas Bily <tbily@suse.cz>
2330 * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
2332 2008-02-21 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2335 * config.build (build_file_translate): Set to `CMD //c' only if
2337 * Makefile.in (build_file_translate): Improve comment.
2339 2008-02-21 Jan Hubicka <jh@suse.cz>
2341 * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
2342 PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
2343 PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
2345 2008-02-21 Michael Matz <matz@suse.de>
2348 * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
2350 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
2352 * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
2353 movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
2355 * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
2356 from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
2357 SSE_VEC_FLOAT_MODE_P as insn constraint.
2358 (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
2359 (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
2360 sse4a_movntdf using MODEF mode iterator.
2361 (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
2362 sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
2363 (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
2364 (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
2365 (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
2366 (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
2367 (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
2369 2008-02-21 Richard Guenther <rguenther@suse.de>
2371 * tree.def (PAREN_EXPR): New tree code.
2372 * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
2374 * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
2375 * expr.c (expand_expr_real_1): Likewise.
2376 * tree-inline.c (estimate_num_insns_1): Likewise.
2377 * tree-complex.c (expand_complex_move): Likewise.
2378 * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
2381 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
2384 * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
2386 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
2389 * config/sh/sh.md (jump_compact): Disable for crossing jumps.
2391 * config/sh/sh.c (find_barrier): Don't go past
2392 NOTE_INSN_SWITCH_TEXT_SECTIONS note.
2394 2008-02-20 DJ Delorie <dj@redhat.com>
2396 * config/h8300/h8300.md (insv): Force source operand to be a register.
2398 * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
2399 as a jump, not as a plain insn.
2401 2008-02-20 Seongbae Park <seongbae.park@gmail.com>
2403 * doc/invoke.texi (Warning Options): Add new option
2404 -Wframe-larger-than=.
2405 (-Wframe-larger-than): Document.
2407 * flags.h (warn_frame_larger_than, frame_larger_than_size):
2408 Add declarations for new option variables.
2410 * final.c (final_start_function): Check the frame size
2411 before emission and issue a Wframe-larger-than warning.
2413 * opts.c (warn_frame_larger_than, frame_larger_than_size):
2414 Add definitions for new option variables.
2415 (common_handle_option): Handle new option OPT_Wframe_larger_than_.
2417 * common.opt (Wframe-larger-than=): New option.
2419 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
2421 * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
2422 (<sse>_div<mode>3): Ditto.
2423 (<sse>_vmdiv<mode>3): Ditto.
2424 (<sse>_vmsqrt<mode>2): Ditto.
2425 (*smax<mode>3): Ditto.
2426 (sse5_frcz<mode>2): Ditto.
2427 (sse5_vmfrcz<mode>2): Ditto. Use TARGET_SSE5 instead of TARGET_ROUND
2430 2008-02-20 Richard Guenther <rguenther@suse.de>
2433 * builtins.c (validate_arg): If we want an INTEGER_TYPE,
2434 be happy with INTEGRAL_TYPE_P.
2436 2008-02-20 Richard Guenther <rguenther@suse.de>
2438 * fold-const.c (split_tree): Associate floatig-point expressions
2439 if flag_associative_math is set.
2441 2008-02-20 Richard Guenther <rguenther@suse.de>
2443 * tree.h (fold_real_zero_addition_p): Declare.
2444 * fold-const.c (fold_real_zero_addition_p): Export.
2445 * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
2446 floating-point operations with zero and one.
2448 2008-02-20 Paolo Bonzini <bonzini@gnu.org>
2450 * doc/install.texi: Correct references to CFLAGS, replacing them
2451 with BOOT_CFLAGS. Document flags used during bootstrap for
2454 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
2456 * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
2457 * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
2458 and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
2460 (smin<mode>3): Ditto from similar patterns.
2461 (smax<mode>3): Ditto.
2462 (*ieee_smin<mode>3): Ditto.
2463 (*ieee_smax<mode>3): Ditto.
2464 * config/i386/sse.md (sse): New mode attribute.
2465 (mov<mode>): Macroize expander from movv4sf and movv2df using
2466 SSEMODEF2P mode iterator.
2467 (<sse>_movnt<mode>): Ditto from similar patterns. Use
2468 SSE_VEC_FLOAT_MODE_P as insn constraint.
2469 (storent<mode>): Ditto.
2470 (storent<mode>): Macroize expander from storentsf and storentdf using
2471 MODEF mode iterator.
2472 (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
2473 mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
2474 (abs<mode>2): Ditto from similar patterns.
2475 (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
2476 (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
2477 (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
2478 (<sse>_vmsqrt<mode>2): Ditto.
2479 (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
2480 (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
2481 (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
2482 (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
2483 (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
2484 sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
2485 mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
2487 (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
2488 iterator and SSE_FLOAT_MODE_P as insn constraint.
2489 (<sse>_ucomi): Ditto from similar patterns.
2490 (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
2491 sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
2492 SSE_VEC_FLOAT_MODE_P as insn constraint.
2493 (vcond<mode>): Ditto from similar patterns.
2494 (and<mode>3, *and<mode>3): Ditto.
2495 (<sse>_nand<mode>3): Ditto.
2496 (ior<mode>3, *ior<mode>3): Ditto.
2497 (xor<mode>3, *xor<mode>3): Ditto.
2498 (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
2499 iterator and SSE_FLOAT_MODE_P as insn constraint.
2500 (*nand<mode>3): Ditto from similar patterns.
2501 (*ior<mode>3): Ditto.
2502 (*xor<mode>3): Ditto.
2504 2008-02-20 Ira Rosen <irar@il.ibm.com>
2506 * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
2507 vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
2508 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
2510 2008-02-19 Jan Hubicka <jh@suse.cz>
2512 * predict.c (tree_bb_level_predictions): Remove variable next
2513 mistakely introduced by previous commit.
2515 2008-02-19 Jan Hubicka <jh@suse.cz>
2517 * predict.c (predict_paths_leading_to): Rewrite.
2518 (predict_paths_for_bb): New.
2519 (tree_bb_level_predictions): Update call of predict_paths_leading_to.
2521 2008-02-19 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2524 * Makefile.in (build_file_translate): New.
2525 (gcc-vers.texi): Use it for translating $(abs_srcdir).
2526 * config.build (build_file_translate): Set to `CMD //c' on MinGW.
2527 * configure.ac (build_file_translate): Substitute it.
2528 * configure: Regenerate.
2530 2008-02-19 Jan Hubicka <jh@suse.cz>
2532 PR rtl-optimization/34408
2533 * see.c (see_def_extension_not_merged): Copy subreg so we don't have
2536 2008-02-19 Jan Hubicka <jh@suse.cz>
2539 * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
2542 2008-02-19 H.J. Lu <hongjiu.lu@intel.com>
2545 * config/i386/i386-modes.def: Revert the last DI alignment
2546 change until Ada people can look into it.
2548 2008-02-19 Nick Clifton <nickc@redhat.com>
2550 * opts.c (print_specific_help): Fix typo in --help text.
2552 2008-02-19 Jakub Jelinek <jakub@redhat.com>
2555 * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
2556 32-bit inline asm without asm alternatives for host GCC < 3.0.
2558 2008-02-19 Richard Guenther <rguenther@suse.de>
2560 PR tree-optimization/34989
2561 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
2562 Allow propagation to INDIRECT_REF if we can simplify only.
2564 2008-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2566 * c-common.c (warn_for_collisions_1): Use appropriate option when
2569 2008-02-19 Nick Clifton <nickc@redhat.com>
2572 * opts.c (undocumented_msg): Leave blank unless checking is enabled.
2573 (handle_options): Fix indentation.
2574 (print_filtered_help): If no language-specific options were
2575 displayed tell the user how to list all the options supported by
2576 the language's front-end.
2577 (print_specific_help): Fix indentation and remove duplicate line.
2578 (common_handle_option): Handle the -v option.
2579 For --help enable the display of undocumented options if the -v
2580 switch has been included on the command line.
2581 For --help= check for overlaps in the arguments between the option
2582 classes and the language names and issue a warning when they
2583 cannot be disambiguated.
2584 * c.opt (v): Pass on to the common option handler.
2586 2008-02-19 Revital Eres <eres@il.ibm.com>
2588 * modulo-sched.c (sms_schedule): Change dump message when
2589 create_ddg function fails.
2590 (try_scheduling_node_in_cycle): Rename row to cycle.
2591 (print_partial_schedule): Rename CYCLE to ROW.
2593 2008-02-19 Christian Bruel <christian.bruel@st.com>
2594 Zdenek Dvorak <ook@ucw.cz>
2596 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
2598 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
2601 * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
2602 (*x86_movdicc_0_m1_se): Ditto.
2604 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
2606 * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
2607 (CMPtype): Define as __gcc_CMPtype.
2608 * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
2609 (CMPtype): Define as __gcc_CMPtype.
2611 2008-02-19 Hans-Peter Nilsson <hp@axis.com>
2613 Support valgrind 3.3 for --enable-checking=valgrind.
2614 * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
2616 [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
2617 [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
2618 [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
2619 * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
2620 Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
2621 VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
2622 VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
2624 * ggc-zone.c: Similar.
2625 * ggc-page.c: Similar.
2627 2008-02-19 Paul Brook <paul@codesourcery.com>
2630 * config/arm/ieee754-df.S: Fix do_it typo.
2631 * config/arm/ieee754-sf.S: Fix do_it typo.
2633 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
2636 * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
2637 (OPTION_MASK_ISA_3DNOW_SET): Likewise.
2638 (OPTION_MASK_ISA_SSE_SET): Likewise.
2639 (OPTION_MASK_ISA_SSE2_SET): Likewise.
2640 (OPTION_MASK_ISA_SSE3_SET): Likewise.
2641 (OPTION_MASK_ISA_SSSE3_SET): Likewise.
2642 (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
2643 (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
2644 (OPTION_MASK_ISA_SSE4_SET): Likewise.
2645 (OPTION_MASK_ISA_SSE4A_SET): Likewise.
2646 (OPTION_MASK_ISA_SSE5_SET): Likewise.
2647 (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
2648 (OPTION_MASK_ISA_MMX_UNSET): Updated.
2649 (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
2650 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
2651 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
2652 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
2653 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
2654 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
2655 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
2656 (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
2657 (OPTION_MASK_ISA_SSE4): Removed.
2658 (ix86_handle_option): Turn on bits in ix86_isa_flags and
2659 ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
2660 (override_options): Don't turn on implied SSE/MMX bits in
2663 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
2665 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2668 2008-02-18 Joey Ye <joey.ye@intel.com>
2671 * tree-nested.c (insert_field_into_struct): Set type alignment
2672 to field alignment if the former is less than the latter.
2674 2008-02-18 Jakub Jelinek <jakub@redhat.com>
2676 * BASE-VER: Set to 4.4.0.
2678 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2680 * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
2681 * doc/cfg.texi: Likewise.
2682 * doc/extend.texi: Likewise.
2683 * doc/gty.texi: Likewise.
2684 * doc/invoke.texi: Likewise.
2685 * doc/loop.texi: Likewise.
2686 * doc/md.texi: Likewise.
2687 * doc/passes.texi: Likewise.
2688 * doc/rtl.texi: Likewise.
2689 * doc/sourcebuild.texi: Likewise.
2690 * doc/tm.texi: Likewise.
2691 * doc/tree-ssa.texi: Likewise.
2693 2008-02-17 Richard Guenther <rguenther@suse.de>
2696 * tree-complex.c (init_parameter_lattice_values): Handle parameters
2697 without default definition.
2699 2008-02-17 Richard Guenther <rguenther@suse.de>
2701 PR tree-optimization/35231
2702 * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
2705 2008-02-17 Uros Bizjak <ubizjak@gmail.com>
2708 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
2709 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
2710 libgcc_cmp_return mode.
2712 2008-02-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2715 * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
2717 2008-02-16 Ralf Corsepius <ralf.corsepius@rtems.org>
2719 * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
2722 2008-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2724 * doc/c-tree.texi: Use `@.' where appropriate.
2725 * doc/extend.texi: Likewise.
2726 * doc/install.texi: Likewise.
2727 * doc/invoke.texi: Likewise.
2728 * doc/loop.texi: Likewise.
2729 * doc/makefile.texi: Likewise.
2730 * doc/md.texi: Likewise.
2731 * doc/passes.texi: Likewise.
2732 * doc/standards.texi: Likewise.
2733 * doc/tm.texi: Likewise.
2735 2008-02-15 Jakub Jelinek <jakub@redhat.com>
2738 * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
2740 (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
2741 rather than in entry_bb.
2743 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
2745 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
2746 libgcc_cmp_return mode.
2748 2008-02-15 Jakub Jelinek <jakub@redhat.com>
2751 * tree-nested.c (convert_call_expr): Put FRAME.* vars into
2752 OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
2754 2008-02-15 Richard Guenther <rguenther@suse.de>
2755 Zdenek Dvorak <ook@ucw.cz>
2757 PR tree-optimization/35164
2758 * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
2759 * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
2760 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
2761 Only propagate addresses which do not have abnormal SSA_NAMEs
2764 2008-02-15 Joseph Myers <joseph@codesourcery.com>
2767 * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
2769 2008-02-15 Jan Hubicka <jh@suse.cz>
2772 * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
2774 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
2777 * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
2778 when calculating alignment_pad.
2780 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
2782 * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
2783 (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
2784 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
2785 and STACK_BOUNDARY define.
2787 2008-02-14 Danny Smith <dannysmith@users.sourceforge.net>
2789 PR preprocessor/35061
2790 * c-pragma.c (handle_pragma_pop_macro): Check that
2791 pushed_macro_table has been allocated.
2793 2008-02-14 Eric Botcazou <ebotcazou@adacore.com>
2796 * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
2797 (force_gimple_operand): Likewise.
2798 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
2799 for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
2800 Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
2801 (find_interesting_uses_address): Check addressability and alignment
2802 of the base expression only after substituting bases of IVs into it.
2804 2008-02-14 Michael Matz <matz@suse.de>
2807 * function.c (instantiate_virtual_regs_in_insn): Reload address
2808 before falling back to reloading the whole operand.
2810 2008-02-14 Andreas Krebbel <krebbel1@de.ibm.com>
2812 * config/s390/s390.c (s390_mainpool_start): Emit the pool
2813 before the first section switch note.
2815 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2817 * doc/bugreport.texi: Update copyright years.
2818 * doc/c-tree.texi: Likewise.
2819 * doc/cfg.texi: Likewise.
2820 * doc/cpp.texi: Likewise.
2821 * doc/cppinternals.texi: Likewise.
2822 * doc/fragments.texi: Likewise.
2823 * doc/frontends.texi: Likewise.
2824 * doc/gcc.texi: Likewise.
2825 * doc/gty.texi: Likewise.
2826 * doc/hostconfig.texi: Likewise.
2827 * doc/implement-c.texi: Likewise.
2828 * doc/libgcc.texi: Likewise.
2829 * doc/loop.texi: Likewise.
2830 * doc/makefile.texi: Likewise.
2831 * doc/options.texi: Likewise.
2832 * doc/passes.texi: Likewise.
2833 * doc/rtl.texi: Likewise.
2834 * doc/sourcebuild.texi: Likewise.
2835 * doc/standards.texi: Likewise.
2836 * doc/tree-ssa.texi: Likewise.
2837 * doc/trouble.texi: Likewise.
2839 * doc/extend.texi: Use @: or add comma where appropriate.
2840 * doc/invoke.texi: Likewise.
2841 * doc/tm.texi: Likewise.
2843 2008-02-14 Alan Modra <amodra@bigpond.net.au>
2846 * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
2849 2008-02-14 Jesper Nilsson <jesper.nilsson@axis.com>
2851 * doc/md.texi (clz, ctz): Add reference.
2852 * doc/rtl.texi (clz, ctz): Likewise.
2854 2008-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2857 * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
2860 2008-02-13 Andreas Krebbel <krebbel1@de.ibm.com>
2862 * config/s390/s390.c (struct constant_pool): New field
2863 emit_pool_after added.
2864 (s390_mainpool_start): Set the emit_pool_after flag according
2865 to the section switch notes.
2866 (s390_mainpool_finish): Consider emit_pool_after when emitting
2867 the literal pool at the end of the function.
2868 (s390_chunkify_start): Force literal pool splits at section
2871 2008-02-13 Michael Matz <matz@suse.de>
2874 * var-tracking.c (clobber_variable_part): Correctly traverse the
2877 2008-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2880 * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
2881 Add -fdump-ipa-inline.
2882 * tree-dump.c (dump_files): Remove tree-inlined dump.
2883 * tree-pass.h (tree_dump_index): Remove TDI_inlined.
2885 2008-02-12 Richard Guenther <rguenther@suse.de>
2887 PR tree-optimization/35171
2888 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
2891 2008-02-12 Richard Guenther <rguenther@suse.de>
2894 * fold-const.c (fold_widened_comparison): Use get_unwidened in
2895 value-preserving mode. Disallow final truncation.
2897 2008-02-12 Eric Botcazou <ebotcazou@adacore.com>
2900 * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
2901 code from here to...
2902 (force_gimple_operand): ...here.
2904 2008-02-12 Jakub Jelinek <jakub@redhat.com>
2907 * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
2908 non-compatible pointers.
2909 (generate_element_copy): If SRC and DST are RECORD_TYPEs with
2910 different FIELD_DECLs, try harder by comparing field offsets, sizes
2914 * function.c (match_asm_constraints_1): Don't replace the same input
2917 2008-02-12 Anatoly Sokolov <aesok@post.ru>
2919 * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
2920 * config/avr/avr.c (expand_prologue): Save RAMPZ register.
2921 (expand_epilogue): Restore RAMPZ register.
2922 * config/avr/avr.md (RAMPZ_ADDR): New constant.
2924 2008-02-11 Kai Tietz <kai.tietz@onevision.com>
2926 * config/i386/cygwin.asm: (__alloca): Correct calling
2927 convention and alignment.
2928 (__chkstk): Force 8 byte stack alignment.
2930 2008-02-11 Uros Bizjak <ubizjak@gmail.com>
2931 Richard Guenther <rguenther@suse.de>
2933 PR tree-optimization/33992
2934 * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
2935 the zero we compare against.
2937 2008-02-10 Danny Smith <dannysmith@users.sourceforge.net>
2940 * gthr-win32.h (__gthread_mutex_destroy_function): New function
2941 to CloseHandle after unlocking to prevent accumulation of handle
2944 2008-02-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2947 * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
2948 pic_label_operand source. Similarly, add a REG_LABEL_OPERAND note
2949 and update LABEL_NUSES during and after reload.
2951 2008-02-08 Steven Bosscher <stevenb.gcc@gmail.com>
2954 * combine.c (simplify_if_then_else): Make sure the comparison is
2955 against const0_rtx when simplifying to (abs x) or (neg (abs X)).
2957 2008-02-08 Richard Sandiford <rsandifo@nildram.co.uk>
2960 * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
2961 (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
2962 * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
2963 (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
2964 * tree.h (get_type_static_bounds): Likewise.
2966 2008-02-08 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2968 * doc/invoke.texi (Option Summary, C++ Dialect Options)
2969 (Objective-C and Objective-C++ Dialect Options, Warning Options):
2970 Make -Wfoo language annotations match what the compiler outputs.
2972 2008-02-08 Sa Liu <saliu@de.ibm.com>
2974 * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
2975 intrinsics spu_convts, spu_convtu, spu_convtf.
2976 * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
2978 2008-02-08 Hans-Peter Nilsson <hp@axis.com>
2980 * doc/extend.texi (Function Attributes) <noinline>: Mention
2981 asm ("") as method to keep calls.
2983 2008-02-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2986 * doc/options.texi (Options): Replace references to opts.sh with
2988 * opts-common.c: Likewise.
2989 * optc-gen.awk: Likewise.
2991 2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
2993 * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
2995 2008-02-07 Richard Henderson <rth@redhat.com>
2998 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
2999 EXPR_LIST for the REG_EQUAL instead of a comparison with a
3002 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
3004 PR tree-optimization/35085
3005 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
3006 for operand entry oe2 in addition to operand entry oe3 in order to
3007 expose more opportunities for vectorizer sum reduction.
3009 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3012 * Makefile.in (LIBS): Remove $(GMPLIBS).
3013 (cc1-dummy, cc1): Add $(GMPLIBS).
3015 2008-02-06 Jan Hubicka <jh@suse.cz>
3018 * i386.md (moddf_integer): Do not produce partial memory stalls for
3019 targets where it hurts.
3021 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
3024 * optabs.c (expand_float): Do not check for decimal modes when
3025 expanding unsigned integer through signed conversion.
3027 2008-02-06 Nick Clifton <nickc@redhat.com>
3029 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
3030 inside the clobber with a match_operand and duplicated operand
3031 number in the constraint.
3032 (ineqbranchsi): Delete redundant comment.
3034 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
3036 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
3037 builtin_define ("__USE_INIT_FINI__").
3038 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
3040 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
3042 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3044 PR documentation/30330
3045 * doc/invoke.texi (C++ Dialect Options)
3046 (Objective-C and Objective-C++ Dialect Options, Warning Options):
3047 For each warning option -Wfoo that allows -Wno-foo, ensure both
3048 -Wfoo and -Wno-foo are listed in the option index. Fix index
3049 entry of -Wswitch-default, index -Wnormalized= including the
3050 `=', and -Wlarger-than-@var{len} including @var{len}.
3052 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
3054 * config/i386/i386.md (floatunssisf2): Use
3055 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
3056 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
3057 Macroize expander using MODEF mode iterator.
3059 2008-02-05 Diego Novillo <dnovillo@google.com>
3061 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
3064 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
3066 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3069 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
3071 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
3074 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
3075 to indicate if a message should be generated.
3076 (init_cumulative_args): Updated.
3077 (function_value_32): Likewise.
3079 2008-02-05 Joseph Myers <joseph@codesourcery.com>
3081 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
3083 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
3086 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
3087 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
3089 2008-02-04 Diego Novillo <dnovillo@google.com>
3091 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
3094 * tree-vrp.c (vrp_evaluate_conditional): With
3095 -Wtype-limits, emit a warning when comparing against a
3096 constant outside the natural range of OP0's type.
3098 2008-02-04 Richard Guenther <rguenther@suse.de>
3101 * expr.c (count_type_elements): Give for unions instead of
3104 2008-02-04 Richard Guenther <rguenther@suse.de>
3107 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
3108 to TYPE_DOMAINs base type instead of using bitsizetype here.
3110 2008-02-03 Jason Merrill <jason@redhat.com>
3112 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
3114 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3117 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
3118 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
3119 (RS/6000 and PowerPC Options): Fix typos and markup.
3120 * doc/passes.texi (Tree-SSA passes): Likewise.
3122 2008-02-02 Michael Matz <matz@suse.de>
3125 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
3126 from record_last_reg_set_info.
3127 (record_last_reg_set_info): Take an RTX argument, iterate over all
3128 constituent hardregs.
3129 (record_last_set_info, record_opr_changes): Change calls to
3130 new signature or to record_last_reg_set_info_regno.
3132 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
3134 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
3136 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
3138 PR rtl-optimization/34773
3139 * reg-notes.def (EQUAL): Mention significance of combination of
3140 REG_EQUAL and REG_RETVAL.
3141 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
3142 insn that has a REG_RETVAL.
3144 2008-02-01 Roger Sayle <roger@eyesopen.com>
3147 * configure.ac (--enable-fixed-point): Disable unless explicitly
3149 * configure: Regenerate.
3151 2008-02-01 Richard Guenther <rguenther@suse.de>
3154 * invoke.texi (-finline-limit): Remove no longer true parts
3155 of the documentation. Note that there is no default value.
3157 2008-02-01 Andrew Pinski <pinskia@gmail.com>
3158 Mark Mitchell <mark@codesourcery.com>
3159 Ben Elliston <bje@au.ibm.com>
3162 * doc/extend.texi (Other Builtins): Document.
3164 2008-01-31 Tom Browder <tom.browder@gmail.com>
3166 * doc/c-tree.texi (Types): Fix grammar.
3167 (Expression trees): Ditto.
3168 * doc/passes.texi (Tree-SSA passes): Ditto.
3170 * doc/configterms.texi (Configure Terms): Fix typo.
3171 * doc/cpp.texi (Common Predefined Macros): Ditto.
3172 * doc/md.texi (Machine Constraints): Ditto.
3174 * doc/makefile.texi (Makefile): Add comma.
3176 2008-01-31 Tom Browder <tom.browder@gmail.com>
3177 Gerald Pfeifer <gerald@pfeifer.com>
3179 * doc/sourcebuild.texi (Front End): Remove references to CVS
3180 and CVSROOT/modules.
3181 (Texinfo Manuals): Replace reference to CVS by one to SVN.
3182 (Back End): Remove reference to CVS.
3184 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
3187 * config/mips/mips.c (gen_load_const_gp): New function, taking a
3189 (mips16_gp_pseudo_reg): ...here.
3190 * config/mips/mips.md (load_const_gp): Replace with...
3191 (load_const_gp_<mode>): ...this :P-based insn.
3193 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3195 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
3196 options. Minor fixes.
3197 (-std): Move reference to standards closer to where language
3198 standards are first mentioned.
3200 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
3202 PR rtl-optimization/34995
3203 * reload.c (alternative_allows_const_pool_ref): Take an rtx
3204 parameter and return a bool. If the rtx parameter is nonnull,
3205 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
3206 (find_reloads): Update call accordingly. Pass the new operand
3207 if it needed no address reloads, otherwise pass null.
3209 2008-01-30 Richard Henderson <rth@redhat.com>
3212 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
3213 for unbounded arrays.
3215 2008-01-30 Silvius Rus <rus@google.com>
3217 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
3219 2008-01-30 Jan Hubicka <jh@suse.cz>
3222 * i386.c (init_cumulative_args): Use real function declaration when
3225 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
3227 PR rtl-optimization/34998
3228 * global.c (build_insn_chain): Treat non-subreg_lowpart
3229 SUBREGs of pseudos as clobbering all the words covered by the
3230 SUBREG, not just all the bytes.
3231 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
3232 original df_ref rather than an extract parameter.
3233 (global_conflicts): Update call accordingly.
3235 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
3237 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
3238 the overflow check to make it easier to read.
3239 (__fixtfdi): Change the type of the ll member in union
3240 long_double to UDItype_x.
3242 2008-01-30 Jakub Jelinek <jakub@redhat.com>
3245 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
3246 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
3247 * tree-inline.c (fold_marked_statements): Call
3248 cgraph_update_edges_for_call_stmt if folding a call statement.
3249 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
3250 debug_generic_stmt calls, reset it back afterwards.
3253 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
3255 * c-typeck.c (build_external_ref): Don't pedwarn about
3256 static vars in current function's scope.
3258 2008-01-29 Joseph Myers <joseph@codesourcery.com>
3260 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
3262 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
3265 * ipa-struct-reorg.c: Fix spelling.
3266 * params.def: Ditto.
3268 2008-01-29 Richard Guenther <rguenther@suse.de>
3271 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
3273 * tree-inline.c (remap_type): Increment remapping_type_depth
3274 around remapping types.
3275 (copy_body_r): Only add referenced variables if they are referenced
3276 from code, not types.
3278 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
3289 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
3290 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
3292 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
3295 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
3296 pointer for tiny stack.
3298 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
3300 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
3302 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
3304 * config/vx-common.h: Fix typo in comment.
3306 2008-01-28 Ian Lance Taylor <iant@google.com>
3310 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
3311 coalesce pointers if they have different DECL_NO_TBAA_P values.
3312 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
3313 between variables with different DECL_NO_TBAA_P values.
3315 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
3318 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
3319 are not legitimate small data references on SPE targets.
3321 2008-01-28 David Daney <ddaney@avtrex.com>
3323 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
3325 2008-01-28 David Daney <ddaney@avtrex.com>
3327 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
3329 2008-01-27 Joseph Myers <joseph@codesourcery.com>
3331 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
3332 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
3333 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
3334 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
3335 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
3336 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
3337 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
3338 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
3340 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
3342 * basic-block.h (condjump_equiv_p): Fix comment.
3344 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
3346 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
3347 print_generic_stmt_indented): Fix comment.
3349 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
3351 * configure.ac (__stack_chk_fail): Add detecion for availability
3352 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
3353 * configure: Regenerate.
3355 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
3358 * final.c (output_addr_const): Handle TRUNCATE.
3360 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
3363 * tree-ssa-loop-ivopts.c (comp_cost): New type.
3364 (zero_cost, infinite_cost): New constants.
3365 (struct cost_pair): Change type of cost to comp_cost.
3366 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
3367 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
3369 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
3370 split_address_cost, ptr_difference_cost, difference_cost,
3371 get_computation_cost_at, get_computation_cost,
3372 determine_use_iv_cost_generic, determine_use_iv_cost_address,
3373 determine_use_iv_cost_condition, determine_use_iv_costs,
3374 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
3375 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
3376 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
3377 Change type of cost to comp_cost.
3378 (determine_iv_cost): Increase cost of non-original ivs, instead
3379 of decreasing the cost of original ones.
3380 (get_address_cost): Indicate the complexity of the addressing mode
3382 (try_add_cand_for): Prefer using ivs not specific to some object.
3383 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
3385 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
3386 Janis Johnson <janis187@us.ibm.com>
3389 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
3390 (TARGET_INSTANTIATE_DECLS): Likewise.
3391 * target.h (expand_to_rtl_hook): New target hook.
3392 (instantiate_decls): Likewise.
3393 * function.c (instantiate_decl): Make non-static. Rename to...
3394 (instantiate_decl_rtl): ... this.
3395 (instantiate_expr): Use instantiate_decl_rtl.
3396 (instantiate_decls_1): Likewise.
3397 (instantiate_decls): Likewise.
3398 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
3399 * function.h (instantiate_decl_rtl): Add prototype.
3400 * cfgexpand.c (target.h): New include.
3401 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
3402 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
3403 (TARGET_INSTANTIATE_DECLS): Likewise.
3404 (TARGET_INITIALIZER): New target hooks added.
3405 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
3407 * config/rs6000/rs6000.c (tree-flow.h): New include.
3408 (machine_function): Add sdmode_stack_slot field.
3409 (rs6000_alloc_sdmode_stack_slot): New function.
3410 (rs6000_instantiate_decls): Likewise.
3411 (rs6000_secondary_memory_needed_rtx): Likewise.
3412 (rs6000_check_sdmode): Likewise.
3413 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
3414 (TARGET_INSTANTIATE_DECLS): Likewise.
3415 (rs6000_hard_regno_mode_ok): Allow SDmode.
3416 (num_insns_constant): Likewise. Handle _Decimal32 constants.
3417 (rs6000_emit_move): Handle SDmode.
3418 (function_arg_advance): Likewise.
3419 (function_arg): Likewise.
3420 (rs6000_gimplify_va_arg): Likewise. Add special handling of
3421 SDmode var args for 32-bit compiles.
3422 (rs6000_secondary_reload_class): Handle SDmode.
3423 (rs6000_output_function_epilogue): Likewise.
3424 (rs6000_function_value): Simplify if statement.
3425 (rs6000_libcall_value): Likewise.
3426 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
3427 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
3428 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
3429 (movsd_hardfloat): New define_insn.
3430 (movsd_softfloat): Likewise.
3431 (movsd_store): Likewise.
3432 (movsd_load): Likewise.
3433 (extendsddd2): Likewise.
3434 (extendsdtd2): Likewise.
3435 (truncddsd2): Likewise.
3436 (movdd_hardfloat64): Fixup comment.
3437 (UNSPEC_MOVSD_LOAD): New constant.
3438 (UNSPEC_MOVSD_STORE): Likewise.
3440 2008-01-26 Jakub Jelinek <jakub@redhat.com>
3443 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
3445 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
3446 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
3447 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
3450 2008-01-26 David Edelsohn <edelsohn@gnu.org>
3453 * config.gcc: Separate AIX 5.3 from AIX 6.1.
3454 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3455 __LONGDOUBLE128 too.
3456 * config/rs6000/aix61.h: New file.
3458 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
3460 PR rtl-optimization/34959
3461 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
3462 popcount and parity rtxes the same mode as their operand.
3463 Truncate or extend the result to the return value's mode
3466 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
3469 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
3470 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
3471 to GOT_VERSION_REGNUM.
3472 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
3473 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
3474 * config/mips/mips.c (mips_emit_call_insn): New function.
3475 (mips_call_tls_get_addr): Call mips_expand_call directly.
3476 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
3478 (mips16_build_call_stub): Likewise. Return the call insn or null.
3479 (mips_expand_call): Update the call to mips16_build_call_stub
3480 accordingly and a remove redundant condition. Assert that MIPS16
3481 stubs do not use lazy binding. Use mips_emit_call_insn and return
3483 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
3485 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
3486 (mips_avoid_hazard): Remove hazard_set handling.
3487 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
3488 (UNSPEC_RESTORE_GP): ...this.
3489 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
3490 (FAKE_CALL_REGNO): Rename to...
3491 (GOT_VERSION_REGNUM): ...this.
3492 (type): Add "ghost" value. Add an associated insn reservation.
3493 (hazard_set): Remove.
3494 (exception_receiver): Rename to...
3495 (restore_gp): ...this and update the unspec identifier accordingly.
3496 (exception_receiver, nonlocal_got_receiver): New expanders.
3497 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
3498 FAKE_CALL_REGNO. Remove hazard_set attribute.
3499 (set_got_version, update_got_version): New patterns.
3501 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
3504 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
3506 2008-01-25 Joseph Myers <joseph@codesourcery.com>
3509 * doc/install.texi2html: Generate gcc-vers.texi.
3511 2008-01-25 DJ Delorie <dj@redhat.com>
3513 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3515 2008-01-25 Joseph Myers <joseph@codesourcery.com>
3517 * config/c4x: Remove directory.
3518 * config.gcc (crx-*, mt-*): Mark obsolete.
3519 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
3520 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
3521 sh-*-rtemscoff*): Remove cases.
3522 * defaults.h (C4X_FLOAT_FORMAT): Remove.
3523 * real.c (encode_c4x_single, decode_c4x_single,
3524 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
3525 c4x_extended_format): Remove.
3526 * real.h (c4x_single_format, c4x_extended_format): Remove.
3527 * doc/extend.texi (interrupt, naked): Remove mention of attributes
3529 (Pragmas): Remove comment about c4x pragmas.
3530 * doc/install.texi (c4x): Remove target-specific instructions.
3531 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
3532 * doc/md.texi (Machine Constraints): Remove C4x documentation.
3533 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
3534 refer to C4x source files as examples.
3535 (C4X_FLOAT_FORMAT): Remove documentation.
3537 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
3539 * config/bfin/bfin.c (override_options): Reorder tests so that
3540 flag_pic gets enabled for -msep-data.
3542 2008-01-25 Richard Guenther <rguenther@suse.de>
3545 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
3546 to its bitfield precision if required.
3548 2008-01-25 Jakub Jelinek <jakub@redhat.com>
3551 * tree-nested.c (walk_omp_for): New function.
3552 (convert_nonlocal_reference, convert_local_reference): Call
3553 walk_omp_for on OMP_FOR.
3554 (convert_call_expr): Call walk_body on OMP_FOR's
3555 OMP_FOR_PRE_INIT_BODY.
3557 2008-01-25 Richard Guenther <rguenther@suse.de>
3559 PR tree-optimization/34966
3560 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
3561 default defs and PHI_NODEs we have to insert after the
3564 2008-01-24 Nick Clifton <nickc@redhat.com>
3566 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
3567 Provide a default definition.
3568 (LIBGCC2_UNITS_PER_WORD): Likewise.
3570 * config/stormy16/stormy16.c: Include df.h for the prototype
3571 for df_regs_ever_live_p.
3572 (xstormy16_expand_builtin_va_start): Convert the stack offset
3573 into a component_ref and then use POINTER_PLUS_EXPR to add it
3574 to the incoming_virtual_args_rtx.
3575 (xstormy16_gimplify_va_arg_expr): Rename to
3576 xstormy16_gimplify_va_arg_expr.
3577 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
3578 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
3579 xstormy16_gimplify_va_arg_expr.
3580 Fix up some formatting issues.
3582 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
3583 Move to predicates.md.
3584 (xs_hi_general_operand): Likewise.
3585 (xs_hi_nonmemory_operand): Likewise.
3586 * config/stormy16/predicates.md:
3587 (xstormy16_carry_plus_operand): New predicate.
3588 (xs_hi_general_operand): New predicate.
3589 (xs_hi_nonmemory_operand): New predicate.
3590 * config/stormy16/stormy16-protos.h:
3591 (xstormy16_carry_plus_operand): Delete prototype.
3592 (xs_hi_general_operand): Likewise.
3593 (xs_hi_nonmemory_operand): Likewise.
3595 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
3596 modifiers as they are no longer needed and they can trigger
3597 reload spill failures.
3599 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
3600 with a match_operand in order to help reload.
3602 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
3603 constraint with 'e' for the 8th alternative as this version of
3604 the mov.w instruction only accepts the lower 8 registers.
3606 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
3609 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
3610 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
3613 2008-01-25 Jakub Jelinek <jakub@redhat.com>
3616 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
3618 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
3620 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
3622 (remove_structure): Update allocations list before removing structure.
3624 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
3626 * ipa-struct-reorg.c (is_safe_cond_expr,
3627 create_new_stmts_for_cond_expr): Use integer_zerop function,
3628 that recognize not only zero-pointer, but zero-integer too.
3630 2008-01-25 Ben Elliston <bje@au.ibm.com>
3633 * fixproto: Escape "." in sed expression that strips leading "./".
3635 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
3638 * gcc.c (SWITCH_OK): Removed.
3639 (SWITCH_LIVE): Changed to bit.
3640 (SWITCH_FALSE): Likewise.
3641 (SWITCH_IGNORE): Likewise.
3642 (switchstr): Change live_cond to unsigned int.
3643 (process_command): Replace SWITCH_OK with 0.
3644 (do_self_spec): Likewise.
3645 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
3646 (give_switch): Likewise.
3647 (used_arg): Likewise.
3648 (do_spec_1): Set the SWITCH_IGNORE bit.
3649 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
3650 bits. Set the SWITCH_LIVE bit.
3652 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
3654 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
3656 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
3658 PR tree-optimization/34472
3659 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
3660 parameter to a "bool *" and set *DATA to false if there is
3661 an unsafe access. Do not delete the structure here.
3662 (check_cond_exprs): Delete it here instead.
3663 (check_cond_exprs, exclude_cold_structs): Do not increase
3664 I when removing a structure.
3666 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
3669 * config/i386/i386.c (ix86_expand_vector_init): Consider only
3670 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
3672 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
3675 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
3676 a fixed vector for stack.
3678 2008-01-24 Ben Elliston <bje@au.ibm.com>
3681 * doc/gcc.texi (Software development): Add a direntry for g++.
3683 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
3685 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
3686 stale and straggling -fforce-addr comments above.
3688 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
3690 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
3691 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
3693 2008-01-23 Michael Matz <matz@suse.de>
3696 * dwarf2out.c (force_type_die): Use modified_type_die instead of
3699 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
3701 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
3704 2008-01-23 Anatoly Sokolov <aesok@post.ru>
3706 * config/avr/avr.c (avr_current_arch): New variable.
3707 (avr_arch_types): Add 'avr31' and 'avr51' entries.
3708 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
3709 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
3710 (avr_override_options): Init 'avr_current_arch'.
3711 (base_arch_s): Move from here...
3712 * config/avr/avr.h (base_arch_s): ... here. Add new members
3713 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
3714 'mega' to 'have_jmp_call'.
3715 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
3716 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
3718 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
3720 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
3721 MULTILIB_MATCHES): (Ditto.).
3723 2008-01-23 Richard Guenther <rguenther@suse.de>
3726 * cgraphunit.c (cgraph_reset_node): Always mark the node
3727 not reachable if it is not queued already.
3729 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
3731 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
3732 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
3733 (cputype_selected): New static variable.
3734 (bfin_handle_option): Set it if -mcpu is used.
3735 (override_option): Select default set of workarounds if no cpu type
3736 selected on the command line.
3737 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
3739 From Michael Frysinger <michael.frysinger@analog.com>
3740 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
3741 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
3743 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
3744 for bf547, bf523, bf524, and bf526.
3745 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
3747 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3748 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
3749 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
3750 __ADSPBF547__ and __ADSPBF54x__ for bf547.
3751 * doc/invoke.texi (Blackfin Options): Document that
3752 -mcpu now accept bf547, bf523, bf524, and bf526.
3754 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
3756 PR rtl-optimization/34628
3757 * combine.c (try_combine): Stop and undo after the first combination
3758 if an autoincrement side-effect on the first insn has effectively
3761 2008-01-22 David Edelsohn <edelsohn@gnu.org>
3764 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
3765 Offset addresses are not valid for Altivec or paired float modes.
3767 2008-01-22 Jakub Jelinek <jakub@redhat.com>
3770 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
3771 if DECL_INITIAL (decl) is error_mark_node.
3774 * c-common.c (handle_vector_size_attribute): Only allow
3775 integral, scalar float and fixed point types. Handle OFFSET_TYPE
3776 the same way as pointer, array etc. types.
3777 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
3780 * tree.c (build_type_attribute_qual_variant): Call
3781 build_qualified_type if attributes are equal, but quals are not.
3783 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3786 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
3787 * flags.h (warn_strict_aliasing): Remove.
3788 (warn_strict_overflow): Remove.
3789 * opts.c (warn_strict_aliasing): Remove.
3790 (warn_strict_overflow): Remove.
3791 * c-opts.c (c_common_handle_option): -Wall only sets
3792 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
3793 (c_common_post_options): Give default values to -Wstrict-aliasing
3794 and -Wstrict-overflow if they are uninitialized.
3795 * common.opt (Wstrict-aliasing): Specify Var and Init.
3796 (Wstrict-overflow): Likewise.
3798 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3800 PR rtl-optimization/26854
3801 PR rtl-optimization/34400
3802 PR rtl-optimization/34884
3803 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
3805 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
3806 (df_rd_bb_info.expanded_lr_out): Deleted
3807 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
3808 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
3809 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
3810 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
3811 Removed code to allocate, initialize or free expanded_lr_out.
3812 (df_rd_bb_local_compute_process_def): Restructured to make more
3814 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
3815 sets if the sets are being trimmed.
3817 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
3820 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
3821 (as_vers): Likewise.
3822 * configure: Regenerated.
3824 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3827 * tree-pass.h (pass_build_alias): New pass.
3828 * tree-ssa-alias.c (gate_build_alias): New.
3829 (pass_build_alias): New.
3830 * passes.c (init_optimization_passes): Add pass_build_alias after
3831 pass_create_structure_vars.
3833 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
3835 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
3836 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
3837 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
3838 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
3839 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
3840 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
3841 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
3842 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
3843 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
3844 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
3845 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
3846 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
3847 * config/s390/s390.md (FP_ALL): New mode iterator.
3848 (_d): New mode attribute.
3849 ("*signbit<mode>2>"): Changed mode of first operand.
3850 ("isinf<mode>2"): Changed mode of first operand.
3851 ("*TDC_insn"): Adaptation for DFP modes.
3853 2008-01-22 Ben Elliston <bje@au.ibm.com>
3855 * tree.c (check_qualified_type): Improve function description.
3857 2008-01-21 Jason Merrill <jason@redhat.com>
3860 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
3861 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
3864 2008-01-21 DJ Delorie <dj@redhat.com>
3866 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
3869 2008-01-21 Richard Guenther <rguenther@suse.de>
3872 * tree-cfg.c (verify_expr): Allow all invariant expressions
3873 instead of just constant class ones as reference argument.
3874 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
3875 like any other constant.
3876 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
3878 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
3880 * regmove.c (fixup_match_1): Update call crossed frequencies.
3882 2008-01-21 Richard Guenther <rguenther@suse.de>
3885 * tree-inline.c (setup_one_parameter): Deal with mismatched
3886 types using a VIEW_CONVERT_EXPR.
3888 2008-01-21 Alon Dayan <alond@il.ibm.com>
3889 Olga Golovanevsky <olga@il.ibm.com>
3891 PR tree-optimization/34701
3892 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
3893 when the structure size is not a power of 2.
3895 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
3897 * doc/install.texi: Add doc for --enable-checking=df.
3899 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
3901 PR rtl-optimization/34808
3902 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
3904 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
3906 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
3909 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3911 PR rtl-optimization/26854
3912 PR rtl-optimization/34400
3913 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
3915 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
3916 (df_rd_bb_info.expanded_lr_out): New.
3917 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
3918 * loop_iv.c (iv_analysis_loop_init): Ditto.
3919 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
3920 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
3921 Added code to allocate, initialize or free expanded_lr_out.
3922 (df_rd_bb_local_compute_process_def): Restructured to make
3923 more understandable.
3924 (df_rd_confluence_n): Add code to do nothing with fake edges and
3925 code to no apply invalidate_by_call sets if the sets are being trimmed.
3926 (df_lr_local_finalize): Renamed to df_lr_finalize.
3927 (df_live_local_finalize): Renamed to df_live_finalize.
3929 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
3932 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
3933 deciding whether to use reciprocal instructions.
3935 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
3937 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
3938 dwarf2out_note_section_used if cold_text_section is NULL.
3940 2008-01-19 Jakub Jelinek <jakub@redhat.com>
3942 PR gcov-profile/34610
3943 * tree-cfg.c (make_edges): Mark both outgoing edges from
3944 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
3945 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
3946 from OMP_FOR and OMP_CONTINUE outgoing edges.
3948 * tree-profile.c (tree_profiling): Return early if
3949 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
3951 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
3952 from cfun to child_cfun.
3953 * function.h (struct function): Add after_tree_profile bit.
3955 2008-01-19 Anatoly Sokolov <aesok@post.ru>
3957 * config/avr/avr.S (_exit): Disable interrupt.
3959 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
3960 Steven Bosscher <stevenb.gcc@gmail.com>
3962 PR rtl-optimization/26854
3963 PR rtl-optimization/34400
3964 * df-problems.c (df_live_scratch): New scratch bitmap.
3965 (df_live_alloc): Allocate df_live_scratch when doing df_live.
3966 (df_live_reset): Clear the proper bitmaps.
3967 (df_live_bb_local_compute): Only process the artificial defs once
3968 since the order is not important.
3969 (df_live_init): Init the df_live sets only with the variables
3970 found live by df_lr.
3971 (df_live_transfer_function): Use the df_lr sets to prune the
3972 df_live sets as they are being computed.
3973 (df_live_free): Free df_live_scratch.
3975 2008-01-18 Ian Lance Taylor <iant@google.com>
3977 * common.opt: Add fmerge-debug-strings.
3978 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
3979 flag_merge_debug_strings rather than flag_merge_constants.
3980 * doc/invoke.texi (Option Summary): Mention
3981 -fmerge-debug-strings.
3982 (Debugging Options): Document -fmerge-debug-strings.
3984 2008-01-18 Ian Lance Taylor <iant@google.com>
3987 * tree.h (DECL_IS_OPERATOR_NEW): Define.
3988 (struct tree_function_decl): Add new field operator_new_flag.
3989 * tree-inline.c (expand_call_inline): When inlining a call to
3990 operator new, force the return value to go into a variable, and
3991 set DECL_NO_TBAA_P on that variable.
3992 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
3994 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
3997 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
3998 DWARF2_DEBUGGING_INFO.
3999 (dwarf2out_note_section_used): Ditto. Add prototype.
4000 (have_multiple_function_sections, text_section_used,
4001 cold_text_section_used, *cold_text_sections): Move declarations
4004 2008-01-17 Bob Wilson <bob.wilson@acm.org>
4006 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
4007 field and add signal_ra.
4008 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
4009 assignments to frame state pc. Move end of stack check after
4010 MD_FALLBACK_FRAME_STATE_FOR.
4011 (uw_update_context_1): Use frame state signal_regs if set, instead
4012 of checking signal_frame flag.
4013 (uw_update_context): Use frame state signal_ra if set.
4014 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
4015 * config/xtensa/linux-unwind.h: New file.
4017 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
4019 * modulo-sched.c (get_sched_window): Fix comment typo.
4021 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
4023 PR tree-optimization/34648
4024 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
4026 2008-01-17 Anatoly Sokolov <aesok@post.ru>
4028 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
4029 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
4031 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
4033 PR rtl-optimization/34400
4034 * df-core.c (df_worklist_dataflow_overeager,
4035 df_worklist_dataflow_doublequeue): New functions.
4036 (df_worklist_dataflow): Two different worklist solvers.
4037 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
4040 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
4043 * doc/invoke.texi: Document the dependence on pthread for fopenmp
4044 and ftree-parallelize-loops.
4046 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
4048 PR rtl-optimization/34826
4049 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
4051 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
4053 * global.c (find_reg): Mark the eh regs as used if necessary.
4054 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
4055 * ra.h (struct allocno): no_eh_reg field added. Changed
4056 no_stack_reg type to bitfield.
4058 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
4060 * tree.c (substitute_in_expr): Add missing 'break'.
4062 2008-01-17 Richard Guenther <rguenther@suse.de>
4064 PR tree-optimization/34825
4065 * tree-ssa-math-opts.c (is_division_by): Do not recognize
4066 x / x as division to handle.
4068 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4070 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
4071 "-pthread" is specified.
4072 * pa-hpux11.h (LIB_SPEC): Likewise.
4074 2008-01-16 Janis Johnson <janis187@us.ibm.com>
4075 Peter Bergner <bergner@vnet.ibm.com>
4077 PR rtl-optimization/33796
4078 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
4080 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4082 PR libgfortran/34699
4083 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
4085 * pa-hpux10.h (LINK_SPEC): Likewise.
4086 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
4088 2008-01-16 Richard Guenther <rguenther@suse.de>
4091 * fold-const.c (fold_convert_const_int_from_int): Do not
4092 set overflow if that occured only because of a sign extension
4093 change when converting from/to a sizetype with the same
4094 precision and signedness.
4096 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
4099 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
4100 location address to the correct place. Update copyright year.
4102 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
4104 * lambda-code.c (lambda_transform_legal_p): Handle the case of
4105 no dependences in the dependence_relations vector.
4107 2008-01-16 Jan Hubicka <jh@suse.cz>
4109 PR rtl-optimization/31396
4110 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
4111 * cfg.c (dump_reg_info): Print it.
4112 * regs.h (struct reg_info_t): add freq_calls_crossed.
4113 (REG_FREQ_CALLS_CROSSED): New macro.
4114 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
4115 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
4116 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
4117 regmove_optimize): Update call crossed frequencies.
4118 * local-alloc.c (struct qty): Add freq_calls_crossed.
4119 (alloc_qty): Copute freq_calls_crossed.
4120 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
4121 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
4122 * ra.h (struct allocno): Add freq_calls_crossed.
4124 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
4126 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
4127 libgomp when compiling with ftree-parallelize-loops.
4128 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
4130 2008-01-16 Richard Guenther <rguenther@suse.de>
4132 PR tree-optimization/34769
4133 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
4134 * tree.c (int_cst_value): Instead make this function more
4135 permissive in what it accepts as valid input. Document this
4136 function always sign-extends the value.
4138 2008-01-16 Jakub Jelinek <jakub@redhat.com>
4139 Richard Guenther <rguenther@suse.de>
4142 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
4143 (gimple_fold_indirect_ref_rhs): ... this.
4144 (gimple_fold_indirect_ref): New function with foldings
4145 that preserve lvalueness.
4146 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
4147 * tree-flow.h (gimple_fold_indirect_ref): Declare.
4148 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
4149 to fold an INDIRECT_REF, fall back to the old use of
4150 fold_indirect_ref_1.
4152 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
4154 * tree-data-ref.c (subscript_dependence_tester_1): Call
4155 free_conflict_function.
4156 (compute_self_dependence): Same.
4158 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
4161 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
4162 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
4164 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
4165 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
4166 for DWARF2_UNWIND_INFO targets.
4168 2008-01-16 Richard Guenther <rguenther@suse.de>
4171 * c-typeck.c (common_pointer_type): Do not merge inconsistent
4172 type qualifiers for function types.
4174 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
4176 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
4177 loop_iterator li from previous commit.
4179 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
4181 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
4183 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
4185 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
4186 (parallelize_loops): Don't parallelize irreducible components.
4188 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4191 * c-opts (c_common_post_options): Do not enable CPP
4192 flag_pedantic_errors by default.
4194 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
4196 PR rtl-optimization/31944
4197 * cse.c (remove_pseudo_from_table): New function.
4198 (merge_equiv_classes): Use above function to remove pseudo-registers.
4199 (invalidate): Likewise.
4201 2008-01-13 Richard Guenther <rguenther@suse.de>
4204 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
4205 instead of TYPE_MODE to deal with calls from expand_one_error_var.
4207 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
4209 * gcse.c (cprop_jump): Call validate_unshare_change instead of
4210 validate_change to unshare the source of the PC set.
4212 2008-01-12 Jan Hubicka <jh@suse.cz>
4215 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
4216 references above array bounds. This might trigger bounds checks for
4219 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
4221 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
4222 new_replaceable_dependencies.
4224 2008-01-12 Doug Kwan <dougkwan@google.com>
4226 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
4227 instead of OPT_Wreturn_type in warning due to ignored return type
4229 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
4230 options included in -Wextra.
4231 * c.opt: New option -Wignored_qualifiers.
4232 * doc/invoke.texi (Warning Options, -Wextra): Add new option
4233 -Wignore_qualifiers.
4234 (-Wignored-qualifiers): Document.
4235 (-Wreturn-type): Remove description of functionality now handled
4236 by -Wignored-qualifiers.
4238 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
4241 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
4242 NOP_EXPR if it is between integral types with the same precision.
4244 2008-01-12 Jan Hubicka <jh@suse.cz>
4247 * invoke.texi (max-inline-recursive-depth): Fix default value.
4249 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
4251 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
4254 2008-01-11 Bob Wilson <bob.wilson@acm.org>
4256 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
4258 2008-01-11 James E. Wilson <wilson@specifix.com>
4261 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
4263 2008-01-11 Anatoly Sokolov <aesok@post.ru>
4265 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
4266 save/restore frame pointer register and don't use 'call-prologues'
4267 optimization in function with "OS_task" attribute.
4269 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
4272 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
4273 when copying to memory.
4275 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
4277 PR rtl-optimization/30905
4278 * cfgcleanup.c: Include dce.h
4279 (crossjumps_occured): New global variable.
4280 (try_crossjump_bb): Exit loop after finding a fallthru edge.
4281 If something changed, set crossjumps_occured to true.
4282 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
4283 Don't add/remove fake edges to exit here...
4284 (cleanup_cfg): ...but do it here, when crossjumping.
4285 Run a fast DCE when successful crossjumps occured in the latest
4286 iteration of try_optimize_cfg.
4288 2008-01-11 Richard Guenther <rguenther@suse.de>
4290 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
4291 (struct vn_unary_op_s): Likewise.
4292 (vn_reference_insert): Free old reference on hash collision.
4294 2008-01-10 Raksit Ashok <raksit@google.com>
4296 PR rtl-optimization/27971
4297 * combine.c (find_split_point): Split PLUS expressions which are
4298 inside a MEM rtx, and whose first operand is complex.
4300 2008-01-10 DJ Delorie <dj@redhat.com>
4302 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
4303 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
4304 (m32c_hard_regno_ok): Call the underlying function.
4306 2008-01-10 Richard Guenther <rguenther@suse.de>
4309 * tree-cfg.c (tree_merge_blocks): Do not go through the
4310 full-blown folding and stmt updating path if we just deal
4311 with virtual operands.
4312 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
4313 test for abnormal SSA_NAMEs.
4315 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
4318 * reload.c (push_reload): Add assertions. All constants from
4319 reg_equiv_constant should have been used for replacing the respective
4321 (find_reloads_address): Invoke find_reloads_address_part for
4322 constant taken from the reg_equiv_constant array.
4324 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
4326 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
4327 field (valnum) the first in the struct. Replace bools with
4330 2008-01-10 Richard Guenther <rguenther@suse.de>
4332 PR tree-optimization/34651
4333 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
4334 types and ordering for masking and converting.
4336 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
4338 PR tree-optimization/34017
4339 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
4340 also for PHI_NODE expressions.
4342 2008-01-09 Jan Hubicka <jh@suse.cz>
4344 PR tree-optimization/34708
4345 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
4346 based on number of case labels.
4347 (init_inline_once): Remove switch_cost.
4348 * tree-inline.h (eni_weights_d): Remove switch_cost.
4350 2008-01-09 Richard Guenther <rguenther@suse.de>
4351 Andrew Pinski <andrew_pinski@playstation.sony.com>
4354 * gimplify.c (gimplify_cond_expr): Do not create an addressable
4355 temporary if an rvalue is ok or an lvalue is not required.
4357 2008-01-09 Richard Guenther <rguenther@suse.de>
4360 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
4363 2008-01-09 Richard Guenther <rguenther@suse.de>
4366 * tree.c (host_integerp): Check for sizetype only if the
4367 type is an integer type.
4369 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
4372 * opts.c (decode_options): Disable inlining of functions called
4373 once if not in unit-at-a-time mode.
4375 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
4377 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
4379 2008-01-08 Richard Guenther <rguenther@suse.de>
4382 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
4383 out early if the result will be unused.
4385 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
4390 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
4391 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
4394 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
4396 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
4397 for vectorization tuned.
4399 2008-01-08 Richard Guenther <rguenther@suse.de>
4401 PR tree-optimization/34683
4402 * tree-ssa-operands.c (operand_build_cmp): Export.
4403 * tree-ssa-operands.h (operand_build_cmp): Declare.
4404 * tree-vn.c (vuses_compare): Remove.
4405 (sort_vuses): Use operand_build_cmp.
4406 (sort_vuses_heap): Likewise.
4407 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
4408 to re-use old VEC if available. Do not sort already sorted VUSEs.
4409 (vdefs_to_vec): Do not sort already sorted VDEFs.
4411 2008-01-08 Jakub Jelinek <jakub@redhat.com>
4414 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
4416 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
4419 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
4420 limitations of reciprocal sequences on x86 targets.
4422 2008-01-08 Richard Guenther <rguenther@suse.de>
4424 PR tree-optimization/34683
4425 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
4427 2008-01-07 Jakub Jelinek <jakub@redhat.com>
4430 * config/darwin.c (darwin_mergeable_string_section): Don't use
4431 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
4433 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
4436 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
4437 negxf2. Macroize expander using X87MODEF mode iterator. Change
4438 predicates of op0 and op1 to register_operand.
4439 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
4440 expander using X87MODEF mode iterator. Change predicates of
4441 op0 and op1 to register_operand.
4442 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
4443 corresponding patterns and macroize using MODEF macro. Change
4444 predicates of op0 and op1 to register_operand and remove
4445 "m" constraint. Disparage "r" alternative with "!".
4446 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
4447 macroize using X87MODEF macro. Change predicates of op0 and op1
4448 to register_operand and remove "m" constraint. Disparage "r"
4449 alternative with "!".
4450 (absneg splitter with memory operands): Remove.
4451 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
4452 patterns and macroize using X87MODEF mode iterator.
4453 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
4454 Change predicate of op1 to register_operand.
4455 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
4456 for memory operands.
4458 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
4460 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
4462 2008-01-07 Richard Guenther <rguenther@suse.de>
4464 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
4467 2008-01-07 Richard Guenther <rguenther@suse.de>
4469 PR tree-optimization/34683
4470 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
4471 VOPs of the needed size to save memory. Use VEC_quick_push
4472 to save compile-time.
4473 (vdefs_to_vec): Likewise.
4475 2008-01-07 Sa Liu <saliu@de.ibm.com>
4477 * config/spu/spu.md (divdf3): Genetate inline code for double
4478 division. The implementation doesn't handle INF or NAN, therefore it
4479 only applies when -ffinite-math-only is given.
4481 2008-01-06 Paolo Carlini <pcarlini@suse.de>
4484 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
4485 * doc/cpp.texi ([Common Predefined Macros]): Document.
4487 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
4489 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
4490 order to use commutative addition instead of subtraction.
4492 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
4493 Mircea Namolaru <namolaru@il.ibm.com>
4494 Vladimir Yanovsky <yanov@il.ibm.com>
4495 Revital Eres <eres@il.ibm.com>
4497 PR tree-optimization/34263
4498 * tree-outof-ssa.c (process_single_block_loop_latch,
4499 contains_tree_r): New functions.
4500 (analyze_edges_for_bb): Call process_single_block_loop_latch
4501 function to empty single-basic-block latch block if possible.
4503 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
4505 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
4507 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
4509 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
4511 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
4513 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
4515 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
4517 2008-01-05 Jakub Jelinek <jakub@redhat.com>
4519 PR tree-optimization/34618
4520 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
4523 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
4526 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
4527 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
4528 Update copyright year.
4530 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
4531 Update copyright year.
4532 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
4535 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
4537 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
4538 edge does not point to current bb before changing need_assert.
4540 2008-01-04 Richard Guenther <rguenther@suse.de>
4543 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
4544 for verifying purposes if they are is_gimple_min_invariant.
4546 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
4548 PR tree-optimization/34448
4549 PR tree-optimization/34465
4550 * gimplify.c (gimplify_init_constructor): Add new parameter
4551 notify_temp_creation. Use it.
4552 (gimplify_modify_expr_rhs): Take volatiles into account when
4553 optimizing constructors.
4554 Do not optimize constructors if gimplify_init_constructor will dump to
4556 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
4557 * gcc.c-torture/compile/pr34448.c: New.
4559 2008-01-04 Jakub Jelinek <jakub@redhat.com>
4561 PR gcov-profile/34609
4562 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
4563 return_slot if result is TREE_ADDRESSABLE.
4565 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
4567 * config/mips/mips.md (sqrt_condition): Tweak comment.
4568 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
4570 2008-01-03 Tom Tromey <tromey@redhat.com>
4573 * c-common.c (c_type_hash): Handle VLAs.
4575 2008-01-03 Jan Hubicka <jh@suse.cz>
4577 PR tree-optimization/31081
4578 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
4579 0 when inlining and not inlining to first basic block.
4580 (remap_decl): When var is initialized to 0, don't set default_def.
4581 (expand_call_inline): Set entry_bb.
4582 * tree-inline.h (copy_body_data): Add entry_bb.
4584 2008-01-03 Jakub Jelinek <jakub@redhat.com>
4587 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
4590 PR tree-optimization/29484
4591 * tree-inline.c (inline_forbidden_p_2): New function.
4592 (inline_forbidden_p): Disallow inlining if some static var
4593 has an address of a local LABEL_DECL in its initializer.
4594 * doc/extend.texi (Labels as Values): Document &&foo behaviour
4597 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
4599 PR tree-optimization/34635
4600 * tree-data-ref.c (add_other_self_distances): Make sure that the
4601 evolution step is constant.
4603 2008-01-03 Jakub Jelinek <jakub@redhat.com>
4606 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
4608 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
4610 * tree-sra.c (scalarize_init): Insert the generate_element_init
4611 statements after the generate_element_zero statements.
4613 2008-01-02 Richard Guenther <rguenther@suse.de>
4617 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
4618 for very large number of operands instead of ICEing.
4620 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
4623 * config/i386/i386.c (ix86_expand_prologue): Save red-zone
4624 while stack probing.
4626 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
4628 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
4631 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
4634 * tree-mudflap.c (mx_register_decls): Guard warning by
4635 !DECL_ARTIFICIAL check.
4637 2008-01-01 Jakub Jelinek <jakub@redhat.com>
4639 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
4640 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
4641 sse5_perm<mode>): Fix constraints.