1 2008-03-19 Michael Matz <matz@suse.de>
4 * calls.c (expand_call): Check overlap of arguments with call
7 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
10 * stor-layout.c (update_alignment_for_field): Set minimum alignment
11 of the underlying type of a MS bitfield layout to the natural
12 alignment of the type.
14 2008-03-19 Jan Hubicka <jh@suse.cz>
17 * toplev.c (decode_d_option): Handle all CPP flags.
18 * tree-vrp.c: Update tree_pass descriptors.
19 * regrename.c: Update tree_pass descriptors.
20 * fwprop.c: Update tree_pass descriptors.
21 * doc/invoke.texi: Remove documentation of dropped -d? flags.
22 * tree-into-ssa.c: Update tree_pass descriptors.
23 * tree-dump.c: Update tree_pass descriptors.
24 * tree-complex.c: Update tree_pass descriptors.
25 * tree-dump.h: Update tree_pass descriptors.
26 * see.c: Update tree_pass descriptors.
27 * cgraphbuild.c: Update tree_pass descriptors.
28 * tracer.c: Update tree_pass descriptors.
29 * tree-loop-distribution.c: Update tree_pass descriptors.
30 * cgraph.c: Update tree_pass descriptors.
31 * postreload-gcse.c: Update tree_pass descriptors.
32 * postreload.c: Update tree_pass descriptors.
33 * tree-ssa-loop-ch.c: Update tree_pass descriptors.
34 * tree-tailcall.c: Update tree_pass descriptors.
35 * tree-pass.h (tree_opt_pass): Rename to ...
36 (opt_pass) ... this one; add "type" field and remove letter field.
37 (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
38 (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
39 all_lowering_passes): Update declaration.
40 * ipa-cp.c: Update tree_pass descriptors.
41 * final.c: Update tree_pass descriptors.
42 * omp-low.c: Update tree_pass descriptors.
43 * tree-ssa-dse.c: Update tree_pass descriptors.
44 * ipa-reference.c: Update tree_pass descriptors.
45 * tree-ssa-uncprop.c: Update tree_pass descriptors.
46 * auto-inc-dec.c: Update tree_pass descriptors.
47 * reorg.c: Update tree_pass descriptors.
48 * cgraphunit.c: Update tree_pass descriptors.
49 * tree-ssa-copyrename.c: Update tree_pass descriptors.
50 * tree-ssa-ccp.c: Update tree_pass descriptors.
51 * df-core.c: Update tree_pass descriptors.
52 * mode-switching.c: Update tree_pass descriptors.
53 * tree-nomudflap.c: Update tree_pass descriptors.
54 * modulo-sched.c: Update tree_pass descriptors.
55 * ipa-pure-const.c: Update tree_pass descriptors.
56 * cse.c: Update tree_pass descriptors.
57 * web.c: Update tree_pass descriptors.
58 * tree-stdarg.c: Update tree_pass descriptors.
59 * tree-ssa-math-opts.c: Update tree_pass descriptors.
60 * tree-ssa-dom.c: Update tree_pass descriptors.
61 * tree-nrv.c: Update tree_pass descriptors.
62 * tree-ssa-alias.c: Update tree_pass descriptors.
63 * loop-init.c: Update tree_pass descriptors.
64 * gimple-low.c: Update tree_pass descriptors.
65 * ipa-inline.c: Update tree_pass descriptors.
66 * tree-ssa-sink.c: Update tree_pass descriptors.
67 * global.c: Update tree_pass descriptors.
68 * ifcvt.c: Update tree_pass descriptors.
69 * jump.c: Update tree_pass descriptors.
70 * predict.c: Update tree_pass descriptors.
71 * tree-ssa-loop.c: Update tree_pass descriptors.
72 * recog.c: Update tree_pass descriptors.
73 * dse.c: Update tree_pass descriptors.
74 * tree-ssa-ifcombine.c: Update tree_pass descriptors.
75 * tree-eh.c: Update tree_pass descriptors.
76 * regmove.c: Update tree_pass descriptors.
78 * function.c: Update tree_pass descriptors.
79 * tree-vectorizer.c: Update tree_pass descriptors.
80 * gcse.c: Update tree_pass descriptors.
81 * ipa-type-escape.c: Update tree_pass descriptors.
82 * tree-if-conv.c: Update tree_pass descriptors.
83 * init-regs.c: Update tree_pass descriptors.
84 * ipa.c: Update tree_pass descriptors.
85 * tree-ssa-phiopt.c: Update tree_pass descriptors.
86 * rtl-factoring.c: Update tree_pass descriptors.
87 * lower-subreg.c: Update tree_pass descriptors.
88 * bt-load.c: Update tree_pass descriptors.
89 * tree-dfa.c: Update tree_pass descriptors.
90 * except.c: Update tree_pass descriptors.
91 * emit-rtl.c: Update tree_pass descriptors.
92 * cfgexpand.c: Update tree_pass descriptors.
93 * tree-cfgcleanup.c: Update tree_pass descriptors.
94 * cfgcleanup.c: Update tree_pass descriptors.
95 * tree-ssa-pre.c: Update tree_pass descriptors.
96 * tree-sra.c: Update tree_pass descriptors.
97 * tree-mudflap.c: Update tree_pass descriptors.
98 * tree-ssa-copy.c: Update tree_pass descriptors.
99 * cfglayout.c: Update tree_pass descriptors.
100 * tree-ssa-forwprop.c: Update tree_pass descriptors.
101 * tree-ssa-dce.c: Update tree_pass descriptors.
102 * tree-ssa.c: Update tree_pass descriptors.
103 * regclass.c: Update tree_pass descriptors.
104 * integrate.c: Update tree_pass descriptors.
105 * tree-optimize.c: Update tree_pass descriptors.
106 * tree-ssa-phiprop.c: Update tree_pass descriptors.
107 * tree-object-size.c: Update tree_pass descriptors.
108 * combine.c: Update tree_pass descriptors.
109 * tree-outof-ssa.c: Update tree_pass descriptors.
110 * bb-reorder.c: Update tree_pass descriptors.
111 * stack-ptr-mod.c: Update tree_pass descriptors.
112 * var-tracking.c: Update tree_pass descriptors.
113 * tree-profile.c: Update tree_pass descriptors.
114 * tree-vect-generic.c: Update tree_pass descriptors.
115 * reg-stack.c: Update tree_pass descriptors.
116 * sched-rgn.c: Update tree_pass descriptors.
117 * tree-ssa-structalias.c: Update tree_pass descriptors.
118 * tree-cfg.c: Update tree_pass descriptors.
119 * passes.c (current_pass): Update declaration.
120 (finish_optimization_passes): Update.
121 (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
122 (register_one_dump_file, register_dump_files_1, next_pass_1):
124 (init_optimization_passes): Update handling of new types.
125 (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
126 * ipa-struct-reorg.c: Update tree_pass descriptors.
127 * tree-ssa-reassoc.c: Update tree_pass descriptors.
128 * combine-stack-adj.c: Update tree_pass descriptors.
129 * cfgrtl.c: Update tree_pass descriptors.
130 * dce.c: Update tree_pass descriptors.
131 * tree-ssanames.c: Update tree_pass descriptors.
133 2008-03-19 Richard Guenther <rguenther@suse.de>
136 * tree-ssa.c (always_executed): New global flag.
137 (warn_uninitialized_var): If !always_executed warn with "maybe"
139 (execute_early_warn_uninitialized): Compute post-dominators.
140 Initialize always_executed before processing each basic block.
142 2008-03-18 Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
145 * config/i386/i386.c (x86_this_parameter): Calculate correct location
146 of "this" pointer when "regparm = N" or "fastcall" is in effect.
148 2008-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
150 * doc/include/texinfo.tex: Update to version 2008-03-17.10.
152 2008-03-18 Paolo Bonzini <bonzini@gnu.org>
154 * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
156 (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
157 (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
158 is true. Add "&& !ignore" condition to reduce_bit_field. Modify
159 target after ignore has been set, and move there also the commputation
160 of subtarget and original_target.
161 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
162 (LANG_HOOKS_INITIALIZER): Remove it.
163 * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
165 2008-03-18 Richard Guenther <rguenther@suse.de>
167 * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
168 found an expression with constants, note that in the VN for the lhs.
169 * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
170 fold them to constants if possible. Run cleanup_cfg if done so.
171 (execute_pre): Return todo.
173 (execute_fre): Likewise.
174 * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
176 (get_prop_source_stmt): Look through pointer conversions.
178 2008-03-18 Jan Hubicka <jh@suse.cz>
180 * tree-pretty-print.c: Include predict.h.
181 (dump_generic_node): Dump predictor.
182 * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
183 * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
184 * gimple-low.c (lower_stmt): Likewise.
185 * expr.c (expand_expr_real): Likewise.
186 * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
188 (build_predict_expr, build_predict_expr): New.
189 * predict.h (predictor_name, build_predict_expr): Update.
190 * c-typeck.c (c_finish_bc_stmt): Add prediction.
191 * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
192 * predict.def (PRED_CONTINUE): Update hitrate.
193 * tree.def (PREDICT_EXPR): Define.
194 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
195 do not handle BIND_EXPR.
196 * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
197 * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
198 * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
201 2008-03-18 Michael Matz <matz@suse.de>
203 * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
205 2008-03-18 Richard Guenther <rguenther@suse.de>
207 * tree-gimple.h (is_gimple_invariant_address): Declare.
208 (is_gimple_constant): Likewise.
209 * tree-gimple.c (is_gimple_constant): New function.
210 (is_gimple_invariant_address): Likewise.
211 (is_gimple_min_invariant): Implement in terms of is_gimple_constant
212 and is_gimple_invariant_address.
213 * tree-ssa-loop-niter.c (expand_simple_operations): Revert
215 * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
218 2008-03-18 Jakub Jelinek <jakub@redhat.com>
221 * gimplify.c (gimplify_expr): Gimplify second operand of
224 2008-03-17 Richard Guenther <rguenther@suse.de>
226 PR tree-optimization/19637
227 * fold-const.c (fold_unary): Remove restrictions of removing
228 intermediate pointer-conversions (P2)(P1)P0.
229 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
230 conversion to void pointer.
231 (get_maxval_strlen): Handle addresses of the form &(*p)[0].
233 2008-03-16 James E. Wilson <wilson@tuliptree.org>
236 * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
237 emulated thread local variables.
239 2008-03-16 Richard Guenther <rguenther@suse.de>
242 * tree-ssa-loop-niter.c (expand_simple_operations): Do not
243 expand TREE_INVARIANT operations that are not gimple invariant.
245 2008-03-16 Hans-Peter Nilsson <hp@axis.com>
247 * doc/extend.texi (Alignment): Say that the ABI controls
248 the __alignof__ for non-strict-alignment targets rather
249 than being a recommendation.
251 2008-03-15 Paul Brook <paul@codesourcery.com>
253 * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
255 (arm_output_fn_unwind): Mark functions that can not be unwound.
257 2008-03-15 Paul Brook <paul@codesourcery.com>
259 * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
260 extension instructions.
262 2008-03-15 Richard Guenther <rguenther@suse.de>
264 * tree-ssa-ccp.c (ccp_fold): Also read from constant values
265 and fold constant aggregate refs.
266 (fold_const_aggregate_ref): Handle string constants
267 and constructors in ARRAY_REFs. Handle INDIRECT_REF.
268 (evaluate_stmt): Simplify now that ccp_fold folds constant
271 2008-03-15 Paul Brook <paul@codesourcery.com>
273 * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
274 (extzv): Use gen_extzv_t2.
275 (insv_t2, insv_zero, extv, extzv_t2): New patterns.
277 2008-03-15 Richard Guenther <rguenther@suse.de>
279 * tree-ssa-ccp.c (get_symbol_constant_value): Export.
280 (fold_const_aggregate_ref): Likewise.
281 (get_value): Return NULL if we don't have any values.
282 (ccp_finalize): Set const_val to NULL after freeing it.
283 * tree-flow.h (get_symbol_constant_value): Declare.
284 (fold_const_aggregate_ref): Likewise.
285 * tree-ssa-sccvn.c (try_to_simplify): Use them.
287 2008-03-15 Richard Guenther <rguenther@suse.de>
290 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
291 to not produce negative array indices if not allowed. Add
292 parameter to indicate that.
293 (maybe_fold_offset_to_component_ref): Allow negative array
294 indices only for the first member of a structure.
295 (maybe_fold_offset_to_reference): Allow negative array indices.
296 (maybe_fold_stmt_addition): Likewise.
298 2008-03-15 Bjoern Haase <bjoern.m.haase@web.de>
299 Anatoly Sokolov <aesok@post.ru>
301 * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
302 (avr_arch): Add ARCH_AVR6.
303 (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
304 (initial_elimination_offset): Initialize and use 'avr_pc_size'
305 instead of fixed value 2.
306 (print_operand_address): Use gs() asm specifier instead of pm().
307 (avr_assemble_integer): (Ditto.).
308 (avr_output_addr_vec_elt): (Ditto.).
309 (print_operand): Handle "!" code.
310 * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
311 __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
312 (AVR_HAVE_EIJMP_EICALL): Define.
313 (AVR_3_BYTE_PC): Redefine.
314 (AVR_2_BYTE_PC): (Ditto.).
315 (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
316 (LINK_SPEC): Add atmega2560 and atmega2561.
317 (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
319 * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall
320 for 3 byte PC devices.
321 (call_value_insn): (Ditto.).
322 (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
323 (indirect_jump): Use only for for 2 byte PC devices.
324 (*tablejump): (Ditto.).
325 (*indirect_jump_avr6): Add insn.
326 (*tablejump_rjmp): Don't use for 3 byte PC devices.
327 * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp
328 instead of ijmp for 3 byte PC devices.
329 (__tablejump2__): (Ditto.).
330 * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
331 (MULITLIB_DIRNAMES): (Ditto.).
332 (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
334 2008-03-15 Uros Bizjak <ubizjak@gmail.com>
336 * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
337 "sse2_umulsidi3". Use V1DI mode for operand 0.
338 ("mmx_psadbw"): Use V1DI mode for operand 0.
339 * config/i386/i386-modes.def (V1SI): New vector mode.
340 * config/i386/i386.c (struct builtin_description)
341 [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
342 (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
343 (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
344 (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
345 v1di_ftype_v8qi_v8qi type.
346 [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
348 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
349 __builtin_ia32_pmuludq]: Fix the mode of return value.
351 2008-03-15 Richard Guenther <rguenther@suse.de>
354 * tree-ssa-pre.c (bitmap_find_leader): Handle expression
357 2008-03-14 Bob Wilson <bob.wilson@acm.org>
359 * doc/invoke.texi (Option Summary, Xtensa Options): Document
360 -mserialize-volatile and -mno-serialize-volatile Xtensa options.
361 * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
362 unless TARGET_SERIALIZE_VOLATILE is enabled.
363 * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
364 * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
365 * config/xtensa/xtensa.opt (mserialize_volatile): New option.
367 2008-03-14 Richard Guenther <rguenther@suse.de>
369 PR tree-optimization/34172
370 * tree-flow.h (refs_may_alias_p): Declare.
371 (get_single_def_stmt): Likewise.
372 (get_single_def_stmt_from_phi): Likewise.
373 (get_single_def_stmt_with_phi): Likewise.
374 * tree-dfa.c (refs_may_alias_p): New function.
375 (get_single_def_stmt): Likewise.
376 (get_single_def_stmt_from_phi): Likewise.
377 (get_single_def_stmt_with_phi): Likewise.
378 * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
379 (vn_reference_lookup_1): New helper function.
380 (vn_reference_lookup): Walk the virtual use-def chain to
381 continue searching for a match if the def does not alias the
382 reference we are looking for.
384 2008-03-14 David Edelsohn <edelsohn@gnu.org>
386 * doc/install.texi (Binaries): Remove UCLA archive. Add HVCC
387 archive and Perzl. Update The Written Word listing.
389 2008-03-14 Richard Guenther <rguenther@suse.de>
391 PR tree-optimization/34043
392 PR tree-optimization/33989
393 * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
395 (bitmap_find_leader): Use extra argument to verify dominance
396 relationship inside a basic-block.
397 (can_PRE_operation): Add VIEW_CONVERT_EXPR.
398 (find_leader_in_sets): Adjust.
399 (create_component_ref_by_pieces): Take extra argument for
400 dominance check, handle lookup failures.
401 (find_or_generate_expression): Likewise.
402 (create_expression_by_pieces): Likewise.
403 (insert_into_preds_of_block): Adjust.
404 (create_value_expr_from): If asked for, verify all operands
405 are in the blocks AVAIL_OUT set.
406 (make_values_for_stmt): Check for SSA_NAMEs that are life
407 over an abnormal edge.
408 (compute_avail): Remove such check.
409 (do_SCCVN_insertion): New function.
410 (eliminate): If we do not find a leader suitable for replacement
411 insert a replacement expression from SCCVN if available.
412 * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
413 (struct vn_ssa_aux): Add needs_insertion flag.
414 * tree-ssa-sccvn.c (may_insert): New global flag.
415 (copy_reference_ops_from_ref): Value-number union member access
416 based on its size, not type and member if insertion is allowed.
417 (visit_reference_op_load): For a weak match from union type
418 punning lookup a view-converted value and insert a SSA_NAME
419 for that value if that is not found.
420 (visit_use): Make dumps shorter. Do not disallow value numbering
421 SSA_NAMEs that are life over an abnormal edge to constants.
422 (free_scc_vn): Release inserted SSA_NAMEs.
423 (run_scc_vn): New flag to specify whether insertion is allowed.
424 Process SSA_NAMEs in forward order.
425 * tree-ssa-loop-im.c (for_each_index): Handle invariant
426 ADDR_EXPRs inside VIEW_CONVERT_EXPR.
427 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
428 pointer type to/from integral types that do not change the
429 precision to regular conversions.
431 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
433 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
434 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
435 __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
436 __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
437 input arguments and the mode of return value. Built-in functions
438 that operate on whole 64-bit MMX register now use V1DI mode.
440 2008-03-13 Alon Dayan <alond@il.ibm.com>
441 Olga Golovanevsky <olga@il.ibm.com>
443 PR tree-optimization/35041
444 * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
445 to locate the right position in a statement.
447 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
451 * config/i386/xmmintrin.h: Change all static inline functions to
452 extern inline and add __gnu_inline__ attribute.
453 * config/i386/bmintrin.h: Ditto.
454 * config/i386/smmintrin.h: Ditto.
455 * config/i386/tmmintrin.h: Ditto.
456 * config/i386/mmintrin-common.h: Ditto.
457 * config/i386/ammintrin.h: Ditto.
458 * config/i386/emmintrin.h: Ditto.
459 * config/i386/pmmintrin.h: Ditto.
460 * config/i386/mmintrin.h: Ditto.
461 * config/i386/mm3dnow.h: Ditto.
463 2008-03-13 Jakub Jelinek <jakub@redhat.com>
466 * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
467 (lower_omp_2): New function.
468 (lower_omp_1, lower_omp): Rewritten.
470 2008-03-13 Danny Smith <dannysmith@users.sourceforge.net>
473 * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
474 with the phrase "Microsoft Windows compilers".
475 (Push/Pop Macro Pragmas): New subsection. Document
476 #pragma push_macro and pragma pop_macro.
478 2008-03-12 Paul Brook <paul@codesourcery.com>
480 * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
482 2008-03-12 Paul Brook <paul@codesourcery.com>
484 * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
485 (thumb2_alusi3_short): Exclude PLUS and MINUS.
486 (thumb2_addsi_shortim): Rename ...
487 (thumb2_addsi_short): ... to this. Allow register operands.
488 (thumb2_subsi_short): New pattern.
489 (thumb2_one_cmplsi2_short,
490 thumb2_negsi2_short): New patterns and peepholes.
492 2008-03-12 Paul Brook <paul@codesourcery.com>
494 * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
496 2008-03-12 Uros Bizjak <ubizjak@gmail.com>
498 * config/i386/i386.md (int_cond): New code iterator.
500 ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
501 sge, sgeu, sle and sleu expanders usign int_cond code iterator.
502 ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
503 sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
504 ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
505 bge, bgeu, ble and bleu expanders usign int_cond code iterator.
506 ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
507 bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
509 2008-03-12 Paul Brook <paul@codesourcery.com>
511 * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
512 instead of {arm,thumb}_compute_save_reg_mask.
513 (output_return_instruction): Ditto.
514 (thumb_unexpanded_epilogue): Ditto.
515 (thumb1_expand_prologue): Ditto.
516 (thumb1_output_function_prologue): Ditto.
517 (arm_set_return_address): Ditto.
518 (thumb_set_return_address): Ditto.
519 (arm_get_frame_offsets): Set offsets->saved_regs_mask. Push extra
520 regs to achieve stack alignment.
521 (thumb1_compute_save_reg_mask): Fix compiler warning.
522 (arm_output_epilogue): Use offsets->saved_regs_mask.
523 Adjust stack pointer by poping call clobered registers.
524 (arm_expand_prologue): Use offsets->saved_regs_mask.
525 Adjust stack pointer by pushing extra registers.
526 * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
528 2008-03-12 Paolo Bonzini <bonzini@gnu.org>
531 * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
532 conversion to the operands of a multiplication.
534 2008-03-12 Richard Guenther <rguenther@suse.de>
536 * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
537 (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
538 * timevar.def (TV_TREE_PHIPROP): Add.
539 * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
540 pass description. Use TV_TREE_PHIPROP.
541 * tree-ssa-forwprop.c: Remove phiprop code.
543 2008-03-12 Jakub Jelinek <jakub@redhat.com>
546 * omp-low.c (maybe_lookup_decl): Constify first argument.
547 (use_pointer_for_field): Change last argument from bool to
548 omp_context *. Disallow shared copy-in/out in nested
549 parallel if decl is shared in outer parallel too.
550 (build_outer_var_ref, scan_sharing_clauses,
551 lower_rec_input_clauses, lower_copyprivate_clauses,
552 lower_send_clauses, lower_send_shared_vars): Adjust callers.
554 2008-03-12 Victor Kaplansky <victork@il.ibm.com>
555 Ira Rosen <irar@il.ibm.com>
557 * tree-vectorizer.c (free_stmt_vec_info): New function.
558 (destroy_loop_vec_info): Move code to free_stmt_vec_info().
559 Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
560 * tree-vectorizer.h (free_stmt_vec_info): Declare.
561 * tree-vect-transform.c (vectorizable_conversion): Free
562 vec_oprnds0 if it was allocated.
563 (vect_permute_store_chain): Remove unused VECs.
564 (vectorizable_store): Free VECs that are allocated in the..
566 (vect_transform_strided_load, vectorizable_load): Likewise.
567 (vect_remove_stores): Simplify the code.
568 (vect_transform_loop): Move code to vect_remove_stores().
569 Call vect_remove_stores() and free_stmt_vec_info().
571 2008-03-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
573 * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
574 TARGET_HPUX. Revise comment.
575 (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
576 * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
577 Use sr4 variant of `be' instruction when not generating PIC code.
578 (attr_length_call): Adjust for above change.
580 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
582 * ipa-reference.c (static_execute): Remove module_statics_const and
583 associated setting code.
585 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
588 * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
589 constraint for operand 1.
590 (paritysi2_cmp): Use register_operand constraint for operand 2.
591 Use earlyclobber modifier for operand 1. Remove support for
593 (paritydi2_cmp): Use register_operand constraint for operand 3.
594 Use earlyclobber modifier for operand 1. Remove support for
597 2008-03-11 Paul Brook <paul@codesourcery.com>
598 Vladimir Prus <vladimir@codesourcery.com>
600 * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
601 (arm_compute_save_reg0_reg12_mask): Always
602 check if register 11 must be saved. Always safe hard frame pointer
603 when frame_pointer_needeed.
604 (arm_compute_save_reg_mask): Save IP and PC
605 only with apcs frames.
606 (arm_output_epilogue): Adjust Thumb2 codepath to
607 be also invoked and work for ARM non-apcs frames.
608 (arm_expand_prologue): Don't bother saving IP
609 for non-apcs frame, since it's not clobbered by
610 prologue code. Implement non-apcs frame
613 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
615 PR rtl-optimization/35281
616 * expr.c (convert_move): Use a new pseudo for the intermediate
617 from_mode->word_mode result.
619 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
621 * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
622 * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
623 * toplev.c (compile_file): Don't call it.
625 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
628 * expr.c (store_expr): Call emit_block_move if the mode
629 of "temp" RTX is BLKmode.
631 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
632 Richard Guenther <rguenther@suse.de>
634 PR tree-optimization/31358
635 * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
636 the step with a NULL_TREE.
637 * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
638 to sizetype if type is a pointer type.
639 (add_candidate_1): Don't convert the base and step to
640 the generic type if the orginal type is a pointer type.
641 (add_iv_value_candidates): Use sizetype for the step
642 if type is a pointer type.
643 (cand_value_at): Likewise.
644 * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
646 * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
647 Don't convert the tem affine to the type.
648 (add_elt_to_tree): Use sizetype for the step if a pointer.
649 Use POINTER_PLUS_EXPR for pointers.
650 (aff_combination_to_tree): Use sizetype for the step if a
653 2008-03-10 Vladimir Makarov <vmakarov@redhat.com>
655 * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
656 Remove commutativity hint.
658 2008-03-10 Jakub Jelinek <jakub@redhat.com>
662 * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
663 errorneous type. Check that v is a VAR_DECL.
666 * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
668 2008-03-10 H.J. Lu <hongjiu.lu@intel.com>
670 PR tree-optimization/35494
671 * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
672 may be overriden at link and run time.
674 2008-03-10 Richard Guenther <rguenther@suse.de>
676 PR tree-optimization/34677
677 * tree-ssa-pre.c (modify_expr_node_pool): Remove.
678 (poolify_tree): Likewise.
679 (modify_expr_template): Likewise.
680 (poolify_modify_stmt): Likewise.
681 (insert_fake_stores): Handle all component-ref style stores
682 in addition to INDIRECT_REF. Also handle complex types.
683 Do not poolify the inserted load.
684 (realify_fake_stores): Do not rebuild the tree but only
685 make it a SSA_NAME copy.
686 (init_pre): Remove initialzation of modify_expr_template.
687 Do not allocate modify_expr_node_pool.
688 (fini_pre): Do not free modify_expr_node_pool.
690 2008-03-10 Paul Brook <paul@codesourcery.com>
692 * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
695 2008-03-10 Paul Brook <paul@codesourcery.com>
696 Mark Shinwell <shinwell@codesourcery.com>
698 * config/arm/cortex-r4.md: New.
699 * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
701 * config/arm/arm.md: Include cortex-r4.md.
702 (insn): Add smmls, sdiv and udiv values.
703 (generic_sched): Don't use generic scheduling for Cortex-R4.
704 (arm_issue_rate): New function.
705 (TARGET_SCHED_ISSUE_RATE): Define.
707 2008-03-10 Sebastian Pop <sebastian.pop@amd.com>
709 * doc/invoke.texi (-ftree-loop-distribution): Add an example.
711 2008-03-10 Richard Guenther <rguenther@suse.de>
713 * tree-ssa-pre.c (get_sccvn_value): Simplify.
714 (compute_avail): Do not add stmt uses to AVAIL_OUT.
716 2008-03-10 Paolo Bonzini <bonzini@gnu.org>
718 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
721 2008-03-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
723 * c.opt (Wsynth): Deprecate.
724 * doc/invoke.texi (Option Summary, Warning Options): Document
725 -Wno-format-contains-nul.
727 2008-03-09 Uros Bizjak <ubizjak@gmail.com>
730 * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
731 ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
733 2008-03-09 Ira Rosen <irar@il.ibm.com>
735 * config/rs6000/rs6000.c (builtin_description): Rename vector
736 left shift operations.
737 * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
738 (altivec_vsl<VI_char>): Rename to ...
739 (ashl<mode>3): ... new name.
740 (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
742 (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
744 2008-03-08 Richard Guenther <rguenther@suse.de>
746 * coverage.h (tree_coverage_counter_addr): Declare.
747 * coverage.c (tree_coverage_counter_addr): New function.
748 * tree-profile.c (tree_gen_edge_profiler): Unshare counter
750 (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
751 (tree_gen_one_value_profiler): Likewise.
752 (tree_gen_ic_profiler): Likewise.
753 (tree_gen_average_profiler): Likewise.
754 (tree_gen_ior_profiler): Likewise.
756 2008-03-08 Richard Guenther <rguenther@suse.de>
758 * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
759 (vn_binary_op_insert): Likewise.
760 (vn_unary_op_lookup): Likewise.
761 (vn_unary_op_insert): Likewise.
762 (vn_nary_op_lookup): Declare.
763 (vn_nary_op_insert): Likewise.
764 * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
765 and binary hashes, use a single obstack for unary_op_pool
767 (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
768 a single struct vn_nary_op_s. Store tree code length and
769 a variable number of operands.
770 (struct vn_reference_op_struct): Remove unused op2.
771 (vn_reference_op_eq): Do not compare op2.
772 (vn_reference_op_compute_hash): Do not compute hash of op2.
773 (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
774 (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
775 with vn_nary_op_compute_hash.
776 (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
777 (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
779 (vn_unary_op_insert, vn_binary_op_insert): Replace with
781 (visit_unary_op): Call nary functions.
782 (visit_binary_op): Likewise.
783 (process_scc): Adjust for struct vn_tables_s changes.
784 (allocate_vn_table): Likewise.
785 (free_vn_table): Likewise.
786 * tree-vn.c (vn_add): Call nary functions.
787 (vn_lookup): Likewise.
789 2008-03-08 Jakub Jelinek <jakub@redhat.com>
792 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
793 wdst back after sync_compare_and_swapqhi_internal.
795 2008-03-08 Uros Bizjak <ubizjak@gmail.com>
798 * config/i386/i386-modes.def (V1DI): New vector mode.
799 * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
800 * config/i386/mmx.md (MMXMODEI8): New mode iterator.
802 (MMXMODE): Add V1DI mode.
803 (mmxvecsize): Change DI mode to V1DI mode.
804 ("mov<mode>): Use MMXMODEI8 mode iterator.
805 ("*mov<mode>_internal_rex64"): Ditto.
806 ("*mov<mode>_internal"): Ditto.
807 ("mmx_add<mode>3"): Ditto. Handle V1DImode for TARGET_SSE2.
808 ("mmx_sub<mode>3"): Ditto.
809 ("mmx_adddi3"): Remove insn pattern.
810 ("mmx_subdi3"): Ditto.
811 ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
812 ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
813 ("mmx_ashl<mode>3"): Ditto.
814 ("mmx_lshrdi3"): Remove insn pattern.
815 ("mmx_ashldi3"): Ditto.
816 * config/i386/i386.c (classify_argument): Handle V1DImode.
817 (function_arg_advance_32): Ditto.
818 (function_arg_32): Ditto.
819 (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
820 mmx_addv1di3 insn pattern.
821 [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
822 [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
823 IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
824 IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
825 Remove definitions of built-in functions.
826 (V1DI_type_node): New node.
827 (v1di_ftype_v1di_int): Ditto.
828 (v1di_ftype_v1di_v1di): Ditto.
829 (v2si_ftype_v2si_si): Ditto.
830 (v4hi_ftype_v4hi_di): Remove node.
831 (v2si_ftype_v2si_di): Ditto.
832 (ix86_init_mmx_sse_builtins): Handle V1DImode.
833 (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
834 Redefine builtins using def_builtin_const with *_ftype_*_int node.
835 (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
836 Add new builtins using def_builtin_const.
837 (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
838 IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
839 IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
840 * config/i386/mmintrin.h (__v1di): New typedef.
841 (_mm_add_si64): Cast arguments to __v1di type.
842 (_mm_sub_si64): Ditto.
843 (_mm_sll_pi16): Cast __count to __v4hi type.
844 (_mm_sll_pi32): Cast __count to __v2si type.
845 (_mm_sll_si64): Cast arguments to __v1di type.
846 (_mm_srl_pi16): Cast __count to __v4hi type.
847 (_mm_srl_pi32): Cast __count to __v2si type.
848 (_mm_srl_si64): Cast arguments to __v1di type.
849 (_mm_sra_pi16): Cast __count to __v4hi type.
850 (_mm_sra_pi32): Cast __count to __v2si type.
851 (_mm_slli_pi16): Use __builtin_ia32_psllwi.
852 (_mm_slli_pi32): Use __builtin_ia32_pslldi.
853 (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
854 (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
855 (_mm_srli_pi32): Use __builtin_ia32_psrldi.
856 (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
857 (_mm_srai_pi16): Use __builtin_ia32_psrawi.
858 (_mm_srai_pi32): Use __builtin_ia32_psradi.
859 * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
860 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
861 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
862 __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
864 2008-03-07 Joseph Myers <joseph@codesourcery.com>
866 * doc/include/texinfo.tex: Update to version 2008-03-07.10.
868 2008-03-07 Peter Bergner <bergner@vnet.ibm.com>
871 * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
872 reg+const addressing for Altivec modes. Don't generate reg+reg
873 addressing for TFmode or TDmode quantities.
875 2008-03-07 Paolo Bonzini <bonzini@gnu.org>
877 * c-common.c (vector_types_convertible_p): Call langhook
878 instead of comptypes.
880 2008-03-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
883 * tree-ssa-ccp.c (get_symbol_constant_value): Handle
884 integral and scalar float variables which have a
887 2008-03-06 Nathan Froyd <froydnj@codesourcery.com>
889 * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
890 dwarf_register_span hook when emitting unwind information for
891 register-to-memory saves.
892 * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
893 (rs6000_frame_related): Remove call to spe_synthesize_frame.
895 2008-03-06 Jakub Jelinek <jakub@redhat.com>
897 * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
898 for the same VAR_DECL.
900 2008-03-06 Tom Tromey <tromey@redhat.com>
903 * doc/standards.texi (Standards): Don't mention treelang.
904 * doc/invoke.texi (Overall Options): Don't mention treelang.
905 * doc/install.texi (Prerequisites): Don't mention bison or
907 (Configuration): Don't mention treelang.
908 (Building): Likewise.
909 * doc/frontends.texi (G++ and GCC): Don't mention treelang.
911 2008-03-06 Paolo Bonzini <bonzini@gnu.org>
913 * simplify-rtx.c (simplify_subreg): Remove useless shifts from
914 word-extractions out of a multi-word object.
916 2008-03-06 Richard Guenther <rguenther@suse.de>
918 * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
919 * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
920 result type and precision.
921 * expr.c (get_inner_reference): Set unsignedp based on the result
922 type of BIT_FIELD_REF.
923 * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
924 * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
925 (try_instantiate_multiple_fields): Likewise. Use the correct type
927 (sra_build_assignment): Likewise.
928 (sra_build_elt_assignment): Likewise.
929 (sra_explode_bitfield_assignment): Likewise.
930 * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
931 * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
932 set BIT_FIELD_REF_UNSIGNED.
933 (vectorizable_load): Likewise.
935 2008-03-06 Andreas Krebbel <krebbel1@de.ibm.com>
937 * cse.c (cse_extended_basic_block): Invalidate artificial defs
940 2008-03-06 Richard Guenther <rguenther@suse.de>
942 * alias.c (struct alias_set_entry): Move has_zero_child field
943 to pack with alias_set.
945 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
947 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
950 2008-03-05 Ian Lance Taylor <iant@google.com>
952 * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
954 2008-03-05 Kenneth Zadeck <zadeck@naturalbridge.com>
956 * fwprop.c (update_df): Support width and offset parameters of
958 * ra-conflict.c (mark_reg_store, clear_reg_in_live,
959 global_conflicts): Change DF_REF_EXTRACT to either
960 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
961 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
962 * df-scan.c (df_ref_record, df_defs_record,
963 df_ref_create_structure, df_def_record_1, df_uses_record,
964 df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
965 df_bb_refs_collect, df_entry_block_defs_collect,
966 df_exit_block_uses_collect): Support new width and offset fields.
967 (ref_extract_pool): New storage pool.
968 (df_free_ref): New function.
969 (df_reg_chain_unlink, df_free_collection_rec,
970 df_sort_and_compress_refs): Call df_free_ref.
971 (df_ref_equal_p, df_ref_compare): Compare offset and width fields
973 (df_ref_create_structure): Allocate df_ref_extract if offset and
974 width fields are used.
975 (df_def_record_1): Get offset and width from ZERO_EXTRACT.
976 (df_uses_record): Get offset and width from ZERO_EXTRACT
978 * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
979 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
980 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
981 * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
982 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
983 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
984 (df_ref_extract): New structure.
985 (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
986 (df_ref_create): Add width and offset parameters.
988 2008-03-05 Richard Guenther <rguenther@suse.de>
990 * tree-ssa-structalias.c (get_constraint_for_component_ref):
991 Use ranges_overlap_p.
992 (offset_overlaps_with_access): Rename
993 to ranges_overlap_p and move ...
994 * tree-flow-inline.h (ranges_overlap_p): ... here.
996 * tree.h (get_inner_reference, handled_component_p): Update
999 * tree.h (record_component_aliases, get_alias_set,
1000 alias_sets_conflict_p, alias_sets_must_conflict_p,
1001 objects_must_conflict_p): Move declarations ...
1002 * alias.h (record_component_aliases, get_alias_set,
1003 alias_sets_conflict_p, alias_sets_must_conflict_p,
1004 objects_must_conflict_p): ... here.
1005 Include coretypes.h.
1006 * Makefile.in (ALIAS_H): Add coretypes.h dependency.
1008 2008-03-05 Aldy Hernandez <aldyh@redhat.com>
1010 * cfg.c: Include tree-flow.h.
1011 (remove_edge_raw): Call redirect_edge_var_map_clear.
1012 (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
1013 * tree-flow-inline.h (redirect_edge_var_map_def): New.
1014 (redirect_edge_var_map_result): New.
1015 * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
1016 PENDING_STMT use with redirect_edge_var_map_*.
1017 * tree-ssa.c (edge_var_maps): New definition.
1018 (redirect_edge_var_map_add): New.
1019 (redirect_edge_var_map_clear): New.
1020 (redirect_edge_var_map_dup): New.
1021 (redirect_edge_var_map_vector): New.
1022 (redirect_edge_var_map_destroy): New.
1023 (ssa_redirect_edge): Replace PENDING_STMT use with
1024 redirect_edge_var_map_*.
1025 (flush_pending_stmts): Same.
1026 (delete_tree_ssa): Destroy edge var map.
1027 * tree-flow.h (struct _edge_var_map): New.
1028 Define edge_var_map vector type.
1029 Declare redirect_edge_var_map_* prototypes.
1030 * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
1031 * tree-cfg.c (reinstall_phi_args): Replace
1032 PENDING_STMT use with redirect_edge_var_map_*.
1034 2008-03-05 Richard Guenther <rguenther@suse.de>
1036 PR tree-optimization/35472
1037 * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
1038 whose single use_stmt has a overlapping set of loaded and
1039 stored symbols as that use_stmt might be a noop assignment then.
1041 2008-03-05 Joel Sherrill <joel.sherrill@oarcorp.com>
1043 * gthr-rtems.h: Implement __gthread_mutex_destroy.
1045 2008-03-05 Richard Guenther <rguenther@suse.de>
1048 * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
1049 should be constants.
1050 * tree-cfg.c (verify_expr): Verify it.
1051 * fold-const.c (fold_truthop): Remove code generating
1052 BIT_FIELD_REFs of structure bases.
1053 (fold_binary): Likewise.
1054 (fold_ternary): Position and size of BIT_FIELD_REFs are
1055 always host integers.
1056 (make_bit_field_ref): Remove.
1057 (optimize_bit_field_compare): Remove.
1058 (all_ones_mask_p): Remove.
1060 2008-03-05 Gabor Loki <loki@gcc.gnu.org>
1063 * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
1064 (split_block_and_df_analyze): New. Split basic block and rebuild
1066 (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
1068 (split_pattern_seq): Likewise.
1069 (erase_matching_seqs): Likewise.
1070 (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
1072 2008-03-04 Geoff Keating <geoffk@apple.com>
1074 * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
1075 declaration and code.
1076 (tree_invalid_nonnegative_warnv_p): Likewise.
1078 2008-03-05 Serge Belyshev <belyshev@depni.sinp.msu.ru>
1080 * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
1081 examples. Truncate option-names then causing overfull hbox.
1083 2008-03-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1086 * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
1088 * configure: Rebuilt.
1090 2008-03-04 Rafael Espindola <espindola@google.com>
1092 * fold-const.c (tree_simple_nonnegative_warnv_p): New.
1093 (tree_unary_nonnegative_warnv_p): New.
1094 (tree_binary_nonnegative_warnv_p): New.
1095 (tree_single_nonnegative_warnv_p): New.
1096 (tree_invalid_nonnegative_warnv_p): New.
1097 (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
1099 2008-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1102 * opts.c (handle_option): Postpone 'unknown option' errors only for
1105 2008-03-04 H.J. Lu <hongjiu.lu@intel.com>
1108 * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
1111 2008-03-04 Rafael Espindola <espindola@google.com>
1113 * fold-const.c (tree_unary_nonzero_warnv_p): New.
1114 (tree_binary_nonzero_warnv_p): New.
1115 (tree_single_nonzero_warnv_p): New.
1116 (tree_expr_nonzero_warnv_p): Redefine using the new functions.
1118 2008-03-04 Uros Bizjak <ubizjak@gmail.com>
1121 * fold-const.c (fold_cond_expr_with_comparison): Prevent
1122 transformations for modes that have signed zeros.
1123 * ifcvt.c (noce_try_abs): Ditto.
1125 2008-03-04 Joseph Myers <joseph@codesourcery.com>
1127 * config/i386/i386.c (override_options): Force
1128 -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
1130 2008-03-04 Jan Hubicka <jh@suse.cz>
1133 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
1136 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
1138 * config/i386/i386.md (allocate_stack_worker_32): Use __chkstk
1139 label to probe the stack.
1141 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
1143 * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
1144 (__gthr_win32_mutex_destroy): Declare.
1145 [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
1146 __gthr_win32_mutex_destroy.
1147 * config/i386/gthr-win32.c (__gthr_win32_mutex_destroy): Define.
1149 2008-03-03 Jan Hubicka <jh@suse.cz>
1152 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
1153 aggressive on inlining cold calls.
1155 2008-03-03 Richard Guenther <rguenther@suse.de>
1157 * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
1158 struct copies into the expression table.
1159 (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
1160 (try_to_simplify): Likewise.
1161 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
1162 integral and pointer arguments which do not change the
1163 precision to NOP_EXPRs.
1164 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
1165 VIEW_CONVERT_EXPR case.
1167 2008-03-02 Sebastian Pop <sebastian.pop@amd.com>
1169 * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
1170 defined in a loop at depth 0 is invariant.
1171 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
1172 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
1173 be called at loop depth 0.
1175 2008-03-02 Jakub Jelinek <jakub@redhat.com>
1178 * gcc.c (process_command): Update copyright notice dates.
1179 * gcov.c (print_version): Likewise.
1180 * gcov-dump.c (print_version): Likewise.
1181 * mips-tfile.c (main): Likewise.
1182 * mips-tdump.c (main): Likewise.
1184 2008-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1187 * c-common.c (flag_permissive): Delete.
1188 (constant_expression_warnings): Check flags first.
1189 (constant_expression_error): New.
1190 * c-common.h (flag_permissive): Delete.
1191 (constant_expression_error): Declare.
1192 * flags.h (flag_permissive): Declare. Update description.
1193 * diagnostic.c (pedwarn): Update.
1195 * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
1196 (permissive_error_kind): New.
1197 * toplev.c (flag_permissive): Define. Update description.
1198 * toplev.h (permissive_error_kind): Declare.
1199 * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
1200 (pedwarn_c90): Use pedantic_warning_kind.
1201 * c-opts.c (c_common_post_options): flag_permissive does not affect
1202 flag_pedantic_errors.
1204 2008-03-02 Joseph Myers <joseph@codesourcery.com>
1206 * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
1207 __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
1208 __absvsi2, __absvDI2): Use unsigned arithmetic.
1210 2008-03-02 Andi Kleen <ak@suse.de>
1211 Richard Guenther <rguenther@suse.de>
1213 * struct-equiv.c: Remove file.
1214 * cfg_cleanup.c (condjump_equiv_p): Remove.
1215 * Makefile.in (OBJS-common): Remove struct-equiv.o.
1216 (struct-equiv.o): Remove rule.
1217 * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
1218 insns_match_p, struct_equiv_block_eq, struct_equiv_init,
1219 rtx_equiv_p, condjump_equiv_p): Remove prototypes.
1221 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
1223 * ifcvt.c (noce_process_if_block): Try to handle only the then
1224 block if the else block exists but isn't suitable.
1226 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
1229 * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
1230 * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
1231 regression from previous patch.
1233 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
1236 * gthr.h: Add __gthread_mutex_destroy as a function that must be
1238 * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
1239 * gthr-single.h (__gthread_mutex_destroy): Likewise.
1240 * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
1241 * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
1242 * gthr-nks.h (__gthread_mutex_destroy): Likewise.
1243 * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
1244 * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
1245 (__gthread_mutex_destroy_function): Rename to
1246 __gthread_mutex_destroy.
1247 * gthr-dce.h (__gthread_mutex_destroy): Call
1248 pthread_mutex_destroy.
1249 * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
1250 * gthr-posix.h (__gthread_mutex_destroy): Likewise.
1251 * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
1253 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
1255 * df-scan.c (df_ref_chain_change_bb): Simplify.
1256 (df_insn_change_bb): Add new_bb argument. Simplify. Call
1257 set_block_for_insn if there's any change.
1258 * df.h ((df_insn_change_bb): Fix prototype.
1259 * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
1260 df_insn_change_bb, don't call set_block_for_insn.
1261 * emit-rtl.c (reorder_insns): Likewise.
1262 * haifa-sched.c (move_insn): Likewise.
1264 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
1266 * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
1268 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
1270 * tree-flow-inline.h (next_readonly_imm_use): Return
1271 NULL_USE_OPERAND_P after the end.
1273 2008-03-01 Richard Guenther <rguenther@suse.de>
1275 PR tree-optimization/35411
1276 * tree-sra.c (sra_build_assignment): Split conversion to
1277 final type to a separate statement if we are not assigning
1280 2008-02-29 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1282 * fold-const.c (fold_convertible_p): Correct the logic to follow
1283 that in fold_convert().
1285 2008-02-29 Douglas Gregor <doug.gregor@gmail.com>
1288 * tree-inline.c (build_duplicate_type): When we make a
1289 duplicate type, make it unique in the canonical types system.
1291 2008-02-29 Tom Tromey <tromey@redhat.com>
1293 * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
1294 input_file_stack_history, input_file_stack_restored): Remove.
1295 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
1296 * input.h (struct file_stack): Remove.
1297 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
1298 (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
1300 * diagnostic.h (struct diagnostic_context) <last_module>: Change
1302 (diagnostic_last_module_changed): Add 'map' argument.
1303 (diagnostic_set_last_function): Likewise.
1304 * diagnostic.c (undiagnostic_report_current_module): Iterate using
1305 line map, not input_file_stack.
1306 * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
1308 2008-02-29 Paul Brook <paul@codesourcery.com>
1310 * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
1312 2008-02-29 Paul Brook <paul@codesourcery.com>
1314 * config/arm/ieee754-df.S (muldf3): Use RET macros.
1316 2008-02-29 Richard Guenther <rguenther@suse.de>
1318 * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
1320 * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
1321 value for comparing for a store match.
1322 (simplify_unary_expression): Do nothing for SSA_NAMEs.
1323 (try_to_simplify): Do not do a full-blown reference lookup.
1325 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
1327 * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
1328 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
1330 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
1332 2008-02-29 Sebastian Pop <sebastian.pop@amd.com>
1334 * tree-loop-linear.c (try_interchange_loops): Compare memory access
1335 strides against cache sizes.
1337 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
1339 * config/sh/sh.c (sh_secondary_reload): Handle loading a float
1342 2008-02-28 Richard Sandiford <rsandifo@nildram.co.uk>
1344 * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
1345 of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
1346 is smaller than the original promoted value.
1347 (simplify_subreg): If OP is a SUBREG, try to preserve its
1348 SUBREG_PROMOTED_VAR_P information.
1350 2008-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
1352 * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
1353 (VN_INFO_GET): Allocate new objects on the obstack.
1354 (init_scc_vn): Initialize the obstack. Use XDELETE instead of free
1355 for rpo_numbers_temp, for consistency.
1356 (free_scc_vn): Free the obstack.
1358 2008-02-28 Sebastian Pop <sebastian.pop@amd.com>
1360 * doc/invoke.texi: Document -ftree-loop-distribution.
1361 * tree-loop-distribution.c: New.
1362 * tree-pass.h (pass_loop_distribution): New.
1363 * graphds.h (struct graph): Add htab_t indices.
1364 * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
1365 * tree-vectorizer.c (rename_variables_in_loop): Extern.
1366 (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
1367 * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
1368 * tree-data-ref.c (debug_data_dependence_relations): New.
1369 (dump_data_dependence_relation): Also print data references.
1370 (free_data_ref): Extern.
1371 (same_access_functions): Moved...
1372 (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
1373 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
1374 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
1375 struct rdg_vertex_info, rdg_vertex_for_stmt): New.
1376 (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
1377 (stmts_from_loop): Skip LABEL_EXPR.
1378 (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
1380 (build_rdg): Initialize rdg->indices htab.
1381 (free_rdg, stores_from_loop, ref_base_address,
1382 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
1383 have_similar_memory_accesses_1, ref_base_address_1,
1384 remove_similar_memory_refs): New.
1385 * tree-data-ref.h: Depend on tree-chrec.h.
1386 (debug_data_dependence_relations, free_data_ref): Declared.
1387 (same_access_functions): ... here.
1388 (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
1390 (struct rdg_vertex): Add has_mem_write and has_mem_reads.
1391 (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
1392 RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
1393 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
1394 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
1395 rdg_vertex_for_stmt): Declared.
1396 (struct rdg_edge): Add level.
1398 (free_rdg, stores_from_loop, remove_similar_memory_refs,
1399 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
1401 (rdg_has_similar_memory_accesses): New.
1402 * tree-vect-analyze.c: Remove unused static decls.
1403 * lambda.h (dependence_level): New.
1404 * common.opt (ftree-loop-distribution): New.
1405 * tree-flow.h (mark_virtual_ops_in_bb,
1406 slpeel_tree_duplicate_loop_to_edge_cfg,
1407 rename_variables_in_loop): Declared.
1408 * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
1409 (OBJS-common): Add tree-loop-distribution.o.
1410 (tree-loop-distribution.o): New rule.
1411 * tree-cfg.c (mark_virtual_ops_in_bb): New.
1412 (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
1413 * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
1415 2008-02-28 Joseph Myers <joseph@codesourcery.com>
1418 * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
1419 other than structures and unions.
1421 2008-02-28 Richard Guenther <rguenther@suse.de>
1424 2008-02-26 Richard Guenther <rguenther@suse.de>
1426 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1427 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1428 (lookup_decl_from_uid): Declare.
1429 (remove_decl_from_map): Likewise.
1430 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1431 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1432 (decl_for_uid_map): New global hashtable mapping DECL_UID
1434 (init_ttree): Allocate it.
1435 (insert_decl_to_uid_decl_map): New helper function.
1436 (make_node_stat): Insert new decls into the map.
1437 (copy_node_stat): Likewise.
1438 (lookup_decl_from_uid): New function.
1439 (remove_decl_from_map): Likewise.
1440 (print_decl_for_uid_map_statistics): New helper.
1441 (dump_tree_statistics): Call it.
1443 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1444 (referenced_var_iterator): Adjust.
1445 (FOR_EACH_REFERENCED_VAR): Adjust.
1446 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1447 (num_referenced_vars): Adjust.
1448 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1449 (first_referenced_var): Remove.
1450 (end_referenced_vars_p): Likewise.
1451 (next_referenced_var): Likewise.
1452 (referenced_var_iterator_set): New helper function.
1453 * tree-dfa.c (referenced_var_lookup): Adjust.
1454 (referenced_var_check_and_insert): Likewise.
1455 (remove_referenced_var): Likewise.
1456 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1457 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1458 (verify_call_clobbering): Likewise.
1459 (verify_memory_partitions): Likewise.
1460 (init_tree_ssa): Allocate bitmap instead of hashtable for
1462 (delete_tree_ssa): Adjust.
1463 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1464 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1465 (compute_tag_properties): Likewise.
1466 (set_initial_properties): Likewise.
1467 (find_partition_for): Likewise.
1468 (update_reference_counts): Likewise.
1469 (dump_may_aliases_for): Likewise.
1470 * tree-ssa-operands.c (add_virtual_operand): Likewise.
1471 (add_call_clobber_ops): Likewise.
1472 (add_call_read_ops): Likewise.
1473 (get_asm_expr_operands): Likewise.
1474 * tree-into-ssa.c (dump_decl_set): Likewise.
1475 (update_ssa): Likewise.
1476 * tree-sra.c (scan_function): Likewise.
1477 (decide_instantiations): Likewise.
1478 (scalarize_parms): Likewise.
1479 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1480 (dsa_named_for): Likewise.
1481 * tree-ssa-structalias.c (update_alias_info): Likewise.
1482 (merge_smts_into): Likewise.
1484 2008-02-27 David Daney <ddaney@avtrex.com>
1487 * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
1488 * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
1489 * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
1490 * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
1491 * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
1493 2008-02-27 Uros Bizjak <ubizjak@gmail.com>
1496 * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
1497 (BUILT_IN_NEXTTOWARD): Remove.
1498 (BUILT_IN_NEXTTOWARDF): Ditto.
1499 * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
1500 alloca/strcpy/strcat. Remove commented-out code. Fix whitespace.
1502 2008-02-27 Tom Tromey <tromey@redhat.com>
1504 * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
1505 DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
1507 2008-02-27 Jan Beulich <jbeulich@novell.com>
1509 * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
1510 update the respective field on newdecl.
1512 2008-02-27 Revital Eres <eres@il.ibm.com>
1514 PR rtl-optimization/34999
1515 * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
1516 crossing edges that ends with a call insn.
1517 (fix_up_fall_thru_edges): Handle crossing edges that ends with a
1518 call insn and clear the EDGE_CROSSING flag of the crossing edge
1519 when fixing fallthru edges.
1521 2008-02-27 Richard Guenther <rguenther@suse.de>
1524 * fold-const.c (fold_unary): Return the correct argument,
1525 converted to the result type.
1527 2008-02-27 Richard Guenther <rguenther@suse.de>
1530 * expr.c (expand_expr_real_1): Assert on rotates that operate
1532 * fold-const.c (fold_binary): Use the types precision, not the
1533 bitsize of the mode if folding rotate expressions. Build rotates
1534 only for full modes.
1536 2008-02-27 Jakub Jelinek <jakub@redhat.com>
1538 * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
1540 * c-pragma.c (pragma_ns_name): New typedef.
1541 (registered_pp_pragmas): New variable.
1542 (c_pp_lookup_pragma): New function.
1543 (c_register_pragma_1): If flag_preprocess_only, do nothing
1544 for non-expanded pragmas, for expanded ones push pragma's
1545 namespace and name into registered_pp_pragmas vector.
1546 (c_invoke_pragma_handler): Register OpenMP pragmas even when
1547 flag_preprocess_only, don't register GCC pch_preprocess
1548 pragma if flag_preprocess_only.
1549 * c-opts.c (c_common_init): Call init_pragma even if
1550 flag_preprocess_only.
1551 * c-pragma.c (c_pp_lookup_pragma): New prototype.
1552 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
1553 cpp_register_pragma if flag_preprocess_only.
1555 2008-02-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1558 * c-parser.c (c_parser_translation_unit): Warn for empty
1559 translation unit, not empty source file.
1561 2008-02-26 Paul Brook <paul@codesourcery.com>
1563 * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
1564 operand for Thumb-2.
1565 * config/arm/arm.h (reg_class): Add CORE_REGS.
1566 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
1567 (BASE_REG_CLASS): Use CORE_REGS.
1568 (PREFERRED_RELOAD_CLASS): Add STACK_REG.
1569 (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
1570 (REGNO_OK_FOR_INDEX_P): Exclude SP.
1571 (ARM_REG_OK_FOR_INDEX_P): Always define. Use
1572 ARM_REGNO_OK_FOR_INDEX_P.
1573 (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
1574 * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
1575 arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
1576 (ldm/stm peepholes): Ditto.
1577 * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
1578 * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
1579 * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
1580 * config/arm/constraints.md: Enable "k" constraint on ARM.
1582 2008-02-27 Ben Elliston <bje@au.ibm.com>
1584 * config/rs6000/rs6000.c: Annotate cache line size field in all
1585 instances of struct processor_costs.
1587 2008-02-26 David Edelsohn <edelsohn@gnu.org>
1589 * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
1590 dse2, gcse, if_conversion, if_after_combine, if_after_reload,
1591 jump_bypass): New counters.
1592 * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
1593 * dce.c (gate_ud_dce): Same.
1594 (gate_fast_dce): Same.
1595 * dse.c (gate_dse1): New function.
1596 (gate_dse2): New function.
1597 (gate_dse): Merge results of new gate functions.
1598 * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
1599 (gate_handle_jump_bypass): Add dbg_cnt.
1600 (gate_handle_gcse): Add dbg_cnt.
1601 * ifcvt.c (gate_handle_if_conversion): Same.
1602 (gate_handle_if_after_combine): Same.
1603 (gate_handle_if_after_reload): Same.
1604 * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
1606 2008-02-26 Edmar Wienskoski <edmar@freescale.com>
1608 * config/rs6000/rs6000.c (processor_costs): Update e300 cache
1610 * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
1612 2008-02-26 Jason Merrill <jason@redhat.com>
1615 * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
1616 alone if it's the naming decl for the type's main variant.
1618 2008-02-26 Tom Tromey <tromey@redhat.com>
1620 * system.h (USE_MAPPED_LOCATION): Poison.
1621 * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
1622 * tree-cfg.c (make_cond_expr_edges): Remove old location code.
1623 (make_goto_expr_edges): Likewise.
1624 (remove_bb): Likewise.
1625 (execute_warn_function_return): Likewise.
1626 * basic-block.h (struct edge_def) <goto_locus>: Change type to
1628 * c-common.c (fname_decl): Remove old location code.
1629 * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
1631 * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
1633 (ASM_INPUT_SOURCE_LOCATION): Likewise.
1634 (gen_rtx_ASM_INPUT): Likewise.
1635 (gen_rtx_ASM_INPUT_loc): Likewise.
1636 (get_rtx_asm_OPERANDS): Remove.
1637 * cfglayout.c (insn_locators_alloc): Remove old location code.
1638 (set_curr_insn_source_location): Likewise.
1639 (curr_insn_locator): Likewise.
1640 * print-tree.c (print_node): Remove old location code.
1641 * tree-mudflap.c (mf_varname_tree): Remove old location code.
1642 (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
1643 * cfgexpand.c (expand_gimple_cond_expr): Don't use
1644 location_from_locus.
1645 (construct_exit_block): Remove old location code.
1646 * emit-rtl.c (force_next_line_note): Remove old location code.
1647 * profile.c (branch_prob): Remove old location code.
1648 * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
1649 LOC_LINE): Remove old-location variants.
1650 * langhooks.c (lhd_print_error_function): Remove old location
1652 * configure, config.in: Rebuilt.
1653 * configure.ac (--enable-mapped-location): Remove.
1654 * c-decl.c (c_init_decl_processing): Remove old location code.
1655 (finish_function): Likewise.
1656 * recog.c (decode_asm_operands): Remove old location code.
1657 * c-pch.c (c_common_read_pch): Remove old location code.
1658 * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
1660 * gimple-low.c (lower_function_body): Remove old location code.
1661 * toplev.c (unknown_location): Remove.
1662 (push_srcloc): Remove old-location variant.
1663 (process_options): Remove old location code.
1664 (lang_dependent_init): Likewise.
1665 * input.h (UNKNOWN_LOCATION): Move definition.
1666 (location_t): Undeprecate.
1667 (source_locus): Remove.
1668 (location_from_locus): Remove.
1669 (struct location_s): Remove.
1670 Remove all old-location code.
1671 (input_line, input_filename): Remove.
1672 * final.c (final_scan_insn): Remove old location code.
1673 * diagnostic.c (diagnostic_build_prefix): Remove
1674 USE_MAPPED_LOCATION test.
1675 * tree.h (gimple_stmt) <locus>: Now a location_t.
1676 (tree_exp) <locus>: Likewise.
1677 (DECL_IS_BUILTIN): Remove old-location variant.
1678 (annotate_with_file_line, annotate_with_locus): Likewise.
1679 (expr_locus, set_expr_locus): Update.
1680 * tree.c (build1_stat): Remove old location code.
1681 (last_annotated_node): Remove.
1682 (annotate_with_file_line): Remove old-location variant.
1683 (annotate_with_locus): Likewise.
1684 (expr_location): Remove old location code.
1685 (set_expr_location): Likewise.
1686 (expr_has_location): Likewise.
1687 (expr_locus): Likewise.
1688 (set_expr_locus): Likewise.
1689 (expr_filename): Don't use location_from_locus.
1690 (expr_lineno): Likewise.
1691 * rtl-error.c (location_for_asm): Remove old location code.
1692 * c-lex.c (cb_line_change): Remove old location code.
1693 (fe_file_change): Likewise.
1694 (cb_def_pragma): Likewise.
1695 (c_lex_with_flags): Likewise.
1696 * gengtype.c (do_typedef): Don't special-case location types.
1697 (define_location_structures): Remove.
1698 (main): Don't call define_location_structures.
1699 * tree-pretty-print.c (dump_implicit_edges): Remove old location
1702 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1705 * builtins.def (BUILT_IN_STDARG_START): Remove.
1706 * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
1707 * tree-stdarg.c (execute_optimize_stdarg): Likewise.
1708 * tree-inline.c (inline_forbidden_p_1): Likewise.
1710 2008-02-26 Richard Guenther <rguenther@suse.de>
1712 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1713 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1714 (lookup_decl_from_uid): Declare.
1715 (remove_decl_from_map): Likewise.
1716 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1717 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1718 (decl_for_uid_map): New global hashtable mapping DECL_UID
1720 (init_ttree): Allocate it.
1721 (insert_decl_to_uid_decl_map): New helper function.
1722 (make_node_stat): Insert new decls into the map.
1723 (copy_node_stat): Likewise.
1724 (lookup_decl_from_uid): New function.
1725 (remove_decl_from_map): Likewise.
1726 (print_decl_for_uid_map_statistics): New helper.
1727 (dump_tree_statistics): Call it.
1729 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1730 (referenced_var_iterator): Adjust.
1731 (FOR_EACH_REFERENCED_VAR): Adjust.
1732 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1733 (num_referenced_vars): Adjust.
1734 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1735 (first_referenced_var): Remove.
1736 (end_referenced_vars_p): Likewise.
1737 (next_referenced_var): Likewise.
1738 (referenced_var_iterator_set): New helper function.
1739 * tree-dfa.c (referenced_var_lookup): Adjust.
1740 (referenced_var_check_and_insert): Likewise.
1741 (remove_referenced_var): Likewise.
1742 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1743 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1744 (verify_call_clobbering): Likewise.
1745 (verify_memory_partitions): Likewise.
1746 (init_tree_ssa): Allocate bitmap instead of hashtable for
1748 (delete_tree_ssa): Adjust.
1749 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1750 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1751 (compute_tag_properties): Likewise.
1752 (set_initial_properties): Likewise.
1753 (find_partition_for): Likewise.
1754 (update_reference_counts): Likewise.
1755 (dump_may_aliases_for): Likewise.
1756 * tree-ssa-operands.c (add_virtual_operand): Likewise.
1757 (add_call_clobber_ops): Likewise.
1758 (add_call_read_ops): Likewise.
1759 (get_asm_expr_operands): Likewise.
1760 * tree-into-ssa.c (dump_decl_set): Likewise.
1761 (update_ssa): Likewise.
1762 * tree-sra.c (scan_function): Likewise.
1763 (decide_instantiations): Likewise.
1764 (scalarize_parms): Likewise.
1765 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1766 (dsa_named_for): Likewise.
1767 * tree-ssa-structalias.c (update_alias_info): Likewise.
1768 (merge_smts_into): Likewise.
1770 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1773 * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
1774 * c-opts.c (c_common_handle_option): Wall enables
1775 Wvolatile-register-var.
1776 * common.opt: Move Wvolatile-register-var to...
1779 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1781 * common.opt (Wlarger-than=): New.
1782 * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
1784 * opts.c (common_handle_option): Handle -Wlarger-than=.
1785 * optc-gen.awk: Likewise.
1786 * opth-gen.awk: Likewise.
1787 * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
1788 * tree-optimize.c (tree_rest_of_compilation): Likewise.
1790 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1792 * c-common.c (match_case_to_enum_1): Add appropriate
1793 OPT_W* parameter to warning.
1794 (c_do_switch_warnings): Likewise.
1795 * c-typeck.c (warning_init): Add one more parameter following
1797 (push_init_level): Update call to warning_init.
1798 (pop_init_level): Likewise.
1799 (add_pending_init): Likewise.
1800 (output_init_element: Likewise.
1802 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1805 * toplev.c (toplev_main): If there are warnings or error, print
1806 errors for ignored options.
1807 * opts.c (ignored_options): New static variable.
1808 (postpone_unknown_option_error): New.
1809 (print_ignored_options): New.
1810 (handle_option): Postpone errors for unknown -Wno-* options.
1811 * opts.h (print_ignored_options): Declare.
1813 2008-02-25 Richard Sandiford <rsandifo@nildram.co.uk>
1815 * config/mips/mips.md (loadgp_blockage, blockage): Change type
1818 2008-02-25 Richard Guenther <rguenther@suse.de>
1821 2008-02-25 Richard Guenther <rguenther@suse.de>
1823 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1824 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1825 (lookup_decl_from_uid): Declare.
1826 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1827 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1828 (decl_for_uid_map): New global hashtable mapping DECL_UID
1830 (init_ttree): Allocate it.
1831 (insert_decl_to_uid_decl_map): New helper function.
1832 (make_node_stat): Insert new decls into the map.
1833 (copy_node_stat): Likewise.
1834 (lookup_decl_from_uid): New function.
1835 (print_decl_for_uid_map_statistics): New helper.
1836 (dump_tree_statistics): Call it.
1838 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1839 (referenced_var_iterator): Adjust.
1840 (FOR_EACH_REFERENCED_VAR): Adjust.
1841 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1842 (num_referenced_vars): Adjust.
1843 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1844 (first_referenced_var): Remove.
1845 (end_referenced_vars_p): Likewise.
1846 (next_referenced_var): Likewise.
1847 (referenced_var_iterator_set): New helper function.
1848 * tree-dfa.c (referenced_var_lookup): Adjust.
1849 (referenced_var_check_and_insert): Likewise.
1850 (remove_referenced_var): Likewise.
1851 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1852 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1853 (verify_call_clobbering): Likewise.
1854 (verify_memory_partitions): Likewise.
1855 (init_tree_ssa): Allocate bitmap instead of hashtable for
1857 (delete_tree_ssa): Adjust.
1858 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1859 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1860 (compute_tag_properties): Likewise.
1861 (set_initial_properties): Likewise.
1862 (find_partition_for): Likewise.
1863 (update_reference_counts): Likewise.
1864 (dump_may_aliases_for): Likewise.
1865 * tree-ssa-operands.c (add_virtual_operand): Likewise.
1866 (add_call_clobber_ops): Likewise.
1867 (add_call_read_ops): Likewise.
1868 (get_asm_expr_operands): Likewise.
1869 * tree-into-ssa.c (dump_decl_set): Likewise.
1870 (update_ssa): Likewise.
1871 * tree-sra.c (scan_function): Likewise.
1872 (decide_instantiations): Likewise.
1873 (scalarize_parms): Likewise.
1874 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1875 (dsa_named_for): Likewise.
1876 * tree-ssa-structalias.c (update_alias_info): Likewise.
1877 (merge_smts_into): Likewise.
1879 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
1882 * doc/invoke.texi (-fcx-limited-range): Document new option.
1883 * toplev.c (process_options): Handle -fcx-fortran-rules.
1884 * common.opt: Add documentation for -fcx-fortran-rules.
1886 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
1889 * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
1890 actual behaviour and C99.
1892 2008-02-26 Ben Elliston <bje@au.ibm.com>
1894 * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
1895 (ASM_CPU_POWER6_SPEC): Likewise.
1896 (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
1897 Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
1898 (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
1900 2008-02-25 Richard Guenther <rguenther@suse.de>
1902 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1903 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1904 (lookup_decl_from_uid): Declare.
1905 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1906 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1907 (decl_for_uid_map): New global hashtable mapping DECL_UID
1909 (init_ttree): Allocate it.
1910 (insert_decl_to_uid_decl_map): New helper function.
1911 (make_node_stat): Insert new decls into the map.
1912 (copy_node_stat): Likewise.
1913 (lookup_decl_from_uid): New function.
1914 (print_decl_for_uid_map_statistics): New helper.
1915 (dump_tree_statistics): Call it.
1917 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1918 (referenced_var_iterator): Adjust.
1919 (FOR_EACH_REFERENCED_VAR): Adjust.
1920 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1921 (num_referenced_vars): Adjust.
1922 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1923 (first_referenced_var): Remove.
1924 (end_referenced_vars_p): Likewise.
1925 (next_referenced_var): Likewise.
1926 (referenced_var_iterator_set): New helper function.
1927 * tree-dfa.c (referenced_var_lookup): Adjust.
1928 (referenced_var_check_and_insert): Likewise.
1929 (remove_referenced_var): Likewise.
1930 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1931 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1932 (verify_call_clobbering): Likewise.
1933 (verify_memory_partitions): Likewise.
1934 (init_tree_ssa): Allocate bitmap instead of hashtable for
1936 (delete_tree_ssa): Adjust.
1937 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1938 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1939 (compute_tag_properties): Likewise.
1940 (set_initial_properties): Likewise.
1941 (find_partition_for): Likewise.
1942 (update_reference_counts): Likewise.
1943 (dump_may_aliases_for): Likewise.
1944 * tree-ssa-operands.c (add_virtual_operand): Likewise.
1945 (add_call_clobber_ops): Likewise.
1946 (add_call_read_ops): Likewise.
1947 (get_asm_expr_operands): Likewise.
1948 * tree-into-ssa.c (dump_decl_set): Likewise.
1949 (update_ssa): Likewise.
1950 * tree-sra.c (scan_function): Likewise.
1951 (decide_instantiations): Likewise.
1952 (scalarize_parms): Likewise.
1953 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1954 (dsa_named_for): Likewise.
1955 * tree-ssa-structalias.c (update_alias_info): Likewise.
1956 (merge_smts_into): Likewise.
1958 2008-02-25 Andreas Krebbel <krebbel1@de.ibm.com>
1961 * cse.c (cse_insn): Avoid creation of overlapping MEMs.
1962 * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
1963 * alias.h (nonoverlapping_memrefs_p): Likewise.
1965 2008-02-25 Jan Beulich <jbeulich@novell.com>
1967 * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
1968 * config/i386/netware-libgcc.exp: Add __bswap?i2,
1969 __emultls_get_address, __emultls_register_common,
1970 __floatundi?f, and _Unwind_GetIPInfo.
1971 * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
1972 Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
1973 (gen_regparm_prefix): Likewise.
1974 (i386_nlm_encode_section_info): Sync with
1975 config/i386/winnt.c:i386_pe_encode_section_info().
1976 (i386_nlm_maybe_mangle_decl_assembler_name): New.
1977 i386_nlm_mangle_decl_assembler_name): New.
1978 (netware_override_options): New.
1979 * config/i386/netware.h (netware_override_options): Declare.
1980 (OVERRIDE_OPTIONS): Re-define to netware_override_options.
1981 (i386_nlm_mangle_decl_assembler_name): Declare.
1982 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
1984 2008-02-25 Ben Elliston <bje@au.ibm.com>
1987 * c-decl.c (grokdeclarator): Remove unused local variables
1988 `typedef_type' and `type_as_written'.
1990 (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
1991 unused local variable `has_hot_blocks'.
1992 (fix_crossing_conditional_branches): Remove unused local variable
1995 2008-02-25 Uros Bizjak <ubizjak@gmail.com>
1998 * builtins.def (BUILT_IN_NAN): Define as c99 builtin
1999 using DEF_C99_BUILTIN.
2000 (BUILT_IN_NANF): Ditto.
2001 (BUILT_IN_NANL): Ditto.
2003 2008-02-25 Ayal Zaks <zaks@il.ibm.com>
2004 Revital Eres <eres@il.ibm.com>
2006 * modulo-sched.c (calculate_must_precede_follow): Address TODO
2007 regarding the order of two dependent insns in the same row.
2009 2008-02-25 Eric Botcazou <ebotcazou@adacore.com>
2011 * stor-layout.c (layout_decl): Do not bump the alignment of a
2012 bit-field to more than byte alignment if it is packed.
2014 2008-02-24 David Edelsohn <edelsohn@gnu.org>
2016 * config/rs6000/rs6000.c (processor_costs): Add cache costs for
2019 2008-02-24 Diego Novillo <dnovillo@google.com>
2021 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
2024 * tree-vrp.c (vrp_evaluate_conditional): With
2025 -Wtype-limits, emit a warning when comparing against a
2026 constant outside the natural range of OP0's type.
2027 * c.opt (Wtype-limits): Move ...
2028 * common.opt (Wtype-limits): ... here.
2030 2008-02-24 Edmar Wienskoski <edmar@freescale.com>
2032 * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
2033 * config/rs6000/e300c2c3.md: New file.
2034 * config/rs6000/rs6000.c (processor_costs): Add new costs for
2036 (rs6000_override_options): Add e300c2 and e300c3 cases to
2037 processor_target_table. Do not allow usage of Altivec or Spe
2038 with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
2039 (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
2040 * config/rs6000/rs6000.h (processor_type): Add
2041 PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
2042 (ASM_CPU_SPEC): Add e300c2 and e300c3.
2043 * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
2044 and ppce300c3. Include e300c2c3.md.
2046 2008-02-23 David Edelsohn <edelsohn@gnu.org>
2048 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
2049 instead of TARGET_STRICT_ALIGN.
2051 2008-02-23 Joseph Myers <joseph@codesourcery.com>
2053 * explow.c (memory_address): Assert that the generated address is
2056 2008-02-23 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2059 * config/darwin-protos.h: Add darwin_patch_builtins prototype.
2060 * config/darwin-ppc-ldouble-patch.def: New file.
2061 * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
2062 * config/rs6000/rs6000.c (rs6000_init_builtins): Call
2063 SUBTARGET_INIT_BUILTINS if defined.
2064 * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
2067 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
2070 * simplify-rtx.c (simplify_binary_operation_1): Add simplification
2071 of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
2073 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
2076 * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
2077 file" warning condtional on -Winvalid-PCH.
2079 2008-02-23 Daniel Jacobowitz <dan@codesourcery.com>
2081 * expmed.c (extract_bit_field): Always use adjust_address for MEM.
2083 2008-02-23 Uros Bizjak <ubizjak@gmail.com>
2087 * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
2088 prevent reload from using MMX registers.
2089 (*mov<mode>_internal): Ditto.
2090 (*movv2sf_internal_rex64): Ditto.
2091 (*movv2sf_internal): Ditto.
2093 2008-02-23 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2095 PR documentation/31569
2096 * doc/install.texi2html: Use makeinfo --no-number-sections.
2098 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
2100 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
2101 ensure that we can address an entire entity > 8 bytes. Don't
2102 generate reg+reg addressing for such data.
2104 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
2106 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
2107 strings when optimizing for size, unless the target cares about
2110 2008-02-22 Tom Tromey <tromey@redhat.com>
2112 * regclass.c (current_pass): Remove declaration.
2114 2008-02-22 Anatoly Sokolov <aesok@post.ru>
2116 * config/avr/libgcc.S (__RAMPZ__): Define.
2117 (__do_copy_data): Add for devices with 128KB code memory.
2119 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
2121 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
2123 * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
2125 2008-02-22 Hans-Peter Nilsson <hp@axis.com>
2127 * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
2130 2008-02-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2133 * c-typeck.c (build_binary_op): Warn about floating point
2134 comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
2136 2008-02-21 Janis Johnson <janis187@us.ibm.com>
2139 * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
2140 (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
2142 (rs6000_override_options): Set altivec_abi as default, not override,
2143 for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
2144 TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
2145 is used; use new member spe_abi.
2146 (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
2147 spe_abi and altivec_abi.
2149 2008-02-22 Tomas Bily <tbily@suse.cz>
2151 * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
2153 2008-02-21 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2156 * config.build (build_file_translate): Set to `CMD //c' only if
2158 * Makefile.in (build_file_translate): Improve comment.
2160 2008-02-21 Jan Hubicka <jh@suse.cz>
2162 * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
2163 PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
2164 PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
2166 2008-02-21 Michael Matz <matz@suse.de>
2169 * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
2171 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
2173 * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
2174 movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
2176 * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
2177 from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
2178 SSE_VEC_FLOAT_MODE_P as insn constraint.
2179 (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
2180 (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
2181 sse4a_movntdf using MODEF mode iterator.
2182 (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
2183 sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
2184 (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
2185 (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
2186 (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
2187 (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
2188 (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
2190 2008-02-21 Richard Guenther <rguenther@suse.de>
2192 * tree.def (PAREN_EXPR): New tree code.
2193 * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
2195 * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
2196 * expr.c (expand_expr_real_1): Likewise.
2197 * tree-inline.c (estimate_num_insns_1): Likewise.
2198 * tree-complex.c (expand_complex_move): Likewise.
2199 * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
2202 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
2205 * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
2207 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
2210 * config/sh/sh.md (jump_compact): Disable for crossing jumps.
2212 * config/sh/sh.c (find_barrier): Don't go past
2213 NOTE_INSN_SWITCH_TEXT_SECTIONS note.
2215 2008-02-20 DJ Delorie <dj@redhat.com>
2217 * config/h8300/h8300.md (insv): Force source operand to be a register.
2219 * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
2220 as a jump, not as a plain insn.
2222 2008-02-20 Seongbae Park <seongbae.park@gmail.com>
2224 * doc/invoke.texi (Warning Options): Add new option
2225 -Wframe-larger-than=.
2226 (-Wframe-larger-than): Document.
2228 * flags.h (warn_frame_larger_than, frame_larger_than_size):
2229 Add declarations for new option variables.
2231 * final.c (final_start_function): Check the frame size
2232 before emission and issue a Wframe-larger-than warning.
2234 * opts.c (warn_frame_larger_than, frame_larger_than_size):
2235 Add definitions for new option variables.
2236 (common_handle_option): Handle new option OPT_Wframe_larger_than_.
2238 * common.opt (Wframe-larger-than=): New option.
2240 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
2242 * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
2243 (<sse>_div<mode>3): Ditto.
2244 (<sse>_vmdiv<mode>3): Ditto.
2245 (<sse>_vmsqrt<mode>2): Ditto.
2246 (*smax<mode>3): Ditto.
2247 (sse5_frcz<mode>2): Ditto.
2248 (sse5_vmfrcz<mode>2): Ditto. Use TARGET_SSE5 instead of TARGET_ROUND
2251 2008-02-20 Richard Guenther <rguenther@suse.de>
2254 * builtins.c (validate_arg): If we want an INTEGER_TYPE,
2255 be happy with INTEGRAL_TYPE_P.
2257 2008-02-20 Richard Guenther <rguenther@suse.de>
2259 * fold-const.c (split_tree): Associate floatig-point expressions
2260 if flag_associative_math is set.
2262 2008-02-20 Richard Guenther <rguenther@suse.de>
2264 * tree.h (fold_real_zero_addition_p): Declare.
2265 * fold-const.c (fold_real_zero_addition_p): Export.
2266 * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
2267 floating-point operations with zero and one.
2269 2008-02-20 Paolo Bonzini <bonzini@gnu.org>
2271 * doc/install.texi: Correct references to CFLAGS, replacing them
2272 with BOOT_CFLAGS. Document flags used during bootstrap for
2275 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
2277 * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
2278 * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
2279 and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
2281 (smin<mode>3): Ditto from similar patterns.
2282 (smax<mode>3): Ditto.
2283 (*ieee_smin<mode>3): Ditto.
2284 (*ieee_smax<mode>3): Ditto.
2285 * config/i386/sse.md (sse): New mode attribute.
2286 (mov<mode>): Macroize expander from movv4sf and movv2df using
2287 SSEMODEF2P mode iterator.
2288 (<sse>_movnt<mode>): Ditto from similar patterns. Use
2289 SSE_VEC_FLOAT_MODE_P as insn constraint.
2290 (storent<mode>): Ditto.
2291 (storent<mode>): Macroize expander from storentsf and storentdf using
2292 MODEF mode iterator.
2293 (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
2294 mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
2295 (abs<mode>2): Ditto from similar patterns.
2296 (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
2297 (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
2298 (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
2299 (<sse>_vmsqrt<mode>2): Ditto.
2300 (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
2301 (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
2302 (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
2303 (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
2304 (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
2305 sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
2306 mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
2308 (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
2309 iterator and SSE_FLOAT_MODE_P as insn constraint.
2310 (<sse>_ucomi): Ditto from similar patterns.
2311 (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
2312 sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
2313 SSE_VEC_FLOAT_MODE_P as insn constraint.
2314 (vcond<mode>): Ditto from similar patterns.
2315 (and<mode>3, *and<mode>3): Ditto.
2316 (<sse>_nand<mode>3): Ditto.
2317 (ior<mode>3, *ior<mode>3): Ditto.
2318 (xor<mode>3, *xor<mode>3): Ditto.
2319 (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
2320 iterator and SSE_FLOAT_MODE_P as insn constraint.
2321 (*nand<mode>3): Ditto from similar patterns.
2322 (*ior<mode>3): Ditto.
2323 (*xor<mode>3): Ditto.
2325 2008-02-20 Ira Rosen <irar@il.ibm.com>
2327 * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
2328 vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
2329 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
2331 2008-02-19 Jan Hubicka <jh@suse.cz>
2333 * predict.c (tree_bb_level_predictions): Remove variable next
2334 mistakely introduced by previous commit.
2336 2008-02-19 Jan Hubicka <jh@suse.cz>
2338 * predict.c (predict_paths_leading_to): Rewrite.
2339 (predict_paths_for_bb): New.
2340 (tree_bb_level_predictions): Update call of predict_paths_leading_to.
2342 2008-02-19 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2345 * Makefile.in (build_file_translate): New.
2346 (gcc-vers.texi): Use it for translating $(abs_srcdir).
2347 * config.build (build_file_translate): Set to `CMD //c' on MinGW.
2348 * configure.ac (build_file_translate): Substitute it.
2349 * configure: Regenerate.
2351 2008-02-19 Jan Hubicka <jh@suse.cz>
2353 PR rtl-optimization/34408
2354 * see.c (see_def_extension_not_merged): Copy subreg so we don't have
2357 2008-02-19 Jan Hubicka <jh@suse.cz>
2360 * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
2363 2008-02-19 H.J. Lu <hongjiu.lu@intel.com>
2366 * config/i386/i386-modes.def: Revert the last DI alignment
2367 change until Ada people can look into it.
2369 2008-02-19 Nick Clifton <nickc@redhat.com>
2371 * opts.c (print_specific_help): Fix typo in --help text.
2373 2008-02-19 Jakub Jelinek <jakub@redhat.com>
2376 * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
2377 32-bit inline asm without asm alternatives for host GCC < 3.0.
2379 2008-02-19 Richard Guenther <rguenther@suse.de>
2381 PR tree-optimization/34989
2382 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
2383 Allow propagation to INDIRECT_REF if we can simplify only.
2385 2008-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2387 * c-common.c (warn_for_collisions_1): Use appropriate option when
2390 2008-02-19 Nick Clifton <nickc@redhat.com>
2393 * opts.c (undocumented_msg): Leave blank unless checking is enabled.
2394 (handle_options): Fix indentation.
2395 (print_filtered_help): If no language-specific options were
2396 displayed tell the user how to list all the options supported by
2397 the language's front-end.
2398 (print_specific_help): Fix indentation and remove duplicate line.
2399 (common_handle_option): Handle the -v option.
2400 For --help enable the display of undocumented options if the -v
2401 switch has been included on the command line.
2402 For --help= check for overlaps in the arguments between the option
2403 classes and the language names and issue a warning when they
2404 cannot be disambiguated.
2405 * c.opt (v): Pass on to the common option handler.
2407 2008-02-19 Revital Eres <eres@il.ibm.com>
2409 * modulo-sched.c (sms_schedule): Change dump message when
2410 create_ddg function fails.
2411 (try_scheduling_node_in_cycle): Rename row to cycle.
2412 (print_partial_schedule): Rename CYCLE to ROW.
2414 2008-02-19 Christian Bruel <christian.bruel@st.com>
2415 Zdenek Dvorak <ook@ucw.cz>
2417 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
2419 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
2422 * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
2423 (*x86_movdicc_0_m1_se): Ditto.
2425 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
2427 * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
2428 (CMPtype): Define as __gcc_CMPtype.
2429 * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
2430 (CMPtype): Define as __gcc_CMPtype.
2432 2008-02-19 Hans-Peter Nilsson <hp@axis.com>
2434 Support valgrind 3.3 for --enable-checking=valgrind.
2435 * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
2437 [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
2438 [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
2439 [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
2440 * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
2441 Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
2442 VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
2443 VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
2445 * ggc-zone.c: Similar.
2446 * ggc-page.c: Similar.
2448 2008-02-19 Paul Brook <paul@codesourcery.com>
2451 * config/arm/ieee754-df.S: Fix do_it typo.
2452 * config/arm/ieee754-sf.S: Fix do_it typo.
2454 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
2457 * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
2458 (OPTION_MASK_ISA_3DNOW_SET): Likewise.
2459 (OPTION_MASK_ISA_SSE_SET): Likewise.
2460 (OPTION_MASK_ISA_SSE2_SET): Likewise.
2461 (OPTION_MASK_ISA_SSE3_SET): Likewise.
2462 (OPTION_MASK_ISA_SSSE3_SET): Likewise.
2463 (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
2464 (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
2465 (OPTION_MASK_ISA_SSE4_SET): Likewise.
2466 (OPTION_MASK_ISA_SSE4A_SET): Likewise.
2467 (OPTION_MASK_ISA_SSE5_SET): Likewise.
2468 (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
2469 (OPTION_MASK_ISA_MMX_UNSET): Updated.
2470 (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
2471 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
2472 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
2473 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
2474 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
2475 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
2476 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
2477 (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
2478 (OPTION_MASK_ISA_SSE4): Removed.
2479 (ix86_handle_option): Turn on bits in ix86_isa_flags and
2480 ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
2481 (override_options): Don't turn on implied SSE/MMX bits in
2484 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
2486 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2489 2008-02-18 Joey Ye <joey.ye@intel.com>
2492 * tree-nested.c (insert_field_into_struct): Set type alignment
2493 to field alignment if the former is less than the latter.
2495 2008-02-18 Jakub Jelinek <jakub@redhat.com>
2497 * BASE-VER: Set to 4.4.0.
2499 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2501 * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
2502 * doc/cfg.texi: Likewise.
2503 * doc/extend.texi: Likewise.
2504 * doc/gty.texi: Likewise.
2505 * doc/invoke.texi: Likewise.
2506 * doc/loop.texi: Likewise.
2507 * doc/md.texi: Likewise.
2508 * doc/passes.texi: Likewise.
2509 * doc/rtl.texi: Likewise.
2510 * doc/sourcebuild.texi: Likewise.
2511 * doc/tm.texi: Likewise.
2512 * doc/tree-ssa.texi: Likewise.
2514 2008-02-17 Richard Guenther <rguenther@suse.de>
2517 * tree-complex.c (init_parameter_lattice_values): Handle parameters
2518 without default definition.
2520 2008-02-17 Richard Guenther <rguenther@suse.de>
2522 PR tree-optimization/35231
2523 * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
2526 2008-02-17 Uros Bizjak <ubizjak@gmail.com>
2530 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
2531 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
2532 libgcc_cmp_return mode.
2534 2008-02-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2537 * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
2539 2008-02-16 Ralf Corsepius <ralf.corsepius@rtems.org>
2541 * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
2544 2008-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2546 * doc/c-tree.texi: Use `@.' where appropriate.
2547 * doc/extend.texi: Likewise.
2548 * doc/install.texi: Likewise.
2549 * doc/invoke.texi: Likewise.
2550 * doc/loop.texi: Likewise.
2551 * doc/makefile.texi: Likewise.
2552 * doc/md.texi: Likewise.
2553 * doc/passes.texi: Likewise.
2554 * doc/standards.texi: Likewise.
2555 * doc/tm.texi: Likewise.
2557 2008-02-15 Jakub Jelinek <jakub@redhat.com>
2560 * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
2562 (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
2563 rather than in entry_bb.
2565 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
2567 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
2568 libgcc_cmp_return mode.
2570 2008-02-15 Jakub Jelinek <jakub@redhat.com>
2573 * tree-nested.c (convert_call_expr): Put FRAME.* vars into
2574 OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
2576 2008-02-15 Richard Guenther <rguenther@suse.de>
2577 Zdenek Dvorak <ook@ucw.cz>
2579 PR tree-optimization/35164
2580 * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
2581 * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
2582 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
2583 Only propagate addresses which do not have abnormal SSA_NAMEs
2586 2008-02-15 Joseph Myers <joseph@codesourcery.com>
2589 * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
2591 2008-02-15 Jan Hubicka <jh@suse.cz>
2594 * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
2596 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
2599 * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
2600 when calculating alignment_pad.
2602 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
2604 * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
2605 (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
2606 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
2607 and STACK_BOUNDARY define.
2609 2008-02-14 Danny Smith <dannysmith@users.sourceforge.net>
2611 PR preprocessor/35061
2612 * c-pragma.c (handle_pragma_pop_macro): Check that
2613 pushed_macro_table has been allocated.
2615 2008-02-14 Eric Botcazou <ebotcazou@adacore.com>
2618 * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
2619 (force_gimple_operand): Likewise.
2620 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
2621 for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
2622 Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
2623 (find_interesting_uses_address): Check addressability and alignment
2624 of the base expression only after substituting bases of IVs into it.
2626 2008-02-14 Michael Matz <matz@suse.de>
2629 * function.c (instantiate_virtual_regs_in_insn): Reload address
2630 before falling back to reloading the whole operand.
2632 2008-02-14 Andreas Krebbel <krebbel1@de.ibm.com>
2634 * config/s390/s390.c (s390_mainpool_start): Emit the pool
2635 before the first section switch note.
2637 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2639 * doc/bugreport.texi: Update copyright years.
2640 * doc/c-tree.texi: Likewise.
2641 * doc/cfg.texi: Likewise.
2642 * doc/cpp.texi: Likewise.
2643 * doc/cppinternals.texi: Likewise.
2644 * doc/fragments.texi: Likewise.
2645 * doc/frontends.texi: Likewise.
2646 * doc/gcc.texi: Likewise.
2647 * doc/gty.texi: Likewise.
2648 * doc/hostconfig.texi: Likewise.
2649 * doc/implement-c.texi: Likewise.
2650 * doc/libgcc.texi: Likewise.
2651 * doc/loop.texi: Likewise.
2652 * doc/makefile.texi: Likewise.
2653 * doc/options.texi: Likewise.
2654 * doc/passes.texi: Likewise.
2655 * doc/rtl.texi: Likewise.
2656 * doc/sourcebuild.texi: Likewise.
2657 * doc/standards.texi: Likewise.
2658 * doc/tree-ssa.texi: Likewise.
2659 * doc/trouble.texi: Likewise.
2661 * doc/extend.texi: Use @: or add comma where appropriate.
2662 * doc/invoke.texi: Likewise.
2663 * doc/tm.texi: Likewise.
2665 2008-02-14 Alan Modra <amodra@bigpond.net.au>
2668 * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
2671 2008-02-14 Jesper Nilsson <jesper.nilsson@axis.com>
2673 * doc/md.texi (clz, ctz): Add reference.
2674 * doc/rtl.texi (clz, ctz): Likewise.
2676 2008-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2679 * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
2682 2008-02-13 Andreas Krebbel <krebbel1@de.ibm.com>
2684 * config/s390/s390.c (struct constant_pool): New field
2685 emit_pool_after added.
2686 (s390_mainpool_start): Set the emit_pool_after flag according
2687 to the section switch notes.
2688 (s390_mainpool_finish): Consider emit_pool_after when emitting
2689 the literal pool at the end of the function.
2690 (s390_chunkify_start): Force literal pool splits at section
2693 2008-02-13 Michael Matz <matz@suse.de>
2696 * var-tracking.c (clobber_variable_part): Correctly traverse the
2699 2008-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2702 * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
2703 Add -fdump-ipa-inline.
2704 * tree-dump.c (dump_files): Remove tree-inlined dump.
2705 * tree-pass.h (tree_dump_index): Remove TDI_inlined.
2707 2008-02-12 Richard Guenther <rguenther@suse.de>
2709 PR tree-optimization/35171
2710 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
2713 2008-02-12 Richard Guenther <rguenther@suse.de>
2716 * fold-const.c (fold_widened_comparison): Use get_unwidened in
2717 value-preserving mode. Disallow final truncation.
2719 2008-02-12 Eric Botcazou <ebotcazou@adacore.com>
2722 * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
2723 code from here to...
2724 (force_gimple_operand): ...here.
2726 2008-02-12 Jakub Jelinek <jakub@redhat.com>
2729 * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
2730 non-compatible pointers.
2731 (generate_element_copy): If SRC and DST are RECORD_TYPEs with
2732 different FIELD_DECLs, try harder by comparing field offsets, sizes
2736 * function.c (match_asm_constraints_1): Don't replace the same input
2739 2008-02-12 Anatoly Sokolov <aesok@post.ru>
2741 * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
2742 * config/avr/avr.c (expand_prologue): Save RAMPZ register.
2743 (expand_epilogue): Restore RAMPZ register.
2744 * config/avr/avr.md (RAMPZ_ADDR): New constant.
2746 2008-02-11 Kai Tietz <kai.tietz@onevision.com>
2748 * config/i386/cygwin.asm: (__alloca): Correct calling
2749 convention and alignment.
2750 (__chkstk): Force 8 byte stack alignment.
2752 2008-02-11 Uros Bizjak <ubizjak@gmail.com>
2753 Richard Guenther <rguenther@suse.de>
2755 PR tree-optimization/33992
2756 * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
2757 the zero we compare against.
2759 2008-02-10 Danny Smith <dannysmith@users.sourceforge.net>
2762 * gthr-win32.h (__gthread_mutex_destroy_function): New function
2763 to CloseHandle after unlocking to prevent accumulation of handle
2766 2008-02-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2769 * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
2770 pic_label_operand source. Similarly, add a REG_LABEL_OPERAND note
2771 and update LABEL_NUSES during and after reload.
2773 2008-02-08 Steven Bosscher <stevenb.gcc@gmail.com>
2776 * combine.c (simplify_if_then_else): Make sure the comparison is
2777 against const0_rtx when simplifying to (abs x) or (neg (abs X)).
2779 2008-02-08 Richard Sandiford <rsandifo@nildram.co.uk>
2782 * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
2783 (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
2784 * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
2785 (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
2786 * tree.h (get_type_static_bounds): Likewise.
2788 2008-02-08 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2790 * doc/invoke.texi (Option Summary, C++ Dialect Options)
2791 (Objective-C and Objective-C++ Dialect Options, Warning Options):
2792 Make -Wfoo language annotations match what the compiler outputs.
2794 2008-02-08 Sa Liu <saliu@de.ibm.com>
2796 * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
2797 intrinsics spu_convts, spu_convtu, spu_convtf.
2798 * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
2800 2008-02-08 Hans-Peter Nilsson <hp@axis.com>
2802 * doc/extend.texi (Function Attributes) <noinline>: Mention
2803 asm ("") as method to keep calls.
2805 2008-02-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2808 * doc/options.texi (Options): Replace references to opts.sh with
2810 * opts-common.c: Likewise.
2811 * optc-gen.awk: Likewise.
2813 2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
2815 * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
2817 2008-02-07 Richard Henderson <rth@redhat.com>
2820 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
2821 EXPR_LIST for the REG_EQUAL instead of a comparison with a
2824 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
2826 PR tree-optimization/35085
2827 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
2828 for operand entry oe2 in addition to operand entry oe3 in order to
2829 expose more opportunities for vectorizer sum reduction.
2831 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2834 * Makefile.in (LIBS): Remove $(GMPLIBS).
2835 (cc1-dummy, cc1): Add $(GMPLIBS).
2837 2008-02-06 Jan Hubicka <jh@suse.cz>
2840 * i386.md (moddf_integer): Do not produce partial memory stalls for
2841 targets where it hurts.
2843 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
2846 * optabs.c (expand_float): Do not check for decimal modes when
2847 expanding unsigned integer through signed conversion.
2849 2008-02-06 Nick Clifton <nickc@redhat.com>
2851 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
2852 inside the clobber with a match_operand and duplicated operand
2853 number in the constraint.
2854 (ineqbranchsi): Delete redundant comment.
2856 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
2858 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
2859 builtin_define ("__USE_INIT_FINI__").
2860 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
2862 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
2864 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2866 PR documentation/30330
2867 * doc/invoke.texi (C++ Dialect Options)
2868 (Objective-C and Objective-C++ Dialect Options, Warning Options):
2869 For each warning option -Wfoo that allows -Wno-foo, ensure both
2870 -Wfoo and -Wno-foo are listed in the option index. Fix index
2871 entry of -Wswitch-default, index -Wnormalized= including the
2872 `=', and -Wlarger-than-@var{len} including @var{len}.
2874 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
2876 * config/i386/i386.md (floatunssisf2): Use
2877 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
2878 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
2879 Macroize expander using MODEF mode iterator.
2881 2008-02-05 Diego Novillo <dnovillo@google.com>
2883 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
2886 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
2888 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2891 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
2893 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
2896 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
2897 to indicate if a message should be generated.
2898 (init_cumulative_args): Updated.
2899 (function_value_32): Likewise.
2901 2008-02-05 Joseph Myers <joseph@codesourcery.com>
2903 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
2905 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
2908 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
2909 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
2911 2008-02-04 Diego Novillo <dnovillo@google.com>
2913 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
2916 * tree-vrp.c (vrp_evaluate_conditional): With
2917 -Wtype-limits, emit a warning when comparing against a
2918 constant outside the natural range of OP0's type.
2920 2008-02-04 Richard Guenther <rguenther@suse.de>
2923 * expr.c (count_type_elements): Give for unions instead of
2926 2008-02-04 Richard Guenther <rguenther@suse.de>
2929 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
2930 to TYPE_DOMAINs base type instead of using bitsizetype here.
2932 2008-02-03 Jason Merrill <jason@redhat.com>
2934 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
2936 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2939 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
2940 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
2941 (RS/6000 and PowerPC Options): Fix typos and markup.
2942 * doc/passes.texi (Tree-SSA passes): Likewise.
2944 2008-02-02 Michael Matz <matz@suse.de>
2947 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
2948 from record_last_reg_set_info.
2949 (record_last_reg_set_info): Take an RTX argument, iterate over all
2950 constituent hardregs.
2951 (record_last_set_info, record_opr_changes): Change calls to
2952 new signature or to record_last_reg_set_info_regno.
2954 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
2956 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
2958 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
2960 PR rtl-optimization/34773
2961 * reg-notes.def (EQUAL): Mention significance of combination of
2962 REG_EQUAL and REG_RETVAL.
2963 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
2964 insn that has a REG_RETVAL.
2966 2008-02-01 Roger Sayle <roger@eyesopen.com>
2969 * configure.ac (--enable-fixed-point): Disable unless explicitly
2971 * configure: Regenerate.
2973 2008-02-01 Richard Guenther <rguenther@suse.de>
2976 * invoke.texi (-finline-limit): Remove no longer true parts
2977 of the documentation. Note that there is no default value.
2979 2008-02-01 Andrew Pinski <pinskia@gmail.com>
2980 Mark Mitchell <mark@codesourcery.com>
2981 Ben Elliston <bje@au.ibm.com>
2984 * doc/extend.texi (Other Builtins): Document.
2986 2008-01-31 Tom Browder <tom.browder@gmail.com>
2988 * doc/c-tree.texi (Types): Fix grammar.
2989 (Expression trees): Ditto.
2990 * doc/passes.texi (Tree-SSA passes): Ditto.
2992 * doc/configterms.texi (Configure Terms): Fix typo.
2993 * doc/cpp.texi (Common Predefined Macros): Ditto.
2994 * doc/md.texi (Machine Constraints): Ditto.
2996 * doc/makefile.texi (Makefile): Add comma.
2998 2008-01-31 Tom Browder <tom.browder@gmail.com>
2999 Gerald Pfeifer <gerald@pfeifer.com>
3001 * doc/sourcebuild.texi (Front End): Remove references to CVS
3002 and CVSROOT/modules.
3003 (Texinfo Manuals): Replace reference to CVS by one to SVN.
3004 (Back End): Remove reference to CVS.
3006 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
3009 * config/mips/mips.c (gen_load_const_gp): New function, taking a
3011 (mips16_gp_pseudo_reg): ...here.
3012 * config/mips/mips.md (load_const_gp): Replace with...
3013 (load_const_gp_<mode>): ...this :P-based insn.
3015 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3017 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
3018 options. Minor fixes.
3019 (-std): Move reference to standards closer to where language
3020 standards are first mentioned.
3022 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
3024 PR rtl-optimization/34995
3025 * reload.c (alternative_allows_const_pool_ref): Take an rtx
3026 parameter and return a bool. If the rtx parameter is nonnull,
3027 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
3028 (find_reloads): Update call accordingly. Pass the new operand
3029 if it needed no address reloads, otherwise pass null.
3031 2008-01-30 Richard Henderson <rth@redhat.com>
3034 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
3035 for unbounded arrays.
3037 2008-01-30 Silvius Rus <rus@google.com>
3039 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
3041 2008-01-30 Jan Hubicka <jh@suse.cz>
3044 * i386.c (init_cumulative_args): Use real function declaration when
3047 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
3049 PR rtl-optimization/34998
3050 * global.c (build_insn_chain): Treat non-subreg_lowpart
3051 SUBREGs of pseudos as clobbering all the words covered by the
3052 SUBREG, not just all the bytes.
3053 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
3054 original df_ref rather than an extract parameter.
3055 (global_conflicts): Update call accordingly.
3057 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
3059 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
3060 the overflow check to make it easier to read.
3061 (__fixtfdi): Change the type of the ll member in union
3062 long_double to UDItype_x.
3064 2008-01-30 Jakub Jelinek <jakub@redhat.com>
3067 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
3068 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
3069 * tree-inline.c (fold_marked_statements): Call
3070 cgraph_update_edges_for_call_stmt if folding a call statement.
3071 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
3072 debug_generic_stmt calls, reset it back afterwards.
3075 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
3077 * c-typeck.c (build_external_ref): Don't pedwarn about
3078 static vars in current function's scope.
3080 2008-01-29 Joseph Myers <joseph@codesourcery.com>
3082 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
3084 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
3087 * ipa-struct-reorg.c: Fix spelling.
3088 * params.def: Ditto.
3090 2008-01-29 Richard Guenther <rguenther@suse.de>
3093 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
3095 * tree-inline.c (remap_type): Increment remapping_type_depth
3096 around remapping types.
3097 (copy_body_r): Only add referenced variables if they are referenced
3098 from code, not types.
3100 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
3111 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
3112 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
3114 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
3117 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
3118 pointer for tiny stack.
3120 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
3122 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
3124 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
3126 * config/vx-common.h: Fix typo in comment.
3128 2008-01-28 Ian Lance Taylor <iant@google.com>
3132 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
3133 coalesce pointers if they have different DECL_NO_TBAA_P values.
3134 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
3135 between variables with different DECL_NO_TBAA_P values.
3137 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
3140 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
3141 are not legitimate small data references on SPE targets.
3143 2008-01-28 David Daney <ddaney@avtrex.com>
3145 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
3147 2008-01-28 David Daney <ddaney@avtrex.com>
3149 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
3151 2008-01-27 Joseph Myers <joseph@codesourcery.com>
3153 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
3154 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
3155 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
3156 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
3157 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
3158 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
3159 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
3160 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
3162 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
3164 * basic-block.h (condjump_equiv_p): Fix comment.
3166 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
3168 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
3169 print_generic_stmt_indented): Fix comment.
3171 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
3173 * configure.ac (__stack_chk_fail): Add detecion for availability
3174 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
3175 * configure: Regenerate.
3177 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
3180 * final.c (output_addr_const): Handle TRUNCATE.
3182 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
3185 * tree-ssa-loop-ivopts.c (comp_cost): New type.
3186 (zero_cost, infinite_cost): New constants.
3187 (struct cost_pair): Change type of cost to comp_cost.
3188 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
3189 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
3191 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
3192 split_address_cost, ptr_difference_cost, difference_cost,
3193 get_computation_cost_at, get_computation_cost,
3194 determine_use_iv_cost_generic, determine_use_iv_cost_address,
3195 determine_use_iv_cost_condition, determine_use_iv_costs,
3196 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
3197 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
3198 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
3199 Change type of cost to comp_cost.
3200 (determine_iv_cost): Increase cost of non-original ivs, instead
3201 of decreasing the cost of original ones.
3202 (get_address_cost): Indicate the complexity of the addressing mode
3204 (try_add_cand_for): Prefer using ivs not specific to some object.
3205 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
3207 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
3208 Janis Johnson <janis187@us.ibm.com>
3211 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
3212 (TARGET_INSTANTIATE_DECLS): Likewise.
3213 * target.h (expand_to_rtl_hook): New target hook.
3214 (instantiate_decls): Likewise.
3215 * function.c (instantiate_decl): Make non-static. Rename to...
3216 (instantiate_decl_rtl): ... this.
3217 (instantiate_expr): Use instantiate_decl_rtl.
3218 (instantiate_decls_1): Likewise.
3219 (instantiate_decls): Likewise.
3220 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
3221 * function.h (instantiate_decl_rtl): Add prototype.
3222 * cfgexpand.c (target.h): New include.
3223 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
3224 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
3225 (TARGET_INSTANTIATE_DECLS): Likewise.
3226 (TARGET_INITIALIZER): New target hooks added.
3227 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
3229 * config/rs6000/rs6000.c (tree-flow.h): New include.
3230 (machine_function): Add sdmode_stack_slot field.
3231 (rs6000_alloc_sdmode_stack_slot): New function.
3232 (rs6000_instantiate_decls): Likewise.
3233 (rs6000_secondary_memory_needed_rtx): Likewise.
3234 (rs6000_check_sdmode): Likewise.
3235 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
3236 (TARGET_INSTANTIATE_DECLS): Likewise.
3237 (rs6000_hard_regno_mode_ok): Allow SDmode.
3238 (num_insns_constant): Likewise. Handle _Decimal32 constants.
3239 (rs6000_emit_move): Handle SDmode.
3240 (function_arg_advance): Likewise.
3241 (function_arg): Likewise.
3242 (rs6000_gimplify_va_arg): Likewise. Add special handling of
3243 SDmode var args for 32-bit compiles.
3244 (rs6000_secondary_reload_class): Handle SDmode.
3245 (rs6000_output_function_epilogue): Likewise.
3246 (rs6000_function_value): Simplify if statement.
3247 (rs6000_libcall_value): Likewise.
3248 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
3249 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
3250 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
3251 (movsd_hardfloat): New define_insn.
3252 (movsd_softfloat): Likewise.
3253 (movsd_store): Likewise.
3254 (movsd_load): Likewise.
3255 (extendsddd2): Likewise.
3256 (extendsdtd2): Likewise.
3257 (truncddsd2): Likewise.
3258 (movdd_hardfloat64): Fixup comment.
3259 (UNSPEC_MOVSD_LOAD): New constant.
3260 (UNSPEC_MOVSD_STORE): Likewise.
3262 2008-01-26 Jakub Jelinek <jakub@redhat.com>
3265 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
3267 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
3268 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
3269 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
3272 2008-01-26 David Edelsohn <edelsohn@gnu.org>
3275 * config.gcc: Separate AIX 5.3 from AIX 6.1.
3276 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3277 __LONGDOUBLE128 too.
3278 * config/rs6000/aix61.h: New file.
3280 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
3282 PR rtl-optimization/34959
3283 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
3284 popcount and parity rtxes the same mode as their operand.
3285 Truncate or extend the result to the return value's mode
3288 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
3291 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
3292 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
3293 to GOT_VERSION_REGNUM.
3294 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
3295 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
3296 * config/mips/mips.c (mips_emit_call_insn): New function.
3297 (mips_call_tls_get_addr): Call mips_expand_call directly.
3298 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
3300 (mips16_build_call_stub): Likewise. Return the call insn or null.
3301 (mips_expand_call): Update the call to mips16_build_call_stub
3302 accordingly and a remove redundant condition. Assert that MIPS16
3303 stubs do not use lazy binding. Use mips_emit_call_insn and return
3305 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
3307 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
3308 (mips_avoid_hazard): Remove hazard_set handling.
3309 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
3310 (UNSPEC_RESTORE_GP): ...this.
3311 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
3312 (FAKE_CALL_REGNO): Rename to...
3313 (GOT_VERSION_REGNUM): ...this.
3314 (type): Add "ghost" value. Add an associated insn reservation.
3315 (hazard_set): Remove.
3316 (exception_receiver): Rename to...
3317 (restore_gp): ...this and update the unspec identifier accordingly.
3318 (exception_receiver, nonlocal_got_receiver): New expanders.
3319 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
3320 FAKE_CALL_REGNO. Remove hazard_set attribute.
3321 (set_got_version, update_got_version): New patterns.
3323 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
3326 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
3328 2008-01-25 Joseph Myers <joseph@codesourcery.com>
3331 * doc/install.texi2html: Generate gcc-vers.texi.
3333 2008-01-25 DJ Delorie <dj@redhat.com>
3335 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3337 2008-01-25 Joseph Myers <joseph@codesourcery.com>
3339 * config/c4x: Remove directory.
3340 * config.gcc (crx-*, mt-*): Mark obsolete.
3341 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
3342 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
3343 sh-*-rtemscoff*): Remove cases.
3344 * defaults.h (C4X_FLOAT_FORMAT): Remove.
3345 * real.c (encode_c4x_single, decode_c4x_single,
3346 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
3347 c4x_extended_format): Remove.
3348 * real.h (c4x_single_format, c4x_extended_format): Remove.
3349 * doc/extend.texi (interrupt, naked): Remove mention of attributes
3351 (Pragmas): Remove comment about c4x pragmas.
3352 * doc/install.texi (c4x): Remove target-specific instructions.
3353 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
3354 * doc/md.texi (Machine Constraints): Remove C4x documentation.
3355 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
3356 refer to C4x source files as examples.
3357 (C4X_FLOAT_FORMAT): Remove documentation.
3359 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
3361 * config/bfin/bfin.c (override_options): Reorder tests so that
3362 flag_pic gets enabled for -msep-data.
3364 2008-01-25 Richard Guenther <rguenther@suse.de>
3367 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
3368 to its bitfield precision if required.
3370 2008-01-25 Jakub Jelinek <jakub@redhat.com>
3373 * tree-nested.c (walk_omp_for): New function.
3374 (convert_nonlocal_reference, convert_local_reference): Call
3375 walk_omp_for on OMP_FOR.
3376 (convert_call_expr): Call walk_body on OMP_FOR's
3377 OMP_FOR_PRE_INIT_BODY.
3379 2008-01-25 Richard Guenther <rguenther@suse.de>
3381 PR tree-optimization/34966
3382 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
3383 default defs and PHI_NODEs we have to insert after the
3386 2008-01-24 Nick Clifton <nickc@redhat.com>
3388 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
3389 Provide a default definition.
3390 (LIBGCC2_UNITS_PER_WORD): Likewise.
3392 * config/stormy16/stormy16.c: Include df.h for the prototype
3393 for df_regs_ever_live_p.
3394 (xstormy16_expand_builtin_va_start): Convert the stack offset
3395 into a component_ref and then use POINTER_PLUS_EXPR to add it
3396 to the incoming_virtual_args_rtx.
3397 (xstormy16_gimplify_va_arg_expr): Rename to
3398 xstormy16_gimplify_va_arg_expr.
3399 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
3400 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
3401 xstormy16_gimplify_va_arg_expr.
3402 Fix up some formatting issues.
3404 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
3405 Move to predicates.md.
3406 (xs_hi_general_operand): Likewise.
3407 (xs_hi_nonmemory_operand): Likewise.
3408 * config/stormy16/predicates.md:
3409 (xstormy16_carry_plus_operand): New predicate.
3410 (xs_hi_general_operand): New predicate.
3411 (xs_hi_nonmemory_operand): New predicate.
3412 * config/stormy16/stormy16-protos.h:
3413 (xstormy16_carry_plus_operand): Delete prototype.
3414 (xs_hi_general_operand): Likewise.
3415 (xs_hi_nonmemory_operand): Likewise.
3417 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
3418 modifiers as they are no longer needed and they can trigger
3419 reload spill failures.
3421 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
3422 with a match_operand in order to help reload.
3424 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
3425 constraint with 'e' for the 8th alternative as this version of
3426 the mov.w instruction only accepts the lower 8 registers.
3428 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
3431 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
3432 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
3435 2008-01-25 Jakub Jelinek <jakub@redhat.com>
3438 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
3440 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
3442 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
3444 (remove_structure): Update allocations list before removing structure.
3446 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
3448 * ipa-struct-reorg.c (is_safe_cond_expr,
3449 create_new_stmts_for_cond_expr): Use integer_zerop function,
3450 that recognize not only zero-pointer, but zero-integer too.
3452 2008-01-25 Ben Elliston <bje@au.ibm.com>
3455 * fixproto: Escape "." in sed expression that strips leading "./".
3457 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
3460 * gcc.c (SWITCH_OK): Removed.
3461 (SWITCH_LIVE): Changed to bit.
3462 (SWITCH_FALSE): Likewise.
3463 (SWITCH_IGNORE): Likewise.
3464 (switchstr): Change live_cond to unsigned int.
3465 (process_command): Replace SWITCH_OK with 0.
3466 (do_self_spec): Likewise.
3467 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
3468 (give_switch): Likewise.
3469 (used_arg): Likewise.
3470 (do_spec_1): Set the SWITCH_IGNORE bit.
3471 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
3472 bits. Set the SWITCH_LIVE bit.
3474 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
3476 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
3478 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
3480 PR tree-optimization/34472
3481 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
3482 parameter to a "bool *" and set *DATA to false if there is
3483 an unsafe access. Do not delete the structure here.
3484 (check_cond_exprs): Delete it here instead.
3485 (check_cond_exprs, exclude_cold_structs): Do not increase
3486 I when removing a structure.
3488 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
3491 * config/i386/i386.c (ix86_expand_vector_init): Consider only
3492 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
3494 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
3497 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
3498 a fixed vector for stack.
3500 2008-01-24 Ben Elliston <bje@au.ibm.com>
3503 * doc/gcc.texi (Software development): Add a direntry for g++.
3505 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
3507 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
3508 stale and straggling -fforce-addr comments above.
3510 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
3512 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
3513 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
3515 2008-01-23 Michael Matz <matz@suse.de>
3518 * dwarf2out.c (force_type_die): Use modified_type_die instead of
3521 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
3523 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
3526 2008-01-23 Anatoly Sokolov <aesok@post.ru>
3528 * config/avr/avr.c (avr_current_arch): New variable.
3529 (avr_arch_types): Add 'avr31' and 'avr51' entries.
3530 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
3531 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
3532 (avr_override_options): Init 'avr_current_arch'.
3533 (base_arch_s): Move from here...
3534 * config/avr/avr.h (base_arch_s): ... here. Add new members
3535 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
3536 'mega' to 'have_jmp_call'.
3537 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
3538 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
3540 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
3542 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
3543 MULTILIB_MATCHES): (Ditto.).
3545 2008-01-23 Richard Guenther <rguenther@suse.de>
3548 * cgraphunit.c (cgraph_reset_node): Always mark the node
3549 not reachable if it is not queued already.
3551 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
3553 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
3554 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
3555 (cputype_selected): New static variable.
3556 (bfin_handle_option): Set it if -mcpu is used.
3557 (override_option): Select default set of workarounds if no cpu type
3558 selected on the command line.
3559 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
3561 From Michael Frysinger <michael.frysinger@analog.com>
3562 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
3563 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
3565 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
3566 for bf547, bf523, bf524, and bf526.
3567 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
3569 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3570 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
3571 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
3572 __ADSPBF547__ and __ADSPBF54x__ for bf547.
3573 * doc/invoke.texi (Blackfin Options): Document that
3574 -mcpu now accept bf547, bf523, bf524, and bf526.
3576 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
3578 PR rtl-optimization/34628
3579 * combine.c (try_combine): Stop and undo after the first combination
3580 if an autoincrement side-effect on the first insn has effectively
3583 2008-01-22 David Edelsohn <edelsohn@gnu.org>
3586 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
3587 Offset addresses are not valid for Altivec or paired float modes.
3589 2008-01-22 Jakub Jelinek <jakub@redhat.com>
3592 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
3593 if DECL_INITIAL (decl) is error_mark_node.
3596 * c-common.c (handle_vector_size_attribute): Only allow
3597 integral, scalar float and fixed point types. Handle OFFSET_TYPE
3598 the same way as pointer, array etc. types.
3599 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
3602 * tree.c (build_type_attribute_qual_variant): Call
3603 build_qualified_type if attributes are equal, but quals are not.
3605 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3608 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
3609 * flags.h (warn_strict_aliasing): Remove.
3610 (warn_strict_overflow): Remove.
3611 * opts.c (warn_strict_aliasing): Remove.
3612 (warn_strict_overflow): Remove.
3613 * c-opts.c (c_common_handle_option): -Wall only sets
3614 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
3615 (c_common_post_options): Give default values to -Wstrict-aliasing
3616 and -Wstrict-overflow if they are uninitialized.
3617 * common.opt (Wstrict-aliasing): Specify Var and Init.
3618 (Wstrict-overflow): Likewise.
3620 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3622 PR rtl-optimization/26854
3623 PR rtl-optimization/34400
3624 PR rtl-optimization/34884
3625 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
3627 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
3628 (df_rd_bb_info.expanded_lr_out): Deleted
3629 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
3630 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
3631 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
3632 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
3633 Removed code to allocate, initialize or free expanded_lr_out.
3634 (df_rd_bb_local_compute_process_def): Restructured to make more
3636 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
3637 sets if the sets are being trimmed.
3639 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
3642 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
3643 (as_vers): Likewise.
3644 * configure: Regenerated.
3646 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3649 * tree-pass.h (pass_build_alias): New pass.
3650 * tree-ssa-alias.c (gate_build_alias): New.
3651 (pass_build_alias): New.
3652 * passes.c (init_optimization_passes): Add pass_build_alias after
3653 pass_create_structure_vars.
3655 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
3657 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
3658 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
3659 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
3660 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
3661 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
3662 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
3663 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
3664 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
3665 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
3666 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
3667 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
3668 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
3669 * config/s390/s390.md (FP_ALL): New mode iterator.
3670 (_d): New mode attribute.
3671 ("*signbit<mode>2>"): Changed mode of first operand.
3672 ("isinf<mode>2"): Changed mode of first operand.
3673 ("*TDC_insn"): Adaptation for DFP modes.
3675 2008-01-22 Ben Elliston <bje@au.ibm.com>
3677 * tree.c (check_qualified_type): Improve function description.
3679 2008-01-21 Jason Merrill <jason@redhat.com>
3682 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
3683 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
3686 2008-01-21 DJ Delorie <dj@redhat.com>
3688 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
3691 2008-01-21 Richard Guenther <rguenther@suse.de>
3694 * tree-cfg.c (verify_expr): Allow all invariant expressions
3695 instead of just constant class ones as reference argument.
3696 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
3697 like any other constant.
3698 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
3700 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
3702 * regmove.c (fixup_match_1): Update call crossed frequencies.
3704 2008-01-21 Richard Guenther <rguenther@suse.de>
3707 * tree-inline.c (setup_one_parameter): Deal with mismatched
3708 types using a VIEW_CONVERT_EXPR.
3710 2008-01-21 Alon Dayan <alond@il.ibm.com>
3711 Olga Golovanevsky <olga@il.ibm.com>
3713 PR tree-optimization/34701
3714 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
3715 when the structure size is not a power of 2.
3717 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
3719 * doc/install.texi: Add doc for --enable-checking=df.
3721 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
3723 PR rtl-optimization/34808
3724 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
3726 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
3728 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
3731 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3733 PR rtl-optimization/26854
3734 PR rtl-optimization/34400
3735 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
3737 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
3738 (df_rd_bb_info.expanded_lr_out): New.
3739 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
3740 * loop_iv.c (iv_analysis_loop_init): Ditto.
3741 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
3742 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
3743 Added code to allocate, initialize or free expanded_lr_out.
3744 (df_rd_bb_local_compute_process_def): Restructured to make
3745 more understandable.
3746 (df_rd_confluence_n): Add code to do nothing with fake edges and
3747 code to no apply invalidate_by_call sets if the sets are being trimmed.
3748 (df_lr_local_finalize): Renamed to df_lr_finalize.
3749 (df_live_local_finalize): Renamed to df_live_finalize.
3751 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
3754 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
3755 deciding whether to use reciprocal instructions.
3757 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
3759 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
3760 dwarf2out_note_section_used if cold_text_section is NULL.
3762 2008-01-19 Jakub Jelinek <jakub@redhat.com>
3764 PR gcov-profile/34610
3765 * tree-cfg.c (make_edges): Mark both outgoing edges from
3766 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
3767 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
3768 from OMP_FOR and OMP_CONTINUE outgoing edges.
3770 * tree-profile.c (tree_profiling): Return early if
3771 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
3773 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
3774 from cfun to child_cfun.
3775 * function.h (struct function): Add after_tree_profile bit.
3777 2008-01-19 Anatoly Sokolov <aesok@post.ru>
3779 * config/avr/avr.S (_exit): Disable interrupt.
3781 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
3782 Steven Bosscher <stevenb.gcc@gmail.com>
3784 PR rtl-optimization/26854
3785 PR rtl-optimization/34400
3786 * df-problems.c (df_live_scratch): New scratch bitmap.
3787 (df_live_alloc): Allocate df_live_scratch when doing df_live.
3788 (df_live_reset): Clear the proper bitmaps.
3789 (df_live_bb_local_compute): Only process the artificial defs once
3790 since the order is not important.
3791 (df_live_init): Init the df_live sets only with the variables
3792 found live by df_lr.
3793 (df_live_transfer_function): Use the df_lr sets to prune the
3794 df_live sets as they are being computed.
3795 (df_live_free): Free df_live_scratch.
3797 2008-01-18 Ian Lance Taylor <iant@google.com>
3799 * common.opt: Add fmerge-debug-strings.
3800 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
3801 flag_merge_debug_strings rather than flag_merge_constants.
3802 * doc/invoke.texi (Option Summary): Mention
3803 -fmerge-debug-strings.
3804 (Debugging Options): Document -fmerge-debug-strings.
3806 2008-01-18 Ian Lance Taylor <iant@google.com>
3809 * tree.h (DECL_IS_OPERATOR_NEW): Define.
3810 (struct tree_function_decl): Add new field operator_new_flag.
3811 * tree-inline.c (expand_call_inline): When inlining a call to
3812 operator new, force the return value to go into a variable, and
3813 set DECL_NO_TBAA_P on that variable.
3814 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
3816 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
3819 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
3820 DWARF2_DEBUGGING_INFO.
3821 (dwarf2out_note_section_used): Ditto. Add prototype.
3822 (have_multiple_function_sections, text_section_used,
3823 cold_text_section_used, *cold_text_sections): Move declarations
3826 2008-01-17 Bob Wilson <bob.wilson@acm.org>
3828 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
3829 field and add signal_ra.
3830 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
3831 assignments to frame state pc. Move end of stack check after
3832 MD_FALLBACK_FRAME_STATE_FOR.
3833 (uw_update_context_1): Use frame state signal_regs if set, instead
3834 of checking signal_frame flag.
3835 (uw_update_context): Use frame state signal_ra if set.
3836 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
3837 * config/xtensa/linux-unwind.h: New file.
3839 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
3841 * modulo-sched.c (get_sched_window): Fix comment typo.
3843 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
3845 PR tree-optimization/34648
3846 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
3848 2008-01-17 Anatoly Sokolov <aesok@post.ru>
3850 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
3851 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
3853 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
3855 PR rtl-optimization/34400
3856 * df-core.c (df_worklist_dataflow_overeager,
3857 df_worklist_dataflow_doublequeue): New functions.
3858 (df_worklist_dataflow): Two different worklist solvers.
3859 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
3862 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
3865 * doc/invoke.texi: Document the dependence on pthread for fopenmp
3866 and ftree-parallelize-loops.
3868 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
3870 PR rtl-optimization/34826
3871 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
3873 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
3875 * global.c (find_reg): Mark the eh regs as used if necessary.
3876 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
3877 * ra.h (struct allocno): no_eh_reg field added. Changed
3878 no_stack_reg type to bitfield.
3880 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
3882 * tree.c (substitute_in_expr): Add missing 'break'.
3884 2008-01-17 Richard Guenther <rguenther@suse.de>
3886 PR tree-optimization/34825
3887 * tree-ssa-math-opts.c (is_division_by): Do not recognize
3888 x / x as division to handle.
3890 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3892 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
3893 "-pthread" is specified.
3894 * pa-hpux11.h (LIB_SPEC): Likewise.
3896 2008-01-16 Janis Johnson <janis187@us.ibm.com>
3897 Peter Bergner <bergner@vnet.ibm.com>
3899 PR rtl-optimization/33796
3900 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
3902 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3904 PR libgfortran/34699
3905 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
3907 * pa-hpux10.h (LINK_SPEC): Likewise.
3908 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
3910 2008-01-16 Richard Guenther <rguenther@suse.de>
3913 * fold-const.c (fold_convert_const_int_from_int): Do not
3914 set overflow if that occured only because of a sign extension
3915 change when converting from/to a sizetype with the same
3916 precision and signedness.
3918 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
3921 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
3922 location address to the correct place. Update copyright year.
3924 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
3926 * lambda-code.c (lambda_transform_legal_p): Handle the case of
3927 no dependences in the dependence_relations vector.
3929 2008-01-16 Jan Hubicka <jh@suse.cz>
3931 PR rtl-optimization/31396
3932 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
3933 * cfg.c (dump_reg_info): Print it.
3934 * regs.h (struct reg_info_t): add freq_calls_crossed.
3935 (REG_FREQ_CALLS_CROSSED): New macro.
3936 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
3937 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
3938 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
3939 regmove_optimize): Update call crossed frequencies.
3940 * local-alloc.c (struct qty): Add freq_calls_crossed.
3941 (alloc_qty): Copute freq_calls_crossed.
3942 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
3943 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
3944 * ra.h (struct allocno): Add freq_calls_crossed.
3946 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
3948 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
3949 libgomp when compiling with ftree-parallelize-loops.
3950 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
3952 2008-01-16 Richard Guenther <rguenther@suse.de>
3954 PR tree-optimization/34769
3955 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
3956 * tree.c (int_cst_value): Instead make this function more
3957 permissive in what it accepts as valid input. Document this
3958 function always sign-extends the value.
3960 2008-01-16 Jakub Jelinek <jakub@redhat.com>
3961 Richard Guenther <rguenther@suse.de>
3964 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
3965 (gimple_fold_indirect_ref_rhs): ... this.
3966 (gimple_fold_indirect_ref): New function with foldings
3967 that preserve lvalueness.
3968 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
3969 * tree-flow.h (gimple_fold_indirect_ref): Declare.
3970 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
3971 to fold an INDIRECT_REF, fall back to the old use of
3972 fold_indirect_ref_1.
3974 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
3976 * tree-data-ref.c (subscript_dependence_tester_1): Call
3977 free_conflict_function.
3978 (compute_self_dependence): Same.
3980 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
3983 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
3984 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
3986 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
3987 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
3988 for DWARF2_UNWIND_INFO targets.
3990 2008-01-16 Richard Guenther <rguenther@suse.de>
3993 * c-typeck.c (common_pointer_type): Do not merge inconsistent
3994 type qualifiers for function types.
3996 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
3998 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
3999 loop_iterator li from previous commit.
4001 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
4003 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
4005 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
4007 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
4008 (parallelize_loops): Don't parallelize irreducible components.
4010 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4013 * c-opts (c_common_post_options): Do not enable CPP
4014 flag_pedantic_errors by default.
4016 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
4018 PR rtl-optimization/31944
4019 * cse.c (remove_pseudo_from_table): New function.
4020 (merge_equiv_classes): Use above function to remove pseudo-registers.
4021 (invalidate): Likewise.
4023 2008-01-13 Richard Guenther <rguenther@suse.de>
4026 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
4027 instead of TYPE_MODE to deal with calls from expand_one_error_var.
4029 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
4031 * gcse.c (cprop_jump): Call validate_unshare_change instead of
4032 validate_change to unshare the source of the PC set.
4034 2008-01-12 Jan Hubicka <jh@suse.cz>
4037 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
4038 references above array bounds. This might trigger bounds checks for
4041 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
4043 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
4044 new_replaceable_dependencies.
4046 2008-01-12 Doug Kwan <dougkwan@google.com>
4048 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
4049 instead of OPT_Wreturn_type in warning due to ignored return type
4051 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
4052 options included in -Wextra.
4053 * c.opt: New option -Wignored_qualifiers.
4054 * doc/invoke.texi (Warning Options, -Wextra): Add new option
4055 -Wignore_qualifiers.
4056 (-Wignored-qualifiers): Document.
4057 (-Wreturn-type): Remove description of functionality now handled
4058 by -Wignored-qualifiers.
4060 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
4063 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
4064 NOP_EXPR if it is between integral types with the same precision.
4066 2008-01-12 Jan Hubicka <jh@suse.cz>
4069 * invoke.texi (max-inline-recursive-depth): Fix default value.
4071 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
4073 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
4076 2008-01-11 Bob Wilson <bob.wilson@acm.org>
4078 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
4080 2008-01-11 James E. Wilson <wilson@specifix.com>
4083 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
4085 2008-01-11 Anatoly Sokolov <aesok@post.ru>
4087 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
4088 save/restore frame pointer register and don't use 'call-prologues'
4089 optimization in function with "OS_task" attribute.
4091 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
4094 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
4095 when copying to memory.
4097 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
4099 PR rtl-optimization/30905
4100 * cfgcleanup.c: Include dce.h
4101 (crossjumps_occured): New global variable.
4102 (try_crossjump_bb): Exit loop after finding a fallthru edge.
4103 If something changed, set crossjumps_occured to true.
4104 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
4105 Don't add/remove fake edges to exit here...
4106 (cleanup_cfg): ...but do it here, when crossjumping.
4107 Run a fast DCE when successful crossjumps occured in the latest
4108 iteration of try_optimize_cfg.
4110 2008-01-11 Richard Guenther <rguenther@suse.de>
4112 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
4113 (struct vn_unary_op_s): Likewise.
4114 (vn_reference_insert): Free old reference on hash collision.
4116 2008-01-10 Raksit Ashok <raksit@google.com>
4118 PR rtl-optimization/27971
4119 * combine.c (find_split_point): Split PLUS expressions which are
4120 inside a MEM rtx, and whose first operand is complex.
4122 2008-01-10 DJ Delorie <dj@redhat.com>
4124 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
4125 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
4126 (m32c_hard_regno_ok): Call the underlying function.
4128 2008-01-10 Richard Guenther <rguenther@suse.de>
4131 * tree-cfg.c (tree_merge_blocks): Do not go through the
4132 full-blown folding and stmt updating path if we just deal
4133 with virtual operands.
4134 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
4135 test for abnormal SSA_NAMEs.
4137 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
4140 * reload.c (push_reload): Add assertions. All constants from
4141 reg_equiv_constant should have been used for replacing the respective
4143 (find_reloads_address): Invoke find_reloads_address_part for
4144 constant taken from the reg_equiv_constant array.
4146 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
4148 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
4149 field (valnum) the first in the struct. Replace bools with
4152 2008-01-10 Richard Guenther <rguenther@suse.de>
4154 PR tree-optimization/34651
4155 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
4156 types and ordering for masking and converting.
4158 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
4160 PR tree-optimization/34017
4161 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
4162 also for PHI_NODE expressions.
4164 2008-01-09 Jan Hubicka <jh@suse.cz>
4166 PR tree-optimization/34708
4167 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
4168 based on number of case labels.
4169 (init_inline_once): Remove switch_cost.
4170 * tree-inline.h (eni_weights_d): Remove switch_cost.
4172 2008-01-09 Richard Guenther <rguenther@suse.de>
4173 Andrew Pinski <andrew_pinski@playstation.sony.com>
4176 * gimplify.c (gimplify_cond_expr): Do not create an addressable
4177 temporary if an rvalue is ok or an lvalue is not required.
4179 2008-01-09 Richard Guenther <rguenther@suse.de>
4182 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
4185 2008-01-09 Richard Guenther <rguenther@suse.de>
4188 * tree.c (host_integerp): Check for sizetype only if the
4189 type is an integer type.
4191 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
4194 * opts.c (decode_options): Disable inlining of functions called
4195 once if not in unit-at-a-time mode.
4197 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
4199 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
4201 2008-01-08 Richard Guenther <rguenther@suse.de>
4204 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
4205 out early if the result will be unused.
4207 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
4212 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
4213 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
4216 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
4218 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
4219 for vectorization tuned.
4221 2008-01-08 Richard Guenther <rguenther@suse.de>
4223 PR tree-optimization/34683
4224 * tree-ssa-operands.c (operand_build_cmp): Export.
4225 * tree-ssa-operands.h (operand_build_cmp): Declare.
4226 * tree-vn.c (vuses_compare): Remove.
4227 (sort_vuses): Use operand_build_cmp.
4228 (sort_vuses_heap): Likewise.
4229 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
4230 to re-use old VEC if available. Do not sort already sorted VUSEs.
4231 (vdefs_to_vec): Do not sort already sorted VDEFs.
4233 2008-01-08 Jakub Jelinek <jakub@redhat.com>
4236 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
4238 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
4241 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
4242 limitations of reciprocal sequences on x86 targets.
4244 2008-01-08 Richard Guenther <rguenther@suse.de>
4246 PR tree-optimization/34683
4247 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
4249 2008-01-07 Jakub Jelinek <jakub@redhat.com>
4252 * config/darwin.c (darwin_mergeable_string_section): Don't use
4253 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
4255 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
4258 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
4259 negxf2. Macroize expander using X87MODEF mode iterator. Change
4260 predicates of op0 and op1 to register_operand.
4261 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
4262 expander using X87MODEF mode iterator. Change predicates of
4263 op0 and op1 to register_operand.
4264 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
4265 corresponding patterns and macroize using MODEF macro. Change
4266 predicates of op0 and op1 to register_operand and remove
4267 "m" constraint. Disparage "r" alternative with "!".
4268 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
4269 macroize using X87MODEF macro. Change predicates of op0 and op1
4270 to register_operand and remove "m" constraint. Disparage "r"
4271 alternative with "!".
4272 (absneg splitter with memory operands): Remove.
4273 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
4274 patterns and macroize using X87MODEF mode iterator.
4275 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
4276 Change predicate of op1 to register_operand.
4277 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
4278 for memory operands.
4280 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
4282 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
4284 2008-01-07 Richard Guenther <rguenther@suse.de>
4286 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
4289 2008-01-07 Richard Guenther <rguenther@suse.de>
4291 PR tree-optimization/34683
4292 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
4293 VOPs of the needed size to save memory. Use VEC_quick_push
4294 to save compile-time.
4295 (vdefs_to_vec): Likewise.
4297 2008-01-07 Sa Liu <saliu@de.ibm.com>
4299 * config/spu/spu.md (divdf3): Genetate inline code for double
4300 division. The implementation doesn't handle INF or NAN, therefore it
4301 only applies when -ffinite-math-only is given.
4303 2008-01-06 Paolo Carlini <pcarlini@suse.de>
4306 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
4307 * doc/cpp.texi ([Common Predefined Macros]): Document.
4309 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
4311 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
4312 order to use commutative addition instead of subtraction.
4314 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
4315 Mircea Namolaru <namolaru@il.ibm.com>
4316 Vladimir Yanovsky <yanov@il.ibm.com>
4317 Revital Eres <eres@il.ibm.com>
4319 PR tree-optimization/34263
4320 * tree-outof-ssa.c (process_single_block_loop_latch,
4321 contains_tree_r): New functions.
4322 (analyze_edges_for_bb): Call process_single_block_loop_latch
4323 function to empty single-basic-block latch block if possible.
4325 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
4327 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
4329 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
4331 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
4333 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
4335 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
4337 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
4339 2008-01-05 Jakub Jelinek <jakub@redhat.com>
4341 PR tree-optimization/34618
4342 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
4345 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
4348 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
4349 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
4350 Update copyright year.
4352 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
4353 Update copyright year.
4354 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
4357 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
4359 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
4360 edge does not point to current bb before changing need_assert.
4362 2008-01-04 Richard Guenther <rguenther@suse.de>
4365 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
4366 for verifying purposes if they are is_gimple_min_invariant.
4368 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
4370 PR tree-optimization/34448
4371 PR tree-optimization/34465
4372 * gimplify.c (gimplify_init_constructor): Add new parameter
4373 notify_temp_creation. Use it.
4374 (gimplify_modify_expr_rhs): Take volatiles into account when
4375 optimizing constructors.
4376 Do not optimize constructors if gimplify_init_constructor will dump to
4378 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
4379 * gcc.c-torture/compile/pr34448.c: New.
4381 2008-01-04 Jakub Jelinek <jakub@redhat.com>
4383 PR gcov-profile/34609
4384 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
4385 return_slot if result is TREE_ADDRESSABLE.
4387 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
4389 * config/mips/mips.md (sqrt_condition): Tweak comment.
4390 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
4392 2008-01-03 Tom Tromey <tromey@redhat.com>
4395 * c-common.c (c_type_hash): Handle VLAs.
4397 2008-01-03 Jan Hubicka <jh@suse.cz>
4399 PR tree-optimization/31081
4400 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
4401 0 when inlining and not inlining to first basic block.
4402 (remap_decl): When var is initialized to 0, don't set default_def.
4403 (expand_call_inline): Set entry_bb.
4404 * tree-inline.h (copy_body_data): Add entry_bb.
4406 2008-01-03 Jakub Jelinek <jakub@redhat.com>
4409 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
4412 PR tree-optimization/29484
4413 * tree-inline.c (inline_forbidden_p_2): New function.
4414 (inline_forbidden_p): Disallow inlining if some static var
4415 has an address of a local LABEL_DECL in its initializer.
4416 * doc/extend.texi (Labels as Values): Document &&foo behaviour
4419 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
4421 PR tree-optimization/34635
4422 * tree-data-ref.c (add_other_self_distances): Make sure that the
4423 evolution step is constant.
4425 2008-01-03 Jakub Jelinek <jakub@redhat.com>
4428 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
4430 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
4432 * tree-sra.c (scalarize_init): Insert the generate_element_init
4433 statements after the generate_element_zero statements.
4435 2008-01-02 Richard Guenther <rguenther@suse.de>
4439 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
4440 for very large number of operands instead of ICEing.
4442 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
4445 * config/i386/i386.c (ix86_expand_prologue): Save red-zone
4446 while stack probing.
4448 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
4450 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
4453 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
4456 * tree-mudflap.c (mx_register_decls): Guard warning by
4457 !DECL_ARTIFICIAL check.
4459 2008-01-01 Jakub Jelinek <jakub@redhat.com>
4461 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
4462 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
4463 sse5_perm<mode>): Fix constraints.
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