| blob | 03ea12a4efd25b948981b7629a88853b627ad636 |
1 2008-03-22 Richard Sandiford <rsandifo@nildram.co.uk>
3 PR rtl-optimization/33927
4 * Makefile.in (dse.o): Depend on $(TM_P_H).
5 * expr.h (extract_low_bits): Declare.
6 * expmed.c (extract_low_bits): New function.
7 * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
8 * dse.c: Include tm_p.h.
9 (find_shift_sequence): Remove the read_reg argument and return the
10 read value. Emit the instructions instead of returning them.
11 Iterate on new_mode rather than calculating it each time.
12 Check MODES_TIEABLE_P. Use simplify_gen_subreg to convert the
13 source to NEW_MODE and extract_low_bits to convert the shifted
14 value to READ_MODE.
15 (replace_read): Allow the load and store to have different mode
16 classes. Use extract_low_bits when SHIFT == 0. Create the shift
17 or extraction instructions before trying the replacement. Update
18 dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
20 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
22 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
23 to their natural alignment to avoid store forwarding stalls.
25 2008-03-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
27 PR target/27946
28 * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
29 encouraging but not allowing gprs for input;
30 change the input constraint to !f#r.
31 (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
32 gprs for output;
33 change the output constraint to !f#r.
35 2008-03-21 Uros Bizjak <ubizjak@gmail.com>
37 PR target/13958
38 * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
39 corresponding post-reload splitters.
40 ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
41 when x87 FP math is selected.
42 * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
43 New function prototype.
44 * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
45 unreachable function to ease macroization of insn patterns.
47 2008-03-21 Martin Jambor <mjambor@suse.cz>
49 * tree-data-ref.c (dump_data_dependence_relation): Avoid data
50 reference dumps if ddr is NULL or dependence is unknown.
52 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
54 * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
55 unsigned extension into account.
56 (ATOMIC_COMPARE_AND_SWAP): Likewise.
57 (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
58 Do computations on a scratch register.
60 2008-03-21 Richard Guenther <rguenther@suse.de>
62 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
63 Use is_gimple_min_invariant instead of TREE_INVARIANT.
64 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
65 * tree-ssa-dom.c (record_equality): Likewise.
66 * tree-inline.c (copy_body_r): Likewise.
67 * tree-ssa-pre.c (make_values_for_stmt): Remove test for
68 TREE_INVARIANT.
70 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
72 * config/sh/sh.c (split_branches): Pass zero to redirect_jump
73 as 'delete_unused' argument.
75 2008-03-20 Richard Guenther <rguenther@suse.de>
77 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
78 special casing of constant qualifiers.
79 * tree-ssa.c (useless_type_conversion_p_1): Instead do not
80 care about them in general.
81 * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
82 regardless of their type.
83 (fold_stmt_r): Forcefully fold *& if we end up with that.
85 2008-03-20 Paul Brook <paul@codesourcery.com>
87 * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
88 * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
89 linker flags.
90 * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
91 definition.
92 (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
93 * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
95 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
97 * common.opt (Wmudflap): New option.
98 * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
99 (mx_register_decls): Likewise.
100 (mudflap_finish_file): Likewise.
101 * doc/invoke.texi: Document -Wno-mudflap.
103 2008-03-20 Kai Tietz <kai.tietz@onevision.com>
105 * c-format.c (replace_format_name_to_system_name): New.
106 (cmp_attribs): New.
107 (convert_format_name_to_system_name): New.
108 (decode_format_attr): Add use of convert_format_name_to_system_name.
109 (format_types_orig): Add gnu_ prefix to names.
110 (check_format_info_main): Special treating of \0 escaped names for
111 supporting multi-character format specifiers as I32, I64.
112 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
113 (gnu_target_overrides_format_attributes): New.
114 * c-format.h: Add structure target_ovr_attr to hold
115 system specific formatter names.
116 * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
117 msformat-c.o file to c_target_objs and cxx_target_objs.
118 * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
119 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
120 (TARGET_N_FORMAT_TYPES): New.
121 * config/i386/msformat-c.c: New.
122 * config/i386/t-cygming: Add build rule for msformat-c.o.
123 * doc/extend.texi: Add new format names gnu_* and ms_* and
124 further details.
125 * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
127 2008-03-20 Ira Rosen <irar@il.ibm.com>
129 * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
130 optimizations turned on under -O3.
131 (ftree-vectorize): Add that the flag is turned on with -O3.
133 2008-03-20 Ben Elliston <bje@au.ibm.com>
135 * regmove.c (try_auto_increment): Fix spelling error in comment.
136 * final.c (final_scan_insn): Likewise.
138 2008-03-20 Uros Bizjak <ubizjak@gmail.com>
140 PR target/14552
141 * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
142 allocator preferences for "y" and "r" class registers.
143 ("*mov<mode>_internal"): Ditto.
144 ("*movv2sf_internal_rex64"): Ditto.
145 ("*movv2sf_internal"): Ditto.
147 2008-03-19 Michael Matz <matz@suse.de>
149 PR middle-end/35616
150 * calls.c (expand_call): Check overlap of arguments with call
151 address for sibcalls.
153 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
155 PR target/35496
156 * stor-layout.c (update_alignment_for_field): Set minimum alignment
157 of the underlying type of a MS bitfield layout to the natural
158 alignment of the type.
160 2008-03-19 Jan Hubicka <jh@suse.cz>
162 PR other/35094
163 * toplev.c (decode_d_option): Handle all CPP flags.
164 * tree-vrp.c: Update tree_pass descriptors.
165 * regrename.c: Update tree_pass descriptors.
166 * fwprop.c: Update tree_pass descriptors.
167 * doc/invoke.texi: Remove documentation of dropped -d? flags.
168 * tree-into-ssa.c: Update tree_pass descriptors.
169 * tree-dump.c: Update tree_pass descriptors.
170 * tree-complex.c: Update tree_pass descriptors.
171 * tree-dump.h: Update tree_pass descriptors.
172 * see.c: Update tree_pass descriptors.
173 * cgraphbuild.c: Update tree_pass descriptors.
174 * tracer.c: Update tree_pass descriptors.
175 * tree-loop-distribution.c: Update tree_pass descriptors.
176 * cgraph.c: Update tree_pass descriptors.
177 * postreload-gcse.c: Update tree_pass descriptors.
178 * postreload.c: Update tree_pass descriptors.
179 * tree-ssa-loop-ch.c: Update tree_pass descriptors.
180 * tree-tailcall.c: Update tree_pass descriptors.
181 * tree-pass.h (tree_opt_pass): Rename to ...
182 (opt_pass) ... this one; add "type" field and remove letter field.
183 (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
184 (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
185 all_lowering_passes): Update declaration.
186 * ipa-cp.c: Update tree_pass descriptors.
187 * final.c: Update tree_pass descriptors.
188 * omp-low.c: Update tree_pass descriptors.
189 * tree-ssa-dse.c: Update tree_pass descriptors.
190 * ipa-reference.c: Update tree_pass descriptors.
191 * tree-ssa-uncprop.c: Update tree_pass descriptors.
192 * auto-inc-dec.c: Update tree_pass descriptors.
193 * reorg.c: Update tree_pass descriptors.
194 * cgraphunit.c: Update tree_pass descriptors.
195 * tree-ssa-copyrename.c: Update tree_pass descriptors.
196 * tree-ssa-ccp.c: Update tree_pass descriptors.
197 * df-core.c: Update tree_pass descriptors.
198 * mode-switching.c: Update tree_pass descriptors.
199 * tree-nomudflap.c: Update tree_pass descriptors.
200 * modulo-sched.c: Update tree_pass descriptors.
201 * ipa-pure-const.c: Update tree_pass descriptors.
202 * cse.c: Update tree_pass descriptors.
203 * web.c: Update tree_pass descriptors.
204 * tree-stdarg.c: Update tree_pass descriptors.
205 * tree-ssa-math-opts.c: Update tree_pass descriptors.
206 * tree-ssa-dom.c: Update tree_pass descriptors.
207 * tree-nrv.c: Update tree_pass descriptors.
208 * tree-ssa-alias.c: Update tree_pass descriptors.
209 * loop-init.c: Update tree_pass descriptors.
210 * gimple-low.c: Update tree_pass descriptors.
211 * ipa-inline.c: Update tree_pass descriptors.
212 * tree-ssa-sink.c: Update tree_pass descriptors.
213 * global.c: Update tree_pass descriptors.
214 * ifcvt.c: Update tree_pass descriptors.
215 * jump.c: Update tree_pass descriptors.
216 * predict.c: Update tree_pass descriptors.
217 * tree-ssa-loop.c: Update tree_pass descriptors.
218 * recog.c: Update tree_pass descriptors.
219 * dse.c: Update tree_pass descriptors.
220 * tree-ssa-ifcombine.c: Update tree_pass descriptors.
221 * tree-eh.c: Update tree_pass descriptors.
222 * regmove.c: Update tree_pass descriptors.
223 * local-alloc.c
224 * function.c: Update tree_pass descriptors.
225 * tree-vectorizer.c: Update tree_pass descriptors.
226 * gcse.c: Update tree_pass descriptors.
227 * ipa-type-escape.c: Update tree_pass descriptors.
228 * tree-if-conv.c: Update tree_pass descriptors.
229 * init-regs.c: Update tree_pass descriptors.
230 * ipa.c: Update tree_pass descriptors.
231 * tree-ssa-phiopt.c: Update tree_pass descriptors.
232 * rtl-factoring.c: Update tree_pass descriptors.
233 * lower-subreg.c: Update tree_pass descriptors.
234 * bt-load.c: Update tree_pass descriptors.
235 * tree-dfa.c: Update tree_pass descriptors.
236 * except.c: Update tree_pass descriptors.
237 * emit-rtl.c: Update tree_pass descriptors.
238 * cfgexpand.c: Update tree_pass descriptors.
239 * tree-cfgcleanup.c: Update tree_pass descriptors.
240 * cfgcleanup.c: Update tree_pass descriptors.
241 * tree-ssa-pre.c: Update tree_pass descriptors.
242 * tree-sra.c: Update tree_pass descriptors.
243 * tree-mudflap.c: Update tree_pass descriptors.
244 * tree-ssa-copy.c: Update tree_pass descriptors.
245 * cfglayout.c: Update tree_pass descriptors.
246 * tree-ssa-forwprop.c: Update tree_pass descriptors.
247 * tree-ssa-dce.c: Update tree_pass descriptors.
248 * tree-ssa.c: Update tree_pass descriptors.
249 * regclass.c: Update tree_pass descriptors.
250 * integrate.c: Update tree_pass descriptors.
251 * tree-optimize.c: Update tree_pass descriptors.
252 * tree-ssa-phiprop.c: Update tree_pass descriptors.
253 * tree-object-size.c: Update tree_pass descriptors.
254 * combine.c: Update tree_pass descriptors.
255 * tree-outof-ssa.c: Update tree_pass descriptors.
256 * bb-reorder.c: Update tree_pass descriptors.
257 * stack-ptr-mod.c: Update tree_pass descriptors.
258 * var-tracking.c: Update tree_pass descriptors.
259 * tree-profile.c: Update tree_pass descriptors.
260 * tree-vect-generic.c: Update tree_pass descriptors.
261 * reg-stack.c: Update tree_pass descriptors.
262 * sched-rgn.c: Update tree_pass descriptors.
263 * tree-ssa-structalias.c: Update tree_pass descriptors.
264 * tree-cfg.c: Update tree_pass descriptors.
265 * passes.c (current_pass): Update declaration.
266 (finish_optimization_passes): Update.
267 (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
268 (register_one_dump_file, register_dump_files_1, next_pass_1):
269 Update arguments.
270 (init_optimization_passes): Update handling of new types.
271 (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
272 * ipa-struct-reorg.c: Update tree_pass descriptors.
273 * tree-ssa-reassoc.c: Update tree_pass descriptors.
274 * combine-stack-adj.c: Update tree_pass descriptors.
275 * cfgrtl.c: Update tree_pass descriptors.
276 * dce.c: Update tree_pass descriptors.
277 * tree-ssanames.c: Update tree_pass descriptors.
279 2008-03-19 Richard Guenther <rguenther@suse.de>
281 PR middle-end/35609
282 * tree-ssa.c (always_executed): New global flag.
283 (warn_uninitialized_var): If !always_executed warn with "maybe"
284 instead of "is".
285 (execute_early_warn_uninitialized): Compute post-dominators.
286 Initialize always_executed before processing each basic block.
288 2008-03-18 Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
290 PR target/35504
291 * config/i386/i386.c (x86_this_parameter): Calculate correct location
292 of "this" pointer when "regparm = N" or "fastcall" is in effect.
294 2008-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
296 * doc/include/texinfo.tex: Update to version 2008-03-17.10.
298 2008-03-18 Paolo Bonzini <bonzini@gnu.org>
300 * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
301 is true.
302 (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
303 (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
304 is true. Add "&& !ignore" condition to reduce_bit_field. Modify
305 target after ignore has been set, and move there also the commputation
306 of subtarget and original_target.
307 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
308 (LANG_HOOKS_INITIALIZER): Remove it.
309 * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
311 2008-03-18 Richard Guenther <rguenther@suse.de>
313 * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
314 found an expression with constants, note that in the VN for the lhs.
315 * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
316 fold them to constants if possible. Run cleanup_cfg if done so.
317 (execute_pre): Return todo.
318 (do_pre): Likewise.
319 (execute_fre): Likewise.
320 * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
321 of constants.
322 (get_prop_source_stmt): Look through pointer conversions.
324 2008-03-18 Jan Hubicka <jh@suse.cz>
326 * tree-pretty-print.c: Include predict.h.
327 (dump_generic_node): Dump predictor.
328 * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
329 * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
330 * gimple-low.c (lower_stmt): Likewise.
331 * expr.c (expand_expr_real): Likewise.
332 * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
333 them.
334 (build_predict_expr, build_predict_expr): New.
335 * predict.h (predictor_name, build_predict_expr): Update.
336 * c-typeck.c (c_finish_bc_stmt): Add prediction.
337 * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
338 * predict.def (PRED_CONTINUE): Update hitrate.
339 * tree.def (PREDICT_EXPR): Define.
340 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
341 do not handle BIND_EXPR.
342 * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
343 * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
344 * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
345 operands.
347 2008-03-18 Michael Matz <matz@suse.de>
349 * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
351 2008-03-18 Richard Guenther <rguenther@suse.de>
353 * tree-gimple.h (is_gimple_invariant_address): Declare.
354 (is_gimple_constant): Likewise.
355 * tree-gimple.c (is_gimple_constant): New function.
356 (is_gimple_invariant_address): Likewise.
357 (is_gimple_min_invariant): Implement in terms of is_gimple_constant
358 and is_gimple_invariant_address.
359 * tree-ssa-loop-niter.c (expand_simple_operations): Revert
360 previous change.
361 * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
362 an addressable base.
364 2008-03-18 Jakub Jelinek <jakub@redhat.com>
366 PR middle-end/35611
367 * gimplify.c (gimplify_expr): Gimplify second operand of
368 OMP_ATOMIC_LOAD.
370 2008-03-17 Richard Guenther <rguenther@suse.de>
372 PR tree-optimization/19637
373 * fold-const.c (fold_unary): Remove restrictions of removing
374 intermediate pointer-conversions (P2)(P1)P0.
375 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
376 conversion to void pointer.
377 (get_maxval_strlen): Handle addresses of the form &(*p)[0].
379 2008-03-16 James E. Wilson <wilson@tuliptree.org>
381 PR debug/31510
382 * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
383 emulated thread local variables.
385 2008-03-16 Richard Guenther <rguenther@suse.de>
387 PR middle-end/35607
388 * tree-ssa-loop-niter.c (expand_simple_operations): Do not
389 expand TREE_INVARIANT operations that are not gimple invariant.
391 2008-03-16 Hans-Peter Nilsson <hp@axis.com>
393 * doc/extend.texi (Alignment): Say that the ABI controls
394 the __alignof__ for non-strict-alignment targets rather
395 than being a recommendation.
397 2008-03-15 Paul Brook <paul@codesourcery.com>
399 * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
400 annotations.
401 (arm_output_fn_unwind): Mark functions that can not be unwound.
403 2008-03-15 Paul Brook <paul@codesourcery.com>
405 * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
406 extension instructions.
408 2008-03-15 Richard Guenther <rguenther@suse.de>
410 * tree-ssa-ccp.c (ccp_fold): Also read from constant values
411 and fold constant aggregate refs.
412 (fold_const_aggregate_ref): Handle string constants
413 and constructors in ARRAY_REFs. Handle INDIRECT_REF.
414 (evaluate_stmt): Simplify now that ccp_fold folds constant
415 aggregate refs.
417 2008-03-15 Paul Brook <paul@codesourcery.com>
419 * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
420 (extzv): Use gen_extzv_t2.
421 (insv_t2, insv_zero, extv, extzv_t2): New patterns.
423 2008-03-15 Richard Guenther <rguenther@suse.de>
425 * tree-ssa-ccp.c (get_symbol_constant_value): Export.
426 (fold_const_aggregate_ref): Likewise.
427 (get_value): Return NULL if we don't have any values.
428 (ccp_finalize): Set const_val to NULL after freeing it.
429 * tree-flow.h (get_symbol_constant_value): Declare.
430 (fold_const_aggregate_ref): Likewise.
431 * tree-ssa-sccvn.c (try_to_simplify): Use them.
433 2008-03-15 Richard Guenther <rguenther@suse.de>
435 PR middle-end/35593
436 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
437 to not produce negative array indices if not allowed. Add
438 parameter to indicate that.
439 (maybe_fold_offset_to_component_ref): Allow negative array
440 indices only for the first member of a structure.
441 (maybe_fold_offset_to_reference): Allow negative array indices.
442 (maybe_fold_stmt_addition): Likewise.
444 2008-03-15 Bjoern Haase <bjoern.m.haase@web.de>
445 Anatoly Sokolov <aesok@post.ru>
447 * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
448 (avr_arch): Add ARCH_AVR6.
449 (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
450 (initial_elimination_offset): Initialize and use 'avr_pc_size'
451 instead of fixed value 2.
452 (print_operand_address): Use gs() asm specifier instead of pm().
453 (avr_assemble_integer): (Ditto.).
454 (avr_output_addr_vec_elt): (Ditto.).
455 (print_operand): Handle "!" code.
456 * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
457 __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
458 (AVR_HAVE_EIJMP_EICALL): Define.
459 (AVR_3_BYTE_PC): Redefine.
460 (AVR_2_BYTE_PC): (Ditto.).
461 (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
462 (LINK_SPEC): Add atmega2560 and atmega2561.
463 (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
464 (crtm2561.o).
465 * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall
466 for 3 byte PC devices.
467 (call_value_insn): (Ditto.).
468 (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
469 (indirect_jump): Use only for for 2 byte PC devices.
470 (*tablejump): (Ditto.).
471 (*indirect_jump_avr6): Add insn.
472 (*tablejump_rjmp): Don't use for 3 byte PC devices.
473 * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp
474 instead of ijmp for 3 byte PC devices.
475 (__tablejump2__): (Ditto.).
476 * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
477 (MULITLIB_DIRNAMES): (Ditto.).
478 (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
480 2008-03-15 Uros Bizjak <ubizjak@gmail.com>
482 * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
483 "sse2_umulsidi3". Use V1DI mode for operand 0.
484 ("mmx_psadbw"): Use V1DI mode for operand 0.
485 * config/i386/i386-modes.def (V1SI): New vector mode.
486 * config/i386/i386.c (struct builtin_description)
487 [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
488 (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
489 (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
490 (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
491 v1di_ftype_v8qi_v8qi type.
492 [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
494 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
495 __builtin_ia32_pmuludq]: Fix the mode of return value.
497 2008-03-15 Richard Guenther <rguenther@suse.de>
499 PR middle-end/35595
500 * tree-ssa-pre.c (bitmap_find_leader): Handle expression
501 being a PHI_NODE.
503 2008-03-14 Bob Wilson <bob.wilson@acm.org>
505 * doc/invoke.texi (Option Summary, Xtensa Options): Document
506 -mserialize-volatile and -mno-serialize-volatile Xtensa options.
507 * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
508 unless TARGET_SERIALIZE_VOLATILE is enabled.
509 * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
510 * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
511 * config/xtensa/xtensa.opt (mserialize_volatile): New option.
513 2008-03-14 Richard Guenther <rguenther@suse.de>
515 PR tree-optimization/34172
516 * tree-flow.h (refs_may_alias_p): Declare.
517 (get_single_def_stmt): Likewise.
518 (get_single_def_stmt_from_phi): Likewise.
519 (get_single_def_stmt_with_phi): Likewise.
520 * tree-dfa.c (refs_may_alias_p): New function.
521 (get_single_def_stmt): Likewise.
522 (get_single_def_stmt_from_phi): Likewise.
523 (get_single_def_stmt_with_phi): Likewise.
524 * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
525 (vn_reference_lookup_1): New helper function.
526 (vn_reference_lookup): Walk the virtual use-def chain to
527 continue searching for a match if the def does not alias the
528 reference we are looking for.
530 2008-03-14 David Edelsohn <edelsohn@gnu.org>
532 * doc/install.texi (Binaries): Remove UCLA archive. Add HVCC
533 archive and Perzl. Update The Written Word listing.
535 2008-03-14 Richard Guenther <rguenther@suse.de>
537 PR tree-optimization/34043
538 PR tree-optimization/33989
539 * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
540 when doing FRE.
541 (bitmap_find_leader): Use extra argument to verify dominance
542 relationship inside a basic-block.
543 (can_PRE_operation): Add VIEW_CONVERT_EXPR.
544 (find_leader_in_sets): Adjust.
545 (create_component_ref_by_pieces): Take extra argument for
546 dominance check, handle lookup failures.
547 (find_or_generate_expression): Likewise.
548 (create_expression_by_pieces): Likewise.
549 (insert_into_preds_of_block): Adjust.
550 (create_value_expr_from): If asked for, verify all operands
551 are in the blocks AVAIL_OUT set.
552 (make_values_for_stmt): Check for SSA_NAMEs that are life
553 over an abnormal edge.
554 (compute_avail): Remove such check.
555 (do_SCCVN_insertion): New function.
556 (eliminate): If we do not find a leader suitable for replacement
557 insert a replacement expression from SCCVN if available.
558 * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
559 (struct vn_ssa_aux): Add needs_insertion flag.
560 * tree-ssa-sccvn.c (may_insert): New global flag.
561 (copy_reference_ops_from_ref): Value-number union member access
562 based on its size, not type and member if insertion is allowed.
563 (visit_reference_op_load): For a weak match from union type
564 punning lookup a view-converted value and insert a SSA_NAME
565 for that value if that is not found.
566 (visit_use): Make dumps shorter. Do not disallow value numbering
567 SSA_NAMEs that are life over an abnormal edge to constants.
568 (free_scc_vn): Release inserted SSA_NAMEs.
569 (run_scc_vn): New flag to specify whether insertion is allowed.
570 Process SSA_NAMEs in forward order.
571 * tree-ssa-loop-im.c (for_each_index): Handle invariant
572 ADDR_EXPRs inside VIEW_CONVERT_EXPR.
573 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
574 pointer type to/from integral types that do not change the
575 precision to regular conversions.
577 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
579 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
580 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
581 __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
582 __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
583 input arguments and the mode of return value. Built-in functions
584 that operate on whole 64-bit MMX register now use V1DI mode.
586 2008-03-13 Alon Dayan <alond@il.ibm.com>
587 Olga Golovanevsky <olga@il.ibm.com>
589 PR tree-optimization/35041
590 * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
591 to locate the right position in a statement.
593 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
595 PR target/34000
596 PR target/35553
597 * config/i386/xmmintrin.h: Change all static inline functions to
598 extern inline and add __gnu_inline__ attribute.
599 * config/i386/bmintrin.h: Ditto.
600 * config/i386/smmintrin.h: Ditto.
601 * config/i386/tmmintrin.h: Ditto.
602 * config/i386/mmintrin-common.h: Ditto.
603 * config/i386/ammintrin.h: Ditto.
604 * config/i386/emmintrin.h: Ditto.
605 * config/i386/pmmintrin.h: Ditto.
606 * config/i386/mmintrin.h: Ditto.
607 * config/i386/mm3dnow.h: Ditto.
609 2008-03-13 Jakub Jelinek <jakub@redhat.com>
611 PR middle-end/35185
612 * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
613 (lower_omp_2): New function.
614 (lower_omp_1, lower_omp): Rewritten.
616 2008-03-13 Danny Smith <dannysmith@users.sourceforge.net>
618 PR 35054
619 * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
620 with the phrase "Microsoft Windows compilers".
621 (Push/Pop Macro Pragmas): New subsection. Document
622 #pragma push_macro and pragma pop_macro.
624 2008-03-12 Paul Brook <paul@codesourcery.com>
626 * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
628 2008-03-12 Paul Brook <paul@codesourcery.com>
630 * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
631 (thumb2_alusi3_short): Exclude PLUS and MINUS.
632 (thumb2_addsi_shortim): Rename ...
633 (thumb2_addsi_short): ... to this. Allow register operands.
634 (thumb2_subsi_short): New pattern.
635 (thumb2_one_cmplsi2_short,
636 thumb2_negsi2_short): New patterns and peepholes.
638 2008-03-12 Paul Brook <paul@codesourcery.com>
640 * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
642 2008-03-12 Uros Bizjak <ubizjak@gmail.com>
644 * config/i386/i386.md (int_cond): New code iterator.
645 (fp_cond): Ditto.
646 ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
647 sge, sgeu, sle and sleu expanders usign int_cond code iterator.
648 ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
649 sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
650 ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
651 bge, bgeu, ble and bleu expanders usign int_cond code iterator.
652 ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
653 bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
655 2008-03-12 Paul Brook <paul@codesourcery.com>
657 * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
658 instead of {arm,thumb}_compute_save_reg_mask.
659 (output_return_instruction): Ditto.
660 (thumb_unexpanded_epilogue): Ditto.
661 (thumb1_expand_prologue): Ditto.
662 (thumb1_output_function_prologue): Ditto.
663 (arm_set_return_address): Ditto.
664 (thumb_set_return_address): Ditto.
665 (arm_get_frame_offsets): Set offsets->saved_regs_mask. Push extra
666 regs to achieve stack alignment.
667 (thumb1_compute_save_reg_mask): Fix compiler warning.
668 (arm_output_epilogue): Use offsets->saved_regs_mask.
669 Adjust stack pointer by poping call clobered registers.
670 (arm_expand_prologue): Use offsets->saved_regs_mask.
671 Adjust stack pointer by pushing extra registers.
672 * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
674 2008-03-12 Paolo Bonzini <bonzini@gnu.org>
676 PR tree-opt/35422
677 * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
678 conversion to the operands of a multiplication.
680 2008-03-12 Richard Guenther <rguenther@suse.de>
682 * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
683 (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
684 * timevar.def (TV_TREE_PHIPROP): Add.
685 * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
686 pass description. Use TV_TREE_PHIPROP.
687 * tree-ssa-forwprop.c: Remove phiprop code.
689 2008-03-12 Jakub Jelinek <jakub@redhat.com>
691 PR middle-end/35549
692 * omp-low.c (maybe_lookup_decl): Constify first argument.
693 (use_pointer_for_field): Change last argument from bool to
694 omp_context *. Disallow shared copy-in/out in nested
695 parallel if decl is shared in outer parallel too.
696 (build_outer_var_ref, scan_sharing_clauses,
697 lower_rec_input_clauses, lower_copyprivate_clauses,
698 lower_send_clauses, lower_send_shared_vars): Adjust callers.
700 2008-03-12 Victor Kaplansky <victork@il.ibm.com>
701 Ira Rosen <irar@il.ibm.com>
703 * tree-vectorizer.c (free_stmt_vec_info): New function.
704 (destroy_loop_vec_info): Move code to free_stmt_vec_info().
705 Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
706 * tree-vectorizer.h (free_stmt_vec_info): Declare.
707 * tree-vect-transform.c (vectorizable_conversion): Free
708 vec_oprnds0 if it was allocated.
709 (vect_permute_store_chain): Remove unused VECs.
710 (vectorizable_store): Free VECs that are allocated in the..
711 function.
712 (vect_transform_strided_load, vectorizable_load): Likewise.
713 (vect_remove_stores): Simplify the code.
714 (vect_transform_loop): Move code to vect_remove_stores().
715 Call vect_remove_stores() and free_stmt_vec_info().
717 2008-03-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
719 * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
720 TARGET_HPUX. Revise comment.
721 (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
722 * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
723 Use sr4 variant of `be' instruction when not generating PIC code.
724 (attr_length_call): Adjust for above change.
726 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
728 * ipa-reference.c (static_execute): Remove module_statics_const and
729 associated setting code.
731 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
733 PR target/35540
734 * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
735 predicate for operand 1.
736 (paritysi2_cmp): Use register_operand predicate for operand 2.
737 Use earlyclobber modifier for operand 1. Remove support for
738 memory operands.
739 (paritydi2_cmp): Use register_operand predicate for operand 3.
740 Use earlyclobber modifier for operand 1. Remove support for
741 memory operands.
743 2008-03-11 Paul Brook <paul@codesourcery.com>
744 Vladimir Prus <vladimir@codesourcery.com>
746 * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
747 (arm_compute_save_reg0_reg12_mask): Always
748 check if register 11 must be saved. Always safe hard frame pointer
749 when frame_pointer_needeed.
750 (arm_compute_save_reg_mask): Save IP and PC
751 only with apcs frames.
752 (arm_output_epilogue): Adjust Thumb2 codepath to
753 be also invoked and work for ARM non-apcs frames.
754 (arm_expand_prologue): Don't bother saving IP
755 for non-apcs frame, since it's not clobbered by
756 prologue code. Implement non-apcs frame
757 layout.
759 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
761 PR rtl-optimization/35281
762 * expr.c (convert_move): Use a new pseudo for the intermediate
763 from_mode->word_mode result.
765 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
767 * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
768 * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
769 * toplev.c (compile_file): Don't call it.
771 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
773 PR middle-end/35526
774 * expr.c (store_expr): Call emit_block_move if the mode
775 of "temp" RTX is BLKmode.
777 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
778 Richard Guenther <rguenther@suse.de>
780 PR tree-optimization/31358
781 * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
782 the step with a NULL_TREE.
783 * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
784 to sizetype if type is a pointer type.
785 (add_candidate_1): Don't convert the base and step to
786 the generic type if the orginal type is a pointer type.
787 (add_iv_value_candidates): Use sizetype for the step
788 if type is a pointer type.
789 (cand_value_at): Likewise.
790 * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
791 for pointer types.
792 * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
793 Don't convert the tem affine to the type.
794 (add_elt_to_tree): Use sizetype for the step if a pointer.
795 Use POINTER_PLUS_EXPR for pointers.
796 (aff_combination_to_tree): Use sizetype for the step if a
797 pointer.
799 2008-03-10 Vladimir Makarov <vmakarov@redhat.com>
801 * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
802 Remove commutativity hint.
804 2008-03-10 Jakub Jelinek <jakub@redhat.com>
806 PR c/35438
807 PR c/35439
808 * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
809 errorneous type. Check that v is a VAR_DECL.
811 PR middle-end/35099
812 * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
814 2008-03-10 H.J. Lu <hongjiu.lu@intel.com>
816 PR tree-optimization/35494
817 * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
818 may be overriden at link and run time.
820 2008-03-10 Richard Guenther <rguenther@suse.de>
822 PR tree-optimization/34677
823 * tree-ssa-pre.c (modify_expr_node_pool): Remove.
824 (poolify_tree): Likewise.
825 (modify_expr_template): Likewise.
826 (poolify_modify_stmt): Likewise.
827 (insert_fake_stores): Handle all component-ref style stores
828 in addition to INDIRECT_REF. Also handle complex types.
829 Do not poolify the inserted load.
830 (realify_fake_stores): Do not rebuild the tree but only
831 make it a SSA_NAME copy.
832 (init_pre): Remove initialzation of modify_expr_template.
833 Do not allocate modify_expr_node_pool.
834 (fini_pre): Do not free modify_expr_node_pool.
836 2008-03-10 Paul Brook <paul@codesourcery.com>
838 * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
839 to avoid conflicts.
841 2008-03-10 Paul Brook <paul@codesourcery.com>
842 Mark Shinwell <shinwell@codesourcery.com>
844 * config/arm/cortex-r4.md: New.
845 * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
846 insn attributes.
847 * config/arm/arm.md: Include cortex-r4.md.
848 (insn): Add smmls, sdiv and udiv values.
849 (generic_sched): Don't use generic scheduling for Cortex-R4.
850 (arm_issue_rate): New function.
851 (TARGET_SCHED_ISSUE_RATE): Define.
853 2008-03-10 Sebastian Pop <sebastian.pop@amd.com>
855 * doc/invoke.texi (-ftree-loop-distribution): Add an example.
857 2008-03-10 Richard Guenther <rguenther@suse.de>
859 * tree-ssa-pre.c (get_sccvn_value): Simplify.
860 (compute_avail): Do not add stmt uses to AVAIL_OUT.
862 2008-03-10 Paolo Bonzini <bonzini@gnu.org>
864 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
865 Set default to true.
867 2008-03-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
869 * c.opt (Wsynth): Deprecate.
870 * doc/invoke.texi (Option Summary, Warning Options): Document
871 -Wno-format-contains-nul.
873 2008-03-09 Uros Bizjak <ubizjak@gmail.com>
875 PR target/35496
876 * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
877 ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
879 2008-03-09 Ira Rosen <irar@il.ibm.com>
881 * config/rs6000/rs6000.c (builtin_description): Rename vector
882 left shift operations.
883 * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
884 (altivec_vsl<VI_char>): Rename to ...
885 (ashl<mode>3): ... new name.
886 (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
887 gen_ashlv4si3.
888 (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
890 2008-03-08 Richard Guenther <rguenther@suse.de>
892 * coverage.h (tree_coverage_counter_addr): Declare.
893 * coverage.c (tree_coverage_counter_addr): New function.
894 * tree-profile.c (tree_gen_edge_profiler): Unshare counter
895 before using again.
896 (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
897 (tree_gen_one_value_profiler): Likewise.
898 (tree_gen_ic_profiler): Likewise.
899 (tree_gen_average_profiler): Likewise.
900 (tree_gen_ior_profiler): Likewise.
902 2008-03-08 Richard Guenther <rguenther@suse.de>
904 * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
905 (vn_binary_op_insert): Likewise.
906 (vn_unary_op_lookup): Likewise.
907 (vn_unary_op_insert): Likewise.
908 (vn_nary_op_lookup): Declare.
909 (vn_nary_op_insert): Likewise.
910 * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
911 and binary hashes, use a single obstack for unary_op_pool
912 and binary_op_pool.
913 (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
914 a single struct vn_nary_op_s. Store tree code length and
915 a variable number of operands.
916 (struct vn_reference_op_struct): Remove unused op2.
917 (vn_reference_op_eq): Do not compare op2.
918 (vn_reference_op_compute_hash): Do not compute hash of op2.
919 (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
920 (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
921 with vn_nary_op_compute_hash.
922 (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
923 (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
924 vn_nary_op_lookup.
925 (vn_unary_op_insert, vn_binary_op_insert): Replace with
926 vn_nary_op_insert.
927 (visit_unary_op): Call nary functions.
928 (visit_binary_op): Likewise.
929 (process_scc): Adjust for struct vn_tables_s changes.
930 (allocate_vn_table): Likewise.
931 (free_vn_table): Likewise.
932 * tree-vn.c (vn_add): Call nary functions.
933 (vn_lookup): Likewise.
935 2008-03-08 Jakub Jelinek <jakub@redhat.com>
937 PR target/35498
938 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
939 wdst back after sync_compare_and_swapqhi_internal.
941 2008-03-08 Uros Bizjak <ubizjak@gmail.com>
943 PR target/22152
944 * config/i386/i386-modes.def (V1DI): New vector mode.
945 * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
946 * config/i386/mmx.md (MMXMODEI8): New mode iterator.
947 (MMXMODE248): Ditto.
948 (MMXMODE): Add V1DI mode.
949 (mmxvecsize): Change DI mode to V1DI mode.
950 ("mov<mode>): Use MMXMODEI8 mode iterator.
951 ("*mov<mode>_internal_rex64"): Ditto.
952 ("*mov<mode>_internal"): Ditto.
953 ("mmx_add<mode>3"): Ditto. Handle V1DImode for TARGET_SSE2.
954 ("mmx_sub<mode>3"): Ditto.
955 ("mmx_adddi3"): Remove insn pattern.
956 ("mmx_subdi3"): Ditto.
957 ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
958 ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
959 ("mmx_ashl<mode>3"): Ditto.
960 ("mmx_lshrdi3"): Remove insn pattern.
961 ("mmx_ashldi3"): Ditto.
962 * config/i386/i386.c (classify_argument): Handle V1DImode.
963 (function_arg_advance_32): Ditto.
964 (function_arg_32): Ditto.
965 (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
966 mmx_addv1di3 insn pattern.
967 [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
968 [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
969 IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
970 IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
971 Remove definitions of built-in functions.
972 (V1DI_type_node): New node.
973 (v1di_ftype_v1di_int): Ditto.
974 (v1di_ftype_v1di_v1di): Ditto.
975 (v2si_ftype_v2si_si): Ditto.
976 (v4hi_ftype_v4hi_di): Remove node.
977 (v2si_ftype_v2si_di): Ditto.
978 (ix86_init_mmx_sse_builtins): Handle V1DImode.
979 (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
980 Redefine builtins using def_builtin_const with *_ftype_*_int node.
981 (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
982 Add new builtins using def_builtin_const.
983 (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
984 IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
985 IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
986 * config/i386/mmintrin.h (__v1di): New typedef.
987 (_mm_add_si64): Cast arguments to __v1di type.
988 (_mm_sub_si64): Ditto.
989 (_mm_sll_pi16): Cast __count to __v4hi type.
990 (_mm_sll_pi32): Cast __count to __v2si type.
991 (_mm_sll_si64): Cast arguments to __v1di type.
992 (_mm_srl_pi16): Cast __count to __v4hi type.
993 (_mm_srl_pi32): Cast __count to __v2si type.
994 (_mm_srl_si64): Cast arguments to __v1di type.
995 (_mm_sra_pi16): Cast __count to __v4hi type.
996 (_mm_sra_pi32): Cast __count to __v2si type.
997 (_mm_slli_pi16): Use __builtin_ia32_psllwi.
998 (_mm_slli_pi32): Use __builtin_ia32_pslldi.
999 (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
1000 (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
1001 (_mm_srli_pi32): Use __builtin_ia32_psrldi.
1002 (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
1003 (_mm_srai_pi16): Use __builtin_ia32_psrawi.
1004 (_mm_srai_pi32): Use __builtin_ia32_psradi.
1005 * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
1006 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1007 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1008 __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
1010 2008-03-07 Joseph Myers <joseph@codesourcery.com>
1012 * doc/include/texinfo.tex: Update to version 2008-03-07.10.
1014 2008-03-07 Peter Bergner <bergner@vnet.ibm.com>
1016 PR target/35373
1017 * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
1018 reg+const addressing for Altivec modes. Don't generate reg+reg
1019 addressing for TFmode or TDmode quantities.
1021 2008-03-07 Paolo Bonzini <bonzini@gnu.org>
1023 * c-common.c (vector_types_convertible_p): Call langhook
1024 instead of comptypes.
1026 2008-03-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1028 PR tree-opt/35402
1029 * tree-ssa-ccp.c (get_symbol_constant_value): Handle
1030 integral and scalar float variables which have a
1031 NULL DECL_INITIAL.
1033 2008-03-06 Nathan Froyd <froydnj@codesourcery.com>
1035 * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
1036 dwarf_register_span hook when emitting unwind information for
1037 register-to-memory saves.
1038 * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
1039 (rs6000_frame_related): Remove call to spe_synthesize_frame.
1041 2008-03-06 Jakub Jelinek <jakub@redhat.com>
1043 * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
1044 for the same VAR_DECL.
1046 2008-03-06 Tom Tromey <tromey@redhat.com>
1048 * treelang: Delete.
1049 * doc/standards.texi (Standards): Don't mention treelang.
1050 * doc/invoke.texi (Overall Options): Don't mention treelang.
1051 * doc/install.texi (Prerequisites): Don't mention bison or
1052 treelang.
1053 (Configuration): Don't mention treelang.
1054 (Building): Likewise.
1055 * doc/frontends.texi (G++ and GCC): Don't mention treelang.
1057 2008-03-06 Paolo Bonzini <bonzini@gnu.org>
1059 * simplify-rtx.c (simplify_subreg): Remove useless shifts from
1060 word-extractions out of a multi-word object.
1062 2008-03-06 Richard Guenther <rguenther@suse.de>
1064 * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
1065 * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
1066 result type and precision.
1067 * expr.c (get_inner_reference): Set unsignedp based on the result
1068 type of BIT_FIELD_REF.
1069 * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
1070 * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
1071 (try_instantiate_multiple_fields): Likewise. Use the correct type
1072 for BIT_FIELD_REF.
1073 (sra_build_assignment): Likewise.
1074 (sra_build_elt_assignment): Likewise.
1075 (sra_explode_bitfield_assignment): Likewise.
1076 * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
1077 * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
1078 set BIT_FIELD_REF_UNSIGNED.
1079 (vectorizable_load): Likewise.
1081 2008-03-06 Andreas Krebbel <krebbel1@de.ibm.com>
1083 * cse.c (cse_extended_basic_block): Invalidate artificial defs
1084 at bb start.
1086 2008-03-06 Richard Guenther <rguenther@suse.de>
1088 * alias.c (struct alias_set_entry): Move has_zero_child field
1089 to pack with alias_set.
1091 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
1093 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1094 32bit host.
1096 2008-03-05 Ian Lance Taylor <iant@google.com>
1098 * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
1100 2008-03-05 Kenneth Zadeck <zadeck@naturalbridge.com>
1102 * fwprop.c (update_df): Support width and offset parameters of
1103 df_ref_create.
1104 * ra-conflict.c (mark_reg_store, clear_reg_in_live,
1105 global_conflicts): Change DF_REF_EXTRACT to either
1106 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
1107 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1108 * df-scan.c (df_ref_record, df_defs_record,
1109 df_ref_create_structure, df_def_record_1, df_uses_record,
1110 df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
1111 df_bb_refs_collect, df_entry_block_defs_collect,
1112 df_exit_block_uses_collect): Support new width and offset fields.
1113 (ref_extract_pool): New storage pool.
1114 (df_free_ref): New function.
1115 (df_reg_chain_unlink, df_free_collection_rec,
1116 df_sort_and_compress_refs): Call df_free_ref.
1117 (df_ref_equal_p, df_ref_compare): Compare offset and width fields
1118 of df_ref_extract.
1119 (df_ref_create_structure): Allocate df_ref_extract if offset and
1120 width fields are used.
1121 (df_def_record_1): Get offset and width from ZERO_EXTRACT.
1122 (df_uses_record): Get offset and width from ZERO_EXTRACT
1123 and SIGN_EXTRACT.
1124 * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
1125 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
1126 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1127 * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
1128 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
1129 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1130 (df_ref_extract): New structure.
1131 (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
1132 (df_ref_create): Add width and offset parameters.
1134 2008-03-05 Richard Guenther <rguenther@suse.de>
1136 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1137 Use ranges_overlap_p.
1138 (offset_overlaps_with_access): Rename
1139 to ranges_overlap_p and move ...
1140 * tree-flow-inline.h (ranges_overlap_p): ... here.
1142 * tree.h (get_inner_reference, handled_component_p): Update
1143 comments.
1145 * tree.h (record_component_aliases, get_alias_set,
1146 alias_sets_conflict_p, alias_sets_must_conflict_p,
1147 objects_must_conflict_p): Move declarations ...
1148 * alias.h (record_component_aliases, get_alias_set,
1149 alias_sets_conflict_p, alias_sets_must_conflict_p,
1150 objects_must_conflict_p): ... here.
1151 Include coretypes.h.
1152 * Makefile.in (ALIAS_H): Add coretypes.h dependency.
1154 2008-03-05 Aldy Hernandez <aldyh@redhat.com>
1156 * cfg.c: Include tree-flow.h.
1157 (remove_edge_raw): Call redirect_edge_var_map_clear.
1158 (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
1159 * tree-flow-inline.h (redirect_edge_var_map_def): New.
1160 (redirect_edge_var_map_result): New.
1161 * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
1162 PENDING_STMT use with redirect_edge_var_map_*.
1163 * tree-ssa.c (edge_var_maps): New definition.
1164 (redirect_edge_var_map_add): New.
1165 (redirect_edge_var_map_clear): New.
1166 (redirect_edge_var_map_dup): New.
1167 (redirect_edge_var_map_vector): New.
1168 (redirect_edge_var_map_destroy): New.
1169 (ssa_redirect_edge): Replace PENDING_STMT use with
1170 redirect_edge_var_map_*.
1171 (flush_pending_stmts): Same.
1172 (delete_tree_ssa): Destroy edge var map.
1173 * tree-flow.h (struct _edge_var_map): New.
1174 Define edge_var_map vector type.
1175 Declare redirect_edge_var_map_* prototypes.
1176 * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
1177 * tree-cfg.c (reinstall_phi_args): Replace
1178 PENDING_STMT use with redirect_edge_var_map_*.
1180 2008-03-05 Richard Guenther <rguenther@suse.de>
1182 PR tree-optimization/35472
1183 * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
1184 whose single use_stmt has a overlapping set of loaded and
1185 stored symbols as that use_stmt might be a noop assignment then.
1187 2008-03-05 Joel Sherrill <joel.sherrill@oarcorp.com>
1189 * gthr-rtems.h: Implement __gthread_mutex_destroy.
1191 2008-03-05 Richard Guenther <rguenther@suse.de>
1193 PR c++/35336
1194 * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
1195 should be constants.
1196 * tree-cfg.c (verify_expr): Verify it.
1197 * fold-const.c (fold_truthop): Remove code generating
1198 BIT_FIELD_REFs of structure bases.
1199 (fold_binary): Likewise.
1200 (fold_ternary): Position and size of BIT_FIELD_REFs are
1201 always host integers.
1202 (make_bit_field_ref): Remove.
1203 (optimize_bit_field_compare): Remove.
1204 (all_ones_mask_p): Remove.
1206 2008-03-05 Gabor Loki <loki@gcc.gnu.org>
1208 PR gcc/33009
1209 * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
1210 (split_block_and_df_analyze): New. Split basic block and rebuild
1211 dataflow.
1212 (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
1213 SPLIT_BLOCK.
1214 (split_pattern_seq): Likewise.
1215 (erase_matching_seqs): Likewise.
1216 (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
1218 2008-03-04 Geoff Keating <geoffk@apple.com>
1220 * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
1221 declaration and code.
1222 (tree_invalid_nonnegative_warnv_p): Likewise.
1224 2008-03-05 Serge Belyshev <belyshev@depni.sinp.msu.ru>
1226 * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
1227 examples. Truncate option-names then causing overfull hbox.
1229 2008-03-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1231 PR target/35222
1232 * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
1233 on hpux10.
1234 * configure: Rebuilt.
1236 2008-03-04 Rafael Espindola <espindola@google.com>
1238 * fold-const.c (tree_simple_nonnegative_warnv_p): New.
1239 (tree_unary_nonnegative_warnv_p): New.
1240 (tree_binary_nonnegative_warnv_p): New.
1241 (tree_single_nonnegative_warnv_p): New.
1242 (tree_invalid_nonnegative_warnv_p): New.
1243 (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
1245 2008-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1247 PR 28322
1248 * opts.c (handle_option): Postpone 'unknown option' errors only for
1249 warning options.
1251 2008-03-04 H.J. Lu <hongjiu.lu@intel.com>
1253 PR target/35453
1254 * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
1255 (_SIDD_XXX): This.
1257 2008-03-04 Rafael Espindola <espindola@google.com>
1259 * fold-const.c (tree_unary_nonzero_warnv_p): New.
1260 (tree_binary_nonzero_warnv_p): New.
1261 (tree_single_nonzero_warnv_p): New.
1262 (tree_expr_nonzero_warnv_p): Redefine using the new functions.
1264 2008-03-04 Uros Bizjak <ubizjak@gmail.com>
1266 PR middle-end/35456
1267 * fold-const.c (fold_cond_expr_with_comparison): Prevent
1268 transformations for modes that have signed zeros.
1269 * ifcvt.c (noce_try_abs): Ditto.
1271 2008-03-04 Joseph Myers <joseph@codesourcery.com>
1273 * config/i386/i386.c (override_options): Force
1274 -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
1276 2008-03-04 Jan Hubicka <jh@suse.cz>
1278 PR c++/35262
1279 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
1280 in last commit.
1282 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
1284 * config/i386/i386.md (allocate_stack_worker_32): Use __chkstk
1285 label to probe the stack.
1287 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
1289 * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
1290 (__gthr_win32_mutex_destroy): Declare.
1291 [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
1292 __gthr_win32_mutex_destroy.
1293 * config/i386/gthr-win32.c (__gthr_win32_mutex_destroy): Define.
1295 2008-03-03 Jan Hubicka <jh@suse.cz>
1297 PR c++/35262
1298 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
1299 aggressive on inlining cold calls.
1301 2008-03-03 Richard Guenther <rguenther@suse.de>
1303 * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
1304 struct copies into the expression table.
1305 (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
1306 (try_to_simplify): Likewise.
1307 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
1308 integral and pointer arguments which do not change the
1309 precision to NOP_EXPRs.
1310 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
1311 VIEW_CONVERT_EXPR case.
1313 2008-03-02 Sebastian Pop <sebastian.pop@amd.com>
1315 * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
1316 defined in a loop at depth 0 is invariant.
1317 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
1318 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
1319 be called at loop depth 0.
1321 2008-03-02 Jakub Jelinek <jakub@redhat.com>
1323 PR driver/35420
1324 * gcc.c (process_command): Update copyright notice dates.
1325 * gcov.c (print_version): Likewise.
1326 * gcov-dump.c (print_version): Likewise.
1327 * mips-tfile.c (main): Likewise.
1328 * mips-tdump.c (main): Likewise.
1330 2008-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1332 PR 24924
1333 * c-common.c (flag_permissive): Delete.
1334 (constant_expression_warnings): Check flags first.
1335 (constant_expression_error): New.
1336 * c-common.h (flag_permissive): Delete.
1337 (constant_expression_error): Declare.
1338 * flags.h (flag_permissive): Declare. Update description.
1339 * diagnostic.c (pedwarn): Update.
1340 (permerror): New.
1341 * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
1342 (permissive_error_kind): New.
1343 * toplev.c (flag_permissive): Define. Update description.
1344 * toplev.h (permissive_error_kind): Declare.
1345 * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
1346 (pedwarn_c90): Use pedantic_warning_kind.
1347 * c-opts.c (c_common_post_options): flag_permissive does not affect
1348 flag_pedantic_errors.
1350 2008-03-02 Joseph Myers <joseph@codesourcery.com>
1352 * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
1353 __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
1354 __absvsi2, __absvDI2): Use unsigned arithmetic.
1356 2008-03-02 Andi Kleen <ak@suse.de>
1357 Richard Guenther <rguenther@suse.de>
1359 * struct-equiv.c: Remove file.
1360 * cfg_cleanup.c (condjump_equiv_p): Remove.
1361 * Makefile.in (OBJS-common): Remove struct-equiv.o.
1362 (struct-equiv.o): Remove rule.
1363 * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
1364 insns_match_p, struct_equiv_block_eq, struct_equiv_init,
1365 rtx_equiv_p, condjump_equiv_p): Remove prototypes.
1367 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
1369 * ifcvt.c (noce_process_if_block): Try to handle only the then
1370 block if the else block exists but isn't suitable.
1372 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
1374 PR gcc/35063
1375 * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
1376 * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
1377 regression from previous patch.
1379 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
1381 PR gcc/35063
1382 * gthr.h: Add __gthread_mutex_destroy as a function that must be
1383 implemented.
1384 * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
1385 * gthr-single.h (__gthread_mutex_destroy): Likewise.
1386 * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
1387 * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
1388 * gthr-nks.h (__gthread_mutex_destroy): Likewise.
1389 * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
1390 * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
1391 (__gthread_mutex_destroy_function): Rename to
1392 __gthread_mutex_destroy.
1393 * gthr-dce.h (__gthread_mutex_destroy): Call
1394 pthread_mutex_destroy.
1395 * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
1396 * gthr-posix.h (__gthread_mutex_destroy): Likewise.
1397 * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
1399 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
1401 * df-scan.c (df_ref_chain_change_bb): Simplify.
1402 (df_insn_change_bb): Add new_bb argument. Simplify. Call
1403 set_block_for_insn if there's any change.
1404 * df.h ((df_insn_change_bb): Fix prototype.
1405 * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
1406 df_insn_change_bb, don't call set_block_for_insn.
1407 * emit-rtl.c (reorder_insns): Likewise.
1408 * haifa-sched.c (move_insn): Likewise.
1410 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
1412 * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
1414 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
1416 * tree-flow-inline.h (next_readonly_imm_use): Return
1417 NULL_USE_OPERAND_P after the end.
1419 2008-03-01 Richard Guenther <rguenther@suse.de>
1421 PR tree-optimization/35411
1422 * tree-sra.c (sra_build_assignment): Split conversion to
1423 final type to a separate statement if we are not assigning
1424 to a register.
1426 2008-02-29 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1428 * fold-const.c (fold_convertible_p): Correct the logic to follow
1429 that in fold_convert().
1431 2008-02-29 Douglas Gregor <doug.gregor@gmail.com>
1433 PR c++/35315
1434 * tree-inline.c (build_duplicate_type): When we make a
1435 duplicate type, make it unique in the canonical types system.
1437 2008-02-29 Tom Tromey <tromey@redhat.com>
1439 * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
1440 input_file_stack_history, input_file_stack_restored): Remove.
1441 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
1442 * input.h (struct file_stack): Remove.
1443 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
1444 (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
1445 Likewise.
1446 * diagnostic.h (struct diagnostic_context) <last_module>: Change
1447 type.
1448 (diagnostic_last_module_changed): Add 'map' argument.
1449 (diagnostic_set_last_function): Likewise.
1450 * diagnostic.c (undiagnostic_report_current_module): Iterate using
1451 line map, not input_file_stack.
1452 * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
1454 2008-02-29 Paul Brook <paul@codesourcery.com>
1456 * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
1458 2008-02-29 Paul Brook <paul@codesourcery.com>
1460 * config/arm/ieee754-df.S (muldf3): Use RET macros.
1462 2008-02-29 Richard Guenther <rguenther@suse.de>
1464 * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
1465 vn_lookup_or_add.
1466 * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
1467 value for comparing for a store match.
1468 (simplify_unary_expression): Do nothing for SSA_NAMEs.
1469 (try_to_simplify): Do not do a full-blown reference lookup.
1471 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
1473 * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
1474 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
1476 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
1478 2008-02-29 Sebastian Pop <sebastian.pop@amd.com>
1480 * tree-loop-linear.c (try_interchange_loops): Compare memory access
1481 strides against cache sizes.
1483 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
1485 * config/sh/sh.c (sh_secondary_reload): Handle loading a float
1486 constant to fpul.
1488 2008-02-28 Richard Sandiford <rsandifo@nildram.co.uk>
1490 * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
1491 of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
1492 is smaller than the original promoted value.
1493 (simplify_subreg): If OP is a SUBREG, try to preserve its
1494 SUBREG_PROMOTED_VAR_P information.
1496 2008-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
1498 * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
1499 (VN_INFO_GET): Allocate new objects on the obstack.
1500 (init_scc_vn): Initialize the obstack. Use XDELETE instead of free
1501 for rpo_numbers_temp, for consistency.
1502 (free_scc_vn): Free the obstack.
1504 2008-02-28 Sebastian Pop <sebastian.pop@amd.com>
1506 * doc/invoke.texi: Document -ftree-loop-distribution.
1507 * tree-loop-distribution.c: New.
1508 * tree-pass.h (pass_loop_distribution): New.
1509 * graphds.h (struct graph): Add htab_t indices.
1510 * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
1511 * tree-vectorizer.c (rename_variables_in_loop): Extern.
1512 (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
1513 * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
1514 * tree-data-ref.c (debug_data_dependence_relations): New.
1515 (dump_data_dependence_relation): Also print data references.
1516 (free_data_ref): Extern.
1517 (same_access_functions): Moved...
1518 (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
1519 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
1520 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
1521 struct rdg_vertex_info, rdg_vertex_for_stmt): New.
1522 (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
1523 (stmts_from_loop): Skip LABEL_EXPR.
1524 (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
1525 New.
1526 (build_rdg): Initialize rdg->indices htab.
1527 (free_rdg, stores_from_loop, ref_base_address,
1528 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
1529 have_similar_memory_accesses_1, ref_base_address_1,
1530 remove_similar_memory_refs): New.
1531 * tree-data-ref.h: Depend on tree-chrec.h.
1532 (debug_data_dependence_relations, free_data_ref): Declared.
1533 (same_access_functions): ... here.
1534 (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
1535 New.
1536 (struct rdg_vertex): Add has_mem_write and has_mem_reads.
1537 (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
1538 RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
1539 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
1540 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
1541 rdg_vertex_for_stmt): Declared.
1542 (struct rdg_edge): Add level.
1543 (RDGE_LEVEL): New.
1544 (free_rdg, stores_from_loop, remove_similar_memory_refs,
1545 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
1546 Declared.
1547 (rdg_has_similar_memory_accesses): New.
1548 * tree-vect-analyze.c: Remove unused static decls.
1549 * lambda.h (dependence_level): New.
1550 * common.opt (ftree-loop-distribution): New.
1551 * tree-flow.h (mark_virtual_ops_in_bb,
1552 slpeel_tree_duplicate_loop_to_edge_cfg,
1553 rename_variables_in_loop): Declared.
1554 * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
1555 (OBJS-common): Add tree-loop-distribution.o.
1556 (tree-loop-distribution.o): New rule.
1557 * tree-cfg.c (mark_virtual_ops_in_bb): New.
1558 (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
1559 * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
1561 2008-02-28 Joseph Myers <joseph@codesourcery.com>
1563 PR target/33963
1564 * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
1565 other than structures and unions.
1567 2008-02-28 Richard Guenther <rguenther@suse.de>
1569 Revert:
1570 2008-02-26 Richard Guenther <rguenther@suse.de>
1572 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1573 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1574 (lookup_decl_from_uid): Declare.
1575 (remove_decl_from_map): Likewise.
1576 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1577 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1578 (decl_for_uid_map): New global hashtable mapping DECL_UID
1579 to the decl tree.
1580 (init_ttree): Allocate it.
1581 (insert_decl_to_uid_decl_map): New helper function.
1582 (make_node_stat): Insert new decls into the map.
1583 (copy_node_stat): Likewise.
1584 (lookup_decl_from_uid): New function.
1585 (remove_decl_from_map): Likewise.
1586 (print_decl_for_uid_map_statistics): New helper.
1587 (dump_tree_statistics): Call it.
1589 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1590 (referenced_var_iterator): Adjust.
1591 (FOR_EACH_REFERENCED_VAR): Adjust.
1592 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1593 (num_referenced_vars): Adjust.
1594 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1595 (first_referenced_var): Remove.
1596 (end_referenced_vars_p): Likewise.
1597 (next_referenced_var): Likewise.
1598 (referenced_var_iterator_set): New helper function.
1599 * tree-dfa.c (referenced_var_lookup): Adjust.
1600 (referenced_var_check_and_insert): Likewise.
1601 (remove_referenced_var): Likewise.
1602 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1603 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1604 (verify_call_clobbering): Likewise.
1605 (verify_memory_partitions): Likewise.
1606 (init_tree_ssa): Allocate bitmap instead of hashtable for
1607 referenced_vars.
1608 (delete_tree_ssa): Adjust.
1609 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1610 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1611 (compute_tag_properties): Likewise.
1612 (set_initial_properties): Likewise.
1613 (find_partition_for): Likewise.
1614 (update_reference_counts): Likewise.
1615 (dump_may_aliases_for): Likewise.
1616 * tree-ssa-operands.c (add_virtual_operand): Likewise.
1617 (add_call_clobber_ops): Likewise.
1618 (add_call_read_ops): Likewise.
1619 (get_asm_expr_operands): Likewise.
1620 * tree-into-ssa.c (dump_decl_set): Likewise.
1621 (update_ssa): Likewise.
1622 * tree-sra.c (scan_function): Likewise.
1623 (decide_instantiations): Likewise.
1624 (scalarize_parms): Likewise.
1625 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1626 (dsa_named_for): Likewise.
1627 * tree-ssa-structalias.c (update_alias_info): Likewise.
1628 (merge_smts_into): Likewise.
1630 2008-02-27 David Daney <ddaney@avtrex.com>
1632 PR target/34409
1633 * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
1634 * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
1635 * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
1636 * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
1637 * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
1639 2008-02-27 Uros Bizjak <ubizjak@gmail.com>
1641 PR target/25477
1642 * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
1643 (BUILT_IN_NEXTTOWARD): Remove.
1644 (BUILT_IN_NEXTTOWARDF): Ditto.
1645 * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
1646 alloca/strcpy/strcat. Remove commented-out code. Fix whitespace.
1648 2008-02-27 Tom Tromey <tromey@redhat.com>
1650 * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
1651 DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
1653 2008-02-27 Jan Beulich <jbeulich@novell.com>
1655 * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
1656 update the respective field on newdecl.
1658 2008-02-27 Revital Eres <eres@il.ibm.com>
1660 PR rtl-optimization/34999
1661 * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
1662 crossing edges that ends with a call insn.
1663 (fix_up_fall_thru_edges): Handle crossing edges that ends with a
1664 call insn and clear the EDGE_CROSSING flag of the crossing edge
1665 when fixing fallthru edges.
1667 2008-02-27 Richard Guenther <rguenther@suse.de>
1669 PR middle-end/35390
1670 * fold-const.c (fold_unary): Return the correct argument,
1671 converted to the result type.
1673 2008-02-27 Richard Guenther <rguenther@suse.de>
1675 PR middle-end/34971
1676 * expr.c (expand_expr_real_1): Assert on rotates that operate
1677 on partial modes.
1678 * fold-const.c (fold_binary): Use the types precision, not the
1679 bitsize of the mode if folding rotate expressions. Build rotates
1680 only for full modes.
1682 2008-02-27 Jakub Jelinek <jakub@redhat.com>
1684 * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
1685 and CPP_PRAGMA_EOL.
1686 * c-pragma.c (pragma_ns_name): New typedef.
1687 (registered_pp_pragmas): New variable.
1688 (c_pp_lookup_pragma): New function.
1689 (c_register_pragma_1): If flag_preprocess_only, do nothing
1690 for non-expanded pragmas, for expanded ones push pragma's
1691 namespace and name into registered_pp_pragmas vector.
1692 (c_invoke_pragma_handler): Register OpenMP pragmas even when
1693 flag_preprocess_only, don't register GCC pch_preprocess
1694 pragma if flag_preprocess_only.
1695 * c-opts.c (c_common_init): Call init_pragma even if
1696 flag_preprocess_only.
1697 * c-pragma.c (c_pp_lookup_pragma): New prototype.
1698 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
1699 cpp_register_pragma if flag_preprocess_only.
1701 2008-02-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1703 PR c/28800
1704 * c-parser.c (c_parser_translation_unit): Warn for empty
1705 translation unit, not empty source file.
1707 2008-02-26 Paul Brook <paul@codesourcery.com>
1709 * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
1710 operand for Thumb-2.
1711 * config/arm/arm.h (reg_class): Add CORE_REGS.
1712 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
1713 (BASE_REG_CLASS): Use CORE_REGS.
1714 (PREFERRED_RELOAD_CLASS): Add STACK_REG.
1715 (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
1716 (REGNO_OK_FOR_INDEX_P): Exclude SP.
1717 (ARM_REG_OK_FOR_INDEX_P): Always define. Use
1718 ARM_REGNO_OK_FOR_INDEX_P.
1719 (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
1720 * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
1721 arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
1722 (ldm/stm peepholes): Ditto.
1723 * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
1724 * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
1725 * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
1726 * config/arm/constraints.md: Enable "k" constraint on ARM.
1728 2008-02-27 Ben Elliston <bje@au.ibm.com>
1730 * config/rs6000/rs6000.c: Annotate cache line size field in all
1731 instances of struct processor_costs.
1733 2008-02-26 David Edelsohn <edelsohn@gnu.org>
1735 * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
1736 dse2, gcse, if_conversion, if_after_combine, if_after_reload,
1737 jump_bypass): New counters.
1738 * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
1739 * dce.c (gate_ud_dce): Same.
1740 (gate_fast_dce): Same.
1741 * dse.c (gate_dse1): New function.
1742 (gate_dse2): New function.
1743 (gate_dse): Merge results of new gate functions.
1744 * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
1745 (gate_handle_jump_bypass): Add dbg_cnt.
1746 (gate_handle_gcse): Add dbg_cnt.
1747 * ifcvt.c (gate_handle_if_conversion): Same.
1748 (gate_handle_if_after_combine): Same.
1749 (gate_handle_if_after_reload): Same.
1750 * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
1752 2008-02-26 Edmar Wienskoski <edmar@freescale.com>
1754 * config/rs6000/rs6000.c (processor_costs): Update e300 cache
1755 line sizes.
1756 * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
1758 2008-02-26 Jason Merrill <jason@redhat.com>
1760 PR c++/35315
1761 * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
1762 alone if it's the naming decl for the type's main variant.
1764 2008-02-26 Tom Tromey <tromey@redhat.com>
1766 * system.h (USE_MAPPED_LOCATION): Poison.
1767 * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
1768 * tree-cfg.c (make_cond_expr_edges): Remove old location code.
1769 (make_goto_expr_edges): Likewise.
1770 (remove_bb): Likewise.
1771 (execute_warn_function_return): Likewise.
1772 * basic-block.h (struct edge_def) <goto_locus>: Change type to
1773 location_t.
1774 * c-common.c (fname_decl): Remove old location code.
1775 * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
1776 location code.
1777 * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
1778 variant.
1779 (ASM_INPUT_SOURCE_LOCATION): Likewise.
1780 (gen_rtx_ASM_INPUT): Likewise.
1781 (gen_rtx_ASM_INPUT_loc): Likewise.
1782 (get_rtx_asm_OPERANDS): Remove.
1783 * cfglayout.c (insn_locators_alloc): Remove old location code.
1784 (set_curr_insn_source_location): Likewise.
1785 (curr_insn_locator): Likewise.
1786 * print-tree.c (print_node): Remove old location code.
1787 * tree-mudflap.c (mf_varname_tree): Remove old location code.
1788 (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
1789 * cfgexpand.c (expand_gimple_cond_expr): Don't use
1790 location_from_locus.
1791 (construct_exit_block): Remove old location code.
1792 * emit-rtl.c (force_next_line_note): Remove old location code.
1793 * profile.c (branch_prob): Remove old location code.
1794 * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
1795 LOC_LINE): Remove old-location variants.
1796 * langhooks.c (lhd_print_error_function): Remove old location
1797 code.
1798 * configure, config.in: Rebuilt.
1799 * configure.ac (--enable-mapped-location): Remove.
1800 * c-decl.c (c_init_decl_processing): Remove old location code.
1801 (finish_function): Likewise.
1802 * recog.c (decode_asm_operands): Remove old location code.
1803 * c-pch.c (c_common_read_pch): Remove old location code.
1804 * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
1805 variants.
1806 * gimple-low.c (lower_function_body): Remove old location code.
1807 * toplev.c (unknown_location): Remove.
1808 (push_srcloc): Remove old-location variant.
1809 (process_options): Remove old location code.
1810 (lang_dependent_init): Likewise.
1811 * input.h (UNKNOWN_LOCATION): Move definition.
1812 (location_t): Undeprecate.
1813 (source_locus): Remove.
1814 (location_from_locus): Remove.
1815 (struct location_s): Remove.
1816 Remove all old-location code.
1817 (input_line, input_filename): Remove.
1818 * final.c (final_scan_insn): Remove old location code.
1819 * diagnostic.c (diagnostic_build_prefix): Remove
1820 USE_MAPPED_LOCATION test.
1821 * tree.h (gimple_stmt) <locus>: Now a location_t.
1822 (tree_exp) <locus>: Likewise.
1823 (DECL_IS_BUILTIN): Remove old-location variant.
1824 (annotate_with_file_line, annotate_with_locus): Likewise.
1825 (expr_locus, set_expr_locus): Update.
1826 * tree.c (build1_stat): Remove old location code.
1827 (last_annotated_node): Remove.
1828 (annotate_with_file_line): Remove old-location variant.
1829 (annotate_with_locus): Likewise.
1830 (expr_location): Remove old location code.
1831 (set_expr_location): Likewise.
1832 (expr_has_location): Likewise.
1833 (expr_locus): Likewise.
1834 (set_expr_locus): Likewise.
1835 (expr_filename): Don't use location_from_locus.
1836 (expr_lineno): Likewise.
1837 * rtl-error.c (location_for_asm): Remove old location code.
1838 * c-lex.c (cb_line_change): Remove old location code.
1839 (fe_file_change): Likewise.
1840 (cb_def_pragma): Likewise.
1841 (c_lex_with_flags): Likewise.
1842 * gengtype.c (do_typedef): Don't special-case location types.
1843 (define_location_structures): Remove.
1844 (main): Don't call define_location_structures.
1845 * tree-pretty-print.c (dump_implicit_edges): Remove old location
1846 code.
1848 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1850 PR 26264
1851 * builtins.def (BUILT_IN_STDARG_START): Remove.
1852 * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
1853 * tree-stdarg.c (execute_optimize_stdarg): Likewise.
1854 * tree-inline.c (inline_forbidden_p_1): Likewise.
1856 2008-02-26 Richard Guenther <rguenther@suse.de>
1858 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1859 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1860 (lookup_decl_from_uid): Declare.
1861 (remove_decl_from_map): Likewise.
1862 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1863 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1864 (decl_for_uid_map): New global hashtable mapping DECL_UID
1865 to the decl tree.
1866 (init_ttree): Allocate it.
1867 (insert_decl_to_uid_decl_map): New helper function.
1868 (make_node_stat): Insert new decls into the map.
1869 (copy_node_stat): Likewise.
1870 (lookup_decl_from_uid): New function.
1871 (remove_decl_from_map): Likewise.
1872 (print_decl_for_uid_map_statistics): New helper.
1873 (dump_tree_statistics): Call it.
1875 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1876 (referenced_var_iterator): Adjust.
1877 (FOR_EACH_REFERENCED_VAR): Adjust.
1878 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1879 (num_referenced_vars): Adjust.
1880 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1881 (first_referenced_var): Remove.
1882 (end_referenced_vars_p): Likewise.
1883 (next_referenced_var): Likewise.
1884 (referenced_var_iterator_set): New helper function.
1885 * tree-dfa.c (referenced_var_lookup): Adjust.
1886 (referenced_var_check_and_insert): Likewise.
1887 (remove_referenced_var): Likewise.
1888 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1889 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1890 (verify_call_clobbering): Likewise.
1891 (verify_memory_partitions): Likewise.
1892 (init_tree_ssa): Allocate bitmap instead of hashtable for
1893 referenced_vars.
1894 (delete_tree_ssa): Adjust.
1895 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1896 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1897 (compute_tag_properties): Likewise.
1898 (set_initial_properties): Likewise.
1899 (find_partition_for): Likewise.
1900 (update_reference_counts): Likewise.
1901 (dump_may_aliases_for): Likewise.
1902 * tree-ssa-operands.c (add_virtual_operand): Likewise.
1903 (add_call_clobber_ops): Likewise.
1904 (add_call_read_ops): Likewise.
1905 (get_asm_expr_operands): Likewise.
1906 * tree-into-ssa.c (dump_decl_set): Likewise.
1907 (update_ssa): Likewise.
1908 * tree-sra.c (scan_function): Likewise.
1909 (decide_instantiations): Likewise.
1910 (scalarize_parms): Likewise.
1911 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1912 (dsa_named_for): Likewise.
1913 * tree-ssa-structalias.c (update_alias_info): Likewise.
1914 (merge_smts_into): Likewise.
1916 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1918 PR 34351
1919 * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
1920 * c-opts.c (c_common_handle_option): Wall enables
1921 Wvolatile-register-var.
1922 * common.opt: Move Wvolatile-register-var to...
1923 * c.opt: ...here.
1925 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1927 * common.opt (Wlarger-than=): New.
1928 * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
1929 -Wlarger-than=.
1930 * opts.c (common_handle_option): Handle -Wlarger-than=.
1931 * optc-gen.awk: Likewise.
1932 * opth-gen.awk: Likewise.
1933 * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
1934 * tree-optimize.c (tree_rest_of_compilation): Likewise.
1936 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1938 * c-common.c (match_case_to_enum_1): Add appropriate
1939 OPT_W* parameter to warning.
1940 (c_do_switch_warnings): Likewise.
1941 * c-typeck.c (warning_init): Add one more parameter following
1942 'warning' function.
1943 (push_init_level): Update call to warning_init.
1944 (pop_init_level): Likewise.
1945 (add_pending_init): Likewise.
1946 (output_init_element: Likewise.
1948 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1950 PR 28322
1951 * toplev.c (toplev_main): If there are warnings or error, print
1952 errors for ignored options.
1953 * opts.c (ignored_options): New static variable.
1954 (postpone_unknown_option_error): New.
1955 (print_ignored_options): New.
1956 (handle_option): Postpone errors for unknown -Wno-* options.
1957 * opts.h (print_ignored_options): Declare.
1959 2008-02-25 Richard Sandiford <rsandifo@nildram.co.uk>
1961 * config/mips/mips.md (loadgp_blockage, blockage): Change type
1962 to "ghost".
1964 2008-02-25 Richard Guenther <rguenther@suse.de>
1966 Revert:
1967 2008-02-25 Richard Guenther <rguenther@suse.de>
1969 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1970 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1971 (lookup_decl_from_uid): Declare.
1972 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1973 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1974 (decl_for_uid_map): New global hashtable mapping DECL_UID
1975 to the decl tree.
1976 (init_ttree): Allocate it.
1977 (insert_decl_to_uid_decl_map): New helper function.
1978 (make_node_stat): Insert new decls into the map.
1979 (copy_node_stat): Likewise.
1980 (lookup_decl_from_uid): New function.
1981 (print_decl_for_uid_map_statistics): New helper.
1982 (dump_tree_statistics): Call it.
1984 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1985 (referenced_var_iterator): Adjust.
1986 (FOR_EACH_REFERENCED_VAR): Adjust.
1987 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1988 (num_referenced_vars): Adjust.
1989 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1990 (first_referenced_var): Remove.
1991 (end_referenced_vars_p): Likewise.
1992 (next_referenced_var): Likewise.
1993 (referenced_var_iterator_set): New helper function.
1994 * tree-dfa.c (referenced_var_lookup): Adjust.
1995 (referenced_var_check_and_insert): Likewise.
1996 (remove_referenced_var): Likewise.
1997 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1998 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1999 (verify_call_clobbering): Likewise.
2000 (verify_memory_partitions): Likewise.
2001 (init_tree_ssa): Allocate bitmap instead of hashtable for
2002 referenced_vars.
2003 (delete_tree_ssa): Adjust.
2004 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2005 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2006 (compute_tag_properties): Likewise.
2007 (set_initial_properties): Likewise.
2008 (find_partition_for): Likewise.
2009 (update_reference_counts): Likewise.
2010 (dump_may_aliases_for): Likewise.
2011 * tree-ssa-operands.c (add_virtual_operand): Likewise.
2012 (add_call_clobber_ops): Likewise.
2013 (add_call_read_ops): Likewise.
2014 (get_asm_expr_operands): Likewise.
2015 * tree-into-ssa.c (dump_decl_set): Likewise.
2016 (update_ssa): Likewise.
2017 * tree-sra.c (scan_function): Likewise.
2018 (decide_instantiations): Likewise.
2019 (scalarize_parms): Likewise.
2020 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2021 (dsa_named_for): Likewise.
2022 * tree-ssa-structalias.c (update_alias_info): Likewise.
2023 (merge_smts_into): Likewise.
2025 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
2027 PR fortran/29549
2028 * doc/invoke.texi (-fcx-limited-range): Document new option.
2029 * toplev.c (process_options): Handle -fcx-fortran-rules.
2030 * common.opt: Add documentation for -fcx-fortran-rules.
2032 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
2034 PR c/35162
2035 * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
2036 actual behaviour and C99.
2038 2008-02-26 Ben Elliston <bje@au.ibm.com>
2040 * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
2041 (ASM_CPU_POWER6_SPEC): Likewise.
2042 (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
2043 Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
2044 (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
2046 2008-02-25 Richard Guenther <rguenther@suse.de>
2048 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2049 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2050 (lookup_decl_from_uid): Declare.
2051 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2052 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2053 (decl_for_uid_map): New global hashtable mapping DECL_UID
2054 to the decl tree.
2055 (init_ttree): Allocate it.
2056 (insert_decl_to_uid_decl_map): New helper function.
2057 (make_node_stat): Insert new decls into the map.
2058 (copy_node_stat): Likewise.
2059 (lookup_decl_from_uid): New function.
2060 (print_decl_for_uid_map_statistics): New helper.
2061 (dump_tree_statistics): Call it.
2063 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2064 (referenced_var_iterator): Adjust.
2065 (FOR_EACH_REFERENCED_VAR): Adjust.
2066 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2067 (num_referenced_vars): Adjust.
2068 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2069 (first_referenced_var): Remove.
2070 (end_referenced_vars_p): Likewise.
2071 (next_referenced_var): Likewise.
2072 (referenced_var_iterator_set): New helper function.
2073 * tree-dfa.c (referenced_var_lookup): Adjust.
2074 (referenced_var_check_and_insert): Likewise.
2075 (remove_referenced_var): Likewise.
2076 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2077 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2078 (verify_call_clobbering): Likewise.
2079 (verify_memory_partitions): Likewise.
2080 (init_tree_ssa): Allocate bitmap instead of hashtable for
2081 referenced_vars.
2082 (delete_tree_ssa): Adjust.
2083 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2084 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2085 (compute_tag_properties): Likewise.
2086 (set_initial_properties): Likewise.
2087 (find_partition_for): Likewise.
2088 (update_reference_counts): Likewise.
2089 (dump_may_aliases_for): Likewise.
2090 * tree-ssa-operands.c (add_virtual_operand): Likewise.
2091 (add_call_clobber_ops): Likewise.
2092 (add_call_read_ops): Likewise.
2093 (get_asm_expr_operands): Likewise.
2094 * tree-into-ssa.c (dump_decl_set): Likewise.
2095 (update_ssa): Likewise.
2096 * tree-sra.c (scan_function): Likewise.
2097 (decide_instantiations): Likewise.
2098 (scalarize_parms): Likewise.
2099 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2100 (dsa_named_for): Likewise.
2101 * tree-ssa-structalias.c (update_alias_info): Likewise.
2102 (merge_smts_into): Likewise.
2104 2008-02-25 Andreas Krebbel <krebbel1@de.ibm.com>
2106 PR target/35258
2107 * cse.c (cse_insn): Avoid creation of overlapping MEMs.
2108 * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
2109 * alias.h (nonoverlapping_memrefs_p): Likewise.
2111 2008-02-25 Jan Beulich <jbeulich@novell.com>
2113 * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
2114 * config/i386/netware-libgcc.exp: Add __bswap?i2,
2115 __emultls_get_address, __emultls_register_common,
2116 __floatundi?f, and _Unwind_GetIPInfo.
2117 * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
2118 Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
2119 (gen_regparm_prefix): Likewise.
2120 (i386_nlm_encode_section_info): Sync with
2121 config/i386/winnt.c:i386_pe_encode_section_info().
2122 (i386_nlm_maybe_mangle_decl_assembler_name): New.
2123 i386_nlm_mangle_decl_assembler_name): New.
2124 (netware_override_options): New.
2125 * config/i386/netware.h (netware_override_options): Declare.
2126 (OVERRIDE_OPTIONS): Re-define to netware_override_options.
2127 (i386_nlm_mangle_decl_assembler_name): Declare.
2128 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
2130 2008-02-25 Ben Elliston <bje@au.ibm.com>
2132 PR other/32948
2133 * c-decl.c (grokdeclarator): Remove unused local variables
2134 `typedef_type' and `type_as_written'.
2135 * bb-reorder.c
2136 (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
2137 unused local variable `has_hot_blocks'.
2138 (fix_crossing_conditional_branches): Remove unused local variable
2139 `prev_bb'.
2141 2008-02-25 Uros Bizjak <ubizjak@gmail.com>
2143 PR middle-end/19984
2144 * builtins.def (BUILT_IN_NAN): Define as c99 builtin
2145 using DEF_C99_BUILTIN.
2146 (BUILT_IN_NANF): Ditto.
2147 (BUILT_IN_NANL): Ditto.
2149 2008-02-25 Ayal Zaks <zaks@il.ibm.com>
2150 Revital Eres <eres@il.ibm.com>
2152 * modulo-sched.c (calculate_must_precede_follow): Address TODO
2153 regarding the order of two dependent insns in the same row.
2155 2008-02-25 Eric Botcazou <ebotcazou@adacore.com>
2157 * stor-layout.c (layout_decl): Do not bump the alignment of a
2158 bit-field to more than byte alignment if it is packed.
2160 2008-02-24 David Edelsohn <edelsohn@gnu.org>
2162 * config/rs6000/rs6000.c (processor_costs): Add cache costs for
2163 e300c2 and e300c3.
2165 2008-02-24 Diego Novillo <dnovillo@google.com>
2167 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
2169 PR 33738
2170 * tree-vrp.c (vrp_evaluate_conditional): With
2171 -Wtype-limits, emit a warning when comparing against a
2172 constant outside the natural range of OP0's type.
2173 * c.opt (Wtype-limits): Move ...
2174 * common.opt (Wtype-limits): ... here.
2176 2008-02-24 Edmar Wienskoski <edmar@freescale.com>
2178 * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
2179 * config/rs6000/e300c2c3.md: New file.
2180 * config/rs6000/rs6000.c (processor_costs): Add new costs for
2181 e300c2 and e300c3.
2182 (rs6000_override_options): Add e300c2 and e300c3 cases to
2183 processor_target_table. Do not allow usage of Altivec or Spe
2184 with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
2185 (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
2186 * config/rs6000/rs6000.h (processor_type): Add
2187 PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
2188 (ASM_CPU_SPEC): Add e300c2 and e300c3.
2189 * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
2190 and ppce300c3. Include e300c2c3.md.
2192 2008-02-23 David Edelsohn <edelsohn@gnu.org>
2194 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
2195 instead of TARGET_STRICT_ALIGN.
2197 2008-02-23 Joseph Myers <joseph@codesourcery.com>
2199 * explow.c (memory_address): Assert that the generated address is
2200 valid.
2202 2008-02-23 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2204 PR target/25477
2205 * config/darwin-protos.h: Add darwin_patch_builtins prototype.
2206 * config/darwin-ppc-ldouble-patch.def: New file.
2207 * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
2208 * config/rs6000/rs6000.c (rs6000_init_builtins): Call
2209 SUBTARGET_INIT_BUILTINS if defined.
2210 * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
2211 New functions.
2213 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
2215 PR rtl-opt/33512
2216 * simplify-rtx.c (simplify_binary_operation_1): Add simplification
2217 of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
2219 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
2221 PR pch/35027
2222 * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
2223 file" warning condtional on -Winvalid-PCH.
2225 2008-02-23 Daniel Jacobowitz <dan@codesourcery.com>
2227 * expmed.c (extract_bit_field): Always use adjust_address for MEM.
2229 2008-02-23 Uros Bizjak <ubizjak@gmail.com>
2231 PR target/22076
2232 PR target/34256
2233 * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
2234 prevent reload from using MMX registers.
2235 (*mov<mode>_internal): Ditto.
2236 (*movv2sf_internal_rex64): Ditto.
2237 (*movv2sf_internal): Ditto.
2239 2008-02-23 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2241 PR documentation/31569
2242 * doc/install.texi2html: Use makeinfo --no-number-sections.
2244 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
2246 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
2247 ensure that we can address an entire entity > 8 bytes. Don't
2248 generate reg+reg addressing for such data.
2250 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
2252 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
2253 strings when optimizing for size, unless the target cares about
2254 alignment.
2256 2008-02-22 Tom Tromey <tromey@redhat.com>
2258 * regclass.c (current_pass): Remove declaration.
2260 2008-02-22 Anatoly Sokolov <aesok@post.ru>
2262 * config/avr/libgcc.S (__RAMPZ__): Define.
2263 (__do_copy_data): Add for devices with 128KB code memory.
2265 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
2267 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
2268 Use spe_abi.
2269 * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
2271 2008-02-22 Hans-Peter Nilsson <hp@axis.com>
2273 * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
2274 GENNONACR_REGS.
2276 2008-02-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2278 PR c/19999
2279 * c-typeck.c (build_binary_op): Warn about floating point
2280 comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
2282 2008-02-21 Janis Johnson <janis187@us.ibm.com>
2284 PR target/34526
2285 * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
2286 (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
2287 add vrsave.
2288 (rs6000_override_options): Set altivec_abi as default, not override,
2289 for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
2290 TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
2291 is used; use new member spe_abi.
2292 (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
2293 spe_abi and altivec_abi.
2295 2008-02-22 Tomas Bily <tbily@suse.cz>
2297 * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
2299 2008-02-21 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2301 PR bootstrap/35273
2302 * config.build (build_file_translate): Set to `CMD //c' only if
2303 it works.
2304 * Makefile.in (build_file_translate): Improve comment.
2306 2008-02-21 Jan Hubicka <jh@suse.cz>
2308 * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
2309 PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
2310 PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
2312 2008-02-21 Michael Matz <matz@suse.de>
2314 PR target/35264
2315 * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
2317 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
2319 * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
2320 movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
2321 as insn constraint.
2322 * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
2323 from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
2324 SSE_VEC_FLOAT_MODE_P as insn constraint.
2325 (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
2326 (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
2327 sse4a_movntdf using MODEF mode iterator.
2328 (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
2329 sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
2330 (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
2331 (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
2332 (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
2333 (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
2334 (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
2336 2008-02-21 Richard Guenther <rguenther@suse.de>
2338 * tree.def (PAREN_EXPR): New tree code.
2339 * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
2340 and PAREN_EXPR.
2341 * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
2342 * expr.c (expand_expr_real_1): Likewise.
2343 * tree-inline.c (estimate_num_insns_1): Likewise.
2344 * tree-complex.c (expand_complex_move): Likewise.
2345 * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
2346 as plain x.
2348 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
2350 PR target/35225
2351 * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
2353 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
2355 PR target/35190
2356 * config/sh/sh.md (jump_compact): Disable for crossing jumps.
2358 * config/sh/sh.c (find_barrier): Don't go past
2359 NOTE_INSN_SWITCH_TEXT_SECTIONS note.
2361 2008-02-20 DJ Delorie <dj@redhat.com>
2363 * config/h8300/h8300.md (insv): Force source operand to be a register.
2365 * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
2366 as a jump, not as a plain insn.
2368 2008-02-20 Seongbae Park <seongbae.park@gmail.com>
2370 * doc/invoke.texi (Warning Options): Add new option
2371 -Wframe-larger-than=.
2372 (-Wframe-larger-than): Document.
2374 * flags.h (warn_frame_larger_than, frame_larger_than_size):
2375 Add declarations for new option variables.
2377 * final.c (final_start_function): Check the frame size
2378 before emission and issue a Wframe-larger-than warning.
2380 * opts.c (warn_frame_larger_than, frame_larger_than_size):
2381 Add definitions for new option variables.
2382 (common_handle_option): Handle new option OPT_Wframe_larger_than_.
2384 * common.opt (Wframe-larger-than=): New option.
2386 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
2388 * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
2389 (<sse>_div<mode>3): Ditto.
2390 (<sse>_vmdiv<mode>3): Ditto.
2391 (<sse>_vmsqrt<mode>2): Ditto.
2392 (*smax<mode>3): Ditto.
2393 (sse5_frcz<mode>2): Ditto.
2394 (sse5_vmfrcz<mode>2): Ditto. Use TARGET_SSE5 instead of TARGET_ROUND
2395 as insn constraint.
2397 2008-02-20 Richard Guenther <rguenther@suse.de>
2399 PR middle-end/35265
2400 * builtins.c (validate_arg): If we want an INTEGER_TYPE,
2401 be happy with INTEGRAL_TYPE_P.
2403 2008-02-20 Richard Guenther <rguenther@suse.de>
2405 * fold-const.c (split_tree): Associate floatig-point expressions
2406 if flag_associative_math is set.
2408 2008-02-20 Richard Guenther <rguenther@suse.de>
2410 * tree.h (fold_real_zero_addition_p): Declare.
2411 * fold-const.c (fold_real_zero_addition_p): Export.
2412 * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
2413 floating-point operations with zero and one.
2415 2008-02-20 Paolo Bonzini <bonzini@gnu.org>
2417 * doc/install.texi: Correct references to CFLAGS, replacing them
2418 with BOOT_CFLAGS. Document flags used during bootstrap for
2419 target libraries.
2421 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
2423 * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
2424 * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
2425 and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
2426 insn constraint.
2427 (smin<mode>3): Ditto from similar patterns.
2428 (smax<mode>3): Ditto.
2429 (*ieee_smin<mode>3): Ditto.
2430 (*ieee_smax<mode>3): Ditto.
2431 * config/i386/sse.md (sse): New mode attribute.
2432 (mov<mode>): Macroize expander from movv4sf and movv2df using
2433 SSEMODEF2P mode iterator.
2434 (<sse>_movnt<mode>): Ditto from similar patterns. Use
2435 SSE_VEC_FLOAT_MODE_P as insn constraint.
2436 (storent<mode>): Ditto.
2437 (storent<mode>): Macroize expander from storentsf and storentdf using
2438 MODEF mode iterator.
2439 (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
2440 mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
2441 (abs<mode>2): Ditto from similar patterns.
2442 (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
2443 (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
2444 (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
2445 (<sse>_vmsqrt<mode>2): Ditto.
2446 (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
2447 (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
2448 (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
2449 (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
2450 (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
2451 sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
2452 mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
2453 insn constraint.
2454 (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
2455 iterator and SSE_FLOAT_MODE_P as insn constraint.
2456 (<sse>_ucomi): Ditto from similar patterns.
2457 (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
2458 sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
2459 SSE_VEC_FLOAT_MODE_P as insn constraint.
2460 (vcond<mode>): Ditto from similar patterns.
2461 (and<mode>3, *and<mode>3): Ditto.
2462 (<sse>_nand<mode>3): Ditto.
2463 (ior<mode>3, *ior<mode>3): Ditto.
2464 (xor<mode>3, *xor<mode>3): Ditto.
2465 (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
2466 iterator and SSE_FLOAT_MODE_P as insn constraint.
2467 (*nand<mode>3): Ditto from similar patterns.
2468 (*ior<mode>3): Ditto.
2469 (*xor<mode>3): Ditto.
2471 2008-02-20 Ira Rosen <irar@il.ibm.com>
2473 * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
2474 vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
2475 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
2477 2008-02-19 Jan Hubicka <jh@suse.cz>
2479 * predict.c (tree_bb_level_predictions): Remove variable next
2480 mistakely introduced by previous commit.
2482 2008-02-19 Jan Hubicka <jh@suse.cz>
2484 * predict.c (predict_paths_leading_to): Rewrite.
2485 (predict_paths_for_bb): New.
2486 (tree_bb_level_predictions): Update call of predict_paths_leading_to.
2488 2008-02-19 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2490 PR bootstrap/35218
2491 * Makefile.in (build_file_translate): New.
2492 (gcc-vers.texi): Use it for translating $(abs_srcdir).
2493 * config.build (build_file_translate): Set to `CMD //c' on MinGW.
2494 * configure.ac (build_file_translate): Substitute it.
2495 * configure: Regenerate.
2497 2008-02-19 Jan Hubicka <jh@suse.cz>
2499 PR rtl-optimization/34408
2500 * see.c (see_def_extension_not_merged): Copy subreg so we don't have
2501 invalid sharing.
2503 2008-02-19 Jan Hubicka <jh@suse.cz>
2505 PR middle-end/28779
2506 * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
2507 call_expr.
2509 2008-02-19 H.J. Lu <hongjiu.lu@intel.com>
2511 PR Ada/35186
2512 * config/i386/i386-modes.def: Revert the last DI alignment
2513 change until Ada people can look into it.
2515 2008-02-19 Nick Clifton <nickc@redhat.com>
2517 * opts.c (print_specific_help): Fix typo in --help text.
2519 2008-02-19 Jakub Jelinek <jakub@redhat.com>
2521 PR target/35239
2522 * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
2523 32-bit inline asm without asm alternatives for host GCC < 3.0.
2525 2008-02-19 Richard Guenther <rguenther@suse.de>
2527 PR tree-optimization/34989
2528 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
2529 Allow propagation to INDIRECT_REF if we can simplify only.
2531 2008-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2533 * c-common.c (warn_for_collisions_1): Use appropriate option when
2534 warning.
2536 2008-02-19 Nick Clifton <nickc@redhat.com>
2538 PR other/31349
2539 * opts.c (undocumented_msg): Leave blank unless checking is enabled.
2540 (handle_options): Fix indentation.
2541 (print_filtered_help): If no language-specific options were
2542 displayed tell the user how to list all the options supported by
2543 the language's front-end.
2544 (print_specific_help): Fix indentation and remove duplicate line.
2545 (common_handle_option): Handle the -v option.
2546 For --help enable the display of undocumented options if the -v
2547 switch has been included on the command line.
2548 For --help= check for overlaps in the arguments between the option
2549 classes and the language names and issue a warning when they
2550 cannot be disambiguated.
2551 * c.opt (v): Pass on to the common option handler.
2553 2008-02-19 Revital Eres <eres@il.ibm.com>
2555 * modulo-sched.c (sms_schedule): Change dump message when
2556 create_ddg function fails.
2557 (try_scheduling_node_in_cycle): Rename row to cycle.
2558 (print_partial_schedule): Rename CYCLE to ROW.
2560 2008-02-19 Christian Bruel <christian.bruel@st.com>
2561 Zdenek Dvorak <ook@ucw.cz>
2563 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
2565 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
2567 PR target/33555
2568 * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
2569 (*x86_movdicc_0_m1_se): Ditto.
2571 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
2573 * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
2574 (CMPtype): Define as __gcc_CMPtype.
2575 * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
2576 (CMPtype): Define as __gcc_CMPtype.
2578 2008-02-19 Hans-Peter Nilsson <hp@axis.com>
2580 Support valgrind 3.3 for --enable-checking=valgrind.
2581 * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
2582 here.
2583 [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
2584 [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
2585 [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
2586 * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
2587 Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
2588 VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
2589 VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
2590 respectively.
2591 * ggc-zone.c: Similar.
2592 * ggc-page.c: Similar.
2594 2008-02-19 Paul Brook <paul@codesourcery.com>
2596 PR target/35071
2597 * config/arm/ieee754-df.S: Fix do_it typo.
2598 * config/arm/ieee754-sf.S: Fix do_it typo.
2600 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
2602 PR target/35189
2603 * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
2604 (OPTION_MASK_ISA_3DNOW_SET): Likewise.
2605 (OPTION_MASK_ISA_SSE_SET): Likewise.
2606 (OPTION_MASK_ISA_SSE2_SET): Likewise.
2607 (OPTION_MASK_ISA_SSE3_SET): Likewise.
2608 (OPTION_MASK_ISA_SSSE3_SET): Likewise.
2609 (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
2610 (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
2611 (OPTION_MASK_ISA_SSE4_SET): Likewise.
2612 (OPTION_MASK_ISA_SSE4A_SET): Likewise.
2613 (OPTION_MASK_ISA_SSE5_SET): Likewise.
2614 (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
2615 (OPTION_MASK_ISA_MMX_UNSET): Updated.
2616 (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
2617 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
2618 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
2619 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
2620 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
2621 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
2622 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
2623 (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
2624 (OPTION_MASK_ISA_SSE4): Removed.
2625 (ix86_handle_option): Turn on bits in ix86_isa_flags and
2626 ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
2627 (override_options): Don't turn on implied SSE/MMX bits in
2628 ix86_isa_flags.
2630 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
2632 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2633 32bit host.
2635 2008-02-18 Joey Ye <joey.ye@intel.com>
2637 PR middle-end/34921
2638 * tree-nested.c (insert_field_into_struct): Set type alignment
2639 to field alignment if the former is less than the latter.
2641 2008-02-18 Jakub Jelinek <jakub@redhat.com>
2643 * BASE-VER: Set to 4.4.0.
2645 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2647 * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
2648 * doc/cfg.texi: Likewise.
2649 * doc/extend.texi: Likewise.
2650 * doc/gty.texi: Likewise.
2651 * doc/invoke.texi: Likewise.
2652 * doc/loop.texi: Likewise.
2653 * doc/md.texi: Likewise.
2654 * doc/passes.texi: Likewise.
2655 * doc/rtl.texi: Likewise.
2656 * doc/sourcebuild.texi: Likewise.
2657 * doc/tm.texi: Likewise.
2658 * doc/tree-ssa.texi: Likewise.
2660 2008-02-17 Richard Guenther <rguenther@suse.de>
2662 PR middle-end/35227
2663 * tree-complex.c (init_parameter_lattice_values): Handle parameters
2664 without default definition.
2666 2008-02-17 Richard Guenther <rguenther@suse.de>
2668 PR tree-optimization/35231
2669 * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
2670 if A | B != 1.
2672 2008-02-17 Uros Bizjak <ubizjak@gmail.com>
2674 Revert:
2676 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
2677 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
2678 libgcc_cmp_return mode.
2680 2008-02-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2682 PR c/28368
2683 * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
2685 2008-02-16 Ralf Corsepius <ralf.corsepius@rtems.org>
2687 * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
2688 multilibs.
2690 2008-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2692 * doc/c-tree.texi: Use `@.' where appropriate.
2693 * doc/extend.texi: Likewise.
2694 * doc/install.texi: Likewise.
2695 * doc/invoke.texi: Likewise.
2696 * doc/loop.texi: Likewise.
2697 * doc/makefile.texi: Likewise.
2698 * doc/md.texi: Likewise.
2699 * doc/passes.texi: Likewise.
2700 * doc/standards.texi: Likewise.
2701 * doc/tm.texi: Likewise.
2703 2008-02-15 Jakub Jelinek <jakub@redhat.com>
2705 PR middle-end/35196
2706 * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
2707 in entry_bb.
2708 (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
2709 rather than in entry_bb.
2711 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
2713 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
2714 libgcc_cmp_return mode.
2716 2008-02-15 Jakub Jelinek <jakub@redhat.com>
2718 PR middle-end/35130
2719 * tree-nested.c (convert_call_expr): Put FRAME.* vars into
2720 OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
2722 2008-02-15 Richard Guenther <rguenther@suse.de>
2723 Zdenek Dvorak <ook@ucw.cz>
2725 PR tree-optimization/35164
2726 * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
2727 * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
2728 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
2729 Only propagate addresses which do not have abnormal SSA_NAMEs
2730 in their operands.
2732 2008-02-15 Joseph Myers <joseph@codesourcery.com>
2734 PR target/35088
2735 * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
2737 2008-02-15 Jan Hubicka <jh@suse.cz>
2739 PR middle-end/35149
2740 * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
2742 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
2744 PR middle-end/34621
2745 * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
2746 when calculating alignment_pad.
2748 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
2750 * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
2751 (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
2752 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
2753 and STACK_BOUNDARY define.
2755 2008-02-14 Danny Smith <dannysmith@users.sourceforge.net>
2757 PR preprocessor/35061
2758 * c-pragma.c (handle_pragma_pop_macro): Check that
2759 pushed_macro_table has been allocated.
2761 2008-02-14 Eric Botcazou <ebotcazou@adacore.com>
2763 PR middle-end/35136
2764 * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
2765 (force_gimple_operand): Likewise.
2766 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
2767 for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
2768 Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
2769 (find_interesting_uses_address): Check addressability and alignment
2770 of the base expression only after substituting bases of IVs into it.
2772 2008-02-14 Michael Matz <matz@suse.de>
2774 PR target/34930
2775 * function.c (instantiate_virtual_regs_in_insn): Reload address
2776 before falling back to reloading the whole operand.
2778 2008-02-14 Andreas Krebbel <krebbel1@de.ibm.com>
2780 * config/s390/s390.c (s390_mainpool_start): Emit the pool
2781 before the first section switch note.
2783 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2785 * doc/bugreport.texi: Update copyright years.
2786 * doc/c-tree.texi: Likewise.
2787 * doc/cfg.texi: Likewise.
2788 * doc/cpp.texi: Likewise.
2789 * doc/cppinternals.texi: Likewise.
2790 * doc/fragments.texi: Likewise.
2791 * doc/frontends.texi: Likewise.
2792 * doc/gcc.texi: Likewise.
2793 * doc/gty.texi: Likewise.
2794 * doc/hostconfig.texi: Likewise.
2795 * doc/implement-c.texi: Likewise.
2796 * doc/libgcc.texi: Likewise.
2797 * doc/loop.texi: Likewise.
2798 * doc/makefile.texi: Likewise.
2799 * doc/options.texi: Likewise.
2800 * doc/passes.texi: Likewise.
2801 * doc/rtl.texi: Likewise.
2802 * doc/sourcebuild.texi: Likewise.
2803 * doc/standards.texi: Likewise.
2804 * doc/tree-ssa.texi: Likewise.
2805 * doc/trouble.texi: Likewise.
2807 * doc/extend.texi: Use @: or add comma where appropriate.
2808 * doc/invoke.texi: Likewise.
2809 * doc/tm.texi: Likewise.
2811 2008-02-14 Alan Modra <amodra@bigpond.net.au>
2813 PR target/34393
2814 * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
2815 to a reg.
2817 2008-02-14 Jesper Nilsson <jesper.nilsson@axis.com>
2819 * doc/md.texi (clz, ctz): Add reference.
2820 * doc/rtl.texi (clz, ctz): Likewise.
2822 2008-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2824 PR other/35148
2825 * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
2826 srcdir.
2828 2008-02-13 Andreas Krebbel <krebbel1@de.ibm.com>
2830 * config/s390/s390.c (struct constant_pool): New field
2831 emit_pool_after added.
2832 (s390_mainpool_start): Set the emit_pool_after flag according
2833 to the section switch notes.
2834 (s390_mainpool_finish): Consider emit_pool_after when emitting
2835 the literal pool at the end of the function.
2836 (s390_chunkify_start): Force literal pool splits at section
2837 switch notes.
2839 2008-02-13 Michael Matz <matz@suse.de>
2841 PR debug/35065
2842 * var-tracking.c (clobber_variable_part): Correctly traverse the
2843 list.
2845 2008-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2847 PR 29673
2848 * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
2849 Add -fdump-ipa-inline.
2850 * tree-dump.c (dump_files): Remove tree-inlined dump.
2851 * tree-pass.h (tree_dump_index): Remove TDI_inlined.
2853 2008-02-12 Richard Guenther <rguenther@suse.de>
2855 PR tree-optimization/35171
2856 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
2857 default defs.
2859 2008-02-12 Richard Guenther <rguenther@suse.de>
2861 PR middle-end/35163
2862 * fold-const.c (fold_widened_comparison): Use get_unwidened in
2863 value-preserving mode. Disallow final truncation.
2865 2008-02-12 Eric Botcazou <ebotcazou@adacore.com>
2867 PR middle-end/35136
2868 * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
2869 code from here to...
2870 (force_gimple_operand): ...here.
2872 2008-02-12 Jakub Jelinek <jakub@redhat.com>
2874 PR c++/35144
2875 * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
2876 non-compatible pointers.
2877 (generate_element_copy): If SRC and DST are RECORD_TYPEs with
2878 different FIELD_DECLs, try harder by comparing field offsets, sizes
2879 and types.
2881 PR inline-asm/35160
2882 * function.c (match_asm_constraints_1): Don't replace the same input
2883 multiple times.
2885 2008-02-12 Anatoly Sokolov <aesok@post.ru>
2887 * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
2888 * config/avr/avr.c (expand_prologue): Save RAMPZ register.
2889 (expand_epilogue): Restore RAMPZ register.
2890 * config/avr/avr.md (RAMPZ_ADDR): New constant.
2892 2008-02-11 Kai Tietz <kai.tietz@onevision.com>
2894 * config/i386/cygwin.asm: (__alloca): Correct calling
2895 convention and alignment.
2896 (__chkstk): Force 8 byte stack alignment.
2898 2008-02-11 Uros Bizjak <ubizjak@gmail.com>
2899 Richard Guenther <rguenther@suse.de>
2901 PR tree-optimization/33992
2902 * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
2903 the zero we compare against.
2905 2008-02-10 Danny Smith <dannysmith@users.sourceforge.net>
2907 PR libfortran/35063
2908 * gthr-win32.h (__gthread_mutex_destroy_function): New function
2909 to CloseHandle after unlocking to prevent accumulation of handle
2910 count.
2912 2008-02-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2914 PR middle_end/34150
2915 * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
2916 pic_label_operand source. Similarly, add a REG_LABEL_OPERAND note
2917 and update LABEL_NUSES during and after reload.
2919 2008-02-08 Steven Bosscher <stevenb.gcc@gmail.com>
2921 PR middle-end/34627
2922 * combine.c (simplify_if_then_else): Make sure the comparison is
2923 against const0_rtx when simplifying to (abs x) or (neg (abs X)).
2925 2008-02-08 Richard Sandiford <rsandifo@nildram.co.uk>
2927 PR bootstrap/35051
2928 * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
2929 (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
2930 * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
2931 (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
2932 * tree.h (get_type_static_bounds): Likewise.
2934 2008-02-08 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2936 * doc/invoke.texi (Option Summary, C++ Dialect Options)
2937 (Objective-C and Objective-C++ Dialect Options, Warning Options):
2938 Make -Wfoo language annotations match what the compiler outputs.
2940 2008-02-08 Sa Liu <saliu@de.ibm.com>
2942 * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
2943 intrinsics spu_convts, spu_convtu, spu_convtf.
2944 * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
2946 2008-02-08 Hans-Peter Nilsson <hp@axis.com>
2948 * doc/extend.texi (Function Attributes) <noinline>: Mention
2949 asm ("") as method to keep calls.
2951 2008-02-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2953 PR other/32754
2954 * doc/options.texi (Options): Replace references to opts.sh with
2955 optc-gen.awk.
2956 * opts-common.c: Likewise.
2957 * optc-gen.awk: Likewise.
2959 2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
2961 * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
2963 2008-02-07 Richard Henderson <rth@redhat.com>
2965 PR rtl-opt/33410
2966 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
2967 EXPR_LIST for the REG_EQUAL instead of a comparison with a
2968 funny mode.
2970 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
2972 PR tree-optimization/35085
2973 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
2974 for operand entry oe2 in addition to operand entry oe3 in order to
2975 expose more opportunities for vectorizer sum reduction.
2977 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2979 PR other/35107
2980 * Makefile.in (LIBS): Remove $(GMPLIBS).
2981 (cc1-dummy, cc1): Add $(GMPLIBS).
2983 2008-02-06 Jan Hubicka <jh@suse.cz>
2985 PR target/23322
2986 * i386.md (moddf_integer): Do not produce partial memory stalls for
2987 targets where it hurts.
2989 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
2991 PR target/35083
2992 * optabs.c (expand_float): Do not check for decimal modes when
2993 expanding unsigned integer through signed conversion.
2995 2008-02-06 Nick Clifton <nickc@redhat.com>
2997 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
2998 inside the clobber with a match_operand and duplicated operand
2999 number in the constraint.
3000 (ineqbranchsi): Delete redundant comment.
3002 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
3004 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
3005 builtin_define ("__USE_INIT_FINI__").
3006 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
3007 -msx multilibs.
3008 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
3010 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3012 PR documentation/30330
3013 * doc/invoke.texi (C++ Dialect Options)
3014 (Objective-C and Objective-C++ Dialect Options, Warning Options):
3015 For each warning option -Wfoo that allows -Wno-foo, ensure both
3016 -Wfoo and -Wno-foo are listed in the option index. Fix index
3017 entry of -Wswitch-default, index -Wnormalized= including the
3018 `=', and -Wlarger-than-@var{len} including @var{len}.
3020 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
3022 * config/i386/i386.md (floatunssisf2): Use
3023 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
3024 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
3025 Macroize expander using MODEF mode iterator.
3027 2008-02-05 Diego Novillo <dnovillo@google.com>
3029 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
3031 PR 33738
3032 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
3034 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3036 PR other/35070
3037 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
3039 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
3041 PR target/35084
3042 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
3043 to indicate if a message should be generated.
3044 (init_cumulative_args): Updated.
3045 (function_value_32): Likewise.
3047 2008-02-05 Joseph Myers <joseph@codesourcery.com>
3049 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
3051 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
3053 PR target/35083
3054 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
3055 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
3057 2008-02-04 Diego Novillo <dnovillo@google.com>
3059 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
3061 PR 33738
3062 * tree-vrp.c (vrp_evaluate_conditional): With
3063 -Wtype-limits, emit a warning when comparing against a
3064 constant outside the natural range of OP0's type.
3066 2008-02-04 Richard Guenther <rguenther@suse.de>
3068 PR middle-end/33631
3069 * expr.c (count_type_elements): Give for unions instead of
3070 guessing.
3072 2008-02-04 Richard Guenther <rguenther@suse.de>
3074 PR middle-end/35043
3075 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
3076 to TYPE_DOMAINs base type instead of using bitsizetype here.
3078 2008-02-03 Jason Merrill <jason@redhat.com>
3080 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
3082 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3084 PR other/29972
3085 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
3086 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
3087 (RS/6000 and PowerPC Options): Fix typos and markup.
3088 * doc/passes.texi (Tree-SSA passes): Likewise.
3090 2008-02-02 Michael Matz <matz@suse.de>
3092 PR target/35045
3093 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
3094 from record_last_reg_set_info.
3095 (record_last_reg_set_info): Take an RTX argument, iterate over all
3096 constituent hardregs.
3097 (record_last_set_info, record_opr_changes): Change calls to
3098 new signature or to record_last_reg_set_info_regno.
3100 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
3102 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
3104 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
3106 PR rtl-optimization/34773
3107 * reg-notes.def (EQUAL): Mention significance of combination of
3108 REG_EQUAL and REG_RETVAL.
3109 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
3110 insn that has a REG_RETVAL.
3112 2008-02-01 Roger Sayle <roger@eyesopen.com>
3114 PR bootstrap/33781
3115 * configure.ac (--enable-fixed-point): Disable unless explicitly
3116 requested on IRIX.
3117 * configure: Regenerate.
3119 2008-02-01 Richard Guenther <rguenther@suse.de>
3121 PR other/35042
3122 * invoke.texi (-finline-limit): Remove no longer true parts
3123 of the documentation. Note that there is no default value.
3125 2008-02-01 Andrew Pinski <pinskia@gmail.com>
3126 Mark Mitchell <mark@codesourcery.com>
3127 Ben Elliston <bje@au.ibm.com>
3129 PR c/29326
3130 * doc/extend.texi (Other Builtins): Document.
3132 2008-01-31 Tom Browder <tom.browder@gmail.com>
3134 * doc/c-tree.texi (Types): Fix grammar.
3135 (Expression trees): Ditto.
3136 * doc/passes.texi (Tree-SSA passes): Ditto.
3138 * doc/configterms.texi (Configure Terms): Fix typo.
3139 * doc/cpp.texi (Common Predefined Macros): Ditto.
3140 * doc/md.texi (Machine Constraints): Ditto.
3142 * doc/makefile.texi (Makefile): Add comma.
3144 2008-01-31 Tom Browder <tom.browder@gmail.com>
3145 Gerald Pfeifer <gerald@pfeifer.com>
3147 * doc/sourcebuild.texi (Front End): Remove references to CVS
3148 and CVSROOT/modules.
3149 (Texinfo Manuals): Replace reference to CVS by one to SVN.
3150 (Back End): Remove reference to CVS.
3152 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
3154 PR target/34900
3155 * config/mips/mips.c (gen_load_const_gp): New function, taking a
3156 comment from...
3157 (mips16_gp_pseudo_reg): ...here.
3158 * config/mips/mips.md (load_const_gp): Replace with...
3159 (load_const_gp_<mode>): ...this :P-based insn.
3161 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3163 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
3164 options. Minor fixes.
3165 (-std): Move reference to standards closer to where language
3166 standards are first mentioned.
3168 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
3170 PR rtl-optimization/34995
3171 * reload.c (alternative_allows_const_pool_ref): Take an rtx
3172 parameter and return a bool. If the rtx parameter is nonnull,
3173 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
3174 (find_reloads): Update call accordingly. Pass the new operand
3175 if it needed no address reloads, otherwise pass null.
3177 2008-01-30 Richard Henderson <rth@redhat.com>
3179 PR c/34993
3180 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
3181 for unbounded arrays.
3183 2008-01-30 Silvius Rus <rus@google.com>
3185 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
3187 2008-01-30 Jan Hubicka <jh@suse.cz>
3189 PR target/34982
3190 * i386.c (init_cumulative_args): Use real function declaration when
3191 calling locally.
3193 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
3195 PR rtl-optimization/34998
3196 * global.c (build_insn_chain): Treat non-subreg_lowpart
3197 SUBREGs of pseudos as clobbering all the words covered by the
3198 SUBREG, not just all the bytes.
3199 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
3200 original df_ref rather than an extract parameter.
3201 (global_conflicts): Update call accordingly.
3203 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
3205 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
3206 the overflow check to make it easier to read.
3207 (__fixtfdi): Change the type of the ll member in union
3208 long_double to UDItype_x.
3210 2008-01-30 Jakub Jelinek <jakub@redhat.com>
3212 PR middle-end/34969
3213 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
3214 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
3215 * tree-inline.c (fold_marked_statements): Call
3216 cgraph_update_edges_for_call_stmt if folding a call statement.
3217 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
3218 debug_generic_stmt calls, reset it back afterwards.
3220 PR c/35017
3221 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
3222 static decls.
3223 * c-typeck.c (build_external_ref): Don't pedwarn about
3224 static vars in current function's scope.
3226 2008-01-29 Joseph Myers <joseph@codesourcery.com>
3228 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
3230 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
3232 PR c/35002
3233 * ipa-struct-reorg.c: Fix spelling.
3234 * params.def: Ditto.
3236 2008-01-29 Richard Guenther <rguenther@suse.de>
3238 PR middle-end/35006
3239 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
3240 field.
3241 * tree-inline.c (remap_type): Increment remapping_type_depth
3242 around remapping types.
3243 (copy_body_r): Only add referenced variables if they are referenced
3244 from code, not types.
3246 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
3248 PR c++/34055
3249 PR c++/34103
3250 PR c++/34219
3251 PR c++/34606
3252 PR c++/34753
3253 PR c++/34754
3254 PR c++/34755
3255 PR c++/34919
3256 PR c++/34961
3257 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
3258 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
3260 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
3262 PR target/34412
3263 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
3264 pointer for tiny stack.
3266 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
3268 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
3270 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
3272 * config/vx-common.h: Fix typo in comment.
3274 2008-01-28 Ian Lance Taylor <iant@google.com>
3276 PR c++/34862
3277 PR c++/33407
3278 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
3279 coalesce pointers if they have different DECL_NO_TBAA_P values.
3280 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
3281 between variables with different DECL_NO_TBAA_P values.
3283 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
3285 PR 31535
3286 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
3287 are not legitimate small data references on SPE targets.
3289 2008-01-28 David Daney <ddaney@avtrex.com>
3291 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
3293 2008-01-28 David Daney <ddaney@avtrex.com>
3295 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
3297 2008-01-27 Joseph Myers <joseph@codesourcery.com>
3299 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
3300 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
3301 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
3302 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
3303 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
3304 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
3305 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
3306 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
3308 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
3310 * basic-block.h (condjump_equiv_p): Fix comment.
3312 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
3314 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
3315 print_generic_stmt_indented): Fix comment.
3317 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
3319 * configure.ac (__stack_chk_fail): Add detecion for availability
3320 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
3321 * configure: Regenerate.
3323 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
3325 PR middle-end/34688
3326 * final.c (output_addr_const): Handle TRUNCATE.
3328 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
3330 PR target/34711
3331 * tree-ssa-loop-ivopts.c (comp_cost): New type.
3332 (zero_cost, infinite_cost): New constants.
3333 (struct cost_pair): Change type of cost to comp_cost.
3334 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
3335 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
3336 New functions.
3337 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
3338 split_address_cost, ptr_difference_cost, difference_cost,
3339 get_computation_cost_at, get_computation_cost,
3340 determine_use_iv_cost_generic, determine_use_iv_cost_address,
3341 determine_use_iv_cost_condition, determine_use_iv_costs,
3342 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
3343 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
3344 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
3345 Change type of cost to comp_cost.
3346 (determine_iv_cost): Increase cost of non-original ivs, instead
3347 of decreasing the cost of original ones.
3348 (get_address_cost): Indicate the complexity of the addressing mode
3349 in comp_cost.
3350 (try_add_cand_for): Prefer using ivs not specific to some object.
3351 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
3353 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
3354 Janis Johnson <janis187@us.ibm.com>
3356 PR target/34814
3357 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
3358 (TARGET_INSTANTIATE_DECLS): Likewise.
3359 * target.h (expand_to_rtl_hook): New target hook.
3360 (instantiate_decls): Likewise.
3361 * function.c (instantiate_decl): Make non-static. Rename to...
3362 (instantiate_decl_rtl): ... this.
3363 (instantiate_expr): Use instantiate_decl_rtl.
3364 (instantiate_decls_1): Likewise.
3365 (instantiate_decls): Likewise.
3366 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
3367 * function.h (instantiate_decl_rtl): Add prototype.
3368 * cfgexpand.c (target.h): New include.
3369 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
3370 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
3371 (TARGET_INSTANTIATE_DECLS): Likewise.
3372 (TARGET_INITIALIZER): New target hooks added.
3373 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
3374 New prototype.
3375 * config/rs6000/rs6000.c (tree-flow.h): New include.
3376 (machine_function): Add sdmode_stack_slot field.
3377 (rs6000_alloc_sdmode_stack_slot): New function.
3378 (rs6000_instantiate_decls): Likewise.
3379 (rs6000_secondary_memory_needed_rtx): Likewise.
3380 (rs6000_check_sdmode): Likewise.
3381 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
3382 (TARGET_INSTANTIATE_DECLS): Likewise.
3383 (rs6000_hard_regno_mode_ok): Allow SDmode.
3384 (num_insns_constant): Likewise. Handle _Decimal32 constants.
3385 (rs6000_emit_move): Handle SDmode.
3386 (function_arg_advance): Likewise.
3387 (function_arg): Likewise.
3388 (rs6000_gimplify_va_arg): Likewise. Add special handling of
3389 SDmode var args for 32-bit compiles.
3390 (rs6000_secondary_reload_class): Handle SDmode.
3391 (rs6000_output_function_epilogue): Likewise.
3392 (rs6000_function_value): Simplify if statement.
3393 (rs6000_libcall_value): Likewise.
3394 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
3395 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
3396 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
3397 (movsd_hardfloat): New define_insn.
3398 (movsd_softfloat): Likewise.
3399 (movsd_store): Likewise.
3400 (movsd_load): Likewise.
3401 (extendsddd2): Likewise.
3402 (extendsdtd2): Likewise.
3403 (truncddsd2): Likewise.
3404 (movdd_hardfloat64): Fixup comment.
3405 (UNSPEC_MOVSD_LOAD): New constant.
3406 (UNSPEC_MOVSD_STORE): Likewise.
3408 2008-01-26 Jakub Jelinek <jakub@redhat.com>
3410 PR c++/34965
3411 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
3412 TRUTH_XOR_EXPR.
3413 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
3414 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
3415 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
3416 and TRUTH_XOR_EXPR.
3418 2008-01-26 David Edelsohn <edelsohn@gnu.org>
3420 PR target/34794
3421 * config.gcc: Separate AIX 5.3 from AIX 6.1.
3422 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3423 __LONGDOUBLE128 too.
3424 * config/rs6000/aix61.h: New file.
3426 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
3428 PR rtl-optimization/34959
3429 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
3430 popcount and parity rtxes the same mode as their operand.
3431 Truncate or extend the result to the return value's mode
3432 if necessary.
3434 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
3436 PR target/34981
3437 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
3438 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
3439 to GOT_VERSION_REGNUM.
3440 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
3441 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
3442 * config/mips/mips.c (mips_emit_call_insn): New function.
3443 (mips_call_tls_get_addr): Call mips_expand_call directly.
3444 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
3445 emit_call_insn.
3446 (mips16_build_call_stub): Likewise. Return the call insn or null.
3447 (mips_expand_call): Update the call to mips16_build_call_stub
3448 accordingly and a remove redundant condition. Assert that MIPS16
3449 stubs do not use lazy binding. Use mips_emit_call_insn and return
3450 the call insn.
3451 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
3452 TARGET_USE_GOT.
3453 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
3454 (mips_avoid_hazard): Remove hazard_set handling.
3455 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
3456 (UNSPEC_RESTORE_GP): ...this.
3457 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
3458 (FAKE_CALL_REGNO): Rename to...
3459 (GOT_VERSION_REGNUM): ...this.
3460 (type): Add "ghost" value. Add an associated insn reservation.
3461 (hazard_set): Remove.
3462 (exception_receiver): Rename to...
3463 (restore_gp): ...this and update the unspec identifier accordingly.
3464 (exception_receiver, nonlocal_got_receiver): New expanders.
3465 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
3466 FAKE_CALL_REGNO. Remove hazard_set attribute.
3467 (set_got_version, update_got_version): New patterns.
3469 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
3471 PR target/34970
3472 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
3474 2008-01-25 Joseph Myers <joseph@codesourcery.com>
3476 PR other/31955
3477 * doc/install.texi2html: Generate gcc-vers.texi.
3479 2008-01-25 DJ Delorie <dj@redhat.com>
3481 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3483 2008-01-25 Joseph Myers <joseph@codesourcery.com>
3485 * config/c4x: Remove directory.
3486 * config.gcc (crx-*, mt-*): Mark obsolete.
3487 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
3488 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
3489 sh-*-rtemscoff*): Remove cases.
3490 * defaults.h (C4X_FLOAT_FORMAT): Remove.
3491 * real.c (encode_c4x_single, decode_c4x_single,
3492 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
3493 c4x_extended_format): Remove.
3494 * real.h (c4x_single_format, c4x_extended_format): Remove.
3495 * doc/extend.texi (interrupt, naked): Remove mention of attributes
3496 on C4x.
3497 (Pragmas): Remove comment about c4x pragmas.
3498 * doc/install.texi (c4x): Remove target-specific instructions.
3499 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
3500 * doc/md.texi (Machine Constraints): Remove C4x documentation.
3501 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
3502 refer to C4x source files as examples.
3503 (C4X_FLOAT_FORMAT): Remove documentation.
3505 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
3507 * config/bfin/bfin.c (override_options): Reorder tests so that
3508 flag_pic gets enabled for -msep-data.
3510 2008-01-25 Richard Guenther <rguenther@suse.de>
3512 PR middle-end/32244
3513 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
3514 to its bitfield precision if required.
3516 2008-01-25 Jakub Jelinek <jakub@redhat.com>
3518 PR middle-end/33880
3519 * tree-nested.c (walk_omp_for): New function.
3520 (convert_nonlocal_reference, convert_local_reference): Call
3521 walk_omp_for on OMP_FOR.
3522 (convert_call_expr): Call walk_body on OMP_FOR's
3523 OMP_FOR_PRE_INIT_BODY.
3525 2008-01-25 Richard Guenther <rguenther@suse.de>
3527 PR tree-optimization/34966
3528 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
3529 default defs and PHI_NODEs we have to insert after the
3530 defining statement.
3532 2008-01-24 Nick Clifton <nickc@redhat.com>
3534 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
3535 Provide a default definition.
3536 (LIBGCC2_UNITS_PER_WORD): Likewise.
3538 * config/stormy16/stormy16.c: Include df.h for the prototype
3539 for df_regs_ever_live_p.
3540 (xstormy16_expand_builtin_va_start): Convert the stack offset
3541 into a component_ref and then use POINTER_PLUS_EXPR to add it
3542 to the incoming_virtual_args_rtx.
3543 (xstormy16_gimplify_va_arg_expr): Rename to
3544 xstormy16_gimplify_va_arg_expr.
3545 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
3546 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
3547 xstormy16_gimplify_va_arg_expr.
3548 Fix up some formatting issues.
3550 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
3551 Move to predicates.md.
3552 (xs_hi_general_operand): Likewise.
3553 (xs_hi_nonmemory_operand): Likewise.
3554 * config/stormy16/predicates.md:
3555 (xstormy16_carry_plus_operand): New predicate.
3556 (xs_hi_general_operand): New predicate.
3557 (xs_hi_nonmemory_operand): New predicate.
3558 * config/stormy16/stormy16-protos.h:
3559 (xstormy16_carry_plus_operand): Delete prototype.
3560 (xs_hi_general_operand): Likewise.
3561 (xs_hi_nonmemory_operand): Likewise.
3563 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
3564 modifiers as they are no longer needed and they can trigger
3565 reload spill failures.
3567 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
3568 with a match_operand in order to help reload.
3570 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
3571 constraint with 'e' for the 8th alternative as this version of
3572 the mov.w instruction only accepts the lower 8 registers.
3574 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
3576 PR target/34856
3577 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
3578 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
3579 vector elements.
3581 2008-01-25 Jakub Jelinek <jakub@redhat.com>
3583 PR middle-end/33333
3584 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
3586 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
3588 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
3589 New functions.
3590 (remove_structure): Update allocations list before removing structure.
3592 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
3594 * ipa-struct-reorg.c (is_safe_cond_expr,
3595 create_new_stmts_for_cond_expr): Use integer_zerop function,
3596 that recognize not only zero-pointer, but zero-integer too.
3598 2008-01-25 Ben Elliston <bje@au.ibm.com>
3600 PR other/22232
3601 * fixproto: Escape "." in sed expression that strips leading "./".
3603 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
3605 PR driver/34904
3606 * gcc.c (SWITCH_OK): Removed.
3607 (SWITCH_LIVE): Changed to bit.
3608 (SWITCH_FALSE): Likewise.
3609 (SWITCH_IGNORE): Likewise.
3610 (switchstr): Change live_cond to unsigned int.
3611 (process_command): Replace SWITCH_OK with 0.
3612 (do_self_spec): Likewise.
3613 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
3614 (give_switch): Likewise.
3615 (used_arg): Likewise.
3616 (do_spec_1): Set the SWITCH_IGNORE bit.
3617 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
3618 bits. Set the SWITCH_LIVE bit.
3620 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
3622 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
3624 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
3626 PR tree-optimization/34472
3627 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
3628 parameter to a "bool *" and set *DATA to false if there is
3629 an unsafe access. Do not delete the structure here.
3630 (check_cond_exprs): Delete it here instead.
3631 (check_cond_exprs, exclude_cold_structs): Do not increase
3632 I when removing a structure.
3634 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
3636 PR target/34856
3637 * config/i386/i386.c (ix86_expand_vector_init): Consider only
3638 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
3640 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
3642 PR middle-end/34934
3643 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
3644 a fixed vector for stack.
3646 2008-01-24 Ben Elliston <bje@au.ibm.com>
3648 PR c++/25701
3649 * doc/gcc.texi (Software development): Add a direntry for g++.
3651 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
3653 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
3654 stale and straggling -fforce-addr comments above.
3656 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
3657 define.
3658 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
3659 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
3661 2008-01-23 Michael Matz <matz@suse.de>
3663 PR debug/34895
3664 * dwarf2out.c (force_type_die): Use modified_type_die instead of
3665 gen_type_die.
3667 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
3669 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
3670 malloc result type.
3672 2008-01-23 Anatoly Sokolov <aesok@post.ru>
3674 * config/avr/avr.c (avr_current_arch): New variable.
3675 (avr_arch_types): Add 'avr31' and 'avr51' entries.
3676 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
3677 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
3678 (avr_override_options): Init 'avr_current_arch'.
3679 (base_arch_s): Move from here...
3680 * config/avr/avr.h (base_arch_s): ... here. Add new members
3681 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
3682 'mega' to 'have_jmp_call'.
3683 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
3684 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
3685 macros.
3686 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
3687 architectures.
3688 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
3689 MULTILIB_MATCHES): (Ditto.).
3691 2008-01-23 Richard Guenther <rguenther@suse.de>
3693 PR middle-end/31529
3694 * cgraphunit.c (cgraph_reset_node): Always mark the node
3695 not reachable if it is not queued already.
3697 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
3699 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
3700 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
3701 (cputype_selected): New static variable.
3702 (bfin_handle_option): Set it if -mcpu is used.
3703 (override_option): Select default set of workarounds if no cpu type
3704 selected on the command line.
3705 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
3707 From Michael Frysinger <michael.frysinger@analog.com>
3708 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
3709 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
3711 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
3712 for bf547, bf523, bf524, and bf526.
3713 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
3714 bf526.
3715 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3716 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
3717 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
3718 __ADSPBF547__ and __ADSPBF54x__ for bf547.
3719 * doc/invoke.texi (Blackfin Options): Document that
3720 -mcpu now accept bf547, bf523, bf524, and bf526.
3722 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
3724 PR rtl-optimization/34628
3725 * combine.c (try_combine): Stop and undo after the first combination
3726 if an autoincrement side-effect on the first insn has effectively
3727 been lost.
3729 2008-01-22 David Edelsohn <edelsohn@gnu.org>
3731 PR target/34529
3732 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
3733 Offset addresses are not valid for Altivec or paired float modes.
3735 2008-01-22 Jakub Jelinek <jakub@redhat.com>
3737 PR c++/34607
3738 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
3739 if DECL_INITIAL (decl) is error_mark_node.
3741 PR c++/34914
3742 * c-common.c (handle_vector_size_attribute): Only allow
3743 integral, scalar float and fixed point types. Handle OFFSET_TYPE
3744 the same way as pointer, array etc. types.
3745 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
3747 PR c++/34917
3748 * tree.c (build_type_attribute_qual_variant): Call
3749 build_qualified_type if attributes are equal, but quals are not.
3751 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3753 PR 32102
3754 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
3755 * flags.h (warn_strict_aliasing): Remove.
3756 (warn_strict_overflow): Remove.
3757 * opts.c (warn_strict_aliasing): Remove.
3758 (warn_strict_overflow): Remove.
3759 * c-opts.c (c_common_handle_option): -Wall only sets
3760 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
3761 (c_common_post_options): Give default values to -Wstrict-aliasing
3762 and -Wstrict-overflow if they are uninitialized.
3763 * common.opt (Wstrict-aliasing): Specify Var and Init.
3764 (Wstrict-overflow): Likewise.
3766 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3768 PR rtl-optimization/26854
3769 PR rtl-optimization/34400
3770 PR rtl-optimization/34884
3771 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
3772 DF_RD->gen.
3773 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
3774 (df_rd_bb_info.expanded_lr_out): Deleted
3775 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
3776 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
3777 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
3778 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
3779 Removed code to allocate, initialize or free expanded_lr_out.
3780 (df_rd_bb_local_compute_process_def): Restructured to make more
3781 understandable.
3782 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
3783 sets if the sets are being trimmed.
3785 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
3787 PR bootstrap/32287
3788 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
3789 (as_vers): Likewise.
3790 * configure: Regenerated.
3792 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3794 PR middle-end/33092
3795 * tree-pass.h (pass_build_alias): New pass.
3796 * tree-ssa-alias.c (gate_build_alias): New.
3797 (pass_build_alias): New.
3798 * passes.c (init_optimization_passes): Add pass_build_alias after
3799 pass_create_structure_vars.
3801 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
3803 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
3804 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
3805 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
3806 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
3807 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
3808 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
3809 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
3810 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
3811 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
3812 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
3813 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
3814 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
3815 * config/s390/s390.md (FP_ALL): New mode iterator.
3816 (_d): New mode attribute.
3817 ("*signbit<mode>2>"): Changed mode of first operand.
3818 ("isinf<mode>2"): Changed mode of first operand.
3819 ("*TDC_insn"): Adaptation for DFP modes.
3821 2008-01-22 Ben Elliston <bje@au.ibm.com>
3823 * tree.c (check_qualified_type): Improve function description.
3825 2008-01-21 Jason Merrill <jason@redhat.com>
3827 PR c++/34196
3828 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
3829 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
3830 if it is set.
3832 2008-01-21 DJ Delorie <dj@redhat.com>
3834 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
3835 return zero.
3837 2008-01-21 Richard Guenther <rguenther@suse.de>
3839 PR middle-end/34856
3840 * tree-cfg.c (verify_expr): Allow all invariant expressions
3841 instead of just constant class ones as reference argument.
3842 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
3843 like any other constant.
3844 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
3846 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
3848 * regmove.c (fixup_match_1): Update call crossed frequencies.
3850 2008-01-21 Richard Guenther <rguenther@suse.de>
3852 PR c/34885
3853 * tree-inline.c (setup_one_parameter): Deal with mismatched
3854 types using a VIEW_CONVERT_EXPR.
3856 2008-01-21 Alon Dayan <alond@il.ibm.com>
3857 Olga Golovanevsky <olga@il.ibm.com>
3859 PR tree-optimization/34701
3860 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
3861 when the structure size is not a power of 2.
3863 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
3865 * doc/install.texi: Add doc for --enable-checking=df.
3867 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
3869 PR rtl-optimization/34808
3870 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
3872 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
3874 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
3875 input.
3877 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3879 PR rtl-optimization/26854
3880 PR rtl-optimization/34400
3881 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
3882 DF_RD->gen.
3883 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
3884 (df_rd_bb_info.expanded_lr_out): New.
3885 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
3886 * loop_iv.c (iv_analysis_loop_init): Ditto.
3887 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
3888 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
3889 Added code to allocate, initialize or free expanded_lr_out.
3890 (df_rd_bb_local_compute_process_def): Restructured to make
3891 more understandable.
3892 (df_rd_confluence_n): Add code to do nothing with fake edges and
3893 code to no apply invalidate_by_call sets if the sets are being trimmed.
3894 (df_lr_local_finalize): Renamed to df_lr_finalize.
3895 (df_live_local_finalize): Renamed to df_live_finalize.
3897 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
3899 PR target/34831
3900 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
3901 deciding whether to use reciprocal instructions.
3903 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
3905 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
3906 dwarf2out_note_section_used if cold_text_section is NULL.
3908 2008-01-19 Jakub Jelinek <jakub@redhat.com>
3910 PR gcov-profile/34610
3911 * tree-cfg.c (make_edges): Mark both outgoing edges from
3912 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
3913 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
3914 from OMP_FOR and OMP_CONTINUE outgoing edges.
3916 * tree-profile.c (tree_profiling): Return early if
3917 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
3918 at the end.
3919 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
3920 from cfun to child_cfun.
3921 * function.h (struct function): Add after_tree_profile bit.
3923 2008-01-19 Anatoly Sokolov <aesok@post.ru>
3925 * config/avr/avr.S (_exit): Disable interrupt.
3927 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
3928 Steven Bosscher <stevenb.gcc@gmail.com>
3930 PR rtl-optimization/26854
3931 PR rtl-optimization/34400
3932 * df-problems.c (df_live_scratch): New scratch bitmap.
3933 (df_live_alloc): Allocate df_live_scratch when doing df_live.
3934 (df_live_reset): Clear the proper bitmaps.
3935 (df_live_bb_local_compute): Only process the artificial defs once
3936 since the order is not important.
3937 (df_live_init): Init the df_live sets only with the variables
3938 found live by df_lr.
3939 (df_live_transfer_function): Use the df_lr sets to prune the
3940 df_live sets as they are being computed.
3941 (df_live_free): Free df_live_scratch.
3943 2008-01-18 Ian Lance Taylor <iant@google.com>
3945 * common.opt: Add fmerge-debug-strings.
3946 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
3947 flag_merge_debug_strings rather than flag_merge_constants.
3948 * doc/invoke.texi (Option Summary): Mention
3949 -fmerge-debug-strings.
3950 (Debugging Options): Document -fmerge-debug-strings.
3952 2008-01-18 Ian Lance Taylor <iant@google.com>
3954 PR c++/33407
3955 * tree.h (DECL_IS_OPERATOR_NEW): Define.
3956 (struct tree_function_decl): Add new field operator_new_flag.
3957 * tree-inline.c (expand_call_inline): When inlining a call to
3958 operator new, force the return value to go into a variable, and
3959 set DECL_NO_TBAA_P on that variable.
3960 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
3962 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
3964 PR debug/34484
3965 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
3966 DWARF2_DEBUGGING_INFO.
3967 (dwarf2out_note_section_used): Ditto. Add prototype.
3968 (have_multiple_function_sections, text_section_used,
3969 cold_text_section_used, *cold_text_sections): Move declarations
3970 before their uses.
3972 2008-01-17 Bob Wilson <bob.wilson@acm.org>
3974 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
3975 field and add signal_ra.
3976 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
3977 assignments to frame state pc. Move end of stack check after
3978 MD_FALLBACK_FRAME_STATE_FOR.
3979 (uw_update_context_1): Use frame state signal_regs if set, instead
3980 of checking signal_frame flag.
3981 (uw_update_context): Use frame state signal_ra if set.
3982 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
3983 * config/xtensa/linux-unwind.h: New file.
3985 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
3987 * modulo-sched.c (get_sched_window): Fix comment typo.
3989 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
3991 PR tree-optimization/34648
3992 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
3994 2008-01-17 Anatoly Sokolov <aesok@post.ru>
3996 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
3997 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
3999 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
4001 PR rtl-optimization/34400
4002 * df-core.c (df_worklist_dataflow_overeager,
4003 df_worklist_dataflow_doublequeue): New functions.
4004 (df_worklist_dataflow): Two different worklist solvers.
4005 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
4006 New param.
4008 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
4010 PR testsuite/34821
4011 * doc/invoke.texi: Document the dependence on pthread for fopenmp
4012 and ftree-parallelize-loops.
4014 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
4016 PR rtl-optimization/34826
4017 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
4019 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
4021 * global.c (find_reg): Mark the eh regs as used if necessary.
4022 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
4023 * ra.h (struct allocno): no_eh_reg field added. Changed
4024 no_stack_reg type to bitfield.
4026 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
4028 * tree.c (substitute_in_expr): Add missing 'break'.
4030 2008-01-17 Richard Guenther <rguenther@suse.de>
4032 PR tree-optimization/34825
4033 * tree-ssa-math-opts.c (is_division_by): Do not recognize
4034 x / x as division to handle.
4036 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4038 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
4039 "-pthread" is specified.
4040 * pa-hpux11.h (LIB_SPEC): Likewise.
4042 2008-01-16 Janis Johnson <janis187@us.ibm.com>
4043 Peter Bergner <bergner@vnet.ibm.com>
4045 PR rtl-optimization/33796
4046 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
4048 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4050 PR libgfortran/34699
4051 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
4052 static links.
4053 * pa-hpux10.h (LINK_SPEC): Likewise.
4054 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
4056 2008-01-16 Richard Guenther <rguenther@suse.de>
4058 PR middle-end/32628
4059 * fold-const.c (fold_convert_const_int_from_int): Do not
4060 set overflow if that occured only because of a sign extension
4061 change when converting from/to a sizetype with the same
4062 precision and signedness.
4064 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
4066 PR debug/34249
4067 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
4068 location address to the correct place. Update copyright year.
4070 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
4072 * lambda-code.c (lambda_transform_legal_p): Handle the case of
4073 no dependences in the dependence_relations vector.
4075 2008-01-16 Jan Hubicka <jh@suse.cz>
4077 PR rtl-optimization/31396
4078 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
4079 * cfg.c (dump_reg_info): Print it.
4080 * regs.h (struct reg_info_t): add freq_calls_crossed.
4081 (REG_FREQ_CALLS_CROSSED): New macro.
4082 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
4083 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
4084 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
4085 regmove_optimize): Update call crossed frequencies.
4086 * local-alloc.c (struct qty): Add freq_calls_crossed.
4087 (alloc_qty): Copute freq_calls_crossed.
4088 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
4089 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
4090 * ra.h (struct allocno): Add freq_calls_crossed.
4092 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
4094 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
4095 libgomp when compiling with ftree-parallelize-loops.
4096 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
4098 2008-01-16 Richard Guenther <rguenther@suse.de>
4100 PR tree-optimization/34769
4101 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
4102 * tree.c (int_cst_value): Instead make this function more
4103 permissive in what it accepts as valid input. Document this
4104 function always sign-extends the value.
4106 2008-01-16 Jakub Jelinek <jakub@redhat.com>
4107 Richard Guenther <rguenther@suse.de>
4109 PR c/34668
4110 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
4111 (gimple_fold_indirect_ref_rhs): ... this.
4112 (gimple_fold_indirect_ref): New function with foldings
4113 that preserve lvalueness.
4114 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
4115 * tree-flow.h (gimple_fold_indirect_ref): Declare.
4116 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
4117 to fold an INDIRECT_REF, fall back to the old use of
4118 fold_indirect_ref_1.
4120 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
4122 * tree-data-ref.c (subscript_dependence_tester_1): Call
4123 free_conflict_function.
4124 (compute_self_dependence): Same.
4126 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
4128 PR debug/34249
4129 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
4130 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
4131 function global.
4132 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
4133 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
4134 for DWARF2_UNWIND_INFO targets.
4136 2008-01-16 Richard Guenther <rguenther@suse.de>
4138 PR c/34768
4139 * c-typeck.c (common_pointer_type): Do not merge inconsistent
4140 type qualifiers for function types.
4142 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
4144 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
4145 loop_iterator li from previous commit.
4147 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
4149 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
4151 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
4153 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
4154 (parallelize_loops): Don't parallelize irreducible components.
4156 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4158 PR c++/24924
4159 * c-opts (c_common_post_options): Do not enable CPP
4160 flag_pedantic_errors by default.
4162 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
4164 PR rtl-optimization/31944
4165 * cse.c (remove_pseudo_from_table): New function.
4166 (merge_equiv_classes): Use above function to remove pseudo-registers.
4167 (invalidate): Likewise.
4169 2008-01-13 Richard Guenther <rguenther@suse.de>
4171 PR middle-end/34601
4172 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
4173 instead of TYPE_MODE to deal with calls from expand_one_error_var.
4175 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
4177 * gcse.c (cprop_jump): Call validate_unshare_change instead of
4178 validate_change to unshare the source of the PC set.
4180 2008-01-12 Jan Hubicka <jh@suse.cz>
4182 PR middle-end/32135
4183 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
4184 references above array bounds. This might trigger bounds checks for
4185 pointers to arrays.
4187 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
4189 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
4190 new_replaceable_dependencies.
4192 2008-01-12 Doug Kwan <dougkwan@google.com>
4194 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
4195 instead of OPT_Wreturn_type in warning due to ignored return type
4196 qualifiers.
4197 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
4198 options included in -Wextra.
4199 * c.opt: New option -Wignored_qualifiers.
4200 * doc/invoke.texi (Warning Options, -Wextra): Add new option
4201 -Wignore_qualifiers.
4202 (-Wignored-qualifiers): Document.
4203 (-Wreturn-type): Remove description of functionality now handled
4204 by -Wignored-qualifiers.
4206 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
4208 PR ada/33788
4209 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
4210 NOP_EXPR if it is between integral types with the same precision.
4212 2008-01-12 Jan Hubicka <jh@suse.cz>
4214 PR other/28023
4215 * invoke.texi (max-inline-recursive-depth): Fix default value.
4217 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
4219 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
4220 correct type.
4222 2008-01-11 Bob Wilson <bob.wilson@acm.org>
4224 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
4226 2008-01-11 James E. Wilson <wilson@specifix.com>
4228 PR target/26015
4229 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
4231 2008-01-11 Anatoly Sokolov <aesok@post.ru>
4233 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
4234 save/restore frame pointer register and don't use 'call-prologues'
4235 optimization in function with "OS_task" attribute.
4237 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
4239 PR middle-end/31309
4240 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
4241 when copying to memory.
4243 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
4245 PR rtl-optimization/30905
4246 * cfgcleanup.c: Include dce.h
4247 (crossjumps_occured): New global variable.
4248 (try_crossjump_bb): Exit loop after finding a fallthru edge.
4249 If something changed, set crossjumps_occured to true.
4250 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
4251 Don't add/remove fake edges to exit here...
4252 (cleanup_cfg): ...but do it here, when crossjumping.
4253 Run a fast DCE when successful crossjumps occured in the latest
4254 iteration of try_optimize_cfg.
4256 2008-01-11 Richard Guenther <rguenther@suse.de>
4258 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
4259 (struct vn_unary_op_s): Likewise.
4260 (vn_reference_insert): Free old reference on hash collision.
4262 2008-01-10 Raksit Ashok <raksit@google.com>
4264 PR rtl-optimization/27971
4265 * combine.c (find_split_point): Split PLUS expressions which are
4266 inside a MEM rtx, and whose first operand is complex.
4268 2008-01-10 DJ Delorie <dj@redhat.com>
4270 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
4271 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
4272 (m32c_hard_regno_ok): Call the underlying function.
4274 2008-01-10 Richard Guenther <rguenther@suse.de>
4276 PR middle-end/34683
4277 * tree-cfg.c (tree_merge_blocks): Do not go through the
4278 full-blown folding and stmt updating path if we just deal
4279 with virtual operands.
4280 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
4281 test for abnormal SSA_NAMEs.
4283 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
4285 PR middle-end/34641
4286 * reload.c (push_reload): Add assertions. All constants from
4287 reg_equiv_constant should have been used for replacing the respective
4288 pseudo earlier.
4289 (find_reloads_address): Invoke find_reloads_address_part for
4290 constant taken from the reg_equiv_constant array.
4292 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
4294 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
4295 field (valnum) the first in the struct. Replace bools with
4296 unit bit fields.
4298 2008-01-10 Richard Guenther <rguenther@suse.de>
4300 PR tree-optimization/34651
4301 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
4302 types and ordering for masking and converting.
4304 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
4306 PR tree-optimization/34017
4307 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
4308 also for PHI_NODE expressions.
4310 2008-01-09 Jan Hubicka <jh@suse.cz>
4312 PR tree-optimization/34708
4313 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
4314 based on number of case labels.
4315 (init_inline_once): Remove switch_cost.
4316 * tree-inline.h (eni_weights_d): Remove switch_cost.
4318 2008-01-09 Richard Guenther <rguenther@suse.de>
4319 Andrew Pinski <andrew_pinski@playstation.sony.com>
4321 PR middle-end/30132
4322 * gimplify.c (gimplify_cond_expr): Do not create an addressable
4323 temporary if an rvalue is ok or an lvalue is not required.
4325 2008-01-09 Richard Guenther <rguenther@suse.de>
4327 PR middle-end/34458
4328 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
4329 adjust return type.
4331 2008-01-09 Richard Guenther <rguenther@suse.de>
4333 PR middle-end/34679
4334 * tree.c (host_integerp): Check for sizetype only if the
4335 type is an integer type.
4337 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
4339 PR debug/26364
4340 * opts.c (decode_options): Disable inlining of functions called
4341 once if not in unit-at-a-time mode.
4343 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
4345 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
4347 2008-01-08 Richard Guenther <rguenther@suse.de>
4349 PR middle-end/31863
4350 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
4351 out early if the result will be unused.
4353 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
4355 PR target/34709
4356 Revert:
4358 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
4359 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
4360 for TARGET_RECIP.
4362 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
4364 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
4365 for vectorization tuned.
4367 2008-01-08 Richard Guenther <rguenther@suse.de>
4369 PR tree-optimization/34683
4370 * tree-ssa-operands.c (operand_build_cmp): Export.
4371 * tree-ssa-operands.h (operand_build_cmp): Declare.
4372 * tree-vn.c (vuses_compare): Remove.
4373 (sort_vuses): Use operand_build_cmp.
4374 (sort_vuses_heap): Likewise.
4375 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
4376 to re-use old VEC if available. Do not sort already sorted VUSEs.
4377 (vdefs_to_vec): Do not sort already sorted VDEFs.
4379 2008-01-08 Jakub Jelinek <jakub@redhat.com>
4381 PR middle-end/34694
4382 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
4384 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
4386 PR target/34702
4387 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
4388 limitations of reciprocal sequences on x86 targets.
4390 2008-01-08 Richard Guenther <rguenther@suse.de>
4392 PR tree-optimization/34683
4393 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
4395 2008-01-07 Jakub Jelinek <jakub@redhat.com>
4397 PR target/34622
4398 * config/darwin.c (darwin_mergeable_string_section): Don't use
4399 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
4401 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
4403 PR target/34682
4404 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
4405 negxf2. Macroize expander using X87MODEF mode iterator. Change
4406 predicates of op0 and op1 to register_operand.
4407 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
4408 expander using X87MODEF mode iterator. Change predicates of
4409 op0 and op1 to register_operand.
4410 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
4411 corresponding patterns and macroize using MODEF macro. Change
4412 predicates of op0 and op1 to register_operand and remove
4413 "m" constraint. Disparage "r" alternative with "!".
4414 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
4415 macroize using X87MODEF macro. Change predicates of op0 and op1
4416 to register_operand and remove "m" constraint. Disparage "r"
4417 alternative with "!".
4418 (absneg splitter with memory operands): Remove.
4419 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
4420 patterns and macroize using X87MODEF mode iterator.
4421 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
4422 Change predicate of op1 to register_operand.
4423 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
4424 for memory operands.
4426 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
4428 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
4430 2008-01-07 Richard Guenther <rguenther@suse.de>
4432 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
4433 fields.
4435 2008-01-07 Richard Guenther <rguenther@suse.de>
4437 PR tree-optimization/34683
4438 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
4439 VOPs of the needed size to save memory. Use VEC_quick_push
4440 to save compile-time.
4441 (vdefs_to_vec): Likewise.
4443 2008-01-07 Sa Liu <saliu@de.ibm.com>
4445 * config/spu/spu.md (divdf3): Genetate inline code for double
4446 division. The implementation doesn't handle INF or NAN, therefore it
4447 only applies when -ffinite-math-only is given.
4449 2008-01-06 Paolo Carlini <pcarlini@suse.de>
4451 PR libstdc++/34680
4452 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
4453 * doc/cpp.texi ([Common Predefined Macros]): Document.
4455 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
4457 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
4458 order to use commutative addition instead of subtraction.
4460 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
4461 Mircea Namolaru <namolaru@il.ibm.com>
4462 Vladimir Yanovsky <yanov@il.ibm.com>
4463 Revital Eres <eres@il.ibm.com>
4465 PR tree-optimization/34263
4466 * tree-outof-ssa.c (process_single_block_loop_latch,
4467 contains_tree_r): New functions.
4468 (analyze_edges_for_bb): Call process_single_block_loop_latch
4469 function to empty single-basic-block latch block if possible.
4471 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
4473 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
4474 for TARGET_RECIP.
4475 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
4477 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
4479 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
4481 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
4483 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
4485 2008-01-05 Jakub Jelinek <jakub@redhat.com>
4487 PR tree-optimization/34618
4488 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
4489 flag from T.
4491 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
4493 PR target/34673
4494 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
4495 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
4496 Update copyright year.
4498 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
4499 Update copyright year.
4500 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
4501 using NR fixup.
4503 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
4505 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
4506 edge does not point to current bb before changing need_assert.
4508 2008-01-04 Richard Guenther <rguenther@suse.de>
4510 PR middle-end/34029
4511 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
4512 for verifying purposes if they are is_gimple_min_invariant.
4514 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
4516 PR tree-optimization/34448
4517 PR tree-optimization/34465
4518 * gimplify.c (gimplify_init_constructor): Add new parameter
4519 notify_temp_creation. Use it.
4520 (gimplify_modify_expr_rhs): Take volatiles into account when
4521 optimizing constructors.
4522 Do not optimize constructors if gimplify_init_constructor will dump to
4523 memory.
4524 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
4525 * gcc.c-torture/compile/pr34448.c: New.
4527 2008-01-04 Jakub Jelinek <jakub@redhat.com>
4529 PR gcov-profile/34609
4530 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
4531 return_slot if result is TREE_ADDRESSABLE.
4533 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
4535 * config/mips/mips.md (sqrt_condition): Tweak comment.
4536 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
4538 2008-01-03 Tom Tromey <tromey@redhat.com>
4540 PR c/34457
4541 * c-common.c (c_type_hash): Handle VLAs.
4543 2008-01-03 Jan Hubicka <jh@suse.cz>
4545 PR tree-optimization/31081
4546 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
4547 0 when inlining and not inlining to first basic block.
4548 (remap_decl): When var is initialized to 0, don't set default_def.
4549 (expand_call_inline): Set entry_bb.
4550 * tree-inline.h (copy_body_data): Add entry_bb.
4552 2008-01-03 Jakub Jelinek <jakub@redhat.com>
4554 PR c++/34619
4555 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
4556 before returning.
4558 PR tree-optimization/29484
4559 * tree-inline.c (inline_forbidden_p_2): New function.
4560 (inline_forbidden_p): Disallow inlining if some static var
4561 has an address of a local LABEL_DECL in its initializer.
4562 * doc/extend.texi (Labels as Values): Document &&foo behaviour
4563 vs. inlining.
4565 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
4567 PR tree-optimization/34635
4568 * tree-data-ref.c (add_other_self_distances): Make sure that the
4569 evolution step is constant.
4571 2008-01-03 Jakub Jelinek <jakub@redhat.com>
4573 PR middle-end/34608
4574 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
4576 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
4578 * tree-sra.c (scalarize_init): Insert the generate_element_init
4579 statements after the generate_element_zero statements.
4581 2008-01-02 Richard Guenther <rguenther@suse.de>
4583 PR middle-end/34093
4584 PR middle-end/31976
4585 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
4586 for very large number of operands instead of ICEing.
4588 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
4590 PR target/34013
4591 * config/i386/i386.c (ix86_expand_prologue): Save red-zone
4592 while stack probing.
4594 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
4596 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
4597 in C++0x mode.
4599 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
4601 PR libmudflap/26442
4602 * tree-mudflap.c (mx_register_decls): Guard warning by
4603 !DECL_ARTIFICIAL check.
4605 2008-01-01 Jakub Jelinek <jakub@redhat.com>
4607 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
4608 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
4609 sse5_perm<mode>): Fix constraints.